A pipe butt pressure testing tool

Abstract

The utility model discloses a pipeline butt joint place pressure test instrument relates to pipeline test technical field. The utility model discloses a pipeline one and pipeline two, and the butt joint of pipeline one and pipeline two is provided with the butt joint seam, is provided with the sealing assembly in butt joint seam, and the sealing assembly includes the sealing ring setting in butt joint seam, and the both sides of sealing ring still have the air bag of bonding, sealing ring and air bag still are connected with the three -way connector, and the main pipeline of three -way connector is connected with the gas supply component again, and the gas supply component includes the air pressure pump no.

Description

Technical Field

[0001] This utility model belongs to the field of pipeline testing technology, and in particular relates to a pressure testing tool for pipeline joints. Background Technology

[0002] In the production of hazardous chemicals, pipelines for transporting materials are extended by connecting them through flanges, threads, welding, etc., to achieve long-distance transportation of materials. The materials in the pipelines are often flammable, explosive, or toxic and harmful, and are pressurized to achieve long-distance transportation. The pipeline joints need to be inspected to ensure that the joints are of qualified quality and to avoid leakage incidents during use.

[0003] The area with the greatest risk of leakage during the production process is the pipe joint. Therefore, it is particularly important to use pressure testing tools to check for leaks at the joint before production begins, which greatly reduces the risk of leakage at the pipe joint during production.

[0004] Existing pressure testing tools for pipe joints mainly consist of an inflation mechanism and a testing mechanism. During use, valves are closed at both ends of the pipes, and air is injected into the pipes. Then, water or soapy water is applied to the joint, and the presence of continuous bubbles is used to determine if there is a leak. However, this method is problematic because the water or soapy water applied to the joint means that any leak indicates the soapy water or water has seeped into the pipe, negatively impacting the pipe's internal hygiene and hindering subsequent material transport. Furthermore, relying on visual observation of bubbles to determine the test results introduces significant errors. Therefore, we provide a pipe joint pressure testing tool to address these issues. Utility Model Content

[0005] The purpose of this invention is to provide a pressure testing tool for pipe joints. The sealing component can seal the joint between two pipes, and then the gas supply component can supply helium-nitrogen mixture to the two pipes. The helium detector can detect helium at the joint to determine whether there is a leak. This solves the problems of existing pressure testing tools for pipe joints.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution: This utility model relates to a pressure testing tool for pipe joints, comprising pipe one and pipe two, with a joint seam at the joint of pipe one and pipe two. A sealing component is provided within the joint seam, the sealing component including a sealing ring disposed within the joint seam, and air bladders are also bonded to both sides of the sealing ring. The sealing ring and air bladders are also connected to a tee connector, the main pipe of which is connected to an air supply component. The air supply component includes a first air pressure pump connected to the tee connector, and a second air pressure pump disposed above the first air pressure pump. The second air pressure pump is connected to pipe one and pipe two via a double-pipe. A testing component is also provided beside the sealing component, the testing component including a suction nozzle disposed within the joint seam, and the suction nozzle is mounted on a helium detector.

[0007] The present invention is further configured such that the sealing ring abuts against the inner walls of both sides of the joint through the airbag, and an air inlet is also installed on the sealing ring and the airbag. The air inlet includes an air nozzle fixed on the sealing ring and the airbag, and a solenoid valve is also installed on the air nozzle.

[0008] The present invention is further configured such that the sealing ring and the internal chamber of the airbag are connected to the air nozzle through a solenoid valve, and the other end of the air nozzle is connected to the end of the pipe of the three-way connector.

[0009] The present invention is further configured such that both the first air pump and the second air pump are provided with a fixed frame inside, and a pressure gauge is installed on the air outlet end of the first air pump and a pressure gauge is installed on the air outlet end of the second air pump.

[0010] The present invention is further configured such that a pipe connector is installed on the double-pass pipe, and the double-pass pipe is connected to the air outlet of the second air pressure pump through the pipe connector. The other two ends of the double-pass pipe are connected to the ends of the first pipe and the second pipe through flexible hoses.

[0011] The present invention is further configured such that the helium detector in the test assembly is provided with an instrument tube, and the two ends of the instrument tube are respectively connected to the detection end of the helium detector and the suction nozzle.

[0012] The present invention is further configured such that the helium detector is disposed on the outside of the sealing assembly, and the suction nozzle passes through the sealing ring and the air bladder and is disposed in the joint seam.

[0013] This utility model has the following beneficial effects: 1. This utility model provides a sealing component and an air supply component. The sealing component includes a sealing ring installed in the joint between pipe one and pipe two. Airbags are also bonded to both sides of the sealing ring. The airbags and the air inlet on the sealing ring are connected to a connector of a three-way pipe. The main air pipe end of the three-way pipe is connected to a pressure pump in the air supply component. The pressure pump and the three-way pipe can supply air to the sealing ring and the airbag, causing them to expand at the joint, thereby achieving the effect of sealing the joint between pipe one and pipe two.

[0014] 2. This utility model includes a sealing component, a gas supply component, and a testing component. The gas supply component further includes a second air pressure pump, the outlet of which is equipped with a double-ended pipe. This double-ended pipe connects to pipes one and two, thereby supplying a helium-nitrogen mixture to pipes one and two. The testing component includes a helium detector with an instrument tube. The end of the instrument tube is equipped with a suction nozzle, which is positioned in the inner joint of the sealing component. When there is a leak in this joint, the gas inside pipes one and two will enter the joint through the leak. When there is no leak, the gas inside the joint will not leak. The gas in pipes 1 and 2 will not enter the joint. During use, start the second air pump, which will supply helium-nitrogen mixture to pipes 1 and 2 through the dual-pipe system. Then, pipes 1 and 2 will be filled with helium-nitrogen mixture and regular air. Next, insert the suction nozzle of the helium detector between the sealing ring and the air bladder into the joint between pipes 1 and 2, and slowly move it circumferentially along the joint. At the same time, observe whether the helium detector displays a reading. If it does, there is a leak at the joint between pipes 1 and 2; if it does not, there is no leak at the joint between pipes 1 and 2. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of a pressure testing tool for pipe connections.

[0017] Figure 2 This is a structural diagram of pipe one and pipe two.

[0018] Figure 3 This is a schematic diagram of the test component.

[0019] Figure 4 This is a structural diagram of the sealing assembly, tee connector, air supply assembly, and dual-pipe.

[0020] Figure 5 This is a structural disassembly diagram of the sealing assembly.

[0021] Figure 6 This is a structural disassembly diagram of the three-way connector, gas supply assembly, and two-way pipe.

[0022] The attached diagram lists the components represented by each number as follows: 1-Pipe 1, 101-Butt joint, 2-Pipe 2, 3-Sealing assembly, 301-Sealing ring, 302-Airbag, 303-Inlet head, 303a-Air nozzle, 303b-Solenoid valve, 4-T-connector, 5-Air supply assembly, 501-Fixing bracket, 502-Air pump 1, 502a-Pressure gauge 1, 503-Air pump 2, 503a-Pressure gauge 2, 6-Double-way pipe, 601-Pipe connector, 7-Testing assembly, 701-Helium detector, 702-Instrument tube, 703-Suction nozzle. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0024] Example 1 Please see Figure 1-3 This utility model is a pressure testing tool for pipe joints, including pipe 1, pipe 2 and sealing component 3. The sealing component 3 can achieve the effect of sealing the joint 101 between pipe 1 and pipe 2.

[0025] Specifically, the ends of pipe 1 and pipe 2 are connected, and a joint 101 is provided at the joint. A sealing component 3 is provided in the joint 101. The sealing component 3 includes a sealing ring 301 provided in the joint 101 and airbags 302 bonded to both sides of the sealing ring 301.

[0026] Furthermore, air inlets 303 are installed on both the airbag 302 and the sealing ring 301. The air inlets 303 include nozzles 303a fixed on the airbag 301 and the sealing ring 301. The nozzles 303a are connected to the internal chambers of the sealing ring 301 and the airbag 302 through a solenoid valve 303b. The other end of the nozzles 303a is also connected to the three-way connector 4.

[0027] The operation process of this embodiment is as follows: When in use, the air pressure pump 502 in the air supply component 5 is started. The air pressure pump 502 can supply air to the sealing ring 301 and the air bag 302 through the three-way pipe 4, thereby causing them to expand at the joint 101, thereby achieving the effect of sealing the joint 101 between pipe 1 and pipe 2.

[0028] Example 2 Please see Figure 4-6 Based on Example 1, a gas supply component 5, a dual-pipe 6, and a testing component 7 are also provided. The gas supply component 5 can deliver a helium-nitrogen mixture to pipe 1 and pipe 2 through the gas pressure pump 503. The helium detector 701 can detect whether the joint 101 contains helium.

[0029] Specifically, the main pipe of the three-way connector 4 is connected to the outlet end of the air pressure pump 502 in the air supply component 5, and realizes the normal gas supply to the sealing ring 301 and the air bag 302. The air pressure pump 502 is fixedly installed inside the lower end of the fixed frame 501, and a pressure gauge 502a is also installed on the outlet pipe of the air pressure pump 502. The upper end of the fixed frame 501 is also installed with an air pressure pump 503, and a pressure gauge 503a is also installed on the outlet pipe of the air pressure pump 503. The end of the outlet pipe of the air pressure pump 503 is connected to the pipe 1 and the pipe 2 through the double-way pipe 6, respectively, and realizes the supply of helium-nitrogen mixture to the pipe 1 and the pipe 2. The pressure gauges 502a and 503a are used to observe the output gas pressure.

[0030] Furthermore, a pipe connector 601 is installed on the double-pass pipe 6, and the double-pass pipe 6 is connected to the air pressure pump 503 through the pipe connector 601. A test assembly 7 is also provided on the side of the sealing assembly 3. The test assembly 7 includes a helium detector 701. An instrument tube 702 is installed on the helium detector 701. A suction nozzle 703 is fixedly installed at the end of the instrument tube 702. The suction nozzle 703 passes through the sealing ring 301 and the air bag 302 and is set in the joint 101.

[0031] The operation process of this embodiment is as follows: When in use, the second air pressure pump 503 is started. The second air pressure pump 503 then delivers helium-nitrogen mixture to pipe 1 and pipe 2 through the double-pass pipe 6. Then, pipe 1 and pipe 2 are filled with helium-nitrogen mixture and ordinary air. Then, the suction nozzle 703 of the helium detector 701 is inserted between the sealing ring 301 and the air bag 302 into the joint 101 between pipe 1 and pipe 2, and slowly moved around the joint 101. At the same time, it is observed whether the helium detector 701 has a reading. If there is a reading, there is a leak at the joint 101 between pipe 1 and pipe 2; if there is no reading, there is no leak at the joint 101 between pipe 1 and pipe 2.

[0032] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0033] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A pressure testing tool for pipe joints, comprising a first pipe (1) and a second pipe (2), wherein a joint seam (101) is provided at the joint of the first pipe (1) and the second pipe (2); characterized in that: A sealing component (3) is provided inside the joint (101). The sealing component (3) includes a sealing ring (301) provided inside the joint (101), and airbags (302) are also bonded to both sides of the sealing ring (301). The sealing ring (301) and airbags (302) are also connected to a three-way pipe (4). The main pipe of the three-way pipe (4) is connected to a gas supply component (5). The gas supply component (5) includes a first air pressure pump (502) connected to the three-way pipe (4) and a second air pressure pump (503) provided at the upper end of the first air pressure pump (502). The second air pressure pump (503) is connected to pipe one (1) and pipe two (2) through a double pipe (6). A test component (7) is also provided on the side of the sealing component (3). The test component (7) includes a suction nozzle (703) provided in the joint (101), and the suction nozzle (703) is installed on a helium detector (701).

2. The pressure testing tool for pipe joints according to claim 1, characterized in that, The sealing ring (301) abuts against the inner walls of both sides of the butt joint (101) through the air bag (302). An air inlet head (303) is also installed on the sealing ring (301) and the air bag (302). The air inlet head (303) includes an air nozzle (303a) fixed on the sealing ring (301) and the air bag (302), and a solenoid valve (303b) is also installed on the air nozzle (303a).

3. The pressure testing tool for pipe joints according to claim 2, characterized in that, The internal chambers of the sealing ring (301) and the airbag (302) are connected to the air nozzle (303a) through the solenoid valve (303b), and the other end of the air nozzle (303a) is connected to the pipe end of the three-way connector (4).

4. The pressure testing tool for pipe joints according to claim 1, characterized in that, Both the first air pump (502) and the second air pump (503) are provided inside the fixed frame (501). The first air pump (502) is also equipped with a pressure gauge (502a) at the air outlet end, and the second air pump (503) is also equipped with a pressure gauge (503a) at the air outlet end.

5. A pressure testing tool for pipe joints according to claim 1, characterized in that, The double-pipe (6) is also equipped with a pipe connector (601), and the double-pipe (6) is connected to the air outlet of the second air pump (503) through the pipe connector (601). The other two ends of the double-pipe (6) are connected to the ends of the first pipe (1) and the second pipe (2) through flexible hoses.

6. A pressure testing tool for pipe joints according to claim 1, characterized in that, The helium detector (701) in the test assembly (7) is equipped with an instrument tube (702), and the two ends of the instrument tube (702) are respectively connected to the detection end of the helium detector (701) and the suction nozzle (703).

7. A pressure testing tool for pipe joints according to claim 6, characterized in that, The helium detector (701) is located on the outside of the sealing assembly (3), and the suction nozzle (703) passes through the sealing ring (301) and the airbag (302) and is located in the butt joint (101).

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