Coal mine underground air and water supply device

Abstract

The utility model relates to the field of coal mine wells, in particular to a coal mine underground air and water supply device which comprises a bearing block. A supporting frame is fixedly connected to the upper end of the bearing block, a servo motor is fixedly connected to the upper end of the supporting frame, the lower end of an output shaft of the servo motor penetrates through the upper end of the supporting frame and is fixedly connected with a lead screw, a screw sleeve is movably installed on the outer wall of the lead screw, and a lifting block is fixedly connected to the outer wall of the screw sleeve. The servo motor is started to enable the screw rod to rotate, the screw sleeve moves up and down along the outer wall of the screw rod, the lifting block is driven to move up and down, the outer walls of the first L-shaped pipe and the second L-shaped pipe can be wiped, when the first sponge barrel and the second sponge barrel need to be replaced, only the first L-shaped pipe and the second L-shaped pipe need to be taken out upwards, and the first sponge barrel and the second sponge barrel need to be replaced. And then the first movable block and the second movable block are rotated, so that the first sponge barrel and the second sponge barrel can be conveniently replaced.

Description

Technical Field

[0001] The utility model belongs to the field of coal mines, and particularly relates to an air supply and water supply device for coal mines underground. Background Art

[0002] In the working environment of coal mines underground, the air supply and water supply systems are important infrastructures to ensure the safety of miners' lives and the smooth progress of production. The underground environment of coal mines is complex and changeable, with many potential safety hazards, such as gas accumulation, dust diffusion, high humidity, etc. In order to effectively cope with these challenges, coal mining enterprises usually deploy air supply and water supply devices underground to provide necessary fresh air and clean water sources.

[0003] At present, since a large amount of dust is often generated in coal mines underground, a large amount of dust will adhere to the air supply and water supply pipes. If these dusts adhere to the air supply and water supply pipes for a long time, it will affect the service life of the air supply and water supply pipes. The existing air supply and water supply devices for coal mines underground usually have difficulty in quickly cleaning the outer wall of the air supply and water supply pipes, are inconvenient for quickly disassembling, installing and replacing the cleaning mechanism, and are inconvenient for maintaining the cleaning mechanism.

[0004] Therefore, an air supply and water supply device for coal mines underground is proposed, which can quickly clean the outer wall of the air supply and water supply pipes, is convenient for quickly disassembling, installing and replacing the cleaning mechanism, and is relatively convenient for maintaining the cleaning mechanism. Content of the Utility Model

[0005] In order to overcome the problems that the existing air supply and water supply devices for coal mines underground usually have difficulty in quickly cleaning the outer wall of the air supply and water supply pipes, are inconvenient for quickly disassembling, installing and replacing the cleaning mechanism, and are inconvenient for maintaining the cleaning mechanism.

[0006] The technical solution of the utility model is: an air supply and water supply device for coal mines underground, which includes a bearing block; a support frame is fixedly connected to the upper end of the bearing block, a servo motor is fixedly connected to the upper end of the support frame, the lower end of the output shaft of the servo motor penetrates through the upper end of the support frame and is fixedly connected with a lead screw, a nut sleeve is movably installed on the outer wall of the lead screw, a lifting block is fixedly connected to the outer wall of the nut sleeve, a cleaning mechanism is arranged on the lifting block, second connecting blocks are fixedly connected to both the front and rear sides of the support frame, a third connecting block is fixedly connected to the end of the second connecting block far away from the support frame, a second reinforcing cylinder is fixedly connected to the left end of the third connecting block, a first L-shaped pipe is slidably arranged in the inner wall of one of the second reinforcing cylinders, and a second L-shaped pipe is slidably arranged in the inner wall of the other second reinforcing cylinder;

[0007] The cleaning mechanism includes an adjusting arm, a first movable block, a first sponge cylinder, a second movable block, a second sponge cylinder and a rotating arm; the lifting block is of a triangular structure, and adjusting arms are hinged to both side walls of the lifting block. One end of one adjusting arm is hinged to the first movable block, and the first sponge cylinder is fixedly connected to the inner wall of the first movable block. The other end of the other adjusting arm is hinged to the second movable block, and the second sponge cylinder is fixedly connected to the inner wall of the second movable block. A first groove is formed at the left end of the first movable block, and the rotating arm is rotatably installed on the inner wall of the first groove. A first threaded hole is formed through the upper end of the rotating arm downward. A second groove is formed at the left end of the second movable block, and a second threaded hole is formed through the upper end of the second movable block downward. The upper and lower end faces of the inner wall of the first groove and the upper and lower end faces of the inner wall of the second groove are flush. A screw rod is commonly threadedly installed in the inner walls of the first threaded hole and the second threaded hole. The outer wall of the second L-shaped pipe fits with the inner wall of the first sponge cylinder, and the outer wall of the first L-shaped pipe fits with the inner wall of the second sponge cylinder.

[0008] Preferably, during use, rotate both the first movable block and the second movable block towards the position of the lifting block, and then rotate the rotating arm so that the first threaded hole and the second threaded hole correspond to each other. Threadedly install the screw rod in the inner walls of the first threaded hole and the second threaded hole. At this time, the outer wall of the second L-shaped pipe fits with the inner wall of the first sponge cylinder, and the outer wall of the first L-shaped pipe fits with the inner wall of the second sponge cylinder. Start the servo motor to make the lead screw rotate, and the nut sleeve moves up and down along the outer wall of the lead screw, driving the lifting block to move up and down, so that the outer walls of the first L-shaped pipe and the second L-shaped pipe can be wiped. When the first sponge cylinder and the second sponge cylinder need to be replaced, just take out the first L-shaped pipe and the second L-shaped pipe upward, and then rotate the first movable block and the second movable block, so that it is convenient to replace the first sponge cylinder and the second sponge cylinder, solving the problems that the existing air supply and water supply devices in coal mines are usually difficult to quickly clean the outer walls of air supply and water supply pipes, inconvenient to quickly disassemble, install and replace the cleaning mechanism, and inconvenient to maintain the cleaning mechanism.

[0009] Preferably, the support frame is U-shaped, and a bearing is fixedly connected to the bottom surface of the inner wall of the support frame. The lower end outer wall of the lead screw fits with the inner wall of the bearing, and when the lead screw rotates, it can rotate stably along the inner wall of the bearing.

[0010] Preferably, a gas collector is fixedly connected to one end of the first L-shaped pipe, and an axial flow fan is fixedly connected to the other end of the gas collector. Starting the axial flow fan can inject the external wind force into the first L-shaped pipe through the gas collector and then send it to the coal mine underground.

[0011] Preferably, a connecting pipe is fixedly connected to one end of the second L-shaped pipe, and an electromagnetic valve is arranged on the connecting pipe. Connect the tap water pipe to the connecting pipe, and opening the electromagnetic valve can convey water into the second L-shaped pipe.

[0012] Preferably, two first connection blocks are fixedly connected to the left side of the bearing block. The left end of the first connection block is fixedly connected to a first reinforcement cylinder. A fixed pipe is fixedly connected to the inner wall of the first reinforcement cylinder. The fixed pipe is L-shaped. The inner wall of the upper end of one of the fixed pipes is in contact with the inner wall of the lower end of the first L-shaped pipe, and the inner wall of the upper end of the other fixed pipe is in contact with the inner wall of the lower end of the second L-shaped pipe. The arrangement of the first connection block and the first reinforcement cylinder can achieve the stable placement of the fixed pipe. By placing the two fixed pipes on the inner walls of the lower ends of the first L-shaped pipe and the second L-shaped pipe respectively, the quick docking of the two fixed pipes with the first L-shaped pipe and the second L-shaped pipe can be realized.

[0013] Preferably, a first sealing ring is fixedly connected to the outer wall of the upper end of the fixed pipe. Second sealing rings are fixedly connected to the outer walls of the lower ends of the first L-shaped pipe and the second L-shaped pipe. The lower end surface of the second sealing ring is in contact with the upper end surface of the first sealing ring. The first sealing ring and the second sealing ring are fixedly connected to each other by bolts. A smooth column is fixedly connected to the upper end of the bolt. After the upper end of the fixed pipe enters the inner wall of the lower end of the first L-shaped pipe, the lower end surface of the second sealing ring is in contact with the upper end surface of the first sealing ring, and then the first sealing ring and the second sealing ring are fixedly connected to each other by bolts, which can improve the stability after the connection between the fixed pipe and the first L-shaped pipe. Similarly, the stability after the connection between the other fixed pipe and the second L-shaped pipe can be improved.

[0014] Preferably, a rubber ring is movably arranged above the smooth column. Uniformly distributed third grooves are formed in the lower end of the rubber ring. The inner wall of the third groove is in contact with the outer wall of the upper end of the smooth column. When the first movable block and the second movable block move downward, the lower end surfaces of the first movable block and the second movable block will touch the upper end of the rubber ring. The rubber ring can support the first movable block and the second movable block, and at the same time can protect the second sealing ring.

[0015] The beneficial effects of the present utility model:

[0016] 1. By rotating both the first movable block and the second movable block towards the position where the lifting block is located, and then rotating the rotating arm, the first screw hole and the second screw hole are made to correspond one by one. The screw is threadedly installed on the inner walls of the first screw hole and the second screw hole. At this time, the outer wall of the second L-shaped pipe is in contact with the inner wall of the first sponge cylinder, and the outer wall of the first L-shaped pipe is in contact with the inner wall of the second sponge cylinder. The servo motor is started to make the lead screw rotate, and the nut sleeve moves up and down along the outer wall of the lead screw, driving the lifting block to move up and down, which can wipe the outer walls of the first L-shaped pipe and the second L-shaped pipe. When it is necessary to replace the first sponge cylinder and the second sponge cylinder, only need to take out the first L-shaped pipe and the second L-shaped pipe upward, and then rotate the first movable block and the second movable block, then it is convenient to replace the first sponge cylinder and the second sponge cylinder, solving the problems in the prior art that the air supply and water supply device in the coal mine underground usually has difficulty in quickly cleaning the outer wall of the air supply and water supply pipeline, is inconvenient to quickly disassemble, install and replace the cleaning mechanism, and is inconvenient to maintain the cleaning mechanism.

[0017] 2. The axial flow fan can inject the external wind into the first L-shaped pipe through the air collector and then send it to the coal mine underground. Connect the tap water pipe to the connecting pipe. Opening the solenoid valve can convey water into the second L-shaped pipe. The first connecting block and the first reinforcing cylinder can ensure the stable placement of the fixed pipe. Placing the two fixed pipes on the lower inner walls of the first L-shaped pipe and the second L-shaped pipe respectively can achieve the quick docking of the two fixed pipes with the first L-shaped pipe and the second L-shaped pipe respectively.

[0018] 3. After the upper end of the fixed pipe enters the lower inner wall of the first L-shaped pipe, the lower end face of the second sealing ring fits with the upper end face of the first sealing ring, and then the first sealing ring and the second sealing ring are fixedly connected to each other by bolts, which can improve the stability after the connection of the fixed pipe and the first L-shaped pipe. Similarly, the stability after the connection of the other fixed pipe and the second L-shaped pipe can be improved. When the first movable block and the second movable block move downward, the lower end faces of the first movable block and the second movable block will touch the upper end of the rubber ring. The rubber ring can support the first movable block and the second movable block and at the same time protect the second sealing ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 Shown is a three-dimensional structural schematic diagram of an air supply and water supply device for coal mine underground of the present utility model;

[0020] Figure 2 Shown is a three-dimensional structural schematic diagram of the first L-shaped pipe of an air supply and water supply device for coal mine underground of the present utility model;

[0021] Figure 3 Shown is a three-dimensional structural schematic diagram of the adjusting arm of an air supply and water supply device for coal mine underground of the present utility model;

[0022] Figure 4 Shown is a three-dimensional structural schematic diagram of the three-dimensional split of the second movable block and the screw of an air supply and water supply device for coal mine underground of the present utility model;

[0023] Figure 5 Shown is a three-dimensional split structural schematic diagram of the second sealing ring and the rubber ring of an air supply and water supply device for coal mine underground of the present utility model.

[0024] The labels in the attached drawings are: 1, bearing block; 2, support frame; 3, servo motor; 4, lead screw; 5, lifting block; 501, adjusting arm; 502, first movable block; 503, first sponge cylinder; 504, second movable block; 505, second sponge cylinder; 506, first groove; 507, rotating arm; 508, first screw hole; 509, second groove; 510, second screw hole; 511, screw; 6, nut; 7, bearing; 8, first connecting block; 9, first reinforcing cylinder; 10, fixed pipe; 11, second connecting block; 12, third connecting block; 13, second reinforcing cylinder; 14, first L-shaped pipe; 15, second L-shaped pipe; 16, gas collecting cylinder; 17, axial flow fan; 18, connecting pipe; 19, solenoid valve; 20, first sealing ring; 21, smooth column; 22, second sealing ring; 23, rubber ring; 24, third groove. Detailed implementation mode

[0025] The present utility model will be further described below in conjunction with the attached drawings and embodiments.

[0026] Please refer to Figures 1-5 , the present utility model provides an embodiment: an air and water supply device for coal mines underground, including a bearing block 1; the upper end of the bearing block 1 is fixedly connected with a support frame 2, the upper end of the support frame 2 is fixedly connected with a servo motor 3, the lower end of the output shaft of the servo motor 3 penetrates through the upper end of the support frame 2 and is fixedly connected with a lead screw 4, the outer wall of the lead screw 4 is movably installed with a nut 6, the outer wall of the nut 6 is fixedly connected with a lifting block 5, a cleaning mechanism is arranged on the lifting block 5, both the front and rear sides of the support frame 2 are fixedly connected with second connecting blocks 11, the end of the second connecting block 11 far away from the support frame 2 is fixedly connected with a third connecting block 12, the left end of the third connecting block 12 is fixedly connected with a second reinforcing cylinder 13, the inner wall of one of the second reinforcing cylinders 13 is slidably provided with a first L-shaped pipe 14, and the inner wall of the other second reinforcing cylinder 13 is slidably provided with a second L-shaped pipe 15;

[0027] The cleaning mechanism includes an adjusting arm 501, a first movable block 502, a first sponge cylinder 503, a second movable block 504, a second sponge cylinder 505, and a rotating arm 507; the lifting block 5 is of a triangular structure, and adjusting arms 501 are hinged to both side walls of the lifting block 5. The other end of one of the adjusting arms 501 is hinged to a first movable block 502, the inner wall of the first movable block 502 is fixedly connected to a first sponge cylinder 503, the other end of the other adjusting arm 501 is hinged to a second movable block 504, the inner wall of the second movable block 504 is fixedly connected to a second sponge cylinder 505, a first groove 506 is opened at the left end of the first movable block 502, a rotating arm 507 is rotatably installed on the inner wall of the first groove 506, a first threaded hole 508 is opened downward through the upper end of the rotating arm 507, a second groove 509 is opened at the left end of the second movable block 504, a second threaded hole 510 is opened downward through the upper end of the second movable block 504, the upper and lower end faces of the inner wall of the first groove 506 are flush with the upper and lower end faces of the inner wall of the second groove 509, a screw rod 511 is commonly threadedly installed in the inner walls of the first threaded hole 508 and the second threaded hole 510, the outer wall of the second L-shaped pipe 15 is attached to the inner wall of the first sponge cylinder 503, and the outer wall of the first L-shaped pipe 14 is attached to the inner wall of the second sponge cylinder 505.

[0028] Please refer to Figure 1 , in this embodiment, the support frame 2 is U-shaped, and a bearing 7 is fixedly connected to the bottom surface of the inner wall of the support frame 2. The outer wall of the lower end of the lead screw 4 is attached to the inner wall of the bearing 7.

[0029] Please refer to Figure 2 , in this embodiment, one end of the first L-shaped pipe 14 is fixedly connected to a gas collector 16, the other end of the gas collector 16 is fixedly connected to an axial flow fan 17, one end of the second L-shaped pipe 15 is fixedly connected to a connecting pipe 18, and a solenoid valve 19 is provided on the connecting pipe 18.

[0030] Please refer to Figure 2 , in this embodiment, two first connection blocks 8 are fixedly connected to the left side of the bearing block 1. The left end of the first connection block 8 is fixedly connected to a first reinforcing cylinder 9, and a fixed pipe 10 is fixedly connected to the inner wall of the first reinforcing cylinder 9. The fixed pipe 10 is L-shaped, the inner wall of the upper end of one of the fixed pipes 10 is attached to the inner wall of the lower end of the first L-shaped pipe 14, and the inner wall of the upper end of the other fixed pipe 10 is attached to the inner wall of the lower end of the second L-shaped pipe 15.

[0031] Please refer to Figure 5, in this embodiment, a first sealing ring 20 is fixedly connected to the outer wall of the upper end of the fixed pipe 10, and second sealing rings 22 are fixedly connected to the outer walls of the lower ends of the first L-shaped pipe 14 and the second L-shaped pipe 15. The lower end surface of the second sealing ring 22 is attached to the upper end surface of the first sealing ring 20. The first sealing ring 20 and the second sealing ring 22 are fixedly connected to each other by bolts. The upper end of the bolt is fixedly connected to a smooth column 21. A rubber ring 23 is movably arranged above the smooth column 21. Uniformly distributed third grooves 24 are formed in the lower end of the rubber ring 23. The inner wall of the third groove 24 is attached to the outer wall of the upper end of the smooth column 21.

[0032] When working, first, both the first movable block 502 and the second movable block 504 are rotated towards the position where the lifting block 5 is located. Then, manually rotate the rotating arm 507 to make the first screw hole 508 and the second screw hole 510 correspond to each other one by one, and threadedly install the screw rod 511 on the inner walls of the first screw hole 508 and the second screw hole 510.

[0033] Then, the first L-shaped pipe 14 and the second L-shaped pipe 15 are respectively passed through the second reinforcing cylinder 13 from top to bottom. At this time, the outer wall of the second L-shaped pipe 15 is attached to the inner wall of the first sponge cylinder 503, and the outer wall of the first L-shaped pipe 14 is attached to the inner wall of the second sponge cylinder 505, so that the two rubber rings 23 are respectively sleeved on the outer walls of the first L-shaped pipe 14 and the second L-shaped pipe 15.

[0034] Then, the outer walls of the upper ends of the two fixed pipes 10 are respectively placed in the inner walls of the lower ends of the first L-shaped pipe 14 and the second L-shaped pipe 15, so that the lower end surface of the second sealing ring 22 is attached to the upper end surface of the first sealing ring 20. Then, use bolts to fixedly connect the first sealing ring 20 and the second sealing ring 22 to each other, which can improve the stability after the connection between the fixed pipe 10 and the first L-shaped pipe 14. Similarly, the stability after the connection between the other fixed pipe 10 and the second L-shaped pipe 15 can be improved.

[0035] Turn on the axial flow fan 17, and the external wind force can be injected into the first L-shaped pipe 14 through the gas collecting body 16 and then sent to the coal mine underground. Connect the tap water pipe to the connecting pipe 18, and turn on the solenoid valve 19 to convey water into the second L-shaped pipe 15.

[0036] Turn on the servo motor 3 to make the lead screw 4 rotate. The nut sleeve 6 moves up and down along the outer wall of the lead screw 4, driving the lifting block 5 to move up and down. The outer walls of the first L-shaped pipe 14 and the second L-shaped pipe 15 can be wiped by the first sponge cylinder 503 and the second sponge cylinder 505.

[0037] When the first movable block 502 and the second movable block 504 move downward, the lower end surfaces of the first movable block 502 and the second movable block 504 will touch the upper end of the rubber ring 23. The rubber ring 23 can support the first movable block 502 and the second movable block 504, and at the same time can protect the second sealing ring 22.

[0038] When it is necessary to replace the first sponge cylinder 503 and the second sponge cylinder 505, first disassemble the first sealing ring 20 and the second sealing ring 22, then take out the first L-shaped pipe 14 and the second L-shaped pipe 15 upwards, and then rotate the first movable block 502 and the second movable block 504, so as to facilitate the replacement of the first sponge cylinder 503 and the second sponge cylinder 505.

[0039] The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. An underground air and water supply device for a coal mine, comprising a bearing block (1); characterized in that: The upper end of the bearing block (1) is fixedly connected to a support frame (2), the upper end of the support frame (2) is fixedly connected to a servo motor (3), the lower end of the output shaft of the servo motor (3) passes through the upper end of the support frame (2) and is fixedly connected to a screw rod (4), the outer wall of the screw rod (4) is movably mounted with a thread sleeve (6), the outer wall of the thread sleeve (6) is fixedly connected to a lifting block (5), a cleaning mechanism is provided on the lifting block (5), the front and rear sides of the support frame (2) are fixedly connected to second connecting blocks (11), one end of the second connecting block (11) away from the support frame (2) is fixedly connected to a third connecting block (12), the left end of the third connecting block (12) is fixedly connected to a second reinforcement tube (13), the inner wall of one of the second reinforcement tubes (13) is slidably provided with a first L-shaped tube (14), and the inner wall of the other second reinforcement tube (13) is slidably provided with a second L-shaped tube (15); The cleaning mechanism comprises an adjusting arm (501), a first movable block (502), a first sponge tube (503), a second movable block (504), a second sponge tube (505) and a rotating arm (507); the lifting block (5) is a triangular structure, the two side walls of the lifting block (5) are hingedly connected to the adjusting arm (501), the other end of one adjusting arm (501) is hingedly connected to the first movable block (502), the inner wall of the first movable block (502) is fixedly connected to the first sponge tube (503), the other end of the other adjusting arm (501) is hingedly connected to the second movable block (504), the inner wall of the second movable block (504) is fixedly connected to the second sponge tube (505), the left end of the first movable block (502) is provided with a first groove (506) ), a rotating arm (507) is rotatably mounted on the inner wall of the first groove (506), a first screw hole (508) is penetrated downwardly through the upper end of the rotating arm (507), a second groove (509) is formed at the left end of the second movable block (504), a second screw hole (510) is penetrated downwardly through the upper end of the second movable block (504), the upper and lower end surfaces of the inner wall of the first groove (506) are flush with the upper and lower end surfaces of the inner wall of the second groove (509), a screw rod (511) is threadedly mounted on the inner walls of the first screw hole (508) and the second screw hole (510), the outer wall of the second L-shaped tube (15) is in contact with the inner wall of the first sponge tube (503), and the outer wall of the first L-shaped tube (14) is in contact with the inner wall of the second sponge tube (505).

2. The air and water supply device for underground coal mine according to claim 1, characterized in that: The support frame (2) is U-shaped, the bottom surface of the inner wall of the support frame (2) is fixedly connected with a bearing (7), and the outer wall of the lower end of the screw rod (4) is in contact with the inner wall of the bearing (7).

3. The air and water supply device for underground coal mine according to claim 1, characterized in that: One end of the first L-shaped tube (14) is fixedly connected to a gas collector (16), and the other end of the gas collector (16) is fixedly connected to an axial flow fan (17).

4. The air and water supply device for underground coal mine according to claim 1, characterized in that: One end of the second L-shaped tube (15) is fixedly connected to a connecting tube (18), and a solenoid valve (19) is arranged on the connecting tube (18).

5. The air and water supply device for underground coal mine according to claim 1, characterized in that: Two first connection blocks (8) are fixedly connected to the left side of the bearing block (1), a first reinforcement tube (9) is fixedly connected to the left end of the first connection block (8), a fixed tube (10) is fixedly connected to the inner wall of the first reinforcement tube (9), and the fixed tube (10) is L-shaped, wherein the upper inner wall of one of the fixed tubes (10) is in contact with the lower inner wall of the first L-shaped tube (14), and the upper inner wall of the other fixed tube (10) is in contact with the lower inner wall of the second L-shaped tube (15).

6. The air and water supply device for underground coal mine according to claim 5, characterized in that: A first sealing ring (20) is fixedly connected to the outer wall of the upper end of the fixed tube (10), and a second sealing ring (22) is fixedly connected to the outer walls of the lower ends of the first L-shaped tube (14) and the second L-shaped tube (15). The lower end surface of the second sealing ring (22) is in contact with the upper end surface of the first sealing ring (20). The first sealing ring (20) and the second sealing ring (22) are fixedly connected to each other by bolts, and a smooth column (21) is fixedly connected to the upper end of the bolts.

7. The air and water supply device for underground coal mine according to claim 6, characterized in that: A rubber ring (23) is movably arranged above the smooth column (21), and a third groove (24) distributed evenly is opened at the lower end of the rubber ring (23), and the inner wall of the third groove (24) is in contact with the outer wall of the upper end of the smooth column (21).

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