JP4791925B2 - Ride type rice transplanter - Google Patents

Description

  In the riding type rice transplanter, the present invention provides a plurality of supply devices for supplying an object to be supplied (powdered or liquid (paste) fertilizer, chemicals, seeds, etc.) near each of the planting strips. When provided separately, it relates to the operation structure of the seedling planting device and the supply device.

  In the riding type rice transplanter, for example, as disclosed in Patent Document 1, a plurality of planting arms (11 in FIGS. 1 and 2 in Patent Document 1) for planting seedlings on the rice field are provided according to the planting strip. In addition to the seedling planting device, a plurality of fertilizers (16 in FIG. 1 of Patent Document 1) for supplying powdery fertilizer (corresponding to the supply target) in the vicinity of each planting strip (corresponding to the feeding device) In some cases, the fertilizer is supplied to the vicinity of the seedling (planting strip) by the fertilizer application device when the seedling is planted by the seedling planting device.

In Patent Document 1, a seedling planting device (planting arm) is provided with a planting clutch (corresponding to the first clutch) (33 in FIGS. 4 and 6 in Patent Document 1) capable of transmitting and receiving power, and fertilizing. The device is provided with a fertilizing clutch (corresponding to the second clutch) (56 in Patent Document 1 and FIG. 7) that can transmit and shut the power freely, and an operation lever (manually operated on the clutch operating tool). (Equivalent) (61 in FIG. 9 of Patent Document 1) and the planting and fertilizing clutch are mechanically linked by linkage rods (FIG. 9 in Patent Document 1 and 69, 70, 74 in FIG. 11).
Thereby, by operating the operation lever, both the planting and the fertilization clutch can be operated in the transmission state, and both the planting and the fertilization clutch can be operated in the disconnected state.

JP 2004-329018 A

In patent document 1, both the planting and the fertilization clutch are operated in the transmission state (operation state of both the seedling planting device (planting arm) and the fertilizer), and both the planting and the fertilization clutch are Only two states can be obtained: the state operated in the shut-off state (stopped state of both the seedling planting device (planting arm) and the fertilizer application device). Thus, there is room for improvement in terms of handling various working conditions in the paddy field (for example, dealing with a paddy field with a twisted and deformed rice cake).
In the riding type rice transplanter, the present invention provides a seedling planting device (planting arm) and a plurality of feeding devices for supplying a supply object to the vicinity of each planting strip separately from the seedling planting device. An object of the present invention is to make it possible to appropriately operate and stop the supply device.

[I]
(Constitution)
The first feature of the present invention resides in the following configuration in a riding type rice transplanter.
A plurality of planting arms for planting seedlings on the rice field is provided according to the planting strip, and a plurality of supply devices are provided for supplying a supply object in the vicinity of each planting strip.
A plurality of small number of clutches are provided for each small number of planting arms, and a plurality of small number of clutches can be operated in transmission and disconnection states. comprising a first electric actuator. Few feeder plurality comprises a closable feed clutch transmission and cut off the power to each few supply apparatus, the second electric actuator freely operate multiple feed clutch transmission and cut-off state of the plurality of supply devices equipped with a. A clutch operation tool that is artificially operated, and a control unit that operates the first and second electric actuators based on the operation of the clutch operation tool.
An interlocking mode in which the first and second electric actuators are operated so that the minority number and the supply clutch are operated in the same state of transmission and disconnection based on the operation of the clutch operation tool, and all supply clutches are in the disconnection state. and a non-interlock mode to create dynamic operating the first electric dynamic actuator based on the operation of the clutch operation member in a state that and all supply clutch actuated operating the second electric actuator is operated to cut-off state to be operated And set in the control means.
A mode setting switch capable of artificially setting the interlocking mode and the non-interlocking mode is provided.
(Constitution)
The second feature of the present invention resides in the following configuration in the riding type rice transplanter.
A plurality of planting arms for planting seedlings on the rice field is provided according to the planting strip, and a plurality of supply devices are provided for supplying a supply object in the vicinity of each planting strip.
A plurality of small number of clutches are provided for each small number of planting arms, and a plurality of small number of clutches can be operated in transmission and disconnection states. A first electric actuator is provided. A plurality of supply clutches capable of transmitting and disconnecting power to a small number of supply devices among a plurality of supply devices are provided for each of the small number of supply devices, and a second electric actuator capable of operating the plurality of supply clutches in a transmission and disconnection state is provided. Prepare. A clutch operation tool that is artificially operated, and a control unit that operates the first and second electric actuators based on the operation of the clutch operation tool.
An interlocking mode in which the first and second electric actuators are operated and operated so that the minority number and the supply clutch are operated in the same state of transmission and disconnection based on the operation of the clutch operating tool, and all the minority clutches are in the disconnected state. A non-interlocking mode in which the first electric actuator is operated so that the second electric actuator is operated and the second electric actuator is operated based on the operation of the clutch operating tool in a state where all the minority clutches are operated in the disengaged state. And set in the control means.
A mode setting switch capable of artificially setting the interlocking mode and the non-interlocking mode is provided.
(Constitution)
The third feature of the present invention resides in the following configuration in the riding type rice transplanter.
A plurality of planting arms for planting seedlings on the rice field is provided according to the planting strip, and a plurality of supply devices are provided for supplying a supply object in the vicinity of each planting strip.
A plurality of small number of clutches are provided for each small number of planting arms, and a plurality of small number of clutches can be operated in transmission and disconnection states. A first electric actuator is provided. A plurality of supply clutches capable of transmitting and disconnecting power to a small number of supply devices among a plurality of supply devices are provided for each of the small number of supply devices, and a second electric actuator capable of operating the plurality of supply clutches in a transmission and disconnection state is provided. Prepare. A clutch operation tool that is artificially operated, and a control unit that operates the first and second electric actuators based on the operation of the clutch operation tool.
An interlocking mode in which the first and second electric actuators are operated so that the minority number and the supply clutch are operated in the same state of transmission and disconnection based on the operation of the clutch operation tool, and all supply clutches are in the disconnection state. A first non-interlocking mode in which the second electric actuator is operated to be operated, and the first electric actuator is operated based on the operation of the clutch operating tool in a state where all the supply clutches are operated in the disengaged state; The first electric actuator is operated so that all the minority clutches are operated in the disengaged state, and the second electric actuator is operated based on the operation of the clutch operating tool in a state where all the minority clutches are operated in the disengaged state. The second non-interlocking mode for operating is set in the control means.
A mode setting switch capable of artificially setting the interlock mode and the first and second non-interlock modes is provided.

(Function)
According to the first , second , and third features of the present invention, when the control means is set to the interlocking mode, both the minority strip and the supply clutch are transmitted by the first and second electric actuators based on the operation of the clutch operating tool. In response to the operation of the clutch operating tool, both the small number of strips and the supply clutch are operated to be cut off by the first and second electric actuators. The attached arm and the supply device are stopped. This state can be said to be a state corresponding to a working state in a normal paddy field, for example.

According to the first , second , and third features of the present invention, when the control means is set to the non-interlocking mode (first and second non-interlocking modes), all the supply clutches are operated in the disconnected state (the supply device is stopped). In this state, the minority clutch can be operated to the transmission and disengagement state (planting arm operation and stop state), and all the minority clutches are operated to the disengagement state (planting arm stop state). In this state, the supply clutch can be operated in a transmission and disconnection state (supply device is activated and stopped). This state can be said to be a state corresponding to, for example, a working state in a paddy field with a twisted ridge.

In this case, based on the operation of the clutch operating tool, the first and second electric actuators operate the minority and supply clutches in the transmission and disconnection states, so that the clutch operating tool and the minority supply and supply clutch are connected to a linkage rod or the like. Therefore, the clutch operating tool can be operated more easily than the mechanically linked structure.

(The invention's effect)
According to the first , second , and third features of the present invention, when a plurality of supply devices for supplying a supply object to the vicinity of each planting strip are provided separately from the seedling planting device (planting arm), According to the working state, the planting arm and the feeding device can be appropriately operated to be activated and stopped, and the workability of the riding type rice transplanter has been improved.
The first of the present invention, on the basis of the operation of the clutches operating tool according to 2, wherein, since fewer conditions and feed clutch is operated to transmission and cut-off state by the first and second electric actuator, a clutch operation member Operation has become easier, and the operability of the riding rice transplanter has been improved.

[II]
(Constitution)
The fourth feature of the present invention is that the riding rice transplanter of any one of the first to third features of the present invention is configured as follows.
The first electric actuator is configured to operate the small number of clutches from the right or left planting line one by one to the transmission and disconnection state, and the second electric actuator is configured to move the supply clutch from the right or left planting line. It is configured to be operated in transmission and shut-off states one by one. In the interlocking mode, the first and second electric actuators are configured to be operated so that the small number of strips corresponding to the planting strip and the supply clutch are operated in the same state of transmission and disconnection.

(Function)
According to the fourth feature of the present invention, the “operation” described in the preceding item [I ] is provided in the same manner as the first to third features of the present invention, and in addition to this, the following “operation” is provided. .
As described in the preceding paragraph [I], when having a plurality of small row clutch and a plurality of feed clutches, for example, in Article 8 planting type, with a few conditions and supply the clutch of the third and fourth article is stopped, Do not say that the minority of the first, second, fifth to eighth and the supply clutch are operated. Also, for example, the first and second minority clutches are stopped, the third to eighth minority clutches are operated, the first to fourth supply clutches are stopped, and the fifth to eighth There is no such thing as actuating the supply clutch.

According to the fourth aspect of the present invention, when the control means is set to the interlocking mode, the first and second electric actuators cause the small number of strips and the supply clutch from the right or left planting strip based on the operation of the clutch operating tool. One by one, it is operated to the same state of transmission and shut-off state. Thus, for example, in the 8-row type, all the minority strips and the supply clutch are operated in the transmission state, the first minority strip and the supply clutch are operated in the disconnected state, and then the second minority The strip and the supply clutch are operated in the disengaged state, and then the third minority strip and the supply clutch are operated in the disengaged state.
Similarly, with all the minority strips and the supply clutch operated in the disengaged state, operate the minority strip of item 8 and the supply clutch to the transmission state, and then to the transmission state of the minority strip of item 7 and the supply clutch Next, the sixth item of the minority item and the supply clutch are operated to the transmission state.

(The invention's effect)
According to the fourth feature of the present invention, the “effect of the invention” described in the preceding item [I ] is provided in the same manner as the first to third features of the present invention . In addition, the following “effect of the invention” is provided. It has.
According to the fourth aspect of the present invention, when the control means is set to the interlocking mode, the first and second electric actuators cause the small number of strips and the supply clutch to be transmitted and disconnected from the right or left planting strip one by one. By being configured to be operated in the same state, it was possible to appropriately cope with the working state, and the workability of the riding type rice transplanter could be improved.

[1]
As shown in FIGS. 1 and 2, an engine 3 and a transmission case 4 are provided at the front of the aircraft supported by the front wheels 1 and the rear wheels 2, and a four-link type link mechanism 6 is hydraulically installed at the rear of the aircraft. It is connected by a cylinder 14 so as to be movable up and down, and a seedling planting device 7 is supported by the link mechanism 6 to constitute a riding type rice transplanter.

  As shown in FIGS. 1 and 2, the seedling planting device 7 is configured in an eight-row planting type, and includes one feed case 15 (see FIG. 3), four transmission cases 8, and a right side of the transmission case 8. And a rotating case 9 (corresponding to the planting strip) supported on the left side so as to be freely rotatable, a pair of planting arms 10 (corresponding to the planting strip) provided at both ends of the rotating case 9, a grounding float 11, a seedling A vertical feed mechanism 13 that feeds the seedlings placed on the base 12 and the seedling stage 12 to the lower part of the seedling stage 12 is provided.

  As shown in FIGS. 1 and 3, a feed case 15 is connected to the lower part of the rear portion of the link mechanism 6 so as to be able to roll around the front and rear axis, and the power of the engine 3 is housed in the transmission case 4. 26 (see FIG. 5) and the PTO shaft 18 to the feed case 15. A lateral support frame 16 is connected to the feed case 15, and four transmission cases 8 are connected to the support frame 16 in a cantilevered manner so as to transmit the feed case 15 and the four transmission cases 8. A shaft 17 is connected.

  As a result, as shown in FIG. 3, the power of the engine 3 is transmitted to the planting clutch 26, the PTO shaft 18, the feed case 15, the transmission shaft 17, the transmission case 8, and the transmission chain 8 (not shown). The rotation case 9 is driven to rotate, and seedlings are alternately taken out from the lower part of the seedling base 12 by the planting arm 10 and planted on the rice field (planting strip). As described in [12], which will be described later, the planting clutch 28 is operated to a transmission and disconnection state by an electric motor 29 (see FIG. 5).

[2]
Then, first, second, third, and fourth minority row clutch 19a, 19b, attached to 19c, 19 d will be described.
As shown in FIG. 3, first to fourth minority clutches 19 a to 19 d are provided in order from the right transmission case 8 on the support portion of the rotating case 9 in the transmission case 8. The first to fourth minority clutches 19a to 19d operate and stop the two rotating cases 9 by transmitting and interrupting power to the two rotating cases 9 in one transmission case 8, (Not shown) is urged to the transmission state.

  As a result, as shown in FIG. 3, for example, when the first small number of clutches 19a are operated in the disengaged state, the two rotating cases 9 of the rightmost transmission case 8 are stopped. When the first to fourth minority clutches 19a to 19d are operated in the disengaged state, the rotating case 9 is in a state where both of the pair of planting arms 10 are located above the pad surface (for example, the rotating case 9 is parallel to the pad surface). Is configured to stop. As described above, the first minority clutch 19a corresponds to the first and second planting strips, the second minority clutch 19b corresponds to the second and third planting strips, and the third minority clutch 19c serves as the first. Corresponding to the 5th and 6th planting strips, the fourth minority clutch 19d corresponds to the 7th and 8th planting strips.

[3]
Next, the seedling bed 12, the vertical feed mechanism 13, and the first, second, third, and fourth vertical feed clutches 24a, 24b, 24c, and 24d will be described.
As shown in FIGS. 2 and 3, the support rail 23 is supported across the transmission case 8, and the lower portion of the seedling support 12 is supported so as to be movable in the left-right direction along the support rail 23. As shown in FIG. 1, right and left support frames 25 extend upward from the right and left sides of the support frame 16, and a horizontal frame (not shown) extends over the upper portions of the right and left support frames 25. The upper part of the seedling bed 12 is supported so as to be movable in the left-right direction along the horizontal frame.

  As shown in FIG. 3, the spiral shaft 20 extends from the feed case 15, the spiral shaft 20 is rotatably supported, and a feed member 22 is externally fitted to the spiral shaft 20. The member 22 is connected via the bracket 21. Thereby, the spiral shaft 20 is rotationally driven by the power of the feed case 15, and the feed member 22 is reciprocated laterally and laterally driven along the spiral shaft 20, whereby the seedling bed 12 is moved horizontally along the support rail 23. Are driven back and forth.

  As shown in FIGS. 2 and 3, a pair of endless rotating belt type vertical feed mechanisms 13 are provided on each of the seedling setting surfaces of the seedling setting table 12, and two adjacent seedlings of the seedling setting table 12 are provided. The vertical feed mechanism 13 on the mounting surface is configured to operate integrally, and four sets of four vertical feed mechanisms 13 that operate integrally are provided. When the seedling platform 12 reaches the movement limit of the right and left reciprocating lateral feed driving, the vertical feed mechanism 13 is driven by a predetermined amount, and the seedling placed on the seedling platform 12 is placed below the seedling platform 12. Sent.

  As shown in FIG. 3, first to fourth vertical feed clutches 24 a to 24 d are provided in order from the right for the four sets of vertical feed mechanisms 13. The first to fourth vertical feed clutches 24a to 24d transmit and shut off power to the vertical feed mechanisms 13 on the two seedling setting surfaces adjacent to the seedling setting table 12, thereby allowing two seedlings adjacent to the seedling setting table 12 to be adjacent to each other. The vertical feeding mechanism 13 on the mounting surface is operated and stopped, and is urged to a transmission state by a spring (not shown).

  Thus, for example, when the first vertical feed clutch 24a is operated in the disconnected state, the vertical feed mechanisms 13 on the two rightmost seedling setting surfaces of the seedling setting base 12 are stopped, and the first vertical feed clutch 24a is in the first state. And the second vertical feed clutch 24b corresponds to the second and third planting strips, the third vertical feed clutch 24c corresponds to the fifth and sixth planting strips, The longitudinal feed clutch 24d corresponds to the seventh and eighth planting strips.

[4]
Next, the operation structure of the first to fourth minority clutches 19a to 19d and the first to fourth longitudinal feed clutches 24a to 24d will be described.
As shown in FIGS. 1 and 3, a bracket 42 is connected to the front side portion of the seedling platform 12, and a first electric motor 43 (corresponding to a first electric actuator) and a gear case 44 are connected to the bracket 42, and an operation shaft 48 is rotatably supported. A transmission gear 48 a fixed to the operation shaft 48 is engaged with a pinion gear (not shown) of the gear case 44, and the operation shaft 48 is rotationally driven by the first electric motor 43. A potentiometer 49 is connected to the operation shaft 48, and the detected value of the potentiometer 49 is input to the control device 28 (see FIG. 5). When the operation shaft 48 is driven to rotate, the potentiometer 49 The phase is detected.

  As shown in FIG. 3, the first, second, third, and fourth cam members 51, 52, 53, and 54 are connected to the operation shaft 48 by shifting the phase by a predetermined angle, and are connected to the bracket 42 by arm-shaped first and second cams. , 3 and 4 are supported so as to be swingable up and down, and each of the first to fourth operation portions 56a to 56d is in contact with the first to fourth cam members 51 to 54. Yes. A wire 59 is connected to each of the first to fourth operation portions 56a to 56d, two wires 61 are extended from the branch portion 60 below the wire 59 (a total of eight wires 61), and the wire 61 is the first one. It is connected to each of the first to fourth minority clutches 19a to 19d and the first to fourth longitudinal feed clutches 24a to 24d.

  With the above structure, as described in [7] to [11] described later, the first electric motor 43 is operated by the control device 28 based on the operation of the first to fourth stop switches 41a to 41d. By rotating the operation shaft 48 and the first to fourth cam members 51 to 54 by the one electric motor 43, the first to fourth operation members 56a to 56d are swung by the first to fourth cam members 51 to 54, The first to fourth minority clutches 19a to 19d and the first to fourth longitudinal feed clutches 24a to 24d are operated to the transmission and disconnected states via the first to fourth operation portions 56a to 56d and the wires 59 and 61.

[5]
Next, a hopper 32 storing powdered fertilizer, a plurality of feeding sections 31 (corresponding to a supply device) capable of supplying the fertilizer of the hopper 32 to the planting strip corresponding to the first to fourth minority clutches 19a to 19d, first, second, third and fourth supply clutch 38a power delivery part 31 freely transmission and blocking, 38b, is described with the 38c, 38 d.

  As shown in FIGS. 1, 2, and 4, a support frame (not shown) is disposed along the left-right direction on the rear side of the driver seat 5, and four feeding portions 31 corresponding to two planting strips are supported. A hopper 32 that is made of a transparent resin and stores fertilizer is connected to the four feeding parts 31. Eight groovers 35 that form grooves on the side of the seedling (planting strip) planted by the planting arm 10 are prepared for each planting strip and attached to the grounding float 11. Two groovers 35 and one feeding part 31 are connected via a hose 36. A blower 40 is provided below the driver seat 5, and horizontal pipes (not shown) are extended from the blower 40 to the right and left along the lower side of the feeding part 31. A blower opening (not shown) opposite to the connected portion is inserted into the horizontal pipe.

  As shown in FIG. 4, each of the feeding portions 31 is provided with a feeding roll 31 a, and a single drive shaft 37 that transmits power to the feeding roll 31 a of the feeding portion 31 is rotatably supported over the feeding portion 31. ing. First to fourth supply clutches 38a to 38d that transmit and shut off the power of the drive shaft 37 to the supply roll 31a of the supply unit 31 are provided in each of the supply units 31, and the first to fourth supply clutches 38a to 38d are provided. Is biased to the transmission state by the spring 38e.

  As shown in FIGS. 1 and 4, the power of the engine 3 is transmitted to a transmission shaft (not shown) from a fertilizer clutch 27 (see FIG. 5) built in the transmission case 4, and the transmission shaft is transmitted from the transmission case 4 to the fuselage. Is extended below the central portion of the drive shaft 37, and a crank arm (not shown) is connected to the end of the transmission shaft. A one-way clutch 33 is fitted around the center of the drive shaft 37, and a linkage rod 39 is connected across the crank arm and the one-way clutch 33. As described in [6], which will be described later, the fertilization clutch 27 is operated to the transmission and disconnection state by the electric motor 30 (see FIG. 5).

  As a result, as shown in FIG. 4, the power of the engine 3 is transmitted from the fertilizer clutch 27 to the transmission shaft, and the reciprocating motion of the linkage rod 39 due to the rotational motion of the transmission shaft and the crank arm is turned into the rotational motion by the one-way clutch 33. As a result, the drive shaft 37 is intermittently driven to rotate. The feeding roll 31a of the feeding unit 31 is intermittently rotated via the first to fourth supply clutches 38a to 38d, and the fertilizer in the hopper 32 is fed from the feeding unit 31 by a predetermined amount. The high-pressure wind from the blower 40 is supplied to the hose 36 through the horizontal pipe, and the fertilizer is supplied to the grooving device 35 through the hose 36 by the high-pressure air, and is formed on the rice field by the grooving device 35. Fertilizer is supplied to the ditch.

  For example, as shown in FIG. 4, when the first supply clutch 38 a is operated to the disengaged state, the feeding portion 31 corresponding to the two rotation cases 9 of the rightmost transmission case 8 stops, and the rightmost transmission case 8 Fertilizer is not supplied to the two groovers 35 corresponding to the two rotating cases 9. Accordingly, the first supply clutch 38a corresponds to the first and second planting strips, the second supply clutch 38b corresponds to the second and third planting strips, and the third supply clutch 38c corresponds to the fifth and sixth planting strips. Corresponding to the planting strip, the fourth supply clutch 38d corresponds to the seventh and eighth planting strips.

[6]
Next, the operation structure of the first to fourth supply clutches 38a to 38d will be described.
As shown in FIG. 4, the operation shaft 63 is rotatably supported over the feeding portion 31 in parallel with the drive shaft 37, and the operation shaft 63 is opposed to the first to fourth supply clutches 38 a to 38 d. The first, second, third, and fourth cam members 64a, 64b, 64c, and 64d are connected with their phases shifted by a predetermined angle. A second electric motor 65 (corresponding to a second electric actuator) that rotationally drives the operation shaft 63 is provided at one end of the operation shaft 63, and a potentiometer 66 that detects the phase of the operation shaft 63 is provided at the other end of the operation shaft 63. The detection value of the potentiometer 66 is input to the control device 28 (see FIG. 5).

  With the above structure, as described in [7] to [11] to be described later, the second electric motor 65 is operated by the control device 28 based on the operation of the first to fourth stop switches 41a to 41d. 2 The operation shaft 63 and the first to fourth cam members 64a to 64d are rotationally driven by the electric motor 65, whereby the first to fourth cam members 64a to 64d cause the first to fourth supply clutches 38a to 38d to be transmitted and disconnected. Operated.

[7]
Next, a description will be given of the state in which the interlock mode is set for the operations of the first to fourth minority clutches 19a to 19d, the first to fourth longitudinal feed clutches 24a to 24d, and the first to fourth supply clutches 38a to 38d.
As shown in FIGS. 1 and 5, first, second, third and fourth stop switches 41a, 41b, 41c and 41d (corresponding to a clutch operating tool) are provided on the lower rear side of the steering handle 34 for steering the front wheel 1. Are arranged on the left in order from the right. The first to fourth stop switches 41a to 41d are configured as push-on / push-off push buttons, and the first to fourth stop switches 41a to 41d are provided with lamps (not shown). The operation positions of the 4 stop switches 41 a to 41 d are input to the control device 28.

  As shown in FIG. 5, a mode setting switch 45 is provided in the vicinity of the steering handle 34, and the operation position of the mode setting switch 45 is input to the control device 28. It is configured to be operable at the position and the all-row planting stop position. When the mode setting switch 45 is operated to the interlock position, the control device 28 is set to the interlock mode, and it is displayed on the instrument panel 46 that the interlock mode has been set.

  When the first to fourth stop switches 41a to 41d are operated to the transmission position in the interlock mode, the lamps of the first to fourth stop switches 41a to 41d are turned off, and the first to fourth minority clutches 19a to 19d and the first The first to fourth longitudinal feed clutches 24a to 24d and the first to fourth supply clutches 38a to 38d are operated in the transmission state (all-line operation state).

  In the interlock mode and the full-line operation state, the first stop switch 41a is pushed and operated to the cutoff position, the second stop switch 41b is pushed and operated to the cutoff position, and the third stop switch 41c is pushed and operated. When the fourth stop switch 41d is pushed and operated to the cutoff position, the operating shaft 48 and the first to fourth cam members 51 to 54 are rotated by a predetermined angle by the first electric motor 43. The wires 59 and 61 are pulled in order, and the second electric motor 65 rotates the operation shaft 63 and the first to fourth cam members 64a to 64d by a predetermined angle, and the first to fourth minority clutches 19a to 19d. The first to fourth vertical feed clutches 24a to 24d and the first to fourth supply clutches 38a to 38d are operated as follows.

First stop switch 41a (interruption position) (lamp on first stop switch 41a is lit)
With the first minority clutch 19a, the first longitudinal feed clutch 24a, and the first supply clutch 38a being disconnected, the second, third and fourth minority clutches 19b, 19c, 19d and the second, third, fourth longitudinal feed clutch 24b, 24c, 24d and the second, third, and fourth supply clutches 38b, 38c, and 38d are in a transmission state.

First and second stop switches 41a and 41b (interruption position) (lamp lights of first and second stop switches 41a and 41b)
The first and second minority clutches 19a and 19b, the first and second longitudinal feed clutches 24a and 24b, and the first and second supply clutches 38a and 38b are disconnected, and the third and fourth minority clutches 19c, 19d and The four longitudinal feed clutches 24c and 24d and the third and fourth supply clutches 38c and 38d are in a transmission state.

First, second, and third stop switches 41a, 41b, and 41c (cut-off position) (lamps of first, second, and third stop switches 41a, 41b, and 41c are turned on)
The first, second and third minority clutches 19a, 19b and 19c, the first and second and third longitudinal feed clutches 24a, 24b and 24c, and the first, second and third supply clutches 38a, 38b and 38c The small number of clutches 19d, the fourth longitudinal feed clutch 24d, and the fourth supply clutch 38d are in a transmission state.

First to fourth stop switches 41a to 41d (blocking position) (lamps of the first to fourth stop switches 41a to 41d are turned on)
The first to fourth minority clutches 19a to 19d, the first to fourth longitudinal feed clutches 24a to 24d, and the first to fourth supply clutches 38a to 38d are in a disconnected state (all-strip stopped state).

[8]
As described in [7] above, in the interlock mode and in the state where the first to fourth stop switches 41a to 41d are pushed and operated to the shut-off position (all-line stop state), the fourth stop switch 41d is pushed and operated. To the transmission position, push the third stop switch 41c to operate to the transmission position, push the second stop switch 41b to operate to the transmission position, and push the first stop switch 41a to transmit. When operated to the position, the first electric motor 43 rotates the operation shaft 48 and the first to fourth cam members 51 to 54 by a predetermined angle in the reverse direction, so that the wires 59 and 61 are operated in order to return to the second electric motor. The operation shaft 63 and the first to fourth cam members 64a to 64d are rotationally driven in the opposite directions by a predetermined angle by the motor 65, so that the first to fourth minority clutches 19a to 19d and the first to fourth longitudinal feed clutch 2 are driven. A～24d, first to fourth supply clutch 38a~38d is operated as follows.

4th stop switch 41d (power transmission position) (the 4th stop switch 41d lamp is extinguished)
The first, second and third minority clutches 19a, 19b and 19c, the first and second and third longitudinal feed clutches 24a, 24b and 24c, and the first, second and third supply clutches 38a, 38b and 38c The small number of clutches 19d, the fourth longitudinal feed clutch 24d, and the fourth supply clutch 38d are in a transmission state.

Fourth and third stop switches 41d and 41c (transmission position) (lamps of the fourth and third stop switches 41d and 41c are turned off)
The first and second minority clutches 19a and 19b, the first and second longitudinal feed clutches 24a and 24b, and the first and second supply clutches 38a and 38b are disengaged, and the fourth and third minority clutches 19d, 19c and fourth, The three longitudinal feed clutches 24d and 24c and the fourth and third supply clutches 38d and 38c are in a transmission state.

Fourth, third and second stop switches 41d, 41c and 41b (transmission position) (the fourth, third and second stop switches 41d, 41c and 41b are turned off)
When the first minority number clutch 19a, the first longitudinal feed clutch 24a, and the first supply clutch 38a are disengaged, the fourth, third and second minority number clutches 19d, 19c, 19b and the fourth, third, second longitudinal feed clutch 24d, 24c, 24b, the fourth, third, and second supply clutches 38d, 38c, and 38b are in a transmission state.

First to fourth stop switches 41a to 41d (transmission position) (the lamps of the first to fourth stop switches 41a to 41d are turned off)
The first to fourth minority clutches 19a to 19d, the first to fourth longitudinal feed clutches 24a to 24d, and the first to fourth supply clutches 38a to 38d are in a transmission state (all-row operation state).

[9]
As described in [7] above, the fourth stop switch 41d is pushed and operated in the interlock mode and the state where the first to fourth stop switches 41a to 41d are pushed and operated to the transmission position (all-line operation state). To the shut-off position, push and operate the third stop switch 41c to the shut-off position, push and operate the second stop switch 41b to the shut-off position, and push and operate the first stop switch 41a to shut off When operated to the position, the first electric motor 43 rotates the operation shaft 48 and the first to fourth cam members 51 to 54 by a predetermined angle in the reverse direction, so that the wires 59 and 61 are sequentially pulled, and the second electric motor is operated. The operation shaft 63 and the first to fourth cam members 64a to 64d are rotationally driven in the opposite directions by a predetermined angle by the motor 65, so that the first to fourth minority clutches 19a to 19d and the first to fourth longitudinal feed clutch 2 are driven. A～24d, first to fourth supply clutch 38a~38d is operated as follows.

4th stop switch 41d (interruption position) (4th stop switch 41d lamp lighting)
The first, second and third minority clutches 19a, 19b and 19c, the first and second and third longitudinal feed clutches 24a, 24b and 24c, and the first, second and third supply clutches 38a, 38b and 38c The small number of clutches 19d, the fourth longitudinal feed clutch 24d, and the fourth supply clutch 38d are disconnected.

Fourth and third stop switches 41d and 41c (interrupt position) (lamps on fourth and third stop switches 41d and 41c are lit)
The first and second minority clutches 19a and 19b, the first and second longitudinal feed clutches 24a and 24b, and the first and second supply clutches 38a and 38b are in the transmission state, and the fourth and third minority clutches 19d, 19c and the fourth, The three longitudinal feed clutches 24d and 24c and the fourth and third supply clutches 38d and 38c are in the disconnected state.

4th, 3rd and 2nd stop switches 41d, 41c, 41b (interrupt position) (4th, 3rd, 2nd stop switches 41d, 41c, 41b are lit)
When the first minority number clutch 19a, the first longitudinal feed clutch 24a, and the first supply clutch 38a are in the transmission state, the fourth, third and second minority number clutches 19d, 19c, 19b and the fourth, third, second longitudinal feed clutch 24d, 24c, 24b, the fourth, third, and second supply clutches 38d, 38c, and 38b are in a disconnected state.

First to fourth stop switches 41a to 41d (blocking position) (lamps of the first to fourth stop switches 41a to 41d are turned on)
The first to fourth minority clutches 19a to 19d, the first to fourth longitudinal feed clutches 24a to 24d, and the first to fourth supply clutches 38a to 38d are in a disconnected state (all-strip stopped state).

[10]
As described in [9] above, in the interlock mode and in the state where the first to fourth stop switches 41a to 41d are pushed and operated to the shut-off position (all-line stop state), the first stop switch 41a is pushed and operated. To the transmission position, push the second stop switch 41b to operate to the transmission position, push the third stop switch 41c to operate to the transmission position, and push the fourth stop switch 41d to operate. When operated to the position, the operation shaft 48 and the first to fourth cam members 51 to 54 are rotated by a predetermined angle by the first electric motor 43, and the wires 59 and 61 are returned in order, and the second electric motor 65 The operation shaft 63 and the first to fourth cam members 64a to 64d are rotationally driven by a predetermined angle, and the first to fourth minority clutches 19a to 19d, the first to fourth longitudinal feed clutches 24a to 24d, To 4 feed clutch 38a~38d is operated as follows.

1st stop switch 41a (power transmission position) (The lamp of 1st stop switch 41a is extinguished)
When the first minority clutch 19a, the first longitudinal feed clutch 24a, and the first supply clutch 38a are in the transmission state, the second, third and fourth minority clutches 19b, 19c, 19d and the second, third, fourth longitudinal feed clutch 24b, 24c, 24d and the second, third, and fourth supply clutches 38b, 38c, and 38d are in the disconnected state.

First and second stop switches 41a and 41b (transmission position) (the lamps of the first and second stop switches 41a and 41b are turned off)
The first and second minority clutches 19a and 19b, the first and second longitudinal feed clutches 24a and 24b, and the first and second supply clutches 38a and 38b are in a transmission state, and the third and fourth minority clutches 19c, 19d and third, The four longitudinal feed clutches 24c and 24d and the third and fourth supply clutches 38c and 38d are in the disconnected state.

First, second and third stop switches 41a, 41b and 41c (transmission position) (the lamps of first, second and third stop switches 41a, 41b and 41c are turned off)
The first, second and third minority clutches 19a, 19b and 19c, the first and second and third longitudinal feed clutches 24a, 24b and 24c, and the first, second and third supply clutches 38a, 38b and 38c The small number of clutches 19d, the fourth longitudinal feed clutch 24d, and the fourth supply clutch 38d are disconnected.

First to fourth stop switches 41a to 41d (transmission position) (the lamps of the first to fourth stop switches 41a to 41d are turned off)
The first to fourth minority clutches 19a to 19d, the first to fourth longitudinal feed clutches 24a to 24d, and the first to fourth supply clutches 38a to 38d are in a transmission state (all-row operation state).

[11]
Next, the state which operated the mode setting switch 45 to the all-row fertilization stop position and the all-row planting stop position is demonstrated.
As shown in FIG. 5, when the mode setting switch 45 is operated to the full-row fertilization stop position, the full-row fertilization stop mode is set, and it is displayed on the instrument panel 46 that the full-row fertilization stop mode is set. The operation shaft 63 and the first to fourth cam members 64a to 64d are greatly rotated by the second electric motor 65, and the first to fourth supply clutches 38a to 38d are operated in the disconnected state.

  Thereby, in the full-row fertilization stop mode, when the first to fourth stop switches 41a to 41d are pushed and operated to the transmission and cutoff positions, the first to fourth supply clutches 38a to 38d are held in the cutoff state. The first to fourth minority clutches 19a to 19d and the first to fourth longitudinal feed clutches 24a to 24d are operated to the transmission and disconnection states as described in [7] to [10] above.

  As shown in FIG. 5, when the mode setting switch 45 is operated to the all-row planting stop position, the all-row planting stop mode is set, and the instrument panel 46 indicates that the all-row planting stop mode is set. Thus, the operating shaft 48 and the first to fourth cam members 51 to 54 are largely rotated by the first electric motor 43, and all the wires 59 and 61 are pulled, and the first to fourth minority clutches 19a. To 19d and the first to fourth vertical feed clutches 24a to 24d are operated in the disconnected state.

  Thus, in the all-row planting stop mode, when the first to fourth stop switches 41a to 41d are pushed and operated to the transmission and cutoff positions, the first to fourth minority clutches 19a to 19d and the first to fourth longitudinal feeds are performed. With the clutches 24a to 24d held in the disconnected state, the first to fourth supply clutches 38a to 38d are operated to the transmission and disconnected states as described in [7] to [10] above.

[12]
As shown in FIGS. 1 and 5, an operation lever 47 is provided on the right side of the lower side of the steering handle 34, and the operation lever 47 is extended laterally outward to the right. The operation will be described.
As shown in FIG. 5, the operation lever 47 includes a first ascending position U1 and a second upper position U2 above the neutral position N, a first descending position D1 and a second descending position D2 below, a rear right marker position R and It is configured to be operable in the cross direction of the front left marker position L, is biased to the neutral position N, and the operation position of the operation lever 47 is input to the control device 28.

  As shown in FIGS. 1 and 2, right and left markers 50 are provided on the right and left lateral sides of the seedling planting device 7, and the right and left markers 50 are grounded on the rice field and the next operation is performed. It is configured to be freely changeable to an action posture that forms a stroke index and a retracted posture that is separated upward from the rice field. As shown in FIG. 5, an electric motor 55 that operates the right and left markers 50 to the action and retracted posture is provided, and the electric motor 55 is operated by the control device 28.

  As shown in FIG. 5, when the operation lever 47 is operated to the second raised position U2 (operated to the second raised position U2 to the neutral position N), the planting and fertilizing clutch 26, 27 is operated in the shut-off state, automatic raising / lowering control to be described later is stopped, the right and left markers 50 are operated in the retracted posture by the electric motor 55, and the seedling planting device 7 is driven up to the upper limit position.

  As shown in FIG. 5, when the operating lever 47 is operated to the second lowered position D2 (operated to the second lowered position D2 and operated to the neutral position N), the seedling planting device 7 is driven downward, and the grounding float 11 is driven. When the paddle comes into contact with the rice field, the automatic lifting control is activated, and the seedling planting device 7 comes into contact with the rice field and stops. After operating the operating lever 47 to the second lowered position D2 (after operating to the second lowered position D2 and to the neutral position N), when the operating lever 47 is again operated to the second lowered position D2, the electric motors 29, The planting and fertilizing clutches 26 and 27 are operated to the transmission state by 30.

In this case, automatic elevation control is performed as follows.
A rear portion of the center grounding float 11 is supported by the seedling planting device 7 so as to be swingable up and down, and a potentiometer (not shown) for detecting the height of the center grounding float 11 with respect to the seedling planting device 7 is provided. The detection value of the potentiometer is input to the control device 28. The center grounding float 11 follows the surface of the field as the aircraft progresses, and the height of the centering grounding float 11 with respect to the seedling planting device 7 is detected by the detected value of the potentiometer. The height from the float 11) to the seedling planting device 7 can be detected. Thereby, based on the height of the center grounding float 11 with respect to the seedling planting device 7 (height from the surface (center grounding float 11) to the seedling planting device 7), the seedling planting device 7 has a set height from the surface. The hydraulic cylinder 14 is expanded and contracted so that the seedling planting device 7 is automatically moved up and down so that the detected value of the potentiometer is maintained at the set value.

  As shown in FIG. 5, when the operation lever 47 is operated to the right marker position R (operated to the right marker position R and operated to the neutral position N), the right marker 50 is operated to the acting posture by the electric motor 55. When the operating lever 47 is operated to the left marker position L (operated to the left marker position L and operated to the neutral position N), the left marker 50 is operated to the operating posture by the electric motor 55.

[13]
As shown in FIG. 5, when the operation lever 47 is operated to the first ascending position U1, the planting and fertilization clutches 26 and 27 are operated to be disconnected by the electric motors 29 and 30, the automatic elevation control is stopped, and the electric The right and left markers 50 are operated to the retracted posture by the motor 55, and the seedling planting device 7 is driven up. In this case, the seedling planting device 7 is driven to rise only while the operating lever 47 is operated to the first raised position U1, and when the operating lever is operated from the first raised position U1 to the neutral position N, the seedling planting is performed. The ascending drive of the attaching device 7 stops.

  As shown in FIG. 5, when the operation lever 47 is operated to the first lowered position D1, the seedling planting device 7 is driven downward. In this case, the seedling planting device 7 is driven to descend only while the operation lever 47 is operated to the first lowered position D1, and when the operation lever is operated from the first lowered position D1 to the neutral position N, seedling planting is performed. The descent drive of the attaching device 7 stops. Accordingly, by operating the operation lever 47 to the first ascending and first descending positions U1, D1, the link mechanism 6 (the seedling planting device 7) can be driven up and down to an arbitrary height and stopped.

  As shown in FIGS. 1 and 5, the up / down switch 57 for transmitting an operation signal corresponding to the first raising and lowering positions U <b> 1, D <b> 1 of the operation lever 47 is provided on the right or left lateral rear side portion of the driver seat 5. (The right side or the left side of the feeding part 31 and the hopper 32), and an operation signal of the lift switch 57 is input to the control device 28. The raising / lowering switch 57 is provided with a raising button (not shown) and a lowering button (not shown), and the link mechanism 6 (the seedling planting device 7) is operated only while the raising button of the raising / lowering switch 57 is pushed. When the push-up operation of the lift switch 57 is stopped, the drive of the link mechanism 6 (the seedling planting device 7) is stopped. The link mechanism 6 (the seedling planting device 7) is driven down only while the lowering button of the up / down switch 57 is being pressed. When the pressing operation of the lowering button of the up / down switch 57 is stopped, the link mechanism 6 (the seedlings) The descending drive of the planting device 7) stops.

  Thereby, the case where the seedling planting device 7 is removed from the link mechanism 6 and supported by a stand (not shown), or a working device (for example, a drug spraying device or a direct seeding device) different from the seedling planting device 7 is linked to the link mechanism. 6, the operator on the ground drives the link mechanism 6 to a desired height by pushing and operating the ascending and descending buttons of the elevating switch 57 while observing the height of the link mechanism 6 nearby. Thus, the seedling planting device 7 can be removed from the link mechanism 6 and another working device can be connected to the link mechanism 6.

[First Alternative Embodiment of the Invention]
In the above-mentioned [Best Mode for Carrying Out the Invention], seed culm is put in the hopper 32 instead of the granular fertilizer, and the feeding unit 31, the hopper 32, the grooving device 35 and the hose 36 are directly seeded (feeding device). Equivalent). In this case, the seedling planting device 7 may be removed from the link mechanism 6 and a direct sowing device may be used.

  Instead of the powdered fertilizer, a powdered drug may be put into the hopper 32, and the feeding unit 31, the hopper 32, the grooving device 35, and the hose 36 may be used as a drug spraying device (corresponding to a supply device). In this case, the feeding portion 31, the hopper 32, the groove producing device 35, and the hose 36 may be supported by the seedling planting device 7 (for example, supported by the transmission case 8 and arranged behind the seedling setting table 12).

[Second Embodiment of the Invention]
In the above-mentioned [Best Mode for Carrying Out the Invention] [First Another Mode of Carrying Out the Invention], a tank for storing liquid fertilizer by eliminating the feeding portion 31, the hopper 32, the groove producing device 35 and the hose 36. (Not shown), a plurality of pumps (not shown) for delivering liquid fertilizer from the tank (corresponding to a supply device), a nozzle (not shown) for supplying liquid fertilizer to the rice field, and the pump and nozzle A hose (not shown) connected to the pump may be provided, and a second clutch (a plurality of supply clutches) (not shown) capable of transmitting and interrupting power to the pump may be provided.

[Third Another Embodiment of the Invention]
In the above-mentioned [Best Mode for Carrying Out the Invention] [First Alternative Embodiment of the Invention] [Second Alternative Embodiment], instead of the first to fourth stop switches 41a to 41d, one A clutch operating lever (not shown) (corresponding to a clutch operating tool) may be used.
The present invention can be applied not only to the 8-row type seedling planting device 7 but also to the 10-row type, 6-row type, and 5-row type seedling planting device 7.

Overall side view of riding rice transplanter Overall plan view of riding rice transplanter Overall plan view of the seedling planting apparatus showing the arrangement of the planting arm, the first to fourth minority clutches, the vertical feed mechanism, the first to fourth vertical feed clutches, etc. The top view which shows arrangement | positioning of a feeding part, an operating shaft, the 1st-4th supply clutch, etc. The figure which shows linkage states, such as a 1st-4 stop switch, a 1st-4th minority number clutch, a 1st-4th longitudinal feed clutch, and a 1st-4th supply clutch.

10 planting arm 19a, 19b, 19c, 19 d minority Article clutch 31 feeder 38a, 38b, 38c, 38 d supply clutch 41a, 41b, 41c, 41d clutch operation device 43 first electric actuator 65 second electric actuator
45 Mode setting switch

Claims (4)

A plurality of planting arms for planting seedlings on the rice field is provided according to the planting strip, and a plurality of supply devices for supplying a supply object in the vicinity of each planting strip,
A plurality of small-numbered clutches each capable of transmitting and interrupting power to a small number of planting arms among the plurality of planting arms are provided for each of the small number of planting arms, and the plurality of small-numbered clutches are in a transmission and disconnection state. comprising a first electric actuator freely operated,
A plurality of supply clutches capable of transmitting and disconnecting power to a small number of supply devices among the plurality of supply devices are provided for each of the small number of supply devices, and the second supply clutch can be operated in a transmission and disconnection state. provided with a motorized actuator,
Includes a clutch operation device that is artificially operated, and control means for operating operates the first and second electric actuator based on the operation of the clutch operation member,
An interlocking mode for operating the first and second electric actuators so that the minority strip and the supply clutch are operated in the same state of transmission and disconnection based on the operation of the clutch operating tool,
The second electric actuator is operated so that all the supply clutches are operated in the disengaged state, and all the supply clutches are operated in the disengaged state, based on the operation of the clutch operation tool. and a non-interlocking mode in which work dynamic operating the first conductive aCTUATOR,
Set in the control means ,
A riding type rice transplanter provided with a mode setting switch capable of artificially setting the interlocking mode and the non-interlocking mode . A plurality of planting arms for planting seedlings on the rice field is provided according to the planting strip, and a plurality of supply devices for supplying a supply object in the vicinity of each planting strip,
A plurality of small-numbered clutches each capable of transmitting and interrupting power to a small number of planting arms among the plurality of planting arms are provided for each of the small number of planting arms, and the plurality of small-numbered clutches are in a transmission and disconnection state. The first electric actuator that can be operated is provided.
A plurality of supply clutches capable of transmitting and disconnecting power to a small number of supply devices among the plurality of supply devices are provided for each of the small number of supply devices, and the second supply clutch can be operated in a transmission and disconnection state. With an electric actuator,
A clutch operating tool that is artificially operated, and a control unit that operates and operates the first and second electric actuators based on the operation of the clutch operating tool.
An interlocking mode for operating the first and second electric actuators so that the minority strip and the supply clutch are operated in the same state of transmission and disconnection based on the operation of the clutch operating tool,
The first electric actuator is operated so that all the minority clutches are operated in the disengaged state, and the clutch operating tool is operated with all the minority clutches operated in the disengaged state. Based on the non-interlocking mode for operating the second electric actuator,
Set in the control means,
A riding type rice transplanter provided with a mode setting switch capable of artificially setting the interlocking mode and the non-interlocking mode . A plurality of planting arms for planting seedlings on the rice field is provided according to the planting strip, and a plurality of supply devices for supplying a supply object in the vicinity of each planting strip,
A plurality of small-numbered clutches each capable of transmitting and interrupting power to a small number of planting arms among the plurality of planting arms are provided for each of the small number of planting arms, and the plurality of small-numbered clutches are in a transmission and disconnection state. The first electric actuator that can be operated is provided.
A plurality of supply clutches capable of transmitting and disconnecting power to a small number of supply devices among the plurality of supply devices are provided for each of the small number of supply devices, and the second supply clutch can be operated in a transmission and disconnection state. With an electric actuator,
A clutch operating tool that is artificially operated, and a control unit that operates and operates the first and second electric actuators based on the operation of the clutch operating tool.
An interlocking mode for operating the first and second electric actuators so that the minority strip and the supply clutch are operated in the same state of transmission and disconnection based on the operation of the clutch operating tool,
The second electric actuator is operated so that all the supply clutches are operated in the disengaged state, and all the supply clutches are operated in the disengaged state, based on the operation of the clutch operation tool. A first non-interlocking mode for operating the first electric actuator;
The first electric actuator is operated so that all the minority clutches are operated in the disengaged state, and the clutch operating tool is operated with all the minority clutches operated in the disengaged state. Based on a second non-interlocking mode for operating the second electric actuator,
Set in the control means,
A riding type rice transplanter provided with a mode setting switch capable of artificially setting the interlocking mode and the first and second non-interlocking modes . The first electric actuator is configured to operate the small number of clutches from the right or left planting line one by one to a transmission and disconnection state, and the second electric actuator allows the supply clutch to be right or left planted. It is configured so that it can be operated in the transmission and shut-off state one by one from the appendix,
In the interlock mode, the first and second electric actuators are configured to be operated so that the small number of strips corresponding to the planting strip and the supply clutch are operated in the same state of transmission and disconnection. The riding type rice transplanter as described in any one of Claims 1-3.

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