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Crane

A crane and counterweight technology, applied in cranes, load hanging components, transportation and packaging, etc., can solve problems such as time-consuming and labor-consuming, and achieve the effect of solving time-consuming, labor-consuming and simple operation.

Active Publication Date: 2014-07-23
XCMG CONSTR MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The purpose of the present invention is to propose a crane, which solves the technical problems of time-consuming and labor-consuming in the prior art

Method used

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Embodiment Construction

[0068] Below through the accompanying drawings Figure 1 ~ Figure 3 And by way of listing some optional embodiments of the present invention, the technical solution (including the preferred technical solution) of the present invention is further described in detail. It should be noted that: any technical feature and any technical solution in this embodiment are one or more of a variety of optional technical features or optional technical solutions. All the alternative technical features and alternative technical solutions of the present invention are cited, and it is not convenient for the implementation of each technical feature to emphasize that it is one of the optional multiple implementation modes, so those skilled in the art should know: Any technical features and any technical solutions in the embodiments do not limit the protection scope of the present invention, and the protection scope of the present invention should include any alternative technical solutions that t...

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Abstract

The invention discloses a crane and relates to the technical field of engineering machinery. The technical problem of time-consuming and labor-intensive existing in the prior art is solved. The crane provided by the present invention includes a superlift counterweight luffing system, and the superlift counterweight luffing system includes a superlift counterweight, a power mechanism, a superlift counterweight pushing device and a superlift counterweight lifting device, and the superlift counterweight The push device includes a push base and a push piece, and the push piece and the push base are flexibly connected; the super-lifting counterweight lifting device includes a lift base and a lift piece, and the lift piece and the lift base are flexibly connected , the power mechanism can drive the lifting member and through the lifting member drive the superlift counterweight to rise or fall at least along the vertical direction relative to the lifting base. The invention can save time and labor for the amplitude-changing operation of the superlift counterweight.

Description

technical field [0001] The invention relates to the technical field of engineering machinery, in particular to a crane. Background technique [0002] A crane is a mechanical device that uses the principle of leverage for lifting operations. [0003] Within the allowable range of the structural strength of the crane, in order to improve the hoisting performance of the crane, the crane is equipped with a super-lift working condition. In the crane equipped with a super-lift working condition, the lifting weight and the super-lift counterweight A new lever mechanism is formed on the triangular bracket composed of masts, which increases the range (or: radius) of the superlift counterweight at the rear of the crane and the weight of the superlift counterweight to meet the requirements for the crane to lift more heavy objects or in a larger range. Under the lifting requirements. In the process of hoisting, the weight of the hoisted object on the crane and the weight of the overli...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66C23/76B66C23/82B66C13/16B66C13/40
Inventor 李香伟余钦伟张红松杨继海
Owner XCMG CONSTR MACHINERY