46results about How to "Achieve high torque output" patented technology

A series coupling synchronous axial gap motor comprising a rotary shaft as a main shaft, and rotors and stators stacked alternately in the axial direction through required air gaps. The rotor is secured to the rotary shaft, the stator is arranged not to be interlocked with the rotary shaft, the rotor is fixed with a plurality of revolving field bodies around the axis, the stator is fixed with a plurality of armature coils around the axis that oppose the revolving field bodies through air gaps, and the armature coil is fixed with an air core or a core material of magnetic body.

The invention discloses a composite flexural vibration sandwich type double-foot linear ultrasonic motor vibrator, and belongs to the technical field of piezoelectric ultrasonic motors. The vibrator solves the problem that the output thrust of a motor is affected by inconsistent vibration properties of two driving feet of the conventional flexural vibration modal beam type linear ultrasonic motor vibrator. Eight flexural vibration piezoelectric ceramic chips are sleeved on a stud of the vibrator, two end covers are respectively screwed at two ends of the stud to compact the eight flexural vibration piezoelectric ceramic chips, an electrode plate is respectively arranged between the adjacent flexural vibration piezoelectric ceramic chips and between the contact faces of the flexural vibration piezoelectric ceramic chip and the big end face of the end cover, insulating bushes are arranged between the contact faces of all the flexural vibration piezoelectric ceramic chips and the stud and between the contact faces of all the electrode plates and the stud, two thin-wall beams are symmetrically arranged at two sides of the big end face of each end cover, a mounting seat is fixed at the outer side of each thin-wall beam, a driving foot is arranged on the small end face of each end cover, and the driving feet are blocks, the sections of which are in the same shape as the small end faces. The vibrator is suitable for an ultrasonic motor.

The invention discloses an internal spray milling and excavating machine device, which belongs to construction machinery equipment. The structure includes a machine case, a bearing box installed at the end of the machine box, milling heads fitted at both ends of the bearing box, and an internal spray water path penetrating through the inside of the machine box. The chassis is used to transmit power to the bearing box, the bearing box is used to drive the milling head to rotate at high speed, and the inner spray waterway is used to connect the water spray port on the milling head and the high-pressure dust removal liquid. The internal spray milling machine device proposed by the present invention solves the technical problem of the internal spraying of the milling head, and realizes the efficient dust removal and ash removal functions of the milling machine device by rationally setting the pipeline and sealing structure, which greatly improves the current construction. The environment has a wide range of environmental and social values, and has a huge application prospect.

The invention relates to a longitudinal and bending composite mode sandwich two-foot ultrasonic linear motor oscillator with an elastic support, and relates to the technical field of piezoelectric ultrasonic motors. The problems that the traditional ultrasonic motor oscillator has insufficient vibrational energy utilization and restricted mechanical output capability are solved. The oscillator comprises two end covers, two pairs of longitudinal vibration piezoelectric ceramic chips, two pairs of bending vibration piezoelectric ceramic chips, a stud, four mounting seats, four thin-walled beams, an insulating sleeve, nine electrode chips and two friction plates, wherein the end cover is a tapered quadrangular prism body with a rectangular section, the small end surface of the end cover is used as a driving foot, the friction plates are fixed in through grooves of the small end surfaces of the end covers, and the end covers are respectively screwed on the two end parts of the studs through threaded holes on the large end surfaces of the end covers, so that the bending vibration piezoelectric ceramic chips and the longitudinal vibration piezoelectric ceramic chips are tightly pressed between the two end covers. The invention can be applied to the field of ultrasonic motor production.

The present disclosure provides an exoskeleton knee joint module, comprising: a reducer, including an input end and an output end; a torsion spring base connected with the output end; a casing sleeved on the reducer, and a first end of the casing is An arc-shaped chute is arranged on the end surface; a torsion spring is sleeved on the casing, and both ends of the torsion spring are fixedly connected with the torsion spring base and the first end respectively; a plurality of magnetorheological fluid bearings are sleeved on the reducer at intervals On the upper side, the inner ring of the magnetorheological fluid bearing is connected with the reducer, and the outer ring of the magnetorheological fluid bearing is connected with the outer shell; the excitation coil is arranged between two adjacent magnetorheological fluid bearings; two one-way bearings , the inner ring is sleeved on the shaft of the input end respectively, and the overtaking directions of the two one-way bearings are the same; the first connecting piece is sleeved on the outer ring of one one-way bearing, and the first connecting piece is provided with a boss, the convex The table is slidably clamped in the arc-shaped chute; and the second connecting piece is sleeved on the outer ring of the other one-way bearing. The present disclosure also provides an exoskeleton robot.

The invention relates to an orthogonal transducer type cylindrical traveling-wave ultrasonic motor vibrator belonging to the technical field of piezoelectric ultrasonic motors and solving the problems that the mechanical output capability of a motor is restricted because the prior ultrasonic motor vibrator adopts a metal elastomer to bond piezoelectric ceramic thin plates to excite, and the mechanical output capability and the controllability of an ultrasonic motor are reduced because a plurality of transducers are driven simultaneously. The orthogonal transducer type cylindrical traveling-wave ultrasonic motor vibrator comprises a cylinder and an orthogonal transducer, wherein the orthogonal transducer is formed by orthogonally connecting amplitude rods of a first transducer and a secondtransducer into a whole, both sides of each transducer flange are respectively connected with screw posts which are respectively screwed with the amplitude rods and a rear end cover, the screw posts among the flange, the amplitude rods and the rear end cover are respectively sleeved with piezoelectric ceramic plates and electrode plates, insulating sleeves are arranged among the piezoelectric ceramic plates, the electrode plates and the screw posts, and a plurality of comb-shaped driving teeth are evenly distributed on the inner wall of the cylinder along a circumferential direction. The orthogonal transducer type cylindrical traveling-wave ultrasonic motor vibrator is used for the field of manufacturing ultrasonic motors.

The invention discloses a distribution type electrically driving vehicle speed limit control method. Accelerator pedal information is firstly collected, torque T0 given by a accelerator pedal is calculated, then the current rotating speed value Ni, allowable maximum torque Tmaxi, allowable maximum working rotating speed Nmaxi and disoperation condition information Si of all driving motors are collected, motor rotating speed Nmax corresponding to the highest vehicle speed allowable highest vehicle speed of an existing vehicle and the average rotating speed Navg of a non-fault motor are calculated, the amount of the motor rotating speed Nmax and the amount of the average rotating speed Navg are prepared, the smaller one is the speed limiting value Nlimit of all driving motors, and the torqueorder of all driving motors are calculated according to a speed limiting and controlling unit. According to the distribution type electrically driving vehicle speed limit control method, the difficult problem that control of all driving motors and a whole vehicle speed of a distribution type electrically driving vehicle is complex is efficiently solved, and requirements of vehicle high speed limiting and controlling of part of the motors are reconciled.

The embodiment of the present invention discloses a manipulator end tool, including a power output mechanism configured to control the working tool to perform corresponding working actions; wherein, it also includes a front shaft; the first shaft of the front shaft The first end is sleeved with the output shaft of the power output mechanism, and the sleeved end of the sleeve is radially engaged; the second end is configured as a structure that can be connected with the working tool. By adding a front shaft to the output shaft of the power output mechanism, and making the front shaft and the output shaft form a rotating clamping connection, the torque transmission can be realized through the clamping connection, the impulse force can be reduced, and the large torque output of the working tool can be realized without damage job object. It can realize high torque output in the range of 0‑130Nm.