CN115899442B - Protection device is sealed to new construction river course span oil gas pipeline - Google Patents
Protection device is sealed to new construction river course span oil gas pipeline Download PDFInfo
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- CN115899442B CN115899442B CN202211569374.6A CN202211569374A CN115899442B CN 115899442 B CN115899442 B CN 115899442B CN 202211569374 A CN202211569374 A CN 202211569374A CN 115899442 B CN115899442 B CN 115899442B
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Abstract
The invention discloses a newly-built river crossing oil gas pipeline encapsulation protection device which comprises a first bored pile, a protection steel pipe and a vertical shaft, wherein a concrete crown beam is arranged on the inner side of the first bored pile, underpinning steel beams are symmetrically arranged on the inner side of the concrete crown beam, steel ropes are arranged at the bottoms of the underpinning steel beams, through holes are formed in the tops of the protection steel pipes, an oil gas pipeline support frame is welded and arranged on the inner wall of one side of the protection steel pipe, a mounting groove is formed in one side of the oil gas pipeline support frame, a mounting rack is arranged at the bottom of one side of the oil gas pipeline support frame, a connecting port is formed in the back of the vertical shaft and connected with two ends of the protection steel pipe, and a protection frame is arranged on the inner wall of one side of the vertical shaft. The invention can realize the in-situ protection of the oil gas pipeline, can enter the protection steel pipe through the vertical shaft, is convenient for personnel to maintain, is suitable for the particularly sensitive oil gas pipeline, and does not influence the river excavation construction.
Description
Technical Field
The invention relates to the technical field of oil and gas pipeline protection, in particular to a newly-built river crossing oil and gas pipeline encapsulation protection device.
Background
In the municipal engineering at present, tunnels and utility tunnel penetrating existing underground pipelines are more, but newly-built riverways are used as an open section, flood and navigation and landscape functions are required to be met, a protection device penetrating through the oil and gas pipelines is not a precedent, when the newly-built riverway engineering penetrates through the oil and gas pipelines, firstly, the oil and gas pipelines are considered to be changed to meet the construction requirements of the riverway, when the oil and gas pipelines cannot be changed and can only be placed in situ, when the riverway is constructed, the protection device is required to protect the oil and gas pipelines, when the burying of the oil and gas pipelines is smaller than the design elevation of the riverway, the oil and gas pipelines are considered to be buried in the designed river bottom elevation, the flood and navigation of the riverway are not influenced, the whole-course visual maintenance of the oil and gas pipelines is realized, the oil and gas pipelines are oil and gas collecting stations and transfer stations, and special pipeline facilities for long-distance transportation of the oil and gas pipelines are divided into oil and gas collecting and gas pipelines according to the functions.
When the existing newly-built river engineering passes through the oil gas pipeline, the oil gas pipeline cannot be changed, and only can be placed in situ, the construction of the river possibly damages the oil gas pipeline.
In view of this, it is necessary to provide a protection device for supporting and protecting the oil and gas pipeline across the newly constructed river channel.
Disclosure of Invention
The invention aims to provide a novel river crossing oil gas pipeline encapsulation protection device, so as to solve the problem that the oil gas pipeline is possibly damaged when the river is constructed in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the novel river crossing oil gas pipeline encapsulation protection device comprises a first bored pile, a protection steel pipe and a vertical shaft, wherein a concrete crown beam is arranged on the inner side of the first bored pile, underpinning steel beams are symmetrically arranged on the inner side of the concrete crown beam, and steel ropes are arranged at the bottom of the underpinning steel beams;
the top of the protection steel pipe is provided with a through hole, an oil gas pipeline support frame is welded and installed on the inner wall of one side of the protection steel pipe, one side of the oil gas pipeline support frame is provided with a mounting groove, and the bottom of one side of the oil gas pipeline support frame is provided with a mounting rack;
the back of shaft has seted up the connector, and the connector is connected with the both ends of protection steel pipe, install the protection frame on the inner wall of one side of shaft.
Preferably, the bottom symmetry of underpinning the girder steel installs the connecting rod, and the stop collar is installed to the one end of connecting rod, and the stop collar is located the outside of steel cable.
Preferably, the threaded connection post is installed to the bottom of steel cable, and threaded connection has the connecting block through threaded connection in the bottom of threaded connection post, and the connecting screw hole has been seted up at the top of connecting block, and connects screw hole and threaded connection post threaded connection, and fixed clamp is installed to the bottom of connecting block.
Preferably, the bottom of the protection steel pipe is provided with a later arc-shaped concrete base, the top of the protection steel pipe is provided with a through opening, and the through opening can be subjected to welding rod repair welding to seal the through opening, and the inner wall of the bottom of the protection steel pipe is provided with a walking pedal.
Preferably, a connecting shaft is movably arranged on the inner side of the mounting groove, and a first blocking plate is movably arranged on the outer side of the connecting shaft.
Preferably, a damping bolt is installed on one side of the installation frame in a penetrating mode, a second blocking plate is installed on the inner side of the installation frame through the damping bolt, and the second blocking plate is located on one side of the first blocking plate.
Preferably, a second bored pile is arranged on the outer side of the vertical shaft, and a closing cover is arranged on the top of the vertical shaft through a hinge.
Preferably, an overhaul crawling ladder is arranged in the protection frame.
Compared with the prior art, the invention has the beneficial effects that:
1. the oil-gas pipeline protection system comprises two stages, wherein the first stage comprises the construction of a bored pile enclosure structure at two sides of a river channel, the construction of a vertical shaft is carried out at the same time, a concrete crown beam is arranged at the top of the bored pile, the concrete crown beams are connected through a underpinning steel beam, soil is excavated in a grading manner until the oil-gas pipeline is exposed, at the moment, the oil-gas pipeline is pulled through a steel rope suspended on the underpinning steel beam to play a role in temporary suspension protection, the second stage comprises the installation of a protection steel pipe, the protection steel pipe is connected with the vertical shaft at two sides of the river channel, an oil-gas pipeline support frame is welded in the protection steel pipe, the oil-gas pipeline support frame supports the oil-gas pipeline, at the moment, the switching of the oil-gas pipeline support system can be realized, the underpinning steel beam and the steel rope are removed, the full sealing of the steel pipe is realized at the opening at the top of the steel pipe through welding rods, and then the soil is backfilled according to the elevation design of the river bottom, the oil-gas pipeline in situ protection can be realized, the vertical shaft can enter the protection steel pipe into the protection steel pipe, so that personnel can be convenient for maintain, the protection is suitable for the special sensitive oil-gas pipeline, and the construction of the river channel excavation is not influenced.
2. According to the invention, the limiting sleeve is arranged at the bottom of the underpinning steel beam through the symmetrical connecting rods, and is positioned at the outer side of the steel rope, so that the steel rope can be limited, the large shaking amplitude is prevented from being generated when the oil gas pipeline is supported, the danger is avoided, and the novel built river crossing oil gas pipeline encapsulation protection device is safer to use by arranging the limiting sleeve.
3. According to the invention, the first blocking plate is movably arranged on one side of the oil gas pipeline supporting frame through the mounting groove and the connecting shaft, the first blocking plate can block the oil gas pipeline on the oil gas pipeline supporting frame to prevent the oil gas pipeline from falling off the oil gas pipeline supporting frame, and meanwhile, the first blocking plate is rotated through the second blocking plate to enable the first blocking plate to be in ninety-degree time limit with the oil gas pipeline supporting frame, so that the first blocking plate cannot be turned over and opened.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic diagram of a limiting sleeve according to the present invention;
FIG. 3 is a schematic view of the structure at A of the present invention;
FIG. 4 is a schematic view of the outside structure of the protective steel pipe of the present invention;
FIG. 5 is a schematic view of the internal structure of the protective steel pipe of the present invention;
FIG. 6 is a schematic diagram of the structure of the present invention at B;
FIG. 7 is a schematic view of an overhaul ladder structure of the invention;
FIG. 8 is a schematic plan view of a underpinning steel beam of the present invention;
FIG. 9 is a schematic view of a concrete crown beam structure of the present invention;
FIG. 10 is a schematic view of a steel rope penetration protecting steel pipe according to the present invention;
fig. 11 is a schematic diagram showing connection between a shaft and a protection steel pipe according to the present invention.
In the figure: 1. a first bored pile; 101. a concrete crown beam; 102. underpinning the steel beam; 103. a connecting rod; 104. a limit sleeve; 2. a steel rope; 201. a threaded connection post; 202. a connecting block; 203. a connecting threaded hole; 204. fixing the clamp; 3. protecting the steel pipe; 301. an arc-shaped concrete base; 302. a through hole; 303. a walking pedal; 304. an oil gas pipeline support frame; 4. a mounting groove; 401. a connecting shaft; 402. a first blocking plate; 5. a mounting frame; 501. damping bolts; 502. a second blocking plate; 6. a shaft; 601. a connection port; 602. a second bored pile; 603. closing the cover; 7. a protective frame; 701. and overhauling the cat ladder.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, 2, 3, 8, 9 and 10, an embodiment of the present invention is provided: encapsulating and protecting the newly built river crossing oil gas pipeline;
including first bored concrete pile 1 and steel cable 2, concrete crown beam 101 is installed to the inboard of first bored concrete pile 1, underpinning girder 102 is installed to the inboard symmetry of concrete crown beam 101, connecting rod 103 is installed to the bottom symmetry of underpinning girder 102, stop collar 104 is installed to the one end of connecting rod 103, and stop collar 104 is located the outside of steel cable 2, the bottom of underpinning girder 102 is provided with steel cable 2, threaded connection post 201 is installed to the bottom of steel cable 2, threaded connection post 201's bottom has connecting block 202 through threaded connection, connecting screw hole 203 has been seted up at the top of connecting block 202, and connecting screw hole 203 and threaded connection post 201 threaded connection, fixed clamp 204 is installed to the bottom of connecting block 202.
The first bored pile 1 is an enclosure structure (steel sheet piles or SMW construction method piles can be adopted according to actual conditions), the pile top is provided with a longitudinal continuous concrete crown beam 101, the concrete crown beam 101 and the enclosure structure of the first bored pile 1 are reliably connected through stressed steel bars to form a stable shear force, bending moment and other mechanical transmission paths, the bottom of the underpinning steel beam 102 is provided with a limiting sleeve 104 through a symmetrical connecting rod 103, the limiting sleeve 104 is positioned on the outer side of a steel rope 2, so that the steel rope 2 can be limited, larger shaking amplitude is prevented from being generated when the oil gas pipeline is supported, danger is generated, the newly-built river channel spans the oil gas pipeline to encapsulate and protect the device, meanwhile, the steel rope 2 is installed through a threaded connecting column 201 and a connecting block 202, so that a fixing clamp 204 can be detached, the steel rope 2 can penetrate the limiting sleeve 104, and the fixing clamp 204 is used for fixing the protecting steel pipe 3 to realize suspension protection of the oil gas pipeline.
Referring to fig. 4, 5, 6 and 10, an embodiment of the present invention is provided: encapsulating and protecting the newly built river crossing oil gas pipeline;
including protection steel pipe 3, mounting groove 4 and mounting bracket 5, the through-hole 302 has been seted up at the top of protection steel pipe 3, welded mounting has oil gas pipeline support frame 304 on the inner wall of one side of protection steel pipe 3, arc concrete base 301 after the bottom of protection steel pipe 3 sets up, through-hole 302 has been seted up at the top of protection steel pipe 3, and through-hole 302 can carry out welding rod repair welding and make it sealed, be provided with walking footboard 303 on the bottom inner wall of protection steel pipe 3, mounting groove 4 has been seted up to one side of oil gas pipeline support frame 304, the inboard movable mounting of mounting groove 4 has connecting axle 401, the outside movable mounting of connecting axle 401 has first barrier plate 402, mounting bracket 5 is installed to one side bottom of oil gas pipeline support frame 304, damping bolt 501 is installed in the one side penetration of mounting bracket 5, the inboard of mounting bracket 5 passes through damping bolt 501 and installs second barrier plate 502, and second barrier plate 502 is located one side of first barrier plate 402.
The through opening 302 arranged at the top of the protection steel pipe 3 is used for allowing the oil gas pipeline and the suspension steel rope 2 to pass through, the oil gas pipeline supporting frame 304 is arranged in the protection steel pipe 3 again to effectively support the load of the oil gas pipeline, at the moment, the oil gas pipeline supporting mode is switched, the steel rope 2 is cut off, the temporary underpinning steel beam 102 is removed, the interference with the river structure is avoided, the river flood and navigation are prevented, the landscape effect is not affected, meanwhile, the top of the protection steel pipe 3 is provided with a notch reserved for the suspension steel rope 2, welding materials with the same size are required to be adopted, the full sealing of the protection steel pipe 3 is realized, the arc-shaped concrete base 301 provides a position for supporting the protection steel pipe 3, the walking pedal 303 is convenient for workers to walk and overhaul in the protection steel pipe 3, the first blocking plate 402 is movably installed through the installation groove 4 and the connecting shaft 401, the first blocking plate 402 can block the oil gas pipeline on the oil gas pipeline supporting frame 304, the first blocking plate 402 is prevented from falling from the oil gas pipeline supporting frame 304, and meanwhile, the first blocking plate 402 is rotated through the second blocking plate 502 to enable the oil gas pipeline supporting frame 304 to be ninety degrees, the first blocking plate 502 is prevented from being turned over and opened, the second blocking plate 501 is enabled to be installed through the second blocking plate 502, and the second damping bolt 502 is enabled to rotate, and the second damping bolt 502 is enabled to be installed to have a damping bolt.
Referring to fig. 1, 7 and 11, an embodiment of the present invention provides: encapsulating and protecting the newly built river crossing oil gas pipeline;
including shaft 6 and protection frame 7, connector 601 has been seted up at the back of shaft 6, and connector 601 is connected with the both ends of protection steel pipe 3, the outside of shaft 6 is provided with second drilling bored concrete pile 602, the closing cap 603 is installed through the hinge at the top of shaft 6, install protection frame 7 on the inner wall of one side of shaft 6, protection frame 7's inside is provided with maintenance cat ladder 701, second drilling bored concrete pile 602 is used for enclosing shaft 6, shaft 6's through connector 601 and protection steel pipe 3 are connected, make the staff enter into shaft 6 through maintenance cat ladder 701, the rethread connector 601 enters into in the protection steel pipe 3, provide good working channel for oil gas pipeline maintenance operation, the oil gas pipeline of being convenient for passes Duan Quancheng visual maintenance, protection frame 7 is used for protecting the personnel on the maintenance cat ladder 701, make personnel safer when using maintenance cat ladder 701.
The working steps are as follows:
(1) A first bored pile 1 is applied to two ends of the oil gas pipeline on the right bank of the river within a certain range;
(2) A concrete crown beam 101 is applied to the inner side of the top of the first bored pile 1, and a rectangular or circular vertical shaft 6 is applied to the periphery of an oil and gas pipeline;
(3) Erecting a underpinning steel beam 102 above the detected horizontal travel of the underground oil and gas pipeline, and connecting two ends of the underpinning steel beam with a concrete crown beam 101;
(4) Steel ropes 2 are arranged on the underpinning steel beam 102 according to a certain building, so as to prepare for hanging after the oil and gas pipeline is exposed;
(5) Excavating soil in the river course range until the oil and gas pipeline is completely exposed, and temporarily fixing the oil and gas pipeline by using a fixing clamp 204 through a steel rope 2;
(6) A concrete arc-shaped concrete base 301 is arranged below the oil and gas pipeline, a protection steel pipe 3 is arranged, and parameters such as the diameter, the wall thickness and the like of the protection steel pipe 3 are that a through hole 302 is formed in the top of the steel pipe for penetrating through the hanging steel rope 2.
(7) The oil gas pipeline load is supported by the oil gas pipeline support frame 304 welded in the protection steel pipe 3, the support system is switched, the hanging steel ropes 2 are removed, and the steel beam 102 is transversely underpinned, so that the river flood navigation and landscape effect are not affected.
(8) The protection steel pipe 3 links to each other with both ends shaft 6, sets up maintenance cat ladder 701 in the shaft 6, supplies maintainer patrol, operation to use, realizes that oil gas pipeline crosses the visual maintenance of river Duan Quancheng, avoids because of oil gas pipeline trouble, the influence to river course construction and operation period that the whole line investigation cause leads to.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (3)
1. Newly build river course and stride across oil gas pipeline and seal protection device, including first drilling bored concrete pile (1), protection steel pipe (3) and shaft (6), its characterized in that: a concrete crown beam (101) is arranged on the inner side of the first bored pile (1), underpinning steel beams (102) are symmetrically arranged on the inner side of the concrete crown beam (101), and steel ropes (2) are arranged at the bottom of the underpinning steel beams (102);
the oil gas pipeline protection device is characterized in that a through hole (302) is formed in the top of the protection steel pipe (3), an oil gas pipeline support frame (304) is welded and installed on the inner wall of one side of the protection steel pipe (3), a mounting groove (4) is formed in one side of the oil gas pipeline support frame (304), and a mounting rack (5) is installed at the bottom of one side of the oil gas pipeline support frame (304);
a connecting port (601) is formed in the back of the vertical shaft (6), the connecting port (601) is connected with two ends of the protection steel pipe (3), and a protection frame (7) is arranged on the inner wall of one side of the vertical shaft (6);
the bottom of the underpinning steel beam (102) is symmetrically provided with a connecting rod (103), one end of the connecting rod (103) is provided with a limiting sleeve (104), and the limiting sleeve (104) is positioned at the outer side of the steel rope (2);
a threaded connecting column (201) is arranged at the bottom end of the steel rope (2), a connecting block (202) is connected to the bottom end of the threaded connecting column (201) through threads, a connecting threaded hole (203) is formed in the top of the connecting block (202), the connecting threaded hole (203) is in threaded connection with the threaded connecting column (201), and a fixing clamp (204) is arranged at the bottom of the connecting block (202);
the bottom of the protection steel pipe (3) is provided with a later arc-shaped concrete base (301), the top of the protection steel pipe (3) is provided with a through hole (302), the through hole (302) is sealed by welding rod repair welding, and the inner wall of the bottom of the protection steel pipe (3) is provided with a traveling pedal (303);
a connecting shaft (401) is movably arranged on the inner side of the mounting groove (4), and a first blocking plate (402) is movably arranged on the outer side of the connecting shaft (401);
a damping bolt (501) is arranged on one side of the mounting frame (5) in a penetrating manner, a second blocking plate (502) is arranged on the inner side of the mounting frame (5) through the damping bolt (501), and the second blocking plate (502) is positioned on one side of the first blocking plate (402);
the oil gas pipeline protection system is divided into two stages: the first stage comprises constructing bored pile building envelope structures on two sides of a river channel, constructing a vertical shaft (6) at the same time, arranging concrete crown beams (101) at the pile tops of the bored piles, connecting the concrete crown beams (101) through underpinning steel beams (102), excavating soil in stages until the oil and gas pipelines are exposed, and pulling the oil and gas pipelines through steel ropes (2) suspended on the underpinning steel beams (102);
the second stage, through installing protection steel pipe (3), this protection steel pipe links to each other with river course both sides shaft (6), welding oil gas pipeline support frame (304) in protection steel pipe (3), oil gas pipeline support frame (304) hold up oil gas pipeline, be used for the switching of oil gas pipeline support system, demolish underpinning girder steel (102) and steel cable (2), carry out the steel pipe totally enclosed through welding rod repair welding at steel pipe top opening part's through-hole (302), backfill the earthwork according to river bed design elevation again, realize oil gas pipeline normal position protection, enter into the protection steel pipe through shaft (6) and be convenient for personnel maintain.
2. The newly-built river crossing oil and gas pipeline encapsulation protection device according to claim 1, wherein: the outside of shaft (6) is provided with second drilling bored concrete pile (602), and closing cap (603) is installed through the hinge in the top of shaft (6).
3. The newly-built river crossing oil and gas pipeline encapsulation protection device according to claim 1, wherein: an overhaul crawling ladder (701) is arranged in the protection frame (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211569374.6A CN115899442B (en) | 2022-12-08 | 2022-12-08 | Protection device is sealed to new construction river course span oil gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211569374.6A CN115899442B (en) | 2022-12-08 | 2022-12-08 | Protection device is sealed to new construction river course span oil gas pipeline |
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| Publication Number | Publication Date |
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| CN115899442A CN115899442A (en) | 2023-04-04 |
| CN115899442B true CN115899442B (en) | 2023-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211569374.6A Active CN115899442B (en) | 2022-12-08 | 2022-12-08 | Protection device is sealed to new construction river course span oil gas pipeline |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115899442B (en) * | 2022-12-08 | 2023-09-15 | 中交第四航务工程局有限公司 | Protection device is sealed to new construction river course span oil gas pipeline |
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| CN115899442A (en) | 2023-04-04 |
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