CN102359703A - Transmission structure of PTZ (Pan/Tilt/Zoom) camera - Google Patents
Transmission structure of PTZ (Pan/Tilt/Zoom) camera Download PDFInfo
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- CN102359703A CN102359703A CN2011102611468A CN201110261146A CN102359703A CN 102359703 A CN102359703 A CN 102359703A CN 2011102611468 A CN2011102611468 A CN 2011102611468A CN 201110261146 A CN201110261146 A CN 201110261146A CN 102359703 A CN102359703 A CN 102359703A
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- rotatingshaft
- belt wheel
- cloud terrace
- synchronously
- rotating shaft
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Abstract
The invention relates to a transmission structure of a PTZ (Pan/Tilt/Zoom) camera, wherein the PTZ camera comprises a camera, a cloud platform and a supporting base; a motor and a rotating shaft are arranged in the cloud platform; a synchronous belt pulley is fixedly arranged at one end of the rotating shaft, which is positioned inside the cloud platform; the motor is in drive connection with the synchronous belt pulley through a belt; when the motor operates, the rotating shaft is driven to rotate in a bearing by the synchronous belt pulley; the synchronous belt pulley and the rotating shaft are coaxial mutually; one side of the synchronous belt pulley, which corresponds to the rotating shaft, is provided with a boss structure; a frustum is arranged on the plane of the boss; and when the synchronous belt pulley is matched with the rotating shaft, the frustum is totally inserted into a hollow structure of the rotating shaft and the plane of the boss is tightly attached to the rotating shaft. The frustum takes an assembly positioning effect in the assembling process, so that the rotating shaft and the synchronous belt pulley can be in close fit more accurately, the problem that the rotating shaft and the synchronous belt pulley are eccentrical mutually in the operating process is avoided and the rotating process of the PTZ camera in use is more smooth and stable.
Description
Technical field
The present invention relates to the technical field of vidicon camera; Be that an a kind of end at rotatingshaft fixedly installs synchronous band belt wheel specifically; Thereby motor through belt drives synchronously belt wheel make rotatingshaft rotation, avoid rotatingshaft that the drive mechanism of the monopod video camera of off-centre takes place in rotation.
Background technique
The Cloud Terrace is exactly the mountion plate of the vidicon camera be made up of two AC motor, can drive the motion that vidicon camera is done substantially horizontal and Vertical direction.There are two motors The Cloud Terrace inside, be responsible for respectively The Cloud Terrace up and down and the rotation of left and right sides all directions.The difference of its operating voltage has also determined the overall operation voltage of this The Cloud Terrace, and 24V, alternating current 220V and the direct current 24V of interchange generally arranged.When receiving upper and lower operation voltage, motor vertical rotates, and drives vertical transmission wheel disc through speed reducer and rotates; When receiving left and right operation voltage, horizontal motor rotates and the horizontal teeth wheel disc through speed reducer drive The Cloud Terrace bottom rotates.
The Cloud Terrace all has level, vertical limited bolt, and The Cloud Terrace is realized limit functions by two sensitive switches respectively.When rotation angle reaches predefined limited bolt, the sensitive switch action power dump, The Cloud Terrace stops operating.Limit stoper can be positioned at the The Cloud Terrace outside, and adjustment process is simple, also can be positioned at The Cloud Terrace inside, adjusts the adjustment process relative complex through the regulating mechanism of peripheral hardware.But the The Cloud Terrace sealing of external limit stoper is not as the The Cloud Terrace of built-in limit stoper.
Mutually combine through The Cloud Terrace and vidicon camera and to be monopod video camera; Through the change of The Cloud Terrace to the angle of vidicon camera, the video acquisition that can make vidicon camera accomplish a plurality of angles is taken, and common monopod video camera comprises: vidicon camera; Gather video signal, constitute the operative body part of monopod video camera; The Cloud Terrace interconnects with vidicon camera, constitutes the mountion plate of vidicon camera, drives vidicon camera in the horizontal direction and movement in vertical direction, changes the angle of shooting of vidicon camera; Base for supporting interconnects with The Cloud Terrace, and The Cloud Terrace is fixed on the precalculated position; Motor is installed in The Cloud Terrace, is interconnected through transmission shaft between The Cloud Terrace and the vidicon camera, an end and the vidicon camera of transmission shaft are fixed, and the other end is driven by above-mentioned motor.Two motors of general installation in The Cloud Terrace inside, the control vidicon camera rotates shooting respectively in the horizontal direction with on the Vertical direction.
In the drive mechanism of the monopod video camera of existing technology; Motor and rotatingshaft are installed in The Cloud Terrace; Rotatingshaft is a hollow structure, and rotatingshaft and bearing inner race cooperatively interact, and rotates in bearing through the motor driving rotatingshaft; Rotate simultaneously to drive The Cloud Terrace, thus the variation angle of shooting of drive vidicon camera.
But, there is following not enough point in the aforesaid prior art:
In the prior art constructions; Generally between motor shaft and rotatingshaft, all passing through belt connects; Directly drive rotatingshaft by motor through belt and be rotated, the force structure of rotatingshaft is longer, and eccentric phenomenon takes place in installation and rotation process easily; And rotatingshaft position with respect to bearing in rotation can't limit accurately, also causes rotatingshaft in the operation process of The Cloud Terrace, to be shifted easily.
Summary of the invention
The technical problem that the present invention will solve provides an a kind of end at rotatingshaft and fixedly installs synchronous band belt wheel, thus motor through belt drives synchronously belt wheel make rotatingshaft rotation, avoid rotatingshaft that the drive mechanism of the monopod video camera of off-centre takes place in rotation.
The technological scheme that the present invention takes for the technical problem that exists in the solution known technology is:
The drive mechanism of monopod video camera of the present invention, wherein above-mentioned monopod video camera comprises: vidicon camera, gather video signal, constitute the operative body part of monopod video camera; The Cloud Terrace interconnects with vidicon camera, constitutes the mountion plate of vidicon camera, drives vidicon camera in the horizontal direction and movement in vertical direction, changes the angle of shooting of vidicon camera; Base for supporting interconnects with The Cloud Terrace, and The Cloud Terrace is fixed on the precalculated position; Motor and rotatingshaft are installed in The Cloud Terrace; Rotatingshaft is a hollow structure, and rotatingshaft and bearing inner race cooperatively interact, and rotates in bearing through the motor driving rotatingshaft; Rotate simultaneously to drive The Cloud Terrace; Be positioned at the inner end of The Cloud Terrace at rotatingshaft and fixedly install synchronous band belt wheel, the hollow parts in the middle of the ring shaped synchronous belt belt wheel is corresponding each other with the hollow position of rotatingshaft, and passes through belt transmission between motor and the synchronous band belt wheel; Drive rotatingshaft through synchronous band belt wheel during motor rotation and in bearing, rotate, coaxial each other between belt wheel and the rotatingshaft synchronously; The side corresponding to rotatingshaft is provided with boss structure on the band belt wheel synchronously, on the plane of boss, frustum is set, and when belt wheel cooperated with the rotatingshaft installation synchronously, frustum was inserted in the hollow structure of rotatingshaft fully, and the plane and the rotatingshaft of boss fit tightly.
The present invention can also adopt following technical measures:
Described a plurality of screw passes synchronous band belt wheel vertically and rotatingshaft is interfixed with being with belt wheel synchronously.
The internal diameter size of the hollow structure of described rotatingshaft and synchronous band belt wheel institute cooperation place is identical with the intersection diameter that the maximum diameter of frustum is frustum and boss.
The outer diameter of described boss is greater than the diameter of bearing inner race, and also greater than the diameter of bearing inner race, rotatingshaft limits with respect to the position of bearing rotatingshaft when rotated away from the diameter of being with belt wheel one end synchronously.
Advantage and good effect that the present invention has are:
In the drive mechanism of monopod video camera of the present invention; End at rotatingshaft is provided with synchronous band belt wheel; Rotate through driven by motor belt wheel rotation synchronously and then drive rotatingshaft; And be with the frustum of belt wheel one side setting when assembling, to be inserted in the structure of rotatingshaft hollow synchronously, thus play the effect of assembling and positioning, rotatingshaft and synchronous band belt wheel can be closely cooperated more accurately; Avoid the on-stream axle that the rotates problem eccentric each other, make monopod video camera rotation process in use more stable with being with belt wheel synchronously.Owing to be with the cooperating structure between belt wheel and the rotatingshaft simple relatively synchronously, when production and processing, do not need whole too high machining accuracy, thereby reduced cost of production in addition.
Description of drawings
Fig. 1 is the external structure schematic representation of monopod video camera;
Fig. 2 is the schematic internal view of monopod video camera that has adopted the drive mechanism of monopod video camera of the present invention;
Fig. 3 is the sectional view of the drive mechanism of monopod video camera of the present invention;
Fig. 4 be in the drive mechanism of monopod video camera of the present invention rotatingshaft and band belt wheel synchronously at the partial enlarged drawing of rigging position;
Fig. 5 is the sectional view of band belt wheel synchronously in the drive mechanism of monopod video camera of the present invention.
Embodiment
Followingly the present invention is carried out detailed explanation with reference to accompanying drawing and embodiment.
Fig. 1 is the external structure schematic representation of monopod video camera; Fig. 2 is the schematic internal view of monopod video camera that has adopted the drive mechanism of monopod video camera of the present invention; Fig. 3 is the sectional view of the drive mechanism of monopod video camera of the present invention; Fig. 4 be in the drive mechanism of monopod video camera of the present invention rotatingshaft and band belt wheel synchronously at the partial enlarged drawing of rigging position; Fig. 5 is the sectional view of band belt wheel synchronously in the drive mechanism of monopod video camera of the present invention.
Extremely shown in Figure 5 like Fig. 1, the drive mechanism of monopod video camera of the present invention, wherein above-mentioned monopod video camera comprises: vidicon camera 1, gather video signal, constitute the operative body part of monopod video camera; The Cloud Terrace 2 interconnects with vidicon camera, constitutes the mountion plate of vidicon camera, drives vidicon camera in the horizontal direction and movement in vertical direction, changes the angle of shooting of vidicon camera; Base for supporting 3 interconnects with The Cloud Terrace, and The Cloud Terrace 2 is fixed on the precalculated position; Motor is installed in The Cloud Terrace, in the The Cloud Terrace two motors 4 is set all usually, can drive monopod video camera respectively and rotate in the horizontal and vertical directions; Thereby the angular range that vidicon camera can be photographed is maximum, and the rotation of The Cloud Terrace 2 relies on the rotation of rotatingshaft 5 to drive, and described rotatingshaft 5 is a hollow structure; External circuit and datawire are incorporated into the inside of The Cloud Terrace via the hollow structure of rotatingshaft, thereby are motor and vidicon camera power supply and transmission video and monitoring control signal, and two bearings 6 laterally arrange in The Cloud Terrace inside; Rotatingshaft 5 cooperatively interacts respectively with the inner ring of two bearings; Rotatingshaft 5 can be rotated in bearing 6, rotate simultaneously, be positioned at the inner end of The Cloud Terrace at rotatingshaft and fixedly install synchronous band belt wheel to drive The Cloud Terrace; Hollow parts in the middle of the ring shaped synchronous belt belt wheel 7 is corresponding each other with the hollow position of rotatingshaft; Circuit and the datawire introduced pass synchronous band belt wheel equally, and around being with the peripheral edge of belt wheel that groove is set synchronously, belt 8 embeds and is arranged in the groove; And the live axle of motor 4 and synchronous being with between the belt wheel 7 through belt 8 transmissions;, coaxial each other between belt wheel and the rotatingshaft synchronously during motor rotation through band belt wheel driving rotatingshaft rotation synchronously in bearing synchronously, thus make rotatingshaft level and smooth rotation under the driving of motor; The side corresponding to rotatingshaft is provided with boss 9 structures on the band belt wheel 7 synchronously; Frustum 10 is set on the plane of boss; When the band belt wheel cooperates with the rotatingshaft installation synchronously; Frustum 10 is inserted in the hollow structure of rotatingshaft 5 fully, and the plane of the plane of boss 9 and rotatingshaft one end fits tightly, and makes the positioning and fixing process between synchronous band belt wheel and the rotatingshaft more simple and convenient.
Adopt a plurality of screws to pass synchronous band belt wheel 7 vertically and rotatingshaft 5 and band belt wheel are synchronously interfixed, make stressed more even between synchronous band belt wheel and the rotatingshaft, eccentric phenomenon can not rotate in transmission process.
The hollow structure of rotatingshaft 5 is that frustum 10 is identical with the intersection diameter of boss 9 with the internal diameter size of being with 7 cooperation places of belt wheel synchronously and the maximum diameter of frustum 10.That is to say when frustum just is inserted into the hollow structure of rotatingshaft fully; The edge of hollow structure overlaps with the intersection of frustum and boss; Rotatingshaft just is in coaxial state with being with belt wheel synchronously; Then can guarantee that both when rotating off-centre can not take place if through screw rotatingshaft and synchronous band belt wheel are interfixed this moment, and rotatingshaft and band belt wheel synchronously can be located quickly and accurately each other, improved the stability and the manufacturing efficiency of product.
The outer diameter of band belt wheel convex platform 9 is greater than the diameter of bearing 6 inner rings synchronously; Rotatingshaft away from the diameter of synchronous band belt wheel one end also greater than the diameter of bearing inner race; After synchronous band belt wheel interfixes with rotatingshaft is coaxial; Rotatingshaft 5 limits with respect to the position of bearing 6 when rotated, thereby avoids the operating error that causes because of the rotatingshaft displacement.
In the drive mechanism of monopod video camera of the present invention; End at rotatingshaft is provided with synchronous band belt wheel; Rotate through driven by motor belt wheel rotation synchronously and then drive rotatingshaft; And be with the frustum of belt wheel one side setting when assembling, to be inserted in the structure of rotatingshaft hollow synchronously, thus play the effect of assembling and positioning, rotatingshaft and synchronous band belt wheel can be closely cooperated more accurately; Avoid the on-stream axle that the rotates problem eccentric each other, make monopod video camera rotation process in use more stable with being with belt wheel synchronously.Owing to be with the cooperating structure between belt wheel and the rotatingshaft simple relatively synchronously, when production and processing, do not need whole too high machining accuracy, thereby reduced cost of production in addition.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction; Though the present invention is with preferred embodiment openly as above, yet, be not in order to limit the present invention; Anyly be familiar with the professional and technical personnel, in not breaking away from technological scheme scope of the present invention, can utilize the technology contents of announcement to make a little change or modification certainly; Become the equivalent embodiment of equivalent variations; In every case be the content that does not break away from technological scheme of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, all belong in the scope of technological scheme of the present invention according to technical spirit of the present invention.
Claims (4)
1. the drive mechanism of a monopod video camera, wherein above-mentioned monopod video camera comprises: vidicon camera, gather video signal, constitute the operative body part of monopod video camera; The Cloud Terrace interconnects with vidicon camera, constitutes the mountion plate of vidicon camera, drives vidicon camera in the horizontal direction and movement in vertical direction, changes the angle of shooting of vidicon camera; Base for supporting interconnects with The Cloud Terrace, and The Cloud Terrace is fixed on the precalculated position; Motor and rotatingshaft are installed in The Cloud Terrace; Rotatingshaft is a hollow structure, and rotatingshaft and bearing inner race cooperatively interact, and rotates in bearing through the motor driving rotatingshaft; Rotate simultaneously to drive The Cloud Terrace; It is characterized in that: be positioned at the inner end of The Cloud Terrace at rotatingshaft and fixedly install synchronous band belt wheel, the hollow parts in the middle of the ring shaped synchronous belt belt wheel is corresponding each other with the hollow position of rotatingshaft, and passes through belt transmission between motor and the synchronous band belt wheel; Drive rotatingshaft through synchronous band belt wheel during motor rotation and in bearing, rotate, coaxial each other between belt wheel and the rotatingshaft synchronously; The side corresponding to rotatingshaft is provided with boss structure on the band belt wheel synchronously, on the plane of boss, frustum is set, and when belt wheel cooperated with the rotatingshaft installation synchronously, frustum was inserted in the hollow structure of rotatingshaft fully, and the plane and the rotatingshaft of boss fit tightly.
2. the drive mechanism of monopod video camera according to claim 1 is characterized in that: a plurality of screws pass synchronous band belt wheel vertically and rotatingshaft and band belt wheel are synchronously interfixed.
3. the drive mechanism of monopod video camera according to claim 1 is characterized in that: the internal diameter size of the hollow structure of rotatingshaft and band belt wheel institute cooperation place synchronously is identical with the intersection diameter that the maximum diameter of frustum is frustum and boss.
4. the drive mechanism of monopod video camera according to claim 3; It is characterized in that: the outer diameter of boss is greater than the diameter of bearing inner race; Also greater than the diameter of bearing inner race, rotatingshaft limits with respect to the position of bearing rotatingshaft when rotated away from the diameter of being with belt wheel one end synchronously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102611468A CN102359703A (en) | 2011-09-06 | 2011-09-06 | Transmission structure of PTZ (Pan/Tilt/Zoom) camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102611468A CN102359703A (en) | 2011-09-06 | 2011-09-06 | Transmission structure of PTZ (Pan/Tilt/Zoom) camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102359703A true CN102359703A (en) | 2012-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102611468A Pending CN102359703A (en) | 2011-09-06 | 2011-09-06 | Transmission structure of PTZ (Pan/Tilt/Zoom) camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102359703A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108366345A (en) * | 2018-02-12 | 2018-08-03 | 天津天地伟业信息系统集成有限公司 | A kind of WiFi probes are from motion tracking intelligent sphere |
| CN109899383A (en) * | 2017-12-07 | 2019-06-18 | 上海恩牧必精密轴承制造有限公司 | Unmanned machine head special bearing |
| CN112158698A (en) * | 2020-11-06 | 2021-01-01 | 田盼 | No dead angle elevator monitoring device based on thing networked control |
Citations (5)
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| JPH08146514A (en) * | 1994-11-25 | 1996-06-07 | Fuji Photo Optical Co Ltd | Universal head system |
| US5598207A (en) * | 1994-04-12 | 1997-01-28 | Hughes Electronics | Camera pointing mechanism using proximate magnetic sensing |
| US20030077082A1 (en) * | 2001-10-22 | 2003-04-24 | Elmo Co., Ltd. | Pan/tilt camera system |
| CN201803059U (en) * | 2010-02-25 | 2011-04-20 | 毕和军 | Integral heavy cradle head explosion-proof sealing structure |
| CN201804192U (en) * | 2010-08-30 | 2011-04-20 | 天津市亚安科技电子有限公司 | Outdoor pan-tilt camera shell sealing structure |
-
2011
- 2011-09-06 CN CN2011102611468A patent/CN102359703A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5598207A (en) * | 1994-04-12 | 1997-01-28 | Hughes Electronics | Camera pointing mechanism using proximate magnetic sensing |
| JPH08146514A (en) * | 1994-11-25 | 1996-06-07 | Fuji Photo Optical Co Ltd | Universal head system |
| US20030077082A1 (en) * | 2001-10-22 | 2003-04-24 | Elmo Co., Ltd. | Pan/tilt camera system |
| CN201803059U (en) * | 2010-02-25 | 2011-04-20 | 毕和军 | Integral heavy cradle head explosion-proof sealing structure |
| CN201804192U (en) * | 2010-08-30 | 2011-04-20 | 天津市亚安科技电子有限公司 | Outdoor pan-tilt camera shell sealing structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899383A (en) * | 2017-12-07 | 2019-06-18 | 上海恩牧必精密轴承制造有限公司 | Unmanned machine head special bearing |
| CN108366345A (en) * | 2018-02-12 | 2018-08-03 | 天津天地伟业信息系统集成有限公司 | A kind of WiFi probes are from motion tracking intelligent sphere |
| CN112158698A (en) * | 2020-11-06 | 2021-01-01 | 田盼 | No dead angle elevator monitoring device based on thing networked control |
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Application publication date: 20120222 |