5results about How to "Guaranteed output torque" patented technology

The utility model provides a kind of annular cutting equipment, it is related to cutting field, including main support, rotary support, radial feed mechanism, it is characterized by: the main support is composed of base, linear motion mechanism, drive mechanism, gravity balance system, the drive mechanism is composed of rack, first speed reducer, gear and first servo motor, the rack is fixed on base by bolt, the first speed reducer is fixed on linear motion mechanism, the gear is fixed on the output shaft of first speed reducer and is engaged with rack, the first servo motor is installed in the input end of first speed reducer, drive gear linearly moves along rack by first speed reducer speed reduction and torque increase, in the utility model, each transmission part adopts speed reduction and torque increase mechanism, under the premise of guaranteeing output torque, the whole machine power is reduced, by adopting gravity balance mechanism, the load caused by further reducing gravity is reduced, to realize the maximization of whole machine driving efficiency.

The invention discloses an integrated cycloidal-pin wheel speed reducer and a regulation and control method, and particularly relates to the technical field of speed reducers. The speed reducer comprises a frameless torque motor assembly and a cycloidal-pin wheel speed reduction assembly; the frameless torque motor assembly comprises a driving unit and a motor tail supporting seat. The cycloidal-pin gear speed reduction assembly comprises a first cycloidal gear, a second cycloidal gear, a pin gear shell and an eccentric shaft. Needle teeth are mounted on the inner wall of the needle tooth shell; the driving unit is connected with the cycloidal-pin wheel speed reduction assembly through an eccentric shaft. The eccentric position of the eccentric shaft is sleeved with the first cycloidal gear and the second cycloidal gear through the first needle bearing and the second needle bearing respectively, and the pin gear shell is arranged on the surface of the first cycloidal gear and the surface of the second cycloidal gear. The first cycloidal gear and the second cycloidal gear are arranged in a 180-degree symmetrical structure. The input flange and the shell of the frameless torque motor assembly are integrally designed, the coaxiality of the input end and the output end is improved, the operation stability is improved, and therefore more space is saved on the whole.

The present invention provides a motor rotor, a motor and a compressor. The motor rotor includes a rotor body, a plurality of poles are arranged in the circumferential direction of the rotor body, each of the poles includes two magnetic steel slots arranged at intervals along the radial direction of the rotor body and a permanent magnet embedded in the magnetic steel slot, and at least one magnetic barrier structure is arranged between the two magnetic steel slots of each pole. The present invention can control the reactance on the cross-axis magnetic circuit of the motor rotor within a reasonable range, ensure that the motor rotor has a certain output torque, and at the same time reduce the output torque pulsation and radial electromagnetic force, improve the cogging effect, and reduce the electromagnetic excitation force and the electromagnetic noise caused by it.

The application provides a single-phase capacitor-operated asynchronous motor, which comprises a stator core, a rotor core and a rotor end ring, the stator core is located at the outer periphery of the rotor core, the rotor end ring is arranged at the axial end of the rotor core, the axial height of the stator core is L1, the axial height of the rotor core is L2, the axial height of the rotor end ring is H, L2>L1 is met, and C1*L2+K1*|L1-L2|≤H≤C2*L2+K2*|L1-L2| is met, wherein 0.4≤C1≤0.6, 0.5≤C2≤0.7, 0.8≤K1≤1.0 and 0.7≤K2≤1.1. According to the application, the magnetic leakage can be reduced, the starting torque can be improved, and the motor efficiency can be improved; the problems of the single-phase capacitor-operated asynchronous motor in the prior art, such as the magnetic leakage, the insufficient starting torque and the low motor efficiency, can be effectively solved.