CN219473447U

CN219473447U - Pipeline leakage detection part

Info

Publication number: CN219473447U
Application number: CN202320613303.5U
Authority: CN
Inventors: 刘纲; 郭华; 陈娜; 薛霜
Original assignee: Sichuan Lanqiang Petroleum Natural Gas Engineering Prospecting Design Co ltd
Current assignee: Sichuan Lanqiang Petroleum Natural Gas Engineering Prospecting Design Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-08-04
Anticipated expiration: 2033-03-27

Abstract

The utility model discloses a pipeline leakage detection piece in the technical field of pipeline detection, which comprises cross bars, wherein T-shaped blocks are placed on the groove walls of the T-shaped grooves, vertical rods are fixedly connected to the adjacent side walls of one group of T-shaped blocks, connecting blocks are fixedly connected to the side walls of the vertical rods, arc plates are fixedly connected to the adjacent side walls of one pair of connecting blocks, arc grooves are arranged on the side walls of the arc plates, sealing gaskets are arranged on the groove walls of the arc grooves, water inlets are arranged on the side walls of the arc plates, water outlets are arranged on the side walls of the arc plates, which are close to two ends, of the arc plates, a detector is arranged at the top of the cross bars, so that the arc grooves of the arc plates are filled with water, the sealing gaskets on the arc plates can prevent water from flowing out from the junction of the arc plates and the surfaces of the pipeline, and gas leaked from leakage holes of the pipeline can form bubbles to pass through the water, so that the specific positions of the leakage holes on the pipeline can be detected.

Description

Pipeline leakage detection part

Technical Field

The utility model relates to the technical field of pipeline detection, in particular to a pipeline leakage detection piece.

Background

The natural gas pipeline refers to a pipeline for conveying natural gas from a mining place or a treatment plant to an urban gas distribution center, and the pipeline is often deformed due to ground collapse and the like in the use process, so that the strain resistance of the pipeline is reduced and accelerated. When the natural gas pipeline is used, the natural gas pipeline needs to be detected periodically so as to avoid the occurrence of leakage in the use process of the pipeline and the safety accident caused by the failure of timely discovery. The existing natural gas pipeline leakage detection instrument is commonly used as a natural gas leakage detector with the model KP816, and the natural gas leakage detector detects the gas concentration in the environment by utilizing an MQ-4 natural gas sensor to judge whether natural gas leakage exists or not, but the instrument can only detect the approximate area of the natural gas leakage, the specific position of a leakage point can not be quickly found on the natural gas pipeline, and the natural gas pipeline is positioned underground after the use time is too long, paint on the surface of the pipeline falls off, an oxide layer and the like, so that the difficulty of finding the specific leakage hole is increased. Accordingly, a pipe leakage detecting member is proposed in view of the above-described problems.

Disclosure of Invention

In order to make up for the defects of the prior art, when detecting small pipeline leakage holes, some detecting instruments only can detect the areas of the leakage holes and cannot know the specific positions of the leakage holes, so that the efficiency of detecting the natural gas pipeline leakage holes is low.

The technical scheme adopted for solving the technical problems is as follows: the utility model discloses a pipeline leakage detection piece, which comprises a cross rod, wherein T-shaped grooves are formed in the adjacent side walls of the cross rod, T-shaped blocks are arranged on the groove walls of the T-shaped grooves, vertical rods are fixedly connected to the adjacent side walls of one group of the T-shaped blocks, connecting blocks are fixedly connected to the side walls of one group of the vertical rods, arc plates are fixedly connected to the adjacent side walls of one pair of the connecting blocks, arc grooves are formed in the side walls of the arc plates, the arc plates are made of transparent materials, sealing gaskets are arranged on the groove walls of the arc grooves, water inlets are formed in the side walls of the arc grooves, water outlets are formed in the side walls, close to two ends, of the arc plates, a detector is arranged at the top of the cross rod, a fixing piece is arranged between the adjacent side walls of the pair of the vertical rods, and air leakage holes of a pipeline can form air bubbles to pass through in water, so that the position of a specific leakage hole on the pipeline can be detected.

Preferably, the fixing piece comprises a bidirectional threaded rod, a pair of side walls of the vertical rods, which are close to two ends, are provided with threaded through grooves, and the groove walls of the threaded through grooves are connected with the bidirectional threaded rod in a threaded manner, so that arc plates on the pair of vertical rods are conveniently fixed on the outer circular walls of the pipelines.

Preferably, the center of the bidirectional threaded rod is fixedly connected with an arc-shaped block, so that the positioning auxiliary installation effect is achieved.

Preferably, the lateral wall sliding connection of horizontal pole has a pair of symmetrical mouth shape piece that distributes, the both sides lateral wall of mouth shape piece all rigid coupling has L shape pole, the one end rigid coupling of L shape pole has the gyro wheel, the lateral wall of mouth shape piece is equipped with the screens piece, alleviates staff's intensity of labour.

Preferably, the idler wheels are obliquely distributed on one end of the L-shaped rod, and the idler wheels can be better attached to the outer surface of the pipeline to slide and move forwards.

Preferably, the clamping piece comprises a clamping rod, clamping through grooves are formed in the side walls of the mouth-shaped blocks, symmetrically distributed clamping grooves are formed in the side walls of the cross rods, the clamping rods are connected with the groove walls of the clamping through grooves in a sliding mode, the clamping rods are matched with the clamping grooves, and when the idler wheels move on the pipeline, the mouth-shaped blocks slide on the cross rods.

The utility model has the advantages that:

1. the sealing gasket on the arc plate can prevent water from flowing out from the junction of the arc plate and the surface of the pipeline, so that gas leaked from the leakage hole of the pipeline can form bubbles to pass through in the water, the position of the specific leakage hole on the pipeline can be detected, if no leakage hole is detected on the side wall of the pipeline, the position of the arc plate can be adjusted, the device is rotated by 90 degrees, and a pair of arc plates are detected again at the upper position and the lower position of the pipeline, so that the specific position of the leakage hole is detected.

2. The arc-shaped plates on the pair of vertical rods are conveniently fixed on the outer circular wall of the pipeline, the positioning auxiliary installation effect is achieved, the device can slide on the pipeline through the action of the rollers, the labor intensity of workers is relieved, the rollers can better adhere to the outer surface of the pipeline to slide and move forward, and the mouth-shaped blocks slide on the cross rod when the rollers move on the pipeline.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

Figure 1 is a perspective structural view of the utility model,

figure 2 is an enlarged view of figure 1 at a,

figure 3 is a partial cross-sectional view of the utility model,

figure 4 is an enlarged view of figure 3 at B,

figure 5 is an enlarged view of figure 3 at C,

fig. 6 is an exploded view of the arcuate panel.

In the figure: 1. the transverse rod, 2, T-shaped groove, 3, T-shaped block, 4, montant, 5, arc, 6, arc groove, 7, sealing gasket, 8, water inlet, 9, water outlet, 10, detector, 11, two-way threaded rod, 12, arc block, 13, mouth-shaped block, 14, L-shaped rod, 15, gyro wheel, 16, screens pole, 17, screens groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, a pipeline leakage detecting member includes a cross bar 1, a pair of adjacent side walls of the cross bar 1 are all provided with T-shaped grooves 2, a T-shaped block 3 is placed on the groove wall of the T-shaped groove 2, a group of adjacent side walls of the T-shaped block 3 are fixedly connected with a vertical rod 4, the side walls of the vertical rod 4 are fixedly connected with a connecting block, a pair of adjacent side walls of the connecting block are all fixedly connected with an arc plate 5, the side walls of the arc plate 5 are provided with arc grooves 6, the arc plate 5 is made of transparent materials, the groove walls of the arc grooves 6 are provided with sealing gaskets 7, the side walls of the arc grooves 6 are provided with water inlets 8, the side walls of the arc plate 5 close to two ends are all provided with water outlets 9, the top of the cross bar 1 is provided with a detector 10, and the detector 10 can be a natural gas leakage detector with a model KP816 or only an MQ-4 natural gas sensor or other natural gas sensors. A fixing piece is arranged between the adjacent side walls of the pair of vertical rods 4.

During operation, the T-shaped block 3 slides in the T-shaped groove 2, so that the T-shaped block 3 slides to drive the vertical rod 4 to slide, then the vertical rod 4 slides to drive the arc plate 5 through the connecting block, when the detector 10 detects the approximate area of the leak, the distance between the pair of vertical rods 4 is mutually close to each other through the fixing piece, the arc plate 5 on the pair of vertical rods 4 is attached to the surface of a pipeline to clamp, the sealing gasket 7 on the clamping surface is extruded in the clamping process, and a space capable of storing water is formed in the arc groove 6 through the sealing gasket 7. After the arc-shaped plate 5 is fixed in the pipeline, water is injected into the openings with higher heights of the pair of water outlets 9, so that the arc-shaped grooves 6 of the arc-shaped plate 5 are filled with water, the water outlets 9 filled with water at the moment are not sealed, and the sealing gasket 7 on the arc-shaped plate 5 can prevent water from flowing out from the junction of the arc-shaped plate 5 and the surface of the pipeline. Thus, the gas leaked from the leak hole of the pipeline can form bubbles to pass through in water, a detector judges whether the leak hole exists by observing whether bubbles exist in the water inside the transparent arc plate and continuously generating the bubbles and moving to one side or two sides, and the starting position of the bubble moving is a specific leak hole position, so that the specific leak hole position on the pipeline can be detected, if the leak hole is not detected on the side wall of the pipeline, the position of the arc plate 5 can be adjusted, the device is rotated by 90 degrees, and the pair of arc plates 5 are detected again at the upper position and the lower position of the pipeline, so that the specific position of the leak hole is detected.

The mounting includes two-way threaded rod 11, a pair of the lateral wall that montant 4 is close to both ends all has the screw thread to lead to the groove, threaded connection has two-way threaded rod 11 on the cell wall in screw thread to lead to the groove, and during operation is led to the groove screw thread through the lateral wall of montant 4 and is rotated two-way threaded rod 11, can make a pair of montant 4 symmetry remove simultaneously, conveniently fixes the arc 5 on a pair of montant 4 on the outer circular wall of pipeline.

The center department rigid coupling of two-way threaded rod 11 has arc piece 12, and during operation, through the arc piece 12 on the two-way threaded rod 11, when installing this device on the pipeline, can install a pair of montant 4 with two-way threaded rod 11 earlier, put the depressed part of the arc piece 12 with two-way threaded rod 11 in the top position of pipeline, carry out other subassemblies again and install on the lateral wall of pipeline, play the effect of location auxiliary installation.

The outer side wall sliding connection of horizontal pole 1 has a pair of symmetrical mouth shape piece 13 that distributes, the both sides lateral wall of mouth shape piece 13 all rigid coupling has L shape pole 14, the one end rigid coupling of L shape pole 14 has gyro wheel 15, the lateral wall of mouth shape piece 13 is equipped with the screens piece, during operation, slides on horizontal pole 1 through mouth shape piece 13, when installing the device at the surface of pipeline, can slide mouth shape piece 13, makes the gyro wheel 15 on the mouth shape piece 13 support at the upper surface of pipeline, lets arc piece 12 break away from the pipeline surface, and the device can slide on the pipeline through the effect of gyro wheel 15 like this, alleviates staff's intensity of labour.

The roller 15 is obliquely distributed on one end of the L-shaped rod 14, and when the pipeline is in work, the roller 15 is obliquely arranged on the L-shaped rod 14, and the roller 15 can be better attached to the outer surface of the pipeline to slide forward when the roller 15 is obliquely arranged on the L-shaped rod 14 due to the fact that the outer surface of the pipeline is circular.

The clamping piece comprises a clamping rod 16, clamping through grooves are formed in the side wall of the mouth-shaped block 13, symmetrically distributed clamping grooves 17 are formed in the side wall of the cross rod 1, the clamping rods 16 are slidably connected to the groove walls of the clamping through grooves, the clamping rods 16 are matched with the clamping grooves 17, when the device needs to detect, the mouth-shaped block 13 can slide to enable the arc-shaped plate 5 to abut against the surface of a pipeline to detect when the device needs to detect, the mouth-shaped block 13 can slide back to the original position when the device needs to detect to the lower position, the mouth-shaped block 13 plays a role in fixing the cross rod 1 through the clamping grooves 17, and the mouth-shaped block 13 is prevented from sliding on the cross rod 1 when the roller 15 moves on the pipeline.

The working principle is that the T-shaped block 3 slides in the T-shaped groove 2, so that the T-shaped block 3 slides to drive the vertical rod 4 to slide, then the vertical rod 4 slides to drive the arc plate 5 through the connecting block, when the detector 10 detects the approximate area of the leak hole, the distance between the pair of vertical rods 4 is mutually close through the fixing piece, the arc plate 5 on the pair of vertical rods 4 is tightly attached to the surface of the pipeline, after the pipeline is fixed, the arc plate 5 is filled with water in the mouth with higher height of the pair of water outlets 9, the arc groove 6 of the arc plate 5 is filled with water, the water outlet 9 of the water injection is not sealed, the sealing gasket 7 on the arc plate 5 can prevent the water from flowing out from the junction of the arc plate 5 and the surface of the pipeline, thus the gas leaked from the leak hole of the pipeline can form bubbles to pass through the water, the specific leak hole position is found by observing the mode of generating the bubble starting point, if no leak hole is detected on the side wall of the pipeline, the position of the arc plate 5 can be adjusted, the device is rotated by 90 degrees, a pair of arc plates 5 are detected again at the upper and lower positions of the pipeline until the specific position of the leak hole is detected, the two-way threaded rod 11 is rotated through the threads of the through groove on the side wall of the vertical rod 4, the pair of vertical rods 4 can simultaneously and symmetrically move, the arc plates 5 on the pair of vertical rods 4 are conveniently fixed on the outer circular wall of the pipeline, when the device is installed on the pipeline through the arc blocks 12 on the two-way threaded rod 11, the two-way threaded rod 11 can be firstly provided with the pair of vertical rods 4, the concave part of the arc blocks 12 of the two-way threaded rod 11 is placed at the top position of the pipeline, other components are installed on the outer side wall of the pipeline, the positioning auxiliary installation effect is achieved, the two-way threaded rod 1 slides through the mouth-shaped blocks 13, when the device is installed on the outer surface of a pipeline, the mouth-shaped block 13 can be slid, the roller 15 on the mouth-shaped block 13 is abutted against the upper surface of the pipeline, the arc-shaped block 12 is separated from the surface of the pipeline, the device can slide on the pipeline through the action of the roller 15, the labor intensity of workers is reduced, the roller 15 is obliquely arranged on the L-shaped rod 14, the roller 15 can be better attached to the outer surface of the pipeline to slide forward when the roller 15 is obliquely installed on the L-shaped rod 14, the clamping rod 16 slides on the clamping through groove, the mouth-shaped block 13 can be slid to conveniently enable the arc-shaped plate 5 to abut against the surface of the pipeline when the device needs to be detected, the mouth-shaped block 13 can be slid back to the original position when the device needs to be detected, the mouth-shaped block 13 extends into the clamping groove 17 on the cross rod 1 through the clamping rod 16, the mouth-shaped block 13 is fixed on the cross rod 1, and the mouth-shaped block 13 is prevented from sliding on the cross rod 1 when the roller 15 moves on the pipeline.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. A pipe leak detector, characterized by: including horizontal pole (1), a pair of adjacent lateral wall of horizontal pole (1) all is equipped with T shape groove (2), T shape piece (3) have been placed to the cell wall of T shape groove (2), a set of adjacent lateral wall rigid coupling of T shape piece (3) has montant (4), the lateral wall rigid coupling of montant (4) has the connecting block, a pair of adjacent lateral wall of connecting block all rigid coupling has arc (5), the lateral wall of arc (5) is equipped with arc (6), arc (5) are transparent material, be equipped with on the cell wall of arc (6) sealed pad (7) just sealed pad (7) are located on the holding surface of arc (5), the lateral wall of arc (6) is equipped with water inlet (8), the lateral wall that arc (5) are close to both ends all is equipped with delivery port (9), a pair of be equipped with the mounting between the adjacent lateral wall of montant (4).

2. A pipe leak detector as defined in claim 1, wherein: the fixing piece comprises a bidirectional threaded rod (11), a pair of side walls of the vertical rods (4) close to two ends are respectively provided with a threaded through groove, and the groove walls of the threaded through grooves are connected with the bidirectional threaded rod (11) in a threaded manner.

3. A pipe leak detector as defined in claim 2, wherein: an arc-shaped block (12) is fixedly connected to the center of the bidirectional threaded rod (11).

4. A pipe leak detector as defined in claim 3, wherein: the outer side wall of the cross rod (1) is connected with symmetrically distributed opening-shaped blocks (13) in a sliding mode, L-shaped rods (14) are fixedly connected to the side walls of the two sides of each opening-shaped block (13), rollers (15) are fixedly connected to one end of each L-shaped rod (14), and clamping pieces are arranged on the side walls of the opening-shaped blocks (13).

5. A pipe leak detector as defined in claim 4, wherein: the rollers (15) are obliquely distributed on one end of the L-shaped rod (14).

6. A pipe leak detector as defined in claim 5, wherein: the clamping piece comprises a clamping rod (16), clamping through grooves are formed in the side wall of the opening-shaped block (13), symmetrically distributed clamping grooves (17) are formed in the side wall of the cross rod (1), the clamping rod (16) is connected to the groove walls of the clamping through grooves in a sliding mode, and the clamping rod (16) is matched with the clamping grooves (17).

7. A pipe leak detector as defined in claim 1, wherein: the transverse rod (1) is provided with a detector (10), and the detector (10) is positioned on one side of two arc plates (5) which are oppositely arranged.