Oil cylinder capable of limiting and preventing deviation and shaking for hydraulic hoist for water conservancy

The utility model discloses a hydraulic hoist oil cylinder capable of limiting and preventing deviation and shaking, which belongs to the technical field of oil cylinders and is characterized in that a position sensing part is mounted in the middle of the inner wall of a sliding block, rolling grooves are formed in two sides of the axis of the inner wall of an anti-blocking sleeve, and balls are arranged in the rolling grooves for rolling connection; in the telescopic process, an anti-deviation sealing sleeve and an anti-blocking sleeve which are arranged in the middle of one end of the cylinder head in a sleeving mode are used for blocking prevention and sealing, and during sealing, a ball, a sliding block and a position sensing piece are inserted into an anti-deviation groove, so that the position sensing piece and a sensing piece make contact with each other, and the position is sensed; when the position deviates, a signal can be transmitted to an operation panel through a position sensing part to warn a w