Radar servo turntable system

Abstract

The utility model belongs to the technical field of radars, and particularly relates to a radar servo turntable system. The servo rotary table comprises a servo system and a rotary table system connected to the output end of the servo system. The rotary table support comprises a mounting plate and hanging plates symmetrically connected to the two sides of the mounting plate, the mounting plate is provided with a first connecting position used for fixing a radar antenna, the upper edge of each hanging plate is fixedly connected with the side edge of the mounting plate, and the outer side face of each hanging plate is provided with a hanging position. A second connecting position connected with the output end of the rotary table system is formed on the inner side face of the hanging plate. The utility model is used for solving the problems of large torque load and short service life of the radar servo turntable system. The output end of the rotary table system is connected with the hanging plate of the rotary table support, the hanging plate is connected to the lower edge of the mounting plate, the overall gravity center of the support and the radar antenna above is lowered, the servo system rotates more stably, and the rotary table system drives the rotary table support to rotate more stably.

Description

TECHNICAL FIELD

[0001] The utility model belongs to radar technical field, concretely relates to a radar servo turntable system. BACKGROUND

[0002] The radar servo turntable is a key component in the radar system, and is mainly used for driving the radar antenna to perform accurate azimuth and elevation rotation, so as to realize the search, tracking and measurement of the target.

[0003] At present, the servo turntable system of the radar is usually driven by a servo device to rotate a Y-shaped support, the Y-shaped support is installed on the servo device, then, a driving motor is arranged at the top of the two ends of the Y-shaped support, and the driving motor drives the radar antenna located between the Y-shaped supports to perform the elevation action.

[0004] However, when the current radar servo turntable rotates, since the servo turntable system needs to drive the upper support, the driving motor and the radar antenna to rotate, the overall upper center of gravity is high, and the torque load required to be borne by the motor shaft of the servo turntable is large, and the structure is prone to damage after long-time operation, thereby reducing the service life of the servo turntable structure. TECHNICAL SOLUTION

[0005] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art, and provide a radar servo turntable system, which is used to solve the problems of large torque load and low service life of the radar servo turntable system. The servo system directly drives the turntable system to rotate horizontally, the output end of the turntable system is connected with the hanging plate of the turntable support, the radar antenna on the mounting plate is driven to move through the hanging plate, the hanging plate is connected at the lower edge of the mounting plate, the center of gravity of the support and the upper radar antenna is reduced, the servo system is more stable when rotating, and the turntable system is also more stable when driving the turntable support to rotate

[0006] The technical solution for solving the above technical problem is as follows: a radar servo turntable system, comprising:

[0007] A servo turntable, the servo turntable comprising a servo system and a turntable system connected to the output end of the servo system, the servo system being used to drive the turntable system to rotate horizontally;

[0008] A turntable support, the turntable support comprising a mounting plate and a hanging plate symmetrically connected to the two sides of the mounting plate, the mounting plate being provided with a first connecting position for fixing the radar antenna, the upper edge of the hanging plate being connected and fixed with the side edge of the mounting plate, the outer side of the hanging plate being provided with a mounting position, and the inner side of the hanging plate being formed with a second connecting position connected with the output end of the turntable system.

[0009] Compared with the prior art, the above technical scheme has the following beneficial effects:

[0010] The servo system directly drives the rotary table system to rotate horizontally, the output end of the rotary table system is connected with the hanging plate of the rotary table support, the radar antenna on the mounting plate is driven to move through the hanging plate, the hanging plate is connected to the lower edge of the mounting plate, the gravity center of the support and the radar antenna above is lowered, the servo system is more stable when rotating, and the rotary table system drives the rotary table support to rotate more stably.

[0011] On the basis of the above technical scheme, the embodiments of the present application can also be improved as follows:

[0012] In an embodiment, the rotary table system comprises:

[0013] The rotary table box body is provided with bearing holes on both sides;

[0014] The transmission shaft is arranged in the bearing hole, and the two ends of the transmission shaft protrude out of the bearing hole and are connected and fixed with the second connecting position of the hanging plate;

[0015] The first driving motor is installed in the rotary table box body, and the output end of the first driving motor is drivingly connected with the transmission shaft through a transmission mechanism.

[0016] By arranging the first driving motor in the rotary table box body, the transmission shaft is driven to rotate, and the rotary table support is driven by the transmission shaft, so that the gravity center of the whole rotary table system is relatively concentrated and located above the servo system, and the stability during rotation is better.

[0017] In an embodiment, the transmission shaft is hollow inside, and a wire hole communicating with the inside of the transmission shaft is arranged on the transmission shaft.

[0018] By arranging the wire inside the hollow transmission shaft, the wire is prevented from being pulled and scratched during rotation of the rotary table support, and only a certain amount of wire is left in the rotary table box body, so that the rotary table support can rotate without rotating the wire, and the wire is not affected.

[0019] In an embodiment, protective box bodies are respectively arranged at the two ends of the transmission shaft on both sides of the rotary table box body, and the transmission mechanism is arranged in the protective box bodies.

[0020] In an embodiment, the servo system comprises:

[0021] The servo box body is provided with a bearing member connected with the rotary table system at the top;

[0022] The rotating shaft penetrates through the top of the servo box body and is connected with the rotary table system;

[0023] A second driving motor is arranged in the servo box body, and an output end of the second driving motor is in transmission connection with the rotating shaft.

[0024] In an embodiment, proximity switches are arranged at intervals on the outer periphery of the rotating shaft, and protrusions corresponding to the proximity switches are arranged on the rotating shaft.

[0025] In an embodiment, a counterweight assembly is further arranged, and the counterweight assembly is symmetrically arranged on both sides of the hanging plate, and the top of the counterweight assembly is connected with the bottom edge of the hanging plate.

[0026] In an embodiment, the counterweight assembly comprises:

[0027] A connecting block is connected to the bottom edge of the outer side of the hanging plate.

[0028] A plurality of counterweight blocks are arranged, and a connecting hole is arranged at the top of each counterweight block, and the plurality of counterweight blocks are stacked in sequence and connected with the connecting block through the connecting holes.

[0029] In an embodiment, a mounting bracket is arranged on the mounting position of the outer side of the hanging plate, and the mounting bracket comprises at least two mounting protrusions arranged at intervals, a plurality of first mounting holes are arranged at the top of the mounting protrusions, and a mounting portion is formed outward at the bottom of the side surface of the mounting protrusions, and a plurality of second mounting holes for connecting with the mounting plate are arranged on the mounting portion.

[0030] In an embodiment, a wire hole is arranged at the center of each of the first connecting position and the second connecting position, and two box bodies are arranged on the mounting bracket on both sides of the mounting plate, and at least one support column with an internal hollow is arranged between the wire hole at the center of the second connecting position and the box body. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0032] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0033] Figure 2 It is a schematic diagram of the longitudinal cross-sectional structure of the present application. Figure 1

[0034] Reference signs:

[0035] ​1, servo system; 2, turntable system; 3, bearing piece; 4, turntable support; 5, first connection site; 6, second connection site; 7, mounting support; 8, counterweight assembly; 9, wire hole; 10, box; 11, support column;

[0036] 101, servo box; 102, rotating shaft; 103, proximity switch; 104, protrusion;

[0037] 201, turntable box; 202, transmission shaft; 203, protective box; 204, wire inlet hole;

[0038] 401, mounting plate; 402, hanging plate;

[0039] 701, mounting convex strip; 702, first mounting hole; 703, mounting part; 704, second mounting hole;

[0040] 801, connecting block; 802, counterweight block; 803, connecting hole. DETAILED DESCRIPTION

[0041] The embodiments of the technical scheme of the present application will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0042] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the present application should be understood as the usual meaning understood by the technical personnel in the field to which the present application belongs.

[0043] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0044] In addition, the terms "first", "second" and the like are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0045] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integral; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0046] As shown in Figures 1-2 The utility model provides a radar servo turntable system 2, it includes: servo turntable and install on servo turntable's turntable support 4.

[0047] Servo turntable includes servo system 1 and connects on servo system 1 output end's turntable system 2, servo system 1 is used to drive turntable system 2 horizontal rotation, turntable system 2 is used to drive turntable support 4 to carry out the action of pitching, servo system 1 sets up at the bottom, and turntable system 2 is located on the output end of the top of servo system 1, and turntable support 4 is fixed on the output end of both sides of servo system 1.

[0048] Specifically, the turntable support 4 includes a mounting plate 401 and a hanging plate 402 symmetrically connected to both sides of the mounting plate 401, the mounting plate 401 is provided with a first connection site 5 for fixing a radar antenna, the first connection site 5 is located at the top center of the mounting plate 401, the upper edge of the hanging plate 402 is connected and fixed with the side edge of the mounting plate 401, so that the mounting plate 401 and the hanging plates 402 on both sides form an inverted U-shaped structure, the hanging plates 402 are located on both sides of the turntable system 2, the mounting portion 703 is connected between the top of the hanging plates 402, located at the top of the turntable system 2, and is spaced apart from the top of the turntable system 2 to avoid interference with the turntable system 2 during pitching, the outer side of the hanging plate 402 is provided with a mounting site, and the inner side of the hanging plate 402 is formed with a second connection site 6 connected with the output end of the turntable system 2, and the center of gravity of the mounting site of the hanging box 10 on both sides of the turntable support 4 can be kept at a height close to the turntable system 2.

[0049] The servo system 1 directly drives the turntable system 2 to rotate horizontally, and the output end of the turntable system 2 is connected with the hanging plate 402 of the turntable support 4, the radar antenna on the mounting plate 401 is driven to move through the hanging plate 402, the hanging plate 402 is connected to the lower edge of the mounting plate 401, the center of gravity of the bracket and the radar antenna above is lowered, the servo system 1 is more stable during rotation, and the turntable system 2 is also more stable when driving the turntable support 4 to rotate.

[0050] The turntable system 2 includes a turntable box 201, a transmission shaft 202, and a first drive motor.

[0051] The bearing holes are formed on the two sides of the turntable box 201, the transmission shaft 202 is horizontally arranged and penetrates the bearing holes, the two ends of the transmission shaft 202 extend out of the bearing holes and are connected and fixed with the second connecting positions 6 of the hanging plates 402, the first driving motor is installed in the turntable box 201, the output end of the first driving motor is drivingly connected with the transmission shaft 202 through a transmission mechanism, the transmission shaft 202 rotates in the bearing holes to drive the hanging plates 402 connected with the two ends to perform the pitching action, and the first driving motor and the transmission mechanism are not shown in the figure.

[0052] By arranging the first driving motor in the turntable box 201, the transmission shaft 202 is driven to rotate, and the transmission shaft 202 drives the turntable support 4, so that the gravity center of the whole turntable system 2 is relatively concentrated and located directly above the servo system 1, and the stability during rotation is better.

[0053] Specifically, the transmission shaft 202 is hollow, the transmission shaft 202 is provided with a wire inlet hole 204 communicating with the inside, and the wire inlet hole 204 is arranged in the inside of the turntable box 201, so that the wire in the inside of the turntable box 201 can pass through the hollow transmission shaft 202 and reach the outside of the turntable box 201 from the two ends.

[0054] The wire is arranged in the hollow transmission shaft 102, so that the wire is not scratched and abraded when the turntable support 4 rotates, and only a certain amount of wire is left in the inside of the turntable box 201, so that the turntable support 4 can rotate without rotating the wire during pitching, and the wire is not affected.

[0055] In order to protect the transmission mechanism of the first driving motor, the transmission mechanism can be connected with the output end of the first driving motor and the transmission shaft 202 in the form of meshing gear sets or transmission belts, the protective boxes 203 are respectively arranged at the two ends of the transmission shaft 202 on the two sides of the turntable box 201, and the transmission mechanism is arranged in the protective boxes 203.

[0056] In the embodiment, the servo system 1 comprises a servo box 101, a rotating shaft 102 and a second driving motor.

[0057] The top of the servo box 101 is provided with a bearing 3 connected with the turntable system 2, the outer ring of the bearing 3 is connected and fixed with the bottom of the turntable box 201, the inner ring of the bearing 3 is connected and fixed with the servo box 101, the rotating shaft 102 penetrates the top of the servo box 101 and is connected with the turntable system 2, the second driving motor is arranged in the servo box 101, the output end of the second driving motor is drivingly connected with the rotating shaft 102 to drive the rotating shaft 102 to rotate, and the turntable box 201 is further driven to rotate, and the second driving motor is not shown in the figure.

[0058] In an embodiment, the rotating shaft 102 is provided with proximity switches 103 at intervals around the outer periphery, and the rotating shaft 102 is provided with protrusions 104 corresponding to the proximity switches 103.

[0059] In order to reduce the gravity center of the whole rotating table support 4, a counterweight assembly 8 is further included, which is symmetrically arranged on both sides of the hanging plate 402, and the top of the counterweight assembly 8 is connected with the bottom edge of the hanging plate 402. By arranging the counterweight assembly 8 at the bottom edge of the hanging plate 402, the gravity center of the whole rotating table support 4 can be further reduced.

[0060] The counterweight assembly 8 includes a connecting block 801 and a plurality of counterweight blocks 802.

[0061] The connecting block 801 is connected to the outer bottom edge of the hanging plate 402, and the top of each counterweight block 802 is provided with a connecting hole 803. The plurality of counterweight blocks 802 are stacked in sequence and connected with the connecting block 801 through the connecting holes 803.

[0062] By assembling different numbers of counterweight blocks 802 at the bottom of the hanging plate 402 on both sides, the weight of the rotating table support 4 on both sides can be balanced. In addition, the connecting block 801 has a certain thickness, which can translate the counterweight blocks 802 connected thereon outward by a distance, so as to ensure that the counterweight blocks 802 hung below the connecting block 801 will not interfere with the inner side.

[0063] The hanging position on the outer side of the hanging plate 402 is provided with a hanging bracket 7, which includes at least two hanging convex strips 701 arranged at intervals. The top of each hanging convex strip 701 is provided with a plurality of first mounting holes 702, and the bottom of the side surface of each hanging convex strip 701 is outwardly formed with a mounting portion 703. The mounting portion 703 is provided with a plurality of second mounting holes 704 for connecting with the mounting plate 401.

[0064] The use of the hanging convex strip 701 can move the hanging position outward, so that the cabinet 10 mounted on the hanging convex strip 701 is arranged at intervals with the hanging plate 402 to form a gap, which facilitates heat dissipation of the cabinet 10.

[0065] Specifically, the cabinet 10 hung outside is connected through the first mounting hole 702. The bottom of the side surface of the hanging convex strip 701 is outwardly formed with a mounting portion 703, and the mounting portion 703 is provided with a plurality of second mounting holes 704 for connecting with the mounting plate 401. The second mounting hole 704 is connected and fixed with the hanging plate 402. A plurality of holes corresponding to the second mounting hole 704 can be arranged on the hanging plate 402, which are used to adaptively mount the hanging convex strip 701 on different positions on the hanging plate 402, so as to adapt to cabinets 10 of different specifications and sizes.

[0066] The first connection site 5 and the second connection site 6 are provided with wire passing holes 9 in the center, the wire passing holes 9 arranged in the center of the two connection sites can conveniently pass the wire of the device connected thereto into the wire passing holes 9, the wire is not abraded unnecessarily with the rotation of the support, and the second connection site 6 is connected with the output end of the rotary table system 2, the wire passing hole 9 and the hollow transmission shaft 202 are matched, the wire passing hole 9 is opposite to the hollow end of the transmission shaft 202, at this time, the end of the transmission shaft 202 is connected with the rotary table support 4 through a bearing, the wire in the transmission shaft 202 can pass through the end corresponding to the external wire passing hole 9, the other end of the transmission shaft 202 is fixedly connected with the second connection site 6 of the rotary table support 4, and is used for driving the rotary table support 4, so that the wire in the rotary table box 201 is passed to the mounting site on the outer side of the rotary table support 4 through the transmission shaft 202 and the wire passing hole 9, and the wire passing hole 9 arranged here can avoid abrasion of the wire due to rotation.

[0067] The mounting plate 401 is provided with two box bodies 10 on the two sides of the mounting bracket 7, the box body 10 is used for mounting a transceiver system and / or a power supply system, and at least one box body 10 is provided with an internally hollow support column 11 between the wire passing hole 9 in the center of the second connection site 6, the support column 11 is aligned with the second connection site 6 of the mounting plate 402, the support column 11 corresponds to the wire passing hole 9, so that the wire in the box body 10 arranged on the mounting bracket 7 can pass into the wire passing hole 9 and pass into the inner side of the mounting plate 402 of the support through the support column 11, and the gap between the box body 10 and the rotary table is connected through the support column 11, so that abrasion of the internal wire and the connecting piece during operation of the device can be reduced.

[0068] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A radar servo turntable system, characterized by, Include: Servo turntable, the servo turntable includes servo system and the turntable system connected on the output end of the servo system, the servo system is used to drive the turntable system horizontal rotation; The turntable support includes a mounting plate and a hanging plate symmetrically connected to both sides of the mounting plate, the mounting plate is provided with a first connecting position for fixing a radar antenna, the upper edge of the hanging plate is connected and fixed with the side edge of the mounting plate, the outer side of the hanging plate is provided with a hanging position, and the inner side of the hanging plate is formed with a second connecting position connected with the output end of the turntable system.

2. The radar servo gimbals system of claim 1, wherein, The turntable system includes: The turntable box is provided with bearing holes on both sides; The transmission shaft is hollow inside, and the transmission shaft is provided with a wire hole communicating with the inside. The turntable box is provided with a protective box on both sides at both ends of the transmission shaft, and the transmission mechanism is installed in the protective box.

3. The radar servo gimbals system of claim 2, wherein, The servo system includes:

4. The radar servo gimbals system of claim 2, wherein, The servo box is provided with a bearing connected with the turntable system on the top; 5. The radar servo gimbals system of claim 1, wherein, The rotating shaft penetrates through the top of the servo box and is connected with the turntable system; The second drive motor is arranged in the servo box, and the output end of the second drive motor is in transmission connection with the rotating shaft. The rotating shaft is provided with a proximity switch at intervals on the outer periphery, and the rotating shaft is provided with a protrusion corresponding to the proximity switch. Also includes a counterweight assembly, the counterweight assembly is symmetrically arranged on both sides of the hanging plate, and the top of the counterweight assembly is connected with the bottom edge of the hanging plate.

6. The radar servo gimbals system of claim 5, wherein, The counterweight assembly includes:

7. The radar servo gimbals system of claim 1, wherein, The connecting block is connected to the outer bottom edge of the hanging plate; 8. The radar servo gimbals system of claim 7, wherein, A plurality of counterweight blocks are stacked in sequence and connected with the connecting block through the connecting holes in the top of the counterweight blocks. The hanging bracket is installed on the hanging position of the outer side of the hanging plate, the hanging bracket includes at least two spaced hanging convex strips, the top of the hanging convex strip is provided with a plurality of first mounting holes, the side surface of the hanging convex strip is outwardly formed with a mounting portion, and a plurality of second mounting holes for connecting with the mounting plate are formed on the mounting portion. The first connecting position and the second connecting position are both provided with a wire hole, and two boxes are respectively installed on the hanging bracket on both sides of the mounting plate.

9. The radar servo gimbals system of claim 1, wherein, At least one support column with an internal cavity is arranged between the second connecting position and the wire hole in the center of the second connecting position.

10. The radar servo gimbals system of claim 9, wherein, ​

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