Telescopic foundation pit supporting structure

The utility model relates to the technical field of supporting, in particular to a telescopic foundation pit supporting structure which comprises a base, a lifting mechanism is arranged on the base, a telescopic mechanism is arranged on the lifting mechanism, a supporting plate is arranged on the telescopic mechanism, the lifting mechanism comprises a support, the support is fixedly installed on the base, a square box is arranged on the support, and a square rod is arranged in the square box in a sliding mode. By arranging the lifting mechanism, the purpose of conveniently adjusting the supporting height is achieved, supporting work of a foundation pit is facilitated, and by arranging the telescopic mechanism, supporting of foundation pits with different widths is facilitated. 本实用新型涉及支护技术领域，具体为一种伸缩式基坑支护结构，包括底座，底座上设有升降机构，升降机构上设有伸缩机构，伸缩机构上设有支护板，升降机构包括支架，支架固定安装于底座上，支架上设有方形箱，方形箱内滑动设置有方形杆。本实用新型通过通过设置有升降机构，起到方便调节支护高度的目的，利于基坑的支护工作，本实用新型通过设置有伸缩机构，便于对不同宽度的基坑进行支护。