CN208208972U - A kind of antenna that can precisely adjust height - Google Patents
A kind of antenna that can precisely adjust height Download PDFInfo
- Publication number
- CN208208972U CN208208972U CN201820605981.6U CN201820605981U CN208208972U CN 208208972 U CN208208972 U CN 208208972U CN 201820605981 U CN201820605981 U CN 201820605981U CN 208208972 U CN208208972 U CN 208208972U
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- China
- Prior art keywords
- cannulated sleeve
- antenna
- pedestal
- bevel gear
- height
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Abstract
The utility model discloses the antennas that one kind can precisely adjust height, it is related to communication engineering technical field, the utility model includes cannulated sleeve, cannulated sleeve lower end is provided with folding support stand, cannulated sleeve is internally provided with height adjustment mechanism, the guide rod that can be slided in cannulated sleeve is connected at the top of height adjustment mechanism, the antenna pedestal for installing antenna is provided at the top of guide rod, cannulated sleeve side wall offers the vertical straight-line groove above limited block, cannulated sleeve side wall is provided with several uniformly distributed graduation marks from top to bottom close to straight-line groove, guide rod side wall is connected with the reading block with straight-line groove cooperation, the utility model has structure simple, it is easy to operate, the high advantage of height adjustment precision.
Description
Technical field
The utility model relates to communication engineering technical fields, and the day of height can be precisely adjusted more particularly to one kind
Line.
Background technique
Antenna is a kind of converter, it is transformed into the guided wave propagated on transmission line (usually free in unbounded medium
Space) in the electromagnetic wave propagated, or carry out opposite transformation.It is used to emit or receive the portion of electromagnetic wave in wireless device
Part, the engineering systems such as radio communication, broadcast, TV, radar, navigation, electronic countermeasure, remote sensing, radio astronomy are all to utilize electricity
Magnetic wave transmits information, depends on antenna to work.In addition, in terms of transmitting energy with electromagnetic wave, the energy of non-signal
Amount radiation is also required to antenna, and general antenna all has invertibity, i.e., both can be used as transmitting antenna with common antenna, it is also possible to connect
Receive antenna, the same antenna as transmitting or received fundamental characteristics parameter be it is identical, here it is the reciprocal theorems of antenna.
In antenna measurement operation, generally require ground-plane antenna to the satellite antenna in satelloid, to guarantee signal matter
Amount, according to site testing data, ground-plane antenna need to be inserted into certain height with antenna holder, antenna height directly with base station
Coverage area is related, and in general, the signal cover that we are measured with instrument is influenced by two aspect factors: first is that antenna institute
Send out the attainable maximum distance of direct wave；Second is that the signal strength for reaching the place is enough to be captured by instrument.And existing day
Line is all to adjust roughly when adjusting antenna height, and error range is larger, not accurate enough to the adjusting of antenna height, to antenna measurement
Operation has a certain impact.
Therefore above-mentioned technical problem how is solved, there is very much realistic meaning to those skilled in the art.
Utility model content
The purpose of this utility model is that: antenna height not enough accurately skill is adjusted during installation in order to solve existing antenna
Art problem, the utility model provide a kind of antenna that can precisely adjust height.
The utility model specifically uses following technical scheme to achieve the goals above:
A kind of antenna that can precisely adjust height, including cannulated sleeve, cannulated sleeve lower end are provided with folding support stand,
Cannulated sleeve is internally provided with height adjustment mechanism, and leading of can sliding in cannulated sleeve is connected at the top of height adjustment mechanism
Bar, guide rod top are provided with the antenna pedestal for installing antenna, and height adjustment mechanism includes the bottom for being fixed on cannulated sleeve inner wall
, screw rod and slide guide bar are provided on pedestal, screw lower end is through pedestal and is connected with bevel gear A, and bevel gear A engagement is connected with
Bevel gear B, bevel gear B are connected with the regulation handle stretched out outside cannulated sleeve, are arranged with nut seat, screw rod on screw rod and slide guide bar
The limited block for being fixed on cannulated sleeve inner wall is provided with slide guide bar top, nut seat is between pedestal and limited block, screw
Push rod is provided at seat center, push rod is connect through limited block and with guide rod, and cannulated sleeve side wall offers on limited block
The vertical straight-line groove of side, cannulated sleeve side wall are provided with several uniformly distributed graduation marks from top to bottom, guide side close to straight-line groove
Wall is connected with the reading block with straight-line groove cooperation.
Further, the folding support stand includes the support plate being movably set on cannulated sleeve, support plate side
End is hinged at least three uniformly distributed supporting legs, and the middle of each supporting leg is hinged with connection frame, the other end of each connection frame
It is hinged on cannulated sleeve lower end.
Further, the supporting leg bottom is provided with rubber cushion blocks.
Further, the number of teeth of the bevel gear B is less than the number of teeth of bevel gear A.
Further, the ball bearing with screw rod cooperation is provided in the pedestal.
Further, the antenna pedestal is connect by screw thread with antenna.
Working principle: after folding support stand expansion installation on the ground, day then has been calculated in test jobs at the scene
The predetermined altitude that line needs calculates difference in height, then rotates regulation handle manually, rotates bevel gear B band dynamic bevel gear A, cone
Gear A drives screw rod rotation, and the nut seat on screw rod slides up and down under the effect of slide guide bar, to make on the push rod on nut seat
Lower movement, push rod drive guide rod move up or decline, the reading block on guide rod slides up and down in straight-line groove, reading block upper surface with
Graduation mark can mutually coincide, and learn corresponding graduation mark position according to the difference in height of calculating, and reading block is made to rest on corresponding position
On, finally antenna is mounted on antenna pedestal.
The beneficial effects of the utility model are as follows:
1, antenna needs have then first been calculated in test jobs at the scene by after folding support stand expansion installation on the ground
Predetermined altitude, calculate difference in height, then manually rotation regulation handle, make bevel gear B band dynamic bevel gear A rotate, bevel gear A band
Dynamic screw rod rotates, and the nut seat on screw rod slides up and down under the effect of slide guide bar, so that the push rod on nut seat is moved up and down,
Push rod drives guide rod to move up or decline, and the reading block on guide rod slides up and down in straight-line groove, reads block upper surface and graduation mark
It can mutually coincide, corresponding graduation mark position is learnt according to the difference in height of calculating, rest on reading block on corresponding position,
Height adjustment mechanism is operated, is worked in coordination by reading block and graduation mark, can accurately adjust the height of antenna, finally will
Antenna is mounted on antenna pedestal, easy to operate.
2, folding support stand includes the support plate being movably set on cannulated sleeve, and support plate side is hinged at least three
A uniformly distributed supporting leg, the middle of each supporting leg are hinged with connection frame, and the other end of each connection frame is hinged on hollow sleeve
Cylinder lower end presses inward against all supporting legs, the connection frame on supporting leg is by masterpiece when needing folding support stand storing folding
Slide support plate upwards along cannulated sleeve, until supporting leg is parallel with cannulated sleeve.
3, supporting leg bottom is provided with rubber cushion blocks, and rubber cushion blocks carry the pressure of entire antenna holder, and support construction is steady
It is qualitative good.
4, the number of teeth of bevel gear B is less than the number of teeth of bevel gear A, therefore bevel gear B is greater than 1 to the transmission ratio of bevel gear A, turns
It is more labor-saving when dynamic regulation handle.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the antenna that the utility model one kind can precisely adjust height；
Fig. 2 is the partial enlargement structural representation in Fig. 1 at A；
Fig. 3 is the outer surface structure schematic diagram for the antenna that the utility model one kind can precisely adjust height；
Fig. 4 is that folding support stand stores folded structural schematic diagram (not installing antenna).
Appended drawing reference: 1- cannulated sleeve, 2- folding support stand, 2.1- support plate, 2.2- supporting leg, 2.3- connection frame, 3-
Height adjustment mechanism, 3.1- pedestal, 3.2- screw rod, 3.3- slide guide bar, 3.4- bevel gear A, 3.5- bevel gear B, 3.6- adjust hand
Handle, 3.7- nut seat, 3.8- limited block, 3.9- push rod, 4- guide rod, 5- antenna pedestal, 6- straight-line groove, 7- graduation mark, 8- read block,
9- rubber cushion blocks, 10- ball bearing, 11- antenna.
Specific embodiment
In order to which those skilled in the art better understand the utility model, with reference to the accompanying drawing with following embodiment to this
Utility model is described in further detail.
Embodiment 1
As shown in fig. 1 to 4, hollow the present embodiment provides the antenna that one kind can precisely adjust height, including cannulated sleeve 1
1 lower end of sleeve is provided with folding support stand 2, and cannulated sleeve 1 is internally provided with height adjustment mechanism 3, and height adjustment mechanism 3 pushes up
Portion is connected with the guide rod 4 that can be slided in cannulated sleeve 1, and the antenna pedestal 5 for installing antenna 11 is provided at the top of guide rod 4, high
Degree regulating mechanism 3 includes the pedestal 3.1 for being fixed on 1 inner wall of cannulated sleeve, is provided with screw rod 3.2 and slide guide bar on pedestal 3.1
3.3,3.2 lower end of screw rod is through pedestal 3.1 and is connected with bevel gear A3.4, and bevel gear A3.4 engagement is connected with bevel gear B3.5,
Bevel gear B3.5 is connected with the regulation handle 3.6 stretched out outside cannulated sleeve 1, is arranged with nut seat on screw rod 3.2 and slide guide bar 3.3
3.7, the limited block 3.8 for being fixed on 1 inner wall of cannulated sleeve is provided at the top of screw rod 3.2 and slide guide bar 3.3, and nut seat 3.7 is located at
Between pedestal 3.1 and limited block 3.8, be provided with push rod 3.9 at 3.7 center of nut seat, push rod 3.9 through limited block 3.8 and with
Guide rod 4 connects, and 1 side wall of cannulated sleeve offers the vertical straight-line groove 6 above limited block 3.8, and 1 side wall of cannulated sleeve leans on
Nearly straight-line groove 6 is provided with several uniformly distributed graduation marks 7 from top to bottom, and 4 side wall of guide rod is connected with the reading block cooperated with straight-line groove 6
8。
In the present embodiment, first by after folding support stand expansion installation on the ground, then calculated in test jobs at the scene
The predetermined altitude that good antenna needs calculates difference in height, then rotates regulation handle manually, turns bevel gear B band dynamic bevel gear A
Dynamic, bevel gear A drives screw rod rotation, and the nut seat on screw rod slides up and down under the effect of slide guide bar, to make on nut seat
Push rod moves up and down, and push rod drives guide rod to move up or decline, and the reading block on guide rod slides up and down in straight-line groove, reads on block
Surface can mutually coincide with graduation mark, learn corresponding graduation mark position according to the difference in height of calculating, and reading block is made to rest on phase
It answers on position, operates height adjustment mechanism, worked in coordination by reading block and graduation mark, can accurately adjust antenna
Height, finally antenna is mounted on antenna pedestal, it is easy to operate.
Embodiment 2
As shown in fig. 1 to 4, the present embodiment is to be further optimized on the basis of embodiment 1, specifically, described
Folding support stand 2 includes the support plate 2.1 being movably set on cannulated sleeve 1, and 2.1 side of support plate is hinged at least three
Uniformly distributed supporting leg 2.2, the middle of each supporting leg 2.2 are hinged with connection frame 2.3, and the other end of each connection frame 2.3 is cut with scissors
It connects in 1 lower end of cannulated sleeve, 2.2 bottom of supporting leg is provided with rubber cushion blocks 9.
In the present embodiment, when needing entire antenna holder storing folding, first rotating regulation handle moves down into guide rod most
Then lower position presses inward against all supporting legs, the connection frame on supporting leg makes support plate along cannulated sleeve under stress effect
Sliding upwards, until supporting leg is parallel with cannulated sleeve, rubber cushion blocks carry the pressure of entire antenna holder, support construction stability
It is good.
Embodiment 3
As shown in Fig. 1 to 2, the present embodiment is to be further optimized on the basis of embodiment 1, specifically, described
The number of teeth of bevel gear B3.5 is less than the number of teeth of bevel gear A3.4.
In the present embodiment, bevel gear B is greater than 1 to the transmission ratio of bevel gear A, and the bigger transmission ratio the more laborsaving, therefore rotates and adjust
It saves more labor-saving when handle.
Embodiment 4
As shown in Fig. 1 to 2, the present embodiment is to be further optimized on the basis of embodiment 1, specifically, described
The ball bearing 10 cooperated with screw rod 3.2 is provided in pedestal 3.1.
In the present embodiment, screw rod cooperates ball bearing when rotating, and screw rod is made to stablize the rotation on pedestal, reduces machinery and rubs
It wipes, stable drive.
Embodiment 5
As shown in figs. 1 and 3, the present embodiment is to be further optimized on the basis of embodiment 1, specifically, described
Antenna pedestal 5 is connect by screw thread with antenna 11.
The above, the only preferred embodiment of the utility model, are not intended to limit the utility model, the utility model
Scope of patent protection be subject to claims, it is equivalent made by all specifications and accompanying drawing content with the utility model
Structure change similarly should be included in the protection scope of the utility model.
Claims (6)
1. one kind can precisely adjust the antenna of height, including cannulated sleeve (1), cannulated sleeve (1) lower end is provided with collapsible branch
Support (2), which is characterized in that cannulated sleeve (1) is internally provided with height adjustment mechanism (3), is connected at the top of height adjustment mechanism (3)
It is connected to the guide rod (4) that can be slided in cannulated sleeve (1), the antenna pedestal for installing antenna (11) is provided at the top of guide rod (4)
(5), height adjustment mechanism (3) includes the pedestal (3.1) for being fixed on cannulated sleeve (1) inner wall, and pedestal is provided with screw rod on (3.1)
(3.2) run through pedestal (3.1) with slide guide bar (3.3), screw rod (3.2) lower end and be connected with bevel gear A (3.4), bevel gear A
(3.4) engagement is connected with bevel gear B (3.5), and bevel gear B (3.5), which is connected with, stretches out the regulation handle of cannulated sleeve (1) outside
(3.6), it is arranged with nut seat (3.7) on screw rod (3.2) and slide guide bar (3.3), is set at the top of screw rod (3.2) and slide guide bar (3.3)
It is equipped with the limited block (3.8) for being fixed on cannulated sleeve (1) inner wall, nut seat (3.7) is located at pedestal (3.1) and limited block (3.8)
Between, it is provided with push rod (3.9) at nut seat (3.7) center, push rod (3.9) connects through limited block (3.8) and with guide rod (4)
It connects, cannulated sleeve (1) side wall offers the vertical straight-line groove (6) above limited block (3.8), cannulated sleeve (1) side wall
Straight-line groove (6) are provided with several uniformly distributed graduation marks (7) from top to bottom, guide rod (4) side wall is connected with matches with straight-line groove (6)
The reading block (8) of conjunction.
2. the antenna according to claim 1 that can precisely adjust height, which is characterized in that the folding support stand
It (2) include the support plate (2.1) being movably set on cannulated sleeve (1), it is uniformly distributed that support plate (2.1) side is hinged at least three
Supporting leg (2.2), the middle of each supporting leg (2.2) is hinged with connection frame (2.3), the other end of each connection frame (2.3)
It is hinged on cannulated sleeve (1) lower end.
3. the antenna according to claim 2 that can precisely adjust height, which is characterized in that described supporting leg (2.2) bottom
It is provided with rubber cushion blocks (9).
4. the antenna according to claim 2 or 3 that can precisely adjust height, which is characterized in that the bevel gear B
(3.5) the number of teeth is less than the number of teeth of bevel gear A (3.4).
5. the antenna according to claim 4 that can precisely adjust height, which is characterized in that set in the pedestal (3.1)
It is equipped with the ball bearing (10) with screw rod (3.2) cooperation.
6. the antenna according to claim 1 that can precisely adjust height, which is characterized in that the antenna pedestal (5) passes through
Screw thread is connect with antenna (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820605981.6U CN208208972U (en) | 2018-04-26 | 2018-04-26 | A kind of antenna that can precisely adjust height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820605981.6U CN208208972U (en) | 2018-04-26 | 2018-04-26 | A kind of antenna that can precisely adjust height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208208972U true CN208208972U (en) | 2018-12-07 |
Family
ID=64521262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820605981.6U Active CN208208972U (en) | 2018-04-26 | 2018-04-26 | A kind of antenna that can precisely adjust height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208208972U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110247151A (en) * | 2019-06-28 | 2019-09-17 | 许才元 | A kind of antenna two-orbit slide construction |
-
2018
- 2018-04-26 CN CN201820605981.6U patent/CN208208972U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110247151A (en) * | 2019-06-28 | 2019-09-17 | 许才元 | A kind of antenna two-orbit slide construction |
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