Low-altitude flight unmanned aerial vehicle

Abstract

The low-altitude flight unmanned aerial vehicle comprises an unmanned aerial vehicle body and further comprises an installation base, an installation frame, an undercarriage and a positioning mechanism, the installation base is fixedly arranged on the bottom side wall of the unmanned aerial vehicle body, installation grooves are formed in the two opposite side walls of the installation base and penetrate through the bottom side wall of the installation base, the installation frame is arranged to be in a U shape, and the undercarriage is arranged on the installation frame. The two ends of the mounting frame extend into the mounting grooves and are in sliding connection with the side walls of the mounting grooves, the undercarriage is fixedly arranged on the bottom side wall of the mounting frame, and the positioning mechanism is arranged between the mounting frame and the mounting base and used for positioning the mounting frame and the mounting base; the low-altitude flight unmanned aerial vehicle is used for solving the problem that in the prior art, the fixing stability of an undercarriage is easily affected due to bolt looseness in the mode that the undercarriage is fixed through bolts in the prior art.

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned plane technical field, concretely relates to a low altitude flight unmanned plane. BACKGROUND

[0002] With the continuous development of unmanned plane technology, low altitude flight unmanned plane has been widely applied in many fields such as logistics distribution, environmental monitoring, power inspection, film shooting, etc., and the reliability and stability of installation fixation of landing gear as an important component of unmanned plane directly affect the safe take-off and landing and flight performance of unmanned plane.

[0003] In the prior art, the common unmanned plane generally adopts bolt connection mode to fix the landing gear, and the bolt is prone to loosening when facing complex low altitude flight environment such as air flow disturbance and bumpy landing, which leads to the decrease of landing gear connection strength and even the serious safety hazard of landing gear falling off. UTILITY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] In view of the defects in the prior art, the utility model provides a low altitude flight unmanned plane, which is used to solve the problem that the prior art is prone to affecting the fixation stability of landing gear due to bolt loosening when fixing the landing gear by bolt.

[0006] (II) technical scheme

[0007] In order to achieve the above purpose, the utility model provides the following technical scheme: a low altitude flight unmanned plane, comprising an unmanned plane body, further comprising a mounting seat, a mounting frame, a landing gear and a positioning mechanism, the mounting seat is fixedly arranged on the bottom side wall of the unmanned plane body, the opposite two side walls of the mounting seat are provided with mounting grooves, the mounting grooves penetrate the bottom side wall of the mounting seat, the mounting frame is arranged in U shape, the two ends of the mounting frame extend into the mounting grooves and are slidably connected with the side walls of the mounting grooves, the landing gear is fixedly arranged on the bottom side wall of the mounting frame, the positioning mechanism is arranged between the mounting frame and the mounting seat and is used for positioning between the mounting frame and the mounting seat.

[0008] Preferably, the positioning mechanism comprises a first positioning slot, a first cavity, a positioning block and a relative movement mechanism, two L-shaped first positioning slots are arranged in the bottom of the mounting slot, the first cavity is arranged in the mounting frame and located at one side of the first positioning slot, two positioning openings are arranged in the side of the first cavity close to the first positioning slot, the positioning openings are aligned with the first positioning slots, the positioning block is slidingly arranged in the first cavity, one end of the positioning block penetrates through the positioning opening and extends into the first positioning slot, and the relative movement mechanism is arranged in the first cavity and used to drive the two positioning blocks in the first cavity to move relatively.

[0009] Further, the relative movement mechanism comprises an adjusting disc, an adjusting rod and a rotating mechanism, the adjusting disc is rotatably arranged on the side wall of the first cavity, two rotating shafts are rotatably arranged at the eccentric position of the adjusting disc, the adjusting rod is fixedly arranged on the side wall of the rotating shaft, one end of the adjusting rod away from the rotating shaft is hingedly connected with the side wall of the positioning block, and the rotating mechanism is arranged in the mounting frame and used to drive the two adjusting discs to synchronously rotate.

[0010] Still further, the rotating mechanism comprises a second cavity, a second bevel gear and a synchronous rotating mechanism, the second cavity is arranged in the mounting frame and located at one side of the first cavity, a first bevel gear is rotatably arranged on the side wall of the second cavity close to the adjusting disc, a first connecting rod is fixedly arranged between the first bevel gear and the adjusting disc, the second bevel gear is rotatably arranged on the inner bottom wall of the second cavity, the first bevel gear is meshed with the first bevel gear, and the synchronous rotating mechanism is arranged on the mounting frame and used to drive the two second bevel gears to synchronously rotate.

[0011] Still further, the synchronous rotating mechanism comprises a third cavity, a fourth bevel gear and a driving mechanism, the third cavity is arranged in the mounting frame and located at one side of the second cavity, a third bevel gear is rotatably arranged on the inner top wall of the third cavity, a second connecting rod is fixedly arranged between the third bevel gear and the second bevel gear, the fourth bevel gear is rotatably arranged on the side wall of the third cavity, the fourth bevel gear is meshed with the third bevel gear, and the driving mechanism is arranged on the mounting frame and used to drive the two fourth bevel gears to synchronously rotate.

[0012] On the basis of the above scheme, the driving mechanism comprises a driving rod and a hand wheel, the driving rod is fixedly arranged between the two fourth bevel gears, the hand wheel is rotatably arranged on the side wall of the mounting frame, one end of the driving rod close to the hand wheel penetrates through the fourth bevel gear and is fixedly connected with the hand wheel, a torsional spring is sleeved on the driving rod, and the two ends of the torsional spring are fixedly connected with the driving rod and the side wall of the third cavity respectively.

[0013] (III) Beneficial Effects

[0014] Compared with the prior art, the low-altitude flight unmanned aerial vehicle has the following beneficial effects:

[0015] 1. In the utility model, after the end of the positioning frame is inserted into the installation groove, the positioning block can be driven to extend into the first positioning groove through the relative movement mechanism, and the installation and fixation between the mounting frame and the mounting seat are realized through the cooperation of the positioning block and the first positioning groove, so that the installation and fixation of the landing gear are facilitated.

[0016] 2. In the utility model, through the setting of the relative movement mechanism, the driving rod and the fourth bevel gear can be driven to rotate through the rotation of the hand wheel, and the third bevel gear and the second bevel gear can be driven to rotate through the meshing of the fourth bevel gear and the third bevel gear, and then the first bevel gear and the adjusting disc can be driven to rotate through the meshing of the second bevel gear and the first bevel gear, so that the two positioning blocks can be pulled to move relatively through the adjusting rod during the rotation of the adjusting disc.

[0017] 3. In the utility model, through the setting of the torsional spring, the driving rod can be limited through the elastic force of the torsional spring, and then the positioning block can be prevented from being pulled out of the first positioning groove, and the installation stability between the landing gear and the unmanned aerial vehicle body is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structure schematic view of the present application;

[0019] Figure 2 It is another perspective structure schematic view of the present application;

[0020] Figure 3 It is an exploded structure schematic view of the present application;

[0021] Figure 4 It is a mounting frame structure schematic view of the present application;

[0022] Figure 5 It is a mounting frame sectional structure schematic view of the present application;

[0023] Figure 6 It is a sectional structure schematic view of the driving mechanism of the present application.

[0024] In the figure: 1, unmanned aerial vehicle body; 2, mounting seat; 3, mounting groove; 4, mounting frame; 5, landing gear; 6, first positioning groove; 7, first cavity; 8, positioning port; 9, positioning block; 10, adjusting disc; 11, rotating shaft; 12, adjusting rod; 13, second cavity; 14, first bevel gear; 15, second bevel gear; 16, third cavity; 17, third bevel gear; 18, second connecting rod; 19, fourth bevel gear; 20, driving rod; 21, hand wheel; 22, torsional spring. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figures 1-6 A low-altitude flight unmanned aerial vehicle, comprising an unmanned aerial vehicle body 1, further comprising a mounting seat 2, a mounting frame 4, a landing gear 5 and a positioning mechanism, the mounting seat 2 is fixedly arranged on the bottom side wall of the unmanned aerial vehicle body 1, the opposite two side walls of the mounting seat 2 are both provided with a mounting groove 3, the mounting groove 3 penetrates the bottom side wall of the mounting seat 2, the mounting frame 4 is arranged in a U shape, the two ends of the mounting frame 4 extend into the mounting groove 3 and are slidably connected with the side wall of the mounting groove 3, the landing gear 5 is fixedly arranged on the bottom side wall of the mounting frame 4, and the positioning mechanism is arranged between the mounting frame 4 and the mounting seat 2 and is used for positioning between the mounting frame 4 and the mounting seat 2.

[0027] Refer to Figures 1-5 The positioning mechanism comprises a first positioning groove 6, a first cavity 7, a positioning block 9 and a relative movement mechanism, the groove bottom of the mounting groove 3 is provided with two L-shaped first positioning grooves 6, a first cavity 7 is arranged in the mounting frame 4 at one side of the first positioning groove 6, two positioning ports 8 are arranged at the side close to the first positioning groove 6 of the first cavity 7, the positioning port 8 is aligned with the first positioning groove 6, the positioning block 9 is slidably arranged in the first cavity 7, one end of the positioning block 9 penetrates the positioning port 8 and extends into the first positioning groove 6, and the relative movement mechanism is arranged in the first cavity 7 and is used for driving the two positioning blocks 9 in the first cavity 7 to move relatively. Specifically, after the end of the positioning frame extends into the mounting groove 3, the positioning block 9 can be driven to extend into the first positioning groove 6 through the arrangement of the relative movement mechanism, and then the mounting and fixing between the mounting frame 4 and the mounting seat 2 are realized through the cooperation of the positioning block 9 and the first positioning groove 6, so that the mounting and fixing of the landing gear 5 are facilitated.

[0028] Refer to Figures 3-6, the relative moving mechanism comprises adjusting discs 10, adjusting rods 12 and rotating mechanisms, the adjusting discs 10 are rotationally arranged on the side wall of the first cavity 7, eccentric positions of the adjusting discs 10 are rotationally provided with two rotating shafts 11, the adjusting rods 12 are fixedly arranged on the side wall of the rotating shaft 11, one end of the adjusting rod 12 away from the rotating shaft 11 is hingedly connected with the side wall of the positioning block 9, the rotating mechanisms are arranged in the mounting frame 4 and are used for driving the two adjusting discs 10 to synchronously rotate, the rotating mechanisms comprise second cavities 13, second bevel gears 15 and synchronous rotating mechanisms, the mounting frame 4 is provided with the second cavity 13 on one side of the first cavity 7, the side wall of the second cavity 13 close to the adjusting disc 10 is rotationally provided with the first bevel gear 14, the first bevel gear 14 and the adjusting disc 10 are fixedly provided with the first connecting rod, the second bevel gear 15 is rotationally arranged on the inner bottom wall of the second cavity 13, the first bevel gear 14 is meshed with the second bevel gear 15, the synchronous rotating mechanisms are arranged on the mounting frame 4 and are used for driving the two second bevel gears 15 to synchronously rotate, the synchronous rotating mechanisms comprise third cavities 16, fourth bevel gears 19 and driving mechanisms, the mounting frame 4 is provided with the third cavity 16 on one side of the second cavity 13, the inner top wall of the third cavity 16 is rotationally provided with the third bevel gear 17, the third bevel gear 17 and the second bevel gear 15 are fixedly provided with the second connecting rod 18, the fourth bevel gear 19 is rotationally arranged on the side wall of the third cavity 16, the fourth bevel gear 19 is meshed with the third bevel gear 17, the driving mechanisms are arranged on the mounting frame 4 and are used for driving the two fourth bevel gears 19 to synchronously rotate, specifically, the fourth bevel gear 19 can be driven to rotate through the working of the driving mechanism, at the same time, the third bevel gear 17 and the second bevel gear 15 can be driven to rotate through the meshing of the fourth bevel gear 19 and the third bevel gear 17, and then the first bevel gear 14 and the adjusting disc 10 can be driven to rotate through the meshing of the second bevel gear 15 and the first bevel gear 14, so that the two positioning blocks 9 can be pulled to relatively move through the adjusting rod 12 in the rotating process of the adjusting disc 10.

[0029] With reference to Figures 3-6 , the driving mechanisms comprise driving rods 20 and hand wheels 21, the driving rods 20 are fixedly arranged between the two fourth bevel gears 19, the hand wheels 21 are rotationally arranged on the side wall of the mounting frame 4, one end of the driving rod 20 close to the hand wheel 21 penetrates through the fourth bevel gear 19 and is fixedly connected with the hand wheel 21, wherein the driving rod 20 is sleeved with a torsion spring 22, two ends of the torsion spring 22 are fixedly connected with the driving rod 20 and the side wall of the third cavity 16, specifically, the driving rod 20 and the fourth bevel gear 19 can be driven to rotate through the rotation of the hand wheel 21, the driving rod 20 can be limited through the elastic force of the torsion spring 22 after installation, so that the positioning block 9 can be prevented from being separated from the first positioning groove 6, and the installation stability between the landing gear 5 and the unmanned aerial vehicle body 1 can be ensured.

[0030] The working principle is that, in use, an operator rotates the hand wheel 21, drives the driving rod 20 and the fourth bevel gear 19 to rotate through the rotation of the hand wheel 21, drives the third bevel gear 17 and the second bevel gear 15 to rotate through the meshing of the fourth bevel gear 19 and the third bevel gear 17, and then drives the first bevel gear 14 and the adjusting disc 10 to rotate through the meshing of the second bevel gear 15 and the first bevel gear 14, so that the two positioning blocks 9 are pulled to move relatively through the adjusting rod 12 in the rotation process of the adjusting disc 10, and then the operator can release the hand wheel 21 after the end of the positioning frame is inserted into the mounting groove 3, so that the positioning blocks 9 are reset under the action of the torsion spring 22, so that the positioning blocks 9 are inserted into the first positioning groove 6, and then the mounting frame 4 and the mounting seat 2 are mounted and fixed through the cooperation of the positioning blocks 9 and the first positioning groove 6, so that the mounting and fixing of the landing gear 5 are facilitated.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A low-altitude flying drone comprising a drone body (1), characterized in that, Also include: The mounting seat (2) is fixedly arranged on the bottom side wall of the unmanned aerial vehicle body (1), and the opposite two side walls of the mounting seat (2) are provided with mounting grooves (3), and the mounting grooves (3) penetrate through the bottom side wall of the mounting seat (2); The mounting bracket (4) is provided with a U-shaped mounting bracket (4), and the two ends of the mounting bracket (4) extend into the mounting groove (3) and are connected with the side wall of the mounting groove (3) slidingly; The landing gear (5) is fixedly arranged on the bottom side wall of the mounting bracket (4); The positioning mechanism is arranged between the mounting bracket (4) and the mounting seat (2), and is used for positioning between the mounting bracket (4) and the mounting seat (2).

2. The low altitude flying drone of claim 1, wherein, The positioning mechanism comprises: The first positioning groove (6) is arranged on the bottom of the mounting groove (3), and the first positioning groove (6) is L-shaped; The first cavity (7) is arranged on one side of the first positioning groove (6) in the mounting bracket (4), and the first cavity (7) is arranged on one side of the first positioning groove (6) in the mounting bracket (4); The positioning block (9) is arranged in the first cavity (7), and one end of the positioning block (9) penetrates through the positioning port (8) and extends into the first positioning groove (6); The relative movement mechanism is arranged in the first cavity (7), and is used for driving the two positioning blocks (9) in the first cavity (7) to move relatively.

3. The low altitude flying drone of claim 2, wherein, The relative movement mechanism comprises: The adjusting disc (10) is arranged on the side wall of the first cavity (7), and the eccentric position of the adjusting disc (10) is provided with two rotating shafts (11); The adjusting rod (12) is fixedly arranged on the side wall of the rotating shaft (11), and the end of the adjusting rod (12) away from the rotating shaft (11) is hinged with the side wall of the positioning block (9); The rotating mechanism is arranged in the mounting bracket (4), and is used for driving two adjusting discs (10) to rotate synchronously.

4. The low altitude flying drone of claim 3, wherein, The rotating mechanism comprises: The second cavity (13) is arranged on one side of the first cavity (7) in the mounting bracket (4), and the side wall of the second cavity (13) is rotatably provided with a first bevel gear (14) on one side of the adjusting disc (10); The second bevel gear (15) is rotatably arranged on the inner bottom wall of the second cavity (13), and the first bevel gear (14) is engaged with the first bevel gear (14); The synchronous rotating mechanism is arranged on the mounting bracket (4), and is used for driving two second bevel gears (15) to rotate synchronously.

5. The low altitude flying drone of claim 4, wherein, The synchronous rotating mechanism comprises: A third cavity (16) is formed on one side of the second cavity (13) of the mounting frame (4), an inner top wall of the third cavity (16) is rotatably provided with a third bevel gear (17), and a second connecting rod (18) is fixedly arranged between the third bevel gear (17) and the second bevel gear (15); A fourth bevel gear (19) is rotatably arranged on a side wall of the third cavity (16), and the fourth bevel gear (19) is engaged with the third bevel gear (17); A driving mechanism is arranged on the mounting frame (4) and used for driving the two fourth bevel gears (19) to synchronously rotate.

6. The low altitude flying drone of claim 5, wherein, The driving mechanism comprises: A driving rod (20) is fixedly arranged between the two fourth bevel gears (19); A hand wheel (21) is rotatably arranged on a side wall of the mounting frame (4), one end of the driving rod (20) close to the hand wheel (21) penetrates through the fourth bevel gear (19) and is fixedly connected with the hand wheel (21); Wherein, a torsional spring (22) is sleeved on the driving rod (20), and two ends of the torsional spring (22) are fixedly connected with the driving rod (20) and a side wall of the third cavity (16) respectively.

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