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Steam turbine tooth tension test device

A technology for tensile testing and steam gear teeth, which is applied in the direction of measuring devices, using stable tension/pressure testing material strength, instruments, etc., can solve problems such as difficult operation and inaccurate test results, and achieve accurate test results. The force process is safe, reliable and stable

Pending Publication Date: 2021-12-17
NINGXIA KOCEL MOLD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Based on this, it is necessary to provide a steam gear tooth tensile test device for the problems of difficult operation and inaccurate test results in the current tensile test of steam gear teeth.

Method used

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  • Steam turbine tooth tension test device

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Embodiment Construction

[0033] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0034] It should be noted that when an element is referred to as being “disposed on” another element, it may be directly on the other element or there may also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical", "horizontal", "left", "right", "top", "bottom", "bottom", "top" and similar expressions...

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Abstract

The invention relates to a steam turbine tooth tension test device which comprises a strip-shaped support, a transmission part, a driving part, a detection part and an insertion strip, wherein a stop block is arranged at one end of the strip-shaped support, the first end of the transmission part is in threaded connection with the driving part, the transmission part is matched with the stop block in an abutting mode, the second end of the transmission part penetrates through the stop block and extends into the strip-shaped support, the detection part is arranged in the strip-shaped support in a sliding mode, the first end of the detection part is connected with the second end of the transmission part, the second end of the detection part is detachably connected with the insertion strip, and the driving part rotates to drive the transmission part to move in the extending direction of the strip-shaped support. According to the steam turbine tooth tension test device, the problems of high operation difficulty, inaccurate detection result and the like in the tension test of the steam turbine tooth at present can be solved.

Description

technical field [0001] The invention relates to the technical field of testing devices, in particular to a steam gear tooth tensile testing device. Background technique [0002] During the design process of the steam turbine, there is the possibility of air leakage between the dynamic and static parts and between stages. In order to reduce the loss of air leakage and improve the economy of the steam turbine, it is necessary to design the steam seal at the appropriate position. The seal teeth are usually made of stainless steel sheets or nickel-chromium alloy sheets, and the stainless steel inserts are pressed into the grooves of the rotor or holding ring, and the assembly results of the seal teeth are evaluated according to the pulling force of the stainless steel inserts. [0003] At present, the method of doing the tensile test of the steam seal tooth is: one end of the spring balance is clamped with a large forceps stainless steel insert, the worker holds the other end of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/08G01N3/04
CPCG01N3/08G01N3/04G01N2203/0017Y02E30/30
Inventor 岳岁宁杨保撖俊虎柏长友
Owner NINGXIA KOCEL MOLD
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