FIELD: transport; electricity.
SUBSTANCE: device contains asynchronous motor with phase-wound rotor, pulse-key adjustment control, electric motor of hydraulic pusher, contactor of hydraulic pusher deeding wiring, first contactor directing electric current for hoisting cargo and second contactor directing electric current for lowering cargo, line contactor, transformer temporally or permanently included into electric drive circuit.
EFFECT: enhancing electric drive efficiency and safety.
6 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| ELECTRIC DRIVE OF CRANE LOAD LIFTING AND LOWERING MECHANISM | 2005 |
|
RU2298520C2 |
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|
RU2309890C2 |
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|
SU613469A1 |
| WINCH CONTROL APPARATUS | 0 |
|
SU981196A1 |
| APPARATUS FOR CONTROLLING LOAD-LIFTING MECHANISM | 0 |
|
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|
SU1805093A1 |
| CONTROL DEVICE OF PULSE SWITCHING UNIT | 2002 |
|
RU2249297C2 |
| SYSTEM OF FREQUENCY-CONTROLLED ASYNCHRONOUS ELECTRIC DRIVE OF CRANE-MANIPULATOR INSTALLATION (FCAED CMI SYSTEM) | 2023 |
|
RU2820159C1 |
| ELECTRIC DRIVE FOR WEIGHT-LIFTING MECHANISM | 0 |
|
SU860246A1 |
