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Crane supporting leg operating mechanism and crane with same

A control mechanism, crane technology, applied in cranes, bottom support structures, hoisting equipment braking devices, etc., can solve the problems of low safety, overturning of the whole vehicle, etc., and achieve the effect of high safety

Active Publication Date: 2015-05-20
ZOOMLION HEAVY IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the operating handle in the outrigger control mechanism of the crane is rigidly connected to the valve core in the valve, that is to say, the valve core and the operating handle move synchronously. When

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  • Crane supporting leg operating mechanism and crane with same
  • Crane supporting leg operating mechanism and crane with same
  • Crane supporting leg operating mechanism and crane with same

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Abstract

The invention provides a crane supporting leg operating mechanism and a crane with the same. The crane supporting leg operating mechanism comprises an operating handle (10), and an operating valve (20) with a valve core and also comprises an operating connecting rod (11), a valve core connecting rod (21) and a locking structure (30), wherein the operating connecting rod (11) extends in the first direction; the operating handle (10) drives the operating connecting rod (11) to move in the first direction; the valve core connecting rod (21) drives the valve core to move; the locking structure (30) comprises a locking piece (31); the locking piece (31) has a drive effectiveness state and a drive failure state; when the locking piece (31) is positioned in the drive effectiveness state, the valve core connecting rod (21) and the operating connecting rod (11) synchronously move in the first direction; and when the locking piece (31) is positioned in the drive failure state, the operating connecting rod (11) cannot drive the valve core connecting rod (21) to move in the first direction. The technical scheme of the invention has high safety.

Description

technical field [0001] The invention relates to the technical field of engineering machinery, in particular to a crane outrigger operating mechanism and a crane having the same. Background technique [0002] At present, the operating handle in the outrigger control mechanism of the crane is rigidly connected to the valve core in the valve, that is to say, the valve core and the operating handle move synchronously. When someone touches the operating handle unintentionally, it will cause the danger of the whole vehicle tipping over. It can be seen from the above that the safety of the existing crane outrigger operating mechanism is relatively low. Contents of the invention [0003] The present invention aims to provide a crane outrigger operating mechanism with higher safety and a crane with the same. [0004] In order to achieve the above object, according to one aspect of the present invention, a crane outrigger control mechanism is provided, including: a control handle;...

Claims

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Application Information

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IPC IPC(8): B66C5/00
CPCB66C5/00B66C2700/00
Inventor 陈华林彭友谊程映球
Owner ZOOMLION HEAVY IND CO LTD
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