Hydraulic cylinder linkage mechanism of lifting device

The utility model is applicable to the technical field of hydraulic lifting devices, and provides a hydraulic cylinder linkage mechanism of a lifting device, which comprises two saddles, a first hydraulic cylinder, a second hydraulic cylinder, two guide cylinders and two guide posts, the first hydraulic cylinder and the second hydraulic cylinder are fixedly mounted, the two guide cylinders are fixedly mounted, and the two guide posts are vertically and fixedly connected to the bottoms of the two saddles respectively. The first hydraulic cylinder and the second hydraulic cylinder drive the saddles to ascend and descend respectively. According to the hydraulic cylinder linkage mechanism of the lifting device, the first hydraulic cylinder and the second hydraulic cylinder are connected in series, and under the conditions that the first hydraulic cylinder and the second hydraulic cylinder are the same in specification and the oil conveying pipe is filled with oil, the oil outlet amount of the first hydraulic cyli