A camera anti-swing device under flexible support
A camera and rotor shaft technology, which is applied in the direction of supporting machines, mechanical equipment, machine platforms/supports, etc., can solve the problems of camera system shaking, shooting pictures that cannot meet the requirements of film and television, and the inability to isolate large swings of flexible systems, etc., to achieve suppression swing effect
Active Publication Date: 2017-05-24
BEIJING INST OF AEROSPACE CONTROL DEVICES
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Problems solved by technology
Due to the flexibility of the cableway, the accelerated movement of the camera traveling mechanism and emergency stop may cause the camera system to shake, making the shooting picture unable to meet the requirements of film and television
Under normal circumstances, it can only isolate high-frequency and small-scale disturbances from ordinary camera platforms, but cannot isolate the large swing of the flexible system, making the camera unable to shoot normally
Method used
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[0047] Such as figure 1 As shown, a camera axial stabilization device under flexible support includes an outer frame 1, an inner frame 2, a first electromagnetic damper 3, a second electromagnetic damper 4, a third electromagnetic damper 5, and a fourth electromagnetic damper 6, the first shaft end assembly 7, the second shaft end assembly 8, the third shaft end assembly 9, the fourth shaft end assembly 10, the connecting frame 11, the connecting rod 12, the upper connecting flange 13 and the lower connecting flange 14 ;
[0048] The outer frame 1 is a rectangular frame, and the inner frame 2 is a rectangular frame; the inner frame 2 is located at the center of the outer frame 1;
[0049] The connecting frame 11 is a hollow cuboid with connecting holes on its upper surface and lower surface;
[0050] There are C-shaped connecting holes on the opposite side of the connecting frame 11;
[0051] The connecting rod 12 passes through the connecting frame 11 through the connectin...
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The invention relates to a flexibly-supported video camera anti-swing device. The flexibly-supported video camera anti-swing device is mainly used for guaranteeing that an image shot through a video camera mounted on a flexible rope is stable. A fixing structure is arranged in the middle of a connecting frame and used for positioning a connecting rod. C-shaped clamping structures are arranged at the two ends of the connecting frame so that the position of the gravity center can be adjusted conveniently. An anti-swing mechanism has rotational freedom degrees in two directions. Due to the fact that the gravity center of the flexible rope is slightly low in the movement process, the connecting rod can be kept being perpendicular to the ground all the time. When a walking structure suddenly stops or suddenly decelerates, the rotation moment of the connecting rod by an inertial load is large, a large damping moment is generated by an electromagnetic damper, the freedom degree in the direction is restrained, rigid connection is formed, and swinging of the connecting rod is restrained; when the walking mechanism moves at a constant speed, response damping is provided by the damper, the swinging energy of the connecting rod is reduced, and the video camera is kept stable to the greatest extent.
Description
technical field [0001] The invention relates to an anti-swing device for a camera under flexible support, which is mainly used to ensure the stability of the shooting picture of the camera installed on the flexible cable. Background technique [0002] At present, in the fields of radio and television and film and television shooting, cableway cameras are increasingly widely used because of their unique shooting angle of view and convenient operation. Due to the flexibility of the cableway, the accelerated movement of the camera traveling mechanism and emergency stop may cause the camera system to shake, making the shooting pictures unable to meet the requirements of film and television. Under normal circumstances, it can only isolate high-frequency and small-scale disturbances from ordinary camera platforms, but cannot isolate the large-scale shaking of the flexible system, making the camera unable to shoot normally. If this shortcoming is to be overcome, the influence of t...
Claims
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IPC IPC(8): F16M11/04F16F15/03
Inventor 丁祝顺贾楠朱娜赵伟陈辰梁书利顾青山卢小东
Owner BEIJING INST OF AEROSPACE CONTROL DEVICES