JP2002037133A - Sulky rice transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a machine body cover for safely performing work, easily performing work as much as possible when performing car body central part side maintenance by standing on the car body side while arranging steps on the left and right for easily getting on and off a car and having the small and compact constitution in a sulky rice-transplanter. SOLUTION: In this sulky rice-transplanter for detachably covering a car body with the machine body cover 40 having a floor 41, the machine body cover 40 is constituted laterally wider in a rear end part than a front end part in a machine body plan view, and rear end left and right side parts 41a of the machine body cover 40 are positioned above a front part of left and right rear wheels 16, and the steps 44 lower than an upper surface of the floor 41 are formed in left and right both side parts of the front side machine cover 40 of the rear end left and right side parts 41a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention belongs to the technical field of a riding rice transplanter in which a body cover having a floor is covered on a vehicle body.

[0002]

2. Description of the Related Art Conventionally, as shown in Japanese Patent Application Laid-Open No. Sho 60-34106, there is a riding rice transplanter in which a body cover having a floor is covered on a vehicle body. Some were provided with steps lower than the top of the floor.

[0003]

SUMMARY OF THE INVENTION
The upper part of the front of the left and right rear wheels is exposed in plan view, so when traveling in a paddy field, mud jumps up to the upper surface of the aircraft cover, and a large amount of mud adheres to the upper surface of the floor of the aircraft cover, If the vehicle moves on the floor of the body cover while working, it may slip and become a dangerous state.

[0004] Generally, a riding rice transplanter is provided with a high vehicle height for traveling in a soft paddy field. Therefore, the floor upper surface is provided at a high position of the vehicle body, and it is difficult to get on and off. Therefore, as in the above-described related art, another step lower than the upper surface of the floor is provided on both left and right sides of the vehicle body to facilitate getting on and off the vehicle.

[0005] However, since the steps protrude to the left and right sides of the vehicle body, when the maintenance of the center part of the vehicle body is performed while standing on the side of the vehicle body, the steps hinder the body from approaching the vehicle body. There was a difficult side. Therefore,
The present invention relates to a riding rice transplanter that can perform work safely, and can easily perform getting on and off, while providing steps on the left and right, while performing maintenance on the center part of the body while standing on the side of the body as much as possible. It is an object of the present invention to make it easy to perform, and to provide a small and compact body cover having a simple configuration.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a riding rice transplanter having a body cover 40 having a floor 41 detachably mounted on a vehicle body. The rear end is wider than the front end in the left and right directions, and the rear end left and right sides 41 of the body cover 40 are formed.
a, 41a are located above the front portions of the left and right rear wheels 16, 16 and the body cover 40 on the front side of the rear left and right side portions 41a, 41a located above the front portions of the left and right rear wheels 16, 16. Steps 4 lower than the upper surface of floor 41 on both left and right sides
This is a riding rice transplanter in which 4,44 are formed.

Accordingly, the body cover 40 is configured such that the rear end thereof is wider than the front end in the plane of the body in the left-right direction in plan view, and the left and right side portions 41a, 41a of the rear end of the body cover 40 are the left and right rear wheels 1.
The front end of the fuselage cover 40 is narrower left and right to improve the turning performance of the fuselage on the ridge side, while the rear end of the fuselage cover 40 is located at the upper left of the front end of the fuselage cover 40. 41a, 41a are located above the front portions of the left and right rear wheels 16, 16 and are located on the floor 41 of the body cover 40.
6 prevents the mud from jumping up, the mud is less likely to adhere to the floor 41, and the worker can safely move on the floor 41, and the workability is good.

A step 4 lower than the upper surface of the floor 41 is provided on both left and right sides of the front body cover 40 of the rear left and right side portions 41a, 41a located above the front portions of the left and right rear wheels 16, 16.
Steps 4 and 44, which are smaller than the upper surface of the floor 41, are provided on both left and right sides with a compact and compact structure.
The body cover 40 formed with 4, 44 can be obtained.
At the time of getting on and off, the steps can be performed using the steps 44, 44 lower than the upper surface of the floor 41 formed on the right and left sides of the body cover 40. When the maintenance of the center part of the body is performed while standing on the side of the body, the work is performed. Therefore, when the body cover 40 is removed, since the steps 44, 44 are formed on the body cover 40, the steps 44, 44 are also removed together with the body cover 40. 44, 44 does not get in the way.

[0009]

Thus, in a riding rice transplanter in which the body cover 40 having the floor 41 is detachably mounted on the vehicle body, the body cover 40 is configured such that the rear end portion is wider left and right than the front end portion in plan view of the body. The rear left and right side portions 41a, 41a of the body cover 40 are positioned above the front portions of the left and right rear wheels 16, 16, and the rear left and right sides of the rear cover 16 are positioned above the front portions of the left and right rear wheels 16, 16. Since the step 41, 44 lower than the upper surface of the floor 41 is formed on both left and right sides of the body cover 40 on the front side of the parts 41a, 41a, the riding rice transplanter is used, so that the body cover 40 is formed in a compact, compact and simple configuration. In addition to this, it is possible to perform work safely, to get on and off the vehicle easily, and to easily perform maintenance on the central portion of the vehicle body.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS. 1 to 8 show an embodiment of the present invention, in which a working machine part 3 for planting rice is attached to a rear part of a power farming machine 2 and used as a riding rice transplanter 1. It shows.

The power agricultural machine 2 has a transmission case 5 and a differential case 9 integrated with the transmission case 5 at the front of the body, and has left and right front axle cases 10 and 10 from both sides of the differential case.
10 protrudes outwardly, and has a front wheel support case 1 at its end.
The left and right front wheels 12, 12 are pivotally supported at the lower end of the front wheel support case. A steering case 13 is provided at a front portion of the mission case 5, and a steering wheel 13b is attached to an upper end portion of a steering shaft 13a protruding upward therefrom.

A front end of a main frame 7 extending rearward is fixedly connected to a rear surface of the differential case 9, and a rear case 14 is provided at a rear end of the main frame. Chain cases 15, 1 are provided on both left and right ends of the rear case.
5 are attached rearward, and the left and right rear wheels 1
6 and 16 are respectively supported. The rear case 14 is located substantially in the middle between the front wheel 12 and the rear wheel 16 in a side view, and an engine base 19 is mounted horizontally on the rear case.
An engine 20 is provided thereon.

The output shaft 22 of the engine is provided to protrude forward,
The extension shaft 23 is provided forwardly above the transmission case 5. As shown in FIGS. 3 and 4, a transmission input shaft 24 projecting forward from the transmission case 5 and a counter shaft 25 having substantially the same height as the input shaft are provided below the extension shaft 23. Extension shaft 23
Is transmitted to the transmission input shaft 24 via the counter shaft 25 via a belt. That is, in the belt type transmission A, one belt 27 is stretched between the pulley 23a of the extension shaft and the pulley 25a of the counter shaft, and the pulley 25a of the counter shaft and the pulley 24a of the transmission input shaft are stretched.
The two belts 28 and 29 are stretched between them.
The transmission mechanism from the counter shaft 25 to the transmission input shaft 24 is configured as a subtransmission / belt clutch, and a tensioned pulley 30 tensions one of the belts (28, 29) to perform a low-speed or high-speed transmission. The state can be switched to a state in which both clutches are loosened to stop transmission by loosening both clutches.

The power input from the transmission input shaft 24 to the mission case 5 is taken out as a traveling system output and a working system output. The running system output is divided into a front wheel drive output and a rear wheel drive output in a differential case 9, and the front wheel drive output is transmitted to the front wheels 12 via transmission means in the front axle case 10 and the front wheel support case 11, and the rear wheel drive output Is transmitted to the rear case 14 via the rear wheel transmission shaft 32 and transmitted to the rear wheel 16 via transmission means in the rear case and the chain case 15. On the other hand, the working system output is transmitted to the rear end of the machine body via the working unit transmission shaft 33, from which the PT
The information is transmitted to the work area 3 described later via the O-axis 34.

The body cover 40 to be put on the chassis configured as described above has a flat riding floor 41.
And a front cover portion 42 that protrudes from the floor and covers an upper portion of the front end of the fuselage, and an engine cover portion 43 that covers an upper portion of the engine 20 and the like. Steps 44, 44 for getting on and off the vehicle, which are one step lower than the floor, are formed on both left and right sides.

A steering post 46 containing the steering shaft 13a is installed upward from the front cover portion 42, and the steering post cover 4 is provided therearound.
7 are provided. At the upper end of the steering post cover 47, the steering wheel 13b, an operation panel 48 to which various operation levers and meters are attached,
A headlight 49 and the like are provided. Operating pedals 50,... Are provided at the lower left and right feet slightly behind the steering post 46. These steering wheel 13b, operation panel 48, operation pedal 50,
, And the cockpit 5 on the engine cover 43.
2 are installed. A notch 43a for accommodating a link device 80 to be described later is formed at a rear portion of the engine cover 43, and rear ends 41a and 41a of the floor are provided at rear wheels 16 and 41, respectively.
It is formed in a slanted shape avoiding 16.

As shown in FIG. 5, the body cover 40 is separated back and forth along a division plane XX. The division surface XX connects the front cover portion 42 in the vicinity of the steering post 46 to the front and rear, and the surface that passes right above the front wheel axle and divides the left and right sides of the floor 41 back and forth. It is composed of front and rear surfaces. Therefore,
The front cover 40a has a substantially concave shape in plan view, and can be easily removed from the body by moving the front cover forward with the fixing bolts and the like removed. 53, 54 in the figure
Are notches for disposing the operation pedals 50,...

The front cover 40a is supported in a state where it is placed on a horizontal front stay 57 fixed to the front axle cases 10, 10 and weights 56, 56 for adjusting the weight balance provided on both sides of the front end of the body. Have been. The rear cover 40b is provided with the front stay 57, the rear case 1
Central stays 59, 59 erected from a horizontal frame 58 protruding from the side of the fourth case 4, and left and right chain cases 15, 15
Are supported on the rear stays 60, 60 erected from the horizontal frame 58.
Steps 44, 44 are supported at both ends. That is, the rear end of the front cover 40a and the front end of the rear cover 40b are supported by the front stay 57, which is a common support member. Therefore, there is no step difference between the two in the mounted state, and by using the supporting member in common, a simple structure with a small number of parts is obtained. Moreover,
The front stay 57 is a front cover 4 near the notches 53 and 54.
0a and the front end of the rear cover 40b are supported, so that the notches 53 and 54 are divided into two front and rear parts, but the edges of the notches 53 and 54 are worked. When a person comes on, the part flexes greatly and slips the foot, or the part flexes and the foot is hooked on a step, and the edges of the notches 53 and 54 flex too much. It is difficult for that part to be damaged. Further, the front stay 57 is also used as a member for determining a stop position in response to a return of an operation pedal such as a foot brake. The structure of the support portion of the rear cover 40b by the rear stay 60 is such that a pin 63 for connecting the stay and the body cover is fixed by a leaf spring type patch lock 62 as shown in FIG. It can be fixed to the fuselage.

The riding rice transplanter 1 has a body cover 40 detachably mounted on the vehicle body and floors 41 on both left and right sides of a rear cover 40b of the body cover 40.
Are formed on the left and right sides of the rear cover 40b when the passenger gets on and off the vehicle.
When the maintenance of the central portion of the vehicle body is performed while standing on the side of the vehicle body, the rear cover 40b is removed to perform the work, and the steps 44 and 44 are removed together with the rear cover 40b. 44
Is also removed, so that the steps do not become an obstacle when the body is brought closer to the vehicle body.

The steering post cover 47 is also divided into a front portion 47a and a rear portion 47b near the center in the front-rear direction. The rear portion 47b is fixedly provided on the rear cover 40b, while the front portion 47a is detachably attached to the rear portion 47b. The structure of the mounting part is
As shown in FIG. 6, a plurality of bolt receivers 65 are provided along the edge of the rear part 47b, and a U-shaped notch 6 is formed in the edge of the front part 47a corresponding to the bolt receiver.
Are formed, and the two parts are integrated by tightening the bolt 67 to the bolt receiver 65 with the edges of both parts overlapped. Therefore, bolt 6
When the members 7,... Are loosened, the front portion 47a can be pulled out and removed, and the cables and the like housed inside can be easily inspected. Since the operation panel 48 and the headlight 49 are attached to the rear part 47b, they remain as they are even if the front part 47a is removed.

The engine 20 of this power agricultural machine is of a start-up type using a recoil motor, and has a knob 72 attached to a tip end of a rope 71 fed from a recoil motor 70.
Are provided on the floor beside the cockpit 52. FIG.
A cylindrical lobe holder 75 and a rope 76 are supported by a frame 74 projecting laterally from the engine base 19, and the operation unit is obliquely extended from the recoil motor 70. The rope 71 is turned upward by the rollers 76, and reaches the floor 41 through the inside of the rope holder 75. Since the rope 71 is biased toward the recoil motor, the knob 72 is always
Is formed at the upper end of the rope holder 75.
Is engaged. An upper portion of the rope holder 75 is integrally provided with a body cover receiving portion 78, and a rear cover 40b is attached to this portion with a bolt. Incidentally, reference numeral 79 in the figure denotes a vertical slit formed on the outer peripheral portion of the rope holder 75, and the rear cover 4
If the rope 71 is detached from the rope holder 75 through this slit when attaching / detaching 0b, the work is easy.

At the rear of the power farm machine 2, there is provided a link device 80 which supports the farm work machine section 3 and moves up and down as appropriate. In this link device 80, an upper link 82 and a lower link 83 are rotatably supported by a support frame 81 fixed to the machine body, and a connecting frame 85 for mounting a working machine portion is attached to the rear ends of these upper and lower links. Have been. Linking frame 8
At the lower end of 5, a rolling shaft 86 for rotatably supporting the working machine is protruded. By expanding and contracting a hydraulic cylinder provided between the rear portion of the rear case 14 and the link base 82a of the upper link, the connecting frame 85 is moved up and down while being held in a substantially constant posture, and the working machine mounted on the Part 3 is raised and lowered.

The working machine part 3 is for rice planting,
A transmission case 90 that is transmitted from the power farming machine via the PTO shaft 34, a seedling mounting table 91 that is provided above the transmission case and that is inclined so that the front side is higher, and holds the seedling at the tip. Planting claw 92a, and a planting rod 92 which takes out seedlings on the seedling mounting table 91 one by one while moving up and down while drawing a predetermined trajectory and planting them in a field. On the lower side, a center float 95 and a pair of left and right floats 9 for supporting the machine of the working machine part on the paddy surface.
6, 96 are pivotably mounted up and down. A rod 97 for detecting vertical movement is attached to the front part of the center float 95. When the float moves upward, the hydraulic cylinder 87 is extended to lift the working machine part 3, and when the float moves downward, the hydraulic cylinder The work machine portion 3 is lowered by contracting 87.

[Brief description of the drawings]

FIG. 1 is a side view of a riding rice transplanter.

FIG. 2 is a plan view of a riding rice transplanter.

FIG. 3 is a front view of a main part.

FIG. 4 is a side view of a main part.

FIG. 5 is a plan view of an airframe cover.

FIG. 6 is an explanatory view of a steering post cover.

7A and 7B are views showing a recoil operation unit, wherein FIG. 7A is a front sectional view, FIG. 7B is a side view, and FIG.

FIG. 8 is an explanatory view of an airframe cover supporter.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Riding rice transplanter 2 ... Power farming machine 3 ... Work implement part for rice transplanting 5 ... Mission case 12 ... Front wheel 16 ... Rear wheel 20 ... Engine 40 ... Body cover 40a ... Front cover 40b ... Rear cover 41 ... Floor 41a ... Left and right Side 44: Step 47: Steering post cover 52: Cockpit 57: Front stay 80: Link device

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Hideyuki Kusamoto 1 Tochi-cho, Tobe-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd. Engineering Department F-term (reference) 3D003 AA04 AA14 BB13 CA20

Claims (1)

[Claims] In a riding rice transplanter having a body cover 40 having a floor 41 detachably mounted on a vehicle body, the body cover 40 is configured such that a rear end portion thereof is wider left and right than a front end portion in plan view of the body, Rear end left and right sides 41 of cover 40
a, 41a are located above the front portions of the left and right rear wheels 16, 16 and the body cover 40 on the front side of the rear left and right side portions 41a, 41a located above the front portions of the left and right rear wheels 16, 16. Steps 4 lower than the upper surface of floor 41 on both left and right sides
A riding rice transplanter characterized by forming 4,44.