27 results about "Jetty" patented technology

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.

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.

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.

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.

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.

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 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.

This application relates to the field of shipbuilding technology, and more particularly to an extended jetty and a method for launching a ship. The extended jetty includes a base, a rolling shaft assembly, jetty fixtures, and a lifting assembly. The base is arranged on a stepped surface of the slipway along the extension direction of the fixed jetty. The rolling shaft assembly is detachably mounted on top of the base, supporting the jetty fixtures and engaging with them in a rolling manner. The lifting assembly is located on the outer side of the base. The base and the jetty fixtures are connected by diagonal braces. When the connection between the rolling shaft assembly and the base is released, and the connection between the base and the jetty fixtures is also released, the lifting assembly can lift the rolling shaft assembly, so that the bottom surface of the jetty fixtures is higher than the top surface of the fixed jetty. The solution provided by this application, through the cooperation of the rolling shaft assembly and the lifting assembly, allows the jetty fixtures to be safely and conveniently lifted and moved out of the space below the ship after the connection is released, solving the problem of the difficulty in dismantling and transporting traditional temporary jetties.

This invention discloses a novel honeycomb-patterned, multifunctional wave-damping and wind-resistance-reducing floating structure, relating to the field of floating facility technology. The invention comprises multiple arrayed floating units, each unit consisting of coaxial upper and lower structures. The upper structure has a larger perimeter, and a flow channel is formed between adjacent lower structures. The upper structure is an octagon with an arc, while the lower structures are either cylindrical at the top and conical at the bottom. The units are connected by connecting lugs to form a honeycomb-patterned, hollow mesh structure, with wave-dissipating channels formed between the lower structures of adjacent floating units. This invention achieves wave dissipation, wind resistance reduction, and reduced structural sway. It is easy to construct, allows for easy passage of debris, and is suitable for various water-related engineering projects such as floating bridges, docks, floating parks, water landscape projects, and floating platforms.

The application provides a wave compensation type closed telescopic pump control hydraulic system for a marine trestle, which comprises a hydraulic main circuit, an auxiliary oil source device and a constant pressure air source device, and the hydraulic main circuit comprises a servo motor, a bidirectional quantitative pump, an overflow valve group, a one-way valve group, a reversing valve group, a pressure reducing valve, a sensor and a bidirectional pump motor; the application realizes three wave compensation modes of active compensation, constant thrust compensation and floating compensation through the hydraulic main circuit, the auxiliary oil source device and the constant pressure air source device; through the constant thrust compensation mode, the application can keep contact with the side of a target platform with constant extrusion force when the offshore platform does not support rigid connection; through the active compensation mode and the floating compensation mode, the application can complete rigid connection and adaptive compensation following the sea wave fluctuation when the offshore platform supports rigid connection, and energy consumption is reduced.

An apparatus and method for oxygenating water in ponds, lakes, and seas while simultaneously providing a water massage to a user. The apparatus comprises a submersible frame (1) equipped with a plurality of nozzles (6) that deliver air bubbles or water jets, creating a massaging effect while oxygenating the surrounding water. The frame can be used independently, placed on the lake bottom, or attached to a watercraft or a jetty using a coupling element (16). This invention enables use in diverse environments, including oxygen-depleted waters and those unsuitable for traditional bathing due to low temperatures, parasites, or potentially dangerous aquatic life or flying stinging insects. The apparatus may further include an enclosure for protecting the user from undesirable aquatic life, cold water, or flying insects. The invention addresses the limitations of existing solutions by providing a versatile and convenient way to improve water quality and enhance recreational water activities.

The invention belongs to an offshore platform trestle, and particularly discloses a jacking device and an offshore platform trestle, and the jacking device comprises a horizontal jacking assembly used for jacking an offshore platform in the horizontal direction; the vertical abutting assembly is arranged below the horizontal abutting assembly and used for abutting against the offshore platform in the vertical direction. The horizontal force detection assembly is matched with the horizontal abutting assembly and used for detecting the horizontal acting force borne by the horizontal abutting assembly; the vertical force detection assembly is matched with the vertical abutting assembly and used for detecting the vertical acting force borne by the vertical abutting assembly. According to the jacking device, the numerical values of acting force in different directions borne by the jacking device can be rapidly and accurately obtained, efficiency is improved, it can be guaranteed that the jacking device stably abuts against the offshore platform, and safety, stability and reliability are high.

This invention relates to a movable bored pile construction platform and construction method, belonging to the field of bored pile construction technology. The entire construction process involves moving the movable platform as a whole. First, the movable platform is hoisted to the current work surface and supported by temporary support frames located on both sides of the wharf's width. After the current work surface is completed, the movable platform is then moved horizontally along the length of the temporary support frames to the next work surface until construction is complete. This entire construction process avoids the need for multiple stages of erecting and dismantling the steel platform piece by piece, significantly saving costs and improving construction efficiency.

The application belongs to the technical field of offshore floating body and relates to a floating bridge connecting structure. A hinge seat box (3) is arranged at one end of a first floating body (1), a guide column (8) is arranged on the hinge seat box (3), a positioning pin hole (9) is arranged on the guide column (8), a hinge arm base (4) is arranged at one end of a second floating body (2), a connecting shaft (10) is arranged on the hinge arm base (4), a positioning hole (11) is arranged at one end of a hinge arm (5), a connecting hole (12) is arranged at the other end of the hinge arm (5), the positioning hole (11) of the hinge arm (5) is sleeved on the guide column (8), and the connecting hole (12) of the hinge arm (5) is sleeved and connected on the connecting shaft (10). The floating bridge connecting structure is convenient for connecting floating bodies in wave motion, is beneficial to quick combination and decomposition of the floating bodies, greatly improves the assembly efficiency of the floating bodies, fully releases wave bending moment, guarantees the safety of the structure, and the hinge arm not only bears large tension but also bears vertical shear force and transverse shear force.

The invention relates to a semi-underwater concrete abutment structure and a construction method thereof, and belongs to the technical field of wharf construction. The semi-underwater concrete abutment structure comprises a steel pipe pile, a base, a connecting piece and a concrete layer. The lower ends of the steel pipe piles are inserted into an underwater soil layer of a to-be-constructed area, and the upper ends of the steel pipe piles are arranged upwards; the base is provided with a reserved hole allowing the steel pipe pile to be inserted therein. The connecting piece is arranged at the preformed hole and used for connecting the base and the steel pipe pile; the concrete layer is poured on the base and covers the tops of the connecting pieces and the steel pipe piles. According to the semi-underwater concrete abutment structure, the base is prefabricated firstly, the prefabricated base is connected with the steel pipe piles, then concrete is poured on the base layer by layer, the semi-underwater concrete abutment structure is formed, the overall strength of the semi-underwater concrete abutment structure is high, the construction difficulty and the operation time in the overwater complex environment are reduced, the construction cost is low, and the construction efficiency is high.

This invention relates to the field of HDPE pipeline transportation technology, specifically to a method for constructing HDPE pipeline transportation tracks, comprising the following steps: S1. Leveling the site and filling in temporary wharves and cofferdams; S2. Constructing the track beam foundation; S31. Installing the horizontal section of the track beam; S32. Pouring the track beam on the land slope section; S33. Installing the track beam in the water entry section; S4. Installing a winch. This method effectively overcomes the shortcomings of high difficulty and low construction efficiency in constructing HDPE pipeline transportation tracks at the seaside.

This invention discloses a guide embankment structure, comprising a superstructure and two rows of foundation sheet piles. The superstructure is composed of multiple arched bodies, each arched body including a semi-cylindrical body and a crossbeam. The crossbeam includes two longitudinal ribs and two transverse ribs. Two node holes are vertically formed at the midpoint of the width of each of the two longitudinal ribs. Inner and outer vertical ribs extend downwards from the bottom surfaces of the two longitudinal ribs, one inside and one outside the node holes, respectively. Each arched body rests on the riverbed surface via the inner and outer vertical ribs. Each row of foundation sheet piles is composed of multiple sheet pile units, each sheet pile unit including two irregularly shaped sheet piles and several conventional sheet piles. The tops of the two irregularly shaped sheet piles are inserted into the two node holes, forming a node cavity between the top of each irregularly shaped sheet pile and the wall of the corresponding node hole. Several conventional sheet piles are inserted between the inner and outer vertical ribs, forming an interrib cavity between the inner and outer vertical ribs and the foundation sheet piles. Fine aggregate concrete is poured into both the node cavities and the interrib cavities. This invention effectively improves structural stability.

The invention discloses an underwater steel pipe pile cutting method, and belongs to the technical field of underwater engineering. An underwater remote control operation vehicle carrying a hydraulic mechanical arm, a multi-beam scanning sonar and an underwater range finder is moved to the range 2-5 m away from a target steel pipe pile, three-dimensional point cloud data of the steel pipe pile are obtained through the multi-beam scanning sonar, a preset cutting path is calculated, and the hydraulic mechanical arm is operated to enable a high-pressure water jet cutting spray head to move to the starting point of the path; starting a spray head to cut along a preset cutting path at the speed of 1-5mm / min under the conditions that the injection pressure is 350-400MPa and the abrasive flow is 0.8-1.2 kg / min, starting an underwater range finder to measure the vertical distance between the spray head and the path in real time at the frequency of 5-10Hz, comparing the vertical distance with a preset reference distance of 150mm, and determining the distance between the spray head and the path; closed-loop adjustment is conducted on the posture of the spray head through the hydraulic mechanical arm, and the device is mainly used for precise cutting operation of target steel pipe piles in underwater structures such as bridges and wharfs.