CN-117550111-B - Cable telescoping mechanism for folding wings and folding wings

CN117550111BCN 117550111 BCN117550111 BCN 117550111BCN-117550111-B

Abstract

The invention provides a cable telescoping mechanism for a folding wing and the folding wing, and relates to the technical field of unmanned aerial vehicle folding wing cable telescoping, comprising a guide rail, a guide rail and a folding wing, wherein the guide rail is arranged in an innermost wing section; the cable fixing component is used for fixing cables, so that two ends of the cables are respectively fixed by the innermost wing section and the cable fixing component on the outermost wing section and the cables bypass the movable pulley, one end of the stay wire is connected with one end of the innermost wing section far away from the adjacent wing section, the other end of the stay wire is connected with one end of the outermost wing section near the adjacent wing section, and the stay wire sequentially bypasses the movable pulley and each fixed pulley in a serpentine manner, and the technical problem that the cables arranged inside the folding wings in the prior art are difficult to adapt to the telescopic action of the folding wings is solved.

Inventors

JU ZIYAN
GUO YITING
WANG ZHENG
SHEN ZHONGQI
GUO LIN

Assignees

中国航天空气动力技术研究院

Dates

Publication Date: 20260512
Application Date: 20231229

Claims (10)

1. A cable telescoping mechanism for a folding wing, the folding wing comprising a plurality of wing segments sleeved in sequence from inside to outside, the wing segments on the outside being capable of being unfolded outwardly relative to the wing segments on the inside, comprising: the guide rail is arranged in the innermost wing section along the unfolding direction of the folding wing; the movable pulley is in sliding connection with the guide rail and can rotate and simultaneously slide along the guide rail; a plurality of pairs of fixed pulleys, except for the wing sections at the outermost sides, a pair of fixed pulleys are arranged in each wing section, and each pair of fixed pulleys is positioned at two ends of one wing section; at least one cable fixing part is arranged at one end of the innermost wing section close to the adjacent wing section during the unfolding, at least one cable fixing part is arranged at one end of the outermost wing section far away from the adjacent wing section during the unfolding, the cable fixing component is used for fixing a cable, so that two ends of the cable are respectively fixed by the cable fixing component on the innermost wing section and the cable fixing component on the outermost wing section, and the cable bypasses the movable pulley; The one end of acting as go-between, the one end of acting as go-between is kept away from the one end of its adjacent wing section with the innermost wing section when expanding is connected, the other end of acting as go-between is close to the one end of its adjacent wing section with the wing section of the outermost when expanding, just act as go-between the snakelike in proper order and bypass movable pulley and every fixed pulley.
2. The cable retractor mechanism for folding wings according to claim 1, wherein both ends of the cable are respectively used for connecting interconnection devices.
3. A cable retraction mechanism for a folding wing according to claim 1 wherein the end of the innermost wing segment remote from the wing segment adjacent thereto when deployed is provided with at least one said cable fixing member.
4. The cable retraction mechanism for a folding wing according to claim 1 wherein the movable pulley is at an end of the innermost wing segment adjacent thereto when deployed and at an end of the innermost wing segment distal from the wing segment adjacent thereto when folded.
5. The cable retractor mechanism for a folding wing according to claim 1, wherein the pull wire is in tension when unfolded and when folded.
6. The cable retractor mechanism for a folding wing according to claim 1, wherein the cable is in tension when unfolded and when folded.
7. The cable telescoping mechanism for a folding wing according to claim 1, wherein both ends of the guide rail are provided with a limiting member for limiting movement of the movable pulley along the guide rail.
8. The cable telescoping mechanism for a folding wing according to claim 1, wherein a plurality of the wing segments are a first wing segment, a second wing segment and a third wing segment in that order from inside to outside.
9. The cable retractor mechanism for a folding wing according to claim 1, wherein the material of the pull wire is a rope.
10. A folding wing, comprising: The wing sections are sleeved in sequence from inside to outside, and the wing sections at the outer side can be unfolded outwards relative to the wing sections at the inner side; A cable retraction mechanism for a folding wing according to any one of claims 1 to 9; And two ends of the cable are respectively fixed by the cable fixing parts on the innermost wing section and the outermost wing section, and the cable bypasses the movable pulley.

Description

Cable telescoping mechanism for folding wings and folding wings Technical Field The invention belongs to the technical field of folding wing cable telescoping of unmanned aerial vehicles, and particularly relates to a cable telescoping mechanism for a folding wing and the folding wing. Background In recent years, unmanned aerial vehicle technology has been developed rapidly, and for adapting to various application scene demands, folding wing unmanned aerial vehicle has become hot spot direction. The design difficulty of the folding wing unmanned aerial vehicle is that the matching design related to the folding wing in the telescopic action process of the folding wing is realized. The inner end and the outer end of the folding wing are provided with avionics interconnection equipment and electrical interconnection requirements, interconnection equipment at the root of the folding wing and interconnection equipment at the outer end of the folding wing are required to be interconnected through cables, so that how to arrange the cables inside the folding wing can adapt to the telescopic action of the folding wing becomes a technical problem to be solved urgently. Disclosure of Invention The invention aims to provide a cable telescoping mechanism for a folding wing, which solves the technical problem that cables arranged inside the folding wing are difficult to adapt to telescoping actions of the folding wing in the prior art. In order to achieve the above object, the present invention provides a cable telescoping mechanism for a folding wing, the folding wing including a plurality of wing segments sleeved in sequence from inside to outside, the wing segments on the outside being capable of being unfolded outwardly with respect to the wing segments on the inside, comprising: the guide rail is arranged in the innermost wing section along the unfolding direction of the folding wing; the movable pulley is in sliding connection with the guide rail and can rotate and simultaneously slide along the guide rail; a plurality of pairs of fixed pulleys, except for the wing sections at the outermost sides, a pair of fixed pulleys are arranged in each wing section, and each pair of fixed pulleys is positioned at two ends of one wing section; at least one cable fixing part is arranged at one end of the innermost wing section close to the adjacent wing section during the unfolding, at least one cable fixing part is arranged at one end of the outermost wing section far away from the adjacent wing section during the unfolding, the cable fixing component is used for fixing a cable, so that two ends of the cable are respectively fixed by the cable fixing component on the innermost wing section and the cable fixing component on the outermost wing section, and the cable bypasses the movable pulley; The one end of acting as go-between, the one end of acting as go-between is kept away from the one end of its adjacent wing section with the innermost wing section when expanding is connected, the other end of acting as go-between is close to the one end of its adjacent wing section with the wing section of the outermost when expanding, just act as go-between the snakelike in proper order and bypass movable pulley and every fixed pulley. Optionally, two ends of the cable are respectively used for connecting interconnection equipment. Optionally, the end of the innermost wing section remote from the wing section adjacent thereto when deployed is provided with at least one of said cable fixing members. Optionally, the movable pulley is located at an end of the innermost wing section close to the wing section adjacent thereto when unfolded, and is located at an end of the innermost wing section away from the wing section adjacent thereto when folded. Optionally, the pull wire is in tension when deployed and when folded. Optionally, the cable is in tension when unfolded and when folded. Optionally, two ends of the guide rail are provided with limiting parts, and the limiting parts are used for limiting the movable pulley to move along the guide rail. Optionally, the plurality of wing segments are a first wing segment, a second wing segment and a third wing segment sequentially from inside to outside. Optionally, the material of the pull wire is a rope. The present invention also provides a folding wing comprising: The wing sections are sleeved in sequence from inside to outside, and the wing sections at the outer side can be unfolded outwards relative to the wing sections at the inner side; the cable telescoping mechanism for the folding wing; And two ends of the cable are respectively fixed by the cable fixing parts on the innermost wing section and the outermost wing section, and the cable bypasses the movable pulley. The invention provides a cable telescoping mechanism for a folding wing and the folding wing, which have the beneficial effects that a guide rail is arranged in an innermost wing section of the cable telescoping mechanism for