Weight-balancing type lifting method and equipment

A technology of gravity balance and hoisting method, which is applied to cranes and other directions, and can solve the problems of large overturning moment and unusability of the fuselage

Inactive Publication Date: 2007-09-19
陈炯
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention aims at the problem that the fuselage of the hydraulic crane in the prior art bears a large overturning moment during the hoisting process, and cannot be used in special construction sites and special hoisting operations.

Method used

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  • Weight-balancing type lifting method and equipment
  • Weight-balancing type lifting method and equipment
  • Weight-balancing type lifting method and equipment

Examples

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Embodiment Construction

[0022] The following examples illustrate the gravity balance hoisting method and the gravity balance hydraulic crane of the present invention.

[0023] The gravity balance type hoisting method of the present invention comprises:

[0024] a. According to the needs of hoisting operations, operate the main hydraulic crane or auxiliary hydraulic winch, and put down the main hook or auxiliary hook;

[0025] b. According to the needs of hoisting operations, operate the boom hydraulic cylinder, folding hydraulic cylinder, luffing main boom and auxiliary boom into a certain shape and position;

[0026] c. Operate the jacking hydraulic cylinder to keep the main balance boom in a horizontal state;

[0027] d. According to the needs of hoisting operations, install the auxiliary balance boom;

[0028] e. According to the needs of hoisting operations, hang heavy objects in the main hook or auxiliary hook;

[0029] f. According to the needs of hoisting operations, operate the main and au...

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PUM

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Abstract

The invention relates to a gravity balance type hoisting method and a hoisting apparatus -a gravity balance type hydraulic hoist for hoisting heavy articles in different complicated terrains in field. The gravity balance type hydraulic hoist is composed by employing a general hydraulic hoist as the machine body, and mounting a gravity balance type hydraulic hoist and a moving counterweight on the machine body. The gravity balance type hydraulic hoist is composed of collapsible hoisting arms, hoisting arm bases, a master hydraulic winch and a slave hydraulic winch. The collapsible hoisting arms of the gravity balance type hydraulic hoist are mounted on the hoisting arm bases in a lever form, and the gravity balance type hydraulic hoist has multiple hoisting forms such as collapsible arm hoisting, balance hoisting, gantry hoisting, and tower hoisting. When hoisting a heavy article, the collapsible hoisting arms employ the balance moment balance portions of the master and slave balance hoisting arms to hoist the gravity moment of the heavy article according to the lever balance principle, thereby lowering the overturning moment of the gravity balance type hydraulic hoist body exerted by the gravity moment of the hoisted heavy article. Therefore, the invention is very suitable for use in special construction fields and special hoisting work of construction engineering of water conservancy, electric power, petrochemical industry and metallurgical industry.

Description

technical field [0001] The invention relates to a gravity balance hoisting method and hoisting equipment used in municipal construction, real estate development, traffic construction, water conservancy and electric power, petrochemical, metallurgical and mine construction projects, special hoisting sites, and special hoisting operations—gravity balance type Hydraulic crane, the gravity balance hydraulic crane has a folding arm, and has various hoisting methods such as folding arm crane, balance crane, gantry crane, and tower crane. Therefore, the machine has a wide use value in municipal construction, real estate development, transportation construction, water conservancy and electric power, petrochemical, metallurgical and mine construction projects. technical background [0002] The boom of the hydraulic crane is a multi-section telescopic boom, and the boom cannot be folded; the hook is located at the front end of the boom, and there is only...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C23/36B66C23/62B66C23/64B66C23/72
Inventor 陈炯
Owner 陈炯
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