CN213086547U - Anti-collision device for bridge pier - Google Patents
Anti-collision device for bridge pier Download PDFInfo
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- CN213086547U CN213086547U CN202021147699.1U CN202021147699U CN213086547U CN 213086547 U CN213086547 U CN 213086547U CN 202021147699 U CN202021147699 U CN 202021147699U CN 213086547 U CN213086547 U CN 213086547U
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- energy dissipation
- energy
- dissipation rib
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- rib
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Abstract
The utility model provides an anti-collision device of pier, it includes: a shell filled with a foam material, the shell being arranged along a periphery of the pier; a plurality of energy-dissipating ribs arranged in the housing and located inside the foamed material and/or on a surface of the foamed material, wherein at least one of the plurality of energy-dissipating ribs is arranged in an inclined manner, and the plurality of energy-dissipating ribs form a mutually staggered net-shaped structure; a plurality of energy dissipating columns disposed on the housing; and the connecting assembly is arranged on the shell, and the shell is connected with the pier through the connecting assembly. The utility model provides an anti-collision device can effectively absorb the striking kinetic energy of rammer, has avoided or has greatly reduced on the impact acts on to the pier, can fully protect the pier, reduces the damage to the bridge pier.
Description
Technical Field
The utility model belongs to the technical field of the bridge, concretely relates to collision preventing device of pier.
Background
Since bridge collision accidents occur all over the world, it is necessary to take anti-collision measures to prevent the bridge from structural damage caused by the collision of the bridge with the collision objects, such as ships and vehicles, and to protect the ships and vehicles in the coming and going as much as possible, thereby greatly reducing the damage.
At present, the anti-collision devices arranged around the bridge pier are generally adopted in the protective devices of the existing bridge piers, energy dissipation ribs are arranged on the anti-collision devices, the anti-collision devices are often designed into criss-cross rib section structures, so that the stability of the anti-collision devices is maintained in the impact process of an impacting object, the kinetic energy generated by the impacting is consumed, but the building mode of the energy dissipation ribs can only consume a small part of the kinetic energy, and the rest of the impact force can be directly transmitted to the bridge pier. In addition, the anti-collision devices on the market at present are lack of shock-absorbing layers and/or anticorrosive layers, are easily corroded by some corrosive substances in water bodies, and further influence the bridge piers.
Therefore, it is necessary to design and manufacture a new anti-collision device for a bridge pier, so as to solve the problem that the existing anti-collision device consumes insufficient impact kinetic energy of an impactor, 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, anti collision device consumes the striking kinetic energy of rammer not enough, the potential safety hazard is big, the big problem of accidental damage degree.
In order to realize above-mentioned purpose and other relevant purposes, the utility model provides an anti collision device of pier, anti collision device includes: a shell filled with a foam material, the shell being arranged along a periphery of the pier; a plurality of energy-dissipating ribs arranged in the housing and located inside the foamed material and/or on a surface of the foamed material, wherein at least one of the plurality of energy-dissipating ribs is arranged in an inclined manner, and the plurality of energy-dissipating ribs form a mutually staggered net-shaped structure; a plurality of energy dissipating columns disposed on the housing; and the connecting assembly is arranged on the shell, and the shell is connected with the pier through the connecting assembly.
In one embodiment, the housing is an annular housing.
In one embodiment, the housing has a water-dividing corner on the outside.
In one embodiment, the foamed material has a closed cell structure with a cell size of 1-10 mm.
In an embodiment, the plurality of energy dissipating ribs comprises: a first energy dissipating rib; the second energy dissipation rib is parallel to the first energy dissipation rib, and the length of the second energy dissipation rib is greater than or equal to 0; a third energy dissipating rib parallel to the second energy dissipating rib; a fourth energy dissipation rib obliquely arranged between the first energy dissipation rib and the second energy dissipation rib, one end of the fourth energy dissipation rib being connected with the first energy dissipation rib, and the other end thereof being connected with the second energy dissipation rib; one end of the fifth energy dissipation rib is connected with the second energy dissipation rib, and the other end of the fifth energy dissipation rib is connected with the third energy dissipation rib; one end of the sixth energy dissipation rib is connected with the first energy dissipation rib, and the other end of the sixth energy dissipation rib is connected with the second energy dissipation rib; and one end of the seventh energy dissipation rib is connected with the second energy dissipation rib, and the other end of the seventh energy dissipation rib is connected with the third energy dissipation rib.
In one embodiment, the length of the second dissipater rib is equal to 0.
In one embodiment, the energy dissipation column has a cross-sectional area of 12cm or more2Less than or equal to 50cm2The solid plastic part.
In an embodiment, the connecting assembly is a connecting plate, and the connecting plate is connected with the shell and the pier respectively through fastening bolts.
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; 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; the roller body is provided with a second shaft hole; 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 shell further comprises a shock absorption layer and/or an anticorrosive layer.
As above, according to the utility model provides an anti collision device of pier the intussuseption expanded material is filled in anti collision device's the casing to arrange a plurality of energy dissipation ribs on expanded material's surface and inside, at least one among these a plurality of energy dissipation ribs is the slope and arranges, a plurality of energy dissipation ribs constitute crisscross network structure each other, utilize the direction of the direction that produces when the oblique rib changes the impact thing striking, thereby further consume kinetic energy, avoided or greatly reduced the impact effect to the pier on, can fully protect the pier, reduce the damage to the bridge pier. 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 sectional view of the structure of FIG. 1 taken along the line A-A.
Figure 3 shows a schematic view of an embodiment of the energy dissipating ribs of figure 2.
Figure 4 shows a schematic view of another embodiment of the energy dissipating ribs.
Fig. 5 is a schematic structural view of another embodiment of the connecting assembly of the anti-collision device according to the present invention.
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.
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.
As shown in fig. 1 and 2, the utility model provides an anti-collision device for a bridge pier, which comprises a shell 11, a foaming material 12 filled in the shell 11, an energy dissipation rib 13, an energy dissipation column 14 and a connecting component 15.
As shown in fig. 1, the housing 11 is a plastic material made of, for example, a composite material such as a fiber-reinforced resin or a metal-reinforced resin, specifically, glass fiber, carbon fiber, aramid fiber, or a mixed fiber, the resin is a polyester resin, a meta-benzene resin, an o-benzene resin, a vinyl resin, an epoxy resin, or a bisphenol a type resin, and the metal is steel. The housing 11 is a plastic member capable of being opened and closed, and has a through hole inside so as to be fitted over the pier 16, the shape of the through hole inside the housing 11 may be adjusted according to the shape of the pier 16, such as a circle, a square, or another different shape, the shape of the outside of the housing 11 is not particularly limited, and may be a circle, a square, or another different shape, and in another embodiment, for the pier standing in water, the outside of the housing 11 may further have a water diversion corner portion from the viewpoint of diversion, and further, a plurality of water diversion corner portions may be provided according to the flow direction of water flow.
It should be noted that, depending on the application of the anti-collision device, a rubber material or an inflatable material may be formed on the surface of the housing 11 to form a shock absorbing layer for the anti-collision device for protecting the pier 16 standing in water. 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, so as to improve the shock absorbing performance and the corrosion resistance.
As shown in fig. 2, the foam 12 is filled in the shell 11, the foam 12 is, for example, a polyurethane foam, the foam has a closed cell structure with a cell diameter of, for example, 1 to 10mm, for example, 5mm, 6mm, or 8mm, and the cell diameter in the above range is desirable for the polyurethane foam to have energy absorption capability, i.e., excellent cushioning property, and can sufficiently reduce the impact of an impactor on the pier 16. 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.
As shown in fig. 2, energy dissipating ribs 13 are provided in the housing 11, specifically, the energy dissipating ribs 13 are arranged inside the foaming material 12, for example, interlaced through the interior of the foam material 12, the dissipater ribs 13 may also be arranged on the surface of the foam material 12, for example between the foamed material 12 and the shell 11, the dissipator ribs 13 comprise a plurality, for example 4, 6, 7, 9, 10, 20 etc., at least one of which is arranged obliquely so as to be connected with each other, such as welded and staggered to form a net-shaped structure, the utility model utilizes the obliquely arranged ribs to change the direction of force generated when the striker impacts, thereby further dissipating the kinetic energy, avoiding or greatly reducing the impact force acting on the pier 16, the bridge pier 16 can be fully protected, and the force generated by the impact of the impacting object consumed by the damage to the bridge pier 16 can be reduced.
As shown in fig. 2 and 3, the energy dissipation ribs 13 are composed of a first energy dissipation rib 131, a second energy dissipation rib 132, a third energy dissipation rib 133, a fourth energy dissipation rib 134, a fifth energy dissipation rib 135, a sixth energy dissipation rib 136, and a seventh energy dissipation rib 137. The first, second, and third energy dissipating ribs 131, 132, and 133 are parallel to each other and connected to each other by fourth, fifth, sixth, and seventh energy dissipating ribs 134, 135, 136, 137, the fourth, fifth, sixth, and seventh energy dissipating ribs 134, 135, 136, and 137 are arranged obliquely, specifically, for example, one end 134a of the fourth energy dissipating rib 134 is connected to the first end 131a of the first energy dissipating rib 131, the other end 134b is connected to the first end 132a of the second energy dissipating rib 132, one end 135a of the fifth energy dissipating rib 135 is connected to the first end 132a of the second energy dissipating rib 132, the other end 135b is connected to the first end 133a of the third energy dissipating rib 133, one end 136a of the sixth energy dissipating rib 136 is connected to the second end 131b of the first energy dissipating rib 131, the other end 136b is connected to the second end 132b of the second energy dissipating rib 132, one end 137a of the seventh energy dissipation rib 137 is connected to the second end 132b of the second energy dissipation rib 132, and the other end 137b is connected to the second end 133b of the third energy dissipation rib 133, so that the plurality of energy dissipation ribs 13 form a polygonal crossing network structure, and the lengths of the first energy dissipation rib 131, the second energy dissipation rib 132, and the third energy dissipation rib 133 may be the same or different, and the shape of the polygonal crossing network structure may be changed, and the structure not only stabilizes the stability of the foamed material in the shell 11, but also varies the direction of the impact force of the striker by connecting the obliquely arranged fourth energy dissipation rib 134, the fifth energy dissipation rib 135, the sixth energy dissipation rib 136, and the seventh energy dissipation rib 137 to each other. The dissipater ribs 13 may include one set, but may include more sets, in the housing 11, so as to function by mutual balance between the sets, and are not limited thereto.
As shown in fig. 4, in another embodiment of the present disclosure, another energy dissipation rib 23 is shown, the energy dissipation rib 23 is composed of a first energy dissipation rib 231, a second energy dissipation rib 232, a third energy dissipation rib 233, a fourth energy dissipation rib 234, a fifth energy dissipation rib 235, and a sixth energy dissipation rib 236, the first energy dissipation rib 231, the second energy dissipation rib 232 are parallel to each other and connected to each other by the third energy dissipation rib 233, the fourth energy dissipation rib 234, the fifth energy dissipation rib 235, and the sixth energy dissipation rib 236 are obliquely arranged, unlike the above-mentioned embodiment, the length of the second energy dissipation rib 132 in the above-mentioned embodiment is defined as 0, so that a plurality of three-side crossing network structures can be obtained, and further, from the viewpoint of enhancing the collision protection effect based on the force generated at the time of the dispersion impact, the angles between the first and third energy dissipating ribs 231 and 233, between the first and fifth energy dissipating ribs 231 and 235, between the second and fourth energy dissipating ribs 232 and 234, and between the second and sixth energy dissipating ribs 232 and 236 are in the range of 20 to 60 degrees, and further in the range of 30 to 45 degrees, for example, 30 degrees, 35 degrees, 40 degrees, and 45 degrees.
As shown in fig. 1, the collision avoidance apparatus further includes energy dissipating columns 14, the energy dissipating columns 14 being disposed, for example, vertically inside the hull 11 with their axes parallel to the axis of, for example, the pier 16. The energy dissipation columns 14 may be provided in a plurality of groups, for example, 2 groups, 4 groups, 6 groups, etc., which are uniformly arranged along the inner side of the housing 11, and the energy dissipation columns 14 may be, for example, cylindrical, semi-cylindrical, or prismoid columns having a cross-sectional area of 10cm or more2Less than or equal to 60cm2E.g. 10cm2、15cm2、20cm2、50cm2、55cm2The strength of the energy-dissipating columns 14 is 10MPA or more and 500MPA or less, for example, 80MPA or 100MPA, and the energy-dissipating columns 14 are within the above range, and when the energy-dissipating columns 14 are impacted, the energy-dissipating columns 14 generateThe impact force is generated for compression deformation, the kinetic energy of the impact object is further consumed, the impact force is reduced, the pier 16 is protected, and the damage to the bridge and the impact object is reduced. The energy dissipation columns 14 are made of, for example, a solid material, such as a fiber-reinforced resin material, but not limited thereto.
As shown in fig. 1, the anti-collision device further includes a connection assembly 15, the connection assembly 15 is disposed on the shell 11, and the connection assembly 15 may be provided in a plurality of groups, for example, 2 groups, 4 groups, 6 groups, etc., which are respectively disposed along the inner side of the shell 11, so that the anti-collision device can be uniformly stabilized on the pier 16 and detachably connected to the pier 16. In a specific embodiment of the present disclosure, the connection assembly 15 is, for example, a connection plate, and the connection plate is fastened to the housing 11 and the pier 16 respectively, for example, by bolts (not shown in the figure), so that the anti-collision device is stably connected to the pier 16 without shaking along with the change of the external environment.
As shown in fig. 5, in another embodiment of the present disclosure, another connecting assembly 25 is shown, which includes a fixing base 251, a first rotating shaft 252, a supporting arm 253, and a roller assembly 254.
As shown in fig. 5, the fixing base 251 is, for example, fixedly disposed inside the housing 11, the fixing base 251 is semi-cylindrical and has a first shaft hole, and the first rotating shaft 252 passes through the first shaft hole and is stabilized on the fixing base 251. The supporting arm 253 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 252, so that the supporting arm 253 can freely rotate around the first rotating shaft 252, and the other end of the supporting arm 253 is fixedly connected to the roller assembly 254, so that the supporting arm 253 can move along with the rolling of the roller assembly 254.
As shown in fig. 5, the roller assembly 254 includes a roller support frame, a roller body, and a second rotating shaft, an arc-shaped groove is provided in the middle of the roller support frame, support plates are respectively provided on two sides of the arc-shaped groove in a protruding manner, through holes are provided in the two support plates, a part of the roller body is located in the arc-shaped groove, and the other part is attached to the pier 16, along the surface rolling of the pier 16, a second shaft hole is provided in the roller body, and the second rotating shaft passes through the second shaft hole and the through holes of the support plates of the roller support frame, so that the roller support frame and the roller body can rotate freely around the second rotating shaft. Of course, this is merely a specific embodiment of the connecting assembly 15, and in other embodiments, the connecting assembly 15 may also be a sliding rail assembly, for example, including: the collision avoidance system includes a bearing frame fixedly installed on the pier 16, a guide rail fixedly installed on the bearing frame, and a slider installed on the housing 11, the slider being slidable on the guide rail so that the collision avoidance system slides up and down along the surface of the pier 16, but is not limited thereto. The anti-collision device can move up and down along the surface of the pier 16 along with the change of the external environment through the connecting assembly 15, and particularly adapts to the change generated when the water level rises and falls.
When carrying out the crashproof operation, open 11 duplex winding of casing arrange around on the pier 16, will the utility model discloses an anti-collision device cover establishes on pier 16, protects pier 16. When the impact thing strikes pier 16, buffer stop absorbs the impact of impact thing to decompose this impact, absorb a large amount of kinetic energy of its production, avoid or reduce impact effect to pier 16 on to a very big degree, lead to bridge pier 16's damage.
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, vehicle etc. moreover, buffer layer and anticorrosive coating have still been added to anti collision device's anticollision body, to the pier of standing in the aquatic, can avoid the corruption of corrosive substance in the water to anti collision device, improved anticollision effect and rate of utilization. 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:
a shell filled with a foam material, the shell being arranged along a periphery of the pier;
a plurality of energy-dissipating ribs arranged in the housing and located inside the foamed material and/or on a surface of the foamed material, wherein at least one of the plurality of energy-dissipating ribs is arranged in an inclined manner, and the plurality of energy-dissipating ribs form a mutually staggered net-shaped structure;
a plurality of energy dissipating columns disposed on the housing;
and the connecting assembly is arranged on the shell, and the shell is connected with the pier through the connecting assembly.
2. The collision avoidance device for a pier according to claim 1, wherein the shell is an annular shell.
3. The anti-collision device for a pier according to claim 1, wherein the shell has a water-dividing corner portion on an outer side.
4. The anti-collision device for a pier according to claim 1, wherein the foam has a closed cell structure having a cell diameter of 1 to 10 mm.
5. The collision avoidance device for a pier according to any one of claims 1 to 4, wherein the plurality of energy dissipating ribs comprise:
a first energy dissipating rib;
the second energy dissipation rib is parallel to the first energy dissipation rib, and the length of the second energy dissipation rib is greater than or equal to 0;
a third energy dissipating rib parallel to the second energy dissipating rib;
a fourth energy dissipation rib obliquely arranged between the first energy dissipation rib and the second energy dissipation rib, one end of the fourth energy dissipation rib being connected with the first energy dissipation rib, and the other end thereof being connected with the second energy dissipation rib;
one end of the fifth energy dissipation rib is connected with the second energy dissipation rib, and the other end of the fifth energy dissipation rib is connected with the third energy dissipation rib;
one end of the sixth energy dissipation rib is connected with the first energy dissipation rib, and the other end of the sixth energy dissipation rib is connected with the second energy dissipation rib;
and one end of the seventh energy dissipation rib is connected with the second energy dissipation rib, and the other end of the seventh energy dissipation rib is connected with the third energy dissipation rib.
6. The anti-collision device for a pier of claim 5, wherein the length of the second energy dissipating rib is equal to 0.
7. An anti-collision device for a pier according to claim 1, wherein the energy-dissipating columns have a cross-sectional area of 12cm or more2Less than or equal to 50cm2The solid plastic part.
8. The anti-collision device for a bridge pier of claim 1, wherein the connection members are connection plates, and the connection plates are connected to the shell and the bridge pier respectively by fastening bolts.
9. The anti-collision device for a pier of claim 1, 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;
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;
the roller body is provided with a second shaft hole;
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.
10. The anti-collision device for a bridge pier of claim 1, wherein the shell further comprises a shock-absorbing layer and/or an anti-corrosion layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021147699.1U CN213086547U (en) | 2020-06-19 | 2020-06-19 | Anti-collision device for bridge pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021147699.1U CN213086547U (en) | 2020-06-19 | 2020-06-19 | Anti-collision device for bridge pier |
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| Publication Number | Publication Date |
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| CN213086547U true CN213086547U (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021147699.1U Active CN213086547U (en) | 2020-06-19 | 2020-06-19 | Anti-collision device for bridge pier |
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| CN (1) | CN213086547U (en) |
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