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Multi-channel electro-hydraulic servo low and high-pressure oil distributing device

An electro-hydraulic servo, high and low pressure technology, applied in fluid pressure actuating devices, servo motor components, mechanical equipment, etc., can solve the problems of inconvenient use, high and low pressure can not be adjusted separately, complicated operation, etc.

Inactive Publication Date: 2012-08-15
济南东测试验机技术有限公司
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

[0002] Hydraulic actuators with multiple channels generally share one hydraulic pump station, but each channel will interfere with each other when each actuator is used, and the high and low pressure of each channel cannot be adjusted separately, because the hydraulic demand is different, which requires frequent switching And adjustment, the operation is more complicated, so it is also very inconvenient to use

Method used

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  • Multi-channel electro-hydraulic servo low and high-pressure oil distributing device
  • Multi-channel electro-hydraulic servo low and high-pressure oil distributing device
  • Multi-channel electro-hydraulic servo low and high-pressure oil distributing device

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Embodiment Construction

[0013] Such as figure 1 , 2 As shown, a multi-channel electro-hydraulic servo high and low pressure oil separation device of the present invention includes a main oil inlet pipe 1 and a main oil return pipe 2, and the main oil inlet pipe 1 is sequentially connected to a valve block, a filter 4, an accumulator 3 and several channels The oil inlet pipeline 8, the total oil return pipe 2 is connected to the oil return pipeline 9 of several channels, and the oil inlet pipeline 8 of each channel is provided with a pilot pressure reducing valve 7, a direct acting relief valve 6 and Electromagnetic reversing valve 5. The oil inlet pipeline 8 of each channel is provided with a pressure gauge.

[0014] The pilot port of the pilot pressure reducing valve 7 communicates with the direct-acting relief valve 6, and the electromagnetic reversing valve 5 controls the on-off of the direct-acting relief valve. The high pressure of each channel is adjusted by the pilot pressure reducing valv...

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Abstract

The invention discloses a multi-channel electro-hydraulic servo low and high-pressure oil distributing device, which comprises a main oil inlet pipe and a main oil return pipe. The main oil inlet pipe is sequentially connected with a valve block, a filter, an energy accumulator and oil inlet pipelines of a plurality of channels, the main oil return pipe is connected with oil return pipelines of the channels, and a pilot-operated reducing valve, a direct-acting overflow valve and an electromagnetic selector valve are sequentially disposed on the oil inlet pipeline of each channel along an oil inlet direction. The multi-channel electro-hydraulic servo low and high-pressure oil distributing device has the advantages that low and high-pressure switching operation of each channel is convenient, flexible and effective, the channels are not interfered with each other when in independent low and high-pressure switching operation, and an expected effect is achieved.

Description

technical field [0001] The invention relates to a multi-channel electro-hydraulic servo high and low pressure oil separation device. Background technique [0002] Hydraulic actuators with multiple channels generally share one hydraulic pump station, but each channel will interfere with each other when each actuator is used, and the high and low pressure of each channel cannot be adjusted separately, because the hydraulic demand is different, which requires frequent switching And adjustment, the operation is more complicated, so it is also very inconvenient to use. Contents of the invention [0003] In order to solve the above technical deficiencies, the present invention provides an easy-to-operate, flexible and effective multi-channel electro-hydraulic servo high and low pressure oil separator. [0004] The present invention is achieved through the following measures: [0005] A multi-channel electro-hydraulic servo high and low pressure oil separation device of the pre...

Claims

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Application Information

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IPC IPC(8): F15B13/02
Inventor 孙汝强王旭东
Owner 济南东测试验机技术有限公司
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