3012 results about "Epicyclic gearing" patented technology

The invention discloses a motor-clutch time division multiplexing driving system for a rope-driven dexterous hand. The motor-clutch time division multiplexing driving system comprises a driving box, a plurality of rope-driven mechanisms and a plurality of dexterous fingers, wherein the rope-driven mechanisms and the dexterous fingers are arranged on the driving box; the rope driving mechanism comprises a power unit, a worm and gear unit and a guide unit. The power unit uses a sun gear to drive a plurality of planetary gears, and an electromagnetic clutch outputs power to the worm and gear unit; the plurality of worm and gear units are respectively used for controlling the winding and unwinding of the plurality of driving ropes; the plurality of guide units respectively guide the plurality of driving ropes to the same rope-driven rotating joints of the plurality of dexterous fingers; different rope-driven rotating joints of the dexterous fingers are controlled by different rope-driven mechanisms, and the same rope-driven rotating joint of the multiple dexterous fingers is controlled by the same rope-driven mechanism. According to the scheme, the fast switching characteristic of the electromagnetic clutch is ingeniously utilized, and driving control over multiple degrees of freedom by a single motor is achieved.

The invention discloses a humanoid robot and a shank structure thereof. The shank structure comprises a knee frame, a foot plate, a driving assembly and a cam; the foot plate is rotatably connected to the knee frame around the X axis; the knee frame is provided with a rotating seat; the inner shaft is rotationally connected to the rotating seat around the Y axis; the fixing sleeve is rotatably mounted on the inner shaft; the driven planetary gears are meshed with the driving planetary gears on the two sides; one end of the side shaft is limited to the fixing sleeve, and the driven planetary gear is rotationally arranged on the side shaft in a sleeving mode. The upper end of the connecting rod is rotatably connected to the connecting seat, and the lower end of the connecting rod is rotatably connected to the foot plate; when the cams at the left and right positions rotate towards the same direction, the connecting seat drives the foot plate and the knee frame to rotate around the Y axis through the connecting rod; when the cams at the left and right positions rotate in opposite directions, the connecting seat rotates around the side shaft and drives the foot plate to rotate around the X axis relative to the knee frame through the connecting rod. According to the scheme, more flexible gait control can be achieved, and the problem that the weight burden of shanks is too heavy due to a direct drive mode in a traditional system is solved.

The invention provides a compound uniform-load and shunt load shedding type planetary gear gearbox with a face gear. The compound uniform-load and shunt load shedding type planetary gear gearbox comprises an input planet carrier integrated assembly, a first-stage compound uniform-load planet row, an inter-stage flexible connection structure, a second-stage planet row and a face gear steering output assembly. The input planet carrier integrated assembly is connected with the first-stage compound uniform-load planet row, the inter-stage flexible connection structure is arranged between the first-stage compound uniform-load planet row and the second-stage planet row, and a first-stage floating sun gear in the first-stage compound uniform-load planet row and the main shaft planet carrier structure are coaxially arranged. The first-stage floating sun gear is installed in a floatable mode through a first-stage sun gear supporting shaft, self-adjustment can be achieved in the radial direction and the axial direction, and the first-stage floating sun gear is meshed with the first planet gear and the second planet gear in a double-side mode. The energy conversion efficiency can be improved, uneven load distribution is improved, and the system integration degree is improved.

Apparatus and methods relate to a gear reducer, which may be used downhole to reduce rotational speed output from a downhole motor, such as a turbine motor, to a slower speed desired for rotation of a drill bit. The gear reducer includes a planetary gear arrangement coupled to receive rotational input from the downhole motor and a cycloidal gear arrangement driven by rotation resulting from the planetary gear arrangement. An output shaft couples to the cycloidal gear arrangement and rotates during operation slower than the rotational input from the downhole motor.

The invention relates to the technical field of internal spline machining, in particular to an internal spline high-precision machining method and device suitable for a planetary gear, and the method comprises the steps that periodicity measurement and a trend line function are obtained; obtaining a cutting force fluctuation coefficient and a cutting influence coefficient of each time of internal spline machining; and on the basis of the cutting influence coefficient, obtaining the particle weight of each particle in the particle swarm optimization algorithm and the updated inertia weight of each iteration, and performing high-precision machining on the internal spline of the planetary gear. The machining precision of the internal spline of the planetary gear is improved.

The invention relates to the technical field of planetary gear machining equipment, and discloses a planetary gear machining device with a bidirectional feeding mechanism, which mainly comprises a planetary gear machining machine tool machining table for bearing machining operation, and a conveying mechanism for conveying planetary gear blanks, the bidirectional feeding mechanism is used for realizing bidirectional precise feeding; the conveying mechanism is arranged between machining tables of the planetary gear machining machine tool and used for achieving long-distance conveying of blanks. Two-way operation of blank feeding and finished product discharging can be achieved through the feeding robot of the two-way feeding mechanism, manual intervention is not needed, the blanks on the conveying belt are accurately transferred to the machining table, the finished products are transferred to the designated position after machining is completed, and automation of the whole process is achieved; the mechanical arm of the feeding robot is flexible and controllable and can be matched with the rotating shaft to meet the grabbing and transferring requirements of different angles, the feeding path is accurate, the feeding time is greatly shortened, and the batch production efficiency is improved.

The invention relates to an electric operating device for a manual valve. The electric operating device comprises a small diesel generating set used for providing a power source, a motor, a planetary gear transmission module, an adjustable fixing disc and a control device, wherein the small diesel generating set supplies power to the motor so as to provide operating power; an adjustable base is arranged at the bottom of the motor, an output shaft of the motor is connected with a sun gear of the planetary gear transmission module, a gear ring of the planetary gear transmission module is meshed with a first planet gear and fixed to the adjustable base, and a first planet carrier of the planetary gear transmission module is connected with an adjustable fixing disc. The adjustable fixing disc is detachably installed on a manual operation door wheel of the valve and used for operating a valve switch. The control device is used for starting and stopping the small diesel generator set and the motor, the problem of energy dependence can be solved, and the first-aid repair efficiency is greatly improved. And meanwhile, the problem that a motor is burnt or gear teeth are broken due to rusting and jamming of a field valve is solved.

The invention relates to the field of gear machining equipment, and discloses inner hole grinding equipment for wind turbine generator gearbox planetary gear manufacturing, which comprises a shell and a grinding rod mounted in the shell, a mounting assembly is arranged at the upper end of the interior of the shell, and a clamping assembly is arranged at the upper end of the mounting assembly. The inner hole grinding equipment comprises a shell, a clamping assembly is arranged on one side of the shell, a detection assembly is arranged on one side of the clamping assembly, and the mounting assembly can be used for mounting the clamping assembly and the detection assembly and also can be used for adjusting the position of the clamping assembly and the detection assembly in the shell. According to the gear grinding device, the flatness of the end face of each gear can be detected, whether a pit, a protrusion and deformation exist in a grinding rod and whether a rotating shaft is horizontal or not are detected before each time of machining, therefore, the perpendicularity of the end face and an inner hole can be guaranteed, the situation of excessive grinding or not in place grinding is prevented, the use amount of cooling liquid can be reduced, and the installation space can be saved.

The invention discloses a face gear planetary transmission system dynamic uniform load test platform and test method, and belongs to the field of gear transmission, and the test platform comprises a rack, a drive motor, a step-up gear box, a face gear planetary transmission system, a magnetic powder brake, a torque sensor, a slip ring, a stress strain test system and the like. The face gear planetary transmission system comprises an input face gear, a planet wheel, a planet carrier, a fixed face gear and the like. According to the dynamic uniform load test, stress values at the tooth root of the face gear and the tooth root of the planetary gear are measured mainly through strain gauges, and the corresponding relation between the tooth root stress and the meshing force at the gear meshing point is obtained through finite element simulation. And calculating the dynamic uniform load coefficient according to the dynamic meshing force root-mean-square values and the average values obtained at the tooth roots of the face gear and the planetary gear. By testing and analyzing the dynamic uniform load coefficient, the load distribution characteristic of the face gear planetary transmission system can be accurately revealed, a scientific basis is provided for structural parameter optimization, meshing performance improvement and reliability design of the face gear planetary transmission system, and then accurate and high-performance design of the transmission system is achieved.

A digital power take-off system includes an input shaft and an output shaft connected to a planetary gear. An actuator is mechanically coupled to the planetary gear to mechanically control a rotational speed of the output shaft. An output shaft sensor detects the output shaft rotational speed. Controller circuitry receives a desired output shaft rotational speed, receives the output shaft rotational speed from the output shaft sensor, and determines a difference between the rotational speeds. The controller circuitry outputs an operating parameter, based on the determined difference, to the actuator such that the actuator modifies a gear ratio of the planetary gear to maintain the desired output shaft rotational speed over a range of input shaft rotational speeds.

An electric propulsion system for a vertical take-off and landing (VTOL) aircraft having a heat exchanger to cool fluids used in an electrical engine, the electric propulsion system comprising at least one electrical engine mechanically connected directly or indirectly to a fuselage of the VTOL aircraft and electrically connected to an electrical power source. The electrical engine may comprise an electrical motor having a stator and a rotor; a gearbox assembly comprising a sun gear; at least one planetary gear; a ring gear; and a planetary carrier. The electric engine may include an inverter assembly comprising a thermal plate and an inverter assembly housing; an end bell assembly that is connected to the thermal plate of the inverter assembly; and a heat exchanger comprising an array of cooling fins and tubes.

In a left-right wheel drive device (10) that accommodates, in a casing (4), two electric motors (1, 2) spaced apart from each other and a planetary gear mechanism (3) arranged so as to be offset on a first side in an axial direction, a pair of motor shafts (11), a pair of counter shafts (12), and two output shafts (13, 14) are arranged in parallel. The first output shaft (13) is arranged on the first side from the planetary gear mechanism (3) and is fixed with a carrier (3C) at an end portion of a second side thereof. The second output shaft (14) is longer than the first output shaft (13) and is fixed with the second sun gear (3S2) at an end portion on the first side thereof. The second output shaft (14) is rotatably supported by roller bearings (35, 36) at the end portion on the second side and a position on the second side from a driven gear meshing with the second counter gear.

The present invention relates to the technical field of tractors. Disclosed are a hybrid system and a tractor. The hybrid system comprises an engine, a generator, a battery, a driving motor, a power output device, a rear axle, a brake, a first gear shifting device and a power transmission module, wherein the power transmission module comprises a planet gear assembly, a first transmission assembly, a second transmission assembly and a third transmission assembly. An output shaft of the engine is connected to the power output device, the driving motor is in transmission connection with a sun gear, the sun gear is in transmission connection with a planet gear, the planet gear is in transmission connection with a ring gear, and a planet carrier is connected to the planet gear. The engine is connected to the generator, the brake is arranged on the ring gear, and the generator is in transmission connection with the ring gear by means of the first gear shifting device. The planet carrier is connected to the rear axle, the generator is connected to the battery, and the battery is connected to the driving motor. The hybrid system disclosed by the present invention is a simplified system, and saves on costs.

The invention discloses a global cost optimization method based on deep-sea mining operation system safety. The method comprises the following steps: determining design parameters of each system based on global cost optimization and a coupling relationship between the systems; materials are selected based on light load-stability, a self-cleaning nozzle is carried, and a crawler walking system is optimized; a two-way hydraulic-pneumatic energy conversion mechanism is used for optimizing a buoyancy compensation system; a hybrid power efficiency optimization algorithm is adopted to optimize a water surface support system based on a safety burden mitigation technology; a planetary gear is used for amplifying torque, and an electrolyzed water trigger type release mechanism is adopted in the laying and recycling process, so that a laying and recycling system is optimized; based on the principle of low energy consumption, a three-axis IMU data fusion technology is applied, and a three-degree-of-freedom active-passive combined heave compensation system is optimized; the method can effectively solve the problem of high cost of deep-sea mining, realizes safety, burden reduction, cost reduction and benefit increase of a deep-sea mining system, and optimizes the global cost of deep-sea mining operation.

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 utility model relates to the technical field of coated asphalt production, in particular to a reaction kettle for heating high-soft-point coated asphalt, which comprises a kettle cover body, a reaction kettle body, a middle stirring shaft and an auxiliary stirring frame, the middle stirring shaft and the auxiliary stirring frame are mounted in the reaction kettle body, a planetary gear driving device is arranged at the upper end of the kettle cover body, and a driving motor is arranged at the upper end of the planetary gear driving device. And the driving motor is connected with the middle stirring shaft and can drive the middle stirring shaft to rotate. The stirring device is reasonable and compact in structure and convenient to use, the auxiliary stirring frame is driven by the planetary gear driving device to rotate, so that asphalt adhered to the side wall is effectively cleaned by the side scraping plate, and the effect of stirring mixed materials can be achieved; the auxiliary frame stirring blades on the auxiliary stirring frame and the middle shaft stirring blades of the middle stirring shaft are alternately distributed and form differential rotation, so that the stirring effect is effectively improved, materials at the bottom of the reaction kettle body are fully stirred through the lower scraping plate, the materials are prevented from sinking to the bottom, and the reaction kettle has the characteristics of high stirring efficiency, good stirring effect, simplicity, convenience, reliability and high efficiency.

The invention belongs to the technical field of engine accessory spraying, and discloses spraying equipment for engine accessories and a using method of the spraying equipment. The spraying equipment comprises a bottom frame, a left shaft loading frame and a right shaft loading frame are fixedly mounted at the top end of the bottom frame, planetary gear co-rotating type part mounting assemblies are mounted on the outer walls of the opposite sides of the left shaft loading frame and the right shaft loading frame correspondingly, and a lower storage box is mounted at the position, located at the top end of the bottom frame, between the two planetary gear co-rotating type part mounting assemblies; the top end of the lower storage box is provided with a hollow discharging disc, the left outer wall and the right outer wall of the hollow discharging disc are each provided with three U-shaped opposite spraying pipe sets which are annularly distributed at equal intervals, the left outer wall and the right outer wall of the hollow discharging disc are each fixedly provided with a hollow isolation hood, and one side of the top end of the lower storage box is provided with a conveying pump; according to the automatic spraying device for the shaft accessories, the spraying work of the multiple shaft accessories can be completed synchronously, and the production rate is increased.

The invention relates to the technical field of welding, and particularly discloses an automatic fan impeller welding device which comprises a supporting frame, the supporting frame serves as a carrier to bear a welding part, a rotatable rotary table is rotationally connected to the outer surface of the middle of the supporting frame, an impeller disc and a rotating piece are placed at the upper end of the rotary table, and the rotating piece comprises a rotating cover plate. The rotating cover plate is located above the impeller disc, the blades are welded to the surface of the impeller disc, the upper rotating plate and the lower rotating plate are simultaneously driven by the calibration clamping motor to be matched with the lower clamping rod and the upper clamping rod, the blades are clamped and fixed in four directions, and the blades are limited and clamped. The upper rotating plate and the lower rotating plate move relative to each other through a planetary gear, four-direction fixing is achieved through a calibration clamping motor, the lower end of the calibration clamping motor is fixedly connected with a bearing plate, the lower end of the bearing plate is provided with a calibration plate driven by a calibration spring, the calibration plate further limits the blades, and therefore the calibration effect of the blades is improved. And six-direction clamping is realized by matching with the structure.

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 discloses a self-clearance-eliminating cycloidal pin gear speed reducer, and aims to solve the double pain points that in the prior art, an assembly clearance is difficult to control, and the clearance cannot be compensated after abrasion. The speed reducer comprises a machine shell, a main bearing, an output flange, a cycloidal gear, a conical pin and an elastic pressing piece, and is characterized in that the conical pin, cycloidal teeth of the cycloidal gear and a pin groove of the machine shell are all provided with the same taper, the elastic pressing piece is installed on the machine shell and exerts pre-compression force on the pin, and the elastic pressing piece, the conical pin and the pin are made to be tightly attached to eliminate an initial gap; after abrasion, the elastic pressing piece can push the conical pin needle to conduct self-adaptive gap compensation along the conical surface, and the meshing stability is guaranteed through the taper self-locking characteristic. Meanwhile, the structure can be flexibly matched with three transmission modes of'a first-stage planetary gear and a second-stage cycloid ', 'single-stage cycloid cam shaft driving' and'single-stage cycloid cam shaft and a cross slide block ', the effects of reducing machining and assembling cost, maintaining transmission precision for a long time and reducing maintenance loss are achieved, and the structure is suitable for the field of precision transmission.

The bulldozer has a right first oil channel, a right second oil channel, and a right third oil channel. The right first oil channel guides a portion of the lubricating oil discharged by a hydraulic pump to a right steering brake. The right second first oil channel guides a portion of the lubricating oil discharged by the hydraulic pump to a right planetary gear mechanism. The right third oil channel guides at least a portion of the lubricating oil that has passed through the right planetary gear mechanism to a right steering brake. At least a portion of the planetary gear mechanism is disposed further inside than the right steering brake in a radial direction perpendicular to the center axis of an input shaft.

The utility model discloses a clutch component, a transmission device, box equipment and a refrigerator. The clutch component comprises a driving piece, a driven piece, a transmission assembly and a driver. The transmission assembly comprises a support, a sun gear rotationally arranged on the support and a planet gear set rotationally arranged on the support, the support is provided with an annular inner gear, the sun gear is in transmission connection with the driving part, and the planet gear set comprises a rotating part in transmission connection with the driven part and a planet gear rotationally arranged on the rotating part; and the planetary gear is meshed with the annular inner gear and the sun gear. The driver comprises a limiting part capable of moving relative to the support, and the limiting part has a limiting state in rotation stopping fit with the support and a separation state separated from the support. According to the clutch component, the intelligent opening and closing requirement of the refrigerator can be met, manual opening and closing operation of a user is not interfered, meanwhile, the structure is simple, and the production cost can be reduced.

The utility model relates to the technical field of transmission, in particular to a double-motor stepless speed change electric drive system. The double-motor stepless speed change electric drive system comprises a first motor, a second motor, a planetary gear train, a pedal crankshaft, a sun wheel overrun clutch and a gear ring overrun clutch. The sun gear and / or the gear ring are / is set as power input, and the planet carrier is set as power output; a rotor of the first motor can be connected with the sun gear, and a rotor of the second motor can be connected with the gear ring through the gear ring overrunning clutch. The gear ring is locked by the gear ring overrun clutch and can only rotate in the forward direction. The pedal crank shaft is connected with the sun gear through the sun gear overrun clutch so that torque can only be transmitted from the pedal crank shaft to the sun gear. Therefore, the double motors can cooperate with the planetary gear train to jointly meet the speed change requirement.

The invention discloses an electrically-driven mechanical tread brake unit which comprises an electric brake cylinder, a hoisting arm, a brake-shoe hoist, a brake-shoe holder and a brake-shoe, the electric brake cylinder is provided with a motor located in a shell, and further provided with a planetary gear assembly connected with an output shaft of the motor and a planetary roller screw rod driven by the planetary gear assembly; the planetary gear assembly comprises a sun gear coaxially connected with an output shaft of the motor, an inner gear ring fixed to the shell, a planet gear meshed between the sun gear and the inner gear ring in a tooth meshing mode and a planet carrier connected with the planet gear, the planet roller lead screw comprises a lead screw shaft, a roller and a nut, and the planet carrier is provided with an outer gear ring. A transmission gear is fixed to a nut of the planetary roller lead screw, and an outer gear ring on the planet carrier is meshed with the transmission gear. The planetary gear and the planetary roller lead screw are arranged to replace a traditional force amplification mechanism, low-power output and large torque are achieved, and meanwhile the functions of manually resetting the lead screw and preventing the lead screw from being stuck in the fault state can be achieved.

The invention discloses a planetary gear dynamic characteristic prediction method. Comprising the following steps: carrying out a planetary gear dynamic transmission test on a real planetary gear test bed, carrying out dynamic modeling on a healthy planetary gear, describing the vibration of a planetary gear system by adopting a fixed coordinate system fixed on a gear ring, providing a dynamic characteristic type, responding to signal analysis, and carrying out dynamic transmission. Comparing and judging the result obtained by analyzing the response signal obtained by the test with the result obtained by analyzing the response signal, and establishing a planetary gear dynamic fault knowledge base system, so as to form digital-analog combination in the field of planetary gear transmission, which is beneficial for identifying the dynamic characteristics of planetary gear transmission. The prediction efficiency of the dynamic characteristics of the planet gear and the prediction precision in the field of fault identification are improved, and the accuracy of dynamic characteristic identification is improved through continuous test and model interaction. And a planetary gear transmission dynamic characteristic knowledge base system is established to realize rapid and accurate analysis of vibration signals captured in tests and projects.

A work tool drive unit for a cutting blade of a handheld work apparatus includes an electric motor configured to rotate a drive pinion, a gearbox, a planetary gear arranged in the gearbox, with a single ring gear, a single planetary carrier and planets driven by the drive pinion, an eccentric shaft driven by the planetary gear and is configured to drive at least one cutting tool. The planets each have a first peripheral section and a second peripheral section. The first peripheral section is in engagement exclusively with the drive pinion, and the second peripheral section is in engagement exclusively with the ring gear. The work tool drive unit has an oscillating weight which is connected fixedly to the drive pinion for conjoint rotation.

A second gear meshes with a first gear and is connected to an output member so as to rotate integrally with each other. A rotor, a planetary gear mechanism, and the first gear are disposed on a first axis in a described order from an axial first side toward an axial second side. A connecting member, a differential gear mechanism, and the second gear are disposed on a second axis parallel to the first axis in a described order from the axial first side toward the axial second side. The planetary gear mechanism has a smaller diameter than a rotating electric machine and a larger diameter than the first gear. The differential gear mechanism has a smaller diameter than the second gear and larger diameter than the connecting member.

The invention provides an adapter and an operation assisting system, and the adapter comprises a base which comprises a support, a first input shaft and a second input shaft; the rotary base and the rotary base transmission assembly comprise a first gear ring, the rotary base is rotatably arranged on the support, the first input shaft is in transmission connection with the first gear ring, and the first gear ring and the rotary base are relatively fixed; the guide pipe system driving assembly is arranged on the rotary base, the guide pipe system transmission assembly comprises a second gear ring and a planetary gear, the second input shaft is in transmission connection with the second gear ring, the second gear ring is in transmission connection with the planetary gear, and a shaft of the planetary gear is fixed to the rotary base; the planetary gear is used to drive the catheter system drive assembly. According to the adapter, two kinds of remote operation can be conducted on the catheter system through the two sets of relatively independent transmission assemblies, the working environment of medical staff is improved, and the learning curve of a doctor is shortened.

The invention discloses an efficient and precise super-hard grinding tool preparation device, and relates to the technical field of grinding tool preparation. A vacuum box is fixedly installed at the bottom of the prefabricating cylinder through bolts, a strong vortex field is formed under the temperature control condition through a revolution-rotation composite stirring system driven by a planetary gear set, it is ensured that the superhard abrasive and a binding agent are mixed highly evenly and formed in a high-density mode, and then bubbles of the mixed material are effectively removed in a vacuum constant-temperature environment; a stable blank is formed through hot-pressing curing, the online resin synthesis function is integrated, the process efficiency is remarkably improved, meanwhile, zero-clearance interference fit of an inner hole of the grinding tool is achieved through the electromagnetic expansion clamping technology, and surface damage caused by traditional clamping is thoroughly eliminated. The precise slit coating head which is combined with multi-axis dynamic posture adjustment is suitable for uniformly coating silicone resin on a grinding tool with a complex curved surface, and high-precision and self-adaptive detection on the surface quality of the coated grinding tool is realized through multi-specification detection of the detection box.

The utility model discloses a multi-purpose novel hub fixed central shaft deceleration motor, which comprises a deceleration motor main body, the deceleration motor main body comprises an external rotor motor, a driving gear and a planetary gear carrier assembly, the driving gear is installed in the external rotor motor, is fixed through a sunk screw, is clamped into a shaft clamp spring I, and is installed into an A-type flat key; a hub outer shell is pressed into an inner gear ring, a first bearing is installed in a rear end cover, the end face, making contact with the rear end cover, of the hub outer shell is coated with sealant, and the hub outer shell and the rear end cover are connected and fixed through a first hexagon socket cap screw to form a second assembly. The first assembly is installed in the second assembly to form a gear motor body. According to the utility model, the wheel driving comfort and stability can be reduced; the size is small, torsion is large, and output efficiency is high; and the noise is low, the service life is long, the mechanism structure is simple, the manufacturing process is easy, the cost performance is high, and energy conservation, consumption reduction, cost reduction, efficiency improvement, energy conservation and emission reduction can be achieved for production.