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Device for maintaining safety support of scissor type lifting device

A technology of safety support and lifting device, which is applied in the direction of lifting device, lifting equipment safety device, etc., can solve problems such as accidents, and achieve the effects of avoiding accidents, simple structure, and convenient use

Inactive Publication Date: 2013-01-02
ZHEJIANG DINGLI MACHINERY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned scissor lift device needs to be stopped at a certain position during maintenance, and the scissor lift device has a downward trend. If the oil cylinder loses oil pressure during maintenance, the scissor lift device will will drop, resulting in an accident

Method used

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  • Device for maintaining safety support of scissor type lifting device
  • Device for maintaining safety support of scissor type lifting device
  • Device for maintaining safety support of scissor type lifting device

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Embodiment Construction

[0022] The specific implementation manner of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0023] As shown in Figure 1 and Figure 2, the aerial work platform consists of a fuselage 1, a machine base 2, a wheel travel device 3, an engine body 4, a scissor lift device, a fixed work platform 6, and a platform guardrail 7 , a platform locking device 8, a fuselage support device 9 and a movable work platform 10, the wheel running device 3 is arranged on the fuselage 1, the fuselage support device 9 is arranged on the four corners of the fuselage 1, and the fixed work platform 6 Set on the scissor lifting device 5, the work platform is composed of a fixed work platform 6 and a movable work platform 10 arranged at both ends of the fixed work platform 6, and the platform locking device 8 is arranged on the movable work platform 10.

[0024] As shown in Figure 3 and Figure 4, the scissor lifting device includes a scissor device...

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Abstract

The invention relates to an aerial working platform, in particular to a device for maintaining a safety support of an aerial working platform scissor type lifting device. In the device for maintaining the safety support of the scissor type lifting device, one end of a safety support arm of the device is hinged and arranged on one connecting rod, the other end of the safety support arm is providedwith a forked opening, and the forked opening is matched with the connecting rod just below the connecting rod hinged with the safety support arm; a safety arm locating device comprises a locating bolt and a locating plate; a fixed rod is arranged between two inner scissor construction members at the two sides, the fixed rod is welded with a fixed plate, and the locating bolt is arranged on the fixed plate; and the locating plate is arranged at the inner side of the safety support arm and is in an arc shape, the upper end and the lower end of the locating plate are respectively provided with locating holes, and the forked opening of the safety support arm is arranged on the connecting rod matched with the safety support arm when the locating bolt is inserted into the upper end of the locating plate. The device provided by the invention has the characteristics of simple structure and is convenient in application.

Description

technical field [0001] The invention relates to an aerial work platform, in particular to a maintenance safety support device for a scissor-type lifting device of an aerial work platform. Background technique [0002] The existing aerial work platform includes a fuselage, a walking device, a lifting device and a working platform. The working platform is arranged above the lifting device; Barrel lifting device. The scissor lifting device is such as the scissor lifting device of the aerial work platform disclosed in the Chinese utility model patent (application number: 200720114879.8, the application date: 2007-09-14). The scissor lifting device includes 2 sets of cross structures and drives 2 A set of oil cylinders with a cross structure, two sets of cross structures are respectively composed of several connecting rods hinged, and the two sets of cross structures are connected by connecting rods. The above-mentioned scissor lift device needs to be stopped at a certain posit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66F17/00B66F11/04
Inventor 许树根
Owner ZHEJIANG DINGLI MACHINERY CO LTD
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