JP5418453B2 - Seedling transplanter - Google Patents

Description

  The present invention relates to a riding seedling transplanter, and in particular, to a step floor structure that serves as a scaffold for a driver.

Conventionally, a configuration example has been shown in which an anti-slip rising portion is provided on the outer periphery of a step floor serving as a driver's scaffold (see Patent Document 1) .

Japanese Patent Laid-Open No. 4-5183

  In the conventional configuration example, rainwater accumulates on the step floor during rainy weather work, and the driver moves on the step floor during replenishment of seedlings.

  An object of the present invention is to solve the above problems by draining water so that rainwater does not accumulate. Further, the position of the front wheel is made easier to see.

In order to solve the above problems, the present invention has taken the following technical means.
That is, the invention described in claim 1 is a riding-type seedling transplanter provided with a seedling planting part (6) that can be raised and lowered at the rear part of the traveling vehicle body (1). 34) is provided with a plurality of see-through holes (40f) through which the position of the front wheel (2) can be seen through, and the front wheel (2) is cut inward only in a part of the see- through holes (40f). A seedling transplanter configured to be configured to extend inward in the lateral width direction in accordance with the angle, and the front end of the front wheel (2) protrudes outward from the step floor (34) when the front wheel (2) is cut outward. To do.

The invention described in claim 2 is a riding type seedling transplanter provided with a seedling transplanting portion (6) that can be moved up and down at the rear part of the traveling vehicle body (1). 34) is provided with a plurality of see-through holes (40f) through which the position of the front wheel (2) can be seen through, and a part of the plurality of see-through holes (40f) is limited to the inner side in the lateral width direction. The seedling transplanter is provided with a guide groove (41) that is long open in the front and rear through the front and rear fluoroscopic holes (40f) of the plurality of fluoroscopic holes (40f) .

According to a third aspect of the present invention, there is provided a riding seedling transplanter provided with a seedling planting portion (6) that can be moved up and down at a rear portion of the traveling vehicle body (1). 34) is provided with a plurality of see-through holes (40f) through which the position of the front wheel (2) can be seen through, and a part of the plurality of see-through holes (40f) is limited to the inner side in the lateral width direction. In addition, a horizontally long see-through hole (40b) and a long see-through hole (42) are provided in the upper part of the rear wheel (3), and a see-through hole (40f) through which the position of the front wheel (2) can be seen through and a horizontally long see-through hole ( 40b) is a seedling transplanter provided with a protrusion (40j) formed by bending the inner peripheral edge upward .

Further, the invention described in claim 4 is provided with a guide groove (41) that is long in the front and rear through the front and rear see-through holes (40f) of the plurality of see-through holes (40f). ) Is provided with a horizontally long see-through hole (40b) and a long see-through hole (42) in the front and rear, and the see-through hole (40f) and the horizontally long see-through hole (40b) through which the position of the front wheel (2) can be seen The seedling transplanter according to claim 1 , further comprising a protrusion (40j) formed by bending the portion upward.

  In the invention according to claim 5, the weight (45) is attached to the front frame (28) of the front part of the machine body, the upper surface of the weight (45) is made flat, and the upper surface of the weight (45). The seedling transplanter according to any one of claims 1 to 4, wherein the seed floor transplanter is configured to receive and support the step floor (34).

According to the first aspect of the present invention, water can be drained so as not to collect rainwater, and when the front wheel 2 is cut inward, the position of the front wheel 2 is easy to see through the transparent hole 40f , and the front wheel 2 is cut outward. Since the front end of the front wheel 2 protrudes from the step floor 34, the position of the front wheel 2 can be easily confirmed .
According to the second aspect of the present invention, water can be drained so that rainwater does not collect, and the position of the front wheel 2 can be easily seen by the perspective hole 40f. Further, the guide groove 41 can be guided by inserting a foot accelerator pedal or the like .

According to the third aspect of the present invention, water can be drained so that rainwater does not accumulate , and the position of the front wheel 2 can be easily seen by the perspective hole 40f. Furthermore, since the see-through holes are provided in the left-right and front-and-back directions by the horizontally long see-through holes 40b and the front and rear see-through holes 42, the rigidity of the step floor 34 can be improved. Moreover, the fluoroscopic hole 42 that is long in the front-and-rear direction can also serve as a guide groove for the saddle clutch lever, for example. Further, the see-through hole 40f through which the position of the front wheel 2 can be seen and the horizontally long see-through hole 40b are provided with a projection 40j formed by bending the inner peripheral edge upward, so that the rigidity of the step floor 34 itself is further increased. Anti-slip effect can be demonstrated .
According to the invention of claim 4, the effect of the invention according to claims 1 to claim 3.

  According to the invention described in claim 5, in addition to the effect of the invention described in any one of claims 1 to 4, the upper surface of the weight 45 is used as the receiving surface of the step floor 34, whereby the step floor 34 can be supported stably. Further, when getting on and off from the front, since the weight 45 can get on and off around the step floor 34, the thin step floor 34 can withstand the load.

Side view of rice transplanter Top view of rice transplanter Step floor plan Side sectional view of part of the step floor Step floor plan Side sectional view of the main part of the step floor Side view of main part of rice transplanter in another embodiment Side view of main part of rice transplanter in another embodiment Plan view of the relationship between the step floor and balance weight Side view A plan view showing an interlocking mechanism between the HST lever and the throttle. Side view

An embodiment of the present invention will be described with reference to the drawings.
FIGS. 1 and 2 show a four-row riding rice transplanter as a seedling transplanter, and a pair of left and right front wheels 2, 2 and rear wheels 3, 3 are installed in front of and behind a traveling vehicle body 1. Has been. A steering device having an operation box 4 and a steering handle 5 is installed at the front upper part of the vehicle body, and a seedling planting part 6 that can be moved up and down is provided at the rear part of the vehicle body. A driver's seat 9 is installed on the rear side of the control device, and an engine E that transmits power to each part of the rice transplanter is mounted below the driver's seat.

  The steering handle 5 moves the left and right front wheels 2 and 2 through an output shaft, a pitman arm, a steering rod, and the like that are decelerated and rotated from the steering shaft in the steering post 10 through the steering case by a turning operation of the steering wheel. Steer and steer.

  The seedling planting part 6 is mounted on the rear part of the vehicle body through a lifting link mechanism 7 so as to be lifted and lowered by a telescopic operation of the lifting hydraulic cylinder 8 and is operated by a planting lifting lever 15.

  In addition, the seedling planting section 6 puts mat seedlings and reciprocates left and right to supply the seedlings to the seedling outlets 11b,... When supplied to the seedling outlet 11b, ..., seedling tank 11 for transferring seedlings downward by seedling feeding belt 11c, ..., 4 seedlings cut out by one planting seedling with planting tool 12 and planted in the soil It is set as the structure provided with the planting apparatuses 13 and 13, the float (side float) 14 and 14 which performs leveling, sliding on the seedling planting surface, the center float 14S, etc.

  A mission case 20 is disposed on the front side of the traveling vehicle body 1, and a front wheel axle case 16 extends laterally from the left and right side surfaces of the mission case 20, and a front wheel final is provided at both left and right sides so as to be capable of turning. The front wheels 2 and 2 are rotatably supported by the cases 17 and 17. Further, the front end portion of the main frame 21 is fixed to the rear surface portion of the mission case 20, and is fixed to the front end portion of the rear frame 22 extending from the rear end portion of the main frame 21 to the left and right sides. Further, the rear wheels 3 and 3 are rotatably supported by the rear wheel transmission cases 18 and 18.

  The engine E as a prime mover is mounted on the upper part of the main frame 21, and the rotational power of the engine E is hydraulically transmitted from the engine output pulley 24 through the belt 25 as an input transmission member 23 to the mission case 20. Is transmitted to the input pulley 27 shaft of the continuously variable transmission (HST) 26, and the hydraulic pump is driven from the input pulley 27 shaft. Further, from the output shaft of the HST 26 to the inside of the mission case 20. To be transmitted to the mission. The rotational power transmitted to the mission in the case 20 is shifted by the transmission in the case 20, and then branched into traveling power and external power to be taken out. The traveling power drives the rear wheels 3 and 3 from the front wheels 2 and 2 and the rear wheel transmission shaft 19 through the gear mechanisms of the rear wheel transmission cases 18 and 18. Further, the external take-out power is transmitted as an output transmission system from the transmission case 20 to the planting transmission shaft via the safety clutch in the safety clutch case, and further transmitted to the seedling planting unit 6 by the planting transmission shaft. In addition, power is transmitted to the fertilizer application device 29.

  The vehicle body cover portion 30 of the traveling vehicle body 1 includes a bonnet 31 that covers various operation mechanisms of the operation box 4, an engine cover 32 that covers the upper part of the engine E, a fender 33 that covers the rear wheels 3 and 3, and an operator that can walk. And a horizontal step floor 34.

  On the outer periphery of the step floor 34, a rising portion 35 for preventing slipping is projected. Further, a support frame 38 that supports the preliminary seedling stage 37 is provided on the step floor so as to protrude upward from the floor 34, and this support frame 38 is set at the outer peripheral edge of the left and right sides of the step floor 34. Thus, the structure is integrally fixed and supported.

  In the rising portion 35, a portion of the support frame 38 is formed in the vicinity of the support frame 38 so as to provide a notch groove 36 so that water accumulated on the floor flows out to the outside.

  The step floor 34 of the embodiment shown in FIG. 5 has a plurality of see-through holes 40f, 40f that are long in the left-right direction so that the positions of the front wheels 2, 2 can be seen through from the operating part at the portion corresponding to the upper side of the left and right front wheels 2, 2. .. Are provided, and a guide groove 41 that is long in the front-rear direction is provided in communication with the two front and rear fluoroscopic holes 40 f and 40 f among the plurality of fluoroscopic holes 40 f. And can be guided. Between the perspective holes 40f1 to 40f5, the front side is longer in the lateral width direction, and the rear side is shorter, so that when the front wheel is turned inward, the perspective hole is opened at an angle where the front wheel is inclined, The position of the front wheel is easy to see. When the front wheel is released to the outside, the front end protrudes outward from the step floor, so that the front wheel position can be easily confirmed without making a hole in that direction.

  Further, by providing laterally long see-through holes 40b... And long see-through holes 42 in the front-rear direction at positions corresponding to the upper portions of the rear wheels 3 and 3, the step rigidity can be improved. The front-rear direction see-through holes 42 can also be configured to serve as guide grooves for the saddle clutch lever, for example.

  As shown in FIG. 6, the see-through holes 40f and 40b of the step floor are configured so that the inner peripheral edge of the hole is bent upward to provide the projection 40j. Increased rigidity and better anti-slip effect can be achieved.

  In the embodiment shown in FIG. 7, the engine cover 32 is mounted on the upper portion so that the driver's seat 9 can be swingably opened and closed around the fulcrum P, and the step supports a step floor different from the support member on which the engine E is mounted. By supporting the support frame 22, vibration from the engine E is not directly transmitted.

  In the embodiment shown in FIG. 8, in a rice transplanter equipped with an engine of a cell starter / recoil starter specification, the engine is usually started in the cell, and the recoil is used for emergency. An emergency recoil knob 43 is provided on the side of the engine E in the engine cover 32. The engine cover can be opened and closed. In an emergency, the engine cover is opened and the recoil is pulled upward to start the engine.

  In the embodiment shown in FIG. 9 and FIG. 10, the balance weight is mounted on the front part of the rice transplanter. The weight 45 can be attached to the front frame 28 fixed to the front ends of the left and right main frames 21 and 21. The upper surface of the weight is a flat surface, and the front surface of the step floor 34 is supported on the upper surface of the weight. By using the upper surface of the weight as the receiving surface of the step floor, the floor can be stably supported. Also, when getting on and off the rice transplanter from the front, it is possible to get on and off the area where the weight is received by the step, so that even a thin step such as an iron plate can sufficiently withstand the load.

  The embodiment shown in FIGS. 11 and 12 is an auto-throttle configuration that adjusts the throttle of the engine in conjunction with the forward / reverse operation of the HST lever, and the HST lever 47 moves forward from the neutral position N along the lever guide groove 48. To the forward zone by operating from the neutral position N to the backward R, and to the idling state when the HST lever is in the neutral position N, and to the neutral position N of the HST lever in the forward / backward low speed region. To the forward / reverse operation path N ′ so that the throttle is raised. Further, by enabling the outer receiving portion 50 of the throttle cable 49 to be rotated around the pin shaft 51, the throttle adjustment can be performed with one cable for both forward and backward travel. In addition, by making the outer receiving portion movable and adjustable in the cable pulling direction, the throttle rotation at the start of movement can be changed and adjusted as appropriate.

  1: traveling vehicle body, 2: front wheel, 6: seedling planting part, 22: step support frame, 28: front frame, 34: step floor, 40b: horizontally long see-through hole, 40f: see-through hole through which the position of the front wheel can be seen through, 40j: protrusion, 41: guide groove, 42: front and rear see-through hole, 45: weight

Claims (5)

In a riding type seedling transplanter provided with a seedling planting part (6) that can be moved up and down at the rear part of the traveling vehicle body (1), the position of the front wheel (2) is located on the step floor (34) of the traveling vehicle body (1). A plurality of fluoroscopic holes (40f) that can be seen through are provided, and only in some of the fluoroscopic holes (40f), the front side (2) is longer inward in the lateral width direction in accordance with the angle at which the front wheel (2) can be cut inward. A seedling transplanting machine configured so that when the front wheel (2) is cut outward, the front end of the front wheel (2) protrudes outward from the step floor (34) . In a riding type seedling transplanter provided with a seedling planting part (6) that can be moved up and down at the rear part of the traveling vehicle body (1), the position of the front wheel (2) is located on the step floor (34) of the traveling vehicle body (1). A plurality of fluoroscopic holes (40f) that can be seen through are provided, and only a part of the fluoroscopic holes (40f) is configured to be long inward in the lateral width direction toward the front, and among the multiple fluoroscopic holes (40f), A seedling transplanter provided with a guide groove (41) that is communicated with the front and rear fluoroscopic holes (40f) and opened long in the front and rear directions . In a riding type seedling transplanter provided with a seedling planting part (6) that can be moved up and down at the rear part of the traveling vehicle body (1), the position of the front wheel (2) is located on the step floor (34) of the traveling vehicle body (1). A plurality of fluoroscopic holes (40f) that can be seen through are provided, and only a part of the fluoroscopic holes (40f) is configured to be long inward in the lateral width direction toward the front side, and in the upper part of the rear wheel (3) A horizontal see-through hole (40b) and a long see-through hole (42) in the front and rear are provided. The see-through hole (40f) and the horizontally long see-through hole (40b) through which the position of the front wheel (2) can be seen are bent upward at the inner peripheral edge. A seedling transplanter provided with a projecting portion (40j) constructed . A guide groove (41) that is long and open in the front and rear directions is provided through the front and rear fluoroscopic holes (40f) of the plurality of fluoroscopic holes (40f), and a horizontally long fluoroscopic hole (40b ) is provided in an upper portion of the rear wheel (3). ) And a long see-through hole (42) on the front and rear, and the see-through hole (40f) and the horizontally long see-through hole (40b) through which the position of the front wheel (2) can be seen are formed by bending the inner peripheral edge upward. The seedling transplanter according to claim 1 , further comprising a portion (40j).   A weight (45) is attached to the front frame (28) of the front of the machine body, and the upper surface of the weight (45) is flattened, and the step floor (34) is received and supported by the upper surface of the weight (45). The seedling transplanter according to any one of claims 1 to 4, which is configured.

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