CN112259951B - Azimuth platform with high axial impact resistance - Google Patents
Azimuth platform with high axial impact resistance Download PDFInfo
- Publication number
- CN112259951B CN112259951B CN202010962700.4A CN202010962700A CN112259951B CN 112259951 B CN112259951 B CN 112259951B CN 202010962700 A CN202010962700 A CN 202010962700A CN 112259951 B CN112259951 B CN 112259951B
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- China
- Prior art keywords
- rotary bearing
- encoder
- mounting disc
- inner ring
- support
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
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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
Abstract
The invention provides an azimuth platform with high axial impact resistance, which comprises a mounting disc, a rotary bearing, a driving gear, a motor, a platform support and an angle encoder, wherein the rotary bearing is arranged on the platform support, the driving gear is meshed with the rotary bearing, the motor is used for driving the rotary bearing to rotate through the driving gear, the mounting disc is arranged on the rotary bearing, a mounting shaft is arranged at the center of the mounting disc, the mounting shaft penetrates through the center of the rotary bearing, and the angle encoder is arranged below the rotary bearing and is sleeved on the mounting shaft of the mounting disc. The invention has compact structure and high reliability; the invention has reasonable layout and can realize the seriation design of the whole structure.
Description
Technical Field
The invention belongs to the technical field of electronic equipment, and particularly relates to an axial high-impact-resistance azimuth platform.
Background
The antenna bearing platform is one of important components of an electronic load, and a hydraulic system platform is adopted for part of the antenna bearing platform.
Many electronic loads of recent times all adopt the unipolar of motor drive, diaxon or triaxial stabilized platform, feedback signal through the top, this kind of structural style is more complicated, and anti-vibration and shock resistance are general, and the volume is great moreover, can not satisfy the demand of high acceleration, high impact nature electronic load.
Disclosure of Invention
The invention aims to provide an azimuth platform with high axial impact resistance.
The technical solution for realizing the purpose of the invention is as follows: the utility model provides an axial high impact resistance's position platform, includes mounting disc, swivel bearing, drive gear, motor, platform support and angle encoder, swivel bearing sets up on the platform support, drive gear and swivel bearing meshing, the motor is used for driving the swivel bearing rotation through drive gear, the mounting disc sets up on swivel bearing, the mounting disc center is equipped with the installation axle, the installation axle passes the swivel bearing center, the angle encoder sets up at the installation epaxial of mounting disc.
Preferably, the mounting shaft of the mounting plate is a through hole structure.
Preferably, the rotary bearing comprises an inner ring pressing plate, a gear outer ring, a retainer, an inner ring bracket and balls, wherein the balls are arranged between the inner ring bracket and the gear outer ring, the balls can only roll between the inner ring bracket and the gear outer ring through the retainer, and the balls are fastened on the inner ring bracket through the inner ring pressing plate.
Preferably, the balls are of two sizes, and the balls of two sizes are spaced apart.
Preferably, the angle encoder comprises a flexible mounting support, a clamping device, an encoder outer ring and an encoder inner ring, the encoder outer ring is arranged on the rotary bearing through the flexible mounting support, the encoder inner ring is fixed on a mounting shaft of the mounting disc through the clamping device, and the encoder inner ring rotates forwards and backwards in a range of 360 degrees relative to the encoder outer ring.
Compared with the prior art, the invention has the remarkable advantages that: the invention has strong environmental adaptability, can meet the requirement of GJB150 environmental adaptability, and has good adaptability; the invention has compact structure and high reliability; the invention has reasonable layout and can realize the seriation design of the whole structure.
The present invention is described in further detail below with reference to the attached drawing figures.
Drawings
Fig. 1 is an exploded view of the present invention.
Fig. 2 is a sectional view of the internal structure of the present invention.
Fig. 3 is a sectional view showing the inner structure of the rotary bearing of the present invention.
Fig. 4 is an exploded view of a slew bearing of the present invention.
FIG. 5 is a schematic view of the structure of the angle encoder of the present invention.
Fig. 6 is a sectional view of the mounting plate.
Fig. 7 is a schematic view of the mounting plate.
Detailed Description
As shown in fig. 1-7, an azimuth platform with high axial impact resistance comprises a mounting disc 1, a rotary bearing 2, a driving gear 3, a motor 4, a platform support 5 and an angle encoder 6, wherein the rotary bearing 2 is arranged on the platform support 5, the driving gear 3 is meshed with the rotary bearing 2, the motor 4 is used for driving the rotary bearing 2 to rotate through the driving gear 3, the mounting disc 1 is arranged on the rotary bearing 2, an installation shaft is arranged at the center of the mounting disc 1 and passes through the center of the rotary bearing 2, and the angle encoder 6 is arranged on the installation shaft of the mounting disc 1.
In a further embodiment, the mounting shaft of the mounting plate 1 is a through hole structure.
In a further embodiment, the rotating bearing 2 comprises an inner ring pressure plate 7, a gear outer ring 8, a retainer 9, an inner ring support 10 and balls 11, wherein the balls 11 are arranged between the inner ring support 10 and the gear outer ring 8, the balls 11 can only roll between the inner ring support 10 and the gear outer ring 8 through the retainer 9, and the balls 11 are fastened on the inner ring support 10 through the inner ring pressure plate 7, so that no dead point exists when the bearing rotates. Meanwhile, the outer ring of the bearing is designed into a gear, so that the design of the gear and the bearing is combined into a whole, the assembly links are effectively reduced, the size and the weight are reduced, and the assembly precision is improved.
In some embodiments, the cage 9 is made of a wear resistant material, so that the balls 11 can only roll between the inner and outer races, and the overall axial shock resistance is improved.
In some embodiments, the balls 11 are of two sizes, and the balls 11 of two sizes are spaced apart.
In a further embodiment, the angle encoder 6 comprises a flexible mounting support 12, a clamp 13, an encoder outer ring 16 and an encoder inner ring 17, the angle encoder 6 is a hollow encoder, namely, a through hole is formed in the middle of the encoder, an antenna signal cable can be transmitted to the position below the missile-borne antenna position platform through the encoder middle hole, and the installation and the work of the position platform are not affected. An encoder outer ring 16 is arranged below an inner ring support 10 on the rotary bearing 2 through a flexible mounting support 12, an encoder inner ring 17 is fixed on a mounting shaft of the mounting disc 1 through a clamp 13, and the encoder inner ring 17 can rotate forward and backward within a range of 360 degrees relative to the encoder outer ring 16, can stably transmit signals and bear axial high impact load.
The installation process of the invention is as follows: after the assembly of the rotary bearing 2 is finished, the rotary bearing is directly installed on the platform support 5, the installation disc 1 is installed on a gear outer ring 8 of the rotary bearing 2, the angle encoder 6 is sleeved at the shaft at the lower end of the installation disc 1 from the lower side, then the flexible installation support 12 of the angle encoder 6 is fastened with an inner ring support 10 on the rotary bearing 2, the lowest end of the flexible installation support is fastened with an installation shaft of the installation disc 1 through a clamp 13, and an encoder inner ring 17 rotates along with the rotary bearing 2 to feed back signals. Then the driving gear 3 and the motor 4 are arranged on the platform bracket 5. The antenna signal cable penetrates through the hollow hole of the shaft, so that the mounting precision and the signal transmission of the antenna are guaranteed, and the size is saved.
According to different requirements of various systems, the invention can realize various size series, has compact structure, can be suitable for loads not more than 2kg, has stronger adaptability and lighter self weight, and can realize series design.
The working process of the invention is as follows: the horn antenna 14 is mounted on the mounting plate 1, and the cable 15 passes through the rotary bearing 2 and through the angle encoder 6 via the mounting axis of the mounting plate 1. The motor 4 drives the driving gear 3, and then the driving gear 3 drives the rotating bearing 2, so that the mounting disc 1 mounted on the rotating bearing 2 rotates simultaneously, the horn antenna 14 on the mounting disc 1 rotates freely in 360 degrees, a signal cable 15 of the horn antenna 14 penetrates through a through hole in the middle of the mounting disc 1, and no influence is caused on the use of a platform in the whole direction. The mounting disc 1 rotates to drive the inner ring 17 of the lower angle encoder 6, and the angle signal is transmitted to relevant devices by the lower angle encoder 6.
The invention can meet the design requirement of the high-impact electronic load antenna, has compact structure, good impact resistance, can rotate forwards and backwards at 360 degrees, has light weight, strong adaptability and convenient maintenance.
Claims (3)
1. The azimuth platform with high axial impact resistance is characterized by comprising a mounting disc (1), a rotary bearing (2), a driving gear (3), a motor (4), a platform support (5) and an angle encoder (6), wherein the rotary bearing (2) is arranged on the platform support (5), the driving gear (3) is meshed with the rotary bearing (2), the motor (4) is used for driving the rotary bearing (2) to rotate through the driving gear (3), the mounting disc (1) is arranged on the rotary bearing (2), an installation shaft is arranged at the center of the mounting disc (1) and penetrates through the center of the rotary bearing (2), and the angle encoder (6) is arranged on the installation shaft of the mounting disc (1); the rotary bearing (2) comprises an inner ring pressing plate (7), a gear outer ring (8), a retainer (9), an inner ring support (10) and balls (11), wherein the balls (11) are arranged between the inner ring support (10) and the gear outer ring (8), the balls (11) can only roll between the inner ring support (10) and the gear outer ring (8) through the retainer (9), and the balls (11) are fastened on the inner ring support (10) through the inner ring pressing plate (7); angle encoder (6) include flexible installation support (12), holder (13), encoder outer lane (16) and encoder inner circle (17), encoder outer lane (16) set up on rotary bearing (2) through flexible installation support (12), and encoder inner circle (17) are fixed on the installation axle of mounting disc (1) through holder (13), encoder inner circle (17) is relative encoder outer lane (16) and is just reversing the rotation at 360 within ranges.
2. Axial high impact resistant azimuth platform according to claim 1, characterized in that the mounting shaft of the mounting disc (1) is a through hole structure.
3. The axial high impact resistance azimuth platform according to claim 1, wherein the balls (11) are of two sizes, and the balls (11) of the two sizes are arranged at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010962700.4A CN112259951B (en) | 2020-09-14 | 2020-09-14 | Azimuth platform with high axial impact resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010962700.4A CN112259951B (en) | 2020-09-14 | 2020-09-14 | Azimuth platform with high axial impact resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112259951A CN112259951A (en) | 2021-01-22 |
| CN112259951B true CN112259951B (en) | 2023-01-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010962700.4A Active CN112259951B (en) | 2020-09-14 | 2020-09-14 | Azimuth platform with high axial impact resistance |
Country Status (1)
| Country | Link |
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| CN (1) | CN112259951B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3906474B2 (en) * | 1997-08-22 | 2007-04-18 | 株式会社安川電機 | Multi-rotation absolute encoder |
| CN101954594A (en) * | 2010-10-11 | 2011-01-26 | 烟台环球机床附件集团有限公司 | Oil-immersed numerical control rotary workbench |
| CN105466385A (en) * | 2015-12-31 | 2016-04-06 | 北京经纬恒润科技有限公司 | Mounting structure for absolute position encoder and servo system |
| KR101899928B1 (en) * | 2017-01-26 | 2018-09-18 | 주식회사 케이엠더블유 | Antenna Assembly |
| US10471363B2 (en) * | 2017-12-31 | 2019-11-12 | George W. Batten, Jr. | Self-pivoting drive with internal gears for spherical-form motion simulators |
-
2020
- 2020-09-14 CN CN202010962700.4A patent/CN112259951B/en active Active
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| Publication number | Publication date |
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| CN112259951A (en) | 2021-01-22 |
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