CN113774861A - Pier buffer stop and bridge - Google Patents
Pier buffer stop and bridge Download PDFInfo
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- CN113774861A CN113774861A CN202110984389.8A CN202110984389A CN113774861A CN 113774861 A CN113774861 A CN 113774861A CN 202110984389 A CN202110984389 A CN 202110984389A CN 113774861 A CN113774861 A CN 113774861A
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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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- 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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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G3/00—Traffic control systems for marine craft
- G08G3/02—Anti-collision systems
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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)
- Ocean & Marine Engineering (AREA)
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- Environmental & Geological Engineering (AREA)
- Architecture (AREA)
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- Bridges Or Land Bridges (AREA)
Abstract
The embodiment provides a bridge pier collision avoidance device and a bridge, wherein the bridge pier collision avoidance device comprises a collision avoidance mechanism arranged on the outer peripheral side of a bridge pier and a safety early warning mechanism used for communicating with a remote server; the anti-collision mechanism comprises a plurality of layers which are arranged along the axial direction of the bridge pier, each layer comprises a plurality of anti-collision units, the anti-collision units are sequentially connected and surround the outer peripheral side of the bridge pier, the anti-collision units between adjacent layers are correspondingly connected, and the anti-collision unit positioned on the uppermost layer is fixedly connected with the bridge pier; the safety early warning mechanism is arranged on the anti-collision mechanism and comprises at least one sensor, and the sensor is used for being in communication connection with the remote server. This embodiment not only can effectual protection pier, can make the staff obtain accurate effectual accident collision information in the very first time of occurence of failure moreover, is convenient for formulate the counter-measure, reduces the risk that the secondary accident takes place.
Description
Technical Field
The application relates to a pier anti-collision technology, in particular to a pier anti-collision device and a bridge.
Background
With the development of economy, society and culture in China, the transportation industry is continuously developed, ports, wharfs, bridges and the like are increased day by day, more and more vehicles (such as ships and the like) for running on water are correspondingly provided, and the sizes of the ships are increased. Along with the increase of ships, the collision accidents of the ships and the bridges are also increased inevitably, and the accidents not only can cause the loss of lives and properties of people, but also can cause the problems of traffic jam, water resource pollution and the like. Therefore, how to prevent or reduce the loss caused by accidents is an urgent problem to be solved.
In the related art, a collision accident of a ship and a bridge is generally prevented or reduced by providing a collision prevention device at a pier of the bridge. Common bump guards include indirect bump guards and direct bump guards. The indirect anti-collision device mainly transmits collision force to the outside of the bridge, and the collision force comprises anti-collision piles, artificial cofferdams, artificial islands, tension leg floating body anti-collision and the like; indirect anti-collision device can occupy more river course area, and engineering time and expense are higher. The direct anti-collision device does not change the final transmission path of force, but weakens the peak value of the impact force and prolongs the impact action time through self energy consumption, and a floating anti-collision device and a fixed anti-collision device are common; the direct anti-collision device has small work amount and convenient later maintenance, and is a device which is widely applied at present.
However, after the collision accident of the ship and the bridge occurs, if the accident cannot be reasonably handled in time, the risk of secondary accident or leakage of pollutants on the ship may be increased, and by adopting the scheme in the related technology, no matter the direct anti-collision device or the indirect anti-collision device has no capability of feeding back information in real time, which is not beneficial to timely handling of the accident by the staff.
Disclosure of Invention
The embodiment of the application provides a pier anti-collision device and a bridge, and the bridge is mainly used for solving the problem that the pier anti-collision device cannot feed back collision accident information in real time in the related technology.
According to a first aspect of embodiments of the present application, there is provided a pier collision avoidance device, including a collision avoidance mechanism disposed on an outer circumferential side of a pier, and a safety precaution mechanism for communicating with a remote server;
the anti-collision mechanism comprises a plurality of layers arranged along the axial direction of the pier, each layer comprises a plurality of anti-collision units, the anti-collision units are sequentially connected and surround the outer peripheral side of the pier, the anti-collision units between adjacent layers are correspondingly connected, and the anti-collision unit positioned on the uppermost layer is fixedly connected with the pier;
the safety early warning mechanism is arranged on the anti-collision mechanism and comprises at least one sensor, and the sensor is used for being in communication connection with the remote server.
The pier collision avoidance device as described above, optionally, the safety precaution mechanism comprises at least one of a force sensor, a water level sensor and a level gauge.
The pier collision avoidance device optionally comprises a fender and a main skeleton located in the fender, wherein the fender comprises a shell and a buffer layer located in the shell, and the main skeleton is arranged in the buffer layer.
Optionally, the outer shell includes two collision surfaces arranged oppositely, a first transition surface vertically connected to two ends of the collision surface, a second transition surface connected to the first transition surface, and an arc surface connecting two adjacent second transition surfaces, the second transition surface and the first transition surface are arranged obliquely, and a width between two second transition surfaces connected to the same collision surface is smaller than a width of the collision surface;
the buffer layer is attached to the inner surface of the shell, and a cylindrical space is formed in the buffer layer;
the main framework is arranged in the cylindrical space.
The pier collision avoidance device as described above, optionally, the force sensor is provided on a surface of the outer shell; the water level sensor is arranged in the main framework; the surface of the shell is uniformly provided with a plurality of gradienters.
Optionally, the outer shell is a glass fiber reinforced plastic outer shell, the buffer layer is a polyurethane foam layer, the main framework is a steel pipe, and a counterweight is arranged in the steel pipe.
According to the pier collision avoidance device, optionally, two adjacent collision avoidance units in the same layer are connected through a connecting system; the anti-collision units between adjacent layers are connected through the connecting system.
The pier collision avoidance device optionally comprises a bearing platform and a tower seat on the bearing platform, and the collision avoidance unit on the uppermost layer is fixed on the bearing platform through a support.
Optionally, the cushion block is disposed on the bearing platform, the bracket is located above the cushion block, and the bracket is connected to the connecting system.
According to a second aspect of the embodiments of the present application, there is provided a bridge, including a bridge deck and a plurality of piers disposed below the bridge deck, the outer peripheral side of the pier is provided with the pier collision avoidance device as described above.
The embodiment of the application provides a bridge pier anti-collision device and a bridge, wherein the bridge pier anti-collision device comprises an anti-collision mechanism arranged on the outer peripheral side of a bridge pier and a safety early warning mechanism used for communicating with a remote server; the anti-collision mechanism comprises a plurality of layers which are arranged along the axial direction of the bridge pier, each layer comprises a plurality of anti-collision units, the anti-collision units are sequentially connected and surround the outer peripheral side of the bridge pier, the anti-collision units between adjacent layers are correspondingly connected, and the anti-collision unit positioned on the uppermost layer is fixedly connected with the bridge pier; the safety early warning mechanism is arranged on the anti-collision mechanism and comprises at least one sensor, and the sensor is used for being in communication connection with the remote server. According to the embodiment of the application, the collision avoidance mechanism arranged on the outer peripheral side of the bridge pier is used for weakening the collision force of the ship and prolonging the collision action time, so that the bridge pier can be effectively protected; the sensor of safety precaution mechanism can acquire corresponding signal and transmit to remote server behind boats and ships striking pier to make the staff can obtain accurate effectual accident collision information at the very first time of occurence of failure, be convenient for formulate the counter-measure, reduce the risk that the secondary accident takes place.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a front view schematically illustrating a structure of an anti-collision device for a bridge pier provided in an embodiment of the present application in a use state;
fig. 2 is a schematic top view of a collision avoidance pier device according to an embodiment of the present application;
shown in fig. 3 is a cross-sectional view of a collision avoidance unit provided in an embodiment of the present application.
Reference numerals:
10-pier collision avoidance devices;
110-a collision avoidance unit; 111-fender; 1110-a housing; 1111-collision surface; 1112-a first transition surface; 1113-a second transition surface; 1114-cambered surface; 1120-a buffer layer; 112-main skeleton;
121-a force sensor; 122-a water level sensor;
130-a linking system; 140-a scaffold; 150-cushion block;
20-bridge pier; 21-a cushion cap; 22-tower base.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Example one
Fig. 1 is a front view schematically illustrating a structure of an anti-collision device for a bridge pier provided in an embodiment of the present application in a use state; fig. 2 is a schematic top view of a collision avoidance pier device according to an embodiment of the present application; please refer to fig. 1-2.
The present embodiment provides a pier collision avoidance device 10 including a collision avoidance mechanism provided at an outer circumferential side of a pier 20 and a safety precaution mechanism (not shown in the drawings) for communicating with a remote server. The anti-collision mechanism comprises a plurality of layers arranged along the axial direction of the pier 20, each layer comprises a plurality of anti-collision units 110, the anti-collision units 110 are sequentially connected and surround the outer periphery of the pier, the anti-collision units 110 between adjacent layers are correspondingly connected, and the anti-collision unit 110 positioned on the uppermost layer is fixedly connected with the pier 20. By providing the multi-layer collision avoidance unit 110 in the axial direction of the pier 20, it is possible to accommodate collisions of ships of different sizes, thereby enabling the pier 20 to be effectively protected. The safety early warning mechanism is arranged on the anti-collision mechanism and comprises at least one sensor, and the sensor is used for being in communication connection with the remote server so as to transmit collision related information to the remote server, so that a worker can conveniently check and take related measures.
In the present embodiment, the collision prevention mechanism disposed on the outer circumferential side of the pier 20 reduces the collision force of the ship, and prolongs the collision acting time, thereby effectively protecting the pier 20. After the ship collides with the pier 20, the sensor of the safety early warning mechanism can acquire a corresponding signal and transmit the signal to the remote server, so that the staff can obtain accurate and effective collision accident information at the first time of the accident, the corresponding measures can be conveniently formulated, and the risk of secondary accidents is reduced.
The pier anti-collision device 10 of the embodiment can realize modular production and segmented customization, achieves production standardization, can reduce production cost and is convenient to maintain.
Fig. 3 is a cross-sectional view of a collision avoidance unit provided in an embodiment of the present application; please refer to fig. 3. Further, the safety precaution mechanism of the present embodiment includes at least one of a force sensor 121, a water level sensor 122, and a level gauge (not shown in the drawings). Wherein, the force sensor 121 is used for monitoring whether a ship collision occurs; the water level sensor 122 is used for monitoring whether water leakage occurs or not so as to assist in judging the severity of collision; the level gauge is used to detect whether the collision avoidance device 10 is inclined, thereby assisting in judging the severity of the collision.
Further, the collision avoidance unit 110 of the present embodiment includes a fender 111 and a main frame 112 located inside the fender 111, the fender 111 includes a skin 1110 and a cushion layer 1120 located inside the skin 1110, and the main frame 112 is disposed inside the cushion layer 1120.
The fender 111 of the embodiment is formed by compounding two different materials, namely a hard shell 1110 and a flexible buffer layer 1120, the fender 111 made of the composite material is coated outside the main framework 112, so that the advantages of good buffer performance of the composite material and the plastic deformation energy absorption function of steel materials are exerted, when an impact accident occurs, the impact of the accident ship is buffered through the deformation of the structure and the compression of the buffer layer 1120, then the inner main framework 112 absorbs energy through the plastic deformation and resists the impact, and the structure of the two materials is combined with the respective advantages, so that the safety of a bridge is effectively protected.
Preferably, the shell 1110 of this embodiment is a glass fiber reinforced plastic shell, the buffer layer 1120 is a polyurethane foam layer, and the main frame 112 is a steel pipe; the steel pipe is internally provided with a balancing weight to resist the buoyancy of water.
Further, the casing 1110 of the present embodiment includes two oppositely disposed collision surfaces 1111, a first transition surface 1112 perpendicularly connecting both ends of the collision surface 1111, a second transition surface 1113 connected to the first transition surface 1112, and an arc surface 1114 connecting two adjacent second transition surfaces 1113, where the second transition surface 1113 is obliquely disposed to the first transition surface 1112, and a width between the two second transition surfaces 1113 connected to the same collision surface 1111 is smaller than a width of the collision surface 1111; the buffer layer 1120 is attached to the inner surface of the outer case 1110, and a cylindrical space is formed in the buffer layer 1120; the main frame 112 is disposed in the cylindrical space.
In the present embodiment, the two collision surfaces 1111 are used for directly colliding with the ship, and the other one is used for abutting against the pier 20. The cross section of the shell 1110 is a structure which is generally circular and is provided with trapezoids on two circular sides, the structure has larger buffer areas on two circular sides, so that the structure has better collision resistance and force transmission performance, and the outer trapezoidal buffer and inner trapezoidal protection functions on the concrete of the pier 20 are exerted.
Optionally, the force sensor 121 in this embodiment is disposed on the surface of the housing 1110; the water level sensor 122 is disposed within the main frame 112; a plurality of levels are uniformly distributed on the surface of the housing 1110.
The force sensor 121 is positioned on the surface of the shell 1110, can play a role of early warning at the first time of an accident and sends a signal to a remote server; and whether the bridge is seriously damaged or not is judged by measuring the force, so that the safety of the bridge is monitored in real time. When the impact accident seriously damages the structure of the main framework 112 to cause water leakage, the water level sensor 122 plays a role, and sends real-time water level information to a remote server to avoid a secondary accident caused by the sinking of the anti-collision system. The plurality of levels are uniformly distributed on the surface of the housing 1110, and early warning is performed when the inclination reaches a certain degree. Through the monitoring and early warning structure of each aspect, the first time that a ship collision accident happens is guaranteed, and workers can obtain accurate and effective information, so that countermeasures can be conveniently made, and the safety of lives and properties of people can be protected in time.
Optionally, in this embodiment, two adjacent collision avoidance units 110 in the same layer are connected by a connection system 130; the collision avoidance units 110 between adjacent layers are connected by a linkage 130. The connecting system 130 may be a steel pipe or the like.
The pier 20 includes a cap 21 and a tower 22 on the cap 21, and the uppermost collision cell 110 is fixed to the cap 21 by a bracket 140.
Specifically, the platform 21 is provided with a pad 150, the bracket 140 is located above the pad 150, and the bracket 140 is connected to the connection system 130. Through the structure, the mounting strength of the pier anti-collision device 10 can be improved, the concrete of the bearing platform can be protected, and the service life of the bearing platform 21 is prolonged.
Example two
The embodiment provides a bridge, including bridge floor and a plurality of piers of setting in the bridge floor below, the periphery side of pier is equipped with pier buffer stop as above embodiment one.
The pier collision avoidance device 10 includes a collision avoidance mechanism provided on an outer circumferential side of the pier 20 and a safety precaution mechanism (not shown in the drawings) for communicating with a remote server. The collision avoidance mechanism includes a plurality of collision avoidance cells 110 arranged in a plurality of layers in the axial direction of the pier 20, each layer including a plurality of collision avoidance cells. The plurality of collision avoidance units 110 are sequentially connected to surround the outer circumferential side of the pier, the collision avoidance units 110 between adjacent layers are correspondingly connected, and the collision avoidance unit 110 positioned at the uppermost layer is fixedly connected to the pier 20.
By providing the multi-layer collision avoidance unit 110 in the axial direction of the pier 20, it is possible to accommodate collisions of ships of different sizes, thereby enabling the pier 20 to be effectively protected. The safety early warning mechanism is arranged on the anti-collision mechanism and comprises at least one sensor, and the sensor is used for being in communication connection with the remote server so as to transmit collision related information to the remote server, so that a worker can conveniently check and take related measures.
The bridge of this embodiment is owing to set up above-mentioned embodiment one in the outside of pier the pier buffer stop, consequently can effectual protection pier, can make the staff obtain accurate effectual accident collision information in the very first time of occurence of failure moreover, be convenient for formulate the counter-measure, reduce the risk that the secondary accident takes place.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. The anti-collision device for the bridge pier is characterized by comprising an anti-collision mechanism arranged on the outer peripheral side of the bridge pier and a safety early warning mechanism used for communicating with a remote server;
the anti-collision mechanism comprises a plurality of layers arranged along the axial direction of the pier, each layer comprises a plurality of anti-collision units, the anti-collision units are sequentially connected and surround the outer peripheral side of the pier, the anti-collision units between adjacent layers are correspondingly connected, and the anti-collision unit positioned on the uppermost layer is fixedly connected with the pier;
the safety early warning mechanism is arranged on the anti-collision mechanism and comprises at least one sensor, and the sensor is used for being in communication connection with the remote server.
2. The pier collision avoidance device of claim 1, wherein the safety precaution mechanism comprises at least one of a force sensor, a water level sensor, and a level gauge.
3. The bridge pier collision avoidance device of claim 2, wherein the collision avoidance unit comprises a fender and a main frame located inside the fender, the fender comprises an outer shell and a buffer layer located inside the outer shell, and the main frame is arranged inside the buffer layer.
4. The bridge pier collision avoidance device of claim 3, wherein the shell comprises two oppositely arranged collision surfaces, a first transition surface vertically connecting two ends of the collision surfaces, a second transition surface connected with the first transition surface, and an arc surface connecting two adjacent second transition surfaces, the second transition surface is obliquely arranged with the first transition surface, and the width between the two second transition surfaces connected with the same collision surface is smaller than that of the collision surfaces;
the buffer layer is attached to the inner surface of the shell, and a cylindrical space is formed in the buffer layer;
the main framework is arranged in the cylindrical space.
5. The pier collision avoidance device according to claim 4, wherein the force sensor is provided on a surface of the outer shell; the water level sensor is arranged in the main framework; the surface of the shell is uniformly provided with a plurality of gradienters.
6. The anti-collision device for piers according to claim 4, wherein the shell is a glass fiber reinforced plastic shell, the buffer layer is a polyurethane foam layer, the main frame is a steel pipe, and a balancing weight is arranged in the steel pipe.
7. The pier collision avoidance device according to claim 1, wherein two adjacent collision avoidance units in the same layer are connected by a connection system; the anti-collision units between adjacent layers are connected through the connecting system.
8. The pier collision avoidance device of claim 7, wherein the pier comprises a bearing platform and a tower seat on the bearing platform, and the collision avoidance unit at the uppermost layer is fixed on the bearing platform through a bracket.
9. The anti-collision device for piers according to claim 8, wherein said bearing platform is provided with a cushion block, said bracket is located above said cushion block, and said bracket is connected with said connection system.
10. A bridge comprising a deck and a plurality of piers provided below the deck, the piers being provided at an outer peripheral side thereof with the pier collision preventing device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110984389.8A CN113774861B (en) | 2021-08-25 | 2021-08-25 | Pier buffer stop and bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110984389.8A CN113774861B (en) | 2021-08-25 | 2021-08-25 | Pier buffer stop and bridge |
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| Publication Number | Publication Date |
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| CN113774861A true CN113774861A (en) | 2021-12-10 |
| CN113774861B CN113774861B (en) | 2022-10-21 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR200188344Y1 (en) * | 2000-01-31 | 2000-07-15 | 은산산업개발주식회사 | Collision protecting guard for a pier construction at the sea |
| CN205530134U (en) * | 2016-04-18 | 2016-08-31 | 招商局重庆交通科研设计院有限公司 | Pier anti -collision device |
| CN205576852U (en) * | 2016-04-29 | 2016-09-14 | 浙江海航橡胶轮胎有限公司 | Fender is floated in bridge anticollision |
| CN207295634U (en) * | 2017-05-27 | 2018-05-01 | 浙江交工集团股份有限公司 | A kind of pier anticollision system |
| CN112461426A (en) * | 2020-11-17 | 2021-03-09 | 武汉理工大学 | Pier collision avoidance degree monitoring method and system based on anti-collision ship device |
| CN212896182U (en) * | 2020-03-02 | 2021-04-06 | 广州嘉航通信科技有限公司 | Bridge post buffer stop with irregular inoxidizing coating |
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2021
- 2021-08-25 CN CN202110984389.8A patent/CN113774861B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200188344Y1 (en) * | 2000-01-31 | 2000-07-15 | 은산산업개발주식회사 | Collision protecting guard for a pier construction at the sea |
| CN205530134U (en) * | 2016-04-18 | 2016-08-31 | 招商局重庆交通科研设计院有限公司 | Pier anti -collision device |
| CN205576852U (en) * | 2016-04-29 | 2016-09-14 | 浙江海航橡胶轮胎有限公司 | Fender is floated in bridge anticollision |
| CN207295634U (en) * | 2017-05-27 | 2018-05-01 | 浙江交工集团股份有限公司 | A kind of pier anticollision system |
| CN212896182U (en) * | 2020-03-02 | 2021-04-06 | 广州嘉航通信科技有限公司 | Bridge post buffer stop with irregular inoxidizing coating |
| CN112461426A (en) * | 2020-11-17 | 2021-03-09 | 武汉理工大学 | Pier collision avoidance degree monitoring method and system based on anti-collision ship device |
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| CN113774861B (en) | 2022-10-21 |
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