CN212338384U - Anti-rotation support leg of buried pipeline - Google Patents
Anti-rotation support leg of buried pipeline Download PDFInfo
- Publication number
- CN212338384U CN212338384U CN202020751816.9U CN202020751816U CN212338384U CN 212338384 U CN212338384 U CN 212338384U CN 202020751816 U CN202020751816 U CN 202020751816U CN 212338384 U CN212338384 U CN 212338384U
- Authority
- CN
- China
- Prior art keywords
- buried
- pipe section
- leg
- buried pipeline
- supporting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Electric Cable Installation (AREA)
Abstract
The utility model provides an anti-rotation support leg of a buried pipeline, relating to the technical field of non-metal buried pipeline design and installation; at least one pair of supporting legs is designed and installed on the outer side wall of each buried pipe section, each pair of supporting legs is located in the middle of the corresponding pipe section and is respectively located on two sides of the central shaft of the pipe section, and the supporting legs are fixedly connected to the outer side wall of the pipe section and horizontally extend along the radial direction of the pipe section so as to enable the supporting legs and the buried pipe sections to be buried and laid together; the buried support legs arranged on two adjacent pipe sections buried side by side are arranged in a staggered manner; by implementing the technical scheme, the technical problem that the buried pipeline is unstable in buried laying installation and operation can be solved, relative rotation and axial displacement between the pipe sections of the buried pipeline can be effectively limited, the leakage problem of the socket-and-spigot connected buried pipeline is avoided, and the safety and reliability of the buried pipeline can be effectively improved; compared with the traditional scheme, the method can greatly reduce the consumption of concrete materials and the engineering construction amount, and has good economic practicability and popularization and use values.
Description
Technical Field
The utility model relates to a nonmetal buried pipeline design and installation technical field, more specifically say, relate to a buried pipeline's anti-rotation landing leg.
Background
Non-metallic (GRE or GRP) buried pipelines are often used for seawater transport in offshore LNG engineering, power plants etc. The pipeline system is usually long in conveying distance and is laid underground; the pipeline system comprises straight pipelines, a connecting tee joint and an elbow, wherein the straight pipelines are generally connected by pipe sections in a socket joint mode, and the straight pipelines are also connected with the tee joint and the elbow in the socket joint mode. Because the pipe sections are connected in a socket joint mode, when abnormal working conditions and external loads influence the pipe sections, relative rotation and axial displacement are easy to occur at the joints of the pipe sections, particularly, impact loads such as water hammer and earthquake occur in long-term operation, instability is easy to cause, the sealing performance between the pipe sections is influenced, leakage is further caused, and even instability and damage of the pipeline are caused.
In order to increase the stability of the buried pipeline, the traditional method is that a large amount of concrete is adopted to form a buried buttress, and each pipeline section is fixed to counteract the action of axial force, so that the safety of equipment and the pipeline is protected; the existing buried buttress is generally of a cuboid structure and is cast by plain concrete or reinforced concrete, a pipeline is rigidly connected with a fixed pier through a thrust piece, the thrust is uniformly transmitted to the fixed pier, and the fixed buttress utilizes the self weight and the passive soil pressure and the friction force generated by soil on the buttress to offset the thrust. However, the inventor of the present application finds in the practical process that the construction of the existing buried buttress has at least the following technical problems: because the pipelines can grow up for several kilometers, the concrete materials consumed by the method and the engineering construction amount are huge, the construction cost is high, the construction period is long, and the economic practicability is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems of the buried pipeline that the buried pipeline is instable in buried laying installation and operation, the utility model aims to provide an anti-rotation support leg of the buried pipeline, which aims to limit the relative rotation and axial displacement between the sections of the buried pipeline, increase the stability of each buried section in a pipeline system and avoid leakage; meanwhile, by adopting the design of the supporting leg, the using amount of concrete materials and the construction amount of engineering can be greatly reduced, the cost is saved, the construction period is shortened, the supporting leg is stable, safe and ideal in effect, and has good economic practicability and popularization and use values.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
the anti-rotation support legs of the buried pipeline are characterized in that at least one pair of support legs are arranged on the outer side wall of each buried pipeline section, each pair of support legs are positioned in the middle of the corresponding pipeline section and are respectively positioned on two sides of the central shaft of the pipeline section, and the support legs are fixedly connected to the outer side wall of the pipeline section and horizontally extend along the radial direction of the pipeline section, so that the support legs and the buried pipeline section are buried together for laying; and the buried support legs arranged on the adjacent two side-by-side buried laying pipe sections are arranged in a staggered manner.
The technical scheme has the advantages that the structural design of installing the anti-rotation support leg on the buried pipeline is reasonable, the acting force of buried soil is naturally utilized, the relative rotation and the axial displacement between the pipe sections of the buried pipeline can be effectively limited, the original buried support pier needing to be formed by a large amount of concrete is replaced, the leakage problem of the socket-and-spigot connected buried pipeline is avoided, and the stability of the buried pipeline is improved; the anti-rotation support leg is designed to solve the leakage problem of the GRE or GRP buried pipeline by a simple method and with little engineering cost, provides a buried pipeline laying scheme with excellent economic practicability, can effectively improve the safety and reliability of the buried pipeline, and has good popularization and use values.
Preferably, the support leg is a circular tube, so that the central axial line of the support leg is perpendicular to the central axial line of the corresponding tube section. The supporting legs are preferably formed by cutting the existing GRE/GRP material pipelines, so that the supporting legs are convenient to obtain and easy to manufacture; therefore, after the supporting legs and the buried pipe sections are buried together, the supporting legs extend horizontally along the pipe sections to be laid, construction is facilitated, and the construction period is shortened.
Preferably, the supporting leg is a square pipe, so that the central axial line of the supporting leg is perpendicular to the central axial line of the corresponding pipe section. The structural shape of the legs is not limited to this, and other shapes can be adopted, and the key point is to meet the strength requirement of limiting the relative rotation and axial displacement between the pipe sections of the buried pipeline.
Preferably, the end part of one end of the supporting leg connected with the corresponding pipe section is cut into an arc structure matched with the buried pipe section and is matched and connected with the buried pipe section. So that the supporting legs are matched with the buried pipe sections more closely and stably, and the structural stability of the buried pipe sections is improved.
Preferably, the legs are secured to the buried pipe section by adhesive. Preferably, the adhesive selected in the technical scheme is GRE/GRP material adhesive in the prior art, and is applied to a pipeline made of GRE/GRP material.
Preferably, the outer diameter of the leg is D1The outer diameter of the pipe section corresponding to the supporting leg is D2And the outer diameter of the supporting leg meets 1/3 XD2≤D1≤D2. Through multiple practices of the applicant, the outer diameter of the supporting leg is designed to be 1/3 multiplied by D while the cost of the supporting leg material and the limiting strength are considered2≤D1≤D2The pipe joint is convenient to provide sufficient section connection strength with the pipe section, and the acting force of soil is fully utilized.
Preferably, the leg has a wall thickness T1The wall thickness of the pipe section corresponding to the supporting leg is T2And the wall thickness of the supporting leg satisfies T1≥3/4×T2. The connecting structure is used for ensuring the structural connection strength of the supporting legs and the side wall of the pipe section, and is beneficial to improving the connection stability of the supporting legs and the side wall of the pipe section.
Preferably, the length of the supporting leg is A, and the outer diameter of the pipe section corresponding to the supporting leg is D2And the length of the supporting leg satisfies A is more than or equal to 1/2 multiplied by D2. The landing leg length of this design range can make full use of the effort of soil, prevents relative rotation and axial displacement between each pipeline section of buried pipeline.
Preferably, the staggered distance of the buried support legs arranged on the two adjacent pipe sections buried side by side is 2B, and the outer diameter of each support leg is D1And satisfy D1+100mm≤B≤D1+500 mm. The staggered distance of the buried support legs in the technical scheme refers to the distance between the central shafts of the support legs on the two pipe sections, the design aim of the buried support leg staggered distance is to facilitate construction, avoid mutual interference of the adjacent support legs, and guarantee the installation reliability of the buried support legs and the buried pipe sections which are buried together.
Preferably, a reinforcing plate is arranged at the joint of the supporting leg and the buried pipe section, the cross section of the reinforcing plate is of a rectangular arc plate structure, the inner side of the reinforcing plate is bonded on the buried pipe section and extends along the axial direction of the pipe section, and the outer side of the reinforcing plate is bonded with the arc end of the supporting leg. The connecting device is used for increasing the structural strength between the supporting leg and the buried pipe section, so that the connecting device has better connecting stability.
As described above, the present invention has at least the following advantages:
1. the utility model discloses utilize the effort of burying ground soil naturally at the reasonable in design of anti-rotation landing leg, can effectively restrict relative rotation and axial displacement between each pipeline section of buried pipeline to solve present buried pipeline and buried the ground installation unstable and appear impact load such as water hammer, earthquake in the long-term running and cause unstable technical problem, and then avoid the buried pipeline's that socket joint is connected leakage problem.
2. The utility model discloses utilize to prevent that the rotatory landing leg replaces original need adopt a large amount of concrete to constitute and buries ground buttress, reduce a large amount of concrete buttress materials and construction work volume than traditional method, provide an economic practicality fabulous ground pipe laying scheme that buries ground, can effectively improve the security and the reliability of burying ground pipeline.
3, as the utility model discloses prevent that the rotation landing leg can be for circular pipe, also can be for square pipe or other shape structures, its key lies in satisfying the relative rotation between each pipeline section of restriction buried pipeline and axial displacement's intensity requirement, and the material is convenient for obtain, and the rotation prevention landing leg of buried pipeline is convenient for make, is convenient for construct simultaneously, shortens construction cycle to make buried pipeline with less cost and obtain the stable safe ideal and lay the effect, thereby have fine economic practicality and use value widely.
Drawings
Fig. 1 is the utility model discloses an anti-rotation landing leg's of buried pipeline mounting structure schematic diagram.
Reference numerals in the drawings of the specification include: 1-a first support leg; 2-a second support leg; 3-support leg III; 4-support leg four; 5-pipe section one; 6-pipe section II; 7-reinforcing plate.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
Example one
The embodiment is basically as shown in figure 1: the embodiment provides an anti-rotation support leg of a buried pipeline, the buried pipeline is formed by pipe section socket type connection, at least one pair of support legs are installed on the outer side wall of each buried pipe section, the embodiment takes the case that a pile of support legs are installed on the outer side wall of each buried pipe section, the right end of each buried pipe section is a socket joint, and a connecting part at the left end is provided with a reinforcing rib; each pair of supporting legs is positioned in the middle of the corresponding pipe section and is respectively positioned on two sides of the central shaft of the pipe section, and the supporting legs are fixedly connected to the outer side wall of the pipe section and horizontally extend along the radial direction of the pipe section so as to enable the supporting legs and the buried pipe section to be buried together for laying; and the buried support legs arranged on two adjacent pipe sections buried side by side are arranged in a staggered manner, fig. 1 shows that the two adjacent pipe sections arranged side by side comprise a pipe section I5 and a pipe section II 6, wherein the support leg I1 and the support leg II 2 are respectively arranged on two sides of the central shaft of the pipe section I5, the support leg III 3 and the support leg IV 4 are respectively arranged on two sides of the central shaft of the pipe section II 6, and the support leg II 2 and the support leg III 3 are arranged in a staggered manner.
The supporting leg I1, the supporting leg II 2, the supporting leg III 3 and the supporting leg IV 4 in the embodiment can be round pipes or square pipes, and certainly can be in other shapes, the key point is that the strength requirements for limiting relative rotation and axial displacement among all pipe sections of a buried pipeline are met, the central axial line of the supporting leg and the central axial line of the corresponding pipe section are vertically arranged, the supporting leg is preferably formed by cutting an existing GRE/GRP plate and bonding the GRE/GRP plate by using a GRE/GRP material bonding agent, the supporting leg is convenient to obtain and easy to manufacture, and the supporting leg in the embodiment takes the square pipe manufactured by selecting a GRE/GRP material pipeline as an example; therefore, after the supporting legs and the buried pipe sections I5 are buried, the supporting legs horizontally extend along the pipe sections to be laid, construction is facilitated, and the construction period is shortened.
The supporting leg is connected with the corresponding pipe section, one end of the supporting leg is cut into an arc-shaped structure matched with the buried pipe section, and the supporting leg is matched and connected with the buried pipe section.
Example two
The second embodiment is substantially the same as the first embodiment, except that: as shown in fig. 1, in the embodiment, a first support leg 1 and a second support leg 2, and a third support leg 3 and a fourth support leg 4 are all circular pipes made of GRE/GRP material pipelines as an example, and each anti-rotation support leg is fixedly connected to a buried pipeline, horizontally extends along the radial direction of the buried pipeline, and is buried and laid together with the buried pipeline; preferably, the outer diameter of the support leg of the present embodiment is D1The outer diameter of the pipe section corresponding to the supporting leg is D2And the outer diameter of the supporting leg meets 1/3 XD2≤D1≤D2(ii) a Based on the consideration of the material cost and the limiting strength of each anti-rotation leg, the outer diameter of the leg is designed to be 1/3 multiplied by the diameter D through multiple practices of the applicant2≤D1≤D2The pipe section is convenient to provide sufficient section connection strength with the pipe section, and the acting force of soil is fully utilized; similarly, the wall thickness of the support leg of the embodiment is T1The wall thickness of the pipe section corresponding to the supporting leg is T2And the wall thickness of the supporting leg satisfies T1≥3/4×T2The connecting device is used for ensuring the structural connection strength of the supporting legs and the side wall of the pipe section, and is beneficial to improving the connection stability; meanwhile, the length of the leg of this embodiment is A, and the length of the leg satisfies A ≧ 1/2 × D2The length of the supporting legs within the design range can fully utilize the acting force of soil and prevent relative rotation and axial displacement between the pipe sections of the buried pipeline. For construction convenience, the staggered distance of the two adjacent buried support legs arranged on the pipeline section buried side by side in the embodiment is 2B, namely the distance between the central shaft of the second support leg 2 and the central shaft of the third support leg 3 is 2B, and D is satisfied1+100mm≤B≤D1+500mm, construction of being convenient for to avoid adjacent landing leg mutual interference, guarantee landing leg and buried pipeAnd the section one 5 has the same installation reliability as buried laying.
In this embodiment, be provided with reinforcing plate 7 in landing leg and buried pipeline section's junction, reinforcing plate 7's cross-section is rectangle arc plate structure, and the inside survey of reinforcing plate 7 bonds and extends on buried pipeline section and along the pipeline section axial, and the outside bonds with landing leg arc end together. The connecting device is used for increasing the structural strength between the supporting leg and the buried pipe section, so that the connecting device has better connecting stability.
In conclusion, the anti-rotation support leg provided by the embodiment is buried together with the buried pipeline, so that the acting force of buried soil is reasonably and naturally utilized, and the relative rotation and axial displacement between the pipe sections of the buried pipeline can be effectively limited, thereby solving the technical problems that the existing buried pipeline is unstable in buried installation and unstable due to impact loads such as water hammer, earthquake and the like in long-term operation, and further avoiding the leakage problem of the buried pipeline in socket connection; compared with the existing scheme design of buried buttresses, the anti-rotation support leg structure design provided by the embodiment can effectively reduce a large amount of concrete buttress materials and construction engineering quantity, is convenient for construction, shortens the construction period, enables buried pipelines to obtain stable and safe ideal laying effect with less cost, has good economic practicability and popularization and use values, and is suitable for popularization and application.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Prevent rotatory landing leg of buried pipeline, its characterized in that: at least one pair of supporting legs is arranged on the outer side wall of each buried pipe section, each pair of supporting legs is positioned in the middle of the corresponding pipe section and is respectively positioned on two sides of the central shaft of the pipe section, and the supporting legs are fixedly connected to the outer side wall of the pipe section and horizontally extend along the radial direction of the pipe section so as to enable the supporting legs and the buried pipe sections to be buried together; and the buried support legs arranged on the adjacent two side-by-side buried laying pipe sections are arranged in a staggered manner.
2. An anti-rotation leg for a buried pipeline according to claim 1, wherein: the supporting legs are round pipes, so that the central axial lines of the supporting legs and the central axial lines of the corresponding pipe sections are perpendicular to each other.
3. An anti-rotation leg for a buried pipeline according to claim 1, wherein: the supporting legs are square pipes, so that the central axial lines of the supporting legs and the central axial lines of the corresponding pipe sections are perpendicular to each other.
4. An anti-rotation leg for a buried pipeline according to claim 2 or 3, wherein: the end part of one end of the supporting leg connected with the corresponding pipe section is cut into an arc-shaped structure matched with the buried pipe section, and the supporting leg is connected with the buried pipe section in a matched mode.
5. An anti-rotation leg for a buried pipeline according to claim 4, wherein: the supporting legs are fixedly connected to the buried pipe section through adhesives.
6. An anti-rotation leg for a buried pipeline according to claim 2, wherein: the outer diameter of the supporting leg is D1The outer diameter of the pipe section corresponding to the supporting leg is D2And the outer diameter of the supporting leg meets 1/3 XD2≤D1≤D2。
7. An anti-rotation leg for a buried pipeline according to claim 2, wherein: the wall thickness of the supporting leg is T1The wall thickness of the pipe section corresponding to the supporting leg is T2And the wall thickness of the supporting leg satisfies T1≥3/4×T2。
8. An anti-rotation leg for a buried pipeline according to claim 2, wherein: the length of the supporting leg is A, and the outer diameter of the pipe section corresponding to the supporting leg is D2And the length of the supporting leg satisfies A is more than or equal to 1/2 multiplied by D2。
9. An anti-rotation leg for a buried pipeline according to claim 2, wherein: the staggered distance of the two adjacent buried support legs arranged on the pipe sections buried side by side is 2B, and the outer diameter of each support leg is D1And satisfy D1+100mm≤B≤D1+500mm。
10. An anti-rotation leg for a buried pipeline according to any one of claims 6 to 9, wherein: the joint of the landing leg and the buried pipe section is provided with a reinforcing plate, the reinforcing plate is of a rectangular arc plate structure, the inner side of the reinforcing plate is bonded on the buried pipe section and extends along the axial direction of the pipe section, and the outer side of the reinforcing plate is bonded with the arc end of the landing leg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020751816.9U CN212338384U (en) | 2020-05-08 | 2020-05-08 | Anti-rotation support leg of buried pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020751816.9U CN212338384U (en) | 2020-05-08 | 2020-05-08 | Anti-rotation support leg of buried pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212338384U true CN212338384U (en) | 2021-01-12 |
Family
ID=74079552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020751816.9U Active CN212338384U (en) | 2020-05-08 | 2020-05-08 | Anti-rotation support leg of buried pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212338384U (en) |
-
2020
- 2020-05-08 CN CN202020751816.9U patent/CN212338384U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201739662U (en) | Connecting and fixing structure for pipeline bell and spigot | |
| CN101457854A (en) | Large-diameter hot water pipe non-compensation direct-burried laying method | |
| CN201462207U (en) | Sealing device between protective well through hole and underground pipeline | |
| CN201954135U (en) | Modular glass fiber reinforced plastics pipeline | |
| CN202901651U (en) | Clamping claw type high-pressure tube connector | |
| CN212338384U (en) | Anti-rotation support leg of buried pipeline | |
| CN101737560B (en) | Ordinary state uncompensated direct burying method of high-temperature hot water pipeline | |
| CN102345772A (en) | Connecting and fixing structure for pipeline socket | |
| CN205908893U (en) | Flat mouthful lining structure of compound pipe of fibre reinforced plastic concrete | |
| CN211289083U (en) | Long defeated natural gas line mounting structure | |
| CN205078917U (en) | Cross a river conduit bridge structure of mud -rock flow district occurred frequently | |
| CN209818954U (en) | PE water supply pipe capable of preventing joint from bursting | |
| CN210141378U (en) | Direct-buried heat supply pipeline with different limiting and compensating structures for water supply and return pipelines | |
| CN208793816U (en) | A kind of Prestressed concrete cylinder pipe and matched sealing ring | |
| CN203641701U (en) | Lightweight concrete protective wall combined water charging and discharging pipeline | |
| CN204986035U (en) | Confession, fixed festival of return water be anchor block as an organic whole even | |
| CN201772157U (en) | High pressure-resistant reinforced concrete and glass fiber reinforced plastics composite pipe | |
| CN216383108U (en) | Buried pipeline with good protection performance | |
| CN216046025U (en) | Connecting structure for pipelines of different materials and different specifications | |
| CN204226957U (en) | The insulation facility of polyvinyl fuel gas pipeline | |
| CN220320537U (en) | Pipeline with stable connection | |
| CN211948769U (en) | Protection architecture of PVC pipe | |
| CN204692747U (en) | For pipeline longitudinal stress strain relief during horizontal directional drilling | |
| CN218152804U (en) | Buried steel pipeline with compression resistance protection | |
| KR101705091B1 (en) | Protector for underground conduit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |