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Flow type balance valve capable of automatically adjusting setting pressure

An automatic adjustment and pressure setting technology, which is applied to balance valves, safety valves, valve devices, etc., can solve problems such as low-frequency vibration and impact of loads, system instability, and lack of energy saving.

Active Publication Date: 2018-10-26
浙江斯丹特阀门股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing hydraulic balance valve generally has such a shortcoming: when the load is lowered, due to the characteristics of sudden changes in the flow area of ​​the valve port of the hydraulic balance valve, it will cause low-frequency jitter and impact on the load, resulting in system instability and affecting the overall performance. Machine safety and reliability
The spring setting pressure of the balance valve is constant, and the reverse opening pressure of the balance valve is constant for different load conditions. In this way, the control pressure and the load required to open the balance valve are relatively low for the load condition. The high working conditions are the same, which will cause a lot of energy loss and not save energy.

Method used

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  • Flow type balance valve capable of automatically adjusting setting pressure
  • Flow type balance valve capable of automatically adjusting setting pressure
  • Flow type balance valve capable of automatically adjusting setting pressure

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Embodiment Construction

[0024] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0025] A flow-type balance valve with automatically adjusted set pressure according to an embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

[0026] like Figure 1 to Figure 3 As shown, a flow type balance valve with automatically adjusted pressure setting according to an embodiment of the present invention includes: a valve sleeve 1, an end plug 2, a piston 3, a balance valve core 4, a first spring 5, a valve seat 6, a single To the valve plate 7, the second sprin...

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Abstract

The invention provides a flow type balance valve capable of automatically adjusting the setting pressure. The flow type balance valve comprises a valve sleeve, an end plug, a piston, a balance valve element, a valve seat, a first spring, a spring seat, a one-way valve plate and a second spring. The flow type balance valve capable of automatically adjusting the setting pressure is easy to machine;the open area is free of abrupt transition; energy conservation is achieved; and the service life is long.

Description

technical field [0001] The invention relates to a valve assembly for a hydraulic device, in particular to a flow type balance valve with automatic adjustment of setting pressure. Background technique [0002] In modern construction machinery, construction machinery and other mechanical equipment, a large number of lifting hydraulic circuits are used. Among them, the balance valve is the key hydraulic component that controls the work of the hydraulic cylinder in the lifting circuit. The performance of the balance valve directly affects the performance of the main engine. [0003] The existing hydraulic balance valve generally has such a shortcoming: when the load is lowered, due to the characteristics of sudden changes in the flow area of ​​the valve port of the hydraulic balance valve, it will cause low-frequency jitter and impact on the load, resulting in system instability and affecting the overall performance. Machine safety and reliability. When the load is lowered and ...

Claims

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Application Information

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IPC IPC(8): F16K17/06
CPCF16K17/065
Inventor 不公告发明人
Owner 浙江斯丹特阀门股份有限公司