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Modularized replaceable self-resetting energy consumption type pier anti-collision system
PendingCN121250848AClimate change adaptationBridge structural detailsBridge engineeringShape-memory alloy
The invention discloses a modularized replaceable self-resetting energy consumption type bridge pier anti-collision system, and belongs to the technical field of bridge engineering structure safety. The system includes an annular rubber pad, an annularly disposed damper module, and a shape memory alloy (SMA) tow. The damper module comprises a cylinder body, high-viscosity fluid, a reset spring, a piston and a force transmission plate. The cylinder body is fixed to the pier in a surrounding mode through bolts and rubber pads, the inner wall of the cylinder body is connected with the piston through a reset spring, the piston rod end is hinged to the force transmission plates, and the SMA wire bundles are connected with the force transmission plates. When an external impact load acts on the force transmission plate, the fluid damper provides viscous energy consumption, and the SMA wire bundle, the spring and the rubber pad provide deformation energy consumption; after the collision is finished, the system can be reset to the initial position under the synergistic effect of the SMA wire bundle, the spring and the rubber pad. By means of the modular design, efficient energy consumption and self-resetting can be achieved; and meanwhile, a single damper can be quickly replaced after being damaged, so that the maintenance efficiency and the system recoverability are greatly improved.
Owner:JIANGXI UNIV OF SCI & TECH
River channel pier anti-scouring device
The utility model discloses an anti-scouring device for a river bridge pier, which relates to the technical field of bridge engineering and comprises a bottom support hoop, a first arc-shaped protective cover, a first mounting plate and a second arc-shaped protective cover, and one end of the top of the bottom support hoop is fixedly connected with the first arc-shaped protective cover. First mounting plates are fixedly connected to the two ends of the top and the two ends of the bottom of the first arc-shaped protection cover correspondingly, a second arc-shaped protection cover is slidably connected to the other end of the top of the bottom supporting hoop, and second mounting plates are fixedly connected to the two ends of the top and the two ends of the bottom of the second arc-shaped protection cover correspondingly. According to the bottom supporting hoop, the first arc-shaped protection cover, the first mounting plate and the second arc-shaped protection cover, the bridge pier is protected on the basis of buffering water flow, and therefore the problem that an existing river channel bridge pier anti-scouring device cannot buffer the water flow, and the anti-scouring effect is poor is solved.
Owner:HARBIN XINCHANG MUNICIPAL ENGINEERING CO LTD
Composite protection structure suitable for underwater seepage prevention and explosion prevention of concrete gravity dam and preparation and construction method
The invention provides a composite protection structure suitable for underwater seepage prevention and explosion prevention of a concrete gravity dam and a preparation and construction method, and belongs to the technical field of engineering explosion prevention and seepage prevention. The composite protection structure comprises a reinforced concrete slab anchored on the outer surface of the gravity dam by a certain distance through an anchor rod; a reserved interlayer between the reinforced concrete slab and the outer surface of the gravity dam is filled to form an anti-seepage and anti-explosion composite layer; the anti-seepage and anti-explosion composite layer is formed by pouring hollow glass bead-asphalt concrete, and the hollow glass bead-asphalt concrete is prepared from asphalt concrete with modified hollow glass beads as filler; the modified hollow glass beads account for more than 15% of the asphalt concrete by volume, and the asphalt concrete has enough sealing gas for reflecting explosive shock waves and has the characteristics of seepage prevention and energy dissipation. The composite protection structure has anti-seepage and anti-explosion functions, the service life of the dam is prolonged, and the ability of the dam to resist sudden extreme working conditions is improved.
Owner:CHINA YANGTZE POWER
Active protection device for preventing ship collision of bridge
ActiveCN223398106UWave based measurement systemsClimate change adaptationMarine engineeringClassical mechanics
The utility model discloses a bridge ship collision prevention active protection device which comprises a laser range finder, a control assembly, a main bridge pier, a main bridge bearing platform, a separation type ship collision prevention facility structure, a polyurethane foam rotary drum and a riverbed, the laser range finder and the control assembly are arranged on the upper portion of the main bridge pier, and the main bridge bearing platform is arranged at the bottom of the main bridge pier. A plurality of separated ship collision prevention facility structures are arranged on the periphery of the main bridge bearing platform on the main bridge piers, polyurethane foam rotating cylinders are arranged on the separated ship collision prevention facility structures, and the other ends, away from the polyurethane foam rotating cylinders, of the separated ship collision prevention facility structures are used for being buried in a riverbed to be fixed. When the distance between the ship and the main bridge pier is detected to be smaller than a certain range through the optical distance measuring instrument, the control assembly controls the gas generator to inflate the gas bag to generate buoyancy, the polyurethane foam rotating drum is pulled to the water surface through the buoyancy to make contact with the ship, and the situation that the ship collides with the main bridge pier and consequently the main bridge pier is damaged is prevented.
Owner:COMM DESIGN INST CO LTD OF JIANGXI PROV
Mobile power generation type multi-section hinge vacuum cable-free mooring device
The invention discloses a movable power generation type multi-section hinge vacuum cable-free mooring device which comprises a movable module, a base, a mechanical arm set, a vacuum adsorption assembly, a hydraulic power generation device and a sliding power generation device. An infrared sensing device is arranged on the base; the vacuum adsorption assembly comprises a vacuum chuck and a vacuum pump, the vacuum pump comprises a motor, a pump shell and a sealing cover, and two rotating pieces with opposite magnetism are embedded in the middle of a driving shaft of the motor; the sliding power generation device comprises a shell, a sliding block, a transmission shaft, a spring and a chain. The sliding block slides in the shell, and a spring is arranged between the sliding block and the shell; the top of the slide block is provided with a first toothed belt and the bottom is provided with a second toothed belt; a first ratchet, a first gear, a second ratchet, a second gear and a generator are arranged on the transmission shaft; a first stop assembly clamped into the first ratchet wheel is arranged on one side of the first gear, and a second stop assembly clamped into the second ratchet wheel is arranged on one side of the second gear. According to the invention, traditional mooring with cables is replaced by vacuum chuck adsorption, so that the collision risk is reduced and the cable breakage is avoided.
Owner:JIANGSU UNIV OF SCI & TECH
Modularized bridge pier anti-collision system and intelligent monitoring method thereof
PendingCN121629874AClimate change adaptationParticular environment based servicesData packSensor array
The invention relates to a modularized bridge pier anti-collision system which comprises an anti-collision device and an intelligent monitoring device, and the anti-collision device is an annular protection body formed by splicing a plurality of prefabricated anti-collision plates and fixed to the circumferential face of a bridge pier in a surrounding mode. The prefabricated anti-collision plate comprises a composite inner core formed by stacking a plurality of layers of honeycomb energy dissipation core plates, and the density of the honeycomb energy dissipation core plates is gradually increased from the outer side to the inner side. The intelligent monitoring device comprises a sensor array, a storage battery, a charging and discharging controller, a data processing module, a wireless communication module and a remote monitoring center. The sensor array is a force sensor embedded in the center of a polyurethane buffer gasket on the inner side of the prefabricated anti-collision plate. The detection method comprises the steps that when the pier is collided, the sensor array is triggered, data information is collected in real time, a data packet is sent to the remote monitoring center through the wireless communication module, and the collision position and the damage condition of the pier are automatically monitored. The structure is efficient in disassembly and assembly, convenient to maintain and high in anti-collision adaptability, full-life monitoring of the bridge pier is achieved, and the protection performance is improved.
Owner:NINGBO CONSTR ENG GROUP
Multi-stage buffer modular device adapting to water surface change and using method of multi-stage buffer modular device
The invention relates to the technical field of icebreaking devices, and particularly discloses a multistage buffer modular device adapting to water surface changes and a using method thereof.The multistage buffer modular device is applied to an offshore pile body and comprises a mounting sleeve, an annular floating frame and a plurality of buffer modules, and the mounting sleeve is fixed to the pile body in a sleeving mode; the annular floating frame surrounds the mounting sleeve and is configured to float up and down relative to the mounting sleeve, the multiple buffer modules are positioned on the annular floating frame and arranged around the mounting sleeve, and each buffer module comprises a first buffer layer and a second buffer layer; an energy absorption space is reserved between the inner diameter side of the first buffer layer and the mounting sleeve, the outer diameter side of the first buffer layer is in damping connection with the annular floating frame, the inner diameter side of the second buffer layer is in contact with the first buffer layer, and an icebreaking structure is elastically mounted on the outer diameter side of the second buffer layer; wherein the first buffer layer can displace and / or deform towards the energy absorption space to drive the damping to dissipate the kinetic energy, and by means of the device, the influence of ice-induced vibration on the main body structure of the offshore pile body can be avoided.
Owner:HARBIN ENG UNIV
Anti-collision rubber fender
The utility model provides an anti-collision rubber fender, which belongs to the technical field of ship berthing protection and comprises a fender frame, a clamping seat, a limiting block, a D-shaped rubber fender, a clamping block, a butt joint block, a screw rod and a locking nut, the clamping seat is integrally arranged on the front face of the fender frame, the limiting block is integrally arranged on the front face of the fender frame and located on the side face of the clamping seat, and the D-shaped rubber fender is arranged on the butt joint block. The L-shaped clamping seats are arranged on the edges of the upper end and the lower end of the fender frame, the D-shaped rubber fender can be installed and in butt joint from the side faces of the clamping seats, and the clamping blocks at the upper end and the lower end of the D-shaped rubber fender are embedded into the clamping seats, so that the D-shaped rubber fender can be transversely and horizontally installed on the fender frame, alignment is not needed, and a single person can operate the fender frame. The D-shaped rubber fender is simple in structure and convenient to install, butt joint blocks on the inner side of the D-shaped rubber fender and limiting blocks on the side face of the fender frame can be fixed through screws and locking nuts, buckle type connection is adopted, the D-shaped rubber fender can be rapidly replaced, disassembled and assembled, and maintenance is more convenient.
Owner:QINGDAO DAYANGHENGTONG RUBBER&PLASTIC CO LTD
Anti-impact sheath for carbon fiber composite cable
The invention belongs to the technical field of engineering materials, and particularly discloses an anti-impact sheath for a carbon fiber composite cable. The sheath comprises an outer protective layer and an inner protective layer; the inner protective layer has a porous structure; the inner protective layer is made of at least one of polyurethane resin, silicone rubber, polylactic resin, fiber reinforced polyurethane resin and fiber reinforced silicone rubber; the porous structure has at least one pore structure selected from a regular pore structure, a disordered pore structure, a bionic pore structure and a gradient pore structure. The sheath has the advantages of being large in compression deformation, high in energy absorption capacity, good in impact resistance and protection effect, light in weight, high in designability and the like, when the sheath is applied to the carbon fiber composite cable, the transverse impact resistance of the carbon fiber composite cable can be remarkably improved, and the service life of the carbon fiber composite cable is prolonged. And the dead weight of the carbon fiber composite cable is reduced, and the bearing efficiency of the cable is improved.
Owner:THE HONG KONG POLYTECHNIC UNIV SHENZHEN RES INST
Drum-shaped rubber fender device with groove structure drainage function
The invention discloses a drum-shaped rubber fender device with a groove structure drainage function, and belongs to the technical field of ship engineering, the drum-shaped rubber fender device comprises a rubber fender main body and an anti-scour mechanism which are mounted on a wharf, and the two ends of the rubber fender main body are fixedly connected with the wharf and the anti-scour mechanism through first fastening assemblies with waterproof functions respectively; the rubber fender comprises a rubber fender body, the rubber fender body is arranged in a drum shape, an anti-collision mechanism for enhancing the buffering effect on the rubber fender body is arranged in the rubber fender body, an inclined zipper and a horizontal zipper are installed at the symmetrical positions between the anti-collision mechanism and a wharf, and the drum-shaped rubber fender body absorbs collision energy through elastic deformation. The anti-collision mechanism enhances internal buffering, the inclined zippers bear the gravity and impact force of the anti-collision mechanism, the horizontal zippers restrain the position of the fender, the overall structural stability of the rubber fender device is embodied, dispersion and absorption of collision energy are achieved in combination with multiple heavy assemblies, and local stress is reduced.
Owner:NANJING JIER MARINE CO LTD
Multifunctional multi-anchor-plate-pile wharf structure suitable for deepwater berth and construction method thereof
The invention discloses a multifunctional multi-anchor plate pile wharf structure suitable for deepwater berth and a construction method thereof, belongs to the technical field of port engineering, and solves the problems that the section of a deepwater berth plate pile wall structure is too large, deformation control is difficult, and the synergism of an anchorage system is poor. The wharf structure comprises a front sheet pile of the front sheet pile wall structure and a front track beam arranged on the front sheet pile. The pull rod system is arranged between a pavement structure and a pool bottom elevation, at least two common layered pull rods and a multifunctional pull rod are sequentially arranged at intervals from bottom to top, one end of each common layered pull rod is connected to a front sheet pile, and one end of each multifunctional pull rod is connected to a front track beam. The anchorage system comprises at least two common layered anchorage bodies and a multifunctional anchorage body, the common layered anchorage bodies are correspondingly connected with the common layered pull rods, the multifunctional anchorage body is composed of a rear track beam and a rear track beam pile, and the rear track beam is connected with the other end of the multifunctional pull rod. The wharf structure is mainly used for deepwater berth wharf construction, multi-anchor support can be provided, and track beam displacement can be coordinated.
Owner:CCCC FHDI ENG
Impact protection barrier systems and deployment mechanisms
PCT designated stageWO2025206960A1Defensive equipmentOffensive equipmentTransverse axisStructural engineering
An impact barrier system (1) for deployment to a support structure for protection from an impact event, including a barrier (9) with an impact side and a shielded side. The barrier (9) is formed from at least one barrier portion (10), formed between the impact side and the shielded side of the barrier. The barrier portion (10) including a plurality of barrier layers (36), each being substantially aligned with a barrier system plane XY, and having two opposed faces, respectively facing the impact side and shielded side. The faces have a transverse axis Z, orientated substantially orthogonally to the barrier system plane Z having an outer perimeter forming an edge or edges. At least two of the plurality of barrier layers (36) are; a) at least partially overlapped about said transverse axis Z, and b) flexible.
Owner:HOLMES SOLUTIONS LIMITED PARTNERSHIP
Multipurpose hydraulic engineering emergency rescue equipment
The utility model relates to the technical field of hydraulic engineering, in particular to multipurpose hydraulic engineering emergency rescue equipment. Comprising supporting columns, the two supporting columns are symmetrically arranged, a plurality of arc-shaped clamping jaws are evenly arranged on the supporting columns, the supporting columns are sleeved with the arc-shaped clamping jaws through positioning sleeves, a pre-tightening plate is arranged at the top ends of the supporting columns, and a rapid locking mechanism is arranged on the outer wall of the pre-tightening plate. A linkage rod is jointly connected between the arc-shaped clamping jaws on the same side, and the quick locking mechanism drives the arc-shaped clamping jaws to move synchronously through the linkage rod to clamp a component. The multipurpose hydraulic engineering emergency rescue equipment achieves the rapid, efficient and flexible multipurpose functions, is particularly suitable for reinforcing key structures such as damaged piers and dam supporting columns under the emergency situation, and remarkably improves the efficiency and safety of emergency rescue work.
Owner:枣庄市市中区城乡水务事业发展中心
Night-visible dock piling caps
Owner:BUCK DOUGLAS J
Offshore wind power embarkation device and method based on automatic rope ladder
The offshore wind power climbing device and method based on the automatic rope ladder comprises the rope ladder, the rope ladder is wound by a winch for rope ladder storage, the winch for rope ladder storage is installed on a truss platform, a guide wheel support is arranged on the truss platform, and a rope ladder guide wheel assembly is installed on the guide wheel support; the truss platform is of a frame structure and used for providing a berthing space for ship berthing. The truss platform is provided with a platform for people to move; a channel or a window or a space for people to pass up and down is arranged below the rope ladder guide wheel assembly; the winch for rope ladder storage lifts or lowers the personnel through the rope ladder, and then the personnel can climb and lean against the winch. The flexible rope ladder is adopted to replace a rigid structure, and the risk that people are pinched due to rigid collision between a ship and the boarding and leaning device is avoided; the rope ladder is matched with a double-hook safety belt for hooking, and the hidden danger of falling into water is reduced by combining the layout that the working face is located on the deck.
Owner:THREE GORGES NEW ENERGY OFFSHORE WIND POWER OPERATION & MAINTENANCE JIANGSU CO LTD
Floating type steel-clad composite material pier anti-collision device
The utility model relates to the technical field of auxiliary devices of bridge pier anti-collision devices, in particular to a floating type steel-coated composite material bridge pier anti-collision device, which provides enough buoyancy for equipment through two groups of filling foam blocks so as to enable the equipment to float on the water surface all the time. According to the floating type steel-clad composite material pier anti-collision device, the pier is protected through a buffering assembly and a flow dividing assembly, and therefore the practicability is enhanced. Comprising a pier, two sets of filling foam blocks, two sets of steel plate frames and four sets of first screws, the two sets of filling foam blocks are tightly attached to the pier through sliding clamping assemblies, the inner ends of the two sets of steel plate frames are tightly attached to the two sets of filling foam blocks, and four sets of first through holes are formed in the top ends of the two sets of steel plate frames correspondingly; the top ends of the two sets of filling foam blocks are provided with two sets of second through holes correspondingly, and four sets of first screws penetrate through the two sets of first through holes and the second through holes correspondingly.
Owner:WUHAN ANGU FLEXIBLE ENERGY DISSIPATION TECH CO LTD
Combined anti-collision rubber fender
The utility model discloses a combined type anti-collision rubber fender which comprises a fender body and an installation plate, the side face of the fender body is connected with the installation plate, the side face of the fender body is provided with an anti-collision strip and a side baffle, a reinforcing rod is installed in the anti-collision strip, an anti-collision plate is installed outside the fender body, and the outer portion of the anti-collision plate is connected with a rubber strip. A cavity is formed in the fender body. According to the combined type anti-collision rubber fender, the anti-collision strips and the reinforcing rods are installed on the side faces of the fender body, combined type anti-collision of the rubber fender is facilitated, when a ship collides with the rubber fender, the first set of anti-collision structure directly composed of the anti-collision strips and the reinforcing rods firstly, and after the ship collides with the rubber fender, the first set of anti-collision structure directly forms a second set of anti-collision structure; and pressure is transmitted to the second anti-collision structures such as the anti-collision plate and the rubber strip and is finally received by the internal rubber sleeve and the anti-collision column, so that the multiple anti-collision structures composed of the inside and the outside have a relatively strong anti-collision effect during use.
Owner:YANGZHOU BOKAI RUBBER PROD CO LTD
Rubber fender with chain quick release structure
The utility model discloses a rubber fender with a chain quick release structure, which comprises a base, a rubber cylinder is fixedly mounted on the rear portion of the base, a fixing ring is fixedly mounted on the rear portion of the rubber cylinder, an insertion cylinder is slidably connected in the fixing ring, and a contact plate is fixedly mounted on the rear portion of the insertion cylinder. The threaded rod rotates to drive the threaded sleeve to descend, the threaded sleeve descends to drive the abutting rod to descend, the abutting rod descends to drive the J-shaped rod to descend, after the J-shaped rod descends to the outside of the limiting groove, the J-shaped rod does not limit the fixing ring any more, and at the moment, the contact plate can be detached from the rear portion of the fixing ring. And after the contact plate is dismounted, the effect of conveniently replacing a first sliding plate, a spring and a second sliding plate in the fixing ring can be achieved.
Owner:BEIJING XINHONG ENERGY TECHNOLOGY CO LTD
Device for ice load measurement and ice-induced vibration suppression and ocean structure
The invention provides a device for ice load measurement and ice-induced vibration suppression and an ocean structure. The device for ice load measurement and ice-induced vibration suppression is characterized by comprising a fixed strut beam structure (2) which is arranged on the outer surface of an upright or nearly upright ocean structure and is axially parallel to the ocean structure, and a steel plate (1) covering the range of a tidal range zone is arranged on the outer side of the strut beam structure (2) in a sleeving mode. And a stress measuring device (3) is mounted on the inner side of the strut beam structure (2). The fixed strut beams and the steel plates are installed on the outer surface of the ocean structure, the contact form of sea ice and the structure is changed, the crushing mechanism of the sea ice is disturbed, the energy of the sea ice is absorbed, the vibration amplitude is reduced, meanwhile, real-time monitoring of the ice load is achieved, frequency locking vibration is eliminated, and the safety and stability of the structure are ensured.
Owner:POWERCHINA HUADONG ENG CORP LTD +1
A lifeboat quick installation and fixing platform and its use method
Owner:CHINA SHIPPING IND JIANGSU
Tension monitoring device
To provide a tension monitoring device which can be introduced at a low cost, can be attached to an arbitrary position of a mooring rope, and is hardly displaced or detached even if the tension of the mooring rope changes.SOLUTION: A mooring device includes a pair of locking tools that are spaced apart from each other in a longitudinal direction and detachably locked to a mooring rope for a ship, and a measuring tool that measures an amount of change from an initial value of a separation distance between the locking tools, wherein the locking tool includes a tightening mechanism that tightens the mooring rope in accordance with a change in a diameter of the mooring rope, and is locked to the mooring rope via the tightening mechanism.SELECTED DRAWING: Figure 2
Owner:TMBO CO LTD
Water conservancy project diaphragm wall
The utility model discloses a water conservancy project diaphragm wall, and relates to the technical field of diaphragm walls, the water conservancy project diaphragm wall comprises a diaphragm wall body, one side of the diaphragm wall body is provided with two groups of anti-scour mechanisms, the two groups of anti-scour mechanisms have the same structure, and the upper ends of the anti-scour mechanisms are provided with fixing mechanisms; the anti-impact mechanism comprises a special-shaped steel plate, and a semicircular block is fixedly installed at one end of the special-shaped steel plate. According to the anti-seepage wall, water can be prevented from directly impacting the anti-seepage wall body, gradual fatigue damage to a microstructure in the anti-seepage wall body is prevented, the microstructure in the anti-seepage wall body cannot be damaged, the strength of the anti-seepage wall body is improved, deformation of the anti-seepage wall body can be caused, and the service life of the anti-seepage wall body is prolonged. And secondly, a dredging effect can be achieved on water flow, the impact of water on the special-shaped steel plate can be reduced, and the service life of the special-shaped steel plate is prolonged.
Owner:HEILONGJIANG RUHAI CONSTR ENG MANAGEMENT CO LTD
Shallow lake underwater forest modularized inhabitation unit and water function improving method thereof
The invention relates to the technical field of water environment treatment and lake ecological restoration, and solves the technical problems that in the prior art, an underwater forest shadow area cannot be stably constructed, purification and inhabitation functions cannot be flexibly configured, and engineering quantitative design and long-term optimization cannot be achieved. In particular to a shallow lake underwater forest modularization inhabitation unit and a water function improving method thereof. The inhabitation unit is composed of a hollow hexagonal bottom bearing and anchoring base, a three-dimensional supporting framework, a plant inhabitation layer and an ecological function core block, and an inclined water-permeable wave blocking wing plate is arranged on the head wave side of the bottom bearing and anchoring base; an open grating structure with high aperture ratio is arranged on the back wave side, a dephosphorization, denitrification and inhabitation enhancing core block can be inserted and pulled out in the open grating structure, submerged plants are planted in a plurality of layers of planting baskets at the upper part, and a three-dimensional aquatic vegetation zone with directional hydrodynamic force regulation and control is formed. The shallow lake underwater forest can be stably constructed under the stormy wave condition, the water function is remarkably improved, and engineering construction of the shallow lake underwater forest and quantitative improvement of the water function are achieved.
Owner:ANQING NORMAL UNIV
Positioning device for berthing component
PendingCN121915703ABase supporting structuresBraking devices for hoisting equipmentsStructural engineeringMechanical engineering
Owner:CCCC THIRD HARBOR ENGINEERING CO LTD
Triangular gate anti-collision plate
ActiveCN224213257UAffect service lifeImprove crash performanceClimate change adaptationDry-docksHead-on collisionImpact
The utility model belongs to the technical field of triangular gates, and discloses a triangular gate anti-collision plate which comprises a fixed plate body and a movable plate body which are arranged in parallel, elastic buffer rods which are evenly distributed are connected between the fixed plate body and the movable plate body, and a buffer strip is arranged at the position, close to the edge, of one side, close to the movable plate body, of the fixed plate body. Buffering assemblies arranged at equal intervals are arranged on the side, away from the fixed plate body, of the movable plate body, when a ship collides with the movable plate body, the movable plate body can move for buffering, impact force is buffered through elastic buffering rods, the elastic buffering rods can protect buffering springs, and the buffering effect is improved. The buffer springs are prevented from being corroded to affect the service life, when non-front-face collision occurs, the rotating cylinders can rotate to release force, buffering is conducted through deformation of the rotating cylinders and the fixing blocks, meanwhile, the movable plate body displaces, buffering is conducted through the elastic buffer rods, and the anti-collision effect can be greatly improved.
Owner:GUANGDONG BUILDING MASCH FACTORY +1
Bridge foundation scouring protection device for water conservancy project
ActiveCN223867179UClimate change adaptationBridge structural detailsArchitectural engineeringStructural engineering
The utility model discloses a bridge foundation scour protection device for hydraulic engineering, which comprises a support base, the left side and the right side of the upper surface of the support base are fixedly connected with support tables, the upper surfaces of the support tables are fixedly connected with a bridge, and the left side and the right side of the lower surface of the bridge are fixedly connected with a support bottom plate I and a support bottom plate II respectively. According to the bridge foundation scouring protection device for the water conservancy project, the floating ring connected between the in-groove block and the protection ring is located on the outer wall of the vertical column, the vertical groove formed in the vertical groove of the supporting beam is used for sliding of the side block, the floating ring can be conveniently placed into a vertical opening, and the pull rope connected between the side block and the protection ring is used for pulling of personnel.
Owner:XINJIANG RUNFENG CONSTR ENG CO LTD
Anti-collision device for MR tanker parking
The invention relates to the technical field of anti-collision devices, in particular to an anti-collision device for MR tanker parking, which comprises a wharf anti-collision mechanism, a reinforced buffer mechanism is arranged on the front surface of the wharf anti-collision mechanism, and an induction prompt mechanism is arranged at the upper end of the reinforced buffer mechanism; the wharf anti-collision mechanism comprises a wharf body, a lining cylinder, a positioning cylinder, a positioning rod, a bearing plate and an anti-collision air cushion. According to the scheme, the multi-stage buffering design is adopted, the safety and stability during oil tanker parking are remarkably improved, the anti-collision air cushion made of polyurethane materials absorbs impact force through deformation in the initial collision process, when the pressure exceeds the bearing range of the air cushion, the positioning rod drives the hydraulic oil layer to move and compresses the spring, a second buffering barrier is formed, and therefore the oil tanker is protected. Meanwhile, the piston block slides in the balance cylinder and compresses the other set of springs to achieve third-stage buffering, the stepped energy absorption mechanism can effectively disperse impact force of different strengths, hard contact between a ship body and a wharf is avoided, and the risk of structural damage is reduced.
Owner:江苏新扬子造船有限公司 +2
Wharf protection device for ultra-short-distance underwater operation
The utility model discloses a wharf protection device for ultra-short distance underwater operation, which comprises a protection main body, a hoisting system and an anchoring system, the protection main body is a combined structure of a steel plate layer and a rubber layer, the steel plate layer converts sharp concentrated load into surface load, and the rubber layer reduces the influence of the load on an underwater structure through energy absorption and shock absorption. The reinforcing layer is arranged to improve the rigidity of the steel plate and disperse stress, the hoisting system adopts a movable buoyancy tank with a winch to adjust the protection main body at any position, the anchoring system anchors the hoisting system on the water surface, so that the protection main body cannot move left and right, and compared with ultra-short-distance operation of an underwater structure without a protection device, the safety of the underwater structure is greatly improved. And the risk that the underwater structure is damaged is avoided, and the construction efficiency of ultra-short-distance operation is improved.
Owner:CCCC ROAD & BRIDGE SPECIAL ENG +1
Inland river overwater emergency mooring pile and construction method thereof
The invention discloses an inland river overwater emergency mooring pile and a construction method thereof.The inland river overwater emergency mooring pile comprises an inner steel pipe pile body and an outer steel pipe pile body, the inner steel pipe pile body is arranged in the outer steel pipe pile body in a sleeved mode, and the inner steel pipe pile body is provided with a first end and a second end in the axial direction; m ribs protruding out of the outer wall of the inner steel pipe pile are distributed on the periphery of the first end of the inner steel pipe pile; the outer steel pipe pile is provided with a first end and a second end in the axial direction, n notches formed in the axial direction of the outer steel pipe pile are distributed in the periphery of the first end of the outer steel pipe pile, the n notches divide the first end of the outer steel pipe pile into n outer steel pipe units, and the ribs enable the outer steel pipe units to expand outwards in the radial direction. The first end of the outer steel pipe pile forms a divergent structure; m > = 2n, n > = 4.
Owner:丽水市直属公路港航管理中心(丽水市公路水上抢险救援中心)
Vertical composite ballast type foam fender device
ActiveCN223686796UVessel cleaningClimate change adaptationStructural engineeringEnvironmental geology
The utility model relates to the technical field of port, wharf and ship protection, in particular to a vertical composite ballast type foam fender device which solves the problem that a traditional fender device is insufficient in stability, lowers the gravity center through balance weight steel grit and guarantees the structural stability. The central pipe core is axially distributed in the outer shell, and a sealing cavity filled with counterweight steel grit is formed in the central pipe core; the closed-cell foam core body is arranged in an interlayer between the outer shell and the central pipe core; the upper flange is arranged at the top end of the outer shell and is connected with the upper end of the central pipe core; and the lower flange is arranged at the bottom end of the outer shell and is connected with the lower end of the central pipe core.
Owner:SHANDONG NANHAI AIRBAG ENG