Hanging Scaffold Joint Assembly for Obstructed Installation Spaces
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Solution Overview
Problem
Conventional hanging scaffolds with large beam members and diagonal components are difficult to install in spaces with obstacles, and connecting beam members to joints requires workers to bend over the work floor, making the process unsafe and cumbersome.
Innovation Solution
A hanging scaffold design with compact beam members featuring attachment pieces and joints that allow vertical insertion and rotation for connection, using a coupling pin to secure the beam members to the joint without requiring workers to bend over, facilitated by a method that involves vertical insertion, rotation, and pin insertion steps.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If beam members are made large with four beam materials and diagonal members, then structural strength is improved, but the scaffold becomes difficult to install in spaces with obstacles
Solution Approach 1:
The beam member is segmented into two separate components: a linear beam material and a separate joint. This segmentation allows the beam material to be thin and linear, reducing its width while maintaining structural strength through the joint connection, thereby enabling installation in obstructed spaces
Solution Approach 2:
The joint is designed to wrap around the beam material, with the beam material inserted through the joint's opening. This nested configuration allows the joint to enclose the beam material, providing structural strength without requiring the beam member itself to be wide, thus facilitating installation in narrow or obstructed spaces
2Strength
If beam members are connected to joints by inserting plates laterally, then connection strength is improved, but workers must bend over the work floor making the process unsafe and cumbersome
Solution Approach 1:
Instead of inserting the plate laterally from the side, the connection method is inverted: the beam material is inserted vertically through the joint from above, and the coupling pin is inserted vertically downward through the beam material into the plate. This inversion allows workers to perform connections from a standing position, eliminating the need to bend over the work floor while maintaining connection strength
Solution Approach 2:
The connection approach transitions from lateral (horizontal) insertion to vertical insertion. By changing the dimension of insertion from horizontal to vertical, workers can operate from a standing position, improving safety and convenience while the coupling pin and plate structure maintains the required connection strength
Data Source
AI summary
Included is a scaffold body including a plurality of beam members arranged in parallel, a joint connected to end portions of the beam members by a connecting member, and a work floor installed between the beam members, in which the beam member includes a pair of left and right attachment pieces provided at lower ends of the respective end portions of an upper beam material and formed with pin holes, the joint includes a plurality of plates provided in a circumferential direction on an outer periphery of a cylindrical body, the plate includes a recessed portion formed at an upper end; and an insertion hole facing the pin hole in a state of being fitted between the attachment pieces, and the connecting member is a coupling pin inserted into the pin hole and the insertion hole facing each other in a state where the plate is fitted between the attachment pieces.