CN105371813B - Video camera rocking arm rotates and luffing angle measurement apparatus - Google Patents
Video camera rocking arm rotates and luffing angle measurement apparatus Download PDFInfo
- Publication number
- CN105371813B CN105371813B CN201510884360.7A CN201510884360A CN105371813B CN 105371813 B CN105371813 B CN 105371813B CN 201510884360 A CN201510884360 A CN 201510884360A CN 105371813 B CN105371813 B CN 105371813B
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- rocking arm
- shaft
- angle measurement
- measurement apparatus
- support
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C1/00—Measuring angles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention is a kind of video camera rocking arm rotation and luffing angle measurement apparatus, including rocking arm rotating angle measurement apparatus and rocking arm luffing angle measurement apparatus, wherein rocking arm rotating angle measurement apparatus is arranged on position of the rocking arm with respect to tripod rotary shaft, and rocking arm luffing angle measurement apparatus is arranged on the pitching shaft position of rocking arm；The rocking arm rotating angle measurement apparatus includes extension shaft, rotary encoder, angular contact ball bearing, the first axle sleeve, the second axle sleeve, support shaft, thrust bearing, outer cover, top cover and chassis；The rocking arm luffing angle measurement apparatus includes fixed plate, support bar, pitching encoder support, pitching encoder connecting plate, connecting shaft, angular contact ball bearing, connecting rod.The present invention can realize real-time acquisition video camera rocking arm rotation and luffing angle parameter, be applicable on the video camera rocking arm of quick obtaining camera position parameter.Strong applicability of the present invention, it can use on various types of video camera rocking arms.
Description
Technical field
It is particularly a kind of to measure the rotation of video camera rocking arm and the device of luffing angle the invention belongs to field of measuring technique.
Background technology
At present, precision, the rate request more and more higher measured with people video camera various parameters, automaticity are got over
Carry out higher, the conventional simple eyes by people and go the way for reading various data also to seem increasingly to be not suitable with current need
Ask.Especially in virtual studio, want to realize shoot the virtual three-dimensional scene of computer manufacture and camera live
Character activities image is digitized to be synthesized, personage is synchronously changed with virtual background, reaching the seamless effect merged in real time
Fruit, it is necessary to first accurately and reliably to obtain the various parameters of video camera, such as displacement, adjustable height, pitching real-time
Angle, the anglec of rotation and focal length size etc..Video camera on rocking arm is continuous with the rolling of rocking arm and pitch position
Change, to obtain video camera particular location parameter have to measure rocking arm the anglec of rotation and luffing angle.Cause
This be badly in need of it is a kind of can accurate measurement video camera rocking arm rotation real-time and the device of luffing angle, but there is no correlation at present
Document describes.
The content of the invention
It is an object of the invention to provide a kind of rotation of video camera rocking arm and luffing angle measurement apparatus.
The technical solution for realizing the object of the invention is：A kind of video camera rocking arm rotation and luffing angle measurement apparatus,
Including rocking arm rotating angle measurement apparatus and rocking arm luffing angle measurement apparatus, wherein rocking arm rotating angle measurement apparatus is arranged on
For rocking arm with respect to the position of tripod rotary shaft, rocking arm luffing angle measurement apparatus is arranged on the pitching shaft position of rocking arm；It is described to shake
Arm rotating angle measurement apparatus includes extension shaft, rotary encoder, angular contact ball bearing, the first axle sleeve, the second axle sleeve, support
Axle, thrust bearing, the first outer cover, the second outer cover, top cover and chassis；The chassis is fixed on tripod, by interior on chassis
Hexagonal cylindrical head screw is connected extension shaft, and the extension shaft is coaxially disposed with chassis, and rotary encoder is housed on extension shaft, and rotation is compiled
The inner ring of code device is fixedly connected with extension shaft, and the outer ring of rotary encoder is connected with the first axle sleeve, the outer wall of first axle sleeve and the
Two outer covers are fixedly connected with；The lower end of second outer cover sets the first outer cover, first outer cover be enclosed on the outside of rotary encoder and with
Chassis is fixedly connected with；Angular contact ball bearing is set on the other end shaft shoulder of extension shaft, and the outer ring of ball bearing is stuck in the interior of the first axle sleeve
Kong Zhong；The end of the other end of extension shaft is connected the second axle sleeve, and the top of the second axle sleeve is connected support shaft, in the endoporus of support shaft
Thrust bearing is set, and the outer ring of the thrust bearing is stuck in the endoporus of support shaft, and the inner ring of thrust bearing is enclosed on the stretching of top cover
In axle, the projecting shaft is fixedly connected with support shaft, and the bottom of top cover and support rocker gear is fixedly connected with.
Compared with prior art, its remarkable advantage is the present invention：1）The present invention's is versatile, can use in inhomogeneity
On the video camera rocking arm of type；2）The present invention can in real time, fast, accurately measure the rotation of video camera rocking arm and join with luffing angle
Number, and by parameter real-time Transmission to computer；3）The present invention is simple in construction, easily operation, stable performance.
Brief description of the drawings
Fig. 1 is video camera rocking arm rotation of the present invention and the front view of luffing angle measurement apparatus general assembly drawing.
Fig. 2 is video camera rocking arm rotation of the present invention and the oblique view of luffing angle measurement apparatus general assembly drawing.
Fig. 3 is video camera rocking arm rotation of the present invention and the internal view of luffing angle measurement apparatus.
Fig. 4 is that video camera rocking arm rotation of the present invention and the part of luffing angle measurement apparatus in luffing angle measurement apparatus show
It is intended to.
Embodiment
With reference to Fig. 1, Fig. 2, Fig. 3, a kind of video camera rocking arm of the invention rotation and luffing angle measurement apparatus, including rocking arm
Rotating angle measurement apparatus A and rocking arm luffing angle measurement apparatus B, wherein rocking arm rotating angle measurement apparatus A are arranged on rocking arm
With respect to the position of tripod D rotary shafts, rocking arm luffing angle measurement apparatus B is arranged on rocking arm C pitching shaft position；
With reference to Fig. 3, described rocking arm rotating angle measurement apparatus A includes extension shaft 1, rotary encoder 2, angular contact ball axle
Hold the 3, first axle sleeve 4, the second axle sleeve 5, support shaft 6, thrust bearing 7, the first outer cover 8, the second outer cover 9, top cover 10 and chassis 11；
The chassis 11 is fixed on tripod D, is connected extension shaft 1 by hexagon socket cap head screw on chassis 11, the extension shaft 1 with
Chassis 11 is coaxially disposed, and rotary encoder 2 is housed on extension shaft 1, and inner ring and the extension shaft 1 of rotary encoder 2 are fixedly connected with, rotation
The outer ring of encoder 2 is connected with the first axle sleeve 4, and the outer wall of first axle sleeve 4 is fixedly connected with the second outer cover 9；Under second outer cover 9
End sets the first outer cover 8, and upper end and top cover 10 are connected, first outer cover 8 be enclosed on the outside of rotary encoder 2 and with chassis 11
It is fixedly connected with；Angular contact ball bearing 3 is set on the other end shaft shoulder of extension shaft 1, and the outer ring of ball bearing 3 is stuck in the interior of the first axle sleeve 4
Kong Zhong；Connected second axle sleeve 5 in the end of the other end of extension shaft 1, the connected support shaft 6 in top of the second axle sleeve 5, support shaft 6
Thrust bearing 7 is set in endoporus, and the outer ring of the thrust bearing 7 is stuck in the endoporus of support shaft 6, and the inner ring of thrust bearing 7 is enclosed on
In the projecting shaft of top cover 10, the projecting shaft is fixedly connected with support shaft 6, and the bottom of top cover 10 and support rocker gear is fixedly connected with.
With reference to Fig. 1, Fig. 3 and Fig. 4, the rocking arm luffing angle measurement apparatus B includes the first fixed plate 12-1, the second fixation
Plate 12-2, first support bar 13-1, second support bar 13-2, pitching encoder support 14, pitching encoder 15, connecting plate 16,
Connecting shaft 17, angular contact ball bearing 18, head rod 20, the second connecting rod 21；The rocking arm C passes through the first fixed plate 12-1
In the second fixed plate 12-2 through hole, the first fixed plate 12-1 and the second fixed plate 12-2 are symmetrically distributed in bracket of rocket arm 19
Both sides, the first fixed plate 12-1 and the second fixed plate 12-2 intermediate parallel sets first support bar 13-1 and second support bar
Pitching encoder support 14 is set on 13-2, first support bar 13-1 and second support bar 13-2, on pitching encoder support 14
Pitching encoder 15 is set, and outer ring and the pitching encoder support 14 of pitching encoder 15 are connected, and its inner ring is solid with connecting shaft 17
Even, connecting shaft 17 is arranged in the blind hole of one end of connecting plate 16 and is connected with connecting plate 16, and the other end of connecting plate 16 passes through
The connecting rod 21 of head rod 20 and second is fixed on bracket of rocket arm 19, and angular contact ball bearing is also cased with connecting shaft 17
18, angular contact ball bearing 18 is in the endoporus of pitching encoder support 14.
When the rocking arm anglec of rotation changes, because inner ring and the extension shaft 1 of rotary encoder 2 are fixedly connected with, extension shaft 1
With chassis 11 be connected, chassis is fixed on tripod D, thus the inner ring of rotary encoder 2 it is fixed；Due to rotary encoder
2 outer rings are connected with the first axle sleeve 4, and the outer wall of first axle sleeve 4 is fixedly connected with the second outer cover 9；The upper end of second outer cover 9 and top cover
10 are connected, and top cover 10 rotates with the rotation of rocking arm, and inner ring and the outer ring of such rotary encoder 2 just generate relative turn
Dynamic, so as to obtain the rotation angle parameter of video camera rocking arm, last rotary encoder 2 is joined the rocking arm anglec of rotation by data wire
Number passes to computer.
When rocking arm luffing angle changes, because outer ring and the pitching encoder support 14 of pitching encoder 15 are solid
Even, encoder support 14 is fixed between first support bar 13-1 and second support bar 13-2, first support bar 13-1 and second
Geo-stationary is kept by the first fixed plate 12-1 and the second fixed plate 12-2 and rocking arm between support bar 13-2, so pitching is compiled
The outer ring of code device 15 rotates with the pitching of rocking arm；The inner ring of pitching encoder 15 is connected with connecting shaft 17, and connecting shaft 17 is pacified
It is connected in the blind hole of one end of connecting plate 16 and with connecting plate 16, the other end of connecting plate 16 passes through the He of head rod 20
Second connecting rod 21 is fixed on bracket of rocket arm 19, so the inner ring of pitching encoder 15 keeps fixed position relative to rocking arm
Motionless, outer ring and the inner ring of such pitching encoder 15 just generate relative rotation, so as to obtain the angle of pitch of video camera rocking arm
Parameter is spent, rocking arm luffing angle parameter is passed to computer by last pitching encoder 15 by data wire.
From the foregoing, it will be observed that the present invention's is versatile, can use on different types of video camera rocking arm；And can be real
When, fast, accurately measure the rotation of video camera rocking arm and luffing angle parameter, and by parameter real-time Transmission to computer；This
Inventive structure is simple, easily operation, stable performance.
Claims (2)
1. a kind of video camera rocking arm rotation and luffing angle measurement apparatus, it is characterised in that filled including rocking arm rotation angle measurement
[A] and rocking arm luffing angle measurement apparatus [B] are put, wherein rocking arm rotating angle measurement apparatus [A] is arranged on rocking arm with respect to three pin
The position of frame [D] rotary shaft, rocking arm luffing angle measurement apparatus [B] are arranged on the pitching shaft position of rocking arm [C]；
The rocking arm rotating angle measurement apparatus [A] includes extension shaft [1], rotary encoder [2], angular contact ball bearing [3], the
One axle sleeve [4], the second axle sleeve [5], support shaft [6], thrust bearing [7], the first outer cover [8], the second outer cover [9], top cover [10]
With chassis [11]；The chassis [11] is fixed on tripod [D], and being connected on chassis [11] by hexagon socket cap head screw adds
Major axis [1], the extension shaft [1] are coaxially disposed with chassis [11], and rotary encoder [2], rotary encoder are housed on extension shaft [1]
[2] inner ring is fixedly connected with extension shaft [1], and outer ring and the first axle sleeve [4] of rotary encoder [2] are connected, first axle sleeve [4]
Outer wall be fixedly connected with the second outer cover [9]；The lower end of second outer cover [9] sets the first outer cover [8], and upper end and top cover [10] are solid
Even, the first outer cover [8] is enclosed on the outside of rotary encoder [2] and is fixedly connected with chassis [11]；The other end axle of extension shaft [1]
Angular contact ball bearing [3] is set on shoulder, and the outer ring of angular contact ball bearing [3] is stuck in the endoporus of the first axle sleeve [4]；Extension shaft
[1] end of the other end is connected the second axle sleeve [5], and the top of the second axle sleeve [5] is connected support shaft [6], support shaft [6] it is interior
Thrust bearing [7] is set in hole, the outer ring of the thrust bearing [7] is stuck in the endoporus of support shaft [6], thrust bearing [7] it is interior
In the projecting shaft of top cover [10], the projecting shaft is fixedly connected with snare with support shaft [6], the bottom of top cover [10] and support rocker gear
Portion is fixedly connected with.
2. video camera rocking arm rotation according to claim 1 and luffing angle measurement apparatus, it is characterised in that the rocking arm
Luffing angle measurement apparatus [B] includes the first fixed plate [12-1], the second fixed plate [12-2], first support bar [13-1], the
Two support bars [13-2], pitching encoder support [14], pitching encoder [15], connecting plate [16], connecting shaft [17], angular contact
Ball bearing [18], head rod [20], the second connecting rod [21]；The rocking arm [C] is through the first fixed plate [12-1] and the
In the through hole of two fixed plates [12-2], the first fixed plate [12-1] and the second fixed plate [12-2] are symmetrically distributed in bracket of rocket arm
[19] intermediate parallel of both sides, the first fixed plate [12-1] and the second fixed plate [12-2] set first support bar [13-1] and
Pitching encoder support [14] is set in second support bar [13-2], first support bar [13-1] and second support bar [13-2],
Pitching encoder [15], outer ring and the pitching encoder support of pitching encoder [15] are set on pitching encoder support [14]
[14] be connected, its inner ring and connecting shaft [17] are connected, connecting shaft [17] be arranged in the blind hole of one end of connecting plate [16] and with
Connecting plate [16] is connected, and the other end of connecting plate [16] is fixed on rocking arm by head rod [20] and the second connecting rod [21]
On support frame [19], angular contact ball bearing [18] is also cased with connecting shaft [17], angular contact ball bearing [18] encodes mounted in pitching
In the endoporus of device bearing [14].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510884360.7A CN105371813B (en) | 2015-12-04 | 2015-12-04 | Video camera rocking arm rotates and luffing angle measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510884360.7A CN105371813B (en) | 2015-12-04 | 2015-12-04 | Video camera rocking arm rotates and luffing angle measurement apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105371813A CN105371813A (en) | 2016-03-02 |
| CN105371813B true CN105371813B (en) | 2017-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510884360.7A Active CN105371813B (en) | 2015-12-04 | 2015-12-04 | Video camera rocking arm rotates and luffing angle measurement apparatus |
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| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3804463A1 (en) * | 1988-02-12 | 1989-08-24 | Schmidle & Fitz Film Geraete | Camera truck |
| CN201795243U (en) * | 2010-08-04 | 2011-04-13 | 叶建平 | Wire controlled camera cradle head |
| CN201891999U (en) * | 2010-10-20 | 2011-07-06 | 周忠和 | Electrically controlled telescopic rocker |
| CN103344253A (en) * | 2013-06-24 | 2013-10-09 | 中国航空工业集团公司北京长城计量测试技术研究所 | Multi-axis motion simulation rotary table |
| CN204629020U (en) * | 2015-02-03 | 2015-09-09 | 秦海浤 | A kind of electric film shooting rocking arm |
| CN205175383U (en) * | 2015-12-04 | 2016-04-20 | 张家港斯克斯精密机械科技有限公司 | Rotatory and angle of pitch measuring device of camera rocking arm |
-
2015
- 2015-12-04 CN CN201510884360.7A patent/CN105371813B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3804463A1 (en) * | 1988-02-12 | 1989-08-24 | Schmidle & Fitz Film Geraete | Camera truck |
| CN201795243U (en) * | 2010-08-04 | 2011-04-13 | 叶建平 | Wire controlled camera cradle head |
| CN201891999U (en) * | 2010-10-20 | 2011-07-06 | 周忠和 | Electrically controlled telescopic rocker |
| CN103344253A (en) * | 2013-06-24 | 2013-10-09 | 中国航空工业集团公司北京长城计量测试技术研究所 | Multi-axis motion simulation rotary table |
| CN204629020U (en) * | 2015-02-03 | 2015-09-09 | 秦海浤 | A kind of electric film shooting rocking arm |
| CN205175383U (en) * | 2015-12-04 | 2016-04-20 | 张家港斯克斯精密机械科技有限公司 | Rotatory and angle of pitch measuring device of camera rocking arm |
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| Publication number | Publication date |
|---|---|
| CN105371813A (en) | 2016-03-02 |
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Effective date of registration: 20170527 Address after: 200436, room 51, 237 Wen Dong Road, Shanghai, Hongkou District Applicant after: SHANGHAI MEDIA VESION TECHNOLOGY CO., LTD. Address before: 215699 No. 10 Chang Jing Road, Suzhou, Jiangsu, Zhangjiagang Applicant before: ZHANGJIAGANG SIKESI PRECISION MACHINERY TECHNOLOGY CO., LTD. Applicant before: SHANGHAI MEDIA VESION TECHNOLOGY CO., LTD. Applicant before: NANJING GELA FEIKE SOFTWARE TECHNOLOGY CO., LTD. |
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