CN201890349U

CN201890349U - Folding structure of rotor head on rotorcraft

Info

Publication number: CN201890349U
Application number: CN2010205310919U
Authority: CN
Inventors: 孙为红
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-09-16
Filing date: 2010-09-16
Publication date: 2011-07-06
Anticipated expiration: 2020-09-16

Abstract

The utility model provides a folding structure of a rotor head on a rotorcraft, which comprises a middle shaft pivoted with the rotor head, rockers at the two side surfaces of the middle shaft, and a pre-rotating rod behind the middle shaft, wherein the middle shaft comprises a middle shaft upper segment and a middle shaft lower segment which are pivoted by a pivot shaft, a first positioning hole is arranged on the middle shaft upper segment, a fixed rack with a folding fixed hole and a spreading fixed hole is arranged on the middle shaft lower segment, and the middle shaft upper segment can rotate round the pivot shaft; the positioning hole on the middle shaft upper segment is selectively aligned with the folding fixed hole and the spreading fixed hole and is fixed by an inserted plug pin; each rocker comprises a rocker upper segment and a rocker lower segment which are respectively pivoted with one end of a connecting rod, the other end of the connecting rod is pivoted on the fixed rack, and the pivoting position is located on the pivot shaft line of the middle shaft upper segment and the middle shaft lower segment; the pre-rotating rod comprises a pre-rotating rod upper segment and a pre-rotating rod lower segment which are pivoted with each other, and the pre-rotating rod upper segment comprises a vertical rod and a sleeve sheathed on the outer surface of the vertical rod. The folding structure can provide convenience for storage and transportation of the rotorcraft.

Description

Rotor head foldable structure on the cyclogyro

Technical field

The utility model relates to a kind of cyclogyro, especially relates to rotor head foldable structure on a kind of cyclogyro.

Background technology

Cyclogyro is former to be a kind of ancient type, comes out early than helicopter.But the back is because of the comfort feature of the invention of helicopter and vertical takeoff and landing, be early stage cyclogyro can not, thereby cyclogyro had been eliminated at that time.Near for some years because the generation of up-to-date technology makes this ancient machine be paid attention to by people again, it simple in structure, control conveniently, easy maintenance and high security have been subjected to attention, are more and more used in leisure physical culture among the people and military activity.The rotor head of cyclogyro is installed on the axis, the axis two sides are equipped with the facing the wind rocking bar of angle of control rotor, the axis back is equipped with pre-swing arm, though structure has been simplified a lot, and its rotor can be by unloading on the rotor head, it is bigger that but its integral frame still seems, is unfavorable for transportation and storage; Store this kind aircraft and will occupy sizable interior space, this has just brought very big difficulty for domestic consumer; In use, also need to use fairly large transport vehicle and this kind aircraft is transported to the place to use, inconvenience equally very.

Summary of the invention

The technical problems to be solved in the utility model provides a kind of cyclogyro that makes and is convenient to the rotor head foldable structure of storing and transporting.

Rotor head foldable structure on this cyclogyro, comprise the axis that is articulated with rotor head, be positioned at the rocking bar of these axis two sides and the pre-swing arm of this axis back, this axis comprises axis epimere and the axis hypomere that is articulated, has one first knock hole on the axis epimere, the axis hypomere is provided with a fixed mount, this fixed mount has folding fixed orifice and launches fixed orifice, the axis epimere can be around its pivot rotation, make knock hole on the axis epimere optionally align on the fixed mount folding fixed orifice and launch fixed orifice, and fix to insert latch;

Described rocking bar comprises the rocking bar epimere and the rocking bar hypomere of an end that all is articulated in a connecting rod, and this connecting rod other end is articulated on the fixed mount, and its pivot points is positioned on the pivot axis of aforementioned axis epimere and axis hypomere;

Described pre-swing arm comprises the pre-swing arm epimere that is articulated and pre-swing arm hypomere, but this pre-swing arm epimere comprises a vertical rod and is enclosed within the slide relative of this vertical rod outside face but sleeve pipe in relative rotation.

Further, also be provided with on the described axis hypomere one with the described axis hypomere of one second knock hole that expansion fixed orifice on the fixed mount aligns on also be provided with a pivot hole of aliging with the pivot hole on the fixed mount.

Set firmly a pivot seat on the described fixed mount, the other end of this connecting rod is articulated on the fixed mount via this pivot seat.

The endoporus of described sleeve pipe is adopted non-circular the cooperation with the cross section of vertical rod.

The utility model can be brought into play the normal function of rocking bar and pre-swing arm under deployed condition, can under folded state, bring into play again simultaneously and be convenient to the effect of preserving and transporting, especially of the present utility model go up need do not dismantled rocking bar and pre-swing arm when the rotor head foldable structure fold, make it in expansion and more convenient and rapid when folding.

Description of drawings

Fig. 1 is the scheme drawing that the preferred embodiment of the utility model cyclogyro launches;

Fig. 2 is the exploded view of foldable structure of the rotor head of cyclogyro;

Fig. 3 is the scheme drawing that the foldable structure of the rotor head of cyclogyro amplifies under deployed condition.

The specific embodiment

Referring to the scheme drawing that the utility model cyclogyro preferred embodiment among Fig. 1 launches, the foldable structure of rotor head of the present utility model comprises the axis 10 that is articulated with rotor head 100, be positioned at the rocking bar 20 of axis 10 two sides and be positioned at the pre-swing arm 30 of axis 10 back.

Referring to Fig. 2, Fig. 3, axis 10 comprises axis epimere 11 and the axis hypomere 12 that is articulated, on axis epimere 11, have a pivot hole 110 and one first knock hole 111, be fixed with fixed mount 122 on the axis hypomere 12, has pivot hole 1220 on the fixed mount 122, launch fixed orifice 1221 and folding fixed orifice 1222, between the pivot hole 1220 of the pivot hole 110 of axis epimere 11 and fixed mount 122, be articulated with a pivot 1200, axis epimere 11 can make knock hole 111 optionally align around its pivot 1200 rotations and launch fixed orifice 1221 and folding fixed orifice 1222, and it is fixing to give a latch 1223 insertions;

Also be provided with a pivot hole 120 and one second knock hole 120 on the axis hypomere 12, align with the pivot hole 1220 on the fixed mount 122 in this pivot hole 120, this second knock hole 120 aligns with expansion fixed orifice 1221 on the fixed mount 122, can strengthen axis 10 and launch solid timer-operated intensity.

Described rocking bar 20 comprises rocking bar epimere 21 and rocking bar hypomere (not showing among Fig. 2), all be articulated in an end of a connecting rod 23, the other end of this connecting rod 23 is articulated on the fixed mount 122, be on fixed mount 122, to set firmly (welding) pivot seat 230 among the embodiment shown in the figure, the other end of this connecting rod 23 promptly is articulated on the fixed mount 122 via this pivot seat 230, and the articulated section is positioned on pivot 1200 axis of aforementioned axis epimere 11 and axis hypomere 12;

Described pre-swing arm 30 comprises pre-swing arm epimere 31 and the pre-swing arm hypomere 32 that is articulated, pre-swing arm epimere 31 comprises a vertical rod 311 and is enclosed within a sleeve pipe 310 of its outside face, the endoporus of this sleeve pipe 310 can be adopted non-circular the cooperation with the cross section of vertical rod 311, allow the sleeve pipe 310 can be, but can not relatively rotate along the length direction slide relative of vertical rod 311.

In the time will launching the foldable structure of rotor head, with latch 1223 by extracting out in the knock hole 111 of folding fixed orifice 1222 on the fixed mount 122 and axis epimere 11, make axis epimere 11 rotate to the position of the expansion fixed orifice 1221 on the knock hole 111 alignment fixed mounts 122 around its pivot 1200, it is fixing to insert latch 1223; Rocking bar epimere 21 is with 11 rotations of axis epimere, since rocking bar epimere 21 and rocking bar hypomere all with the end pivot joint of connecting rod 23, and the other end articulated section of this connecting rod 23 is positioned on pivot 1200 axis of aforementioned axis epimere 11 and axis hypomere 12, thereby with not having obstacle in axis epimere 11 rotation, and function of the power of its transmission control rotor state can normally be brought into play; Pre-swing arm epimere 31 is with 11 rotations of axis epimere, because its rotation axis is different with the rotation axis of axis epimere 11, this will make its length change, but because pre-swing arm epimere 31 comprises a vertical rod 311 and a sleeve pipe 310 that is enclosed within its outside face, sleeve pipe 310 can be along the length direction slide relative of vertical rod 311, thereby pre-swing arm epimere 31 does not have obstacle yet in rotating process, and sleeve pipe 310 can not relatively rotate, thereby the function of its transmission power of prewhirling still can normally be brought into play.

In the time will folding the foldable structure of rotor head, with latch 1223 by extracting out in the knock hole 111 of expansion fixed orifice 1221 on the fixed mount 122 and axis epimere 11, make axis epimere 11 rotate to the position of the folding fixed orifice 1222 on the knock hole 111 alignment fixed mounts 122 around its pivot, it is fixing to insert latch 1223; Similarly, rocking bar epimere 21 rotates along with the rotation of axis epimere 11 with pre-swing arm epimere 31, and does not have obstacle in its rotary course.

Claims

1. rotor head foldable structure on the cyclogyro, comprise the axis that is articulated with rotor head, be positioned at the rocking bar of these axis two sides and the pre-swing arm of this axis back, it is characterized in that this axis comprises axis epimere and the axis hypomere that is articulated, have a pivot hole and one first knock hole on the axis epimere, the axis hypomere is provided with a fixed mount, this fixed mount has the pivot hole, folding fixed orifice and expansion fixed orifice, between the pivot hole of the pivot hole of axis epimere and fixed mount, be articulated with a pivot, the axis epimere can be around its pivot rotation, make knock hole on the axis epimere optionally align on the fixed mount folding fixed orifice and launch fixed orifice, and fix to insert latch;

Described rocking bar comprises the rocking bar epimere and the rocking bar hypomere of an end that all is articulated in a connecting rod, and this connecting rod other end is articulated on the fixed mount, and its pivot points is positioned on the pivotal axis of aforementioned axis epimere and axis hypomere;

2. rotor head foldable structure on a kind of cyclogyro as claimed in claim 1 is characterized in that also being provided with on the described axis hypomere second knock hole that aligns with expansion fixed orifice on the fixed mount.

3. rotor head foldable structure on a kind of cyclogyro as claimed in claim 1 is characterized in that also being provided with on the described axis hypomere pivot hole of aliging with the pivot hole on the fixed mount.

4. rotor head foldable structure on a kind of cyclogyro as claimed in claim 1 is characterized in that setting firmly on the described fixed mount pivot seat, and the other end of this connecting rod is articulated on the fixed mount via this pivot seat.

5. rotor head foldable structure on a kind of cyclogyro as claimed in claim 1 is characterized in that the endoporus of described sleeve pipe adopts non-circular the cooperation with the cross section of vertical rod.