JP2001278130A - Traveling vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance workability by widening the upper stage step floor, in order to solve the problem that in the traveling vehicle of an agricultural machine, upper and lower stage step floors are generally formed at a higher position and a lower position than the upper end of a wheel on a cover to cover the upper side of a wheel, however, since the upper stage step floor in particular has been narrowly formed in comparison, its workability has not been good particularly in relation to a work device provided in its rear side and lowering of work efficiency has been caused. SOLUTION: A cover 15 to cover the upper side of a traveling wheel comprises an upper stage step floor 16 disposed at a higher position than the upper end of the wheel, a lower stage step floor 17 disposed at a lower position than the upper end of the wheel, and an inclined part 18 inclining between the upper and lower step floors 16, 17 so as to parallel the circumference of the wheel, and an auxiliary step floor 16a is connectively provided in the almost same plane as the upper stage step floor 16 at the upper part of the inclined part 18.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a traveling vehicle having a step floor on a wheel cover.

[0002]

2. Description of the Related Art Generally, a traveling vehicle is provided with a cover for covering the upper side of a wheel, and furthermore, this cover has a step floor of two steps above and below the upper end of the wheel. Have been.

[0003]

Since the conventional step floor, particularly the upper step floor provided on the rear side of the vehicle, is relatively narrow, it is necessary to use the work equipment provided on the rear side in particular. In this connection, the workability is poor and there is a problem that the work efficiency is reduced.

An object of the present invention is to increase the width of the upper step floor and improve the workability by effectively utilizing the inclined portion along the outer periphery of the wheel of the wheel cover. for that reason,
The present invention has taken the following technical measures.

[0005]

That is, a first concrete means for solving the problem in the present invention is a cover 15 which covers the upper side of a traveling wheel, and which is an upper step floor 16 which is higher than the upper end of the wheel. And the lower step floor 17, which is lower than the upper end of the wheel, and the upper and lower step floors 16, 1
7 and an inclined portion 18 inclined along the outer periphery of the wheel. Above the inclined portion 18, an auxiliary step floor 16a is provided in substantially the same plane as the upper step floor 16.
Are continuously provided. As a result, especially, the upper step floor can be widened, and the moving range of the operator on this step is increased, thereby improving the workability.

The second concrete means for solving the problem in the present invention is, in addition to the first concrete means, an end of the auxiliary step floor 16a and a lower step floor 17a.
Are configured to be substantially coincident with each other in a plan view, so that the upper step floor can be made wider and the lower step floor can be effectively used.

[0007]

In summary, according to the present invention, in the cover for covering the upper side of the traveling wheel, the upper step floor higher than the upper end of the wheel, the lower step floor lower than the upper end of the wheel, It consists of an inclined portion inclined between the step floors so as to follow the outer circumference of the wheel, and an auxiliary step floor is provided continuously above the inclined portion in substantially the same plane as the upper step floor. The step floor can be widened, and the workability is extremely good in relation to the working device provided on the rear side. In particular, when the working device is a seedling planting section such as a rice transplanter, the work of replenishing seedlings in the seedling loading tank becomes easy, and the working efficiency can be improved.

[0008]

Embodiments of the present invention will be described with reference to the drawings. FIGS. 1 and 2 show a rice transplanter for 6-row planting as an example of a traveling vehicle, and a pair of left and right front wheels 2 and 2 and rear wheels 3 and 3 as traveling wheels are erected around a vehicle body 1. ing. The rear wheels 3, 3 have a larger diameter than the front wheels 2, 2. A control unit 6 having an operation box 4 and a steering handle 5 is provided at an upper front portion of the vehicle body, and a working device constituted by a seedling planting unit 7 can be moved up and down via a lifting link mechanism 8 at a rear portion of the vehicle body. Equipped. A driver's seat 9 is installed at the rear side of the control unit 6, and an engine 11 for transmitting power to various parts of the rice transplanter is mounted in an engine cover 10 below the driver's seat 9.

The seedling planting section 7 (working device) includes a seedling tank 12 that reciprocates left and right, a planting device 13 having a planting rod for cutting and planting seedlings for one plant, and planting them in the soil. It consists of a float 14 for leveling the surface. The front wheels 2, 2 and the rear wheels 3, 3
A cover 15 for covering the upper side is provided on the upper side. The cover 15 includes an upper step floor 16 higher than the upper end of the rear wheel 3, a lower step floor 17 lower than the upper end of the rear wheel 3, and an outer periphery of the rear wheel 3 between the upper and lower step floors 16,17. And an auxiliary step floor 16a is connected to the upper part of the upper part of the step floor 16 from the side of the upper step floor 16 in substantially the same plane. The upper step floor 16 is configured to be substantially wide.

The auxiliary step floor 16a is
The front end portion and the rear end portion of the lower step floor 17 are configured to extend to a related position where they substantially coincide on the vertical vertical line Y. Further, the auxiliary step floor has a structure in which the auxiliary step floor is firmly connected and held via a reinforcing member 19.

In the embodiment shown in FIGS. 3 and 4, the step floors A and B are divided into front and rear parts so that the step floors A and B can be integrally or independently attached to and detached from the vehicle body. The step floor B is detached after removing the step C. In this case, it is preferable that the engine cover C can be easily opened and closed and can be detached with a single touch. When removing the step floor A, the operation box D may be removed first, or it may be removed together with the operation box D, or each step box A may be removed independently.

Further, in the embodiment shown in FIG. 5, the step floors A and B can be divided into right and left, and an operation / operation unit C including an operation box with a steering wheel, an engine cover with a driver's seat, etc. is integrally attached and detached. So that you can
Then, step floors A and B are arranged on both left and right sides of the center driving operation unit C, so that the three units can be divided independently.

FIGS. 6 to 8 show a fixing device for locking the step mat to the step floor. When the step mat 20 is laid on the step floor 17, it can be locked to the locking rod 21 on the body side. It is configured to be locked and fixed via the step fixing hook 22.

The step fixing hook 22 has a hook portion 22a.
And a locking fixing portion 22c having a locking hole 22b,
The hook portion 22a is engaged with the locking rod 21, and a locking projection 20a protruding from the back side of the step mat 20 is fitted and locked into the locking hole 22b of the locking fixing portion 22c. The step fixing hook 22 is configured to be rotatable around the pin shaft 23.

FIG. 9 shows another embodiment of a locking device for a step mat, in which a step fixing hook 22 is integrally attached to the back surface of a step mat 20. On the left and right sides of the control device 6 at the front side of the vehicle body 1, seedling mounting frames 24, 24 for mounting spare seedlings are arranged. The seedling mounting frame 24 is supported by a support device 25 projecting upward from the vehicle body 1 side. (See FIGS. 11 to 1 for details.)
3) The support device 25 is composed of support frames 25a, 25b before and after standing vertically and an arch-like support frame 25c whose upper end is continuous in an arch shape in a side view.
And the rear support frame 25b is mounted and supported on the front axle case 28 via the auxiliary support frame 26 and the mounting member 27, and the front support frame 25a has at least Partially rear support frame 2
5b, it is bent so as to be displaced inward in the left-right lateral direction, and its lower end is mounted and supported on the bumper frame 30 of the bumper 29.

The front and rear support frames 25a, 25b
Between them, a weight locking plate 32 for locking and holding the balance weight 31 is mounted. The weight locking plate 32 is provided at substantially the same height as the upper surface of the step floor 17, and can be used as a step extension surface when there is no balance weight. Further, when the weight 31 is mounted, the mounting position of the locking plate 32 can be set to an appropriate height for mounting the weight.

[Brief description of the drawings]

FIG. 1 is a side view of a traveling vehicle (rice transplanter).

FIG. 2 is a plan view of a traveling vehicle (rice transplanter).

FIG. 3 is a side view of a traveling vehicle according to another embodiment.

FIG. 4 is a plan view of an essential part of the embodiment.

FIG. 5 is a plan view of a main part of another embodiment.

FIG. 6 is a plan view of a main part of another embodiment.

FIG. 7 is a cut-away side view of a main part of the same.

FIG. 8 is a perspective view of a main part of the same.

FIG. 9 is a cut-away side view of a main part of another embodiment.

FIG. 10 is a side view of a main part of a rice transplanter according to another embodiment.

FIG. 11 is a plan view of a main part of the above.

FIG. 12 is a front view of a main part of the above.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Body, 2 Front wheel 3 Rear wheel 4 Operation box 5 Steering handle 6 Control part 7 Seedling placement part 8 Elevating link mechanism 9 Driver's seat 10 Engine cover 11 Engine 12 Seedling tank 13 Seedling placement device 14 Flow
G 15 Cover 16 Upper step floor 16a Auxiliary step floor 17 Lower step floor 18 Inclined part 19 Reinforcement member

Claims (2)

[Claims] 1. A cover for covering an upper side of a traveling wheel,
It consists of an upper step floor higher than the upper end of the wheel and a lower step floor lower than the upper end of the wheel, and an inclined portion inclined along the outer periphery of the wheel between the upper and lower step floors. A traveling vehicle, wherein an auxiliary step floor is continuously provided in substantially the same plane as an upper step floor. 2. The traveling vehicle according to claim 1, wherein the auxiliary step floor is configured such that an end of the auxiliary step floor and an end of a lower step floor substantially coincide with each other in plan view. .