The invention discloses a three-section movable supporting leg system, a control method and a wheeled crane, the three-section movable supporting leg system comprises a fixed supporting leg, a horizontal telescopic cylinder and a three-section movable supporting leg mechanism, the three-section movable supporting leg mechanism comprises a first movable supporting leg, a second movable supporting leg and a third movable supporting leg, cylinder barrels of the horizontal telescopic cylinders are arranged on the first movable supporting leg, the horizontal telescopic cylinders comprise the first telescopic cylinder and the second telescopic cylinder, the first telescopic cylinder is used for pushing out the three-section movable supporting leg mechanism, and the second telescopic cylinder is used for pushing out the second movable supporting leg and the third movable supporting leg. The device is easy to control, good in stability, light in weight and low in manufacturing cost, and the transverse span of the whole crane can be increased on the basis of ensuring the width of the crane, so that the hoisting stability of the crane is effectively improved.
本发明公开了一种三节活动支腿系统、控制方法及轮式起重机,三节活动支腿系统包括固定支腿、水平伸缩缸和三节活动支腿机构,所述三节活动支腿机构包括第一活动支腿、第二活动支腿、第三活动支腿,所述水平伸缩缸的缸筒均设置于第一活动支腿上,所述水平伸缩缸包括第一伸缩缸和第二伸缩缸,所述第一伸缩缸用以推出三节活动支腿机构,所述第二伸缩缸用以推出第二活动支腿和第三活动支腿。本发明控制简单、稳定性好、重量较轻、制造成本较低,且在保证车辆宽度基础上,可以增加整车的横向跨距,从而有效提升起重机的吊重稳定性。
Three-section movable supporting leg system, telescopic control method and wheeled crane
三节活动支腿系统、伸缩控制方法及轮式起重机
2024-04-19
Patent
Electronic Resource
Chinese
IPC: | B66C Krane , CRANES |
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