CN215758852U - Multistage energy-consumption anti-collision interception net system and anti-collision interception device thereof - Google Patents
Multistage energy-consumption anti-collision interception net system and anti-collision interception device thereof Download PDFInfo
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- CN215758852U CN215758852U CN202121903496.5U CN202121903496U CN215758852U CN 215758852 U CN215758852 U CN 215758852U CN 202121903496 U CN202121903496 U CN 202121903496U CN 215758852 U CN215758852 U CN 215758852U
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- 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
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The utility model discloses a multistage energy-consumption anti-collision interception net system and an anti-collision arresting device thereof. The telescoping device is installed in the stand, and the arresting cable is connected between two adjacent stands, and the arresting cable is including lax section and arresting section, and lax section and arresting section are connected, and lax section passes the stand and stretches into in the stand to be connected with the telescoping device, and the telescoping device can stretch out and draw back the pulling arresting cable and reset. One end of the steel damper is connected with the upright post, the other end of the steel damper is connected with the arresting section, and the steel damper can be tensioned, deformed and consumed energy. Above-mentioned multistage energy consumption anticollision interception net system and anticollision arresting gear thereof, through tertiary power consumption and then guarantee bridge structures safety, through the quantity and the diameter of adjustment steel damping and the diameter and the quantity etc. of arresting rope, realize the diversified design of anticollision facility, the arresting rope has the ability of state before the recovery boats and ships striking, only need maintain the change to steel damping part after the damage, maintenance cost greatly reduced.
Description
Technical Field
The utility model relates to the technical field of bridge collision avoidance, in particular to a multistage energy-consumption anti-collision interception net system and an anti-collision interception device thereof.
Background
Shipping is used as a low-cost and large-volume transportation mode, the shipping always occupies a large proportion in transportation, along with the continuous development of the transportation industry, a large number of bridges, particularly large bridges across the sea and the river, are continuously built, rivers and sea areas where the bridges are located are already mature navigation channels, the transportation condition is busy, and the bridges are influenced by complex conditions such as typhoon, flood and the like, so that the bridges inevitably bear the risk of ship collision.
Therefore, in order to reduce the damage caused by the collision of the ship with the bridge, an arresting net system is usually arranged in front of the bridge pier to prevent the direct impact of the yaw and out-of-control ship on the bridge, so that the bridge and the ship can be effectively protected. The existing arresting net system usually adopts steel strands and cables to form an arresting net device so as to achieve the purpose of arresting a ship, and the device also resists the impact of the ship mainly through the strength of the cables.
However, the existing barrier net systems have the following problems: (1) the elongation of the steel strand or the cable is low, the kinetic energy of the ship is consumed mainly by the deformation of the cable instead of buffering and energy absorption when a ship collision accident happens, the damage to the ship is large, and the requirement on the cable is high; (2) in order to resist the impact action of the ship, when the materials of the arresting net are selected, steel stranded wires or cables with larger diameters are often selected; (3) in order to meet the requirement of blocking ships with different tonnages, the method can be realized only by adjusting the diameter of the steel strand or the cable, and no good guarantee measure is provided for the normal work of the blocking system; (4) once the arresting net device is damaged by collision, the steel strand wires or the cables break, underwater fishing is needed, and then the steel strand wires or the cables in the whole arresting interval are replaced, so that the maintenance cost and the construction cost are high; (5) once the arresting system encounters a ship collision accident, the arresting cable cannot automatically recover the state before collision after deformation, so that the arresting device needs to be positioned again and the arresting cable needs to be replaced in the later period, and the workload is huge.
SUMMERY OF THE UTILITY MODEL
On the basis, a multistage energy-consumption anti-collision interception net system and an anti-collision interception device thereof are needed to be provided for solving the problems that the existing interception net system is low in elongation of steel strands or cables and needs to be fished underwater after being broken.
A crash barrier, comprising:
a column;
the telescopic device is arranged in the upright post;
the arresting cable is connected between two adjacent upright columns and comprises a loose section and an arresting section, the loose section is connected with the arresting section, the loose section penetrates through the upright columns and extends into the upright columns to be connected with the telescopic device, and the telescopic device can stretch and pull the arresting cable to reset; and
one end of the steel damper is connected with the upright post, the other end of the steel damper is connected with the arresting section, and the steel damper can be subjected to tensile deformation to dissipate energy.
In one embodiment, the telescopic device comprises a fixed plate, a movable plate and a damper, the fixed plate is mounted in the upright column, the movable plate is slidably disposed in the upright column, the damper connects the fixed plate and the elastic plate, and the loose section is connected with the movable plate.
In one embodiment, the dampers have a plurality of sets, and the plurality of sets of dampers are symmetrically distributed about the center of the movable plate.
In one embodiment, the damper is a spring.
In one embodiment, the telescopic device further comprises a pulley which is rotatably arranged on the upright post, and the slack section is connected with the telescopic device by passing through the pulley.
In one embodiment, the steel damper comprises an energy-absorbing rod, sleeves and lug plates, the energy-absorbing rod can be deformed in a tensile mode, the sleeves are connected with the end portions of the energy-absorbing rod, the two sleeves are connected to the two ends of the energy-absorbing rod respectively, the lug plates are connected with the sleeves, and the two lug plates are connected with the upright posts and the arresting sections respectively.
In one embodiment, the arresting cables are provided with a plurality of groups, and the groups of the arresting cables are arranged at intervals along the axial direction of the upright.
A multi-stage energy-consumption anti-collision interception net system comprises:
a float;
the anti-collision arresting device comprises a floating object, a vertical column and a plurality of anti-collision arresting devices, wherein the floating object is provided with a floating hole;
the anchor ingot is connected with the floater through an anchor chain; and
and the gravity anchor is connected with the anchor chain.
In one embodiment, the floating object comprises two floating bases and first buoys, and at least one first buoy is arranged between the two floating bases.
In one embodiment, the floating foundation comprises a second buoy and a connecting bracket, and a plurality of second buoys are connected through the connecting bracket to form the floating foundation integrally.
The multistage energy-consumption anti-collision interception net system and the anti-collision interception device thereof at least have the following advantages:
(1) when ship collision occurs, the arresting cable pulls the steel damping to deform and consume energy so as to consume energy for the first time for an out-of-control ship, then the arresting cable pulls the telescopic device to deform so as to achieve secondary energy consumption, finally the arresting net pulls the mooring anchor chain and the anchorage to walk for a large distance so as to consume energy for the third time, the safety of the bridge structure is guaranteed through the tertiary energy consumption, ship damage is reduced to the maximum extent, and the intercepting facility can be prevented from greatly reducing the intercepting effect due to the failure of a single component.
(2) The device can set a plurality of steel dampers on one arresting cable according to key factors such as the tonnage of a fortifying ship, the typical navigational speed of the ship and the like, and the steel dampers are connected in series to work so as to match the protection requirement.
(3) Can be according to the target of seting up a defence, through the quantity and the diameter of adjustment steel damping and the diameter and the quantity etc. of arresting rope, realize the diversified design of anticollision facility, satisfy the protection demand under the different grades of seting up a defence.
(4) The arresting device only needs to maintain and replace the steel damping part after the ship collision accident happens and the arresting device is damaged, and compared with the existing intercepting net device, underwater salvage and replacement of the arresting cable are omitted, maintenance cost is greatly reduced, and construction is convenient and rapid.
(5) The telescoping device can stretch out and draw back the arresting cable and reset, and the arresting cable has the ability of recovering the state before the boats and ships striking, and then makes the arresting facility have the ability of receiving the net fast and reduce the work load and the cost of maintenance of later maintenance and maintenance greatly after the ship bumps the accident and takes place.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings, which are required to be used in the embodiments, will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.
FIG. 1 is a schematic diagram of a multi-stage energy-consuming anti-collision interception net system arranged on the water surface in one embodiment;
FIG. 2 is a schematic structural diagram of the multi-stage energy-consuming anti-collision interception net system shown in FIG. 1;
FIG. 3 is a schematic diagram of the construction of the pontoon of FIG. 1;
FIG. 4 is a schematic view of the crash barrier of FIG. 2 mounted on a floating foundation;
FIG. 5 is a schematic view of the crash barrier of FIG. 2 mounted on a first buoy;
FIG. 6 is a schematic view of the crash barrier of FIG. 5;
fig. 7 is a structural schematic view of the steel damper of fig. 6.
Reference numerals:
10-floater, 12-floating base, 122-second buoy, 124-connecting bracket, 14-first buoy, 20-crashworthy arresting device, 21-upright post, 22-telescopic device, 222-fixed plate, 224-fixed plate, 226-damper, 23-arresting cable, 232-loose section, 234-arresting section, 24-steel damping, 242-energy-absorbing rod piece, 244-sleeve, 246-lug plate, 25-pulley, 30-anchor ingot and 40-gravity anchor.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather construed as embodying the utility model in accordance with the principles of the utility model.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
Referring to fig. 1 and 2, in an embodiment, the multistage energy-consuming anti-collision interception net system is mainly used for bridges in wide water areas, and under severe weather conditions such as typhoons and floods, direct impact of yaw and runaway ships on the bridges can be prevented, so that bridges and ships can be effectively protected, and the multistage energy-consuming anti-collision interception net system is suitable for ships with large and small tonnage. Specifically, the multi-stage energy-consumption anti-collision intercepting net system comprises a floating object 10, an anti-collision arresting device 20, an anchor 30 and a gravity anchor 40.
The float 10 is used to float on the surface of the water and the float 10 is used to carry other components of the overall system. In one embodiment, the floating object 10 includes two floating bases 12 and two first buoys 14, wherein at least one first buoy 14 is disposed between two floating bases 12. In the present embodiment, the number of the first buoys 14 is plural, and the plural first buoys 14 are arranged at intervals between the two buoys 14.
Referring to fig. 3, furthermore, the foundation 12 includes a second float 122 and a connecting bracket 124, and a plurality of second floats 122 are connected by the connecting bracket 124 to form the foundation 12. In this embodiment, the number of the second buoys 122 is four, and the four second buoys 122 are distributed in two rows and two columns. The first buoy 14 and the second buoy 122 are identical in structure, and wave dissipation nets are mounted on the surfaces of the first buoy 14 and the second buoy 122, so that the influence of wind waves on the buoys can be avoided. The single foundation 12 and second buoy 14 can be made integral in the manufacturing plant.
Referring to fig. 4 and 5, the anti-collision and blocking device 20 is disposed on the floating object 10, and the floating object 10 makes the anti-collision and blocking device 20 located on the water surface, so as to intercept the ship. In one embodiment, the crash barrier 20 includes a post 21, a telescoping device 22, a barrier cable 23, and a steel damper 24.
The upright 21 is mounted on the float 10. In this embodiment, the floating foundation 12 and the first pontoon 14 are each provided with a column 21, wherein the column 21 is provided on the connecting bracket 124 for the floating foundation 12. The telescopic device 22 is installed in the upright posts 21, and the arresting cable 23 is connected between two adjacent upright posts 21.
Referring to fig. 6, the arresting cable 23 includes a slack section 232 and an arresting section 234, wherein the arresting section 234 is connected to the slack section 232, the slack sections 232 are connected to both ends of the arresting section 234, the slack sections 232 pass through the upright posts 21 and extend into the upright posts 21 to be connected to the expansion device 22, and the expansion device 22 can stretch and pull the arresting cable 23 to return.
When the ship impacts the arresting cable 23, the telescopic device 22 of the arresting cable 23 is stretched, and after the impact is finished, the telescopic device 22 retracts to pull the arresting cable to reset. The arresting cable 23 has the capability of recovering the state before the ship is impacted, so that the arresting facility has the capability of rapidly collecting nets after the ship impact accident occurs, and the workload and the maintenance cost of later maintenance and repair are greatly reduced.
In one embodiment, the telescopic device 22 includes a fixed plate 222, a movable plate 224 and a damper 226. The fixed plate 222 is fixedly installed in the upright 21, and the movable plate 224 is slidably disposed in the upright 21. The damper 226 connects the fixed plate 222 and the elastic plate, and the slack section 232 penetrates into the column 21 and is connected to the movable plate 224. Wherein, when the ship strikes the arresting cable 23, the loose section 232 pulls the movable plate 224 to move, and the damper 226 is elongated. When the impact is finished, the damper 226 drives the movable plate 224 to reset, so that the arresting cable 23 is reset.
In one embodiment, the crash block 20 further comprises a pulley 25, the pulley 25 is rotatably mounted on the column 21, and the slack section 232 is connected to the movable plate 224 of the telescoping device 22 by passing around the pulley 25. The dampers 226 have a plurality of sets, and the plurality of sets of dampers 226 are symmetrically distributed about the center of the movable plate 224. The damper 226 may be a spring. Of course, the damper 226 may be other structures with elasticity, such as an elastic column. The arresting cables 23 are provided with a plurality of groups, the groups of arresting cables 23 are arranged at intervals along the axial direction of the upright post 21, and the groups of arresting cables 23 form an arresting net.
Referring also to fig. 7, one end of the steel damper 24 is connected to the column 21, and the other end of the steel damper 24 is connected to the arresting section 234, so that the steel damper 24 can be deformed under tension to dissipate energy. Specifically, the steel damper 24 includes an energy absorbing rod 242, a sleeve 244, and an ear plate 246. The energy absorbing rod 242 can be deformed in tension, and sleeves 244 are connected to the ends of the energy absorbing rod 242, and two sleeves 244 are connected to the two ends of the energy absorbing rod 242. The ear plates 246 are connected to the sleeve 244, and the two ear plates 246 connect the post 21 and the damming section 234, respectively.
In one embodiment, the energy-absorbing rod 242 is made of high-efficiency energy-absorbing alloy, and has a breaking strength of 550MPa and a breaking elongation of 70% or more. As a specific choice of the energy absorbing alloy in this embodiment, the energy absorbing alloys disclosed in patent application nos. CN202011235409.3, CN202011233176.3 and CN202011256564.3 can be used. Of course, other energy absorbing alloys used in the industry are possible, as long as they theoretically meet the basic strength requirements and greater elongation required in the present embodiment.
Referring again to fig. 2, an anchor 30 is connected to the float 10 by a chain, and a gravity anchor 40 is connected to the chain. In one embodiment, anchor pig 30 is connected to first buoy 14 or second buoy 122 via an anchor chain. Wherein the gravity anchor 40 improves the self-stability of the first buoy 14 and the floating foundation 12, and simultaneously improves the energy consumption capability of the interception net system.
The working process of the multistage energy-consumption anti-collision interception net system and the anti-collision interception device 20 thereof is specifically as follows:
after the ship impacts the arresting net, the arresting cable 23 pulls the energy absorption rod piece 242 of the steel damper 24 to deform and consume energy, and further energy is consumed for the first time for the runaway ship; after the steel damper 24 reaches the maximum deformation degree, the arresting cable 23 pulls the expansion device 22 in the upright post 21 to deform, so that secondary energy consumption is realized. And in the third stage, the arresting net drives the buoy to move, and drags the mooring anchor chain and the anchorage to walk away the anchor at a large distance to perform three-stage energy consumption, so that the effect of stopping the yawing ship is finally realized.
The multistage energy-consumption anti-collision interception net system and the anti-collision interception device 20 thereof ensure the safety of a bridge structure through three-stage energy consumption, and ensure that the interception effect is not greatly reduced due to the failure of a single component of an interception facility. The device can be according to key factors such as the tonnage of the ship of fortifying, typical navigational speed of ship, set up a plurality of steel dampings 24 on a arresting cable 23, the tandem work, through adjusting the quantity and diameter of steel dampings 24 and diameter and quantity of arresting rope etc., realize the diversified design of anticollision facility, meet the protection demand under the different fortification grades. After the arresting device is damaged due to a ship collision accident, only the steel damper 24 part needs to be maintained and replaced, the telescopic device 22 can stretch and pull the arresting cable 23 to reset, the arresting cable 23 has the capability of recovering the state before the ship collision, and then the arresting facility has the capability of quickly collecting nets after the ship collision accident occurs, so that the workload and the maintenance cost of later maintenance and repair are greatly reduced.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (10)
1. A crash barrier, comprising:
a column;
the telescopic device is arranged in the upright post;
the arresting cable is connected between two adjacent upright columns and comprises a loose section and an arresting section, the loose section is connected with the arresting section, the loose section penetrates through the upright columns and extends into the upright columns to be connected with the telescopic device, and the telescopic device can stretch and pull the arresting cable to reset; and
one end of the steel damper is connected with the upright post, the other end of the steel damper is connected with the arresting section, and the steel damper can be subjected to tensile deformation to dissipate energy.
2. The anti-collision arresting device according to claim 1, wherein the telescoping device comprises a fixed plate mounted within the upright, a movable plate slidably disposed within the upright, and a damper connecting the fixed plate and the movable plate, the slack section being connected with the movable plate.
3. The crash barrier as recited in claim 2, wherein the plurality of dampers have a plurality of sets of dampers, the plurality of sets of dampers being symmetrically distributed about a center of the movable plate.
4. The crash barrier of claim 2 wherein said damper is a spring.
5. The anti-collision arresting device according to claim 1, further comprising a pulley rotatably mounted on the post, the slack section being connected to the telescoping device by passing around the pulley.
6. The anti-collision arresting device according to claim 1, wherein the steel damper comprises an energy-absorbing rod, sleeves and ear plates, wherein the energy-absorbing rod can be deformed in a tensile manner, the sleeves are connected with the end parts of the energy-absorbing rod, the two sleeves are respectively connected with the two ends of the energy-absorbing rod, the ear plates are connected with the sleeves, and the two ear plates are respectively connected with the upright post and the arresting section.
7. The anti-collision arresting device according to claim 1, wherein the arresting cables are provided in a plurality of sets, the plurality of sets being spaced apart in an axial direction of the post.
8. A multi-stage energy-consumption anti-collision interception net system is characterized by comprising:
a float;
a crash barrier according to any one of claims 1 to 7 wherein posts are mounted on said float;
the anchor ingot is connected with the floater through an anchor chain; and
and the gravity anchor is connected with the anchor chain.
9. The multi-stage energy-consuming anti-collision interception net system according to claim 8, wherein said floating object comprises two floating bases and first buoys, at least one of said first buoys being disposed between two of said floating bases.
10. The multi-stage energy-consuming anti-collision interceptor system of claim 9, wherein the pontoon comprises a second pontoon and a connecting bracket, and a plurality of the second pontoons are connected by the connecting bracket to form the pontoon as a whole.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114960557A (en) * | 2022-06-14 | 2022-08-30 | 重庆交通大学 | Floating type ship collision prevention device with composite cylinder |
CN117864306A (en) * | 2024-03-04 | 2024-04-12 | 招商局重庆交通科研设计院有限公司 | Anti-drop anchor speed limiting device |
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2021
- 2021-08-13 CN CN202121903496.5U patent/CN215758852U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114960557A (en) * | 2022-06-14 | 2022-08-30 | 重庆交通大学 | Floating type ship collision prevention device with composite cylinder |
CN114960557B (en) * | 2022-06-14 | 2024-04-26 | 重庆交通大学 | Composite cylinder floating type ship collision preventing device |
CN117864306A (en) * | 2024-03-04 | 2024-04-12 | 招商局重庆交通科研设计院有限公司 | Anti-drop anchor speed limiting device |
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