CN211649326U - Long distance pipeline structure - Google Patents

Long distance pipeline structure Download PDF

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Publication number
CN211649326U
CN211649326U CN201921555341.XU CN201921555341U CN211649326U CN 211649326 U CN211649326 U CN 211649326U CN 201921555341 U CN201921555341 U CN 201921555341U CN 211649326 U CN211649326 U CN 211649326U
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China
Prior art keywords
pipe
cylinder
shear
pipeline
pipeline structure
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CN201921555341.XU
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Chinese (zh)
Inventor
计静
宋化宇
姜良芹
张文福
刘迎春
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Petrochina Co Ltd
Northeast Petroleum University
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Petrochina Co Ltd
Northeast Petroleum University
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Abstract

The utility model provides a long distance pipeline structure. The long-distance pipeline structure comprises a plurality of pipeline monomers, and every two pipeline monomers are connected through a connecting node; the pipeline monomer comprises an outer pipe and an inner pipe which are coaxial, the connecting nodes comprise an outer cylinder and an inner cylinder which are coaxial, the end parts of the outer pipe and the end parts of the inner pipe are inserted between the corresponding inner cylinder and the outer cylinder, the outer surface of the outer pipe is in fit contact with the inner surface of the outer cylinder, the inner surface of the inner pipe is in fit contact with the outer surface of the inner cylinder, and the outer pipe, the inner pipe, the outer cylinder and the inner cylinder are; and a first anti-shearing assembly is arranged between the outer pipe and the inner pipe, a second anti-shearing assembly is arranged between the outer cylinder and the inner cylinder, and concrete is poured between the outer pipe and the inner pipe and between the outer cylinder and the inner cylinder. The utility model discloses an each pipeline monomer all has outer tube, concrete and inner tube three layer construction, and meets through the connected node that has urceolus, concrete and inner tube three layer construction between each pipeline monomer, can effectively guarantee its structural strength and connection reliability to guarantee its life.

Description

Long distance pipeline structure
Technical Field
The utility model belongs to the technical field of pipeline structure technique and specifically relates to indicate a long distance pipeline structure.
Background
Conventional long-distance pipeline mostly is round steel pipe pipeline and reinforced concrete circular pipeline, and the diameter is at 0.5 meters ~ 1.5 meters within range more, and the form of enlarged head is adopted to one end, realizes the connection between the pipeline through the head. Liquid is conveyed in the steel pipe all the year round, the steel pipe is easy to rust, the effective thickness of the pipe wall can be reduced due to long-term erosion, the rigidity of the pipe wall is reduced, and local buckling is easy to occur under the action of soil and external pressure. Meanwhile, as the inner wall of the pipeline is corroded by liquid, more and more impurities are generated, the quality inspection is difficult to reach the standard, and the pipeline cannot be replaced when the designed service life is reached. The reinforced concrete pipeline is easy to rust under the liquid erosion for a long time, the impermeability of the pipe wall is difficult to ensure, and the leakage phenomenon can be formed for a long time. After the pipeline area experiences slight vibration, the conventional connection of the reinforced concrete pipeline port is easy to loosen, and the tightness of the pipeline is difficult to ensure. Later to avoid pipe leakage, steel pipes were placed in the middle of concrete pipes to form built-in steel pipe concrete composite pipes, which, while increasing the rigidity and strength of the pipes, presented a greater challenge to reliable connections between the pipes. Therefore, how to improve the service life, the structural strength and the connection reliability of the long-distance pipeline becomes a problem to be solved in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a long distance pipeline structure has longer life, structural strength and connection reliability.
In order to achieve the above purpose, the utility model provides a long-distance pipeline structure, wherein, the long-distance pipeline structure comprises a plurality of pipeline monomers which are connected in sequence, and every two adjacent pipeline monomers are fixedly connected by a connecting node in a sealing way;
each single pipeline comprises an outer pipe and an inner pipe which are coaxially arranged, each connecting node comprises an outer cylinder and an inner cylinder which are coaxially arranged, the end part of the outer pipe and the end part of the inner pipe of each single pipeline are inserted between the inner cylinder and the outer cylinder of the corresponding connecting node, the outer surface of the outer pipe is in fit contact with the inner surface of the outer cylinder, the inner surface of the inner pipe is in fit contact with the outer surface of the inner cylinder, and the outer pipe, the inner pipe, the outer cylinder and the inner cylinder are connected through connecting pieces; concrete is poured between the outer pipe and the inner pipe and between the outer cylinder and the inner cylinder.
The long-distance pipeline structure is characterized in that at least two annular partition plates are arranged between the outer pipe and the inner pipe of each pipeline monomer at intervals, and the outer pipe and the inner pipe are kept coaxial through the annular partition plates.
The long-distance pipeline structure is characterized in that the wall of the outer cylinder of the connecting node is provided with a pouring opening and an exhaust opening.
The long-distance pipeline structure comprises an outer pipe, an inner pipe and an outer barrel, wherein the outer pipe is arranged in the outer barrel, the inner pipe is arranged in the outer barrel, and the outer barrel is arranged in the inner barrel.
The long-distance pipeline structure comprises a plurality of groups of first shear structures arranged on the inner wall of the outer pipe at intervals along the axial direction of the outer pipe, and a plurality of groups of second shear structures arranged on the outer wall of the inner pipe at intervals along the axial direction of the inner pipe, wherein each first shear structure and each second shear structure are arranged along the axial direction of the pipeline monomer at intervals;
the second anti-shearing assembly comprises a plurality of groups of third anti-shearing structures which are arranged on the inner wall of the outer barrel at intervals along the axial direction of the outer barrel and a plurality of groups of fourth anti-shearing structures which are arranged on the outer wall of the inner barrel at intervals along the axial direction of the inner barrel, and the third anti-shearing structures and the fourth anti-shearing structures are arranged at intervals along the axial direction of the connection node.
The long distance pipeline structure as described above, wherein each of the first shear structures, the second shear structures, the third shear structures and the fourth shear structures includes a plurality of shear keys spaced apart from each other in a circumferential direction of the pipeline unit.
The long-distance pipeline structure is characterized in that the inner pipe and the outer pipe are both seamless wound glass fiber reinforced plastic pipes.
The long distance pipeline structure as described above, wherein the concrete is self-compacting fine stone concrete.
The long-distance pipeline structure is characterized in that a plurality of groups of damping assemblies are uniformly distributed on the outer surface of the outer pipe at intervals, and each damping assembly is connected to the basis of the long-distance pipeline structure.
The long-distance pipeline structure comprises a damper and a connector, wherein the damper is connected with the connector, the connector comprises a connecting ring and a connecting seat, the connecting ring and the connecting seat are fixedly connected, the connecting ring is connected with one end of the damper, the connecting seat is connected with the outer surface of the outer pipe, and the other end of the damper is connected with the base of the long-distance pipeline structure.
Compared with the prior art, the utility model has the advantages as follows:
the utility model provides a long defeated pipeline structure through establishing each pipeline monomer to have outer tube, concrete and inner tube three layer construction, and meets through connected node between per two adjacent pipeline monomers, has changed the connected mode of traditional pipeline, can effectively guarantee its structural strength, connection reliability and seal to guarantee its life, satisfy the service life requirement.
Drawings
The following drawings are only intended to illustrate and explain the present invention schematically, and do not limit the scope of the present invention. Wherein:
fig. 1 is a schematic perspective view of a long-distance pipeline structure provided by the present invention;
fig. 2 is an axial structural schematic diagram of a linear pipe single body of the long-distance pipeline structure provided by the present invention;
fig. 3 is a schematic view of a radial structure of a single pipe of a long-distance pipeline structure provided by the present invention;
fig. 4 is a schematic structural view of the long distance pipeline structure provided by the present invention before concrete is not poured after the connection node is connected with the two pipeline monomers;
fig. 5 is a schematic structural view of the long-distance pipeline structure provided by the present invention after the connection node is connected with two single pipelines and concrete is poured;
fig. 6 is an axial structural schematic diagram of the outer cylinder of the connection node of the long-distance pipeline structure provided by the present invention;
fig. 7 is a schematic view of a radial structure of an outer cylinder of a connection node of a long-distance pipeline structure provided by the present invention;
fig. 8 is an axial structural schematic view of an inner cylinder of a connection node of a long-distance pipeline structure provided by the present invention;
fig. 9 is a schematic view of a radial structure of an inner cylinder of a connection node of a long-distance pipeline structure provided by the present invention;
fig. 10 is a schematic structural diagram of a mounting hole for installing a connector on an outer tube of a single pipe of a long-distance pipeline structure provided by the present invention;
fig. 11 is a schematic perspective view of the long distance pipeline structure provided by the present invention, wherein the connector is connected to the single pipeline;
fig. 12 is a schematic plan view of the connector of the shock-absorbing assembly of the long-distance pipeline structure according to the present invention, which is connected to the single pipeline;
FIG. 13 is a schematic structural view of a damper of a shock absorbing assembly of the long distance pipeline structure provided by the present invention;
FIG. 14 is a schematic view of a plane structure of a long-distance pipeline structure connected to a foundation thereof through a plurality of damping assemblies;
fig. 15 is a manufacturing flow chart of the long conveying pipeline structure provided by the present invention;
fig. 16 is another manufacturing flow chart of the long-distance pipeline provided by the invention.
The reference numbers illustrate:
1. a pipe single body;
11. an outer tube;
111. connecting holes;
1111. a connecting member;
112. a first shear structure;
1121. a shear key;
113. mounting holes;
12. an inner tube;
121. connecting holes;
122. a second shear resistant structure;
1221. a shear key;
13. an annular partition plate;
14. concrete;
2. connecting the nodes;
21. an outer cylinder;
211. connecting holes;
212. pouring a mouth;
213. an exhaust port;
214. a third shear structure;
2141. a shear key;
22. an inner barrel;
221. connecting holes;
222. a fourth shear structure;
2221. a shear key;
23. concrete;
3. a shock absorbing assembly;
31. a connector;
311. a connecting ring;
312. a connecting seat;
3121. bolt holes;
32. a damper;
4. and (4) a foundation.
Detailed Description
In order to clearly understand the technical solution, purpose and effect of the present invention, the detailed embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1, the present invention provides a long-distance pipeline structure (also referred to as a long-distance GFRP sandwich concrete composite pipeline structure with an oversized diameter), wherein the long-distance pipeline structure comprises a plurality of pipeline single bodies 1 connected in sequence, and every two adjacent pipeline single bodies 1 are fixedly connected in a sealing manner by a connecting node 2, so that the plurality of pipeline single bodies 1 are connected to form a long-distance pipeline;
referring to fig. 1 to 9, each pipe unit 1 includes an outer pipe 11 and an inner pipe 12 which are coaxially disposed, each connection node 2 includes an outer cylinder 21 and an inner cylinder 22 which are coaxially disposed, an end of the outer pipe 11 of each pipe unit 1 and an end of the inner pipe 12 of each pipe unit 1 are inserted between the inner cylinder 22 and the outer cylinder 21 of the corresponding connection node 2, that is, an end of the inner pipe 12 and an end of the outer pipe 11 at one end of each pipe unit 1 are both inserted between the inner cylinder 22 and the outer cylinder 21 of the corresponding connection node 2, an end of the inner pipe 12 and an end of the outer pipe 11 at the other end of each pipe unit 1 can be inserted between the inner cylinder 22 and the outer cylinder 21 of the other connection node 2, and an end of the other pipe unit 1 is inserted between the inner cylinder 22 and the outer cylinder 21 of the other connection node 2, an outer surface of the outer pipe 11 is in contact with an inner surface of the outer cylinder 21, the inner surface of the inner pipe 12 is in contact with the outer surface of the inner cylinder 22 in a fitting manner to ensure the coaxiality between each pipeline unit 1 and each connection node 2, and the outer pipe 11, the inner pipe 12, the outer cylinder 21 and the inner cylinder 22 are connected through a connection member 1111, specifically, connection holes 111 formed along the radial direction of the outer pipe 11 are respectively formed at two ends of the outer pipe 11, connection holes 121 formed along the radial direction of the inner pipe 12 are respectively formed at two ends of the inner cylinder 12, connection holes 221 formed along the radial direction of the inner cylinder 22 are respectively formed at two ends of the inner cylinder 22, connection holes 211 formed along the radial direction of the outer cylinder 21 are respectively formed at two ends of the outer pipe 21, when the inner pipe 12, the outer pipe 11, the inner pipe 22 and the outer cylinder 21 are inserted into each other, the connection holes 111, 121, 211 and 221 on the outer cylinder 21 on the outer pipe 11 are correspondingly communicated, and then a connection member 1111, the outer pipe 11, the inner pipe 12, the outer cylinder 21 and the inner cylinder 22 are fixedly connected through the connecting holes 121 on the inner pipe 12, the connecting holes 211 on the outer cylinder 21 and the connecting holes 221 on the inner cylinder 22, so that the connection between the connecting node 2 and the pipeline single bodies 1 is realized, the connection between the two pipeline single bodies 1 can be realized by respectively connecting the two ends of the connecting node 2 with the two pipeline single bodies 1, and thus, a plurality of pipeline single bodies 1 are connected through the connecting node 2 to form a long-distance pipeline; concrete is poured between the outer pipe 11 and the inner pipe 12 and between the outer cylinder 21 and the inner cylinder 22, the concrete 14 is fixed with the outer pipe 11 and the inner pipe 12 to form a pipeline single body 1, and the concrete 23 is fixed with the outer cylinder 21 and the inner cylinder 22 to form a connecting node 2.
Further, as shown in fig. 2, 4, 5 and 14, the present invention provides a long distance pipeline structure, wherein at least two annular partition plates 13 are disposed between the outer pipe 11 and the inner pipe 12 of each single pipeline 1 at intervals, and the outer pipe 11 and the inner pipe 12 are kept coaxial by the annular partition plates 13, preferably, two annular partition plates 13 are disposed, and are respectively close to two ends of the single pipeline 1, when pouring concrete 14 between the inner pipe 12 and the outer pipe 11, the concrete 14 only fills the space between the two annular partition plates 13 between the outer pipe 11 and the inner pipe 12, so that the space between the outer pipe 11 and the inner pipe 12 at two ends of the single pipeline 1 is kept unfilled, and it is ensured that the connection hole 111 on the outer pipe 11 and the connection hole 121 on the inner pipe 12 are not blocked by the concrete 14, thereby smoothly realizing the connection between the inner pipe 12, the outer pipe 11 and the inner and the outer cylinders 22, 21, after the inner tube 22 and the outer tube 21 of the connection node 2 are connected to the inner tube 12 and the outer tube 11 of the single pipe unit 1 through the connection member 1111, a space between the inner tube 22 and the outer tube 21 is communicated with a space at the end of the single pipe unit 1 where no concrete is cast, when concrete is cast between the outer tube 21 and the inner tube 22, the space at the end of the single pipe unit 1 where no concrete is cast together, and the connection member 1111 is fixed to the concrete, so that connection reliability is ensured.
In addition, the inner wall of inner tube 12 is smooth surface, and is little to the resistance of carrying the material, and the deposit material is less relatively, can effectively improve the utility model discloses a transport efficiency.
Furthermore, as shown in fig. 4 to 6, the present invention provides a long distance pipeline structure, wherein a pouring opening 212 and an exhaust opening 213 are opened on the wall of the outer tube 21 of the connection node 2, after the inner tube 22 of the connection node 2, the outer tube 21 and the inner tube 12 of the single pipeline 1 and the outer tube 11 are connected, concrete is poured into the space between the inner tube 22 and the outer tube 21 and the space of the portion of the single pipeline 1 not poured with concrete between the inner tube 12 and the outer tube 11 which are communicated with the inner tube 22 through the pouring opening 212 on the wall of the outer tube 21, during the pouring process, gas in the space between the inner tube 22 and the outer tube 21 and the space of the portion of the single pipeline 1 not poured with concrete between the inner tube 12 and the outer tube 11 which are communicated with the inner tube 22 and the outer tube 21 can be discharged from the exhaust opening 213, and when concrete begins to overflow at the exhaust opening 213, that gas in the space between the inner tube 22 and the outer tube 21 and the portion of the single pipeline 1 which is communicated with the The space of the part is filled with concrete, and at this time, the pouring of the concrete can be stopped.
As a preferred option, as shown in fig. 2 to 9 and 10, the present invention provides a long pipeline structure, wherein a first anti-shear assembly is disposed between the outer pipe 11 and the inner pipe 12, a second anti-shear assembly is disposed between the outer pipe 21 and the inner pipe 22, and by disposing the first anti-shear assembly and the second anti-shear assembly, after the concrete 23 is poured between the outer pipe 11 and the inner pipe 12 and between the outer pipe 21 and the inner pipe 22, the mechanical properties of the two materials are fully utilized to reliably fix the outer pipe 11, the concrete 14 and the inner pipe 12 together, and to reliably fix the outer pipe 21, the concrete 23 and the inner pipe 22 together, thereby greatly improving the bearing capacity and the stability of the present invention, and the present invention is suitable for manufacturing long pipelines with a large pipe diameter and suitable for large pipe diameter transportation operation environments;
the first shear resisting assembly comprises a plurality of groups of first shear resisting structures 112 arranged on the inner wall of the outer pipe 11 at intervals along the axial direction of the outer pipe and a plurality of groups of second shear resisting structures 122 arranged on the outer wall of the inner pipe 12 at intervals along the axial direction of the outer pipe, namely, the plurality of groups of first shear resisting structures 112 are arranged on the inner wall of the outer pipe 11 at intervals along the axial direction of the outer pipe, the plurality of groups of second shear resisting structures 122 are arranged on the outer wall of the inner pipe 12 at intervals along the axial direction of the inner pipe, and the first shear resisting structures 112 and the second shear resisting structures 122 are arranged along the axial;
similarly, the second anti-shear assembly includes a plurality of sets of third anti-shear structures 214 axially spaced on the inner wall of the outer cylinder 21 and a plurality of sets of fourth anti-shear structures 222 axially spaced on the outer wall of the inner cylinder 22, that is, the plurality of sets of third anti-shear structures 214 are spaced on the inner wall of the outer cylinder 21, the plurality of sets of fourth anti-shear structures 222 are spaced on the outer wall of the inner cylinder 22, and the third anti-shear structures 214 and the fourth anti-shear structures 222 are axially spaced along the connection node 2;
each group of first shear structures 112 includes a plurality of shear keys 1121 arranged along the circumferential interval of the outer tube 11, each group of second shear structures 122 includes a plurality of shear keys 1221 arranged along the circumferential interval of the inner tube 12, each group of third shear structures 214 includes a plurality of shear keys 2141 arranged along the circumferential interval of the outer tube 21, each group of fourth shear structures 222 includes a plurality of shear keys 2221 arranged along the circumferential interval of the inner tube 22, by setting up each shear key, the inner tube 12, the outer tube 11, the inner tube 22 and the outer tube 21 can be effectively combined with the concrete 23 together, the single pipeline 1 is ensured, the whole stress of the connection node 2 is avoided, the inner tube 12, the outer tube 11, the inner tube 22, the outer tube 21 is prevented from being peeled off from the concrete 23.
As preferred, the utility model provides a long distance pipeline structure, wherein, inner tube 12 and outer tube 11 are seamless wound form Glass Fiber Reinforced Plastic pipe, and Glass Fiber Reinforced Plastic (Glass-Fiber-Reinforced Plastic, abbreviated as GFRP) is a organic nonmetal and inorganic nonmetal compound Plastic base composite material, and tensile strength is high, and the quality is light, has good construction manufacturability, and corrosion resistance is good, and is insensitive to temperature variation, and the heat-proof quality is good, is convenient for use in high-stringency cold district and saline and alkaline region, can carry the liquid and the gas that steel pipeline can not carry, ensures the stability of transported substance simultaneously; the concrete is self-compaction pea gravel concrete to guarantee in the space between inner tube 12 and the outer tube 11 and fill up by the concrete completely in the space between inner tube 22 and the urceolus 21, thereby guarantee the utility model discloses a structural strength.
Furthermore, as shown in fig. 1 and 14, the utility model provides a long distance pipeline structure, wherein, the interval has evenly laid multiunit damper 3 on the surface of outer tube 11, and each damper 3 all connects on the basis 4 that is used for installing long distance pipeline structure. Can play the effect of carrying out fixed connection to long defeated pipeline structure through setting up damper unit 3, can also play energy consumption absorbing effect simultaneously when the earthquake, improve the anti-seismic performance of pipeline, reduce the emergence of pipeline bucking phenomenon, guarantee the life of pipeline.
Preferably, as shown in fig. 1 and 11 to 14, the present invention provides a long distance pipeline structure, wherein the damping assembly 3 includes a connector 31 and a damper 32, the connector 31 is a rigid connector, the connector 31 includes a connection ring 311 and a connection seat 312, the connection ring 311 is fixedly connected to one end of the damper 32, the connection ring 311 is circular and is rotatably hinged to one end of the damper 32, the connection seat 312 is in a pyramid structure with a gradually increasing size along a direction from the damper 32 to the outer tube 11, a side surface of the connection seat 312 away from the damper 32 (i.e. a bottom surface of the pyramid structure) is connected to an outer surface of the outer tube 11 through a high strength bolt, specifically, the outer tube 11 is provided with a plurality of installation holes 113, a plurality of bolt holes 3121 are provided corresponding to the installation holes 113 on a side surface of each connection seat 312 away from the connection ring 311, the connection seat 312 and the bolt holes 3121 of the connection seat 312 are fixed to the installation holes 113 of the outer tube 11 and the bolt holes 3121 of the The outer pipe 11 is fixedly connected together, the other end of the damper 32 is rotatably hinged with the foundation 4 of the long-distance pipeline structure, and the damper 32 is a buckling-restrained energy-dissipation damper and can play a role in connection and fixation and energy dissipation.
The utility model provides a manufacturing process of long defeated pipeline is shown in figure 15, include:
manufacturing an inner pipe 12 of the single pipeline body 1 and an outer pipe 11 of the single pipeline body 1 (according to size requirements), coaxially installing the inner pipe 12 and the outer pipe 11 through an annular partition plate 13, arranging a first shear assembly between the inner pipe 12 and the outer pipe 11, respectively forming connecting holes 111 at two ends of the outer pipe 11, respectively forming connecting holes 121 at two ends of the inner pipe 12, and pouring concrete 14 between the inner pipe 12 and the outer pipe 11 to form the single pipeline body 1;
the inner cylinder 22 of the connecting node 2 and the outer cylinder 21 of the connecting node 2 are manufactured (according to the size requirement), the outer cylinder 21 is coaxially sleeved outside the inner cylinder 22, a second shear resistant component is arranged between the inner cylinder 22 and the outer cylinder 21, connecting holes 211 are respectively arranged at the two ends of the outer cylinder 21, two ends of the inner cylinder 22 are respectively provided with a connecting hole 221, one end of each of the two single pipeline bodies 1 respectively extends into the space between the inner cylinder 22 and the outer cylinder 21 from two ends of the connecting node 2, two ends of the inner cylinder 22 and two ends of the outer cylinder 21 are respectively fixedly connected with one end of each of the two single pipeline bodies 1 through a connecting piece 1111, that is, the coupling holes 121 and 111 of the inner pipe 12, the coupling holes 111 and 221 of the outer pipe 11, the inner pipe 22 and the outer pipe 21 are correspondingly communicated and fixedly coupled by the coupling members 1111, the single pipe 1 is connected to the corresponding coupling nodes 2, and then the concrete 23 is poured between the inner pipe 22 and the outer pipe 21.
Further, as shown in fig. 16, the pouring of the concrete 23 between the inner cylinder 22 and the outer cylinder 21 includes:
the outer cylinder 21 is provided with a pouring port 212 and an exhaust port 213, and concrete 23 is poured between the inner cylinder 22 and the outer cylinder 21 through the pouring port 212.
Further, as shown in fig. 16, before the concrete 14 is poured between the inner pipe 12 and the outer pipe 11, the method further includes:
multiple sets of shock absorption assemblies 3 are uniformly distributed on the outer surface of the outer tube 11 at intervals, specifically, one side surface of each connecting seat 312 of each shock absorption assembly 3, which is far away from the connecting ring 311, is fixed on the outer tube 11 through a high-strength bolt, and one end of the damper 32 is connected with the connecting ring 311 of the shock absorption assembly 3.
Compared with the prior art, the utility model has the advantages as follows:
the utility model provides a long defeated pipeline structure through establishing each pipeline monomer to have outer tube, concrete and inner tube three layer construction, and meets through connected node between per two adjacent pipeline monomers, has changed the connected mode of traditional pipeline, can effectively guarantee its structural strength, connection reliability and seal to guarantee its life, satisfy the service life requirement.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the invention should be considered within the scope of the invention.

Claims (10)

1. A long-distance pipeline structure is characterized by comprising a plurality of pipeline monomers which are connected in sequence, wherein every two adjacent pipeline monomers are fixedly connected in a sealing way through a connecting node;
each single pipeline comprises an outer pipe and an inner pipe which are coaxially arranged, each connecting node comprises an outer cylinder and an inner cylinder which are coaxially arranged, the end part of the outer pipe and the end part of the inner pipe of each single pipeline are inserted between the inner cylinder and the outer cylinder of the corresponding connecting node, the outer surface of the outer pipe is in fit contact with the inner surface of the outer cylinder, the inner surface of the inner pipe is in fit contact with the outer surface of the inner cylinder, and the outer pipe, the inner pipe, the outer cylinder and the inner cylinder are connected through connecting pieces; concrete is poured between the outer pipe and the inner pipe and between the outer cylinder and the inner cylinder.
2. The long distance pipeline structure according to claim 1, wherein at least two annular partition plates are arranged between the outer pipe and the inner pipe of each pipeline monomer at intervals, and the outer pipe and the inner pipe are kept coaxial through the annular partition plates.
3. The long distance pipeline structure of claim 1, wherein the outer cylinder of the connection node has a cylindrical wall with a pouring opening and an exhaust opening.
4. The long distance pipeline structure of claim 1, wherein a first shear assembly is arranged between the outer pipe and the inner pipe, and a second shear assembly is arranged between the outer cylinder and the inner cylinder.
5. The long distance pipeline structure of claim 4, wherein the first shear assemblies comprise a plurality of sets of first shear structures axially spaced along the inner wall of the outer pipe and a plurality of sets of second shear structures axially spaced along the outer wall of the inner pipe, each of the first shear structures and each of the second shear structures being axially spaced along the single pipeline body;
the second anti-shearing assembly comprises a plurality of groups of third anti-shearing structures which are arranged on the inner wall of the outer barrel at intervals along the axial direction of the outer barrel and a plurality of groups of fourth anti-shearing structures which are arranged on the outer wall of the inner barrel at intervals along the axial direction of the inner barrel, and the third anti-shearing structures and the fourth anti-shearing structures are arranged at intervals along the axial direction of the connection node.
6. The long pipeline structure of claim 5, wherein each of the first shear structure, the second shear structure, the third shear structure and the fourth shear structure comprises a plurality of shear keys spaced apart along a circumference of the single pipeline.
7. The long distance pipeline structure of claim 1, wherein the inner pipe and the outer pipe are seamless wound glass fiber reinforced plastic pipes.
8. The long haul pipeline structure of claim 1, wherein the concrete is self-compacting fine stone concrete.
9. The long distance pipeline structure of claim 1, wherein a plurality of groups of shock absorption components are uniformly distributed on the outer surface of the outer pipe at intervals, and each shock absorption component is connected to the foundation of the long distance pipeline structure.
10. The long distance pipeline structure of claim 9, wherein the shock absorbing assembly comprises a connector and a damper, the connector comprises a connecting ring and a connecting seat, the connecting ring is fixedly connected with one end of the damper, the connecting seat is connected with the outer surface of the outer pipe, and the other end of the damper is connected with the foundation of the long distance pipeline structure.
CN201921555341.XU 2019-09-18 2019-09-18 Long distance pipeline structure Active CN211649326U (en)

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Application Number Priority Date Filing Date Title
CN201921555341.XU CN211649326U (en) 2019-09-18 2019-09-18 Long distance pipeline structure

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Application Number Priority Date Filing Date Title
CN201921555341.XU CN211649326U (en) 2019-09-18 2019-09-18 Long distance pipeline structure

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Publication Number Publication Date
CN211649326U true CN211649326U (en) 2020-10-09

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