Mortise and tenon structure assembly type cable trench

The utility model discloses an assembled cable trench with a mortise and tenon joint structure. The assembly type cable trench adopts a steel template which is made of a reinforced concrete material and is an uncovered module formed by combining two side plates and a bottom plate. Grooves are reserved in one ends of the side plates, tenons are reserved in the other ends of the side plates, the side plates are through in the height direction, the cross sections of the side plates are in a right trapezoid shape, the grooves and the tenons are hoisted in a one-to-one correspondence mode during installation, the positioning effect can be achieved, subsequent bolt penetrating and joint filling work are facilitated, the performance of materials can be fully exerted, and the integrity of the cable trench in the length range is guaranteed. The two sides of the upper surface of the bottom plate are inclined planes, the transverse gradient is 2%, and a drainage groove of 80-100 mm is reserved in the middle of the botto