CN215579024U

CN215579024U - Antenna support arm with adjustable length

Info

Publication number: CN215579024U
Application number: CN202120285524.5U
Authority: CN
Inventors: 张红
Original assignee: Anhui Tengrun Communication Technology Co ltd
Current assignee: Anhui Tengrun Communication Technology Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2022-01-18
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses an antenna support arm with adjustable length, which comprises a base, wherein a first motor is arranged in the base, a rotating shaft of the first motor is fixedly sleeved with a first gear, two sides of the first motor are respectively provided with a screw rod, one section of the screw rod, which is positioned in the base, is fixedly sleeved with a second gear, the second gear is meshed with the first gear, the bottom end of the screw rod is rotatably connected with the inner wall of the base, the top surface of the base is fixedly provided with an upright post, the top of the upright post is fixedly provided with a traction box, the top end of the screw rod is rotatably inserted into the traction box, a slide block is arranged between the screw rod and the upright post, the screw rod is in threaded connection with the inside of the slide block, the upright post is movably connected with the inside of the slide block, the outer side of the slide block is fixedly connected with a top beam post, and the top beam post is movably inserted into the traction box. The utility model can adjust the height of the antenna by adjusting the length of the antenna support arm, can enhance the adaptability of the antenna equipment to different environments, and greatly saves manpower and material resources for maintaining the antenna equipment.

Description

Antenna support arm with adjustable length

Technical Field

The utility model belongs to the technical field of antenna support arms, and particularly relates to an antenna support arm with adjustable length.

Background

In a radio device, a device for radiating and receiving radio waves is called an antenna. All that utilizes electromagnetic waves to transmit information depends on an antenna to work.

The antenna is generally built in an outdoor environment and widely applied to engineering systems such as radio communication, broadcasting, television, radar, navigation, electronic countermeasure, remote sensing, radio astronomy and the like. In real life, the laying height of each antenna has different construction standards, if the position of the antenna is too low, the coverage range of radio wave signals is reduced, the signal strength is reduced, the receiving and the transmitting of the radio wave signals are influenced, and if the position of the antenna is too high, the antenna can interfere with the radio wave signals of other nearby antennas, so that a constructor generally prefers the height of one mounted antenna according to the field situation when laying the antenna, an antenna support arm is fixed, once the construction is finished, the length of the support arm is difficult to change if the height of the antenna needs to be adjusted in the later stage, and a lot of manpower and material resources are wasted.

Therefore, it is necessary to provide a length-adjustable antenna arm to solve the above problems, which facilitates adjusting the length of the antenna arm to adjust the height of the antenna, enhances the adaptability of the antenna device to different application environments, and greatly saves manpower and material resources for maintaining the antenna device.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present invention provides an antenna arm with adjustable length to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: an antenna support arm with adjustable length comprises a base, wherein a first motor is arranged inside the base, a first gear is fixedly sleeved on a rotating shaft of the first motor, lead screws are arranged on two sides of the first motor, a second gear is fixedly sleeved on one section of the lead screw, which is positioned inside the base, the second gear is meshed with the first gear, the bottom end of the lead screw is rotatably connected with the inner wall of the base, an upright post is fixedly arranged on the top surface of the base, a traction box is fixedly arranged at the top of the upright post, the top end of the lead screw is rotatably inserted into the traction box, a sliding block is arranged between the lead screw and the upright post, the lead screw is in threaded connection with the inside of the sliding block, the upright post is movably connected with the inside of the sliding block, a top beam column is fixedly connected with the outside of the sliding block, the top beam column is movably inserted into the traction box, a second motor is arranged inside the traction box, and a worm is fixedly connected with the rotating shaft of the second motor, the worm is engaged with a worm wheel, one side of the worm wheel is provided with a traction wheel, the worm wheel and the inner ring of the traction wheel are fixedly sleeved with the same connecting shaft, the connecting shaft is rotatably connected with the inner wall of the traction box, the top beam is fixedly arranged at the top of the top beam column, the surface of the top beam top is movably inserted with an adjusting column, the bottom end of the adjusting column is fixedly connected with a steel wire, the bottom end of the steel wire is connected with the traction wheel, a pressure spring is sleeved on one section of surface of the adjusting column positioned at the top of the top beam, the top end of the adjusting column is fixedly provided with a limiting block, four sides of the limiting block are fixedly connected with a steering knuckle, the steering knuckle is rotatably connected with a first support arm, the first support arm is rotatably connected with a second support arm through a hinge joint, the second support arm is rotatably connected with a third support arm and a fourth support arm through a hinge joint, and the second support arm and the fourth support arm are rotatably connected with a fifth support arm through a hinge joint, and the bottom end of the third support arm is fixedly connected with the top beam through a steering knuckle.

Preferably, the first motor and the second motor are both arranged in a forward and reverse rotating mode, and a speed reducer is arranged between the first motor and the screw rod;

preferably, one section of the screw rod positioned in the base and the section of the screw rod positioned in the traction box and the upright post are both smoothly arranged, and the two screw rods and the upright posts are both arranged in parallel;

preferably, the diameter of the limiting block is larger than that of the pressure spring, and the adjusting column is arranged in a T shape;

preferably, the first support arm, the second support arm, the third support arm, the fourth support arm and the fifth support arm are all made of light metal materials, and the top end of the fifth support arm can be hinged to the antenna through a hinge joint.

The utility model has the technical effects and advantages that:

1. the utility model can adjust the height of the antenna by adjusting the length of the antenna support arm, can enhance the adaptability of the antenna equipment to different environments, and greatly saves manpower and material resources for maintaining the antenna equipment.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a top view of the internal structure of the base of the present invention;

fig. 4 is an enlarged view of the portion a of fig. 1 according to the present invention.

In the figure: 1. a base; 2. a first motor; 3. a first gear; 4. a screw rod; 5. a second gear; 6. a column; 7. a traction box; 8. a slider; 9. a roof beam column; 10. a second motor; 11. a worm; 12. a worm gear; 13. a traction wheel; 14. a connecting shaft; 15. a top beam; 16. an adjustment column; 17. a steel wire; 18. a pressure spring; 19. a limiting block; 20. a knuckle; 21. hinging; 22. a first support arm; 23. a second support arm; 24. a third support arm; 25. a fourth support arm; 26. and a fifth support arm.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides an antenna support arm with adjustable length as shown in figures 1-4, which comprises a base 1, wherein a first motor 2 is arranged inside the base 1, a first gear 3 is fixedly sleeved on a rotating shaft of the first motor 2, lead screws 4 are arranged on two sides of the first motor 2, a section of each lead screw 4, which is positioned inside the base 1, is fixedly sleeved with a second gear 5, the second gear 5 is meshed with the first gear 3, the bottom ends of the lead screws 4 are rotatably connected with the inner wall of the base 1, an upright post 6 is fixedly arranged on the top surface of the base 1, a traction box 7 is fixedly arranged on the top of the upright post 6, the top end of each lead screw 4 is rotatably inserted into the traction box 7, a sliding block 8 is arranged between each lead screw 4 and the upright post 6, the lead screws 4 are connected with the inner part of the sliding block 8 in a threaded manner, the upright post 6 is movably connected with the inner part of the sliding block 8, and the outer side of the sliding block 8 is fixedly connected with a top beam 9, the utility model discloses a roof beam column 9, including roof beam column 9, traction box 7, inside second motor 10 that is equipped with of traction box 7, the pivot fixedly connected with worm 11 of second motor 10, the meshing of worm 11 has worm wheel 12, worm wheel 12 one side is provided with traction wheel 13, same connecting axle 14 has been cup jointed to worm wheel 12 and traction wheel 13's inner circle is fixed, connecting axle 14 rotates with traction box 7 inner wall to be connected, roof beam column 9 top is fixed and is equipped with back timber 15, makes back timber 15 can accomplish under the control of first motor 2 and go up and down in order to change the antenna height, back timber 15 top surface activity is pegged graft and is had regulation post 16, 16 bottom fixedly connected with steel wire 17 of regulation post, the steel wire 17 bottom is connected with traction wheel 13, one section surface that regulation post 16 is located back timber 15 top has cup jointed pressure spring 18, the top fixed mounting of regulation post 16 has stopper 19, the equal fixedly connected with knuckle 20 in four sides of stopper 19, it is connected with first support arm 22 to rotate on the knuckle 20, first support arm 22 rotates through hinge 21 and is connected with second support arm 23, second support arm 23 rotates through hinge 21 and is connected with third support arm 24 and fourth support arm 25, second support arm 23 and fourth support arm 25 rotate through hinge 21 and are connected with fifth support arm 26, just the bottom of third support arm 24 is through knuckle 20 and back timber 15 fixed connection, makes the antenna support arm can adjust length.

As a specific embodiment of the present invention, the first motor 2 and the second motor 10 are both positive and negative rotation motors, and a speed reducer is arranged between the first motor 2 and the lead screw 4, so that the height adjustment of the top beam 15 and the length of the antenna support arm can be adjusted, which not only saves time and labor, but also can accurately control the adjustment range;

as a specific embodiment of the utility model, the sections of the screw rods 4 located inside the base 1 and inside the traction box 7 and the upright posts 6 are all smoothly arranged, and the two screw rods 4 and the upright posts 6 are both arranged in parallel, so that the height adjustment process of the top beam 15 is smoother;

as a specific embodiment of the present invention, the diameter of the limiting block 19 is greater than the diameter of the pressure spring 18, and the adjusting column 16 is arranged in a T shape, so that the adjusting column 16 is prevented from being clamped on the pressure spring 18, and the moving distance of the adjusting column 16 is conveniently limited;

as an embodiment of the present invention, the first arm 22, the second arm 23, the third arm 24, the fourth arm 25 and the fifth arm 26 are made of a light metal material, and the top end of the fifth arm 26 can be hinged to the antenna through the hinge 21, so that the overall structure is more secure and reliable, and the movement of the antenna arm is more flexible.

The working principle of the utility model is as follows:

referring to the attached drawings 1-4 of the specification, as the first motor 2 works to drive the first gear 3 to rotate, the first gear 3 rotates to drive the meshed second gear 5 to rotate, as the screw rod 4 is fixedly sleeved on the inner ring of the second gear 5, the rotation of the second gear 5 enables the screw rod 4 to rotate, the screw rod 4 is in threaded connection with the inside of the slide block 8, the upright post 6 is movably connected with the inside of the slide block 8, the outer side of the slide block 8 is fixedly connected with the bottom end of the top beam post 9, the top beam post 9 is movably inserted with the traction box 7, the screw rod rotates to enable the slide block 8 to do linear motion on the upright post 6, the slide block 8 does linear motion to drive the top beam post 9 to move up and down, as the top end of the beam post 9 is fixedly connected with the top beam 15, the first motor 2 works to enable the top beam 15 to realize the lifting function, the movably inserted adjustment post 16 is arranged on the top beam 15, the bottom end of the adjustment post 16 is provided with the connection steel wire 17, and the bottom end of the steel wire 17 is tied on the traction wheel 13, when the second motor 10 works, the worm 11 on the rotating shaft drives the worm wheel 12 to rotate, because the worm wheel 12 is fixedly connected with the traction wheel 13, and the worm wheel 12 is fixedly sleeved with the connection shaft 14 with the traction wheel 13, the second motor works to pull the steel wire 17 to complete the lifting of the adjusting column 16, at this time, one end of the antenna support arm fixed at the top of the adjusting column 16 can move up and down along with the several pieces of the adjusting column 16, and because the first support arm 22 is rotatably connected with the second support arm 23 through the hinge joint 21, the second support arm 23 is rotatably connected with the third support arm 24 and the fourth support arm 25 through the hinge joint 21, the second support arm 23 and the fourth support arm 25 are rotatably connected with the fifth support arm 26 through the hinge joint 21, the bottom end of the third support arm 24 is fixedly connected with the top beam 15 through the steering joint 20, so that the antenna support arm can finally follow the lifting of the adjusting column 16 to realize the length adjustment.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. An antenna boom with adjustable length, includes base (1), its characterized in that: the automatic transmission mechanism is characterized in that a first motor (2) is arranged inside the base (1), a first gear (3) is fixedly sleeved on a rotating shaft of the first motor (2), lead screws (4) are arranged on two sides of the first motor (2), one section of each lead screw (4) located inside the base (1) is fixedly sleeved with a second gear (5), the second gear (5) is meshed with the first gear (3), the bottom end of each lead screw (4) is rotatably connected with the inner wall of the base (1), a stand column (6) is fixedly arranged on the top surface of the base (1), a traction box (7) is fixedly arranged on the top of the stand column (6), the top end of each lead screw (4) is rotatably inserted into the traction box (7), a slide block (8) is arranged between each lead screw (4) and the stand column (6), the lead screws (4) are connected with the inner threads of the slide block (8), and the stand column (6) is movably connected with the slide block (8), the outer side of the sliding block (8) is fixedly connected with a top beam column (9), the top beam column (9) is movably inserted into a traction box (7), a second motor (10) is arranged inside the traction box (7), a rotating shaft of the second motor (10) is fixedly connected with a worm (11), the worm (11) is meshed with a worm wheel (12), one side of the worm wheel (12) is provided with a traction wheel (13), the worm wheel (12) and an inner ring of the traction wheel (13) are fixedly sleeved with a same connecting shaft (14), the connecting shaft (14) is rotatably connected with the inner wall of the traction box (7), the top of the top beam column (9) is fixedly provided with a top beam (15), the surface of the top beam (15) is movably inserted with an adjusting column (16), the bottom end of the adjusting column (16) is fixedly connected with a steel wire (17), and the bottom end of the steel wire (17) is connected with the traction wheel (13), adjust one section surface that post (16) is located back timber (15) top and has cup jointed pressure spring (18), the top fixed mounting who adjusts post (16) has stopper (19), stopper (19) four equal fixedly connected with knuckles (20) in side, it is connected with first support arm (22) to rotate on knuckle (20), first support arm (22) rotate through knuckle (21) and are connected with second support arm (23), second support arm (23) rotate through knuckle (21) and are connected with third support arm (24) and fourth support arm (25), second support arm (23) and fourth support arm (25) rotate through knuckle (21) and are connected with fifth support arm (26), just the bottom of third support arm (24) rotates through knuckle (20) and back timber (15) fixed connection.

2. An adjustable length antenna boom as claimed in claim 1, wherein: the first motor (2) and the second motor (10) are both arranged in a forward and reverse rotating mode, and a speed reducer is arranged between the first motor (2) and the screw rod (4).

3. An adjustable length antenna boom as claimed in claim 1, wherein: the section of the screw rod (4) located inside the base (1) and inside the traction box (7) and the upright post (6) are both arranged smoothly, and the screw rod (4) and the upright post (6) are arranged in parallel.

4. An adjustable length antenna boom as claimed in claim 1, wherein: the diameter of the limiting block (19) is larger than that of the pressure spring (18), and the adjusting column (16) is arranged in a T shape.

5. An adjustable length antenna boom as claimed in claim 1, wherein: the antenna comprises a first support arm (22), a second support arm (23), a third support arm (24), a fourth support arm (25) and a fifth support arm (26), wherein the first support arm, the second support arm (23), the third support arm (24), the fourth support arm (25) and the fifth support arm (26) are all made of light metal materials, and the top end of the fifth support arm (26) can be hinged with an antenna through a hinge joint (21).