CN114775540B - Ship collision protection device is prevented to bridge superstructure - Google Patents
Ship collision protection device is prevented to bridge superstructure Download PDFInfo
- Publication number
- CN114775540B CN114775540B CN202210378450.9A CN202210378450A CN114775540B CN 114775540 B CN114775540 B CN 114775540B CN 202210378450 A CN202210378450 A CN 202210378450A CN 114775540 B CN114775540 B CN 114775540B
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- Prior art keywords
- base
- bridge
- wedge
- tables
- protection device
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- 230000035939 shock Effects 0.000 claims abstract description 8
- 239000006096 absorbing agent Substances 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/20—Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards
- E02B3/26—Fenders
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/046—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means using combinations of springs of different kinds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
-
- 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
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Architecture (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention belongs to the technical field of traffic safety, and particularly relates to a ship collision prevention protection device for a bridge superstructure, which comprises a mounting seat on a bridge pier, wherein a buffer part is arranged on the mounting seat, a support is arranged on the bridge pier, a bridge deck is paved on the support, the mounting seat comprises a first base, the first base is fixedly arranged on the bridge pier, two wedge tables which are oppositely arranged are slidably arranged on the first base, a shock absorber and a second base are arranged between the two wedge tables, a wedge surface matched with the wedge table is arranged on the second base, the second base is in sliding contact with the wedge table, a limit buckle for preventing the second base from falling off is arranged on the first base, a plurality of groove groups are formed in the second base, each groove group comprises a plurality of mounting grooves, the buffer part is arranged in the mounting grooves, the buffer part comprises a plate spring, sliding tables are arranged at two ends of the plate spring, guide rods are respectively penetrated on the sliding tables, a top plate is arranged on the guide rods, and a shock absorption spring is arranged between the top plate and the sliding tables, so that the current bridge height limiting device can not resist the ship ultra-high collision.
Description
Technical Field
The invention belongs to the technical field of bridge anti-collision, and particularly relates to a ship collision prevention protection device for a bridge superstructure.
Background
Along with the continuous development of bridge technology and transportation industry, bridges are erected above a plurality of channels, and when ships pass through bridge holes, the situations that the tops of the ships are higher than the bridge holes inevitably occur due to uncertain factors such as tides, stormy waves and the like, so that the ships collide with bridge frames.
However, the anti-collision protection of bridges in various countries is mostly focused on the aspects of bridge pier anti-collision and fender technologies, the anti-collision protection of bridges is rarely involved, some bridges protect the bridges, but the height limiting measures of land vehicles are basically used for reference, and the height limiting devices such as vehicle height limiting frames are arranged below the bridges, so that the protection effect of the height limiting devices on the bridges is not ideal. The reason is mainly that the similar device with better height limiting and anti-collision effects on vehicles with smaller tonnage can be realized because the tonnage of the freight ship is generally larger, and the similar device can not play a better role on the ship; meanwhile, because the water environment is more complex than that of land, the adaptability of the land height limiting device is poor, the installation and maintenance are inconvenient, and the ship cannot be effectively prevented from being impacted by the ship to be limited in height and crashproof.
Disclosure of Invention
Based on the problems mentioned in the background art, the invention provides a ship collision prevention protection device for a bridge superstructure, which is used for solving the problem that the current bridge height limiting device is difficult to resist ship impact.
The technical scheme adopted by the invention is as follows:
the utility model provides a bridge superstructure prevents ship and hits protection device, includes the mount pad on installation and the pier, install the bolster on the mount pad, be equipped with the support on the pier, erect the bridge floor on the support, the mount pad includes first base, first base fixed mounting is on the pier, slidable mounting has two wedge platforms that set up relatively on the first base, installs bumper shock absorber and second base between two wedge platforms, is equipped with on the second base with wedge platform assorted wedge surface, second base and wedge platform sliding contact, install the spacing knot that is used for preventing that the second base drops on the first base, a plurality of slot groups have been seted up to the second base, every slot group all includes a plurality of mounting grooves, the bolster is installed in the mounting groove, the bolster includes the slip table is installed at leaf spring both ends, all wear to be equipped with the guide arm on the slip table, install the roof on the guide arm, install damping spring between roof and the slip table.
Based on the technical scheme, the invention also improves the following steps:
further, the mounting grooves of two adjacent groove groups are distributed in a staggered manner. The plate springs in the adjacent groove groups are distributed in a staggered mode, and the ship is prevented from directly striking the second base between the two plate springs.
Further, universal balls are mounted on the sliding table. The friction resistance between the sliding table and the mounting groove is reduced through the universal balls, so that the two ends of the plate spring are easier to stretch to the two sides at the moment of impact, and the buffer effect is improved.
Further, the first base is connected with an installation hoop, the installation hoop is sleeved on the pier, and a first buffer cushion is installed between the installation hoop and the pier. The first base is convenient to install, and meanwhile the damage to the bridge pier caused by the installation hoop when the first base is impacted by the action of the first buffer cushion is avoided.
Further, a plurality of communication grooves are formed in the first base at equal intervals, the wedge is connected with mounting frames in the communication grooves, and the shock absorber is mounted between the two mounting frames. The damper and the wedge can be arranged on the opposite side of the first base, so that interference caused by the damper to movement of the second base can be avoided, and a plurality of fixed connection points can be arranged between the mounting frame and the wedge under the action of the communication groove, so that the mounting frame is not easy to bend when being stressed.
Further, a slope is arranged on the first base, and a second buffer cushion is arranged between the slope and the bridge deck. The first base can not bend and deform under the restriction of bridge floor when the atress, simultaneously owing to the contact surface of first base and bridge floor is great, and is provided with the second blotter with the bridge floor between, be difficult for leading to the bridge floor impaired when receiving the impact.
Further, an arch is mounted on the first base, and the arch is located above the second base. On the premise of not damaging the bridge deck structure, the arch frame can be provided with devices such as laser, radar, infrared liquid level meter, LED information board, tweeter, whistle, intelligent camera and the like.
The invention has the beneficial effects that:
when the ship is impacted by exceeding the limit height, the deformation of the plate spring expands to two sides to be contacted with two ends of the mounting groove, so that the impact force of the ship is decomposed in multiple directions for the first time; the pressure received by the second base after the first buffering forces the wedge to move to compress the shock absorber, the pressure received by the second base is decomposed again to perform the second buffering, the stress of the first base is reduced, and the bridge deck can be better protected.
Drawings
The invention can be further illustrated by means of non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic view showing a use state of a bridge superstructure anti-collision protection apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of a partially cut-away structure of a bridge superstructure anti-collision protection apparatus in a use state according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of FIG. 2A;
FIG. 4 is a schematic view of a bridge superstructure anti-collision device according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a bridge superstructure anti-collision device according to an embodiment of the present invention;
FIG. 6 is an enlarged schematic view of the structure shown at B in FIG. 5;
FIG. 7 is a schematic view of a second base according to an embodiment of the present invention;
FIG. 8 is a schematic view of a buffer according to an embodiment of the present invention;
the main reference numerals are as follows:
bridge pier 11, support 12, bridge deck 3, mount 4, first base 41, communicating slot 411, mounting bracket 412, slope 413, wedge 42, second base 43, mounting slot 431, wedge 432, mounting hoop 44, damper 45, buffer 5, leaf spring 51, sliding table 52, top plate 53, guide rod 54, damper spring 55.
Detailed Description
In order that those skilled in the art will better understand the present invention, the following technical scheme of the present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1 to 8, a ship collision protection device for bridge superstructure comprises a mounting seat 4 arranged on a bridge pier 11, a buffer part 5 is arranged on the mounting seat 4, a support 12 is arranged on the bridge pier 11, a bridge deck 3 is erected on the support 12, the mounting seat 4 comprises a first base 41, the first base 41 is fixedly arranged on the bridge pier 11, a mounting hoop 44 is connected to the first base 41, the mounting hoop 44 is sleeved on the bridge pier 11, a first buffer pad is arranged between the mounting hoop 44 and the bridge pier 11, the first base 41 is convenient to install, meanwhile, the first buffer pad is prevented from damaging the bridge pier by the mounting hoop 44 when the first base 41 is impacted by the first buffer pad, two wedge tables 42 are arranged on the first base 41 in a sliding mode, a shock absorber 45 and a second base 43 are arranged between the two wedge tables 42, a wedge surface 432 matched with the wedge tables 42 are arranged on the second base 43, a limit buckle 44 for preventing the second base 43 from falling off is arranged on the first base 41, a plurality of groove groups are arranged on the second base 43, each groove group is provided with a plurality of groove groups 431, each groove group comprises a plurality of groove groups, each groove groups of groove groups is provided with a plurality of groove groups 53, each groove groups is provided with a spring plate spring 53, a top plate 53 is arranged in each groove 53 is provided with a top plate 53, and a top plate 53 is arranged in each groove is provided with a top plate 52, and each groove 53 is provided with a top plate 52 is provided with a buffer plate 52.
Specifically, due to the arc-shaped structure of the leaf springs 51, a certain blank area exists between the adjacent leaf springs 51, and in order to avoid the ship from directly striking the second base 43 between the two leaf springs 51, the mounting grooves 431 of the adjacent two groove groups are distributed in a staggered manner, so that the leaf springs 51 in the adjacent groove groups are distributed in a staggered manner.
Specifically, in order to reduce the frictional resistance between the slide table 52 and the mounting groove 431, the two ends of the leaf spring 51 are more easily stretched to both sides at the moment of impact, and the cushioning effect is improved, and the universal balls are mounted on the slide table 52.
Specifically, a plurality of communicating slots 411 are provided on the first base 41 at equal intervals, the wedge 42 is connected with the mounting frames 412 in the communicating slots 411, the damper 45 is installed between the two mounting frames 412, the damper 45 and the wedge 42 can be arranged at different sides of the first base 41, so that interference caused by the damper 45 to movement of the second base 43 can be avoided, and a plurality of fixed connection points can be provided between the mounting frames 412 and the wedge 42 under the action of the communicating slots 411, so that the mounting frames 412 are not easy to bend when being stressed.
Specifically, the slope 413 is formed on the first base 41, a second buffer pad is installed between the slope 413 and the bridge deck 3, the first base 41 base cannot bend and deform under the limitation of the bridge deck 3 when stressed, and meanwhile, the bridge deck 3 is not damaged easily due to the fact that the contact surface between the first base 41 and the bridge deck 3 is large and the second buffer pad is arranged between the first base 41 and the bridge deck.
Specifically, the first base 41 is provided with the arch frame 6, the arch frame 6 is located above the second base 43, and the arch frame can be provided with devices such as a laser, a radar, an infrared liquid level meter, an LED information board, a tweeter, a whistle, an intelligent camera and the like on the premise of not damaging the bridge deck structure.
When the ultrahigh ship enters the bridge area water area to strike the bridge, the plate springs 51 deform and expand to two sides to contact with two ends of the mounting grooves 431 under the impact force, the impact force of the ship is decomposed for the first time in multiple directions, when the sliding table 52 cannot move continuously, the plate springs do not expand any more, and at the moment, the ship directly presses the second base 43 through the plate springs 51; the pressure received by the second base 43 after the first buffering forces the wedge 42 to move the compression damper 45, the pressure received by the second base 43 is decomposed again to perform the second buffering to reduce the stress of the first base 41, meanwhile, the stress area of the bridge deck 3 is crossed due to the large contact area between the first base 41 and the bridge deck 3, and the bridge deck 3 is not easily damaged due to the impact of the ship after the two buffering.
The invention provides the ship collision prevention protection device for the bridge superstructure. The description of the specific embodiments is only intended to aid in understanding the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (5)
1. The utility model provides a protection device is hit to bridge superstructure prevents ship, includes mount pad (4) of installing on pier (11), install bolster (5) on mount pad (4), be equipped with support (12) on pier (11), support (12) are overhead to be equipped with bridge floor (3), its characterized in that: the mounting seat (4) comprises a first base (41), the first base (41) is fixedly mounted on the bridge pier (11), two wedge tables (42) which are oppositely arranged are slidably mounted on the first base (41), a shock absorber (45) and a second base (43) are mounted between the two wedge tables (42), the second base (43) is in sliding contact with the wedge tables (42), a limit buckle for preventing the second base (43) from falling off is mounted on the first base (41), a plurality of groove groups are formed in the second base (43), each groove group comprises a plurality of mounting grooves (431), a buffer piece (5) is mounted in the mounting grooves (431), the buffer piece (5) comprises a plate spring (51), sliding tables (52) are mounted at two ends of the plate spring (51), guide rods (54) are respectively arranged on the sliding tables (52) in a penetrating mode, a top plate (53) is mounted on the guide rods (54), a spring (55) is mounted between the top plate (53) and the sliding tables (52), a plurality of buffer hoops (41) are mounted on the first base (41), the buffer hoops (41) are mounted on the bridge pier (41) in a connecting mode, the bridge pier (44) is mounted on the bridge pier (11) in a connecting mode, the bridge pier (41) is mounted on the bridge pier (41) in a connecting mode, the wedge table (42) is connected with a mounting frame (412) in the communicating groove (411), and the shock absorber (45) is mounted between the two mounting frames (412).
2. The bridge superstructure anti-ship collision protection device according to claim 1, wherein: the mounting grooves (431) of two adjacent groove groups are distributed in a staggered manner.
3. The bridge superstructure anti-ship collision protection device according to claim 2, wherein: and the sliding table (52) is provided with universal balls.
4. The bridge superstructure anti-ship collision protection device according to claim 1, wherein: a slope (413) is arranged on the first base (41), and a second buffer pad is arranged between the slope (413) and the bridge deck (3).
5. The bridge superstructure anti-ship collision protection device of claim 4, wherein: an arch frame (6) is mounted on the first base (41), and the arch frame (6) is located above the second base (43).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210378450.9A CN114775540B (en) | 2022-04-12 | 2022-04-12 | Ship collision protection device is prevented to bridge superstructure |
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CN202210378450.9A CN114775540B (en) | 2022-04-12 | 2022-04-12 | Ship collision protection device is prevented to bridge superstructure |
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CN114775540A CN114775540A (en) | 2022-07-22 |
CN114775540B true CN114775540B (en) | 2024-04-05 |
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