176results about How to "Large speed ratio" patented technology

A winch including a drum, a motor and a power transmission device. The power transmission device includes a casing and a planetary mechanism assembly having first and second planetary carriers rotatably disposed in the casing; first to third planetary gears rotatably supported on the first and second planetary carriers and engaged with the transmission gear; an annular gear fixed in the casing and engaged with the first to third planetary gears respectively; and a power output member having an input gear portion and an output gear portion, the input gear portion engages with the first to third planetary gears respectively, and the output gear portion engages with the inner drum gear portion of the drum. The winch achieves deceleration function with large speed ratio by a single stage planetary mechanism.

A vehicle control system is provided. The vehicle control system is applied to a vehicle having a clutch device to selectively connect and disconnect a power transmission route between a prime mover and drive wheels, and configured to disconnect the power transmission route during running to allow the vehicle to coast. The vehicle control system is comprised of: a means that detects a vehicle speed; a means that detects an operation of an accelerator by a driver; an execution means that executes a coasting control when an operating amount of an accelerator is reduced to be smaller than a predetermined value during running, by bringing the clutch device into disengagement to disconnect the power transmission route so as to allow the vehicle to coast; an estimation means that estimates a decelerating demand of the driver during execution of the coasting control; and a returning means that terminates the coasting control by bringing the clutch device into engagement to connect the power transmission route, and that increases a speed ratio of the automatic transmission when the decelerating demand is expected to increase.

A rigid speed reducer with internal and external tooth profile tooth-enveloping. The rigid speed reducer includes first- and second-level speed-reducing mechanisms. The first-level speed-reducing mechanism includes: an eccentric gear; rotary arm bearing; externally-meshing curved gear; and gear pins fixed on a first supporting frame and externally meshed with the externally-meshing curved gear. The second-level speed-reducing mechanism includes: an eccentric transmission gear; rotary arm bearing; internally-meshing curved gear, which is internally meshed and fitted with the gear pin; and an output disk linked with an output shaft. The eccentric transmission gear is in transmission connection with the externally-meshing curved gear through a dowel pin. The internally-meshing curved gear is in transmission with the output disk through a transmission pin. A first reinforcing frame is arranged at one side of the externally-meshing curved gear, and a second reinforcing frame is arranged at one side of the internally-meshing curved gear.

The invention discloses a multilayer stacking combined vertical type wind power generation system, which comprises multi-section combined crankshafts, multilayer stacking combined vertical type wind power systems and a multilayer stacking combined type frame, wherein each layer of wind power system has a box frame structure and comprises a fan blade system, a wind collection and protection system, a double-speed increasing device and a multi-winding electrode variation generator system; each layer of wind power system individually forms an independent wind power system for operation or all layers of wind power systems are fixed together by vertical posts at all corners; a detachable combined coupling is used for connecting all layers of fan blade crankshafts into a whole, so that synchronous turning moment can be generated by each layer of fan blades; and the lower shaft end of a fan blade crankshaft on the lowermost layer of the multilayer wind power system is connected with the double-speed increasing device and the multi-winding electrode variation generator system together through the detachable combined coupling. In the invention, the wind power generation system is decomposed into a plurality of layers of combined structures, is convenient to manufacture, transport, mount, assemble and maintain, has a small volume and high performance and can form a high-capacity power generation system.

The invention provides a novel hybrid power coupling mechanism and a motor vehicle. The novel hybrid power coupling mechanism comprises a fuel driving mechanism, a single-planet-row gear mechanism, aclutch, an intermediate connecting shaft structure, a composite-planet-row gear mechanism, a first electric driving mechanism, a second electric driving mechanism and a power output mechanism, whereinthe fuel driving mechanism, the first electric driving mechanism and the second electric driving mechanism are connected for output through the single-planet-row gear mechanism and the composite-planet-row gear mechanism; and finally power output is implemented by the power output mechanism. By the novel hybrid power coupling mechanism and the motor vehicle, various power driving modes and outputspeed ratios can be provided according to actual conditions, the integral system efficiency can be high, the structure can further be simplified, and requirements to the motor are reduced.

The invention relates to a bilateral two-stage internal engagement biarc bevel gear nutation speed reducer which comprises a box. An input shaft is arranged at one end of the box in a penetrating manner. The shaft section, located in the box, of the input shaft is provided with a nutation sleeve. A variable-speed biarc bevel gear is connected to the nutation sleeve through a first bearing. A balance biarc bevel gear is further connected to the nutation sleeve through a second bearing. An output biarc bevel gear and a fixed biarc bevel gear are arranged at the other end of the box in a penetrating manner. The output biarc bevel gear is connected with the fixed biarc bevel gear through a third bearing. The variable-speed biarc bevel gear is in transmission engagement with the output biarc bevel gear, the balance biarc bevel gear is in transmission engagement with the fixed biarc bevel gear, and the two engagement points appear at the same time and are located on the two sides of the input shaft. The invention further relates to a working method of the bilateral two-stage internal engagement biarc bevel gear nutation speed reducer. The bilateral two-stage internal engagement biarc bevel gear nutation speed reducer is reasonable in structural design, efficient and convenient and fast to operate.

The invention relates to a wheel side motor driving system and a wheel side motor driving axle. The wheel side motor driving system comprises a main speed reducer assembly (4), a wheel side speed reducer assembly (6) and a hub assembly (5). The main speed reducer assembly comprises an output gear (16); the wheel side speed reducer assembly comprises a sun wheel shaft (12), a planet wheel (18), a wheel reduction shell (22) and a planet frame (31); the output gear of the main speed reducer assembly is connected with the sun wheel shaft in a power transmission manner, and the sun wheel shaft is meshed with the planet wheel; the planet wheel is arranged on the planet frame in a power transmission manner, and the planet frame is arranged in the wheel reduction shell in a power transmission manner; the wheel reduction shell is connected with the hub assembly in a power transmission manner; and the wheel side motor driving axle comprises the wheel side motor driving system. Compared with the prior art, the wheel side motor driving system and the wheel side motor driving axle have the advantage that rim space is effectively utilized, and the speed ratio is increased.

The invention relates to a member for a semitrailer, in particular to a support leg for a semitrailer. The support leg for the semitrailer comprises an outer leg, an elevating inner leg capable of extending and retracting up and down in the outer leg and a screw rod connected with the outer leg and the elevating inner leg. The support leg for the semitrailer is characterized in that the lower end of the elevating inner leg is connected with a folding foot, the screw rod is respectively clamped with a screw fixed in the elevating inner leg and a ball bearing installed on a bearing base at the inner side of the outer leg, the upper end of the screw rod is provided with a worm wheel which is fixed by a locking nut and the ball bearing and is provided with a worm rod at one side. The invention has the advantages of compact structure, fewer transmission components, lower production cost, less quantity of welding deformation, convenient production assembly and high precision.

The invention provides a quick disassembly and assembly annular walled rubber belt feeder. A rubber belt can be effectively prevented from deviating and scattering materials; equipment is stable and reliable to run, convenient to disassemble and maintain, and high in transmission efficiency; and the production cost is reduced. The quick disassembly and assembly annular walled rubber belt feeder comprises a rack, a tension drum, a transmission drum, an upper supporting roller group, a lower supporting roller group, a tension device and a power device, wherein a plurality of landing legs are arranged under the rack; a drum-type structure is adopted by at least one of the tension drum and the transmission drum; an annular conveyer belt is arranged between the tension drum and the transmission drum in a tensioning manner; the upper supporting roller group and the lower supporting roller group are used for carrying the annular conveyer belt and materials; the tension device is connected with the tension drum; the power device comprises a geared motor; the geared motor is arranged on the rack, and is in transmission connection with the transmission drum; corrugated sidewalls are vulcanized twice on the left side and the right side of the annular conveyer belt along the length direction; and the annular conveyer belt is free of a diaphragm plate and free of a marginal side.

The invention discloses an intelligent super-large-load self-adaptive automatic speed change system with a reversing function. The intelligent super-large-load self-adaptive automatic speed change system comprises a motor assembly, a forward gear input assembly, a forward gear speed change system, a reverse gear input assembly, a transmission axle used for outputting power and a transmission sensing mechanism used for transmitting power between the forward gear power input assembly and the forward gear speed change system. By adopting the technical scheme, the rotating speed and the torque ofthe motor can be adaptively adjusted, so that the motor is in a high-rotating-speed and high-efficiency working state, the energy consumption is low, the stability and the reliability of the motor areimproved, and the service life of the motor is prolonged; moreover, a front-engine front-drive transmission mode can be realized, and the transmission efficiency is high; and meanwhile, due to the fact that a special reverse gear speed change system is additionally arranged, the motor does not need forward and reverse rotation switching, a larger speed ratio can be provided in the reversing process, the output torque is larger, more extreme conditions can be overcome, meanwhile, the reverse gear speed is low, and the reversing safety is improved.

The invention relates to a wheel rim motor driving system and a wheel rim motor driving axle. The wheel rim motor driving system comprises a driving motor assembly (2) and a main reducer assembly (4), wherein the main reducer assembly (4) comprises a driving gear, at least two intermediate gear shaft assemblies and an output gear (16); each intermediate gear shaft assembly is provided with a driving intermediate gear and a driven intermediate gear that are connected in a jointly rotating manner; a motor output shaft of the driving motor assembly (2) is connected with a driving gear (13); the driving gear (13) is engaged with each driving intermediate gear in each intermediate gear shaft assembly; each driven intermediate gear in each intermediate gear shaft assembly is engaged with the output gear (16); and the driving gear (13) and the output gear (16) are arranged eccentrically. The wheel rim motor driving axle comprises the wheel rim motor driving system. The wheel rim motor driving system and the wheel rim motor driving axle have the advantages of high motor power, large torque and large middle passage width.

The invention discloses a hybrid power coupling mechanism. The hybrid power coupling mechanism comprises two motors, two planetary lines and a shaft tooth system, wherein an engine is connected with aplanet carrier of the first planetary line; a generator is connected with a sun gear of the first planetary line; a brake and a clutch are arranged on the first planetary line; and by reasonable control over the brake and the clutch, a range extending driving mode can be realized. A driving motor is connected with a sun gear of the second planetary line, a planet carrier of the second planetary line is fixed, and an inner gear ring of the second planetary line outputs. The invention further discloses a corresponding control system and method. By an embodiment of the invention, various drivingmodes including a pure electric mode, a range extending driving mode and a hybrid power mode and the like can be realized, only three shafts are required, the structure is compact, and requirements for space are reduced.

The invention belongs to the field of livestock raising fodder processing equipment, and particularly relates to a small self-propelled total-mixed-ration fodder mixing machine. The small self-propelled total-mixed-ration fodder mixing machine comprises a big frame (6), a power mechanism, a stirring mechanism, a clutch brake mechanism, a traveling mechanism and a seat (2). The small self-propelled total-mixed-ration fodder mixing machine is characterized in that an engine (1) and a gearbox (9) in the power mechanism shift towards a driving wheel on one side of the big frame (6). According to the small self-propelled total-mixed-ration fodder mixing machine, space is fully utilized, a vehicle body is compact, short and small, cost is saved, and the small self-propelled total-mixed-ration fodder mixing machine can move in narrow space of a livestock farm conveniently.

The invention relates to a movable unmanned aerial vehicle gas-liquid power ejection system, and relates to the technical field of unmanned aerial vehicle launching. According to the system, an ejection mode of an unmanned aerial vehicle is changed, reverse thrust generated from high-pressure water jetting is directly used as ejection power, an ejection speed is increased by means of pulleys, theenergy secondary conversion is avoided, the energy efficiency is high, the system structural composition is simple, the speed increasing ratio is large, the maneuvering flexibility is good, the problems of electromagnetic interference and the like are avoided, and the system can be widely applied to catapult-assisted take-off of -fixed-wing unmanned aerial vehicles of various types.

The invention relates to a non-intermittent real-time tracking solar energy light collecting drive mechanism and a working method thereof. The non-intermittent real-time tracking solar energy light collecting drive mechanism is characterized by consisting of a light collecting device, a drive mechanism, a speed reducer, an electric motor, an energy output mechanism, an energy output pipeline and a base; the working method comprises: (1) equipment installation; (2) adjusting the light collecting device in the solar energy light collecting drive mechanism to be precisely aligned to the sun; (3) starting the electric motor for driving; (4) energy output; (5) error treatment. The invention has the advantages that the light collecting drive mechanism can continuously track the sun without intermission; the method for adjusting the light collecting angle is simple and easy as well as low in cost, so as to be suitable for promotion and use in families and other small-scale electricity utilization occasions; the mechanism can continuously run so as to have electric power consumption being much lower than that of intermittent driving, has no impact load, is hard to damage, and is much longer in service life than that of intermittent transmission. The invention is an environment-friendly and energy-saving energy collecting device, thus being worth popularizing and applying.

A triple geared transmission unit comprises a box body, a low-speed shaft, a low-speed big gear wheel, low-speed small gear wheels, a medium-speed connection shaft, medium-speed big gear wheels, medium-speed small gear wheels, a high-speed connection shaft, high-speed big gear wheels, a high-speed small gear wheel and a high-speed shaft, wherein, the low-speed shaft is coupled with the low-speed big gear wheel, and at low speed degree, the low-speed big gear wheel is geared with the six low-speed small gear wheels; at medium speed degree, the six medium-speed big gear wheels are separated in three groups, each group comprises two medium-speed big gear wheels and the medium-speed big gear wheels in the same group are geared with a medium-speed small gear wheel simultaneously; at high speed degree, three high-speed big gear wheels are geared with the high-speed small gear wheel which is linked with the high-speed shaft; meanwhile, the transmission unit is characterized by high power, large speed ratio, high efficiency, high reliability, reasonable power distribution, simple structure and low manufacturing cost, and is particularly applicable to wind power generation.

The shifter of detection robot for bearing pipe of heat exchanger includes main frame, transmission mechanism, power unit for electric rollers, motor embedding electric roller assembly and sensor. The two sides of the main frame is connected to the inner and outer fixing boards of the transmission mechanism via upper and lower fixing supports. Electrical rollers with 12 motors in two groups have their spindles distributed on the chain boards on the two sides of the transmission mechanism, and the 12 motors are powered via multi-motor circular motion device fixed to the bottom of the fixing boards. The sensor is fixed to the bottom of the main frame and opposite to the electric rollers. The present invention can shift on the finned bearing pipe of heat exchanger in both X and Y directions continuously and smoothly.

The invention discloses an electric power assisting device for bicycles, which is characterized in that the device comprises a middle axle, a gearless flywheel and a chain wheel, wherein the middle axle is arranged on a bicycle frame, the gearless flywheel is assembled on the middle axle by a gearless flywheel overrunning clutch, the chain wheel is fixed on the gearless flywheel, and the chain wheel is connected with a flywheel fixed on a rear bicycle wheel by a chain; the electric power assisting device for bicycles also comprises an electric driver and an electrically driven sprocket; the electric driver comprises a shell, a motor, a planet gear reducing mechanism, an inner gear ring, an inner gear ring overrunning clutch and an output shaft, wherein the shell is fixed on the bicycle frame, and the motor, the planet gear reducing mechanism, the inner gear ring, the inner gear ring overrunning clutch and the output shaft are arranged in the shell; a rotating shaft of the motor is in transmission connection with the inner gear ring by the planet gear reducing mechanism; the inner gear ring is assembled on the output shaft by the inner gear ring overrunning clutch; the output shaft extends out of the shell and is fixed with the electrically driven sprocket; and the electrically driven sprocket is meshed with the chain. The electric power assisting device for bicycles, disclosed by the invention, is simplified in structure, stable in operation and large in output torque, and can greatly enhance the climbing capacity of an electric bicycle.

The present invention provides an inner meshing transmission mechanism, which comprises an outer wheel, the outer wheel being provided with a first number of circular arc teeth on its inner edge, and said first number of circular arc teeth being arranged around the inner edge of the outer wheel; an inner wheel, the inner wheel being provided with a second number of teeth on its outer rim, said second number of teeth being arranged around the outer rim of the inner wheel, wherein m>n; an eccentric rotation device configured to enable said inner wheel to be eccentrically placed inside of outer wheel; wherein one of said outer wheel, said inner wheel and said eccentric rotation device is connected to an input power, while another one of them being connected to an output device so that power is transmitted through engagement between said outer wheel and said inner wheel; and wherein the toothed profile of said inner wheel is designed such that at any time when said inner wheel is engaging with said outer wheel for transmission, only a portion of said second number of teeth engage with said first number of circular arc teeth, while the rest of said second number of teeth are separate from said first number of arc teeth.

The invention relates to a vertical deceleration direct current permanent magnet motor, which resolves the problem that the existing motor matched with a food processor in use is large in volume, high in mass, small in torque, high in temperature rise and high in cost. The motor comprises a vertical motor and a reduction box which are integrated. The reduction box comprises an inner gear ring. Three first-grade planet gears, a planet support, three second-grade planet gears and an output shaft of the reduction box are arranged in the inner gear ring. The first-grade planet gears and the second-grade planet gears all adopt non-equidistance meshing structure and are respectively meshed with the inner gear ring. Two first-grade planet gears are meshed with an output shaft of the motor, two second-grade planet gears are meshed with a transmission shaft, and inner teeth of the inner gear ring adopt the unsymmetrical non-involute helical tooth structure. The vertical deceleration direct current permanent magnet motor is large in transmission speed ratio and small in size, adopts the vertical direct current permanent magnet motor structure which is small in size, light in quality and small in noise, reduces manufacture cost, and is capable of conducting a spark test of a commutator.

The invention relates to an emergent manual car main and secondary oil tank conversion valve, which comprises an electric conversion valve; a planetary gear is connected with a motor shaft of the electric conversion valve through a gear crankshaft; a rotary knob is slidingly mounted in a protection bush; a reset spring is arranged under the rotary knob; a first inner gear is fixedly mounted in the rotary knob; the planetary gear is slidingly engaged with the first inner gear; the planetary gear is engaged with a second inner gear; and the second inner gear is fixedly mounted in a base. According to the emergent manual car main and secondary oil tank conversion valve provided by the invention, the main and secondary oil tank conversion valves can be quickly converted by the configured emergent manual converting rotary knob. The configured planetary gear mechanism has higher speed increasing ratio, so that quick conversion can be realized.

The invention relates to the field of cars, in particular to a gear supporting structure, a hub motor drive system and a hub motor drive axle. The gear supporting structure comprises a front end cover (24) of a drive motor assembly (2) and a gear rack (20), wherein the front end cover is provided with first supporting holes (241); the gear rack is provided with second supporting holes (201); the gear rack (20) is arranged on the front end cover; the gear rack and the front end cover jointly form an accommodating space (25); first supporting holes and the second supporting holes are in one-to-one correspondence; the corresponding first supporting holes and the second supporting holes are once processed and molded; the accommodating space is positioned between the first supporting holes and the second supporting holes. The hub motor drive system comprises the gear supporting structure. The hub motor drive axle comprises the hub motor drive system according to the claims. The coaxiality of two bearing bases for mounting a gear can be guaranteed by the gear supporting structure, the hub motor drive system and the hub motor drive axle.

The invention relates to a novel oil pipe screwing machine, which is an electric tool for screwing or removing a screw connection device, and belongs to the field of machinery manufacturing. It uses hydraulic dual motors to drive the planetary gear transmission mechanism to realize the adjustable and controllable speed, and uses the differential speed to realize the stepless speed change of the speed. It is characterized in that the planetary gear system is composed of a central gear, a planetary gear, a sun gear, and components, and the central gear, planetary gear, and sun gear are arranged in sequence from the inside to the outside, and the inner teeth of the sun gear and the outer teeth of the sun gear are respectively connected with the outer teeth of the planetary gear. The teeth mesh. The center wheel and the sun wheel are respectively connected with corresponding hydraulic motors through gears. One end of the main tong is connected to the planetary gear shaft through the connecting piece, and the other end is fixed to the single-rod oil cylinder. The invention has the advantages of large speed ratio, large torque, no shock, no noise, no equipment damage, simple operation and the like.