Constructive features

1. The reinforcement is used for coal mining in front and backfill, realizing the parallel work of "mining" and "backfill" and improving the efficiency of mining; 2. Fortress has the function of laying the bottom grid and can be used for layered development of powerful coal layers; 3. Empty rock pushing and sealing mechanism design has great traction and high reliability.

Product specifications

Support height: 1900-3400(mm)

Working resistance: 5000 kN

Resistance: 0.8 MPa

Distance between centers : 1500 mm

Thrust : 801 kN

Displacement force : 445 kN

Dimensions in transport position : 7858×1430×1900 (mm)

Weight: 32 t

Operating mode : Manual mode