JPH07268907A - Traveling machine for construction - Google Patents

Abstract

PURPOSE:To do without performing work in the same posture for many hours, and reduce fatigue by arranging a guard member and foot rests in an operation seat, and making a work posture properly changeable by an operator. CONSTITUTION:A pair of left and right foot rests 8 are installed in an operation seat 4 arranged on a turning body above a traveling machine for construction, and when an operator places feet on them according to his necessity, work is made possible in a free work posture, and fatigue of the operatore is reduced. An almost U-shaped guard member 7 is integrally arranged in front of the operation seat 4 to prevent a fall or the like of the operatore so as to also serve as an installing member of the foot rests 8, and the number of part items is reduced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a traveling machine for construction such as a hydraulic excavator.

[0002]

BACKGROUND OF THE INVENTION Generally,
In this type of construction machine, for example, when it is a hydraulic excavator, a work machine such as a backhoe provided with a bucket is often attached as a front attachment, and in such a case, the operator works while sitting in the driver's seat. Will be done. And the operator
Even if the work is continued for a long time, there is a problem that it is easy to get tired and fatigue accumulates because it is necessary to maintain the sitting posture.

[0003]

SUMMARY OF THE INVENTION The present invention was devised with the object of providing a traveling machine for construction capable of eliminating these drawbacks in view of the above-mentioned circumstances. And a upper traveling body which is rotatably provided on the lower traveling body, and a guard member for guarding an operator sitting on a driver's seat in a front portion of the upper traveling body, It is characterized in that a footrest on which an operator's foot is put is provided.

According to the present invention, the fatigue of the operator can be reduced by this structure.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, one embodiment of the present invention will be described with reference to the drawings. In the drawings, reference numeral 1 denotes a lower traveling body of a hydraulic excavator, which is an example of a traveling machine for construction.
An upper revolving structure 2 is rotatably provided in the upper revolving structure 2, and a backhoe provided with a bucket 3 is attached to the upper revolving structure 2 as a front attachment so that a bucket operation can be performed. 4 is a driver's seat provided on the upper swing body 2, 5 is an operating lever provided on both left and right sides of the driver's seat, and 6 is a traveling lever provided in front of the driver's seat 4. All of these member devices are arranged in a conventional manner. It is set up.

Reference numeral 7 denotes a substantially U-shaped guard member which is integrally provided at the front end of the upper swing body 2. A pair of left and right footrests 8 are integrally provided at the upper edge of the guard member 7. However, the operator sitting in the driver's seat 4 can rest his / her feet when necessary.

The hydraulic excavator of this embodiment also has the following considerations. That is, the driver's seat 4 can be tilted forward so that the seat surface of the driver's seat 4 does not get rained at the end of work or the like, but the backrest 4a of the driver's seat 4 has When the traveling lever 6 is in the neutral position (braking position), the upper end portion of the traveling lever 6 is formed with a lever locking groove 4b which is just fitted and locked, and the traveling lever 6 is inadvertently moved forward and backward. Therefore, it is possible to prevent a problem such that the aircraft unexpectedly travels during maintenance.

On the other hand, 9 is a canopy which covers the upper side of the driver's seat 4, and a support column 10 which supports the canopy 9 is mounted on an engine hood (bonnet) 12 which covers an engine 11 mounted on the rear portion of the body so as to be openable and closable. It is provided integrally. Then, when the engine hood 12 is opened forward and upward in order to perform maintenance of the engine 11, the canopy 9 is tilted forward in conjunction with this, and the front end thereof is supported by the guard member 7. Incidentally, in this one, the canopy 9 is supported by a pair of right and left columns 10, and in this case, when the canopy 9 is tilted forward when the canopy 9 is tilted forward, an auxiliary rod 13 is interposed between both columns 10. Is designed to interfere with the driver's seat 4 so that the driver's seat 4 can be pushed forward, whereby the traveling lever 6 is kept in the neutral position during maintenance of the engine 11. Such interference with the driver's seat 4 on the pillar side does not require the auxiliary rod in the case where the pillar is provided behind the driver's seat 4 in an overlapping state, and the pillar directly interferes with the driver's seat.

In the embodiment of the present invention configured as described above, when the operator sits down on the driver's seat 4 to work, the operator can change his / her working posture by placing his / her foot on the footrest 8 as necessary. This can reduce operator fatigue.

As described above, in the embodiment of the present invention, the footrest 8 is provided so that the operator can work in a more free working posture. The footrest 8 for that purpose guards the operator. Since it is provided on the guard member 7 necessary for this purpose, the guard member 7 is also used as a footrest mounting member, and there is an advantage that the number of parts can be reduced.

Of course, the present invention is not limited to the above-mentioned first embodiment, and the support for projecting the footrest 8 from the step surface of the upper traveling body 2 as in the second embodiment shown in FIGS. It can also be implemented by being provided on the member 14.

[0012]

In summary, since the present invention is constructed as described above, the operator sits down in the driver's seat to work, but in this case, the operator places his foot on the footrest as necessary. It is possible to change the work posture as appropriate by this, and it is not necessary to work in the same posture for a long time,
It is possible to reduce operator fatigue.

[Brief description of drawings]

FIG. 1 is a side view of a hydraulic excavator.

FIG. 2 is a plan view of a hydraulic excavator.

FIG. 3 is a rear view of the hydraulic excavator.

FIG. 4 is an enlarged side view of a driver's seat section.

FIG. 5 is a front view of the hydraulic excavator.

FIG. 6 is an enlarged side view showing a usage state of a driver's seat section.

FIG. 7 is a side view of the hydraulic excavator showing an opened state of the engine hood.

FIG. 8 is a rear view of the hydraulic excavator showing an opened state of the engine hood.

FIG. 9 is an enlarged side view of a driver's seat section.

FIG. 10 is an enlarged side view showing a usage state of a driver's seat in a conventional example.

FIG. 11 is a front view showing a usage state of a driver's seat portion in a conventional example.

[Explanation of symbols]

 1 Hydraulic excavator 2 Upper revolving structure 3 Bucket 4 Driver's seat 4b Lever locking groove 5 Operation lever 6 Travel lever 7 Guard member 8 Footrest 9 Canopy 10 Strut 12 Engine hood

Claims (2)

[Claims] 1. A construction traveling machine comprising a lower traveling structure and an upper revolving structure rotatably provided on the lower traveling structure, wherein an operator seated in a driver's seat is provided in front of the upper revolving structure. A traveling machine for construction, characterized in that a guard member for guarding and a footrest for hanging the operator's foot are provided. 2. The construction machine according to claim 1, wherein the footrest is provided integrally with the guard member.