18results about How to "Wide distribution" patented technology

The invention relates to bamboo fiber-based food fresh-keeping packaging paper and a preparation method thereof. The preparation method of the bamboo fiber-based food fresh-keeping packaging paper comprises the following steps: respectively grinding bleached sulfate tender moso bamboo fibers and moso bamboo root fibers, and dispersing and mixing to obtain NBF / BRF mixed pulp; then adding the modified moso bamboo cellulose nanocrystals to obtain NBF / BRF / BNC composite slurry; making paper with pulp, forming, dehydrating and drying to obtain a bamboo paper sample A, uniformly spraying bamboo vinegar on the outer surface of the bamboo paper sample A, and finally performing hot pressing and drying to obtain the bamboo fiber-based food fresh-keeping packaging paper. Bamboo fiber raw materials with different characteristics are used for preparing the packaging paper for food preservation, the bamboo fiber-based food packaging paper is endowed with excellent mechanical strength, barrier property, hydrophobic property and antibacterial and mildew-proof capabilities, and the bamboo fiber-based food packaging paper can be used in the field of packaging materials for fruit and vegetable preservation.

The invention provides a rhombic heat pipe type heat collecting pipe which is characterized in that a sealed vacuumizing space is formed among an upper cavity, a lower cavity, an ascending pipe and a descending pipe, and the lower cavity is filled with liquid; the condenser is arranged on the lower portion of the heat collecting pipe and used for concentrating sunlight to the lower portion of the lower cavity and heating liquid in the lower cavity, and the liquid evaporates along the ascending pipe after absorbing heat, enters the upper cavity and then returns to the lower cavity along the descending pipe. And at least one part of the ascending pipe, the descending pipe and the upper cavity exchanges heat with a cold source in the heat collecting pipe. The structure of the heat collector is improved, the upper cavity, the lower cavity, the ascending pipe and the descending pipe are arranged, liquid in the cavities can be rapidly evaporated, the whole ascending pipe, the whole descending pipe and the whole heat collecting pipe are filled with steam, a cold source in a base pipe is rapidly heated, and the absorption speed of solar energy is greatly increased.

The invention provides a wind turbine generator fault diagnosis system and method, and the system comprises a data generation module which is used for calculating corresponding simulation data according to the fault mechanism of equipment through employing an aerodynamic system model, a transmission system model and a variable pitch system model, learning a distribution mode reflecting fault categories through a data training generation model together with historical faults, and generating virtual fault data; and the fault diagnosis module is used for performing fault diagnosis on the input operation data of the wind turbine generator by using the trained probabilistic neural network. The method has the advantages that enough training data can be generated according to training requirements, meanwhile, the distribution range of the training data is wider than that of mechanism simulation data, the training data is closer to real operation data, and the precision of a fault diagnosis model is greatly improved; compared with a single probabilistic neural network algorithm, the fault diagnosis module has the advantages that the training process of the probabilistic neural network is optimized by utilizing the genetic algorithm, and the training speed is increased.

The invention relates to the technical field of medical equipment, in particular to a drug delivery device. The invention provides a drug delivery device. The drug delivery device comprises an outer tube, an inner tube and a balloon, wherein the inner tube and the balloon are arranged in the outer tube; a pipe cavity is formed between the outer pipe and the inner pipe; the outer tube and the inner tube penetrate through the whole balloon in the axial direction, a plurality of holes are formed in the portion, in the balloon, of the outer tube in the axial direction, a plurality of micropores are formed in the surface of the balloon, and the micropores penetrate through the wall of the balloon. The technical problem that in the prior art, the far-end liquid outlet amount is small is solved.

The invention discloses a desert greening planting structure and a planting method. The planting structure comprises a device body, a plurality of fixing rods are arranged on the inner wall of the device body, moving wheels are arranged on the outer walls of the fixing rods, a plurality of adjusting rods are arranged at the edge of the top of the device body, a top plate is arranged at the tops of the fixing ends of the adjusting rods, a servo motor is arranged in the center of the top plate, and an electric telescopic rod is fixedly installed in the center of the bottom of the top plate. By means of the device, planting pits can be rapidly excavated in the desertification area, manpower is saved, the planting efficiency is improved, meanwhile, the inner walls of the holes drilled in the desertification soil layer are rotationally supported through the broken-line-shaped friction plates and the arc-shaped plates, the phenomenon that loose sand layers in the inner walls of the holes collapse downwards in the drilling process is avoided, and the drilling efficiency is improved. The situation that the survival rate is reduced due to the fact that the burying depth of the green plant seeds is too small is prevented, the contact area of the conical drill bit and the pit hole can be enlarged through the broken-line-shaped friction plate and the arc-shaped plate, the vertical stability of drilling is enhanced, and deviation is prevented.

The invention provides a multi-dimensional force measuring platform elastomer, which comprises an inner support, a plurality of independently arranged outer supports, a circumferential connecting beam surrounding the inner support, and a radial connecting beam connected with the circumferential connecting beam and the outer supports or the inner support. The circumferential connecting beam is provided with a vertical first through hole, the radial connecting beam is provided with a vertical second through hole, and the radial connecting beam is further provided with an I-shaped beam structure or a transverse third through hole. The multiple sets of strain measuring elements are strategically arranged at different positions of the radial connecting beam, and measurement of force or torque of all dimensions can be achieved. Through innovative structural decoupling design and refined strain gauge arrangement, on the premise that rigidity is guaranteed, static force measurement precision and sensitivity are remarkably improved, theoretical decoupling is achieved, materials are reduced, and machinability is optimized.

The present invention relates to the technical field of sprayers, and in particular to a high-efficiency servo sprayer, wherein the control device comprises a left-right control component for controlling the left-right movement of the sprayer, and a swing control component for controlling the swing of an air nozzle, wherein the swing control component drives the air nozzle to reciprocate at high speed via the up-and-down movement of a telescopic component or the left-and-right swing of a swing component to achieve high-efficiency spraying; the present invention can achieve the left-and-right movement of the sprayer through the left-and-right control component, and can achieve the high-speed reciprocating swing of the air nozzle by providing a swing control component, wherein the swing angle and the swing frequency are adjustable, and the present invention can be applied to different working environments; the present invention can achieve the swing and left-and-right movement at the same time, and the interaction between the two can make the distribution range of the sprayed release agent larger and wider, which can not only shorten the time for the release agent to adhere to the mold, but also make the release agent more evenly distributed under the action of the present invention, thereby reducing the process time while ensuring the spraying effect.

The utility model relates to the technical field of medicine preparation, and discloses a cyclone separation dosing device which comprises a cyclone separator installed above a stirring pool, a discharging port of the cyclone separator is communicated with a feeding port of the stirring pool, the air inlet end of the cyclone separator is connected with a connecting pipe through a flange, and the connecting pipe is connected with an external extension hose. A second filter screen is obliquely arranged in the connecting pipe, a cleaning mechanism for washing the inner wall of the cyclone separator when the cyclone separator stops running is arranged on the outer wall of the top of the cyclone separator, and a flow guide assembly for dispersing water flow is arranged on the inner wall of the top of the cyclone separator. According to the device, dust splashing during medicine feeding is effectively avoided, the safety of medicine feeding is improved, the service life of the cyclone separator can be prolonged by arranging the cleaning mechanism, and the cleaning effect of the inner wall of the cyclone separator can be improved by arranging the flow guide assembly.

The application provides a rhombic heat pipe type heat exchange pipe, a closed vacuum space is formed between an upper cavity, a lower cavity, an evaporation pipe and a condensation pipe, and the lower cavity is filled with liquid; a condenser is arranged at the lower part of the heat exchange pipe, which is used for concentrating sunlight to the lower part of the lower cavity, and is used for heating the liquid in the lower cavity; the liquid is evaporated along the evaporation pipe after absorbing heat, enters the upper cavity, and then returns to the lower cavity along the condensation pipe; at least one part of the evaporation pipe, the condensation pipe and the upper cavity exchanges heat with a cold source in the heat exchange pipe. The structure of the heat exchanger is improved, the liquid in the cavity is quickly evaporated by arranging the upper and lower cavities and the evaporation pipe and the condensation pipe, so that the steam fills the whole evaporation pipe and the condensation pipe, fills the whole heat exchange pipe, quickly heats the cold source in the base pipe, and the heat exchange speed is greatly improved.

The utility model belongs to the technical field of plate glass processing, and particularly relates to a planeness milling and grinding tool. The device comprises an upper-layer support, a lower-layer support and a lower-layer support, the lower-layer support is arranged below the upper-layer support, and the upper-layer support is connected with the lower-layer support through a plurality of supporting columns; the plurality of micro-distance adjusting rods are arranged in the accommodating holes in a one-to-one correspondence manner, and the ends of the micro-distance adjusting rods can extend out of the top surface of the upper-layer bracket. The utility model is used for solving the technical problems in the prior art that the production efficiency is not high due to the fact that qualified plate glass needs to be milled and ground through multiple operation steps, and materials are wasted due to the fact that large machining allowance needs to be reserved on the plate glass.

The invention relates to the technical field of large wind power blade forming, in particular to a pouring forming method for a large wind power blade. The invention provides a pouring forming method for a large wind power blade. The pouring forming method for the large wind power blade comprises the steps that at least three longitudinal glue pouring pipes and at least six transverse glue pouring pipes are laid on the top face of a blade blank; the longitudinal glue pouring pipes extend in the direction from the blade root of the blade blank to the blade tip of the blade blank, and all the longitudinal glue pouring pipes are spaced in the width direction of the blade blank. The transverse glue pouring pipes extend in the width direction of the blade blank, and all the transverse glue pouring pipes are spaced in the length direction of the blade blank. Wherein all the longitudinal glue pouring pipes and all the transverse glue pouring pipes form a glue pouring pipe network, the distribution range of the glue pouring pipe network is wide, glue liquid can flow out from ports of the longitudinal glue pouring pipes and ports of the transverse glue pouring pipes, and the pouring efficiency and the infiltration effect are improved.

The utility model discloses a hydraulic oil cylinder head capable of self-lubricating in the technical field of hydraulic oil cylinder accessories, which comprises a cylinder head, two bearing bushes are connected with two sides of a connecting end at the upper end of the cylinder head in an embedded manner, a distribution groove is formed between the two bearing bushes, a flow guide pipe penetrates through the upper end of the cylinder head, the flow guide pipe is communicated with the distribution groove, and the distribution groove is communicated with the bearing bushes. And a mounting groove is formed in one side of the cylinder head. The distribution groove is formed between the two bearing bushes, the distribution groove is communicated and connected with the flow guide pipe, the distribution plate is installed in an embedded mode through the installation groove, the upper end of the distribution plate is connected with the lubricating oil tank, the piston is installed in the lubricating oil tank, and the piston is pulled through the spring on one side of the push rod to push lubricating oil in the piston to be guided into the distribution plate at the bottom and the oil injection pipe. And when the lubricating oil is lost, the lubricating oil is automatically supplemented, the lubricating oil is automatically supplemented for lubrication, and long-time self-lubrication can be realized.

The utility model relates to the technical field of rice fertilizer application, in particular to solid fertilizer application equipment which comprises a fertilizer storage part and two symmetrical fertilizer application parts, a second motor is mounted at an opening of the hopper, an output shaft of the second motor is in coaxial key connection with a rotating shaft, and the rotating shaft penetrates into the discharging pipe and protrudes to the position below the discharging pipe; the rotating shaft is coaxially in key connection with an auger, the bottom end of the rotating shaft is coaxially in key connection with a material distribution disc, and a plurality of partition plates are fixed to the top of the material distribution disc; through rotation of the double-end lead screw, the fertilization parts on the two sides move towards the two sides, the distance between the two fertilization parts is increased, during fertilization, fertilizer is fed through the hopper and falls on the distribution disc through the discharge pipe, the fertilizer can be thrown out along with rotation of the distribution disc, the thrown-out fertilizer is thrown to the periphery, and the distribution range of the fertilizer is wide; by means of the design, rice in a large range can be fertilized at the same time, and the fertilization efficiency is improved.

The invention provides a circular heat pipe horizontal shell-and-tube heat exchanger which is characterized in that a sealed vacuumizing space is formed among an upper cavity, a lower cavity, a steam pipe and a condensation pipe, and the lower cavity is filled with liquid; the fluid in the shell pass heats the heat exchange tube, evaporates along the steam tube after absorbing heat, enters the upper cavity and then returns to the lower cavity along the condensation tube; at least one of the steam pipe, the condensation pipe and the upper cavity exchanges heat with a cold source in the heat exchange pipe. Liquid in the cavity can be evaporated quickly, so that steam fills the whole steam pipe and the condensation pipe and fills the whole heat exchange pipe, the distribution range of a heat source is wide, the heat exchange area with a cold source is large, meanwhile, the cold source in the heat exchange pipe is quickly heated by the heat source and the condensation pipe at the same time during heating of an external pipe pass, and the heat exchange efficiency of the heat exchanger is greatly improved.

The utility model provides a compact efficient modularized condenser relates to condenser technical field, including condenser main part and support seat, condenser main part inside is equipped with first heat exchange solenoid, first heat exchange solenoid abuts against condenser main part inner wall, condenser main part inside central position is equipped with second heat exchange solenoid, second heat exchange solenoid abuts against condenser main part inner wall, condenser main part inside central position is equipped with second heat exchange solenoid, condenser main part inside central position is equipped with second heat exchange solenoid. A baffle plate is arranged in the condenser main body, the baffle plate penetrates through the surfaces of the first heat exchange screw pipe and the second heat exchange screw pipe, heat exchange is carried out through a threaded rotating pipeline, and compared with a traditional linear structure, the threaded pipeline distribution structure has more distribution ranges within the same length, so that the heat exchange efficiency is improved under the condition that the same heat exchange efficiency is guaranteed. The volume of the condenser main body is reduced, so that a compact condenser main body structure is realized, the cost is reduced, the distribution range in the condenser main body is wider, the contact conduction range with liquid is enlarged, the flow speed of the liquid is reduced through the baffle plates, the retention time of the liquid in the condenser main body is prolonged, and the liquid is guided.

The utility model relates to the technical field of powder processing, and particularly discloses an ultrafine powder grinding and sorting system which comprises an ultrafine grinding batching device and an ultrafine grinding and grading device which are connected in series, and the ultrafine grinding batching device comprises a pre-grinding ball mill dust remover, a slag pre-grinding ball mill and an ultrafine powder ball mill. The superfine grinding and grading device comprises a powder concentrator, a bag type collector I, a powder bin for building materials and a grading mechanism; according to the utility model, raw materials in different forms are fed into the ultrafine powder ball mill to be circularly ground, the ground powder enters the powder concentrator to be sorted, ultrafine ground powder products with different mesh numbers can be selected in a controlled manner, the ground and sorted powder is small in particle size and wide in distribution range, and the large-particle-size powder product is used as a building material; and the small-particle-size powder is fed into a vertical multi-rotor superfine classifier for classification, and is used as a reinforcing material to replace carbon black and the like in rubber industry and plastic products, so that the application industry of the fly ash is widened, and the reutilization of the fly ash is improved.

The utility model relates to the technical field of medical instruments and discloses an injection needle which comprises a needle tube, a push rod is slidably connected to the middle of the needle tube, a piston is fixedly connected to the bottom of the push rod, a needle seat is slidably connected to the bottom of the needle tube, and a needle body is fixedly connected to the middle of the bottom side of the needle seat. A plurality of side holes which are uniformly distributed are formed in the bottom of the needle head, the protection assembly comprises a protection sleeve, the protection sleeve is slidably connected to the periphery of the needle head, the top of the protection sleeve is slidably connected to the periphery of the bottom of the needle seat, the sealing assembly comprises a sealing ring, and the sealing ring is fixedly connected to the periphery of the bottom of the needle seat. A sealing groove is formed in the inner side of the top of the protective sleeve, and the sealing ring is connected into the sealing groove in an embedded mode. According to the utility model, the side holes are formed in the periphery of the bottom end of the needle head, and liquid medicine can uniformly flow out in the injection process through the uniformly distributed holes in the side surface, so that the local pressure and stimulation of the liquid medicine to tissues are reduced, and the local discomfort is reduced.

The invention discloses a gallium nitride single crystal substrate efficient grinding and polishing device, and relates to the technical field of gallium nitride, the gallium nitride single crystal substrate efficient grinding and polishing device comprises a base, a processing table is arranged at the upper end of the base, four sets of fixing columns are arranged at the upper end of the processing table, and a set of lifting rods is arranged between the side walls of every two front and back sets of fixing columns; first sliding blocks are arranged between the two ends of the two lifting rods and the inner walls of the fixing columns correspondingly, a connecting frame is arranged at the upper ends of the two lifting rods, a fixing frame is arranged at the upper ends of the four fixing columns, an air cylinder is arranged in the middle of the fixing frame, and the lower end of the air cylinder is connected with the upper end of the connecting frame. Two sets of sliding rods and a set of first lead screws are arranged between the side walls of the two sets of lifting rods. According to the efficient grinding and polishing device for the gallium nitride single crystal substrate, people do not need to manually switch grinding discs or polishing discs with different mesh numbers in the grinding process, and the grinding and polishing process is more efficient.