CN211897812U - Anti-collision pier - Google Patents
Anti-collision pier Download PDFInfo
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- CN211897812U CN211897812U CN202020234220.1U CN202020234220U CN211897812U CN 211897812 U CN211897812 U CN 211897812U CN 202020234220 U CN202020234220 U CN 202020234220U CN 211897812 U CN211897812 U CN 211897812U
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- cylinder
- elastic connecting
- connecting plate
- main body
- pier
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- 230000035939 shock Effects 0.000 claims abstract description 31
- 239000006096 absorbing agent Substances 0.000 claims abstract description 25
- 238000013016 damping Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 4
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000011359 shock absorbing material Substances 0.000 description 1
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Abstract
The utility model discloses an anti-collision pier, which relates to the technical field of civil engineering and comprises a cylindrical pier main body and a shock absorber wrapped on the pier main body; the shock absorber comprises an inner layer cylinder sleeved on the pier main body and an outer layer cylinder sleeved on the inner layer cylinder; the outer layer cylinder is connected with the inner layer cylinder through a plurality of outer layer elastic connecting plates, and the area among the outer layer elastic connecting plates, the outer layer cylinder and the inner layer cylinder is filled with damping materials as an outer layer buffer area; the inner layer cylinder is connected with the pier main body through an inner layer elastic connecting plate, and the area among the inner layer cylinder, the inner layer elastic connecting plate and the pier main body is used as an inner layer buffer area; the outer cylinder, the inner cylinder and the pier main body are coaxially arranged, and the outer elastic connecting plate and the inner elastic connecting plate are uniformly arranged in the circumferential direction by taking the pier main body as a center. The invention can greatly improve the damping performance of the pier under the condition of not increasing the overall thickness of the damping body.
Description
Technical Field
The utility model relates to a civil engineering technical field particularly, relates to an anticollision pier.
Background
With the development and progress of social traffic, various large bridges are continuously built, and vehicle passages are reserved under the bridges on the bridge, so that the flow guide capacity of vehicles is greatly improved. However, as time goes on, the driving safety of vehicles under the bridge is found to be lower than that of vehicles on the bridge to a greater extent, because the vehicles under the bridge are interfered by the bridge piers during driving, a plurality of vehicles are easy to impact the bridge piers, and the speed of the vehicles is high in many times, so that accidents of vehicle destruction and human death often occur. In order to reduce the occurrence of the accidents, the anti-collision bridge pier is designed at present, the structure of the anti-collision bridge pier is that a part of the bridge pier, which is close to the ground, is wrapped with a shock absorber, and warning marks are sprayed on the outer side surface of the shock absorber. The occurrence of the anti-collision bridge pier reduces the occurrence of traffic accidents under the bridge to a certain extent and reduces the death rate of accidents.
The existing anti-collision bridge pier still needs to be improved, the common shock absorber cannot be too soft, otherwise, the shock absorber cannot play a role of really wrapping the hard bridge pier, so that some people propose to increase the wrapping thickness of the existing shock absorber, and although the accident death rate can be further reduced, the occupied road space is increased.
SUMMERY OF THE UTILITY MODEL
The utility model provides an anticollision pier, it can alleviate above-mentioned problem.
In order to alleviate the above-mentioned problem, the utility model discloses the technical scheme who takes as follows:
an anti-collision bridge pier comprises a cylindrical bridge pier main body and a shock absorber wrapped on the bridge pier main body;
the shock absorber comprises an inner-layer cylinder sleeved on the pier main body and an outer-layer cylinder sleeved on the inner-layer cylinder;
the outer-layer cylinder is connected with the inner-layer cylinder through a plurality of outer-layer elastic connecting plates, and the area among the outer-layer elastic connecting plates, the outer-layer cylinder and the inner-layer cylinder is filled with a damping material as an outer-layer buffer area;
the inner layer cylinder is connected with the pier main body through an inner layer elastic connecting plate, and the area among the inner layer cylinder, the inner layer elastic connecting plate and the pier main body is used as an inner layer buffer area;
the outer cylinder, the inner cylinder and the pier main body are coaxially arranged, and the outer elastic connecting plate and the inner elastic connecting plate are uniformly arranged in a circumferential direction by taking the pier main body as a center.
The technical effect of the technical scheme is as follows: when the vehicle strikeed into the shock absorber, the damping torque who uses the pier main part as the center can be produced to the great probability, has avoided indirect perpendicular striking on the shock absorber at to a great extent, compares with prior art, can be under the condition that does not increase the whole thickness of shock absorber, and great improvement pier's damping performance has both reduced accident mortality, also can not increase the road occupation space of shock absorber.
Further, the outer layer cylinder, the inner layer cylinder, the outer layer elastic connecting plate and the inner layer elastic connecting plate are all metal bodies.
The technical effect of the technical scheme is as follows: the metal material has high reliability and long service life, and can be made into cylindrical and plate structures, and has better elastic damping performance.
Furthermore, the thickness of the cylinder wall of the outer layer cylinder is 1cm, and the thickness of the cylinder wall of the inner layer cylinder is 1.5 cm; the outer layer elastic connecting plate is provided with 22 blocks, and the thickness of the plate is 0.5 cm; the inner layer elastic connecting plate has 26 blocks, and the plate thickness is 0.4 cm.
Furthermore, the outer layer elastic connecting plate and the outer layer cylinder, the outer layer elastic connecting plate and the inner layer cylinder and the inner layer elastic connecting plate are welded; the inner layer elastic connecting plate is fixed on the pier main body through an arc-shaped connecting plate and a bolt, the arc-shaped connecting plate is fixedly connected with the pier main body through the bolt, the outer arc surface of the arc-shaped connecting plate is welded with the inner layer elastic connecting plate, and the inner arc surface of the arc-shaped connecting plate is attached to the arc surface of the pier main body.
The technical effect of the technical scheme is as follows: the assembly mode is simple and reliable.
Furthermore, the outer layer elastic connecting plate and the inner layer elastic connecting plate are in a vertical state when not subjected to impact acting force.
The technical effect of the technical scheme is as follows: the shaping effect of the whole shock absorber is good, and the shock absorber has extremely high shock absorption performance when being impacted.
Furthermore, the outer cylinder surface of the outer cylinder is provided with a plurality of strip-shaped convex ribs.
The technical effect of the technical scheme is as follows: the design of the convex edge can increase the friction coefficient of the outer cylinder surface of the outer cylinder and reduce the slip degree when the vehicle is impacted.
Furthermore, the upper end of the shock absorber is provided with an upper cover plate, the lower end of the shock absorber is provided with a lower cover plate, and the upper cover plate and the lower cover plate are both annular plates sleeved on the pier main body.
The technical effect of the technical scheme is as follows: so that the whole shock absorber can form a whole and the internal structure is easy to assemble.
Furthermore, gaps of 2mm are reserved between the upper cover plate and the pier main body and between the lower cover plate and the pier main body.
Furthermore, the outer-layer cylinder and the inner-layer cylinder are both provided with screw holes, and the cover plate is fixedly connected with the outer-layer cylinder and the inner-layer cylinder through screws matched with the screw holes.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic diagram of a main structure of a collision avoidance pier according to an embodiment;
FIG. 2 is a top partial sectional structural schematic view of the anti-collision bridge pier in the embodiment;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
in the figure: 1-pier main body, 2-outer layer cylinder, 3-convex edge, 4-upper cover plate, 5-lower cover plate, 6-shock-absorbing material, 7-outer layer elastic connecting plate, 8-inner layer elastic connecting plate, 9-inner layer cylinder, 10-screw, 11-screw hole, 12-arc connecting plate and 13-bolt.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
Referring to fig. 1, 2 and 3, the embodiment provides an anti-collision pier, including a cylindrical pier main body 1 and a shock absorber wrapped around the pier main body 1; the shock absorber comprises an inner layer cylinder 9 sleeved on the pier main body 1 and an outer layer cylinder 2 sleeved on the inner layer cylinder 9; the outer-layer cylinder 2 is connected with the inner-layer cylinder 9 through a plurality of outer-layer elastic connecting plates 7, and the area among the outer-layer elastic connecting plates 7, the outer-layer cylinder 2 and the inner-layer cylinder 9 is filled with a damping material 6 as an outer-layer buffer area; the inner layer cylinder 9 is connected with the pier main body 1 through an inner layer elastic connecting plate 8, and the area among the inner layer cylinder 9, the inner layer elastic connecting plate 8 and the pier main body 1 is used as an inner layer buffer area; the outer cylinder 2, the inner cylinder 9 and the pier main body 1 are coaxially arranged, and the outer elastic connecting plate 7 and the inner elastic connecting plate 8 are uniformly arranged in a circumferential direction by taking the pier main body 1 as a center.
In this embodiment, the outer layer cylinder 2, the inner layer cylinder 9, the outer layer elastic connecting plate 7, and the inner layer elastic connecting plate 8 are all metal bodies.
In this embodiment, the thickness of the wall of the outer layer cylinder 2 is 1cm, and the thickness of the wall of the inner layer cylinder 9 is 1.5 cm; the outer layer elastic connecting plate 7 is provided with 22 blocks, and the thickness of the plate is 0.5 cm; the inner layer elastic connecting plate 8 has 26 blocks, and the thickness of the plate is 0.4 cm.
In the embodiment, the outer layer elastic connecting plate 7 and the outer layer cylinder 2, the outer layer elastic connecting plate 7 and the inner layer cylinder 9, and the inner layer cylinder 9 and the inner layer elastic connecting plate 8 are welded; inner elastic connecting plate 8 is fixed in pier main part 1 through arc connecting plate 12 and bolt 13, and arc connecting plate 12 passes through bolt 13 and pier main part 1 fixed connection, and its extrados welds with inner elastic connecting plate 8, and its intrados laminates in the cambered surface of pier main part 1.
In this embodiment, the outer-layer elastic connecting plate 7 and the inner-layer elastic connecting plate 8 are both in a vertical state when not subjected to impact force.
In the present embodiment, the outer cylindrical surface of the outer cylinder 2 is provided with a plurality of strip-shaped ribs 3.
In this embodiment, the upper end of the shock absorber is provided with an upper cover plate 4, the lower end of the shock absorber is provided with a lower cover plate 5, and the upper cover plate 4 and the lower cover plate 5 are both annular plates sleeved on the pier main body 1.
In the present embodiment, gaps of 2mm are left between the upper cover plate 4 and the pier body 1, and between the lower cover plate 5 and the pier body 1.
In this embodiment, the outer cylinder 2 and the inner cylinder 9 are both provided with screw holes 11, and the cover plate is fixedly connected with the outer cylinder 2 and the inner cylinder 9 through screws 10 matched with the screw holes 11.
The working principle of the anti-collision pier in the embodiment is as follows:
when the vehicle collides against the bridge pier, the vehicle obliquely collides against the shock absorber with a great probability;
under the action of the rib 3, the vehicle is not easy to slip when colliding against the outer layer cylinder 2, and the situation of complete runaway occurs;
an oblique impact force of the vehicle on the outer layer cylinder 2 is generated under the action of the outer layer elastic connecting plate 7 and the inner layer elastic connecting plate 8, an elastic resisting moment which is centered on a pier and is specific to the vehicle is generated, when the bending deformation of each elastic connecting plate is increased in the impact process, the elastic resisting moment is also larger along with the increase of the deformation of each elastic connecting plate, and due to the annular layout, the shock absorption distance is larger, and the shock absorption effect on the vehicle is very good;
through above-mentioned shock attenuation process, reduction vehicle damage degree that can be great reduces the possibility of casualties in the vehicle.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An anti-collision bridge pier comprises a cylindrical bridge pier main body and a shock absorber wrapped on the bridge pier main body, and is characterized in that,
the shock absorber comprises an inner-layer cylinder sleeved on the pier main body and an outer-layer cylinder sleeved on the inner-layer cylinder;
the outer-layer cylinder is connected with the inner-layer cylinder through a plurality of outer-layer elastic connecting plates, and the area among the outer-layer elastic connecting plates, the outer-layer cylinder and the inner-layer cylinder is filled with a damping material as an outer-layer buffer area;
the inner layer cylinder is connected with the pier main body through an inner layer elastic connecting plate, and the area among the inner layer cylinder, the inner layer elastic connecting plate and the pier main body is used as an inner layer buffer area;
the outer cylinder, the inner cylinder and the pier main body are coaxially arranged, and the outer elastic connecting plate and the inner elastic connecting plate are uniformly arranged in a circumferential direction by taking the pier main body as a center.
2. The anti-collision pier according to claim 1, wherein the outer cylinder, the inner cylinder, the outer elastic connecting plate and the inner elastic connecting plate are all metal bodies.
3. The anticollision bridge pier according to claim 2, characterized in that the wall thickness of the outer layer cylinder is 1cm, and the wall thickness of the inner layer cylinder is 1.5 cm; the outer layer elastic connecting plate is provided with 22 blocks, and the thickness of the plate is 0.5 cm; the inner layer elastic connecting plate has 26 blocks, and the plate thickness is 0.4 cm.
4. The anti-collision pier according to claim 3, wherein the outer elastic connecting plate and the outer cylinder, the outer elastic connecting plate and the inner cylinder, and the inner cylinder and the inner elastic connecting plate are welded together; the inner layer elastic connecting plate is fixed on the pier main body through an arc-shaped connecting plate and a bolt, the arc-shaped connecting plate is fixedly connected with the pier main body through the bolt, the outer arc surface of the arc-shaped connecting plate is welded with the inner layer elastic connecting plate, and the inner arc surface of the arc-shaped connecting plate is attached to the arc surface of the pier main body.
5. The anti-collision pier according to claim 1, wherein the outer-layer elastic connecting plates and the inner-layer elastic connecting plates are vertical when not subjected to collision acting force.
6. The anticollision bridge pier according to claim 1, characterized in that the outer cylindrical surface of the outer cylinder is provided with a plurality of strip-shaped convex ridges.
7. The anti-collision bridge pier according to claim 1, wherein an upper cover plate is arranged at the upper end of the shock absorption body, a lower cover plate is arranged at the lower end of the shock absorption body, and the upper cover plate and the lower cover plate are both annular plates sleeved on the pier main body.
8. The anticollision bridge pier of claim 7, characterized in that 2 mm's clearance is left between the upper cover plate and the pier main body, between the lower cover plate and the pier main body.
9. The anti-collision pier according to claim 8, wherein the outer cylinder and the inner cylinder are provided with screw holes, and the cover plate is fixedly connected with the outer cylinder and the inner cylinder through screws matched with the screw holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020234220.1U CN211897812U (en) | 2020-03-02 | 2020-03-02 | Anti-collision pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020234220.1U CN211897812U (en) | 2020-03-02 | 2020-03-02 | Anti-collision pier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211897812U true CN211897812U (en) | 2020-11-10 |
Family
ID=73301505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020234220.1U Expired - Fee Related CN211897812U (en) | 2020-03-02 | 2020-03-02 | Anti-collision pier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211897812U (en) |
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2020
- 2020-03-02 CN CN202020234220.1U patent/CN211897812U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201110 |