975results about "Shipping equipment" patented technology

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.

The invention relates to the technical field of pier collision prevention, in particular to a pier collision prevention device capable of assisting ship deflection. The device comprises a fixing ring used for being fixed to a bridge pier, a plurality of deflection units used for assisting a ship in deflection and a buffering mechanism used for buffering the impact force of the ship, and the multiple deflection units are arranged on the fixing ring in a surrounding mode. The deflection unit comprises an inner plate rotating in the circumferential direction of the fixing ring, a rotating shaft rotationally connected to the inner plate, a moving wheel fixedly connected to the end of the rotating shaft and a deflection mechanism used for driving the rotating shaft to rotate. The tail ends of the spring rods are fixedly connected to the inner plate, the outer plate is fixedly connected to the head ends of the spring rods, the buffer pad is arranged between the inner plate and the outer plate, and the spring rods are fixedly connected to the two ends of the inner plate. The device can convert the impact force of the ship to the pier into power for driving the deflection mechanism to operate, and the ship is guided to deflect while the impact force of the ship is converted and released, so that the ship is prevented from continuously impacting the pier.

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.

The invention discloses a cofferdam device for hydraulic engineering construction and an operation method thereof.The device comprises a cofferdam, buffering mechanisms arranged on the periphery of the exterior of the cofferdam, reinforcing mechanisms arranged on the periphery of the exterior of the cofferdam and driving control mechanisms arranged at the four corners of the cofferdam, and the cofferdam is composed of supporting columns and steel plates and forms a rectangular frame structure; the reinforcing mechanism is connected with a first fixing block and a second fixing block through a reinforcing rod to enhance the stability of the cofferdam, the driving control mechanism is composed of a forward and reverse motor, a sliding groove, a threaded rod and a sliding block and can automatically adjust the position of the buffering mechanism according to the change of the water level, and the buffering mechanism comprises a supporting rod, an arc-shaped first elastic plate, an arc-shaped second elastic plate and a first damper. Impact energy is absorbed through elastic deformation and damping force, and the cofferdam is protected against impact of water flow and floating objects. The position of the buffer mechanism can be automatically adjusted according to the water level condition, and it is ensured that the buffer mechanism is located at the optimal working position all the time so as to meet the buffer requirements under different water level conditions.

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.

The present invention provides a system for measuring real-time meteorological and oceanographic data using a buoyage network for smart ports and harbours. It consists of a moored floating station or moored buoy, or network of buoy-based measurement stations (A) moored at the port or harbour waters with the marine navigation and land-based measuring station (B) mounted at jetty or wharf or quay wall of port and harbours. The buoy-based system (A) is equipped with a cylindrical steel buoy structure featuring a mast (7) and is secured using a two-point mooring system. The present system comprises of an integrated monitoring and data transmission system that collects the real-time meteorological and oceanographic data from the sensors and processes the acquired data based on calibration, enabling accurate and reliable measurements. The processed data is then stored in the system's internal memory for analysis and transmitted to a remote-control station.

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.

The invention discloses a ship berthing device. Comprising a supporting base installed on a wharf, a guide rail is installed on the front face of the supporting base, at least one stabilizing mechanism is installed on the guide rail, and adsorption mechanisms are installed at the two ends of the stabilizing mechanism respectively. The adsorption mechanism comprises a fixing plate and a connecting plate, a buffer table and a main adsorption plate are sequentially arranged on the connecting plate, hydraulic cylinders are symmetrically hinged to the two ends of the fixing plate respectively, a reset plate is hinged to the hydraulic cylinders, and a buffer table and an auxiliary adsorption plate are arranged on the reset plate. The stabilizing mechanism comprises a balance plate rotationally connected to the stabilizing frame, a hydraulic damper and a reset spring, the open end of a groove connecting rod is rotationally connected with the balance plate in the stabilizing frame, the closed end of the groove connecting rod is connected with the stabilizing frame, a groove is formed in the bottom of the stabilizing frame, and a gear is arranged above the groove. The ship berthing device provided by the invention can achieve the effects of high reliability and stability, uniform adsorption force distribution and high self-adaptive adjustability.

The invention belongs to the technical field of safety protection of bridge pier foundations, particularly discloses a fabricated protection device for local scouring of a bridge pier foundation and a self-sinking construction method, and aims to solve the problems of insufficient stability, high mounting difficulty, poor long-term adaptability and the like of protection measures in the prior art. The protection device comprises an assembly type protection ring, a concrete ball and a flow limiting vertical ring protrusion. The fabricated retainer is formed by splicing a plurality of retainer units, a transverse U-shaped groove is formed in the inner side of the fabricated retainer and used for limiting and assembling the concrete ball, and self-sinking of the device is achieved through rolling contact of the concrete ball and the outer wall of the pier. The flow limiting vertical ring is fixed to the upper surface of the protective ring in a protruding mode and used for limiting the water flow vortex range. The construction method comprises the steps of early-stage preparation, gravel backfilling, device installation, self-sinking installation, installation inspection and the like. The device is simple in structure and convenient to install, does not need underwater operation, can automatically adjust the position along with the change of a riverbed, keeps long-term effective protection capability, and is suitable for scouring protection of a pier foundation of a built river-crossing bridge.

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.

The utility model discloses an anti-seismic ship fender, which relates to the technical field of ship protection, and comprises a mounting plate, a guide shell is arranged on the surface of the mounting plate, a lifting component used for adjusting the height of a main body is arranged on the guide shell, a buffer groove is formed in the main body, a buffer component is arranged in the buffer groove, and the main body is provided with an anti-seismic component. Through the action of the sliding sleeve, the main body can move up and down in the position of the sliding rod, the floating block installed at the lower end of the main body makes contact with the water surface, and due to the buoyancy of the floating block, the main body can be kept on the water surface all the time and move along with the height of the water level; the problem that an original device cannot be automatically adjusted is solved, a handle is pulled to enable an inserting rod to enter a through groove, then a connecting block is inserted into a mounting groove, the handle is loosened to enable the inserting rod to penetrate through a positioning hole to enter an inserting hole, the connecting block is fixed into the mounting groove, and connection of ropes between main bodies is facilitated.

The invention discloses a stair energy consumption ship collision prevention system based on a metamaterial structure, which comprises an ultra-high performance concrete panel, a stair energy consumption collision prevention layer, a rubber fender, a bridge pier, a bridge bearing platform and a bridge pile foundation, and the stair energy consumption collision prevention layer comprises a variable rigidity unit, a light energy consumption material, a vertical steel plate, an upper top plate and a lower bottom plate, the variable rigidity unit is formed by connecting a plurality of concave hexagonal units through transverse and longitudinal steel plates, and the middle hollow structure is filled with light energy dissipation materials capable of absorbing and dispersing impact energy, such as polyurethane foam, ceramsite and rubber particles. The variable rigidity unit and the steel plates are welded into a whole, and the protection device and the protected pier are connected through a rubber fender. The overall rigidity of the protection device can be increased along with structural deformation when the protection device is impacted, so that the variable-rigidity cascade energy dissipation anti-collision effect is achieved, the ship and bridge collision time can be effectively prolonged, the ship collision force can be effectively reduced, and bidirectional protection of the ship and the bridge is achieved.

The utility model belongs to the technical field of bollards, and discloses a bollard with an anti-skidding function, which comprises a first supporting disc and a working box, a rotating sleeve is rotatably connected in the first supporting disc, a limiting rod is fixedly connected on the outer side of the rotating sleeve, a lower clamping plate is fixedly connected on the top end of the rotating sleeve, and the lower clamping plate is fixedly connected on the working box. A limiting groove is formed in one side of the lower clamping plate, a lifting rod is slidably connected to the interior of the lower clamping plate, the lifting rod sequentially penetrates through the rotating sleeve and the lower clamping plate, an upper clamping plate is fixedly connected to the top end of the lifting rod, and a hydraulic rod is fixedly connected to the bottom end of the lifting rod. The problems that in the prior art, due to the fact that water exists on a bollard or a mooring rope, the mooring rope slides when the mooring rope is tied on the bollard, the mooring rope cannot be effectively and rapidly tied, the mooring rope is loosened and possibly falls off, a ship is possibly damaged under serious conditions, economic losses are increased, and the bollard is poor in anti-skid performance and low in practicability are solved.

The present invention discloses a bridge anti-collision airbag interception device, which includes a storage component and an airbag anti-collision unit. The storage component is installed on the outer side wall of the pier, and a cavity is formed inside the storage component. The airbag anti-collision unit includes a first airbag unit, and the first airbag unit is installed in the cavity of the storage component. The first airbag unit includes at least one first airbag layer, and the first airbag layer includes a plurality of first airbags that are interconnected. At least one first airbag is connected to an external air source. In the bridge anti-collision airbag interception device provided by the present invention, the uninflated first airbag unit is stored in the cavity of the storage component, so that the unactivated bridge anti-collision airbag interception device can always ensure the clearance space between the piers. When activated, the first airbag expands after being inflated and quickly forms a multi-layer connected airbag anti-collision surface, thereby absorbing and dissipating the impact force when a ship hits the pier, protecting the pier and avoiding serious harm caused by the breakage of the pier.

The invention discloses a shallow water area berthing component temporary positioning device and a construction method, and relates to the technical field of concrete members, the shallow water area berthing component temporary positioning device comprises a plurality of wharf foundation piles and berthing components, every two wharf foundation piles form a group, a first connecting rod is arranged between one group of wharf foundation piles, a supporting rod is arranged on one side of each wharf foundation pile, and a second connecting rod is arranged on the other side of each wharf foundation pile. A second connecting rod is arranged between the wharf foundation pile and the supporting rod. A positioning hole is formed in the berthing component, a fixing rod is arranged in the positioning hole, one end of the fixing rod abuts against the first connecting rod, and the other end of the fixing rod abuts against the supporting rod. The first connecting rod and the supporting rod are provided with a positioning mechanism. Fixing mechanisms corresponding to the fixing rods are arranged on the two sides of the berthing component, supporting is provided for hanging of the berthing component through the steel frame formed by lap joint of the supporting rods and the connecting rods, the berthing component is stably and accurately fixed to the supporting rods and the connecting rods through the positioning mechanisms and the fixing mechanisms, and follow-up construction and installation are facilitated.

The invention discloses a protection type fender hanging bracket with a load lifting mechanism, and belongs to the technical field of fender hanging brackets, the protection type fender hanging bracket comprises a mounting frame fixedly mounted on a wharf through bolts, a guide rail is fixedly and integrally arranged on the outer side of the mounting frame, a through groove is formed in the mounting frame, and meanwhile an adjusting seat is arranged on the outer side of the mounting frame in a lifting mode; a load lifting mechanism is arranged on the adjusting seat, a limiting cylinder is fixedly installed on the rear side of the adjusting seat, and a negative pressure adsorption assembly used for fixing the adjusting seat is arranged on the inner side of the limiting cylinder; a cleaning assembly used for cleaning the floating air bag is arranged on the outer side of the lower portion of the adjusting base. The protection type fender hanging bracket with the load lifting mechanism can automatically lift and adjust the position height of the fender hanging bracket under the action of buoyancy in a load mode, can prevent waves from influencing the adjusting position precision, achieves precise buffering, can achieve multiple buffering at the same time, and effectively improves the buffering protection effect on a ship.

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.

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.

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.

The invention relates to a crashworthiness analysis and optimization design method of a steel and UHPC (Ultra High Performance Concrete) combined anti-collision device. According to the anti-collision performance analysis method, the resistance-collision depth relation of the inner core structure, the top steel plate, the bottom steel plate and the outer steel plate is considered at the same time, the calculation method is scientific, the calculation result is safe and reliable, compared with a traditional mode depending on a refined finite element model, the method can rapidly judge the anti-collision performance of the anti-collision device, a large amount of calculation cost and time are saved, and the calculation efficiency is improved. And actual engineering requirements are met. The design method is optimized, the relation between ship resistance and collision depth and the relation between anti-collision device resistance and collision depth are combined, or the relation between ship resistance and collision depth, the relation between anti-collision device resistance and collision depth and the relation between pier resistance and collision depth are combined, and the peak collision force and the maximum collision depth of the anti-collision device can be accurately predicted according to the ship speed and the ship drainage tonnage. According to the method, the design scheme of the anti-collision device can be rapidly adjusted and optimized in the preliminary design stage, and efficient and accurate design is achieved.

The utility model relates to the technical field of self-floating type pier anti-collision devices, and provides a split type pier anti-collision device which comprises a buoy and a plurality of fixing mechanisms, the buoy comprises an upper floating ring and a lower floating ring, the upper floating ring abuts against the upper portion of the lower floating ring, the upper floating ring and the lower floating ring are arranged on the outer side of a pier in a sleeving mode, and the upper floating ring and the lower floating ring float on the water surface; the fixing mechanism comprises two limiting plates and a pin shaft, the two limiting plates are fixedly arranged on the peripheral sides of the upper floating ring and the lower floating ring respectively, and a first fixing hole and a second fixing hole are defined by the two limiting plates and the upper floating ring and the lower floating ring respectively; and the pin shaft is detachably fixed in the first fixing hole and the second fixing hole. The float bowl is provided with the upper floating ring and the lower floating ring, and the upper floating ring and the lower floating ring are fixedly connected through the limiting plates and the pin shafts on the peripheral sides of the upper floating ring and the lower floating ring, so that the height of each component in the float bowl is effectively reduced, the float bowl can be conveniently transported, and the problem of ultrahigh transportation is avoided.

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.

The invention discloses an automatic wharf for water conservancy informatization and water conservancy projects, mainly relates to the technical field of wharf docking, and comprises a wharf main body, and a limiting assembly and a ship locking assembly are mounted on the wharf main body; the limiting assembly connecting rods drive the annular air bags to freely swing around the hinge shafts, the multiple annular air bags get away from or get close to each other and make sliding contact with the prows of the ships, and docking limiting is provided for the ships with the prows in different shapes. The ship locking assembly is provided with an air spring and a rotating swing arm, the air spring stretches out and draws back to drive the rotating swing arm to clamp the ship side of the ship, a rotating roller is installed at the executing end of the rotating swing arm, a servo motor and a speed reducer in the rotating roller rotate and lock to drive the ship to enter, exit and berth, and therefore the ships of different shapes and different sizes can be stably and accurately berthed.

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.

To provide a ship mooring facility capable of suppressing damage caused by flooding of rivers and drainage channels flowing into the rivers, and flooding of river basins, while also significantly suppressing the need to increase the size of drainage facilities and the labor and costs required for daily maintenance and management. [Solution] A ship mooring facility 16 is formed comprising a tugboat 17 floated on a river 10 with its bow 24 facing upstream of the river 10 and having a screw 22 that generates propulsion, a towing line 18 connected to the tugboat 17, and a pile 20 connected to the towing line 18 and fixed to the riverbed 19, the pile 20 having an arrangement space E1 that keeps the towing line 18 connected, and the arrangement space E1 being closed on the upstream side of the river 10 and open on the downstream side of the river 10.

The utility model relates to the technical field of bridge pier protection, specifically a bridge pier protection structure for a wading bridge, including pontoons, which are in multiple groups and are arranged at intervals along the circumference of the pier, a card block is fixedly arranged on one side of the pontoon, a card slot matched with the card block is arranged on the other side of the pontoon, multiple groups of baffles are arranged at intervals along the circumference of the pier on the outer side of the pontoon, a fixing rod is fixedly arranged on one side of the baffle close to the pontoon, a slide groove matched with the fixing rod is arranged on the pontoon, multiple groups of springs are arranged at intervals between the pontoon and the baffle, and the two ends of the spring are respectively connected to the pontoon and the baffle, multiple groups of through holes are arranged on the baffle along the circumference of the pier, rollers are rotatably arranged on the baffle in the through holes, and an assembling mechanism is arranged on the baffle. In this device, staff can cover the pier by splicing multiple groups of pontoons, and when the water depth changes, the pontoon can drive the baffle to rise and fall accordingly, so as to achieve effective protection of the pier, and the application range is wide.

The disclosure belongs to a technical field of ship berthing equipment, and in particular to a ship auxiliary berthing device, specifically including: a first auxiliary component, a second auxiliary component and a third auxiliary component connected in sequence, the third auxiliary component is connected with a harbor shore, the first auxiliary component is abutted with the ship, and the first auxiliary component, the second auxiliary component and the third auxiliary component are all used for buffering and berthing the ship; the first auxiliary component includes an arc-shaped rod sliding in an arc shape, two ends of the arc-shaped rod are provided with buffering parts, the arc-shaped rod is arranged on a vertical plane, and the arc-shaped rod is concave to the ship.

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.

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.