Manufacture and Supply of Electrical Equipment for an Electric Double-Girder Supported Crane
Project Solution:
Within the framework of the project, detail design documentation was prepared and equipment was supplied in accordance with the customer requirements. The following equipment was supplied:
- control cabin, equipped with a control panel and heating devices;
- cabinet with a crane electrical equipment control system;
- cable-conductor products of the crane (current lead cable for the trolley, harnesses for bridge, trolley and cabin);
- devices for working and maintenance lighting;
- loud ring;
- limit switches;
- metal hose with joints, metal box for wiring on the crane bridge;
- terminal boxes;
- crane capacity limiter (CCP) with parameter registration function.
Project Setting:
Main characteristics of the crane
| Lifting capacity, t | 12.5 | |
| Span, m | 20 | |
| Lifting height, m | 6 | |
| Elevating speed, m/s | 0.16 | |
| Travel speed | of the crane, m/s | 1.0 |
| of the trolley, m/s | 0.6 | |
| Crane control | From the cabin | |
| Current type and Voltage | Alternate current, 380 V | |
| Current lead for the crane | Trolley feeding | |
| Current lead for the trolley | Flexible cable with copper conductors fixed on carriages moving along a rigid rack | |
| Crane operating mode group defined by ISO 4301/1 (GOST 25546-82) | А5 | |
| Mechanisms operating mode group defined by ISO 4301/1: | lifting mechanism | М6 |
| trolley travel mechanism | М6 | |
| crane travel mechanism | М6 | |
| Weight of the crane, t | 17.5 | |
| Crane rail type | R-50 | |
| Ambient temperature specified by the manufacturer | From -20º С to +40º С | |
| Climatic modification and location category defined in the standard GOST 15150-69 | U 4 | |
| Seismic rating | Rate 6 | |
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