CN-121973943-A - Arresting hook system and flight device

CN121973943ACN 121973943 ACN121973943 ACN 121973943ACN-121973943-A

Abstract

The invention relates to the field of tail propeller configuration fixed wing flying devices, in particular to a blocking hook system and a flying device. The arresting hook system comprises an arresting hook arm assembly, a buffer assembly and a retraction assembly, wherein the arresting hook arm assembly comprises a mounting bracket, a swing arm and a hook head which are sequentially connected, the swing arm is connected with the mounting bracket in a rotating mode, the hook head is used for hooking an arresting rope, the buffer assembly is arranged opposite to the mounting bracket and comprises a mounting plate and a buffer piece arranged on the mounting plate, the buffer piece is contacted with the swing arm when the hook head swings up to a preset position in a contact mode, the retraction assembly comprises a driving assembly and a retraction cable, the driving assembly is arranged on the mounting bracket, one end of the retraction cable is connected with the driving assembly, the other end of the retraction cable is connected with the swing arm after being wound around a supporting device on the mounting plate, and the driving assembly can drive the retraction cable to drive retraction of the hook head. The structure realizes the purposes of quick upward swing of the hook head, impact buffering and protection of the retraction assembly.

Inventors

WANG ZHENXIN
SONG XIAOGANG
SONG WEICHAO

Assignees

西安羚控电子科技有限公司

Dates

Publication Date: 20260505
Application Date: 20260408

Claims (10)

1. A barrier hook system comprising: The arresting hook arm assembly comprises a mounting bracket, a swing arm and a hook head which are sequentially connected, wherein the swing arm is rotationally connected with the mounting bracket, and the hook head is used for hooking an arresting rope; the buffer component is arranged opposite to the mounting bracket and comprises a mounting plate and a buffer piece arranged on the mounting plate, and the buffer piece is contacted with the swing arm when the hook head swings up to a preset position in a touch manner; the winding and unwinding assembly comprises a driving assembly and a winding and unwinding cable, the driving assembly is arranged on the mounting bracket, one end of the winding and unwinding cable is connected with the driving assembly, the other end of the winding and unwinding cable winds the supporting device on the mounting plate and then is connected with the swinging arm, and the driving assembly can drive the winding and unwinding cable to drive the winding and unwinding of the hook head.
2. The barrier hook system of claim 1, wherein the support means is provided on a side facing away from the bumper.
3. The barrier hook system of claim 1, wherein the barrier hook arm assembly further comprises an elastic member having one end connected to the mounting bracket and the other end detachably connected to the swing arm, the elastic member being in an elastically stretched state.
4. The arresting hook system of claim 1 further including an impact seat provided on a side of the swing arm facing away from the hook head or at a bumper end, the swing arm being capable of contacting the bumper through the impact seat.
5. The system of claim 4, wherein the bumper includes an upper bumper barrel and a lower bumper barrel interconnected, the upper bumper barrel being disposed on the mounting plate, the lower bumper barrel being adapted to contact the strike seat and move to a bumper stop position when in a bumper start position.
6. The arresting hook system of claim 4 wherein the impingement seat is an arcuate structure and an opening of the arcuate structure is directed toward the bumper.
7. The arresting hook system of claim 1 wherein the drive assembly includes a drive motor, a decelerator coupled to a drive shaft of the drive motor, and a cable winch disposed on a rotating shaft of the decelerator, one end of the retractable cable being wound around the cable winch.
8. The barrier hook system of any one of claims 1 to 7, further comprising a stop assembly; The limiting assembly comprises an upper limiting switch, a lower limiting switch and a sliding block, the upper limiting switch is arranged at one end of the cable winding and unwinding rope, which is close to the mounting bracket, the lower limiting switch is arranged at one end of the cable winding and unwinding rope, which is close to the mounting plate, and the sliding block is arranged on the cable winding and unwinding rope and is positioned between the upper limiting switch and the lower limiting switch; When the swing arm swings downwards for a first preset time and/or the sliding block moves to the lower limit switch and triggers the lower limit switch to work, the retraction assembly stops working, and the hook head is positioned at a first position; When the sliding block moves to the upper limit switch and triggers the upper limit switch to work, and/or after the hook head is positioned at the fourth position, the retraction assembly stops working, so that the hook head is stabilized at the fourth position.
9. A grappling hook system according to claim 3, wherein a mounting block is provided on a side of the swing arm adjacent the resilient member, the mounting block having a plurality of mounting apertures formed therein, one end of the resilient member being detachably connected to any one of the mounting apertures.
10. A flying device comprising a fuselage and a barrier hook system as claimed in any one of claims 1 to 9, the mounting brackets and the mounting plate being provided on the belly of the fuselage.

Description

Arresting hook system and flight device Technical Field The invention relates to the field of tail propeller configuration fixed wing flying devices, in particular to a blocking hook system and a flying device. Background The flight device is limited by geographical conditions and site scale, and the length of a part of runway is far lower than the conventional take-off and landing standard when the flight device falls, for example, the runway length of a front simple airport is generally less than 200 meters, the landing and running distance of a conventional medium-large-sized flight device is generally more than 500 meters, and the conventional braking system cannot meet the short-distance stability requirement, so that auxiliary deceleration of the blocking system is required. At present, a arresting hook system of a fixed wing flying device with a tail propeller configuration mainly adopts a rigid connection receiving and releasing emergency arresting hook system, a core structure retraction actuator is a mechanical retraction connecting rod, and a hook head is rigidly connected with the mechanical retraction connecting rod. The intrinsic defects are obvious, firstly, the response speed of the retraction actuator is low, a hydraulic buffer structure is not configured, impact load in the moment of touching the hook head and in the process of blocking and decelerating is directly transmitted to the retraction actuator and the machine body, and the retraction system is easy to damage and the tail structure of the machine body is easy to crack. In conclusion, the existing arresting hook technology cannot simultaneously realize the comprehensive requirements of rapid upward swinging of the hook head, impact buffering and protection of a retraction system of the tail propeller configuration fixed wing flying device, so that the short-distance safe landing requirement of the flying device on a limited field is difficult to meet, and the deployment and the use of the tail propeller configuration flying device are restricted. Disclosure of Invention The embodiment of the invention provides a arresting hook system and a flying device, which are used for solving the problems that the conventional arresting hook technology cannot simultaneously realize the comprehensive requirements of rapid swinging up of a hook head, impact buffering and protection of a retraction system of a tail propeller configuration fixed wing flying device, the short-distance safe landing requirement of the flying device on a limited field is difficult to meet, and the deployment and the use of the tail propeller configuration flying device are restricted. The invention discloses a arresting hook system which comprises an arresting hook arm assembly, a buffer assembly and a retraction assembly, wherein the arresting hook arm assembly comprises a mounting bracket, a swing arm and a hook head which are sequentially connected, the swing arm is rotationally connected with the mounting bracket, the hook head is used for hooking an arresting rope, the buffer assembly is arranged opposite to the mounting bracket and comprises a mounting plate and a buffer piece arranged on the mounting plate, the buffer piece is contacted with the swing arm when the hook head swings up to a preset position in a contact manner, the retraction assembly comprises a driving assembly and a retraction cable, the driving assembly is arranged on the mounting bracket, one end of the retraction cable is connected with the driving assembly, the other end of the retraction cable is connected with the swing arm after passing through a supporting device on the mounting plate in a winding manner, and the driving assembly can drive the retraction cable to drive retraction of the hook head. Optionally, the support device is arranged on a side facing away from the buffer. Optionally, the arresting hook arm assembly further comprises an elastic piece, one end of the elastic piece is connected with the mounting bracket, the other end of the elastic piece is detachably connected with the swing arm, and the elastic piece is in an elastic stretching state. Optionally, the swing arm further comprises an impact seat, wherein the impact seat is arranged on one side of the swing arm facing away from the hook head or is arranged at the tail end of the buffer piece, and the swing arm can be contacted with the buffer piece through the impact seat. Optionally, the buffer piece includes the upper buffer barrel and the lower buffer barrel of interconnect, the upper buffer barrel is located on the mounting panel, the lower buffer barrel is located when buffering the initial position, can with strike seat contact to move to the buffering termination position. Optionally, the impact seat is an arc structure, and an opening of the arc structure faces the buffer member. Optionally, the drive assembly includes driving motor, reduction gear and cable winch, the reduction gear with driving motor's drive