The invention belongs to the technical field of
urban greening equipment, and particularly relates to a device for trimming a
green belt. The device comprises a column, a first support arm, an angle adjusting mechanism and a trimming mechanism, wherein the column is installed on a
chassis, the column is hinged to the first support arm through a first
hydraulic cylinder, a drag chain is arranged onthe side wall of the first support arm, and a power line and a hydraulic oil
pipe are arranged in the drag chain in a running-through mode; a second support arm is mounted in the first support arm, the upper end of the angle adjusting mechanism is hinged to the left end of the second support arm, the middle of the angle adjusting mechanism is hinged to the bottom of the second support arm througha second
hydraulic cylinder, and the trimming mechanism is installed inside the angle adjusting mechanism. The invention also includes a trimming method of the device for trimming the
green belt. According to the device, the trimming mechanism is adjusted to a corresponding height and angle according to the
green belt which is to be trimmed so that the green belt with a required shape can be obtained after trimming is conducted, and the device is especially used for trimming a green belt which has planted trees or installed utility poles in the middle; the device has the advantages of a wideapplication range and a good trimming effect.