Dalian University of Technology

Other

Yan Lin

Xiaoning Jiang

Yanyun Yu

Ming Chen

Yunlong Wang

Guan Guan

Kai Li

Tieli Li

Chaoguang Jin

Chao Ye

Fei Pei

Xuanyi Bian

Zhikang Zhang

Linmao Zhang

Zhuoshang Ji

A trash skimmer boat including a hull, a connection member, a transmission, a grille assembly, and a measuring member. The hull includes two pontoons and a gap between the two pontoons, and the two pontoons are symmetrical with respect to the gap. Each pontoon includes a deck, a bottom plate, a first side plate, a second side plate, a first sealing plate, a second sealing plate, and a third sealing plate. The connection member includes two longitudinal bars and two transverse bars connecting to one another to form an octothorpe-shaped frame. The transmission comprising a motor, a drive wheel, a driven wheel, a connection plate, and a conveyor belt. The grille assembly including a plurality of flat grilles and a curved grille. The measuring member including a T-shaped frame and a probe. The gap is disposed between two second side plates.

Trash skimmer boat

Disclosed are a self-righting unmanned ship suitable for adverse sea conditions and a self-righting working mode thereof, belonging to the field of unmanned ship equipment and techniques. The unmanned ship comprises a main hull, a self-righting deck, an equipment and pipeline mast, a propeller, a radar, an air inlet and exhaust system, and a main engine system. Through the design of a watertight deck, the hull of the unmanned ship has a self-righting function, avoiding the possibility of the unmanned ship itself turning over, without installing additional self-righting equipment. Meanwhile, the internal structure and the self-righting working mode of the unmanned ship make it possible for the hull to automatically turn off the main engine and the air inlet and exhaust system when the heeling angle of the hull exceeds a certain angle, making the whole ship watertight.

Self-righting unmanned ship suitable for adverse sea conditions and working mode thereof

A device for measuring liquid sloshing force of a ship transporting liquid. The device includes a first cuboidal frame; a second cuboidal frame; a rotating mechanism; a dynamometer; and a liquid tank disposed in the second cuboidal frame. The second cuboidal frame is pivotally connected to the first cuboidal frame via the rotating mechanism. The first cuboidal frame includes a first horizontal plane frame, a second horizontal plane frame, a plurality of upright tubes connecting the first horizontal plane frame and the second horizontal plane frame, and an X-shaped support rod disposed between the first horizontal plane frame and the second horizontal plane frame. The second cuboidal frame includes a third horizontal plane frame including two longitudinal beams and two transverse beams, a longitudinal U-shaped bar disposed between the two transverse beams, and a plurality of transverse U-shaped bars disposed between the two longitudinal beams.

Device for measuring liquid sloshing force of ship

A thermal insulation property measuring device, including a tank, a thermal insulator, a cuboidal frame, a support bracket, and a data collector. The tank includes an upper body, a first lower body, and a second lower body. The thermal insulator includes a first thermal insulation layer, a second thermal insulation layer, a first membrane, a second membrane, and a third membrane. The support bracket includes a trapezoidal support and a transition support. The tank is disposed on the support bracket. The support bracket is disposed in the cuboidal frame. The upper body, the first lower body, and the second lower body are spherical and communicate with each other. A filling tube, a pressure relief tube and a piezometer tube are disposed on the upper body. The first membrane is disposed on the tank. The first thermal insulation layer is coated on the first membrane.

Thermal insulation property measuring device

An underwater towing test device including a driving mechanism, an observation platform disposed under the driving mechanism, a towing member, and a towed body. The driving mechanism includes an operation platform, an extended platform connected to the operation platform, a crane, a first railing, a lifebuoy, a control center, a power distribution room, and a plurality of bus ports. The operation platform includes two rail grooves disposed in parallel and a moon pool provided with two pool slots on both ends thereof. The crane includes a chassis provided with a plurality of first guide rollers. The first railing is positioned along the edge of the operation platform and the extended platform, with the lifebuoy hanging thereon. The control center, the power distribution room, the plurality of bus ports, and the moon pool are fixedly disposed on the operation platform.

Underwater towing test device

A device including a measuring instrument, supporting mechanisms, a swinging mechanism, and a rotating mechanism. The measuring instrument includes an angle sensor and a pressure sensor. The supporting mechanisms are symmetrically disposed at two ends of the swing mechanism. The supporting mechanisms each include a support frame, a base frame, a bracket, and a bracket support. The support frame is disposed on the base frame. The bracket support is disposed on the support frame. The bracket is slidably disposed on the bracket support via locating pins. The swinging mechanism includes a first swing frame, a second swing frame, and a rotary table base disposed between the first swing frame and the second swing frame. The rotating mechanism includes a rotary table. The rotary table is wheel-shaped and includes a rotating shaft and a plurality of radial supporting rods.

Device for measuring and adjusting inertia of test model of offshore structure and method for using the same

A magnetic frame mechanism including an outer frame, first drop center wheels, first brackets, a permanent magnet block. The outer frame includes a face plate, a first side plate, and a second side plate. The first side plate and the second side plate are vertically fixed on two ends of the face plate, respectively. The permanent magnet block is sandwiched between the first side plate and the second side plate. The first side plate and the second side plate include guide structures, and the guide structures include first guide rails. The first drop center wheels are fixed on the inner side of the face plate via the first brackets, respectively. The platform mechanism includes a platform plate, four magnetic travelling wheels, four second brackets, a second guide rail disposed on the surface of the platform plate, and a tension spring.

Magnetic carrying platform

A rudder assembly, including a steering engine; an axial hollow rudder stock; a rudder blade; a gas release unit; and a tiller. The steering engine is disposed in a vessel stern. The tiller is connected to the steering engine. The axial hollow rudder stock includes a through hole. The through hole is small and disposed along the axis of the axial hollow rudder stock. The gas release unit is disposed in the vessel stern, and includes a control cabinet. The control cabinet includes a reagent storage tank, a reagent conveying hose connected to the reagent storage tank, a compressed air bottle, a pressure hose connected to the compressed air bottle, and a console. The pressure hose and the reagent conveying hose pass through the through hole of the axial hollow rudder stock, and then communicate with the cavity of the rudder blade.

Rudder assembly

An unmanned semi-submarine, including a main hull; airfoil buoyancy chambers; an antenna; a radar; a propeller; a rudder; and compartments. The airfoil buoyancy chambers include a front buoyancy chamber and a rear buoyancy chamber. The front buoyancy chamber and the rear airfoil buoyancy chamber are longitudinally distributed on the main hull. The radar and the antenna are disposed on the top end of the front buoyancy chamber. The rudder is disposed on the rear buoyancy chamber. The propeller is disposed at the tail of the main hull to drive the unmanned semi-submarine. The horizontal sections of the front buoyancy chamber and the rear buoyancy chamber are symmetrical airfoil. The compartments include a front equipment compartment, a rear equipment compartment, a control equipment compartment, a battery compartment, and a propelling compartment. The compartments are separated from one another using watertight walls.

Unmanned semi-submarine

An unmanned surface vehicle (USV) including a main body; a slideway; and an automatic recovery unit. The slideway includes pulleys, slide rails, sleepers, end plates disposed at two sides of the sleepers, and baffle plates. The automatic recovery unit includes a buoy, a connection rod, a downhaul, an electromagnetic fixer, a winch, an upper cable, a storage box, and a recovery net. The slideway is fixed on the afterdeck of the main body and the tail end of the slideway sticks out the side boundary of the afterdeck. The baffle plates are disposed on the upper end of the end plates. The vertical height of the end plates is larger than the maximum vertical height of the pulleys and the slide rails. The baffle plates on the upper end of the end plates limit the displacement of the buoy in the vertical direction.

Unmanned surface vehicle and method of using the same

A transportation platform for an underwater towing device, including: a main frame; a support frame; a movable base; operation decks; ladder stands; and main lifting lugs. The main frame includes upright posts, basal tubes, longitudinal tubes, transverse tubes, and diagonal tubes. The support frame includes cushion blocks, transverse beams, stand columns, carrier bars, and stiffeners. The ladder stands include stand pipes and a plurality of deformed bar. The main lifting lugs are disposed on the upright posts of the main frame. The support frame is in the form of a door frame and disposed in the lower part of the main frame. The carrier bars cross over the basal tubes. The stiffeners are disposed between the upright posts of the main frame and the transverse beams. The cushion blocks are disposed on the carrier bars. The movable base is disposed between the carrier bars of the support frame.

Transportation platform for underwater towing device

An observation platform device, including a platform deck, an observation mechanism disposed on the platform deck, a primary swing reduction and self-righting mechanism, and a secondary swing reduction mechanism. The primary swing reduction and self-righting mechanism includes a hollow upper support rod, a solid lower support rod, a buoyant cabin, and a counter weight cabin. The lower support rod includes a lower end fixedly connected to the counter weight cabin, and an upper end fixedly connected to the buoyant cabin. The secondary swing reduction mechanism includes a water pond, a plurality of wing-type supports, and a plurality of spaced fan-shaped floating cabins. The plurality of wing-type supports each includes an upper end fixedly connected to a lower plane of the platform deck, and a lower end fixedly connected to an upper plane of the fan-shaped floating cabins.

Adaptive observation platform device for sea surface

A floating and mobile carrying platform device, including: a load-bearing deck trunk including an upper surface and a lower surface; a semi-submersible tower disposed on the upper surface of the load-bearing deck trunk; a column-type buoyancy pier connected to the lower surface of the load-bearing deck trunk; rest piers disposed on the upper surface of the load-bearing deck trunk; a console disposed in the semi-submersible tower; a slideway disposed on the upper surface of the load-bearing deck trunk; and a connection member disposed between the load-bearing deck trunk and the semi-submersible tower. The load-bearing deck trunk adopts a box structure, and the box structure includes a top plate, a bottom plate, side plates, a plurality of cross rib plates, and vent holes. The plurality of cross rib plates is disposed between the top plate and the bottom plate to support the top plate.

Floating and mobile carrying platform device and method of using the same

An underwater operation platform, including: a main body; two ducted propellers disposed at the tail end of the main body; a living building; pile legs; a tower crane; a submergence module; lifting devices; and a gantry crane. The main body includes a deck and a moonpool. The submergence module includes a support plate, a plurality of truss members, and a base plate. The living building disposed on the front end of the deck. The pile legs are disposed at the four corners of the main body, respectively. The deck includes two parallel pathways which are located at two sides of the moonpool, respectively, for supporting the gantry crane. The lifting devices are disposed on the deck and are close to four corners of the moonpool. The support plate and the base plate are integrated with the plurality of truss members.

Underwater operation platform and method for using the same

A submarine survey platform, including: a gasbag; a gas tube; a floater; an upper longitudinal plate; a lower longitudinal plate; diaphragm plates including upper openings, lower openings, and trapezoid openings disposed between the upper openings and the lower openings; and diagonal braces. The upper longitudinal plate includes a flat plate and a flanged plate. The lower longitudinal plate is a rectangular plate. The upper longitudinal plate pass through the upper openings, and the lower longitudinal plate pass through the lower openings. The diagonal braces and longitudinal stiffeners are disposed between every two adjacent diaphragm plates. Two diaphragm plates at two ends of the flat plate are provided with a lifting lug. The diagonal braces are symmetrically disposed and include outward braces and inward braces which are crossed with each other. Cross points of the upper/lower longitudinal plate with the diaphragm plates are support points of the upper/lower longitudinal plate.

Growing community of inventors

Dalian, China

Yan Lin