JP4453825B2 - Vegetable seedling transplanter - Google Patents

Description

  The present invention belongs to the technical field of vegetable transplanting machines for fields.

2. Description of the Related Art A walking-type seedling transplanting machine is known that includes an openable / closable beak-like seedling planting body that is connected to a link mechanism that is driven to move up and down, a traveling device, and a steering handle. In the walking type seedling transplanter, a seedling planting body is provided below a seedling feeding device around which a plurality of seedling feeding cylinders circulate. There is a seedling transplanter with a configuration for planting in a field.
JP 2002-125411 A

  In the above-mentioned prior art vegetable transplanter, fertilizer is introduced through the hose into the seedling planted body, so the lower end of the hose enters the seedling fall passage inside the seedling planted body, so the hose May hinder the supply of seedlings to a smooth field. Further, since the hose is arranged so as to enter the lower part of the seedling supply device, a large bend is generated in the hose, and a long hose is used, so that the fertilizer is easily clogged in the hose.

  The problem of the present invention is that not only seedlings but also fertilizers, chemicals, soil, water and other auxiliary materials for transplantation can be reliably supplied to the seedling planting body. It is to provide a vegetable transplanting machine that can input auxiliary materials.

The above-described problems of the present invention are solved by the following solution means.
The invention according to claim 1 is a vegetable seedling provided with a bowl-shaped seedling planting body ( 30 ) for planting seedlings in a field and a seedling supply device ( 4 ) for supplying seedlings to the seedling planting body ( 30 ) in transplanter, the seedling supply device (4) the seedling planting body below the seedling supply position of the supply port of the (30) (30LA, 30RA) and the two form, the seedling planting body (30) The first beak part (30L) having the first supply port (30La) overlapping the seedling supply device (4) in plan view among the two supply ports (30La, 30Ra) and the two supply ports (30La, 30Ra) has a second supply port (30Ra) protruding outside the seedling supply device (4) in a plan view, and the lower end protrudes below the lower end of the first beak (30L). The second beak part (30R) comprises the second beak part (30R) Above the second supply port (30RA) is vegetable seedling transplanter in an open state.

According to a second aspect of the invention, above the second beak portion of the seedling planting body (30) (30R), the sub-supplying auxiliary materials for transplantation for transplanting in the field by the seedling planting body (30) with seedlings material supply device (50) is provided, a second supply port (30RA) and is arranged opposite that provided above the sub-materials outlet of the sub material supply device (50) (50b) and the second beak (30R) The vegetable seedling transplanter according to claim 1.

According to a third aspect of the invention, a partition plate for dividing in the vertical direction of the aircraft inside the seedling planting body (30) and (30c) provided a seedling supply space for supplying the seedling with partition plate (30c) first It is a vegetable seedling transplanter of Claim 1 or Claim 2 which partitions off the 1 beak part (30L) and the 2nd beak part (30R) which is the auxiliary material space for transplant which supplies the said auxiliary material for transplant.

According to the first aspect of the present invention, the auxiliary material for transplantation such as fertilizer and medicine can be supplied without interfering with the smooth supply of the seedling from the seedling supply device ( 4 ) to the seedling planting body ( 30 ) . It can be easily supplied together with the seedling from the second supply port (30Ra) projecting to the outside of the second beak part (30R) of the seedling planting body ( 30 ) also from the upper outside of ( 4 ) . Moreover, since the seedling planting body (30) is composed of the first beak part (30L) and the second beak part (30R) whose lower end part projects downward from the lower end part of the first beak part (30L), the seedling supply Is relatively shallow by the first beak part (30L), and auxiliary materials such as fertilizer can be inserted relatively deeply into the cocoon (U) by the second beak part (30R). There is no risk that the roots of the seedlings will burn without fertilizer.

According to the second aspect of the invention, in addition to the effect of the first aspect, second district secondary materials outlet of the secondary material supply device (50) (50b) and said seedling planting body (30) By arranging the second supply port ( 30Ra ) of the beak portion ( 30R ) to face each other, the auxiliary material for transplantation can be supplied accurately and efficiently by the auxiliary material supply device ( 50 ) . Further, clogging at the time of supplying the auxiliary material can be made difficult to occur.

According to the invention described in claim 3, in addition to the effect of the invention described in any one of claims 1 to 2, there is a deviation in the supply timing of the seedling and the auxiliary material for transplantation to the seedling planting body ( 30 ) . Even if it occurs, since the spraying position of the secondary material relative to the planting position of the seedling is supplied to the field at the set position, the seedling and the secondary material for transplantation can be supplied to the field in an appropriate state.

Embodiments of the present invention will be described with reference to the drawings.
The seedling transplanting machine according to the present embodiment includes a beak-shaped seedling planting body 30 that can be opened and closed by being connected to a link mechanism 3 that is driven to move up and down to a machine body that includes a traveling device 1 and a steering handle 2. Yes. In the following description of each embodiment, the front side and the rear side in the forward direction of the seedling transplanter are referred to as front and rear, respectively, and the right and left in the forward direction are referred to as right and left, respectively.

1, 2, and 3 are a side view, a plan view, and a perspective view (FIG. 3 (a)) and a rear view (FIG. 3) of a beak-like seedling transplant body 30 of the seedling transplanting machine according to the first embodiment of the present invention. (B)) is shown.
The seedling transplanting machine includes a beak-shaped seedling transplant body 30 that can be opened and closed by being connected to a link mechanism 3 that is driven up and down to a machine body that includes a traveling apparatus 1 and a steering handle 2. Is provided with a pair of left and right front wheels 6 and 6 supported so as to be able to roll and a pair of left and right rear wheels 7 and 7 which are driven and rotated by the power of the engine 5 being transmitted.

  A mission case 8 is disposed at the rear portion of the engine 5, and the mission case 8 has a case portion extending from the left side portion to the left side of the engine 5, and this is connected to the left side portion of the engine 5. The output shaft of the engine 5 enters the case portion and power is transmitted to the transmission mechanism in the transmission case 8. The transmission case 9, 9 is rotatably attached to the left and right side portions of the transmission case 8, and the tip of the wheel drive shaft 9A is extended from the transmission case 8 to the left and right outer sides at the rotation center of the transmission case 9, 9. Enters the transmission case 9, 9 to transmit power for traveling. Then, the driving power is transmitted to the axles 10 and 10 which extend to the rear side of the machine body and project to the side of the rear end side through the transmission mechanism in the transmission cases 9 and 9, and the rear wheels 7 and 7 are driven to rotate. It is supposed to do.

  A left / right horizontal hydraulic cylinder 15 is provided on the left side of the fuselage, and a balance rod 13 is attached to the tip of the piston rod of the left / right horizontal hydraulic cylinder 15 so as to be rotatable about a vertical axis. Further, the right side of the connecting portion of the balance rod 13 is connected to the rod 23, and the left side is connected by a left / right horizontal control hydraulic cylinder 15 which can be expanded and contracted.

When the lifting / lowering hydraulic cylinder 12 projects based on the detection result of the saddle height detection sensor (not shown), when the piston rod 12a projects rearward, the rod 23 and the left / right horizontal control hydraulic cylinder 15 also operate. 23 and the arms 11 and 11 respectively connected to the left and right horizontal control hydraulic cylinders 15 are rotated rearward in a side view of the machine body, and accordingly, the left and right transmission cases 9 and 9 are rotated downward to raise the machine body. To do. On the other hand, when the piston rod 12a of the lifting hydraulic cylinder 12 is retracted forward, the left and right arms 11 and 11 are rotated forward, and the transmission cases 9 and 9 are rotated upward accordingly. Descends.
Further, it is configured to operate so as to raise or lower the airframe by an artificial operation of an operation tool arranged in the vicinity of the steering handle 2.

  Further, when the left / right horizontal control hydraulic cylinder 15 expands / contracts, the balance rod 13 rotates around the vertical axis connected to the tip of the piston rod of the lifting hydraulic cylinder 12 at the center of the left / right to transmit left / right transmission. Cases 9 and 9 are moved up and down alternately to incline the aircraft from side to side. The left / right horizontal control hydraulic cylinder 15 is configured to operate so that the airframe is horizontally horizontal based on a detection result of a sensor (not shown) that detects left / right inclination of the airframe relative to the left / right horizontal.

  The pair of front wheels 6, 6 are located on the side of the lower end of the arm portion that extends downwardly on the left and right sides of the front wheel support frame 16 that is pivotally mounted around the axial center in the front-rear direction at the left and right center position below the engine 5. It is rotatably attached to a fixed axle 17.

  The steering handle 2 is attached to the rear end portion of the body frame 14 whose front end portion is fixed to the mission case 8. The body frame 14 is disposed at a position deviated from the right and left center of the body to the right side and extends rearward, and extends obliquely rearward and upward from the front and rear intermediate portion. The steering handle 2 extends rearward from the rear end portion of the body frame 14 to the left and right, and the rear end portions thereof serve as grip portions 2 a and 2 a of the steering handle 2. The left and right grip portions 2a, 2a of the steering handle 2 are set to an appropriate height so that the operator can easily grip the grip portions 2a, 2a with hands. In the illustrated example, the grip portions 2a and 2a are divided into left and right. However, the left and right rear end portions of the steering handle 2 may be connected to each other left and right, and the connecting portions may be used as the grip portions 2a and 2a.

  The link mechanism 3 is attached to a planting transmission case 18 that includes a transmission mechanism that receives power for driving a seedling planting tool from the mission case 8 and transmits it. As shown in the figure, the planting transmission case 18 has a front portion connected to the rear portion of the transmission case 8 and is fixed to a first case portion 18a extending obliquely upward and rearward from the first case portion 18a and an upper left portion of the first case portion 18a. A second case portion 18b extending to the left side, a third case portion 18c fixed to the left end portion of the second case portion 18b and extending rearward and obliquely downward, and an outer portion of the lower end portion of the third case portion 18c. A fourth case portion 18d that is fixed and extends to the left side and a fifth case portion 18e that is fixed to the left end portion of the fourth case portion 18d and extends horizontally rearward are provided. The first case portion 18a to the fifth case portion 18e have a transmission mechanism that transmits power for driving the link mechanism 3 up and down.

  The transmission mechanism built in the first case portion 18a includes an intermittent drive mechanism that stops the link mechanism 3 and the seedling planting body 30 at the uppermost position of the raising / lowering movement or at a position in the vicinity thereof, and a link. The mechanism 3 and the clutch mechanism which stops the raising / lowering motion of the seedling planting body 30 are provided. The time for stopping by the intermittent drive mechanism is adjusted by a speed change mechanism provided in the intermittent drive mechanism, and the adjustment between the seedling planting stocks by the seedling planting body 30 is adjusted by this adjustment.

  The link mechanism 3 is provided on the rear side of the seedling planting body 30 and the first lifting arm 20 that is rotatably connected to the left and right intermediate portion of the left and right shaft 19 provided on the front side of the seedling planting body 30. And a second elevating arm 22 rotatably connected to the left side of the left and right shaft 21.

  Although details are omitted, the first elevating arm 20 and the second elevating arm 22 move up and down while swinging. As a result, the lower end portion of the seedling planting body 30 is a substantially elliptical locus that is long in the vertical direction in a side view. It moves up and down at T and T ′ (FIG. 1).

  The seedling supply device 4 transmits power from the engine 5 by connecting one rotary shaft 34a of the sprockets 34, 34 and the third case portion 18c via a universal joint 53a and a transmission shaft 53b, and the left and right sprockets 34 are connected. , 34 is driven to rotate and the seedling supply cup 40 is moved around. Further, the sprockets 34, 34 are intermittently driven and controlled by a rotation restricting member such as a ratchet arm (not shown) from the drive mechanism in the first case portion 18a via the transmission shaft 53b. , 34.

  A number of seedling supply cups 40 are connected at equal intervals, and guide bodies 35 and 35 for guiding the movement of the seedling supply cup 40 along the circular movement trajectory are provided inside and outside the circular movement trajectory of the seedling supply cup 40. ing. Thereby, the revolving movement of the seedling supply cups 40 is performed accurately and smoothly.

  A seedling placement unit 45 for placing the seedlings to be carried into the seedling supply device 4 is provided above the traveling device 1.

  The seedling planting body 30 is provided with a left-side seedling planting beak portion 30L and a right-side auxiliary material planting beak portion 30R extending downward. Moreover, the partition plate 30c (refer FIG.3 (b)) which partitions between the beak part 30R for auxiliary material planting, and the beak part 30L for seedling planting is provided.

  The seedling planting body 30 storing seedlings dropped from the seedling supply device 4 is opened by the link mechanism 3 while the left and right beak portions 30L and 30R are opened while descending according to the substantially elliptical trajectories T and T ′ that are vertically long in a side view. And a space is formed between the partition plate 30c and the beak portions 30L and 30R, and is inserted into the field, and seedlings are planted from the left beak portion 30L, and auxiliary materials such as fertilizer are planted from the right beak portion 30R. Thereafter, the right and left beak portions 30L and 30R are closed while the seedling planting body 30 is raised.

  The lower end portions of the beak portion 30L for seedling planting and the beak portion 30R for planting the secondary material are respectively rotated up and down in substantially elliptical trajectories T and T 'when viewed from the left side. Therefore, when the seedling planting body 30 is moved up and down so as to draw the trajectories T and T ′ in the rotation direction while traveling, the beak portion 30L for seedling planting at the lower end of the trajectories T and T ′ The lower end portion of the beak portion 30R for planting the auxiliary material enters the soil of the cocoon U in the field, and the beak portions 30L and 30R are opened in the left-right direction of the machine body so that the seedlings and fertilizer in the seedling planting body 30 Release into U soil. And after discharge | release, the side of the root of the seedling planted with the suppression wheel 38 is suppressed.

  Further, supply ports 30Ra and 30La corresponding to the right beak portion 30R and the left beak portion 30L are formed below the seedling supply position of the seedling supply device 4 for supplying the seedling planting body 30 with seedlings. The opening 30Ra is provided so as to protrude to the outside of the seedling supply device 4, and the upper portion of the protruding supply opening 30Ra is open. In addition, a secondary material supply device 50 for supplying chemicals, fertilizer, soil, water, etc., which are secondary materials for transplantation, is provided above the supply port 30Ra. And the auxiliary material discharge port 50b of this auxiliary material supply apparatus 50 and the supply port 30Ra which the seedling planting body 30 protruded are configured to face each other.

  Therefore, the auxiliary materials for transplantation such as fertilizer and medicine can be supplied to the single seedling planting body 30 together with the seedlings without disturbing the smooth supply of the seedlings from the seedling supply device 4 to the seedling planting body 30. In addition, since the auxiliary material discharge port 50b of the auxiliary material supply device 50 and the protruding supply port 30Ra of the seedling planting body 30 are arranged at the opposing positions, the seedling supply to the seedling planting body 30 and the auxiliary material are manually performed. The supply of the auxiliary material to the supply device 50 can be performed accurately and efficiently without interfering with each other.

  Further, since the seedling supply device 4 and the auxiliary material supply device 50 are located above the seedling planting body 30, the auxiliary materials such as the seedling and the fertilizer can be dropped into the seedling planting body 30 by natural fall.

  In addition, since the hose is not used as in the prior art as a means for supplying the auxiliary material from the auxiliary material discharge port 50b of the auxiliary material supply device 50 to the seedling planting body 30, there is no possibility that the auxiliary material is clogged in the hose.

  As shown in FIG. 3B, the inside of the seedling planting body 30 is partitioned by a partition plate 30c in the vertical direction of the machine body, and a beak portion 30L that is a seedling supply space for supplying seedlings and a transplanting auxiliary material are supplied. A beak portion 30R, which is a sub-material space for transplantation, is provided.

  Even if a deviation occurs in the supply timing of the seedling and the auxiliary material for transplantation to the seedling planting body 30, the space for supplying the seedling and the auxiliary material for transplantation is partitioned, For the planting position, the spraying position of the auxiliary material for the ridge U is supplied as set. Therefore, the seedling and the auxiliary material for transplantation can be supplied to the cocoon U in an appropriate state.

  As shown in the perspective view of FIG. 4, the auxiliary material supply device 50 is provided with a fertilizer hopper 51, a fertilizer feeding device 52, and the like. The auxiliary material supply device 50 has an auxiliary material opening 50a of a fertilizer hopper 51 on the uppermost side, a feeding device 52 provided with a roll 53 below the fertilizer hopper 51, a chamber 54 for storing a certain amount of fertilizer, a shutter 56, and the like. Are arranged in order.

  The auxiliary material discharge port 50b of the auxiliary material supply device 50 is such that the fertilizer hopper 51 and the fertilizer feeding device 52 are above the seedling planting body 30 and are outside the orbital movement locus of the seedling supply cup 40 in plan view. There is an advantage that the auxiliary material can be supplied from the auxiliary material discharge port 50 b to the seedling planting body 30 without being obstructed by the supply cup 40.

  Moreover, although the fertilizer supply apparatus 52 is a natural fall type, since the roll 53 is provided, submaterials, such as a fertilizer, can be supplied below smoothly. The roll 53 is always rotated by a roll drive shaft 25 that is constantly driven and attached to the transmission case 18, and the auxiliary material is gradually supplied to the chamber 54. When the seedling planting body 30 is raised to the top dead center, the seedling planting body 30 is provided on the proximal end side of the shutter 56 against the biasing force of the spring 57 biasing the shutter 56 in the closed state. The ear 56a is pushed to release the shutter 56. By opening the shutter 56, the auxiliary material in the chamber 54 falls into the seedling planting body 30. Therefore, it is not necessary to newly provide a driving force mechanism for opening the shutter 56.

  Thus, the fertilizer and the like can be supplied to the seedling planting body 30 by intermittently opening the shutter 56 without continuously driving the feeding device 52 with the roll 53 that is always driven, while continuously driving.

  By inserting the beak part 30L for supplying seedlings and the beak part 30R for supplying auxiliary materials into the ridge U, seedling planting and local fertilization can be performed simultaneously. In addition, there is an advantage that fertilization can be applied to the seedling planting area in a spot-seeded manner, and the seedling planting position and fertilization position with respect to the cocoon are always constant.

  In addition, in the conventional fertilization technique, the secondary material was applied as a full-layer fertilization or streak fertilizer on the surface, but the fertilizing effect was small and the waste of the secondary material increased even though the amount used was large. Since fertilization can be effectively applied to the seedling planting area in a spot-seeded manner, the fertilization effect is relatively high and economical.

  The beak part 30L for planting seedlings is shorter by a length D than the beak part 30R for planting auxiliary materials, so that the seedling supply is relatively shallow and the auxiliary materials such as fertilizers are inserted relatively deeply into the ridge U. The seedling root and the fertilizer do not directly contact with each other in the ridge U, and there is no possibility that the seedling root will burn the fertilizer.

  In addition, the conventional side fertilizer applicator (for rice transplanter) requires grooving / covering soil, so it cannot handle multi-filmed ridges U, but the seedling planting body 30 of this embodiment has a beak portion 30L and a beak. Since it has the portion 30R, it is possible to cope with a ridge U stretched with a multi-film.

  Further, since the side surfaces of the beak part 30L and the beak part 30R of the seedling planting body 30 are in contact with the partition plate 30c when inserted into the cocoon U, the holes formed when inserted into the cocoon U can be relatively small. It becomes easy to insert the beak portions 30L and 30R into the ridge U with a tension, and an unnecessarily large hole is not formed in the multi-film.

  In the present embodiment, the seedling planting body 30 is divided into beak portions 30R and 30L, and the supply port 30Ra of the beak portion 30R for supplying the auxiliary material is provided so as to protrude outside the seedling supply device 4 in plan view. However, as another embodiment, the seedling planting body 30 is not divided and formed, and a part of the supply port is provided to project outside the seedling supply device 4 in plan view of the body, and the auxiliary material and the seedling are supplied into the beak part. You may make it the structure to carry out.

  In addition, without providing the secondary material supply device 50 in particular, the supply port protruding outside the seedling supply device 4 may be opened and the operator may supply the secondary material directly to the supply port.

  The seedling transplanting machine of the present invention is not limited to vegetable seedlings, and may be used as a seedling transplanting machine for planting other seedlings.

It is a side view of the seedling transplanting machine of one Example of this invention. It is a top view of the seedling transplanting machine of FIG. They are a perspective view (Drawing 3 (a)) and a rear view (Drawing 3 (b)) of a seedling transplant object of a seedling transplanting machine of Drawing 1. It is a perspective view of the auxiliary material supply apparatus of the seedling transplanting machine of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Traveling device 2 Steering handle 3 Link mechanism 4 Seedling supply device 5 Engine 6 Front wheel 7 Rear wheel 8 Mission case 9 Transmission case 10 Axle 11 Arm 12 Lifting hydraulic cylinder 12a Piston rod 13 Balance rod 14 Body frame 15 Hydraulic pressure for horizontal control Cylinder 16 Front wheel support frame 17 Axle 18 Planting transmission case 19, 21 Shaft 20 First lifting arm 22 Second lifting arm 23 Rod 25 Roll drive shaft 30 Seedling planting body 30L Beak part 30R for seedling planting Beak part 30c Partition plate 30La, 30Ra Supply port 34 Sprocket 34a Rotating shaft 35 Seedling guide body 38 Pressing wheel 40 Seedling supply cup 45 Seedling part 50 Secondary material supply device 50a Secondary material opening 50b Secondary material outlet 51 Fertilizer hopper 52 Fertilizer Feeding device 53 Roll 53a Universal connection Hand 53b transmission shaft 54 chamber 56 shutter 56a ear 57 spring U ridges

Claims (3)

In a vegetable seedling transplanting machine provided with a bowl-shaped seedling planting body ( 30 ) for planting seedlings in a field and a seedling supply device ( 4 ) for supplying seedlings to the seedling planting body ( 30 ) ,
Two supply ports (30La, 30Ra) of the seedling planted body ( 30 ) are formed below the seedling supply position of the seedling supply device ( 4 ) ,
The seedling planting body (30) has a first beak portion (30L) having a first supply port (30La) that overlaps the seedling supply device (4) in plan view among the two supply ports (30La, 30Ra). And the two supply ports (30La, 30Ra) have a second supply port (30Ra) projecting to the outside of the seedling supply device (4) in plan view, and a lower end portion of the first beak portion (30L ) Of the second beak portion (30R) projecting downward from the lower end portion of
A vegetable seedling transplanting machine , wherein the upper part of the second supply port (30Ra) of the second beak part (30R) is in an open state. Above the second beak portion of the seedling planting body (30) (30R), the sub-material supply device for supplying auxiliary materials for transplantation for transplanting in the field by the seedling planting body (30) and (50) is provided with seedlings , claims, characterized in that the sub material supply device (50) of auxiliary materials outlet (50b) and the second supply port provided above the second beak (30R) (30RA) and are oppositely disposed Item 1. A vegetable seedling transplanter according to Item 1. Internal partition plate (30c) provided for partitioning the vertical direction of the machine body, the first beak is seedling supply space for supplying the seedling with partition plate (30c) of said seedling planting body (30) and (30L), The vegetable seedling transplanting machine according to claim 1 or 2, wherein the second beak part (30R) which is a transplanting auxiliary material space for supplying the transplanting auxiliary material is partitioned .

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