Explosion-proof camera for mining operation

Abstract

The invention relates to the technical field of mining camera shooting, in particular to an explosion-proof camera for mining operation. The camera comprises a base, an anti-explosion shell assembly is rotationally arranged on one side of the base, a camera lens is arranged in the anti-explosion shell assembly, a head assembly is rotationally arranged at one end of the anti-explosion shell assembly, the camera lens carries out camera shooting through the head assembly, and the head assembly shields the camera lens and isolates the camera lens from the outside. The head assembly is vertically arranged and intermittently rotates, the tail assembly is rotationally arranged at the end, away from the head assembly, of the anti-explosion shell assembly, and a driving device is arranged in the anti-explosion shell assembly. Power is transmitted to the head assembly and the tail assembly through the grooved wheel, the drive plate, the driven rod and the driving rod, intermittent rotation is achieved through mechanical linkage of the grooved wheel and the drive plate, and it is ensured that the head assembly and the tail assembly act periodically; the first rotating disc rotates vertically and intermittently to drive the protective lens to shield the camera lens periodically, so that imaging continuity is guaranteed, and surface dust is loosened at the same time.

Description

Technical Field

[0001] The present invention relates to the technical field of mining cameras, and more specifically, to an explosion-proof camera for mining operations. Background Art

[0002] Mining sites usually have complex terrains and narrow spaces, and strong vibrations and impacts will be generated during the operation of equipment. In addition, the humidity is high and the dust is abundant underground. All these factors pose high requirements on the structural strength and protection performance of cameras. The camera needs to have good anti-seismic, moisture-proof, dust-proof and other characteristics to ensure stable operation in a harsh physical environment. Traditional explosion-proof cameras mostly adopt a combination of physical sealing and regular manual cleaning to deal with the dust problem, but there are still the following technical defects: dust is easily attached to the surface of the lens or heat dissipation components. The traditional fixed structure relies on manual cleaning or low-frequency mechanical scraping, which is difficult to meet the continuous working requirements; the continuously driven dust removal device (such as a rotating brush) increases energy consumption, and frequent maintenance affects the reliability of the equipment. Summary of the Invention

[0003] The purpose of the present invention is to provide an explosion-proof camera for mining operations to solve the problems raised in the above background art.

[0004] To achieve the above purpose, there is provided an explosion-proof camera for mining operations, including a base. An explosion-proof housing assembly is rotatably provided on one side of the base. A camera lens is provided inside the explosion-proof housing assembly. A head assembly is rotatably provided at one end of the explosion-proof housing assembly. The camera lens takes pictures through the head assembly. The head assembly shields the camera lens and isolates the camera lens from the outside. The head assembly is vertically provided and intermittently rotates, so that the dust accumulated on the head assembly becomes loose from the head assembly. The intermittently rotating head assembly makes different positions of the head assembly shield one end of the camera lens. A tail assembly is rotatably provided at the end of the explosion-proof housing assembly away from the head assembly. The inside of the explosion-proof housing assembly communicates with the outside through the tail assembly. The heat generated by the camera lens is transferred to the outside through the tail assembly. A driving device is provided inside the explosion-proof housing assembly. The driving device is set to rotate intermittently, so that the dust accumulated on the tail assembly becomes loose from the tail assembly. When the driving device rotates, it drives the head assembly and the tail assembly to rotate simultaneously.

[0005] As a further improvement of this technical solution, two dust removal devices are provided at the end of the head assembly away from the tail assembly, and one dust removal device is provided at the end of the tail assembly away from the head assembly. The dust removal devices scrape the head assembly and the tail assembly to remove the dust attached to the head assembly and the tail assembly.

[0006] As a further improvement of the technical solution, the explosion-proof housing assembly includes a housing rotatably mounted on one side of the base, and the camera lens is fixedly mounted inside the housing. One end of the housing away from the tail assembly is fixedly connected with a partition board, and a round hole is penetrated through the partition board. One end of the camera lens is fixedly mounted in the round hole, and the camera lens takes pictures through the round hole. The head assembly includes a first turntable vertically rotatably mounted on the side of the partition board away from the tail assembly. The first turntable is rotatably connected with the housing through a first rotating ring. A first sliding groove is formed at one end of the housing close to the first turntable, and the first rotating ring is arranged in the sliding groove. One side of the first rotating ring away from the housing is fixedly connected with the first turntable, and the first rotating ring enables the first turntable to freely rotate at one end of the housing.

[0007] As a further improvement of the technical solution, a plurality of protective lenses are rotatably mounted on the first turntable. The protective lenses shield in front of the round hole and the camera lens. The first turntable rotates intermittently, driving the plurality of protective lenses to rotate, so that the dust accumulated on the protective lenses becomes loose from the protective lenses. Through the scraping of the dust removal device, the protective lenses in front of the camera lens are kept clean.

[0008] As a further improvement of the technical solution, the tail assembly includes a second turntable rotatably mounted on the end of the housing away from the first turntable. The second turntable and the housing are rotatably connected through a second rotating ring. A second sliding groove is formed at one end of the second rotating ring close to the second turntable, and the second rotating ring is arranged to rotate in the second sliding groove. One side of the second rotating ring away from the first turntable is fixedly connected with the second turntable. The rotating second rotating ring drives the second turntable to rotate. A plurality of heat dissipation meshes are formed on the second turntable, and the heat dissipation meshes communicate the inside of the housing with the outside. The heat generated by the camera lens is dissipated to the outside through the plurality of heat dissipation meshes. The dust removal device close to the second turntable scrapes the plurality of heat dissipation meshes. The second turntable rotates intermittently, driving the plurality of heat dissipation meshes to rotate, so that the dust accumulated on the heat dissipation meshes becomes loose from the heat dissipation meshes. Through the scraping of the dust removal device, each heat dissipation mesh is kept clean.

[0009] As a further improvement of the technical solution, the driving device includes a driven rod rotatably mounted between the partition board and the second turntable. One end of the driven rod away from the second turntable penetrates through the partition board and is fixedly connected with the first turntable. The driven rod is fixedly connected with the second turntable. The rotation of the driven rod drives the first turntable and the second turntable to rotate, and at the same time loosens the dust on the protective lenses and the heat dissipation meshes.

[0010] As a further improvement of the present technical solution, a first mounting plate and a second mounting plate are fixedly installed on the bottom inner wall of the shell, the driven rod penetrates and is rotatably installed on the first mounting plate and the second mounting plate, and an active rod is rotatably installed under the driven rod, and a motor is fixedly installed on one end of the active rod near the second rotating disk, and the rotating shaft of the motor drives the active rod to rotate. A dial is fixedly sleeved on one end of the active rod near the first rotating disk, and a lever is fixedly connected to a side of the dial near the first mounting plate, and a sliding column is rotatably installed on the other end of the sliding column, and the active rod rotates to drive the sliding column to rotate around the active rod, and a groove wheel is fixedly sleeved on one end of the driven rod near the first rotating disk, and the groove wheel is arranged above the dial, and a plurality of U-shaped grooves are opened on the side wall of the groove wheel, and the sliding column is embedded in the U-shaped groove. When the sliding column rotates around the active rod, the sliding column is sequentially embedded in the U-shaped groove and slides out of the U-shaped groove, driving the driven rod and the groove wheel to rotate intermittently, and when the sliding column stays in the U-shaped groove, a protective lens stays in front of the camera lens.

[0011] As a further improvement of the present technical solution, a protective cover is fixedly installed on the top of the outer shell, and the dust removal device includes a connecting seat fixedly installed under the protective cover, a scraper is slidably installed on one side of the connecting seat, the scraper is in contact with the protective lens or the heat dissipation net, and the scraper is squeezed by a plurality of screws on the side wall of the connecting seat, and the scraper is separated from the connecting seat by loosening the screws.

[0012] Compared with the prior art, the present invention has the following beneficial effects: 1. In the explosion-proof camera for mining operations, the dust particles are thrown off the surface of the protective lens under the action of centrifugal force through the first turntable which is set vertically and rotates intermittently. At the same time, due to the periodic rotation stop of the first turntable, the loose dust is separated from the equipment by gravity, and the attached dust is cleaned twice with two scrapers, which ensures the quality of the camera. At the same time, the intermittent shielding of the first turntable avoids continuous shading and ensures the continuity of imaging; 2. In the explosion-proof camera for mining operations, while the first turntable rotates, the heat dissipation net is driven by the active rod to keep synchronous rotation with the first turntable, and the dust removal device is used to scrape the heat dissipation net to complete the cleaning of the heat dissipation net and prevent dust from clogging the heat dissipation net, ensuring that the heat generated by the camera lens can be quickly discharged, thereby improving the stability of the equipment in dusty, high-temperature, and explosive environments. This design does not require continuous external energy input, significantly reduces energy consumption and extends the maintenance cycle. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is one of the partial structural schematic diagrams of the present invention; Figure 3 This is the second schematic diagram of the partial structure of the present invention; Figure 4It is the third partial structural schematic diagram of the present invention; Figure 5 It is the fourth partial structural schematic diagram of the present invention; Figure 6 It is the partial structural explosion schematic diagram of the present invention; Figure 7 It is the partial structural sectional view schematic diagram of the present invention; Figure 8 It is the structural schematic diagram of the driving device of the present invention; Figure 9 It is the structural schematic diagram of the dust removal device of the present invention.

[0014] The meanings of each label in the figure are as follows: 1. Head assembly; 11. First turntable; 12. Protective lens; 2. Driving device; 21. First mounting plate; 22. Second mounting plate; 23. Motor; 24. Grooved pulley; 25. Dial; 26. Dial rod; 27. Slide post; 28. Driven rod; 29. Driving rod; 3. Tail assembly; 31. Second turntable; 32. Heat dissipation net; 4. Explosion-proof shell assembly; 41. Outer shell; 42. Partition board; 43. First rotating ring; 44. Second rotating ring; 5. Dust removal device; 51. Connecting seat; 52. Scraper; 6. Base; 7. Camera lens. Specific embodiments

[0015] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0016] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0017] Embodiment 1 Please refer to Figures 1-9As shown in the figure, the purpose of this embodiment is to provide an explosion-proof camera for mining operations, which includes a base 6. The base 6 serves as the physical support foundation of the device and is stably installed to reduce the impact of mine vibrations on the device, ensuring imaging stability and the reliability of the explosion-proof structure. On one side of the base 6, an explosion-proof housing assembly 4 is rotatably arranged. The explosion-proof housing assembly 4 adjusts the camera direction up and down by rotation, while isolating gas and dust, meeting the explosion-proof safety requirements and flexibly adapting to the monitoring needs of different working areas. Inside the explosion-proof housing assembly 4, a camera lens 7 is arranged. At one end of the explosion-proof housing assembly 4, a head assembly 1 is rotatably arranged. The camera lens 7 takes pictures through the head assembly 1. The head assembly 1 shields the camera lens 7 and isolates the camera lens 7 from the outside. The head assembly 1 is vertically arranged and rotates intermittently, using centrifugal force and gravity to loosen the dust accumulated on the head assembly 1 from the head assembly 1. The intermittently rotating head assembly 1 causes different positions of the head assembly 1 to shield one end of the camera lens 7, avoiding continuous light shielding from affecting the imaging of the camera lens 7. At the end of the explosion-proof housing assembly 4 away from the head assembly 1, a tail assembly 3 is rotatably arranged. The inside of the explosion-proof housing assembly 4 communicates with the outside through the tail assembly 3. The heat generated by the camera lens 7 is transferred to the outside through the tail assembly 3, preventing high temperature from causing failures or explosions. Inside the explosion-proof housing assembly 4, a driving device 2 is arranged. The driving device 2 is set to rotate intermittently, causing the dust accumulated on the tail assembly 3 to loosen from the tail assembly 3, preventing dust blockage, and enhancing the stability and safety of the device in a dusty, high-temperature, and explosive environment. When the driving device 2 rotates, it simultaneously drives the head assembly 1 and the tail assembly 3 to rotate, achieving efficient dust removal, heat dissipation, and explosion-proof safety protection through intermittent rotation, while reducing maintenance costs and extending the service life of the device.

[0018] At one end of the head assembly 1 away from the tail assembly 3, two dust removal devices 5 are arranged. By covering a larger surface area of the head assembly 1 with the two dust removal devices 5, the scraping efficiency is enhanced, reducing the risk of lens blurring caused by dust accumulation. At one end of the tail assembly 3 away from the head assembly 1, one dust removal device 5 is arranged. The dust removal device 5 scrapes the head assembly 1 and the tail assembly 3 to remove the dust adhering to the head assembly 1 and the tail assembly 3, so as to avoid blockage and affect the heat dissipation performance; the dust removal device 5 acts in coordination with the intermittent rotation of the driving device 2 to effectively remove surface dust and reduce the need for manual maintenance, significantly extending the continuous working life of the device in a dusty environment.

[0019] The explosion-proof housing assembly 4 includes a housing 41 rotatably mounted on one side of the base 6. The camera lens 7 is fixedly mounted inside the housing 41. The housing 41 protects and isolates dust to ensure the stable imaging of the camera lens 7. One end of the housing 41 away from the tail assembly 3 is fixedly connected with a partition plate 42. A round hole is penetrated through the partition plate 42. One end of the camera lens 7 is fixedly mounted in the round hole. The camera lens 7 takes pictures through the round hole. The round hole is used to fix the camera lens 7 and serve as a shooting view-finding hole, and at the same time reduces light shielding through structural optimization to improve imaging clarity. The head assembly 1 includes a first turntable 11 vertically rotatably mounted on one side of the partition plate 42 away from the tail assembly 3. The first turntable 11 is rotatably connected to the housing 41 through a first rotating ring 43. A first sliding groove is opened at one end of the housing 41 close to the first turntable 11. The first rotating ring 43 is arranged in the sliding groove. One side of the first rotating ring 43 away from the housing 41 is fixedly connected with the first turntable 11. The first turntable 11 can freely rotate at one end of the housing 41 through the first rotating ring 43. This design makes the rotation of the first turntable 11 more stable by using the guiding and supporting functions of the rotating ring, and at the same time reduces frictional losses. The first sliding groove opened at one end of the partition plate 42 close to the turntable first turntable 11 provides a moving space for the rotating ring first rotating ring 43, ensuring that the intermittent rotation of the head assembly 1 in the vertical direction can efficiently loosen dust and cover a larger cleaning range, and extending the service life of the device in a dusty environment.

[0020] A number of protective lenses 12 are rotatably mounted on the first turntable 11. The protective lenses 12 block in front of the round hole and the camera lens 7. Dust is prevented from directly invading the lens through physical blocking. The first turntable 11 rotates intermittently, driving a number of protective lenses 12 to rotate. Centrifugal force and gravity cause the dust accumulated on the protective lenses 12 to loosen from the protective lenses 12. Through the scraping of the dust removal device 5, the protective lenses 12 in front of the camera lens 7 are kept clean. The scraping action further removes residual dust, ensuring a clear shooting field of view. Through the linkage rotation and mechanical cleaning mechanism, the manual maintenance frequency is significantly reduced and the lens life is extended, ensuring the continuous and stable operation of the device in a dusty environment.

[0021] The tail assembly 3 includes a second turntable 31 rotatably mounted at one end of the housing 41 away from the first turntable 11. The second turntable 31 and the housing 41 are rotatably connected by a second swivel ring 44. A second chute is provided at one end of the second swivel ring 44 close to the second turntable 31. The second swivel ring 44 is arranged to rotate in the second chute. The side of the second swivel ring 44 away from the first turntable 11 is fixedly connected to the second turntable 31. The guiding and supporting functions of the swivel ring make the rotation of the second turntable 31 more stable and reduce frictional losses. The rotating second swivel ring 44 drives the second turntable 31 to rotate. A plurality of heat dissipation meshes 32 are provided on the second turntable 31. The heat dissipation meshes 32 communicate the inside of the housing 41 with the outside. The heat generated by the camera lens 7 is dissipated to the outside through the plurality of heat dissipation meshes 32. The dust removal device 5 close to the second turntable 31 scrapes the plurality of heat dissipation meshes 32. The heat dissipation meshes 32 serve both as an air flow channel inside and outside the housing 41 to accelerate the heat discharge of the camera lens 7, and also remove dust through intermittent rotation and scraping actions of the dust removal device 5, avoiding blockage and affecting the heat dissipation efficiency. The second turntable 31 rotates intermittently, driving the plurality of heat dissipation meshes 32 to rotate, loosening the dust accumulated on the heat dissipation meshes 32. Through the scraping of the dust removal device 5, each heat dissipation mesh 32 is kept clean. The intermittent rotation of the second turntable 31 drives the heat dissipation meshes 32 to periodically loosen the surface dust, combined with the scraping mechanism, significantly improving the long-term reliability of the heat dissipation system and ensuring the continuous and stable operation of the device in high-temperature and high-dust environments.

[0022] The driving device 2 includes a driven rod 28 rotatably mounted between the partition plate 42 and the second turntable 31. One end of the driven rod 28 away from the second turntable 31 penetrates the partition plate 42 and is fixedly connected to the first turntable 11, forming a power transmission path. The driven rod 28 is fixedly connected to the second turntable 31 to ensure synchronism and stability during rotation and avoid transmission deviation. The rotation of the driven rod 28 drives the first turntable 11 and the second turntable 31 to rotate, realizing the linkage control of the head turntable (the first turntable 11) and the tail turntable (the second turntable 31), simplifying the system structure, reducing the maintenance cost, and at the same time loosening the dust on the protective lens 12 and the heat dissipation meshes 32.

[0023] On the inner bottom wall of the housing 41, a first mounting plate 21 and a second mounting plate 22 are fixedly installed. The driven rod 28 passes through and is rotatably installed on the first mounting plate 21 and the second mounting plate 22. The driven rod 28 connects the first turntable 11 and the second turntable 31 to ensure the stability of power transmission. A driving rod 29 is rotatably installed below the driven rod 28. One end of the driving rod 29 close to the second turntable 31 is fixedly installed with a motor 23. The rotating shaft of the motor 23 drives the driving rod 29 to rotate, thereby driving the entire transmission chain to operate. A dial 25 is fixedly sleeved at one end of the driving rod 29 close to the first turntable 11. One side of the dial 25 close to the first mounting plate 21 is fixedly connected with a dial rod 26. The other end of the dial rod 26 is rotatably installed with a sliding column 27. The sliding column 27 rotates with the dial 25 to achieve an intermittent scraping action. The rotation of the driving rod 29 drives the sliding column 27 to rotate around the driving rod 29. The sliding column 27 controls the intermittent movement through the engagement mechanism of centrifugal force and the U-shaped groove. A sprocket 24 is fixedly sleeved at one end of the driven rod 28 close to the first turntable 11. The sprocket 24 is arranged above the dial 25. A plurality of U-shaped grooves are formed on the side wall of the sprocket 24. The sliding column 27 is fitted in the U-shaped groove. When the sliding column 27 is fitted in the U-shaped groove, it drives the sprocket 24 and the transmission rod driven rod 28 to rotate intermittently through mechanical engagement, realizing intermittent rotation control and synchronously triggering the dust removal actions of the head assembly 1 and the tail assembly 3; when the sliding column 27 stays in the U-shaped groove, a protective lens 12 just blocks the front end of the camera lens 7, using physical shielding and intermittent opening and closing to balance the dust prevention requirements and imaging continuity.

[0024] A protective cover is fixedly installed above the housing 41. The protective cover protects the components below from gravel impact through physical shielding. The dust removal device 5 includes a connecting seat 51 fixedly installed below the protective cover. A scraping plate 52 is slidably installed on one side of the connecting seat 51. The scraping plate 52 contacts the protective lens 12 or the heat dissipation net 32 to remove dust through physical friction and maintain the cleanliness of the components. The scraping plate 52 is squeezed by a plurality of screws on the side wall of the connecting seat 51. The pre-tightening force of the screws controls the fitting pressure between the scraping plate 52 and the contact surface. After loosening, the scraping plate 52 can be quickly separated for replacement or cleaning; the scraping plate 52 is separated from the connecting seat 51 by loosening the screws. This design facilitates the individual maintenance of the scraping plate 52, reduces the equipment downtime and extends the overall service life.

[0025] In specific use of this embodiment, the motor 23 starts and transmits power to the head assembly 1 and the tail assembly 3 through the grooved wheel 24, the dial 25, the driven rod 28, and the driving rod 29. The mechanical linkage between the grooved wheel 24 and the dial 25 realizes intermittent rotation, ensuring the periodic movement of the head assembly 1 and the tail assembly 3; the first turntable 11 rotates vertically intermittently, driving the protective lens 12 to periodically block the imaging lens 7, avoiding continuous light shielding, ensuring the continuity of imaging, and at the same time, the centrifugal force loosens the surface dust; the scraper 52 is attached to the protective lens 12 of the lens with a pre-tightening force through the screw connecting seat 51, rotates with the first turntable 11 of the turntable and scrapes to remove dust; the second turntable 31 rotates synchronously, and the heat dissipation net 32 opens and closes intermittently to form an air flow channel, quickly guiding out the heat generated by the imaging lens 7; the scraper 52 scrapes the back of the heat dissipation net 32 to prevent dust blockage from affecting the heat dissipation efficiency.

[0026] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. An explosion-proof camera for mining operations, comprising a base (6), an explosion-proof shell component (4) being rotatably disposed on one side of the base (6), a camera lens (7) being disposed inside the explosion-proof shell component (4), characterized in that: A head assembly (1) is rotatably provided at one end of the explosion-proof shell assembly (4); the camera lens (7) is used to take pictures through the head assembly (1); the head assembly (1) shields the camera lens (7) and isolates the camera lens (7) from the outside; the head assembly (1) is vertically arranged and intermittently rotated, so that dust accumulated on the head assembly (1) is loosened from the head assembly (1); the intermittently rotating head assembly (1) enables different positions of the head assembly (1) to shield one end of the camera lens (7); the explosion-proof shell assembly (4) A tail assembly (3) is rotatably arranged at one end away from the head assembly (1); the interior of the explosion-proof shell assembly (4) is connected to the outside through the tail assembly (3); the heat generated by the camera lens (7) is transferred to the outside through the tail assembly (3); a driving device (2) is arranged inside the explosion-proof shell assembly (4); the driving device (2) is arranged to rotate intermittently so that dust accumulated on the tail assembly (3) is loosened from the tail assembly (3); when the driving device (2) rotates, the head assembly (1) and the tail assembly (3) are driven to rotate simultaneously.

2. The explosion-proof camera for mining operations according to claim 1, characterized in that: Two dust removal devices (5) are arranged at one end of the head component (1) away from the tail component (3), and one dust removal device (5) is arranged at one end of the tail component (3) away from the head component (1). The dust removal device (5) scrapes the head component (1) and the tail component (3) to remove dust attached to the head component (1) and the tail component (3).

3. The explosion-proof camera for mining operations according to claim 2, characterized in that: The explosion-proof shell assembly (4) comprises a shell (41) rotatably mounted on one side of the base (6); the camera lens (7) is fixedly mounted inside the shell (41); one end of the shell (41) away from the tail assembly (3) is fixedly connected to a partition (42); a circular hole is formed through the partition (42); one end of the camera lens (7) is fixedly mounted in the circular hole; the camera lens (7) takes pictures through the circular hole; the head assembly (1) comprises a vertically rotatable mounting on the partition (42) away from the tail assembly (3); A first rotating disk (11) is provided on one side of the tail assembly (3); the first rotating disk (11) is rotatably connected to the housing (41) via a first rotating ring (43); a first sliding groove is provided at one end of the housing (41) close to the first rotating disk (11); the first rotating ring (43) is arranged in the sliding groove; a side of the first rotating ring (43) away from the housing (41) is fixedly connected to the first rotating disk (11); the first rotating disk (11) is freely rotatable at one end of the housing (41) via the first rotating ring (43).

4. The explosion-proof camera for mining operations according to claim 3, characterized in that: A plurality of protective lenses (12) are rotatably mounted on the first rotating disk (11), and the protective lenses (12) are blocked in front of the circular hole and the camera lens (7). The first rotating disk (11) rotates intermittently, driving the plurality of protective lenses (12) to rotate, so that dust accumulated on the protective lenses (12) is loosened from the protective lenses (12), and the protective lenses (12) in front of the camera lens (7) are kept clean by being scraped by the dust removal device (5).

5. The explosion-proof camera for mining operations according to claim 2, characterized in that: The tail assembly (3) comprises a second turntable (31) rotatably mounted on an end of a housing (41) away from the first turntable (11); the second turntable (31) and the housing (41) are rotatably connected via a second rotating ring (44); a second slide groove is provided at an end of the second turntable (44) close to the second turntable (31); the second turntable (44) is arranged to rotate in the second slide groove; a side of the second turntable (44) away from the first turntable (11) is fixedly connected to the second turntable (31); the rotating second turntable (44) drives the second turntable (31) to rotate; the second turntable (31) is rotated by the rotation of the second turntable (44). A plurality of heat dissipation nets (32) are provided on the housing (41), the heat dissipation nets (32) connecting the interior of the housing (41) with the outside, and the heat generated by the camera lens (7) is dissipated to the outside through the plurality of heat dissipation nets (32). A dust removal device (5) close to the second rotating disk (31) scrapes the plurality of heat dissipation nets (32). The second rotating disk (31) rotates intermittently, driving the plurality of heat dissipation nets (32) to rotate, so that dust accumulated on the heat dissipation nets (32) and the heat dissipation nets (32) are loosened. Each heat dissipation net (32) is kept clean by the scraping of the dust removal device (5).

6. The explosion-proof camera for mining operations according to claim 5, characterized in that: The driving device (2) comprises a driven rod (28) rotatably mounted between the partition (42) and the second rotating disk (31); an end of the driven rod (28) away from the second rotating disk (31) passes through the partition (42) and is fixedly connected to the first rotating disk (11); the driven rod (28) and the second rotating disk (31) are fixedly connected; the driven rod (28) rotates to drive the first rotating disk (11) and the second rotating disk (31) to rotate, and at the same time, dust on the protective lens (12) and the heat dissipation net (32) is loosened.

7. The explosion-proof camera for mining operations according to claim 6, characterized in that: A first mounting plate (21) and a second mounting plate (22) are fixedly mounted on the inner side wall of the bottom of the housing (41); the driven rod (28) penetrates and is rotatably mounted on the first mounting plate (21) and the second mounting plate (22); an active rod (29) is rotatably mounted below the driven rod (28); a motor (23) is fixedly mounted on one end of the active rod (29) close to the second rotating disk (31); a rotating shaft of the motor (23) drives the active rod (29) to rotate; a dial (25) is fixedly sleeved on one end of the active rod (29) close to the first rotating disk (11); a lever (26) is fixedly connected to one side of the lever (25) close to the first mounting plate (21); and a lever (26) is rotatably mounted on the other end of the lever (26). The slide post (27) is driven by the active rod (29) to rotate around the active rod (29). The driven rod (28) is provided with a groove wheel (24) at one end thereof close to the first rotating disk (11). The groove wheel (24) is arranged above the dial (25). The side wall of the groove wheel (24) is provided with a plurality of U-shaped grooves. The slide post (27) is engaged in the U-shaped groove. When the slide post (27) rotates around the active rod (29), the slide post (27) is sequentially engaged in the U-shaped groove and slides out of the U-shaped groove, driving the driven rod (28) and the groove wheel (24) to rotate intermittently. When the slide post (27) stays in the U-shaped groove, one of the protective lenses (12) stays in front of the camera lens (7).

8. The explosion-proof camera for mining operations according to claim 7, characterized in that: A protective cover is fixedly mounted above the housing (41); the dust removal device (5) comprises a connecting seat (51) fixedly mounted below the protective cover; a scraper (52) is slidably mounted on one side of the connecting seat (51); the scraper (52) contacts the protective lens (12) or the heat dissipation net (32); a plurality of screws are provided on the side wall of the connecting seat (51) to squeeze the scraper (52); and the scraper (52) is separated from the connecting seat (51) by loosening the screws.

Images