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Detection device of distance between crankshaft locating surface and axis, and usage method thereof

A detection device, positioning surface technology, applied in the direction of measuring device, mechanical measuring device, using mechanical device, etc., can solve the problems of high labor intensity, can not be found in time, the same quality problems, etc., to reduce fatigue strength and reduce quality problems risk, the effect of improving efficiency

Pending Publication Date: 2019-10-18
桂林福达曲轴有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of detection method needs to manually transport the crankshaft to the platform, which is labor-intensive; it takes more than 5 minutes to complete the detection of a crankshaft, and the detection efficiency is low; because off-line detection is required, when there is a size defect, it cannot be found online in time. It is easy to cause multiple products to have the same quality problem

Method used

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  • Detection device of distance between crankshaft locating surface and axis, and usage method thereof
  • Detection device of distance between crankshaft locating surface and axis, and usage method thereof
  • Detection device of distance between crankshaft locating surface and axis, and usage method thereof

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Embodiment

[0043] Reference Figure 1-6 , A device for detecting the distance between the crankshaft positioning surface and the shaft center, comprising a connecting rod 3, a positioning device and a measuring device provided on the connecting rod 3;

[0044] The positioning device includes a connecting rod positioning frame 2, a connecting rod positioning block 6, and a spindle positioning block 1 in an inverted Y shape;

[0045] The upper part of the inverted Y-shaped spindle positioning block 1 is provided with a connecting hole 13, and the included angle 19 of the lower V-shaped opening is 120 degrees;

[0046] The connecting rod positioning frame 2 is composed of a longitudinal block 2-1 and a horizontal block 2-2 in an L shape;

[0047] A connecting hole is opened on the longitudinal block 2-1 of the connecting rod positioning frame 2, and an assembly counterbore 15 is longitudinally opened on the transverse block 2-2 of the connecting rod positioning frame 2;

[0048] The connecting rod po...

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Abstract

The invention discloses a detection device of distance between crankshaft locating surface and axis, and usage method thereof. The detection device comprises a joint lever, and a locating device and ameasuring device both arranged on the joint lever; the locating device comprises a connecting rod locating frame, a connecting rod locating block, and two main shaft locating blocks in the form of areversed Y; the measuring device comprises a dial indicator and a L-shaped dial indicator frame; the main shaft locating blocks, the connecting rod locating frame and the dial indicator frame are connected on the joint lever serially through connection holes. The detection device provided by the invention is light in weight and convenient to take and operate quickly, and reduces fatigue strength of carrying a crankshaft in the conventional platform detection method. Detection can be completed quickly within 10 seconds, time for adjusting the crankshaft to a horizontal plane in the conventionalplatform detection method is reduced, and product detection efficiency is improved. The detection device can perform online real-time detection, can discover quality problems in production, and reduces risks of failure in quickly discovering the quality problems in production of the conventional platform detection method. The detection device and the usage method thereof provided by the inventionare suitable for being generalized and used in mass industrial production.

Description

Technical field [0001] The invention belongs to the technical field of automobile parts manufacturing, and specifically relates to a detection device for the distance between a crankshaft positioning surface and a shaft center and a method of use thereof. Background technique [0002] The crankshaft is a slender and complex workpiece. In an automobile engine, it is a long shaft that rotates at high speed. It is mainly composed of a main shaft journal, an oil seal journal, a gear journal, a pulley shaft, and a crank arm. [0003] Crankshaft is a key component of automobile engine, and its assembly requirements are high. Some of the crankshafts need to use the positioning surface for positioning during assembly, so the distance between the positioning surface and the axis needs to be guaranteed. At present, in the machining industry, this size is usually tested on the platform, and tools such as support frame, height ruler, dial indicator and so on are needed. This type of detectio...

Claims

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Application Information

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IPC IPC(8): G01B5/14
CPCG01B5/14G01B5/003G01B5/0002
Inventor 李成邓诗贵唐建军黄学文
Owner 桂林福达曲轴有限公司
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