Special auxiliary reading device for large length measuring machine and application thereof

A technology of reading device and length measuring machine, which is applied in the direction of measuring devices, optical devices, instruments, etc., can solve problems such as inability to complete readings, achieve the effects of improving the efficiency and consistency of detection work, easy to use, and simple in structure

Pending Publication Date: 2021-06-01
HUDONG HEAVY MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the above-mentioned deficiencies in the prior art, the present invention provides a special auxiliary reading device for a large-scale length measuring machine and its application. The reading cannot be completed when one person works, and two people are required to cooperate with the reading

Method used

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  • Special auxiliary reading device for large length measuring machine and application thereof
  • Special auxiliary reading device for large length measuring machine and application thereof
  • Special auxiliary reading device for large length measuring machine and application thereof

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Embodiment Construction

[0030] The following is a detailed description of the embodiments of the present invention: this embodiment is implemented on the premise of the technical solution of the present invention, and provides detailed implementation methods and specific operation processes. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention.

[0031] The embodiment of the present invention provides a special auxiliary reading device for a large length measuring machine, such as Figure 6 As shown, it includes: a fixed base 1, a damping shaft 3 and a plane mirror 2, and the damping shaft 3 is installed on the bottom end of the plane mirror 2; wherein:

[0032] The fixed base 1 is a U-shaped open structure, and is provided with a set of opposite circular holes 4 and a set of opposite arc grooves 5, such as figure 2 shown. Th...

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Abstract

The invention provides a special auxiliary reading device for a large length measuring machine. The device comprises a fixed base, a damping rotating shaft and a plane mirror, and the damping rotating shaft is mounted at the bottom end of the plane mirror; the fixed base is of a U-shaped opening type structure and is provided with a group of round holes opposite in position and a group of arc grooves opposite in position, the plane mirror is located in the fixed base, the bottom end of the plane mirror is fixed to the round holes of the fixed base through the damping rotating shaft, the top end of the plane mirror is installed on the arc groove of the fixed base and can move along the track of the arc groove. Meanwhile, the invention provides a JD21 type projection two-meter length measuring machine adopting the special auxiliary reading device. Through the reflection principle of the plane mirror, the reading device which originally needs to be perpendicular to the window can read at the horizontal position now. The working efficiency and accuracy of inspection are improved.

Description

technical field [0001] The invention relates to the technical field of detection accuracy of large-scale length measuring machines, in particular to a special auxiliary reading device for large-scale length-measuring machines and its application, which are used to improve the accuracy of large-scale length-measuring machines when measuring the size of super-long workpieces. Background technique [0002] JD21 projection two-meter length measuring machine is a large-scale precision length measuring instrument. Through the principle of optical projection, it can accurately measure and read the internal and external dimensions of some ultra-long workpieces, and use the comparison method to verify the dimensions of the workpieces greater than 100mm. 4. Five equal gauge blocks and proofreading rods for direct measurement of outer micrometers, inner diameter micrometers and self-made measuring rods are used to measure the inner dimensions, inner diameter diameter and outer thread pi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/02
CPCG01B11/02
Inventor 王中
Owner HUDONG HEAVY MACHINERY
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