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底架是起重机重要钢结构部件,它承受着上车的全部重量和载荷。通过支腿,将载荷传递到地面。底架结构重量一般约占起重机整机重量的1/5～1/4左右。在起重机设计中,为了保
The chassis is an important steel structural part of a crane that withstands the full weight and load of the car. Through the outriggers, the load is transmitted to the ground. The weight of the chassis structure generally accounts for about 1/5 ~ 1/4 of the weight of the crane. In the crane design, in order to protect