CN-224225655-U - Be used for reactor top calabash to deposit and walk motor simulation dismouting device

Abstract

The utility model discloses a device for simulating and dismounting a reactor top hoist storage and traveling motor, relates to the field of nuclear reactor dismounting tools, and aims to solve the problems of large storage occupation space and high dismounting operation difficulty of the existing reactor top hoist. The device comprises a pair of transverse supporting frames arranged on a bottom supporting plate, wherein upper flanges of bearing I-beams are connected with beam parts of the transverse supporting frames and are mutually perpendicular, unidirectional stops are symmetrically arranged on the lower surfaces of the upper flanges of the bearing I-beams, anti-collision blocks are arranged on the lower flanges of the bearing I-beams at intervals, so that a pile top hoist can be arranged between the two anti-collision blocks, a travelling motor is arranged on a travelling motor supporting frame arranged on the bottom supporting plate in pairs, and travelling wheels are designed on the lower surface of the bottom supporting plate. Through the structure of the device, the occupied space of the reactor roof hoist and the motor during storage and the operation difficulty of the disassembly of the reactor roof hoist can be reduced.

Inventors

• MA ZHIQIANG
• DONG BIAO
• ZHOU XIN
• LIN XIXIAN
• LI YI
• HE XINGZHOU
• QIN XIAOJUN
• WU JUN
• ZHANG XIN
• WU ZESHENG
• YANG HAO
• ZHENG QI

Assignees

• 中核运维技术有限公司

Dates

Publication Date

20260512

Application Date

20250604

Claims (7)

1. 1. A device for simulating and dismounting a pile top hoist of a reactor is characterized by comprising a pair of transverse supporting frames (2) arranged on a bottom supporting plate (9), wherein upper flanges of bearing I-beams (4) are connected with beam parts of the transverse supporting frames (2) and are mutually perpendicular, unidirectional stops (3) are symmetrically arranged on the lower surfaces of the upper flanges of the bearing I-beams (4), anti-collision blocks (11) are arranged on the lower flanges of the bearing I-beams (4) at intervals, so that the pile top hoist (6) can be arranged between the two anti-collision blocks (11), a travelling motor (7) is arranged on a travelling motor supporting frame (8) arranged on the bottom supporting plate (9) in pairs, and travelling wheels (10) are designed on the lower surfaces of the bottom supporting plate (9).
2. 2. The device for simulating and dismounting the reactor top hoist storage and walking motor according to claim 1, wherein the structure of the transverse supporting frame (2) mainly comprises two upright posts and a cross beam, the cross beam is arranged at the upper ends of the upright posts which are parallel to each other, and the lower ends of the upright posts are fixedly connected with the bottom supporting plate (9) vertically.
3. 3. The device for simulating the disassembly and assembly of the reactor top hoist storage and walking motor according to claim 1 is characterized in that a plurality of lifting lugs (1) are arranged on the upper surface of a cross beam of the transverse support frame (2) and are used for integrally lifting the device and the reactor top hoist (6).
4. 4. The device for simulating disassembly and assembly of a reactor roof hoist for storage and walking of a reactor according to claim 1, wherein the disassembly and assembly simulating body (5) is arranged on two upright posts on the same side of the pair of transverse supporting frames (2).
5. 5. The device for simulating and dismounting the reactor roof hoist storage and walking motor according to claim 1, wherein the unidirectional stop (3) is arranged at four corners of the lower surface of the upper flange of the bearing I-beam (4), and the unidirectional stop (3) is arranged to prevent the reactor roof hoist (6) from falling accidentally in the moving process.
6. 6. The device for simulating and dismounting the reactor top hoist storage and traveling motor according to claim 1, wherein a fixing device of a traveling motor (7) is designed on the traveling motor support frame (8).
7. 7. The device for simulating the disassembly and assembly of the reactor roof hoist storage and traveling motor according to claim 1, wherein the number of the traveling wheels (10) is four, the device comprises a pair of universal wheels for realizing the steering of the device, and a pair of fixed wheels for supporting the movement of the device.

Description

Be used for reactor top calabash to deposit and walk motor simulation dismouting device Technical Field The utility model belongs to the technical field of nuclear reactor disassembly tools, and particularly relates to a device for simulating disassembly and assembly of a reactor top hoist storage and walking motor. Background During each major repair of the AP1000 unit, the disassembly and assembly operation of the integrated top assembly top hoist is required to be carried out. The work of each group of top hoist comprises the disassembly and assembly of two circumferential running motors and the disassembly and assembly of one lifting mechanism. The conventional AP1000 unit top hoist disassembling and assembling work has the characteristics that 1, the top hoist disassembling and assembling needs to be carried out at a high position by adopting a lifting vehicle, the industrial safety risk that personnel fall and are located below a suspended object exists, 2, paper clothing and tungsten clothing are needed to be worn during the top hoist disassembling and assembling, the labor intensity is high, the error probability of the personnel due to fatigue is increased, 3, the environmental dose rate is high during the top hoist disassembling and assembling, the psychological burden of the personnel is easy to cause, the probability of human error is further increased, 4, small parts such as snap springs and the like are needed during the top hoist disassembling and assembling, the handling of the small parts is insufficient, and foreign matters are easy to generate, 5, the top hoist is not normally placed due to the volume and the shape of the top hoist during daily storage, the using area of a factory building is increased, and meanwhile, the risk of bending and damage of a top hoist cable is also caused. Meanwhile, after the stacking hoist is disassembled and assembled, no fixed storage position exists, and the sleeper needs to be paved below each stacking hoist and each traveling motor in the factory, so that the stacking hoist and the traveling motors are large in number, a large amount of effective space of the factory is occupied, and the neatness and other tools are affected. Disclosure of utility model In view of the foregoing, an embodiment of the present utility model is directed to providing a device for simulating the disassembly and assembly of a top hoist of a reactor and a traveling motor. The problems of large storage space, high disassembly operation difficulty, large foreign matter risk, high safety risk and the like of the conventional reactor top hoist are solved. The technical scheme includes that the device comprises a pair of transverse supporting frames arranged on a bottom supporting plate, upper flanges of bearing I-beams are connected with beam parts of the transverse supporting frames and are mutually perpendicular, unidirectional stops are symmetrically arranged on the lower surfaces of the upper flanges of the bearing I-beams, anti-collision blocks are arranged on the lower flanges of the bearing I-beams at intervals, so that the pile top hoist can be arranged between the two anti-collision blocks, a traveling motor is arranged on the traveling motor supporting frames arranged on the bottom supporting plate in pairs, and traveling wheels are designed on the lower surfaces of the bottom supporting plates. The device for simulating and dismounting the reactor top hoist storage and walking motor comprises a transverse support frame, wherein the transverse support frame mainly comprises two upright posts and a cross beam, the cross beam is arranged at the upper ends of the upright posts which are parallel to each other, and the lower ends of the upright posts are fixedly connected with a bottom support plate vertically. The device for simulating and dismounting the reactor top hoist storage and walking motor is characterized in that a plurality of lifting lugs are arranged on the upper surface of a cross beam of a transverse support frame and used for integrally lifting the device and the reactor top hoist. The device for simulating and dismounting the reactor top hoist storage and walking motor comprises a pair of transverse supporting frames, wherein the transverse supporting frames are arranged on two upright posts on the same side of the transverse supporting frames. The device for simulating and dismounting the reactor roof hoist storage and walking motor comprises a bearing I-beam, wherein the bearing I-beam is provided with a bearing I-beam, and the bearing I-beam is provided with a bearing I-beam. The device for simulating and dismounting the reactor top hoist storage and traveling motor is characterized in that a fixing device of the traveling motor is designed on a traveling motor support frame. The device for simulating and dismounting the reactor top hoist storage and walking motors comprises four walking wheels, a pair of universal wheels and a pair of fixed wheels, where