Adjustable support for crane trolley

An adjustable support for a crane trolley is composed of four supporting mechanisms distributed in a rectangular mode, each supporting mechanism comprises a top plate, supporting legs and adjusting nuts, the top face of each top plate is used for containing an end beam for controlling the trolley, flanges are arranged at the two ends of the top face of each top plate, and the bottom face of each top plate is correspondingly and fixedly connected with the corresponding supporting legs; the head end of the adjusting nut correspondingly penetrates through one flange and then correspondingly abuts against the end beam of the control trolley. The support has the advantages of being low in cost and capable of stably supporting and controlling the trolley. 一种起重机小车用可调支座，由四个矩形分布的支撑机构组成，所述支撑机构包含顶板、支腿和调节螺母，其中顶板的顶面用于放置控制小车的端梁，且顶板顶面的两端均设有挡边，顶板的底面与支腿对应固定连接；所述调节螺母的头端对应穿过一挡边后与控制小车的端梁对应抵触；本支座具有成本低，且能够稳定支撑控制小车的优点。