The connecting rod on the cargo boom is hinged with a shaft (38) simultaneously, is extended and bulged to the external side to form a supporting shaft.
同时将起重臂上的连杆铰接轴（38），向外侧延伸凸出构成支撑轴。
One end of a connecting rod on both sides of the screw nut is connected with the pin of a sliding chassis, and the other end is hinged with the screw nut.
螺母两侧的连接杆一端与滑动机架上的销轴连接，另一端与螺母铰链。
The other end of the swing arm is hinged with a wheel shaft of the front wheel. The middle part of the swing arm is supported below the vehicle frame platform by an elastic support.
摆臂的另一端与前轮轮轴铰连，摆臂中部由弹性支座支承于车架平台下面。
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