Excavator oil cylinder guide sleeve anti-loose mechanism

The invention belongs to the technical field of mechanical equipment, and relates to a guide sleeve anti-loose mechanism, and particularly relates to an excavator oil cylinder guide sleeve anti-loosemechanism. The excavator oil cylinder guide sleeve anti-loose mechanism solves the technical problems of unreasonable design and the like in the prior art. The anti-loose mechanism is arranged betweena guide sleeve and a cylinder body, wherein the guide sleeve comprises a connecting rod arranged in the cylinder body and a locking cap integrally connected with the connecting rod, one end of the locking cap abuts against one end face of the cylinder body, and the guide sleeve is connected in the cylinder body through a detachable mechanism; and the anti-loose mechanism is characterized in thata gasket is arranged between the locking cap and the cylinder body, and an anti-loose device is arranged between the cylinder body and the connecting rod. The anti-loose mechanism has the advantages of being reasonable in desig