CN210778960U - Antenna support and communication base station - Google Patents

Abstract

The utility model provides an antenna support and a communication base station, wherein the antenna support comprises: an equipment fixing piece, a connecting piece and a locking device, the equipment fixing piece and the connecting piece are rotatably connected, and the connection between the equipment fixing piece and the connecting piece is rotatable The rotation axis is parallel to the horizontal plane; the locking device is connected with the equipment fixing piece and the connecting piece, and is used for locking the equipment fixing piece after the equipment fixing piece is rotated relative to the connecting piece, so as to prevent the equipment fixing piece from rotating. By rotating the equipment fixing piece relative to the connecting piece, the angle between the antenna and the horizontal plane can be adjusted, and then the locking device can lock the equipment fixing piece. The included angle between the planes can adjust the position of the antenna and improve the communication effect of the antenna.

Description

Antenna bracket and communication base station

technical field

The utility model relates to communication equipment technology, in particular to an antenna bracket and a communication base station.

Background technique

A communication base station generally includes an antenna and an antenna bracket. Signal transmission is performed between the antenna and the communication device. The antenna is generally installed on the wall of the building, and the antenna is connected to the wall through the antenna bracket.

The antenna bracket includes a pole, a first fixing piece and a second fixing piece. The pole is arranged perpendicular to the horizontal plane, and the pole is fixed on the wall of the building. The first fixing plate is provided with a first groove, and the second fixing piece is A second groove is provided, the holding rod is clamped between the first fixed sheet and the second fixed sheet, and the holding rod is accommodated in the hole enclosed by the first groove and the second groove; the first fixed sheet The antenna is connected with the second fixing piece by means of bolt connection; the antenna is installed on the first fixing piece or the second fixing piece to realize the connection between the antenna and the antenna support.

However, after the antenna is installed on the antenna bracket, it is difficult to adjust the position of the antenna, which affects the communication effect of the antenna.

Utility model content

Embodiments of the present invention provide an antenna support and a communication base station to solve the technical problem that after the antenna is installed on the antenna support, the position of the antenna is difficult to adjust and the communication effect of the antenna is affected.

This embodiment provides an antenna bracket, including: an equipment fixing member, a connecting member and a locking device, the equipment fixing member is used for installing an antenna, and the equipment fixing member and the connecting member are rotatably connected, and The rotation axis between the equipment fixing piece and the connecting piece is parallel to the horizontal plane; the locking device is connected with the equipment fixing piece and the connecting piece, for when the equipment fixing piece is relative to the connecting piece After being rotated, the device fixing member is locked to prevent the device fixing member from rotating; the connecting member is used for connecting with the fixing device.

In the above-mentioned antenna bracket, preferably, the locking device includes a locking bolt, an adjustment hole is provided on the device fixing member, the adjustment hole is in the shape of a circular arc, and the center of the adjustment hole is located on the rotation axis; The connecting piece is provided with a locking hole, and the locking bolt is penetrated in the locking hole and the adjusting hole.

In the above antenna bracket, preferably, the locking device includes a locking bolt, an adjustment hole is provided on the connecting piece, the adjustment hole is in the shape of a circular arc, and the center of the adjustment hole is located on the rotation axis; the A locking hole is provided on the device fixing member, and the locking bolt is penetrated in the locking hole and the adjusting hole.

In the above-mentioned antenna bracket, preferably, the device fixing member is provided with a first rotation hole, the connecting member is provided with a second rotation hole, and the center line of the first rotation hole and the second rotation hole are provided. The centerlines of the holes are arranged on the same line as the rotation axis, and the rotation bolts are inserted into the first rotation holes and the second rotation holes.

In the above-mentioned antenna bracket, preferably, the device fixing member includes a first plate body and a second plate body that are both perpendicular to the horizontal plane, the first plate body and the second plate body are arranged at intervals, and the The first plate body and the second plate body are both provided with a first rotating hole; the connecting piece has a third plate body, the second rotating hole is arranged on the third plate body, and the The third plate body is sandwiched between the first plate body and the second plate body.

In the above antenna support, preferably, the antenna support further comprises a base, the connecting member is connected to the base, and the base is connected to the fixing device through fixing bolts.

In the above-mentioned antenna support, preferably, the base includes a first fixing plate, a second fixing plate and a third fixing plate connecting the first fixing plate and the second fixing plate, which are arranged in parallel with the horizontal plane. The first fixing plate and the second fixing plate are spaced apart, the first fixing plate is provided with a first fixing hole, the second fixing plate is provided with a second fixing hole, the first fixing hole is It is arranged in line with the center line of the second fixing hole; the connecting piece is provided with a third fixing hole, and the adjusting bolt is passed through the first fixing hole, the second fixing hole and the third fixing hole inside the hole; the adjusting bolt is used for clamping the connecting piece between the first fixing plate and the second fixing plate.

In the above-mentioned antenna bracket, preferably, a plurality of protrusions are provided on the side of the first fixing plate facing the connecting member, and the plurality of protrusions are arranged on the same first arc at intervals, and all the protrusions are arranged on the same first arc. The center of the first arc is located on the center line of the first fixing hole; the side of the connecting piece facing the first fixing plate is provided with a plurality of grooves, and a plurality of the grooves are arranged at intervals on the side of the first fixing plate. on the same second arc, and the center of the second arc is located on the center line of the third fixing hole; each of the protrusions is clamped in one of the grooves.

In the above antenna support, preferably, the third fixing plate is connected to the fixing device through the fixing bolts.

An embodiment of the present invention further provides a communication base station, comprising: an antenna and the above-mentioned antenna bracket, wherein the antenna is connected with the device fixing member,

In the antenna bracket and the communication base station provided by the utility model, the antenna is installed on the equipment fixing piece, the equipment fixing piece and the connecting piece are rotatably connected, and the rotation axis between the equipment fixing piece and the connecting piece is parallel to the horizontal plane; the locking device Connect with the equipment fixing piece and the connecting piece; by rotating the equipment fixing piece relative to the connecting piece, the angle between the antenna and the horizontal plane can be adjusted, and then the locking device can lock the equipment fixing piece; and the antenna is connected to the wall through a pole In contrast, the included angle between the antenna and the vertical plane can be adjusted, thereby adjusting the position of the antenna, thereby improving the communication effect of the antenna.

Description of drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description The drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative work.

1 is a front view of an antenna support provided by an embodiment of the utility model;

Fig. 2 is a side view of the antenna support shown in Fig. 1;

FIG. 3 is a top view of the antenna support shown in FIG. 1 .

Description of reference numbers:

10: Equipment fixing parts;

20: connector;

30: Adjusting bolt;

40: base;

101: device connection board;

102: connecting hole;

103: the first plate body;

104: the second plate body;

105: locking bolt;

106: Turn the bolt;

107: adjustment hole;

401: the first fixing plate;

402: the second fixing plate;

403: the third fixing plate;

404: Bolt holes.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described above are a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1 is a front view of an antenna support provided by an embodiment of the utility model;

Fig. 2 is a side view of the antenna support shown in Fig. 1;

FIG. 3 is a top view of the antenna support shown in FIG. 1 .

Referring to FIGS. 1 to 3 , the present embodiment provides an antenna support, including: an equipment fixing member 10 , a connecting member 20 and a locking device, the equipment fixing member 10 is used for installing an antenna, and the connection between the equipment fixing member 10 and the connecting member 20 is A rotatable connection between the equipment fixing member 10 and the connecting member 20, and the rotation axis between the equipment fixing member 10 and the connecting member 20 is parallel to the horizontal plane; the locking device is connected with the equipment fixing member 10 and the connecting member 20, and is used for rotating the equipment fixing member 10 relative to the connecting member 20. The device fixing member 10 is locked behind to prevent the device fixing member 10 from rotating; the connecting member 20 is used for connecting with the fixing device.

In this embodiment, the device fixing member 10 can have various structures, as long as the antenna can be installed on the device fixing member 10 . Exemplarily, the device fixing member 10 may include a device connecting board 101 and a board body. The equipment connection board 101 is vertically arranged, and the equipment connection board 101 is connected with the antenna; one end of the board body can be connected with the equipment connection board 101 by welding or bolt connection, and the other end of the board body is connected with the connector 20; A plurality of connection holes 102 are provided at intervals on the equipment connection board 101, and equipment connection bolts are provided on the antenna, and the equipment connection bolts are penetrated in the connection holes 102 to realize the connection between the antenna and the equipment connection board 101, or equipment connection. A slider is provided on the board 101 , a chute is provided on the antenna, and the slider is slidably arranged in the chute, which can also realize the connection between the antenna and the device connection board 101 .

In this embodiment, the connecting member 20 can have various structures. For example, the connecting member 20 can be in the shape of a plate. The connecting member 20 is arranged perpendicular to the horizontal plane. It is fixed on the device holder 10 .

In this embodiment, the rotatable connection between the device fixing member 10 and the connection can be various, as long as it is ensured that the device fixing member 10 can be rotated relative to the connecting member 20 when the angle between the antenna and the vertical plane is adjusted. Can. Exemplarily, the connecting member 20 can be provided with a rotating hole whose center line is parallel to the horizontal plane, and correspondingly, a rotating shaft can be set on the equipment fixing member 10, and the rotating shaft is inserted into the rotating hole, so that the equipment fixing member 10 and the connecting member can be realized 20 connections between.

In this embodiment, the locking device is connected with the equipment fixing member 10 and the connecting member 20 , and the equipment fixing member 10 is locked after the equipment fixing member 10 is rotated. There may be many kinds of locking devices. For example, the locking device may include a locking pin. Correspondingly, a plurality of first locking holes are arranged at intervals on the device fixing member 10, and the plurality of first locking holes are arranged at intervals with the same circle center on the rotation axis. On the arc on the upper part; in the second locking hole provided on the connecting piece 20, after rotating the device fixing piece 10 to adjust the angle between the antenna and the vertical plane, the locking pin is passed through the first locking hole and the in the second locking hole, so as to realize the locking of the device fixing member 10 .

In this embodiment, the fixed device may be a wall or a frame for installing an antenna bracket. This embodiment does not limit the fixed device, and different fixed devices can be selected according to the installation position of the communication base station.

The installation process of the antenna bracket in this embodiment is to install the antenna on the equipment fixing member 10, then fix the connecting member 20 on the fixing equipment, and rotate the equipment fixing member 10 around the rotation axis to adjust the distance between the antenna and the vertical plane. Then, the device fixing member 10 is locked by the locking device, so as to prevent the device fixing member 10 from rotating relative to the connecting member 20 .

In the antenna bracket in this embodiment, the antenna is installed on the equipment fixing member 10, the equipment fixing member 10 and the connecting member 20 are rotatably connected, and the rotation axis between the equipment fixing member 10 and the connecting member 20 is parallel to the horizontal plane; The locking device is connected with the equipment fixing piece 10 and the connecting piece 20; by rotating the equipment fixing piece 10 relative to the connecting piece 20, the angle between the antenna and the horizontal plane can be adjusted, and then the locking device is made to lock the equipment fixing piece 10; and Compared with the connection between the antenna and the wall through a pole, the angle between the antenna and the vertical plane can be adjusted, thereby adjusting the position of the antenna, and improving the communication effect of the antenna.

Continuing to refer to FIGS. 1 to 3 , in an achievable manner, the locking device includes a locking bolt 105 , an adjustment hole 107 is provided on the equipment fixing member 10 , the adjustment hole 107 is in the shape of an arc, and the center of the adjustment hole 107 is located on the axis of rotation The connecting member 20 is provided with a locking hole, and the locking bolt 105 passes through the locking hole and the adjusting hole 107. In this way, the locking bolt 105 is tightened, so that the equipment fixing member 10 is pressed on the connecting member 20, and the rotation of the equipment fixing member 10 is prevented by the friction force between the equipment fixing member 10 and the connecting member 20; the equipment fixing member 10 can be locked. In any position, the precision of adjustment is improved. It should be noted that the adjusting hole 107 extends in a circular arc shape along the direction perpendicular to the horizontal plane on the connecting member 20 .

In other implementations, the locking device includes a locking bolt 105, an adjusting hole 107 is provided on the connecting member 20, the adjusting hole 107 is in the shape of a circular arc, and the center of the adjusting hole 107 is located on the rotation axis; the device fixing member 10 is provided with a locking hole , the locking bolt 105 is inserted through the locking hole and the adjusting hole 107 . The device fixing member 10 can be locked in any position, which improves the accuracy of adjustment.

In the above implementation manner, the device fixing member 10 is provided with a first rotation hole, the connecting member 20 is provided with a second rotation hole, and the center line of the first rotation hole and the center line of the second rotation hole are both collinear with the rotation axis The rotating bolts 106 are arranged in the first rotating hole and the second rotating hole. For the rotatable connection between the equipment fixing member 10 and the connecting member 20 by rotating the bolt 106, after the locking device locks the equipment fixing member 10, the rotating bolt 106 can be tightened to make the equipment fixing member 10 press the connecting member 20, and further Prevent the equipment fixing member 10 from rotating relative to the connecting member 20; in addition, tighten the rotating bolt 106 to make the equipment fixing member 10 press the connecting member 20, and also avoid the gap between the equipment fixing member 10 and the connecting member 20 during use Shake occurs, so as not to affect the antenna work.

1-3, further, the equipment fixing member 10 includes a first plate body 103 and a second plate body 104 that are both perpendicular to the horizontal plane. The first plate body 103 and the second plate body 104 are spaced apart. Both the plate body 103 and the second plate body 104 are provided with a first rotating hole; the connecting member 20 has a third plate body, the second rotating hole is arranged on the third plate body, and the third plate body is sandwiched between the first plate body between the plate body 103 and the second plate body 104 . The third plate body is sandwiched between the first plate body 103 and the second plate body 104, and the first plate body 103 and the second plate body 104 are both provided with first rotation holes, which can improve the connection between the equipment fixing member 10 and the connecting member. connection strength between 20.

Specifically, when the adjustment holes 107 are arranged on the equipment fixing member 10, the adjustment holes 107 can be located on the first plate body 103 and the second plate body 104, and the corresponding locking holes are arranged on the third plate body; The adjusting holes 107 on the first plate body 103 and the second plate body 104 and the locking holes on the third plate body are provided. When the adjusting hole 107 is provided on the connecting member 20, the adjusting hole 107 is provided on the third plate body, correspondingly, locking holes are provided on both the first plate body 103 and the second plate body 104, and the locking bolt 105 is passed through the third plate body. The locking holes on the first plate body 103 and the second plate body 104 and the adjustment holes 107 on the third plate body are inside.

1-3, in this embodiment, the antenna support further includes a base 40, the connector 20 is connected to the base 40, and the base 40 is connected to the fixing device through fixing bolts. The connector 20 is connected to the fixing device through the base 40 .

1-3, specifically, the base 40 includes a first fixing plate 401, a second fixing plate 402 and a third fixing plate 403 connecting the first fixing plate 401 and the second fixing plate 402, which are arranged in parallel with the horizontal plane, The first fixing plate 401 and the second fixing plate 402 are arranged at intervals, the first fixing plate 401 is provided with a first fixing hole, the second fixing plate 402 is provided with a second fixing hole, the first fixing hole and the second fixing hole The center lines of the two parts are arranged collinearly; the connecting member 20 is provided with a third fixing hole, and the adjusting bolt 30 is penetrated in the first fixing hole, the second fixing hole and the third fixing hole; the adjusting bolt 30 is used to make the first fixing plate 401 and the second fixing plate 402 clamp the connector 20 . By rotating the connecting piece 20 around the center line of the adjusting bolt 30, the positions of the connecting piece 20, the device fixing piece 10 and the antenna in the horizontal plane can be adjusted to further adjust the position of the antenna and improve the communication effect of the antenna.

The center lines of the first fixing hole, the second fixing hole, the third fixing hole and the adjusting bolt 30 are all perpendicular to the horizontal plane.

Exemplarily, the connecting piece 20 is in the shape of a plate, and the end of the connecting piece 20 is bent to form a bent portion, connecting ears are provided on both sides of the bent portion, each connecting ear is provided with a third fixing hole, the first The fixing plate 401 and the second fixing plate 402 are sandwiched on the outside of the two connecting ears, and the adjusting bolts 30 are inserted in the first fixing holes, the second fixing holes and the third fixing holes; A fixing plate 401 presses one connecting ear, and the second fixing plate 402 presses the other connecting ear, so as to prevent the connecting member 20 from rotating relative to the base 40 .

Preferably, a plurality of protrusions are provided on the side of the first fixing plate 401 facing the connecting member 20 , the plurality of protrusions are arranged on the same first circular arc at intervals, and the center of the first circular arc is located at the center of the first fixing hole. On the center line; a plurality of grooves are provided on the side of the connector 20 facing the first fixing plate 401, and the plurality of grooves are arranged on the same second arc at intervals, and the center of the second arc is located in the third fixing hole on the center line; each protrusion is clamped in a groove. In this way, after tightening the adjusting bolt 30 to make the first fixing plate 401 and the second fixing plate 402 clamp the connecting piece 20 , each protrusion on the first fixing plate 401 is clamped in a groove on the connecting piece 20 , so as to further prevent the connecting piece 20 from rotating, so as to prevent the connecting piece 20 from rotating during use, resulting in the change of the position of the antenna, thereby affecting the operation of the antenna. It should be noted that, in order to ensure that the first protrusion is clamped in each groove, the radii of the first circular arc and the second circular arc are equal.

In this embodiment, the third fixing plate 403 is connected to the fixing device through fixing bolts. Specifically, the third fixing plate 403 is provided with a bolt hole 404 , and the fixing bolt is penetrated in the bolt hole 404 and connected with the fixing device, so as to facilitate the disassembly and assembly of the antenna bracket. Preferably, there may be a plurality of bolt holes 404, the plurality of bolt holes 404 are arranged on the third fixing plate 403 at intervals, and each bolt hole 404 is provided with a fixing bolt, and the plurality of fixing bolts can improve the third fixing plate The strength of the connection between the 403 and the fixed equipment.

The installation process of the antenna bracket provided in this embodiment is as follows: install the antenna on the equipment fixing member 10, then install the third fixing plate 403 of the base 40 on the fixing equipment; rotate the equipment fixing member 10 around the rotation axis to adjust the antenna The angle between the vertical plane and the locking bolt 105 and the rotation bolt 106 are tightened, so that the first plate body 103 and the second plate body 104 in the equipment fixing member 10 clamp the third plate body, and the third plate body passes through the third plate body. The friction between the body and the first plate body 103 and the second plate body 104 prevents the device fixing member 10 from rotating relative to the connecting member 20; then, by rotating the connecting member 20 around the adjusting bolt 30, the position of the antenna in the horizontal plane is adjusted, To further adjust the position of the antenna, then tighten the adjustment bolt 30 so that the first fixing plate 401 and the second fixing plate 402 on the base 40 clamp the connecting piece 20, and then connect the first fixing plate 401 and the second fixing plate The frictional force between 402 and the connecting piece 20 prevents the connecting piece 20 from rotating, so as to complete the installation of the antenna bracket.

Continuing to refer to FIG. 1 to FIG. 3 , in other embodiments, a communication base station is also provided, including: an antenna and an antenna bracket, and the antenna is connected to the device fixing member 10 . The structure of the antenna bracket is substantially the same as that of the antenna bracket in the above-mentioned embodiment, and details are not described herein again.

In the communication base station provided in this embodiment, the antenna is installed on the equipment fixing member 10, the equipment fixing member 10 and the connecting member 20 are rotatably connected, and the rotation axis between the equipment fixing member 10 and the connecting member 20 is parallel to the horizontal plane; The locking device is connected with the equipment fixing piece 10 and the connecting piece 20; by rotating the equipment fixing piece 10 relative to the connecting piece 20, the angle between the antenna and the horizontal plane can be adjusted, and then the locking device is made to lock the equipment fixing piece 10; and Compared with the connection between the antenna and the wall through a pole, the angle between the antenna and the vertical plane can be adjusted, thereby adjusting the position of the antenna, and improving the communication effect of the antenna.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" ", "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated A device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

It should be noted that, in the description of the present invention, the terms "first" and "second" are only used to facilitate the description of different components, and should not be construed as indicating or implying a sequence relationship, relative importance, or implicitly indicating the Indicates the number of technical characteristics. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature.

In the present utility model, unless otherwise expressly specified, terms such as "installation", "connection", "connection", "fixing" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integral molding, it can be mechanical connection, electrical connection or communication with each other; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two components or the interaction relationship between the two components, unless otherwise expressly qualified. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, but not to limit them; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that : it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the various embodiments of the present utility model Scope of technical solutions.

Claims (10)

1. An antenna stand, comprising: the antenna fixing device comprises an equipment fixing piece, a connecting piece and a locking device, wherein the equipment fixing piece is used for mounting an antenna, the equipment fixing piece is rotatably connected with the connecting piece, and a rotating axis between the equipment fixing piece and the connecting piece is parallel to a horizontal plane; the locking device is connected with the equipment fixing part and the connecting part and is used for locking the equipment fixing part after the equipment fixing part rotates relative to the connecting part so as to prevent the equipment fixing part from rotating; the connecting piece is used for being connected with the fixed equipment.

2. The antenna bracket according to claim 1, wherein the locking device comprises a locking bolt, the device fixing member is provided with an adjusting hole, the adjusting hole is in a circular arc shape, and the center of the adjusting hole is located on the rotating axis; the connecting piece is provided with a locking hole, and the locking bolt penetrates through the locking hole and the adjusting hole.

3. The antenna bracket according to claim 1, wherein the locking device comprises a locking bolt, an adjusting hole is formed in the connecting piece, the adjusting hole is in a circular arc shape, and the center of the adjusting hole is located on the rotating axis; the equipment fixing piece is provided with a locking hole, and the locking bolt penetrates through the locking hole and the adjusting hole.

4. The antenna bracket according to any one of claims 1 to 3, wherein a first rotating hole is formed in the device fixing member, a second rotating hole is formed in the connecting member, a center line of the first rotating hole and a center line of the second rotating hole are both arranged in a collinear manner with the rotating axis, and a rotating bolt is inserted into the first rotating hole and the second rotating hole.

5. The antenna bracket according to claim 4, wherein the device fixing member comprises a first plate body and a second plate body which are both perpendicular to a horizontal plane, the first plate body and the second plate body are arranged at intervals, and first rotating holes are formed in the first plate body and the second plate body; the connecting piece is provided with a third plate body, the second rotating hole is formed in the third plate body, and the third plate body is clamped between the first plate body and the second plate body.

6. An antenna stand according to any one of claims 1-3, further comprising a base, wherein the connector is connected to the base, and the base is connected to the fixture via a fixing bolt.

7. The antenna bracket according to claim 6, wherein the base comprises a first fixing plate, a second fixing plate and a third fixing plate, the first fixing plate and the second fixing plate are arranged in parallel to a horizontal plane, the third fixing plate is connected with the first fixing plate and the second fixing plate, the first fixing plate and the second fixing plate are arranged at intervals, a first fixing hole is formed in the first fixing plate, a second fixing hole is formed in the second fixing plate, and the first fixing hole and a central line of the second fixing hole are arranged in a collinear manner; a third fixing hole is formed in the connecting piece, and adjusting bolts penetrate through the first fixing hole, the second fixing hole and the third fixing hole; the adjusting bolt is used for enabling the first fixing plate and the second fixing plate to clamp the connecting piece.

8. The antenna bracket according to claim 7, wherein a plurality of protrusions are arranged on a side surface of the first fixing plate facing the connecting piece, the plurality of protrusions are arranged on a same first circular arc at intervals, and a center of the first circular arc is located on a center line of the first fixing hole; a plurality of grooves are formed in the side face, facing the first fixing plate, of the connecting piece, the grooves are arranged on the same second arc at intervals, and the circle center of the second arc is located on the central line of the third fixing hole; each protrusion is clamped in one groove.

9. The antenna stand of claim 7, wherein the third fixing plate is connected to the fixing device by the fixing bolt.

10. A communication base station, comprising: an antenna and an antenna stand as claimed in any one of claims 1 to 9, the antenna being connected to the device holder.

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