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A large magnification ratio thrust device

A technology of thrust device and magnification ratio, which is applied in the direction of measuring device, measuring fluid pressure, instrument, etc., can solve the problems of consuming manpower and material resources, low efficiency, high labor intensity, etc., and achieve calibration stability and accuracy, accurate detection results, Guarantee the effect of applying force on the neutral

Inactive Publication Date: 2016-12-21
GUANGDONG INST OF METROLOGY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] For many years, for the calibration of high-range pressure sensors, most people use piston pressure gauges. Using this method requires manual handling of weights, manual readings, and manual calculations. This method is not only inefficient, but also labor-intensive and expensive. There are some automatic calibration equipment in the market, but the pressure medium uses gas, which can only solve the automatic calibration of pressure sensors in the range of 0-20MPa. Therefore, people have long needed a calibration device for high-range pressure sensors

Method used

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  • A large magnification ratio thrust device
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] see figure 1 , figure 2 as well as image 3 , as shown in the legend therein: a thrust device with a large amplification ratio, including a cylinder plug system and a hydraulic control system, the cylinder plug system includes a small cylinder plug device 1, a large cylinder plug device 2 and a connecting pipe 3. The hydraulic control system includes an oil tank 41 and an oil pipe 42; the small cylinder plug device 1 includes a small cylinder 11, a small piston 12 and a high-pressure oil film 13; The top of the small piston 12; the small piston 12 is axially provided with a small piston oil inlet channel 121 leading to the top of the small piston 12; The sixteen small pistons penetrate the micropores 122; the small pistons penetrate the micropores 122 to communicate with the small piston oil inlet channel 121; Between the bodies 11; the large cylinder plug device 2 includes a large cylinder 21, a large piston 22 and a high-pressure oil film 23; the large cylinder 21...

Embodiment 2

[0029] The rest is the same as that of Embodiment 1, except that the small piston oil inlet passage and the large piston oil inlet passage both include three oil inlet passages evenly distributed.

Embodiment 3

[0031] The rest is the same as the first embodiment, except that the small piston oil inlet passage includes three uniformly distributed oil inlet passages, and the large piston oil inlet passage includes four uniformly distributed oil inlet passages.

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Abstract

The invention discloses a thrust device with a large amplification ratio, which includes a cylinder plug system and a hydraulic control system. The cylinder plug system includes a large cylinder plug device, a small cylinder plug device and a connecting pipe, which realizes gap interception and overcomes frictional force. And it can realize the detection of a large force value sensor.

Description

technical field [0001] The invention relates to a force standard device, in particular to a thrust device with a large amplification ratio. Background technique [0002] For many years, for the calibration of high-range pressure sensors, most people use piston pressure gauges. Using this method requires manual handling of weights, manual readings, and manual calculations. This method is not only inefficient, but also labor-intensive and expensive. There are some automatic calibration devices in the market, but the pressure medium is gas, which can only solve the automatic calibration of pressure sensors in the range of 0-20MPa. Therefore, people have long needed a calibration device for high-range pressure sensors. Contents of the invention [0003] In order to solve the above problems, the present invention provides a high-magnification ratio thrust device with high precision and large measurement range. [0004] In order to achieve the above object, the present inventio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L27/00
Inventor 谭洪辉陶泽成黄振宇高富荣陈明华周钢
Owner GUANGDONG INST OF METROLOGY