CN220013565U - Novel pier anticollision device - Google Patents
Novel pier anticollision device Download PDFInfo
- Publication number
- CN220013565U CN220013565U CN202321127045.6U CN202321127045U CN220013565U CN 220013565 U CN220013565 U CN 220013565U CN 202321127045 U CN202321127045 U CN 202321127045U CN 220013565 U CN220013565 U CN 220013565U
- Authority
- CN
- China
- Prior art keywords
- layer
- pipe layer
- steel pipe
- viscous damper
- pier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 19
- 239000006260 foam Substances 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 11
- 239000010720 hydraulic oil Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 7
- 238000010276 construction Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 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 a novel pier anti-collision device which comprises an inner steel pipe layer, a viscous damper layer, a foam aluminum pipe layer and an outer steel pipe layer, wherein the inner steel pipe layer, the viscous damper layer, the foam aluminum pipe layer and the outer steel pipe layer are sequentially coated on the outer side of a pier, and cover plates are connected to the top and the bottom of the inner steel pipe layer, the viscous damper layer, the foam aluminum pipe layer and the outer steel pipe layer; the viscous damper layer is composed of a plurality of viscous dampers, and the viscous dampers are obliquely arranged along the pier direction. According to the utility model, the structure of the bridge pier is not changed, and the anti-collision device is arranged on the surface of the bridge pier and absorbs energy generated by impact force, so that the influence of accidental impact on the bridge pier is reduced, and the safety of the whole bridge structure is ensured.
Description
Technical Field
The utility model relates to the technical field of bridge protection, in particular to a novel pier anti-collision device.
Background
At present, the traffic construction develops rapidly, and as an important component of the traffic construction, the bridge construction also develops correspondingly, and the bridge pier is taken as a main bearing structure of the bridge, so that the bridge construction plays a vital role in the structural safety of the bridge. With the development of society, the occurrence of collision of automobiles, ships and the like with bridge piers causes the damage of bridge pier structures, thereby affecting the overall safety of the bridge. In the prior art, in addition to increasing the strength of the pier, a ship collision prevention system is generally arranged on the pier to reduce the damage of collision. The ship collision prevention system mainly comprises modes of artificial islands, pile groups, steel sleeve boxes and the like, but has some defects. For example, the man-made island approach can affect the channel and is expensive; the pile group mode has poor protection effect on the ship, endangers personnel safety of crews, is extremely easy to damage after collision, and has extremely high later maintenance cost.
Disclosure of Invention
The utility model aims to solve the defects of the prior art and provides a novel pier anti-collision device.
The utility model adopts the following technical scheme to realize the aim: the novel pier anti-collision device comprises an inner steel pipe layer, a viscous damper layer, a foam aluminum pipe layer and an outer steel pipe layer, wherein the outer side of a pier is sequentially coated with the inner steel pipe layer, the viscous damper layer, the foam aluminum pipe layer and the top and bottom of the outer steel pipe layer are respectively connected with a cover plate; the viscous damper layer is composed of a plurality of viscous dampers, and the viscous dampers are obliquely arranged along the pier direction.
Further, the viscous damper comprises a first end support, a cylinder body is connected to the bottom of the first end support, a plug is arranged at one end, close to the first end support, of the cylinder body, a sealing plate is arranged at the other side of the cylinder body, a connecting rod is installed inside the cylinder body, one end of the connecting rod penetrates through the outer side of the sealing plate, the other end of the connecting rod penetrates through the outer side of the plug, a piston is sleeved on the outer side of the connecting rod, a plurality of holes are formed in the piston, the piston is located inside the cylinder body, hydraulic oil is filled inside the cylinder body, a ball support is connected to one end, close to the sealing plate, of the connecting rod, and the second end support is connected to the ball support.
Further, the thicknesses of the inner steel tube layer, the foam aluminum tube layer, the outer steel tube layer and the cover plate are all 8-10mm.
Further, the viscous damper layer is connected to the inner steel tube layer by an end support.
Further, the viscous damper layer is connected to the foam aluminum tube layer through an end support II.
The beneficial effects of the utility model are as follows: according to the utility model, the structure of the bridge pier is not changed, and the anti-collision device is arranged on the surface of the bridge pier and absorbs energy generated by impact force, so that the influence of accidental impact on the bridge pier is reduced, and the safety of the whole bridge structure is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is a schematic diagram of a viscous damper;
in the figure: 1-an inner steel pipe layer; 2-a viscous damper layer; 3-a foam aluminum pipe layer; 4-an outer steel pipe layer; 5-cover plate; 6-pier; the 21-end supports one; 22-cylinder; 23-well; 24-piston; 25-hydraulic oil; 26-sealing plate; 27-end support two; 28-ball support; 29-plugs;
the drawings in the present utility model are schematic, and their sizes do not represent actual dimensions;
the embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1-3, a novel pier anti-collision device comprises an inner steel pipe layer 1, a viscous damper layer 2, a foam aluminum pipe layer 3 and an outer steel pipe layer 4, wherein the outer side of a pier 6 is sequentially coated with the inner steel pipe layer 1, the viscous damper layer 2, the foam aluminum pipe layer 3 and the top and bottom of the outer steel pipe layer 4 are connected with a cover plate 5, the outer steel pipe layer 4 and the cover plate 5 are connected to form a closed whole, the internal erosion effect of an external environment on the anti-collision device can be effectively reduced, the service life of the anti-collision device is prolonged, and meanwhile, the outer steel pipe layer 4 and the inner steel pipe layer 1 have certain rigidity and can provide certain impact resistance. The inner steel pipe layer 1 can be used for connecting the anti-collision device and the bridge pier into a whole, the inner steel pipe layer 1 is connected with the end support 21 of the viscous damper, so that concentrated stress generated on the bridge pier surface by the end support 21 of the viscous damper is prevented from being too large when the impact force is excessive, the bridge pier structure surface is further broken, and the integrity of the bridge pier structure is effectively protected. The foam aluminum pipe layer 3 has the advantages of high temperature resistance, good fireproof performance, corrosion resistance and the like, provides effective protection for the viscous damper layer 2, has strong impact absorption capacity, can absorb the impact action generated by a part of impact force, reduces the stress of the impact action on the end support II 27 of the viscous damper, prevents the impact force from damaging the end support II 27 of the viscous damper too much, and further reduces the impact absorption capacity of the viscous damper layer 2. The viscous damper layer 2 comprises a plurality of viscous dampers, the viscous dampers are obliquely arranged along the direction of the bridge pier 6, the viscous dampers are annularly arranged in eight groups, the viscous dampers are obliquely arranged, the impact effect generated by impact in different directions can be absorbed, when the viscous damper at a certain position is deformed too much or fails, the viscous dampers at the corresponding position can be replaced, other viscous dampers can still be normally used, and the device has the advantages of easiness in arrangement and replacement.
The viscous damper comprises an end support 21, a cylinder 22 is connected to the bottom of the end support 21, a plug 29 is arranged at one end, close to the end support 21, of the cylinder 22, a sealing plate 26 is arranged at the other side of the end support, a connecting rod is installed inside the cylinder 22, one end of the connecting rod penetrates through the outer side of the sealing plate 26, the other end of the connecting rod penetrates through the outer side of the plug 29, a piston 24 is sleeved outside the connecting rod, the piston 24 is provided with a plurality of holes 23, the piston 24 is located inside the cylinder 22, hydraulic oil 25 is filled inside the cylinder 22, the hydraulic oil 25 can flow in the cylinder 22 through the holes 23, and the plug 29 and the sealing plate 26 are connected with the cylinder 22 to form a closed whole, so that the hydraulic oil 25 is sealed in the cylinder 22, and the piston 24 can move in the cylinder 22 in a telescopic manner. One end of the connecting rod, which is close to the sealing plate 26, is connected with a ball bearing 28, and the ball bearing 28 is connected with an end bearing two 27. The thickness of the inner steel tube layer 1, the foam aluminum tube layer 3, the outer steel tube layer 4 and the cover plate 5 is 8-10mm. The viscous damper layer 2 is connected to the inner steel tube layer 1 by means of an end support 21. The viscous damper layer 2 is connected to the foamed aluminum pipe layer 3 via end supports 27.
When accidental impact occurs, impact force acts on the outer steel tube layer 4 at first, the outer steel tube layer 4 deforms under the action of the impact force, after absorbing a small amount of impact energy, the impact force is transmitted to the foam aluminum tube layer 3, the foam aluminum tube layer 3 deforms, after absorbing a part of impact energy, the impact effect is transmitted to the viscous damper layer 2 through the end support two 27, the end support two 27 and the ball support 28 displace under the action of the impact force, and then the piston 24 is driven to displace, at this time, hydraulic oil 25 in the cylinder 22 flows through the hole 23, the flowing direction is opposite to the acting direction of the impact force, the impact effect energy is greatly dissipated through the flowing of the hydraulic oil 25, the residual impact effect energy is transmitted to the inner steel tube layer 1 through the end support one 21, and finally the residual impact effect energy is transmitted to the bridge pier 6 through the inner steel tube layer 1.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the above embodiments, but is intended to cover various modifications, either made by the method concepts and technical solutions of the utility model, or applied directly to other applications without modification, within the scope of the utility model.
Claims (5)
1. The novel pier anti-collision device is characterized by comprising an inner steel pipe layer (1), a viscous damper layer (2), a foam aluminum pipe layer (3) and an outer steel pipe layer (4), wherein the outer side of a pier (6) is sequentially coated with the inner steel pipe layer (1), the viscous damper layer (2), the foam aluminum pipe layer (3) and the top and bottom of the outer steel pipe layer (4) are connected with a cover plate (5); the viscous damper layer (2) is composed of a plurality of viscous dampers, and the viscous dampers are obliquely arranged along the direction of the bridge pier (6).
2. The novel pier collision avoidance device according to claim 1, wherein the viscous damper comprises an end support one (21), the bottom of the end support one (21) is connected with a cylinder body (22), one end of the cylinder body (22) close to the end support one (21) is provided with a plug (29), the other side is provided with a sealing plate (26), the inside of the cylinder body (22) is provided with a connecting rod, one end of the connecting rod penetrates through the outer side of the sealing plate (26), the other end of the connecting rod penetrates through the outer side of the plug (29), the outer side of the connecting rod is sleeved with a piston (24), the piston (24) is provided with a plurality of holes (23), the piston (24) is positioned inside the cylinder body (22), hydraulic oil (25) is filled inside the cylinder body (22), one end of the connecting rod close to the sealing plate (26) is connected with a ball support (28), and the ball support (28) is connected with an end support two (27).
3. The novel pier collision avoidance device according to claim 2, wherein the thicknesses of the inner steel pipe layer (1), the foam aluminum pipe layer (3), the outer steel pipe layer (4) and the cover plate (5) are all 8-10mm.
4. A novel pier collision avoidance device according to claim 3, wherein the viscous damper layer (2) is connected to the inner steel tube layer (1) by means of an end support (21).
5. The novel pier collision avoidance apparatus of claim 4 wherein the viscous damper layer (2) is connected to the foamed aluminum pipe layer (3) by means of end supports two (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321127045.6U CN220013565U (en) | 2023-05-11 | 2023-05-11 | Novel pier anticollision device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321127045.6U CN220013565U (en) | 2023-05-11 | 2023-05-11 | Novel pier anticollision device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220013565U true CN220013565U (en) | 2023-11-14 |
Family
ID=88685509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321127045.6U Active CN220013565U (en) | 2023-05-11 | 2023-05-11 | Novel pier anticollision device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220013565U (en) |
-
2023
- 2023-05-11 CN CN202321127045.6U patent/CN220013565U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201924321U (en) | Pier collision-prevention structure capable of changing collision direction of ship | |
| CN104727344A (en) | Anti-collision structure of submerged floating tunnel | |
| CN220013565U (en) | Novel pier anticollision device | |
| CN110725241A (en) | Shock attenuation outsourcing structure suitable for highway pier | |
| CN212612299U (en) | Bridge buffer stop and bridge | |
| CN211713887U (en) | Anti-collision device for navigation bridge hole | |
| CN211058057U (en) | Mounting assembly for steel structure construction | |
| CN209923758U (en) | Annular rubber multi-dimensional damping support | |
| CN111719503A (en) | Automatic over-and-under type marine pier buffer stop | |
| CN219452742U (en) | Viscous fluid damping shock absorber with rigidity | |
| CN102926324B (en) | Multifunctional rigidity adjustable speed locking force transmission devices | |
| CN110616675B (en) | Bridge pile foundation combined type crumpling anti-torsion anti-collision system and construction method thereof | |
| CN213206425U (en) | Damping device for assembled pier | |
| CN115045180A (en) | Construction method of graded energy-consumption ship-collision-prevention buffer device capable of quantifying collision resistance | |
| CN207419236U (en) | A kind of pier anticollision system | |
| CN211690091U (en) | Shock attenuation outsourcing structure suitable for highway pier | |
| CN211690093U (en) | Safety guarantee setting component for highway anti-collision bridge pier | |
| CN213203768U (en) | Shock-absorbing and buffering base structure of road and bridge | |
| CN106835952A (en) | A kind of combined anti-seismic system and combined anti-seismic bridge | |
| CN214999033U (en) | Viscous fluid damper and shock isolation system with large displacement protection function | |
| CN111576344A (en) | Bridge buffer stop and bridge | |
| CN209941942U (en) | Viscous damping device of damping structure | |
| CN114802638B (en) | Shock attenuation formula anticollision fender device | |
| CN221072500U (en) | Pier buffer stop | |
| CN206175556U (en) | Mechanical engineering equips and uses damping device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |