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808results about How to "Strong wind resistance" patented technology

Self-rotor unmanned aerial vehicle-based air emergency communication system

The invention discloses a self-rotor unmanned aerial vehicle-based air emergency communication system. The system comprises a self-rotor unmanned aerial vehicle, a ground control station, a data link and an aerial mobile base station task load, wherein the aerial mobile base station task load is arranged on the self-rotor unmanned aerial vehicle; after the ground control station controls the unmanned aerial vehicle to fly over airspace of a disaster area according to a set air route through a wireless uplink, the ground control station controls an aircraft to spiral over the set position in a small range; a mobile base station starts to work and transmits mobile communication data to the ground control station through a data channel of the wireless downlink; and therefore, aerial mobile base signals land and are accessed into a public network in a wired way to finish the mobile communication. The system has long endurance flight time and high load capacity, can arrive at the airspace of a disaster site rapidly and conveniently, and provides guarantee for the emergency communication of disaster situations such as earthquake.
Owner:北京航天科工世纪卫星科技有限公司

Low-cost solar energy tracking and condensing power generation method

The invention provides a low-cost solar energy tracking and condensing power generation method, belongs to the field of solar utilization, relates to solar energy condensing light and heat power generation and condensing photovoltaic power generation and solar energy condensing light and heat utilization, and realizes a whole low-cost proposal for solar energy power generation through technical breakthroughs in various links. The method comprises that: a parallel linkage and a compensation mechanism control a reflecting mirror array to trace and condense light in low cost; heat induction of a power thermotube of an inverted valve is added to a thermotube cycle for evaporation and condensation; container type heat evaporation and pressurization replaces a feed pump to make a heat power generation cycle freely select working media for high-efficiency fully-enclosed operation; and a simple linear motor type hydrothermomagnetic power generation method can make the heat pressurization power generation cycle have higher efficiency and lower cost, make thermotubes on solar cell backboards radiate heat, condense light, generate power and the like. The low-cost whole resolution proposal can promote wide use of solar energy, and the technical breakthroughs in the various links can play important roles in saving energy in respective fields.
Owner:张玉良

Externally laid masonry composite heat-insulating sintered building block exterior wall heat insulating system

The invention discloses an externally laid masonry composite heat-insulating sintered building block exterior wall heat insulating system, and relates to the technical field of building wall heat insulating and energy saving technology. The system comprises an exterior wall main body structure, a ring beam gutter, a floor gutter, a heat insulating material, I-type main building blocks, II-type main building blocks and the like, wherein the external laid masonry composite heat insulating sintered building blocks are laid and built outside a building exterior wall structure part; the heat insulating material is placed in the sintered building blocks; and an air space is reserved in the building blocks and outside the heat insulating material, and a protective layer is arranged on the outer side. The externally laid masonry composite heat-insulating sintered building blocks consist of main building blocks, corner matching blocks and hole matching blocks, wherein the main building blocks are divided into the I-type main building blocks and II-type main building blocks in category; and the corner matching blocks are divided into external corner matching blocks and internal corner matching blocks. The system has the advantages of easiness, convenience and practicability in building type construction, high construction speed, excellent wall integrity, superior wind resistance to the conventional sandwich heat insulation, factory production of materials and capability of reducing a complex operation process with high probability of causing the quality problem on site.
Owner:SHENYANG JIANZHU UNIVERSITY

Big cherry tree shaping, trimming and managing technique

ActiveCN103733943ASolve the shortcomings of horizontal branching and inconvenient managementSolve the shortcomings of inconvenient managementCultivating equipmentsHorticulture methodsCherry treeAgroforestry
The invention discloses a big cherry tree shaping, trimming and managing technique. A big cherry tree which is high in wind resistance, early in fruiting, big in fruit, high in yield and easy to manage can be cultivated through a series of techniques of seedling selection, field planting, tree form cultivating, trimming, fertilizing and the like.
Owner:吕以明

Structural system of industrial low storied dwelling

The invention belongs to the field of building structures, and in particular relates to a structural system of an industrial low storied dwelling adopting modularized design, factory production and field mounting. The structural system of the industrial low storied dwelling comprises steel columns, steel girders, inter-column supports, steel girder horizontal supports, floor slabs, connecting nodes between the steel columns and a foundation, the connecting nodes between the steel columns and the steel girders, the connecting nodes between the steel columns and the inter-column supports, the connecting nodes between the steel girders and the steel girder horizontal supports, rigid connection nodes between the steel girders, the connecting nodes between the steel girders and the floor slabs, roofing surrounding systems and wall surface surrounding systems, wherein the steel columns are connected with the foundation through pre-embedded bolts; the steel columns are connected with the steel girders through bearing type high-strength bolts; the steel columns are connected with the inter-column supports through ordinary bolts; the steel girders are connected with the steel girder horizontal supports through the ordinary bolts; the steel girders are in fully rigid connection through continuous girders; the slabs are connected with the steel girders through male pins or special fasteners; and each of the roofing surrounding systems and the wall surface surrounding systems is of a block type. The structural system of the invention has the characteristics of clear stress of the structure, simple component connection, convenient and quick mounting, attractive appearance, good rationality and economical efficiency of unit steel amount, and is favorable for industrial production.
Owner:宝业集团浙江建设产业研究院有限公司

Cog belt driving group synchronous tracking sunlight automatically tracking device based on trajectory of the earth and the sun

A cog belt driving group synchronous tracking sunlight automatically tracking device based on the trajectory of the earth and the sun is driven by motors and capable of realizing automatically tracking of sunlight acquisition. Two motors drive a plurality of solar panels by a mechanical transmission mechanism which is composed of a straight rack, a cog belt, a cog belt pulley, a suspension bar and the like to accomplish synchronously and automatically tracking the motion of sunlight, and the device can be used for driving solar panels and other sunlight acquisition devices, thus realizing the group synchronous automatic tracking of sunlight acquisition.
Owner:BEIJING INSTITUTE OF GRAPHIC COMMUNICATION

Near space balloon system safety release method

The invention discloses a near space balloon system safety release method. The method comprises an unfolding stage, an inflation stage and a let-fly stage. By adopting the method, the windward area of a balloon is small in the inflation stage, an obvious wind-catching phenomenon is not caused, a set of hoists is adopted for multi-point constraint, the state of the balloon is controlled, thus the balloon is fixed safely and reliably, the wind resistance ability is high, thus the whole release process of a balloon system can be completely carried out in an external field, and a shelter place or a large-area ground is not needed; a descent control device is adopted, so that the liftoff speed of a nacelle and the relative speed between the nacelle and the balloon are lowered and the balloon system is lifted off safely; in the release process of the balloon, release can be performed only under the condition that rope belts are at a straightened state between the balloon and the nacelle, the balloon can be released without waiting for completely lifting off the ground, one person can complete initiation of all rope cutters in release operation, the operation is quick, and the response is timely and reliable; the release process is safe and smooth, and the method can be surely applied to releasing large-scale near space balloon systems with the load being higher than 100 kg.
Owner:湖南航天远望科技有限公司

Construction method of unfolding preliminary leading rope with remotely pilotless helicopter

The invention discloses a construction method of unfolding a preliminary leading rope with a remotely pilotless helicopter, belonging to the overhead transmission line installation field. The invention solves the problems that the construction of unfolding the leading rope manually is difficult and the cost is high; and the construction process of unfolding the leading rope from the ground can influence the surrounding environment. The process theory of the construction method of unfolding the leading rope with the pilotless helicopter is to utilize the interaction of the pilotless helicopter and a special tensioner to perform pull-to-unfold tension unfolding. When the pilotless helicopter flies through the top of each base-station steel tower, staff on the tower can use a special tool to place the preliminary leading rope in an upturned sheave groove. If when the pilotless helicopter flies through the top of each base-station steel tower, the rope-grapping operation is not successfully, the pilotless helicopter can hover, crab, fly up or down or adjust attitude over the base-station steel tower until staff on the tower grab the preliminary leading rope and successively complete operations of each base-station tower.
Owner:STATE GRID CORP OF CHINA +2

Intelligent spraying robot for outer wall of high-rise building and control method of intelligent spraying robot

The invention discloses an intelligent spraying robot for the outer wall of a high-rise building and a control method of the intelligent spraying robot. The intelligent spraying robot is composed of an upper machine body and a lower machine body, the upper machine body is installed on the roof of the building, and vertical lifting is carried out by hoisting equipment in the upper machine body on the lower machine body through ropes; and the lower machine body is attached to the outer wall of the building through adsorption feet, and can use the adsorption feet to achieve up and down walking ona wall surface, a spray gun movement worktable arranged on the lower machine body has multiple degrees of freedom, and a spray gun in the spray gun movement worktable can move in the X direction, theY direction and the Z direction separately as well as rotate around the Z axis. The intelligent spraying robot has high wind resistance capability and high safety factors, can realize intelligent spraying through the matched arrangement of a controller, and can effectively improve spraying quality and spraying efficiency.
Owner:HEFEI UNIV OF TECH

Bridge detecting robot based on negative-pressure absorption

The invention discloses a bridge detecting robot based on negative-pressure absorption. The bridge detecting robot consists of an absorption control module, a motion control module, a disease detection module and a light outer shell, wherein the absorption control module comprises a sealing cavity, a negative-pressure generation device, an air-pressure sensor, a single-chip-microcomputer main control board, a wireless instruction transmission module, a wireless instruction transmission module and a remote control device; the motion control module comprises four moving wheels, four steering engine drivers, a single-chip-microcomputer main control board, a wireless instruction transmission module, a wireless instruction transmission module and a remote control device; the disease detection module comprises a camera unit and a ground image processing unit; and the light outer shell is fixed by wire binding belts which penetrate through the installing holes on the front edge and the rear edge of a supporting bottom plate, and the negative-pressure generation device, the air-pressure sensor, the single-chip-microcomputer main control board, the wireless instruction transmission modules, the wireless instruction transmission module and the four steering engine drivers are put into the outer shell. The bridge detecting robot disclosed by the invention has the advantages that the anti-wind capability is strong, the working efficiency is improved, the detection period is shortened and the safety risk is also greatly reduced.
Owner:NANJING UNIV OF SCI & TECH

Large type wind proof light collecting device with capability of automatic tracking sun

A large wind-proof daylight collector able to automatically track sun is composed of a daylight gathering module array, supporting frame, azimuth and altitude angle driver, a tracking controller, andazimuth and altitude angle sensors for sending the signals to the tracking controller. Its advantages are simple structure and wind-proof performance and high tracking precision.
Owner:张耀明 +2

Rotary luffing sun tracker

The invention discloses a rotary luffing sun tracker, which belongs to the field of solar energy application and is used for real-time dynamic tracing of the sun orientation of a solar energy concentrating and collecting system and a solar energy photovoltaic power generating system. The rotary luffing sun tracker is characterized by consisting of a two-coordinate high-precision sun tracing sensor 1, a rigid bearing platform 2, a set of or a pair of electrical push rods 3, a set of two-circuit electrical equipment driving systems 4 and a set of electric horizontally-rotating platforms 5, wherein the two-coordinate high-precision sun tracing sensor 1 is arranged on a light facing face of the rigid bearing platform 2; the lower ends of the set of or pair of electrical push rods 3 are hinged on the platform faces of the electric horizontally-rotating platforms 5 while the upper ends are hinged with the rigid bearing platform 2; one or one group of supporting feet is fixedly connected to the platform faces of the electric horizontally-rotating platforms 5; a group of coaxial hinging supporting holes are formed on the supporting feet; and the lower abdomen of the rigid bearing platform2 is hinged with the hinging supporting holes. The rigid bearing platform 2 can be pushed to perform luffing up and down around a hinged shaft of the electric horizontally rotating platforms 5 on the platform faces of the electric horizontally rotating platforms 5 at an angle of within 90 degrees through the up and down movement of moveable sleeves of the electrical push rods 3; and then the electric horizontally rotating platforms 5 carry the rigid bearing platform 2 to trace the sun motion in all directions through the rotation of the electric horizontally-rotating platforms 5 in the horizontal direction so that the light receiving face of the rotary luffing sun tracker always faces the sun.
Owner:陈鼎凌

Curtain wall with glass and aluminum honeycomb plate bilayer structure and construction method thereof

The invention provides a curtain wall with a glass and aluminum honeycomb plate bilayer structure, which comprises a main keel, a secondary keel, glass, a connecting assembly, a built-up connecting assembly, an aluminum honeycomb curtain wall main keel, an aluminum honeycomb curtain wall secondary keel, an aluminum honeycomb plate, a lamp assembly and a sealing and adhering assembly, wherein the main keel, the secondary keel and the glass form a hidden-frame glass curtain wall, and the aluminum honeycomb curtain wall main keel, the aluminum honeycomb curtain wall secondary keel, the aluminum honeycomb plate and the lamp assembly form an aluminum honeycomb plate curtain wall for decoration; and a main connecting piece of the connecting assembly penetrates through a gap between adjacent glass and is welded with the main keel, and an aluminum honeycomb plate curtain wall keel system is fixedly connected with the main keel of the glass curtain wall through the built-up connecting assembly. The construction method mainly comprises ten steps of installation of the glass curtain wall keel, installation of the main connecting piece, installation of the aluminum honeycomb plate curtain wall keel and the like. The curtain wall provided by the invention has the advantages of firm and stable structure, strong wind resistance, convenience in modeling and good decorative effect, and the construction method of such decoration project is expanded.
Owner:CHANGZHOU NO 1 CONSTR GRP

Sun tracking mechanism and application thereof

The invention relates to an automatic sun tracking device, and belongs to the technical field of solar utilization. The device comprises a condensation module array, a drive mechanism, a tracking control circuit, a sensor and the like. A set of control and drive mechanism controls and drives hundreds of to tens of thousands of sunlight receiving devices to track the sun; and the receiving devices comprise a condensation or non-condensation photovoltaic cell assembly, a heat energy receiving device, a sunlight reflector, a sunlight refractor and the like and are used for photovoltaic power generation or heat energy application and used for reflecting or refracting the sunlight to a receiver on a tower for photovoltaic power generation or heat energy application and the like. The device has simple structure, is not easy to deform, has good wind resistance, high tracking precision and low cost, and can be used for various solar utilization systems.
Owner:邱定平

Heavy-load high-accuracy lifting device with multiple sections capable of freely extending and retracting

The invention relates to a heavy-load high-accuracy lifting device with multiple sections capable of freely extending and retracting, which comprises a base module, a power module, an intermediate extension and retraction module A, an intermediate extension and retraction module B, a final extension and retraction module and a lifting device platform, wherein the base module is arranged on a base. The heavy-load high-accuracy lifting device is characterized in that the power module transmits power to a central power lead screw (12) and the central power lead screw (12) helically transmits the power to the intermediate extension and retraction module A to drive the internal male-thread lead screw III (13) of the intermediate extension and retraction module A to extend and retract; the internal male-thread lead screw III (13) helically transmits the power to an internal male-thread lead screw II (14) to drive the intermediate extension and retraction module B to extend and retract; and the internal male-thread lead screw II (14) helically transmits the power to the internal male-thread lead screw I (6) of the final extension and retraction module to drive the internal male-thread lead screw I (6) to extend or retract. The heavy-load high-accuracy lifting device has the advantages that the device can be stopped and self-locked at any position under heavy-load complex working conditions, the device is convenient to install, the fitting is close, the device is modularized and the performance is reliable.
Owner:JIANGSU UNIV OF SCI & TECH

Lateral girder erection and construction method for truss double-girder type bridge girder erection machine

The invention belongs to a precast girder mounting construction method, in particular to a lateral girder erection and construction method for a truss double-girder type bridge girder erection machine. A lateral girder erection structure of the truss double-girder type bridge girder erection machine comprises two transverse moving tracks, wherein the two transverse moving tracks are respectively arranged on the tops of bent caps at two ends of a to-be-erected hole; two ends of each transverse moving track are suspended out of the bent caps; outer suspended ends of each transverse moving track are supported on temporary buttresses; a high-position gantry crane structure is arranged on the tops of the two transverse moving tracks; and a transverse moving wheel box serves as a walking system of the high-position gantry crane structure. The construction method comprises the following steps of mounting the temporary buttresses; mounting and reinforcing the transverse moving tracks; mounting main longitudinal girders; and assembling, examining and receiving the bridge girder erection machine. The lateral girder erection method of the truss double-girder type bridge girder erection machine comprises the following steps of girder conveying, girder feeding, girder lifting, transverse moving, girder falling, temporary reinforcing and welding of crossbeams among girders. By the lateral girder erection and construction method for the truss double-girder type bridge girder erection machine, the construction cost is reduced effectively, and construction safety is ensured.
Owner:CHINA RAILWAY SIXTH GROUP

Universal bridge cast-in-place support

The invention relates to a cast-in-place support platform for bridge cast-in-place construction, and the platform is characterized by consisting of a movable seat, a hydraulic jack, a steel pipe concrete vertical column, stable tie bars on a longitudinal surface, a horizontal surface and a plane, a spherical hinge support, a support primary beam, a support secondary beam, a reinforcing diagonal rod, a distribution rib, a large steel mould at the bottom of the beam, a support and pier top fixed connecting system, a pier top crossbeam, a partial template of a pier tope, a pier top large tonnage hydraulic jack, an undercarriage hoist or a chain block in the beam, an undercarriage steel cable and the like; all the components are spliced detachably and interchangeably; the connection of all the components is mainly realized through bolts; and the cast-in-place construction of a bridge can be carried out after a cast-in-place support is assembled according to the actual situation on the site and the beam body template is arranged on the support. The universal bridge cast-in-place support has the biggest characteristics of good practicality, high standard degree, high load bearing capability of the support system, low requirement on the load bearing capability of a foundation, settlement monitoring and automatic compensation functions; and is applicable to the cast-in-place construction of simple support beams, continuous beams and arch bridges; has few assembled and disassembled parts and no components with large sizes after being disassembled, is convenient to transport, is the support equipment for bridge cast-in-place construction with the highest standardization level and the best universality so far, and can significantly shorten the construction period and save the cost.
Owner:曹新恒

Cultivation method for potted camellia nitidissima

The invention discloses a cultivation method for potted camellia nitidissima. The method includes the procedures of stock stump cultivation, stock stump potting and management, grafting propagation and pruning, and is characterized in that protection and management cultivation is carried out on good camellia nitidissima seed trees of ten years old or older in a nursery, scions are collected and grafted to cultivated camellia osmantha stock seedlings, and then a large quantity of good-quality potted camellia nitidissima can be obtained, wherein the camellia nitidissima seed trees are introduced from a camellia nitidissima native area. According to the method, based on various good stock seedling application characteristics of camellia osmantha, under the condition that the camellia nitidissima seed tree resource is quite limited, large camellia osmantha stumps are obtained through cultivation with a field cultivation method, then the cultivated large camellia osmantha stumps are transplanted into seedling growing bags for conservation and management, and then the camellia nitidissima and camellia osmantha large stock grafting cultivation method is developed; a large quantity of potted camellia nitidissima can be rapidly obtained, a foundation is laid for prompting industrialized development of potted camellia nitidissima, and good economic benefits, social benefits and ecological benefits are achieved.
Owner:GUANGXI FORESTRY RES INST

Low-voltage gas-filled tent

The invention discloses a low pressure air dome which is an air rib support arc-shaped tent with double-layer roof, comprising a tent body protecting part, a rib support part, a rope hanging part, a tent fixing part and air charging equipment; the tent body protecting part comprises an outer tent top, an outer fronton, an inner tent and ground fabric; the outer tent top and the outer fronton are connected to form an outer tent by an interlink belt and Velcro, and the outer tent covers the external part of the rib support part; the inner tent is a whole and hung in the rib support part; a thermal insulation layer is arranged between the outer tent and the inner tent. The low pressure air dome is easy to pitch, safe in use and convenient in storage and transportation, has comprehensive supporting measures and wide use, can be used under different ground conditions and has wide span inside the tent without any barriers and high space utilization ratio; in addition, the fronton door can be opened, thus being convenient for in and out of oversize vehicles and weaponry.
Owner:ARCHITECTURAL ENG INST GENERAL LOGISTICS DEPT P L A +1

Construction outdoor sun-shading metal roller blind with turnover blind slats

The invention provides a construction outdoor sun-shading metal roller blind with turnover blind slats. The construction outdoor sun-shading metal roller blind comprises a tubular motor (10), a front housing (2), a back housing (1), a group of hoisting belts, a group of the blind slats, blind slat lateral covers (19), a turnover control mechanism and a guide rail (9), wherein the group of the hoisting belts are responsible for transmitting power of a transmission tube (22) to the blind slats; the bind slates have sun-shading effect and can be rolled on the transmission tube (22); the blind slat lateral covers (19) are arranged at the both ends of upper blind slats (4), transition blind slats (5) and turnover blind slats (6), and are in the same symmetrical structure; the upper blind slats (4), the transition blind slats (5) and the turnover blind slats (6) can be connected by a hoisting chain board (8) and a turnover chain board (7) through the blind slat lateral covers (19), so that the upper blind slats (4), the transition blind slats (5) and the turnover blind slats (6) form a straight line capable of stretching, and can be wound on the transmission tube (22) in a curled manner; and meanwhile, the turnover blind slats (6) is turned over to be horizontal, so that light enters indoors through gaps among the turnover blind slats. The construction outdoor sun-shading metal roller blind provided by the invention keeps the advantages of good sun-shading effect, strong wind-resistance capability, and obvious sound insulation effect. The blind slates can be turned over while the construction outdoor sun-shading metal roller blind is unfolded for sun-shading, so that the functions of lightning, ventilating, keeping a visual field and the like are realized.
Owner:NANJING JINXINGYU ELECTRIC DOORS

Human body invasion detector capable of intelligent analysis and detection method thereof

InactiveCN102346950AWill not call the policeStrong wind resistanceBurglar alarmHuman bodyLight irradiation
The invention discloses a human body invasion detector capable of intelligent analysis. The detector comprises a central processor, human body sensing assemblies and an alarm device; the human body sensing assemblies are respectively two groups of infrared sensing assemblies; signal output ends of the human body sensing assemblies are connected with a sensing signal input end of the central processor; and an alarm signal output end of the central processor is connected with a signal input end of the alarm device. The invention also discloses a detection method of the detector, which comprises the following steps of: starting; detecting a test mode; detecting a delay; detecting whether a sensor works or not; analyzing a direction of motion; comparing whether the direction of motion is in accordant with an alarm mode or not; sending an alarm code and returning to the start; and circulating the above steps. Through the adoption of the invention, whether a person who passes through the human body invasion detector is an illegal invader or the owner of the detector can be accurately judged and an alarm is executed; meanwhile, no error alarm is caused by non-human factors, such as blow, sunlight, light irradiation, and the like.
Owner:成都理想科技开发有限公司

Automatic tracking device capable of synchronously tracking sunlight with link drive group based on running tracks of earth and sun

The invention relates to an automatic tracking device capable of synchronously tracking sunlight with link drive group based on the running tracks of the earth and the sun, which can be driven by motors, and can automatically track and collect sunlight. The automatic tracking device can finish the operation of synchronous and automatic tracking of sunlight by using two motors to drive multiple solar panels via a mechanical transmission mechanism comprising a spur gear, a link, a long and straight link, a supporting rod and the like; furthermore, the automatic tracking device can be used for driving solar panels and other sunlight collectors to realize the group synchronous automatic tracking of sunlight collection.
Owner:张晋 +1

Mango grafting cap cut-grafting method

InactiveCN103493690AEasy to produce healing tissueStrong wind resistanceHorticultureRootstockBud
The invention discloses a mango grafting cap cut-grafting method which can improve the grafting survival rate, and belongs to the technical field of fruit tree grafting. The mango grafting cap cut-grafting method comprises the steps of slantly downwards cutting from the lower portion of a bud (3) to form a scion slant cutting face (11), then upwards cutting along a forming layer of a scion (1) from a scion tip part (12) to form a scion long cutting face (13) and a cut scion phloem (14), slantly upwards cutting from one side of a root stock (2) to form a root stock slant cutting face (21), then downwards cutting along a forming layer of the root stock (2) from a root stock tip part (22) to form a root stock long cutting face (23) and a cut root stock phloem (24), pasting the scion long cutting face (13) and the root stock long cutting face (23) together in an aligning mode, wherein the cut phloems are pasted to slant cutting faces respectively, and finally conducting tight sealing and binding to finish the grafting process. The mango grafting cap cut-grafting method is simple and practical, high in survival rate and capable of used in popularization and application of mango seedling nursery stock grafting, top grafting seed exchanging, stem cutting seed exchanging and other aspects.
Owner:PANZHIHUA HONGHU AGRI DEV

Oil-driven four-rotor-wing unmanned aerial vehicle

The invention discloses an oil-driven four-rotor-wing unmanned aerial vehicle. The oil-driven four-rotor-wing unmanned aerial vehicle comprises four rotor wings and an aero-engine, wherein each rotor wing comprises two ribs; each rib is connected with a corresponding paddle hub; the aero-engine is used for transmitting power to four groups of speed changing boxes through four crossly-arrayed transmission shafts via a speed reducing box, and the two paddle hubs connected with the two rotor wings are controlled by the speed changing boxes through a servo steering engine and a pitch varying system to realize corresponding movement; and the oil-driven four-rotor-wing unmanned aerial vehicle further comprises a control system. The oil-driven four-rotor-wing unmanned aerial vehicle takes gasoline / aviation coal as fuel and takes the small-size aero-engine as power; a lifting force system adopts a helicopter rotor wing form; and a manipulation manner adopts a constant rotary speed and variable paddle pitch manner. The oil-driven four-rotor-wing unmanned aerial vehicle has the characteristics of long endurance time, great loading capacity, good maneuvering performance, strong anti-wind capability and the like. The work task requirements of almost customers can be met.
Owner:STATE GRID CORP OF CHINA +3

Method for plating water hyacinth with control in open water

The invention discloses a method for controllably breeding water hyacinth in an open water body, belongs to the aquatic plant breeding technical field, and also belongs to the environmental protection technical field which utilizes aquatic plants to govern open water eutrophication. In the method, wave attenuation floating beds are employed to controllably breed the water hyacinth in the open water body, machinery is employed for salvage, the best stocking number is not less than 500kg per mou, the water body is kept a certain interchangeability after stocking, a firm floating movable fence (wave attenuation floating bed partition) is employed while stocking, the wave attenuation floating beds can automatically rise and fall with the water level, and are made of foam ball floats, steel tubes, meshes, iron anchors, sinkers and net ropes, the fence is formed with the wave attenuation floating beds according to specific situations of the lake surface, the fence area is controlled at 1 / 3 of the water surface area, the fence area of a wave attenuation floating bed is controlled at 100 mou, the breeding area of the water hyacinth is controlled at 1 / 4-1 / 3 of the area of the wave attenuation floating beds; and the water hyacinth is salvaged and utilized, and is made into an organic fertilizer by combining with sludge of sewage treatment plants.
Owner:沃邦(江苏)生态肥业有限公司

Archaistic building and manufacturing method thereof

The invention provides an archaistic building and a manufacturing method thereof, relating to the technical field of manufacturing of historic buildings. The archaistic building comprises a ground foundation, a main body steel structure, archaistic upright pillars and archaistic joint tiles, wherein the archaistic joint tiles and the archaistic upright pillars are made of modified cement and are factory prefabricates with lifelike forms and excellent assembling and archaistic effects. Besides, the steps of the manufacturing method are simple, and the manufactured archaistic joint tiles are scientific in physical dimension design and reasonably butted and have the advantages that water seepage and rain leakage are avoided, the texture is real, the durability is good, and the appearance and the proportion are accordant with traditional tiles. According to the manufacturing method, the technical problems of long construction cycle and short service life in the prior art are solved, the construction of the archaistic building is relatively reasonable, and the application of the archaistic building is relatively wide.
Owner:BEIJING JUXING COMPOSITE MATERIAL TECH DEV

Method for reconstructing low-efficiency windbreaks in east of Zhejiang east coast based on tree functional traits

The invention discloses a method for reconstructing low-efficiency windbreaks in the east of Zhejiang east coast based on tree functional traits. The method comprises following steps: firstly, dividing the windbreaks in the east of Zhejiang into two wind-proof areas including a wind-blowing area and a wind-resisting area; sequentially analyzing functional traits of wind-proof species with advantages at different offshore distances and community wind speed reduction coefficients, diagnosing wind-proof efficiency of plants based on wind-proof functional traits of plants and analysis of regression of community wind speed reduction coefficients such that target specie libraries with wind-proof capability can be filtered; screening target trees with wind-proof functions suitable for different site conditions combined with growth preference characteristics of plants. By taking steps such as reconstruction, selective cutting, under-forest after-culture, nourishment and culture management of target trees, windbreaks with complete structures, stability and health and high efficiency are reconstructed finally. The method for reconstructing low-efficiency windbreaks in the east of Zhejiang based on tree functional traits has following beneficial effects: adaptable plants in different mountain environments can be easily and accurately selected so that input into management and reconstruction of forest is reduced; and advantages such as many target trees with wind-proof functions, good growth, quick recovery and high efficiency are obtained.
Owner:海逸生态建设有限公司

Plant cultivation method and using planting apparatus

InactiveCN101213920AEasy to useSave yourself the hassle of diggingCultivating equipmentsForestryPlant cultivationBiology
The present invention relates to a plant cultivation method and a plant transplanting apparatus for controlling the root and optimizing the transplanting of the plant. The plant transplanting apparatus of the present invention is provided with a side wall that is provided with holes, and is free from an upper cover and a bottom. The plant cultivation method of the present invention is that: firstly, a planting pit with a proper size is dug in nursery garden; secondly, after the two side edges of the plant transplanting apparatus is folded and fixed, the plant transplanting apparatus is plugged or interposed in the planting pit; thirdly, the plant is planted in the transplanting apparatus. Transplanting the plant with the device and the method of the present invention not only has the advantages of the prior cultivation method with the container, but also the manufacturing of the transplanting apparatus of the present invention is simple, the application is convenient, the cost is low, and the culture and the management of the seedling are almost the same with that of the field. The present invention provides a novel plant cultivation method and a novel plant cultivation apparatus with less investment, easy being mastered and fast effect.
Owner:SHANGHAI YINE GREEN TECH +1
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