CN210424337U

CN210424337U - Automatic tracking cradle head and camera system

Info

Publication number: CN210424337U
Application number: CN201921228888.9U
Authority: CN
Inventors: 刘海军; 王华刚; 万茶良
Original assignee: Shenzhen Jinjiu Tianshi Industrial Co ltd
Current assignee: Shenzhen Jinjiu Tianshi Industrial Co ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-04-28
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses an automatic trail cloud platform and camera system, wherein automatic trail cloud platform, including casing and lid, be equipped with horizontal rotation actuating mechanism and tilting drive mechanism in the casing, this tilting drive mechanism is including the tilting drive motor and the tilting drive subassembly that are equipped with first driving gear, and this tilting drive subassembly includes two fixing bases and two rotation pieces, and every rotation piece is equipped with the swing arm, and at least one swing arm is equipped with rotating gear, and first gear engagement transmission on this rotating gear and the carousel, second gear and first driving gear transmission on this carousel are connected, automatic trail cloud platform still is equipped with the first elastomeric element who makes first driving gear and second gear in close contact with. Because the first elastic component which enables the first driving gear and the second gear to be in close contact is arranged, the matching precision requirement between the components is reduced, the processing difficulty of the components is reduced, noise and shake caused by too large or too small matching clearance are avoided, and the running stability is improved.

Description

Automatic tracking cradle head and camera system

Technical Field

The utility model relates to a cloud platform technical field for make a video recording, in particular to automatic trail cloud platform and camera system.

Background

The existing cloud deck is widely applied to the field of camera monitoring, and the existing cloud deck can realize multi-angle motion, such as horizontal rotation. But also can rotate up and down, and can rotate up and down simultaneously when rotating horizontally, but the structure is complex and the volume is larger when the horizontal rotation and the up-and-down rotation are realized. Meanwhile, the processing precision of the transmission parts of the holder is high, namely the matching precision requirement between the transmission parts is high, otherwise, the transmission parts are easy to generate, and when the matching clearance between the transmission parts is too small, the transmission parts are easy to clamp during operation, so that the phenomena of jitter, discontinuity and the like of the acquired video images are caused; when the fit clearance between the movable parts is too large, the phenomena of shaking and the like of the collected video images can be caused, and the noise is large during operation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides an automatic tracking cloud platform and camera system, and wherein this automatic tracking cloud platform can reduce the processing degree of difficulty, also can guarantee the operation stationarity, compact structure, small.

In order to solve the problem, the utility model provides an automatic tracking cloud platform. The automatic tracking cloud platform comprises a shell and a cover body fixed to the bottom of the shell, wherein a horizontal rotation driving mechanism and an up-and-down rotation driving mechanism are arranged in a containing cavity of the shell, the horizontal rotation driving mechanism and the up-and-down rotation driving mechanism respectively enable a fixed camera to horizontally rotate and up-and-down rotate, the up-and-down rotation driving mechanism comprises an up-and-down rotation driving motor and an up-and-down rotation transmission assembly, the up-and-down rotation transmission assembly comprises two fixing seats and a rotation part connected with each fixing seat in a rotating mode, each rotation part is provided with a swing arm, at least one swing arm is provided with a rotation gear, the rotation gear is in meshing transmission with a first gear on a rotating plate, a second gear on the rotating plate is in transmission connection with a first driving gear on.

Furthermore, the horizontal rotation driving mechanism comprises a horizontal rotation base connected with the rotation support and a horizontal rotation motor fixed with the horizontal rotation base, a second driving gear is arranged on a rotating shaft of the horizontal rotation motor, and the second driving gear is matched with an inner gear on the cover body to enable the horizontal rotation base to rotate.

Furthermore, a limiting guide mechanism is arranged between the swing arm and the fixed seat.

Furthermore, the limiting guide mechanism comprises a stop block arranged on the swing arm and a guide groove arranged on the fixed seat and matched with the stop block.

Further, the guide groove is a section of circular arc with the rotating shaft of the swing arm as the center of circle.

Furthermore, rolling friction mechanisms are respectively arranged between the rotating bracket and the rotating disc as well as between the rotating bracket and the shell.

Further, the rolling friction mechanism comprises rolling balls which are uniformly distributed, a rolling ball support for fixing the rolling balls, and a limiting groove which is arranged between the rotary disc and the support and between the rotary disc and the shell and is matched with the rolling balls.

Further, the first gear is a bevel gear.

Further, a second elastic component which enables the second driving gear to be in close contact with the internal gear on the cover body is arranged on the horizontal rotating base.

Further, the rotating disc is provided with an annular groove.

Further, the first elastic member is a spring.

The utility model also provides an automatic tracking cloud platform. The automatic tracking cloud platform comprises a shell and a cover body fixed to the bottom of the shell, wherein a horizontal rotation driving mechanism and an up-down rotation driving mechanism which enable a fixed camera to horizontally rotate and vertically rotate are arranged in a containing cavity of the shell, the horizontal rotation driving mechanism comprises a horizontal rotation base connected with a rotation support and a horizontal rotation motor fixed with the horizontal rotation base, a second driving gear is arranged on a rotating shaft of the horizontal rotation motor, the second driving gear is matched with an inner gear on the cover body to enable the horizontal rotation base to rotate, and a second elastic component which enables the second driving gear to be in close contact with a gear on the cover body is further arranged on the automatic tracking cloud platform.

Further, the first gear is a bevel gear.

Further, the rotating disc is provided with an annular groove.

Further, the second elastic member is a spring.

The utility model also provides a camera system, which comprises a camera and a tripod head for controlling the camera to rotate in multiple directions, wherein the tripod head comprises a shell and a cover body fixed at the bottom of the shell, a horizontal rotation driving mechanism and an up-and-down rotation driving mechanism which respectively enable the fixed camera to rotate horizontally and rotate up and down are arranged in a containing cavity of the shell, the up-and-down rotation driving mechanism comprises an up-and-down rotation driving motor and an up-and-down rotation transmission assembly, the up-and-down rotation transmission assembly comprises two fixed seats and a rotating part which is rotationally connected with each fixed seat, each rotating part is provided with a swinging arm, at least one swinging arm is provided with a rotating gear, the rotating gear is in meshing transmission with a first gear on a turntable, a second gear on the turntable is in transmission connection with a first driving gear on a rotating shaft of the up-and-down driving motor, the automatic tracking, or,

the horizontal rotation driving mechanism comprises a horizontal rotation base connected with the rotation support and a horizontal rotation motor fixed with the horizontal rotation base, a second driving gear is arranged on a rotating shaft of the horizontal rotation motor, the second driving gear is matched with an inner gear on the cover body to enable the horizontal rotation base to rotate, and a second elastic component enabling the second driving gear to be in close contact with a gear on the cover body is further arranged on the automatic tracking cloud platform.

Further, the first gear is a bevel gear.

Further, the rotating disc is provided with an annular groove.

Further, the first elastic component or the second elastic component is a spring.

The utility model discloses automatic tracking cloud platform and camera system, wherein automatic tracking cloud platform, including the casing and with the fixed lid in casing bottom, be equipped with at casing holding cavity and make fixed camera level rotate respectively with the horizontal rotation actuating mechanism of tilting and rotate actuating mechanism and tilting drive, tilting drive includes tilting drive motor and tilting drive subassembly, this tilting drive subassembly includes two fixing bases and rotates the rotation piece of being connected with every fixing base, every rotates and is equipped with the swing arm, at least one swing arm is equipped with rotating gear, first gear engagement transmission on this rotating gear and the carousel, first driving gear transmission connection in second gear on this carousel and the driving motor pivot from top to bottom, automatic tracking cloud platform still is equipped with the first elastomeric element who makes first driving gear and second gear in close contact with. The first elastic component which enables the first driving gear and the second gear to be in close contact is arranged, so that the requirement on the matching precision between the gears can be reduced, the processing difficulty of the components can be reduced, the phenomena of noise when the precision between the components is too low and the matching is loose and the phenomena of shaking, discontinuity and the like when the precision is too high and the matching is tight can be avoided, the running stability is improved, and the structure is compact and small.

Drawings

In order to illustrate more clearly the embodiments of the invention or the solutions of the prior art, reference will now be made briefly to the attached drawings that are needed in the description of the embodiments or the prior art, it being understood that the drawings in the description illustrate only some embodiments of the invention and are therefore not to be considered limiting of its scope, and that, to a person skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural diagram of an embodiment of an automatic tracking pan-tilt.

Fig. 2 is a schematic structural diagram of an embodiment of an automatic tracking pan/tilt head along a vertical rotating shaft direction.

Fig. 3 is an exploded view of an embodiment of an automatic tracking pan/tilt head.

The objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The following claims are directed to particular embodiments and the accompanying drawings, it being understood that the described embodiments are only some of the embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

It should be understood that in the description of the present invention, all directional terms such as "upper" and "lower" are used herein to indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings or the orientations and positional relationships that the products of the present invention are conventionally placed in use, but are only used for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation. For the purpose of explaining the relative positional relationship of the components, the movement, etc., as shown in the drawings, when the specific attitude is changed, the directional indication may be changed accordingly.

Furthermore, the descriptions of the present invention as relating to "first", "second", etc. are used for distinguishing and not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. The technical features of the first and second aspects can be combined with at least one of the technical features in an explicit or implicit manner. In the description of the present invention, "a plurality" means at least two, i.e., two or more, unless expressly defined otherwise; the meaning of "at least one" is one or both.

As shown in fig. 1-3, the utility model provides an automatic tracking pan-tilt embodiment.

The automatic tracking cradle head comprises a shell 1 provided with a containing cavity and a cover body 7 fixed with the bottom of the shell, wherein the containing cavity of the shell is provided with a horizontal rotation driving mechanism and an up-and-down rotation driving mechanism which respectively enable a fixed camera to horizontally rotate and up-and-down rotate, the up-and-down rotation driving mechanism comprises an up-and-down rotation driving motor 5 and an up-and-down rotation transmission assembly, the up-and-down rotation transmission assembly comprises two fixed seats 13 and rotating pieces 12 which are respectively connected with the fixed seats 13 in a rotating mode, each rotating piece 12 is provided with a swing arm 121, at least one swing arm 121 is provided with a rotating gear 123, the rotating gear 123 is in meshing transmission with a first gear 32 on a rotating disc 3, and a second gear 33 on the rotating disc 3 is in transmission connection; the horizontal rotation driving mechanism comprises a horizontal rotation base 4 connected with the rotation support 2 and a horizontal rotation motor 6 fixed with the horizontal rotation base 4, a second driving gear 61 is arranged on a rotating shaft of the horizontal rotation motor 6, the second driving gear 61 is matched with an inner gear 71 arranged on the cover body 7 to enable the horizontal rotation base 4 to rotate, and a first elastic component 8 enabling the first driving gear 51 to be in close contact with the second gear 33 is further arranged on the automatic tracking cradle head.

Specifically, the turntable 3, the rotating bracket 2 and the horizontal rotating base 4 rotate coaxially during operation. The upper part of the shell 1 is provided with a circular opening (not shown in the attached drawings) for installing the fixed seat 13 and avoiding the rotation of the fixed seat 13.

The camera is fixed with the rotary table 3 through a rotating part 12 which is rotatably connected with the fixed seat 13, each rotating part 12 comprises a swing arm 121, and one swing arm 121 is provided with a rotating gear 123 which is in meshing transmission with the first gear 32. A rotation gear 123 may also be provided on each swing arm 121 as necessary. The fixed seat 13 and the rotary table 3 are fixed by bolts, a first gear 32 and a second gear 33 are arranged on the rotary table 3, and the second gear 33 is in meshing transmission with the first driving gear 51. A first rolling friction mechanism 9 and a third rolling friction mechanism 11 are respectively arranged between the shell 1 and the rotating bracket 2, and between the rotating bracket 2 and the turntable 3, namely, the first rolling friction mechanism 9 and the second rolling friction mechanism 10 are arranged between the shell 1 and the rotating bracket 2, and the third rolling friction mechanism 11 is arranged between the rotating bracket 2 and the turntable 3. This first rolling friction mechanism 9, second rolling friction mechanism 10 and third rolling friction mechanism 11 are including the spin support of the even spin of distribution and fixed spin to and locate between carousel 3 and runing rest 2 and the casing 1 and with spin complex spacing groove, first rolling friction mechanism 9 includes first spin support 91 and first spin 92 promptly, correspond the position in the runing rest 2 outside and the casing 1 inboard corresponds the position and is equipped with the first spacing groove 21 that restriction first spin 92 reciprocated respectively, the first spacing groove drawing of casing 1 inboard is not marked. The third rolling friction mechanism 11 comprises a third rolling ball support 111 and a third rolling ball 112, a third limiting groove 31 for limiting the up-and-down movement of the third rolling ball 112 is arranged at a corresponding position on the inner side of the rotating support 2 and a corresponding position on the outer side of the rotating disc 3, and the drawing of the third limiting groove on the inner side of the rotating support 2 is not marked. The first rolling friction mechanism 9, the second rolling friction mechanism 10, the third rolling friction mechanism 11, the base 4, the turntable 3, the rotating bracket 2 and the like are coaxially mounted, that is, when the rotating bracket horizontally rotates left and right, the rotating shafts of the components are positioned on the same straight line, that is, rotate coaxially.

According to the requirement, a second rolling friction mechanism 10 is further arranged between the shell 1 and the rotating support 2, the second rolling friction mechanism 10 comprises a second rolling ball support 101 and a second rolling ball 102, a first limiting groove 21 and a second limiting groove 22 which limit the second rolling ball 102 to move up and down are respectively arranged at the corresponding positions outside the rotating support 2 and inside the shell 1, and the drawing of a third limiting groove inside the shell 1 is not marked.

The horizontal rotating motor 6 is fixed with the horizontal rotating base 4 through a horizontal rotating motor bracket 62; the up-down rotation motor 5 is fixed with the horizontal rotation base 4 through an up-down rotation motor support 52, and a through hole 41 for the rotation shaft of the up-down rotation motor 5 to pass through is formed in the horizontal rotation base 4, so that the first driving gear 51 is respectively located at the upper side and the lower side of the horizontal rotation base 4. The specific position of the first elastic member 8 is not limited as long as the first driving gear 51 is in close contact with the second gear 33. For example, the first elastic member 8 is disposed between the horizontal rotating base 4 and the vertical rotating motor support 52 to make the first driving gear 51 and the second gear 33 closely contact with each other, and the first elastic member 8 may be a spring or the like.

The rotating bracket 2 and the horizontal rotating base 4 are fixed through bolts or screws. The second driving gear 61 on the horizontal rotation motor 6 enables the horizontal rotation motor 6, the horizontal rotation base 4, the rotation support 2 and the turntable 3 to rotate together, so that the rotation piece 12 connected with the rotation support 2 and the camera are driven to rotate, and horizontal left and right angle adjustment of the camera is realized.

The up-down rotation motor 5 drives the rotary table 3 to rotate through the first driving gear 51 and the second gear 33 on the rotary table 3, the first gear 32 on the rotary table 3 drives the rotation member 12 to rotate through the rotation gear 123 on the swing arm 121, so that the rotation member 12 rotates up and down or swings, and the up-down angle adjustment of the camera is realized. The first gear 32 is a bevel gear, and the included angle between the bevel gear and the horizontal plane is 30-60 degrees, preferably 45 degrees, so that the stress surface of the first gear 32 is the same as that of the rotating gear 123 in meshing transmission with the first gear 32, and the influence of the service life of one of the gears is avoided.

During the operation of the pan-tilt, when the camera needs to be adjusted to rotate up and down, that is, the rotating part 12 rotates up and down or rotates back and forth along the direction E in fig. 1, the driving motor 5 works up and down by controlling, and the first driving gear 51 arranged by the rotating shaft of the driving motor 5 drives the rotating disc 3 to rotate, the rotating gear 123 meshed with the first gear 32 of the rotating disc 3 drives the rotating part 12 connected with the fixed seat 13 to rotate, so as to drive the camera fixed between the two rotating parts 12 to rotate up and down.

When the camera needs to be adjusted to rotate, that is, the rotating part 12 rotates left and right along the direction F in fig. 1, the second driving gear 61 on the horizontal rotation motor 6 is matched with the internal gear 71 on the cover 7, so that the horizontal rotation base 4, the rotation bracket 2, the horizontal rotation motor 6, the rotary table 3, the rotation bracket 2 and the fixed fixing seat 13 rotate synchronously. The horizontal rotation motor 6 and the up-down rotation motor 5 can be operated simultaneously as required, and the above-mentioned up-down rotation transmission assembly and the horizontal rotation driving mechanism and the like do not interfere with each other. Because the first elastic component 8 which enables the first driving gear 51 and the second gear 33 to be in close contact is arranged, the requirement on the matching precision between the gears can be reduced, the processing difficulty of the components can be reduced, the phenomenon that the precision between the components is too low, namely, noise occurs when the matching clearance is too large and runs is avoided, the phenomenon that the precision is too high and the matching is tight, namely, shaking and discontinuity occur when the matching clearance is too small is avoided, the running stability is improved, the structure is compact, and the size is small.

In order to ensure the matching between the second driving gear 61 and the inner gear 71, the phenomenon that when the mechanical matching gap is too large, large noise is generated during horizontal rotation, and when the mechanical matching gap is too small, the requirement on the machining precision is high, the machining difficulty is increased, the phenomena of blocking and the like easily occur, and the phenomenon that the video image collected by the camera is blocked and discontinuous is caused when the tripod head is not stably operated during working is avoided. The automatic tracking head is further provided with a second elastic member 15 for bringing the second driving gear 61 into close contact with the internal gear 71 of the cover 7. The specific position of the second elastic member 15 is not limited as long as the second driving gear 61 is in close contact with the internal gear 71. In this embodiment, a second elastic member 15 for tightly contacting the second driving gear 61 with the internal gear 71 on the cover 7 is disposed between the horizontal rotary base 4 and the second motor support 62, and the second elastic member 15 may be a spring or the like.

In order to ensure that the swing arm 121 rotates or swings stably, a limit guide mechanism is arranged between the swing arm 121 and the fixed seat 13. The limiting and guiding mechanism comprises a stopper 122 arranged on the swing arm 12 and a guiding groove 131 arranged on the fixed seat 13 and matched with the stopper. The guide groove 131 is an arc having a center on the rotation axis of the swing arm 12. The first gear 32 is a bevel gear.

Usually, the rotary plate 3 is made of plastic, and in order to avoid large shrinkage deformation when the rotary plate 3 is molded, an annular groove 30 is formed in the rotary plate 3.

The utility model discloses still supply a camera system, this camera system includes camera and the multidirectional pivoted cloud platform of control camera, the cloud platform is including adopting above-mentioned embodiment structure, and its specific structure and working process are not the aforesaid the same, no longer give unnecessary details. The multi-direction means that the device can rotate left and right in the horizontal direction and swing up and down in the vertical direction.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; 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: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments without departing from the spirit or scope of the present invention.

Claims

1. The automatic tracking cloud platform is characterized by comprising a shell and a cover body fixed at the bottom of the shell, wherein a horizontal rotation driving mechanism and an up-and-down rotation driving mechanism which respectively enable a fixed camera to horizontally rotate and up-and-down rotate are arranged in a containing cavity of the shell, the up-and-down rotation driving mechanism comprises an up-and-down rotation driving motor and an up-and-down rotation transmission assembly, the up-and-down rotation transmission assembly comprises two fixing seats and a rotation piece which is rotatably connected with each fixing seat, each rotation piece is provided with a swing arm, at least one swing arm is provided with a rotation gear, the rotation gear is in meshed transmission with a first gear on a rotating disc, a second gear on the rotating disc is in transmission connection with a first driving gear on a rotating shaft of the up-and-down rotation driving motor, and a.

2. The automatic tracking pan-tilt head of claim 1, wherein: the horizontal rotation driving mechanism comprises a horizontal rotation base connected with the rotation support and a horizontal rotation motor fixed with the horizontal rotation base, a second driving gear is arranged on a rotating shaft of the horizontal rotation motor, and the second driving gear is matched with an inner gear on the cover body to enable the horizontal rotation base to rotate.

3. The automatic tracking pan-tilt head of claim 1, wherein: and a limiting guide mechanism is arranged between the swing arm and the fixed seat.

4. The automatic tracking pan-tilt head of claim 3, wherein: the limiting guide mechanism comprises a stop block arranged on the swing arm and a guide groove arranged on the fixed seat and matched with the stop block.

5. The automatic tracking pan-tilt head according to claim 2, wherein: and rolling friction mechanisms are respectively arranged between the rotating bracket and the shell and between the rotating bracket and the rotating disk.

6. The automatic tracking pan-tilt head of claim 1, wherein: the first gear is a bevel gear.

7. The automatic tracking pan-tilt head of claim 1, wherein: and the horizontal rotating base is provided with a second elastic component which enables the second driving gear to be in close contact with the inner gear on the cover body.

8. The automatic tracking cradle head is characterized by comprising a shell and a cover body fixed at the bottom of the shell, wherein a horizontal rotation driving mechanism and an up-down rotation driving mechanism which respectively enable a fixed camera to horizontally rotate and up-down rotate are arranged in a shell accommodating cavity, the horizontal rotation driving mechanism comprises a horizontal rotation base connected with a rotation support and a horizontal rotation motor fixed with the horizontal rotation base, a second driving gear is arranged on a rotating shaft of the horizontal rotation motor, the second driving gear is matched with an inner gear on the cover body to enable the horizontal rotation base to rotate, and a second elastic component which enables the second driving gear to be in close contact with the inner gear on the cover body is arranged on the horizontal rotation base.

9. The automatic tracking pan-tilt head of claim 8, wherein: the up-and-down rotation driving mechanism comprises an up-and-down rotation driving motor and an up-and-down rotation transmission assembly, the up-and-down rotation transmission assembly comprises two fixing seats and a rotation part which is connected with each fixing seat in a rotation mode, each rotation part is provided with a swing arm, at least one swing arm is provided with a rotation gear, the rotation gear is in meshing transmission with a first gear on the rotary table, and a second gear on the rotary table is in transmission connection with a first driving gear on a rotating shaft of the up-and-down driving.

10. A camera system comprising a camera and a pan-tilt head for controlling the camera to rotate in multiple directions, wherein the pan-tilt head is an automatic tracking pan-tilt head as claimed in any one of claims 1 to 9.