CN217875360U

CN217875360U - Gas leakage detection device based on natural gas pipeline transportation

Info

Publication number: CN217875360U
Application number: CN202222347460.4U
Authority: CN
Inventors: 董浩川
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2022-11-22
Anticipated expiration: 2032-09-05

Abstract

The utility model discloses a based on natural gas line carries leakage detecting device relates to pipeline leakage detection technical field, has solved natural gas line and has spilt the natural gas and mix dissipation around and wind-force blows the skew and lead to the lower problem of detection efficiency. The gas leakage detection device based on natural gas pipeline transportation comprises an upper sealing ring piece; the upper sealing ring piece is fixedly connected with a corrugated pipe fitting; an upper detection pipe fitting is arranged at the rear part of the corrugated pipe fitting; the tail end of the upper sealing ring piece is connected with a rotating shaft of the lower sealing ring piece, an upper rotating ring is arranged in a groove in the front of the upper sealing ring piece in a sliding mode, a lower rotating ring is arranged in a groove in the front of the lower sealing ring piece in a sliding mode, and the upper rotating ring is connected with a rotating shaft at the tail end of the lower rotating ring. The utility model discloses corrugated pipe spare surrounds and constitutes in natural gas line's the outside and surrounds natural gas line isolation space, enters into outside isolation space after the natural gas line leaks gas in, and the natural gas of avoiding revealing is to loss around.

Description

Gas leakage detection device based on natural gas pipeline transportation

Technical Field

The utility model belongs to the technical field of the pipeline leakage detection, more specifically says, in particular to carries leakage detection device based on natural gas line.

Background

The natural gas pipeline is a pipeline for conveying natural gas, natural gas is conveyed to a user home through the natural gas pipeline, the condition of gas leakage can occur in the natural gas pipeline conveying process, and the pipeline is maintained by detecting a gas leakage point in the natural gas pipeline conveying process.

The existing natural gas pipeline gas leakage detection is to detect the content of natural gas around the natural gas pipeline transmission outside the natural gas pipeline through gas detection equipment, if the gas leakage amount in the natural gas pipeline transmission is slight, the natural gas leakage is easy to dissipate quickly and mixedly, the range is expanded while the concentration is quickly reduced, a gas leakage point is difficult to determine, and due to the influence of wind blowing deviation, a large amount of time is needed for repeated detection to determine a gas leakage position, and the gas leakage detection efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a based on natural gas line carries gas leakage detection device, go up sealed ring spare and the inboard and pipeline contact of sealed ring spare down, constitute and surround natural gas line isolation space, enter into outside isolation space behind the natural gas line gas leakage in, the natural gas of avoiding revealing is to loss on every side, and the sensitivity of leakage quantity is leaked to lower natural gas to the reinforcing, reduces the influence that outside wind blows to gas leakage detection.

The utility model discloses based on natural gas line carries gas leakage detection device's purpose and efficiency, by following concrete technical means reach:

the gas leakage detection device based on natural gas pipeline transmission comprises an upper sealing ring piece; the tail end of the upper sealing ring piece is connected with a tail end rotating shaft of the lower sealing ring piece, an upper rotating ring is arranged in a groove in the front of the upper sealing ring piece in a sliding manner, a lower rotating ring is arranged in a groove in the front of the lower sealing ring piece in a sliding manner, the tail end of the upper rotating ring is connected with the rotating shaft at the tail end of the lower rotating ring, an outer screw rod is arranged in the front of each of the upper sealing ring piece and the lower sealing ring piece in a penetrating and screwing manner, the bottom end of the outer screw rod is connected with an outer fixing block in a nesting and rotating manner, the upper sealing ring piece and the lower sealing ring piece are of a semi-circular structure, magnetic blocks with opposite magnetic poles are arranged at the head ends of the upper sealing ring piece and the lower sealing ring piece, the upper sealing ring piece and the lower sealing ring piece are connected in an adsorption manner, the upper sealing ring piece and the lower sealing ring piece are conveniently unfolded and arranged outside the natural gas pipeline, through holes are arranged in a penetrating manner at intervals, the upper rotating ring and the lower rotating ring are arranged in a penetrating manner, a circular structure is formed by the upper rotating ring and the lower rotating ring; the rear part of the upper sealing ring piece is fixedly connected with a corrugated pipe piece, the rear part of the lower sealing ring piece is fixedly connected with the corrugated pipe piece, the corrugated pipe piece is in a C-shaped flexible and telescopic corrugated pipe structure made of rubber, and a C-shaped opening of the corrugated pipe piece is aligned with the joint of the head ends of the upper sealing ring piece and the lower sealing ring piece; the utility model discloses a pipeline detection device, including corrugated pipe spare, last detection pipe spare rear portion is provided with the detection pipe spare, go up detection pipe spare tail end pivot connection detection pipe spare tail end under, go up and connect balladeur train tail end pivot connection under and, go up and connect the balladeur train tail end with the middle part sliding connection who detects the balladeur train tail end down, it all with last connection balladeur train under with the detection pipe spare to detect the pipe spare, it all is provided with the inspection hole with the middle part sliding connection who connects the balladeur train under with to detect the pipe spare, it all is provided with the magnetic path that the magnetic pole is opposite with the head end of detecting the pipe spare under with to detect the head end of pipe spare all to detect the pipe spare under with to detect the pipe spare, it all is provided with the magnetic path that the magnetic pole is opposite with the head end junction of connecting the balladeur train under with to detect the head end of balladeur train under with to connect on to connect the balladeur train, it aligns with the head end junction of connecting the balladeur train under with to connect on, conveniently expand the outside at the natural gas line, it forms the closed ring structure with detecting the closed constitution of the balladeur train with connecting under with to detect on to detect the both sides of pipe spare, it is fixed all symmetrical being provided with the balladeur train to connect the both sides of connecting the balladeur train down.

The utility model discloses at least, include following beneficial effect:

1. the utility model discloses an go up seal ring spare and corrugated pipe spare and last detection tube spare suit in natural gas line's outside, corrugated pipe spare surrounds in natural gas line's the outside, go up seal ring spare and the inboard and the contact of pipeline laminating of lower seal ring spare, the component surrounds natural gas line isolation space, enter into outside isolation space after the natural gas line leaks gas in, the natural gas of avoiding revealing is to loss on every side, the reinforcing is to the sensitivity of lower natural gas leakage quantity, reduce the influence of outside blowing to gas leakage detection, avoid lower leakage quantity directly to scatter and disappear on every side air, lead to the condition of check-out time extension, accelerate gas leakage detection's speed, improve gas leakage detection efficiency.

2. The utility model discloses an go up the detection pipe fitting and carry out the position through compression or extension corrugated pipe spare and remove, conveniently carry out the definite of gas leakage point to the different positions of pipeline, through last detection pipe spare with detect the pipe fitting down and carry out the circumferential direction around the pipeline, carry out further definite to pipeline gas leakage point position, the perforating hole is convenient to empty the inside remaining gas of corrugated pipe spare fast after detecting finishing, uses safelyr.

Drawings

Fig. 1 is a schematic diagram of the three-dimensional structure of the present invention.

Fig. 2 is the utility model discloses go up and detect pipe fitting section structure sketch map.

Fig. 3 is a schematic structural view of the upper seal ring of the present invention.

Fig. 4 is a schematic view of the split structure of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. an upper seal ring; 101. a lower seal ring; 102. an upper swivel; 103. a lower swivel; 104. an outer screw rod; 105. an outer fixed block; 106. a through hole; 2. a bellows member; 3. detecting the pipe fitting; 301. detecting a pipe fitting; 302. an upper connecting carriage; 303. a lower connecting carriage; 304. and (6) detecting holes.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "side," "top," "inner," "front," "center," "two end," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," "fixed," and "screwed" are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Example (b):

as shown in figures 1 to 4:

the utility model provides a gas leakage detection device based on natural gas pipeline transportation, which comprises an upper sealing ring piece 1; the tail end of an upper seal ring member 1 is connected with the tail end of a lower seal ring member 101 through a rotating shaft, an upper rotating ring 102 is arranged in a groove in the front of the upper seal ring member 1 in a sliding mode, a lower rotating ring 103 is arranged in a groove in the front of the lower seal ring member 101 in a sliding mode, the tail end of the upper rotating ring 102 is connected with the tail end of the lower rotating ring 103 in a rotating mode, an outer screw rod 104 is arranged in the front of the upper seal ring member 1 and the front of the lower seal ring member 101 in a penetrating and threaded mode, the bottom end of the outer screw rod 104 is connected with an outer fixing block 105 in a nested and rotating mode, the outer screw rod 104 axially moves along spiral lines by rotating the outer screw rod 104, the outer screw rod 104 pushes the bottom of the outer fixing block 105 to be tightly attached to the outside of a natural gas pipeline to be fixed in position, the upper seal ring member 1 and the lower seal ring member 101 are both in a semi-circular structure, and the upper seal ring member 1 and the lower seal ring member 101 form a circular structure, the magnetic blocks with opposite magnetic poles are arranged at the head ends of the upper sealing ring member 1 and the lower sealing ring member 101, the head ends of the upper sealing ring member 1 and the lower sealing ring member 101 are in adsorption connection, and are conveniently unfolded and installed outside a natural gas pipeline, the upper sealing ring member 1 and the lower sealing ring member 101 are provided with through holes 106 at intervals in a penetrating manner, the upper rotating ring 102 and the lower rotating ring 103 form a circular structure, the upper rotating ring 102 and the lower rotating ring 103 slide circumferentially along the front grooves of the upper sealing ring member 1 and the lower sealing ring member 101, the upper rotating ring 102, the lower rotating ring 103, the upper sealing ring 1 and the through holes 106 arranged on the lower sealing ring member 101 are aligned and kept to be communicated, the through holes 106 are convenient for compressing the corrugated pipe member 2 to quickly evacuate residual gas in the corrugated pipe member 2 after detection is finished, and the use is safer; the rear part of the upper sealing ring piece 1 is fixedly connected with a corrugated pipe piece 2, the rear part of the lower sealing ring piece 101 is fixedly connected with the corrugated pipe piece 2, the corrugated pipe piece 2 is in a C-shaped flexible and telescopic corrugated pipe structure made of rubber, a C-shaped opening of the corrugated pipe piece 2 is aligned with the joint of the head ends of the upper sealing ring piece 1 and the lower sealing ring piece 101, and the flexible corrugated pipe piece 2 is sleeved outside the natural gas pipeline along with the rotation of the upper sealing ring piece 1 to enlarge the opening;

the 2 rear portions of bellows spare are provided with and detect pipe fitting 3, on detect pipe fitting 3 tail end pivot connection and detect pipe fitting 301 tail end down, on connect balladeur train 302 tail end and connect balladeur train 303 tail end pivot connection down, on detect pipe fitting 3 and detect pipe fitting 301 down all with on connect the middle part sliding connection of balladeur train 302 with connect balladeur train 303 down, on detect the pipe fitting 3 middle part and run through and be provided with detection hole 304, gaseous check out test set will detect the head through detection hole 304 and stretch into the gas detection that leaks gas around the inner pipe.

Referring to fig. 2 and 4, magnetic blocks with opposite magnetic poles are arranged at the head ends of the upper detection pipe 3 and the lower detection pipe 301, the upper detection pipe 3 and the head end magnetic block of the lower detection pipe 301 are in adsorption connection, magnetic blocks with opposite magnetic poles are arranged at the head ends of the upper connection carriage 302 and the lower connection carriage 303, a C-shaped opening of the corrugated pipe 2 and a joint between the upper detection pipe 3 and the head end of the lower detection pipe 301 are aligned with each other, and the joint between the head ends of the upper connection carriage 302 and the lower connection carriage 303 is aligned with each other, so that the upper detection pipe 3 and the lower detection pipe 301 are closed to form a circular ring structure, the upper connection carriage 302 and the lower connection carriage 303 are closed to form a circular ring structure, the corrugated pipes 2 are symmetrically and fixedly arranged at two sides of the upper connection carriage 302 and the lower connection carriage 303, the corrugated pipe 2 is compressed or extended through the upper detection pipe 3 to perform axial position movement, determination of different positions of the gas leakage points of the pipeline is conveniently performed, and the further determination of the position of the gas leakage point of the pipeline through the sliding of the sliding connection carriage 303 around the sliding of the upper detection pipe 3 and the lower detection carriage 301 and the lower connection carriage 302 and the lower connection carriage 303.

The specific use mode and function of the embodiment are as follows:

in the utility model, the natural gas pipeline keeps a gas conveying state, the upper sealing ring piece 1, the corrugated pipe piece 2 and the upper detection pipe piece 3 are sleeved outside a possible gas leakage pipeline section position when the natural gas pipeline is conveyed, the corrugated pipe piece 2 is surrounded outside the natural gas pipeline, the inner sides of the upper sealing ring piece 1 and the lower sealing ring piece 101 are contacted with the pipeline to surround the side surface of the corrugated pipe piece 2, the corrugated pipe piece 2 and the upper sealing ring piece 1 and the lower sealing ring piece 101 on the two sides form an isolation space surrounding the outer side of the natural gas conveying pipeline, the isolation space is not completely closed and is only convenient for detecting the diffusion speed of gas leakage natural gas, the outer screw rod 104 axially moves along spiral lines by rotating the outer screw rod 104, the outer screw rod 104 pushes the bottom of the outer fixing block 105 to be tightly attached to the outside of the natural gas pipeline to fix the position, the gas detection equipment extends a detection head into the periphery of an internal pipeline through a detection hole 304 to perform gas detection of gas leakage, the upper rotating ring 102, the lower rotating ring 103, the through holes 106 formed in the upper sealing ring 1 and the lower sealing ring 101 are staggered and no longer in a through state by rotating the upper rotating ring 102 and the lower rotating ring 103, the natural gas pipeline enters an external isolation space formed by the corrugated pipe fitting 2 and the upper sealing ring 1 and the lower sealing ring 101 on two sides after gas leakage, leakage natural gas is prevented from escaping to the periphery, the influence of external wind on gas leakage detection is reduced, the sensitivity to low natural gas leakage amount is enhanced, the direct loss of the peripheral air due to the low leakage amount is avoided, the detection time is prolonged, the gas leakage detection speed is accelerated, and the gas leakage detection efficiency is improved;

carry out axial position removal through last detection pipe fitting 3 through compression or extension bellows part 2, the convenience carries out the definite of gas leakage point to the different positions of pipeline, through last detection pipe fitting 3 with detect pipe fitting 301 down and connect the slip of balladeur train 302 and lower connection balladeur train 303 to carry out the rotation in a circumferential direction around the pipeline, carry out further definite to pipeline gas leakage point position, go up the aligning of change ring 102 and change ring 103 and last seal ring 1 and the through-hole 106 that seal ring 101 set up down and keep lining up, through-hole 106 is convenient to empty the inside residual natural gas mixture of bellows part 2 fast after the detection finishes, it is safer to use.

The details of the present invention are not described in detail, but are well known to those skilled in the art.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. Based on natural gas line carries gas leakage detection device, its characterized in that: the natural gas pipeline conveying air leakage detection device comprises an upper sealing ring piece (1); the upper sealing ring piece (1) is fixedly connected with a corrugated pipe piece (2); an upper detection pipe fitting (3) is arranged at the rear part of the corrugated pipe fitting (2); the tail end of the upper sealing ring piece (1) is connected with a rotating shaft of the lower sealing ring piece (101), an upper rotating ring (102) is arranged in a front groove of the upper sealing ring piece (1) in a sliding mode, a lower rotating ring (103) is arranged in a front groove of the lower sealing ring piece (101) in a sliding mode, the upper rotating ring (102) is connected with the tail end of the lower rotating ring (103) in a rotating mode, outer screw rods (104) are arranged at the front portions of the upper sealing ring piece (1) and the lower sealing ring piece (101) in a penetrating and threaded mode, and the bottom end of each outer screw rod (104) is connected with an outer fixing block (105) in a rotating mode.

2. The gas leakage detection device based on natural gas pipeline transportation according to claim 1, characterized in that the upper sealing ring member (1) and the lower sealing ring member (101) are both of a semi-circular ring structure, the upper sealing ring member (1) and the lower sealing ring member (101) form a circular ring structure, and magnetic blocks with opposite magnetic poles are arranged at the head ends of the upper sealing ring member (1) and the lower sealing ring member (101).

3. The gas leakage detection device based on natural gas pipeline transportation according to claim 2, wherein the upper seal ring (1) and the lower seal ring (101) are provided with through holes (106) at intervals, the upper rotating ring (102) and the lower rotating ring (103) form a circular ring structure, and the upper rotating ring (102) and the lower rotating ring (103) slide along the front grooves of the upper seal ring (1) and the lower seal ring (101).

4. The gas leakage detection device based on natural gas pipeline transmission as claimed in claim 3, wherein the rear part of the lower seal ring member (101) is fixedly connected with the corrugated pipe member (2), the corrugated pipe member (2) is in a C-shaped flexible and telescopic corrugated pipe structure, and the C-shaped opening of the corrugated pipe member (2) is aligned with the joint of the head ends of the upper seal ring member (1) and the lower seal ring member (101).

5. The gas leakage detection device for natural gas pipeline transportation according to claim 4, wherein the lower detection pipe (301) is pivotally connected to a tail end of the upper detection pipe (3), a tail end of the upper connection carriage (302) is pivotally connected to a tail end of the lower connection carriage (303), the upper detection pipe (3) and the lower detection pipe (301) are both slidably connected to middle portions of the upper connection carriage (302) and the lower connection carriage (303), and a detection hole (304) is formed through a middle portion of the upper detection pipe (3).

6. The gas leakage detection device based on natural gas pipeline transportation as claimed in claim 5, wherein the magnetic blocks with opposite magnetic poles are arranged at the head ends of the upper detection pipe (3) and the lower detection pipe (301), the magnetic blocks with opposite magnetic poles are arranged at the head ends of the upper connection carriage (302) and the lower connection carriage (303), and the magnetic blocks with opposite magnetic poles are arranged at the head ends of the upper connection carriage (302) and the lower connection carriage (303).

7. The gas leakage detection device based on natural gas pipeline transportation according to claim 6, wherein the upper detection pipe (3) and the lower detection pipe (301) are closed to form an annular structure, the upper connection carriage (302) and the lower connection carriage (303) are closed to form an annular structure, and corrugated pipes (2) are arranged on both sides of the upper connection carriage (302) and the lower connection carriage (303).