Quartz tube convenient for butt joint installation

The utility model relates to the technical field of quartz tubes, and discloses a quartz tube convenient for butt joint installation, an electric push rod is installed on the inner side of a connecting support, a push rod end of the electric push rod is fixedly connected with a fixing rod, and two ends of one side of the fixing rod are fixedly connected with insertion columns on the outer side of a fixing plate; two inserting columns are driven to move through a push rod of an electric push rod, so that the two inserting columns are inserted into inserting grooves, and when the inserting columns abut against inclined planes in the inserting grooves, fixing blocks are pushed to move on the outer sides of connecting plates, so that the two fixing blocks drive quartz tube clamps to be close to the outer sides of quartz tubes and abut against the outer sides of the quartz tubes; according to the quartz tube clamping device, one quartz tube can be clamped and fixed by the aid of a hand, the quartz tube can be loos