145 results about "Uniform rotation" patented technology

This invention relates to the field of booms, and discloses a rotary drive mechanism, a boom, and engineering machinery. The rotary drive mechanism includes an annular piston (10) and a stator. The annular piston (10) is provided with piston teeth having protruding curved tooth surfaces and piston teeth having inclined flat tooth surfaces. The stator is provided with stator teeth having protruding curved tooth surfaces and stator teeth having inclined flat tooth surfaces. The annular piston (10) can be driven to move axially relative to the stator. Through the above-described technical solution, the combination of the meshing of curved tooth surfaces and the meshing of flat tooth surfaces can ensure smooth transmission in the initial meshing stage, reduce noise, and allow the subsequent meshing stage to convert axial movement into uniform rotation, providing a more stable torque output.

The utility model discloses a portable handheld welding machine auxiliary device which comprises a frame, two sets of moving seats are connected in the frame in a sliding mode, fixing plates are fixedly connected to the upper portions of the two sets of moving seats, a plurality of sets of sliding grooves are formed in the circumference of the outer wall of each fixing plate, and a device frame is installed at the telescopic end of an electric telescopic rod. A driving wheel is rotationally connected into the device frame, a driving motor is installed on the outer wall of the device frame, an output shaft is coaxially and fixedly connected with the driving wheel, and a driving mechanism for driving the multiple moving plates to slide is installed on the outer wall of the fixed plate. Through the internal and external cooperative clamping structure of the driving wheel and the rolling wheel, a round pipe can continuously rotate at a constant speed in the welding process, an operator can complete welding of a whole circle of weld joints at a time without repeated disassembly and adjustment, the problem of repeated arcing caused by welding interruption is avoided, welding defects such as incomplete fusion and air holes are effectively prevented, and the welding efficiency is improved. And the consistency and the reliability of a welding joint are improved.

The utility model discloses a plastic woven bag edge covering device. The plastic woven bag edge covering device comprises a base (1), a mounting beam (2) arranged on the base (1), a roller (3) arranged on the side face of the mounting beam (2), a sewing device (4) arranged at the top end of the mounting beam (2) and an edge covering belt (5) arranged on the base (1) and arranged on the side face of the roller (3). The plastic woven bag edge covering device is simple in structure, the woven bag is firmly adsorbed, stability is high, edge covering is conducted in the process that the motor drives the roller to rotate at the constant speed, the speed is stable, wiring is even, the edge covering efficiency is greatly improved, and the product quality is effectively guaranteed.

The invention relates to the technical field of metal pipe fitting welding, in particular to a metal pipe welding device and method. The rolling shaft fixator comprises a fixing assembly used for fixing the metal capillary tube and a welding assembly used for conducting end face girth welding on the metal capillary tube, the fixing assembly comprises a fixing base, a motor and a metal tube control piece, the motor and the metal tube control piece are located on the fixing base, and the rolling shaft fixator comprises an outer frame, an inner frame and a second side end support, according to the automatic welding machine, clamping rotation and welding head feeding are synchronously controlled through a set of driving motor, full-process automation of clamping, centering, rotating and welding is achieved, the production efficiency is greatly improved, and instability of manual operation is eliminated; the uniform-speed rotation of the metal capillary tube ensures that the weld penetration of girth welding is uniform, the formation of weld joints is consistent, and the quality of welded joints is remarkably improved.

The utility model discloses a cylindrical metal packaging tin inner and outer wall polishing device which is characterized in that a transmission groove is formed in the middle of a base, four driving grooves are evenly distributed in the periphery of the base, driving lead screws in the grooves are meshed pairwise through gears in the transmission groove to achieve synchronous rotation, and a polishing assembly is driven to move in the horizontal direction; and the polishing requirements of inner and outer walls of tanks with different diameters are met. A transverse plate on the stand column is driven by a stand column motor and a lead screw to vertically move, and the height of the suction cup rotating assembly is adjusted to adapt to different tank heights. The suction cup rotating assembly adsorbs and fixes the tank body through an air pump, an air cylinder drives an extending block to be matched with a threaded rod, constant-speed rotation of the tank body is achieved, and full-circumferential automatic polishing is completed by combining positioning of a polishing plate. A central axis channel of the threaded rod optimizes the gas path layout, and the adsorption stability is ensured. According to the device, efficient switching and machining of polishing of the inner walls and the outer walls of tanks of different specifications are achieved through linkage transmission and height adjustment, and the production efficiency and the equipment universality are improved.

This invention relates to the field of gear performance testing technology, and more particularly to a gear performance testing system based on mixed metal powder pressing molding, comprising: a testing machine, which includes a rotating component and a support; a defect information acquisition module, including an eddy current probe for acquiring the induced electrical signal generated when the gear under test interacts with an alternating magnetic field and a purging component; a detection module for acquiring the vibration value of the eddy current probe and the dust concentration at a dust concentration sampling point below the eddy current probe; and a control module for determining the current rise slope of the alternating current based on the vibration difference, determining the vertical height of the support based on the overlap between the dust-containing area on the surface of the gear under test during the uniform rotation phase and the corresponding fixed area, and determining the purging duration of the purging component based on the decrease in dust concentration in the dust-containing area within a unit dust monitoring cycle. This invention improves the accuracy of gear performance testing.

This utility model discloses a gas pipe cleaning device, including a main body, a positioning mechanism, and a cleaning mechanism. The positioning mechanism includes a first motor, a transmission belt, a first rotating component, a second motor, a lead screw, a clamping block, and auxiliary components. The auxiliary components include a hydraulic cylinder, a positioning block, a first roller, and a second roller. The cleaning mechanism includes a second rotating component, a third roller, a pushing component, and a cleaning sleeve. With the cooperation of the above mechanisms, this device clamps and fixes the gas pipe, ensuring that the gas pipe will not shift or fall off during the cleaning process, thus guaranteeing the stability and safety of the cleaning process. In addition, the uniform rotation function of this device ensures that every part of the inner wall of the gas pipe is contacted, guaranteeing the uniformity and thoroughness of the cleaning.

The application discloses a spinning processing method for a spear body, which comprises the following steps: S1, positioning and supporting a pipe between two pipe end positioning sleeves and clamping the pipe by using a pipe rotating mechanism; S2, driving the pipe to rotate uniformly; S3, clamping the pipe from the radial outside of the pipe by using a centering mechanism to limit the radial deviation of the pipe in the subsequent processing process and keeping the centering state; and S4, spinning forming, which comprises the following steps: S4.1, radial feeding, making two groups of spinning rollers on two spinning units contact the outer wall of the rotating pipe in a left-right opposite state and applying radial pressure; and S4.2, axial feeding and synchronous spinning, driving the centering mechanism and each spinning unit to move in the direction parallel to the pipe axis under the condition that the spinning rollers contact the outer wall of the pipe, so that the pipe is processed and formed. The application has the advantages that the uniformity of the circumferential wall thickness of the spear body can be improved.

A spraying device for penetrant testing of rods includes a housing, a placement rack inside the housing, a storage slot on the placement rack, rubber wheels inside the storage slot, a cover plate on the storage slot, an electric push rod on the placement rack, a transverse frame on the housing, a moving slot on the transverse frame, a support frame inside the moving slot, a limit slot on the support frame, a spray can on the limit slot, and a drain port on the housing. The device uses rubber wheels to drive the rotation of the rods and the two-dimensional movement of the spray can, replacing manual rotation of the rods, reducing manual intervention and labor intensity, and is suitable for batch testing. The uniform rotation of the rods and the lateral and longitudinal movement of the spray can ensure that every part of the surface is covered with penetrant, avoiding the omissions of traditional manual spraying and improving the accuracy of the test results. The electric push rod can adjust the position of the placement rack to accommodate rods of different sizes.

The application belongs to the technical field of medical instrument processing, and discloses a sand blasting treatment system and method. The sand blasting treatment system comprises a sand blasting device, a rotating shaft, a plurality of support assemblies and a driving member. The sand blasting device has a nozzle capable of reciprocating sliding and used for sand blasting; the rotating shaft is arranged opposite to the nozzle, and a support to be blasted is sleeved on the rotating shaft; the plurality of support assemblies are distributed along the circumference of the rotating shaft at intervals, the support assemblies are arranged through the mesh of the support and are fixedly connected with the rotating shaft through clamping; and the driving member is connected with the rotating shaft to drive the rotating shaft to rotate the support. Therefore, when the support is blasted by the sand blasting treatment system, the axial displacement of the support on the rotating shaft can be ensured, the support can rotate synchronously with the rotating shaft, the torque of the support can be matched with the torque output by the driving member, the possibility of non-uniform rotation speed of the support is reduced, the support can be uniformly impacted by sand and gravel, and the blasting treatment effect is effectively improved.

The invention discloses a method for measuring straightness circle run-out of a spinning cylinder, which not only adapts to spinning cylinders with different lengths and outer diameters, but also can avoid the problem of deformation of a thin-wall spinning cylinder caused by clamping of a traditional manual detection platform through a roller base and a roller which are adjustable in spacing, and guarantees the stability of a measurement reference. Meanwhile, expensive and complex equipment such as a laser interferometer and a three-coordinate detector does not need to be relied on, the detection cost of the large or overweight spinning cylinder is effectively reduced, and the high-cost burden brought by a special customized instrument is eliminated; by means of the PLC servo system, constant-speed sliding of the dial indicator and constant-speed autorotation of the spinning cylinder are achieved, operation is convenient and fast, controllability is high, comprehensive measurement of generatrix straightness at different angles and run-out of different section circles can be accurately completed, detection accuracy, practicability and economical efficiency are considered, and detection requirements in actual production are better met. The device is especially suitable for a thin-wall spinning cylinder, external force cannot be applied to the spinning cylinder in the measurement process, and the deformation risk caused by measurement operation is avoided.

The invention provides a sound spectrum nondestructive testing device for an austenite manganese casting for ship equipment. The sound spectrum nondestructive testing device comprises a base, supporting legs are fixedly mounted at the bottom of the base, a control box is fixedly mounted at the upper end of the base, a placement plate is mounted and connected to the upper end of the base, and two sliding plates are slidably connected to the upper end of the base; a plurality of hydraulic rods are fixedly installed at the bottom of the base, and pulleys are fixedly installed at the bottoms of the hydraulic rods and provided with brake pads. According to the acoustic spectrum nondestructive testing device for the austenite manganese casting for the ship equipment, by arranging structures such as the hydraulic rod, the hydraulic rod realizes height adjustment and flexible movement of the device, and stably supports the equipment, so that the acoustic spectrum nondestructive testing device adapts to a complex detection environment of a ship; the sliding block is matched with the sliding rod to achieve high-precision transverse movement, it is guaranteed that the probe is accurately positioned, and castings in complex shapes are efficiently covered. The second motor drives the placing plate to rotate at a constant speed, diversified detection modes are provided, no dead angle of sound wave detection is guaranteed, the detection efficiency and accuracy are improved, and the durability of equipment is enhanced.

The invention provides automatic welding equipment for a barrier gate rod handle head, which comprises a rotary working table rotatably arranged on a machine base; the positioning mechanism is fixedly arranged at the rotating center of the rotating worktable and is used for radially positioning the barrier gate rod handle head base and the sleeve piece which are overlapped and sleeved; the pressing execution mechanism is arranged on the machine base and located above the rotary workbench, and the pressing execution mechanism is provided with a pressing end capable of performing linear motion towards the positioning mechanism so as to axially press and fix the sleeve part on the base before welding; the welding executing mechanism is arranged on the machine base and located above the rotary workbench, and the welding executing mechanism is provided with a welding output end capable of doing linear motion towards the positioning mechanism and used for welding a joint circular seam between the base and the sleeve piece in the pressing state; and the rotary driving mechanism is arranged on the machine base, is in transmission connection with the rotary workbench and is used for driving the rotary workbench and driving the workpiece on the rotary workbench to rotate around the axis of the positioning mechanism at a constant speed during welding.

The utility model discloses walnut oil processing equipment with a separation structure, and relates to the technical field of food processing, the walnut oil processing equipment comprises a separation barrel, the bottom end of the separation barrel is provided with an oil outlet hole, the top end of the separation barrel is fixedly connected with a breaking device, and the breaking device is provided with an oil outlet hole; the crushing device is used for cutting and crushing walnut kernels in a rotating manner; through mutual cooperation of the smashing device and the separating device, the smashing device of the equipment is fixedly connected with the separating barrel, the limiting frame is arranged on the outer wall of the smashing barrel, the control plate slides on the limiting frame and the inner wall of the smashing barrel, and by adjusting the position of the control plate, uneven smashing caused by too much walnut kernels entering the separating device at a time is effectively avoided; according to the separating device, a second motor is adopted to drive a two-way screw rod, and uniform-speed rotation of the two-way screw rod ensures the consistency of the movement speed and force of an extrusion plate, so that the aim of fully extruding the walnut oil can be achieved.

The utility model discloses a food processing packaging machine, which relates to the technical field of food processing and comprises a bottom plate, a shell is fixedly arranged on the left side of the upper end of the bottom plate, a rotating mechanism is arranged in the shell, a mounting plate is arranged at the top end of the rotating mechanism, and fixing mechanisms are symmetrically arranged at the upper end of the mounting plate. A stabilizing frame is fixedly arranged on the right side of the upper end of the bottom plate, a support is fixedly connected to the upper end of the stabilizing frame, and a material box is fixedly arranged at the top end of the support. After multiple groups of packaging bags are opened through multiple groups of supporting frames, the rotating cone pulley I can drive the stand column to rotate by utilizing the meshed cone pulley II, and the stand column drives the opened packaging bags to rotate at a constant speed through the mounting plate until the packaging bags reach the position below a material box; a certain amount of food in the material box is discharged through the discharging frame and enters the packaging bags, and after a subsequent group of packaging bags finish packaging, the other group of packaging bags are rapidly moved to the position below the material box so that the packaging bags can be continuously used conveniently.

The present application relates to a kind of air bag polishing device for bearing ring inner and outer circle simultaneously, and polishing reciprocating mechanism is used to drive air bag polishing system to move up and down;Polishing transmission system is used to drive air bag polishing system to rotate and reciprocate;Air bag polishing system connects polishing transmission system;Clamping device transmission system connects replaceable clamp, for driving workpiece rotation;Replaceable clamp is installed on the clamp shaft above workbench;For driving workpiece uniform speed rotation;Heat treatment module moves up and down by motor and ball screw control.It can realize the super-precision synchronous polishing of different size bearing ring inner and outer circle, and can adjust heating temperature according to the dynamic monitoring results of each point metallographic structure on workpiece surface, by means of local rapid'heating-cooling ', to adapt to polishing conditions of surface organization, and can overcome the positioning error generated by repeated clamping, avoid the damage to machined surface, greatly improve the bearing super-precision machining efficiency.

The utility model relates to the field of aluminum plate processing, in particular to an annealing device for aluminum plate processing, which is characterized in that a sliding rail is arranged in the middle of an annealing furnace to limit and slidably mount a driving box, a lower supporting plate is rotatably mounted at the upper part of the driving box and is connected with an upper pressing plate through a supporting rod, and the upper pressing plate is in threaded connection with a screw rod piece; a bevel gear driving mechanism is arranged in the driving box, the output end of the bevel gear driving mechanism is in butt joint with a driving rod, and the driving rod is driven by a second driving motor to rotate. According to the aluminum plate annealing device, the upper supporting plate and the lower supporting plate are used for limiting and fixing an aluminum plate, feeding and discharging are achieved under the action of the first driving motor, the second driving motor drives the driving rods to rotate in the annealing process, and the driving rods are in butt joint through key grooves so as to transmit power to the lower supporting plate; therefore, the upper supporting plate and the lower supporting plate synchronously rotate to drive the workpiece to rotate and be heated at a constant speed, annealing efficiency is effectively improved, and aluminum plate machining efficiency is guaranteed.

This invention discloses a milling head-type flat-end beveling machine for thick-walled steel pipes, comprising: a frame, a main unit, and the main unit mounted on the frame. The main unit includes: an equipment base, a rotary support mechanism, a feed servo drive system, and a cutting execution mechanism. The rotary support mechanism has an inner support, which is equipped with a support mold. The movable base can drive the support mold to extend into or out of the steel pipe, fixing the steel pipe and causing it to rotate uniformly around its axis. The feed servo drive system coordinates and controls the milling cutter's revolution trajectory, driving the milling cutter head to perform milling on the side of the steel pipe around its axis to create a flat-end beveling edge. By using an inner support for expansion and fixing, combined with the uniform rotation of the steel pipe, rigidity and machining accuracy are improved. By using multiple sets of servo-driven milling cutters with different trajectories for lateral revolution milling, axial straight cutting is eliminated, reducing equipment vibration, preventing tool breakage, and extending tool life. At the same time, it breaks through the limitations of wall thickness processing, improving efficiency and reliability for various thick-walled steel pipes.

The invention relates to the technical field of motor assembling, in particular to a riveting device for automobile motor assembling, which comprises a base, a rotating motor, a rotating table, a riveting roller, a driving assembly, a pressing assembly and a limiting assembly.When the riveting device is used, an automobile motor is placed on the rotating table and positioned, a to-be-assembled end cover is placed on the pressing assembly, then the pressing assembly is started, and the riveting roller is driven by the driving assembly; the rotating table moves downwards, the end cover is pressed on the automobile motor, the rotating motor is started, and the pressed automobile motor and end cover combination body is driven by the rotating table to rotate at a constant speed; meanwhile, the driving assembly pushes the riveting roller to horizontally feed, so that riveting bulges on the peripheral side of the riveting roller are in contact with a preset riveting part at the bottom of the outer edge of the rotating end cover; along with the proceeding of rotation, under the continuous pressure of the driving assembly, the riveting protrusions of the riveting rolling wheels conduct continuous and uniform rolling on the edge of the end cover, so that the end cover material generates plastic deformation and is buckled in a corresponding structure of the automobile motor shell.

The utility model discloses a blood analysis sample mixer which comprises a fixed frame, a movable frame is arranged on the inner side of the fixed frame, a second rotating shaft and a first rotating shaft are fixedly connected to the left side and the right side of the movable frame respectively, and bearings are fixedly connected to the left side and the right side of the fixed frame in an inserted mode. After a pressing plate is opened, each test tube penetrates through a through hole and is inserted into an inner cavity of a groove, then the pressing plate is turned over to be far away from a top plate, the top plate moves upwards under the action of a spring, the top plate drives a movable plate and a clamping block to move upwards through a connecting rod, the clamping block moves to be far away from a gear, so that fixation of a second rotating shaft is released, and the pressing plate is turned over to the top of a movable frame; then the butterfly screw is tightened to fix the pressing plate, the pressing plate drives the sponge to be attached to the top of the test tube, so that the test tube is fixed, then the rocking wheel is rotated at a constant speed, a blood sample in the test tube is uniformly mixed, time and labor are saved, and safety is achieved.

The application relates to the technical field of copper oxide powder production, in particular to a production device and a production method for semiconductor special copper oxide powder. The production device comprises an organic main cylinder, a cylindrical inner lining layer is fixed on the inner wall of the main cylinder, a screw column-shaped pushing element is fixed in the inner lining layer, a J-shaped protective plate is arranged in the pushing element, a ladder-shaped columnar track stop lever is arranged on one side of the J-shaped protective plate, and a row of push control units is arranged on one side of the track stop lever. The application directly burns and heats the powder by arranging a row of fire guns in the main cylinder, so that the high energy consumption problem caused by long-distance heating outside the main cylinder is avoided. In addition, the grinding balls are collected by the inclined plate and then are re-conveyed to the initial position of the powder injection by the track stop lever, so that the grinding balls are continuously and uniformly dropped in the initial position and are uniformly conveyed by the uniform rotation of the pushing element, so that the grinding balls in the main cylinder are uniformly distributed.

The invention discloses a pipe orifice processing technology of a metal corrugated pipe, which is characterized in that one end of the metal corrugated pipe is clamped and fixed by a clamping jaw of a main shaft device, and the main shaft device drives the metal corrugated pipe to rotate around the axis at a constant speed; under the state that the metal corrugated pipe continuously rotates, the to-be-machined end of the metal corrugated pipe is subjected to the following procedures in sequence: a flaring procedure: radially expanding a pipe opening of the corrugated pipe by adopting an oval flaring die to enable the opening part of the corrugated pipe to form a flaring shape; an inner core rod is adopted to be matched with an extrusion die, the inner core rod is inserted into the pipe opening, the extrusion die conducts radial extrusion shrinkage on the flaring-shaped pipe opening, and the externally-expanded pipe body is made to form a circular pipe body through the necking process; a cutting procedure: performing fixed-length cutting on the end part of the necked pipe orifice by adopting a cutting device so as to obtain a flat end surface; a chamfering process: machining circular arc transition surfaces on the inner and outer edges of the cut pipe orifice by adopting a chamfering device; and a polishing process: polishing the inner surface and the outer surface of the pipe orifice subjected to R chamfering by adopting a polishing device to obtain the target finish degree.

The invention relates to the technical field of machine manufacturing and welding tools, in particular to an adjustable and rotatable welding positioning device suitable for cylindrical parts such as guide pipes and shafts. Positioning is accurate and rapid, and rapid centering and fine adjustment of a workpiece are achieved through cooperation of a cross-shaped groove and a gasket; the universality is high, shaft pipe fittings of various specifications and materials can be adapted, and the copper gasket effectively protects the surface of the workpiece; the welding quality is high, a workpiece is driven to rotate at a constant speed through linkage, all-round uniform welding is achieved, and the welding seam consistency and the forming quality are remarkably improved; the operation efficiency is high, the clamping time is saved by 50% compared with that of a traditional mode, and an automatic welding unit can be expanded. In addition, the device is good in structural rigidity, high in safety and low in maintenance cost, is particularly suitable for various and small-batch high-quality welding scenes, and has remarkable practical value and popularization prospects.

This invention discloses an integrated testing device and method for engineering pipelines. The method includes the following steps: Step 1: Obtaining the height position of the upper edge of the support roller using a visual sensing module; Step 2: Placing the pipe to be tested over the support roller, allowing it to suspend under its own weight; Step 3: Obtaining the initial visual image information of the pipe to be tested using the visual sensing module, acquiring the height positions of the upper and lower edges; Step 4: Rotating the support roller at a uniform speed, causing the pipe to rotate by an angle; Step 5: Once the pipe is stationary, obtaining the visual image information of the pipe to be tested using the visual sensing module, acquiring the height positions of the upper and lower edges; Step 6: Repeating steps 4 and 5; Step 7: Extracting information from the acquired visual image information, extracting key parameters of the pipe to be tested at various angular positions; Step 8: Integrating the key parameters and outputting the testing results.

The utility model provides safety protection equipment for water drilling operation, and relates to the technical field of drilling operation. Comprising a supporting frame, a first protective shell and a second protective shell, a bearing is arranged on the upper surface of a protective plate, a mud scraping plate is arranged on the inner side of a first gear ring, the mud scraping plate is in a right trapezoid rod shape, and a first gear is arranged at the output end of a first motor. The protection plate can be used for blocking broken stones and soil splashed in the drilling process, the broken stones and the soil splashed all around are prevented from entering a motor bearing or a sealing part, mechanical abrasion is accelerated, the mud scraping plate is designed to be in a right trapezoid shape, the attaching angle between the mud scraping plate and the protection plate is 75 degrees, and part of sludge attached to the small surface of the protection plate is effectively scraped when the mud scraping plate rotates; a first gear at the output end of a first motor at the top end of a mounting frame is in meshed connection with a first gear ring, operation of the first motor can make a scraper rotate at a constant speed, and it is prevented that sludge on the lower surface of the scraper is accumulated, and normal use of the protection plate is affected.

The invention relates to unequal-thickness roller shutter cloth, which has a thinner upper part and a thicker lower part, and is used for lifting a roller shutter driven by a rolling shaft. The window has the advantages that only by driving the reel to rotate and ascend and descend at a constant speed, the window can collect light from the upper part and shade light from the lower part when the window is semi-opened, and can collect light from the upper part and the lower part simultaneously when the window is fully opened. The movement mechanism of the lifting reel roller shutter is simplified, the cost is reduced, and the reliability is improved.

The utility model relates to the technical field of inductor processing, and discloses a coil winding device for inductor processing, which comprises a base and a bottom plate, one side of the base is provided with a driving wheel, the upper side of the driving wheel is provided with a winding ring, the upper side of the winding ring is provided with a fixed wheel and a wire pressing wheel, the winding ring is provided with a wire storage groove and a discharge notch, and the discharge notch is provided with a coil winding groove. A wire blocking ring is arranged at the position, located at the discharging notch, of the winding ring; a deflection frame and a driving motor are arranged on the upper side of the bottom plate, clamping wheels are arranged on the upper side of the deflection frame and the driving motor, the number of the clamping wheels is at least three, the clamping wheels correspond to the winding rings, and limiting rings are arranged on the lower sides of the clamping wheels. The winding ring is used for winding the copper wire, the driving motor controls the iron core to rotate uniformly, the coil of the iron core is uniformly wound, in the winding process of the winding ring, the bending of the copper wire is reduced, the surface of the copper wire is protected, the damage to the copper wire is reduced, meanwhile, the winding device is suitable for winding the fine copper wire, and the practicability and the reliability of equipment are improved.

The invention relates to the technical field of sunflower crossbreeding, and discloses a pollination auxiliary device for sunflower crossbreeding, which comprises a mounting mechanism, a barrel, a butt-joint disc fixed at the end part of the barrel, and a circular pollen brush arranged on the inner side of the butt-joint disc; the auxiliary mechanism comprises a rotating part used for driving the circular pollen brush to rotate at a constant speed to uniformly and lightly sweep the pollen on the female parent flower disc column head, a micro-vibration part used in cooperation with the rotating part to slightly vibrate the circular pollen brush to assist the pollen to fall off, and a filtering part used for filtering air entering the cylinder body. The pollination device has the beneficial effects that the rotating part can drive the circular pollen brush to rotate at a constant speed, the problem that the pollination effect is poor due to uneven smearing and unbalanced force during manual operation is avoided, the micro-vibration part can assist pollen to fall off, the pollen utilization rate is increased, the filtering part can filter air entering the cylinder, and the pollination effect is improved. Impurities, miscellaneous pollen and the like in the air are prevented from polluting target pollen, and the purity of cross breeding is guaranteed.

The utility model relates to paving machine technical field discloses a kind of building template paving machines of convenient feeding, including support frame and conveyer, the support frame bottom is provided with feeding adjusting mechanism, the movable discharging mechanism is arranged in the top of feeding adjusting mechanism, in use process, by the second motor work of being set, make worm rotate, it is convenient to adjust connecting plate position to meet the accurate subsequent placement of the operation of different size building template on conveyer, avoid to appear and place deviation situation, by the first motor work of being set, make connecting block rotate, it is convenient to realize the uniform rotation feeding of connecting seat, facilitate staff operation, avoid the increase paving efficiency while the occurrence of unexpected situation, by the third motor work of being set, make bidirectional screw rod rotate, it is convenient to adjust placement plate position, to meet the same center line position placement of different size building template.