Matching tool capable of quickly disassembling balance disc

By designing a matching tool that allows for quick disassembly of the balance disc, and utilizing the mechanical power of threaded connections and a lever, the problem of difficult disassembly of the balance disc was solved, enabling a fast and safe disassembly process and reducing labor intensity and economic losses.

CN223708061UActive Publication Date: 2025-12-23DAQING OILFIELD CO LTD +1
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Patent Information

Application Number
CN202423225541.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-12-23
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

In existing technologies, the balance disc is tightly fitted to the pump shaft and the space is small, making disassembly difficult, especially in oilfield environments where water is scaled. Conventional tools are not enough to disassemble it, and destructive disassembly is required, which increases the scrap rate of parts and safety hazards.

Method used

Design a tool that includes a variable diameter body, a main body, an adjusting screw, and a force-adding rod. It can be quickly disassembled from the balance disc via a threaded connection and uses the force-adding rod to provide mechanical power, thus simplifying the disassembly process.

Benefits of technology

It enables quick and safe disassembly of the balance disc, reduces labor intensity and material waste, lowers economic losses, and avoids parts scrapping and safety risks.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223708061U_ABST
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Abstract

The utility model relates to the technical field of multi-stage centrifugal pump maintenance, in particular to a matching tool capable of quickly disassembling a balance disc. The matching tool comprises a reducing main body, a main body, an adjusting jackscrew and a stress application rod, the reducing main body is arranged at the right end of the main body, the reducing main body is in threaded connection with the main body, the adjusting jackscrew is embedded in the main body, and the stress application rod is arranged at the right end of the adjusting jackscrew; the novel balance disc comprises a balance pressing disc and a balance disc body, the balance pressing disc is arranged at the left end of the balance disc body, the balance pressing disc and the balance disc body are connected through a plurality of fixing bolts, and threads are arranged on the outer wall of the right end of the balance disc body and used for being in threaded connection with a variable-diameter body. By means of the stress application rod, a user can easily disassemble the novel balance disc by rotating the stress application rod, the balance pressing disc in the novel balance disc can be independently replaced when being abraded, the whole balance disc does not need to be replaced, and the material loss cost is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the maintenance technical field of multistage centrifugal pump especially relates to a matched tool of balance disc can be quickly disassembled. BACKGROUND

[0002] The balance disc is one of important spare parts of the multistage centrifugal pump and is also a wearing part. When the balance disc is seriously worn, it must be repaired or replaced in time. However, since the balance disc is tightly fitted with the pump shaft and the balance chamber space is very narrow, some conventional tools are difficult to use, leading to complicated and difficult repair work.

[0003] In the oil field environment, water quality is easy to scale, which further aggravates the difficulty of disassembling the balance disc. During the repair and maintenance process, the balance disc often cannot be smoothly disassembled due to scaling, and sometimes even needs to be destructively disassembled by using electric welding, gas cutting and other means. This method not only causes the balance disc and other spare parts near it to be scrapped, but also increases the safety hazards in the station, causing huge economic losses to the enterprise. SUMMARY

[0004] (I) Technical problem to be solved

[0005] The utility model provides a matched tool of balance disc can be quickly disassembled to overcome the problem that when the balance disc is adhered, there is no professional tool for disassembly, and gas welding needs to be used to increase the scrap rate of spare parts.

[0006] (II) Technical scheme

[0007] In order to achieve the above-mentioned purpose, the utility model provides a matched tool of balance disc can be quickly disassembled, including: variable diameter main part, main part, adjusting top wire and force bar;

[0008] The variable diameter main part is a hollow cylindrical structure, the right end outer wall of variable diameter main part is equipped with screw threads, and the left end inner wall of variable diameter main part is equipped with screw threads;

[0009] The main part is a hollow cylindrical structure, the left end of main part is equipped with internal threads, the right end face center is equipped with a through hole, and the right end of variable diameter main part is embedded into the left end of main part.

[0010] The adjusting top wire is embedded in the through hole provided in the right end of main part, and the right end of adjusting top wire is equipped with a force bar.

[0011] Preferably, the outer wall of main part is symmetrically equipped with two rotating handles, the rotating handle is a cylindrical structure, and the rotating handle and main part are integrated.

[0012] Preferably, the outer wall of rotating handle is sleeved with a rubber sleeve.

[0013] Preferably, the through hole inner wall of the right end face of the main body is provided with threads.

[0014] Preferably, the adjusting top wire is composed of three parts, the left end of the adjusting top wire is a circular truncated cone structure, the middle part is a cylindrical structure, and the right end is a hexagonal structure.

[0015] The left end of the adjusting top wire is embedded in the main body, the outer wall of the middle part of the adjusting top wire is provided with threads, and the adjusting top wire is connected with the main body through threads.

[0016] Preferably, the force adding rod is a rectangular structure, the upper end of the force adding rod is provided with a hexagonal through hole matched with the right end of the adjusting top wire, and the upper and lower ends of the force adding rod are respectively rounded.

[0017] Preferably, the force adding rod is sleeved on the outer wall of the hexagonal structure of the right end of the adjusting top wire, and the adjusting top wire can be rotated by rotating the force adding rod.

[0018] (Three) beneficial effects

[0019] The utility model provides a kind of matched tool of quick detachable balance disc, can be realized by the mechanical power of matched tool, can be connected with the thread on detachable balance disc to realize quick detachment, greatly reduce the time and labor needed for detachment;

[0020] The variable diameter main body in the matched tool is used to be connected with the thread of detachable balance disc;The force adding rod makes it more convenient to exert force, and users can easily detach the balance disc by rotating the force adding rod, even in the case of limited space, it can be easily operated.

[0021] The novel balance disc is composed of balance pressure disc and balance disc main body, and the two are connected by a plurality of fixing bolts, the outer wall of the balance disc main body is processed with threads, for being connected with the thread of variable diameter main body, the balance pressure disc can be directly replaced when the working end face of the novel balance disc is worn, without replacing the entire balance disc, so as to reduce the labor intensity of workers and save material loss cost. DRAWINGS

[0022] Figure 1 The utility model discloses a kind of matched tool structure schematic diagram of quick detachable balance disc, as shown in the figure;

[0023] Figure 2 The utility model discloses a kind of matched tool sectional structure schematic diagram of quick detachable balance disc, as shown in the figure;

[0024] Figure 3 The utility model discloses a kind of detachable balance disc structure schematic diagram, as shown in the figure;

[0025] Figure 4The utility model discloses a matched tool of quick detachable balance disc shows working state schematic diagram.

[0026] Among them: 1: detachable balance disc;11: balance pressure disc;12: balance disc main body;13: fixed bolt;2: variable diameter main body;3: main body;4: adjusting top silk;5: force bar;6: rotating handle;7: rubber sleeve. DETAILED DESCRIPTION

[0027] The utility model is described in detail below in combination with the drawings and examples.

[0028] In the description of the utility model, it is necessary to understand that the orientation or position relation indicated by "up", "down", "left", "right", "inner", "outer", "top", "bottom" and the like are all based on the orientation or position relation shown in the drawings, and the target is only to facilitate the description of the utility model and simplify the description, and is not indicative or implicit of the indicated components necessarily having a particular orientation, being constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0029] As Figures 1-4 Indicated, the utility model provides a matched tool of quick detachable balance disc, include: variable diameter main body 2, main body 3, adjusting top silk 4 and force bar 5;

[0030] The variable diameter main body 2 is hollow cylindrical structure, and the right end outer wall of variable diameter main body 2 is equipped with screw thread, the left end inner wall of this variable diameter main body 2 is equipped with screw thread, so that variable diameter main body 2 can be connected and cooperate with other components with corresponding screw thread, the main body 3 is hollow cylindrical structure, and the left end of main body 3 is equipped with internal thread, and the right end surface center is equipped with through-hole, the right end of variable diameter main body 2 is embedded into the left end of main body 3, and firm connection is realized through screw thread.

[0031] The outer wall of main body 3 is symmetrically equipped with two rotating handles 6, and the rotating handle 6 is cylindrical structure, and the rotating handle 6 is integrated with main body 3, to ensure the stability and reliability of structure, the outer wall of rotating handle 6 is sleeved with rubber sleeve 7, to improve the comfort degree when holding, and also increase the friction to prevent slipping during operation, and the through-hole inner wall provided with screw thread in the right end surface center of main body 3, so that main body 3 can be connected with other tools with corresponding screw thread through screw thread.

[0032] The through hole provided at the right end of the main body 3 is embedded with an adjusting top pin 4, the adjusting top pin 4 is composed of three parts, the left end of the adjusting top pin 4 is a circular table structure, the middle part is a cylindrical structure, and the right end is a hexagonal structure, the left end of the adjusting top pin 4 is embedded in the through hole of the main body 3, the outer wall of the middle part of the adjusting top pin 4 is provided with a thread, which is matched with the thread on the inner wall of the through hole of the main body 3 to realize threaded connection, and the right end of the adjusting top pin 4 is designed as a hexagonal structure, which facilitates the rotation operation of the adjusting top pin 4 by the force rod 5, and increases the convenience of operation.

[0033] The right end of the adjusting top pin 4 is provided with a force rod 5, the force rod 5 is a rectangular structure, the upper end of the force rod 5 is provided with a hexagonal hole matched with the right end of the adjusting top pin 4, so that the force rod 5 can be closely sleeved on the outer wall of the hexagonal structure of the right end of the adjusting top pin 4, and the stable connection between the two is ensured, the upper and lower ends of the force rod 5 are respectively rounded, which reduces the sharp edges that may be generated in the operation process and improves the safety of use, the force rod 5 is sleeved on the outer wall of the hexagonal structure of the right end of the adjusting top pin 4, and the adjusting top pin 4 can be driven to rotate by rotating the force rod 5.

[0034] The utility model also provides a novel balance disc can be matched with the tool quick disassembly, include: detachable balance disc 1;

[0035] The detachable balance disc 1 includes: balance pressure disc 11 and balance disc main part 12, the balance pressure disc 11 is located at the left end of the balance disc main part 12, the balance pressure disc 11 is annular structure, the right end surface of the balance pressure disc 11 is provided with annular groove, the balance disc main part 12 is embedded in the balance pressure disc 11, the balance pressure disc 11 is connected with the balance disc main part 12 through a plurality of fixed bolts 13, this connection mode not only ensures the firm combination between the two but also facilitates disassembly and replacement, the balance disc main part 12 is composed of two parts, the left end of the balance disc main part 12 is circular ring structure, and the right end is hollow cylindrical structure, the outer wall of the right end of the balance disc main part 12 is provided with a thread, and the thread enables the balance disc main part 12 to be connected with the variable diameter main body 2 in a threaded manner.

[0036] The actual working scene of the matched tool for the quick disassembly balance disc will be described in detail below.

[0037] The matched tool for the quick disassembly balance disc in the actual working process includes the following steps:

[0038] Step S1, the left end of the variable diameter main body 2 is sleeved on the balance disc main part 12 at the right end of the detachable balance disc 1. Since the inner wall of the left end of the variable diameter main body 2 and the outer wall of the right end of the balance disc main part 12 are both provided with threads, the two can be connected through threads, ensuring the firmness and stability of the connection;

[0039] Step S2, the main body 3 is sleeved on the right end of the variable diameter main body 2. The left end of the main body 3 is provided with an internal thread matched with the thread of the outer wall of the right end of the variable diameter main body 2, and the main body 3 is screwed with the variable diameter main body 2 by rotating the rotating handle 6 provided on the outer wall of the main body 3, and the design of the rotating handle 6 makes the operation more labor-saving and convenient.

[0040] Step S3, the adjusting top wire 4 is inserted into the threaded through hole of the right end face of the main body 3, and the adjusting top wire 4 is screwed with the main body 3, and the end face of the left end circular cone structure of the adjusting top wire 4 is tightly attached to the shaft center of the multistage centrifugal pump by rotating the adjusting top wire 4.

[0041] Step S4, the force adding rod 5 is sleeved on the hexagonal structure of the right end of the adjusting top wire 4, the adjusting top wire 4 is rotated by the force adding rod 5, and the adjusting top wire 4 is abutted on the shaft center of the multistage centrifugal pump, the main body 3 is reversely rotated along the adjusting top wire 4, and the detachable balance disc 1 is gradually pulled out of the multistage centrifugal pump, and the design of the force adding rod 5 makes the operation more labor-saving, especially in the case of needing to exert a large torque.

[0042] Step S5, after the detachable balance disc 1 is completely pulled out of the multistage centrifugal pump, a plurality of fixing bolts 13 connecting the balance pressure disc 11 and the balance disc main body 12 are removed, the damaged balance pressure disc 11 is replaced, and a balance disc replacement operation is completed.

[0043] It can be understood that the above-mentioned various embodiments of the utility model can be combined with each other to form combined embodiments without violating the principle logic, and the utility model will not be repeated here due to the limited length.

[0044] Those skilled in the art can understand that the writing order of each step in the above-mentioned method of the specific embodiment does not mean a strict execution order and does not constitute any limitation on the implementation process, and the specific execution order of each step should be determined by its function and possible internal logic.

[0045] The matching tool for quickly disassembling the balance disc provided by the utility model can be connected with the thread on the detachable balance disc 1 through the mechanical power of the matching tool to realize quick disassembly, and the time and labor required for disassembly are greatly reduced.

[0046] The variable diameter main body 2 in the matching tool is used for thread connection with the detachable balance disc 1.

[0047] The force adding rod 5 makes it more convenient to exert force, and the user can easily disassemble the balance disc by rotating the force adding rod 5, and the operation is easy even in the case of limited space.

[0048] The new type balance disc is composed of a balance disc main body 12 and a balance disc 11, the two are connected through a plurality of fixing bolts 13, the outer wall of the balance disc main body 12 is processed with a thread, used for screwing with the variable diameter main body 2, the balance disc 11 can be directly replaced when the working end face of the new type balance disc is abraded, the whole balance disc does not need to be replaced, thereby the purpose of reducing the labor intensity of workers and saving material loss cost is achieved.

[0049] The above has described the embodiments of the utility model, the above description is exemplary, is not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without deviating from the scope and spirit of the described embodiments. The selection of the terms used herein is intended to best explain the principles of the embodiments, practical application or technical improvement in the market, or to enable other ordinary skilled in the art to understand the embodiments disclosed herein.

Claims

1. A set of tools for quick dismounting of a balance disc, characterized in that, Include: Variable diameter body (2), body (3), adjusting the top silk (4) and force bar (5); The variable diameter body (2) is hollow cylindrical structure, the outer wall of variable diameter body (2) right end is equipped with screw thread, the inner wall of variable diameter body (2) left end is equipped with screw thread; The body (3) is hollow cylindrical structure, the left end of body (3) is equipped with internal thread, the right end face center is equipped with through hole, the right end of variable diameter body (2) is embedded in the left end of body (3); The through hole of the right end of body (3) is embedded with adjusting the top silk (4), the right end of adjusting the top silk (4) is equipped with force bar (5).

2. The kit of tools for quick detachable balance disc according to claim 1, characterized in that, The outer wall of body (3) is equipped with two rotating handles (6) symmetrically, the rotating handle (6) is cylindrical structure, rotating handle (6) is made into a whole with body (3).

3. The tool set for quick detachable balance disc according to claim 2, wherein, The outer wall of rotating handle (6) is equipped with rubber sleeve (7).

4. The kit of tools for quick detachable balance disc according to claim 1, wherein, The inner wall of the through hole of the right end face center of body (3) is equipped with screw thread.

5. The kit of tools for quick detachable balance disc according to claim 4, characterized in that, The adjusting the top silk (4) is composed of three parts, the left end of adjusting the top silk (4) is circular platform structure, the middle part is cylindrical structure, the right end is hexagonal structure; The left end circular platform structure of adjusting the top silk (4) is embedded in body (3), the outer wall of the middle part cylindrical structure of adjusting the top silk (4) is equipped with screw thread, adjusting the top silk (4) is connected with body (3) screw thread.

6. The kit of tools for quick detachable balance disc according to claim 5, characterized in that, The force bar (5) is rectangular structure, the upper end of force bar (5) is equipped with hexagonal through hole matched with the right end of adjusting the top silk (4), the upper and lower ends of force bar (5) are respectively rounded.

7. The tool set of claim 6, wherein, The force bar (5) is sleeved on the outer wall of the right end hexagonal structure of adjusting the top silk (4), by rotating force bar (5) can drive adjusting the top silk (4) to rotate.