Mechanism for adjusting antenna

Abstract

The utility model relates to a mechanism for adjusting an antenna. The mechanism comprises a DC motor; the worm is connected with a rotating shaft of the direct current motor; the worm gear comprises a fan-shaped main body, worm teeth meshed with the worm are arranged at the end of the fan-shaped main body, and an output shaft is arranged at the end, away from the worm teeth, of the fan-shaped main body; a mounting rack, wherein the direct current motor is fixed on the mounting rack; the holding pole connecting frame is connected with the mounting frame and is used for connecting a vertical pole; and the antenna connecting frame is fixedly connected with the output shaft, and the direct current motor drives the worm to rotate to drive the worm gear to rotate by driving the worm to rotate, so that the antenna connecting frame rotates horizontally.

Description

TECHNICAL FIELD

[0001] The utility model relates to antenna installation equipment technical field especially relates to a mechanism for antenna adjustment. BACKGROUND

[0002] With the rapid development of mobile communication field, the application scene of communication base station is more and more extensive, and the requirement of communication quality is higher and higher. The transmission and reception of base station signal depend on antenna to realize. And the adjustment of horizontal azimuth angle of antenna influences the radiation direction of antenna, thereby influencing communication quality.

[0003] At present, the common antenna radiation direction adjustment mode is divided into horizontal angle adjustment and pitch angle adjustment. The adjustment of two azimuth angles is mostly adjusted when antenna is initially installed tower pole, and if adjustment is needed in later maintenance process, tower climbing operation is needed. This adjustment mode of tower climbing operation is low in efficiency, time-consuming and laborious and has certain dangerousness. UTILITARIAN CONTENT

[0004] In view of the above situation, it is necessary to propose a mechanism for antenna adjustment, which can realize remote control antenna body azimuth angle adjustment and avoid the danger of manual climbing.

[0005] In order to solve the above technical problem, the technical scheme adopted by the utility model is as follows: a mechanism for antenna adjustment, comprising:

[0006] A direct current motor;

[0007] A worm is connected with the rotating shaft of the direct current motor;

[0008] A worm wheel, the worm wheel comprises a sector main body, the end of the sector main body is provided with a worm gear engaged with the worm, and the end of the sector main body away from the worm gear is provided with an output shaft;

[0009] A mounting frame, the direct current motor is fixed on the mounting frame;

[0010] A pole connecting frame is connected with the mounting frame and used for connecting a vertical pole;

[0011] An antenna connecting frame is fixedly connected with the output shaft, and the direct current motor drives the worm to rotate and drives the worm wheel to rotate, so that the antenna connecting frame rotates horizontally.

[0012] Further, it further comprises a mounting box, the mounting box comprises a worm cavity and a worm wheel cavity in communication, the worm is arranged in the worm cavity, the worm wheel is arranged in the worm wheel cavity, and the end of the worm wheel cavity away from the worm cavity is provided with a limiting stopper.

[0013] Further, one end of the worm cavity is provided with a first bearing groove communicating with the worm cavity, and the other end is provided with a second bearing groove communicating with the worm cavity, the first bearing groove close to the DC motor is opened to the worm cavity, and the second bearing groove away from the DC motor is opened outward, and the second bearing groove away from the DC motor is provided with an end cover, and the end cover is connected with the mounting box through screwing.

[0014] Further, the worm cavity is provided with a shaft hole for the output shaft to pass out, and a third bearing groove is arranged at both ends of the shaft hole, and a third bearing is arranged in the third bearing groove.

[0015] Further, the output shaft is provided with a clamping groove close to the third bearing groove at one end away from the worm cavity, and a clamping spring is arranged in the clamping groove, and the clamping spring abuts against the end face of the third bearing located at one end away from the worm cavity.

[0016] Further, it further comprises a cover, the cover is connected with the mounting box and closes the worm cavity and the worm cavity, the cover is provided with a fourth bearing groove, the fourth bearing groove is provided with a fourth bearing, and the output shaft away from the antenna connecting frame is protruded from the fan-shaped body and matched with the fourth bearing.

[0017] Further, the end face of the mounting box is provided with a closed protrusion, and the cover is provided with an embedding groove matched with the protrusion.

[0018] Further, the central angle of the fan-shaped body is greater than 90° and less than 180°.

[0019] Further, the pole connecting frame comprises a first pole frame, a second pole frame and a spacing adjusting connecting piece, the first pole frame is fixedly connected with the mounting frame, the first pole frame is adjustably connected with the second pole frame through the spacing adjusting connecting piece, and the first pole frame and the second pole frame have pole clamping grooves at one end facing each other.

[0020] Further, the antenna connecting frame comprises a first frame body, a second frame body, a third frame body and a fourth frame body which are sequentially connected in the height direction, the first frame body is fixedly connected with the output shaft, and the fourth frame body is used for connecting an antenna box.

[0021] The utility model discloses the beneficial effect lies in: the DC motor is installed on the mounting frame, and the mounting frame is connected with the vertical rod through the pole connecting frame, the DC motor drives the worm to rotate, the worm drives the worm gear to rotate, and the output shaft of the worm gear is fixedly connected with the antenna connecting frame, so that the antenna connecting frame rotates horizontally. Remote horizontal angle adjustment can be carried out through the DC motor, and the danger of manual climbing is avoided. And the worm gear and the worm have self-locking characteristics, and can guarantee the stability of the horizontal angle of the antenna box after adjustment. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of a mechanism for antenna adjustment according to an embodiment of the present invention;

[0023] Figure 2 This is a partial structural schematic diagram of a mechanism for antenna adjustment according to an embodiment of the present invention;

[0024] Figure 3 This is a schematic diagram of the worm gear and turbine of a mechanism for antenna adjustment according to an embodiment of the present invention;

[0025] Figure 4 This is a schematic diagram of the structure of a mounting box for an antenna adjustment mechanism according to an embodiment of the present invention;

[0026] Figure 5 This is an exploded structural diagram of a part of the structure of a mechanism for antenna adjustment according to an embodiment of the present invention.

[0027] Label Explanation:

[0028] 100. DC motor; 110. Shaft; 111. Fifth bearing; 112. Bearing cap; 200. Worm gear;

[0029] 300. Worm gear; 310. Sector-shaped body; 320. Output shaft; 321. Snap ring; 400. Mounting bracket;

[0030] 500. Pole connecting frame; 510. First pole support frame; 520. Second pole support frame;

[0031] 530. Spacing adjustment connector; 600. Antenna connector; 610. First frame;

[0032] 620. Second frame; 630. Third frame; 640. Fourth frame; 700. Mounting box;

[0033] 710. Worm gear cavity; 711. First bearing groove; 712. First bearing; 713. Second bearing groove;

[0034] 714. Second bearing; 715. End cover; 720. Worm gear cavity; 721. Limiting block; 722. Shaft hole;

[0035] 723. Third bearing groove; 724. Third bearing; 730. Protrusion; 800. Cover;

[0036] 810, Fourth bearing groove; 820, Fourth bearing; 830, Insert groove. Detailed Implementation

[0037] In order to make the utility model purposes, technical solutions and advantages more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0038] Please install Figures 1-5 A mechanism for antenna adjustment, comprising:

[0039] DC motor 100;

[0040] Worm 200, the rotating shaft 110 of the DC motor 100 is connected;

[0041] Worm gear 300, the worm gear 300 includes a sector main body 310, the end of the sector main body 310 is provided with the worm gear that is engaged with the worm 200, and the end of the sector main body 310 away from the worm gear is provided with an output shaft 320;

[0042] Mounting bracket 400, the DC motor 100 is fixed on the mounting bracket 400;

[0043] The pole connecting frame 500 is connected with the mounting bracket 400 and is used for connecting the vertical pole;

[0044] Antenna connecting frame 600, fixedly connected with the output shaft 320, the DC motor 100 drives the worm 200 to rotate and drives the worm gear 300 to rotate, so that the antenna connecting frame 600 rotates horizontally.

[0045] The DC motor 100 is installed on the mounting bracket 400, the mounting bracket 400 is connected with the vertical pole through the pole connecting frame 500, the DC motor 100 drives the worm 200 to rotate, the worm 200 drives the worm gear 300 to rotate, and the output shaft 320 of the worm gear 300 is fixedly connected with the antenna connecting frame 600, so that the antenna connecting frame 600 rotates horizontally. Remote horizontal angle adjustment can be realized by the DC motor 100, the danger of manual climbing is avoided. And the worm gear 300 and the worm 200 have self-locking characteristics, which can ensure the stability of the horizontal angle of the antenna box after adjustment.

[0046] Please refer to Figures 2-4 Further comprising installation box body 700, the installation box body 700 includes the worm cavity 710 and the worm gear cavity 720 in communication, the worm 200 is arranged in the worm cavity 710, the worm gear 300 is arranged in the worm gear cavity 720, and the end of the worm gear cavity 720 away from the worm cavity 710 is provided with a limit stop 721. The limit stop 721 is arranged to avoid the sector main body 310 from being separated from the worm 200.

[0047] Please refer to Figures 2-4, one end of the worm cavity 710 is provided with a first bearing groove 711 communicating with the worm cavity 710, and the other end is provided with a second bearing groove 713 communicating with the worm cavity 710, the first bearing groove 711 close to the DC motor 100 opens to the worm cavity 710, and the second bearing groove 713 away from the DC motor 100 opens outward, the second bearing groove 713 away from the DC motor 100 is provided with an end cover 715, and the end cover 715 is connected with the mounting box body 700 by screwing. The first bearing 712 stabilizes the rotation of the worm 200 and reduces the friction and noise of the rotation of the worm 200. In particular, the DC motor 100 is directly provided with a bearing cover 112, the bearing cover 112 is provided with a fifth bearing 111 sleeved on the rotating shaft 110 of the DC motor 100, and the bearing cover 112 is connected with the mounting box body 700. The fifth bearing 111 stabilizes the rotation of the rotating shaft 110 and reduces the friction and noise.

[0048] Please refer to Figures 2-5 , the worm cavity 720 is provided with a shaft hole 722 for the output shaft 320 to pass out, and the two ends of the shaft hole 722 are respectively provided with a third bearing groove 723, and the third bearing groove 723 is provided with a third bearing 724. The second bearing 714 stabilizes the rotation of the output shaft 320 and reduces the friction and noise.

[0049] Please refer to Figures 2-5 , the output shaft 320 is provided with a clamping groove close to the third bearing groove 723 at one end away from the worm cavity 720, the clamping groove is provided with a clamping spring 321, and the clamping spring 321 abuts against the end face of the third bearing 724 located at one end away from the worm cavity 720. The third bearing 724 is avoided from being separated by the clamping spring 321, which is simple and convenient.

[0050] Please refer to Figure 1 , Figure 2 and Figure 5 , further comprising a cover 800, the cover 800 is connected with the mounting box body 700 and closes the worm cavity 710 and the worm cavity 720, the cover 800 is provided with a fourth bearing groove 810, the fourth bearing groove 810 is provided with a fourth bearing 820, and the output shaft 320 away from the antenna connecting frame 600 is protruded 730 from the fan-shaped main body 310 and matched with the fourth bearing 820. Further stabilize the output shaft 320 and avoid the output shaft 320 from shaking.

[0051] Please refer to Figure 1 , Figure 2 and Figure 5 , the end face of the mounting box body 700 has a ring of closed protrusions 730, and the cover 800 is provided with an embedding groove 830 matched with the protrusions 730. Avoid the cover 800 from deviating and improve the sealing performance.

[0052] Preferably, the central angle of the fan-shaped body 310 is greater than 90° and less than 180°.

[0053] Please refer to Figure 1 and Figure 2 The holding pole connecting frame 500 comprises a first holding pole frame 510, a second holding pole frame 520 and a distance adjusting connecting piece 530, the first holding pole frame 510 is fixedly connected with the mounting frame 400, the first holding pole frame 510 is adjustably connected with the second holding pole frame 520 through the distance adjusting connecting piece 530, and the first holding pole frame 510 and the second holding pole frame 520 are provided with holding pole clamping grooves at opposite ends. Simply, the distance adjusting connecting piece 530 is generally composed of a screw rod and a nut.

[0054] Please refer to Figure 1 The antenna connecting frame 600 comprises a first frame body 610, a second frame body 620, a third frame body 630 and a fourth frame body 640 which are sequentially connected in a hinged manner in the height direction, the first frame body 610 is fixedly connected with the output shaft 320, and the fourth frame body 640 is used for connecting the antenna box. Through multiple hinged connections, height adjustment, pitch adjustment and horizontal distance adjustment can be realized, so that the multi-angle adjustment requirement of the antenna box can be met.

[0055] It can be understood that the direct current motor 100 can be controlled through a cable, that is, the cable is hung down to the ground, so that the control is facilitated, or a wireless control module can also be arranged according to the requirement, the wireless control module can communicate and transmit through Bluetooth, WLAN (Wireless Local Area Network), cellular network communication technology and the like, so that the direct current motor is remotely controlled.

[0056] It should be noted that if the embodiment of the utility model has the directional indication (such as up, down, left, right, front, back, etc.), the directional indication is only used to explain the relative position relationship, movement condition and the like between the components in a certain specific posture (as shown in the drawings), if the specific posture changes, the directional indication also changes accordingly.

[0057] In addition, if the embodiment of the utility model has the description of "first", "second" and the like, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one feature.

[0058] In conclusion, the utility model provides a kind of mechanism for antenna adjustment, direct current motor is installed on mounting bracket, mounting bracket is connected with vertical pole by holding pole connecting frame, direct current motor drives worm rotation, worm drives worm gear rotation, the output shaft of worm gear is fixedly connected with antenna connecting frame, so that the horizontal rotation of antenna connecting frame is carried out. Remote horizontal angle adjustment can be carried out by direct current motor, the danger of artificial climbing is avoided. And worm gear and worm have self-locking characteristics, which can ensure the stability of antenna box horizontal angle after adjustment.

[0059] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as above with the preferred embodiment, it is not intended to limit the utility model. Any skilled person in the art can make some changes or modifications to the equivalent embodiments within the scope of the technical scheme of the utility model without departing from the utility model. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the utility model still belong to the scope of the technical scheme of the utility model.

Claims

1. A mechanism for antenna adjustment, characterized by, The utility model relates to a kind of antenna driving device, including: Direct current motor; Worm, the rotating shaft of the direct current motor is connected; Worm wheel, the worm wheel includes sector body, the end of the sector body is provided with worm gear meshing with the worm, the end of the sector body away from the worm gear is provided with output shaft; Mounting frame, the direct current motor is fixed on the mounting frame; Grip pole connecting frame, connected with the mounting frame, for connecting vertical pole; Antenna connecting frame, fixedly connected with the output shaft, the direct current motor drives the worm wheel to rotate by driving the worm to rotate, so that the antenna connecting frame rotates horizontally.

2. A mechanism for antenna adjustment according to claim 1, characterized in that It also includes a mounting box, the mounting box includes a worm cavity and a worm wheel cavity connected therein, the worm is arranged in the worm cavity, the worm wheel is arranged in the worm wheel cavity, and a limit stopper is arranged at one end of the worm wheel cavity away from the worm cavity.

3. A mechanism for antenna adjustment according to claim 2, characterized in that One end of the worm cavity is provided with a first bearing groove communicating with the worm cavity, the other end is provided with a second bearing groove communicating with the worm cavity, the first bearing groove close to the direct current motor is opened to the worm cavity, the second bearing groove away from the direct current motor is opened outward, the second bearing groove away from the direct current motor is provided with an end cover, and the end cover is connected with the mounting box by screwing.

4. A mechanism for antenna adjustment according to claim 2, characterized in that The shaft hole is provided with a third bearing groove at both ends of the shaft hole, and the third bearing groove is provided with a third bearing.

5. A mechanism for antenna adjustment according to claim 4, characterized in that The output shaft is provided with a clamping groove close to the third bearing groove at one end away from the worm wheel cavity, the clamping groove is provided with a clamping spring, and the clamping spring abuts against the end face of the third bearing at one end away from the worm wheel cavity.

6. A mechanism for antenna adjustment according to claim 2, wherein, It also includes a cover, the cover is connected with the mounting box and closes the worm cavity and the worm wheel cavity, the cover is provided with a fourth bearing groove, the fourth bearing groove is provided with a fourth bearing, and the output shaft protrudes from the sector body at one end away from the antenna connecting frame and is matched with the fourth bearing.

7. A mechanism for antenna adjustment according to claim 6, characterized in that The end face of the mounting box has a closed protrusion, and the cover is provided with a recess groove matched with the protrusion.

8. A mechanism for antenna adjustment according to claim 1, wherein, The central angle of the sector body is greater than 90° and less than 180°.

9. A mechanism for antenna adjustment according to claim 1, wherein, The grip pole connecting frame includes a first grip pole frame, a second grip pole frame and a spacing adjustment connecting piece, the first grip pole frame is fixedly connected with the mounting frame, the first grip pole frame is adjustably connected with the second grip pole frame through the spacing adjustment connecting piece, and the first grip pole frame and the second grip pole frame have a grip pole clamping groove at one end facing each other.

10. A mechanism for antenna adjustment according to claim 1, characterized in that The antenna connecting frame includes a first frame body, a second frame body, a third frame body and a fourth frame body which are connected in sequence in the height direction, the first frame body is fixedly connected with the output shaft, and the fourth frame body is used for connecting antenna box.

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