CN220847301U - Guiding type pier anti-collision device - Google Patents
Guiding type pier anti-collision device Download PDFInfo
- Publication number
- CN220847301U CN220847301U CN202322719573.7U CN202322719573U CN220847301U CN 220847301 U CN220847301 U CN 220847301U CN 202322719573 U CN202322719573 U CN 202322719573U CN 220847301 U CN220847301 U CN 220847301U
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- China
- Prior art keywords
- rigid shaft
- rubber
- locking
- collision preventing
- rubber coating
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- 238000010073 coating (rubber) Methods 0.000 claims abstract description 29
- 229920001971 elastomer Polymers 0.000 claims abstract description 15
- 238000005253 cladding Methods 0.000 claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 11
- 239000010959 steel Substances 0.000 abstract description 11
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 abstract 2
- 238000000429 assembly Methods 0.000 abstract 2
- 230000009471 action Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000002131 composite material Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 229920003225 polyurethane elastomer Polymers 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to the technical field of highway facilities, in particular to a guiding type bridge pier collision preventing device which comprises two steel cables arranged on the periphery of a bridge pier, wherein a plurality of rubber cladding bodies are arranged between the two steel cables, each rubber cladding body is a hollow cylinder, a filling body is arranged in each rubber cladding body, a rigid shaft is arranged on the inner side of each rubber cladding body in a penetrating mode, two ends of each rigid shaft are connected in series with the corresponding steel cable through locking assemblies, clamping rings are arranged on the outer sides of the corresponding steel cables on two sides of the corresponding locking assemblies, and each locking assembly comprises connecting pieces connected to the two ends of the corresponding rigid shaft. According to the guiding type bridge pier collision preventing device, after the rubber coating body collides, the damaged rubber coating body can be reused only by being replaced, so that the economic cost is greatly saved. The device is reasonable in structure, maintenance-free, flexible and changeable in shape, and standardized production can be realized according to different anti-collision requirements, so that the device has a series of advantages of short construction period, low maintenance cost and the like.
Description
Technical Field
The utility model relates to the technical field of highway facilities, in particular to a guiding type pier collision preventing device.
Background
With the vigorous development of traffic industry in China, a plurality of bridges such as overpasses are more and more, and various traffic accident hidden dangers are brought while the traffic pressure is relieved, for example, the tragic cases that automobiles running at high speed collide with bridge piers are not rare. Therefore, the research on the bridge pier collision prevention device is significant and necessary.
At present, most of the mainstream collision avoidance devices in China are elastic deformation collision avoidance facilities and crush deformation collision avoidance facilities. The basic principle is that the bridge is protected by absorbing energy through elastic material deformation generated by the contact of the anti-collision device and the vehicle, the damage of bone materials such as steel plates and the like, thereby playing a role of buffering. The flexible attaching energy dissipation device is commonly used, the energy dissipation facility absorbs energy by utilizing materials such as steel plastic deformation and breakage and filled rubber, when an automobile collides with the anti-collision device, an anti-collision structural steel plate is greatly deformed, part of collision energy is absorbed, the contact time is prolonged, the peak value of the collision force is reduced, and meanwhile, the anti-collision device is not fixed and can freely rotate due to structural deformation and interaction, so that the direction of a vehicle head is stirred, and the energy exchange between the vehicle and the structure is reduced. However, the conventional anti-collision device is designed and installed according to multiple factors such as the position, the shape, the traffic flow, the surrounding environment conditions and the like of the bridge pier. Therefore, the bridge anti-collision device in the present stage must be customized according to the specific conditions of the corresponding bridge, and the device is mostly welded on the base directly, so that a series of defects such as high manufacturing cost, high maintenance cost and high maintenance cost are brought, and the design and production often consume more time, and more time cost is increased in an intangible way.
Disclosure of utility model
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a device is hit in collision preventing of direction formula pier, includes two cables that the pier periphery set up, is provided with a plurality of rubber cladding body between two cables, and the rubber cladding body is hollow cylinder, the inside of rubber cladding body is provided with the obturator, the rigidity axle is worn to be equipped with in the inboard of rubber cladding body, and the both ends of rigidity axle are established ties on the cable through locking assembly, the outside of cable is located the both sides of locking assembly and all is provided with the snap ring.
Further, the locking assembly comprises connecting pieces connected to two ends of the rigid shaft, through holes are formed between the connecting pieces and the rigid shaft, grooves communicated with the through holes are formed in the top and the bottom of the rigid shaft, and locking heads are connected to the inner sides of the connecting pieces.
Further, the inside of locking head is formed with the cavity, and the inside of cavity is provided with spring and dog, and the bottom of dog is fixed with the lower pressure post of wearing to establish on the locking head, lower pressure post and recess assorted.
Further, two bearings are installed on the inner side of the rubber cladding body, the rigid shaft penetrates through the inner side of the bearings, and a limiting ring is sleeved on the outer side of the rigid shaft.
Further, the outer side of the rubber coating body is provided with anti-skid patterns and a plurality of rows of reflective strips.
Further, the filling body is of a five-mode lattice annular structure.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
According to the guiding type bridge pier collision preventing device, after the rubber coating body collides, the damaged rubber coating body can be reused only by being replaced, so that the economic cost is greatly saved. The device is reasonable in structure, maintenance-free, flexible and changeable in shape, and standardized production can be realized according to different anti-collision requirements, so that the device has a series of advantages of short construction period, low maintenance cost and the like.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a partial three-dimensional view of the cable attachment structure of the present utility model;
FIG. 3 is a three-dimensional view of a rubber cladding attachment structure of the present utility model;
FIG. 4 is a front cross-sectional view of FIG. 3 of the present utility model;
FIG. 5 is a top cross-sectional view of FIG. 3 of the present utility model;
FIG. 6 is a front cross-sectional view of the locking head attachment structure of the present utility model;
FIG. 7 is a schematic view of the structure of the packing body according to the present utility model.
In the figure: 1. a wire rope; 2. a rubber coating; 3. anti-skid lines; 4. a reflective strip; 5. a bearing; 6. a rigid shaft; 7. a limiting ring; 8. a connecting piece; 9. a locking head; 10. a filler; 11. a cavity; 12. a spring; 13. a stop block; 14. pressing down a column; 15. and a clasp.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, a guiding bridge pier collision preventing device in this embodiment includes two steel cables 1 disposed at the periphery of the bridge pier, a plurality of rubber coating bodies 2 are disposed between the two steel cables 1, the rubber coating bodies 2 are made of polyurethane rubber, the rubber coating bodies 2 are hollow cylinders, a filling body 10 is disposed in the rubber coating bodies 2, a rigid shaft 6 is disposed on the inner side of the rubber coating bodies 2 in a penetrating manner, two ends of the rigid shaft 6 are connected in series with the steel cables 1 through locking components, and two sides of the locking components are disposed on the outer sides of the steel cables 1.
In the structure, the rubber coating body which is damaged or needs to be replaced can be conveniently removed through the locking assembly, so that the rubber coating body can be flexibly applied to different piers, and meanwhile, the rubber coating body can be positioned under the action of the clamping ring, so that the plurality of rubber coating bodies can be ensured to be arranged at a spacing distance of 600mm, and the polyurethane rubber material has excellent wear resistance and fatigue resistance and can be used for a long time under repeated loading without failure; the anti-collision unit has good weather and oxidation stability and strong ultraviolet radiation and oxidation capability, and can be used outdoors and in severe environments for a long time without being damaged naturally.
As shown in fig. 4 and 5, the filling body 10 is a five-mode lattice annular structure, the five-mode lattice annular structure is made of reinforced fiber composite material, the five-mode lattice annular structure is formed by closely arranging a plurality of cell structures, the cell structures are honeycomb structure cells, cell parameters are specially designed, the five-mode lattice annular structure has the characteristic of rigidity anisotropy by changing the cell structures, and the dredging stress propagates along a preset direction, wherein the cell structures are sequentially arranged from an inner layer to an outer layer and gradually decrease from the outer layer to the inner layer. The five-mode lattice annular structure is a metamaterial with fluid property, and cell structures adopted by the five-mode lattice annular structure can be specially designed to dredge impact stress waves along the tangential direction of a circular ring, so that the influence of impact on a bridge pier is reduced. By the design, the propagation path of the impact stress wave in the five-mode lattice annular structure is different from that of a conventional annular structure, and the impact action received by the impact surface of the inner ring can be effectively reduced.
The five-mode lattice annular structure is made of reinforced fiber composite materials, has good impact resistance, has certain strength when being damaged and deformed, and prolongs the service life of the device. And compared with the steel material, the reinforced fiber composite material still has good protective performance, and the material is lighter in weight and better in ductility, and can dredge the impact force of a vehicle to the bridge pier.
In addition, the cell parameters of the five-mode lattice ring structure unit are shown in fig. 7, and h is the length of the cell vertical rod; l is the cell diagonal length; θ is a cell topological angle, the five-mode lattice annular structure sequentially comprises 13 layers of cells from an inner layer to an outer layer, the cell h of the outermost layer is 3.5mm, l is 7mm, θ is 65 degrees, the cell h of the innermost layer is 1mm, l is 3.5mm, θ is 75 degrees, the parameters of the middle cells sequentially increase, and the wall thickness of the five-mode lattice annular structure is 10mm.
In order to improve the fastness of location, locking subassembly includes connecting piece 8 that threaded connection is at rigid shaft 6 both ends, has all seted up the through-hole between connecting piece 8 and the rigid shaft 6, the recess that is linked together with the through-hole is all seted up at the top and the bottom of rigid shaft 6, the inboard of connecting piece 8 is connected with locking head 9. Through locking head and connecting piece threaded connection, the protruding head of locking head can extend to the recess simultaneously and play to push down fixedly to the cable wire, play the location to the rubber coating body.
Wherein, the inside of locking head 9 is formed with cavity 11, and the inside of cavity 11 is provided with spring 12 and dog 13, and dog 13 is located the below of spring 12, and the bottom of dog 13 is fixed with the lower pressure post 14 of wearing to establish on locking head 9, lower pressure post 14 and recess phase-match. Screw into the connecting piece through the locking head, wherein push down the post and can extend to in the recess, the locking head lasts under the condition of screwing in, push down the post and can extrude the spring through the dog, simultaneously under the effect of the elasticity thrust of spring, can improve the down pressure of push down the post to the cable wire to improve the fastness of location.
As shown in fig. 4, two bearings 5 are mounted on the inner side of the rubber coating 2, the rigid shaft 6 is arranged on the inner side of the bearings 5 in a penetrating manner, and a limiting ring 7 is sleeved on the outer side of the rigid shaft 6. The limiting ring limits the connecting position of the connecting piece, and under the action of the bearing, smooth rotation of the rubber coating body can be guaranteed, impact action of the inner ring on the impact surface can be effectively reduced, impact stress is dredged along the tangential direction of the ring, and therefore collision impact protection is achieved.
As shown in fig. 3, the outer side of the rubber coating body 2 is provided with anti-skid patterns 3 and a plurality of rows of reflective strips 4. The anti-skid patterns can effectively provide additional friction force, the surface of the rubber coating is provided with a plurality of rows of light reflecting strips, and the high light reflecting performance of the light reflecting strips enables the rubber coating to be found more easily under the condition of low illumination, so that accidents and collisions are reduced.
The working principle of the embodiment is as follows:
When the vehicle impacts the bridge pier due to various unexpected factors, the vehicle contacts with the rubber coating body and pushes the rubber coating body to move, the vehicle extrudes the rubber coating body to transmit impact force to the inner layer five-mode lattice annular structure of the rubber coating body, and due to the cell structure specially designed by the annular structure and the characteristics of self reinforced fiber materials, the rigid impact can be converted into the elastoplastic impact, the impact action of the impact surface of the inner ring is effectively reduced, the impact stress wave is dredged along the tangential direction of the ring, the impact force of the vehicle is reduced in multiple stages, the safety of the bridge pier and the vehicle is protected, and when the rubber coating body needs to be replaced, the snap ring and the locking head are loosened, so that the rubber coating body can be removed, the disassembly and the assembly can be conveniently realized, and the disassembly are reasonable, and the structure is flexible and changeable, so that the bridge pier has a series of advantages of short construction period, low maintenance cost and the like.
The entire workflow is completed and what is not described in detail in this specification is well known to those skilled in the art.
It should be noted that in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a device is hit in collision avoidance of direction formula pier which characterized in that: including two cable wires (1) that pier periphery set up, be provided with a plurality of rubber cladding body (2) between two cable wires (1), rubber cladding body (2) are hollow cylinder, the inside of rubber cladding body (2) is provided with filling body (10), rigid shaft (6) are worn to be equipped with in the inboard of rubber cladding body (2), and the both ends of rigid shaft (6) are established ties on cable wire (1) through locking subassembly, the outside of cable wire (1) is located the both sides of locking subassembly and all is provided with snap ring (15).
2. The guiding pier collision preventing apparatus as claimed in claim 1, wherein: the locking assembly comprises connecting pieces (8) connected to two ends of the rigid shaft (6), through holes are formed between the connecting pieces (8) and the rigid shaft (6), grooves communicated with the through holes are formed in the top and the bottom of the rigid shaft (6), and locking heads (9) are connected to the inner sides of the connecting pieces (8).
3. The guiding pier collision preventing apparatus as claimed in claim 2, wherein: the locking head (9) is internally provided with a cavity (11), a spring (12) and a stop block (13) are arranged in the cavity (11), a lower pressing column (14) penetrating through the locking head (9) is fixed at the bottom of the stop block (13), and the lower pressing column (14) is matched with the groove.
4. The guiding pier collision preventing apparatus as claimed in claim 1, wherein: two bearings (5) are arranged on the inner side of the rubber coating body (2), the rigid shaft (6) is arranged on the inner side of the bearings (5) in a penetrating mode, and a limiting ring (7) is sleeved on the outer side of the rigid shaft (6).
5. The guiding pier collision preventing apparatus as claimed in claim 1, wherein: the outer side of the rubber coating body (2) is provided with anti-skid patterns (3) and a plurality of rows of reflective strips (4).
6. The guiding pier collision preventing apparatus as claimed in claim 1, wherein: the filling body (10) is of a five-mode lattice annular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322719573.7U CN220847301U (en) | 2023-10-11 | 2023-10-11 | Guiding type pier anti-collision device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322719573.7U CN220847301U (en) | 2023-10-11 | 2023-10-11 | Guiding type pier anti-collision device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220847301U true CN220847301U (en) | 2024-04-26 |
Family
ID=90779885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322719573.7U Active CN220847301U (en) | 2023-10-11 | 2023-10-11 | Guiding type pier anti-collision device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220847301U (en) |
-
2023
- 2023-10-11 CN CN202322719573.7U patent/CN220847301U/en active Active
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