Mobile platform for watering crops

The invention belongs to the technical field of agricultural machinery, and discloses a movable platform for watering crops, which comprises a bearing platform capable of placing a watering device, four roller mounting plates are arranged below the bearing platform, and each roller mounting plate is provided with a traveling wheel device in contact with the ground. A connecting plate is arranged between the two rolling wheel mounting plates located on the same side, a lifting device capable of controlling the bearing platform to ascend and descend is arranged on the connecting plate, and the walking wheel device comprises three wheels of different types, a mounting frame used for mounting the wheels and a switching mechanism capable of adjusting wheel switching. A control mechanism capable of controlling the switching mechanism to switch the tires is further arranged on one side of the walking wheel device. When entering a field to water crops, the device can switch tires matched with the device to make conta