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Composite accumulator type loader arm potential energy recovery regeneration device

A potential energy recovery and regeneration device technology, which is applied to fluid pressure actuators, mechanically driven excavators/dredgers, mechanical equipment, etc., can solve problems such as low energy conversion rate, slow dynamic response, and complex structure, and achieve energy efficiency. The effect of high conversion rate, fast dynamic response and simple structure

Inactive Publication Date: 2015-11-18
SHANDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

This boom potential energy recovery method has disadvantages such as complex structure, low energy conversion rate, slow dynamic response, heavy weight, and high cost.

Method used

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  • Composite accumulator type loader arm potential energy recovery regeneration device
  • Composite accumulator type loader arm potential energy recovery regeneration device
  • Composite accumulator type loader arm potential energy recovery regeneration device

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Embodiment Construction

[0020] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0021] Such as Figure 1~3 As shown, the compound accumulator type loader arm potential energy recovery regeneration device of the present invention includes the front axle frame 2, the boom 1, and it also includes the composite accumulator 100, the electronic control unit 300, the boom joystick lifting Gear switch 301 , boom joystick lowering gear switch 302 , boom lifting limit switch 303 , hydraulic electromagnetic reversing valve 304 , fuel tank 4 .

[0022] Among them, the composite accumulator 100 includes: a housing 101, a mounting base 120, a spring seat 102, a compression spring 103, a slot plate 104, an elastic rubber belt 105, a cavity cover plate 106, an elastic rubber belt clip 107, a pressure dividing Rod 108, pressure plate 109, pressure rod 110, piston rod 111, piston 112, oil cylinder 113, oil cylinder cover 114.

[0023] The compos...

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PUM

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Abstract

The invention discloses a potential energy recycling device with a combined energy accumulator for a moving arm of a loading machine. The potential energy recycling device comprises the combined energy accumulator, an electric control unit, a moving arm operator rod ascending gear switch, a moving arm operating rod descending gear switch and a hydraulic electromagnetic reversing valve. In the process of descending of the moving arm of the loading machine, gravitational potential energy of the moving arm can be recycled and converted into an elastic potential energy to store in the combined energy accumulator. In the process of ascending of the moving arm of the loading machine, the elastic potential energy accumulated in the combined accumulator can be converted into gravitational potential energy of the moving arm, thus, the potential energy of the moving arm of the loading machine can be recycled, energy is saved, and emission is reduced.

Description

technical field [0001] The invention relates to a potential energy recovery and regeneration device for a loader arm, more precisely, a compound accumulator type loader arm potential energy recovery and regeneration device. Background technique [0002] During the loading operation of the loader, the arm of the loader needs to be lifted and lowered frequently. During the lifting process of the arm, the engine drives the hydraulic pump to control the oil cylinder of the arm through the hydraulic reversing valve, and the arm together with the bucket and rocker Lift together to the unloading height. After the bucket is unloaded, the engine drives the hydraulic pump to control the boom cylinder through the hydraulic reversing valve, and lowers the boom, bucket and rocker to the loading height together. During the descent process, the engine is required to provide power, and the gravitational potential energy of the boom is wasted in vain, so that the loader has the disadvantages...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02F3/42F15B21/14
Inventor 曲金玉王儒魏伟李训明
Owner SHANDONG UNIV OF TECH
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