Coal mine underground automatic connection anchor net device

Abstract

The invention belongs to the technical field of anchoring net connecting of an underground coal mine, particularly discloses an automatic anchoring net connecting device for the underground coal mine and solves the problems of an existing manual net pavement method that the labor intensity of a worker is large, the efficiency is low, and the safety is unlikely to be ensured. The automatic anchoring net connecting device is arranged at the front end or the rear end of a temporary shoring support of a fully-mechanized excavating surface and comprises a needle nailing device, wherein the needle nailing device is of a box type structure, a cylinder body of a needle pushing oil cylinder is fixedly arranged in the needle nailing device, the front end of a piston rod of the needle pushing oil cylinder is connected with a needle pushing plate, a connecting needle outlet is formed in the part, which corresponds to the front end of the needle pushing plate, of the needle nailing device, the needle nailing device is internally provided with a spring in the vertical direction of the needle pushing oil cylinder, a needle groove which is used for containing a connecting needle is arranged in front of a needle supplying block, and a needle nailing winding mechanism is arranged in a position, which is positioned outside the needle nailing device, of the connecting needle outlet. The automatic anchoring net connecting device disclosed by the invention has the characteristics that flexibility and convenience are realized, the net connecting quality is high, the net connecting needle distribution is uniform, and the like; automatic net connecting can be realized in roadway support, the net connecting time is effectively reduced, the labor intensity is reduced, the roadway excavating efficiency is greatly increased, and the safety of personnel is ensured.

Description

technical field [0001] The invention belongs to the technical field of anchor-net connection in coal mines, and in particular relates to an automatic connection anchor-net device in coal mines. Background technique [0002] In underground production, anchor mesh plays an important role in roadway support. High-quality anchor mesh can effectively control the deformation of non-anchor rock formations between anchor rods. The worse the stability of the surrounding rock of the roadway, the more effective the metal mesh will be. important. The mesh is laid once every row of anchor rods in the coal mine excavation face. At present, the connection between the mesh and the mesh is mainly done manually by the staff on site. The vast majority of mining metal meshes are manually connected and knotted manually with a simple networking tool, that is, the rolled mesh is unfolded by manpower, and after the mesh edges are overlapped, double-strand thin iron wires are used The method of ma...

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems that manual laying is used when laying nets on the roadway roof of unstable rock formations in coal mines, the labor intensity of workers is high, the efficiency is low, and the safety is not easy to guarantee, the present invention provides an automatic connection anchor net device for coal mines

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