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Flow-matched balance and energy recovery system

A flow matching and energy recovery technology, applied in fluid pressure actuation devices, servo motor components, mechanical equipment, etc., can solve problems such as difficult and difficult gravitational potential energy recovery and reuse, and achieve low processing difficulty and high energy utilization efficiency. , The effect of stable and reliable work

Pending Publication Date: 2019-02-19
杭州诺祥科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Based on the balance circuit of the balance valve, even if the position control under the overload condition can be accurately controlled, it is difficult to recover and reuse the gravitational potential energy at this time
Moreover, under heavy load conditions, it is difficult to make small adjustments to the load position

Method used

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  • Flow-matched balance and energy recovery system

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Embodiment Construction

[0024] The above and other technical features and advantages of the present invention are clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are only some of the embodiments of the present invention, rather than all of them.

[0025] Such as figure 1 As shown, the flow matching balance valve (hereinafter referred to as "balance valve") provided by the embodiment of the present invention is a schematic structural diagram, which mainly consists of a valve body 1, a valve sleeve 2, a valve core 3, a ball valve core 13, a ball valve seat 14, and a pressure valve. Tighten the spring 15. Among them, the valve body 1 is provided with a valve hole and a ball valve seat 14; the valve sleeve 2 is installed in the valve hole; the ball valve core 13 is pressed on the valve seat by a compression spring 15 to function as a one-way valve, and the one-way valve seat The diameter of the opening is the same as that of the...

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Abstract

The invention discloses a flow-matched balance and energy recovery system. The flow-matched balance and energy recovery system comprises a flow-matched balance valve, electromagnetic valves, a hydraulic pump, an oil tank, an energy accumulator and an oil cylinder; the flow-matched balance valve consists of a valve body, a valve sleeve, a valve element, a ball valve element, a pressing spring and acommunicating oil way; a bottom oil port is formed in the bottom of the valve body; a top oil port is formed in the top of the valve body; the valve body is radially provided with an upper oil way and a lower oil way corresponding to the valve sleeve; the bottom oil port is connected with system pressure oil; the top oil port is connected with an oil cylinder; the upper oil way and the lower oilway communicate with one end of a first electromagnetic valve; the other end of the first electromagnetic valve is connected with the energy accumulator; the energy accumulator is connected with an oil inlet of the hydraulic pump through a second electromagnetic valve; one end of a third electromagnetic valve is connected with a balance valve oil way; and the other end is connected with the oil tank. The flow-matched balance and energy recovery system is simple in structure, excellent in reliability, low in throttling loss and non-sensitive to oil temperature and cleanness, can effectively guarantee the balance and the safety of a hydraulic system, and can recover hydraulic energy.

Description

technical field [0001] The invention belongs to the technical field of construction machinery and hydraulic control, and in particular relates to a flow matching balance valve and an energy recovery system. Background technique [0002] Construction machinery often needs to lift and lower heavy loads during operation. In order to prevent vertical hydraulic cylinders and vertically moving parts from falling due to their own weight, a hydraulic balance circuit is usually required. The hydraulic balance circuit based on the balance valve is widely used in high-power overrunning load occasions with large load changes such as hoisting machinery, walking machinery, and lifting workbenches. However, the balance valve works by overcoming the load through liquid resistance. It is an energy-consuming element itself, which causes a large energy loss, increases the temperature of the oil, and causes the deterioration and aging of the medium, which will lead to the reliability of compon...

Claims

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Application Information

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IPC IPC(8): F15B13/02F15B1/04
CPCF15B1/04F15B13/029
Inventor 王林翔魏双丰
Owner 杭州诺祥科技有限公司
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