Underground drainage equipment for coal mine

By installing a sewage pipe, cover, filter cartridge, and baffle ring structure in the underground drainage equipment of coal mines, the problem of blockage caused by gravel particles entering the pump body is solved, achieving a long service life and rapid drainage effect for the equipment.

CN223739476UActive Publication Date: 2025-12-30杜鑫
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Patent Information

Application Number
CN202520613899.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2025-12-30
Estimated Expiration
2035-04-02

AI Technical Summary

Technical Problem

When existing underground drainage equipment in coal mines is in use, gravel particles can easily enter the pump with the accumulated water, causing blockages and wear, making cleaning inconvenient, and affecting the lifespan of the equipment.

Method used

A drainage device for underground coal mines was designed. By setting up a sewage pipe, a cover, a filter cartridge and a baffle ring structure, the filter cartridge filters impurities, and the impurities slide down into the sewage pipe under their own gravity, preventing impurities from entering the pump body. The threaded connection and brush ring structure ensure rapid flow of water.

Benefits of technology

This effectively avoids pump blockage and wear, extends the service life of the equipment, and ensures rapid drainage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses coal mine underground drainage equipment, and particularly relates to the technical field of coal mines, the coal mine underground drainage equipment comprises a base, the top of the base is fixedly connected with a water suction pump through a support, a water outlet of the water suction pump is connected with a water outlet pipe, a water inlet of the water suction pump is connected with a water inlet pipe, and one end of the water inlet pipe is provided with a water suction hose; and the blow-off pipe is obliquely arranged on the bottom side of the water inlet pipe, the bottom end of the blow-off pipe is detachably connected with a sealing cover, and a filter cartridge is arranged on the inner side of the sealing cover. Through the arrangement of structures such as the blow-off pipe, the sealing cover, the filter cartridge and the baffle ring, accumulated water can be filtered by the filter cartridge inserted between the water inlet pipe and the blow-off pipe after entering the water inlet pipe, so that impurities such as broken stone particles doped in the accumulated water are intercepted, and the intercepted impurities can slide down along the filter cartridge and settle in the blow-off pipe under the action of self gravity; impurities such as broken stone particles can be effectively prevented from entering the pump, and the pump body is prevented from being blocked and damaged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mine, concretely relates to a coal mine underground drainage equipment. BACKGROUND

[0002] Coal mine is the area that human beings exploit coal resources in the coal-rich mining area, and is generally divided into underground coal mine and open coal mine. When the coal seam is far from the ground surface, generally selects to excavate the tunnel to mine coal, and this is the underground coal mine. When the distance between the coal seam and the ground surface is very close, generally selects to directly strip the ground surface soil layer to mine coal, and this is the open coal mine.

[0003] At present, the coal mine underground drainage equipment is often connected with the water pumping pipeline through the water pump when in use, the water pumping pipeline can be extended to the underground water accumulation area, so that the underground water can be quickly pumped out, but in the actual process, the existing equipment is inevitably full of a large number of gravel particles in the coal mine underground, so that the gravel particles are easily sucked into the pump together with the water when draining, which can easily cause internal structure blockage and wear after a long time, and the cleaning is extremely inconvenient, which greatly affects the service life of the equipment, therefore, a coal mine underground drainage equipment needs to be designed to solve the above problems. UTILITARIAN CONTENT

[0004] The utility model aims at providing a coal mine underground drainage equipment, through setting up the structure such as drain pipe, cover, filter cartridge and baffle ring, after the water enters the water inlet pipe, can be filtered by the filter cartridge inserted between the water inlet pipe and the drain pipe, so that the impurities such as gravel particles mixed therein are intercepted, and the intercepted impurities can slide down along the filter cartridge and settle in the drain pipe under the action of gravity, thereby the impurities such as gravel particles can be effectively prevented from entering the pump, and the pump body is prevented from being blocked and damaged, so as to solve the above shortcomings in the art.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a coal mine underground drainage equipment, comprising:

[0006] The base is fixedly connected with the water pump at the top through the support, the water outlet of the water pump is connected with the water outlet pipe, and the water inlet of the water pump is connected with the water inlet pipe, one end of the water inlet pipe is provided with the water pumping hose, and the support is arranged between the water inlet pipe and the base;

[0007] The drain pipe is inclinedly arranged at the bottom side of the water inlet pipe, and the bottom end of the drain pipe is detachably connected with the cover, the inner side of the cover is provided with the filter cartridge, and the filter cartridge is insertedly matched in the drain pipe and the water inlet pipe;

[0008] The movable block is movably arranged in the filter cartridge, one end of the movable block is fixedly connected with the connecting frame, one end of the connecting frame relative to the movable block is connected with the brush ring, and the brush ring abuts against the inner wall of the filter cartridge.

[0009] Preferably, the inner side of the water inlet pipe close to the side of the drain pipe is fixedly connected with a blocking ring, and the top end of the filter cartridge can abut against the side wall of the blocking ring.

[0010] Preferably, the bottom of the cover is fixedly provided with a driving motor, the output end of the driving motor extends into the filter cartridge and is connected with a threaded column, and the movable block is connected with the threaded column through screwing.

[0011] Preferably, the top end of the threaded column is provided with a stopper.

[0012] Preferably, the two ends of the movable block are symmetrically fixedly provided with guide columns, the inner sides of the filter cartridge are symmetrically provided with guide frames, and the guide columns are slidingly fitted in the guide frames relative to one end of the movable block.

[0013] Preferably, the inner side of the cover is provided with an internal thread layer, the bottom end of the drain pipe is provided with an external thread layer matched with the internal thread layer, and the inner side of the cover between the filter cartridge and the internal thread layer is provided with a rubber ring.

[0014] Preferably, the bottom of the base is provided with four moving wheels, and the top of the base is provided with a fixing frame.

[0015] In the above technical scheme, the technical effects and advantages of the utility model are provided:

[0016] Through the structures of the drain pipe, the cover, the filter cartridge and the blocking ring, when the accumulated water enters the water inlet pipe, the filter cartridge inserted between the water inlet pipe and the drain pipe can filter the impurities such as gravel particles mixed in the accumulated water, and the intercepted impurities can slide down along the filter cartridge and settle in the drain pipe under the action of gravity, thereby effectively preventing the impurities such as gravel particles from entering the pump and preventing the pump body from being blocked and damaged.

[0017] And through the internal thread layer, the external thread layer and the rubber ring, the cover and the drain pipe can be tightly connected and separated, thereby facilitating the disassembly and assembly of the filter cartridge and facilitating the maintenance and cleaning.

[0018] Through the structures of the threaded column, the movable block, the guide column and the brush ring, the movable block can drive the brush ring to move through the connecting frame, and the impurities accumulated and blocked at the filter port can be further swept down by controlling the brush ring to move back and forth on the surface of the filter cartridge, so as to ensure the rapid flow of the accumulated water and greatly improve the drainage effect. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to make the technical personnel in the art better understand the technical scheme of the present application, the following will be further described in detail with reference to the drawings.

[0020] Figure 1 It is the whole structure schematic diagram of the utility model;

[0021] Figure 2 It is the inside structure schematic diagram of the utility model water inlet pipe and blow-off pipe;

[0022] Figure 3 It is the connection structure schematic diagram of the utility model cover and filter cartridge;

[0023] Figure 4 It is the longitudinal section view of the utility model water inlet pipe and blow-off pipe.

[0024] Mark explanation:

[0025] 1, base, 2, moving wheel, 3, water pump, 4, water outlet pipe, 5, water inlet pipe, 6, water pump hose, 7, support frame, 8, fixed frame, 9, blow-off pipe, 10, cover, 11, filter cartridge, 12, baffle ring, 13, drive motor, 14, threaded column, 15, movable block, 16, connecting frame, 17, brush ring, 18, guide column, 19, guide frame, 20, rubber ring, 21, internal thread layer, 22, external thread layer. Specific implementation

[0026] In order to make the technical personnel in the art better understand the technical scheme of the present application, the following will be further described in detail with reference to the drawings.

[0027] The utility model provides a kind of coal mine underground drainage equipment as Figures 1-4 As shown in the figure, comprising:

[0028] Base 1, the top of base 1 is fixedly connected with water pump 3 by support, the water outlet of water pump 3 is connected with water outlet pipe 4, and the water inlet of water pump 3 is connected with water inlet pipe 5, one end of water inlet pipe 5 is provided with water pump hose 6, and support frame 7 is arranged between water inlet pipe 5 and base 1.

[0029] The bottom of base 1 is provided with moving wheel 2 at four ends, and the top of base 1 is provided with fixed frame 8. Based on this, fixed frame 8 and moving wheel 2 are set to facilitate the push-pull movement device.

[0030] The drain pipe 9 is obliquely arranged at the bottom side of the water inlet pipe 5, and the bottom end of the drain pipe 9 is detachably connected with a cover 10, the inner side of the cover 10 is provided with a filter cartridge 11, and the filter cartridge 11 is insertedly matched in the drain pipe 9 and the water inlet pipe 5;

[0031] The inner side of the cover 10 is provided with an inner thread layer 21, the bottom end of the drain pipe 9 is provided with an outer thread layer 22 matched with the inner thread layer 21, and the inner side of the cover 10 between the filter cartridge 11 and the inner thread layer 21 is provided with a rubber ring 20.

[0032] The movable block 15 is movably arranged in the filter cartridge 11, one end of the movable block 15 is fixedly connected with a connecting frame 16, the connecting frame 16 is connected with a brush ring 17 at one end relative to the movable block 15, and the brush ring 17 abuts against the inner wall of the filter cartridge 11.

[0033] The inner side of the water inlet pipe 5 close to the drain pipe 9 is fixedly connected with a blocking ring 12, and the top end of the filter cartridge 11 can abut against the side wall of the blocking ring 12.

[0034] In use, the water pump 3 is started to make the water suction hose 6 suck the accumulated water in the coal mine, and then the accumulated water can enter the water inlet pipe 5, and the filter cartridge 11 inserted between the water inlet pipe 5 and the drain pipe 9 can filter the accumulated water to intercept the impurities such as gravel particles mixed therein, and the intercepted impurities can slide down along the filter cartridge 11 and settle in the drain pipe 9 under the action of gravity, and then the accumulated water is discharged from the water outlet pipe 4 by the water pump 3, thereby effectively preventing the impurities such as gravel particles from entering the pump and preventing the pump body from being blocked and damaged.

[0035] The inner thread layer 21 and the outer thread layer 22 are screw-connected, and cooperate with the rubber ring 20 to realize the close connection and separation between the cover 10 and the drain pipe 9, thereby facilitating the disassembly and assembly of the filter cartridge 11 and facilitating the maintenance and cleaning.

[0036] The bottom middle of the cover 10 is fixedly connected with a driving motor 13, the output end of the driving motor 13 extends into the filter cartridge 11 and is connected with a threaded column 14, and the movable block 15 is screw-connected outside the threaded column 14.

[0037] The top end of the threaded column 14 is provided with a stop block. The stop block can prevent the movable block 15 from being separated from the threaded column 14.

[0038] The two ends of the movable block 15 are symmetrically fixedly connected with guide columns 18, the two sides of the inner side of the filter cartridge 11 are symmetrically provided with guide frames 19, and the guide columns 18 are slidingly matched in the guide frames 19 relative to one end of the movable block 15.

[0039] By starting the driving motor 13, the driving motor 13 can drive the threaded column 14 to rotate, and under the support and limitation of the guide column 18 and the guide frame 19, the threaded column 14 can drive the movable block 15 to move linearly stably, and then the movable block 15 can drive the brush ring 17 to move through the connecting frame 16, and by controlling the brush ring 17 to sweep back and forth on the surface of the filter cartridge 11, the impurities accumulated and blocked at the filtering port can be further swept down, so as to ensure the rapid flow of the accumulated water, and the drainage effect is greatly ensured.

[0040] The above only describes certain exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the present application.

Claims

1. A coal mine underground drainage apparatus, characterised in that, Include: Base (1), the top of base (1) is fixedly connected with water pump (3) through support, the water outlet of water pump (3) is connected with water outlet pipe (4), and the water inlet of water pump (3) is connected with water inlet pipe (5), one end of water inlet pipe (5) is provided with water suction hose (6), and support frame (7) is arranged between water inlet pipe (5) and base (1); Sewer (9) is arranged on the bottom side of water inlet pipe (5) obliquely, and the bottom end of sewer (9) is detachably connected with cover (10), the inner side of cover (10) is provided with filter cartridge (11), and filter cartridge (11) can be inserted into sewer (9) and water inlet pipe (5); Movable block (15) is movably arranged in filter cartridge (11), and one end of movable block (15) is fixedly connected with connecting frame (16), connecting frame (16) is connected with brush ring (17) relative to one end of movable block (15), and brush ring (17) abuts with the inner wall of filter cartridge (11).

2. A coal mine underground drainage apparatus as claimed in claim 1 wherein: The inner side of water inlet pipe (5) is fixedly connected with stop ring (12) near one side of sewer (9), and the top end of filter cartridge (11) can abut against the side wall of stop ring (12).

3. The underground coal mine drainage apparatus according to claim 1, characterized in that: The bottom of cover (10) is fixedly connected with driving motor (13), the output end of driving motor (13) extends into filter cartridge (11) and is connected with threaded column (14), and movable block (15) is connected with threaded column (14) by screwing.

4. A coal mine underground drainage apparatus as claimed in claim 3, characterised in that: The top end of threaded column (14) is provided with stop block.

5. The underground coal mine drainage apparatus of claim 1, wherein: Both ends of movable block (15) are fixedly connected with guide column (18), both sides of the inner side of filter cartridge (11) are provided with guide frame (19), and guide column (18) is slidingly fitted in guide frame (19) relative to one end of movable block (15).

6. The underground coal mine drainage apparatus of claim 1, wherein: The inner side of cover (10) is provided with internal thread layer (21), the bottom end of sewer (9) is provided with external thread layer (22) matched with internal thread layer (21), and rubber ring (20) is arranged between internal thread layer (21) and filter cartridge (11) on the inner side of cover (10).

7. The underground coal mine drainage apparatus of claim 1, wherein: The bottom of base (1) is provided with mobile wheel (2) at four ends, and the top of base (1) is provided with fixed frame (8).