CN212404793U - Pier buffering buffer stop - Google Patents
Pier buffering buffer stop Download PDFInfo
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- CN212404793U CN212404793U CN202021226840.7U CN202021226840U CN212404793U CN 212404793 U CN212404793 U CN 212404793U CN 202021226840 U CN202021226840 U CN 202021226840U CN 212404793 U CN212404793 U CN 212404793U
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- Prior art keywords
- pier
- buffering
- support
- damping part
- guard plate
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- 230000003139 buffering effect Effects 0.000 title claims abstract description 43
- 238000013016 damping Methods 0.000 claims abstract description 54
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 4
- 230000035939 shock Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 11
- 238000013461 design Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 7
- 230000002349 favourable effect Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to a pier buffering anticollision technical field, in particular to pier buffering buffer stop. Contain support and two at least damping part, have the clearance between support and the pier, damping part one end connect in support, the other end are connected in the guard plate, the guard plate is located the support outside, the guard plate is connected in adjacent two between the damping part. Adopt this device can effectively avoid the impact that damping part received directly transmits extremely the pier realizes multistage buffering shock attenuation anticollision function, is showing the buffering crashproof ability that improves traditional pier anticollision measure, improves the adaptability of buffer stop under all kinds of car impact load, can avoid not directly suffering the striking or the example striking position is far away damping part also participates in the power consumption, effectively reduces the change frequency of power consumption component, reduces the dimension and protects the degree of difficulty and expense, sparingly dimension guarantor cost.
Description
Technical Field
The utility model relates to a pier buffering anticollision technical field, in particular to pier buffering buffer stop.
Background
Along with the rapid development of social economy, a bridge serving as a transportation junction faces an increasingly serious threat, namely, the collision of a vehicle to a pier. Many domestic and foreign impact accidents show that when a large-sized vehicle is impacted, a pier designed according to the existing specification is likely to break and damage and cause the whole bridge to collapse, so that more serious secondary disasters are caused, and the serious consequences such as long-time sealing of the whole highway are caused. Therefore, the research on the problem that the vehicle collides with the pier has important practical significance.
At present, in the prior art, a simple static design method is adopted to perform anti-collision design on a pier, the influence of parameters such as the rigidity and the ductility of the pier on the collision force cannot be considered, and the difference from the actual situation is large. Secondly, the theoretical source of equivalent static forces in the specification is very vague. The general Specification for designing bridges and culverts (JTG D60-2004) in China directly indicates that the relevant regulations on the impact force of vehicles are obtained by referring to foreign specifications. In particular, the national standard still adopts a single, lower and unforced impact force design value at present, which is extremely unfavorable for the bridge safety in China. In addition, most of China currently adopts reinforced concrete anti-collision walls as main anti-collision devices, the reinforced concrete anti-collision walls are high in rigidity and weak in buffering capacity, although the piers can be protected from impact damage, the anti-impact force on automobiles is large, and the safety of personnel in the automobiles is seriously threatened. In addition, once the reinforced concrete anti-collision measures are damaged, the repair is difficult, and the repair cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome current pier anticollision static design method and do not consider rigidity, ductility isoparametric of pier, and anticollision wall buffer capacity is weak, recoil force is great, seriously threatens personnel's safety in the car, the repair cost is high the above-mentioned not enough, provides a pier buffering buffer stop.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a pier buffering buffer stop, contains support and two at least damping part, the clearance has between support and the pier, damping part one end connect in support, the other end are connected in the guard plate, the guard plate is located the support outside, the guard plate is connected in adjacent two between the damping part.
Adopt a pier buffering buffer stop, the guard plate is located outwardly, forms envelope for daily protection and bearing striking, envelope contains a plurality of the guard plate is convenient for carry out the local change, reduces maintenance cost and work load, damping part's one end connect in guard plate, the other end connect in the support, be convenient for guard plate and damping part's connection, damping part can be followed support circumference is equipped with a plurality of, damping part's quantity is confirmed according to the design needs, avoids the too big effective crashproof buffering of interval, damping part's the range of height of arranging is confirmed according to the design demand, so that it is right the pier corresponds the direction and protects. When the protection plate is impacted by external force, the protection plate can be fully sunken inwards due to the cavity arranged on the inner side of the protection plate, the recoil force is reduced, the impact energy of the deformation process dissipation part of the protection plate is effectively utilized, the two ends of the protection plate are respectively connected with the damping component, the damping component can be compressed along with the increase of deformation to enable the damping component to deform and dissipate the impact energy, the impact vehicle is further buffered, the generated recoil force is smaller, the safety of personnel in the vehicle is ensured, in addition, a gap is formed between the support and the pier, namely, the support can be matched with and resist the impact force, the impact force received by the damping component is effectively prevented from being directly transmitted to the pier, the pier structure is protected, the maintenance difficulty and the cost are reduced, the multi-stage buffering, shock-absorbing and anti-collision functions are realized, and the buffering and, the adaptability of the anti-collision device under various automobile impact loads is improved, and due to the relative independence of the protection plates, when the anti-collision device is in collision, the damping parts which are not directly impacted or are far away from the impact part can be prevented from participating in energy consumption, the replacement frequency of energy consumption components is effectively reduced, and the maintenance cost is saved.
Preferably, the damping member comprises a corrugated plate.
Further preferably, the cross section of the corrugated plate is wave-shaped.
Further preferably, the wave shape includes a sine wave shape and a square wave shape.
Adopt above-mentioned mode of setting up, can pass through promptly the flexible impact that dissipates that warp of buckled plate, the cross section of buckled plate is the wave shape, promptly the wave face of buckled plate is towards horizontal setting, is convenient for damping part's arranging and installation are favorable to increasing damping part's the quantity that sets up, improve crashworthiness, guarantee the inboard cavity of guard plate.
Preferably, the bracket comprises a double-layer steel skeleton, and is connected to a bearing platform of the pier through a shear bolt.
The double-layer steel skeleton can be polygonal or circular.
By adopting the arrangement mode, the bridge pier is conveniently and effectively protected, the damping parts are arranged at intervals, and part of impact force is transmitted to the ground instead of the bridge pier through the support, so that the buffering effect is further improved, and the bridge pier is protected.
Further preferably, the damping part is detachably connected with the support and the protection plate respectively.
Further preferably, the outer wall of the support is provided with a plurality of clamping plate groups, and the protection plate comprises a panel and two side plates.
The splint group contains two splint, two the slot that forms between the splint is used for connecting damping part's tip is convenient for carry out bolted connection, the curb plate be used for with damping part's tip bolted connection does benefit to the installation.
Preferably, the damping parts are evenly distributed along the circumferential direction of the bracket at intervals.
Preferably, a buffer member is arranged between the support and the pier.
If sand and rubber are filled, the impact effect of the support on the bridge pier can be buffered along with the further increase of impact deformation, and the bridge pier is protected to the maximum extent.
A mounting method of a pier buffering anti-collision device comprises the following steps:
a. when a bearing platform of a bridge pier is constructed, a bolt sleeve for connecting a support is pre-embedded at a preset position, after the construction of the bridge pier is completed, the support is arranged on the outer side of the bridge pier, the support is connected with the bearing platform through a shear bolt, and a gap is formed between the support and the bridge pier;
b. connecting one end of a damping part to the bracket according to design parameters;
c. and connecting a protection plate between the other ends of the two adjacent damping parts to finish the construction of the anti-collision device.
Adopt a pier buffering buffer stop's installation method, be in as required the pier outside sets up the support to reserve the clearance, later install each according to design parameters such as mounting height, interval, quantity damping part, install again the guard plate forms the envelope that is used for the anticollision, simple to operate, the installation degree of difficulty is low, effectively improves the efficiency of construction, effectively avoids the impact directly transmit extremely the pier is favorable to protecting pier structure, realizes multistage buffering shock attenuation anticollision function, is showing the buffering crashworthiness that improves traditional pier anticollision measure, improves buffer stop's adaptability under all kinds of automobile impact load.
Preferably, in the step c, the protection plates are installed one by one in a clockwise direction or a counterclockwise direction, and after the current protection plate is horizontally pushed to a position between two corresponding adjacent damping parts, the current protection plate is connected with the previous protection plate and the damping parts between the current protection plate and the previous protection plate through pins.
To sum up, compare with prior art, the beneficial effects of the utility model are that:
1. adopt a pier buffering buffer stop, can absorb the energy of car striking, play the effect of buffering simultaneously, the counter impact force of production is less, is favorable to ensuring the interior personnel's of car safety, effectively avoids the impact to directly transmit to the pier is favorable to protecting the pier structure, reduces the maintenance degree of difficulty and expense, realizes multistage buffering shock attenuation anticollision function, is showing the buffering crashworthiness that improves traditional pier anticollision measure, improves the adaptability of buffer stop under all kinds of car impact load.
2. Adopt a pier buffering buffer stop's installation method, simple to operate, the installation degree of difficulty is low, effectively improves the efficiency of construction, does benefit to later maintenance.
Description of the drawings:
fig. 1 is a schematic structural view of a pier buffering and collision preventing device according to embodiment 1;
fig. 2 is a partial exploded view of the pier buffering and collision avoidance device according to embodiment 1.
The labels in the figure are: 1-support, 2-protective plate, 3-pier, 4-damping part and 5-clamping plate group.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. However, it should not be understood that the scope of the above-mentioned subject matter is limited to the following embodiments, and all the technologies realized based on the present invention are within the scope of the present invention.
Example 1
A pier buffering buffer stop, contain support 1 and two at least damping part 4, the clearance has between support 1 and the pier 3, damping part 4 one end connect in support 1, the other end are connected in guard plate 2, guard plate 2 is located 1 the outside of support, guard plate 2 is connected in adjacent two between the damping part 4, damping part 4 can be followed axial deformation power consumption, all 2 evenly distributed of guard plate avoid adjacent two 4 intervals of damping part are too big, unable effective crashproof buffering.
Specifically, as shown in fig. 1-2, the bracket 1 includes a double-layer steel skeleton having a polygonal structure, and the bracket 1 is not limited to a closed structure surrounding the pier 3, and may also be set according to actual needs, for example, only a half-side cylindrical surface of the pier 3 is continuously set, and the number of the protection plates 2 is set according to the cylindrical surface range of the enclosure and the outward-extending distance. In this embodiment, the example is for surrounding whole support 1 of 3 circumference of pier, and is two-layer the cross-section of steel skeleton is regular hexadecimal structure, has the interval between two-layer steel skeleton, if 5-10cm is connected with a plurality of backup pad between two-layer steel skeleton, polygonal bight is located to the backup pad, 1 outer wall of support is equipped with a plurality of splint group 5, splint group 5 is followed 1 hoop even interval distribution of support, splint group 5 contains two splint, splint welded connection support 1, support 1 adopts polygonized structure, does benefit to and welds on the plane, two the slot that forms between the splint is used for connecting damping part 4's tip, splint group 5 corresponds the backup pad sets up, does benefit to right damping part 4 interval arrangement improves the atress performance. The double-layer steel skeleton bottom is equipped with the bedplate, the bedplate pass through shear bolt connect in pier 3's cushion cap, 2-3 cm's clearance has between support 1 and the pier 3, be filled with like the buffer member of sand, rubber etc. in the clearance, avoid the impact direct transfer to pier 3 improves the buffering effect.
When the guard plate 2 receives external force to strike, because 2 inboards of guard plate have the cavity, guard plate 2 can fully inwards cave in, effectively utilizes the partial striking energy of deformation process dissipation of guard plate 2 reduces recoil force, 2 both ends of guard plate respectively with the buckled plate links to each other, and then can compress along with the increase of deformation the buckled plate makes its deformation dissipation striking energy, further plays the cushioning effect to the vehicle of hitting, and the impact force of production is less, is favorable to ensuring personnel's in the car safety. Support 1 can cooperate and resist the impact, effectively avoid the impact directly to transmit extremely pier 3 continues the increase along with warping, works as after the bolt of support 1 is cut off, filler such as sand, rubber between its and the pier 3 can further slow down the impact, effectively protects the pier structure, reduces the maintenance degree of difficulty and expense, realizes multistage buffering shock attenuation anticollision function, is showing the buffering crashworthiness that improves traditional pier anticollision measure, improves the adaptability of buffer stop under all kinds of car impact load.
The installation method of the anti-collision device comprises the following steps:
a. when a bearing platform of the pier 3 is constructed, a bolt sleeve for connecting the support 1 is pre-embedded at a preset position, after the construction of the pier 3 is completed, the support 1 is arranged on the outer side of the pier 3, the support 1 is connected with the bearing platform through a shear bolt, and a gap is formed between the support 1 and the pier 3;
b. connecting one end of a damping part 4 to the bracket 1 according to design parameters;
c. and connecting a protection plate 2 between the other ends of the two adjacent damping parts 4 to finish the construction of the anti-collision device.
When constructing the bearing platform of pier 3, pre-buried the bolt sleeve who is used for connecting in the preset position the bedplate waits to install after 3 construction of pier support 1 makes have the clearance between support 1 and the pier 3 to will through shearing bolt support 1 is connected with the bearing platform.
One end of all the corrugated plates is then inserted into the slots formed by the clamping plate group 5 and the pins are installed to connect the corrugated plates to the bracket 1. All the corrugated plates may be installed in sequence in a clockwise direction or a counterclockwise direction.
The installation is all behind the buckled plate, guard plate 2 is installed one by one along clockwise or anticlockwise, at first the installation is first guard plate 2 will keep away from next and wait to install the curb plate of 2 one sides of guard plate and the buckled plate that corresponds pass through pin joint, and the pin need not be screwed up, then the installation second guard plate 2, later will be current guard plate 2 and first guard plate 2 and the buckled plate between them pass through pin joint, analogize with this, will all guard plate 2 encloses into continuous envelope, all the contour position adaptation of the panel of guard plate 2.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a pier buffering buffer stop, its characterized in that contains support (1) and two at least damping part (4), the clearance has between support (1) and pier (3), damping part (4) one end connect in support (1), the other end is connected in guard plate (2), guard plate (2) are located the support (1) outside, guard plate (2) connect in adjacent two between damping part (4).
2. The pier buffering and collision avoidance device according to claim 1, wherein the damping member (4) comprises a corrugated plate.
3. The pier buffering and collision avoidance device according to claim 2, wherein the cross section of the corrugated plate is in a wave shape.
4. The pier buffering and collision preventing device according to claim 1, wherein the bracket (1) comprises a double-layer steel skeleton, and the bracket (1) is connected to a bearing platform of the pier (3) through shear bolts.
5. The pier buffering and collision avoidance device according to claim 1, wherein the damping member (4) is detachably connected to the bracket (1) and the guard plate (2), respectively.
6. The pier buffering and collision preventing device according to claim 5, wherein the outer wall of the bracket (1) is provided with a plurality of clamping plate groups (5), the clamping plate groups (5) are used for connecting the damping part (4), and the protection plate (2) comprises a panel and two side plates.
7. The pier buffering and collision avoidance device according to any one of claims 1 to 6, wherein the damping members (4) are uniformly spaced apart in a circumferential direction of the bracket (1).
8. The pier buffering and collision avoidance device according to any one of claims 1 to 6, wherein a buffering member is provided between the bracket (1) and the pier (3).
9. The pier buffering and collision avoidance device according to claim 8, wherein the buffering member comprises sand or rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021226840.7U CN212404793U (en) | 2020-06-29 | 2020-06-29 | Pier buffering buffer stop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021226840.7U CN212404793U (en) | 2020-06-29 | 2020-06-29 | Pier buffering buffer stop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212404793U true CN212404793U (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021226840.7U Expired - Fee Related CN212404793U (en) | 2020-06-29 | 2020-06-29 | Pier buffering buffer stop |
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| Country | Link |
|---|---|
| CN (1) | CN212404793U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113215967A (en) * | 2021-05-17 | 2021-08-06 | 合肥工业大学 | Removable combination pier of anticollision antidetonation integration |
| CN113744660A (en) * | 2021-09-24 | 2021-12-03 | 卓华光电科技集团有限公司 | COB encapsulation LED anticollision protection structure for display screen |
-
2020
- 2020-06-29 CN CN202021226840.7U patent/CN212404793U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113215967A (en) * | 2021-05-17 | 2021-08-06 | 合肥工业大学 | Removable combination pier of anticollision antidetonation integration |
| CN113744660A (en) * | 2021-09-24 | 2021-12-03 | 卓华光电科技集团有限公司 | COB encapsulation LED anticollision protection structure for display screen |
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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 |
Granted publication date: 20210126 |
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| CF01 | Termination of patent right due to non-payment of annual fee |