Antenna support convenient to stretch, retract and rotate

Abstract

The utility model discloses an antenna support convenient to telescope and rotate, which is arranged on an iron tower and relates to the technical field of base station antennas. Comprising a rotating mechanism, a telescopic mechanism and a fixing mechanism, the rotating mechanism is fixed on the iron tower through the fixing mechanism; the telescopic mechanism is fixedly connected with the rotating mechanism; the rotating mechanism and the telescopic mechanism are used for controlling the position change of the antenna; and the fixing mechanism is used for fixing the antenna bracket on an iron tower. The rotating mechanism and the telescopic mechanism are combined, so that the convenience and safety of pulling the antenna holding pole to the tower body ladder stand are improved, the use requirements of the ladder stand in all directions of the tower body are met, and the working difficulty of GPS antenna installation and later maintenance is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of base station antennas, in particular to an antenna bracket that is convenient for telescoping and rotating. Background Art

[0002] An antenna bracket is a component used for installing base station antennas and is essential in base station construction. To meet the requirements for GPS antenna signal reception, it is required that the GPS antenna be installed at a position more than 1.5 meters away from the tower body and there be no obstruction to the south, which makes it very inconvenient to install the GPS antenna. Although a stronger bracket can enable people to install on the bracket, it will greatly waste steel and bring unnecessary additional loads to the iron tower. Similarly, it is also relatively difficult to perform post-maintenance on the GPS antenna device. Content of the Utility Model

[0003] The utility model provides an antenna bracket that is convenient for telescoping and rotating. The combination of a rotating mechanism and a telescoping mechanism improves the convenience and safety of pulling the antenna mast closer to the tower body ladder, meets the usage requirements for ladders located in various directions of the tower body, and reduces the work difficulty of GPS antenna installation and post-maintenance.

[0004] The utility model provides an antenna bracket that is convenient for telescoping and rotating. It is arranged on an iron tower and includes: a rotating mechanism, a telescoping mechanism, and a fixing mechanism;

[0005] The rotating mechanism is fixed to the iron tower through the fixing mechanism; the telescoping mechanism is fixedly connected to the rotating mechanism;

[0006] The rotating mechanism and the telescoping mechanism are used to control the position transformation of the antenna; the fixing mechanism is used to fix the antenna bracket to the iron tower.

[0007] Preferably, the rotating mechanism includes a rotating shaft, a shaft bracket, and a limit ring;

[0008] One end of the rotating shaft is fixed to the iron tower through the fixing mechanism;

[0009] The number of the limit rings is set to 2, and the 2 limit rings are arranged at intervals on the rotating shaft;

[0010] The shaft bracket is arranged outside the rotating shaft and is clamped between the 2 limit rings, and the rotation angle is limited by the limit rings;

[0011] The shaft bracket is fixedly connected to the telescoping mechanism.

[0012] Preferably, the shaft bracket is of a symmetric structure, and both sides are provided with limit grooves and first fixing holes;

[0013] The limiting ring is a symmetric structure that rotatably fits with one side of the shaft bracket, and is provided with a keyway, a second fixing hole, and a protruding block;

[0014] The limiting ring is used to limit the shaft bracket to rotate 90° bidirectionally.

[0015] Preferably, two keyways are symmetrically arranged; when the shaft bracket rotates 90° in any direction, the limiting groove on one side is engaged with one of the keyways;

[0016] Two first fixing holes and two second fixing holes are symmetrically arranged; when the limiting groove on one side is engaged with one of the keyways, the first fixing hole and the second fixing hole on the same side are in alignment, and are fixed and limited by a bolt structure.

[0017] Preferably, the shaft bracket further includes a bracket flange, and the telescopic mechanism is fixedly connected to the bracket flange.

[0018] Preferably, the rotating mechanism further includes an anti - detachment ring, and the anti - detachment ring is fixedly arranged at the other end of the rotating shaft.

[0019] Preferably, the telescopic mechanism includes a support arm bracket, a U - shaped track groove, a support arm, a holding rod, a fixing pin, an anti - detachment pin, and a handle;

[0020] The support arm bracket is fixedly connected to the bracket flange;

[0021] The number of the U - shaped track grooves is set to 2, and both are fixedly arranged on the support arm bracket;

[0022] The support arm is telescopically arranged in the two U - shaped track grooves;

[0023] The holding rod and the handle are respectively arranged at both ends of the support arm;

[0024] The support arm is connected to the support arm bracket through the fixing pin;

[0025] The anti - detachment pin is fixedly arranged in the middle of the support arm to prevent the support arm from derailing during the telescopic process.

[0026] Preferably, the fixing mechanism includes a hoop; the hoop is fixedly arranged around the iron tower; one end of the rotating shaft is fixedly connected to the hoop.

[0027] Preferably, the fixing mechanism further includes a fixing seat, and one end of the rotating shaft is fixedly connected to the hoop through the fixing seat.

[0028] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0029] The present utility model discloses an antenna bracket that is convenient for telescoping and rotating. The combination of a rotating mechanism and a telescoping mechanism improves the convenience and safety of pulling the antenna pole closer to the tower ladder, meets the usage requirements for ladders located in various directions of the tower, and reduces the work difficulty of GPS antenna installation and subsequent maintenance. Description of the Drawings

[0030] Figure 1 FIG. 6 is a schematic diagram of the usage state of an antenna bracket that is convenient for telescoping and rotating provided by an embodiment of the present utility model;

[0031] Figure 2 FIG. 10 is a schematic diagram of the rotating mechanism of an antenna bracket that is convenient for telescoping and rotating provided by an embodiment of the present utility model;

[0032] Figure 3 FIG. 14 is a partially enlarged view of the telescoping mechanism of an antenna bracket that is convenient for telescoping and rotating provided by an embodiment of the present utility model;

[0033] Figure 4 FIG. 18 is a top view of the usage state of an antenna bracket that is convenient for telescoping and rotating provided by an embodiment of the present utility model;

[0034] Figure 5 FIG. 22 is a schematic diagram of the second state of an antenna bracket that is convenient for telescoping and rotating provided by an embodiment of the present utility model;

[0035] Figure 6 FIG. 26 is a top view of the second state of an antenna bracket that is convenient for telescoping and rotating provided by an embodiment of the present utility model;

[0036] Figure 7 FIG. 30 is a schematic diagram of the third state of an antenna bracket that is convenient for telescoping and rotating provided by an embodiment of the present utility model;

[0037] Figure 8 FIG. 34 is a top view of the third state of an antenna bracket that is convenient for telescoping and rotating provided by an embodiment of the present utility model;

[0038] Figure 9 FIG. 38 is a schematic diagram of the shaft bracket of an antenna bracket that is convenient for telescoping and rotating provided by an embodiment of the present utility model;

[0039] Figure 10 FIG. 42 is a schematic diagram of the limit ring of an antenna bracket that is convenient for telescoping and rotating provided by an embodiment of the present utility model;

[0040] Description of reference numerals: 1. Rotating mechanism; 11. Rotating shaft; 12. Shaft bracket; 121. Limit groove; 122. First fixing hole; 123. Bracket flange; 13. Limit ring; 131. Keyway; 132. Second fixing hole; 133. Protruding block; 14. Anti-detachment ring; 2. Telescopic mechanism; 21. Boom bracket; 22. U-shaped track groove; 23. Boom; 24. Holding pole; 25. Fixing pin; 26. Anti-detachment pin; 27. Handle; 3. Fixing mechanism; 31. Hoop; 32. Fixed seat. Detailed implementation manners

[0041] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0042] See Figure 1 , an antenna bracket that is convenient for telescoping and rotating, is arranged on a tower, and includes: a rotating mechanism 1, a telescopic mechanism 2, and a fixing mechanism 3;

[0043] The rotating mechanism 1 is fixed to the tower through the fixing mechanism 3; the telescopic mechanism 2 is fixedly connected to the rotating mechanism 1;

[0044] The rotating mechanism 1 and the telescopic mechanism 2 are used to control the position transformation of the antenna; the fixing mechanism 3 is used to fix the antenna bracket to the tower.

[0045] Preferably, see Figure 2 , the rotating mechanism 1 includes a rotating shaft 11, a shaft bracket 12, and a limit ring 13;

[0046] One end of the rotating shaft 11 is fixed to the tower through the fixing mechanism 3;

[0047] The number of the limit rings 13 is set to 2, and the 2 limit rings 13 are arranged at intervals on the rotating shaft 11;

[0048] The shaft bracket 12 is arranged outside the rotating shaft 11 and is clamped between the 2 limit rings 13, and the rotation angle is limited by the limit rings 13;

[0049] The shaft bracket 12 is fixedly connected to the telescopic mechanism 2.

[0050] Preferably, see Figure 9 , the shaft bracket 12 is of a symmetrical structure, and limit grooves 121 and first fixing holes 122 are arranged on both sides;

[0051] See Figure 10 The limit ring 13 is a symmetric structure that rotatably fits with one side of the shaft bracket 12, and is provided with a keyway 131, a second fixing hole 132, and a protrusion 133;

[0052] The limit ring 13 is used to limit the shaft bracket from rotating bidirectionally by 90°.

[0053] Preferably, two keyways 131 are symmetrically arranged; when the shaft bracket 12 rotates 90° in any direction, one of the limit grooves 121 on one side engages with one of the keyways 131;

[0054] Two first fixing holes 122 and two second fixing holes 132 are symmetrically arranged; when one of the limit grooves 121 on one side engages with one of the keyways 131, the first fixing hole 122 and the second fixing hole 132 on the same side are aligned and fixed in position by a bolt structure.

[0055] Preferably, the shaft bracket 12 further includes a bracket flange 123, and the telescopic mechanism 2 is fixedly connected to the bracket flange 123.

[0056] Preferably, the rotating mechanism 1 further includes an anti - detachment ring 14, and the anti - detachment ring 14 is fixedly arranged at the other end of the rotating shaft 11.

[0057] In an embodiment of the above solution, the shaft bracket 12 is mounted on the rotating shaft 11 with two sets of bearings. The shaft bracket 12 is a symmetric structure, provided with a pair of limit grooves 121, two pairs of first fixing holes 122, and a bracket flange 123. The limit ring 13 is directly fixed to one end of the rotating shaft 11. The limit ring 13 is also a symmetric structure with a protruding front end. It is provided with a keyway 131 and a second fixing hole 132. The protruding front end is used to limit the rotation angle of the shaft bracket 12 to at most 90°. The keyway 131 is used to fix the limit ring 13 and can be symmetrically installed to achieve a two - way 90° limit. The bolt structure fixes the shaft bracket 12 to the limit ring 13 through the first fixing hole 122 and the second fixing hole 132. Both the shaft bracket 12 and the limit ring 13 can be symmetrically designed, enabling this antenna support to be installed on both sides of the tower body.

[0058] Preferably, see Figure 3 The telescopic mechanism 2 includes a support arm bracket 21, a U - shaped track groove 22, a support arm 23, a holding rod 24, a fixing pin 25, an anti - detachment pin 26, and a handle 27;

[0059] The support arm bracket 21 is fixedly connected to the bracket flange 123;

[0060] The number of U - shaped track grooves 22 is set to 2, and both are fixedly arranged on the support arm bracket 21;

[0061] The boom 23 is telescopically arranged in the two U-shaped track grooves 22;

[0062] The holding pole 24 and the handle 27 are respectively arranged at both ends of the boom 23;

[0063] The boom 23 is connected to the boom bracket 21 through the fixing pin 25;

[0064] The anti-disengagement pin 26 is fixedly arranged in the middle of the boom 23 to prevent the boom 23 from derailing during the telescopic process.

[0065] In an embodiment of the above solution, the boom bracket 21 is fixed to the shaft bracket 12 through the bracket flange 123, and two sets of U-shaped track grooves 22 are fixed thereon. U-groove bearings are arranged in the U-shaped track grooves 22 to clamp the boom 23 up and down, and the clamping tightness of the U-shaped track grooves 22 on the boom 23 can be adjusted by adjusting the U-groove bearings. The holding pole 24 is installed at the distal end of the boom 23, and the number of holding poles 24 can be increased as needed. The outer extension length of the boom 23 meets the requirement that the distance between the holding pole 24 and the tower body is not less than 1.5 meters. The handle 27 is arranged at the proximal end of the boom 23 to facilitate the operation of the boom 23 to move along the track. The boom bracket 21 is provided with fixing claws for fixing the boom 23 through the fixing pin 25 after the boom 23 extends. The anti-disengagement pin 26 is arranged in the middle of the boom 23 to prevent the boom 23 from derailing during the retraction process.

[0066] Preferably, the fixing mechanism 3 includes a hoop 31; the hoop 31 is fixedly arranged around the iron tower; one end of the rotating shaft 11 is fixedly connected to the hoop 31.

[0067] Preferably, the fixing mechanism 3 further includes a fixed seat 32, and one end of the rotating shaft 11 is fixedly connected to the hoop 31 through the fixed seat 32.

[0068] In an embodiment of the above solution, see Figures 4 to 8 ., the working process of an antenna bracket that is convenient for telescoping and rotating:

[0069] The initial state is the first state;

[0070] Remove the fixing pin 25, hold the handle 27 and pull back the boom 23 to become the second state;

[0071] Press down the proximal end of the boom 23, and the holding pole 24 at the distal end of the boom 23 will rise up and approach the ladder to become the third state;

[0072] After installing the antenna, lift the proximal end of the boom 23 to become the second state;

[0073] Hold the handle 27 and push out the boom 23, install the fixing pin 25, and become the first state.

[0074] The communication specification requires that there be no obstruction to the south of the GPS antenna and it be no less than 1.5 meters away from the tower body. However, not all of the tower ladders are installed on the south side of the tower body, which greatly increases the difficulty of installing the GPS antenna on the tower. For traditional fixed brackets, workers need to climb onto the brackets for installation, and the safety is poor. Moreover, when the tower ladder and the antenna bracket are exactly on both sides of the tower body, it is impossible to climb onto the bracket. For existing folding brackets, when the tower ladder and the antenna bracket are exactly on both sides of the tower body, the folding joints are also inconvenient to operate. The present utility model fundamentally solves the above problems. When the tower ladder is located on the east and north sides of the tower body, the bracket is installed on the east side of the tower body. When the tower ladder is located on the west and north sides of the tower body, the bracket is installed on the west side of the tower body. In both cases, the operation nodes are within easy reach, and workers can operate the bracket and install the antenna on the tower ladder.

[0075] The above is the preferred embodiment of the present utility model. It should be noted that for those of ordinary skill in the art of this technology, without departing from the principle of the present utility model, several improvements and refinements can be made, and these improvements and refinements are also regarded as the protection scope of the present utility model.

Claims

1. An antenna bracket that is easy to telescope and rotate, arranged on an iron tower, characterized in that: include: A rotating mechanism (1), a telescopic mechanism (2) and a fixing mechanism (3); The rotating mechanism (1) is fixed to the iron tower via the fixing mechanism (3); the telescopic mechanism (2) is fixedly connected to the rotating mechanism (1); The rotating mechanism (1) and the telescopic mechanism (2) are used to control the position change of the antenna; the fixing mechanism (3) is used to fix the antenna bracket on the iron tower; The rotating mechanism (1) comprises a rotating shaft (11), a shaft bracket (12) and a limiting ring (13); One end of the rotating shaft (11) is fixed to the iron tower via the fixing mechanism (3); The number of the limiting rings (13) is set to 2, and the two limiting rings (13) are arranged on the rotating shaft (11) at intervals; The shaft bracket (12) is arranged outside the rotating shaft (11) and is clamped between the two limiting rings (13), and the rotation angle is limited by the limiting rings (13); The shaft bracket (12) is fixedly connected to the telescopic mechanism (2).

2. The antenna bracket that is easy to telescope and rotate according to claim 1, characterized in that: The shaft bracket (12) is a symmetrical structure, with limiting grooves (121) and first fixing holes (122) provided on both sides; The limiting ring (13) is a symmetrical structure that is rotationally matched with one side of the shaft bracket (12), and is provided with a keyway (131), a second fixing hole (132) and a protruding block (133); The limiting ring (13) is used to limit the bidirectional rotation of the shaft bracket (12) by 90°.

3. The antenna bracket that is easy to telescope and rotate according to claim 2, characterized in that: Two key slots (131) are symmetrically arranged; when the shaft bracket (12) rotates 90 degrees in any direction, the limiting slot (121) on one side and one key slot (131) are mutually engaged; Two of the first fixing holes (122) and two of the second fixing holes (132) are symmetrically arranged; when the limiting groove (121) and one of the key grooves (131) on one side are mutually engaged, the positions of the first fixing hole (122) and the second fixing hole (132) on the same side are matched, and are fixed and limited by a bolt structure.

4. The antenna bracket that is easy to telescope and rotate according to claim 2, characterized in that: The shaft bracket (12) further comprises a bracket flange (123), and the telescopic mechanism (2) is fixedly connected to the bracket flange (123).

5. The antenna bracket that is easy to telescope and rotate according to claim 1, characterized in that: The rotating mechanism (1) further comprises an anti-slip ring (14), wherein the anti-slip ring (14) is fixedly arranged at the other end of the rotating shaft (11).

6. The antenna support that is convenient for telescopic rotation according to claim 4, characterized in that: The telescopic mechanism (2) comprises a support arm bracket (21), a U-shaped track groove (22), a support arm (23), a holding rod (24), a fixing pin (25), an anti-drop pin (26) and a handle (27); The support arm bracket (21) is fixedly connected to the bracket flange (123); The number of the U-shaped track grooves (22) is set to 2, and both are fixedly arranged on the support arm bracket (21); The support arm (23) is telescopically arranged in the two U-shaped track grooves (22); The holding rod (24) and the handle (27) are respectively arranged at two ends of the support arm (23); The support arm (23) is connected to the support arm bracket (21) via the fixing pin (25); The anti-drop pin (26) is fixedly arranged in the middle of the support arm (23) to prevent the support arm (23) from derailing during the extension and retraction process.

7. The antenna bracket that is easy to telescope and rotate according to claim 1, characterized in that: The fixing mechanism (3) comprises a hoop (31); the hoop (31) is fixed around the iron tower; and one end of the rotating shaft (11) is fixedly connected to the hoop (31).

8. The antenna support that is convenient for telescopic rotation according to claim 7, characterized in that: The fixing mechanism (3) further comprises a fixing seat (32), and one end of the rotating shaft (11) is fixedly connected to the clamp (31) via the fixing seat (32).

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