Pump seal leakage detection device

Abstract

The utility model discloses a machine pump seal leakage detection device, which belongs to the technical field of leakage detection, and comprises a detection table, the top of the detection table is provided with an annular groove, and two sides of the top of the detection table are respectively provided with a first chute and a second chute; the bottom of the sealing cover is movably inserted into the annular groove, insertion plates are fixedly mounted on the two sides of the sealing cover, the top of the sealing cover communicates with a detection pipe, and mounting rods are fixedly mounted on the inner walls of the two sides of the detection pipe; and the fixing assembly comprises a two-way screw and two clamping plates capable of getting close to each other, transverse plates are fixedly connected to the sides, away from each other, of the two clamping plates, and first sliding plates are fixedly connected to the sides, away from each other, of the two transverse plates. According to the utility model, through the mutual cooperation of the clamping plate, the transverse plate, the sliding plate, the bidirectional screw rod and the positioning rod, the stable fixing work of the pump can be realized, so that the leakage detection efficiency of the pump is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of leakage detection, in particular to a pump seal leakage detection device. Background Art

[0002] A pump is a fluid machine designed according to the theory of fluid mechanics to transport fluid or increase fluid pressure. A machine that works on liquid is called a pump, and a machine that works on gas is called a fan. Their working principle is to convert the mechanical energy of the prime mover (electric motor, etc.) into the energy of the acted fluid, thereby causing the fluid to generate speed and pressure. Therefore, pumps and fans are both energy-converting fluid machines. Pumps are widely used in life. During the production process of pumps, the pumps need to be tested to ensure that the pumps have good sealing properties and that no gas or liquid leakage occurs during use, thereby ensuring that the pumps have reliable safety during use. However, existing pump detection devices are not able to perform comprehensive sealing tests on pumps.

[0003] The patent document with publication number CN212693173U discloses a machine pump seal leakage detection device, including a detection plate and a connecting ring. A first fixed plate is fixedly installed on the top of one side of the detection plate, a first telescopic rod is fixedly installed on one side of the first fixed plate, and the output end of the first telescopic rod is fixedly connected to a connecting plate.

[0004] In the above technical solution, the machine pump is directly placed on the detection plate, which has a poor fixing effect on the machine pump, and thus easily affects the leakage detection; therefore, we propose a machine pump seal leakage detection device to solve this problem. Utility Model Content

[0005] The purpose of the utility model is to provide a pump seal leakage detection device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A pump seal leakage detection device, comprising:

[0008] A testing platform, wherein an annular groove is formed on the top of the testing platform, and a first slide groove and a second slide groove are formed on both sides of the top of the testing platform;

[0009] A sealing cover, wherein the bottom of the sealing cover is movably inserted into the annular groove, and plug plates are fixedly installed on both sides of the sealing cover, the top of the sealing cover is connected to a detection tube, and mounting rods are fixedly installed on the inner walls of both sides of the detection tube, and the ends of the two mounting rods close to each other are fixedly connected to the same air pressure sensor;

[0010] The fixing assembly comprises a bidirectional screw and two clamping plates that can be approached to each other, the two clamping plates are fixedly connected to a cross plate on the sides away from each other, the two cross plates are fixedly connected to a first slide on the sides away from each other, the two first slides are slidably connected in the corresponding second slide grooves, the two first slides are fixedly connected to a connecting rod on the sides away from each other, the two connecting rods are fixedly connected to a square plate at one end away from each other, the two square plates are slidably connected in the corresponding first slide grooves, and a square hole and a threaded hole are provided on one side of the square plate, the bidirectional screw is rotatably connected to the inside of the testing platform, and the bidirectional screw is threadedly connected to the two threaded holes, and the two plug-in plates are movably plugged into the corresponding plug-in holes.

[0011] Preferably, one end of the bidirectional screw is fixedly connected to a knob, and a plurality of positioning grooves are provided on the outer side of the knob.

[0012] Preferably, a vertical groove is opened on the right side of the detection platform, a vertical plate is slidably installed in the vertical groove, a positioning rod is fixedly connected to the right side of the vertical plate, and the positioning rod is movably engaged in the corresponding positioning groove.

[0013] Preferably, a cross bar and a return spring are fixedly connected to the left inner wall of the vertical groove, the right end of the return spring is fixedly connected to the left side of the vertical plate, and the vertical plate is slidably sleeved on the outer side of the cross bar.

[0014] Preferably, first fixing rods are fixedly installed in the inner walls on both sides of the first sliding groove, and the two square plates are slidably sleeved on the outer sides of the corresponding first fixing rods.

[0015] Preferably, the inner walls on both sides of the second sliding groove are fixedly connected with a same second fixing rod, and the two sliding plates are respectively slidably sleeved on the outer sides of the corresponding second fixing rods.

[0016] Preferably, the outer side of the bidirectional screw is provided with two external threads with opposite rotation directions, the four corners of the bottom of the detection platform are fixedly connected with support legs, and circular holes are opened on both sides of the detection platform, and the bidirectional screw is rotatably connected in the two circular holes.

[0017] In the utility model, the pump seal leakage detection device is described, by pushing the vertical plate to move to the left, driving the positioning rod to move to the left, so that it is separated from the positioning groove, and then rotating the knob to drive the bidirectional screw to rotate, and the bidirectional screw drives the two square plates to move away from each other, so that the two plug-in plates are separated from the square holes, and then the sealing cover is moved upward, and the pump is placed between the two clamping plates on the detection table;

[0018] The utility model discloses a pump seal leakage detection device, which seals the pump by inserting the sealing cover into the annular groove, and controls the reverse rotation of the knob to drive the bidirectional screw to rotate in the reverse direction, and the double screw drives the two square plates to move toward the side close to each other through the thread transmission with the two square plates and under the guidance of the first fixing rod, so that the two square plates are sleeved on the outer sides of the two plug plates to fix the sealing cover, and at the same time, the two square plates respectively drive the two slide plates to move toward the side close to each other through the corresponding connecting rods, and the two slide plates respectively drive the two clamping plates to move toward the side close to each other through the corresponding cross plates, thereby realizing the clamping and fixing of the pump, and then loosening the vertical plate, so that the vertical plate is reset to move to the right under the elastic force of the reset spring, and drives the positioning rod to move to the right and is clamped into the positioning groove to fix the knob, thereby improving the clamping stability of the pump, so as to detect the pressure change in the sealing cover through the air pressure sensor, thereby determining whether there is leakage;

[0019] The utility model has reasonable structural design, and can realize stable fixing of the machine pump through the mutual cooperation among the clamping plate, the horizontal plate, the sliding plate, the bidirectional screw and the positioning rod, thereby ensuring the efficiency of leakage detection thereof. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a three-dimensional structural schematic diagram of a pump seal leakage detection device proposed by the utility model;

[0021] Figure 2 This is a cross-sectional structural schematic diagram of a pump seal leakage detection device proposed by the utility model;

[0022] Figure 3 for Figure 2 A partial enlarged view of part A.

[0023] In the figure: 1. test table; 101. first slide groove; 102. second slide groove; 2. sealing cover; 3. clamping plate; 4. bidirectional screw; 5. knob; 501. positioning groove; 6. plug plate; 7. square plate; 8. test tube; 9. air pressure sensor; 10. slide plate; 11. horizontal plate; 12. connecting rod; 13. vertical plate; 14. reset spring; 15. positioning rod. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Reference Figure 1-3 , a pump seal leakage detection device, comprising:

[0026] The testing platform 1 has an annular groove on the top, and a first slide groove 101 and a second slide groove 102 on both sides of the top of the testing platform 1;

[0027] The sealing cover 2 has a bottom that is movably inserted into the annular groove, and plug plates 6 are fixedly installed on both sides of the sealing cover 2. The top of the sealing cover 2 is connected to a detection tube 8, and mounting rods are fixedly installed on the inner walls of both sides of the detection tube 8. The ends of the two mounting rods that are close to each other are fixedly connected to the same air pressure sensor 9;

[0028] A fixing component, the fixing component includes a bidirectional screw 4 and two clamping plates 3 that can be approached to each other, the two clamping plates 3 are fixedly connected to a horizontal plate 11 on the side away from each other, the two horizontal plates 11 are fixedly connected to a first slide plate 10 on the side away from each other, the two first slide plates 10 are respectively slidably connected in the corresponding second slide groove 102, the two first slide plates 10 are fixedly connected to a connecting rod 12 on the side away from each other, the two connecting rods 12 are fixedly connected to a square plate 7 at one end away from each other, the two square plates 7 are respectively slidably connected in the corresponding first slide groove 101, and a square hole and a threaded hole are opened on one side of the square plate 7, the bidirectional screw 4 is rotatably connected to the inside of the testing table 1, and the bidirectional screw 4 is threadedly connected to the two threaded holes, and the two plug plates 6 are respectively movably plugged into the corresponding plug holes.

[0029] In this embodiment, one end of the bidirectional screw 4 is fixedly connected to a knob 5, and a plurality of positioning grooves 501 are provided on the outer side of the knob 5 to facilitate the control of the rotation of the bidirectional screw 4. A vertical groove is provided on the right side of the testing platform 1, and a vertical plate 13 is slidably installed in the vertical groove. A positioning rod 15 is fixedly connected to the right side of the vertical plate 13, and the positioning rod 15 is movably engaged in the corresponding positioning groove 501 to position the knob 5. A cross bar and a reset spring 14 are fixedly connected to the left inner wall of the vertical groove, and the right end of the reset spring 14 is fixedly connected to the left side of the vertical plate 13 to reset the vertical plate 13, and the vertical plate 13 is slidably sleeved on the outer side of the cross bar to guide the vertical plate 13.

[0030] In this embodiment, a first fixing rod is fixedly installed on the inner walls on both sides of the first slide groove 101, and the two square plates 7 are respectively slidably sleeved on the outer sides of the corresponding first fixing rods to guide the left and right movement of the square plates 7. The same second fixing rod is fixedly connected to the inner walls on both sides of the second slide groove 102, and the two slide plates 10 are respectively slidably sleeved on the outer sides of the corresponding second fixing rods to guide the lateral movement of the slide plates 10.

[0031] In this embodiment, two external threads with opposite rotation directions are provided on the outer side of the bidirectional screw 4, so as to facilitate driving the two square plates 7 closer to each other. Support legs are fixedly connected to the four corners of the bottom of the testing platform 1 to support the testing platform 1, and circular holes are opened on both sides of the testing platform 1. The bidirectional screw 4 is rotatably connected in the two circular holes to rotate and position the bidirectional screw 4.

[0032] In this embodiment, when in use, by pushing the vertical plate 13 to move to the left, the positioning rod 15 is driven to move to the left to disengage from the positioning groove 501, and then the knob 5 is rotated to drive the bidirectional screw 4 to rotate, and the bidirectional screw 4 drives the two square plates 7 to move to the side away from each other, so that the two plug plates 6 are separated from the square holes, and then the sealing cover 2 is moved upward, and the machine pump is placed between the two clamping plates 3 on the inspection table 1, and the machine pump is sealed by inserting the sealing cover 2 into the annular groove, and the knob 5 is controlled to rotate in the opposite direction to drive the bidirectional screw 4 to rotate in the opposite direction, and the double screw drives the two square plates 7 to move to the side close to each other through the thread transmission with the two square plates 7 and under the guidance of the first fixed rod, so that the two square plates 7 is sleeved on the outer sides of the two plug plates 6 to fix the sealing cover 2. At the same time, the two square plates 7 drive the two slide plates 10 to move towards the side close to each other through the corresponding connecting rods 12, and the two slide plates 10 drive the two clamping plates 3 to move towards the side close to each other through the corresponding cross plates 11, so as to realize the clamping and fixing of the machine pump. Then the vertical plate 13 is loosened, so that the vertical plate 13 is reset to the right under the elastic force of the reset spring 14, and drives the positioning rod 15 to move to the right and get into the positioning groove 501 to fix the knob 5, thereby improving the clamping stability of the machine pump, so as to detect the pressure change in the sealing cover 2 through the air pressure sensor 9, so as to determine whether there is a leakage.

[0033] The above is a detailed introduction to a pump seal leakage detection device provided by the utility model. This article uses specific embodiments to explain the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A pump seal leakage detection device, characterized in that: include: A testing platform (1), wherein an annular groove is provided on the top of the testing platform (1), and a first slide groove (101) and a second slide groove (102) are provided on both sides of the top of the testing platform (1); A sealing cover (2), wherein the bottom of the sealing cover (2) is movably inserted into the annular groove, and plug plates (6) are fixedly installed on both sides of the sealing cover (2), the top of the sealing cover (2) is connected to a detection tube (8), and mounting rods are fixedly installed on the inner walls of both sides of the detection tube (8), and the ends of the two mounting rods close to each other are fixedly connected to the same air pressure sensor (9); A fixing assembly, the fixing assembly comprises a bidirectional screw (4) and two clamping plates (3) that can approach each other, the two clamping plates (3) are fixedly connected to a transverse plate (11) on the sides away from each other, the two transverse plates (11) are fixedly connected to a first slide plate (10) on the sides away from each other, the two first slide plates (10) are respectively slidably connected in the corresponding second slide grooves (102), the two first slide plates (10) are fixedly connected to a connecting rod (12) on the sides away from each other, the two connecting rods (12) are fixedly connected to a square plate (7) on the ends away from each other, the two square plates (7) are respectively slidably connected in the corresponding first slide grooves (101), and a square hole and a threaded hole are opened on one side of the square plate (7), the bidirectional screw (4) is rotatably connected to the inside of the detection platform (1), and the bidirectional screw (4) is threadedly connected to the two threaded holes, and the two plug plates (6) are respectively movably plugged into the corresponding plug holes.

2. A pump seal leakage detection device according to claim 1, characterized in that: One end of the bidirectional screw rod (4) is fixedly connected to a knob (5), and a plurality of positioning grooves (501) are formed on the outer side of the knob (5).

3. A pump seal leakage detection device according to claim 2, characterized in that: A vertical groove is provided on the right side of the detection platform (1), a vertical plate (13) is slidably installed in the vertical groove, a positioning rod (15) is fixedly connected to the right side of the vertical plate (13), and the positioning rod (15) is movably engaged in the corresponding positioning groove (501).

4. A pump seal leakage detection device according to claim 3, characterized in that: A crossbar and a return spring (14) are fixedly connected to the left inner wall of the vertical groove, the right end of the return spring (14) is fixedly connected to the left side of the vertical plate (13), and the vertical plate (13) is slidably sleeved on the outer side of the crossbar.

5. The pump seal leakage detection device according to claim 1, characterized in that: First fixing rods are fixedly installed in the inner walls on both sides of the first sliding groove (101), and the two square plates (7) are respectively slidably sleeved on the outer sides of the corresponding first fixing rods.

6. A pump seal leakage detection device according to claim 1, characterized in that: The inner walls on both sides of the second sliding groove (102) are fixedly connected to a same second fixing rod, and the two sliding plates (10) are respectively slidably sleeved on the outer sides of the corresponding second fixing rods.

7. A pump seal leakage detection device according to claim 1, characterized in that: The outer side of the bidirectional screw (4) is provided with two external threads with opposite rotation directions. The four corners of the bottom of the detection platform (1) are fixedly connected to support legs, and circular holes are opened on both sides of the detection platform (1). The bidirectional screw (4) is rotatably connected in the two circular holes.

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