CN206311333U - A kind of angular contact bearing birotor testing machine shafting structure - Google Patents
A kind of angular contact bearing birotor testing machine shafting structure Download PDFInfo
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- CN206311333U CN206311333U CN201621437566.1U CN201621437566U CN206311333U CN 206311333 U CN206311333 U CN 206311333U CN 201621437566 U CN201621437566 U CN 201621437566U CN 206311333 U CN206311333 U CN 206311333U
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Abstract
A kind of angular contact bearing birotor testing machine shafting structure, it is arranged on bearing tester, including inner ring armature spindle and outer ring armature spindle, the inner ring of test bearing is fixed and is set on the experiment end of inner ring armature spindle, outer ring is fixedly connected with the experiment end of outer ring armature spindle, each fixation of floating end of the inner ring armature spindle and outer ring armature spindle is arranged with an axially loaded bearing, the outer ring of axially loaded bearing is fixedly connected with floating bearing bracket, floating bearing bracket is used to bear axial load and passes sequentially through axially loaded bearing, inner ring armature spindle or outer ring rotor axial test bearing apply axial load.A kind of load mode of the utility model offer is various, can be applied to the birotor testing machine shafting structure of Multiple Type angular contact bearing performance test.
Description
Technical field
The utility model is related to bearing tester technical field, specifically a kind of angular contact bearing birotor testing machine
Shafting structure.
Background technology
Bearing is the key foundation parts in all kinds of equipment manufacturings, and the quality of its quality directly decides the property of equipment
Energy, reliability and life-span；Due to bearing work under bad environment, the load working condition that bears is complicated, to have long enough even to fill
It is non-maintaining etc. for life cycle management, bearing must be done on testing machine during designing, developing and manufacturing
The checking of corresponding simulation operating mode, for research, design, manufactures and using reliable test data is provided, and is design, the manufacture of bearing
Foundation is provided with using.High temperature, the research and development of high speed and precision bearing, design, manufacture and its experimental technique are mainly few by foreign countries
The several trans-corporations of number are monopolized, and the research and development of the such testing machine of China start from for the 7, eighties, due to being designed at that time, and manufactured, made
Limited with waiting, during the inside and outside diameter of test bearing is also only limited, small size, limit speed is relatively low, it is impossible to meet it is now big directly
Footpath, high temperature, the test requirements document of rotating speed bearing high.
Most of existing bearing tester uses single pivot structure, the inner ring or outer ring phase of rotating shaft and tested bearing
Connection, can conveniently realize the rotation of bearing and the simulated test of loading form on testing machine, but this bearing test
Machine has many deficiencies.Because can only be fixed with inner ring or outer ring, when simultaneously test bearing needs what inner ring and outer ring rotated
When, testing machine just can not be applicable.Although also having some that bearing internal external circle can be made to rotate the birotor tested simultaneously to try
Machine is tested, but the bearing of minor diameter, low speed can only typically be tested, it is impossible to major diameter, rotating speed high, oil working environment high
Bearing tested.
In bearing test, test speed is a very important parameter, and testing machine of the prior art is limited to axle
It is designing and manufacturing level and loading device structure type, test speed can only achieve 15000rpm or so, it is impossible to test large-scale, work
Internal and external cycle in work is while rotation, high temperature, the bearing for running at high speed.
Utility model content
In order to solve deficiency of the prior art, a kind of load mode of the utility model offer is various, can be applied to many
Plant the birotor testing machine shafting structure of model angular contact bearing performance test.
To achieve these goals, the concrete scheme that the utility model is used for：
A kind of angular contact bearing birotor testing machine shafting structure, is arranged on bearing tester, including inner ring armature spindle
With outer ring armature spindle, the inner ring of test bearing fixes and is set on the experiment end of inner ring armature spindle, outer ring and outer ring armature spindle
Experiment end is fixedly connected, and each fixation of floating end of the inner ring armature spindle and outer ring armature spindle is arranged with an axially loaded axle
Hold, the outer ring of axially loaded bearing is fixedly connected with floating bearing bracket, and floating bearing bracket is used to bear axial load and lead to successively
Cross axially loaded bearing, inner ring armature spindle or outer ring rotor axial test bearing and apply axial load.
The experiment end of the inner ring armature spindle is fixed and is arranged with lubricating sleeve under ring, and the test bearing lubricates under being set in ring
Put, its inner ring covers axial limiting by the 3rd ladder, the screw that outer ring is along the circumferential direction uniformly arranged by several with it is outer
The experiment end for enclosing armature spindle is fixedly connected.
The outer wall of lubricating sleeve is provided with set shoulder under the ring, and the inner ring of test bearing is covered axially by covering shoulder and the 3rd ladder
Spacing fixation, and the 3rd ladder set is close to the side of outer ring armature spindle positioned at test bearing；The inwall of lubricating sleeve is under the ring
Ladder nested structure, lubricating sleeve offers an oiling connected with ladder nested structure on the end wall of outer ring armature spindle under ring
Hole, is further opened with one with balance pipe of the oil filler point on lubricating sleeve axisymmetrical under ring, size and the oil filler point phase of balance pipe
Deng but do not connect with ladder nested structure.
The inner ring armature spindle is quill shaft, and also fixation is arranged with radial loaded bearing on inner ring armature spindle, radially adds
Load bearing is cylinder roller bearing, and its inner ring covers axial limiting by the shaft shoulder and the second ladder, and the second ladder is set on footpath
To load bearings away from test bearing side, radial loaded bearing outer ring is fixedly connected with radial loaded bearing block, radially plus
Bearing block is carried to bear radial load and pass sequentially through radial loaded bearing and inner ring rotor axial test bearing applying radial load；
Radial loaded bearing oil distribution casing, radial loaded bearing oil distribution casing and radial loaded axle are additionally provided with the side of radial loaded bearing
Bearing is fixedly connected.
The outer ring armature spindle is quill shaft, and experiment end is cylindrical and internal diameter is more than the external diameter of axle body, tests end and axle
The tapered tubular of changeover portion between body, changeover portion is shaft shoulder structure with the junction of axle body, is arranged with the shaft shoulder and accompanies examination
Bearing, accompanies the opposite side of examination bearing inner race by fourth order ladder set axial limiting, accompanies the outer ring of examination bearing to be fixed on and accompanies examination bearing
On seat, examination bearing oil distribution casing is accompanied accompanying examination bearing to be additionally provided near the side of outer ring armature spindle floating end, accompany examination bearing with oil
Disk is fixedly connected by several screws being distributed uniformly and circumferentially with examination bearing block is accompanied.
The axially loaded bearing is angular contact bearing, and its inner ring covers axial limiting by the shaft shoulder and the first ladder, outside it
Circle is fixedly connected with floating bearing bracket, in axially loaded bearing near the side of test bearing, is provided with fuel feeding air pipe bearing,
It is provided with axially loaded bearing oil distribution casing on fuel feeding air pipe bearing, the oil gas vent of axially loaded bearing oil distribution casing is towards axle
Set to the retainer of load bearings, the lubrication oil gas of axially loaded bearing enters from the entrance of fuel feeding air pipe bearing, warp
Axially loaded bearing is sprayed in the oil duct axially loaded bearing oil distribution casing of feeding crossed inside fuel feeding air pipe bearing and from nozzle.
The floating bearing bracket is filled out away from the side of test bearing and is provided with bearing ring, and the axial loading device is acted on and held
On pressure ring, force snesor is additionally provided with for measuring the load that axially loaded mechanism applies in the opposite side of bearing ring.
Several guide fingers are additionally provided with the fuel feeding air pipe bearing, guide finger runs through fuel feeding air pipe bearing and one
End is fixed in floating bearing bracket, is completed floating bearing bracket and is installed with the guiding of fuel feeding air pipe bearing, and guide finger and fuel feeding
Gap coordinates between air pipe bearing；Also it is fixedly connected near the side of test bearing in fuel feeding air pipe bearing axially loaded
Device pressure ring.
Beneficial effect：
1st, the utility model is by the way of bilateral is axially loaded, and load adjustable scope is big, can flexibly select unidirectional adding
The mode of load or biaxial loadings, meets the requirement of different tests, additionally it is possible to improve the reliability of device；
2nd, using dual-rotor structure, Internal and external cycle can be carried out to test bearing and unidirectionally rotates experiment, unidirectional friction speed turn at the same speed
Dynamic test, two-way synchronized rotation are tested or bidirectional different speed rotation experiment, and test method is flexibly, applied widely；
3rd, axial load is transmitted by armature spindle, it is to avoid use single transmission mechanism, reduce the complexity of device, also
Transmission mechanism can be avoided directly to be contacted with test bearing and influence is produced on test bearing；
4th, load is transmitted by cushion pad in radial loaded link, the friction in loading procedure can be reduced and inner ring turns
The vibration of sub- axle；
5th, each accompany examination bearing by the way of oil-air lubrication, high lubricating effect, under the circumference of the high-speed rotation still
The demand of lubrication is disclosure satisfy that, and the lubricants capacity for using is very small；
6th, test bearing is set on inner ring armature spindle by the transition that lubricating sleeve under ring and ladder cover composition, for not
With the bearing of internal diameter, it is only necessary to tested by changing corresponding transition sleeve, without changing armature spindle, examination is considerably reduced
Test cost.
Brief description of the drawings
Fig. 1 is overall structure diagram；
Fig. 2 is axially loaded bearing and axially loaded bearing block close-up schematic view；
Fig. 3 is test bearing, radial loaded bearing and accompanies examination bearing close-up schematic view.
Reference：1st, inner ring armature spindle, the 2, first ladder set, 3, spacer, 4, floating bearing bracket, 5, axially loaded bearing
Oil distribution casing, 6, linear bearing, 7, fuel feeding air pipe bearing, 8, axial loading device pressure ring, 9, guide finger, the 10, second ladder set,
11st, radial loaded bearing oil distribution casing, 12, radial loaded bearing block, 13, lubricating sleeve under ring, the 14, the 3rd ladder set, 15, lubricating oil
Air flue, 16, outer ring armature spindle, 17, accompany the examination pressure ring of bearing first, 18, accompany examination bearing block, 19, accompany the examination pressure ring of bearing second, 20,
Sensor stand, 21, cushion pad, 22, accompany examination bearing oil distribution casing, 23, fourth order ladder set, 24, radial loaded bearing, 25, experiment
Bearing, 26, accompany examination bearing, 27, vibrating sensor, 28, temperature sensor, 29, axially loaded bearing, 30, bearing ring, 31, return
Receive oil duct.
Specific embodiment
Implementation method of the present utility model is illustrated below according to accompanying drawing.
As shown in Figure 1 to Figure 3, a kind of angular contact bearing birotor testing machine shafting structure, is arranged on bearing tester,
Including inner ring armature spindle 1 and outer ring armature spindle 16, the inner ring of test bearing 25 fixes the experiment end for being set in inner ring armature spindle 1
On, outer ring is fixedly connected with the experiment end of outer ring armature spindle 16, inner ring armature spindle 1 and outer ring armature spindle 16 not with test bearing 25
Connected one end is floating end.Each fixation of floating end of the inner ring armature spindle 1 and outer ring armature spindle 16 is arranged with an axial direction
Load bearings 29, the outer ring of axially loaded bearing 29 is fixedly connected with floating bearing bracket 4, and floating bearing bracket 4 is used to support rotor
Axle and the axial load during bearing test is born, floating bearing bracket 4 passes sequentially through axially loaded bearing 29, inner ring armature spindle
1 and outer ring armature spindle 16 to test bearing 25 transmit axial load.Axially loaded using bilateral bi-directional, load adjustable scope is big,
Can be in the way of the unidirectional loading of flexibly selection or biaxial loadings, the experiment loading for adapting to various test bearings is required.
The experiment end of the inner ring armature spindle 1 is fixed and is arranged with lubricating sleeve 13 under ring, and the test bearing 25 is set in ring
On lower lubricating sleeve 13, its inner ring covers 14 axial limitings by the 3rd ladder, and outer ring is along the circumferential direction uniformly arranged by several
Screw be fixedly connected with outer ring armature spindle 16.Preferably, the outer wall of lubricating sleeve 13 is provided with set shoulder under the ring, axle is tested
The inner ring for holding 25 covers 14 axial limitings and fixes by covering shoulder and the 3rd ladder, and the 3rd ladder set 14 is close to positioned at test bearing 25
The side of outer ring armature spindle 16；The inwall of lubricating sleeve 13 is ladder nested structure under the ring, and lubricating sleeve 13 is near outer ring under ring
An oil filler point connected with ladder nested structure is offered on the end wall of armature spindle 16, one is further opened with oil filler point on ring
The balance pipe of the lower axisymmetrical of lubricating sleeve 13, the size of balance pipe is equal with oil filler point but does not connect with ladder nested structure.Under ring
The inside of lubricating sleeve 13 offers multiple separate lubricating oil air flues 15, and the lubricating sleeve 13 under ring of lubricating oil air flue 15
It is uniformly distributed on circumferencial direction, makes the lubrication petroleum distribution for entering test bearing 25 uniform, improves lubricant effect.Meanwhile, make
Lubricating sleeve 13 under the ring that various external diameters are not waited, when changing test bearing 25, it is only necessary to which response external diameter is chosen according to its internal diameter
Ring under lubricating sleeve 13, without changing rotating shaft, therefore experimentation cost can be saved.
The inner ring armature spindle 1 is quill shaft, and also fixation is arranged with radial loaded bearing 24, footpath on inner ring armature spindle 1
It is cylinder roller bearing to load bearings 24, its inner ring covers 10 axial limitings, and the second ladder set by the shaft shoulder and the second ladder
10 are arranged on side of the radial loaded bearing 24 away from test bearing 25, and the outer ring of radial loaded bearing 24 is fixedly connected with and radially adds
Bearing block 12 is carried, radial loaded bearing block 12 bears radial load and passes sequentially through radial loaded bearing 24 and inner ring armature spindle 1
Apply radial load to test bearing 25；Radial loaded bearing oil distribution casing 11 is additionally provided with the side of radial loaded bearing 24,
Radial loaded bearing oil distribution casing 11 is fixedly connected with radial loaded bearing block 12, and connected mode is along the circumferential direction to be set using 10
The screw put is attached.Radial loaded bearing oil distribution casing 11 provides oil-air lubrication for bearing, at it away from test bearing 25
One end offers multiple and enters oil-gas hole, and each enters oil-gas hole and connects an oil gas road being arranged on inside oil distribution casing, in oil gas road
End connects a nozzle for being radially oriented the outer ring raceway of load bearings 24.Used as a kind of preferred scheme, the quantity in oil gas road is 4
It is individual, all operating condition of test are almost covered to accompanying the requirement of examination bearing lubrication.
The outer ring armature spindle 16 is quill shaft, experiment end is cylindrical and internal diameter more than axle body external diameter, experiment end and
The tapered tubular of changeover portion between axle body, changeover portion is shaft shoulder structure with the junction of axle body, is arranged with the shaft shoulder and accompanied
Examination bearing 26, accompanies the opposite side of the examination inner ring of bearing 26 by fourth order ladder 23 axial limitings of set, accompanies the outer ring of examination bearing 26 to fix
On examination bearing block 18 is accompanied, examination bearing is accompanied with oil accompanying examination bearing 26 to be additionally provided near the side of the floating end of outer ring armature spindle 16
Disk 22, accompanies examination bearing oil distribution casing 22 to fix company with examination bearing block 18 is accompanied by several screws being distributed uniformly and circumferentially
Connect.
In order to used lubricating oil is reclaimed in time, prevent from entering inner ring armature spindle 1 and outer ring armature spindle 16
Hollow axle center damages to the shafting of high speed rotation, and selection sets a plurality of oil recovery in the experiment end insertion of outer ring armature spindle 16
Road 31, edge is returned under the action of the centrifugal force to allow the lubricating oil entered between test bearing 25 and the changeover portion of outer ring armature spindle 16
Oil duct 31 is received to discharge.It is 6 setting directions parallel to changeover portion side wall and equally distributed in a circumferential direction to reclaim oil duct 31
The millimeter opening of diameter 3.
The axially loaded bearing 29 is angular contact bearing, and its inner ring covers 2 axial limitings by the shaft shoulder and the first ladder, its
Outer ring is fixedly connected with floating bearing bracket 4, in axially loaded bearing 29 near the side of test bearing 25, is provided with fuel feeding tracheae
Road bearing 7, is provided with axially loaded bearing oil distribution casing 5, the oil of axially loaded bearing oil distribution casing 5 on fuel feeding air pipe bearing 7
Gas jets end is set towards axially loaded bearing 29, and the lubrication oil gas of axially loaded bearing 29 is from fuel feeding air pipe bearing 7
Right side enters, and is sprayed to by the oil gas road axially loaded bearing oil distribution casing 5 of feeding inside fuel feeding air pipe bearing 7 and from nozzle
Axially loaded bearing 29.The floating bearing bracket 4 is provided with bearing ring 30, the axially loaded dress away from the side of test bearing 25
Put and act on bearing ring 30, be additionally provided with force snesor in the opposite side of bearing ring 30 applies for measuring axially loaded mechanism
Load.Several guide fingers 9 are additionally provided with the fuel feeding air pipe bearing 7, guide finger 9 runs through fuel feeding air pipe bearing 7
And one end is fixed in floating bearing bracket 4, completes floating bearing bracket 4 and installed with the guiding of fuel feeding air pipe bearing 7, and be oriented to
Pin 9 coordinates with the gap of fuel feeding air pipe bearing 7, is to be screwed with the fixed form between floating bearing bracket 4.In fuel feeding tracheae
Road bearing 7 is also fixedly connected with axial loading device pressure ring 8 near the side of test bearing 25.
The load maintainer for providing axial load is arranged on the outside of floating bearing bracket 4, and load mode can select spring to add
Carry, hydraulic loaded or mix-loaded, for the experiment of the slow-speed of revolution, spring loads can be selected, for high-revolving experiment, can be with
The mode that selection springs preload is loaded with hydraulic follow-up.In order that load is evenly distributed in a circumferential direction, will not be because of load
Lotus is uneven to cause shafting vibration to increase, and various loading devices are uniformly distributed along the stress surface of bearing ring 30.In order to reality
When monitoring test running status, sensor stand 20, sensor stand 20 and fuel feeding gas are set on axial loading device pressure ring 8
Pipeline bearing 7 is fixedly connected by screw.Vibrating sensor 27 is set on sensor stand 20.In addition, also in axial direction
Load bearings 29 set temperature sensor 28 with the junction of floating bearing bracket 4, by the two sensor real-time monitoring inner rings
The working condition of the floating end of armature spindle 1 and axially loaded bearing 29, it is ensured that experiment is steadily smoothed out.Using the feelings of biaxial loadings
Under condition, axial load is born in the inner ring of test bearing 25 and outer ring by inner ring armature spindle 1 and outer ring armature spindle 16 respectively；Using
In the case of unidirectional loading, only load maintainer output loads of side, because opposite side is fixed, according to the phase of power
To effect, actually also can be to the inner ring of test bearing 25 and outer ring while imposed load.In the case of using biaxial loadings, such as
Fruit runs into the situation of side load maintainer failure, and the load maintainer of opposite side still can keep running, can avoid testing axle
Hold 25 and axially loaded bearing 29 suddenly lose axial load damage.
Described the first ladder the 2, second ladder of set covers equal edge on the side wall of the 10, the 3rd ladder set 14 and fourth order ladder set 23
The oil filler point connected with hierarchic structure radially is offered, by being dismantled and being installed from oil filler point to hierarchic structure oiling.
Claims (8)
1. a kind of angular contact bearing birotor testing machine shafting structure, is arranged on bearing tester, including inner ring armature spindle（1）
With outer ring armature spindle（16）, test bearing（25）Inner ring fix be set in inner ring armature spindle（1）Experiment end on, outer ring with it is outer
Circle armature spindle（16）Experiment end be fixedly connected, it is characterised in that：
The inner ring armature spindle（1）With outer ring armature spindle（16）Each fixation of floating end be arranged with an axially loaded bearing
（29）, axially loaded bearing（29）Outer ring be fixedly connected with floating bearing bracket（4）, floating bearing bracket（4）For bearing axial direction
Load simultaneously passes sequentially through axially loaded bearing（29）, inner ring armature spindle（1）Or outer ring armature spindle（16）To test bearing（25）
Apply axial load.
2. a kind of angular contact bearing birotor testing machine shafting structure as claimed in claim 1, it is characterised in that：The inner ring
Armature spindle（1）Experiment end fix be arranged with lubricating sleeve under ring（13）, the test bearing（25）It is set in lubricating sleeve under ring
（13）On, its inner ring passes through the 3rd ladder set（14）Axial limiting, the spiral shell that outer ring is along the circumferential direction uniformly arranged by several
Nail and outer ring armature spindle（16）Experiment end be fixedly connected.
3. a kind of angular contact bearing birotor testing machine shafting structure as claimed in claim 2, it is characterised in that：Under the ring
Lubricating sleeve（13）Outer wall be provided with set shoulder, test bearing（25）Inner ring by covering shoulder and the 3rd ladder set（14）Axial limiting
It is fixed, and the 3rd ladder set（14）Positioned at test bearing（25）Near outer ring armature spindle（16）Side；Lubricating sleeve under the ring
（13）Inwall be ladder nested structure, the lubricating sleeve under ring（13）Near outer ring armature spindle（16）End wall on offer one with
The oil filler point of ladder nested structure connection, is further opened with one with oil filler point on lubricating sleeve under ring（13）The balance of axisymmetrical
Hole, the size of balance pipe is equal with oil filler point but does not connect with ladder nested structure.
4. a kind of angular contact bearing birotor testing machine shafting structure as claimed in claim 1, it is characterised in that：The inner ring
Armature spindle（1）It is quill shaft, in inner ring armature spindle（1）On also fixation be arranged with radial loaded bearing（24）, radial loaded bearing
（24）It is cylinder roller bearing, its inner ring passes through the shaft shoulder and the second ladder set（10）Axial limiting, and the second ladder set（10）If
Put in radial loaded bearing（24）Away from test bearing（25）Side, radial loaded bearing（24）Outer ring is fixedly connected with radially
Loading axis bearing（12）, radial loaded bearing block（12）Bear radial load and pass sequentially through radial loaded bearing（24）And inner ring
Armature spindle（1）To test bearing（25）Apply radial load；In radial loaded bearing（24）Side be additionally provided with radial loaded
Bearing oil distribution casing（11）, radial loaded bearing oil distribution casing（11）With radial loaded bearing block（12）It is fixedly connected.
5. a kind of angular contact bearing birotor testing machine shafting structure as claimed in claim 1, it is characterised in that：The outer ring
Armature spindle（16）It is quill shaft, experiment end is cylindrical and internal diameter is more than the external diameter of axle body, tests the transition between end and axle body
The tapered tubular of section, changeover portion is shaft shoulder structure with the junction of axle body, is arranged with the shaft shoulder and accompanies examination bearing（26）, accompany examination
Bearing（26）The opposite side of inner ring is covered by fourth order ladder（23）Axial limiting, accompanies examination bearing（26）Outer ring be fixed on and accompany examination axle
Bearing（18）On, accompanying examination bearing（26）Near outer ring armature spindle（16）The side of floating end is additionally provided with accompanies examination bearing oil distribution casing
（22）, accompany examination bearing oil distribution casing（22）The screw being distributed uniformly and circumferentially by several with accompany examination bearing block（18）It is fixed
Connection.
6. a kind of angular contact bearing birotor testing machine shafting structure as claimed in claim 1, it is characterised in that：The axial direction
Load bearings（29）It is angular contact bearing, its inner ring passes through the shaft shoulder and the first ladder set（2）Axial limiting, its outer ring is fixedly connected
There is floating bearing bracket（4）, in axially loaded bearing（29）Near test bearing（25）Side, be provided with fuel feeding air pipe bearing
（7）, in fuel feeding air pipe bearing（7）On be provided with axially loaded bearing oil distribution casing（5）, axially loaded bearing oil distribution casing（5）'s
Oil gas vent is towards axially loaded bearing（29）Retainer set, axially loaded bearing（29）Lubrication oil gas is from fuel feeding gas
Pipeline bearing（7）Entrance enter, by fuel feeding air pipe bearing（7）Internal oil duct sends into axially loaded bearing oil distribution casing
（5）In and from nozzle spray to axially loaded bearing（29）.
7. a kind of angular contact bearing birotor testing machine shafting structure as claimed in claim 6, it is characterised in that：The floating
Bearing block（4）Away from test bearing（25）Side fill out and be provided with bearing ring（30）, the axial loading device acts on bearing ring
（30）On, in bearing ring（3）Opposite side be additionally provided with force snesor for measuring the load that axially loaded mechanism applies.
8. a kind of angular contact bearing birotor testing machine shafting structure as claimed in claim 6, it is characterised in that：The fuel feeding
Air pipe bearing（7）On be additionally provided with several guide fingers（9）, guide finger（9）Through fuel feeding air pipe bearing（7）And one end is solid
It is scheduled on floating bearing bracket（4）In, complete floating bearing bracket（4）With fuel feeding air pipe bearing（7）Guiding install, and guide finger
（9）With fuel feeding air pipe bearing（7）Between gap coordinate；In fuel feeding air pipe bearing（7）Near test bearing（25）Side
Also it is fixedly connected with axial loading device pressure ring（8）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621437566.1U CN206311333U (en) | 2016-12-26 | 2016-12-26 | A kind of angular contact bearing birotor testing machine shafting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621437566.1U CN206311333U (en) | 2016-12-26 | 2016-12-26 | A kind of angular contact bearing birotor testing machine shafting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206311333U true CN206311333U (en) | 2017-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621437566.1U Expired - Fee Related CN206311333U (en) | 2016-12-26 | 2016-12-26 | A kind of angular contact bearing birotor testing machine shafting structure |
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| Country | Link |
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| CN (1) | CN206311333U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482950A (en) * | 2016-12-26 | 2017-03-08 | 河南科技大学 | A kind of angular contact bearing birotor testing machine shafting structure |
| CN112729833A (en) * | 2020-12-31 | 2021-04-30 | 沈阳建筑大学 | Broken shaft type bearing test system |
| CN113899539A (en) * | 2021-09-30 | 2022-01-07 | 清华大学 | Dual-rotor bearing cartridge receiver experiment system |
-
2016
- 2016-12-26 CN CN201621437566.1U patent/CN206311333U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482950A (en) * | 2016-12-26 | 2017-03-08 | 河南科技大学 | A kind of angular contact bearing birotor testing machine shafting structure |
| CN106482950B (en) * | 2016-12-26 | 2019-11-19 | 河南科技大学 | A kind of angular contact bearing birotor testing machine shafting structure |
| CN112729833A (en) * | 2020-12-31 | 2021-04-30 | 沈阳建筑大学 | Broken shaft type bearing test system |
| CN113899539A (en) * | 2021-09-30 | 2022-01-07 | 清华大学 | Dual-rotor bearing cartridge receiver experiment system |
| CN113899539B (en) * | 2021-09-30 | 2023-01-20 | 清华大学 | Dual-rotor bearing cartridge receiver experiment system |
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Granted publication date: 20170707 Termination date: 20211226 |