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External dynamic test cylinder of sensor

A dynamic test cylinder, external technology, applied in the fluid pressure actuation system test, fluid pressure actuation device, mechanical equipment and other directions, can solve the problems of difficult maintenance, high price, difficult manufacturing, etc., to achieve convenient installation, commissioning and maintenance , good practicability, moderate test accuracy

Inactive Publication Date: 2012-07-18
湖南睿创宇航科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Due to the difficulty of manufacturing, strong professionalism, difficult maintenance and high price, it has always been unique to professional production enterprises.

Method used

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  • External dynamic test cylinder of sensor
  • External dynamic test cylinder of sensor
  • External dynamic test cylinder of sensor

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Experimental program
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Embodiment Construction

[0021] The present invention is specifically described in conjunction with accompanying drawing, as figure 1 -Shown in 2, the overall structure of the device is mainly composed of three parts: dynamic cylinder, speed sensor 3 and displacement sensor 11;

[0022] Described dynamic cylinder is made up of piston 8, cylinder body 9 and the end cover 6 of cylinder body 9 both sides; The lower end cover 1 of the sensor is connected by screws, the moving rod of the speed sensor 3 is connected with the connecting screw 5 installed on the guide rod of the piston 8 through the connecting clip 4, and the speed sensor 3 is fixed on one side of the dynamic cylinder; the displacement sensor 11 is freely assembled on the lower end cover 10 of the displacement sensor, the upper end cover 12 of the displacement sensor is connected with the lower end cover 10 of the displacement sensor by screws, the iron core of the displacement sensor 11 is connected with the guide rod of the piston 8 throug...

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Abstract

The invention discloses an external dynamic test cylinder of a sensor, comprising a speed sensor (3), a piston (8) and a displacement sensor, the external dynamic test cylinder is characterized in that an integral structure is mainly composed of three parts: a dynamic cylinder, the speed sensor (3) and the displacement sensor (11). The external dynamic test cylinder of the sensor, provided by the invention, is easily manufactured, convenient for installing, debugging and maintaining, medium in test precision, and good in practicality, meets the frequency characteristic test requirement of an electro-hydraulic servo valve commonly used in the industry, and is particularly suitable for a test device and an experimental table for training and teaching.

Description

technical field [0001] The invention relates to the field of sensor experimental devices, in particular to an external sensor-mounted dynamic test cylinder. Background technique [0002] The frequency characteristic test is an important part of the dynamic performance test of the electro-hydraulic servo valve, and the dynamic test cylinder is a necessary device for the frequency characteristic test of the electro-hydraulic servo valve. The traditional dynamic test cylinder is built with specially designed and manufactured speed sensor and displacement sensor to obtain the flow signal of the tested valve and the position signal of the hydraulic piston, as shown in the attached image 3 shown. Due to the difficulty of manufacturing, strong professionalism, difficult maintenance and high price, it has always been unique to professional production enterprises. With the increasingly wide application of hydraulic servo technology, the demand for frequency characteristic testin...

Claims

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Application Information

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IPC IPC(8): F15B19/00
Inventor 李秀柏黄文梅
Owner 湖南睿创宇航科技有限公司
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