Abstract

A winding type permanent magnet coupling transmission device includes a permanent magnet rotor and a winding rotor that is coaxial with the permanent magnet rotor and capable of rotating relative to the permanent magnet rotor. An air gap exists between the permanent magnet rotor and the winding rotor. The winding rotor is connected to a control structure capable of regulating the current/voltage of the winding rotor. The control structure is capable of controlling the current or voltage of the winding rotor, so as to regulate the output torque of the transmission device, with no need to configure any corresponding mechanical execution mechanism. Therefore, the transmission device has a simple structure and small energy loss.

IPC Classes  ?

• H02K 49/02 - Dynamo-electric clutchesDynamo-electric brakes of the asynchronous induction type
• H02K 49/10 - Dynamo-electric clutchesDynamo-electric brakes of the permanent-magnet type
• H02K 1/22 - Rotating parts of the magnetic circuit
• H02K 49/06 - Dynamo-electric clutchesDynamo-electric brakes of the synchronous type
• H02K 51/00 - Dynamo-electric gears, i.e. dynamo-electric means for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts
• H02K 16/00 - Machines with more than one rotor or stator

Abstract

A winding type permanent magnet slip clutch, comprising a permanent magnet rotor and a winding rotor coaxial with the permanent magnet rotor. An air gap is provided between the permanent magnet rotor and the winding rotor. The permanent magnet rotor is mounted on a first rotating shaft (2). The winding rotor is mounted on a second rotating shaft (8). A collector ring (7) and a carbon brush (6) are disposed on the second rotating shaft (8) and form a circuit together with a coil winding (5), wherein on and off of the circuit can be controlled by an electrical switch (K). An induced current is generated in the coil winding (5) by using the slip between the two rotors. The coil winding (5) with the current can be affected by the electromagnetic force in the magnetic field of a permanent magnet, and then transmission of torque can be achieved. The electrical switch (K) controls the on and off of the circuit so as to control engagement and disengagement of the permanent magnet slip clutch. The clutch has the overspeed protection function, the overload protection function, the soft start function and the speed regulation function and can serve as a brake free of frictional contact.

IPC Classes  ?

• H02K 49/10 - Dynamo-electric clutchesDynamo-electric brakes of the permanent-magnet type
• H02K 49/02 - Dynamo-electric clutchesDynamo-electric brakes of the asynchronous induction type

Abstract

A winding type permanent magnet coupling transmission device, comprising a permanent magnet rotor and a winding rotor that is coaxial with the permanent magnet rotor and capable of rotating relative to the permanent magnet rotor. An air gap (9) exists between the permanent magnet rotor and the winding rotor. The winding rotor is connected to a control structure (17) capable of adjusting the current/voltage of the winding rotor. The control structure can control the current or voltage of the winding rotor, so as to adjust the output torque of the transmission device, and a corresponding mechanical execution mechanism does not need to be arranged. Accordingly, the transmission device has a simple structure and small energy loss.

IPC Classes  ?

• H02K 51/00 - Dynamo-electric gears, i.e. dynamo-electric means for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts

Abstract

The present invention relates to the technical field of design and manufacture of magnetic couplings and provides a self-alignment protection device for permanent-magnet coupling, the self-alignment protection device comprises a first rotor and a second rotor respectively in fixedly connection with a load shaft (8) and a driving shaft (9), the first rotor and the second rotor being respectively mounted with permanent magnets that are mutually coupled to transmit torque, the first rotor and the second rotor are respectively configured with an inner conical surface and an outer conical surface that are coaxial and have mutually matching tapers, the self-alignment protection device further comprises an axial adjustment mechanism for adjusting the relative axial position between the first rotor and the second rotor. This technical solution solves the technical problem that the existing magnetic couplings are inconvenient to install and adjust.

IPC Classes  ?

• H02K 51/00 - Dynamo-electric gears, i.e. dynamo-electric means for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts

Abstract

The present invention relates to the technical field of design and manufacturing of magnetic couplings. Disclosed is a permanent-magnet coupling self-alignment protective device comprising a first rotor and a second rotor respectively and fixedly connected to a bearing shaft (8) and a drive shaft (9); the first rotor and the second rotor are respectively installed with mutually-coupled permanent magnets capable of transmitting torque; the first rotor/ second rotor are respectively provided with coaxial inner conical surface/outer conical surface having mutually matching tapering; and the permanent-magnet coupling self-alignment protective device further comprises an axial adjustment mechanism for adjusting the relative axial position between the first rotor and the second rotor. The technical solution solves the technical problems of inconvenient installation and fine tuning of existing magnetic couplings.

IPC Classes  ?

• H02K 51/00 - Dynamo-electric gears, i.e. dynamo-electric means for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts