CN112301876A - Pier active collision avoidance device based on impact hydrodynamic force - Google Patents
Pier active collision avoidance device based on impact hydrodynamic force Download PDFInfo
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- CN112301876A CN112301876A CN202011266368.4A CN202011266368A CN112301876A CN 112301876 A CN112301876 A CN 112301876A CN 202011266368 A CN202011266368 A CN 202011266368A CN 112301876 A CN112301876 A CN 112301876A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000005507 spraying Methods 0.000 claims abstract description 39
- 239000007921 spray Substances 0.000 claims abstract description 23
- 230000008859 change Effects 0.000 claims abstract description 18
- 239000005060 rubber Substances 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000002131 composite material Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims 1
- 239000011440 grout Substances 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 7
- 239000002002 slurry Substances 0.000 abstract description 6
- 230000003111 delayed effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 230000009467 reduction Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/20—Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards
- E02B3/26—Fenders
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses an active pier collision avoidance device based on impact water power. The floating inner ring, the floating block and the rotary spraying cavity are semi-floated on the water surface and can float up and down along the fixed frame so as to adapt to the change of the water level. The rotary spraying cavity is formed by enclosing an annular inner wall and a rubber outer wall into a plurality of independent convex cavities, the spray heads are arranged at the bottom of the cavities, water flow can freely pass in and out, accumulated water in the cavity is extruded and sprayed to impact a bottom slurry sheet during impact, the rotary spraying cavity is rotated, the impact direction of a ship is changed in time, the ship and the pier can be separated as early as possible, and the active collision avoidance effect is achieved. The device can effectively utilize the impact energy of the ship, convert the impact energy into rotational kinetic energy, actively guide the ship to change the motion direction in time, and reduce the input of the impact energy; meanwhile, the rotary spraying cavity adopts a rubber outer wall, so that the impact time can be effectively delayed, and the impact force is reduced; and the automatic elastic reset can be realized, so that repeated collision avoidance is realized, and replacement and maintenance are not needed.
Description
Technical Field
The invention relates to a pier active collision avoidance device based on impact water power, and belongs to the field of bridge and pier structure ship collision avoidance and disaster reduction.
Background
In recent years, due to rapid development of economy and traffic industry, more and more bridge projects are erected on waterways, so that the original waterways are narrowed, meanwhile, more and more vehicles such as ships and the like on the waterways are provided, the number and the tonnage of the vehicles are also increased, and in addition, due to the influence factors such as severe environment, fatigue driving and the like, accidents that the ships and the like impact on the bridge often occur at present. The ship impact not only can cause the damage of the ship, but also can cause the damage of the bridge structure, even cause the collapse of the bridge structure, and cause serious economic and social influence. Therefore, in order to ensure the safety of the ship and the bridge, it is necessary to take effective measures to avoid the ship collision of the bridge abutment or reduce the damage caused by the ship collision.
At present, in order to improve the safety of a ship impacting a bridge pier, the existing prevention and control method mainly comprises the following three aspects: firstly, a method for enhancing the self-resistance of the bridge pier needs higher economic cost for bridge construction by enhancing the self-resistance of the bridge pier; secondly, the probability of collision caused by congestion or narrow is reduced by widening the distance between bridge piers; thirdly, the bridge pier is provided with a defense anti-collision device, the existing anti-collision device is divided into a direct mode such as a chord protection mode and a rope deformation mode and an indirect mode such as a pile group mode and a man-made island mode, and the existing anti-collision device becomes a common bridge anti-collision means.
The existing pier anti-collision devices have the characteristics, but most of the existing pier anti-collision devices belong to passive compression resistance disaster reduction devices, the collision time is delayed or collision energy is consumed mainly through collision deformation of the anti-collision devices and materials, the general idea is how to reduce and consume the collision energy of ships, and few anti-collision devices pay attention to how to utilize and convert the collision energy and are used for bridge anti-collision and disaster reduction. In addition, the ideal pier anti-collision device also ensures that the collision ship is separated from the bridge abutment as early as possible, reduces the input of collision energy, and has the characteristics of repeated anti-collision for many times, convenience in maintenance and replacement and the like.
Disclosure of Invention
The invention aims to provide an active pier collision avoidance device based on impact water power, which can effectively solve the problems and adopts the following specific technical scheme:
a pier active collision avoidance device based on impact hydrodynamic force is characterized in that the device is wrapped outside a pier and sequentially comprises a fixed frame, a floating inner ring, a floating block and a rotary spraying cavity from inside to outside, wherein the fixed frame is formed by fixing 3-6 straight rods parallel to the axis of the pier around the pier through 2-4 hoops, the fixed frame is arranged in the change range of the normal water level of a river, and the length of the fixed frame is longer than the change height difference of the normal water level of the river; the floating inner ring is connected by 2-4 annular bearing bases through an annular steel plate, a groove matched with a straight rod of the fixed frame is formed in the inner side of the base, a transverse rotating chute is formed in the outer side of the base, and the floating inner ring can slide up and down along the fixed frame; the rotary spraying cavity is formed by enclosing an annular inner wall and a rubber outer wall into a plurality of independent convex cavities through pressing strips, a sliding groove is formed in the inner side of the annular inner wall and matched with a sliding groove in the outer side of the floating inner ring base, and the sliding groove and the floating inner ring base are connected through a plurality of small steel balls in the corresponding sliding groove to realize the rotation of the spraying cavity; the floating block is arranged between the floating inner ring and the rotary spraying cavity and is fixed with the floating inner ring.
Furthermore, the floating inner ring, the floating block and the rotary spraying cavity are connected to form a distribution component, and the whole body can slide up and down along the fixed frame along with the change of water level; the rotary spraying cavity can rotate around the floating inner ring under the action of water spraying impact in the cavity.
Furthermore, a plurality of vertical slurry sheets are arranged at the bottom of the floating inner ring, the vertical slurry sheets are bounded by the axial tangent plane of the connected pier, and the planes of the vertical slurry sheets on the left side and the right side of the axial tangent plane of the pier are respectively arranged at an angle of plus or minus 45 degrees with the axis of the pier.
Furthermore, 4-8 independent convex cavities are enclosed by the outer rubber wall of the rotary spraying cavity and the inner annular wall through pressing strips or adhesive, each convex cavity can be divided into a plurality of cavities, a spray head is arranged at the bottom of the innermost cavity, the spray head is arranged in the projection plane of the pulp sheet and fixed with the inner annular wall, and water flow can flow into and spray out of the cavities through the spray head.
Furthermore, the floating block can be made of rubber, plastic, foam or light composite materials, can be in the shape of an annular hollow block or a solid block, and has the volume determined by the relative weight of the collision avoidance device, so that the collision avoidance device semi-floats in water.
Furthermore, the fixed frame, the floating inner ring and the annular inner wall of the rotary spraying cavity can be made of steel or composite fiber materials.
The invention has the beneficial effects that: the device can effectively utilize the impact energy of the ship, convert the impact energy into rotational kinetic energy, actively guide the ship to change the motion direction in time, and reduce the input of the impact energy; particularly, the arrangement of the paddles in different directions at the bottom of the floating inner ring can lead the anti-collision device to collide left and right to correct the running direction of the ship in time under the collision effect, thus reducing the damage of the ship and the bridge pier; meanwhile, the rotary spraying cavity adopts a rubber outer wall, so that the impact time can be effectively delayed, the impact force is reduced, automatic elastic reset can be realized, repeated collision avoidance is realized, and replacement and maintenance are not needed. In addition, the floating inner ring, the floating block and the rotary spraying cavity float on the water surface in a semi-floating mode, can float up and down along the fixed frame, and can adapt to the change of the water level.
The present invention will be described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic view of the installation of the pier active collision avoidance device of the present invention on a pier;
FIG. 2 is a schematic top view of an active collision avoidance pier device according to the present invention;
FIG. 3 is a schematic cross-sectional view of an active collision avoidance device for bridge piers according to the present invention;
fig. 4 is a schematic view of the combination and disassembly of the pier active collision avoidance device of the present invention;
reference numerals: 1, bridge piers; 2 fixing the frame; 2.1 straight rod; 2.2, a hoop; 3, floating the inner ring; 3.1 an annular bearing base; 3.2 annular steel plates; 4, rotating the spraying cavity; 4.1 an annular inner wall; 4.2 rubber outer wall; 4.3 a spray head; 4.4 layering; 5, small steel balls; 6, floating blocks; 7, pulping; 8 the bolt.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described are only a part of the embodiments of the present invention, and not all embodiments, and therefore, the present invention is not limited to the protection scope of the present invention, which is described in the first place.
Referring to fig. 1 to 4, which show a first preferred embodiment of the present invention, an active collision avoidance device for pier based on collision hydrodynamic force is disclosed, which comprises a fixed frame, a floating inner ring, a floating block and a rotating spray cavity sequentially arranged from inside to outside, wherein the rotating spray cavity cooperates with the floating inner ring to effectively utilize collision energy of a ship and convert the collision energy into rotational kinetic energy, so as to actively guide the ship to change the motion direction in time and reduce the input of collision energy; meanwhile, the collision time can be effectively delayed, the collision force is reduced, automatic elastic reset can be realized, repeated collision avoidance is realized, and replacement and maintenance are not needed.
The design scheme of the embodiment is as follows:
a pier active collision avoidance device based on impact hydrodynamic force is characterized in that the device is wrapped outside a pier 1 and sequentially comprises a fixed frame 2, a floating inner ring 3, a floating block 6 and a rotary spraying cavity 4 from inside to outside, wherein the fixed frame 2 is formed by fixing 3-6 straight rods 2.1 parallel to the axis of the pier around the pier 1 through 2-4 hoops 2.2, the fixed frame 2 is arranged in the change range of the normal water level of a river, and the length of the fixed frame 2 is longer than the change height difference of the normal water level of the river; the floating inner ring 3 is connected by 2-4 annular bearing bases 3.1 through annular steel plates 3.2, the inner side of each base is provided with a groove matched with a straight rod of the fixed frame 2, the outer side of each base is provided with a transverse rotating chute, and the floating inner ring 3 can slide up and down along the fixed frame 2; the rotary spraying cavity 4 is formed by an annular inner wall 4.1 and a rubber outer wall 4.2 which are enclosed into a plurality of independent convex cavities through a pressing strip 4.4, a sliding groove is arranged on the inner side of the annular inner wall 4.4 and is matched with a sliding groove on the outer side of a base of the floating inner ring 3, and the sliding groove are connected through a plurality of small steel balls 5 to realize the rotation of the spraying cavity; the floating block 6 is arranged between the floating inner ring 3 and the rotary spraying cavity 4 and is fixed with the floating inner ring 3.
The floating inner ring 3, the floating block 6 and the rotary spraying cavity 4 are connected to form a distribution component, and the distribution component can integrally slide up and down along the fixed frame 2 along with the change of water level; the rotary spraying cavity 4 can rotate around the floating inner ring 3 under the action of water spraying impact in the cavity.
The bottom of the floating inner ring 3 is provided with a plurality of vertical blades 7, the vertical blades are arranged by taking the axial tangent plane of a tandem pier as a boundary, and the planes of the vertical blades on the left side and the right side of the axial tangent plane of the pier are respectively arranged at an angle of plus or minus 45 degrees with the axis of the pier.
4 rubber outer wall 4.2 of chamber is spouted in rotation and 4-8 independent convex cavitys are enclosed through layering 4.4 or gluing and annular inner wall 4.1, each convex cavity can divide into a plurality of cavities, wherein spray nozzle 4.3 has been arranged to the cavity bottom of the innermost portion, spray nozzle 4.3 arranges in 7 projection planes of thick liquid piece and fixed with annular inner wall 4.1, rivers accessible spray nozzle 4.3 flow in and the blowout cavity.
The floating block 6 can be made of rubber, plastic, foam or light composite materials, can be in the shape of an annular hollow block or a solid block, and has the volume determined by the relative weight of the collision avoidance device, so that the collision avoidance device semi-floats in water.
The fixed frame 2, the floating inner ring 3 and the annular inner wall 4.1 of the rotary spraying cavity 4 can be made of steel or composite fiber materials.
The applicant states that a new method generated by combining some steps of the above-mentioned embodiment with the technical solution of the summary of the invention is also one of the description scope of the present invention, and other embodiments of these steps are not listed in the present application for the sake of brevity.
In the embodiment, the pier active collision avoidance device based on the impact hydrodynamic force is formed by sequentially arranging the fixed frame, the floating inner ring, the floating block and the rotary spraying cavity from inside to outside, and all collision prevention parts are independent from one another and are convenient to transport and install independently; meanwhile, the rotating spraying cavity is matched with the floating inner ring, so that the impact energy of the ship is effectively utilized and converted into the rotating kinetic energy, the ship is actively guided to change the motion direction in time, and the impact energy input is reduced; the device has the advantages of effectively delaying the impact time, reducing the impact force, automatically and elastically resetting, realizing repeated collision avoidance, and being free from replacement and maintenance, thereby being an ideal active collision avoidance device.
The technical principle is as follows: the invention provides an active pier collision avoidance device based on impact water power, which is essentially an active collision avoidance structure, wherein a rotary spray cavity 4 is matched with a floating inner ring 3, and water spray impact in the cavity is utilized to act on a pulp sheet 7 to rotate around a central shaft by utilizing the impact water power. Firstly, the device is externally wrapped on a pier 1, and is composed of a fixed frame 2, a floating inner ring 3, a floating block 6 and a rotary spraying cavity 4 which are sequentially arranged from inside to outside, and all parts are mutually independent, so that the installation construction and the maintenance are convenient; meanwhile, the active collision avoidance device for the bridge pier can float on the water surface and float up and down along with the change of the water level along the fixed frame 2, the device is guaranteed to be always in the collision range of the ship, the phenomenon that the device cannot play a protection role due to the change of the water level is avoided, and the safety of the bridge pier 1 and the safety of the ship are effectively protected. Secondly, the rotary spraying cavity 4 is formed by enclosing an annular inner wall 4.1 and a rubber outer wall 4.2 into a plurality of independent convex cavities through a pressing strip 4.4 and a stud 8, so that the advantages of forming an air cavity and a water spraying cavity by using a rubber material with low rigidity are utilized, the impact time can be effectively delayed, the impact force is reduced, the damage degree of a ship during impact buffering is effectively reduced, and people, ships and piers 1 are promoted to be effectively and safely guaranteed; the automatic elastic reset can be realized, so that repeated collision avoidance is realized, and replacement and maintenance are not needed; simultaneously, the floating inner ring 3 is matched to rotate around a central shaft spraying cavity, and the slurry sheets 7 in different directions are arranged at the bottom of the floating inner ring 3, so that the collision device can collide left and right to correct the running direction of a ship in time under the collision effect, the collision energy of the ship is effectively utilized and converted into the rotation kinetic energy, the ship is actively and timely guided to change the motion direction, the input of the collision energy is reduced, and the ship and the pier 1 are enabled to obtain the safety guarantee. Compared with the traditional anti-collision device which mostly belongs to a passive compression resistance disaster reduction device when being collided by a ship, the anti-collision device mainly delays the collision time or consumes the collision energy through the collision deformation of the anti-collision device and materials, the ship and the bridge pier 1 generate huge interaction force, people, the ship and the bridge pier 1 are simultaneously and greatly damaged, and the anti-collision device mainly aims at reducing and consuming the collision energy of the ship. The rotary spraying cavity 4 is formed by enclosing an annular inner wall 4.1 and a rubber outer wall 4.2 into a plurality of independent convex cavities, the bottom of each cavity is provided with a spray head 4.3, water flow can freely enter and exit, accumulated water in the cavities is extruded and sprayed to impact a bottom slurry sheet 7 during impact to generate a pushing action force, so that the rotary spraying cavity 4 rotates, the impact direction of a ship is changed in time, the ship and a pier are separated as early as possible, the active collision avoidance effect is achieved, the energy absorption and the active collision avoidance rotation of the device are carried out simultaneously, and particularly, the device has good buffering adaptability to ship impacts under different impact energies. In addition, the bottom of the cavity is provided with a spray head 4.3, the spray head 4.3 is arranged in the projection plane of the pulp sheet 7 and is fixed with the annular inner wall 4.1, water flow in the cavity can flow into and spray out of the cavity through the spray head 4.3, and the water flow can be automatically and elastically reset for cyclic utilization.
The applicant further states that the present invention is described by the above embodiments to explain the structure and implementation method of the apparatus of the present invention, but the present invention is not limited to the above embodiments, i.e. it is not meant to imply that the present invention must rely on the above structures and methods to implement the present invention. It should be understood by those skilled in the art that any modifications to the present invention, the addition of equivalent alternatives to the embodiments of the present invention and steps, the selection of specific modes, etc., are within the scope of the present invention and the disclosure.
The present invention is not limited to the above embodiments, and all embodiments adopting the similar structure and method to achieve the object of the present invention are within the protection scope of the present invention.
Claims (7)
1. A pier active collision avoidance device based on impact hydrodynamic force is characterized in that the device is wrapped outside a pier and sequentially comprises a fixed frame, a floating inner ring, a floating block and a rotary spraying cavity from inside to outside, wherein the fixed frame is formed by fixing 3-6 straight rods parallel to the axis of the pier around the pier through 2-4 hoops, the fixed frame is arranged in the change range of the normal water level of a river, and the length of the fixed frame is longer than the change height difference of the normal water level of the river; the floating inner ring is connected by 2-4 annular bearing bases through an annular steel plate, a groove matched with a straight rod of the fixed frame is formed in the inner side of the base, a transverse rotating chute is formed in the outer side of the base, and the floating inner ring can slide up and down along the fixed frame; the rotary spraying cavity is formed by enclosing an annular inner wall and a rubber outer wall into a plurality of independent convex cavities through pressing strips, a sliding groove is formed in the inner side of the annular inner wall and matched with a sliding groove in the outer side of the floating inner ring base, and the sliding groove and the floating inner ring base are connected through a plurality of small steel balls in the corresponding sliding groove to realize the rotation of the spraying cavity; the floating block is arranged between the floating inner ring and the rotary spraying cavity and is fixed with the floating inner ring.
2. The pier active collision avoidance device based on the impact water power as claimed in claim 1, wherein the floating inner ring, the floating block and the rotating spray cavity are connected to form a distribution component, and can integrally slide up and down along the fixed frame along with the water level change; the rotary spraying cavity can rotate around the floating inner ring under the action of water spraying impact in the cavity.
3. The pier active collision avoidance device based on the impact water power as claimed in claim 1, wherein the bottom of the floating inner ring is arranged with a plurality of vertical paddles, the vertical paddles on the left and right sides of the axial tangent plane of the pier are arranged at an angle of plus or minus 45 degrees with the axial line of the pier respectively, taking the axial tangent plane of the pier as a boundary.
4. The pier active collision avoidance device based on the impact water power as claimed in claim 1, wherein the rubber outer wall of the rotary spray cavity and the annular inner wall are enclosed by a batten or an adhesive to form 4-8 independent convex cavities, each convex cavity can be divided into a plurality of chambers, wherein the bottom of the innermost cavity is provided with a spray head, the spray head is arranged in the projection plane of the grout sheet and fixed with the annular inner wall, and water flow can flow into and out of the cavity through the spray head.
5. The active collision avoidance device for piers based on impinging water power of claim 1 wherein the floating block is made of rubber, plastic, foam or light composite material, and is shaped as an annular hollow block or solid block, and the volume of the block is determined by the relative weight of the collision avoidance device, so that the collision avoidance device is semi-floating in water.
6. The pier active collision avoidance device based on the impact water power as claimed in claim 1, wherein the fixed frame, the floating inner ring and the annular inner wall of the rotating spraying cavity are made of steel or composite fiber.
7. The device of any one of claims 1-6, wherein an active collision avoidance device for an abutment based on impinging hydrodynamic forces is manufactured as claimed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011266368.4A CN112301876B (en) | 2020-11-13 | 2020-11-13 | Pier initiative collision avoidance device based on collision hydrodynamic force |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011266368.4A CN112301876B (en) | 2020-11-13 | 2020-11-13 | Pier initiative collision avoidance device based on collision hydrodynamic force |
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| CN112301876A true CN112301876A (en) | 2021-02-02 |
| CN112301876B CN112301876B (en) | 2024-05-28 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463574A (en) * | 2021-05-24 | 2021-10-01 | 李安娜 | Anti-collision device for offshore pier |
| CN113622288A (en) * | 2021-08-25 | 2021-11-09 | 李建萍 | Flood prevention protection device for bridge pier |
| CN114934481A (en) * | 2022-04-21 | 2022-08-23 | 重庆交通大学 | Ship collision prevention method for integrating three piers in wading |
| CN115324014A (en) * | 2022-08-22 | 2022-11-11 | 林琦琦 | Ocean platform spud leg protection architecture |
| CN115977033A (en) * | 2023-01-06 | 2023-04-18 | 重庆大学 | Pier buffer stop |
| CN116467776A (en) * | 2023-03-28 | 2023-07-21 | 长安大学 | Bridge impact multi-failure mode resistance calculation method based on energy equivalence |
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