Multi-degree-of-freedom TBM jumbolter

Abstract

The invention belongs to the technical field of engineering machines, and particularly relates to a multi-degree-of-freedom TBM jumbolter. The problems are solved that the angle between the drilling direction of a jumbolter in the prior art and the normal direction of a tunnel contour line is large to ca use a poor anchoring effect. According to the technical scheme, the jumbolter comprises a jumbolter body and an installation rack (2), the installation rack (2) is provided with a first rotary oil cylinder (3), the first rotary oil cylinder (3) is connected with a rotary arm (4), the rotary arm (4) is connected with a second rotary oil cylinder (5), the second rotary oil cylinder (5) is connected with the jumbolter body, and the axis direction of the first rotary oil cylinder (3) is parallel to the axis direction of the second rotary oil cylinder (5). The degrees of freedom of the jumbolter are increased, the angle between the drilling direction of the jumbolter and the normal direction of the tunnel contour line is reduced, the anchoring effect of an anchor rod is improved, and the jumbolter is suitable for support reinforcement of a tunnel.

Description

technical field [0001] The invention belongs to the technical field of engineering machinery, and in particular relates to a multi-degree-of-freedom TBM rock bolter. Background technique [0002] When the hard rock tunnel boring machine (abbreviated as TBM) is in construction, after the front cutter head is excavated, in order to prevent the rock from collapsing, a bolter is installed on the beam at the rear of the TBM, and the bolter is used for drilling, and then the bolt is installed to Strengthen the support of the cave wall, improve the stability of the rock, and provide safety guarantee for the subsequent construction. [0003] In the prior art, the posture adjustment of the rock bolt is realized by driving the rock bolt to rotate on the large ring gear through the hydraulic motor (such as figure 2 As shown), the angle between the drilling direction of the bolter and the normal direction of the tunnel contour line is relatively large during actual drilling, which will...

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problem in the prior art that the angle between the drilling direction of the rock bolt rig and the normal direction of the tunnel contour line is relatively large, resulting in poor anchoring effect, the present invention provides a multi-degree-of-freedom TBM rock bolt rig whose purpose is to: increase The degree of freedom of the bolter reduces the angle between the bolter and the drilling direction and the normal direction of the tunnel contour line, improving the anchoring effect of the bolt

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