CN-121990210-A - Unmanned aerial vehicle arresting gear

CN121990210ACN 121990210 ACN121990210 ACN 121990210ACN-121990210-A

Abstract

The application discloses an unmanned aerial vehicle arresting device which comprises a first mounting seat, a second mounting seat, a buffer stop mechanism, a telescopic driving mechanism and an arresting mechanism, wherein the first mounting seat is connected to the front side of a fuselage of an unmanned aerial vehicle, the second mounting seat is connected to the rear side of the fuselage, the buffer stop mechanism comprises a connecting piece and a damping structure, one end of the connecting piece is hinged to the second mounting seat, two ends of the telescopic driving mechanism are respectively hinged to the middle part of the connecting piece and the first mounting seat, one end of the arresting mechanism is hinged to the first mounting seat, the middle part of the telescopic driving mechanism is hinged to the damping structure, and the damping structure can apply pressing force to the arresting mechanism on the ground before the arresting mechanism hangs a net and can shrink after the arresting mechanism hangs the net so as to absorb vibration suffered by the arresting mechanism during net hanging. According to the unmanned aerial vehicle arresting device, the height of the arresting mechanism in net hanging can be always controlled below the rotating end face of the rear propeller, so that the unmanned aerial vehicle arresting device can be applied to unmanned aerial vehicles with the rear propeller.

Inventors

SUN YUFEI
PENG BIHUI
WANG YI
SUN MU

Assignees

浙江纵横云飞无人机科技有限公司

Dates

Publication Date: 20260508
Application Date: 20260209

Claims (10)

1. Unmanned aerial vehicle arresting gear, characterized in that includes: the first mounting seat is connected to the front side of the unmanned aerial vehicle body; The second installation seat is arranged at intervals from the first installation seat and is connected to the rear side of the machine body; The buffer stop mechanism comprises a connecting piece and a damping structure which are connected in a hinged manner, and one end of the connecting piece is connected with the second mounting seat in a hinged manner; The two ends of the telescopic driving mechanism are respectively hinged with the middle part of the connecting piece and the first mounting seat; One end of the blocking mechanism is hinged to the first mounting seat, and the middle part of the blocking mechanism is hinged to the damping structure; the damping structure can apply pressing force to the ground to the arresting mechanism before the arresting mechanism is hung on the net, and can shrink after the arresting mechanism is hung on the net, so that vibration suffered by the arresting mechanism during net hanging can be absorbed.
2. The unmanned aerial vehicle arresting device of claim 1, wherein the arresting mechanism comprises a transfer arm, an arresting bar and an arresting hook arranged on the arresting bar, the transfer arm is provided with a first end and a second end which are opposite, the first end and the middle area of the transfer arm are respectively hinged with the first mounting seat and the damping structure, and one end, far away from the arresting hook, of the arresting bar is hinged with the second end so as to swing along the left-right direction relative to the transfer arm.
3. The unmanned aerial vehicle arresting device according to claim 2, wherein the arresting mechanism further comprises a centering structure, the centering structure is connected to the second end and is rotatably arranged with the arresting bar, and the arresting bar is used for applying elastic force to the arresting bar when the arresting bar is swung in the left-right direction by an external force, so that the arresting bar is driven to reset by the elastic force of the centering structure when the external force disappears.
4. The unmanned aerial vehicle arresting device according to claim 3, wherein, The centering structure comprises a mounting frame, a cam, a first elastic piece and a guide shaft; the mounting frame is mounted on the switching arm and is used for enabling the arresting bar to rotate, one end, facing the arresting bar, of the mounting frame is provided with a wave-shaped guide surface, and the wave-shaped guide surface is provided with wave crests and wave troughs; the cam is connected to one end of the guide shaft, and is arranged in a sliding manner with the wave-shaped guide surface and used for moving from the trough position to the crest direction of two sides; the guide shaft is arranged in a sliding manner relative to the blocking rod; The two ends of the first elastic piece respectively act on the guide shaft and the blocking rod and are used for applying elastic force to the guide shaft.
5. The unmanned aerial vehicle arresting device according to claim 4, wherein an installation cavity is formed in the arresting rod, the centering structure further comprises a guide sleeve, the guide sleeve is connected to the arresting rod and at least partially arranged in the installation cavity, the guide sleeve is provided with a containing cavity, the first elastic piece is arranged in the containing cavity, two ends of the first elastic piece respectively act on the guide shaft and the guide sleeve, and the guide shaft is slidably arranged in the containing cavity.
6. The unmanned aerial vehicle arresting device according to claim 5, wherein the guide shaft penetrates through one end of the guide sleeve, which is far away from the transfer arm, a limiting hole is formed in the guide sleeve, the guide shaft is slidably arranged in the limiting hole, and the cross section of the guide shaft in the length direction and the axial cross section of the limiting hole are non-circular surfaces.
7. The unmanned aerial vehicle arresting device of any of claims 2-6, wherein the arresting mechanism further comprises a limiting structure connected to the transfer arm for limiting the angle of swing of the arresting bar in the left-right direction.
8. The unmanned aerial vehicle arresting device of any of claims 2-6, wherein the transfer arm comprises two separate arms disposed at an acute angle and a cross arm connected between the two arms, the cross arm being hingedly connected to the bump stop mechanism.
9. The unmanned aerial vehicle arresting device of any of claims 1 to 6, wherein, The hinge point of the telescopic driving mechanism and the first mounting seat deviates from the center of the first mounting seat, and the hinge point of the telescopic driving mechanism and the connecting piece is positioned at the side of the connecting piece.
10. The unmanned aerial vehicle arresting device according to any one of claims 1-6, wherein the first mounting seat comprises a first seat body, a first connecting lug and a third connecting lug, wherein the first connecting lug is arranged on the first seat body in a rotating mode, one end of the telescopic driving mechanism is provided with the first connecting lug, the arresting mechanism is provided with the third connecting lug in a rotating mode, and the cross section of the first seat body in the length direction is in a shape of a Chinese character 'hui'.

Description

Unmanned aerial vehicle arresting gear Technical Field The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to an unmanned aerial vehicle arresting device. Background Unmanned aerial vehicle arresting landing is a mode for unmanned aerial vehicle recovery, generally through arresting mechanism net hanging in order to realize. The arresting mechanism is usually arranged at the lower part of the machine body, the machine body is retracted when the unmanned aerial vehicle flies, and the unmanned aerial vehicle is landed down. But because the connecting point of the arresting bar of the arresting mechanism is connected inside the machine body, the net hanging position of the arresting hook arranged at the tail part of the arresting bar is higher, and the unmanned aerial vehicle is difficult to adapt to the requirements of a rear-mounted propeller. Disclosure of Invention The invention aims to disclose an unmanned aerial vehicle arresting device, which aims to solve the technical problem that an unmanned aerial vehicle with a rear propeller is difficult to adapt due to the fact that the net hanging position of an arresting hook at the tail part of an arresting rod in the prior art is high. In order to achieve the above object, the present invention discloses an unmanned aerial vehicle arresting device, comprising: the first mounting seat is connected to the front side of the unmanned aerial vehicle body; The second installation seat is arranged at intervals from the first installation seat and is connected to the rear side of the machine body; The buffer stop mechanism comprises a connecting piece and a damping structure which are connected in a hinged manner, and one end of the connecting piece is connected with the second mounting seat in a hinged manner; The two ends of the telescopic driving mechanism are respectively hinged with the middle part of the connecting piece and the first mounting seat; One end of the blocking mechanism is hinged to the first mounting seat, and the middle part of the blocking mechanism is hinged to the damping structure; the damping structure can apply pressing force to the ground to the arresting mechanism before the arresting mechanism is hung on the net, and can shrink after the arresting mechanism is hung on the net, so that vibration suffered by the arresting mechanism during net hanging can be absorbed. As an alternative embodiment, the arresting mechanism includes a transfer arm, an arresting rod and an arresting hook disposed on the arresting rod, the transfer arm has a first end and a second end which are opposite, the first end and the middle area of the transfer arm are respectively hinged with the first mounting seat and the damping structure, and one end, far away from the arresting hook, of the arresting rod is hinged with the second end, so as to swing along the left and right directions relative to the transfer arm. As an optional implementation manner, the arresting mechanism further comprises a centering structure, the centering structure is connected to the second end and is rotatably arranged with the arresting bar, and the arresting bar is used for applying elastic force to the arresting bar when the arresting hook net and the arresting bar are swung along the left-right direction due to external force, so that when the external force disappears, the arresting bar is driven by the elastic force of the centering structure to reset. As an alternative embodiment, the centering structure includes a mounting frame, a cam, a first elastic member, and a guide shaft; the mounting frame is mounted on the switching arm and is used for enabling the arresting bar to rotate, one end, facing the arresting bar, of the mounting frame is provided with a wave-shaped guide surface, and the wave-shaped guide surface is provided with wave crests and wave troughs; the cam is connected to one end of the guide shaft, and is arranged in a sliding manner with the wave-shaped guide surface and used for moving from the trough position to the crest direction of two sides; the guide shaft is arranged in a sliding manner relative to the blocking rod; The two ends of the first elastic piece respectively act on the guide shaft and the blocking rod and are used for applying elastic force to the guide shaft. As an optional implementation mode, be equipped with the installation cavity in the arresting bar, the structure still includes the uide bushing in returning to the middle, the uide bushing connect in the arresting bar, and at least part locate in the installation cavity, just the uide bushing is equipped with accommodates the chamber, first elastic component is located accept the intracavity, both ends are acted on respectively the guiding axle the uide bushing, the guiding axle slip set up in accept the intracavity. As an optional implementation mode, the guide shaft penetrates through one end, far away from the switching arm, of the guide sle