2023-03-16
LH type double-beam bridge crane is a crane product mainly raised by electric hoist, and its lifting device is electric hoist, which is relatively small in volume and suitable for lifting workpiece and cargo in light and medium load workshops and warehouses.
Ordinary double beam bridge crane is mainly lifting crane products with hook, and its hoisting device is steel wire rope or chain. The volume is relatively large, and it is suitable for lifting workpiece and goods in heavy and overweight load workshops and warehouses.
The structural difference between the two mainly lies in the trolley part. The LH type trolley is composed of electric hoist and walking mechanism, while the ordinary double-beam trolley is composed of hoist, walking mechanism, hook group and electrical equipment.
The performance difference between the two mainly lies in lifting speed, lifting height and working level. LH type's lifting speed is generally 8m/min, lifting height is generally 6-30m, and working level is generally A3-A5. The lifting speed of ordinary double beams is generally 0.8-8m/min, the lifting height is generally 6-100m, and the working level is generally A5-A7.
The difference in operation between the two mainly lies in the control mode and safety protection device. The control mode of LH type includes ground button control and remote control, limited bit switch of safety protection device, overload protection device, anti-collision device, etc. Common double beam control modes include ground button control, remote control and driver's cab control, safety protection device limited position switch, overload protection device, anti-collision device, windproof anchorage device, etc.
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