Bailey Steel Support And Platform

The main accessories of the Bailey steel support and platform are Bailey beams (Beley sheets, Bailey frames), the main characteristics of which are as follows.

321 Beret has the characteristics of simple structure, convenient transportation, fast erection, large load capacity, good interchangeability and strong adaptability.

The beret sheet is welded by upper and lower chords, vertical rods and diagonal rods. The ends of the upper and lower chords are provided with male and female joints, and the joints are provided with a pestle holder connecting pin hole. The chord of the beret is composed of two No. 10 channel steel (back-to-back). On the lower chord, a number of steel plates with round holes are welded, and there are supply and reinforcement chords and double-layer trusses in the upper and lower chords. For the connecting bolt holes, there are four bolt holes for connecting the support frame in the upper chord, and the two holes in the middle are for connecting double or multi-row trusses with the same inter-node. The two holes on the two ends are used to connect across the internodes. When multiple rows of berets are used as beams or columns, the joints of the upper and lower berets must be reinforced with a support frame.

On the lower chord, there are 4 cross-beam pads with tenons above them to fix the position of the cross-beam on the plane. There are also two elliptical holes on the channel steel web at the end of the lower chord for connection Use of wind-resistant rods. The vertical rods of the beret are all made of 8# I-steel, and there is a square hole on the side of the vertical rod next to the lower chord. It is used for the beam clamp to fix the beam. The material of Bailey film is Q345 national standard steel.

The Type 321 Bailey Bridge is 3M in length and 1.5 meters in width. The actual weight is 270 kg (+-5%).