CN109281948A - A kind of propeller boss coupling arrangement - Google Patents
A kind of propeller boss coupling arrangement Download PDFInfo
- Publication number
- CN109281948A CN109281948A CN201811381118.8A CN201811381118A CN109281948A CN 109281948 A CN109281948 A CN 109281948A CN 201811381118 A CN201811381118 A CN 201811381118A CN 109281948 A CN109281948 A CN 109281948A
- Authority
- CN
- China
- Prior art keywords
- propeller boss
- conical surface
- transmission shaft
- elastic ring
- coupling arrangement
- Prior art date
- 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.)
- Granted
Links
- 230000008878 coupling Effects 0.000 title claims abstract description 21
- 238000010168 coupling process Methods 0.000 title claims abstract description 21
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
- F16D3/06—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted to allow axial displacement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/84—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/0018—Shaft assemblies for gearings
- F16H57/0025—Shaft assemblies for gearings with gearing elements rigidly connected to a shaft, e.g. securing gears or pulleys by specially adapted splines, keys or methods
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Motor Power Transmission Devices (AREA)
- Pulleys (AREA)
Abstract
The invention discloses a kind of propeller boss coupling arrangements, including propeller boss, transmission shaft and spline, propeller boss bottom is equipped with the conical surface, transmission shaft one end is installed with elastic ring, the conical surface is equipped at the top of elastic ring, the transmission shaft other end is equipped with the conical surface, and the conical surface of propeller boss bottom is pressed on the conical surface of the conical surface equipped with elastic ring and transmission shaft, and spline is arranged between elastic ring and the conical surface of transmission shaft and spline connects propeller boss and transmission shaft.The propeller boss coupling arrangement has the advantages that simple and compact for structure, light-weight, leakproofness and high reliablity.
Description
Technical field
The invention mainly relates to torsion pass sealing device more particularly to a kind of propeller boss coupling arrangements.
Background technique
In the mode of propeller boss connection, involute spline connection has radial direction since its flank profil is involute on tooth when loaded
Component can play self-centering action, make each tooth load even action, and intensity is high, the service life is long, in aircraft, naval vessel, automobile, engineering
The fields such as machinery are widely applied.
Propeller boss in the prior art connection is installed with two on transmission shaft 2 as shown in Figure 1, propeller boss 1 is designed as band conical surface a
The conical surface a of a elastic ring 3 with conical surface a, the conical surface a of propeller boss 1 and two elastic rings 3 cooperates, and the bottom of propeller boss 1 passes through spline again
4 form connection with transmission shaft 2, and main driving device of the propeller as aircraft, naval vessel especially helicopter, stress is complicated, is rushed
It hits, vibrate big, reliability requirement height, single involute spline connection is difficult to meet the requirements at the higher level of propeller propeller boss connection.
Designing light-weight one kind, high reliablity, maintainability, good propeller boss coupling arrangement is just able to satisfy aviation or ship propeller propeller boss connection
The requirement connect.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, provide a kind of simple and compact for structure, weight
Gently, the propeller boss coupling arrangement of leakproofness and high reliablity.
In order to solve the above technical problems, the invention adopts the following technical scheme:
A kind of propeller boss coupling arrangement, including propeller boss, transmission shaft and spline, the propeller boss bottom are equipped with the conical surface, the transmission shaft one
End is installed with elastic ring, and the conical surface is equipped at the top of the elastic ring, and the transmission shaft other end is equipped with the conical surface, the propeller boss bottom
The conical surface is pressed on the conical surface of the conical surface equipped with elastic ring and transmission shaft, the spline be arranged in elastic ring and transmission shaft the conical surface it
Between and spline connection propeller boss and transmission shaft.
As a further improvement of the above technical scheme:
The semi-cone angle of the conical surface of the transmission shaft is b, and 12.5 °≤b≤17 °, the semi-cone angle of the conical surface of the elastic ring is b+1 °.
The transmission shaft is provided with stop mounting plate in the end close to elastic ring, installs on the stop mounting plate useful
In the positioning component for holding out against elastic ring outer end face.
The positioning component includes positioning bolt and location nut, and the positioning bolt is threaded through on stop mounting plate, institute
State the outer end face that location nut is threadedly coupled with positioning bolt and holds out against elastic ring.
The positioning component further includes locking nut, and the locking nut is threadedly coupled with positioning bolt and is located at stop peace
Between loading board and the screw head of positioning bolt.
The first fuse is provided on the locking nut.
The second fuse is provided on the positioning bolt.
Compared with the prior art, the advantages of the present invention are as follows:
Propeller boss coupling arrangement of the invention, including propeller boss, transmission shaft and spline, propeller boss bottom are equipped with the conical surface, transmission shaft one end dress
Equipped with elastic ring, the conical surface is equipped at the top of elastic ring, the transmission shaft other end is equipped with the conical surface, and the conical surface pressure of propeller boss bottom is equipped with elastic ring
The conical surface and transmission shaft the conical surface on, spline is arranged between elastic ring and the conical surface of transmission shaft and spline connection propeller boss and transmission
Axis.The present invention cancels the elastic ring close to bearing end, by the function of elastic ring on the basis of existing typical compound coupling arrangement
It can incorporate in propeller boss and transmission shaft respectively, propeller boss and transmission shaft are designed to tapered structure.The design scheme strengthens biography
Moving axis simplifies structure, makes more compact structure, lighter, more reliable, sealing performance is also improved.
Detailed description of the invention
Fig. 1 is propeller boss coupling structure schematic diagram in the prior art.
Fig. 2 is the structural schematic diagram of propeller boss coupling arrangement of the present invention.
Fig. 3 is enlarged structure schematic diagram at the A of Fig. 2.
Fig. 4 is enlarged structure schematic diagram at the B of Fig. 2.
Each label indicates in figure:
1, propeller boss；2, transmission shaft；3, elastic ring；4, spline；5, stop mounting plate；6, positioning component；61, positioning bolt；611,
Fuse；62, location nut；63, locking nut；631, fuse；A, the conical surface.
Specific embodiment
The present invention is described in further details below with reference to Figure of description and specific embodiment.
Fig. 2 to Fig. 4 shows a kind of embodiment of propeller boss coupling arrangement of the present invention, including propeller boss 1, transmission shaft 2 and spline
4,1 bottom of propeller boss is equipped with conical surface a, and 2 one end of transmission shaft is installed with elastic ring 3, conical surface a is equipped at the top of elastic ring 3, and transmission shaft 2 is another
One end is equipped with conical surface a, and the conical surface a pressure of 1 bottom of propeller boss is equipped on the conical surface a of elastic ring 3 and the conical surface a of transmission shaft 2, and spline 4 is set
It sets between elastic ring 3 and the conical surface a of transmission shaft 2 and spline 4 connects propeller boss 1 and transmission shaft 2.The present invention is existing typical multiple
On the basis of closing coupling arrangement, cancel the elastic ring 3 close to bearing end, the function of elastic ring 3 is incorporated into propeller boss 1 and transmission respectively
In axis 2, propeller boss 1 and transmission shaft 2 are designed to the structure with conical surface a.The design scheme strengthens transmission shaft 2, simplifies structure,
Make more compact structure, lighter, more reliable, sealing performance is also improved.
In the present embodiment, the semi-cone angle of the conical surface a of transmission shaft 2 is b, 12.5 °≤b≤17 °, the half of the conical surface a of elastic ring 3
Cone angle is b+1 °.In the present embodiment, the semi-cone angle b of the conical surface a of transmission shaft 2 is set as 15 °, the semi-cone angle of the conical surface a of elastic ring 3
16 ° are set as, that is, is designed to that the cone angle of two conical surface a is inconsistent, two conical surface a designed before and after spline 4 can be made to combine more preferable,
It is easier to assemble and decompose.
In the present embodiment, transmission shaft 2 is provided with stop mounting plate 5 in the end close to elastic ring 3, on stop mounting plate 5
It is installed with the positioning component 6 for holding out against 3 outer end face of elastic ring.The positioning component 6 implements certain jacking force to elastic ring 3,
Elastic ring 3 can be made to fit closely with transmission shaft 2 and propeller boss 1.Stop mounting plate 5 can prevent positioning component 6 from loosening.
In the present embodiment, positioning component 6 includes positioning bolt 61 and location nut 62, and positioning bolt 61 is threaded through mounting plate
On 5, location nut 62 is threadedly coupled with positioning bolt 61 and holds out against the outer end face of elastic ring 3.In the structure, positioning bolt 61 is risen
To the effect of fastening location nut 62, location nut 62 is held out against with elastic ring 3 keeps elastic ring 3 and transmission shaft 2 and propeller boss 1 close
Fitting.
In the present embodiment, positioning component 6 further includes locking nut 63, and locking nut 63 is threadedly coupled simultaneously with positioning bolt 61
Between stop mounting plate 5 and the screw head of positioning bolt 61.In the structure, locking nut 63 can prevent positioning bolt 61 loose
It is dynamic, further improve tightening effect.
In the present embodiment, the first fuse 631 is provided on locking nut 63.First fuse 631 prevents locking screw
Mother 63 loosens.
In the present embodiment, the second fuse 611 is provided on positioning bolt 61.Second fuse 611 prevents positioning spiral shell
Bolt 61 loosens.
Although the present invention is disclosed as above with preferred embodiment, however, it is not intended to limit the invention.It is any to be familiar with ability
The technical staff in domain, without deviating from the scope of the technical scheme of the present invention, all using the technology contents pair of the disclosure above
Technical solution of the present invention makes many possible changes and modifications or equivalent example modified to equivalent change.Therefore, all
Without departing from the content of technical solution of the present invention, according to the present invention technical spirit any simple modification made to the above embodiment,
Equivalent variations and modification, all shall fall within the protection scope of the technical scheme of the invention.
Claims (7)
1. a kind of propeller boss coupling arrangement, including propeller boss (1), transmission shaft (2) and spline (4), propeller boss (1) bottom is equipped with the conical surface
(a), it is characterised in that: described transmission shaft (2) one end is installed with elastic ring (3), and the conical surface (a) is equipped at the top of the elastic ring (3),
Transmission shaft (2) other end is equipped with the conical surface (a), and the conical surface (a) of propeller boss (1) bottom is pressed in the cone equipped with elastic ring (3)
On the conical surface (a) of face (a) and transmission shaft (2), spline (4) setting elastic ring (3) and transmission shaft (2) the conical surface (a) it
Between and spline (4) connection propeller boss (1) and transmission shaft (2).
2. propeller boss coupling arrangement according to claim 1, it is characterised in that: the half cone of the conical surface (a) of the transmission shaft (2)
Angle is b, and 12.5 °≤b≤17 °, the semi-cone angle of the conical surface (a) of the elastic ring (3) is b+1 °.
3. propeller boss coupling arrangement according to claim 2, it is characterised in that: the transmission shaft (2) is in close to elastic ring (3)
End be provided with stop mounting plate (5), be installed on the stop mounting plate (5) for holding out against elastic ring (3) outer end face
Positioning component (6).
4. propeller boss coupling arrangement according to claim 3, it is characterised in that: the positioning component (6) includes positioning bolt
(61) it is threaded through on stop mounting plate (5) with location nut (62), the positioning bolt (61), the location nut (62) and fixed
Position bolt (61) is threadedly coupled and holds out against the outer end face of elastic ring (3).
5. propeller boss coupling arrangement according to claim 4, it is characterised in that: the positioning component (6) further includes locking screw
Female (63), the locking nut (63) are threadedly coupled with positioning bolt (61) and are located at stop mounting plate (5) and positioning bolt
(61) between screw head.
6. propeller boss coupling arrangement according to claim 5, it is characterised in that: be provided with first on the locking nut (63)
Fuse (631).
7. propeller boss coupling arrangement according to claim 4 or 5, it is characterised in that: be provided on the positioning bolt (61)
Second fuse (611).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811381118.8A CN109281948B (en) | 2018-11-20 | 2018-11-20 | Shaft hub connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811381118.8A CN109281948B (en) | 2018-11-20 | 2018-11-20 | Shaft hub connecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109281948A true CN109281948A (en) | 2019-01-29 |
| CN109281948B CN109281948B (en) | 2024-04-30 |
Family
ID=65176067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811381118.8A Active CN109281948B (en) | 2018-11-20 | 2018-11-20 | Shaft hub connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109281948B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB651603A (en) * | 1948-09-02 | 1951-04-04 | P R Motors Ltd | Means for mounting a hub on a shaft |
| GB913812A (en) * | 1958-07-04 | 1962-12-28 | Ass Elect Ind | Self-centralising mounting for rotor wheels on rotating shafts |
| US3374015A (en) * | 1965-07-22 | 1968-03-19 | Houdaille Industries Inc | Method of coupling shaft to arm to transmit torque and moment which are not coplanar |
| JP2011226587A (en) * | 2010-04-21 | 2011-11-10 | Ntn Corp | Sliding constant velocity universal joint |
| CN102588453A (en) * | 2012-03-21 | 2012-07-18 | 中国航空动力机械研究所 | Shaft transmission gear |
| CN103644189A (en) * | 2013-11-28 | 2014-03-19 | 江西洪都航空工业集团有限责任公司 | Connecting structure allowing adjusting of undercarriage actuator cylinder length and with locking function |
| CN209115553U (en) * | 2018-11-20 | 2019-07-16 | 中国航发中传机械有限公司 | A kind of propeller boss coupling arrangement |
-
2018
- 2018-11-20 CN CN201811381118.8A patent/CN109281948B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB651603A (en) * | 1948-09-02 | 1951-04-04 | P R Motors Ltd | Means for mounting a hub on a shaft |
| GB913812A (en) * | 1958-07-04 | 1962-12-28 | Ass Elect Ind | Self-centralising mounting for rotor wheels on rotating shafts |
| US3374015A (en) * | 1965-07-22 | 1968-03-19 | Houdaille Industries Inc | Method of coupling shaft to arm to transmit torque and moment which are not coplanar |
| JP2011226587A (en) * | 2010-04-21 | 2011-11-10 | Ntn Corp | Sliding constant velocity universal joint |
| CN102588453A (en) * | 2012-03-21 | 2012-07-18 | 中国航空动力机械研究所 | Shaft transmission gear |
| CN103644189A (en) * | 2013-11-28 | 2014-03-19 | 江西洪都航空工业集团有限责任公司 | Connecting structure allowing adjusting of undercarriage actuator cylinder length and with locking function |
| CN209115553U (en) * | 2018-11-20 | 2019-07-16 | 中国航发中传机械有限公司 | A kind of propeller boss coupling arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109281948B (en) | 2024-04-30 |
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