CN109520736A - A kind of spring bearing durability test device - Google Patents
A kind of spring bearing durability test device Download PDFInfo
- Publication number
- CN109520736A CN109520736A CN201811340585.6A CN201811340585A CN109520736A CN 109520736 A CN109520736 A CN 109520736A CN 201811340585 A CN201811340585 A CN 201811340585A CN 109520736 A CN109520736 A CN 109520736A
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- spring bearing
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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
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The application belongs to bearing-less tail rotor spring bearing experimental technique field, and in particular to a kind of spring bearing durability test device, comprising: attachment device, for fixing spring bearing testpieces；Loading device is waved, is connect with attachment device, for waving load for the application of spring bearing testpieces；Vertical loading device, connect with attachment device, for applying vertical load for spring bearing testpieces；Displacement loading device, connect with attachment device, for applying displacement load for spring bearing testpieces.It can be realized to spring bearing testpieces while load, vertical load and displacement load are waved in load, true to simulate spring bearing side loaded state in helicopter flight, and then verifies the durability of spring bearing testpieces.
Description
Technical field
The application belongs to bearing-less tail rotor spring bearing experimental technique field, and in particular to a kind of spring bearing durability examination
Experiment device.
Background technique
During helicopter flight, bearing-less tail rotor is to keep aircraft balanced and auxiliary pushing aircraft flight, is generated huge
Big vertical load waves load and displacement load, and three of the above load acts on spring bearing simultaneously.
Spring bearing is the important load bearing component on helicopter tail rotor, obtains its durability to the safe flight of helicopter extremely
It fastens and wants, the vertical load that is generated due to bearing-less tail rotor, to wave load, displacement load complicated and changeable, and is transferred to branch simultaneously
Bearing is supportted, the loading conditions for causing it to bear are extremely complex.Existing durability test device, can not accurate simulation helicopter fly
Spring bearing bears vertical load, waves the loaded state of load, displacement load during row, and then cannot be accurately obtained it
Durability under the loaded state.
Currently, it is desirable to have a kind of technical solution overcomes or at least mitigates at least one drawbacks described above of the prior art.
Summary of the invention
The purpose of the application is to provide a kind of spring bearing durability test device, to overcome or alleviated by above-mentioned at least one party
The defect in face.
The technical solution of the application is:
A kind of spring bearing durability test device, comprising:
Attachment device, for fixing spring bearing testpieces；
Loading device is waved, is connect with attachment device, for waving load for the application of spring bearing testpieces；
Vertical loading device, connect with attachment device, for applying vertical load for spring bearing testpieces；
Displacement loading device, connect with attachment device, for applying displacement load for spring bearing testpieces.
According at least one embodiment of the application, attachment device includes:
Frame is connected, for fixing spring bearing testpieces, inner space is connection space；
Connecting shaft passes through connection space, radially offers connection through-hole thereon；Connection through-hole is for fixing spring bearing
Connector, and its axis and the axis of connecting shaft and meet at a bit, which is known as tie point.
According at least one embodiment of the application, waving loading device includes:
Wave pedestal；
Two wave supporting plate, are fixedly connected with pedestal is waved, and offer wave through-hole thereon；
Two flapping axis, one end of one of flapping axis pass through the outer connection waved through-hole with connect frame one side,
Connect frame this when being known as first and waving；Through-hole is waved across another and is waved with frame second is connect in one end of another flapping axis
The outer connection on side is waved, second waves one side when waving on for connection frame far from first；Two flapping axis can be around itself axis
Line rotation, and its axis passes through tie point；
Wave handle, one end is connected with a flapping axis far from the one end for connect frame, the other end for wave power and set
Standby connection, to drive flapping axis connected to it to rotate.
According at least one embodiment of the application, waving loading device further includes having two to wave bearing, wherein one is waved
Dance bearing setting is waved in through-hole at one, another is waved bearing setting and waves in through-hole at another.
According at least one embodiment of the application, Vertical loading device includes:
Vertical loading axis, one end with Vertical loading power-equipment for connecting；
Vertical loading plate, one side surface are connect with the other end of Vertical loading axis；
Two vertical connecting plates connect with another side surface of Vertical loading plate, and offer Vertical loading through-hole thereon；Its
In,
Frame is connected to be arranged between two vertical connecting plates；
One end of connecting shaft is arranged in a Vertical loading through-hole, and the other end is arranged in another Vertical loading through-hole
In.
According at least one embodiment of the application, the axis of Vertical loading axis passes through tie point.
According at least one embodiment of the application, two vertical connecting plates are symmetrical about joint face, joint face and connecting shaft
Axis is vertical, and tie point is located on joint face.
According at least one embodiment of the application, displacement loading device includes displacement handle；
Vertical loading through-hole where one end of connecting shaft passes through it is connect with one end of displacement handle；
The other end of displacement handle with displacement power-equipment for connecting, to drive connecting shaft to rotate.
According at least one embodiment of the application, displacement loading device further includes having two pitch bearings, wherein a change
It is arranged in a Vertical loading through-hole away from bearing, another pitch bearing is arranged in another Vertical loading through-hole.
According at least one embodiment of the application, attachment device further includes having two work shape plates, wherein the two of a work plate
Side wall and the inner wall on the first connection side for connecting frame abut, the two sidewalls of another work shape plate second connect side with connect frame
Inner wall abuts；Wherein,
First connection is while to connect when frame is waved with first and second one side that wave side adjacent；
Second connection is while to connect when frame is waved with first and the second another side that wave side adjacent；
Spring bearing testpieces includes two spring bearings, and each spring bearing includes sequentially connected big metal joint, gold
Belong to rubber lamination, small metal joint, wherein for big metal joint tool there are three counterbore, small metal joint has convex shoulder；Wherein,
One spring bearing connects the one side wall that bolt is screw-coupled to a work shape plate by three first, and convex shoulder is inserted thereon
Enter to connect one end of through-hole；Wherein, each first connection bolt passes through a counterbore of the spring bearing；
Another spring bearing connects the one side wall that bolt is screw-coupled to another work shape plate, and convex shoulder thereon by three second
The other end of insertion connection through-hole；Wherein, each second connection bolt passes through a counterbore of the spring bearing；
The side wall that two work shape plates and spring bearing testpieces are spirally connected is in the same side.
At least there are following advantageous effects in the application: providing a kind of spring bearing durability test device, energy
It is enough by wave loading device, Vertical loading device and displacement loading device realize to spring bearing testpieces wave load,
The load of vertical load and displacement load, and load while can realize above-mentioned three kinds of load, really simulate spring bearing
The side loaded state in helicopter flight, and then verify the durability of spring bearing testpieces.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of spring bearing durability test device provided by the embodiments of the present application；
Fig. 2 is the structural schematic diagram of spring bearing provided by the embodiments of the present application；
Fig. 3 is sectional view of the spring bearing durability test device provided by the embodiments of the present application along flapping axis axial direction.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related application, rather than the restriction to this application.It also should be noted that in order to
Convenient for description, part relevant to the application is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It should be noted that in the description of the present application, term " center ", "upper", "lower", "left", "right", "vertical",
The direction of the instructions such as "horizontal", "inner", "outside" or the term of positional relationship are direction based on the figure or positional relationship, this
It is intended merely to facilitate description, rather than indication or suggestion described device or element must have a particular orientation, with specific
Orientation construction and operation, therefore should not be understood as the limitation to the application.In addition, term " first ", " second ", " third " are only used
In description purpose, it is not understood to indicate or imply relative importance.
In addition it is also necessary to explanation, in the description of the present application unless specifically defined or limited otherwise, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.To those skilled in the art, it can understand that above-mentioned term exists as the case may be
Concrete meaning in the application.
1 to Fig. 3 the application is described in further details with reference to the accompanying drawing.
A kind of spring bearing durability test device, comprising:
Attachment device, for fixing spring bearing testpieces；
Loading device is waved, is connect with attachment device, for waving load for the application of spring bearing testpieces；
Vertical loading device, connect with attachment device, for applying vertical load for spring bearing testpieces；
Displacement loading device, connect with attachment device, for applying displacement load for spring bearing testpieces.
In some alternative embodiments, attachment device includes: connection frame 11, for fixing spring bearing testpieces,
Inner space is connection space；Connecting shaft 12 passes through connection space, radially offers connection through-hole thereon；Through-hole is connected to use
It in fixed spring bearing connector, and the axis of its axis and connecting shaft 12 and meets at a bit, which is known as tie point.
In some alternative embodiments, waving loading device includes: to wave pedestal 21；Two wave supporting plate 22, and wave
Pedestal 21 is fixedly connected, and offers wave through-hole thereon；One end of two flapping axis 23, one of flapping axis 23 passes through one
A outer waved through-hole and connect 11 one side of frame connects, connect frame 11 this when being known as first and waving；Another flapping axis
23 one end pass through another wave through-hole with connect frame 11 second wave side outer connect, second wave side be connect frame 11
Upper one side that side is waved far from first；Two flapping axis 33 can be around own axis, and its axis passes through tie point；Wave handle
24, one end and a flapping axis 23 are connected far from the one end for connect frame 11, the other end for wave power-equipment and connect, with
Flapping axis 23 connected to it is driven to rotate.
In some alternative embodiments, waving loading device further includes having two to wave bearing 25, wherein a flapping axis
It holds 25 settings to wave in through-hole at one, another is waved the setting of bearing 25 and waves in through-hole at another.
In some alternative embodiments, Vertical loading device includes: Vertical loading axis 31, and one end is used for and Vertical loading
Power-equipment connection；Vertical loading plate 32, one side surface are connect with the other end of Vertical loading axis 31；Two vertical connecting plates 33,
It is connect with another side surface of Vertical loading plate 32, and offers Vertical loading through-hole thereon；Wherein, the setting of connection frame 11 exists
Between two vertical connecting plates 33；One end of connecting shaft 12 is arranged in a Vertical loading through-hole, and other end setting is hung down at another
In straight load through-hole.
In some alternative embodiments, the axis of Vertical loading axis 31 passes through tie point.
In some alternative embodiments, two vertical connecting plates 33 are symmetrical about joint face, the axis of joint face and connecting shaft 12
Line is vertical, and tie point is located on joint face.
In some alternative embodiments, displacement loading device includes displacement handle 41；One end of connecting shaft 12 passes through its institute
Vertical loading through-hole connect with one end of displacement handle 41；The other end of displacement handle 41 is used to connect with displacement power-equipment,
To drive connecting shaft to rotate.
In some alternative embodiments, displacement loading device further includes having two pitch bearings 42, wherein a pitch change axes
42 settings are held in a Vertical loading through-hole, another pitch bearing 42 is arranged in another Vertical loading through-hole.
In some alternative embodiments, attachment device further includes having two work shape plates 13, wherein the two sides of a work plate 13
Wall is abutted with the inner wall on the first connection side for connecting frame 11, the two sidewalls of another work shape plate 13 and the second connection for connecting frame 11
The inner wall on side abuts；Wherein,
First connection is while to connect when frame 11 is waved with first and second one side that wave side adjacent；
Second connection is while to connect when frame 11 is waved with first and the second another side that wave side adjacent；
Spring bearing testpieces includes two spring bearings 5, and each spring bearing 5 includes sequentially connected big metal joint
51, metal-rubber lamination 52, small metal joint 53, wherein there are three counterbore, small metal joint 53 has the big tool of metal joint 51
Convex shoulder 54；Wherein,
One spring bearing 5 connects the one side wall that bolt is screw-coupled to a work shape plate 13 by three first, and its is convex
One end of the insertion connection through-hole of shoulder 51；Wherein, each first connection bolt passes through a counterbore of the spring bearing 5；
Another spring bearing 5 connects the one side wall that bolt is screw-coupled to another work shape plate 13 by three second, and thereon
The other end of the insertion connection through-hole of convex shoulder 51；Wherein, each second connection bolt passes through a counterbore of the spring bearing 5；
Two work shape plates 13 are in the same side with the side wall that spring bearing testpieces is spirally connected.
Those skilled in the art can wave 21 4 angles of pedestal in the above-mentioned spring bearing durability test device of application
Position open up bolt apertures, by pass through bolt apertures bolt experimental rig is fixed on testing stand, set by waving power
Standby, Vertical Dynamic equipment and displacement power-equipment are waved load, vertical load, displacement to the application of spring bearing testpieces and are carried
Lotus completes the verifying to spring bearing testpieces durability.
So far, it has been combined preferred embodiment shown in the drawings and describes the technical solution of the application, still, this field
Technical staff is it is easily understood that the protection scope of the application is expressly not limited to these specific embodiments.Without departing from this
Under the premise of the principle of application, those skilled in the art can make equivalent change or replacement to the relevant technologies feature, these
Technical solution after change or replacement is fallen within the protection scope of the application.
Claims (10)
1. a kind of spring bearing durability test device characterized by comprising
Attachment device, for fixing spring bearing testpieces；
Loading device is waved, is connect with the attachment device, for waving load for spring bearing testpieces application；
Vertical loading device is connect with the attachment device, for applying vertical load for the spring bearing testpieces；
Displacement loading device is connect with the attachment device, for applying displacement load for the spring bearing testpieces.
2. experimental rig according to claim 1, which is characterized in that the attachment device includes:
It connects frame (11), for fixing the spring bearing testpieces, inner space is connection space；
Connecting shaft (12) passes through the connection space, radially offers connection through-hole thereon；The connection through-hole is for fixing
The spring bearing connector, and the axis of its axis and the connecting shaft (12) and meet at a bit, which is known as tie point.
3. experimental rig according to claim 2, which is characterized in that the loading device of waving includes:
Wave pedestal (21)；
Two wave supporting plate (22), are fixedly connected with the pedestal (21) of waving, and offer wave through-hole thereon；
Two flapping axis (23), one end of one of them flapping axis (23) pass through one described in wave through-hole and the connection frame
(11) the outer connection on one side, this of connection frame (11) is when being known as first and waving；Another flapping axis (23)
One end is connected across the outer that through-hole and the connection frame (11) second wave side is waved described in another, and described second waves side
For the one side for waving side far from described first on connection frame (11)；Two flapping axis (33) can turn around own axes
It is dynamic, and its axis passes through the tie point；
It waves handle (24), one end is connected with a flapping axis (23) far from one end of connection frame (11), the other end
For with wave power-equipment and connect, to drive the flapping axis (23) connected to it to rotate.
4. experimental rig according to claim 3, which is characterized in that the loading device of waving further includes having two flapping axis
Hold (25), wherein wave bearing (25) setting described in one and wave in through-hole described in one, wave bearing described in another
(25) setting is waved in through-hole described in another.
5. experimental rig according to claim 2, which is characterized in that the Vertical loading device includes:
Vertical loading axis (31), one end with Vertical loading power-equipment for connecting；
Vertical loading plate (32), one side surface are connect with the other end of the Vertical loading axis (31)；
Two vertical connecting plates (33), connect with another side surface of the Vertical loading plate (32), and offer vertical add thereon
Carry through-hole；Wherein,
The connection frame (11) is arranged between the two vertical connecting plates (33)；
One end of the connecting shaft (12) is arranged in a Vertical loading through-hole, and other end setting is described vertical at another
In straight load through-hole.
6. experimental rig according to claim 5, which is characterized in that described in the axis of the Vertical loading axis (31) passes through
Tie point.
7. experimental rig according to claim 5, which is characterized in that the two vertical connecting plates (33) are about joint face pair
Claim, the joint face is vertical with the axis of the connecting shaft (12), and the tie point is located on the joint face.
8. experimental rig according to claim 5, which is characterized in that the displacement loading device includes displacement handle (41)；
One end of the Vertical loading through-hole and the displacement handle (41) of the one end of the connecting shaft (12) where it connects
It connects；
The other end of the displacement handle (41) with displacement power-equipment for connecting, to drive the connecting shaft to rotate.
9. experimental provision according to claim 8, which is characterized in that the displacement loading device further includes having two pitch change axes
Hold (42), wherein a pitch bearing (42) is arranged in a Vertical loading through-hole, another described pitch change axes
(42) are held to be arranged in another described Vertical loading through-hole.
10. experimental rig according to claim 3, which is characterized in that
The attachment device further includes having two work shape plates (13), wherein the two sidewalls of a work plate (13) and the connection
The inner wall on the first connection side of frame (11) abuts, and the of the two sidewalls of another work shape plate (13) and connection frame (11)
The inner wall on two connection sides abuts；Wherein,
First connection connects when frame (11) are waved with described first and described second one side that wave side adjacent while to be described；
Second connection connects when frame (11) are waved with described first and described second waves adjacent another in side while to be described
Side；
The spring bearing testpieces includes two spring bearings (5), and each spring bearing (5) includes sequentially connected great Jin
Belong to connector (51), metal-rubber lamination (52), small metal joint (53), wherein there are three heavy for big metal joint (51) tool
Hole, the small metal joint (53) have convex shoulder (54)；Wherein,
One spring bearing (5) connects the one side wall that bolt is screw-coupled to a work shape plate (13) by three first,
And the convex shoulder (51) is inserted into one end of the connection through-hole thereon；Wherein, it is described to pass through this for each first connection bolt
One counterbore of spring bearing (5)；
Another spring bearing (5) connects the side that bolt is screw-coupled to another work shape plate (13) by three second
Wall, and the other end of convex shoulder (51) the insertion connection through-hole thereon；Wherein, each second connection bolt, which passes through, is somebody's turn to do
One counterbore of the spring bearing (5)；
The side wall that the two work shape plates (13) and the spring bearing testpieces are spirally connected is in the same side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811340585.6A CN109520736A (en) | 2018-11-12 | 2018-11-12 | A kind of spring bearing durability test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811340585.6A CN109520736A (en) | 2018-11-12 | 2018-11-12 | A kind of spring bearing durability test device |
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| Publication Number | Publication Date |
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| CN109520736A true CN109520736A (en) | 2019-03-26 |
Family
ID=65774124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811340585.6A Pending CN109520736A (en) | 2018-11-12 | 2018-11-12 | A kind of spring bearing durability test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213101A (en) * | 2020-10-16 | 2021-01-12 | 中国直升机设计研究所 | Durability test bed for torsion arm swing-proof bearing of helicopter |
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| 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 |
| CN207215442U (en) * | 2017-08-14 | 2018-04-10 | 吉林大学 | Axle box bearing is comprehensive performance test bed with earthing or grounding means |
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2018
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Patent Citations (5)
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|---|---|---|---|---|
| CN2876753Y (en) * | 2006-03-17 | 2007-03-07 | 燕山大学 | Fatique-tester for vertical hinge bearing of rotary swing of helicopter |
| CN101430245A (en) * | 2008-12-08 | 2009-05-13 | 洛阳轴研科技股份有限公司 | Dynamic simulation test method and testing machine for plastic support bearing used for suspension |
| CN203051486U (en) * | 2012-12-26 | 2013-07-10 | 中国直升机设计研究所 | Support bearing |
| 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 |
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| CN112213101A (en) * | 2020-10-16 | 2021-01-12 | 中国直升机设计研究所 | Durability test bed for torsion arm swing-proof bearing of helicopter |
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