JP2006149281A - Seedling transplanter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To constitute transplanter transplanting seedlings such as shallots and the like to furrows to be compact. <P>SOLUTION: The seedling transplanter has a machine body frame 2b supporting a lateral pair of traveling wheels 6, 6 running in the preformed furrow M, provided at almost lateral center of the machine body and extending in the longitudinal direction of the machine body and an operation handle 2a provided in the rear of the machine body frame 2b and equipped ahead of the operation handle with seedling feeders 4 on both lateral sides of the machine body frame 2b, seedling transplanting devices 3 transplanting the seedlings fed from the seedling feeders 4 to the furrows M and a ridge-repairing unit 30 for repairing the ridges. The seedling transplanting devices 3 and the ridge-repairing unit 30 are installed, respectively, at the back of the travelling wheels 6, 6 for transplanting the seedlings to the furrows M on which the running rear wheels 6, 6 have run. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention belongs to the technical field of seedling transplanters for field action, especially seedling transplanters such as raccoon.

Transplantation of raccoon seedlings into the field is currently performed by hand, but since the agricultural population is declining and aging, there is a need for mechanization. A seedling transplanting machine for transplanting seedlings such as raccoon has already been proposed. This seeding transplanting machine is a machine that transplants multiple seedlings such as raccoon into the groin at the same time.
JP-A-9-271213

The seedling transplanting machine described in the above document has a configuration including a transplanting device and a device for forming a ridge groove in the rear part of the tractor, and the entire transplanting machine becomes large and there is room for improvement in operability.
An object of the present invention is to compactly configure a transplanter for transplanting seedlings such as raccoon into the groin.

The above-described problems of the present invention are solved by the following solution means.
The invention described in claim 1 is a seedling transplanting machine provided with a pair of left and right traveling wheels 6, a seedling transplanting device 3 for transplanting seedlings, and a seedling supply device 4 for supplying seedlings to the seedling transplanting device 3. This is a seedling transplanting machine in which the seedling transplanting device 3 is provided behind the traveling wheel 6.

  According to a second aspect of the present invention, the seedling supply device 4 is configured such that a seedling container 29 that stores seedlings to be supplied to the seedling transplanting device 3 circulates in an elliptical circular trajectory that is long in the front-rear direction of the body in plan view. It is set as a structure, The surrounding locus front part of the said seedling supply apparatus 4 is provided so that it may be located in front of the said driving | running | working wheel 6, The said seedling transplanting apparatus 3 is provided below the rear part of the surrounding locus of this seedling supply apparatus 4. The seedling transplanting machine according to 1.

  According to a third aspect of the present invention, the traveling wheel 6 travels in a previously formed groin M, and the seedling transplanting device 3 is configured to transplant a seedling in the groin M, and the seedling transplanting device 3 transplants the seedling. The seedling transplanting machine according to claim 1 or 2, wherein the left and right sides of the seedling transplanting portion are provided with a heel correcting body 30 that abuts against the side surfaces of the left and right side ridges of the heel groove M and corrects the heel shape.

  According to the first aspect of the present invention, the seedling transplanting device 3 is provided at the rear of the traveling wheel 6 so that a compact configuration without a device for molding the cocoon can be obtained, and the seedling is transplanted into the ridge groove M. In this case, since the seedling can be transplanted into the ridge groove M on which the traveling wheel 6 has traveled, the planting operation of the seedling can be performed efficiently while the machine body is made compact.

  According to the invention of claim 2, the seedling supply device 4 is provided with the longitudinal direction of the machine body as a longitudinal direction, and the front of the orbit of the seedling supply device 4 is provided in front of the traveling wheel 6, Since the seedling transplanting device 3 is provided below the rear part of the orbit of the seedling supply device 4, the front-rear balance of the entire machine body is improved.

  According to invention of Claim 3, a seedling can be planted, correct | amending the heel U which the driving | running | working wheels 6 and 7 crumbled and correcting with the heel correction body 30, and a seedling can be transplanted favorably.

Embodiments of the present invention will be described with reference to the drawings.
The seedling transplanting machine according to the present embodiment includes an openable / closable beak-shaped seedling transplanting body 25 that is connected to a vertical movement mechanism 26 that is driven to move up and down on a machine body that includes the traveling device 1 and the steering handle 2. It is said. 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.
FIG. 1 shows a side view of a seedling transplanter according to an embodiment of the present invention, and FIG. 2 shows a plan view.
The traveling device 1 of the seedling transplanter includes a pair of left and right front wheels 7 and 7 supported so as to freely roll and a pair of left and right rear wheels 6 and 6 that are driven and rotated by transmission of power from the engine 5.

  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 the power is transmitted to the transmission mechanism in the transmission case 8. A transmission case 9, 9 is rotatably attached to both left and right sides of the transmission case 8, and the tip of a 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. The driving power is transmitted to the axles 10 and 10 which extend to the rear side of the machine body and protrude to the side of the rear end side via the transmission mechanism in the transmission cases 9 and 9, and the rear wheels 6 and 6 are driven to rotate. It is supposed to be.

  Also, upwardly extending arms 11, 11 are integrally attached to the attachment parts of the transmission cases 9, 9 to the transmission case 8, and this is the tip of the piston rod of the lifting hydraulic cylinder 12 fixed to the transmission case 8. It connects with the right and left both sides of the connecting body (not shown) attached to. The left and right sides (right side) are connected by a rod (not shown), and the other side (left side) is connected by a left / right horizontal control hydraulic cylinder 15 that can be expanded and contracted according to the inclination of the airframe.

When the elevating hydraulic cylinder 12 is actuated and the piston rod projects rearward, the left and right arms 11 and 11 are rotated rearward, and the transmission cases 9 and 9 are rotated downward accordingly. Rises. On the other hand, when the piston rod of the lifting hydraulic cylinder 12 moves forward and retracts into the cylinder 12, the left and right arms 11, 11 rotate forward, and the transmission cases 9, 9 rotate upward accordingly. The aircraft moves down. The lifting hydraulic cylinder 12 is configured to operate the airframe to a set height with respect to the height of the groove M based on the detection result of the sensor 20 that detects the height of the groove M with respect to the airframe. Moreover, it is also configured to operate so as to raise or lower the aircraft by an artificial operation of the operation tool L arranged in the vicinity of the steering handle 2.
In addition, the ridge groove M in this embodiment is a groove portion between the formed ridges.

  Further, when the left / right horizontal control hydraulic cylinder 15 is extended and contracted, the left arm 11 connected to the left / right horizontal control hydraulic cylinder 15 is rotated to make the left rear wheel 6 and the right rear wheel 6 different from each other. Raise the aircraft to the left and right. The left / right horizontal control hydraulic cylinder 15 is configured to actuate the airframe horizontally in accordance with a detection result of a sensor (not shown) that detects the left / right inclination of the airframe relative to the left / right horizontal.

  The left and right front wheels 7, 7 are located on the side of the lower end portion of the arm portion extending below the left and right side portions of the front wheel support frame 16 attached to the left and right central positions below the engine 5 so as to be rotatable around the front and rear axis. It is rotatably attached to the fixed axles 17 and 17. Accordingly, the left and right front wheels 7 and 7 are capable of rolling around the longitudinal center of the left and right center of the aircraft.

  The steering handle 2 is attached to a rear end portion of a body frame 2b having a front end portion fixed to the mission case 8. Airframe frame 2b is disposed along the front-rear direction at the center of the left and right sides of the airframe. Moreover, it is set as the structure extended diagonally rearward upward from the front-back intermediate part of the body frame 2b. The steering handle 2 extends rearward from the rear end portion of the body frame 2b to the left and right, and the rear end portions thereof serve as grip portions 2a and 2a 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 example shown in the figure, the grip portions 2a, 2a are divided into left and right, but the left and right rear end portions of the steering handle 2 may be connected to each other left and right, and the connecting portion may be used as the grip portion.

  Further, the traveling vehicle body 1 is configured such that a traveling drive unit that is grounded and driven to rotate is configured as a four-wheel traveling drive unit including front and rear wheels 6, 7. It can also be configured.

  The seedling transplanting device 3 is arranged behind the rear wheel 6 and has a beak-shaped seedling planting body 25 whose tip is directed downward, and a position where the lower end of the seedling planting body 25 is above the ridge groove M and A vertical movement mechanism 26 for moving the seedling planting body 25 up and down to a position below the groove M, and a lower end portion of the beak-like seedling planting body 25 is closed so that seedlings can be received from above and seedlings can be accommodated inside. And an opening / closing mechanism (not shown) for opening and closing the seedling planting body 25 in a closed state and an open state in which the lower end of the seedling planting body 25 is opened back and forth and the seedling accommodated inside can be released downward. ing.

  The seedling planting body 25... Is provided on each of the upper and lower lifting links 40a, 40b of the vertical movement mechanisms 26, 26 provided on the left and right sides of the transmission case 28 mounted on the upper part of the mounting member 27 whose lower part is fixed to the body frame 2b. Two bodies are attached to the tip.

  Although not described in detail, the elevating links 40a and 40b move up and down about the rotation center provided on the left and right side portions of the transmission case 28 as the rotation axis, and the left and right seedling planting bodies 25 move up and down. The lower end portion of the seedling planting body 25 is positioned above the field scene at the ascending position of the vertical movement, and the lower end portion of the seedling planting body 25 is positioned below the field scene at the descending position.

  A seedling planting body 25 storing seedlings dropped from the seedling supply device 4 is lowered by a vertical movement mechanism 26, 26 according to a substantially crescent-shaped trajectory T which is long in the vertical direction as viewed from the side, and the right and left beak-shaped seedling planting bodies. When 25 opens, a seedling is planted in the ridge groove M, and then the seedling planting body 25 is closed while rising.

  In the present embodiment, the seedling planting bodies 25 on both the left and right ends are particularly located just behind the rear wheel 6 and are planted in the ridges M after the front and rear wheels 6 and 7 have passed.

  In addition, the seedling supply device 4 is arranged in parallel on the right and left sides of the body frame 2b in the plane view of the body, and the seedling supply device 4R is configured to circulate along an elliptical circular trajectory that is long in the longitudinal direction of the body in the plane view of the body. 4L, both of which receive seedlings from above and accommodate seedlings inside, and a detailed description thereof is omitted, but the seedling containers 29 pass above the seedling planting body 25. And a release mechanism that opens the bottom of the seedling container 29 at a position above the seedling planting body 25 to drop the seedling housed inside and feed the seedling to the seedling planting body 25. I have.

  The moving mechanism of the seedling supply device 4 includes sprockets 38, 38; 38, 38 provided with seedling containers 29 ...; 29 ... connected to each other like endless chains in both the right and left seedling supply devices 4R, 4L. The right and left seedling supply devices are engaged with and wound around arcuate cutouts on the outer periphery of 38, and the left and right sprockets 38, 38; 38, 38 are driven and rotated by the power extracted from the transmission case 28. Each of the 4R and 4L seedling containers 29... 29. Rotating shafts 21, 21; 21, 21 to which the sprockets 38, 38; 38, 38 are rotatably attached are rotatably attached to the support frame 22 supported by the upper part of the transmission case 28, and from the upper part of the transmission case 28. It is configured to transmit from the left and right rotating shafts (not shown) protruding upward to the respective rotating shafts 21, 21; 21, 21 through sprockets and chains.

Moreover, the seedling transplanting apparatus 3 has a configuration of a plurality of strips in which a plurality of seedling planting bodies 25 are arranged side by side at set intervals. In this example, it is set as the structure of the four-row planting which arranged the seedling planting body 25 side by side with the set space | interval at 4 set intervals. And the seedling planting body 25 is provided in the lower part of the rear part of the seedling supply device 4 in the longitudinal direction of the machine body, and the front part of the seedling supply device 4 is provided in front of the rear wheel 6 to improve the front-rear balance of the entire machine body. ing.
Furthermore, by arranging two seedling planting bodies 25 on the right side and the left side of the body frame 2b passing through substantially the center of the body on the left and right sides, respectively, the left and right balance of the body is improved.

  A seat 18 is provided directly above the front wheel 7, and a step 19 for getting on and off the seat 18 is provided behind the seat 18.

  Further, as described above, for planting seedlings such as oysters, the front and rear wheels 6 and 7 are placed in the ridges M made in the field, and the seedling planting body 25 of the transplanting device 3 is arranged behind the rear wheels 6 and 7. However, at this time, as shown in the side view of the transplanter in FIG. As shown in the perspective view of FIG. 4, the heel correction body 30 is a plate material that is disposed in the left-right direction by connecting the plate members 30 a, 30 a having a plane in the pair of left and right and the front part of the pair of plate members 30 a, 30 a. It is a substantially “U” shaped member in plan view consisting of 30b. Note that the pair of left and right plate members 30a and 30a are assembled so that the distance from each other becomes narrower from the top to the bottom.

  The heel correcting body 30 is attached to the body frame 2b via the support member 31, and when the seedling transplanting machine is advanced, the heel correcting body 30 can be advanced while correcting a pre-formed groin groove.

  In addition, as shown in FIG. 3, the wrinkle correction body 30 has a start end portion positioned on the front side of the seedling planting body 25 and a terminal end portion positioned on the rear side of the seedling planting body 25, thereby When planting with the body 25, it can prevent more reliably that the soil of a cocoon flows into a groin part, and can improve a planting precision more.

  In addition, as shown in the side view of the transplanter in FIG. 5, the heel correction body 30 may be attached to a link mechanism 32 that can move up and down, and may also serve as a sensor for the height of the heel groove M.

Furthermore, as shown in the side view of the transplanter in FIG. 6, the perspective view of the attachment portion of the eyelid correction body 30 in FIG. 7 (a), and the rear view of the attachment portion of the eyelid correction body 30 in FIG. A height sensor 33 for the groove M is provided on the mounting shaft 31a of the correction body 30 in addition to the flange correction bodies 30a and 30b, and the sensor 33 can be disposed in the groove M where the front and rear wheels 6 and 7 do not pass. That is, it is the structure which corrects the wrinkles on both sides of the groove M through which the front and rear wheels 6, 7 are corrected by the wrinkle correction body 30.
In FIG. 5, step 34 described below is provided.

  As shown in the perspective view of the attachment portion of the eyelid correction body 30 in FIG. 8, when steps 34 and 34 that allow an operator to ride on both ends of the attachment shaft 31c of the eyelid correction body 30 are attached, Since the worker does not have to walk, the shape of the groove in the field can be maintained.

  Further, as shown in the plan view of the transplanter in FIG. 9, a step 34 ′ on which an operator can ride is provided on both ends of the attachment shaft 31 a of the heel correction body 30 and the support shaft 35 provided on the support arm of the transmission case 9. By providing a pair in the front-rear direction across the two, it is possible to adjust so that two workers share the work in the front-rear direction of the transplanter and keep the balance of the machine body.

  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. In addition, the seedling transplanter of the present invention can be applied to both a walking type and an automatic traveling vehicle type.

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. It is a side view of the seedling transplanting machine of one Example of this invention. It is a perspective view of the heel correction body attachment part of the seedling transplanter of one Example of this invention. It is a side view of the seedling transplanting machine of one Example of this invention. It is a side view of the seedling transplanting machine of one Example of this invention. They are a perspective view (Drawing 7 (a)) and a rear view (Drawing 7 (b)) of a wrinkle correction body attachment part of a seedling transplanter of one example of the present invention. It is a perspective view of the heel correction body attachment part of the seedling transplanter of one Example of this invention. It is a top view of the seedling transplanting machine of one Example of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Traveling device 2 Steering handle 2a Grip part 2b Airframe frame 3 Seedling transplant device 4 (4R, 4L) Seedling supply device 5 Engine 6 Rear wheel 7 Front wheel 8 Transmission case 9 Transmission case 9a Wheel drive shaft 10 Axle 11 Arm 12 Lifting hydraulic pressure Cylinder 15 Horizontal control hydraulic cylinder 16 Front wheel support frame 17 Axle 18 Seat 19 Step for getting on / off 20 Sensor 21 Rotating shaft 22 Support frame 25 Seedling planting body 26 Vertical movement mechanism 27 Mounting member 28 Transmission case 29 Seedling container 30 Wrinkle correction Body 31 Support member 32 畝 Correcting body link mechanism 33 畝 Groove height sensor 34, 34 'Step 38 Sprocket 40a, 40b Lifting link M 畝 Groove T Trajectory U 畝

Claims (3)

In a seedling transplanting machine provided with a pair of left and right traveling wheels, a seedling transplanting device for transplanting seedlings, and a seedling supply device for supplying seedlings to the seedling transplanting device,
A seedling transplanting machine, wherein the seedling transplanting device is provided behind a traveling wheel.   The seedling supply device has a configuration in which a seedling container that stores seedlings to be supplied to the seedling transplanting device circulates in an oblong circular trajectory that is long in the longitudinal direction of the aircraft in plan view of the aircraft, and before the circulation locus of the seedling supply device The seedling transplanting machine according to claim 1, wherein the seedling transplanting device is provided so as to be positioned in front of the traveling wheel, and the seedling transplanting device is provided below the rear part of the circulation locus of the seedling supply device.   The traveling wheel travels in a previously formed groin, and the seedling transplanting device is configured to transplant seedlings into the groin, and on both the left and right sides of the seedling transplanting site to be transplanted by the seedling transplanting device, The seedling transplanter according to claim 1 or 2, further comprising a cocoon correcting body that abuts against the side surfaces of the cocoons on both sides and corrects the cocoon shape.

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