CN114188700A - Antenna seat frame based on accurate flexible cable transmission - Google Patents
Antenna seat frame based on accurate flexible cable transmission Download PDFInfo
- Publication number
- CN114188700A CN114188700A CN202111558882.XA CN202111558882A CN114188700A CN 114188700 A CN114188700 A CN 114188700A CN 202111558882 A CN202111558882 A CN 202111558882A CN 114188700 A CN114188700 A CN 114188700A
- Authority
- CN
- China
- Prior art keywords
- azimuth
- pitching
- driven wheel
- tightening
- steel wire
- Prior art date
- 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.)
- Pending
Links
Images
Classifications
-
- 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
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
-
- 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
- H01Q1/125—Means for positioning
- H01Q1/1264—Adjusting different parts or elements of an aerial unit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/32—Adaptation for use in or on road or rail vehicles
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses an antenna seat frame based on precise flexible cable transmission, which belongs to the technical field of antennas and comprises a first pitching combination, a second pitching combination and an azimuth combination, wherein the first pitching combination and the second pitching combination are arranged above the azimuth combination and are distributed on two sides of the azimuth combination; the first pitching combination and the second pitching combination are driven by a pitching motor through the left output end and the right output end of a pitching speed reducer simultaneously to realize the rotation of pitching, the direction combination is driven by the motor through the speed reducer to realize the rotation of the direction, and the final stages of the transmission chains of the first pitching combination, the second pitching combination and the direction combination are all driven by precise flexible cables, so that the pointing precision and the wind resistance of the antenna can be effectively improved. The invention has compact structure, convenient adjustment and measurement and almost no transmission return difference, and can meet the development requirements of high frequency band and narrow beam of future communication systems.
Description
Technical Field
The invention relates to the technical field of antennas, in particular to an antenna seat frame based on precise flexible cable transmission.
Background
The precise flexible cable transmission generally uses an aviation stainless steel wire rope as a force transmission medium, and realizes the transmission of force and movement through static friction force between the wire rope and a rope pulley based on a flexible transmission principle. The steel wire rope can greatly reduce the transmission backlash after being pre-tightened properly, the transmission precision can reach more than 10 mu rad, and the steel wire rope has the characteristics of high transmission precision, small friction loss, no need of lubrication and almost no transmission backlash. In recent years, precision flexible cable transmission has received more and more attention, and has become an important way for improving the performance of a new generation of high-precision and light-weight precision servo mechanism.
At present, the vehicle-mounted antenna system mainly takes gear transmission as a main part. The gear transmission has many advantages as a classical transmission mode: the transmission is smooth, the bearing capacity is high, the structure is compact, and the like, however, inevitably, a certain tooth side clearance needs to be reserved when the gears are meshed, which causes transmission return difference and influences the pointing accuracy of the antenna. With the development of the communication industry towards the direction of high-frequency band and narrow beam, the requirement of the field for the transmission precision of the antenna is higher and higher, so that a new transmission mode needs to be found urgently to meet the future development requirement of the communication field.
Disclosure of Invention
In view of the above, the present invention provides an antenna mount based on precise flexible cable transmission. Compared with the prior art, the antenna pedestal has lower transmission return difference and better pointing accuracy and wind resistance.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
an antenna pedestal based on precise flexible cable transmission comprises an azimuth rotating disk and a pitching structure positioned on the azimuth rotating disk; the pitching structure comprises a pitching driving device and a pitching clamping plate which are fixed on the upper surface of the azimuth turntable; the pitching structure further comprises a pitching driving wheel and a pitching driven wheel; the pitching driving wheel and the pitching driven wheel are constrained between the pitching clamping plates through corresponding rotating shafts; an output shaft of the pitching driving device is connected with a pitching driving wheel, and the pitching driving wheel and the pitching driven wheel are driven by a pitching steel wire rope wound on the pitching driving wheel and the pitching driven wheel.
Furthermore, a first coded disc is arranged on a rotating shaft of the pitching driven wheel extending out of the pitching clamping plate.
Further, the pitching driving device comprises a pitching motor and a pitching reducer; the pitching speed reducer is a worm gear speed reducer, and a tail shaft used for manually rotating and pitching is arranged on the worm gear speed reducer.
Further, the pitching structure comprises a first pitching group and a second pitching group, and the first pitching group and the second pitching group respectively comprise a pitching driving wheel, a pitching driven wheel and a pitching clamping plate; and an output shaft of the pitching driving device drives the pitching driving wheels of the first pitching group and the second pitching group respectively.
Furthermore, the first pitching group and the second pitching group are respectively located on two sides of the pitching driving device, and the pitching driven wheels of the first pitching group and the second pitching group are respectively provided with a mounting bracket for mounting the antenna reflecting surface.
Furthermore, an azimuth driving wheel and an azimuth driven wheel are arranged below the azimuth turntable; the azimuth driven wheel is connected with the azimuth turntable bearing, and the central axes of the azimuth driven wheel and the azimuth turntable bearing are overlapped; the upper surface of the azimuth turntable is also fixedly provided with a driving device, and an output shaft of the driving device penetrates through a driving hole on the azimuth turntable to be connected with an azimuth driving wheel positioned below the azimuth turntable.
Furthermore, a support ring is fixedly arranged at the bottom of the azimuth turntable, and the azimuth driving wheel is positioned in the support ring; the bottom of the support ring is connected with the bottom of the azimuth driving wheel through a bearing; the support ring, the azimuth driving wheel and the azimuth driven wheel are all positioned on the same horizontal plane, and the azimuth driving wheel and the azimuth driven wheel are driven by an azimuth steel wire rope wound on the azimuth driving wheel and the azimuth driven wheel; and the support ring is provided with an opening through which the azimuth steel wire rope passes.
Further, the driving device comprises an azimuth motor and an azimuth reducer connected with the azimuth motor; the top of the azimuth reducer is provided with an azimuth synchronous structure, wherein the azimuth synchronous structure comprises a lead screw, a nut and a mounting frame; a first output shaft of the azimuth reducer is connected with the azimuth driving wheel, a second output shaft is connected with one end of a screw rod, and the other end of the screw rod is connected with a second coded disc; the mounting bracket is fixed at the top of the azimuth reducer, the screw rod is positioned in the mounting bracket, and the side wall of the mounting bracket is provided with a vertical slideway; a nut which is in threaded connection with the lead screw moves along the vertical slideway; an upper limit proximity switch and a lower limit proximity switch are respectively fixed at the top end and the bottom end of the vertical slideway on the mounting bracket; the upper limit proximity switch and the lower limit proximity switch are both connected with the azimuth motor.
Furthermore, a pitching steel wire rope wound between the pitching driving wheel and the pitching driven wheel is fixed through a pitching pre-tightening structure positioned on the pitching driven wheel; the azimuth steel wire rope wound between the azimuth driving wheel and the azimuth driven wheel is fixed through an azimuth pre-tightening structure positioned on the azimuth driven wheel; the azimuth pre-tightening structure and the pitching pre-tightening structure respectively comprise a pre-tightening bolt, a pre-tightening nut, a disc spring set and a pre-tightening base; the pre-tightening base is positioned on the plane where the steel wire rope of the driven wheel is positioned; the positions of one of two opposite edges of the pre-tightening base are provided with caulking grooves, and the caulking grooves on the two edges are in one-to-one correspondence to form caulking groove groups respectively;
a pre-tightening bolt is arranged in one caulking groove of the same caulking groove group, and the head of the pre-tightening bolt has sliding freedom in the caulking groove; the disc spring is sleeved on the pre-tightening bolt, the bottom of the disc spring is pressed on the side wall of the caulking groove, and the top of the disc spring is provided with the pre-tightening nut; each steel wire rope bypasses the driving wheel, one end of each steel wire rope is fixed at the head of the pre-tightening bolt, and the other end of each steel wire rope is directly fixed in the other caulking groove of the same caulking groove group; the head of the pre-tightening bolt is provided with a groove, and the end part of the steel wire rope is provided with a bulge matched with the groove.
Furthermore, the azimuth steel wire rope and the pitching steel wire rope are both connected with the driving wheel and the driven wheel through an 8-shaped winding method; the pre-tightening base of the azimuth driven wheel is positioned on the inner side of the azimuth driven wheel, and the tail end of the azimuth steel wire rope penetrates through a rope hole in the azimuth driven wheel and is fixed on the pre-tightening base of the azimuth driven wheel.
The invention adopts the technical scheme to produce the beneficial effects that:
1. the final stages of the azimuth and pitching transmission chains adopt a precise flexible cable transmission mode, and the high rigidity and low altitude return characteristic of the precise flexible cable transmission can ensure the quick response of an antenna system and improve the pointing precision of the antenna.
2. The antenna can stably point to a target without shaking when bearing wind load in work, and has strong wind resistance.
3. The precise flexible cable transmission does not need lubrication, so that the precise flexible cable transmission is insensitive to temperature and can enhance the environmental adaptability of the antenna pedestal.
4. The invention has simple structure, easy processing, installation and maintenance and low cost.
Drawings
FIG. 1: is a schematic diagram of the whole structure of the invention;
FIG. 2: is a first pitch combination schematic of the invention;
FIG. 3: is a schematic view of the orientation combination of the invention;
FIG. 4: is a schematic view of the orientation synchronization mechanism of the present invention;
FIG. 5: is a schematic view of the pretensioning device of the invention;
in the figure: the device comprises a first pitching combination 1, a second pitching combination 2, an azimuth combination 3, a pitching speed reducer 4, a pitching motor 5, a pitching driving wheel 6, a pitching driven wheel 7, a steel wire rope 8, a support 9, a pre-tightening device 10, an antenna surface mounting support 11, a coded disc 12, a pre-tightening base 13, an azimuth driving wheel 14, an azimuth driven wheel 15, a support device 16, an azimuth turntable 17, an azimuth motor 18, an azimuth speed reducer 19, an azimuth synchronizing mechanism 20, a turntable bearing 21, a mounting frame 22, a rotating shaft 23, a sliding block 24, a proximity switch support 25, a proximity switch 26, a pre-tightening bolt 27, a pre-tightening nut 28, a disc spring group 29, a gasket 30 and a steel wire rope end 31.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
An antenna pedestal based on precise flexible cable transmission mainly comprises a first pitching assembly 1, a second pitching assembly 2 and an azimuth assembly 3, wherein the first pitching assembly 1 and the second pitching assembly 2 are arranged above the azimuth assembly 3, and are distributed at two sides of the azimuth combination 3, pass through the azimuth turntable in the azimuth combination 3, and move downwards for a certain distance, the collection height of the antenna can be effectively reduced, the first pitching combination 1 and the second pitching combination 2 are synchronously driven by the pitching motor 5 through the left output end and the right output end of the pitching reducer 4 to realize the pitching rotation, the azimuth combination 3 is driven by a motor through a speed reducer to realize azimuth rotation, and the final stages of the transmission chains of the first pitching combination 1, the second pitching combination 2 and the azimuth combination 3 are all driven by precise flexible cables, so that the pointing accuracy and the wind resistance of the antenna can be effectively improved.
Further, the first pitch combination 1 and the second pitch combination 2 each comprise: the device comprises a pitching driving wheel, a pitching driven wheel, a steel wire rope, a support, a pre-tightening device, an antenna surface mounting support, a pre-tightening base and the like.
The pitching driving wheel and the pitching driven wheel are respectively arranged on the two supports through bearings, the antenna surface mounting support is fixed on the two sides of the pitching driven wheel through screws, the upper portion of the pitching driven wheel is of a platform structure and used for mounting the pre-tightening base, and the pre-tightening device is mounted in the pre-tightening base.
The first pitching combination 1 and the second pitching combination 2 are respectively provided with 8 steel wire ropes which are stable in transmission, the steel wire ropes are wound on the pitching driving wheel and the pitching driven wheel in an 8-shaped mode, the pitching driving wheel is wound for three circles, the wrap angle is close to 6 pi rad, and the pitching driven wheel is wound for close circles.
The pitching speed reducer adopts a worm gear speed reducer and has a self-locking function, and the worm gear speed reducer is provided with a tail shaft and can rotate to pitch manually.
Further, the orientation combination 3 includes: the device comprises an azimuth driving wheel, an azimuth driven wheel, a supporting device, an azimuth turntable, an azimuth motor, an azimuth reducer, an azimuth synchronizing mechanism, a turntable bearing, a steel wire rope, a pre-tightening device, a code disc and a pre-tightening base.
The azimuth turntable is arranged on the azimuth driven wheel through the turntable bearing. The supporting device is fixedly connected below the azimuth turntable through screws, the lower end of the azimuth driving wheel is installed at the lower end of the supporting device through a bearing, and the upper end of the azimuth driving wheel is connected with the output end of the azimuth reducer through a key.
The azimuth turntable bearing is a four-point contact bearing.
The pretightening base is arranged on the inner side of the azimuth driving wheel, so that the azimuth driven wheel can be prevented from interfering with the pretightening base when the azimuth rotation range exceeds 360 degrees.
The azimuth combination 3 is driven by 4 steel wire ropes, the steel wire ropes are wound on the azimuth driving wheel and the azimuth driven wheel in an 8 shape, the azimuth driving wheel is wound for two circles, the wrap angle is close to 4 pi rad, the winding angle on the azimuth driven wheel is set to 540 degrees, and the rotation range of the azimuth is-200 degrees- +200 degrees.
The azimuth reducer adopts a worm gear reducer and has a self-locking function, and the worm gear reducer is provided with a tail shaft and can manually rotate the azimuth.
Further, the orientation synchronization mechanism includes: the device comprises a mounting frame, a rotating shaft, a sliding block, a proximity switch support, a frame proximity switch and a coded disc.
The azimuth synchronizing mechanism is installed on the azimuth reducer shell through screws, and the rotating shaft is connected with the output end of the azimuth reducer through a key.
The rotating shaft and the inner hole of the sliding block are both provided with threads, and the sliding block can move on the rotating shaft through rotation.
The working principle of the azimuth synchronizing mechanism is as follows: the azimuth reducer drives the rotating shaft to rotate, so that the sliding block can be caused to move up and down, and when the distance between the sliding block and the proximity switch is close, the azimuth reducer stops rotating.
Further, the pretensioning device comprises: the device comprises a pre-tightening bolt, a pre-tightening nut, a disc spring set, a washer and a pre-tightening base.
The steel wire rope is fixed in a groove of the pre-tightening bolt by starting from one end of the pre-tightening base, bypassing the driving wheel and the driven wheel, the pre-tightening nut is screwed down, and the disc spring group is compressed to realize pre-tightening on the steel wire rope.
The invention discloses an antenna seat frame based on precise flexible cable transmission, which comprises a first pitching assembly 1, a second pitching assembly 2, an azimuth assembly 3, a pitching reducer 4, a pitching motor 5, a pitching driving wheel 6, a pitching driven wheel 7, a steel wire rope 8, a support 9, a pre-tightening device 10, an antenna surface mounting support 11, a coded disc 12, a pre-tightening base 13, an azimuth driving wheel 14, an azimuth driven wheel 15, a support device 16, an azimuth turntable 17, an azimuth motor 18, an azimuth reducer 19, an azimuth synchronizing mechanism 20, a turntable bearing 21, a mounting frame 22, a rotating shaft 23, a sliding block 24, an approach switch support 25, an approach switch 26, a pre-tightening bolt 27, a pre-tightening nut 28, a disc spring group 29, a gasket 30 and a steel wire rope end 31, wherein the antenna seat frame is provided with the pre-tightening mechanism 20, the azimuth driven wheel and the bearing.
Specifically, as shown in fig. 1, the first pitching assembly 1 and the second pitching assembly 2 are disposed above the azimuth assembly 3 and distributed on two sides of the azimuth assembly 3, pass through the azimuth turntable in the azimuth assembly 3, and move down by a certain distance, so that the storage height of the antenna can be effectively reduced. The first pitching combination 1 and the second pitching combination 2 are synchronously driven by a pitching motor 5 through the left output end and the right output end of a pitching speed reducer 4, so that pitching rotation is realized. The pitching speed reducer 4 is rigidly connected with the two pitching driving wheels 6 through a clamping shell coupling. The azimuth combination 3 is driven by an azimuth motor 18 driving an azimuth reducer 19 to realize azimuth rotation. The final stages of the transmission chains of the first pitching combination 1, the second pitching combination 2 and the azimuth combination 3 are all driven by precise flexible cables, so that the pointing accuracy and the wind resistance of the antenna can be effectively improved.
As shown in fig. 2, the first pitch combination 1 and the second pitch combination 2 each include: the device comprises a pitching driving wheel 6, a pitching driven wheel 7, a steel wire rope 8, a support 9, a pre-tightening device 10, an antenna surface mounting support 11, a pre-tightening base 13 and the like. The pitching driving wheel 6 and the pitching driven wheel 7 are respectively installed on the two supports 9 through bearings, the antenna surface installation supports 11 are fixed on the two sides of the pitching driven wheel 7 through screws, the upper portion of the pitching driven wheel 7 is of a platform structure and used for installing a pre-tightening base 13, and a pre-tightening device 10 is installed in the pre-tightening base 13. The first pitching combination 1 and the second pitching combination 2 are respectively provided with 8 steel wire ropes, so that the transmission is stable. The pitching steel wire ropes are wound on the pitching driving wheel 6 and the pitching driven wheel 7 in an 8-shaped mode, wherein the pitching driving wheel 6 is wound for three circles, the wrap angle is close to 6 pi rad, and the pitching driven wheel 7 is wound for one circle. The reason for adopting big cornerite is in order to increase the frictional force between wire rope and the rope sheave, avoids appearing skidding. The pitching reducer 4 adopts a worm gear reducer and has a self-locking function, and the worm gear reducer is provided with a tail shaft and can rotate and pitch manually. In addition, as shown in fig. 2, a coded disc 12 is connected with the pitching driven wheel 7 in the first pitching combination 1 and is used for measuring the pitching rotation angle, and a limiting device is installed at the same position of the second pitching combination 2 and is used for limiting the pitching rotation range.
As shown in fig. 3, the azimuth assembly 3 includes: the device comprises an azimuth driving wheel 14, an azimuth driven wheel 15, a supporting device 16, an azimuth turntable 17, an azimuth motor 18, an azimuth reducer 19, an azimuth synchronizing mechanism 20, a turntable bearing 21, a steel wire rope 8, a pre-tightening device 10, a code wheel 12 and a pre-tightening base 13. The azimuth turntable 17 is mounted on the azimuth driven wheel 15 through a turntable bearing 21, and the azimuth turntable bearing 21 is a four-point contact bearing. The supporting device 16 is fixedly connected below the azimuth turntable 17 through screws, the lower end of the azimuth driving wheel 14 is mounted at the lower end of the supporting device 16 through a bearing, and the upper end of the azimuth driving wheel 14 is connected with the output end of the azimuth reducer 19 through a key. The support device 16 is a structural member with high rigidity, and this is done to prevent the azimuth drive wheel 14 from assuming a cantilever state, thereby reducing deformation of the azimuth drive wheel 14. In order to avoid interference between the azimuth driving wheel 14 and the pre-tightening base 13 when the azimuth rotation range exceeds 360 °, the pre-tightening base 13 is installed inside the azimuth driven wheel 15. The azimuth combination 3 adopts 4 steel wire ropes for transmission, the steel wire ropes are wound on the azimuth driving wheel 14 and the azimuth driven wheel 15 in an 8 shape, wherein the azimuth driving wheel 14 is wound for two circles, the wrap angle is close to 4 pi rad, the winding angle on the azimuth driven wheel 15 is set to be 540 degrees, and the rotation range of the azimuth is-200 degrees- +200 degrees. The azimuth reducer 19 also adopts a worm gear reducer, has a self-locking function, and is provided with a tail shaft, so that the azimuth can be manually rotated.
The azimuth synchronization mechanism 20 is used to measure the azimuth rotation angle and limit the azimuth rotation range. As shown in fig. 4, the orientation synchronization mechanism 20 includes: mounting bracket 22, rotating shaft 23, slider 24, proximity switch bracket 25, proximity switch 26 and code wheel 12. The azimuth synchronizing mechanism 20 is mounted on the housing of the azimuth reducer 19 by screws, and the rotating shaft 23 is connected with the output end of the azimuth reducer 19 by a key. Threads are processed on the rotating shaft 23 and the inner hole of the sliding block 24, and the sliding block 24 can move on the rotating shaft 23 through rotation. The working principle of the azimuth synchronizing mechanism 20 is as follows: the azimuth reducer 19 rotates the rotating shaft 23, which in turn causes the slider 24 to move up and down, and stops rotating when the slider 24 approaches the proximity switch 26.
The wire rope can only effectively transmit force and movement after being pre-tightened properly. The antenna pedestal adopts a pre-tightening device 10 which is shown in fig. 5 and consists of a pre-tightening bolt 27, a pre-tightening nut 28, a disc spring set 29, a washer 30 and a pre-tightening base 13. The steel wire rope 8 goes from one end of the pre-tightening base 13, goes around the driving wheel and the driven wheel, is fixed in a groove of the pre-tightening bolt 27, tightens the pre-tightening nut 28, and further compresses the disc spring set 29 to achieve pre-tightening on the steel wire rope 8.
The above is only one embodiment of the present invention and is not intended to limit the present invention.
Claims (10)
1. An antenna pedestal based on precise flexible cable transmission comprises an azimuth rotating disk and a pitching structure positioned on the azimuth rotating disk; the pitching structure comprises a pitching driving device and a pitching clamping plate which are fixed on the upper surface of the azimuth turntable; the pitching structure is characterized by further comprising a pitching driving wheel and a pitching driven wheel; the pitching driving wheel and the pitching driven wheel are constrained between the pitching clamping plates through corresponding rotating shafts; an output shaft of the pitching driving device is connected with a pitching driving wheel, and the pitching driving wheel and the pitching driven wheel are driven by a pitching steel wire rope wound on the pitching driving wheel and the pitching driven wheel.
2. The antenna pedestal based on the precise flexible cable transmission as claimed in claim 1, wherein the first code disc is arranged on the rotating shaft of the pitching driven wheel extending out of the pitching clamping plate.
3. The antenna mount based on the precise flexible cable transmission of claim 1, wherein the pitch drive device comprises a pitch motor and a pitch reducer; the pitching speed reducer is a worm gear speed reducer, and a tail shaft used for manually rotating and pitching is arranged on the worm gear speed reducer.
4. The fine wire drive based antenna mount of claim 1, wherein the pitch structure comprises a first pitch group and a second pitch group, each of the first pitch group and the second pitch group comprising a pitch drive wheel, a pitch driven wheel, and a pitch clamp plate; and an output shaft of the pitching driving device drives the pitching driving wheels of the first pitching group and the second pitching group respectively.
5. The antenna pedestal based on the precise flexible cable transmission of claim 4, wherein the first pitching group and the second pitching group are respectively arranged at two sides of the pitching driving device, and the pitching driven wheels of the first pitching group and the second pitching group are respectively provided with a mounting bracket for mounting the antenna reflection surface.
6. The antenna pedestal based on the precise flexible cable transmission as claimed in claim 1, wherein an azimuth driving wheel and an azimuth driven wheel are arranged below the azimuth turntable; the azimuth driven wheel is connected with the azimuth turntable bearing, and the central axes of the azimuth driven wheel and the azimuth turntable bearing are overlapped; the upper surface of the azimuth turntable is also fixedly provided with a driving device, and an output shaft of the driving device penetrates through a driving hole on the azimuth turntable to be connected with an azimuth driving wheel positioned below the azimuth turntable.
7. The antenna pedestal based on the precise flexible cable transmission as claimed in claim 6, wherein a support ring is fixedly arranged at the bottom of the azimuth turntable, and the azimuth driving wheel is positioned in the support ring; the bottom of the support ring is connected with the bottom of the azimuth driving wheel through a bearing; the support ring, the azimuth driving wheel and the azimuth driven wheel are all positioned on the same horizontal plane, and the azimuth driving wheel and the azimuth driven wheel are driven by an azimuth steel wire rope wound on the azimuth driving wheel and the azimuth driven wheel; and the support ring is provided with an opening through which the azimuth steel wire rope passes.
8. The antenna mount based on the precise flexible cable transmission of claim 7, wherein the driving device comprises an azimuth motor and an azimuth reducer connected with the azimuth motor; the top of the azimuth reducer is provided with an azimuth synchronous structure, wherein the azimuth synchronous structure comprises a lead screw, a nut and a mounting frame; a first output shaft of the azimuth reducer is connected with the azimuth driving wheel, a second output shaft is connected with one end of a screw rod, and the other end of the screw rod is connected with a second coded disc; the mounting bracket is fixed at the top of the azimuth reducer, the screw rod is positioned in the mounting bracket, and the side wall of the mounting bracket is provided with a vertical slideway; a nut which is in threaded connection with the lead screw moves along the vertical slideway; an upper limit proximity switch and a lower limit proximity switch are respectively fixed at the top end and the bottom end of the vertical slideway on the mounting bracket; the upper limit proximity switch and the lower limit proximity switch are both connected with the azimuth motor.
9. The antenna pedestal based on the precise flexible cable transmission of claim 8, wherein a pitch steel wire rope wound between the pitch driving wheel and the pitch driven wheel is fixed through a pitch pre-tightening structure arranged on the pitch driven wheel; the azimuth steel wire rope wound between the azimuth driving wheel and the azimuth driven wheel is fixed through an azimuth pre-tightening structure positioned on the azimuth driven wheel; the azimuth pre-tightening structure and the pitching pre-tightening structure respectively comprise a pre-tightening bolt, a pre-tightening nut, a disc spring set and a pre-tightening base; the pre-tightening base is positioned on the plane where the steel wire rope of the driven wheel is positioned; the positions of one of two opposite edges of the pre-tightening base are provided with caulking grooves, and the caulking grooves on the two edges are in one-to-one correspondence to form caulking groove groups respectively;
a pre-tightening bolt is arranged in one caulking groove of the same caulking groove group, and the head of the pre-tightening bolt has sliding freedom in the caulking groove; the disc spring is sleeved on the pre-tightening bolt, the bottom of the disc spring is pressed on the side wall of the caulking groove, and the top of the disc spring is provided with the pre-tightening nut; each steel wire rope bypasses the driving wheel, one end of each steel wire rope is fixed at the head of the pre-tightening bolt, and the other end of each steel wire rope is directly fixed in the other caulking groove of the same caulking groove group; the head of the pre-tightening bolt is provided with a groove, and the end part of the steel wire rope is provided with a bulge matched with the groove.
10. The antenna pedestal based on the precise flexible cable transmission of claim 9, wherein the azimuth steel wire rope and the elevation steel wire rope are connected with the driving wheel and the driven wheel through a 8-shaped winding method; the pre-tightening base of the azimuth driven wheel is positioned on the inner side of the azimuth driven wheel, and the tail end of the azimuth steel wire rope penetrates through a rope hole in the azimuth driven wheel and is fixed on the pre-tightening base of the azimuth driven wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111558882.XA CN114188700A (en) | 2021-12-20 | 2021-12-20 | Antenna seat frame based on accurate flexible cable transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111558882.XA CN114188700A (en) | 2021-12-20 | 2021-12-20 | Antenna seat frame based on accurate flexible cable transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114188700A true CN114188700A (en) | 2022-03-15 |
Family
ID=80605598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111558882.XA Pending CN114188700A (en) | 2021-12-20 | 2021-12-20 | Antenna seat frame based on accurate flexible cable transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114188700A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115498415A (en) * | 2022-09-01 | 2022-12-20 | 陕西华通机电制造有限公司 | Synchronous driving pitching mechanism |
-
2021
- 2021-12-20 CN CN202111558882.XA patent/CN114188700A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115498415A (en) * | 2022-09-01 | 2022-12-20 | 陕西华通机电制造有限公司 | Synchronous driving pitching mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202159759U (en) | Vehicle-mounted satellite communication antenna | |
| CN106970363B (en) | Triaxial antenna test turntable system with low reflection characteristic | |
| CN109506096B (en) | Vehicle-mounted radar azimuth turntable | |
| CN114188700A (en) | Antenna seat frame based on accurate flexible cable transmission | |
| CN110939842A (en) | Two-shaft two-frame photoelectric stabilized platform based on steel wire rope transmission | |
| CN2694516Y (en) | Vehicle mounted satellite communication antenna | |
| CN214122457U (en) | Servo transmission platform of coaxial feed airborne weather radar | |
| CN106323283B (en) | Vehicle-mounted two-axis turntable and testing method thereof | |
| CN207773509U (en) | A kind of stable photoelectric platform | |
| CN210566073U (en) | High-speed silence revolving stage of can adjusting in succession | |
| CN216850294U (en) | X-Y axis high-precision directional antenna seat frame | |
| CN215831533U (en) | Shore-based radar antenna pedestal and radar thereof | |
| CN107861528A (en) | Flexible cable elevating gear applied to double-shaft solar tracking system | |
| CN108459623B (en) | High-precision flexible electric servo pointing mechanism | |
| CN210503228U (en) | Unmanned vehicles cloud platform and unmanned vehicles | |
| CN116093614A (en) | Large-caliber reflector antenna servo mechanism | |
| CN210862404U (en) | Small-size integral combination control mechanism | |
| CN110332290B (en) | High-speed continuously adjustable mute rotary table | |
| CN217062523U (en) | Automatic identification device of antenna scanning and tracking system | |
| CN112909548A (en) | Lifting type pitching azimuth type antenna pedestal | |
| CN207557775U (en) | Flexible cable elevating gear applied to double-shaft solar tracking system | |
| CN2133565Y (en) | Moving tooth harmonic transmission drawing machine | |
| CN214099917U (en) | Bidirectional cable-driven pitching motion type large radio telescope | |
| CN219912345U (en) | Be applied to slip table device of laser tracker | |
| CN112578386A (en) | Coaxial feed airborne weather radar servo transmission platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |