JP3275904B2 - Rice transplanter with fertilizer application device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technical field of a rice transplanter with a fertilizer applied to a rice transplanter.

[0002]

2. Description of the Related Art Conventionally, there has been a rice transplanter equipped with a fertilizer device in which compressed air for conveying fertilizer is blown into a fertilizer hose for guiding fertilizer to a ditcher for forming a fertilizer groove in a field.

[0003]

The conventional rice transplanter with a fertilizer applicator has an advantage that the fertilizer is conveyed using the compressed air, so that the fertilizer can be transferred well in the fertilizer hose. However, once the fertilizer discharge port of the fertilizer hose is blocked by mud or the like being clogged in the groove generator, the pressurized air blown into the fertilizer hose does not flow in the fertilizer transfer direction. Then, in this state, if the fertilizer device continues to operate and fertilizer is further supplied into the fertilizer hose, the fertilizer will be transferred to the horizontal location where the fertilizer does not easily move in its transfer direction due to its own weight. If there is, fertilizer is accumulated one after another at that point, and immediately to the fertilizer supply point of the fertilizing hose,
Also, the fertilizer is clogged up to the feeding section that supplies the fertilizer to the fertilizer hose. For this reason, before it notices that mud etc. clogged in the channel generator and starts work to remove it, there is a case where fertilizer is clogged up to the dispensing section and malfunction of the dispensing section occurs. Therefore, the present invention relates to a rice transplanter equipped with a fertilizer that has a fertilizer that transports fertilizer using pressurized air. It is another object of the present invention to make it difficult to cause a malfunction of the feeding section.

[0004]

In order to solve the above-mentioned problems, the present invention according to the first aspect of the present invention is directed to a fertilizer hose 32 for guiding fertilizer to a fertilizer producing device 27 for forming a fertilizer groove in a field. In the rice transplanter with the fertilizer device configured to blow the compressed air, the fertilizer hose 32 has mud or the like in the groove generator 27.
Fertilizer of fertilizer hose 32 that is clogged and connected to the channel generator 27
When the outlet is closed, the compressed air in the fertilizer hose 32
A rice transplanter with a fertilizer is characterized in that a hole 32 "c for blowing out is provided, and the hole 32" c is opened in a direction opposite to the fertilizer transfer direction. The invention according to claim 2 is the rice transplanter with a fertilizer device according to claim 1, wherein the hole 32 ″ c opens upward. According to the present invention, there is provided a rice transplanter with a fertilizer device according to claim 1 or 2, wherein a lid 32''d which can be freely opened and closed is provided in the hole 32''c.

[0005]

In the rice transplanter with the fertilizer application device according to the present invention, the fertilizer is conveyed by receiving the pressurized air, guided to the fertilizer hose 32, transferred to the groove generator 27, and formed on the field by the groove generator 27. It is discharged into a fertilizer gutter. Further, when mud or the like is clogged in the channeling device 27 and the fertilizer discharge port of the fertilizing hose 32 is closed, the compressed air blown into the fertilizing hose 32 is supplied through the hole 32 ″ c provided in the fertilizing hose 32. The fertilizer does not get out of the hose 32 and immediately becomes clogged in the fertilizer application hose 32. Further, when the fertilizer is normally conveyed, the hole 32 "c is formed in a direction opposite to the fertilizer transfer direction. Since it is open toward, the compressed air is less likely to blow out from the hole 32 ″ c.

[0006] Further, since the hole 32 "c is opened upward, muddy water that jumps up from a paddy field during work traveling does not easily enter the fertilizing hose 32 from the hole.

[0007] Further, by providing a lid 32 "d which can be opened and closed rotatably in a hole 32" c which opens in a direction opposite to the fertilizer transfer direction, foreign substances are sucked into the fertilizing hose 32 from the hole 32 "c. In addition, by providing a lid 32 "d which can be opened and closed rotatably in the hole 32" c which opens upward, even when the fertilizer is stopped and the compressed air is not blown, Since the hole 32 "c is closed by the lid 32" d, even when not working, rain falling from above may cause the fertilization hose 32
It is prevented from getting inside.

[0008]

Thus, according to the present invention, in a rice transplanter equipped with a fertilizer applicator equipped with a fertilizer applicator 5 for transporting fertilizer by using compressed air, the fertilizer hose 32 is filled with mud or the like in the groove generator 27. Even if the fertilizer discharge port is closed, the compressed air blown into the fertilizer hose 32 will not release
Since the fertilizer escapes from the fertilizing hose 32 from the position c, the fertilizer does not immediately become clogged in the fertilizing hose 32. Therefore, it is unlikely that the feeding part 31 malfunctions. In addition, although the fertilizing hose 32 is provided with the hole 32 "c for that purpose,
Is open in the direction opposite to the fertilizer transfer direction, so that when the fertilizer is being conveyed normally, the compressed air blows through the holes 3.
It is unlikely that the fertilizer comes out of the fertilizer hose 32 from 2 "c, so that the fertilizer transport force by the compressed air is not weakened, and good fertilizer can be applied.

[0009] Further, since the hole 32 "c is opened upward, muddy water that jumps up from the paddy field during work traveling does not easily enter the fertilizing hose 32 from the hole, and therefore, the inside of the fertilizing hose 32 gets wet and gets there. It is also unlikely that fertilizer will adhere and clog the fertilizer.

Further, by providing a lid 32 "d which can be opened and closed rotatably in a hole 32" c which opens in a direction opposite to the fertilizer transfer direction, foreign substances are sucked into the fertilizing hose 32 from the hole 32 "c. In addition, by providing a lid 32 "d which can be opened and closed rotatably in the hole 32" c which opens upward, even when the fertilizer is stopped and the compressed air is not blown, Since the hole 32 "c is closed by the lid 32" d, even when not working, rain falling from above may cause the fertilization hose 32
Thus, it is possible to prevent intrusion of foreign matter or rainwater from the holes 32 "c, thereby preventing clogging of fertilizer.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In a rice transplanter 1 with a fertilizer application device shown in FIG. 1, a planting section 4 is mounted on a traveling vehicle body 2 which is a motor vehicle via an elevating link device 3, and the traveling vehicle body 2 and this planting section are mounted. 4, a fertilizer application device 5 is provided. In the figure, 6 is a front wheel, 7 is a rear wheel, 8 is an engine, and 9 is a cockpit.

The elevating link device 3 includes an upper link 11 and lower links 12 and 12 which are attached to a link base 10 of the traveling vehicle body 2 so as to be able to move up and down. A vertical link 13 is connected to the rear ends of these upper and lower links. I have. The planting section 4 is mounted on a rolling shaft 14 projecting rearward from the lower end of the vertical link 13 so as to be rotatable left and right with respect to the traveling direction. The base side of the hydraulic cylinder 17 is attached to the traveling body frame 16, and the piston rod 18 side is connected via a spring to the tip end of a swing arm 15 that is integrally protruded downward from the base of the upper link 11.
By expanding and contracting, the planting section 4 is moved up and down. The hydraulic sill 17 is controlled by a hydraulic valve 28 described later. When the planting section 4 is lowered at the time of planting work or the like, the elevating link device 3 is at a position farthest to the front and rear with respect to the traveling vehicle body 2 (at this time, the seedling mounting table 21
Is located behind the hopper 30 of the fertilizer applicator 5 and does not come into contact with each other). When the planting section 4 is raised, it approaches the traveling vehicle body 2 (at this time, the tip of the seedling mounting table 21 It is located above the hopper 30 of the fertilizer application device 5 and approaches the cockpit 9 to facilitate the supply of seedlings.

[0013] The planting portion 4 has an E-shaped transmission case 2 in plan view.
Numeral 0 also serves as a frame of the planting section 4, and a seedling mounting table 21 is provided above the transmission case 20 so as to be inclined so that the front side is high and the rear side is low. This seedling mounting table 21 is a transmission case 2
It is configured to reciprocate left and right in connection with a left and right reciprocating mechanism within the range. In addition, the rear end portion of the transmission case 20 is provided with the planting devices 22... The seedlings supplied to the seedling outlets 21b are rotated while drawing a predetermined trajectory while sequentially supplying the seedlings to the seedling outlets 21b of the seedling receiving frame 21a. Planting device 2
No. 3 planting claws are clamped, and when they reach the field, they are opened and planted. A center float 25 and a pair of left and right side floats 26, 2 are provided below the planting portion 4.
6 is provided, and works as a damper function of the vertical movement of the planting section 4 while sliding and leveling the field scene by the advance of the aircraft. Each of the floats 25, 26, 26 is provided with a groove-forming device 27 for forming a groove for fertilization in a field scene near the seedling planting position of each line. The center float 25 is also a sensor for detecting unevenness in the field scene.
Is activated. That is, when the center float 25 moves upward, the hydraulic valve 28 is actuated in a direction to extend the hydraulic cylinder 17, and conversely, the center float 25
Is moved downward, the hydraulic valve 28 is actuated in a direction to contract the hydraulic cylinder 17.

The fertilizer application device 5 is a side-strip fertilizer device for applying fertilizer in the vicinity of planted seedlings. First, a hopper 30 containing fertilizer and a feeding part 31 attached below the hopper 30 are provided.
A plurality of extending portions 31 corresponding to each planting strip are located at the front side of the planting section 4 in the front-rear direction and behind the cockpit 9 of the traveling vehicle body 2 (here, corresponding to 6-row planting). Are provided in a line on the left and right.
Then, the fertilizing hoses 32 for guiding the fed fertilizer to the groove generators 27 are connected to the respective feeding sections 31. Further, the air chamber 3 for temporarily storing the blower 33 and the compressed air from the blower and sending it to the upper end of the fertilizing hose 32.
4 is provided so that the fertilizer is forcibly transferred in the fertilizing hoses 32 by compressed air.

The hopper 30 is provided so as to have the same number of fertilizer application lines as the planting lines, whereas the hopper 30 is provided integrally long on the left and right sides so as to be able to store a large amount of fertilizer. I have. Since the integrated hopper 30 can be constituted by connecting a single hopper 30 '... left and right by the number of fertilizing strips, the hoppers 30 having different numbers of fertilizing strips can be constituted by a combination of single hoppers 30' ... cost. Down can be achieved. The main body of the single strip hopper 30 ′ includes front and rear side walls 30 ′.
a, 30'a, side walls 30'b, 30'b which are opened to the left and right and concavely cut out, and funnel-shaped front, rear, left and right inclined surfaces 30'c, 30'c, 30'd on the bottom side. , 30'e (3
0'd is a steeply inclined surface and 30'e is a gently inclined surface). The upper open part is the fertilizer input port 30a, and the lower square hole is the fertilizer discharge port 30b. The position of the fertilizer discharge port 30b is provided to be shifted left and right (to the side of the steeply inclined surface 30'd) in plan view. The hoppers 30 'for a single strip are integrally connected to each other by rivets so that the left and right side walls 30'b, 30'b cut into the recessed strips abut the number of fertilization strips. . Further, here, the front and rear side walls 30′a... 30′a.
The front and rear outer plates 30'f, 30'f are attached to the outer surface of the left and right sides, and the upper and lower sides are substantially the same width and the upper and lower sides are wider than the side wall vertical width. Left and right outer plates 30′g so as to cover the concave cutouts on the outer side surface,
Paste 30'g. As described above, the hoppers 30 'for the number of fertilization strips are integrally connected, and the lid 30c is pivotally supported by the hopper rear side wall 30'a at the upper fertilizer input port 30a of the integrated hopper 30. It is provided so that it can be opened and closed. The integrated hopper 30 includes left and right side walls 30'b, 30'b,.
Is cut out in a concave shape, so that each single hopper 30 '
Since there is no partition for each ..., the fertilizer in the hopper 30 can be leveled by hand as a whole, and the workability at the time of fertilizer replenishment is improved.

FIGS. 6 (a), 6 (b), 7 (c), and 7 show an integrated connection structure of the hopper 30 according to the number of fertilizer strips.
(D) As shown in FIG.
... are connected. In the figure, the hopper portion is a schematic diagram in plan view, and the position of the hopper 30 (the center of the fertilizer discharge port 30b ...), the planting position P ..., and the fertilizing position (laterally shifted from the planting position P due to lateral fertilization). FIG. 7 is a diagram showing the positional relationship with F. FIG. 6A shows the case of the four-row planting type, and FIG. 6B shows the case of the five-row planting type.
FIG. 7C shows the case of the six-row planting type, and FIG. 7D shows the case of the eight-row planting type. In each figure, each fertilizer outlet 30
The fertilizing hoses 32 for each strip are led out from the center of b. The hopper 30 is configured so that the fertilizing hoses 32 are arranged to the fertilizing position F without shifting left and right. In addition, the steeply inclined surfaces 30'd are connected so as to be adjacent to each other as much as possible, and the connecting portions of the steeply inclined surfaces 30'd are arranged at the right and left center positions C of the fuselage as much as possible. 30s is a fertilizer reduction sensor, which is all attached to the steeply inclined surface 30'd. With the above configuration, in a rice transplanter with a fertilizer device in a form in which the hopper 30 is disposed behind the cockpit 9 and in front of the planting section 4, the hopper particularly in the case of 5-row planting and 6-row planting There is a point in the connection configuration. That is, when removing the fertilizer remaining in the hopper on the center side, the cockpit 9 is in front of the hopper and there is no space for taking out the fertilizer, so that the fertilizer is moved into the hoppers on the left and right sides and removed from the left and right sides. However, in this case, particularly, in the case of the five-row planting and the six-row planting, the hopper 30 can move the fertilizer on the gentle slope 30′e on which the fertilizer reduction sensor 30s is not attached, so that the center side is moved. It is configured so that it is easy to take out the fertilizer (when the fertilizer is to be moved on the steeply inclined surface 30'd, the inclination is steep and it is difficult to move, and the fertilizer reduction sensor 30s attached to that surface It is hard to do it.)

A funnel-shaped front, rear, left and right inclined surfaces 30'c, 3 'provided on the bottom side of each single hopper 30'.
Due to 0'c, 30'd, and 30'e, the fertilizer contained in the hopper 30 naturally slides down toward the supply ports 31c of the feeding sections 31 connected to the fertilizer discharge ports 30b of the hopper 30. It has become. When the lid 30c is opened and fertilizer is introduced, a band-shaped sheet 30c 'for preventing fertilizer accumulation is formed on the rear side of the hopper inner wall and the inner surface pivotal support side of the lid 30c so that the fertilizer does not accumulate on the lid 30c pivoting side. Affixed.

The front and rear outer plates 30'f, 30'f
Are located at the lower end positions of the inclined surfaces 30'c, 30'c, 30 '.
The upper and lower widths are widened so as to be positioned below the inclined upper positions d and 30′e. That is, there are provided skirt portions 30d, 30d that hang downward from the upper side of the inclined surface without being parallel to the inclination of the inclined surface 30e. Thus, water droplets adhering to the outer surface of the hopper 30 do not permeate the inside of the feeding portion from the connection portion with the feeding portion 31 on the inclined surfaces 30'c, 30'c, 30'd, 30'e. . Therefore, it is possible to prevent a problem that the fertilizer absorbs and adheres to the water in the feeding section 31 and the fertilizer is clogged.

The skirt portions 30 of the left and right side walls 30'g... 30'g...
Holes 30e which penetrate right and left are provided in the outer part of the hopper 30 inside the d and 30d. This hole 30e ...
Is the inclined surface (steeply inclined side) 30'd of each strip hopper 30 '.
Code 30 of fertilizer reduction sensor 30s provided in ...
It is used as a cord holder through an electrical cord such as s'. The cords are skirts 30d, 30d
Because it is wired inside, it is also a waterproof measure.

Next, the feeding section 31 is constructed by incorporating a feeding roll 31b for feeding a predetermined amount of fertilizer from top to bottom in a feeding section case 31a opened vertically. The feeding part case 31a for each strip is connected to the supply port 3 on the upper side.
1c are connected to the hopper 30 so that the fertilizer discharge ports 30b of the hopper 30 are brought into communication with each other, and a funnel 36 for guiding the fed fertilizer to the fertilizing hoses 32 at a lower outlet 31d. Is installed. The feeding roll 31b is provided with a feeding groove 31 whose length can be adjusted in the axial direction all around.
are provided, and the hopper 30 is provided in the grooves 31e.
It operates to store and turn the fertilizer inside and drop the fertilizer in the ditch below. During the rotation, the fertilizer in the groove is constantly fed out by a brush 31f attached so as to be in contact with the outer peripheral surface of the feeding roll 31b. The brush 31f can be easily taken out by opening the lid 31a 'provided on the front side surface of the feeding part case 31a. At this time, as the lid 31a 'is opened, the fertilizer take-out plate 31a "moves from a position where the flow of the fertilizer to the funnel 36 is not obstructed to a position where the flow of the fertilizer to the funnel 36 is prevented. The lid 31a 'can be opened to remove the fertilizer in the hopper 30 from the opened fertilizer take-out port without flowing.The delivery groove 31e of the delivery roll 31b is opposite to the position where the blower 33 is mounted. By turning the whole strip feed amount adjusting handle 40 provided on the side, the axial groove lengths of the feed grooves 31e can be simultaneously changed and adjusted, so that the fertilizer is fed per rotation of the feed roll 31b. With the handle 40, all the feeding sections 31 can be simultaneously and simultaneously changed and adjusted by the handle 40, and the feeding sections 31.
Can also be independently changed and adjusted.

The rotation of the feed roll 31b is transmitted from a fertilizing drive shaft 37a taken out of a planting fertilizing clutch case 37 provided on a transmission path from the transmission case of the traveling vehicle body 1 to the planting section 4. Rotate. More specifically, the rotary arm 37 attached to the fertilizer drive shaft 37a
b, the transmission arm 3 attached to the all-row feeding transmission shaft 38
8a are connected by a rod 37c. Further, each of the transmission arms 38b fixed to the transmission shaft 38 and the adjacent feeding portion 31,
Each of the drive arms 31h attached via a one-way clutch to a delivery shaft 31g which supports the delivery rolls 31b, 31b of the pair of delivery portions in a single axis, and a rod 38c. Connect with. Therefore, the rotation of the fertilizing drive shaft 37a swings each of the drive arms 31h... And connects the feed shaft 31 via a one-way clutch.
g are intermittently rotated in one direction. The lever whose base side is attached to the upper part of the planting and fertilizing clutch case 37 is a work clutch lever 39 for intermittently transmitting power to the planting unit 4 and the fertilizing device 5.

The lower funnel 36 has a fertilizer hose 3
2 are integrally connected so as to enter into a cylindrical hose mounting portion 36a to be connected and communicate with the inside of the funnel 36. A port on the side opposite to the hose mounting port 36b of the hose mounting portion 36a is an air blowing port 36c, and the compressed air blowing ports 36c ...
The side is inserted and connected to the air outlets 34b... Of the air chamber 34 corresponding to each of the strips so that the compressed air is guided to the fertilizing hoses 32. A hole for cleaning is formed in the wall of the funnel 36, and a cap 36d is provided.
It is covered with.

The fertilizer hose 32 has a hose-shaped portion which is connected to a hose mounting portion 36a of the funnel portion 36, and the hose 32 'has a predetermined shape in the form of a hose connected to the groove generator 27 side. The flexible hose 32 'is made of vinyl chloride, and is made of a transparent soft hose 32'a (the inner surface is smooth without irregularities). A transparent hard wire 32'b is spirally wound and welded or adhered, whereby the planting portion 4 rises and the flexible hose 3 '
When 2 ′ is bent, the radius of the hose bending portion takes a radius close to the maximum radius that can be taken by the hose length, so that the hose is smoothly bent, and the hose is not locally bent and does not damage the hose.

Further, the synthetic resin hose 3 of the fertilizing hose 32
The 2 "is provided with a hole 32" c, which is about half the inner diameter of the hose, for each hose 32 ". Mud or the like is clogged in the groove generator 27, and the fertilizer discharge port (groove) of the hose 32" is formed. If the opening on the side of the vessel 27) is closed, without this hole 32 ″ c, the compressed air will not be blown into the fertilizing hose 32, and the fertilizer will be in the horizontal hose mounting portion 36a within a few seconds. Although it will spread to the clogging of the fertilizer in the clogging feeding portion 31, since the compressed air blows through this hole 32 "c due to the provision of the hole 32" c, it immediately reaches the hose mounting portion 36a. The fertilizer does not become clogged, and the countermeasure against the fertilizer clogging can be dealt with in the fertilizing hose 32. The holes 32 "c... Are directed in the opposite direction to the fertilizer transfer direction as shown in FIG. It is open and normally Fee has it less likely that 圧風 goes exits out of the fertilizer hoses 32 from the holes 32 "c when being transported.

Further, since the hole 32 "c is open upward as shown in FIG. 8, it is difficult for muddy water that jumps up from the paddy field during work traveling to enter the fertilizer hose 32 from the hole. Therefore, it is less likely that the fertilizer hose 32 gets wet and fertilizer adheres to the fertilizer hose 32 and clogs the fertilizer.

Further, lids 32 "d... Which can be freely opened and closed are provided in the holes 32" c. Therefore, by providing the lid 32 "d which can be opened and closed rotatably in the hole 32" c which opens in the direction opposite to the fertilizer transfer direction, it is possible to prevent foreign substances from being sucked into the fertilizing hose 32 from the hole 32 "c. And
In addition, by providing the lid 32 "d which can be opened and closed rotatably in the hole 32" c which opens upward, even when the fertilizer is stopped and the compressed air is not blown, the hole 32 "c is kept open. Since the lid 32 is closed by the lid 32 "d, it is possible to prevent rain falling from above from entering the fertilizing hose 32 even during non-working, and to prevent foreign matter and rainwater from entering through the hole 32" c and clogging of the fertilizer. Can be prevented.

As described above, when all of the compressed air blown into the hose due to clogging of the fertilizer escapes from the holes 32 "c..., The lid 32" d... A clogging detection switch 32 "e... Is provided, and a warning device which is turned on when the switch 32" e. Thereby, when the fertilizer is clogged at the fertilizer outlet (the mouth on the side of the groove generator 27) of the fertilizer application hose 32, the warning light is turned on to immediately know which of the hoses 32 has clogged the fertilizer. You can do it. Instead of this configuration, a whistle that makes a sound when all the compressed air blown into the hose into the holes 32 "c... Tries to escape from the holes 32" c. Since the fertilizing hoses 32 are transparent and can be easily seen from the cockpit 9 side, the hose 3
Since the operator can easily monitor the state of fertilizer conveyance in 2..., It is possible to know that the fertilizer is clogged on the feeding section 31 side by seeing that the fertilizer is no longer conveyed in the hose 32.

The blower 33 has a configuration in which a blower fan is driven and rotated by an electric motor. The blower outlet 33a is connected to a blower outlet 34a at one of the right and left ends of the air chamber 34.
The air chamber 34 is attached so that compressed air blows in the longitudinal direction. Further, an air chamber 34 at a portion of the blower 33a of the blower 33 is provided.
Is connected to the air chamber 34 so as to be rotatable around an upper and lower longitudinal axis 34c.
By releasing the pressure c and rotating the blower 33, the compressed air blowing port 34a of the air chamber 34 can be opened.

The air chamber 34 is composed of a long iron pipe on the left and right, and a blower 33
Temporarily store the compressed air from the fertilizer application hose 32 ...
To send compressed air to The air chamber 34 is also used as a mounting frame for the extending portions 31 of each strip, and is mounted on a bracket fixed to the upper side of the link base 10. Also, the compressed air blowing ports 36c of the funnels 36 ...
Portion is fitted into a hole provided on the side of the air chamber 34, but the compressed air blowing ports 36c... In the air chamber 34 are deeper inwardly closer to the blower 33 side. The blower 33 side of the compressed air blowing ports 36c is cut out. This is to prevent a difference in the wind pressure of the compressed air blown into the compressed air blowing ports 36c... Due to the wind pressure of the blower 33 not being sufficiently large. If this is not done, the compressed air blowing port 3 far from the blower 33 (on the side where the compressed air of the blower 33 comes into contact with the closed side of the air chamber 34).
The wind pressure of the compressed air blown into the compressed air blowing port 36c close to the blower 33 becomes lower than the wind pressure of the compressed air blown into the 6c. Therefore, in the process in which the compressed air blown out by the blower 33 flows along the longitudinal direction of the air chamber 34, a part of the flow of the compressed air flows into the compressed air blowing ports 36 c in order from the side closer to the blower 33. Since the air flows separately, the difference in the pressure wind between the side far from the blower 33 and the side close to the blower 33 can be eliminated.

An opening 34b opposite to the side of the compressed air blowing port 34a to which the blowers 33 at the left and right ends of the air chamber 34 are attached is closed by a lid 34d.
The lid 34d is attached so as to close the opening 34b with the fastening fixtures 34e and 34e without any gap, and the opening 34b can be easily opened by removing the fastening fixture 34e. By opening the opening 34b and operating the blower 33 to blow air into the air chamber 34, the fertilizer that has entered the air chamber 34 can be blown out. Thereby, it is possible to prevent the fertilizer that has entered the air chamber 34 from deteriorating and deteriorating the air chamber 34.
Further, side steps 51, 51 are attached to the front side portions on both left and right sides of the air chamber 34. The side steps 51, 51 are provided so as to be continuous at substantially the same height as the rear high portion of the step floor 50 of the traveling vehicle body 2, and extend to the front side of the feeding portions 31, 31 at the left and right ends of the fertilizer application device 5. I have. Thus, when replenishing fertilizer to the hopper 30 of the fertilizer applicator 5 and replenishing seedlings to the seedling table 21 of the planting section 4 at both left and right sides, the feet are put on the side steps 51 and 51 and the body is protruded. And the replenishment work was safe and easy. Also, side step 51,
51 is also configured to be folded downward. 52, 52
Is a step support frame fixed to a fixed bracket below the air chamber 34; 53 is a step portion;
Is a U-shaped frame fixed to the lower side of the step portion 53, and this frame is engaged with the step support frames 52, 52 and connected by pins 55, 55. In the connecting portion with this pin, the U-shaped frame 54 side has elongated holes 54a, 54a. The U-shaped frame 54 and the air chamber 34 are connected by a spring 56. Therefore, when the step portion 53 is pulled out along the elongated holes 54a and 54a against the tension of the spring 56 and bent downward, the bent posture is also held by the spring 56. When the fertilizer is taken out from the feeding portions 31 at the left and right ends, if the step portions 53 are in the way, they can be easily folded downward as needed.

[Brief description of the drawings]

FIG. 1 is a side view of a rice transplanter with a fertilizer application device.

FIG. 2 is a plan view of a rice transplanter with a fertilizer application device.

FIG. 3 is a side sectional view showing a part of the fertilizer application device.

FIG. 4 is a partially sectional rear view showing a part of the fertilizer application device.

FIG. 5 is a perspective view showing a configuration of a hopper of the fertilizer application device.

FIG. 6 is an explanatory diagram showing a configuration of a hopper of the fertilizer application device and a positional relationship between the hopper, a fertilizer application position, and a planting position. (A) is the case of the four-row planting type. (B) is a case of a five-row planting type.

FIG. 7 is an explanatory diagram showing a configuration of a hopper of the fertilizer application device and a positional relationship between the hopper, a fertilizer application position, and a planting position. (C) is the case of the six-row planting type. (D) is the case of the eight-row planting type.

FIG. 8 is a partially sectional side view showing a part of the fertilizer application device.

FIG. 9 is a sectional plan view showing a part of the fertilizer application device.

FIG. 10 is a plan view showing a part of the fertilizer application device.

FIG. 11 is a side view showing a part of the fertilizer application device.

[Explanation of symbols]

 1: rice transplanter with fertilizer device 2: running car body 4: planting part 5: fertilizer device 27: groove generator 30: hopper 31: feeding part 32: fertilizer hose 32 "c: hole 32" d: lid 33: blower 34 ： Air chamber 36a ： Hose mounting part

Continuing from the front page (72) Inventor Hiroyuki Niiyama No. 1 Yachikura, Tobe-cho, Iyo-gun, Ehime Prefecture, Iseki Agricultural Machinery Co., Ltd. (72) Inventor: Rihiki Seike No. 1, Hachikura, Tobe-cho, Iyo-gun, Ehime Pref. In-house (72) Inventor Hitoshi Yamazaki 1 Eto, Hachikura, Tobe-cho, Iyo-gun, Ehime Pref.Izumi Agricultural Machinery Co., Ltd. Inventor Hideyuki Kusamoto 1 Hachikura, Tobe-cho, Iyo-gun, Ehime Prefecture Inspector, Iseki Agricultural Machinery Co., Ltd.Hidehiko Nishida (56) References JP-A-59-220112 (JP, A) (58) . ^7, DB name) A01C 15/04 A01C 11/00

Claims (3)

(57) [Claims] 1. A rice transplanter equipped with a fertilizer device, wherein a fertilizer transporting compressed air is blown into a fertilizer hose 32 for guiding fertilizer to a fertilizer generator 27 for forming a fertilizer groove in a field. When the mud or the like is clogged in the groove generator 27,
Fertilizer outlet of fertilizer hose 32 connected to vessel 27 is blocked
When the pressure air in the fertilizer hose 32 blows out of the hose
A rice transplanter with a fertilizer application device, wherein a hole 32 "c is provided, and the hole 32" c is opened in a direction opposite to the fertilizer transfer direction. 2. The rice transplanter with a fertilizer according to claim 1, wherein the hole 32 ″ c opens upward. 3. A lid 3 which can be freely opened and closed in the hole 32 "c.
3. The method according to claim 1, wherein 2 "d is provided.
Rice transplanter with fertilizer application device as described.