Powerful hook lock with self-locking function
By designing a powerful hook lock with a self-locking function, and using a pulley and locking mechanism to secure the drone, the problem of the drone falling off before ejection was solved, and reliable takeoff of the drone was achieved.
Patent Information
- Application Number
- CN202520020844.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-01-06
AI Technical Summary
The drone is prone to falling off the catapult when it starts up before launch, which can lead to launch failure.
Design a powerful hook lock with self-locking function, including a pulley, a drone release frame and a pulley locking mechanism. The drone is fixed by hooks and baffles, and the pulley is released by pulling rope to ensure that the drone does not fall off under the initial thrust of startup and slides smoothly during ejection.
Effectively secure the drone to prevent it from falling off, ensure successful ejection, and achieve reliable takeoff.
Smart Images

Figure CN223764732U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of drone catapult technology, and in particular to a powerful hook lock with a self-locking function. Background Technology
[0002] Unmanned aerial vehicle (UAV) catapult launch refers to the process of rapidly deploying a UAV to a predetermined altitude and speed using a specific launch device. The launch device can be a mechanical catapult, a pneumatic catapult, etc., which provides an instantaneous high speed to quickly accelerate the UAV from a stationary or low-speed state to flight speed. For medium-sized electric UAVs and engine-powered UAVs, a "start-then-launch" takeoff method is typically used. This involves starting the motor or engine first to provide the UAV with an initial thrust, ensuring the reliability of the catapult launch.
[0003] However, in the "start before ejection" takeoff method, because the drone needs to be started before ejection, it is easy for the drone to fall off the ejection rack under the initial thrust, resulting in ejection failure. Therefore, how to effectively secure the drone and prevent it from falling is an important problem that needs to be solved in the design of a powerful hook lock with self-locking function. Utility Model Content
[0004] This invention provides a powerful hook lock with a self-locking function to solve the problem of drones easily falling off the launcher and causing launch failure.
[0005] This utility model solves the above-mentioned technical problems through the following technical solutions:
[0006] This utility model provides a powerful hook lock with a self-locking function, including a track, and further including:
[0007] A pulley, wherein the pulley is mounted on a track;
[0008] A drone release rack, which is mounted on a trolley;
[0009] A trolley locking mechanism is installed on the track and is used to lock and release the trolley.
[0010] Preferably, the track includes a track support and a track slide rail, the track slide rail being fixedly connected to the top side wall of the track support, and the track slide rail being located on both sides of the top of the track support.
[0011] Preferably, the trolley includes a trolley body, a hook rod, trolley rollers, and mounting brackets. The hook rod is fixedly installed on the side wall of the trolley body, the trolley rollers are rotatably installed on the bottom of the trolley body, and two mounting brackets are fixedly installed on the top of the trolley body.
[0012] In this technical solution, the hook rod of the trolley can be engaged in the U-shaped groove on the locking hook. When the locking hook rotates, the U-shaped groove on the locking hook rotates, releasing the hook rod on the trolley, and the trolley is no longer restricted from forward ejection and sliding.
[0013] Preferably, the trolley rollers are rotatably connected between the track rails.
[0014] In this technical solution, the rolling element rolls within the track slide, causing the trolley to slide forward along the track.
[0015] Preferably, the drone release frame includes a release frame body, a drone mounting frame, a baffle, and a drone release gate line. The drone mounting frames are fixedly installed at both ends of the drone release frame. A baffle is rotatably connected to the side wall of the drone mounting frame, and one end of the drone release gate line is fixedly connected to the side wall of the baffle.
[0016] In this technical solution, the drone is placed on two drone mounting racks. The hook hole on the bottom of the drone is hooked into the "U"-shaped slot of the release rack body. A baffle is placed in front of the drone's hook point to block the drone, so that the drone can be fixed through the U-shaped groove and the baffle. The baffle and the U-shaped groove work together to fix the drone, which can ensure that the drone does not move under the initial thrust generated by the motor or engine, thus effectively locking the drone.
[0017] Preferably, a "U"-shaped slot is provided on the side wall of the release frame body near the baffle.
[0018] Preferably, the drone release frame is fixedly mounted between the mounting brackets on the trolley.
[0019] In this technical solution, the trolley can move the drone release frame forward, and the drone release frame can cause the fixed drone to slide forward.
[0020] Preferably, the trolley locking structure includes a mounting plate, a lock hook rod seat, a first lock hook, a second lock hook, a spring, a lock fixing block, and a pull rope. The lock fixing block is fixedly connected to the side wall of the mounting plate. One end of the lock fixing block is rotatably connected to the second lock hook. The lock hook rod seat is fixedly connected to the side wall of the second lock hook by bolts. The other end of the lock fixing block is rotatably connected to the first lock hook. A spring is fixedly installed between the first lock hook and the lock hook rod seat. A pull rope is fixedly connected to the side wall of the lock hook rod seat.
[0021] In this technical solution, the locking hook lever seat is rotated by pulling the rope, and the spring is pulled by the rope. The spring exerts an upward pulling force on the locking hook one. When the locking hook lever seat rotates, it drives the locking hook two to rotate, so that the bottom of the locking hook two disengages from the V-shaped groove on the locking hook one. The locking hook two no longer restricts the locking hook one. At this time, the spring pulls the locking hook one to rotate, so that the U-shaped groove on the locking hook one rotates, releasing the hook rod on the pulley. The pulley is no longer restricted from sliding forward.
[0022] Preferably, the side wall of the first locking hook is provided with a U-shaped groove and a V-shaped groove, the hook rod on the trolley is engaged in the U-shaped groove, and the side wall of the second locking hook is engaged in the V-shaped groove.
[0023] In this technical solution, the second locking hook is engaged in the V-shaped groove to restrict the first locking hook.
[0024] Preferably, the mounting plate is fixedly connected to the side wall of the track bracket, and the other end of the drone release brake line is fixedly connected to the side wall of the locking hook rod seat.
[0025] In this technical solution, the human-machine release gate line is pulled along with the movement of the drone release frame. When the drone release gate line is taut, it will pull the baffle to rotate downward. The downward rotation of the baffle will no longer fix and block the drone, and the drone will be ejected to take off.
[0026] Based on common knowledge in the field, the above-mentioned preferred conditions can be combined arbitrarily to obtain various preferred embodiments of this utility model.
[0027] The positive and progressive effects of this utility model are as follows:
[0028] 1. Hook the drone into the "U"-shaped slot of the release frame body through the hook hole on the bottom of the drone fuselage. The baffle is placed in front of the drone's hook point to block the drone, so that the drone can be fixed through the U-shaped groove and the baffle. The baffle and the U-shaped groove work together to fix the drone, which can ensure that the drone's position is not changed under the initial thrust generated by the motor or engine. This makes it easier to fix the drone and prevent the drone from falling.
[0029] 2. By pulling the rope, the locking hook lever seat rotates, causing the locking hook one to rotate. This causes the U-shaped groove on the locking hook one to rotate, releasing the hook rod on the pulley. The pulley is no longer restricted from sliding forward, causing the drone release frame to move forward. The drone release frame then causes the fixed drone to slide forward, providing the drone with a takeoff boost. The drone release brake cable is pulled along with the movement of the drone release frame. When the drone release brake cable is taut, it pulls the baffle to rotate downward. The downward rotation of the baffle no longer fixes or obstructs the drone, allowing it to be ejected for takeoff. This facilitates better ejection and release of the drone. Attached Figure Description
[0030] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model.
[0031] Figure 2 This is a schematic diagram of the three-dimensional structure of the track of this utility model.
[0032] Figure 3 This is a three-dimensional structural diagram of the pulley of this utility model.
[0033] Figure 4 This is a three-dimensional structural diagram of the pulley roller of this utility model.
[0034] Figure 5 This is a three-dimensional structural diagram of the drone release frame of this utility model.
[0035] Figure 6 This is a three-dimensional structural diagram of the trolley locking mechanism of this utility model.
[0036] Figure 7 This is a side view of the three-dimensional structure of the pulley locking mechanism of this utility model.
[0037] Figure 8 This is a schematic diagram of the movement process of the pulley locking mechanism of this utility model.
[0038] Explanation of reference numerals in the attached figures
[0039] 1. Track; 101. Track support; 102. Track slide rail; 2. Trolley; 201. Trolley body; 202. Hook rod; 203. Trolley roller; 204. Mounting frame; 3. UAV release frame; 301. Release frame body; 302. UAV mounting frame; 303. Baffle; 304. UAV release brake line; 4. Trolley locking mechanism; 401. Mounting plate; 402. Lock hook pull rod seat; 403. Lock hook one; 404. Lock hook two; 405. Spring; 406. Lock fixing block; 407. Pull rope; 411. U-shaped groove; 412. V-shaped groove. Detailed Implementation
[0040] The present invention will be further described below by way of embodiments, but the present invention is not limited to the scope of the embodiments described herein.
[0041] like Figure 1-8 As shown, a powerful hook lock with a self-locking function includes a track 1, and also includes:
[0042] Trolley 2, which is mounted on track 1;
[0043] The drone release rack 3 is mounted on the trolley 2;
[0044] The trolley locking mechanism 4 is installed on the track 1 and locks and releases the trolley 2.
[0045] The track 1 includes a track 1 support and a track 1 slide rail. The track 1 slide rail is fixedly connected to the top side wall of the track 1 support and is located on both sides of the top of the track 1 support.
[0046] The trolley 2 includes a trolley body 201, a hook rod 202, trolley rollers 203, and mounting brackets 204. The hook rod 202 is fixedly installed on the side wall of the trolley body 201, the trolley rollers 203 are rotatably installed on the bottom of the trolley body 201, and two mounting brackets 204 are fixedly installed on the top of the trolley body 201.
[0047] The hook rod 202 of the trolley 2 can be engaged in the U-shaped groove 411 on the locking hook 403. When the locking hook 403 rotates, the U-shaped groove 411 on the locking hook 403 rotates, releasing the hook rod 202 on the trolley 2, and the trolley 2 is no longer restricted from sliding forward.
[0048] The trolley roller 203 is rotatably connected between the slide rails of the track 1.
[0049] The trolley rolls within the slide rail 1, causing the trolley 2 to slide forward along the track 1.
[0050] The drone release frame 3 includes a release frame body 301, a drone mounting frame 302, a baffle 303, and a drone release brake line 304. The drone mounting frame 302 is fixedly installed at both ends of the drone release frame 3. The baffle 303 is rotatably connected to the side wall of the drone mounting frame 302. One end of the drone release brake line 304 is fixedly connected to the side wall of the baffle 303.
[0051] The drone is placed on two drone mounting racks 302. The hook hole on the bottom of the drone is hooked into the "U"-shaped slot of the release rack body 301. The baffle 303 is placed in front of the drone's hook point to block the drone, so that the drone can be fixed by the U-shaped groove 411 and the baffle 303. The baffle 303 and the U-shaped groove 411 work together to fix the drone, which can ensure that the drone does not move under the initial thrust generated by the motor or engine, thus effectively locking the drone.
[0052] The release frame body 301 has a U-shaped slot on its side wall near the baffle 303.
[0053] The drone release rack 3 is fixedly mounted between the mounting brackets 204 on the trolley 2.
[0054] The trolley 2 can move the drone release frame 3 forward, and the drone release frame 3 can move the fixed drone forward.
[0055] The trolley locking structure 4 includes a mounting plate 401, a lock hook rod seat 402, a first lock hook 403, a second lock hook 404, a spring 405, a lock fixing block 406, and a pull rope 407. The lock fixing block 406 is fixedly connected to the side wall of the mounting plate 401. One end of the lock fixing block 406 is rotatably connected to the second lock hook 404. The lock hook rod seat 402 is fixedly connected to the side wall of the second lock hook 404 by bolts. The other end of the lock fixing block 406 is rotatably connected to the first lock hook 403. A spring 405 is fixedly arranged between the first lock hook 403 and the lock hook rod seat 402. The pull rope 407 is fixedly connected to the side wall of the lock hook rod seat 402.
[0056] Pulling the hook lever seat 402 by the pull rope 407 causes the spring 405 to be pulled by the rope 407, and the spring 405 exerts an upward pulling force on the first hook 403. When the hook lever seat 402 rotates, it drives the second hook 404 to rotate, causing the bottom of the second hook 404 to disengage from the V-shaped groove 412 on the first hook 403. The second hook 404 no longer restricts the first hook 403. At this time, the spring 405 pulls the first hook 403 to rotate, causing the U-shaped groove 411 on the first hook 403 to rotate, releasing the hook rod 202 on the trolley 2. The trolley 2 is no longer restricted from sliding forward.
[0057] The side wall of the first locking hook 403 is provided with a U-shaped groove 411 and a V-shaped groove 412. The hook rod 202 on the trolley 2 is engaged in the U-shaped groove 411, and the side wall of the second locking hook 404 is engaged in the V-shaped groove 412.
[0058] Lock hook 2 404 is engaged in the V-shaped groove 412 to restrict lock hook 1 403.
[0059] The mounting plate 401 is fixedly connected to the side wall of the track 1 bracket, and the other end of the drone release brake line 304 is fixedly connected to the side wall of the locking hook rod seat 402.
[0060] The release gate line 304 is pulled as the drone release frame 3 moves. When the drone release gate line 304 is taut, it will pull the baffle 303 to rotate downward. The baffle 303 rotates downward and no longer fixes or obstructs the drone. The drone is then ejected and takes off.
[0061] In use, all electrical components mentioned in this application are externally connected to a power supply and control switch. The drone is placed on two drone mounting racks 302. The hook hole on the bottom of the drone body hooks into the "U"-shaped slot of the release rack body 301. The baffle 303 blocks the drone in front of the hook point, so that the drone can be fixed by the U-shaped groove 411 and the baffle 303. The baffle 303 and the U-shaped groove 411 work together to fix the drone, which can ensure that the drone does not move under the initial thrust generated by the motor or engine, thus better locking the drone.
[0062] The hook rod 202 of the trolley 2 is engaged in the U-shaped groove 411 on the first hook 403, and the second hook 404 is engaged in the V-shaped groove 412, which restricts the first hook 403, so that the first hook 403 can better hook the trolley 2. The two ends of the drone release brake line 304 are fixed to the side wall of the baffle 303 and the side wall of the hook pull rod seat 402. When the drone is released, the hook pull rod seat 402 is rotated by the pull rope 407. The spring 405 is pulled by the pull rope 407, and the spring 405 has an upward pulling force on the first hook 403. When the hook pull rod seat 402 rotates, it drives the second hook 404 to rotate, so that the bottom of the second hook 404 is disengaged from the V-shaped groove 412 on the first hook 403, and the second hook 404 no longer restricts the first hook 403.
[0063] At this time, the spring 405 pulls the locking hook 403 to rotate, causing the U-shaped groove 411 on the locking hook 403 to rotate, releasing the hook rod 202 on the trolley 2. The trolley 2 is no longer restricted from sliding forward and rolls within the slide rail of the track 1, causing the trolley 2 to slide forward along the track 1. The trolley 2 drives the drone release frame 3 to move forward, and the drone release frame 3 drives the fixed drone to slide forward, giving the drone a takeoff boost. The drone release brake line 304 is pulled as the drone release frame 3 moves. When the drone release brake line 304 is taut, it will pull the baffle 303 to rotate downward. The baffle 303 rotates downward and no longer fixes or obstructs the drone. The drone is launched out to take off, which can complete the launch of the drone well.
[0064] This utility model is not limited to the above-described embodiments. Any changes in its shape or structure fall within the protection scope of this utility model. The protection scope of this utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of this utility model, but all such changes and modifications fall within the protection scope of this utility model.
Claims
1. A strong hook lock with self-locking function, comprising a track (1), characterized in that, Also includes: trolley (2), the trolley (2) is arranged on the track (1); Unmanned aerial vehicle release rack (3), the unmanned aerial vehicle release rack (3) is arranged on the trolley (2); Trolley locking mechanism (4), the trolley locking mechanism (4) is arranged on the track (1), the trolley locking mechanism (4) locks and releases the trolley (2).
2. The strong hook lock with self-locking function according to claim 1, characterized in that: The track (1) includes track (1) support and track (1) slide rail, the track (1) slide rail is fixedly connected on the top side wall of track (1) support, and the track (1) slide rail is located on both sides of the top of track (1) support.
3. The self-locking heavy duty hook lock of claim 1, wherein: The trolley (2) includes trolley body (201), hooking rod (202), trolley roller (203) and mounting bracket (204), the side wall of the trolley body (201) is fixedly provided with hooking rod (202), the bottom of the trolley body (201) is rotatably provided with trolley roller (203), and the top of the trolley body (201) is fixedly provided with two mounting brackets (204).
4. The self-locking heavy duty hook lock of claim 3, wherein: The trolley roller (203) is rollably connected between the track (1) slide rails.
5. The self-locking heavy duty hook lock of claim 1, wherein: The unmanned aerial vehicle release rack (3) includes release rack body (301), unmanned aerial vehicle placing rack (302), baffle (303) and unmanned aerial vehicle release gate line (304), both ends of the unmanned aerial vehicle release rack (3) are fixedly provided with unmanned aerial vehicle placing rack (302), the side wall of the unmanned aerial vehicle placing rack (302) is rotatably connected with baffle (303), and one end of the unmanned aerial vehicle release gate line (304) is fixedly connected with the side wall of the baffle (303).
6. The self-locking heavy duty hook lock of claim 5, wherein: The release rack body (301) is provided with a "U” type clamping groove on the side wall close to the baffle (303).
7. The self-locking heavy duty hook lock of claim 6, wherein: The unmanned aerial vehicle release rack (3) is fixedly arranged between the mounting brackets (204) on the trolley (2).
8. The self-locking heavy duty hook lock of claim 1, wherein: The trolley locking mechanism (4) includes mounting plate (401), lock hook pull rod seat (402), lock hook one (403), lock hook two (404), spring (405), lock fixed block (406) and pull rope (407), the side wall of the mounting plate (401) is fixedly connected with the lock fixed block (406), one end of the lock fixed block (406) is rotatably connected with the lock hook two (404), the lock hook pull rod seat (402) is fixedly connected on the side wall of the lock hook two (404) through bolts, the other end of the lock fixed block (406) is rotatably connected with the lock hook one (403), the spring (405) is fixedly arranged between the lock hook one (403) and the lock hook pull rod seat (402), and the side wall of the lock hook pull rod seat (402) is fixedly connected with the pull rope (407).
9. The self-locking heavy duty hook lock of claim 8, wherein: The side wall of the lock hook one (403) is provided with a U-shaped groove (411) and a V-shaped groove (412), the hooking rod (202) on the trolley (2) is clamped in the U-shaped groove (411), and the side wall of the lock hook two (404) is clamped in the V-shaped groove (412).
10. The self-locking heavy duty hook lock of claim 8, wherein: The mounting plate (401) is fixedly connected on the side wall of the track (1) support, and the other end of the unmanned aerial vehicle release gate line (304) is fixedly connected on the side wall of the lock hook pull rod seat (402).