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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
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
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
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
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
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
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
Balanced buffering self-floating type ship collision preventing device
PendingCN121381565AClimate change adaptationNon-rotating vibration suppressionSteel jacketMarine engineering
The invention discloses a balance buffering self-floating type ship collision prevention device in the technical field of bridge pier ship collision prevention equipment, and particularly comprises a first steel jacket box and a second steel jacket box, the second steel jacket box is sleeved with the first steel jacket box, a plurality of rows of connection steel plates are distributed in the circumferential direction of the outer surface of the second steel jacket box, one end of each connection steel plate is fixed to the first steel jacket box, and the other end of each connection steel plate is fixed to the second steel jacket box. The other end is fixed with the second steel jacket box; each connecting steel plate comprises a bent plate, the bending direction of the bent plate is horizontal, and the bending direction of the bent plate is opposite to the bending direction of the bent plate in another longitudinally adjacent connecting steel plate. The anti-collision device can continue to keep the anti-collision capacity after being collided once, and the overall stability of the anti-collision device is maintained.
Owner:COMM DESIGN INST CO LTD OF JIANGXI PROV +1
Inland river anchorage berthing pier structure and construction method thereof
The invention provides an inland river anchoring berthing pier structure and a construction method thereof. The system comprises a reinforced concrete box foundation, multiple steel pipe cast-in-place pile columns, reinforced concrete bearing platform structures, a negative pressure synchronous control system and a measuring and positioning system, the multiple steel pipe cast-in-place pile columns are installed on the reinforced concrete box foundation, the reinforced concrete bearing platform structures are installed on the steel pipe cast-in-place pile columns, and the negative pressure synchronous control system is installed on the reinforced concrete bearing platform structures. The negative pressure synchronous control system is installed on a steel pipe cast-in-place pile body and a ship body, and the measuring and positioning system is installed on the steel pipe cast-in-place pile body and the ship body. The structure provided by the invention can effectively improve the working efficiency and reduce the construction cost.
Owner:天津港航工程有限公司
Floating twin deck mooring dolphin
The present application relates to the field of water transport equipment, and more particularly to a floating double-layer mooring column, comprising: a floating member; a first pile body installed on the top of the floating member, comprising a first support and a first pile column body installed on the first support; a second pile body movably installed on the top of the first pile body, comprising a second support hingedly connected to the top of the first support and a second pile column body installed on the second support; wherein the second support is arranged to be liftable. The present application effectively solves the problems existing in the prior art by arranging the second pile body to be liftable.
Owner:SHANDONG WATER TRANSPORT DEV GRP CO LTD
Flood control type railway bridge reinforcing structure and construction method
This invention belongs to the field of railway subgrade construction technology, specifically relating to a flood-resistant railway bridge reinforcement structure. It includes a frame bridge body, a raised section, and anchoring components. The frame bridge body is composed of multiple U-shaped frame bridge tubes connected together. The raised section includes reinforcement components and ballast. The reinforcement components include precast components and gabion cages filled with crushed stone, with coal gangue filling the outer side of the precast components. The anchoring components include H-beams and H-beams, both fixed to the left and right sides of the frame bridge body. Wire mesh is fixed to the inner wall of the H-beams. An enlarged head is welded to the bottom of the H-beams and fixed in the underwater soil. The H-beams are formed by welding two H-beams together. This invention can meet the requirements for preventing settlement and deformation of railway bridges in coal mining subsidence areas, as well as ensuring bridge stability and flood control under flood impact and flooding conditions. The structure is reliable, and the construction method is highly operable.
Owner:HENAN POLYTECHNIC UNIV
Quick cable releasing hook device
InactiveCN121760319ATorque real-time monitoringAccurate overload conditionsWinding mechanismsShipping equipmentControl engineeringControl theory
The invention relates to a quick cable release hook device which comprises a base mechanism, a winch mechanism, a winch torque monitoring mechanism, a fixing mechanism, a cable release hook mechanism, an anti-release mechanism and a control mechanism. The winch torque monitoring device has the advantages that the winch torque monitoring mechanism is arranged in the winch mechanism, so that the torque of the winch mechanism is monitored in real time, the control mechanism can judge whether a torque value detected by the winch torque monitoring mechanism exceeds a preset torque value or not, and an overload signal is sent out when the torque value exceeds the preset torque value; the capstan torque monitoring mechanism can give out voice alarm prompt when the control mechanism judges that the capstan is overloaded, so that the overload condition of the capstan in the cable winding process is accurately and timely predicted, and an operator is prompted through voice alarm; the anti-falling mechanism is arranged on the fixing mechanism, so that the situation that the mooring rope of the ship falls off from the cable falling hook mechanism due to the fact that the up-down floating height of the berthing ship is too large can be avoided, and the safety is improved.
Owner:SHANGHAI EMINENT ENTERPRISE DEV
High strength integral fender
The application relates to the technical field of marine equipment, in particular to a high-strength integrated fender which comprises an outer rubber layer and an inner rubber core cylinder, the inner rubber core cylinder is coaxially arranged in the inner portion of the outer rubber layer, and foaming material is filled between the inner surface of the outer rubber layer and the outer wall surface of the inner rubber core cylinder; thickened cylinder ends are symmetrically arranged at the positions of the two ends of the inner rubber core cylinder, split metal plugs are arranged on the thickened cylinder ends, and a pressure boosting unit is integrated in the split metal plugs; the fender is softer during normal use, the buffering effect can be improved, when the fender is overloaded, the supporting force of the inner rubber core cylinder can be greatly improved, and the protection effect of the fender can be ensured.
Owner:TAIZHOU GINI SHIPBUILDING TECH CO LTD
Combined multi-stage energy dissipation buffer device for bridge
ActiveCN223838006UClimate change adaptationBridge structural detailsArchitectural engineeringHoneycomb
The utility model discloses a bridge combined multi-stage energy consumption buffer device which comprises a steel jacket box, a steel partition plate used for separating space is arranged in the steel jacket box, and a first-stage energy consumption structure used for first-stage buffer energy consumption and a second-stage energy consumption structure used for second-stage buffer energy consumption are arranged in the separated space respectively. The steel jacket box is arranged outside the pier through the rubber fender. The UHPC panel and the stainless steel composite steel plate are adopted, and the service life of the structure is remarkably prolonged under the complex service environment of a water area. In the aspect of collision resistance, the high-strength steel grid structure has a definite deformation mode induction mechanism, the impact force is dispersed through the UHPC panel with large rigidity, the impact force is buffered through the honeycomb with small rigidity, the impact force is transmitted to the high-strength steel grid structure through the UHPC panel and the dense honeycomb, the energy consumption efficiency is greatly improved, the force transmission path is reasonable, coverage of different collision prevention levels can be achieved, and the energy consumption is reduced. And meanwhile, the compression stroke of the energy dissipation assembly is increased, the peak impact force is reduced, and designability is good.
Owner:CHINA RAILWAY DESIGN GRP CO LTD
Offshore floating marina
Provided is a floating structure for floating in the open water, the floating structure (2, 2') configured to serve as a boat docking, comprising a surrounding structure (10) and an inner space (20), the surrounding structure (10) surrounding the inner space (20) for at least one boat to dock at a boat docking place (18) of the floating structure (2, 2'), the surrounding structure (10) comprising an opening (12) for the boat to enter the inner space (20) from the open water or leave it vice versa, a connecting point (24) for connecting an anchoring line (6) to anchor the floating structure (2, 2') to float at a set area within the open sea, the connection point (24) being at a first side of the surrounding structure (10) and the opening (12) substantially being arranged at an opposite side of the surrounding structure (10), so the opening (12) is arranged at a downstream end of the floating structure (2, 2') and a wave energy harvesting system having a plurality of floaters the floaters being able to move vertically independent from each other for each floater to follow the movement of sea waves when placed on the surface of the sea.
Owner:SEANEST SA
Ship docking equipment
ActiveJP7860661B1Climate change adaptationProtective buildings/sheltersHydraulic cylinderSuction force
To provide a ship docking device that is highly reliable and stable, has a uniform suction force distribution, and exhibits strong adaptive adjustability. [Solution] The stabilization mechanism includes a support base to which a guide rail is attached on the front, the guide rail having at least one stabilization mechanism attached to each end of the stabilization mechanism, the suction mechanism including a fixed plate and a connecting plate, the connecting plate being provided with a buffer base and a main suction plate in order, the fixed plate being symmetrically hinged to both ends of a hydraulic cylinder, the hydraulic cylinder being hinged to a reset plate, the reset plate being provided with a buffer base and an auxiliary suction plate, the stabilization mechanism including a balance plate rotatably connected to a stabilization frame, the open ends of a hydraulic damper, a reset spring, and a grooved link being rotatably connected to the balance plate inside the stabilization frame, the closed end of the grooved link being connected to the stabilization frame, a groove being made in the bottom of the stabilization frame, and a gear being provided above the groove.
Owner:JIANGSU UNIV OF SCI & TECH
A sequential energy dissipation chain and pier anti-collision device
The application relates to a sequential energy dissipation chain and a pier anti-collision device. The sequential energy dissipation chain comprises a fixed end, a force transmission chain comprising a plurality of chain links and chain link pins, two adjacent chain links being hinged through the chain link pins, and a plurality of energy dissipation pull rod assemblies, two ends of each energy dissipation pull rod assembly being hinged on two force transmission chains, and each energy dissipation pull rod assembly being configured to sequentially stretch and realize sequential energy dissipation when the fixed ends of the two force transmission chains are relatively stretched under stress. The design yield load of the chain link and the chain link pin is greater than the design yield load of the energy dissipation pull rod assembly. The sequential energy dissipation chain is used in the pier anti-collision device, a plurality of high-ductility and low-yield pull rods sequentially yield and stretch, stable and controllable collision energy dissipation is realized, and the ship collision force is accurately limited.
Owner:CHINA RAILWAY MAJOR BRIDGE RECONNAISSANCE & DESIGN INSTITUTE CO LTD
Bridge pier anti-collision elastic device for water transportation channel
ActiveCN223983986UClimate change adaptationBridge structural detailsMarine engineeringWater transport
The utility model discloses a pier anti-collision elastic device of a water transportation channel, and relates to the technical field of pier collision prevention. Comprising a fixed base, a fixed pier body is fixedly embedded in the center of the inner wall of the fixed base, an elastic anti-collision structure is arranged on the fixed pier body, the elastic anti-collision structure comprises a rotating frame, an anti-collision frame and a plurality of auxiliary springs, the fixed pier body is rotationally sleeved with the inner wall of the rotating frame, and the outer wall of the anti-collision frame is slidably embedded in the rotating frame; the inner wall of the rotating frame is fixedly sleeved with two rubber tires, and the outer walls of the two rubber tires are fixedly embedded in the anti-collision frame. Through the fixed pier body, the rotating frame, the anti-collision frame, the auxiliary spring and the rubber tire, the direction of the impacts can be changed by utilizing the rotating property, so that the impacts are relieved, meanwhile, the impacts are further relieved in cooperation with an internal buffering structure, the bridge pier can be effectively protected against damage caused by ship collision, meanwhile, the impact on a ship is reduced, and the service life of the bridge pier is prolonged. And the safety of water traffic is ensured.
Owner:DONGGUAN ZHUHE DECORATION ENGINEERING CO LTD
Dock and wharf comprehensive repair construction method
The invention provides a dock and wharf comprehensive repair construction method, belongs to the technical field of repair construction, and is suitable for dock and wharf engineering repair which is long in service life and serious in structure corrosion and damage. According to the method, a series of technical problems such as abrasion of a bottom plate of an old dock, corrosion of a dock wall, failure of a pull rod, damage of a dock structure and the like are solved through systematic construction measurement and deformation monitoring, divided dock structure repairing, dock dredging and structure reinforcing, floating dock construction and supporting facility repairing; efficient and safe repair of the old port hydraulic structure is achieved, the overall bearing capacity of the structure is improved, and the service life is prolonged. The construction process is clear, all procedures are closely connected, the whole deformation monitoring process is controlled, construction is safe, the repairing process is high in pertinence, and the method is suitable for repairing projects similar to coastal old docks and wharfs.
Owner:NO 2 ENG CO LTD OF CCCC THIRD HARBOR ENG CO LTD
Round-end-shaped bridge pier anti-scouring device suitable for one-way flow
The round-end-shaped bridge pier anti-scouring device comprises a round-end-shaped bridge pier, the overlook section of the round-end-shaped bridge pier is composed of semicircles at the two ends and a rectangle in the middle, and a plurality of flow guide sheets are arranged around the round-end-shaped bridge pier in an up-down parallel mode at equal intervals; the diversion sheet comprises two semi-circular sheets and an equal-width strip-shaped sheet connecting the two semi-circular sheets together, and semi-circular arcs of the two semi-circular sheets wrap the semi-circular end faces of the two longitudinal ends of the bridge pier and are fixedly connected with the two equal-width strip-shaped sheets to be arranged on the round-end-shaped bridge pier. According to the anti-scour device provided by the invention, a group of parallel flow guide sheets are mounted on the round-end-shaped pier, so that three-dimensional flow near the pier can be effectively converted into planar two-dimensional flow, vortex generation is reduced, hydrodynamic conditions for scour a riverbed can be obviously reduced, scour around the pier is obviously reduced, and the safety performance of a bridge is improved; and the pier scouring protection cost is greatly reduced, the market application prospect is wide, and the social and economic benefits are huge.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES