48results about How to "Small windward side" patented technology

The invention provides a polygonal counter flow cooling tower which has small ventilation resistance, favorable thermal performance and low energy consumption and can be completely combined with a building. The polygonal counter flow cooling tower comprises a framework, an air duct arranged at the top of the framework and a blower arranged in the air duct; wall boards are arranged on the periphery at the upper part of the framework; air inlet windows are arranged on the periphery at the lower part of the framework; packing comprising a plurality of alternate filler pieces is arranged in the frames of the wall boards; a water distribution pipe is arranged above the packing; a water distribution spray head for spraying water into clearances among the filler pieces is arranged at the bottom of the water distribution pipe; a water collector is arranged above the water distribution pipe; a reception basin is arranged at the bottom of the framework and supported by a bottom beam; a water outlet is arranged at the lower part of the reception basin; and the periphery of the framework is octagonal.

The invention relates to an improvement of anti-corrosion and anti-vibration overhead power transmission cables for overhead power transmission lines and is characterized in that the reinforced inner core of the twisted cable is a fiber resin-molded elongated body and has a 0.5-8 mm distance to the innermost conductor of the twisted cable. The inventive wire has the advantages of self-damping vibration protection function, reduced weight of the reinforced core molded from resin mixed with carbon fiber and / or basalt fiber (50-70 percent of the steel-core anti-corrosion and anti-vibration cable core), increased tensile strength (up to 2000-6000MPa), maximum applied stress up to 60 percent of breaking strength, reduced base number or altitude of towers, larger construction span, large current capacity (about doubled), reduced construction cost (by 10-20 percent), and increased service life (by 20-30 years).

The invention discloses a hoisting process for a general section of a warehouse deck of an orange juice ship, which comprises the following process steps of: dividing the general section of the warehouse deck into six deck sections, and combining the general section to form a large ring seam at a deck surrounding a hatch; measuring each deck section, calculating the weight and gravity center position of each deck section, and designing a hoisting point position according to the gravity center position; fixedly arranging a reinforcing structure at the back of the hoisting point of the deck section, and turning over the deck sections; fixedly arranging a hoisting lug at the hoisting point on the front side of each deck section; hoisting the deck sections by adopting a floating crane to rightabove the installation position on the deck surrounding the hatch, using an auxiliary precise landing limit tooling on the deck surrounding the hatch to hoist the deck sections without margins and landing the deck sections to the installation position on the deck surrounding the hatch; according to the invention, the general section of the warehouse deck is divided into six deck sections for construction, so that the problems of narrow construction space and difficult construction of workers due to the fact that the section of the warehouse deck of the orange juice ship is installed after tank bodies enter the warehouse are solved; and hoisting without margins can be achieved.

The invention is suitable for the technical field of wind tunnel tests, and provides an air inlet channel test simulation device and simulation method, the air inlet channel test simulation device comprises a model support assembly, a model support rod, a model, a flow simulator, a simulator support assembly and a flexible air suction pipe, and the model support assembly is connected with the peripheral part of the model through the model support rod; one end of the flexible air suction pipe is connected with an air outlet of the model, and the other end of the flexible air suction pipe is connected with an air inlet of the flow simulator; the flow simulator is supported on the simulator supporting assembly, and the simulator supporting assembly can be adjusted in a self-adaptive mode along with adjustment of the model supporting assembly. According to the invention, the test data quality and the test efficiency can be improved.

The invention discloses a polar region wing sail wind power direct drive robot control system. The polar region wing sail wind power direct drive robot control system comprises a trajectory planning system, a navigation control system, an obstacle and danger avoidance system and a microprocessor, wherein the trajectory planning system is connected with the navigation control system and the microprocessor and used for planning a target trajectory path for a whole wing sail robot according to a scientific investigation task; the obstacle and danger avoidance system is connected with the navigation control system and the microprocessor and used for detecting real-time road conditions through sensor elements and feeding back the road conditions to the wing sail robot for obstacle and danger avoidance; the navigation control system is connected with the trajectory planning system, the obstacle and danger avoidance system, a GPS unit and the microprocessor and controls a wing sail unit and a course control unit of the wing sail robot through a motor and a steering engine respectively. The polar region wing sail wind power direct drive robot control system is reasonable in structure, easy to realize and suitable for detection application under complex and variable climate conditions in the polar region, thereby having high engineering application value.

The invention relates to a sealed spring box for connecting a pantograph head of a pantograph with a pantograph connecting frame, and the composition is as follows: the upper part of a pantograph head coupling seat of the spring box is connected with a pantograph head carbon sliding plate through a bolt, the lower part is hinged with a U-shaped hinge support through a pin shaft, the lower part ofthe U-shaped hinge support is connected with the upper end of a piston rod through a screw, the piston rod is arranged in a piston barrel, the piston barrel is fixed on a support cylinder body through the screw, the middle part of the support cylinder body is fixed on a cylinder body mounting seat through the screw, the cylinder body mounting seat is further fixed and mounted on a pantograph headcross rod of the pantograph through the bolt, and the pantograph head cross rod is hinged with a upper arm rod of the pantograph connecting frame; and a spring is connected between the lower part of the piston rod and the bottom of the piston barrel. The device can realize self-adaption to fluctuations in hanging conducting wires of a contact net, enable the following performance between the pantograph and the net to be good, and effectively attenuate vibration caused by oscillation and impact between a vehicle body and the contact net; furthermore, the structure is compact, the weight is light, the windward is small, and the caused shaking and swing of a pantograph body are small. By adopting the sealed spring box, good current collection of a locomotive can be ensured, and the running is safe and smooth.

The embodiment of the invention discloses a bionic flapping wing actuating mechanism capable of realizing flapping and torsion composite motion. The actuating mechanism comprises a rack, a motor, a first gear, a main swing mechanism and an auxiliary swing mechanism, the main swing mechanism comprises a left special-shaped gear swing rod, a right special-shaped gear swing rod and linkage swing rods; the first gear and any one of the left special-shaped gear swing rod and the right special-shaped gear swing rod form a first crank swing guide rod mechanism; the linkage swing rods are arranged onthe two sides of the rack in a swing mode respectively, second crank swing guide rod mechanisms are formed between the linkage swing rods and the left special-shaped gear swing rod and between the linkage swing rods and the right special-shaped gear swing rod, and the main swing mechanism and the auxiliary swing mechanism are symmetrical in structure and are arranged on the front side and the rearside of the rack respectively. The auxiliary swing mechanism is in synchronous linkage with the first gear through a transmission shaft. By the adoption of the bionic flapping wing actuating mechanism, the microminiaturization degree is higher, the flapping amplitude is closer to the actual flying level of insects, large-angle active torsion of the wing can be achieved, and the bionic flapping wing actuating mechanism has the very high bionic level and application value.

The invention discloses a target plate cart for comprehensive helicopter aircraft gun optical target correcting. The cart comprises a trolley, a supporting frame, a guide rod, a supporting rod, a lifting device, a supporting base, a worm gear, a worm, a connecting part, a longitudinal supporting arm, a transverse supporting arm, standard target plates and special-shaped target plates; the supporting frame transversely moves along a sliding groove in the trolley, a bottom plate is fixed to the lower rend close to the supporting frame, the lifting device and one end of at least one guide rod arefixed to the bottom plate, the lifting device and the other end of at least one guide rod are fixed to the position, above the supporting frame, of the supporting base, the supporting base is provided with the supporting rod, the worm gear and the worm, the worm is engaged with the worm gear, the supporting rod is arranged on the center of the worm gear, the worm gear is in threaded connection with the supporting rod, the upper end of the supporting rod is fixed with the longitudinal supporting arm and the transverse supporting arm through the connecting part, the longitudinal supporting armand the transverse supporting arm are perpendicular, multiple standard target plates are arranged on the transverse supporting arm, and multiple special-shaped target plates are arranged on the longitudinal supporting arm.

The invention discloses a windproof support for a greenhouse. The support comprises two first piston tubes which are parallel and horizontally fixed on the ground, two ends of each first piston tube are sealed, the end parts of the two first piston tubes are connected through connection rods to form a square frame shape in a surrounding manner, the middle part of each first piston tube is vertically and fixedly connected with one second piston tube, and each second piston tube communicates with one corresponding first piston tube; the interior of each first piston tube is movably connected with two first pistons, and two first pistons are symmetrically distributed on two sides of one corresponding second piston tube; and the interior of each second piston tube is movably connected with onesecond piston, the space formed by each second piston and two corresponding first pistons is filled with hydraulic oil, and one end, far away from the hydraulic oil, of each first piston is fixedly connected with one piston rod. According to the support disclosed by the invention, acting force of strong wind is utilized in the strong-wind weather, a height of the greenhouse is reduced, blockage of the wind by the greenhouse is reduced, and therefore damage of the strong wind to the greenhouse is effectively reduced.

The invention relates to a pumping unit with a disk permanent magnet water-cooled and air-cooled linear motor. Two sides of a rope pulley are respectively provided with a set of disk permanent magnetic water-cooled and air-cooled synchronous three-phase linear motor drive set the primary of which is a stator, the secondary of which is a motor and the secondary is a permanent magnet; the motor adopts water-cooled and air-cooled motor. The secondary is respectively fixed on the two sides of the rope pulley to form a whole; the primary is fixed on the same shaft outside the secondary; a gap is arranged between the primary and the secondary; the primary drives the secondary which drives the rope pulley to rotate; an inner hole of the rope pulley is provided with a rolling bearing; an outer sleeve of the bearing is rotated along with the rope pulley; and an inner sleeve of the bearing is fixed with the shaft. The pumping unit has the advantages of simple structure, multi-pole, low rotating speed, big torque, no environmental pollution, no lubricant, long service life, convenient maintenance, few replaceable parts and easy matching.

The invention provides wind tunnel test equipment for wind-induced particulate matter drifting. The equipment is installed at a test section of a wind tunnel. The equipment comprises a driving assembly and a screen assembly, the screen assembly comprises an inner frame used for installing a screen. The screen is used for loading particulate matters, the driving assembly comprises a first motor, the driving assembly outputs rotation output by the first motor, the wind tunnel test equipment further comprises a track, the track is used for being installed on the wall of a wind tunnel, the first motor is installed on the screen assembly, the screen assembly is movably supported on the track, and the output end of the driving assembly is meshed with the track so as to drive the screen assemblyto move along the track. The equipment utilizes a flow field of a wind tunnel test section, the track is installed on the wall of the wind tunnel test section, a complex supporting structure special for supporting the track is omitted, and therefore the wind tunnel test equipment is simple in structure, small in windward side, low in cost, high in feasibility, low in blocking rate, small in wind profile influence and capable of effectively conducting snow load simulation on an actual large-span complex structure.

The invention belongs to the technical field of base station antennas. The invention especially relates to a three-low four-high multi-port base station antenna. The antenna comprises a bottom plate,and a reflecting plate I and a reflecting plate II are respectively arranged on two long edges of the bottom plate; a reflecting plate III is arranged on one short edge of the bottom plate; three groups of low-frequency radiation arrays and four groups of high-frequency radiation arrays which are parallel or overlapped with one another are arranged on the bottom plate; the low-frequency radiationarray comprises a low-frequency radiation array I, a low-frequency radiation array II and a low-frequency radiation array III; the high-frequency radiation array comprises a high-frequency radiation array I, a high-frequency radiation array II, a high-frequency radiation array III and a high-frequency radiation array IV; the low-frequency radiation arrayI, the low-frequency radiation arrayII, thehigh-frequency radiation arrayI, the high-frequency radiation arrayII, the high-frequency radiation array III and the high-frequency radiation array IV each comprise a plurality of first low-frequencyoscillators, a plurality of second low-frequency oscillators, a plurality of third low-frequency oscillators, a plurality of first high-frequency oscillators, a plurality of second high-frequency oscillators, a plurality of fourth high-frequency oscillators.

The invention discloses an agricultural greenhouse linkage tracking photovoltaic stent and a photovoltaic power generation system, which belongs to the technical field of photovoltaic power generation equipment. The stent comprises a column stent, a driving mechanism, guide rails and a component unit. The column stent is arranged above an agricultural greenhouse. The height of the column stent is slightly higher than the height of the agricultural greenhouse. The guide rails are fixed on the column stent. 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. According to the invention, the design thought of wind hiding and the theory of bionics are used; in one minute, the component unit automatically lays down, so that the windward surface is small and the wind resistance is reduced to ensure the safety of the stent, the system and the agricultural greenhouse; loss caused by the disaster is avoided; and the stent and the system have the advantages of simple structure, reasonable design and easy manufacturing.

The invention discloses an electric vehicle with wind-energy power assistance, comprising a vehicle body, a driving device and a generating device, wherein the driving device and the generating device are arranged in the vehicle body; the driving device is positioned at the rear-end side of the vehicle body; the generating device is arranged in a front cabin of the vehicle body; the side part of the front end surface of the vehicle body is provided with a side air inlet; the front cabin of the vehicle body is internally provided with an air discharging device leading to the outer side; and the generating device comprises a generator and a fan impeller which is positioned between the side air inlet and the air discharging device. The electric vehicle can effectively utilize certain wine energy to charge a storage battery, can effectively improve the full charge endurance and is beneficial to saving energy consumption.

The invention provides a vertical billboard, which comprises a base, a plate surface, a first elastic piece, a page rolling mechanism, a limiting member, and an energy storage driving mechanism. The base is arranged on a mounting surface and comprises a vertical rod which is vertically arranged and a cross rod which is horizontally arranged at the top of the vertical rod. The plate surface is hinged to a cross rod and can be turned over with the axis of the cross rod as the axis. The first elastic piece is arranged between the base and the plate surface and can enable the plate surface to return to the vertical position after the plate surface is turned over. The vertical billboard has the following advantages: the plate surface can rotate around the cross rod, so that the windward side ofthe billboard can be reduced through deformation when facing strong wind, and the billboard is prevented from being blown off by the wind; and with the energy storage driving mechanism, kinetic energy generated by rotation of the plate surface is converted into elastic potential energy of the energy storage driving mechanism, and the effect of driving the page rolling mechanism to switch the advertisement pages is achieved through centralized release.

The invention discloses a side-placed type integrated refrigerating unit. The side-placed type integrated refrigerating unit comprises a left unit support part and a right unit support part, wherein outer side faces of the left unit support part and the right unit support part are fixedly connected with a unit bottom plate through tensioning blocks, positions, close to the centers, on the rear sides of the left unit support part and the right unit support part are fixedly connected with two lateral unit support parts through bolts, first support strips and a second support strip are fixedly connected between the two lateral unit support parts through bolts, and the quantity of the first support strips is two. According to the side-placed type integrated refrigerating unit, an evaporator installing bottom plate and a heat insulation cover water containing disk are integrated into an independent assembly, an evaporator fixing column is reserved on the assembly, a water outlet, a throughhole exclusively used for a refrigeration pipeline and a through hole exclusively used for an electric connection wire are integrated in the assembly, an installing stepped face is reserved at the bottom of the heat insulation cover water containing disk, and a heat insulation layer made of high density foam boards is nested in the bottom of the heat insulation cover water containing disk, and therefore heat insulation of an evaporation bin is realized.

The invention discloses a warning board for a municipal road. The warning board comprises a fixing plate. A first sliding groove is formed in the surface of the fixing plate, and a second sliding groove is formed in the bottom face of the fixing plate. One or more first sliding blocks are slidably mounted in the first sliding groove, and one end of each first sliding block extends outside and is fixedly provided with a warning board body through a torsional spring. The one or more warning board bodies are each engraved with characters of front maintenance, and the surfaces and the back faces of the warning board bodies are each fixedly provided with a transparent plastic block of a triangular structure through glue. Gaps are formed between the warning board bodies correspondingly, and twosecond sliding blocks are slidably mounted in the second sliding groove. One end of each second sliding block extends outside and is fixedly provided with a supporting rod in a vertically welded mode,and a bottom plate is fixedly mounted on the bottom face of each supporting rod in a welded mode. The structure is simple, using is convenient, all the small warning board bodies are arranged independently, the windward sides are lowered, the warning board is prevented from being blown down by wind, and meanwhile disassembly and assembly are convenient, so that carrying is convenient.

The invention relates to the technical field of ecological engineering, and particularly discloses a tidal floating island. The tidal floating island comprises a plurality of floating bed units and fixing devices, and the plurality of floating bed units are arranged in a Chinese character Ri shape; and four floating bed units are fixed by four fixing devices, the four fixing devices are arranged at two sides of the four floating bed units, and two fixing devices at the same side are arranged in a splay shape. The tidal floating island of the invention is wholly designed in the Chinese character Ri shape, and the floating bed units at the same side are fixed by the fixing devices having the splay shape, so the windward surface of the floating island is reduced, the influences of wind and waves are reduced, and the stability and the safety of the floating island are enhanced, thereby the floating island moves up and down with the tides, and does not flow or float away under the action ofwater flow or monsoon from any direction.

The invention discloses a locking device for lifting an insulator, and relates to the technical field of electric power maintenance tools. The locking device for lifting the insulator comprises a bracket, a suspender and hand grabs; the bracket comprises a bracket body, a bracket rod, a bracket hole and a bracket inner cavity, the suspender includes a vertical rod, a first check block, a second check block, a lifting handle, a spring, a circular ring and connecting rods, and the hand grabs include hand grab bodies, rotating holes A and rotating holes B; the rotating holes A are formed in the upper ends of the hand grab bodies, and the rotating holes B are formed in the upper parts of the hand grab bodies; the hand grab bodies are rotated and slidably matched with the circular ring throughthe rotating holes A, and the hand grab bodies are rotated and slidably matched with the bracket rod through the rotating holes B; and the suspender is slidably matched upward or downward with respectto the bracket, and the hand grabs are correspondingly matched to contract or stretch; and through the bracket, the suspender and the hand grabs, the quick replacement of insulator strings is realized, the binding process of the insulator strings and lifting equipment is time-saving and labor-saving, the operation efficiency is high, and the operation and maintenance cost is low.

The invention discloses a louver bulletin board comprising a first installation pipe, a second installation pipe opposite to the first installation pipe, blades installed between the two installationpipes, and a cutting tool which can move from the first installation pipe to the second installation pipe and can move from the second installation pipe to the first installation pipe; the blades aresequentially arranged in the axial direction of the first installation pipe or the second installation pipe, one end of each blade is rotationally connected with the first installation pipe, and the other end of each blade is rotationally connected with the second installation pipe; the cutting tool comprises a cutter, the cutter comprises an installation plate and a plurality of cutter blades installed at one end of the installation plate, and each cutter blade corresponds to a gap between two adjacent blades; the bulletin board further comprises a turnover mechanism enabling the blades to turn over by at least 90 degrees; and the plurality of blades are arranged one after the next in the axial direction of the first installation pipe to form a panel. The windward area of the bulletin board is greatly reduced, and the bulletin board is not easy to blow to deform or blow down. The cutter blades can cut a poster into poster bars affixed to the blades, thus not affecting turnover of theblades.

The invention discloses a steel frame snowmobile sneaker which comprises a sole, a vamp and a rear piece wrapping the heel portion of the vamp, a smooth and continuous ridge line is arranged on the outer surface of the rear piece, the outer surface of the rear piece intersects with any plane parallel to a first plane to form a first intersecting line, and a second intersecting line is arranged on the outer surface of the rear piece. The first plane is used for supporting the shoe sole, the intersection point of the first intersection line and the ridge line is the most rear point on the first intersection line, and the most rear point on the first intersection line is the first final point; the ridge line is bent backwards and is provided with a rearmost point, the rearmost point on the ridge line is a second rearmost point, and the second rearmost point is located in the middle of the ridge line. By the adoption of the technical scheme, in the moving process of the steel frame snowmobile sports shoes, air resistance can be reduced, and competition results are improved.

The invention discloses a road dust on-line monitoring device, and relates to the technical field of dust particulate matter concentration monitoring, the road dust on-line monitoring device comprises a monitoring device body, a right top plate, a left top plate, a right ring cover, a left ring cover and a climbing device, the right ring cover is arranged on the right side of the monitoring device body, and the left ring cover is arranged on the left side of the monitoring device body; a connecting rod is fixedly connected to the top of the right ring cover, a right top plate is mounted at the top end of the connecting rod, a left top plate is mounted at the top of the left ring cover through the connecting rod, a first fixing plate is mounted on one side of the right top plate, a threaded rod is fixedly connected to one side of the first fixing plate, and a second fixing plate is fixedly connected to one side of the left top plate. The monitoring device has the advantages of being reasonable in structure, high in wind resistance and convenient to install, the monitoring device surrounds the surface of the municipal rod body in a circular ring shape, the monitoring device can move up and down to freely adjust the height to collect data of flying dust in air at different heights, the accuracy of the monitoring data is improved, and practicability is high.

The invention relates to a frame-shaped truss wing beam dual-beam variable pitch single-film flow-converging wing surface flapping wing, and belongs to the technical field of air vehicles. A multi-degree-of-freedom space quadrangle is composed of a flapping wing main shaft 1, a bearing truss wing beam member 2, a floating wing beam seat 3, a floating truss wing beam member 5 and a wing end wing rib frame 6; the floating wing beam seat 3 performs leading flapping around the flapping wing main shaft 1 fixedly connected with a machine body, and the bearing truss wing beam member 2 performs lag follow-up; when flapping wing pitching switching is carried out, the floating truss wing beam member 5 swings front and back in a narrow range around a hinge pin 4 under the limit of the wing end wing rib frame 6; a wing root wing rib frame 7 and a plurality of (in the scheme the number is three) spaced wing rib frames 8 are connected between dual beams in a spanning mode and are limited at the positions of comb-tooth-shaped supporting rods of all wing beams and move following the beams to form pitch angles gradually varied in the wing unfolding direction; and a single-film wing surface 9 is arranged on a center zone of the wing beams and is combined with all the spaced wing rib frames to form four efficient lift-drag ratio wing surfaces which have geometric properties of flow guiding, converging and extruding airflow.