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One machine multi-control volume type electro-hydraulic device with no electricity and fast switch

A fast-switching, volumetric technology, applied in valve devices, valve operation/release devices, mechanical equipment, etc., can solve the problems of small control valves and small kinetic energy, and achieve the effects of reliable work, high accuracy and convenient operation.

Active Publication Date: 2015-09-02
九江环球科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of this invention is to provide a multi-control volumetric electro-hydraulic device with no electricity and fast switching, which solves the problem of controlling the valve and using a small space and a small kinetic energy. The problem of achieving maximum open and close valves

Method used

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  • One machine multi-control volume type electro-hydraulic device with no electricity and fast switch
  • One machine multi-control volume type electro-hydraulic device with no electricity and fast switch
  • One machine multi-control volume type electro-hydraulic device with no electricity and fast switch

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Embodiment Construction

[0015] The device includes control system, hydraulic system and actuators, such as figure 1 As shown, the hydraulic system has a modular structure, including a fuel tank assembly YZ, a main valve group ZZ, and a valve group FZ1. The actuator is a servo buffer cylinder SG1, and the output of the servo buffer cylinder SG1 is connected to a control valve; It is connected to the main valve group ZZ, and the output of the main valve group ZZ is connected to the servo buffer cylinder SG1 through the valve group FZ1. The main valve group ZZ is equipped with a pressure transmitter Pt and an accumulator ZL1.

[0016] like figure 1 As shown, the fuel tank assembly YZ includes a liquid level gauge FL, a fuel tank YX, an air filter Y, an oil return filter L2, and a heat exchanger CW, and the main valve group ZZ includes a filter L1, a throttle valve (M2 . Cylinder rod end solenoid valve DV1, hydraulic control check valve (CV1, CV2), cylinder rod end solenoid valve DV2, bypass check va...

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Abstract

A volumetric type electricity-free fast switching electro-hydraulic device capable of controlling multiple valves with one device comprises a control system, a hydraulic system and an actuator. The hydraulic system is of a modular structure and comprises an oil tank assembly, a main valve set and a valve set, the actuator is a servo buffering oil cylinder, and the output part of the servo buffering oil cylinder is connected with a control valve. The output part of the oil tank assembly is connected with the main valve set, the output part of the main valve set is connected with the servo buffering oil cylinder through the valve set, and a pressure transmitter and an energy accumulator are arranged on the main valve set. The volumetric type electricity-free fast switching electro-hydraulic device capable of controlling the multiple valves with the one device solves the problems that valves are controlled and the valves are controlled to be largely opened and largely closed through small space and less kinetic power. The volumetric type electricity-free fast switching electro-hydraulic device capable of controlling the multiple valves with the one device has the advantages of being stable in operation, reliable in working, small in size, high in precision, convenient to operate and low in price. Further, the volumetric type electricity-free fast switching electro-hydraulic device capable of controlling the multiple valves with the one device is small in occupied space and capable of achieving control over the multiple valves with the one device.

Description

technical field [0001] The utility model of the invention relates to a valve electro-hydraulic control device, in particular to a high-temperature pump inlet and outlet valve multi-point volume type electro-hydraulic control device with no electricity and fast switching. Background technique [0002] At present, manual valves at the inlet and outlet of petrochemical, electric power, and metallurgical high-temperature pumps are difficult to operate in case of emergency power outages, and cannot be shut down quickly. So far, accidents have frequently caused explosions. In order to ensure the safety of production and installations during emergency power failures in pressure pipeline accidents, eliminate potential safety hazards and prevent accidents. Therefore, petrochemical, electric power, metallurgical pressure pipelines and high-temperature pump inlet and outlet valves should be transformed into non-electric fast switch control devices. Avoid causing huge losses to personn...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K31/12
Inventor 郭皓郭俊杰许声文蔡虎
Owner 九江环球科技股份有限公司
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