Protection device for pipeline connection

The utility model provides a protective device for pipeline connection, which comprises a fixed bottom plate, a pair of fixed seats is mounted at the upper end of one side of the fixed bottom plate, first electric telescopic rods are mounted at the upper ends of the pair of fixed seats, first limiters are mounted at the upper ends of the pair of first electric telescopic rods, and second clamping grooves are formed in one sides of the interiors of the first limiters. A first supporting frame and a second supporting frame are installed on the two sides of the upper end of the fixing bottom plate, a fixing frame is connected between the top ends of the first supporting frame and the second supporting frame, a sliding groove is formed in one side of the fixing frame, a first sliding block and a second sliding block are installed on one side of the sliding groove, and a second electric telescopic rod is connected to the lower end of the first sliding block. And the lower end of the second electric telescopic rod