CN219059932U - Assembled detachable honeycomb pier superposition anti-collision device - Google Patents
Assembled detachable honeycomb pier superposition anti-collision device Download PDFInfo
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- CN219059932U CN219059932U CN202223292975.5U CN202223292975U CN219059932U CN 219059932 U CN219059932 U CN 219059932U CN 202223292975 U CN202223292975 U CN 202223292975U CN 219059932 U CN219059932 U CN 219059932U
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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
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Abstract
The utility model provides an assembled detachable honeycomb pier superposition anti-collision device, which comprises a honeycomb composite material energy absorption structure formed by filling energy absorption materials in a series of polygonal fiber reinforced composite pipes and a honeycomb steel concrete composite structure formed by filling concrete in a series of polygonal steel pipes. The polygonal steel pipes are fixed on the side surfaces of the bridge piers through implanted expansion bolts, and each grid steel pipe and the composite pipe are assembled into a whole one by one through connecting bolts. The outer layer composite material energy-absorbing structure and the inner layer steel concrete combined structure of the device are overlapped to construct an anti-collision 'two-channel defense line', the large deformation and energy-absorbing capacity of the composite material energy-absorbing structure are utilized to ensure that ships are not damaged and personnel are not injured, and the high strength and high rigidity of the steel concrete combined structure is utilized to effectively protect bridge piers from being damaged and prevent bridges from collapsing, so that the device has excellent anti-collision performance.
Description
Technical Field
The utility model relates to the technical field of pier anti-collision structures, in particular to an assembled detachable honeycomb pier superposition anti-collision device.
Background
With the rapid development of transportation industry, the number of recently constructed large bridges crossing navigation rivers, harbors and straits in China is gradually increased, the number of ships on the waterway is also continuously increased, the ships tend to be large, the contradiction between the bridges and the passing ships is gradually highlighted, and therefore, the accidents of the ships striking the bridge pier are also continuously increased. The bridge pier is used as a main bearing member of the bridge, once the bridge pier is impacted by a ship, the bridge pier is damaged by light weight, the service life of the bridge pier is influenced, the bridge collapse is caused by heavy weight, the serious casualties and economic losses can be caused, and the serious influence is caused on the road, the railway and the water way transportation.
Therefore, in order to protect the bridge pier, an anti-collision device needs to be arranged on the periphery of the bridge pier of the important channel bridge. However, the existing bump protection device has the following disadvantages: firstly, a multi-channel line-of-defense anti-collision mechanism is lacking, and an effective protection function for both light collision and heavy collision conditions is lacking; secondly, the lack of a local removable system for the crashproof device after collision causes that the crashproof device can only be completely removed and rebuilt after collision, thereby not only causing serious economic waste, but also causing the adverse effects of overlong repairing time and overlong traffic interruption.
Disclosure of Invention
In order to solve the problems, the utility model provides the assembled detachable honeycomb pier superposition anti-collision device, which has the advantages of high anti-collision performance, convenient assembly construction, convenient local replacement and the like, is beneficial to improving the anti-collision performance of a channel bridge, and avoids or reduces the serious accident risk caused by ship collision.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the honeycomb pier superposition anti-collision device comprises an inner layer steel concrete combined structure and an outer layer composite material energy-absorbing structure, wherein the inner layer steel concrete combined structure is fixed on the side surface of a pier, and the outer layer composite material energy-absorbing structure is fixedly connected with the inner layer steel concrete combined structure; the inner layer steel concrete composite structure and the outer layer composite material energy absorbing structure are both honeycomb.
Further, the inner layer steel concrete composite structure comprises polygonal steel pipes and concrete, the polygonal steel pipes on the inner side are fixed on the side faces of the piers, the adjacent polygonal steel pipes are fixedly connected, a honeycomb steel structure is formed, and the concrete is poured in the polygonal steel pipes.
Further, the outer layer composite energy absorbing structure comprises a polygonal fiber reinforced composite pipe and an energy absorbing material, the inner side polygonal fiber reinforced composite pipe is fixedly connected with the polygonal steel pipe, and the adjacent polygonal steel pipes are fixedly connected to form a honeycomb composite structure, and the polygonal fiber reinforced composite pipe is filled with the energy absorbing material.
Further, the inner polygonal steel pipe is fixed to the side face of the pier through an implantable expansion bolt.
Further, the adjacent polygonal fiber reinforced composite pipes, the adjacent polygonal steel pipes and the adjacent polygonal fiber reinforced composite pipes and the polygonal steel pipes are fixedly connected through connecting bolts.
Preferably, the outermost side of the outer composite energy absorbing structure is provided with a rubber fender and a cat ladder.
Preferably, steel adhesive is arranged between the pier surface and the polygonal steel pipe.
Preferably, the polygonal steel pipe is selected from any one of a low carbon steel pipe, an alloy steel pipe, a stainless steel pipe, a weather-resistant steel pipe and a high-strength steel pipe;
the polygonal fiber reinforced composite pipe is any one of a carbon fiber pipe, a glass fiber pipe, a basalt fiber pipe and a hybrid fiber pipe;
the energy absorbing material is selected from any one of rubber, latex, sponge, porous foam energy absorbing material and ethylene-vinyl acetate copolymer.
By adopting the technical scheme, compared with the prior art, the utility model has the beneficial effects that:
1) The inner layer honeycomb steel concrete composite structure fully utilizes the characteristics of stable honeycomb structure and reasonable stress and the restraint effect of the steel pipe on core concrete, so that the inner layer honeycomb steel concrete composite structure has high impact resistance bearing capacity and rigidity.
2) The outer honeycomb composite energy-absorbing structure fully utilizes the advantages of high tensile strength of the fiber reinforced composite material and strong deformability of the embedded energy-absorbing material, so that the fiber reinforced composite energy-absorbing structure has strong deformability and energy-absorbing capacity.
3) The utility model constructs an anti-collision 'two-channel defending line' through overlapping the outer layer composite material energy absorbing structure and the inner layer steel concrete combined structure, thereby achieving the effect of 'no damage to the light crashed ship and no damage to the heavy crashed pier'. When the ship is slightly impacted, the outer honeycomb composite energy absorbing structure can ensure that the ship is not damaged and personnel are not injured, and once serious collision occurs, the inner honeycomb steel concrete composite structure can effectively protect the bridge pier and prevent the bridge from being seriously damaged or even collapsed.
4) The polygonal steel pipe and the composite pipe forming the main body structure of the anti-collision device can be singly conveyed to a construction site and assembled into a whole one by one through bolts, and the anti-collision device has the advantages of convenience and rapidness in construction.
5) After the collision, only the local collision damage area grid needs to be replaced by disassembling the bolts, other nondestructive area grids can be used continuously, and the whole disassembly and reconstruction or the large-scale repair and reinforcement of the anti-collision device are not needed, so that the anti-collision device has the advantages of saving materials and being convenient to maintain, the cost can be remarkably saved, and better economic benefits are realized.
6) The outer layer fiber reinforced composite material has excellent durability, can ensure that the bridge pier is not corroded by splash and prolong the service life of the bridge.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an isometric view of the utility model;
fig. 2 is a top view of the present utility model.
The reference designations in the figures are as follows:
the novel energy-saving building block comprises a 1-polygonal fiber reinforced composite pipe, a 2-rubber or porous foam energy-absorbing material, a 3-polygonal steel pipe, 4-concrete, a 5-implanted expansion bolt, a 6-pier, a 7-connecting bolt, an 8-ladder and a 9-rubber fender.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Referring to fig. 1-2, an assembled detachable honeycomb pier superposition anti-collision device comprises an inner layer steel concrete combined structure and an outer layer composite material energy absorption structure, wherein the inner layer steel concrete combined structure is fixed on the side surface of a pier 6 through an embedded expansion bolt 5, and the outer layer composite material energy absorption structure is fixedly connected with the inner layer steel concrete combined structure through a connecting bolt 7; the inner layer steel concrete composite structure and the outer layer composite material energy absorbing structure are both honeycomb.
The inner layer steel concrete composite structure comprises the polygonal steel pipe 3 and the concrete 4, wherein the inner side polygonal steel pipe 3 is fixed on the side surface of the pier 6 through the embedded expansion bolt 5, and steel adhesive is injected between the surface of the pier 6 and the polygonal steel pipe 3 at an angle so as to improve the connection strength of the two. The adjacent polygonal steel pipes 3 are fixedly connected through connecting bolts 7 to form a honeycomb steel structure, and concrete 4 is poured into the polygonal steel pipes 3. The device has high collision-resistant bearing capacity and rigidity by utilizing the restraint effect of the steel pipe on the core concrete, the advantages of stable honeycomb structure, reasonable stress and the like.
The polygonal steel pipe 3 can be a low-carbon steel pipe, an alloy steel pipe, a stainless steel pipe, a weather-resistant steel pipe, a high-strength steel pipe and the like; the concrete 4 may be ordinary concrete, recycled concrete, geopolymer concrete, ultra-high performance concrete, reactive powder concrete, steel fiber concrete, high-ductility concrete, high-strength grouting material, or the like.
The outer-layer composite energy absorbing structure comprises a polygonal fiber reinforced composite pipe 1 and an energy absorbing material 2, wherein the polygonal fiber reinforced composite pipe 1 on the inner side is fixedly connected with a polygonal steel pipe 3 through a connecting bolt 7, adjacent polygonal steel pipes 3 are fixedly connected through the connecting bolt 7 to form a honeycomb composite structure, and the polygonal fiber reinforced composite pipe 1 is filled with the energy absorbing material 2. Wherein, the energy absorbing material 2 can be rubber, latex, sponge, porous foam energy absorbing material, ethylene-vinyl acetate copolymer, etc.; the polygonal fiber reinforced composite pipe 1 can be in the form of a carbon fiber pipe, a glass fiber pipe, a basalt fiber pipe, a hybrid fiber pipe and the like. The outer layer of the anti-collision device is formed by filling energy absorbing materials into a series of polygonal fiber reinforced composite material pipes, so that a honeycomb composite material energy absorbing structure is formed, and the anti-collision device has high deformation and energy absorbing capacity.
The connecting bolt 7 may take the form of a single head bolt, a stud bolt, a high strength bolt, or the like.
According to the assembled detachable honeycomb pier superposition anti-collision device provided by the utility model, the inner layer, close to the pier, in the main body structure of the anti-collision device is integrally connected by a series of polygonal steel pipes through bolts, concrete is poured into each grid steel pipe to form a honeycomb steel concrete combined structure, and the device has very high anti-collision bearing capacity and rigidity by utilizing the restraint effect of the steel pipes on core concrete and the advantages of stable honeycomb structure, reasonable stress and the like; the outer layer of the anti-collision device is formed by filling energy absorbing materials into a series of polygonal fiber reinforced composite material pipes, so that a honeycomb composite material energy absorbing structure is formed, and the anti-collision device has high deformation and energy absorbing capacity. Thus, the two layers of the outer layer composite material energy absorbing structure and the inner layer steel concrete combined structure are overlapped to construct an anti-collision two-channel line, thereby achieving the effect of no damage to the light crashed ship and no damage to the heavy crashed pier. When the ship is slightly impacted, the outer honeycomb composite energy-absorbing structure can be greatly deformed, the impact energy is fully absorbed to ensure that the ship is not damaged and personnel are not injured, and once serious collision occurs, the high strength and high rigidity of the inner honeycomb steel concrete composite structure can effectively protect bridge piers from being damaged and prevent bridges from being seriously damaged or even collapsed when the limit deformation of the outer honeycomb steel concrete composite structure is exceeded.
The polygonal steel pipe and the composite pipe of the anti-collision device are respectively conveyed to a construction site after being processed in a factory, assembly type assembly is realized among the single pipes through bolts, heavy transportation and hoisting equipment are not needed on site, and the anti-collision device has the advantage of convenience in construction. Because each polygonal area grid can be partially replaced through the disassembling bolts, only the local collision damage area grid needs to be disassembled and replaced after collision, other nondestructive area grids can be continuously used, and the whole disassembly reconstruction or the large-scale repair reinforcement of the anti-collision device is not needed, so that the effects of saving materials and being more convenient to maintain are achieved.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. The honeycomb pier superposition anti-collision device is characterized by comprising an inner layer steel-concrete combined structure and an outer layer composite material energy-absorbing structure, wherein the inner layer steel-concrete combined structure is fixed on the side surface of a pier (6), and the outer layer composite material energy-absorbing structure is fixedly connected with the inner layer steel-concrete combined structure; the inner layer steel concrete composite structure and the outer layer composite material energy absorbing structure are both honeycomb.
2. The detachable honeycomb pier superposition anti-collision device according to claim 1, wherein the inner layer steel-concrete combined structure comprises polygonal steel pipes (3) and concrete (4), the inner side polygonal steel pipes (3) are fixed on the side surfaces of the piers (6), adjacent polygonal steel pipes (3) are fixedly connected to form a honeycomb steel structure, and the concrete (4) is poured in the polygonal steel pipes (3).
3. The detachable honeycomb pier superposition anti-collision device capable of being assembled and replaced according to claim 2, wherein the outer composite energy absorption structure comprises a polygonal fiber reinforced composite pipe (1) and an energy absorption material (2), the inner polygonal fiber reinforced composite pipe (1) is fixedly connected with a polygonal steel pipe (3), the adjacent polygonal steel pipes (3) are fixedly connected to form a honeycomb composite structure, and the energy absorption material (2) is filled in the polygonal fiber reinforced composite pipe (1).
4. The assembled and detachable honeycomb pier folding and anti-collision device according to claim 2, characterized in that the inner polygonal steel tube (3) is fixed to the side surface of the pier (6) through the implanted expansion bolts (5).
5. A collapsible honeycomb pier folding anti-collision device according to claim 3, characterized in that the adjacent polygonal fiber reinforced composite pipes (1), the adjacent polygonal steel pipes (3) and the adjacent polygonal fiber reinforced composite pipes (1) and the polygonal steel pipes (3) are fixedly connected by connecting bolts (7).
6. The detachable honeycomb pier folding anti-collision device of claim 1, wherein the outermost side of the outer composite energy absorbing structure is provided with a rubber fender (9) and a ladder (8).
7. The assembled detachable honeycomb pier superposition anti-collision device according to claim 4, wherein steel adhesive is arranged between the surface of the pier (6) and the polygonal steel pipe (3).
8. The detachable honeycomb pier superposition anti-collision device which is assembled and replaced according to claim 3, wherein the polygonal steel pipe (3) is any one of a low carbon steel pipe, an alloy steel pipe, a stainless steel pipe, a weather-resistant steel pipe and a high-strength steel pipe;
the polygonal fiber reinforced composite pipe (1) is any one of a carbon fiber pipe, a glass fiber pipe, a basalt fiber pipe and a hybrid fiber pipe;
the energy absorbing material (2) is selected from any one of rubber, latex, sponge, porous foam energy absorbing material and ethylene-vinyl acetate copolymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223292975.5U CN219059932U (en) | 2022-12-08 | 2022-12-08 | Assembled detachable honeycomb pier superposition anti-collision device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223292975.5U CN219059932U (en) | 2022-12-08 | 2022-12-08 | Assembled detachable honeycomb pier superposition anti-collision device |
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| CN219059932U true CN219059932U (en) | 2023-05-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115949030A (en) * | 2022-12-08 | 2023-04-11 | 福建农林大学 | Assembled and detachable cellular pier overlapping anti-collision device and construction method thereof |
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2022
- 2022-12-08 CN CN202223292975.5U patent/CN219059932U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115949030A (en) * | 2022-12-08 | 2023-04-11 | 福建农林大学 | Assembled and detachable cellular pier overlapping anti-collision device and construction method thereof |
| CN115949030B (en) * | 2022-12-08 | 2023-12-15 | 福建农林大学 | Assembled detachable honeycomb pier superposition anti-collision device and construction method thereof |
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