Floor crack water pumping device and method

Abstract

The invention discloses a floor crack water pumping device and method. The floor crack water pumping device comprises a water pumping pipe which extends into a drilling hole of a floor and is made of a seamless stainless steel tube, an annular drainage siphon which is arranged at an exposed end of the water pumping pipe and connected with the water pumping pipe through a connector and a valve. A plurality of water pumping holes are formed in the water pumping pipe at intervals, a one-way water-isolating sheet is arranged inside the water pumping pipe, rubber water-blocking rings which contain expanding agents are sleeved on the outer wall of the water pumping pipe at intervals, a sealant is arranged between the outer wall of the tail end of the water pumping pipe and the inner wall of the drilling hole, and the annular drainage siphon which is connected with the water pumping pipe is externally connected with a servo pump and a water storage tank. According to the floor crack water pumping device and method, as per a sealing fluid siphon principle, water in a crack of the floor is drawn out, the floor water is prevented from softening floor strata, the stability of floor surrounding rocks is improved, meanwhile, the water outgoing quantity is effectively controlled through the valve, the drainage siphon is full of the water all the time, and the air is prevented from entering the drilling hole of the floor and weathering the strata. The device is simple in structure, low in cost, easy to construct, reliable and effective.

Description

technical field [0001] The invention relates to a floor fissure water suction device and method, which is especially suitable for drainage and drainage of fissure-developed surrounding rocks, soft rock surrounding rocks and seepage surrounding rocks in mines, tunnels and underground engineering. Background technique [0002] In mines, tunnels, and underground engineering, it is often encountered that cracks develop in surrounding rocks, weak surrounding rocks, and seepage surrounding rocks. The surrounding rocks contain obvious weak interlayers, muddy interlayers, various structural surfaces, and various composite structures. Among them, the soft rock surrounding rock with mudstone interlayer has the characteristics of strong expansion and weathering, and under the combined action of water and dynamic pressure, the mudstone is very easy to muddy when it encounters water, often accompanied by water seepage in the surrounding rock, wet and soft, and the roadway is easy to Phen...

AI Technical Summary

Problems solved by technology

When this kind of surrounding rock is supported by floor anchoring, it is difficult to set the floor bolts and form an effective anchoring force. At the same time, after generally taking support measures, floor heaves and cracks in the roadway floor will still occur under water seepage conditions, affecting the roadway. Use and safe production

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