Inside spline stick space vernier caliper

A vernier caliper and rod spacing technology, applied in the field of length measuring tools, can solve the problems of low measurement efficiency, unsuitability, and great influence on measurement accuracy, and achieve the effects of high measurement efficiency, convenient detection, and simple measurement operation.

Inactive Publication Date: 2008-08-20
JIANGSU AIRSHIP GEAR
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the existing technology can accurately measure the rod spacing of the internal spline, the measurement accuracy is greatly affected by human factors, the measurement

Method used

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  • Inside spline stick space vernier caliper

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with the embodiments and accompanying drawings.

[0014] The internal spline bar pitch vernier caliper shown in the accompanying drawing includes a ball measuring head 1, an auxiliary scale 2 and a main scale 3. The surface of the cross bar of the main chi 3 is provided with a scale 3.2, and the drooping bar of the main chi 3 is a left measuring claw 3.1. The cross bar surface of described auxiliary chi 2 is provided with scale 2.2, and auxiliary chi 2 is sleeved on the main chi 3 cross bar and can move left and right, and the drooping bar of auxiliary chi 2 is the right measuring claw 2.1. The outside of the head of the left measuring claw 3.1 and the right measuring claw 2.1 is equipped with a ball measuring head 1, and the two ball measuring heads 1 are on the same axis and are parallel to the cross bar of the main scale 3. The two ball probes 1 used to measure the splines in the same size have the...

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Abstract

The invention discloses a vernier caliper of the pitch interval of bars with internal spline, which comprises spherical measuring heads, a secondary ruler and a main ruler. The main ruler is a right-angled component, scales are arranged on a transverse rod of the main ruler, and a lower vertical rod of the main ruler is a left measuring jaw. The secondary ruler is a right-angled component, a lower vertical rod of the secondary ruler is a right measuring jaw, scales are arranged on the surface of a transverse rod of the secondary ruler, and the secondary ruler body is sheathed on the transverse rod of the main ruler and can move in left and right direction. The spherical measuring head is respectively assembled on the outer lateral surfaces of the left measuring jaw and the right measuring jaw, and two spherical measuring heads are positioned at the same shaft line and parallel to the transverse rod of the main ruler. When in actual measurement, the spherical measuring head is correspondingly selected according to the size of the internal spline measured, zero-calibration is implemented according to the size of the pitch interval of design bars of the internal spline measured, and the size that deviates from a zero position in actual measurement is a deviation value. The vernier caliper of the pitch interval of bars with the internal spline has convenient measurement, accuracy, high efficiency and no special environmental requirements in measurement, and is particularly suitable for being used as a measuring tool for detecting the pitch interval of the bars with internal spline in batch in a production spot.

Description

technical field [0001] The invention relates to a length measuring tool, in particular to a special measuring tool for measuring the distance between inner spline rods. Background technique [0002] The fit of internal and external splines is one of the common structures in mechanical equipment. The spline rod spacing, tooth shape and position accuracy directly determine its fit quality. The measurement of the rod spacing of the external spline is relatively simple, and can be accurately measured with a conventional length vernier caliper, while the measurement of the rod spacing of the internal spline hole is much more difficult than that of the external spline. In the prior art, the measuring tool for measuring the distance between the internal spline rods is composed of a measuring rod and a standard gauge block. When measuring, put the measuring rod into the tooth groove opposite to the internal spline, and insert the standard gauge block between the two measuring rods u...

Claims

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Application Information

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IPC IPC(8): G01B5/14G01B3/18
Inventor 葛晓明周智慧
Owner JIANGSU AIRSHIP GEAR
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