Parallel connection device of sand cylinders for culturing penaeus vannamei boone

The utility model relates to the technical field of parallel connection of sand jars, and discloses a parallel connection device of sand jars for culture of penaeus vannamei boone, which comprises a device protective shell, connecting assemblies are arranged on two sides of the device protective shell, a control assembly is arranged above the device protective shell, clamping assemblies are arranged on two sides of the device protective shell, and the connecting assemblies are connected with the clamping assemblies. The control assembly comprises an operation pipe, the operation pipe fixedly communicates with the upper end of the device protection shell, the inner end of the operation pipe is movably connected with a rotating screw rod, and through the installation of the control assembly, the rotating screw rod in the operation pipe can drive the stopping block to move through cooperation of the rotating screw rod, the stopping block and other components; and then a rotating screw rod is rotated through a ro