Mechanical sealing element detection tool

Abstract

The utility model relates to the technical field of sealing element detection, and discloses a mechanical sealing element detection tool which comprises a workbench, a U-shaped plate is fixedly installed on the upper surface of the workbench, two storage grooves are formed in the upper surface of the workbench, a movable plate is installed on the lower surface of the U-shaped plate in a sliding mode, and an auxiliary mechanism is arranged on the workbench. The auxiliary mechanism comprises two trapezoidal plates and a glass base, an electric telescopic rod is fixedly mounted at the front end of the upper surface of the moving plate, the lower end of the electric telescopic rod penetrates to the lower end of the moving plate, a mounting box is fixedly mounted at the telescopic end of the electric telescopic rod, and the lower end of the mounting box is open; the glass base and the mechanical sealing element are immersed into the detection medium together, and when the mechanical sealing element is taken out, the glass base can be clamped and taken out, so that the integrity of a sample is prevented from being damaged when the clamp clamps the mechanical sealing element, the integrity of the sample is ensured, and the accuracy of a detection result is improved.

Description

Technical Field

[0001] This utility model relates to the field of sealing component testing technology, specifically a tooling for testing mechanical seal components. Background Technology

[0002] Mechanical seals are precision mechanical components used to prevent fluid leakage. They are widely used in rotating machinery such as pumps, compressors, and reactors. Their core structure includes a rotating ring, a stationary ring, an elastic element (such as a spring), and an auxiliary sealing ring. During operation, the rotating ring rotates with the shaft, while the stationary ring remains stationary. The two seals fit together to form a sealing end face, preventing media leakage. The elastic element provides the fitting pressure, and the auxiliary sealing ring prevents leakage between the shaft and the sealing cavity. Mechanical seals offer advantages such as reliable sealing, low leakage, long service life, and wide applicability (able to withstand harsh conditions such as high temperature, high pressure, and corrosion). They are key components for achieving efficient and safe operation of modern industrial equipment. Based on their structural form, they can be classified into single-end-face, double-end-face, and multi-spring types. Selection requires a comprehensive assessment of parameters such as media characteristics, working pressure, temperature, and rotational speed.

[0003] Currently, in the production and processing of mechanical seals, testing fixtures are needed to test the corrosion resistance of the mechanical seals. When testing the corrosion resistance of mechanical seals, the seals need to be placed in the test medium, such as acid, and then the mechanical seals are removed to observe the surface damage. However, currently, when removing mechanical seals, plastic tweezers or clamps are used to directly remove the mechanical seals from the medium. This can easily cause corrosion products adhering to the surface of the seals to fall off, destroying the integrity of the sample and affecting the subsequent test results. Utility Model Content

[0004] Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a testing fixture for mechanical seals, which solves the problem that currently, when removing mechanical seals, plastic tweezers or clamps are needed to directly remove the mechanical seals from the medium. This can easily cause corrosion products adhering to the seal surface to fall off, damaging the integrity of the sample and affecting subsequent test results.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a mechanical seal testing fixture, including a workbench, a U-shaped plate fixedly installed on the upper surface of the workbench, two storage slots opened on the upper surface of the workbench, and a movable plate slidably installed on the lower surface of the U-shaped plate;

[0008] The auxiliary mechanism is set on the workbench and includes two trapezoidal plates and a glass base. An electric telescopic rod is fixedly installed on the front end of the upper surface of the movable plate. The lower end of the electric telescopic rod extends to the lower end of the movable plate. A mounting box is fixedly installed on the telescopic end of the electric telescopic rod. The lower end of the mounting box is open. Two clamping plates are slidably installed on the inner wall of the mounting box. The two trapezoidal plates are fixedly connected to the lower ends of the adjacent surfaces of the two clamping plates. The glass base is placed above the two trapezoidal plates. Trapezoidal grooves are opened on the glass base corresponding to the positions of the two trapezoidal plates. The two trapezoidal plates are slidably inserted into the interior of the two trapezoidal grooves.

[0009] Preferably, the auxiliary mechanism further includes two plastic plates, which are respectively fixedly installed on the outer surfaces of the two trapezoidal plates.

[0010] Preferably, threaded rods are rotatably mounted on the left and right inner walls of the U-shaped plate, and a movable plate is threaded onto the outer surface of the threaded rods. A first motor is fixedly mounted on the right surface of the U-shaped plate, and the output end of the first motor is fixedly connected to the threaded rods.

[0011] Preferably, a bidirectional threaded rod is rotatably mounted on the inner wall of the mounting box, and both clamping plates are threadedly connected to the bidirectional threaded rod. A second motor is fixedly mounted on the front surface of the mounting box, and the output end of the second motor is fixedly connected to the bidirectional threaded rod.

[0012] Preferably, a flexible metal tube is fixedly installed at the rear end of the upper surface of the workbench.

[0013] Preferably, the upper surface of the glass base has multiple circular holes.

[0014] (III) Beneficial Effects

[0015] Compared with the prior art, this utility model provides a tooling for testing mechanical seals, which has the following advantages:

[0016] This mechanical seal testing fixture immerses the glass base and the mechanical seal together in the testing medium. When removing the mechanical seal, the glass base can be clamped and removed, preventing damage to the sample's integrity during clamping and ensuring sample integrity, thereby improving the accuracy of the test results. Attached Figure Description

[0017] Figure 1 This is a top view schematic diagram of the overall structure of the mechanical seal testing fixture of this utility model;

[0018] Figure 2 This is a schematic diagram of the internal cross-sectional side view of the mechanical seal testing fixture of this utility model;

[0019] Figure 3 for Figure 2 Enlarged structural diagram at point A in the middle;

[0020] Figure 4 This is a schematic diagram of the internal cross-section of the mechanical seal testing fixture of this utility model.

[0021] In the diagram: 1. Workbench; 2. U-shaped plate; 3. Storage tank; 4. Moving plate; 5. Trapezoidal plate; 6. Glass base; 7. Electric telescopic rod; 8. Mounting box; 9. Clamping plate; 10. Trapezoidal groove; 11. Plastic plate; 12. Threaded rod; 13. First motor; 14. Bidirectional threaded rod; 15. Second motor; 16. Metal flexible hose; 17. Circular hole. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-4 This utility model provides a new technical solution: a mechanical seal testing fixture, including a workbench 1, a U-shaped plate 2 fixedly installed on the upper surface of the workbench 1, two storage slots 3 opened on the upper surface of the workbench 1, and a movable plate 4 slidably installed on the lower surface of the U-shaped plate 2.

[0024] An auxiliary mechanism is set on the workbench 1. The auxiliary mechanism includes two trapezoidal plates 5 and a glass base 6. An electric telescopic rod 7 is fixedly installed on the front end of the upper surface of the movable plate 4. The lower end of the electric telescopic rod 7 extends through to the lower end of the movable plate 4. An installation box 8 is fixedly installed on the telescopic end of the electric telescopic rod 7. The lower end of the installation box 8 is open. Two clamping plates 9 are slidably installed on the inner wall of the installation box 8. The two trapezoidal plates 5 are respectively fixedly connected to the lower ends of the adjacent surfaces of the two clamping plates 9. The glass base 6 is placed above the two trapezoidal plates 5. A trapezoidal groove 10 is opened on the glass base 6 corresponding to the positions of the two trapezoidal plates 5. The two trapezoidal plates 5 are slidably inserted into the interior of the two trapezoidal grooves 10 respectively.

[0025] Furthermore, the auxiliary mechanism also includes two plastic plates 11, which are respectively fixedly installed on the outer surfaces of the two trapezoidal plates 5.

[0026] Furthermore, by immersing the glass base 6 and the mechanical seal together into the detection medium, the glass base 6 can be clamped and removed when the mechanical seal is taken out. This prevents the clamp from damaging the integrity of the sample when clamping the mechanical seal, thus ensuring the integrity of the sample and improving the accuracy of the detection results.

[0027] Furthermore, threaded rods 12 are rotatably mounted on the left and right inner walls of the U-shaped plate 2, and movable plate 4 is threaded onto the outer surface of the threaded rods 12. A first motor 13 is fixedly mounted on the right surface of the U-shaped plate 2, and the output end of the first motor 13 is fixedly connected to the threaded rods 12.

[0028] Furthermore, a bidirectional threaded rod 14 is rotatably mounted on the inner wall of the mounting box 8, and both clamping plates 9 are threadedly connected to the bidirectional threaded rod 14. A second motor 15 is fixedly mounted on the front surface of the mounting box 8, and the output end of the second motor 15 is fixedly connected to the bidirectional threaded rod 14.

[0029] Furthermore, a metal flexible tube 16 is fixedly installed at the rear end of the upper surface of the workbench 1.

[0030] Furthermore, the upper surface of the glass base 6 is provided with multiple circular holes 17.

[0031] Furthermore, when using this fixture to test the mechanical seal, the mechanical seal to be tested is placed on the glass base 6. The second motor 15 is started, driving the bidirectional threaded rod 14 to rotate, causing the two clamping plates 9 to move towards each other, so that the trapezoidal plate 5 at the lower end of the clamping plates is inserted into the trapezoidal groove 10 of the glass base 6, clamping the glass base 6 and the mechanical seal. Then, the first motor 13 is started, driving the threaded rod 12 to rotate, causing the moving plate 4 to slide to the left, so that the glass base 6 and the mechanical seal reach above the test medium in the left storage tank 3. Then, the electric telescopic rod 7 is started, causing it to vertically immerse the glass base 6 and the mechanical seal into the left storage tank. The test medium is placed in the acid solution in storage tank 3. Then, the second motor 15 rotates in the reverse direction, causing the two trapezoidal plates 5 to leave the interior of the two trapezoidal grooves 10. The electric telescopic rod 7 drives the two trapezoidal plates 5 away from the test medium. The soaking time is then controlled according to the test requirements. After soaking, the electric telescopic rod 7 and the second motor 15 are restarted, causing the two trapezoidal plates 5 to re-enter the interior of the two trapezoidal grooves 10, bringing the glass base 6 and mechanical seal away from the left storage tank 3. The seal is held above the left storage tank 3 for a period of time, allowing the medium adhering to the surface of the seal to drip back into the container naturally. The first motor 13 rotates in the reverse direction, moving the seal to the top of the right storage tank 3. The electric telescopic rod is restarted, causing it to move the seal into the interior of the right storage tank 3. The metal hose 16 injects flowing deionized water into the right storage tank to rinse away the test medium remaining on the surface of the seal. After cleaning, the electric telescopic rod retracts, and the moving plate 4 moves the seal to the right side of the workbench 1 for weighing and surface damage testing.

[0032] Structural Description: Workbench 1: As a basic support component for tooling, it supports structures such as U-shaped plate 2 and storage tank 3, providing a stable operating platform for mechanical seal testing;

[0033] U-shaped plate 2: Fixed on the workbench 1, with threaded rod 12 rotatably installed on the inner wall to guide the moving plate 4 to slide left and right, so as to realize the displacement of the seal between different work positions;

[0034] Storage tank 3: Two are distributed on the left and right. The left storage tank stores the test medium, and the right tank is used to hold deionized water, which are used to complete the corrosion detection and cleaning of the seals respectively.

[0035] Moving plate 4: threadedly connected to threaded rod 12, it slides left and right along U-shaped plate 2 under the drive of first motor 13, driving the sealing element to move between the two storage tanks 3;

[0036] Trapezoidal plate 5: Two are provided in total. They are connected to clamping plate 9 and inserted into trapezoidal groove 10 of glass base 6 to fix the glass base and ensure that the seal is stable in position during the testing process.

[0037] Glass base 6: Supports the mechanical seal and can be immersed in the test medium along with the seal;

[0038] Electric telescopic rod 7: Installed on the movable plate 4, it drives the mounting box 8, glass base 6, and sealing components to move up and down through telescopic movement;

[0039] Mounting box 8: Connects to electric telescopic rod 7, internally installed clamping plate 9, used to install and fix trapezoidal plate 5 and glass base 6, providing a support structure;

[0040] Clamping plate 9: There are two clamping plates in total. They move under the drive of the bidirectional threaded rod 14 and clamp or release the glass base 6 through the trapezoidal plate 5 to achieve quick clamping of the sealing element.

[0041] Trapezoidal groove 10: There are two in total, which are opened on the glass base 6 and cooperate with the trapezoidal plate 5 to achieve a stable connection between the glass base and the clamping plate 9.

[0042] Plastic plate 11: There are two in total, which are fixed on the outer surface of trapezoidal plate 5 to prevent trapezoidal plate 5 from making hard contact with glass base 6 and avoid scratching glass base or seals;

[0043] Threaded rod 12: Installed on the inner wall of U-shaped plate 2, threadedly engaged with movable plate 4, and driven by first motor 13 to realize the left and right movement of movable plate 4;

[0044] First motor 13: fixed to the right surface of U-shaped plate 2, providing rotational power for threaded rod 12, controlling the lateral movement of moving plate 4, and switching the seal detection station;

[0045] Bidirectional threaded rod 14: Installed on the inner wall of the mounting box 8, threadedly connected to the clamping plate 9, and driven by the second motor 15 to realize the opening and closing of the clamping plate 9;

[0046] Second motor 15: Installed on the front surface of mounting box 8, driving bidirectional threaded rod 14 to rotate, controlling clamping plate 9 to clamp or loosen glass base 6;

[0047] Metal hose 16: Fixed to the rear end of the upper surface of the workbench 1, used to transport deionized water to the right storage tank 3 to clean the seals after testing.

[0048] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A mechanical seal detection tool, comprising a workbench (1), a U-shaped plate (2) is fixedly installed on the upper surface of the workbench (1), two storage grooves (3) are formed in the upper surface of the workbench (1), characterized in that: A movable plate (4) is slidably mounted on the lower surface of the U-shaped plate (2); The auxiliary mechanism is set on the workbench (1). The auxiliary mechanism includes two trapezoidal plates (5) and a glass base (6). An electric telescopic rod (7) is fixedly installed on the front end of the upper surface of the movable plate (4). The lower end of the electric telescopic rod (7) extends through to the lower end of the movable plate (4). An installation box (8) is fixedly installed on the telescopic end of the electric telescopic rod (7). The lower end of the installation box (8) is open. Two clamping plates (9) are slidably installed on the inner wall of the installation box (8). The two trapezoidal plates (5) are fixedly connected to the lower ends of the adjacent surfaces of the two clamping plates (9). The glass base (6) is placed above the two trapezoidal plates (5). A trapezoidal groove (10) is opened on the glass base (6) corresponding to the positions of the two trapezoidal plates (5). The two trapezoidal plates (5) are slidably inserted into the interior of the two trapezoidal grooves (10).

2. The mechanical seal detection tool of claim 1, wherein: The auxiliary mechanism also includes two plastic plates (11), which are fixedly installed on the outer surfaces of the two trapezoidal plates (5).

3. The mechanical seal detection tool of claim 1, wherein: A threaded rod (12) is rotatably installed on the left and right inner walls of the U-shaped plate (2). The movable plate (4) is threaded onto the outer surface of the threaded rod (12). A first motor (13) is fixedly installed on the right surface of the U-shaped plate (2). The output end of the first motor (13) is fixedly connected to the threaded rod (12).

4. The mechanical seal testing fixture according to claim 1, characterized in that: A bidirectional threaded rod (14) is rotatably mounted on the inner wall of the mounting box (8). Both clamps (9) are threadedly connected to the bidirectional threaded rod (14). A second motor (15) is fixedly mounted on the front surface of the mounting box (8). The output end of the second motor (15) is fixedly connected to the bidirectional threaded rod (14).

5. The mechanical seal testing fixture according to claim 1, characterized in that: A metal flexible tube (16) is fixedly installed at the rear end of the upper surface of the workbench (1).

6. The mechanical seal testing fixture according to claim 1, characterized in that: The upper surface of the glass base (6) has multiple circular holes (17).

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