CN210566073U - High-speed silence revolving stage of can adjusting in succession - Google Patents
High-speed silence revolving stage of can adjusting in succession Download PDFInfo
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- CN210566073U CN210566073U CN201921125546.4U CN201921125546U CN210566073U CN 210566073 U CN210566073 U CN 210566073U CN 201921125546 U CN201921125546 U CN 201921125546U CN 210566073 U CN210566073 U CN 210566073U
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Abstract
The utility model provides a high-speed continuously adjustable mute rotary table, which comprises a mounting plate, wherein a bearing seat is fixed on the upper surface of the mounting plate, a rotary bearing is arranged above the bearing seat, and the bearing seat is fixedly connected with the inner ring of the rotary bearing; a supporting plate is arranged above the slewing bearing and fixedly connected with the outer ring of the slewing bearing; a driven belt wheel is sleeved on the outer side of the rotary bearing, a belt wheel mounting seat is arranged below the driven belt wheel, the driven belt wheel is fixedly connected with the belt wheel mounting seat, and the belt wheel mounting seat is fixed on the upper surface of the mounting plate; one side of the driven belt wheel is provided with a driving belt wheel connected with the driven belt wheel through a synchronous belt, and the outer side of the synchronous belt is also provided with a tension wheel used for adjusting the tightness of the synchronous belt; the central rotating shaft of the driving belt wheel is connected with an output shaft of the speed reducer, and an input shaft of the speed reducer is connected with the stepping motor; the utility model provides a can continuous regulation rotational speed, but and the low high-speed silence revolving stage of continuous regulation of noise at work.
Description
Technical Field
The utility model belongs to the technical field of antenna revolving stage mechanical transmission, concretely relates to but high-speed continuous adjustment silence revolving stage.
Background
An antenna is a transducer that converts a guided wave on a transmission line into an electromagnetic wave that propagates in an unbounded medium (usually free space), or vice versa, and is a component in a radio device for transmitting or receiving electromagnetic waves; engineering systems such as radio communication, broadcasting, television, radar, navigation, electronic countermeasure, remote sensing, radio astronomy and the like all rely on antennas to work when electromagnetic waves are used for transmitting information; antenna revolving stage that uses in the existing market is mostly gear drive revolving stage, and speed low noise is big, can have some defects in the in-process of using, for example: the suitable rotational speed can not be changed according to self demand in succession, has lost certain practical scope in the use, and the device when adjusting, because the revolving stage adopts the gear transmission mostly, can not adjust the noise at work of device to suitable comfortable degree when specific condition, and wearing and tearing are comparatively obvious.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the problem that exists among the above-mentioned prior art, provide one kind can continuous control rotational speed, and the high-speed silence revolving stage of can continuous control rotational speed that noise at work is little.
The technical scheme of the utility model is that: a high-speed continuously adjustable mute rotary table comprises an installation plate, wherein a bearing seat is fixed on the upper surface of the installation plate, a rotary bearing is arranged above the bearing seat, and the bearing seat is fixedly connected with an inner ring of the rotary bearing; a supporting plate is arranged above the slewing bearing and fixedly connected with the outer ring of the slewing bearing; a driven belt wheel is sleeved on the outer side of the rotary bearing, a belt wheel mounting seat is arranged below the driven belt wheel, the driven belt wheel is fixedly connected with the belt wheel mounting seat, and the belt wheel mounting seat is fixed on the upper surface of the mounting plate; a driving belt wheel connected with the driven belt wheel through a synchronous belt is arranged on one side of the driven belt wheel, and the driving belt wheel is fixedly connected with the supporting plate; a tension pulley for adjusting the tightness of the synchronous belt is arranged on the outer side of the synchronous belt; the central rotating shaft of the driving belt wheel is connected with an output shaft of the speed reducer, and an input shaft of the speed reducer is connected with the stepping motor.
The upper surface and the lower surface of the belt pulley mounting seat are both fixed with an annular bulge concentric with the belt pulley mounting seat, the upper surface of the mounting plate is provided with a first annular groove matched with the annular bulge, and the lower surface of the driven belt pulley is provided with a second annular groove matched with the annular bulge.
The mounting plate, the bearing seat and the inner ring of the slewing bearing are fixedly connected into a whole through a plurality of bolts; the supporting plate is fixedly connected with the outer ring of the slewing bearing through a plurality of bolts; the driven belt wheel is fixedly connected with the belt wheel mounting seat through a plurality of bolts; the belt wheel mounting seat is fixed on the upper surface of the mounting plate through a plurality of bolts; the driving belt wheel is fixedly connected with the supporting plate through a plurality of bolts.
A circular through hole is formed in the center of the supporting plate, a sliding ring is arranged in the circular through hole, a sliding ring mounting seat is sleeved on the outer side of the sliding ring, and the sliding ring mounting seat is fixedly connected with the mounting plate through a plurality of bolts.
The supporting plate is provided with an inductive switch used for determining the rotation starting point of the antenna; and a special induction bolt matched with the induction switch is arranged in the plurality of bolts for fixedly connecting the driven belt wheel with the belt wheel mounting seat.
The speed reducer and the stepping motor are both positioned above the supporting plate, the speed reducer is fixed on the upper surface of the supporting plate, and an output shaft of the speed reducer penetrates through the supporting plate to be connected with a central rotating shaft of the driving belt wheel.
The slewing bearing is a precision crossed cylindrical roller bearing.
The speed reducer is a planetary speed reducer.
The utility model has the advantages that:
1. the utility model is provided with a belt transmission mechanism, when certain special conditions occur and different rotating speeds need to be changed, a user can adjust the speed according to the needs, the rotating speed of the stepping motor is controlled by sending pulse number in unit time by the stepping motor control board, the stepping motor rotates to drive the driving belt wheel to rotate, the driving belt wheel is connected with the driven belt wheel through the synchronous belt, the driven belt wheel is fixed on the belt wheel mounting seat, therefore, the driving belt wheel rotates around the driven belt wheel in a circle, the driving belt wheel drives the supporting plate to rotate, the supporting plate is fixed with the outer ring of the slewing bearing and drives the outer ring of the slewing bearing to rotate around the inner ring of the slewing bearing, namely, when the device is operated and certain special conditions occur and different rotating speeds are needed, the user can adjust the speed according to the needs, and the new speed is sent to the stepping motor device, so that the speed of the rotary table can be continuously adjusted.
2. The utility model discloses utilizing belt drive mechanism to drive the backup pad and rotating, making the operation of revolving stage comparatively high-efficient, reliable, the silence, the user can adjust revolving stage speed according to the demand, avoids adding lubrication and noise elimination, increases weight.
3. The utility model discloses be equipped with and take drive mechanism, take-up pulley and motor module, under general condition, the user needs the elasticity to suitable volume value that the belt was adjusted through the tensioning degree of adjusting the take-up pulley, when the take-up pulley was adjusted, can loosen take-up pulley mount pad set screw, adjust gradually, and it is fixed firm to the take-up pulley mount pad that rises after will adjusting, and utilize the bolt of screwing to support the contact surface, it is fixed to make the take-up pulley, the setting up of take-up pulley makes the user can be at the tensioning of certain limit internal regulation belt, and it is smooth and easy to make the device move.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the overall explosion of the present invention;
fig. 3 is a schematic structural diagram of the annular protrusion, the first annular groove and the second annular groove of the present invention.
Fig. 4 is a schematic structural view of the belt wheel mounting seat of the present invention.
Description of reference numerals:
1. mounting a plate; 2. a bearing seat; 3. a slew bearing; 4. a support plate; 5. a driven pulley; 6. a driving pulley; 7. a synchronous belt; 8. a speed reducer; 9. a stepping motor; 10. a pulley mount; 11. a tension wheel; 12. an annular projection; 13. a first annular groove; 14. a second annular groove; 15. a slip ring; 16. a slip ring mounting seat; 17. an inductive switch.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.
Example 1
The embodiment of the utility model provides a high-speed continuously adjustable mute rotary table, which comprises a mounting plate 1, wherein a bearing seat 2 is fixed on the upper surface of the mounting plate 1, a rotary bearing 3 is arranged above the bearing seat 2, and the bearing seat 2 is fixedly connected with the inner ring of the rotary bearing 3; a supporting plate 4 is arranged above the slewing bearing 3, and the supporting plate 4 is fixedly connected with the outer ring of the slewing bearing 3; a driven belt wheel 5 is sleeved on the outer side of the rotary bearing 3, a belt wheel mounting seat 10 is arranged below the driven belt wheel 5, the driven belt wheel 5 is fixedly connected with the belt wheel mounting seat 10, and the belt wheel mounting seat 10 is fixed on the upper surface of the mounting plate 1; a driving belt wheel 6 connected with the driven belt wheel 5 through a synchronous belt 7 is arranged on one side of the driven belt wheel, and the driving belt wheel 6 is fixedly connected with the supporting plate 4; a tension pulley 11 for adjusting the tightness of the synchronous belt 7 is arranged on the outer side of the synchronous belt; the central rotating shaft of the driving belt wheel 6 is connected with the output shaft of the speed reducer 8, and the input shaft of the speed reducer 8 is connected with the stepping motor 9.
In the embodiment, the output shaft of the stepping motor 9 drives the central rotating shaft of the driving pulley 6 to rotate through the speed reducer 8, the driving pulley 6 is connected with the driven pulley 5 through the synchronous belt 7, the driven pulley 5 is fixedly connected with the pulley mounting seat 10, and the pulley mounting seat 10 is fixed on the upper surface of the mounting plate 1, so that the driven pulley 5 is fixed, the driving pulley 6 rotates circumferentially around the driven pulley 5, the driving pulley 6 is fixedly connected with the support plate 4, and the stepping motor 9 drives the support plate 4 to rotate circumferentially; because the supporting plate 4 is fixedly connected with the outer ring of the slewing bearing 3, the inner ring of the slewing bearing 3 is fixedly connected with the bearing seat 2, and the bearing seat 2 is fixedly connected with the mounting plate 1; therefore, when the support plate 4 rotates circumferentially, the outer race of the slewing bearing 3 rotates around the inner race of the fixed slewing bearing 3.
Furthermore, an annular bulge 12 concentric with the pulley mounting seat is fixed on the upper and lower surfaces of the pulley mounting seat 10, a first annular groove 13 used for being matched with the annular bulge 12 is formed in the upper surface of the mounting plate 1, and a second annular groove 14 used for being matched with the annular bulge 10 is formed in the lower surface of the driven pulley 5; annular protrusion 12 that is equipped with on the band pulley mount pad 10 is used for guaranteeing that mounting panel 1, band pulley mount pad 10 and driven pulley 5 are concentric when rotatory with first annular groove 13 and second annular groove 14 cooperation respectively, and the user can adjust the operating speed of revolving stage according to the demand for the operation of revolving stage is comparatively stationarity and reliability.
Furthermore, the mounting plate 1, the bearing seat 2 and the inner ring of the slewing bearing 3 are fixedly connected into a whole through a plurality of bolts; the support plate 4 is fixedly connected with the outer ring of the slewing bearing 3 through a plurality of bolts; the driven belt wheel 5 is fixedly connected with a belt wheel mounting seat 10 through a plurality of bolts; the belt wheel mounting seat 10 is fixed on the upper surface of the mounting plate 1 through a plurality of bolts; the driving belt wheel 6 is fixedly connected with the supporting plate 4 through a plurality of bolts, and all the parts are connected through bolts, so that the connection strength is ensured.
Furthermore, a circular through hole is formed in the center of the supporting plate 4, a sliding ring 15 is arranged in the circular through hole, a sliding ring mounting seat 16 is sleeved on the outer side of the sliding ring 15, and the sliding ring mounting seat 16 is fixedly connected with the mounting plate 1 through a plurality of bolts.
In this embodiment, the slip ring 15 is an electrical slip ring, which is an electrical component responsible for communicating with the rotating body and transmitting energy and signals, and the slip ring 15 is installed in the center of the equipment and mainly comprises a rotating part and a static part.
Furthermore, an inductive switch 17 for determining the rotation starting point of the antenna is arranged on the supporting plate 4; a special induction bolt matched with the induction switch 17 is arranged in the plurality of bolts for fixedly connecting the driven belt wheel 5 with the belt wheel mounting seat 10; the antenna rotation starting point is determined by the cooperation of the special induction bolt and the induction switch 17.
Furthermore, the slewing bearing 3 is preferably a precise crossed cylindrical roller bearing, rollers adopted in the internal structure of the precise crossed cylindrical roller bearing are arranged in a mutually perpendicular and crossed manner at an angle of 90 degrees, and a spacing retainer or an isolation block is arranged between the rollers, so that the inclination of the rollers or the mutual grinding between the rollers can be prevented, and the increase of the rotating torque is effectively prevented; in addition, one side of the roller is not contacted or locked, and simultaneously, because the inner ring and the outer ring of the precise crossed cylindrical roller bearing are in a split structure, the gap can be adjusted, and even if pre-pressing is applied, high-precision rotary motion can be obtained; meanwhile, the device has the advantages of simple operation and installation and capability of bearing larger axial and radial loads.
Furthermore, the speed reducer 8 and the stepping motor 9 are both positioned above the support plate 4, the speed reducer 8 is fixed on the upper surface of the support plate 4, and an output shaft of the speed reducer 8 penetrates through the support plate 4 to be connected with a central rotating shaft of the driving belt wheel 6; the speed reducer 8 is preferably a planetary speed reducer which has the advantages of small volume, high transmission efficiency, wide speed reduction range and the like.
Further, the tension pulley 11 is mounted on a tension pulley mounting seat fixed on the upper surface of the mounting plate 1, and a user can adjust the tension of the belt within a certain range by installing the tension pulley, so that the device can operate smoothly.
The utility model discloses a theory of operation:
when the antenna is used, the antenna is fixed on a high-speed continuously adjustable mute rotary table, the antenna is driven to rotate by the high-speed continuously adjustable mute rotary table, and the rotation angle of the antenna is adjusted to ensure the intensity of a received signal; when the high-speed continuously adjustable mute rotary table is used, the mounting plate 1 is fixed at the tail end of a product, a part needing to rotate is fixed on the supporting plate 4, when the rotary table rotating speed needs to be adjusted, the stepping motor 9 is used for controlling the number of pulses sent in unit time to control the rotating speed of the motor, so that the rotating speed of the high-speed continuously adjustable mute rotary table is adjusted, the stepping motor 9 is adopted, the starting torque is large, and the rotary table with a large mass range can be driven; an output shaft of the stepping motor 9 is connected with an input shaft of a speed reducer 8, an output shaft of the speed reducer 8 is connected with a central rotating shaft of a driving pulley 6, the driving pulley 6 is fixedly connected with a support plate 4, the driving pulley 6 is connected with a driven pulley 5 through a synchronous belt 7, the driven pulley 5 is fixedly connected with a pulley mounting seat 10, and the pulley mounting seat 10 is fixed on the upper surface of the mounting plate 1, so that the driven pulley 5 is fixed;
can realize step motor 9 and rotate, step motor 9 rotates and drives driving pulley 6 and rotate, because driven pulley 5 is immovable, so driving pulley 6 rotates and drives hold-in range 7 and rotates, realize step motor 9 promptly and drive backup pad 4 and do the circumferential rotation, the circumferential rotation is done to backup pad 4, backup pad 4 is fixed with slew bearing 3's outer lane, 3 inner circles of slew bearing and bearing frame 2 fixed connection, bearing frame 2 and mounting panel 1 fixed connection, so when backup pad 4 is the circumferential rotation, slew bearing 3's outer lane rotates around 3 inner circles of immovable slew bearing.
In conclusion, the supporting plate 4 can be driven to rotate by the stepping motor 9, and the speed of the rotary table can be continuously adjusted;
the tensioning wheel 11 for adjusting the tightness of the synchronous belt 7 is arranged on the outer side of the synchronous belt 7, the tightness of the synchronous belt 7 is adjusted to a proper value by adjusting the tensioning degree of the tensioning wheel 11, when the tensioning wheel 11 is adjusted, a fixing screw of a tensioning wheel mounting seat is loosened and gradually adjusted, the adjusted tensioning wheel mounting seat is firmly fixed, a tightening bolt is utilized to abut against a contact surface, the tensioning wheel 11 is fixed, the tensioning wheel 11 can adjust the tensioning of the synchronous belt 7 within a certain range, and the high-speed continuously adjustable silent rotary table can smoothly run.
To sum up, the utility model provides a pair of but high-speed continuous adjustment silence revolving stage can be according to user's demand continuous adjustment rotational speed, and noise at work is little to the operation work of revolving stage is comparatively steady and reliable.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the embodiments, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.
Claims (8)
1. The high-speed continuously adjustable mute turntable is characterized by comprising a mounting plate (1), wherein a bearing seat (2) is fixed on the upper surface of the mounting plate (1), a rotary bearing (3) is arranged above the bearing seat (2), and the bearing seat (2) is fixedly connected with an inner ring of the rotary bearing (3); a supporting plate (4) is arranged above the slewing bearing (3), and the supporting plate (4) is fixedly connected with the outer ring of the slewing bearing (3); a driven belt wheel (5) is sleeved on the outer side of the rotary bearing (3), a belt wheel mounting seat (10) is arranged below the driven belt wheel (5), the driven belt wheel (5) is fixedly connected with the belt wheel mounting seat (10), and the belt wheel mounting seat (10) is fixed on the upper surface of the mounting plate (1); a driving belt wheel (6) connected with the driven belt wheel (5) through a synchronous belt (7) is arranged on one side of the driven belt wheel, and the driving belt wheel (6) is fixedly connected with the supporting plate (4); a tension wheel (11) for adjusting the tightness of the synchronous belt (7) is arranged on the outer side of the synchronous belt; the central rotating shaft of the driving belt wheel (6) is connected with the output shaft of the speed reducer (8), and the input shaft of the speed reducer (8) is connected with the stepping motor (9).
2. The high-speed continuously adjustable mute turntable as claimed in claim 1, wherein the pulley mounting seat (10) is fixed with an annular protrusion (12) concentric with the pulley mounting seat on both upper and lower surfaces thereof, the mounting plate (1) is provided with a first annular groove (13) on the upper surface for engaging with the annular protrusion (12), and the driven pulley (5) is provided with a second annular groove (14) on the lower surface for engaging with the annular protrusion (12).
3. A high-speed continuously adjustable mute turntable as claimed in claim 1, wherein the mounting plate (1), the bearing seat (2) and the inner ring of the slewing bearing (3) are fixedly connected into a whole by a plurality of bolts; the supporting plate (4) is fixedly connected with the outer ring of the slewing bearing (3) through a plurality of bolts; the driven belt wheel (5) is fixedly connected with a belt wheel mounting seat (10) through a plurality of bolts; the belt wheel mounting seat (10) is fixed on the upper surface of the mounting plate (1) through a plurality of bolts; the driving belt wheel (6) is fixedly connected with the supporting plate (4) through a plurality of bolts.
4. The high-speed continuously adjustable mute turntable as claimed in claim 1, wherein a circular through hole is formed in the center of the supporting plate (4), a slip ring (15) is arranged in the circular through hole, a slip ring mounting seat (16) is sleeved outside the slip ring (15), and the slip ring mounting seat (16) is fixedly connected with the mounting plate (1) through a plurality of bolts.
5. A high-speed continuously adjustable mute turntable according to claim 1, wherein said support plate (4) is provided with an inductive switch (17) for determining the start of rotation of the antenna; and a special induction bolt matched with the induction switch (17) is arranged in the plurality of bolts for fixedly connecting the driven belt wheel (5) with the belt wheel mounting seat (10).
6. A high-speed continuously adjustable mute turntable according to claim 1, wherein the speed reducer (8) and the stepping motor (9) are both located above the support plate (4), the speed reducer (8) is fixed on the upper surface of the support plate (4), and the output shaft of the speed reducer (8) passes through the support plate (4) and is connected with the central rotating shaft of the driving pulley (6).
7. A high speed continuously adjustable mute turret as claimed in claim 1, characterized in that said slew bearing (3) is a precision crossed cylindrical roller bearing.
8. A high speed continuously adjustable mute turret as claimed in claim 1, characterized in that said reducer (8) is a planetary reducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921125546.4U CN210566073U (en) | 2019-07-17 | 2019-07-17 | High-speed silence revolving stage of can adjusting in succession |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921125546.4U CN210566073U (en) | 2019-07-17 | 2019-07-17 | High-speed silence revolving stage of can adjusting in succession |
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| Publication Number | Publication Date |
|---|---|
| CN210566073U true CN210566073U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921125546.4U Active CN210566073U (en) | 2019-07-17 | 2019-07-17 | High-speed silence revolving stage of can adjusting in succession |
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| CN (1) | CN210566073U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332290A (en) * | 2019-07-17 | 2019-10-15 | 陕西天鼎无线技术股份有限公司 | A kind of mute turntable of high speed continuously adjustable |
| CN112421203A (en) * | 2020-11-09 | 2021-02-26 | 中国电子科技集团公司第二十九研究所 | Vehicle-mounted antenna rotary table with low main body profile |
-
2019
- 2019-07-17 CN CN201921125546.4U patent/CN210566073U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332290A (en) * | 2019-07-17 | 2019-10-15 | 陕西天鼎无线技术股份有限公司 | A kind of mute turntable of high speed continuously adjustable |
| CN112421203A (en) * | 2020-11-09 | 2021-02-26 | 中国电子科技集团公司第二十九研究所 | Vehicle-mounted antenna rotary table with low main body profile |
| CN112421203B (en) * | 2020-11-09 | 2022-04-12 | 中国电子科技集团公司第二十九研究所 | Vehicle-mounted antenna rotary table with low main body profile |
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