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Small-aperture slot width measurement tool

A technology for measuring tooling and small aperture, applied in the field of measuring instruments, can solve the problems of measurement result error, difficult measurement of small aperture groove width, inconvenient measurement, etc., to achieve the effect of easy processing and manufacturing, simple measurement operation, and guaranteed accuracy

Inactive Publication Date: 2018-12-28
CHENGXI SHIPYARD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In ship maintenance, it is often necessary to replace the hydraulic cylinder cap or piston sealing ring, which requires measuring the depth and width of the ring groove where the sealing ring is installed. The groove depth is easy to measure, but the groove width is difficult to measure with small apertures. Conventional vernier calipers It is impossible to reach into the ring groove for measurement, especially when the depth of the ring groove is deep, the measurement is more inconvenient. If the two sides of the groove width are rotted or the groove width is small, there will be large errors in the measurement results

Method used

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  • Small-aperture slot width measurement tool

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Such as Figure 1a ~ Figure 1b As shown, a small-aperture slot width measuring tool includes an inner measuring rod 1 and an outer measuring tube 2 that are nested in each other, the length of the inner measuring rod 1 is greater than the length of the outer measuring tube 2, and the inner measuring rod 1 runs through the outer Tube 2, the inner measuring rod 1 and the outer measuring tube 2 are slidably fitted through the guide locking member, and the inner claw 3 and the outer claw 4 are respectively provided at the end of the same side of the inner measuring rod 1 and the outer measuring tube 2 . The guide locking member includes a guide section 5 and a locking section 6, the locking section 6 is threadedly connected with the radial screw hole on the outer measuring tube 2, and the guide groove 8 is arranged on the outer surface of the inner measuring rod 1 along the axial direction , The guide section 5 is slidingly matched with the guide groove 8, and the locking s...

Embodiment 2

[0036] Such as Figure 2a and Figure 2bAs shown, a small-aperture slot width measuring tool includes an inner measuring rod 1 and an outer measuring tube 2 that are nested in each other, the length of the inner measuring rod 1 is greater than the length of the outer measuring tube 2, and the inner measuring rod 1 runs through the outer Tube 2, the inner measuring rod 1 and the outer measuring tube 2 are slidably fitted through the guide locking member, and the inner claw 3 and the outer claw 4 are respectively provided at the end of the same side of the inner measuring rod 1 and the outer measuring tube 2 . The guide locking member includes a guide section 5 and a locking section 6, the locking section 6 is threadedly connected with the radial screw hole on the outer measuring tube 2, and the guide groove 8 is arranged on the outer surface of the inner measuring rod 1 along the axial direction , The guide section 5 is slidingly matched with the guide groove 8, and the lockin...

Embodiment 3

[0043] Such as image 3 As shown, a small-aperture slot width measuring tool includes an inner measuring rod 1 and an outer measuring tube 2 that are nested in each other, the length of the inner measuring rod 1 is greater than the length of the outer measuring tube 2, and the inner measuring rod 1 runs through the outer Tube 2, the inner measuring rod 1 and the outer measuring tube 2 are threadedly matched, and the inner jaw 3 and the outer jaw 4 are respectively provided at the ends of the inner measuring rod 1 and the outer measuring tube 2 on the same side. Threads are provided on the outer surface of the inner measuring rod 1 and the inner surface of the outer measuring tube 2, and the inner measuring rod 1 and the outer measuring tube 2 are screwed together through threads. A laser range finder 16 is arranged on the outside of the outer measuring tube 2, and an inner claw 3 is provided at the other end of the inner measuring rod 1. An annular baffle 17 is provided, and t...

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Abstract

The invention discloses a small-aperture slot width measurement tool, which comprises an inner measurement rod and an outer measurement pipe. The length of the inner measurement rod is greater than that of the outer measurement pipe; the inner measurement rod passes through the outer measurement pipe; the inner measurement rod and the outer measurement pipe are in sliding fit, or threaded fit, orelastic sliding fit through a guide locking piece; and an inner clamping jaw and an outer clamping jaw are respectively arranged at the same side ends of the inner measurement rod and the outer measurement pipe. The tool is simple in structure, is applicable to measuring a slot width during repairing of machinery such as a ship, and has a measurement range of 1 mm or above; furthermore, the measurement operation working procedure is simple; and industrial implementation, popularization and application are facilitated.

Description

technical field [0001] The invention belongs to the technical field of measuring instruments and specifically designs a small-aperture slot width measuring tool. Background technique [0002] In ship maintenance, it is often necessary to replace the hydraulic cylinder cap or piston sealing ring, which requires measuring the depth and width of the ring groove where the sealing ring is installed. The groove depth is easy to measure, but the groove width is difficult to measure with small apertures. Conventional vernier calipers It is impossible to reach into the inside of the ring groove for measurement, especially when the depth of the ring groove is deep, the measurement is more inconvenient. If the two sides of the groove width are rotten or the groove width is small, there will be large errors in the measurement results. Contents of the invention [0003] The purpose of the present invention is to overcome the defects existing in the prior art, and to provide a small-ape...

Claims

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Application Information

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IPC IPC(8): G01B11/02
CPCG01B11/02
Inventor 王磊
Owner CHENGXI SHIPYARD