CN215951133U

CN215951133U - Natural gas line leakage detection device

Info

Publication number: CN215951133U
Application number: CN202120981136.0U
Authority: CN
Inventors: 伍伟伦; 刘田毅; 于跃
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2022-03-04
Anticipated expiration: 2031-05-10

Abstract

The utility model provides a natural gas pipeline leakage detection device, comprising: a pipe body; the fixing rings are fixedly arranged on two sides of the pipeline main body; the fixed box is fixedly arranged at the top of the fixed ring; control structure, control structure fixed mounting in the inside of fixed box, control structure includes the spout, the inside sliding connection of spout has the slider, the top of slider and for being provided with the spring with the inside of spout, the left side fixedly connected with gasbag of slider, the top fixed mounting of gasbag has the touch head, and the inside top fixed mounting of fixed box has alarm switch. The natural gas pipeline leakage detection device provided by the utility model can effectively detect natural gas and send out an alarm to the outside, so that the detection maneuverability of the natural gas is improved, and the phenomenon that the leakage cannot be found in time when a worker detects the pipeline at regular time is avoided.

Description

Natural gas line leakage detection device

Technical Field

The utility model relates to the field of natural gas, in particular to a natural gas pipeline leakage detection device.

Background

The natural gas refers to all gases naturally existing in nature, including gases formed in various natural processes in an atmospheric space, a water space and a rock space, and includes oil field gas, gas field gas, mud volcanic gas, coal bed gas, biogenetic gas and the like.

With the increasing importance of fuel gas in life, people pay more and more attention to the safety and environmental protection of the fuel gas pipeline, the pipeline for conveying the natural gas is very important, and whether leakage occurs in the pipeline needs to be detected regularly.

The problem of tightness of joints among pipelines is a common natural gas leakage factor, and workers are required to sequentially detect at a plurality of pipeline joints, so that the working efficiency is low, and the time and the labor are consumed.

Therefore, it is necessary to provide a natural gas pipeline leakage detecting device to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a natural gas pipeline leakage detection device, which solves the problem of low working efficiency when workers are required to sequentially detect natural gas in a plurality of natural gas pipeline joints.

In order to solve the above technical problem, the present invention provides a natural gas pipeline leakage detection device, including: a pipe body;

the fixing rings are fixedly arranged on two sides of the pipeline main body;

the fixed box is fixedly arranged at the top of the fixed ring;

control structure, control structure fixed mounting in the inside of fixed box, control structure includes the spout, the inside sliding connection of spout has the slider, the top of slider and for with the inside of spout is provided with the spring, the left side fixedly connected with gasbag of slider, the top fixed mounting of gasbag has the touch head, the inside top fixed mounting of fixed box has alarm switch.

Preferably, the left side of the fixed tank is provided with an air release valve.

Preferably, an air pressure detection meter is fixedly mounted on the right side of the fixed box.

The air pressure in the air pressure detection meter is displayed in real time, so that workers who regularly detect the pipeline main bodies can perform more visual sealing at the joints between the pipeline main bodies, when the air pressure is larger than a set value, the joints between the pipeline main bodies need to be detected, and when the air pressure is smaller than the set value, the air bag needs to be replaced or repaired.

Preferably, an audible and visual alarm is fixedly mounted at the top of the fixed box.

Through two different alarms of reputation that the acousto-optic alarm sent, can better help the staff in daytime or night carry out the position and look for to reduce the position that the staff looked for the pipeline junction, thereby improved work efficiency.

Preferably, the two sides of the pipeline main body are fixedly provided with connecting blocks, and the inner sides of the connecting blocks are fixedly provided with closed structures.

Preferably, the closed structure comprises a threaded rod, thread blocks are sleeved on the surfaces of the two sides of the threaded rod, and a control block is fixedly connected to the top of each thread block.

Preferably, the right end of the threaded rod is fixedly provided with a first gear, the top of the first gear is meshed with a second gear, and the right side of the second gear is fixedly provided with a rotating handle.

Preferably, sealing rings are fixedly mounted on two sides of the pipeline main body and positioned on the inner side of the connecting block.

Compared with the related art, the natural gas pipeline leakage detection device provided by the utility model has the following beneficial effects:

the utility model provides a natural gas pipeline leakage detection device, which is characterized in that the air pressure in an air bag in a control structure is increased due to the leakage of natural gas, so that a sliding block is driven to move in a sliding groove by expansion, and a contact head is pushed to move upwards until the contact head is contacted with an alarm switch, so that an audible and visual alarm is triggered to give an alarm, the natural gas can be effectively detected, the alarm is given to the outside, the detection maneuverability of the natural gas is improved, and the phenomenon that the leakage cannot be found in time when a worker detects the pipeline at regular time is avoided.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of a natural gas pipeline leakage detection device provided by the utility model;

FIG. 2 is a schematic view of the overall three-dimensional structure shown in FIG. 1;

FIG. 3 is a schematic view of the right side structure shown in FIG. 1;

fig. 4 is a schematic structural diagram of a natural gas pipeline leakage detection apparatus according to a second embodiment of the present invention;

FIG. 5 is a schematic view of the overall three-dimensional structure shown in FIG. 4;

fig. 6 is a schematic view of the top portion of fig. 4.

Reference numbers in the figures: 1. pipe body

2. Fixing ring

3. Fixing box

4. A control structure 41, a sliding groove 42, a sliding block 43, a spring 44, an air bag 45, a touch head 46, an alarm switch,

6. air escape valve, 7, air pressure detecting meter, 8, sound and light alarm

9. Connecting block

10. Sealing structure 101, threaded rod 102, threaded block 103, control block 104 and first gear

11. Second gear, 12, rotating handle

13. And (4) a sealing ring.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

First embodiment

Referring to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic structural diagram of a natural gas pipeline leakage detection apparatus according to a first embodiment of the present invention; FIG. 2 is a schematic view of the overall three-dimensional structure shown in FIG. 1; fig. 3 is a schematic view of the right side structure shown in fig. 1. A natural gas pipeline leak detection apparatus comprising: a pipe main body 1;

the fixing rings 2 are fixedly arranged on two sides of the pipeline main body 1;

the fixed box 3 is fixedly arranged at the top of the fixed ring 2;

control structure 4, control structure 4 fixed mounting in the inside of fixed box 3, control structure 4 includes spout 41, the inside sliding connection of spout 41 has slider 42, slider 42's top and for with the inside of spout 41 is provided with spring 43, slider 42's left side fixedly connected with gasbag 44, the top fixed mounting of gasbag 44 has touch head 45, the inside top fixed mounting of fixed box 3 has alarm switch 46.

The sliding grooves 41 are formed in the inner walls of the two sides of the inside of the fixed box 3.

And an air release valve 6 is arranged on the left side of the fixed box 3.

The two sides of the fixed box 3 are fixedly provided with first rubber pads, the bottom of each first rubber pad is provided with a second rubber pad, and the second rubber pads are fixedly arranged at the tops of the fixed rings 2.

And an air pressure detection meter 7 is fixedly arranged on the right side of the fixed box 3.

The detection connection line in the air pressure detection gauge 7 is provided inside the air bag 44.

And an acousto-optic alarm 8 is fixedly arranged at the top of the fixed box 3.

The working principle of the natural gas pipeline leakage detection device provided by the utility model is as follows:

the fixed box 3 is fixedly installed with the top of the fixed ring 2 through bolts, when natural gas leakage occurs, the air bag 44 in the control structure is filled with the natural gas, so that the air pressure in the air bag 44 is continuously increased, meanwhile, the air pressure value in the air bag 44 is detected in real time through the air pressure detection table 7, the air bag 44 is expanded due to the continuous increase of the air pressure in the air bag 44, the sliding block 42 is pushed to move upwards in the sliding groove 41, the spring 43 is squeezed, the contact head 45 is driven by the expansion of the air bag 44 to move upwards, when the air bag 44 is expanded to a set value, the contact head 45 is contacted with the alarm switch 46, so that the alarm switch 56 is triggered, the audible and visual alarm 8 is triggered, an audible and visual alarm is sent, and the leakage information of the natural gas is transmitted to the outside.

When the worker solves the problem of natural gas leakage, the worker manually opens the release valve 6 to discharge the natural gas inside the air bag 44, so that the air bag 44 is prompted to be restored to the original shape, and the air pressure detection gauge 7 is prompted to be restored to the original shape.

the leakage through the natural gas leads to the inside atmospheric pressure of gasbag 44 among the control structure 4 to improve, thereby the inflation drives slider 42 and removes in the inside of spout 41, it upwards moves until touch 45 and alarm switch 46 contact to push away touch 45 simultaneously, thereby trigger acousto-optic alarm 8 and send out the police dispatch newspaper, can be effectual to the detection of natural gas, and outside alarm, thereby the detection mobility to the natural gas has been improved, thereby avoid the staff to appear leaking unable in time and discover in the time that regularly detects the pipeline.

Second embodiment

Referring to fig. 4, 5 and 6, a second embodiment of the present application provides another natural gas pipeline leakage detection apparatus based on a natural gas pipeline leakage detection apparatus provided in the first embodiment of the present application. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

Specifically, the difference that a natural gas line leakage detection device that the second embodiment of this application provided lies in, a natural gas line leakage detection device, the equal fixed mounting in both sides of pipeline main part 1 has connecting block 9, the inboard fixed mounting of connecting block 9 has enclosed construction 10.

The closed structure 10 comprises a threaded rod 101, thread blocks 102 are sleeved on the surfaces of two sides of the threaded rod 101, and a control block 103 is fixedly connected to the tops of the thread blocks 102.

The number of the closed structures 10 is two.

The surface of the threaded rod 101 is provided with two opposite threads, which are adapted to said threaded block 102.

The control blocks 103 are hollow and two in number, and the inner sides of the two control blocks 103 are provided with sealing gaskets which are matched with the sealing rings 13.

A first gear 104 is fixedly mounted at the right end of the threaded rod 101, a second gear 11 is meshed at the top of the first gear 104, and a rotating handle 12 is fixedly mounted at the right side of the second gear 11.

And sealing rings 13 are fixedly arranged on the two sides of the pipeline main body 1 and positioned on the inner sides of the connecting blocks 9.

when natural gas leaks, rotate handle 12 through the manual rotation of staff, make and rotate handle 12 and rotate, thereby drive second gear 11 and rotate, second gear 11's rotation drives and rotates rather than the first gear 104 of meshing, thereby drive threaded rod 101 and rotate, the rotation of rethread threaded rod 101 drives two screw blocks 102 and removes with relative direction, rethread screw block 102's removal drives control block 103 and removes, the sealed pad that sets up until control block 103 inboard contacts and extrudes sealing ring 13 with the sealing ring 13 of fixing in pipeline main part 1 both sides, thereby both sides control block 103 merges and forms a sealed space together this moment, seal the junction between pipeline main part 1 closed, make the unable leakage of natural gas outside.

rotate handle 12 through manual rotation, thereby drive second gear 11 and first gear 104 and threaded rod 101 and rotate, the rotation of threaded rod 101 makes two screw thread blocks 102 remove with relative direction, thereby the inboard that drives both sides control block 103 contacts and extrudees with sealing ring 13, thereby seal the junction between pipeline main part 1, thereby solve the problem of natural gas temporarily, can help the staff extension to restore the leakage time of pipeline main part 1, the economic loss that the leakage of natural gas caused can be reduced simultaneously.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A natural gas pipeline leak detection device, comprising: a pipe body;

the fixing rings are fixedly arranged on two sides of the pipeline main body;

the fixed box is fixedly arranged at the top of the fixed ring;

2. The natural gas pipeline leakage detecting apparatus of claim 1, wherein a release valve is provided at a left side of the fixing tank.

3. The natural gas pipeline leakage detecting device according to claim 1, wherein an air pressure detecting gauge is fixedly installed on the right side of the fixing box.

4. The natural gas pipeline leakage detecting device of claim 1, wherein an acousto-optic alarm is fixedly mounted on the top of the fixing box.

5. The natural gas pipeline leakage detection device of claim 1, wherein connecting blocks are fixedly mounted on two sides of the pipeline main body, and a sealing structure is fixedly mounted on the inner side of each connecting block.

6. The natural gas pipeline leakage detection device of claim 5, wherein the sealing structure comprises a threaded rod, threaded blocks are sleeved on the surfaces of two sides of the threaded rod, and a control block is fixedly connected to the tops of the threaded blocks.

7. The natural gas pipeline leakage detection device of claim 6, wherein a first gear is fixedly mounted at the right end of the threaded rod, a second gear is meshed with the top of the first gear, and a rotating handle is fixedly mounted at the right side of the second gear.

8. The natural gas pipeline leakage detection device of claim 5, wherein sealing rings are fixedly mounted on two sides of the pipeline main body and positioned on the inner side of the connecting block.