CN112962535A - Multistage defence collision avoidance system based on novel combined material - Google Patents
Multistage defence collision avoidance system based on novel combined material Download PDFInfo
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- CN112962535A CN112962535A CN202110177751.0A CN202110177751A CN112962535A CN 112962535 A CN112962535 A CN 112962535A CN 202110177751 A CN202110177751 A CN 202110177751A CN 112962535 A CN112962535 A CN 112962535A
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- 230000007123 defense Effects 0.000 claims abstract description 4
- 229920002396 Polyurea Polymers 0.000 claims description 46
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- 239000011229 interlayer Substances 0.000 claims description 8
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- 238000010521 absorption reaction Methods 0.000 claims description 6
- 230000000994 depressogenic effect Effects 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
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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
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/40—Plastics
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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 a novel composite material-based multistage defense and collision avoidance system, which comprises a plurality of collision avoidance units, wherein the collision avoidance units are arranged along the circumferential direction of a pier, two adjacent collision avoidance units are fixedly connected with each other, each collision avoidance unit comprises a box body, one side of each box body is fixed on the surface of the pier through an installation support, the other side of each box body is provided with a concave part, a columnar deformation flexible body is arranged in each concave part, one part of the columnar deformation flexible body is embedded and fixed in each concave part, and the other part of the columnar deformation flexible body is exposed outside. The plurality of anti-collision units are circumferentially arranged around the pier, and under the impact of a small-tonnage ship, the energy dissipation effect can be achieved only by means of the columnar deformation flexible bodies. After the collision happens, only the segment which is seriously damaged needs to be replaced, so that the whole anti-collision system has the characteristics of simple and economic maintenance and low maintenance rate.
Description
Technical Field
The invention relates to the technical field of pier protection, in particular to a novel composite material-based multistage fortification anti-collision system.
Background
The existing large-scale pier anti-collision ship facilities such as steel structure anti-collision facilities, glass fiber reinforced plastic composite material anti-collision facilities and steel-clad composite material anti-collision facilities are only provided with single-stage fortification, and the deformation of the main structure of the anti-collision facilities is often unrecoverable after collision occurs. After the anti-collision facility is subjected to one-time collision, the small deformation needs to be repaired by external force, and the monomer is replaced when the large-area deformation or damage occurs, so that the anti-collision facility is difficult to maintain, high in cost and high in maintenance rate.
Disclosure of Invention
In view of the above, the present invention provides a multistage fortification anti-collision system based on a novel composite material, so as to realize multistage fortification and protect ships and piers in a wider range.
In order to achieve the purpose, the technical scheme is as follows:
the utility model provides a multistage anticollision system of seting up defences based on novel combined material, includes a plurality of anticollision units, a plurality of anticollision units are arranged along pier circumference, adjacent two carry out fixed connection between the anticollision unit, the anticollision unit includes the box, one side of box is passed through the erection support and is fixed the pier is on the surface, one side in addition of box is equipped with the depressed part, be equipped with the flexible body of column deformation in the depressed part, some embedding of the flexible body of column deformation just fixes in the depressed part, some exposes externally in addition.
Furthermore, one side of the box body, which is close to the columnar deformation flexible body, is provided with a fixing buckle at the upper end and the lower end of the box body;
the outer surface of the part of the columnar deformation flexible body exposed outside is tightly attached with a first inhaul cable, and two ends of the first inhaul cable are respectively fixed on the box body through the fixing buckles and limit the columnar deformation flexible body in the concave part of the box body;
and two adjacent box bodies are fixedly connected through a connecting piece.
Furthermore, a connecting piece is arranged between the columnar deformation flexible body and the inner wall of the concave part.
Further, the erection support with between the pier, be equipped with the shock attenuation interlayer, the shock attenuation interlayer includes for following at least one: a high molecular polyethylene sheet or a rubber sheet; the mounting support is fixedly connected with the box body through a connecting piece;
the top surface of the mounting support is an inclined plane and inclines downwards from one side connected with the box body to the other side, and the bottom surface of the mounting support is an inclined plane and inclines upwards from one side connected with the box body to the other side.
Further, the box body is a composite material box body or a steel box body;
further, the connecting piece is a bolt.
Furthermore, the specific structure of the columnar deformation flexible body is a composite material winding pipe, the upper part of the composite material winding pipe is provided with a filling hole, and energy-consuming materials are filled in the composite material winding pipe; flanges are arranged at two ends of each composite material winding pipe, and the adjacent two composite material winding pipes in the multistage fortification anti-collision system are connected end to end through the flanges to form a composite material winding ring.
Furthermore, the concrete structure of the columnar deformation flexible body is an EVA solid polyurea anti-collision body, the outer layer of the EVA solid polyurea anti-collision body is a polyurea elastic shell, EVA closed-cell foam is filled in the polyurea elastic shell, and a composite material reinforcing layer is arranged between the EVA closed-cell foam and the inner wall of the polyurea elastic shell;
a penetrating central pipe is arranged in the center of the EVA solid polyurea anti-collision body, flanges are arranged at two ends of the EVA solid polyurea anti-collision body, and the flanges are connected with the end head of the central pipe;
two adjacent EVA solid polyurea anti-collision bodies in the multistage fortification anti-collision system are connected end to end through anchor chains to form an EVA solid polyurea anti-collision ring;
one end of the anchor chain is connected to one of the flanges of the EVA solid polyurea anti-collision body, and the other end of the anchor chain is connected to the other one of the flanges of the EVA solid polyurea anti-collision body.
Further, the method also comprises the following steps: a second cable; one end of the second inhaul cable is connected with the fixing buckle, and the other end of the second inhaul cable is connected with flanges at two ends of the EVA solid polyurea anti-collision body.
The invention has the beneficial effects that:
1. the plurality of anti-collision units are circumferentially arranged around the pier, and under the impact of a small-tonnage ship, the energy dissipation effect can be achieved only by means of the columnar deformation flexible bodies. After the collision happens, only the segment which is seriously damaged needs to be replaced, so that the whole anti-collision system has the characteristics of simple and economic maintenance and low maintenance rate.
2. The columnar deformation flexible body adopted by the invention can be an EVA solid polyurea anti-collision body or a composite material winding pipe; the EVA solid polyurea anti-collision body is formed by spraying polyurea on the outer layer of light high-elasticity EVA closed-cell foam, the EVA closed-cell foam plays a main energy consumption role, and the outer layer sprayed with polyurea can prevent ultraviolet rays, prevent corrosion and water and resist wear; flanges are arranged at two ends of the EVA solid polyurea anti-collision body, and the EVA solid polyurea anti-collision bodies are connected into a whole through anchor chain connection, so that the installation is convenient; the composite material winding pipe is internally filled with energy-consuming materials, plays a main energy-consuming role, the flanges are arranged at the two ends of the composite material winding pipe, and the composite material winding pipes are connected into a whole through the flanges, so that the composite material winding pipe has the advantage of convenience in installation.
Drawings
Fig. 1 is a schematic structural view of a collision avoidance unit provided in embodiment 1.
Fig. 2 is a schematic structural view of the collision avoidance unit provided in embodiment 2.
Fig. 3 is a schematic structural view of a composite material wound pipe provided in example 1.
Fig. 4 is a schematic structural view of the EVA solid polyurea bumper provided in example 2.
Fig. 5 is a schematic structural view of the multi-stage fortification collision avoidance system provided in embodiment 1.
Fig. 6 is a schematic structural view of the multi-stage fortification collision avoidance system provided in embodiment 2.
Description of reference numerals:
1-anti-collision unit, 101-box body, 102-columnar deformation flexible body, 103-fixing buckle, 1041-first inhaul cable, 1042-second inhaul cable, 105-connecting piece, 2-pier, 3-mounting support, 301-shock absorption interlayer, 4-composite material winding pipe, 401-filling hole, 402-flange, 403-composite material winding ring, 5-EVA solid polyurea anti-collision body, 501-polyurea elastic shell, 502-EVA closed cell foam, 503-composite material reinforcing layer, 504-central pipe, 505-anchor chain and 506-EVA solid polyurea ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, fig. 3 and fig. 5, the embodiment provides a multistage defence collision system based on novel combined material, including a plurality of collision cell 1, a plurality of collision cell 1 arrange along 2 circumference of pier, specifically need several collision cell, design according to 2 concrete sizes of pier, carry out fixed connection between two adjacent collision cell 1, collision cell 1 includes box 101, and box 101 is combined material box or steel box.
One side of the box body 101 is fixed on the surface of the pier 2 through the mounting support 3, the other side of the box body 101 is provided with a concave part, a columnar deformation flexible body 102 is arranged in the concave part, one part of the columnar deformation flexible body 102 is embedded and fixed in the concave part, and the other part is exposed outside.
Specifically, in the present embodiment, the specific structure of the columnar deformable flexible body 102 is the structure of the composite material winding pipe 4, and the composite material winding pipe 4 is made of the fiber material of the fiber cloth, and the laying direction, the number of layers and the resin can be flexibly designed according to the actual stress of the structure; the upper part of the composite material winding pipe 4 is provided with a material filling hole 401, and the inside of the composite material winding pipe 4 is filled with energy dissipation materials; the energy consumption material can be selected from the following materials: PE plastic hollow spheres or plastic pipes, high-damping rubber particles, elastic cement mortar, ceramsite, polyurethane foam, polyurethane foamed aluminum or polyphenyl particle mortar. The energy consuming material may be poured into the interior of the composite wound tube 4 from the pour hole 401.
On the side of the box 101 close to the composite material winding pipe 4, the upper end and the lower end of the box 101 are both provided with a fixing buckle 103, the exposed part of the composite material winding pipe 4 is tightly attached with a first cable 1041 on the outer surface thereof, and the two ends of the first cable 1041 are respectively fixed on the box 101 through the fixing buckles 103 and limit the composite material winding pipe 4 in the concave part of the box 101.
More specifically, in this embodiment, the fixed connection between two adjacent collision-prevention units 1 is specifically realized by the following scheme: flanges 402 are arranged at two ends of each composite material winding pipe 4, and two adjacent composite material winding pipes 4 in the multistage fortifying and anti-collision system are connected end to end through the flanges 402 to form a composite material winding ring 403. Two adjacent boxes 101 are fixedly connected by a connecting piece 105, and the connecting piece 105 in this embodiment may be a bolt.
More specifically, in order to enhance the connection strength between the composite material winding pipe 4 and the box 101, a connection member 105 is disposed between the composite material winding pipe 4 and the inner wall of the box recess 101, and the connection member 105 may be a bolt.
More specifically, in order to increase the shock attenuation effect of entire system, between erection support 3 and pier 2, still be equipped with shock attenuation interlayer 301, shock attenuation interlayer 301 can choose for use in this embodiment: a high molecular polyethylene sheet or a rubber sheet; the mounting support 3 is fixedly connected with the box body 101 through a connecting piece 105, and the connecting piece 105 can be a bolt.
More specifically, in order to facilitate installation of the present system, it is considered that the pier 2 generally has a certain inclination angle, because in the present embodiment, the top surface of the installation seat 3 is an inclined surface and is inclined downward from one side of the connection box 101 to the other side, and the bottom surface of the installation seat 3 is an inclined surface and is inclined upward from one side of the connection box 101 to the other side.
Example 2
Referring to fig. 2, 3 and 6, the present embodiment provides another multi-level defense and collision avoidance system based on novel composite materials, which has substantially the same structure as that of embodiment 1, except that: the concrete structure of the columnar deformation flexible body 102 is the structure of an EVA solid polyurea anti-collision body 5, and specifically, the structure specifically comprises:
the outer layer of the EVA solid polyurea anti-collision body 5 is a polyurea elastic shell 501, EVA closed-cell foam 502 is filled in the polyurea elastic shell 501, and a composite material reinforcing layer 503 is arranged between the EVA closed-cell foam 502 and the inner wall of the polyurea elastic shell 501; a penetrating central pipe 504 is arranged in the center of the EVA solid polyurea anti-collision body 5, flanges 402 are arranged at two ends of the EVA solid polyurea anti-collision body 5, and the flanges 402 are connected with the ends of the central pipe 504; the two adjacent EVA solid polyurea anti-collision bodies 5 are connected end to end through an anchor chain 505 to form an EVA solid polyurea anti-collision ring 506; one end of the anchor chain 505 is connected to the flange 402 of one of the EVA solid polyurea anti-collision bodies 5, and the other end of the anchor chain 505 is connected to the flange 402 of the other one of the EVA solid polyurea anti-collision bodies 5.
More specifically, the present embodiment further includes a second pulling cable 1042, one end of the second pulling cable 1042 is connected to the fixing buckle 103, and the other end is connected to the flange 402, in the present embodiment, on the basis of embodiment 1, the second pulling cable 1042 is disposed at two ends of the columnar flexible deformation body 102, so as to enhance the connection strength between the columnar flexible deformation body 102 and the box 101.
The working principle is as follows:
the cascade anti-collision systems provided in embodiments 1 and 2 are each composed of a plurality of anti-collision units, each of which includes a box body and a columnar deformation flexible body; and in the processing stage of a factory, the anti-collision units are processed and transported to the site for installation and splicing.
When collision happens, the ship contacts the columnar deformation flexible body firstly, the impact force is transmitted to the box body through the internal energy consumption material along with the increase of the impact force, then is transmitted to the pier structure through the shock absorption interlayer, then the collision avoidance unit generates radial section compression under the action of the impact force, the columnar deformation flexible body generates large deformation in the compression process, and the internal energy consumption material is restrained and extruded to generate friction and be crushed to absorb the collision energy of the ship; when the impact energy is larger, the box bodies participate together, and the box bodies are deformed and absorb energy.
In conclusion, according to the novel composite material-based multistage defense and anti-collision system provided by the invention, under the impact of a large-tonnage ship, after the composite material winding ring or the EVA solid polyurea anti-collision ring fully plays an energy absorption role, the box body participates in deformation energy absorption. The box body and the columnar deformation flexible body in the multistage fortification anti-collision system are arranged in a segmented mode, and the damaged partial segments can be replaced to be used when necessary. The invention can effectively protect ships and piers, and when the integral resistance of the pier foundation is enough, the invention is a flexible facility mainly based on ship protection. Because the size of the ship changes greatly, the invention can realize multi-stage energy dissipation, and can realize no damage to the small ship, repairable middle ship and damage to the large ship.
The invention is not described in detail, but is well known to those skilled in the art.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (9)
1. The utility model provides a multistage anticollision system of seting up defences based on novel combined material, a serial communication port, including a plurality of anticollision units, a plurality of anticollision units are arranged along pier circumference, adjacent two carry out fixed connection between the anticollision unit, the anticollision unit includes the box, one side of box is passed through the erection support and is fixed the pier is on the surface, one side in addition of box is equipped with the depressed part, be equipped with the flexible body of column deformation in the depressed part, the embedding of the flexible body of column deformation just fixes in the depressed part, some exposes externally in addition.
2. The novel composite material based multi-stage fortification and collision avoidance system is characterized in that a fixing buckle is arranged at each of the upper end and the lower end of the box body on one side of the box body close to the columnar deformation flexible body;
the outer surface of the part of the columnar deformation flexible body exposed outside is tightly attached with a first inhaul cable, and two ends of the first inhaul cable are respectively fixed on the box body through the fixing buckles and limit the columnar deformation flexible body in the concave part of the box body;
and two adjacent box bodies are fixedly connected through a connecting piece.
3. The novel composite material based multi-stage fortification anti-collision system is characterized in that a connecting piece is arranged between the columnar deformation flexible body and the inner wall of the concave part.
4. The novel composite material based multi-stage fortification anti-collision system according to claim 3, wherein a shock absorption interlayer is arranged between the installation support and the pier, and the shock absorption interlayer comprises at least one of the following components: a high molecular polyethylene sheet or a rubber sheet; the mounting support is fixedly connected with the box body through a connecting piece;
the top surface of the mounting support is an inclined plane and inclines downwards from one side connected with the box body to the other side, and the bottom surface of the mounting support is an inclined plane and inclines upwards from one side connected with the box body to the other side.
5. The novel composite material based multi-stage fortification and collision avoidance system according to claim 4, wherein the box body is a composite material box body or a steel box body.
6. The novel composite material based multi-stage fortification collision avoidance system according to claim 5, wherein said connecting member is a bolt.
7. The novel composite material based multistage fortification and collision avoidance system is characterized in that the specific structure of the columnar deformation flexible body is a composite material winding pipe, the upper part of the composite material winding pipe is provided with a filling hole, and the composite material winding pipe is filled with energy dissipation materials; flanges are arranged at two ends of each composite material winding pipe, and the adjacent two composite material winding pipes in the multistage fortification anti-collision system are connected end to end through the flanges to form a composite material winding ring.
8. The novel composite material based multistage defense and collision avoidance system according to claim 6, wherein the specific structure of the columnar deformation flexible body is an EVA solid polyurea collision avoidance body, the outer layer of the EVA solid polyurea collision avoidance body is a polyurea elastic shell, the interior of the polyurea elastic shell is filled with EVA closed cell foam, and a composite material reinforcing layer is further arranged between the EVA closed cell foam and the inner wall of the polyurea elastic shell;
a penetrating central pipe is arranged in the center of the EVA solid polyurea anti-collision body, flanges are arranged at two ends of the EVA solid polyurea anti-collision body, and the flanges are connected with the end head of the central pipe;
two adjacent EVA solid polyurea anti-collision bodies in the multistage fortification anti-collision system are connected end to end through anchor chains to form an EVA solid polyurea anti-collision ring;
one end of the anchor chain is connected to one of the flanges of the EVA solid polyurea anti-collision body, and the other end of the anchor chain is connected to the other one of the flanges of the EVA solid polyurea anti-collision body.
9. The novel composite material based multi-level fortification collision avoidance system of claim 8, further comprising: a second cable; one end of the second inhaul cable is connected with the fixing buckle, and the other end of the second inhaul cable is connected with flanges at two ends of the EVA solid polyurea anti-collision body.
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101718080A (en) * | 2009-11-10 | 2010-06-02 | 中铁大桥勘测设计院有限公司 | Composite material bridge anti-collision device |
CN201553978U (en) * | 2009-11-10 | 2010-08-18 | 中铁大桥勘测设计院有限公司 | Composite material bridge anti-collision device |
CN103741647A (en) * | 2014-01-10 | 2014-04-23 | 江苏省宏远玻璃钢有限公司 | Novel bridge anti-collision device |
CN111254817A (en) * | 2020-03-31 | 2020-06-09 | 湖南省交通规划勘察设计院有限公司 | Multistage anticollision facility of pier |
CN111893956A (en) * | 2020-08-26 | 2020-11-06 | 南京工业大学 | Full-composite material anti-collision system externally provided with large-deformation soft body |
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2021
- 2021-02-09 CN CN202110177751.0A patent/CN112962535B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101718080A (en) * | 2009-11-10 | 2010-06-02 | 中铁大桥勘测设计院有限公司 | Composite material bridge anti-collision device |
CN201553978U (en) * | 2009-11-10 | 2010-08-18 | 中铁大桥勘测设计院有限公司 | Composite material bridge anti-collision device |
CN103741647A (en) * | 2014-01-10 | 2014-04-23 | 江苏省宏远玻璃钢有限公司 | Novel bridge anti-collision device |
CN111254817A (en) * | 2020-03-31 | 2020-06-09 | 湖南省交通规划勘察设计院有限公司 | Multistage anticollision facility of pier |
CN111893956A (en) * | 2020-08-26 | 2020-11-06 | 南京工业大学 | Full-composite material anti-collision system externally provided with large-deformation soft body |
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