CN219545101U - Unmanned aerial vehicle's bottom support - Google Patents

Abstract

The utility model discloses a bottom bracket of an unmanned aerial vehicle, which comprises a bottom plate, wherein the upper surface of the bottom plate is fixedly connected with a connecting frame, the lower surface of the bottom plate is fixedly connected with an assembly frame, the bottom of the assembly frame is provided with a lifting mechanism, the assembly frame is connected with a fixing plate through the transmission of the lifting mechanism, and four corners of the fixing plate are fixedly provided with fixing components respectively. When the unmanned aerial vehicle is required to execute a long-endurance flight task, the storage battery can be clamped and assembled through the assembly frame, so that the unmanned aerial vehicle carries the standby storage battery in the execution of the flight task, the flight time of the unmanned aerial vehicle is prolonged, when the unmanned aerial vehicle is required to execute an agricultural spraying task, the liquid storage barrel is clamped and fixed through the fixing assembly, and the unmanned aerial vehicle can carry pesticides to meet the requirements of the agricultural flight task.

Description

Unmanned aerial vehicle's bottom support

Technical Field

The utility model relates to the technical field of unmanned aerial vehicle support frames, in particular to a bottom bracket of an unmanned aerial vehicle.

Background

Unmanned aerial vehicles are unmanned aircraft, and are widely applied to the fields of aerial photography, agriculture, plant protection, miniature self-timer, express delivery transportation, disaster rescue, wild animal observation, infectious disease monitoring, mapping, news reporting, power inspection, disaster relief, video shooting and the like. The bottom of unmanned aerial vehicle is provided with the bottom support that carries out it for unmanned aerial vehicle supports fixedly it at taking off and landing in-process, and current bottom support structure is single, only can play the effect of supporting, and the cooperation can not be carried out with unmanned aerial vehicle between today that unmanned aerial vehicle often uses, satisfies the execution of different flight tasks. For this purpose, we propose a bottom bracket for a drone.

Disclosure of Invention

The utility model aims to provide a bottom bracket of an unmanned aerial vehicle, so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an unmanned aerial vehicle's bottom support, includes the bottom board, the last fixed surface of bottom board is connected with the link, the lateral wall fixedly connected with support frame of bottom board, the lower fixed surface of bottom board is connected with the assembly jig, the bottom of assembly jig is equipped with elevating system, the assembly jig is connected with the fixed plate through the elevating system transmission, the four corners of fixed plate is fixed respectively and is equipped with fixed subassembly.

Preferably, the lifting mechanism comprises a lifting screw, the lifting screw is in threaded connection with the bottom of the assembly frame, the top of the lifting screw is rotationally connected with the bottom of the fixing plate, the bottom of the lifting screw is fixedly connected with a handle wheel, the side wall of the fixing plate is integrally formed with a limiting block, the limiting block is in sliding connection with a limiting groove, and the limiting groove is formed in the side wall of the assembly frame.

Preferably, the number of the limiting blocks is at least two, and the two limiting blocks are symmetrically distributed on the side wall of the fixing plate in a left-right mode.

Preferably, the fixed subassembly includes the joint frame, the bottom fixedly connected with axis of rotation of joint frame, the axis of rotation rotates to be connected in the assembly intracavity, the assembly intracavity is seted up in the fixed plate, the surface integrated into one piece of joint frame has spacing draw-in groove and arc draw-in groove, the assembly intracavity is equipped with the locating component to the axis of rotation location.

Preferably, the positioning assembly comprises a positioning frame, the positioning frame is connected in the assembly cavity in a sliding mode, a positioning spline is fixedly connected to the top of the positioning frame and inserted into the spline groove, the spline groove is formed in the bottom of the rotating shaft, a fixing block is fixedly connected to the bottom of the positioning frame, and a spring is clamped between the positioning frame and the assembly cavity.

Compared with the prior art, the utility model has the beneficial effects that: the utility model discloses a bottom bracket of an unmanned aerial vehicle, which is used for being assembled at the bottom of a main body of the unmanned aerial vehicle to support the unmanned aerial vehicle, so as to meet the supporting requirements of take-off and landing of the unmanned aerial vehicle, and meanwhile, a fixing component is assembled in an assembly frame arranged at the bottom of the unmanned aerial vehicle through a lifting mechanism, and different parts such as a storage battery or a liquid storage barrel can be clamped and fixed in the assembly frame by adjusting the angle of the clamping frame in the fixing component.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a front cross-sectional view of the present utility model.

Fig. 3 is a schematic structural view of the fixing assembly of the present utility model.

Fig. 4 is a schematic view of the structure of the assembled battery of the present utility model.

Fig. 5 is a schematic structural view of the assembled liquid storage barrel of the present utility model.

In the figure: 1. bottom plate, 2, link, 3, support frame, 4, assembly frame, 5, elevating system, 51, lifting screw, 52, handle wheel, 53, stopper, 54, spacing groove, 6, fixed plate, 7, fixed subassembly, 71, joint frame, 72, spacing draw-in groove, 73, arc draw-in groove, 74, axis of rotation, 75, assembly chamber, 8, battery, 9, stock solution bucket, 10, locating component, 101, locating rack, 102, positioning spline, 103, spline groove, 104, fixed block, 105, spring, 11, open slot.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1, 2, 3, 4 and 5, the present utility model provides a technical solution: the utility model relates to a bottom bracket of an unmanned aerial vehicle, which comprises a bottom plate 1, wherein a connecting frame 2 which is distributed in a left-right symmetrical manner is fixedly welded on the surface of the bottom plate 1, connecting holes which penetrate through the connecting frame 2 are formed in the surface of the connecting frame 2, a fixing frame 1 can be fixedly connected with the bottom of the unmanned aerial vehicle through the arrangement of the connecting frame 2, a through hole is formed in the middle of the bottom plate 1, a power supply and a flying unit are arranged in the unmanned aerial vehicle, and the unmanned aerial vehicle can carry the unmanned aerial vehicle to execute a flying task.

The left and right side walls of the bottom plate 1 are fixedly connected with a support frame 3 through fixing screws respectively, and the support frame 3 is arranged to support the bottom plate 1 and an unmanned aerial vehicle body connected with the surface of the bottom plate in the process of taking off or landing of the unmanned aerial vehicle, so that the stability of the unmanned aerial vehicle in the whole lifting process is ensured.

The bottom welded fastening who is the assembly jig 4 of fretwork, the bottom of assembly jig 4 is connected with fixed plate 6 through elevating system 5 transmission, fixed plate 6's four corners do not is equipped with fixed subassembly 7, adjust fixed plate 6's height through elevating system 5, make fixed subassembly 7 on fixed plate 6 surface cooperate with the inner chamber top of assembly jig 4, accomplish the connection fixed to battery 8 or stock solution bucket 9, fixed subassembly 7 has two kinds of use modes, need carry out longer flight mission, when needing to lengthen unmanned aerial vehicle's duration, assemble fixedly to battery 8 through fixed subassembly 7, when needs carry out pesticide spraying mission, through fixed subassembly 7 another fixed mode with stock solution bucket 9, be applicable to different flight mission demands, the center department of bottom plate 1 is provided with the through-hole, be used for unmanned aerial vehicle main part and battery 8 or stock solution bucket 9 to connect the assembly.

The lifting mechanism 5 comprises a lifting screw rod 51 which is connected to the bottom of the assembly frame 4 in a threaded manner, the top end of the lifting screw rod 51 is rotationally connected with the bottom of the fixed plate 6, a handle wheel 52 is fixedly welded at the bottom end of the lifting screw rod 51 through penetrating through the assembly frame 4, the lifting screw rod 51 is driven to rotate through the hand wheel 52, lifting of the lifting screw rod 51 is completed at the bottom of the assembly frame 4, a limiting block 53 is integrally formed on the side wall of the fixed plate 6, the limiting block 53 is slidably connected in a limiting groove 54, the limiting groove 54 is formed in the side wall of the assembly frame 4, the limiting block 53 is limited through the limiting groove 54, and the lifting screw rod 51 can only regulate the height of the fixed plate 6 in the rotating process, and the horizontal angle of the lifting screw rod is stable.

As shown in fig. 3, the fixing assembly 7 includes a clamping frame 71, a limiting clamping groove 72 and an arc clamping groove 73 are integrally formed on the surface of the clamping frame 71, the limiting clamping groove 72 is used for clamping and fixing the storage battery 8, the arc clamping groove 73 is used for limiting and fixing the liquid storage barrel 9, a rotating shaft 74 is welded and fixed at the bottom of the clamping frame 71, the rotating shaft 74 is inserted into an assembling cavity 75, the assembling cavity 75 is formed in an inner cavity of the fixing plate 6, the rotating angle of the clamping frame 71 is clamped and fixed through a positioning assembly 10 assembled in the assembling cavity 75, and the position of the clamping frame 71 using the limiting clamping groove 72 or the arc clamping groove 73 is stable.

The positioning assembly 10 comprises a positioning frame 101 which is slidably connected in the assembly cavity 75, a positioning spline 102 is integrally formed at the top of the positioning frame 101, the positioning spline 102 is inserted into a spline groove 103, the spline groove 103 is formed at the bottom of the rotating shaft 74, a fixed block 104 is fixedly connected with the bottom end of the positioning frame 101 through the assembly cavity 75, a spring 105 is clamped between the positioning frame 101 and the assembly cavity 75, the spring 105 generates elastic force on the positioning frame 101, the positioning spline 102 at the top of the positioning frame 101 is clamped and fixed with the spline groove 103, the angular position of the clamping frame 71 is fixed, the positioning frame 101 is pulled downwards through the fixed block 104, and after the connecting spline 102 is separated from the spline groove 103, the clamping frame 71 can be rotated for adjusting the use angle.

The open slot 11 corresponding to the position of the positioning component 10 is formed in the bottom of the assembly frame 4, when the fixing plate 6 is positioned at the bottom of the assembly frame 4, the positioning component 10 penetrates through the open slot 11, so that the positioning component 10 can be conveniently operated, and the angle of the clamping frame 71 can be conveniently adjusted.

Working principle: as shown in fig. 4 and 5, the utility model has two use modes, when the long-time flight task needs to be executed and the duration of the unmanned aerial vehicle needs to be prolonged, the limiting clamping groove 72 is inwards by adjusting the rotation angle of the clamping frame 71 of the fixing component 7, then the fixing plate 6 is driven to ascend by the lifting mechanism 5, the limiting clamp 72 of the clamping frame 71 clamps and fixes the storage battery 8, and the storage battery 8 is connected with the unmanned aerial vehicle to provide a standby power supply for the unmanned aerial vehicle. When the unmanned aerial vehicle pesticide spraying task is required to be executed, the rotation angle of the clamping frame 71 is adjusted, the arc-shaped clamping groove 73 is inwards arranged, the liquid storage barrel 9 is clamped and fixed through the cooperation of the fixing component 7 and the assembly frame 4, and the liquid storage barrel 9 is used for storing the unmanned aerial vehicle pesticide, so that the unmanned aerial vehicle pesticide spraying device is simple and convenient to operate, and the corresponding parts required to be assembled can be selected according to the different tasks executed by the unmanned aerial vehicle, so that the task requirements of flight tasks are met.

Claims (5)

1. The utility model provides an unmanned aerial vehicle's bottom support, includes bottom board (1), its characterized in that: the upper surface of the bottom plate (1) is fixedly connected with a connecting frame (2), the side wall of the bottom plate (1) is fixedly connected with a supporting frame (3), the lower surface of the bottom plate (1) is fixedly connected with an assembling frame (4), the bottom of assembly jig (4) is equipped with elevating system (5), assembly jig (4) are connected with fixed plate (6) through elevating system (5) transmission, fixed subassembly (7) are fixed respectively in the four corners of fixed plate (6).

2. The unmanned aerial vehicle's bottom bracket of claim 1, wherein: elevating system (5) are including lift screw (51), lift screw (51) spiro union is in the bottom of assembly jig (4), the top of lift screw (51) rotates with the bottom of fixed plate (6) and is connected, the bottom fixedly connected with handle wheel (52) of lift screw (51), the lateral wall integrated into one piece of fixed plate (6) has stopper (53), stopper (53) sliding connection is in spacing inslot (54), the lateral wall at assembly jig (4) is seted up in spacing inslot (54).

3. The unmanned aerial vehicle bottom bracket of claim 2, wherein: the limiting blocks (53) are matched with the limiting grooves (54) in number, the number of the limiting blocks (53) is at least two, and the two limiting blocks (53) are symmetrically distributed on the side wall of the fixed plate (6) in a left-right mode.

4. The unmanned aerial vehicle's bottom bracket of claim 1, wherein: the fixing assembly (7) comprises a clamping frame (71), a rotating shaft (74) is fixedly connected to the bottom of the clamping frame (71), the rotating shaft (74) is rotatably connected to an assembling cavity (75), the assembling cavity (75) is formed in the fixing plate (6), a limiting clamping groove (72) and an arc clamping groove (73) are integrally formed in the surface of the clamping frame (71), and a positioning assembly (10) for positioning the rotating shaft (74) is assembled in the assembling cavity (75).

5. The unmanned aerial vehicle's bottom bracket of claim 4, wherein: the positioning assembly (10) comprises a positioning frame (101), the positioning frame (101) is connected in the assembly cavity (75) in a sliding mode, a positioning spline (102) is fixedly connected to the top of the positioning frame (101), the positioning spline (102) is inserted into a spline groove (103), the spline groove (103) is formed in the bottom of the rotating shaft (74), a fixing block (104) is fixedly connected to the bottom of the positioning frame (101), and a spring (105) is clamped between the positioning frame (101) and the assembly cavity (75).