Recyclable large pallet

Abstract

The invention discloses a recyclable large pallet. The recyclable large pallet comprises a leak-proof net, a load-bearing pallet, a small pallet and a plurality of load-bearing beams, wherein the leak-proof net is used for carrying the surrounding rock surface broken rock mass pressure, the load-bearing pallet is connected to the center of the leak-proof net and provided with a drop hole, the small pallet is used for carrying the load-bearing pallet and can pass through the drop hole after rotating, the load-bearing beams are used for carrying the surrounding rock pressure, and a plurality ofregular arranged net holes are formed in the surface of the leak-proof net; the load-bearing beams are radially connected to the edge of the load-bearing pallet; and an anchor rod installation hole for an anchor rod to pass through are formed in the small pallet. Under the condition of roadway large deformation convergence, because the load-bearing beams are radially connected to the edge of the load-bearing pallet, the pressure can be transmitted to the load-bearing pallet and the load-bearing beams after the leak-proof net is subjected to the surrounding rock pressure, the load-bearing beamsdeform and shrink compactly, thus the support force of the guard surface is higher and the support effect is more stable, and the appearance of net pocket is avoided; and meanwhile, the leak-proof net, the load-bearing pallet and the load-bearing beams can be recycled and reused, and the support cost is reduced.

Description

technical field [0001] The invention relates to the technical field of roadway support, and more specifically relates to a recyclable large pallet. Background technique [0002] With the rapid development of the economy, the society's demand for energy is increasing day by day, and the easy-to-mine resources in the shallow part are gradually exhausted, and the mine is gradually advancing to the deep part. [0003] Since the traditional anchor net support technology can no longer meet the needs of deep roadway stability control and low-cost mining, constant resistance extension anchor (cable), grouting anchor (cable), W steel belt, trapezoidal steel beam, I-beam Technologies such as beams, metal diamond nets, U-shaped support sheds, and sprayed concrete are gradually being used in mine construction. [0004] However, the above-mentioned products and construction schemes have cumbersome processes and high support costs. In particular, W steel belts, trapezoidal steel beams, I...

AI Technical Summary

Problems solved by technology

[0003] Since the traditional anchor net support technology can no longer meet the needs of deep roadway stability control and low-cost mining, constant resistance extension anchor (cable), grouting anchor (cable), W steel belt, trapezoidal steel beam, I-beam Technologies such as beams, metal diamond nets, U-shaped support sheds, and sprayed concrete are gradually being used in mine construction

[0004] However, the above-mentioned products and construction schemes have cumbersome processes and...

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