CN215641812U

CN215641812U - Adjustable antenna for laser radar

Info

Publication number: CN215641812U
Application number: CN202121895639.2U
Authority: CN
Inventors: 吕晨光; 叶华斌; 张启博; 蒋超
Original assignee: Nanjing Hengdian Advanced Microwave Technology Research Institute Co ltd
Current assignee: Nanjing Hengdian Advanced Microwave Technology Research Institute Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-01-25
Anticipated expiration: 2031-08-13

Abstract

The utility model discloses an adjustable antenna for a laser radar, which belongs to the technical field of radar antennas and comprises a base, wherein the top of the base is provided with an installation plate, the top of the base is fixedly connected with a shell, the bottom of an inner cavity of the shell is rotatably connected with a rotating rod through a bearing, and the top of the rotating rod penetrates through the shell and is fixedly connected with the bottom of the installation plate; the antenna is reasonable in structural design, the driving gear is driven to rotate by the first servo motor, the rotating rod is driven to rotate by the meshing connection of the driving gear and the driven gear, the mounting plate and the antenna body are driven to rotate, the direction of the antenna body is adjusted, the driving bevel gear is driven to rotate by the second servo motor, the lead screw is driven to rotate by the meshing connection of the driving bevel gear and the driven bevel gear, the threaded sleeve and the antenna body are driven to move up and down by the threaded connection of the lead screw and the threaded sleeve, and the height of the antenna body is convenient to adjust.

Description

Adjustable antenna for laser radar

Technical Field

The utility model relates to the technical field of radar antennas, in particular to an adjustable antenna for a laser radar.

Background

A radar is a device for radiating and receiving electromagnetic waves and determining the direction of detection thereof. When the radar transmits, energy needs to be intensively radiated to a direction needing to be irradiated; and during receiving, only the echo in the detection direction is received as far as possible, and the azimuth and the elevation angle of the target or one of the azimuth and the elevation angle of the target are distinguished. Of the three coordinates (azimuth, elevation and distance) of the radar measurement target position, the measurement of two coordinates (azimuth and elevation) is directly related to the performance of the antenna. Therefore, antenna performance is more important for radar devices than for other electronic devices (e.g., communication devices, etc.);

when the laser radar antenna is used, the defects that the height is inconvenient to adjust and the direction is inconvenient to adjust in the using process are overcome, manual adjustment is needed, and the operation is complicated.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an adjustable antenna for laser radar, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

an adjustable antenna for a laser radar comprises a base, wherein a mounting plate is arranged at the top of the base, a shell is fixedly connected to the top of the base, a rotating rod is rotatably connected to the bottom of an inner cavity of the shell through a bearing, the top of the rotating rod penetrates through the shell and is fixedly connected with the bottom of the mounting plate, a driven gear is sleeved on the surface, located on the shell, of the rotating rod, a first servo motor is installed on the right side of the bottom of the inner cavity of the shell, a driving gear is welded at the output end of the first servo motor and is meshed with the driven gear, a lead screw is rotatably connected to the top of the mounting plate through a bearing, a driven bevel gear is sleeved on the bottom of the surface of the lead screw, a protective shell is fixedly connected to the left side of the top of the mounting plate, a second servo motor is installed on the left side of the inner cavity of the protective shell, and the output end of the second servo motor penetrates through the protective shell and extends to the outside of the protective shell, the antenna comprises a screw rod, a driving bevel gear, a driven bevel gear, a screw sleeve, a screw rod and an antenna body, wherein the driving bevel gear is welded at the output end of the second servo motor, the driven bevel gear is meshed with the driving bevel gear, the top of the surface of the screw rod is sleeved with the screw sleeve, the screw sleeve is in threaded connection with the screw rod, and the antenna body is arranged on the right side of the screw sleeve.

Preferably, the right side fixedly connected with riser of thread bush, the diaphragm is installed at the top on riser right side, the diaphragm rotates through the pivot with the top of antenna body to be connected, the bottom on riser right side rotates through the pivot to be connected with electric putter, electric putter's flexible end is passed through the bearing rotation with the left bottom of antenna body and is connected.

Preferably, the spout has all been seted up to the both sides at casing top, the equal fixedly connected with slider in both sides of mounting panel bottom, the bottom of slider extends to the inner chamber of spout, the both sides of slider bottom all are connected with the pulley through the bearing rotation, pulley and spout sliding connection.

Preferably, the both sides of base all fixedly connected with fixed plate, the surface of fixed plate all runs through and installs the bolt.

Preferably, the controller is installed on the right side at mounting panel top, the electrical property output of controller passes through the wire respectively with first servo motor, second servo motor and electric putter's electrical property input electric connection.

Preferably, a bearing seat is installed at the penetrating position of the rotating rod and the shell, the inner surface of the bearing seat is rotatably connected with the rotating rod, and the outer surface of the bearing seat is fixedly connected with the shell.

Compared with the prior art, the utility model has the beneficial effects that:

the antenna body is reasonable in structural design, the driving gear is driven to rotate by the first servo motor, the rotating rod is driven to rotate by the meshing connection of the driving gear and the driven gear, the mounting plate and the antenna body are driven to rotate, the position of the antenna body is adjusted, the driving bevel gear is driven to rotate by the second servo motor, the lead screw is driven to rotate by the meshing connection of the driving bevel gear and the driven bevel gear, the threaded sleeve and the antenna body are driven to move up and down by the threaded connection of the lead screw and the threaded sleeve, the height of the antenna body is convenient to adjust, and the antenna body is used for solving the problems that in the using process, the height adjustment is inconvenient, the position adjustment is inconvenient and the like, and the problems that manual adjustment is needed and the antenna body is complicated are solved.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the housing of the present invention;

FIG. 3 is an enlarged view of region A of FIG. 1 according to the present invention.

In the figure: 1. a base; 2. mounting a plate; 3. a housing; 4. a rotating rod; 5. a driven gear; 6. a first servo motor; 7. a driving gear; 8. a screw rod; 9. a driven bevel gear; 10. a protective shell; 11. a second servo motor; 12. a drive bevel gear; 13. a threaded sleeve; 14. an antenna body; 15. a vertical plate; 16. a transverse plate; 17. an electric push rod; 18. a chute; 19. a slider; 20. a pulley; 21. a fixing plate; 22. a bolt; 23. and a controller.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution:

an adjustable antenna for a laser radar comprises a base 1, wherein a mounting plate 2 is arranged at the top of the base 1, a shell 3 is fixedly connected to the top of the base 1, the bottom of an inner cavity of the shell 3 is rotatably connected with a rotating rod 4 through a bearing, the top of the rotating rod 4 penetrates through the shell 3 and is fixedly connected with the bottom of the mounting plate 2, a driven gear 5 is sleeved on the surface of the rotating rod 4, which is positioned on the shell 3, a first servo motor 6 is installed at the right side of the bottom of the inner cavity of the shell 3, a driving gear 7 is welded at the output end of the first servo motor 6, the driving gear 7 is meshed with the driven gear 5, the top of the mounting plate 2 is rotatably connected with a lead screw 8 through a bearing, a driven bevel gear 9 is sleeved at the bottom of the surface of the lead screw 8, a protective shell 10 is fixedly connected with the left side of the top of the mounting plate 2, a second servo motor 11 is installed at the left side of the inner cavity of the protective shell 10, and the output end of the second servo motor 11 penetrates through the protective shell 10 and extends to the outside of the protective shell 10, the output end of the second servo motor 11 is welded with a driving bevel gear 12, a driven bevel gear 9 is meshed with the driving bevel gear 12, the top of the surface of the screw rod 8 is sleeved with a threaded sleeve 13, the threaded sleeve 13 is in threaded connection with the screw rod 8, and the right side of the threaded sleeve 13 is provided with an antenna body 14.

Referring to fig. 1, a vertical plate 15 is fixedly connected to the right side of the threaded sleeve 13, a transverse plate 16 is mounted at the top of the right side of the vertical plate 15, the transverse plate 16 is rotatably connected with the top of the antenna body 14 through a rotating shaft, the bottom of the right side of the vertical plate 15 is rotatably connected with an electric push rod 17 through a rotating shaft, and a telescopic end of the electric push rod 17 is rotatably connected with the bottom of the left side of the antenna body 14 through a bearing, so that one side of the antenna body 14 can be conveniently adjusted, and signals can be better received;

referring to fig. 3, sliding grooves 18 are formed in both sides of the top of the housing 3, sliding blocks 19 are fixedly connected to both sides of the bottom of the mounting plate 2, the bottom of the sliding block 19 extends to an inner cavity of the sliding groove 18, pulleys 20 are rotatably connected to both sides of the bottom of the sliding block 19 through bearings, and the pulleys 20 are slidably connected with the sliding grooves 18, so that the mounting plate 2 can be slidably supported when rotating, and the situation that the mounting plate 2 shakes during rotation to affect the antenna body 14 is avoided;

referring to fig. 1, both sides of a base 1 are fixedly connected with fixing plates 21, and bolts 22 are installed on the surfaces of the fixing plates 21 in a penetrating manner;

referring to fig. 1, a controller 23 is installed on the right side of the top of the mounting plate 2, and an electrical output end of the controller 23 is electrically connected to electrical input ends of the first servo motor 6, the second servo motor 11 and the electric push rod 17 through wires;

referring to fig. 2, a bearing seat is installed at a penetration position of the rotating rod 4 and the housing 3, an inner surface of the bearing seat is rotatably connected with the rotating rod 4, and an outer surface of the bearing seat is fixedly connected with the housing 3;

when the antenna is used, the structural design is reasonable, the driving gear 7 is driven to rotate by the arranged first servo motor 6, the rotating rod 4 is driven to rotate by the meshing connection of the driving gear 7 and the driven gear 5, the mounting plate 2 and the antenna body 14 are driven to rotate, the position of the antenna body 14 is adjusted, the driving bevel gear 12 is driven to rotate by the arranged second servo motor 11, the lead screw 8 is driven to rotate by the meshing connection of the driving bevel gear 12 and the driven bevel gear 9, the threaded sleeve 13 and the antenna body 14 are driven to move up and down by the threaded connection of the lead screw 8 and the threaded sleeve 13, the height of the antenna body 14 is convenient to adjust, and the antenna is used for solving the problems that the height is inconvenient to adjust and the position is inconvenient to adjust in the using process, and the problem that manual adjustment is needed and complicated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an antenna with adjustable laser radar is used, includes base (1), its characterized in that: the top of the base (1) is provided with a mounting plate (2), the top of the base (1) is fixedly connected with a shell (3), the bottom of an inner cavity of the shell (3) is rotatably connected with a rotating rod (4) through a bearing, the top of the rotating rod (4) penetrates through the shell (3) and is fixedly connected with the bottom of the mounting plate (2), the surface of the rotating rod (4) positioned on the shell (3) is sleeved with a driven gear (5), the right side of the bottom of the inner cavity of the shell (3) is provided with a first servo motor (6), the output end of the first servo motor (6) is welded with a driving gear (7), the driving gear (7) is meshed with the driven gear (5), the top of the mounting plate (2) is rotatably connected with a screw rod (8) through a bearing, the bottom of the surface of the screw rod (8) is sleeved with a driven bevel gear (9), and the left side of the top of the mounting plate (2) is fixedly connected with a protective shell (10), the antenna is characterized in that a second servo motor (11) is installed on the left side of an inner cavity of the protective shell (10), an output end of the second servo motor (11) penetrates through the protective shell (10) and extends to the outside of the protective shell (10), a driving bevel gear (12) is welded at an output end of the second servo motor (11), a driven bevel gear (9) is meshed with the driving bevel gear (12) and is connected with the driving bevel gear, a threaded sleeve (13) is sleeved on the top of the surface of the screw rod (8), the threaded sleeve (13) is in threaded connection with the screw rod (8), and an antenna body (14) is arranged on the right side of the threaded sleeve (13).

2. The adjustable antenna for laser radar according to claim 1, wherein: the right side fixedly connected with riser (15) of thread bush (13), diaphragm (16) are installed at the top on riser (15) right side, diaphragm (16) are connected through the pivot rotation with the top of antenna body (14), the bottom on riser (15) right side is connected with electric putter (17) through the pivot rotation, the flexible end of electric putter (17) is passed through the bearing rotation with the left bottom of antenna body (14) and is connected.

3. The adjustable antenna for laser radar according to claim 1, wherein: spout (18) have all been seted up to the both sides at casing (3) top, the equal fixedly connected with slider (19) in both sides of mounting panel (2) bottom, the bottom of slider (19) extends to the inner chamber of spout (18), the both sides of slider (19) bottom all are connected with pulley (20) through the bearing rotation, pulley (20) and spout (18) sliding connection.

4. The adjustable antenna for laser radar according to claim 1, wherein: the base is characterized in that fixing plates (21) are fixedly connected to two sides of the base (1), and bolts (22) penetrate through the surfaces of the fixing plates (21).

5. The adjustable antenna for laser radar according to claim 1, wherein: controller (23) are installed on the right side at mounting panel (2) top, the electrical property output of controller (23) passes through the wire respectively with the electrical property input electric connection of first servo motor (6), second servo motor (11) and electric putter (17).

6. The adjustable antenna for laser radar according to claim 1, wherein: the bearing seat is installed at the penetrating position of the rotating rod (4) and the shell (3), the inner surface of the bearing seat is rotatably connected with the rotating rod (4), and the outer surface of the bearing seat is fixedly connected with the shell (3).