Calibration tool for inner diameter gauge
A gauge and tooling technology, which is applied to the field of inner diameter gauge calibration tooling, can solve the problems of reduced calibration accuracy, easy deflection and shaking, and unreliable positioning of the fixing clip, so as to reduce the measurement error, improve the clamping effect, and reduce the clamping effect. solid effect
Active Publication Date: 2020-12-18
CRRC QINGDAO SIFANG CO LTD
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Problems solved by technology
This patent uses a fixing clip to clamp the straight pipe part of the inner diameter gauge to fix the inner diameter gauge, but the positioning of the fixing clip is not reliable, and it is prone to deflection and shaking, resulting in a decrease in calibration accuracy
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[0036] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0037] Such as Figure 1 to Figure 5 As shown, a calibration tool for an inner diameter gauge includes a base 1, a lifting module connected to the base 1, and a clamping module rotatably connected to the lifting module, the clamping module is used to clamp and fix the inner diameter gauge 100, and It can be adjusted up and down relative to the base 1 through the lifting module.
[0038] Specifically, the clamping module includes a clamping seat 2 , a pressing block 3 , a pair of clamping screws 4 and a pressing screw 5 . The lifting module includes a first lifting module and a second lifting module. Wherein, the first lifting module includes a first guide column 9 vertically installed on the base 1, a first lifting platform 7 slidingly matched with the first guiding column 9, and a first lock installed on the first lif...
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The invention relates to an inner diameter gauge calibration tool. The inner diameter gauge calibration tool comprises a pedestal, a lifting module connected with the pedestal, and a clamping module rotationally connected with the lifting module; the clamping module can be regulated up and down relative to the pedestal, and the clamping module comprises a clamping base rotationally connected withthe lifting module and comprising a concave opening, a pressing block which is in cooperation with the concave opening of the clamping base and can move back and forth relative to the concave opening,and a pair of clamping screws which are in threaded connection with two sides of the concave opening and pass through a sidewall of the concave opening, wherein the two clamping screws can move leftwards and rightwards relative to the concave opening. The inner diameter gauge calibration tool can clamp and fix the inner diameter gauges of different specifications, satisfy calibration requirementson the inner diameter gauge, and has the characteristics of being convenient to use and highly applicable.
Description
technical field [0001] The invention relates to a calibration tool for a measuring instrument, in particular to a calibration tool for an inner diameter gauge. Background technique [0002] When calibrating the inner diameter gauge, it needs to be placed on the calibration instrument and fixed. At present, the existing fixture can only meet the verification and calibration of the inner diameter gauge of the straight pipe with a small diameter. The inner diameter gauge of the cylindrical straight pipe cannot be clamped, so it cannot be verified and calibrated. The Chinese utility model patent with the application number: 201120408110.3 discloses a calibration instrument for an inner diameter dial indicator, which includes a base, a positioning block fixed on the base, a fixed rod fixed on the base, and a fixed rod that can be set on the fixed rod and can move up and down along the fixed rod. A sliding fixing clip, a slider arranged on the base that can slide left and right a...
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IPC IPC(8): G01B5/12
CPCG01B5/12G01B21/042
Inventor 孙镱玮张晓磊刘述辉周腾飞辛江龙
Owner CRRC QINGDAO SIFANG CO LTD