50 results about "Jetty" patented technology

The invention is suitable for the technical field of path planning, and provides a path planning method, a robot and a computer readable storage medium. The method comprises the following steps: inputting environment map information, starting point position information and ending point position information into a path planning model to obtain a target feature vector; determining a first forward tree and a first backward tree based on a predetermined algorithm of the path planning model, the environmental map information, the starting point position information and the ending point position information; based on a predetermined algorithm and the target feature vector, sampling is carried out on the heuristic region, and sampling information is determined; and based on a predetermined algorithm and the sampling information, performing tree structure processing on the first forward tree and the first backward tree, and determining a target planning path. The path planning method provided by the embodiment of the invention is suitable for a highly unstructured scene, can execute a comprehensive and efficient detection task based on the target planning path, and can be designed for underwater detection tasks of different wharf structures in the ocean.

The utility model provides a hoisting height control device for underwater pouring of a reinforcement cage, which comprises a support and the reinforcement cage, two slide rails are arranged on the support, a moving device is arranged between the two slide rails, support beams are arranged at two ends of the moving device, the support beams slide relative to the slide rails, two winches are arranged on the support beams, and the winches are arranged on the support. The reinforcement cage is connected with a plurality of winches through steel wire ropes, and a laser gradienter is arranged on one side of the support. And height control and pouring work are carried out. The whole structure is simple, a support structure is used, rapid movement can be achieved, and the situation that the truck-mounted crane needs to keep a full use distance from the front edge of a wharf when used is avoided, so that the truck-mounted crane is prevented from occupying land lanes behind the wharf, and the riding experience of passengers driving the sea and the operation order of the wharf are affected. The scale marks are arranged on the steel wire rope, the laser gradienter is used for monitoring the elevation, the high-precision requirement of the elevation of the reinforcement cage can be guaranteed, and meanwhile the phenomenon that the elevation is controlled by a diver entering water when the truck is hoisted is avoided.

The invention belongs to the technical field of immersed tunnels, and particularly discloses a reinforced concrete immersed tunnel floating state pouring test device and method, and the device comprises a test pool, a pipe joint mooring model, a floating state pouring model and a monitoring instrument. The test pool simulates the actual water area environment, and the pipe joint mooring model is composed of an immersed tunnel model, a wharf model and a mooring rope and simulates the rigidity characteristic and dynamic response of a mooring system; the floating state pouring model comprises a crane, a pouring funnel and a pouring template, the pouring funnel is filled with model mulling sand, and the bottom of the pouring funnel is open and connected with the valve control system so as to adjust the falling speed of the model mulling sand; the monitoring instrument comprises a cable dynamometer and a six-degree-of-freedom monitor and is used for acquiring mooring force and pipe joint motion parameters in real time. The device can accurately simulate the floating pouring process of the immersed tunnel, provides data support for a floating pouring scheme, has remarkable beneficial effects, and can be widely applied to simulation of the floating pouring process of the immersed tunnel and other water floating bodies.

A floating LNG storage barge with one or more LNG tanks provides mobile storage for LNG, by obtaining LNG from one or more LNG ocean transport vessels while the LNG storage barge is moored to a land-based jetty, transferring LNG to one or more land transfer trucks, pipelines or railroad tankers using an LNG distribution manifold and flexible hoses between the distribution manifold and the trucks via pumps or pressure differential between the LNG storage barge with the potential for LNG processing adaptive capacity.

The invention discloses mud removing and pile cutting equipment for a waste pile foundation and a construction method of the mud removing and pile cutting equipment. The equipment is composed of a sleeve assembly, a hydraulic pile cutting shearing mechanism and a mud removing reamer assembly. The sleeve assembly comprises a cylindrical inner sleeve; the hydraulic pile cutting and shearing mechanism comprises hydraulic shearing equipment, the bottom of the hydraulic shearing equipment is rotationally connected with a dredging reamer assembly through a rotary support, the dredging reamer assembly comprises a hollow supporting barrel, a spiral reamer is arranged on the outer wall of the dredging reamer assembly, and a plurality of third overflowing holes are formed in the reamer face at intervals. A plurality of form relieved teeth are arranged on the end face of the tail end of the lower side of the spiral reamer, and a serrated knife with a plurality of form relieved teeth is arranged on the outer wall, opposite to the spiral reamer, of the supporting cylinder; according to the equipment and the construction method, the old pile foundation can be cut to the designed elevation position at a time, the cut-off pile and the equipment are integrally hoisted and transferred, the construction procedures are reduced, the equipment loss is reduced, meanwhile, the operation efficiency is improved, and the equipment and the construction method can be widely applied to reconstruction, extension and upgrading reconstruction of old wharfs and land waste structures.

This invention relates to the field of disaster prevention and mitigation technology for marine engineering structures, and discloses a method for plotting vulnerability curves of guide seawall structures based on random load combinations. The method includes: constructing a nonlinear finite element model of a deep-water guide seawall; introducing a two-dimensional phase coupling vector to generate random dynamic load samples containing temporal coupling characteristics of earthquakes and waves; inputting the samples into the model, tracking the structural frequency drift in real time and considering pore flow abrupt change damping, and calculating the multidimensional dynamic response of the structure; constructing a multidimensional dynamic limit state surface that shrinks with cumulative plastic damage, and determining the failure state based on the relative relationship between the dynamic response and the state surface; estimating the failure probability using extreme value statistics theory, and establishing a probabilistic demand model containing cross-coupling terms of earthquake and wave intensity; and plotting a vulnerability surface describing the change of the failure probability with bivariate strength indices based on this model. This invention can accurately assess the dynamic reliability of deep-water guide seawalls under the coupling effects of multiple disasters.

The invention relates to the technical field of port engineering, and discloses an assembly type construction method and system for an upper structure of a jetty wharf, and the construction method comprises the following steps: after sinking a steel pipe pile, fixing and processing a pile head by using a hoop type pile cutting platform through static friction force between a hoop and the steel pipe pile; fully-prefabricated longitudinal and transverse beams are produced, the higher part is also used as a cast-in-place formwork, and shear-resistant steel bars and a cantilever structure are pre-buried; friction hoops with water stop pads are arranged on the steel pipe piles, and I-shaped steel is erected through connecting seats to form a construction platform; the prefabricated parts are hoisted and post-cast through the joints to form an integral structure, and finally a surface layer is cast and ancillary facilities are installed. By integrating related platforms, component systems and hoisting equipment, core construction is converted into land prefabrication and land-like operation, the problems that traditional construction is affected by sea conditions, the efficiency is low, quality is difficult to control, the safety risk is high, cost is high, and environmental disturbance is large are solved, and multiple targets are achieved.

This invention discloses an underwater sinking and fixing device for an emergency power supply box, including sinking channels installed on the left and right sides of the underwater work area near the dock. The sinking channels are equipped with a sinking device and a fixing device. The sinking device includes guide rails arranged on the dock sidewall, with an electric hoist installed at the upper end of the guide rails. The back of the emergency power supply box is slidably connected to the guide rails, and the top of the emergency power supply box is hoisted and connected to the electric hoist. This invention provides an efficient and safe sinking and fixing device for emergency power control boxes required in the underwater work area near the dock. It is simple to operate, and the sinking structure is stable and reliable, comprehensively improving the stability and safety of the various functional modules of equipment in the work area.

The utility model discloses a bridge and wharf underwater pile foundation reinforcing device with a multi-angle repairing function, which comprises a reinforcing mechanism sleeved on the outer side of a concrete pile and used for reinforcing the concrete pile. The reinforcing mechanism comprises a first reinforcing cover, a second reinforcing cover, a third reinforcing cover and a fourth reinforcing cover, and the first reinforcing cover, the second reinforcing cover, the third reinforcing cover and the fourth reinforcing cover are fixedly connected to the outer side of the concrete pile in a sleeving mode through reinforcing assemblies. A plurality of reinforcing bolts are arranged to screw the flexible steel plates in the first reinforcing cover, the second reinforcing cover, the third reinforcing cover and the fourth reinforcing cover to the concrete pile, so that the flexible steel plates are attached to the outer cambered surface of the concrete pile; and then the first reinforcing cover, the second reinforcing cover, the third reinforcing cover and the fourth reinforcing cover are reinforced through an external reinforcing assembly, and underwater non-dispersed concrete grouting materials and underwater non-dispersed epoxy grouting materials are poured into a pouring cavity and a semi-pouring cavity through a pouring opening and a semi-pouring opening, so that the reinforcing effect on the concrete pile is improved.

The application relates to the technical field of hydraulic construction engineering, in particular to a gravity type block pier prefabricated block hoisting device and a mounting method, wherein the hoisting beam comprises an upper beam, a rotary support structure and a lower beam; the upper beam is connected with the lower beam through the rotary support structure; the rotary support structure and the lower beam are linearly arranged along the axis of the upper beam in sequence; two transmission assemblies are slidably connected in the lower beam, and the two transmission assemblies are located on the two sides of the support structure. The application has the effects of ensuring the angle adjustment between the prefabricated concrete blocks, pushing the rear block to move to the alignment direction of the front block through the hydraulic telescopic arm, ensuring the alignment through the push arm crossbar, significantly improving the underwater installation stability of the prefabricated blocks, facilitating the control of the block installation seam width and the edge line, avoiding the problems of the through cracks, the angle defects, the large tooth deviation, the uneven block spacing, the large structural size deviation and the like.

This invention discloses a liftable breakwater for tsunami disaster protection in dock areas, relating to the field of breakwater technology. It includes an outer shell mechanism with a lifting mechanism inside. The top of the outer shell mechanism has a limiting mechanism, and the back of the outer shell mechanism has an extension mechanism. The lifting mechanism includes a water-blocking plate, with a hydraulic cylinder and a support pad at the bottom of the water-blocking plate, achieving efficient protection and flexible adaptation. The outer shell mechanism uses a pre-embedded box and a top plate combination, combined with the hydraulically driven water-blocking plate, ensuring smooth lifting and strong load-bearing capacity. The limiting mechanism, through threaded rod and locking plate linkage, achieves multi-level fixing, preventing displacement due to wave impact. The extension mechanism, through the sliding cooperation of side block B and positioning plate B, combined with the double protection of sealing plate and sealing gasket, improves the breakwater's height expansion capability and sealing performance, optimizes maintenance convenience, and the overall structure balances stability, adaptability, and operational efficiency.

A moored floating semi-submersible offshore wind turbine (1), the platform having at least three columns supported on two long strip-shaped underwater buoys in a T-shape, wherein one buoy (12) is perpendicular to the other buoy (11). A method for efficiently transporting a semi-submersible platform (1) to a second construction site close to a final offshore operation site after the hull components and sections are built at a first construction site, wherein the hull components and sections are assembled in a floating state at the dockside at the second construction site. At least one wind turbine device (301) or two wind turbine devices can be installed on the platform on a supporting structure (wind tower) (302). In the latter case, the platform is moored at sea using a mooring turret so that the platform faces a favorable wind direction.

The utility model discloses an anti-skid floor for an airport gallery bridge, which comprises a base layer provided with a first surface and a second surface opposite to each other along the layer thickness; the first surface is provided with a wear-resistant surface layer; carborundum particles and quartz sand particles are fixedly embedded in the top surface of the wear-resistant surface layer, the particle size of the quartz sand particles is larger than the thickness of the wear-resistant surface layer, the particle size of the carborundum particles is larger than that of the quartz sand particles, and a net-shaped water guide channel is formed between the carborundum particles and the quartz sand particles. By controlling the particle sizes of the carborundum particles and the quartz sand particles, concave-convex grains with different heights are formed on the surface of the wear-resistant surface layer, so that the anti-skid performance of the floor is improved; through gaps between the carborundum particles and the quartz sand particles, a net-shaped water guide channel is formed, and the anti-skid performance of the floor is further improved; the quartz sand particles and the carborundum particles sequentially protrude out of the surface of the wear-resistant surface layer, visual discomfort caused by dense particles in a single color is overcome, and the depth of the water guide channel and the wear resistance of the floor are optimized through progressive protrusions.

The application discloses a telescopic corridor bridge and belongs to the technical field of horizontal riveting type frames. The telescopic corridor bridge comprises a first suspension frame and a second suspension frame which are oppositely arranged and respectively suspended on a rotating shaft of a fixed flange plate and a movable flange plate, and a pedal assembly arranged between the first suspension frame and the second suspension frame; the pedal assembly comprises a plurality of first type frames which are transversely and interval connected on the first suspension frame and a plurality of second type frames which are transversely and interval connected on the second suspension frame; the first suspension frame and the second suspension frame are staggered and overlapped in sequence, and an embedded component is slidingly embedded between adjacent first type frames and second type frames. The telescopic corridor bridge is divided into two parts which are overlapped with each other, so that the corridor bridge can be telescoped, the length of the corridor bridge is changed, the telescoping process is simple and rapid, meanwhile, the assembly and disassembly can be realized by sliding at the overlapped position, so that the disassembly of the whole corridor bridge is simple and rapid.

The present invention relates to a method for analyzing the wave diffraction coefficient for an open double jetty. The method comprises the following steps: Step S1, establishing an open double jetty model in a Cartesian coordinate system; Step S2, obtaining the Helmholtz equation for the complex function in the velocity potential function based on the velocity potential function and linearized free surface boundary conditions; using the Schwarz-Christoffel conformal transformation and the Green's function method to perform a boundary value solution on the Helmholtz equation to obtain a wave diffraction coefficient model for the open double jetty; and Step S3, numerically solving the wave diffraction coefficient model using the method to obtain an analytical value of the wave diffraction coefficient. Compared with the prior art, the method of the present invention fills a gap in the theory of wave diffraction for open double jetties and has the advantage of high analytical prediction accuracy.

Disclosed in this document are beach safety devices, beach safety systems, and methods of use referred herein as BSDS. The BSDS utilizes various connected, electronic tools that improve the safety, operational efficiency, and emergency response time of a designated beach. In one form, the BSDS utilizes a visual warning system utilizing a colored warning light language. The BSDS comprises at least one central command tower CCT having various combinations of warning lights, audio generator, an emergency button, a life ring handle detector, and a beach monitoring module to process and initiate a response to beach condition data and emergency signals. Some embodiments further comprise one or more zone emergency towers networked with the CCT that are spread across the beach front or pier to extend the safety coverage across the beach. Other BSDS peripherals include a life ring node, a modular buoy node, a sensor buoy node.

The present disclosure provides an aircraft docking port and a boarding bridge, the aircraft docking port is provided with a leveling mechanism, the leveling mechanism comprises a leveling wheel for contacting the surface of the aircraft body; the aircraft docking port is also provided with a snow and ice removal and anti-freezing device, which comprises a hot air blower module, a flow guide module and an air outlet module; the air outlet module is arranged on the leveling mechanism and has an air outlet arranged close to the leveling wheel; the hot air blower module is arranged on the aircraft docking port and connected to the air outlet module through the flow guide module; the hot air generated by the hot air blower module flows to the air outlet module through the flow guide module and is blown out to the surface of the leveling wheel and the contact area of the surface of the aircraft body in contact with the leveling wheel through the air outlet. Through the above structure design, the present disclosure uses the snow and ice removal and anti-freezing device to realize the blowing of hot air to the leveling wheel of the leveling mechanism and the contact area of the surface of the aircraft body, actively removes the ice and snow in the above area, and realizes the efficient ice and snow removal and anti-freezing function.

A fiber optic receptacle (110) for mounting a plurality of fiber optics (200) inside a housing part (100), comprising a plurality of light baffles (112), wherein the plurality of light baffles (112) is configured to arrange the plurality of fiber optics (200), which are mechanically coupled to one another by means of a bridge (200b), in spaces between two light baffles (112) of the plurality of light baffles, and to optically decouple spatially adjacent fiber optics (200a) from one another by means of the respective light baffle (112), wherein the plurality of light baffles (112) are integrated components of the housing part (100), characterized in that a discharge barrier (120) connecting the two light baffles (112) is arranged between each pair of light baffles (112), which is configured toto extend a distance from the respective opening (116) in the housing part (100) to an entry window (200c) of a respective mounted light guide (200a) in order to reduce electrostatic effects.

The invention relates to the technical field of ladder cage installation, and discloses a damping device for connection of an offshore steel trestle and a ladder cage base, the damping device comprises a base plate and a fixing assembly, the surface of the base plate is integrally connected with a supporting table, bottom feet of a ladder cage are placed on the upper surface of the supporting table, and the fixing assembly is composed of multiple sets of fixing plates; the multiple sets of fixing plates correspondingly cover the side edges of the bottom feet respectively and are sequentially connected end to end in the circumferential direction to jointly cover the side edges of the bottom feet. The first shock pads are arranged between the elevator bottom feet and the fixing plates wrapping the elevator bottom feet in the circumferential direction, when offshore vibration is transmitted to the elevator bottom feet, the first shock pads can elastically deform to efficiently absorb vibration energy, and vibration transmission is weakened; meanwhile, the multiple sets of fixing plates are connected end to end in the circumferential direction of the bottom feet and are fixed to the base plate and the elevator bottom feet in a double-welding mode, the design of the trapezoid prism-shaped connecting blocks is adopted, the trapezoid prism-shaped connecting blocks are matched with the corresponding connecting grooves, and the tensile bearing capacity of the fixing plates in the horizontal direction is greatly improved.

The invention relates to the technical field of fixing devices, in particular to a floating wharf movable approach bridge fixing device which comprises a wall, a movable bridge is installed on one side of the wall through an iron rope, a fixing shaft is fixedly connected to the interior of the wall, and the exterior of the fixing shaft is connected with the movable bridge through a connecting piece. An extrusion plate is installed on the lower portion of the wall, a bridge extrusion bag is fixedly installed on the upper portion of the extrusion plate, the interior of the bridge extrusion bag is used for storing lubricating oil, the output end of the bridge extrusion bag is used for lubricating the hinged position between the connecting piece and the fixing shaft through an oil conveying pipe, and a cleaning device is arranged outside the fixing shaft. And the cleaning device is used for cleaning dust outside the connecting piece, and through the arrangement of the bridge extrusion bag, the cleaning device and the extrusion plate, the problems of lubricating and cleaning of the hinged position of a traditional fixing device are effectively solved.

1. The name of the design product: buoy (light buoy series). 2. The use of the design product: the design product is used to build a floating pier or a floating bridge on water. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

A floating drive-on pontoon boat port comprising at least one support section. The at least one support section comprises a one piece base defining right and left portions and right and left pontoon tracks fixed to right and left portions, respectively, of the base. The pontoon tracks have a length equal to a majority of the front-to-back length of the base. Each pontoon track defines a track channel defined at least in part by opposed sloping side walls and having a slide assembly on each wall of said track channel adapted to facilitate movement of a pontoon boat longitudinally along said pontoon track.

The invention relates to the technical field of ocean engineering, in particular to a double-layer perforated plate flow guide breakwater which comprises connecting piles and double-layer perforated flow guide plates. Each connecting pile comprises a pile cap, a pile body and a cattle foot; the two groups of double-layer perforated guide plates are arranged in parallel front and back, each group comprises a plurality of perforated guide plates, each perforated guide plate is provided with a plurality of holes, the perforated guide plates in each group are connected into a whole side by side through the connecting piles, and the connecting piles are positioned on two sides of the perforated guide plates. According to the structure, through the optimized design, the wave dissipation effect and the structural stability of the breakwater are improved, and meanwhile the construction difficulty and cost are reduced. The structure is particularly suitable for ports, wharfs and coastal protection in the marine environment.

An adjustable gangway with steps for bridging variable height differences has a framework consisting of two lateral longitudinal supports (VN), between which two or more steps are clamped, where one step is a top fixed step (STF) at a fixed end of the longitudinal supports of the gangway (M) and this step is firmly mounted on a top board of a pier (Pop), or in an alternative implementation example, on a deck of a vessel (PL), and where the two longitudinal supports rotate around a transverse axis (5) of this step, and where the second step is a rotating intermediate step (STV) or where there are several such steps (STV), rotatably connected along its lateral sides with the left and right longitudinal support (VN) of the gangway. The intermediate rotating step rotates around its transverse axis (y) with a mechanism of a chain drive of the gangway, so that a walking board of the intermediate rotating step (STVp) always takes a horizontal position regardless of the angle of inclination of the gangway (M) and its longitudinal supports against the vertical wall of the pier (Pov). The chain drive of the gangway is in at least one of the two longitudinal supports of the gangway.

The invention relates to the technical field of wharf construction, in particular to a movable reverse hanging formwork supporting system and a breast wall construction method.The movable reverse hanging formwork supporting system comprises a cross beam, and a walking mechanism, a backwater side formwork and a waterside formwork are sequentially connected to the bottom of the cross beam at intervals; the top of the backwater side mold is connected with the cross beam, and a backwater bottom mold is movably connected to the side, facing the near-water side mold, of the bottom of the backwater side mold and can move in the first direction relative to the backwater side mold; the top of the near-water side mold is in swinging connection with the cross beam; one side, facing the backwater side mold, of the bottom of the near-water side mold is connected with a near-water bottom mold; an end formwork is further connected between the end of the backwater side formwork and the corresponding end of the waterside formwork, and the end formwork is detachably connected with the waterside formwork. The technical problems that in the prior art, an on-site formwork splicing mode is adopted for breast wall construction, the construction efficiency is low, the construction cost is high, the construction period is long, and the shape of the breast wall is prone to deviating from the design requirement can be solved.

The utility model discloses a detection device for an airport gallery bridge antiskid floor, which comprises a rack, a base plate used for simulating a gallery bridge, a to-be-detected floor arranged on the base plate, and shoes used for detecting the antiskid performance of the floor and worn by detection personnel, and is characterized in that the rack is provided with steps convenient for the detection personnel to climb on the base plate; the base plate is connected with the rack, and handrails are fixedly arranged on the two sides of the base plate. The detection device for the anti-skid floor of the airport gallery bridge is reasonable in structure, walking of passengers on the gallery bridge can be simulated, and the accuracy of a detection result is improved.