CN209956220U

CN209956220U - Anticollision formula rotor unmanned aerial vehicle

Info

Publication number: CN209956220U
Application number: CN201821912269.7U
Authority: CN
Inventors: 何诚; 舒立福; 张思玉; 刘柯珍; 王越
Original assignee: Nanjing Forest Police College
Current assignee: Nanjing Forest Police College
Priority date: 2018-11-20
Filing date: 2018-11-20
Publication date: 2020-01-17
Anticipated expiration: 2028-11-20

Abstract

The utility model discloses an anticollision formula rotor unmanned aerial vehicle, include: unmanned aerial vehicle organism, the unmanned aerial vehicle organism include the organism and with organism integrated into one piece's extension arm, the equidistance is provided with six linking arms on the extension arm, the end of linking arm is equipped with the mount pad, be equipped with the motor on the mount pad, the power take off end of motor is connected with the rotor, be provided with between extension arm and the linking arm and prevent disconnected pullback mechanism, prevent disconnected pullback mechanism including fixing at the terminal protective sleeve of extension arm and being located protective sleeve outlying pullback mechanism, the fixed slot has been seted up to protective sleeve inside, the linking arm setting is equipped with the fracture pole in the fixed slot and with the fixed slot junction, the fracture pole is two segmentation structures and middle part connection has the hinge, six adjustment tanks have evenly been seted up to protective sleeve's outer wall, the opening part of adjustment tank is equipped with the limiting plate.

Description

Anticollision formula rotor unmanned aerial vehicle

Technical Field

The utility model relates to an unmanned air vehicle technique field specifically is an anticollision formula rotor unmanned aerial vehicle.

Background

The rotor unmanned aerial vehicle is a product integrated by a micro-electro-mechanical system, and becomes the key point of many laboratory researches at home and abroad due to the advantages of capability of taking off and landing vertically, free hovering, flexibility in control, strong capability of adapting to various environments and the like. The system research of the rotor unmanned aerial vehicle mainly aims at a ground control system and an airborne measurement and control communication system, wherein the ground control system can monitor and command control the flight attitude of the unmanned aerial vehicle; airborne measurement and control communication system carries out data acquisition to inertial sensor, ultrasonic ranging appearance etc. mainly under unmanned aerial vehicle flight condition to give ground control system to these data transfer, rotor unmanned aerial vehicle is often used for taking photo by plane by people, installs the camera with rotor unmanned aerial vehicle's bottom, can shoot in the high altitude.

However, the existing rotorcraft has the following problems when working aloft: (1) when the rotor unmanned aerial vehicle works at high altitude, the rotor is easily impacted by birds and wind force, so that the anti-collision performance is poor; (2) the equipment of rotor unmanned aerial vehicle bottom through the connecting piece is adorned outward, takes place the activity easily when the striking, has the danger of breaking, lacks the safeguard measure. For this reason, a corresponding technical scheme needs to be designed to solve the existing technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anticollision formula rotor unmanned aerial vehicle has solved the problem that proposes in the background art, satisfies the in-service use demand.

In order to achieve the above object, the utility model provides a following technical scheme:

a collision-resistant rotorcraft, comprising: an unmanned aerial vehicle body, the unmanned aerial vehicle body comprises a body and an extension arm integrally formed with the body, six groups of connecting arms are arranged on the extension arm at equal intervals, a mounting seat is arranged at the tail end of each connecting arm, a motor is arranged on the mounting seat, a power output end of the motor is connected with a rotor wing, a breakage-proof pull-back mechanism is arranged between the extension arm and the connecting arms, the breakage-proof pull-back mechanism comprises a safety sleeve fixed at the tail end of the extension arm and a pull-back mechanism positioned at the periphery of the safety sleeve, a fixed groove is formed in the safety sleeve, the connecting arms are arranged in the fixed groove, a fracture rod is arranged at the joint of the connecting arms and the fixed groove, the fracture rod is of a two-section structure, the middle part of the fracture rod is connected with a hinge, six groups of adjusting grooves are uniformly formed in the outer, the rotating ball is arranged in the adjusting groove, and the tail end of the pull-back spring is uniformly fixed on the surface of the connecting arm;

as a preferred embodiment of the utility model, the anti-collision mechanism comprises a first anti-collision ring and a second anti-collision ring which are symmetrically distributed up and down, the first anti-collision ring is arranged right above the rotor wing, the first anti-collision ring comprises a soft buffer ring and a rigid protection ring which is arranged at the inner side of the soft buffer ring, a plurality of groups of pressure-bearing springs are arranged between the soft buffer ring and the rigid protection ring, the outer ends of the pressure-bearing springs are connected with the inner wall of the soft buffer ring, the outer ends of the pressure-bearing springs are connected with the rigid protection ring, the inner side of the rigid protection ring is provided with four groups of support rods, the tail ends of the support rods are connected with height adjusting rods, the height adjusting rods are connected with the unmanned aerial vehicle body, the second anti-collision ring is identical to the first anti-collision ring, two groups of support frames which are symmetrically distributed left and, protection machanism is including being first guard plate and the second guard plate that bilateral symmetry distributes, be equipped with the mounting groove between first guard plate and the second guard plate, the mounting groove is seted up in the unmanned aerial vehicle bottom, rigidity guard ring, bracing piece and altitude mixture control pole all adopt carbon fiber material.

As an optimal implementation mode of the utility model, first guard plate includes arc guard plate, gag lever post, buffer spring and baffle, the gag lever post that the upper end activity of arc guard plate set up and place in the bottom of unmanned aerial vehicle organism and inboard and two sets of levels is connected, the outer end of gag lever post is connected with buffer spring, buffer spring's end is connected with the baffle, the second guard plate is the same with first guard plate structure.

As an optimal implementation mode of the utility model, the arc guard plate is equipped with the fixed block with the junction of unmanned aerial vehicle organism, the inside fluting of fixed block, the recess internalization is equipped with the mobile jib, the mobile jib is connected with torsion spring with arc guard plate fixed connection and both ends, torsion spring's outer end is fixed on the inner wall of recess.

As an optimized embodiment of the utility model, soft buffer ring wholly is that annular structure and inside packing have the rubber pad, a plurality of rubber layers are established to the rubber pad inside part, be wavy structure between the rubber layer.

As an optimized embodiment of the present invention, the rigid protection ring has an annular tubular structure and is a hollow structure inside, and a plurality of groups of through holes are uniformly formed on the surface of the rigid protection ring.

As a preferred embodiment of the present invention, the support rod is composed of two sets of metal rods, a metal tube is connected between the metal rods, and the metal tube is distributed in a triangular structure.

As a preferred embodiment of the utility model, altitude mixture control pole includes sleeve pipe and pull pole, the sleeve pipe is hollow structure, just pull pole activity is established as to sheathed tube inside, sheathed tube upper end one side is equipped with the screw, the screw internalization is equipped with stop bolt.

As an optimal implementation mode of the utility model, the second anticollision ring is located the mount pad under and is connected with the unmanned aerial vehicle organism through the bracing piece.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. this scheme is equipped with anticollision structure in the rotor periphery of unmanned aerial vehicle organism, can reach the purpose of protection to rotor unmanned aerial vehicle's rotor and organism, improves rotor unmanned aerial vehicle's security.

2. Be equipped with protection machanism in the bottom of unmanned aerial vehicle organism, can carry out spacing, buffering and protection to the equipment of external dress at the in-process of striking, prevent that the connecting piece from splitting, improve the security of organism.

Drawings

Fig. 1 is an overall schematic view of the present invention;

fig. 2 is a top view of the unmanned aerial vehicle body of the present invention;

fig. 3 is a top view of the anti-break pullback mechanism of the present invention;

fig. 4 is a schematic view of the breakage-proof pull-back mechanism of the present invention;

fig. 5 is a drawing schematic view of the breakage-proof pull-back mechanism of the present invention;

fig. 6 is a top view of the anti-collision mechanism of the present invention;

FIG. 7 is a structural view of the height adjusting lever of the present invention;

fig. 8 is the internal structure diagram of the fixing block of the present invention.

In the figure, 1-an unmanned aerial vehicle body, 2-a mounting seat, 3-a rotor wing, 4-an anti-collision mechanism, 5-a first anti-collision ring, 6-a second anti-collision ring, 7-a soft buffer ring, 8-a rigid protection ring, 9-a pressure-bearing spring, 10-a support rod, 11-a height adjusting rod, 12-a support frame, 13-a protection mechanism, 14-a first protection plate, 15-a second protection plate, 16-a mounting groove, 17-an arc protection plate, 18-a limiting rod, 19-a buffer spring, 20-a baffle, 21-a fixing block, 22-a groove, 23-a main rod, 24-a torsion spring, 25-a rubber pad, 26-a through hole, 27-a metal rod, 28-a metal pipe, 29-a sleeve pipe and 30-a drawing rod, 31-limit bolt, 32-machine body, 33-extension arm, 34-connection arm, 35-motor, 36-anti-breaking pull-back mechanism, 37-safety sleeve, 38-pull-back mechanism, 39-fixing groove, 391-breaking rod, 40-hinge, 41-adjusting groove, 42-limit plate, 43-rotating ball and 44-pull-back spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a collision-resistant rotorcraft, comprising: an unmanned aerial vehicle body 1, the unmanned aerial vehicle body 1 comprises a body 32 and an extension arm 33 integrated with the body 32, six groups of connecting arms 34 are equidistantly arranged on the extension arm 33, a mounting base 2 is arranged at the tail end of each connecting arm 34, a motor 35 is arranged on each mounting base 2, a power output end of each motor 35 is connected with a rotor wing 3, an anti-breaking pull-back mechanism 36 is arranged between each extension arm 33 and each connecting arm 34, each anti-breaking pull-back mechanism 36 comprises a safety sleeve 37 fixed at the tail end of each extension arm 33 and a pull-back mechanism 38 located on the periphery of each safety sleeve 37, a fixing groove 39 is formed in each safety sleeve 37, each connecting arm 34 is arranged in each fixing groove 39, a fracture rod 391 is arranged at the joint of each fixing groove 39, each fracture rod 391 is of a two-section structure, a hinge 40 is connected to the middle of each fracture rod, six groups of adjusting grooves 41 are uniformly formed in the outer wall of each, the rotating ball 43 is disposed in the adjusting groove 41, the end of the pull-back spring 44 is uniformly fixed on the surface of the connecting arm 34, when the unmanned aerial vehicle body 1 collides with an object, generally, the part which is firstly impacted is the rotor 3, and by arranging the anti-breaking pull-back mechanism 36 between the extension arm 33 and the connecting arm 34, when the extension arm 33 and the connecting arm 34 are broken by an external force during the impact, the hinge 40 of the breaking rod 391 prevents the extension arm 34 from falling, after the impact is finished, the connecting arm 34 is pulled to be restored to the initial state by the pulling force of the return spring 44 of the peripheral return mechanism 38, so that the unmanned aerial vehicle body 1 is not affected, the anti-collision capability of the unmanned aerial vehicle body 1 is improved, the return mechanism 38 is uniformly arranged on the periphery of the safety sleeve 37, when the connecting arm 34 is broken up, down, left and right, the aim of pulling back the connecting arm 34 at multiple angles can be achieved;

the periphery of the unmanned aerial vehicle body 1 is provided with an anti-collision mechanism 4, the anti-collision mechanism 4 comprises a first anti-collision ring 5 and a second anti-collision ring 6 which are vertically and symmetrically distributed, the first anti-collision ring 5 is arranged right above the rotor wing 3, the first anti-collision ring 5 comprises a soft buffer ring 7 and a rigid protection ring 8 positioned at the inner side of the soft buffer ring 7, a plurality of groups of pressure-bearing springs 9 are arranged between the soft buffer ring 7 and the rigid protection ring 8, the outer ends of the pressure-bearing springs 9 are connected with the inner wall of the soft buffer ring 7, the outer ends of the pressure-bearing springs are connected with the rigid protection ring 8, four groups of support rods 10 are arranged at the inner side of the rigid protection ring 8, the tail ends of the support rods 10 are connected with a height adjusting rod 11, the height adjusting rod 11 is connected with the unmanned aerial vehicle body 1, the second anti-collision ring 6 is identical to the first anti-collision, the protection mechanism 13 comprises a first protection plate 14 and a second protection plate 15 which are symmetrically distributed left and right, a mounting groove 16 is arranged between the first protection plate 14 and the second protection plate 15, the mounting groove 16 is arranged at the bottom of the unmanned aerial vehicle body 1, the rigid protection ring 8, the support rod 10 and the height adjusting rod 11 are made of carbon fiber materials, the periphery of the rotor 3 of the unmanned aerial vehicle body 1 is provided with the anti-collision mechanism 4, when the unmanned aerial vehicle body 1 is impacted, first buffering is carried out through the soft buffer ring 7 at the outermost side, the purpose of secondary buffering can be achieved by utilizing the rubber pads 25 in the soft buffer ring 7, the wavy structure is designed between the rubber layers of the rubber pads 25, the purpose of better buffering and force unloading can be achieved, the purpose of buffering and force unloading can be achieved by extruding the pressure-bearing springs 9 by the soft buffer ring 7 during impacting, and the purpose, finally, the purpose of protection is achieved through the rigid protection ring 8 on the inner side, damage to the rotor 3 and the unmanned aerial vehicle body 1 on the inner side caused by overlarge impact force is avoided, the rigid protection ring 8 is made of carbon fiber materials, the carbon fiber materials have high strength and light weight, the rigid protection ring 8 is designed to be of a hollow structure, through holes 26 are formed in the surface of the rigid protection ring 8, the weight of the anti-collision mechanism 4 can be reduced to a large extent, the metal pipes of the support rods 10 on the inner side are designed to be distributed in a triangular structure, the triangular structure has good stability, the strength of the support rods 10 can be improved, a user can pull the pull rod 30 inside the height adjusting rod 11 up and down in the sleeve 29, the distance between the first anti-collision ring 5 and the second anti-collision ring 6 can be adjusted according to the height of the unmanned aerial vehicle body, and the purpose of fixing is achieved by screwing, and be equipped with first guard plate 14 and second guard plate 15 in the outside of mounting groove, when needing erection equipment, the user is through pulling first guard plate 14 and second guard plate 15, with equipment fixing in mounting groove 16, the back of finishing the installation, torsion spring 24's the interior side motion of back force pulling arc guard plate 17, and make inboard baffle 20 and equipment contact, reach fixed purpose under the effect of extrusion force, when unmanned aerial vehicle organism 1 when the striking, bottom equipment swings, reach the purpose of soft contact and buffering through buffer spring 19, and reach spacing purpose through gag lever post 18, thereby improve the stability and the security of adorning equipment outward.

Further improved, as shown in fig. 1: the first protection plate 14 comprises an arc protection plate 17, limiting rods 18, buffer springs 19 and baffle plates 20, the upper end of the arc protection plate 17 is movably arranged at the bottom of the unmanned aerial vehicle body 1, the inner side of the arc protection plate is connected with the two groups of limiting rods 18 which are horizontally arranged, the outer end of each limiting rod 18 is connected with the buffer springs 19, the tail ends of the buffer springs 19 are connected with the baffle plates 20, the second protection plate 15 is identical to the first protection plate 14 in structure, the first protection plate 14 and the second protection plate 15 are arranged on the outer side of the installation groove, when equipment needs to be installed, a user pulls the first protection plate 14 and the second protection plate 15 to install the equipment in the installation groove 16, after the installation is finished, the arc protection plate 17 is pulled by the returning force of the torsion springs 24 to move towards the inner side, the baffle plates 20 on the inner side are made to be in contact with the, the bottom device swings, the soft contact and buffering purposes are achieved through the buffer spring 19, and the limiting purpose is achieved through the limiting rod 18.

Further improved, as shown in fig. 8: arc guard plate 17 is equipped with fixed block 21 with unmanned aerial vehicle organism 1's junction, the inside recess 22 of having seted up of fixed block 21, recess 22 internalization is equipped with mobile jib 23, mobile jib 23 is connected with torque spring 24 with arc guard plate 17 fixed connection and both ends, torque spring 24's outer end is fixed on recess 22's inner wall, when needing erection equipment, pull arc guard plate 17, arc guard plate 17 drives inside mobile jib 23 at the internal rotation of recess 22, after the installation finishes, it is under the effect of torque spring 24 resilience force to release arc guard plate 17, pulling arc guard plate 17 is to the inside side motion, and make inboard baffle 20 contact with equipment, reach fixed purpose under the effect of extrusion force.

Further improved, as shown in fig. 6: the soft buffer ring 7 is integrally of an annular structure, the rubber pad 25 is filled in the soft buffer ring 7, a plurality of rubber layers are arranged in the rubber pad 25, the rubber layers are of a wavy structure, the rubber pad 25 in the soft buffer ring 7 can achieve the purpose of secondary buffering, and the rubber layers of the rubber pad 25 are designed to be of a wavy structure, so that the purpose of better buffering and force unloading can be achieved.

Further improved, as shown in fig. 6: rigidity guard ring 8 is annular tubular structure and inside hollow structure, and a plurality of groups through-hole 26 have evenly been seted up on rigidity guard ring 8 surface, adopts carbon fiber material to make rigidity guard ring 8, and carbon fiber material has higher intensity and weight lighter to through-hole 26 has been seted up for hollow structure and surface to rigidity guard ring 8 design, can alleviate crashproof mechanism 4's weight to a great extent, and can be equipped with through-hole 26 and do not influence the flow of outside gas when the rotor rotates.

Further improved, as shown in fig. 6: the bracing piece 10 comprises two sets of metal poles 27, is connected with tubular metal resonator 28 between the metal pole 27, and tubular metal resonator 28 is triangle column structure and distributes, and the tubular metal resonator design of bracing piece 10 distributes for triangle column structure, and the triangle structure has better stability, can improve the intensity of bracing piece 10.

Further improved, as shown in fig. 1: the height adjusting rod 11 comprises a sleeve 29 and a drawing rod 30, the sleeve 29 is of a hollow structure, the drawing rod 30 is movably arranged inside the sleeve 29, a screw hole is formed in one side of the upper end of the sleeve 29, a limiting bolt 31 is movably arranged in the screw hole, a user can draw the drawing rod 30 inside the height adjusting rod 11 up and down in the sleeve 29, the distance between the first anti-collision ring 5 and the second anti-collision ring 6 can be adjusted according to the height of the unmanned aerial vehicle body, and the purpose of fixing is achieved by screwing the limiting bolt 31 after the adjustment is completed.

Specifically, as shown in fig. 1: the second anti-collision ring 6 is located under the mount pad 2 and is connected with the unmanned aerial vehicle body 1 through a support rod 10.

When in use: when the unmanned aerial vehicle body 1 collides with an object, generally, firstly, the part which is impacted is a rotor 3, the anti-breaking pull-back mechanism 36 is arranged between the extension arm 33 and the connecting arm 34, when the collision happens, the extension arm 33 and the connecting arm 34 are fractured under the external force, so as to achieve the purpose of force unloading, the hinge 40 of the fracture rod 391 prevents the extension arm 34 from falling off when the fracture happens, after the collision is over, the pull-back force of the pull-back spring 44 of the peripheral pull-back mechanism 38 pulls the connecting arm 34, so that the connecting arm 34 is pulled back to the fixed groove 39 to recover to the initial state, so that the unmanned aerial vehicle body 1 is not affected, the anti-collision capacity of the unmanned aerial vehicle body 1 is improved, the pull-back mechanism 38 is uniformly provided with the periphery of the safety sleeve 37, when the connecting arm 34 is fractured up, the multi-angle pull-back purpose of the connecting arm 34 can be achieved, the anti-collision, by arranging the anti-collision mechanism 4 at the periphery of the rotor 3 of the unmanned aerial vehicle body 1, when the unmanned aerial vehicle body 1 firstly performs primary buffering through the soft buffer ring 7 at the outermost side in the process of collision, the purpose of secondary buffering can be achieved by utilizing the rubber pad 25 inside the soft buffer ring 7, and the corrugated structure is designed between the rubber layers of the rubber pad 25, so that the purpose of better buffering and unloading force can be achieved, the soft buffer ring 7 can extrude the bearing spring 9 at the inner side in the collision process, the purpose of buffering and unloading force is achieved through the bearing spring 9, and finally the purpose of protection is achieved through the rigid protection ring 8 at the inner side, so that the rotor 3 and the unmanned aerial vehicle body 1 at the inner side caused by overlarge impact force are prevented from being damaged, the rigid protection ring 8 is made of carbon fiber materials, the carbon fiber materials have higher strength and lighter weight, and the rigid protection ring 8 is designed into a hollow structure and, the weight of the anti-collision mechanism 4 can be greatly reduced, the metal pipes of the inner side supporting rod 10 are designed to be distributed in a triangular structure, the triangular structure has good stability, the strength of the supporting rod 10 can be improved, a user can pull the pull rod 30 in the height adjusting rod 11 up and down in the sleeve 29, the distance between the first anti-collision ring 5 and the second anti-collision ring 6 can be adjusted according to the height of the unmanned aerial vehicle body, the purpose of fixing is achieved by screwing the limiting bolt 31 after the adjustment is completed, the first protection plate 14 and the second protection plate 15 are arranged on the outer side of the installation groove, when equipment needs to be installed, the user can install the equipment in the installation groove 16 by pulling the first protection plate 14 and the second protection plate 15, after the installation is completed, the return force of the torsion spring 24 pulls the arc-shaped protection plate 17 to move, and the baffle plate 20 on the inner side is in contact with the equipment, reach fixed purpose under the effect of extrusion force, when unmanned aerial vehicle organism 1 when the striking, the purpose of bottom equipment swing through buffer spring 19 reaches soft contact and buffering to reach spacing purpose through gag lever post 18, thereby improve the stability and the security of adorning equipment outward.

The product protected by the scheme is put into practical production and application at present, and particularly, the application in the field of unmanned aerial vehicles is successful to a certain extent, so that the technical scheme of the product is obviously proved to be beneficial, meets social requirements, and is suitable for batch production and popularization and use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A collision-resistant rotorcraft, comprising: unmanned aerial vehicle organism (1), unmanned aerial vehicle organism (1) include organism (32) and with organism (32) integrated into one piece's extension arm (33), the equidistance is provided with six linking arm (34) of organizing on extension arm (33), the end of linking arm (34) is equipped with mount pad (2), be equipped with motor (35) on mount pad (2), the power take off end of motor (35) is connected with rotor (3), its characterized in that: a breakage-proof pull-back mechanism (36) is arranged between the extension arm (33) and the connecting arm (34), the breakage-proof pull-back mechanism (36) comprises a safety sleeve (37) fixed at the tail end of the extension arm (33) and a pull-back mechanism (38) located on the periphery of the safety sleeve (37), a fixing groove (39) is formed in the safety sleeve (37), the connecting arm (34) is arranged in the fixing groove (39) and is provided with a fracture rod (391) at the joint of the fracture rod (391) in a two-section structure, the middle of the fracture rod (391) is connected with a hinge (40), six groups of adjusting grooves (41) are uniformly formed in the outer wall of the safety sleeve (37), a limiting plate (42) is arranged at an opening of each adjusting groove (41), the pull-back mechanism (38) comprises a rotating ball (43) and a pull-back spring (44) connected with the rotating ball (43), and the rotating ball (43) is arranged in the adjusting, the tail end of the pull-back spring (44) is uniformly fixed on the surface of the connecting arm (34).

2. The collision-resistant rotary-wing drone of claim 1, characterized in that: the unmanned aerial vehicle is characterized in that an anti-collision mechanism (4) is arranged on the periphery of the unmanned aerial vehicle body (1), the anti-collision mechanism (4) comprises a first anti-collision ring (5) and a second anti-collision ring (6) which are symmetrically distributed from top to bottom, the first anti-collision ring (5) is arranged right above the rotor (3), the first anti-collision ring (5) comprises a soft buffer ring (7) and a rigid protection ring (8) positioned on the inner side of the soft buffer ring (7), a plurality of groups of pressure-bearing springs (9) are arranged between the soft buffer ring (7) and the rigid protection ring (8), the outer ends of the pressure-bearing springs (9) are connected with the inner wall of the soft buffer ring (7) and the outer ends of the soft buffer ring are connected with the rigid protection ring (8), four groups of support rods (10) are arranged on the inner side of the rigid protection ring (8), the tail ends of the support rods (10) are connected with height adjusting rods (11, second anti-collision ring (6) are the same with first anti-collision ring (5) structure, two sets of support frame (12) that are bilateral symmetry and distribute are installed to unmanned aerial vehicle organism (1) bottom, be equipped with protection machanism (13) between support frame (12), protection machanism (13) are including first guard plate (14) and second guard plate (15) that are bilateral symmetry and distribute, be equipped with mounting groove (16) between first guard plate (14) and second guard plate (15), unmanned aerial vehicle organism (1) bottom is seted up in mounting groove (16), rigidity guard ring (8), bracing piece (10) and altitude mixture control pole (11) all adopt carbon fiber material.

3. The collision-resistant rotary-wing drone of claim 2, characterized in that: first guard plate (14) include arc guard plate (17), gag lever post (18), buffer spring (19) and baffle (20), the upper end activity of arc guard plate (17) sets up gag lever post (18) that place in the bottom and the inboard of unmanned aerial vehicle organism (1) and two sets of levels and is connected, the outer end of gag lever post (18) is connected with buffer spring (19), the end of buffer spring (19) is connected with baffle (20), second guard plate (15) are the same with first guard plate (14) structure.

4. The collision-resistant rotary-wing drone of claim 3, characterized in that: arc guard plate (17) are equipped with fixed block (21) with the junction of unmanned aerial vehicle organism (1), fixed block (21) inside seted up recess (22), recess (22) internalization is equipped with mobile jib (23), mobile jib (23) are connected with torque spring (24) with arc guard plate (17) fixed connection and both ends, the outer end of torque spring (24) is fixed on the inner wall of recess (22).

5. The collision-resistant rotary-wing drone of claim 2, characterized in that: the soft buffer ring (7) is integrally of an annular structure, the rubber pad (25) is filled in the soft buffer ring, a plurality of rubber layers are arranged in the rubber pad (25), and the rubber layers are of a wavy structure.

6. The collision-resistant rotary-wing drone of claim 2, characterized in that: the rigid protection ring (8) is of an annular tubular structure, the interior of the rigid protection ring is of a hollow structure, and a plurality of groups of through holes (26) are uniformly formed in the surface of the rigid protection ring (8).

7. The collision-resistant rotary-wing drone of claim 2, characterized in that: the support rod (10) comprises two sets of metal rods (27), be connected with between metal rods (27) tubular metal resonator (28), tubular metal resonator (28) are the triangle-shaped structure and distribute.

8. The collision-resistant rotary-wing drone of claim 2, characterized in that: the height adjusting rod (11) comprises a sleeve (29) and a drawing rod (30), the sleeve (29) is of a hollow structure, the drawing rod (30) is movably arranged in the sleeve (29), a screw hole is formed in one side of the upper end of the sleeve (29), and a limiting bolt (31) is movably arranged in the screw hole.

9. The crash-proof rotary-wing drone of claim 7, wherein: the second anti-collision ring (6) is located under the mounting seat (2) and is connected with the unmanned aerial vehicle body (1) through a supporting rod (10).