CN218725095U - Special equipment is with pipeline under pressure gas leakage nature detection device - Google Patents

Abstract

The utility model discloses a pressure pipeline gas leakage detection device for special equipment, which comprises an outer barrel body, wherein a support frame is arranged below the outer barrel body, a detection pipeline is sleeved in the outer barrel body, and auxiliary fixing components are arranged between the detection pipeline and the outer barrel body and close to the two ends in the outer barrel body; the outer side of the end part of the outer cylinder body is provided with a first sealing cover and a second sealing cover, and sealing strips are arranged on the inner sides of the first sealing cover and the second sealing cover; a rubber block capable of covering the port of the detection pipeline is arranged in the second sealing cover, an air pump is arranged on the outer side of the first sealing cover, the output end of the air pump extends into the first sealing cover and is internally provided with an air bag, and the air bag extends into the detection pipeline; be equipped with the pressure gauge on the outer barrel, just be located pressure gauge one side and be equipped with the thermometer on the outer barrel, the probe of pressure gauge and thermometer all extends into the urceolus and just is located the detection pipe way outside. The utility model discloses restriction to place and other conditions is less, convenient to use and judgement gas leakage point, do not influence and damage the pipeline body.

Description

A pressure pipeline leakage detection device for special equipment

technical field

The utility model relates to the technical field of pipeline performance detection, in particular to a pressure pipeline air leakage detection device for special equipment.

Background technique

In a broad sense, pressure pipes refer to all pipes subject to internal or external pressure, regardless of the medium in the pipe. Pressure pipeline is one of the types of pipelines, which belongs to special equipment with high risk. It is an assembly assembly composed of pipes, pipe fittings, flanges, bolt connections, gaskets, valves, other components or pressure parts and supports. Due to the particularity of its use, the airtightness of pressure pipes is one of its most important characteristics.

The patent with the publication number CN214793660U discloses a pressure pipeline detection device, which includes a detection water tank, fixes the pressure pipeline and seals both ends, puts it into the detection water tank to observe whether there are bubbles, so as to judge whether there is an air leakage point in the pipeline . The disadvantage of this structure is that it needs to use the water tank device for detection, which limits the site and conditions for pipeline air leakage detection, and the pipeline is made of metal, which is easy to rust under high humidity after soaking in water and removing it, which is not good for pipeline maintenance. .

The application number is CN202123331118.7, and the patent publication (announcement) number is CN216410524U discloses a pressure pipeline leak detection device for special equipment. Through the cooperative design of the detection power output structure and the detection mounting structure, the device is convenient to complete the inspection of the pipeline to be detected. After injecting the detection liquid, carry out stable loading and convenient plugging, and observe whether there is leakage outside the pipe body through continuous shaking, so as to facilitate the observation and detection of whether there is seal leakage outside the pipe. There are certain defects in the above-mentioned patents: after the leak detection is carried out with the detection liquid, the detection liquid is not easy to clean up; it is inconvenient to fix different pipelines.

Utility model content

The utility model aims to solve the above-mentioned technical problems in the air leakage detection of pressure pipelines for special equipment, and provides an air leakage detection device for pressure pipelines for special equipment that is easy to use and has little restrictions on the site and pipelines.

In order to solve the above technical problems, the technical solution provided by the utility model is: a pressure pipeline air leakage detection device for special equipment, including an outer cylinder body, a support frame is arranged under the outer cylinder body, and the inner casing of the outer cylinder body There is a detection pipeline, and auxiliary fixing components are provided between the detection pipeline and the outer cylinder and near both ends of the outer cylinder. The auxiliary fixing components include several telescopic columns symmetrically arranged on the outer cylinder. The end of the column away from the outer cylinder is provided with a clamping plate, and a spring is provided between the clamping plate and the outer cylinder and outside the telescopic column; a cover 1 is provided outside one end of the outer cylinder, and the The outside of the other end of the outer cylinder is provided with a cover 2, and the inside of the cover 1 and the cover 2 are provided with sealing strips; the cover 2 is provided with a rubber block capable of covering the detection pipeline port, and the cover 1 An air pump is arranged on the outside, and the output end of the air pump extends into the cover. An air bag is arranged inside, and the air bag extends into the detection pipeline; A thermometer is arranged on one side, and the probes of the pressure gauge and the thermometer both extend into the outer cylinder and are located outside the detection pipeline.

Compared with the prior art, the utility model has the advantages that it is easy to move and has less restrictions on the site and other conditions; by sealing the two ends of the pipeline and squeezing the inner space of the pipeline, as the inner volume decreases, the inner The pressure gradually increases. If there is an air leak, the internal gas will be discharged from the air leak, and then the pressure change can be observed through the pressure gauge, which is easy to read, not easy to miss, and will not affect or damage the pipeline.

As an improvement, the support frame includes several legs, cross braces are provided between adjacent legs, and universal wheels capable of self-locking are provided under the legs.

As an improvement, the clamping plates are all arc-shaped, and the sides of the clamping plates that are close to each other are provided with anti-skid lines.

As an improvement, the first cover is provided with a through hole capable of accommodating the output end of the air pump, and a sealant is coated between the through hole and the air pump.

As an improvement, the outer cylinder is provided with a second through hole through which the probes of the pressure gauge and the thermometer can pass through, and a sealant is coated between the inside of the second through hole and the pressure gauge and the thermometer.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a front perspective view of the utility model.

Fig. 3 is a structural schematic diagram of the auxiliary fixing assembly of the utility model.

As shown in the figure: 1. Outer cylinder, 2. Support frame, 3. Detection pipe, 4. Telescopic column, 5. Clamping plate, 6. Spring, 7. Cover one, 8. Cover two, 9. Rubber block, 10, air pump, 11, air bag, 12, manometer, 13, thermometer.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Embodiment 1, in combination with all the drawings, a pressure pipeline air leakage detection device for special equipment, including an outer cylinder 1, a support frame 2 is provided under the outer cylinder 1, and the support frame 2 includes several supports Legs, cross braces are provided between adjacent legs, self-locking universal wheels are provided under the legs, and the support frame 2 makes the outer cylinder 1 leave the ground to avoid the external temperature of the outer cylinder 1. parameters are affected by ground conditions, the outer cylinder 1 is provided with a detection pipeline 3, and auxiliary fixing components are provided between the detection pipeline 3 and the outer cylinder 1 and near the two ends of the outer cylinder 1, so The auxiliary fixing assembly includes several telescopic columns 4 symmetrically arranged on the outer cylinder 1, and the end of the telescopic columns 4 away from the outer cylinder 1 is provided with a clamping plate 5, and the clamping plates 5 are all arc-shaped, The sides of the clamping plates 5 that are close to each other are provided with anti-slip lines, which increase the friction with the detection pipe 3 and make it difficult to slip off. There is a spring 6; the outside of one end of the outer cylinder body 1 is provided with a cover one 7, the other end of the outer cylinder body 1 is provided with a cover two 8 outside, and the inside of the cover one 7 and the cover two 8 are provided with Sealing strip: the rubber block 9 that can cover the detection pipeline 3 ports is provided in the cover two 8, and the end of the detection pipeline 3 can be sealed. The outside of the cover one 7 is provided with an air pump 10, and the output of the air pump 10 is The end extends into the cover one 7 and is provided with an air bag 11, and the air bag 11 extends into the detection pipeline 3, and the cover one 7 is provided with a through hole capable of accommodating the output end of the air pump 10, and the through hole is connected with the air pump 10 A sealant is coated between them; the outer cylinder 1 is provided with a pressure gauge 12, and the outer cylinder 1 is provided with a thermometer 13 on one side of the pressure gauge 12, and the probes of the pressure gauge 12 and the thermometer 13 are Both extend into the outer cylinder 1 and are located outside the detection pipeline 3. The outer cylinder 1 is provided with a through hole 2 through which the probes of the pressure gauge 12 and the thermometer 13 can pass. The inside of the through hole 2 is connected to the pressure gauge 12 All be coated with sealant between and thermometer 13.

The working principle of the utility model: when in use, first fix the detection pipeline 3 in the outer cylinder 1, and a plurality of clamping plates 5 will clamp the detection pipeline 3 under the action of the telescopic column 4 and the spring 6, so as to avoid the detection pipeline 3 Moving in the outer cylinder 1, the first cover 7 and the second cover 8 are respectively fixed on the two ends of the outer cylinder 1. Since the inner side of the first cover 7 and the second 8 of the cover are provided with sealing strips, the connection with the outer cylinder can be increased. The resistance between the body 1 can avoid slipping and increase the sealing performance; the rubber block 9 in the cover 2 8 blocks one end of the detection pipe 3, and the flexibility and ductility of the rubber material can effectively avoid air leakage at the end of the detection pipe 3 Start the air pump 10 to inflate the air bag 11. Sealant is used to seal between the air pump 10 and the through hole of the cover-7 to increase the airtightness. and gradually extend to the inside of the detection pipeline 3. Since both ends of the detection pipeline 3 are sealed, when the air bag 11 continues to expand, it will squeeze the gas volume in the detection pipeline 3, making the detection pipeline 3 At this time, if there is an air leakage point on the detection pipe 3, the gas will rush out from the air leakage point, so that the air pressure in the space between the outer cylinder 1 and the detection pipe 3 changes, and at this time the pressure gauge 12, if the reading changes, it can be determined that there is an air leakage point in the detection pipeline 3; at the same time, when the air pressure in the space between the outer cylinder body 1 and the rain detection pipeline 3 changes, the temperature will change accordingly, and the reading of the thermometer 13 can assist in judging The presence of air leak points improves accuracy.

The utility model and its implementation have been described above. This description is not restrictive. What is shown in the drawings is only one implementation of the utility model, and the actual structure is not limited thereto. All in all, if a person of ordinary skill in the art is inspired by it, without departing from the purpose of the utility model, without creatively designing a structural method and embodiment similar to the technical solution, it shall be protected by the utility model scope.

Claims (5)

1. The utility model provides a pipeline under pressure gas leakage nature detection device for special equipment which characterized in that: the device comprises an outer barrel (1), wherein a support frame (2) is arranged below the outer barrel (1), a detection pipeline (3) is sleeved in the outer barrel (1), auxiliary fixing assemblies are arranged between the detection pipeline (3) and the outer barrel (1) and close to the inner two ends of the outer barrel (1), each auxiliary fixing assembly comprises a plurality of telescopic columns (4) symmetrically arranged on the outer barrel (1), clamping plates (5) are arranged at the ends, far away from the outer barrel (1), of the telescopic columns (4), and springs (6) are arranged between the clamping plates (5) and the outer barrel (1) and positioned outside the telescopic columns (4); a first sealing cover (7) is arranged on the outer side of one end of the outer cylinder body (1), a second sealing cover (8) is arranged on the outer side of the other end of the outer cylinder body (1), and sealing strips are arranged on the inner sides of the first sealing cover (7) and the second sealing cover (8); a rubber block (9) capable of covering the port of the detection pipeline (3) is arranged in the second sealing cover (8), an air pump (10) is arranged on the outer side of the first sealing cover (7), the output end of the air pump (10) extends into the first sealing cover (7) and is internally provided with an air bag (11), and the air bag (11) extends into the detection pipeline (3); be equipped with pressure gauge (12) on outer barrel (1), just be located pressure gauge (12) one side and be equipped with thermometer (13) on outer barrel (1), the probe of pressure gauge (12) and thermometer (13) all extends into outer barrel (1) and is located the detection pipeline (3) outside.

2. The pressure pipeline gas leakage detection device for the special equipment as claimed in claim 1, wherein: the supporting frame (2) comprises a plurality of supporting legs, cross braces are arranged between the adjacent supporting legs, and universal wheels capable of self-locking are arranged below the supporting legs.

3. The pressure pipeline gas leakage detection device for the special equipment as claimed in claim 1, wherein: the clamping plates (5) are arc-shaped, and the side faces, close to each other, of the clamping plates (5) are provided with anti-slip lines.

4. The pressure pipeline gas leakage detection device for the special equipment as claimed in claim 1, wherein: and a through hole capable of accommodating the output end of the air pump (10) is formed in the first sealing cover (7), and a sealant is coated between the inside of the through hole and the air pump (10).

5. The pressure pipeline gas leakage detection device for the special equipment as claimed in claim 1, wherein: and a second through hole through which probes of the pressure gauge (12) and the thermometer (13) can pass is formed in the outer barrel (1), and sealant is coated between the inside of the second through hole and the pressure gauge (12) and the thermometer (13).

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