CN111778837A

CN111778837A - Bridge ship collision prevention structure

Info

Publication number: CN111778837A
Application number: CN202010673463.XA
Authority: CN
Inventors: 张兴志; 伏耀华; 周圣雨; 朴泷; 王华治; 陆勇
Original assignee: Zhejiang Bo'ao Energy Saving Technology Co ltd
Current assignee: Zhejiang Bo'ao Energy Saving Technology Co ltd
Priority date: 2020-06-24
Filing date: 2020-07-14
Publication date: 2020-10-16

Abstract

The invention discloses a bridge anti-ship collision structure, which comprises a plurality of layers of anti-collision sleeve boxes arranged outside a bridge bearing platform in a surrounding manner, wherein the top surfaces of the anti-collision sleeve boxes adjacent to the bridge bearing platform are connected to the upper surface of the bridge bearing platform in a hanging manner, and the side walls are connected with the side walls of the bridge bearing platform in a pasting manner; the top surfaces between adjacent layers of anti-collision sleeve boxes are connected in a hanging mode, and the side walls are connected in an attached mode. The anti-collision design of the anti-collision suitcases with a plurality of layers can select the anti-collision suitcases with the corresponding layers according to the anti-collision grade. When the striking takes place, outer anticollision pouring jacket takes place to warp at first, releases the impact for boats and ships stop, warp when outer anticollision pouring jacket warp and be not enough to release all impacts, and inlayer anticollision pouring jacket follows to take place to warp, releases remaining impact. The deformation of the inner and outer layer anti-collision sleeve boxes is used for absorbing the impact energy of the impact ship, so that the aim of protecting the bridge structure from being damaged by impact is fulfilled.

Description

Bridge ship collision prevention structure

Technical Field

The invention belongs to a bridge ship collision prevention technology, and particularly relates to a bridge ship collision prevention structure.

Background

With the rapid development of national economy, the implementation of national strategies such as long triangle integration, Guangdong, Hongkong, Australia and Bay areas and the like, a series of ultra-large sea-crossing bridges are inevitably implemented at an accelerated speed. Under normal conditions, large-scale sea-crossing bridges are located in areas with developed economy and busy maritime trade, and the problems of crossing dense navigation channels and solving the collision risk of ships are necessarily faced. The measures for effectively preventing ships from colliding with the bridge are very important links for bridge construction. At present, from an attached anti-collision structure to a floating net protection system, the number of the structures for preventing the bridge from being collided by a ship is more than 10, and each protection system has the application environment and the economical efficiency. For ships crossing over and passing more than 5 ten thousand tons, due to the huge impact force, if the ships are designed according to the conventional thought, the anti-collision facilities have huge engineering scale, and the problems of difficult construction and installation, poor economical efficiency, extremely difficult dismantling and replacement after impact damage and the like exist.

Disclosure of Invention

The invention aims to solve the technical problem of providing a bridge ship collision prevention structure which is reasonable in stress, economical in manufacturing cost, environment-friendly and convenient for ocean construction.

In order to solve the technical problems, the invention adopts the following technical scheme:

a bridge ship collision prevention structure comprises a plurality of layers of anti-collision sleeve boxes surrounding a bridge bearing platform, wherein the top surface of the anti-collision sleeve box adjacent to the bridge bearing platform is connected to the upper surface of the bridge bearing platform in a hanging manner, and the side wall of the anti-collision sleeve box is connected with the side wall of the bridge bearing platform in an attaching manner; the top surfaces between adjacent layers of anti-collision sleeve boxes are connected in a hanging mode, and the side walls are connected in an attached mode.

The outer wall of the anti-collision sleeve box positioned on the outermost layer is connected and hung with a composite fender through bolts.

And the anti-collision sleeve box is internally welded by steel plates and section steel to form a multi-compartment box-shaped structure.

Wave elimination holes are formed in the outer wall of the anti-collision sleeve box.

The outer wall of the anti-collision sleeve box is provided with an anti-corrosion coating.

The top surface of the anti-collision sleeve box adjacent to the bridge bearing platform is suspended on pre-embedded anchor pins on the upper surface of the bridge bearing platform through hanging legs, and the side walls are connected with the pre-embedded bolts on the side walls of the bridge bearing platform in an attached mode; the top surface between the adjacent layer of anti-collision sleeve boxes is connected in a hanging mode through hanging legs and ear plates, and the side walls are connected in a pasting mode through connecting bolts.

The anti-collision sleeve box adopts a modular structure, and the modules are connected through bolts.

The number of layers of the anti-collision sleeve box is an inner layer and an outer layer.

The bridge ship collision prevention structure has the following advantages that:

1. the anti-collision design of the anti-collision suitcases with a plurality of layers can select the anti-collision suitcases with the corresponding layers according to the anti-collision grade.

2. When the striking takes place, outer anticollision pouring jacket takes place to warp at first, releases the impact for boats and ships stop, warp when outer anticollision pouring jacket warp and be not enough to release all impacts, and inlayer anticollision pouring jacket follows to take place to warp, releases remaining impact. The deformation of the inner and outer layer anti-collision sleeve boxes is used for absorbing the impact energy of the impact ship, so that the aim of protecting the bridge structure from being damaged by impact is fulfilled.

3. The composite material fender can be installed on the outer side of the outer-layer anti-collision sleeve box, the effects of initial buffering and energy dissipation are achieved when a small ship is impacted, and meanwhile the ship can be protected.

4. In order to reduce the impact of waves, wave elimination holes are formed in the outer wall of the periphery of the sleeve box, so that the service life of the structure can be prolonged. Also can adopt the anticorrosive coating suitable for marine environment.

5. The modular design of anticollision pouring jacket can be easy to assemble and the change of bridge operation period, and each module is processed at steel construction processing factory, transports the on-the-spot sub-module installation of bridge position. Once a ship is bumped during operation, only the damaged corresponding casing module needs to be replaced.

6. The anticollision pouring jacket adopts and hangs leg structure, can support module structure weight on mechanical properties, guarantees the structural stability of the module of anticollision pouring jacket, and then guarantees the independence of module, the maintenance or the change in the later stage of being convenient for.

Drawings

The invention is described in detail below with reference to the following figures and detailed description:

fig. 1 is a schematic top view of the ship collision preventing structure of the present invention.

Fig. 2 is a longitudinal sectional view schematically showing a ship collision preventing structure of the present invention.

Fig. 3 is a top schematic view of the inner crash box of the present invention.

Fig. 4 is a schematic longitudinal cross-section of an inner crush box of the present invention.

Fig. 5 is a top schematic view of an outer crash box of the present invention.

Fig. 6 is a schematic, modular exploded view of the outer crash box of the present invention.

Fig. 7 is an enlarged schematic view of a portion a in fig. 2.

Fig. 8 is an enlarged schematic view of a portion B in fig. 2.

Fig. 9 is an enlarged schematic view of the portion C in fig. 1.

In the figure: 1 bridge cushion cap, 2 inlayer anticollision pouring jackets, 3 outer anticollision pouring jackets, 4 combined material fenders, 5 pre-buried anchor pins, 6 the string legs of inlayer anticollision pouring jackets, 7 the string legs of outer anticollision pouring jackets, 8 otic placodes, 9 pre-buried bolts, 10 connecting bolt of bridge cushion cap.

Detailed Description

The bridge anti-ship collision structure comprises a plurality of layers of anti-collision sleeve boxes arranged outside a bridge bearing platform 1 in an enclosing mode, wherein the number of layers of the anti-collision sleeve boxes can be one, two or more layers of combination according to the actual anti-collision requirement grade, for example, the inner layer and the outer layer are taken as examples, an inner layer anti-collision sleeve box 2 adjacent to the bridge bearing platform 1 is in a shape matched with the bridge bearing platform 1 and is attached outside the bridge bearing platform 1 in an enclosing mode, the top surface of the inner layer anti-collision sleeve box can be of a suspension structure, as shown in figure 7, the inner layer anti-collision sleeve box is suspended on an embedded anchor pin 5 on the upper surface of the bridge bearing platform 1 through a hanging leg 6, and the side wall of the inner layer anti-collision sleeve box can be attached; outer crashproof pouring jacket 3 encloses to paste outside inlayer crashproof pouring jacket 2 equally, and the top surface between inside and outside

crashproof pouring jacket

2, 3 also can adopt suspended structure, on the top surface of inlayer crashproof pouring jacket 2 is connected through hanging leg 7 and otic placode 8 suspension to outer crashproof pouring jacket 3 shown in figure 8, and the lateral wall is then pasted mutually through connecting bolt 10 and is connected.

As shown in fig. 9, as an embodiment, a fender 4 made of a composite material is suspended on the outer wall of the outer anti-collision casing 3 through bolt connection, and the composite material may be FRP, GFRP glass fiber, polyurethane, or the like, and may play a role in initial buffering and energy dissipation when a small ship is impacted, and may protect the ship.

As shown in fig. 3 and 4, the inner-layer anti-collision casing 2 is made of steel, and is internally welded with steel plates and the steel sections to form a multi-compartment box-shaped structure, and in order to reduce the impact of waves, wave-damping holes are formed in the peripheral outer wall of the inner-layer anti-collision casing 2; in order to increase the service life of the structure, an anti-corrosion coating suitable for the marine environment can also be adopted. In order to reduce the construction difficulty and the construction cost, the inner layer anti-collision sleeve box 2 can be used as a template for bearing platform construction. In addition, the inner-layer anti-collision sleeve box 2 can be in a modular design, is processed in a steel structure processing factory in a modular mode, is transported to a bridge site through a ship in a floating mode after being connected into a whole through bolts, and is integrally installed through a large-scale floating crane ship.

As shown in fig. 5 and 6, the outer-layer anti-collision casing 3 is also made of steel, and the inside of the outer-layer anti-collision casing is also welded by steel plates and the steel sections to form a multi-compartment box-shaped structure, so that wave-damping holes are formed in the peripheral outer walls of the outer-layer anti-collision casing for reducing the impact of waves; in order to prolong the service life of the structure, an anti-corrosion coating suitable for marine environment is also adopted. In order to facilitate the installation of the outer anti-collision sleeve 3 and the replacement of the outer anti-collision sleeve 3 during the operation of the bridge, the outer anti-collision sleeve 3 is also manufactured by adopting a modular design, and the outer sleeve can be divided into a plurality of modules on a plane and connected through bolts according to the capacity of an offshore installation facility, and is integrated on a vertical surface. Each module is processed in a steel structure processing plant and transported to a bridge site to be installed in modules. Once a ship is bumped during operation, only the damaged corresponding casing module needs to be replaced.

Adopt above-mentioned bridge to prevent ship and hit structure, when boats and ships striking bridge, at first strike outer anticollision pouring jacket 3, outer anticollision pouring jacket 3 takes place to warp at first, releases the impact for boats and ships stop, when outer anticollision pouring jacket 3 warp and is not enough to release all impacts, and inlayer anticollision pouring jacket 2 follows to take place to warp, releases remaining impact. The deformation of the inner and outer layers of anti-collision sleeve boxes 3 is used for absorbing the impact energy of the impact ship, thereby achieving the purpose of protecting the bridge structure from being damaged by impact.

In conclusion, the bridge anti-ship-collision structure solves the problems of large scale, difficult offshore construction, difficult replacement during bridge operation and maintenance and the like of conventional anti-ship-collision facilities of a cross-sea bridge, and the anti-collision sleeve boxes can be manufactured and modularly installed in a steel structure processing factory, greatly improves the engineering quality, reduces the later-stage replacement work amount, and is economic and environment-friendly.

However, those skilled in the art should realize that the above embodiments are illustrative only and not limiting to the present invention, and that changes and modifications to the above described embodiments are intended to fall within the scope of the appended claims, provided they fall within the true spirit of the present invention.

Claims

1. The utility model provides a structure is hit to bridge ship which characterized in that: the anti-collision device comprises a plurality of layers of anti-collision sleeve boxes surrounding a bridge bearing platform, wherein the top surfaces of the anti-collision sleeve boxes adjacent to the bridge bearing platform are connected to the upper surface of the bridge bearing platform in a hanging manner, and the side walls are connected with the side walls of the bridge bearing platform in an attaching manner; the top surfaces between adjacent layers of anti-collision sleeve boxes are connected in a hanging mode, and the side walls are connected in an attached mode.

2. The bridge ship collision prevention structure according to claim 1, wherein: the outer wall of the anti-collision sleeve box positioned on the outermost layer is connected and hung with a composite fender through bolts.

3. The bridge ship collision prevention structure according to claim 1, wherein: and the anti-collision sleeve box is internally welded by steel plates and section steel to form a multi-compartment box-shaped structure.

4. The bridge ship collision prevention structure according to claim 1, wherein: wave elimination holes are formed in the outer wall of the anti-collision sleeve box.

5. The bridge ship collision prevention structure according to claim 1, wherein: the outer wall of the anti-collision sleeve box is provided with an anti-corrosion coating.

6. The bridge ship collision prevention structure according to claim 1, wherein: the top surface of the anti-collision sleeve box adjacent to the bridge bearing platform is suspended on pre-embedded anchor pins on the upper surface of the bridge bearing platform through hanging legs, and the side walls are connected with the pre-embedded bolts on the side walls of the bridge bearing platform in an attached mode; the top surface between the adjacent layer of anti-collision sleeve boxes is connected in a hanging mode through hanging legs and ear plates, and the side walls are connected in a pasting mode through connecting bolts.

7. The bridge ship collision prevention structure according to claim 1, wherein: the anti-collision sleeve box adopts a modular structure, and the modules are connected through bolts.

8. A bridge ship collision prevention structure according to any one of claims 1 to 7, wherein: the number of layers of the anti-collision sleeve box is an inner layer and an outer layer.