CN211690212U - Steel rib soft multistage ship collision prevention device and pier - Google Patents

Steel rib soft multistage ship collision prevention device and pier Download PDF

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Publication number
CN211690212U
CN211690212U CN201922229513.0U CN201922229513U CN211690212U CN 211690212 U CN211690212 U CN 211690212U CN 201922229513 U CN201922229513 U CN 201922229513U CN 211690212 U CN211690212 U CN 211690212U
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soft
main body
steel
cavity
multistage
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CN201922229513.0U
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Inventor
贾恩实
庄勇
刘伟庆
方海
万田保
杨光武
郑清刚
韩娟
祝露
戴志伟
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Nanjing Tech University
China Railway Major Bridge Reconnaissance and Design Institute Co Ltd
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Nanjing Tech University
China Railway Major Bridge Reconnaissance and Design Institute Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/30Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways

Abstract

The utility model provides a multistage ship of preventing hitting of reinforcing bar software hits device and pier, including the main part, the soft body chamber, the cover body. The main body is of a steel skeleton structure, and an assembly area is arranged on one side of the main body; the soft cavity group is arranged in the assembly area, and an energy dissipation piece is arranged in the soft cavity; the cover body covers the assembly area and forms an accommodating space together with the main body, and the soft body cavity is accommodated in the accommodating space; at the same time, the cover is adapted to be at least partially damaged upon impact beyond a set intensity to expose at least a portion of the bladder cavity. The device is soft, and the energy absorption is strong, and multistage protection, protection collision boats and ships and pier effect are excellent, and the segmentation sets up easy maintenance.

Description

Steel rib soft multistage ship collision prevention device and pier
Technical Field
The utility model relates to a bridge anticollision structure specifically indicates a multistage ship of preventing of reinforcing bar software hits device and pier.
Background
With the continuous development of modern water traffic, the transportation volume of ships is also rapidly increased, and meanwhile, the bridge construction scale is larger and larger, and the number of bridges is more and more, so that the occurrence probability of ship bridge collision accidents is greatly increased. The ship bridge collision accident not only threatens the passing safety of the ship and seriously affects the safe operation of the bridge, but also often brings huge life and property loss, and the subsequent maintenance of the ship and the bridge also brings extremely high maintenance difficulty and maintenance cost, so that the pier anti-collision ship facility is particularly necessary. It is also desirable that the pier-bumping device prevent irreversible damage to the bridge due to ship impact while protecting the ship as much as possible and minimizing the loss.
The existing large-scale pier anti-collision ship facilities mainly fall into three categories: the steel skeleton structure anticollision facilities, the glass fiber reinforced plastic composite material anticollision facilities and the steel-clad composite material anticollision facilities are designed based on the basic principle of energy absorption and consumption. However, the crashworthy ship facilities in the prior art are all hard, and the damage degree of the ship cannot be obviously reduced because the ship directly collides with the hard crashworthy ship facilities. And the three major anti-ship collision devices are only provided with single-stage defense, after collision, the deformation of the main structure of the anti-collision facility is often unrecoverable, the smaller deformation needs to be repaired by external force, and the monomer is replaced and reused after the large-area deformation or damage occurs, so that the maintenance is difficult, the cost is high and the maintenance rate is high.
Therefore, how to improve the protection performance of the bridge ship collision prevention device, reduce the damage degree of ships and piers after ship collision, and reduce the maintenance difficulty and cost becomes a problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can reduce the impaired degree that boats and ships and pier hit back, realize the low degree of difficulty low-cost maintenance prevent that boats and ships hit the device.
In a first aspect, the application provides a steel-reinforced soft multistage ship collision prevention device, which comprises a main body, a support and a plurality of connecting rods, wherein the main body is of a steel-reinforced structure, and an assembly area is arranged on one side of the main body;
the soft body cavity is assembled in the assembly area, and an energy dissipation piece is arranged in the soft body cavity;
the cover body covers the assembly area and forms an accommodating space together with the main body, and the soft body cavity is accommodated in the accommodating space; at the same time, the user can select the desired position,
the cover is adapted to at least partially fail upon an impact exceeding a set intensity to expose at least a portion of the bladder cavity.
Because the ship collision preventing device that this application provided is softer, the energy-absorbing is effectual, and is multistage power consumption, consequently can effectively protect boats and ships and pontics, reduces the impaired degree of boats and pontics, and when pier basis is whole to resist power enough, can accomplish that the boat is not damaged, the well ship can be repaiied, the big ship destroys, has reduced cost of maintenance and the degree of difficulty with this mode.
In combination with the first aspect, as an alternative embodiment, the cover includes a frangible portion adjacent to the body, the frangible portion being connected to the body.
Because the cover body is provided with the fragile part, the fragile part can be damaged when the cover body is impacted, so that part of the soft cavity is exposed to absorb energy, and the ship body is protected.
In combination with the first aspect, as an alternative embodiment, the cover further includes a diffusion block disposed on a side of the frangible portion remote from the body, the diffusion block being configured to transfer impact energy to the bladder cavity.
Because the diffusion block is arranged, when impact occurs, the energy generated by the impact can be uniformly diffused to each part in the soft cavity by the diffusion block, so that the energy dissipation component in the soft cavity can fully exert the energy dissipation function.
In combination with the first aspect, as an alternative embodiment, the diffusion block, the fragile portion and the main body together form the accommodation space.
Due to the accommodating space, the soft body cavity can be effectively protected when being placed in the accommodating space.
In combination with the first aspect, as an alternative embodiment, the breakable portion is glass fiber reinforced plastic, and the diffusion block is of cork structure.
Because the fragile part is made of glass fiber reinforced plastic materials, the soft cavity can be protected to be complete, and the situation that the soft cavity is punctured by foreign matters and the like is avoided. Because the diffusion block is of a cork structure, the diffusion block can more effectively and uniformly conduct energy generated in impact to the inside of the soft cavity.
With reference to the first aspect, as an optional implementation mode, the inner side wall of the diffusion block is in contact with the soft body cavity.
Since the inner wall side of the diffuser is in contact with the soft body lumen, energy can be efficiently conducted to the soft body lumen.
In combination with the first aspect, as an alternative embodiment, the bladder cavity fills the receiving space.
Because the soft body cavity is filled with the accommodating space, the energy dissipation member in the soft body cavity can sufficiently absorb most of the energy generated by the impact during the impact, and can also enable the energy generated during the impact to be more effectively conducted to the soft body cavity.
In combination with the first aspect, as an alternative embodiment, the bladder cavity is configured to be recoverable by 60% compression of the diameter, and the bladder cavity is made of a rubber reinforced material.
Due to the characteristic that the diameter of the soft body cavity is compressed by 60% and can be recovered, firstly, the ship collision prevention device provided by the application is soft enough, secondly, when the device is repaired after collision, the soft body cavity can be recovered, only crushed granular particles are needed to be filled, and if necessary, a damaged part of the protective cover can be replaced to be put into use, so that the maintenance difficulty is small, and the cost is low.
With reference to the first aspect, as an optional implementation manner, the energy dissipation member is a scattering body, a friction plate is arranged outside the scattering block, and a rubber fender is arranged on the main body near the pier.
The energy dissipation part is a granular body, so that the energy absorption capacity is higher than that of other structural objects; the friction plate is arranged outside the diffusion block, so that the ship can slightly slide when collision occurs, and the kinetic energy of the ship participating in collision is reduced; because the main part is provided with the rubber fender near the pier side, the steel skeleton structure can be prevented from directly colliding and rubbing with the pier when colliding, and the pier can be better protected.
In a second aspect, the present application further provides a pier, which includes:
a pier body;
the multistage ship collision preventing device comprises a plurality of multistage ship collision preventing devices, wherein the multistage ship collision preventing devices are arranged around the pier body.
The pier provided by the application is surrounded by the pier body and the ship collision prevention devices, so that all the devices can be separately processed and produced and separately transported to an installation site, and the production and transportation difficulty is reduced; secondly only need during the installation can enclose all prevent that the ship hits the device and locate the pier body fast through connecting each device main part to only need change impaired department when hitting the back restoration can, convenient quick, reduce the maintenance degree of difficulty and cost.
Drawings
FIG. 1 is a sectional view of a steel-reinforced soft multi-stage anti-boat-collision device;
FIG. 2 is a plan view of a steel-reinforced soft multi-stage pier for preventing ship from colliding.
In the figure: 1. the energy-saving and energy-saving device comprises a main body, 2, a soft cavity, 3, a cover body, 10, an assembly area, 11, a rubber fender, 20, an energy-consuming part, 30, an accommodating space, 31, a fragile part, 32, a diffusion block, 33 and a friction plate.
The specific implementation mode is as follows:
the detailed description of the embodiments is given in conjunction with the appended drawings, and it should be noted that the detailed description of the present invention is provided for comprehensive understanding of the technical spirit, and should not be construed as limiting the scope of the claims of the present invention.
Referring to fig. 1, in a first aspect, the present application provides a steel-reinforced soft multistage anti-boat collision device, which includes a main body 1, a soft cavity 2, and a cover 3; the main body 1 is of a steel skeleton structure, an assembly area is arranged on one side, the soft cavity 2 is arranged in the assembly area 10 and is of a closed cylinder shape or a closed semi-cylinder shape and is made of reinforced rubber materials such as woven fabric reinforced rubber or cord fabric reinforced rubber; an energy consumption piece 20 is arranged in the soft cavity 2 and is used for absorbing energy during impact; the cover body 3 is U-shaped, is covered in the assembly area 10 along the axial direction in a segmented manner, and forms an accommodating space 30 together with the main body 1, and the soft body cavity 2 is accommodated in the accommodating space 30; at the same time, the cover 3 is intended to be at least partially damaged after an impact of more than a set intensity, so as to expose at least part of the bladder cavity 2. The soft body cavity 2 and the energy dissipation part in the containing space 30 are soft, the energy absorption effect is good, the energy dissipation is primary energy dissipation, the steel structure of the main body 1 is secondary energy dissipation, therefore, the ship and the bridge body can be effectively protected, the damage degree of the ship and the bridge body is reduced, when the integral resistance of the pier foundation is enough, the small ship can not be damaged, the middle ship can be repaired, and the large ship is damaged, the maintenance cost and the difficulty are reduced in the mode, and secondly, due to the characteristic of multi-stage protection, during factory processing and production, the primary energy dissipation formed by the soft body cavity 2 and the cover body 3 and the secondary energy dissipation formed by the steel structure of the main body 1 can be processed and produced separately, the two parts are transported to an installation site.
As an alternative embodiment, the cover 3 comprises a frangible portion 31 adjacent to the main body 1, the frangible portion 31 being connected to the main body 1, the frangible portion 31 being breakable upon impact to expose a portion of the soft cavity to absorb energy to protect the hull. The cover body 3 further comprises a diffusion block 32 arranged on one side of the fragile part 31 far away from the main body, the diffusion block 32 is used for transmitting impact energy to the soft cavity 2, and when impact occurs, the diffusion block 32 can uniformly diffuse the energy generated by impact to each part in the soft cavity 2, so that the energy dissipation piece 20 in the soft cavity 2 can fully exert the energy dissipation function. When collision happens, the ship firstly contacts the cover body 3, the fragile part 31 of the cover body 3 is firstly damaged and absorbs part of energy, and the soft body cavity 2 is partially exposed; then the energy generated by collision is diffused to the soft cavity 2 through the diffusion block 32, the soft cavity 2 is greatly deformed under the action of collision kinetic energy, the internal energy dissipation part 20 is restrained and extruded to generate friction and crushing to absorb the collision energy of the ship, when the collision energy is larger, the steel skeleton structure of the main body 1 participates together, the energy is transmitted to the steel skeleton structure of the main body 1 through the energy dissipation part 20, and the steel skeleton structure component of the main body 1 deforms to absorb the energy.
As an alternative embodiment, the diffusion block 32, the fragile part 31 and the main body 1 together form a containing space 30 to contain the soft body cavity 2, so that the soft body cavity 2 is effectively protected;
as an alternative embodiment, the fragile portion 31 is made of glass fiber reinforced plastics, which can effectively protect the integrity of the soft body cavity and avoid being punctured by foreign bodies. It will be appreciated that instead of being glass reinforced plastic, the frangible portion 31 may be formed of a material that is easily broken when impacted, such as glass, and in this embodiment, glass reinforced plastic is preferred to provide strength.
The diffusion block 32 is of a cork wood structure, can be made of balsa wood, glass fiber reinforced plastic sandwich foam structure or light foam concrete materials, and can conduct energy more effectively. When collision occurs, the fragile part 31 absorbs energy and is broken, and the diffusion block 32 with the cork wood structure uniformly diffuses the energy generated by collision to all parts in the soft cavity 2, so that all energy dissipation parts in the soft cavity 2 can fully play an energy dissipation role and absorb a large amount of energy.
As an alternative embodiment, the inner side wall of the diffusion block 32 is in contact with the soft body cavity 2 so that the energy generated by the impact is efficiently conducted to the soft body cavity 2. Preferably, the soft body cavity 2 is filled with the accommodating space 30, so that the energy dissipation members in the soft body cavity 2 can sufficiently absorb most of the energy generated by the impact during the impact, and secondly, the energy generated during the impact can be more effectively conducted to the soft body cavity 2.
As an alternative embodiment, the diameter of the bladder lumen 2 may be restored by compressing it by 60%. To achieve this, the bladder cavity 2 is made of a rubber reinforcement material, such as a cord rubber reinforcement material or a cloth rubber reinforcement material. Due to the characteristic that the diameter of the soft body cavity 2 is compressed by 60% and can be recovered, firstly, the ship collision prevention device provided by the application is soft enough, secondly, when the device is repaired after collision, the soft body cavity 2 can be recovered, only crushed granular particles are needed to be filled, and if necessary, a damaged part of the protective cover can be replaced to be put into use, so that the maintenance difficulty is small, and the cost is low.
With reference to the first aspect, as an optional embodiment, the energy dissipation member 20 is a granular body, and may be made of light high-strength ceramsite, which has a stronger energy absorption capability than other structural objects; a friction plate is arranged outside the diffusion block 32, is attached to the outer side of the cover body 3 through bolts, can be made of polyethylene plates or other wear-resistant materials, and firstly contacts with the ship during collision, so that the ship slightly slides, and the kinetic energy of the ship participating in collision is reduced; the side of the main body 1 close to the bridge pier is provided with a rubber fender, so that the steel rib structure directly collides and rubs with the bridge pier when collision is avoided, and the bridge pier is better protected.
Referring to fig. 2, the present application further provides a pier, including: the multi-stage ship collision preventing device comprises a pier body and a plurality of multi-stage ship collision preventing devices, wherein the multi-stage ship collision preventing devices are arranged around the pier body; each device can be separately processed and produced and separately transported to an installation site, so that the production and transportation difficulty and cost are reduced; secondly only need during the installation can enclose all prevent that the ship hits the device fast and locate the pier body through connecting each device main part to only need change that damaged department place during repairing after hitting can, convenient quick, reduce the maintenance degree of difficulty and cost.
It should be understood that all the embodiments of the steel-reinforced soft multi-stage anti-ship collision device described above can be applied to the bridge pier of the present application, and for the sake of brevity, the detailed description is omitted here.
In conclusion, the steel-reinforced soft multistage ship collision prevention device and the bridge pier provided by the embodiment are soft, have strong energy absorption capacity, can effectively absorb the collision energy of the ship, can protect the ship and the bridge pier in collision in an all-around manner, effectively reduce the damage degree of the ship and the bridge pier after the ship collides, and are simple to maintain and convenient to implement after being damaged.
The present application is not limited to the above embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present application, and such modifications and improvements are also considered to be within the scope of the present application. Those not described in detail in this specification are within the skill of the art.

Claims (10)

1. A steel skeleton soft multi-stage anti-ship collision device is characterized in that it comprises,
the steel frame comprises a main body (1), wherein the main body (1) is of a steel skeleton structure, and an assembly area (10) is arranged on one side of the main body;
the soft body cavity (2), the soft body cavity (2) is assembled in the assembly area (10), and energy dissipation components (20) are arranged in the soft body cavity (2);
the cover body (3) is covered on the assembly area (10) and forms an accommodating space (30) together with the main body (1), and the soft body cavity (2) is accommodated in the accommodating space (30); at the same time, the user can select the desired position,
the cover (3) is adapted to be at least partially damaged after an impact exceeding a set intensity to expose at least part of the bladder cavity (2).
2. The steel-reinforced soft multistage ship collision prevention device according to claim 1, wherein the cover (3) comprises a frangible portion (31) adjacent to the main body (1), the frangible portion (31) being connected to the main body (1).
3. The steel-reinforced soft multistage boat bump preventing device according to claim 2, wherein the cover (3) further comprises a diffusion block (32) provided on the side of the fragile part (31) away from the main body (1), the diffusion block (32) being used for transmitting the impact energy to the soft body cavity (2).
4. The steel-reinforced soft multistage boat crash prevention device according to claim 3, characterized in that the diffusion block (32), the fragile part (31) and the main body (1) together form the accommodation space (30).
5. The steel-reinforced soft multistage ship bump preventing device as claimed in claim 3, wherein the fragile part (31) is made of glass fiber reinforced plastics, and the diffusion block (32) is of cork wood structure.
6. The steel-reinforced soft multistage boat bump preventing device according to claim 3, wherein the inner side wall of the diffusion block (32) is in contact with the soft body cavity (2).
7. The steel-reinforced soft multistage ship collision prevention device as claimed in claim 3, wherein the energy dissipation member (20) is a particulate body, a friction plate (33) is arranged outside the diffusion block (32), and a rubber fender (11) is arranged on the main body (1) near the pier.
8. The steel-reinforced soft multistage boat crash prevention device according to claim 1, wherein the soft body cavity (2) fills the accommodation space (30).
9. The steel-reinforced soft multistage boat crash prevention device of claim 1, wherein the soft body chamber (2) is configured to be recoverable by a diameter compression of 60%, and the soft body chamber (2) is made of a rubber reinforced material.
10. A pier, comprising:
a pier body;
a plurality of multi-stage boat crash prevention devices as recited in any one of claims 1 to 9, said plurality of boat crash prevention devices being enclosed within said pier body.
CN201922229513.0U 2019-12-11 2019-12-11 Steel rib soft multistage ship collision prevention device and pier Active CN211690212U (en)

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CN201922229513.0U CN211690212U (en) 2019-12-11 2019-12-11 Steel rib soft multistage ship collision prevention device and pier

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115354623A (en) * 2022-08-15 2022-11-18 中铁第四勘察设计院集团有限公司 Anti-collision facility

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115354623A (en) * 2022-08-15 2022-11-18 中铁第四勘察设计院集团有限公司 Anti-collision facility

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