Tool set for disassembling mechanical seal

By designing a mechanical seal disassembly tool kit that includes components such as assembly column, flipping parts, replacement parts, and transmission rod, the problem of cumbersome replacement steps for traditional centrifugal pump seals has been solved, improving replacement efficiency and tool convenience, and reducing maintenance costs.

CN223947837UActive Publication Date: 2026-02-27CNOOC (CHINA) CO LTD TIANJIN BRANCH BOXI OPERATION CO
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Patent Information

Application Number
CN202520667453.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-10
Publication Date
2026-02-27
Estimated Expiration
2035-04-10

AI Technical Summary

Technical Problem

The replacement of mechanical seals in traditional centrifugal pumps requires too many tools, resulting in cumbersome replacement procedures, increased equipment downtime, and impact on production continuity and efficiency.

Method used

Design a tool kit for disassembling mechanical seals, including components such as assembly column, flipping component, replacement component, magnetic block and transmission rod, to achieve convenient tool replacement and classified disassembly, and optimize the operation process.

Benefits of technology

It improves the convenience and efficiency of mechanical seal replacement, reduces preparation time, lowers maintenance difficulty and cost, and ensures the stability and service life of the tool.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a tool set for disassembling a mechanical seal. The tool set comprises a mounting piece, an octagonal assembling column is fixedly connected to the mounting part, assembling grooves are uniformly formed in the outer side face of the assembling column, and first replacement assemblies are arranged on the multiple sets of assembling grooves and the mounting part; and an assembling cavity is further formed in the assembling column, a movable block is arranged in the assembling cavity in a penetrating mode, a mounting hole is further formed in the movable block in a penetrating mode, and a second replacement assembly is further arranged in the mounting hole in a penetrating mode. According to the tool set for disassembling the mechanical seal, a plurality of sets of first replacing assemblies are arranged in an assembling groove of an assembling column, replacing parts of the first replacing assemblies cover common tools such as wrenches and prying needles of different models and are arranged on overturning parts, taking and using are convenient and fast, preparation work is reduced, and the seal replacing efficiency is improved. Meanwhile, the first replacement assembly is used for disassembling pump body bolts and the like, the second replacement assembly is used for disassembling a pump cover, the two assemblies are disassembled in a classified mode, and the actual operation efficiency of mechanical seal replacement is optimized.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of dismounting tool, more specifically, it relates to a tool set for dismounting mechanical seal. BACKGROUND

[0002] The centrifugal pump is used because the gap exists between the pump shaft and the pump shell, if not sealed, it will affect the normal operation of the pump, reduce its efficiency, and the mechanical seal can effectively prevent the leakage and impurities from entering, ensure the performance and safety of the centrifugal pump, and make it work stably and reliably, but the replacement mode of the traditional centrifugal pump mechanical seal is artificial replacement, and too many replacement tools will lead to complicated replacement steps, and the replacement cannot be carried out quickly, long-term maintenance work will increase the labor intensity of maintenance personnel, and if the maintenance is not timely, the equipment downtime will be prolonged, and then the continuity and efficiency of production will be affected, and the production cost will be increased. CONTENT

[0003] In order to solve the above technical problems, the utility model provides a tool set for dismounting mechanical seal, so as to solve the technical problems that too many replacement tools of the traditional centrifugal pump sealing element will lead to frequent replacement and dismounting of tools, and then lead to complicated steps, so that the sealing element cannot be replaced quickly, and then the equipment downtime is prolonged, and the sealing element replacement efficiency is affected.

[0004] The purpose and effect of the tool set for dismounting mechanical seal are achieved by the following specific technical means:

[0005] A tool set for dismounting mechanical seal, comprising a mounting piece, the mounting piece is fixedly connected with an octahedral assembly column, a plurality of assembly grooves are uniformly arranged on the outer side of the assembly column, a plurality of assembly grooves and the mounting piece are provided with a first replacement assembly; an assembly cavity is further arranged in the assembly column, a movable block is arranged in the assembly cavity, an installation hole is further arranged in the movable block, and a second replacement assembly is further arranged in the installation hole.

[0006] The above technical solution further comprises that the first replacement assembly comprises a plurality of turnover pieces, a plurality of connecting seats are uniformly arranged on the mounting piece, two groups of installation columns are arranged on the two opposite sides of the plurality of turnover pieces, and the plurality of turnover pieces are respectively arranged in the plurality of connecting seats through the installation columns.

[0007] The technical scheme further comprises that the end of the plurality of sets of turnover pieces away from the mounting piece is provided with a mounting groove, the mounting groove is provided with a replacement piece, and the opposite inner sides of the turnover piece are provided with opposite limiting grooves.

[0008] The technical scheme further comprises that the first magnetic block is arranged in the plurality of sets of assembly grooves, and the second magnetic block is arranged on the side of the plurality of sets of replacement pieces close to the assembly groove.

[0009] The technical scheme further comprises that the second replacement assembly comprises a transmission rod, the transmission rod is arranged in the assembly column and the movable block and penetrates the mounting piece, the end of the mounting piece away from the assembly column is provided with an assembly groove, and the assembly groove is provided with a foldable rotating rod.

[0010] The technical scheme further comprises that the top of the movable block is uniformly provided with three sets of connecting parts, and the three sets of connecting parts are respectively connected with a pull claw hook through a connecting piece.

[0011] The technical scheme further comprises that the assembly column is provided with a movable piece, the movable piece is movably arranged on the transmission rod, and the movable piece is movably connected with the three sets of pull claw hooks through a clamping piece.

[0012] Compared with the prior art, the utility model has the advantages of the following:

[0013] 1. A plurality of assembly grooves on the assembly column are provided with a plurality of first replacement assemblies, the replacement piece of the first replacement assembly comprises different types of wrenches, pry needles and other tools, so that the commonly used mechanical seal replacement tools can be placed in the turnover piece, and when the tools are needed, different types of replacement pieces can be directly taken out from the assembly groove and the turnover piece. In this way, the user can replace the tools more conveniently, the preparation work when replacing the mechanical seal is reduced, the convenience of tool replacement is improved, and the efficiency of mechanical seal replacement is improved.

[0014] 2. The first replacement assembly can be used for disassembling the bolts, screws and other components on the centrifugal pump body, and the second replacement assembly is convenient for disassembling the pump cover. The two sets of replacement assemblies are used for classifying and disassembling different components, and the actual operation efficiency of the device in the process of replacing the mechanical seal of the centrifugal pump is optimized. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the structure schematic diagram of the utility model after assembly.

[0016] Figure 2 is the structure schematic diagram of the first replacement assembly after being split of the utility model.

[0017] Figure 3 is the structure schematic diagram of the second replacement assembly of the utility model.

[0018] Figure 4 is the structure schematic diagram of the mounting piece and the assembling column of the utility model.

[0019] Figure 5 is the structure schematic diagram of the turnover piece of the utility model.

[0020] In the figure, the corresponding relationship of component name and figure number is:

[0021] 1, mounting piece;2, assembling column;3, transmission rod;101, movable block;201, turnover piece;202, connecting seat;301, replacement piece;302, limiting groove;303, limiting protruding block;401, first magnetic block;402, second magnetic block;501, rotating rod;601, connecting part;602, pawl hook;701, movable piece. Specific implementation

[0022] The implementation of the utility model will be described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the technical scheme of the utility model, but cannot be used to limit the protection scope of the utility model.

[0023] Example:

[0024] As Figures 1 to 5 shown, the utility model provides a kind of tool set for mechanical seal dismounting, including mounting piece 1, eight-face shaped assembling column 2 is fixedly connected on mounting piece 1, and uniform assembling groove is opened on the outside of assembling column 2, and a plurality of assembling grooves and mounting piece 1 are provided with first replacement assembly;Assembling cavity is also opened in assembling column 2, and movable block 101 is penetrated in assembling cavity, and mounting hole is also penetrated and opened on movable block 101, and second replacement assembly is also penetrated in mounting hole.Eight-face shaped assembling column 2 outside assembling groove and mounting piece 1 can be placed with a plurality of first replacement assemblies, and first replacement assembly can place different models of replacement tool, so that device can quickly replace different tools, to realize simultaneously executing multiple operations, meet different sealing replacement needs;Its assembling column 2 inside is also provided with second replacement assembly, which can be operated with first replacement assembly, to facilitate the dismounting of centrifugal pump cover, expand device function;At the same time, the first replacement assembly outside is convenient for quick access, suitable for routine operation. The second replacement assembly inside works when needed, and the operation process is smooth. Different components perform their respective functions, without frequent switching tools or adjusting operation mode, reduce operation difficulty, improve the convenience of mechanical seal replacement operation.

[0025] The top of the assembling column 2 is also detachably provided with a top cover (not shown in the figure), which can bind a plurality of first replacement assemblies and protect the device when it is idle, preventing the loss of parts in the device. At the same time, this can also reduce the collision of the device and its internal parts, thereby increasing the service life of the device.

[0026] The movable block 101 in the assembling column 2 can move in the assembling column 2, and the second replacement assembly is also provided on the movable block 101. The second replacement assembly can be folded by the movability of the movable block 101, so that it is stored in the assembling column 2, which can be convenient to use when replacing, and the assembling column 2 can also protect the second replacement assembly, which can prevent the device from being damaged by collision when it is idle, thereby prolonging the service life of the assembly.

[0027] As shown in Figure 1 , Figure 2 and Figure 5 , the first replacement assembly includes a plurality of turnover pieces 201, and the mounting piece 1 is uniformly provided with a plurality of connecting seats 202. The two opposite sides of the plurality of turnover pieces 201 are provided with two mounting columns, and the plurality of turnover pieces 201 are respectively reversibly arranged in the plurality of connecting seats 202 through the mounting columns. The end of the plurality of turnover pieces 201 away from the mounting piece 1 is provided with a mounting slot, and the mounting slot of the plurality of turnover pieces 201 is provided with a replacement piece 301. The two opposite inner sides of the turnover piece 201 are also provided with a limiting groove 302, and the plurality of replacement pieces 301 are provided with a limiting protrusion 303 corresponding to the limiting groove 302. The limiting protrusion 303 is detachably clamped in the limiting groove 302. The plurality of turnover pieces 201 are connected with the connecting seat 202 through the mounting column, and have the characteristics of flexible turnover in the connecting seat 202. At the same time, the plurality of turnover pieces 201 are detachably arranged with the replacement piece 301. In actual operation, the turnover function of the turnover piece 201 can take out the replacement piece 301 needed from the assembling slot of the assembling column 2, and then take it off from the device. The maintenance personnel can quickly locate the replacement piece 301 needed, without searching in the messy tool pile, saving a lot of time, improving work efficiency, and ensuring the neatness and order of the work site. After use, the replacement piece 301 can be clamped into the turnover piece 201 to realize the storage of the replacement piece 301, so that the device can be used at any time.

[0028] The plurality of replacement parts 301 can be different types of wrenches and pry bars and other replacement tools. The replacement parts 301 are detachably connected by the limiting protrusions 303 cooperating with the limiting recesses 302 in the turnover parts 201. When the replacement parts 301 are worn out, damaged, or need to be replaced with different types of tools to meet different sealing replacement needs, maintenance personnel can quickly pull out different replacement parts 301 from the mounting slots of the turnover parts 201 by hand, so as to facilitate use or replacement, and then insert the limiting protrusions 303 of the new replacement parts 301 into the limiting recesses 302, so as to be installed. The entire process does not require additional tools, greatly shortens the replacement time, and improves the efficiency of mechanical seal replacement. At the same time, since each turnover part 201 and replacement part 301 is independent of each other, when the mounting column and connecting seat 202 of a certain turnover part 201 is loose or the replacement part 301 is faulty, only the single component needs to be repaired or replaced, without affecting the normal work of other turnover parts 201 and replacement parts 301, reducing the maintenance workload and difficulty, and saving maintenance cost.

[0029] As shown in Figure 2 The plurality of assembly grooves are also provided with first magnetic blocks 401, and the plurality of replacement parts 301 are also provided with second magnetic blocks 402 on the side close to the assembly grooves. The plurality of replacement parts 301 are attached to the plurality of first magnetic blocks 401 in the assembly grooves through the second magnetic blocks 402. The magnetic force of the first magnetic blocks 401 and the second magnetic blocks 402 can stably fix the replacement parts 301 in the assembly grooves. During movement, transportation or operation of the device, even if jolting or vibration occurs, the replacement parts 301 are not easy to loosen or fall off, ensuring the stability of the tool storage and preventing the device from being affected in normal use or causing damage or loss of the tool. At the same time, after use, the second magnetic blocks 402 will be attracted by the magnetic force of the first magnetic blocks 401 when the replacement parts 301 are placed back near the assembly grooves, automatically guiding the replacement parts 301 to accurately attach to the predetermined position in the assembly grooves, achieving automatic homing. This not only facilitates tool storage, but also ensures that the position of the replacement parts 301 is accurate and consistent each time, facilitating quick access next time and reducing the loss or confusion of tools caused by random placement.

[0030] As shown in Figure 3As shown, the second replacement assembly comprises a transmission rod 3, which is arranged in the assembling column 2 and the movable block 101 through the mounting member 1; the end of the mounting member 1 away from the assembling column 2 is also provided with an assembly groove, and a foldable rotating rod 501 is arranged in the assembly groove and connected with the transmission rod 3; the top of the movable block 101 is uniformly provided with three groups of connecting parts 601, and the three groups of connecting parts 601 are respectively connected with pull claw hooks 602 through connecting members; the assembling column 2 is also provided with a movable member 701, which is movably sleeved on the transmission rod 3, and the movable member 701 is movably connected with the three groups of pull claw hooks 602 through clamping pieces. The rotating rod 501 is connected with the transmission rod 3, and the rotating rod 501 can be folded and stored in the assembly groove, which not only saves space, but also can be unfolded when needed to drive the transmission rod 3, forming a close linkage structure. The movable member 701 is sleeved on the transmission rod 3, and is connected with the pull claw hook 602 through the clamping piece. When the transmission rod 3 moves, the movable member 701 can be accurately driven, and the synchronous operation of the pull claw hook 602 is realized, so that the cooperation of each part is ensured, and the overall structure is compact and efficient.

[0031] By rotating the rotating rod 501, the movable member 701 can be moved on the transmission rod 3 in the assembling column 2 by the transmission rod 3, so that the opening and closing, stretching and retracting and other actions of the pull claw hook 602 connected with the movable member 701 can be flexibly controlled, and the disassembly operation of the centrifugal pump parts in different positions and working conditions can be easily handled, and the operation convenience is greatly improved.

[0032] The three groups of connecting parts 601 are matched with the connecting members and the pull claw hooks 602, the pull claw hooks 602 can adjust the grabbing position and force according to the shape and size of the centrifugal pump cover and other parts, and adapt to the disassembly requirements of parts of various specifications; the movable member 701 is movably connected with the pull claw hook 602 through the clamping piece, and the angle of the pull claw hook 602 can be finely adjusted, so that stable grabbing can be ensured when irregular parts are disassembled. Combined with the transmission of the transmission rod 3 and the rotating rod 501, the pull claw hook 602 can accurately grab and stably lift the pump cover and other parts, and the mechanical seal replacement task of different types of centrifugal pumps can be efficiently completed.

[0033] The top of the assembling column 2 is also detachably provided with a top cover, the top cover can bind a plurality of first replacement assemblies, and the device can be protected when the device is idle, so that the parts in the device are prevented from being lost, and at the same time, the collision between the device and the internal parts is reduced, and the service life of the device is increased.

[0034] The above only describes the embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A tool set for dismounting mechanical seals, comprising a mounting member (1), characterized in that: The mounting piece (1) is fixedly connected with an eight-faced assembly column (2), uniform assembly grooves are arranged on the outer side of the assembly column (2), a plurality of groups of the assembly grooves and the mounting piece (1) are provided with first replacement assemblies; an assembly cavity is further arranged in the assembly column (2), a movable block (101) is arranged in the assembly cavity, an installation hole is further arranged through the movable block (101), and a second replacement assembly is further arranged in the installation hole.

2. A mechanical seal dismounting tool set according to claim 1, characterized in that: The first replacement assembly comprises a plurality of groups of turnover pieces (201), a plurality of groups of connecting seats (202) are uniformly arranged on the mounting piece (1), two groups of mounting columns are arranged on the two opposite sides of the plurality of groups of turnover pieces (201), and the plurality of groups of turnover pieces (201) are respectively and reversibly arranged in the plurality of groups of connecting seats (202) through the mounting columns.

3. A mechanical seal dismounting tool set according to claim 2, characterized in that: One end of the plurality of groups of turnover pieces (201) away from the mounting piece (1) is provided with an installation groove, a replacement piece (301) is arranged in the installation groove of the plurality of groups of turnover pieces (201), a limiting groove (302) is further and oppositely arranged on the two opposite inner sides of the turnover piece (201), a limiting convex block (303) is further arranged on the plurality of groups of replacement pieces (301) corresponding to the limiting groove (302), and the limiting convex block (303) is detachably clamped in the limiting groove (302).

4. A mechanical seal dismounting tool set according to claim 3, characterized in that: A first magnetic block (401) is further arranged in the plurality of groups of assembly grooves, a second magnetic block (402) is further arranged on one side of the plurality of groups of replacement pieces (301) close to the assembly groove, and the plurality of groups of replacement pieces (301) are attached to the first magnetic block (401) in the plurality of groups of assembly grooves through the second magnetic block (402).

5. The tool set according to claim 1, wherein: The second replacement assembly comprises a transmission rod (3), the transmission rod (3) penetrates the mounting piece (1) and is arranged in the assembly column (2) and the movable block (101); one end of the mounting piece (1) away from the assembly column (2) is further provided with an assembly groove, a foldable rotating rod (501) is further arranged in the assembly groove, and the rotating rod (501) is connected with the transmission rod (3).

6. A mechanical seal dismounting tool set according to claim 5, characterized in that: Three groups of connecting portions (601) are uniformly arranged on the top of the movable block (101), and a pull claw hook (602) is further connected to each connecting portion (601) through a connecting piece.

7. A mechanical seal dismounting tool set according to claim 6, characterized in that: An active piece (701) is further arranged in the assembly column (2), the active piece (701) is movably sleeved on the transmission rod (3), and the active piece (701) is movably connected with the three groups of pull claw hooks (602) through clamping pieces.