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Movable counterweight assembly

A technology of counterweight assembly and counterweight, which is applied to earth movers/shovels, construction, etc., can solve problems such as inconvenient maintenance and maintenance, difficulty in disassembling the counterweight of excavators, etc., to improve maintenance convenience, High work efficiency and easy operation

Inactive Publication Date: 2015-01-14
LIUGONG CHANGZHOU MACHINERY +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a movable counterweight assembly, which can solve the problems of difficult disassembly of the counterweight of existing excavators and inconvenient maintenance and maintenance of important parts such as engines and hydraulic pumps

Method used

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Embodiment Construction

[0014] The present invention will be described in further detail below in conjunction with accompanying drawing embodiment:

[0015] like figure 1 , figure 2 The present invention shown, it comprises counterweight main body 6, and this counterweight main body 6 its two ends are provided with guide rail 4 respectively, is connected with the guide groove 3 that is arranged on platform 1 by two guide rails 4 slidingly; Platform 1 is provided with Oil cylinder 7, the piston rod of the oil cylinder 7 is fixedly connected with the connecting seat 10 on the counterweight body 6; the guide groove 3 is provided with a stroke limit groove, and the guide rail 4 is provided with a limit pin 2; On the fixed seat 9 of the heavy body 6, the guide groove 3 is welded on the platform 1.

[0016] When performing replacement and maintenance work, such as figure 2 As shown, the starting cylinder 7 provides thrust, and the movement of the piston rod of the cylinder 7 and the two guide rails 4 ...

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Abstract

The invention discloses a movable counterweight assembly and relates to the technical field of engineering machinery and equipment. The movable counterweight assembly comprises a counterweight body and a platform, guide rails are arranged at the two ends of the counterweight body respectively and slidably connected with guide grooves mounted in the platform, an oil cylinder is arranged on the platform, and a piston rod of the oil cylinder is connected with the counterweight body. Compared with the movable counterweight assembly, the movable counterweight assembly is simple in structure and convenient to operate, the counterweight can be conveniently and quickly moved when important parts of engines, hydraulic pumps and the like are maintained, and convenience in maintenance of the complete machine is improved.

Description

technical field [0001] The invention relates to the technical field of construction machinery equipment, in particular to a movable counterweight assembly for balancing the center of gravity of an excavator. Background technique [0002] Usually, in construction machinery products, there is a counterweight component used to balance the center of gravity of the whole machine, and the counterweight is connected to the platform through bolts. Under normal circumstances, the counterweight of the excavator is close to important components such as the engine and hydraulic pump. Since the entire counterweight and the excavator platform are immovable after being installed and fixed, when these important parts need to be replaced, repaired and maintained, the counterweight must be removed by lifting tools before replacement and maintenance can be performed. After completing the replacement and maintenance work of the parts, the counterweight is reinstalled and fixed by the lifting t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02F9/18
CPCE02F9/18
Inventor 韦君学邢树鑫
Owner LIUGONG CHANGZHOU MACHINERY
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