38results about How to "Avoid wind damage" patented technology

The invention discloses a method for cultivating alfalfa in a low- salt and -alkali cultivated land, relates to a method for cultivating the alfalfa and solves the problems of low rate of emergence, low yield and low alfalfa wintering rate in a saline and alkaline land by the conventional alfalfa planting method. The method comprises the following steps of: 1, turning over soil of the low- salt and -alkali land in autumn and forming ridges; 2, softening and air-drying alfalfa seeds before sowing; 3, ditching in spring, watering, sowing and preventing against insects and weeding; 4, mowing in an early flowering season and mowing once every 30 to 40 days until 20 days before frosting; 5, mowing for the last time after frosting; and 6, keeping 16 and 25 percent of the water content (mass) of the soil in an alfalfa land after reviving in a second year, performing normal fertilizer and water management and mowing. The rate of emergence of the method is between 80 and 90 percent, grass yield in a first year is 25 to 28 percent higher than that of the conventional method and wintering rate is between 78 and 92 percent. The method is suitable for cultivating the alfalfa in the low- salt and -alkali cultivated land.

The invention discloses a trellis type grape cultivation method, which is realized by leading and binding wires parallelly arranged between vertical posts in a grapery. Each grape tree grows a main vine which is led and bound to a first leading and binding wire; and young sprouts of the main vine are led and bound to at least two leading and binding wires above the first leading and binding wire. The cultivation method of the invention has the advantages of convenient management, reasonable space utilization, concreteness, effectiveness and convenient promotion and application.

An outdoor umbrella stabilizer system for preventing wind damage to an outdoor umbrella having a plurality of cords, a plurality of clips and a means of securing the cords to a weighted object. The stabilizer system flexibly maintains the canopy in position, preventing strong winds from catching the canopy and twisting, warping, contorting, buckling or deforming the umbrella, thereby stabilizing the outdoor umbrella. The stabilizer system installs on many styles of outdoor umbrellas, including a cantilever, a beach umbrella, a deck or patio umbrella, a center pole or vertical pole of the umbrella unnecessary for installation. The stabilizer system has a sac containing ballast as a weighted object. The cords attach to the sac. For an umbrella accommodated by a table having a center hold for the umbrella, the table is the weighted object, the cords attaching to the legs.

A wind power generating apparatus having a plurality of rotary wings can reduce the load and resistance on the rotary wings due to wind to obtain a highly effective rotation power as well as to flexibly absorb the impact applied to the rotary wings due to varying wind pressure. Each one of the rotary wings has a radius of rotation different from the others and rotates separately according to the direction of the wind, by which the rotation power resulting from load and resistance in the integrally elongated rotary wings in relation to the wind is prevented from being canceled, and the wind acceleration via the accelerator covers and the wind distribution to the rotary wings result for highly efficient rotation power. The impact on the rotary wings is elastically absorbed while supporting the rotary wings so that the rotary wings can gradually rotate according to the intensity of the wind without damage

The invention discloses a method for cultivating millets in light saline-alkali cultivated land and relates to a method for cultivating the millets. The method solves the problems of low yield and poor benefit of the conventional method for cultivating the millets in the saline-alkali land. The method comprises the following steps of: 1, performing stubble cleaning, autumn ploughing, autumn rigding and organic fertilizer application on the light saline-alkali land sequentially; 2, performing seeding in a mode of ditching on the ridge with water technology and wide lines; and 3, after the seedlings of the millets come up out of the ground, shoveling the land and intertilling, shoveling the land and shallow-ploughing and performing final singling of the seedlings sequentially; shoveling the land and performing deep-ploughing and folding after the completion of tillering of millets; during the jointing period of the millets, performing top application and cultivating the soil by fording deeply; during the grouting period of the millets, irrigating for one time; and harvesting the millets after the millets are ripe. The average yield per hectare of the millets cultivated in the saline-alkali land by the technical scheme reaches 4,500 kg; and compared with those of the conventional production land, the yield is increased by 47.7 to 51.0 percent and the income is increased by 5,820 to 6,220 yuan. The method can be used for cultivating the millets in the light saline-alkali cultivated land.

A door system (10) for a door opening defined by a pair of vertically spaced jambs (12), a header (13) positioned near the vertical extremity of the jambs (12), and a floor (F). The door system includes a door (D), a plurality of track sections (17-19), the door (D) being movable on the track sections (17-19), an exterior post (31) positioned forward of the door (D) and an interior post (32) positioned rearward of the door (D). The exterior and interior posts (31, 32) are adapted to oppose deflection of the door (D) during high wind conditions.

The invention discloses a device and a method for preparing a biological gas and a liquid organic fertilizer from fruit and vegetable wastes of a collecting and distributing center. The method comprises the following steps: squeezing and crushing the fruit and vegetable wastes collected by a collecting and distributing center to obtain a crushed solid raw material and a liquid, and directly feeding the liquid into an anaerobic fermentation reactor for fermentation; feeding the crushed solid raw material into a rotatable hollowed-out cylindrical hydrolyzing device arranged in a hydrolyzing and desilting basin for hydrolyzing and desilting, thereby obtaining a hydrolysate; and then feeding the hydrolysate into the anaerobic fermentation reactor for fermentation to generate methane, and sterilizing the digestive fluid left after fermentation at a high temperature to obtain a liquid fertilizer. According to the method, the fermentation period is shortened, the fermentation efficiency of the raw material is improved, the problems of difficult sorting of small impurities, huge influence on the anaerobic fermentation process, difficult degradation of high-fiber content wastes and the like are overcome, the impurities are prevented from entering the anaerobic fermentation reactor, and the fruit and vegetable waste processing capability and the gas producing capability are improved; meanwhile, the high-quality liquid organic fertilizer is produced, the cost is reduced and the efficiency is improved.

A protective roof cover which protects roof tiles and shingles from being torn from a roof during severe weather, such as a hurricane. The roof cover is aesthetically pleasing, durable, waterproof, and within code guidelines. The roof cover can be a variety of colors. The roof cover may be composed of a plurality of sheets of high strength material, wherein one sheet of high strength material is of sufficient length to cover a section said roof, at least one roll bar secured to a building below an overhang and attachable to the high strength material, and at least one wall channel secured to a building below an overhang for receiving the high strength material. Optionally, the roof cover can be a unitary sheet of durable, water proof material. The protective roof cover protects the roof against wind, rain and wind borne debris and other elements associated with storms.

Provided is a wind turbine blade for a wind turbine, the wind turbine blade including a support element having first fibers being electrically conductive, and a fiber material having second fibers being electrically conductive, wherein the fiber material has a free portion and an overlapping portion which is at least partially attached and electrically connected to the support element, wherein an extension direction of the second fibers changes along an extension path of the second fibers, wherein a first angle is provided between the second fibers in the overlapping portion and the first fibers, wherein a second angle is provided between the second fibers in the free portion and the first fibers, and wherein the second angle is larger than the first angle.

A wind screen insert for framing members of screened enclosures such as pool cages and the like, the wind screen being adapted to pivot about a vertical or horizontal framing member to which it is hingedly attached. The wind screens which may be of various dimension are mounted within an opening defined by conventional posts / columns, purlins, beams, base and eve rails using at least one double acting spring hinge. The hinge allows the wind screen to pivot up to 90 degrees in either direction relative to its closed or “resting” position when a predetermined amount of force is applied to the wind screen. The hinge also automatically returns the wind screen to its original closed position when the force is diminished below the predetermined amount. The spring tension within the hinges is adjustable to permit screen movement at a desired amount of force applied to the wind screen which will be a function of the screen's surface area and wind speed. The predetermined amount of force needed to open the screen will be less than that which would otherwise cause damage to the screens or surrounding framing. A flange of rubber or other suitable material is disposed around the perimeter of the wind screen framing to create a seal with neighboring framing members and serves as a barrier to insects and flying debris.

The invention discloses a propagation method of grating plum blossom using a trigonal scion. The method comprises the steps that (1), a scion and a stock are selected; (2), a trigonal oblique surfaceis cut at the grafting position of the scion; (3), an interface of a trigonal groove is cut at the grafting position of the stock, wherein the shape and size of the interface correspond to the trigonal oblique surface; (4), the scion faces a cutting surface of the stock, a cambium is aligned and inserted into the interface, and the cambium is fastened by using a tie rope; (5), grating is conducted10 days before the germination of the stock in spring at the temperature of 15 DEG C-22 DEG C during the day or at night. According to the method, a trigonal scion is used for grafting, a trigonal groove and a trigonal interface are used by the stock, which has the advantages that (1) the grafting position can easily obtain a long grafting surface; (2), the healing point after grafting is conducted is firmly combined, the growth after grating is more rapid, the fracturing and damaging caused by wind disaster can be effectively prevented, and high grafting survival rate and successful graftingare ensured.

An electromagnetic actuation device with an actuation element, which can be adjusted relative to a stator on the basis of a magnetic actuation force which can be generated by the stator, wherein the stator has a coil winding, the winding wire of which is guided to a contact element bent at a bending region and is fixedly and electrically conductively connected to the same, wherein the contact element (5) has a depression geometry (9) in a bending region (7), which shortens a bending path of the winding wire (4) and through which the winding wire (4) passes.

The invention relates to a radiation dose detection device and method for a blood irradiator, and belongs to the technical field of medical instrument detection. The radiation dose detection device comprises a movable probe and a probe mounting bracket; the probe mounting bracket comprises a first connecting rod mechanism and a probe mounting support; and the first connecting rod mechanism comprises a fixing support, a transverse connecting frame rod forming a driving crank, and a second connecting rod mechanism used for preventing a probe wire from generating destructive winding. One end of the second connecting rod mechanism is hinged to the transverse side link through a first hinge shaft, and the other end of the second connecting rod mechanism is connected with the fixing support through a lower pair. The first hinge shaft is provided with a through hole for the probe wire to pass through. The distance between the first hinge shaft and the rotating central axis is adjustable; andthe probe mounting support is mounted on a connecting component of the second connecting mechanism. The device can simplify the radiation dose detection method and reduce the cost, and can be widely applied to the manufacturing and maintenance process of the blood irradiator.

The current invention provides apparatuses and methods for protecting buildings / structures from wind damage and simultaneously harvesting energy from wind. The apparatuses of the current invention comprise horizontal axial wind turbines integrated to the roof-edge of the buildings / structures in an aerodynamically conducive and structurally viable configuration to reduce roof suction. The apparatuses of the current invention can further comprise aerodynamic roof gutter and structural supports / connections to alleviate wind-induced suction (negative pressures) on building roofs generated by separated flows and vortices. The apparatuses of the current invention can also comprise vertical axial wind turbines integrated to the wall-edge of the structures / buildings in an aerodynamically conducive and structurally viable configuration to reduce wind induced wall suction generated by separated flows and vortices.

The invention discloses an angle-adjustable monitoring device special for traffic. The angle-adjustable monitoring device comprises a first transmission box. The front end and the rear end of the leftside of the first transmission box communicate with a connecting box. A monitoring device body located on the inner side of the connecting box is arranged on the left side of the first transmission box. The front surface and the back surface of the monitoring device body are fixedly connected with a connecting rod. The end, away from the monitoring device body, of the connecting rod penetrates into the connecting box, and is movably connected with the inner wall of the connecting box by a bearing. A second transmission mechanism drives a fixing rod to rotate, the fixing rod drives the monitoring device body to rotate at a certain degree by the first transmission box and the connecting box to achieve an appropriate angle and then stop a second motor, and therefore the advantage of transversely adjusting the angle of the monitoring device is achieved. The angle-adjustable monitoring device solves the problems of an existing monitoring device for traffic that the angle can only be vertically adjusted and cannot be transversely adjusted, and the monitoring range is small.

The invention discloses an intelligent wind-resistant solar battery cell mounting rack. The intelligent wind-resistant solar battery cell mounting rack comprises a substrate, a mounting rack, a wind shield and a wind measurement block; a support column is fixed on the substrate, and the mounting rack is fixed at one end, far from the substrate, of the support column; the block measurement block isarranged on one side, far from the support column, of the wind shield; the wind measurement block is fixed on the substrate; an insertion slot is formed in the wind measurement block; a rotating shaft is movably inserted in the insertion slot; a fan blade is fixed at one end, far from the insertion slot, of the rotating shaft; a movable magnet is fixed on the rotating shaft; a revolving speed sensor is arranged on one side of the movable magnet; and the revolving speed sensor and an electric push rod are respectively and electrically connected on a singlechip. By measuring the wind power, thewind shield intelligently protects a solar battery cell, and the mounting rack remains stationary, so that the solar battery cell does not rotate the direction along with the wind power, the photoelectric conversion efficiency of the solar battery cell is also not affected, and huge economic loss is avoided.

The invention discloses a trellis type grape cultivation method, which is realized by leading and binding wires parallelly arranged between vertical posts in a grapery. Each grape tree grows a main vine which is led and bound to a first leading and binding wire; and young sprouts of the main vine are led and bound to at least two leading and binding wires above the first leading and binding wire.The cultivation method of the invention has the advantages of convenient management, reasonable space utilization, concreteness, effectiveness and convenient promotion and application.

The invention discloses a sun-tracking rotating device for solar power generation. The sun-tracking rotating device comprises a base, an electric-hydraulic push rod and a fixing base; the electric-hydraulic push rod is arranged on the upper side of the base; the model of the electric-hydraulic push rod is DYTZ. According to the sun-tracking rotating device for solar power generation of the invention, a signal transceiver, an electronic compass, a controller and an angle rotating motor are adopted, so that the solar radiation sensor of the device breaks down, signal transmission is carried outthrough the signal transceiver and a far-end monitoring end, so that the angle information of sun operation is obtained, and therefore, the sun-tracking device is adjusted through the angle rotating motor and the electronic compass, so that the power generation efficiency of a solar panel is guaranteed; the electric-hydraulic push rod is adopted, so that the height of the device can be automatically adjusted, and therefore, the solar panel is lowered under the condition of large wind power, and damage caused by the wind power is avoided.

The invention discloses an angle-adjustable monitoring device special for traffic. The angle-adjustable monitoring device comprises a first transmission box. The front end and the rear end of the leftside of the first transmission box communicate with a connecting box. A monitoring device body located on the inner side of the connecting box is arranged on the left side of the first transmission box. The front surface and the back surface of the monitoring device body are fixedly connected with a connecting rod. The end, away from the monitoring device body, of the connecting rod penetrates into the connecting box, and is movably connected with the inner wall of the connecting box by a bearing. A second transmission mechanism drives a fixing rod to rotate, the fixing rod drives the monitoring device body to rotate at a certain degree by the first transmission box and the connecting box to achieve an appropriate angle and then stop a second motor, and therefore the advantage of transversely adjusting the angle of the monitoring device is achieved. The angle-adjustable monitoring device solves the problems of an existing monitoring device for traffic that the angle can only be vertically adjusted and cannot be transversely adjusted, and the monitoring range is small.

A manufacturing method of a climbing plant fixer comprises the steps that a die is used for performing injection molding or extrusion molding and punching to obtain the climbing plant fixer shaped like a Chinese character 'ge', the upper surface of a pressing board is provided with longitudinal grid lines dividing the pressing board into a plurality of areas, the lower side of the pressing board is provided with semicircular pressing grooves, the lower portion of the pressing board forms an inclined space between the front side and the rear side of a pressing column, semicircular pressing grooves are formed in the left side and the right side of the pressing column respectively, and a cone is formed at the lower end of the pressing column. When the climbing plant fixer is used, the pressing column is inserted into soil, two longitudinal branches and two transverse branches of vines are arranged in the bevel space below the pressing board and the semicircular pressing grooves in the lower side of the pressing board, the vines are shaped like a Chinese character 'jing' below the pressing board, and plant growth information is filled in the divided areas on the upper surface of the pressing board through an oily pen.

The invention discloses a floor heating structure with a graphene gypsum-based self-leveling and leveling backfill layer. The structure comprises floors, a bottom structure layer, the graphene gypsum-based self-leveling and leveling backfill layer and floor heating pipelines, wherein the floors are arranged above the bottom structure layer at intervals, the graphene gypsum-based self-leveling and leveling backfill layer is arranged between the floors and the bottom structure layer, and a plurality of floor heating pipelines are embedded in the graphene gypsum-based self-leveling and leveling backfill layer. The structure has the technical effect of being convenient to use, easy to operate, high in waterproof performance, and capable of guaranteeing heating uniformity, the temperature can be controlled in real time and is convenient to adjust according to the temperature requirement, the indoor temperature can reach a constant-temperature state, the heat conduction effect is better by applying grapheme to floor heating, the structure is resistant to cracking, capable of achieving heat preservation and heating within one hour, and rapid in heating; and the wire twist damage phenomenon is avoided, the wire safety is ensured, the wire arrangement is facilitated, the wire orderliness is ensured, and the maintenance work by workers is facilitated.

The invention relates to the technical field of mobile communication optical cable processing, and discloses an internal optical cable winding device capable of avoiding cable winding damage for intelligent manufacturing, which comprises a rotating shaft, a turntable is fixedly mounted on the outer side of the rotating shaft, a fixed disc is fixedly mounted on the outer side of the turntable, anda clamping mechanism is fixedly mounted on the front surface of the fixed disc. According to the invention, rotation can be carried out while clamping is carried out, optical cable damage caused by fixing of an optical cable in the winding process is avoided, and meanwhile damage to an optical cable insulating layer by a clamping mechanism due to the fact that a traditional fixing mode is adoptedbetween the clamping mechanism and the optical cable is avoided; fixation is quite convenient, cooperative use between the threaded nuts is reduced, the clamping time of the optical cable is reduced,the working efficiency is improved to a certain extent, optical cables of different sizes can be clamped at the same time, and the device is safer and more practical compared with existing equipment.

The invention discloses an actinidia cultivation method capable of adjusting illumination, and belongs to the technical field of actinidia cultivation. According to the method, in the actinidia cultivation process, a top pillar is arranged in each row of actinidia, and lower-layer iron wires are pulled and arranged under a greenhouse frame in the row direction; the lower-layer iron wires are tiedto the top pillars to attract 2 principal branches of actinidia, and the planar greenhouse frame is adopted for cultivation; a steel-frame greenhouse is arranged on the planar greenhouse frame, steelpipes are arranged on the top pillars, and semicircular steel frames are arranged on the steel pipes, and parallelly installed in the row direction; the tops of the semicircular steel frames are connected through connecting steel pipes; a sunshade net is arranged on the steel-frame greenhouse and fixed to the interiors of film pressing grooves in the top of the steel-frame greenhouse, and sunshadenets at the two sides of the steel-frame greenhouse are collected and retracted up and down through a film reeler to adjust illumination. The method is suitable for cultivating actinidia in regions which have high temperature and strong light in summer, the illumination intensity is adjusted by adjusting the coverage of the sunshade nets, so that the photosynthetic efficiency is improved, the harm of thermal burns of the strong light to actinidia is effectively avoided, and normal growth and development of actinidia in summer are ensured.

Provided is a wind turbine blade for a wind turbine, the wind turbine blade including a support element having first fibers being electrically conductive, and a fiber material having second fibers being electrically conductive, wherein the fiber material has a free portion and an overlapping portion which is at least partially attached and electrically connected to the support element, wherein an extension direction of the second fibers changes along an extension path of the second fibers, wherein a first angle is provided between the second fibers in the overlapping portion and the first fibers, wherein a second angle is provided between the second fibers in the free portion and the first fibers, and wherein the second angle is larger than the first angle.

The invention belongs to the technical field of graphene application, and particularly relates to graphene modified self-leveling concrete and application thereof. The graphene modified self-leveling concrete is characterized by comprising a plurality of waterproof packaging sleeve bodies, a plurality of packaging bags are arranged in each packaging sleeve body, a graphene electrothermal film and copper foil are installed in each packaging bag, the two ends of a circuit of each graphene electrothermal film are electrically connected with the copper foils on the two sides correspondingly, copper foil leads in the plurality of packaging bags are connected with power supply lines in parallel, a controller is installed at the top of each graphene electrothermal film through a wiring end, a power connection assembly is connected to the top of each controller in an inserted mode, a power line is installed in each power connection assembly, a plug is fixedly installed at the top end of each power line, and a connector is fixedly installed at the bottom of each power line. The graphene modified self-leveling concrete and the application thereof are high in water resistance, ensures heating uniformity, can control the temperature in real time, are convenient for wire arrangement, and are convenient for workers to carry out maintenance work.

An electromagnetic actuation device with an actuation element, which can be adjusted relative to a stator on the basis of a magnetic actuation force which can be generated by the stator, wherein the stator has a coil winding, the winding wire of which is guided to a contact element bent at a bending region and is fixedly and electrically conductively connected to the same, wherein the contact element (5) has a depression geometry (9) in a bending region (7), which shortens a bending path of the winding wire (4) and through which the winding wire (4) passes.

The invention discloses a method for cultivating millets in light saline-alkali cultivated land and relates to a method for cultivating the millets. The method solves the problems of low yield and poor benefit of the conventional method for cultivating the millets in the saline-alkali land. The method comprises the following steps of: 1, performing stubble cleaning, autumn ploughing, autumn rigding and organic fertilizer application on the light saline-alkali land sequentially; 2, performing seeding in a mode of ditching on the ridge with water technology and wide lines; and 3, after the seedlings of the millets come up out of the ground, shoveling the land and intertilling, shoveling the land and shallow-ploughing and performing final singling of the seedlings sequentially; shoveling theland and performing deep-ploughing and folding after the completion of tillering of millets; during the jointing period of the millets, performing top application and cultivating the soil by fording deeply; during the grouting period of the millets, irrigating for one time; and harvesting the millets after the millets are ripe. The average yield per hectare of the millets cultivated in the saline-alkali land by the technical scheme reaches 4,500 kg; and compared with those of the conventional production land, the yield is increased by 47.7 to 51.0 percent and the income is increased by 5,820 to 6,220 yuan. The method can be used for cultivating the millets in the light saline-alkali cultivated land.