CN211718517U

CN211718517U - Pitching assembly suitable for radar is swept to two dimension machine

Info

Publication number: CN211718517U
Application number: CN202020140415.XU
Authority: CN
Inventors: 冯静
Original assignee: Guangzhou Chenchuang Technology Development Co ltd
Current assignee: Guangzhou Chenchuang Technology Development Co ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-10-20
Anticipated expiration: 2030-01-20

Abstract

The embodiment of the utility model discloses a every single move subassembly suitable for two-dimensional machine sweeps radar, relates to the radar equipment field, and the every single move subassembly suitable for two-dimensional machine sweeps radar includes radar host computer frame, U type frame, every single move servo assembly and every single move balance assembly, and U type frame includes main framework body and adjustable framework body, and the centre gripping has the gasket between one end of main framework body and one end of adjustable framework body, and through bolted connection; the other end of the adjustable frame body is connected with one side edge of the radar host frame through the pitching servo assembly, and the other end of the main frame body is connected with the other side edge of the radar host frame through the pitching balance assembly. The utility model discloses every single move subassembly suitable for radar is swept to two-dimensional machine can make first bearing and second bearing realize coaxial requirement through the gasket of adjusting different thickness specifications, ensures that the every single move is smooth. Effectively reduce the machining precision requirement to the U type frame, can significantly reduce the processing risk of U type frame, reduce the disability rate, reduction in production cost.

Description

Pitching assembly suitable for radar is swept to two dimension machine

Technical Field

The embodiment of the utility model provides a pitch subassembly suitable for radar is swept to two-dimensional machine relates to radar equipment field, concretely relates to.

Background

The radar wave beam is a needle-shaped wave beam, the azimuth angle and the pitch angle of the wave beam are small, the pitching and azimuth driving mechanisms are needed to realize the automatic scanning of the radar transmitting and receiving antenna (radar transceiving unit) in the pitching direction in the up-down and horizontal directions, the search range of an air target is expanded, meanwhile, the problem that a radar transceiving unit module can be quickly disassembled and assembled is solved, and the portable use requirement of a radar system is met.

At present, two-dimensional machine sweeping radars are mostly integrated U-shaped outer frames and have large volumes, and the manufacturing difficulty and the cost are high, so that the two-dimensional machine sweeping radars are not beneficial to processing.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a every single move subassembly suitable for radar is swept to two-dimensional machine to there is bulky, the higher problem of the manufacturing degree of difficulty and cost in the frame of solving current radar.

In order to achieve the above object, an embodiment of the present invention provides a pitching assembly suitable for a two-dimensional machine scanning radar, where the pitching assembly suitable for the two-dimensional machine scanning radar includes a radar host frame, a U-shaped frame, a pitching servo assembly, and a pitching balance assembly, the U-shaped frame includes a main frame body and an adjustable frame body, and a gasket is clamped between one end of the main frame body and one end of the adjustable frame body and connected by a bolt; the other end of the adjustable frame body is connected with one side edge of the radar host frame through the pitching servo assembly, and the other end of the main frame body is connected with the other side edge of the radar host frame through the pitching balance assembly.

Furthermore, a first cavity is formed in one side, close to the radar host outer frame, of the other end of the main frame body, and a second cavity is formed in one side, close to the radar host outer frame, of the other end of the adjustable frame body.

Further, every single move balanced subassembly includes first every single move axle, first bearing and connector, first bearing sets up in first cavity, the one end of first every single move axle passes through bolted connection with the opposite side limit of radar host computer frame, the other pot head of first every single move axle is located in first bearing, the connector sets up in one side that the other end of main frame body deviates from the radar host computer frame.

Further, every single move servo assembly includes the second every single move axle to and set up every single move motor, encoder and the second bearing in the second cavity, bolted connection is passed through with one side of radar host computer frame to the one end of second every single move axle, the other end cover of second every single move axle is located in the second bearing to be connected with every single move motor's pivot, the tip and the pivot of encoder of the other end of second every single move axle are connected, the encoder is used for measuring the rotation angle of second every single move axle.

Further, the first bearing and the second bearing are both deep groove ball bearings.

The embodiment of the utility model provides a have following advantage: the utility model discloses every single move subassembly suitable for radar is swept to two-dimensional machine can make first bearing and second bearing realize coaxial requirement through the gasket of adjusting different thickness specifications, ensures that the every single move is smooth. Effectively reduce the machining precision requirement to the U type frame, can significantly reduce the processing risk of U type frame, reduce the disability rate, reduction in production cost.

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. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic structural diagram of a pitching assembly suitable for a two-dimensional mechanical scanning radar according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a side view structure diagram of a every single move subassembly suitable for radar is swept to two-dimensional machine that the embodiment of the utility model provides.

Description of reference numerals: 10. a radar host frame; 20. a U-shaped outer frame; 21. a main frame body; 22. an adjustable frame body; 23. a gasket; 30. a pitch servo assembly; 31. a second pitch axis; 32. a pitch motor; 33. an encoder; 34. a second bearing; 40. a pitch balancing component; 41. a first pitch axis; 42. a first bearing; 43. a connecting head.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, 2, and 3, the pitch assembly suitable for the two-dimensional machine scanning radar includes a radar host frame 10, a U-shaped frame 20, a pitch servo assembly 30, and a pitch balance assembly 40, where the U-shaped frame 20 includes a main frame 21 and an adjustable frame 22, a spacer 23 is clamped between one end of the main frame 21 and one end of the adjustable frame 22, and one end of the main frame 21 is connected to one end of the adjustable frame 22 through a bolt. By adjusting the shims 23 with different thickness specifications, the first bearing 42 and the second bearing 34 can meet the coaxial requirement, and the pitching motion is guaranteed to be smooth. Effectively reduce the machining precision requirement to U type frame 20, can significantly reduce U type frame 20's processing risk, reduce the disability rate, reduction in production cost.

As shown in fig. 1, the pitch balance module 40 is used to connect the other end of the main frame body 21 and the other side of the radar main frame 10, and a first cavity is provided at one side of the other end of the main frame body 21 close to the radar main frame 10, and the first cavity is used to accommodate the pitch balance module 40, so as to provide a supporting and protecting function for the pitch balance module 40. Every single move balance assembly 40 includes first every single move axle 41, first bearing 42 and connector 43, first bearing 42 sets up in first cavity, bolted connection is passed through with the opposite side limit of radar host computer frame 10 to the one end of first every single move axle 41, the other pot head of first every single move axle 41 is located in first bearing 42, connector 43 sets up in one side that the other end of main frame body 21 deviates from radar host computer frame 10, connector 43 is used for connecting radar and external equipment, make things convenient for the high-speed joint between radar and the external equipment.

Pitching servo assembly 30 is used for connecting adjustable frame body 22's the other end and a side of radar host computer frame 10, and one side that adjustable frame body 22's the other end is close to radar host computer frame 10 is provided with the second cavity, and one side that adjustable frame body 22's the other end deviates from radar host computer frame 10 is provided with the access cover, and the access cover passes through the screw connection with adjustable frame body 22, sets up the access cover and can conveniently overhaul pitching servo assembly 30. The second cavity is used to house the pitch servo assembly 30 and provide support and protection for the pitch servo assembly 30. The pitch servo assembly 30 includes a second pitch shaft 31, and a pitch motor 32, an encoder 33 and a second bearing 34 disposed in the second cavity, wherein the pitch motor 32 is located between the encoder 33 and the second bearing 34, the two bearings are coaxially disposed, and the first bearing 42 and the second bearing 34 are both deep groove ball bearings in this embodiment. The encoder 33 is located one side that the second bearing 34 deviates from the radar host frame 10, one end of the second pitch shaft 31 passes through bolted connection with one side edge of the radar host frame 10, the other end of the second pitch shaft 31 is sleeved in the second bearing 34, and passes through bolted connection with the pivot of the pitch motor 32, the end of the other end of the second pitch shaft 31 is connected with the pivot of the encoder 33, and the encoder 33 is used for measuring the rotation angle of the second pitch shaft 31. The second pitch shaft 31 is installed coaxially with the first pitch shaft 41 to reduce the wear between the components and ensure the smooth rotation of the radar. When the rotating shaft of the tilt motor 32 rotates, the tilt motor 32 drives the radar main frame 10 to rotate around the axes of the first tilt shaft 41 and the second tilt shaft 31, thereby realizing the tilt movement of the radar.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The pitching assembly suitable for the two-dimensional machine scanning radar is characterized by comprising a radar host frame, a U-shaped frame, a pitching servo assembly and a pitching balance assembly, wherein the U-shaped frame comprises a main frame body and an adjustable frame body, and a gasket is clamped between one end of the main frame body and one end of the adjustable frame body and is connected with the main frame body through a bolt; the other end of the adjustable frame body is connected with one side edge of the radar host frame through the pitching servo assembly, and the other end of the main frame body is connected with the other side edge of the radar host frame through the pitching balance assembly.

2. The pitching assembly suitable for a two-dimensional machine-scan radar of claim 1, wherein a first cavity is formed at one side of the other end of the main frame body close to the radar main frame, and a second cavity is formed at one side of the other end of the adjustable frame body close to the radar main frame.

3. The pitching assembly suitable for a two-dimensional machine scanning radar according to claim 2, wherein the pitching balancing assembly comprises a first pitching shaft, a first bearing and a connector, the first bearing is disposed in the first cavity, one end of the first pitching shaft is connected with the other side of the radar main frame through a bolt, the other end of the first pitching shaft is sleeved in the first bearing, and the connector is disposed on one side of the other end of the main frame, which is away from the radar main frame.

4. The pitching assembly suitable for a two-dimensional mechanical scanning radar according to claim 3, wherein the pitching servo assembly comprises a second pitching shaft, and a pitching motor, an encoder and a second bearing which are arranged in the second cavity, one end of the second pitching shaft is connected with one side of the radar main frame through a bolt, the other end of the second pitching shaft is sleeved in the second bearing and is connected with a rotating shaft of the pitching motor, the end of the other end of the second pitching shaft is connected with the rotating shaft of the encoder, and the encoder is used for measuring the rotation angle of the second pitching shaft.

5. The pitch assembly for a two-dimensional machine-swept radar of claim 4, wherein the first bearing and the second bearing are deep groove ball bearings.