CN212801422U - Anti-collision device for bridge pier - Google Patents
Anti-collision device for bridge pier Download PDFInfo
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- CN212801422U CN212801422U CN202021148217.4U CN202021148217U CN212801422U CN 212801422 U CN212801422 U CN 212801422U CN 202021148217 U CN202021148217 U CN 202021148217U CN 212801422 U CN212801422 U CN 212801422U
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- collision
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- hole
- rotating shaft
- collision device
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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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Abstract
The utility model provides an anti-collision device for bridge piers. The anti-collision device of the pier comprises: an anti-collision body; the connecting assembly is arranged on the anti-collision body, and the anti-collision body is detachably connected with a pier through the connecting assembly; at least a pair of wave reducing fin, arrange in on the anticollision body, wave reducing fin includes first side and second side, first side with the second side is criss-cross, first side with the crossing angle more than or equal to 10 degrees between the second side are less than 60 degrees. The utility model provides an anti-collision device can effectively reduce the unrestrained resistance that receives between pier and the anti-collision device, and safe and reliable can effectively reduce collision accident damage degree.
Description
Technical Field
The utility model belongs to the technical field of the bridge, concretely relates to collision preventing device of pier.
Background
Bridge collision accidents occur all over the world, so that it is necessary to take anti-collision measures to prevent the bridge from structural damage caused by the impact of an impact object, such as a ship, and to protect ships from and to the greatest extent possible, thereby greatly reducing damage.
At present, current bridge pier's protector simple structure, the function singleness generally all is the crashproof rail that adopts the rigidity, for example concrete guardrail, and the rigidity guardrail is to a certain extent, but the damage that leads to the fact accident boats and ships is very big, in addition, especially to the pier of standing in the water, because the surface of water stormy waves is great, has not only increaseed the striking to the pier when taking place the accident, receives the erosion of some corrosive substance in the water and the impact of silt easily moreover.
Therefore, it is necessary to design and manufacture a new anti-collision device for a bridge pier, so as to solve the problem of wind wave resistance between the bridge pier and the anti-collision device, reduce damage, protect the bridge pier and improve the utilization rate of the anti-collision device.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art's shortcoming, the utility model aims to provide an anti collision device of pier for among the solution prior art, the problem that receives the stormy waves between pier and the anti collision device big, the potential safety hazard is big, the accident damage degree is big.
In order to achieve the above objects and other related objects, the utility model provides an anti-collision device for pier, include: an anti-collision body; the connecting assembly is arranged on the anti-collision body, and the anti-collision body is detachably connected with a pier through the connecting assembly; at least a pair of wave reducing fin, arrange in on the anticollision body, wave reducing fin includes first side and second side, first side with the second side is criss-cross, first side with the crossing angle more than or equal to 10 degrees between the second side are less than 60 degrees.
In one embodiment, the length of the first side is greater than or equal to the length of the second side.
In one embodiment, the cross-sectional area of the wave-reducing fin is greater than or equal to 12cm2 and less than or equal to 50cm 2.
In one embodiment, the pair of wave-reducing fins are symmetrically arranged on the anti-collision body.
In one embodiment, the impact body includes: a housing filled with a foam material; a plurality of energy dissipating ribs disposed within the housing, the energy dissipating ribs being disposed inside the foamed material and/or on a surface of the foamed material, wherein the plurality of energy dissipating ribs constitute a mesh structure that is staggered with each other; and the energy dissipation columns are arranged on the shell.
In one embodiment, the outside of the housing has a water-diverting corner.
In one embodiment, the connection assembly includes: the fixing base is arranged on the anti-collision body and provided with a first rotating shaft hole; one end of the supporting arm is provided with a first through hole; the first rotating shaft penetrates through the first rotating shaft hole and the first through hole and rotates around the first rotating shaft hole and the first through hole; and the roller assembly is rotatably connected to the other end of the supporting arm.
In one embodiment, the scroll wheel assembly includes: the roller body is provided with a second shaft hole; the roller wheel supporting frame is connected to the other end of the supporting arm, and a second through hole is formed in the roller wheel supporting frame; and the second rotating shaft penetrates through the second rotating shaft hole and the second through hole and rotates around the second rotating shaft hole and the second through hole.
In one embodiment, the connection assembly includes: the bearing frame is fixedly arranged on the bridge pier; the guide rail is fixedly arranged on the bearing frame; the slide block is arranged on the anti-collision body and slides on the guide rail.
In one embodiment, the anti-collision body further comprises a shock absorption layer and/or an anti-corrosion layer.
As above, according to the utility model provides an anti-collision device of pier arrange at least a pair of unrestrained fin that subtracts on anti-collision device's the anticollision body, the unrestrained fin that subtracts includes first side and second side, first side with the second side is alternately, first side with crossing angle more than or equal to 10 degrees between the second side are less than 60 degrees, the bionical fin that subtracts unrestrained fin and utilize first side and second side to constitute various three horn shapes to play the effect that subtracts unrestrained, fully reduce the stormy wave resistance that receives between pier and the anti-collision device, especially when the impactor collides the pier, avoided anti-collision device to rock by a wide margin around the pier, can fully protect the pier, reduce the damage to bridge and impactor. Furthermore, the utility model discloses a buffer layer and anticorrosive coating have still been add on buffer stop's the anticollision body, have avoided the corrosive substance in the water to buffer stop's corruption to anticollision effect and rate of utilization have further been improved. The utility model provides an anti-collision device of pier has small, light in weight, be convenient for installation and dismantlement, long service life, easy operation, safe and reliable, and the strong characteristics of commonality.
Drawings
Fig. 1 is a schematic view showing an overall structure of an embodiment of the anti-collision device for a bridge pier according to the present invention.
Fig. 2 is a schematic cross-sectional view of an embodiment of the anti-collision device for a bridge pier according to the present invention.
FIG. 3 is a schematic sectional view of the structure of FIG. 1 taken along the line A-A.
Fig. 4 is a schematic structural view of another embodiment of the connection assembly of the anti-collision device according to the present invention.
Fig. 5A shows the schematic structural diagram of the wave-reducing fin in the anti-collision device of the present invention, wherein the end surface of the anti-collision body is rectangular.
Fig. 5B shows a schematic structural diagram of the wave-reducing fin in the anti-collision device of the present invention, wherein the end surface of the anti-collision body is circular.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
Please refer to fig. 1 to 5. It should be understood that the structures, ratios, sizes, etc. shown in the drawings attached to the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, changes of the ratio relationship, or adjustment of the size should still fall within the scope that the technical contents disclosed in the present invention can cover without affecting the efficacy that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Referring to fig. 1 to 5, the present invention provides an anti-collision device for a pier, which includes an anti-collision body 1, a connection assembly 2, and at least one pair of wave-reducing fins 3.
Referring next to fig. 1 and 3, the collision preventing body 1 of the present invention may be disposed around the periphery of a pier 4, for example, the collision preventing body 1 includes a shell 11, a foam material 12 filled in the shell 11, a plurality of energy dissipating ribs 13, and a plurality of energy dissipating columns 14. The housing 11 is, for example, a plastic material made of a composite material, such as a fiber-reinforced resin and a metal-reinforced resin, specifically, glass fibers, carbon fibers, aramid fibers, and mixed fibers, such as polyester resins, meta-benzene resins, ortho-benzene resins, vinyl resins, epoxy resins, and bisphenol a type resins, and such as steel. The housing 11 is a plastic member capable of being opened and closed, and has a through hole inside so as to be sleeved on the pier 4, the shape of the through hole inside the housing 11 can be adjusted according to the shape of the pier 4, such as a circle, a square or other different shapes, the shape of the outside of the housing 11 is not particularly limited, and may be a circle, a square or other different shapes, in another embodiment, the outside of the housing 11 has a diversion corner 110 from the viewpoint of diversion, and further, a plurality of diversion corners are provided according to the flow direction of water flow.
Referring to fig. 3, the foam material 12 is filled in the shell 11, the foam material 12 is, for example, a polyurethane foam material, the pore size of the foam is, for example, 1-10mm, such as 5mm, 6mm, and 8mm, and the pore size in the above range is desirable, that is, the polyurethane foam material has excellent buffering performance, and can sufficiently reduce the impact of an impactor on the pier. Of course, the type of the foaming material 12 listed here is a specific embodiment, and in other embodiments, the type of the foaming material 12 may be selected according to actual needs, and is not limited thereto.
Referring next to fig. 3, energy dissipating ribs 13 are disposed in the shell 11, specifically, the energy dissipating ribs 13 are disposed inside the foaming material 12, for example, interlaced inside the foaming material 12, the energy dissipating ribs 13 may also be disposed on the surface of the foaming material 12, for example, between the foaming material 12 and the shell 11, the energy dissipating ribs 13, for example, 4, 6, 10, 20, form an interlaced net structure, which not only enhances the structural strength and the buffering deformability of the impact body 1, but also, when the impact body 1 is impacted, the energy dissipating ribs 13 deform due to the compression of the impact force, on one hand, convert the kinetic energy of the impact object into elastic potential energy, on the other hand, prolong the acting time of the impact object and the impact body 1, and finally reduce the magnitude of the impact force.
Referring back to fig. 1, the energy dissipation columns 14 are arranged on the impact body 1, the energy dissipation columns 14 may be provided in a plurality, such as 2, 4, 6, etc., and are respectively arranged along the impact body 1, such as vertically and uniformly arranged on the inner side of the shell 11, the axis of the energy dissipation columns is parallel to the axis of the pier 4, and the energy dissipation columns further absorb the kinetic energy generated during the impact.
It should be noted that, from the viewpoint of improving the shock absorbing performance and/or the corrosion resistance of the impact prevention device, the surface of the housing 11 may be formed of a rubber material, an air-filled material, and a shock absorbing layer. Further, the surface of the housing 11, for example, the surface of the shock absorbing layer, may be coated with a corrosion resistant material to form a corrosion resistant layer, and specific examples of the corrosion resistant material may include carbon, gold, titanium, platinum, a conductive material of carbon, graphite, graphene, a noble metal, an inert metal, or the like.
Referring to fig. 1 and 2, the anti-collision device further includes a connection assembly 2, the connection assembly 2 is disposed on the anti-collision body 1, and the connection assembly 2 may be provided in multiple groups, for example, 2 groups, 4 groups, 6 groups, etc., which are respectively disposed along the anti-collision body 1, so that the anti-collision body 1 can be uniformly stabilized on the pier 4 and detachably connected to the pier 4. In a specific embodiment of the present invention, the connecting component 2 is, for example, a connecting plate, and the connecting plate is fastened on the housing 11 of the anti-collision body 1 and on the pier 4, for example, by bolts (not shown in the figure), so that the anti-collision body 1 is stably connected to the pier 4 without shaking along with the change of the external environment.
Referring to fig. 4, in another embodiment of the present disclosure, the connecting assembly 2 includes a fixing base 21, a first rotating shaft 22, a supporting arm 23, and a roller assembly 24.
Referring to fig. 4, the fixing base 21 is fixedly disposed on the anti-collision body 1, for example, on the inner side of the shell 11, the fixing base 21 is semi-cylindrical and has a first shaft hole, and the first rotating shaft 22 passes through the first shaft hole and is stabilized on the fixing base 21. The supporting arm 23 is, for example, a strip-shaped supporting arm, one end of which is provided with a through hole and penetrates through the first rotating shaft 22, so that the supporting arm 23 can freely rotate around the first rotating shaft 22, and the other end of the supporting arm 23 is fixedly connected to the roller assembly 24, so that the supporting arm 23 can move along with the rolling of the roller assembly 24.
Please refer to fig. 4, in the utility model discloses an in the embodiment, roller component 24 includes roller support frame, roller body, and the second pivot, roller support frame's middle part is equipped with the arc recess, and the both sides of arc wall are the outstanding backup pad that is provided with respectively, have all seted up the through-hole in two backup pads, and roller body's partly is located in the arc wall, the laminating of another part pier 4 is followed the surface roll of pier 4 has seted up the second shaft hole on the roller body, and the second pivot passes the through-hole of two shaft holes and roller support frame's backup pad to roller support frame and roller body can wind the second pivot free rotation. Of course, this is merely a specific embodiment of the connecting assembly 2, and in other embodiments, the connecting assembly 2 may also be a sliding rail assembly, for example, including: the anti-collision device comprises a bearing frame fixedly arranged on the pier 4, a guide rail fixedly arranged on the bearing frame, and a sliding block arranged on the anti-collision body 1, wherein the sliding block can slide on the guide rail, so that the anti-collision body 1 can slide up and down along the surface of the pier 4, and the anti-collision device is not limited to the above. The anti-collision body 1 can move up and down along the surface of the pier 4 along with the change of the external environment through the connecting component 2, and is particularly suitable for the change generated when the water level rises and falls.
Referring to fig. 1 to 2 and 5A to 5B, the anti-collision device further includes at least a pair of wave-reducing fins 3, where the wave-reducing fins 3 are disposed on the anti-collision body 1, for example, on the bottom end surface of the shell 11, and the pair of wave-reducing fins are symmetrically disposed on the end surface. The wave reducing fin 3 includes a first side 31 and a second side 32, the first side 31 intersects with the second side 32, and an intersection angle a between the first side 31 and the second side 32 is greater than or equal to 10 degrees and less than 60 degrees, and further, is within a range of greater than or equal to 10 degrees and less than or equal to 50 degrees, such as 15 degrees, 20 degrees, 35 degrees, 45 degrees, and 50 degrees. Further, the length of the first side edge 31 may be greater than or equal to the length of the second side edge 32, for example, greater than the length of the second side edge 32, for example, twice or 3 times the length of the second side edge 32. Furthermore, the cross-sectional area of the wave-reducing fin 3 is greater than or equal to 12cm2Less than or equal to 50cm2E.g. 15cm2、20cm2、30cm2、35cm2When reducing unrestrained fin 3 in above-mentioned within range, can constitute the bionical fin of various triangle-shaped, it is balanced the stability of buffer stop in aqueous fully plays the effect that reduces unrestrained, reduces the stormy wave resistance that receives between pier 4 and the buffer stop, especially when the impactor collides pier 4, avoids buffer stop to rock around pier 4 by a wide margin, protects pier 4, reduces the damage to this kind of impactor of bridge and boats and ships. The wave-reducing fin 3 is made of, for example, a solid material, for example, a fiber-reinforced resin material, but is not limited thereto.
When carrying out the crashproof operation, open 1 duplex winding of anticollision body arrange around on the pier 4, will the utility model discloses an anticollision device cover is established on pier 4, protects pier 4. When large waves are generated on the water surface, the anti-collision device reduces the waves through the plurality of wave reducing fins 3, so that the impact force to the bridge pier 4 is reduced. Bear the weight of the rammer of removal on the surface of water, for example during boats and ships, the rammer collides pier 4 leads to the further increase of surface of water stormy waves fluctuation range, a plurality of stormy waves fins 3 reduce the stormy waves resistance that receives between pier 4 and the buffer stop, avoids buffer stop to rock around pier 4 by a wide margin, and the striking kinetic energy that buffer stop received when will striking turns into elastic potential energy to can fully protect pier 4, reduce the damage to bridge and ship to come.
To sum up, the utility model provides an anti collision device of pier can fully protect the pier, reduces the damage to bridge and boats and ships, moreover, still add buffer layer and anticorrosive coating on anti collision device's the anticollision body, avoided the corruption of corrosive substance in the water to anti collision device to anticollision effect and rate of utilization have further been improved. Furthermore, buffer stop has small, light in weight, be convenient for installation and dismantlement, long service life, easy operation, safe and reliable, and the characteristics that the commonality is strong, consequently, the utility model discloses the high industrial utilization of utensil value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. An anti-collision device for a bridge pier, comprising:
an anti-collision body;
the connecting assembly is arranged on the anti-collision body, and the anti-collision body is detachably connected with a pier through the connecting assembly;
at least a pair of wave reducing fin, arrange in on the anticollision body, wave reducing fin includes first side and second side, first side with the second side is criss-cross, first side with the crossing angle more than or equal to 10 degrees between the second side are less than 60 degrees.
2. The anti-collision device for a bridge pier of claim 1, wherein the length of the first side is greater than or equal to the length of the second side.
3. The anti-collision device for a pier of claim 1, wherein the cross-sectional area of the wave-reducing fin is 12cm or more2Less than or equal to 50cm2。
4. The anti-collision device for a pier according to claim 1, wherein the pair of wave-reducing fins are symmetrically arranged on the anti-collision body.
5. The collision avoidance device for a pier according to claim 1, wherein the collision avoidance body comprises:
a housing filled with a foam material;
a plurality of energy dissipating ribs disposed within the housing, the energy dissipating ribs being disposed inside the foamed material and/or on a surface of the foamed material, wherein the plurality of energy dissipating ribs constitute a mesh structure that is staggered with each other;
and the energy dissipation columns are arranged on the shell.
6. The anti-collision device for a pier according to claim 5, wherein the shell has a water-dividing corner portion on an outer side thereof.
7. The collision avoidance device of any one of claims 1 to 6, wherein the connection assembly comprises:
the fixing base is arranged on the anti-collision body and provided with a first rotating shaft hole;
one end of the supporting arm is provided with a first through hole;
the first rotating shaft penetrates through the first rotating shaft hole and the first through hole and rotates around the first rotating shaft hole and the first through hole;
and the roller assembly is rotatably connected to the other end of the supporting arm.
8. The anti-collision device for a pier of claim 7, wherein the roller assembly comprises:
the roller body is provided with a second shaft hole;
the roller wheel supporting frame is connected to the other end of the supporting arm, and a second through hole is formed in the roller wheel supporting frame;
and the second rotating shaft penetrates through the second rotating shaft hole and the second through hole and rotates around the second rotating shaft hole and the second through hole.
9. The collision avoidance device of any one of claims 1 to 6, wherein the connection assembly comprises:
the bearing frame is fixedly arranged on the bridge pier;
the guide rail is fixedly arranged on the bearing frame;
the slide block is arranged on the anti-collision body and slides on the guide rail.
10. The anti-collision device for a bridge pier of claim 1, wherein the anti-collision body further comprises a shock absorption layer and/or an anti-corrosion layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021148217.4U CN212801422U (en) | 2020-06-19 | 2020-06-19 | Anti-collision device for bridge pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021148217.4U CN212801422U (en) | 2020-06-19 | 2020-06-19 | Anti-collision device for bridge pier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212801422U true CN212801422U (en) | 2021-03-26 |
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ID=75097431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021148217.4U Active CN212801422U (en) | 2020-06-19 | 2020-06-19 | Anti-collision device for bridge pier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212801422U (en) |
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2020
- 2020-06-19 CN CN202021148217.4U patent/CN212801422U/en active Active
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