9 results about "Secondary tooth" patented technology

A blade noise reduction device, comprising a plurality of sawtooth units. The plurality of sawtooth units are arranged in a first direction. Each sawtooth unit comprises secondary teeth and a primary tooth, which extend in a second direction, wherein at least one secondary tooth is distributed on each of two sides of the primary tooth, the tooth vertex angle of the secondary tooth being smaller than the tooth vertex angle of the primary tooth. The blade noise reduction device can remarkably improve the noise reduction effect. In addition, the present invention further relates to a blade having the blade noise reduction device, and a wind turbine generator set having the blade.

The utility model provides a portable fastening foundation make-up box which comprises a box body, one end of the top face of the box body is connected with a box cover in a rotating mode, and the box cover is connected with the box body in a clamping mode through a buckle. A movable groove is formed in the side face of the box body, the cross section of the movable groove is in an L shape, a first rack and a second rack are slidably arranged in the movable groove, a rotatable incomplete gear is further arranged in the movable groove, and the first rack and the second rack are both meshed with the incomplete gear; the moving direction of the first rack is perpendicular to the moving direction of the second rack, the second rack is provided with an auxiliary tooth part, the box cover comprises a rotating shaft, the rotating shaft is sleeved with an opening and closing gear, and the auxiliary tooth part is meshed with the opening and closing gear; the box body is further detachably provided with a magnetic attraction base, and a hook-and-loop fastener is arranged on the side, away from the box body, of the magnetic attraction base. By arranging the structure of the movable groove, the first rack, the second rack and the incomplete gear, the function of opening the box cover through one-hand operation is achieved, meanwhile, the multifunctionality of the product is improved through the design of the magnetic attraction base and the hook-and-loop fastener, and one-hand operation is convenient.

The utility model relates to processing veterinary medicine technical field, and disclose a kind of concentration device for processing veterinary medicine, including sealed bucket, processing jar and base, the sealed bucket is fixedly connected with processing jar, this concentration device for processing veterinary medicine, by placing installation piece to the bottom of processing jar, coarse filter plate is slid in the inner wall of processing jar, control torsion piece drives card piece and the insertion of processing jar's mouth to be engaged connection, tank cover and sealed bucket and processing jar are sealed connection, No. 1 stirring rod is inserted with installation piece, control servo motor operates, drive main tooth disc meshing linkage two secondary tooth discs to rotate, drive two No. 2 stirring rod, installation piece, scraper and No. 1 stirring rod to rotate synchronously in processing jar, scraper and installation piece are rotatably connected with the inner wall of processing jar, to fully stir, reduce the sediment of not easy to dissolve, reduce the effect of causing influence drug quality.

The invention provides a wire feeding mechanism for fused deposition additive manufacturing of flexible wires, and belongs to the technical field of additive manufacturing, the wire feeding mechanism comprises a shell, the inner wall of the shell is rotationally sleeved with a wire guide roller, the outer surface of the wire guide roller is covered with the wires in an attached mode, and the wires are matched with a stretching anti-brittle assembly, the stretching brittleness-resistant assembly comprises a driving source connected to the outer side face of the shell in a penetrating mode, the output end of the driving source is fixedly connected with driving teeth, teeth of the driving teeth are meshed with secondary teeth, the wire can be continuously stretched through meshing of the driving teeth and the secondary teeth and the movement mode, then the shape of the outer surface of the wire is complete, recovery is faster, and the service life of the wire is prolonged. And then under the cooperation of the L-shaped connecting rod and the supplementary cold shrinkage assembly, the miscellaneous wires attached to the outer surface of the wire are shrunk on the outer surface of the wire, the problems that the thickness of the wire is not uniform and the wire is cracked and damaged due to spraying of the nozzle are solved, and under the combined action of the shrunk phenomenon and continuous stretching, the toughness of the wire is higher.

The invention provides an intelligent efficient equine animal cleaning, grinding, repairing and tooth extraction machine, and relates to the field of dental instruments, the intelligent efficient equine animal cleaning, grinding, repairing and tooth extraction machine comprises a clamp and grinding mechanisms arranged at the two ends of the clamp respectively, the grinding mechanisms comprise mounting seats arranged on the clamp and cavities formed in the mounting seats, in order to solve the problems that in the prior art, an electric tooth grinding tool is single in function, only one side of an equine animal tooth can be ground when the electric tooth grinding tool works, the angle needs to be continuously adjusted for peripheral grinding when the electric tooth grinding tool works, and the working efficiency is low, high-efficiency grinding is achieved through the arranged grinding mechanism; by arranging the grinding mechanism, the problem that in the prior art, excessive grinding causes damage to the teeth of the equine animals is solved; through the arranged grinding mechanism, the problem that in the prior art, the grinding efficiency is affected by impurity accumulation is solved; and through the arrangement of the polishing mechanism, the problem that secondary tooth extraction in the prior art causes great harm to equus animals is solved.

The utility model discloses a kind of multi-row tooth claw formula structures of road surface ice breaking machine, it is related to road surface ice breaking machine technical field, including the rack that can be installed on road surface ice breaking machine;Ice breaking wheel in the form of drum is equipped on the rack, the ice breaking wheel includes support body and the multiple ice breaking teeth of equidistantly arranged in support body outside, the ice breaking tooth includes plate body, tooth tip formed by plate body one end surface cutting and multiple notches opened on plate body, the notch is opened in the side where tooth tip is, multiple notches on multiple ice breaking teeth divide tooth tip into multi-row tooth claw structure.The utility model is through the ice breaking tooth of multi-row tooth claw formula structure and the secondary tooth in notch, can efficiently cut broken ice layer, improve ice breaking effect;The reasonable structure of support body guarantees that ice breaking wheel runs stably, the convenient disassembly design of ice breaking tooth is convenient for maintenance, cooperate with push plate and scraping tooth and can clean broken ice in time, overall enhance the efficiency and practicality of road surface ice breaking operation.

The application discloses a dustproof boltless multidirectional displacement comb joint, which is composed of a secondary tooth plate, a dustproof rubber strip, a middle tooth plate, a stainless steel plate, a displacement amount storage box, a main tooth plate, a drainage system, a multidirectional displacement system, an anchoring plate, a chain support assembly and the like. The drainage system is independent of the joint bottom in the comb joint, can be independently installed, and the water stop belt can be replaced without damaging the pavement. The expansion joint is a multi-beam uniform distribution expansion control bridge expansion joint gap, which avoids the damage of the bridge expansion joint gap caused by the excessive bridge expansion, the damage to the tires of the passing vehicles and the traffic accidents, the boltless installation of the overall structure of the comb joint avoids the bridge damage and the driving safety caused by the bolt loosening, effectively releases the multidirectional displacement of the overall and all-around natural stress of the bridge, protects the bridge from damage, greatly improves the service life of the bridge, and reduces the maintenance cost of the expansion joint in the later period.

The utility model relates to tapping machine technical field proposes a tapping machine, and the design includes main part assembly, and main part assembly includes the support platform and the support seat fixedly connected in the support platform bottom, is provided in the gear linkage assembly below the support seat, is provided in the universal rotation component of gear linkage assembly upper portion can with gear linkage assembly drive synchronous rotation, is provided in each universal rotation component upper portion is used for tapping cutter of tapping processing, the design adopts the composite drive scheme of gear linkage + universal rotation, wherein, through the meshing of main tooth disc and secondary tooth disc, accurate power distribution is realized, and each tapping unit is allowed to adjust the angle independently, adapts to different processing positions, and adopts rigid connection to reduce transmission gap, improves tapping accuracy.

The application discloses an automatic tooth aligning gear hobbing machine, and relates to the technical field of gear hobbing machines, which comprises a gear hobbing device, an automatic tooth aligning clamp, a centering device and a sealing door. The gear hobbing device is used for phase adjustment of a gear hobbing shaft, the angular position of the gear hobbing is restored to the initial phase, the meshing relationship between the gear hobbing and a workpiece is reestablished, the continuity of the generation motion after tooth alignment is ensured, tooth profile misplacement caused by phase error is avoided, the gear hobbing and the workpiece are kept in the correct generation motion relationship, the precision of workpiece machining is ensured, the yield is improved, the automatic tooth aligning clamp can automatically and quickly find the tooth groove when the secondary clamping, the midway tool withdrawal detection and other working conditions requiring secondary tooth alignment are performed, the workpiece is angle compensated, the workpiece tooth groove is automatically rotated to the preset target position and stopped, the quick return of the workpiece tooth groove is realized, the tooth alignment time is shortened, and the tooth alignment efficiency is improved. The centering device is used for supporting the rotating workpiece.