JP4924061B2 - Seedling planting machine - Google Patents

Description

  The present invention relates to a seedling tank guide that guides left and right reciprocal lateral movement of a seedling transplanter. The plate end portion of the front plate protruding to the lateral side of the seedling tank is moved inward to enable storage.

A technique (for example, refer to Patent Document 1) in which a plate end portion of a front plate is provided in a detachable or foldable state is known.
JP-A-6-46623

  The form of attaching and detaching the plate end portion of the front plate is troublesome in operation, and this plate end portion is easily lost, and in the form of folding and hanging down, it is easy to be damaged by hitting an adjacent member.

The invention of claim 1 is along the seedling outlet (4) of the seedling tank (3) that reciprocates in the lateral direction with respect to the seedling inlet (2) on which the seedling nail (1) acts, front plate forming the seedling Tokuchi (2) with this for seedling delivery port (4) receives the delivery seedlings guide (5) is provided, plate end portions of the right and left ends of the front plate (5) (6) is referred to as the front plate (5) of the left-right center of the front plate central portion (7) seedling planting machine is moved to the lower inside, characterized in that housed in the polymerization state of.
According to the second aspect of the present invention, the plate end portion (6) and the front plate center portion (7) are connected by the swing plate (30), and the swing plate (30) is swung to thereby move the plate end portion (6). 2) in a lower inner side of the front plate center portion (7) and in a position where the seedling collection opening (2) of the front plate center portion (7) is not blocked. Use a seedling planting machine.

According to the first aspect of the present invention, since the plate end portion 6 of the front plate 5 that laterally guides the seedling tank 3 is stored under the front plate central portion 7, the left and right ends of the front plate 5 are stored. The portion can be made short and thin to maintain the height of the floor surface high, and a simple storage form can be prevented to prevent contact with adjacent members.
The invention according to claim 2 does not block the seedling collection opening 2 of the front plate center portion 7 even when the plate end portion 6 is accommodated.

Based on the illustrated example, the seedling plant vehicle body 21 has a front wheel 8 steered by a steering handle 22 and a rear wheel 9 and is driven by an engine 12 disposed under a seat cover 11 on which the driver's seat 10 is mounted. The seedling planting device 14 is attached to the rear part via the parallel link 13 and can be moved up and down by the expansion and contraction of the lift cylinder 15. The seedling planting device 14 has a center float 19 at the center in the left-right width direction on the lower side of the connected seedling frame 18 so as to freely roll around the rolling shaft 17 with respect to the link hitch 16 at the rear end of the parallel link 13, Side floats 20 on both sides are arranged and supported by sliding on the soil surface. Above this seedling planting frame 18, a seedling tank 3 in a multi-row planting form that accommodates seedlings grown in a mat-like form and feeds them downward to the rear is provided so as to be able to reciprocate left and right. planting locus line drawing a D provided seedling Uetsume 1 operating seedling planting, configured to multi-start planting form to挿植seedlings fed from the seedling tank 3 of each corresponding separate holding soil surface of is doing. At the rear end lower part of the seedling tank 3, a front plate 5 having a substantially L-shaped side cross section as a tank guide along the horizontal direction is provided, and the lower end seedling outlet 4 part of each seedling tank 3 is slidably guided, For each seedling tank 3, a seedling inlet 2 for causing each planting claw 1 to act is formed.

  With respect to the support structure of each of the floats 19 and 20, the float arm 25 can be protruded from the float support shaft 24 of the seedling frame 18 toward the rear lower part, and the float arm 25 can be rotated up and down around the float support shaft 24. Provided. A float shaft 26 in the horizontal direction is provided at the rear end portion of the float arm 25, and the brackets of the floats 19 and 20 are rotatably supported. The floats 19 and 20 are subjected to soil resistance during sliding and receive front end portions. Is supported so as to be rotatable up and down. By turning the center float 19 up and down, the hydraulic control valve of the lift cylinder 15 is switched, the lift cylinder 15 is expanded and contracted, and the entire seedling planting device 14 is moved up and down, so that the seedling planting depth by the seedling planting claws 1 is increased. It is configured to maintain the thickness constant. If the soil surface becomes deep during planting and the center float 19 moves up, the seedling planting device 14 is raised. Conversely, if the soil surface becomes shallow and the center float 19 moves down, the seedling planting device 14 is lowered. The seedling planting depth is controlled to be constant. In order to change the seedling planting depth, a planting depth adjusting lever that is rotatable around the float support shaft 24 is provided. Each of the floats 19 and 20 is formed so that the float width of the first half portion is widened to form a flattened portion, and is configured in a substantially T-shape in plan view as a whole. , 20 so as to be actuated on the rear side of the flat portions on both the left and right sides. The seedlings separated from each seedling inlet 2 of the seedling tank 3 are guided by the planting guide 27 and planted on the soil surface leveled by the floats 19 and 20.

  Here, the seedling tank guide according to the present invention is arranged along the seedling delivery port 4 of the seedling tank 3 that reciprocates in the lateral direction with respect to the seedling inlet 2 on which the seedling claw 1 acts. A front plate 5 for forming and receiving the seedling outlet 2 is provided, and plate end portions 6 on both the left and right sides of the front plate 5 are movably provided, and a lower portion of the front plate central portion 7 is provided. It is set as the structure which moves inside and accommodates in a superposition | polymerization state. When the seedling planting operation is performed, the end 6 of the plate is connected and extended to the lateral end of the center 7 of the front plate, and the seedling feed port 4 of the seedling tank 3 is guided to reciprocate in the lateral direction. A seedling fed out to the delivery port 4 is received and guided, and seedling separation planting by the seedling planting claw 1 acting on the seedling inlet 2 is performed. When storing and mounting the seedling transplanter in a warehouse or truck, the seedling tank 3 is positioned at the center of the front plate 5 width, and the plate end 6 is moved to the lower inside of the front plate center 7. And store it as a polymer.

  The front plate 5 has a cross-section L from a bottom side 28 that receives and slides and guides a lower end edge of the seedling outlet 4 of the seedling tank 3 and a front side 29 that slides the feeding end surface of the seedling. It is configured in a letter form. The left and right ends of the front plate 5 are separated at the lateral ends from the seedling collection port 2 at an appropriate position A on the outer side, and the separated plate end 6 is moved to the lower side of the front plate central portion 7. To do. The bottom plate 28 between the front plate center portion 7 and the plate end portion 6 is connected and supported by a swing plate 30 that rotates while maintaining a parallel state along the direction of the bottom plate surface. The inner end portion of the swing plate 30 is rotatably supported by the mounting bolt 31 on the lower surface of the bottom portion 28 of the front plate center portion 7. Further, an elongated hole 32 is formed in the outer end portion of the swing plate 30, and a fastening bolt 34 having a handle 33 and a nut 35 are provided in the elongated hole 32. The plate end 6 and the rocking plate 30 are fixed by tightening bolts 34 passed through the holes in the bottom side portion 28 of the plate end 6 to the nut 35, and the plate end 6 is connected to the front plate center portion 7. Alternatively, the storage state can be fixed. When the plate end 6 is moved C by swinging the swing plate 30, the bolts 34, 31 and the like can be loosened. In the bottom side 28 of the front plate 5, the sliding contact surface 36 at the edge of the seedling delivery port 4 of the seedling tank 3 is formed in the stepped portion, and the lower surface portion of the seedling collecting port 2 is formed in the recess 37. The sliding contact surface 36 of the plate end portion 6 can be stored in a form in which it is partially overlapped by being positioned in the depression 37 on the lower side of the front portion of the bottom portion 28 of the front plate center portion 7. The plate end portion 6 is housed in the front plate center portion 7 so that the seedling opening 2 of the front plate center portion 7 is not closed. Also, in order to fix the protruding state of the plate end 6, sockets 38, 39 that are inserted and fitted into the front end of the front plate center 7 and the base end of the plate end 6 are formed, It is configured to be connectable or separable. The plate end portion 6 can be moved and moved in the range of the long hole 32 of the swing plate 30 to be inserted and removed. On the front side of the plate end portion 6 of the front plate 5, the front plate guard 40 formed in an L shape from the left and right end portions of the seedling planting frame 18 is rotated around the support pin 41 so as to be put in and out. It is configured to do.

The vehicle body 21 is mainly composed of a center frame 48 that connects between a center portion of a front transmission case 45 and a rear frame 47 provided with rear axle cases 46 on both left and right sides, a side frame 49, a front frame 50, and the like surrounding them. Configure. From the transmission case, a rear wheel output shaft 51, a PTO shaft 52, and the like are provided, and the rear wheel 9, the seedling planting device 14, and the like are interlocked. An engine pulley 53 is provided on the left side of the engine 11, and an input pulley 54 is provided on the left side of the front portion of the transmission case 45, along the belt cover 55 provided inside the side frame 49 across the pulleys 53, 54. The belt 56 is passed over and transmitted. Further, a mid frame 57 for connecting the left and right side frames 49 is provided on the rear portion of the transmission case 45, and a plate-like support bracket 58 is provided at the center of the mid frame 57. The front and rear, left and right step floor plates 59, 60 that can be joined are received and fixed. Further, teeth and a battery 61 are mounted at the center of the front frame 50, and a balance weight 62 can be mounted at the left and right lateral ends.

Next, mainly based on FIG. 7 to FIG. 9, an upper frame 63 is provided on the upper portion of the rear frame 47, and the lower center frame 48 is connected to the lower center frame 48 by an inclined frame 64 that is inclined downward. The lift cylinder 15 is provided along the inclination of the inclined frame 64. It increases the seedling transplanter support rigidity. A protruding U-shaped support frame 66 is provided above the engine 12 via the rear frame 63 and an arm 65 protruding from the lever guide 69 side, and a fuel tank 67 is supported and mounted on the support frame 66. . Along the right side frame 49, a lever guide 69 of a sensitivity lever 68 for adjusting the detection sensitivity of the center float 19 is provided at the rear part by adjusting the angle of the center float 19 and the front part is provided with a front part. A hydraulic lift valve 70 is provided. A wire 71 is connected to the lift valve 70 and connected to the rear center float 19, and the outer of the wire 71 is engaged with an outer receiver 72 formed on the lever guide 69. The overall structure is concise.

  Next, mainly based on FIGS. 4, 10, and 11, the leveling center rotor 75 and the side rotor 76 for leveling the soil surface between the rear wheel 9 and the floats 19 and 20 are arranged, It is configured to be driven so as to be driven through an output shaft 77 taken out from the rear axle case 46 portion. The upper part of the rotor frame 78 that rotationally supports the rotors 75 and 76 is provided in a suspended form on the upper frame 81 of the seedling tank support frame 80 above the seedling planting frame 18 via a link 79. A rotor up / down lever 82 is provided at the center of the upper frame 81. By rotating the lever 82 to the left and right, the hook pin 83 can be engaged with the hook portion and the rotor frame 78 can be lifted or lowered. Further, support rollers 84 for supporting and guiding the upper rear surface portion of the seedling tank 3 are provided at both left and right end portions of the upper frame 81. Further, the front plate 5 is moved up and down along the left and right rotor frames 78 to adjust the amount of seedlings, and the center float 19 is moved up and down to increase the seedling planting depth. An adjustment lever 86 for adjustment is provided. These levers 85 and 86 are arranged at lower positions outside the rotor up / down lever 82.

  In a five-planting seedling planting machine, the output shaft 77 of the leveling rotors 75 and 76, the rolling shaft 17 of the seedling planting device 14, and the central planting strip of the five-row planting are arranged and set on the center line of the body width. By doing so, the weight balance on the left and right and the steering balance can be maintained, and the operability can be improved.

The bottom view of the front board part which shows the action state of a seedling tank, and a side view. The bottom view and side view which show the isolation | separation state of the board edge part. The top view of a front board part. The side view of a seedling transplanter. The plan view. The top view of the vehicle body part. The top view of the vehicle body frame part which shows a part another example. The side view. The rear view. Planar layout of the leveling rotor unit. The front view.

1 Seedling Nail 2 Seedling Entrance 3 Seedling Tank 4 Seedling Delivery Port 5 Front Plate 6 Plate Edge 7 Front Plate Center

Claims (2)

Delivery of this seedling feed outlet (4) along the seedling feed outlet (4) of the seedling tank (3) reciprocating in the horizontal direction with respect to the seedling inlet (2) on which the seedling nail (1) acts A front plate (5) for receiving and guiding the seedlings and forming the seedling outlet (2) is provided, and the plate ends (6) at both the left and right ends of the front plate (5) are connected to the left and right centers of the front plate (5). A seedling transplanter that is moved to the lower inner side of the front plate center portion (7) and stored in a polymerized state. The plate end portion (6) and the front plate center portion (7) are connected by the swing plate (30), and the swing plate (30) is swung to connect the plate end portion (6) to the front plate center portion (7). The seedling transplanter according to claim 1, wherein the seedling transplanter (2) of the front plate center portion (7) is housed in a position where it is not blocked.

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