CN114976639A - Portable antenna elevation angle adjusting mechanism - Google Patents
Portable antenna elevation angle adjusting mechanism Download PDFInfo
- Publication number
- CN114976639A CN114976639A CN202210595241.XA CN202210595241A CN114976639A CN 114976639 A CN114976639 A CN 114976639A CN 202210595241 A CN202210595241 A CN 202210595241A CN 114976639 A CN114976639 A CN 114976639A
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- pitching
- back frame
- shaft
- fixedly connected
- adjustment mechanism
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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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
- H01Q15/16—Reflecting surfaces; Equivalent structures curved in two dimensions, e.g. paraboloidal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention discloses a portable antenna elevation angle adjusting mechanism, belonging to the technical field of antenna angle adjustment, comprising: reflector, angle adjustment mechanism, position carousel, angle adjustment mechanism includes: every single move axle, separation and reunion handle, bearing and every single move turbine, every single move axle inside is the cavity structure, the inner circle of bearing is fixed to be cup jointed on the every single move axle, the inner circle of every single move turbine is fixed to be cup jointed on the outer lane of bearing, the separation and reunion includes: the cylindrical seat and the annular disc fixedly sleeved on the cylindrical seat are fixedly provided with a plurality of teeth which are distributed along the axial direction on one side surface of the annular disc, and a pair of bulges with opposite positions are arranged on the inner ring of the annular disc. The invention has simple and easy operation by the arranged angle adjusting mechanism, and the pitching angle can be adjusted by only rotating the knob by a single person.
Description
Technical Field
The invention relates to the technical field of antenna angle adjustment, in particular to a portable antenna elevation angle adjusting mechanism.
Background
The antenna is communication equipment used outdoors, and is used in working occasions, such as rescue and relief areas, operation areas, deserts, fields and the like, and the focal point of the antenna surface is always kept aligned with the phase center of the feed source when the antenna is used.
The manual portable antenna of multifrequency mostly has the every single move turned angle in the current market and adjusts inconveniently, can not carry out quick adjustment and fine setting, and secondly, every single move locking mechanism operates inconveniently.
In view of this, a mechanism for conveniently adjusting the elevation angle of an antenna is designed.
Disclosure of Invention
The invention aims at the problems and provides a portable antenna elevation angle adjusting mechanism.
The technical scheme adopted by the invention is as follows: a portable antenna elevation angle adjustment mechanism, comprising: a reflector, an angle adjusting mechanism and an azimuth turntable,
the angle adjustment mechanism includes: a pitch shaft, a clutch handle, a bearing and a pitch turbine,
the interior of the pitching shaft is of a cavity structure,
the inner ring of the bearing is fixedly sleeved on the pitching shaft,
the inner ring of the pitching turbine is fixedly sleeved on the outer ring of the bearing,
the clutch includes: a cylindrical seat and an annular disc fixedly sleeved on the cylindrical seat,
a plurality of teeth which are distributed along the axial direction are fixedly arranged on one side surface of the annular disc,
a pair of opposite bulges are arranged on the inner ring of the annular disc,
wherein the cylindrical seat is sleeved in the cavity, a spring is embedded between one end of the cylindrical seat and the bottom of the cavity,
the clutch handle is sleeved in the cavity, one end of the clutch handle is in contact with the other end of the cylindrical seat, the other end of the clutch handle extends out of the cavity,
the teeth are meshed with the pitching turbine, and a through groove corresponding to the position of the bulge is formed in the pitching shaft;
the reflector is fixedly connected to the outer wall of the pitching shaft through a back frame,
one end of the pitching shaft is sleeved with an end cover for protecting the angle adjusting mechanism,
the other end of the pitching shaft is sleeved with a pitching shaft locking bracket,
wherein the bottom of the end cover is fixedly connected with an angle fine adjustment mechanism, the lower end of the angle fine adjustment mechanism is fixedly connected with the upper end face of the azimuth turntable,
the lower end of the pitching shaft locking support is fixedly connected with the upper end face of the azimuth turntable, and the pitching shaft can rotate on the pitching shaft locking support when the angle fine adjustment mechanism is adjusted.
Furthermore, the bottom of the end cover is fixedly connected with an angle fine adjustment mechanism, the lower end of the angle fine adjustment mechanism is fixedly connected with the upper end face of the azimuth turntable,
the lower end of the pitching shaft locking support is fixedly connected with the upper end face of the azimuth turntable, and the pitching shaft can rotate on the pitching shaft locking support when the angle fine adjustment mechanism is adjusted,
the angle fine-tuning mechanism includes: a box body and a pitching worm, wherein the box body is provided with a pitching worm,
the box body is fixedly connected with the upper end surface of the azimuth turntable,
the pitching worm is arranged in the box body and meshed with the pitching turbine,
wherein one end of the pitching worm is connected with the inner wall of the box body through a bearing, the other end of the pitching worm penetrates through the side wall of the box body, the tail end of the extending end is fixedly connected with a first knob,
and a bearing is arranged at the contact position of the extending part of the pitching worm and the box body.
Furthermore, a pitching scale ring is sleeved on the pitching shaft,
the pitching scale ring is close to the pitching shaft locking support, and the pitching scale ring is fixedly sleeved on the pitching shaft.
Still further, the pitch shaft locking bracket includes: a base and a locking sleeve, wherein the base is provided with a locking sleeve,
the locking is in a hoop structure, the locking sleeve is sleeved on the pitching shaft,
threaded holes are arranged on the joint flange plates on the two sides of the hoop, a locking handle screw rod is screwed between the threaded holes,
a second knob is arranged at one end of the locking handle screw rod, and when the second knob is rotated, the locking handle screw rod can lock the hoop,
one of the joint flanges on both sides of the clamp is longer than the other joint flange,
wherein, the lower end of the joint flange plate with longer length is fixedly connected with the upper end of the base,
the lower end of the base is fixedly connected with the upper end face of the azimuth turntable.
Still further, the locking handle screw includes: a first screw and a second screw,
the first screw has a smaller diameter than the second screw,
wherein the first screw rod is screwed in the threaded hole, one end of the first screw rod is fixedly connected with one end of the second screw rod,
the other end of the second screw rod is fixedly connected with the second knob.
Furthermore, the locking sleeve is provided with a scale mark groove.
Still further, the back frame includes: a left back frame, a right back frame and a back frame connecting plate,
the left back frame and the right back frame are arranged on the pitching shaft in parallel,
the upper ends of the left back frame and the right back frame are fixedly connected through the back frame connecting plate,
the lower ends of the left back frame and the right back frame are fixedly sleeved on the pitching shaft,
wherein, the reflector is fixedly connected on the left back frame and the right back frame.
Furthermore, the left back frame and the right back frame are provided with bosses for supporting the reflector.
Furthermore, the connecting ends of the left back frame and the right back frame and the pitching shaft are in a hoop structure,
and the hoop is fastened and connected on the pitch shaft through a screw.
Furthermore, a rubber pad is arranged on the inner wall of the hoop.
The invention has the beneficial effects that:
1. by the aid of the angle adjusting mechanism, the antenna surface can be quickly unfolded to an approximate position needing to work in the collection state of the offset-feed parabolic antenna, pitching angle fine adjustment is further performed, and the pitching angle can be further locked after the angle is adjusted.
2. The whole angle adjusting process is simple and easy to operate, and the pitching angle can be adjusted by one person only by rotating the hand wheel.
3. The locking support can eliminate the side clearance of the mechanical mechanism, and has high precision and good stability.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic side view of an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional structure of an embodiment of the present invention;
FIG. 4 is a schematic view of a clutch handle configuration according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a clutched configuration of an embodiment of the present invention;
FIG. 6 is a schematic view of a pitch turbine configuration of an embodiment of the present invention;
FIG. 7 is a schematic view of a pitch shaft locking bracket configuration of an embodiment of the present invention;
FIG. 8 is a schematic view of a bearing connection configuration of an embodiment of the present invention;
FIG. 9 is a schematic view of a locking handle screw configuration of an embodiment of the present invention;
fig. 10 is a schematic structural view of a back frame according to an embodiment of the present invention.
Reference numerals:
the device comprises a reflector 1, an azimuth turntable 2, a pitch shaft 3, a clutch 4, a cylindrical seat 41, an annular disc 42, a protrusion 43, a clutch handle 5, a bearing 6, a pitch turbine 7, a spring 8, a pitch shaft locking support 9, a base 91, a locking sleeve 92, a box 10, a pitch worm 11, a first knob 12, a locking handle screw 13, a first screw 131, a second screw 132, a second knob 14, a left back frame 15, a right back frame 16 and a back frame connecting plate 17.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 5, as shown in fig. 1 to 5, a portable antenna elevation angle adjustment mechanism includes: a reflector 1, an angle adjusting mechanism, an azimuth turntable 2,
the angle adjustment mechanism includes: a pitch shaft 3, a clutch 4, a clutch handle 5, a bearing 6 and a pitch turbine 7,
the pitch shaft 3 is internally in a cavity structure,
the inner ring of the bearing 6 is fixedly sleeved on the pitching shaft 3,
the inner ring of the pitching turbine 7 is fixedly sleeved on the outer ring of the bearing 3,
the clutch 4 includes: a cylindrical seat 41 and an annular disc 42 fixedly sleeved on the cylindrical seat,
a plurality of teeth distributed along the axial direction are fixedly arranged on one side surface of the annular disc 42,
a pair of oppositely positioned protrusions 43 is provided on the inner circumference of the annular disc 42,
wherein the cylindrical seat 41 is sleeved in the cavity, a spring 8 is embedded between one end of the cylindrical seat 41 and the bottom of the cavity,
the clutch handle 5 is sleeved in the cavity, one end of the clutch handle 5 is in contact with the other end of the cylindrical seat 41, the other end of the clutch handle 5 extends out of the cavity,
the teeth are meshed with the pitching turbine 7, and a through groove corresponding to the position of the bulge 43 is formed in the pitching shaft 3;
the reflector 1 is fixedly connected to the outer wall of the pitching shaft 3 through a back frame,
one end of the pitching shaft 3 is sleeved with an end cover for protecting the angle adjusting mechanism,
the other end of the pitching shaft 3 is sleeved with a pitching shaft locking bracket 9,
wherein the bottom of the end cover is fixedly connected with an angle fine adjustment mechanism, the lower end of the angle fine adjustment mechanism is fixedly connected with the upper end surface of the azimuth turntable 2,
the lower end of the pitching shaft locking support 9 is fixedly connected with the upper end face of the azimuth turntable, and the pitching shaft 3 can rotate on the pitching shaft locking support 9 when the angle fine adjustment mechanism is adjusted.
The invention has the main advantages that firstly, the arrangement of the angle adjusting mechanism can realize the rapid adjustment of the pitching angle of the reflector by a single person; secondly, the angle fine adjustment mechanism is arranged, so that the fine adjustment of the angle of the reflector can be realized, and the angle can be accurately controlled; thirdly, the arrangement of the pitching shaft locking support can eliminate the mechanical mechanism side gap generated by the action of wind on the reflector, so that the stability of the whole adjusting mechanism is better.
The angle adjusting process comprises the following steps: the clutch handle is pressed to drive the clutch to slide along the pitching shaft, and meanwhile, the spring is compressed, so that the teeth are separated from the pitching turbine;
then, the reflector rotates to drive the pitching shaft to rotate for a certain angle, then the clutch handle is loosened, the clutch returns to the original position under the action of the spring, the teeth are meshed with the pitching turbine again, the position of the pitching shaft is limited, and the reflector does not rotate any more, so that the angle adjustment of the reflector is completed.
In addition, the pitch turbine structure is: the side face of the outer ring of the annular round cake structure is provided with a plurality of transmission teeth, wherein one end face is provided with angle adjusting teeth meshed with the teeth on the annular round disk, and the other end face is provided with an annular sleeve embedded with a bearing.
Wherein, in order to protect the pitch turbine, set up the end cover in its outside, the end cover includes: the left end cover and the right end cover are respectively positioned on two sides of the pitching turbine and are fixedly connected with the pitching turbine;
in order to better connect the left end cover on the pitching shaft, a supporting copper sleeve is arranged between the left end cover and the pitching shaft for connection, and a sealing ring is arranged between the supporting copper sleeve and the left end cover.
A pitching shaft end cover sleeved at the tail end of the pitching shaft is arranged between the right end cover and the pitching shaft, the pitching shaft end cover is of a bottle cap structure, a through hole is formed in the pitching shaft end cover, one end of the clutch handle penetrates through the through hole, and the other end of the clutch handle stretches into the through hole.
The clutch handle is equivalent to a button and has the structure that: two hollow cylinder barrels with different diameters are connected into a whole, the cross section of each hollow cylinder barrel is in a T shape, wherein the large-diameter cylinder barrel is positioned in the cavity, the small-diameter cylinder barrel penetrates through the through hole in the end cover of the pitch shaft and penetrates through the end cover, and when the clutch handle is pressed, the spring can be driven to compress.
The azimuth turntable is equivalent to the function of a supporting frame, is mainly used for supporting various mechanisms, and in order to increase the overall stability, the position of the azimuth turntable is fixed by arranging a through positioning hole on the azimuth turntable and then screwing a fastening screw into the positioning hole to be connected with the ground or other components.
The bearing has the function of supporting the pitching turbine and facilitating the rotation of the pitching turbine.
In one embodiment of the invention, the bottom of the end cover is fixedly connected with an angle fine adjustment mechanism, the lower end of the angle fine adjustment mechanism is fixedly connected with the upper end surface of the azimuth turntable 2,
the lower end of the pitching shaft locking support 9 is fixedly connected with the upper end face of the azimuth turntable 2, and the pitching shaft 3 can rotate on the pitching shaft locking support 9 by adjusting the angle fine adjustment mechanism,
the angle fine-tuning mechanism includes: a casing 10 and a pitch worm 11,
the box body 10 is fixedly connected to the upper end surface of the azimuth turntable 2,
the pitch worm 11 is arranged in the box body 10, the pitch worm 11 is meshed with the pitch turbine 7,
wherein, one end of the pitching worm 7 is connected with the inner wall of the box body 10 through a bearing, the other end of the pitching worm 7 passes through the side wall of the box body 10, the tail end of the extending end is fixedly connected with a first knob 12,
and a bearing is arranged at the contact position of the extending part of the pitching worm 7 and the box body 10.
It should be noted that the process of angle fine adjustment is as follows: the first knob is rotated to drive the pitching worm to rotate, and then the pitching turbine is driven to rotate, and the pitching turbine cannot rotate independently due to the engagement of the clutch and the pitching turbine, so that when the pitching worm rotates, the pitching turbine drives the pitching shaft to rotate, and therefore the pitching angle of the reflector is changed, and the angle fine adjustment process is realized.
The box body has the functions that firstly, the pitching worm is supported; secondly, protect the every single move worm, be in the external world because of whole adjustment mechanism, can effectually avoid the erosion of foreign matter and rainwater to the every single move worm through the box.
The pitching worm is equivalent to a screw rod and mainly used for realizing the mechanical transmission process of driving the pitching turbine to rotate when the pitching worm rotates by meshing the teeth on the pitching worm with the driving teeth on the pitching turbine.
In an embodiment of the present invention, a pitch scale ring is sleeved on the pitch shaft 3,
the pitching scale ring is close to the pitching shaft locking support 9, and the pitching scale ring is fixedly sleeved on the pitching shaft 3.
It should be noted that, the pitch scale ring has the function that when the angle of the emitter is adjusted, the rotation angle of the reflector can be determined by observing the rotation angle of the pitch scale ring, so that the accurate control of the angle of the reflector is realized.
In order to avoid abrasion between the pitching scale ring and the pitching shaft locking support in the rotating process, the shaft can be isolated by arranging the elastic retainer ring for the shaft between the pitching scale ring and the pitching shaft locking support.
In an embodiment of the present invention, the pitch shaft locking bracket 9 includes: a base 91 and a locking sleeve 92,
the locking sleeve 92 is of a hoop structure, the locking sleeve 92 is sleeved on the pitching shaft 3,
threaded holes are arranged on the joint flange plates on the two sides of the hoop, a locking handle screw 13 is screwed between the threaded holes,
a second knob 14 is arranged at one end of the locking handle screw 13, and when the second knob 14 is rotated, the locking handle screw 13 can lock the hoop,
one of the joint flanges on both sides of the clamp is longer than the other joint flange,
wherein, the lower end of the joint flange plate with longer length is fixedly connected with the upper end of the base 91,
the lower end of the base 91 is fixedly connected to the upper end face of the azimuth turntable 2.
In an embodiment of the present invention, the locking handle screw 13 includes: a first screw 131 and a second screw 132,
the first screw 131 has a smaller diameter than the second screw 132,
wherein the first screw 131 is screwed in the threaded hole, and one end of the first screw 131 is fixedly connected with one end of the second screw 132,
the other end of the second screw 132 is fixedly connected with the second knob 14.
It should be noted that the pitch shaft is locked between the locking of the pitch shaft, so that the problem that the pitch shaft rotates after the angle adjustment is completed is solved.
The specific process is as follows: through the drive second knob, it rotates to drive the locking handle screw rod, this process first screw rod and second screw rod rotate simultaneously, first screw rod screw in threaded hole gradually, diameter because of the second screw rod is greater than the second screw rod, therefore, after the whole screw in threaded hole of first screw rod, the terminal surface of second screw rod and the contact of the shorter joint ring flange of length, at the rotatory in-process of continuous rotation second, the second screw rod extrudees the shorter joint ring flange of length, make the interval between the two joint ring flanges diminish, thereby realize that the internal diameter of clamp diminishes, and then realize the locking of every single move axle.
In an embodiment of the present invention, the locking sleeve 92 is provided with a scale mark slot.
The scale mark groove has the effect of facilitating observation of the rotating angle of the pitching scale ring in the rotating process.
In an embodiment of the present invention, the back frame includes: a left back frame 15, a right back frame 16 and a back frame connecting plate 17,
the left back frame 15 and the right back frame 16 are juxtaposed on the pitch shaft 3,
the upper ends of the left back frame 15 and the right back frame 16 are fixedly connected through the back frame connecting plate 17,
the lower ends of the left back frame 15 and the right back frame 16 are fixedly sleeved on the pitching shaft 3,
wherein, the reflector 1 is fixedly connected to the left back frame 15 and the right back frame 16.
In an embodiment of the present invention, the left back frame 15 and the right back frame 16 are provided with bosses for supporting the reflector 1.
In an embodiment of the present invention, the connection ends of the left back frame 15 and the right back frame 16 and the pitch shaft 3 are hoop structures,
wherein, and the staple bolt passes through the screw fastening and connects on pitch axle 3.
It should be noted that the back frame mainly has the effect of bearing the reflector, and sets up the link of back frame and every single move axle as the staple bolt structure, and the main effect is, easy to assemble and dismantlement, and in order to increase the stability of being connected between back frame and the every single move axle, through set up the screw hole on the staple bolt and on the every single move axle, then connect through fluting cone end holding screw.
In an embodiment of the invention, a rubber pad is arranged on the inner wall of the hoop.
The rubber pad has the effects of increasing the friction force between the back frame and the pitching shaft, increasing the stability of the back frame after being connected to the pitching shaft, and reducing the rotation probability of a small angle between the back frame and the pitching shaft when the emitter is acted by wind power or external force.
According to the portable antenna elevation angle adjusting mechanism provided by the invention, when the elevation angle needs to be quickly adjusted:
the second knob on the pitch shaft lock is slightly rotated, so that the acting force between the pitch shaft lock and the pitch shaft is reduced,
then, pressing a clutch handle by hand, wherein the clutch handle moves towards the cavity to be clutched and compressed, so that a spring in the cavity is driven to be compressed, and teeth on an annular disc of the clutch and the pitch worm wheel are separated from a meshing state;
then, the reflector is rotated, the reflector drives the pitching shaft to rotate, and the rotation angle is determined by observing the pitching scale ring, so that the pitching angle is quickly adjusted;
and then, after the angle is determined, the clutch handle is loosened, the clutch is pushed to the initial state through the elastic force of the spring, teeth on the annular disc of the clutch are meshed with the pitching worm wheel, and then the second knob is rotated to enable the pitching shaft locking support to lock the pitching shaft, so that the pitching angle adjustment of the reflector is completed.
When the pitching angle needs to be finely adjusted, the second knob on the pitching shaft lock is slightly rotated, so that the acting force between the pitching shaft lock and the pitching shaft is reduced,
and then, rotating the first knob with the sequence number to drive the pitching worm to rotate, wherein the pitching worm drives the pitching worm wheel to rotate, and the pitching worm wheel is meshed with the clutch, so that the reflecting body is driven to rotate when the pitching worm wheel rotates, and the fine adjustment of the pitching angle of the antenna surface is completed.
Because worm gear mechanism itself has certain backlash, when the wind load is great, probably have certain return difference, lead to the antenna face to have a slight rocking, only need rotate the second knob this moment for every single move locking support holds pitch shaft tightly, thereby locks antenna face every single move angle.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A portable antenna elevation angle adjustment mechanism, comprising: a reflector, an angle adjusting mechanism and an azimuth turntable,
the angle adjustment mechanism includes: a pitch shaft, a clutch handle, a bearing and a pitch turbine,
the interior of the pitching shaft is of a cavity structure,
the inner ring of the bearing is fixedly sleeved on the pitching shaft,
the inner ring of the pitching turbine is fixedly sleeved on the outer ring of the bearing,
the clutch includes: a cylindrical seat and an annular disc fixedly sleeved on the cylindrical seat,
a plurality of teeth which are distributed along the axial direction are fixedly arranged on one side surface of the annular disc,
a pair of opposite bulges are arranged on the inner ring of the annular disc,
wherein the cylindrical seat is sleeved in the cavity, a spring is embedded between one end of the cylindrical seat and the bottom of the cavity,
the clutch handle is sleeved in the cavity, one end of the clutch handle is in contact with the other end of the cylindrical seat, the other end of the clutch handle extends out of the cavity,
the teeth are meshed with the pitching turbine, and a through groove corresponding to the position of the bulge is formed in the pitching shaft;
the reflector is fixedly connected to the outer wall of the pitching shaft through a back frame,
one end of the pitching shaft is sleeved with an end cover for protecting the angle adjusting mechanism,
and the other end of the pitching shaft is sleeved with a pitching shaft locking support.
2. The portable antenna elevation angle adjustment mechanism of claim 1, wherein an angle fine adjustment mechanism is fixedly connected to the bottom of the end cap, the lower end of the angle fine adjustment mechanism is fixedly connected to the upper end surface of the azimuth turntable,
the lower end of the pitching shaft locking support is fixedly connected with the upper end face of the azimuth turntable, and the pitching shaft can rotate on the pitching shaft locking support when the angle fine adjustment mechanism is adjusted,
the angle fine-tuning mechanism includes: a box body and a pitching worm, wherein,
the box body is fixedly connected with the upper end surface of the azimuth turntable,
the pitching worm is arranged in the box body and meshed with the pitching turbine,
wherein one end of the pitching worm is connected with the inner wall of the box body through a bearing, the other end of the pitching worm penetrates through the side wall of the box body, the tail end of the extending end is fixedly connected with a first knob,
and a bearing is arranged at the contact position of the extending part of the pitching worm and the box body.
3. The portable antenna elevation angle adjustment mechanism of claim 1, wherein a tilt scale ring is sleeved on the tilt shaft,
the pitching scale ring is close to the pitching shaft locking support, and the pitching scale ring is fixedly sleeved on the pitching shaft.
4. The portable antenna elevation angle adjustment mechanism of claim 1, wherein the elevation lock bracket comprises: a base and a locking sleeve, wherein the base is provided with a locking sleeve,
the locking is in a hoop structure, the locking sleeve is sleeved on the pitching shaft,
threaded holes are arranged on the joint flange plates on the two sides of the hoop, a locking handle screw rod is screwed between the threaded holes,
a second knob is arranged at one end of the locking handle screw rod, and when the second knob is rotated, the locking handle screw rod can lock the hoop,
one of the joint flanges on both sides of the clamp is longer than the other joint flange,
wherein the lower end of the joint flange plate with longer length is fixedly connected with the upper end of the base,
the lower end of the base is fixedly connected with the upper end face of the azimuth turntable.
5. The portable antenna elevation angle adjustment mechanism of claim 4, wherein the locking handle screw comprises: a first screw and a second screw,
the first screw has a smaller diameter than the second screw,
wherein the first screw rod is screwed in the threaded hole, one end of the first screw rod is fixedly connected with one end of the second screw rod,
the other end of the second screw rod is fixedly connected with the second knob.
6. The portable antenna elevation angle adjustment mechanism of claim 4, wherein the locking sleeve is provided with a scale mark slot.
7. The portable antenna elevation angle adjustment mechanism of claim 1, wherein the back frame comprises: a left back frame, a right back frame and a back frame connecting plate,
the left back frame and the right back frame are arranged on the pitching shaft in parallel,
the upper ends of the left back frame and the right back frame are fixedly connected through the back frame connecting plate,
the lower ends of the left back frame and the right back frame are fixedly sleeved on the pitching shaft,
wherein, the reflector is fixedly connected on the left back frame and the right back frame.
8. The portable antenna elevation angle adjustment mechanism of claim 7, wherein bosses supporting the reflectors are provided on the left and right back frames.
9. The portable antenna elevation angle adjustment mechanism of claim 7, wherein the connection ends of the left back frame and the right back frame with the elevation axis are in a hoop structure,
and the hoop is fastened and connected on the pitch shaft through a screw.
10. The mechanism of claim 9, wherein a rubber pad is disposed on an inner wall of the hoop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210595241.XA CN114976639A (en) | 2022-05-28 | 2022-05-28 | Portable antenna elevation angle adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210595241.XA CN114976639A (en) | 2022-05-28 | 2022-05-28 | Portable antenna elevation angle adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114976639A true CN114976639A (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210595241.XA Pending CN114976639A (en) | 2022-05-28 | 2022-05-28 | Portable antenna elevation angle adjusting mechanism |
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| Country | Link |
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| CN (1) | CN114976639A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117096571A (en) * | 2023-09-15 | 2023-11-21 | 人天通信集团有限公司 | Medium-sized dual polarization spotlight antenna |
-
2022
- 2022-05-28 CN CN202210595241.XA patent/CN114976639A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117096571A (en) * | 2023-09-15 | 2023-11-21 | 人天通信集团有限公司 | Medium-sized dual polarization spotlight antenna |
| CN117096571B (en) * | 2023-09-15 | 2024-03-01 | 人天通信集团有限公司 | Medium-sized dual polarization spotlight antenna |
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