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Switch control device for front door of heavy engineering equipment

A technology of engineering equipment and switch control, applied in switches with brakes, application of locks, door/window fittings, etc. Safety accident, the effect of easy opening and closing of the front door

Inactive Publication Date: 2011-06-08
DOOSAN INFRACORE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention is proposed in order to solve the above problems, and is to provide a front door switch control device for heavy construction equipment that can be easily lifted when the front door is opened, and when the front door is lowered and closed, the risk of damage and accidents is less. developing

Method used

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  • Switch control device for front door of heavy engineering equipment
  • Switch control device for front door of heavy engineering equipment
  • Switch control device for front door of heavy engineering equipment

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Embodiment Construction

[0024] Generally speaking, heavy engineering equipment is also called civil machinery, which includes excavators, wheel loaders, forklifts, skid steer loaders, etc., and there are many types. Unmanned equipment can also be considered for heavy-duty engineering equipment, but most of the equipment currently in use adopts the way that operators can directly board and carry out engineering. Advantages of variable conditions.

[0025] Take an excavator as an example. Excavators are civil machinery used to excavate sand or rocks. They are used for homestead construction, road and sewer engineering, river reconstruction and water retaining engineering, tunnel and subway foundation engineering, mud and rock mining operations, forest land reclamation engineering, sand Equipment for various operations such as soil loading operations. Such an excavator may include: an undercarriage driven by crawlers or wheels; an upper revolving body provided with a driver's cab which is rotatably co...

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Abstract

The invention relates to a switch control device for the front door of heavy engineering equipment. When a switch is installed on the front door of a cab of heavy engineering equipment, the door can be easily lifted when the door is opened via a flexible element at the lower end of the front door, and the fast falling speed of the door due to gravity can be controlled when the front door is closed.

Description

technical field [0001] The present invention relates to the situation where the switch is equipped with the front door of the driver's cab of heavy engineering equipment. By providing the elastic body at the lower end of the front door, the front door can be easily lifted when opened and the front door can be opened and the rapid drop caused by gravity can be controlled when closed. Opening and Closing Control apparatus front door for heavy construction equipment. Background technique [0002] figure 1 It is a perspective view showing a cab of heavy construction equipment equipped with a front door, figure 2 It is a block diagram showing a state in which a front door is opened in a cab of conventional heavy construction equipment. [0003] refer to figure 1 and figure 2 , in the existing heavy engineering equipment cab 100, the front door 110 is closed in such a way as to be close to the cab frame 120 when closed. When the front door 110 is opened, the upper end shaft...

Claims

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Application Information

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IPC IPC(8): E02F9/16E05F15/02E05F3/00E05B83/42
Inventor 车俊镐
Owner DOOSAN INFRACORE CO LTD
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