Device for measuring wall thickness

A technology of measuring feet and measuring rods, applied in the direction of mechanical thickness measurement, etc., can solve the problems of inability to cover the surface, low operation efficiency, etc., to achieve the effect of improving measurement efficiency, convenient operation, and ensuring measurement accuracy

Inactive Publication Date: 2019-02-15
CHINA HANGFA SOUTH IND CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The invention provides a device for measuring wall thickness to solve the technical problems that the existing means for measuring wall thickness cannot cover all surfaces with wall thickness requirements and the operation efficiency is low

Method used

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  • Device for measuring wall thickness
  • Device for measuring wall thickness

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Embodiment Construction

[0029] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in various ways defined and covered below.

[0030] Such as figure 1 with figure 2 As shown, the preferred embodiment of the present invention provides a device for measuring wall thickness, which can perform automatic scanning measurement of the wall thickness of the object to be tested, can cover all surfaces with wall thickness requirements, and greatly improves the operating efficiency. The device for measuring wall thickness includes a vertical rod 11, a rotating base 10, a sleeve rod 12, a support 1, a first measuring foot 2, a second measuring foot 3, a contact 4, a measuring rod 5, a casing 6, and a first elastic member 7. The rear cover 8, the display element 9 and the turntable 15, the turntable 15 is used to place the test piece. The vertical rod 11 and the rotating base 10 are rotatably assemb...

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Abstract

The invention discloses a device for measuring wall thickness. A part to be measured is placed on a turntable, and one scanning measurement is completed after the turntable rotates one circle. Thus, the measurement efficiency is greatly improved. The height of a vertical rod can be adjusted by rotating a rotary base, and the operation is very convenient. In addition, a measuring rod is set to onlymove in the axial direction in the shell, so that there is no radial offset between the measuring rod and the shell. The change of wall thickness is directly converted into the amount of travel of the measuring rod in the axial direction, and the amount of travel of the measuring rod is directly displayed through a display element, so that the measuring accuracy is ensured. Moreover, a first elastic piece is arranged between the measuring rod and the shell. Because of the automatic rebound of the first elastic piece, two contacts can always be close to the inner and outer walls of the part tobe measured during measurement. Therefore, line scanning measurement of the part to be measured can be realized, and all surfaces with wall thickness requirement can be covered. The measurement efficiency is greatly improved.

Description

technical field [0001] The invention relates to the technical field of wall thickness detection, in particular to a device for measuring wall thickness. Background technique [0002] In aerospace, machinery manufacturing and other fields, in order to ensure the service strength of parts, the wall thickness of parts is strictly required, and there are often minimum wall thickness requirements in thin-walled areas. [0003] At present, the main means of measuring wall thickness are that the operator uses a wall thickness caliper or an ultrasonic ratio thickness gauge to measure point by point. During the measurement process, different operators have different measurement point spacing, and the number and location of the measurement points are different, resulting in different measurement data. It cannot cover all the surfaces with wall thickness requirements, and there is a measurement blind area. For parts with long wall thickness areas, this method of point measurement is in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/06
CPCG01B5/06
Inventor 郑行侯正乾喻石亚谭诗薪王璜姚永飞
Owner CHINA HANGFA SOUTH IND CO LTD
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