CN209104367U - A kind of feedback type reflector antenna - Google Patents
A kind of feedback type reflector antenna Download PDFInfo
- Publication number
- CN209104367U CN209104367U CN201821928461.5U CN201821928461U CN209104367U CN 209104367 U CN209104367 U CN 209104367U CN 201821928461 U CN201821928461 U CN 201821928461U CN 209104367 U CN209104367 U CN 209104367U
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- Prior art keywords
- fixed
- reflection surface
- bevel gear
- primary reflection
- card slot
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The utility model relates to a kind of feedback type reflector antennas, it includes pedestal, the pillar connecting with base rotation, the primary reflection surface for being fixed on pillar upper end, the subreflector connecting with primary reflection surface, the feed being fixed on primary reflection surface, the driving mechanism for adjusting pillar rotational angle, pedestal includes bottom frame, the support being fixed on bottom frame, the sleeve fixed with bottom frame, and the sleeve is fixed on the middle part of the bottom frame；Driving mechanism includes motor, cone disk, first bevel gear, second bevel gear, hand crank, and cone disk fixation is set in lower rod end, and the upper surface for boring disk is engaged with first bevel gear, and the lower end surface and second bevel gear for boring disk are fixed；Motor is fixed on the support, and first bevel gear fixation is set on the output shaft of motor, and hand crank and sleeve are rotatablely connected, and second bevel gear fixation is set on hand crank.The utility model can manually adjust the angle of primary reflection surface horizontal direction, to adjust the receiving direction of primary reflection surface.
Description
Technical field
The utility model relates to the technical fields of antenna, more particularly, to a kind of feedback type reflector antenna.
Background technique
With the rapid development of Modern wireless communication technology, based on Cassegrain antenna and splash plate feed source antenna after
Feedback formula reflector antenna is answered extensively since it has the characteristics that high-gain, narrow beam, Sidelobe, structure be simple, flexible design
For communications fields such as satellite communication, microwave radio relay communication, radar and radio astronomies.
Feedback type reflector antenna includes pedestal, pillar, primary reflection surface, subreflector, feed, and primary reflection surface is rotation pair
The paraboloid of title, subreflector are the hyperboloid of rotational symmetry, and feed makes the electromagnetism wave energy arrived by reflecting surface institute reflecting and collecting most
The conversion of limits, and absorbed by tuner.
Existing feedback type reflector antenna generally uses motor driven primary reflection surface to rotate in the horizontal direction, adjusts main anti-
The receiving direction for penetrating face needs emergency adjustment primary reflection surface angle, then cannot achieve adjusting, influence rear feed when electrical fault
The signal of formula reflector antenna receives.
Utility model content
The purpose of the utility model is to provide a kind of feedback type reflector antennas, can manually adjust primary reflection surface level side
To angle, to adjust the receiving direction of primary reflection surface.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of feedback type reflecting surface
Antenna including pedestal, the pillar connecting with base rotation, the primary reflection surface for being fixed on pillar upper end, is connect with primary reflection surface
Subreflector, the feed being fixed on primary reflection surface, the driving mechanism for adjusting pillar rotational angle, the pedestal include bottom
Frame, the support being fixed on bottom frame, the sleeve fixed with bottom frame, the sleeve are fixed on the middle part of the bottom frame；The driving
Mechanism includes motor, cone disk, first bevel gear, second bevel gear, hand crank, and the cone disk fixation is set under the pillar
The upper surface at end, the cone disk is engaged with the first bevel gear, and the lower end surface of the cone disk is fixed with the second bevel gear；
The motor is fixed on the support, and the first bevel gear fixation is set on the output shaft of the motor, described hand
Being rotatablely connected with the sleeve, the second bevel gear fixation is set on the hand crank.
By using above-mentioned technical proposal, need to adjust the receiving direction of primary reflection surface, under normal circumstances, motor drives motor
Dynamic first bevel gear rotation, first bevel gear band mantle disk rotate, and cone disk drives pillar rotation, to drive primary reflection surface in water
Square to rotation, change primary reflection surface receiving direction.When electrical fault, support stretches upwards, and first bevel gear is detached from cone
Disk shakes hand crank, second bevel gear driving cone disk rotation, so that primary reflection surface be driven to rotate in the horizontal direction.Adjust master
After the receiving direction of reflecting surface, feedback type reflector antenna is worked normally, and primary reflection surface is by the reflection of electromagnetic wave being collected into secondary
On reflecting surface, electromagnetic wave is absorbed after two secondary reflections by feed, so the signal energy density that feed obtains is bigger.
The utility model is further arranged to: the mobile mechanism that driving hand crank moves up and down is provided on the pillar,
The mobile mechanism includes the sliding block being rotatablely connected with hand crank, is provided on sleeve with the sliding slot of sliding block cooperation, for fixing
The fixation kit of sliding block.
By using above-mentioned technical proposal, when motor driven primary reflection surface rotates, in order to not influence the rotation of cone disk, downwards
Sliding slider, so that second bevel gear and cone disk detachment, the fixed sliding block of fixation kit continues slide downward.
The utility model is further arranged to: the fixation kit includes groove, spring, fixture block, card slot, and the groove is opened
Be located on the one end of the sliding block far from the hand crank, the bottom wall of the spring one end and the groove is fixed, the other end with
The fixture block is fixed；The card slot is provided on the bottom wall of the sliding slot, and the card slot and the sliding slot penetrate through, the fixture block card
In the card slot.
By using above-mentioned technical proposal, when sliding block slides in sliding slot, fixture block is contacted with sliding slot bottom wall, and spring is pressed
Contracting, when fixture block snaps onto card slot, in the raw, sliding block can not continue to slide spring, realize consolidating for sliding block and sleeve
It is fixed.When needing sliding slider again, fixture block is pressed, spring is compressed again, and fixture block enters in sliding slot.The mode of fixed sliding block
It is easy to operate, be conducive to fast operating.
The utility model is further arranged to: the card slot includes the first card slot, the second card slot, and first card slot is in institute
It states above the second card slot.
By using above-mentioned technical proposal, electrical fault needs manual actuation primary reflection surface to rotate, and fixture block snaps onto first
In card slot；When motor works normally, fixture block is pressed, spring compressed, and so that fixture block is detached from the first card slot, slide downward sliding block, the
Two bevel gears separate with cone disk, and when fixture block is snapped onto the second card slot, spring in the raw, fix with sleeve by sliding block.Electricity
When machine driving cone disk rotation, second bevel gear will not influence the rotation of cone disk.
The utility model is further arranged to: support frame is fixed with outside the primary reflection surface, the support frame is far from described
One end of primary reflection surface is fixed with pillar.
By using above-mentioned technical proposal, on the one hand support frame can protect primary reflection surface, on the other hand due to principal reflection
Face is directly fixed with pillar, and the contact area of primary reflection surface and pillar is small, and the contact area of two support frames and pillar is big, support frame
It is fixed with pillar, to improve the bonding strength of support frame and pillar, further increases the fixing intensity to primary reflection surface.
The utility model is further arranged to: the upper surface of the subreflector is fixed with link block, and the link block is remote
One end from the subreflector is fixed with strut, and the one end of the strut far from the link block and the primary reflection surface are solid
It is fixed.
By using above-mentioned technical proposal, the company of primary reflection surface and subreflector is can be improved in the link block and strut of setting
Connect intensity.The upper surface that link block is fixed on subreflector will not influence reflection of the subreflector to signal.
The utility model is further arranged to: be provided with reinforcing rod on the bottom frame, one end of the reinforcing rod with it is described
Bottom frame is fixed, and the other end is fixed with the sleeve.
By using above-mentioned technical proposal, the integral strength of pedestal is can be enhanced in reinforcing rod, improves pedestal to reflecting surface
Support strength.
The utility model is further arranged to: the end fixing sleeve of the hand crank is equipped with rubber sleeve, on the rubber sleeve
It is provided with anti-skid chequer.
By using above-mentioned technical proposal, anti-skid chequer can increase the frictional force between hand and rubber sleeve, be conducive to drive
Hand crank rotation.
In conclusion the advantageous effects of the utility model are as follows:
1. when electrical fault, the angle of primary reflection surface horizontal direction can be manually adjusted, to adjust connecing for primary reflection surface
Debit to；
2. motor normal driving first bevel gear rotates, slide downward hand crank, second bevel gear and cone disk detachment, the
Two bevel gears will not influence the rotation of cone disk；
3. the integral strength of pedestal can be enhanced in the reinforcing rod being arranged, support of the pedestal to reflecting surface is improved.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the schematic diagram of the driving mechanism of the utility model；
Fig. 3 is the perspective view of the explosion of the mobile mechanism of the utility model.
Appended drawing reference: 1, pedestal；11, bottom frame；12, support；121, the first support；1211, the first threaded hole；122, second
Support；1221, the second threaded hole；123, bolt；13, sleeve；14, reinforcing rod；2, pillar；3, primary reflection surface；31, support frame；
4, subreflector；41, link block；42, strut；5, feed；6, driving mechanism；61, motor；62, disk is bored；63, first bevel gear；
64, second bevel gear；65, hand crank；651, rubber sleeve；652, anti-skid chequer；7, mobile mechanism；71, sliding block；72, sliding slot；73,
Fixation kit；731, groove；732, spring；733, fixture block；734, card slot；7341, the first card slot；7342, the second card slot.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It referring to Fig.1, is a kind of feedback type reflector antenna disclosed by the utility model, including pedestal 1 and pedestal 1 rotate
The pillar 2 of connection, the subreflector 4 connecting with primary reflection surface 3, is fixed on master instead at the primary reflection surface 3 for being fixed on 2 upper end of pillar
The feed 5 penetrated on face 3, the driving mechanism 6 for adjusting 2 rotational angle of pillar.
As shown in Figure 1, pedestal 1 include bottom frame 11, support 12, sleeve 13, support 12 include the first support 121, second
Seat 122.First support, 121 lower end and bottom frame 11 are fixed, and 122 lower end of the second support is hollow structure, and the second support 122 can be opposite
First support 121 slides, and offers the first threaded hole 1211 on the first support 121, offers the second screw thread on the second support 122
Bolt 123 is threaded in hole 1221, the first threaded hole 1211 and the second threaded hole 1221.Sleeve 13 is fixed on bottom frame 11
Middle part is fixed with reinforcing rod 14 on bottom frame 11, and the one end of reinforcing rod 14 far from bottom frame 11 and the side wall of sleeve 13 are fixed.
As shown in Figure 1, primary reflection surface 3 is the paraboloid of revolution, subreflector 4 is the hyperboloid of revolution, is fixed outside primary reflection surface 3
There is support frame 31, the bottom end of support frame 31 and the upper end of pillar 2 are fixed.The upper surface of subreflector 4 is fixed with link block 41, even
It connects block 41 and is fixed with strut 42 far from one end of subreflector 4, the one end of strut 42 far from link block 41 and primary reflection surface 3 are solid
It is fixed.Feed 5 is fixed on the bottom end of primary reflection surface 3, and primary reflection surface 3 is by the reflection of electromagnetic wave being collected into subreflector 4, electromagnetism
Wave is absorbed after two secondary reflections by feed 5, so the signal energy density that feed 5 obtains is bigger.
As shown in Fig. 2, driving mechanism 6 includes motor 61, cone disk 62, first bevel gear 63, second bevel gear 64, hand crank
65, motor 61 is fixed on the second support 122.Cone disk 62 is fixed to be set in 2 lower end of pillar, cone 62 upper surface of disk and the first cone tooth
63 engagement of wheel, cone 62 lower end surface of disk are engaged with second bevel gear 64, the fixed output shaft for being set in motor 61 of first bevel gear 63
On, the fixation of second bevel gear 64 is set on hand crank 65.The end fixing sleeve of hand crank 65 is equipped with rubber sleeve 651, rubber sleeve
Anti-skid chequer 652 is provided on 651.Motor 61 drives first bevel gear 63 to rotate, and band mantle disk 62 rotates, and cone disk 62 drives pillar
2 rotations change the receiving direction of primary reflection surface 3 so that primary reflection surface 3 be driven to rotate.When 61 failure of motor, the second support 122
It moves up, first bevel gear 63 and cone disk 62 are detached from, and rotate hand crank 65, and driving second bevel gear 64 rotates, the second cone tooth
64 band mantle disk 62 of wheel rotates, so that primary reflection surface 3 be driven to rotate.
As shown in figure 3, being provided with the mobile mechanism 7 for driving hand crank 65 to move up and down, mobile mechanism 7 on sleeve 13
Including sliding block 71, sliding slot 72, fixation kit 73.Sliding block 71 and hand crank 65 are rotatablely connected, and sliding slot 72 is provided with the side of sleeve 13
On wall, sliding block 71 slides in sliding slot 72.Fixation kit 73 includes groove 731, spring 732, fixture block 733, card slot 734, groove
731 are provided with sliding block 71 far from one end end face of hand crank 65, and 732 one end of spring and the bottom wall of groove 731 are fixed, the other end
It is fixed with fixture block 733.Card slot 734 is provided on the bottom wall of sliding slot 72, and card slot 734 is connected to sliding slot 72, and fixture block 733 is stuck in card slot
In 734.Card slot 734 includes the first card slot 7341, the second card slot 7342, and the first card slot 7341 is above the second card slot 7342.Electricity
When machine 61 works normally, in order to avoid 64 pairs of cone disk 62 rotations of second bevel gear have an impact, by 71 slide downward of sliding block, fixture block
733 are stuck in the second card slot 7342, and second bevel gear 64 and cone disk 62 are detached from.
The implementation principle of the present embodiment are as follows: motor 61 under normal circumstances, presses fixture block 733, and spring 732 is compressed, and makes card
Block 733 is detached from the first card slot 7341, slide downward sliding block 71, and second bevel gear 64 is separated with cone disk 62.The driving of motor 61 first
Bevel gear 63 rotates, and first bevel gear 63 is rotated with mantle disk 62, and cone disk 62 drives pillar 2 to rotate, to drive primary reflection surface 3
The receiving direction of primary reflection surface 3 is rotated, changed in the horizontal direction.When 61 failure of motor, support 12 is flexible upwards, the first cone tooth
Wheel 63 is detached from cone disk 62, presses fixture block 733, and fixture block 733 is detached from from the second card slot 7342, upward sliding sliding block 71, fixture block 733
It snaps onto the first card slot 7341.Hand crank 65 is shaken, the driving cone disk 62 of second bevel gear 64 rotates, to drive primary reflection surface
3 rotate in the horizontal direction.After the receiving direction for adjusting primary reflection surface 3, feedback type reflector antenna is worked normally, primary reflection surface
3 by the reflection of electromagnetic wave being collected into subreflector 4, and electromagnetic wave is absorbed after two secondary reflections by feed 5, so feed 5
Obtained signal energy density is bigger.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of feedback type reflector antenna including pedestal (1), the pillar (2) being rotatablely connected with pedestal (1), is fixed on pillar
(2) primary reflection surface (3) of upper end, the subreflector (4) being connect with primary reflection surface (3), the feed that is fixed on primary reflection surface (3)
(5), for adjusting the driving mechanism (6) of pillar (2) rotational angle, the pedestal (1) includes bottom frame (11), is fixed on bottom frame
(11) support (12) on, the sleeve (13) fixed with bottom frame (11), the support (12) are scalable support (12), the set
Cylinder (13) is fixed on the middle part of the bottom frame (11), it is characterised in that: the driving mechanism (6) includes motor (61), cone disk
(62), first bevel gear (63), second bevel gear (64), hand crank (65), cone disk (62) fixation are set in the pillar
(2) upper surface of lower end, cone disk (62) is engaged with the first bevel gear (63), the lower end surface of cone disk (62) and institute
It is fixed to state second bevel gear (64)；The motor (61) is fixed on the support (12), and the first bevel gear (63) is fixed
It is set on the output shaft of the motor (61), the hand crank (65) and the sleeve (13) are rotatablely connected, second cone
Gear (64) fixation is set on the hand crank (65).
2. feedback type reflector antenna according to claim 1, it is characterised in that: be provided with driving on the pillar (2)
The mobile mechanism (7) that hand crank (65) moves up and down, the mobile mechanism (7) include the sliding block with hand crank (65) rotation connection
(71), sliding slot (72), the fixation kit (73) for fixing sliding block (71) on sleeve (13) with sliding block (71) cooperation are provided with.
3. feedback type reflector antenna according to claim 2, it is characterised in that: the fixation kit (73) includes groove
(731), spring (732), fixture block (733), card slot (734), the groove (731) are provided with the sliding block (71) far from the hand
On one end of crank (65), described spring (732) one end and the bottom wall of the groove (731) are fixed, the other end and the fixture block
(733) fixed；The card slot (734) is provided on the bottom wall of the sliding slot (72), the card slot (734) and the sliding slot (72)
Perforation, the fixture block (733) are stuck in the card slot (734).
4. feedback type reflector antenna according to claim 3, it is characterised in that: the card slot (734) includes the first card
Slot (7341), the second card slot (7342), first card slot (7341) is above second card slot (7342).
5. feedback type reflector antenna according to claim 1, it is characterised in that: be fixed with outside the primary reflection surface (3)
Support frame (31), one end and pillar (2) far from the primary reflection surface (3) of the support frame (31) are fixed.
6. feedback type reflector antenna according to claim 1, it is characterised in that: the upper surface of the subreflector (4)
It is fixed with link block (41), the link block (41) is fixed with strut (42), the branch far from the one end of the subreflector (4)
One end and the primary reflection surface (3) far from the link block (41) of bar (42) are fixed.
7. feedback type reflector antenna according to claim 1, it is characterised in that: be provided with reinforcement on the bottom frame (11)
Bar (14), one end and the bottom frame (11) of the reinforcing rod (14) are fixed, and the other end and the sleeve (13) are fixed.
8. feedback type reflector antenna according to claim 1, it is characterised in that: the end of the hand crank (65) is fixed
It is arranged rubber sleeve (651), is provided with anti-skid chequer (652) on the rubber sleeve (651).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821928461.5U CN209104367U (en) | 2018-11-21 | 2018-11-21 | A kind of feedback type reflector antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821928461.5U CN209104367U (en) | 2018-11-21 | 2018-11-21 | A kind of feedback type reflector antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209104367U true CN209104367U (en) | 2019-07-12 |
Family
ID=67160966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821928461.5U Expired - Fee Related CN209104367U (en) | 2018-11-21 | 2018-11-21 | A kind of feedback type reflector antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209104367U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114512785A (en) * | 2022-02-22 | 2022-05-17 | 成都老鹰信息技术有限公司 | Unmanned aerial vehicle disturbs rifle antenna structure |
-
2018
- 2018-11-21 CN CN201821928461.5U patent/CN209104367U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114512785A (en) * | 2022-02-22 | 2022-05-17 | 成都老鹰信息技术有限公司 | Unmanned aerial vehicle disturbs rifle antenna structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190712 Termination date: 20201121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |