Mechanical seal constant pressure testing device

Abstract

The utility model relates to the technical field of sealing test equipment, and provides a mechanical sealing constant pressure test device which comprises a main body, a mounting rack is fixedly arranged around the upper surface of the main body, positioning mechanisms are symmetrically arranged at one end of the inner wall of the mounting rack, each positioning mechanism comprises a second mounting groove, and the second mounting grooves are symmetrically formed in one end of the inner wall of the mounting rack. According to the utility model, through the arrangement of the positioning mechanism, when the mechanical sealing element moves to the surface of the detection table, the output end of the second motor drives the first rotating shaft, the second screw rod and the first bevel gear to rotate through the second rotating shaft and the synchronous belt, so that the mechanical sealing element can be detected; the first bevel gear drives the positioning rods to oppositely deflect through the second bevel gear and the rotating shaft, so that the outer surface of the mechanical sealing element is limited, the mechanical sealing element is located at the testing center position of the detection table, deviation and dislocation of parts are avoided, and the practicability and the testing result of the device are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sealing test equipment technical field especially relates to a mechanical seal constant pressure testing device. BACKGROUND

[0002] Mechanical seal constant pressure test usually refers to the test process that constant pressure is applied to mechanical seal within a certain time, and then whether the seal will leak is monitored. This test can help evaluate the sealing performance of mechanical seal to ensure that it can effectively seal and withstand the required pressure in actual work.

[0003] As the publication number CN221527897U discloses a kind of mechanical seal constant pressure testing device, belong to sealing test technical field, including test device ontology and the placement platform being set in test device ontology, still include guiding assembly, pusher assembly, positioning assembly and reset component, guiding assembly is set in test device ontology and is matched with placement platform, the top of guiding assembly is provided with mechanical seal, corresponding mechanical seal is provided with pusher assembly in the rear end of guiding assembly, guiding assembly is also provided with positioning assembly and reset component, and positioning assembly and reset component are connected.The utility model structural design is reasonable, not only can automatically load mechanical seal, improve loading precision, guarantee test precision, but also can reduce the working strength of staff, improve work efficiency, have strong practicality.

[0004] But in prior art, mechanical seal is usually placed in detection port for constant pressure sealing detection, and the conventional test device cannot accurately position mechanical seal when testing mechanical seal, mechanical seal is prone to deviation and misplacement, which affects test results, thereby limiting the practicality of the device to a certain extent. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the problem that conventional test device in prior art cannot accurately position mechanical seal when testing mechanical seal, mechanical seal is prone to deviation and misplacement, which affects test results.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a mechanical seal constant pressure testing device, including the main part, the upper surface of the main part is fixed with the mounting bracket around, the one end of the inner wall of mounting bracket is provided with the positioning mechanism, the positioning mechanism includes the second installation slot, the second installation slot is opened in the one end of the inner wall of mounting bracket, the inner chamber of second installation slot is provided with the pivot that rotates in the symmetry, the surface of pivot is fixed with the locating rod, the bottom of pivot is provided with the second bevel gear of transmission, the inner chamber of main part is provided with the U type slot, the inner chamber of U type slot is provided with the second screw rod of transmission, the surface of second screw rod is provided with the first bevel gear of transmission symmetry, the one end of first bevel gear near the surface of second screw rod is provided with the first pivot of transmission, the outer lateral wall of main part is fixed with second motor, the output of second motor is provided with the second pivot of transmission, the second pivot is connected through synchronous belt transmission between first pivot, the one side of main part upper surface is provided with detection platform, the other side of main part upper surface is provided with conveying belt.

[0007] As a preferred implementation, the other end of the inner side of the mounting bracket is symmetrically provided with a first installation slot, the inner cavity of one side of the first installation slot is provided with a first screw rod, and the inner cavity of the other side of the first installation slot is fixedly provided with a first guide rod. The outer lateral wall of the mounting bracket is fixedly provided with a first motor, and the output end of the first motor is in transmission connection with one end outside the first screw rod.

[0008] As a preferred implementation, the surface of the first screw rod is provided with a moving plate, and the other end of the moving plate is in sliding connection with the first guide rod. The surface of the moving plate is provided with a pushing mechanism.

[0009] As a preferred implementation, the pushing mechanism includes a screw rod, which is threadedly arranged at the center of the inner cavity of the moving plate. The end of the screw rod is provided with a push plate in transmission. The outer surface of the push plate is symmetrically fixedly provided with a second guide rod on both sides, and the second guide rod is in through sliding connection with the moving plate.

[0010] As a preferred implementation, the upper surface of the mounting bracket is fixedly provided with a connecting frame, and the upper surface center of the connecting frame is fixedly provided with an air pump.

[0011] As a preferred implementation, the lower surface of the connecting frame is symmetrically fixedly provided with a limiting electric push rod, and the output end of the limiting electric push rod is provided with a pressing plate in transmission.

[0012] As a preferred implementation, the output end of the air pump is fixedly provided with a telescopic rod, and the bottom end of the telescopic rod is fixedly connected with the upper surface of the pressing plate. The lower surface center of the pressing plate is fixedly provided with an exhaust hole.

[0013] Compared with the prior art, the mechanical seal constant pressure testing device has the advantages and positive effects that

[0014] The utility model discloses a positioning mechanism is set up, when mechanical seal moves to the surface of detection platform, the output of second motor passes through second rotating shaft, synchronous belt drive first rotating shaft, second screw rod, first bevel gear rotates, and first bevel gear passes through second bevel gear, rotating shaft and drives the opposite deflection of positioning rod, and then the outer surface of mechanical seal is limited, makes mechanical seal be located detection platform test center position, avoids the deviation misplacement of spare part, improves the practicality of device and the accuracy of test result.

[0015] The utility model discloses a pushing and extruding mechanism is set up, when mechanical seal moves to the side of detection platform along with the transmission of transmission belt, by screwing the screw rod, and the screw rod is threaded in the movable plate rotation and drives the push board to move to one side, and the push board drives the second guide rod along the inner chamber of movable plate and slides, and along with the output of first motor and drives first screw rod rotation, and first screw rod drives movable plate along first guide rod and moves horizontally, thereby through movable plate and drive push board and push and extrude mechanical seal, and push mechanical seal to the surface of detection platform, and after test is completed, movable plate drives push board and removes mechanical seal from the surface of detection platform, convenient to use, improves test efficiency. DRAWINGS

[0016] Figure 1 It is a kind of mechanical seal constant pressure testing device's three-dimensional structure schematic diagram provided by the utility model;

[0017] Figure 2 It is a kind of mechanical seal constant pressure testing device's three-dimensional structure schematic diagram provided by the utility model;

[0018] Figure 3 It is a kind of mechanical seal constant pressure testing device's three-dimensional structure schematic diagram provided by the utility model;

[0019] Figure 4 It is a kind of mechanical seal constant pressure testing device's three-dimensional structure schematic diagram provided by the utility model;

[0020] Figure 5 It is a kind of mechanical seal constant pressure testing device's three-dimensional structure schematic diagram provided by the utility model; Figure 4 It is a kind of mechanical seal constant pressure testing device's three-dimensional structure schematic diagram provided by the utility model;

[0021] Legend:

[0022] 1, the main body; 2, mounting frame; 3, detection table; 4, conveying belt; 5, first mounting slot; 6, first lead screw; 7, first guide rod; 8, moving plate; 9, screw; 10, push plate; 11, second guide rod; 12, first motor; 13, U-shaped groove; 14, second lead screw; 15, first bevel gear; 16, first rotating shaft; 17, second motor; 18, second rotating shaft; 19, synchronous belt; 20, second bevel gear; 21, positioning rod; 22, second mounting slot; 23, connecting frame; 24, air pump; 25, telescopic rod; 26, pressing plate; 27, exhaust hole; 28, limit electric push rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Please refer to Figures 1-5 The utility model provides a technical scheme: a mechanical seal constant pressure testing device, including main body 1, the upper surface of main body 1 is fixedly arranged with mounting frame 2 around, the one end of mounting frame 2 inner wall is symmetrically arranged with positioning mechanism, positioning mechanism includes second mounting slot 22, second mounting slot 22 is symmetrically opened in the one end of mounting frame 2 inner wall, the inner chamber of second mounting slot 22 is symmetrically arranged with rotating shaft, the surface of rotating shaft is fixedly arranged with positioning rod 21, the bottom end of rotating shaft is drivenly arranged with second bevel gear 20, the inner chamber of main body 1 is opened with U-shaped groove 13, the inner chamber of U-shaped groove 13 is drivenly arranged with second lead screw 14, the surface of second lead screw 14 is drivenly arranged with first bevel gear 15 symmetrically, the one end of second lead screw 14 surface is drivenly arranged with first rotating shaft 16 close to first bevel gear 15, the outer side wall of main body 1 is fixedly arranged with second motor 17, the output end of second motor 17 is drivenly arranged with second rotating shaft 18, second rotating shaft 18 and first rotating shaft 16 are connected through synchronous belt 19, one side of the upper surface of main body 1 is opened with detection table 3, the other side of the upper surface of main body 1 is arranged with conveying belt 4, when mechanical seal moves to the surface of detection table 3, the output end of second motor 17 drives first rotating shaft 16, second lead screw 14, first bevel gear 15 to rotate through second rotating shaft 18, synchronous belt 19, first bevel gear 15 drives positioning rod 21 to deflect towards each other through second bevel gear 20, rotating shaft, and then limits the outer surface of mechanical seal, makes mechanical seal be located in the detection center position of detection table 3, avoids the deviation misplacement of spare part.

[0025] As Figures 1-5As shown, the other end of the inside of the mounting frame 2 is symmetrically provided with a first mounting slot 5, the inner cavity of the first mounting slot 5 on one side is drivingly provided with a first lead screw 6, and the inner cavity of the first mounting slot 5 on the other side is fixedly provided with a first guide rod 7. The outer side wall of the mounting frame 2 is fixedly provided with a first motor 12, and the output end of the first motor 12 is drivingly connected to one end of the outer side of the first lead screw 6. The surface of the first lead screw 6 is drivingly provided with a moving plate 8, and the other end of the moving plate 8 is slidingly connected to the first guide rod 7. The surface of the moving plate 8 is provided with a pushing mechanism, and the pushing mechanism comprises a screw rod 9 which is threadedly arranged at the center of the inner cavity of the moving plate 8. The end of the screw rod 9 is drivingly provided with a push plate 10, and the outer surface of the push plate 10 is symmetrically fixedly provided with a second guide rod 11 on both sides, and the second guide rod 11 is slidingly connected to the moving plate 8. When the mechanical seal moves to one side of the detection table 3 along with the transmission of the transmission belt 4, the screw rod 9 is threadedly rotated in the moving plate 8 to drive the push plate 10 to move to one side, the push plate 10 drives the second guide rod 11 to slide in the inner cavity of the moving plate 8, and the output end of the first motor 12 drives the first lead screw 6 to rotate, the first lead screw 6 drives the moving plate 8 to move horizontally along the first guide rod 7, so that the push plate 10 is driven by the moving plate 8 to push the mechanical seal, and the mechanical seal is pushed to the surface of the detection table 3. After the test is completed, the moving plate 8 drives the push plate 10 to continuously move to push the mechanical seal out of the surface of the detection table 3. The use is convenient, and the test efficiency is improved.

[0026] As shown in the figure, Figures 1-5 The upper surface of the mounting frame 2 is fixedly provided with a connecting frame 23, the upper surface of the connecting frame 23 is fixedly provided with an air pump 24 at the center, the lower surface of the connecting frame 23 is symmetrically fixedly provided with a limiting electric push rod 28 on both sides, the output end of the limiting electric push rod 28 is drivingly provided with a pressing plate 26, the output end of the air pump 24 is fixedly provided with an extension rod 25, and the bottom end of the extension rod 25 is fixedly connected to the upper surface of the pressing plate 26. The center of the lower surface of the pressing plate 26 is fixedly provided with an exhaust hole 27. The limiting electric push rod 28 drives the pressing plate 26 and the exhaust hole 27 to move downward, so that the exhaust hole 27 is located in the inner cavity of the mechanical seal, and the pressing plate 26 abuts against the upper surface of the mechanical seal. The air pump 24 pressurizes the inside of the mechanical seal with inert gas to perform constant pressure test through the extension rod 25, the pressing plate 26 and the exhaust hole 27. The use is convenient and fast.

[0027] Working principle: in use, first, the mechanical seal is placed on the surface of the transmission belt 4, and as the transmission belt 4 drives the mechanical seal to move to one side of the detection table 3, when the transmission belt 4 drives the mechanical seal to move to the leftmost position of the transmission belt 4, by twisting the screw rod 9, the screw rod 9 is screwed in the moving plate 8 to drive the push plate 10 to move to one side, the push plate 10 drives the second guide rod 11 to slide along the inner cavity of the moving plate 8, and as the output end of the first motor 12 drives the first lead screw 6 to rotate, the first lead screw 6 drives the moving plate 8 to move horizontally along the first guide rod 7, so that the moving plate 8 drives the push plate 10 to push and extrude the mechanical seal, and the mechanical seal is pushed to the surface of the detection table 3, when the mechanical seal moves to the surface of the detection table 3, the output end of the second motor 17 drives the first rotating shaft 16, the second lead screw 14 and the first bevel gear 15 to rotate through the second rotating shaft 18 and the synchronous belt 19, the first bevel gear 15 drives the positioning rod 21 to deflect towards each other through the second bevel gear 20 and the rotating shaft, thereby limiting the outer surface of the mechanical seal, so that the mechanical seal is located at the test center position of the detection table 3, avoiding the displacement of the parts, and then the limit electric push rod 28 drives the pressing plate 26 and the exhaust hole 27 to move downward, so that the exhaust hole 27 is located in the inner cavity of the mechanical seal, the pressing plate 26 abuts against the upper surface of the mechanical seal, and the air pump 24 performs constant pressure test on the internal inert gas of the mechanical seal through the telescopic rod 25, the pressing plate 26 and the exhaust hole 27, after the test is completed, the moving plate 8 drives the push plate 10 to continuously move to push the mechanical seal out of the surface of the detection table 3, which is convenient to use, improves the test efficiency, has simple structure, is convenient to operate, and is suitable for large-scale popularization.

[0028] The above is only a preferred embodiment of the present application, and does not limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A mechanical seal constant pressure testing device comprising a main body (1), characterized in that: The upper surface of the body (1) is fixedly provided with a mounting rack (2), one end of the inner wall of the mounting rack (2) is symmetrically provided with a positioning mechanism, the positioning mechanism comprises a second mounting groove (22), the second mounting groove (22) is symmetrically opened in one end of the inner wall of the mounting rack (2), a rotating shaft is symmetrically arranged in the inner cavity of the second mounting groove (22), a positioning rod (21) is fixedly arranged on the surface of the rotating shaft, a second bevel gear (20) is drivingly arranged at the bottom end of the rotating shaft, a U-shaped groove (13) is opened in the inner cavity of the body (1), a second lead screw (14) is drivingly arranged in the inner cavity of the U-shaped groove (13), a first bevel gear (15) is symmetrically drivingly arranged on the surface of the second lead screw (14), a first rotating shaft (16) is drivingly arranged at one end of the second lead screw (14) close to the first bevel gear (15), a second motor (17) is fixedly arranged on the outer side wall of the body (1), a second rotating shaft (18) is drivingly arranged on the output end of the second motor (17), the second rotating shaft (18) and the first rotating shaft (16) are drivingly connected through a synchronous belt (19), a detection table (3) is opened on one side of the upper surface of the body (1), and a conveying belt (4) is arranged on the other side of the upper surface of the body (1).

2. The mechanical seal constant pressure testing device according to claim 1, characterized in that: The other end of the inner side of the mounting rack (2) is symmetrically provided with a first mounting groove (5), the inner cavity of one side of the first mounting groove (5) is drivingly provided with a first lead screw (6), and the inner cavity of the other side of the first mounting groove (5) is fixedly provided with a first guide rod (7). The outer side wall of the mounting rack (2) is fixedly provided with a first motor (12), and the output end of the first motor (12) is drivingly connected with one end of the outer side of the first lead screw (6).

3. The mechanical seal constant pressure testing device of claim 2, wherein: The surface of the first lead screw (6) is drivingly provided with a moving plate (8), and the other end of the moving plate (8) is slidingly connected with the first guide rod (7). The surface of the moving plate (8) is provided with a pushing mechanism.

4. The mechanical seal constant pressure testing device of claim 3, wherein: The pushing mechanism comprises a screw rod (9), the screw rod (9) is threadedly arranged at the center of the inner cavity of the moving plate (8), the end of the screw rod (9) is drivingly provided with a push plate (10), the outer surface of the push plate (10) is symmetrically fixedly provided with a second guide rod (11), and the second guide rod (11) is slidingly connected with the moving plate (8).

5. The mechanical seal constant pressure testing device of claim 1, wherein: The upper surface of the mounting rack (2) is fixedly provided with a connecting rack (23), and the upper surface of the connecting rack (23) is fixedly provided with an air pump (24) at the center.

6. The mechanical seal constant pressure testing device of claim 5, wherein: The lower surface of the connecting rack (23) is symmetrically fixedly provided with a limiting electric push rod (28), and the output end of the limiting electric push rod (28) is drivingly provided with a pressing plate (26).

7. The mechanical seal constant pressure testing device of claim 5, wherein: The output end of the air pump (24) is fixedly provided with a telescopic rod (25), and the bottom end of the telescopic rod (25) is fixedly connected with the upper surface of the pressing plate (26). The lower surface of the pressing plate (26) is fixedly provided with an exhaust hole (27) at the center.

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