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Drawing device for dismounting electric heating element of voltage stabilizer

A technology of electric heating element and drawing device, which is applied to hand-held tools, manufacturing tools, etc., can solve the problem of electric heating element losing pressure regulation effect, etc., and achieve the effect of simple structure and convenient operation.

Active Publication Date: 2021-06-08
NUCLEAR POWER INSTITUTE OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] When the electric heating element is swollen and deformed due to long-term immersion in water, it will lose its pressure regulating effect and needs to be replaced

Method used

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  • Drawing device for dismounting electric heating element of voltage stabilizer
  • Drawing device for dismounting electric heating element of voltage stabilizer
  • Drawing device for dismounting electric heating element of voltage stabilizer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] Such as Figure 1 to Figure 5 As shown, a pulling device for removing the electric heating element of a voltage stabilizer includes a structural frame and a pulling assembly arranged on the structure, the structural frame includes a guide rail 10, and the pulling assembly includes power components, connecting The base 131 and the connecting mechanism 8, the connecting base 131 and the connecting mechanism 8 are all slidably connected on the guide rail 10, and the connecting base 131 and the connecting mechanism 8 are all provided with a device for realizing position locking in the axial direction of the guide rail 10 respectively. the locking mechanism;

[0053] The power component is used to output linear reciprocating motion along the axial direction of the guide rail 10, the main part of the power component is fixedly connected to the connection base 131, and the output end of the power component is fixedly connected to the connecting mechanism 8;

[0054] It also i...

Embodiment 2

[0067] This embodiment is further limited on the basis of Embodiment 1, as a light weight, through the cooperation of multiple guide rails 10, forming a connection structure constraint body with greater rigidity, so as to facilitate the above-mentioned coaxiality, and at the same time The space occupied by the device can be reduced to adapt to the technical scheme of the available operating space under the voltage stabilizer. Each of them forms a sliding connection and cooperation relationship with each guide rail 10 through the through holes provided on each; the power components and connecting pieces are all arranged in the space surrounded by the guide rails 10 .

[0068] As mentioned above, considering the problem that the available operating space under the voltage stabilizer is small, as a specific implementation scheme that facilitates the fixing of the connecting piece and the electric heating element on one side, and the overall volume of the connecting piece is small,...

Embodiment approach

[0072] As a power component embodiment with simple structure, easy handling and small overall structure, the power component is a cylinder;

[0073] In the cylinder, the cylinder body 11 is fixedly connected to the connecting base 131 ; the piston rod 12 is fixedly connected to the connecting mechanism 8 . As a person skilled in the art, in the specific application, for the adjustment of the position of the cylinder block 11, the air source pipes are connected to both ends of the cylinder block 11, respectively: the upper intake pipe 15 and the lower intake pipe 16, which can be realized. The expansion and contraction of cylinder and the position adjustment of cylinder block 11 on guide rail 10.

[0074] In the case of a certain length of the guide rail 10, in order to match the distance between the casing and the platform or ground below to support the device, it is set to: also include a support mechanism arranged at the lower end of the structural frame for adjusting the heig...

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Abstract

The invention discloses a drawing device for dismounting an electric heating element of a voltage stabilizer. The drawing device comprises a structural frame and a drawing assembly arranged on the structural frame. The structural frame comprises guide rails. The drawing assembly comprises a power component, a connecting base and a connecting mechanism. The connecting base and the connecting mechanism are both slidably connected to the guide rails, and the connecting base and the connecting mechanism are provided with locking mechanisms used for achieving position locking of the connecting base and the connecting mechanism in the axial direction of the guide rails. The power component is used for outputting linear reciprocating motion in the axial direction of the guide rails, a main body part of the power component is fixedly connected with the connecting base, and the output end of the power component is fixedly connected to the connecting mechanism. The drawing device further comprises a connecting piece which is fixed to the connecting mechanism and located on the side, away from the power component, of the connecting mechanism, and the connecting piece is used for being connected with the lower end of the electric heating element. The drawing device is simple in structure, the electric heating element can be drawn from the bottom of the voltage stabilizer, and the drawing operation is convenient.

Description

technical field [0001] The invention relates to the technical field of a voltage stabilizer removal device of a nuclear power plant, in particular to a pulling device for removing an electric heating element of a voltage stabilizer. Background technique [0002] The voltage stabilizer is one of the key equipment of the reactor system. The electric heating element of the voltage stabilizer is directly inserted into the inside of the voltage stabilizer from the lower head to limit the reduction of the internal pressure of the voltage stabilizer. It is a key component for adjusting the pressure of the primary circuit. The general installation method of the electric heating element is: installed inside the bushing penetrating part of the voltage stabilizer and fixed by welding; the bushing penetrating part penetrates the lower head of the voltage stabilizer and is fixed by welding on the inner wall of the voltage stabilizer. The casing penetration part is made of 600 nickel-base...

Claims

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Application Information

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IPC IPC(8): B25B27/02
CPCB25B27/026
Inventor 张义林杨彪何少华李书良陈志姜赫何静
Owner NUCLEAR POWER INSTITUTE OF CHINA
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