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Auxiliary arm of crane and crane

A technology for cranes and jibs, applied in cranes, portable hoisting devices, hoisting devices, etc., can solve problems such as product competitiveness decline, lower crawler crane working capacity, etc., achieve good stress distribution, increase axle length, and increase contact point effect

Pending Publication Date: 2019-08-06
ZHEJIANG SANY EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the reduction of the rated load will reduce the working capacity of the crawler crane, and the product competitiveness will decrease

Method used

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  • Auxiliary arm of crane and crane
  • Auxiliary arm of crane and crane
  • Auxiliary arm of crane and crane

Examples

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Embodiment Construction

[0060] The technical solutions of the present application will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0061] In the description of this application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, use a spec...

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Abstract

The invention relates to the technical field of engineering machinery, in particular to an auxiliary arm of a crane and the crane. The auxiliary arm comprises an auxiliary arm main body, a wheel shaftand an arm head pulley block, the auxiliary arm main body is provided with an arm head, the wheel shaft is arranged on the arm head, the arm head pulley block is arranged on the wheel shaft, the auxiliary arm further comprises a supporting seat, wherein the supporting seat is fixed on the arm head so as to support the wheel shaft. The auxiliary arm of the crane and the crane aims at solving the technical problem that the stress concentration of the matching part of a pulley shaft and the arm head is solved to a certain extent due to the fact that a steel wire rope spins.

Description

technical field [0001] The present application relates to the technical field of engineering machinery, in particular to a crane jib and the crane. Background technique [0002] According to the size of the turntable space, the crawler crane can adopt the design of single-lift hoisting mechanism or double-lifting hoisting mechanism. Since a hoisting hoisting mechanism is usually equipped with only one hoisting wire rope, the single hoisting hoisting mechanism adopts a single hoisting wire rope, and the double hoisting hoisting mechanism adopts the configuration of double hoisting wire ropes. When the crawler crane adopts the design of the double hoisting hoisting mechanism, usually two steel wire ropes can be used at the same time under the long-arm or super-long-arm working conditions, and only a single steel wire rope can be used under the relatively short working conditions of the jib. [0003] Such as Figure 7 and 8 As shown, traditionally, crawler cranes can use jib ...

Claims

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Application Information

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IPC IPC(8): B66C23/66B66D3/08
CPCB66C23/66B66D3/08B66D2700/028
Inventor 郭晓晨丁良刘涛秦绪起徐俊杰
Owner ZHEJIANG SANY EQUIP
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