Water tank for aluminum alloy tank type transportation semi-trailer roof

The utility model provides a water tank for an aluminum alloy tank type transportation semi-trailer roof, which relates to the field of semi-trailer water tanks and comprises a base, second sliding grooves are symmetrically formed in the top of the base, second sliding blocks are slidably connected into the second sliding grooves, first fixing blocks are fixedly connected to the tops of the second sliding blocks, and second fixing blocks are fixedly connected to the tops of the first fixing blocks. And a panel is fixedly connected to the top of the first fixing block, a first sliding groove is formed in the panel, a first sliding block is slidably connected to the interior of the first sliding groove, an abutting plate is fixedly connected to one side of the first sliding block, and a third screw hole is formed in the top of the base. The water tank for the aluminum alloy tank type transportation semi-trailer roof can be adjusted and limited according to the lengths of different water tanks, and the water tan