High-precision quick-response locking mechanism

Abstract

The utility model belongs to the technical field of unmanned aerial vehicles, and particularly relates to a high-precision quick-response locking mechanism. Comprising a driving motor, a connecting shaft, a locking claw and a reducer, the speed reducer comprises a first speed reducer body and a second speed reducer body, a power output shaft of the driving motor is connected with one end of the first speed reducer body, the locking claws are arranged on the two sides of the first speed reducer body, the other end of the first speed reducer body is connected with the connecting shaft, and the other end of the connecting shaft is connected with the second speed reducer body. The locking claws are arranged on the two sides of the second speed reducer. The driving motor drives the speed reducers at the two ends of the connecting shaft, the speed reducers drive the locking claws to rotate, and the locking claws lock the unmanned aerial vehicle frame, so that the unmanned aerial vehicle is fixed in the hangar, and the unmanned aerial vehicle is prevented from bumping due to bumping caused by unstable fixation in the transportation process.

Description

TECHNICAL FIELD

[0001] The utility model belongs to unmanned plane technical field, concretely relates to a high accuracy fast response locking mechanism. BACKGROUND

[0002] With the rapid development of unmanned plane technology, the application range of unmanned plane is more and more extensive, not only plays an important role in military reconnaissance, environmental monitoring, disaster relief and other fields, but also increasingly popular in logistics distribution, agricultural plant protection, film shooting and other civilian fields. However, the wide application of unmanned plane puts forward higher requirements for the storage and transportation of unmanned plane. Especially in the unmanned plane hangar, how to ensure the stable fixation of unmanned plane in the non-flight state has become a problem to be solved.

[0003] The traditional unmanned plane fixing mode mainly depends on simple mechanical locking device or manual binding and other ways, these methods generally exist the problems such as unstable fixation, complex operation, slow response speed, etc., cannot meet the demand of modern unmanned plane fast response and high precision positioning. Especially in the process of unmanned plane transportation, due to the factors such as road bumps, unmanned plane may move or even collide in the hangar, which increases the risk of equipment damage. In addition, the existing fixing device usually lacks accurate control mechanism, and it is difficult to realize the effective adaptation and fast locking of different models of unmanned plane, which limits the improvement of unmanned plane operation efficiency to some extent.

[0004] The Chinese patent with publication number CN116142828A discloses a special unmanned plane transfer device, which comprises a transfer trolley, an automatic loading and unloading device and a vehicle-mounted fixing device. The transfer trolley is composed of an electric control box, a locking mechanism, a lifting mechanism and a fixing interface. The electric control box provides power, and the locking mechanism drives the first locking motor to move the first screw rod to realize the locking and transfer of the unmanned plane sliding shoe through the first locking motor. The lifting mechanism is driven by the lifting motor to realize lifting through the fork-shaped frame. The automatic loading and unloading device comprises a lifting mechanism and a translation mechanism. The lifting mechanism drives the second screw rod to realize lifting through the chain and sprocket cooperation. The translation mechanism cooperates with the lifting mechanism to realize the transfer of the unmanned plane into the shelter. The vehicle-mounted fixing device comprises a second locking motor, a third screw rod, a second claw and a lock catch. The lock catch is provided with a positioning guide pin for positioning. The second locking motor drives the third screw rod to drive the second claw and the lock catch to lock the unmanned plane. The overall structure of the above-mentioned device is relatively complex, and the locking and lifting operations are realized through mechanical transmission modes such as screw rod and chain. Compared with the direct driving mode, these transmission modes may have a larger time delay, and cannot quickly lock the unmanned plane. Therefore, it is urgent for the technical personnel in the field to solve the above-mentioned technical problems. SUMMARY

[0005] The technical problem to be solved by the present application is that in the prior art, the overall structure of the device is relatively complex, and locking and lifting operations are achieved through mechanical transmission modes such as lead screws and chains, which may have a larger time delay compared to direct driving modes, and the device cannot quickly lock the unmanned aerial vehicle.

[0006] To solve the above technical problems, the technical scheme adopted by the present application comprises:

[0007] A high-precision quick-response locking mechanism is located at the bottom of the unmanned aerial vehicle hangar and is used to fix the unmanned aerial vehicle on the unmanned aerial vehicle support plate in the unmanned aerial vehicle hangar, and comprises a driving motor, a connecting shaft, a locking claw, and a speed reducer.

[0008] The speed reducer comprises a speed reducer one and a speed reducer two, one end of the power output shaft of the driving motor is connected to the speed reducer one, the locking claws are arranged on both sides of the speed reducer one, and the other end of the speed reducer one is connected to the connecting shaft.

[0009] The other end of the connecting shaft is connected to the speed reducer two, and the locking claws are arranged on both sides of the speed reducer two.

[0010] The locking claw penetrates through the unmanned aerial vehicle support plate, and the locking claw rotates along the vertical direction under the driving of the driving motor and the speed reducer to be buckled with or opened from the bottom frame of the unmanned aerial vehicle.

[0011] By adopting the above technical scheme, the locking mechanism directly drives the speed reducer by using the driving motor, reducing the delay and error in traditional mechanical transmission. This enables the locking mechanism to quickly respond to control instructions, achieving quick fixing or releasing of the unmanned aerial vehicle, improving the efficiency of unmanned aerial vehicle deployment and recovery. By using double speed reducers (speed reducer one and speed reducer two), the mechanism can accurately control the action of the locking claw. The design of the speed reducer helps to improve the accuracy of the rotation angle of the locking claw, ensuring the consistency and reliability of each locking or unlocking action. This is particularly important for situations that require precise positioning to ensure the safe fixing of the unmanned aerial vehicle. The driving motor, connecting shaft, speed reducer, and locking claw are integrated together in the design, forming a compact unit. Such a design not only saves valuable space in the unmanned aerial vehicle hangar, but also facilitates maintenance and repair. The locking claw penetrates through the unmanned aerial vehicle support plate and rotates along the vertical direction to be buckled with the bottom frame of the unmanned aerial vehicle, providing a stable fixing point. This way enhances the safety of the unmanned aerial vehicle during storage and transportation, preventing accidental movement due to vibration or other external forces.

[0012] Further, a motor bracket is further arranged on the driving motor, the driving motor is installed on the motor bracket through bolts, and the motor bracket is installed in the unmanned aerial vehicle hangar through bolts.

[0013] By adopting the above technical solutions, the motor support provides a stable foundation for the driving motor, avoiding displacement of the motor due to vibration or external force during operation. This not only ensures the accuracy of the locking mechanism, but also prolongs the service life of the motor and its related components. The use of bolt connection makes the disassembly and assembly of the driving motor and the motor support, as well as the motor support and the unmanned aerial vehicle hangar, simple and fast. This means that when the motor needs to be maintained, replaced or adjusted, the operation can be quickly completed, reducing downtime and improving work efficiency. The motor support can be customized according to the specific space layout and installation requirements of the unmanned aerial vehicle hangar to adapt to different installation environments. In addition, if future upgrades or replacement of different types of driving motors are required, only the design of the motor support needs to be adjusted accordingly, increasing the adaptability and flexibility of the system.

[0014] Further, a rotating shaft is arranged between the locking claw and the speed reducer, one end of the rotating shaft is rotatably installed on the speed reducer, and the other end of the rotating shaft is fixed on the locking claw.

[0015] By adopting the above technical solutions, through the combination of the speed reducer and the rotating shaft, the opening and closing action of the locking claw can be more accurately controlled. The speed reducer can reduce the output speed of the motor and increase the torque, making the action of the locking claw more stable and accurate, which is particularly important for application scenarios that require precise operation. The rotating shaft, as a key component connecting the speed reducer and the locking claw, can effectively transmit torque and reduce energy loss. Reasonable design of the rotating shaft ensures efficient power transmission from the driving source (such as the motor) to the execution element (such as the locking claw), improving the mechanical efficiency of the entire system. The rotatable installation method reduces wear caused by friction or improper stress, increasing the cooperation accuracy and stability between components. This design helps to prolong the service life of related components, thereby improving the reliability and stability of the entire device. The use of the rotating shaft to connect the speed reducer and the locking claw makes the overall mechanical structure more concise and clear. Compared with complex connecting rods or other transmission mechanisms, the use of the rotating shaft not only reduces the design difficulty, but also facilitates manufacturing and maintenance.

[0016] Further, a claw sleeve is arranged on the locking claw, the claw sleeve is sleeved on the first end of the locking claw, and the claw sleeve is made of rubber.

[0017] By adopting the above technical scheme, the rubber material has a relatively high friction coefficient, which enables the claw sleeve to provide greater friction when grabbing objects.

[0018] Further, the bottom of the locking claw is provided with a U-shaped groove, and the both sides of the end portion of the rotating shaft are turned to form positioning openings matched with the U-shaped groove, and the positioning openings are clamped in the U-shaped groove.

[0019] By adopting the above technical scheme, through the design of the U-shaped groove and the positioning opening, the accurate alignment between the locking claw and the rotating shaft is ensured.

[0020] Further, the U-shaped groove is provided with a limiting opening penetrating through the U-shaped groove, and a bolt is installed in the limiting opening and in contact with the rotating shaft.

[0021] By adopting the above technical scheme, the locking claw is firmly fixed on the rotating shaft through the bolt, which can effectively prevent the locking claw from being displaced up and down due to vibration or external force, so that the stability of the locking claw during the entire working period is ensured, and the reliability of the equipment operation is improved.

[0022] The utility model has the advantages of:

[0023] 1. The utility model discloses a locking mechanism adopts the mode that driving motor directly drives speed reducer, reduces the delay and error in traditional mechanical drive, makes the locking mechanism can respond to control instruction rapidly, realizes the quick fixing or release of unmanned aerial vehicle, improves the efficiency of unmanned aerial vehicle deployment and recovery, can accurately control the action of lock jaw, still strengthens the accuracy of lock jaw rotation angle, ensures the consistency and reliability of each locking or unlocking action;

[0024] 2. The utility model discloses the lock jaw and the rotation axis are accurately aligned through the design of U type recess and location mouth, and are fixed through bolt, prevent the displacement of lock jaw because of vibration or external force, strengthen the stability and security of whole system, ensure that lock jaw can keep steady in whole working cycle, avoid the fault risk that can be caused because of slack, the claw sleeve made of rubber can not only provide greater friction, but also buffer the pressure of lock jaw to the object that is grabbed, prevent scratch or knock and so on physical damage, further strengthen the security of device;

[0025] 3. The utility model discloses the whole locking mechanism through the integration of driving motor, connecting shaft, speed reducer and lock jaw together, formed a compact unit, not only saved the space in the unmanned aerial vehicle hangar, also facilitated the maintenance and overhaul of equipment, bolt connection mode makes the dismounting between driving motor and motor support and motor support and unmanned aerial vehicle hangar become simple and fast, reduces the maintenance time and difficulty, the motor support can be customized according to the specific space layout and installation requirement and design, increase the adaptability and flexibility of system, adopt rotation axis as the key component of connecting speed reducer and lock jaw, the design is more simple and clear, convenient for manufacturing and maintenance. DRAWINGS

[0026] Figure 1 It is the whole structure schematic diagram of the utility model;

[0027] Figure 2 It is the structure schematic diagram of the utility model clamping jaw;

[0028] Figure 3 It is the utility model Figure 1 It is the enlarged schematic diagram of A part in the utility model;

[0029] Figure 4 It is the structure schematic diagram of the utility model rotation axis.

[0030] Among them: 1-driving motor;11-motor support;2-connecting shaft;3-speed reducer;31-speed reducer one;32-speed reducer two;33-rotation axis;331-location mouth;4-lock jaw;41-claw sleeve;42-U type recess;421-limiting mouth. CONCRETE IMPLEMENTATION

[0031] The utility model will be described in further detail below in combination with the drawings and specific preferred embodiments.

[0032] In the description of the utility model, it should be understood that the terms "left side", "right side", "upper part", "lower part" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and "first", "second" and the like do not represent the importance of the parts, so it cannot be understood as a limitation on the utility model. The specific dimensions used in the embodiment are only used to illustrate the technical scheme and do not limit the protection scope of the utility model.

[0033] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 4 , it can be seen that the utility model discloses a high-precision quick-response locking mechanism, a driving motor 1 is fixed on a motor support 11 through bolts, the motor support 11 is vertically installed at the bottom of the UAV hangar through bolts; the power output shaft of the driving motor 1 is rigidly connected with the input end of a speed reducer one 31 through a shaft coupling, two locking claws 4 are symmetrically installed on the two sides of the speed reducer one 31 through flanges, and the output end is fixed with one end of a connecting shaft 2 through a key groove; the other end of the connecting shaft 2 is connected with a speed reducer two 32 in the same way, and the locking claws 4 are also installed on the two sides of the speed reducer two 32; the locking claws 4 and the speed reducer 3 are connected through a rotating shaft 33, one end of the rotating shaft 33 is rotatably embedded in the output end of the speed reducer 3 through a bearing, the other end is clamped with the bottom U-shaped groove 42 of the locking claw 4 through a U-shaped groove 42, the positioning port 331 matched with the U-shaped groove 42 is turned out on the two sides of the end of the rotating shaft 33, after the positioning port 331 is embedded in the U-shaped groove 42, the rotating shaft 33 and the locking claw 4 are locked through the bolts penetrating the limiting port 421, so that the relative displacement of the rotating shaft 33 and the locking claw 4 is ensured; the locking claw 4 is sleeved with a rubber claw sleeve 41 at the first end; the locking claw 4 passes through the reserved hole of the UAV support plate, under the driving of the driving motor 1, the speed reducer 3 synchronously transmits power to the two locking claws 4 through the connecting shaft 2, drives the locking claw 4 to rotate along the vertical direction, and realizes the buckling or releasing with the bottom rack of the UAV.

[0034] Working principle: the surface of the unmanned aerial vehicle support plate is provided with a hole allowing the locking claw 4 to pass through, when the unmanned aerial vehicle lands, the landing gear moves to the center of the hole under the action of the centering device, ensuring that the center of the fuselage is aligned with the center of the support plate, the drive motor 1 reduces the rotating speed and increases the torque through the reducer one 31 and the reducer two 32, drives the connecting shaft 2 to rotate the two locking claws 4 along the vertical plane, the rotation path end point of the locking claw 4 is that the locking claw 4 is buckled together with the rack, the reducer one 31 and the reducer two 32 are rigidly linked through the connecting shaft 2, ensuring that the two locking claws 4 move synchronously, avoiding the deviation caused by unilateral delay, the rubber claw sleeve 41 sleeved at the first end of the locking claw 4 is elastically deformed when contacting the unmanned aerial vehicle rack, which increases the friction to prevent sliding, the positioning port 331 at the end of the rotating shaft 33 is embedded in the U-shaped groove 42 at the bottom of the locking claw 4, and the relative displacement between the rotating shaft and the locking claw is eliminated through the bolts penetrating the limiting port 421, ensuring that the rotation angle of the locking claw is accurately controllable, the built-in torque sensor of the drive motor 1 automatically stops and triggers an alarm when the locking claw 4 is closed and encounters abnormal resistance such as misalignment of the rack, avoiding damage to the rack or locking mechanism, when unlocking, the locking claw 4 retreats to the initial position according to the preset program, the power is rigidly transmitted through the connecting shaft 2, eliminating the action error of the two locking claws and improving the symmetry, the flexible material is suitable for different models, avoiding damage caused by rigid impact, realizing physical limiting through the U-shaped groove 42 and real-time monitoring through the sensor of the drive motor 1, double protection of positioning reliability, through the cooperative design of mechanism and control, the rapid, accurate and reliable locking of the unmanned aerial vehicle rack is realized, providing core technical support for the efficient operation of the automatic hangar.

[0035] The preferred embodiments of the utility model are described in detail above, but the utility model is not limited to the specific details in the above embodiments, within the technical concept range of the utility model, the technical scheme of the utility model can be variously equivalent transformed, and these equivalent transformations all belong to the protection range of the utility model.

Claims

1. A high-precision, fast-response locking mechanism, wherein the locking mechanism is installed in a drone hangar, located at the bottom of the drone hangar, and is used to fix a drone on a drone support plate in the drone hangar, characterized in that: Including drive motor (1), connecting shaft (2), lock jaw (4) and reducer (3); The reducer (3) includes reducer one (31) and reducer two (32), the power output shaft of the drive motor (1) is connected to one end of the reducer one (31), the lock jaw (4) is arranged on both sides of the reducer one (31), the other end of the reducer one (31) is connected to the connecting shaft (2); The other end of the connecting shaft (2) is connected to the reducer two (32), and the lock jaw (4) is arranged on both sides of the reducer two (32); The lock jaw (4) passes through the unmanned aerial vehicle support plate, and the lock jaw (4) is driven by the drive motor (1) and the reducer (3) to rotate along the vertical direction, and is buckled or opened with the bottom frame of the unmanned aerial vehicle.

2. The high-precision quick-response locking mechanism according to claim 1, characterized in that: The drive motor (1) is further provided with a motor support (11), the drive motor (1) is installed on the motor support (11) through bolts, and the motor support (11) is installed in the unmanned aerial vehicle hangar through bolts.

3. The high-precision quick response locking mechanism according to claim 1, wherein: The lock jaw (4) and the reducer (3) are further provided with a rotating shaft (33), one end of the rotating shaft (33) is rotatably installed on the reducer (3), and the other end of the rotating shaft (33) is fixed on the lock jaw (4).

4. The high-precision quick-response locking mechanism according to claim 3, characterized in that: The lock jaw (4) is further provided with a claw sleeve (41), the claw sleeve (41) is sleeved on the first end of the lock jaw (4), and the claw sleeve (41) is made of rubber.

5. The high precision quick response locking mechanism of claim 3, wherein: The bottom of the lock jaw (4) is provided with a U-shaped groove (42), and the both sides of the end of the rotating shaft (33) are turned to form a positioning port (331) matched with the U-shaped groove (42), and the positioning port (331) is clamped in the U-shaped groove (42).

6. The high-precision quick-response locking mechanism according to claim 5, characterized in that: The U-shaped groove (42) is provided with a limiting port (421) penetrating the U-shaped groove (42), and a bolt is installed in the limiting port (421), and the bolt is in contact with the rotating shaft (33).

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