CN212080689U - Parallel three-axis photographic holder and photographic equipment using same - Google Patents
Parallel three-axis photographic holder and photographic equipment using same Download PDFInfo
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- CN212080689U CN212080689U CN202020579891.1U CN202020579891U CN212080689U CN 212080689 U CN212080689 U CN 212080689U CN 202020579891 U CN202020579891 U CN 202020579891U CN 212080689 U CN212080689 U CN 212080689U
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Abstract
The utility model discloses a parallel triaxial photographic holder and photographic equipment using the same, belonging to the technical field of photographic holders, wherein the parallel triaxial photographic holder comprises a base, three motors arranged on the base and a movable angle platform; the motor is connected with the movable angle platform through the side link and the connecting rod, the central line of one end of the connecting rod rotating around the other end of the side link is a first rotating axis, the central line of the movable angle platform rotating around the other end of the connecting rod is a second rotating axis, and the geometric position relation of the motor, the side link and the connecting rod meets the following requirements: the central lines of the output shafts of the three motors are intersected at a central point, and the first rotating axis and the second rotating axis pass through the central point. The utility model discloses can reduce the volume that occupies of photographic cloud platform itself, increase structural rigidity and stability, widen the motion range, improve response speed, make the photography equipment shoot out the picture of more stable, better, no band and fault of quality.
Description
Technical Field
The utility model relates to a photographic cloud platform technical field, more specifically relates to a photographic equipment of parallelly connected triaxial photographic cloud platform and applied this cloud platform.
Background
The three-axis photography holder is used for loading and fixing a camera, the existing three-axis photography holders mostly adopt holders in a series connection mode, a machine body base is fixed, three mechanical arms which are connected in a rotating mode are sequentially arranged on the base in series, and the camera is carried on the mechanical arm at the tail end.
Because need set up the triaxial arm, this kind of series connection triaxial photography cloud platform generally has the shortcoming that occupies bulky, and because the weight that every arm need bear is great, structural rigidity and stability are also relatively poor, greatly restrict the bearing capacity of cloud platform, may cause the photographic picture unstability.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem who solves does: the utility model provides a parallelly connected triaxial structure, overcomes the photographic cloud platform structure among the prior art complicacy, and quality and volume are great shortcoming.
In order to overcome the defects of the prior art, the utility model discloses a parallelly connected photographic cloud platform has been designed.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a parallel three-axis photography holder in a first aspect, which comprises a base, three motors and a movable angle platform, wherein the three motors and the movable angle platform are arranged on the base; the three motors are annularly and equidistantly distributed on the base; each motor is connected with the movable corner platform through a connecting rod and a connecting rod, and the method specifically comprises the following steps: an output shaft of the motor is rotatably connected with one end of a side link, the other end of the side link is rotatably connected with one end of the connecting rod, and the other end of the connecting rod is rotatably connected with the movable corner table; and setting the central line of one end of the connecting rod rotating around the other end of the side link as a first rotating axis, setting the central line of the movable angle platform rotating around the other end of the connecting rod as a second rotating axis, and satisfying the geometrical position relations of the motor, the side link and the connecting rod: the central lines of the output shafts of the three motors are intersected at a central point, and the first rotating axis and the second rotating axis pass through the central point; the side link is of a V-shaped structure and comprises a first part and a second part on two sides of the V-shaped structure and a connecting block in the middle of the V-shaped structure, and the first part and the second part are respectively and fixedly connected to the connecting block and form an included angle; the first part is connected with an output shaft of the motor, and the second part is connected with the side link.
Beneficially or exemplarily, the side link and the connecting rod are arc plates with a center point as a sphere center, and the upper surface of the base is provided with a spherical groove.
Advantageously or exemplarily, the base is provided with an inclined motor slot, and the motor is placed in the motor slot and is fixedly connected to the bottom surface of the motor slot.
Beneficially or exemplarily, the inner wall of the motor groove is provided with a heat radiation hole penetrating to the bottom surface of the base, the bottom surface of the base is provided with an annular groove, and the heat radiation hole is communicated to the annular groove.
Advantageously or exemplarily, the angle table further comprises a first bearing and a second bearing, wherein the first bearing is arranged between the other end of the side link and one end of the connecting rod, and the second bearing is arranged between the other end of the connecting rod and the angle table.
Advantageously or exemplarily, the first bearing and the second bearing are both deep groove ball bearings.
Advantageously or exemplarily, the movable corner table is provided with a seat slot, a camera base is installed in the seat slot, and the camera head is installed in the camera base.
Advantageously or exemplarily, the movable corner platform is provided with a connecting part which is rotatably connected with the other end of the connecting rod.
The utility model discloses the second aspect provides a photography equipment, uses the photography cloud platform loading camera that the first aspect provided.
The utility model has the advantages that:
the utility model discloses can reduce the volume that occupies of photographic cloud platform itself, increase structural rigidity and stability, widen the motion range, improve response speed, make the photography equipment shoot out the picture of more stable, better, no band and fault of quality.
Drawings
Fig. 1 is a perspective view of a parallel three-axis camera pan-tilt according to an embodiment of the present invention;
fig. 2 is a schematic diagram of three rotation axes of a parallel three-axis camera pan-tilt according to an embodiment of the present invention;
fig. 3 is a schematic view of a base of a parallel three-axis pan/tilt head according to an embodiment of the present invention;
fig. 4 is a schematic bottom view of a base of a parallel three-axis pan/tilt head according to an embodiment of the present invention;
fig. 5 is a schematic view of a side link of a parallel three-axis pan/tilt head according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a connecting rod of a parallel three-axis camera pan-tilt according to an embodiment of the present invention;
fig. 7 is a schematic view of a movable angle stage of a parallel three-axis pan/tilt head according to an embodiment of the present invention;
fig. 8 is a schematic view of a bearing connection of a parallel three-axis pan/tilt head according to an embodiment of the present invention;
fig. 9 is an exploded view of a camera base and a camera head of a parallel three-axis camera platform according to an embodiment of the present invention.
In the figure:
1-a base; 2-moving the corner table; 3-a camera head; 4-a motor; 5-a connecting part; 6-side link; 7-a connecting rod; 81-a first bearing; 82-a second bearing; 11-a spherical groove; 12-a motor slot; 13-heat dissipation holes; 14-an annular groove; a first portion of a 61-V configuration; a second portion of the 62-V configuration; a connecting block of a 63-V type structure; 21-a seat groove; 22-camera mount; an O-center point; p1-first axis of rotation; p2-second axis of rotation; p3-third axis of rotation.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1-9, a first aspect of an embodiment of the present invention provides a parallel three-axis camera tripod head, which includes a base 1, three motors 4 disposed on the base 1, and a movable angle stage 2; the three motors 4 are annularly and equidistantly distributed on the base 1; each motor 4 is connected with the movable corner platform 2 through a connecting rod 7 and a connecting rod 6, and the method specifically comprises the following steps: an output shaft of the motor 4 is rotatably connected with one end of a side link 6, the other end of the side link 6 is rotatably connected with one end of a connecting rod 7, and the other end of the connecting rod 7 is rotatably connected with the movable corner table 2; assuming that a central line of one end of the connecting rod 7 rotating around the other end of the side link 6 is a first rotation axis P1, a central line of the movable corner platform 2 rotating around the other end of the connecting rod 7 is a second rotation axis P2, and the geometric position relationship among the motor 4, the side link 6 and the connecting rod 7 satisfies the following requirements:
the center lines of the output shafts of the three motors 4 intersect at a center point O, and the first rotation axis P1 and the second rotation axis P2 each pass through the center point O.
The side link 6 is of a V-shaped structure and comprises a first part 61 and a second part 62 at two sides of the V-shaped structure and a connecting block 63 in the middle of the V-shaped structure, and the first part 61 and the second part 62 are respectively fixedly connected to the connecting block 63 and form an included angle; the first part 61 is connected with the output shaft of the motor 4, and the second part 62 is connected with the side link 6.
After the camera 3 is loaded on the movable corner platform 2, in the shooting process, three groups of power driving components work in a cooperative way, specifically, three motors 4 work in a cooperative way to respectively drive the connected side link 6 to rotate, so that the other end of the side link 6 rotates relative to the output shaft of the motor 4, wherein the rotating angles of the other ends of the three side link 6 are different. After the rotation, the other end of the connecting rod 7 drives the movable corner platform 2 to move, so that the angle of the movable corner platform 2 is changed, the angle of the camera 3 loaded on the movable corner platform is changed, and the stability of the shot image can be kept under a changeable shooting environment.
Compare in the photographic cloud platform of current triaxial series connection, the utility model discloses a photographic cloud platform's triaxial is parallelly connected structure. The three-axis photographic pan-tilt with the parallel structure can reduce the volume occupied by the photographic pan-tilt.
Meanwhile, compared with a three-axis series connection mode, the three-axis parallel connection mode reduces the bearing capacity of each axis, light materials can be used, and the overall quality of the photographic holder is reduced. And simultaneously, the utility model discloses increased the rigidity and the stability of cloud platform structure, can provide powerful support, kept the stability of camera for the camera can be shot and more be stable, the quality is better, the picture of no striae and fault.
In one embodiment, three motors 4 work in cooperation, specifically: the parallel three-axis photographing holder further comprises a processor, wherein the processor acquires the rotation angle of the movable angle table 2, calculates the rotation angle required by the three motors 4 according to the rotation angle, and respectively sends control instructions to the three motors 4, so that the rotation angle of the three motors 4 is matched, and the rotation of the movable angle table 2 at a specific angle is realized.
Three motors 4 distributed in an annular equal distance are obliquely arranged on the base 1.
As shown in fig. 2, for the sake of specific explanation, the center line of the output shaft of the motor is set as the third rotation axis P3. In fig. 2, only the center line of one motor output shaft is shown, and the center lines of the remaining two motor output shafts are not shown. In fig. 2, only one P1, P2, and P3 are shown, and actually three P1, P2, and P3 pass through the center point O.
In the present embodiment, the first rotation axis P1, the second rotation axis P2 and the third rotation axis P3 intersect at the center point O, so that both ends of the side link 6 and both ends of the link 7 rotate on a spherical surface with the point O as a spherical center. When the camera 3 is loaded on the movable angle platform 2 and bears the gravity of the camera 3, the structure can equally divide the borne gravity into oblique forces in three directions, thereby improving the bearing capacity of the camera holder.
Simultaneously, in the current plummer, there is the structure of the three telescopic shaft that connects in parallel of practicality, and the revolution mechanic of this embodiment compares in the structure of the three telescopic shaft that connects in parallel of current, and the direction of gravity that bears is different with the direction of motion of connecting rod 7 or side link 6, can not appear bearing the weight of or receive the impact back, and the triaxial takes place the condition that deflects, and stability is good, can reduce the vibration in the shooting process.
In addition, because the rotation angles of the other ends of the three side link rods 6 are correlated with each other, and the rotation angles of the three motors 4 are constrained and limited with each other, the rotation precision requirement of the motors 4 does not need to be too high in the embodiment, the rotation error of the motors 4 is constrained and corrected by other motors 4, and the cost of the motors 4 is reduced.
In this embodiment, the V-shaped side link 6 can further improve the carrying capacity and stability of the camera tripod head.
In one embodiment, the side link 6 and the connecting rod 7 are arc plates with a center point O as a sphere center, and the upper surface of the base 1 is provided with a spherical groove 11.
In the embodiment, the arc-shaped plate is attractive in arrangement and good in stress; the design of the arc-shaped plates can ensure that the side link 6 and the connecting rod 7 are positioned in different spherical surfaces in the rotating process and do not interfere with each other; and the arc-shaped plate can enable the overall structure of the photographic holder to be compact, and the occupied volume is reduced.
The arrangement of the spherical groove 11 can allow the rotating connection part of the side link 6 and the connecting rod 7 to rotate in the spherical groove 11, so that the rotating angle of the movable corner table 2 is enlarged, the moving range of the camera 3 in the pitching and rolling directions is large, and the shooting range of the loaded camera 3 is improved.
In one embodiment, the base 1 is provided with an inclined motor groove 11, and the motor 4 is disposed in the motor groove 12 and is fixedly connected to the bottom surface of the motor groove 12.
In a further embodiment, the inner wall of the motor groove 12 is provided with a heat dissipation hole 13 penetrating to the bottom surface of the base 1, the bottom surface of the base 1 is provided with an annular groove 14, and the heat dissipation hole 13 is communicated to the annular groove 14.
In the embodiment, the structure that the motor 4 is arranged on the base 1 is realized, the motor 4 is arranged in the inclined motor groove 12, and a power line is connected through a hole at the bottom of the motor groove 12 in a pulling way; in the working process, the heat generated by the motor 4 is dissipated outwards through the heat dissipation holes 13, and the annular groove 14 on the bottom surface of the base 1 provides a heat dissipation space for the motor 4.
In one embodiment, the device further comprises a first bearing 81 and a second bearing 82, wherein the first bearing 81 is arranged between the other end of the side link 6 and one end of the connecting rod 7, and the second bearing 82 is arranged between the other end of the connecting rod 7 and the movable corner platform 2.
In one embodiment, the first bearing 81 and the second bearing 82 are deep groove ball bearings. Deep groove ball bearing is suitable for the utility model discloses a photographic cloud platform's rotatory demand.
In a further embodiment, the first bearing 81 and the second bearing 82 are lubricated periodically.
In one embodiment, the movable corner table 2 has a seat 21, a camera stand 22 is installed in the seat 21, and the camera head 3 is installed in the camera stand 22.
In one embodiment, the movable corner platform 2 is provided with a connecting part which is rotatably connected with the other end of the connecting rod 7, and in a further embodiment, the three connecting parts 5 are annularly and equidistantly distributed on the movable corner platform 2.
The motor 4 that the annular equidistance distributes to and connecting portion 5 when arranging rationally, make the whole atress of photographic cloud platform balanced, can bear the weight of photographic head 3 better, and make whole symmetry pleasing to the eye.
The embodiment second aspect of the utility model provides a photography equipment uses the photography cloud platform that the first aspect provided to load camera 3.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (9)
1. A parallel triaxial photographic pan-tilt is characterized by comprising a base, three motors and a movable angle table, wherein the three motors and the movable angle table are arranged on the base;
the three motors are annularly and equidistantly distributed on the base; each motor is connected with the movable corner platform through a connecting rod and a connecting rod, and the method specifically comprises the following steps: an output shaft of the motor is rotatably connected with one end of a side link, the other end of the side link is rotatably connected with one end of the connecting rod, and the other end of the connecting rod is rotatably connected with the movable corner table;
and setting the central line of one end of the connecting rod rotating around the other end of the side link as a first rotating axis, setting the central line of the movable angle platform rotating around the other end of the connecting rod as a second rotating axis, and satisfying the geometrical position relations of the motor, the side link and the connecting rod:
the central lines of the output shafts of the three motors are intersected at a central point, and the first rotating axis and the second rotating axis pass through the central point;
the side link is of a V-shaped structure and comprises a first part and a second part at two sides of the V-shaped structure and a connecting block in the middle of the V-shaped structure,
the first part and the second part are respectively and fixedly connected to the connecting block and form an included angle; the first part is connected with an output shaft of the motor, and the second part is connected with the side link.
2. The parallel three-axis camera tripod head of claim 1, wherein the side link and the connecting rod are arc plates with a center point as a sphere center, and the upper surface of the base is provided with a spherical groove.
3. The parallel three-axis camera tripod head of claim 1, wherein the base is provided with an inclined motor groove, and the motor is disposed in the motor groove and is fixedly connected to a bottom surface of the motor groove.
4. The parallel three-axis camera tripod head according to claim 3, wherein the motor slot has heat dissipation holes extending through the bottom surface of the base, and the bottom surface of the base has an annular groove, and the heat dissipation holes are connected to the annular groove.
5. The parallel three-axis camera tripod head according to claim 1, further comprising a first bearing and a second bearing, wherein the first bearing is disposed between the other end of the side link and one end of the connecting rod, and the second bearing is disposed between the other end of the connecting rod and the movable angle stage.
6. The parallel three-axis camera tripod head of claim 5, wherein the first bearing and the second bearing are deep groove ball bearings.
7. The parallel three-axis camera tripod head of claim 1, wherein the movable angle stage has a seat slot, and a camera base is installed in the seat slot and a camera head is installed in the camera base.
8. A parallel three-axis camera head according to claim 1, wherein said movable turret is provided with a connection portion rotatably connected to the other end of said connecting rod.
9. A camera device, characterized in that said camera head is loaded using a parallel three-axis camera head according to any of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020579891.1U CN212080689U (en) | 2020-04-17 | 2020-04-17 | Parallel three-axis photographic holder and photographic equipment using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020579891.1U CN212080689U (en) | 2020-04-17 | 2020-04-17 | Parallel three-axis photographic holder and photographic equipment using same |
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| Publication Number | Publication Date |
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| CN212080689U true CN212080689U (en) | 2020-12-04 |
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| CN202020579891.1U Active CN212080689U (en) | 2020-04-17 | 2020-04-17 | Parallel three-axis photographic holder and photographic equipment using same |
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