CN110690771A - Small-sized servo rotary platform with wireless communication function - Google Patents
Small-sized servo rotary platform with wireless communication function Download PDFInfo
- Publication number
- CN110690771A CN110690771A CN201910851345.0A CN201910851345A CN110690771A CN 110690771 A CN110690771 A CN 110690771A CN 201910851345 A CN201910851345 A CN 201910851345A CN 110690771 A CN110690771 A CN 110690771A
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- stator
- wireless communication
- power supply
- precision
- shaft
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/0094—Structural association with other electrical or electronic devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/22—Optical devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Brushless Motors (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention relates to a small servo rotary platform with wireless communication. The equipment comprises a precision shaft system, a wireless power supply module and a wireless communication module, wherein the precision shaft system is arranged in a stator installation protective cover, one end of the precision shaft system is a rotating platform for installing an information acquisition device, the other end of the precision shaft system is coaxially installed with a hollow photoelectric coded disc through a rotating shaft, the photoelectric coded disc is used for detecting the rotating speed and the position information of the precision shaft system and providing a servo control signal for a control system, the wireless communication module carries out information transmission on the information acquired by the information acquisition device in an atmospheric space through a laser beam, and the wireless power supply module supplies power for a non-contact induction power supply and is used for supplying power to the information acquisition device and; the precision shafting comprises a driving motor, a thin-ring precision bearing, an upper rotating shaft and a lower rotating shaft, a motor rotor is connected with the lower rotating shaft, the thin-ring precision bearing is arranged on a shaft shoulder at the periphery of the upper rotating shaft through a bearing stator seat, and the bearing stator seat is arranged in a cavity of the motor rotor.
Description
Technical Field
The invention relates to the technical field of wireless communication equipment, in particular to a small servo rotary platform with wireless communication.
Background
The atmospheric laser communication technology is a technology for carrying out information bidirectional transmission in atmospheric space by using laser beams as carriers, and combines the advantages of optical fiber communication and microwave communication. The atmospheric laser communication technology has the characteristics of good monochromaticity, strong directivity, concentrated optical power and the like, not only has large capacity and high transmission speed, but also has the advantages of no need of laying optical fibers, quick erection, flexibility, convenience, good concealment, good confidentiality and low cost, thereby having remarkable application advantages and being widely and deeply applied in the civil and military fields.
When the rotating speed and the position of the information acquisition device are acquired, the device usually works through the combination of a plurality of devices, the occupied space is large, the installation and carrying are inconvenient, the operation is complex, and the joint work of the plurality of devices can cause hidden troubles such as cable winding. At present, the developed atmospheric laser communication equipment has large volume, heavier weight, serious limitation on flexibility and high power consumption of the whole machine; particularly, the field vehicle-mounted environment is severe, which brings great difficulty to field vehicle-mounted information transmission work, and the existing wireless communication equipment is not suitable for portable use. Accordingly, the inventors provide a small servo rotary platform with wireless communication.
Disclosure of Invention
The embodiment of the invention provides a small servo rotary platform with wireless communication, which can be used for acquiring the rotating speed and position information of an information acquisition device, integrates a wireless communication module and a wireless power supply module, and solves the problems that the conventional wireless laser communication equipment is large in size, limited in flexibility and not suitable for being used in a field vehicle-mounted environment in a portable mode.
The embodiment of the invention provides a small servo rotating platform with wireless communication, which comprises a precision shaft system, a wireless power supply module and a wireless communication module, wherein the precision shaft system, the wireless power supply module and the wireless communication module are arranged in a stator installation protective cover, one end of the precision shaft system is a rotating platform for installing an information acquisition device, the other end of the precision shaft system is coaxially arranged with a hollow photoelectric code disc 18 through a rotating shaft, the photoelectric code disc 18 is used for detecting the rotating speed and the position information of the precision shaft system and providing a servo control signal for a control system, the wireless communication module transmits the information acquired by the information acquisition device in an atmospheric space through a laser beam, the wireless power supply module supplies power for non-contact induction and is used for supplying power to the information acquisition device and a laser to emit the laser beam, the precision shaft system comprises a driving motor, a thin-ring precision bearing 21, an upper rotating shaft 1, go up the upper end of pivot 1 do rotary platform, its lower tip with pivot 6 can dismantle the connection down, driving motor's motor rotor 20 with pivot 6 is connected down, thin circle precision bearing 21's outer lane is built-in on bearing stator seat 3, the inner circle of thin circle precision bearing 21 is installed go up on the shaft shoulder of 1 periphery of pivot, bearing stator seat 3 is built-in the cavity of motor rotor 20, driving motor's motor stator 19 with bearing stator seat 3 all installs in the cavity on stator installation safety cover upper portion, photoelectricity code wheel 18 is installed through code wheel seat 8 the periphery of pivot 6 down.
Further, stator installation safety cover is including dismantling stator mount pad 7 and the wireless power supply stator support 11 of connection, motor stator 19 is installed in the safety cover of stator mount pad 7, wireless power supply stator support 11 is established the bottom of stator mount pad 7 for the stator part of installation wireless power supply module and wireless communication module.
Further, the inner wall of the stator mounting seat 7 is provided with a mounting boss, the motor stator 19 is mounted on the lower portion of the mounting boss through a motor stator adjusting pad 4, and the motor stator adjusting pad 4, the motor stator 19 and the bearing stator seat 3 share the bolt hole on the mounting boss and are mounted inside the stator mounting seat 7.
Further, go up pivot 1 and be from last to the step shaft structure that the diameter diminishes down, the up end of going up pivot 1 is equipped with a plurality of mounting holes for installation information acquisition device, thin circle precision bearing 21 is installed go up on the step shaft shoulder of 1 interlude of pivot.
Further, the lower rotating shaft 6 is of a stepped shaft structure with a diameter decreasing from top to bottom, and the lower end face of the lower rotating shaft is connected with the wireless communication module through a wireless communication circuit adaptor 9.
Further, the wireless communication module comprises a wireless communication rotor circuit board 17 and a wireless communication stator circuit board 13, the wireless communication rotor circuit board 17 is arranged in a cavity of the wireless communication rotor switching slot 10, and the wireless communication stator circuit board 13 is arranged in the center of the outer portion of the protective cover of the wireless power supply stator support 11 through a wireless communication stator mounting seat 12 and used for transmitting information outwards.
Further, the wireless power supply module comprises a wireless power supply stator circuit board 15 and a wireless power supply rotor circuit board 16 which are arranged in a non-contact mode, a gap is reserved between the wireless power supply stator circuit board 15 and the wireless power supply rotor circuit board 16, the wireless power supply stator circuit board 15 is installed at the bottom of the protective cover of the wireless power supply stator support 11, and the wireless power supply rotor circuit board 16 is installed at the bottom of the wireless communication rotor switching groove 10 and is arranged on the upper portion of the wireless power supply stator circuit board 15.
Furthermore, a bearing pressing plate 2 is arranged at the upper end of the bearing stator seat 3, and the bearing pressing plate 2 is sleeved on the periphery of the upper rotating shaft 1 and plays a role in sealing and positioning the thin-ring precision bearing 21.
Further, the lower end face of the thin-ring precision bearing 21 is also provided with a locking nut 5, and the locking nut is sleeved on the periphery of the upper rotating shaft and used for locking and limiting the thin-ring precision bearing 21.
Further, the stator installation protective cover, the precision shaft system, the wireless power supply module and the wireless communication module are coaxially and symmetrically installed, and the installation center is a through hole.
In conclusion, the invention integrates the precision shafting, the wireless power supply module and the wireless communication module, and arranges the components in the stator installation protective cover, so that the whole integration level of the device is high, the installation is compact, and the space utilization rate is high, wherein, the precision shafting can reduce the radial size of the shafting by utilizing the thin-ring bearing, the axial size of the shafting is shortened by arranging the hollow photoelectric encoder in the cavity of the motor rotor at the shaft end, and the device also integrates the wireless communication circuit module and the wireless power supply circuit module in the limited size, and the hidden trouble of winding of the cable in the rotation is avoided by adopting the wireless power supply and communication mode of the device. The equipment has light weight, low energy consumption and convenient movement, and can be quickly installed and replaced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is an axial schematic view of a small servo rotary platform with wireless communication according to an embodiment of the present invention.
Fig. 2 is a cross-sectional view of a small servo rotary platform with wireless communication of fig. 1.
In the figure:
1-an upper rotating shaft; 2-bearing press plate; 3-bearing stator seat; 4-motor stator adjusting pad; 5-locking the nut; 6-lower rotating shaft; 7-a stator mounting seat; 8-code disc seat; 9-a wireless communication circuit adaptor; 10-a wireless communication rotor switching slot; 11-a wireless power supply stator support; 12-a wireless communication stator mount; 13-a wireless communication stator circuit board; 14-a motion controller; 15-wireless power supply stator circuit board; 16-a wireless power supply rotor circuit board; 17-a wireless communication rotor circuit board; 18-photoelectric code disc; 19-a motor stator; 20-a motor rotor; 21-thin ring precision bearing.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the invention and are not intended to limit the scope of the invention, i.e., the invention is not limited to the embodiments described, but covers any modifications, alterations, and improvements in the parts, components, and connections without departing from the spirit of the invention.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 1 and 2 are schematic diagrams of a small servo rotary platform with wireless communication according to an embodiment of the present invention, as shown in fig. 2, the device comprises a precision shaft system, a wireless power supply module and a wireless communication module which are arranged in a stator installation protective cover, one end of the precision shaft system is a rotary platform for installing an information acquisition device, the other end of the precision shaft system is coaxially installed with a hollow photoelectric code disc 18 through a rotating shaft, the photoelectric code disc 18 is used for indirectly acquiring the rotating speed and position information of the information acquisition device through the precision shaft system, the photoelectric coded disc (18) is used for detecting the rotating speed and the position information of the precision shafting and providing a servo control signal for a control system, the wireless communication module transmits the information collected by the information collection device in the atmospheric space through the laser beam, the wireless power supply module supplies power for non-contact induction and is used for supplying power to the information acquisition device and the laser to emit laser beams; wherein the precision shaft system comprises a driving motor, a thin-ring precision bearing 21, an upper rotating shaft 1 and a lower rotating shaft 6 which are of sleeve structures, the rotating platform is arranged at the upper end part of the upper rotating shaft 1, the rotating platform is provided with a mounting hole which is convenient to be mounted with a load device such as an information acquisition device, the lower end part of the upper rotating shaft 1 is detachably connected with the lower rotating shaft 6, the motor rotor 20 of the driving motor is connected with the lower rotating shaft 6, the outer ring of the thin-ring precision bearing 21 is arranged on the bearing stator seat 3 in a built-in mode, the inner ring of the thin-ring precision bearing 21 is arranged on the shaft shoulder at the periphery of the upper rotating shaft 1, the bearing stator seat 3 is arranged in the cavity of the motor rotor 20, the motor stator 19 of the driving motor and the bearing stator seat 3 are both installed in a cavity on the upper portion of the stator installation protection cover, and the photoelectric coded disc 18 is installed on the periphery of the lower rotating shaft 6 through the coded disc seat 8. The hollow photoelectric coded disc 18 is in conical surface fit contact with the coded disc seat 8, and the hollow photoelectric coded disc and the coded disc seat can be screwed tightly by screws.
It should be noted that the equipment has the stator installation protective cover, the precision shaft system, the wireless power supply module and the wireless communication module which are coaxially and symmetrically installed, and the installation center is a through hole. The coaxial symmetrical installation mode enables the structure installation to be more compact, reduces the overall space size of the equipment, enables the laser beam to pass through smoothly due to the fact that the center of the equipment is a through hole, and is beneficial to signal transmission. In addition, in order to reduce the weight of the mechanical structure of the equipment, the main frame structure can be made of aluminum alloy. The servo rotary platform is small in size, light in weight, low in energy consumption and high in precision, can provide rotation rate and position signals, further integrates a wireless communication module and a wireless power supply module, is convenient to install and quick to replace, and is suitable for field vehicle-mounted environments.
As a preferred real-time mode, the stator installation protection cover comprises a stator installation base 7 and a wireless power supply stator support 11 which are detachably connected, a motor stator 19 is installed in the protection cover of the stator installation base 7, and the wireless power supply stator support 11 is arranged at the bottom of the stator installation base 7 and used for installing a stator part of a wireless power supply module and a wireless communication module. The inner wall of the stator mounting seat 7 is provided with a mounting boss, the motor stator 19 is mounted on the lower portion of the mounting boss through the mounting motor stator adjusting pad 4, and the motor stator adjusting pad 4, the motor stator 19 and the bearing stator seat 3 are mounted inside the stator mounting seat 7 together through bolt holes on the mounting boss shared by the motor stator adjusting pad 4, the motor stator 19 and the bearing stator seat 3. It should be noted that, a quick installation interface is further designed on the stator installation seat 7, so that the installation and replacement of the internal precision shafting, the wireless power supply module and the wireless communication module are more convenient and quicker.
As another preferred embodiment, the upper rotating shaft 1 is a stepped shaft structure with a diameter decreasing from top to bottom, the shaft diameter of the designed position of the stepped shaft needs to be matched according to the parts mounted thereon, the upper end face of the upper rotating shaft is provided with a plurality of mounting holes for mounting the information acquisition device, and the thin-ring precision bearing 21 is mounted on the stepped shaft shoulder at the middle section of the upper rotating shaft 1.
Preferably, the lower rotating shaft 6 is of a stepped shaft structure with the diameter decreasing from top to bottom, the lower end face of the lower rotating shaft is connected with the rotor circuit board 17 of the wireless communication module through the wireless communication circuit adapter 9, the information acquired by the information acquisition device is transmitted to the wireless communication stator circuit board 13 through the laser emitted by the laser on the wireless communication rotor circuit board 17, and therefore wireless transmission from the rotor to the stator is achieved.
The wireless communication module comprises a wireless communication rotor circuit board 17 and a wireless communication stator circuit board 13, the wireless communication rotor circuit board 17 is arranged in a cavity of the wireless communication rotor switching groove 10 and plays a role in protecting the circuit boards, and the wireless communication stator circuit board 13 is arranged in the center of the outer portion of a protective cover of the wireless power supply stator support 11 through a wireless communication stator mounting seat 12 and used for transmitting information outwards. In practice, the thickness of the wireless communication stator mounting base 12 can be changed by milling or grinding, so as to adjust the mounting distance between the wireless communication stator circuit board 13 and the wireless communication rotor circuit board 17.
As an alternative embodiment, a motion controller 14 may be mounted outside the wirelessly powered stator support 11 to control the motion of the precision shafting.
In conclusion, the servo rotary platform device utilizes the thin-ring precision bearing to reduce the radial size of a shaft system, the bearing pretightening force is moderate, the friction torque of the shaft system is small, the bearing stator seat is internally arranged in the cavity of a motor rotor, the shaft end is provided with the hollow photoelectric encoder, the axial size of the shaft system is shortened, the device integrates the wireless communication circuit module and the wireless power supply circuit module in a limited size, the stator mounting seat is provided with the quick mounting interface, the device is light in weight, low in energy consumption and convenient to move, and can be quickly mounted and replaced.
Claims (10)
1. A small servo rotary platform with wireless communication is characterized by comprising a precision shaft system, a wireless power supply module and a wireless communication module, wherein the precision shaft system, the wireless power supply module and the wireless communication module are arranged in a stator installation protective cover, one end of the precision shaft system is a rotary platform for installing an information acquisition device, the other end of the precision shaft system is coaxially installed with a hollow photoelectric coded disc (18) through a rotating shaft, the photoelectric coded disc (18) is used for detecting the rotating speed and the position information of the precision shaft system and providing a servo control signal for a control system, the wireless communication module carries out information transmission on the information acquired by the information acquisition device in an atmospheric space through a laser beam, and the wireless power supply module supplies power for non-contact induction and is used for supplying power to the information acquisition device; wherein the precision shaft system comprises a driving motor, a thin-ring precision bearing (21), an upper rotating shaft (1) and a lower rotating shaft (6) which are of a sleeve structure, the upper end part of the upper rotating shaft (1) is the rotating platform, the lower end part of the driving motor is detachably connected with the lower rotating shaft (6), a motor rotor (20) of the driving motor is connected with the lower rotating shaft (6), the outer ring of the thin-ring precision bearing (21) is arranged in the bearing stator seat (3), the inner ring of the thin-ring precision bearing (21) is arranged on a shaft shoulder at the periphery of the upper rotating shaft (1), the bearing stator seat (3) is arranged in a cavity of the motor rotor (20), the motor stator (19) of the driving motor and the bearing stator seat (3) are both arranged in a cavity at the upper part of the stator installation protective cover, the photoelectric coded disc (18) is arranged on the periphery of the lower rotating shaft (6) through a coded disc seat (8).
2. The compact servo rotary platform of claim 1, characterized in that the stator mounting protective cover comprises a detachably connected stator mounting base (7) and a wirelessly powered stator bracket (11), the motor stator (19) is mounted in the protective cover of the stator mounting base (7), and the wirelessly powered stator bracket (11) is provided at the bottom of the stator mounting base (7) for mounting the stator part of the wirelessly powered module and the wirelessly communicating module.
3. The small servo rotary platform according to claim 2, characterized in that the inner wall of the stator mounting seat (7) is provided with a mounting boss, the motor stator (19) is mounted at the lower part of the mounting boss through mounting a motor stator adjusting pad (4), and the motor stator adjusting pad (4), the motor stator (19) and the bearing stator seat (3) are mounted inside the stator mounting seat (7) together by sharing a bolt hole on the mounting boss.
4. The small-sized servo rotary platform according to claim 2, wherein the upper rotary shaft (1) is a stepped shaft structure with a diameter decreasing from top to bottom, the upper end surface of the upper rotary shaft (1) is provided with a plurality of mounting holes for mounting an information acquisition device, and the thin-ring precision bearing (21) is mounted on a stepped shaft shoulder at the middle section of the upper rotary shaft (1).
5. The small servo rotary platform according to claim 4, characterized in that the lower rotary shaft (6) is a stepped shaft structure with a diameter decreasing from top to bottom, and the lower end surface of the lower rotary shaft is connected with the wireless communication module through a wireless communication circuit adaptor (9).
6. The small servo rotary platform according to claim 5, characterized in that the wireless communication module comprises a wireless communication rotor circuit board (17) and a wireless communication stator circuit board (13), the wireless communication rotor circuit board (17) is arranged in the cavity of the wireless communication rotor switching slot (10), and the wireless communication stator circuit board (13) is arranged at the center of the outer part of the protective cover of the wireless power supply stator bracket (11) through a wireless communication stator mounting seat (12) and is used for transmitting information outwards.
7. The small servo rotary platform according to claim 6, wherein the wireless power supply module comprises a wireless power supply stator circuit board (15) and a wireless power supply rotor circuit board (16) which are arranged in a non-contact manner, a gap is reserved between the wireless power supply stator circuit board (15) and the wireless power supply rotor circuit board (16), the wireless power supply stator circuit board (15) is installed at the bottom of the protective cover of the wireless power supply stator support (11), and the wireless power supply rotor circuit board (16) is installed at the bottom of the wireless communication rotor switching slot (10) and is arranged at the upper part of the wireless power supply stator circuit board (15).
8. The small servo rotary platform according to claim 1, characterized in that a bearing pressure plate (2) is arranged at the upper end of the bearing stator seat (3), and the bearing pressure plate (2) is sleeved on the periphery of the upper rotary shaft (1) to seal and position the thin-ring precision bearing (21).
9. The small servo rotary platform according to claim 1, wherein a locking nut (5) is further disposed on a lower end surface of the thin-ring precision bearing (21), and the locking nut is sleeved on the outer periphery of the upper rotary shaft and used for locking and limiting the thin-ring precision bearing (21).
10. The compact servo rotary platform of any one of claims 1 to 9, wherein the stator mounting protective cover, the fine shafting, the wireless power supply module and the wireless communication module are coaxially and symmetrically mounted with a center hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910851345.0A CN110690771B (en) | 2019-09-10 | 2019-09-10 | Small-sized servo rotary platform with wireless communication function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910851345.0A CN110690771B (en) | 2019-09-10 | 2019-09-10 | Small-sized servo rotary platform with wireless communication function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110690771A true CN110690771A (en) | 2020-01-14 |
| CN110690771B CN110690771B (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910851345.0A Active CN110690771B (en) | 2019-09-10 | 2019-09-10 | Small-sized servo rotary platform with wireless communication function |
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| CN (1) | CN110690771B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932794A (en) * | 2016-06-29 | 2016-09-07 | 九江精密测试技术研究所 | Large-size and low-inertia hollow precision shaft system with limit |
| CN106514290A (en) * | 2016-10-31 | 2017-03-22 | 广东技术师范学院 | Large-overturn-rigidity direct drive rotating table |
| CN206263606U (en) * | 2016-11-16 | 2017-06-20 | 大连三垒机器股份有限公司 | Hollow type turntable |
| CN208607358U (en) * | 2018-08-16 | 2019-03-15 | 成都楼兰科技有限公司 | Non-contact and rotating type laser radar cloud platform |
| CN209159574U (en) * | 2018-10-19 | 2019-07-26 | 浙江舜宇智能光学技术有限公司 | Hidden shaft type rotating device |
-
2019
- 2019-09-10 CN CN201910851345.0A patent/CN110690771B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932794A (en) * | 2016-06-29 | 2016-09-07 | 九江精密测试技术研究所 | Large-size and low-inertia hollow precision shaft system with limit |
| CN106514290A (en) * | 2016-10-31 | 2017-03-22 | 广东技术师范学院 | Large-overturn-rigidity direct drive rotating table |
| CN206263606U (en) * | 2016-11-16 | 2017-06-20 | 大连三垒机器股份有限公司 | Hollow type turntable |
| CN208607358U (en) * | 2018-08-16 | 2019-03-15 | 成都楼兰科技有限公司 | Non-contact and rotating type laser radar cloud platform |
| CN209159574U (en) * | 2018-10-19 | 2019-07-26 | 浙江舜宇智能光学技术有限公司 | Hidden shaft type rotating device |
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| Publication number | Publication date |
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| CN110690771B (en) | 2020-12-11 |
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