CN106516101A - Connecting piece for rotor wing of rotor tower of helicopter - Google Patents
Connecting piece for rotor wing of rotor tower of helicopter Download PDFInfo
- Publication number
- CN106516101A CN106516101A CN201611084631.1A CN201611084631A CN106516101A CN 106516101 A CN106516101 A CN 106516101A CN 201611084631 A CN201611084631 A CN 201611084631A CN 106516101 A CN106516101 A CN 106516101A
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- CN
- China
- Prior art keywords
- rotor
- tower
- guide
- spline flange
- connector
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention discloses a connecting piece for a rotor wing of a rotor tower of a helicopter. The connecting piece for the rotor wing of the rotor tower of the helicopter comprises a guide drum supporting seat, a spline flange, a rotor wing shaft and a cone-shaped ring assembly. The spline flange with openings at the two ends and a hollow inside is arranged in the guide drum supporting seat. One end of the rotor wing shaft extends into the guide drum supporting seat, the rotor wing shaft is arranged in the spline flange and matched with the spline flange in a transmission mode, and the other end of the rotor wing shaft is used for being connected with the rotor wing. The cone-shaped ring assembly is arranged on the periphery of one end of the spline flange and connected with the rotor wing shaft. The cone-shaped ring assembly is provided with a cone-shaped outer wall, the inner side of the cone-shaped outer wall is attached to the rotor wing shaft, and the outer side of the cone-shaped outer wall is attached to the inner wall of the spline flange. According to the connecting piece for the rotor wing of the rotor tower of the helicopter, the cone-shaped ring assembly is added and used for ensuring that a rotary shaft and the rotor wing shaft are coaxial.
Description
Technical field
The present invention relates to rotor tower experimental technique field, more particularly to a kind of lifting airscrew tower rotor connector.
Background technology
Helicopter rotor system includes main rotor and tail-rotor (except DCB Specimen and some Novel helicopters), has influence on and goes straight up to
Life-span of machine, flight quality, safety, performance and holocyclic cost of use, decide Project R＆D into lose.Rotor system
Motion and structure are extremely complex, so the research such as helicopter dynamic trait, aerodynamic is the endless topic of helicopter circle.
Although the hardware facility high speed development such as finite element theory, computing technique and computer, by model and can calculate come right now
Problem in terms of hydrodynamics is studied, but the real reflection rotor characteristic of distance also has larger gap.In order to real anti-
The index of the aspects such as the inherent character of rotor, level of vibration, performance, durability is reflected, needs carry out complete under stand installment state
Size Rotor Test.Rotor test pylon (hereinafter referred to as rotor tower) requires to provide stable, lasting certain limit in dynamical system
On the premise of interior adjustable power, the manipulation to being close to the main rotor system of installment state on machine as far as possible, rotor test pylon are realized
Including systems such as tower body, power, transmission, dynamometry, manipulation, hydraulic pressure, lubricating oil, data acquisition and monitoring.Rotor test pylon is China
The large-scale test tower of First, can carry out the test such as feature, performance, dynamic characteristic and durability of the main rotor of Multiple Type.
When rotor tower is tested, the power of motor drives main rotor to rotate by drive system, and steerable system manipulates wing drop
Device carries out displacement motion, is the needs for adapting to Multiple Type, and the different test connector of drive system upper design is more to meet
Plant the needs of model test.Rotor tower builds up to be tested first, and rotor stud connector design must is fulfilled for the needs tested.Due to
Testpieces includes：Main hub, auto-bank unit, main blade (main blade is arranged on propeller hub), so the design of rotor connector
Need to consider the mounting means of main hub and auto-bank unit.
The problem of the rotor connector of prior art is that the axiality of upper axis and bottom axle is bad.
Thus, it is desirable to have a kind of technical scheme come overcome or at least mitigate prior art at least one drawbacks described above.
The content of the invention
It is an object of the invention to provide a kind of lifting airscrew tower rotor connector is overcoming or at least mitigate existing skill
At least one drawbacks described above of art.
For achieving the above object, the invention provides a kind of lifting airscrew tower rotor connector, the lifting airscrew
Tower rotor connector includes：Guide bearing, the guide bearing both ends open and inner hollow；Spline flange, the spline method
Orchid is arranged on inside the guide bearing, the spline flange both ends open and inner hollow, on one end of the spline flange
Connecting hole is provided with, for being connected with the rotary shaft of rotor tower；Rotor shaft, described rotor shaft one end stretch into the guide bearing
Inside, and be arranged on the inside of the spline flange and coordinate with spline flange transmission；The other end of the rotor shaft is used
In being connected with rotor；Taper ring assemblies, the taper ring assemblies are arranged on the spline flange of being arranged on of the rotor shaft
The end the week side of boss of one end, and be connected with the rotor shaft, the taper ring assemblies have a conical outer wall, the conical outer wall
Inner side fit the rotor shaft, the outside of the conical outer wall is fitted the inwall of the spline flange；Wherein, the conical ring
Component is used to ensure that the rotary shaft is coaxial with the rotor shaft.
Preferably, the connecting hole of auto-bank unit is provided with the guide bearing.
Preferably, the guide bearing includes guide base and guide axle sleeve, the guide base and the guide axle
Set is connected by adjustable connector.
Preferably, the adjustable connector includes connecting bolt and multiple pads, and the connecting bolt is used to wear
Cross the connecting hole of the connecting hole, pad and the guide axle sleeve of the guide base, so as to connect the guide base and
Guide axle sleeve, the pad are used to adjust the relative position between guide base and the guide axle sleeve.
Preferably, the end of one end for being provided with taper ring assemblies of the rotor shaft is provided with connection boss；The cone
Shape ring assemblies include taper ring body and conical ring coupling assembly, the conical ring coupling assembly for by the conical ring with
The connection boss connection of the rotor shaft.
Preferably, conical ring coupling assembly includes force bearing plate, round nut, locking plate, housing screw, and the force bearing plate is arranged
In one end of one end being connected with rotor away from the rotor shaft of the taper ring body；The round nut is arranged on described holding
Between power plate and the connecting platform；The locking plate is arranged on the one side away from the round nut of the connecting platform；Institute
State housing screw and sequentially pass through the locking plate, connection boss, round nut；So as to will be locking plate, connection boss, round nut mutual
Connection.
Preferably, the taper ring body is shaped as from one end for being contacted with the force bearing plate to another extreme direction gradually
Contracting, and tapered face is cambered surface.
The lifting airscrew tower rotor connector of the application is used to ensure by increasing taper ring assemblies, the taper ring assemblies
Rotary shaft is coaxial with rotor shaft.Using this structure, rotary shaft and rotor shaft out-of-alignment in prior art is solved the problems, such as.
Description of the drawings
Fig. 1 is the structural representation of lifting airscrew tower rotor connector according to an embodiment of the invention.
Reference
| 1 | Guide bearing | 12 | Guide axle sleeve |
| 2 | Spline flange | 41 | Taper ring body |
| 3 | Rotor shaft | 42 | Conical ring coupling assembly |
| 4 | Taper ring assemblies | ||
| 11 | Guide base |
Specific embodiment
To make purpose, technical scheme and the advantage of present invention enforcement clearer, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from start to finish or class
As label represent same or similar element or the element with same or like function.Described embodiment is the present invention
A part of embodiment, rather than the embodiment of whole.It is exemplary below with reference to the embodiment of Description of Drawings, it is intended to use
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment obtained under the premise of creative work is not made by member, belongs to the scope of protection of the invention.Under
Face combines accompanying drawing and embodiments of the invention is described in detail.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward " is based on accompanying drawing institute
The orientation for showing or position relationship, are for only for ease of the description present invention and simplify description, rather than indicate or imply the dress of indication
Put or element with specific orientation, with specific azimuth configuration and operation, therefore it is not intended that must be protected to the present invention
The restriction of scope.
Fig. 1 is the structural representation of lifting airscrew tower rotor connector according to an embodiment of the invention.
The lifting airscrew tower rotor connector as shown in Figure 1 includes guide bearing 1, spline flange 2, taper ring group
Part 4 and rotor shaft 3, guide bearing both ends open and inner hollow；Spline flange is arranged on inside guide bearing, spline flange
Both ends open and inner hollow, are provided with connecting hole on one end of spline flange, for being connected with the rotary shaft of rotor tower；Rotor
The inside of guide bearing is stretched in axle one end, and is arranged on the inside of spline flange and coordinates with the transmission of spline flange；Rotor shaft
The other end is for being connected with rotor；Taper ring assemblies are arranged on the end the week side of boss of one end for being arranged on spline flange of rotor shaft,
And be connected with rotor shaft, taper ring assemblies have a conical outer wall, conical outer wall inner side laminating rotor shaft, conical outer wall
The inwall of outside laminating spline flange；Wherein, taper ring assemblies are used to ensure that rotary shaft is coaxial with rotor shaft.
The lifting airscrew tower rotor connector of the application is used to ensure by increasing taper ring assemblies, the taper ring assemblies
Rotary shaft is coaxial with rotor shaft.Using this structure, rotary shaft and rotor shaft out-of-alignment in prior art is solved the problems, such as.
Referring to Fig. 1, in the present embodiment, the connecting hole of auto-bank unit on the guide bearing, is provided with.By the company
Connect the connection of Kong Keyu auto-bank units.
Referring to Fig. 1, in the present embodiment, guide bearing 1 includes guide base 11 and guide axle sleeve 12, guide base with
Guide axle sleeve is connected by adjustable connector.Using the split type convenient dismounting of guide base 11 and guide axle sleeve 12.Lead
Cylinder axle sleeve 12 can be used to fix rotor shaft 3.
Referring to Fig. 1, in the present embodiment, adjustable connector includes connecting bolt and multiple pads, connecting bolt
For the connecting hole of connecting hole, pad and guide axle sleeve through guide base, so as to connect guide base and guide axle
Set, pad are used to adjust the relative position between guide base and guide axle sleeve.Adjust i.e. by the thickness or quantity of pad
Relative position between whole guide base and guide axle sleeve.
Referring to Fig. 1, in the present embodiment, the end of one end for being provided with taper ring assemblies of rotor shaft is provided with and connects convex
Platform；Taper ring assemblies include taper ring body 41 and conical ring coupling assembly 42, and conical ring coupling assembly 42 is for by taper
Ring 41 is connected with the connection boss of rotor shaft 3.
Referring to Fig. 1, in the present embodiment, conical ring coupling assembly 42 includes force bearing plate, round nut, locking plate, compression spiral shell
Nail, force bearing plate are arranged on one end of one end being connected with rotor away from rotor shaft of taper ring body；Round nut is arranged on load
Between plate and connecting platform；Locking plate is arranged on the one side away from round nut of connecting platform；Housing screw sequentially passes through locking
Plate, connection boss, round nut；So as to locking plate, connection boss, round nut are connected with each other.Using this conical ring connection group
Part has the advantages that stable connection, prevents displacement.
Referring to Fig. 1, in the present embodiment, one end for being shaped as contacting with force bearing plate certainly of taper ring body is to other end side
To tapered, and tapered face is cambered surface.Using this structure, alignment can be further included.
It is last it is to be noted that：Above example only to illustrate technical scheme, rather than a limitation.To the greatest extent
Pipe has been described in detail to the present invention with reference to the foregoing embodiments, it will be understood by those within the art that：Which is still
Technical scheme described in foregoing embodiments can be modified, or equivalent is carried out to which part technical characteristic and replace
Change；And these modifications or replacement, do not make the essence of appropriate technical solution depart from the essence of various embodiments of the present invention technical scheme
God and scope.
Claims (7)
1. a kind of lifting airscrew tower rotor connector, it is characterised in that the lifting airscrew tower rotor connector includes：
Guide bearing (1), the guide bearing both ends open and inner hollow；
Spline flange (2), the spline flange are arranged on inside the guide bearing, the spline flange both ends open and inside
It is hollow, connecting hole is provided with one end of the spline flange, for being connected with the rotary shaft of rotor tower；
Rotor shaft (3), described rotor shaft one end stretch into the inside of the guide bearing, and are arranged on the inside of the spline flange
And coordinate with spline flange transmission；The other end of the rotor shaft is for being connected with rotor；
Taper ring assemblies (4), the taper ring assemblies are arranged on one end for being arranged on the spline flange of the rotor shaft
End the week side of boss, and be connected with the rotor shaft, the taper ring assemblies have a conical outer wall, the inner side of the conical outer wall
Fit the rotor shaft, the outside of the conical outer wall is fitted the inwall of the spline flange；Wherein, the taper ring assemblies are used
It is coaxial with the rotor shaft in the guarantee rotary shaft.
2. lifting airscrew tower rotor connector as claimed in claim 1, it is characterised in that be provided with the guide bearing
The connecting hole of auto-bank unit.
3. lifting airscrew tower rotor connector as claimed in claim 2, it is characterised in that the guide bearing (1) includes
Guide base (11) and guide axle sleeve (12), the guide base are connected by adjustable connector with the guide axle sleeve
Connect.
4. lifting airscrew tower rotor connector as claimed in claim 3, it is characterised in that the adjustable connector bag
Include connecting bolt and multiple pads, the connecting bolt is for the connecting hole through the guide base, pad and described
The connecting hole of guide axle sleeve, so as to connect the guide base and guide axle sleeve, the pad be used to adjusting guide base with
Relative position between the guide axle sleeve.
5. lifting airscrew tower rotor connector as claimed in claim 4, it is characterised in that the rotor shaft is provided with cone
The end of one end of shape ring assemblies is provided with connection boss；
The taper ring assemblies include taper ring body (41) and conical ring coupling assembly (42), the conical ring coupling assembly
(42) connect for the connection boss by the conical ring (41) with the rotor shaft (3).
6. lifting airscrew tower rotor connector as claimed in claim 5, it is characterised in that conical ring coupling assembly (42) is wrapped
Include force bearing plate, round nut, locking plate, housing screw, the force bearing plate be arranged on the taper ring body away from the rotor
One end of one end that axle is connected with rotor；The round nut is arranged between the force bearing plate and the connecting platform；It is described anti-
Deals is arranged on the one side away from the round nut of the connecting platform；The housing screw sequentially pass through the locking plate,
Connection boss, round nut；So as to locking plate, connection boss, round nut are connected with each other.
7. lifting airscrew tower rotor connector as claimed in claim 6, it is characterised in that the shape of the taper ring body
It is that the one end for contacting with the force bearing plate certainly is tapered to another extreme direction, and tapered face is cambered surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611084631.1A CN106516101B (en) | 2016-11-30 | 2016-11-30 | A kind of lifting airscrew tower rotor connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611084631.1A CN106516101B (en) | 2016-11-30 | 2016-11-30 | A kind of lifting airscrew tower rotor connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106516101A true CN106516101A (en) | 2017-03-22 |
| CN106516101B CN106516101B (en) | 2018-11-23 |
Family
ID=58355386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611084631.1A Active CN106516101B (en) | 2016-11-30 | 2016-11-30 | A kind of lifting airscrew tower rotor connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106516101B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237880A (en) * | 2017-06-01 | 2017-10-10 | 中国航发湖南动力机械研究所 | Auto-bank unit guide tube component and main reducing gear |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4074952A (en) * | 1976-06-28 | 1978-02-21 | United Technologies Corporation | Locking control and overtravel safety stop system for variable length rotor blades |
| US5145321A (en) * | 1990-03-24 | 1992-09-08 | Westland Helicopters Limited | Helicopter rotors with elastomeric bearings |
| CN102012219A (en) * | 2010-11-01 | 2011-04-13 | 哈尔滨工程大学 | Airborne panoramic rotor pyramidal angle measurement device |
| CN104085531A (en) * | 2014-06-23 | 2014-10-08 | 中国航空动力机械研究所 | Power transmission structure for main reducer of helicopter, and helicopter |
| CN106005446A (en) * | 2016-06-22 | 2016-10-12 | 新昌县七星街道鑫瑞机械厂 | Flexible-connection power take-off of unmanned helicopter |
-
2016
- 2016-11-30 CN CN201611084631.1A patent/CN106516101B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4074952A (en) * | 1976-06-28 | 1978-02-21 | United Technologies Corporation | Locking control and overtravel safety stop system for variable length rotor blades |
| US5145321A (en) * | 1990-03-24 | 1992-09-08 | Westland Helicopters Limited | Helicopter rotors with elastomeric bearings |
| CN102012219A (en) * | 2010-11-01 | 2011-04-13 | 哈尔滨工程大学 | Airborne panoramic rotor pyramidal angle measurement device |
| CN104085531A (en) * | 2014-06-23 | 2014-10-08 | 中国航空动力机械研究所 | Power transmission structure for main reducer of helicopter, and helicopter |
| CN106005446A (en) * | 2016-06-22 | 2016-10-12 | 新昌县七星街道鑫瑞机械厂 | Flexible-connection power take-off of unmanned helicopter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237880A (en) * | 2017-06-01 | 2017-10-10 | 中国航发湖南动力机械研究所 | Auto-bank unit guide tube component and main reducing gear |
| CN107237880B (en) * | 2017-06-01 | 2019-04-30 | 中国航发湖南动力机械研究所 | Auto-bank unit guide tube component and main reducing gear |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106516101B (en) | 2018-11-23 |
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