13292 results about "Bevel gear" patented technology

The invention relates to the technical field of laser measuring equipment, and discloses laser length measuring equipment for caution light production, which comprises a supporting seat, a rotating table rotationally mounted at the top end of the supporting seat, a laser measuring instrument arranged above the rotating table and a plurality of fixing assemblies arranged on the rotating table, a driving mechanism for driving the rotating table to rotate is arranged on the rotating table; through meshing arrangement of a first bevel gear and a second bevel gear in the synchronous driving assembly and a threaded transmission structure of a driving screw rod and a sliding block, synchronous movement of a clamping plate driven by a plurality of vertical plates is achieved, it is ensured that a warning lamp cover is accurately positioned to the axis position of the detection table, and the detection efficiency is improved. Therefore, the laser measuring instrument can accurately irradiate the center position of the top end of the lampshade, the problem of large measurement data deviation caused by insufficient positioning precision in the prior art is effectively solved, and the detection precision is remarkably improved.

The invention discloses an antifouling self-cleaning line column type porcelain insulator and a detection method thereof, and relates to the field of insulators, a connecting bin is provided with a positioning rotating member, two ends of a movable sleeve block are provided with one-way drawing units connected with a piston rod, and a gas storage bin is provided with a rotating exhaust member. By arranging a position adjusting rotating part, a rotating exhaust part and a one-way pulling unit, when wind blows a fan blade plate, a reversing bevel gear can drive a transmission shaft to rotate clockwise so as to enable a reciprocating lead screw to rotate clockwise, and when a transmission gear ring rotates anticlockwise, the reversing bevel gear drives the transmission shaft to rotate clockwise so as to enable the reciprocating lead screw to rotate anticlockwise so as to enable the reciprocating lead screw to rotate anticlockwise. Therefore, when the second pawl rotates, the reciprocating screw rod rotates clockwise all the time, one-way rotation of the reciprocating screw rod can be achieved, then the rotating exhaust part and the one-way pulling unit are matched, the surface of the insulator body can be cleaned through airflow, and the self-cleaning effect is achieved.

The invention relates to the technical field of positioning machining clamps, in particular to an engine right suspension support positioning machining clamp which is characterized in that a rocker is rotated to drive a first bevel gear to rotate, and a second bevel gear meshed with the first bevel gear rotates along with the first bevel gear and drives a rotary disc to rotate synchronously. The shifting grooves in the surface of the rotary disc push the shifting rods inserted into the shifting grooves to move in the radial direction, the bottoms of the shifting rods are fixedly connected with the sliding blocks, and the sliding blocks slide in the sliding grooves of the fixed disc, so that the three sets of positioning blocks in a circumferential array synchronously move centripetally or centrifugally, and reference positioning of supports of different sizes is achieved; and then the L-shaped shifting piece is loosened and is automatically clamped between teeth of the limiting gear under the action of the first spring to achieve self-locking, displacement is prevented in the machining process, the outer surfaces of the engine right suspension supports of special shapes or different sizes can be positioned through the three sets of positioning blocks arranged in a circumferential array mode, and the application range is wide.

The utility model discloses a rapid positioning and grabbing device of a container portal crane, and relates to the technical field of cranes. The clamping device comprises a fixing plate, symmetrically-distributed clamping blocks are arranged at the four corners of the fixing plate in a penetrating mode, the clamping blocks are in an L shape, a first connecting plate is fixedly arranged at the ends, close to the fixing plate, of the clamping blocks, and a second connecting plate is rotationally arranged at the end, away from the clamping blocks, of the first connecting plate. First fixing blocks are fixedly arranged at the ends, away from the first connecting plate, of the two second connecting plates. Through mutual cooperation of a fixing plate, a clamping block, a first connecting plate, a second connecting plate, a first fixing block, a second fixing block, a first positioning plate, a rotating rod, a rotating wheel, a positioning rod, a third connecting plate, a connecting rod, a first bevel gear, a second positioning plate, a second bevel gear and a first motor, a clamping piece is driven by the motor to rotate, and therefore a container is grabbed; and a pneumatic mechanism is not needed, the structure is simple, and operation is convenient.

The invention belongs to the technical field of pipe jacking machines, and discloses a high-strength rock crushing pipe jacking machine which comprises a machine head and a machine tail, the machine head is rotationally connected with a mounting frame with a cutter head, a partition plate in the machine head is rotationally connected with a shaft sleeve, and the shaft sleeve is rotationally connected with a driving shaft connected with the cutter head. A motor on the partition plate is meshed with a driving shaft through a driving bevel gear and a driven bevel gear II and a driven bevel gear I on a shaft sleeve, so that the driving shaft and the driven bevel gear II and the driven bevel gear I respectively drive a crushing roller II and a crushing roller I to act. The shaft sleeves drive the baffles to slide along the sliding grooves through the tooth grooves, the gears and the connecting rods to be matched with the transfer openings of the partition plates and the diversion groove bodies. An auger conveying pipe connected with the flow guide groove body penetrates through the mounting plates of the machine head and the machine tail and is supported by the machine tail support, and a collecting box on the machine tail base is matched with the auger conveying pipe. According to the pipe jacking machine, cutter head cutting and double crushing roller secondary crushing are combined with baffle control to prolong the crushing time, the rock crushing effect is improved, conveying blockage is avoided, and the pipe jacking machine is suitable for high-strength rock stratum construction.

The invention discloses an efficient sealing valve in a high-pressure environment, and relates to the technical field of sealing valves. Comprising a main body, a filter plate is fixed in the main body, a cleaning assembly driven by a motor is arranged on one side of the filter plate, an opening and closing assembly is arranged at the bottom of the cleaning assembly, a blocking assembly is arranged in a limiting frame, and the blocking assembly is rotationally connected with a first blocking plate and a second blocking plate. According to the device, a second bevel gear rotates to drive a connecting shaft to rotate, then a first fixing rod and a second fixing rod are driven to move in cavities formed in the two sides of the interior of a connecting frame, and therefore a rotating shaft and a rotating ring are driven to rotate; the first blocking plate and the second blocking plate rotate to block the residual oil sample, so that the effect of preventing the residual oil sample from slowly seeping out of the nozzle due to the release of system pressure or the action of self gravity after the valve is closed is achieved.

The utility model discloses forest tree breeding culture equipment, which relates to the technical field of forest tree breeding and comprises a support frame, a plurality of planting trays are fixed on the support frame and are linearly arranged from left to right, a plurality of planting grooves are linearly arranged at the top of each planting tray, and a fixing plate is fixed on each planting tray. A first electric push rod is arranged on the fixing plate, a transmission box is fixedly installed at the output end of the first electric push rod, a plurality of carrying rods are inserted into the top of the transmission box, and the transmission box is rotationally connected with the carrying rods through bearings. A driving assembly is utilized to pull a first bevel gear to rotate, so that the first bevel gear pulls a carrying block and an L-shaped cutter to rotate by virtue of a carrying rod, and the L-shaped cutter is utilized to cut soil in a planting groove, so that forest seedlings and root soil can be better separated from the planting groove, and transplanting of the forest seedlings is facilitated; and the forest seedling transplanting efficiency is improved to a certain extent.

The invention discloses a combined filtering device and method for gradient removal of impurities in a vegetable drug purification process, and relates to the technical field of impurity filtration, the combined filtering device comprises a filter main body, and the bottom end of a transmission shaft is provided with a spoiler connected with a collection hopper. According to the invention, by arranging the spoiler, when a transmission shaft drives a scraper to rotate, the rotation directions of a second transmission bevel gear and the scraper are opposite, and a second connecting bin drives a spoiler rod to stir a solution in the filter cartridge in the opposite direction, so that horizontal rotation disturbance on the solution can be reduced; a driven gear rotates in the process of revolution along the circle center of an inner gear ring, so that a connecting sleeve reciprocates up and down along a reciprocating screw rod, and meanwhile, a spur rack shifts a spur gear to rotate in a reciprocating manner, so that a turbulent flow rod rotates in a reciprocating manner relative to a second connecting bin; therefore, the disturbance of the solution in the vertical direction can be reduced, the stability of the filtered impurities in the collection hopper is further improved, and the impurities are prevented from flowing back to the inner side of the filter cartridge.

The invention discloses an on-machine measurement assistive device and method for abrasion of a discrete edge end mill. The auxiliary tool comprises a fixing clamp, a worm and gear and rack composite lifting mechanism, a bevel gear driven pivotal bearing mechanism, a camera platform, an industrial camera and a laser gradienter. The fixing clamp comprises a bolt and a gasket; the invention discloses a worm and gear and rack composite lifting mechanism. A bevel gear drives a pivotal bearing mechanism. The measuring method comprises the following steps: vertically lifting and positioning the camera platform by driving the worm and gear mechanism; horizontal rotation positioning of the camera platform is achieved by driving the bevel gear mechanism, the laser gradienter provides position reference, the industrial camera collects cutter abrasion images, and the image processing unit analyzes and processes the collected images and calculates abrasion loss. On-machine real-time monitoring of abrasion of the discrete edge end mill can be achieved, automatic abrasion measurement of chip separating grooves of different heights is completed, frequent manual adjustment is avoided, and the measurement precision and reliability are improved.

The invention discloses an energy-saving type electric grinding device for plugging agent production, and relates to the technical field of grinding devices, the energy-saving type electric grinding device comprises a grinding box and a feeding bin, and further comprises a driving assembly; the driving assembly comprises a supporting frame, a driving motor, a small bevel gear and a large bevel gear. A heat dissipation opening is formed in the end of the driving motor, a heat absorption cover is arranged above the heat dissipation opening, and a heat conduction pipe is fixed to the end, away from the driving motor, of the heat absorption cover. A ventilation pipe made of metal is fixed to one side of the feeding bin, the air inlet end of the ventilation pipe is connected with the air outlet end of the heat conduction pipe, an electric heating wire is wound around the outer wall of the ventilation pipe, and the electric heating wire is wrapped with ceramic fiber cotton. A movable shaft is rotationally connected into the feeding bin; a plurality of uniformly distributed scattering plates are fixed on the side surface of the movable shaft; a rotating shaft is movably connected into the grinding box, and a grinding ball is fixed to the unoccupied end of the rotating shaft; and synchronous operation of material grinding and crushing can be achieved, heat dissipation is accelerated, meanwhile, material particles are dried, and the material grinding efficiency is improved.

The invention relates to the technical field of textile fabric storage, and discloses a textile fabric storage rack for an automatic stereoscopic warehouse, which comprises an electric sliding rail, a rack body is arranged at the rear part of the electric sliding rail, a transmission mechanism is arranged at the left part of the rack body, and a storage rack is arranged on the outer wall of a bearing column. The transmission mechanism comprises an electric base, a sliding frame, a first screw rod, an electric conveying column, a transmission wheel, an isolation frame, a buffer plate and an output shaft, the electric base is slidably connected to the top of an electric sliding rail, and the sliding frame is fixedly connected to the top of the electric base. And a transmission rack is in engaged transmission with a fourth spiral rod through a bevel gear set in the moving process, so that a clamping plate is driven to move under limiting of a conveying plate, the clamping plate clamps and fixes objects on the top of the goods moving frame in the moving process, and the situation that the objects fall off when the goods moving frame moves in the conveying process is avoided.

The invention relates to the technical field of welding, and provides a steel pipe welding auxiliary device for steel furniture production, which comprises an adjusting mechanism, a control mechanism is fixedly mounted on the inner left side of the adjusting mechanism, a fixing mechanism is fixedly mounted at the inner upper end of the adjusting mechanism, and the adjusting mechanism comprises a base, a transmission rod and a gear motor. Mounting bins are fixedly connected to the two sides of the upper end of the base correspondingly, lifting bins are slidably connected to the interiors of the mounting bins correspondingly, first threaded rods are in threaded connection to the lower ends of the lifting bins correspondingly, and first bevel gears are fixedly connected to the lower ends of the first threaded rods correspondingly. Through the cooperation of the adjusting mechanism and the control mechanism, the adjusting mechanism of different welding surfaces at the welding seam is optimized, the height change amplitude of the seam can be effectively controlled, obvious lifting of the seam is avoided, the stability of the welding process and the welding quality are guaranteed, the operation intensity of workers is reduced, and the production efficiency is improved. And the comfort and the convenience in the operation process are improved.

The invention provides an abrasive flow polishing device and method for gear tooth surface homogenization. According to the method, tooth-shaped drainage pieces with the same shape as the gear are installed at the two ends of the upper portion and the lower portion of the gear, drainage section design is introduced, an abrasive flow medium path runner model is constructed, main parameters influencing an experiment are sampled and grouped through a Latin hypercube sampling method, abrasive flow polishing simulation is conducted in a grouped mode, and a Gaussian regression process is utilized to obtain an abrasive flow polishing simulation result. Selecting the minimum root-mean-square error of each group of PiVi data, determining the group of experimental parameters, obtaining a group of abrasive flow machining process parameters of optimal inlet pressure, back pressure and drainage section length, and finally guiding the experiment; according to the method, the influence of the inlet effect is relieved, the abrasive flow medium path runner model is constructed, a set of optimal abrasive flow machining process parameter combination is obtained, and the method is suitable for spur gears and bevel gears and high in universality.

The invention discloses a soil microbial fermentation device and a fermentation method, and relates to the field of microbial fermentation. A soil microorganism fermentation device comprises a fermentation tank and further comprises a cover plate detachably connected to the upper end of the fermentation tank; the material conveying barrel is positioned in the fermentation tank and is rotationally connected to the cover plate; the rotating sleeve is connected to the material conveying barrel in a sleeving mode, and a shifting rod is fixedly connected to the rotating sleeve; the motor drives the bevel gear for transmission, the linkage conveying barrel and the rotating shaft to rotate, and the electric telescopic rod is matched to drive the rotating sleeve to reciprocate, so that the three-dimensional stirring of the driving lever and the circulating conveying of the spiral blade are realized, a multi-dimensional stirring mode is formed, the material mixing uniformity is improved, the full contact of microorganisms and nutrient substances is promoted, and the fermentation efficiency and quality are improved; the elastic deflector rod and the counterweight ball can adaptively adjust the stirring range along with the rotating speed, eliminate stirring dead angles, accelerate the fermentation process, shorten the period, reduce the cost, and further optimize the fermentation effect and the product quality.

The invention relates to the technical field of cleaning of cutting equipment, in particular to a cleaning device for a band sawing machine. Rotation is transmitted to a rotating rod through a bevel gear set, through meshing transmission of a transmission gear and a rack, a mounting column is pushed to drive a scraping plate to move transversely, then the scraping plate abuts against a cutting saw blade for scraping, the scraping plate abuts against the cutting saw blade, and chippings on the surface of the cutting saw blade are scraped away; after materials are detected through an infrared grating sensor, an electric signal is sent to a control cabinet, a servo motor is triggered to drive a crank to drive a sliding rod to annularly rotate, the sliding rod is rotationally connected with a connecting rod through a lantern ring, and a mounting base is pulled to enable a striker plate to swing in an arc shape; and the mounting base can only rotate with the rotating shaft as the circle center, so that one end of the mounting base drives the material blocking plate to only swing downwards in a reciprocating mode, chippings, close to the material guiding shell, of the edge of the material blocking plate slide down towards the middle, and the chippings can be conveniently cleaned.

The invention belongs to the technical field of low-voltage switch cabinets, and particularly relates to a low-voltage switch cabinet with a good on-off effect, which comprises a cabinet body, an exhaust cavity formed at the bottom of the cabinet body, an air exhaust box fixedly mounted at the top of the cabinet body, a filter screen plate mounted on the side wall of the air exhaust box, a plurality of drawers slidably connected in the cabinet body, and an auxiliary heat dissipation box fixedly connected to the back of the cabinet body. When a second motor drives a rotating shaft to rotate to adjust the position of a movable seat, the rotating shaft rotates to drive a linkage shaft to rotate through a belt ring and a belt pulley, the linkage shaft is meshed with one transmission shaft through a bevel gear, and therefore when the rotating shaft rotates, the annular dehumidification net can be driven to rotate through the transmission shaft; and the position of a drying agent arranged in the annular dehumidification net is adjusted, so that the dehumidification effect is improved, and the problems that air with relatively high humidity enters the cabinet body, easily corrodes electrical components and seriously affects the on-off effect of the electrical components are solved as much as possible.

The invention relates to the technical field of tea leaf fermentation, in particular to a tea leaf fermentation device and method. The central supporting cylinder is coaxially arranged in the fermentation tank; the fan-shaped units are used for bearing to-be-fermented tea leaves; a plurality of groups of fan-shaped units are uniformly distributed in the circumferential direction of the central supporting cylinder and are encircled to form a tray assembly; the driving assembly comprises a driving main shaft arranged in the center supporting cylinder in a penetrating mode, a driving bevel gear fixedly arranged on the driving main shaft, and a driven shaft with one end connected with the fan-shaped units and the other end extending into the center supporting cylinder. By arranging the fan-shaped units which are uniformly distributed in the circumferential direction of the central supporting cylinder, the fan-shaped units are matched with the driving assembly to realize self-axis autorotation of the fan-shaped units, so that tea leaves are turned over in the autorotation process, efficient replacement of the tea leaves on the surface layer and the inner layer as well as the upper layer and the lower layer is realized, the fermentation difference is fundamentally eliminated, and the uniformity of the tea leaf quality is improved.

The invention relates to the technical field of food processing and mixing, and discloses a food processing premixing mechanism which comprises a screening box and a mixing seat, a vibration motor is mounted on the outer wall of the screening box, a first guide hopper and a second guide hopper are arranged on the outer walls of the two sides of the screening box in a staggered mode, one end of the second guide hopper extends to the mixing seat, and a mounting frame is fixed to the side wall of the mixing seat. A screw rod assembly is arranged in the mounting frame, a supporting arm is connected to the screw rod assembly, and a material mixing assembly is mounted at the bottom of the supporting arm; the material mixing assembly comprises a gear part, and an extension arm I, a material mixing rod I, an extension arm II and a material mixing rod II which are mounted on the gear part. The vibration motor cooperates with the rotating shaft and the swing rod to drive the screening box and the filter screen to efficiently screen and separate materials with large and small particle sizes, large crushed materials are automatically discharged, and fine materials are conveyed. The screw rod assembly can flexibly adjust the height of the material mixing assembly to meet different material mixing requirements. And the bevel gear drives the mixing rod I and the mixing rod II to perform composite motion, so that multi-dimensional stirring and mixing of the materials are realized.

The two-degree-of-freedom finger mechanism of the five-finger manipulator is suitable for five-finger manipulator equipment of a humanoid robot and serves as a ring finger and little finger module. The robot consists of two parts, namely a finger bending assembly and a finger swinging assembly. The finger bending assembly drives a ball screw nut pair through a driving motor to convert rotary motion into linear motion, and then a ball nut drives an elastic connecting rod and finger joints to achieve bending motion of fingers. The finger swinging assembly drives a bevel gear set through a driving motor, and after the direction of rotating motion is changed, a connecting rod and finger joints are driven through a universal joint to achieve the swinging action of fingers. According to the two-degree-of-freedom mechanical finger, the two assemblies are ingeniously combined to one finger, and the overall size of the mechanical finger is reduced while two-degree-of-freedom movement is achieved. And in combination with the use of the elastic connecting rod, the driving motor is protected, and the action area of the manipulator and the grabbed object is increased.

The invention discloses a strong anti-overturning power generation device and method based on wind wave combined capture, and the device comprises a four-column type semi-submersible fan platform and a wind driven generator located above the four-column type semi-submersible fan platform, and the four-column type semi-submersible fan platform comprises hollow columns. The bottom of the hollow stand column is fixedly connected with the bottom of the outer side stand column through a horizontal column, a floating wave energy absorption system is arranged on the outer side of the outer side stand column, and the output end of the floating wave energy absorption system is connected with the input end of a power generator system through a bevel gear power generation system in the hollow stand column. One end of the floating wave energy absorption system is connected with the spring system in the hollow stand column; the core technical problems that an existing device is poor in stability, high in cost, low in efficiency, weak in adaptability and the like are solved.

The invention relates to the technical field of crankshaft center hole machining, and discloses an engine crankshaft center hole machining device which comprises a machining base table, a limiting mechanism is movably connected to the center of the top end of the machining base table, and positioning mechanisms are fixedly connected to the two sides of the top end of the limiting mechanism. A placing mechanism is fixedly connected to the center of the top end of the machining base table, a crankshaft assembly is placed at the top end of the placing mechanism, and the crankshaft assembly is located in the positioning mechanism; by arranging the adjusting wheel, the output bevel gear, the transmission bevel gear and the limiting plate, the adjusting wheel is rotated before a center hole is drilled, the output bevel gear is driven to rotate through the output shaft when the adjusting wheel rotates, the rotating shaft is driven to rotate through the transmission bevel gear when the output bevel gear rotates, and then the rotating sleeve and the limiting plate rotate; at the moment, the angle between the two limiting plates is changed, the balance block can be supported, the crankshaft assembly placed in the limiting plates can be preliminarily and accurately positioned, and follow-up rapid and accurate positioning is facilitated.

The utility model relates to the technical field of engineering machinery transmission parts, in particular to an engineering machinery drive axle transmission system convenient for heat dissipation and lubrication, which comprises a driving spiral bevel gear and a large spiral bevel gear which are meshed with each other, a main spiral bearing and an oil seal are arranged between the main transmission shell and the driving spiral bevel gear; an oil groove group for lubricating the main spiral bearing and the oil seal is formed in the main transmission shell; the oil groove set comprises a first lubricating oil groove and a second lubricating oil groove, the first lubricating oil groove is communicated to the main spiral bearing, the second lubricating oil groove is communicated between the oil seal and the main spiral bearing, and the first lubricating oil groove and the second lubricating oil groove are each of a spiral oil groove structure. According to the scheme of the utility model, the problem that the bearing and the oil seal are damaged due to insufficient lubrication and heat dissipation in a high-speed operation environment caused by poor lubrication of the bearing can be solved.

The utility model discloses a high-flexibility flexible mechanical finger supporting forward and reverse holding and a manipulator. The mechanical finger comprises a middle finger section, a base finger section and an end finger section, wherein the base finger section and the end finger section are rotationally connected with the two ends of the middle finger section respectively. Driving units are arranged in the end finger section, the middle finger section and the base finger section; bevel gear transmission units are arranged at the tail end of the end finger section, the tail end of the middle finger section and the tail end of the base finger section; the driving units are in transmission connection with the corresponding bevel gear transmission units; the driving unit drives the end finger section and the base finger section to rotate by taking the corresponding bevel gear transmission unit as a central shaft; through the structure and position design of the micro driving motor and the bevel gear transmission unit, each finger and each knuckle of the manipulator can be flexibly controlled, so that the manipulator has higher bionic flexibility and more precise grabbing capacity, and can be suitable for different scene requirements; by means of the special inserting mode between knuckles, the left-right hand grabbing function of the single mechanical arm is achieved.

The utility model relates to the technical field of ultrasonic gas flow meters, and discloses an ultrasonic gas flow meter noise reduction rectifying device which comprises a pipeline and an ultrasonic gas flow meter, a noise reduction mechanism is arranged outside the pipeline, a connecting mechanism is arranged outside the noise reduction mechanism, and the noise reduction mechanism comprises a noise reduction shell. A groove is formed in the inner side of the noise reduction shell, a rotating rod is rotationally connected to the interior of the groove, a baffle is fixedly connected to the exterior of the rotating rod, sound absorption cotton is installed on the exterior of the baffle, a first bevel gear is installed on the exterior of the rotating rod, and a second bevel gear is engaged with the exterior of the first bevel gear; an adjusting rod is installed in the middle of the second bevel gear, a third bevel gear is fixedly connected to the outer portion of the adjusting rod, a fourth bevel gear is meshed with the outer portion of the third bevel gear, and according to the noise reduction rectifying device of the ultrasonic gas flowmeter, the effect of improving the measurement accuracy of the ultrasonic gas flowmeter is achieved through noise reduction operation.

The invention belongs to the technical field of building construction, and discloses a green building intelligent construction platform which comprises a construction platform body and further comprises first intercepting assemblies symmetrically arranged on the two sides of the construction platform body; the second intercepting assembly is movably connected to one side of the construction platform; through cooperation of structures such as a first intercepting assembly and a second intercepting assembly, objects are prevented from falling off from the high altitude, when a U-shaped plate moves, the objects can slide along the track of an arc groove, so that a first rotating shaft drives a first baffle to overturn in the direction away from the construction platform, and through meshing connection of a second bevel gear and a first bevel gear, the objects can be intercepted from the high altitude. Therefore, the two first baffles and the second rotating shaft form an inclined blocking face on the periphery of the device, and therefore the situation that articles directly fall to the ground from the high altitude, and people and objects below are injured can be effectively avoided.

The invention discloses a landscaping engineering construction dust fall device, and relates to the technical field of construction dust fall, the landscaping engineering construction dust fall device comprises a spraying table, a rotary table is fixedly connected to the upper end of the spraying table, a cleaning mechanism is arranged at the upper end of the spraying table, a supporting mechanism is arranged on the surface of the rotary table, and the rotary table comprises a spraying cylinder rotationally connected to the upper end of the rotary table; a first supporting seat is fixedly connected to the upper end of the spraying table, a first rotating sleeve is rotatably connected to the inner wall of the first supporting seat, a missing gear is fixedly connected to the side end of the first rotating sleeve, a rotating rod is rotatably connected to the upper end of the spraying table, and an upper bevel gear is fixedly connected to the surface of the rotating rod. By adopting the reversing transmission technology that the first rotating sleeve and the missing gear are matched with the upper helical gear and the lower helical gear of the rotating rod, the spraying barrel can be driven to achieve stable periodic reciprocating swing, the limitation of fixed angle or one-way rotation of traditional spraying equipment is broken through, the coverage range of water mist is greatly expanded, and distribution is more uniform.

The invention belongs to the field of automobile part machining, and particularly relates to a welding tool for automobile part machining, which comprises a base, a bracket is fixedly connected to the top of the base, a top plate is fixedly connected to the top of the bracket, and a welding gun is arranged at the bottom of the top plate; according to the welding tool for automobile part machining, two first electric telescopic rods are used for controlling one of two sections of pipelines to be clamped, the other one of the two sections of pipelines to be in a loose state, a motor is used for controlling a first bevel gear to rotate, two second bevel gears are driven to rotate, two first straight gears are made to rotate, and two gear rings are driven to rotate; therefore, the two clamping tables rotate, on the basis that one pipeline is driven to rotate, the other pipeline rotates in the same direction, the pipeline can stably rotate among the multiple clamping plates under limiting of the multiple clamping plates, circumferential welding can be conveniently carried out on the splicing position of the two sections of pipelines, the two sections of pipelines can stably rotate, and welding efficiency is improved. And the welding precision is improved.

The invention relates to the field of textile equipment, in particular to a vortex spinning production auxiliary device and a using method thereof.The vortex spinning production auxiliary device comprises a dyeing box used for supporting, a feeding guide groove and six sets of dyeing guide rollers are arranged on the rear portion of the inner end face of the dyeing box, and the feeding guide groove is communicated with the dyeing guide rollers; and the six groups of dyeing guide rollers are rotationally clamped on the inner end surface of the dyeing box body. By arranging the extruding device, when redundant coloring agents of vortex spinning yarn are extruded and guided out, the upper and lower groups of extruding guide rollers can synchronously and reversely rotate under the transmission of a speed reducing motor, a transmission clamping shaft, a driven bevel gear and a driving bevel gear, and meanwhile, a supporting spring can provide enough elastic force for the upper and lower groups of extruding guide rollers; the upper and lower groups of extrusion guide rollers are arranged, so that when the upper and lower groups of extrusion guide rollers guide out the vortex spinning yarns, the vortex spinning yarns can be synchronously and elastically extruded, excessive coloring agents are further removed, and the efficiency and the practical performance of the equipment for dyeing the vortex spinning yarns are effectively improved.

The invention relates to the technical field of building construction, in particular to a cement material stirring device for building decoration engineering construction, a screening mechanism in the cement material stirring device drives an inclined box and an internal inclined screen to continuously move up and down in a reciprocating manner through a transmission assembly, and dynamic screening of input cement is achieved; qualified powder rapidly penetrates through the screen and enters a subsequent process through the vertical pipe, intercepted agglomerates automatically roll down to a lower outlet under the action of vibration and inclination, the agglomerated cement materials are screened, meanwhile, the smashing mechanism ingeniously obtains power from a driving motor through a rotating shaft, and the smashing efficiency is improved. Crushing cutters distributed on a first rotating rod and a second rotating rod in a staggered mode in the box body are driven by a bevel gear and a gear set to rotate oppositely at a high speed, cakes falling from a lower outlet are thoroughly cut and scattered, the cakes are reduced into fine powder and then collected into a stirring barrel, and the efficiency and quality of raw material preparation before stirring are greatly improved; and the problem of non-uniform slurry caused by cement caking and core hardening is fundamentally avoided.

The invention discloses an agricultural plant protection unmanned aerial vehicle, and belongs to the technical field of agricultural plant protection, the agricultural plant protection unmanned aerial vehicle comprises a stirring structure, the stirring structure comprises a rotating rod and a rotating frame distributed on the periphery of the rotating rod, the rotating rod and the rotating frame are both arranged in a stirring tank, the rotating frame is in a [shape, and the rotating rod and the rotating frame rotate in opposite directions; the quantitative discharging structure comprises a pesticide box arranged on the rear portion of the stirring tank, the bottom wall of the pesticide box is connected with a closed disc in an attached and rotating mode, a discharging hole is formed in the closed disc, the pesticide box is communicated with the interior of the stirring tank through a feeding pipe fixed to the interior of the stirring tank, and quantitative discharging is achieved through periodic alignment of the discharging hole and the feeding pipe. The bevel gear driving structure drives the rotating rod and the rotating frame to rotate reversely, the reverse rotation generates a strong shearing and stirring effect, the stirring blades with the flowing holes are matched, the liquid medicine mixing uniformity is improved, the quantitative discharging structure achieves accurate control over the medicine feeding amount, and the medicine feeding error is reduced.