17 results about "Strake" patented technology

The invention relates to a temporary fixing device for a single-edgefold strake, and relates to the field of ship construction equipment, the temporary fixing device comprises an insulation box, a fixing plate is arranged below the insulation box, the strake is located between the insulation box and the fixing plate, the fixing plate is provided with a pre-tightening assembly, and the pre-tightening assembly is connected with the insulation box. The pre-tightening assembly drives the fixing plate to be pre-tightened towards the side close to the insulation box, and the fixing plate is driven by the pre-tightening assembly to clamp the strake on the insulation box. The strake fixing device has the advantages that the strake can be conveniently fixed to the insulation box, and the risk that the strake falls off from the upper portion is reduced.

The invention relates to the field of offshore floating type wind power, in particular to an offshore floating type fan platform foundation with stability compensation. A stability compensation system, a stabilization device and a control system are arranged in a semi-submersible platform; the semi-submersible type platform foundation comprises vertical stand columns circumferentially arrayed on the periphery of a tower drum, the vertical stand columns and the tower drum are fixedly connected through steel beams, and watertight isolation void cabins and ballast tanks are arranged in the vertical stand columns. The stability compensation system comprises a hydraulic device located in the vertical stand column and further comprises a ballast device located in the watertight isolation void cabin. The stabilization device comprises a plurality of groups of spiral strakes, water pressing plates and streamline flow guide plates; the control system comprises a control processor, a plurality of groups of acceleration sensors, an angle sensor and a sounding pipe; the acceleration sensor and the angle sensor are located in the isolation void cabin; and the sounding pipe is positioned in a ballast tank of the compensation buoy. The method does not need to excessively depend on compensation modes, such as variable pitch, affecting the power generation efficiency, the stability compensation effect is improved, and multiple stability guarantees are provided for the platform.

A method for assembling a wall of a sealed, insulated tank for storing a fluid includes assembling (2001) a) a secondary insulating barrier (2) on a support wall (3); placing (2002) b) an anchoring system base (98, 398) in a recess (197, 395) formed in the secondary insulating barrier (2); threading (c) a temporary positioning element (50) into a positioning hole (40, 340); and adjusting (82) the head (82) so as to cause a local deformation in the strake (21). the local deformation forming a through-hole (190) in the strake (21) from above the strake (21) (2005) e); and threading a threaded stud (200) through the through-hole (190) and into the positioning hole (40, 340) (f) to form a primary anchoring system for one or more elements of a primary insulation barrier.

The invention relates to a tank in which at least one first tank wall (1) comprises at least one watertight membrane (9) and an insulating barrier (8) arranged between the watertight membrane (9) and a first load-bearing wall (5), in which the watertight membrane (9) comprises a plurality of strakes (15), a strake (15) comprising a flat portion (15B) and two longitudinal raised edges (15A), the strakes (15) being welded together in a watertight manner at the level of said raised edges (15A) to form expansion bellows (S), the tank wall (1) comprising a connecting strip (50) adapted to connect in a watertight manner at least one strake (15) to a portion of the membrane. According to the invention, said joining strip (50) comprises at least one corrugation (51) covering said expansion bellows (S) and a flat portion (52) applied against the flat portion (15B) of said at least one strake (15). Figure for the abbreviation: 1

The invention relates to a facility for storing a liquefied gas, wherein each of the first, second and third tank walls includes at least one sealing membrane (7) and at least one thermally insulating barrier (6), wherein the sealing membrane (7) includes a plurality of strakes (11), wherein the tank includes a connecting beam (13) sealingly connecting the sealing membranes, the connecting beam (13) comprising a trihedral section (14), comprising: - a central core (17); - first, second and third connecting flanges; - a first anchoring flange (30) being attached to a first anchoring plate; - a third anchoring flange (32) being attached to a second anchoring plate, wherein the first anchoring flange (30) and the third anchoring flange (32) are connected to one another by a connecting edge (37), wherein the trihedral section (14) includes a notch (38) at the connecting edge (37), the notch (38) being made on the side of the outer edges of the first and third anchoring flanges.

The invention relates to a liquefied gas storage facility in which the secondary thermally insulating barrier (7) of the ceiling wall (4) comprises a first row (60) of first insulating panels (62) arranged between the rear transverse edge (49) of the loading / unloading opening (14) and the rear cofferdam wall (82); the secondary waterproofing membrane (9) of the ceiling wall (4) comprising, between the rear transverse edge (49) and the rear cofferdam wall (82), a plurality of parallel first strakes (64) extending in the longitudinal direction, interrupted by the rear transverse edge (49), each first strake (64) comprising a flat central portion (65) and two raised edges (66), and in which the first insulating panels (62) are equipped with strake anchoring devices (69, 81), the flat portion (65) of each of the first strakes (64) being welded to one of the strake anchoring devices (69, 81).Figure for abstract: 8.

The invention provides a shark type unmanned cruise boat, and relates to the field of ships. The shark type unmanned cruise boat comprises a boat body assembly, an edge strip assembly, a peripheral balloon assembly and a bow cabin filling assembly. The edge strip assemblies are arranged on the outer sides, protruding outwards, of the middles of the two sides of the boat body assembly, and standing platforms are arranged on the upper sides of the edge strip assemblies. The peripheral balloon assemblies are arranged on the two sides of the boat body assembly and the streamline nose cone position of the boat body assembly. The standing platform of the shark-shaped unmanned cruise boat provides a standing position for an operator and also has the capability of improving the stability of the boat body assembly, and the peripheral balloon assembly has the capability of improving the stability of the boat body assembly while playing a buffering role in approaching a main boat, so that the stability of the boat body assembly is improved. And in cooperation with the bow tank filling assembly filled in the fore peak tank and the arc-shaped cover for sealing, the rollover resistance of the boat body assembly is improved, and unmanned remote operation of the boat body assembly is more convenient.

The invention relates to a facility for storing a liquefied gas, the tank comprising a horizontal first tank wall (1) and an inclined second tank wall (2), wherein each of the first and second tank walls comprises at least one sealing membrane (7) comprising a plurality of strakes (11), wherein the tank wall comprises a metal connection beam (13) comprising: - a hollow central core (17), - a first connection flange (28) being attached to the sealing membrane (7) of the first tank wall (1), - a second connection flange (29) being attached to the sealing membrane (7) of the second tank wall (2), - a first anchoring flange (33) being attached to the second supporting wall (5), and - a second anchoring flange (32) being attached to the first supporting wall (4), wherein the supporting structure comprises at least one beam stiffener (43) which is substantially aligned in the first direction (D1) with the first anchoring flange (33) and the first connection flange (28).

The invention relates to a liquefied gas storage facility in which the secondary thermally insulating barrier (7) of the ceiling wall (4) comprises a first row (60) of first insulating panels (62) arranged between the rear transverse edge (49) of the loading / unloading opening (14) and the rear cofferdam wall (82); the secondary sealing membrane (9) of the ceiling wall (4) comprising, between the rear transverse edge (49) and the rear cofferdam wall (82), a plurality of parallel first strakes (64) extending in the longitudinal direction, interrupted by the rear transverse edge (49), each first strake (64) comprising a flat central portion (65) and two raised edges (66), and in which the first insulating panels (62) are equipped with strake anchoring devices (69, 81), the flat portion (65) of each of the first strakes (64) being welded to one of the strake anchoring devices (69, 81).Figure for abstract: 8.

The invention relates to a watertight and thermally insulating tank, comprising a watertight membrane (10) having a plurality of strakes (11) having at least one longitudinal corrugation (13) projecting inwards towards the interior of the tank, the tank wall having an angle beam (30) having a first and a second lateral flange (31, 32), connected to each other at a watertight connection zone (33), at least one of the first and second lateral flanges of the angle beam (30) having a receiving strip (34) extending from the connection zone, away from it, in which a distal portion (34A) of the receiving strip is welded to an end portion (15) of the strakes and has corrugated portions (35) arranged in line with the longitudinal corrugations to terminate at a distance from the connection zone. Figure for the abstract: 1

The invention provides a conformal transition structure of a superstructure and a broadside of a ship and a design method.The conformal transition structure is arranged at the connecting position of the root of the end side of the superstructure and the broadside and comprises a thickened broadside wall plate and a superstructure wall plate, the broadside wall plate and a ship broadtop strake are conformal, the upper end of the broadside wall plate is basically aligned with a main deck, and the lower end of the superstructure wall plate is aligned with the main deck. The upper building wall plate is connected with the side wall plate, the upper building wall plate and the upper building side plate are conformal, and the lower end of the upper building wall plate is basically aligned with the main deck; a semicircular corner opening is formed in the portion, at the root of the superstructure end side, of the superstructure wall plate, and the lower edge of the corner opening is smoothly connected with the upper end of the side wall plate. According to the conformal transition structure, the semicircular corner openings are adopted to reduce stress concentration of the transition area, the stress concentration of the transition area can be greatly reduced, the deck space utilization rate can be increased, the appearance continuity of a ship can be guaranteed, and the radar reflection area of the whole ship can be controlled easily.

The invention relates to a sealed and thermally insulating tank, comprising a sealed membrane (10) comprising a plurality of strakes (11) comprising at least one longitudinal corrugation (13) projecting towards the inside of the tank, wherein the or each corrugation (13) comprises: - two concave curved portions (131) connected to an element (125A, 125B) of the planar portion (12) of the strake (11, 11'), - a central planar portion (132) at the crest of the corrugation (13, 13') and - two convex curved portions (133) each connecting one end of the central planar portion (132) to one said concave curved portion (131).

The invention relates to an integral elastic ship model load calibration device and calibration method, and the device comprises strain sensors which are disposed in structural stress regions of a ship model deck, a bottom plate, a side strake and the like; the multiple water storage tanks are arranged on the upper deck of the ship model, tank bodies of the water storage tanks are fixed to the cross beams below in a bolt connection mode, air guide pipes are arranged at the tops of the water storage tanks, and water passing pipes are arranged at the bottoms of the water storage tanks; one end of the air guide pipe is connected with the vent hole of the water storage tank, and the other end is connected with the air extractor; one end of the water pipe is arranged at the bottom in the water storage tank, and the other end is arranged below the water surface of the test pool; and the air extractor is connected with the water storage tank through an air guide pipe. The device is compact and reasonable in structure and convenient to operate, the water level in the water storage tank is controlled through the air pumping and pressing machine, and accurate application and control of the vertical bending moment and the torque load of the ship model are achieved. The device has the beneficial effects of improving test accuracy and efficiency, keeping the floating state of the ship model stable and the like; according to the method, accurate loading and unloading are realized, and the data processing flow is simplified.

The utility model discloses a liquid dispenser limiting structure, a liquid dispenser assembly and a compressor system, the liquid dispenser limiting structure comprises a fixed support which is matched with the outer side wall of a compressor in a dismounting manner; the transverse strake is matched with the fixing support in a dismounting and mounting manner, and when the transverse strake and the fixing support are assembled, transverse limiting acting force close to the compressor is applied to the liquid separator barrel; and the oblique strake is matched with the fixing support in a dismounting and mounting manner, and when the oblique strake and the fixing support are assembled, oblique lower limiting acting force close to the compressor is applied to the top cover of the liquid separator. According to the utility model, the inclined strake is additionally arranged, so that an inclined lower limiting acting force close to the compressor can be applied to the top cover of the liquid separator, an axial limiting effect is provided for the liquid separator, the axial vibration of the liquid separator can be obviously reduced when the compressor works, and the whole compressor system is enabled to run stably.

The embodiment of the present application provides a marine composite sea grid, which comprises a grid seat and a sea grid, the grid seat is a cylinder shell structure penetrating through a bulkhead, an outer surface of the grid seat is fixedly arranged on the bulkhead, and an inner surface of the grid seat is spaced and fixed with a plurality of connecting ear plates at the same cross section position; the sea grid is arranged in the grid seat and is connected and fixed through bolt assemblies arranged at the connecting ear plates. The sea grid of the embodiment of the present application adopts resin-based prepreg with excellent interlayer performance and good marine environment resistance, the sea grid body manufactured has few surface defects and strong interlayer bonding force, in addition, the material has good repairable performance, after surface repair by using matrix filler repair technology, the underwater working capacity is greatly improved, and the sea grid can be well bonded with the hull antifouling paint, so that the sea grid has good antifouling performance, and in general, the composite sea grid still has high strength under water to meet the bearing requirement.

The utility model relates to an automatic measuring clamp for a blade of a support plate assembly. The automatic measuring clamp comprises a measuring clamping tool, an automatic measuring tool and a positioning mechanism, the measurement clamping tool adopts an external expansion type clamping structure, and the part is fixed by tightly supporting an inner hole of the part; the upper end of the external expansion type clamping structure is a cylindrical external expansion part, and the lower end of the external expansion type clamping structure is provided with a clamping end; the automatic measuring tool is composed of a modified vice, and a semicircular groove is machined in a clamping jaw on one side of the modified vice and used for being matched with the clamping end of the lower end of the measuring and clamping tool. The measurement clamping tool and the automatic measurement tool are provided with three-direction positioning references, the Z-direction positioning surface and the angular surface are arranged at the corresponding positions of the measurement clamping tool, and the Y-direction positioning groove is arranged at the corresponding position of the automatic measurement tool; according to the technical scheme, the consistency of repeated clamping can be guaranteed; an automatic measuring line is adapted, and the detection efficiency is improved.

The invention provides a single pile type offshore wind turbine cable integrated protection device, which comprises a cable suspension section protection assembly and a cable towing section protection assembly, and is characterized in that the cable suspension section protection assembly comprises an internal anti-bending device, an external anti-bending device and a spiral strake sleeve; the internal anti-bending device is connected with the external anti-bending device through barbs, and the spiral strake sleeve is connected with the external anti-bending device through a sleeve joint; the cable towing section protection assembly comprises an anti-abrasion sleeve and a balancing weight, the anti-abrasion sleeve is connected with the spiral strake sleeve, and the balancing weight is arranged on the anti-abrasion sleeve in a sleeving mode. According to the invention, the comprehensive protection of the cable is realized, the overall dynamic response and vortex-induced vibration response of the fan cable under the action of wave current can be effectively reduced, the wear of the cable is remarkably reduced, and the service life of the fan cable is prolonged.