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Tracked crane

A technology of crawler crane and support mechanism, which is applied to cranes and other directions, can solve the problems of high cost, complex counterweight structure, small movable range, etc., and achieve the effects of improving lifting performance, large movable range and simple structure.

Inactive Publication Date: 2014-08-06
ZHEJIANG SANY EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The specific method is to change the existing rear counterweight into a mobile counterweight. The movable range of this counterweight is small, and the improvement of lifting performance is not obvious.
Or change the superlift counterweight into a mobile counterweight. This kind of counterweight has a complicated structure and needs to be realized by adding an auxiliary support frame under the superlift mast, which is costly

Method used

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  • Tracked crane
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Examples

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Embodiment Construction

[0037] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. Various preferred embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0038] combine Figure 1 to Figure 5 As shown, a kind of crawler crane that the embodiment of the present invention provides, comprises turntable 1 (referring to figure 1 ),Also includes:

[0039] Turntable extension mechanism 2 (see figure 2 ), arranged at the tail of the turntable 1;

[0040] Support mechanism 3 (see image 3 ), which is arranged at the tail of the turntable extension mechanism 2;

[0041] Track beam 4 (see Figure 4 ), one end of which is connected to the support mechanism 3, and the other end is connected to the turntable 1;

[0042] Counterweight support mechanism 5 (see Figure 5 ), which is slidably mounted on the track beam 4.

[0043] The cr...

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Abstract

The invention discloses a tracked crane. The tracked crane comprises a turntable, and further comprises a turntable extension mechanism arranged at the tail end of the turntable, a support mechanism arranged at the tail end of the turntable extension mechanism, a track beam and a balancer support mechanism mounted on the track beam in a sliding manner, wherein one end of the track beam is connected with the support mechanism, and the other end of the track beam is connected with the turntable. The tracked crane provided by the invention has a wide balancer moving range, can effectively increase the hoisting performance, and is simple in structure.

Description

technical field [0001] The invention relates to the field of engineering machinery, in particular to a crawler crane. Background technique [0002] Crawler crane is a kind of boom rotating crane that uses crawler to walk. The crawler crane has the characteristics of large crawler ground area, good passability, strong adaptability and load-carrying walking. Crawler cranes can perform various operations such as digging, ramming and piling, and are the main construction machinery for hoisting operations on construction sites. [0003] The counterweight is an important part of the crawler crane to ensure the stability of the whole vehicle. Generally speaking, the further back the counterweight is set, the more it helps to increase the lifting moment of the crane. However, the rear counterweight will increase the backward tilting tendency of the whole machine, causing the problem of unstable center of the crawler crane. In order to solve this technical problem, prior art also...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C23/36B66C23/62
Inventor 王亮陈卫刘正华
Owner ZHEJIANG SANY EQUIP
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