Measuring instrument and its measuring method

A technology of measuring instruments and gauges, which is applied in the direction of measuring devices, mechanical diameter measurement, mechanical measuring devices, etc., can solve the problems of incomplete measurement data, cumbersome measurement steps, and inaccurate measurement data, so as to achieve simple measurement, fast and accurate inspection , the effect of accurate and reliable data

Active Publication Date: 2019-01-29
长沙水泵厂有限公司
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Problems solved by technology

[0004] Both of the above two measurement methods have the defects of cumbersome measurement steps, inaccurate measurement data, and incomplete measurement data. Therefore, how to implement a simple measurement method with a measuring instrument to quickly measure whether the manufactured impeller meets its design size and machining accuracy has become a crucial issue

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  • Measuring instrument and its measuring method
  • Measuring instrument and its measuring method
  • Measuring instrument and its measuring method

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Embodiment Construction

[0042] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0043] Taking the measuring impeller as an example, the structure of the measuring instrument provided by the present invention is described in detail.

[0044] see figure 1 , is the application state diagram of the measuring instrument provided by the present invention. The impeller 200 to be tested includes a hub 201 , a through hole 203 opened in the center of the hub 201 , and a plurality of blades 205 arranged around the hub 201 . The measuring instrument 100 includes a measuring body 1 , a height scale 2 , a bracket 3 , a tie rod 4 , an expansion bush 5 , a snap ring 6 , a special nut 7 , a radial scale 8 and a 360 gauge 9 .

[0045] Please refer to figure 2 with image 3 ,in, figure 2 for figure 1 Schematic diagram of the structure of the measuring instrument shown, image 3 for figure 2 Schematic diagram of another angle structure of ...

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Abstract

The invention provides a measurement instrument and a measurement method thereof. The measurement instrument comprises a measurement body, a height scaleplate, a bracket, a pull rod, a radial scaleplate and a 360-degree measurement gauge, wherein the measurement body comprises a conical body and two sliding elements which are symmetrically arranged at the outer side of the conical body and can slide along the outer side of the conical body, one end of the height scaleplate penetrates through the conical body, an inner hole and a through groove penetrating the outer circumferential surface of the height scaleplate and communicated with the inner hole are formed in the other end, one end of the pull rod is inserted into the inner hole, the bracket penetrates the through groove and is connected with the pull rod, the radial scaleplate penetrates the through groove and is arranged at the bracket, and the 360-degree measurement gauge is fixedly arranged at the end of the radial scaleplate. The measurement instrument can measure a space location dimension of a blade and a cone diameter and angle of the blade; the measurement method provided by the invention is simple and rapid in measurement; and the measured data is precise and reliable, and the production efficiency of an impeller is effectively improved.

Description

【Technical field】 [0001] The invention relates to the field of measuring equipment, in particular to a measuring instrument and a measuring method thereof. 【Background technique】 [0002] A pump is a machine used to increase the pressure of a liquid or gas to make it flow. It is widely used in agriculture, mining and manufacturing. The impeller is an essential part in the operation of the pump, and the requirements for the dimensional accuracy of its production and manufacturing are getting higher and higher. [0003] In related technologies, there are usually two methods for measuring twisted blades: one is to clamp the impeller with a dividing head, erect a height gauge on the platform, rotate the dividing head to obtain the angle, and the height gauge can measure a certain point on the blade. The other is to pour wax on the impeller flow channel with the front cover removed. After the wax solidifies, the flow channel model can be obtained, and the wax model data can be d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B5/06G01B5/08G01B5/24G01B5/00
CPCG01B5/00G01B5/061G01B5/08G01B5/24
Inventor 曾健英谭东驰
Owner 长沙水泵厂有限公司
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