CN-224223203-U - Dismounting device of nuclear power plant motor coupler

CN224223203UCN 224223203 UCN224223203 UCN 224223203UCN-224223203-U

Abstract

The utility model belongs to the technical field of disassembly of motor couplings, and in particular relates to a disassembly device of a motor coupling of a nuclear power plant, which comprises split disks, flexible cables, an oil cylinder seat, a pulling claw and a pulling disk, wherein the split disks are fixed at the outer side of the coupling, the surface of the split disc is provided with a pulling claw, one end of the pulling claw hooks the surface of the split disc, the other end of the pulling claw is connected with the pulling disc, the middle part of the pulling disc is provided with an oil cylinder seat, the oil cylinder is arranged on the oil cylinder seat, the oil cylinder props against the end part of a motor shaft, and a flexible cable is wound on the surface of the coupling. The device is through setting up flexible cable heating shaft coupling, guarantees that the shaft coupling surface is heated evenly, heating efficiency is high. The position of the pulling claw is regulated by the positioning adjusting screw, so that the reliable positioning of the pulling claw is realized, and the anti-slip function is realized. Through the design of split disc, avoid pulling the claw and directly lead to the fact the deformation to the intermediate disc of shaft coupling, also reserved sufficient space for the heating of shaft coupling surface.

Inventors

LIU ZEQI
ZHANG JIAN
CHENG CHENG
ZHOU JIANMING
SUN JIANFENG
YU QIANJUN
LIU QIANG
SHAN XIN

Assignees

中核核电运行管理有限公司
秦山核电有限公司

Dates

Publication Date: 20260512
Application Date: 20250530

Claims (8)

1. The utility model provides a dismounting device of nuclear power plant motor shaft coupling, its characterized in that, the device includes split disc (5), flexible cable (6), hydro-cylinder (11), hydro-cylinder seat (14), draws claw (13) and draws dish (16), split disc (5) are fixed in the shaft coupling (2) outside, split disc (5) surface sets up draw claw (13), draw claw (13) one end to collude open the disc surface, draw claw (13) other end to connect draw dish (16), draw dish (16) middle part to be equipped with hydro-cylinder seat (14), hydro-cylinder (11) set up on hydro-cylinder seat (14), hydro-cylinder (11) jack up motor shaft (1) tip, shaft coupling (2) surface winding sets up flexible cable (6).
2. The dismounting device for the motor coupling of the nuclear power plant according to claim 1, wherein the split disc (5) is fixed on the surface of the coupling (2) through a nut A (3) and a bolt (4).
3. A disassembly device of a nuclear plant motor coupling according to claim 2, characterized in that the pulling claw (13) is fixed to the pulling disc (16) by means of washers (18) and nuts B (19).
4. A disassembly device for a nuclear power plant motor coupling according to claim 3, wherein the number of the pulling claws (13) is 3, and the pulling claws (13) are uniformly arranged on the surface of the open circular disc.
5. The dismounting device of a nuclear power plant motor coupling according to claim 1, characterized in that the end surface of the flexible cable (6) which is not in contact with the surface of the coupling (2) is provided with a cable sheath (7), the flexible cable (6) is connected with an intermediate frequency heating device, and the intermediate frequency heating device is used for heating the flexible cable (6).
6. The dismounting device for a nuclear power plant motor coupler according to claim 5, wherein the middle section of the pull claw (13) is connected with a positioning adjusting screw (9) through a fixing seat (8), the positioning adjusting screw (9) is connected with one end of a supporting rod (12) through threads, and the other end of the supporting rod (12) is connected with the pull disc (16) through an inner hexagon screw (17).
7. The dismounting device for the nuclear power plant motor coupling according to claim 6, wherein the middle section of the supporting rod (12) is connected with a lifting screw (15).
8. The dismounting device for the nuclear power plant motor coupler according to claim 7, wherein the middle section of the pull claw (13) is connected with one end of a positioning adjusting screw (9) through a fixing seat (8), and a rotating rod (10) is arranged at the other end of the positioning adjusting screw (9).

Description

Dismounting device of nuclear power plant motor coupler Technical Field The utility model belongs to the technical field of motor coupler disassembly, and particularly relates to a disassembly device of a motor coupler of a nuclear power plant. Background Along with the rapid development of industrial technology, the requirements on maintenance efficiency and quality of various machines are higher and higher, a motor coupler is a core component of a motor transmission system and is used as a mechanical tie between a motor and a load, and the coupler converts rotary motion or linear motion of the motor into power output required by the load through rigid or elastic connection, so that the efficient energy transmission is ensured. In the prior art, in the aspect of disassembly of a motor coupler in the nuclear power field, the method adopted at present is to heat the surface of the coupler by oxygen acetylene, the heated coupler is heated and expanded, the fit clearance between a motor shaft and the coupler is enlarged, and then the coupler is disassembled by using a pull Ma Jiang coupler. The disassembly method of the prior art has the advantages that the heated area of the oxygen-acetylene heating coupler is small, the heating is uneven, the heating temperature is difficult to control, the method is easy to cause the property change of the coupler material, the coupler is difficult to disassemble smoothly, and the pull damage of the spindle head and the coupler can be caused. Disclosure of utility model The utility model provides a dismounting device for a motor coupler of a nuclear power plant, which is used for solving the problems that in the prior art, the coupler dismounting method is low in efficiency and easy to damage. The technical scheme of the utility model is as follows: The utility model provides a dismounting device of a nuclear power plant motor coupler, which comprises a split disc, a flexible cable, an oil cylinder seat, a pulling claw and a pulling disc, wherein the split disc is fixed on the outer side of the coupler, the pulling claw is arranged on the surface of the split disc, one end of the pulling claw hooks the surface of the split disc, the other end of the pulling claw is connected with the pulling disc, the oil cylinder seat is arranged in the middle of the pulling disc, the oil cylinder is arranged on the oil cylinder seat and props against the end part of a motor shaft, and the flexible cable is wound on the surface of the coupler. In some embodiments, the split discs are secured to the coupling surface by nuts a and bolts. In some embodiments, the pull tab is secured to the pull cup by a washer and nut B. In some embodiments, the number of the pulling claws is 3, and the pulling claws are uniformly arranged on the surface of the open circular disc. In some embodiments, the end surface of the flexible cable that is not in contact with the coupling surface is provided with a cable jacket, and the flexible cable is connected to an intermediate frequency heating device that is used to heat the flexible cable. In some embodiments, the middle section position of the pull claw is connected with a positioning adjusting screw through a fixed seat, the positioning adjusting screw is connected with one end of a supporting rod through threads, and the other end of the supporting rod is connected with a pull disc through an inner hexagon screw. In some embodiments, the middle section of the support rod is connected with a suspension ring screw. In some embodiments, the middle section of the pull claw is connected with one end of a positioning adjusting screw through a fixing seat, and the other end of the positioning adjusting screw is provided with a rotating rod. The utility model has the beneficial effects that: The utility model provides a dismounting device for a motor coupler of a nuclear power plant, which ensures that the surface of the coupler is heated uniformly and has high heating efficiency by arranging a flexible cable to heat the coupler. The position of the pulling claw is regulated by the positioning adjusting screw, so that the reliable positioning of the pulling claw is realized, and the anti-slip function is realized. Through the design of split disc, avoid drawing claw directly to lead to the fact the deformation to the middle disc of shaft coupling, also reserved sufficient space for the heating of shaft coupling surface, also guaranteed simultaneously very easily that draw Ma Zhongxin and shaft coupling installation axle are concentric, avoided artifical transport simultaneously, be fit for the dismantlement maintenance work of multiple diameter shaft coupling. Drawings FIG. 1 is a schematic view of a disassembly device for a motor coupling of a nuclear power plant according to the present utility model; FIG. 2 is a schematic diagram of an intermediate frequency heating apparatus for a disassembly device of a motor coupling of a nuclear power plant according to the p