Electric drive quick adjusting device for longitudinal gravity center position of unmanned aerial vehicle

Abstract

The utility model discloses an electrically-driven quick adjusting device for the longitudinal gravity center position of an unmanned aerial vehicle. The electrically-driven quick adjusting device comprises a bottom plate, a sliding rail, a screw rod, a sliding block, a counterweight box and a driving mechanism, the sliding rail is installed on the bottom plate, the screw rod is rotatably installed on the bottom plate, the screw rod is parallel to the sliding rail, the sliding block is in sliding connection with the sliding rail, the sliding block is in threaded connection with the screw rod while being in sliding connection with the sliding rail, the balance weight box is installed on the sliding block, and the balance weight box is used for containing and installing a balance weight. The driving mechanism is used for driving the screw rod to rotate; the device effectively reduces the workload of adjusting the longitudinal center-of-gravity position of the unmanned aerial vehicle, improves the counterweight working efficiency, achieves the quick adjustment of the longitudinal center-of-gravity position of the unmanned aerial vehicle, shortens the preparation time before the unmanned aerial vehicle flies, and meets the requirements of quick response to flight missions.

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned plane field especially relates to a kind of unmanned plane longitudinal gravity center position electric drive quick adjustment device. BACKGROUND

[0002] Weight matching is important preparation work before unmanned plane flight, and the purpose of weight matching is to make the actual gravity center of unmanned plane reach design position;Unmanned plane usually adopts weighing method or suspension method to carry out weight matching, and in the process of weight matching, the gravity center position is adjusted by manually operating to move weight block position or increase or decrease weight block weight;This method of moving weight block position by manual operation cannot accurately find suitable position at one time, and the method of increasing or decreasing weight block quantity also has the problem of discontinuous weight increase or decrease, so that the traditional weight matching method often has the problem of repeated adjustment in the process of weight matching, which makes weight matching work efficiency extremely low, and in addition, weight block is not convenient to disassemble and assemble, and it is very cumbersome to operate, and the gravity center adjustment convenience is very poor;Therefore, it is of great significance to design a quick gravity center adjustment device for unmanned plane longitudinal gravity center position adjustment. SUMMARY

[0003] The utility model aims at providing a kind of unmanned plane longitudinal gravity center position electric drive quick adjustment device, applied in unmanned plane, especially fixed wing unmanned plane, to realize quick adjustment unmanned plane longitudinal gravity center position, improve weight matching work efficiency, shorten the preparation time before unmanned plane flight, and achieve the purpose of quick response task.

[0004] The technical scheme adopted by the utility model is as follows:

[0005] A kind of unmanned plane longitudinal gravity center position electric drive quick adjustment device, including bottom plate, slide rail, screw rod, sliding block, weight matching box and drive mechanism;The slide rail is installed on the bottom plate, the screw rod is rotatably installed on the bottom plate, and the screw rod and the slide rail are parallel to each other, the sliding block is slidably connected with the slide rail, and the sliding block is also threadedly connected with the screw rod while being slidably connected with the slide rail, the weight matching box is installed on the sliding block, the weight matching box is used to accommodate and install weight matching, and the drive mechanism is used to drive the screw rod to rotate.

[0006] As a preferred embodiment of the utility model, front support and rear support are provided on the bottom plate, the screw rod is rotatably connected with the front support and the rear support at both ends respectively, and one end of the screw rod is transmissionally connected with the drive mechanism through the front support or the rear support.

[0007] As a preferred embodiment of the utility model, the drive mechanism includes servo motor and gear assembly, the servo motor is installed on the bottom plate, and the servo motor is transmissionally connected with one end of the screw rod through the gear assembly.

[0008] As the preferred of the utility model, the gear assembly includes driving gear and driven gear, the driving gear is installed on the output shaft of servo motor, the driven gear is installed on one end of screw rod, the driving gear is engaged with the driven gear.

[0009] As the preferred of the utility model, the driven gear is connected with the end of screw rod by key, and is fixed through baffle and fastening screw.

[0010] As the preferred of the utility model, the slide rail is arranged directly below the screw rod.

[0011] As the preferred of the utility model, a plurality of bottom plate mounting screws are arranged on the bottom plate, and the bottom plate is connected with external structure through the bottom plate mounting screw.

[0012] The utility model has the advantages of:

[0013] (1) servo motor is used to drive the counterweight to move forward or backward, realizing the electric drive quick adjustment of the longitudinal gravity center position of unmanned aerial vehicle;

[0014] (2) the adjustment work of the longitudinal gravity center position of unmanned aerial vehicle can be completed without disassembling the cabin cover of unmanned aerial vehicle fuselage;

[0015] (3) the counterweight can continuously move forward or backward, avoiding the repeated adjustment caused by the discontinuity of manual adjustment;

[0016] (4) it has certain expansibility, and the counterweight can install metal counterweight block or customized load equipment;

[0017] (5) effectively reduce the workload of the longitudinal gravity center position adjustment of unmanned aerial vehicle, improve the counterweight work efficiency, realize the quick adjustment of the longitudinal gravity center position of unmanned aerial vehicle, shorten the preparation time before unmanned aerial vehicle flight, satisfy the quick response flight task demand. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structure schematic diagram of the utility model.

[0019] The meaning of reference signs in the drawing:

[0020] 1-bottom plate, 2-slide rail, 3-screw rod, 4-sliding block, 5-counterweight box;

[0021] 6-servo motor, 7-driving gear, 8-driven gear, 9-baffle, 10-fastening screw;

[0022] 11-front support, 12-rear support, 13-bottom plate mounting screw. DETAILED DESCRIPTION

[0023] The utility model is specifically introduced below in combination with the drawings and specific embodiments.

[0024] As Figure 1 The embodiment is a kind of unmanned aerial vehicle longitudinal gravity center position electric drive quick adjustment device, including bottom plate 1, slide rail 2, screw 3, sliding block 4, counterweight box 5 and drive mechanism;Slide rail 2 is installed on bottom plate 1, screw 3 is rotatably installed on bottom plate 1, and screw 3 is parallel with slide rail 2, slide rail 2 is arranged directly below screw 3, sliding block 4 is slidably connected with slide rail 2, sliding block 4 is slidably connected with slide rail 2 simultaneously and is also threadedly connected with screw 3, counterweight box 5 is installed on sliding block 4, and counterweight box 5 is used to accommodate installation counterweight, and drive mechanism is used to drive screw 3 to rotate.

[0025] The embodiment is provided with front support 11 and rear support 12 on bottom plate 1, and the two ends of screw 3 are rotatably connected with front support 11 and rear support 12 respectively, one end of screw 3 is connected with drive mechanism in transmission, or in actual application, one end of screw 3 can also be connected with drive mechanism in transmission through front support 11, front support 11 and rear support 12 constrain screw 3, screw 3 can only rotate around the axis under the constraint of front support 11 and rear support 12, and only has one degree of rotational freedom, and front support 11 and rear support 12 are fixedly installed on bottom plate 1 by screws.

[0026] In the embodiment, the drive mechanism includes a servo motor 6 and a gear assembly, the servo motor 6 is installed on the bottom plate 1, the servo motor 6 can be forward and reverse, the rotation angle is controlled, the servo motor 6 is directly controlled by the flight control ground station control interface, to avoid the interference caused by manual adjustment, the servo motor 6 is connected with one end of the screw 3 in transmission through the gear assembly, the gear assembly includes a driving gear 7 and a driven gear 8, the driving gear 7 is installed on the output shaft of the servo motor 6, the driven gear 8 is installed on one end of the screw 3, the driving gear 7 is engaged with the driven gear 8, the driven gear 8 is connected with the end of the screw 3 by a key, so that the driven gear 8 can rotate with the screw 3, in order to prevent the driven gear 8 from falling off the end of the screw 3, the driven gear 8 is fixed by the baffle 9 and the fastening screw 10, after the fastening screw 10 is tightened, the driven gear 8 cannot move axially, but can only rotate under the drive of the driving gear 7, and the screw 3 rotates with the driven gear 8.

[0027] The embodiment is provided with four bottom plate mounting screws 13 on the bottom plate 1, and the bottom plate 1 is connected with the external structure through the bottom plate mounting screws 13, the number of bottom plate mounting screws 13 can be appropriately increased or decreased according to actual conditions.

[0028] The embodiment is fixed in the unmanned aerial vehicle body, and the installation direction requires that the screw rod 3 axis direction is consistent with the longitudinal direction of the unmanned aerial vehicle; after installation, the rotation direction and rotation angle of the control servo motor 6 can drive the counterweight box 5 and the counterweight to move forward or backward, the forward and backward movement of the counterweight box 5 and the counterweight changes the forward and backward change of the longitudinal gravity center position of the unmanned aerial vehicle, and the longitudinal gravity center position adjustment of the unmanned aerial vehicle is realized.

[0029] The unmanned aerial vehicle counterweight process using the embodiment is as follows:

[0030] First, the unmanned aerial vehicle is hung at the gravity center position, whether the longitudinal balance of the unmanned aerial vehicle is observed, if not balanced, then the control servo motor 6 is rotated in the corresponding direction, the servo motor 6 drives the screw rod 3 to rotate, the screw rod 3 rotates to drive the sliding block 4 to move, the sliding block 4 is constrained by the slide rail 2 and can only move forward or backward along the slide rail 2, the counterweight box 5 is fixedly connected with the sliding block 4 and moves together, the counterweight box 5 is installed with a counterweight block or a payload device inside, so as to change the longitudinal gravity center position of the unmanned aerial vehicle, realize the longitudinal gravity center position adjustment of the unmanned aerial vehicle, and until the longitudinal balance of the unmanned aerial vehicle is achieved; the longitudinal gravity center position adjustment of the unmanned aerial vehicle using the embodiment avoids the repeated adjustment caused by the over-adjustment caused by the discontinuity of the traditional counterweight method relying on manual adjustment.

[0031] In the description of the utility model, it is understood that: the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the utility model, and therefore cannot be understood as limiting the utility model.

[0032] In the description of the utility model, it is understood that: unless otherwise explicitly specified and limited, the terms "installation", "connection", "setting", "formation" should be understood broadly; for example: it can be fixedly connected, set, or can be detachably connected, or can be an integral structure; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between 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 situation.

[0033] The above embodiments are only used to illustrate the technical scheme of the utility model, and those skilled in the art should understand that the above embodiments do not limit the utility model in any form, and any technical scheme obtained by equivalent replacement or equivalent transformation falls within the protection scope of the utility model.

Claims

1. An electrically driven quick adjustment device for the longitudinal center of gravity of an unmanned aerial vehicle, characterized by: The application relates to a lifting mechanism, which comprises a base plate, a slide rail, a screw rod, a sliding block, a counterweight box and a driving mechanism; the slide rail is installed on the base plate; the screw rod is rotatably installed on the base plate and is parallel to the slide rail; the sliding block is slidably connected with the slide rail; the sliding block is threadedly connected with the screw rod while being slidably connected with the slide rail; the counterweight box is installed on the sliding block and is used for containing a counterweight; and the driving mechanism is used for driving the screw rod to rotate.

2. The longitudinal center of gravity position electrically driven quick adjustment device for unmanned aerial vehicle according to claim 1, wherein, Front and rear supports are arranged on the base plate, and the screw rod is rotatably connected with the front and rear supports at two ends; one end of the screw rod penetrates through the front support or the rear support and is in transmission connection with the driving mechanism.

3. The device according to claim 1 or 2, characterized in that, The driving mechanism comprises a servo motor and a gear assembly; the servo motor is installed on the base plate; and the servo motor is in transmission connection with one end of the screw rod through the gear assembly.

4. The longitudinal center of gravity position electrically driven quick adjustment device of claim 3, wherein, The gear assembly comprises a driving gear and a driven gear; the driving gear is installed on an output shaft of the servo motor; the driven gear is installed on one end of the screw rod; and the driving gear is in meshing connection with the driven gear.

5. The longitudinal center of gravity position electrically driven quick adjustment device of claim 4, wherein, The driven gear is in key connection with the end of the screw rod and is fixed through a baffle and a fastening screw.

6. The longitudinal center of gravity position electrically driven quick adjustment device for unmanned aerial vehicle according to claim 1 or 2, characterized in that, The slide rail is arranged directly below the screw rod.

7. The longitudinal center of gravity position electrically driven quick adjustment device for unmanned aerial vehicle according to claim 1, characterized in that, A plurality of base plate mounting screws are arranged on the base plate; and the base plate is connected with an external structure through the base plate mounting screws.

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