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一、千斤顶、千斤顶杆和千斤顶架的选用1.千斤顶的选用:如工程量不大,则应尽量使用现有设备,一般以手动千斤顶为宜。在工程量大和能多次重复使用时,可选用电动液压千斤顶等。2.千斤顶杆:按千斤顶架传来的荷重计算决定,但须与千斤顶所要求的规格相一致,一般按:5号钢φ25毫米千斤顶杆承载能力为1250公斤。3号钢φ25毫米千斤顶杆承载能力为1000公斤。
1. Selection of jacks, jack bars and jack racks 1. Selection of jacks: If the project volume is not large, the existing equipment should be used as far as possible, and manual jacks are generally appropriate. When the amount of work is large and can be reused multiple times, electric hydraulic jacks, etc. can be used. 2. Jack rod: According to the calculation of the load transmitted from the jack frame, but must be consistent with the specifications required by the jack, generally according to: No. 5 steel φ25 mm jack rod bearing capacity of 1250 kg. The No. 3 steel φ25 mm jack rod has a load capacity of 1000 kg.