9276 results about "Reducer" patented technology

The invention is suitable for the technical field of fault detection, and provides a fault detection method and device for a joint module and electronic equipment. The joint module comprises a motor, a speed reducer connected with the motor, a first encoder arranged between the motor and the speed reducer, and a second encoder arranged at the output end of the speed reducer. The fault detection method comprises the following steps: identifying a position difference between a rotor of the motor and an output shaft of the speed reducer based on the first encoder and the second encoder; and according to the position difference and a preset difference threshold value, whether the joint module has a fault or not is determined, and the difference threshold value is associated with the gear meshing clearance of the speed reducer. According to the embodiment of the invention, whether the joint module has a fault or not can be accurately detected.

The invention relates to the technical field of screening, and discloses an iron ore powder and antifreezing agent mixed screening device which comprises a rack, and the surface where the top of the rack is located is inclined; a first bearing seat is mounted on the rack, a roller with a rubber wheel surface is rotationally connected to the first bearing seat, a universal coupling is connected to the shaft end of the roller, a shaft rod is connected to the other end of the universal coupling, a speed reducer arranged on a second supporting seat is connected to the free end of the shaft rod, and the second supporting seat is connected with the rack; the speed reducer is driven by a first motor arranged on the rack, and the first motor and the speed reducer transmit power through belt transmission; a drum screen assembly used for improving the mixing uniformity of the iron ore powder and the anti-freezing agent is connected to the rolling wheel in a rolling mode, and mixed materials are discharged from screen holes of the drum screen assembly. Mixing, screening, conveying and cleaning are integrated, mixing uniformity is high, screening efficiency is excellent, operation and maintenance are convenient and fast, and the requirement for mixing and screening of iron ore powder and an anti-freezing agent is met.

Provided is an electric heavy-load push-pull tool including a power input unit, a power conversion unit and a power output unit. Through the transmission design of multiple stages of reducers and a planetary roller screw of a downhole operation tool, low-speed and high-torque power output of the motor is realized. The heavy-load push-pull tool provided by the present disclosure can not only provide large-torque thrust force, but also provide large-torque pulling force. A forward direction of a transmission nut is based on a rotation direction of a motor. By controlling the forward rotation or reverse rotation of a transmission shaft of the motor, the forward or backward movement of an operation tool can be realized at low cost through power transmission.

The invention discloses a double-stator single-rotor planetary reduction type joint module which comprises a hollow shaft, a driver assembly, an axial magnetic flux motor, a planetary reducer and an output shaft, and the driver assembly, the axial magnetic flux motor and the planetary reducer are sequentially arranged on the hollow shaft in the axial direction; the axial magnetic flux motor comprises a rotor assembly and two stator assemblies. The two stator assemblies are symmetrically arranged on the two different sides of the rotor assembly in the axial direction. The rotor assembly comprises a rotor supporting plate and a plurality of magnetic steels, and the plurality of magnetic steels are circumferentially distributed on the rotor supporting plate; the stator assembly comprises a stator iron core and a plurality of stator windings, the stator iron core comprises a yoke part iron core and a plurality of tooth part iron cores, and each stator winding is wound on the corresponding tooth part iron core. According to the joint module, wiring can be facilitated, the integration level can be improved, the torque density of the joint module is effectively improved, and the heat dissipation performance is good.

The invention discloses a self-balancing type light steering wheel for complex terrains. The self-balancing type light steering wheel comprises a wheel carrier, a steering assembly, a driving assembly and a suspension system. The steering assembly drives tires to steer through a motor via a three-stage gear pair. The driving assembly drives tires through a motor and a speed reducer; the suspension system is connected between the driving mounting plate and the wheel carrier and comprises a parallel connecting rod mechanism and symmetrically arranged spring suspension units, self-adaptive buffering is achieved through a compression spring and a fisheye knuckle bearing, and it is ensured that the tire continuously touches the ground on a rugged road surface; the driving speed reducer is integrated in the tire, the driving motor is arranged between the wheel carrier and the tire, and the whole steering assembly does not exceed the turning radius of the tire. The device is compact in structure, has good terrain adaptability and motion stability, and is suitable for an outdoor mobile robot system.

The utility model discloses a premixing tank for carbon nano tube conductive slurry, which comprises a cooling jacket, a kettle body is arranged in the cooling jacket, a stirring support, a liquid feeding hole, a powder feeding hole and a spraying ball assembly are arranged at the upper part of the kettle body, a stirring device is arranged in the kettle body, the stirring device comprises a low-speed helical ribbon stirrer and a high-speed shearing stirrer, a stirring shaft of the high-speed shearing stirrer penetrates through a hollow shaft of the low-speed helical ribbon stirrer and is directly connected with the high-speed driving motor, and the hollow shaft of the low-speed helical ribbon stirrer is driven by the low-speed driving motor and the speed reducer. The premixing tank solves the problems of agglomeration of carbon nanotube powder, inconsistent upper and lower uniformity, material adhesion on the kettle wall, uneven overall temperature and the like in the existing mixing tank, effectively avoids uneven mixing caused by long-term adhesion of the material on the kettle wall, can scrape off the material adhered on the kettle wall when discharging the material, reduces material residues, and improves the production efficiency. And the device can be widely applied to mixing occasions of carbon nanotubes and other slurries.

The invention relates to the technical field of speed reducers, in particular to a multi-stage coaxial speed reducer which comprises an outer cylinder, a first-stage gear ring and a second / third-stage gear ring are arranged in the outer cylinder, and a first-stage speed reducer, a second-stage speed reducer and a third-stage speed reducer are sequentially arranged in the outer cylinder. The first-stage planet carrier framework is axially fixed, and the second-stage planet carrier framework and the third-stage planet carrier framework axially float; gaskets / thrust bearings are arranged between stages to achieve axial supporting and friction reduction, and the last-stage three-stage planet gears adopt staggered-tooth gears to eliminate meshing clearances. Through the coaxial compact integrated design, the large reduction ratio and the compact structure are both considered; due to the lubricating circulation design of inter-stage antifriction supporting and self-adaptive rotating speed, the friction loss is greatly reduced, and the transmission efficiency is improved; the structure of staggered tooth clearance eliminating, elastic buffering and shaft system stabilizing effectively reduces gear abrasion and impact loads, remarkably prolongs the service life, has the advantages of being high in transmission precision, fast in response and stable in operation, and can be used for precise transmission, automobile active stabilizer bars and other scenes.

The invention discloses a new energy automobile speed reducer efficiency optimization system based on multi-physics field coupling, and belongs to the technical field of new energy automobiles. The system constructs a structure-heat-fluid multi-physics field intensity coupling simulation model: firstly, the structure-heat model calculates friction heat generated by gear engagement based on a finite element method; then, the heat source is input into a heat-fluid sub-model to calculate a whole machine temperature field and oil stirring loss; the key point is that the temperature field can perform bidirectional feedback to update material attributes, lubricating oil viscosity and thermal deformation in real time, and a high-fidelity coupling solution is obtained through iterative solution. Based on the precise model, the system adopts intelligent optimization methods such as a genetic algorithm to carry out iterative optimization on variables such as gear parameters or lubricating oil viscosity, and outputs a design combination enabling the comprehensive efficiency to be optimal. According to the invention, the strong coupling effect among force-heat-fluid is accurately simulated, the deviation of traditional decoupling analysis is overcome, and the efficiency of the speed reducer and the energy efficiency of the whole vehicle can be systematically improved.

The invention provides an assembling and meshing precision adjusting method for a harmonic reducer, and relates to the technical field of reducers, the harmonic reducer comprises a flexible gear and a rigid gear with specific tooth profiles, and the tooth profile of the flexible gear comprises a first arc tooth top and a first arc tooth root; the tooth profile of the rigid gear comprises a second planar tooth top, transition arcs located at the vertex angles of the two sides of the second planar tooth top and a second arc-shaped tooth root. The elliptical wave generator is used for driving the flexible gear; the wave height of the wave generator is defined as the difference between a long half shaft and a short half shaft; the method comprises the following steps: acquiring a tooth profile parameter set of a flexible gear and a rigid gear, wherein the tooth profile parameter set comprises a first tooth crest arc radius, a first tooth root arc radius, a second tooth crest plane width and a second tooth root arc radius; based on the tooth profile parameter set, according to a preset matching relation used for optimizing the meshing performance, cooperatively determining a target wave height matched with the tooth profile parameter; and according to the target wave height, a corresponding wave generator is selected to complete the assembly of the harmonic reducer.

The invention relates to an automatic press-fitting system for a rotor and a spline shaft, which is characterized in that a laser sensor is used for detecting the reflected light intensity difference of a tooth crest and a tooth groove, and a PLC (Programmable Logic Controller) calculates the angular deviation of the spline shaft in real time based on a difference signal and generates a rotation instruction; after receiving the instruction, the servo motor drives the spline shaft to adjust at a certain increment angle; the suction cup tool sucks the rotor end face through a vacuum suction cup and moves to the position coaxial with the spline shaft; and the servo press drives the rotor to press with constant pressure, the PLC synchronously analyzes the press-in force and displacement, when the displacement reaches a preset range, it is judged that meshing succeeds, and when the displacement does not reach the preset range, it is judged that tooth crest interference occurs, and a reverse rotation correction process is triggered. The system can realize high-precision angle detection and dynamic correction, improves the one-time success rate of engagement of the spline shaft and the rotor, is suitable for precision assembly scenes such as a new energy automobile electric drive system and an industrial speed reducer, effectively reduces the manual intervention cost, and improves the production takt time stability.

The invention discloses a double-rotor single-stator planetary speed reduction type joint module which comprises a hollow shaft, a driver assembly, an axial magnetic flux motor, a planetary speed reducer and an output shaft, and the driver assembly, the axial magnetic flux motor and the planetary speed reducer are sequentially arranged on the hollow shaft in the axial direction; the axial magnetic flux motor comprises a rotor support, a stator assembly and two rotor assemblies, the two rotor assemblies are symmetrically arranged on the two different sides of the stator assembly in the axial direction respectively, and the two rotor assemblies are in transmission connection with the power input end of the planetary reducer through the rotor support. The power output end of the planetary reducer, the output shaft and the hollow shaft are in transmission connection in sequence; the stator assembly comprises a plurality of stator units which are circumferentially arranged; each of the two rotor assemblies comprises a rotor supporting plate and a plurality of magnetic steels. Wiring arrangement of the joint module can be facilitated, the integration degree is improved, and the torque density of the joint module is effectively improved.

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 relates to the field of mechanical engineering, discloses a speed reducer multi-field loss balancing method and system based on working condition self-adaptive feedback, and aims to solve the problems of local loss concentration, intensified temperature rise and low energy efficiency caused by neglect of a multi-physical field coupling relation in the prior art. The method comprises the following steps: acquiring mechanical, thermal, fluid and electromagnetic parameters in operation of the speed reducer through a distributed sensor, and generating a standardized working condition state vector; and inputting into a mechanical-thermal-fluid-electromagnetic four-field coupling model, and solving the space-time loss distribution of the key component by combining with a data driving correction term. According to the scheme, refined prediction and closed-loop regulation and control of multi-field loss distribution are achieved, the local temperature difference and energy consumption concentration are remarkably reduced, the energy efficiency of the whole machine is improved by 8%-15%, the service cycle is prolonged, and the method is suitable for a high-end equipment transmission system under the high-dynamic heavy-load working condition.

The utility model provides a double-rigid-gear harmonic speed reducer with a torque sensing function, which relates to the technical field of speed reducers and comprises a wave generator, a flexible bearing, a flexible gear, an output end rigid gear, a crossed roller bearing and a fixed end rigid gear. The crossed roller is arranged between the bearing outer ring and the output end rigid wheel, the output end rigid wheel serves as an inner ring of the crossed roller bearing, and the fixed end rigid wheel is detachably and fixedly connected with the bearing outer ring; the two end faces of the fixed end rigid wheel are each provided with a receding groove coaxial with the fixed end rigid wheel, a connecting wall is formed between the bottoms of the two receding grooves, and a plurality of strain gauges arranged in a circumferential array mode are installed at the position, close to one side of the output end rigid wheel, of the bottom of the receding groove. The elastic strain gauge is embedded in the rigid fixed end rigid wheel, so that the fixed end rigid wheel has a torque sensing function, the axial thickness of the harmonic speed reducer is not increased, and the use requirements of more occasions are met.

The utility model provides a high-precision microfluidic electrically operated valve, which relates to the technical field of valves, and comprises a gear box, two gear sets are arranged in the gear box, a power input assembly is arranged at the bottom of one gear set, the power input assembly comprises a speed reducer and a servo motor, the servo motor is arranged at the bottom of the speed reducer, and the servo motor is arranged at the bottom of the speed reducer. The power input assembly drives the two gear sets to move, then the direction of force is modified, then the force is transmitted to the linear displacement assembly, the linear displacement assembly changes the direction of the force from rotating motion to linear motion to push the valve needle body, and the multi-sensor assembly is responsible for sensing the stress condition and the displacement amount of the control valve assembly. The opening degree of the valve is controlled to realize micro flow control and prevent the needle valve body from being damaged by too large force.

The utility model relates to a coal gangue recycling treatment device, and belongs to the technical field of mixing and stirring equipment. Feeding devices are fixedly arranged at the four corners of the upper portion of the stirring barrel, a left net rack with side hooks is movably hung below the feeding devices and above the stirring barrel, a right net rack is movably arranged on one side of the left net rack through a positioning hinge, and a lifting handle is fixedly arranged on the right net rack; the lower part of the side hook is movably contacted with an inductive switch; the inductive switch is fixed on the outer side surface of the mixing drum; coal gangue powder fed from the feeding device is filtered by the left net rack and the right net rack and then falls into the stirring barrel, the motor with the speed reducer drives the main shaft and the spiral blade to conduct mixing and stirring, and the right end of the bottom of the stirring barrel is provided with the discharging port and the discharging device so that the flow can be controlled. Four groups of moving wheels are fixedly arranged at the bottom of the support frame, so that the device is convenient to transport and move; the control switch is connected with the motor, the gear motor and the inductive switch through power lines, unified control is achieved, and operation is safe.

The invention provides a pipe jacking construction pushing frictional resistance prediction method considering on-way loss of a drag reducer, and relates to the technical field of constructional engineering. The method comprises the following steps: judging a pipe-soil slurry contact state; calculating the pipe-soil contact pressure; calculating the pipe-soil frictional resistance according to the pipe-soil contact pressure and the contact width; obtaining the initial thickness of the slurry sleeve and calculating the pressure drop ratio per unit length of slurry; according to the pressure drop ratio and the initial thickness of the slurry sleeve, the thickness of the slurry sleeve changed along the way in the pushing process is calculated; calculating pipe slurry sliding frictional resistance according to the thickness of the slurry sleeve; according to the pipe soil frictional resistance, the pipe slurry sliding frictional resistance, the pipeline radius and the contact width, the pushing frictional resistance is calculated; and if the predicted pushing frictional resistance exceeds an expected value, the grouting pressure is corrected. According to the method, on-way changes of drag reducer pressure and drag reducer thickness in pipe jacking construction are considered, a unit length pipe joint three-dimensional frictional resistance calculation formula considering longitudinal drag reduction attenuation is established, and compared with actual measurement results, the error of the method is only 3% and is far lower than that of a traditional means.

The invention relates to the technical field of gear detection, and discloses a gear fatigue damage monitoring method and system based on a GCM counting method.The method comprises the steps that the input torque of a main speed reducer is obtained by calculating automobile running resistance, and tooth surface contact stress is obtained by combining gear geometric parameters and the Hertz contact theory; dividing stress into m grades, dividing a monitoring period into k time windows, and counting the cycle index of each stress grade to construct a GCM matrix; and correcting the stress into symmetric cyclic stress by adopting a Goodman criterion, calculating fatigue damage of each grade according to the S-N curve of the material, accumulating to obtain a total damage value, judging fatigue failure when the total damage exceeds a threshold value, and otherwise, calculating the residual cycle life. According to the method, accurate evaluation and early warning of the fatigue life of the main reducer gear can be realized, and the reliability and the safety of an automobile transmission system are improved.

The invention discloses precise honing equipment for a planetary reducer sun gear, and particularly relates to the field of sun gear finish machining, the precise honing equipment comprises a honing shell and an operation table fixedly connected in the honing shell, an angle adjusting assembly is installed on the operation table, and the output end of the angle adjusting assembly is connected with a first motor; the angle adjusting assembly is used for driving the first motor to move in the preset direction, the output end of the first motor is fixedly connected with a telescopic rod, the first motor is used for driving the telescopic rod to rotate, the telescopic rod is fixedly connected with a honing wheel, and the two sides of the operation table are fixedly connected with a first positioning support and a second positioning support correspondingly. Uniform radial expansion clamping is carried out from the inner hole of the sun gear through a conical rod-expansion block mechanism, centering clamping with the inner hole of a workpiece as the standard is achieved, clamping deformation is greatly reduced, the original precision of the workpiece is ensured, a reliable standard is laid for subsequent high-precision honing, and the yield is increased.

The invention relates to the technical field of logistics warehouse storage equipment, in particular to a speed reduction control method for a high-speed motor driven hydraulic system, which comprises the following steps: S1, the output torque of a high-speed motor is transmitted to a gear pump through a motor shaft, a planetary reducer and a planet carrier in sequence to drive the gear pump to work; s2, acquiring a three-phase current instantaneous signal and a direct current bus voltage signal, and performing preprocessing and frequency spectrum conversion to determine a current frequency spectrum; s3, in the current frequency spectrum, extracting an energy value in a preset frequency band with the meshing frequency and harmonic waves of the planetary gear as the center, and calculating to obtain a disturbance characterization value of the planetary gear; s4, determining a torque smooth adjustment coefficient according to the planet wheel disturbance characterization value; and S5, dynamically adjusting a dynamic response parameter of a torque control ring of the high-speed motor according to the torque smooth adjustment coefficient. The problems that in the prior art, a high-rotating-speed motor and a hydraulic pump are not matched in rotating speed, and mechanical disturbance is difficult to restrain are solved.

The invention provides a knuckle module and a dexterous hand. The knuckle module comprises a first knuckle section, a motor, a control circuit board, a reversing mechanism and a speed reducer, wherein the motor and the control circuit board are arranged in the first knuckle section, and the reversing mechanism and the speed reducer are arranged in the end portion of one end of the first knuckle section. The direction of an output shaft of the motor is parallel to the length direction of the first knuckle section, the direction of an output shaft of the speed reducer is perpendicular to the direction of the output shaft of the motor, and the reversing mechanism is arranged between the motor and the speed reducer and used for converting rotation of the output shaft of the motor into rotation of an input shaft of the speed reducer. The control circuit board is arranged at the end, away from the reversing mechanism, of the motor and electrically connected with the motor. According to the knuckle module provided by the invention, the use requirements of light weight and miniaturization of finger joints can be met, the motion control precision of the finger joints is greatly improved, meanwhile, modularization is realized, a plurality of knuckle modules can be stacked to be connected into a finger, and the knuckle module is convenient to disassemble and assemble and easy to maintain.

The invention discloses a long-service-life composite heat treatment method for a harmonic reducer flexible gear made of an SNCM439 material, belongs to the technical field of long-service-life manufacturing of harmonic reducers, and solves the problem that the service life of the harmonic reducer flexible gear is short. According to the method, a flexible gear made of an SNCM439 material is subjected to a composite heat treatment method of secondary normalizing, quenching, deep cooling and tempering, and the specific process method is as follows: the primary normalizing temperature is 870-890 DEG C, the heat preservation time is 50-70 minutes, and air cooling is performed; the secondary normalizing temperature is 850-870 DEG C, the heat preservation time is 50-70 min, and air cooling is carried out; the quenching temperature is 830-850 DEG C, the heat preservation time is 50-70 min, and oil cooling is conducted; the subzero treatment temperature is-70 DEG C to-90 DEG C, and the heat preservation time is 110-120 min; the tempering temperature is 490-510 DEG C, and the heat preservation time is 120-140 minutes.

The utility model belongs to the technical field of cake decorating machines, and particularly relates to a cake processing decorating machine with a lifting mechanism, which comprises a machine frame, a machine door is arranged on the front side of the machine frame, and a machine cover is arranged on the back side of the machine frame. According to the scheme, by arranging the brake motor, the worm and gear lifter, the guide column, the linear bearing and other structures, the rotating panel shaft can be driven to ascend and descend, the position of a cake can be adjusted for use, under the action of the gear motor, the speed reducer and other structures, the rotating panel shaft can be driven to rotate so as to drive the cake to rotate, follow-up pattern mounting operation is facilitated, and the production efficiency is improved. Through the arrangement of the gear motor, the stirring roller, the filling pump, the hopper and other structures, materials such as cream can be effectively conveyed, the position of the dynamic nodding nozzle can be adaptively adjusted in cooperation with the arrangement of the first air cylinder, the second air cylinder, the movable clamping plate, the straight pipe welding piece and other structures, and dynamic pattern mounting operation can be conveniently conducted on cakes so as to meet different pattern requirements.

The invention discloses a robot joint module with a flexible element and double encoders for torque measurement, and belongs to the technical field of robots. The joint module mainly comprises a motor, a harmonic reducer, a flexible link and two encoders mounted at the two ends of the flexible link respectively. Wherein the motor and the speed reducer are used for providing power for driving the joint module to rotate; a three-layer structure flexible link is arranged at the output end of the joint module, a rubber ring with a plurality of petal bodies designed in the circumferential direction is adopted in the middle layer, and the petal bodies are arranged between the adjacent joints in the joints designed on the upper layer and the lower layer respectively, so that the flexible link can generate tiny elastic deformation when the joint is stressed, external impact can be absorbed, and the joint can be protected from being damaged. Meanwhile, the encoders at the two ends of the flexible link are used for detecting the relative rotation angle change of the flexible link, so that the torque of the output end of the joint is obtained, and the torque observation function is achieved. Compared with a common planetary reducer, the planetary reducer has higher transmission precision, smaller return difference and more compact size.

The invention discloses a low-noise stable planetary gear speed reducer, and relates to the technical field of speed reducer equipment. Comprising a main body mechanism, the main body mechanism comprises a main body bin, a front cover is fixedly buckled on one side of the main body bin, and a rear cover is fixedly buckled on the other side of the main body bin; a gear ring is fixedly connected to the middle of the inner wall of the body bin. A discharging assembly is arranged on the lower wall of the body bin. A tailstock mechanism is arranged on one side of the main body mechanism; an oil conveying mechanism is arranged on the other side of the main body mechanism; an oil injection assembly is arranged between the main body mechanism and the tailstock mechanism, the oil injection assembly comprises an oil tank mechanism, and nozzle mechanisms inserted into the main body bin are uniformly communicated with the oil tank mechanism at equal intervals; the oil tank mechanism comprises an oil tank, a tank cover is fixedly buckled to one side of the oil tank, the tank cover is fixedly connected with a rear cover, an input assembly is arranged on one side of the upper wall of the oil tank, impurities hidden in tooth seams can be flushed out and flow out along with leaked oil, and the impurity removing performance is improved.

The invention relates to the technical field of building material processing, in particular to a granulation processing device for a polycarboxylate superplasticizer and an assembly thereof.The granulation processing device comprises a base, first supporting plates are fixedly connected to the four corners of the top of the base, second supporting plates are fixedly connected to the inner sides of the first supporting plates, and a light barrel is fixedly connected to the inner wall of each second supporting plate; an outer gear ring is fixedly connected to the surface of the light barrel, and a cooling component is arranged on the front side of the second supporting plate. According to the invention, the efficient and uniform granulation process is realized through the innovative mechanical linkage design, the device adopts a rotary cooling and self-cleaning integrated structure, the light barrel body is driven by the motor to rotate, and meanwhile, the condensation ring reciprocates up and down along the barrel wall to form a dynamic cooling effect, so that the uniform and stable temperature of materials is ensured, and the material discharge stage is stable. Falling materials drive the impeller to rotate, the composite material cleaning ring is driven by the gear and rack mechanism to scrape the barrel wall up and down, and residual materials are effectively removed.

The utility model provides a flexible gear, a harmonic reducer, a mechanical arm and automatic cleaning equipment, the flexible gear comprises a gear body and a connecting part, the connecting part is arranged on the gear body, and the connecting part protrudes out of the surface of the gear body. The flexible gear is provided with the gear body and the connecting part protruding out of the surface of the gear body, so that the problem of shrinkage during injection molding of the connecting hole in the prior art is solved, and the defects of insufficient injection molding filling and the like of the tooth shape caused by shrinkage of the connecting hole are effectively overcome, so that the transmission precision is improved, and the flexible gear can stably and accurately transmit power in the transmission process; and the flexible gear can be more easily integrally formed by adopting an injection molding process, so that the yield is improved. And by arranging the multiple connecting columns, stress can be dispersed, and connection between the flexible gear and the torque output carrier is more stable and reliable. Compared with the mode that a connecting hole is formed in the flexible gear in the prior art, the flexible gear in the embodiment is higher in overall strength, and the service life of the harmonic reducer can be prolonged.

The utility model relates to the technical field of high-precision aluminum plate production and processing, and discloses a high-precision aluminum plate quenching device with a rotating structure, which comprises a device bottom cylinder, and a top frame is fixedly arranged at the top end of the device bottom cylinder. When the high-precision aluminum plate quenching device with the rotating structure is used, after a high-precision aluminum plate is clamped and fixed in the fixing frame, a hydraulic cylinder is controlled to start to drive a mounting seat to move downwards, the high-precision aluminum plate is placed in a bottom cylinder of the device to be cooled and quenched, and meanwhile, a servo motor can be controlled to start to drive a worm to rotate by utilizing a speed reducer; when the worm rotates, the meshed worm gear can be used for driving the connecting shaft to rotate, and the connecting shaft can drive the connecting seat and the aluminum plate at the bottom to rotate while rotating, so that the aluminum plate can be in uniform contact with low-temperature cooling liquid in the bottom cylinder of the device, the cooling efficiency of the aluminum plate is improved, and a high-precision aluminum plate workpiece can be conveniently and efficiently cooled; the problem that efficient cooling of a high-precision aluminum plate workpiece is inconvenient is solved.

The invention relates to the technical field of harmonic reducers, and particularly discloses a modular harmonic reducer for humanoid robot joints and an assembly process thereof, and the modular harmonic reducer comprises a mounting shell, a reducer body, a base plate and a first limiting piece; the mounting shell is provided with a containing cavity for containing the speed reducer body, the wall body of the mounting shell is provided with an assembly hole penetrating in the axial direction of the mounting shell, the speed reducer body comprises a flexible gear, a rigid gear and a wave generator, and the first limiting piece is provided with an annular limiting boss used for fixing an external bearing. A motor shaft of an external driving motor is connected with the wave generator of the speed reducer body in a matched mode through a bearing and the annular limiting boss. The speed reducer further comprises a quick-release connecting piece, the speed reducer body is arranged in the mounting shell, the quick-release connecting piece penetrates through the assembly hole and is connected with the base plate to limit the speed reducer body between the mounting shell and the base plate, and the base plate is arranged between an external driving motor and the mounting shell.

The invention discloses an automatic assembling mechanism for railway track fastener nuts, and belongs to the technical field of automatic assembling equipment. The mechanism comprises a mechanical arm, a nut assembling mechanism, a power transmission device, a propelling device, a connecting seat and a visual device, the nut assembling mechanism is composed of a compliant device and a magnetic attraction device, the tail end of a mechanical arm is fixed through a connecting base, a visual device recognizes the position of a fastener in real time and guides the mechanical arm to be positioned, a servo motor transmits torque through a speed reducer and a telescopic universal connecting assembly, nut screwing is achieved, and the compliant device absorbs assembling errors and adapts to the posture. The magnetic attraction device is used for adsorbing and fixing the nut; the six-dimensional force sensor is used for monitoring and feeding back torque in real time; the control system is used for adjusting pre-tightening force; the propelling device is used for applying axial thrust; the device can realize automatic identification, positioning, tightening and pre-tightening control of the nut, and is suitable for various sleeper structures and complex track working conditions.