Pre-supporting combined unit suitable for soft rock tunneling
A technology of advanced support and combined units, which is applied to temporary shields, mine roof supports, mining equipment, etc., can solve the problems of difficult retreat operation, easy subsidence of the fuselage, and narrow application range, so as to make full use of space and avoid machine The effect of sinking the body and reducing the failure rate
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[0031] Combine the following Figure 1~6 , The content of the present invention is explained in detail through specific embodiments. The advanced supporting combined unit suitable for soft rock excavation includes a tail unit, a main unit, a cutting unit and a conveying device. The front end of the main unit is provided with a front beam 18.
[0032] The host group includes the host group main support group 1 and the host group auxiliary support group 2 arranged alternately from back to front:
[0033] The main support group of the host group includes two transversely arranged front and rear connecting plates I22, two vertical pairs of support cylinders I21 fixed on the front and rear connecting plates I22, and a pair of longitudinally arranged between the front and rear support cylinders I21 A pair of longitudinal beams I23 spanning between the longitudinal beams I, a pair of top beams I24 respectively located on the supporting cylinder I21, and a side support plate I17 hinged to...
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