Multi-joint launcher for satellite navigation antenna

By introducing signal forwarding components and lifting and adjustment structure into the multi-linked transmitter of the drone, the problem of upper drone blocking the lower navigation is solved, and precise positioning and stable transmission are achieved before the drone is launched.

CN223237992UActive Publication Date: 2025-08-19BEIJING ANGFEI TECH CO LTD
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Patent Information

Application Number
CN202422791653.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-15
Publication Date
2025-08-19
Estimated Expiration
2034-11-15

AI Technical Summary

Technical Problem

When the existing multi-unit launcher of drones is stacked up and down, the upper drone can block the satellite navigation of the lower drone, resulting in the inability to complete precise positioning before launch.

Method used

A multi-transmitter mount for satellite navigation antennas is designed, including a multi-layer transmitter bracket, a lifting adjustment frame, a signal forwarding assembly and a telescopic adjustment member. The precise transmission of satellite signals is achieved through the signal receiving antenna, a transponder and a transmitting antenna, and the angle and height of the bracket are adjusted by a combination of lifting screws and crossbars.

Benefits of technology

It realizes accurate positioning before the drone launch, and improves the accuracy and stability of the drone launch.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a multi-launch launcher for a satellite navigation antenna in the technical field of unmanned aerial vehicle launch, which comprises a plurality of layers of launch brackets, the bottoms of the plurality of layers of launch brackets are connected with two groups of lifting adjusting brackets through rotating pieces, and the bottoms of the two groups of lifting adjusting brackets are both provided with fixed brackets; a telescopic adjusting piece is installed between the two sets of fixing supports. Wherein one side of one group of fixing supports is detachably provided with a placing frame, the top of the placing frame is provided with a signal forwarding assembly used for forwarding satellite signals to each layer of transmitting supports, and the signal forwarding assembly comprises a signal transponder installed at the top of the placing frame. The unmanned aerial vehicle multi-launch launcher solves the problems that an existing unmanned aerial vehicle multi-launch launcher is usually arranged in a multi-layer mode, the multi-launch launcher can be stacked up and down, and after unmanned aerial vehicles are loaded into the launcher, the unmanned aerial vehicle on the upper layer can shield satellite navigation of the unmanned aerial vehicle on the lower layer, so that accurate positioning cannot be completed before launching.
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Description

Technical Field

[0001] The utility model relates to the technical field of unmanned aerial vehicle (UAV) launch, in particular to a multi-launch launch rack for satellite navigation antennas. Background Art

[0002] The aerial launch method uses a carrier aircraft to transport the UAV to the mission area and then launch it, which increases the UAV's cruising radius, gets rid of the limitations of ground airports, and increases the flexibility of UAV take-off and landing.

[0003] Existing multi-launch racks for drones are usually arranged in multiple layers, and the multi-launch racks are stacked up and down. When the drones are loaded into the launch racks, the drones on the upper layer will block the satellite navigation of the drones on the lower layer, resulting in the inability to complete accurate positioning before launch. Therefore, technical personnel in this field provide a multi-launch rack for satellite navigation antennas to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the present utility model is to provide a multi-transmitter launcher for a satellite navigation antenna to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a multi-launch launcher for a satellite navigation antenna, comprising a multi-layer launch bracket, wherein the bottom of the multi-layer launch bracket is connected to two sets of lifting adjustment brackets via a rotating member, and the bottoms of the two sets of lifting adjustment brackets are each provided with a fixed bracket, and a telescopic adjustment member is installed between the two sets of fixed brackets;

[0006] A placement rack is detachably mounted on one side of one group of the fixed brackets, and a signal forwarding component for forwarding satellite signals to each layer of transmitting brackets is mounted on the top of the placement rack.

[0007] Preferably, the signal forwarding component includes a signal repeater installed on the top of the placement rack, a signal receiving antenna is installed on the signal repeater, and each layer of the transmitting bracket is equipped with multiple groups of signal transmitting antennas connected to the signal repeater via cables.

[0008] Preferably: the lifting adjustment frame includes two groups of symmetrical movable rods that are installed inside the fixed bracket for sliding up and down, the top ends of the two groups of movable rods are connected to the launching bracket through rotating parts, a cross bar is connected between the top ends of the two groups of movable rods, the bottom of the cross bar is rotatably connected to an adjusting part that controls its height, and the adjusting part is connected to the fixed bracket.

[0009] Preferably, the adjusting member comprises a threaded sleeve detachably mounted on the fixed bracket, the internal thread of the threaded sleeve is connected to a lifting screw, and the top end of the lifting screw is rotatably connected to the cross bar through a bearing.

[0010] Preferably, a turntable is welded on the lifting screw, and the turntable is located between the threaded sleeve and the cross bar.

[0011] Preferably: the rotating part includes a corner plate detachably mounted on the bottom of the launching bracket, two sets of upper and lower limit bolts are installed on the top of the movable rod, the limit bolts at the bottom are rotatably connected to the corner plate, and an arc-shaped slide groove is opened inside the corner plate to accommodate the top limit bolt.

[0012] Preferably, a locking bolt is threadedly connected to the top end of the fixing bracket, and the end of the locking bolt extends into the circular hole inside the movable rod.

[0013] Preferably, the telescopic adjustment member includes a first slide rod welded on one group of fixed brackets, and a second slide rod welded on another group of fixed brackets that slides and extends into the interior of the first slide rod, and the first slide rod is threadedly connected with a positioning bolt that extends into the interior of the second slide rod.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. In the present invention, a signal repeater, a signal receiving antenna and a signal transmitting antenna are provided. The signal receiving antenna is responsible for receiving satellite signals, and the received signals are given to the signal repeater. The signal repeater then sends them to the signal transmitting antenna. The signal transmitting antenna transmits the satellite signals to the satellite navigation antenna on the UAV, thereby realizing satellite signal forwarding. It can facilitate the accurate transmission of satellite signals to the corresponding UAV, thereby improving the accuracy of the UAV positioning before launch.

[0016] 2. In the present invention, a lifting screw is provided which can be adjusted up and down inside the threaded sleeve, and the lifting screw drives the cross bar and the movable bar to slide up and down at the same time. The movable bar can drive the launch bracket to move through the rotating part. The adjustment of the two sets of lifting adjustment frames can facilitate the accurate control of the angle and height of the launch bracket. A first slide bar and a second slide bar are further provided to connect the two sets of fixed brackets, which can enhance the stability of the device support, and the first slide bar and the second slide bar are telescopically adjustable, which can facilitate the adaptation of the frame to different launch brackets. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a bottom view of the overall structure of the utility model;

[0019] Figure 3 For this utility model Figure 2 A magnified view of center.

[0020] In the figure: 1. Transmitting bracket; 2. Fixed bracket; 3. Placement rack; 4. Signal repeater; 5. Signal receiving antenna; 6. Signal transmitting antenna; 7. Movable rod; 8. Cross bar; 9. Threaded sleeve; 10. Lifting screw; 11. Turntable; 12. Angle plate; 13. Limit bolt; 14. Arc-shaped slide; 15. Locking bolt; 16. First slide bar; 17. Second slide bar; 18. Positioning bolt. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figures 1 to 3 In an embodiment of the utility model, a multi-transmitter launcher for a satellite navigation antenna includes a multi-layer launch bracket 1. The bottom of the multi-layer launch bracket 1 is connected to two groups of lifting adjustment brackets through a rotating part. The bottom of the two groups of lifting adjustment brackets are provided with fixed brackets 2. A telescopic adjustment member is installed between the two groups of fixed brackets 2. One side of one group of fixed brackets 2 is detachably installed with a placement bracket 3. The top of the placement bracket 3 is installed with a signal forwarding component for forwarding satellite signals to each layer of the launch bracket 1.

[0023] When the device is in use, the telescopic adjustment part is used to adjust the distance between the two groups of fixed brackets 2, and the lifting adjustment frame on the top of the fixed bracket 2 is adjusted. The rotating part can drive the top launch bracket 1 to rise and fall. One group of lifting adjustment frames rotates to adjust the angle of the launch bracket 1, which is convenient and flexible to adjust the angle, height, etc. of the launch bracket 1. It is also equipped with a signal forwarding component, which can facilitate the accurate transmission of satellite signals to the corresponding drone, thereby improving the accuracy of drone positioning before launch.

[0024] In one embodiment, specifically, the signal forwarding component includes a signal repeater 4 installed on the top of the placement rack 3, and a signal receiving antenna 5 is installed on the signal repeater 4. Each layer of the transmitting bracket 1 is installed with multiple groups of signal transmitting antennas 6 connected to the signal repeater 4 through cables. The signal receiving antenna 5 is responsible for receiving satellite signals, and the received signal is given to the signal repeater 4, and the signal repeater 4 then sends it to the signal transmitting antenna 6. The signal transmitting antenna 6 transmits the satellite signal to the satellite navigation antenna on the drone to realize satellite signal forwarding.

[0025] In one embodiment, specifically, the lifting and adjusting frame includes two groups of symmetrical movable rods 7 that are installed inside the fixed bracket 2 for sliding up and down. The top ends of the two groups of movable rods 7 are connected to the launching bracket 1 through rotating parts. A cross bar 8 is connected between the top ends of the two groups of movable rods 7. The bottom of the cross bar 8 is rotatably connected to an adjusting part that controls its height. The adjusting part is connected to the fixed bracket 2, wherein the adjusting part includes a threaded sleeve 9 that is detachably installed on the fixed bracket 2. The internal thread of the threaded sleeve 9 is connected to a lifting screw 10, and the top end of the lifting screw 10 is rotatably connected to the cross bar 8 through a bearing.

[0026] The staff rotates the lifting screw 10, and the lifting screw 10 can move up and down inside the threaded sleeve 9. The lifting screw 10 also drives the cross bar 8 at the top to move up and down. The cross bar 8 drives the movable rods 7 at both ends to slide up and down inside the fixed bracket 2. The movable rod 7 can drive the launching bracket 1 to move through the rotating part. Furthermore, a turntable 11 is welded on the lifting screw 10. The turntable 11 is located between the threaded sleeve 9 and the cross bar 8, which can facilitate the staff to rotate the lifting screw 10.

[0027] Correspondingly, the rotating part includes an angle plate 12 that can be detachably mounted on the bottom of the launching bracket 1. Two sets of upper and lower limiting bolts 13 are installed on the top of the movable rod 7. The bottom limiting bolt 13 is rotatably connected to the angle plate 12. The interior of the angle plate 12 is provided with an arc-shaped slide groove 14 for accommodating the top limiting bolt 13. The movable rod 7 can drive the angle plate 12 and the launching bracket 1 to move through the bottom limiting bolt 13. The lifting adjustment frame on the other side is fixed, which can facilitate the launching bracket 1 to drive the angle plate 12 to rotate and adjust on the limiting bolt 13.

[0028] Furthermore, the top end of the fixed bracket 2 is threadedly connected with a locking bolt 15, and the end of the locking bolt 15 extends into the circular hole inside the movable rod 7. After the angle and height of the launching bracket 1 are adjusted, the movable rod 7 is fixed with the locking bolt 15, which can conveniently improve the overall support strength of the device.

[0029] In one embodiment, specifically, the telescopic adjustment member includes a first slide bar 16 welded on one group of fixed brackets 2, and a second slide bar 17 welded on the other group of fixed brackets 2 to slide and extend to the inside of the first slide bar 16. The first slide bar 16 is threadedly connected with a positioning bolt 18 extending to the inside of the second slide bar 17. A first slide bar 16 and a second slide bar 17 are added between the two groups of fixed brackets 2, which can improve the stability of the device support, and the first slide bar 16 and the second slide bar 17 are telescopically adjustable, which can facilitate the frame to adapt to different launch brackets 1 for use.

[0030] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A multi-transmitter launcher for a satellite navigation antenna, comprising a multi-layer launch bracket (1), characterized in that: The bottom of the multi-layered launching bracket (1) is connected to two groups of lifting adjustment brackets via a rotating member, the bottoms of the two groups of lifting adjustment brackets are both provided with fixed brackets (2), and a telescopic adjustment member is installed between the two groups of fixed brackets (2); A placement rack (3) is detachably mounted on one side of one set of the fixed brackets (2), and a signal forwarding component for forwarding satellite signals to each layer of the transmitting brackets (1) is mounted on the top of the placement rack (3).

2. The multi-transmitter launcher for a satellite navigation antenna according to claim 1, characterized in that: The signal forwarding component comprises a signal repeater (4) mounted on the top of the placement rack (3), a signal receiving antenna (5) being mounted on the signal repeater (4), and a plurality of signal transmitting antennas (6) connected to the signal repeater (4) via cables being mounted on each layer of the transmitting bracket (1).

3. The multi-transmitter launcher for a satellite navigation antenna according to claim 1, characterized in that: The lifting adjustment frame comprises two groups of symmetrical movable rods (7) which are slidably mounted inside a fixed bracket (2) up and down, the top ends of the two groups of movable rods (7) being connected to the launching bracket (1) via rotating parts, a cross bar (8) being connected between the top ends of the two groups of movable rods (7), and an adjusting part for controlling the height of the cross bar (8) being rotatably connected at the bottom end thereof, and the adjusting part being connected to the fixed bracket (2).

4. The multi-transmitter launcher for a satellite navigation antenna according to claim 3, characterized in that: The adjusting member comprises a threaded sleeve (9) detachably mounted on a fixed bracket (2); the internal thread of the threaded sleeve (9) is connected to a lifting screw (10); the top end of the lifting screw (10) is rotatably connected to a crossbar (8) via a bearing.

5. The multi-transmitter launcher for a satellite navigation antenna according to claim 4, characterized in that: A turntable (11) is welded on the lifting screw (10), and the turntable (11) is located between the threaded sleeve (9) and the crossbar (8).

6. The multi-transmitter launcher for a satellite navigation antenna according to claim 3, characterized in that: The rotating part includes an angle plate (12) detachably mounted on the bottom of the launching bracket (1); the top of the movable rod (7) is provided with two sets of upper and lower limiting bolts (13); the limiting bolts (13) at the bottom are rotatably connected to the angle plate (12); and an arc-shaped sliding groove (14) is provided inside the angle plate (12) for accommodating the top limiting bolts (13).

7. The multi-transmitter launcher for a satellite navigation antenna according to claim 6, characterized in that: The top end of the fixing bracket (2) is threadedly connected to a locking bolt (15), and the end of the locking bolt (15) extends into a circular hole inside the movable rod (7).

8. The multi-transmitter launcher for a satellite navigation antenna according to claim 1, characterized in that: The telescopic adjustment member comprises a first slide bar (16) welded on one set of fixed brackets (2), a second slide bar (17) welded on the other set of fixed brackets (2) and slidingly extending into the interior of the first slide bar (16), and a positioning bolt (18) threadedly connected to the first slide bar (16) and extending into the interior of the second slide bar (17).