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Planar suspension bearing

A floating bearing and plane technology, applied in the field of bearings, can solve the problems of relatively high accuracy requirements of pressure sensors, inaccurate detection methods, unstable detection results, etc., to achieve the effect of improving detection accuracy and uniform pressure

Inactive Publication Date: 2013-10-30
KUNSHAN INNOVATION TESTING INSTR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, there is no special instrument and equipment on how to detect the accuracy of pressure sensors. Usually, a pressure sensor with known accuracy and a sensor to be tested are used to measure a pressure at the same time, and the measurement results are compared. This detection method is often not accurate enough, and the detection The result is also unstable, and the pressure sensor has relatively high accuracy requirements

Method used

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  • Planar suspension bearing
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] See figure 1 with figure 2 , As shown in the legend: a flat suspension bearing, used to detect the accuracy of the pressure sensor 7, including a small suspension bearing, a large suspension bearing, a communication pipe 4 and an oil supplement device, the small suspension bearing It includes a small container 11, a displacement sensor 3, and a small movable support 12; the large suspension bearing includes a large container and a large movable support 22; the oil supplement device includes an oil tank 51 and an oil upper pipe 52; The displacement sensor 3 is respectively arranged on the small movable support 12 and the large movable support 22; the small movable support 12 and the large movable support 22 are respectively arranged above the small container 11 and the large container 21 The small container 11 and the large container 21 are open at the upper end; the bottom of the small container 11 and the large container 21 are connected by the communicating pipe 4; the...

Embodiment 2

[0029] The rest is the same as the embodiment 1, except that the pressure area of ​​the small container and the large container is in a ratio of 1:50.

Embodiment 3

[0031] The rest is the same as the first embodiment, the difference is that the pressure surfaces of the small container and the large container are both combined pressure surfaces including nine pressure surfaces.

[0032] The beneficial effects of using the above technical solutions are: first, due to the principle of the communicating device, the accuracy of the pressure sensor can be detected by weight; second, the pressure area of ​​the small container and the large container becomes a certain The ratio of the pressure sensor can be enlarged to improve the detection accuracy; third, because the pressure surface of the small container and the large container is a combination of multiple pressure surfaces, they are distributed on the small movable support and the large The pressure on the movable support is more uniform; fourth, the oil supplement device can be used to keep the pressure at a constant value; fifth, because the oil return device is used, the oil overflowing from ...

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Abstract

The invention discloses a planar suspension bearing for detecting accuracy of a pressure sensor. The planar suspension bearing includes a small suspension bearing, a large suspension bearing, a communicating tube and an oil filling device. The planar suspension bearing, which is a new type of instrument for detecting the accuracy of the pressure sensor, makes full use of the hydraulic principle and has the advantages of simple structure, low cost, high precision and accurate detection.

Description

Technical field [0001] The invention relates to a bearing, in particular to a plane suspension bearing. Background technique [0002] At present, there is no special equipment on how to detect the accuracy of pressure sensors. It is usually used to measure a pressure with a sensor of known accuracy and the sensor to be tested at the same time, and compare the measurement results. This detection method is often not accurate enough, and the detection The result is also unstable, and the pressure sensor has relatively high requirements for accuracy. Summary of the invention [0003] In order to solve the above problems, the present invention provides a flat suspension bearing with simple structure, low economic cost and high accuracy for detecting the accuracy of a pressure sensor. [0004] In order to achieve the above objective, the present invention provides the following technical solutions: a planar suspension bearing for detecting the accuracy of a pressure sensor, which is char...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L25/00F16C32/06
Inventor 王振基陶泽成
Owner KUNSHAN INNOVATION TESTING INSTR CO LTD
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