Width-adjustable soil loosening and preparing device

The invention provides a width-adjustable soil loosening and preparation device, and relates to the technical field of agricultural equipment, the width-adjustable soil loosening and preparation device comprises a vehicle body, the lower end of the vehicle body is provided with two walking wheels, the front end face of the vehicle body is fixedly provided with a device box, and the middle position of the vehicle body is fixedly provided with a placement frame; and the driving motor is fixedly installed in the containing frame, and the front end of the driving motor is in transmission connection with a driving shaft. The six connecting holes are evenly formed in the surfaces of the fixing side plates at the two ends of the rake teeth, a worker can connect the two fixing side plates through bolts, the two sets of rake teeth can be fixed together, at the moment, the two sets of rake teeth can plow land at the same time, the plowing efficiency is improved, and the problems that the width of the rake teeth of an e