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A miniature multifunctional water pressure controller

A multi-functional, controller technology, applied in the direction of fluid pressure control, electric fluid pressure control, control/regulation system, etc., can solve the problems that it is difficult to meet the needs of the test, the function does not have diversity, and the structure is large. , to achieve the effects of stable loading system, increased pressure response rate and reduced volume

Active Publication Date: 2019-05-21
SUZHOU H C SOIL & WATER SCI & TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The water pressure controllers listed above can replace the indoor pressure source in the laboratory to meet the corresponding experimental requirements, but they do not have diversity in function, and it is difficult to meet the needs of the test; the structure is too large and the installation is not convenient

Method used

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  • A miniature multifunctional water pressure controller
  • A miniature multifunctional water pressure controller
  • A miniature multifunctional water pressure controller

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] The present invention will be further elaborated below in conjunction with accompanying drawing of description:

[0014] The stepper motor 4 transmits the transmission to the ball screw 12 through the coupling 17. Since the nut 18 of the ball screw and the screw nut holder 15 are fixed on the frame 1, the rotational movement of the stepper motor is converted. The reciprocating movement of the screw rod, and the ball screw is fixed on the moving seat 8, so the moving seat 8 moves back and forth on the moving guide rail 11; the loading plate 10 is fixed on the left plate of the moving seat 8, so the final movement passes through the loading plate 10 is transmitted to the piston rod of the water tank 2, and at the same time, a high-precision grating ruler 5 is fixed directly above the moving seat 8, and the body of the high-precision grating ruler 5 moves linearly with the moving seat 8, while the reading head moves through the screw screw. The cap fixing seat 15 is fixed ...

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Abstract

The invention provides a miniature multifunctional water pressure controller. According to the miniature multifunctional water pressure controller, a stepping motor is fixed on a moving seat; the moving seat is connected with a movable guide rail in a sliding manner; the movable guide rail is fixed on a rack; the left end of a ball screw is fixed on the moving seat, the right end of the ball screw is mounted on a lead screw fixing seat support, and the shaft end of the ball screw is connected with the stepping motor; two water tanks in a biserial water tank assembly are arranged on two sides of the moving seat in parallel; one ends of the two water tanks are communicated into a whole through a water pipeline; two piston rods at the other ends of the two water tanks are fixed on a loading plate through water tank nuts; two ends of a ruler body of a high-precision grating ruler are fixedly suspended on the moving seat and reciprocate along the moving seat; a reading head of the high-precision grating ruler is fixed on a lead screw cap fixing seat so as to measure the displacement of the moving seat and the piston motion displacement of the water tanks. According to the miniature multifunctional water pressure controller disclosed by the invention, static confining pressure control, dynamic waveform confining pressure control, high-precision location and drainage volume measurement can be realized.

Description

technical field [0001] The invention belongs to the field of civil engineering and relates to a miniature multifunctional water pressure controller. Background technique [0002] The triaxial instrument is the most common type of geotechnical experiment equipment in the field of geotechnical testing. Its components can be divided into confining pressure control system, axial force loading system, and measurement system. The water pressure of the confining pressure system can be generated by the water pressure controller. . Existing water pressure controllers are classified by function, including static dead load, which can simulate the general working conditions of soil to realize conventional confining pressure control; dynamic waveform load, which can simulate wave load and earthquake load to realize random wave or custom waveform Load control; according to the structural form, there are in-line type and dislocation type. The water pressure controllers listed above can r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D16/20G01N3/12
CPCG01N3/12G01N2203/0019G01N2203/0048G05D16/202
Inventor 夏平心郭晓霞王鹏鹏李希成邵龙潭
Owner SUZHOU H C SOIL & WATER SCI & TECH CO LTD
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