Place of Origin:
Hebei, China
Brand Name:
JN
Certification:
CE ISO
Model Number:
JN-75
Galvanized Zinc Plating Construction Scaffold Stair Tower With 1.2m Width
Description:
The construction scaffold stair tower has high strength, good overall stability, suitable width. So workers can freely stagger up and down and it is also very convenient to carry tools . It can better meet all kinds of safety construction needs.
Application:
It is widely used in construction of houses, Bridges, overpasses, tunnels, culverts, chimneys, water towers, DAMS , large-span scaffolds and many other projects.
Technical Parameter:
| Model | JN-75 |
| Material | Q235 |
| Thickness of vertical tube (mm) | 3.25 |
| Thickness of horizontal tube (mm) | 2.2 |
| Thickness of oblique tube (mm) | 1.5 |
| Height each piece | 3 |
| Length each piece | 2.5 |
| Width each piece | 1.2 |
| Weight of each piece (KG) | 75 |
Installation method of construction scaffold stair tower:
Operator: 3 persons
Step 1: place 4 adjustable bases on the ground where the safety ladder is scheduled to be installed according to the rectangular position of 2.44x1.27 meters. Adjust the nut to the uniform height of about 120mm.
Step 2: install 1 bottom door bracket at the entrance of the ladder, and insert the door bracket vertical bar into the adjustable base. Install 2 middle layer racks on the opposite side by the same method, and install the cross bar and inclined pull bar to connect and fix the bottom door bracket and middle layer bracket.
Step 3: install the "Z" ladder. The ladder starting platform is opposite to the door frame entrance of the ground floor.
Step 4: after installing the two-layer ladder, continue to install the middle layer frame, cross bar and inclined bar. Install one layer of ladder for each middle layer frame, and so on.
Step 5: when installing the last layer of ladder, install the top frame and guard rail (cross bar), and lay 2 pedals on the top platform. Note that the top door frame should face the construction subject.
Step 6: install the bridge pedal outside the outlet of the top floor bracket. One end of the bridge pedal is connected with the top floor bracket, the other side is connected with the construction body, and the handrails are installed on both sides of the bridge pedal.
Step 7: finally install the inner rails for all ladders. At this point, safety ladder installation is completed.
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