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Measuring unit of portable general major-diameter measuring gauge

A measuring unit, large-diameter technology, applied in the direction of mechanical diameter measurement, etc., can solve the problems of cumbersome operation and complicated mechanism.

Inactive Publication Date: 2010-02-17
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

One of the methods to solve this problem is to reduce the distance between the positioning element and the fixing mechanism as much as possible, which must have limitations and limitations in structure; another method, as proposed in Chinese patent (application number 200710024997.4), is in the measurement unit There are several auxiliary supporting mechanisms on the body, but this will make the operation cumbersome and the mechanism complicated

Method used

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  • Measuring unit of portable general major-diameter measuring gauge
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  • Measuring unit of portable general major-diameter measuring gauge

Examples

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Embodiment Construction

[0017] Such as figure 2 , image 3 and Figure 6 As shown, a measurement unit 1 embodiment of a portable general-purpose large-diameter measuring gauge includes: a body 13, a first positioning post 11 connected to two ends of the body 13, a second positioning post 12 and a first fixing mechanism 14 and a second positioning post 12. Fixing mechanism 15, wherein the outer surfaces of the first positioning column 11 and the second positioning column 12 are cylindrical surfaces, the first fixing mechanism 14 is arranged on the first positioning column 11, and the second fixing mechanism 15 is located on the second positioning column 12 .

[0018] In this example, if Figure 4 As shown, a first cavity 111 is provided in the first positioning column 11, and the first fixing mechanism 14 is arranged in the first cavity 111, including a first permanent magnet 141, a first screw rod 142 and a first knob 143. A screw 142 is threadedly connected with the screw hole 112 in the first ...

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Abstract

The invention discloses a measuring unit of a portable general major-diameter measuring gauge, comprising a body, a first locating column and a second locating column, and a first fixing mechanism anda second fixing mechanism, which are connected at two ends of the body, wherein the outer side surfaces of the first locating column and the second locating column are cylindrical surfaces; the measuring unit is characterized in that: the first fixing mechanism is arranged on the first locating column and the second fixing mechanism is arranged on the second locating column. The first fixing mechanism and the second fixing mechanism are respectively arranged on the first locating column and the second locating column, thereby avoiding flexural deformation of the body caused by fixing force, effectively improving the measuring precision and simplifying the structure.

Description

technical field [0001] The invention provides a measuring unit of a portable general large-diameter measuring gauge, which is used for high-precision measuring of large diameters and belongs to the technical field of length measurement. Background technique [0002] Large diameter measurement has always been a relatively difficult problem. Chinese patent (patent No. 96117113.8 and application No. 200710024997.4) and US patent (patent No. 6330753B1) describe a portable universal large diameter measuring gauge and its measurement method. This measuring gauge consists of a series of independent measuring units and a device or accessory for measuring the so-called closed size, each of which includes a body, two positioning elements located at both ends of the body, several built-in A fixing mechanism for permanent magnets, and several auxiliary positioning mechanisms. When measuring a large diameter, place each measuring unit head-to-tail or tail-to-head in turn and fix it on t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/08G01B5/12
Inventor 李彬
Owner SOUTHEAST UNIV