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Inner diameter measuring instrument

A technology for measuring instruments and inner diameters, applied in the field of inner diameter measuring instruments, can solve problems such as inaccurate center positioning and complex structure, and achieve the effects of accurate center positioning, high measurement accuracy, and convenient operation

Pending Publication Date: 2020-03-17
上海履善精工科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide an inner diameter measuring instrument for solving the problems of complex structure and inaccurate center positioning of the optical measuring instrument in the prior art

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Embodiment Construction

[0019] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification.

[0020] see Figure 1-2 . It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the present invention. Limiting conditions, so there is no technical substantive meaning, any modification of structure, change of proportional relationship or adjustment of size, without affecting the effect and purpose of the present invention, should still fall within the scope of the present invention. The disclosed technical content must be within the scope covered. At the same time, te...

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Abstract

The invention discloses an inner diameter measuring instrument. The measuring instrument comprises a shell, a measuring mechanism and a fixing mechanism, wherein a front end of the shell is connectedwith the measuring mechanism, the fixing mechanism is arranged in the shell, the measuring mechanism comprises a laser range finder, a connecting handle and a cable plug, the connecting handle is of ahollow structure, the laser range finder is arranged at a front end of the connecting handle, the cable plug is fixedly installed at a rear end of the connecting handle, and the laser range finder isconnected with the cable plug through a cable. The measuring instrument is advantaged in that a fixing ring in the fixing mechanism is located in the center of the interior of the shell, and the fixing ring is in fixed connection with the shell. The measuring instrument is advantaged in that the measuring mechanism connected with a front end is always located on the central axis of the whole instrument, a fixing block connected with a front end of a fixing frame can be tightly attached to an inner side wall of an aperture, that the instrument is always located in the center of the measured inner diameter is guaranteed, and the whole instrument is simple in structure, convenient to operate, accurate in center positioning and high in measuring precision.

Description

technical field [0001] The invention relates to the field of precision machinery, in particular to an inner diameter measuring instrument. Background technique [0002] In recent years, precision measurement technology has developed rapidly, and the results are gratifying. For example, online measurement technology can display the processing status in real time and detect abnormal conditions in time, which can greatly improve production efficiency. For machine tool control devices, high precision, low cost, and miniaturization are required. [0003] At present, the aperture measurement methods adopted at home and abroad can be divided into contact measurement and non-contact measurement, and contact measurement mainly includes coordinate measuring machine measurement method and electrical contact method. The coordinate measuring machine measurement method is complicated to operate, especially the influence of the contact force will cause the mechanical deformation of the m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/12
CPCG01B11/12
Inventor 金道军
Owner 上海履善精工科技有限公司
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