CN212829047U - Rotor unmanned aerial vehicle's screw base and rotor unmanned aerial vehicle - Google Patents
Rotor unmanned aerial vehicle's screw base and rotor unmanned aerial vehicle Download PDFInfo
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- CN212829047U CN212829047U CN202020751884.5U CN202020751884U CN212829047U CN 212829047 U CN212829047 U CN 212829047U CN 202020751884 U CN202020751884 U CN 202020751884U CN 212829047 U CN212829047 U CN 212829047U
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- 239000000872 buffer Substances 0.000 claims abstract description 35
- 230000001154 acute effect Effects 0.000 claims description 4
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- 230000008859 change Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000007853 buffer solution Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a propeller base of a rotor unmanned aerial vehicle, which comprises a base and a swing buffer seat arranged on the base, wherein the base is connected with a main shaft of a rotating motor of the rotor unmanned aerial vehicle; unmanned aerial vehicle's screw sets up on the swing cushion seat, swing cushion seat swing joint just the swing cushion seat can be relative on the base swing motion is made to the base, the plane at place when the swing axis of swing cushion seat and unmanned aerial vehicle's screw rotate is parallel, the rotation axis of swing cushion seat with the rotation axis coincidence of base, the swing axis of swing cushion seat with the rotation axis is crossing. The utility model discloses can reduce the vibration and the burden of screw when unmanned aerial vehicle deflects to reduce impact and the wearing and tearing to the screw when unmanned aerial vehicle deflects, stability and extension screw life-span when being favorable to improving unmanned aerial vehicle and deflecting.
Description
Technical Field
The utility model relates to a rotor unmanned aerial vehicle, concretely relates to rotor unmanned aerial vehicle's screw base.
Background
Along with the progress of science and technology, unmanned aerial vehicle's application is more and more extensive, including unmanned aerial vehicle inspection of patrolling a line, aviation pesticide spraying operation and taking photo by plane etc.. Because rotor unmanned aerial vehicle is convenient for control, take off and stop the landing convenience, consequently rotor unmanned aerial vehicle popularity is higher. The rotor wing unmanned aerial vehicle drives a rotor wing to rotate through a motor, so that lifting thrust is generated, and lifting and flying of the unmanned aerial vehicle are realized; however, at rotor unmanned aerial vehicle flight in-process, unmanned aerial vehicle often need carry on by a wide margin turn to or take place to deflect in the twinkling of an eye in the air is flowed indiscriminately, can cause certain impact and wearing and tearing to unmanned aerial vehicle's screw this moment, can increase the burden of screw when turning to action by a wide margin, reduce the life of rotor unmanned aerial vehicle screw.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of prior art, provide a rotor unmanned aerial vehicle's screw base, this base can reduce the vibration and the burden of screw when unmanned aerial vehicle deflects to reduce impact and the wearing and tearing to the screw when unmanned aerial vehicle deflects, be favorable to improving the stability and the extension screw life-span when unmanned aerial vehicle deflects.
Another object of the utility model is to provide a rotor unmanned aerial vehicle.
The purpose of the utility model is realized through the following technical scheme:
a propeller base of a rotor wing unmanned aerial vehicle is characterized by comprising a base and a swing buffer seat arranged on the base, wherein the base is connected with a main shaft of a rotating motor of the rotor wing unmanned aerial vehicle; wherein, unmanned aerial vehicle's screw sets up on the swing buffer seat, swing buffer seat swing joint just the swing buffer seat can be relative on the base swing motion is made to the base, the plane at place when the swing axis of swing buffer seat and unmanned aerial vehicle's screw rotate is parallel, the axis of rotation of swing buffer seat with the axis of rotation coincidence of base, the swing axis of swing buffer seat with the axis of rotation is crossing.
The operating principle of the propeller base of the rotor unmanned aerial vehicle is as follows:
when the unmanned aerial vehicle encounters air turbulence or active control instant deflection in the flying process, the body of the unmanned aerial vehicle inclines in a short time, and the base is connected with the main shaft of the rotating motor of the unmanned aerial vehicle, so that the base can also generate abrupt change of the posture along with the body of the unmanned aerial vehicle; at the moment, the swing buffer seat is movably connected with the base, and the swing axis of the swing buffer seat is parallel to the plane of the propeller during rotation, so that after the base changes suddenly along with the unmanned aerial vehicle body, the swing buffer seat swings relative to the base, and the propeller on the swing buffer seat still keeps a horizontal posture (consistent with the posture of the unmanned aerial vehicle body before deflection), so that the propeller of the unmanned aerial vehicle does not change suddenly along with the posture of the unmanned aerial vehicle body, and the abrasion and impact on the propeller are reduced; then, because unmanned aerial vehicle's rotation motor drives the base continuously and rotates, consequently set up the screw on the swing cushion seat and keep rotating, under the effect of centrifugal force, swing cushion seat and screw round swing axis swings, is parallel with the unmanned aerial vehicle fuselage gradually, finally accomplishes whole self accommodation process, realizes the gesture buffer change of screw.
The utility model discloses a preferred scheme, contained angle between swing axis and screw length direction's the axis is the acute angle. Thereby can be convenient for the screw swing to realize the buffering, be favorable to alleviateing impact and the burden to the screw, effectively protect the screw.
Preferably, the angle between the swing axis and the propeller axis is 45 degrees.
According to a preferred scheme of the utility model, the base comprises a bottom plate and a connecting piece, the connecting piece is arranged on the bottom plate, the bottom plate is connected with a main shaft of a rotating motor of the unmanned aerial vehicle, the connecting piece is vertically arranged, and the connecting piece is provided with a connecting through hole; the swing buffer seat is provided with a connecting bearing, and the connecting bearing and the connecting piece are installed together through a rotating shaft.
Preferably, the connecting piece comprises two oppositely arranged connecting plates, and the two connecting plates are provided with the connecting through holes.
Preferably, a bearing mounting seat is arranged on the swing buffer seat, and the connecting bearing is mounted on the bearing mounting seat.
The utility model discloses an optimal scheme, be equipped with two screws on the swing cushion socket, these two screws set up the both sides at the swing cushion socket respectively.
The utility model discloses an optimal scheme, swing cushion socket includes punch holder and lower plate, the both ends of punch holder and lower plate are all fixed through the spliced pole, just the bearing mount pad sets up the centre department at punch holder and lower plate, the bottom of lower plate is equipped with and is used for dodging the hole of dodging of connecting piece, two screw difference fixed connection are on the spliced pole at punch holder and lower plate both ends.
A rotary-wing drone, characterized in that, includes the propeller base.
Compared with the prior art, the utility model following beneficial effect has:
1. the utility model discloses a setting of swing buffing pad for the screw can delay the screw along with the deflection of unmanned aerial vehicle fuselage when unmanned aerial vehicle operation and air turbulence or initiative deflect by a wide margin, makes the screw take place the swing of small margin for the unmanned aerial vehicle fuselage, thereby keeps the gesture unchangeable when unmanned aerial vehicle deflects by a wide margin, effectively reduces the wearing and tearing and the burden of unmanned aerial vehicle gesture sudden change or the change by a wide margin to the screw, is favorable to prolonging the life of screw.
2. The swing buffer seat and the base are movably connected, so that the propeller and the unmanned aerial vehicle are connected in a non-rigid manner; and after unmanned aerial vehicle deflected, utilize the effect of centrifugal force, let screw and swing cushion socket parallel with the unmanned aerial vehicle fuselage gradually, make the swing of screw obtain fine buffering, avoid the gesture transient change of screw, be favorable to protecting the screw.
3. After unmanned aerial vehicle deflected, screw and swing cushion socket relied on centrifugal force to realize self balance, need not to utilize other peripheral hardware mechanisms, simple structure to realize the holistic self adjustment of unmanned aerial vehicle, be favorable to reducing the vibrations of screw when the swing, thereby improve unmanned aerial vehicle flight stability.
4. For traditional screw base, the utility model discloses a base includes base and swing cushion socket to set up the screw on the swing cushion socket, increased the distance between screw plane and the motor, thereby reduce the motor upper surface and produce the influence that blocks of downdraft to the screw, improve flight efficiency.
Drawings
Fig. 1-2 are schematic structural diagrams (installed propeller) of one embodiment of the propeller base of the unmanned rotorcraft, where fig. 1 is a front view and fig. 2 is a perspective view.
Figure 3 is the utility model discloses a rotor unmanned aerial vehicle's enlargements of screw base.
Fig. 4 is a perspective view of the base.
Fig. 5-6 are schematic views of the utility model discloses a rotor unmanned aerial vehicle's screw base when taking place the swing, wherein, fig. 5 is the swing left, and fig. 6 is the swing right.
Fig. 7-9 are the utility model discloses a screw gesture schematic diagram during rotor unmanned aerial vehicle flight, wherein, fig. 7 is the schematic diagram when unmanned aerial vehicle fuselage is parallel with the screw and is in the level during normal flight, fig. 8 is the schematic diagram when unmanned aerial vehicle fuselage slopes and the screw level, fig. 9 is the schematic diagram that the screw sent out when parallel with the fuselage.
Detailed Description
The present invention will be further described with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.
Referring to fig. 1 to 6, the propeller base of the unmanned rotorcraft according to the present embodiment includes a base and a swing buffer seat disposed on the base, and the base is connected to a main shaft of a rotating motor of the unmanned rotorcraft; the propeller 2 of the unmanned aerial vehicle is arranged on the swing buffer seat, the swing buffer seat is movably connected to the base and can swing relative to the base, a swing axis 13 of the swing buffer seat is parallel to a plane where the propeller of the unmanned aerial vehicle rotates, a rotation axis 12 of the swing buffer seat is overlapped with a rotation axis 12 of the base, and the swing axis 13 of the swing buffer seat is intersected with the rotation axis 12; the angle between the swing axis 13 and the axis of the propeller 2 in the length direction is an acute angle.
Referring to fig. 1, in the present embodiment, the angle between the swing axis 13 and the axis of the propeller 2 is 45 degrees. When the included angle between the swing axis 13 and the axis of the propeller 2 is 45 degrees, the buffering performance and the safety performance are in the optimal range, and the protection effect on the propeller 2 is effectively improved. When the included angle is larger than 45 degrees, the swing amplitude of the propeller 2 is too large, and the safety performance of the propeller is reduced; when the included angle is smaller than 45 degrees, the swing amplitude of the propeller 2 is too small, and the buffering performance is low.
Referring to fig. 1-6, the base includes a bottom plate 3 and a connecting member 4, the connecting member 4 is disposed on the bottom plate 3, the bottom plate 3 is connected to a main shaft of a rotating motor of the unmanned aerial vehicle, the connecting member 4 is vertically disposed, and a connecting through hole 11 is disposed on the connecting member 4; the swing buffer seat is provided with a connecting bearing 6, and the connecting bearing 6 and the connecting piece 4 are installed together through a rotating shaft 7. Through the setting of connecting piece 4 and connection bearing 6, realize the swing of swing cushion socket to simple structure, connection bearing 6 be provided with do benefit to the stability that improves the swing cushion socket.
Referring to fig. 4, the connecting member 4 includes two oppositely disposed connecting plates 10, and the two connecting plates 10 are provided with the connecting through holes 11.
Referring to fig. 1-2, a bearing mounting seat 9 is provided on the swing buffer seat, and the connecting bearing 6 is mounted on the bearing mounting seat 9. The installation and fixation of the connecting bearing 6 are facilitated by the arrangement of the bearing installation seat 9. In addition, a bolt can be arranged on the swing buffer seat to realize the swing motion of the swing buffer seat, wherein the bolt passes through the connecting through hole on the connecting plate; the connection mode is simpler, the transformation is convenient, and the cost is reduced.
Referring to fig. 1-2, two propellers 2 are arranged on the swing buffer base, and the two propellers 2 are respectively arranged on two sides of the swing buffer base. Two propellers 2 are adopted, so that the installation of the swing buffer base is facilitated.
Referring to fig. 1, fig. 2, fig. 3, fig. 5 and fig. 6, the swing cushion block includes punch holder 1 and lower plate 5, the both ends of punch holder 1 and lower plate 5 are all fixed through spliced pole 8, just bearing mount pad 9 sets up the centre department at punch holder 1 and lower plate 5, the bottom of lower plate 5 is equipped with and is used for dodging connecting piece 4 dodges the hole, two screw 2 respectively fixed connection are on the spliced pole 8 at punch holder 1 and lower plate 5 both ends. By providing such a swing cushion seat, the structure is simple, and it is convenient to mount the propeller 2 and the bearing mount 9.
The unmanned rotorcraft of this embodiment includes the screw base.
Referring to fig. 1-9, the working principle of the propeller base of the unmanned rotorcraft of the present embodiment is:
unmanned aerial vehicle is when normal flight process, and screw 2 keeps parallel with the unmanned aerial vehicle fuselage, and the unmanned aerial vehicle fuselage and screw 2 at this moment all are in horizontal attitude, as shown in fig. 7. When the unmanned aerial vehicle encounters air turbulence or instant deflection or large-amplitude deflection of active control, the body of the unmanned aerial vehicle inclines in a short time, and the base is connected with a main shaft of a rotating motor of the unmanned aerial vehicle, so that the base can also change the posture suddenly along with the body of the unmanned aerial vehicle; at this moment, because the swing cushion seat rotates with the base to be connected, and the contained angle of the swing axis 13 of swing cushion seat and the axis of screw 2 is acute angle (45 degrees), consequently the base is along with unmanned aerial vehicle fuselage sudden change back, swing motion takes place for the base for the swing cushion seat, screw 2 on the swing cushion seat still keeps the horizontal attitude (unanimous with the fuselage attitude before unmanned aerial vehicle deflects), thereby avoid unmanned aerial vehicle's screw 2 to take place the attitude sudden change along with the unmanned aerial vehicle fuselage, reduce wearing and tearing and impact to screw 2, as shown in fig. 8. Then, because unmanned aerial vehicle's rotation motor drives the base continuously and rotates, consequently set up screw 2 on the swing cushion seat and keep rotating, under the effect of centrifugal force, swing cushion seat and screw 2 round swing axis 13 swings, is parallel with the unmanned aerial vehicle fuselage gradually, finally accomplishes whole self accommodation process, realizes screw 2's gesture buffer change, as shown in fig. 9.
The above is the preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (9)
1. A propeller base of a rotor wing unmanned aerial vehicle is characterized by comprising a base and a swing buffer seat arranged on the base, wherein the base is connected with a main shaft of a rotating motor of the rotor wing unmanned aerial vehicle; wherein, unmanned aerial vehicle's screw sets up on the swing buffer seat, swing buffer seat swing joint just the swing buffer seat can be relative on the base swing motion is made to the base, the plane at place when the swing axis of swing buffer seat and unmanned aerial vehicle's screw rotate is parallel, the axis of rotation of swing buffer seat with the axis of rotation coincidence of base, the swing axis of swing buffer seat with the axis of rotation is crossing.
2. The rotor base of a rotary-wing drone of claim 1, wherein the angle between the oscillation axis and the axis of the propeller length direction is acute.
3. The rotary-wing drone propeller base of claim 2, wherein the swing axis is at a 45 degree angle to the propeller axis.
4. The propeller base of a rotary-wing unmanned aerial vehicle according to any one of claims 1 to 3, wherein the base comprises a bottom plate and a connecting piece, the connecting piece is arranged on the bottom plate, the bottom plate is connected with a main shaft of a rotating motor of the unmanned aerial vehicle, the connecting piece is vertically arranged, and a connecting through hole is arranged on the connecting piece; the swing buffer seat is provided with a connecting bearing, and the connecting bearing and the connecting piece are installed together through a rotating shaft.
5. The rotor base of a rotary-wing drone of claim 4, wherein the connection piece includes two oppositely disposed connection plates, and the connection through-holes are provided on both of the two connection plates.
6. The rotor base of a rotary-wing drone of claim 5, wherein the swing snubber mount has a bearing mount on which the connection bearing is mounted.
7. The rotor base of a rotary-wing drone of claim 6, wherein the oscillation dampening base is provided with two propellers, one on each side of the oscillation dampening base.
8. The rotor unmanned aerial vehicle's screw base of claim 7, wherein the swing buffing pad includes an upper splint and a lower splint, both ends of the upper splint and the lower splint are fixed through the spliced pole, and the bearing mount pad is provided at the middle of the upper splint and the lower splint, the bottom of the lower splint is provided with an avoidance hole for avoiding the connecting piece, and the two screws are respectively fixedly connected on the spliced pole at both ends of the upper splint and the lower splint.
9. A rotorcraft, comprising the propeller base of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020751884.5U CN212829047U (en) | 2020-05-08 | 2020-05-08 | Rotor unmanned aerial vehicle's screw base and rotor unmanned aerial vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020751884.5U CN212829047U (en) | 2020-05-08 | 2020-05-08 | Rotor unmanned aerial vehicle's screw base and rotor unmanned aerial vehicle |
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| CN212829047U true CN212829047U (en) | 2021-03-30 |
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| CN202020751884.5U Active CN212829047U (en) | 2020-05-08 | 2020-05-08 | Rotor unmanned aerial vehicle's screw base and rotor unmanned aerial vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111605701A (en) * | 2020-05-08 | 2020-09-01 | 山东新坐标智能装备有限公司 | Rotor unmanned aerial vehicle's screw base and rotor unmanned aerial vehicle |
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2020
- 2020-05-08 CN CN202020751884.5U patent/CN212829047U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111605701A (en) * | 2020-05-08 | 2020-09-01 | 山东新坐标智能装备有限公司 | Rotor unmanned aerial vehicle's screw base and rotor unmanned aerial vehicle |
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Address after: Building 43, Zone A, Energy Conservation and Environmental Protection Innovation Park, No. 199, Hongwu Avenue, Tangqiao Town, Zhangjiagang City, Suzhou City, Jiangsu Province, 215600 Patentee after: Suzhou New Coordinates Intelligent Equipment Co.,Ltd. Country or region after: China Address before: 255000 MEMS Industrial Park, 158 Zhongrun Avenue, high tech Zone, Zibo City, Shandong Province Patentee before: Shandong new coordinate Intelligent Equipment Co.,Ltd. Country or region before: China |