162results about How to "Low structural strength requirement" patented technology

The invention aims at providing a floating-type tidal current energy power station, which comprises a transverse floating body, a longitudinal floating body, tidal current power generators and lifting mechanisms. The longitudinal floating body and the transverse floating body are orthogonally arranged in the shape of a Chinese character 'zhong'. The transverse floating body is overlapped on the longitudinal floating body. An installation and maintenance shaft is arranged on the transverse floating body. Anchoring chains are installed at the two ends of the longitudinal floating body. Each lifting mechanism comprises a lifting column, power boxes and a limiting stopper, wherein the power boxes are installed on the two sides of the installation and maintenance shaft, the limiting stopper is installed between the two power boxes and is connected with the two power boxes and the lifting column is sheathed in the limiting stopper. Each tidal current power generator comprises a cabin shell; and a power generator, a transmission shaft, a speed increaser, blades, a hub and a fairing cap which are installed in the cabin shell and are sequentially connected. The tidal current power generators are respectively connected with the lifting columns. By adopting a power station structure which is of the shape of the Chinese character 'zhong', the tidal current energy power station is guaranteed to have better stability, and the power generation performance of the tidal current power generators is improved; and the structure is simple and the production cost is low.

The invention relates to an ultrahigh-voltage oil-SF6 sleeve test device which overcomes the shortcomings and defects of single test ability, low test voltage grade and vertical arrangement of sleeve samples of the existing oil-SF6 sleeve test device. The device comprises a test oil tank, a GIS (Gas Insulated Switchgear) bus tube, a GIS sleeve, an oil-SF6 sleeve, an oil conservator, a transition plate, a support base and accessories, and is characterized in that: the oil-SF6 sleeve sample is horizontally mounted. The insulating property of the device can meet the insulation requirement of the sleeve test device with a grade between 500KV and 1,100KV; the actual operation conditions of the oil-SF6 sleeve can be simulated; the sleeve mounting height of the whole test device is reduced, thereby being favorable for the transportation and disassembly/assembly; and meanwhile, the requirements for the structural strength and safety of the test device are reduced, and the requirement for the height of the hall building of the test environment is reduced.

The invention relates to a downhole continuous wave mud pulse generator which comprises a continuous wave pulse generating assembly and a driving assembly for driving the continuous wave pulse generating assembly to work. The continuous wave pulse generating assembly comprises a shell, and a stator and a rotor which are sequentially arranged inside the shell from top to bottom; the rotor can rotate axially around the axial direction of the shell; mud overflowing holes are arranged in the stator and the rotor along the axial direction of the shell; an end cap is arranged at the upper end of the shell; a through hole for the mud to run through is arranged in the end cap; the mud overflowing hole in the stator is communicated with the through hole in the end cap; the overflowing hole in the rotor is communicated with an opening at the side face of the shell; and the driving assembly drives the rotor to rotate. The downhole continuous wave mud pulse generator provided by the invention is reliable to work and can be used for generating mud pulse signals in a wireless LWD (Logging While Drilling) system.

The invention discloses a rear crossbeam and main girder connecting structure for a self-propelled movable framework. The rear crossbeam and main girder connecting structure comprises a triaxial rotating mechanism; the triaxial rotating mechanism comprises transverse moving frames, hanging rods, lifting lugs, transverse moving bases and transverse moving oil cylinders, wherein the lower end of each transverse moving frame is hinged to the upper end of the corresponding hanging rod through a transverse pin shaft; each transverse pin shaft is arranged in a transverse direction; the lower end of each hanging rod is hinged to the upper end of the corresponding lifting lug through a longitudinal pin shaft; each longitudinal pin shaft is arranged in a longitudinal direction; two ends of each transverse moving oil cylinder are respectively hinged to the corresponding transverse moving frame and the corresponding transverse moving base; each transverse moving frame and the corresponding transverse moving base are respectively suspended on a rear crossbeam of the self-propelled movable formwork; each transverse moving base is connected with a rear crossbeam of the self-propelled moving formwork; each transverse moving frame is positioned in the inner side of the corresponding transverse moving base; the lower part of each lifting lug extends to a main girder of the self-propelled moving formwork, and the main girder of the self-propelled moving formwork can rotate around the lifting lugs; the lifting lugs are vertically arranged. According to the rear crossbeam and main girder connecting structure disclosed by the invention, the stress concentration phenomenon generated when local transverse and longitudinal bending moments at the connecting part between the rear crossbeam and the main girder are relatively large is avoided, and the safety of small-radius horizontal curve bridge construction is ensured.

The invention relates to a dual cold sources airplane ground energy-conserving and environment-protective air-conditioning system, which solves the problems of high energy consumption, parking apron occupation and high operating cost in prior airplane ground air-conditioning unit. The system consists of a first air processing system and a second air processing system in compression refrigeration type; wherein, the first air processing system takes water supplied by a central air conditioner as heat transferring medium; the second air processing system in compression refrigeration type takes refrigerant as heat transferring medium. In the first processing system, a water-through heat exchanger (7) is injected with water from the central air conditioner of airport lounges by a pump (8) to carry out heat exchange with air from airport lounges or gallery bridge channel; the cooled air is transmitted into an engine room parked in the airport driven by a centrifugal fan (6) through a evaporator, an air outlet hood (1) and a underground passage; water after heat exchange by the water-through heat exchanger (7) is directly or through a double pipes heat exchanger to discharge into a water-storing system of the central air conditioner in airport lounges. The first processing system and the second processing system are located in the airport lounges. An underground passage system comprises an air supply duct with an insulating layer (22) buried under landing field outdoor, one end of the air supply duct is connected with the air supply tube (1), and the other end thereof is connected with a tube (23).

The invention relates to a waterproof structure which comprises a shell and a cover, wherein the cover is assembled on the shell. The shell is provided with a groove. The cover comprises a protruding rib and a soft material structure, wherein the protruding rib is coated with the soft material structure, and the protruding rib and the soft material structure are integrally formed. The soft material structure is in interference fit with the groove. Due to the arrangement of the protruding rib, when the soft material structure is in interference fit with the groove, a support of the protruding rib can make the deformation of the soft material be reliable and achieve a good waterproof effect. Meanwhile, due to the fact that the soft material structure and the cover are integrally formed, additional assembly waterproof soft rubber is not needed, the assembly deviation of the waterproof soft rubber does not need to be taken into consideration for the arrangement of magnitude of interference, and therefore the good waterproof effect is achieved through a small amount of interference, and the requirement for the structure strength of a battery cover is lowered. The invention further relates to an electronic device with the waterproof structure, for example, a mobile phone. The waterproof structure has the good waterproof effect, assembly processes are reduced, and production efficiency is improved.

The invention discloses an electronic cigarette heating assembly and a portable small-smoke electronic cigarette atomizer thereof, and the electronic cigarette heating assembly comprises a support anda sealing part. The support comprises an upper support body and a lower support body, and an oil guide cotton piece, oil guide cotton cloth and a net-shaped heating piece are sequentially clamped between the upper support and the lower support; the upper support is provided with an oil guide channel for introducing oil to the oil guide cotton piece, and the lower support is provided with a smokeoutlet; the net-shaped heating sheet is connected with the conductive electrode to supply power to the net-shaped heating sheet; the internal gap of the oil guide cotton piece is larger than that of the oil guide cotton cloth. The atomizer comprises a shell, an oil cup is arranged in the shell and fixed in the shell through a base, a heating assembly is arranged at the bottom of the oil cup, and asmoke channel is formed between the oil cup and the shell. The electronic cigarette is uniform in heating, free of local high temperature, environmentally friendly and suitable for being used as a portable small-smoke electronic cigarette.

The invention discloses a pressure-storing and energy-saving washing tank and a pressure-reducing water drain valve. A pressure-reducing valve element is sleeved in a pressure-reducing cover to form the pressure-reducing water drain valve 2 and mounted on a water outlet 1B of a water tank. A valve rod 2C is connected with the pressure-reducing valve element 2A or is provided with a labor-saving lever mechanism 5. A permanent magnet or flowing pressure or electromechanical valve starting device is connected with the pressure-reducing valve element through the valve rod for indirect starting. A flow-storing flexible bag 7 and an air inlet and outlet hole or an air regulating valve can be arranged at the inner end of the water tank. A slow-draining and water-storage-supplement chamber 9 can be arranged at the outer end of the water outlet. The pressure-reducing valve needs few starting power and can directly start or indirectly start by the aid of a low-energy-consumption power device. The problems that existing pressure-storing washing tanks and straightway water drain valves are large in stress, difficult in starting, large in water drain pressure drop, high in cost and the like are solved. The pressure-reducing water drain valve has the advantages of low starting power, large water drain pressure, large flow, small pressure drop, capability of supplementing water storage, cleanness and water saving in washing, low cost, maintainability, low usage cost and the like.

The invention relates to a hydraulic control frequency stabilized wind power generation apparatus. A system comprises a wind energy collection unit, an energy conversion and remote distance transmission unit and a hydraulic control frequency stabilized power generation unit, wherein the wind energy collection unit converts wind energy into mechanical energy, the energy conversion and remote distance transmission unit is connected with the wind energy collection unit, converts the mechanical energy to hydraulic energy, and realizes the remote distance transmission of the wind energy by adopting a hydraulic transmission principle, and the hydraulic control frequency stabilized power generation unit is connected with the energy conversion and remote distance transmission unit through a hydraulic pipeline, can convert the hydraulic energy into the mechanical energy, and can also convert the mechanical energy into electric energy, wherein the energy conversion and remote distance transmission unit and the hydraulic control frequency stabilized power generation unit are made into a closed type hydraulic loop through the hydraulic pipeline. The invention adopts the initial phase angle change arrangement of a hydraulic pump, and reduces the flow pulsation output by the hydraulic energy. The invention adopts the optimal matching of controlling the entering flow rate of a hydraulic motor and the output volume of the hydraulic motor, generates the constant rotating speed output of the hydraulic motor, drives an ordinary power generator set for generating constant frequency electric energy, and improves the quality of the electric energy.

A solar concentrator has frame members connected together to form a framework, and a flexible sheet attached to the framework such that the flexible sheet takes a loose shape and can flex in response to shaping forces exerted thereon. The sheet has a reflective surface located between the frame members. A shaping force system is operative, when activated, to exert the shaping forces on the sheet, the shaping forces configured to draw the sheet from the loose shape into a desired shape such that solar rays striking the reflective surface are focused on a target, and a solar energy receiver is attached to the framework at a location corresponding to the target. Thin wall tubing filled with pressurized air can provide strong light frame members. When the shaping force system is deactivated, the flexible sheet reverts substantially to the loose shape.

The invention relates to a wave energy generating system which comprises a wave energy converting device and a wave energy collecting device. The wave energy converting device comprises a supporting floating body, an electricity generating platform, a through hole and rotating wheels, wherein the electricity generating platform is connected over the supporting floating body in a fastened mode, the through hole is formed in the center of the electricity generating platform, the rotating wheels are symmetrically connected to the front wall and the rear wall of the through hole in a rotating mode, each rotating wheel is connected with an electricity generator through a gear, a gearbox and a rotating shaft in sequence, and an enclosure bulkhead is arranged at the position, at the peripheries of the electricity generators, of the electricity generating platform in a surrounding mode. The wave energy collecting device comprises a wave energy collecting floating body, a first outer frame and a crank, and further comprises a plurality of supporting columns, wherein the wave energy collecting floating body is arranged inside the supporting floating body, the first outer frame is connected to the upper end face of the wave energy collecting floating body in a fastened mode, one end of the crank is connected to the position, deviating from the center of the through hole, of the perpendicular corresponding point on the first outer frame in a rotating mode, the other end of the crank is connected to the middle of a horizontal shaft is a fastened mode, the two ends of the horizontal shaft are connected to the eccentric points of the rotating wheels in a rotating mode, the supporting columns are fastened in the peripheral direction of the wave energy collecting floating body, the other end of each supporting column perpendicularly penetrates through the position, at the periphery of the enclosure bulkhead, of the electricity generating platform, and then the other ends of the supporting columns are sequentially connected through a plurality of horizontal connecting rods.

The present invention relates to a wave energy power generation equipment. It mainly is formed from oscillation air chamber, neighborhood transition, non-return valve, pressure-stabilizing air chamber and turbine generator unit. Said invention also provides the working principle of said wave energy power generation equipment, and can greatly raise utilization rate of wave energy.

The invention discloses a rooftop linkage tracing photovoltaic stent and a photovoltaic power generation system, which belongs to the technical field of photovoltaic power generation equipment. The stent comprises a driving mechanism, guide rails and a component unit. The guide rails are laid on rooftop and are fixed. The component unit is arranged across two adjacent guide rails, and comprises a component frame, a sliding part and a connecting rod. The sliding part is arranged in the guide rails. One end of the connecting rod is hinged with the sliding part. The other end is hinged with the component frame. The driving mechanism is applied to the sliding part of the component unit. When the photovoltaic stent is used, the connecting rod is pushed to hold up or lay the component frame. The whole photovoltaic stent structure can be close to the rooftop plane, which effectively reduces wind resistance; the weight of the entire photovoltaic stent structure is light, which reduces the overall structural strength requirement; and the rooftop linkage tracing photovoltaic stent and the photovoltaic power generation system have the advantages of long service life, simple structure, reasonable design and easy manufacture.

The invention relates to the technical field of photography and video shooting equipment, particularly to a button mechanism of a tripod and the tripod. The button mechanism of the tripod comprises angle clamping structures and button structures, and further comprises supporting structures, wherein the angle clamping structures are fixedly arranged on a body of the tripod; the button structures comprise buttons rotatably arranged on foot shaft sleeves of the tripod through first shafts; the buttons are provided with combination parts applicable to combination with clamps of the angle clamping structures; the combination parts and the clamps are combined to lock the opening angle of supporting feet of the tripod; when the combination parts and the clamps are combined, the supporting structures are propped against the buttons; and included angles exist between the extension lines of the connecting lines from supporting parts of the supporting structures to the combination parts and the extension lines of the ends, facing the angle clamping structures, of the supporting feet. According to the button mechanism of the tripod and the tripod provided by the invention, supporting stability of the supporting feet of the tripod is strengthened, cost of the angle clamping structures is reduced, product structure is further simplified, and market competitiveness of products is improved.

The invention relates to a microporous heat-isolating brick which is prepared from the raw materials in percentage by weight: modified perlite, a silicon dioxide sol and micropowder aluminum oxide. The dosage of the silicon dioxide sol is reduced on the premise of guaranteeing the combining strength of the heat-isolating brick, so that the reheating linear change rate of a product is reduced, and the stability of the product is improved. The heat-isolating brick provided by the invention is a baking-free brick and is simple in preparation process, easy to realize, low in energy consumption, small in pollution and environment-friendly. High strength of the refractory brick and low thermal conductance of insulating cotton are perfectly fused together, and a new era of a light refractory insulating material is created. The product has the characteristics of being low in heat conductivity, small in volume density, light in weight and high in compression strength, is high in cost performance, long in service life, convenient to construct, small in damage on a human body and good in insulating property, expands a novel path of energy conservation and consumption reduction of a thermotechnical kiln and provides a reliable material guarantee for structural improvement and energy conservation and consumption reduction of a conventional thermotechnical kiln.

The invention discloses a limiting plate structure, an upper reactor inner component and a suspension basket component, wherein the upper reactor inner component is used for installing the limiting plate structure, and the suspension basket component is used for providing support for the limiting plate structure. The limiting plate structure comprises a sliding cylinder and a lower end plate fixedon the bottom of the sliding cylinder, and a plurality of through holes are arranged on the lower end plate, the axis of each through hole is parallel to the axis of the sliding cylinder; a guiding device is arranged on the side wall of the sliding cylinder, after the lower end of the upper reactor inner component is embedded into the sliding cylinder from the upper end of the sliding cylinder, the guiding device is used to limit the movement state of the sliding cylinder relative to the upper reactor inner component; and the sliding cylinder only can slide up and down along the axis of the upper reactor inner component. The limiting plate structure can effectively avoid the problem that a fuel assembly is pressed by a coil spring to reduce the structural strength requirement of the fuelassembly.

The invention discloses a cross-medium aircraft based on a common rotor and a cycloidal propeller. The aircraft comprises an aircraft body, a horizontal support frame and a cross-medium propeller. Anend part of the horizontal support frame is connected with the cross-medium propeller through a propeller tilting device, and the propeller tilting device is used for driving the cross-medium propeller to rotate in a vertical plane around an axis of the horizontal support frame; and the cross-medium propeller is provided with a plurality of blades evenly distributed around the axis of the cross-medium propeller, and the cross-medium propeller is connected with the roots of the blades through a blade turnover device. According to a deformation propeller considering performance characteristics of an aerial fluid and a underwater fluid, one set of propeller can be used for achieving omnidirectional maneuvering navigation and fixed-point hovering in the air and under the water, and a underwater slamming force and a storage space are reduced through composite deformation.