CN219339747U - Mounting cradle head camera - Google Patents

Abstract

The utility model discloses a mounting cradle head camera, which comprises a box body, a camera module, a U-shaped arm, a connecting arm and a yaw rotation plug-in joint, wherein the camera module is arranged in the box body; the two side arms of the U-shaped arm are respectively and rotatably connected with the two sides of the box body through a driving pitching rotary joint and a driven pitching rotary joint, one end of the connecting arm is rotatably connected with the U-shaped arm through a rolling rotary joint, the other end of the connecting arm is connected with a yaw rotary plug-in joint, and the yaw rotary plug-in joint is used for being physically and electrically connected with a mounting position; the outer wall of one side of the box body is fixedly provided with a hollow shaft communicated with the inside of the box body, the driven pitching rotary joint is sleeved and rotationally connected with the hollow shaft, and a first side arm of the U-shaped arm is fixedly connected with the driven pitching rotary joint; the U-shaped arm and the connecting arm are hollow, a control board is arranged in the connecting arm, and a first wire passing port and a second wire passing port which are communicated with the inside of the connecting arm are respectively arranged at two ends of the connecting arm.

Description

Mounting cradle head camera

Technical Field

The utility model belongs to the technical field of holders, and particularly relates to a holder-mounted camera.

Background

Unmanned aerial vehicle mount cloud deck cameras have been commonly applied to various industries, such as unmanned aerial vehicle intelligent patrol, outdoor shooting, etc.

The utility model patent with the application number 201721409743.X discloses a camera cradle head for an unmanned aerial vehicle, which comprises a mounting plate and a suspension motor, wherein the suspension motor is mounted on the bottom surface of the mounting plate, and further comprises an inclined arm, a first motor, a rolling arm, an arc-shaped arm, a second motor and a camera component, the top end of the inclined arm is fixed on an output shaft of the suspension motor, the first motor is mounted at the bottom end of the inclined arm, the output shaft of the first motor is fixed with the rolling arm, one end of the arc-shaped arm is connected with the rolling arm, the second motor is mounted at the other end of the arc-shaped arm, the output shaft of the second motor is connected with the camera component, and the camera component is positioned under the suspension motor.

The layout of the prior art is unreasonable, and the space of the inclined arm is not fully utilized, so that the weight and the volume are large, and the unmanned aerial vehicle load is greatly unfavorable for the cruising of the unmanned aerial vehicle.

Disclosure of Invention

Aiming at the problems in the background technology, the utility model aims to provide a mounting cradle head camera, which comprises a box body, a camera module, a U-shaped arm, a connecting arm and a yaw rotation plug-in joint, wherein the camera module is arranged in the box body;

the two side arms of the U-shaped arm are respectively and rotatably connected with the two sides of the box body through a driving pitching rotary joint and a driven pitching rotary joint, one end of the connecting arm is rotatably connected with the U-shaped arm through a rolling rotary joint, the other end of the connecting arm is connected with a yaw rotary plug-in joint, and the yaw rotary plug-in joint is used for being physically and electrically connected with a mounting position;

the outer wall of one side of the box body is fixedly provided with a hollow shaft communicated with the inside of the box body, the driven pitching rotary joint is sleeved and rotationally connected with the hollow shaft, and a first side arm of the U-shaped arm is fixedly connected with the driven pitching rotary joint; the U-shaped arm and the connecting arm are hollow, a control board is arranged in the connecting arm, and a first wire passing port and a second wire passing port which are communicated with the inside of the connecting arm are respectively arranged at two ends of the connecting arm;

the cable of the camera module is electrically connected with the control board through the hollow shaft, the inside of the U-shaped arm and the first wire passing port in sequence; the cable of the active pitching rotary joint is electrically connected with the control board through the inside of the U-shaped arm and the first wire passing port in sequence; the cable of the rolling rotary joint is electrically connected with the control board through the first wire passing port; the cable of the control board is electrically connected with the yaw rotation plug joint through the second wire passing port.

Preferably, waterproof filling materials are arranged in the hollow shaft and the first wire passing port;

the second wire passing opening is positioned at the joint of the yaw rotation joint and the connecting arm, a first waterproof sealing ring is arranged between the yaw rotation joint and the connecting arm, and the second wire passing opening is positioned in the first waterproof sealing ring.

Preferably, the case includes:

the front end and the rear end of the middle frame are both open;

the front shell component is arranged at the front end opening of the middle frame, and a second waterproof sealing ring is arranged between the front shell component and the middle frame;

the camera module is far away from the one end of preceding shell subassembly is equipped with the base, the base is located the rear end opening part of well frame and its week with be equipped with the third waterproof sealing circle between the well frame, the back cap closes on the base and with well frame links firmly, the back cap with be equipped with the fourth waterproof sealing circle between the base.

Preferably, the front shell assembly comprises a front shell, a lens support and a lens, wherein the lens support is arranged on the front shell, and the lens is arranged on the lens support.

Preferably, the active pitch rotation joint includes:

the motor fixing piece is fixedly arranged on the outer wall of one side of the box body;

and the stator of the pitching motor is fixedly connected with the second side arm of the U-shaped arm, and the rotor is fixedly connected with the motor fixing piece.

Preferably, the device further comprises a pitching encoder and a first protective cover, wherein the pitching encoder is fixedly arranged at one end, far away from the pitching motor, of the second side arm of the U-shaped arm, and the first protective cover is arranged on the pitching encoder, the second side arm of the U-shaped arm, the pitching motor and the motor fixing piece.

Preferably, a mounting hole is formed in the outer wall of one side of the box body, one end of the motor fixing piece extends into the box body through the mounting hole, and a fifth waterproof sealing ring is arranged between the peripheral side of the other end of the motor fixing piece and the outer wall of the box body.

Preferably, the driven pitch rotation joint includes:

the bearing is sleeved and fixedly connected with the hollow shaft;

the bearing sleeve is sleeved on the bearing, and the first side arm of the U-shaped arm is fixedly connected with the bearing sleeve.

Preferably, the bearing further comprises a second protective cover, and the second protective cover is covered on the first side arm of the U-shaped arm, the bearing sleeve and the bearing.

Preferably, the rolling rotary joint comprises a rolling motor, a first housing is arranged on the U-shaped arm, a second housing is arranged at one end, close to the U-shaped arm, of the connecting arm, one end of the rolling motor is arranged on the first housing, the other end of the rolling motor is arranged on the second housing, and a stator of the rolling motor is fixedly connected with the connecting arm, and a rotor of the rolling motor is fixedly connected with the U-shaped arm.

Preferably, the device further comprises a rolling encoder and an encoder cover plate, wherein the rolling encoder is arranged at one end of the second housing far away from the rolling motor, and the encoder cover plate is arranged on the rolling encoder in a covering mode.

Preferably, the connecting arm is provided with a mounting cavity with an opening at one end, the control board is arranged in the mounting cavity, a mounting cover plate is covered at the opening of the mounting cavity, and a sixth waterproof sealing ring is arranged between the mounting cover plate and the mounting cavity;

the first wire passing opening is arranged between the mounting cavity and the second housing.

Preferably, the yaw rotation joint comprises:

the plug bush is used for being clamped with the mounting position to realize physical connection;

the fixing ring is fixedly arranged in the plug bush;

the yaw motor is arranged in the connector sleeve, a stator of the yaw motor is fixedly connected to one end, close to the connecting arm, of the fixing ring, a rotor of the yaw motor is fixedly connected with the connecting arm, and the yaw motor is a hollow motor;

the electric connecting plug is fixedly arranged at one end, far away from the connecting arm, of the fixing ring, a cable of the control board penetrates through the yaw motor to be connected with the electric connecting plug, and the electric connecting plug is used for being electrically connected with the mounting position when the plug bush is clamped with the mounting position.

By adopting the technical scheme, the utility model has the following advantages and positive effects compared with the prior art:

1. the control board is arranged in the connecting arm, and the whole volume is smaller through reasonable wiring layout.

2. According to the utility model, the waterproof filling materials are arranged in the hollow shaft and the first wire passing opening, the first waterproof sealing ring, the second waterproof sealing ring, the third waterproof sealing ring, the fourth waterproof sealing ring, the fifth waterproof sealing ring and the sixth waterproof sealing ring are arranged, and the waterproof pitching motor, the rolling motor and the yaw motor are selected, so that the whole machine has a good waterproof effect. And meanwhile, the structure is simple, and the assembly and maintenance operations are convenient and time-saving.

Drawings

The utility model is described in further detail below with reference to the attached drawing figures, wherein:

FIG. 1 is an exploded view of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 in accordance with the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 1 in accordance with the present utility model;

FIG. 4 is an isometric view of the present utility model;

FIG. 5 is an exploded view of the yaw rotation joint of the present utility model.

Reference numerals illustrate:

1: a case body; 11: a middle frame; 12: a front shell; 13: a lens holder; 14: a lens; 15: a second waterproof seal ring; 16: a rear case; 161: a heat radiation hole; 17: a third waterproof seal ring; 18: a fourth waterproof seal ring; 19: a hollow shaft; 2: a camera module; 21: a base; 3: a U-shaped arm; 31: a first housing; 4: a connecting arm; 41: a second housing; 42: a mounting cavity; 43: installing a cover plate; 44: a sixth waterproof seal ring; 45: a first wire passing port; 46: a second wire passing port; 47: a first waterproof seal ring; 48: a control board; 5: yaw rotation plug-in joint; 51: a plug bush; 52: a fixing ring; 53: a yaw motor; 54: an electrical connection plug; 6: actively pitching the rotary joint; 61: a motor fixing member; 62: a pitch motor; 63: a pitch encoder; 64: a first shield; 65: first decorative cover plate: 66: fifth waterproof sealing ring: 7: a driven pitch rotation joint; 71: a bearing; 72: a bearing sleeve; 73: a second shield; 74: a second decorative cover plate; 8: rolling the rotary joint; 81: a tumbling motor; 82: a tumble encoder; 83: an encoder cover plate; 84: an encoder magnetic ring; 9: SD card slot rubber cover.

Detailed Description

The utility model is described in further detail below with reference to the drawings and the specific examples. The advantages and features of the present utility model will become more apparent from the following description. It is noted that the drawings are in a very simplified form and utilize non-precise ratios, and are intended to facilitate a convenient, clear, description of the embodiments of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Referring to fig. 1 to 4, the core of the present utility model is to provide a cradle head camera, which comprises a box body 1, a camera module 2, a U-shaped arm 3, a connecting arm 4 and a yaw rotation plug-in joint 5.

The camera module 2 is arranged in the box body 1, and the camera module 2 is a 4K photographing + infrared function camera. The two side arms of the U-shaped arm 3 are respectively connected with the two sides of the box body 1 in a rotating way through a driving pitching rotary joint 6 and a driven pitching rotary joint 7, the connecting arm 4 is hollow, and a control board 48 is arranged in the connecting arm 4. One end of the connecting arm 4 is rotationally connected with the U-shaped arm 3 through a rolling rotary joint 8, the other end of the connecting arm is connected with a yaw rotary joint 5, the yaw rotary joint 5 is used for being physically connected with and electrically connected with a mounting position, for example, the yaw rotary joint is connected with a mounting position on an unmanned aerial vehicle in a mounting manner, and the electric connection is realized simultaneously after the mounting connection so as to transmit electric power and information.

The case 1 includes a center 11, a front case assembly, and a rear case 16. The front end and the rear end of the middle frame 11 are both open, the front shell component is arranged at the front end opening of the middle frame 11, a second waterproof sealing ring 15 is arranged between the front shell component and the middle frame 11, the front shell component comprises a front shell 12, a lens support 13 and a lens 14, the lens support 13 is arranged on the front shell 12, the lens 14 is arranged on the lens support 13, and the second waterproof sealing ring 15 is arranged between the front shell 12 and the middle frame 11. The rear shell 16 is arranged at the rear end opening of the middle frame 11 and is provided with a plurality of heat dissipation holes 161, one end of the camera module 2, far away from the front shell component, is provided with a base 21, the base 21 is arranged at the rear end opening of the middle frame 11 and is provided with a third waterproof sealing ring 17 between the periphery of the base 21 and the middle frame 11, the rear shell 16 is covered on the base 21 and is fixedly connected with the middle frame 11, a fourth waterproof sealing ring 18 is arranged between the rear shell 16 and the base 21, and water is prevented from entering the box body 1 from the heat dissipation holes 161 on the rear shell 16. The middle frame 11 is also provided with an SD card slot rubber cover 9 for inserting the SD card into the camera module 2.

The outer wall of one side of the box body 1 is fixedly provided with a hollow shaft 19 communicated with the inside of the box body, the driven pitching rotary joint 7 is sleeved and rotationally connected with the hollow shaft 19, and the first side arm of the U-shaped arm 3 is fixedly connected with the driven pitching rotary joint 7.

Specifically, the driven pitch rotation joint 7 includes a bearing 71 and a bearing sleeve 72, the bearing sleeve 72 is provided and fixedly connected to the hollow shaft 19, the bearing sleeve 72 is sleeved on the bearing 71, and the first side arm of the u-shaped arm 3 is fixedly connected with the bearing sleeve 72. The novel U-shaped arm comprises a U-shaped arm 3, and is characterized by further comprising a second protective cover 73, wherein the second protective cover 73 is covered on the first side arm of the U-shaped arm 3, a bearing sleeve 72 and a bearing 71, the second protective cover 73 is fixedly connected with the first side arm of the U-shaped arm 3 through screws, and a second decorative cover plate 74 is further arranged on the second protective cover 73.

The active pitching rotary joint 6 comprises a motor fixing piece 61 and a motor fixing piece 61, wherein the motor fixing piece 61 is fixedly arranged on the outer wall of one side of the box body 1, a mounting hole is formed in the outer wall of one side of the specific box body 1, one end of the motor fixing piece 61 stretches into the box body 1 through the mounting hole, and a fifth waterproof sealing ring 66 is arranged between the peripheral side of the other end of the motor fixing piece 61 and the outer wall of the box body 1. The stator of the pitching motor 62 is fixedly connected with the second side arm of the U-shaped arm 3, and the rotor is fixedly connected with the motor fixing piece 61. The device further comprises a pitching encoder 63 and a first protective cover 64, wherein the pitching encoder 63 is fixedly arranged at one end, far away from the pitching motor 62, of the second side arm of the U-shaped arm 3, the first protective cover 64 is covered on the pitching encoder 63, the second side arm of the U-shaped arm 3, the pitching motor 62 and the motor fixing piece 61, the first protective cover 64 passes through a through hole in the pitching encoder 63 through a screw to be fixed in a screw hole of the pitching motor 62, a measuring point of the pitching encoder 63 passes through a stator of the pitching motor 62 to be connected with a rotor of the pitching motor 62, the pitching encoder 63 is used for measuring a pitching rotation angle, and a first decorative cover plate 65 is further arranged on the first protective cover 64.

The rolling rotary joint 8 comprises a rolling motor 81, a first housing 31 is arranged on the U-shaped arm 3, a second housing 41 is arranged at one end, close to the U-shaped arm 3, of the connecting arm 4, one end of the rolling motor 81 is arranged on the first housing 31, the other end of the rolling motor 81 is arranged on the second housing 41, a stator of the rolling motor 81 is fixedly connected with the connecting arm 4, and a rotor of the rolling motor is fixedly connected with the U-shaped arm 3. The device further comprises a rolling encoder 82 and an encoder cover plate 83, wherein an encoder magnetic ring 84 is arranged on the rolling encoder 82, the rolling encoder 82 is arranged at one end, far away from the rolling motor 81, of the second housing 41, a measuring point of the rolling encoder 82 penetrates through a stator of the rolling motor 81 to be connected with a rotor of the rolling motor, and the encoder cover plate 83 is arranged on the rolling encoder 82 in a covering mode. The pitch motor 62, the roll motor 81 and the yaw rotation joint 5 are waterproof.

The connecting arm 4 is provided with a mounting cavity 42 with one end open, a control board 48 is arranged in the mounting cavity 42, a mounting cover plate 43 is covered at the opening of the mounting cavity 42, and a sixth waterproof sealing ring 44 is arranged between the mounting cover plate 43 and the mounting cavity 42.

The U-shaped arm 3 is hollow, and the both ends of linking arm 4 are equipped with the first line mouth 45 and the second line mouth 46 of crossing that connect its internally mounted chamber 42 respectively, and first line mouth 45 locates between installation chamber 42 and the second housing 41, and the second passes line mouth 46 and is located the junction of yaw rotation joint 5 and linking arm 4, and is equipped with first waterproof sealing circle 47 between yaw rotation joint 5 and the linking arm 4, and second line mouth 46 is located first waterproof sealing circle 47.

Yaw swivel joint 5 includes a socket 51, a retaining ring 52, a yaw motor 53, and an electrical connection plug 54. The socket 51 is used for being clamped with the mounting position to realize physical connection, and can be specifically clamped and fixed through a clamping slot and other modes. The fixing ring is fixedly arranged in the plug bush through a screw.

The yaw motor 53 is arranged in the connector sleeve 51, the stator of the yaw motor 53 is fixedly connected to one end, close to the connecting arm 4, of the fixed ring 52 through screws, the rotor of the yaw motor 53 is fixedly connected with the connecting arm 4 through screws, and the yaw motor 53 is a hollow motor.

The electric connecting plug 54 is fixedly arranged at one end of the fixing ring 52 far away from the connecting arm 4, the cable of the control board 48 passes through the yaw motor 53 to be connected with the electric connecting plug 54, and the electric connecting plug 54 is used for being electrically connected with a socket at the mounting position when the plug bush 51 is clamped with the mounting position.

The cables of the camera module 2 are electrically connected with the control board 48 through the hollow shaft 19, the notch on the bearing sleeve 72, the inside of the U-shaped arm 3 and the first wire passing port 45 in sequence. The cables of the pitching motor 62 are electrically connected with the control board 48 through the inside of the U-shaped arm 3 and the first wire passing port 45 in sequence. The cable of the tumble rotary joint 8 is electrically connected to the control board 48 via the first wire passing port 45. The cables of the control board 48 are connected to the electrical connection plug 54 via the second wire passing port 46 and the yaw motor 53. A waterproof filler material is provided in the hollow shaft 19 and in the first wire passing opening 45 to prevent water from entering the inside of the case 1 and the connection arm 4.

The utility model is a waterproof 4K+ infrared triaxial moving camera of the whole machine, and the whole volume is smaller and the functions are more powerful at the same time by arranging the control board 48 in the connecting arm 4 and by reasonable wiring layout. By arranging waterproof filler materials in the hollow shaft 19 and the first wire passing opening 45, the first waterproof sealing ring 47, the second waterproof sealing ring 15, the third waterproof sealing ring 17, the fourth waterproof sealing ring 18, the fifth waterproof sealing ring 66 and the sixth waterproof sealing ring 44 are arranged, and the waterproof pitching motor 62, the rolling motor 81 and the yaw rotary plug joint 5 are selected, so that the whole machine has good waterproof effect. And meanwhile, the structure is simple, and the assembly and maintenance operations are convenient and time-saving.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiments. Even if various changes are made to the present utility model, it is within the scope of the appended claims and their equivalents to fall within the scope of the utility model.

Claims (13)

1. The mounting cradle head camera is characterized by comprising a box body, a camera module, a U-shaped arm, a connecting arm and a yaw rotation plug-in joint, wherein the camera module is arranged in the box body;

the two side arms of the U-shaped arm are respectively and rotatably connected with the two sides of the box body through a driving pitching rotary joint and a driven pitching rotary joint, one end of the connecting arm is rotatably connected with the U-shaped arm through a rolling rotary joint, the other end of the connecting arm is connected with a yaw rotary plug-in joint, and the yaw rotary plug-in joint is used for being physically and electrically connected with a mounting position;

the outer wall of one side of the box body is fixedly provided with a hollow shaft communicated with the inside of the box body, the driven pitching rotary joint is sleeved and rotationally connected with the hollow shaft, and a first side arm of the U-shaped arm is fixedly connected with the driven pitching rotary joint; the U-shaped arm and the connecting arm are hollow, a control board is arranged in the connecting arm, and a first wire passing port and a second wire passing port which are communicated with the inside of the connecting arm are respectively arranged at two ends of the connecting arm;

the cable of the camera module is electrically connected with the control board through the hollow shaft, the inside of the U-shaped arm and the first wire passing port in sequence; the cable of the active pitching rotary joint is electrically connected with the control board through the inside of the U-shaped arm and the first wire passing port in sequence; the cable of the rolling rotary joint is electrically connected with the control board through the first wire passing port; the cable of the control board is electrically connected with the yaw rotation plug joint through the second wire passing port.

2. The mount pan-tilt camera of claim 1, wherein waterproof filler material is disposed in the hollow shaft and in the first wire passing opening;

the second wire passing opening is positioned at the joint of the yaw rotation joint and the connecting arm, a first waterproof sealing ring is arranged between the yaw rotation joint and the connecting arm, and the second wire passing opening is positioned in the first waterproof sealing ring.

3. The mount pan-tilt camera of claim 1, wherein the case comprises:

the front end and the rear end of the middle frame are both open;

the front shell component is arranged at the front end opening of the middle frame, and a second waterproof sealing ring is arranged between the front shell component and the middle frame;

the camera module is far away from the one end of preceding shell subassembly is equipped with the base, the base is located the rear end opening part of well frame and its week with be equipped with the third waterproof sealing circle between the well frame, the back cap closes on the base and with well frame links firmly, the back cap with be equipped with the fourth waterproof sealing circle between the base.

4. A cradle head camera according to claim 3, wherein the front housing assembly comprises a front housing, a lens support and a lens, the lens support being provided on the front housing, the lens being provided on the lens support.

5. The mount pan-tilt camera of claim 1, wherein the active pitch rotation joint comprises:

the motor fixing piece is fixedly arranged on the outer wall of one side of the box body;

and the stator of the pitching motor is fixedly connected with the second side arm of the U-shaped arm, and the rotor is fixedly connected with the motor fixing piece.

6. The mount pan-tilt camera of claim 5, further comprising a pitch encoder and a first shield, wherein the pitch encoder is fixedly disposed on an end of the second side arm of the U-shaped arm away from the pitch motor, and the first shield is disposed on the pitch encoder, the second side arm of the U-shaped arm, the pitch motor, and the motor mount.

7. The camera of claim 5, wherein a mounting hole is formed in an outer wall of one side of the case, one end of the motor fixing member extends into the case through the mounting hole, and a fifth waterproof sealing ring is arranged between a peripheral side of the other end of the motor fixing member and an outer wall of the case.

8. The mount pan-tilt camera of claim 1, wherein the slave pitch rotation joint comprises:

the bearing is sleeved and fixedly connected with the hollow shaft;

the bearing sleeve is sleeved on the bearing, and the first side arm of the U-shaped arm is fixedly connected with the bearing sleeve.

9. The mount pan-tilt camera of claim 8, further comprising a second shield covering the first side arm of the U-arm, the bearing housing, and the bearing.

10. The mount pan-tilt camera of claim 1, wherein the roll-over rotary joint comprises a roll-over motor, a first housing is arranged on the U-shaped arm, a second housing is arranged at one end of the connecting arm, which is close to the U-shaped arm, one end of the roll-over motor is arranged on the first housing, the other end of the roll-over motor is arranged on the second housing, a stator of the roll-over motor is fixedly connected with the connecting arm, and a rotor of the roll-over motor is fixedly connected with the U-shaped arm.

11. The mount pan-tilt camera of claim 10, further comprising a roll encoder and an encoder cover, the roll encoder being disposed at an end of the second housing remote from the roll motor, the encoder cover being disposed at the roll encoder.

12. The mounting pan-tilt camera according to claim 10, wherein the connecting arm is provided with a mounting cavity with an opening at one end, the control board is arranged in the mounting cavity, a mounting cover plate is covered at the opening of the mounting cavity, and a sixth waterproof sealing ring is arranged between the mounting cover plate and the mounting cavity;

the first wire passing opening is arranged between the mounting cavity and the second housing.

13. The mount pan-tilt camera of claim 1, wherein the yaw swivel joint comprises:

the plug bush is used for being clamped with the mounting position to realize physical connection;

the fixing ring is fixedly arranged in the plug bush;

the yaw motor is arranged in the connector sleeve, a stator of the yaw motor is fixedly connected to one end, close to the connecting arm, of the fixing ring, a rotor of the yaw motor is fixedly connected with the connecting arm, and the yaw motor is a hollow motor;

the electric connecting plug is fixedly arranged at one end, far away from the connecting arm, of the fixing ring, a cable of the control board penetrates through the yaw motor to be connected with the electric connecting plug, and the electric connecting plug is used for being electrically connected with the mounting position when the plug bush is clamped with the mounting position.

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