CN106197962B - A kind of direct observation experiment platform of automobile-used rotatory sealing cavitation zone - Google Patents
A kind of direct observation experiment platform of automobile-used rotatory sealing cavitation zone Download PDFInfo
- Publication number
- CN106197962B CN106197962B CN201610424222.5A CN201610424222A CN106197962B CN 106197962 B CN106197962 B CN 106197962B CN 201610424222 A CN201610424222 A CN 201610424222A CN 106197962 B CN106197962 B CN 106197962B
- Authority
- CN
- China
- Prior art keywords
- mill
- seal ring
- oil
- rotating seal
- automobile
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 28
- 238000002474 experimental method Methods 0.000 title claims abstract description 11
- 239000000725 suspension Substances 0.000 claims abstract description 11
- 239000003921 oil Substances 0.000 claims description 48
- 239000010687 lubricating oil Substances 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- 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
- G01M13/005—Sealing rings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of automobile-used direct observation experiment platforms of rotatory sealing cavitation zone, belong to rotatory sealing technical field, including：Transverse slider, supporting suspension, torque sensor, rotating seal ring, fixes disk, rotary shaft, to mill, video camera, vertical guide rail and oil storage tank at vertical load sensor；The rotary shaft is coaxially fixed behind the bottom surface of oil storage tank with fixed disk；Rotating seal ring is fixed on the fixed disk upper surface；Vertical guide rail is vertically mounted on external supporting rack, and transverse slider is mounted on by horizontal slide rail on vertical guide rail；One end of the supporting suspension is connected by vertical load sensor with transverse slider, and the other end is connect with one end of the torque sensor, and the other end of torque sensor is fixed with flexural pivot；Mill and the flexural pivot are coordinated；The video camera is fixed on the oblique upper to mill, and camera is directed at the end face of rotating seal ring；The present invention can directly, easily observe automobile-used rotatory sealing cavitation zone.
Description
Technical field
The invention belongs to rotatory sealing technical fields, and in particular to a kind of automobile-used rotatory sealing cavitation zone directly observes examination
Test platform.
Background technology
As automobile-used transmission system develops to high speed and high power density direction, surface microflute type rotatory sealing is good due to its
Good " wedge effect ", substantially improves the lubrication property of rotatory sealing under high-speed working condition.But with convergent wedge-shaped gap phase
Instead, will produce " underbalance effect " in the increased diverging gap of oil clearance makes pressure reduction.When pressure is less than cavitation pressure, oil
Film can occur cavitation and lead to rupture of oil film.Under high speed conditions, cavitation effect rotatory sealing lubrication property will be caused compared with
Big influence.Traditional rotatory sealing experimental rig is all closed, cannot observe motion state and the end face of rotating seal ring
The cavitation phenomenon in microflute area.
Invention content
In view of this, the object of the present invention is to provide a kind of automobile-used direct observation experiment platform of rotatory sealing cavitation zone, solution
Traditional automobile-used rotatory sealing experimental rig of having determined cannot intuitively observe rotating seal ring motion state and microflute area cavitation zone etc.
Problem, the present invention can directly, easily observe automobile-used rotatory sealing cavitation zone.
The present invention is achieved through the following technical solutions：
A kind of direct observation experiment platform of automobile-used rotatory sealing cavitation zone, including：Transverse slider, vertical load sensor,
Supporting suspension, oil pump, rotating seal ring, fixes disk, rotary shaft, to mill, video camera, vertical guide rail and storage at torque sensor
Oily ware；
It is described that transparent material is used to mill；
Its connection relation is as follows：One end of the rotary shaft is connect with external motor, and the other end passes through the bottom of oil storage tank
It is coaxially fixed with the fixation disk in oil storage tank behind face；It is convex that rotating seal ring is fixed on the fixed disk upper surface annular stop
In the inner peripheral surface of platform, and the upper surface of the rotating seal ring protrudes the annular stop boss；
Vertical guide rail is vertically mounted on external supporting rack, and transverse slider is mounted on vertical by horizontal slide rail
On guide rail；One end of the supporting suspension is connected by vertical load sensor with transverse slider, and the other end is passed with the torque
One end of sensor connects, and the other end of torque sensor is fixed with flexural pivot；Mill and the flexural pivot are coordinated；In use, described
Mill is moved downward under the drive of the vertical guide rail and squeezes the rotating seal ring；
One end of oil pump is connect by oil pipe with to two oil inlets on mill, and the other end is being stored up by oil pipe and setting
Oil return opening connection on oily ware bottom surface, lubricating oil are stored in oil storage tank；Wherein, it is close to be located at the rotation for two oil inlets
In the annular region that seal ring is surrounded；
The video camera is fixed on the oblique upper to mill, and camera is directed at the end face of rotating seal ring.
Further, described that mill is moved in the horizontal direction under the action of transverse slider, make to mill and the rotation
It is coaxially arranged to turn sealing ring, it is described vertically moving under the action of vertical guide rail to mill, it is adjacent to rotating seal ring simultaneously
Apply lateral pressure to rotating seal ring.
Further, further include thermocouple, thermocouple is located in oil storage tank, and is contacted with lubricating oil.
Further, the shooting speed of the video camera is adjusted according to the rotating speed of rotary shaft.
Further, when the rotating speed of rotary shaft is less than 1000r/min, the shooting speed of video camera is 5000fps/s；When
When the rotating speed of rotary shaft is higher than 2000r/min, the shooting speed of video camera is 10000fps/s.
Further, described is quartz glass disc to mill.
Advantageous effect：(1) present invention can directly observe automobile-used rotatory sealing cavitation zone by transparent to mill
Lubricating oil distribution situation whether verification cavitation phenomenon occurs, and then analyzes the cavitation zone development law of rotating seal ring.
(2) present invention passes through the transparent motion state that can directly observe mill automobile-used rotating seal ring.
(3) present invention will change mill into test specimen with rotating seal ring with material, can carry out subsequent rotatory sealing
The fretting wear rule experimental study of ring.
Description of the drawings
Fig. 1 is the structure composition figure of the present invention.
Wherein, 1- transverse sliders, 2- vertical load sensors, 3- supporting suspensions, 4- torque sensors, 5- oil pumps, 6- rotations
Turning sealing ring, 7- fixes disk, 8- oil return openings, 9- oil inlets, 10- rotary shafts, 11- lubricating oil, and 12- is to mill, 13- thermocouples,
14- video cameras, the vertical guide rails of 15-, 16- oil storage tanks.
Specific implementation mode
The present invention will now be described in detail with reference to the accompanying drawings and examples.
The present invention provides a kind of automobile-used direct observation experiment platforms of rotatory sealing cavitation zone, referring to attached drawing 1, including：It is horizontal
To sliding block 1, vertical load sensor 2, supporting suspension 3, torque sensor 4, oil pump 5, rotating seal ring 6, fixed disk 7, rotation
Axis 10, to mill 12, thermocouple 13, video camera 14, vertical guide rail 15 and oil storage tank 16；
The upper surface of the fixed disk 7 is machined with coaxial annular stop boss；
Described is transparent quartz glass disc to mill 12, is machined with along its core centrosymmetric two in quartz glass disc
A oil inlet 9；
Oil return opening 8 is machined on the bottom surface of the oil storage tank 16；
Its connection relation is as follows：One end of the rotary shaft 10 is connect with external motor, and the other end passes through oil storage tank 16
Bottom surface after coaxially fixed with the lower face of the fixation disk 7 in the oil storage tank 16；Rotating seal ring 6 is fixed by screws in solid
In the inner peripheral surface of the annular stop boss of 7 upper surface of price fixing, and the upper surface of the rotating seal ring 6 protrudes the annular limit
Position boss；
Vertical guide rail 15 is vertically mounted on external supporting rack, and transverse slider 1 is mounted on by horizontal slide rail
On vertical guide rail 15, transverse slider 1 transversely can do the movement of horizontal direction by sliding rail, while transverse slider 1 is in vertical guide rail 15
Drive under it is vertically movable；
After vertical load sensor 2 and torque sensor 4 are fixed on the both ends of 3 vertical direction of supporting suspension, together along perpendicular
Histogram is to mounted on the bottom surface of transverse slider 1, wherein supporting suspension 3 is used to weaken the vibration source impact of external motor, effective protection
Vertical guide rail 15 plays the role of support and buffering；Vertical load sensor 2 is connect with transverse slider 1, and torque sensor 4 is not
The one end being connect with supporting suspension 3 is fixed with flexural pivot；Mill 12 and the flexural pivot are coordinated, and under the action of transverse slider 1
Move in the horizontal direction, make it is coaxially arranged to mill 12 and the rotating seal ring 6, along vertical under the action of vertical guide rail 15
Direction moves, to be adjacent to rotating seal ring 6 and apply lateral pressure to rotating seal ring 6.Vertical load sensor 2 is for surveying
Measure the magnitude of load of lateral pressure applied to rotating seal ring 6 to mill 12, torque sensor 4 for measuring to mill 12 and
Friction torque between rotating seal ring 6.
One end of oil pump 5 is connect with to two oil inlets 9 on mill 12 respectively by oil pipe, the other end by oil pipe with
The oil return opening 8 being arranged on 16 bottom surface of oil storage tank connects, for being conveyed to the contact surface between mill 12 and rotating seal ring 6
Lubricating oil 11, lubricating oil 11 are stored in oil storage tank 16, and thermocouple 13 is located in oil storage tank 16, and is contacted with lubricating oil 11, are used
In the temperature for measuring lubricating oil 11；Wherein, two oil inlets 9 are located at the annular region that the rotating seal ring 6 is surrounded
It is interior；
Video camera 14 is fixed on the oblique upper to mill 12, and camera is directed at the end face of rotating seal ring 6, for recording
The cavitation effect in 6 end face microflute area of rotating seal ring；The shooting speed of video camera 14 is adjusted according to the different rotating speeds of rotary shaft 10,
To achieve the effect that clearly capture cavitation area；When the rotating speed of rotary shaft 10 is less than 1000r/min, the shooting speed of video camera 14
Degree is 5000fps/s；When the rotating speed of rotary shaft 10 is higher than 2000r/min, the shooting speed of video camera 14 is 10000fps/s；
Operation principle：Oil pump 5 is opened, continual and steady lubricating oil 11 is provided for pilot system；Motor outside opening leads to
It crosses rotary shaft 10 and controls after rotating seal ring 6 accelerates to setting speed and stablize one minute, then pass through the control pair of vertical guide rail 15
Mill 12, which moves downward, squeezes rotating seal ring 6, is set until the magnitude of load of the lateral pressure applied to rotating seal ring 6 reaches
Definite value, system is stablized after continuous service five minutes；Then the end face microflute area of 14 captured in real-time rotating seal ring 6 of video camera is opened
Fluid distribution, when the rotating speed of rotary shaft 10 reaches 1000r/min, there is certain face in the slot area of rotating seal ring 6
The deeper region of color, the field color and the light colour region full of fluid are entirely different, and therefore, this region is cavitation area.
By the test specimen for changing material identical as rotating seal ring 6 into mill 12, subsequent rotatory sealing can be carried out
The fretting wear rule experimental study of ring.
In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (5)
1. a kind of direct observation experiment platform of automobile-used rotatory sealing cavitation zone, which is characterized in that including：It is transverse slider (1), vertical
Load transducer (2), supporting suspension (3), torque sensor (4), oil pump (5), rotating seal ring (6), fixed disk (7), rotation
Axis (10), to mill (12), video camera (14), vertical guide rail (15) and oil storage tank (16)；
It is described that transparent material is used to mill (12)；
Its connection relation is as follows：One end of the rotary shaft (10) is connect with external motor, and the other end passes through oil storage tank (16)
Bottom surface after with the coaxial fixation of fixation disk (7) in the oil storage tank (16)；Rotating seal ring (6) is fixed on the fixed disk
(7) in the inner peripheral surface of upper surface annular stop boss, and the upper surface of the rotating seal ring (6) protrudes the annular stop
Boss；
Vertical guide rail (15) is vertically mounted on external supporting rack, and transverse slider (1) is mounted on by horizontal slide rail
On vertical guide rail (15)；One end of the supporting suspension (3) is connected by vertical load sensor (2) with transverse slider (1), separately
One end is connect with the one end of the torque sensor (4), and the other end of torque sensor (4) is fixed with flexural pivot；To mill (12)
Coordinate with the flexural pivot；In use, described moved downward under the drive of the vertical guide rail (15) to mill (12) squeezes institute
State rotating seal ring (6)；
One end of oil pump (5) is connect by oil pipe with to two oil inlets (9) on mill (12), the other end by oil pipe with set
Oil return opening (8) connection on oil storage tank (16) bottom surface is set, lubricating oil (11) is stored in oil storage tank (16)；Wherein, two institutes
Oil inlet (9) is stated to be located in the annular region that the rotating seal ring (6) is surrounded；
The video camera (14) is fixed on the oblique upper to mill (12), and camera is directed at the end face of rotating seal ring (6)；
It is described that mill (12) is moved in the horizontal direction under the action of transverse slider (1), make to mill (12) and the rotation
Sealing ring (6) is coaxially arranged, described vertically moving under the action of vertical guide rail (15) to mill (12), is adjacent to rotation
Sealing ring (6) simultaneously applies lateral pressure to rotating seal ring (6).
2. a kind of automobile-used direct observation experiment platform of rotatory sealing cavitation zone as described in claim 1, which is characterized in that also wrap
Thermocouple (13) is included, thermocouple (13) is located in oil storage tank (16), and is contacted with lubricating oil (11).
3. a kind of automobile-used direct observation experiment platform of rotatory sealing cavitation zone as described in claim 1, which is characterized in that described
The shooting speed of video camera (14) is adjusted according to the rotating speed of rotary shaft (10).
4. a kind of automobile-used direct observation experiment platform of rotatory sealing cavitation zone as claimed in claim 3, which is characterized in that work as rotation
When the rotating speed of shaft (10) is less than 1000r/min, the shooting speed of video camera (14) is 5000fps/s；When rotary shaft (10)
When rotating speed is higher than 2000r/min, the shooting speed of video camera (14) is 10000fps/s.
5. a kind of automobile-used direct observation experiment platform of rotatory sealing cavitation zone as described in claim 1, which is characterized in that described
It is quartz glass disc to mill (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610424222.5A CN106197962B (en) | 2016-06-15 | 2016-06-15 | A kind of direct observation experiment platform of automobile-used rotatory sealing cavitation zone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610424222.5A CN106197962B (en) | 2016-06-15 | 2016-06-15 | A kind of direct observation experiment platform of automobile-used rotatory sealing cavitation zone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106197962A CN106197962A (en) | 2016-12-07 |
| CN106197962B true CN106197962B (en) | 2018-08-31 |
Family
ID=57453133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610424222.5A Expired - Fee Related CN106197962B (en) | 2016-06-15 | 2016-06-15 | A kind of direct observation experiment platform of automobile-used rotatory sealing cavitation zone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106197962B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389333A (en) * | 2017-08-25 | 2017-11-24 | 常州市武进鸿程汽车配件有限公司 | Mechanical seal dry grinding testing equipment |
| CN113390866A (en) * | 2020-03-12 | 2021-09-14 | 西南林业大学 | Parameter-adjustable observer for cavitation generation and evolution process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797854A (en) * | 2012-08-24 | 2012-11-28 | 北京理工大学 | Vehicle rotating seal ring with corrugated end face |
| CN103148998A (en) * | 2013-02-04 | 2013-06-12 | 北京理工大学 | Automotive rotary sealing ring testing device |
| CN103954624A (en) * | 2014-04-22 | 2014-07-30 | 北京理工大学 | Dynamic visual high-pressure fuel cavitation observation method for diesel engine fuel oil system |
| CN104567778A (en) * | 2014-12-22 | 2015-04-29 | 北京理工大学 | Membrane thickness testing method for pin disc type friction machine under oil lubrication condition |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3353067B2 (en) * | 2000-03-29 | 2002-12-03 | 独立行政法人産業技術総合研究所 | Cavitation bubble observation device and cavitation bubble observation method |
-
2016
- 2016-06-15 CN CN201610424222.5A patent/CN106197962B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797854A (en) * | 2012-08-24 | 2012-11-28 | 北京理工大学 | Vehicle rotating seal ring with corrugated end face |
| CN103148998A (en) * | 2013-02-04 | 2013-06-12 | 北京理工大学 | Automotive rotary sealing ring testing device |
| CN103954624A (en) * | 2014-04-22 | 2014-07-30 | 北京理工大学 | Dynamic visual high-pressure fuel cavitation observation method for diesel engine fuel oil system |
| CN104567778A (en) * | 2014-12-22 | 2015-04-29 | 北京理工大学 | Membrane thickness testing method for pin disc type friction machine under oil lubrication condition |
Non-Patent Citations (1)
| Title |
|---|
| 两种空化边界条件下的旋转密封润滑状态分析与试验;赵一民 等;《兵工学报》;20141231;第35卷(第12期);第1937-1942页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106197962A (en) | 2016-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106197962B (en) | A kind of direct observation experiment platform of automobile-used rotatory sealing cavitation zone | |
| CN106194900B (en) | A kind of hydraulic reciprocating sealing dynamic property detection means and design | |
| CN104181098B (en) | High/low temperature slide rolling friction performance experiment table | |
| CN108414153B (en) | Intelligent pipe gallery inspection robot with emergency function | |
| CN102928177B (en) | Testing bed for testing rectangular sealing rings | |
| CN105387886A (en) | Ball valve dynamic characteristic parameter test system and test method | |
| Tan et al. | Probing tribological properties of waxy oil in pipeline pigging with fluorescence technique | |
| CN104198369B (en) | Slide rolling friction performance experiment table | |
| Guo et al. | A novel approach to measure slip-length of thin lubricant films under high pressures | |
| CN105352858A (en) | Image acquisition-based lubricating oil abrasive particle on-line monitoring device and work method thereof | |
| CN103308447A (en) | Contacting and rubbing device of nano-particle air film static-pressure thrust bearing | |
| CN107525743A (en) | A kind of Taylor's Couette experimental provision for solid state medium | |
| CN104502092B (en) | A kind of vertical visualization oil film dynamic test device | |
| CN103645048A (en) | Performance testing device for hollow ball lead screw pair | |
| CN105424313A (en) | Gas flow field detecting device in static pressure gas bearing and use method thereof | |
| CN108871743A (en) | A kind of wet clutch visual testing device | |
| CN109900410A (en) | Slide valve pollutes frictional force real-time accurate measuring device and measuring method | |
| CN206200615U (en) | Centering positioning and locking device | |
| CN109490127A (en) | A kind of hydrodynamic lubrication annulus frictional wear experimental device and measurement method | |
| CN106092537B (en) | A kind of automobile-used rotatory sealing oil film dynamic rate characterisitic parameter test platform and method | |
| CN210109136U (en) | Gas static pressure main shaft gas film speed field testing device | |
| CN205226379U (en) | Split type oil blanket | |
| CN209690099U (en) | A kind of hydrodynamic lubrication annulus frictional wear experimental device | |
| Masia et al. | Novel design of a general-purpose in-situ tribology test chamber for fluid power applications | |
| CN209387290U (en) | The device of ultrahigh speed liquid film shear property and hydrostatic bearing characteristic test can be achieved |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 |