Special-shaped locking gasket for reactor core shell bearing ball cover plate of high temperature gas cooled reactor

A technology of high-temperature gas-cooled stacks and anti-loosening gaskets, which is applied to threaded fasteners, connecting components, screws, etc., can solve problems such as inability to effectively lock bolts and gasket fractures, increase the friction coefficient and prevent fractures , The effect of circumferential shear force reduction

Active Publication Date: 2017-02-15
HUANENG SHANDONG SHIDAOBAY NUCLEAR POWER CO LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical problem to be solved by the present invention is a special-shaped anti-loosening gasket for supporting the ball cover plate of the high-temperature gas-cooled reactor core shell, so as to solve the problem of the gasket breaking when the bolt is tightened in the existing design and the problem that the bolt head cannot be effectively locked. Reduce construction difficulty and improve construction efficiency

Method used

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  • Special-shaped locking gasket for reactor core shell bearing ball cover plate of high temperature gas cooled reactor
  • Special-shaped locking gasket for reactor core shell bearing ball cover plate of high temperature gas cooled reactor
  • Special-shaped locking gasket for reactor core shell bearing ball cover plate of high temperature gas cooled reactor

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Embodiment Construction

[0023] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] like Figure 1~3 As shown, the present invention is a high-temperature gas-cooled reactor core shell support ball cover special-shaped anti-loosening gasket, which is applied to the metal internal components of the high-temperature gas-cooled reactor. The support ball assembly consists of an upper cover plate, a lower cover plate and a The two sets of cylindrical balls in the middle of the upper cover and the lower cover are composed; a set of racks are fixedly connected to the balls at the upper and lower positions of the two sets of cylindrical balls, and the above racks are connected with the upper and lower covers. The racks on both sides are meshed;

[0025] There are 15 sets of supporting ball assemblies. The lower cover plate is fixed on the 15 support platforms in the pressure vessel through M36 fixin...

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Abstract

The invention belongs to the technical field of high temperature gas cooled reactors, and particularly relates to a special-shaped locking gasket for a reactor core shell bearing ball cover plate of a high temperature gas cooled reactor. According to the technical scheme, the gasket is effectively prevented from sliding through bilateral anti-rotation of the gasket, the friction coefficient of a contact surface of the gasket and an upper cover plate is increased, shear force in the circumferential direction of the gasket is reduced when bolts are screwed down, and the cracking danger at the root of an anti-rotation stopping piece is prevented. Meanwhile, the lower special-shaped sheet end of the special-shaped ring locking gasket can be turned up easily, so that construction difficulty is lowered. Moreover, after the lower special-shaped sheet end of the special-shaped ring locking gasket is turned up, parts of bolt heads can be wrapped, the bolt heads can be locked after being tightly knocked with a copper bar, and accordingly the locking function can be achieved.

Description

technical field [0001] The invention belongs to the technical field of high-temperature gas-cooled reactors, and in particular relates to a special-shaped anti-loosening gasket for supporting a ball cover plate of a core shell of a high-temperature gas-cooled reactor. Background technique [0002] The supporting ball of the metal core shell of the high-temperature gas-cooled reactor is one of the core components of the core shell. If the core shell supporting ball cover plate bolts are loose, the supporting ball will not be able to move normally during the operation period. Safe operation has an inestimable impact. [0003] According to the gaskets currently designed, the following problems are encountered during on-site construction. When the bolts are tightened, more than half of the gaskets are broken, and the construction is difficult, and the bolt heads cannot be effectively locked. In the existing design, during the tightening process of the M36 bolts on the upper cov...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B39/10
CPCF16B39/108
Inventor 王海军
Owner HUANENG SHANDONG SHIDAOBAY NUCLEAR POWER CO LTD
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