System for fast mounting steel pull rod in ultra-long and large-dip-angle tunnel anchorage and operation method
An installation system and a technology with a large inclination angle, applied in the erection/assembly of bridges, bridge parts, bridge forms, etc., can solve the problems of long traction distance, low efficiency, slow transportation, etc., to reduce transportation distance, save costs, and improve installation. The effect of efficiency
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[0027] A fast installation system for super-long and large-inclination tunnel anchor steel rods, such as figure 1 As shown, it includes a hole platform 1 composed of section steel, and a 10t load-bearing rope hoist 2 and a 5t traction hoist 3 are installed at the rear of the horizontal hole exit platform 1; the load-bearing rope hoist 2 is mainly used for hoisting and auxiliary transportation of steel tie rods , the main function of the traction hoist 3 is to transport the steel pull rod; a rope limiter 5 is installed at the end of the platform. damage;
[0028] At the bottom of the hole far above the platform, two guide wheels 4 are set, which function to turn the load-bearing rope and the traction rope 12; a double-door block 6 is installed at the top of the hole between the guide wheels and the platform, and the steel rope will pass through. pulley for construction;
[0029] At the bottom of the tunnel anchor hole, an anchor point 7 is set near the bottom, and the angle o...
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