Multi-specification valve one-time pressing test device

Abstract

A multi-specification valve one-time pressing test device is characterized in that one end of a main mother pipeline is blocked, and the other end of the main mother pipeline is connected with a first interface of a three-way joint; the pressurizing pump interface is connected to the side part of the main mother pipeline and is used for providing a pressure source for the main mother pipeline; the water supplementing pipeline is connected to the side part of the main mother pipeline and is used for supplementing water to the main mother pipeline; the exhaust pipeline is connected to the side part of the main mother pipeline and is used for exhausting the main mother pipeline; the pressure relief pipeline is connected to the side portion of the main mother pipeline and used for pressure relief of the main mother pipeline. The high-pressure pipeline is connected with a second connector of the three-way connector; a plurality of branch pipelines are led out of the side portion of the high-pressure pipeline and the side portion of the low-pressure pipeline, and each branch pipeline is connected with a valve connector of a specified type. According to the utility model, the equipment cost for testing the valve is reduced; batch valve testing is achieved, and the testing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a one-time pressure testing device for valves of multiple specifications, belonging to the technical field of valve testing. Background Art

[0002] At present, in the industrial production process, valves are key components for controlling fluid flow, and their performance is directly related to the safe and stable operation of the entire system. Therefore, it is a vital step to perform pressure testing on valves to verify their performance and pressure resistance.

[0003] However, existing pressure testing equipment usually only tests valves of a single specification and model one by one, and cannot meet the testing needs of valves of multiple specifications. This makes the valve pressure testing process cumbersome and inefficient, and requires a separate test device for each specification of valve, which increases costs and space. Utility Model Content

[0004] The utility model aims to improve the deficiencies in the prior art and provides a one-time pressure test device for valves of multiple specifications, which can adapt to valves of different specifications and types and solve the problems that the traditional technology requires a separate test device for each specification of valve, resulting in low test efficiency, high cost and large space occupation.

[0005] The utility model solves the above technical problems with the following technical solutions: a multi-specification valve one-time pressure test device, including a main main pipe, a pressure pump interface, a water supply pipe, an exhaust pipe, a pressure relief pipe, a three-way joint, a high-pressure pipe, a low-pressure pipe and a valve interface;

[0006] One end of the main main pipe pipeline is blocked, and the other end of the main main pipe pipeline is connected to the first interface of the three-way joint; the pressure pump interface is connected to the side of the main main pipe pipeline, and the pressure pump interface is used to provide a pressure source to the main main pipe pipeline; the water supply pipeline is connected to the side of the main main pipe pipeline, and the water supply pipeline is used to supply water to the main main pipe pipeline; the exhaust pipeline is connected to the side of the main main pipe pipeline, and the exhaust pipeline is used to exhaust the main main pipe pipeline; the pressure relief pipeline is connected to the side of the main main pipe pipeline, and the pressure relief pipeline is used to relieve pressure on the main main pipe pipeline;

[0007] The high-pressure pipeline is connected to the second interface of the three-way joint, and the low-pressure pipeline is connected to the third interface of the three-way joint; a number of branch pipelines are led out from the side of the high-pressure pipeline and the side of the low-pressure pipeline, and each branch pipeline is connected to the valve interface of a specified type.

[0008] As a preferred solution for the one-time pressure test device for valves of multiple specifications, a water supply port is formed at the end of the water supply pipe, and the water supply pipe is connected to a first needle valve; the exhaust pipe is connected to a second needle valve.

[0009] As a preferred solution for a one-time pressure test device for valves of multiple specifications, the pressure relief pipeline is connected with a high-pressure pressure relief valve, and the high-pressure pressure relief valve is used for pressure relief protection of the pressure relief pipeline.

[0010] As a preferred solution for a one-time pressure test device for multi-specification valves, the high-pressure pipeline is connected with a high-pressure cut-off valve and a high-pressure pressure gauge, the high-pressure cut-off valve is used for high-pressure cut-off of the high-pressure pipeline, and the high-pressure pressure gauge is used for displaying the pressure of the high-pressure pipeline;

[0011] The low-pressure pipeline is connected with a low-pressure cut-off valve and a low-pressure pressure gauge. The low-pressure cut-off valve is used for low-pressure cut-off of the low-pressure pipeline, and the low-pressure pressure gauge is used for displaying the pressure of the low-pressure pipeline.

[0012] As a preferred solution of the one-time pressure test device for valves of multiple specifications, the high-pressure pipeline is provided with a first elbow joint, and the first elbow joint makes the high-pressure pipeline bend at 90 degrees.

[0013] As a preferred solution for the one-time pressure test device for valves of multiple specifications, the low-pressure pipeline is provided with a second elbow joint; the second elbow joint makes the low-pressure pipeline bend at 90 degrees.

[0014] As a preferred solution for a one-time pressure test device for valves of multiple specifications, the valve interface of the specified type is a copy forest joint.

[0015] As a preferred solution for the one-time pressure test device for valves of multiple specifications, the valve interface of the specified type is a concentric reducer interface.

[0016] As a preferred solution for the one-time pressure test device for valves of multiple specifications, the valve interface of the specified type is a flange interface.

[0017] As a preferred solution for the one-time pressure test device for valves of multiple specifications, it also includes a plurality of plugs, which are used to seal the valve interfaces.

[0018] The beneficial effects of the utility model are as follows: a main mother pipe pipeline, a pressure pump interface, a water supply pipe, an exhaust pipe, a pressure relief pipe, a three-way joint, a high-pressure pipe, a low-pressure pipe and a valve interface are provided; one end of the main mother pipe pipeline is blocked, and the other end of the main mother pipe pipeline is connected to the first interface of the three-way joint; the pressure pump interface is connected to the side of the main mother pipe pipeline, and the pressure pump interface is used to provide a pressure source to the main mother pipe pipeline; the water supply pipe is connected to the side of the main mother pipe pipeline, and the water supply pipe is used to supply water to the main mother pipe pipeline; the exhaust pipe is connected to the side of the main mother pipe pipeline, and the exhaust pipe is used to exhaust the main mother pipe pipeline; the pressure relief pipe is connected to the side of the main mother pipe pipeline, and the pressure relief pipe is used to relieve the pressure of the main mother pipe pipeline; the high-pressure pipe is connected to the second interface of the three-way joint, and the low-pressure pipe is connected to the third interface of the three-way joint; a number of branch pipes are led out from the side of the high-pressure pipe and the side of the low-pressure pipe, and each branch pipe is connected to a valve interface of a specified type. The utility model improves the testing efficiency of valves and reduces the equipment cost of testing valves; it can realize the testing of high-pressure valves and low-pressure valves, can meet the testing of valves of different pressure levels, and meet the pressure testing requirements of valves of different types, specifications and models, greatly reducing costs, realizing batch valve testing, and improving testing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0020] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0021] Figure 1 This is a schematic diagram of the overall structure of a one-time pressure test device for valves of multiple specifications provided in an embodiment of the utility model;

[0022] Figure 2 It is a schematic diagram of the peripheral structure of the main main pipe of the multi-specification valve one-time pressure test device provided in the embodiment of the utility model;

[0023] Figure 3 It is a schematic diagram of the application of the valve interface of the one-time pressure test device for valves of multiple specifications provided in the embodiment of the utility model.

[0024] In the figure, 1. main mother pipe; 2. pressure pump interface; 3. water supply pipe; 4. exhaust pipe; 5. pressure relief pipe; 6. three-way joint; 7. high-pressure pipe; 8. low-pressure pipe; 9. valve interface; 10. branch pipe; 11. first needle valve; 12. second needle valve; 13. high-pressure relief valve; 14. high-pressure shut-off valve; 15. high-pressure pressure gauge; 16. low-pressure shut-off valve; 17. low-pressure pressure gauge; 18. first elbow joint; 19. second elbow joint; 20. plug. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0027] See also Figure 1 , Figure 2 and Figure 3 The embodiment of the utility model provides a multi-specification valve one-time pressure test device, including a main main pipe 1, a pressure pump interface 2, a water supply pipe 3, an exhaust pipe 4, a pressure relief pipe 5, a three-way joint 6, a high-pressure pipe 7, a low-pressure pipe 8 and a valve interface 9;

[0028] Among them, one end of the main mother pipe pipeline 1 is blocked, and the other end of the main mother pipe pipeline 1 is connected to the first interface of the three-way joint 6; the pressure pump interface 2 is connected to the side of the main mother pipe pipeline 1, and the pressure pump interface 2 is used to provide a pressure source to the main mother pipe pipeline 1; the water supply pipeline 3 is connected to the side of the main mother pipe pipeline 1, and the water supply pipeline 3 is used to supply water to the main mother pipe pipeline 1; the exhaust pipeline 4 is connected to the side of the main mother pipe pipeline 1, and the exhaust pipeline 4 is used to exhaust the main mother pipe pipeline 1; the pressure relief pipeline 5 is connected to the side of the main mother pipe pipeline 1, and the pressure relief pipeline 5 is used to relieve pressure in the main mother pipe pipeline 1;

[0029] Among them, the high-pressure pipeline 7 is connected to the second interface of the three-way joint 6, and the low-pressure pipeline 8 is connected to the third interface of the three-way joint 6; a number of branch pipelines 10 are led out from the side of the high-pressure pipeline 7 and the side of the low-pressure pipeline 8, and each branch pipeline 10 is connected to a valve interface 9 of a specified type.

[0030] In this embodiment, a water supply port is formed at the end of the water supply pipe 3 , and the water supply pipe 3 is connected to a first needle valve 11 ; the exhaust pipe 4 is connected to a second needle valve 12 .

[0031] Specifically, before the device is operated, the water supply port of the water supply pipe 3 is first used to supply water to the main mother pipe 1, the high-pressure pipe 7, and the low-pressure pipe 8. When the entire pipe is full of water, the first needle valve 11 at the root can be closed, so that the pressure can be increased quickly and the pressure pump inlet can be prevented from being pressed for too long.

[0032] Among them, an exhaust pipe 4 is arranged at the rear side of the water supply port of the water supply pipe 3. Before the normal operation of the device, the second needle valve 12 under the exhaust pipe 4 is opened. When water is discharged from the exhaust pipe 4 during the pressurization process, it means that the entire pipe is full. The second needle valve 12 can be closed to avoid the presence of gas in the pipeline during the valve pressurization process, which affects the test results.

[0033] In this embodiment, the pressure relief pipe 5 is connected to a high-pressure relief valve 13, which is used for pressure relief protection of the pressure relief pipe 5. In order to ensure the safety of the overall device, a pressure relief pipe 5 is provided behind the exhaust pipe 4, and a high-pressure relief valve 13 is installed on the pressure relief pipe 5 to avoid the pressure during the pressurization process from rising beyond the pressure that the pipeline can withstand, thereby causing hidden dangers.

[0034] In this embodiment, the high-pressure pipeline 7 is connected to a high-pressure cut-off valve 14 and a high-pressure pressure gauge 15, the high-pressure cut-off valve 14 is used to cut off the high pressure of the high-pressure pipeline 7, and the high-pressure pressure gauge 15 is used to display the pressure of the high-pressure pipeline 7; the low-pressure pipeline 8 is connected to a low-pressure cut-off valve 16 and a low-pressure pressure gauge 17, the low-pressure cut-off valve 16 is used to cut off the low pressure of the low-pressure pipeline 8, and the low-pressure pressure gauge 17 is used to display the pressure of the low-pressure pipeline 8; the high-pressure pipeline 7 is provided with a first elbow joint 18, and the first elbow joint 18 makes the high-pressure pipeline 7 bend at 90°; the low-pressure pipeline 8 is provided with a second elbow joint 19; the second elbow joint 19 makes the low-pressure pipeline 8 bend at 90°.

[0035] Specifically, the main mother pipe line 1 is divided into two lines using a three-way joint 6 of equal diameter, one line is connected to the high-pressure pipe 7, and the other line is connected to the low-pressure pipe 8. The high-pressure pipe 7 is connected to a high-pressure cut-off valve 14 and a high-pressure pressure gauge 15. The pressure of the high-pressure pipe 7 can be cut off by the high-pressure cut-off valve 14, and the pressure of the high-pressure pipe 7 is displayed by the high-pressure pressure gauge 15; the low-pressure pipe 8 is connected to a low-pressure cut-off valve 16 and a low-pressure pressure gauge 17. The pressure of the low-pressure pipe 8 can be cut off by the low-pressure cut-off valve 16, and the pressure of the low-pressure pipe 8 is displayed by the low-pressure pressure gauge 17. According to actual needs, the high-pressure valve is tested by opening the high-pressure cut-off valve 14, and the low-pressure valve is tested by opening the low-pressure cut-off valve 16 to switch to different pressure level valve tests. Among them, each high-pressure pipe 7 and each low-pressure pipe 8 are respectively connected to a branch pipe 10, and the first elbow pipe joint 18 and the second elbow pipe joint 19 are used to make the ends of the high-pressure pipe 7 and the low-pressure pipe 8 parallel, which is convenient for testing.

[0036] In this embodiment, the valve interface 9 of the specified type is a copy forest joint, a concentric reducer interface or a flange interface. In addition, a plurality of plugs 20 are also included, and the plugs 20 are used to block the valve interface 9.

[0037] Specifically, the outer side of the branch pipeline 10 is connected to a copy forest joint, and a concentric reducer pipeline is provided according to different pipeline sizes, and the two ends of the concentric reducer pipeline are connected to copy forest joints of the same size as the concentric reducer. According to different valve connection methods, the concentric reducer pipeline can be directly connected to the copy forest joint valve; to test the flange type valve, a flange interface is connected to the concentric reducer pipeline, and one end of the flange interface is connected to the concentric reducer. According to actual needs, flange valves and copy forest joint valves of different specifications and models can be tested, and flange valves and copy forest joint valves can also be tested at the same time. According to the number of test valves, the plug 20 can be used to block the branch pipeline 10 that does not need to be tested.

[0038] In summary, the utility model is provided with a main mother pipe 1, a pressure pump interface 2, a water supply pipe 3, an exhaust pipe 4, a pressure relief pipe 5, a three-way joint 6, a high-pressure pipe 7, a low-pressure pipe 8 and a valve interface 9; one end of the main mother pipe 1 is blocked, and the other end of the main mother pipe 1 is connected to the first interface of the three-way joint 6; the pressure pump interface 2 is connected to the side of the main mother pipe 1, and the pressure pump interface 2 is used to provide a pressure source to the main mother pipe 1; the water supply pipe 3 is connected to the side of the main mother pipe 1, and the water supply pipe 3 is used to Fill water to the main mother pipe 1; the exhaust pipe 4 is connected to the side of the main mother pipe 1, and the exhaust pipe 4 is used to exhaust the main mother pipe 1; the pressure relief pipe 5 is connected to the side of the main mother pipe 1, and the pressure relief pipe 5 is used to relieve pressure in the main mother pipe 1; the high-pressure pipe 7 is connected to the second interface of the three-way joint 6, and the low-pressure pipe 8 is connected to the third interface of the three-way joint 6; a number of branch pipes 10 are led out from the side of the high-pressure pipe 7 and the side of the low-pressure pipe 8, and each branch pipe 10 is connected to a valve interface 9 of a specified type. Before the device is operated, first connect the pressure pump access port to provide a pressure source for the valve pipeline pressure test; first use the water replenishment port of the water replenishment pipe 3 to replenish water to the main mother pipe 1, the high-pressure pipe 7, and the low-pressure pipe 8. When the entire pipeline is full of water, the first needle valve 11 at the root can be closed, so that the pressure can be quickly increased to avoid the pressure pump access port from being too long. Open the second needle valve 12 under the exhaust pipe 4. When water is discharged from the exhaust pipe 4 during the pressure test, it means that the entire pipe is full. The second needle valve 12 can be closed to avoid the presence of gas in the pipeline during the valve pressure test, which affects the test results. The pressure relief pipe 5 is connected to a high-pressure relief valve 13, which is used for pressure relief protection of the pressure relief pipe 5. In order to ensure the safety of the entire device, a pressure relief pipe 5 is provided behind the exhaust pipe 4, and a high-pressure relief valve 13 is installed on the pressure relief pipe 5 to avoid the pressure during the pressure test rising to exceed the pressure that the pipeline can withstand, which may cause hidden dangers. The main mother pipe line 1 is divided into two lines using a three-way joint 6 of equal diameter, one line is connected to the high-pressure pipe 7, and the other line is connected to the low-pressure pipe 8. The high-pressure pipe 7 is connected to the high-pressure cut-off valve 14 and the high-pressure pressure gauge 15. The pressure of the high-pressure pipe 7 can be cut off by the high-pressure cut-off valve 14, and the pressure of the high-pressure pipe 7 is displayed by the high-pressure pressure gauge 15; the low-pressure pipe 8 is connected to the low-pressure cut-off valve 16 and the low-pressure pressure gauge 17. The pressure of the low-pressure pipe 8 can be cut off by the low-pressure cut-off valve 16, and the pressure of the low-pressure pipe 8 is displayed by the low-pressure pressure gauge 17. According to actual needs, the high-pressure valve is tested by opening the high-pressure cut-off valve 14, and the low-pressure valve is tested by opening the low-pressure cut-off valve 16 to switch to different pressure level valve tests. Among them, each high-pressure pipe 7 and each low-pressure pipe 8 are respectively connected to a branch pipe 10, and the first elbow pipe joint 18 and the second elbow pipe joint 19 are used to make the ends of the high-pressure pipe 7 and the low-pressure pipe 8 parallel, which is convenient for testing.The outer side of the branch pipeline 10 is connected to a copy forest joint, and a concentric reducer pipeline is provided according to different pipeline sizes, and the two ends of the concentric reducer pipeline are connected to the copy forest joint of the same size as the concentric reducer. According to different valve connection methods, the concentric reducer pipeline can be directly connected to the copy forest joint valve; to test the flange type valve, the flange interface is connected to the concentric reducer pipeline, and one end of the flange interface is connected to the concentric reducer pipeline. According to actual needs, flange valves and copy forest joint valves of different specifications and models can be tested, and flange valves and copy forest joint valves can also be tested at the same time. According to the number of test valves, the plug 20 can be used to block the branch pipeline 10 that does not need to be tested. The utility model improves the test efficiency of the valve and reduces the equipment cost of the test valve; it can realize the test of high-pressure valves and low-pressure valves, can meet the test of valves of different pressure levels, meet the pressure requirements of valves of different types, specifications and models, greatly reduce costs, realize batch valve testing, and improve test efficiency.

[0039] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0040] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A one-time pressure test device for valves of multiple specifications, characterized in that: It includes a main main pipeline (1), a pressure pump interface (2), a water supply pipeline (3), an exhaust pipeline (4), a pressure relief pipeline (5), a three-way joint (6), a high-pressure pipeline (7), a low-pressure pipeline (8) and a valve interface (9); One end of the main main pipe (1) is blocked, and the other end of the main main pipe (1) is connected to the first interface of the three-way joint (6); the pressure pump interface (2) is connected to the side of the main main pipe (1), and the pressure pump interface (2) is used to provide a pressure source to the main main pipe (1); the water supply pipeline (3) is connected to the side of the main main pipe (1), and the water supply pipeline (3) is used to supply water to the main main pipe (1); the exhaust pipeline (4) is connected to the side of the main main pipe (1), and the exhaust pipeline (4) is used to exhaust the main main pipe (1); the pressure relief pipeline (5) is connected to the side of the main main pipe (1), and the pressure relief pipeline (5) is used to relieve pressure from the main main pipe (1); The high-pressure pipeline (7) is connected to the second interface of the three-way joint (6), and the low-pressure pipeline (8) is connected to the third interface of the three-way joint (6); a plurality of branch pipelines (10) are led out from the side of the high-pressure pipeline (7) and the side of the low-pressure pipeline (8), and each of the branch pipelines (10) is connected to the valve interface (9) of a specified type.

2. A one-time pressure test device for multi-specification valves according to claim 1, characterized in that: A water replenishment port is formed at the end of the water replenishment pipeline (3); the water replenishment pipeline (3) is connected to a first needle valve (11); and the exhaust pipeline (4) is connected to a second needle valve (12).

3. A one-time pressure test device for multi-specification valves according to claim 1, characterized in that: The pressure relief pipeline (5) is connected to a high-pressure pressure relief valve (13), and the high-pressure pressure relief valve (13) is used for pressure relief protection of the pressure relief pipeline (5).

4. A one-time pressure test device for multi-specification valves according to claim 1, characterized in that: The high-pressure pipeline (7) is connected to a high-pressure cut-off valve (14) and a high-pressure pressure gauge (15), wherein the high-pressure cut-off valve (14) is used to cut off the high pressure of the high-pressure pipeline (7), and the high-pressure pressure gauge (15) is used to display the pressure of the high-pressure pipeline (7); The low-pressure pipeline (8) is connected to a low-pressure cut-off valve (16) and a low-pressure pressure gauge (17); the low-pressure cut-off valve (16) is used for low-pressure cut-off of the low-pressure pipeline (8); and the low-pressure pressure gauge (17) is used for displaying the pressure of the low-pressure pipeline (8).

5. The one-time pressure test device for multi-specification valves according to claim 1 is characterized in that: The high-pressure pipeline (7) is provided with a first elbow joint (18), and the first elbow joint (18) enables the high-pressure pipeline (7) to be bent at 90 degrees.

6. A one-time pressure test device for valves of multiple specifications according to claim 5, characterized in that: The low-pressure pipeline (8) is provided with a second elbow joint (19); the second elbow joint (19) enables the low-pressure pipeline (8) to bend at 90 degrees.

7. The one-time pressure test device for multi-specification valves according to claim 1 is characterized in that: The valve interface (9) of the specified type is a copy forest connector.

8. The one-time pressure test device for multi-specification valves according to claim 1 is characterized in that: The valve interface (9) of the specified type is a concentric reducer interface.

9. The one-time pressure test device for multi-specification valves according to claim 1 is characterized in that: The valve interface (9) of the specified type is a flange interface.

10. The one-time pressure test device for multi-specification valves according to claim 1, characterized in that: It also includes a plurality of plugs (20), wherein the plugs (20) are used to seal the valve interface (9).

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