CN207580169U - The shimmy damping structure of lifting airscrew - Google Patents
The shimmy damping structure of lifting airscrew Download PDFInfo
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- CN207580169U CN207580169U CN201721797359.1U CN201721797359U CN207580169U CN 207580169 U CN207580169 U CN 207580169U CN 201721797359 U CN201721797359 U CN 201721797359U CN 207580169 U CN207580169 U CN 207580169U
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- axis pin
- rotor
- connection axis
- paddle
- paddle folder
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Abstract
The utility model is related to a kind of shimmy damping structures of lifting airscrew,The rotor of paddle folder end is pressed from both sides and is arranged on including paddle,The end set opening of the paddle folder,One end of the rotor is plugged in opening,The opening both sides of the paddle folder are respectively arranged with first,Second connection axis pin,Described first,Second connection axis pin is pressed from both sides respectively close to paddle and rotor is arranged,Rubber damping block is arranged on the second connection axis pin,The rubber damping block is fixed on the outer wall of paddle folder,Pass through first between above-mentioned rotor and paddle folder,Second connecting pin axis connection,And it is arranged rubber damping block on the second connection axis pin,Rubber damping block can effectively absorb the energy generated when rotor is swung,The amplitude of swing occurred so as to effective damping and limitation rotor,Improve stability during helicopter flight,The damping structure, which has, to be replaced conveniently,It is light-weight,The advantages of small.
Description
Technical field
The utility model is related to vehicle technology fields, and in particular to a kind of shimmy damping structure of lifting airscrew.
Background technology
The rotor design of the rotary aircrafts such as helicopter, unmanned plane plays key work for the stability of housing construction
With.The rotor of helicopter is fixed on generally by axis pin on the paddle folder of rotor head, when paddle is clipped in connection rotor, is generally pressed from both sides in paddle
End open up opening, one end of rotor is plugged in opening, and opening both sides paddle folder two-arm and rotor on open up
Axis pin is plugged in mounting hole by mounting hole, so as to fulfill the connection of rotor and paddle folder.Since helicopter is in the mistake of practical flight
Cheng Zhong, rotor are complex by the external force of air-flow in itself so that rotor is periodically swung before and after occurring, if this swing
Without restriction and damping, can produce bigger effect or even be unable to safe flight for the flight stability of helicopter.
Utility model content
The purpose of this utility model is:It provides a kind of lifting airscrew shimmy damping structure, effectively can limit and damp
The amplitude of rotor swing improves stability during helicopter flight.
To achieve the above object, the technical solution adopted in the utility model is:
The shimmy damping structure of lifting airscrew presss from both sides and is arranged on the rotor of paddle folder end, the end of the paddle folder including paddle
Setting opening, one end of the rotor are plugged in opening, and the opening both sides of the paddle folder are respectively arranged with first, second connection
Axis pin, the first, second connection axis pin is pressed from both sides respectively close to paddle and rotor is arranged, rubber is arranged on the second connection axis pin
Damping block, the rubber damping block are fixed on the outer wall of paddle folder.
Also there are following technical characteristics for the utility model:
Card slot is offered on outer wall where the opening both sides of the paddle folder respectively, the profile of the card slot is in kidney-shaped, institute
The profile for stating rubber damping block and card slot coincide and holding is in card slot.
The flute length direction of the card slot is vertical with the length direction that paddle presss from both sides.
The slot bottom of the card slot offers strip through-hole, and the length direction of the strip through-hole and the length direction of card slot are put down
It goes, the through-hole passed through for the second connection axis pin is offered on the rubber damping block.
The mounting hole passed through for the first connection axis pin is also offered on outer wall where the opening both sides of the paddle folder respectively,
The external part of the first connection axis pin is provided with the first nut, and the external part of the second connection axis pin is provided with the second spiral shell
It is female.
The opening outer wall of the paddle folder is provided with plane, and described first, second connects axis pin as T shape screw rods, described first,
The end of second connection axis pin is respectively arranged with first, second gasket with flatting against.
Compared with prior art, the technique effect that the utility model has is:Pass through the between above-mentioned rotor and paddle folder
First, the second connecting pin axis connection, and rubber damping block is arranged on the second connection axis pin, rubber damping block can effectively absorb rotation
There is the amplitude of swing so as to effective damping and limitation rotor, improves helicopter flight in the energy that the wing generates when swinging
When stability, the damping structure have the advantages that replace it is convenient, light-weight, small.
Description of the drawings
Fig. 1 is the assembling explosive view of the shimmy damping structure of lifting airscrew;
Fig. 2 is the structure diagram of paddle folder.
Specific embodiment
With reference to Fig. 1 and Fig. 2, the utility model is further described:
The shimmy damping structure of lifting airscrew presss from both sides 10 including paddle and is arranged on the rotor 20 of 10 ends of paddle folder, the paddle folder
10 end set opening 101, one end of the rotor 20 are plugged in opening 101,101 both sides of opening point of the paddle folder 10
It is not provided with first, second connection axis pin 30,40, the first, second connection axis pin 30,40 is respectively close to paddle folder 10 and rotor
20 arrange, rubber damping block 50 is arranged on the second connection axis pin 40, and the rubber damping block 50 is fixed on paddle folder 10
On outer wall;
With reference to shown in Fig. 1 and Fig. 2, connected between above-mentioned rotor 20 and paddle folder 10 by first, second connection axis pin 30,40
It connects, and rubber damping block 50 is arranged on the second connection axis pin 40, when rubber damping block 50 can effectively absorb the swing of rotor 20
There is the situation of swing so as to can effectively avoid rotor 20, improves stability during helicopter flight in the energy of generation, should
It is convenient, light-weight, small that damping structure has the advantages that replace.
As the preferred embodiment of the utility model, opened up respectively on the outer wall where 101 both sides of opening of the paddle folder 10
There is a card slot 11, the profile of the card slot 11 is in kidney-shaped, and the profile of the rubber damping block 50 and card slot 11 coincide and holding is in card
In slot 11;
It is effectively to absorb the swing energy that rotor 20 generates since the practical plane of oscillation of rotor 20 is arc-shaped surface,
Above-mentioned card slot 11 is kidney-shaped, and rubber damping block 50 and the profile of card slot 11 coincide.
Specifically, the flute length direction of the card slot 11 is vertical with the length direction of paddle folder 10.
The installation of rubber damping block 50 is fixed to realize, the slot bottom of the card slot 11 offers strip through-hole 111, described
The length direction of strip through-hole 111 is parallel with the length direction of card slot 11, offers on the rubber damping block 50 and connects for second
The through-hole 51 that outbound axis 40 passes through.
More specifically, it is also offered respectively for the first connection on the outer wall where 101 both sides of opening of the paddle folder 10
The mounting hole 12 that axis pin 30 passes through, the external part of the first connection axis pin 30 are provided with the first nut 32, second connection
The external part of axis pin 40 is provided with the second nut 42.
101 outer wall of opening of the paddle folder 10 is provided with plane 13, and the first, second connection axis pin 30,40 is T shape spiral shells
Bar, the end of the first, second connection axis pin 30,40 be respectively arranged with first, second gasket 31,41 and plane 13 against.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that by containing in the equivalent requirements of the claims is fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (6)
1. the shimmy damping structure of lifting airscrew presss from both sides (10) including paddle and is arranged on the rotor (20) of paddle folder (10) end, special
Sign is:The end set opening (101) of the paddle folder (10), one end of the rotor (20) are plugged in opening (101), institute
Opening (101) both sides for stating paddle folder (10) are respectively arranged with first, second connection axis pin (30,40), first, second connection
Axis pin (30,40) is arranged respectively close to paddle folder (10) and rotor (20), and rubber resistance is arranged on the second connection axis pin (40)
Buddhist nun's block (50), the rubber damping block (50) are fixed on the outer wall of paddle folder (10).
2. the shimmy damping structure of lifting airscrew according to claim 1, it is characterised in that:The opening of the paddle folder (10)
(101) card slot (11) is offered on the outer wall where both sides respectively, the profile of the card slot (11) is in kidney-shaped, the rubber damping
The profile of block (50) and card slot (11) coincide and holding is in card slot (11).
3. the shimmy damping structure of lifting airscrew according to claim 2, it is characterised in that:The flute length of the card slot (11)
Direction is vertical with the length direction of paddle folder (10).
4. the shimmy damping structure of lifting airscrew according to claim 3, it is characterised in that:The slot bottom of the card slot (11)
Strip through-hole (111) is offered, the length direction of the strip through-hole (111) is parallel with the length direction of card slot (11), described
The through-hole (51) passed through for the second connection axis pin (40) is offered on rubber damping block (50).
5. the shimmy damping structure of lifting airscrew according to claim 4, it is characterised in that:The opening of the paddle folder (10)
(101) it is also offered respectively on the outer wall where both sides for first connection axis pin (30) mounting hole (12) for passing through, described first
The external part of connection axis pin (30) is provided with the first nut (32), and the external part of the second connection axis pin (40) is provided with second
Nut (42).
6. the shimmy damping structure of lifting airscrew according to claim 5, it is characterised in that:The opening of the paddle folder (10)
(101) outer wall is provided with plane (13), and the first, second connection axis pin (30,40) is T shape screw rods, and described first, second connects
The end of outbound axis (30,40) be respectively arranged with first, second gasket (31,41) and plane (13) against.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721797359.1U CN207580169U (en) | 2017-12-20 | 2017-12-20 | The shimmy damping structure of lifting airscrew |
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CN201721797359.1U CN207580169U (en) | 2017-12-20 | 2017-12-20 | The shimmy damping structure of lifting airscrew |
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CN207580169U true CN207580169U (en) | 2018-07-06 |
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CN201721797359.1U Active CN207580169U (en) | 2017-12-20 | 2017-12-20 | The shimmy damping structure of lifting airscrew |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116858036A (en) * | 2023-09-04 | 2023-10-10 | 北京爱思达航天科技有限公司 | Ultrathin light composite material flying wing and preparation method thereof |
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2017
- 2017-12-20 CN CN201721797359.1U patent/CN207580169U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116858036A (en) * | 2023-09-04 | 2023-10-10 | 北京爱思达航天科技有限公司 | Ultrathin light composite material flying wing and preparation method thereof |
CN116858036B (en) * | 2023-09-04 | 2023-12-29 | 北京爱思达航天科技有限公司 | Ultrathin light composite material flying wing and preparation method thereof |
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