Limited space comprehensive protection device

The utility model discloses a limited space comprehensive protection device which comprises a supporting plate and an adjusting plate. Wherein a protective net capable of being unfolded is stored in the supporting plate; the adjusting plate is rotationally arranged on one side face of the supporting plate, a height-adjustable gas detection assembly is arranged on one side face of the supporting plate, and an air blowing structure is arranged on the other side face of the supporting plate. Compared with the prior art, fence protection, gas analysis, gas replacement in a limited space and the like can be carried out, and application is enriched. 本实用新型公开了一种有限空间综合防护装置，包括支撑板和调节板；其中，所述支撑板内收纳有可展开的防护网；所述调节板转动设置在支撑板一侧面上且其一侧面上设置有高度可调的气体检测总成，其另一侧面上设置有鼓风结构；本实用新型与现有技术相比，能够进行围栏防护、气体分析以及置换有限空间内的气体等，丰富了应用。