CN211391723U

CN211391723U - Be applied to unmanned aerial vehicle of making a video recording and control no backlash gear motor of cloud platform

Info

Publication number: CN211391723U
Application number: CN201921061220.XU
Authority: CN
Inventors: 邢兰桂; 马瑞伍; 温英杰; 黎冬阳
Original assignee: Guangdong Kingly Gear Co Ltd
Current assignee: Guangdong Kingly Gear Co Ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-09-01
Anticipated expiration: 2029-07-08

Abstract

The utility model discloses a be applied to no backlash gear motor of unmanned aerial vehicle control cloud platform of making a video recording belongs to gear motor technical field, including positioning support frame, servo drive arrangement and spacing clamping device, servo drive arrangement connects the linkage part including bearing installation part, location drive part and biography, and spacing clamping device includes vertical column spinner and can rotate the clamping part who installs in vertical column spinner bottom, and the first half cover of vertical column spinner is established on the output that the biography connects the linkage part. The utility model discloses a nut of screwing adjusts first axial pressure spring and second axial pressure spring, makes two first skewed tooth roller gear's tooth flank paste respectively and tightly in the tooth's socket left and right sides of third skewed tooth roller gear and fifth skewed tooth roller gear to eliminated the clearance, stability when improving power and switching-over can change the adjustment to shooting angle in the high altitude, shoots out the scenery of different positions.

Description

Be applied to unmanned aerial vehicle of making a video recording and control no backlash gear motor of cloud platform

Technical Field

The utility model belongs to the technical field of the gear motor technique and specifically relates to a be applied to no backlash gear motor of unmanned aerial vehicle control cloud platform of making a video recording.

Background

The unmanned aerial vehicle is an unmanned aerial vehicle controlled by a radio remote control device or an onboard computer program control system. The unmanned aerial vehicle has the advantages of simple structure and low use cost, not only can complete the task executed by the piloted aircraft, but also is more suitable for the task which is not suitable for being executed by the piloted aircraft. The emergency early warning device has great effects on emergency and early warning of emergencies.

Because the prior art has the clamp for clamping the machine to be photographed or shot, because the machine needs to be multi-directional and multi-angle in the photographing or shooting process, the whole clamp needs to be capable of performing position rotation and angle adjustment, and a mechanical driving mode is needed to drive the clamp to perform angle rotation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be applied to no backlash gear motor of unmanned aerial vehicle control cloud platform of making a video recording to solve the technical problem among the prior art.

The utility model provides a be applied to no backlash gear motor of unmanned aerial vehicle control cloud platform of making a video recording, including positioning support frame, servo drive and spacing clamping device, positioning support frame installs the top at servo drive, spacing clamping device installs the bottom at servo drive, servo drive connects the linkage part including bearing installation component, location drive part and biography, the biography connects the linkage part setting in bearing the installation component, one side in positioning support frame bottom is installed to location drive part, location drive part connects the linkage part transmission with the biography and is connected, spacing clamping device includes vertical column spinner and can rotate the clamping part of installing in vertical column spinner bottom, the first half cover of vertical column spinner is established on the output that biography connects the linkage part.

Further, it includes dysmorphism mounting panel, position fixing cover and a plurality of positioning bolt to bear the installation component, position fixing support frame's bottom four corners is equipped with a spliced pole respectively, four the spliced pole respectively with the four corners one-to-one at dysmorphism mounting panel top, the top at the dysmorphism mounting panel is established to the position fixing cover, connect through a plurality of positioning bolt between dysmorphism mounting panel and the position fixing cover, the top both ends of position fixing cover all are equipped with circular through groove, the bottom of dysmorphism mounting panel is equipped with the circular logical groove that supplies vertical column swivel to run through, under the mounted state, vertical column swivel runs through circular groove in proper order and one of them circular through groove.

Further, the positioning driving component comprises a driving motor, a transmission shaft, a first axial compression spring, a screwing nut, a second axial compression spring and two first helical gear, the driving motor is arranged at one end of the upper top of the positioning cover, the two first helical gear cylindrical gears are arranged in the positioning cover and are formed in a stacking mode, one end of the transmission shaft is fixedly connected with a main shaft of the driving motor, the other end of the transmission shaft penetrates through the circular through groove to be fixedly connected with the first helical gear, the screwing nut is fixed at the bottom end of the transmission shaft, the bottom end of the first axial pressure spring is meshed with a first helical gear sleeved on the upper half part of the transmission shaft, the top end of the first axial pressure spring is connected with a top wall in the positioning cover in an abutting mode, the second axial pressure spring is arranged between the two first helical gear wheels, and the first axial pressure spring and the second axial pressure spring are sleeved on the transmission shaft.

Further, the transmission and connection linkage component comprises a first transmission and connection assembly, a second transmission and connection assembly and a second helical gear, the first transmission and connection assembly and the second transmission and connection assembly are respectively in transmission connection with the two first helical gears, the first transmission and connection assembly and the second transmission and connection assembly are both in transmission connection with the second helical gear, the first transmission and connection assembly comprises a first positioning shaft, a third helical gear and a fourth helical gear, the first positioning shaft is arranged on the special-shaped mounting plate along the vertical direction, the third helical gear and the fourth helical gear are sequentially arranged on the first positioning shaft, the third helical gear is meshed with one of the first helical gears, the fourth helical gear is meshed with the second helical gear, the second transmission and connection assembly comprises a second positioning shaft, a fifth helical gear and a sixth helical gear, the second positioning shaft is arranged on the special-shaped mounting plate along the vertical direction, the fifth helical gear and the sixth helical gear are sequentially arranged on the second positioning shaft, the fifth helical gear is meshed with the other first helical gear, the sixth helical gear is meshed with the second helical gear, the top end of the vertical rotating column penetrates through the middle of the special-shaped mounting plate and the second helical gear and is fixedly connected with the middle of the vertical rotating column, and the vertical rotating column is arranged in a vertical state.

Further, the two first helical gears have the same thickness, the third helical gear and the fifth helical gear have the same thickness, the first helical gear has a thickness larger than that of the third helical gear, the sixth helical gear has a thickness larger than that of the fourth helical gear, the tooth diameters of the first helical gear, the third helical gear, the fifth helical gear and the second helical gear are sequentially increased, the tooth diameters of the third helical gear and the fifth helical gear are the same, and the tooth diameters of the fourth helical gear and the sixth helical gear are the same.

Furthermore, the clamping component comprises a locking installation sleeve column, an adjusting locking component and a positioning clamping component, the locking installation sleeve column is locked on the vertical rotating column through a plurality of positioning screws, the adjusting locking component is installed at the bottom end of the locking installation sleeve column, the positioning clamping component is locked on the locking installation sleeve column through the positioning clamping component, and the positioning clamping component can rotate around the rotating direction of the adjusting locking component.

Further, the middle part of locking installation cover post bottom is equipped with the rectangle and runs through the groove, and this rectangle runs through the groove and runs through locking installation cover post along the horizontal direction, the both sides of locking installation cover post bottom are equipped with the mounting groove, it includes rotation regulation head and fixation nut to adjust the locking subassembly, the locking installation cover post is run through to the one end of rotation regulation head, fixation nut will lock the tip locking of installation cover post on the lateral wall of locking installation cover post, the rectangle runs through all to be equipped with ring groove on the wall of groove both sides, under the lock-out state, the joint end of location centre gripping subassembly cooperates with the ring groove joint of both sides wall.

Further, location centre gripping subassembly includes first locking portion, second sticking portion and joint lock post, first locking portion and second sticking portion all contradict the cooperation with the joint lock post, the joint lock post includes integrated into one piece's conflict cylinder and locking joint board, the back fixed connection of conflict cylinder one end and first locking portion, the locking joint board is installed at the cylindrical other end of contradicting, the both sides of locking joint board are equipped with the annular fixture block of ring groove one-to-one joint respectively, be equipped with circular mounting groove on the lateral wall of locking joint board, and circular mounting groove sets up the middle part at annular fixture block.

Further, the first locking portion and the second locking portion are identical in structure, the first locking portion comprises a positioning buckling plate, two extending columns and two positioning springs, the two extending columns are arranged on the side wall of the positioning buckling plate at intervals, one end of each extending column is fixed to the positioning buckling plate, the other end of each extending column penetrates through the position of the corresponding abutting cylinder to extend to the other positioning buckling plate along the horizontal direction, the two positioning springs are respectively sleeved on the two extending columns, one end of each positioning spring is fixed to the end portion of each extending column, the other end of each positioning spring is pressed to the corresponding abutting cylinder, a fixing plate and a transverse hooking plate are arranged between the positioning buckling plates, and the end portions of the transverse hooking plates are installed on the fixing plate.

Compared with the prior art, the beneficial effects of the utility model reside in that:

one of them, when the angle of shooing needs to be adjusted at the shooting operation in-process, just can drive to pass through the location drive part of installing on the location support frame and connect the linkage part and rotate, because pass and connect the linkage part and be connected with the transmission of vertical column spinner, because the clamping part cover is established on vertical column spinner, through location drive part with power transmission to pass and connect the linkage part on, pass and connect the linkage part again with the continuous transmission of power to vertical column spinner on, and then can drive the clamping part and rotate, the equipment of realizing treating the shooting carries out the rotation driving operation, can change the adjustment to shooting angle in the high altitude, shoot the scenery of different positions.

Two first helical gear cylinders are sleeved on a transmission shaft by keys and do not rotate relatively, the two first helical gear cylinders are meshed with a third helical gear and a fifth helical gear cylinder simultaneously, a first axial pressure spring and a second axial pressure spring are adjusted by screwing nuts, the first axial pressure spring is arranged between one first helical gear and a positioning cover, the second axial pressure spring is arranged between the two first helical gear cylinders and can stably fix the two first helical gear cylinders, the tooth sides of the two first helical gear cylinders are respectively attached to the left side and the right side of tooth grooves of the third helical gear and the fifth helical gear cylinder, gaps are eliminated, the adjustment of the spring pressure is proper, the pressure cannot be eliminated, the excessive pressure can lead the gear to be worn too fast, the service life is shortened, and the guide length of an inner hole of the gear is longer, therefore, the axial size is large, the structure is not compact, the clearance can be automatically compensated by adopting the structure, the transmission stability is improved, and the power is better transmitted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic view of a partial three-dimensional structure of the present invention;

fig. 5 is a schematic view of the assembly structure of the present invention;

fig. 6 is a schematic view of a partial three-dimensional structure of the servo driving device of the present invention;

fig. 7 is a schematic perspective view of the spacing and clamping device of the present invention;

fig. 8 is an assembly structure diagram of the spacing and clamping device of the present invention;

fig. 9 is a schematic view of a partial three-dimensional structure of the spacing clamping device of the present invention. Reference numerals:

the device comprises a positioning support frame 1, a connecting column 101, a servo driving device 2, a bearing mounting part 201, a special-shaped mounting plate 2011, a positioning cover 2012, a positioning bolt 2013, a circular through groove 2014, a positioning driving part 202, a driving motor 2021, a transmission shaft 2022, a first helical gear 2023, a first axial compression spring 2024, a screwing nut 2025, a first axial compression spring 2026, a transmission linkage part 203, a first transmission assembly 204, a first positioning shaft 2041, a third helical gear 2042, a fourth helical gear 2043, a second transmission assembly 205, a second positioning shaft 2051, a fifth helical gear 2052, a sixth helical gear 2053, a second helical gear 206, a limit clamping device 3, a vertical rotating column 301, a clamping part 302, a locking mounting sleeve column 303, a rectangular through groove 3031, a mounting groove 3032, an annular clamping groove 3033, an adjusting locking assembly 304, a rotary adjusting head 3041 and a fixing nut 3042, positioning clamping assembly 305, positioning screw 306, first locking portion 307, positioning buckling plate 3071, extension column 3072, positioning spring 3073, fixing plate 3074, transverse hooking plate 3075, second locking portion 308, clamping locking column 309, abutting cylinder 3091, locking clamping plate 3092 and annular clamping block 3093.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 9, the present invention provides a control console for a camera unmanned aerial vehicle, which comprises a positioning support frame 1, a servo driving device 2 and a spacing and clamping device 3, the positioning support frame 1 is arranged at the top of the servo driving device 2, the limiting and clamping device 3 is arranged at the bottom of the servo driving device 2, the servo driving device 2 comprises a bearing mounting part 201, a positioning driving part 202 and a transmission linkage part 203, the transmission linkage part 203 is arranged in the bearing mounting part 201, the positioning driving part 202 is arranged at one side of the bottom of the positioning support frame 1, the positioning driving part 202 is in transmission connection with the transmission linkage part 203, the limiting and clamping device 3 comprises a vertical rotary column 301 and a clamping part 302 which can be rotatably arranged at the bottom end of the vertical rotary column 301, the upper half part of the vertical rotary column 301 is sleeved on the output end of the transmission linkage part 203. The utility model discloses a theory of operation: when the angle of shooting needs to be adjusted in the shooting process, the positioning driving component 202 mounted on the positioning support frame 1 can be used for driving the transmission and connection linkage component 203 to rotate, the transmission and connection linkage component 203 is in transmission connection with the vertical rotating column 301, the clamping component 302 is sleeved on the vertical rotating column 301, power is transmitted to the transmission and connection linkage component 203 through the positioning driving component 202, the transmission and connection linkage component 203 transmits the power to the vertical rotating column 301 continuously, the clamping component 302 can be driven to rotate, the purpose of performing rotary driving operation on the equipment to be shot is achieved, the shooting angle can be changed and adjusted in high altitude, and scenes at different positions are shot.

The bearing mounting component 201 comprises a special-shaped mounting plate 2011, a positioning cover 2012 and a plurality of positioning bolts 2013, the four corners of the bottom of the positioning support frame 1 are respectively provided with one connecting column 101, the four connecting columns 101 are respectively in one-to-one correspondence with the four corners of the top of the special-shaped mounting plate 2011, the positioning cover 2012 is covered at the top of the special-shaped mounting plate 2011, the special-shaped mounting plate 2011 and the positioning cover 2012 are connected through the plurality of positioning bolts 2013, the two ends of the top of the positioning cover 2012 are respectively provided with a circular through groove 2014, the bottom of the special-shaped mounting plate 2011 is provided with a circular through groove for the vertical rotary column 301 to pass through, in a mounting state, the vertical rotary column 301 sequentially passes through the circular through groove 2014 and one of the circular through grooves 2014, and the accommodating space between the special-shaped mounting plate 2011 and the positioning cover 2012 can realize the accommodating mounting operation of the transmission linkage component 203 because, the rotation operation of the vertical rotary column 301 is realized, the driving rotation operation of the clamping component 302 is realized, and the shooting operation at different positions in the shooting process can be realized.

The positioning driving component 202 comprises a driving motor 2021, a transmission shaft 2022, a first axial compression spring 2024, a screwing nut 2025, a second axial compression spring 2026 and two first helical gear 2023, the driving motor 2021 is installed at one end of the top of the positioning cover 2012, the two first helical gear 2023 are disposed in the positioning cover 2012 and stacked to form a shape, one end of the transmission shaft 2022 is fixedly connected with the main shaft of the driving motor 2021, the other end of the transmission shaft 2022 passes through the circular through groove 2014 to be fixedly connected with the first helical gear 2023, the screwing nut 2025 is fixed at the bottom end of the transmission shaft 2022, the bottom end of the first axial compression spring 2024 is engaged with the first helical gear 2024 which is sleeved on the upper half part of the transmission shaft 2022, the top end of the first axial compression spring 4 is connected with the top wall of the positioning cover 2012 in an abutting manner, the second axial compression spring 2026 is disposed between the two first helical gear 2023, the first axial pressure spring 2024 and the second axial pressure spring 2026 are both sleeved on the transmission shaft 2022, and in the working process, the transmission shaft 2022 is driven to rotate by the driving motor 2021, because the two first helical-tooth cylindrical gears 2023, the first axial pressure spring 2024, the second axial pressure spring 2026 and the screwing nut 2025 are all sleeved on the transmission shaft 2022, the two first helical-tooth cylindrical gears 2023 can be driven to rotate, because the first axial pressure spring 2024 and the second axial pressure spring 2026 are used in cooperation with the screwing nut 2025 and the two first helical-tooth cylindrical gears 2023, the two first helical-tooth cylindrical gears 2023 can be tightly locked, the occurrence of unstable transmission caused by the gap between the gears is eliminated, and the power can be stably transmitted.

The transmission and connection linkage component 203 comprises a first transmission component 204, a second transmission component 205 and a second helical gear 206, the first transmission component 204 and the second transmission component 205 are in transmission connection with two first helical gears 2023 respectively, the first transmission component 204 and the second transmission component 205 are in transmission connection with the second helical gear 206, the first transmission component 204 comprises a first positioning shaft 2041, a third helical gear 2042 and a fourth helical gear 2043, the first positioning shaft 2041 is arranged on the special-shaped mounting plate 2011 along the vertical direction, the third helical gear 2042 and the fourth helical gear 2043 are arranged on the first positioning shaft 2041 in sequence, the third helical gear 2042 is meshed with one of the first helical gears 2023, the fourth helical gear 2043 is meshed with the second helical gear 206, and the second transmission component 205 comprises a second positioning shaft 2051, A fifth helical cylindrical gear 2052 and a sixth helical cylindrical gear 2053, the second positioning shaft 2051 is vertically disposed on the special-shaped mounting plate 2011, the fifth helical cylindrical gear 2052 and the sixth helical cylindrical gear 2053 are sequentially disposed on the second positioning shaft 2051, the fifth helical cylindrical gear 2052 is engaged with another first helical cylindrical gear 2023, the sixth helical cylindrical gear 2053 is engaged with the second helical cylindrical gear 206, the top end of the vertical rotary column 301 penetrates through the special-shaped mounting plate 2011 and is fixedly connected with the middle part of the second helical cylindrical gear 206, the vertical rotary column 301 is vertically disposed, because two first helical cylindrical gears 2023 need to finally transmit power to the second helical cylindrical gear 206, the two first helical cylindrical gears 2023 are both rotated in cooperation with the third helical cylindrical gear 2042 and the fifth helical cylindrical gear 2052, and because the third helical cylindrical gear 2042 is rotationally connected with the fourth helical cylindrical gear 2043 through the first positioning shaft 2041, and the fifth helical cylindrical gear 2052 is rotationally connected with the sixth helical cylindrical gear 2053 through the second positioning shaft 2051, power can be continuously transmitted to the second helical cylindrical gear 206, so that the power transmission operation is realized.

The two first helical cylindrical gears 2023 have the same thickness, the third helical cylindrical gear 2042 and the fifth helical cylindrical gear 2052 have the same thickness, the first helical cylindrical gear 2023 has a thickness greater than that of the third helical cylindrical gear 2042, the sixth helical cylindrical gear 2053 has a thickness greater than that of the fourth helical cylindrical gear 2043, the first helical cylindrical gear 2023, the third helical cylindrical gear 2042, the fifth helical cylindrical gear 2052 and the second helical cylindrical gear 206 have sequentially increased tooth diameters, the third helical cylindrical gear 2042 and the fifth helical cylindrical gear 2052 have the same tooth diameter, the fourth helical cylindrical gear 2043 and the sixth helical cylindrical gear 2053 have the same tooth diameter, and since the two first helical cylindrical gears 2023 are sequentially sleeved on the transmission shaft 2022, the two first helical cylindrical gears 2023 are combined together to have a certain height in the vertical direction, when power is transmitted, the overall heights of the third helical gear 2042 and the fourth helical gear 2043 are both required to be smaller than the overall heights of the fifth helical gear 2052 and the sixth helical gear 2053 to better transmit power with the two first helical gears 2023, so that the power can be continuously transmitted.

The clamping component 302 comprises a locking installation sleeve column 303, an adjusting locking component 304 and a positioning clamping component 305, the locking installation sleeve column 303 is locked on the vertical rotating column 301 through a plurality of positioning screws 306, the adjusting locking component 304 is installed at the bottom end of the locking installation sleeve column 303, the positioning clamping component 305 is locked on the locking installation sleeve column 303 through the positioning clamping component 305, the positioning clamping component 305 can rotate around the rotating direction of the adjusting locking component 304, the positions of the adjusting locking component 304 and the positioning clamping component 305 on the locking installation sleeve column 303 can be adjusted in advance through manual operation, the shooting effect is better, the angle is well adjusted, and the shooting effect is improved.

The middle part of the bottom end of the locking mounting sleeve column 303 is provided with a rectangular through groove 3031, the rectangular through groove 3031 penetrates through the locking mounting sleeve column 303 along the horizontal direction, two sides of the bottom end of the locking mounting sleeve column 303 are provided with mounting grooves 3032, the adjusting locking assembly 304 comprises a rotary adjusting head 3041 and a fixing nut 3042, one end of the rotary adjusting head 3041 penetrates through the locking mounting sleeve column 303, the fixing nut 3042 locks the end part of the locking mounting sleeve column 303 on the side wall of the locking mounting sleeve column 303, two side walls of the rectangular through groove 3031 are provided with annular clamping grooves 3033, in a locking state, the clamping end of the positioning clamping assembly 305 is in clamping fit with the annular clamping grooves 3033 of the two side walls, when the position of the positioning clamping assembly 305 on the locking mounting sleeve column 303 needs to be adjusted, the position of the positioning clamping assembly 305 is adjusted by rotating the tightness between the rotary adjusting head 3041 and the fixing nut 3042, position adjustment of the positioning and clamping assembly 305 is achieved.

The positioning and clamping assembly 305 comprises a first locking portion 307, a second locking portion 308 and a clamping locking column 309, wherein the first locking portion 307 and the second locking portion 308 are in interference fit with the clamping locking column 309, the clamping locking column 309 comprises an interference cylinder 3091 and a locking clamping plate 3092 which are integrally formed, one end of the interference cylinder 3091 is fixedly connected with the back of the first locking portion 307, the locking clamping plate 3092 is installed at the other end of the interference cylinder 3091, annular clamping grooves 3033 are respectively arranged at two sides of the locking clamping plate 3092, annular clamping blocks 3093 are correspondingly clamped one by one, circular mounting grooves 3032 are arranged on the side wall of the locking clamping plate 3092, the circular mounting grooves 3032 are arranged in the middle part of the annular clamping blocks 3093, because the first locking portion 307 and the second locking portion 308 have the same structure, when a shooting device needs to be clamped between the first locking portion 307 and the second locking portion 308, by pulling the first locking portion 307 and the second locking portion 308 to move towards each other, the first locking portion 307 and the second locking portion 308 can move in a telescopic manner along the horizontal direction, so that the clamping operation of the shooting device to be clamped can be completed, and the shooting device can be stably fixed between the first locking portion 307 and the second locking portion 308.

The first locking portion 307 and the second locking portion 308 have the same structure, the first locking portion 307 includes a positioning fastening plate 3071, two extending posts 3072 and two positioning springs 3073, the two extending posts 3072 are disposed on the side wall of the positioning fastening plate 3071 at intervals, one end of each extending post 3072 is fixed on the positioning fastening plate 3071, and the other end extends to the position of another positioning fastening plate 3071 along the horizontal direction through the abutting cylinder 3091, the two positioning springs 3073 are respectively sleeved on the two extending posts 3072, one end of each positioning spring 3073 is fixed on the end of the extending post 3072, the other end is pressed on the abutting cylinder 3091, a fixing plate 3074 and a transverse hooking plate 3075 are disposed between the two positioning fastening plates 3071, the end of the transverse hooking plate 3075 is mounted on the fixing plate 3074, because the first locking portion 307 and the second locking portion 308 have the same structure and can move in opposite directions to form a clamping space, so two extension posts 3072 and two positioning springs 3073 on first locking portion 307 and the second locking portion 308 are crisscross setting, fix with screw on the lateral wall of location buckle plate 3071 one end of two extension posts 3072, the other end of two extension posts 3072 runs through conflict cylinder 3091, and establish respectively on two front half sections that extend post 3072 through two positioning springs 3073, with the front end and the conflict cylinder 3091 locking post of extension post 3072, when pulling two location buckle plates 3071 and removing, positioning spring 3073 can compress and provide the removal stroke, after placing the shooting device between two location buckle plates 3071, four positioning springs 3073 and conflict cylinder 3091 conflict cooperation, can be with the locking of shooting device tightly, improve the stability of whole device.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The side-clearance-free speed reducing motor applied to the camera shooting unmanned aerial vehicle control holder is characterized by comprising a positioning support frame (1), a servo driving device (2) and a limiting clamping device (3), wherein the positioning support frame (1) is installed at the top of the servo driving device (2), the limiting clamping device (3) is installed at the bottom of the servo driving device (2), the servo driving device (2) comprises a bearing installation part (201), a positioning driving part (202) and a transmission linkage part (203), the transmission linkage part (203) is arranged in the bearing installation part (201), the positioning driving part (202) is installed at one side of the bottom of the positioning support frame (1), the positioning driving part (202) is in transmission connection with the transmission linkage part (203), the limiting clamping device (3) comprises a vertical rotating column (301) and a clamping part (302) which can be rotatably installed at the bottom end of the vertical rotating column (301), the upper half part of the vertical rotating column (301) is sleeved on the output end of the transmission and connection linkage component (203), the positioning driving component (202) comprises a driving motor (2021), a transmission shaft (2022), a first axial pressure spring (2024), a screwing nut (2025), a second axial pressure spring (2026) and two first helical gear cylindrical gears (2023), the driving motor (2021) is installed at one end of the top of the positioning cover (2012), the two first helical gear cylindrical gears (2023) are arranged in the positioning cover (2012) and are formed in a stacking mode, one end of the transmission shaft (2022) is fixedly connected with a main shaft of the driving motor (2021), the other end of the transmission shaft (2022) penetrates through a circular through groove (2014) to be fixedly connected with the first helical gear cylindrical gear (2023), the screwing nut (2025) is fixed at the bottom end of the transmission shaft (2022), the bottom end of the first axial pressure spring (2024) is meshed with the first helical gear (2023) sleeved on the upper half part of the transmission shaft (2022), the top end of the first axial compression spring (2024) is in abutting connection with the top wall in the positioning cover (2012), the second axial compression spring (2026) is arranged between the two first helical gears (2023), and the first axial compression spring (2024) and the second axial compression spring (2026) are sleeved on the transmission shaft (2022).

2. The backlash-free gear motor applied to the camera unmanned aerial vehicle control pan/tilt head of claim 1, wherein the bearing mounting component (201) comprises a special-shaped mounting plate (2011), a positioning cover (2012) and a plurality of positioning bolts (2013), four corners of the bottom of the positioning support frame (1) are respectively provided with one connecting column (101), four connecting columns (101) are respectively in one-to-one correspondence with four corners of the top of the special-shaped mounting plate (2011), the positioning cover (2012) covers the top of the special-shaped mounting plate (2011), the special-shaped mounting plate (2011) and the positioning cover (2012) are connected through the plurality of positioning bolts (2013), two ends of the top of the positioning cover (2012) are respectively provided with a circular through groove (2014), the bottom of the special-shaped mounting plate (2011) is provided with a circular through groove for the vertical rotary column (301) to pass through, and in a mounting state, the vertical rotary column (301) penetrates through the circular groove through groove and one circular penetrating groove (2014) in sequence.

3. The backlash-free gear motor applied to the camera head of the unmanned aerial vehicle of claim 2, wherein the transmission and connection linkage component (203) comprises a first transmission component (204), a second transmission component (205) and a second helical gear (206), the first transmission component (204) and the second transmission component (205) are respectively in transmission connection with two first helical gears (2023), the first transmission component (204) and the second transmission component (205) are respectively in transmission connection with a second helical gear (206), the first transmission component (204) comprises a first positioning shaft (2041), a third helical gear (2042) and a fourth helical gear (2043), the first positioning shaft (2041) is vertically arranged on the special-shaped mounting plate (2011), and the third helical gear (2042) and the fourth helical gear (2043) are sequentially arranged on the first positioning shaft (2041), the third helical cylindrical gear (2042) is meshed with one first helical cylindrical gear (2023) of the first helical cylindrical gears, the fourth helical cylindrical gear (2043) is meshed with the second helical cylindrical gear (206), the second transfer and connection assembly (205) comprises a second positioning shaft (2051), a fifth helical cylindrical gear (2052) and a sixth helical cylindrical gear (2053), the second positioning shaft (2051) is arranged on the special-shaped mounting plate (2011) along the vertical direction, the fifth helical cylindrical gear (2052) and the sixth helical cylindrical gear (2053) are sequentially arranged on the second positioning shaft (2051), the fifth helical cylindrical gear (2052) is meshed with the other first helical cylindrical gear (2023), the sixth helical cylindrical gear (2053) is meshed with the second helical cylindrical gear (206), and the top end of the vertical rotary column (301) penetrates through the middle part of the special-shaped mounting plate (2023) and is fixedly connected with the second helical cylindrical gear (2011), the vertical rotating column (301) is arranged in a vertical state.

4. The backlash-free speed reduction motor applied to the camera unmanned aerial vehicle control pan/tilt head according to claim 3, characterized in that the two first helical gears (2023) have the same thickness, the third helical gear (2042) and the fifth helical gear (2052) have the same thickness, the thickness of the first helical cylindrical gear (2023) is larger than that of the third helical cylindrical gear (2042), the thickness of the sixth helical cylindrical gear (2053) is larger than that of the fourth helical cylindrical gear (2043), the tooth diameters of the first helical gear (2023), the third helical gear (2042), the fifth helical gear (2052) and the second helical gear (206) are increased in sequence, the tooth diameters of the third helical gear (2042) and the fifth helical gear (2052) are the same, the tooth diameters of the fourth helical gear (2043) and the sixth helical gear (2053) are the same.

5. The backlash-free gear motor applied to the camera-controlled pan-tilt head of claim 1, wherein the clamping member (302) comprises a locking mounting sleeve column (303), an adjusting locking assembly (304) and a positioning clamping assembly (305), the locking mounting sleeve column (303) is locked on the vertical rotating column (301) through a plurality of positioning screws (306), the adjusting locking assembly (304) is mounted at the bottom end of the locking mounting sleeve column (303), the positioning clamping assembly (305) is locked on the locking mounting sleeve column (303) through the positioning clamping assembly (305), and the positioning clamping assembly (305) can rotate around the rotating direction of the adjusting locking assembly (304).

6. The backlash-free speed reduction motor applied to the camera unmanned aerial vehicle control pan/tilt head according to claim 5, it is characterized in that a rectangular through groove (3031) is arranged at the middle part of the bottom end of the locking mounting sleeve column (303), the rectangular through slot (3031) penetrates through the locking mounting sleeve column (303) along the horizontal direction, mounting grooves (3032) are arranged on two sides of the bottom end of the locking mounting sleeve column (303), the adjusting locking component (304) comprises a rotary adjusting head (3041) and a fixed nut (3042), one end of the rotary adjusting head (3041) penetrates through the locking mounting sleeve column (303), the fixing nut (3042) locks the end of the locking mounting sleeve column (303) on the side wall of the locking mounting sleeve column (303), two side walls of the rectangular through groove (3031) are respectively provided with an annular clamping groove (3033), in a locking state, the clamping end of the positioning clamping assembly (305) is in clamping fit with the annular clamping grooves (3033) on the two side walls.

7. The backlash-free gear motor applied to the camera shooting unmanned aerial vehicle control pan tilt head according to claim 6, wherein the positioning clamping assembly (305) comprises a first locking part (307), a second locking part (308) and a clamping locking column (309), the first locking part (307) and the second locking part (308) are in interference fit with the clamping locking column (309), the clamping locking column (309) comprises an integrally formed interference cylinder (3091) and a locking clamping plate (3092), one end of the interference cylinder (3091) is fixedly connected with the back of the first locking part (307), the locking clamping plate (3092) is installed at the other end of the interference cylinder (3091), annular clamping blocks (3093) which are clamped in corresponding to the annular clamping grooves (3033) are respectively arranged on two sides of the locking clamping plate (3092), circular installation grooves (3032) are arranged on the side wall of the locking clamping plate (3092), and the circular mounting groove (3032) is arranged in the middle part of the annular fixture block (3093).

8. The backlash-free gear motor applied to the camera-controlled pan/tilt head of claim 7, wherein the first locking portion (307) and the second locking portion (308) have the same structure, the first locking portion (307) comprises a positioning buckling plate (3071), two extending pillars (3072) and two positioning springs (3073), the two extending pillars (3072) are disposed on the sidewall of the positioning buckling plate (3071) at intervals, one end of each extending pillar (3072) is fixed on the positioning buckling plate (3071), and the other end of each extending pillar penetrates through the interference cylinder (3091) along the horizontal direction to extend to the position of the other positioning buckling plate (3071), the two positioning springs (3073) are respectively sleeved on the two extending pillars (3072), one end of each positioning spring (3073) is fixed on the end of the extending pillar (3072), and the other end of each positioning spring is pressed on the interference cylinder (3091), a fixing plate (3074) and a transverse hooking plate (3075) are arranged between the two positioning buckling plates (3071), and the end part of the transverse hooking plate (3075) is arranged on the fixing plate (3074).