Self-floating telescopic ship collision prevention device for variable cross-section bridge pier and mounting method of self-floating telescopic ship collision prevention device

Abstract

The invention provides a variable cross-section bridge pier self-floating telescopic ship collision prevention device and an installation method. The variable cross-section bridge pier self-floating telescopic ship collision prevention device comprises two C-shaped anti-collision bodies and a telescopic anti-collision body connected with the two C-shaped anti-collision bodies. The telescopic anti-collision device is characterized in that the telescopic anti-collision body comprises a fixed linear anti-collision body and a movable anti-collision body connected with the fixed linear anti-collision body through a sliding block, and one end of the sliding block is arranged in the fixed linear anti-collision body; a first self-adaptive telescopic mechanism and a second self-adaptive telescopic mechanism are arranged at the two ends of the fixed linear anti-collision body respectively, one end of the first self-adaptive telescopic mechanism is fixedly connected with the variable-section pier bearing platform, the other end of the first self-adaptive telescopic mechanism is connected with the sliding block, one end of the second self-adaptive telescopic mechanism is fixedly connected with the pier top, and the other end of the second self-adaptive telescopic mechanism is connected with the sliding block. According to the device and the method, external force can be applied to the ship collision prevention device to enable the ship collision prevention device to stretch out and draw back without depending on the bridge pier, and the ship collision prevention device is tightly matched with the outer wall of the variable-section bridge pier when floating up and down, so that the outer wall of the variable-section bridge pier is stably protected when the water level changes; damage caused by collision and friction between the outer wall of the variable-cross-section pier and the ship collision prevention device is avoided, failure of the telescopic mechanism is also prevented, and meanwhile the safety of the bridge is protected through buffering and energy absorption during ship-bridge collision.

Description

Technical Field

[0001] The present application relates to the field of bridge protection, and in particular to a self-floating telescopic anti-ship collision device for a variable-section bridge pier and an installation method thereof. Background Art

[0002] With the increasing development of my country's transportation industry, the number and scale of my country's cross-sea, cross-river and cross-river bridges have continued to rise, and the scale and size of water transport vessels have also become larger and larger. As a result, ship-bridge collision accidents occur frequently, and collision accidents can cause huge economic losses and personal safety issues. Therefore, it is necessary to construct anti-collision facilities for the piers of existing or newly built navigable rivers. At present, bridge anti-collision devices mainly use steel-clad composite material anti-collision facilities. The basic principle is based on energy absorption and momentum buffering, and is mainly divided into floating and fixed types.

[0003] Existing anti-ship collision facilities on bridge piers are all of fixed size and are usually only suitable for bridge piers with equal cross-sections, and are difficult to apply to large bridge piers with variable cross-sections and special shapes. When the water level rises or falls, the cross-section of the variable cross-section bridge pier exposed above the water surface changes accordingly, making the existing anti-ship collision facilities prone to rotation around the bridge pier, collision or jamming, etc., greatly reducing their protective effect. There are also telescopic anti-ship collision facilities that rely on the bridge pier itself to expand. Their size depends on the size of the bridge pier, but this will cause wear on the surface of the bridge pier, and the telescopic mechanism is prone to failure, posing a safety hazard to the bridge. Summary of the invention

[0004] The purpose of the present application is to provide a self-floating and telescopic ship-collision-proof device for variable-section bridge piers that can adapt to water level changes and has high safety, and an installation method thereof.

[0005] This application is implemented as follows: A self-floating telescopic anti-ship collision device for a variable-section bridge pier, comprising two C-shaped anti-collision bodies and a telescopic anti-collision body connected to the two C-shaped anti-collision bodies, characterized in that: the telescopic anti-collision body comprises a fixed linear anti-collision body and a movable anti-collision body connected to the fixed linear anti-collision body through a slider, one end of the slider is placed inside the fixed linear anti-collision body, a first adaptive telescopic mechanism and a second adaptive telescopic mechanism are respectively arranged at both ends of the fixed linear anti-collision body, one end of the first adaptive telescopic mechanism is fixedly connected to the variable-section bridge pier cap, and the other end is connected to the slider, and the second adaptive telescopic mechanism is connected to the slider. One end of the mechanism is fixedly connected to the top of the pier, and the other end is connected to the slider. When the water level rises, the self-floating telescopic anti-ship collision device of the variable-section pier floats upward with the water level, so that the first adaptive telescopic mechanism drives the slider to move in the direction of reducing the size of the telescopic anti-collision body, and the slider drives the second adaptive telescopic mechanism to move to adapt to the change in water level. When the water level drops, the self-floating telescopic anti-ship collision device of the variable-section pier floats downward with the water level, so that the second adaptive telescopic mechanism drives the slider to move in the direction of extending the size of the telescopic anti-collision body, and the slider drives the first adaptive telescopic mechanism to move to adapt to the change in water level.

[0006] According to the above technical scheme, the first adaptive telescopic mechanism and the second adaptive telescopic mechanism have the same structure, both of which include two drum shafts arranged in parallel inside the fixed linear anti-collision body, the two drum shafts are meshed by gears, a large drum and a small drum are respectively arranged on the two drum shafts, the wire rope wound on the large drum extends from the fixed linear anti-collision body and is connected to the corresponding fixed end, and the wire rope wound on the small drum is connected to the slider.

[0007] According to the above technical solution, the diameter ratio of the large drum and the small drum is the ratio of the maximum distance of the anti-ship collision device floating up and down with the water level to the maximum distance of the telescopic anti-collision body extending left and right.

[0008] According to the above technical solution, fender brackets are provided on the inner sides of the C-shaped anti-collision body and the retractable anti-collision body, and rubber fenders are provided on the fender brackets.

[0009] According to the above technical solution, the C-type anti-collision body includes a sealed cabin, and working cabins are respectively arranged at both ends of the sealed cabin, and the interior of the sealed cabin is completely filled with buffering energy-absorbing materials.

[0010] According to the above technical scheme, the fixed linear anti-collision body includes a working cabin, a sealing cabin, a first adaptive telescopic mechanism installation cabin, a telescopic cabin, and a second adaptive telescopic mechanism installation cabin which are arranged in sequence from one side to the other side. The top or bottom of the first adaptive telescopic mechanism installation cabin and the second adaptive telescopic mechanism installation cabin are respectively provided with wire rope threading holes.

[0011] According to the above technical solution, the slider is configured to roll with a support seat installed in the second adaptive telescopic mechanism installation chamber and the bottom surface of the telescopic chamber, which allows the slider to roll and retract.

[0012] According to the above technical solution, the mobile anti-collision body includes a sealed cabin, one end of which is connected to the working cabin, and the other end of which is connected to the sliding block.

[0013] According to the above technical solution, the other end of the slider is connected to an end plate, which is installed in the telescopic cabin and is respectively connected to the first adaptive telescopic mechanism installation cabin and the steel wire rope of the second adaptive telescopic mechanism.

[0014] A method for installing a floating telescopic anti-collision device for a variable-section bridge pier, characterized in that it comprises the following steps: Measure the outline dimensions of the bridge piers to determine the maximum distance that the anti-ship collision device can float up and down with the water level and the maximum distance that needs to be extended and retracted left and right, thereby determining the dimensions of each component of the anti-ship collision device; The anti-ship collision device is manufactured in sections in the factory and pre-assembled to test whether the section connection and telescopic movement of the anti-ship collision device meet the requirements; The anti-ship collision device is towed to the vicinity of the bridge pier by a tugboat, and the segments are connected to form a whole around the variable-section bridge pier; The steel wire rope of the first adaptive telescopic mechanism and one end of the telescopic rubber sealing sleeve are fixedly connected to the variable-section bridge pier cap, and the steel wire rope of the second adaptive telescopic mechanism and one end of the telescopic rubber sealing sleeve are fixedly connected to the variable-section bridge pier top.

[0015] The beneficial effects of this application are: 1. The present application provides a retractable anti-collision body, a first adaptive retractable mechanism and a second adaptive retractable mechanism. When the water level rises, the self-floating retractable anti-ship collision device of the variable-section pier floats upward with the water level, so that the first adaptive retractable mechanism drives the slider to move in the direction of reducing the size of the retractable anti-collision body, and the slider drives the second adaptive retractable mechanism to move to adapt to the change of the water level. When the water level drops, the self-floating retractable anti-ship collision device of the variable-section pier floats downward with the water level, so that the second adaptive retractable mechanism drives the slider to move in the direction of extending the size of the retractable anti-collision body, and the slider drives the first adaptive retractable mechanism to move to adapt to the change of the water level, so that the anti-ship collision device can be extended and retracted without relying on the pier itself, and the anti-ship collision device is closely matched with the outer wall of the variable-section pier when floating up and down, so as to ensure stable protection of the outer wall of the variable-section pier when the water level changes, avoid damage to the outer wall of the variable-section pier due to collision and friction with the anti-ship collision device, and prevent the failure of the retractable mechanism. At the same time, buffering and energy absorption protect the safety of the bridge when a ship-bridge collision occurs.

[0016] 2. The slider is configured with a support seat through a rolling mechanism, which makes the entire device more labor-saving to extend and retract, reduces wear and tear, and increases its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 A schematic diagram of the installation of a self-floating, telescopic, ship-collision-avoiding device for a variable-section bridge pier provided in an embodiment of the present invention.

[0019] Figure 2 A schematic diagram of the overall structure of a self-floating, telescopic ship-collision protection device for a variable-section bridge pier provided in an embodiment of the present invention.

[0020] Figure 3 A schematic diagram of the structure of a C-type anti-collision body provided in an embodiment of the present invention.

[0021] Figure 4 A schematic diagram of the structure of a fixed linear anti-collision body provided in an embodiment of the present invention.

[0022] Figure 5 A schematic diagram of a linear box structure provided in an embodiment of the present invention.

[0023] Figure 6 A schematic diagram of the structure of a mobile anti-collision body provided in an embodiment of the present invention.

[0024] Figure 7 A schematic diagram of a slider structure provided in an embodiment of the present invention.

[0025] Figure 8 This is a schematic structural diagram of a first adaptive telescopic mechanism provided in an embodiment of the present invention.

[0026] In the figure: 1. C-shaped anti-collision body; 2. Straight anti-collision body; 3. Telescopic mechanism; 4. Variable-section bridge pier; 5. Variable-section bridge pier cap; 6. Bridge pier top; 101, C-type box; 102, flange plate 1; 103, sealing plate 1; 104, working cabin 1; 105, flange stiffening plate 1; 106, manhole cover; 107, sealing cabin 1; 108, annular reinforcement rib 1; 109, axial reinforcement rib 1; 110, buffer energy absorbing material 1; 111, fender bracket 1; 112, rubber fender 1; 201, straight box; 202, slider box; 203, slider; 204, flange plate 2; 205, sealing plate 2; 206, working cabin 2; 207, flange stiffener plate 2; 208, sealed cabin 2; 209, annular stiffener 2; 210, axial stiffener 2; 211, buffer energy absorbing material 2; 212, fender bracket 2; 213, rubber fender 2; 214, end sealing plate; 215, slider through hole; 216, rubber sealing ring; 217, limit plate; 218, wire rope through hole; 219, baffle; 220, telescopic cabin; 221, support seat; 222, through hole; 22 3. Flange plate 3; 224. Sealing plate 3; 225. Working compartment 3; 226. Flange stiffening plate 3; 227. Sealing compartment 3; 228. Annular stiffener 3; 229. Axial stiffener 3; 230. Buffering energy absorbing material 3; 231. Fender bracket 3; 232. Rubber fender 3; 233. Buffering energy absorbing material 4; 234. End plate; 235. Slider shaft; 236. Bearing; 237. Rolling wheel; 238. Retractable rubber sealing cloth; 301. Reel shaft 1; 302, bearing 1; 303, bearing seat 1; 304, gear 1; 305, large drum 1; 306, small drum 1; 307, wire rope 1; 308, retractable rubber sealing sleeve 1; 309, wire rope 2; 310, drum shaft 2; 311, bearing 2; 312, bearing seat 2; 313, gear 2; 314, large drum 2; 315, small drum 2; 316, wire rope 3; 317, retractable rubber sealing sleeve 2; 318, wire rope 4. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0030] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0031] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0032] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0033] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0034] The features and performance of the present application are further described in detail below in conjunction with the embodiments.

[0035] The present embodiment provides a self-floating telescopic anti-ship collision device for a variable-section bridge pier, comprising two C-shaped anti-collision bodies 1 and a telescopic anti-collision body connected to the two C-shaped anti-collision bodies, wherein the telescopic anti-collision body comprises a fixed linear anti-collision body 3 and a movable anti-collision body 2 connected to the fixed linear anti-collision body via a slider, one end of the slider being placed inside the fixed linear anti-collision body 3, and a first adaptive telescopic mechanism and a second adaptive telescopic mechanism being respectively arranged at both ends of the fixed linear anti-collision body, one end of the first adaptive telescopic mechanism being fixedly connected to the variable-section bridge pier cap 5, and the other end being connected to the slider, and the second adaptive telescopic mechanism being fixedly connected to the variable-section bridge pier cap 5. One end of the telescopic mechanism is fixedly connected to the pier top 6, and the other end is connected to the slider. When the water level rises, the self-floating telescopic anti-ship collision device of the variable-section pier floats upward with the water level, so that the first adaptive telescopic mechanism drives the slider to move in the direction of reducing the size of the telescopic anti-collision body, and the slider drives the second adaptive telescopic mechanism to move to adapt to the change in water level. When the water level drops, the self-floating telescopic anti-ship collision device of the variable-section pier floats downward with the water level, so that the second adaptive telescopic mechanism drives the slider to move in the direction of extending the size of the telescopic anti-collision body, and the slider drives the first adaptive telescopic mechanism to move to adapt to the change in water level.

[0036] The inner sides of the C-shaped anti-collision body and the telescopic anti-collision body (the sides in contact with the variable-section bridge pier 4 ) are both provided with fender brackets 111 , and rubber fenders 112 are provided on the fender brackets.

[0037] In this embodiment, the C-type anti-collision body includes a sealed cabin 107, and working cabins 104 are respectively arranged at both ends of the sealed cabin, and the interior of the sealed cabin is completely filled with buffering energy-absorbing materials 110. Specifically, as shown in the figure, the C-type anti-collision body 1 includes a C-type box body 101 welded by steel plates, and a sealing plate 103 and a flange plate 102 are respectively arranged at both ends thereof, and the flange plate 102 and the sealing plate 103 and the space at one end of the C-type box body 101 enclose a working cabin 104, and a flange stiffening plate 105 is arranged in the working cabin 104, and a manhole cover 106 is arranged on the top of the working cabin 104. The two sealing plates 103 and the middle part of the C-type box body 101 form a sealed cabin 107, and an annular reinforcement rib 108 and an axial reinforcement rib 109 are arranged inside the sealed cabin 107, and the interior of the sealed cabin 107 is completely filled with buffering energy-absorbing materials 110.

[0038] In this embodiment, the fixed linear anti-collision body includes a working cabin 206, a sealing cabin 208, a first adaptive telescopic mechanism installation cabin, a telescopic cabin 220, and a second adaptive telescopic mechanism installation cabin, which are arranged in sequence from one side to the other side. Specifically, the fixed linear anti-collision body includes a linear box 201, and a sealing plate 205 and a flange plate 204 are arranged at one end of the linear box 201. The sealing plate 205, the flange plate 204 and one end of the linear box 201 are enclosed to form a working cabin 206, and a flange stiffening plate 207 is arranged inside the working cabin 206. The sealing plate 205 and the linear box 201 form a sealed cabin 208, and an annular reinforcement rib 209 and an axial reinforcement rib 210 are arranged inside the sealed cabin 208, and the inside of the sealed cabin 208 is completely filled with buffer energy absorbing material 211. An end sealing plate 214 is provided at the other end of the linear box 201, and a slider through hole 215 is provided on the end sealing plate 214, and a rubber sealing ring 216 is provided around the slider through hole 215. A limit plate 217 is provided inside the linear box 201, and a wire rope through hole 218 is provided on it. A baffle 219 is provided inside the linear box 201, which is separated from the limit plate 217 by a maximum telescopic distance, and a telescopic chamber 220 is formed between the limit plate 217 and the baffle 219. A support seat 221 for the slider 203 to telescope and roll is provided on the bottom surface of the linear box 201, and through holes 222 are provided at the top and bottom of the linear box 201 respectively corresponding to the positions where the wire rope passes through. A fender bracket 212 is provided on the contact side of the linear box 201 with the variable-section bridge pier 4, and a rubber fender 213 is provided on the fender bracket 212. The mobile anti-collision body includes a sealed cabin 227, one end of which is connected to the working cabin 225, and the other end is connected to the slider 203. Specifically, as shown in the figure, the mobile anti-collision body includes a mobile anti-collision box 202, and the mobile anti-collision box 202 is provided with a sealing plate 224 and a flange plate 223. The sealing plate 224, the flange plate 223 and one end of the mobile anti-collision box 202 form a working cabin 225, and a flange stiffening plate 226 is provided inside the working cabin 225. The sealing plate 224 and the mobile anti-collision box 202 form a sealed cabin 227, and the sealed cabin 227 is provided with annular reinforcement ribs 228 and axial reinforcement ribs 229. The sealed cabin 227 is completely filled with buffering energy-absorbing material 230. A fender bracket 231 is provided on the contact side of the mobile anti-collision box 202 with the variable-section bridge pier 4, and a rubber fender 232 is provided on the fender bracket 231. The interior of the slider 203 is completely filled with buffering energy-absorbing material 233. One end of the slider 203 is fixedly connected to the mobile anti-collision box 202, and the other end is connected to an end plate 234. The end plate 234 is installed in the telescopic chamber 220. When the anti-collision hull of the present invention floats up and down, the end plate 234 is configured in the telescopic chamber 220 to move left and right, thereby driving the slider 203 to move left and right on the slider through hole 215. The slider 203 is provided with a rolling wheel to change its sliding to left and right rolling. Specifically, as shown in the figure, a slider shaft 235 is provided at one end of the slider, and bearings 236 are provided at both ends of the slider shaft 235. A rolling wheel 237 is provided on the bearing 236, and the rolling wheel 237 is configured to move on the support seat 221. The slider is configured with the support seat through a rolling mechanism, so that the entire device can be telescoped more labor-saving, reduce wear, and increase its service life.

[0039] The first adaptive telescopic mechanism and the second adaptive telescopic mechanism have the same structure, both comprising two drum shafts arranged in parallel inside the fixed linear anti-collision body, the two drum shafts being meshed by gears, a large drum and a small drum being respectively arranged on the two drum shafts, a steel wire rope wound on the large drum extending from the fixed linear anti-collision body and connected to the corresponding fixed end, and a steel wire rope wound on the small drum being connected to the slider.

[0040] Specifically, as shown in the figure, the first adaptive telescopic mechanism is arranged on the bottom surface of the first adaptive telescopic mechanism installation chamber in the linear box 201, including two parallel drum shafts 301, bearings 302 are respectively arranged at the ends of the drum shafts 301, bearing seats 303 are arranged on the bearings 302, and the bearing seats 303 are connected to the bottom surface in the linear box 201, and gears 304 are respectively arranged in the middle of each drum shaft 301, and the two gears 304 are meshed with each other. A large drum 305 and a small drum 306 are respectively arranged on the two drum shafts 301, and the diameter ratio of the large drum 305 to the small drum 306 is 4. The anti-ship collision device floats up and down with the water level. A steel wire rope 307 is wound around the large drum 305, one end of which is fixedly connected to the large drum 305, and the other end passes through the through hole 222 set at the bottom of the linear box 201 and is fixedly connected to the variable-section pier cap. A retractable rubber sealing sleeve 308 is connected between the bottom of the linear box 201 and the variable-section pier cap to wrap and seal the exposed steel wire rope 307. A steel wire rope 309 is wound around the small drum 306, one end of which is fixedly connected to the small drum 306, and the other end passes through the steel wire rope through hole 218 set on the limit plate 217 and is fixedly connected to the end plate 234 set at the end of the slider 203.

[0041] The second adaptive telescopic mechanism is arranged on the top surface of the second adaptive telescopic mechanism installation cabin in the linear box 201, including two parallel drum shafts 310, each drum shaft 310 end is respectively provided with a bearing 311, a bearing seat 312 is arranged on the bearing 311, the bearing seat 312 is connected to the top surface in the linear box 201, and a gear 313 is respectively arranged in the middle of the two drum shafts 310, and the two gears 313 are meshed with each other. A large drum 314 and a small drum 315 are respectively arranged on the two drum shafts 310, and the diameter ratio of the large drum 314 and the small drum 315 is to prevent ship collision. The ratio of the maximum distance that the device floats up and down with the water level to the maximum distance that needs to be extended and retracted left and right, a steel wire rope 316 is wound around the large drum 314, one end of which is fixedly connected to the large drum 314, and the other end passes through the through hole 222 set at the top of the linear box 201 and is fixedly connected to the top of the variable-section bridge pier, a retractable rubber sealing sleeve 317 is connected between the top of the linear box 201 and the top of the variable-section bridge pier to wrap and seal the exposed steel wire rope 316, and a steel wire rope 318 is wound around the small drum 315, one end of which is fixedly connected to the small drum 315, and the other end is fixedly connected to the end plate 234 set at the end of the slider 203.

[0042] In this embodiment, a retractable rubber sealing cloth 238 is provided between the two ends of the linear box 201 and the movable anti-collision box 202 to prevent debris from entering the linear anti-collision body.

[0043] The two ends of the two C-shaped anti-collision bodies 1 are respectively connected to the two end flange plates of the two telescopic anti-collision bodies by bolts, and are surrounded around the variable-section bridge pier 4. The variable-section bridge pier self-floating telescopic anti-ship collision device floats up and down with the change of water level, driving the first and second adaptive telescopic mechanisms to move, thereby making the slider 203 and the mobile anti-collision box 202 move relative to the linear box 201 at the same time, and the anti-ship collision device will expand and contract with the water level to make the size change and closely match the outer wall of the variable-section bridge pier 4.

[0044] The present application also provides a method for a variable-section bridge pier self-floating telescopic anti-ship collision device, which comprises the following steps: (1) Measure the outline dimensions of the bridge piers to determine the maximum distance that the anti-ship collision device can float up and down with the water level and the maximum distance that needs to be extended and retracted left and right, thereby determining the dimensions of each component of the anti-ship collision device; (2) The anti-ship collision device is manufactured in sections in the factory. After passing the inspection, the anti-corrosion coating is applied to the outer surface, and pre-assembly is performed to test whether the section connection and telescopic movement of the anti-ship collision device meet the requirements; (3) Transport the anti-ship collision device to the construction site in sections and launch it into the water using a truck crane; (4) Use a tugboat to tow the anti-collision device to the vicinity of the bridge pier, connect the bolts between the segments, and connect the segments of the anti-collision device into a whole around the variable-section bridge pier; (5) The steel wire rope 1 and one end of the retractable rubber sealing sleeve 1 are fixedly connected to the variable-section bridge pier cap, and the steel wire rope 3 and one end of the retractable rubber sealing sleeve 2 are fixedly connected to the variable-section bridge pier top.

[0045] When the water level rises, the self-floating telescopic anti-ship collision device of the variable-section pier floats upward with the water level. One end of the wire rope 307 is tensioned due to the fixed connection with the variable-section pier foundation. The wire rope 307 wrapped around the large drum 1305 will release the rope to drive the large drum 305 to rotate, thereby causing the two meshing gears 304 to rotate relative to each other, driving the small drum 306 to rotate, so that the wire rope 309 is wound around the small drum 306 and the rope is collected, driving the end plate 234 to which one end of the wire rope 309 is fixed to move in the telescopic cabin 220. The steel wire rope 318 fixed to the end plate 234 is tensioned and stressed due to the movement of the end plate 234. The steel wire rope 318 wound on the small drum 315 will release the rope to drive the small drum 315 to rotate, thereby causing the two meshing gears 313 to rotate relative to each other, driving the large drum 314 to rotate. Since one end of the steel wire rope 316 is fixed to the top of the pier and the steel wire rope 316 is not stressed during floating, the steel wire rope 316 is wound around the large drum 314 to collect the rope. The movement of the end plate 234 in the telescopic cabin 220 drives the slider 203 to move, causing the rolling wheel 237 to roll on the support seat 221. The variable-section bridge pier self-floating telescopic anti-ship collision device will shrink in size while floating upward to adapt to the change in the cross-sectional size of the variable-section bridge pier 4.

[0046] When the water level drops, the self-floating telescopic anti-ship collision device of the variable-section pier floats downward with the water level. One end of the wire rope 316 is tensioned due to its fixed connection with the top of the variable-section pier. The wire rope 316 wound on the large drum 314 will release the rope to drive the large drum 314 to rotate, thereby causing the two meshing gears 313 to rotate relative to each other, driving the small drum 315 to rotate, so that the wire rope 318 is wound around the small drum 315 and collected, driving the end plate 234 to which one end of the wire rope 318 is fixed to move in the telescopic cabin 220. The steel wire rope 309 fixed to the end plate 234 is tensioned and stressed due to the movement of the end plate 234. The steel wire rope 309 wound on the small drum 306 will release the rope to drive the small drum 306 to rotate, thereby causing the two meshing gears 304 to rotate relative to each other, driving the large drum 305 to rotate. Since one end of the steel wire rope 307 is fixed to the bridge pier cap, and the steel wire rope 307 is not stressed during floating, the steel wire rope 307 is wound around the large drum 305 to collect the rope. The movement of the end plate 234 in the telescopic cabin 220 drives the slider 203 to move, causing the rolling wheel 237 to roll on the support seat 221. The variable-section bridge pier self-floating telescopic anti-ship collision device will expand in size while floating downward to adapt to the change in the cross-sectional size of the variable-section bridge pier 4.

[0047] The present application provides a retractable anti-collision body, a first adaptive retractable mechanism and a second adaptive retractable mechanism. When the water level rises, the self-floating retractable anti-ship collision device of the variable-section bridge pier floats upward with the water level, so that the first adaptive retractable mechanism drives the slider to move in the direction of reducing the size of the retractable anti-collision body, and the slider drives the second adaptive retractable mechanism to move to adapt to the change of the water level. When the water level drops, the self-floating retractable anti-ship collision device of the variable-section bridge pier floats downward with the water level, so that the second adaptive retractable mechanism drives the slider to move in the direction of extending the size of the retractable anti-collision body, and the slider drives the first adaptive retractable mechanism to move to adapt to the change of the water level, so that the anti-ship collision device can be extended and retracted without relying on the pier itself, and the anti-ship collision device closely cooperates with the outer wall of the variable-section bridge pier when floating up and down, thereby ensuring stable protection of the outer wall of the variable-section bridge pier when the water level changes, avoiding damage to the outer wall of the variable-section bridge pier due to collision and friction with the anti-ship collision device, and preventing the failure of the retractable mechanism. At the same time, buffering and absorbing energy protect the safety of the bridge when a ship-bridge collision occurs.

[0048] The embodiments described above are part of the embodiments of the present application, rather than all of the embodiments. The detailed description of the embodiments of the present application is not intended to limit the scope of the present application for protection, but merely represents the selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present application.

Claims

1. A self-floating telescopic anti-ship collision device for a variable-section bridge pier, comprising two C-shaped anti-collision bodies and a telescopic anti-collision body connected to the two C-shaped anti-collision bodies, characterized in that: The telescopic anti-collision body comprises a fixed linear anti-collision body and a movable anti-collision body connected to the fixed linear anti-collision body by a slider, one end of the slider is placed inside the fixed linear anti-collision body, and a first adaptive telescopic mechanism and a second adaptive telescopic mechanism are respectively arranged at both ends of the fixed linear anti-collision body, one end of the first adaptive telescopic mechanism is fixedly connected to the variable-section bridge pier cap, and the other end is connected to the slider, one end of the second adaptive telescopic mechanism is fixedly connected to the pier top, and the other end is connected to the slider, when the water level rises, the variable-section bridge pier self-floating telescopic anti-ship collision device floats upward with the water level, so that the first adaptive telescopic mechanism drives the slider to move in the direction of reducing the size of the telescopic anti-collision body, and the slider drives the second adaptive telescopic mechanism to move to adapt to the change of the water level, when the water level drops, the variable-section bridge pier self-floating telescopic anti-ship collision device floats downward with the water level, so that the second adaptive telescopic mechanism drives the slider to move in the direction of extending the size of the telescopic anti-collision body, and the slider drives the first adaptive telescopic mechanism to move to adapt to the change of the water level.

2. The variable cross-section bridge pier self-floating telescopic anti-ship collision device according to claim 1 is characterized in that: The first adaptive telescopic mechanism and the second adaptive telescopic mechanism have the same structure, both comprising two drum shafts arranged in parallel inside the fixed linear anti-collision body, the two drum shafts being meshed by gears, a large drum and a small drum being respectively arranged on the two drum shafts, a steel wire rope wound on the large drum extending from the fixed linear anti-collision body and connected to the corresponding fixed end, and a steel wire rope wound on the small drum being connected to the slider.

3. The variable cross-section bridge pier self-floating telescopic anti-ship collision device according to claim 2 is characterized in that: The diameter ratio of the large drum and the small drum is the ratio of the maximum distance of the anti-ship collision device floating up and down with the water level to the maximum distance of the telescopic anti-collision body extending left and right.

4. The variable cross-section bridge pier self-floating telescopic anti-ship collision device according to claim 2 is characterized by: The inner sides of the C-shaped anti-collision body and the telescopic anti-collision body are both provided with fender brackets, and the fender brackets are provided with rubber fenders.

5. The variable cross-section bridge pier self-floating telescopic anti-ship collision device according to claim 1 or 2, characterized in that: The C-type anti-collision body comprises a sealed cabin, and working cabins are respectively arranged at both ends of the sealed cabin, and the interior of the sealed cabin is completely filled with buffering energy-absorbing materials.

6. The variable cross-section bridge pier self-floating telescopic anti-ship collision device according to claim 2 is characterized by: The fixed linear anti-collision body includes a working cabin, a sealing cabin, a first adaptive telescopic mechanism installation cabin, a telescopic cabin, and a second adaptive telescopic mechanism installation cabin which are arranged in sequence from one side to the other side. The top or bottom of the first adaptive telescopic mechanism installation cabin and the second adaptive telescopic mechanism installation cabin are respectively provided with wire rope threading holes.

7. The variable cross-section bridge pier self-floating telescopic anti-ship collision device according to claim 6 is characterized by: The slider is configured to roll with a support seat arranged on the bottom surface of the inner part of the second adaptive telescopic mechanism installation chamber and the telescopic chamber through a rolling wheel and the support seat for the slider to roll and telescope.

8. The variable cross-section bridge pier self-floating telescopic anti-ship collision device according to claim 2 is characterized by: The mobile anti-collision body comprises a sealed cabin, one end of which is connected to the working cabin, and the other end of which is connected to the sliding block.

9. The variable cross-section bridge pier self-floating telescopic anti-ship collision device according to claim 2 is characterized by: The other end of the slider is connected with an end plate, which is installed in the telescopic cabin and is respectively connected with the first adaptive telescopic mechanism installation cabin and the steel wire rope of the second adaptive telescopic mechanism.

10. The method for installing a floating telescopic anti-collision device for a variable-section bridge pier according to any one of claims 1 to 9, characterized in that: It includes the following steps: 1) Measure the outline dimensions of the bridge piers, determine the maximum distance that the anti-ship collision device can float up and down with the water level, and the maximum distance that needs to be extended and retracted left and right, so as to determine the dimensions of each component of the anti-ship collision device; 2) The anti-ship collision device is manufactured in sections in the factory and pre-assembled to test whether the section connection and telescopic movement of the anti-ship collision device meet the requirements; 3) Use a tugboat to tow the anti-collision device to the vicinity of the bridge pier, connect the segments, and connect the segments of the anti-collision device into a whole around the variable-section bridge pier; 4) The steel wire rope of the first adaptive telescopic mechanism and one end of the telescopic rubber sealing sleeve are fixedly connected to the variable-section bridge pier cap, and the steel wire rope of the second adaptive telescopic mechanism and one end of the telescopic rubber sealing sleeve are fixedly connected to the variable-section bridge pier top.

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