Accumulator system capable of automatically regulating inflation pressure

A technology of automatic adjustment of inflation pressure, applied in the direction of mechanical equipment, etc., can solve the problems of cumbersome manual operation and inability to realize gas charging and discharging, and achieve the effect of wide adjustable pressure range, high pressure adjustment accuracy and high gas pressure

Active Publication Date: 2013-03-06
CHINA NAT HEAVY MACHINERY RES INSTCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Considering the feasibility, safety and energy-saving requirements of the operation, the accumulator cannot be charged and discharged when the hydraulic system has started to work. The accumulator can keep working at different working pressures

Method used

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  • Accumulator system capable of automatically regulating inflation pressure

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Embodiment Construction

[0011] The present invention will be described in detail below in conjunction with the accompanying drawings, but it is not intended to limit the use of the present invention.

[0012] Referring to the accompanying drawings, an accumulator system for automatically adjusting the charging pressure includes an accumulator 11, the outlet of the air chamber of the accumulator 11 is connected to the outlet of the supercharger 5 through the second pneumatic ball valve 7.2, and the inlet of the supercharger 5 The gas filling and detection device 4, the ball valve 2 are connected to the outlet of the nitrogen cylinder 1 in sequence, the depressurization circuit is arranged in parallel with the supercharger 5, and the outlet of the supercharger 5 passes through the first pneumatic ball valve 7.1, the gas decompression circuit in the decompression circuit in turn. Pressure valve 8, needle valve 10 are connected with the inlet of supercharger 5, the gas port of accumulator 11 is also conne...

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Abstract

The invention discloses an accumulator system capable of automatically regulating inflation pressure, which comprises an accumulator, wherein the outlet of an air cavity of the accumulator is connected with the outlet of a supercharger; the inlet of the supercharger is connected with the outlet of a nitrogen cylinder through an inflation and detection device, and a decompression loop and the supercharger are parallelly arranged; the inflation pressure can change along with the set operation pressure of a hydraulic system so as to automatically accordingly change in proportion, and the pressure charging and decompression actions both adopt a program control box to carry out automatic control on an electromagnetic valve; and the whole process of inflation pressure in the air cavity of the accumulator is changed so as to not need manual intervention, the adjustable pressure range of an accumulator group is wide, the pressure regulation accuracy is relatively higher, and the self-regulation inflation pressure accumulator is energy-saving and environment-friendly.

Description

technical field [0001] The invention relates to an accumulator device, in particular to an accumulator system for automatically adjusting the charging pressure. Background technique [0002] An accumulator is an energy storage device in a hydraulic system that uses the compressibility of nitrogen or other safe gases to store and release hydraulic energy. When in use, according to the function of the accumulator and the set working pressure of the hydraulic system, the pre-charged gas will be pressurized into the air cavity of the accumulator through the nitrogen charging device according to the predetermined pressure ratio. During the charging process, it is necessary to manually connect the nitrogen charging. The tool opens and closes the valve, and the charging pressure of the accumulator remains constant during the working process of the hydraulic system. For hydraulic systems with constant working pressure, accumulators can meet the requirements of storing and releasing...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B1/04
Inventor 张强吴伟
Owner CHINA NAT HEAVY MACHINERY RES INSTCO
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