711results about How to "Reduce angle" patented technology

The invention provides a photoelectric sensor and a manufacturing method thereof. The photoelectric sensor comprises a pixel unit arranged on the substrate; and the pixel unit includes a photodiode and a thin-film transistor. A drain structure of the thin-film transistor servers as a cathode structure of the photodiode, so that the area occupied by the pixel can be reduced and the resolution ratio of the photoelectric sensor can be improved. Moreover, the anode structure and the cathode structure of the photodiode are arranged in a transverse mode, so that the thickness of the photoelectric sensor can be effectively reduced and thus the photoelectric sensor has advantages of small size and high resolution ration. Besides, the manufacturing method of the photoelectric sensor can be combined with the traditional LCD manufacturing method, thereby simplifying the production process of the photoelectric sensor, reducing the production cycle, and effectively reducing the production cost.

A hoisting device and method for hoisting material up an extension ladder. The device includes a load-carrying carriage having a wheel and roller axle assembly that also serves as rollers for engagement with the rails of the ladder. The wheel and roller axle assembly allows the cart to transition from the ladder rails to the roof surface. Also provided is a dual braking means that serves to prevent the carriage from rolling back down the ladder or off of the roof in cases of cable malfunction. The method employs a hoisting mechanism having a removable winch used in conjunction with a releasable coupled pull cable that is brought to the roof surface on the carriage, detached from the carriage, mounted on the roof and used to return the carriage to and from the roof during hoisting operations. An infinitely adjustable ladder support is provided to support the ladder during a hoist.

An adjustable scissors-action exerciser includes two motion arms pivotable relatively to each other and adjustably set in one of multiple operation angles. When the operation angle between the two motion arms grows beyond a predetermined angle, a locking mechanism is unlocked to allow the user to adjust the operation angle of the scissors-action exerciser. When the operation angle between the two motion arms is reduced within a predetermined angle, the locking mechanism is locked.

The invention provides a quantitative determination method for the dynamic stability of a multi-legged robot based on a leg force estimation algorithm, which is applicable to real-time detection for the stability of the robot when walking in an unstructured environment. The quantitative determination method is characterized in that motion states of joints and the robot body are acquired by a sensor, and variable values required by calculating the stability margin is solved through obverse and inverse kinematics; then the leg force of each supporting leg is estimated through the leg force estimation algorithm, and a supporting shaft and a landing point at which rollover occurs most easily are acquired according to the leg forces; a resultant force which is effective to rollover of the supporting shaft and the landing point is calculated according to a resultant force of the leg forces at the mass center and the moment of the resultant force, thus stability angles of the supporting shaft and the landing point can be acquired according to a formula, and a minimum stability angle is selected so as to calculate to acquire a normalized force angle stability margin value of the robot according to a formula. The advantages lie in that the method provided by the invention directly judges the stability margin for the supporting shaft and the landing point; stability variations brought about by the height of the mass center can be represented; and a vulnerable multi-dimensional force sensor is not required to be adopted to measure the leg force.

The invention discloses a floating fan base with flare type tension legs, a marine wind-driven generator and a construction method. The floating fan base comprises a top supporting platform, a bottom supporting structure, at least three hollow stand columns and a ballast regulating system, wherein the top supporting platform is used for supporting a pylon, blades and a wind-driven generator set; the bottom supporting structure is connected with multiple tension legs; the top supporting platform is connected with the bottom supporting structure via the hollow stand columns, the hollow stand columns are arranged around the vertical center line of the floating fan base, and each stand column inclines outwards from a lower end to an upper end relative to the vertical center line of the floating fan base; the ballast regulating system is arranged in the stand columns and / or the bottom supporting structure. The marine wind-driven generator of the base with the structure has excellent movement performance, integral wet towing can be performed, and the floating fan base and the marine wind-driven generator are convenient to manufacture, assemble and mount.

The invention discloses a medical oxygen bottle carrying vehicle. The medical oxygen bottle carrying vehicle includes a carrying vehicle body; a supporting plate is arranged on a bottom end of the carrying vehicle body; the carrying plate is hinged to a lower end of the carrying vehicle body; a limiting device is arranged between the supporting plate and the carrying vehicle body; when the supporting plate rotates, an included angle between a plane where the supporting plate is located and the length direction of the carrying vehicle body is not greater than 90 degrees; the carrying vehicle also includes a pushing device, and a connection device for connecting the supporting plate and the pushing device; when the plane where the supporting plate is located is perpendicular to the length direction of the carrying vehicle body, a convex side of the pushing plate is pressed against an inner side of the carrying vehicle body, a pushing rod is embedded in the carrying vehicle body; and whenthe supporting plate rotates toward the carrying vehicle body, the pushing rod pushes the pushing plate to rotate away from the carrying vehicle body. The medical oxygen bottle carrying vehicle can be operated by a single man while carrying oxygen bottles; the carrying vehicle body is equivalent to a lever, the oxygen bottles can be pushed obliquely, and then labor resources can be saved.

A high voltage hollow composite insulator of diameter variable type is prepared as sticking end connection pieces firmly at two ends of winding tube, setting a unified structure of umbrella body at external of winding tube, setting said winding tube to be tube body in variable diameter, using high temperature silicon sulfide rubber to form a unified structure of umbrella body by injection forming process.

The present invention provides one kind of internal thread heat-transferring pipe for use in the condenser and evaporator of refrigerating equipment and air conditioning equipment with single or mixed refrigerant. In the inner surface of the heat-transferring pipe, there are homogeneously arranged main screw teeth in different height and the relatively higher main screw teeth have miniature protuberance formed in the top. The alternate arrangement of the main screw teeth in different height can reinforce the disturbance to boiling and condensing heat exchange, reduce the heat boundary layer, reduce the angle between the speed vector and the temperature gradient vector, coordinate the speed field and temperature field, strengthen the boiling and condensing heat exchange and raise heat transferring efficiency.

A MacPherson air suspension comprises a cross stabilizer bar, two strut assemblies arranged on the left side and the right side of the cross stabilizer bar, a left steering knuckle, a right steering knuckle, a left lower suspension arm, a right lower suspension arm and a left-right stabilizer bar connection push rod connecting the cross stabilizer bar and the strut assemblies. Each strut assembly comprises a front shock absorber and an air spring assembly integrated on the front shock absorber, and the front shock absorber is fastened with the lower support of the front shock absorber through bolts. The upper ends of the left steering knuckle and right steering knuckle are respectively connected with the upper portion of the lower support of the front shock absorber through ball pin fittings, the lower portions of the left steering knuckle and right steering knuckle are connected with shaft sleeve connection plates of the steering knuckles through shaft pins and are connected with the lower portion of the lower support of the front shock absorber through the shaft sleeve connection plates, and the left steering knuckle and right steering knuckle respectively form an integrated frame structure with the lower support of the front shock absorber. The central connection line of the ball joints of the ball pin fittings and the shaft sleeves of the shaft sleeve connection plates of the steering knuckles is a main pin axis a. The MacPherson air suspension can meet the requirements of an automobile under various loading conditions, and ideal comfortable ride comfort can be obtained.

The invention discloses an unmanned plane lens, and the lens sequentially comprises a front lens group, an aperture diaphragm and a rear lens group from the object space to the image space. The aperture diaphragm is located at the central part of the lens. The front lens group comprises a first lens with the negative focal length, a second lens with the negative focal length and a third lens with the positive focal length, wherein the first, second and third lenses are sequentially arranged from the object space to the image space. One surface, facing the object space, of each of the first, second and third lenses in the front lens group is a convex surface, and the surfaces, facing the image space, of the first and second lenses are concave surfaces. One surface, facing the image space, of the third lens is a convex surface. The rear lens group comprises a fourth lens with the positive focal length, a fifth lens with the negative focal length and a sixth lens with the positive focal length, wherein the fourth lens, the fifth lens and the sixth lens are sequentially arranged from the object space to the image space. One surface, facing the image space, of each lens of the rear lens group is a convex lens. The surfaces, facing the object space, of the fourth and sixth lenses are convex surfaces, and one surface, facing the object space, of the fifth lens is a concave surface. The lens provided by the invention is low in distortion, is big in view angle, is high in resolution, and is strong in capability of resisting the environment temperature changes.

The embodiment of the invention provides a display panel and a manufacturing method thereof, and a display device. The display panel comprises a substrate, a light-emitting device layer and a light adjusting structure layer, wherein the light-emitting device layer is located on the substrate, and comprises a plurality of light-emitting devices, the light adjusting structure layer is located on theside, away from the substrate, of the light-emitting device layer, and comprises a plurality of light adjusting units and a dielectric layer covering the plurality of light adjusting units, the refractive index of the light adjusting units is smaller than that of the dielectric layer, each light adjusting unit comprises a light adjusting sub-part, each light adjusting unit comprises a through hole, the through holes penetrate through the light adjusting units in the direction perpendicular to the substrate, the through holes are overlapped with the light emitting device, and the light adjusting sub-parts are arranged around the through holes. For one light adjusting unit, the thickness of the light adjusting part is gradually increased in the direction from the through hole to the light adjusting sub-part. The probability that light rays are totally reflected in the display panel and limited in the display panel can be reduced, and the light emitting efficiency of the light emitting device is improved.

The invention provides a wide-angle distortion-removing dual-band confocal optical lens which comprises a front group, a diaphragm, a back group and an optical filter. The wide-angle distortion-removing dual-band confocal optical lens is characterized in that the front group is a Galileo optical system and comprises a first negative lens, a second negative lens, a third negative lens, a first positive lens and a second positive lens in sequence from a near object side, the back group has positive focal power and comprises a third positive lens, a fourth negative lens, a fourth positive lens, a fifth positive lens and a sixth positive lens in sequence from the near object side, the third positive lens, the fourth negative lens and the fourth positive lens are tightly connected into a tight-connecting group, and the lenses are all glass lenses. According to the wide-angle lens, ten lenses are used, elements are arranged reasonably, the structure is simple, production difficulty and cost are lowered, the requirement that a view field angle reaches 126 degrees, and distortion is smaller than 5% is met, imaging quality is high, wave bands are visible bands and near-infrared bands, and the optical lens can be used for a monitoring camera for day and night.

The invention discloses a photovoltaic power generation apparatus. The photovoltaic power generation apparatus comprises a base, a first fixed block and a second fixed block, a pair of guide rods and a sliding plate, wherein the lower part of the first fixed block is hinged with the base; a sleeve is fixed at the lower part of the second fixed block; a nut is coaxially fixed in the sleeve; a rotary screw rod is perpendicularly arranged on the base; the screw rod extends into the sleeve and is meshed with the nut; the screw rod rotates under the drive of a motor; the two ends of the pair of the guide rods are connected with the first fixed block and the second fixed block respectively; a sliding groove matched with each guide rod is formed in each of the left and right sides of the sliding plate separately; multiple rectangular mounting openings are formed in the sliding plate in an up-and-down penetration manner; a rectangular plate having the same dimension and shape as the rectangular mounting opening is hinged with the lower edge of each rectangular mounting opening separately; a supporting plate is fixed on the lower edge of each rectangular mounting opening; the lower surface of the rectangular plate and the upper surface of the supporting plate are fixed with the two ends of a telescopic rod; and a solar cell panel is paved on the upper surface of the rectangular plate. The photovoltaic power generation apparatus has excellent windproof and wind-resistant performance.

The present invention provides a large-tonnage forklift truck, that is, the functions of the loader and the large-tonnage forklift are combined into one, and the boom of the original loader is shortened, thereby changing the fulcrum of the lifting cylinder on the boom, so that The active force arm on the swing arm becomes longer and the transmission force arm becomes shorter; and the rotating shaft set on the rocker arm is moved down to make the active force arm on the rocker arm longer and the transmission force arm shorter; lower the lifting cylinder in The connection point on the front frame makes the angle between it and the front frame smaller and has stronger thrust; and the diameter of the lifting cylinder is increased to increase the oil pressure of the lifting cylinder to increase the weight of the fork. The present invention combines the operating functions of large-tonnage forklifts and loaders, through the comprehensive integration of machinery, electrical appliances, and hydraulic pressure, and at the same time has the advantages of flexibility and off-road performance of loaders, and the advantages of large loading capacity of large-tonnage forklifts, and reduces fuel consumption. Relatively small, it can load and unload 25 tons of stone blocks, and can lift the goods to a height of more than 3200mm.

The invention relates to a vertical take-off and landing miniature air vehicle with a variable X-type wing. The vertical take-off and landing miniature air vehicle comprises a fuselage, a wing, a motor, an airscrew and a take-off and landing device, wherein the wing is bilaterally symmetrical about a body shafting XOZ plane and divided into an upper part and a lower part; the upper wing turns upwards, and the lower wing turns downwards, and the upper wing and the lower wing are respectively mounted on the fuselage; the upper wing and the lower wing on the same side of the air vehicle are distributed in an actual angle; each of the upper wing and the lower wing has a trapezoidal proportion and a sweep back angle; the wing adopts a negative bending wing profile, the front part of the wing has positive camber, and the rear part of the wing has negative camber; an angle of attack corresponding to zero pitching moment is a positive value. The vertical take-off and landing miniature air vehicle can stably realize vertical take-off and landing, level flight, hovering and switching of level flight and hovering, has the characteristics of simple power device, full energy utilization, high aerodynamic efficiency and good controllabitity under each flight condition and large speed coverage, and is suitable for being used as an air vehicle platform of a miniature unmanned aerial vehicle system.

The invention relates to an economical high resolution day and night fixed focus lens. A front group with a negative focal power and a back group with a positive focal power are orderly arranged along a light incident direction. The front group is orderly provided with a positive crescent lens A-1 and a negative crescent lens A-2. The focal length fA of the front group is -21.996mm. The back group B is orderly provided with a gluing group with the closed connection of a biconcave lens B-1 and a biconvex lens B-2 and a biconvex lens B-3, and the focal length fB of the back group is 6.792mm. According to the lens, the total number of lends is reduced in the condition of ensuing performance, besides the high resolution, large relative aperture, day and night confocal performance, low distortion and short shooting distance of an 8mm fixed focal lens, the economical high resolution day and night fixed focus lens is more economical and is generally used in a dark or no-light place with the requirement of high definition picture quality such as a road, a warehouse, an underground parking place, a bar, a pipe, a corridor and a park, and the economical high resolution day and night fixed focus lens is a mainstream product of a micro monitoring camera system.

The invention relates to an LED lighting component. The LED lighting component comprises a printed circuit board (3) and a heat radiator (2), wherein the printed circuit board (3) is provided with an LED chip (4), the heat radiator (2) is connected with the printed circuit board (3) in a heat conduction manner. The LED lighting component further comprises a light guider designed into a foam shell (5). The light guider is provided with an inner surface (6), an outer surface (7) and an end face (8), wherein the outer surface (7) is used as a light emitting side, and the end face (8) is used as a light input coupling side of light from the LED chip (4), the inner surface (6) is structurized to form a reflection side (10) so that at least a part of light from the end face (8) is partially reflected and then emitted from the outer surface (7). Further, the invention relates to a modified LED lamp with the LED lighting component.

An adjustable scissors-action exerciser includes two motion arms pivotable relatively to each other and adjustably set in one of multiple operation angles. When the operation angle between the two motion arms grows beyond a predetermined angle, a locking mechanism is unlocked to allow the user to adjust the operation angle of the scissors-action exerciser. When the operation angle between the two motion arms is reduced within a predetermined angle, the locking mechanism is locked.

The invention provides an organic light emitting diode OLED display panel, a manufacturing method thereof and a display. The temperature difference between heated glass cement of a dug area and heated glass cement of another area is reduced, so that uniform laser sintering state is realized in the OLED display panel. The overall package performance of the glass cement is improved. The OLED display panel comprises back plate glass, cover plate glass, and glass cement located between the back plate glass and the cover plate glass and a number of metal blocks. Each metal block is covered by an inorganic protective layer. A dug area is arranged between two adjacent metal blocks. The glass cement contacts the back plate glass through the dug area. The OLED display panel is characterized in that at least one metal block and the inorganic protective layer which covers the metal block have a surface which reflects incident laser into a dug area.

The invention discloses multi-lateral root fruit tree bridging technology, which is a method for performing single-head bridging on a one-year high-quality seedling of a pyrus betulaefolia rootstock which is transplanted successfully on a plurality of sides, 50 to 70 centimeters away from the ground surface, of a fruit tree trunk when a fruit tree is in a growing season. By bridging the fruit tree by the method, the rootstock and the high-quality seedling have no impedance response basically; the root is supplied with sufficient nutrition so that the fruit tree obtains increased nutrients; therefore, harvest rate and fruit quality are improved; and the disease resistance of the fruit tree is improved and a survival period is prolonged.

The invention provides a spinning method of terylene-viscose blended yarn, which comprises the following steps: opening and cleaning cotton, combing the cotton, making ribbons, spinning coarse yarn and spinning fine yarn; while spinning the coarse yarn, feeding two pieces of coarse yarn in parallel into the same drawing mechanism of a spinning machine at 9-13 mm intervals so as to simultaneously draw the two pieces of coarse yarn in parallel. The method applies a Sirospun technology to the spinning of the terylene-viscose blended yarn. The two pieces of coarse yarn are simultaneously fed intothe spinning machine, the single yarn twist area is shorter, and the applied degree of twist is low, so that the included angle of the fiber spiral yarn and the yarn shaft in the single yarn is relatively small, and the single fiber in the single yarn can not transversely protrude out of the outer surface of the yarn due to the strong effect of the twisting force. Thus, the terylene-viscose blended yarn has the advantages of little filoplume, smooth surface, even yarn, high strength and few defects. The method enhances the quality grade of the terylene-viscose blended yarn.

The invention discloses a display panel and a display device. A display area is provided with at least one special-shaped area; sub-pixels in the special-shaped areas are in step distribution; the opening areas of sub-pixels at the edges of the step have deviation angles large than 0 degree and smaller than 180 degrees relative to the opening areas of sub-pixels at non-step positions; as for suchkind of situation, the reason is that the contour lines of the special-shaped areas in the display panel are neither parallel to the extension line of the display panel along a row direction nor parallel to the extension line of the display panel along a column direction, and but are generally curves of radians, and therefore, so that the opening areas of the sub-pixels at the edges of the step are deflected by a certain angle with respect to the opening areas of the sub-pixels located at the non-step positions, and angles between the contour lines of the opening areas of the deflected sub-pixels and the contour lines of the special-shaped areas become smaller, and therefore, the sawtooth phenomenon of the edge of a picture is weakened.

The invention provides a heating furnace of an annular component. A first guide partition plate, a second guide partition plate and a third guide partition plate are sequentially arranged inside a furnace body from top to bottom; a first airflow passage, a second airflow passage, a third airflow passage and a fourth airflow passage are sequentially formed between the top inner wall of the furnace body and the first guide partition plate, between the first guide partition plate and the second guide partition plate, between the second guide partition plate and the third guide partition plate and between the third guide partition plate and the bottom inner wall of the furnace body; airflow heating accelerators are arranged inside the second airflow passage and the fourth airflow passage; a first centrifugal impeller is arranged between the first guide partition plate and the second guide partition plate; a fifth airflow passage is formed by the upper and lower surfaces and the outer side wall of the annular component, and the top and bottom inner walls and the inner side wall of the furnace body; the first centrifugal impeller drives a gas to flow in circulating manner; the gas enters the second airflow passage from the air outlet of the first centrifugal impeller, hits against the inner side wall of the annular component after passing through the airflow heating accelerators, sequentially flows through the third airflow passage, the fourth airflow passage, the fifth airflow passage and the first airflow passage, and then enters the air inlet of the first centrifugal impeller. According to the heating furnace, the annular component can be specifically heated, and the energy consumption is relatively low.

The invention discloses a wide-angle lens. The wide-angle lens comprises a first lens, a second lens, a third lens, a fourth lens and a fifth lens sequentially from the object side to the image side. The first lens is a plastic aspherical lens with negative refraction power, the second lens is a biconvex plus lens with a plastic aspherical lens, the third lens is a glass spherical lens with positive refraction power, the fourth lens is a plastic aspherical lens with negative refraction power, the fifth lens is a plastic aspherical lens, and focal power of all the lens satisfies the condition that f5<f2<f1<f3<f4, wherein f1, f2, f3, f4 and f5 are focal power of the first, second, third, fourth and fifth lens respectively. The first lens and the second lens collect wide-angle rays by adopting a minus lens and plus lens combination mode, so that an included angle between an off-axis primary ray and an optical axis can be reduced; due to the large focal power of the third lens, thermal shift can be corrected by the aid of the glass material, focal length change generated by temperature shift can be compensated effectively, and the problem of thermal shift caused when the lens is applied to severe environments at high and low temperature and the like is solved.

The invention discloses a novel composite material drilling bit and a manufacturing method thereof. The novel composite material drilling bit comprises a cutter handle (1) and a cutting part (2). The end of the cutting part (2) is provided with a step (9). The cutting part (2) is divided into a first cutting part and a second cutting part which is connected with the cutter handle (1) through the step (9), and the diameter of the first cutting part is smaller than that of the second cutting part. First main cutting blades (8) and first auxiliary cutting blades (7) are symmetrically arranged on the first cutting part along the axis. Transverse blades (4) are arranged between the first main cutting blades (8). Second main cutting blades (6) and second auxiliary cutting blades (5) are symmetrically arranged on the second cutting part along the axis. The step (9) is connected with the first auxiliary cutting blades (7) and the second main cutting blades (6). When the drilling bit is used for machining a composite material, the service life of the drilling bit is long, and the precision and roughness of a machined hole are high.

The invention relates to a staring infrared imaging forest-fire prevention alarming system with a wide field of view. The system comprises an infrared imaging optical lens and an infrared refrigeration detector. Light rays are imaged on a focal plane array of the infrared refrigeration detector through the infrared imaging optical lens. The infrared imaging optical lens adopts a retrofocus structure. The imaging position of the infrared imaging optical lens and the spatial orientation information of an object form the object-image relationship of y'=fTheta, wherein y' is the image height of an image of the object on the focal plane array of the infrared refrigeration detector, f is the focal length of the infrared imaging optical lens, and Theta is an angle of field of view. The system adopts staring imaging, and a mechanical scanning structure is eliminated, so that the stability of the system is enhanced; and the system has the ultra-wide field of view of 180 degrees, and can realize the real-time imaging of all peripheral zones without any dead zone, so that the condition of false alarm can be effectively prevented, and a plurality of fire points can be discovered and monitoredat the same time.

The present invention relates to the connector field, especially to a vertical separation connector and a vertical separation mechanism thereof. The vertical separation connector comprises a vertical separation mechanism and a plug connected with the vertical separation mechanism, the vertical separation mechanism comprises a fixed mount, a plug hinged on the fixed mounted and configured to drive the corresponding connector and a front swing rod and a rear swing rod separated from a socket being in the front and back horizontal motion, and one end, far away from the fixed mount, of the front swing rod and one end, far away from the fixed mount, of the rear swing rod are connected with the plug to form a parallelogram mechanism. The vertical separation connector and the vertical separation mechanism thereof do not need an extra power supply when usage so as to avoid the defect of requiring a power supply in the electromagnetic-type segregation mode; the separation force is small, and the separation process does not generate extra materials; and moreover, the whole separation mechanism is small in size and simple in structure.

The invention discloses a device for improving the ranging accuracy of a binocular camera. The device comprises a base, a left rocker arm, a right rocker arm, a left lens, a right lens, a left image sensor, a right image sensor, a left phase distance adjustment device and a right phase distance adjustment device, which can adjust the distance between the lenses and the image sensors in real time according to the rotation angles of the rocker arms, a rocker arm driving device capable of simultaneously adjusting the angles of the two left and right rocker arms, and an angle sensor capable of measuring the rotation angle of the rocker arm driving device; the device can be used in the computer vision ranging or 3D modeling technology, the intersection of the optical axes of the left lens and the right lens can be adjusted to be located in the vicinity of a target object by the present device, thereby minimizing the deviation between the position of the target object in an image obtained inthe image sensor and the real position caused by system errors of a binocular camera ranging device, so that the ranging accuracy of the binocular camera is maximally improved; and meanwhile, the device can locate a clear imaging area of the camera in the vicinity of the intersection of the optical axes of the left lens and the right lens in a running process, the target object is clearly imagedin the image sensor while the ranging is performed on the target object, and the image processing requirements during binocular ranging are met.

A flexible differential / synchronous power driving system of a solar energy heliostat comprises a control system and a power driving system; two to five driving gears of two bull gear transmission systems which horizontally rotate and longitudinally rotate are uniformly arranged around a heliostat rotating gear; all the driving gears are meshed with the heliostat rotating gear; the output end of the heliostat rotating gear is connected with a heliostat base; the diving gears transmit the operational parameters of the diving gears back to a programmable controller of the control system through a torque and a rotating speed sensor; and a computer transmits a signal to the programmable controller through processing a transmitted signal of the programmable controller, so as to control the working state of a driving gear servo motor. The invention increases the driving capacity of the driving gears by adopting a proposal of the driving of a plurality of driving gears, instead of the prior proposal of the driving of one gear, and particularly ensures that the driving capacity is stable and the driving effect is enhanced under the unfavorable natural condition and during the heliostat longitudinal rotating process.

The invention discloses a production method of a high-activity medium element fertilizer. In the production method, activity of each element in a silicon calcium magnesium potassium fertilizer is activated by using a technology of quenching after mixed particles of dolomite and potassium feldspar are calcined at a high temperature; content of silicon calcium magnesium potassium and microelements in the fertilizer is increased by adding Lingshi compact grey gypsum full of regional character and humic acid; a total content of the elements of silicon calcium magnesium and potassium exceeds 60%; and the fertilizer which has the highest content of silicon calcium magnesium and potassium and the most comprehensive nutrition on the market is prepared. The f high-activity medium element fertilizer produced by the production method is a nutrition fertilizer, an adjustment fertilizer and a health-care fertilizer. Excerpt for providing the own nutrition elements of the fertilizer to plants, the fertilizer has the effects of improving soil structure, improving crop quality, promoting root-taking, promoting photosynthesis, and enhancing capacities of drought resistance, dry-hot wind resistance, cold resistance, low temperature resistance and disease and pest resistance of the crops.