CN115654307B - Multi-angle shooting live broadcast device with switchable lenses for large-scale competition sites - Google Patents
Multi-angle shooting live broadcast device with switchable lenses for large-scale competition sites Download PDFInfo
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- CN115654307B CN115654307B CN202211103508.5A CN202211103508A CN115654307B CN 115654307 B CN115654307 B CN 115654307B CN 202211103508 A CN202211103508 A CN 202211103508A CN 115654307 B CN115654307 B CN 115654307B
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Abstract
The invention discloses a multi-angle shooting live broadcast device with switchable lenses for a large-scale competition field, and relates to the technical field of shooting live broadcast. The invention comprises a camera module and a supporting frame, wherein the camera module is rotatably arranged on a telescopic rod assembly, the telescopic rod assembly is fixedly arranged on an adjusting assembly, the adjusting assembly is rotatably arranged on the supporting frame, a wire winding and unwinding assembly and a counterweight assembly are rotatably arranged on the telescopic rod assembly, a magnetic assembly is rotatably arranged on the adjusting assembly, a friction assembly is fixedly arranged on the adjusting assembly, the rotating radius of the camera module is controlled through the telescopic rod assembly, the bending degree of the telescopic rod assembly is reduced through the magnetic assembly and the wire winding and unwinding assembly when the camera module rotates, bending is avoided, the counterweight assembly is utilized to adjust the counterweight, and the adjusting assembly is easier to rotate through the friction assembly when large-angle rotation is needed.
Description
Technical Field
The invention relates to the technical field of shooting live broadcasting, in particular to a multi-angle shooting live broadcasting device with switchable lenses for a large-scale competition field.
Background
The broadcast television dictionary pair live broadcast is defined as a broadcast mode in which the later synthesis and broadcast of the broadcast television program are performed simultaneously. Broadcast occasions can be divided into live broadcast, broadcast studio or studio live broadcast and the like. The live broadcast of television refers to a broadcasting mode of television programs which are synchronously manufactured and broadcast along with the occurrence and development of field events, and is a broadcasting mode which fully reflects the broadcasting advantages of broadcasting television media, and in a large-scale competition field, because live broadcast contents need to be displayed at a plurality of visual angles, a plurality of cameras need to be arranged for cyclic switching, but frequent switching of visual angles can reduce the continuity of the whole live broadcast contents, and therefore, the angle and the distance of a single camera need to be adjusted at the same time so as to reduce the frequency of visual angle switching.
The patent with the publication number of CN204629020U provides an electric film shooting rocker arm, which comprises a cradle head support, a rocker arm and a rocker arm lifting column which are sequentially connected, wherein a camera installation cradle head plate is arranged on the cradle head support, a camera pitching motor, a cradle head rotating motor and a cradle head horizontal motor are used for controlling the movement of the camera installation cradle head plate, and the cradle head horizontal motor is used for controlling the horizontal degree, and each motor on the cradle head support is connected with a control device at the tail end of the rocker arm.
However, when the rocker arm is long, the problem of bending occurs in the prior art, so that a shot picture is unstable.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a live device is shot with multi-angle of interchangeable camera lens in large-scale competition field, includes camera module and support frame, the camera module rotate and install on the telescopic link subassembly, telescopic link subassembly fixed mounting is on adjusting part, adjusting part rotates and installs on the support frame, it installs receive and releases line subassembly and counter weight subassembly to rotate on the telescopic link subassembly, rotate on the adjusting part and install magnetic force subassembly, still fixed mounting has friction subassembly on the adjusting part, the radius of rotation through telescopic link subassembly control camera module, reduce the crookedness of telescopic link subassembly through magnetic force subassembly and receive and releases line subassembly when rotatory, avoid bending, utilize counter weight subassembly to adjust the counter weight, when needing the large-angle rotation, make adjusting part rotate more easily through friction subassembly.
Preferably, the telescopic link subassembly include the telescopic link support, rotate on the telescopic link support and be connected with lower axis of rotation, lower axis of rotation fixed connection is on the first end of telescopic link down, the second end of telescopic link rotates and is connected with the first end of telescopic link down, the second end of telescopic link rotates and is connected with the first end of last telescopic link, the second end of last telescopic link rotates and is connected on the epaxial of last adjustment frame, go up the adjustment frame and rotate and connect on the telescopic link support, go up the rotation and be connected with adjusting bolt on the adjustment frame.
Preferably, the winding and unwinding assembly comprises a circular support, wherein the circular support is fixedly connected with an upper winding and unwinding support, a blocking rod and a lower winding and unwinding support, the circular support is further rotationally connected with a winding rod, the winding rod is fixedly connected with a first end of a rope, a second end of the rope is fixedly connected with a first end of an upper telescopic rod, the lower winding and unwinding support is further fixedly connected with a first rotating shaft, and the first rotating shaft is rotationally connected with a second end of the upper telescopic rod.
Preferably, the counterweight assembly comprises a counterweight and a counterweight pull rod, the counterweight is slidably connected to the swinging rod, the counterweight pull rod is slidably connected to a hole on the counterweight, and a spring is arranged between the counterweight pull rod and the counterweight.
Preferably, the magnetic assembly comprises a magnetic friction wheel and a lower magnetic friction plate, wherein the magnetic friction wheel is rotationally connected to the first rotating shaft, the lower magnetic friction plate is fixedly connected to the first end of the spring, the second end of the spring is fixedly connected to the upper magnetic friction plate, the upper magnetic friction plate is fixedly connected to the outer rotating support, the outer rotating support is rotationally connected to the lower rotating support, and the lower rotating support is fixedly connected to the lower rotating ring frame.
Preferably, the friction assembly comprises a friction frame, a first end of the friction frame is fixedly connected with the upper adjusting bracket, a second end of the friction frame is slidably connected with a friction pull rod, a second end of the friction frame is fixedly connected with a friction spring, the friction spring is fixedly connected with a friction block, and the friction block is slidably connected with the groove on the upper adjusting bracket.
Preferably, the adjusting assembly comprises an adjusting toothed ring, the adjusting toothed ring is fixedly connected to the rotating main shaft, the rotating main shaft is rotatably mounted on an upper adjusting support, the upper adjusting support is fixedly connected to the rotating support, the rotating support is fixedly connected to an adjusting base, a gear rack is rotatably connected to the rotating support, a first gear is rotatably mounted on a shaft of the gear rack, a motor is fixedly connected to the adjusting base, a second gear is fixedly mounted on a shaft of the motor, and a lower rotating ring rack is rotatably mounted on the upper adjusting support.
Preferably, the support frame rotate and install on adjusting the base, the camera module include camera and fixing bolt, camera fixed mounting is on the camera support, fixing bolt rotates and installs on the telescopic link, the camera support passes through fixing bolt fixed mounting on the telescopic link.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a multi-angle shooting live broadcast device of a switchable lens for a large-scale competition field, which has the following beneficial effects: (1) The invention sets the winding and unwinding assembly to strengthen the bending resistance of the telescopic rod in the rotation direction from the vertical direction and the horizontal direction; (2) The invention provides auxiliary thrust during rotation through the magnetic force component; (3) The present invention controls rotational flexibility through a friction assembly.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of the telescopic rod assembly according to the present invention.
FIG. 3 is a schematic view of the magnetic assembly of the present invention.
FIG. 4 is a schematic diagram of a gear set configuration of the present invention.
Fig. 5 is a schematic view of a partial structure at a in fig. 2.
FIG. 6 is a schematic diagram of an exploded view of the tuning assembly of the present invention.
Fig. 7 is a cross-sectional view of an adjustment assembly of the present invention.
Fig. 8 is a schematic view of a partial structure at B in fig. 3.
In the figure: 1-a camera module; 2-a wire winding and unwinding assembly; 3-telescoping rod assembly; 4-a counterweight assembly; 5-a magnetic assembly; 6-a friction assembly; 7-an adjustment assembly; 8-supporting frames; 101-a camera; 102-a camera bracket; 103-fixing bolts; 201-a rope; 202-coiling and uncoiling an upper bracket; 203-winding the wire rod; 204-blocking lever; 205—a first rotation axis; 206-a circular stent; 207-coiling and uncoiling the lower bracket; 301-a telescopic link connection; 302-lower telescoping rod; 303-upper telescoping rod; 304-a swing lever; 305-telescopic rod support; 306-a lower rotating shaft; 307-upper adjusting frame; 308-adjusting bolts; 401-balancing weight; 402-a counterweight pull rod; 501-a magnetic friction wheel; 502-an outer rotating bracket; 503-a spring; 504-lower magnetic friction plate; 505-upper magnetic friction plate; 506-lower rotating support; 507-lower rotating ring frame; 601-friction rack; 602-friction tie rod; 603-friction springs; 604-friction blocks; 701-adjusting a toothed ring; 702—a first gear; 703-a second gear; 704-an electric motor; 705-adjusting the base; 706-rotating the support; 707-a carrier; 708-up-adjust the stent; 709-rotating the spindle.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the invention, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Referring to fig. 1, 2, 3, 4, 5, 6, 7 and 8, the present invention provides a technical solution: the utility model provides a live device is shot with multi-angle of interchangeable camera lens in large-scale competition field, includes camera module 1 and support frame 8, camera module 1 rotate and install on telescopic link subassembly 3, telescopic link subassembly 3 fixed mounting is on adjusting part 7, adjusting part 7 rotates and installs on support frame 8, it installs receive and releases subassembly 2 and counter weight subassembly 4 to rotate on the telescopic link subassembly 3, it installs magnetic force subassembly 5 to rotate on the adjusting part 7, still fixed mounting has friction subassembly 6 on the adjusting part 7, pass through the rotation radius of telescopic link subassembly 3 control camera module 1, reduce the crookedness of telescopic link subassembly 3 through magnetic force subassembly 5 and receive and release subassembly 2 when rotatory, avoid bending, utilize counter weight subassembly 4 to adjust the counter weight, when needing the large-angle rotation, make adjusting part 7 rotate more easily through friction subassembly 6.
As shown in fig. 2, the telescopic rod assembly 3 includes a telescopic rod support 305, a lower rotating shaft 306 is rotatably connected to the telescopic rod support 305, the lower rotating shaft 306 is fixedly connected to a first end of a lower telescopic rod 302, a second end of the lower telescopic rod 302 is rotatably connected to a first end of a telescopic rod connecting frame 301, a second end of the telescopic rod connecting frame 301 is rotatably connected to a first end of an upper telescopic rod 303, a second end of the upper telescopic rod 303 is rotatably connected to a shaft of an upper adjusting frame 307, the upper adjusting frame 307 is rotatably connected to the telescopic rod support 305, and an adjusting bolt 308 is rotatably connected to the upper adjusting frame 307.
The second end of the upper telescopic rod 303 is fixedly connected with a swinging rod 304, a torsion spring is arranged at the shaft connection part of the upper telescopic rod 303 and the upper adjusting frame 307, threads are arranged on the adjusting bolt 308, the adjusting bolt 308 is rotated to enable the adjusting bolt 308 to squeeze the upper telescopic rod 303, so that the angle between the upper telescopic rod 303 and the horizontal plane is reduced, the horizontal height of the camera is reduced, when the camera needs to be restored or lifted, the adjusting bolt 308 is reversely rotated, and the upper telescopic rod 303 is used for improving the angle between the upper telescopic rod 303 and the horizontal plane through the torsion spring, so that the horizontal height of the camera is restored or lifted. When in use, the telescopic lengths of the lower telescopic rod 302 and the upper telescopic rod 303 are adjusted to control the distance of the camera, and the space among the lower telescopic rod 302, the upper telescopic rod 303, the fixing bolt 103 and the telescopic rod support 305 is always kept in a parallelogram.
The winding and unwinding line assembly 2 comprises a circular support 206, wherein an upper winding and unwinding line support 202, a blocking rod 204 and a lower winding and unwinding line support 207 are fixedly connected to the circular support 206, a winding rod 203 is rotatably connected to the circular support 206, a first end of a rope 201 is fixedly connected to the winding rod 203, a second end of the rope 201 is fixedly connected to a first end of an upper telescopic rod 303, the lower winding and unwinding line support 207 is fixedly connected to a first rotating shaft 205, and the first rotating shaft 205 is rotatably connected to a second end of the upper telescopic rod 303.
When in use, the winding rod 203 is pulled out of the circular bracket 206, then the winding rod 203 is rotated, the length of the rope 201 is adjusted, the tension of the rope 201 to the first end of the upper telescopic rod 303 is controlled, after the adjustment is finished, the winding rod 203 is pushed back into the circular bracket 206, and the winding rod 203 is clamped by the blocking rod 204.
The counterweight assembly 4 comprises a counterweight 401 and a counterweight pull rod 402, wherein the counterweight 401 is slidably connected to the swinging rod 304, the counterweight pull rod 402 is slidably connected to a hole on the counterweight 401, and a spring is arranged between the counterweight pull rod 402 and the counterweight 401.
The counterweight pull rod 402 is matched with the counterweight 401 through the elasticity of the spring, so that the second end of the counterweight pull rod 402 positioned inside the counterweight 401 is tightly attached to the swinging rod 304, the position of the counterweight 401 is fixed, when the position needs to be adjusted, the first end of the counterweight pull rod 402 is pressed, the second end of the counterweight pull rod 402 is separated from the swinging rod 304, and the position of the counterweight 401 on the swinging rod 304 can be adjusted at the moment.
As shown in fig. 3, the magnetic assembly 5 includes a magnetic friction wheel 501 and a lower magnetic friction plate 504, the magnetic friction wheel 501 is rotatably connected to the first rotating shaft 205, the lower magnetic friction plate 504 is fixedly connected to a first end of a spring 503, a second end of the spring 503 is fixedly connected to an upper magnetic friction plate 505, the upper magnetic friction plate 505 is fixedly connected to an outer rotating bracket 502, the outer rotating bracket 502 is rotatably connected to a lower rotating bracket 506, and the lower rotating bracket 506 is fixedly connected to a lower rotating ring bracket 507.
The magnetic friction wheel 501 and the lower magnetic friction plate 504 are in friction connection, when the telescopic rod support 305 rotates on the axis on which the adjusting bolt 308 is located, the magnetic friction wheel 501 also rotates around the axis, the magnetic force between the magnetic friction wheel 501 and the lower magnetic friction plate 504 enables the magnetic friction wheel 501 to rotate at a certain angle during revolution, and further drives the take-up and pay-off lower support 207 to rotate at a certain angle, the revolution direction and the self-transmission direction of the magnetic friction wheel 501 are opposite, namely the magnetic friction wheel 501 rotates anticlockwise around the axis on which the adjusting bolt 308 is located, and the self-transmission direction of the magnetic friction wheel 501 is clockwise when seen from the side of the magnetic friction wheel 501 close to the balancing weight 401.
The magnetic friction wheel 501 rolls on the lower magnetic friction plate 504 and is connected together through magnetic force to increase the friction force of the two, so that power is provided, the magnetic friction wheel is suitable for sports scenes and is used for fast heel-shooting athletes, the angular acceleration of the telescopic rod around a circle is increased, and therefore, additional auxiliary force needs to be provided.
When the lower winding and unwinding bracket 207 rotates to the right, the rope 201 pulls the first end of the upper telescopic rod 303, so that the whole upper telescopic rod 303 rotates, the bending generated when the rod body of the upper telescopic rod 303 rotates is reduced on the transverse surface, and the three parts of the rope 201, the upper telescopic rod 303 and the lower winding and unwinding bracket 207 form a triangle through the rope 201 on the vertical surface, so that the deformation of the telescopic rod is reduced.
As shown in fig. 4, the friction assembly 6 includes a friction frame 601, a first end of the friction frame 601 is fixedly connected to the upper adjusting bracket 708, a second end of the friction frame 601 is slidably connected to a friction pull rod 602, a second end of the friction frame 601 is fixedly connected to a friction spring 603, the friction spring 603 is fixedly connected to a friction block 604, and the friction block 604 is slidably connected to a groove on the upper adjusting bracket 708.
The friction block 604 is tightly contacted with the gear frame 707 by the elastic force of the friction spring 603, the gear frame 707 is hard to rotate, when the gear frame 707 is required to rotate, a rope is tied on the friction pull rod 602, the friction pull rod 602 is pulled, the friction spring 603 is compressed, and the friction block 604 is not contacted with the gear frame 707.
The adjusting assembly 7 comprises an adjusting toothed ring 701, the adjusting toothed ring 701 is fixedly connected to a rotating main shaft 709, the rotating main shaft 709 is rotatably mounted on an upper adjusting bracket 708, the upper adjusting bracket 708 is fixedly connected to a rotating bracket 706, the rotating bracket 706 is fixedly connected to an adjusting base 705, a gear rack 707 is rotatably connected to the rotating bracket 706, a first gear 702 is rotatably mounted on the shaft of the gear rack 707, a motor 704 is fixedly connected to the adjusting base 705, a second gear 703 is fixedly mounted on the shaft of the motor 704, and a lower rotating ring rack 507 is rotatably mounted on the upper adjusting bracket 708.
The second gear 703 is meshed with three groups of first gears 702, the three groups of first gears 702 are meshed with the adjusting toothed ring 701, the telescopic rod support 305 is fixedly connected to the rotating main shaft 709, the motor 704 is started, the second gear 703 drives the first gears 702 to rotate, the first gears 702 drive the adjusting toothed ring 701 to rotate, the gear frame 707 is in close contact with the friction block 604, so that the gear frame 707 cannot rotate, the adjusting toothed ring 701 drives the rotating main shaft 709 to rotate, and the rotating main shaft 709 drives the telescopic rod support 305 to rotate, so that the upper structure is controlled to rotate.
The support frame 8 rotate and install on adjusting base 705, camera module 1 include camera 101 and fixing bolt 103, camera 101 fixed mounting is on camera support 102, fixing bolt 103 rotates and installs on telescopic link 301, camera support 102 passes through fixing bolt 103 fixed mounting on telescopic link 301.
When the camera needs to be rotated rapidly, the friction pull rod 602 is pulled to enable the friction block 604 not to be in close contact with the gear rack 707, at this time, the three groups of the first gears 702 and the gear rack 707 can be used as a whole, and the rotation resistance among the adjusting gear ring 701, the first gears 702, the second gears 703 and the gear rack 707 is reduced, so that the camera can be rotated rapidly.
When the camera rotates in a small range, the swinging rod 304 rotates between the two lower rotating brackets 506, and when the camera needs to rotate in a large range, the swinging rod 304 pushes the lower rotating brackets 506, and the lower rotating brackets 506 drive the lower rotating ring frame 507 to rotate.
In order to ensure accuracy and stability during electric adjustment, a reduction gear set is arranged, so that the reduction gear set is laborious, and the reduction gear set is invalid and is not laborious when being adjusted manually in a large range.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a large-scale live device of multi-angle shooting of interchangeable camera lens for competition field, includes camera module (1) and support frame (8), its characterized in that: the camera module (1) is rotatably mounted on the telescopic rod assembly (3), the telescopic rod assembly (3) is fixedly mounted on the adjusting assembly (7), the adjusting assembly (7) is rotatably mounted on the supporting frame (8), the winding and unwinding assembly (2) and the counterweight assembly (4) are rotatably mounted on the telescopic rod assembly (3), the magnetic assembly (5) is rotatably mounted on the adjusting assembly (7), the friction assembly (6) is fixedly mounted on the adjusting assembly (7), the rotating radius of the camera module (1) is controlled through the telescopic rod assembly (3), the bending degree of the telescopic rod assembly (3) is reduced through the magnetic assembly (5) and the winding and unwinding assembly (2) during rotation, the counterweight is adjusted through the counterweight assembly (4), and the adjusting assembly (7) is easier to rotate through the friction assembly (6) when large-angle rotation is needed;
the telescopic rod assembly (3) comprises a telescopic rod support (305), a lower rotating shaft (306) is rotatably connected to the telescopic rod support (305), the lower rotating shaft (306) is fixedly connected to the first end of a lower telescopic rod (302), the second end of the lower telescopic rod (302) is rotatably connected with the first end of a telescopic rod connecting frame (301), the second end of the telescopic rod connecting frame (301) is rotatably connected with the first end of an upper telescopic rod (303), the second end of the upper telescopic rod (303) is rotatably connected to the shaft of an upper adjusting frame (307), the upper adjusting frame (307) is rotatably connected to the telescopic rod support (305), and an adjusting bolt (308) is rotatably connected to the upper adjusting frame (307);
the winding and unwinding assembly (2) comprises a circular support (206), an upper winding and unwinding support (202), a blocking rod (204) and a lower winding and unwinding support (207) are fixedly connected to the circular support (206), a winding rod (203) is further rotatably connected to the circular support (206), a first end of a rope (201) is fixedly connected to the winding rod (203), a second end of the rope (201) is fixedly connected to a first end of an upper telescopic rod (303), the lower winding and unwinding support (207) is further fixedly connected to a first rotating shaft (205), and the first rotating shaft (205) is rotatably connected to a second end of the upper telescopic rod (303);
the magnetic force assembly (5) comprises a magnetic force friction wheel (501) and a lower magnetic force friction plate (504), wherein the magnetic force friction wheel (501) is rotationally connected to the first rotating shaft (205), the lower magnetic force friction plate (504) is fixedly connected to the first end of a spring (503), the second end of the spring (503) is fixedly connected to an upper magnetic force friction plate (505), the upper magnetic force friction plate (505) is fixedly connected to an outer rotating bracket (502), the outer rotating bracket (502) is rotationally connected to a lower rotating bracket (506), and the lower rotating bracket (506) is fixedly connected to a lower rotating ring frame (507);
the friction assembly (6) comprises a friction frame (601), wherein a first end of the friction frame (601) is fixedly connected to an upper adjusting bracket (708), a second end of the friction frame (601) is slidably connected with a friction pull rod (602), a first end of a friction spring (603) is fixedly connected to a second end of the friction frame (601), a second end of the friction spring (603) is fixedly connected to a friction block (604), and the friction block (604) is slidably connected to a groove on the upper adjusting bracket (708);
the adjusting assembly (7) comprises an adjusting toothed ring (701), the adjusting toothed ring (701) is fixedly connected to a rotating main shaft (709), the rotating main shaft (709) is rotatably mounted on an upper adjusting support (708), the upper adjusting support (708) is fixedly connected to a rotating support (706), the rotating support (706) is fixedly connected to an adjusting base (705), a gear rack (707) is rotatably connected to the rotating support (706), a first gear (702) is rotatably mounted on a shaft of the gear rack (707), a motor (704) is fixedly connected to the adjusting base (705), a second gear (703) is fixedly mounted on a shaft of the motor (704), a lower rotating annular rack (507) is rotatably mounted on the upper adjusting support (708), the adjusting toothed ring (701) is meshed with the first gear (702), and the first gear (702) is meshed with the second gear (703).
2. The multi-angle live shooting device for a large-scale playing field with switchable lenses according to claim 1, wherein: the counterweight assembly (4) comprises a counterweight (401) and a counterweight pull rod (402), the counterweight (401) is slidably connected to the swinging rod (304), the swinging rod (304) is fixedly connected to the second end of the upper telescopic rod (303), the counterweight pull rod (402) is slidably connected to a hole in the counterweight (401), and a spring is arranged between the counterweight pull rod (402) and the counterweight (401).
3. The multi-angle live shooting device for a large-scale playing field with switchable lenses according to claim 1, wherein: the camera module (1) comprises a camera (101) and a fixing bolt (103), wherein the camera (101) is fixedly arranged on a camera support (102), the fixing bolt (103) is rotatably arranged on a telescopic link connecting frame (301), and the camera support (102) is fixedly arranged on the telescopic link connecting frame (301) through the fixing bolt (103).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211103508.5A CN115654307B (en) | 2022-09-09 | 2022-09-09 | Multi-angle shooting live broadcast device with switchable lenses for large-scale competition sites |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211103508.5A CN115654307B (en) | 2022-09-09 | 2022-09-09 | Multi-angle shooting live broadcast device with switchable lenses for large-scale competition sites |
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| CN115654307B true CN115654307B (en) | 2023-05-05 |
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| CN111022869A (en) * | 2020-01-03 | 2020-04-17 | 青岛力韩数码科技有限公司 | Camera device with shockproof function |
| CN111271561A (en) * | 2020-03-11 | 2020-06-12 | 青岛联合创智科技有限公司 | Camera rotating holder capable of freely adjusting angle |
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