CN219714676U

CN219714676U - Novel pressure leak hunting device

Info

Publication number: CN219714676U
Application number: CN202321129618.9U
Authority: CN
Inventors: 杜元贺; 罗玉威; 李文杰; 宋恩宇
Original assignee: Guangdong Yuedian Xinhui Power Generation Co ltd
Current assignee: Guangdong Yuedian Xinhui Power Generation Co ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2023-09-19
Anticipated expiration: 2033-05-11

Abstract

The utility model discloses a novel pressing leakage detection device which comprises a pressing assembly and a sealing cover assembly communicated with the pressing assembly, wherein the sealing cover assembly comprises a first cover body and a second cover body, the first cover body and the second cover body can be hinged with each other, and the first cover body and the second cover body can be spliced with each other to define a hollow cavity, and the pressing assembly can be communicated with the hollow cavity. The utility model adopts the high-pressure area formed around the outside of the pipe body to judge whether the pipe body has leakage points, thereby avoiding damage to the pipe body in the leak detection process.

Description

Novel pressure leak hunting device

Technical Field

The utility model relates to the technical field of leak detection, in particular to a novel pressing leak detection device.

Background

After the pipeline is laid, pressing detection is needed to test whether the connection of the pipeline is normal, and the traditional detection mode is to inject water into the pipeline through a pressure testing pump to press so as to observe whether the water seepage exists on the surface of the pipeline and whether the water pressure is obviously changed; or gas is introduced into the pipeline to observe whether the air pressure in the pipeline is changed obviously or not so as to judge whether a leakage point exists in the pipeline or not. The leakage detection mode is easy to cause the risk of bursting of the pipe body due to the need of increasing the air pressure in the pipe body. Accordingly, the present utility model is directed to a novel crimp leak detection apparatus that overcomes the above-described drawbacks.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a novel pressing leakage detection device.

The aim of the utility model is achieved by the following technical scheme: the utility model provides a novel leak hunting is suppressed device, including the subassembly of suppressing and with the sealed cowling subassembly of suppressing the subassembly intercommunication, the sealed cowling subassembly includes first cover body and second cover body, first cover body with the second cover body can be articulated each other, first cover body with the second cover body can splice each other in order to inject the cavity die cavity, wherein, the subassembly of suppressing can with cavity die cavity intercommunication.

Preferably, the pressurizing assembly comprises a first air cylinder and a second air cylinder, and the first air cylinder is communicated with the hollow cavity through a first hose.

Preferably, in the case that the sealing cover assembly can be sleeved on the pipe to be tested, the second gas cylinder can be communicated with the pipe to be tested.

Preferably, the edges of the first cover body and the second cover body are provided with sealing rings.

Preferably, a pressure gauge is arranged on the first cover body, and the pressure gauge can be communicated with the hollow cavity.

Preferably, the first cover body is hinged with a plurality of studs, and the second cover body is provided with a plurality of fixing holes, wherein the studs can be nested in the fixing holes under the condition that the studs rotate.

Preferably, a nut is arranged on the stud.

Preferably, a pressure release valve communicated with the hollow cavity is arranged on the first cover body or the second cover body.

The utility model has the following advantages:

(1) In the prior art, the leak detection process is as follows: closing the air outlet valve of the pipe body, and then injecting air into the pipe body to enable the air pressure inside the pipe body to rise, wherein after the air pressure in the pipe body is kept for a set time, if the air pressure in the pipe body is changed greatly, the existence of a leakage point of the pipe body is indicated. The leakage detection mode is easy to cause the risk of bursting of the pipe body due to the need of increasing the air pressure in the pipe body. The utility model adopts the high-pressure area formed around the outside of the pipe body to judge whether the pipe body has leakage points, thereby avoiding damage to the pipe body in the leak detection process.

(2) In use, the second gas cylinder is capable of injecting gas into the tube under test to increase the flow rate of gas in the tube under test. If a leakage point exists on the detected pipe, at the moment, the adsorption force is formed due to the increase of the gas flow rate in the detected pipe so as to suck the gas in the hollow cavity into the detected pipe, and the process of diffusing the gas in the hollow cavity into the detected pipe can be quickened by the arrangement mode, so that the purpose of reducing the leakage detection time is achieved.

(3) In the prior art, when the pressure leakage detection is carried out, a plurality of disassembly and assembly works including additional installation of the blocking plate are needed, and the risk of newly increased leakage points caused by misoperation is increased. The utility model can carry out the pressing test by only covering the seal cover assembly on the tested pipe, thereby avoiding complicated disassembly and assembly procedures.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a novel pressing leak detection device;

FIG. 2 is a schematic structural view of the novel pressing leak detection device in a sectional state;

fig. 3 is a schematic structural diagram of the novel pressing leakage detection device in an unfolded state.

In the figure, a 1-pressing assembly, a 2-sealing cover assembly, a 2 a-first cover body, a 2 b-second cover body, a 3-hollow cavity, a 4-first hose, a 5-measured pipe, a 1 a-first gas cylinder, a 1 b-second gas cylinder, a 6-sealing ring, a 7-manometer, an 8-stud, a 9-fixing hole, a 10-nut and an 11-pressure relief valve.

Detailed Description

The utility model is further described below with reference to the accompanying drawings, the scope of the utility model not being limited to the following:

as shown in fig. 1 to 3, the utility model provides a novel pressing leakage detection device, which comprises a pressing assembly 1 and a sealing cover assembly 2 communicated with the pressing assembly 1. The seal cover component 2 is used for covering the position needing to leak detection, then after the gas is injected into the seal cover component 2 through the pressing component 1, the gas pressure in the seal cover component 2 can be gradually increased, when no leakage exists at the leak detection position, the gas pressure of the seal cover component 2 can not be greatly changed, and if the gas pressure of the seal cover component is changed after a period of time, the leakage can be indicated at the leak detection position. Specifically, the sealing cap assembly 2 includes a first cap 2a and a second cap 2b, the first cap 2a and the second cap 2b being capable of being hinged to each other, the first cap 2a and the second cap 2b being capable of being spliced to each other to define a hollow cavity 3, wherein the pressing assembly 1 is capable of communicating with the hollow cavity 3. Leak detection gas such as nitrogen can be injected into the hollow cavity through the pressurizing assembly. In use, the first and second housings can be placed over, for example, a tube to effect leak detection of the tube. In the prior art, the leak detection process is as follows: closing the air outlet valve of the pipe body, and then injecting air into the pipe body to enable the air pressure inside the pipe body to rise, wherein after the air pressure in the pipe body is kept for a set time, if the air pressure in the pipe body is changed greatly, the existence of a leakage point of the pipe body is indicated. The leakage detection mode is easy to cause the risk of bursting of the pipe body due to the need of increasing the air pressure in the pipe body. The utility model adopts the high-pressure area formed around the outside of the pipe body to judge whether the pipe body has leakage points, thereby avoiding damage to the pipe body in the leak detection process.

Preferably, the pressing assembly 1 comprises a first gas cylinder 1a and a second gas cylinder 1b, the first gas cylinder 1a being in communication with the hollow cavity 3 via a first hose 4. The first air bottle 1a can store nitrogen, the first hose 4 can be provided with a manual valve, and when the manual valve is opened, the air in the first air bottle can enter the hollow cavity 3 to realize the rising of the air pressure in the hollow cavity 3. It is understood that the first cover or the second cover may be provided with an air inlet channel, and the first hose may be connected to the air inlet channel, so that the air in the first bottle may be injected into the hollow cavity.

Preferably, in the case where the seal cap assembly 2 can be sleeved on the tube under test 5, the second gas cylinder 1b can communicate with the tube under test 5. The first cylinder may also be in communication with the tube 5 to be tested via a hose with a manual valve. In use, the second cylinder 1b is capable of injecting gas into the tube 5 to be measured to increase the flow rate of the gas in the tube 5 to be measured. If there is a leakage point on the measured tube 5, at this time, due to the increase of the gas flow rate in the measured tube 5, an adsorption force is formed to suck the gas in the hollow cavity 3 into the measured tube 5, and by the above arrangement, the process of diffusing the gas in the hollow cavity 3 into the measured tube 5 can be accelerated, thereby achieving the purpose of reducing the leak detection time.

Preferably, sealing rings 6 are arranged on the edges of the first cover body 2a and the second cover body 2 b. After the first cover body and the second cover body are spliced, the sealing ring 6 can seal gaps among the first cover body and the second cover body, between the first cover body and the tested tube and between the second cover body and the tested tube, so that the detection result is prevented from being influenced.

Preferably, the first cover 2a is provided with a pressure gauge 7, and the pressure gauge 7 can communicate with the hollow cavity 3. The manometer can be the YN60 type shock-resistant manometer that has been disclosed and sold, is provided with the screwed connection pipe on it, can be provided with on the first cover body 2a with the screwed connection hole of cavity die cavity intercommunication to make the screwed connection pipe of manometer can the nested setting in the screwed connection hole. The internal pressure of the hollow cavity can be displayed in real time by the aid of the pressure gauge.

Preferably, the first cover 2a is hinged with a plurality of studs 8, and the second cover 2b is provided with a plurality of fixing holes 9, wherein the studs 8 can be nested in the fixing holes 9 when the studs 8 rotate. Through the articulated arrangement mode, the separation of the stud and the second cover body can be realized rapidly by rotating the stud 8.

Preferably, the stud 8 is provided with a nut 10. By rotating the screw cap 10, the first cover body and the second cover body can be pressed tightly through the screw cap 10, so that the first cover body and the second cover body can be spliced.

Preferably, the first cover 2a or the second cover 2b is provided with a relief valve 11 communicating with the hollow cavity 3. When the leak detection is completed, the pressure relief valve 11 is opened to realize the rapid pressure relief of the hollow cavity 3.

The working principle of the utility model is as follows: after the sealing cover assembly 2 is covered outside the tested tube 5, the first cover body and the second cover body are tightly pressed and sealed through bolts and nuts. Subsequently, gas is injected into the hollow cavity through the first gas cylinder. If the leak detection process needs to be accelerated, then gas is injected into the detected pipe 5 through the second gas cylinder so as to increase the speed of the gas flow in the detected pipe.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a novel leak hunting device of beating, its characterized in that, including beat subassembly (1) and with beat sealed cowling subassembly (2) of subassembly (1) intercommunication, sealed cowling subassembly (2) include first cover body (2 a) and second cover body (2 b), first cover body (2 a) with second cover body (2 b) can hinge each other, first cover body (2 a) with second cover body (2 b) can splice each other in order to inject cavity die cavity (3), wherein, beat subassembly (1) can with cavity die cavity (3) intercommunication.

2. The novel pressing leakage detection device according to claim 1, wherein the pressing assembly (1) comprises a first gas cylinder (1 a) and a second gas cylinder (1 b), and the first gas cylinder (1 a) is communicated with the hollow cavity (3) through a first hose (4).

3. The novel pressing leakage detection device according to claim 2, wherein the second gas cylinder (1 b) can be communicated with the tested tube (5) under the condition that the sealing cover assembly (2) can be sleeved on the tested tube (5).

4. The novel pressing leakage detection device according to claim 1, wherein sealing rings (6) are arranged on the edges of the first cover body (2 a) and the second cover body (2 b).

5. The novel pressing leakage detection device according to claim 1, wherein a pressure gauge (7) is arranged on the first cover body (2 a), and the pressure gauge (7) can be communicated with the hollow cavity (3).

6. The novel pressing leakage detection device according to claim 1, wherein a plurality of studs (8) are hinged on the first cover body (2 a), a plurality of fixing holes (9) are formed in the second cover body (2 b), and the studs (8) can be nested in the fixing holes (9) under the condition that the studs (8) rotate.

7. The novel pressing leakage detection device according to claim 6, wherein a nut (10) is arranged on the stud (8).

8. The novel pressing leakage detection device according to claim 1, wherein a pressure relief valve (11) communicated with the hollow cavity (3) is arranged on the first cover body (2 a) or the second cover body (2 b).