End face sealing detection device for mechanical sealing element

Abstract

The utility model relates to an end face sealing detection device for a mechanical sealing element, which belongs to the technical field of repair and detection of mechanical sealing and comprises a fixing bolt, an upper gland, a first sealing ring, a shell, a spring, a second sealing ring, a pressure test interface, a third sealing ring, a static ring seat and a positioning shaft. The static ring seat is arranged in the middle of the shell, the static ring, the movable ring, the spring and the upper gland are sequentially arranged on the upper portion of the static ring seat, the positioning shaft is arranged in the center of the static ring seat, the shell is connected with the upper gland through the fixing bolt, and the fourth sealing ring is arranged on the shell. And a left pressure test interface of the shell is connected with a pressure test pump through a high-pressure rubber pipe and a quick connector. The device is compact in structure, reasonable in design and convenient to operate, and the labor intensity of post workers is relieved. By detecting the end face of the mechanical sealing piece, the pump maintenance quality is improved, the service life of the pump is prolonged, the production efficiency is improved, and normal production of an oil field is guaranteed.

Description

Technical Field

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

[0002] At present, the use of this type of mechanical seal in various types of mixed pumps in oil fields is gradually increasing, and the original packing seals have basically been eliminated. Due to the characteristics of small leakage, long life, no need for adjustment during operation, small power loss, and wide application range, mechanical seals have been used more and more widely in various types of pumps in various industries. Although the scope of use of mechanical seals is getting wider and wider, their structure is complex and high processing precision is required. It is inconvenient to disassemble and assemble, and mechanical seals are difficult to assemble, requiring certain installation technology, otherwise it is very easy to damage the two sealing surfaces of the mechanical seal. In addition, due to some on-site working conditions, the oil well contains a lot of sand and gas, which causes gravel wear or dry grinding on the dynamic and static rings of the mechanical seal, causing leakage of the mechanical seal. After observation, some of the disassembled mechanical seals can be repaired, and those that cannot be repaired need to be replaced.

[0003] During maintenance, first, the disassembled mechanical seal is scrubbed and cleaned, and the dynamic and static ring sealing surfaces are ground and polished on a mechanical seal grinder; secondly, the repaired mechanical seal is installed on the pump and then subjected to hydraulic oil pressure test. The pressure reaches 0.6MPA and is maintained for 5 minutes. If there is no leakage between the dynamic and static ring sealing surfaces, it is qualified. If leakage occurs, the pump needs to be disassembled again, and the mechanical seal is re-ground, polished, and adjusted, which is labor-intensive for workers.

[0004] The comparison with existing patent technologies is as follows:

[0005] Comparison file 1:

[0006] A production and testing device for mechanical seals, application number: 202020920327.1, the production and testing device for mechanical seals can place the mechanical seal in the installation hole for placement work, and then use the clamp block to position the inner wall of the mechanical seal, so that the center of the mechanical seal can be aligned, which is convenient for the subsequent detection of the wear of the mechanical seal surface. At the same time, the left end of the clamp block is an arc shape when viewed from above, which is convenient for the fitting connection of the inner wall of the mechanical seal. This scheme uses the positioning block to drive the connecting rod to drive the clamp block to squeeze and position the inner wall of the mechanical seal under the push of the elastic force of the connecting spring, which is convenient for fixing the center of the mechanical seal, thereby facilitating the subsequent detection of the mechanical seal by the wear measuring instrument, but it is achieved through the elastic force of the spring, and the fixing stability is not high.

[0007] Comparison document 2:

[0008] A sealing surface detection method for a nuclear main pump mechanical seal, application number: 202311352966.7. The sealing surface detection method for a nuclear main pump mechanical seal disclosed in the present invention measures the liquid film thickness and temperature of the third-stage mechanical seal surface of the nuclear main pump when the nuclear main pump mechanical seal test bench is in working condition. By means of a displacement sensor and a temperature sensor installed on the static ring insert, the displacement change between the static ring insert and the static ring seat (wherein the static ring seat and the static ring are connected as one body) and the temperature change on the upper surface of the static ring seat are measured when the mechanical seal is working, thereby indirectly reflecting the liquid film thickness value and temperature value between the sealing end faces. The test bench and its sealing surface detection method of the present invention are suitable for the research and verification of reliability improvement of the fluid dynamic pressure type mechanical seal of the nuclear main pump, and provide a direct verification means for the design, manufacture, inspection and installation of the mechanical seal of the nuclear main pump; but it is not suitable for the sealing performance detection of mechanical seals of pump equipment in the petroleum industry.

[0009] Comparison file three:

[0010] A mechanical seal detection device, application number: 202120577533.1. In view of the problem that the prior art usually uses water filling to detect the sealing of machinery, and then observes whether there are water drops seeping out from the leakage point, the observation effect is not obvious, and it is not easy to operate and use, the following scheme is proposed, which includes a shell, and a hollow shaft and a first rotating shaft are rotatably installed on the inner walls of both sides of the shell, one end of the first rotating shaft extends to the outside of the shell and is fixedly installed with a handle, and a second rotating shaft is slidably installed on the outer side of the first rotating shaft, and a slide groove is provided on one side of the second rotating shaft, and the first rotating shaft is slidably installed in the slide groove, and one end of the first rotating shaft is fixedly installed with one end of a spring. The utility model uses an air pump to inflate the pipe fitting, and judges whether the pipe fitting has a leak by observing whether bubbles appear on the outside of the pipe fitting. The air pump pressure is low, and the sealing effect of the detection pipe fitting is not good.

[0011] In summary, the prior art still has certain defects in detecting the end face seal of mechanical seals. Therefore, we propose a mechanical seal end face seal detection device. Utility Model Content

[0012] The purpose of the utility model is to provide a mechanical seal end face seal detection device to solve the problems of low pressure test for mechanical seal end faces, high labor intensity for workers, poor stability, and unsuitability for detection of mechanical seals of petroleum pump equipment.

[0013] The above-mentioned purpose of the utility model is achieved through the following technical solutions:

[0014] The utility model discloses a mechanical seal end face seal detection device, comprising: fixing bolts, an upper pressure cover, a first sealing ring, a housing, a spring, a second sealing ring, a pressure test interface, a third sealing ring, a static ring seat, a positioning shaft, a pressure test pump, a dynamic ring, a static ring, a fourth sealing ring, and a control valve; the characteristic is that: a static ring seat is arranged in the middle of the housing, a static ring, a dynamic ring, a spring, and an upper pressure cover are arranged in sequence on the upper part of the static ring seat, a positioning shaft is arranged at the center of the static ring seat, the housing is connected to the upper pressure cover by fixing bolts, a pressure test interface is arranged on the left side of the housing, a control valve is arranged on the pressure test interface, and the control valve is connected to the pressure test pump by a quick connector and a high-pressure hose.

[0015] Furthermore, the fixing bolts are arranged in three to four.

[0016] Furthermore, the upper pressure cover is a three-level stepped circular ring, the diameter of which decreases step by step from bottom to top, the outer diameter of the lower part is the same as the diameter of the dynamic ring, a center hole is provided, and three to four through holes larger than the diameter of the fixing bolts are provided around it.

[0017] Furthermore, the shell is in the shape of a cylinder, and the top surface of the barrel wall is evenly provided with three to four threaded blind holes that cooperate with the fixing bolts, and a pressure test interface is provided on the side.

[0018] Furthermore, a first sealing ring is provided between the edge of the upper pressure cover and the shell, and a second sealing ring is provided between the middle of the upper pressure cover and the dynamic ring.

[0019] Furthermore, a third sealing ring is provided between the stationary ring and the stationary ring seat.

[0020] Furthermore, a fourth sealing ring is provided between the stationary ring seat and the bottom surface of the shell.

[0021] Furthermore, the positioning shaft is a solid cylinder.

[0022] Furthermore, the positioning shaft is a hollow cylinder.

[0023] Furthermore, the pressure test pump is a manual pressure test pump, the pressure test fluid outlet of the manual pressure test pump is provided with a tee, a pressure gauge is provided on the top of the tee, a high-pressure hose is provided at the other end of the tee, and a quick connector is provided at the end of the high-pressure hose.

[0024] Furthermore, the pressure test pump is an electric pressure test pump, the pressure test fluid outlet of the electric pressure test pump is provided with a tee, a pressure gauge is provided on the top of the tee, a copper tube is provided at the other end of the tee, and a quick connector is provided at the end of the copper tube.

[0025] Furthermore, the pressure test pump is filled with a pressure test medium, which is clean water.

[0026] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "left", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0027] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0028] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; it can be directly connected or indirectly connected through an intermediate medium; it can be the internal connection of two components or the interaction relationship between two components. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0029] Compared with the prior art, the utility model has the following beneficial effects:

[0030] 1. The utility model has a compact structure and reasonable design, and is suitable for the detection of mechanical seals of petroleum pump equipment. 2. The utility model improves the maintenance quality, prolongs the service life of the pump, improves production efficiency, and ensures the normal production of the oil field by detecting the end face of the mechanical seal.

[0031] 3. The utility model has high pressure test for testing the end of mechanical seals, is easy to operate, and reduces the labor intensity of workers on the job. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. In addition, the same reference symbols are used to represent the same components throughout the drawings. The drawings are only used to illustrate the preferred embodiments and are not considered to be limitations of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. Through the detailed description of the preferred embodiments, various other advantages and benefits will become clear to ordinary technicians in this field. Other drawings can be obtained based on these drawings without creative work.

[0033] Figure 1 - A schematic diagram of a partial cross-sectional structure of the utility model.

[0034] In the figure: 1. fixing bolt; 2. upper pressure cover, 2-1. center hole; 3. first sealing ring; 4. housing; 5. spring; 6. second sealing ring; 7. pressure test interface; 8. third sealing ring; 9. static ring seat; 10. positioning shaft; 11. pressure test pump, 11-1. pressure gauge, 11-2. high-pressure hose; 11-3. quick connector; 12. dynamic ring; 13. static ring; 14. fourth sealing ring; 15. control valve. DETAILED DESCRIPTION

[0035] In order to further explain the technical means and effects adopted by the utility model to achieve the predetermined utility model purpose, the specific implementation method, structure, features and effects of the utility model are described in detail below in combination with the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "embodiment" does not necessarily refer to the same embodiment. In addition, specific features, structures or characteristics in one or more embodiments may be combined in any suitable form.

[0036] The term "and / or" in this article is merely a description of the association relationship of associated objects, indicating that three relationships may exist, for example, A and / or B. Specifically, it is understood that: A and B may be included at the same time, A may exist alone, or B may exist alone, and any of the above three situations may be met. Embodiment 1

[0037] like Figure 1As shown, a mechanical seal end face seal detection device of the utility model is composed of a fixing bolt 1, an upper gland 2, a first sealing ring 3, a housing 4, a spring 5, a second sealing ring 6, a pressure test interface 7, a third sealing ring 8, a static ring seat 9, a positioning shaft 10, a pressure test pump 11, a dynamic ring 12, a static ring 13, a fourth sealing ring 14, and a control valve 15. A static ring seat 9 is provided in the middle of the housing 4, and a static ring 13, a dynamic ring 12, a spring 5, and an upper gland 2 are provided in sequence on the upper part of the static ring seat 9. A positioning shaft 10 is provided in the center of the static ring seat 9. The housing 4 is connected to the upper gland 2 by a fixing bolt 1, and a pressure test interface 7 is provided on the left side of the housing 4. A control valve 15 is provided on the pressure test interface 7, and the control valve 15 is connected to the pressure test pump 11 through a quick connector 11-3 and a high-pressure hose 11-2.

[0038] Specifically, the fixing bolts 1 are arranged in three numbers.

[0039] Specifically, the upper pressure cover 2 is a three-level stepped ring, the diameter of which decreases step by step from bottom to top, the outer diameter of the lower part is the same as the diameter of the dynamic ring 12, a central hole 2-1 is provided, and three through holes larger than the diameter of the fixing bolts 1 are provided around it.

[0040] Specifically, the housing 4 is in the shape of a cylinder, and three threaded blind holes matching with the fixing bolts 1 are evenly distributed on the top surface of the cylinder wall, and a pressure test interface 7 is provided on the side surface.

[0041] Specifically, a first sealing ring 3 is provided between the edge of the upper pressure cover 2 and the housing 4 , and a second sealing ring 6 is provided between the middle of the upper pressure cover 2 and the dynamic ring 12 .

[0042] Specifically, a third sealing ring 8 is provided between the stationary ring 13 and the stationary ring seat 9 .

[0043] Specifically, a fourth sealing ring 14 is provided between the stationary ring seat 9 and the bottom surface of the housing 4 .

[0044] Specifically, the positioning shaft 10 is a solid cylinder.

[0045] Specifically, the pressure test pump 11 is a manual pressure test pump, the pressure test fluid outlet of the manual pressure test pump is provided with a tee, a pressure gauge 11-1 is provided on the top of the tee, a high-pressure hose 11-2 is provided at the other end of the tee, and a quick connector 11-3 is provided at the end of the high-pressure hose 11-2.

[0046] The above-mentioned mechanical seal end face seal detection device is of type 40-80. First, the inner diameter of the housing 4 is processed according to the outer diameter of the 80-type stationary ring 13. The inner diameter of the housing 4 is 5 mm larger than the outer diameter of the stationary ring 13, which is the pressure test liquid filling space. Secondly, the positioning shaft 10 is processed in the middle with the inner diameter of the 40-type mechanical seal stationary ring 13 to ensure that the positions of the dynamic ring 12 and the stationary ring 13 are not offset under the action of the liquid when pressurized. The fourth sealing ring 14 is placed on the bottom of the stationary ring seat 9, and the third sealing ring 8 is placed on the top. The cleaned stationary ring 13 is placed in the stationary ring seat 9, and the sealing surface of the dynamic ring 12 is fitted with the sealing surface of the stationary ring 13. The first sealing ring 3 is placed on the upper part of the housing 4, and the upper pressure cover 2 is covered, and it is tightened with three fixing bolts 1 to ensure that the liquid does not leak from the first sealing ring 3. When a mechanical seal end face seal detection device is used, first, fill the lower part of the manual pressure test pump 11 with a certain amount of hydraulic oil; secondly, the control valve 15 of the pressure test interface 7 is connected to the manual pressure test pump 11 through the quick connector 11-3 and the high-pressure hose 11-2; thirdly, operate the manual pressure test pump 11 to perform pressure test on the sealing surfaces of the static ring 13 and the dynamic ring 12; fourthly, detect that the test pressure is stable to 4Mpa, wait for 5 minutes without leakage, and meet the use requirements of the pump under working conditions.

[0047] The rated working pressure of the manual pressure test pump 11 is 6 MPa. The pressure change is observed through the outlet pressure gauge 11 - 1 of the manual pressure test pump 11 .

[0048] A series of stationary ring seats 9 are processed according to different models and used for pressure testing of stationary rings 13 of different models. Embodiment 2

[0049] The utility model is a mechanical seal end face seal detection device, wherein the housing 4 is provided with a stationary ring seat 9 in the middle, the upper part of the stationary ring seat 9 is provided with a stationary ring 13, a dynamic ring 12, a spring 5, and an upper gland 2 in sequence, the center of the stationary ring seat 9 is provided with a positioning shaft 10, the housing 4 is connected to the upper gland 2 by a fixing bolt 1, the left side of the housing 4 is provided with a pressure test interface 7, the pressure test interface 7 is provided with a control valve 15, and the control valve 15 is connected to the pressure test pump 11 through a quick connector 11-3 and a high-pressure hose 11-2. Through the use of the high-pressure hose 11-2, the operation is convenient, the pressure resistance is high, and the installation connection distance is easy to adjust.

[0050] Specifically, the fixing bolts 1 are arranged in four numbers.

[0051] Specifically, the upper pressure cover 2 is a three-level stepped ring, the diameter of which decreases step by step from bottom to top, the outer diameter of the lower part is the same as the diameter of the dynamic ring 12, a central hole 2-1 is provided, and four through holes larger than the diameter of the fixing bolts 1 are provided around it.

[0052] Specifically, the housing 4 is in the shape of a cylinder, and four threaded blind holes matching with the fixing bolts 1 are evenly distributed on the top surface of the cylinder wall, and a pressure test interface 7 is provided on the side surface.

[0053] Specifically, the positioning shaft 10 is a hollow cylinder, which is light in weight and saves materials.

[0054] Specifically, the pressure test pump 11 is an electric pressure test pump, the pressure test fluid outlet of the electric pressure test pump is provided with a tee, a pressure gauge 11-1 is provided on the top of the tee, a copper tube is provided at the other end of the tee, a quick connector 11-3 is provided at the end of the copper tube, the copper tube is corrosion-resistant, high pressure-resistant and has a long service life.

[0055] The above-mentioned mechanical seal end face seal detection device is of type 85-120. First, the inner diameter of the housing 4 is processed according to the outer diameter of the 120-type stationary ring 13. The inner diameter of the housing 4 is 5 mm larger than the outer diameter of the stationary ring 13, which is the pressure test liquid filling space. Secondly, the positioning shaft 10 is processed in the middle with the inner diameter of the 85-type mechanical seal stationary ring 13 to ensure that the positions of the dynamic ring 12 and the stationary ring 13 are not offset under the action of the liquid when pressurized. The fourth sealing ring 14 is placed on the bottom of the stationary ring seat 9, and the third sealing ring 8 is placed on the top. The cleaned stationary ring 13 is placed in the stationary ring seat 9, and the sealing surface of the dynamic ring 12 is fitted with the sealing surface of the stationary ring 13. The first sealing ring 3 is placed on the upper part of the housing 4, and the upper pressure cover 2 is covered, and it is tightened with three fixing bolts 1 to ensure that the liquid does not leak from the first sealing ring 3. Connect the control valve 15 of the pressure test interface 7 to the electric pressure test pump 11 through the quick connector 11-3 and the high-pressure hose 11-2, and observe the pressure change through the outlet pressure gauge 11-1 of the electric pressure test pump 11.

[0056] After the mechanical seal has been pressure tested by a mechanical seal end face seal detection device, the test pressure is stabilized to 4Mpa, and there is no leakage after waiting for 5 minutes, which meets the use requirements of the pump under working conditions.

[0057] The parameters of the electric pressure test pump are as follows:

[0058] Model: DSY-60 single-cylinder pressure test pump; rated working voltage: 220V; rated power 250W; rated flow 180L / h; rated working pressure 6Mpa; water tank capacity 25.8L; weight 12.5Kg. Embodiment 3

[0059] The utility model discloses a mechanical seal end face seal detection device, wherein a stationary ring seat 9 is provided in the middle of the housing 4, a stationary ring 13, a dynamic ring 12, a spring 5 and an upper pressure cover 2 are provided in sequence on the upper part of the stationary ring seat 9, a positioning shaft 10 is provided in the center of the stationary ring seat 9, the housing 4 is connected to the upper pressure cover 2 by a fixing bolt 1, a pressure test interface 7 is provided on the left side of the housing 4, a control valve 15 is provided on the pressure test interface 7, and the control valve 15 is connected to the pressure test pump 11 through a quick connector 11-3 and a high-pressure hose 11-2.

[0060] The first sealing ring 3, the second sealing ring 6, the third sealing ring 8 and the fourth sealing ring 14 are all polytetrafluoroethylene sealing gaskets, which are resistant to high temperature, corrosion, high pressure and long service life. Embodiment 4

[0061] The utility model is a mechanical seal end face seal detection device, wherein a stationary ring seat 9 is provided in the middle of the housing 4, a stationary ring 13, a dynamic ring 12, a spring 5, and an upper pressure cover 2 are provided in sequence on the upper portion of the stationary ring seat 9, a positioning shaft 10 is provided in the center of the stationary ring seat 9, the housing 4 is connected to the upper pressure cover 2 by a fixing bolt 1, and a left side pressure test interface 7 of the housing 4 is connected to a pressure test pump 11 by a high-pressure hose 11-2 and a quick connector 11-3.

[0062] The first sealing ring 3, the second sealing ring 6, the third sealing ring 8 and the fourth sealing ring 14 are all copper sealing gaskets, which are resistant to high temperature, corrosion and pressure and have a longer service life.

[0063] After the mechanical seal has been tested by the pressure test device, the test pressure is stabilized to 4Mpa, and there is no leakage after waiting for 5 minutes, which meets the use requirements of the pump under working conditions. Although the preferred embodiments of the utility model have been described above, once the technicians in this field know the basic creative concept, they can make additional changes and modifications to these embodiments. Therefore, the attached claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the utility model.

[0064] Obviously, those skilled in the art can make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A mechanical seal end face seal detection device, comprising: A fixing bolt (1), an upper gland (2), a first sealing ring (3), a housing (4), a spring (5), a second sealing ring (6), a pressure test interface (7), a third sealing ring (8), a stationary ring seat (9), a positioning shaft (10), a pressure test pump (11), a moving ring (12), a stationary ring (13), a fourth sealing ring (14), and a control valve (15); characterized in that a stationary ring seat (9) is provided in the middle of the housing (4), a stationary ring (13), a moving ring (12), a spring (5), and an upper gland (2) are provided on the upper part of the stationary ring seat (9) in sequence, a positioning shaft (10) is provided at the center of the stationary ring seat (9), the housing (4) and the upper gland (2) are connected by fixing bolts (1), a pressure test interface (7) is provided on the left side of the housing (4), a control valve (15) is provided on the pressure test interface (7), and the control valve (15) is connected to the pressure test pump (11) by a quick connector (11-3) and a high-pressure hose (11-2).

2. A mechanical seal end face seal detection device according to claim 1, characterized in that: The fixing bolts (1) are arranged in three to four configurations.

3. The mechanical seal end face seal detection device according to claim 1, characterized in that: The upper gland (2) is a three-stage stepped circular ring, the diameter of which decreases step by step from bottom to top, the outer diameter of the lower part is the same as the diameter of the moving ring (12), a central hole (2-1) is provided, and three to four through holes larger than the diameter of the fixing bolts (1) are provided around the periphery.

4. The mechanical seal end face seal detection device according to claim 1, characterized in that: The housing (4) is in the shape of a cylinder, and the top surface of the cylinder wall is evenly provided with three to four threaded blind holes that cooperate with the fixing bolts (1), and the side surface is provided with a pressure test interface (7).

5. The mechanical seal end face seal detection device according to claim 1, characterized in that: A first sealing ring (3) is provided between the edge of the upper pressure cover (2) and the housing (4), and a second sealing ring (6) is provided between the middle of the upper pressure cover (2) and the dynamic ring (12).

6. The mechanical seal end face seal detection device according to claim 1, characterized in that: A third sealing ring (8) is provided between the stationary ring (13) and the stationary ring seat (9).

7. The mechanical seal end face seal detection device according to claim 1, characterized in that: A fourth sealing ring (14) is provided between the stationary ring seat (9) and the bottom surface of the housing (4).

8. The mechanical seal end face seal detection device according to claim 1, characterized in that: The positioning shaft (10) is a solid cylinder.

9. The mechanical seal end face seal detection device according to claim 1, characterized in that: The positioning shaft (10) is a hollow cylinder.

10. The mechanical seal end face seal detection device according to claim 1, characterized in that: The pressure test pump (11) is a manual pressure test pump. The pressure test fluid outlet of the manual pressure test pump is provided with a tee. A pressure gauge (11-1) is provided on the top of the tee. A high-pressure hose (11-2) is provided at the other end of the tee. A quick connector (11-3) is provided at the end of the high-pressure hose (11-2).

11. The mechanical seal end face seal detection device according to claim 1, characterized in that: The pressure test pump (11) is an electric pressure test pump. The pressure test fluid outlet of the electric pressure test pump is provided with a tee. A pressure gauge (11-1) is provided on the top of the tee. A copper tube is provided at the other end of the tee. A quick connector (11-3) is provided at the end of the copper tube.

12. The mechanical seal end face seal detection device according to claim 1, characterized in that: The pressure test pump (11) is filled with a pressure test medium, which is clean water.

Images