A mining intrinsically safe dust removal spherical camera

Abstract

This utility model relates to an intrinsically safe dust removal dome camera for mining, including a camera body, a wiper, and a drive mechanism. The camera body is equipped with a dome cover. The drive mechanism includes a motor, a mounting base, a rotating block, and a connecting frame. The mounting base is fixedly mounted on the camera body. The rotating block is rotatably mounted inside the mounting base. The connecting frame is sleeved on the outside of the dome cover and is movably mounted on the rotating block via a slider assembly. It moves radially towards or away from the dome cover. The connecting frame is relatively fixed to the rotating block via a positioning pin. The motor is fixedly mounted on the camera body, and the motor's rotating shaft is fixedly connected to the rotating block. The rotating block drives the connecting frame to rotate around the dome cover. The wiper is detachably mounted on the side of the connecting frame closest to the dome cover. This intrinsically safe dust removal dome camera for mining facilitates wiper maintenance and replacement, is simple to operate, and has a short maintenance time.

Description

Technical Field

[0001] This utility model relates to the field of camera technology, and in particular to an intrinsically safe dust removal ball camera for mining. Background Technology

[0002] Cameras are widely used in various situations for real-time monitoring, with different data collected in different environments. Intrinsically safe dome cameras for mining are used in coal mines where there is a risk of gas and coal dust explosions. They are key equipment in the mining industry system for real-time image monitoring of major production processes, important equipment, and work positions. They typically use fiber optic cables, coaxial cables, or twisted-pair cables for transmission, and are compact in structure and small in size, making them suitable for practical use in coal mines. Currently, due to the harsh operating environment, existing intrinsically safe dome cameras for mining often experience dust accumulation on the dome, affecting detection accuracy and requiring windshield wipers to remove the dust from the dome surface.

[0003] Chinese utility model patent CN222234949U discloses an intrinsically safe spherical camera for mining. This camera utilizes a drive mechanism to move a windshield wiper across the surface of a dome, removing dust. The drive mechanism includes a motor and a connecting plate. The wiper is detachably mounted on the connecting plate, which comprises a first plate, a pressure plate, and a fixing plate. During wiper maintenance, the screws between the first plate and the pressure plate on the connecting plate are removed as needed to disassemble the pressure plate, wiper, and fixing plate. Then, the screws between the fixing plate and the pressure plate are removed to disassemble the wiper. Finally, the replaced wiper is placed on the pressure plate and connected to it with screws passing through the pressure plate. The pressure plate is then fixed to the first plate with screws. However, the wiper replacement process requires multiple screw tightening operations, and the screws are prone to falling off after being unscrewed, making the operation cumbersome and the maintenance time long.

[0004] Therefore, this utility model proposes an intrinsically safe dust removal ball camera for mining to solve the above problems. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide an intrinsically safe dust removal ball camera for mining, which is convenient for wiper maintenance and replacement, simple to operate, and has a short maintenance time.

[0006] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows: a mining intrinsically safe dust removal ball camera, including a camera body and a wiper, the camera body is provided with a ball cover, and the wiper is movably sleeved on the outside of the ball cover. Its innovation is that it also includes a drive mechanism.

[0007] The drive mechanism includes a motor, a mounting base, a rotating block, and a connecting frame. The mounting base is fixedly mounted on the camera body. The rotating block is rotatably mounted inside the mounting base. The connecting frame is sleeved on the outside of the dome cover. The connecting frame is movably mounted on the rotating block via a slider assembly and moves radially toward or away from the dome cover. The connecting frame is relatively fixed to the rotating block via a positioning pin. The motor is fixedly mounted on the camera body. The rotating shaft of the motor is fixedly connected to the rotating block and drives the connecting frame to rotate around the dome cover via the rotating block. The wiper is detachably mounted on the side of the connecting frame closest to the dome cover.

[0008] Furthermore, the slider assembly includes a slider and a guide rail. The guide rail is fixedly installed on the side of the rotating block away from the motor and extends radially along the rotating block. One side of the slider is fixedly connected to the connecting frame, and the other side is slidably installed on the guide rail.

[0009] Furthermore, the slider has a mounting groove for installing a positioning pin and allowing the positioning pin to move in or partially extend out. The positioning pin is movably mounted in the mounting groove by a spring. The guide rail has a first positioning groove and a second positioning groove sequentially along the extension direction. Under the action of the spring force, the positioning pin partially extends out of the mounting groove and enters the first positioning groove or the second positioning groove. When the connecting frame is pushed, causing the positioning pin on the slider to move into the first positioning groove, the wiper mounted on the connecting frame contacts and connects with the ball cover. When the connecting frame is pulled, causing the positioning pin on the slider to move into the second positioning groove, the wiper mounted on the connecting frame moves away from the ball cover.

[0010] Furthermore, both the slider and the rotating block adopt a cylindrical structure, and the positioning pin is coaxially arranged with the slider. When the positioning pin enters the first positioning groove, the positioning pin is coaxially arranged with the rotating block.

[0011] Furthermore, the wiper includes an integrally formed lip portion and a sleeve portion. The side wall of the connecting bracket near the bulb extends outward in the radial direction to form a sleeve protrusion. The sleeve portion has a sleeve groove for the sleeve protrusion to enter, and the sleeve protrusion is inserted into the sleeve groove.

[0012] Furthermore, the connecting frame has annular grooves around the protrusion for the fitting part to enter, and the end of the fitting part is inserted into the annular groove.

[0013] The advantages of this utility model are:

[0014] The wiper of this camera is detachably mounted on a connecting frame. The connecting frame is movably mounted on a rotating block via a slider assembly and is relatively fixed to the rotating block by a positioning pin. When the wiper needs maintenance, simply pull the connecting frame outward to move the wiper away from the bulb, remove the wiper from the connecting frame, and install a new wiper. Finally, push the connecting frame inward to make the new wiper contact the outer wall of the bulb, and use the positioning pin to fix the position of the connecting frame. This facilitates wiper maintenance and replacement, is simple to operate, and has a short maintenance time.

[0015] The slider assembly of this utility model achieves a movable connection between the connecting frame and the rotating block through the cooperation of the slider and the guide rail. It has a simple structure, high connection strength, and is not easily damaged.

[0016] This invention features two positioning grooves at different positions on the guide rail, corresponding to the wiper dust removal station and the wiper maintenance station, respectively. This facilitates the operator in positioning the slider, improves the positioning accuracy between the slider and the rotating block, and prevents the slider from detaching from the guide rail due to excessive operation.

[0017] The slider and rotating block of this utility model are both cylindrical structures. When the positioning pin enters the first positioning groove, the slider, positioning pin and rotating block are coaxially arranged. When the motor drives the rotating block to rotate, the slider and positioning pin have no centrifugal force, thereby avoiding the situation where the positioning pin is dislodged from the positioning groove and the slider moves relative to the rotating block, thus improving stability.

[0018] The wiper of this utility model achieves a detachable connection with the connecting frame through the mutual cooperation of the sleeve part and the sleeve protrusion, making installation and disassembly convenient.

[0019] This invention creates an annular groove around the protrusion of the mounting bracket, allowing the end of the mounting part to be inserted into the annular groove for positioning when it is fitted onto the outside of the protrusion, thus preventing the end of the mounting part from lifting up and improving the connection strength between the wiper and the connecting bracket. Attached Figure Description

[0020] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0021] Figure 1 This is a schematic diagram of the intrinsically safe dust removal ball camera for mining according to this utility model.

[0022] Figure 2 This is a top view of the intrinsically safe dust removal ball camera for mining according to this utility model.

[0023] Figure 3 This is a cross-sectional view of part AA of this utility model.

[0024] Figure 4This is an enlarged view of section C of this utility model.

[0025] Figure 5 This is a cross-sectional view of the BB section of this utility model.

[0026] Figure 6 This is an enlarged view of point D in this utility model.

[0027] Figure 7 This is a schematic diagram of the guide rail of this utility model mounted on the rotating block. Detailed Implementation

[0028] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0029] Example

[0030] like Figure 1-7 As shown, this embodiment provides an intrinsically safe dust removal spherical camera for mining, including a camera body 1, a wiper 4, and a drive mechanism 3. The bottom of the camera body 1 is provided with a spherical cover 2.

[0031] The drive mechanism 3 includes a motor 301, a mounting base 302, a rotating block 306, and a connecting frame 303. There are two mounting bases 302, both fixedly mounted on the camera body 1. The two mounting bases 302 are symmetrically mounted on both sides of the dome 2. There are two rotating blocks 306, each corresponding to a mounting base 302. The rotating blocks 306 are cylindrical. The mounting bases 302 have through holes for mounting the rotating blocks 306. The rotating blocks 306 are rotatably mounted in the through holes of the corresponding mounting bases 302 via bearings 304. The motor 301 is fixedly mounted on the camera body 1. The rotating shaft of the motor 301 is coaxially and fixedly connected to the rotating block 306 on the same side, and drives the connecting frame 303 to rotate around the dome 2 via the rotating block 306. The wiper 4 is mounted on the side of the connecting frame 303 closest to the dome 2 and moves synchronously with the connecting frame 303.

[0032] The connecting frame 303 adopts an arc-shaped structure that matches the shape of the spherical cover 2. The connecting frame 303 is sleeved on the outside of the spherical cover 2 and is movably mounted on the rotating block 306 via a slider assembly. It moves radially towards or away from the spherical cover 2 along the rotating block 306. The slider assembly has two sliders, each corresponding to one end of the connecting frame 303. The slider assembly includes a slider 305 and a guide rail 307. The guide rail 307 is fixedly mounted on the side of the rotating block 306 away from the motor 301 and extends radially along the rotating block 306. The slider 305 has a cylindrical structure. One side of the slider 305 is fixedly connected to the corresponding end of the connecting frame 303, and the other side is slidably mounted on the guide rail 307. Through the cooperation of the slider 305 and the guide rail 307, the slider assembly achieves a movable connection between the connecting frame 303 and the rotating block 306. This design is simple, has high connection strength, and is not easily damaged.

[0033] The connecting frame 303 is relatively fixed to the rotating block 306 by the positioning pin 308. There are two positioning pins 308, which correspond one-to-one with the two slider assemblies. Each slider assembly has a mounting groove on its slider 305 for mounting the positioning pin 308 and for the positioning pin 308 to move into or partially extend out. The positioning pin 308 is movably mounted in the mounting groove of the corresponding slider by the spring 309 and is coaxially arranged with the slider 305. The guide rail 307 has a first positioning groove 3071 and a second positioning groove 3072 sequentially along the extension direction. Under the elastic force of the spring 309, the positioning pin 308 partially extends out of the mounting groove and enters the first positioning groove 3071 or the second positioning groove 3072.

[0034] When the connecting frame 303 is pushed, causing the positioning pins 308 on each slider to move into the first positioning groove 3071, the wiper 4 mounted on the connecting frame 303 contacts and connects with the ball cover 2. At this time, the positioning pins 308 and the rotating block 306 are coaxially arranged, so the slider 305 and the rotating block 306 are coaxial. When the motor 301 drives the rotating block 306 to rotate, the slider 305 and the positioning pins 308 have no centrifugal force, thereby preventing the positioning pins 308 from disengaging from the positioning groove and the slider 305 from moving relative to the rotating block 306, improving stability and ensuring dust removal effect.

[0035] When the connecting bracket 303 is pulled, causing the positioning pins 308 on each slider to move into the second positioning groove 3072, the wiper 4 mounted on the connecting bracket 303 moves away from the bulb cover 2, leaving operating space for wiper maintenance. By opening two positioning grooves at different positions on the guide rail 307, corresponding to the wiper dust removal station and the wiper maintenance station respectively, it is convenient for operators to position the sliders, improving the positioning accuracy between the slider 305 and the rotating block 306, and preventing the slider 305 from disengaging from the guide rail 307 due to excessive operation. To enhance safety, a limit block 310 is installed at each end of each guide rail 307 to prevent the slider 305 from disengaging from the guide rail 307.

[0036] In this embodiment, the wiper 4 is detachably mounted on the side of the connecting frame 303 near the bulb cover 2. The wiper 4 includes an integrally formed lip portion 401 and a mounting portion 402. The side wall of the connecting frame 303 near the bulb cover 2 extends outward in the radial direction to form a mounting protrusion 3031. The mounting portion 402 has a mounting groove for the mounting protrusion 3031 to enter. The mounting protrusion 3031 is inserted into the mounting groove. The connecting frame 303 has an annular groove 3032 around the mounting protrusion 3031 for part of the mounting portion 402 to enter. The end of the mounting portion 402 is inserted into the annular groove 3032. The wiper 4 not only achieves a detachable connection with the connecting bracket 303 through the cooperation of the sleeve part 402 and the sleeve protrusion 3031, making installation and disassembly convenient, but also, by opening an annular groove 3032 around the sleeve protrusion 3031, the end of the sleeve part 402 can be inserted into the annular groove 3032 for limiting when it is sleeved on the outside of the sleeve protrusion 3031, preventing the end of the sleeve part 402 from lifting up and improving the connection strength between the wiper 4 and the connecting bracket 303.

[0037] Working principle: When dust removal is required, the positioning pin 308 is located in the first positioning groove 3071, the wiper 4 abuts against the outer wall of the ball cover 2, the motor 301 drives the rotating block 306 to rotate, the rotating block 306 drives the connecting frame 303 to rotate via the guide rail 307 and the slider 305, and the wiper 4 rotates with the connecting frame 303 to remove dust from the ball cover 2.

[0038] When wiper 4 needs maintenance, simply pull the connecting bracket 303 outward. The connecting bracket 303 drives the slider 305 to move along the guide rail 307, causing the positioning pin 308 to overcome the elastic force of the spring 309 and move out of the first positioning groove 3071. The positioning pin 308 then moves with the slider 305 to the second positioning groove 3072. Under the action of the spring 309, the positioning pin 308 enters the second positioning groove 3072. At this time, wiper 4 moves away from the bulb cover 2. Remove wiper 4 from the connecting bracket 303 and install a new wiper. Finally, push the connecting bracket 303 inward. The positioning pin 308 moves out of the second positioning groove 3072 and into the first positioning groove 3071. The new wiper then contacts the outer wall of the bulb cover 2, completing the wiper replacement. The operation is simple and the maintenance time is short.

[0039] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A mining intrinsically safe dust removal spherical camera, comprising a camera body and a wiper, wherein the camera body is provided with a spherical cover, and the wiper is movably sleeved on the outside of the spherical cover, characterized in that: It also includes the drive mechanism; The drive mechanism includes a motor, a mounting base, a rotating block, and a connecting frame. The mounting base is fixedly mounted on the camera body. The rotating block is rotatably mounted inside the mounting base. The connecting frame is sleeved on the outside of the dome cover. The connecting frame is movably mounted on the rotating block via a slider assembly and moves radially toward or away from the dome cover. The connecting frame is relatively fixed to the rotating block via a positioning pin. The motor is fixedly mounted on the camera body. The rotating shaft of the motor is fixedly connected to the rotating block and drives the connecting frame to rotate around the dome cover via the rotating block. The wiper is detachably mounted on the side of the connecting frame closest to the dome cover.

2. The intrinsically safe dust removal spherical camera for mining as described in claim 1, characterized in that: The slider assembly includes a slider and a guide rail. The guide rail is fixedly installed on the side of the rotating block away from the motor and extends radially along the rotating block. One side of the slider is fixedly connected to the connecting frame, and the other side is slidably installed on the guide rail.

3. The intrinsically safe dust removal spherical camera for mining as described in claim 2, characterized in that: The slider has a mounting groove for installing a positioning pin and allowing the positioning pin to move in or partially extend out. The positioning pin is movably mounted in the mounting groove by a spring. The guide rail has a first positioning groove and a second positioning groove in sequence along the extension direction. Under the action of the spring force, the positioning pin partially extends out of the mounting groove and enters the first positioning groove or the second positioning groove. When the connecting frame is pushed, causing the positioning pin on the slider to move into the first positioning groove, the wiper mounted on the connecting frame contacts and connects with the ball cover. When the connecting frame is pulled, causing the positioning pin on the slider to move into the second positioning groove, the wiper mounted on the connecting frame moves away from the ball cover.

4. The intrinsically safe dust removal spherical camera for mining as described in claim 3, characterized in that: Both the slider and the rotating block adopt a cylindrical structure. The positioning pin is coaxially arranged with the slider. When the positioning pin enters the first positioning groove, the positioning pin is coaxially arranged with the rotating block.

5. The intrinsically safe dust removal spherical camera for mining as described in claim 1, characterized in that: The wiper includes an integrally formed lip and a sleeve. The side wall of the connecting bracket near the bulb extends outward in the radial direction to form a sleeve protrusion. The sleeve has a sleeve groove for the sleeve protrusion to enter, and the sleeve protrusion is inserted into the sleeve groove.

6. The intrinsically safe dust removal spherical camera for mining according to claim 5, characterized in that: The connecting frame has annular grooves around the protrusion for the fitting part to enter, and the end of the fitting part is inserted into the annular groove.

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