CN112421203A - Vehicle-mounted antenna rotary table with low main body profile - Google Patents
Vehicle-mounted antenna rotary table with low main body profile Download PDFInfo
- Publication number
- CN112421203A CN112421203A CN202011237155.9A CN202011237155A CN112421203A CN 112421203 A CN112421203 A CN 112421203A CN 202011237155 A CN202011237155 A CN 202011237155A CN 112421203 A CN112421203 A CN 112421203A
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- slewing bearing
- turntable
- cover
- protection cover
- fixedly connected
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
Abstract
The invention provides a vehicle-mounted antenna turntable with a low main body profile. The base plate changes the structural type and the stress mode of the base, and can be made to be shorter than the base of a common turntable, so that the mounting height of an antenna feed system is increased; the angle measuring sensor is integrated in the rotary combination, a data transmission chain of a common rotary table is omitted, the influence of the data transmission chain on the angle measuring precision can be overcome, and the precise detection of the rotary angle of the rotary table is realized; the invention is provided with the protective cover, particularly the rotary support protective cover adopts a special labyrinth sealing mode, can prevent rainwater and sundries from entering, and is convenient to check, maintain and operate.
Description
Technical Field
The invention relates to the field of antenna transmission devices, in particular to a vehicle-mounted antenna turntable with a low main body profile.
Background
Many antenna feeder systems in the fields of radar, communication and the like require an antenna transmission device for supporting an antenna feeder load and driving an antenna to rotate and point to a predetermined direction as required.
The antenna turntable generally comprises a motor, a reducer, a bearing, a collector ring, a data transmission chain, an angle sensor, a base, a turntable and other parts. The motor drives the speed reducer and then drives the antenna feeder load to rotate. The collector ring is used for transmitting various electric signals and electric energy between the rotating part and the fixed part. The data transmission chain is coupled with a rotating shaft of the rotary table through a gear pair, an output shaft of the data transmission chain is coupled with an angle sensor, and the angle sensor is used for detecting the rotating angle of the rotary table for reporting and controlling. The base is used as a support of the whole rotary table, a slewing bearing is arranged on the base, and a static ring of the slewing bearing is fixedly connected with the base; the rotary table is fixedly connected with a rotating ring of the slewing bearing, and an antenna feeder load is arranged on the rotary table. The installation of the rotary table on the installation base is connected through a circle of installation holes on the base by bolts. The prior art turntable has the following problems:
1) the base is generally provided with a circle of mounting holes at the periphery to be connected with a mounting base, the base is of a main stressed structure, and in order to meet the requirements of strength, mounting and the like, the base is of a cylindrical structure, the height or thickness of the base is large, and the mounting height of the antenna feeder system is small (in order to meet the requirement of no transfinite transportation);
2) the angle measuring sensor is coupled with the rotary table through a data transmission chain, and the error of the gear transmission chain can be introduced in angle detection;
3) the outer gear ring of the slewing bearing is exposed outside and is easy to corrode and pollute; or a protective cover is arranged, but the inspection and the maintenance are inconvenient.
Disclosure of Invention
The invention aims to provide a vehicle-mounted antenna turntable with a low main body profile so as to solve the problems of the conventional antenna turntable.
The invention provides a vehicle-mounted antenna turntable with a low main body profile, which comprises a bottom plate, a motor, a speed reducer, a slewing bearing with an external gear, a power pinion, a turntable, a rotary combination, a diaphragm coupling, a rotary combination mounting seat and a protective cover, wherein the power pinion is arranged on the turntable;
the bottom plate, the slewing bearing and the turntable are sequentially arranged from bottom to top; the outer ring of the slewing bearing is connected with a bottom plate bolt, the inner ring of the slewing bearing is connected with a turntable bolt, and the bolt joint is covered by a cover plate I; the turntable is provided with a first through hole and a second through hole; after the motor is connected with the speed reducer, the speed reducer is fixedly connected with the turntable in the first through hole, the power pinion is mounted on an output shaft of the speed reducer, and the power pinion is meshed with an outer gear of the slewing bearing; the rotating assembly comprises a fixed end and a movable end, the fixed end penetrates through the second through hole to be fixedly connected with the rotating assembly mounting seat, and meanwhile, the bottom of the rotating assembly mounting seat is fixedly connected with the bottom plate; the movable end is fixedly connected with the rotary table through a diaphragm coupler; the rotating combination integrates a collector ring, an optical joint, a water joint and an angle measuring sensor, wherein the angle measuring sensor and the rotating combination are coaxially mounted, a fixed ring of the angle measuring sensor is fixedly connected with a fixed end of the rotating combination, and a movable ring of the angle measuring sensor is fixedly connected with a movable end of the rotating combination;
the protective cover includes: a rotating combination protective cover for protecting the rotating combination; a motor protection cover for protecting the motor; and a slewing bearing protection cover for protecting the slewing bearing; the slewing bearing protection cover adopts a labyrinth sealing mode.
Furthermore, a fixed end flange is arranged on the fixed end, and the fixed end is fixedly connected with the rotary combined installation seat through the fixed end flange; the bottom plate is provided with a mounting hole of a rotary combined mounting seat, and the bottom of the rotary combined mounting seat is fixedly connected with the bottom plate by utilizing the mounting hole of the rotary combined mounting seat.
Furthermore, the diaphragm coupling is provided with a first connecting plate and a second connecting plate, the turntable is provided with a diaphragm coupling mounting hole, and the movable end is provided with a movable end flange; the diaphragm coupling is fixedly connected with the rotary table through the connecting plate and the mounting hole of the diaphragm coupling; the diaphragm coupling is fixedly connected with the movable end through a movable end flange and a second connecting plate.
Furthermore, the diaphragm coupling is also provided with a middle sleeve and an upper and a lower sets of diaphragms; the middle sleeve is connected between the first connecting plate and the second connecting plate, the lower group of membranes are arranged between the middle sleeve and the first connecting plate, and the upper group of membranes are arranged between the middle sleeve and the second connecting plate.
Furthermore, the diaphragm coupling is also provided with a plurality of connecting external members consisting of a lining, a first gasket, a second gasket, a third gasket, a bolt and a nut, and the connecting external members are used for connecting the diaphragm with the middle sleeve, the first connecting plate and the second connecting plate.
Furthermore, the connection points of the group of membranes below, the middle sleeve and the first connecting plate are respectively a plurality of position points which are circumferentially distributed and are arranged in a crossed manner; the connection points of the upper group of membranes, the middle sleeve and the connecting plate II are respectively a plurality of position points distributed circumferentially and are arranged in a crossed manner.
Furthermore, the slewing bearing protection cover comprises a slewing bearing static protection cover and a slewing bearing dynamic protection cover, the slewing bearing static protection cover is fixedly connected with the bottom plate, and the slewing bearing dynamic protection cover is fixedly connected with the rotary table; the rotary bearing static protection cover is provided with a lower labyrinth sealing surface, the rotary bearing movable protection cover is provided with an upper labyrinth sealing surface, and labyrinth sealing is formed between the rotary bearing static protection cover and the rotary bearing movable protection cover through the lower labyrinth sealing surface and the upper labyrinth sealing surface.
Furthermore, the rotary support static protection cover consists of a plurality of static cover flaps, and each static cover flap is connected with each other through bolts; the rotary support movable protective cover is composed of a plurality of movable cover flaps, and each movable cover flap is connected with each other through bolts.
Furthermore, an observation hole is formed in the side face of the rotary support static protection cover and is covered by a movable cover plate.
Furthermore, the bottom plate is provided with a main mounting hole, the outer ring of the slewing bearing is provided with a main mounting hole, the turntable is provided with a process hole, and the process hole corresponds to the main mounting hole on the outer ring of the slewing bearing and the main mounting hole on the bottom plate; when the outer ring of the slewing bearing and the bottom plate are fixed on the installation base of the rotary table together through the main installation hole and the main installation hole by bolts, the process hole is used for installing the bolts, and the process hole is covered by the cover plate II after the installation is finished.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the base plate replaces the base of a common turntable, and the base plate can be made to be shorter than the base of the common turntable due to the fact that the structural type and the stress mode of the base are changed, so that the height of the turntable is reduced, and the installation height of an antenna feeder system is increased.
2. The angle measuring sensor is integrated in the rotary combination, and a data transmission chain of a common rotary table is eliminated, so that errors caused by the data transmission chain are avoided; the non-concentric error of installation is compensated by a specially-made diaphragm coupling, so that the precise synchronization of the angle measuring sensor and the rotary table and the precise detection of the rotary angle of the rotary table are realized.
3. The protective cover is arranged, particularly, the slewing bearing protective cover adopts a special labyrinth sealing mode, so that rainwater and sundries can be prevented from entering, and the slewing bearing and the power pinion are protected from being influenced; when inspection and maintenance are needed, the rotary support protective cover can be detached into a plurality of pieces and taken off, so that inspection and maintenance work on the rotary support and the power pinion is facilitated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1a and 1b are schematic external perspective structural views of a vehicle-mounted antenna turntable with a low main body profile according to an embodiment of the present invention.
Fig. 2a and 2b are schematic external perspective views of a low-profile vehicle-mounted antenna turntable without a protective cover according to an embodiment of the present invention.
Fig. 3 is a cross-sectional view of a low body profile vehicle antenna turret of an embodiment of the present invention.
Fig. 4a is a bottom plan view of a low body profile vehicle antenna turret according to an embodiment of the invention.
Fig. 4b is a cross-sectional view a-a of fig. 4 a.
Fig. 5a is a schematic external perspective view of a pivoting support of a vehicle-mounted antenna turntable with a low main body profile according to an embodiment of the present invention.
Fig. 5b is a top plan view of a pivoting support for a low body profile vehicle antenna turret in accordance with an embodiment of the present invention.
Fig. 6a is a schematic external perspective view of a turntable of a vehicle-mounted antenna turntable with a low main body profile according to an embodiment of the present invention.
Fig. 6b is a top view of a turntable of a low body profile vehicle antenna turntable according to an embodiment of the present invention.
Fig. 6c is a cross-sectional view a-a of fig. 6 b.
Fig. 6d is a bottom view of the turntable of a low body profile vehicle antenna turntable in accordance with an embodiment of the present invention.
Fig. 7a is a schematic external perspective view of a diaphragm coupling of a vehicle-mounted antenna turntable with a low main body profile according to an embodiment of the present invention.
Figure 7b is a side view of a low body profile membrane coupling for a vehicle antenna turntable according to an embodiment of the present invention.
Fig. 7c is an enlarged view of portion I of fig. 7 b.
Fig. 8a is a schematic perspective view of the outer shape of the slewing bearing static protection cover of the vehicle-mounted antenna turntable with low main body profile according to the embodiment of the invention.
Figure 8b is a side view of a pivoting support static shield for a low body profile vehicle antenna turntable of an embodiment of the present invention.
Fig. 8c is a top view of a pivoting support static shield for a low body profile vehicle antenna turntable in accordance with an embodiment of the present invention.
Fig. 9a is a schematic perspective view of the outer shape of the rotary support movable protective cover of the vehicle-mounted antenna turntable with low main body profile according to the embodiment of the invention.
FIG. 9b is a top view of a pivoting shield for a low body profile vehicle antenna turntable according to an embodiment of the present invention
Fig. 9c is a cross-sectional view a-a of fig. 9 b.
Icon:
1. the device comprises a base plate, a motor, a speed reducer, a rotary bearing with external teeth, a power pinion, a rotary table, a rotary combination, a diaphragm coupling, a rotary combination mounting seat, a rotary bearing protection cover, a rotary combination protection cover, a motor protection cover, a cover plate II and a cover plate I, wherein the base plate is 2;
1-1 main mounting hole on the bottom plate, 1-2 bolt mounting holes on the bottom plate, 1-3 auxiliary mounting holes, 1-4 lower cover mounting holes and 1-5 rotary combined mounting seat mounting holes;
4-1, 4-2, 4-3, a main mounting hole on the outer ring of the slewing bearing, 4-4, a hoisting hole on the outer ring of the slewing bearing, 4-5, a bolt mounting hole on the outer ring of the slewing bearing, 4-6, a bolt mounting hole on the inner ring of the slewing bearing, 4-7, a hoisting hole on the inner ring of the slewing bearing, and 4-8, outer gear teeth of the slewing bearing;
6-1, a bolt mounting hole on the turntable, 6-2, a reducer mounting hole, 6-3, a fabrication hole, 6-4, an upper cover mounting hole, 6-5, a diaphragm coupler mounting hole and 6-6, a rotary combined protective cover mounting hole;
7-1, rotating the combined fixed end flange and 7-2, rotating the combined movable end flange;
8-1, 8-2, 8-3, 8-4, 8-5, 8-6, 8-7, 8-8, 3, 8-9, 8-10 and 8-10;
10-1 parts of static cover flaps, 10-2 parts of lower labyrinth sealing surfaces and 10-3 parts of observation holes;
11-1. moving cover flap, 11-2. upper labyrinth sealing surface.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1a, fig. 1b, fig. 2a, fig. 2b, and fig. 3, the present embodiment provides a vehicle-mounted antenna turntable with a low body profile, which includes a bottom plate 1, a motor 2, a speed reducer 3, a pivoting support 4 with external gears 4-8, a power pinion 5, a turntable 6, a rotation assembly 7, a diaphragm coupling 8, a rotation assembly mounting seat 9, and a protection cover 10;
referring to fig. 1a, 1b, 2a and 2b, the present embodiment uses two sets of motors 2 and reducers 3 to drive the load.
Referring to fig. 3, the base plate 1, the slewing bearing 4 and the turntable 6 are sequentially arranged from bottom to top.
An outer ring 4-1 of the slewing bearing 4 is connected with the bottom plate 1 through a bolt; referring to fig. 5b, the outer ring 4-1 of the slewing bearing 4 is provided with bolt mounting holes 4-5, referring to fig. 4a, the base plate 1 is provided with bolt mounting holes 1-2 corresponding to the bolt mounting holes 4-5, the outer ring 4-1 of the slewing bearing 4 is bolted with the base plate 1 through the bolt mounting holes 4-5 and the bolt mounting holes 1-2 by bolts, in the embodiment, 8 groups of bolt mounting holes are used for bolting the outer ring of the slewing bearing 4 with the base plate 1, and the number of actual bolt mounting holes can be set according to requirements.
The inner ring 4-2 of the slewing bearing 4 is in bolted connection with the turntable 6, and the bolted connection is covered by a cover plate I15; referring to fig. 5b, the inner ring 4-2 of the slewing bearing 4 is provided with bolt mounting holes 4-6, referring to fig. 6b and fig. 6d, the turntable 6 is provided with bolt mounting holes 6-1, bolts are adopted to bolt the inner ring 4-2 of the slewing bearing 4 and the turntable 6 through the bolt mounting holes 4-6 and the bolt mounting holes 6-1, in the embodiment, 32 groups of bolt mounting holes are used for the bolt connection of the inner ring 4-2 of the slewing bearing 4 and the turntable 6, and the number of the actual bolt mounting holes can be set according to requirements. Referring to fig. 1a, 1b, 2a and 2b, the surface of the bolt mounting hole 6-1 is covered with a cover plate one 15.
The turntable 6 is provided with a first via hole and a second via hole, the first via hole is used for installing the motor 2 and the speed reducer 3, and the second via hole is used for installing the rotating combination 7.
Referring to fig. 3, after the motor 2 is connected with the speed reducer 3, the speed reducer 3 is fixedly connected with the turntable 6 in the first through hole, the power pinion 5 is mounted on the output shaft of the speed reducer 3, and the power pinion 5 is meshed with the external gears 4-8 of the slewing bearing 4; referring to fig. 6b, 6c and 6d, the bottom of an inner wall of the through hole on the turntable 6 is provided with a speed reducer mounting hole 6-2, and the speed reducer 3 is fixedly connected with the turntable 6 by using the speed reducer mounting hole 6-2.
Referring to fig. 3, the rotating assembly 7 includes a fixed end and a movable end, the fixed end passes through the second via hole and is fixedly connected with the rotating assembly mounting seat 9, and simultaneously, the bottom of the rotating assembly mounting seat 9 is fixedly connected with the bottom plate 1. Referring to fig. 3, the fixed end is provided with a fixed end flange 7-1, and the fixed end is fixedly connected with the rotary combined installation seat 9 through the fixed end flange 7-1; referring to fig. 4a, the bottom plate 1 is provided with mounting holes 1-5 of the rotating assembly mounting base, and the bottom of the rotating assembly mounting base 9 is fixedly connected with the bottom plate 1 by using the mounting holes 1-5 of the rotating assembly mounting base. The movable end is fixedly connected with the rotary table 6 through a diaphragm coupling 8, referring to fig. 8, a first connecting plate 8-1 and a second connecting plate 8-2 are arranged on the diaphragm coupling 8, referring to fig. 6c, a diaphragm coupling mounting hole 6-5 is arranged on the rotary table 6, referring to fig. 3, and a movable end flange 7-2 is arranged on the movable end; the diaphragm coupler 8 is fixedly connected with the rotary table 6 through a connecting plate 8-1 and a diaphragm coupler mounting hole 6-5; the diaphragm coupling 8 is fixedly connected with the movable end through a movable end flange 7-2 and a connecting plate II 8-2.
The rotating combination 7 integrates a collector ring, an optical joint, a water joint and an angle measuring sensor, wherein the angle measuring sensor is coaxially mounted with the rotating combination 7, a fixed ring of the angle measuring sensor is fixedly connected with a fixed end of the rotating combination 7, and a movable ring of the angle measuring sensor is fixedly connected with a movable end of the rotating combination 7.
The protective cover includes:
a rotary combination protection cover 12 for protecting the rotary combination 7; referring to fig. 6c, a rotating combined protective cover mounting hole 6-6 is formed around the second through hole on the turntable 6, and referring to fig. 1a, 1b and 3, a rotating combined protective cover 12 is mounted around a rotating combination 7 on the upper part of the turntable 6 by using the rotating combined protective cover mounting hole 6-6 to protect the rotating combination 7;
a motor protective cover 13 for protecting the motor 2; referring to fig. 6d, a motor protective cover mounting buckle structure is arranged around the first via hole on the turntable 6, and referring to fig. 1a, 1b and 3, a motor protective cover 13 is mounted around the motor 2 on the upper part of the turntable 6 by using the motor protective cover mounting buckle structure to protect the motor 2;
and a slewing bearing protection cover for protecting slewing bearing 4; the slewing bearing protective cover adopts a labyrinth sealing mode; referring to fig. 3, the slewing bearing protection cover comprises a slewing bearing static protection cover 10 and a slewing bearing movable protection cover 11, the slewing bearing static protection cover 10 is fixedly connected with the bottom plate 1, and the slewing bearing movable protection cover 11 is fixedly connected with the rotary table 6 to form labyrinth seal. Referring to fig. 4a, the bottom plate 1 is provided with lower cover mounting holes 1-4, and the slewing bearing static protection cover 10 is fixedly connected with the bottom plate 1 through the lower cover mounting holes 1-4. Referring to fig. 6d, the turntable 6 is provided with an upper cover mounting hole 6-4, and the rotary support movable protection cover 11 is fixedly connected with the turntable 6 by using the upper cover mounting hole 6-4. Referring to fig. 8b, the static rotary bearing protection cover 10 has a lower labyrinth sealing surface 10-2, referring to fig. 9b, the movable rotary bearing protection cover 11 has an upper labyrinth sealing surface 11-2, referring to fig. 3, a labyrinth seal is formed between the static rotary bearing protection cover 10 and the movable rotary bearing protection cover 11 through the lower labyrinth sealing surface 10-2 and the upper labyrinth sealing surface 11-2, and rainwater and impurities can be prevented from entering.
Referring to fig. 4a and 4b, the bottom plate 1 is a plate-shaped structure, and has a main mounting hole 1-1 for turntable mounting for main bearing and an auxiliary mounting hole 1-3 for turntable mounting for auxiliary, in addition to the bolt mounting hole 1-2, the lower cover mounting hole 1-4 and the rotating combination mounting seat mounting hole 1-5.
Referring to fig. 5a and 5b, besides the bolt mounting holes 4-5, the outer ring 4-1 of the slewing bearing 4 also has a main mounting hole 4-3 for mounting the turntable and a hoisting hole 4-4 for hoisting the slewing bearing; besides the bolt mounting holes 4-6, the inner ring 4-2 of the slewing bearing also has hoisting holes 4-7 for hoisting the slewing bearing.
Referring to fig. 6a, 6b, 6c and 6d, the turntable 6 is further provided with a process hole 6-3 in addition to the bolt mounting hole 6-1, the reducer mounting hole 6-2, the upper cover mounting hole 6-4, the diaphragm coupler mounting hole 6-5 and the rotating combined protective cover mounting hole 6-6, wherein the process hole 6-3 corresponds to the main mounting hole 4-3 on the outer ring 4-1 of the slewing bearing 4 and the main mounting hole 1-1 on the base plate 1; when bolts are used for fixing the outer ring 4-1 of the slewing bearing 4 and the bottom plate 1 on the installation base of the rotary table together through the main installation holes 4-3 and the main installation holes 1-1, the process holes 6-3 are used for installing the bolts, and the process holes 6-3 are covered by the second cover plate 14 after the installation is finished. Referring to fig. 6b and 6d, in the embodiment, two process holes 6-3 with symmetrical positions are adopted, one pair of bolts can be installed each time, and then the next pair of bolts are installed after rotating for a certain angle, so that it can be known that the inner diameter of the process hole 6-3 is larger than the outer diameter of the adopted bolt so as to be convenient for installation, and after all the bolts are installed through multiple rotations, the process hole 6-3 is covered by a second cover plate 14, so that on one hand, the installation efficiency can be improved compared with the case that one process hole 6-3 is adopted, on the other hand, the use of the second cover plate 14 is reduced compared with more process holes 6-3, and the sealing performance is improved.
Referring to fig. 7a, 7b and 7c, the diaphragm coupling 8 comprises an intermediate sleeve 8-3 and two sets of upper and lower diaphragms 8-4 in addition to the connecting plate one 8-1 and the connecting plate two 8-2; the middle sleeve 8-3 is connected between the connecting plate I8-1 and the connecting plate II 8-2, the lower group of membranes 8-4 is arranged between the middle sleeve 8-3 and the connecting plate I8-1, and the upper group of membranes 8-4 is arranged between the middle sleeve 8-3 and the connecting plate II 8-2. Each set of said membranes 8-4 is made up of several thin steel plates, which can be elastically deformed by bending. The diaphragm coupling 8 further comprises a plurality of sets (16 sets in the embodiment) of connecting kits consisting of a lining 8-5, a first gasket 8-6, a second gasket 8-7, a third gasket 8-8, a bolt 8-9 and a nut 8-10, and the connecting kits are used for connecting the diaphragm 8-4 with the middle sleeve 8-3, the first connecting plate 8-1 and the second connecting plate 8-2. Furthermore, the connection points of the lower group of membranes 8-4, the middle sleeve 8-3 and the connecting plate I8-1 are respectively a plurality of (4 in the embodiment) position points distributed circumferentially and are arranged in a cross way; the connection points of the upper set of diaphragms 8-4 with the intermediate sleeve 8-3 and the connecting plate two 8-2 are also a plurality of (4 in this embodiment) circumferentially distributed points and are arranged crosswise.
Referring to fig. 8a, 8b and 8c, the slewing bearing static protection cover 10 is composed of a plurality of static cover flaps 10-1 (4 flaps in the embodiment), and each static cover flap is connected with each other through bolts; referring to fig. 9a, 9b and 9c, the rotary support movable protection cover 11 is composed of a plurality of movable cover flaps 11-1 (4 flaps in the embodiment), and each movable cover flap 11-1 is also connected with each other by bolts; as described above, the slewing bearing static protection cover 10 is fixed on the bottom plate 1, and the slewing bearing dynamic protection cover 11 is fixed on the turntable 6; when the slewing bearing 4 and the power pinion 5 need to be inspected and maintained, bolts connected between the lobes in the slewing bearing static protection cover 10 and the slewing bearing movable protection cover 11 can be loosened, and the bolts are divided into a plurality of lobes (4 lobes) to be taken down. Referring to fig. 8b, an observation hole 10-3 is formed in the side surface of the static protection cover 10 of the slewing bearing, the observation hole 10-3 is covered by a movable cover plate, and the movable cover plate is opened when the inside condition needs to be observed.
The working principle of the vehicle-mounted antenna turntable with the low main body profile of the embodiment is as follows: when the motor 2 rotates, the speed reducer 3 and a power pinion 5 on an output shaft of the speed reducer are driven to rotate, and then an outer ring 4-1 of the slewing bearing 3 is driven to rotate, so that the turntable 6 and an antenna feeder load arranged on the turntable 6 are driven to rotate, meanwhile, the turntable 6 rotates and also drives a diaphragm coupling, so that a movable end of a rotating combination and a movable ring of an angle measuring sensor are driven to rotate, and the angle measuring sensor can measure the rotating angle of the turntable and the antenna feeder load. Wherein:
(1) the base plate replaces the base of a common turntable, and the base plate can be made to be shorter than the base of the common turntable due to the fact that the structural type and the stress mode of the base are changed, so that the height of the turntable is reduced, and the installation height of an antenna feeder system is increased.
(2) The angle measuring sensor is integrated in the rotary combination, and a data transmission chain of a common rotary table is eliminated, so that errors caused by the data transmission chain are avoided; the non-concentric error of installation is compensated by a specially-made diaphragm coupling, so that the precise synchronization of the angle measuring sensor and the rotary table and the precise detection of the rotary angle of the rotary table are realized.
(3) The protective cover is arranged, particularly, the slewing bearing protective cover adopts a special labyrinth sealing mode, so that rainwater and sundries can be prevented from entering, and the slewing bearing and the power pinion are protected from being influenced; when inspection and maintenance are needed, the rotary support protective cover can be detached into a plurality of pieces and taken off, so that inspection and maintenance work on the rotary support and the power pinion is facilitated.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A vehicle-mounted antenna turntable with a low main body profile is characterized by comprising a bottom plate (1), a motor (2), a speed reducer (3), a slewing bearing (4) with external gears (4-8), a power pinion (5), a turntable (6), a rotating assembly (7), a diaphragm coupling (8), a rotating assembly mounting seat (9) and a protective cover (10);
the bottom plate (1), the slewing bearing (4) and the turntable (6) are arranged from bottom to top in sequence; an outer ring (4-1) of the slewing bearing (4) is in bolted connection with the bottom plate (1), an inner ring (4-2) of the slewing bearing (4) is in bolted connection with the turntable (6), and the bolted connection position is covered by a cover plate I (15); the turntable (6) is provided with a first through hole and a second through hole; after the motor (2) is connected with the speed reducer (3), the speed reducer (3) is fixedly connected with the turntable (6) in the first through hole, the power pinion (5) is mounted on an output shaft of the speed reducer (3), and the power pinion (5) is meshed with the outer gear (4-8) of the slewing bearing (4); the rotating assembly (7) comprises a fixed end and a movable end, the fixed end penetrates through the second through hole to be fixedly connected with the rotating assembly mounting seat (9), and meanwhile the bottom of the rotating assembly mounting seat (9) is fixedly connected with the bottom plate (1); the movable end is fixedly connected with the rotary table (6) through a diaphragm coupling (8); the rotating combination (7) integrates a collector ring, an optical joint, a water joint and an angle measuring sensor, wherein the angle measuring sensor is coaxially mounted with the rotating combination (7), a fixed ring of the angle measuring sensor is fixedly connected with a fixed end of the rotating combination (7), and a movable ring of the angle measuring sensor is fixedly connected with a movable end of the rotating combination (7);
the protective cover includes: a rotating combination protection cover (12) for protecting the rotating combination (7); a motor protection cover (13) for protecting the motor (2); and slewing bearing protection covers (10, 11) for protecting the slewing bearing (4); the slewing bearing protection covers (10 and 11) adopt a labyrinth sealing mode.
2. The low-body-profile vehicle-mounted antenna turntable according to claim 1, wherein the fixed end is provided with a fixed end flange (7-1), and the fixed end is fixedly connected with the rotating combination mounting seat (9) through the fixed end flange (7-1); the bottom plate (1) is provided with mounting holes (1-5) of a rotating combined mounting seat, and the bottom of the rotating combined mounting seat (9) is fixedly connected with the bottom plate (1) through the mounting holes (1-5) of the rotating combined mounting seat.
3. The low body profile vehicle antenna turntable of claim 1, wherein the diaphragm coupling (8) is provided with a first connecting plate (8-1) and a second connecting plate (8-2), the turntable (6) is provided with a diaphragm coupling mounting hole (6-5), and the movable end is provided with a movable end flange (7-2); the diaphragm coupling (8) is fixedly connected with the rotary table (6) through a connecting plate (8-1) and a diaphragm coupling mounting hole (6-5); the diaphragm coupling (8) is fixedly connected with the movable end through a movable end flange (7-2) and a second connecting plate (8-2).
4. The low body profile vehicle antenna turntable according to claim 3, wherein the diaphragm coupling (8) further comprises an intermediate sleeve (8-3) and two sets of upper and lower diaphragms (8-4); the middle sleeve (8-3) is connected between the first connecting plate (8-1) and the second connecting plate (8-2), the lower group of membranes (8-4) is arranged between the middle sleeve (8-3) and the first connecting plate (8-1), and the upper group of membranes (8-4) is arranged between the middle sleeve (8-3) and the second connecting plate (8-2).
5. The low-body-profile vehicle-mounted antenna turntable according to claim 4, wherein the diaphragm coupler (8) is further provided with a plurality of connecting sleeve sets consisting of a lining (8-5), a first gasket (8-6), a second gasket (8-7), a third gasket (8-8), a bolt (8-9) and a nut (8-10), and the connecting sleeve sets are used for connecting the diaphragm (8-4) with the middle sleeve (8-3), the first connecting plate (8-1) and the second connecting plate (8-2).
6. The low body profile vehicle antenna turntable according to claim 4 or 5, wherein the connection points of the lower set of diaphragms (8-4) with the intermediate sleeve (8-3) and the first connecting plate (8-1) are respectively a plurality of position points distributed circumferentially and are arranged in a cross manner; the connection points of the upper group of membranes (8-4), the middle sleeve (8-3) and the connecting plate II (8-2) are a plurality of position points distributed circumferentially and are arranged in a crossed manner.
7. The low body profile vehicle antenna turntable according to claim 1, wherein the slewing bearing protection cover comprises a slewing bearing static protection cover (10) and a slewing bearing dynamic protection cover (11), the slewing bearing static protection cover (10) is fixedly connected with the bottom plate (1), and the slewing bearing dynamic protection cover (11) is fixedly connected with the turntable (6); the rotary support static protection cover (10) is provided with a lower labyrinth sealing surface (10-2), the rotary support movable protection cover (11) is provided with an upper labyrinth sealing surface (11-2), and labyrinth sealing is formed between the rotary support static protection cover (10) and the rotary support movable protection cover (11) through the lower labyrinth sealing surface (10-2) and the upper labyrinth sealing surface (11-2).
8. The low-body-profile vehicle-mounted antenna turntable according to claim 7, wherein the slewing bearing static protection cover (10) is composed of a plurality of static cover lobes (10-1), and each static cover lobe (10-1) is connected with each other through a bolt; the rotary support movable protection cover (11) is composed of a plurality of movable cover flaps (11-1), and each movable cover flap (11-1) is connected with each other through bolts.
9. The low body profile vehicle antenna turntable according to claim 7 or 8, wherein the side of the slewing bearing static protection cover (10) is provided with a viewing hole (10-3), and the viewing hole (10-3) is covered by a movable cover plate.
10. The low-body-profile vehicle-mounted antenna turntable according to claim 1, wherein the base plate (1) is provided with a main mounting hole (1-1), the outer ring (4-1) of the slewing bearing (4) is provided with a main mounting hole (4-3), the turntable is provided with a process hole (6-3), and the process hole (6-3) corresponds to the main mounting hole (4-3) on the outer ring (4-1) of the slewing bearing (4) and the main mounting hole (1-1) on the base plate (1); when bolts are used for fixing the outer ring (4-1) of the slewing bearing (4) and the bottom plate (1) on the installation base of the rotary table together through the main installation holes (4-3) and the main installation holes (1-1), the process holes (6-3) are used for installing the bolts, and the process holes (6-3) are covered by the second cover plate (14) after installation is completed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011237155.9A CN112421203B (en) | 2020-11-09 | 2020-11-09 | Vehicle-mounted antenna rotary table with low main body profile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011237155.9A CN112421203B (en) | 2020-11-09 | 2020-11-09 | Vehicle-mounted antenna rotary table with low main body profile |
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| CN112421203B CN112421203B (en) | 2022-04-12 |
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| CN112421203B (en) | 2022-04-12 |
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