CN112421232B - Two-dimensional antenna adjusting device - Google Patents
Two-dimensional antenna adjusting device Download PDFInfo
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- CN112421232B CN112421232B CN202011255837.2A CN202011255837A CN112421232B CN 112421232 B CN112421232 B CN 112421232B CN 202011255837 A CN202011255837 A CN 202011255837A CN 112421232 B CN112421232 B CN 112421232B
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- adjusting device
- rotating frame
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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 discloses a two-dimensional antenna adjusting device, which comprises a fixed support arm used for being fixed with an external installation point, wherein an angle adjusting device is arranged on the fixed support arm, a pitching adjusting device is arranged on one side, away from the installation point, of the angle adjusting device, and an antenna mounting disc is arranged on one side, away from the angle adjusting device, of the pitching adjusting device; the angle adjusting device comprises a motor, a speed reducer, a rotating frame and a code disc, the rotating frame is connected with the pitching adjusting device, the motor drives the speed reducer to rotate and drives the rotating frame to rotate, the pitching adjusting device is further driven to rotate, and the code disc is used for detecting the rotating angle of the rotating frame. Adopt electronic mode to carry out azimuth angle adjustment to angle adjusting device, and then adjust the large rotation angle of antenna to the accessible manual mode carries out azimuth angle locking, can also carry out manual regulation to the every single move angle of antenna simultaneously, and the structure is simpler, and then saves space.
Description
Technical Field
The invention relates to the field of antenna transmission devices, in particular to a two-dimensional antenna adjusting device.
Background
Many devices in the fields of radar, communication and the like need to communicate between stations, and antennas need to be aligned with each other. In order to meet the communication requirements between stations at different positions, an antenna adjusting mechanism needs to be arranged to realize the function of aligning the antennas with each other. The antenna adjustment mechanism typically performs two-dimensional adjustments for azimuth plus elevation.
The existing two-dimensional antenna adjusting mechanism adopts a motor to drive the azimuth and the elevation, and has the advantages of complex structure, larger overall dimension, larger weight, lower reliability and higher cost. Therefore, there is a need for a two-dimensional antenna adjusting device with a simple structure and flexible and various adjusting directions.
Disclosure of Invention
Aiming at the defects in the technology, the invention provides the two-dimensional antenna adjusting device, which adopts an electric mode to adjust the azimuth angle of the angle adjusting device, further adjusts the large rotation angle of the antenna, can lock the azimuth angle in a manual mode, and can also manually adjust the pitching angle of the antenna, so that the structure is simpler, and the space is saved.
In order to achieve the above purpose, the present invention provides a two-dimensional antenna adjusting device, which comprises a fixed support arm for fixing with an external installation point, wherein an angle adjusting device is arranged on the fixed support arm, a pitching adjusting device is arranged on one side of the angle adjusting device away from the installation point, and an antenna mounting plate is arranged on one side of the pitching adjusting device away from the angle adjusting device; the angle adjusting device comprises a motor, a speed reducer, a rotating frame and a code disc, the rotating frame is connected with the pitching adjusting device, the motor drives the speed reducer to rotate and drives the rotating frame to rotate, the pitching adjusting device is further driven to rotate, and the code disc is used for detecting the rotating angle of the rotating frame. Adopt electronic mode to carry out azimuth angle adjustment to angle adjusting device, and then adjust the large rotation angle of antenna to the accessible manual mode carries out azimuth angle locking, can also carry out manual regulation to the every single move angle of antenna simultaneously, and the structure is simpler, and then saves space.
Preferably, be provided with on the rotating turret and be used for fixing the position locking device of rotating turret rotation angle, position locking device includes key seat, bolt, pin bush and pressure spring, the key seat is fixed on the rotating turret, the flexible setting of bolt is in the key seat, the pin bush cup joints on the bolt and with the key seat is fixed, the bolt with be provided with between the pin bush the pressure spring, fixed support arm is being close to one side of bolt is provided with the lockhole, the bolt with the lockhole cooperatees.
Preferably, the number of the lock holes is multiple, and the lock holes are annularly distributed on the fixed support arm.
Preferably, one side of the bolt far away from the lock hole is provided with a bayonet lock, the pin sleeve is provided with a first clamping groove and a second clamping groove corresponding to the bayonet lock, the first clamping groove and the second clamping groove are different in length in the telescopic direction of the bolt, the bolt is rotated to adjust the bayonet lock to enter the first clamping groove or the second clamping groove, and then the telescopic length of the bolt is adjusted. The bolt can be fixed when unlocked.
Preferably, one side of the bolt close to the lock hole is provided with a limiting ring, a limiting part is arranged in the pin seat, and the limiting part and the limiting ring are matched to limit the extending length of the bolt. When the lock is closed, the bolt can be prevented from being extended too long to damage the bolt or the fixed support arm.
Preferably, a sealing protective cover is arranged outside the motor, the speed reducer and the coded disc. Form through the o type sealing washer between sealed protection casing and the fixed support arm and seal, prevent that rainwater, sand and dust, debris from getting into, can also set up waterproof ventilative stopper on the sealed protection casing, can play waterproof effect, can play the effect that keeps inner space and external atmospheric pressure balance again.
Preferably, the number of the fixed support arms is two, the rotating frame is arranged between the two fixed support arms, the coded disc is arranged on one side of each of the two fixed support arms, and the motor and the speed reducer are arranged on the other side of each of the two fixed support arms. The rotating frame comprises a first shaft head, a second shaft head and a frame body, an output shaft of the speed reducer is inserted into a hole of the shaft head and transmits rotary motion through a key, and the coded disc is connected with the second shaft head through a coupler.
Preferably, a support frame is arranged between the two fixed support arms, and a cushion pad is arranged on the support frame and used for blocking the rotating frame and limiting the rotating angle of the rotating frame. The support frame is connected with the two fixed support arms through screws, so that the two fixed support arms form a whole, and the rigidity is improved. The blotter is fixed on the support frame, and when the rotating turret rotated extreme position, the rotating turret contacted with the blotter, prevented the rotating turret and continued the rotation and lead to the condition of damaging equipment.
Preferably, every single move adjusting device includes telescopic strut, first journal stirrup and second journal stirrup, telescopic strut's one end with rotating turret threaded connection, telescopic strut keeps away from the one end of rotating turret is fixed with first journal stirrup, the antenna mounting disc is close to one side of rotating turret is provided with the second journal stirrup, first journal stirrup with the second journal stirrup forms first revolute pair through the pivot, every single move adjusting device still includes third journal stirrup and fourth journal stirrup, the third journal stirrup sets up the rotating turret is close to in the one side of antenna mounting disc, the fourth journal stirrup is installed on the antenna mounting disc, just the fourth journal stirrup with the third journal stirrup forms the second revolute pair, first revolute pair with the second revolute pair interval sets up. The angle of the antenna mounting disc can be adjusted by adjusting the position of the telescopic supporting rod.
Preferably, the rotating frame is provided with an adjusting nut with an internal thread, the telescopic support rod is provided with an external thread corresponding to the internal thread, and one end, far away from the first support lug, of the telescopic support rod is further provided with a locking nut. When the pitching angle needs to be adjusted, the locking nut is loosened, the adjusting nut is rotated, the telescopic supporting rod moves, the antenna mounting coil is pushed to rotate around the third supporting lug, and the pitching adjusting effect is achieved. The pitch angle is read by a pointer and a scale. After the locking nut is adjusted in place, the locking nut is screwed to play a role in preventing looseness. Each rotating link of the pitching adjustment is provided with an oil nozzle and a lubricating channel, so that lubricating grease can be conveniently supplemented.
The invention has the beneficial effects that: compared with the prior art, the invention provides a two-dimensional antenna adjusting device, which comprises a fixed support arm used for being fixed with an external installation point, wherein an angle adjusting device is arranged on the fixed support arm, a pitching adjusting device is arranged on one side of the angle adjusting device, which is far away from the installation point, and an antenna mounting disc is arranged on one side of the pitching adjusting device, which is far away from the angle adjusting device; the angle adjusting device comprises a motor, a speed reducer, a rotating frame and a code disc, the rotating frame is connected with the pitching adjusting device, the motor drives the speed reducer to rotate and drives the rotating frame to rotate, the pitching adjusting device is further driven to rotate, and the code disc is used for detecting the rotating angle of the rotating frame. Adopt electronic mode to carry out azimuth angle adjustment to angle adjusting device, and then adjust the large rotation angle of antenna to the accessible manual mode carries out azimuth angle locking, can also carry out manual regulation to the every single move angle of antenna simultaneously, and the structure is simpler, and then saves space.
Drawings
Fig. 1 is a first perspective structural view of the present application;
fig. 2 is a second perspective view of the present application.
FIG. 3 is a cross-sectional view of the present application;
FIG. 4 is a view showing the structure of an azimuth lock device according to the present application;
FIG. 5 is a side view of the present application;
fig. 6 is an enlarged view of a portion a of fig. 5 of the present application.
Description of the element symbols: 1. fixing the support arm; 2. a rotating frame; 3. a pitch adjustment device; 4. an antenna mounting plate; 5. sealing the protective cover; 6. a support frame; 7. code disc; 8. a motor; 9. a speed reducer; 11. a lock hole; 21. an azimuth lock device; 31. a telescopic strut; 32. a first lug; 33. a second lug; 34. adjusting the nut; 35. locking the nut; 36. a fourth lug; 37. a third lug; 38. a fifth lug; 39. a sixth lug; 51. a waterproof vent plug; 61. a cushion pad; 211. a bolt; 212. a pressure spring; 213. a pin boss; 214. a pin bush; 2111. a bayonet lock; 2141. a first card slot; 2142. and a second card slot.
Detailed Description
In order to more clearly describe the present invention, the present invention will be further described with reference to the accompanying drawings.
Example 1: referring to fig. 1 to 6, the present invention discloses a two-dimensional antenna adjusting device, which includes a fixed arm 1 for fixing with an external installation point, an angle adjusting device is disposed on the fixed arm 1, a pitching adjusting device 3 is disposed on a side of the angle adjusting device away from the installation point, and an antenna mounting plate 4 is disposed on a side of the pitching adjusting device 3 away from the angle adjusting device; the angle adjusting device comprises a motor 8, a speed reducer 9, a rotating frame 2 and a code disc 7, the rotating frame 2 is connected with the pitching adjusting device 3, the motor 8 drives the speed reducer 9 to rotate, and drives the rotating frame 2 to rotate, so that the pitching adjusting device 3 is driven to rotate, and the code disc 7 is used for detecting the rotating angle of the rotating frame 2. Adopt electronic mode to carry out azimuth angle adjustment to angle adjusting device, and then adjust the large rotation angle of antenna to the accessible manual mode carries out azimuth angle locking, can also carry out manual regulation to the every single move angle of antenna simultaneously, and the structure is simpler, and then saves space. The fixed support arm 1 is provided with an electric limiting sensor, the induction sheet is arranged on the rotating frame 2, when the rotating frame 2 reaches a limiting position, the induction sheet is close to the electric limiting sensor, the electric limiting sensor senses signals, the signals are collected by the control extension and a stop instruction is sent out, so that the motor 8 is powered off, and the electric limiting is moved before the mechanical limiting.
Example 2: the rotating frame 2 of this embodiment is provided with an azimuth locking device 21 for fixing the rotation angle of the rotating frame 2, the azimuth locking device 21 includes a pin seat 213, a plug pin 211, a pin sleeve 214 and a pressure spring 212, the pin seat 213 is fixed on the rotating frame 2, the plug pin 211 is telescopically arranged in the pin seat 213, the pin sleeve 214 is sleeved on the plug pin 211 and fixed with the pin seat 213, the pressure spring 212 is arranged between the plug pin 211 and the pin sleeve 214, one side of the fixed support arm 1 close to the plug pin 211 is provided with a lock hole 11, and the plug pin 211 is matched with the lock hole 11. The number of the locking holes 11 of the present embodiment is plural, and the locking holes are annularly distributed on the fixed arm 1. Different angles can be fixed. One side of the plug pin 211 far away from the lock hole 11 in this embodiment is provided with a plug pin 2111, the pin sleeve 214 is provided with a first clamping groove 2141 and a second clamping groove 2142 corresponding to the plug pin, the length of the first clamping groove 2141 and the length of the second clamping groove 2142 in the telescopic direction of the plug pin 211 are different, the plug pin 211 is rotated, the plug pin 2111 is adjusted to enter the first clamping groove 2141 or the second clamping groove 2142, and then the telescopic length of the plug pin 211 is adjusted. The latch 211 can be fixed when unlocked. One side of the bolt 211 close to the lock hole 11 of the present embodiment is provided with a limiting ring, and the pin seat 213 is provided with a limiting portion, and the limiting portion cooperates with the limiting ring to limit the extension length of the bolt 211. When the locking mechanism is locked, the bolt 211 can be prevented from being extended too long to damage the bolt 211 or the fixed support arm 1. When the bolt 211 extends into the lock hole 11, the rotating frame 2 cannot rotate, so that the locking effect is achieved, and the rotating frame 2 can rotate only when the bolt retracts. When locking is needed, the plug pin 211 is pulled outwards until the first clamping groove 2141 is pulled out, the plug pin 211 is placed into the second clamping groove 2142 by rotating a certain angle, the plug pin 211 extends out under the action of the pressure spring 212 and is inserted into the lock hole 11, and the clamping pin 2111 is in the second clamping groove 2142 and keeps a locking position.
Example 3: the motor 8, the speed reducer 9 and the code wheel 7 of the embodiment are all provided with a sealing protective cover 5. Form sealedly through o type sealing washer between sealed protection casing 5 and the fixed support arm 1, prevent that rainwater, sand and dust, debris from getting into, can also set up waterproof ventilative stopper 51 on the sealed protection casing 5, can play waterproof effect, can play the effect that keeps inner space and external atmospheric pressure balance again. The number of the fixed support arms 1 is two, the rotating frame 2 is arranged between the two fixed support arms 1, one side of each of the two fixed support arms 1 is provided with the code wheel 7, and the other side of each of the two fixed support arms 1 is provided with the motor 8 and the speed reducer 9. The rotating frame 2 comprises a first shaft head, a second shaft head and a frame body, an output shaft of the speed reducer 9 is inserted into a hole of the shaft heads and transmits rotary motion through a key, and the coded disc 7 is connected with the second shaft head through a coupler. A support frame 6 is arranged between the two fixed arms 1 of the present embodiment, and a buffer pad 61 is arranged on the support frame 6 for blocking the rotating frame 2 and limiting the rotation angle of the rotating frame 2. The support frame 6 is connected with the two fixed support arms 1 through screws, so that the two fixed support arms 1 form a whole, and the rigidity is improved. The buffer 61 is fixed on the support frame 6, when the rotating frame 2 rotates to the limit position, the rotating frame 2 contacts with the buffer 61, and the condition that the rotating frame 2 rotates continuously to damage the equipment is prevented.
Example 4: the pitching adjusting device 3 of this embodiment includes telescopic strut 31, first lug 32 and second lug 33, the one end and the rotating turret 2 threaded connection of telescopic strut 31, the one end that telescopic strut 31 kept away from rotating turret 2 is fixed with first lug 32, one side that antenna mounting disc 4 is close to rotating turret 2 is provided with second lug 33, first lug 32 forms first revolute pair through the pivot with second lug 33, pitching adjusting device 3 still includes third lug 37 and fourth lug 36, third lug 37 sets up on the one side that rotating turret 2 is close to antenna mounting disc 4, fourth lug 36 installs on antenna mounting disc 4, and fourth lug 36 forms the second revolute pair with third lug 37, first revolute pair sets up with the second revolute pair interval. The angle of the antenna mounting plate 4 can be adjusted by adjusting the position of the telescopic strut 31. The rotating frame 2 of this embodiment is provided with an adjusting nut 34 having an internal thread, the telescopic strut 31 is provided with an external thread corresponding to the internal thread, and one end of the telescopic strut 31 far away from the first lug 32 is further provided with a locking nut 35. When the pitching angle needs to be adjusted, the locking nut 35 is loosened, the adjusting nut 34 is rotated, the telescopic supporting rod 31 moves, and the antenna mounting disc 4 is pushed to rotate around the third supporting lug 37, so that the pitching adjusting effect is achieved. The pitch angle is read by a pointer and a scale. After the locking nut 35 is adjusted in place, the locking nut is screwed to play a role in preventing looseness. Each rotating link of the pitching adjustment is provided with an oil nozzle and a lubricating channel, so that lubricating grease can be conveniently supplemented. The rotating frame of the embodiment is further provided with a fifth lug 38 and a sixth lug 39 which are used for fixing the telescopic support rod, the fifth lug 38 is fixed on the adjusting nut, the sixth lug 39 is fixed on the rotating frame, and the fifth lug 38 is rotatably connected with the sixth lug 39.
The above disclosure is only for a few specific embodiments of the present invention, but the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (9)
1. A two-dimensional antenna adjusting device is characterized by comprising a fixed support arm used for being fixed with an external installation point, wherein an angle adjusting device is arranged on the fixed support arm, a pitching adjusting device is arranged on one side, away from the installation point, of the angle adjusting device, and an antenna mounting disc is arranged on one side, away from the angle adjusting device, of the pitching adjusting device; the angle adjusting device comprises a motor, a speed reducer, a rotating frame and a code disc, the rotating frame is connected with the pitching adjusting device, the motor drives the speed reducer to rotate and drives the rotating frame to rotate, so that the pitching adjusting device is driven to rotate, and the code disc is used for detecting the rotating angle of the rotating frame; the rotary frame is provided with a position locking device used for fixing the rotation angle of the rotary frame, the position locking device comprises a pin seat, a bolt, a pin sleeve and a pressure spring, the pin seat is fixed on the rotary frame, the bolt is arranged in the pin seat in a telescopic mode, the pin sleeve is sleeved on the bolt and fixed with the pin seat, the pressure spring is arranged between the bolt and the pin sleeve, one side, close to the bolt, of the fixed support arm is provided with a lock hole, and the bolt is matched with the lock hole.
2. The two-dimensional antenna adjustment apparatus according to claim 1, wherein the number of the locking holes is plural, and the locking holes are distributed on the fixed arm in a ring shape.
3. The two-dimensional antenna adjusting device according to claim 1, wherein a bayonet lock is arranged on one side of the bolt away from the lock hole, a first clamping groove and a second clamping groove are arranged on the pin sleeve corresponding to the bayonet lock, the first clamping groove and the second clamping groove have different lengths in the telescopic direction of the bolt, the bolt is rotated, the bayonet lock is adjusted to enter the first clamping groove or the second clamping groove, and then the telescopic length of the bolt is adjusted.
4. The two-dimensional antenna adjusting device according to claim 1, wherein a limiting ring is disposed on a side of the bolt close to the lock hole, a limiting portion is disposed in the pin seat, and the limiting portion cooperates with the limiting ring to limit the extension length of the bolt.
5. A two-dimensional antenna adjustment device according to claim 1, wherein a sealing shield is provided outside the motor, the reducer and the code wheel.
6. A two-dimensional antenna adjustment device according to claim 1, characterized in that the number of the fixed arms is two, and the rotating frame is arranged between the two fixed arms, and one side of the two fixed arms is provided with the code wheel and the other side is provided with the motor and the reducer.
7. A two-dimensional antenna adjustment apparatus according to claim 6, wherein a support frame is disposed between the two fixed arms, and a cushion is disposed on the support frame for blocking the rotating frame and limiting the rotation angle of the rotating frame.
8. A two-dimensional antenna adjustment arrangement according to claim 1, wherein the pitch adjustment arrangement comprises a telescopic strut, a first lug and a second lug, one end of the telescopic supporting rod is connected with the rotating frame through screw threads, one end of the telescopic supporting rod, which is far away from the rotating frame, is fixed with the first supporting lug, the second support lug is arranged on one side of the antenna mounting disc close to the rotating frame, the first support lug and the second support lug form a first rotating pair through a rotating shaft, the pitching adjusting device also comprises a third supporting lug and a fourth supporting lug, the third supporting lug is arranged on one surface of the rotating frame close to the antenna mounting disc, the fourth supporting lug is arranged on the antenna mounting disc, and the fourth lug and the third lug form a second revolute pair, and the first revolute pair and the second revolute pair are arranged at intervals.
9. A two-dimensional antenna adjusting device according to claim 8, wherein the rotating frame is provided with an adjusting nut having an internal thread, the telescopic strut is provided with an external thread corresponding to the internal thread, and a locking nut is further provided at an end of the telescopic strut away from the first lug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011255837.2A CN112421232B (en) | 2020-11-11 | 2020-11-11 | Two-dimensional antenna adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011255837.2A CN112421232B (en) | 2020-11-11 | 2020-11-11 | Two-dimensional antenna adjusting device |
Publications (2)
| Publication Number | Publication Date |
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| CN112421232A CN112421232A (en) | 2021-02-26 |
| CN112421232B true CN112421232B (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011255837.2A Active CN112421232B (en) | 2020-11-11 | 2020-11-11 | Two-dimensional antenna adjusting device |
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| CN (1) | CN112421232B (en) |
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