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Zero adjusting device for magnetic performance parameter test of torque motor

A torque motor and parameter testing technology, applied in the field of measurement, can solve the problem of lack of better methods and devices, and achieve the effect of ensuring precision and realizing errors

Active Publication Date: 2015-04-29
BEIJING RES INST OF PRECISE MECHATRONICS CONTROLS +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For the zero position adjustment of the torque motor, there is no good method and device at home and abroad at present

Method used

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  • Zero adjusting device for magnetic performance parameter test of torque motor
  • Zero adjusting device for magnetic performance parameter test of torque motor

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Embodiment Construction

[0016] The technical solutions of the present invention will be clearly and completely described below in conjunction with the drawings and specific implementation methods of the present invention.

[0017] Such as figure 1 The schematic diagram of the overall structure of the zero position adjustment device for torque motor magnetic performance parameter testing in the present invention is shown, wherein the measuring rod 2 is rigidly connected with the components to be zeroed in the torque motor 1, and the top of the measuring rod 2 is inserted between the chucks 3 , The collet 3 is installed on the collet mounting seat 7, one end of the micro force sensor 4 is fixed on the collet mounting seat 7 through threads, and the other end is connected with the micro-motion mechanism 5 through threads. By adjusting the adjustment screw 6 on the left side of the collet 3, the collet 3 can clamp the measuring rod 2, and manually push the torque motor 1 to move it along the axial direct...

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Abstract

The invention provides a zero adjusting device for a magnetic performance parameter test of a torque motor. The zero adjusting device comprises a measuring bar (2), chucks (3), a micro force sensor (4), an inching mechanism (5) and an adjusting screw (6), wherein the measuring bar (2) is rigidly connected with a to-be-zeroed component in the torque motor (1); the measuring bar (2) is inserted between the chucks (3); the chucks (3) are arranged on a chuck installation base (7); the left sides of the chucks (3) can be manually adjusted through the adjusting screw (6); one end of the micro force sensor (4) is fixed on the chuck installation base (7) through threads, and the other end of the micro force sensor (4) is connected with the inching mechanism (5). Fine tuning of the micro mechanism (5) is realized through cooperation of a hand wheel (8), a micrometer screw (9), a big gear (10) and a pinion (11); the two ends of the measuring bar (2) are in point contact with the chucks (3). The zero adjusting device can be used for meeting fine-tuning needs, realizing minimization of zero adjusting errors, and guaranteeing zero adjusting accuracy.

Description

technical field [0001] The invention belongs to the technical field of measurement, and in particular relates to a zero adjustment device, in particular to a zero adjustment device for torque motor magnetic performance parameter testing. Background technique [0002] The electro-hydraulic servo valve is the core precision control element of the servo system, which converts the current signal of the milliamp level into a hydraulic flow signal that controls the movement of the servo mechanism. The torque motor is an important electromechanical conversion element commonly used in the electro-hydraulic servo valve, and its characteristics are closely related to those of the servo valve. The test of the magnetic performance parameters of the torque motor can provide a reliable basis for improving the overall performance of the electro-hydraulic servo valve in the future. [0003] The force characteristic test is an indispensable item in the torque motor magnetic performance para...

Claims

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Application Information

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IPC IPC(8): G01M15/02
Inventor 刘雅洁王书铭左哲清丁忠军
Owner BEIJING RES INST OF PRECISE MECHATRONICS CONTROLS
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