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Shaft end connecting piece suitable for multi-rotor long wheelbase aircraft

A long-wheelbase, aircraft technology, applied in the field of aircraft, can solve the problems of difficult automatic connection, multi-rotor aircraft transmission shaft folding, low stretching efficiency, poor connection stability, etc., to facilitate transportation, improve stability, and improve tensioning effect Effect

Inactive Publication Date: 2017-09-08
成都鑫晨航空科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The shaft end connecting piece realizes the connection between the folding fixing frame and the folding fixing connecting piece through a round hole, but the connection stability of this connection method is poor, and it is difficult to realize the connection between the folding fixing frame and the folding fixing connecting piece. The automatic connection of the multi-rotor aircraft leads to low folding and stretching efficiency of the transmission shaft of the multi-rotor aircraft

Method used

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  • Shaft end connecting piece suitable for multi-rotor long wheelbase aircraft
  • Shaft end connecting piece suitable for multi-rotor long wheelbase aircraft
  • Shaft end connecting piece suitable for multi-rotor long wheelbase aircraft

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A shaft end connector suitable for a multi-rotor long-wheelbase aircraft, a fixed frame 21, a rotating frame 22 hinged to the fixed frame 21, and an inner support assembly that is movably arranged in the fixed frame 21 and used to tighten the rotating frame 22, The fixed frame 21 is provided with a fixed chamber 24 through which the inner support assembly can pass, and the rotating frame 22 is provided with a tightening chamber 23 , and the surface of the rotating frame 22 is provided with a surplus groove 25 .

Embodiment 2

[0037] On the basis of the first embodiment, the inner support assembly includes a slider 37 sleeved on the transmission assembly and threadedly connected with the transmission assembly, and a support sleeve 38 is sleeved on the tapered surface of the slider 37 .

Embodiment 3

[0039] On the basis of the second embodiment, a sleeve body 36 is also included, the outer edge of the sleeve body 36 wraps the flange 383 at the large diameter end of the support sleeve 38 inside, and the inner diameter of the side edge 361 of the sleeve body 36 smaller than the outer diameter of the flange 383 .

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PUM

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Abstract

Belonging to the technical field of aircrafts, the invention discloses a shaft end connecting piece suitable for a multi-rotor long wheelbase aircraft. The invention aims to provide a shaft end connecting piece that is suitable for a multi-rotor long wheelbase aircraft and has high stability when a transmission shaft extends. The shaft end connecting piece comprises a fixed frame, a rotating frame hinged to the fixed frame, and an internal support component that is movably arranged in the fixed frame to support the rotating frame tightly. The fixed frame is internally equipped with a fixed chamber for the internal support component to pass through, the rotating frame is internally provided with a tight support chamber, and the surface of the rotating frame is equipped with an allowance slot. The shaft end connecting piece provided by the invention is applicable to a multi-rotor aircraft.

Description

technical field [0001] The invention belongs to the technical field of aircraft, and relates to a multi-rotor aircraft, in particular to a shaft end connector of the aircraft. Background technique [0002] In recent years, multi-rotor aircraft has broad application prospects in military and civilian fields due to its low cost, high cost-effectiveness ratio, no risk of casualties, and the ability to enter many unreachable areas, such as low-altitude reconnaissance, meteorological survey, Aerial photography, traffic patrol, etc. With the needs of the development of the industry, many professional multi-axis and long-wheelbase multi-rotor aircraft have appeared on the market. The long-wheelbase multi-axis multi-rotor aircraft meets the needs of many customers, but it also brings customers Trouble: Due to the size of the multi-axis multi-rotor aircraft with long wheelbase, it is inconvenient to transport. Usually, it needs to customize a box of a specific size for storage, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B64C27/32B64C27/08B64D35/00
CPCB64C27/32B64C27/08B64D35/00
Inventor 石存岭
Owner 成都鑫晨航空科技有限公司
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