Be used for stairwell adjustable scaffold frame

The utility model provides a be used for stairwell adjustable scaffold frame, includes upper -layer frame body b and lower holder body a, upper -layer frame body b and lower holder body an adopt the plug -in connection: upper -layer frame body b is conventional mobile scaffold, and contained conventional operation platform, prevented guardrail bar, gone up people's cat ladder, bridging etc. The lower holder body a bottom is equipped with the formula pulley of can stopping, upper -layer frame body b and lower holder body a's same side is equipped with the cat ladder, and this device is on the one hand through a frame construction and the 2nd frame construction's difference in height, make things convenient for operation platform on the upper -layer frame body can horizontal support on stair, on the other hand through the altitude mixture control lead screw of setting the lower holder body bottom, can also finely tune lower bracket, further ensures operation platform's level to guaranteethe stability of upper s