A truck mounted crane, also known as lorry crane, is a widely used mobile lifting machine for material handling, construction installation and cargo loading work. Side tipping is one of the most dangerous accidents for truck cranes, which may cause equipment damage, cargo loss and personal injury. Learning how to prevent side tipping risk is vital for operators, fleet managers and construction project owners.https://www.hjtrailer.com/construction-machinery/truck-mounted-crane/howo-folding-arm-truck-mounted-crane.html
The main cause of side tipping is overload lifting or working beyond the rated working radius. Every lorry crane has a fixed load chart. The allowable lifting weight decreases when the boom extends longer or the working radius increases. Operators should never lift overweight goods or operate outside the specified working range.
Stable outrigger setup is the key to anti-tipping. Before hoisting work, fully extend all outriggers and place them on solid, flat ground. Avoid soft soil, sloped ground or hollow areas. Use thick steel plates or support pads under outriggers to spread pressure and prevent sinking. Never start lifting operations with partially extended outriggers.
Keep the load balanced during lifting. Avoid sudden hoisting, fast rotation or sharp swing of heavy loads. Do not drag goods horizontally by the crane boom, this will create extra lateral force and trigger side tipping. Always keep the suspended load above the stable working zone of the truck mounted crane.
Carry out regular inspection before operation. Check outrigger hydraulic cylinders, locking pins, boom structure and hydraulic pipelines. If there is oil leakage, structural crack or component damage, stop lifting work immediately and repair the fault. Train operators to master safe operating procedures and emergency response skills.
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