Mechanical portable measuring instrument

A measuring instrument, mechanical technology, applied in the direction of mechanical measuring device, mechanical thickness measurement, mechanical counter/curvature measurement, etc., can solve the limitation of flexibility and scope of use, cannot be measured on-site, and the cylindricity meter is expensive and other problems, to achieve the effect of simple and reasonable structure, favorable portability and convenient operation
CN101749998AActive Publication Date: 2010-06-23江南工业集团有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
江南工业集团有限公司
Publication Date
2010-06-23

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Abstract

A mechanical portable measuring instrument is technically characterized in that the measuring instrument comprises a supporting device, a positioning device and a measuring device, a linear guide rail pair 3 is mounted on a base 4 of the supporting device, and four adjusting nuts 1 are mounted on the lower end of the base 4; the positioning device comprises a positioning sliding block 8, four rail bearings 5 mounted at the bottom of the positioning sliding block 8 ensure the positioning sliding block 8 to move stably along the linear guide rail pair, a positioning base body 7 and two supporting base bodies 6 are mounted on the positioning sliding block 8, the measured piece can be radially positioned by a supporting bearing 9 and a positioning bearing 22; a sliding measuring base 18 of the measuring device can move along the oblique dovetail groove of an adjusting base 21 for adjusting the upper and lower measuring positions of a bracket body 14, a fixed measuring head 11 of the bracket body 14 is positioned at the bus bar position of the measured piece by an adjusting screw rod 20, and a counterweight block 16 enables the bracket body 14 to maintain floating balanced state around a rotary shaft 15 all the time. The mechanical portable measuring instrument has the advantages of good repeatability, high measurement accuracy, wide measurement range, simple structure, convenient operation and good portability.
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Description

technical field

[0001] The invention relates to a mechanical portable measuring instrument, belonging to the technical field of measuring instruments, which is mainly suitable for precise measurement of the wall thickness of cylinders and cones, as well as geometric parameters such as cylinder roundness, cylindricity and coaxiality. Background technique

[0002] With the continuous development of modern processing technology, the precision requirements of product processing are constantly improving, thus putting forward new requirements for testing instruments. In the background technology, calipers are generally used in China to measure the wall thickness of cylinders and cones, etc., and cylindricity meters are used to measure the roundness, cylindricity and coaxiality of cylinders. Due to the poor measurement accuracy of the caliper, the small range, and poor measurement repeatability; and the cylindricity meter is expensive and bulky, and cannot be used for on-site measu...

Claims

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