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Shaft neck measurement device

A measuring device and journal technology, which is applied in the field of journal measuring devices, can solve the problems of measuring equipment purchase, high maintenance cost, measurement position and clamping method constraints, etc., and achieve fast measurement problems, good results, and low manufacturing costs. Effect

Inactive Publication Date: 2013-11-06
常州市双成工具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The advantages of this measurement method are high measurement accuracy, high accuracy, and intuitive measurement results. The disadvantages are that the purchase and maintenance costs of measurement equipment are high, professional measurement personnel are required, and it is restricted by the measurement position and clamping method of the workpiece.

Method used

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Embodiment Construction

[0014] Reference figure 1 with figure 2 , A journal measuring device of the present invention includes a supporting seat 1, a watch cover 2, a dial indicator 3. The support base 1 is provided with a trapezoidal groove 4 extending from the lower end to the upper end of the support base 1, and the crankshaft 7 is clamped in the trapezoidal groove. The upper end surface of the support 1 is provided with a through hole 5 communicating with the trapezoidal groove, one end of the watch cover 2 is inserted into the through hole, the dial gauge 3 is fixed on the watch cover, and the probe of the dial gauge 3 penetrates Extend the watch cover into the trapezoidal groove 4. The through hole 5 is a strip hole, and the watch cover 2 is slidably fitted in the strip hole. A rectangular hole is provided on the side of the support base 1. The rectangular hole communicates with the through hole, and a set screw 6 penetrates The over-rectangular hole is threaded to the watch sleeve.

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Abstract

The invention relates to a shaft neck measurement device which comprises a supporting seat, a gauge cover and a dial gauge. A trapezoid-shaped groove is formed in the supporting seat, the trapezoid-shaped groove extends from the lower end face of the supporting seat to the upper end of the supporting seat, a through hole which is communicated with the trapezoid-shaped groove is formed in the upper end face of the supporting seat, one end of the gauge cover is inserted into the through hole, the dial gauge is fixed on the gauge cover, and a measuring head of the dial gauge penetrates through the gauge cover and stretches into the trapezoid-shaped groove. The shaft neck measurement device has the advantages of being simple in structure and accurate in measurement.

Description

Technical field [0001] The invention relates to a journal measuring device. Background technique [0002] The body, cylinder head, crankshaft, connecting rod, and camshaft are collectively referred to as the five key parts of the engine. The machining accuracy of these five key parts will directly affect the engine's power and reliability. The crankshaft is the main moving part of the engine and the main part of power transmission. The working conditions are very bad, which directly affects the overhaul life of the engine. Because the crankshaft product itself has high design accuracy and high processing accuracy, the measurement of the crankshaft is a necessary process in online mass production. [0003] In the early days, external calipers + steel rulers were often used to measure shaft diameters that were not demanding. This was often used in rough turning. This method can only be measured more accurately by people with rich practical experience. Under normal circumstances, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/08
Inventor 王双成
Owner 常州市双成工具有限公司
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