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Torque testing system for electric actuator

An electric actuator and torque testing technology, which is applied in the testing of machines/structural components, electromagnetic measuring devices, and testing of mechanical components, can solve problems such as leakage and unqualified transmission components, and improve measurement accuracy and failure Analyzing the Effects on Efficiency

Pending Publication Date: 2022-08-02
日照德艺智能仪表有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 2. The lubricating oil becomes thinner due to the increase of temperature, which is easy to cause leakage;
[0009] Therefore, there is a technical problem in the prior art that it is difficult to timely determine specific unqualified transmission parts for electric actuators whose torque measurement is unqualified

Method used

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  • Torque testing system for electric actuator
  • Torque testing system for electric actuator
  • Torque testing system for electric actuator

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Experimental program
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specific Embodiment

[0039] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Rear, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Counterclockwise, Axial, The orientations or positional relationships indicated by "radial direction", "circumferential direction", etc. are based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated devices or elements. It must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0040] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be furthe...

Embodiment 1

[0043] like figure 1 As shown, an electric actuator torque testing system includes a workbench 1, a control center is arranged in the workbench 1, a fixing device 2 is arranged on the workbench 1, and the fixing device 2 is provided with a plurality of fixing seats for fixing different Model of electric actuator 3, when the electric actuator 3 is fixed on the fixing device 2, the output shaft of the electric actuator 3 is connected with the reducer 4 through a coupling, and the reducer 4 is connected with one end of the dynamic torque sensor 4 through the coupling Connection, the other end of the dynamic torque sensor 4 is connected with the load loader that provides the torque load, the load loader is connected as a magnetic powder brake, the dynamic torque sensor 4 is connected with the control center of the test system, and the fixture 2 is also provided with a number of wireless connections with the control center. connected piezoelectric surface acoustic wave sensors 21, ...

Embodiment 2

[0069] On the basis of Embodiment 1, from the multiple measurement results of the second measurement value by the control center, according to the result of the density function f(x), a measurement value with a probability range less than 0.1 is selected as the comparison data and the prediction of the control center database. Set the second specified value comparison, the density function f(x) formula:

[0070]

[0071] u is the geometric mean of these n second measurements and δ is the standard deviation.

[0072] Select the second measurement values ​​according to the above method, indicating that the occurrence of these measurement values ​​does not conform to the qualified quality law, and is the detection result of possible failure, and compare these second measurement values ​​with the preset second specified value of the control center database. By comparison, find out the components that are less than or equal to the corresponding second specified value, as the tra...

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Abstract

The invention belongs to the technical field of electric actuator torque testing, and discloses an electric actuator torque testing system which comprises a workbench, a fixing device is arranged on the workbench, an electric actuator is fixed to the fixing device, and an output shaft of the electric actuator is connected with one end of a dynamic torque sensor. One end of the dynamic torque sensor is connected with the fixing device, the other end of the dynamic torque sensor is connected with a load loader for providing a torque load, the dynamic torque sensor is connected with a control center of a test system, and the fixing device is characterized in that the fixing device is also provided with a plurality of piezoelectric surface acoustic wave sensors wirelessly connected with the control center; and the piezoelectric surface acoustic wave sensor is fixed on a transmission part in the electric actuator. The method has the advantages that the torque value of the installed transmission part is measured through the piezoelectric surface acoustic wave sensor, the reason for insufficient output torque of the electric actuator is analyzed and judged, the fault point is found, and guarantee is provided for stable work of the electric actuator.

Description

technical field [0001] The invention belongs to the technical field of electric actuator torque testing, in particular to an electric actuator torque testing system. Background technique [0002] Measurement of dynamic torque Elastomers generally participate in relative motion, mainly rotation. Because of relative motion, the overall design requires higher lead / signal processing and mechanical connection. [0003] Among them, the electric actuator is an indispensable driving device for realizing valve program control, automatic control and remote control, and its movement process can be controlled by the stroke, torque or axial thrust. Since the working characteristics and utilization of the valve electric actuator depend on the type of valve, the working specification of the device and the position of the valve on the pipeline or equipment, the output torque of the electric actuator is determined according to the torque required by the valve. The torque required for valve ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L3/00G01B7/16G01M13/00
CPCG01L3/00G01B7/16G01M13/00
Inventor 许鑫徐学花魏东升厉江
Owner 日照德艺智能仪表有限公司
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