CN211948265U - Pier collision avoidance device - Google Patents
Pier collision avoidance device Download PDFInfo
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- CN211948265U CN211948265U CN202020615437.7U CN202020615437U CN211948265U CN 211948265 U CN211948265 U CN 211948265U CN 202020615437 U CN202020615437 U CN 202020615437U CN 211948265 U CN211948265 U CN 211948265U
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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
Abstract
The utility model discloses a pier collision avoidance device, including setting up two crashproof structures in pier upper reaches side and downstream side respectively, crashproof structure includes that the skin meets and hits the structure, middle dissipation structure and inlayer protective structure, middle dissipation structure is arranged by a plurality of dissipation units and is constituteed, the dissipation unit is hollow frame structure, its cross section is interior concave hexagon, the dissipation unit is formed by connecting the first curb plate of a set of relative setting and the first indent folded plate of a set of relative setting, a set of first indent folded plate of dissipation unit is arranged according to inside and outside direction, the outer structure of meeting and hitting the structure and all through biography power board fixed connection rather than the buckling point department of the first indent folded plate of every relative dissipation unit and inlayer protective structure. The device enables more materials to participate in energy dissipation, fully absorbs impact energy, greatly improves the energy dissipation, reduces the impact force transmitted to the pier, and better protects the pier and the ship.
Description
Technical Field
The utility model belongs to the bridge protection field especially relates to a pier collision avoidance device.
Background
The bridge pier is impacted by a ship to cause a bridge damage accident, wherein the bridge pier directly impacts the upstream side or the downstream side of the bridge pier in most cases, so that the economic loss of the bridge is huge, the research on the anti-collision protection device of the bridge pier is very important, and the existing anti-collision protection device of the bridge pier has various types and various structures and material forms. Through years of research and application, artificial islands built by sand, stones and the like, flexible anti-collision blocks which dissipate energy by adopting deformation of materials such as rubber and the like, floating or fixed anti-collision boxes and the like are developed, and the basic principle of the artificial island is based on auxiliary building blocking, energy absorption and momentum buffering.
The anti-collision box structure has the advantages of moderate cost, high protection performance, convenience in manufacturing and installation and the like, and is the most widely applied pier anti-collision device. When boats and ships striking anticollision case, the box structure takes place big deformation, partial collision energy has been absorbed on the one hand, on the other hand has prolonged contact time, make the peak value of boats and ships impact reduce, but the cross-section of the inside energy dissipation unit of current anticollision incasement portion generally adopts regular quadrangle, regular hexagon, regular octagon or circular equal regular poisson ratio structure, this kind of structural style can lead to when boats and ships striking anticollision case, the anticollision case structure takes place the inflation in perpendicular to atress direction, great stress concentration phenomenon appears in striking position department, along with the continuation of striking is deep, the box structure can be destroyed rapidly, thereby lead to the anticollision structure to become invalid, can't play better protection to the pier.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide a pier collision avoidance device, fully absorb the impact energy, promote the energy dissipation time by a wide margin, better protection pier.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a pier collision avoidance device, is including setting up two crashproof structures in pier upper reaches side and downstream side respectively, crashproof structure includes that outer meeting hits the structure, middle dissipation structure and inlayer protective structure, and middle dissipation structure is arranged by a plurality of dissipation units and is constituteed, the dissipation unit is hollow frame structure, and its cross section is indent hexagon, and the dissipation unit is formed by connecting a set of relative first curb plate that sets up and a set of relative first indent folded plate that sets up, and a set of first indent folded plate of dissipation unit arranges according to inside and outside direction, and outer meeting hits the structure and all through dowel plate fixed connection rather than the bending point department of the relative first indent folded plate of every dissipation unit and the bending point department of inlayer protective structure rather than the relative first indent folded plate of every dissipation unit.
Therefore, the anti-collision structures are arranged at the two places which are most easily impacted by the ship at the upstream side and the downstream side of the pier, so that the anti-collision structure can be applied to most impact conditions and reduce the loss of ship impact, the anti-collision structure comprises an outer layer impact-facing structure, a middle energy dissipation structure and an inner layer protection structure, the middle energy dissipation structure is used as a part for mainly dissipating impact energy and consists of a plurality of energy dissipation units which are arranged in an array mode, each energy dissipation unit is a hollow frame structure with an inwards concave hexagonal section, the bending point of a first inwards concave plate of each energy dissipation unit is connected with the outer layer impact-facing structure and the inner layer protection structure through a force transmission plate, so that after the ship impacts the outer layer impact-facing structure at first, impact force is transmitted to each energy dissipation unit through the force transmission plate, the force transmission plate changes the deformation working direction due to the fact that the force transmission plate is the bending point of the, the energy dissipation unit belongs to negative poisson ratio structure, compares current buffer stop's compression unstability bending deformation, and the energy dissipation unit more can directly get into the bending deformation stage, has removed the compression deformation process of earlier stage, lets the rigidity of structure weak relatively, and is out of shape more easily, lets the energy dissipation unit fully warp in limited space, makes more materials participate in the energy dissipation, and abundant absorption the striking energy promotes the energy dissipation time by a wide margin, better protection pier.
As optimization, the outer layer collision-facing structure is formed by arranging a plurality of adjacent collision-facing units, each collision-facing unit is a hollow frame structure, one group of opposite sides of each collision-facing unit are second side plates, the other group of opposite sides of each collision-facing unit are second concave folded plates and collision-facing plates, the collision-facing plates face outwards, the second concave folded plates face inwards, the bending points of the second concave folded plates are fixedly connected with the bending points of the first concave folded plates of the corresponding energy dissipation units through force transmission plates, and the second side plates of the adjacent collision-facing units are overlapped to realize close arrangement;
the inner layer protection structure is formed by arranging a plurality of adjacent protection units, each protection unit is a hollow frame structure, one group of opposite sides of each protection unit are opposite to the third side plate, the other group of opposite sides of each protection unit are a third inwards-concave folded plate and a protection plate, the protection plates face inwards, the third inwards-concave folded plates face outwards, the bending points of the third inwards-concave folded plates are fixedly connected with the bending points of the first inwards-concave folded plates of the corresponding energy dissipation units through the force transmission plates, and the third side plates of the adjacent protection units are overlapped to realize tight arrangement.
Therefore, the outer layer collision-facing structure and the inner layer protection structure are respectively formed by arranging a plurality of collision-facing units and protection units, and each collision-facing unit and each protection unit are respectively provided with a second concave folded plate and a third concave folded plate, so that the anti-collision unit and the protection units are easier to deform, can gather to a collision point instantly when being subjected to collision load, and tend to pull all structures to participate in deformation so as to dissipate energy.
The anti-collision structure comprises a collision unit, a protection unit and a rigidity reinforcing member, wherein the collision unit is arranged in the collision unit, the protection unit is arranged in the collision unit, the rigidity reinforcing member is used for adjusting the rigidity of the anti-collision structure, and the rigidity reinforcing member comprises a first rigidity reinforcing member arranged between the collision unit and the energy dissipation unit, a second rigidity reinforcing member arranged in the energy dissipation unit, a third rigidity reinforcing member arranged between the energy dissipation unit and the protection unit, a fourth rigidity reinforcing member arranged in the collision unit and a fifth rigidity reinforcing member arranged in the protection unit.
Therefore, the rigidity reinforcing piece can be used for reinforcing the rigidity of the whole anti-collision device and plays a role equivalent to a reinforcing rib, the rigidity reinforcing piece can be adjusted according to the fortification grade of the anti-collision device, and can participate in deformation together when being impacted greatly so as to dissipate energy.
Preferably, the first rigidity reinforcing part comprises a fourth inwards-concave folded plate which is tightly attached to the outer side wall of the second inwards-concave folded plate, two ends of the fourth inwards-concave folded plate are respectively bent towards one side of a pier to form a fourth side plate, the bending point of the fourth inwards-concave folded plate is aligned with the second side plate overlapped by two adjacent collision-facing units, the fourth side plate is tightly attached to a force transmission plate between the energy dissipation unit and the collision-facing unit, and two ends of the fourth inwards-concave folded plate are respectively abutted to the bending point of the second inwards-concave folded plate and the bending point of the first inwards-concave folded plate;
the second rigidity reinforcing piece is formed by connecting a group of oppositely arranged fifth side plates and a group of oppositely arranged fifth inwards-concave folded plates, the fifth side plates are tightly attached to the inner walls of the first side plates, and the fifth inwards-concave folded plates are tightly attached to the inner walls of the first inwards-concave folded plates;
the third rigidity reinforcing part comprises a sixth concave folded plate which is tightly attached to the outer side wall of the third concave folded plate, two ends of the sixth concave folded plate are respectively bent towards one side of the pier to form a sixth side plate, the bending point of the sixth concave folded plate is aligned with the third side plate overlapped by two adjacent protection units, the sixth side plate is tightly attached to a force transmission plate between the energy dissipation unit and the protection units, and two ends of the sixth side plate are respectively abutted to the bending point of the second concave folded plate and the bending point of the third concave folded plate;
the fourth rigidity reinforcing part comprises an anti-collision reinforcing plate which is arranged close to the inner side wall of the impact plate, two ends of the anti-collision reinforcing plate are respectively bent inwards to form anti-collision side plates, the anti-collision side plates are arranged close to the inner side wall of the second side plate in the anti-collision unit, and two ends of the anti-collision side plates are respectively abutted against the inner side wall of the impact plate and the inner side wall of the second concave folded plate;
the fifth rigidity reinforcing part comprises a protection reinforcing plate tightly attached to the inner side wall of the third side plate of the protection unit, and the two ends of the protection reinforcing plate are respectively abutted to the inner side wall of the protection plate and the inner side wall of the third concave folded plate.
The shape of the first stiffness reinforcing piece, the second stiffness reinforcing piece, the third stiffness reinforcing piece, the fourth stiffness reinforcing piece and the fifth stiffness reinforcing piece is consistent with the shape of each close-contact part, under the condition of increasing the stiffness, the deformation of the head-on collision unit, the deformation of the energy dissipation unit and the deformation of the protection unit are not interfered, and the head-on collision unit, the energy dissipation unit and the deformation of the protection unit can participate in deformation along with the head-on collision unit, the energy dissipation unit and the deformation of the protection.
Preferably, the first, second, third, fourth and fifth stiffness reinforcement members are arranged in a plurality of layers at intervals from top to bottom.
Thus, the number of layers of the rigidity reinforcing piece can be adjusted according to the actual anti-collision grade, the anti-collision grade is high, the number of layers which can be arranged up and down is larger, the anti-collision grade is low, and the number of layers which can be arranged up and down is lower.
As optimization, still include two connection structure, two connection structure set up in pier both sides, two anticollision structure's both ends link to each other through a connection structure respectively, four link to each other and form the loop configuration so that surround the pier.
Preferably, the collision-resisting plate and the protection plates are arc-shaped plates, the collision-resisting plates of all the collision-resisting units are spliced to form a whole semicircular shape, the protection plates of all the protection units are spliced to form a whole semicircular shape, and the circle centers of the protection plates are overlapped, so that the collision-resisting structure is integrally semicircular.
Preferably, the anti-collision structure is further provided with a rigidity maintaining piece on one side facing the pier, one side of the rigidity maintaining piece is abutted against the outer side walls of all the protection plates, the other side of the rigidity maintaining piece is opposite to the pier, and a rubber fender is arranged between the other side of the rigidity maintaining piece and the pier.
Therefore, the two anti-collision structures are connected through the connecting structure, the two anti-collision structures are made to wholly surround the bridge pier, all-round protection is conducted on the bridge pier, according to actual needs, the connecting structure on the side face of the bridge pier can also adopt the same internal structure as the anti-collision structures, the connecting structure is used for preventing a ship with small probability from laterally striking the bridge pier, the anti-collision structures are wholly semicircular, the ship can strike the anti-collision structures from any angle, collision energy can be effectively absorbed, the bridge pier is protected, the rigidity maintaining piece is arranged on one side, facing the bridge pier, of the anti-collision structures, the rubber fender is arranged between the rigidity maintaining piece and the bridge pier, and the.
Drawings
FIG. 1 is a floor plan of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an anti-collision structure in an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In the specific implementation: referring to fig. 1 and 2, the anti-collision protection device for the bridge pier comprises two anti-collision structures 1 respectively arranged on the upstream side and the downstream side of the bridge pier, each anti-collision structure comprises an outer layer collision facing structure 2, a middle energy dissipation structure 3 and an inner layer protection structure 4, each middle energy dissipation structure 3 is formed by arranging a plurality of energy dissipation units 31, each energy dissipation unit 31 is a hollow frame structure, the cross section of each energy dissipation unit is an inwards concave hexagon, each energy dissipation unit is formed by connecting a group of first side plates 32 which are oppositely arranged with a group of first inwards concave folded plates 33 which are oppositely arranged, the group of first inwards concave folded plates of each energy dissipation unit are arranged in the inner and outer directions, and the bending points of the first inwards concave folded plates of each energy dissipation unit of the outer layer collision facing structure and each energy dissipation unit of the inner layer protection structure.
Therefore, the anti-collision structures are arranged at the two places which are most easily impacted by the ship at the upstream side and the downstream side of the pier, so that the anti-collision structure can be applied to most impact conditions and reduce the loss of ship impact, the anti-collision structure comprises an outer layer impact-facing structure, a middle energy dissipation structure and an inner layer protection structure, the middle energy dissipation structure is used as a part for mainly dissipating impact energy and consists of a plurality of energy dissipation units which are arranged in an array mode, each energy dissipation unit is a hollow frame structure with an inwards concave hexagonal section, the bending point of a first inwards concave plate of each energy dissipation unit is connected with the outer layer impact-facing structure and the inner layer protection structure through a force transmission plate, so that after the ship impacts the outer layer impact-facing structure at first, impact force is transmitted to each energy dissipation unit through the force transmission plate, the force transmission plate changes the deformation working direction due to the fact that the force transmission plate is the bending point of the, the energy dissipation unit belongs to negative poisson ratio structure, compares current buffer stop's compression unstability bending deformation, and the energy dissipation unit more can directly get into the bending deformation stage, has removed the compression deformation process of earlier stage, lets the rigidity of structure weak relatively, and is out of shape more easily, lets the energy dissipation unit fully warp in limited space, makes more materials participate in the energy dissipation, and abundant absorption the striking energy promotes the energy dissipation time by a wide margin, better protection pier.
As an optimization, the outer layer collision-facing structure 2 is formed by arranging a plurality of adjacent collision-facing units 21, each collision-facing unit is a hollow frame structure, one group of opposite sides of the collision-facing unit are second side plates 22, the other group of opposite sides of the collision-facing unit are second concave folded plates 23 and collision-facing plates 24, each collision-facing plate faces outwards, each second concave folded plate faces inwards, each second concave folded plate and each two second side plates are integrally M-shaped, the bending points of the second concave folded plates are fixedly connected with the bending points of the first concave folded plates of the corresponding energy dissipation units through the force transmission plates, and the second side plates of the adjacent collision-facing units are overlapped to realize tight arrangement;
the inner layer protection structure 4 is formed by arranging a plurality of adjacent protection units 41, each protection unit is a hollow frame structure, one group of opposite sides of each protection unit are opposite to a third side plate 42, the other group of opposite sides of each protection unit are a third inwards concave folded plate 43 and a protection plate 44, the protection plates face inwards, the third inwards concave folded plates face outwards, the third inwards concave folded plates and the two third side plates are integrally M-shaped, the bending points of the third inwards concave folded plates are fixedly connected with the bending points of the first inwards concave folded plates of the opposite energy dissipation units through a force transmission plate, and the third side plates of the adjacent protection units are overlapped to realize close arrangement.
Therefore, the outer layer collision-facing structure and the inner layer protection structure are respectively formed by arranging a plurality of collision-facing units and protection units, and each collision-facing unit and each protection unit are respectively provided with a second concave folded plate and a third concave folded plate, so that the anti-collision unit and the protection units are easier to deform, can gather to a collision point instantly when being subjected to collision load, and tend to pull all structures to participate in deformation so as to dissipate energy.
And as optimization, the anti-collision structure further comprises rigidity reinforcing parts for adjusting the rigidity of the anti-collision structure, wherein the rigidity reinforcing parts comprise a first rigidity reinforcing part 6 arranged between the head-on collision unit and the energy dissipation unit, a second rigidity reinforcing part 7 arranged in the energy dissipation unit, a third rigidity reinforcing part 8 arranged between the energy dissipation unit and the protection unit, a fourth rigidity reinforcing part 9 arranged in the head-on collision unit and a fifth rigidity reinforcing part 10 arranged in the protection unit.
Therefore, the rigidity reinforcing piece can be used for reinforcing the rigidity of the whole anti-collision device and plays a role equivalent to a reinforcing rib, the rigidity reinforcing piece can be adjusted according to the fortification grade of the anti-collision device, and can participate in deformation together when being impacted greatly so as to dissipate energy.
Preferably, the first rigidity reinforcing part 6 comprises a fourth inward-concave folded plate 61 closely attached to the outer side wall of the second inward-concave folded plate, two ends of the fourth inward-concave folded plate are respectively bent towards one side of a pier to form a fourth side plate 62, the bending point of the fourth inward-concave folded plate is aligned with the second side plate overlapped by two adjacent collision-facing units, the fourth side plate is closely attached to a force transmission plate between the energy dissipation unit and the collision-facing unit, and two ends of the fourth inward-concave folded plate are respectively abutted to the bending point of the second inward-concave folded plate and the bending point of the first inward-concave folded plate;
the second rigidity reinforcing piece 7 is formed by connecting a group of oppositely arranged fifth side plates 71 and a group of oppositely arranged fifth inwards-concave folded plates 72, the fifth side plates are tightly attached to the inner walls of the first side plates, and the fifth inwards-concave folded plates are tightly attached to the inner walls of the first inwards-concave folded plates;
the third rigidity reinforcing part 8 comprises a sixth concave folded plate 81 tightly attached to the outer side wall of the third concave folded plate, two ends of the sixth concave folded plate are respectively bent towards one side of a pier in a mode of being opposite to one side of the pier to form a sixth side plate 82, the bending point of the sixth concave folded plate is aligned with the third side plate overlapped by two adjacent protection units, the sixth side plate is tightly attached to a force transmission plate positioned between the energy dissipation unit and the protection unit, and two ends of the sixth side plate are respectively abutted to the bending point of the second concave folded plate and the bending point of the third concave folded plate;
the fourth rigidity reinforcing part 9 comprises an anti-collision reinforcing plate 91 tightly attached to the inner side wall of the impact plate, two ends of the anti-collision reinforcing plate are respectively bent inwards to form anti-collision side plates 92, the anti-collision side plates are tightly attached to the inner side wall of a second side plate in the anti-collision unit, and two ends of the anti-collision side plates are respectively abutted to the inner side wall of the impact plate and the inner side wall of a second inwards concave folded plate;
The shape of the first stiffness reinforcing piece, the second stiffness reinforcing piece, the third stiffness reinforcing piece, the fourth stiffness reinforcing piece and the fifth stiffness reinforcing piece is consistent with the shape of each close-contact part, under the condition of increasing the stiffness, the deformation of the head-on collision unit, the deformation of the energy dissipation unit and the deformation of the protection unit are not interfered, and the head-on collision unit, the energy dissipation unit and the deformation of the protection unit can participate in deformation along with the head-on collision unit, the energy dissipation unit and the deformation of the protection.
Preferably, the first, second, third, fourth and fifth stiffness reinforcement members are arranged in a plurality of layers at intervals from top to bottom.
Thus, the number of layers of the rigidity reinforcing piece can be adjusted according to the actual anti-collision grade, the anti-collision grade is high, the number of layers which can be arranged up and down is larger, the anti-collision grade is low, and the number of layers which can be arranged up and down is lower.
Preferably, the anti-collision device further comprises two connecting structures 12, the two connecting structures are arranged on two sides of the pier, two ends of the two anti-collision structures are connected through one connecting structure respectively, and the two anti-collision structures are connected to form an annular structure so as to surround the pier 13.
Preferably, the collision-resisting plate and the protection plates are arc-shaped plates, the collision-resisting plates of all the collision-resisting units are spliced to form a whole semicircular shape, the protection plates of all the protection units are spliced to form a whole semicircular shape, and the circle centers of the protection plates are overlapped, so that the collision-resisting structure is integrally semicircular.
Preferably, the anti-collision structure is further provided with a rigidity maintaining piece 14 on one side facing the pier, one side of the rigidity maintaining piece is abutted against the outer side walls of all the protection plates, the other side of the rigidity maintaining piece is opposite to the pier, and a rubber fender is arranged between the rigidity maintaining piece and the pier.
It is such, connect two anti-collision structure through connection structure, make its whole pier that surrounds, carry out omnidirectional protection to the pier, according to actual need, the connection structure of pier side also can adopt the same inner structure with anti-collision structure, a ship from the side striking pier for taking precautions against the probability of small, the whole semicircular in shape of anti-collision structure, boats and ships hit anti-collision structure from arbitrary angle, homoenergetic that can effectual absorption collision, protect the pier, and set up rigidity holding piece towards pier one side at anti-collision structure, set up the rubber fender between rigidity holding piece and pier, can be used to the whole device of buffering impact and the rising of pier, whole device can use steel sheet material, also can use other metal material and novel combined material.
Claims (8)
1. The utility model provides a pier collision avoidance device which characterized in that: the anti-collision structure comprises an outer layer collision-resisting structure, a middle energy dissipation structure and an inner layer protection structure, wherein the outer layer collision-resisting structure is arranged on the upstream side and the downstream side of a pier, the middle energy dissipation structure is formed by arranging a plurality of energy dissipation units, the energy dissipation units are hollow frame structures, the cross sections of the energy dissipation units are concave hexagons, the energy dissipation units are formed by connecting a group of first side plates which are arranged oppositely and a group of first concave folded plates which are arranged oppositely, the group of first concave folded plates of the energy dissipation units are arranged in the inner and outer directions, and the outer layer collision-resisting structure is fixedly connected with the bending points of the first concave folded plates of each energy dissipation unit opposite to the outer layer collision-resisting structure and the bending points of the first concave folded plates of each energy dissipation.
2. The anti-collision protection device for piers according to claim 1, characterized in that: the outer layer collision-facing structure is formed by arranging a plurality of adjacent collision-facing units, each collision-facing unit is a hollow frame structure, one group of opposite sides of the collision-facing unit are second side plates, the other group of opposite sides of the collision-facing unit are a second concave folded plate and a collision-facing plate, the collision-facing plate faces outwards, the second concave folded plate faces inwards, the bending point of the second concave folded plate is fixedly connected with the bending point of the first concave folded plate of the energy dissipation unit opposite to the second concave folded plate through a force transmission plate, and the second side plates of the adjacent collision-facing units are overlapped to realize tight arrangement;
the inner layer protection structure is formed by arranging a plurality of adjacent protection units, each protection unit is a hollow frame structure, one group of opposite sides of each protection unit are opposite to the third side plate, the other group of opposite sides of each protection unit are a third inwards-concave folded plate and a protection plate, the protection plates face inwards, the third inwards-concave folded plates face outwards, the bending points of the third inwards-concave folded plates are fixedly connected with the bending points of the first inwards-concave folded plates of the corresponding energy dissipation units through the force transmission plates, and the third side plates of the adjacent protection units are overlapped to realize tight arrangement.
3. The anti-collision protection device for piers according to claim 2, characterized in that: the anti-collision structure further comprises a rigidity reinforcing piece used for adjusting the rigidity of the anti-collision structure, wherein the rigidity reinforcing piece comprises a first rigidity reinforcing piece arranged between the head-on collision unit and the energy dissipation unit, a second rigidity reinforcing piece arranged in the energy dissipation unit, a third rigidity reinforcing piece arranged between the energy dissipation unit and the protection unit, a fourth rigidity reinforcing piece arranged in the head-on collision unit and a fifth rigidity reinforcing piece arranged in the protection unit.
4. The anti-collision protection device for piers according to claim 3, characterized in that: the first rigidity reinforcing part comprises a fourth inwards-concave folded plate which is tightly attached to the outer side wall of the second inwards-concave folded plate, two ends of the fourth inwards-concave folded plate are respectively bent towards one side of a pier to form a fourth side plate, the bending point of the fourth inwards-concave folded plate is aligned with the second side plate overlapped by two adjacent collision-facing units, the fourth side plate is tightly attached to a force transmission plate between the energy dissipation unit and the collision-facing unit, and two ends of the fourth inwards-concave folded plate are respectively abutted to the bending point of the second inwards-concave folded plate and the bending point of the first inwards-concave folded plate;
the second rigidity reinforcing piece is formed by connecting a group of oppositely arranged fifth side plates and a group of oppositely arranged fifth inwards-concave folded plates, the fifth side plates are tightly attached to the inner walls of the first side plates, and the fifth inwards-concave folded plates are tightly attached to the inner walls of the first inwards-concave folded plates;
the third rigidity reinforcing part comprises a sixth concave folded plate which is tightly attached to the outer side wall of the third concave folded plate, two ends of the sixth concave folded plate are respectively bent towards one side of the pier to form a sixth side plate, the bending point of the sixth concave folded plate is aligned with the third side plate overlapped by two adjacent protection units, the sixth side plate is tightly attached to a force transmission plate between the energy dissipation unit and the protection units, and two ends of the sixth side plate are respectively abutted to the bending point of the second concave folded plate and the bending point of the third concave folded plate;
the fourth rigidity reinforcing part comprises an anti-collision reinforcing plate which is arranged close to the inner side wall of the impact plate, two ends of the anti-collision reinforcing plate are respectively bent inwards to form anti-collision side plates, the anti-collision side plates are arranged close to the inner side wall of the second side plate in the anti-collision unit, and two ends of the anti-collision side plates are respectively abutted against the inner side wall of the impact plate and the inner side wall of the second concave folded plate;
the fifth rigidity reinforcing part comprises a protection reinforcing plate tightly attached to the inner side wall of the third side plate of the protection unit, and the two ends of the protection reinforcing plate are respectively abutted to the inner side wall of the protection plate and the inner side wall of the third concave folded plate.
5. The anti-collision protection device for piers according to claim 4, characterized in that: the first, second, third, fourth and fifth rigidity reinforcing parts are all arranged in a plurality of layers at intervals up and down.
6. The anti-collision protection device for piers according to claim 1, characterized in that: still include two connection structure, two connection structure set up in the pier both sides, two anticollision structure's both ends link to each other through a connection structure respectively, four link to each other and form the loop configuration so that surround the pier.
7. The anti-collision protection device for piers according to claim 2, characterized in that: the collision-resisting plate and the protection plates are arc-shaped plates, the collision-resisting plates of all collision-resisting units are spliced to form a whole semicircular shape, the protection plates of all protection units are spliced to form a whole semicircular shape, and the circle centers of the protection plates and the protection plates are overlapped, so that the whole semicircular shape of the collision-resisting structure is realized.
8. The anti-collision protection device for piers according to claim 7, characterized in that: the anti-collision structure still is equipped with rigidity retainer towards pier one side, and one side and all guard plate lateral walls butt of rigidity retainer, opposite side and pier just are equipped with rubber fender between the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020615437.7U CN211948265U (en) | 2020-04-22 | 2020-04-22 | Pier collision avoidance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020615437.7U CN211948265U (en) | 2020-04-22 | 2020-04-22 | Pier collision avoidance device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211948265U true CN211948265U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020615437.7U Active CN211948265U (en) | 2020-04-22 | 2020-04-22 | Pier collision avoidance device |
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| Country | Link |
|---|---|
| CN (1) | CN211948265U (en) |
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2020
- 2020-04-22 CN CN202020615437.7U patent/CN211948265U/en active Active
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