35results about How to "Adjust the opening and closing" patented technology

The invention provides a branching air supply device. The branching air supply device comprises a shell, an adjusting piece, a driving device and a pre-tensioning force exerting device, wherein the shell is provided with at least one air inlet and a plurality of air outlets, the adjusting piece is provided with at least one shielding portion, at least one of the shielding portions is rotationally arranged inside the shell to be configured for shielding the air outlets in a controllable mode, and the air outlet area of each air outlet can be adjusted; the driving device is configured to be capable of driving the adjusting piece to rotate; the pre-tensioning force exerting device is installed between the adjusting piece and the shell, and the pre-tensioning force exerting device is configured to be capable of exerting pre-tensioning force opposite to the rotating direction on the adjusting piece at least when the adjusting piece rotates in one rotating direction. The branching air supply device and a refrigerator are capable of conducting reasonable allocation on cool air according to the cooling capacity requirements of different storage rooms or the cooling capacity requirements of different storage space of the same storage room, so that the freshness retaining performance and the operating efficiency of the refrigerator are improved, and the stability can be kept in the adjusting 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.

The invention relates to the technical field of automobile parts, in particular to an air outlet assembly, a handrail box and a vehicle. The air outlet assembly comprises an air door seat and an air door cover rotationally connected with the air door seat. An air inlet is formed in the air door seat, and the air door cover is provided with an air outlet. The air inlet communicates with the air outlet to form an air inlet runner, the air door cover is rotated to adjust the position of the air outlet, and opening and closing of the air inlet runner are achieved. The air outlet assembly, the handrail box and the vehicle have the beneficial effects that the size is small, the structure is simple, installation and adjustment are convenient, opening and closing and the opening and closing degreeof the air inlet runner can be adjusted conveniently according to requirements.

The invention discloses a food preservation box, and relates to the technical field of food preservation. The food preservation box comprises a box body, a sealing cover and an ice cube groove, wherein a foam thermal insulating layer is fixed to the inner side of the box body; the sealing cover is arranged above the box body; the ice cube groove is formed in the lower part of the box body; a damping layer is fixed below the ice cube groove; hollow cavities are formed in the inner side of the foam thermal insulating layer; exhaust pipes are arranged on the outer sides above the hollow cavities;and a rubber handle is fixed above the sealing cover; the sealing cover is internally provided with dustproof nets, a ventilation pipe is arranged below the dustproof nets, air flow channels are arranged below the ventilation pipe, partition plates are arranged in the box body, soft cotton pads are arranged on the lower side of the inner part of the box body, universal wheels are arranged at thebottom of the box body, and anti-collision bars are fixed to the outer side of the box body. The food preservation box has the beneficial effects that by arranging the hollow cavities, the box body isconveniently refrigerated at low temperature, and the deterioration speed of food is slowed down.

A chemical agent for preventing and eliminating the diseases and bacteria of plant and making the root of plant stronger is proportionally prepared from salicylic acid, potassium dihydrogen phosphate, copper sulfate, zinc sulfate, boric acid, manganese sulfate, phosphoric acid, VC and water through adding water into enameled reactor, heating it to 60-80 deg.C, adding said raw materials, hydrolyzing reaction, and cooling.

The invention relates to the field of mechanical arms, in particular to an adjustable mechanical grabbing device. The adjustable mechanical grabbing device comprises a base, a piston cylinder and twooppositely arranged clamping arms. The clamping arms are rotationally connected to the base through rotary shafts, and sliding grooves inclined or perpendicular to the length direction of the clampingarms are formed in the tail ends of the clamping arms. Through holes are formed in the bottom walls of the sliding grooves, and adjusting screws are in matched connection in the through holes. The piston cylinder is fixedly connected to the base, and a sliding block movably embedded into the sliding grooves is arranged on a piston rod of the piston cylinder. Under traction of the piston cylinder,the sliding block can slide in the sliding grooves back and forth, the clamping arms are made to rotate around the rotary shafts relative to the base, and the opening and closing degree of the clamping arms can be adjusted by a user by rotating the adjusting screws.

The invention provides a preparation method of glyphosate sodium and a glyphosate sodium preparation. The method comprises the following steps: alkaline materials containing sodium ion and solid glyphosate acid are put into a kneading machine to be reacted, the reaction temperature is 5 to 70 DEG C, the rotate speed of the kneading machine is 10 to 50 rpm, and the reaction time is 10 to 300 min. The invention further provides a glyphosate sodium preparation. The glyphosate sodium preparation comprises the following components in percentage by weight: 20 to 95 percent of the glyphosate sodium prepared through the method, 0 to 25 percent of a surface active agent, and 0 to 75 percent of other fills. The preparation method and the glyphosate sodium preparation have the advantages that the method is simple to operate, the reaction condition is mild, drying heat load is reduced, generated nitrosamine is reduced, antioxidants do not need to be added during the reaction process, the involvement of organic solvent is avoided at the same time, a third type of material does not need to be introduced, the pollution is low, and the cost is low.

The invention provides a caudal vein catheterization system, and belongs to the technical field of medical experiment equipment. The caudal vein catheterization system comprises an operation table, aclamping device and an angle adjusting mechanism; a groove is formed in the top of the operation table, and the clamping device is arranged in the groove and comprises a first arc-shaped claw and a second arc-shaped claw; a hinge shaft is fixedly arranged on one side of the first arc-shaped claw in the axial direction, and two ends of the hinge shaft are respectively and rotationally connected with two ends of the groove through bearings; one side of the second arc-shaped claw is hinged to the hinge shaft, and the arc surfaces of the first arc-shaped claw and the second arc-shaped claw are opposite to each other; a plurality of clamping teeth are evenly arranged on the opposite sides of the first arc-shaped claw and the second arc-shaped claw in the length direction and are used for inserting a mouse head limiting plate and a mouse tail limiting plate; one end of each of the first arc-shaped claw and the second arc-shaped claw is provided with a clamping piece for adjusting the openingdegree; and a square groove is formed in one end of the operation table, and the angle adjusting mechanism is arranged at the bottom of the square groove and is used for adjusting the clamping deviceto rotate in the groove. According to the caudal vein catheterization system, the tail of a mouse is fixed, dosing accuracy is improved, and meanwhile, the caudal vein catheterization system conformsto the animal ethics spirit.

The invention discloses a high-yield corn planting method. The method comprises the following steps of seed soaking, fertilizer application, sowing, field management, seedling selection and growth adjustment treatment, wherein in the seedling selection step, screening and seedling reserving are conducted in each hole; in the growth adjustment treatment step, growth adjustment treatment is conducted on corn plants in the later stage of the ear stage, and a fatty acid derivative and foliar potash fertilizer mixed solution is sprayed to the plants every 2-3 days. According to the method, the corn planting period becomes shorter, the yield is increased, and when the corn planting method is applied, the yield per mu can reach 900 kg; corn grains are plump and uniform; the method is simple, low in cost, easy to manage and suitable for large-area popularization.

The invention discloses a processing method for a nanometer bio-organic fertilizer. According to the processing method, fungi residues are mixed with a nanometer material containing nitrogen, phosphorand potassium, so as to acquire the nanometer bio-organic fertilizer. The prepared nanometer bio-organic fertilizer utilizes the small-size benefit of the nanometer material to endow fertilizer ionswith magnetic effect, so that the fertilizer nutrient can be more easily absorbed by the plant and the growth of the plant can be effectively stimulated; the nanometer bio-organic fertilizer only needs to be applied for one time before sowing and cultivating, the fertilizer nutrient is capable of slowly releasing in soil and the fertilizer effect is capable of lasting for months; the yield of paddy, wheat, vegetables, fruits, and the like, can be increased by 5-8%, nitrate in crops can be reduced by about 80%, use rate of nitrogen fertilizer can be increased by 15-18% and the crops can mature7-10 days in advance.

The invention discloses an adjustable hydraulic damper, comprising a piston cartridge, wherein a guide sealing cover is arranged at the top of the piston cylinder; a bottom cover is arranged at the bottom of the piston cylinder; a piston body capable of axially moving is arranged in the piston cylinder; a piston rod is fixedly connected to the piston body; the piston rod penetrates out of the guide sealing cover and is connected with an external mechanism; the piston body is provided with two damping holes which are identical in size and symmetrical in the axial direction; a fan-shaped valve capable of shielding the damping holes is arranged on one surface, facing the bottom cover, of the piston body; the fan-shaped valve is formed by two axially and symmetrically arranged fan-shaped pieces; the surface of each fan-shaped piece is provided with a wire slot used for clamping a brake cable; the side surface of each fan-shaped piece is provided with a groove; the surface of the piston body is provided with two limiting protruding blocks capable of being clamped into the grooves; and the limiting protruding blocks are arranged between the two damping holes. The adjustable hydraulic damper is compact in structure and small in occupied area, hydraulic oil circulation of the adjustable hydraulic damper can be achieved, resistance can be controlled, and the weight of a spin bike is greatly reduced.

The invention discloses a curtain control system based on solar power supply. The curtain control system comprises a controller and a curtain motor for adjusting the opening degree of a curtain. The signal output end of the controller is connected with the signal input end of the curtain motor. The system further comprises a light sensor, an infrared remote controller, an external terminal, a clock module, a display, and a solar power generation device. The light sensor is arranged indoors and is used for monitoring the illumination intensity of the indoor environment in real time. The infrared remote controller is provided with keys and achieves the input control through the keys. The signal output end of the infrared remote controller is connected with the signal input end of the controller. The external terminal is in communication connection with the controller through a wireless communication module, receives a signal of the controller and sends a control signal to the controller.The clock module is used for providing time reference and real-time time. The display is used for displaying the current light intensity and time. The solar power generation device comprises a solarcell panel used for converting solar energy into electric energy and a storage battery used for storing the electric energy. The system has multiple control modes, and can meet the use requirements ofconsumers.

The invention provides a grounding wire winder. The grounding wire winder comprises a first support bar set and a second support bar set; the first support bar set comprises a first vertical bar, a second vertical bar and a first cross bar used for connecting the first vertical bar with the second vertical bar, the second support bar set comprises a third vertical bar, a fourth vertical bar and a second cross bar used for connecting the third vertical bar with the fourth vertical bar, and the second cross bar and the first cross bar are rotatably connected; any one vertical bar of the first support bar set and any one vertical bar of the second support bar set are each provided with a cylinder body and / or a barrel body of which the opening direction is above the horizontal plane. The grounding wire winder further comprises a U-shaped positioning bar, and the two free ends of the U-shaped positioning bar are slidably matched with the cylinder body or drum body arranged on the first support bar set and the cylinder body or drum body arranged on the second support bar set respectively. The grounding wire winder can conveniently achieve unwinding of grounding wires after the grounding wires are wound and is used for solving the problem that an existing grounding wire winder is inconvenient for storing and remote carrying.

The invention discloses a thread-based under-pressure oil pipe leakage repairing device, and relates to the technical field of pressure pipeline protection devices. The thread-based under-pressure oil pipe leakage repairing device comprises a compression bolt, a lock washer, an end cover, a rotating hand wheel, a main rotating rod, a rear pressing plate bolt, a rear pressing plate, a cavity, a push sleeve, a leakage-proof partition plate sleeve, a transmission gear shaft, a push cover, a front pressing plate, a control gear shaft, a flange buckle, a rubber hole film and the like. When leakage repairing is carried out, a leakage repairing flange and the rubber hole film wrap a leakage point, the rotating hand wheel is rotated, a main transmission rod drives the push sleeve to push a leakage repairing agent in the cavity forwards, the leakage repairing agent is evenly distributed in the rubber hole film, the leakage repairing agent overflows from small holes of the rubber hole film and is in full contact with the leakage point, and then an injection needle on the rubber hole film is pulled out to complete leakage repairing; and emergency leakage repairing can be conducted on the oil pipe under the condition of medium-low pressure pipeline leakage, and the device has the characteristics of being wide in applicability, high in leakage repairing efficiency, easy to operate and the like.

The invention discloses a folding umbrella with a controllable shielding area based on pc plastic glass fiber cloth. By arranging a transmission rod, a threaded rod, a base, a first connecting ring, a second connecting ring and a clamping ring, when in used, a separation block drives the position of the base to change; when the position of the base changes, the position of the top end of a first framework synchronously deviates; under the condition that the supporting positions of a second framework and a third framework are not changed, the supporting strength of the first framework is changed; when wind power is large, the wind resistance effect is improved by enhancing the supporting strength of the first framework; and meanwhile, in the sun shading process, the compactness of the first framework is reduced by reversely rotating a threaded sleeve, so that the shielding cloth is kept in a loose state, the opening degree gets smaller, and the coverage on the head is increased. By means of the mode, the wind resistance strength for different environments can be adjusted according to use, meanwhile, the opening degree can be slightly adjusted, and the umbrella is made to be suitable for use in the different environments.

The invention discloses a production process for a desert soilization promotion material. The production process is performed through the following operation steps: 1, crushing serpentine to a size of30 to 50 mm through a cone crusher, and transporting crushed serpentine to a ball mill production area for subsequent usage; 2, selecting and purchasing lime with a CaO content of larger than 85% anda particle size of 30 to 50 mm, and transporting the lime to the ball mill production area for subsequent usage; 3, adding the crushed serpentine and the lime into a mill according to a mass percentage ratio of 70%: 30%, carrying out grinding through the mill until the fineness of a ground material is 200 meshes or more, then carrying out discharging, after completion of discharging, and carryingout magnetic separation through a magnetic separation belt conveyor with a volume of 0.2 T so as to separate most of Fe2O3, NiO, CoO, Fe3O4 and Cr2O3, with the remaining being fine powder which is applied as a desert soilization material; and 4, selecting an area for to-be-planted plants on desert soil, applying 300 to 400 kg of the fine powder per mu, then carrying out rotary tillage and sowing,and performing normal cultivation.

The invention relates to a flowback prevention and pollution intercepting device for a rainwater and sewage well. The rainwater and sewage well is relatively provided with a rainwater and sewage confluence inlet pipe, a rainwater discharge pipe and a sewage discharge pipe, wherein the sewage discharge pipe is provided with a pollution intercepting valve, the wall of the sewage discharge pipe is provided with a supporting rod, a lever is arranged at the top end of the supporting rod in a hinged manner, one end of the lever is connected with the travel end of the pollution intercepting valve, water washing plates are arranged at the other end of the lever, and a straight rod is arranged among the water washing plates in a connection manner; a downward bend is arranged at the tail end of therainwater and sewage confluence inlet pipe, the outer wall of the bend is provided with a supporting frame, the supporting frame is provided with a vertical sliding base, a connecting rod is arrangedin the vertical sliding base in a sliding manner, and the lower end of the connecting rod is fixed on the straight rod; a port of the rainwater discharge pipe is provided with a first limiting clamping groove and a hinged base, and the hinged base is provided with a pollution intercepting plate; and the pollution intercepting plate comprises a hinge joint hole, a sealing plate, a limiting bulge, afloating cylinder, a discharge window and a second limiting clamping groove. According to the flowback prevention and pollution intercepting device for the rainwater and sewage well and a working method of the flowback prevention and pollution intercepting device, the sewage is prevented from being mixed into a rainwater system, the pollution intercepting effect is good, the rainwater is prevented from flowing back and entering a sewage pipe network, and the maintenance is easy and the cost is low because of a mechanical structure.

The invention discloses calcium-magnesium biological organic fertilizer and a preparation method thereof. The calcium-magnesium biological organic fertilizer is prepared from the following raw materials in parts by weight: 50 to 800 parts of dolomite lime, 95 to 200 parts of organic components, and 4 to 6 parts of microbial functional bactericide. The preparation method comprises the following steps: step I, roasting dolomite: placing dolomite in a high-temperature roasting furnace, and roasting for 8 to 10 hours at 1100 to 1250 DEG C to obtain a roasted product for standby use; step 2, preparing calcium and magnesium biological organic fertilizer: compounding the roasted product obtained in step 1 with organic components and functional bactericide, and preparing the calcium and magnesiumbiological organic fertilizer in steps of mixing, granulating, baking and sieving; and step 3, packaging the calcium and magnesium biological organic fertilizer prepared in step 2. The calcium-magnesium fertilizer can be used as the natural calcium-magnesium fertilizer is easy to absorb by crops; the dolomite lime has the function of killing harmful microorganisms in soil to avoid or reduce the occurrence of diseases and insect pests. The calcium-magnesium biological organic fertilizer prepared in the invention can improve the soil, adjust the pH value of the soil, increase the crop yield andimprove the crop quality, and is simple in manufacturing process.

The invention belongs to the technical field of lotus root planting, and particularly relates to a planting method capable of improving oxidation resistance of lotus roots. The lotus root planting method, in which layered polyculture in a lotus root field is applied, includes: sequentially dividing the lotus root field into a lower middle layer and an upper middle layer from bottom to top, feedingloaches and young crayfishes to the lower middle layer, and feeding allogynogenetic silver crucian carps, grass carps and bighead carps to the upper middle layer, wherein silicon fertilizer is applied before polyculture in the lotus root field. The planting method has the advantages that the three-dimensional structure of a water body is reasonably utilized, breeding varieties with different layering structures are created, and reasonable conversion between materials and energy flows is completed.

The invention discloses an antenna unit and an antenna. The antenna unit comprises an annular slot antenna component and an element antenna component, wherein the annular slot antenna component is of an annular structure; a slot is arranged in the annular structure; the annular structure is provided with an outer periphery and an inner periphery which is formed by the limitation of the slot; and the element antenna component and the annular slot antenna component are coupled. According to the antenna unit disclosed by the invention, an annular antenna component, a slot antenna component and the element antenna component are integrated, and moreover, the size is small, beam control can be easily realized, and the efficiency of the antenna is improved. The focus utilization of effective energy is ensured by the antenna; the radiant efficiency of the antenna is greatly improved, and therefore, the requirements of the modern communication technology to the antenna can be met.

The invention relates to the technical field of air conditioning, in particular to an air conditioner heat storage control method. The problems that according to an existing preheating scheme, the service life of a compressor is short, and fluctuation of the temperature of a coil pipe is large are solved. In order to achieve the purpose, the air conditioner comprises a compressor, a throttling element, an outdoor heat exchanger, an outdoor draught fan, an indoor heat exchanger and an indoor draught fan, and the outdoor draught fan is an alternating-current draught fan; and the heat storage control method comprises the steps that the compressor is controlled to operate at a first heat storage frequency; when, before or after the compressor starts to operate, the outdoor draught fan is controlled to operate; in the process that the compressor operates at the first heat storage frequency, the coil pipe temperature of the indoor heat exchanger is detected; the coil pipe temperature and a first preset temperature are judged; and based on the judgment result, the opening and closing of the outdoor draught fan and / or the operation frequency of the compressor are / is selectively adjusted. According to the heat storage control method, the service life of the compressor can be prolonged, fluctuation of the temperature of the coil pipe in the air conditioner heat storage process is reduced, and the user experience is improved.

The invention provides rice dry farming lodging-resistant fertilizer. The lodging-resistant fertilizer comprises the following components in parts by weight: 10 to 350 parts of aminobutyric acid, 15 to 100 parts by weight of alginic acid, 80 to 200 parts by weight of sugar alcohol, 0.1 to 0.2 part by weight of methyl salicylate, 0.1 to 10 parts by weight of sulfadimidine, 5 to 10 parts by weight of lignosulfonate, and 0.1 to 20 parts by weight of beta-1, 3-glucan oligosaccharide, and supplementing water to 1000 parts by weight of the rice dry farming lodging-resistant fertilizer. Compared withthe prior art, the fertilizer provided by the invention acts on leaves of the dry rice, can be quickly absorbed by the dry rice, can be quickly transported in crop conduits and sieve tubes, and can be quickly transferred to specific organs required by growth and development of the dry rice, according to the invention, the requirements of rice on phosphorus and potassium nutrients can be fully met, root system pricking of dry rice can be promoted, pore opening and closing can be adjusted, transpiration can be reduced, and the strength and flexibility of rice stems, stalks and leaves can be enhanced, so that water saving can be realized, and the lodging resistance of rice can be improved.

The present invention provides a walking stick for hydraulic flushing and digging operation, which comprises a main rod, a penetrating sleeve, a handle and a foot support, one end of the main rod is detachably connected with the foot support, the other end of the main rod is arranged in the penetrating sleeve in a sleeved mode, and the length, located in the penetrating sleeve, of the main rod isadjustable; a threaded hole is formed in the outer circumferential surface of the end, close to the main rod, of the penetrating sleeve, a positioning bolt is installed in cooperation with the threaded hole and used for fixing the position, relative to the main rod, of the penetrating sleeve, and the other end of the penetrating sleeve is connected with one end of the handle in a matched mode; andthe other end of the handle is bent to form a supporting part. The walking stick can assist an operator in advancing in sludge during hydraulic flushing and digging operation, can adapt to supportingof hands, elbows and armpits at three different heights, and meanwhile is provided with the storage bag for containing the interphone, so that convenience is brought to communication with shoreside auxiliary personnel through the interphone.