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Pneumatic instrument for measuring inside diameter of thin-wall bearing

A technology of pneumatic measuring instruments and bearing rings, which is applied in the direction of mechanical bearing testing, measuring devices, instruments, etc., can solve the problems of no effective measurement methods, achieve the effects of small human errors, high measurement accuracy, and avoid measurement marks

Inactive Publication Date: 2006-04-05
LUOYANG BEARING GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There is currently no effective method for measuring

Method used

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  • Pneumatic instrument for measuring inside diameter of thin-wall bearing
  • Pneumatic instrument for measuring inside diameter of thin-wall bearing

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Embodiment Construction

[0030] Specific embodiments of the present invention are described with reference to the accompanying drawings.

[0031] Such as figure 1 As shown, it mainly includes a gas-electric converter (existing) 11, an electronic display 12 (existing) and a pneumatic measuring head. The pneumatic measuring head adopts a cylindrical structure and is placed on a measuring device. Eight or more even-numbered nozzles 8 (eight are used in this embodiment), which spray compressed air through the nozzles to the inner diameter of the bearing ring 1 sleeved outside it, and the pneumatic measuring head 2 changes the air flow pressure into The change of the length value is converted by the gas-to-electric converter 11 , and the measured value is displayed on the electronic display through the amplifier 13 and the driving circuit 14 .

[0032] Such as figure 2 The measuring device package shown mainly includes a base 6 , an upper rotating disk 4 , and a lower rotating disk 5 . The lower rotatin...

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Abstract

The invention discloses a bearing ring optical density air gauge which comprises an electric translator (11), an electric display (12) and a air measurer(2) which adopts a column structure and is arranged on a measuring device; it inlets the condensed air through the grouter(8) of the air measurer(2) into the inner bearing ring (1)optical density, the air measurer(2) can use the electric translator (11) to change and use the electric display (12) to display the measuring value by the change of the length value of the draft force.

Description

Technical field [0001] The invention belongs to a bearing inner diameter measuring device, and mainly relates to a pneumatic measuring instrument for the inner diameter of a small and medium-sized thin-walled bearing ring. Background technique: [0002] At present, the thinnest wall thickness of small and medium-sized bearing rings is only 0.275mm, and the size and shape and position tolerances of thin-walled bearing rings are easily deformed when measured by traditional mechanical measuring instruments, which cannot be effectively measured; and due to the measurement force (usually 120 ~ 200g), the measured surface is easy to produce measurement marks, which affects the surface quality of the measured workpiece. This problem is a big problem in bearing processing and even the machinery industry. In particular, the influence is particularly prominent in the production process of military bearing rings, which have special technical requirements for flexible bearing rings: con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B13/10G01M13/04
Inventor 孙金花王景夏刘桥方张远乔卫红
Owner LUOYANG BEARING GROUP
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