CN219337598U - Nuclear power station water pump bearing assembly and disassembly tools - Google Patents
Nuclear power station water pump bearing assembly and disassembly tools Download PDFInfo
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- CN219337598U CN219337598U CN202222764108.0U CN202222764108U CN219337598U CN 219337598 U CN219337598 U CN 219337598U CN 202222764108 U CN202222764108 U CN 202222764108U CN 219337598 U CN219337598 U CN 219337598U
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- water pump
- threaded rod
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- bearing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model provides a nuclear power station water pump bearing dismounting tool which comprises a threaded rod main body and a threaded hole clamping plate in threaded connection with the threaded rod main body, wherein the bottom end of the threaded rod main body is fixedly connected with a bearing positioning telescopic rod, the top end of the threaded rod main body can be connected with a rotating device to enable the threaded rod main body to rotate, connecting holes matched with flange holes of a water pump bracket are formed in the two ends of the threaded hole clamping plate, and the two ends of the threaded hole clamping plate are fixedly connected with the water pump bracket through the flange holes and the connecting holes through fastening positioning bolts. The disassembly and assembly tool for the water pump bearing of the nuclear power station can rapidly position the bearing, and can stably, accurately and efficiently disassemble and assemble the water pump bearing of the nuclear power station.
Description
Technical Field
The utility model relates to the technical field of disassembly tools, in particular to a disassembly tool for a water pump bearing of a nuclear power station.
Background
When the cylindrical bearing of the water pump of the nuclear power station is disassembled, the cylindrical bearing is independently left in the bearing seat of the non-driving end of the water pump because one end of the inner diameter of the cylindrical bearing is large and the other end of the inner diameter of the cylindrical bearing is smaller, and the water pump shaft and the other deep groove ball bearing are required to be integrally removed. Then the cylindrical bearing is disassembled from the bearing seat of the non-driving end of the water pump, and the traditional method is to disassemble the cylindrical bearing in the bearing seat of the non-driving end of the water pump by using a copper rod and a hammer. The traditional method has the defects that equipment is easily damaged if the force is too high, foreign matters are easily generated in the knocking process and fall into the bearing seat, if the foreign matters are not found and removed in time, the bearing is easily damaged and cannot be positioned correctly when the bearing operates, so that the bearing is easily blocked in the bearing seat, the field overhaul time is prolonged, the overhaul cost is increased, the time and the labor are wasted, the working efficiency is low, and the economic benefit is influenced.
Therefore, there is a need for a convenient and quick disassembly and assembly tool for a water pump bearing of a nuclear power plant, which can quickly position the water pump bearing of the nuclear power plant, and can stably, accurately and efficiently disassemble and assemble the water pump bearing of the nuclear power plant.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide a convenient and quick disassembly and assembly tool for the water pump bearing of the nuclear power station, so that the bearing can be quickly positioned, and the water pump bearing of the nuclear power station can be stably, accurately and efficiently disassembled and installed.
In order to solve the technical problems, the utility model provides a disassembly and assembly tool for a water pump bearing of a nuclear power station, which comprises a threaded rod main body and a threaded hole clamping plate in threaded connection with the threaded rod main body, wherein the bottom end of the threaded rod main body is fixedly connected with a bearing positioning telescopic rod, the top end of the threaded rod main body can be connected with a rotating device to enable the threaded rod main body to rotate, first connecting holes matched with flange holes of a water pump bracket are formed in two ends of the threaded hole clamping plate, and two ends of the threaded hole clamping plate are fixedly connected with the water pump bracket through the flange holes and the first connecting holes by fastening positioning bolts.
Further, the surface of the threaded rod main body is provided with external threads, the middle part of the threaded hole clamping plate is provided with a threaded hole matched with the external diameter of the threaded rod main body, the threaded hole of the threaded hole clamping plate is provided with internal threads matched with the external threads of the threaded rod main body, and the threaded rod main body and the threaded hole clamping plate are connected together through the external threads and the internal threads.
Further, the bearing positioning telescopic rod is of a cross structure formed by connecting two telescopic rods, two ends of each telescopic rod can stretch, and the length of each telescopic rod is larger than the inner diameter of the water pump bearing and smaller than the outer diameter of the water pump bearing.
Further, the telescopic rod comprises an outer rod and an inner rod which is arranged in the outer rod and can slide.
Further, the middle part of the outer rod is provided with a second connecting hole matched with the outer diameter of the threaded rod main body, the outer rod is connected to the lower end of the threaded rod main body through the second connecting hole, and the upper part and the lower part of the outer rod are respectively fixed with the outer rod through connecting nuts in the threaded rod main body in a threaded mode.
Further, a rubber protection bushing is arranged on the surface of the bearing positioning telescopic rod.
Further, the rotating device connected with the top end of the threaded rod main body is a disc handle.
Further, the top end of the threaded rod main body is of a regular polygon structure, an inner polygon hole matched with the regular polygon structure of the top end of the threaded rod main body is formed in the center of the disc-type handle, and the top end of the threaded rod main body is connected with the disc-type handle through the regular polygon structure and the inner polygon hole.
According to the disassembly and assembly tool for the water pump bearing of the nuclear power station, two ends of the threaded hole clamping plate in threaded connection with the threaded rod main body are fixedly connected with the water pump support, the bearing is accurately positioned through the bearing positioning telescopic rod, the threaded rod main body is rotated to enable the threaded rod main body to move up or down on the threaded hole clamping plate in a spiral mode, the bearing positioning telescopic rod fixedly connected with the threaded rod main body is driven to move up or down, and therefore the cylindrical bearing can be disassembled from the water pump non-driving end bearing seat or installed in the water pump non-driving end bearing seat. The disassembly and assembly tool for the water pump bearing of the nuclear power station can accurately and rapidly position the bearing, clamp four points of the bearing, disassemble and install the bearing stably, accurately and rapidly, is convenient and practical, can shorten on-site maintenance time, reduces maintenance cost and improves working efficiency. Solves the problems that the bearing is difficult to clamp, the dismounting force is unbalanced, the bearing is easy to damage during dismounting, the bearing is easy to be blocked, and the like in the prior art
Drawings
FIG. 1 is a schematic structural diagram of a tool for assembling and disassembling a water pump bearing of a nuclear power station according to an embodiment of the present utility model;
FIG. 2 is an assembly explosion diagram of a nuclear power station water pump bearing disassembly and assembly tool provided by an embodiment of the utility model;
fig. 3 is a schematic structural view of a threaded rod main body of a disassembly and assembly tool for a water pump bearing of a nuclear power station according to an embodiment of the present utility model;
fig. 4 is a schematic structural view of a threaded hole clamping plate of a bearing dismounting tool of a water pump of a nuclear power station according to an embodiment of the utility model;
fig. 5 is a schematic structural view of a bearing positioning telescopic rod of a bearing dismounting tool for a water pump of a nuclear power station according to an embodiment of the utility model.
Detailed Description
Referring to fig. 1, 2 and 3, the utility model provides a tool for disassembling and assembling a water pump bearing of a nuclear power station, which comprises a threaded rod main body 1. Wherein, the surface of threaded rod main part 1 sets up the external screw thread, threaded rod main part 1 middle part threaded connection screw hole splint 2, the bottom and the bearing location telescopic link 3 fixed connection of threaded rod main part 1, the top and the rotating device 4 of threaded rod main part 1 are connected and can make threaded rod main part 1 rotate.
Referring to fig. 4, a threaded hole 22 matched with the outer diameter of the threaded rod main body 1 is formed in the middle of the threaded hole clamping plate 2, an internal thread matched with the external thread of the threaded rod main body 1 is formed in the threaded hole 22 of the threaded hole clamping plate 2, and the threaded rod main body 1 and the threaded hole clamping plate 2 are connected together through the external thread and the internal thread.
The two ends of the threaded hole clamping plate 2 are provided with first connecting holes 21 matched with flange holes on the water pump support, and the two ends of the threaded hole clamping plate 2 are fixedly connected with the water pump support through the first connecting holes 21 and the flange holes on the water pump support by using fastening positioning bolts 5.
Referring to fig. 5, the bearing positioning telescopic rod 3 is of a cross structure formed by matching male and female cross parts of two telescopic rods, two ends of each telescopic rod can stretch out and draw back, the length of the bearing positioning telescopic rod 3 can be adjusted through telescopic rod stretching, and the bearing positioning telescopic rod 3 can be suitable for water pump bearings of various sizes and models, so that the applicability is strong. In addition, in order to facilitate the positioning of the water pump bearing by the bearing positioning telescopic rod 3, the length of the telescopic rod is larger than the inner diameter of the water pump bearing and smaller than the outer diameter of the water pump bearing, so that the bearing positioning telescopic rod 3 acts on the bearing to realize the pulling force and the pushing force of the disassembly and assembly of the water pump bearing.
As a specific embodiment of the present utility model, the telescopic rod includes an outer rod 31 and an inner rod 32 which is slidably disposed in the outer rod 31, and the overall length of the bearing positioning telescopic rod 3 can be adjusted by adjusting the extension length of the inner rod 32 in the outer rod 31, so that the bearing positioning telescopic rod 3 can be suitable for water pump bearings of different sizes.
As a specific embodiment of the present utility model, the middle part of the outer rod 31 is provided with a second connection hole 33 matching the outer diameter of the threaded rod body 1, the outer rod 31 is connected to the lower end of the threaded rod body 1 through the second connection hole 33, and the upper and lower parts of the outer rod 31 are respectively provided with connection nuts 6 screwed on the threaded rod body 1, and the outer rod 31 can be fixed to the lower end of the threaded rod body 1 through the connection nuts 6 screwed on the upper and lower parts of the threaded rod body 1.
As a specific implementation mode of the utility model, the surface of the bearing positioning telescopic rod 3 is provided with the rubber protection bushing, and when the bearing positioning telescopic rod 3 applies pulling force and pushing force to the water pump bearing, the surface of the water pump bearing can be protected from being damaged.
As a specific embodiment of the present utility model, the rotating device connected to the top end of the threaded rod main body 1 is a disc handle 7.
As a specific embodiment of the present utility model, the top end of the threaded rod main body 1 is of a regular polygon structure, an inner polygon hole matched with the regular polygon structure of the top end of the threaded rod main body 1 is arranged at the central part of the disc handle 7, and the top end of the threaded rod main body 1 is connected with the disc handle 7 through the regular polygon structure and the inner polygon hole. When the disk handle 7 is turned, the threaded rod body 1 can be driven to rotate.
When the water pump bearing is dismounted, the threaded hole clamping plate 2 is positioned and clamped on the water pump support through the two fastening positioning bolts 5 with nuts, then the threaded rod main body 1 is screwed into the threaded hole 22 in the center of the threaded hole clamping plate 2, the threaded rod main body 1 is continuously rotated, the lower end of the threaded rod main body 1 extends to the bottom of the water pump bearing, the bearing positioning telescopic rod 3 is mounted at the lower end of the threaded rod main body 1 at the bottom of the water pump bearing, finally the disk handle 7 is mounted at the top end of the threaded rod main body 1, the disk handle 7 rotates the threaded rod main body 1, the threaded rod main body 1 is gradually lifted, the bearing positioning telescopic rod 3 at the bottom end of the threaded rod main body 1 is lifted along with the threaded rod main body 1, the bearing positioning telescopic rod 3 applies upward thrust to the water pump bearing, and the water pump bearing can be dismounted from the bearing seat at the non-driving end of the water pump.
When the water pump bearing is installed, the threaded hole clamping plate 2 is positioned and clamped on the water pump support through the two fastening positioning bolts 5 with nuts, then the threaded rod main body 1 is screwed into the threaded hole 22 in the center of the threaded hole clamping plate 2, the threaded rod main body 1 is continuously rotated, the lower end of the threaded rod main body 1 extends to the top of the water pump bearing, the bearing positioning telescopic rod 3 is installed at the lower end of the threaded rod main body 1 at the top of the water pump bearing, finally the disc type handle 7 is installed at the top end of the threaded rod main body 1, the disc type handle 7 is used for reversely rotating the threaded rod main body 1, the threaded rod main body 1 is gradually lowered, the bearing positioning telescopic rod 3 at the bottom end of the threaded rod main body 1 descends along with the threaded rod main body 1, and the bearing positioning telescopic rod 3 applies downward pressure to the water pump bearing, and the water pump bearing can be installed in the bearing seat at the non-driving end of the water pump.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same, and although the present utility model has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present utility model.
Claims (8)
1. A nuclear power station water pump bearing assembly and disassembly tool is characterized in that: including threaded rod main part (1), with threaded rod main part (1) threaded connection's screw hole splint (2), the bottom and the bearing location telescopic link (3) fixed connection of threaded rod main part (1), the top of threaded rod main part (1) can be connected with rotating device (4) and make threaded rod main part (1) rotate, the both ends of screw hole splint (2) set up first connecting hole (21) with the flange hole matching of water pump support, threaded hole splint (2) both ends are passed through flange hole and first connecting hole (5) and water pump support fixed connection for fastening locating bolt (21).
2. The nuclear power plant water pump bearing disassembly tool of claim 1, wherein: the novel threaded rod is characterized in that external threads are arranged on the surface of the threaded rod main body (1), a threaded hole (22) matched with the external diameter of the threaded rod main body (1) is arranged in the middle of the threaded hole clamping plate (2), internal threads matched with the external threads are arranged on the threaded hole (22), and the threaded rod main body (1) and the threaded hole clamping plate (2) are connected together through the external threads and the internal threads.
3. The nuclear power plant water pump bearing disassembly tool of claim 1, wherein: the bearing positioning telescopic rod (3) is of a cross structure formed by connecting two telescopic rods, two ends of each telescopic rod can stretch, and the length of each telescopic rod is larger than the inner diameter of the water pump bearing and smaller than the outer diameter of the water pump bearing.
4. A nuclear power plant water pump bearing removal tool as claimed in claim 3, wherein: the telescopic rod comprises an outer rod (31) and an inner rod (32) which is arranged in the outer rod (31) and can slide.
5. The nuclear power plant water pump bearing assembly and disassembly tool of claim 4, wherein: the middle part of the outer rod (31) is provided with a second connecting hole (33) matched with the outer diameter of the threaded rod main body (1), the outer rod (31) is connected to the lower end of the threaded rod main body (1) through the second connecting hole (33), and the upper part and the lower part of the outer rod (31) are respectively fixed with the outer rod (31) through a connecting nut (6) screwed on the threaded rod main body (1).
6. The nuclear power plant water pump bearing assembly and disassembly tool of claim 4, wherein: the surface of the bearing positioning telescopic rod (3) is provided with a rubber protection bushing.
7. The nuclear power plant water pump bearing disassembly tool of claim 1, wherein: the rotating device (4) connected with the top end of the threaded rod main body (1) is a disc handle (7).
8. The nuclear power plant water pump bearing disassembly tool of claim 7, wherein: the top end of the threaded rod main body (1) is of a regular polygon structure, an inner polygon hole matched with the regular polygon structure at the top end of the threaded rod main body (1) is formed in the center of the disc-type handle, and the top end of the threaded rod main body (1) is connected with the disc-type handle (7) through the regular polygon structure and the inner polygon hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222764108.0U CN219337598U (en) | 2022-10-17 | 2022-10-17 | Nuclear power station water pump bearing assembly and disassembly tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222764108.0U CN219337598U (en) | 2022-10-17 | 2022-10-17 | Nuclear power station water pump bearing assembly and disassembly tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219337598U true CN219337598U (en) | 2023-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222764108.0U Active CN219337598U (en) | 2022-10-17 | 2022-10-17 | Nuclear power station water pump bearing assembly and disassembly tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219337598U (en) |
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2022
- 2022-10-17 CN CN202222764108.0U patent/CN219337598U/en active Active
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