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Quick hydraulic system

A hydraulic system, fast technology, applied in the field of hydraulic system, can solve problems such as reducing the life of hydraulic components, wasting electric energy, and increasing the temperature of hydraulic oil

Inactive Publication Date: 2010-10-13
翁学海
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This not only wastes electric energy, but also increases the temperature of hydraulic oil, which easily reduces the life of hydraulic components.

Method used

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Experimental program
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Effect test

Embodiment 1

[0020] Embodiment 1: The rapid hydraulic system includes an actuator 2, a pressure control device 9, an oil pump 8, and an electric motor 10. It is characterized in that a rapid oil supply device is added to the outlet of the oil pump or the main oil inlet pipe. The rapid oil supply The device includes a plug-in fast valve 1, a proportional throttle valve 3, a one-way valve 4, a one-way pressure reducing valve 5, an accumulator 6, and a pressure switch 7; the proportional throttle valve 3 and the plug-in fast valve 1 are installed in series Then install it in parallel with the one-way valve 4, and then install it in series with the one-way pressure reducing valve 5, the accumulator 6 and the pressure switch 7.

Embodiment 2

[0021] Embodiment 2: The rapid hydraulic system includes an actuator 2, a pressure control device 9, an oil pump 8, and an electric motor 10. It is characterized in that a rapid oil supply device is added to the outlet of the oil pump or the main oil inlet pipe, and the described rapid oil supply The device includes a plug-in fast valve 1, a one-way valve 4, a one-way pressure reducing valve 5, an accumulator 6, and a pressure switch 7; the plug-in fast valve 1 and the one-way valve 4 are installed in parallel, Pressure valve 5, accumulator 6 and pressure switch 7 are installed in series.

Embodiment 3

[0022] Embodiment 3: The rapid hydraulic system includes an actuator 2, a pressure control device 9, an oil pump 8, and an electric motor 10. It is characterized in that a rapid oil supply device is added to the outlet of the oil pump or the main oil inlet pipe. The rapid oil supply The device comprises a plug-in quick valve 1, an accumulator 6 and a pressure switch 7; the plug-in quick valve 1, the accumulator 6 and the pressure switch 7 are installed in series.

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Abstract

A quick hydraulic system comprises an actuating device (2), a pressure control device (9), an oil pump (8) and a motor (10). The invention is characterized in that an oil pump outlet or a main oil inlet pipe is provided with a quick oil supply device which comprises a quick valve (1), a throttle valve (3), a one-way valve (4), a one-way reducing valve (5), an accumulator (6) and a pressure switch (7). The throttle valve (3) is connected with the quick valve (1) in series, is connected with the one-way valve (4) in parallel and then is connected with the one-way reducing valve (5), the accumulator (6) and the pressure switch (7) in series. The invention can ensure that the movements in a circle provide economical hydraulic energy and the overflow of the hydraulic system is reduced to minimum, which saves energy resources and prolongs the service life of the components of the hydraulic system.

Description

technical field [0001] The present invention relates to hydraulic systems. Background technique [0002] At present, the hydraulic systems of die-casting machines, plastic injection molding machines and other equipment mostly adopt the following methods: [0003] 1. The small machine adopts unloading overflow valve and accumulator for pressure control, and throttle valve for flow control; or uses pressure proportional valve and proportional throttle valve for multi-stage pressure and flow control; all use single pump to supply oil. [0004] 2. Large machines use double pumps or even multiple pumps to supply oil, large pumps use electromagnetic overflow valves or unloading overflow valves for pressure control, small pumps use pressure proportional valves for multi-stage pressure control, and proportional throttle valves or belt joints Flow direction valve for flow control. [0005] The small and medium-sized cold and hot chamber die-casting machines and plastic injection mo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B15/20
Inventor 翁学海
Owner 翁学海