Water spraying roadway roof crack treatment device

Abstract

A water spraying roadway top plate crack treatment device comprises a roadway and is characterized in that a plurality of grouting holes are formed in the top of the roadway, grouting pipelines used for filling cracks with plugging materials are fixedly inserted into the grouting holes, and a plurality of water receiving assemblies for receiving crack spraying water are arranged in the roadway; the corresponding water receiving assembly comprises I-shaped sliding rails connected to the left side wall and the right side wall of the roadway, a water collecting tank is slidably supported on the corresponding I-shaped sliding rails, a flow guide hose is connected to a water outlet of the water collecting tank, a filter tank is connected to a water outlet of the flow guide hose, and a water outlet of the filter tank is communicated with a drainage ditch on one side of the bottom of the roadway through a water conveying pipeline. The grouting holes are formed in the roadway, specific plugging materials are used, roof cracks are effectively treated, the water receiving assembly can collect spraying water and filter and discharge the spraying water, and water accumulation harm is avoided. The device is reasonable in structure and capable of improving the working environment, reducing the equipment erosion risk, guaranteeing the safety of workers and improving the coal mining efficiency and safety.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine roadway roof water seepage treatment technical field, concretely relates to a kind of water spraying roadway roof crack processing device. BACKGROUND

[0002] Coal mine roadway roof is generally composed of anisotropic rock mass, rock mass is a kind of complex medium formed by cementation of various mineral compositions under geological action, and there are natural defects such as cleavage, fissure and intergranular pore in rock mass.Under the weakening effect of underground water for a long time, rock mass produces dripping and leaking phenomenon, which reduces the strength of surrounding rock in mine and causes serious deformation.Even after taking reinforcement measures, deformation is delayed;However, during mining, water spraying roadway deformation is aggravated, which produces severe roof subsidence and serious deformation of two sides, and other safety production hazards.Although the amount of water is not large, it will increase the humidity in the roadway, affect the working environment, and also erode the equipment and supporting structure in the roadway, shorten its service life and increase maintenance cost.Meanwhile, accumulated water may cause slippery ground in the roadway, increase the risk of walking and transportation of workers, and pose a serious threat to the efficiency and safety of coal mining. SUMMARY

[0003] In order to solve the above problems, the utility model provides a kind of water spraying roadway roof crack processing device.

[0004] The utility model is realized by the following technical solutions:

[0005] A kind of water spraying roadway roof crack processing device, comprising roadway, characterized by: a plurality of grouting holes are arranged in the top of roadway, and a grouting pipeline for filling sealing material into crack is inserted and fixed in the grouting hole; a plurality of water receiving assemblies for receiving water from crack are arranged in the roadway; the water receiving assembly comprises an I-shaped slide rail connected to the left and right side walls of the roadway; a water collecting tank is slidably supported on the I-shaped slide rail; a water outlet of the water collecting tank is connected to a flow guide hose; a filter box is connected to the water outlet of the flow guide hose; and the water outlet of the filter box is communicated with a drainage ditch on one side of the bottom of the roadway through a water conveying pipeline.

[0006] Further, the sealing material is modified two-component non-thermal polyurea quick-drying aluminosilicate cement hybrid grouting material.

[0007] Further, a sliding block is slidably connected to the I-shaped slide rail, and the sliding block is fixedly connected to the water collecting tank.

[0008] Further, an inclined flow guide plate is arranged on the left and right sides of the upper part of the water collecting tank, and the flow guide plate extends upward and closely contacts with the side wall of the roadway.

[0009] Further, a slidable plate is arranged in the water collecting tank and inclined to the water outlet. Further, a slidable plate is arranged in the water collecting tank and inclined to the water outlet.

[0010] Further, the grouting pipe is provided with a plugging head, and the plugging head is tightly combined with the grouting hole.

[0011] Further, the filter box is connected and fixed with the sidewall of the roadway through a support.

[0012] Further, the grouting pipe is connected and fixed with the discharge port of the external grouting machine.

[0013] Compared with the prior art, the device has the advantages that: the grouting hole is arranged in the roadway, and the specific plugging material is used, so that the roof cracks are effectively treated; the water collecting assembly can collect and filter and discharge the dripping water, so that the water accumulation hazard is avoided; the device has a reasonable structure, can improve the working environment, reduce the equipment erosion risk, ensure the safety of workers, and improve the coal mining efficiency and safety. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structural schematic view of the utility model;

[0015] Figure 2 is a front view of Figure 1 ;

[0016] In the drawing: roadway 1, grouting hole 2, grouting pipe 3, I-shaped slide rail 4, water collecting tank 5, flow guide hose 6, filter box 7, water conveying pipe 8, drainage ditch 9, sliding block 10, flow guide plate 11, sliding plate 12, plugging head 13. DETAILED DESCRIPTION

[0017] The utility model will be described in further detail in combination with the drawings and specific implementation manners:

[0018] As shown in Figure 1 , 2 , a dripping water roadway roof crack treatment device, including roadway 1, the top of roadway 1 is provided with a plurality of grouting holes 2, the grouting hole 2 is inserted and fixed with the grouting pipe 3 for filling the plugging material into the crack, the roadway 1 is provided with a plurality of groups of water collecting assemblies for receiving the dripping water of the crack, and the corresponding water collecting assembly includes the I-shaped slide rail 4 connected on the sidewalls on the left and right sides of the roadway 1, the water collecting tank 5 is slidably supported on the corresponding I-shaped slide rail 4, the water outlet of the water collecting tank 5 is connected with the flow guide hose 6, the water outlet of the flow guide hose 6 is connected with the filter box 7, and the water outlet of the filter box 7 is communicated with the drainage ditch 9 on one side of the bottom of the roadway 1 through the water conveying pipe 8.

[0019] As shown in Figure 1 , 2The shown plugging material adopts modified two-component non-thermal polyurea fast-drying aluminosilicate cement hybrid grouting material, which has certain rigidity and can resist rock deformation, and has certain flexibility, strong self-adaptability, good plugging performance, and environmental protection, non-toxic, and environment-friendly characteristics.

[0020] As shown in Figure 1 , 2 , a sliding block 10 is connected on the I-shaped sliding rail 4, and the sliding block 10 is fixedly connected with the water collecting tank 5.

[0021] As shown in Figure 1 , 2 , inclined guide plates 11 are arranged on the upper left and right sides of the water collecting tank 5, the guide plates 11 extend upward and closely fit the sidewall of the roadway 1, so that the water can be better collected into the water collecting tank 5.

[0022] As shown in Figure 1 , 2 , a chute 12 is arranged in the water collecting tank 5 and inclined to the water outlet.

[0023] As shown in Figure 1 , 2 , a plugging head 13 is arranged on the grouting pipeline 3 and closely fits the grouting hole 2 to prevent the plugging material from flowing out of the gap between the grouting pipeline 3 and the grouting hole 2 during grouting.

[0024] As shown in Figure 1 , 2 , the filter box 7 is fixedly connected with the sidewall of the roadway 1 through a support.

[0025] As shown in Figure 1 , 2 , the grouting pipeline 3 is fixedly connected with the discharge port of the external grouting machine.

[0026] The implementation principle of the water dripping roadway roof crack treatment device in the embodiment of the application is as follows:

[0027] When the water dripping roadway roof crack treatment is performed after the water dripping in the roof crack of the roadway 1, the grouting pipeline 3 is inserted into the grouting hole 2, and the plugging head 13 is closely fitted with the grouting hole 2 to prevent the plugging material from leaking out of the gap between the grouting pipeline 3 and the grouting hole 2 during grouting. The modified two-component non-thermal polyurea fast-drying aluminosilicate cement hybrid grouting material can plug the inside of the crack during grouting to avoid continuous water dripping at the top of the roadway 1.

[0028] In the process of grouting plugging, water will be pushed out from other cracks and leaked into the roadway 1, at this time, the corresponding water collecting tank 5 is pushed to the place of dripping water, the water collecting tank 5 will collect the dripping water, the dripping water collected in the water collecting tank 5 will be collected to the water outlet through the inclined chute 12 in the water collecting tank 5, and then flow into the diversion hose 6 through the water outlet, the dripping water in the diversion hose 6 will be mixed with some impurities in the roadway 1, so it needs to be filtered through the filter box 7, after being filtered through the filter box 7, the dripping water will be directly discharged into the drainage ditch 9 through the water conveying pipeline 8, and then the dripping water will be collected to the external water storage area through the drainage ditch 9, so that the plugging of the dripping roadway roof crack and the collection of the dripping water discharged during the plugging are completed, the whole process saves time and effort, and better prevents the dripping water from continuously leaking from the coal mine roadway 1 roof crack, greatly improving the work efficiency.

[0029] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by the person skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only for illustrating the principle of the utility model, various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A device for treating roof cracks in a wet tunnel, comprising a tunnel (1), characterised in that: The roadway (1) top is provided with a plurality of grouting holes (2), the grouting holes (2) are inserted and fixed with grouting pipes (3) for filling the sealing material into the cracks, the roadway (1) is provided with a plurality of groups of water receiving assemblies receiving crack water, corresponding to the water receiving assemblies include I-shaped slide rails (4) connected to the left and right side walls of the roadway (1), corresponding to the I-shaped slide rails (4) slidingly supported on the slide rails are water collecting tanks (5), the water outlets of the water collecting tanks (5) are connected with flow guide hoses (6), the water outlets of the flow guide hoses (6) are connected with filter boxes (7), and the water outlets of the filter boxes (7) are communicated with a drainage ditch (9) on one side of the bottom of the roadway (1) through water conveying pipes (8).

2. The water spraying roadway roof crack treatment device according to claim 1, characterized in that: The sealing material is a modified two-component non-thermal polyurea quick-drying aluminosilicate cement hybrid grouting material.

3. The water spraying roadway roof crack treatment device according to claim 1, characterized in that: A sliding block (10) is slidingly connected to the I-shaped slide rail (4), and the sliding block (10) is connected and fixed with the water collecting tank (5).

4. The water spraying roadway roof crack treatment device according to claim 3, characterized in that: Inclined flow guides (11) are arranged on the left and right sides of the upper portion of the water collecting tank (5), and the flow guides (11) extend upward and closely fit the side walls of the roadway (1).

5. The water spraying roadway roof crack treatment device according to claim 1, characterized in that: An inclined chute plate (12) is arranged in the water collecting tank (5) and inclined to the water outlet.

6. The water spraying roadway roof crack treatment device according to claim 1, characterized in that: A sealing head (13) is arranged on the grouting pipe (3) and closely fits the grouting hole (2).

7. The water drenching roadway roof crack treatment device according to claim 1, characterized in that: The filter box (7) is connected and fixed with the side wall of the roadway (1) through a support.

8. The water drenching roadway roof crack treatment device according to claim 1, characterized in that: The grouting pipe (3) is connected and fixed with the discharge port of an external grouting machine.

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