CN206782072U - A kind of depopulated helicopter rotor header structure - Google Patents
A kind of depopulated helicopter rotor header structure Download PDFInfo
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- CN206782072U CN206782072U CN201720593096.6U CN201720593096U CN206782072U CN 206782072 U CN206782072 U CN 206782072U CN 201720593096 U CN201720593096 U CN 201720593096U CN 206782072 U CN206782072 U CN 206782072U
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- transverse axis
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Abstract
The utility model discloses a kind of depopulated helicopter rotor header structure, including rotor head, rubber damping, transverse axis, damping regulation lid, oar folder, the first deep groove ball bearing, the first thrust bearing, the second deep groove ball bearing and straight pin.In the ladder blind hole of the bulb end insertion rotor head of transverse axis, transverse axis and rotor head are fixed using straight pin, rubber damping, rubber damping set, the first deep groove ball bearing, oar folder, the first thrust bearing and the second deep groove ball bearing, transverse axis is inserted in successively on the axle of transverse axis to fix by nut with the second deep groove ball bearing.This transverse axis convenient disassembly, it is not only suitable for double oar rotor heads and is also applied for three oar rotor heads；Rubber damping elasticity is adjusted according to actual conditions, regulates and controls the stability of rotor wing rotation, reaches certain damping effect.When rotor works in the best condition, depopulated helicopter manipulation difficulty declines, long lifespan, and maintenance cost is low.
Description
Technical field
It the utility model is related to depopulated helicopter technical field, and in particular to a kind of depopulated helicopter rotor header structure.
Background technology
Depopulated helicopter with its can VTOL, hovering, the features such as flight flexibility is high be widely used in it is military,
Civil area.With increasingly mature, the emphasis for optimizing, improving its overall performance to study instantly of depopulated helicopter technology.
Rotor head connects mast and oar folder (assembling blade), mast rotation, so as to drive blade to revolve as undertake part
Turn, lift is provided for depopulated helicopter.Rotor head is highly important parts in depopulated helicopter, and its quality directly determines
The quality of whole depopulated helicopter.
At present, the design of rotor head is only adapted to double oar depopulated helicopters, is but not suitable for three oar depopulated helicopters, such as
The patent of Application No. 201220066616.5 discloses that " the rotor head fixed mechanism and model of a kind of model copter are gone straight up to
Machine ".The rubber ring width of existing rotor head, thickness, elasticity all can not carry out Effective Regulation according to actual conditions, can not be right
The rotor waved carries out effective stability regulation and control, and damping effect is poor.The shortcomings of dismounting is difficult, short life and cost are high.
Utility model content
In order to overcome the shortcomings of that rotor head stability is low, damping effect is poor, dismounting is difficult, short life and cost are high, this reality
With a kind of depopulated helicopter rotor header structure of new offer.
Therefore, the technical solution of the utility model is as follows：
A kind of depopulated helicopter rotor header structure, including rotor head, rubber damping, transverse axis, damping regulation lid, oar folder, the
One deep groove ball bearing, the first thrust bearing, the second deep groove ball bearing and straight pin；
The center vertical direction of the rotor head is provided with a through hole, and the rotor head has 3 in circumference side
To uniform and structure identical protruding end, the axial direction of each protruding end is provided with ladder blind hole, on each protruding end
It is provided with a through hole and the through hole is perpendicular to the ladder blind hole of protruding end, the rubber damping is loop configuration, the horizontal stroke
Axle is ball head, and the axially arranged of transverse axis has through hole, and the bulb center of transverse axis is provided with through hole and the through hole and transverse axis
Axially extending bore it is vertical, the damping regulation lid is provided centrally with ladder hole, and the axial direction of the oar folder is provided with logical
Hole, a groove is each provided with the both ends of the axially extending bore of oar folder；
The bulb end of the transverse axis is inserted in the ladder blind hole of the rotor head, and the straight pin passes through the rotor head
The through hole of the bulb of the through hole of protruding end and the transverse axis, the rubber damping is enclosed on the axle of transverse axis and rubber damping is arranged on
In the ladder blind hole of the remote bulb of the protruding end of rotor head, the outer ring connection damping regulation of the protruding end of rotor head
The inner side of lid, first deep groove ball bearing is installed on the axle of transverse axis, installed on the outer ring of first deep groove ball bearing
The oar folder and first deep groove ball bearing are located in the groove that the oar presss from both sides, and the oar away from the damping regulation lid presss from both sides recessed
First thrust bearing and second deep groove ball bearing are installed successively in groove, one of the oar folder away from the damping regulation lid
End is provided with the through hole of vertical direction, and horizontal the tip of the axis is fixed with the second deep groove ball bearing by screw.
The outer aperture of the ladder blind hole of the rotor head is more than internal orifice dimension.
The aperture of the diameter of axle of the transverse axis and the rubber damping is adapted.
The external diameter and length of the rubber damping are corresponding with the exit orifice aperture of the ladder blind hole of the rotor head and length
It is adapted.
The through hole of the transverse axis and the axially extending bore that oar presss from both sides are concentric.
The beneficial effects of the utility model are as follows：
1. the utility model designs rubber damping and damping regulation lid, it is elastic rubber damping can be adjusted according to actual conditions
Degree, regulates and controls the stability of rotor wing rotation, reaches certain damping effect.
2. the utility model transverse axis convenient disassembly, it is not only suitable for double oar rotor heads and is also applied for three oar rotor heads.
3. the utility model is obvious to the stability regulating effect of rotor, make rotor in the best condition under working condition,
Depopulated helicopter manipulation difficulty declines, and extends service life, reduces maintenance cost.
Brief description of the drawings
Fig. 1 is depopulated helicopter rotor head structure chart of the present utility model；
Fig. 2 is the partial sectional view in Fig. 1.
Wherein：
1. the rubber damping 3. of rotor head 2. damping regulation lid
4. the oar of transverse axis 5. presss from both sides 6. first deep groove ball bearings
7. the straight pin of the first 8. second deep groove ball bearing of thrust bearing 9.
Embodiment
The structure of depopulated helicopter rotor head of the present utility model is described in detail with reference to specific embodiment.
As depicted in figs. 1 and 2, a kind of depopulated helicopter rotor header structure includes：Rotor head 1, rubber damping 2, transverse axis 3,
Damping regulation lid 4, oar press from both sides the 5, first deep groove ball bearing 6, the first thrust bearing 7, the second deep groove ball bearing 8 and straight pin 9；
By taking three oar rotor heads as an example, rotor head 1 has 3 and structure identical protruding end rotations uniform in circumferencial direction, often
The installation process of individual protruding end is as follows：
The center vertical direction of rotor head 1 sets a through hole, and the through hole is used for the main shaft for connecting engine, edge
The axial direction of the protruding end of rotor head 1, ladder blind hole of the protruding end setting with certain depth in rotor head 1, it is described
The outer aperture of ladder blind hole is more than internal orifice dimension.Transverse axis 3 is ball head, an axially arranged through hole for transverse axis 3, the bulb of transverse axis 3
Center is provided with through hole and the through hole is vertical with the axially extending bore of transverse axis 3, the bulb end insertion rotor head 1 of transverse axis 3
In ladder blind hole, the through hole of adjustment transverse axis 3 makes it concentric with the axially extending bore of oar folder 5 respectively, in the through hole of the bulb of transverse axis 3
With insertion straight pin 9 in the through hole of the protruding end of rotor head 1, transverse axis 3 is positioned.Rubber damping 2 is cylindrical structure and axle
To being provided with through hole.Rubber damping 2 is enclosed on the axle of transverse axis 3 and rubber damping 2 is arranged on the exit orifice of the ladder blind hole of rotor head 1
It is interior.Damping regulation lid 4 is U-shape structure, and damping regulation the horizontally arranged of lid 4 has tapped through hole.The protruding end of rotor head 1
The inner side of the outer ring connection damping regulation lid 4.Damping regulation lid 4 can adjust damping soft durometer according to actual conditions, make rubber
Fiting effect between glue damping and the rotor waved is optimal, and rotor reduces vibration to the full extent.The axial direction of oar folder 5
Through hole is provided with, the both ends of the through hole of oar folder 5 are each provided with a groove.First deep-groove ball is installed on the axle of transverse axis 3
The outer ring of bearing 6 and first deep groove ball bearing 6 is arranged in the groove of oar folder 5, ensures oar folder 5 in rubber damping 2
Undertaking under, do not run out bearing in the up and down motion of certain amplitude.One end that the oar folder 5 of lid 4 is adjusted away from the damping is set
The through hole of vertical direction is equipped with, the He of the first thrust bearing 7 is installed successively in the groove for the oar folder 5 that lid 4 is adjusted away from the damping
Second deep groove ball bearing 8, the end of transverse axis 3 and the second deep groove ball bearing 8 are fixed by nut.First deep groove ball bearing 6,
The bearing mounting means that one thrust bearing 7 and the second deep groove ball bearing 8 are combined, the rotor accepted respectively in rotary course produce
Radial load and axial force, ensure rotor normal work.Bearing shim is placed between screw and the second deep groove ball bearing 8, is ensured
Oar folder 5 around transverse axis rotate when it is unaffected and do not wear the second deep groove ball bearing 8.
Claims (5)
1. a kind of depopulated helicopter rotor header structure, it is characterized in that：Including rotor head (1), rubber damping (2), transverse axis (3), resistance
Buddhist nun adjusts lid (4), oar folder (5), the first deep groove ball bearing (6), the first thrust bearing (7), the second deep groove ball bearing (8) and cylinder
Sell (9)；
The center vertical direction of the rotor head (1) is provided with a through hole, and the rotor head (1) has 3 in circumference
Direction is uniform and structure identical protruding end, and the axial direction of each protruding end is provided with ladder blind hole, on each protruding end
It is provided with a through hole and the through hole is perpendicular to the ladder blind hole of protruding end, the rubber damping (2) is loop configuration, institute
It is ball head to state transverse axis (3), and the axially arranged of transverse axis (3) has through hole, and the bulb center of transverse axis (3) is provided with through hole and institute
State that through hole is vertical with the axially extending bore of transverse axis (3), the damping regulation lid (4) is provided centrally with ladder hole, the oar folder
(5) axial direction is provided with through hole, and a groove is each provided with the both ends of the axially extending bore of oar folder (5)；
The bulb end of the transverse axis (3) is inserted in the ladder blind hole of the rotor head (1), and the straight pin (9) passes through the horizontal stroke
The through hole of the through hole of the protruding end of axle (3) and the bulb of the transverse axis (3), the rubber damping (2) are enclosed on the axle of transverse axis (3)
And rubber damping (2) be arranged on rotor head (1) protruding end the remote bulb ladder blind hole in, rotor head (1) it is convex
The inner side of the outer ring connection damping regulation lid (4) of origin or beginning, installs first deep groove ball bearing on the axle of transverse axis (3)
(6) the oar folder (5), is installed on the outer ring of first deep groove ball bearing (6) and first deep groove ball bearing (6) is located at
Described first is installed successively in the groove of the oar folder (5), in the groove of the oar folder (5) away from the damping regulation lid (4) to push away
Power bearing (7) and second deep groove ball bearing (8), one end away from the oar folder (5) for damping regulation lid (4) are provided with perpendicular
Nogata to through hole, the end of transverse axis (3) is fixed with the second deep groove ball bearing (8) by screw.
2. rotor header structure according to claim 1, it is characterized in that：The outer aperture of the ladder blind hole of the rotor head (1)
More than internal orifice dimension.
3. rotor header structure according to claim 1, it is characterized in that：The diameter of axle of the transverse axis (3) and the rubber damping
(2) aperture is adapted.
4. rotor header structure according to claim 1, it is characterized in that：The external diameter and length of the rubber damping (2) are relative
It should be adapted with the exit orifice aperture of the ladder blind hole of the rotor head (1) and length.
5. rotor header structure according to claim 1, it is characterized in that：The axial direction of the through hole of the transverse axis (3) and oar folder (5)
Through hole is concentric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720593096.6U CN206782072U (en) | 2017-05-25 | 2017-05-25 | A kind of depopulated helicopter rotor header structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720593096.6U CN206782072U (en) | 2017-05-25 | 2017-05-25 | A kind of depopulated helicopter rotor header structure |
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| Publication Number | Publication Date |
|---|---|
| CN206782072U true CN206782072U (en) | 2017-12-22 |
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ID=60712873
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720593096.6U Active CN206782072U (en) | 2017-05-25 | 2017-05-25 | A kind of depopulated helicopter rotor header structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985586A (en) * | 2017-12-29 | 2018-05-04 | 江苏方阔航空科技有限公司 | A kind of life-cycle pulp hub structure |
| CN109250071A (en) * | 2018-10-30 | 2019-01-22 | 北京清航紫荆装备科技有限公司 | A kind of novel propeller hub of intersection DCB Specimen unmanned helicopter |
| CN109279010A (en) * | 2018-10-12 | 2019-01-29 | 必扬星环（北京）航空科技有限公司 | A kind of main paddle clamping structure |
-
2017
- 2017-05-25 CN CN201720593096.6U patent/CN206782072U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985586A (en) * | 2017-12-29 | 2018-05-04 | 江苏方阔航空科技有限公司 | A kind of life-cycle pulp hub structure |
| CN109279010A (en) * | 2018-10-12 | 2019-01-29 | 必扬星环（北京）航空科技有限公司 | A kind of main paddle clamping structure |
| CN109250071A (en) * | 2018-10-30 | 2019-01-22 | 北京清航紫荆装备科技有限公司 | A kind of novel propeller hub of intersection DCB Specimen unmanned helicopter |
| CN109250071B (en) * | 2018-10-30 | 2024-01-30 | 北京清航紫荆装备科技有限公司 | Cross double-rotor unmanned helicopter hub |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221014 Address after: 300457 Binhai Zhongguancun Branch, Tianjin Economic and Technological Development Zone, Binhai New Area, Tianjin Patentee after: Tianjin Phoenix Intelligent Technology Co.,Ltd. Address before: Floor 1, block B, No.3, Tengfei Road, Junliang City, Dongli District, Tianjin Patentee before: TIANJIN SHUGUANG TIANCHENG TECHNOLOGY Co.,Ltd. |