21results about How to "Increase the reduction ratio" patented technology

The utility model discloses a planetary disc type joint module and a robot with the same, the planetary disc type joint module comprises a shell, a planetary reducer assembly, a motor assembly and an electrical cabin, the planetary reducer assembly, the motor assembly and the electrical cabin are arranged in the shell, a hollow shaft and an inner gear ring are arranged in the shell, and the planetary reducer assembly and the motor assembly are arranged in a nested mode; an output end magnetic ring and a motor end magnetic ring are arranged on the hollow shaft, the two magnetic rings are installed in an embedded mode, signals of the two magnetic rings can be detected through one code disc reading head, and the motion of the output end of the planetary reducer assembly is transmitted to an electric cabin of the joint through the hollow shaft. The signals of the motor end and the output end can be detected at the same time without additionally installing an output end encoder assembly, and the control precision of the joint output end is improved; the planetary reducer assembly adopts multi-stage speed reduction, the speed reduction ratio is large, the torque density of the joint is high, the rotational inertia is small, and the overall integration degree is high.

The utility model relates to the field of engineering machinery, and discloses a cleaning device for a rust removal operation machine and the rust removal operation machine.The cleaning device comprises a mounting support, a rotary support, a cleaning mechanism and a rotary speed reducing mechanism, the mounting support is used for being connected with the head of a main arm frame of the rust removal operation machine, the rotary support is mounted on the mounting support, and the cleaning mechanism is mounted on the rotary speed reducing mechanism; the cleaning mechanism comprises a cleaning disc connected to the rotary support through a cleaning connecting rod, and the rotary speed reducing mechanism is arranged on the mounting support and used for driving the rotary support to drive the cleaning disc to rotate so as to adjust the inclination angle of the cleaning disc. According to the cleaning device for the rust removal operation machine and the rust removal operation machine, accurate adjustment of the inclination angle of the cleaning disc can be achieved, so that a basis is provided for accurate control over rust removal cleaning operation, and the rust removal effect is improved.

The planetary column type joint module comprises a shell, a planetary reducer assembly, a motor assembly and an electrical cabin, the planetary reducer assembly, the motor assembly and the electrical cabin are arranged in the shell, a hollow shaft and an inner gear ring are arranged in the shell, and the planetary reducer assembly and the motor assembly are arranged in the shell in series. An output end magnetic ring and a motor end magnetic ring are arranged on the hollow shaft, the two magnetic rings are installed in an embedded mode, signals of the two magnetic rings can be detected through one code disc reading head, and the motion of the output end of the planetary reducer assembly is transmitted to an electric cabin of the joint through the hollow shaft. The signals of the motor end and the output end can be detected at the same time without additionally installing an output end encoder assembly, and the control precision of the joint output end is improved; the planetary reducer assembly adopts multi-stage speed reduction, the speed reduction ratio is large, the torque density of the joint is high, the rotational inertia is small, and the overall integration degree is high.

The invention provides a hollow double-code integrated joint module, which belongs to the technical field of robots and comprises a motor fixing plate, a driving plate, an input end double-rail magnetic ring code, a brushless direct current motor, a braking device, a planetary cycloidal pin wheel coupling cascade speed reducer, a middle shaft and an output end off-axis code. According to the invention, the interior is hollow, wiring is facilitated, the interior of the whole joint module is hollow, and the middle shaft is relatively static, so that cables can be arranged, the abrasion of the cables is reduced, and the stability of a system is improved. And meanwhile, the reduction ratio is high, the torque is large, the reduction ratios of the two stages of speed reducers are mutually coupled, and compared with traditional cascade speed reduction, the speed reducer can increase the reduction ratio and improve the joint torque.

An output gear ring and an end cover are sequentially arranged at the right side end of a shell to form a mounting shell, a planet carrier is arranged in the center of the interior of the mounting shell, a plurality of planet wheels are evenly distributed on the periphery of the right side of the planet carrier, a sun wheel is further inserted into the right side end of the planet carrier, and the sun wheel is meshed with the planet wheels at the same time; the outer side of the tail end of the left side of the planet carrier is sleeved with an eccentric shaft sleeve, the outer side of the head end of the right side of the planet carrier is sleeved with a fixed duplicate gear, the outer side of the fixed duplicate gear is sleeved with a middle duplicate gear, the fixed duplicate gear and the middle duplicate gear are each provided with an outer gear and an inner gear, and the inner gear of the fixed duplicate gear is meshed with a plurality of planet gears at the same time. An inner gear of the middle duplicate gear is meshed with an outer gear of the fixed duplicate gear, and an inner gear ring of the output gear ring is meshed with an outer gear of the middle duplicate gear. The planetary reducer solves the problem that an existing planetary reducer is too large in size when a large reduction ratio is achieved, and the requirement for high-reduction-ratio transmission in a limited space is met.

The utility model belongs to the technical field of speed reducers, and particularly relates to a novel speed reducer with small tooth difference. Comprising a speed reducer shell and a speed reducer end cover, a fixed gear is fixedly arranged in the speed reducer shell or the speed reducer end cover, transmission assemblies matched with one another are arranged in the speed reducer shell, and each transmission assembly comprises an eccentric input shaft, a first cycloid gear, a second cycloid gear and an output gear; when the eccentric input shaft rotates, the first cycloid gear can be driven to do cycloid rotation along the fixed gear, the second cycloid gear follows the fixed gear to do cycloid rotation, and due to the fact that the tooth number difference between the fixed gear and the first cycloid gear is the same as the tooth number difference between the first cycloid gear and the output gear, the tooth number of the first cycloid gear is the same as the tooth number of the second cycloid gear; therefore, the second cycloid gear can drive the output gear to rotate back. The reduction ratio of the small-tooth-difference speed reducer is obtained by subtracting the tooth number of the output tooth difference from the tooth number of the fixed gear and then dividing by the tooth number of the first cycloid gear or the second cycloid gear.

A speed reducing motor for an automobile pedal comprises a motor body and a speed reducing box in transmission connection with the motor body, the speed reducing box comprises a box body, and an input cavity, a speed reducing cavity and an output cavity which are communicated in sequence and are perpendicular to one another in axis are formed in the box body; the box body is provided with an input port on one side of the input cavity, and a flange cover is integrally formed on the outer side of the input port; a middle worm and a middle bevel gear arranged on the middle worm in a sleeving mode are arranged in the speed reduction cavity. An output shaft and an output bevel gear which is arranged on the output shaft in a sleeving mode and meshed with the middle worm are arranged in the output cavity, output ports are formed in the positions, at the two ends of the output cavity, of the box body, and the two ends of the output shaft penetrate through the output ports and extend to the outer side. The motor body comprises a machine shell, a stator, a rotor and a motor shaft, the machine shell is installed on the flange cover, the end portion of the motor shaft penetrates through the input port, extends into the input cavity and is in transmission connection with the middle bevel gear, and a Hall controller is arranged in the flange cover; the utility model has the advantages of compact structure, large torque, reliable self-locking, integrated control and the like.

The invention discloses an actinide iron hoop body thin film material as well as a preparation method and application thereof, and belongs to the technical field of iron materials. The actinide iron ring body thin film material is a crystal thin film prepared by a spin coating method, and chemical components of the actinide iron ring body thin film material comprise cyclodextrin, actinide ions and alkali metal ions. Firstly, the actinide cyclodextrin crystal thin film is prepared on a substrate through a spin-coating method, and the thin film is good in compactness and controllable in thickness; and high-efficiency controllable reduction of the crystal film is realized through two ways of irradiation reduction or LED photoreduction, so that the iron ring body film is obtained. The actinide iron hoop body thin film material has the basic properties of iron hoop bodies, and lays an important foundation for development of iron hoop body devices.

The utility model discloses a polygonal drill bit and drilling equipment, the polygonal drill bit comprises a drill bit outer shell with the cross section of a polygonal structure, and a rammer block capable of sliding up and down and a driving assembly capable of driving the rammer block to move up and down are arranged in the drill bit outer shell. The drilling equipment comprises a vehicle body, a lifting assembly and a polygonal drill bit. When a polygonal hole is drilled, a traditional rotary excavating drill bit is used for drilling a round hole, then the polygonal drill bit disclosed by the utility model is replaced, and the polygonal hole is drilled in a manner of continuously lifting and descending a rammer for finishing. The polygonal hole drilling machine has the advantages that the polygonal hole is drilled in a continuous rammer trimming mode, and compared with a traditional mode that all edges of the polygonal hole are trimmed through an excavator, the operation difficulty is low, and the drilling efficiency is high.

The invention discloses a modular light rifle weapon station which comprises a modular base. The weapon station main structure is connected between the modular base and the modular cradle and used for driving the direction movement and the pitching movement of the carried rifle and providing a rotary cable interface for the control module; the modular cradle is used for clamping and fixing the firearms, providing connection for the observing and aiming module and bearing recoil impact load in the shooting process; the external shooting control execution module is connected with a grip of the carried rifle and drives a trigger of the carried rifle and a fast and slow machine mechanism to move; the observing and aiming module is used for acquiring image information of a target; and the control module is used for identifying and positioning a target, controlling the weapon station main structure to perform directional movement and pitching movement, outputting a control instruction to the external shooting control execution module, driving the trigger to realize shooting action, and driving the fast and slow machine shifting block to rotate to complete firearm gear switching. The method has excellent shooting precision and striking performance.

The utility model provides a planet series harmonic composite speed reducer, and relates to the technical field of speed reducers. The crossed roller bearing is connected to one side of the steel wheel; and the harmonic speed reduction structure is connected to the crossed roller bearing, and the harmonic speed reduction structure comprises a flexible gear switching block, a flexible gear pressing plate and a flexible gear. The planetary reducer has the beneficial effects that the planetary reducer structure and the harmonic reducer structure take the cam as a common element, and the cam and the inner gear ring are ingeniously combined, so that the advantages of high bearing capacity of planetary reducer and small volume and large reduction ratio of harmonic reducer are fully played, and the efficient, compact and stable reducer effect is realized; a planet carrier in the planetary speed reduction structure is connected with a flexible gear pressing plate so that the planet carrier and the flexible gear pressing plate can work cooperatively, power is transmitted to a sun gear through an input shaft to drive a planet gear to rotate and revolve around the sun gear, and after preliminary speed reduction is achieved, power is transmitted to the harmonic speed reduction structure through a cam.

The utility model provides a hinge and foldable electronic equipment, and relates to the technical field of electronic equipment accessories. The hinge comprises a first hinge mechanism and a second hinge mechanism which are symmetrically arranged, and each of the first hinge mechanism and the second hinge mechanism comprises an input shaft capable of rotating along the center axis of the input shaft; the swing arm is located on one side of the synchromesh gear in the radial direction, the swing arm is provided with a tooth surface structure, and the tooth surface structure is meshed with the synchromesh gear; wherein the input shaft is in transmission connection with the synchromesh gear or the swing arm, and the synchromesh gear of the first hinge mechanism is meshed with the synchromesh gear of the second hinge mechanism. Through the arrangement, the movement synchronism of the swing arms on the two sides when the hinge rotates is improved, and the movement synchronism of the first folding main body and the second folding main body of the foldable electronic equipment can be improved.

The present invention discloses a vertical turret for reducing friction, and relates to the technical field of turrets. The technical scheme thereof mainly includes: comprising a base, a housing and a gearbox arranged on the base, the housing being rotatably arranged on the base, and the locking gear being able to mesh with the movable toothed disc and the fixed toothed disc at the same time; the gearbox being provided with a servo motor and a transmission mechanism, and the servo motor driving the housing to rotate through the transmission mechanism; the housing and the base are connected in rotation through a thrust bearing arranged therebetween, and the thrust bearing supports the weight of the housing through an upper bearing surface; when the locking toothed disc moves upward due to oil entering the unlocking chamber, the locking toothed disc overcomes the gravity of the housing and lifts the thrust bearing upward. The resistance of the vertical turret during rotation is small, and the power demand for the servo motor is reduced, which is beneficial to the energy saving and miniaturization of the equipment; when the vertical turret is not changing the tool, the thrust bearing is subjected to small force, and its service life is long, and the transmission mechanism has a high reduction ratio and good compactness.

The water pump with the flow path control function comprises an upper cover and a lower shell, the upper cover and the lower shell are buckled up and down to form a pump cavity and an execution cavity, a pump assembly is arranged in the pump cavity, and a valve actuator assembly is arranged in the execution cavity; the pump assembly comprises a stator assembly, a rotor assembly, a pump shaft, an impeller and a rotary guide plate, the pump shaft is fixedly connected to the upper cover, the lower end of the pump shaft sequentially penetrates through the stator assembly, the rotor assembly and the impeller downwards, the stator assembly is fixedly connected with the pump shaft, the rotor assembly and the impeller are rotatably connected to the pump shaft through a sliding connection structure, and the rotor assembly can drive the impeller to rotate; the rotary flow guide plate is arranged on the periphery of the impeller in a sleeving mode and is in transmission connection with the valve actuator assembly, and the valve actuator assembly can drive the rotary flow guide plate to rotate around the pump shaft to adjust the flow of the water pump. The pump and the valve control plate are integrated in the pump cavity, the axial size is smaller, the structure is more compact, and the overall size of the water pump is greatly reduced.

This utility model relates to the field of vehicle technology, and more particularly to a forklift drive wheel assembly and a forklift. The forklift drive wheel assembly provided by this utility model includes a mounting bracket, a drive wheel, and a drive mechanism. The mounting bracket has a first side and a second side facing away from each other. The drive mechanism includes a drive source, a gear reduction assembly, and a planetary gear assembly. The drive source is disposed on the first side of the mounting bracket, and the gear reduction assembly is disposed on the second side of the mounting bracket. The output end of the drive source is connected to the input end of the gear reduction assembly through the planetary gear assembly. The drive wheel is disposed on the first side of the mounting bracket and offset from the drive source, and the drive wheel is connected to the output end of the gear reduction assembly. By using the planetary gear assembly, the reduction ratio can be increased without changing the speed of the drive wheel, thus enabling the gear reduction assembly to adapt to drive sources with low torque, large capacity, and small size. The forklift provided by this utility model can meet the requirements of miniaturization.

The utility model provides an inner rotor speed reduction hub motor for a wheelchair and the wheelchair, and the inner rotor speed reduction hub motor comprises an electromagnetic brake assembly, a hub assembly, a stator sheath assembly, a rotor assembly, a stator assembly, a planetary support assembly and an end cover assembly, the electromagnetic brake assembly and the end cover assembly are installed at openings in the two ends of the hub assembly respectively, the rotor assembly and the stator assembly are installed in the stator sheath assembly in a sealed mode, the stator sheath assembly is installed in the hub assembly in a sealed mode, and the stator sheath assembly is connected with the planet support assembly. The rotor assembly and the stator assembly are matched and are in transmission connection with the planetary support assembly, and the planetary support assembly is in transmission connection with the end cover assembly. According to the utility model, an inner rotor type structure is matched with a duplex-tooth planetary speed reduction structure, so that the comfort can be ensured, and the internal space can be effectively utilized to improve the power density; by integrating the direct-current brushless motor and the planetary speed reducing mechanism, the weight can be reduced, and the torque can be improved.

The invention relates to a drive unit for a motor vehicle, comprising an electric drive (6, 7, 8) having an electric motor (6) and a drive wheel (8). Furthermore, an adjusting element (5) which is acted upon by the drive wheel (8) is provided. And a crown gear transmission stage is arranged between the pinion (7) and the driving wheel (8) on the output shaft of the motor (6). According to the invention, the drive wheel (8) has a helical structure (9) and / or a gear structure (11) for loading the adjusting element (5).

The utility model discloses an automobile gearbox double shifting fork gear selecting and shifting execution controller and a transmission device thereof, the transmission device comprises a planetary gear ring support and two planetary gear parts, the two opposite sides of the planetary gear ring support are sunken inwards to form two inner gear rings, and the two planetary gear parts correspond to the two inner gear rings and are movably arranged on the corresponding inner gear rings; the planetary gear part comprises a driving piece, a transmission assembly and a planetary gear train, the planetary gear train is arranged in the inner gear ring and comprises a planet carrier, at least one planet wheel and a sun wheel, and the planet carrier is provided with a shifting rod and is coaxial with the inner gear ring. The driving parts are in transmission connection with the corresponding sun gears through the corresponding transmission assemblies so as to drive the corresponding sun gears to rotate, the transmission assemblies are used for improving the reduction ratio, and the two driving parts are arranged on the same side, perpendicular to the axial direction, of the planetary gear ring support side by side. The double-shifting-fork gear shifting device is used for achieving double-shifting-fork gear shifting of an automobile gearbox, improving the structural compactness and achieving the good reduction ratio performance at the same time.

The utility model relates to several parallel harmonic deceleration electric linear actuators. The linear actuator is composed of a parallel harmonic reducer with a built-in motor and a lead screw nut transmission mechanism. A harmonic reducer of the built-in motor has two forms of a built-in outer rotor motor and a built-in inner rotor motor, high-speed rotating motion of the built-in motor is output to a rotating shaft or a shell after being subjected to large-proportion speed reduction and torque increase through the parallel harmonic assembly, and a lead screw or a nut of the lead screw and nut transmission mechanism is driven to do rotary motion. Therefore, the rotary motion is converted into linear motion. Due to the fact that the parallel harmonic assembly is used for speed reduction, the electric linear actuator has the advantages of being large in speed reduction ratio, small in energy consumption loss, high in load capacity, rigidity and precision and the like.

The invention relates to the technical field of automobile axles, in particular to a two-stage hub reduction gear which comprises a reduction gear shell and a planetary reduction mechanism, and the planetary reduction mechanism comprises a first gear ring, a second gear ring, a planet carrier assembly, a sun gear, a first planet gear and a second planet gear. The first gear ring is fixedly arranged on the speed reducer shell and coaxially arranged with the speed reducer shell, the sun gear, the first planet gear and the second planet gear are rotationally arranged on the planet carrier assembly, the sun gear and the second gear ring are coaxially arranged and used for being in transmission connection with a half shaft of a drive axle, and the first planet gear is meshed with the sun gear and inner teeth of the second gear ring. And the second planet gear is meshed with outer teeth of the first gear ring and outer teeth of the second gear ring, and the working condition requirements of low speed ratio and high torque of a vehicle are met by arranging the two-stage speed reduction mechanism. The invention provides the drive axle which is provided with the two-stage hub reduction gear, so that the power of a vehicle is improved.

The utility model provides a hollow bearing seat configuration structure of double one-way clutch of middle motor of electric bicycle, it contains: a hollow bearing seat and two one-way transmission devices with two different diameters, there is a flange outside the hollow bearing seat to combine with the chain tooth disc frame of pedal shaft, the hollow bearing seat is sleeved on the pedal shaft, and the smaller end of its diameter supports the first one-way transmission device, the one-way transmission device is directly integrated in the outer cover of motor, and the outer diameter of one end is sleeved with the planetary gear seat of motor reduction mechanism, the first one-way transmission device, on one hand, transmits the electric power of motor to the chain tooth disc frame of bicycle, and on the other hand, the rider's riding without electric power will not be affected by the magnetic hysteresis effect in the motor.