JP2589613Y2 - Operation pedals for construction vehicles - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an arrangement of operation pedals of a construction vehicle such as a wheel loader.

[0002]

2. Description of the Related Art A construction vehicle such as a wheel loader is equipped with an operation pedal on a driver's seat floor. Conventionally, as this operation pedal, as shown in FIG.
, An accelerator pedal 1 and a brake pedal 2 on the right side of the steering column 6, and an inching valve 3 on the left side of the steering column 6. As shown in FIG.
That arranged inching and brake pedal 4 to the left of the steering column 6, as shown in FIG. 6, FIG. 4 or FIG.
5 has a foot-operated parking brake pedal 5 on the left side of the inching valve 3 or the inching and brake pedal 4.

[0003]

However, in the conventional construction vehicle, since the number of operation pedals provided on the driver's seat floor is large, there is not enough space, and the operator's feet are cramped and the livability is poor. There's a problem. FIG.
When the inching and brake pedals 4 and 4 are provided on the left and right as described above, the structure for interlocking them is complicated and the cost is high. Further, as shown in FIG. 6, a foot-operated parking brake pedal 5 is generally provided at a position where a footrest is provided.
In such a case, the operator may suddenly depress the foot-operated parking brake pedal 5 due to severe swinging of the vehicle during high-speed running or excavation work, and the construction vehicle may be suddenly stopped, which is dangerous. .

The present invention solves the above-mentioned problems in the operation pedal of a construction vehicle, and can improve the livability and workability by reducing the number of operation pedals and providing a margin for the operator's feet. The operator
Prevents accidental depression of the foot-operated parking brake pedal
It is an object of the present invention to provide an inexpensive operation pedal for a construction vehicle that can be operated.

[0005]

The operation pedal of the construction vehicle according to the present invention has an accelerator pedal on the right side of the steering column on the driver's seat floor and an inching and brake pedal on the left side of the steering column , and is a foot-operated parking brake.
It solves the problem by <br/> provided Rukoto between the scan tearing column and the accelerator pedal of the pedal.

[0006]

The accelerator operation is performed when the operator depresses the accelerator pedal, and the inching operation and the brake operation are performed when the inching and brake pedal are depressed. Since the number of operation pedals is small, the structure is simple, the feet of the operator are spacious and comfortable, and the operation is easy. Foot-operated parking brake pedal
Is generally not at the location where the footrest is located,
During high speed running or excavation work, etc.
Operator suddenly presses the foot-operated parking brake pedal.
There is no risk of the construction vehicle suddenly stopping
No.

[0007]

FIG. 1 shows an accelerator pedal and an accelerator pedal according to the present invention.
It is explanatory drawing of arrangement | positioning of an anchoring and brake pedal . Here, a steering column 6 having a steering wheel 8 at the upper end is erected on the driver's seat floor 7. The accelerator pedal 1 is on the right side of the steering column 6, and the inching and brake pedal 4 is on the left side of the steering column 6. Is provided. The accelerator pedal 1 performs an accelerator operation when the operator depresses the accelerator pedal. The inching / brake pedal 4 performs an inching operation or a braking operation depending on whether the operator depresses or depresses the pedal.

[0008] FIGS. 2 and 3, the foot of the embodiment of the present invention
It is explanatory drawing of arrangement | positioning of a type parking brake pedal. In this embodiment, a foot-operated parking brake pedal 5 is provided between the steering column 6 and the accelerator pedal 1 shown in FIG. According to this arrangement , since the foot-operated parking brake pedal 5 does not need to be provided at the position of the footrest as shown in FIG. 6, the foot-operated parking brake pedal 5 is suddenly depressed due to the swinging of the vehicle during high-speed traveling or excavation work. There is no risk of sudden stop. Incidentally, FIG. 4, or FIG operator operating accustomed to the arrangement of pedal 5 is intended depresses the brake pedal 2 and inching and brake pedal 4, it is considered possible that writing Stepping a foot parking brake pedal 5 by mistake As shown in FIG. 3, even when the accelerator pedal 1 is depressed from the lowest engine speed position L to the highest engine speed position H, a predetermined distance D is maintained between the accelerator pedal 1 and the foot-operated parking brake pedal 5. It is desirable to provide the foot-operated parking brake pedal 5 at a position deeper than the accelerator pedal 1 so as to make it difficult for the operator to depress the foot-operated parking brake pedal 5 during operation of the construction vehicle. During parking, the operator consciously steps on the foot-operated parking brake pedal 5, so that the operator can step from the parking brake release position R to the parking brake operating position B.

[0009]

[Effects of the Invention] As described above, the operation pedal of the construction vehicle of the present invention has a simple structure and is inexpensive because the number of operation pedals arranged on the driver's seat floor is small. There is room to improve comfort and operability, and the operator can accidentally step on the parking brake when swinging.
It is possible to prevent the rake pedal from being depressed .

[Brief description of the drawings]

FIG. 1 shows the accelerator pedal and the inching of the present invention.
It is explanatory drawing of arrangement | positioning of a brake pedal .

2 is an explanatory view of an arrangement of a foot-operated parking brake pedal of the real施例of the present invention.

FIG. 3 is an explanatory view of an arrangement of a foot-operated parking brake pedal according to the embodiment of the present invention.

FIG. 4 is an explanatory diagram of an arrangement of a conventional operation pedal.

FIG. 5 is an explanatory diagram of an arrangement of a conventional operation pedal.

FIG. 6 is an explanatory diagram of an arrangement of a conventional operation pedal.

[Explanation of symbols]

 Reference Signs List 1 accelerator pedal 2 brake pedal 3 inching pedal 4 inching and brake pedal 5 foot-operated parking brake pedal 6 steering column 7 driver floor

Claims (1)

(57) [Scope of request for utility model registration] 1. A construction vehicle equipped with a control pedal in the driver's seat floor, the accelerator pedal on the right side of the steering column, met operating pedal of construction vehicles arranged inching and brake pedal to the left of the steering column
Step between the steering column and the accelerator pedal.
Construction characterized by the provision of a parking brake pedal
Operation pedal of the vehicle.