The invention discloses a lifting mechanism and an engineering machine with the lifting mechanism. The lifting mechanism comprises support legs, guide rods, screw rods, guide sleeves, nuts, pinions and swinging arms, wherein the support legs are connected with the guide rods; the guide rods are fixedly connected with the nuts; the screw rods are connected with the nuts in a matching way; the screwrods are connected with the swinging arms in a matching way through bearings; top ends of the screw rods are connected with centers of the pinions in a matching way; and the swinging arms are provided with second pin shafts. Specific to the technical demand of synchronous lifting of four support legs in a hydraulic oil cylinder in the prior art, the lifting of the whole engineering machine is realized by means of the revolving action of a turntable. A big gear ring is meshed with a plurality of pinions at the same time, so that the plurality of swinging arms are enabled to ascend and descendsynchronously, thereby achieving smooth ascending and descending of the entire equipment, and avoiding the danger of possible equipment tipping caused by the desynchrony among the support legs of theoil cylinder in the prior art.
本发明公开了一种升降机构及带有该升降机构的工程机械,包括支腿、导向杆、螺杆、导向套、螺母、小齿轮、摆动臂,所述支腿与所述导向杆相连接,所述导向杆与所述螺母固定连接,所述螺杆与所述螺母配合联接,所述螺杆通过轴承与所述摆动臂相配合连接,所述螺杆的顶端与所述小齿轮的中心相配合联接,所述摆动臂上设置有第二销轴。本发明针对现有技术中液压油缸无法实现四个支腿的同步升降的技术需求,本发明的升降机构通过借助转台的回转动作实现整个工程机械设备的升降,大齿圈同时和多个小齿轮啮合,使多个摆动臂同步升降,从而实现整个设备的平稳起升和下落,解决了现有技术中油缸支腿不同步而可能带来的设备倾翻的危险。
Lifting mechanism and engineering machine with lifting mechanism
一种升降机构及带有该升降机构的工程机械
2020-06-23
Patent
Electronic Resource
Chinese
IPC: | B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last |
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