Many supermarkets that previously fitted column tail-lifts to their trailers are now switching to sliders. Why? Mostly to minimise the risk of tail-lift damage if drivers are careless when reversing up to loading docks. But also to gain the advantage of greater load handling, afforded by their hydraulic power. As Paul Kelly, product manager for Zepro, and also South West and Wales manager for DEL Equipment, says: "A slider-type lift sits safely underneath the trailer - there's usually plenty of room, given the rear overhang. But columns project out, and can get hit. They also typically lift a maximum 1.5 tonnes, while sliders can handle 2.0 tonnes or more."
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机译：许多以前将立柱尾部升降机安装到其拖车上的超市现在都在转换为滑块。为什么？如果驾驶员在转向装卸站时不小心，则主要是为了最大程度地减小尾部举升损坏的风险。而且还获得了其液压动力所带来的更大的负载处理优势。正如Zepro产品经理Paul Paul Kelly以及DEL Equipment公司西南和威尔士经理所说：“滑车式升降机安全地坐在拖车下方-考虑到后悬，通常有足够的空间。但立柱伸出，通常还可以最大举升1.5吨，而滑块则可以举起2.0吨或更多。”
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