Adjustable cooling water tank

The utility model relates to the technical field of detection equipment, in particular to an adjustable cooling water tank which comprises a bottom plate and side plates fixed on the two sides of the bottom plate, aluminum baffles are fixedly installed at the two ends and the middle of the upper surface of the bottom plate, two first threaded holes are formed in the two ends of each aluminum baffle, and two first through holes are formed in the two ends of each side plate. The two blocking assemblies are installed at the two ends of the side plate through the four first through holes correspondingly, and the six positioning assemblies are arranged on the upper surface of the bottom plate at equal intervals. The aluminum baffles are arranged at the two ends and in the middle of the box body to reinforce the whole box body, the blocking assemblies penetrate through the first through holes to be adjusted so as to adapt to different sizes and cooperate with water blocking, and through the multiple positioning ass