8results about How to "Large output torque" patented technology

The utility model discloses a kind of intelligent circuit breaker combination brake drive mechanism and intelligent circuit breaker, intelligent circuit breaker combination brake drive mechanism includes the casing of operating mechanism installation, and drive source piece and reduction drive assembly are transmissionally connected and installed in casing, further include transmission gear and push rod;Transmission gear is engaged with reduction drive assembly, and part gear one is fixed with on the back of transmission gear coaxially;The push rod is rotatably installed on casing and can be driven operating mechanism by connecting rod brake, and its upper portion extends to casing outside, and its lower portion is fixedly provided with part gear two, part gear two and part gear one tooth profile match, and realize unidirectional intermittent meshing transmission when transmission gear forward rotation;Intelligent circuit breaker includes above-mentioned intelligent circuit breaker combination brake drive mechanism.The utility model has compact structure, reliability is greatly promoted, operation safety is high, manual operation convenience is good, state perception precision and control intelligentization and the like advantages.

The utility model discloses a spatial positioning and pointing mechanism. The mechanism comprises a structure supporting piece, a stepping motor, a harmonic reducer, a Hall angular displacement sensing device and a controller, wherein the structure supporting piece comprises a bearing seat and an output shaft; the stepping motor is used for driving a rotor of the stepping motor to rotate according to the pulse signal; a flexible gear of the harmonic reducer is connected with the output shaft, and a rigid gear is connected with the bearing seat; the wave generator is connected with a rotor of the stepping motor; the Hall effect sensor is installed at the fixed end of the output shaft, and the magnetic steel is installed at the rotating end of the output shaft. The controller is used for receiving the output voltage of the Hall angular displacement sensing device and calculating the position of the spatial positioning pointing mechanism according to the angular displacement and the angular velocity. The mechanism adopts the Hall effect sensor, so that the structure is more compact, the weight and the size are obviously reduced, and the assembly difficulty is reduced; the harmonic reducer is adopted to improve the angular displacement resolution, the output torque is larger, and the application range is wider.

This application relates to the field of robotics, specifically to a leg structure for a robot and the robot itself. The leg structure for the robot includes: a thigh rod, comprising a power unit, a first gear, a second gear, a third gear, and a rocker arm; the first gear is fixedly mounted on the output end of the power unit; the second gear meshes with the first gear, and the third gear meshes with the second gear; the rocker arm is relatively fixed to and coaxially rotates with the third gear, the pitch circle diameter of the third gear being larger than that of the first gear; a pull rod, including a first end and a second end, the first end of the pull rod being connected to the rocker arm; and a lower leg rod, including a first connecting portion and a second connecting portion, the lower leg rod being rotatably connected to the thigh rod through the first connecting portion, the second connecting portion being connected to the second end of the pull rod, and the first connecting portion and the second connecting portion being spaced apart. By using a multi-gear structure instead of a reducer structure, the range of motion of the lower leg rod relative to the thigh rod is increased, and the leg structure is low-cost and compact.

This invention discloses a high torque density magnetic harmonic reducer axial permanent magnet servo motor. The axial field-modulated motor includes a stator, a left rotor, a right rotor, permanent magnets, and armature windings. The radial magnetic harmonic reducer includes a stator, an outer rotor, an inner rotor, permanent magnets, and ball bearings. This invention integrates the stator of the magnetic harmonic reducer with the stator of the field-modulated motor, directly connecting them and eliminating the mechanical reducer structure of traditional servo systems, effectively reducing the overall weight of the servo system. The field-modulated motor uses an axial structure to improve the torque density of the servo system. The magnetic harmonic reducer uses a radial structure embedded in the hollow space inside the field-modulated motor to achieve a lightweight, highly integrated servo system design. Both the field-modulated motor and the magnetic harmonic reducer use surface-mounted permanent magnet structures to reduce torque ripple.

The invention discloses a dexterous hand based on shape memory alloy transmission. The dexterous hand comprises an arm module, a wrist module and a palm module which are sequentially connected. A thumb module and a plurality of finger modules are arranged on the palm module; the device further comprises an SMA transmission module. The SMA transmission module comprises an SMA driver, a shape memory alloy and a transmission tendon rope; the finger module and the thumb module are provided with finger tendon rope fixing points, reset tension springs and reset tendon ropes. When the fingers need to be driven, the shape memory alloy is powered on through the SMA driver, the shape memory alloy is heated and shrunk after being powered on, and then the transmission tendon rope is driven to enable the fingers to be bent. When the fingers need to be reset and straightened, the SMA driver controls the shape memory alloy to stop heating, the shape memory alloy is cooled, and under the action of the reset tension spring, the reset tendon rope is pulled, so that the joints are reset.

This invention discloses a wheel hub motor-based vehicle steering control method, comprising the following steps: setting the target rotational speed of the wheel hub motors during center turn; employing a common-parameter, different-proportion PI algorithm to calculate the target torque of each wheel based on the difference between the actual rotational speed and the target rotational speed of each wheel hub motor; calculating the sum of the target torques of the left and right wheel hub motors; and obtaining the larger value T of the sum of the target torques of the left and right wheel hub motors. max ; Calculate the sum of the target torques of the left and right motors and T max The algorithm calculates the difference between the left and right wheel hub motors and distributes them according to the percentage of rotational speed among the hub motors on the same side. It also calculates the first, second, and third target torques for each hub motor and sets the rotation directions and target torques for each motor. This algorithm enables the vehicle to steer around its geometric center by rotating the left and right wheel hub motors in both directions, significantly reducing the turning radius and improving the vehicle's passability.

The utility model provides a kind of micron linear drive device, including shell, base, reducer box shell and by shell, the internal space being enclosed by reducer box shell and base jointly, internal space is integrated with miniature motor, reducer, screw mechanism and sensor, the motion control single-chip microcomputer drive board of motor and the embedded processing circuit board of sensor signal processing;Single-chip microcomputer drive board is electrically connected with miniature motor, the input end of reducer is connected to the output end of miniature motor, screw mechanism includes screw nut and screw rod, and the output end of reducer is connected to screw rod, and screw nut connection is equipped with screw nut fixing seat, and screw nut fixing seat is connected with external shaft, and external shaft extends base;Embedded processing circuit board is electrically connected with sensor, and single-chip microcomputer drive board is electrically connected with embedded processing circuit board, and sensor is used to detect the position change of external shaft, and male plug is provided on base, and male plug is connected with single-chip microcomputer drive board.

The utility model belongs to the technical field of magnetic suspension motors, and discloses a novel permanent magnet rotor and a magnetic suspension motor, and the novel permanent magnet rotor comprises a longitudinally arranged connecting shaft, and an upper permanent magnet rotor and a lower permanent magnet rotor which are vertically arranged at the two ends of the connecting shaft. The upper permanent magnet rotor is provided with a first annular Halbach array formed by at least two first magnet units in a surrounding mode, the lower permanent magnet rotor is provided with a second annular Halbach array formed by at least two second magnet units in a surrounding mode, and the connecting shaft is of a non-magnetic-conduction structure. The magnetic suspension motor comprises a stator and the novel permanent magnet rotor arranged at the central position of the stator. According to the novel permanent magnet rotor, the annular Halbach arrays are arranged on the upper permanent magnet rotor and the lower permanent magnet rotor, the magnetic field structure is optimized, the magnetic field utilization rate of the permanent magnet material is improved, the output torque of the motor can be increased, the cogging torque can be reduced, the torque fluctuation is reduced, and the operation stability and the operation efficiency of the motor can be improved.