JP2003011691A - Emergency stop lever device for farm working machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and safely perform a main clutch release operation by a clutch lever according to a handle holding posture of a worker and to safely operate a machine without hitting the clutch lever on the knee of the operator during a trailer towing work, in a farm working machine having wheel for traveling and rotary driven by an engine. SOLUTION: In this farm working machine, a loop-shaped main clutch release lever 11 interlocking with the main clutch lever 9 is provided on an upper side of a handle rod 5 in side view, left and right handle rods 6 are connected and provided, and this emergency stop lever 12 interlocking with the main clutch release lever 11 is provided to be formed short on lower sides of the handle rods 6 in side view on either one of the left and right handle rods 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a walking type agricultural working machine having a traveling wheel driven by an engine and a rotary, and more particularly to a main clutch disengagement lever and an emergency stop lever device provided at the rear of the machine body. .

[0002]

2. Description of the Related Art Conventionally, as is known in Japanese Patent Laid-Open No. 8-175212, a pair of left and right handle rods along the front-rear direction are provided with first gripping portions, respectively, and the first gripping portion is rocked back and forth to perform a main traveling operation. A main clutch lever for opening and closing the clutch is provided on the handlebar, and the rear ends of the pair of handlebars are bent inward to the inside of the left and right sides to form second sideways grips, respectively, and the main clutch for traveling is opened and closed. To operate the clutch auxiliary operation part,
It is already known that it is located between the second grips and is linked to the main clutch lever.

[0003]

As is already known, a main clutch lever is provided at the first grip portion, and a clutch auxiliary operation portion is provided between the second grip portions, and the two are interlocked and coupled.
The vertical positional relationship with respect to the handle rod is not clear in a side view.For example, not only is it inconvenient to disengage the clutch when turning the steering wheel at the edge of the ridge or when the handle is lifted high, but also when the trailer tow is started, the handle rod is suddenly moved. There is a possibility that the clutch auxiliary operation part may come into contact with the operator's knee by moving downward.

[0004]

The present invention has been made in view of the above circumstances, and has traveling wheels (3) and a rotary (4) driven by an engine (1) and is provided at the rear of the machine body. In a walk-type agricultural work machine having a main clutch lever (9) that is pivotally supported by an extended handle rod (6) and can be operated forward and backward by operating the
A loop-shaped main clutch disengagement lever (11) interlockingly connected to the main clutch lever (9) is provided above the handle rod (6) in a side view, and the left and right handle rods (6) are connected, and An emergency stop lever (12) interlockingly connected to the main clutch disengagement lever (11) is provided below the handle rod (6) in a side view, and further, the emergency stop lever (1)
The above problem was solved by forming 2) inward from one of the left and right handle rods (6) inward and providing a predetermined space in the center of the machine body.

(Operation) During general farm work and movement by the farm work machine of the present invention, when the main clutch lever (9) is operated back and forth to perform work / travel switching and stop, and only the clutch is disengaged. Can be performed by the loop-shaped main clutch disengagement lever (11), and further by the emergency stop lever (12) when the handle rod (6) is lifted high at the time of turning at the ridge.

Further, the emergency stop lever (12) is formed inwardly short from the handle rod (6) on either the left or right side, and a predetermined space is provided in the center of the machine body.
When the trailer is towed, the steering wheel rod (6) will not hit the operator's knees even if it falls downward.

The reference numerals in parentheses are for the purpose of contrasting with the drawings, but do not limit the structure of the present invention.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is an overall side view of an agricultural working machine according to an embodiment of the present invention.

The power of the engine 1 mounted in front of the airframe passes through the power transmission device 2 in the central portion of the airframe and, on the other hand, the wheels 3
To drive the machine body forward and backward, and on the other hand, drive the tines 5 of the rotary 4 mounted on the rear part of the machine body to cultivate the field.

The power transmission device 2 is provided at the upper center of the machine body.
A pair of left and right handle rods 6 extends rearward with the left and right sides sandwiched therebetween, and the left and right ends are connected in a loop shape as shown in FIG.

FIG. 2 is a side view of the rearmost portion of the handle rod 6, and FIG. 3 is a plan view thereof.

In FIGS. 2 and 3, a box-shaped control box 8 is mounted on the left side of the handle rod 6, and a U-shaped guide groove 7 opening forward is provided on the upper surface thereof.

A support shaft and a shifter for swinging the main clutch lever 9 back and forth and left and right are provided at the lower part of the control box 8, and the lower part of the main clutch lever 9 on the opposite side of the support shaft is connected to the front main part through the rope 10. The clutch and the gear shifter of the power transmission device 2 in the center of the machine body are connected.

The main clutch lever 9 shown in FIG. 3 swings back and forth and left and right along the U-shaped guide groove 7, but in the case of this embodiment, when it is tilted forward (9a), the clutch is engaged and tilted rearward. In the case (9b), the clutch is disengaged.

When the main clutch lever 9 is connected to the rear portion of the U-shaped guide groove 7 by selecting the left guide groove and tilting it forward, the vehicle travels at a low forward speed, and at the same time, the tine 5 of the rotary 4 is moved.
Is also driven into the cultivated state.

When the main clutch lever 9 is selected at the right side guide groove at the rear connecting portion of the U-shaped guide groove 7 and tilted forward, the vehicle travels at a high forward speed and is used for towing the trailer or moving the main body. Used. (At this time, the tine 5 of the rotary 4 is not driven).

Further, as shown in FIGS. 2 and 3, the main clutch lever 9 is mounted on the swing support shaft of the main clutch lever 9.
A main clutch disengaging lever 11 in the form of a loop, which swings in exactly the same way in the front-rear direction in conjunction with the front-rear direction, is disposed below the handle rod 6 in a side view, straddling the left and right handle rods 6. .

Further, in consideration of the operation of the emergency clutch disengagement when the operator is short and the handle bar 6 is lifted high at the time of turning around the ridge, as shown in FIG. Then, the emergency stop lever 12 swinging exactly the same back and forth is attached only to the left handlebar 6 inwardly below the handlebar 6 in a side view, and the center portion of the rear part of the machine body has a large predetermined space. keeping.

[0020]

With the above structure, according to the first aspect of the invention, one of the main clutch lever, the main clutch disengagement lever, and the emergency stop lever is used for the main clutch disengagement operation depending on the operator's holding posture of the handle rod. The aircraft can be stopped by simply turning off the two levers.

Further, since the main clutch disengaging lever is provided below the handle rod in a side view, it is easy for an operator with a short stature to use. Especially, a posture in which the rotary tine is lifted high from the ground to turn at the ridge. In the case of, the operation of disengaging the clutch is easy and safe.

According to the second aspect of the present invention, the main clutch disengagement lever is mounted so as to project inwardly from the left handlebar and holds a predetermined space in the center of the machine body. The safety is secured without hitting the operator's knee against a sudden downward movement of the handle rod due to the reaction force coming from the wheels.

[Brief description of drawings]

FIG. 1 is an overall side view of an agricultural working machine according to an embodiment of the present invention.

FIG. 2 is a side view of the rear handle portion according to the embodiment of the present invention.

FIG. 3 is a plan view of a rear handle portion according to the embodiment of the present invention.

[Explanation of symbols]

1 engine Three wheels 4 rotary 6 handle rod 9 Main clutch lever 11 Main clutch release lever 12 Emergency stop lever

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Mitsuru Hasegawa             Shimane Prefecture Yatsuka-gun Higashi Izumo-cho Ojiyacho 667             1 Within Mitsubishi Agricultural Machinery Co., Ltd. F term (reference) 3D036 EB03 EB15 EC18 GD01 GD07                       GF02 GH06 GH12 GJ14                 3J070 AA03 BA41 CA53 CC03 DA24

Claims (2)

[Claims] 1. A main body which has a traveling wheel and a rotary driven by an engine, is pivotally supported by a handle rod extending to the rear of the machine body, and can be operated for running / stopping by operating back and forth. In a walking type agricultural working machine having a clutch lever, a loop-shaped main clutch disengagement lever interlockingly coupled with the main clutch lever is provided above the handle rod in a side view, and the left and right handle rods are connected to each other, and An emergency stop lever device for an agricultural work machine, wherein an emergency stop lever that is interlockingly connected to the main clutch disengagement lever is provided below the handle rod in a side view. 2. The agricultural work machine according to claim 1, wherein the emergency stop lever is formed inwardly short from one of the left and right handle rods, and a predetermined space is provided in a central portion of the machine body. Emergency stop lever device.