CN102095060A - Machine core structure of heavy load holder - Google Patents
Machine core structure of heavy load holder Download PDFInfo
- Publication number
- CN102095060A CN102095060A CN2009102290455A CN200910229045A CN102095060A CN 102095060 A CN102095060 A CN 102095060A CN 2009102290455 A CN2009102290455 A CN 2009102290455A CN 200910229045 A CN200910229045 A CN 200910229045A CN 102095060 A CN102095060 A CN 102095060A
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- horizontal
- drive shaft
- cloud terrace
- worm screw
- heavily loaded
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- 238000003754 machining Methods 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 description 10
- 230000008859 change Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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- 238000007789 sealing Methods 0.000 description 1
- 230000005570 vertical transmission Effects 0.000 description 1
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Abstract
The invention relates to a machine core structure of a heavy load holder. The heavy load holder comprises a base, a machine core, a driving mechanism, a shell and a protecting cover; an elastic fixing part connected with the horizontal drive shaft and the inner wall of the shell is fixed on a horizontal drive shaft; the position of the horizontal drive shaft is limited by the elastic fixing part so that a horizontal worm screw and a horizontal worm gear keep close fit and keep stable running in fit. The tension generated by a constant force spring effectively solves the machining and abrading errors of the worm gear and the worm screw and can overcome the machining error of the horizontal worm gear and the horizontal worm screw and the abrading error after the horizontal worm gear and the horizontal worm screw run for a period of time so that the occlusal surfaces of the horizontal worm gear and the horizontal worm screw keep coincided all the time in the driving process; therefore, the error clearance of the worm gear and the worm screw is effectively solved, the heavy load holder smoothly runs on the horizontal direction, the stability of a camera in rotatably working is ensured, and the quality of horizontal images of the camera is better.
Description
Technical field
The present invention relates to the technical field of vidicon camera, be a kind of elastic fixed part that on horizontal drive shaft, is provided with specifically, limit the position of horizontal drive shaft by elastic fixed part, thereby make horizontal worm gear and horizontal worm screw keep the state that closely cooperates, guarantee the core structure of the heavily loaded The Cloud Terrace of vidicon camera horizontal image stability.
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 work 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 drives through speed reducer the horizontal teeth wheel disc rotation of The Cloud Terrace bottom.
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 by 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.
The maximum load of The Cloud Terrace is meant the maximum load capability that Vertical direction is born.The center of gravity of vidicon camera must be passed through the The Cloud Terrace gyration center, and vertical with the The Cloud Terrace working surface, and this center is the maximum load points of The Cloud Terrace, and the bearing capacity of The Cloud Terrace is as the design-calculated benchmark with this point.According to load capacity be divided into the underloading The Cloud Terrace, in carry The Cloud Terrace and heavily loaded The Cloud Terrace.
Fig. 1 is the structural representation of the heavily loaded The Cloud Terrace of prior art.
As shown in Figure 1, general heavily loaded The Cloud Terrace comprises: base 1, fix with the preset position of vidicon camera, and support heavily loaded The Cloud Terrace and vidicon camera; Movement 7 constitutes the driving and the drive part of heavily loaded The Cloud Terrace; Shell is arranged on outside the movement, surrounds and the protection movement; Guard shield is made of with the guard shield connecting plate 5 that is connected end plate the end plate 9 that is separately positioned on the shell both sides, and vidicon camera is fixed on the guard shield connecting plate 5; Driving mechanism is divided into horizontal drive shaft 8 and vertical drive shaft 6, and movement is connected with end plate with base respectively, and vidicon camera is rotated simultaneously in the horizontal and vertical directions.
The vertical drive shaft of heavy duty The Cloud Terrace can connect movement and guard shield rotates vidicon camera in vertical direction, and itself is in the state of being horizontally disposed with vertical drive shaft, and as the guard shield running shaft.Axle sleeve 2, pedestal 4 and vertical worm gear 3 are set, with the driving transmission of motor on vertical drive shaft.Feathering axis 8 connects movement and base, and vidicon camera can be rotated in the horizontal direction, and feathering axis itself is in vertical installment state.
Driving mechanism, be divided into horizontal motor and motor vertical, the horizontal worm screw rotation of horizontal driven by motor, and horizontal worm screw and the horizontal worm wheel that is fixed on the horizontal drive shaft, thereby heavily loaded The Cloud Terrace is rotated in the horizontal direction, motor vertical drives the rotation of vertical worm screw, and vertical worm screw be fixed on vertical drive shaft on vertical worm wheel, thereby heavily loaded The Cloud Terrace is rotated in vertical direction;
But, there is following not enough point in the aforesaid prior art:
In the heavily loaded The Cloud Terrace of prior art, the real standard image effect of the vidicon camera that carries depends on the degree of stability when heavily loaded The Cloud Terrace rotates in the horizontal direction, and heavily loaded The Cloud Terrace horizontally rotate the degree of adaptability that stability depends on Horizontal Drive mechanism and horizontal driving mechanism in the movement, because each parts must be processed separately and carry out, tend to the problem that occurred level worm gear and horizontal worm screw occlusal surface do not overlap in actual course of working, can there be fractional error in cooperation between the two.And in the using process of heavily loaded The Cloud Terrace, because long-term operation wearing and tearing, also the slit can occur between horizontal worm screw and the horizontal worm gear, thereby it is revolving in the horizontal direction level and smooth and stable to have influence on heavily loaded The Cloud Terrace, also therefore has influence on the horizontal image quality of vidicon camera.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of elastic fixed part that is provided with on horizontal drive shaft, limit the position of horizontal drive shaft by elastic fixed part, thereby make horizontal worm gear and horizontal worm screw keep the state that closely cooperates, guarantee the core structure of the heavily loaded The Cloud Terrace of vidicon camera horizontal image stability.
The technological scheme that the present invention takes for the technical problem that exists in the solution known technology is:
The core structure of heavily loaded The Cloud Terrace of the present invention, above-mentioned heavily loaded The Cloud Terrace comprises: base, fix with the preset position of vidicon camera, support heavily loaded The Cloud Terrace and vidicon camera; Movement constitutes the transmission and the drive part of heavily loaded The Cloud Terrace; Driving mechanism is divided into horizontal drive shaft and vertical drive shaft, and movement is connected with end plate with base respectively; Driving mechanism, be divided into horizontal motor and motor vertical, the horizontal worm screw rotation of horizontal driven by motor, and horizontal worm screw and the horizontal worm wheel that is fixed on the horizontal drive shaft, thereby heavily loaded The Cloud Terrace is rotated in the horizontal direction, motor vertical drives the rotation of vertical worm screw, and vertical worm screw be fixed on vertical drive shaft on vertical worm wheel, thereby heavily loaded The Cloud Terrace is rotated in vertical direction; Shell is arranged on outside the movement, surrounds and the protection movement; Guard shield, constitute with the guard shield connecting plate that is connected end plate by the end plate that is separately positioned on the shell both sides, vidicon camera is fixed on the guard shield connecting plate, the elastic fixed part of fixedly connected horizontal drive shaft and outer casing inner wall on horizontal drive shaft, by the position of elastic fixed part qualification horizontal drive shaft, make horizontal worm screw and horizontal worm gear keep closely cooperating.
The present invention can also adopt following technical measures:
Above-mentioned elastic fixed part is a constant force spring, and an end of constant force spring is fastened on horizontal drive shaft, and the other end is fixed on the inner bottom surface of shell.
The inner bottom surface of described shell is provided with the fixedly spring screens of constant force spring.
Advantage and good effect that the present invention has are:
In the core structure of heavily loaded The Cloud Terrace of the present invention, between the spring screens of the inside of horizontal drive shaft and shell, constant force spring is set, by constant force spring pulling horizontal drive shaft, make horizontal drive shaft change the position that limits according to actual conditions, promptly constantly keep closely cooperating between horizontal worm gear fixing on the horizontal drive shaft and the horizontal worm screw, make both cooperate the maintenance steady running, because spring travel does not change in equipment running process, so the pulling force of spring is constant, the constant force spring pulling force effectively solves worm and gear processing and wear error, the pulling force that produces by constant force spring can overcome horizontal worm gear and mutual machining error and the wear error after operation a period of time of horizontal worm screw, make horizontal worm gear and horizontal worm screw in transmission process, occlusal surface keeps overlapping forever; Thereby effectively solve worm and gear error gap, make heavily loaded The Cloud Terrace smooth rotation in the horizontal direction, guaranteed vidicon camera stable when rotation work, from but the horizontal image better quality of vidicon camera.
Description of drawings
Fig. 1 is the structural representation of the heavily loaded The Cloud Terrace of prior art;
Fig. 2 is the structural representation of heavily loaded The Cloud Terrace of the present invention;
Fig. 3 is the core structure schematic representation of heavily loaded The Cloud Terrace of the present invention;
Fig. 4 is the plan view in horizontal worm gear part of the core structure of heavily loaded The Cloud Terrace of the present invention.
Embodiment
It is following that the present invention will be described in detail with reference to drawings and Examples.
Fig. 2 is the structural representation of heavily loaded The Cloud Terrace of the present invention; Fig. 3 is the core structure schematic representation of heavily loaded The Cloud Terrace of the present invention; Fig. 4 is the plan view in horizontal worm gear part of the core structure of heavily loaded The Cloud Terrace of the present invention.
To shown in Figure 4, heavily loaded The Cloud Terrace comprises as Fig. 2: base 1, fix with the preset position of vidicon camera, and support heavily loaded The Cloud Terrace and vidicon camera; Movement constitutes the driving and the drive part of heavily loaded The Cloud Terrace, drives with the fixing vidicon camera of heavily loaded The Cloud Terrace to rotate on Vertical direction and substantially horizontal; Shell 11 is arranged on outside the movement, surrounds and the protection movement; Guard shield, constitute with the guard shield connecting plate 5 that is connected end plate by the end plate 9 that is separately positioned on the shell both sides, vidicon camera is fixed on the guard shield connecting plate, limited bolt 13 and the steering channel that cooperatively interacts is set respectively on shell and end plate, thereby limits the angle that guard shield rotates in vertical direction; Driving mechanism, be divided into horizontal drive shaft 8 and vertical drive shaft, horizontal drive shaft 8 is connected movement respectively with base, heavily loaded The Cloud Terrace can be rotated in the horizontal direction, horizontal drive shaft itself is in vertically arranged state, vertical drive shaft is connected movement with end plate, vidicon camera can be rotated in vertical direction, and vertical drive shaft is in the installment state of level.Driving mechanism, be divided into horizontal motor and motor vertical, horizontal worm screw 17 rotations of horizontal driven by motor, and horizontal worm screw is matched with horizontal worm gear 18 on being fixed on horizontal drive shaft, thereby heavily loaded The Cloud Terrace is rotated in the horizontal direction, motor vertical drives 15 rotations of vertical worm screw, and vertical worm screw is matched with vertical worm gear 3 on being fixed on vertical drive shaft, thereby heavily loaded The Cloud Terrace is rotated in vertical direction.Gravity compensation portion 10 is set respectively on the end plate of heavily loaded The Cloud Terrace both sides, and gravity compensation portion and guard shield connecting plate are separately positioned on the both sides of vertical drive shaft and end plate fixed position, thereby make the gravity of gravity compensation portion 10 produce moment with respect to vertical drive shaft.
The elastic fixed part 19 of fixedly connected horizontal drive shaft 8 and outer casing inner wall on horizontal drive shaft 8, limit the position of horizontal drive shaft by elastic fixed part, horizontal worm gear 18 is near horizontal worm screw 17 under the effect of elastic fixed part, make horizontal worm screw 17 and horizontal worm gear 18 keep constantly closely cooperating, both are consistent by the occlusal surface in rotation.
Above-mentioned elastic fixed part is a constant force spring, and the pulling force that horizontal drive shaft is subjected in operation process keeps constant, thereby guarantees that horizontal worm gear 18 always keeps identical contact condition with horizontal worm screw 17.One end of constant force spring is fastened on horizontal drive shaft, and the other end is fixed in the spring screens 20 of inner bottom surface of shell.
The weight of both sides gravity compensation portion can change according to actual conditions, and gravity compensation portion can adjust according to the weight of vidicon camera and the weight distribution situation of guard shield.Because end plate and guard shield connecting plate self have constant weight equally, the end plate that gravity compensation portion 10 and its are positioned at the vertical drive shaft homonymy equals to be fixed with the moment of the end plate of the guard shield connecting plate of vidicon camera and respective side with respect to the vertical drive shaft fixed position with respect to the moment of vertical drive shaft fixed position 12.Make the guard shield of vertical drive shaft both sides and the gravity of vidicon camera keep state of equilibrium, whole center of gravity drops on the axle center of horizontal drive shaft.
In the core structure of heavily loaded The Cloud Terrace of the present invention, between the spring screens of the inside of horizontal drive shaft and shell, constant force spring is set, by constant force spring pulling horizontal drive shaft, make horizontal drive shaft change the position that limits according to actual conditions, promptly constantly keep closely cooperating between horizontal worm gear fixing on the horizontal drive shaft and the horizontal worm screw, make both cooperate the maintenance steady running, because spring travel does not change in equipment running process, so the pulling force of spring is constant, the constant force spring pulling force effectively solves worm and gear processing and wear error, the pulling force that produces by constant force spring can overcome horizontal worm gear and mutual machining error and the wear error after operation a period of time of horizontal worm screw, make horizontal worm gear and horizontal worm screw in transmission process, occlusal surface keeps overlapping forever; Thereby effectively solve worm and gear error gap, make heavily loaded The Cloud Terrace smooth rotation in the horizontal direction, guaranteed vidicon camera stable when rotation work, from but the horizontal image better quality of vidicon camera.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention with preferred embodiment openly as above, yet, be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, certainly can utilize the technology contents of announcement to make a little change or modification, become the equivalent embodiment of equivalent variations, be the content that does not break away from technical solution of the present invention in every case, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all belong in the scope of technical solution of the present invention.
Claims (3)
1. the core structure of a heavily loaded The Cloud Terrace, above-mentioned heavily loaded The Cloud Terrace comprises: base, fix with the preset position of vidicon camera, support heavily loaded The Cloud Terrace and vidicon camera; Movement constitutes the transmission and the drive part of heavily loaded The Cloud Terrace; Driving mechanism is divided into horizontal drive shaft and vertical drive shaft, and movement is connected with end plate with base respectively; Driving mechanism, be divided into horizontal motor and motor vertical, the horizontal worm screw rotation of horizontal driven by motor, and horizontal worm screw and the horizontal worm wheel that is fixed on the horizontal drive shaft, thereby heavily loaded The Cloud Terrace is rotated in the horizontal direction, motor vertical drives the rotation of vertical worm screw, and vertical worm screw be fixed on vertical drive shaft on vertical worm wheel, thereby heavily loaded The Cloud Terrace is rotated in vertical direction; Shell is arranged on outside the movement, surrounds and the protection movement; Guard shield, constitute with the guard shield connecting plate that is connected end plate by the end plate that is separately positioned on the shell both sides, vidicon camera is fixed on the guard shield connecting plate, it is characterized in that: the elastic fixed part of fixedly connected horizontal drive shaft and outer casing inner wall on horizontal drive shaft, by the position of elastic fixed part qualification horizontal drive shaft, make horizontal worm screw and horizontal worm gear keep closely cooperating.
2. the core structure of heavily loaded The Cloud Terrace according to claim 1, it is characterized in that: above-mentioned elastic fixed part is a constant force spring, and an end of constant force spring is fastened on horizontal drive shaft, and the other end is fixed on the inner bottom surface of shell.
3. the core structure of heavily loaded The Cloud Terrace according to claim 2, it is characterized in that: the inner bottom surface of shell is provided with the fixedly spring screens of constant force spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102290455A CN102095060A (en) | 2009-12-09 | 2009-12-09 | Machine core structure of heavy load holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102290455A CN102095060A (en) | 2009-12-09 | 2009-12-09 | Machine core structure of heavy load holder |
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| Publication Number | Publication Date |
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| CN102095060A true CN102095060A (en) | 2011-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009102290455A Pending CN102095060A (en) | 2009-12-09 | 2009-12-09 | Machine core structure of heavy load holder |
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| CN (1) | CN102095060A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996984A (en) * | 2011-09-09 | 2013-03-27 | 深圳市大疆创新科技有限公司 | Gyro-type dynamic self-balancing pan-tilt |
| CN104266045A (en) * | 2014-09-25 | 2015-01-07 | 苏州信达光电科技有限公司 | Multifunctional mini-bracket |
| CN105822879A (en) * | 2015-01-06 | 2016-08-03 | 沈阳新松机器人自动化股份有限公司 | Motion platform having three freedoms of rotation |
| US10321060B2 (en) | 2011-09-09 | 2019-06-11 | Sz Dji Osmo Technology Co., Ltd. | Stabilizing platform |
| US10334171B2 (en) | 2013-10-08 | 2019-06-25 | Sz Dji Osmo Technology Co., Ltd. | Apparatus and methods for stabilization and vibration reduction |
| CN111438677A (en) * | 2020-05-07 | 2020-07-24 | 西安瑞信铁路设备有限公司 | Robot is patrolled and examined to unmanned on duty computer lab |
| US10747225B2 (en) | 2013-07-31 | 2020-08-18 | SZ DJI Technology Co., Ltd. | Remote control method and terminal |
| CN112901935A (en) * | 2021-01-20 | 2021-06-04 | 南京工程学院 | Data acquisition device capable of being remotely monitored and use method thereof |
| CN114321604A (en) * | 2021-12-31 | 2022-04-12 | 北京有竹居网络技术有限公司 | Worm gear transmission assembly, driving device, holder and image acquisition device |
| CN115930049A (en) * | 2022-12-22 | 2023-04-07 | 深圳市尚为照明有限公司 | A heavy-duty pan-tilt with self-locking structure |
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| JPH11309278A (en) * | 1998-04-30 | 1999-11-09 | Takara Co Ltd | Spring unit |
| CN2359744Y (en) * | 1998-07-02 | 2000-01-19 | 欣弘科技股份有限公司 | An Improved Scanner Transmission Mechanism |
| CN201269035Y (en) * | 2008-06-06 | 2009-07-08 | 金男顺 | Electric self-balancing door curtain |
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2009
- 2009-12-09 CN CN2009102290455A patent/CN102095060A/en active Pending
Patent Citations (4)
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|---|---|---|---|---|
| CN2092655U (en) * | 1991-05-24 | 1992-01-08 | 常州市江南自动化设备厂 | Motor-drive stand |
| JPH11309278A (en) * | 1998-04-30 | 1999-11-09 | Takara Co Ltd | Spring unit |
| CN2359744Y (en) * | 1998-07-02 | 2000-01-19 | 欣弘科技股份有限公司 | An Improved Scanner Transmission Mechanism |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11140322B2 (en) | 2011-09-09 | 2021-10-05 | Sz Dji Osmo Technology Co., Ltd. | Stabilizing platform |
| US10321060B2 (en) | 2011-09-09 | 2019-06-11 | Sz Dji Osmo Technology Co., Ltd. | Stabilizing platform |
| CN102996984A (en) * | 2011-09-09 | 2013-03-27 | 深圳市大疆创新科技有限公司 | Gyro-type dynamic self-balancing pan-tilt |
| US10747225B2 (en) | 2013-07-31 | 2020-08-18 | SZ DJI Technology Co., Ltd. | Remote control method and terminal |
| US11385645B2 (en) | 2013-07-31 | 2022-07-12 | SZ DJI Technology Co., Ltd. | Remote control method and terminal |
| US11134196B2 (en) | 2013-10-08 | 2021-09-28 | Sz Dji Osmo Technology Co., Ltd. | Apparatus and methods for stabilization and vibration reduction |
| US10334171B2 (en) | 2013-10-08 | 2019-06-25 | Sz Dji Osmo Technology Co., Ltd. | Apparatus and methods for stabilization and vibration reduction |
| US11962905B2 (en) | 2013-10-08 | 2024-04-16 | Sz Dji Osmo Technology Co., Ltd. | Apparatus and methods for stabilization and vibration reduction |
| CN104266045A (en) * | 2014-09-25 | 2015-01-07 | 苏州信达光电科技有限公司 | Multifunctional mini-bracket |
| CN105822879A (en) * | 2015-01-06 | 2016-08-03 | 沈阳新松机器人自动化股份有限公司 | Motion platform having three freedoms of rotation |
| CN111438677A (en) * | 2020-05-07 | 2020-07-24 | 西安瑞信铁路设备有限公司 | Robot is patrolled and examined to unmanned on duty computer lab |
| CN112901935A (en) * | 2021-01-20 | 2021-06-04 | 南京工程学院 | Data acquisition device capable of being remotely monitored and use method thereof |
| CN112901935B (en) * | 2021-01-20 | 2023-06-16 | 南京工程学院 | Data acquisition device capable of being remotely monitored and application method thereof |
| CN114321604A (en) * | 2021-12-31 | 2022-04-12 | 北京有竹居网络技术有限公司 | Worm gear transmission assembly, driving device, holder and image acquisition device |
| CN114321604B (en) * | 2021-12-31 | 2024-03-26 | 北京有竹居网络技术有限公司 | Worm gear transmission components, driving devices, pan-tilts and image acquisition devices |
| CN115930049A (en) * | 2022-12-22 | 2023-04-07 | 深圳市尚为照明有限公司 | A heavy-duty pan-tilt with self-locking structure |
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Application publication date: 20110615 |