Safety control device for preventing abnormal gliding of bucket of electric shovel

The utility model discloses a safety control device for preventing abnormal gliding of a bucket of an electric shovel, belongs to electric shovel components, and particularly relates to a control device for the bucket of the electric shovel. Soft contacts X000 and X027 are additionally arranged in a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HU YANTAO, XIA DEHUI, CHAI YIMIN, CHEN CHUANBING
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The utility model discloses a safety control device for preventing abnormal gliding of a bucket of an electric shovel, belongs to electric shovel components, and particularly relates to a control device for the bucket of the electric shovel. Soft contacts X000 and X027 are additionally arranged in an FX2N-64MR controller; the normally open contact X000 and the normally open contact X027 are connected in series to a control branch circuit of a lifting brake electromagnetic valve coil; normally open contacts 37T and 39T of an M1200R/T driving controller are connected with a contact X000 terminal of the controller and are positioned on a control loop of the brake electromagnetic valve coil of a lifting mechanism. The safety control device has the advantages that the control system is optimized, the sensitivity is high, the control is facilitated, and safety and reliability are realized; the frequency of failure-free tripping of an electrical control system is effectively reduced or avoided; the service life of equipment is prolonged, and the equipment utilization rate is increased; loss caused by gliding of the bucket is avoided, and safe and successful operation of mining work is guaranteed.