Hydraulic control system of lifting cylinders of mobile stage vehicle

A technology of hydraulic control system and lifting cylinder, applied in fluid pressure actuators, servo motor components, mechanical equipment, etc., can solve problems such as poor running stability, low synchronization accuracy, and difficult adjustment, and achieve stable operation and synchronization accuracy high effect

Inactive Publication Date: 2010-01-13
SHAOYANG VICTOR HYDRAULICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the past, the synchronization of the four lifting cylinders of the mobile stage vehicle was generally controlled by a rectifier plate and a speed regulating valve. The synchronization accuracy was low and the adjustment was difficult.
Using the hydraulic control check valve to keep the pressure, the running stability of the oil cylinder is poor when it is lowered

Method used

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  • Hydraulic control system of lifting cylinders of mobile stage vehicle

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Embodiment Construction

[0007] Such as figure 1 As shown, the electromagnetic reversing valve 1a is energized, and the pressure oil p enters the large-flow self-adjusting diverter-collecting valve 3 through the electromagnetic reversing valve 1 and the one-way throttle valve 2, and the oil is divided into two groups on average and enters the small flow Self-adjusting diverter-collector valve 4, the oil is divided into four groups on average and enters the rodless chamber of the lifting cylinder 6 through the balance valve 5, and the oil in the rod chamber of the lifting cylinder 6 is adjusted by the one-way throttle valve 2 The electromagnetic reversing valve 1T flows back to the oil tank, so that the four lifting cylinders 6 rise synchronously; the electromagnetic reversing valve 1b is energized, and the pressure oil p enters the lifting cylinder 6 through the electromagnetic reversing valve 1 and the one-way throttle valve 2 The oil in the rodless chamber of the lifting cylinder 6 passes through th...

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Abstract

The invention relates to a hydraulic control system of lifting cylinders of a mobile stage vehicle, wherein a solenoid operated directional valve is connected with a one-way throttle valve, an big-small flow self-adjusting dividing and collecting valve, two small-flow self-adjusting dividing and collecting valves and a balance valve sequentially, wherein the balance valve is linked with the lifting cylinders. The hydraulic control system guarantees synchronous ascending and descending of the four lifting cylinders and high synchronous precision by using the self-adjusting dividing and collecting valves and ensures smooth operation and excellent pressure maintaining performance by using the balance valve.

Description

technical field [0001] The invention relates to a hydraulic control system for a lifting oil cylinder of a mobile stage vehicle. Background technique [0002] In the past, the synchronization of the four lifting cylinders of the mobile stage vehicle was generally controlled by a rectifier plate and a speed regulating valve. The synchronization accuracy was low and the adjustment was difficult. Use the hydraulic control check valve to keep the pressure, and the running stability of the oil cylinder is poor when it is lowered. Contents of the invention [0003] The object of the present invention is to provide a hydraulic control system for the lifting cylinders of mobile stage vehicles which improves the synchronous precision and running stability of four lifting cylinders. [0004] The technical scheme of the present invention is realized in the following way: the electromagnetic reversing valve of the present invention is connected with the one-way throttle valve, and th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B15/02F15B13/02
Inventor 罗向君
Owner SHAOYANG VICTOR HYDRAULICS
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