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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.