JPH0725052U - Construction machine control lever device - Google Patents

Abstract

(57) [Summary] [Purpose] Of the various operating levers installed in the cab,
A wrist rest for putting your wrist on the left and right positions of the driver's seat, above the lever switch supported on the floor, just behind the operating lever and outside the movable range of the operating lever. The purpose is to install and facilitate fine operation of the lever. [Structure] A lever stand 3 standing up from a driver's cab floor 5 on a side portion of a driver's seat 4 is supported at one end on a floor or the like to form a fulcrum 6, and is attached rotatably in the front-rear direction of the driver's seat 4. A wrist rest 1 which is also used as a handle for moving the operating lever 2 and the lever stand 3 is attached to the upper end of the.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 This invention relates to an operating lever device for a construction machine.

[0002]

[Prior art]

 Conventionally, various operating levers provided in the cab of construction machines such as cranes are arranged in consideration of operability during work when the driver is seated.However, the operating lever during traveling obstructs steering wheel operation. In order to prevent the driver from getting in and out of the driver's seat, one end of the lever stand is supported on the floor of the driver's seat, and a handle for moving the lever stand is provided at the upper end. It is designed to be pushed backwards. Also, armrests are installed on the seats to reduce driver fatigue during work.

[0003]

[Problems to be solved by the device]

 However, as described above, when the operation lever is protruding above the lever stand, when the operation lever is finely operated by fingers, even if there is an armrest, the wrist cannot be supported, which makes fine lever operation difficult.

[0004]

[Means for Solving the Problems]

 The present invention has been made in view of the above problems, and a lever stand that rises from the floor of the operator's cab on the side of the seat is supported at one end on the floor so that it can be rotated in the front-back direction of the seat. Attached to the upper end of the lever stand, at the position just behind the operation lever and outside the movable range of the operation lever. The rest is attached.

[0005]

[Action]

 As described above, a wrist rest for placing a wrist is provided behind the upper end of the lever stand supported on the floor of the operator's cab so that it can be rotated rearward. Since it also serves as a handle for turning the stand, the turning operation is easy.

[0006]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. 1 is a side view showing an embodiment of an operating lever device, FIG. 2 is a front view, and FIG. 3 is a top view. In FIG. 1, the lever stand 3 is provided with various operation levers 2 on its upper end, and is provided with a wrist rest for placing a wrist just behind the operation lever 2 and at a position outside the movable range of the operation lever 2. A wrist rest 1 that doubles as a lever stand turning handle is attached. The lever stand 3 is rotatable in the lower part around a fulcrum 6 and the fulcrum 6 is fixed to the operator cab floor 5. As can be seen from FIG. 2, the lever stands 3 provided with the operating levers 2 are arranged on the left and right sides of the driver's seat 4 and have substantially the same structure.

When the driver finely operates the various operation levers 2, the wrist is not moved and the operation levers are moved by hitting only the fingertips. Therefore, the wrist rest 1 serves as a support for the wrist to facilitate the lever operation. Very useful for reducing fatigue.

These operating levers 2 are now arranged in consideration of the operability when working while the driver is seated on the driver's seat 4, but the operating lever 2 during traveling may interfere with the steering wheel operation. , The lower part of the lever stand 3 is supported from the driver's cab floor 5 etc. at the fulcrum 6 so as not to hinder the driver from getting in and out of the driver's seat 4, and the upper end also serves as a handle for moving the lever stand. The wrist rest 1 is used so that the wrist rest 1 can be tilted when rotated to the rear of the driver's seat 4.

[0009]

[Effect of device]

 As described in detail above, this invention has a wrist rest for putting a wrist on the rear upper end of a lever stand rotatably supported on the floor of the cab so that a fine lever operation can be performed. Not only can this be done easily, but since it also serves as a handle for turning the lever stand, the turning operation is also easier, contributing to improved work efficiency.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment of an operating lever device of the present invention.

FIG. 2 is a front view showing an embodiment of the operating lever device of the present invention.

FIG. 3 is a top view showing an embodiment of the operating lever device of the present invention.

[Explanation of symbols]

 1 wrist rest 2 operating lever 3 lever stand 4 driver's seat 5 driver's cab floor 6 fulcrum 7 proximity switch

Claims (1)

[Scope of utility model registration request] 1. An operation lever device arranged on both sides of a front part of a driver's seat so as to be able to retreat to a position where it does not interfere with operation of a steering wheel for driving or getting on and off the driver's cab. A lever stand that stands up from the floor of the cab,
One end is supported on a floor or the like to serve as a fulcrum, the seat is attached rotatably in the front-rear direction of the seat, and a wrist rest that doubles as an operation lever and a handle for turning the lever stand is attached to the upper end of the lever stand. A lever for operating construction machinery.