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High precision sensor protection device

A technology of protection devices and sensors, applied in the direction of measuring devices, instruments, etc.

Active Publication Date: 2017-11-24
ANHUI HAOFANG ELECTROMECHANICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem of accurate measurement of the circular runout of the discontinuous circular surface of the part and the protection of the sensor, and provide a high-precision sensor protection device

Method used

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Embodiment Construction

[0015] High-precision sensor protection devices, such as figure 1 and figure 2 As shown, it includes a universal strut 1, the universal strut 1 is adjustably connected to the cantilever 2 through an adjustable hoop 2a, one end of the cantilever 2 is fixedly connected with a cylindrical tubular shell 3 through a fixed hoop 2b, and the center of the tubular shell 3 The hole is set as a three-step circular step hole 3a, a set screw hole 3b is set on the side wall of the upper step hole, and a non-rotation hole 3c is set on the side wall of the bottom step hole, and the anti-rotation hole 3c is a threaded hole. A hollow cylindrical ferrule 4 is assembled in the upper step hole, and the inner hole of the ferrule 4 is socketed with a sensor 5 . A set screw 6 is assembled in the set screw hole 3b, and the set screw 6 compresses the ferrule 4, and the ferrule 4 clamps the sensor 5 tightly.

[0016] A cylindrical moving slider 8 is installed in the lower step hole, and one end of th...

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Abstract

The invention relates to a high-precision sensor protection device, which is characterized in that a tubular shell (3) is connected to an adjustable bracket, a center hole of the tubular shell (3) is set to be a three-step stepped hole (3a), the upper stepped hole is connected to a hollow clamping sleeve (4), and an inner hole of the clamping sleeve (4) is provided with a sensor (5) in a sleeved mode; the lower stepped hole is connected to a moving sliding head (8), one end of the moving sliding head (8) is provided with a cap (8b) matched with a step surface of the lower stepped hole, the other end of the moving sliding head (8) is provided with a contact sliding head (8c), and the contact sliding head (8c) is provided with a circular arc surface (8d) which is contacted and matched with a cylindrical surface to be detected; a spring (7) is connected between the moving sliding head (8) and the clamping sleeve (4); and a moving measurement probe (5a) of the sensor (5) is contacted with the moving sliding head (8). The high-precision sensor protection device has the significant effects that point contact between the moving measurement probe and a discontinuous circular surface is avoided, influences imposed on circular runout measurement by pits, opened holes, processing slots and the like are effectively reduced, and the sensor is effectively protected.

Description

technical field [0001] The invention relates to a circular runout measuring device, in particular to the installation and protection of sensors in the circular runout measuring device. Background technique [0002] On the cylindrical surface of a part, if a section of the cylindrical surface is not continuous due to drilling or opening of grooves, process grooves, etc., the cylindrical surface of this section is called a discontinuous circular surface. When measuring the circular runout of a discontinuous circular surface, if the moving measuring probe of the sensor is directly in contact with the discontinuous circular surface, then due to the influence of the hole or the groove opened, the process groove, etc., it will not only cause more Large measurement errors or measurement failures can easily damage expensive sensors in collisions and vibrations. Contents of the invention [0003] The object of the invention is to solve the problem of precise measurement of the cir...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B21/20G01B21/00
CPCG01B21/00G01B21/20
Inventor 周召召闫建军杨波
Owner ANHUI HAOFANG ELECTROMECHANICS
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