Monitoring and early warning device

Abstract

The utility model discloses a monitoring early warning device, including first base, winding motor, unwinding motor, dust meter body and alarm, the top of first base is fixed with the side frame, and the inside lower part of side frame is rotatingly connected with the lower transmission roller, the top of side frame is provided with the movable frame, and the movable frame is rotatingly connected with the upper transmission roller, and the upper transmission roller is rotatingly connected with the lower transmission roller. A clamping block is fixed to the side face of the movable frame, a winding motor is fixed to the upper portion of the first base, a steel wire rope is fixed to the surface of a winding wheel, the side face of the first base is connected with a second base through a connecting rod and a movable sleeve, and side frames are fixed to the upper portion of the first base and the upper portion of the second base correspondingly. According to the monitoring and early warning device, winding and unwinding of the steel wire rope can be driven through the winding wheel on the winding motor and the unwinding wheel on the unwinding motor, so that the dust meter body above the fixed table is driven by the steel wire rope to move left and right to monitor the dust content.

Description

Technical Field

[0001] The utility model relates to the technical field related to coal mining, in particular to a monitoring and early warning device. Background Art

[0002] During coal mining, the air inside the mine is not circulating, and a large amount of coal dust is diffused in the air. When the coal dust in the air reaches a certain density, it may ignite, explode, or the air quality may not meet the standard, causing respiratory problems for workers. Therefore, it is necessary to use dust detectors to monitor and warn the inside of the mine.

[0003] The existing publication number CN218326926U discloses a monitoring and early warning device, comprising a mounting plate, wherein screws are inserted through threads at the four corners of the surface of the mounting plate, and slide grooves are symmetrically provided on the surface of the mounting plate. The mounting plate is symmetrically slidably connected to slide rods through the slide grooves provided on the surface, and the sides of the slide rods close to each other are fixedly connected to connecting plates, and the sides of the connecting plates close to each other are connected to the laser dust meter through a rotating shaft; the above-mentioned document can detect air dust at different heights and angles. The dust meter can greatly improve the detectable range of air dust during operation by adjusting the height and angle. At the same time, the detection end on the dust meter can be cleaned to ensure the accuracy of the detection results. In addition, the device can also be disassembled to achieve the purpose of being portable or carried.

[0004] However, the above device is fixed on one side of the inside of the mine through a mounting plate, and the lifting and dust detection positions at different angles are also fixed, and the dust is scattered inside the mine. The above dust detection is not accurate enough. At the same time, the dust will fall onto the display screen on the surface of the dust meter, which is easy to affect the observation of the staff. Therefore, we propose a monitoring and early warning device to solve the above problems. Utility Model Content

[0005] The purpose of the present invention is to provide a monitoring and early warning device to solve the problems raised by the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a monitoring and early warning device, comprising a first base, a winding motor, an unwinding motor, a dust monitor body and an alarm, a side frame is fixed on the top of the first base, and the lower inner part of the side frame is rotatably connected to the lower transmission roller, a movable frame is provided above the side frame, and the upper part of the movable frame is rotatably connected to the upper transmission roller, a clamping block is fixed on the side of the movable frame, a winding motor is fixed above the first base, and a winding wheel is fixed on the output end of the winding motor, a steel wire rope is fixed on the surface of the winding wheel, the side surface of the first base is connected to the second base through a connecting rod and a movable sleeve, side frames are fixed above the first base and the second base, the unwinding motor is fixed above the second base, and the unwinding motor is fixed on the output end of the unwinding motor The air filter is installed on the upper and lower sides of the air filter, and the air filter is installed on the upper and lower sides of the air filter, and the exhaust pipe is installed on the upper and lower sides of the air filter.

[0007] Preferably, the movable frame is connected to the side frame in a snap-fitting sliding manner via a slot formed on the surface of the side frame through a clamping block, and the clamping block is connected to the one-way screw rod in a threaded manner.

[0008] Preferably, the steel wire rope on the surface of the winding wheel is connected to the unwinding wheel through the lower transmission roller and the upper transmission roller inside the side frame, and two groups of steel wire ropes are provided.

[0009] Preferably, the connecting rod and the movable sleeve form a telescopic connection, and fastening bolts are installed on the side surfaces of both ends of the movable sleeve.

[0010] Preferably, the upper portion of the blowing pipe is arranged in an inclined shape, and the blowing pipe is evenly distributed on the upper surface of the air guide plate, and the inclined direction of the blowing pipe faces the display screen on the surface of the dust monitor body.

[0011] Preferably, the end of the extrusion block is set in a "convex" shape, and there are two groups of extrusion blocks. The two groups of extrusion blocks form a sliding connection with the slide groove on the surface of the fixed table, and the connection method between the two groups of extrusion blocks and the bidirectional screw is threaded connection.

[0012] Compared with the prior art, the beneficial effects of the present invention are: the monitoring and early warning device,

[0013] The wire rope can be wound and unwound by the winding wheel on the winding motor and the unwinding wheel on the unwinding motor, so that the dust monitor body above the fixed platform can be moved left and right by the wire rope to monitor the dust content. At the same time, the servo motor at the end of the side frame drives the side block of the movable frame to perform threaded movement through the one-way screw rod to adjust the use height of the device so that the device can be used for monitoring up and down, left and right inside the mine.

[0014] The air pump on the bottom plate below the fixed platform can be used to facilitate the use of the air blowing pipe above the air guide plate, so that the air blowing pipe can blow air onto the display screen of the dust meter body, so that an air curtain is formed on the display screen on the surface of the dust meter body to prevent dust from falling and affecting data observation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0016] Figure 2 This is a rear view structural diagram of the utility model;

[0017] Figure 3 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the air guide plate and the blowing pipe of the utility model;

[0019] Figure 5 This is a schematic diagram of the bidirectional screw extrusion block connection structure of the utility model.

[0020] In the figure: 1. First base; 2. Side frame; 3. Lower transmission roller; 4. Movable frame; 5. Upper transmission roller; 6. Rewinding motor; 7. Rewinding wheel; 8. Wire rope; 9. Second base; 10. Unwinding motor; 11. Unwinding wheel; 12. Connecting rod; 13. Movable sleeve; 14. Fixed platform; 15. Dust monitor body; 16. Alarm; 17. Bottom plate; 18. Air pump; 19. Air outlet; 20. Air inlet; 21. Air guide plate; 22. Air blow pipe; 23. Slide; 24. Bidirectional screw; 25. Extrusion block; 26. Side plate; 27. Servo motor; 28. Unidirectional screw; 29. ​​Slot; 30. Block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-5 The utility model provides a technical solution: a monitoring and early warning device, comprising a first base 1, a winding motor 6, an unwinding motor 10, a dust monitor body 15 and an alarm 16. A side frame 2 is fixed on the top of the first base 1, and the lower inner bottom of the side frame 2 is rotatably connected to the lower transmission roller 3. A movable frame 4 is provided above the side frame 2, and the movable frame 4 is rotatably connected to the upper transmission roller 5. A clamping block 30 is fixed on the side of the movable frame 4. The movable frame 4 is connected to the side frame 2 through the slot 29 on the surface of the side frame 2 through the clamping block 30 to form a snap-fit ​​sliding connection. The connection mode of the clamping block 30 and the one-way screw rod 28 is a threaded connection, which can drive the clamping block 30 to move threadedly through the one-way screw rod 28, so that the clamping block 30 drives the movable frame 4 to slide on the slot 29 on the surface of the side frame 2, which is convenient for adjusting the dust monitor on the device. The monitoring height of the main body 15 is determined. A winding motor 6 is fixed above the first base 1, and a winding wheel 7 is fixed to the output end of the winding motor 6. A wire rope 8 is fixed to the surface of the winding wheel 7. The wire rope 8 on the surface of the winding wheel 7 is connected to the unwinding wheel 11 through the lower transmission roller 3 and the upper transmission roller 5 inside the side frame 2, and two groups of wire ropes 8 are provided. The winding of the winding wheel 7 and the unwinding of the unwinding wheel 11 can drive the fixed platform 14 to move left and right inside the mine. The side surface of the first base 1 is connected to the second base 9 through a connecting rod 12 and a movable sleeve 13. The connecting rod 12 and the movable sleeve 13 form a telescopic connection, and fastening bolts are installed on the side surfaces of the movable sleeve 13 at both ends, which can facilitate the telescopic movement of the connecting rod 12 on the movable sleeve 13 for use in mines of different widths.

[0023] See also Figure 1-5The first base 1 and the second base 9 are both fixed with a side frame 2, the second base 9 is fixed with an unwinding motor 10, and the output end of the unwinding motor 10 is fixed with an unwinding wheel 11, the surface of the wire rope 8 is fixed with a fixing platform 14, the dust monitor body 15 is arranged above the fixing platform 14, and an alarm 16 is installed on the upper rear side of the fixing platform 14, the bottom of the fixing platform 14 is installed with a bottom plate 17, and an air pump 18 is installed above the bottom plate 17, and the air pump 1 One end of the blow pump 18 is connected to an air outlet 19, and the other end of the blow pump 18 is connected to an air inlet 20. The end of the air outlet 19 is connected to the air guide plate 21, and the air guide plate 21 passes through the surface of the fixed platform 14. The upper end of the air guide plate 21 is connected to a blow pipe 22. The upper part of the blow pipe 22 is inclined, and the blow pipes 22 are evenly distributed on the upper surface of the air guide plate 21. The inclined direction of the blow pipe 22 faces the display screen on the surface of the dust meter body 15, which is convenient for passing The air pump 18 is used so that the blowing pipe 22 can blow air to the display screen on the surface of the dust meter body 15 to prevent dust from adhering. A slide groove 23 is provided on the upper rear side of the fixed platform 14, and the rear side of the fixed platform 14 is rotatably connected with a bidirectional screw rod 24. The surface of the bidirectional screw rod 24 is connected with an extrusion block 25. A side plate 26 is fixed on the upper side of the side frame 2, and a servo motor 27 is fixed above the side plate 26. A one-way screw rod 28 is fixed to the output end of the servo motor 27. A slot 29 is provided on the side of the side frame 2. The end of the extrusion block 25 is "convex" shaped, and the extrusion block 25 is provided with two groups. The two groups of extrusion blocks 25 are slidably connected to the slide groove 23 on the surface of the fixed platform 14. The connection method of the two groups of extrusion blocks 25 and the bidirectional screw rod 24 is threaded connection, which can drive the extrusion block 25 to move threadably through the bidirectional screw rod 24, so that the two groups of extrusion blocks 25 can fix the dust meter body 15 for the installation of the dust meter body 15.

[0024] Working principle: First, when in use, the winding motor 6 on the first base 1 can be turned on to make the winding motor 6 reel in the wire rope 8 through the winding wheel 7. At this time, the unwinding motor 10 will unwind the wire rope 8 through the unwinding wheel 11, so that the wire rope 8 drives the fixed platform 14 to move. When the fixed platform 14 moves to the upper end position of the side frame 2, the winding motor 6 is reversed. At this time, the unwinding motor 10 reels the wire rope 8, so that the wire rope 8 drives the fixed platform 14 to move in the opposite direction, so that the dust monitor body 15 above the fixed platform 14 can move left and right for monitoring. During monitoring, the servo motor 27 above the side frame 2 can be turned on to make the servo motor 27 drive the block 30 to move in a threaded manner through the one-way screw rod 28, so that the block 30 drives the movable frame 4 to slide inside the side frame 2, making it convenient for the movable frame 4 to be lifted and lowered inside the side frame 2, so that the height of the device can be adjusted.

[0025] When in use, the air pump 18 above the bottom plate 17 can be turned on to blow air onto the display screen on the surface of the dust monitor body 15 through the air outlet 19, the air guide plate 21 and the air blowing pipe 22 to prevent ash from falling onto the display screen and affecting the viewing of data.

[0026] A bidirectional screw rod 24 is provided above the fixed platform 14. By rotating the bidirectional screw rod 24, the bidirectional screw rod 24 can drive the two groups of extrusion blocks 25 to move in a threaded manner, so that the two groups of extrusion blocks 25 can slide above the fixed platform 14, making it convenient for the two groups of extrusion blocks 25 to extrude and fix the dust meter body 15, thereby facilitating the installation of the dust meter body 15. This is the operating principle of the monitoring and early warning device.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A monitoring and early warning device, comprising a first base (1), a winding motor (6), an unwinding motor (10), a dust monitor body (15) and an alarm (16), characterized in that: A side frame (2) is fixed above the first base (1), and a lower transmission roller (3) is rotatably connected to the inner bottom of the side frame (2). A movable frame (4) is provided above the side frame (2), and an upper transmission roller (5) is rotatably connected to the movable frame (4). A clamping block (30) is fixed to the side of the movable frame (4). A winding motor (6) is fixed above the first base (1), and a winding wheel (7) is fixed to the output end of the winding motor (6). A steel wire rope is fixed to the surface of the winding wheel (7). (8), the side of the first base (1) is connected to the second base (9) through a connecting rod (12) and a movable sleeve (13), a side frame (2) is fixed on the top of the first base (1) and the second base (9), a reeling motor (10) is fixed on the top of the second base (9), and a reeling wheel (11) is fixed on the output end of the reeling motor (10), a fixed platform (14) is fixed on the surface of the wire rope (8), a dust meter body (15) is arranged above the fixed platform (14), and a fixed An alarm (16) is installed on the upper rear side of the fixed platform (14), a bottom plate (17) is installed on the bottom of the fixed platform (14), and an air pump (18) is installed above the bottom plate (17), one end of the air pump (18) is connected to an air outlet (19), and the other end of the air pump (18) is connected to an air inlet (20), and the end of the air outlet (19) is connected to an air guide plate (21), and the air guide plate (21) passes through the surface of the fixed platform (14), and the upper end of the air guide plate (21) is connected to the air inlet (20). A blow pipe (22) is provided, a slide groove (23) is provided on the upper rear side of the fixed platform (14), and a bidirectional screw rod (24) is rotatably connected to the rear side of the fixed platform (14), and an extrusion block (25) is connected to the surface of the bidirectional screw rod (24), a side plate (26) is fixed on the upper side of the side frame (2), and a servo motor (27) is fixed on the upper side of the side plate (26), a one-way screw rod (28) is fixed to the output end of the servo motor (27), and a slot (29) is provided on the side of the side frame (2).

2. A monitoring and early warning device according to claim 1, characterized in that: The movable frame (4) is connected to the side frame (2) in a snap-fitting sliding manner via a slot (29) on the surface of the side frame (2) through a clamping block (30), and the clamping block (30) is connected to the one-way screw rod (28) in a threaded manner.

3. The monitoring and early warning device according to claim 1, characterized in that: The steel wire rope (8) on the surface of the winding wheel (7) passes through the lower transmission roller (3) and the upper transmission roller (5) inside the side frame (2) and is connected to the unwinding wheel (11), and two groups of steel wire ropes (8) are provided.

4. The monitoring and early warning device according to claim 1, characterized in that: The connecting rod (12) and the movable sleeve (13) form a telescopic connection, and fastening bolts are installed on both end sides of the movable sleeve (13).

5. The monitoring and early warning device according to claim 1, characterized in that: The upper portion of the blowing pipe (22) is arranged in an inclined shape, and the blowing pipe (22) is evenly distributed on the upper surface of the air guide plate (21), and the inclined direction of the blowing pipe (22) faces the display screen on the surface of the dust monitor body (15).

6. The monitoring and early warning device according to claim 1, characterized in that: The end of the extrusion block (25) is arranged in a "convex" shape, and two groups of extrusion blocks (25) are provided. The two groups of extrusion blocks (25) are slidably connected to the slide groove (23) on the surface of the fixed platform (14). The connection method of the two groups of extrusion blocks (25) and the bidirectional screw rod (24) is threaded connection.

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