Visual coal flow monitoring device for underground belt conveyor

Abstract

The utility model relates to the technical field of monitoring devices, in particular to a visual coal flow monitoring device of an underground belt conveyor. According to the technical scheme, the device comprises a chassis, a main body column, a high-definition camera and a connector, a hydraulic vibration reduction structure is arranged between the bottom end of the connector and the upper surface of the chassis, and an air bag vibration reduction structure is arranged between the outer ring face of the connector and the upper surface of the chassis; the hydraulic vibration reduction structure and the air bag vibration reduction structure are used for absorbing the vibration action of the chassis to the connector, a main body column is arranged at the top end of the connector in a threaded mode, the high-definition camera is arranged at the top end of the main body column through a reversing structure, and the reversing structure is used for changing the shooting direction of the high-definition camera. According to the utility model, interference from underground ground vibration can be effectively eliminated, and an omnibearing damping effect can be provided, so that stable operation of the high-definition camera in a complex environment is ensured, image blurring or deviation caused by vibration is prevented, and the accuracy and stability of monitoring data are improved.

Description

Technical Field

[0001] This utility model relates to the field of monitoring device technology, and in particular to a visual coal flow monitoring device for underground belt conveyors. Background Technology

[0002] Underground belt conveyors play a vital role in coal mining operations, serving as one of the essential pieces of equipment for coal transportation during the coal production process. Due to the unique characteristics of the underground environment (such as humidity, high temperature, and high dust levels), traditional coal flow monitoring methods, which rely heavily on flow sensors or volume measurement methods, are easily affected by external environmental interference, leading to inaccurate measurements or even malfunctions.

[0003] With the development of intelligent monitoring technology, high-definition cameras combined with image processing technology have become an important tool for dynamic monitoring of coal flow. By acquiring images of coal flow using high-definition cameras and combining them with image analysis algorithms, key information such as the morphology and flow rate of the coal flow can be monitored in real time, thereby improving production safety and efficiency. However, the complexity of the underground environment (e.g., ground vibration) may interfere with the image acquisition quality of the camera, affecting image stability and leading to inaccurate monitoring data. Therefore, to improve the stability and accuracy of image monitoring, a specialized vibration damping structure needs to be designed to effectively resist the impact of underground ground vibration on the high-definition camera.

[0004] To address this issue, we propose a visual coal flow monitoring device for underground belt conveyors. Utility Model Content

[0005] The purpose of this invention is to address the problems existing in the background technology by proposing a visual coal flow monitoring device for underground belt conveyors.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a visual coal flow monitoring device for an underground belt conveyor, comprising a chassis, a main column, a high-definition camera, and a connector. A hydraulic vibration damping structure is disposed between the bottom end of the connector and the upper surface of the chassis, and an airbag vibration damping structure is disposed between the outer ring surface of the connector and the upper surface of the chassis. The hydraulic vibration damping structure and the airbag vibration damping structure are used to absorb the vibration action of the chassis on the connector. The top end of the connector is threaded with a main column, and the high-definition camera is disposed at the top end of the main column through a reversing structure. The reversing structure is used to change the imaging direction of the high-definition camera.

[0007] Preferably, the hydraulic damping structure comprises a secondary cavity, a piston, a housing, a lower spring, a piston rod, a connecting hole, and a main cavity. The bottom end of the housing is located on the upper surface of the chassis. The secondary cavity, the connecting hole, and the main cavity are respectively opened in the housing. The secondary cavity and the main cavity are interconnected through the connecting hole. The main cavity is filled with oil.

[0008] Preferably, the piston is slidably disposed within the main cavity, the bottom end of the piston rod is disposed at the top end of the piston, the top end of the piston rod is disposed at the bottom end of the connector, the lower spring is sleeved on the piston rod, the lower spring is located between the connector and the housing, and the length of the lower spring is greater than the height of the piston rod.

[0009] Preferably, the airbag vibration damping structure consists of a ring seat, a base plate, an airbag, an upper spring, and a pressure plate. The base plate is disposed on the chassis, the ring seat is disposed between the base plates, the airbag is disposed inside the ring seat, and the outer ring surface of the connector is provided with mounting grooves at equal intervals. One end of the upper spring is disposed in the mounting groove, the pressure plate is disposed at the other end of the upper spring, and the pressure plate abuts against the inner ring surface of the airbag.

[0010] Preferably, the reversing structure comprises a deflection seat, a deflection head, a gear, a lower motor, a gear ring, and an upper motor. The deflection seat is rotatably mounted on the top of the main column. The gear ring is mounted on the outer wall of the shaft end of the deflection seat. The lower motor is mounted on the outer wall of the main column. The gear is mounted on the output end of the lower motor and meshes with the gear ring. One end of the deflection head is mounted on the outer wall of the high-definition camera, and the other end of the deflection head is rotatably mounted inside the deflection seat. The upper motor is mounted on the outer wall of the deflection seat, and the output end of the upper motor is connected to the shaft end of the deflection head.

[0011] Preferably, the top end of the connector is provided with a screw seat, and the bottom end of the main column is threaded into the screw seat.

[0012] Preferably, the airbag is provided with an inflation head, the ring seat is provided with a perforation, the inflation head passes through the perforation, and the ring seat adopts an open inner ring surface design, so that the airbag inflates in a defined direction.

[0013] Preferably, the chassis has four mounting holes, which are arranged in a circular array on the chassis.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] During use, the visual coal flow monitoring device for underground belt conveyors can be installed at a designated location on the underground belt conveyor accessory using the mounting holes on the chassis and ground anchors. It is connected to the mine's power supply and uses a high-definition camera to perform real-time continuous image acquisition and monitoring of the coal flow on the underground belt conveyor.

[0016] Through the design of the hydraulic vibration reduction structure, the vibration of the underground surface is transmitted to the chassis. The design of the lower spring plays a role in buffering, vibration reduction and noise reduction. When the lower spring absorbs the vibration, it has a reciprocating motion. When the vibration is transmitted to the piston rod, the piston moves up and down in the main chamber. The oil in the main chamber and the secondary chamber repeatedly interacts through the connecting hole. At this time, the friction between the hole wall and the oil and the internal friction between the oil molecules form a damping force on the vibration, which converts the vibration energy into oil heat energy, and then the shell absorbs and dissipates it into the atmosphere.

[0017] Through the design of the airbag vibration reduction structure, the airbag is connected to the external air pump structure through the air inflator. The airbag inflates and expands to press the pressure plate. The pressure plate retracts and presses the upper spring. The deformed part of the upper spring retracts into the connector. The vibration of the underground surface is transmitted to the chassis. The compressibility of the gas allows the airbag to undergo elastic deformation when subjected to external vibration, thereby dispersing and absorbing vibration energy.

[0018] By combining hydraulic and airbag vibration damping structures, the interference of vibration on the high-definition camera can be effectively reduced, maintaining the stability and accuracy of image acquisition.

[0019] Furthermore, when needed, the lower motor drives the gear to rotate, and through the meshing action between the gear and the gear ring, the high-definition camera is rotated horizontally via the deflector seat. The upper motor drives the deflector head to deflect on the deflector seat, thereby driving the high-definition camera to rotate vertically. Through the cooperation of the above structures, the viewing angle can be adjusted according to the dynamic changes of the coal flow to ensure full coverage monitoring of different coal flow states.

[0020] This invention, through the cooperation of hydraulic vibration damping structure and airbag vibration damping structure, can effectively eliminate interference from ground vibration in the well, and provide a comprehensive vibration damping effect, thereby ensuring the stable operation of the high-definition camera in complex environments, preventing image blurring or offset caused by vibration, and improving the accuracy and stability of monitoring data. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0022] Figure 2 This is a schematic diagram of the main structure of this utility model;

[0023] Figure 3 This is a schematic diagram of the reversing structure of this utility model;

[0024] Figure 4 This is a schematic diagram of the hydraulic vibration reduction structure of this utility model;

[0025] Figure 5 This is a schematic diagram of the airbag vibration reduction structure of this utility model.

[0026] Figure label:

[0027] 1. Chassis; 2. Mounting hole; 3. Inflation head; 4. Ring seat; 5. Base plate; 6. Main column; 7. Deflection seat; 8. Deflection head; 9. High-definition camera; 10. Screw seat; 11. Gear; 12. Lower motor; 13. Gear ring; 14. Upper motor; 15. Secondary cavity; 16. Piston; 17. Housing; 18. Connector; 19. Mounting groove; 20. Lower spring; 21. Plug rod; 22. Connecting hole; 23. Main cavity; 24. Airbag; 25. Upper spring; 26. Pressure plate; 27. Perforation. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Example 1

[0030] like Figures 1-5 As shown, this utility model proposes a visual coal flow monitoring device for underground belt conveyors, including a chassis 1, a main column 6, a high-definition camera 9, and a connector 18. A hydraulic vibration damping structure is located between the bottom end of the connector 18 and the upper surface of the chassis 1, and an airbag vibration damping structure is located between the outer ring surface of the connector 18 and the upper surface of the chassis 1. The hydraulic vibration damping structure and the airbag vibration damping structure are used to absorb the vibration of the chassis 1 on the connector 18. The top end of the connector 18 is threaded with the main column 6, and the high-definition camera 9 is located at the top end of the main column 6 through a reversing structure. The reversing structure is used to change the imaging direction of the high-definition camera 9.

[0031] The hydraulic vibration damping structure consists of a secondary cavity 15, a piston 16, a housing 17, a lower spring 20, a piston rod 21, a connecting hole 22, and a main cavity 23. The bottom end of the housing 17 is located on the upper surface of the chassis 1. The secondary cavity 15, the connecting hole 22, and the main cavity 23 are respectively opened within the housing 17. The secondary cavity 15 and the main cavity 23 are interconnected through the connecting hole 22. The main cavity 23 is filled with oil. The piston 16 is slidably located within the main cavity 23. The bottom end of the piston rod 21 is located at the top end of the piston 16, and the top end of the piston rod 21 is located at the bottom end of the connector 18. The lower spring 20 is sleeved on the piston rod 21. The lower spring 20 is positioned between the connector 18 and the housing. Between the bodies 17, and with the length of the lower spring 20 greater than the height of the plug rod 21, the vibration of the downhole surface is transmitted to the chassis 1. Through the design of the lower spring 20, it plays a role in buffering, vibration reduction, and noise reduction. When the lower spring 20 absorbs vibration, it has a reciprocating motion. When the vibration is transmitted to the plug rod 21, it causes the piston 16 to move up and down in the main chamber 23. The oil in the main chamber 23 and the secondary chamber 15 repeatedly interact through the connecting hole 22. At this time, the friction between the hole wall and the oil and the internal friction between the oil molecules form a damping force on the vibration, which converts the vibration energy into oil heat energy, and then the shell 17 absorbs and dissipates it into the atmosphere.

[0032] Example 2

[0033] like Figures 1-5 As shown, the present invention proposes a visual coal flow monitoring device for underground belt conveyors. Compared with Embodiment 1, this embodiment further includes: an airbag vibration damping structure consisting of a ring seat 4, a base plate 5, an airbag 24, an upper spring 25, and a pressure plate 26. The base plate 5 is disposed on the chassis 1, the ring seat 4 is disposed between the base plates 5, the airbag 24 is disposed inside the ring seat 4, and the outer ring surface of the connector 18 is provided with mounting grooves 19 at equal intervals. One end of the upper spring 25 is disposed in the mounting groove 19, and the pressure plate 26 is disposed at the other end of the upper spring 25. The pressure plate 26 abuts against the inner ring surface of the airbag 24. An external air pump structure is connected through the inflation head 3. The airbag 24 inflates and expands to compress the pressure plate 26. The pressure plate 26 retracts to compress the upper spring 25. The deformed part of the upper spring 25 retracts into the connector 18. The vibration of the underground ground is transmitted to the chassis 1. The compressibility of the gas allows the airbag 24 to undergo elastic deformation when subjected to external vibration, thereby dispersing and absorbing vibration energy.

[0034] Furthermore, a pressure sensor can be installed inside the airbag to monitor pressure changes, allowing personnel to easily adjust the airbag pressure.

[0035] The reversing structure consists of a deflection seat 7, a deflection head 8, a gear 11, a lower motor 12, a gear ring 13, and an upper motor 14. The deflection seat 7 is rotatably mounted on the top of the main column 6. The gear ring 13 is mounted on the outer wall of the shaft end of the deflection seat 7. The lower motor 12 is mounted on the outer wall of the main column 6. The gear 11 is mounted on the output end of the lower motor 12, and the gear 11 meshes with the gear ring 13. One end of the deflection head 8 is mounted on the outer wall of the high-definition camera 9, and the other end of the deflection head 8 is rotatably mounted inside the deflection seat 7. The upper motor 14 is mounted on the outer wall of the deflection seat 7, and the output end of the upper motor 14 is connected to the shaft end of the deflection head 8. When the lower motor 12 operates, it drives the gear 11 to rotate. Through the meshing action between the gear 11 and the gear ring 13, the high-definition camera 9 is driven to rotate horizontally via the deflection seat 7. When the upper motor 14 operates, it drives the deflection head 8 to deflect on the deflection seat 7, thereby driving the high-definition camera 9 to rotate vertically.

[0036] The top of the connector 18 is provided with a screw seat 10, and the bottom thread of the main body column 6 is provided in the screw seat 10, which facilitates the disassembly and assembly of the connector 18 and the main body column 6.

[0037] The airbag 24 is equipped with an inflation head 3, and the ring seat 4 is provided with a perforation 27. The inflation head 3 passes through the perforation 27. The ring seat 4 adopts an open inner ring design, which allows the airbag 24 to inflate in a defined direction.

[0038] The chassis 1 has four mounting holes 2, which are arranged in a circular array on the chassis 1. The device can be installed at a designated location on the underground belt conveyor accessory by using the mounting holes 2 on the chassis 1 in conjunction with the ground anchor.

[0039] It should be noted that the motor structure is a mature existing technology, and its working principle and internal structure are known to those skilled in the art. This utility model only utilizes its function and does not improve its internal structure. Therefore, it will not be described in detail here. Those skilled in the art can make any selections according to their needs or convenience.

[0040] The above specific embodiments are merely several preferred embodiments of this utility model. Based on the technical solution of this utility model and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

[0041] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A visual coal flow monitoring device for an underground belt conveyor, comprising a chassis (1), a main column (6), a high-definition camera (9), and a connector (18), characterized in that: The hydraulic vibration damping structure is located between the bottom end of the connector (18) and the upper surface of the chassis (1), and the airbag vibration damping structure is located between the outer ring surface of the connector (18) and the upper surface of the chassis (1). The hydraulic vibration damping structure and the airbag vibration damping structure are used to absorb the vibration of the chassis (1) on the connector (18). The top end of the connector (18) is threaded with a main column (6). The high-definition camera (9) is located at the top end of the main column (6) through a reversing structure. The reversing structure is used to change the shooting direction of the high-definition camera (9).

2. The visual coal flow monitoring device for underground belt conveyors according to claim 1, characterized in that: The hydraulic vibration damping structure consists of a secondary cavity (15), a piston (16), a housing (17), a lower spring (20), a piston rod (21), a connecting hole (22), and a main cavity (23). The bottom end of the housing (17) is located on the upper surface of the chassis (1). The secondary cavity (15), the connecting hole (22), and the main cavity (23) are respectively opened in the housing (17). The secondary cavity (15) and the main cavity (23) are interconnected through the connecting hole (22). The main cavity (23) is filled with oil.

3. The visual coal flow monitoring device for underground belt conveyors according to claim 2, characterized in that: The piston (16) is slidably disposed in the main cavity (23). The bottom end of the piston rod (21) is disposed at the top end of the piston (16). The top end of the piston rod (21) is disposed at the bottom end of the connector (18). The lower spring (20) is sleeved on the piston rod (21). The lower spring (20) is located between the connector (18) and the housing (17), and the length of the lower spring (20) is greater than the height of the piston rod (21).

4. The visual coal flow monitoring device for underground belt conveyors according to claim 1, characterized in that: The airbag vibration damping structure consists of a ring seat (4), a base plate (5), an airbag (24), an upper spring (25), and a pressure plate (26). The base plate (5) is mounted on the chassis (1), the ring seat (4) is located between the base plates (5), the airbag (24) is located inside the ring seat (4), the outer ring surface of the connector (18) is provided with mounting grooves (19) at equal intervals, one end of the upper spring (25) is located inside the mounting groove (19), the pressure plate (26) is located at the other end of the upper spring (25), and the pressure plate (26) abuts against the inner ring surface of the airbag (24).

5. The visual coal flow monitoring device for underground belt conveyors according to claim 1, characterized in that: The reversing structure consists of a deflection seat (7), a deflection head (8), a gear (11), a lower motor (12), a gear ring (13), and an upper motor (14). The deflection seat (7) is rotatably mounted on the top of the main column (6). The gear ring (13) is mounted on the outer wall of the shaft end of the deflection seat (7). The lower motor (12) is mounted on the outer wall of the main column (6). The gear (11) is mounted on the output end of the lower motor (12). The gear (11) meshes with the gear ring (13). One end of the deflection head (8) is mounted on the outer wall of the high-definition camera (9). The other end of the deflection head (8) is rotatably mounted inside the deflection seat (7). The upper motor (14) is mounted on the outer wall of the deflection seat (7). The output end of the upper motor (14) is connected to the shaft end of the deflection head (8).

6. The visual coal flow monitoring device for underground belt conveyors according to claim 1, characterized in that: The connector (18) has a screw seat (10) at its top end, and the bottom end of the main column (6) is threaded into the screw seat (10).

7. The visual coal flow monitoring device for underground belt conveyors according to claim 4, characterized in that: The airbag (24) is provided with an inflation head (3), and the ring seat (4) is provided with a perforation (27). The inflation head (3) passes through the perforation (27). The ring seat (4) adopts an open inner ring surface design, so that the airbag (24) expands in a defined direction.

8. The visual coal flow monitoring device for underground belt conveyors according to claim 1, characterized in that: The chassis (1) has four mounting holes (2), and the four mounting holes (2) are arranged in a ring array on the chassis (1).

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