Advance borehole frame based on adjustable triangular support
An advanced drilling and triangular technology, which is applied in the direction of drilling equipment, earthwork drilling, supporting devices, etc., can solve the problems of affecting the tunnel construction progress, low drilling efficiency, high labor intensity, etc., and achieves high practical value and simple front and rear adjustment. , The effect of low input cost
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[0024] Such as figure 1 , figure 2 As shown, the present invention includes a horizontal workbench 1 located at the rear side of the tunnel face under construction, two horizontal steel rails 2 respectively installed on the left and right sides of the upper part of the horizontal workbench 1 and moving back and forth along the two horizontal steel rails 2 And for the drilling rig installation frame installed by the horizontal drilling machine 3, the horizontal workbench 1 is arranged along the longitudinal extension direction of the tunnel being constructed, and the two horizontal rails 2 are arranged along the length direction of the horizontal workbench 1. The rig mounting frame includes a rectangular bracket 4 whose bottom is clamped between the two horizontal rails 2 and moves back and forth along the two horizontal rails 2, a vertical mounting plate 5 installed above the middle of the rectangular bracket 4, two A diagonal connecting rod 6 installed on the left and right...
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