Coal mine dust inspection robot

Abstract

The utility model is applicable to the technical field of coal mine dust inspection equipment, and provides a coal mine dust inspection robot, which comprises a dust sensor, a mobile vehicle, a shell, a protective cover, a first electric push rod, a dust suction pipe and a suction ventilator, a driving mechanism is arranged in the shell, and the driving mechanism comprises a double-sided rack, a second electric push rod and a straight gear. According to the coal mine dust inspection robot, the dust sensor, the moving trolley, the shell, the protective cover, the first electric push rod, the dust suction pipe and the suction fan are arranged, the first electric push rod extends and drives the pipe opening of the dust suction pipe to move out of the shell, the suction fan is started, external dust-containing air is sucked in through the dust suction pipe, and the dust-containing air is discharged out of the shell. The position of a pipe opening of the dust suction pipe is adjusted through stretching and retracting of the first electric push rod, the detection range of the dust sensor can be expanded, and the detection effect is better.

Description

Technical Field

[0001] The utility model belongs to the technical field of coal mine dust inspection equipment, and particularly relates to a coal mine dust inspection robot. Background Art

[0002] The mining industry is developing faster and faster in China. However, accidents caused by excessive dust concentration in the operation environment during coal mining, loading and transportation often occur, resulting in casualties. In order to monitor and warn the dust concentration in the operation environment in real time and feedback it to the operation personnel and management responsible persons in time, it is necessary to conduct inspection operations on the coal mine working environment;

[0003] After retrieval, the prior art CN117140544A discloses a coal mine dust inspection robot, which includes a robot body. Walking tracks for moving are arranged on the left and right sides of the robot body. A rotating mechanism is fixedly arranged on the upper side of the robot body. A detection component for detecting dust is arranged on the upper side of the rotating mechanism. A visual sensing mechanism for conducting visual data transmission is fixedly arranged on the upper side of the detection component.

[0004] Although the above prior art can perform inspection operations, there are the following problems:

[0005] On the one hand, the detection component is exposed to the outside and is not well protected. The environment in the mine roadway is complex and it is easy to be damaged. Especially when the humidity in the mine roadway is relatively high, some detection components may be affected by water vapor and affect the use;

[0006] On the other hand, the detection component can only detect the air in a relatively small range nearby, and the detected sample data is less, which is not conducive to improving the detection accuracy. Summary of the Utility Model

[0007] The utility model provides a coal mine dust inspection robot, aiming to solve the above problems.

[0008] The utility model is realized as follows. A coal mine dust inspection robot includes a dust sensor, and further includes:

[0009] A mobile vehicle;

[0010] A housing installed on the mobile vehicle, the dust sensor is fixedly installed in the inner cavity of the housing, a protective cover is fixedly installed outside the dust sensor, and a desiccant bag is placed on the inner side wall of the protective cover;

[0011] A first electric push rod installed in the housing, a dust suction pipe is installed at the telescopic end of the first electric push rod, the dust suction pipe is communicated with the air inlet of the dust sensor through a flexible air pipe, a suction fan is installed at the air inlet of the dust sensor, and a through groove for the telescopic end of the first electric push rod and the dust suction pipe to move is opened on the housing wall.

[0012] Preferably, a camera is fixedly installed on the top of the housing for shooting environmental videos.

[0013] Preferably, a stepper motor is provided between the housing and the mobile vehicle. The output shaft of the stepper motor is fixed to the mobile vehicle, and the output shaft of the stepper motor is fixedly connected to the bottom of the housing.

[0014] Preferably, support legs are symmetrically and fixedly arranged on both sides of the stepper motor at the bottom of the housing. The bottom ends of the support legs are fixedly provided with sliding seats, and the sliding seats are slidably connected to the annular sliding grooves formed on the mobile vehicle.

[0015] Preferably, a driving mechanism is provided inside the housing. The driving mechanism includes:

[0016] A double-sided rack vertically arranged in the middle of the housing, the double-sided rack is fixed to the telescopic end of a vertical second electric push rod, and the second electric push rod is fixed inside the housing;

[0017] Straight gears arranged on both sides of the double-sided rack and meshing with it. The straight gears are rotatably connected to the housing, and a first electric push rod is respectively fixed on each straight gear.

[0018] Preferably, an installation plate is fixed to the telescopic end of the first electric push rod. Driving rollers are rotatably installed at upper and lower intervals inside the installation plate. The dust suction pipe is located between the two driving rollers and is in contact with the driving rollers. The two driving rollers are driven and connected through a gear pair. A micro motor for driving one of the driving rollers to rotate is fixed on the installation plate. A plurality of guide sleeves are fixedly arranged at intervals on the outer shell of the first electric push rod, and the dust suction pipe passes through the guide sleeves.

[0019] Preferably, a power supply battery is installed inside the housing for supplying power to each electrical device.

[0020] Preferably, an alarm lamp and a buzzer are installed on the upper part of the outer wall of the housing. The alarm lamp and the buzzer are both electrically connected to the dust sensor.

[0021] Preferably, a wireless transmission device is fixedly installed on the top of the outer wall of the housing. The wireless transmission device is electrically connected to the dust sensor and can transmit the data of the dust sensor to the control terminal.

[0022] Preferably, a display screen is fixedly installed on the outer side wall of the housing. The display screen is electrically connected to the dust sensor for displaying detection data.

[0023] Compared with the prior art, the embodiments of the present application mainly have the following beneficial effects:

[0024] The coal mine dust inspection robot provided by the present utility model is provided with a dust sensor, a mobile vehicle, a housing, a protective cover, a first electric push rod, a dust suction pipe and a suction fan. When the first electric push rod extends, the first electric push rod drives the nozzle of the dust suction pipe to move out of the housing. Then, the suction fan is started to suck the external dust-containing air into the dust suction pipe, and then enters the dust sensor through the flexible air pipe for dust concentration detection. By extending and retracting the first electric push rod, the position of the nozzle of the dust suction pipe is adjusted, so as to expand the detection range of the dust sensor and achieve better detection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 FIG. is a schematic structural diagram of a coal mine dust inspection robot provided by the present utility model;

[0026] Figure 2 FIG. is a side view of the housing in a coal mine dust inspection robot provided by the present utility model;

[0027] Figure 3 FIG. is a schematic structural diagram of a mounting plate, a driving roller and a micro motor in a coal mine dust inspection robot provided by the present utility model.

[0028] ANNOTATIONS OF REFERENCE NUMERALS: 1, mobile vehicle; 2, buzzer; 3, warning lamp; 4, support leg; 5, stepping motor; 6, sliding seat; 7, wireless transmission device; 8, power supply battery; 9, first electric push rod; 10, double-sided rack; 11, spur gear; 12, second electric push rod; 13, housing; 14, mounting plate; 15, guide sleeve; 16, flexible air pipe; 17, dust sensor; 18, camera; 19, dust suction pipe; 20, display screen; 21, through groove; 22, micro motor; 23, driving roller; 24, gear pair. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs. The terms used in the specification of this application are only for the purpose of describing specific embodiments, and are not intended to limit this application. The terms "including" and "having" and any variations thereof in the specification and claims of this application and the above drawings are intended to cover non-exclusive inclusion. The terms "first", "second", etc. in the specification and claims of this application or the above drawings are used to distinguish different objects, rather than to describe a specific order.

[0030] References to "embodiments" in this specification mean that the specific features, structures, or characteristics described in connection with the embodiments can be included in at least one embodiment of the present application. The phrase appears in various places in the specification and does not necessarily refer to the same embodiment each time, nor are they independent or alternative embodiments mutually exclusive of other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0031] An embodiment of the present utility model provides a coal mine dust inspection robot, as Figures 1 - 3 shown, which includes a dust sensor 17, and further includes:

[0032] A mobile vehicle 1. In this embodiment, the mobile vehicle 1 is a crawler-type mobile vehicle 1, and the mobile technologies of existing robots such as floor-sweeping robots and food-delivery robots can be adopted;

[0033] A housing 13 installed on the mobile vehicle 1. The dust sensor 17 is fixedly installed in the inner cavity of the housing 13. A protective cover is fixedly installed outside the dust sensor 17, and a desiccant bag is placed on the inner side wall of the protective cover. On the one hand, it can further protect the dust sensor 17. On the other hand, it makes the dust sensor 17 in a dry environment and avoids the influence of a humid environment on its service life. The protective cover can be connected to the housing 13 by screws. In this embodiment, the dust sensor 17 is fixedly installed at the top of the inner cavity of the housing 13 by screws;

[0034] A first electric push rod 9 installed in the housing 13. The telescopic end of the first electric push rod 9 is installed with a dust suction pipe 19. The dust suction pipe 19 is communicated with the air inlet of the dust sensor 17 through a flexible air pipe 16 and can be connected through a pipe joint. A suction fan is installed at the air inlet of the dust sensor 17. A through groove 21 for the movement of the telescopic end of the first electric push rod 9 and the dust suction pipe 19 is opened on the housing wall of the housing 13;

[0035] During inspection, by extending the first electric push rod 9, the first electric push rod 9 drives the nozzle of the dust suction pipe 19 to move out of the housing 13. The suction fan is started, and the external dust-containing air is sucked in through the dust suction pipe 19 and then enters the dust sensor 17 through the flexible air pipe 16 for dust concentration detection. By telescoping the first electric push rod 9, the position of the nozzle of the dust suction pipe 19 is adjusted, which can expand the detection range of the dust sensor 17 and the detection effect is better.

[0036] In this embodiment, a camera 18 is fixedly installed on the top of the housing 13 for shooting environmental videos to facilitate the detection of the environment in the mine roadway.

[0037] Further, a stepper motor 5 is provided between the housing 13 and the mobile vehicle 1. The output shaft of the stepper motor 5 is fixed to the mobile vehicle 1 and can be fixed by bolts. The output shaft of the stepper motor 5 is fixedly connected to the bottom of the housing 13 and can be fixed by screws;

[0038] During inspection, the housing 13 can be driven to rotate by the stepper motor 5, and the camera 18 and the dust suction pipe 19 follow the housing 13 to rotate, enabling circumferential monitoring and dust detection to meet more usage requirements.

[0039] Furthermore, support legs 4 are symmetrically and fixedly arranged on both sides of the stepper motor 5 at the bottom of the housing 13 and can be fixed by welding. The bottom ends of the support legs 4 are fixedly provided with sliding seats 6, and the sliding seats 6 are slidably connected to the annular sliding grooves formed on the mobile vehicle 1. Through the support legs 4 and the sliding seats 6, the stability of the housing 13 is improved.

[0040] In a specific implementation, a driving mechanism is provided inside the housing 13. The driving mechanism includes:

[0041] A double-sided rack 10 vertically arranged in the middle of the housing 13. The double-sided rack 10 is fixed to the telescopic end of a vertical second electric push rod 12, and the second electric push rod 12 is fixed inside the housing 13 and can be fixed by screws;

[0042] Straight gears 11 arranged on both sides of the double-sided rack 10 and meshing with it. The straight gears 11 are rotatably connected to the housing 13, and a first electric push rod 9 is respectively fixed on each straight gear 11 and can be fixed by screws;

[0043] During operation, the first electric push rod 9 drives the nozzle of the dust suction pipe 19 to move outside the housing 13. Then, the second electric push rod 12 can be repeatedly telescoped. The second electric push rod 12 drives the double-sided rack 10 to move up and down. The double-sided rack 10 drives the straight gears 11 to rotate forward and backward. The straight gears 11 drive the first electric push rod 9 to rotate up and down, further adjusting the height position of the nozzle of the dust suction pipe 19, enabling dust detection in the air at different heights, further expanding the detection range, and improving the detection efficiency.

[0044] In this embodiment, an installation plate 14 is fixed to the telescopic end of the first electric push rod 9. Driving rollers 23 are rotatably installed at upper and lower intervals inside the installation plate 14. The dust suction pipe 19 is located between the two driving rollers 23 and is in contact with the driving rollers 23. The two driving rollers 23 are driven and connected through a gear pair 24. A micro motor for driving one of the driving rollers 23 to rotate is fixed on the installation plate 14 and can be fixed by screws. A plurality of guide sleeves 15 are spaced and fixed on the outer shell of the first electric push rod 9. The dust suction pipe 19 passes through the guide sleeves 15;

[0045] During operation, the micro motor can be started. The micro motor drives the driving roller 23 to rotate. The two driving rollers 23 cooperate to drive the dust suction pipe 19 to move, adjust the distance between the nozzle of the dust suction pipe 19 and the telescopic end of the first electric push rod 9, and further adjust the position of the nozzle of the dust suction pipe 19.

[0046] Preferably, a power supply battery 8 is installed in the housing 13 for supplying power to each electrical device.

[0047] In this embodiment, an alarm lamp 3 and a buzzer 2 are installed on the upper part of the outer wall of the housing 13. The alarm lamp 3 and the buzzer 2 are both electrically connected to the dust sensor 17. When the value detected by the dust sensor 17 is greater than the set value, the alarm lamp 3 lights up and the buzzer 2 sounds for alarm.

[0048] Furthermore, a wireless transmission device 7 is fixedly installed on the top of the outer wall of the housing 13. The wireless transmission device 7 is electrically connected to the dust sensor 17 and can transmit the data of the dust sensor 17 to the control terminal.

[0049] Even further, a display screen 20 is fixedly installed on the outer side wall of the housing 13. The display screen 20 is electrically connected to the dust sensor 17 for displaying the detection data.

[0050] In summary, the present utility model provides a coal mine dust inspection robot, and its working principle is as follows:

[0051] During inspection, the first electric push rod 9 extends, and the first electric push rod 9 drives the nozzle of the dust suction pipe 19 to move out of the housing 13. The suction fan is started, and the external dust-containing air is sucked through the dust suction pipe 19, and then enters the dust sensor 17 through the flexible air pipe 16 for dust concentration detection. By telescoping the first electric push rod 9, the position of the nozzle of the dust suction pipe 19 is adjusted, which can expand the detection range of the dust sensor 17 and the detection effect is better. The housing 13 can be driven to rotate by the stepper motor 5, and the camera 18 and the dust suction pipe 19 rotate with the housing 13, enabling circumferential monitoring and dust detection, meeting more usage requirements. The second electric push rod 12 can also be repeatedly telescoped. The second electric push rod 12 drives the double-sided rack 10 to move up and down. The double-sided rack 10 drives the spur gear 11 to rotate forward and backward. The spur gear 11 drives the first electric push rod 9 to rotate up and down, further adjusting the height position of the nozzle of the dust suction pipe 19, enabling the detection of dust in the air at different heights, further expanding the detection range and improving the detection efficiency.

[0052] It should be noted that, for the foregoing embodiments, for the sake of simple description, they are all expressed as a series of action combinations. However, those skilled in the art should know that the present utility model is not limited by the described action sequence, because according to the present utility model, certain steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily essential to the present utility model.

[0053] The above embodiments are only used to illustrate the technical solutions of the present utility model, rather than limiting the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model. Although the present utility model has been described in detail with reference to the above embodiments, those of ordinary skill in the art can still, without conflict and without making creative efforts, combine, add or delete the features in the various embodiments of the present utility model according to the situation, or make other adjustments, so as to obtain different technical solutions that essentially do not deviate from the concept of the present utility model, and these technical solutions also belong to the scope of protection of the present utility model.

Claims

1. A coal mine dust inspection robot, including a dust sensor, characterized in that, Further included are: A mobile vehicle; A housing installed on the mobile vehicle, the dust sensor is fixedly installed in the inner cavity of the housing, a protective cover is fixedly installed outside the dust sensor, and a desiccant bag is placed on the inner side wall of the protective cover; A first electric push rod installed in the housing, the telescopic end of the first electric push rod is installed with a dust suction pipe, the dust suction pipe is communicated with the air inlet of the dust sensor through a flexible air pipe, a suction fan is installed at the air inlet of the dust sensor, and a through groove for the telescopic end of the first electric push rod and the dust suction pipe to move is opened on the housing wall.

2. The coal mine dust inspection robot according to claim 1, wherein, A camera is fixedly installed on the top of the housing for shooting environmental videos.

3. The coal mine dust inspection robot according to claim 1, wherein, A stepping motor is provided between the housing and the mobile vehicle, the output shaft of the stepping motor is fixed on the mobile vehicle, and the output shaft of the stepping motor is fixedly connected to the bottom of the housing.

4. The coal mine dust inspection robot according to claim 3, characterized in that, Support legs are symmetrically and fixedly installed on both sides of the stepping motor at the bottom of the housing, the bottom ends of the support legs are fixedly installed with sliding seats, and the sliding seats are slidably connected to the annular sliding grooves opened on the mobile vehicle.

5. The coal mine dust inspection robot according to claim 1, characterized in that A driving mechanism is arranged in the housing, and the driving mechanism includes: A double-sided rack vertically arranged in the middle of the housing, the double-sided rack is fixed to the telescopic end of a vertical second electric push rod, and the second electric push rod is fixed in the housing; Straight gears arranged on both sides of the double-sided rack and meshing with it, the straight gears are rotatably connected to the housing, and a first electric push rod is respectively fixed on each straight gear.

6. The coal mine dust inspection robot according to claim 1, characterized in that, The telescopic end of the first electric push rod is fixed with a mounting plate, driving rollers are rotatably installed at upper and lower intervals in the mounting plate, the dust suction pipe is located between the two driving rollers and is in contact with the driving rollers, the two driving rollers are driven and connected through a gear pair, a micro motor for driving one of the driving rollers to rotate is fixed on the mounting plate, and a plurality of guide sleeves are fixedly installed at intervals on the outer shell of the first electric push rod, and the dust suction pipe penetrates through the guide sleeves.

7. The coal mine dust inspection robot according to claim 1, characterized in that, A power supply battery is installed in the housing for supplying power to each electrical device.

8. The coal mine dust inspection robot according to claim 1, characterized in that, An alarm lamp and a buzzer are installed on the upper part of the outer wall of the housing, and both the alarm lamp and the buzzer are electrically connected to the dust sensor.

9. The coal mine dust inspection robot according to claim 1, characterized in that, A wireless transmission device is fixedly installed on the top of the outer wall of the housing, the wireless transmission device is electrically connected to the dust sensor, and can transmit the data of the dust sensor to the control terminal.

10. The coal mine dust inspection robot according to claim 1, characterized in that, A display screen is fixedly installed on the outer side wall of the housing, the display screen is electrically connected to the dust sensor, and is used for displaying detection data.

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