Drainage device for preventing and controlling water in coal mine

Abstract

The utility model relates to the technical field of coal mine drainage, and discloses a drainage device for coal mine water control, which comprises a drainage tank, a fixed cylinder is fixedly mounted on the inner wall of the top side of the drainage tank, a lifting pipe is movably sleeved on the outer surface of the fixed cylinder, and the bottom end of the lifting pipe movably penetrates out of the drainage tank and is provided with a semicircular filter cover. A floating block is arranged on the side wall, movably penetrating out of the drainage tank, of the lifting pipe; according to the utility model, the lifting pipe which can be adjusted in a lifting manner is arranged on the drainage tank, and the floating block is arranged on the outer surface of the lifting pipe, so that the lifting pipe can float up and down along with the water level change of coal mining, the semicircular filter casing at the bottom end of the lifting pipe is always positioned below the water surface, and the normal operation of drainage and drainage operation is ensured; and under the transmission action of the gear and the rotating rod, filter holes of the semicircular filter cover are cleaned through the multiple arc-shaped cleaning brushes, and normal filtering operation of the semicircular filter cover is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine drainage technical field especially relates to a drainage device for coal mine prevention and treatment of water. BACKGROUND

[0002] Coal mine is the reasonable space that human excavates when excavating the geological layer rich in coal, usually including roadway, shaft and mining face etc., coal is the most main solid fuel, is flammability organic rock; coal mine needs to discharge the water in the coal mining in time during the mining process, more infiltration water in the mine, or meets the rainwater weather.

[0003] The prior art drainage device for coal mine prevention and treatment of water (its authorized announcement number is: CN218062386U) is provided with the filter plate on the bottom side of the drainage tank, the impurities and precipitate of water quality are filtered through the filter plate, the motor-driven pull rod and arc cleaning brush plate are arranged at the bottom of the filter plate, the cleaning of the filter plate can be realized through the reciprocating translation of the arc cleaning brush plate, and the normal operation of the drainage operation is ensured.

[0004] But the above scheme still has at least the following defects in actual operation: when the water level of the coal mining reservoir continues to drop below the filter plate at the bottom of the drainage tank, the device cannot continue the drainage operation, resulting in the problem that the coal mining drainage is not thorough enough; therefore the utility model is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In view of the defects of the prior art, the utility model provides a drainage device for coal mine prevention and treatment of water to solve the above problems.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A drainage device for coal mine prevention and treatment of water, comprising a drainage tank, a fixed cylinder is fixedly installed on the top side inner wall of the drainage tank, a lifting pipe is movably sleeved on the outer surface of the fixed cylinder, the bottom end of the lifting pipe is movably penetrated to the outside of the drainage tank and is provided with a semicircular filter cover, a floating block is arranged on the side wall of the lifting pipe movably penetrated to the outside of the drainage tank, a plurality of pipe openings are formed in the lifting pipe, a hollow cylinder is rotatably arranged in the fixed cylinder, an inner tooth cylinder is arranged in the hollow cylinder, a rotating groove is formed in the semicircular filter cover, a transmission cleaning mechanism is arranged between the inner tooth cylinder in the hollow cylinder and the rotating groove in the semicircular filter cover, and a drainage mechanism is arranged in the drainage tank.

[0008] Preferably, a motor is arranged on the top side of the drainage tank, and the output shaft of the motor is fixedly installed on the top side of the hollow cylinder; the hollow cylinder can be driven to rotate by starting the motor.

[0009] Preferably, the transmission cleaning mechanism comprises a gear, a rotating rod and arc-shaped cleaning brushes, the rotating rod is arranged between the hollow cylinder and the rotating groove in the semicircular filter cover, one end of the rotating rod is fixedly installed with the gear in the hollow cylinder, the gear is engaged with the internal tooth cylinder in the hollow cylinder, the bottom end of the rotating rod extends out of the semicircular filter cover and is fixedly installed with a plurality of arc-shaped cleaning brushes, the soft brush ends of the arc-shaped cleaning brushes are in contact with the filter holes of the semicircular filter cover; under the transmission of the gear and the rotating rod, the filter holes of the semicircular filter cover are cleaned by the arc-shaped cleaning brushes, and the normal filtering operation of the semicircular filter cover is ensured.

[0010] Preferably, a first installation groove is formed in the inner wall of the bottom opening of the drainage tank, a first sealing ring is arranged in the first installation groove, and the inner wall of the first sealing ring is sealingly attached to the outer wall of the lifting pipe; the first sealing ring prevents water in the drainage tank from leaking.

[0011] Preferably, a second installation groove is formed in the inner wall of the bottom opening of the fixed cylinder, a second sealing ring is arranged in the second installation groove, and the inner wall of the second sealing ring is sealingly attached to the outer wall of the rotating rod; the second sealing ring prevents water from entering the fixed cylinder.

[0012] Preferably, the drainage mechanism comprises a drainage pump and a drainage pipe, the inner wall of the drainage tank is provided with the drainage pump, one end of the drainage pipe is connected to the drainage end of the drainage pump, and the other end of the drainage pipe extends out of the drainage tank; starting the drainage pump in the drainage tank generates negative pressure in the drainage tank, facilitating the drainage operation.

[0013] The utility model discloses a kind of beneficial effects: by being provided with liftable adjusting lifting pipe on drainage tank, the outer surface of lifting pipe is provided with floating block, can make lifting pipe can follow the water level change of coal mining and float up and down, make semicircular filter cover of the bottom end of lifting pipe always below water surface, ensure the normal progress of drainage operation, simultaneously, with the continuous progress of drainage operation, water level liquid level height will have some drop, the gear of semicircular filter cover top end of rotating rod keeps engagement state in the internal tooth cylinder of hollow cylinder and slides downward, by starting motor, drive hollow cylinder rotation, under the transmission of gear and rotating rod, by multiple arc-shaped cleaning brushes, filter hole of semicircular filter cover is cleaned, ensure the normal filtering operation of semicircular filter cover, and then the mode in the case can realize the complete drainage operation of water of coal mining. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure schematic diagram of three-dimensional partial section of the utility model;

[0015] Figure 2 It is the structure schematic diagram of three-dimensional partial section of the utility model Figure 1Structure schematic view of part A;

[0016] Figure 3 For the utility model Figure 1 Structure schematic view of part B;

[0017] Figure 4 Structure schematic view of the utility model plane section;

[0018] Figure 5 Structure schematic view of the utility model explosion angle partial section.

[0019] In the drawing: 1, drain tank;2, fixed cylinder;3, lifting pipe;4, semicircular filter cover;5, floating block;6, pipe opening;7, motor;8, hollow cylinder;9, inner tooth cylinder;10, rotating groove;11, gear;12, rotating rod;13, arc-shaped cleaning brush;14, first mounting groove;15, first sealing ring;16, second mounting groove;17, second sealing ring;18, drain pump;19, drain pipe. Specific implementation

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Reference Figures 1-5 A drainage device for preventing and treating water in coal mines, comprising a drain tank 1, a fixed cylinder 2 is fixedly installed on the inner wall of the top side of the drain tank 1, a lifting pipe 3 is movably sleeved on the outer surface of the fixed cylinder 2, the bottom end of the lifting pipe 3 movably penetrates out of the drain tank 1 and is provided with a semicircular filter cover 4, the side wall of the lifting pipe 3 movably penetrating out of the drain tank 1 is provided with a floating block 5, a plurality of pipe openings 6 are formed in the lifting pipe 3, a hollow cylinder 8 is rotatably arranged in the fixed cylinder 2, an inner tooth cylinder 9 is arranged in the hollow cylinder 8, a rotating groove 10 is formed in the semicircular filter cover 4, a transmission cleaning mechanism is arranged between the inner tooth cylinder 9 in the hollow cylinder 8 and the rotating groove 10 in the semicircular filter cover 4, and a drainage mechanism is arranged in the drain tank 1.

[0022] Further, a motor 7 is arranged on the top side of the drain tank 1, and the output shaft of the motor 7 is fixedly installed on the top side of the hollow cylinder 8;By starting the motor 7, the hollow cylinder 8 can be driven to rotate.

[0023] Specifically, the transmission cleaning mechanism includes a gear 11, a rotating rod 12 and an arc-shaped cleaning brush 13. The rotating rod 12 is arranged between the hollow cylinder 8 and the rotating groove 10 in the semicircular filter cover 4. One end of the rotating rod 12 is fixedly installed with the gear 11 in the hollow cylinder 8. The gear 11 is engaged with the inner tooth cylinder 9 in the hollow cylinder 8. The bottom end of the rotating rod 12 extends out of the semicircular filter cover 4 and is fixedly installed with a plurality of arc-shaped cleaning brushes 13. The soft brush ends of the arc-shaped cleaning brushes 13 are in contact with the filter holes of the semicircular filter cover 4. Under the transmission of the gear 11 and the rotating rod 12, the filter holes of the semicircular filter cover 4 are cleaned by the arc-shaped cleaning brushes 13, ensuring the normal filtering operation of the semicircular filter cover 4.

[0024] Further, the first installation groove 14 is arranged on the inner wall of the bottom opening of the drainage tank 1. The first sealing ring 15 is arranged in the first installation groove 14. The inner wall of the first sealing ring 15 is sealingly attached to the outer wall of the lifting pipe 3. The first sealing ring 15 prevents the water in the drainage tank 1 from leaking.

[0025] Further, the second installation groove 16 is arranged on the inner wall of the bottom opening of the fixed cylinder 2. The second sealing ring 17 is arranged in the second installation groove 16. The inner wall of the second sealing ring 17 is sealingly attached to the outer wall of the rotating rod 12. The second sealing ring 17 prevents water from entering the fixed cylinder 2.

[0026] Further, the drainage mechanism includes a drainage pump 18 and a drainage pipe 19. The inner wall of the drainage tank 1 is provided with the drainage pump 18. One end of the drainage pipe 19 is connected to the drainage end of the drainage pump 18. The other end of the drainage pipe 19 extends out of the drainage tank 1. The drainage pump 18 in the drainage tank 1 is started to generate negative pressure in the drainage tank 1, facilitating the drainage operation.

[0027] In use: when the coal mine needs to discharge the water during the mining process, the floating block 5 on the lifting pipe 3 floats on the water surface. At this time, the semicircular filter cover 4 at the bottom end of the lifting pipe 3 is below the water surface. The drainage pump 18 in the drainage tank 1 is started to perform the drainage operation. As the drainage operation continues, the water level decreases. At this time, the lifting pipe 3 slides downward on the surface of the fixed cylinder 2. Under the action of the floating block 5 on the lifting pipe 3, the semicircular filter cover 4 at the bottom end of the lifting pipe 3 is always below the water surface, ensuring the normal operation of the drainage operation. The semicircular filter cover 4 at the bottom end of the lifting pipe 3 can filter impurities and sediments in the water. The motor 7 is started to drive the hollow cylinder 8 to rotate. Since the gear 11 is always engaged with the inner tooth cylinder 9 in the hollow cylinder 8, the plurality of arc-shaped cleaning brushes 13 on the rotating rod 12 in the semicircular filter cover 4 are synchronously driven to rotate. The filter holes of the semicircular filter cover 4 are cleaned by the arc-shaped cleaning brushes 13, ensuring the normal filtering operation of the semicircular filter cover 4.

[0028] The coal mine water prevention and control drainage device in the case, through setting up the liftable adjusting lifter pipe 3 on the drainage tank 1, the outer surface of the lifter pipe 3 is provided with the floating block 5, so that the lifter pipe 3 can follow the water level change of coal mining and float up and down, so that the semicircular filter cover 4 at the bottom end of the lifter pipe 3 is always below the water surface, guarantee the normal operation of the drainage operation, at the same time, with the continuous operation of the drainage operation, the water level liquid level height will be reduced, the gear 11 at the top end of the semicircular filter cover 4 turns the rod 12 keeps the meshing state in the inner tooth cylinder 9 of the hollow cylinder 8 and slides downward, through starting the motor 7, drives the hollow cylinder 8 to rotate, under the transmission of the gear 11 and the rotating rod 12, through the multiple arc-shaped cleaning brushes 13, the filter hole of the semicircular filter cover 4 is cleaned, guarantee the normal filtering operation of the semicircular filter cover 4, and then the mode in the case can realize the complete drainage operation of the water of coal mining.

[0029] It should be noted that in this document, the terms "first" and "second" and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0030] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the present application.

Claims

1. A drainage device for preventing and treating water in a coal mine, comprising a drainage tank (1), characterized in that, The top side inner wall of the drain tank (1) is fixedly provided with a fixed cylinder (2), the outer surface of the fixed cylinder (2) is movably sleeved with a lifting pipe (3), the bottom end of the lifting pipe (3) movably penetrates out of the drain tank (1) and is provided with a semicircular filter cover (4), the side wall of the lifting pipe (3) movably penetrating out of the drain tank (1) is provided with a floating block (5), a plurality of pipe mouths (6) are formed in the lifting pipe (3), a hollow cylinder (8) is rotatably arranged in the fixed cylinder (2), an inner tooth cylinder (9) is arranged in the hollow cylinder (8), a rotating groove (10) is formed in the semicircular filter cover (4), and a transmission cleaning mechanism is arranged between the inner tooth cylinder (9) in the hollow cylinder (8) and the rotating groove (10) in the semicircular filter cover (4). A drainage mechanism is arranged in the drain tank (1).

2. The drainage device for water control in coal mines according to claim 1, characterized in that, The top side of the drain tank (1) is provided with a motor (7), and the output shaft of the motor (7) is fixedly arranged on the top side of the hollow cylinder (8).

3. The water drainage device for water prevention and control in coal mines according to claim 2, characterized in that, The transmission cleaning mechanism comprises a gear (11), a rotating rod (12) and an arc-shaped cleaning brush (13), the same rotating rod (12) is rotatably arranged between the rotating groove (10) in the semicircular filter cover (4) and the hollow cylinder (8), one end of the rotating rod (12) rotatably arranged in the hollow cylinder (8) is fixedly provided with the gear (11), the gear (11) is engaged with the inner tooth cylinder (9) in the hollow cylinder (8), and the bottom end of the rotating rod (12) rotatably extends out of the semicircular filter cover (4) and is fixedly provided with a plurality of arc-shaped cleaning brushes (13), and the soft brush ends of the plurality of arc-shaped cleaning brushes (13) are in contact with the filter holes of the semicircular filter cover (4).

4. The water drainage device for water prevention and control in coal mines according to claim 1, characterized in that, A first mounting groove (14) is formed in the inner wall of the bottom opening of the drain tank (1), a first sealing ring (15) is arranged in the first mounting groove (14), and the inner wall of the first sealing ring (15) is sealingly attached to the outer wall of the lifting pipe (3).

5. The water drainage device for water prevention and control in coal mines according to claim 1, characterized in that, A second mounting groove (16) is formed in the inner wall of the bottom opening of the fixed cylinder (2), a second sealing ring (17) is arranged in the second mounting groove (16), and the inner wall of the second sealing ring (17) is sealingly attached to the outer wall of the rotating rod (12).

6. The water drainage device for water prevention and control in coal mines according to claim 1, characterized in that, The drainage mechanism comprises a drainage pump (18) and a drainage pipe (19), the inner wall of the drain tank (1) is provided with the drainage pump (18), one end of the drainage pipe (19) is connected to the drainage end of the drainage pump (18), and the other end of the drainage pipe (19) extends out of the drain tank (1).

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