CN212113994U - Communication pole of antenna boom with attenuator - Google Patents
Communication pole of antenna boom with attenuator Download PDFInfo
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- CN212113994U CN212113994U CN202021316742.2U CN202021316742U CN212113994U CN 212113994 U CN212113994 U CN 212113994U CN 202021316742 U CN202021316742 U CN 202021316742U CN 212113994 U CN212113994 U CN 212113994U
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Abstract
The utility model discloses a communication rod of an antenna bracket with a damper, which comprises a vertically arranged rod body; at least one deck setting damping antenna element on the body of rod, wherein, damping antenna element includes at least one antenna boom and sets up the antenna on antenna boom, antenna boom includes bracket component and damping subassembly, the bracket component has two parallel arrangement's slide rail, the pole is embraced of gliding slider and two sliders of connection on the slide rail, damping subassembly has two damping springs that set up respectively in the slider both sides and sets up the locking part in slider one end, the one end of slide rail is provided with the staple bolt of being connected with the body of rod, the other end is provided with the shrouding that blocks damping spring, locking part includes a plurality of pressure pearls that set up along the circumference, corresponding to the pressure pearl, be provided with the annular groove on the slide rail, the antenna setting is on embracing the pole, embrace the pole and lock on the slide rail through the breeze locking part locking.
Description
Technical Field
The utility model relates to a belong to the capital construction field, relate to a communication pole, concretely relates to communication pole of antenna boom with attenuator.
Background
With the development of 5G, the number of communication antennas required to be installed far exceeds the number of communication antennas installed for 4G. There is a great demand for installing communication antennas in an original communication pole station or other social pole stations (such as a municipal pole station, an electric pole station, etc.). How to improve the safety of the structure of the original pole station after the communication antenna is installed is a main problem to be solved at present.
The current commonly used method is to add a damper on top of the communication pole station. By increasing the additional damping ratio of the communication pole station, the tower top displacement of the communication pole station under the action of wind load is reduced, and the purpose of improving the structural safety is achieved.
Dampers generally require a mass to dissipate the energy generated by wind loads on the structure through relative motion and damping with the body structure, thereby reducing the response of the structure. The traditional damper has the following defects:
1. the mass of the damper is large, and the self-vibration period of the communication pole station is influenced;
2. the volume of the damper increases the wind shielding area and increases the wind load of the communication pole station;
3. the installation of the damper requires a certain space, which occupies valuable space where the antenna can be installed.
SUMMERY OF THE UTILITY MODEL
The present invention has been made in order to solve the above problems, and an object of the present invention is to provide a communication pole of an antenna stand having a damper.
The utility model provides a communication rod of an antenna bracket with a damper, which is characterized in that the communication rod comprises a rod body which is vertically arranged; at least one deck setting damping antenna element on the body of rod, wherein, damping antenna element includes at least one antenna boom and sets up the antenna on antenna boom, antenna boom includes bracket component and damping subassembly, the bracket component has two parallel arrangement's slide rail, the pole is embraced of gliding slider and two sliders of connection on the slide rail, damping subassembly has two damping springs that set up respectively in the slider both sides and sets up the locking part in slider one end, the one end of slide rail is provided with the staple bolt of being connected with the body of rod, the other end is provided with the shrouding that blocks damping spring, locking part includes a plurality of pressure pearls that set up along the circumference, corresponding to the pressure pearl, be provided with the annular groove on the slide rail, the antenna setting is on embracing the pole, embrace the locking part locking of slider and lock on the slide rail.
The utility model provides an in the communication pole of antenna boom with attenuator, can also have such characteristic: wherein, damping antenna element includes three antenna boom, and three antenna boom evenly sets up along circumference.
In addition, in the utility model provides an in the communication pole of antenna boom with attenuator, can also have such characteristic: wherein, the slide rail is a cylindrical straight rod.
In addition, in the utility model provides an in the communication pole of antenna boom with attenuator, can also have such characteristic: the sliding rail is connected with the hoop in a welding mode, and the reinforcing ribs are arranged between the sliding rail and the hoop.
In addition, in the utility model provides an in the communication pole of antenna boom with attenuator, can also have such characteristic: wherein, hold pole and slider and pass through the connecting plate and be connected.
In addition, in the utility model provides an in the communication pole of antenna boom with attenuator, can also have such characteristic: the slide block adopts a box-type linear guide rail slide block, the model is SCS30LUU, and a plurality of balls contacted with the slide rail are arranged in the slide block.
In addition, in the utility model provides an in the communication pole of antenna boom with attenuator, can also have such characteristic: the sliding block and the locking part are sleeved on the sliding rail, and the sliding block is fixedly connected with the locking part.
In addition, in the utility model provides an in the communication pole of antenna boom with attenuator, can also have such characteristic: wherein, the number of the pressure beads is 4-8.
In addition, in the utility model provides an in the communication pole of antenna boom with attenuator, can also have such characteristic: and when the wind speed is less than the set value, the locking component locks the antenna on the slide rail.
In addition, in the utility model provides an in the communication pole of antenna boom with attenuator, can also have such characteristic: when the wind speed is larger than a set value, the antenna moves on the sliding rail through the sliding block under the driving of wind power, and the vibration of the rod body is reduced under the action of the damping spring.
Action and effect of the utility model
According to the utility model relates to a communication pole of antenna boom with attenuator, including the antenna boom with attenuator, realize the damping action through damping spring and locking part, simple structure, the cost of manufacture is low.
In addition, the newly-added wind-shielding area and newly-added wind load of the antenna bracket can be ignored.
Furthermore, the mass of the communication antenna is used as the mass block of the damper, so that the overall mass of the communication rod is not increased.
Furthermore, the damper of the antenna support does not occupy the installation position of the communication antenna, the damper and the communication antenna are combined to be integrally assembled, the effect of the damper can be fully exerted, and the structural safety of the communication pole station is improved.
Drawings
Fig. 1 is a schematic view of a communication rod of an antenna mount of a damper according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
fig. 3 is a schematic top view of a damping antenna unit according to an embodiment of the present invention;
FIG. 4 is a schematic view of the connection between the slide rail and the anchor ear;
FIG. 5 is a schematic view of the connection between the middle slide block and the holding pole of the present invention;
FIG. 6 is a schematic view of the slide block and the locking member mounted on the slide rail according to the present invention;
fig. 7 is a schematic cross-sectional view of the locking member of the present invention in a locked condition;
FIG. 8 is an enlarged view of portion B of FIG. 7;
fig. 9 is a schematic cross-sectional view of the locking member of the present invention in a sliding state;
fig. 10 is a photograph of a conventional damper-equipped antenna mast.
Detailed Description
In order to make the utility model realize that technical means, creation characteristics, achievement purpose and efficiency are easily understood and known, the following embodiment is combined with the accompanying drawings to be right the utility model discloses a communication pole of antenna boom with attenuator does specifically expounds.
Examples
As shown in fig. 1, a communication mast having an antenna mount with a damper includes a mast body 1, at least one damped antenna unit 10.
The rod body 1 is vertically arranged on the ground or a building.
At least one damping antenna unit 10 is disposed on the rod body 1, and a plurality of damping antenna units 10 are disposed on the rod body 1 from top to bottom, in an embodiment, the number of the damping antenna units 10 is 1.
As shown in fig. 2, the damping antenna unit 10 includes at least one antenna support 11 and an antenna device 12 disposed on the antenna support 11.
The damping antenna unit 10 can be provided with one to three antenna brackets 11 at the same designated elevation of the rod body 1, each antenna bracket can be provided with a group of antenna equipment 12, and the antenna equipment 12 comprises an antenna, an RRU (remote radio unit), an AAU (architecture) and the like.
As shown in fig. 3, the damping antenna unit 10 is composed of three antenna supports 11, and the three antenna supports 11 are uniformly arranged along the horizontal circumferential direction.
The antenna mount 11 includes a mount assembly and a damping assembly.
As shown in fig. 2, the bracket assembly has two slide rails 111, two slide blocks 112, a holding pole 113, two anchor ears 114, two sealing plates 115, and two connecting plates 116.
One end of the slide rail 111 is connected with the hoop 114, and the other end is provided with a sealing plate 115.
In the embodiment, the sliding rail 111 is a cylindrical straight rod with a diameter of 30 mm. The sliding rail 111 is connected with the anchor ear 114 and the closing plate 115 by welding.
As shown in fig. 4, a reinforcing rib 141 is disposed between the slide rail 111 and the anchor ear 114, and the reinforcing rib is welded to the slide rail 111 and the anchor ear 114, respectively.
In the embodiment, the anchor ear 114 is a circular ring and is formed by three arc-shaped components connected by bolts. The anchor ear 114 is mounted on the mast body 1.
The two slide rails 111 are arranged in parallel.
The sliding block 112 slides on the sliding rail 111, in an embodiment, the sliding block 112 is a box-type linear guide sliding block, which is provided with a model SCS30LUU, and a plurality of balls contacting with the sliding rail 111 are arranged in the sliding block 112.
As shown in fig. 5, the clasping rod 113 is connected with the sliding block 112 through a connecting plate 116, the clasping rod 113 is perpendicular to the sliding rail 111, in the embodiment, the clasping rod 113 is welded with the connecting plate 116, and the sliding block 112 is connected with the connecting plate 116 through a screw.
Aiming at the characteristics and the requirements of the communication pole station, the damping component of the antenna bracket adopts two damping parts of spring damping and slide rail damping as the structural damping under different vibration amplitudes.
As shown in fig. 2, the damping assembly includes four damping springs 117 and two locking members 118 that act as slide rail dampers.
Two damping springs 117 are respectively arranged at two sides of the sliding block 112, in the embodiment, the outer diameter of the damping spring 117 is 50mm, the spring wire is directly 4mm, the length is 430mm, and the effective number of turns is 40.
As shown in fig. 6, the sliding block 112 and the locking member 118 are both sleeved on the sliding rail 111, and the sliding block 112 and the locking member 118 are fixedly connected.
As shown in fig. 7 and 8, the locking component 118 has a cylindrical inner cavity matching the outer shape of the sliding rail 111, a plurality of cylindrical cavities 1183 are circumferentially arranged in the inner cavity, the axes of the plurality of cylindrical cavities 1183 are on a plane, the plane is perpendicular to the axis of the sliding rail 111, the pressure bead 1181 and the spring 1182 are arranged in the cylindrical cavities, the opening of the cylindrical cavity 1183 is smaller than the diameter of the pressure bead 1181, when the pressure bead 1181 is subjected to an external force, the pressure bead 1181 retracts into the cylindrical cavity 1183, and when the locking component shown in fig. 9 is in a sliding state, the pressure bead 1181 retracts into the cylindrical cavity 1183 after being subjected to the external force. When the force is removed, as shown in fig. 7, pressure bead 1181 is forced against the cylindrical cavity opening by spring 1182. The number of pressure beads 1181 is 4 to 8, and in the embodiment, the number of pressure beads is 4.
Corresponding to the pressure ball 1181, the slide rail 111 is provided with an annular groove 1111 as shown in fig. 6, and the pressure ball 1181 of the locking member 118 is located in the annular groove 1111.
The antenna device 12 is disposed on the pole 113, in an embodiment, the antenna device 12 is connected to the pole 113 through a connector, and when the pressure bead 1181 of the locking component 118 is located in the annular groove 1111, the pole 113 is locked on the sliding rail 111 through the locking component 118 of the connecting slider 112.
When the wind speed is less than the set value, the antenna apparatus 12 is guaranteed not to shake by the locking member 118 in the slide damping. The settings are related to the antenna size and parameters such as the design size of the pressure bead 1181 and the annular recess 1111, the type of the spring 1182, etc.
When the wind speed is higher than the set value, the antenna moves left and right on the slide rail 111 through the slide block 112 under the driving of wind power, the pressure bead 1181 of the locking component 118 moves out of the annular groove 1111, and the spring damping and the slide rail damping consume energy together, so that the vibration of the rod body 1 caused by the shaking of the antenna equipment 12 is reduced. The settings are related to the antenna size and parameters such as the design size of pressure bead 1181, annular recess 1111, and the type of spring 1182.
In the embodiment, a communication rod with a height of 25 m in a Shanghai region is modeled and analyzed, wind load is calculated according to the current national standard, a load application field test is carried out, and test data are shown in a table 1.
TABLE 1
| Comparison index | Damper-free device | With dampers | Vibration damping rate |
| Base counter-force (kN. m) | 369 | 289 | 21.60％ |
| Displacement at the top of the tower (mm) | 423 | 328 | 22.50％ |
The response of the iron tower to the wind load (bottom bending moment and tower top displacement) in the original state (installation of a common antenna bracket) and after the antenna bracket with the damper is installed is contrastively analyzed, and it can be found from table 1 that the reaction force of the damper to the base and the tower top displacement are smaller than those of the damper-free iron tower.
In the embodiment, after the antenna support with the damper is installed, the additional damping ratio is more than 3%, and the damping ratio of the communication pole top displacement is 22.5%.
As shown in fig. 10, the existing antenna rod is provided with a damper at the top, which not only has a large volume and needs to be provided with a mass block, but also occupies valuable space for installing the antenna.
Compared with the existing antenna mast, the present embodiment utilizes the mass of the antenna device 12 as the mass block of the damper, the frequency of the damper is controlled by the spring, and the adjustment is performed according to the field measured frequency, so that not only is the mass block saved, but also the assembly space of the antenna mast is not occupied. The number of layers of antenna installation and the number of antennas can be increased, the utilization rate of the antenna mast is greatly improved, and the cost of operators is reduced.
Furthermore, the damper does not occupy the installation position of the communication antenna, and the damper and the communication antenna are combined to be integrally assembled, so that the effect of the damper can be fully exerted, and the structural safety of the communication pole station is improved.
Effects and effects of the embodiments
According to the communication rod of the antenna support with the damper, which is provided with the antenna support with the damper, the damping effect is realized through the damping spring and the locking component, the structure is simple, and the manufacturing cost is low.
In addition, the newly-added wind-shielding area and newly-added wind load of the antenna bracket can be ignored.
Furthermore, the mass of the communication antenna is used as the mass block of the damper, so that the overall mass of the communication rod is not increased.
Furthermore, the damper of the antenna support does not occupy the installation position of the communication antenna, the damper and the communication antenna are combined to be integrally assembled, the effect of the damper can be fully exerted, and the structural safety of the communication pole station is improved.
The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.
Claims (10)
1. A communication boom having an antenna mount with a damper, comprising:
a vertically arranged rod body;
at least one layer of damped antenna elements arranged on said rod,
wherein the damping antenna unit comprises at least one antenna bracket and an antenna arranged on the antenna bracket,
the antenna mount includes a mounting assembly and a damping assembly,
the bracket component is provided with two parallel slide rails, slide blocks sliding on the slide rails and a holding pole connecting the two slide blocks,
the damping assembly is provided with two damping springs respectively arranged at two sides of the sliding block and a locking part arranged at one end of the sliding block,
one end of the slide rail is provided with a hoop connected with the rod body, the other end of the slide rail is provided with a sealing plate for blocking the damping spring,
the locking component comprises a plurality of pressure beads arranged along the circumference, the sliding rail is provided with an annular groove corresponding to the pressure beads,
the antenna is arranged on the holding pole, and the holding pole is locked on the sliding rail through the locking component connected with the sliding block.
2. The communication mast with antenna mount of claim 1, wherein:
the damping antenna unit comprises three antenna supports which are uniformly arranged along the circumferential direction.
3. The communication mast with antenna mount of claim 1, wherein:
wherein, the slide rail is a cylindrical straight rod.
4. The communication mast with antenna mount of claim 1, wherein:
the sliding rail is connected with the hoop in a welded mode, and reinforcing ribs are arranged between the sliding rail and the hoop.
5. The communication mast with antenna mount of claim 1, wherein:
the holding pole is connected with the sliding block through a connecting plate.
6. The communication mast with antenna mount of claim 1, wherein:
wherein the slide block adopts a box type linear guide rail slide block with the model of SCS30LUU,
and a plurality of balls in contact with the slide rail are arranged in the slide block.
7. The communication mast with antenna mount of claim 1, wherein:
wherein the slide block and the locking part are sleeved on the slide rail,
the slider is fixedly connected with the locking component.
8. The communication mast with antenna mount of claim 1, wherein:
wherein the number of the pressure beads is 4-8.
9. The communication mast with antenna mount of claim 1, wherein:
when the wind speed is smaller than a set value, the antenna is locked on the sliding rail by the locking component.
10. The communication mast with antenna mount of claim 1, wherein:
when the wind speed is higher than a set value, the antenna is driven by wind to move on the sliding rail through the sliding block, and the vibration of the rod body is reduced under the action of the damping spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021316742.2U CN212113994U (en) | 2020-07-08 | 2020-07-08 | Communication pole of antenna boom with attenuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021316742.2U CN212113994U (en) | 2020-07-08 | 2020-07-08 | Communication pole of antenna boom with attenuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212113994U true CN212113994U (en) | 2020-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021316742.2U Active CN212113994U (en) | 2020-07-08 | 2020-07-08 | Communication pole of antenna boom with attenuator |
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| Country | Link |
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| CN (1) | CN212113994U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116914403A (en) * | 2023-07-17 | 2023-10-20 | 亳州广播电视台 | High-stability broadcast television antenna |
-
2020
- 2020-07-08 CN CN202021316742.2U patent/CN212113994U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116914403A (en) * | 2023-07-17 | 2023-10-20 | 亳州广播电视台 | High-stability broadcast television antenna |
| CN116914403B (en) * | 2023-07-17 | 2024-02-09 | 亳州广播电视台 | High-stability broadcast television antenna |
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