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V-shaped positioning inner diameter and outer diameter comparison measuring instrument

A comparative measurement and positioning technology, applied in the field of measuring instruments, can solve the problems affecting measurement repeatability and measurement accuracy, poor measurement sensitivity, and inability to guarantee measurement force, etc., to achieve V-shaped positioning stability, high measurement accuracy, and measurement. constant force effect

Active Publication Date: 2021-07-23
柳州科路测量仪器有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If horizontal positioning is adopted, it is necessary to add auxiliary thrust manually to keep the positioning stably, while the measuring force of the fixed measuring head of the instrument is the sliding force of the specimen. The weight of the specimen is different and the sliding force is different, which cannot guarantee a stable measuring force. ; If vertical positioning is adopted, the measuring force of the movable probe needs to be increased to maintain the positioning, but large measuring force will produce large contact deformation, and the measurement sensitivity is poor
Whether the above-mentioned single positioning contact is positioned horizontally or vertically, it will affect the measurement repeatability and measurement accuracy

Method used

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  • V-shaped positioning inner diameter and outer diameter comparison measuring instrument
  • V-shaped positioning inner diameter and outer diameter comparison measuring instrument
  • V-shaped positioning inner diameter and outer diameter comparison measuring instrument

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Embodiment 2

[0030] Such as Figure 7 , Figure 8 and Figure 9 The shown embodiment 2, the difference between embodiment 2 and embodiment 1 is: the base 1 of the instrument is made of granite stone, a rectangular groove is processed on the base table, and then a metal rectangular groove 18 is inserted, and then the slide The shaft measuring assembly is fixed in the metal rectangular groove 18, and the rest of the technical features are the same as those in Embodiment 1.

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Abstract

The invention discloses a V-shaped positioning type inner diameter and outer diameter comparison measuring instrument, which belongs to the technical field of measuring instruments. It has a base and a sliding shaft measurement assembly. The cross-sectional shape of the base is an isosceles right triangle or an ordinary isosceles triangle. There is a rectangular slot along the length direction, and a pair of positioning posts are installed symmetrically on both sides of the axis of the rectangular slot at one end of the base table, and the sliding shaft measuring assembly is installed in the rectangular slot, and the sliding shaft measuring assembly includes a sliding shaft , Install the sliding shaft seat and the clamping table sliding seat on the sliding shaft, install the clamping table seat for clamping the indicator table on the clamping table sliding seat, install a fixed measuring head on one end of the sliding shaft, and the upper and lower ends of the sliding shaft have Eyelets for tying knots. Compared with the prior art, the present invention does not need to readjust the position of the positioning contact for the tested pieces with different diameters, it can measure both the inner diameter and the outer diameter, and has good measurement repeatability and high measurement accuracy.

Description

technical field [0001] The invention relates to the technical field of measuring instruments, in particular to a V-shaped positioning type inner diameter and outer diameter comparison measuring instrument for measuring ring-shaped test pieces. Background technique [0002] Traditional comparative measuring instruments used to measure ring gauges, inner diameters or outer diameters of bearing outer rings or inner rings generally use a single positioning contact for positioning, and adjust the position of the positioning contact so that the measurement line of the instrument sensor passes accurately. The diameter axis line of the test piece, that is, the diameter line, and each time a test piece with a different diameter is measured, the position of the positioning contact needs to be readjusted so that the measurement line of the instrument sensor accurately passes through the diameter axis line of the test piece , it is very troublesome to operate and use. If horizontal pos...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B5/08G01B5/12G01B21/10G01B21/14
CPCG01B5/0002G01B5/08G01B5/12G01B21/10G01B21/14
Inventor 全贻智金熠古小灵
Owner 柳州科路测量仪器有限责任公司
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