CN106679976A - Shimmy displacement loading test device for tail rotor steady bearing - Google Patents
Shimmy displacement loading test device for tail rotor steady bearing Download PDFInfo
- Publication number
- CN106679976A CN106679976A CN201611068405.4A CN201611068405A CN106679976A CN 106679976 A CN106679976 A CN 106679976A CN 201611068405 A CN201611068405 A CN 201611068405A CN 106679976 A CN106679976 A CN 106679976A
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- Prior art keywords
- bearing
- stand
- shimmy
- housing
- tail
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
- G01M13/045—Acoustic or vibration analysis
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a shimmy displacement loading test device for a tail rotor steady bearing. The shimmy displacement loading test device comprises a rack, a connecting outer frame, a rear bearing outer frame component, a rolling loading device and a shimmy loading device, wherein the rack comprises a first rack seat and a second rack seat; the connecting outer frame is arranged between the first rack seat and the second rack seat and connected with the first rack seat and the second rack seat through needle bearings; the rear bearing outer frame component is arranged on one side, away from the second rack seat, of the first rack seat or on one side, away from the first rack seat, of the second rack seat and connected with the connecting outer frame through a double-direction thrust ball bearing; the rolling loading device is provided with a rolling loading end connected with the connecting outer frame; the shimmy loading device is provided with a shimmy loading end connected with the rear bearing outer frame component. By the shimmy displacement loading test device, the shimmy displacement loading of the helicopter tail rotor steady bearing can be achieved.
Description
Technical field
The present invention relates to helicopter tail rotor spring bearing fatigue test technology field, more particularly to a kind of tail-rotor support shaft
Hold shimmy displacement load testing machine.
Background technology
Tail-rotor spring bearing is tail-rotor leaf vitals, while to bear waving angular displacement and tail-rotor leaf from flexible beam
Oversleeve housing passes to its displacement angular displacement and shimmy displacement of the lines.In order to grasp tail-rotor spring bearing fatigue behaviour, need
Ground carries out fatigue test in the face of tail-rotor spring bearing, grasps tail-rotor spring bearing fatigue properties, and then provides tail-rotor spring bearing
Life-span.
At present, China's tail-rotor spring bearing fatigue experimental device can only carry out displacement angular movement and wave angular movement, it is impossible to
Carry out shimmy displacement loading simultaneously.
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 shimmy displacement load testing machine of tail-rotor spring bearing is overcoming or at least
Mitigate prior art at least one of drawbacks described above.
For achieving the above object, the present invention provides a kind of tail-rotor spring bearing shimmy displacement load testing machine, the tail
The shimmy displacement load testing machine of oar spring bearing includes：Stand, the stand includes two First stands for being separated by setting
And the second stand seat；Connection housing, the connection housing is arranged between the First stand and the second stand seat, institute
State connection housing to be connected with the First stand and the second stand seat by needle bearing；Afterwards bearing outer frame members, described
Afterwards bearing outer frame members be arranged on the First stand away from the second stand seat side or the second stand seat away from institute
State the side of First stand and connected by double-direction thrust ball bearing with the connection housing；Rolling charger, the rolling
Turn charger with a rolling loading end, the rolling loading end and the connection housing connection；Shimmy charger, institute
Shimmy charger is stated with a shimmy loading end, the shimmy loading end is connected with the rear bearing outer frame members；Wherein,
The connection housing is used to install tail-rotor spring bearing；The rolling charger is used to provide a rolling for the connection housing
Turn power, so that the connection housing rolling；The shimmy charger is used to provide one along described for the connection housing
The reciprocating force of the axis direction of connection housing, so that the connection housing is moved in the direction.
Preferably, the connection housing includes first support bar, tail-rotor spring bearing installing frame and second support bar, institute
The one end for stating first support bar is connected with the side of the tail-rotor spring bearing installing frame, and the other end passes through the First stand
And be connected by the first needle bearing with the First stand；One end of the second support bar and the tail-rotor spring bearing
The opposite side connection relative with the side of first support bar connection of installing frame, the other end of the second support bar is passed through
The second stand seat is simultaneously connected with the second stand seat by the second needle bearing；The rear bearing outer frame members with it is described
The part through the second stand seat of the second support bar of connection housing is connected by double-direction thrust ball bearing；The rolling
Loading end is connected with the part through the First stand of the first support bar；The shimmy loading end and the rear axle
Hold outer frame members connection.
Preferably, needle bearing seat is provided with the First stand, for housing the needle bearing；Described second
Needle bearing seat is provided with stand seat, for housing the needle bearing.
Preferably, the rear bearing outer frame members include：Clutch shaft bearing housing, the clutch shaft bearing housing is logical with one
Hole, the double-direction thrust ball bearing is arranged in the through hole of the clutch shaft bearing housing；Second bearing housing, the second bearing
Housing has a peristome, and the second bearing housing is used for the clutch shaft bearing housing bolt connection, the peristome
Against the second support bar, and by being connected with the second support bar with tight nut.
Preferably, the rear bearing outer frame members further include front baffle ring, and the front ring set is supported described second
On bar and with the fore bearing housing against.
Preferably, the rear bearing outer frame members further include rear baffle ring, and the rear baffle ring is enclosed within the second bearing
On housing.
Preferably, it is provided with oil filler point on the double-direction thrust ball bearing.
Preferably, the First stand is provided with oil filler point, the oil filler point be arranged on the First stand
The needle bearing outer ring connection；Affiliated second stand seat is provided with oil filler point, the oil filler point be arranged on described second
Needle bearing outer ring connection on stand seat.
Preferably, the shimmy displacement load testing machine of the tail-rotor spring bearing further includes needle bearing end cap, institute
Needle bearing end cap is stated for two, one of them be arranged on the side of the First stand and be arranged on first stand
Needle bearing connection on seat；Another be arranged on the side of the second stand seat and be arranged on second stand
Needle bearing connection on seat.
Preferably, the stand further includes support platform, and the First stand and the second stand seat set
Put in the support platform.
It is shimmy that the shimmy displacement load testing machine of tail-rotor spring bearing of the present invention realizes helicopter tail rotor spring bearing
Displacement is loaded.The shimmy displacement load testing machine of tail-rotor spring bearing can not affect to wave can be real while angular displacement is loaded
Now to the loading of shimmy displacement of the lines, the precision with higher test and work efficiency.
Description of the drawings
Fig. 1 is the structural representation of the shimmy displacement load testing machine of tail-rotor spring bearing according to a first embodiment of the present invention
Figure.
Reference：
| 1 | Stand | 22 | Tail-rotor spring bearing installing frame |
| 11 | First stand | 23 | Second support bar |
| 12 | Second stand seat | 5 | Needle bearing |
| 2 | Connection housing | 31 | Clutch shaft bearing housing |
| 3 | Bearing outer frame members afterwards | 32 | Second bearing housing |
| 4 | Double-direction thrust ball bearing | ||
| 21 | First support bar |
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 that member is obtained under the premise of creative work is not made, 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 the shimmy displacement load testing machine of tail-rotor spring bearing according to a first embodiment of the present invention
Figure.
The shimmy displacement load testing machine of tail-rotor spring bearing as shown in Figure 1 includes stand 1, connection housing 2, rear bearing
Outer frame members 3, rolling charger and shimmy charger, stand 1 include two First stands 11 for being separated by setting with
And the second stand seat 12；Connection housing 2 is arranged between the stand seat 12 of First stand 11 and second, and connection housing 2 passes through
Needle bearing is connected with the stand seat 12 of First stand 11 and second；Afterwards to be arranged on First stand remote for bearing outer frame members 3
From the side of the second stand seat or the second stand seat away from the side of First stand and be connected housing 2 by two-way thrust ball
Bearing 4 connects；Rolling charger has a rolling loading end, and rolling loading end connects with housing 2 is connected；It is shimmy plus carry
Put with a shimmy loading end, shimmy loading end is connected with rear bearing outer frame members 3；Wherein, connecting housing is used to install tail
Oar spring bearing；Rolling charger is used to provide a rolling power to connect housing, so that connection housing rolling；It is shimmy to add
Carry and put for connect the reciprocating force that housing provides an axis direction along connection housing, so that connection housing is in the party
To motion.
It is shimmy that the shimmy displacement load testing machine of tail-rotor spring bearing of the present invention realizes helicopter tail rotor spring bearing
Displacement is loaded.The shimmy displacement load testing machine of tail-rotor spring bearing can not affect to wave can be real while angular displacement is loaded
Now to the loading of shimmy displacement of the lines, the precision with higher test and work efficiency.
Referring to Fig. 1, in the present embodiment, connection housing include first support bar 21, tail-rotor spring bearing installing frame 22 with
And second support bar 23, one end of first support bar 21 is connected with the side of tail-rotor spring bearing installing frame 22, and the other end is passed through
First stand 11 is simultaneously connected with First stand 11 by needle bearing；One end of second support bar 23 and tail-rotor spring bearing
The opposite side connection relative with the side of the connection of first support bar 21 of installing frame 22, the other end of second support bar 23 is through the
Two stand seats 12 are simultaneously connected with the second stand seat 12 by needle bearing 5；Afterwards bearing outer frame members 3 be connected the second of housing 2
The part through the second stand seat 12 of support bar 23 is connected by double-direction thrust ball bearing；Rolling loading end and first support bar
Through First stand part connect；Shimmy loading end is connected with rear bearing outer frame members.
Referring to Fig. 1, in the present embodiment, needle bearing seat is provided with First stand 11, for housing needle bearing；
Needle bearing seat is provided with second stand seat 12, for housing needle bearing.
Referring to Fig. 1, in the present embodiment, rear bearing outer frame members include clutch shaft bearing housing 31 and second bearing housing
32, clutch shaft bearing housing 31 has a through hole, and double-direction thrust ball bearing 4 is arranged in the through hole of clutch shaft bearing housing；Second
Bearing housing 32 has a peristome, second bearing housing and clutch shaft bearing housing bolt connection, and peristome is used for against the
Two support bars, and by being connected with second support bar with tight nut.
Referring to Fig. 1, in the present embodiment, rear bearing outer frame members further include front baffle ring, and front ring set is at second
On strut and with fore bearing housing against.Increase before baffle ring can the shimmy displacement load testing machine of tail-rotor spring bearing enter
Second support bar and fore bearing housing Joint failure are prevented during row test.
Referring to Fig. 1, in the present embodiment, rear bearing outer frame members further include rear baffle ring, and rear baffle ring is enclosed within the second axle
Hold on housing.After increase baffle ring can the shimmy displacement load testing machine of tail-rotor spring bearing tested when prevent second
Bearing housing and clutch shaft bearing housing Joint failure.
In the present embodiment, oil filler point (not shown) is provided with double-direction thrust ball bearing.Increasing oil filler point can
It is lubricated for double-direction thrust ball bearing.
In the present embodiment, First stand is provided with oil filler point, oil filler point and the needle roller being arranged on First stand
Bearing outer ring is connected；Second stand seat is provided with oil filler point, oil filler point and the needle bearing outer ring being arranged on the second stand seat
Connection.Using this structure, can be lubricated for needle bearing.
In the present embodiment, the shimmy displacement load testing machine of tail-rotor spring bearing further includes needle bearing end cap,
Needle bearing end cap be two, one of them be arranged on the side of First stand and with the needle roller being arranged on First stand
Bearing connects；Another is arranged on the side of the second stand seat and is connected with the needle bearing being arranged on the second stand seat.Increase
Plus needle bearing end cap can make needle bearing installation more firm.
In the present embodiment, the stand further includes support platform, the First stand and described second
Stand is arranged in the support platform
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 with reference to the foregoing embodiments to the present invention, it will be understood by those within the art that：It is still
Technical scheme described in foregoing embodiments can be modified, or equivalent is carried out to which part technical characteristic and replaced
Change；And these modifications or replacement, do not make the essence of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution
God and scope.
Claims (10)
1. a kind of shimmy displacement load testing machine of tail-rotor spring bearing, it is characterised in that the shimmy position of the tail-rotor spring bearing
Moving load testing machine includes：
Stand (1), the stand (1) includes two First stands (11) for being separated by setting and the second stand seat (12)；
Connection housing (2), connection housing (2) be arranged on the First stand (11) and the second stand seat (12) it
Between, connection housing (2) is connected by needle bearing with the First stand (11) and the second stand seat (12)；
Bearing outer frame members (3) afterwards, the rear bearing outer frame members (3) are arranged on the First stand away from described second
The side of stand or the second stand seat away from the First stand side and with connection housing (2) by bidirectional propulsion
Ball bearing (4) connects；
Rolling charger, the rolling charger has a rolling loading end, the rolling loading end and the connection
Housing (2) connects；
Shimmy charger, the shimmy charger has a shimmy loading end, the shimmy loading end and the rear axle
Hold outer frame members (3) connection；Wherein,
The connection housing is used to install tail-rotor spring bearing；The rolling charger is used to provide one for the connection housing
Individual rolling power, so that the connection housing rolling；The shimmy charger is used to provide an edge for the connection housing
The reciprocating force of the axis direction of the connection housing, so that the connection housing is moved in the direction.
2. the shimmy displacement load testing machine of tail-rotor spring bearing as claimed in claim 1, it is characterised in that outside the connection
Frame includes first support bar (21), tail-rotor spring bearing installing frame (22) and second support bar (23), the first support bar
(21) one end is connected with the side of the tail-rotor spring bearing installing frame (22), and the other end passes through the First stand (11)
And be connected by needle bearing with the First stand (11)；One end of the second support bar (23) supports with the tail-rotor
The opposite side connection relative with the side of the first support bar (21) connection of bearing installing frame (22), the second support bar
(23) the other end by needle bearing (5) is connected through the second stand seat (12) and with the second stand seat (12)；
The rear bearing outer frame members (3) are with the second support bar (23) of connection housing (2) through second stand
The part of seat (12) is connected by double-direction thrust ball bearing；
The rolling loading end is connected with the part through the First stand of the first support bar；
The shimmy loading end is connected with the rear bearing outer frame members.
3. the shimmy displacement load testing machine of tail-rotor spring bearing as claimed in claim 2, it is characterised in that the First
Needle bearing seat is provided with stand (11), for housing the needle bearing；Rolling is provided with the second stand seat (12)
Needle shaft bearing, for housing the needle bearing.
4. the shimmy displacement load testing machine of tail-rotor spring bearing as claimed in claim 3, it is characterised in that the rear bearing
Outer frame members include：
Clutch shaft bearing housing (31), the clutch shaft bearing housing (31) sets with a through hole, the double-direction thrust ball bearing (4)
Put in the through hole of the clutch shaft bearing housing；
Second bearing housing (32), the second bearing housing (32) is with a peristome, the second bearing housing and institute
State clutch shaft bearing housing bolt connection, the peristome is used for against the second support bar, and by with tight nut with it is described
Second support bar connects.
5. the shimmy displacement load testing machine of tail-rotor spring bearing as claimed in claim 4, it is characterised in that the rear bearing
Outer frame members further include front baffle ring, and the front ring set is supported in the second support bar and with the fore bearing housing
Lean on.
6. the shimmy displacement load testing machine of tail-rotor spring bearing as claimed in claim 5, it is characterised in that the rear bearing
Outer frame members further include rear baffle ring, and the rear baffle ring is enclosed within the second bearing housing.
7. the shimmy displacement load testing machine of tail-rotor spring bearing as claimed in claim 6, it is characterised in that the Bidirectional pulling
Oil filler point is provided with power ball bearing.
8. the shimmy displacement load testing machine of tail-rotor spring bearing as claimed in claim 7, it is characterised in that the First
Stand is provided with oil filler point, and the oil filler point is connected with the needle bearing outer ring being arranged on the First stand；Institute
State the second stand seat and be provided with oil filler point, the oil filler point and the needle bearing outer ring being arranged on the second stand seat
Connection.
9. the shimmy displacement load testing machine of tail-rotor spring bearing as claimed in claim 8, it is characterised in that the tail-rotor
The shimmy displacement load testing machine of support bearing further includes needle bearing end cap, and the needle bearing end cap is two, wherein
One is arranged on the side of the First stand and is connected with the needle bearing being arranged on the First stand；Separately
One is arranged on the side of the second stand seat and is connected with the needle bearing being arranged on the second stand seat.
10. the shimmy displacement load testing machine of tail-rotor spring bearing as claimed in claim 9, it is characterised in that the stand
Support platform is further included, the First stand and the second stand seat are arranged in the support platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611068405.4A CN106679976B (en) | 2016-11-29 | 2016-11-29 | A kind of shimmy displacement load testing machine of tail-rotor spring bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611068405.4A CN106679976B (en) | 2016-11-29 | 2016-11-29 | A kind of shimmy displacement load testing machine of tail-rotor spring bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106679976A true CN106679976A (en) | 2017-05-17 |
| CN106679976B CN106679976B (en) | 2019-02-26 |
Family
ID=58866919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611068405.4A Active CN106679976B (en) | 2016-11-29 | 2016-11-29 | A kind of shimmy displacement load testing machine of tail-rotor spring bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106679976B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4089211A (en) * | 1976-11-01 | 1978-05-16 | United Technologies Corporation | Elastomeric bearing test machine |
| CN1818599A (en) * | 2006-03-17 | 2006-08-16 | 燕山大学 | Apparatus for testing fatigue strength of axial hinge bearing of helicopter |
| WO2007034867A1 (en) * | 2005-09-21 | 2007-03-29 | Jtekt Corporation | Acoustic emission measuring device, power transmission device, and rolling bearing device |
| CN101363770A (en) * | 2008-10-08 | 2009-02-11 | 燕山大学 | Fatigue-tesing machine for ball socket bearing of helicopter main rotor |
| WO2011062639A3 (en) * | 2009-11-23 | 2011-10-20 | Lord Corporation | A rotary wing aircraft bearing for rotary wing aircraft motions |
| CN102235943A (en) * | 2010-05-06 | 2011-11-09 | 中国商用飞机有限责任公司 | Loading test device |
| JP2014178216A (en) * | 2013-03-15 | 2014-09-25 | Railway Technical Research Institute | Sliding friction evaluation test device |
| CN104215458A (en) * | 2014-08-26 | 2014-12-17 | 中国直升机设计研究所 | Helicopter tail rotor supporting bearing fatigue test device |
| CN104236906A (en) * | 2014-08-26 | 2014-12-24 | 中国直升机设计研究所 | Device for testing radial rigidity of tail rotor steady bearings |
| CN104792532A (en) * | 2015-04-28 | 2015-07-22 | 中国船舶重工集团公司第七一一研究所 | Marine thrust bearing equipment test apparatus |
-
2016
- 2016-11-29 CN CN201611068405.4A patent/CN106679976B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4089211A (en) * | 1976-11-01 | 1978-05-16 | United Technologies Corporation | Elastomeric bearing test machine |
| WO2007034867A1 (en) * | 2005-09-21 | 2007-03-29 | Jtekt Corporation | Acoustic emission measuring device, power transmission device, and rolling bearing device |
| CN1818599A (en) * | 2006-03-17 | 2006-08-16 | 燕山大学 | Apparatus for testing fatigue strength of axial hinge bearing of helicopter |
| CN101363770A (en) * | 2008-10-08 | 2009-02-11 | 燕山大学 | Fatigue-tesing machine for ball socket bearing of helicopter main rotor |
| WO2011062639A3 (en) * | 2009-11-23 | 2011-10-20 | Lord Corporation | A rotary wing aircraft bearing for rotary wing aircraft motions |
| CN102235943A (en) * | 2010-05-06 | 2011-11-09 | 中国商用飞机有限责任公司 | Loading test device |
| JP2014178216A (en) * | 2013-03-15 | 2014-09-25 | Railway Technical Research Institute | Sliding friction evaluation test device |
| CN104215458A (en) * | 2014-08-26 | 2014-12-17 | 中国直升机设计研究所 | Helicopter tail rotor supporting bearing fatigue test device |
| CN104236906A (en) * | 2014-08-26 | 2014-12-24 | 中国直升机设计研究所 | Device for testing radial rigidity of tail rotor steady bearings |
| CN104792532A (en) * | 2015-04-28 | 2015-07-22 | 中国船舶重工集团公司第七一一研究所 | Marine thrust bearing equipment test apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106679976B (en) | 2019-02-26 |
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