CN107994343B - Drive arrangement and position device of collector ring integration - Google Patents
Drive arrangement and position device of collector ring integration Download PDFInfo
- Publication number
- CN107994343B CN107994343B CN201711121977.9A CN201711121977A CN107994343B CN 107994343 B CN107994343 B CN 107994343B CN 201711121977 A CN201711121977 A CN 201711121977A CN 107994343 B CN107994343 B CN 107994343B
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- mandrel
- shell
- brush
- driving device
- azimuth
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
- H01Q3/04—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying one co-ordinate of the orientation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/64—Devices for uninterrupted current collection
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses an azimuth device integrating a driving device and a collector ring, which comprises a shell, an azimuth mechanism, the collector ring and a driving device for driving the azimuth mechanism and the collector ring to rotate; the shell is provided with a central inner cavity for being matched with the collector ring, a mandrel in the middle of the collector ring is rotatably arranged on the shell, and the driving device is fixed on the shell and is in transmission connection with the mandrel; the azimuth mechanism is fixedly connected to the mandrel and rotates along with the rotation of the mandrel, the azimuth mechanism comprises an antenna adapter disc, an antenna assembly is arranged on the antenna adapter disc, and the antenna assembly is electrically connected with the collector ring through a lead; spaced apart windows in the peripheral side wall of the housing form a side pocket, a brush chamber and a maintenance window for maintenance of the spindle. The advantages are that: compact structure, rationally distributed, volume envelope are little, and be convenient for dismouting and maintenance.
Description
Technical Field
The invention relates to the technical field of azimuth devices, in particular to an azimuth device with a driving device and a collector ring integrated.
Background
The existing azimuth device rotating within +/-360 degrees mainly comprises an azimuth mechanism and a collector ring, wherein the azimuth mechanism is provided with an azimuth shaft, the collector ring is provided with a mandrel, the azimuth shaft and the mandrel are mutually independent, and in addition, the azimuth mechanism and the collector ring are driven by an external driving device; therefore, the azimuth device has the advantages of large equipment amount, high cost, large volume, complex structure and inconvenience in installation and maintenance.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the azimuth device which is integrated with the drive device and the collector ring and has the advantages of compact structure, reasonable layout, small volume envelope and convenient disassembly, assembly and maintenance.
The technical scheme for solving the technical problems is as follows: a direction device integrating a driving device and a collector ring comprises a shell, a direction mechanism, the collector ring and a driving device for driving the direction mechanism and the collector ring to rotate; the shell is provided with a central inner cavity for being matched with the collector ring, a mandrel in the middle of the collector ring is rotatably arranged on the shell, and the driving device is fixed on the shell and is in transmission connection with the mandrel; the azimuth mechanism is fixedly connected to the mandrel and rotates along with the rotation of the mandrel, the azimuth mechanism comprises an antenna adapter disc, an antenna assembly is arranged on the antenna adapter disc, and the antenna assembly is electrically connected with the collector ring through a lead.
The invention has the beneficial effects that: the azimuth mechanism and the core shaft of the collector ring are fixedly connected into a whole, so that the azimuth mechanism and the collector ring are coaxially and fixedly connected, and the core shaft is driven by the same transmission part which is fixed on the same shell with the azimuth mechanism and the collector ring, so that the azimuth mechanism and the collector ring are compactly connected, the structure of the azimuth device is simplified, the size is reduced, and the cost is reduced; therefore, the driving device and collector ring integrated azimuth device has the advantages of being compact in structure, reasonable in layout, small in volume envelope, convenient to disassemble, assemble and maintain and the like.
On the basis of the technical scheme, the invention can be further improved as follows.
Furthermore, the driving device is fixedly arranged on one side of the shell through a fixing frame and comprises a servo motor, a speed reducer and a driving gear, the speed reducer is in transmission connection with an output shaft of the servo motor, the driving gear is in transmission connection with the speed reducer, and the driving gear is in transmission connection with the mandrel; the upper end of the mandrel is engaged with the driving gear in a matching manner and is provided with a driven gear; through fixing drive arrangement and position mechanism and collector ring on same casing to thereby drive position mechanism and collector ring through a driving gear drive dabber, avoid position mechanism and collector ring to be equipped with the pivot respectively, simplify the structure of position device, simultaneously, reduce volume, reduce cost.
Furthermore, a conducting ring assembly is fixedly arranged in the middle of the mandrel along the axial direction of the mandrel, an electric brush assembly is further fixedly arranged on the shell, the electric brush assembly is provided with a plurality of electric brushes, and the electric brushes are respectively matched and slidably connected with the conducting ring assembly to form a sliding path so as to realize transmission of electric energy and electric signals; the transmission and high-power compounding of various frequency signals such as power supply power, low-frequency signals, intermediate-frequency signals and the like are realized.
Furthermore, the mandrel is in a step-shaped round shaft structure, the upper end and the lower end of the mandrel are rotatably arranged on the shell, and the conducting ring assemblies are respectively assembled on the respective shaft sleeves in a grouping mode through insulating materials and are pressed on the mandrel through a spiral ring; the conducting ring is convenient to set, and the structure is compact.
Further, the conducting rings comprise a medium-frequency conducting ring, a low-frequency conducting ring and a power supply conducting ring; the electric brush assembly comprises a medium-frequency electric brush set, a low-frequency brush holder and a power supply brush holder; a plurality of electric brushes are arranged on the intermediate-frequency electric brush group, the low-frequency brush holder and the power supply brush holder, and the electric brushes are respectively matched and slidably connected with the intermediate-frequency conducting ring, the low-frequency conducting ring and the power supply conducting ring to form a sliding passage so as to realize the transmission of electric energy and electric signals; the transmission of various frequency signals such as power supply power, low-frequency signals, intermediate-frequency signals and the like is realized.
Further, the shell is of a hollow columnar structure, and a side accommodating cavity for being matched with the driving device, an electric brush chamber and a maintenance window for maintaining the spindle are formed on the peripheral side wall of the shell through spaced windows; the medium-frequency electric brush set, the low-frequency brush holder and the power supply brush holder are fixedly arranged on the side wall of the electric brush chamber; the maintenance of the medium-frequency conducting ring, the low-frequency conducting ring and the power supply conducting ring on the mandrel is facilitated; the abrasion dust generated by sliding friction between the contact surfaces of the slip ring due to long-time work can be cleaned conveniently.
Furthermore, the shell is of an octagonal column structure, the number of the brush chambers is two, and the side accommodating cavity, the maintenance window and the two brush chambers are arranged on four of the eight side walls of the shell at intervals; the side accommodating cavity, the maintenance window and the electric brush chamber are all of long strip-shaped structures extending along the axis direction of the shell, and the bottom surface of the shell is a base reference surface; the installation of the brush set and the power brush holder is facilitated, and the bus ring is conveniently maintained.
Further, chamber, brush room, power brush yoke room are accomodate to the side and the equal adaptation in maintenance window outside is equipped with the dustcoat, is convenient for seal the casing, avoids in the dust gets into the position device and causes adverse effect to it.
Further, a rotary transformer is sleeved on the lower portion of the mandrel, and a rotary transformer accommodating cavity for being matched with and mounting the rotary transformer is formed in the lower end of the shell; because rotary transformer fixed connection is in the dabber lower extreme, and fixes on same casing with position mechanism and collector ring, is favorable to reducing the overall dimension of position device.
Furthermore, the upper end of the mandrel is fixedly connected through paired angular contact ball bearings, the lower end of the mandrel is fixedly connected through a deep groove ball bearing, and the paired angular contact ball bearings and the deep groove ball bearing form a complete rotary support shafting to support the mandrel; the mandrel can rotate stably, and the reliability of signal transmission is improved.
Drawings
Fig. 1 is a cross-sectional view of the entire structure of an azimuth device in which a drive device is integrated with a slip ring according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 with various covers removed;
FIG. 3 is a rear view of the enclosure of FIG. 1 with the maintenance window removed;
FIG. 4 is a schematic structural diagram of a driving device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of the connection between the mandrel and the orientation mechanism according to the embodiment of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the device comprises a shell, 2, a mandrel, 3, a driving device, 4, an orientation mechanism, 5, a rotary transformer, 10, a central inner cavity, 11, a side storage cavity, 12, a rotary transformer storage cavity, 13, a brush chamber, 14, a maintenance window, 20, a driven gear, 21, a medium-frequency conducting ring, 22, a low-frequency conducting ring, 23, a power conducting ring, 30, a servo motor, 31, a speed reducer, 32, a driving gear, 33, a fixing frame, 40, an antenna switching disc, 60, a paired angular contact ball bearing, 61, a deep groove ball bearing, 70, a medium-frequency brush group, 71, a low-frequency brush holder, 72 and a power brush holder.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Example (b):
the embodiment provides an azimuth device with a driving device integrated with a slip ring, as shown in fig. 1 to 5, comprising a housing 1, an azimuth mechanism 4, a slip ring, a driving device 3 for driving the azimuth mechanism 4 and the slip ring to rotate; the shell 1 is provided with a central inner cavity 10 for being matched with a collector ring, a mandrel 2 in the middle of the collector ring is rotatably arranged on the shell 1, and the driving device 3 is fixed on the shell 1 and is in transmission connection with the mandrel 2; the azimuth mechanism 4 is fixedly connected to the mandrel 2 and rotates along with the rotation of the mandrel 2, the azimuth mechanism 4 comprises an antenna adapter 40, an antenna assembly is arranged on the antenna adapter, and the antenna assembly is electrically connected with the collector ring through a lead. Specifically, the shell 1 of the present embodiment is a casting, and the middle of the shell 1 is an inner cavity; a side receiving cavity 11 is formed in one side of the shell 1, and the azimuth mechanism 4 and the confluence ring are fixedly connected to the same rotating shaft in the embodiment; the contact surface of the antenna adapter 40 and the upper end of the shell 1 of the embodiment is provided with an annular groove and an annular table which are mutually conjugated and form a radial labyrinth seal, and the antenna adapter 40 rotates relative to the shell 1 along with the mandrel 2.
According to one embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 4, the driving device 3 is fixedly disposed at one side of the housing 1 through a fixing frame 33, the driving device 3 includes a servo motor 30, a speed reducer 31 and a driving gear 32, and the speed reducer 31 is in transmission connection with an output shaft of the servo motor 30; the upper end of the mandrel 2 is provided with a driven gear 20 in matching and meshing with the driving gear 32. Specifically, the fixing frame 33 of the present embodiment is fixedly connected to a side wall of the housing, and the driving device 3 is fixed by the fixing frame 33, so that the driving device 3 is convenient to disassemble, assemble and maintain. The driven gear 20 of this embodiment is fixedly connected to the mandrel 2 and located between the lower end of the antenna adapter 40 and the upper end of the intermediate frequency conductive ring 21, specifically, the mandrel 2 is a hollow circular shaft structure, the shaft diameter of one end of the mandrel 2 fixedly connected to the azimuth mechanism 4 is larger, and the driven gear 20 is fixed to one end of the mandrel 2 with the larger shaft diameter.
According to an embodiment of the present invention, as shown in fig. 1 and 5, a conducting ring assembly is fixedly disposed at a middle portion of the mandrel 2 along an axial direction thereof, a brush assembly is further fixedly disposed on the housing 1, the brush assembly is provided with a plurality of brushes, and the plurality of brushes are respectively matched and slidably connected with the conducting ring assembly to form a sliding path to implement transmission of electric energy and electric signals. Specifically, the mandrel 2 of the present embodiment has a stepped circular shaft structure.
According to an embodiment of the present invention, as shown in fig. 1 and 5, the brush assembly is provided with a plurality of brushes, and the conductive ring assembly includes a plurality of sets of conductive rings; the plurality of electric brushes are respectively in sliding connection with the plurality of groups of conducting rings in a matching mode, and specifically, the plurality of electric brushes of the embodiment are uniformly arranged on the electric brush assembly.
In one embodiment of the present invention, as shown in fig. 1 and 5, the conductive rings include a middle frequency conductive ring 21, a low frequency conductive ring 22, and a power conductive ring 23; the electric brush assembly comprises a medium-frequency electric brush set 70, a low-frequency brush holder 71 and a power supply brush holder 72; the intermediate frequency brush group 70, the low frequency brush holder 71 and the power supply brush holder 72 are respectively provided with a plurality of brushes, and the plurality of brushes are respectively matched and slidably connected with the intermediate frequency conducting ring 21, the low frequency conducting ring 22 and the power supply conducting ring 23 to form a sliding passage so as to realize transmission of electric energy and electric signals. Specifically, the intermediate frequency conducting ring 21 of the present embodiment is fixed below the driven gear 20, the low frequency conducting ring 22 is fixed below the intermediate frequency conducting ring 21, and the power conducting ring 23 is fixed below the low frequency conducting ring 21; after the intermediate frequency conducting ring 21, the low frequency conducting ring 22 and the power conducting ring 23 are welded with wires of corresponding types, the wires are respectively separated by insulating materials and assembled into a shaft sleeve in groups, and the shaft sleeve is pressed and fixed on the mandrel 2 through a spiral ring. The intermediate frequency brush group 70 of this embodiment corresponds the setting of intermediate frequency conducting ring 21, low frequency brush yoke 71 corresponds the setting of low frequency conducting ring 22, power brush yoke 72 corresponds the setting of power conducting ring 23, the equal array of intermediate frequency brush group 70, low frequency brush yoke 71, power brush yoke 72 of this embodiment is fixed and is equipped with a plurality of brushes, a plurality of brushes lead out the cable and adopt the switching mode and erect the mechanism with being used for fixing at the casing 1 lower extreme and be connected, the brush realizes transmission function through the friction with the conducting ring.
In one embodiment of the present invention, as shown in fig. 1 to 3, the housing 1 is a hollow cylindrical structure, and the peripheral side wall of the housing 1 is partitioned by windows to form a side receiving cavity 11 for accommodating the driving device 3, a brush chamber 13 and a maintenance window 14 for performing maintenance on the mandrel 2; the medium frequency brush set 70, the low frequency brush holder 71 and the power supply brush holder 72 are fixedly arranged on the side wall of the brush chamber 13.
In one embodiment of the present invention, as shown in fig. 1 to 3, the housing 1 has an octagonal column structure, two brush chambers 13 are provided, and the side receiving cavity 11, the maintenance window 14 and two brush chambers 13 are arranged on four of eight side walls of the housing 1 at intervals; the side storage cavity 11, the maintenance window 14 and the electric brush chamber 13 are all in a long strip-shaped structure extending along the axis direction of the shell 1, and the bottom surface of the shell 1 is a base standard surface.
Specifically, the side housing cavity 11 of the present embodiment is located on the left side of the housing 1, the two brush chambers 13 are respectively disposed on the right side and the front side of the housing 1, and the maintenance window 14 is disposed on the rear side of the housing 1.
Specifically, the intermediate frequency brush set 70 of the present embodiment is disposed in the brush chamber 13 located on the right side, and the low frequency brush holder 71 and the power supply brush holder 72 are disposed in both brush chambers 13; in addition, the low frequency brush holder 71 and the power brush holder 72 are also provided in the side housing chamber 11 of the present embodiment, and are separated by a partition plate.
In an embodiment of the present invention, as shown in fig. 1 to 3, outer covers are respectively fitted to the outer sides of the side receiving cavity 11, the brush chamber 13 and the maintenance window 14, and in this embodiment, the housing 1 is sealed by the outer covers, so that the influence of the external environment on the azimuth device is reduced, and when the mandrel 2, the driving device 3 or the brush needs to be maintained, the outer covers are opened to perform maintenance.
In an embodiment of the present invention, as shown in fig. 1, a rotary transformer 5 is sleeved on a lower portion of the mandrel 2, and a rotary transformer receiving cavity 12 adapted to mount the rotary transformer is opened at a lower end of the housing 1. Specifically, rotary transformer 5 is the rotary type electromechanical device who turns into analog signal with mechanical motion, and rotary transformer 5 detects 2 pivoted angles of dabber, with information transmission to control module that detect, and control module regulates and control servo motor behind the received signal to comprehensively acquire the signal, rotary transformer accomodates 12 lower extremes in chamber and passes through the lower end cover sealed.
In one embodiment of the present invention, as shown in fig. 1, the upper end of the mandrel 2 is fixedly connected through a paired angular contact ball bearing 60, the lower end of the mandrel 2 is fixedly connected through a deep groove ball bearing 61, and the paired angular contact ball bearing 60 and the deep groove ball bearing 61 form a complete rotation support shaft system to support the mandrel 2; specifically, the paired angular contact ball bearings 60 are fixedly connected to the larger shaft diameter position at the upper end of the mandrel 2 and located above the driven gear 20, and the deep groove ball bearings 61 are fixedly connected to the mandrel 2 and located above the rotary transformer 5; the lower end of the mandrel 5 is of a step-shaped structure, and the shaft diameter of the upper end of the mandrel 2 is larger than that of the lower end.
In addition, in addition to the disclosed technical solutions of the present invention, for the arrangement of the bus ring, other necessary components of the resolver, and the lead wires, etc., reference may be made to conventional technical solutions in the technical field, and these conventional technical solutions are not the gist of the present invention, and the present invention is not set forth in detail herein.
When the driving device provided by the embodiment and the position device integrated with the collector ring are used, after the position device provided by the embodiment is arranged, the servo motor 30 is electrified and rotated, the servo motor 30 drives the speed reducer 31 to transmit the rotating speed and the torque to the driving gear 32, the driving gear 32 is meshed with the driven gear 20 to drive the position mechanism 4 to rotate, so that a sliding passage is formed between a rotating part taking the core shaft 2 as a main part and a fixed part taking the shell 1 as a main part, the continuous switching of electric energy and electric signals is realized, the tracking of equipment on a target is realized, in addition, the rotary transformer 5 rotates along with the core shaft 2, and the rotary transformer 5 can output an antenna azimuth angle signal in real time in the antenna rotating process; when the driving device provided by the embodiment and the position device integrated with the collector ring need to be maintained, the corresponding outer cover is opened, and the spindle 2 or the electric brush can be maintained.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.
Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. An azimuth device with a driving device integrated with a collector ring, characterized in that: the device comprises a shell (1), an azimuth mechanism (4), a collector ring and a driving device (3) for driving the azimuth mechanism (4) and the collector ring to rotate; the shell (1) is provided with a central inner cavity (10) for being matched with the collector ring, a mandrel (2) in the middle of the collector ring is rotatably arranged on the shell (1), and the driving device (3) is fixed on the shell and is in transmission connection with the mandrel (2); the azimuth mechanism (4) is fixedly connected to the mandrel (2) and rotates along with the rotation of the mandrel (2), the azimuth mechanism (4) comprises an antenna adapter plate (40), an antenna assembly is arranged on the antenna adapter plate (40), and the antenna assembly is electrically connected with the collector ring through a lead;
the driving device (3) is fixedly arranged on one side of the shell (1) through a fixing frame (33);
an annular groove and an annular table which are mutually conjugated are arranged on the contact surface of the antenna adapter disc (40) and the upper end of the shell (1) to form a radial labyrinth seal, and the antenna adapter disc (40) rotates relative to the shell (1) along with the mandrel (2);
the driving device (3) comprises a servo motor (30), a speed reducer (31) and a driving gear (32), the speed reducer (31) is in transmission connection with an output shaft of the servo motor (30), and the driving gear (32) is in transmission connection with the speed reducer (31); and a driven gear (20) is arranged at the upper end of the mandrel (2) and is in adaptive meshing with the driving gear (32).
2. An azimuth device in which a driving device is integrated with a slip ring according to claim 1, wherein: the middle part of dabber (2) is equipped with the conducting ring subassembly along its axial fixity, still fix on casing (1) and be equipped with the brush subassembly, the brush subassembly is equipped with a plurality of brushes, and a plurality of the brush respectively with conducting ring subassembly adaptation sliding connection.
3. An azimuth device in which a driving device is integrated with a slip ring according to claim 2, wherein: the mandrel (2) is in a step-shaped circular shaft structure, the upper end and the lower end of the mandrel are rotatably arranged on the shell (1), and the conductive ring assemblies are respectively assembled on respective shaft sleeves in a grouping mode through insulating materials and are pressed on the mandrel (2) through spiral rings.
4. An azimuth device in which a driving device is integrated with a slip ring according to claim 3, wherein: the conducting rings in the multiple groups comprise a medium-frequency conducting ring (21), a low-frequency conducting ring (22) and a power supply conducting ring (23); the electric brush assembly comprises an intermediate frequency electric brush group (70), a low frequency brush holder (71) and a power supply brush holder (72); the medium-frequency brush group (70), the low-frequency brush holder (71) and the power supply brush holder (72) are respectively provided with a plurality of brushes, and the brushes are respectively in sliding connection with the medium-frequency conducting ring (21), the low-frequency conducting ring (22) and the power supply conducting ring (23) in a matching mode.
5. An azimuth device in which a driving device is integrated with a slip ring according to claim 4, wherein: the shell (1) is of a hollow columnar structure, and a side receiving cavity (11) which is used for being matched with the driving device (3), an electric brush chamber (13) and a maintenance window (14) which is used for maintaining the mandrel (2) are formed on the peripheral side wall of the shell (1) at intervals; the medium-frequency brush set (70), the low-frequency brush holder (71) and the power supply brush holder (72) are fixedly arranged on the side wall of the brush chamber (13).
6. An azimuth device in which a driving device is integrated with a slip ring according to claim 5, wherein: the shell (1) is of an octagonal column structure, two brush chambers (13) are arranged, and the side accommodating cavity (11), the maintenance window (14) and the two brush chambers (13) are arranged on four of eight side walls of the shell (1) at intervals; the side containing cavity (11), the maintenance window (14) and the electric brush chamber (13) are all of long strip-shaped structures extending along the axis direction of the shell (1).
7. An azimuth device in which a driving device is integrated with a slip ring according to claim 6, wherein: the outer sides of the side storage cavity (11), the electric brush chamber (13) and the maintenance window (14) are respectively provided with an outer cover in a matched mode.
8. An azimuth device in which a driving device is integrated with a slip ring according to claim 1, wherein: the lower part of the mandrel (2) is sleeved with a rotary transformer (5), and the lower end of the shell (1) is provided with a rotary transformer accommodating cavity (12) for being matched with and installed with the rotary transformer (5).
9. An orientation device in which a driving device is integrated with a slip ring according to any one of claims 1 to 8, wherein: the upper end of the mandrel (2) is fixedly connected through paired angular contact ball bearings (60), the lower end of the mandrel (2) is fixedly connected with the shell (1) through deep groove ball bearings (61), and the paired angular contact ball bearings (60) and the deep groove ball bearings (61) form a complete rotary supporting shaft system to support the mandrel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711121977.9A CN107994343B (en) | 2017-11-14 | 2017-11-14 | Drive arrangement and position device of collector ring integration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711121977.9A CN107994343B (en) | 2017-11-14 | 2017-11-14 | Drive arrangement and position device of collector ring integration |
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| CN107994343A CN107994343A (en) | 2018-05-04 |
| CN107994343B true CN107994343B (en) | 2020-06-26 |
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| CN201711121977.9A Active CN107994343B (en) | 2017-11-14 | 2017-11-14 | Drive arrangement and position device of collector ring integration |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109994811B (en) * | 2019-04-04 | 2020-12-25 | 广西电网有限责任公司电力科学研究院 | Portable antenna radiation wave pointing device |
| CN113036560A (en) * | 2021-02-27 | 2021-06-25 | 北京航天颐和科技有限公司 | Multichannel precision conductive slip ring |
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| US7153005B2 (en) * | 2004-09-29 | 2006-12-26 | David Rodriquez | Automotive body inspection light support system |
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