CN-224211252-U - Carbon fiber landing frame for vertical take-off and landing aircraft

CN224211252UCN 224211252 UCN224211252 UCN 224211252UCN-224211252-U

Abstract

The utility model discloses a carbon fiber landing frame for a vertical take-off and landing aircraft, which comprises a square frame, wherein two sides of the square frame are respectively bolted with a frame, the inside of the frame is provided with a threaded shaft, two ends of the threaded shaft are respectively connected with the frame in a rotating way through bearings, one end of the threaded shaft is fixedly sleeved with a first bevel gear, the back of the square frame is bolted with a driving motor, the device drives a bevel gear set and the threaded shaft to cooperatively act through forward and reverse rotation of the driving motor, folding and unfolding of a landing leg are realized, mobility of the landing leg is improved, the matching design of the threaded sleeve and a sliding rod enables the folding and unfolding process of the landing leg to be stable and reliable, the impact force of the aircraft during vertical landing is effectively absorbed by the arrangement of a damping shock absorber, landing buffering performance is greatly improved, impact damage to an aircraft structure is reduced, and the application of carbon fiber materials not only reduces the whole weight, but also enhances the strength and durability of the device, and is suitable for a flying environment with frequent take-off and landing.

Inventors

DOU YUJIE
DOU JINBO

Assignees

天晟空天(浙江)新材料科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250521

Claims (4)

1. A carbon fiber landing frame for vertical take-off and landing aircraft comprises a square frame (1), and is characterized in that two sides of the square frame (1) are respectively connected with a frame (2) in a bolt mode, a threaded shaft (3) is arranged in the frame (2), two ends of the threaded shaft (3) are respectively connected with the frame (2) in a rotating mode through bearings, one end of the threaded shaft (3) is fixedly sleeved with a first conical gear (4), the back of the square frame (1) is connected with a driving motor (5) in a bolt mode, the output end of the driving motor (5) is fixedly sleeved with a second conical gear (6), the surface of the first conical gear (4) is meshed with the second conical gear (6) through teeth, the surface of the threaded shaft (3) is connected with a threaded sleeve (7), the front face and the back of the threaded sleeve (7) are respectively connected with a sliding rod (8) in a fixed mode, the front face and the back of the frame (2) are respectively provided with a through groove (9) which is matched with the sliding rod (8), the surface of the sliding rod (8) is connected with the through grooves (9), the surface of the sliding rod (8) is fixedly sleeved with the sliding rod (10), and the other end of the supporting rod is connected with the supporting leg (10) in a sliding mode, and the damping device is connected with the inner portion of the supporting leg (11 through the sliding rod (11).
2. The carbon fiber landing frame for the vertical take-off and landing aircraft according to claim 1, wherein one end of the supporting leg (10) is fixedly connected with a sleeve (12), and a supporting rod (13) is sleeved inside the sleeve (12).
3. The carbon fiber landing frame for the vertical take-off and landing aircraft according to claim 2, wherein rubber sleeves (14) are sleeved at two ends of the supporting rod (13), and anti-skid patterns are formed on the surfaces of the rubber sleeves (14).
4. The carbon fiber landing frame for a vertical take-off and landing aircraft according to claim 1, wherein the top of the frame (2) is provided with a mounting mechanism (15), the mounting mechanism (15) comprises a mounting plate (151), the bottom of the mounting plate (151) is sleeved with a fixing bolt (152), one end of the fixing bolt (152) is in threaded connection with the frame (2), and the inside of the mounting plate (151) is sleeved with a mounting bolt (153).

Description

Carbon fiber landing frame for vertical take-off and landing aircraft Technical Field The utility model belongs to the technical field of vertical take-off and landing aircrafts, and particularly relates to a carbon fiber landing frame for a vertical take-off and landing aircrafts. Background The vertical take-off and landing aircraft has wide application prospect in the fields of unmanned aerial vehicles, urban air traffic and the like due to the flexible take-off and landing characteristic. At present, the chinese utility model of bulletin number CN207029527U discloses an unmanned aerial vehicle foot rest, has solved the inconvenient dismouting of unmanned aerial vehicle's foot rest and fuselage among the prior art technical problem, and this unmanned aerial vehicle foot rest is connected with unmanned aerial vehicle fuselage cartridge, unmanned aerial vehicle foot rest's cartridge link is provided with the elasticity fixed knob, elasticity fixed knob connects elastic support part, the elasticity fixed knob can be followed the radial extension of cartridge link, during unmanned aerial vehicle foot rest and unmanned aerial vehicle fuselage cartridge are connected elasticity fixed knob and unmanned aerial vehicle fuselage joint, and elasticity fixed knob and unmanned aerial vehicle fuselage joint can realize the equipment of unmanned aerial vehicle foot rest, presses the elasticity fixed knob disconnection joint and can realize the dismantlement of unmanned aerial vehicle foot rest, and direct manual pressing just can, so can conveniently, carry out the foot rest dismouting fast, can carry out the foot rest dismouting fast through having set up unmanned aerial vehicle foot rest, conveniently carries, maintains. However, the conventional landing frame of the vertical take-off and landing aircraft generally adopts a fixed structure, cannot be retracted during flight, affects the flight efficiency, can reduce maneuverability, has larger impact force during vertical landing, lacks an effective buffer structure, and is easy to cause damage to the structure of the aircraft body or vibration faults of equipment. Disclosure of utility model The utility model aims to provide a carbon fiber landing frame for a vertical take-off and landing aircraft, which aims to solve the problems that the conventional landing frame for the vertical take-off and landing aircraft usually adopts a fixed structure, cannot be retracted and released during flight and is lack of an effective buffer structure in the prior art. The technical aim of the utility model is achieved through the following technical scheme that the carbon fiber landing frame for the vertical take-off and landing aircraft comprises a square frame, wherein two sides of the square frame are respectively connected with a frame in a bolting mode, a threaded shaft is arranged in the frame, two ends of the threaded shaft are respectively connected with the frame in a rotating mode through bearings, one end of the threaded shaft is fixedly sleeved with a first conical gear, the back face of the square frame is connected with a driving motor in a bolting mode, the output end of the driving motor is fixedly sleeved with a second conical gear, the surface of the first conical gear is meshed with the second conical gear through teeth, the surface of the threaded shaft is in threaded connection with a threaded sleeve, the front face and the back face of the threaded sleeve are respectively fixedly connected with a sliding rod, the front face and the back face of the frame are respectively provided with a through groove matched with the sliding rod, the surface of the sliding rod is in sliding connection with the through grooves, the surface of the sliding rod is rotatably sleeved with a supporting leg, the inner portion of the supporting leg is rotatably connected with a damping shock absorber through a pin shaft, and the other end of the damping shock absorber is hinged with the frame. Preferably, one end of the supporting leg is fixedly connected with a sleeve, and a supporting rod is sleeved in the sleeve. Preferably, the two ends of the supporting rod are sleeved with rubber sleeves, and the surfaces of the rubber sleeves are provided with anti-skid patterns. Preferably, the top of frame is provided with installation mechanism, installation mechanism includes the mounting panel, the bottom cover of mounting panel is equipped with fixing bolt, fixing bolt's one end and frame threaded connection, the inside cover of mounting panel is equipped with the mounting bolt. In summary, the utility model has the following beneficial effects: The device drives the synergism of the conical gear set and the threaded shaft through the forward and reverse rotation of the driving motor, the folding and unfolding of the supporting legs are realized, the mobility of the elevator is realized, the folding and unfolding process of the supporting legs is stable and reliable due to the matching d