CN114321507B - Pipeline protection device for suspension span - Google Patents
Pipeline protection device for suspension span Download PDFInfo
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- CN114321507B CN114321507B CN202210013944.7A CN202210013944A CN114321507B CN 114321507 B CN114321507 B CN 114321507B CN 202210013944 A CN202210013944 A CN 202210013944A CN 114321507 B CN114321507 B CN 114321507B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The invention discloses a protection device for a suspended span pipeline, which comprises the following components: a supporting mechanism and a water blocking mechanism; the support mechanism is provided with at least one support blocking structure body for supporting the suspended span pipeline and blocking water flow so that part of sediment in the water flow is deposited on one side of the support blocking structure body; the water blocking mechanism is provided with at least one water flow guiding structure body which is used for reducing the flow speed of water flow and enabling part of sediment carried by the water flow to be deposited on the other side of the at least one supporting and blocking structure body; wherein the supporting mechanism is fixedly arranged below the water blocking mechanism; the protection device for the suspended span pipeline can block part of past water flow, so that sediment is fully settled on sand beds in front and behind the pipeline, and the expansion of a flushing pit below the suspended span pipeline is prevented; meanwhile, a certain supporting force can be provided for the pipeline, and the downstream vortex-induced vibration is eliminated under the condition that the stress of the pipeline is not influenced.
Description
Technical Field
The invention relates to the technical field of suspended span pipeline engineering, in particular to a suspended span pipeline protection device.
Background
Pipelines are currently the primary means of oil and gas delivery. The pipeline receives the wave current effect, probably appears flushing pit in its bottom, and the clearance velocity of flow is big, takes away a large amount of silt, leads to flushing pit rapid extension, and the pipeline is heavy owing to the dead weight, seriously influences its atress situation. As the wave action pipeline oscillates, the pipeline is fatigued and damaged. The water flow impacts the pipeline to accelerate the aging of the pipeline. Currently free length is reduced to prevent vortex shedding mainly by using single pile supports, which cannot slow down the expansion of the scour pit, prevent scour by stone-throwing cover, and have some damage to the pipeline.
Disclosure of Invention
The invention provides a suspended span pipeline silt protection device, which aims to solve the problem of rapid expansion of a flushing pit of a suspended span pipeline.
In order to solve the problems, the invention adopts the following technical scheme:
a suspended span pipe protection device comprising: a supporting mechanism and a water blocking mechanism. The support mechanism is provided with at least one support blocking structure body for supporting the suspended span pipeline and blocking water flow so that part of sediment in the water flow is deposited on one side of the support blocking structure body; the water blocking mechanism is provided with at least one water flow guiding structure body which is used for reducing the flow speed of water flow and enabling part of sediment carried by the water flow to be deposited on the other side of the at least one supporting and blocking structure body.
At least one embodiment of the present disclosure provides a suspended span pipe protection device in which: the supporting mechanism and the water blocking mechanism further comprise: the at least one shield is used for being sleeved on the suspension span pipeline; the supporting mechanism and the water blocking mechanism are fixed outside the suspended span pipeline through the shield, so that the assembly convenience is good, the shield covers the surface of the pipeline, and the direct impact of water flow on the pipeline can be effectively eliminated.
At least one embodiment of the present disclosure provides a suspended span pipe protection device in which: the supporting and blocking structure body is located below the water flow guiding structure body, and the supporting and blocking structure body and the water flow guiding structure body are distributed at an acute angle or a right angle or an obtuse angle, the whole structure is similar to a streamline structure, the whole structure can be ensured to be subjected to smaller resistance, and the burden of the whole structure is reduced.
At least one embodiment of the present disclosure provides a suspended span pipe protection device in which: the support barrier structure comprises: at least one connector and at least one support; the at least one connecting piece is provided with at least one connecting groove; the upstream face of at least one support member having at least one pulse-like assembly telescopically received within the at least one connecting slot, the at least one pulse-like assembly for positioning at least a portion of the at least one support member extending out of the at least one connecting slot; by being provided with the pulse simulating valve assembly, the whole support piece is not easy to back up and can be connected into the groove, and meanwhile stability of the support piece after being disassembled into the seabed can be improved.
At least one embodiment of the present disclosure provides a suspended span pipe protection device in which: the pulse-like valve component comprises: at least one telescopic rod, at least one spring and at least one elastic sheet; one end of at least one telescopic rod is rotationally connected with the supporting piece; at least one spring is disposed at one side of the support, and the at least one telescopic rod passes through the at least one spring; at least one elastic sheet is rotationally connected with the supporting piece; the telescopic rod and the at least one spring are both positioned between the at least one elastic sheet and the supporting piece, and the other end of the at least one telescopic rod is rotationally connected with the at least one elastic sheet.
At least one embodiment of the present disclosure provides a suspended span pipe protection device in which: the water flow guiding structure body comprises: at least one water-blocking plate and at least one flow-guiding plate; the at least one water blocking plate is provided with at least one water passing hole; at least one baffle is disposed on the upstream face of the at least one water-blocking plate.
At least one embodiment of the present disclosure provides a suspended span pipe protection device in which: the water passing holes and the guide plates are distributed at intervals.
At least one embodiment of the present disclosure provides a suspended span pipe protection device in which: at least one accommodating cavity is formed in the groove wall of the connecting groove and used for accommodating the elastic sheet.
At least one embodiment of the present disclosure provides a suspended span pipe protection device in which: the deflector is configured to be parallel to a suspended span pipe and the deflector is positioned above the suspended span pipe.
At least one embodiment of the present disclosure provides a suspended span pipe protection device in which: the connecting piece is provided with a positioning mechanism for fixing the supporting piece.
The beneficial effects of the invention are as follows: by blocking part of the passing water flow, sediment is fully settled on the sand beds in front and behind the pipeline, and the expansion of a flushing pit below the suspended span pipeline is prevented; meanwhile, a certain supporting force can be provided for the pipeline, and the downstream vortex-induced vibration is eliminated under the condition that the stress of the pipeline is not influenced; the shield covers the surface of the pipeline, so that the direct impact of water flow on the local part of the pipeline can be effectively eliminated. The device is extremely convenient to install, can quickly realize the trinity of silt, supporting and protecting functions, and prolongs the service life of the pipeline. Compared with the supporting and protecting modes of the suspended pipeline in the past, the device can not cause secondary damage to the pipeline and can not influence the surrounding ecology.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of a suspension span pipe protection device according to the present invention.
Fig. 2 is a view showing a state of use of the suspended span pipe protecting device of the present invention.
Fig. 3 is a cross-sectional view of a support mechanism of a suspended span pipe protection device of the present invention.
Fig. 4 is a partial cross-sectional view of a support mechanism of a suspended span pipe protection device of the present invention.
Fig. 5 is a schematic diagram of the overall structure of a suspension span pipe protection device according to the present invention.
Fig. 6 is an assembled schematic view of a simulated pulse valve assembly of a suspended span tubing protector of the present invention.
In the figure:
10. a support mechanism; 11. a support barrier structure; 12. a first shield; 111. a connecting piece; 112. a support; 113. a connecting groove; 114. a pulse-like valve assembly; 115. a telescopic rod; 116. a spring; 117. a spring plate; 118. a receiving chamber; 119. positioning a screw;
20. a water blocking mechanism; 21. a water flow guiding structure; 22. a second shield; 211. a water blocking plate; 212. a deflector; 213. and water holes.
Detailed Description
The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only some embodiments, not all embodiments.
In the embodiments, it should be understood that the directions or positional relationships indicated by the terms "middle", "upper", "lower", "top", "right side", "left end", "above", "back", "middle", etc. are based on the directions or positional relationships shown in the drawings are merely for convenience of description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.
In addition, in the description of the present invention, unless explicitly stated and limited otherwise, terms such as mounting, connecting, and coupling, etc., should be construed broadly, and may be, for example, fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. The terms "first," "second," and the like, as used in this disclosure, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items.
At least one embodiment of the present disclosure provides a suspended span pipe protection device comprising: a supporting mechanism and a water blocking mechanism. The supporting mechanism is provided with a supporting and blocking structure body for supporting the suspended span pipeline and blocking water flow, so that part of sediment in the water flow is deposited on one side of the supporting structure body; the water blocking mechanism is provided with a water flow guiding structure body which is used for reducing the flow speed of water flow, so that part of sediment carried by the water flow is deposited on the other side of the supporting and blocking structure body.
At least one embodiment of the present disclosure provides a suspended span pipe protection device in which: the supporting mechanism further comprises a first shield, the water blocking mechanism further comprises a second shield, and semicircular grooves matched with the suspended span pipelines are formed in the first shield and the second shield; the first shield and the second shield are sleeved on the suspended span pipeline, and the first shield and the second shield are fixed through bolts and nuts.
At least one embodiment of the present disclosure provides a suspended span pipe protection device in which: the supporting and blocking structure body is positioned below the water flow guiding structure body, and the supporting and blocking structure body and the water flow guiding structure body are distributed at an acute angle or at a right angle or at an obtuse angle.
At least one embodiment of the present disclosure provides a suspended span pipe protection device in which: the support and barrier structure comprises: a connecting member and a supporting member; the connecting piece is provided with a connecting groove; the upstream surface of the support piece is provided with a pulse-like component, one end of the support piece is inserted into the connecting groove, and the pulse-like component is used for positioning the part of the support piece extending out of the connecting groove, so that the extending part of the support piece cannot be retracted into the connecting groove; and meanwhile, the vein-like valve component extending out of the connecting groove forms a barb-like structure, so that the supporting piece does not need to be separated from the river bed after being inserted into the river bed, and good stability is provided.
At least one embodiment of the present disclosure provides a suspended span pipe protection device in which: the pulse-like valve component comprises: the telescopic rod, the spring and the elastic sheet; one end of the telescopic rod is rotationally connected with the supporting piece; the spring is arranged on one side of the support piece, and the telescopic rod penetrates through the spring; the spring plate is rotationally connected with the supporting piece; wherein, telescopic link and spring all are located between shell fragment and the support piece, and the telescopic link other end rotates with the shell fragment to be connected, imitative pulse lamella subassembly shifts out the spread groove after, can realize the self-reset owing to the effect of spring, and the convenience is good.
At least one embodiment of the present disclosure provides a suspended span pipe protection device in which: the water flow guiding structure body comprises: a water-blocking plate and a flow guide plate; the water blocking plate is provided with water passing holes; the guide plate is arranged on the upstream surface of the water blocking plate.
At least one embodiment of the present disclosure provides a suspended span pipe protection device in which: the water passing holes and the guide plates are distributed at intervals.
At least one embodiment of the present disclosure provides a suspended span pipe protection device in which: be provided with on the cell wall of spread groove and hold the chamber, hold the chamber and be used for holding the shell fragment, be equipped with through at the spread groove and hold the chamber, can hold the shell fragment, be favorable to reducing the size of whole spread groove for can tighten more between spread groove and the support piece, reduce the condition of rocking. Simultaneously the holding tank can also play spacing effect to the shell fragment, and the shell fragment can support in holding the intracavity, and then can be further avoid support piece to stretch out the partial location of spread groove and can not return to the spread groove in.
At least one embodiment of the present disclosure provides a suspended span pipe protection device in which: the deflector is configured to be parallel to the suspended span pipe and the deflector is positioned above the suspended span pipe.
At least one embodiment of the present disclosure provides a suspended span pipe protection device in which: the connecting piece is provided with a positioning mechanism for fixing the supporting piece.
The detection chip of the embodiments of the present disclosure will be generally described below with reference to the accompanying drawings.
As shown in fig. 1 to 6, a suspended span pipe protection device includes: a support mechanism 10 and a water blocking mechanism 20. The support mechanism 10 has a support blocking structure 11 and a first shield 12; the water blocking mechanism 20 has a water guiding structure 21 and a second shield 22.
In this embodiment, through being provided with first guard shield 12 and second guard shield 22 with supporting mechanism 10 and water blocking mechanism 20 fix outside the span pipeline, the assembly convenience is good, and the guard shield covers the pipeline surface, can effectively eliminate the local direct impact of rivers to the pipeline, and first guard shield and second guard shield all are half tubular setting, all have on first guard shield 12 and the second guard shield 22 with span pipeline mutually the semicircle groove that agrees with, when using first guard shield 12 and second guard shield 22 pass through bolt and nut fixedly cover and establish at the periphery of span pipeline.
In the present embodiment, the supporting and blocking structure 11 is located below the water diversion structure 21, and the supporting and blocking structure 11 and the water diversion structure 21 are distributed at right angles.
In the present embodiment, the support barrier structure 11 includes: a connecting member 111 and a supporting member 112; the connecting piece 111 is integrally arranged with the first shield 12, and the connecting piece 111 is provided with a connecting groove 113; the upstream surface of the support piece 112 is provided with a pulse-like component 114, one end of the support piece 112 is inserted into the connecting groove 113, and the pulse-like component 114 can be propped between the connecting piece 111 and the support piece 112 after being reset when in use, so that the extending part of the support piece 112 is prevented from being retracted into the connecting groove 113; by being equipped with the prosthetic valve assembly 114, the entire support 112 is not easily reversed and can be connected into the groove 113 while also improving the stability of the support 112 after it is removed from the seabed.
The pulse-like valve assembly 114 comprises: a telescopic rod 115, a spring 116 and a shrapnel 117; one end of the telescopic rod 115 is rotatably connected with the supporting piece 112; the spring 116 is disposed at one side of the support 112, and the telescopic rod 115 passes through the spring 116; the spring plate 117 is rotatably connected with the support 112; the telescopic rod 115 and the spring 116 are both located between the elastic sheet 117 and the supporting piece 112, and the other end of the telescopic rod 115 is rotationally connected with the elastic sheet 117. The groove wall of the connecting groove 113 is provided with a containing cavity 118, and the containing cavity 118 can contain the elastic sheet 117. Wherein the telescopic rod 115, the elastic sheet 117 and the supporting member 112 form a triangle structure.
Illustratively, the supporting member 112 and the elastic sheet 117 are respectively provided with a connecting seat, and the telescopic rod 115 rotates with the connecting seat through a rotating shaft.
In this embodiment, the water diversion structure 21 includes: a water blocking plate 211 and a deflector 212; the water blocking plate 211 and the second shield 22 are integrally arranged, the water blocking plate 211 is provided with water passing holes 213, and the water passing holes 213 are provided with a plurality of water passing holes and are distributed in a rectangular array; the baffle 212 is disposed on the upstream surface of the water-blocking plate 211, the water-passing holes 213 and the baffle 212 are distributed at intervals, the baffle 212 is disposed parallel to the suspended span pipe, the baffle 212 is disposed above the suspended span pipe, and the water-blocking plate 211 and the baffle 212 are integrally disposed.
In the present embodiment, the connecting member 111 is provided with a positioning mechanism; illustratively, the positioning mechanism includes a positioning screw 119, and the connecting member 111 is provided with a screw hole matched with the positioning screw 119, and the screw hole is communicated with the connecting groove.
In yet another embodiment, not shown, the support blocking structure is located below the water diversion structure, and the support blocking structure and the water diversion structure are disposed at an acute angle.
In yet another embodiment, not shown, the support blocking structure is located below the water diversion structure, and the support blocking structure and the water diversion structure are distributed at an obtuse angle.
In the description of the present specification, a description referring to the terms "present embodiment," "some embodiments," "other embodiments," or "specific examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Although embodiments of the present application have been shown and described above, the scope of the present invention is not limited thereto, and any changes or substitutions that do not undergo the inventive effort are intended to be included within the scope of the present invention; no element, act, or instruction used herein should be construed as critical or essential unless explicitly described as such.
Claims (7)
1. A suspended span pipe protection device, comprising:
at least one support mechanism having at least one support blocking structure for supporting the suspended span pipe and blocking a portion of the water flow such that a portion of the sediment in the water flow is deposited on one side thereof; and
the water blocking mechanism is provided with at least one water flow guiding structure body which is used for reducing the flow speed of water flow and enabling part of sediment carried by the water flow to be deposited on the other side of the at least one supporting and blocking structure body;
the water flow guiding structure body comprises:
at least one water-blocking plate with at least one water-passing hole; and
at least one deflector disposed on the upstream surface of the at least one water-blocking plate;
the supporting mechanism and the water blocking mechanism further comprise:
the at least one shield is sleeved on the suspension span pipeline;
the supporting and blocking structure body is positioned below the water flow guiding structure body, and the supporting and blocking structure body and the water flow guiding structure body are distributed at an acute angle or a right angle or an obtuse angle.
2. The apparatus of claim 1, wherein the support and barrier structure comprises:
at least one connector having at least one connecting slot; and
at least one support having at least one flap-like assembly on the upstream surface thereof, the at least one support being telescopically received within the at least one connecting slot, the at least one flap-like assembly being for positioning at least a portion of the at least one support extending out of the at least one connecting slot.
3. The device of claim 2, wherein the pulse-like flap assembly comprises:
at least one telescopic rod, one end of which is rotatably connected with the supporting piece;
at least one spring disposed at one side of the support, and through which the at least one telescopic rod passes; and
at least one spring plate rotatably connected with the support member;
the telescopic rod and the at least one spring are both positioned between the at least one elastic sheet and the supporting piece, and the other end of the at least one telescopic rod is rotationally connected with the at least one elastic sheet.
4. The apparatus of claim 1, wherein the water passing holes and the deflector are spaced apart.
5. A suspension pipeline protection device according to claim 3, wherein at least one accommodating cavity is arranged on the wall of the connecting groove, and the at least one accommodating cavity is used for accommodating the elastic sheet.
6. The apparatus of claim 1, wherein the deflector is configured to be parallel to the suspended span pipe and the deflector is positioned above the suspended span pipe.
7. The apparatus of claim 5, wherein the connector includes a positioning mechanism for securing the support member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210013944.7A CN114321507B (en) | 2022-01-06 | 2022-01-06 | Pipeline protection device for suspension span |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210013944.7A CN114321507B (en) | 2022-01-06 | 2022-01-06 | Pipeline protection device for suspension span |
Publications (2)
| Publication Number | Publication Date |
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| CN114321507A CN114321507A (en) | 2022-04-12 |
| CN114321507B true CN114321507B (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210013944.7A Active CN114321507B (en) | 2022-01-06 | 2022-01-06 | Pipeline protection device for suspension span |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8402361D0 (en) * | 1984-01-30 | 1984-02-29 | Alsop Peter | Controlling erosion of sea/river beds |
| CN102278530B (en) * | 2011-08-02 | 2013-07-10 | 天津大学 | Submarine pipeline buckle arrestor with guide plates |
| NL2013829B1 (en) * | 2014-11-19 | 2016-10-11 | Lankhorst Eng Products B V | Twin-fin fairing. |
| GB2538729B (en) * | 2015-05-26 | 2017-11-15 | Subsea 7 Norway As | Protecting subsea structures |
| CN204959748U (en) * | 2015-09-18 | 2016-01-13 | 浙江科技学院 | A anchor for preventing danger rock |
| CN206582467U (en) * | 2017-03-14 | 2017-10-24 | 宁波大学 | A kind of anti-impact brush device suitable for submarine pipeline |
| CN212409706U (en) * | 2020-05-13 | 2021-01-26 | 李兴斌 | Hydraulic engineering construction survey and drawing laying-out device |
| CN111878628A (en) * | 2020-07-28 | 2020-11-03 | 浙江海洋大学 | Offshore oil gas submarine pipeline protection device |
| CN214245706U (en) * | 2020-12-03 | 2021-09-21 | 北京东地岩土工程有限公司 | Enlarged footing stock structure |
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