JPH07165128A - Riding type seedling transplanting vehicle - Google Patents

Abstract

PURPOSE:To improve the workability by locating a back part of a steering seat and a forward part of a seedling loading table on the upper part of rear wheels in the side view of a vehicle body, and extending the rear end of a vehicle body cover to the vicinity of a top part of the rear wheels rearward of the steering seat. CONSTITUTION:A vehicle body cover 12 is stretched to the lateral direction over a forward side frame part 10a of a frame 10, and a lateral wide stepped part 12a, an erected shape 12c to cover a prime mover 9, and right and left passages 12b, 12b are formed. A steering seat 15 is arranged on the upper part of the prime mover 9, and supported on a rear side frame 10c. The steering seat 15 is arranged on the upper part of the erected shape 12c, and a guide part for a lever as a transplanting clutch lever 17 and a hydraulic operation lever 18 is formed on the side of the steering seat. A back part of the steering seat 15 and the forward end of a seedling loading table 29 are located on the upper part of rear wheels 8. The rear end of the vehicle body cover 12 is extended to the vicinity of the top of the rear wheels 8 rearward of the steering seat 15.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a riding-type seedling planting machine equipped with a seedling planting device behind a riding-type traveling vehicle.

[0002]

2. Description of the Related Art As a conventional technique of this type, there is a riding type seedling planting machine as disclosed in Japanese Utility Model Laid-Open No. 53-107509. However, the conventional example is very large and has a long vehicle body, and is not a riding type seedling planter with good workability.

[0003]

SUMMARY OF THE INVENTION In order to solve the above problems, the present invention provides a body 1 equipped with front wheels 6 and rear wheels 8.
The vehicle body cover 12 is provided on the upper part of the vehicle body, and the seedling mount is arranged behind the passenger type traveling vehicle in which the control seat 15 is arranged on the rear portion of the vehicle body cover 12 so that the front portion is inclined higher than the rear portion. In a riding type seedling planter equipped with a seedling planting device 27 having a base 29, the backrest of the control seat 15 and the front part of the seedling mount 29 are located above the rear wheels 8 in a side view of the vehicle body. In addition, the rear end of the machine body cover 12 is provided to the rear of the control seat 15 and near the top of the rear wheel 8 to provide a riding type seedling planting machine.

[0004]

According to the present invention, the vehicle body cover 12 is provided on the upper portion of the vehicle body 1 equipped with the front wheels 6 and the rear wheels 8 and the control seat 15 is arranged on the rear portion of the vehicle body cover 12 for riding type traveling. In a riding-type seedling planter equipped with a seedling planting device 27 having a seedling mount 29 arranged so that the front portion is higher than the rear portion in the rear of the vehicle, the operator's seat 15 Since the backrest and the front part of the seedling stand 29 are located above the rear wheels 8, the length of the front part of the vehicle body can be set short and the workability is very good. Can be obtained.

Further, the backrest portion of the control seat 15 arranged on the rear portion of the body cover 12 is arranged to be located above the rear wheel 8 in a side view of the vehicle body, and the rear end of the body cover 12 is located above the control seat 15. Since it is a riding-type seedling planting machine that is installed at the rear and near the top of the rear wheel 8, the cover 12
The rear wheel 8 can prevent the rear wheel 8 from bouncing up the mud toward the control seat 15, and the operator seated on the control seat 15 must be It is possible to safely and easily operate the vehicle body in reverse while checking the rear wheel 8.

Therefore, it is possible to obtain a riding type seedling planting machine which is small in size, has good workability and is easy to control.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail with reference to the drawings. 1 is an airframe in which a front mission case 3 is fixed to the front end of a cylindrical frame 2 and a rear mission case 4 is fixed to the rear end thereof. Lateral cases 3a projecting outward are extended on both left and right sides of the boss 3, and bosses 4a having drive shafts facing outward are provided on both left and right sides of the rear mission case 4, and the bosses 4a face rearward and downward. The chain case 5 is attached. Reference numeral 6 denotes a front wheel, which is provided on the outer end side of the lateral case 3a so as to be transmission-driven via a transmission case 7 that faces downward. Reference numeral 8 denotes a rear wheel, which is rotatably supported by the rear end portion of the chain case 5 and is driven and driven. A prime mover 9 is mounted on the body 1. Reference numeral 10 denotes a frame, which has a quadrangular front frame portion 10a that is wide in the left-right direction in a plan view and the front frame portion
Intermediate frame part 1 whose front end is fixed to a and faces rearward and upward
0b and a rear side frame portion 10c which has a front end fixed to the intermediate frame portion 10b and extends horizontally rearward. The front side frame 10a is fixed to the machine body 1.

Reference numeral 11 denotes a column, which has a base portion fixed to a bracket 22 attached to the rear side of the mission case 4 and erected upward, and the upper end thereof is fixed to the rear frame 10c. Reference numeral 12 denotes an airframe cover, which has wide left and right wide step portions 12a fixed to and secured to the upper surface of the front side frame portion 10a of the frame 10 and a shape 12c standing upward from the wide left and right step portions 12a. A portion that extends to the intermediate frame portion 10b and the rear frame portion 10c to cover the prime mover 9, and a left and right passage portion 12b that extends from the left and right wide step portions 12a through the left and right sides of the case portion 13 described below to the front end of the vehicle body.・ It is composed of 12b.

Reference numeral 13 designates a case portion having a steering handle 14 disposed on the upper portion thereof, which is erected on the front left and right center portion of the left and right wide step portion 12a. Reference numeral 15 is a control seat, which is disposed above the prime mover 9 and is supported by the rear frame portion 10c. Therefore, the machine body cover 12 has left and right passage portions 12b, 12b which extend from the above-mentioned wide left and right step portions 12a to both sides of the case portion 13 and reach the front end of the vehicle body, and stands upward from the rear portion of the left and right wide step portions 12a. The control seat 15 is provided on the upper part in the installed shape 12c, and a guide portion 16 for an operation lever such as a planting clutch lever 17 and a hydraulic operation lever 18 is provided at a side position of the operation seat 15. It is composed.

Reference numeral 19 denotes a lifting link mechanism, which is a single upper link 19a made of a spring plate and a pair of left and right lower links 19b.
The base portion of the upper and lower links 19a
・ A parallel link is assembled by pivotally connecting the rear end of 19b with a hitch frame 20. Reference numeral 21 denotes a hydraulic cylinder device, in which a base portion of a cylinder 21a is pivotally attached to a bracket 22 to which the column 11 is attached, and a tip end of a piston 21b is connected to the upper link 19
It is pivotally attached to a. And this hydraulic cylinder device 2
1 is operated by the hydraulic circuit shown in FIG. In the figure, reference numeral 23 is a hydraulic pump, 24 is a switching valve, 25 is a hydraulic tank, and 26 is a relief valve.

Reference numeral 27 is a seedling planting device, which is a vertical transmission case 28b, 28 extending in the front-rear direction on both left and right sides of the horizontal transmission case 28a.
The seedling placing table 2 in a side view in which the front side faces upward is provided on the upper part of the planting section transmission case 28 having a U-shape in a plan view, to which the front side portion of b is attached.
9 is supported by the support frames 30 and 31 so as to freely reciprocate left and right,
A seedling planting rod 3 is provided at the rear end of the vertical transmission case 28b.
2 ... is attached via a crank and a swing arm,
The side floats 33, 33 and the central float 34 are arranged on the lower side of the vertical transmission cases 28b, 28b and the central portion thereof,
The rear part is pivotally attached to the planting part transmission case 28, and the front part is attached so as to be vertically movable. Reference numeral 35 is a rear mounting bracket, and 36 and 37 are front mounting expansion / contraction links. Reference numeral 38 is a lead cam shaft, which is supported by the left and right vertical transmission cases 28b, 28b in a form in which they are joined to the front end portions thereof.
The lead metal 39 is fitted and supported by engaging the lead claws with this, and the lead metal 39 is connected to the back side of the seedling mounting table 29 to reciprocate the seedling mounting table 29 left and right. ing. Reference numeral 40 denotes a rubber bellows body that covers the lead cam shaft 38.

Then, the seedling planting device 2 thus constructed
7 is rotatably mounted on the hitch frame 20 via a shaft in the front-rear direction, and each transmission unit on the seedling planting device side is driven from the rear mission case 4 side by a transmission shaft 41 having a universal joint. It is provided to be done. Reference numeral 42 denotes a spare seedling placing table, which is provided on both left and right sides of the control seat 15, and has a structure of a cage body 42b formed by a thin wire rod at the bottom of a frame 42a formed of a pipe.
This is the one that is integrally attached, and this spare seedling placing table 42
Is attached to the rear frame portion 10c, and the preliminary seedlings that have been raised in two stages in the upper and lower stages are put together with the seedling raising box from the front side in the frame 42.
It is configured so that the upper surface can be slid and accommodated.

Reference numeral 43 denotes an operating tool for operating a main clutch having a base portion provided on the side of the machine body 1. The operating portion is a hole 1 provided in a passage portion 12b located on the side of the case portion 13.
It is provided so as to penetrate 6 ′ and project from the machine body cover 12. In the figure, reference numeral 44 is a shift lever, and 45 is a throttle lever. In the configuration of the above example, after the seedling planting machine is installed in the paddy field and the seedlings are placed and housed on the seedling placing table 29 and the spare seedling placing table 42, power is transmitted to each part to start seedling planting work. On the side of the planting device 27, the floats 33 and 34 in the center and on the sides are installed on the surface soil surface of the paddy field and slid, and the seedling planting rod 32 reciprocates left and right to divide the seedlings one by one. Planted on the topsoil surface that has been leveled.

Then, when the seedlings on the seedling placing table 29 become small, the seedlings on the preliminary seedling placing table 42 may be taken out and replaced on the seedling placing table 29. When approaching the ridge line, the operator approaches the ridge A by bringing the tip of the body cover 12 of the seedling planting machine closer to the ridge A and interrupting the work. After descending from the vehicle body to the ridge through the passage 12b leading to the front end, the seedlings previously placed on the ridge are loaded on the preliminary seedling placement table 42. At this time, the operator can easily move between the control seat 15 and the ridge, and the workability is very good.

Further, the passage portion 12b on the side of the case portion 13 is provided.
An operating tool 4 for operating the main clutch by forming a hole 16 'in the
3 is provided, and the rear side is provided with a shape 12c that is erected above the step portion 12a, and the body cover 12 provided with the guide portions 16 and 16 of the operation levers 17 and 18 at the lateral position of the control seat 15 is provided. Since it has a structure of a passenger-running vehicle provided on the upper part of the vehicle, the steering wheel 14 and various operating tools 17 and 18 for the operator seated on the control seat 15 despite the small size of the vehicle body.・ 43 is a layout with good operability, and its maneuverability is very good.

Further, a machine body cover 12 is provided on the top of the machine body 1 equipped with the front wheels 6 and the rear wheels 8, and the machine body cover 1 is provided.
2 is equipped with a seedling planting device 27 having a seedling stand 29 arranged rearwardly of a passenger traveling vehicle having a control seat 15 on the rear part thereof so that the front part is higher than the rear part. In the riding type seedling planting machine, the backrest of the control seat 15 and the front of the seedling stand 29 are located above the rear wheels 8 in a side view of the vehicle body. It is possible to obtain a riding type seedling plant that can be set and has very good workability. Further, the backrest portion of the control seat 15 arranged on the rear portion of the body cover 12 is configured to be located above the rear wheel 8 in a side view of the vehicle body, and the rear end of the body cover 12 is located behind the control seat 15. Moreover, since the riding type seedling planting machine is provided up to the top of the rear wheel 8, the rear cover 8 can prevent the rear wheel 8 from bouncing up the mud toward the control seat 15 and the body can be used as a truck. When loading in the reverse direction or when going backward in a narrow ridge, the operator sitting on the control seat 15 can safely and easily operate the vehicle backward while checking the rear wheels 8.

[Brief description of drawings]

FIG. 1 is an overall side view of a riding type seedling planting machine.

FIG. 2 is a partially cutaway overall plan view of a riding type seedling planting machine.

FIG. 3 is an explanatory diagram of a hydraulic circuit operation.

[Explanation of symbols]

 1 Airframe 6 Front wheels 8 Rear wheels 12 Airframe cover 15 Control seat 27 Seedling planting device 29 Seedling platform

Claims (1)

[Claims] 1. A fuselage 1 equipped with front wheels 6 and rear wheels 8.
The vehicle body cover 12 is provided on the upper part of the vehicle body, and the seedling mount is arranged behind the passenger type traveling vehicle in which the control seat 15 is arranged on the rear portion of the vehicle body cover 12 so that the front portion is inclined higher than the rear portion. In a riding type seedling planter equipped with a seedling planting device 27 having a base 29, the backrest of the control seat 15 and the front part of the seedling mount 29 are located above the rear wheels 8 in a side view of the vehicle body. And a rear end of the machine body cover 12 is provided behind the control seat 15 and near the top of the rear wheel 8.