阅读说明：本技术 一种雷达天线及其保护装置、保护装置的安装方法 (Radar antenna, protection device thereof and installation method of protection device ) 是由 包晓军 安羽 钟世钰 陈江彦 李新星 杨精波 曹虎文 罗俊宏 于 2020-04-08 设计创作，主要内容包括：本发明公开了一种保护装置,并公开了具有保护装置的雷达天线,其中保护装置包括：制动盘,固定连接在雷达转动部件100底部,由左制动片和右制动片可拆卸连接而成；制动组件,包括驱动机构、上制动块和下制动块,所述上制动块和下制动块上下对立连接在驱动机构上且形成一制动夹缝,所述制动盘设置在制动夹缝间,所述驱动机构能够驱动上制动块和下制动块夹紧制动盘。本发明提供了一种结构简单,成本低的雷达天线和齿轮箱保护装置装置,当监测到台风风速大于天线标定工作风速后,能够锁定雷达天线,使其停止转动,并顺其到安全位置,避免天线随风剧烈旋转,减少动载荷,减少天线和齿轮箱受损的可能性。(The invention discloses a protection device and a radar antenna with the protection device, wherein the protection device comprises: the brake disc is fixedly connected to the bottom of the radar rotating part 100 and is formed by detachably connecting a left brake disc and a right brake disc; the brake assembly comprises a driving mechanism, an upper brake block and a lower brake block, wherein the upper brake block and the lower brake block are oppositely connected on the driving mechanism up and down and form a brake gap, the brake disc is arranged between the brake gaps, and the driving mechanism can drive the upper brake block and the lower brake block to clamp the brake disc. The invention provides a radar antenna and gear box protection device with simple structure and low cost, which can lock the radar antenna to stop rotating and move to a safe position along with the radar antenna when the typhoon wind speed is monitored to be greater than the antenna calibration working wind speed, thereby avoiding the violent rotation of the antenna along with the wind, reducing the dynamic load and reducing the possibility of damaging the antenna and the gear box.)

1. A protective device provided between a radar rotary member (100) and a radar drive member (200), characterized by comprising:

the brake disc (300) is fixedly connected to the bottom of the radar rotating part (100) and is formed by detachably connecting a left brake disc (310) and a right brake disc (320);

the brake assembly (400) comprises a driving mechanism, an upper brake block (410) and a lower brake block (420), wherein the upper brake block (410) and the lower brake block (420) are vertically and oppositely connected on the driving mechanism and form a brake crack, the brake disc (300) is arranged on the brake crack, and the driving mechanism can drive the upper brake block (410) and the lower brake block (420) to clamp the brake disc (300).

2. A protection device according to claim 1, characterized by further comprising a disc seat arranged at the bottom of the radar turning part (100), on which the brake disc (300) is fixedly mounted.

3. A protector according to claim 2 wherein the engagement surfaces or edges formed by the left (310) and right (320) brake pads are provided with tabs (600).

4. A protection device according to claim 2, characterized in that said seat comprises a left mounting (330) and a right mounting (340), said left mounting (330) and said right mounting (340) being arranged opposite each other at the bottom of said radar rotor (100).

5. The protection device of claim 1, wherein the left mounting bracket (330) and the right mounting bracket (340) are provided with a plurality of sets of protruding columns (350), and the left mounting plate and the right mounting plate are screwed on the protruding columns (350).

6. A protective device according to any one of claims 1-5, wherein the drive mechanism is a hydraulic mechanism.

7. The protection device of claim 6, wherein the brake assembly (400) further comprises an adapter bracket (500) fixedly mounted on the radar driving part (200), the adapter bracket (500) comprises a fixed plate (510) and a left adapter plate (520) and a right adapter plate (530) which are oppositely arranged, the fixed plate (510) is fixedly connected to the left adapter plate (520) and the right adapter plate (530), the hydraulic mechanism comprises a hydraulic cylinder mounted on the fixed plate (510), and the upper brake block (410) and the lower brake block (420) are oppositely arranged on the hydraulic cylinder in an up-and-down manner.

8. A radar antenna, comprising a radar rotation member (100) and a radar driving member (200), wherein the radar rotation member (100) is connected to the radar driving member (200) and is driven to rotate by the radar driving member (200), a protection device according to any one of claims 1 to 7 is disposed between the radar driving member (200) and the radar rotation member (100), the brake disc (300) is fixedly mounted on the radar rotation member (100), and the brake assembly (400) is fixedly mounted on the radar driving member (200).

9. A method for mounting a protective device, comprising the steps of:

step a, a left brake block (310) is installed on a left installation frame (330), a right brake block (320) is installed on a right installation frame (340), and the left installation frame (330) and the right installation frame (340) are detachably and fixedly connected to a radar rotating part (100);

b, mounting a connecting piece (600) on the joint surface of the left brake block (310) and the right brake block (320);

and c, oppositely installing a left rotating connecting plate (520) and a right rotating connecting plate (530) on the radar driving part (200), installing a fixed plate (510) on the left rotating connecting plate (520) and the right rotating connecting plate (530), and then installing a hydraulic cylinder with an upper brake block (410) and a lower brake block (420) on the fixed plate (510) so that the brake disc (300) is arranged between the upper brake block (410) and the lower brake block (420).

10. The method for installing a protection device according to claim 9, wherein a plurality of offset holes are formed on the left brake block (310) and the right brake block (320), and screws are fixed on the convex columns (350) through the offset holes.

Technical Field

The invention relates to the technical field of radars, in particular to a radar antenna, a protection device thereof and an installation method of the protection device.

Background

The marine radar is mainly applied to sea surface beyond-the-horizon monitoring and detection in the fields of maritime affairs, frontier defense and the like, has large-range monitoring capability, can detect and track targets in real time, and realizes the service and management functions of the marine targets.

In order to improve the azimuth resolution, the length of the antenna of the marine radar is far greater than that of the fixed part of the marine radar, so that the installation position and the structural characteristics of the marine radar are easily damaged due to the blowing of strong typhoon.

The antenna of marine radar can take place the rotation under strong typhoon position wind moment's effect, and along with the continuous rotation of radar antenna, additional wind moment can constantly rise moreover, leads to the radar to change faster more, and is out of position until the destruction that causes radar antenna, even together with the fixed part of marine radar (including the gear box) damage, causes great economic loss, still can cause the incident when serious.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a protection device which has a protection effect on the radar and avoids the radar antenna from being damaged by overlarge wind power.

The invention also provides a radar antenna with the protection device.

The invention further provides an installation method of the protection device, and the rapid installation process of the protection device is realized.

According to an embodiment of the first aspect of the invention, the protection device comprises: the brake disc is fixedly connected to the bottom of the radar rotating part and is formed by detachably connecting a left brake disc and a right brake disc; and the brake assembly comprises a driving mechanism, an upper brake block and a lower brake block, the upper brake block and the lower brake block are oppositely connected on the driving mechanism up and down and form a brake crack, the brake disc is arranged on the brake crack, and the driving mechanism can drive the upper brake block and the lower brake block to clamp the brake disc.

The protection device provided by the embodiment of the invention at least has the following beneficial effects: the radar antenna is locked by the automatic braking structure after the offshore wind power is larger than the calibrated working wind speed of the antenna, so that the radar antenna stops rotating and moves to a safe position along with the antenna, the antenna is prevented from rotating violently with the wind, the dynamic load is reduced, and the possibility of damage to the rotating part of the radar antenna and the driving part of the radar antenna is reduced.

According to some embodiments of the invention, the radar device further comprises a disc seat arranged at the bottom of the radar rotating part, and the brake disc is fixedly arranged on the disc seat.

According to some embodiments of the invention, the left brake pad and the right brake pad have engagement surfaces or engagement edges with tabs.

According to some embodiments of the invention, the disk seat comprises a left mounting rack and a right mounting rack, and the left mounting rack and the right mounting rack are oppositely arranged at the bottom of the radar rotating part.

According to some embodiments of the invention, the left and right mounting frames are provided with a plurality of groups of convex columns, and the left and right mounting discs are screwed on the convex columns.

According to some embodiments of the invention, the drive mechanism is a hydraulic mechanism.

According to some embodiments of the invention, the brake assembly further comprises an adapter bracket fixedly mounted on the radar driving part, the adapter bracket comprises a fixed plate and a left adapter plate and a right adapter plate which are oppositely arranged, the fixed plate is fixedly connected to the left adapter plate and the right adapter plate, the hydraulic mechanism comprises a hydraulic cylinder mounted on the fixed plate, and the upper brake block and the lower brake block are oppositely arranged on the hydraulic cylinder.

The radar antenna according to the second aspect of the invention comprises a radar rotating part and a radar driving part, wherein the radar rotating part is connected to the radar driving part and is driven to rotate by the radar driving part, and a protection device is arranged between the radar driving part and the radar rotating part.

The radar antenna provided by the embodiment of the invention at least has the following beneficial effects: set up protection device between radar rotating part and the radar driver part, the rotatory process of restriction radar can play the effect that reduces wind moment under the typhoon situation, realizes the continuous and stable rotation process of radar, avoids the radar rotating part to rotate more fast under the condition that wind-force promoted, can effectual reduction radar at the loss of work under adverse circumstances, plays very good guard action to the radar.

According to the mounting method of the protection device of the third aspect embodiment of the invention, the following mounting steps are included: step a, a left brake piece is installed on a left installation frame, a right brake piece is installed on a right installation frame, and the left installation frame and the right installation frame are detachably and fixedly connected to a radar rotating part; b, mounting connecting sheets on the joint surfaces of the left brake pad and the right brake pad; and c, oppositely installing a left rotating connecting plate and a right rotating connecting plate on the radar driving part, installing a fixed plate on the left rotating connecting plate and the right rotating connecting plate, and then installing a hydraulic cylinder with an upper brake block and a lower brake block on the fixed plate to enable the brake disc to be arranged between the upper brake block and the lower brake block.

The installation method of the protection device provided by the embodiment of the invention at least has the following beneficial effects: the installation process of the protection device on the radar antenna is rapidly realized, the installation problem of the braking device on the radar antenna is solved, a brand-new installation method is provided, the protection device is gradually installed from inside to outside, the protection device can be installed under the condition that the radar body is not disassembled, and the purpose of protecting the expensive radar antenna and the radar fixing part (including the gear box) is achieved.

According to some embodiments of the invention, the left brake block and the right brake block are provided with a plurality of abdicating holes, and screws pass through the abdicating holes to be fixed on the convex columns.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is an exploded schematic view of the structure shown in FIG. 1;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Reference numerals:

radar rotating part 100, radar driving part 200, brake disc 300, left brake pad 310, right brake pad 320, left mounting frame 330, right mounting frame 340, convex column 350, brake assembly 400, upper brake pad 410, lower brake pad 420, adapter frame 500, fixing plate 510, left adapter plate 520, right adapter plate 530, connecting plate 600

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.