Device and method for adjusting and detecting coaxiality of multiple trunnions

A technology of coaxiality and adjustment frame, which is applied in the direction of measuring devices, mechanical devices, mechanical measuring devices, etc., can solve the problem that the coaxiality of support hinges cannot be measured intuitively, the measurement accuracy cannot meet the requirements, and the price of high-precision total station Expensive and other issues, to achieve the effect of intuitive measurement, compact structure design, and high work efficiency

Pending Publication Date: 2021-04-23
CHINA GEZHOUBA GROUP MACHINERY & SHIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, during the pre-assembly process of arc gates in the factory, the coaxiality of multiple hinges cannot be measured intuitively. Using conventional total stations for measurement, the actual measurement accuracy cannot meet the requirements; high-precision total stations are expensive and affected by the environment. Factors have greater influence

Method used

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  • Device and method for adjusting and detecting coaxiality of multiple trunnions
  • Device and method for adjusting and detecting coaxiality of multiple trunnions
  • Device and method for adjusting and detecting coaxiality of multiple trunnions

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Effect test

Embodiment 1

[0035] Such as Figure 1-8 , a device for adjusting and detecting the coaxiality of multiple hinges, which includes a measuring bracket 1, a top plate 2 is fixed on the top of the measuring bracket 1, a vertical plate 3 is symmetrically fixed on the top of the top plate 2, and the The top of the vertical plate 3 is fixed with an adjustment frame 7, and the inside of the adjustment frame 7 is supported by an adjustment disc 10 through an adjustment bolt assembly. The center of the adjustment disc 10 is provided with a center hole, and the position of the center hole passes through the There is a steel wire 5, one end of the steel wire 5 is fixed on the steel wire tension bolt 4 after bypassing the support cross bar 8, and the support cross bar 8 is fixed on the outer side wall of the adjustment frame 7, and the steel wire pulls Tight bolt 4 is fixed on the riser 3. The device can accurately and intuitively measure the coaxiality of the support hinge, and has the advantages of ...

Embodiment 2

[0040] The method for assembling a three-hinge arc-shaped gate by using the device for adjusting and detecting multi-hinge coaxiality comprises the following steps:

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PUM

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Abstract

The invention discloses a device for adjusting and detecting the coaxiality of multiple trunnions, wherein the device comprises measurement supports; a top plate is fixed at the top of each measurement support, vertical plates are symmetrically fixed at the top of each top plate, an adjustment frames are fixed at the tops of the vertical plates, and an adjustment disc is supported in each adjustment frame through an adjustment bolt assembly; a center hole is formed in the center of each adjusting disc, a steel wire penetrates through the center holes, one end of the steel wire is wound around a supporting transverse rod and then fixed to a steel wire tensioning bolt, each supporting transverse rod is fixed to the outer side wall of the adjustment frame, and each steel wire tensioning bolt is fixed to the vertical plates. The device can accurately and visually measure the coaxiality of the trunnions, and has the advantages of simplicity, directness, reliable precision, high working efficiency, low cost and the like.

Description

technical field [0001] The invention relates to a device and method for adjusting and detecting the coaxiality of multiple hinges, which belongs to the technical field of manufacture and installation of arc gates, and is used for measuring the coaxiality of multiple hinges during the vertical assembly process of arc gates of hydropower stations. Background technique [0002] In hydropower and water conservancy projects, arc-shaped working gates are often used in dam water-retaining and flood-discharging structures. The arc-shaped gate generally adopts the form of two hinges. In the arc-shaped work of the flood discharge tunnel of Baihetan Hydropower Station, the form of three hinges is used. The working gate will bear a large water pressure during the opening and closing process, and has high requirements on the coaxiality of the hinge. Therefore, the curved gate must be pre-assembled as a whole before leaving the factory. One of the important data of group test. [0003] A...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/252
CPCG01B5/252
Inventor 刘桂芳张振华张建中高升李伟陈倩雪王娟
Owner CHINA GEZHOUBA GROUP MACHINERY & SHIP
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