Schemes of automated electric drive of lifting and transporting machines

Lifting and transporting machines: cranes, elevators, conveyors, ropeways. Electric schemes of lifting and transporting machines. Click on the picture to enlarge it.

Rice. 1. Schematic of the protection panel of the AC faucet

Rice. 2. Panel type PMS. Electromagnetic crane control

Rice. 3. Control circuit of the asynchronous electric drive of the crane using the power regulator

Rice. 4. Scheme of a type K crane magnetic controller

Rice. 5. Schematic of a TCA type crane magnetic controller

Rice. 6. Electric drive of the lifting mechanism of the crane with control of an electric machine

Fig. 7. Electric drive of the crane according to the generator-motor system

Rice. 8. Control circuit of a passenger elevator with a two-speed asynchronous motor

Rice. 9. Simplified diagram of high-speed elevator drive with EMU and PMU control

Rice. 10. Scheme of the high-speed elevator of the tower of the Moscow TV Center.Explanations: D — generator; D — engine; RS — speed regulator; RT — current regulator; ZI — intensity generator; SI — pulse counter; D / A — discrete-analog converters; Scalc — calculated path; S — real road; dS — path error; ES — electronic comparison device; Vcalculated — design speed; KV — call buttons; KP — order buttons; SU — control system; A — antenna; DI — impulse sensor; DSP — centrifugal speed limiter; DCB — safety control sensors; PPU — Transceiver; DCP — position control sensors; CZ — protective circuits.

Fig. 11. Diagram of electric drive of a cable car

Rice. 12. Schematic diagram of the control of the electric drive of the lifting mechanism of a medium-power excavator with magnetic amplifiers

Rice. 13. Schematic diagram of electric drive control of a powerful excavator using magnetic amplifiers

Rice. 14. Control scheme of the electric drive for lifting an excavator type ECG-4.6V