CN211376911U - A multi-dimensional adjustment antenna tower with self-locking structure - Google Patents

Abstract

The utility model relates to a multi-dimensional adjustment antenna tower with a self-locking structure, belonging to the technical field of satellite communication equipment, comprising a tower body supported by at least three groups of support rods; , including the upper part of the tower, the middle part of the tower and the lower part of the tower; the first end face of the upper part of the tower is provided with a first flange, and the first flange is circumferentially provided with a number of first slots, the tower The second end face of the upper part is provided with a second flange, and the second flange is provided with a plurality of second slots in the circumferential direction. The utility model is used for installing a small low-orbit satellite measurement and control antenna, and its main structure is convenient for installation and transportation, and saves costs; the overall structure has the functions of azimuth zero adjustment and large plate level adjustment; it is suitable for the installation of rotators with different fixed hole positions; There are two installation methods, the pitch rotator and the pitch rotator, to meet the needs of different heights, and can be connected with two specifications of square aluminum alloy trusses.

Description

A multi-dimensional adjustment antenna tower with self-locking structure

technical field

The utility model belongs to the technical field of satellite communication equipment, in particular to a multi-dimensional adjustment antenna tower with a self-locking structure.

Background technique

Small satellite ground stations in UHF/VHF frequency band mostly use Yagi directional antennas for wireless signal transmission and reception. Satellite ground stations are often arranged in remote places, and antennas are erected in unshaded places such as roofs or mountain tops. The antenna tower is often the largest and heaviest component of the ground station, which affects the efficiency and cost of transportation and erection. At present, there are two main installation methods for the azimuth and pitch motors on the antenna tower. Mode 1: The azimuth motor and the pitch motor are installed on the top of the antenna tower together; Mode 2: Separate mode, that is, the azimuth motor is installed at the lower part of the antenna tower, the pitch motor is installed at the upper part of the antenna tower, and the azimuth motor and the pitch motor are connected through the azimuth axis. .

After a long period of practical application, the antenna tower in the prior art is found to have the following shortcomings:

(1) Most of the existing antenna towers are integral structures, which are inconvenient for installation, transportation and hoisting;

(2) There is a single way to install the rotator, and it is generally only suitable for the top installation of the rotator;

(3) Only used for a certain size of the spinner;

(4) It is inconvenient to adjust the azimuth zero point and the horizontal adjustment of the large plate;

(5) The height is fixed and cannot be matched with the standard parts, and the height can be changed flexibly.

For example, the Chinese patent with the authorization announcement number CN201845861U discloses a wireless communication transmitter antenna tower. The tower body includes a base, a lower support rod, an adjustable support rod and an upper support rod, wherein the lower support rod is connected with the base and the lower support rod The support rod is provided with a radial fixed through hole, and the adjustable support rod is provided with a radial adjustment through hole. The adjustable support rod is inserted into the lower support rod, and is inserted into the fixed through hole and the adjustment through hole at the same time through bolts for fixing. The total number of the fixed through holes and the adjustment through holes is at least three, and the upper support rod is connected with the adjustable support rod. The utility model can adjust the height as required, and can be flexibly adapted to the use environment. However, the utility model does not have the function of adjusting the angle and level.

In addition, the Chinese patent with the authorization announcement number CN202227766U discloses an all-steel composite communication tower, which mainly includes a tower body connected by steel, and the communication tower is provided with lightning rods, ribs, antenna brackets, connecting bolts, flanges, etc. It is characterized in that: the flanges on the tower body are arranged parallel to the ground plane, and the tower body is a frame structure formed by using straight seam welded steel pipes; and are connected into one body through flange combination; the section of the tower body is a triangular structure with high stability. The utility model has simple process control, is easy to realize large-scale mass production, adopts a pipe structure with stronger strength than the corresponding angle steel structure, reduces the tower weight, reduces the number of processed parts, and is easy to transport, manufacture and install. But the utility model still does not have the function of adjusting the angle and level.

Therefore, it is necessary to improve the existing technology to obtain an antenna tower that is convenient for storage and transportation, and has the functions of azimuth zero adjustment and large pan level adjustment, so as to improve its use effect and economical practicability.

In addition, on the one hand, there are differences in the understanding of those skilled in the art; on the other hand, because the inventor has studied a large number of documents and patents when making the present utility model, but the space limit does not list all the details and contents in detail. The present invention does not have the features of the prior art, on the contrary, the present invention already possesses all the features of the prior art, and the applicant reserves the right to add relevant prior art to the background art.

Utility model content

In view of the deficiencies of the prior art, the present invention provides a multi-dimensional adjustment antenna tower with a self-locking structure, which includes a tower body supported by at least three groups of struts, and the tower body is a detachable three-section split structure , including the upper part of the tower, the middle part of the tower and the lower part of the tower; the first end face of the upper part of the tower is provided with a first flange, and the first flange is circumferentially provided with a number of first slots, and the tower is The second end surface of the upper part is provided with a second flange plate, and the second flange plate is provided with a number of second slot holes in the circumferential direction; the first end surface of the middle part of the tower is provided with the second end surface of the upper part of the tower frame. Several first bolt holes corresponding to the second slot holes, the second end face of the middle part of the tower is provided with several second bolt holes; the first end face of the lower part of the tower is provided with There are several third bolt holes corresponding to the second bolt holes on the second end face of the tower, and a plurality of fourth bolt holes are provided on the second end face of the lower part of the tower.

According to a preferred embodiment, the first flange and the second flange on the upper part of the tower are fixedly connected through the support rod, and the support rod is along the first flange and/or Or the second flanges are arranged at equal intervals in the circumferential direction.

According to a preferred embodiment, the first slot holes are equidistantly distributed on the first flange along the circumferential direction, and the first slot holes run radially along the radial direction of the first flange. .

According to a preferred embodiment, the second slot holes are equidistantly distributed on the second flange along the circumferential direction, and the second slot holes are arc-shaped along the circumferential direction of the second flange. towards.

According to a preferred embodiment, the first end face and the second end face of the middle part of the tower are rectangular end faces, the rectangular end faces are fixedly connected by at least four sets of the struts, and the second end face of the middle part of the tower frame is provided with There is a removable azimuth motor fixing plate.

According to a preferred embodiment, a tube shaft hole is provided in the middle of the azimuth motor fixing plate, and a plurality of equidistantly arranged fixing holes are arranged on the periphery of the tube shaft hole along its circumferential direction.

According to a preferred embodiment, the first end face and the second end face of the lower part of the tower are rectangular end faces, and the rectangular end faces are fixedly connected by at least four sets of the struts.

According to a preferred embodiment, a plurality of diagonally-pulled reinforcing rods are arranged between the adjacent struts at the lower part of the tower.

According to a preferred embodiment, a pressurized self-locking gasket is installed between the connecting parts of the tower body.

According to a preferred embodiment, the pressure self-locking gasket is U-shaped, and its two ends are provided with warped edges protruding from its overall cross-section.

The multi-dimensional adjustment antenna tower with a self-locking structure provided by the present invention has at least one of the following advantages:

(1) By setting the antenna tower as a multi-section socketable structure, it is convenient for installation and transportation, and costs are saved;

(2) By setting the pressure self-locking gasket structure, it is convenient to adjust the azimuth zero and the horizontal adjustment of the large plate;

(3) By setting the first slot hole and the second slot hole, it can be applied to the installation of the rotator with different fixed hole positions;

(4) By setting the azimuth motor fixing plate in the middle of the tower, two installation methods of azimuth and pitch rotator can be provided to meet the installation needs of different heights.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the structural representation of the upper part of the tower of the present utility model;

Fig. 3 is the bottom view of the upper part of the tower of the present utility model;

Fig. 4 is the three views of the self-locking gasket under pressure of the present invention;

Figure 5 is a perspective view of the self-locking gasket under pressure of the present invention; and

Figure 6 is a schematic diagram of the transport and storage mode of the present invention.

List of reference signs

1: Upper tower 2: Middle tower 3: Lower tower

4: Support rod 5: The first flange 6: The first slot

7: The second flange 8: The second slot 9: The first bolt hole

10: Second bolt hole 11: Third bolt hole 12: Fourth bolt hole

13: Azimuth motor fixing plate 14: Tube shaft hole 15: Fixing hole

16: Oblique-pull reinforcement rod 17: Self-locking gasket under pressure 18: Warped edge

Detailed ways

The following detailed description is given in conjunction with the accompanying drawings.

Example 1

As shown in Figures 1 and 6, the present invention provides a multi-dimensional adjustment antenna tower with a self-locking structure, comprising a tower body supported by at least three groups of struts 4, and the tower body is a detachable three-section split The body structure includes the upper part 1 of the tower, the middle part 2 of the tower and the lower part 3 of the tower. The first end face of the upper part 1 of the tower is provided with a first flange 5 , and the first flange 5 is provided with a plurality of first slots 6 in the circumferential direction. The second end face of the upper part 1 of the tower is provided with a second flange 7 , and the second flange 7 is provided with a plurality of second slots 8 in the circumferential direction. The first end surface of the middle part 2 of the tower is provided with a plurality of first bolt holes 9 corresponding to the second slot holes 8 on the second end surface of the upper part 1 of the tower. The second end face of the middle part 2 of the tower is provided with a plurality of second bolt holes 10 . The first end surface of the lower part 3 of the tower is provided with a plurality of third bolt holes 11 corresponding to the second bolt holes 10 on the second end surface of the middle part 2 of the tower. The second end face of the lower part 3 of the tower is provided with a plurality of fourth bolt holes 12 . Preferably, the first end face and the second end face of the middle part of the tower are formed by a rectangular frame structure, and the brackets are respectively connected to the frame corners thereof. Preferably, the bracket is fixedly connected to the frame structure of the end face and the flange by welding. Preferably, the material of the bracket and the end face frame structure is 304 stainless steel, Q235B and/or aluminum alloy angle steel, and the material of the first flange and the second flange is 304 stainless steel, Q235B and/or aluminum Alloy plate. Preferably, the sections of the towers are connected to each other by bolts. When storing and transporting, the tower body can be disassembled into a three-part tower and assembled together to reduce the storage and transport volume.

The antenna tower is preferably aimed at a typical small spinner - the G5500 type spinner. The overall shape of the antenna tower is "upper circle below", and the installed waterproof box does not protrude from the outer edge of the second flange, so that the cable can smoothly rotate with the antenna without being caught by the edges and corners and the waterproof box. According to the overall height of the antenna, the lower part of the antenna tower can be connected with the standard aluminum alloy truss, which not only takes advantage of the lightweight and modular advantages of the truss, but also gives full play to the professional characteristics of the antenna tower itself. Antenna turns.

According to a preferred embodiment, as shown in FIG. 1 , the first flange 5 and the second flange 7 of the upper part 1 of the tower are fixedly connected through the support rod 4 . The struts 4 are arranged at equal intervals along the circumference of the first flange 5 and/or the second flange 7 . The above structural arrangement can realize the overall structural stability of the upper part of the tower, ensure that the first flange and the second flange are parallel to each other, and improve the reliability and stability of the working plane of the spinner. The diameter of the first flange is smaller than the diameter of the second flange.

According to a preferred embodiment, as shown in FIGS. 2 and 3 , the first slot holes 6 are equally spaced on the first flange 5 along the circumferential direction. The first slot holes 6 run radially along the radial direction of the first flange 5 . By arranging the radially oriented first slot holes, the installation of azimuth motors and/or pitch motors with different hole distances can be adapted, so as to take into account the rotators of other sizes. Preferably, rough treatment is performed on the first slot hole to ensure that the azimuth motor or the pitch motor does not slide relative to each other after installation, and to ensure its working stability. Preferably, the first slot holes are located between the adjacent brackets, so as to prevent the brackets from interfering with the first slot holes and facilitate the installation of the rotator.

According to a preferred embodiment, the second slot holes 8 are equidistantly distributed on the second flange 7 along the circumferential direction. The second slot 8 runs in an arc shape along the circumferential direction of the second flange 7 . By arranging the arc-shaped second slot hole, the zero point fine adjustment of the azimuth axis can be performed to overcome the possible angular deviation of the tower base position. Preferably, rough treatment is performed on the second slot hole to ensure that the azimuth motor does not slide relative to each other after installation, so as to ensure its working stability. Preferably, the center of the arc-shaped second slot is the same as the center of the second flange.

According to a preferred embodiment, as shown in FIG. 1 , the first end face and the second end face of the middle part 2 of the tower are rectangular end faces, and the rectangular end faces are fixedly connected by at least four groups of the struts 4 , and the tower frame A detachable azimuth motor fixing plate 13 is provided on the second end surface of the middle part 2 . By arranging the structure of the rectangular end face, the inner space of the middle part of the tower can be improved, and the installation of the azimuth motor is convenient. The azimuth and pitch motors can be separately installed by setting the azimuth motor fixing plate with innovative points. According to the background art, at present, there are mainly two installation methods for the azimuth and pitch motors on the antenna tower. Mode 1: The azimuth motor and the pitch motor are installed on the top of the antenna tower together; Mode 2: Separate mode, the azimuth motor is at the bottom and the pitch motor is at the top, and the two are connected through the azimuth axis. When installing in the second method, the inside of the first flange is used for placing the nylon neck. The azimuth motor is installed on the azimuth motor fixing plate, the azimuth tube shaft is fixed on the azimuth motor through the clamp, the tube shaft passes through the nylon tube neck inside the first flange, and the pitch motor is fixed on the upper end of the tube shaft. The first method is relatively simple to install, but the center of gravity is high; when the second method is used for installation, it has the advantages of a low center of gravity and convenient adjustment of the zero value of the orientation. The utility model can realize the above two installation methods, is suitable for rotators of various specifications, and expands the use scene of the antenna tower; meanwhile, it can be mass-produced and the single cost is reduced.

According to a preferred embodiment, a tube shaft hole 14 is provided in the middle of the azimuth motor fixing plate 13 , and a plurality of fixed holes 15 are arranged at equal distances along the circumference of the tube shaft hole 14 . By setting the fixing holes on the fixing plate of the azimuth motor, the stable installation of the azimuth motor can be realized. Preferably, rough treatment is performed on the fixing hole to ensure that the azimuth motor does not slide relative to each other after installation, and to ensure its working stability.

According to a preferred embodiment, as shown in FIG. 1 , the first end face and the second end face of the lower part 3 of the tower are rectangular end faces, and the rectangular end faces are fixedly connected by at least four groups of the struts 4 . By setting the structure of the rectangular end face, a better installation and cooperation relationship can be formed with the second end face of the middle part of the tower, so as to ensure the stability and reliability of the overall structure. Preferably, the lower part of the tower can be fixed on a concrete floor or a channel steel base by means of bolts, or can also be fixed on an aluminum alloy truss in order to increase the height.

According to a preferred embodiment, as shown in FIGS. 1 and 6 , a plurality of diagonally-pulled reinforcing rods 16 are arranged between the adjacent struts 4 of the lower part 3 of the tower. By arranging several slanting reinforcing rods, on the one hand, the weight of the overall structure is increased, and on the other hand, the lower part of the tower can carry all the upper components while lowering its center of gravity, which can improve the overall stability of the antenna tower.

According to a preferred embodiment, as shown in FIGS. 4 and 5 , a self-locking gasket 17 under pressure is installed between the connecting parts of the tower body. After each part of the tower is installed, the top surface is often leveled, and the height of the four corners can be adjusted by adding a self-locking gasket under pressure, which can correct the horizontal error generated during the installation of the tower, and ensure that the rotator on the upper part of the tower can be adjusted. Always stay in a horizontal position. Preferably, the pressure self-locking gasket is a semi-circular ring-shaped sheet structure.

According to a preferred embodiment, as shown in FIGS. 4 and 5 , the self-locking gasket 17 under pressure is U-shaped, and its two ends are provided with warped edges 18 protruding from the overall cross-section. After each part of the tower body is installed, compare the horizontal positions of the bolts on each side, insert the pressure self-locking gasket into the bolt on the lower side, and add a number of pressure self-locking gaskets according to the error distance between the actual levels. The position of the lower side is raised to a horizontal position, and when the bolt is tightened, the warped edge of the U-shaped gasket will be flattened, thereby jamming the bolt rod and realizing the self-locking process.

In order to facilitate understanding, the working principle of a multi-dimensional adjustment antenna tower with a self-locking structure of the present invention will be described.

When using the multi-dimensional adjustment antenna tower with a self-locking structure of the present invention, the upper part of the tower, the middle part of the tower and the lower part of the tower are fixedly connected together by bolts. During the connection process, the tower can be observed at any time. In the horizontal state of the top surface of the tower, when either side is lower than the relative height of the other side, the height of the top surface of the tower can be adjusted by using a self-locking washer under pressure at the bolt, so as to realize the leveling process of the top surface of the tower body . By using the flange plate and pressure self-locking gasket installed with adjustable zero orientation, the antenna installation is more convenient and the antenna pointing accuracy is higher. In addition, the segmented structure also provides a flexible way to mount the antenna and rotator. For example, the rotator and antenna can be installed after assembling a complete tower; it is also possible to install the middle part of the tower + the lower part of the tower first, then install the antenna + rotator + the upper part of the tower, and finally install the antenna + rotator + The upper part of the tower is installed on the whole of "the middle part of the tower + the lower part of the tower". During the installation process, the installation and construction personnel do not need to perform higher-risk climbing operations, so as to reduce the danger during the installation of the tower body. , but also improve the efficiency of installation.

It should be noted that the above-mentioned specific embodiments are exemplary, and those skilled in the art can come up with various solutions inspired by the disclosure of the present invention, and these solutions also belong to the disclosure scope of the present invention and fall within the scope of the present invention. into the scope of protection of the present invention. It should be understood by those skilled in the art that the description of the present utility model and the accompanying drawings are illustrative rather than limiting to the claims. The protection scope of the present invention is defined by the claims and their equivalents.

Claims (10)

1. A multi-dimensional adjustable antenna tower with a self-locking structure comprises a tower body supported by at least three groups of supporting rods (4),

it is characterized in that the preparation method is characterized in that,

the tower body is of a detachable three-section split structure and comprises a tower upper part (1), a tower middle part (2) and a tower lower part (3);

a first flange plate (5) is arranged on a first end face of the upper part (1) of the tower frame, a plurality of first slotted holes (6) are formed in the circumferential direction of the first flange plate (5), a second flange plate (7) is arranged on a second end face of the upper part (1) of the tower frame, and a plurality of second slotted holes (8) are formed in the circumferential direction of the second flange plate (7);

a plurality of first bolt holes (9) corresponding to the second slotted holes (8) on the second end surface of the upper part (1) of the tower are formed in the first end surface of the middle part (2) of the tower, and a plurality of second bolt holes (10) are formed in the second end surface of the middle part (2) of the tower;

the first end face of the tower lower portion (3) is provided with a plurality of third bolt holes (11) corresponding to the second bolt holes (10) in the second end face of the tower middle portion (2), and the second end face of the tower lower portion (3) is provided with a plurality of fourth bolt holes (12).

2. A multi-dimensional antenna tower with a self-locking structure according to claim 1, wherein the first flange (5) and the second flange (7) of the upper tower part (1) are fixedly connected by the strut (4), and the strut (4) is arranged circumferentially at equal intervals along the first flange (5) and/or the second flange (7).

3. A multiple-dimensional antenna tower with self-locking structure according to claim 2, wherein the first slots (6) are equally circumferentially distributed on the first flange (5), and the first slots (6) are radially oriented along the radial direction of the first flange (5).

4. A multi-dimensional antenna tower with self-locking structure according to claim 3, wherein the second slots (8) are equally distributed on the second flange (7) along the circumferential direction, and the second slots (8) are in a circular arc shape along the circumferential direction of the second flange (7).

5. The multi-dimensional adjustment antenna tower with the self-locking structure as recited in claim 1, wherein the first end face and the second end face of the tower middle part (2) are rectangular end faces, the rectangular end faces are fixedly connected through at least four sets of the supporting rods (4), and a detachable azimuth motor fixing plate (13) is arranged on the second end face of the tower middle part (2).

6. The antenna tower with the self-locking structure and the multi-dimensional adjustment function according to claim 5, wherein a tube axis hole (14) is formed in the middle of the azimuth motor fixing plate (13), and a plurality of fixing holes (15) are formed in the periphery of the tube axis hole (14) and are arranged equidistantly along the circumference of the tube axis hole.

7. A multi-dimensional adjustable antenna tower with a self-locking structure according to claim 1, characterized in that the first and second end surfaces of the lower tower part (3) are rectangular end surfaces, which are fixedly connected by at least four sets of said struts (4).

8. The tower according to claim 7, wherein a plurality of diagonal braces (16) are provided between adjacent struts (4) of the lower tower portion (3).

9. The antenna tower with the self-locking structure for the multi-dimensional adjustment of the antenna tower as claimed in claim 1, wherein a compression self-locking gasket (17) is plugged between the connecting portions of the tower body.

10. The tower according to claim 9, wherein the compressed self-locking gasket (17) is U-shaped and has two ends provided with raised edges (18) protruding from the overall cross-section of the tower.

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