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99results about How to "Cheap finished product" patented technology

Automatic tennis ball picking device and control method thereof

The invention discloses an automatic tennis ball picking device and a control method of the automatic tennis ball picking device. The automatic tennis ball picking device comprises a cart body, a ball picking mechanism, a ball storage mechanism, an infrared obstacle avoiding system and a control system, wherein the ball picking mechanism is arranged at the front half portion of the cart body, the ball storage mechanism is arranged at the back of the ball picking mechanism, the control mechanism is arranged on the ball storage mechanism, the infrared obstacle avoiding system is arranged at the front end of the cart body, and the ball picking mechanism is provided with a part which can move in the vertical direction and the horizontal direction relative to the cart body. The automatic tennis ball picking device adopts the ball picking device which is driven by two stepping motors and carries out transmission through a lead screw, an infrared sensor is installed on the cart body provided with two auxiliary universal wheels, a control module adopts a single-chip microcomputer, the infrared sensor detects obstacles or tennis balls, and a driving module is triggered through the single-chip microcomputer to drive the wheels to avoid the obstacles or drive the stepping motors to carry out ball picking. The automatic tennis ball picking device and the control method of the automatic tennis ball picking device have the advantages that the structure is simple, finished products are cheap, and work is efficient.
Owner:SHANGHAI JIAO TONG UNIV SUBEI RES INST

Proxy access method and device, proxy gateway and readable storage medium

The invention discloses a proxy access method. The proxy gateway provided by the invention only has the proxy service; the identity authentication service is returned to an authentication server of the client; after judging that the access request does not contain the authentication information issued by the authentication server after passing the authentication, the access request is sent to theauthentication server; and the proxy gateway redirects the browser to the authentication server so as to complete identity authentication between the user and the authentication server, and finally judges that the access request meets the requirement of executing the proxy access operation through gradual validity verification. According to the method, decoupling of the proxy service and the identity authentication service is realized, an existing identity authentication mechanism of a client is fully utilized, the development difficulty and the later operation and maintenance cost of the proxy gateway are reduced, the finished product of the proxy gateway is reduced, and the product competitiveness and the client experience are improved. The invention also discloses a proxy access deviceapplied to the proxy gateway, the proxy gateway and a readable storage medium, which have the above beneficial effects.
Owner:SANGFOR TECH INC

Method for preparing multiple products including hemicellulose, carboxylated cellulose nanocrystals, fibrils and citrate from fibers by using citric acid

The invention discloses a method for preparing multiple products including hemicellulose, carboxylated cellulose nanocrystals, fibrils and citrate multicomponent products from fibers by using citric acid. The method comprises the following steps: with fibers as a base material, preparing hemicellulose through citric acid hydrolysis and alcohol precipitation, preparing citrate through crystallization, preparing cellulose nanocrystals through ultrasonic treatment and centrifugation, and preparing cellulose nanofibrils from solid fibers through homogenization. The method is friendly to environment, free of toxicity, low in risk, high in fiber component utilization rate, diversified in high-value products and high in yield. The prepared cellulose nanocrystals and cellulose nanofibrils have dispersion stability, excellent specific surface area and high carboxyl content, and lay a foundation for nanocellulose modification. Finally, prepared nanocellulose has no residual toxic and harmful substances, and has wide application prospects in the aspect of functional materials taking cellulose as a substrate, especially in the aspects related to health, such as biomedical materials, food, health care products, skin care cosmetics and the like.
Owner:SOUTH CHINA UNIV OF TECH

Multi-column-shaped inserting type multipurpose hanging piece

The invention discloses a multi-column-shaped inserting type multipurpose hanging piece, and relates to plate-shaped materials (marble, granite, artificial stones, porcelain plates, vitrified tiles, ceramic plates and glass) of building wall bodies and installation hanging pieces of indoor handiwork hanging pieces (mirror frames and photo frames). The multi-column-shaped inserting type multipurpose hanging piece is structurally composed of wall body hanging pieces and brick body hanging pieces. The brick body hanging pieces are installed on four corner portions of the inner side of a to-be-hanged brick body. The wall body hanging pieces are fixedly arranged on a wall body or a joist. The positions of the wall body hanging pieces correspond to the positions of the brick body hanging pieces on the to-be-hanged brick body. The brick body hanging pieces are inserted into the wall body hanging pieces, and the brick body is hanged on a wall. The multi-column-shaped inserting type multipurpose hanging piece has the advantages of being novel in structure, simple and convenient to process, low in cost, convenient to install, good in stability, easy to adjust, not prone to dropping and the like, thereby being a novel multi-column-shaped inserting type multipurpose hanging piece which integrates economy and practicability.
Owner:王建海

Thermocouple single support device suitable for refrigeration equipment performance test

ActiveCN105115611AOptimize locationImprove the problem of falling copper cylindrical thermocoupleThermometer detailsSingle supportRefrigeration
A thermocouple single support device suitable for a refrigeration equipment performance test is disclosed. A pedestal is a cross stainless steel seat. A bottom portion of the pedestal is welded with a foot a, a foot b, a foot c and a foot d respectively. The foot a, the foot b, the foot c and the foot d are circular support feet. A sleeve is welded along a vertical direction of an intermediate portion of the pedestal. The sleeve is a hollow structure. A top of the sleeve is provided with an adjusting nut a. Two horizontal extension ends of a T-shaped support are provided with a transverse adjusting slide block a and a transverse adjusting slide block b respectively. The transverse adjusting slide blocks are provided with an adjusting nut b and an adjusting nut c respectively. Bottoms of the transverse adjusting slide block a and the transverse adjusting slide block b are connected to a fixing clamp a and a fixing clamp b respectively. The fixing clamp a and the fixing clamp b clamp a thermocouple. By using the above structure, reliable fixing of a copper cylinder thermocouple position is realized; test precision is increased; a finished product of the device is low, installation is simple and time for arranging the thermocouple can be saved.
Owner:CHEARI BEIJING CERTIFICATION & TESTING

Five-axis linkage plate sprayer

The invention discloses a five-axis linkage plate sprayer. The sprayer comprises a spraying mechanism, a Y-axis guide rail, a portal frame, a Y-axis driving source, an X-axis guide rail, an X-axis sliding block, an X-axis driving source, a Z-axis guide rail, a Z-axis sliding block, a Z-axis driving source, a rotating motor and a tooth clutch, wherein the tooth clutch comprises an inner driven plate, an outer driven plate, and a pressure plate; the pressure plate is connected with the rotating output end of the rotating motor; a first bevel gear is mounted on the inner driven plate; a second bevel gear is meshed with the first bevel gear; the second bevel gear is connected with a first transmission belt pulley through a transmission shaft; the first transmission belt pulley is connected with a second transmission belt pulley on the spraying mechanism through an X-axis rotating synchronous belt; the second bevel gear is connected with the outer driven plate through a rotating frame; the pressure plate is meshed with the inner driven plate or the outer driven plate and then drives the inner driven plate or the outer driven plate to rotate. The sprayer realizes the fact that the spraying angle of the spraying mechanism is adjusted after the spraying mechanism rotates alternately on a Z-axis and an X-axis through one motor.
Owner:联德(广州)机械有限公司

Punching device for manufacturing paper products

The invention relates to a punching device for manufacturing paper products. The punching device comprises a base, a driving chamber, a bracket, a punching pin, a rack, a transmission shaft, a slide rail, an electric motor, a slide block, a connecting spring, a connecting column, a pressurizing spring, a protective jacket and an incomplete gear, wherein the bracket is arranged at the top end of the base; the slide block is connected to the front end surface of the slide rail in a sliding manner; the rack is fixedly arranged at the front end of the slide block; the connecting spring is tightlyconnected with the top end surface of the slide block; the transmission shaft is fixedly connected with the output end of the electric motor; the connecting column is fixedly arranged at the bottom end of the rack, penetrates through the driving chamber, and extends to the lower side of the driving chamber; the bottom end of the connecting column is tightly connected with the punching pin by meansof the pressuring spring; the protective jacket is fixedly arranged at the lower end of the connecting column, and is arranged on the outer side of the pressurizing spring in a sleeving manner; and the incomplete gear is mounted on the transmission shaft. Through the adoption of the design, the punching pin is driven to move up and down by using a gear and rack transmission principle so as to punch the paper products, and the punching device is excellent in structure and low in rate of finished products.
Owner:怀宁县隆昌包装有限公司

Production method of special powder puff flannelette

The invention relates to the technical field of textiles, in particular to a production method of special powder puff flannelette. Polyester filament yarns serve as raw materials and are woven by a double-rapier loom in a W-shaped consolidation manner, and a fabric is finished to obtain the special powder puff flannelette. The special powder puff flannelette has the advantages of bacteria resistance, high fluff elasticity reset capacity, good abrasion resistance, low cost and like, fluff cannot fall, and the stability of the fluff is better. According to the method, by the aid of the double-rapier loom, polyester filament yarns with denier count of 1-3 serve as raw materials to be woven and finished to obtain the flannelette, the fluff of the surfaces of the flannelette are full and vertical, the surfaces of the flannelette have natural comfort after the flannelette is finished by the method, and loose powder can be uniformly dispersed on the face of a user. A structure of a flannelette cutting knife is designed, the flannelette cutting efficiency of the production method of the special powder puff flannelette is improved, damage of the flannelette cutting knife to knitting wool can be prevented, flannelette cutting effect is better, and the method is particularly applicable to weaving of flannelettes taking the polyester filament yarns as the raw materials.
Owner:山东恒泰纺织有限公司

Industrialized production method of Proprioseiopsis asetus (Chant) by artificial substitute feed

ActiveCN108496898ARealize large-scale feedingSolve the current situation that factory production cannotFood processingAnimal husbandryAnimal scienceGram
The invention discloses an industrialized production method of Proprioseiopsis asetus (Chant) by an artificial substitute feed. The method is characterized by comprising the following steps: at the temperature of 8-38 DEG C, the Proprioseiopsis asetus (Chant) can normally survive; under the condition of 15-35 DEG C, the normal growth, development and offspring can be performed, and the egg layingamount is much higher than that of the food taking thrips, pollen, red spiders and Acaroid mites; and the service life and the egg laying period are both prolonged. The method has the advantages thatthe feed is easy to obtain, the finished product is low, the operation is simple and convenient, and after one-time proportional inoculation is performed, any raw material is not needed to be added during the feeding process, and the density of the Proprioseiopsis asetus (Chant) can reach 250-600 head / gram. The method provided by the invention can be used for successfully breeding more than several hundred millions of the Proprioseiopsis asetus (Chant), large-scale industrial production can be formed, a large amount of low natural enemies are provided for replacing pesticides and used on various crops, fruits and vegetables to prevent and treat pests and mites.
Owner:INST OF PLANT PROTECTION FAAS

Pass design method of continuous rolling machine

The invention discloses a pass design method of a continuous rolling machine. The method comprises the following steps of inputting the setting parameters of pass; determining the average extension coefficient of the top pass of each machine frame and the extension coefficient of the top pass; according to the extension coefficient of the top pass of each machine frame, determining the wall thickness of the outlet of each machine frame; selecting the size of a core rod, determining the gap of a penetrating rod, and distributing the extension coefficient of the top pass of each machine frame; according to the extension coefficient of the top pass of each machine frame, determining the wall thickness of the top pass of each machine frame; determining the height of the pass of each machine frame, calculating the radius R<1i> of the pass of each machine frame, and obtaining the eccentric distance of each machine frame; calculating the radius of disengaging arc, determining the disengaging angle alpha1 and connecting angle alpha4, and using a CAD (computer-aided design) method to determine the radius R<5> of the connecting arc. The method has the advantages that the time and labor are saved, and the convenience and rapidity are realized when the pass is calculated.
Owner:内蒙古包钢特种钢管有限公司
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