(2) Bowl buckle scaffolding.
The bowl buckle scaffolding consists of upper and lower bowl buckles, crossbar joints, and stop pins on the upper bowl mouth. The bowl joint is its core part. Its advantages are reflected in the aspects of multi-function, high efficiency, safety and reliability, and not easy to lose, but its price is more expensive, and the U-shaped connecting pin is easy to lose. Here is a rendering.
Post time: Feb-18-2020