CN218379011U - Gas leakage detector for long-distance natural gas pipeline - Google Patents
Gas leakage detector for long-distance natural gas pipeline Download PDFInfo
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- CN218379011U CN218379011U CN202221641905.3U CN202221641905U CN218379011U CN 218379011 U CN218379011 U CN 218379011U CN 202221641905 U CN202221641905 U CN 202221641905U CN 218379011 U CN218379011 U CN 218379011U
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- 239000007789 gas Substances 0.000 title claims abstract description 60
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 239000003345 natural gas Substances 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 description 5
- 239000003292 glue Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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Abstract
The utility model discloses a long defeated natural gas line gas leakage detector, it includes first pipeline and second pipeline, one side that first pipeline and second pipeline are close to each other all is fixed with the flange, and two flanges are fixed mutually through a plurality of first bolts, and one side that two flanges are close to each other all has glued first sealed the pad, the outside of first pipeline and second pipeline is provided with two arcs, and is provided with on two arcs and is used for fixing the fixed subassembly on first pipeline and second pipeline with the arc. Fix two arcs in the outside of first pipeline and second pipeline, then with the inside gas row of first gas guide pipe to the arc in, through observe the second disc inside can, need not let in the inside of first pipeline and second pipeline with gas all detectable between it leakproofness, arrange the inside of first pipeline and second pipeline with gas for current needs, it is more convenient that the device operates, and efficiency is higher.
Description
Technical Field
The utility model relates to a natural gas line detects technical field, especially relates to a long defeated natural gas line gas leakage detector.
Background
The natural gas pipeline refers to a pipeline for conveying natural gas from a mining place or a processing plant to an urban distribution center or an industrial enterprise user, and is also called a gas transmission pipeline. The gas transmission pipeline is assembled by connecting single pipes one by one, but the tightness between the pipes is very important, so that the natural gas leakage is avoided.
Consequently need detect the leakproofness between pipeline and the pipeline, but current pipeline leakproofness detection device observation effect is not obvious enough, need link to each other pipeline and external air-blower in addition before detecting, blows gas and carries out the pipeline, just can detect its leakproofness, and the process is complicated, and is inefficient.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
In view of this, the utility model aims at providing a long defeated natural gas line gas leakage detector, aim at solving the current pipe tightness detection device observation effect that provides in the background art and be inadequately obvious, need link to each other pipeline and external air-blower in addition before detecting, blow gas and carry out the pipeline, just can detect its leakproofness, the process is complicated, the problem of inefficiency.
(II) technical scheme
In order to achieve the technical purpose, the utility model provides a long distance natural gas pipeline gas leakage detector:
it includes first pipeline and second pipeline, one side that first pipeline and second pipeline are close to each other all is fixed with the flange, and two flanges are fixed mutually through a plurality of first bolts to one side that two flanges are close to each other all has the first sealed pad of veneer, the outside of first pipeline and second pipeline is provided with two arcs, and is provided with on two arcs and is used for fixing the fixed subassembly on first pipeline and second pipeline with the arc, the junction of first pipeline and second pipeline is located the inside of arc, and the top of one of them arc is provided with the detection mechanism who is used for detecting first pipeline and second pipeline junction leakproofness.
Preferably, the both sides of arc all are fixed with the closing plate, and the one side that two closing plates are close to each other all glues and is used for sealing up the second sealed pad in the first pipeline and the second pipeline outside in the arc.
Preferably, the fixed subassembly includes that two are fixed in the curb plate in the arc outside, and two curb plate symmetries set up, and the curb plate on two arcs is close to each other one side all the veneer has the third to seal up, and the curb plate that corresponds the setting on two arcs passes through the second screw rod and fixes mutually.
Preferably, the detection mechanism comprises a first air duct and a second air duct, the first air duct and the second air duct are both fixed to one of the arc-shaped plates and communicated with the other arc-shaped plate, an extrusion assembly for extruding the air in the first air duct into the arc-shaped plate is arranged in the first air duct, and a feedback unit for feeding back the sealing performance of the joint of the first pipeline and the second pipeline is arranged in the second air duct.
Preferably, the extrusion assembly comprises a first piston which is slidably connected to the inner side of the first air duct, and the middle part of the top end of the first piston is rotatably connected with a first cylindrical rod through a bearing.
Preferably, a rotating disc is fixed to the top of the first cylindrical rod, a first circular disc is fixed to the top of the rotating disc, internal threads are formed in the inner wall of the top of the first air guide pipe, external threads are formed in the outer side of the rotating disc, and the rotating disc is in threaded connection with the first air guide pipe.
Preferably, the feedback unit comprises a second piston slidably connected to the inside of the second gas guide tube, a second cylindrical rod is fixed in the middle of the top end of the second piston, and a second disc is fixed at the top of the second cylindrical rod.
Preferably, the inner wall of the second air duct is fixed with a limiting ring, the second cylindrical rod is in sliding fit in the limiting ring, the elastic part is sleeved on the outer side of the second cylindrical rod, and two sides of the elastic part are fixed with the bottom of the limiting ring and the top of the second piston respectively.
According to the technical scheme, the method has the following beneficial effects:
1: extrude the inside of the inside gas of first air duct to the arc, the inside gas of arc can get into the inside of second air duct and drive the second piston and shift up this moment, the second piston drives the second cylinder pole when shifting up, the second disc shifts up, then rotate first disc, make rolling disc and first air duct threaded connection, the inside of first air duct is fixed to first piston this moment, then observe the position of second disc, when the second disc is close to the second air duct, explain the leakproofness of first pipeline and second pipeline junction poor, when the second disc position remains unchanged, explain the leakproofness of first pipeline and second pipeline junction better, the device is convenient for observe.
2: fix two arcs in the outside of first pipeline and second pipeline, then with the inside gas row of first gas guide pipe to the arc in, through observe the second disc inside can, need not let in the inside of first pipeline and second pipeline with gas all detectable between it leakproofness, arrange the inside of first pipeline and second pipeline with gas for current needs, it is more convenient that the device operates, and efficiency is higher.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a gas leakage detector for a long-distance natural gas pipeline provided by the present invention;
fig. 2 is a schematic side view of a section structure of a gas leakage detector for a long-distance natural gas pipeline according to the present invention;
fig. 3 is an enlarged schematic view of a structure at a position a in fig. 1 according to the present invention;
fig. 4 is a schematic view of a front view partial section structure of a gas leakage detector for a long-distance natural gas pipeline provided by the present invention.
Description of the drawings: 1. a first pipe; 2. a second pipe; 3. a flange; 4. a first bolt; 5. a first gasket; 6. an arc-shaped plate; 7. a sealing plate; 8. a second gasket; 9. a first air duct; 10. a first piston; 11. a first cylindrical rod; 12. rotating the disc; 13. a first disc; 14. a second airway tube; 15. a second piston; 16. a second cylindrical rod; 17. a second disc; 18. a side plate; 19. a third gasket; 20. a second screw; 21. a limiting ring; 22. an elastic member.
Detailed Description
The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, identical or similar reference numerals indicate identical or similar parts and features. The drawings are only schematic representations of the concepts and principles of the embodiments of the disclosure, and do not necessarily show specific dimensions or proportions of the various embodiments of the disclosure. Certain features that are part of a particular figure may be exaggerated in order to illustrate relevant details or structures of embodiments of the present disclosure.
Referring to FIGS. 1-4:
example one
The utility model provides a long defeated natural gas line gas leakage detector, includes first pipeline 1 and second pipeline 2, and first pipeline 1 and second pipeline 2 one side that is close to each other all are fixed with flange 3, and two flanges 3 are fixed mutually through a plurality of first bolts 4 to one side that two flanges 3 are close to each other all is glued first sealed pad 5, and the outside of first pipeline 1 and second pipeline 2 is provided with two arcs 6.
Wherein, be provided with on two arcs 6 and be used for fixing the fixed subassembly on first pipeline 1 and second pipeline 2 with arcs 6, go up the inside that the junction of first pipeline 1 and second pipeline 2 is located arcs 6, the top of one of them arcs 6 is provided with the detection mechanism who is used for detecting first pipeline 1 and second pipeline 2 junction leakproofness, detection mechanism's setting can more audio-visual first pipeline 1 of detection and second pipeline 2 junction leakproofness.
Wherein, the both sides of arc 6 all are fixed with closing plate 7, and the one side that two closing plate 7 are close to each other all glues and is used for sealing up the sealed pad 8 of second in the first pipeline 1 and the 2 outsides of second pipeline in arc 6, detection mechanism includes first air duct 9 and second air duct 14, and first air duct 9 and second air duct 14 all with one of them arc 6 is fixed and communicate, the inside of first air duct 9 is provided with and is used for the inside gaseous extrusion subassembly of extruding first air duct 9 to arc 6, the inside of second air duct 14 is provided with the feedback unit that is used for feeding back first pipeline 1 and the leakproofness of second pipeline 2 junction.
It should be noted that the arrangement of the squeezing component can squeeze the gas in the first gas guide tube 9 to the inside of the first gas guide tube 6, and the arrangement of the feedback unit can more intuitively feed back the sealing performance of the joint of the first pipeline 1 and the second pipeline 2.
Example two
The utility model provides a long defeated natural gas pipeline gas leakage detector, its on embodiment one, fixed subassembly includes that two are fixed in the curb plate 18 in the arc 6 outside, and two curb plates 18 symmetry sets up, and the curb plate 18 on two arcs 6 one side that is close to each other all glues there is the sealed 19 of third packing, and the curb plate 18 that corresponds the setting on two arcs 6 passes through second screw rod 20 and fixes mutually.
It should be noted that the arrangement of the second gasket 8 and the third gasket 19 ensures the sealing performance between the arc-shaped plate 6 and the first and second pipelines 1 and 2.
Specifically, the extrusion subassembly includes sliding connection in the inside first piston 10 of first air duct 9, and the middle part on first piston 10 top is connected with first cylinder pole 11 through the bearing rotation, and the top of first cylinder pole 11 is fixed with rolling disc 12, and the top of rolling disc 12 is fixed with first disc 13, and the inner wall at first air duct 9 top is equipped with the internal thread, and the outside of rolling disc 12 is equipped with the external screw thread, rolling disc 12 and first air duct 9 threaded connection.
It should be noted that, due to the threaded connection between the rotating disc 12 and the first air duct 9, after the first piston 10 extrudes the gas inside the first air duct 9 to the inside of the arc-shaped plate 6, the first disc 13 is rotated, so that the first disc 13 drives the rotating disc 12 to rotate, that is, the rotating disc 12 and the first air duct 9 are fixed, so that the first piston 10 is fixed.
In addition, the feedback unit comprises a second piston 15 slidably connected inside the second air duct 14, a second cylindrical rod 16 is fixed at the middle of the top end of the second piston 15, and a second disc 17 is fixed at the top of the second cylindrical rod 16.
It should be noted that the outer side of the first disk 13 is provided with anti-slip threads, and the diameter of the first disk 13 is larger than that of the first air duct 9, so that the operator can rotate the first disk 13 more conveniently.
In addition, a limiting ring 21 is fixed on the inner wall of the second air duct 14, the second cylindrical rod 16 is in sliding fit with the inside of the limiting ring 21, an elastic member 22 is sleeved on the outer side of the second cylindrical rod 16, and two sides of the elastic member 22 are respectively fixed with the bottom of the limiting ring 21 and the top of the second piston 15.
It should be noted that the elastic member 22 may be a spring or the like, and when the gas inside the arc-shaped plate 6 enters the inside of the second airway tube 14, the elastic member 22 is compressed.
The working principle is as follows: the outer sides of the first pipeline 1 and the second pipeline 2 are sleeved with the two arc-shaped plates 6, the joint of the first pipeline 1 and the second pipeline 2 is located inside the arc-shaped plates 6, then the second screw 20 is rotated, two corresponding side plates 18 are fixed, namely, the two arc-shaped plates 6 are fixed on the outer sides of the first pipeline 1 and the second pipeline 2, then the first cylindrical rod 11 is pressed downwards, the first piston 10 is driven to move when the first cylindrical rod 11 moves downwards, the first piston 10 extrudes the gas inside the first gas guide tube 9 to the inner side of the arc-shaped plates 6, at the moment, the gas inside the arc-shaped plates 6 can enter the inner portion of the second gas guide tube 14 and drive the second piston 15 to move upwards, the second piston 15 drives the second cylindrical rod 16 and the second disk 17 to move upwards, then the first disk 13 is rotated, the rotating disk 12 and the first gas guide tube 9 are in threaded connection, at the moment, the first piston 10 is fixed inside the first gas guide tube 9, when the joint of the first pipeline 1 and the second disk 2 is connected, the gas guide tube 6 can move downwards from the inner portion of the second pipeline 1 to the second disk 17, the inner portion of the second gas guide tube 2 and the second gas guide tube 17, and the second piston 17 can not move downwards, and the elastic connection portion of the second pipeline 1 and the second pipeline 2, at the elastic connecting portion 22 can keep the elastic connection between the elastic pipeline 17.
Exemplary embodiments of the proposed solution of the present disclosure have been described in detail above with reference to preferred embodiments, however, it will be understood by those skilled in the art that many variations and modifications may be made to the specific embodiments described above, and that many combinations of the various technical features and structures presented in the present disclosure may be made without departing from the concept of the present disclosure, without departing from the scope of the present disclosure, which is defined by the appended claims.
Claims (8)
1. The utility model provides a long defeated natural gas pipeline gas leakage detector, includes first pipeline (1) and second pipeline (2), its characterized in that, first pipeline (1) and second pipeline (2) one side that is close to each other all is fixed with flange (3), and two flanges (3) are fixed mutually through a plurality of first bolt (4) to one side that two flanges (3) are close to each other all has glued first sealed pad (5), the outside of first pipeline (1) and second pipeline (2) is provided with two arcs (6), and is provided with on two arcs (6) and is used for fixing the fixed subassembly on first pipeline (1) and second pipeline (2) with arc (6), the junction of first pipeline (1) and second pipeline (2) is located the inside of arc (6), and the top of one of them arc (6) is provided with the detection mechanism that is used for detecting the leakproofness of the junction of first pipeline (1) and second pipeline (2).
2. The gas leakage detector for the long-distance natural gas pipeline according to claim 1, characterized in that sealing plates (7) are fixed on both sides of the arc-shaped plate (6), and a second sealing gasket (8) for sealing the arc-shaped plate (6) outside the first pipeline (1) and the second pipeline (2) is glued on one side of the two sealing plates (7) close to each other.
3. The gas leakage detector for the long-distance natural gas pipeline according to claim 1, wherein the fixing assembly comprises two side plates (18) fixed on the outer sides of the arc-shaped plates (6), the two side plates (18) are symmetrically arranged, a third sealing gasket (19) is glued on one side, close to each other, of the side plates (18) on the two arc-shaped plates (6), and the side plates (18) correspondingly arranged on the two arc-shaped plates (6) are fixed through second screws (20).
4. The gas leakage detector for the long-distance natural gas pipeline according to claim 1, wherein the detection mechanism comprises a first gas guide pipe (9) and a second gas guide pipe (14), the first gas guide pipe (9) and the second gas guide pipe (14) are both fixed to and communicated with one of the arc-shaped plates (6), an extrusion assembly for extruding gas inside the first gas guide pipe (9) into the arc-shaped plate (6) is arranged inside the first gas guide pipe (9), and a feedback unit for feeding back the sealing performance of the joint of the first pipeline (1) and the second pipeline (2) is arranged inside the second gas guide pipe (14).
5. The long-distance natural gas pipeline gas leakage detector according to claim 4, wherein the squeezing assembly comprises a first piston (10) slidably connected inside the first gas guide pipe (9), and a first cylindrical rod (11) is rotatably connected to the middle of the top end of the first piston (10) through a bearing.
6. The gas leakage detector for the long-distance natural gas pipeline according to claim 5, characterized in that a rotating disc (12) is fixed at the top of the first cylindrical rod (11), a first disc (13) is fixed at the top of the rotating disc (12), internal threads are arranged on the inner wall of the top of the first gas guide pipe (9), external threads are arranged on the outer side of the rotating disc (12), and the rotating disc (12) is in threaded connection with the first gas guide pipe (9).
7. The long-distance natural gas pipeline leakage detector according to claim 4, wherein the feedback unit comprises a second piston (15) slidably connected inside the second gas guide pipe (14), a second cylindrical rod (16) is fixed in the middle of the top end of the second piston (15), and a second disc (17) is fixed on the top of the second cylindrical rod (16).
8. The gas leakage detector for the long-distance natural gas pipeline according to claim 7, wherein a limiting ring (21) is fixed on the inner wall of the second gas guide pipe (14), the second cylindrical rod (16) is in sliding fit with the inside of the limiting ring (21), an elastic member (22) is sleeved on the outer side of the second cylindrical rod (16), and two sides of the elastic member (22) are respectively fixed with the bottom of the limiting ring (21) and the top of the second piston (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221641905.3U CN218379011U (en) | 2022-06-28 | 2022-06-28 | Gas leakage detector for long-distance natural gas pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221641905.3U CN218379011U (en) | 2022-06-28 | 2022-06-28 | Gas leakage detector for long-distance natural gas pipeline |
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| Publication Number | Publication Date |
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| CN218379011U true CN218379011U (en) | 2023-01-24 |
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| CN202221641905.3U Active CN218379011U (en) | 2022-06-28 | 2022-06-28 | Gas leakage detector for long-distance natural gas pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120799350A (en) * | 2025-09-12 | 2025-10-17 | 山东汇海检测科技有限公司 | Gas leakage detection device for gas detection |
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2022
- 2022-06-28 CN CN202221641905.3U patent/CN218379011U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120799350A (en) * | 2025-09-12 | 2025-10-17 | 山东汇海检测科技有限公司 | Gas leakage detection device for gas detection |
| CN120799350B (en) * | 2025-09-12 | 2025-12-02 | 山东汇海检测科技有限公司 | A gas leak detection device for gas detection |
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