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Small-sized autocrane

A technology of small cars and cranes, applied to cranes, etc., can solve the problems of wasting manpower, delaying construction progress, increasing transportation costs, etc., and achieves the effects of saving manpower, reducing transportation costs, and compact structure

Inactive Publication Date: 2015-12-30
WUXI GANGSHENG HEAVY EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it not only wastes manpower and increases transportation costs, but also delays the construction progress.

Method used

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  • Small-sized autocrane

Examples

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Embodiment

[0021] Example: such as figure 1 As shown, it includes control valve 1, bracket 2, load limit rod 3, lower section arm 4, folding hydraulic cylinder 5, upper section arm 6, telescopic hydraulic cylinder 7, telescopic arm 8, hook 9, intermediate arm 10, lifting Lifting hydraulic cylinder 11, slewing mechanism 12, frame 13 and legs 14; the top of the control valve 1 is provided with a bracket 2 and one end of the bracket 2 is in close contact with the lifting hydraulic cylinder 11, and the lifting hydraulic cylinder 11 is The side is provided with a load limiting rod 3 and the load limiting rod 3 is arranged at one end of the lower section arm 4, and the side of the lower section arm 4 is provided with a folding hydraulic cylinder 5, and the folding hydraulic cylinder 5 is connected with the upper section arm 6 are tightly connected, and a telescopic hydraulic cylinder 7 is provided on one side of the upper section arm 6, and the tail end of the telescopic hydraulic cylinder 7 i...

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Abstract

The invention provides a small-sized autocrane which comprises an operating valve, a bracket, a loading limit rod, a lower knuckle arm, a foldable hydraulic cylinder, an upper knuckle arm, a telescopic hydraulic cylinder, a telescopic arm, a lifting hook, a middle arm, a lifting hydraulic cylinder, a swing mechanism, a rack and a supporting leg, wherein the bracket is arranged at the top of the operating valve; one end of the bracket is in close contact with the lifting hydraulic cylinder; the loading limit rod is arranged on one side of the lifting hydraulic cylinder, and is arranged at one end of the lower knuckle arm; the foldable hydraulic cylinder is arranged on one side of the lower knuckle arm; the foldable hydraulic cylinder is in close connection with the upper knuckle arm; the telescopic hydraulic cylinder is arranged on one side of the upper knuckle arm; the telescopic arm is fixedly connected with the tail end of the telescopic hydraulic cylinder; the lifting hook is arranged at one end of the telescopic arm. Pressure on the road surface by a vehicle below the autocrane is reduced, and a lifting arm does not need to be unloaded from the vehicle to be independently transported; compared with the conventional large-size autocrane, the labor is saved, the transportation cost is reduced, and the work efficiency is improved.

Description

technical field [0001] The invention relates to a crane, in particular to a small truck crane, which belongs to the field of mechanical lifting. Background technique [0002] A car crane is a kind of crane installed on an ordinary car chassis or a special car chassis, and its driving cab is set separately from the lifting control room. The chassis performance of the truck crane is equivalent to that of a truck with the same total weight, which meets the technical requirements of road vehicles, so it can pass unimpeded on various roads. This kind of crane is generally equipped with two control rooms for getting on and off the car, and the outriggers must be extended to keep it stable during operation. With the rapid development of my country's economic construction, construction sites have higher and higher requirements for the lifting capacity of cranes. Various companies have successively launched large-tonnage truck cranes to meet market requirements. [0003] However, l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C23/38B66C23/64
Inventor 陈大兴
Owner WUXI GANGSHENG HEAVY EQUIP CO LTD
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