Rotation driving device for radar

Abstract

The utility model discloses a radar swing driving device, including chassis, drive mechanism, mounting mechanism and protection subassembly, drive mechanism includes motor, gear belt, swivel mount and first roller, mounting mechanism includes driving member, spring, fixed bolt, positioning frame and driven member, protection subassembly includes dust cover, limit disc and protection disc, and the drive mechanism includes motor, gear belt, swivel mount and first roller, mounting mechanism includes driving member, spring, fixed bolt, positioning frame and driven member, protection disc includes dust cover, limit disc and protection disc. Under the mutual matching action of the mechanisms, abrasion of key components such as gears and bearings can be reduced through stable rotation of the device, the service life of equipment is prolonged, in addition, the driving assembly can be rapidly installed and detached, and the equipment is easier and more convenient to maintain and replace.

Description

TECHNICAL FIELD

[0001] The utility model relates to radar drive technology field, concretely is a kind of rotary drive device for radar. BACKGROUND

[0002] Rotary drive device for radar (also called radar rotary drive system) is mechanical device specially used in radar system, mainly used to provide the rotary motion of radar antenna.

[0003] Traditional gear drive is easily affected by external factors and thus unstable in operation, and the unstable rotation can cause excessive vibration and noise, which not only affects the performance of the equipment, but also can affect the working environment of the operator.

[0004] Secondly, more tools and technical support are needed for complex installation and disassembly process, increasing the difficulty and cost of maintenance.

[0005] Finally, the lack of waterproof and dustproof protection can accelerate the wear and corrosion of equipment components, shorten the service life of radar system and increase the long-term operating cost. INVENTION CONTENTS

[0006] (I) technical problem solved

[0007] In view of the deficiencies of the prior art, the utility model provides a rotary drive device for radar to solve the technical problems mentioned in the background art.

[0008] (II) technical scheme

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a rotary drive device for radar, comprising a chassis, a driving mechanism, a mounting mechanism and a protection assembly, the driving mechanism comprises a motor, a gear belt, a rotating frame and a first roller, the motor is fixedly installed inside the chassis, the gear belt is installed at both ends of the motor and the rotating frame respectively, the rotating frame is installed on the chassis and is rotatably connected with the chassis, the first roller is installed on the rotating frame and is rotatably connected with the rotating frame and slidingly connected with the chassis respectively, the mounting mechanism comprises a driving part, a spring, a fixing bolt, a positioning frame and a driven part, the driving part is installed at the output end of the motor, the spring is installed inside the rotating frame, and the other end of the spring is fixedly connected with the positioning frame, the fixing bolt is installed on the driven part and is connected with the driven part and the rotating frame respectively, the positioning frame is installed on the rotating frame and is slidingly connected with the rotating frame, and the driven part is fixedly installed on the rotating frame through the fixing bolt.

[0010] Preferably, the protection assembly comprises a dust cover, a limiting disc and a protection disc, the dust cover is fixedly installed on the rotating frame, the limiting disc is fixedly installed on the chassis and is rotatably connected with the rotating frame, and the protection disc is fixedly installed on the limiting disc and is rotatably connected with the rotating frame.

[0011] In a further preferred embodiment, the rotating frame is provided with a connecting shaft and a driving shaft, the first roller is mounted on the connecting shaft, and the follower is mounted on the driving shaft, so as to facilitate stable operation of the rotating frame.

[0012] In a further preferred embodiment, the rotating frame is provided with a sealing edge, and the protective disc is provided with a sealing groove, the sealing edge slides in the sealing groove, so as to facilitate dustproof and waterproof protection of the rotating frame.

[0013] In a further preferred embodiment, the bottom disc is internally provided with a pressure bearing plate, the pressure bearing plate is provided with a pressure bearing groove, and the first roller slides in the pressure bearing groove, so as to facilitate more stable rotation of the rotating frame with the bottom disc.

[0014] In a further preferred embodiment, the bottom disc is provided with a connecting groove, the rotating frame is provided with a second roller, and the second roller slides in the connecting groove, so as to facilitate reduction of friction between the rotating frame and the bottom disc.

[0015] In a further preferred embodiment, the driving shaft is provided with a positioning hole, the positioning frame is provided with a positioning rod, and the positioning rod is connected with the positioning hole, so as to facilitate positioning connection between the driving shaft and the follower.

[0016] In a further preferred embodiment, the driving shaft and the follower are provided with a pad plate, the positioning frame is provided with a threaded hole, and the threaded hole is connected with a fixing bolt, so as to facilitate connection between the positioning frame and the fixing bolt.

[0017] (Three) beneficial effects

[0018] Compared with the prior art, the radar rotary drive device has the following beneficial effects:

[0019] In the utility model, through the mutual cooperation of the motor, the gear belt, the rotating frame and the first roller and the like components, the stable rotation of the device can reduce the abrasion of the key components such as the gear and the bearing, and prolong the service life of the equipment.

[0020] In the utility model, through the mutual cooperation of the driving member, the spring, the fixing bolt, the positioning frame and the follower and the like components, the device can quickly install and dismount the driving assembly, so that the maintenance and replacement of the equipment become more convenient.

[0021] In the utility model, through the mutual cooperation of the dust cover, the limiting disc and the protective disc and the like components, the waterproof and dustproof design of the device can protect the radar system from the invasion of external environmental factors such as water, dust and salt mist, and significantly improve the reliability and durability of the system. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a general structure schematic view of a rotary driving device for radar in the utility model;

[0023] Figure 2 It is an exploded view of the protection assembly in the utility model;

[0024] Figure 3 It is a cross-sectional view of the internal structure of the rotary frame in the utility model;

[0025] Figure 4 It is an exploded view of the driving mechanism in the utility model;

[0026] Figure 5 It is an exploded view of the mounting mechanism in the utility model.

[0027] In the figure: 1, base; 2, motor; 3, gear belt; 4, rotary frame; 5, first roller; 6, driving piece; 7, spring; 8, fixing bolt; 9, positioning frame; 10, driven piece; 11, dust cover; 12, limiting disc; 13, protection disc; 14, connecting shaft; 15, driving shaft; 16, sealing edge; 17, sealing groove; 18, pressure bearing plate; 19, pressure bearing groove; 20, connecting groove; 21, second roller; 22, positioning hole; 23, positioning rod; 24, pad plate; 25, threaded hole. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] Embodiment 1:

[0030] Please refer to Figures 1-5The utility model provides a kind of radar rotary drive device, including chassis 1, drive mechanism, mounting mechanism and protection assembly, the drive mechanism includes motor 2, gear belt 3, rotating frame 4 and first roller 5, the motor 2 is fixedly installed in chassis 1 inside, gear belt 3 two ends are installed on motor 2 and rotating frame 4 respectively, rotating frame 4 is installed on chassis 1 and is rotatably connected with chassis 1, first roller 5 is installed on rotating frame 4 and is rotatably connected with rotating frame 4 and slidingly connected with chassis 1 respectively, the mounting mechanism includes driving piece 6, spring 7, fixed bolt 8, positioning frame 9 and driven piece 10, driving piece 6 is installed on the output end of motor 2, spring 7 is installed in rotating frame 4 inside its other end is fixedly connected with positioning frame 9, fixed bolt 8 is installed on driven piece 10 and is connected with driven piece 10 and rotating frame 4 respectively, positioning frame 9 is installed on rotating frame 4 and is slidingly connected with rotating frame 4, driven piece 10 is fixedly installed on rotating frame 4 by fixed bolt 8.

[0031] In the embodiment, the drive mechanism includes motor 2, gear belt 3, rotating frame 4 and first roller 5, when using, the motor 2 drives the driving piece 6 installed on the output end of the motor 2 to rotate directly, then under the rotation of the driving piece 6, the gear belt 3 rotates, drives the driven piece 10 installed on the rotating frame 4 to rotate, so that the rotating frame 4 can rotate on the chassis 1, and when the rotating frame 4 rotates, the second roller 21 installed on the rotating frame 4 slides in the connecting groove 20 of the chassis 1, and the connecting shaft 14 on the drive shaft 15 drives the first roller 5 to rotate in the pressure groove 19 of the pressure plate 18 of the chassis 1, so that the rotation of the rotating frame 4 is stable and the friction between the rotating frame 4 and the chassis 1 is reduced, and in order to prevent damage to the parts of the rotating device, the dust cover 11 installed on the rotating frame 4 also rotates with the rotating frame 4, and the sealing edge 16 on the rotating frame 4 also rotates in the sealing groove 17 on the protection disc 13 in the limiting disc 12 installed on the chassis 1, so that the rotating chassis 1 and the rotating frame 4 are waterproof and dustproof during rotation, prolonging the service life.

[0032] In the embodiment, the mounting mechanism includes driving piece 6, spring 7, fixed bolt 8, positioning frame 9 and driven piece 10, when using, if the gear belt 3 needs to be replaced, the fixed bolt 8 installed inside the driven piece 10 rotates, the fixed bolt 8 and the screw hole 25 on the positioning frame 9 are reversely threaded at this time, so that the engagement state is released, so that the positioning frame 9 can pull out the positioning rod 23 in the positioning hole 22 of the driven piece 10 under the action of the compressed spring 7, so that the driven piece 10 can be separated from the drive shaft 15, so that the gear belt 3 is convenient to disassemble, when it needs to be installed, the gear belt 3 is installed on the driven piece 10 at this time, the backing plate 24 on the driven piece 10 will support the gear belt 3, and when rotating, the backing plate 24 will also limit the operation of the gear belt 3.

[0033] Embodiment 2:

[0034] In summary, in use, first need to check the drive mechanism, if need to replace the gear belt 3, the rotating installation in the fixed bolt 8 on the driven 10 at this time, the fixed bolt 8 and the threaded hole 25 on the positioning frame 9 at this time are engaged in reverse thread, thereby releasing the engagement state, so that the positioning frame 9 can pull out the positioning rod 23 in the positioning hole 22 of the driven 10 under the action of the compressed spring 7, so that the driven 10 can be separated from the drive shaft 15, so that the gear belt 3 is convenient to disassemble, when need to install, the gear belt 3 is installed on the driven 10 at this time, the backing plate 24 on the driven 10 will support the gear belt 3, and when rotating, the backing plate 24 will also limit the gear belt 3 to run, then run the device, the motor 2 drives the driving piece 6 installed on the output end of the motor 2 to rotate at this time, then under the rotation of the driving piece 6, the gear belt 3 rotates, driving the driven 10 installed on the rotating frame 4 to rotate, so that the rotating frame 4 can rotate on the chassis 1, and when the rotating frame 4 rotates, the second roller 21 installed on the rotating frame 4 slides in the connecting groove 20 of the chassis 1, and the connecting shaft 14 on the drive shaft 15 drives the first roller 5 to rotate in the pressure groove 19 of the pressure plate 18 of the chassis 1, so that the rotation of the rotating frame 4 is stable and the friction between the rotating frame 4 and the chassis 1 is reduced, and in order to prevent damage to the parts of the rotating device, the dust cover 11 installed on the rotating frame 4 also rotates with the rotating frame 4 at this time, and the sealing edge 16 on the rotating frame 4 also rotates in the sealing groove 17 on the protection disc 13 in the limiting disc 12 installed on the chassis 1, so as to prevent water and dust when rotating between the chassis 1 and the rotating frame 4, prolong the service life.

[0035] In all the above schemes, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut cooperation connection, bolt or screw connection or other known connection mode, which will not be described here. In the above, whenever fixed connection is involved, welding is preferred. Although embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A rotary drive for radar comprising a base plate (1), a drive mechanism, a mounting mechanism and a protection assembly, characterized in that, The driving mechanism comprises a motor (2), a gear belt (3), a rotating frame (4) and a first roller (5), the motor (2) is fixedly installed inside the chassis (1), the gear belt (3) is installed at the motor (2) and the rotating frame (4) respectively at two ends, the rotating frame (4) is installed on the chassis (1) and is rotatably connected with the chassis (1), the first roller (5) is installed on the rotating frame (4) and is rotatably connected with the rotating frame (4) and slidably connected with the chassis (1) respectively, the mounting mechanism comprises a driving piece (6), a spring (7), a fixed bolt (8), a positioning frame (9) and a driven piece (10), the driving piece (6) is installed at the output end of the motor (2), the spring (7) is installed inside the rotating frame (4) and is fixedly connected with the positioning frame (9) at the other end, the fixed bolt (8) is installed on the driven piece (10) and is connected with the driven piece (10) and the rotating frame (4) in cooperation respectively, the positioning frame (9) is installed on the rotating frame (4) and is slidably connected with the rotating frame (4), and the driven piece (10) is fixedly installed on the rotating frame (4) through the fixed bolt (8).

2. A rotary drive device for a radar according to claim 1, characterized in that: The protection assembly comprises a dust cover (11), a limiting disc (12) and a protection disc (13), the dust cover (11) is fixedly installed on the rotating frame (4), the limiting disc (12) is fixedly installed on the chassis (1) and is rotatably connected with the rotating frame (4), and the protection disc (13) is fixedly installed on the limiting disc (12) and is rotatably connected with the rotating frame (4).

3. A rotary drive apparatus for a radar according to claim 2, characterized in that: The rotating frame (4) is provided with a connecting shaft (14) and a driving shaft (15), the first roller (5) is installed on the connecting shaft (14), and the driven piece (10) is installed on the driving shaft (15).

4. A rotary drive apparatus for a radar according to claim 2, characterized in that: The rotating frame (4) is provided with a sealing edge (16), the protection disc (13) is provided with a sealing groove (17), and the sealing edge (16) slides in the sealing groove (17).

5. A rotary drive apparatus for a radar according to claim 1, wherein: The inside of the chassis (1) is provided with a pressure bearing plate (18), the pressure bearing plate (18) is provided with a pressure bearing groove (19), and the first roller (5) slides in the pressure bearing groove (19).

6. A rotary drive apparatus for a radar according to claim 5, wherein: The chassis (1) is provided with a connecting groove (20), the rotating frame (4) is provided with a second roller (21), and the second roller (21) slides in the connecting groove (20).

7. A rotary drive apparatus for a radar according to claim 3, wherein: The driving shaft (15) is provided with a positioning hole (22), the positioning frame (9) is provided with a positioning rod (23), and the positioning rod (23) is connected with the positioning hole (22) in cooperation.

8. A rotary drive apparatus for a radar according to claim 7, characterized in that: The driving shaft (15) and the driven piece (10) are provided with a backing plate (24), the positioning frame (9) is provided with a threaded hole (25), and the threaded hole (25) is connected with the fixed bolt (8) in cooperation.

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