108results about How to "Improve mechanical transmission efficiency" patented technology

The invention relates to an integrally full-revolving and lifting rudder paddle device, including a power actuating mechanism, a rotation control mechanism, a lifting mechanism and a lift type supporting mechanism which engages with the lifting mechanism. The invention is characterized in that the lift type supporting mechanism is a thrust stand composed of sleeves, a stempost, a lifting slide bar, a connection board and a thrust plate, the sleeves are arranged on both sides of the propeller screw and the U-typed groove on the stem in two groups, the upper end of the sleeves is fixed with the stem and the lower end is fixed with the stempost, two groups of lifting slide bars penetrate the two groups of sleeves, the upper end is detachably connected with lift platform via a connection plate, the lower end is connected with the thrust plate. The power actuating mechanism penetrates the U-typed groove of the stem, a supporting axis arranged at the lower end of the power actuating mechanism is rotationally connected with the thrust plate and the whole propeller screw can rotate with a degree of 360 DEG in the thrust stand. The rudder paddle device has the advantages that the propeller screw can rotate with a degree of 360 DEG, the lift range of the propeller screw is large and the ship needs no ballasting when navigating with no load.

The invention discloses a drum-type turner which is characterized in that a motor is arranged in a roller; and the roller is directly arranged on a power output shaft of a speed reducer. The drum-type turner has the advantages of compact structure, high mechanical efficiency, stable operation and no noise; a stepped web plate is adopted; the cutting edge is sharp; the friction loss is less and the scarifying and material smashing operation quality is good; and the turner is provided with a feed distribution cabin and a lifting workbench, thus various types of work, such as material paving, detection and the like can be finished simultaneously. The equipment can be used for processing solid wastes, such as rubbish, excrement, mud and the like.

The invention provides an improved swing disc reducer, and belongs to the technical field of reducers. The improved swing disc reducer comprises a shell body, an input shaft and an output shaft. The improved swing disc reducer further comprises an input mechanism, a reducing mechanism and an output mechanism. The reducing mechanism further comprises first inner roller pins, a first tooth disc and outer roller pins. The first inner roller pins are meshed with the outer roller pins in a differential motion mode. The input shaft drives the first tooth disc to rotate through the input mechanism. The first tooth disc drives the output shaft to rotate through the output mechanism. Differential mesh of the first inner roller pins and the outer roller pins is adopted, speed reduction of input power is achieved, power obtained after speed reduction is conducted is transmitted through the first tooth disc, and finally, input power of speed reduction is output through the output mechanism. Due to the fact that the structure of the first inner roller pins and the outer roller pins is relatively simple and relatively convenient to replace, the maintenance difficulty can be lowered, consumption of the reducer is reduced, and the maintenance cost is reduced.

A mechanical-energy-storing type incomplete gear quick-return reciprocating mechanism is characterized by comprising a reciprocating body, an incomplete gear, an energy-storing element and a power mechanism, wherein the reciprocating body is connected with the energy-storing element and meshed with the tooth portion of the incomplete gear through the tooth portion, and the incomplete gear is connected with the power mechanism. The working method includes: (1) the incomplete gear drives a linear reciprocating body to conduct linear progress motion; the energy-storing element stores energy; and the linear reciprocating body conducts linear returning motion reversely under the function of the energy-storing element after the mesh is relieved; and (2) the incomplete gear drives a circumferential reciprocating body to conduct circumferential progress motion; the energy-storing element stores energy; and the circumferential reciprocating body makes circumferential returning motion reversely under the function of the energy-storing element after the mesh is relieved. The mechanical-energy-storing type incomplete gear quick-return reciprocating mechanism has the advantages of being high in transmission efficiency and reliability and strong in operability.

The invention discloses an electric automobile electric power steering (EPS) device which comprises a shell, an input shaft, a steering rod, a ball nut and a drive motor. The input shaft is connected with a steering wheel, the lower end of the input shaft is provided with a gear, and the input shaft is connected with a torque sensor. The steering rod is arranged in the shell and provided with a rack which is engaged with the gear to enable the steering rod to move in the shell left and right. The left end and the right end of the steering rod are separately connected with a left steering ball head and a right steering ball head. The steering rod is further provided with a lead screw which is sleeved and matched with the ball nut. The two ends of the ball nut are supported on the shell through bearings. The drive motor is connected with the ball nut through a transmission device to drive the ball nut to rotate around the axis of the ball nut. The invention further provides an electric automobile EPS control method.

The invention relates to measurement of rotation motive power of mechanical transmission as well as application of data thereof. According to the invention, an existing flexible coupler is utilized, and signal testing points are arranged on a driving half and a driven half of the flexible coupler respectively; through signal receivers arranged at the signal testing points on the two opposite coupling halves, relative positions of the driving half and the driven half during the rotation, as well as motion (rotating speed and rotating direction) signals thereof, can be obtained in a non-contact manner; and meanwhile, torque and rotating speed data can be obtained through a signal processing circuit, and the real-time shaft power of the mechanical transmission can be derived from the relation between the shaft power and the torque / the rotating speed. By the non-contact dynamic torque, rotating speed and shaft power signal transducer, the torque, the rotating speed and the shaft power in the mechanical transmission can be measured more simply and conveniently; the relevant equipment is simpler in structure, smaller in size, lighter in weight and lower in manufacture cost; the improvement of intelligentizing and lightening of the mechanical equipment is facilitated; the popularization of the intelligent mechanical equipment is facilitated; the optimization of the fit degree among the mechanical equipment is facilitated; the improvement of the mechanical transmission efficiency is facilitated; and the energy conservation and the emission reduction are facilitated.

The invention discloses an underwater robot propulsion system. The underwater robot propulsion system comprises two horizontal propulsion modules and two inclined propulsion modules, wherein the two horizontal propulsion modules are symmetrically arranged on the two sides of a robot main cabin in parallel; the two inclined propulsion modules are embedded into the two sides of the middle part of the robot main cabin in the form of V shape in a crossed way within a plane vertical to the axis of the robot main cabin; the horizontal propulsion modules and the inclined propulsion modules all use propeller propulsion modules; the propeller propulsion modules comprise motors and sealed cabins; output shafts of the motors are connected with driven shafts through disc type magnet couplings; and propellers are mounted on the driven shafts. According to the invention, motion capacity of 5 degrees of freedom can be provided to a robot and the flexibility of the robot is improved; as the propeller propulsion modules use the disc type magnet couplings, the axial length of the system can be effectively reduced so that the structure of the underwater robot propulsion system is compact and stable and the underwater robot propulsion system is convenient to machine.

The invention relates to an electric auxiliary steering module comprising a speed reducer, a motor, a torque sensor and a controller, wherein the speed reducer comprises a shell, a sun gear, a planetary gear set, a ring gear, a large helical gear and a drive gear shaft; the planetary gear set comprises a small helical gear and a plurality of planetary gears which are alternately and movably inserted into the small helical gear, the ring gear is sleeved and meshed with the planetary gears, each planetary gear is meshed with the sun gear and is driven by the sun gear to rotate the small helical gear, the small helical gear is meshed with the large helical gear, the drive gear shaft is axially inserted into the large helical gear and is driven by the large helical gear to steer a meshed automotive steering machine in an auxiliary mode.

The invention discloses an electro-pneumatic type automatic pressing machine which is provided with an electrical control box, an air pump and a pressure device. The pressure device is provided with a top plate, a base plate, a middle plate, an air cylinder and a climbing mechanism of the air cylinder, wherein a distance between the top plate and the base plate is fixed, a distance between the middle plate and the base plate is variable, the air cylinder and the climbing mechanism are connected with the middle plate, and a workpiece pressing cavity is formed between the middle plate and the base plate. Particularly, the climbing mechanism of the air cylinder comprises at least two groups of crank arm units, wherein any one group of crank arms include a first connecting rod, a second connecting rod and a third connecting rod which are in bent connection, the first connecting rod is connected with an air cylinder piston rod, the second connecting rod is in lever connection with the top plate, the third connecting rod is connected with the middle plate, and the second connecting rod and the third connecting rod are connected with each other at the position of a piston rod retraction stroke destination to form a linear self-locking structure. By applying the electro-pneumatic type automatic pressing machine, the energy loss is saved greatly, the problem of unstable transmission is solved practically, and the mechanical transmission efficiency is improved.

The invention relates to an explosion-proof storage battery electric locomotive which is provided with a driving part with simple structure, long service life, high transmission efficiency, low failure rate and small operation noise and a braking part with rapid reaction, high safe factor and energy conservation. The locomotive comprises a carframe, wherein the carframe is provided with an electric part, an explosion-proof storage battery power supply device, the driving part and a mechanically braking part; the driving part comprises a motor; shaft heads at two ends of the driving part are connected with the carframe through a guiding frame and a damping spring; the motor of the driving part comprises a shaft; the shaft is externally and fixedly connected with an inner stator support; the inner stator support is externally and fixedly connected with an inner stator; a shell is arranged outside the shaft in a mode of rotating relative to the shaft; a permanent magnet is fixedly arranged in the shell; the inner stator is corresponding to the permanent magnet and is positioned in the permanent magnet; a power supply cable of the motor is led out from one end of the shaft, the other end of the power supply cable of the motor is connected with speed-regulating IGBT (insulated gate bipolar transistor) modules; and the power supply cable of the motor is connected with the middle three ends of a three-phase bridge circuit composed of the speed regulating IGBT modules.

The invention discloses a permanent magnetic adsorption wall-climbing robot. The permanent magnetic adsorption wall-climbing robot comprises a base disc, a main motor and a vehicle body; the vehicle body and the main motor are arranged on the base disc; the base disc comprises a first machine base and three wheel modules which are fixed to the circumference above the first machine base and are evenly distributed; three magnets are evenly distributed on the circumference below the first machine base; a hollow shaft is fixed to the center of the first machine base and is sleeved with four deep groove ball bearings; every two deep groove ball bearings are connected with a nylon gear; the main motor is fixed to the hollow shaft through a motor flange; a clutch suction cup portion is fixed to the motor flange; a clutch coil portion is fixed to a bearing plate and is connected with a suspension clamp and a suspension ring bolt. A vehicle body upper cover is arranged above a holder; a bearing is arranged below the holder; a bearing and a bearing ring are arranged at the corresponding positions of the machine base; and a vehicle body is connected to the bearing ring. The needed number of the wheel modules and a driving motor can be selected according to loads; the cost of the motor is saved; and the mechanical transmission efficiency is improved, and the service life of the robot is prolonged.

The invention discloses a planet gear speed reducer enclosed type experiment bench comprising a motor. The motor is connected with an output gear box, which is used to output torque equally by two output paths. One output path is used to output the torque to a first speed reducer by a universal joint and an installation base, and the other output path is connected with a hydraulic loader, the installation base, and a second speed reducer. The hydraulic tensioning of the first speed reducer and the hydraulic tensioning of the second speed reducer are realized by tensioning devices. The first speed reducer and the second speed reducer are in a closed-loop connection. The planet gear speed reducer enclosed type experiment bench has advantages of high mechanical transmission efficiency, small power consumption, stable performance, and abilities of solving bottlenecks of domestic walking and winch speed reducer experiments, facilitating improvement of product performance and quality of speed reducers, and breaking through dependency of domestic engineering machinery factories on oversea products.

The invention discloses a compact steering column type automobile electric power booster, which comprises a casing, a planetary gear reducer is installed at one end of the casing, a transverse partition is arranged in the casing, and a hollow space is installed in the casing between the transverse partition and the planetary gear reducer. Type inner rotor brushless motor, the coil stator of the hollow inner rotor brushless motor is connected with the inner wall of the shell, the inner hole of the magnetic steel rotor center of the hollow inner rotor brushless motor is provided with a shaft sleeve, and the shaft sleeve is fixedly installed on the sleeve shaft , one end of the sleeve shaft is connected with the diaphragm of the casing through the first positioning bearing. The hollow inner rotor brushless motor and the planetary gear reducer are arranged coaxially with the steering column, occupying a small space and will not interfere with the surrounding components, easy to arrange on the car, and easy to disassemble and install.

The invention relates to a spraying device, a spraying mechanism and an intelligent micro-spray pesticide applying system. The spraying device comprises two linear pushing rods, a high-pressure hose, a pressure communication tank and multiple atomizers, wherein the two linear pushing rods are both fixedly connected with the pressure communication tank, the high-pressure hose is communicated with the pressure communication tank, a fan is arranged in the middle of the pressure communication tank, and the fan blows wind towards the end, away from the linear pushing rods, of the pressure communication tank; the atomizers are placed at the end, away from the linear pushing rods, of the pressure communication tank and communicated with the pressure communication tank, and the atomizers form a circle to surround the edge of the pressure communication tank. Compared with the prior art, the spraying device has the advantages that micro-spray pesticide applying quality and efficiency can be improved, control precision is high, the influence of pesticides on the environment can be reduced, the device is flexible and can be adapted to various geomorphological conditions to conduct mechanical and automatic pesticide application, and labor intensity can be relieved.

The invention discloses a hyperbolic-curve speed reducer, and belongs to the field of reduction equipment. The hyperbolic-curve speed reducer comprises an inner tooth ring, an input shaft, an input mechanism, a hyperbolic-curve speed-reducing mechanism and an output mechanism, wherein the inner tooth ring, in a peripheral direction, is provided with a plurality of inner tooth ring projecting teeth at an equal interval; the hyperbolic-curve speed-reducing mechanism comprises a first cycloidal gear and a second cycloidal gear; the first cycloidal gear and the second cycloidal gear are symmetrically and rotatably arranged in the inner tooth ring at an angle of 180 degrees; side edges of the two cycloidal gears are provided with a plurality of short-amplitude curved teeth at an equal interval in the peripheral direction; and the short-amplitude curved teeth on the two cycloidal gears are engaged with the inner tooth ring projecting teeth on the inner tooth ring. The input shaft drives the first cycloidal gear and the second cycloidal gear to rotate by virtue of the input mechanism; and the first cycloidal gear and the second cycloidal gear drive the output mechanism to rotate. The hyperbolic-curve speed reducer is in engaged transmission by virtue of the inner tooth ring projecting teeth of the inner tooth ring, and the short-amplitude curved teeth of the first cycloidal gear and the second cycloidal gear, is compact in structure, small in transmission stable vibration, high in transmission efficiency and great in reduction ratio.

The invention provides a novel butterfly-like flapping wing air vehicle which comprises a main trunk framework, a power mechanism, a transmission mechanism, a steering mechanism, wings, a power supplysystem and a flight control system. The power mechanism is arranged at the front end of the main trunk framework; the transmission mechanism is in transmission connection with the power mechanism; the wings comprise a left wing and a right wing which are symmetrically distributed on two sides of the main trunk framework and are connected with the transmission mechanism; the power mechanism is used for driving the left wing and the right wing to do flapping wing motion through the transmission mechanism; the steering mechanism is arranged at the back end of the main trunk framework; the powersupply system is connected to the back end of the steering mechanism and is electrically connected with the flight control system; the flight control system is fixed onto the main trunk framework; andthe power mechanism and the steering mechanism are electrically connected with the flight control system. According to the novel butterfly-like flapping wing air vehicle provided by the invention, adouble-wing symmetry driven flapping wing structure is realized, and the air vehicle can fly forwards, steer and pitch through controlling the rotating speed of the power mechanism and a swinging angle of the steering mechanism.

The invention provides a compact steering engine and a steering engine cabin. The compact steering engine comprises a motor, a coupling, a lead screw, a lead screw fixing frame, a lead screw nut, a nut seat, a connecting piece, a connecting rod, a joint bearing, a first dialing pin and a second dialing pin. The motor is connected with the lead screw through the coupling. Power of the motor is transmitted to the lead screw. The lead screw is fixed on the lead screw fixing frame. The lead screw nut is mounted on the lead screw and is fixedly connected with the nut seat. The connecting piece is connected with the connecting rod through the second dialing pin. The connecting rod and the connecting piece have no relative displacement in the z-axis direction while can rotate relatively in the xyplane. The compact steering engine is simple in structure, high in mechanical transmission efficiency and small in transmission gap.

The invention discloses a steam motor. The steam motor aims at solving the defect caused by the fact that the existing exhaust gas can not be recycled. The steam motor comprises a valve mechanism, a power output mechanism and an air cylinder body. The air cylinder body is in a sealing arranged cylinder body shape. A piston is installed in the air cylinder body. The piston can move in a reciprocating mode along a lengthways direction of the air cylinder body under the driving of the piston. The valve mechanism is provided with a valve shaft. An air inlet groove and an air outlet groove are formed in the valve shaft, wherein the air inlet groove and the air outlet groove are communicated with the air cylinder body. The external exhaust gas can be entered into or discharged the air cylinder body through the air inlet groove and the air outlet groove. The power output mechanism is in fit connection with the valve mechanism. The power output mechanism is provided with a bent shaft. One end of the bent shaft is in fit connection with the piston and the other end of the bent shaft is connected with an engine through a driving assembly. The discharged exhaust gas in an air exhaust pipe of the engine steam motor can heat water into steams and the steams are fed into the air cylinder body. Then, formative energy is delivered to the engine through the driving assembly so that energy conversion and recycling of exhaust gas waste heat are achieved.

The invention discloses an ultra-high-power spring operating mechanism for a high-voltage circuit breaker, belonging to the technical field of power transmission and transformation. The ultra-high power spring operating mechanism comprises a wall plate, a ratchet wheel, a connecting rod, a fork-shaped connecting plate, a guide seat, a switching-on wafer, a switching-off wafer, a switching-on crutch, a switching-off crutch, a switching-on disc spring set, a switching-off disc spring set and the like. The output power of the spring operating mechanism provided by the invention is greatly improved at the same time that the size of the whole mechanism is reduced; and the ultra-high power spring operating mechanism for the high-voltage circuit breaker has the advantages of high switching-on / off speed, stable performance parameter, high reliability, and ultra-high output power and the like.

The invention relates to a one-way transmission device with a coupling, and belongs to a transmission device of a power device. The one-way transmission device comprises a coupling, a one-way clutch, elastic element components and compression springs, wherein the clutch comprises an inner race and an outer race; the coupling comprises two half couplings, and the elastic element components and the compression springs are uniformly distributed between the two half couplings; one of the half couplings is in rigid connection with a prime mover input shaft, and the half coupling is connected with the other half coupling through the elastic element components and the compression springs; the other half coupling is in rigid connection with the inner race or the outer race of the clutch through a key and transfers torsion through the action of a middleware and the corresponding outer race or the corresponding inner race, and the end part of the corresponding outer race or the corresponding inner race is connected with an output shaft. The one-way transmission device not only can realize one-way transmission, but also can effectively compensate axial displacement, radial displacement and angular displacement between driving shaft systems and reduce vibration and noise, and has simple structure, high reliability and good economical efficiency.

The invention relates to a speed changer and an automatic gear-shifting executor. The automatic gear-shifting executor comprises a synchronizer and a driving unit. The synchronizer comprises a joiningsleeve including a body ring and a driving ring. The body ring and the driving ring are coaxially arranged. The driving ring sleeves outside the body ring. The driving ring is connected with the bodyring in a relatively rotating manner and a synchronous axial-moving manner. The driving unit is provided with an output part sleeving outside the driving ring and used for outputting rotary motion rotating around a central axis of the driving ring through the output part. Lead-screw driving is achieved between the driving ring and the output part. The lead-screw driving is used or converting rotary motion of the output part into axial motion of the driving ring and the body ring. The automatic gear-shifting executor in the technical scheme has high mechanical driving efficiency and short dynamic response time.

The invention relates to the technical field of waste treatment, and discloses an environment-friendly industrial coal waste recycling device. The device comprises a filtering bin, a crushing bin, a feeding port, an impurity outlet and a discharging channel. A vertical driving shaft is arranged in the middle in the crushing bin; two groups of driven shafts are symmetrically arranged on the left and right sides of the driving shaft; the middle upper part of the driving shaft is fixedly sleeved with a group of driving gears; driven gears fixedly sleeving the driven shafts are engaged with the left side and the right side of the driving gears; the bottom of the discharging channel extends into the filtering bin; a set of filter bodies of a circular-truncated-cone-shaped structure are fixedlyinstalled in the middle in the filtering bin, the bottoms of the filter bodies downwards communicate with a conveying pipeline of an L-shaped structure, the tail end of the conveying pipeline communicates with a heating furnace, a water tank is arranged on the upper side of the heating furnace, the top of the water tank upwards communicates with a steam pipe, and a steam generator is arranged at the tail end of the steam pipe. The environment-friendly industrial coal waste recycling device has the advantages of being low in resource consumption, high in coal recycling rate and beneficial to application and popularization.

The invention discloses a hydraulic mechanical type dual-clutch automatic transmission of a tractor. The transmission comprises a power main input shaft, a hydraulic torque converter, a load power output shaft and a dual-clutch automatic transmission; the power main input shaft is connected into the hydraulic torque converter, a hydraulic operation system is arranged on the hydraulic torque converter, the dual-clutch automatic transmission comprises a shell, a solid input shaft, a hollow input shaft, a first clutch, a second clutch, a main speed reducer, a first output shaft and a second output shaft, an automatic gear shifting control system is arranged on the dual-clutch automatic transmission, the main speed reducer comprises an odd number gear shifting and selecting gear set, a differential mechanism, an even number gear selecting and shifting gear set and a gear reversing, selecting and shifting gear set, the odd number gear shifting and selecting gear set and the differential mechanism are arranged on the solid input shaft, the even number gear selecting and shifting gear set and the gear reversing, selecting and shifting gear set are arranged on the hollow input shaft, and the differential mechanism comprises a differential mechanism shell, a differential mechanism gear, a main speed reducer driving conical gear, a main speed reducer driven conical gear, and an axle shaft. An automatic gear shifting control method achieved by the hydraulic mechanical type dual-clutch automatic transmission of the tractor can solve the problem of power transmission interruption and ensures the stable starting of the tractor.

The invention relates to a full-rotation propeller driving device comprising a wheel flange type motor, a propeller, a supporting device and a rotation device. The rotation device is fixed to a ship body, connected with the supporting device and the wheel flange type motor and used for driving the wheel flange type motor and the propeller to conduct rotation turning through the supporting device. According to the full-rotation propeller driving device, the propelling efficiency is high, noise and vibration are low, the structure is simple, the weight and size are small, the reliability is high, and the problem of water leakage of underwater mechanisms does not need to be worried.

The invention relates to a small field sower, which comprises a frame, and a seed supply device, a seed dropping device, a seed dropping control device and a ditching and covering device which are positioned on the frame. The rear of the frame is provided with a seed supply operating platform; one side of the seed supply operating platform is provided with the seed supply device, while the other side is provided with a seed dropping control operating platform; the front of the seed supply operating platform is provided with the seed dropping device; the ditching and covering device is arranged under the frame; and the seed dropping device is connected with the ditching and covering device through a grain tube. The small field sower eliminates instability of power supply of a ground wheel in mechanical seed dropping, reduces power loss caused by a plurality of mechanical transmission links, improves mechanical transmission efficiency, adopts motor control to replace the conventional mechanical control mode, has a simple structure, improves the sowing accuracy due to constant power output, greatly reduces adverse effect caused by a seed dropping control transmission system, improvesthe accuracy, scientificity and universality of small field contrast test study, and meets the current development requirement of small field sowers in China.

The invention relates to a contra rotating propeller driving device driven by a magnetic bearing wheel flange type motor. The contra rotating propeller driving device mainly comprises a positive-rotating wheel flange type motor, a reverse-rotating wheel flange type motor, a positive-rotating propeller and a reverse-rotating propeller. The positive-rotating wheel flange type motor is connected with the positive-rotating propeller. The reverse-rotating wheel flange type motor is connected with the reverse-rotating propeller. The two wheel flange type motors are connected in series front and back, the rotating directions of the two propellers are opposite, and thrust of the same directions is generated. The propeller arranged at the back absorbs energy of a tailing vortex of the front propeller, and the overall propulsion efficiency and thrust are improved.

The invention discloses a brick machine with a speed reducer capable of transversely moving back and forth. The brick machine with the speed reducer capable of transversely moving back and forth comprises a brick machine body and the speed reducer and is characterized in that the brick machine body comprises a mud cylinder and a feed box, the mud cylinder and the feed bin are connected in sequence, a spiral reamer is arranged inside the mud cylinder and the feed box, a bearing pack mechanism is arranged on the speed reducer, an output shaft bracket of the speed reducer is installed on the bearing pack mechanism, the speed reducer is arranged on a guide rail mechanism and can transversely move back and forth, the speed reducer moves towards the brick machine body to enable an output shaft to be connected with the spiral reamer, so that the spiral reamer is driven to rotate to work, when maintenance is needed, the output shaft of the speed reducer is kept connected with the spiral reamer, the speed reducer moves along the guide rail mechanism, and then the whole spiral reamer is pulled out. According to the brick machine with the speed reducer capable of transversely moving back and forth, the spiral reamer is pulled out of the brick machine body by driving the speed reducer through a driving mechanism to transversely move along the guide rail mechanism, operation is easy and rapid, both time and labor are saved, stock can be completely discharged rapidly and easily, components such as the spiral reamer can be replaced rapidly and easily, maintenance efficiency is improved greatly, normal brick production is prevented from being affected, and production efficiency is improved.

A method for stretching animal's fibre includes such steps as pre-processing including infiltrating it in chemical liquid, rolling by rollers and wet-hot storage, wet-hot stretching, shape fixating and baking. Its apparatus is composed of infiltrating unit for infiltating twice and rolling twice, and false-twisting stretcher with planetary gear chain. Its advantages are high effect on improving length and fineness, and stable quality.

A planetary gear driver unit with stepless speed variation for bicycle is composed of two planetary gears, cylindrical sleeve, toothed ring, crank, and internal gear. Its advantages are convenient operation, saving labour, and stable and reliable speed control.

The invention relates to a mechatronic permanent-magnet outer-rotor power generator, comprising an engine and a power generation plant which are integrated into a whole. Positioning holes are arranged on a shaft base of a power shaft of the engine by taking the power shaft of the engine as a center; through holes are arranged at positions on a generator stator, opposite to the positioning holes; fixing screw rods are screwed into the positioning holes through the through holes so as to fix the generator stator on the shaft base; and a generator rotor is fastened on the power shaft of the engine through fastening screws so as to ensure that the power shaft of the engine can also serve as the driving input shaft of the generator rotor. According to the invention, the traditional torque transmission device as well as a bearing and a supporting frame are omitted, so that the power generator is simple to manufacture and energy consumption is effectively decreased; and moreover, the provided novel mechatronic power generator has the advantages of high efficiency, energy-saving performance, convenience for installation, compact structure, small size, light weight, cost-saving performance, high power generation efficiency and long service life.