45results about How to "Increased anti-overturning moment" patented technology

The invention provides a submersible buoy pulley mooring system and relates to a mooring system. The submersible buoy pulley mooring system mainly comprises submersible buoys, pulleys, anchor bases, ropes and rope knots. The anchor bases are provided with rope chains in a tying mode. The other end of each rope chain is tied to each fixed pulley support. Each pulley is wound with a rope. One end of each rope is tied to the corresponding submersible buoy. The other end of each rope is tied to a floating body required to be moored. The positions, between the pulleys and the moored floating body and close to the pulleys, of the ropes are provided with the rope knots in a tying mode. Combination of a plurality of submersible buoy pulley anchoring units distributed on the periphery tightly pull the central floating body required to be moored jointly. By means of the submersible buoy pulley mooring system, the problems of anchor chain breakage or anchor base slippage and the like generated due to the fact that the mooring constraining force is violently increased can be avoided, so that the storm resistance capacity can be provided, and the mooring cost is lowered.

The invention provides a movable ballast leveling control device for a floating-type draught fan. Tilting and motion response of the floating-type draught fan can be restrained. The movable ballast leveling control device comprises a movable ballast, a sliding rail, a limiting support, a leveling control server and the like. The movable ballast is provided with a power part, a brake and a locking system and can receive signals in real time to slide, brake and lock on the rail. The sliding rail is arranged according to the basic layout and an available space of the floating-type draught fan and is provided with a sliding rail body, a hinge, a lead screw and the like needed by moving of the ballast. The limiting support is arranged at the end of the rail, so that the ballast device is prevented from sliding out of the rail; and a ballast power auxiliary device is placed. The leveling control server can be installed in a basic deck or a draught fan tower tube, and according to the velocity magnitude and direction monitoring data of wind, waves and streams, a real-time active control instruction is sent to the movable ballast device.

The invention discloses a multi-cylindrical foundation combined foundation structure system. The connecting lines of the center points of four cylindrical foundations form a quadrangle; a pile body is arranged on the top of each cylindrical foundation; the central line of each pile body and the central line of the cylindrical foundation corresponding to the pile body are on the same straight line; a node connecting component is arranged above the center positions of the four cylindrical foundations; a profile steel beam is connected between the node connecting component and the outer side of the top of each pile body; each profile steel beam is downwards inclined from the end part connected with the node connecting component to the end part connected with the pile body; an inter-pile support are connected between the roots of the pile bodies; an overall steel pipe is connected between every two cylindrical foundations. The relatively large torque transferred by an upper part structure is approximately converted into tensile force and pressing force at the cylindrical foundations through each profile steel beam and each pipe body, so that the highest bearing capacity of the cylindrical foundations is achieved, materials are saved, the complete technology of 'floatation transportation, sinking and leveling' can be realized during construction, the construction period is short, and the building cost of an offshore wind power station is reduced.

The invention discloses a mooring system with submerged buoys and pulleys. The mooring system comprises submerged buoys/counter weights, pulleys, anchor bases, ropes and rope knots, wherein a chain is tied to each anchor base, and the other end of the chain is tied to a bracket of the corresponding fixed pulley; each rope is wound around the corresponding pulley; one end of each rope is tied to the corresponding submerged buoy, and the other end of the rope is tied to a floating body which needs to be moored; each rope knot is tied to a position on the corresponding rope, between the corresponding pulley and the moored floating body/the anchor base, and close to the pulley. The central floating body which needs to be moored is jointly tightened by the combination of a plurality of anchoring units with submerged buoys/counter weights and pulleys, which are distributed at the periphery of the floating body. Through the adoption of the mooring system, the problems that anchor chains are fractured or the anchor bases slide away due to the rapid increase of mooring force are solved, so that the capability of resisting storms can be provided, and the mooring cost is reduced.

The invention belongs to the technical field of foundation structures of ocean engineering and discloses an elastic transition section multi-cylinder-foundation structure and a construction method thereof. The elastic transition section multi-cylinder-foundation structure comprises a plurality of steel cylinder foundations with the central points being connected into a circle, the multiple steel cylinder foundations are welded together, a steel top plate is connected to the upper parts of the multiple steel cylinder foundations, a concrete plate is arranged on the steel top plate, beam plate systems are distributed on the concrete plate, a concrete transition section is located on a middle ring beam, a steel tower cylinder is connected to the upper part of the concrete transition section in an embedded mode, and the junction of the upper part and the lower part of the steel tower cylinder is in contact with the concrete transition section and an inner ring beam through elastic buffer devices. The construction method of the elastic transition section multi-cylinder-foundation structure comprises the steps of prefabrication on land, shoreside hoisting, overwater towing, negative-pressure sinking, negative-pressure reinforcing and the like. The elastic transition section multi-cylinder-foundation structure has the advantages of cylindrical foundations, and is wide in application range, convenient to transport and mount, recyclable and high in bearing capacity, and the upper load can be transmitted to the transition section and the beam plate systems through the elastic bufferdevices on the upper part and the lower part in the construction period and the operation period.

This invention discloses a method for balancing tilting major structure overthrow force with the basic weight form, which comprises the following steps: a) combining the inclined main body and the foundation structure as an integrated structure, counterweigh designing the basic structure; b) declining the gravity height of the integrated structure, adjusting it to the geometry center of the foundation structure; c) adjusting the forced state in the foundation structure, integrating the different piers which connect the inclined main body in the foundation structure to a whole; d) allocating the lever prestressed reinforcement in the beam, balancing the outward thrust of the pier through the lever prestressed force; allocating vertical prestressed reinforcement in the pier with vertical pull force, balancing the prestressed force of the pier through the vertical prestressed force.

The invention discloses a combined basic structural system of three cylinder type foundations with support. Connecting wires of the center points of the three cylinder type foundations form a triangle; a pile body is arranged at the top of each cylinder type foundation; a joint connecting piece is arranged above the central positions of the three cylinder type foundations, a profiled-steel beam is connected between the joint connecting piece and the top of each pile body, and each profiled-steel beam is inclined downwards from the end connected with the joint connecting piece to the end connected with the corresponding pile body; the roots of the pile bodies are mutually connected through support among the piles, and a support between cylinders is connected between the adjacent two cylinder type foundations. Through the profiled-steel beam and the pile bodies, larger bending moment transmitted by an upper structure is effectively converted into tensile force and pressure approximately at the cylinder type foundations so as to exert the maximum bearing capacity of the cylinder type foundations and save the materials; moreover, the complete technology of floating transportation, sinking and leveling can be realized in the construction, so that the construction period is short, and the construction cost of an offshore wind plant is reduced.

The invention discloses a foundation structural system combined by three bucket foundations, wherein a triangle is formed by the central-point connecting lines of the three bucket foundations, a pile body is arranged on the top of each bucket foundation, the central line of each pile body and the central line of the corresponding bucket foundation are positioned on the same straight line, a node connecting piece is arranged above the central positions of the three bucket foundations, a shaped steel beam is connected between the node connecting piece and the outer side of the top of each pile body, and each shaped steel beam is downwards inclined from the end part connected with the node connecting piece to the end part connected with each pile body. According to the foundation structural system, greater bending moment transferred by an upper structure is effectively and approximately transformed into pull and pressure at the bucket foundations through the shaped steel beams and the pile bodies to exert the maximum bearing capacity of the bucket foundations, so that materials are saved; moreover, a set of floating transportation-sinking-leveling technologies can be realized in construction, so that the construction period is short, and the construction cost of offshore wind plants is lowered.

The invention discloses a large-scale bucket foundation structure suitable for ocean wind electricity. An upwards-extending reverse eaves is arranged along the outer edge of the top cover of a bucket foundation; the middle of the top cover of the bucket foundation is provided with a ring beam; the top of the ring beam is provided with a plurality of section steel columns evenly distributed along the ring direction; a node connecting piece is arranged just above the center of the bucket foundation; a section steel beam is connected between the node connecting piece and the top of each section steel column; each section steel beam is downwards inclined from the end part on which the section steel beam is connected with the corresponding node connecting piece, to the end part on which the section steel beam is connected with the corresponding section steel column. According to the large-scale bucket foundation structure suitable for the ocean wind electricity, which is disclosed by the invention, large bending moment transferred from an upper part structure can be effectively similarly converted into tensile force and pressure on the bucket foundation by the section steel beams and the section steel columns so as to perform the largest bearing force of the bucket foundation; subdivisions can be formed by stiffening ribs between the reverse eaves and the ring beam so as to apply ballast to the bucket foundation; the capability of the bucket foundation on bearing the horizontal load and the bending moment is improved.

The invention discloses a base structure system combined by four cylindrical bases. A quadrangle is formed by the connecting lines of centers of the four cylindrical bases, a pile body is arranged at the top of each cylindrical base, and the center line of each pile body and the center line of the corresponding cylindrical base are located on the same straight line; a node connecting piece is arranged above the center position of the four cylindrical bases, a profiled-steel beam is connected between the node connecting piece and the outer side of the top part of each pile body, and each profiled-steel beam is downwards inclined from one end part, connected with the node connecting piece, of the profiled-steel beam to the end part, connected with the corresponding pile body, of the profiled-steel beam. According to the base structure system provided by the invention, larger bending moment transmitted by an upper structure can be effectively and similarly converted to a tensile force and a pressure at the cylindrical bases by the profiled-steel beams and the pile bodies, so as to give play to the maximum bearing force of the cylindrical bases, therefore materials can be saved; furthermore, a complete technology of 'floating-sinking-leveling' can be realized in the construction, the construction period is short, and the construction cost of an offshore wind power plant can be reduced.

The invention belongs to the technical field of foundation structures of oceanographic engineering, and discloses a multi-cylinder combined foundation structure and a construction method thereof. Themulti-cylinder combined foundation structure comprises multiple steel cylinder foundations, wherein the central points of the steel cylinder foundations are connected to form a regular polygon; a steel top plate is connected to the upper portions of the multiple steel cylinder foundations, a concrete plate is arranged on the steel top plate, and a beam plate system is distributed on the concrete plate; and a concrete transition section is located on a central ring beam, a steel tower cylinder is connected to the upper portion of the concrete transition section in an embedded manner, and the upper portion and the lower joint of the steel tower cylinder make contact with the concrete transition section and inner ring beams through elastic buffer devices. The construction method of the multi-cylinder combined foundation structure comprises the steps of land fabrication, shore-side hoisting, waterborne towing, negative pressure sinking, negative pressure reinforcing and the like. The multi-cylinder combined foundation structure has the advantage of the cylinder foundations, and is wide in application range, convenient to transport and install, recyclable and high in bearing force; andduring construction and operation, an upper load can be transferred to the transition section or the beam plate system through the elastic buffer devices on the upper portion and the lower portion.

The invention discloses a four-cylindrical foundation combined foundation structure system with support. The connecting lines of the center points of four cylindrical foundations form a quadrangle; a pile body is arranged on the top of each cylindrical foundation; a node connecting component is arranged above the center positions of the four cylindrical foundations; a profile steel beam is connected between the node connecting component and the outer side of the top of each pile body; each profile steel beam is downwards inclined from the end part connected with the node connecting component to the end part connected with the pile body; the roots of the pile bodies are mutually connected by the support among eight piles; an inter-cylinder support is connected between two adjacent cylindrical foundations. The relatively large torque transferred by an upper part structure is approximately converted into tensile force and pressing force at the cylindrical foundations through each profile steel beam and each pipe body, so that the highest bearing capacity of the cylindrical foundations is achieved, materials are saved, the complete technology of 'floatation transportation, sinking and leveling' can be realized during construction, the construction period is short, and the building cost of an offshore wind power station is reduced.

The invention discloses a semi-submersible drilling platform with inclined stand columns. The semi-submersible drilling platform comprises buoyancy tanks, a deck and a drilling system; two buoyancy tanks are arranged in parallel, and stand columns are arranged at the two ends of the buoyancy tanks; the deck is arranged at the tops of the stand columns; the two buoyancy tanks are connected througha cross brace; the stand columns incline in the direction away from the central axis of the deck; and the drilling system is arranged on the deck. According to the semi-submersible drilling platform,the middle parts, near the water surface, of the stand columns are designed in the form of a cone with a small upper part and a large lower part; on the one hand, the cone is used for transitional connection between the upper parts of the stand columns and the lower parts of the stand columns, and on the other hand, an anti-ice effect is achieved; and when the platform is drilled in an ice area, floating ice, near the stand columns, can climb up to the stand columns along with the cone, due to the existence of the cone, the acting force of the platform on the ice can converted from horizontalextrusion to upper and lower ice breaking when the platform moves up and down or shakes left and right

The invention relates to the field of foundation structures, and discloses a four-cylindrical-foundation combined foundation structure system of a concrete support structure. The system comprises four cylindrical foundations of which center points are connected to form a square; the top of each cylindrical foundation is connected with a concrete ballast tank structure; a vertical concrete connecting piece is connected between each two concrete ballast tank structures; a concrete connecting baseplate is arranged in a space defined by the four vertical concrete connecting pieces; a concrete column positioned in the center is arranged at the upper part of the concrete connecting baseplate; a concrete connecting top plate is arranged at the top of the concrete column; and the concrete column is connected with each concrete ballast tank structure through an inclined sheet variable-section concrete structure. The system effectively and similarly converts higher bending moment transferred from the upper structures to tension and pressure at the cylindrical foundations through the concrete support structure similar to a special-shaped column so as to exert maximum bearing capacity of the cylindrical foundations to save materials.

The invention provides a ball cage and an angular contact ball bearing. The ball cage comprises a plurality of frame bodies, the end faces of the two sides of each frame body are provided with ball pockets, the surface of each ball pocket is used for contacting with bearing balls, a straight-line distance between any two points on any cross section of one frame body is smaller than the diameter ofthe bearing balls, one frame body is arranged between two adjacent bearing balls, so that the lives of the bearing balls are prolonged, the weight of bearings and the starting torque of the bearingsis reduced; and the angular contact ball bearing comprises bearing inner rings, bearing balls, bearing outer rings and the above-mentioned ball cage, ball sliding ways are arranged between the bearinginner rings and the bearing outer rings, the ball cage is used for separating the bearing balls and prevent the bearing balls from falling off, the number of the bearing balls is multiple, the numberof bearing balls is the same as that of the frame bodied, each bearing ball can slide in the ball sliding ways, and the ball cage does not affect the arranging of the bearing inner rings and the bearing outer rings, so that the contact angle of the bearings is increased.

The invention belongs to the technical field of infrastructures of marine engineering, and discloses a multi-cylinder combination infrastructure with a supporting structure and a construction method of the multi-cylinder combination infrastructure. The multi-cylinder combination infrastructure comprises a plurality of steel cylinders which are annularly arranged and mutually welded, the upper parts of the multiple steel cylinders are connected with a steel top plate, a concrete plate is arranged on the steel top plate, the top face of the concrete plate is provided with an outer ring beam, a middle ring beam, an inner ring beam, a concrete main beam, a first concrete secondary beam and a second concrete secondary beam, the upper part of the middle ring beam is connected with a concrete transition section, and the supporting structure is arranged in the concrete transition section. The construction method of the multi-cylinder combination infrastructure comprises the steps such as landprefabrication, shore hoisting, water towage, negative pressure sinking and negative pressure reinforcement. The multi-cylinder combination infrastructure has the advantages of a gravity-type foundation and a cylinder-type foundation, is wide in application range, convenient to transport and mount, recyclable, and high in carrying capacity, can serve as a top-bearing-type structure, can also convert an upper fan load into structure-controlled pulling and pressing stress, and can also serve as a gravity-type structure to resist the upper load through the own gravity.

The invention discloses a rib plate unloading type combined steel pile supporting and anchoring structure and application. The rib plate unloading type combined steel pile supporting and anchoring structure comprises a continuous wall, a plurality of rib plates and unloading plates. One ends of the rib plates are connected with the continuous wall, the rib plates are perpendicular to the continuous wall, and the top faces of the rib plates are lower than the top face of the continuous wall; the unloading plates are arranged at the tops of the rib plates and are horizontally arranged; and filling soil is arranged above the unloading plates. The rib plate unloading type combined steel pile supporting and anchoring structure is simple, convenient to construct, low in manufacturing cost and short in construction period, can be used as a recyclable temporary supporting structure to be applied to deep foundation pit supporting or cofferdam engineering, and can further be used as a permanent supporting structure to be applied to bank protection and slope protection engineering.