Patents
Literature
163 results about "Pontoon bridge" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
A pontoon bridge (or ponton bridge), also known as a floating bridge, uses floats or shallow-draft boats to support a continuous deck for pedestrian and vehicle travel. The buoyancy of the supports limits the maximum load they can carry.
Floating incremental launching and assembling method for floating bridge
PCT designated stage expiredWO2025145624A1Bridge erection/assemblyFloating bridgesJackscrewPontoon bridge
A floating incremental launching and assembling method for a floating bridge, comprising the following steps: erecting an assembly jig (2) on land near the water; assembling a front-half main girder section (10) on the assembly jig (2); incrementally launching the front-half main girder section (10) forward until the front portion of the front-half main girder section (10) is suspended in the air; supporting the front end of the front-half main girder section (10) by using a temporary floating pier (3); continuing to incrementally launch the front-half main girder section (10) forward until a first pier column head (120) is exposed out of a lower step (20) of the assembly jig (2); completing mounting of a first permanent floating pier (1A); assembling a rear-half main girder section (10') on the assembly jig (2); incrementally launching the rear-half main girder section (10') forward until the position of a second pier column head (120) is exposed out of the lower step (20); completing mounting of a second permanent floating pier (1A'); continuing to incrementally launch the rear-half main girder section (10') forward until the tail portion of the rear-half main girder section (10') reaches the lower step (20); and lowering a step jack (29), such that the tail portion of the rear-half main girder section (10') is completely separated from the step jack (29).
Owner:CCCC THIRD HARBOR ENGINEERING CO LTD
Tension leg type offshore wind power platform and tendon dynamic balance adjusting method
The invention discloses a tension leg type offshore wind power platform and a tendon dynamic balance adjusting method.The wind power platform comprises a center stand column, side buoys, a floating bridge and tendons, a plurality of ballast tanks are arranged in the floating bridge and the side buoys, and a plurality of emergency water inlets are formed in the bottom of the floating bridge and the tops and the bottoms of the side buoys; a ballast tank communicating opening which can be selectively communicated with the buoy ballast tank is formed in the lower part of the floating bridge ballast tank close to the buoy; and a ballast system is arranged in each ballast tank, and the ballast systems can be used for carrying out pressure discharge on the ballast tanks or selectively transferring water in any ballast tank to other ballast tanks. The internal ballast can be selectively adjusted through a natural flowing mode and / or a mechanical mode based on the tendon tension, the tendon failure position and the tendon failure number can be judged, an emergency control strategy is formulated according to the tendon failure condition, the service life of a mooring system is prolonged, and the safety of the mooring system is improved. And the self-storage performance of the tension leg platform can be improved when the mooring system breaks down.
Owner:HARBIN ENG UNIV +1
Pontoon platform supported solar voltaic system
A floating solar photovoltaic system and a method for cooling a back surface of a photovoltaic panel are described. The floating solar photovoltaic system includes a rectangular float having a divided top platform and four interconnected walls, and a cross-shaped support configured to fit between the walls and holding four pontoons within openings formed thereby. An anchoring system maintains positional stability using concrete blocks interconnected by plastic-coated stainless-steel wires. A bi-facial solar photovoltaic panel is supported by the cross-shaped support, upon triangular braces, to generate electrical power from solar radiation. A waterproof control panel cabinet is also supported with the cross-shaped support. The floating solar photovoltaic system implements environmental monitoring through temperature and irradiance sensors, with data collection and wireless transmission capabilities. An integrated power management system enables both energy storage and transmission through a maximum power point tracking converter.
Owner:KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
Overall construction process for floating bridge
PCT designated stage expiredWO2025145509A1Bridge erection/assemblyFloating bridgesMooring systemSuction force
Disclosed in the present invention is an overall construction process for a floating bridge. The process comprises: procedure I, in which a plurality of floating bridge sections are assembled on a water surface, with each floating bridge section being assembled by welding; procedure II, in which the plurality of floating bridge sections are assembled into a floating bridge body; procedure III, in which a shore connection cable-stayed bridge, a bridge abutment, and a suction anchor of a mooring system are constructed; procedure IV, in which a shore-side end of a floating bridge transition section is connected to a water-side end of the bridge abutment; procedure V, in which one end of the floating bridge body is connected to a water-side end of the floating bridge transition section; procedure VI, in which the other end of the floating bridge body is connected to a water-side end of the shore connection cable-stayed bridge; and procedure VII, in which the floating bridge body is connected to the mooring system. In the procedures IV and V, the cooperation of four winches and four cable piles and the guide of a guide mechanism are used; and in the procedure VI, the cooperation of the four winches and the four cable piles is used. The present invention can effectively ensure smooth and safe transition between two ends of a floating bridge column body and a shore connection structure.
Owner:CCCC THIRD HARBOR ENGINEERING CO LTD
Self-adaptive water floating bridge
The utility model provides a self-adaptive water floating bridge, and relates to the technical field of water floating bridges, the self-adaptive water floating bridge comprises a water floating bridge structure and a shoreside approach bridge structure, the water floating bridge structure comprises a water floating bridge, a carriage, a slide rail and a pulley; the shoreside approach bridge structure comprises a sliding approach bridge, large roller components are arranged at two corners of one end of the sliding approach bridge, each large roller component comprises a wheel, one side of each of two ends of each wheel is in rolling connection with a connecting arm, the top of each wheel is connected with an erecting seat through a shaft, and a first bearing is in interference fit with the interior of one end of each erecting seat; according to the technical scheme, a connecting arm on a large roller component extends to the inner side of a sliding rail fixed to a concrete ladder stand through an embedded steel part, the sliding rail, a sliding frame and a pulley are arranged at the two ends of the underwater floating bridge and between the two sliding approach bridges, and when the sliding approach bridges and the underwater floating bridge move along with lifting of the water level, the large roller component can move along with the sliding approach bridges. The two sliding approach bridges are controlled to be close to or far away from each other to automatically adapt to the river width without manual operation.
Owner:陈菲
Sea floating bridge or floating breakwater connecting block
The invention provides a marine floating bridge or floating breakwater connecting block. The marine floating bridge or floating breakwater connecting block comprises a connecting block body; in the longitudinal direction, the upper end and the lower end of the connecting block body are each connected with a limiting plate. In the left-right direction, the connecting cable penetrates through the connecting block body and protrudes out of the left side and the right side of the connecting block body, the connecting cable is fixed to the interior of the connecting block body, and the left end and the right end of the connecting cable are each connected with a seaborne floating bridge. The side face of the seaborne floating bridge or the floating breakwater is provided with a concave connecting hole, a connecting bolt rod is arranged in the connecting hole, and the connecting cable is connected with the connecting bolt rod after being inserted into the connecting hole. The rubber cylinders are arranged between the floating bridges, energy generated by wave impact is absorbed through elastic deformation of rubber, collision and extrusion between the floating bridges are effectively reduced, the risk that a concrete structure of the floating bridge or a floating breakwater is damaged is reduced, and the stability and safety of the floating bridge under the severe sea condition are remarkably improved.
Owner:QINHUANGDAO XINYIN OCEAN TECHNOLOGY CO LTD
Composite fabric reinforced high-pressure air rib floating bridge and preparation method thereof
ActiveCN121183662ALamination ancillary operationsSynthetic resin layered productsFiberWeather resistance
The invention relates to the technical field of bridges, and discloses a composite fabric reinforced high-pressure air rib floating bridge and a preparation method thereof. The floating bridge comprises high-pressure air ribs which are arranged in parallel, a connecting unit and an inflating part; the high-pressure air rib comprises an airtight inner film layer, a compound fabric reinforcing layer and a weather-proof outer film layer from inside to outside, and the compound fabric reinforcing layer is formed by compounding a ternary hybrid fiber fabric and bio-based modified polyurethane resin. The preparation method comprises the following steps: preparing the airtight inner film layer, preparing the prepreg of the composite fabric reinforcing layer, preparing the high-pressure air rib, and assembling and forming. According to the floating bridge, through integrated optimization of the structure, the material and the process, the performance defects of an existing air rib floating bridge are overcome, and the floating bridge has the advantages of being high in mechanical property, excellent in weather resistance, good in air tightness, environmentally friendly and stable in process and can meet the use requirements in complex scenes.
Owner:SUNING ZHONGYUAN TEXTILE CO LTD
System for handling marine or underwater drones by floating pontoon with removable drone interface module, adapted ship
The invention relates to a system (1, 2) (1, 4) for handling marine (3) or underwater (5) drones, the system (1, 2) (1, 4) comprising a drone interface module (2, 4) and a floating pontoon (1) with two hulls (11) and an arch (10), the pontoon (1) is catamaran-shaped and delimits a downflooded reception space (17), the arch (10) comprises at least one device (12) for attachment to a winch cable, the pontoon (1) comprises devices (13) for detachable attachment to a drone interface module (2, 4) detachably and interchangeably installed in the receiving space (17), the drone interface modules (2, 4) forming an at least partially flooded docking area (23, 42) for the drone (3, 5), the drone interface modules (2, 4) have a lower portion (22, 43) configured to rest stably on a flat surface after the drone interface module (2, 4) has been removed from the pontoon (1).
Owner:EXAIL
Hydraulic floating bridge ontology-free data reliability analysis method based on time sequence decoupling network and Bayesian network
The invention provides a hydraulic floating bridge ontology-free data reliability analysis method based on a time sequence decoupling network and a Bayesian network, and relates to the technical field of hydraulic floating bridges. Comprising the steps of determining source domain equipment according to a bill of material and a structure diagram of a target hydraulic floating bridge; determining a standardized time sequence monitoring data set of the source domain equipment; training a time sequence decoupling network by using the standardized time sequence monitoring data set to obtain a health probability data set of each key component of the target hydraulic floating bridge; inputting the health probability data set into a four-layer Bayesian network, and recursively calculating the posterior failure probability of each layer from bottom to top by adopting a belief propagation algorithm to obtain failure probability data and posterior probability distribution data; and performing risk assessment according to the failure probability data and the posterior probability distribution data to obtain a risk assessment result. The technical problems that in the prior art, data scarcity and model island exist in operation and maintenance of a hydraulic floating bridge and similar equipment, and reliability evaluation cannot be carried out are solved.
Owner:COMPREHENSIVE TECH & ECONOMIC RES INST OF CHINA STATE SHIPBUILDING CORP +1
Marine floating bridge floating island module
The invention relates to the field of marine floating bridges, and discloses a marine floating bridge floating island module which comprises a seabed pile foundation, the side wall of the top end of the seabed pile foundation is sleeved with a lifting lug a through a cable a, the surface of the top end of the seabed pile foundation is sleeved with a lifting lug b through a cable b, and floating bridge mechanisms are arranged on the surfaces of the lifting lug b and the lifting lug a. The platform can be quickly built at positions such as the sea surface so as to cope with different use environments. A storm-resistant stable system is constructed through a semi-cylindrical structure, a two-way mooring rope and gravity center adjustment, the curved surface contour of a semi-cylindrical floating plate can guide waves to flow along the side face of a plate body, front impact is avoided, wave impact force is dispersed, and the transverse swing angle is controlled within 5 degrees; the seabed pile foundation forms pull-down and side-pull two-way fixation through the mooring rope a and the mooring rope b, vertical movement is limited, horizontal drifting is restrained, and the module is prevented from being separated from a preset area; the gravity center of the sealed clean water bags in the water storage cavity can be flexibly adjusted by increasing and decreasing the number.
Owner:李 凯元
Method for manually adjusting length of reservoir area and wind area and reducing dam crest superelevation and floating bridge
The invention discloses a method for manually adjusting the length of a wind area of a reservoir area and reducing the height of a dam crest and a floating bridge, the floating bridge is arranged on the upstream of a dam of the reservoir area, and the floating bridge is used for shortening the effective length of the wind area so as to reduce the height of the dam crest. Anchoring devices are arranged at the two ends of the floating bridge, and the floating bridge is fixed to bank slopes or islands on the two sides of a reservoir area through the anchoring devices. According to the method, wave conduction in the reservoir area, wave absorption and breaking, manual regulation and control and wind area length reduction can be actively intervened, and the situation that wave conduction in the larger wind area length causes larger wave climbing and wind congestion water surface height is avoided, so that the dam crest superelevation is reduced, and the concrete work amount or earth and stone filling work amount caused by the dam crest superelevation to a larger extent is avoided.
Owner:CHANGJIANG SURVEY PLANNING DESIGN & RES CO LTD
An assembled boat handling machine hanger machine for a boat bridge and an assembling method thereof
This invention discloses a modular boat handling machine frame for pontoon bridges and its assembly method. The machine includes a base with a hollowed-out groove in the center. Support components are symmetrically fixedly connected to the perimeter of the hollowed-out groove. Adjusting columns are symmetrically and movably connected to the left and right sides of the top back of the base. Adjusting rods are symmetrically and rotatably connected to the left and right sides of the base. Connecting columns are movably connected to opposite sides of the inner cavities of two first mounting brackets. Protective plates are symmetrically and movably connected to the front and back of the frame body's inner cavity. Limiting blocks are symmetrically and movably connected to the left and right sides of the bottom of the top plate. This modular boat handling machine frame for pontoon bridges and its assembly method are easy to install. The adjusting columns are connected to the base via connecting seats and first bolts. The frame body is connected to the first mounting brackets via second mounting brackets and third bolts. The overall structure is simple, easy to assemble, convenient to carry, and does not take up much space when stored.
Owner:ARMY ENG UNIV OF PLA
Floating bridge structure
A floating bridge structure, characterized in that the floating bridge structure comprises: a main bridge section above a waterway, an approach bridge section connecting the end of the main bridge section to the land, and a ship lock in the middle of the waterway and below the main bridge section; wherein the main bridge section comprises a plurality of first support structures arranged at intervals along the width direction of the waterway, and a floating box support platform having a first box girder arranged on top of the plurality of first support structures; wherein the approach bridge section comprises a second support structure arranged along the width direction of the waterway and a second box girder arranged on top of the second support structure;wherein the ends of the first box girder and the second box girder are connected to each other and the bridge deck is laid on top of the first box girder and the second box girder;wherein the ship lock is located between the first support structures on either side of the symmetrical center of the main bridge section;a first anchoring component and a second anchoring component distributed under the main bridge section and used to anchor the main bridge section and the ship lock;
Owner:CCCC THIRD HARBOR ENGINEERING CO LTD +1
Pontoon boat with below deck speakers
PendingUS20250289536A1Cabin furnitureHulls from prefabricated subunitsPontoon bridgeMechanical engineering
A boat includes plurality of hulls. The boat may be a pontoon boat and the plurality of hulls may be a plurality of pontoons. A channel is defined between two hulls of the plurality of hulls. The boat includes a speaker positioned to direct sound emanating from the speaker into the channel. The speaker may be a subwoofer.
Owner:EKERN DAVID F +4
Anti-falling handrail for sunshine plank road
The utility model relates to the field of sunshine plank road handrails, in particular to a sunshine plank road anti-falling handrail which comprises two handrails, two rows of side baffles and two bent bridge railings, the bent bridge railings are fixedly installed on the two sides of a floating bridge installation plate, and the two handrails are fixedly installed on the tops of the two bent bridge railings respectively. According to the sunshine plank road anti-falling handrail, the side baffles are additionally arranged on the basis of an original handrail, the risk that gaps are formed between the bent bridge railings and the wooden bridge plate is blocked, and therefore the sunshine plank road anti-falling handrail is convenient to use. And the side baffles are of a rotatable structure, so that the side baffles can be suitable for a shaking plank road, and the handrail can achieve the effect of preventing articles from falling into water. And the side baffles are of structures convenient to disassemble and assemble and can be directly added on an existing sunshine plank road handrail, and the application environment is improved.
Owner:NANJING ZIDONG INVESTMENT DEV GRP CO LTD
An underwater blasting test platform
The present invention relates to the field of blasting test devices, and specifically discloses an underwater blasting test platform, comprising: a test float, a breeding area and a first pontoon provided within the test float, a plurality of breeding cages installed within the breeding area, a floating bridge formed by connecting single-section floats, and a wave-blocking curtain composed of a mesh frame and bubble film. The present invention can achieve captivity of aquatic organisms in the experimental waters by providing a plurality of breeding cages within the test float, and can install explosives and sensors under the floating bridge. By changing the number of single-section floats, the distance between the blasting point and the breeding area can be flexibly changed, thereby verifying the impact of the blasting shock wave on the aquatic organisms. A detachable wave-blocking curtain is provided around the test float, thereby verifying the weakening effect of the wave-blocking curtains at different orientations and distances on the shock wave.
Owner:GUANGXI NEWHARBOR ENG CO LTD
Combined floating bridge capable of adaptively adjusting height
PendingCN120174706ABridge structural detailsFloating bridgesBuoyancy regulationArchitectural engineering
The invention discloses a combined floating bridge capable of adaptively adjusting the height, which comprises a plurality of buoys arranged on the water surface, and the front and back adjacent buoys are detachably connected; the buoyancy adjusting assembly is arranged between the left and right adjacent buoys and used for adjusting the height of the buoys relative to the water surface according to the change of the water level; the connecting assemblies are arranged between the left and right adjacent buoys and are used for connecting and fixing the adjacent buoys; the floating plates are horizontally arranged above the floating barrels, and the floating plates are detachably connected with the connecting columns. The invention discloses a combined floating bridge capable of adaptively adjusting the height, the height can be adaptively adjusted according to the rising and falling of the water level, and meanwhile, the floating bridge adopts a modular splicing structure, can be quickly assembled and disassembled, and is also convenient to carry. When the floating bridge ascends and descends, the buoyancy adjusting assembly is adopted, the height can be rapidly adjusted according to the change of the water level, and the up-down fluctuation amplitude and frequency of the floating bridge can be reduced.
Owner:ARMY ENG UNIV OF PLA
Floating type tourism wharf structure and construction method and wave resisting method thereof
The invention relates to a floating type tourism wharf structure and a construction method and a wave resisting method thereof, and belongs to the technical field of wharf construction. The floating type tourism wharf structure comprises a main floating bridge, a secondary floating bridge, an inner breakwater, a branch floating bridge and an outer breakwater; one end of the main floating bridge is connected with a shoreside through a steel approach bridge, and the other end of the main floating bridge is arranged in the direction away from the shoreside; the secondary floating bridges are correspondingly arranged on the two sides of the main floating bridge; the inner breakwater is arranged at the end, away from the shoreside, of the main floating bridge. Part of the branch floating bridges are located on the side, facing the main floating bridge, of the inner breakwater and arranged in the length direction of the breakwater. Part of the branch floating bridges are arranged in the length direction of the secondary floating bridge and located on the two sides of the secondary floating bridge. The outer breakwater is located on the side, away from the main floating bridge, of the inner breakwater, and a gap is formed between the outer breakwater and the inner breakwater. The outer breakwater blocks and dissipates the sea waves, the remaining sea wave energy is further weakened by the inner breakwater, and therefore the double wave prevention effect is achieved, and meanwhile the secondary floating bridge can also weaken the sea wave energy to continue to be transmitted towards the shore.
Owner:NO 2 ENG CO LTD OF CCCC FIRST HARBOR ENG +2
A floating box and a floating box unit for a floating bridge
ActiveCN116427253BVessel movement reduction by mass displacementMovable bridgesPontoon bridgeMechanical engineering
The present invention discloses a floating box and a floating box unit for a floating bridge, relating to the technical field of floating foundation structures. It includes a floating box main body, which comprises at least one box body, and each box body is internally provided with a receiving cavity communicated with the water environment; a water inlet and drainage device, which is arranged in the receiving cavity and is used for forming a plurality of small cavities and adjusting the water levels in each small cavity according to the tide level so as to control the force balance of the floating box main body; and a plurality of tension legs, one end of each tension leg is connected to the floating box main body, and the other end is used for connecting to a seabed foundation. By means of the water inlet and drainage device arranged in the receiving cavity, a plurality of small cavities can be formed, and the water levels in each small cavity can be adjusted according to the tide level to control the force balance of the floating box main body. It can be adjusted in blocks and does not require the use of multiple pumping and drainage pumps, which can effectively reduce the noise during use and simplify the structure at the same time, solving the problems of serious noise during the use of multiple pumping and drainage pumps and complex structure of the floating box in the prior art.
Owner:CHINA RAILWAY MAJOR BRIDGE ENG GRP CO LTD +2
Mechanized novel floating bridge and erection method
The embodiment of the present application discloses a kind of mechanized new floating bridge and erecting method.The mechanized new floating bridge includes: belt floating bridge, system of unfolding and straightening, bridge foot, lifting system and end belt floating bridge unit;Two end belt floating bridge units are connected to the two ends of belt floating bridge by two systems of unfolding and straightening, and the system of unfolding and straightening can pull or push the end belt floating bridge unit reversely to realize unfolding or withdrawal;Lifting system is arranged on bridge foot, and end belt floating bridge unit can be supported on bridge foot by lifting system.The erecting method of the embodiment of the present application realizes the mechanized conversion from belt floating bridge to split floating bridge, and also realizes the mechanized conversion from split floating bridge to belt floating bridge, solving the current technical gap in the field.
Owner:CHINA HARZONE IND CORP
Static light long-distance sea-crossing permanent railway highway floating bridge
The invention relates to a static light long-distance sea-crossing permanent railway and highway floating bridge, which is a fundamental change for the design thought of building a long-distance sea-crossing permanent bridge. The biggest problem to be solved is that piers do not need to be built on straits and seabed, the construction difficulty and work amount of cross-sea bridge construction are greatly reduced, and the influence on the straits ecological environment is small. The technical key points are as follows: 1, N relatively static floating islands are built by utilizing seawater buoyancy, the floating islands are synthesized from cheap materials, and bridges are erected on the floating islands; 2, each floating island is formed by uniformly distributing m seabed stainless steel wire ropes on the left side and the right side of the floating island, straightening and firmly holding the seabed stainless steel wire ropes, and the m stainless steel wire ropes are wound and tied on the m reinforced concrete blocks sinking into the seabed respectively; and 3, the absolute horizontal height of the floating island is not changed. The floating island does not freely float on the water surface, and at the lowest tide level, the buoyancy ensures that the m strands of stainless steel wire ropes have moderate tension. And 4, the core principle is as follows: mechanical balance, namely buoyancy F1 = borne bridge gravity G + tensile force F2 of a seafloor stainless steel wire rope.
Owner:李宽
Quick positioning and connecting device for floating bridge and pontoon bridge
ActiveCN224119420URapid positioningQuick Locate ConnectionBridge structural detailsBridge erection/assemblyButt jointClassical mechanics
The utility model relates to a butt joint positioning device for floating bridge modules. A quick positioning and connecting device for a floating bridge and a pontoon bridge is composed of a positioning mechanism and a connecting mechanism, and the positioning mechanism is composed of a positioning rod (108), a positioning baffle (103), a movable clamping rod (106), a buffer spring (105), a steel wire rope (104) and a winch (101); the movable clamping rod (106) is connected with the positioning baffle (103) through the buffer spring (105), the positioning baffle and the winch are fixedly connected with one floating bridge or pontoon bridge unit, and the positioning rod (108) is fixedly connected with the other floating bridge or pontoon bridge unit. One end of the steel wire rope is connected with the winch (101), and the other end of the steel wire rope penetrates through a strip-shaped ring (107) arranged at the front end of the movable clamping rod (106) to be fixed to the positioning baffle (103). According to the connecting structure, accurate positioning of the connecting structure of the pontoon bridge and the pontoon bridge and rapid connection of the pontoon bridge and the pontoon bridge unit can be achieved, the butt joint time of the pontoon bridge and the pontoon bridge is greatly shortened, and the connecting efficiency of the pontoon bridge and the pontoon bridge is improved.
Owner:苏国安
System and method for automatically controlling line type of floating bridge based on computer vision
A computer vision-based floating bridge linear automatic control system disclosed by the present invention comprises a shore-based control end and a plurality of pontoon control ends, the shore-based control end is arranged on a river bank, the shore-based control end comprises a camera, an image acquisition card and an industrial computer, and the pontoon control ends are respectively arranged on each pontoon and are located at the same side. The pontoon control end comprises targets located on pontoons, an environment data acquisition unit and a driving unit used for driving the pontoons to move, the camera is used for monitoring and capturing images of the targets on the pontoons, and the image acquisition card converts the images into digital signals and transmits the digital signals to the industrial computer; the industrial computer is used for analyzing the image, judging whether the linear deviation of the floating bridge exceeds a preset threshold value or not, controlling the environment data acquisition unit to acquire information according to a judgment result, and controlling the driving unit to drive the floating pontoon to move and adjust after analysis. According to the invention, automatic monitoring and adjustment of the line type of the floating bridge are realized, the adjustment efficiency and accuracy are improved, and the stability and safety of the floating bridge are enhanced.
Owner:NANJING TECH UNIV +1
Dynamic response analysis method of long-span floating bridge based on fluid-structure vehicle-bridge coupling
The present invention is a method for analyzing the dynamic response of long-span floating bridges based on fluid-solid vehicle-bridge coupling. The interaction between waves and pontoons is analyzed by computational fluid dynamics methods, the finite element method is used to simulate the upper structure of the floating bridge and vehicle loads, and the connection between the two is established by collaborative simulation, so that the pressure and displacement parameters of the structural solver ABAQUS software and the fluid solver Star‑CCM+ software can be exchanged at each time step, thereby studying the response of discrete pontoon-type offshore floating bridges under the combined action of vehicles and waves, achieving effective analysis of the stress characteristics of the floating bridge structure, and providing a reference for the design and practical application of floating bridge structures. Based on the powerful structural analysis capabilities of ABAQUS software and the excellent fluid analysis advantages of Star‑CCM+ software, as well as the good coupling effect between the two, the present invention realizes the solution of fluid-solid coupling and vehicle-bridge coupling with less computing resources, ensures the calculation accuracy of the numerical model, and provides guidance for the subsequent design and application of long-span floating bridges.
Owner:NANJING UNIV OF SCI & TECH
Floating bridge convenient to splice
Owner:HANGZHOU JINZHU PORT CONSTRUCTION CO LTD
Experimental method for earthquake-wave multi-field coordinated generation for offshore anchorless floating bridges
The present invention discloses an experimental method for the coordinated generation of earthquake-wave multi-fields for large-scale anchorless floating bridges at sea, belonging to the field of offshore civil engineering safety technology. The method includes the following steps: establishing a numerical finite element model of the curved anchorless floating bridge, giving the maximum heave displacement of each floating foundation during the earthquake duration, obtaining the location where the maximum dynamic response of the target degree of freedom occurs, and releasing all degrees of freedom at the truncation boundary of the floating bridge model; designing a large-scale anchorless floating bridge model; establishing a multi-hazard field input system; and collecting the dynamic response of the large-scale anchorless floating bridge model. The present invention can reproduce actual seismic motion records at the bridge site and simulate the impact of earthquakes transmitted from the shore end of the large floating bridge on the dynamic response of the bridge structure. The present invention can reproduce earthquake-wave coupling effects, providing a method for the coordinated generation of earthquake-wave multi-fields for large floating bridges, and providing equipment support for further exploring the dynamic characteristics of large-scale deep-sea anchorless floating bridges under multiple hazards.
Owner:HARBIN INST OF TECH
Cleaning and drainage combined structure of tailings pond
A cleaning and draining combined structure of a tailing pond comprises a tailing pond dam body, a dry beach area is close to the right side of the tailing pond dam body, and deposited tailings, muddy water and clear water are sequentially close to the right side of the dry beach area. A drainage well is arranged on the muddy water, the bottom end of the drainage well is connected with a culvert, and an air cushion floating bridge is arranged on the drainage well and connected to clear water; a siphon is laid on the air cushion floating bridge, one end of the siphon is located in clear water, the other end of the siphon is located in the drainage well, one end of the siphon is a siphon water inlet, the other end of the siphon is a siphon water outlet, and the siphon water outlet is lower than the siphon water inlet; the sedimentation area is subjected to reservoir emptying through stoping tailings, muddy water close to the sedimentation area is gradually settled into clear water and directly overflows into the drainage well, and if the water quality does not completely meet the requirement after reservoir emptying, the clear water is taken and drained into the drainage well through a siphon; the problems that sewage treatment burden and sewage treatment cost are increased due to the fact that muddy water directly enters the drainage well and the culvert are solved, and the flood prevention capacity in the flood season is improved through the combined structure.
Owner:XIKUANG SHANXING ANTIMONY CO LTD
A high-pressure air rib outer layer material for inflatable floating bridges and its preparation method
ActiveCN121608507BLamination ancillary operationsSynthetic resin layered productsPolyesterPolymer science
This invention relates to the field of composite material technology and discloses a high-pressure air rib outer layer material for inflatable floating bridges and its preparation method. The high-pressure air rib outer layer material of this invention has a layered structure, comprising an outer layer of woven tubing material, an intermediate layer of adhesive, and an inner layer of air-tight membrane. Polymer monomers and functional monomers are polymerized, and then a tackifier and amino resin are added to obtain the adhesive. The adhesive exhibits strong adhesion to both the polyester-based woven tubing and the polyurethane membrane, resulting in high peel strength and adhesion. The woven tubing material and the polyurethane air-tight membrane are tightly bonded and not easily separated or peeled off. Furthermore, the functional monomers contain multiple hydrophobic long carbon chains, which improves the water resistance and waterproof performance of the acrylic resin adhesive. The resulting high-pressure air rib outer layer material for inflatable floating bridges has high bonding strength, good waterproof performance, and high durability.
Owner:SUNING ZHONGYUAN TEXTILE CO LTD
Floating bridge type OWC power generation device
The utility model discloses a floating bridge type OWC power generation device, belongs to the field of water surface equipment, solves the problems that in the prior art, a floating bridge is single in structure function, high in manufacturing cost and poor in acting environment condition, and meanwhile improves the power generation efficiency of an OWC (oscillating water column type power generation device) wave energy device. According to the floating bridge, the floating bridge body has buoyancy in water; the floating bridge type OWC power generation device further comprises an oscillating water column type power generation device. The oscillating water column type power generation device is provided with an air chamber and a turbine generator; openings are formed in the two ends of the air chamber, and the openings in the two ends of the air chamber are communicated; the turbine generator is positioned in the floating bridge body; one opening of the air chamber is communicated with the power input end of the turbine generator, and the other opening of the air chamber is located below the floating bridge body. According to the floating bridge type OWC power generation device, bumping of a bridge floor is reduced through energy obtaining of power generation of an OWC (oscillating water column type power generation device), the stability of a floating bridge is improved, and therefore the safety and the using effect of the floating bridge are enhanced.
Owner:OCEAN UNIV OF CHINA
Hoisting and assembling method for fixed support of floating bridge
The present invention discloses a method for hoisting and assembling the fixing bracket of a floating bridge, comprising the following steps: erecting a lifting frame on water; performing the operation of increasing the height of the pier column at the lower part of the floating pier through the lifting device and the displacement system on the lifting frame; installing a deck crane at the docking end of the main beam section of the already assembled floating bridge body; connecting the main beam section to be assembled with the upper pier column through the lifting device, the displacement system on the lifting frame and the deck crane; connecting the lower part of the floating pier with the upper pier column through the lifting device and the displacement system on the lifting frame; jointly adjusting the axis between the main beam section to be assembled and the main beam section of the already assembled floating bridge body through the lifting device, the displacement system on the lifting frame and the deck crane; welding and connecting between the main beam section to be assembled and the main beam section of the already assembled floating bridge body; and towing the assembled floating bridge body away from the lifting frame. The present invention solves the problems that the high pier column and the floating drum cannot be towed as a whole, and the assembly of the main beam of the floating bridge with a large longitudinal slope is difficult.
Owner:CCCC THIRD HARBOR ENGINEERING CO LTD