CN106969865A - A kind of sealing ring lateral lip device for pressure measurement and measuring method - Google Patents
A kind of sealing ring lateral lip device for pressure measurement and measuring method Download PDFInfo
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- CN106969865A CN106969865A CN201710097447.9A CN201710097447A CN106969865A CN 106969865 A CN106969865 A CN 106969865A CN 201710097447 A CN201710097447 A CN 201710097447A CN 106969865 A CN106969865 A CN 106969865A
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- Prior art keywords
- sealing ring
- outer shroud
- lateral lip
- pressure measurement
- bottom plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The present invention relates to mechanical engineering field and automobile industry, and in particular to a kind of sealing ring lateral lip device for pressure measurement and measuring method；There is provided a kind of sealing ring lateral lip device for pressure measurement, described sealing ring lateral lip device for pressure measurement includes base, bottom plate, elastic sensing element, inner ring, sealing ring, outer shroud, screw rod and fixing nut；Using a kind of symmetrical sensing element design of circumference, and influence of the circumferential plane unevenness to measurement result is eliminated using average algorithm；Using the Fixture Design for complying fully with original mounting condition so that measurement result can truly reflect the pressure characteristic of hub bearing sealing ring installment state；Light-weight technologg is carried out to the part for not being related to matching face in frock, measurement accumulated error caused by deadweight quality is eliminated.Pressure test can be combined for combined type lateral lip sealing ring, also can subdivision individually tested, so as to obtain each lateral lip pressure on the lip of oil seal.
Description
Technical field
The present invention relates to mechanical engineering field and automobile industry, and in particular to a kind of sealing ring lateral lip device for pressure measurement
And measuring method.
Background technology
At present, in the influence factor of research hub bearing moment of friction, the friction at sealing accounts for hub bearing and always rubbed
Large percentage, and pressure on the lip of oil seal be at sealing friction produce key factor.Do not have currently for sealing ring contact measurement
There are direct means, the acquisition of most of pressure datas is still emulated using theoretical calculation or CAE, there is larger uncertainty,
Need to invent a kind of direct pressure measuring method and measurement apparatus.Present invention seek to address that the problem, develops one kind and is exclusively used in wheel
Hub bearing sealed ring lateral lip device for pressure measurement, and reach the actual installation condition of simulation hub bearing sealing ring completely.
The content of the invention
Goal of the invention：
(1) installment state of the simulation sealing ring on practical bearing product, meet skeleton and periphery with identical roughness,
Hardness, the magnitude of interference coordinate, and are coordinated between caulking gum lateral lip and inner ring with identical roughness, hardness, the magnitude of interference.
(2) contact of the measurement lateral lip under the different magnitudes of interference, the research of spring bearing frictional behavior.
(3) calibration that measurement result carries out CAE analysis method to designer is provided.
The invention provides a kind of sealing ring lateral lip device for pressure measurement, described sealing ring lateral lip device for pressure measurement bag
Include base, bottom plate, elastic sensing element, inner ring, sealing ring, outer shroud, screw rod and fixing nut；
Described base is connected with bottom plate；The position corresponding with described inner ring lower surface is set on described base plate plane
Counterbore is equipped with, described elastic sensing element coordinates with the counterbore on bottom plate and inner ring in minim gap to be installed；
Round platform is provided with described base plate plane, described inner ring is the corresponding place setting of platform set by bottom plate
There is pilot hole, described round platform carries out minim gap cooperation with described pilot hole；
Described inner ring upper surface is to be provided with lip on arc surface, described sealing ring；Described arc surface and sealing
The lip of circle is fitted；
Inner periphery behind the outer member of skeleton on described sealing ring with the outer shroud is interference fitted；
The outer shroud center offers screwed hole, and described outer shroud is matched somebody with somebody with the base crossbearer by screw rod with fixing nut
Close and install.
Preferably, the lip on the sealing ring in described sealing ring lateral lip device for pressure measurement is three, respectively one
Individual main lip and two lateral lips.
Preferably, the base in described sealing ring lateral lip device for pressure measurement is provided centrally with counterbore one, described bottom
Plate central lower is provided with round platform, and described base carries out minim gap cooperation with bottom plate by counterbore one and round platform.
Preferably, on the bottom plate in described sealing ring lateral lip device for pressure measurement plane with corresponding inner ring lower surface
Counterbore be four, four described counterbores are angularly distributed on same circumference every 90 degree.
Preferably, the round platform on the bottom plate in described sealing ring lateral lip device for pressure measurement in plane is 2, in 180
Degree distribution is set；Inner ring circumference and two round platform positions corresponding section are provided with two pilot holes.
Preferably, the radius of curvature of the arc surface of the inner ring in described sealing ring lateral lip device for pressure measurement and extra coarse degree
With actual installation state consistency of the sealing ring on hub bearing；Internal diameter, roughness, the edge of the inner peripheral surface of the outer shroud fall
Angle and actual installation state consistency of the sealing ring on hub bearing.
Preferably, the outer shroud in described sealing ring lateral lip device for pressure measurement is provided with 4 lightening holes in circumferencial direction.
A kind of sealing ring lateral lip pressure measurement method, comprises the following steps：
Step 1: first measuring outer shroud and the axially opposing gap c of inner ring part；The extension elongation of measurement sealing ring lateral lip is designated as
a；Sealing ring is pressed into outer shroud, the compression distance of sealing ring is measured, is designated as b；Then the component constituted outer shroud and sealing ring
The cooperation of circumferencial direction is carried out by sealing ring lip and inner ring；
Sealing ring lateral lip magnitude of interference △ L are determined according to equation below：
△ L=a-b-c
Step 2: the installation of sealing ring：Screw rod is screwed in from the centre bolt hole on base crossbeam top, convert rotational motion is
Screw rod performs motion, with the continuous decline of screw rod, and realizes and combine with outer shroud bolt hole, is selected into the centre bolt hole of outer shroud
In, realize the centre pilot to the outer shroud and positioning；
Screwed in screw rod, fixing nut end face is fitted with plane on base crossbeam, realized to screw rod by fixing nut
It is fixed；
Step 3: changing by 4 elastic sensing element sensings from sealing ring axial compressive force, the sealing be not installed
When enclosing 5, axial compressive force is 0；
Install after the sealing ring, each elastic sensing element axial deformation is δ i, the axial deformation passes through specific for δ i
Grating or mechanical scale be read, the coefficient of elasticity of the elastic sensing element being calibrated is Ki, by seeking summation, can be obtained
Take axial compressive force, equation below：
Step 4：Rotation outer shroud realizes that sealing ring is axially realizing that the different magnitudes of interference change, and finally gets difference
Axial compressive force under the lateral lip magnitude of interference.
Specifically,
The sealing ring lateral lip device for pressure measurement include base, bottom plate, elastic sensing element, inner ring, sealing ring, outer shroud,
Screw rod, fixing nut.
Base center is provided with a counterbore one, and bottom plate central lower is provided with a round platform；Base passes through respective with bottom plate
Center counterbore carries out matching with round platform and is connected, and is coordinated using small gap, it is ensured that meet both concentric；Plane point on bottom plate
4 counterbores and 2 round platforms are not offered, 4 counterbores are angularly distributed on same circumference every 90 degree, 2 round platforms are in 180 degree
It is symmetrical；A total of 4 of elastic sensing element, carries out minim gap cooperation with 4 counterbores on the bottom plate successively；Inner ring
Center is provided with loss of weight centre bore one big, and inner ring opens up 4 counterbores in lower surface, and 4 counterbores are on same circumference every 90
Degree is angularly distributed, and 4 counterbores carry out minim gap cooperation with 4 elements of the elastic sensing element respectively, and inner ring is in circle
2 symmetrical pilot holes of 180 degree are opened up on week, the round platform with the bottom plate carries out minim gap cooperation respectively；In inner ring
The edge on surface is processed to arc surface, and arc surface is fitted with 3 rubber lips of sealing ring, and the arc surface of inner ring is added
Work goes out and actual hub bearing inner ring arc surface identical radius of curvature and roughness, so as to ensure that identical contact is imitated
Really.
The inner periphery of skeleton outer circumference surface and outer shroud on sealing ring is interference fitted, interior on the inner peripheral surface of outer shroud
Footpath, roughness, edge chamfer are identical with outer ring inner peripheral surface internal diameter, roughness, edge chamfer in actual hub bearing respectively, from
And ensureing the cooperation between the sealing ring and outer shroud (magnitude of interference and compression distance) and true installment state has identical effect；
Outer shroud offers a screwed hole at center, and screwed hole realizes that screw thread pair coordinates with the screw rod, the spiral shell of circumferencial direction can be achieved
Rotation motion；Outer shroud opens up 4 large-scale lightening holes in circumferencial direction.
Screw rod realizes that screw thread pair coordinates with the screwed hole on base crossbeam, and the fixing nut is connected with screw flight,
Fixing nut is close to plane on crossbeam, for the screw rod that is tightened.
The course of work of whole sealing ring lateral lip device for pressure measurement：
First, the round platform pair inner ring being distributed by 2 180 degrees of 2 180 symmetrical centre bores and the bottom plate
Matching is connect, while connecting the outer shroud and the bottom plate by 4 elastic sensing elements.
Secondly, first the extension elongation a of sealing ring lateral lip is measured by measuring instrument；By specific press-fitting tool sealing
Circle press-in outer shroud, while measuring the compression distance b of sealing ring, the component that then outer shroud and sealing ring are constituted passes through close
Seal lip carries out the cooperation of circumferencial direction with the inner ring；Now, spiral shell is screwed in from the base crossbeam central upper portion bolt hole
Bar, convert rotational motion performs motion for screw rod, with the continuous decline of screw rod, and realizes knot with the outer shroud bolt hole
Close, be selected into the centre bolt hole of the outer shroud, realize the centre pilot to the outer shroud and positioning.
Again, screwed in by the fixing nut in the screw rod, on the fixing nut end face and the base crossbeam
Plane is fitted, and realizes the fixation to screw rod.
So far, the installation of the sealing ring is completed.
Finally, during measurement, changed by 4 elastic sensing elements sensing from sealing ring axial compressive force, do not pacified
When filling the sealing ring, axial compressive force is 0.Install after the sealing ring, each elastic sensing element axial deformation is δ i, the axle
It is changed into δ i to shape to be read by specific grating or mechanical scale, the coefficient of elasticity for the elastic sensing element being calibrated is
Ki, by seeking summation, can obtain axial compressive force, equation below (1)：
The outer shroud and the axially opposing gap c of inner ring part are first measured, sealing ring lateral lip interference is determined according to equation below 2
Amount：
△ L=a-b-c (2)
In addition, the rotatable outer shroud realizes that the sealing ring is axially realizing that the different magnitudes of interference change, and finally obtain
Get the axial compressive force under the different lateral lip magnitudes of interference.
The present invention eliminates circumferential plane unevenness pair using a kind of symmetrical sensing element design of circumference using average algorithm
The influence of measurement result；Using the Fixture Design for complying fully with original mounting condition so that measurement result can truly reflect wheel
The pressure characteristic of hub bearing sealed ring installment state.Light-weight technologg is carried out to the part for not being related to matching face in frock, eliminated
Measurement accumulated error caused by quality of conducting oneself with dignity.Pressure test can be combined for combined type lateral lip sealing ring, also can subdivision enter
Row individually test, so as to obtain each lateral lip pressure on the lip of oil seal.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is measurement apparatus overall structure diagram of the invention.
Fig. 2 is actual installation status architecture schematic diagram of the sealing ring on hub bearing.
Fig. 3 is inner ring overlooking the structure diagram.
Fig. 4 is outer shroud overlooking the structure diagram.
Fig. 5 is sealing ring magnitude of interference parameter a, b, c schematic diagram.
Fig. 6 is according to the pressure history obtained by the different magnitudes of interference.
Label declaration：1st, base；2nd, bottom plate；21st, base counterbore；3rd, elastic sensing element；4th, inner ring；41st, inner ring counterbore；
5th, sealing ring；51st, main lip；52nd, skeleton；53rd, lateral lip two；54th, lateral lip one；6th, outer shroud；7th, screw rod；8th, fixing nut；9th, loss of weight
Hole；10th, pilot hole；11st, round platform；12nd, counterbore one；13rd, bottom plate round platform；14th, inner ring screwed hole of centre；15th, inner ring；16th, outer ring；
Embodiment
With reference to embodiment, the present invention is described in further detail, following examples be explanation of the invention and
The invention is not limited in following examples.
Embodiment：
The invention provides a kind of sealing ring lateral lip device for pressure measurement, accompanying drawing 1 is seen, including base 1, bottom plate 2, elasticity are quick
Sensing unit 3, inner ring 4, sealing ring 5, outer shroud 6, screw rod 7, fixing nut 8；Such as Fig. 2, sealing ring 5 includes main lip 51, skeleton 52, side
Lip 2 53, lateral lip 1.
The center of base 1 is provided with a counterbore 1, and the central lower of bottom plate 2 is provided with a bottom plate round platform 13.The bottom
Seat 1 carries out matching by respective center counterbore and round platform with the bottom plate 2 and is connected, and is coordinated using small gap, it is ensured that full
Both sufficient is concentric.Plane offers 11,4 counterbores of 4 counterbores 21 and 2 round platforms in same circumference respectively on the bottom plate 2
On be angularly distributed every 90 degree, 2 round platforms are symmetrical in 180 degree.The elastic sensing element 3 a total of 4, successively with
4 counterbores on the bottom plate 2 carry out minim gap cooperation.
The center of inner ring 4 is provided with loss of weight centre bore one big, and the inner ring 4 opens up 4 counterbores, 4 in lower surface
Counterbore is angularly distributed on same circumference every 90 degree, and 4 counterbores enter with 4 elements of the elastic sensing element 3 respectively
Row minim gap coordinates, and the top view of the inner ring 4 is shown in accompanying drawing 3, and it is symmetrical that the inner ring 4 circumferentially opens up 2 180 degrees
Pilot hole 10, carry out minim gap cooperation with the round platform 11 of the bottom plate 2 respectively.The edge of the upper surface of inner ring 4 is added
Work is fitted into arc surface, arc surface with 3 rubber lips of the sealing ring 5, and the arc surface of the inner ring 4 is processed
With the arc surface identical radius of curvature of inner ring in accompanying drawing 2 15 and roughness, so as to ensure identical contact effect.
The inner periphery of cylindrical 16 side face of skeleton and the outer shroud 6 on the sealing ring 5 is interference fitted, the outer shroud
Internal diameter, roughness, edge chamfer on 6 inner peripheral surface respectively with outer ring inner peripheral surface internal diameter, roughness, edge in accompanying drawing 2
Chamfering is identical, thus ensure cooperation (magnitude of interference and compression distance) between the sealing ring 5 and outer shroud 6 with it is true in accompanying drawing 2
Real installment state has identical effect.The outer shroud 6 offers a screwed hole of centre 14, screwed hole and the screw rod at center
7 realize that screw thread pair coordinates, and the screw of circumferencial direction can be achieved.The outer shroud 6 opens up 4 large-scale lightening holes in circumferencial direction
9, the top view of the outer shroud 6 is shown in accompanying drawing 4.
The screw rod 7 realizes that screw thread pair coordinates with the screwed hole on the crossbeam of base 1, is connected on the screw thread of screw rod 7
There is the fixing nut 8, the fixing nut 8 is close to plane on crossbeam, for the screw rod 7 that is tightened.
The course of work of whole sealing ring lateral lip device for pressure measurement：
First, 22 that the inner ring 4 is passed through 2 180 symmetrical centre bores and the bottom plate 2 referring to the drawings
The round platform docking matching of 180 degree distribution, while connecting the outer shroud 4 and the bottom plate 2 by 4 elastic sensing elements 3.
Secondly, 5 first the extension elongation a of the lateral lip of sealing ring 5 is measured by measuring instrument referring to the drawings.Refer again to accompanying drawing 2
Sealing ring 5 is pressed into by specific press-fitting tool by outer shroud 6, the compression distance b of sealing ring is measured simultaneously according to accompanying drawing 5, then
The component that the outer shroud 6 is constituted with sealing ring 5 carries out the cooperation of circumferencial direction by the lip of sealing ring 5 and the inner ring 4.This
When, screw rod 7 is screwed in from the crossbeam central upper portion bolt hole of base 1, convert rotational motion performs motion for screw rod, with spiral shell
The continuous decline of bar, and realized with the bolt hole of outer shroud 6 in combination, the centre bolt hole for being selected into the outer shroud 6, realize to institute
State centre pilot and the positioning of outer shroud 6.
Again, screwed in by the fixing nut 8 in the screw rod 7, the end face of fixing nut 8 and the base 1 are horizontal
Plane is fitted on beam, realizes the fixation to screw rod 7.
So far, the installation of the sealing ring 5 is completed.
Finally, during measurement, changed by 4 elastic sensing elements 3 sensing from sealing ring axial compressive force, do not pacified
When filling the sealing ring 5, axial compressive force is 0.Install after the sealing ring 5, each elastic sensing element axial deformation is δ i, should
Axial deformation is that δ i are read by specific grating or mechanical scale, and the coefficient of elasticity for the elastic sensing element being calibrated is
Ki, by seeking summation, can obtain axial compressive force, equation below (1)：
The outer shroud 6 and the part axial relative gap c of inner ring 4 are first measured according to accompanying drawing 5, is determined according to equation below 2 close
The seal lateral lip magnitude of interference：
△ L=a-b-c (2)
In addition, the rotatable outer shroud 6 realizes that the sealing ring 5 is axially realizing that the different magnitudes of interference change, and it is final
Get the axial compressive force under the different lateral lip magnitudes of interference.
Referring to the drawings 5, first the extension elongation a of the lateral lip of sealing ring 5 is measured by measuring instrument：A=2.3mm.With reference to attached
Sealing ring 5, is pressed into outer shroud 6 by specific press-fitting tool, measures the compression distance b of sealing ring simultaneously according to accompanying drawing 5, surveyed by Fig. 2
Measure result b=0.7mm.The course of work of the whole sealing ring lateral lip device for pressure measurement with more than of reference picture 2, carries out the type
The installation of sealing ring 5.Referring to the drawings 5, the outer shroud 6 and inner ring 4 part axial relative gap c, measured value c=1.3mm are measured.
Calculated according to formula (2) and obtain lateral lip axial direction magnitude of interference △ L=2.3-0.7-1.3=0.3mm.
The coefficient of elasticity of 4 elastic sensing elements 3 is followed successively by K1=1.05N/mm, K2=by calibrated value
1.02N/mm, K3=1.05N/mm, K4=1.08N/mm.After the installation for completing the sealing ring 5, under the specific magnitudes of interference of 0.3mm
4 sensing elements elastic deformation and corresponding pressure successively such as table 1 below：
The pressure measurements table of table 1
Rotate the outer shroud 6 and realize that the sealing ring 5 is axially realizing that the different magnitudes of interference change, and finally get not
Axial compressive force under homonymy lip magnitude.If Fig. 6 is according to the pressure history obtained by the different magnitudes of interference.
Furthermore, it is necessary to explanation, the specific embodiment described in this specification, is named the shape of its parts and components
Title etc. can be different.The equivalent or simple change that all construction, feature and principles according to described in inventional idea of the present invention are done, is wrapped
Include in the protection domain of patent of the present invention.Those skilled in the art can be to described specific implementation
Example is made various modifications or supplement or substituted using similar mode, structure without departing from the present invention or surmounts this
Scope as defined in the claims, all should belong to protection scope of the present invention.
Claims (8)
1. a kind of sealing ring lateral lip device for pressure measurement, it is characterised in that：Described sealing ring lateral lip device for pressure measurement includes
Base, bottom plate, elastic sensing element, inner ring, sealing ring, outer shroud, screw rod and fixing nut；
Described base is connected with bottom plate；The position corresponding with described inner ring lower surface is provided with described base plate plane
Counterbore, described elastic sensing element coordinates with the counterbore on bottom plate and inner ring in minim gap to be installed；
Round platform is provided with described base plate plane, described inner ring is that the corresponding place of platform set by bottom plate is provided with and led
Xiang Kong, described round platform carries out minim gap cooperation with described pilot hole；
Described inner ring upper surface is to be provided with lip on arc surface, described sealing ring；Described arc surface and sealing ring
Lip is fitted；
Inner periphery behind the outer member of skeleton on described sealing ring with the outer shroud is interference fitted；
The outer shroud center offers screwed hole, and described outer shroud is coordinated with the base crossbearer by screw rod and fixing nut pacifies
Dress.
2. sealing ring lateral lip device for pressure measurement according to claim 1, it is characterised in that：Lip on described sealing ring
Mouth is three, respectively one main lip and two lateral lips.
3. sealing ring lateral lip device for pressure measurement according to claim 1, it is characterised in that：Described base is centrally disposed
There is counterbore one, described bottom plate central lower is provided with bottom plate round platform, and described base is entered with bottom plate by counterbore one and round platform
Row minim gap coordinates.
4. sealing ring lateral lip device for pressure measurement according to claim 1, it is characterised in that：On described bottom plate plane with
Counterbore on corresponding inner ring lower surface is four, and four described counterbores angularly divide on same circumference every 90 degree
Cloth.
5. sealing ring lateral lip device for pressure measurement according to claim 1, it is characterised in that：On described bottom plate in plane
Round platform be 2, in 180 degree be distributed set；Inner ring circumference and two round platform positions corresponding section are provided with two pilot holes.
6. sealing ring lateral lip device for pressure measurement according to claim 1, it is characterised in that：The arc surface of described inner ring
Radius of curvature and extra coarse degree and actual installation state consistency of the sealing ring on hub bearing；The inner peripheral surface of the outer shroud
The actual installation state consistency of internal diameter, roughness, edge chamfer and sealing ring on hub bearing.
7. sealing ring lateral lip device for pressure measurement according to claim 1, it is characterised in that：Described outer shroud is in circumference side
To being provided with 4 lightening holes.
8. a kind of sealing ring lateral lip pressure measurement method, it is characterised in that：Comprise the following steps：
Step 1: first measuring outer shroud and the axially opposing gap c of inner ring part；The extension elongation of measurement sealing ring lateral lip is designated as a；Will
Sealing ring is pressed into outer shroud, measures the compression distance of sealing ring, is designated as b；Then the component constituted outer shroud and sealing ring passes through
Sealing ring lip carries out the cooperation of circumferencial direction with inner ring；
Sealing ring lateral lip magnitude of interference △ L are determined according to equation below：
△ L=a-b-c
Step 2: the installation of sealing ring：Screw rod is screwed in from the centre bolt hole on base crossbeam top, convert rotational motion is screw rod
Perform motion, with the continuous decline of screw rod, and with outer shroud bolt hole realize combine, be selected into the centre bolt hole of outer shroud,
Realize the centre pilot to the outer shroud and positioning；
Screwed in by fixing nut in screw rod, fixing nut end face is fitted with plane on base crossbeam, realize the fixation to screw rod；
Step 3: changing by 4 elastic sensing element sensings from sealing ring axial compressive force, the sealing ring 5 be not installed
When, axial compressive force is 0；
Install after the sealing ring, each elastic sensing element axial deformation is δ i, the axial deformation is that δ i pass through specific light
Grid or mechanical scale are read, and the coefficient of elasticity for the elastic sensing element being calibrated is Ki, by seeking summation, can obtain axle
To pressure, equation below：
Step 4：Rotation outer shroud realizes that sealing ring is axially realizing that the different magnitudes of interference change, and finally gets different lateral lips
Axial compressive force under the magnitude of interference.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710097447.9A CN106969865B (en) | 2017-02-22 | 2017-02-22 | Sealing ring side lip pressure measuring device and measuring method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710097447.9A CN106969865B (en) | 2017-02-22 | 2017-02-22 | Sealing ring side lip pressure measuring device and measuring method |
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| CN106969865B CN106969865B (en) | 2023-04-21 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107907315A (en) * | 2017-10-30 | 2018-04-13 | 张旭 | A kind of taper hole type sealing ring pressure-bearing Auto-Test System |
| CN108168408A (en) * | 2017-11-29 | 2018-06-15 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of measuring method for ensureing lip seal assembling interference |
| CN110296648A (en) * | 2019-06-12 | 2019-10-01 | 浙江万向精工有限公司 | Hub-bearing unit sealing ring contact condition observation device and method |
| CN114166407A (en) * | 2021-10-20 | 2022-03-11 | 中国航发四川燃气涡轮研究院 | Sealing device for capillary pressure test lead tube |
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| CN107907315A (en) * | 2017-10-30 | 2018-04-13 | 张旭 | A kind of taper hole type sealing ring pressure-bearing Auto-Test System |
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| CN110296648B (en) * | 2019-06-12 | 2024-07-09 | 浙江万向精工有限公司 | Device and method for observing contact state of sealing ring of hub bearing unit |
| CN114166407A (en) * | 2021-10-20 | 2022-03-11 | 中国航发四川燃气涡轮研究院 | Sealing device for capillary pressure test lead tube |
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