Municipal engineering cast-in-place concrete beam construction support

The utility model discloses a municipal engineering cast-in-place concrete beam construction support which comprises a base plate, a sliding way and a connector, a connecting sleeve is installed on the outer wall of the connector, a first connecting pipe is installed on the inner wall of the connecting sleeve, a plug pin is installed on the outer wall of the connecting sleeve in a penetrating mode, and four sets of fixing boxes are installed at the top of the connector. A moving strip is installed at the top of the fixed box in a penetrating mode, and a spring is installed on the outer wall of the moving strip in a surrounding mode. The device is disassembled and assembled by installing the connector and the threaded sleeve, the plug pin is pulled out, the movable strip is pulled upwards to enable the bottom of the movable strip to leave the interior of the first connecting pipe, the first connecting pipe is pulled out, the second connecting pipe and the connector are connected through the threaded sleeve, an