Cable protection pipe

The present invention discloses a cable protection pipe, characterized by comprising at least one group of protection pipes (1), wherein each group of protection pipes (1) consists of two protection pipes (1) which are butted with each other, each protection pipe (1) consists of an end pipe head (1-1) and a tail straight pipe (1-2) which are connected to form the whole, the pipe diameter of the end pipe head (1-1) is greater than the pipe diameter of the tail straight pipe (1-2),the protection pipes (1) are provided with at least one group of pipe carriers (2), each group of pipe carriers (2) consists of two pipe carriers (2) which are butted with each other, each pipe carrier (2) is provided with a semicircular pipe groove (2-1), butting positions of each pipe carrier (2) are provided with trapezoid pipe carrier slots (2-2), and two pipe carriers (2) which are butted with each other are connected through inserted pins (2-3) in the pipe carrier slots (2-2). The cable protection pipe of the present invention is simple in structure, convenient to install, high in mechanical strength, and is capable of reducing enterprise cost.