Pressure test device for seals

Abstract

The present disclosure relates to a pressure test device for a seal, the pressure test device comprising a water pressure container (1) and a cover plate (2), the cover plate (2) being detachably mounted on the water pressure container (1), and a plurality of sealing grooves (17) being arranged on a side of the cover plate (2) facing the water pressure container (1), the plurality of sealing grooves (17) being arranged at intervals along the radial direction of the cover plate (2) and having different diameters, so as to accommodate seals (16) of corresponding diameters. Through the above technical solution, the pressure test device for a seal provided by the present disclosure can be suitable for performing pressure tests on seals of different specifications and models.

Description

Technical Field

[0001] The present disclosure relates to the technical field of mechanical equipment, and in particular to a pressure resistance test device for a sealing component. Background Art

[0002] Seals are widely used in the electromechanical industry to prevent fluids or solid particles from leaking from adjacent mating surfaces and to prevent external impurities such as dust and moisture from invading parts inside machinery and equipment. In actual engineering situations, the operating conditions of seals are very complex (temperature and pressure are not necessarily the same). Different operating conditions have different pressures and / or temperatures, which have different effects on the sealing properties of seals.

[0003] In the related art, the pressure resistance test device of the seal can only test a certain type of seal. However, since the seal itself has many size specifications, different tooling and even different test devices are required for seals of different specifications and models. Summary of the invention

[0004] The purpose of the present disclosure is to provide a pressure test device for sealing components, which is suitable for performing pressure tests on sealing components of different specifications and models.

[0005] In order to achieve the above-mentioned purpose, the present disclosure provides a pressure test device for a seal, the pressure test device comprising a water pressure container and a cover plate, the cover plate being detachably mounted on the water pressure container, and a plurality of sealing grooves being arranged on a side of the cover plate facing the water pressure container, the plurality of sealing grooves being arranged at intervals along the radial direction of the cover plate and having different diameter sizes for accommodating seals of corresponding diameter sizes.

[0006] Optionally, the cover plate is provided with a plurality of first connecting holes along its radial direction, and the water pressure container is provided with a plurality of groups of second connecting holes along its radial direction, the first connecting holes and the second connecting holes are provided correspondingly, and fasteners pass through the first connecting holes and are fastened to the second connecting holes, wherein the pitch circle diameter size of the correspondingly provided first connecting holes and the second connecting holes corresponds to the diameter size of the corresponding sealing groove.

[0007] Optionally, the cover plate includes a main body portion and a connecting flange, the connecting flange extends radially outward along the main body portion and is provided with the first connecting hole, and the water pressure container includes a cavity and a radially outer flange, the radially outer flange extends radially outward along the cavity and is provided with the second connecting hole.

[0008] Optionally, the pressure test device includes a water supply device, which is connected to the water pressure container through a water supply pipe to provide test water to the water pressure container.

[0009] Optionally, a check valve is provided on the water supply pipe.

[0010] Optionally, a heating device is provided in the water supply device for heating the test water.

[0011] Optionally, the pressure test device includes a temperature measuring device and a temperature display device, the temperature measuring device is arranged inside the water pressure container, and the temperature display device is located outside the water pressure container and connected to the temperature measuring device through a first pipeline.

[0012] Optionally, the pressure test device includes a pressure pump, which is connected to the water pressure container through a second pipeline.

[0013] Optionally, the pressure test device further comprises a pressure gauge, and the pressure gauge is connected to the water pressure container via a third pipeline.

[0014] Optionally, the pressure test device further includes a pressure relief protection device, and the pressure relief protection device is connected to the water pressure container through a fourth pipeline.

[0015] Through the above technical scheme, the pressure test device for the seal provided by the present disclosure includes a water pressure container and a cover plate, wherein a plurality of sealing grooves are arranged on the side of the cover plate facing the water pressure container, and the plurality of sealing grooves have different diameter sizes for accommodating seals of corresponding diameter sizes. Through such a design method, the pressure test device for the seal provided by the present disclosure can perform pressure tests on seals of different specifications and sizes without replacing different tooling or pressure test devices, and can realize the pressure test of seals of different specifications and models using the same pressure test device. Among them, the several sealing grooves on the cover plate correspond to a specification of seals respectively, and when performing the pressure test, the seal to be tested is installed therein. In addition, the cover plate arranged with sealing grooves of different diameter sizes can be replaced, thereby realizing the pressure test of seals of multiple or even all specifications and models using the same pressure test device.

[0016] Other features and advantages of the present disclosure will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present disclosure but do not constitute a limitation of the present disclosure. In the accompanying drawings:

[0018] Figure 1 It is a structural schematic diagram of a pressure test device for a seal provided in an embodiment of the present disclosure;

[0019] Figure 2is another structural schematic diagram of the pressure resistance test device of the seal provided in the embodiment of the present disclosure;

[0020] Figure 3 is along Figure 2 Sectional view cut along line AA;

[0021] Figure 4 It is a schematic structural diagram of a cover plate in a pressure test device for a seal provided in an embodiment of the present disclosure.

[0022] Description of Reference Numerals

[0023] 1-water pressure container, 111-second connecting hole, 2-cover plate, 211-first connecting hole, 3-fastener, 4-water supply device, 5-water supply pipeline, 6-check valve, 7-temperature measuring device, 8-temperature display device, 9-first pipeline, 10-pressure pump, 11-second pipeline, 12-pressure gauge, 13-third pipeline, 14-pressure relief protection device, 15-fourth pipeline, 16-seal, 17-sealing groove. DETAILED DESCRIPTION

[0024] The specific implementation of the present disclosure is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the present disclosure, and is not used to limit the present disclosure.

[0025] In the present disclosure, unless otherwise specified, the directional words used, such as "inside" and "outside", are generally "inside" and "outside" relative to the contours of the corresponding components themselves. In addition, the terms "first", "second", "third", "fourth", etc. used in the present disclosure are to distinguish one element from another and do not have order and importance. In addition, in the following description, when referring to the drawings, unless otherwise explained, the same figure numbers in different drawings represent the same or similar elements. The above definitions are only used to explain and illustrate the present disclosure and should not be understood as limitations on the present disclosure.

[0026] According to the specific implementation of the present disclosure, Figures 1 to 4 As shown in the figure, a pressure test device for a seal is provided, the pressure test device includes a water pressure container 1 and a cover plate 2, the cover plate 2 is detachably mounted on the water pressure container 1, and a plurality of sealing grooves 17 are arranged on a side of the cover plate 2 facing the water pressure container 1, the plurality of sealing grooves 17 are arranged at intervals along the radial direction of the cover plate 2 and have different diameter sizes for accommodating seals 16 of corresponding diameter sizes.

[0027] Through the above technical scheme, the pressure test device for the seal provided by the present disclosure includes a water pressure container 1 and a cover plate 2. A plurality of sealing grooves 17 are arranged on the side of the cover plate 2 facing the water pressure container 1. The plurality of sealing grooves 17 have different diameter sizes to accommodate seals 16 of corresponding diameter sizes. Through such a design method, the pressure test device for the seal provided by the present disclosure can perform pressure tests on seals of different specifications and sizes without replacing different tooling or pressure test devices, and can realize the pressure test of seals of different specifications and models using the same pressure test device. Among them, the plurality of sealing grooves 17 on the cover plate 2 respectively correspond to a specification of seals 16, and when performing the pressure test, the seal 16 to be tested is installed therein. In addition, the cover plate 2 arranged with sealing grooves 17 of different diameter sizes can be replaced, thereby realizing the pressure test of seals of multiple or even all specifications and models using the same pressure test device.

[0028] In the specific embodiment provided by the present disclosure, the cover plate 2 is provided with a plurality of first connection holes 211 along its radial direction, and the water pressure container 1 is provided with a plurality of groups of second connection holes 111 along its radial direction, the first connection holes 211 and the second connection holes 111 are provided correspondingly, and the fasteners 3 (such as bolts, screws, etc.) pass through the first connection holes 211 and are fastened to the second connection holes 111, wherein the pitch circle diameter size of the correspondingly provided first connection holes 211 and the second connection holes 111 corresponds to the diameter size of the corresponding sealing groove 17. That is, one sealing groove 17 corresponds to one group of first connection holes 211 and one group of second connection holes 111, and the fasteners 3 pass through the first connection holes 211 and are fastened to the second connection holes 111, so as to press the sealing member 16 corresponding to the diameter size of the sealing groove 17 between the cover plate 2 and the water pressure container 1.

[0029] In the specific embodiments provided in the present disclosure, reference is made to Figure 3 As shown in , in order to facilitate the installation of the cover plate 2 and the water pressure container 1, the cover plate 2 may optionally include a main body and a connecting flange, the connecting flange extends radially outwardly along the main body and is provided with a first connecting hole 211, and the water pressure container 1 may include a cavity and a radially outer flange, the radially outer flange extends radially outwardly along the cavity and is provided with a second connecting hole 111. The radially outer flange of the water pressure container 1 and the connecting flange of the cover plate 2 are connected by a fastener 3, and the fastener 3 may be any suitable fastening member such as a bolt or a screw, and the present disclosure does not specifically limit this.

[0030] In the specific embodiments provided in the present disclosure, reference is made to Figure 1 As shown in , the pressure test device may include a water supply device 4, which is connected to the water pressure container 1 through a water supply pipe 5 to provide test water to the water pressure container 1.

[0031] A check valve 6 may be provided on the water supply pipe 5, and the check valve 6 can prevent the test water entering the water pressure container 1 from flowing back into the water supply device 4, thereby destroying the water pressure balance in the water pressure container 1. The check valve 6 may be constructed in any suitable manner, and the present disclosure does not impose any specific restrictions on this. In addition, the check valve 6 may also be a one-way valve, which allows the test water to flow from the water supply device 4 to the water pressure container 1, while preventing the test water from flowing back from the water pressure container 1 to the water supply device 4.

[0032] In addition, a heating device may be provided in the water supply device 4 for heating the test water. In this case, the water supply device 4 can provide the test water with a temperature of 20°C to 100°C to the water pressure container 1. The test operator can adjust the temperature of the test water by controlling the heating device, thereby adjusting the temperature of the pressure test of the seal 16 to test the influence of the test temperature on the sealing performance of the seal 16.

[0033] In the specific implementation manner provided in the present disclosure, in order to facilitate adjusting the test temperature of the withstand voltage test, reference is made to Figure 1 As shown in , the pressure test device may include a temperature measuring device 7 and a temperature display device 8. The temperature measuring device 7 is arranged inside the water pressure container 1, and the temperature display device 8 is located outside the water pressure container 1 and connected to the temperature measuring device 7 through a first pipeline 9. The temperature inside the water pressure container 1 is measured by the temperature measuring device 7 and the measured temperature is transmitted to the temperature display device 8 through the temperature measuring device 7, so that the effect of real-time temperature display can be achieved. The test operator can selectively adjust the temperature of the test water heated by the heating device through the temperature displayed by the temperature display device 8.

[0034] In the specific embodiments provided in the present disclosure, reference is made to Figure 1 As shown in , the pressure test device may include a pressure pump 10, which is connected to the water pressure container 1 through a second pipeline 11. The pressure inside the water pressure container 1 can be adjusted by the pressure pump 10 to achieve the adjustment of the pressure of the pressure test.

[0035] The pressure test device may further include a pressure gauge 12, which is connected to the water pressure container 1 through a third pipeline 13. The pressure gauge 12 can display the pressure inside the water pressure container 1 in real time, thereby achieving the effect of real-time pressure display.

[0036] In the specific embodiments provided in the present disclosure, reference is made to Figure 1 As shown in , the pressure test device also includes a pressure relief protection device 14, which is connected to the water pressure container 1 through a fourth pipeline 15. The pressure relief protection device 14 is to avoid the danger caused by excessive pressure in the water pressure container 1 and ensure the safety and reliability of the pressure test.

[0037] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings; however, the present disclosure is not limited to the specific details in the above embodiments. Within the technical concept of the present disclosure, a variety of simple modifications can be made to the technical solution of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.

[0038] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.

[0039] In addition, various embodiments of the present disclosure may be arbitrarily combined, and as long as they do not violate the concept of the present disclosure, they should also be regarded as the contents disclosed by the present disclosure.

Claims

1. A pressure test device for a seal, characterized in that: The pressure test device comprises a water pressure container (1) and a cover plate (2), wherein the cover plate (2) is detachably mounted on the water pressure container (1), and a plurality of sealing grooves (17) are arranged on a side of the cover plate (2) facing the water pressure container (1), wherein the plurality of sealing grooves (17) are arranged at intervals along the radial direction of the cover plate (2) and have different diameters for accommodating sealing members (16) of corresponding diameters, and wherein the cover plate (2) is provided with a plurality of first connection holes (211) along its radial direction. ) is provided with a plurality of groups of second connection holes (111) in a radial direction thereof, the cover plate (2) comprises a main body portion and a connection flange, the connection flange extends radially outwardly from the main body portion and is provided with the first connection holes (211), the water pressure container (1) comprises a cavity and a radially outer flange, the radially outer flange extends radially outwardly from the cavity and is provided with the second connection holes (111), and the plurality of first connection holes (211) and the plurality of sealing grooves (17) are alternately arranged in a radial direction of the cover plate (2).

2. The pressure test device for sealing components according to claim 1, characterized in that: The first connection hole (211) and the second connection hole (111) are arranged correspondingly, and the fastener (3) passes through the first connection hole (211) and is fastened to the second connection hole (111), wherein the pitch circle diameter size of the correspondingly arranged first connection hole (211) and the second connection hole (111) corresponds to the diameter size of the corresponding sealing groove (17).

3. The pressure test device for sealing components according to claim 1, characterized in that: The pressure test device comprises a water supply device (4), wherein the water supply device (4) is connected to the water pressure container (1) via a water supply pipe (5) so as to provide test water to the water pressure container (1).

4. The pressure test device for sealing components according to claim 3, characterized in that: A check valve (6) is provided on the water supply pipeline (5).

5. The pressure test device for sealing components according to claim 3, characterized in that: The water supply device (4) is provided with a heating device for heating the test water.

6. The pressure test device for sealing components according to claim 5, characterized in that: The pressure test device comprises a temperature measuring device (7) and a temperature display device (8), wherein the temperature measuring device (7) is arranged inside the water pressure container (1), and the temperature display device (8) is located outside the water pressure container (1) and is connected to the temperature measuring device (7) via a first pipeline (9).

7. The pressure test device for sealing components according to claim 1, characterized in that: The pressure test device comprises a pressure pump (10), which is connected to the water pressure container (1) via a second pipeline (11).

8. The pressure test device for sealing components according to claim 7, characterized in that: The pressure test device further comprises a pressure gauge (12), wherein the pressure gauge (12) is connected to the water pressure container (1) via a third pipeline (13).

9. The pressure test device for a seal according to any one of claims 1 to 8, characterized in that: The pressure test device further comprises a pressure relief protection device (14), wherein the pressure relief protection device (14) is connected to the water pressure container (1) via a fourth pipeline (15).

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