Built-in pipeline lossless high-pressure-resistant rapid pressing device

Abstract

The utility model discloses a built-in pipeline lossless high-pressure-resistant rapid pressurizing device which comprises an air injection mechanism and a sealing mechanism, the air injection mechanism comprises an air injection pipe, hollow pipes arranged at the two ends of the air injection pipe respectively, and air compression pumps for injecting air into the hollow pipes respectively; the sealing mechanism comprises a double-shaft air cylinder, a connecting plate arranged at the telescopic end of the double-shaft air cylinder and a blocking plate arranged on the side wall of the connecting plate, the hollow pipe is sleeved with the blocking plate, and a sealing sleeve is arranged between the blocking plate and the hollow pipe. The plugging plates are controlled to be close to each other through the telescopic end of the double-shaft air cylinder, the two ports of the pipeline are plugged, air is injected into the hollow pipe through the air compression pump, flows out of the air holes of the air injection pipe and is injected into the pipeline, the pipeline is pressurized, and operation is easy and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline detection, in particular to a built-in pipeline non-destructive high-pressure resistant rapid pressure device. Background Art

[0002] Pipeline pressure testing technology is widely used in industrial production processes. Whether it is the heat exchange tubes in the heat exchanger or the natural gas pipes and oil pipes that transport fluids, they all need to be pressure tested during the installation process. After the pipeline welding is completed, the pipeline also needs to be pressure tested to verify the welding technology.

[0003] The present application designs a built-in non-destructive high-pressure rapid pressure device, which can quickly seal pipe fittings, quickly inject gas and increase pressure, is easy to use, and has a fast detection speed. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract and title of the utility model to avoid obscuring the purpose of this section, the abstract and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the present invention.

[0005] In view of the above-mentioned problems and / or problems existing in the use of the built-in pipeline non-destructive high-pressure resistant rapid pressure device, the present utility model is proposed.

[0006] Therefore, the purpose of the present invention is to provide a built-in pipeline non-destructive high-pressure rapid pressure device. Through the setting of the threaded sealing joint, the air injection pipe can be removed, the pipe can be put on the hollow pipe, and then the air injection pipe can be assembled. The telescopic end of the double-axis cylinder is used to control the sealing plate to move closer, and the two ends of the pipe are blocked. The air is injected into the hollow pipe through the air compression pump, and the air flows out through the air hole of the air injection pipe and is injected into the pipe to pressurize the pipe. The operation is simple and quick.

[0007] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0008] A built-in pipeline non-destructive high-pressure rapid pressure device, comprising:

[0009] An air injection mechanism, comprising an air injection pipe, hollow tubes respectively provided at both ends of the air injection pipe, and air compression pumps respectively injecting air into the hollow tubes;

[0010] The sealing mechanism includes a dual-axis cylinder, connecting plates respectively arranged at the telescopic ends of the dual-axis cylinder, and a sealing plate arranged on the side wall of the connecting plate. The sealing plate is sleeved on the hollow tube, and a sealing sleeve is arranged between the sealing plate and the hollow tube.

[0011] As a preferred solution of the built-in pipeline non-destructive high-pressure rapid pressure device described in the utility model, the side wall of the gas injection pipe is provided with air holes, and a threaded sealing joint is provided between the hollow pipe and the gas injection pipe.

[0012] As a preferred solution of the built-in pipeline non-destructive high-pressure rapid pressure device described in the utility model, the inner ring of the sealing sleeve is provided with balls and sealing rings, and the sealing rings are pressed tightly against the outer periphery of the hollow pipe.

[0013] As a preferred solution of the built-in pipeline non-destructive high-pressure rapid pressure device described in the utility model, the end of the hollow tube is provided with an air pipe joint, and the outlet of the air compression pump is provided with an air supply pipe connected to the air pipe joint.

[0014] As a preferred solution of the built-in pipeline non-destructive high-pressure rapid pressing device described in the utility model, a support frame is provided on the periphery of the telescopic rod of the dual-axis cylinder, and a silicone sealing gasket is provided on the side wall of the sealing plate.

[0015] Compared with the prior art, the utility model has the following beneficial effects: this built-in pipeline non-destructive high-pressure resistant rapid pressure device can remove the gas injection pipe through the setting of the threaded sealing joint, and the pipe can be put on the hollow pipe, and then the gas injection pipe can be assembled. The sealing plate is controlled to move closer by the telescopic end of the double-axis cylinder to seal the two ends of the pipe. The air is injected into the hollow pipe through the air compression pump, and the air flows out through the air hole of the gas injection pipe and is injected into the pipe to pressurize the pipe. The operation is simple and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive labor. Among them:

[0017] Figure 1 This is a schematic diagram of the overall structure of a built-in pipeline non-destructive high-pressure rapid pressure device of the utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of a built-in pipeline non-destructive high-pressure rapid pressure device of the utility model;

[0019] Figure 3 This utility model is a built-in pipeline non-destructive high-pressure rapid pressure device Figure 2 Schematic diagram of the structure of part a.

[0020] 100. Gas injection mechanism; 110. Gas injection pipe; 111. Air hole; 120. Hollow pipe; 121. Threaded sealing joint; 122. Air pipe joint; 130. Air compressor pump; 131. Air supply pipe; 200. Sealing mechanism; 210. Dual-axis cylinder; 211. Support frame; 220. Connecting plate; 230. Sealing plate; 231. Sealing gasket; 240. Sealing sleeve; 241. Ball bearing; 242. Sealing ring. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0022] Secondly, the present invention is described in detail with reference to schematic diagrams. For ease of illustration, when describing the embodiments of the present invention, cross-sectional views of device structures may be partially enlarged to scale. Furthermore, the schematic diagrams are merely illustrative and should not limit the scope of protection of the present invention. Furthermore, in actual production, the three-dimensional dimensions of length, width, and depth should be included.

[0023] In order to make the purpose, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0024] The utility model provides a built-in pipeline non-destructive high-pressure rapid pressure device. Through the setting of a threaded sealing joint, the air injection pipe can be removed, the pipe can be put on the hollow pipe, and then the air injection pipe can be assembled. The telescopic end of the double-axis cylinder is used to control the sealing plate to move closer to block the two ends of the pipe. The air is injected into the hollow pipe through an air compression pump, and the air flows out through the air hole of the air injection pipe and is injected into the pipe to pressurize the pipe. The operation is simple and quick.

[0025] Figure 1-Figure 3 The following is a schematic diagram of the structure of an embodiment of a built-in pipeline non-destructive high-pressure rapid pressure device of the present invention, please refer to Figure 1-Figure 3 In this embodiment, a built-in pipeline non-destructive high-pressure rapid pressurization device is provided, and its main body includes a gas injection mechanism 100 and a sealing mechanism 200.

[0026] The air injection mechanism 100 injects air into the hollow tube 120 through the air compression pump 130, and the air flows out through the air hole 111 of the air injection tube 110 and is injected into the pipeline to pressurize the pipeline. The air injection tube 110 can be removed by setting the threaded sealing joint 121, and the pipeline can be put on the hollow tube 120, and then the air injection tube 110 can be assembled. Specifically, the air injection mechanism 100 includes an air injection tube 110, hollow tubes 120 respectively provided at both ends of the air injection tube 110, and an air compression pump 130 for injecting air into the hollow tube 120 respectively. In this embodiment, the side wall of the air injection tube 110 is provided with an air hole 111, a threaded sealing joint 121 is provided between the hollow tube 120 and the air injection tube 110, an air pipe joint 122 is provided at the end of the hollow tube 120, and an air supply pipe 131 connected to the air pipe joint 122 is provided at the outlet of the air compression pump 130;

[0027] The sealing mechanism 200 controls the sealing plate 230 to approach through the telescopic end of the dual-axis cylinder 210 to seal the two ends of the pipeline. Specifically, the sealing mechanism 200 includes a dual-axis cylinder 210, a connecting plate 220 respectively arranged at the telescopic end of the dual-axis cylinder 210, and a sealing plate 230 arranged on the side wall of the connecting plate 220. The sealing plate 230 is sleeved on the hollow tube 120, and a sealing sleeve 240 is arranged between the sealing plate 230 and the hollow tube 120. In this embodiment, the inner ring of the sealing sleeve 240 is provided with a ball 241 and a sealing ring 242, and the sealing ring 242 is pressed against the outer periphery of the hollow tube 120. The outer periphery of the telescopic rod of the dual-axis cylinder 210 is provided with a support frame 211, and the side wall of the sealing plate 230 is provided with a silicone sealing pad 231.

[0028] Combine Figure 1-Figure 3 , this embodiment is a built-in pipeline non-destructive high-pressure rapid pressure device, the specific usage process is as follows: through the setting of the threaded sealing joint 121, the gas injection pipe 110 can be removed, the pipe can be put on the hollow pipe 120, and then the gas injection pipe 110 can be assembled. The telescopic end of the dual-axis cylinder 210 is used to control the sealing plate 230 to move closer to block the two ends of the pipe. The air is injected into the hollow pipe 120 through the air compression pump 130, and the air flows out through the air hole 111 of the gas injection pipe 110 and is injected into the pipe to pressurize the pipe. The operation is simple and quick.

[0029] While the present invention has been described above with reference to specific embodiments, various modifications may be made and equivalent components may be substituted without departing from the scope of the present invention. In particular, as long as no structural conflicts exist, the various features of the embodiments disclosed herein may be combined with one another in any manner, and the omission of an exhaustive description of these combinations in this specification is solely for the sake of space and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions within the scope of the claims.

Claims

1. A built-in pipeline non-destructive high-pressure rapid pressure device, characterized in that: include: An air injection mechanism (100), the air injection mechanism (100) comprising an air injection pipe (110), hollow tubes (120) respectively arranged at two ends of the air injection pipe (110), and an air compression pump (130) respectively injecting air into the hollow tubes (120); A sealing mechanism (200) comprising a double-axis cylinder (210), connecting plates (220) respectively arranged at the telescopic ends of the double-axis cylinder (210), and a sealing plate (230) arranged on the side wall of the connecting plate (220), wherein the sealing plate (230) is sleeved on the hollow tube (120), and a sealing sleeve (240) is arranged between the sealing plate (230) and the hollow tube (120).

2. The built-in pipeline non-destructive high-pressure rapid pressure device according to claim 1 is characterized in that: The side wall of the gas injection pipe (110) is provided with an air hole (111), and a threaded sealing joint (121) is provided between the hollow pipe (120) and the gas injection pipe (110).

3. The built-in pipeline non-destructive high-pressure rapid pressure device according to claim 2 is characterized in that: The inner ring of the sealing sleeve (240) is provided with a ball (241) and a sealing ring (242), and the sealing ring (242) is pressed tightly against the outer circumference of the hollow tube (120).

4. The built-in pipeline non-destructive high-pressure rapid pressure device according to claim 3 is characterized in that: An air pipe joint (122) is provided at the end of the hollow tube (120), and an air delivery pipeline (131) communicating with the air pipe joint (122) is provided at the outlet of the air compression pump (130).

5. The built-in pipeline non-destructive high-pressure rapid pressure device according to claim 4 is characterized in that: A support frame (211) is provided on the outer periphery of the telescopic rod of the dual-axis cylinder (210), and a silicone sealing pad (231) is provided on the side wall of the blocking plate (230).

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