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Water-base hydraulic electrostriction high speed switch valve

A high-speed on-off valve and telescopic technology, applied in the field of high-speed on-off valve and high-pressure hydraulic electrostrictive high-speed on-off valve, it can solve the problems of large influence of temperature change and amplification of output displacement of the driver, and achieve small influence of temperature change and output flow rate. Large, high-response frequency effect

Inactive Publication Date: 2013-04-17
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a high-pressure hydraulic electrostrictive high-speed switch valve suitable for water-based media, which is used to solve the contradiction between high pressure, high frequency response and large flow rate, and at the same time overcome the problem of driver output displacement amplification and Highly affected by temperature changes, etc.

Method used

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  • Water-base hydraulic electrostriction high speed switch valve
  • Water-base hydraulic electrostriction high speed switch valve

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1: as figure 1As shown, a water-based hydraulic electrostrictive high-speed switching valve includes a water-hydraulic high-speed switching valve, a left electrostrictive driver and a right electrostrictive driver, and the left electrostrictive driver and the right electrostrictive driver are symmetrically arranged on the water The left and right ends of the hydraulic high-speed switching valve; the left electrostrictive driver is composed of an output rod 15, a gland 16, an electrostrictive rod 17, a sleeve 18, a shell 19, a temperature compensation sheet 20, and a base 23, and the base 23 passes through the transition fit into the casing 19, one end of the temperature compensation plate 20 is in contact with the base 23, the other end is in contact with the electrostrictive rod 17 and the sleeve 18, the electrostrictive rod 17 and the sleeve 18 are in clearance fit, and the electrostrictive rod The top of 17 is in contact with one end of the output rod 15, ...

Embodiment 2

[0027] Embodiment 2: as figure 1 As shown, a water-based hydraulic electrostrictive high-speed switching valve includes a water-hydraulic high-speed switching valve, a left electrostrictive driver and a right electrostrictive driver, and the left electrostrictive driver and the right electrostrictive driver are symmetrically arranged on the water The left and right ends of the hydraulic high-speed switching valve; the left electrostrictive driver is composed of an output rod 15, a gland 16, an electrostrictive rod 17, a sleeve 18, a shell 19, a temperature compensation sheet 20, and a base 23, and the base 23 passes through the transition fit into the casing 19, one end of the temperature compensation plate 20 is in contact with the base 23, the other end is in contact with the electrostrictive rod 17 and the sleeve 18, the electrostrictive rod 17 and the sleeve 18 are in clearance fit, and the electrostrictive rod The top of 17 is in contact with one end of the output rod 15,...

Embodiment 3

[0028] Embodiment 3: as figure 2 As shown, a water-based hydraulic asymmetric electrostrictive high-speed switch valve includes a water-hydraulic high-speed switch valve, a left electrostrictive driver, a valve cover 25 and an adjustment spring 26, and the left electrostrictive driver is arranged on the water-hydraulic high-speed switch. At the left end of the valve, the bonnet 25 is mounted on the right end of the valve body 24, one end of the adjustment spring 26 is in contact with the spool 12, and the other end is in contact with the bonnet 25; the left electrostrictive driver is composed of an output rod 15, a gland 16, an electrostrictive 17. The sleeve 18, the housing 19, the temperature compensating sheet 20, and the base 23 are composed. The base 23 is loaded into the housing 19 through transition fit. One end of the temperature compensating sheet 20 is in contact with the base 23, and the other end is in contact with the electrostrictive rod 17. contact with the sle...

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Abstract

The invention relates to a high speed switch valve, in particular to a water-base hydraulic electrostriction high speed switch valve and belongs to the technical field of hydraulic transmission. The water-base hydraulic electrostriction high speed switch valve comprises a water hydraulic high speed switch valve, a left electrostriction driver and a right electrostriction driver. The left electrostriction driver and the right electrostriction driver are arranged at the left end and at the right end of the water hydraulic high speed switch valve symmetrically. The electrostriction drivers are composed of output rods, pressing covers, electrostriction rods, sleeves, casings, temperature compensating plates and bases. The hydraulic high speed switch valve is composed of a valve core, a valve sleeve, a retaining ring, a sealing ring, a spring, an end cover and a valve body. The water-base hydraulic electrostriction high speed switch valve solves the problem of contradiction among high pressure, high frequency response and large flow well and simultaneously solves the problem that output displacement of the drivers is enlarged, temperature change effects are large and the like.

Description

technical field [0001] The invention relates to a high-speed on-off valve, in particular to a high-pressure hydraulic electrostrictive high-speed on-off valve suitable for water-based media, and belongs to the technical field of hydraulic transmission. Background technique [0002] High-speed on-off valve is a new type of digital electro-hydraulic conversion control element that works in the pulse flow control mode. It is the abbreviation of high-speed on-off digital valve. Action to achieve high-precision pressure and flow control, the higher the response frequency, the higher the control accuracy. [0003] Using water instead of mineral oil as the hydraulic transmission medium has many outstanding advantages such as low price, wide range of sources, and environmental protection. Hydraulic high-speed switching valves are small in size, simple in structure, reliable in performance, strong in anti-interference ability, insensitive to pollution, and easy to use. It has been w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K11/044F16K31/02
Inventor 王庆辉吴张永王娴段振华温成卓吴喜莫子勇曲金涛高晓艳刘云韩
Owner KUNMING UNIV OF SCI & TECH
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