CN106969865B - Sealing ring side lip pressure measuring device and measuring method - Google Patents
Sealing ring side lip pressure measuring device and measuring method Download PDFInfo
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- CN106969865B CN106969865B CN201710097447.9A CN201710097447A CN106969865B CN 106969865 B CN106969865 B CN 106969865B CN 201710097447 A CN201710097447 A CN 201710097447A CN 106969865 B CN106969865 B CN 106969865B
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- sealing ring
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- bottom plate
- side lip
- outer ring
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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
Abstract
The invention relates to the field of mechanical engineering and the automobile industry, in particular to a sealing ring side lip pressure measuring device and a measuring method; the sealing ring side lip pressure measuring device comprises a base, a bottom plate, an elastic sensing element, an inner ring, a sealing ring, an outer ring, a screw and a fixing nut; adopting a design of a circumferential symmetrical sensitive element, and adopting an average algorithm to eliminate the influence of circumferential plane unevenness on a measurement result; the tool design which completely accords with the original installation condition is adopted, so that the measurement result can truly reflect the pressure characteristic of the installation state of the hub bearing sealing ring; and carrying out light weight treatment on the part of the tooling, which is not related to the matching surface, and eliminating measurement accumulated errors caused by dead weight. The combined pressure test can be carried out on the combined type side lip sealing ring, and the independent test can be carried out by splitting, so that the lip pressure of each side lip can be obtained.
Description
Technical Field
The invention relates to the field of mechanical engineering and the automobile industry, in particular to a sealing ring side lip pressure measuring device and a measuring method.
Background
At present, in researching the influence factors of the friction moment of the hub bearing, the proportion of friction at the sealing part to the total friction of the hub bearing is large, and lip pressure is a key factor generated by friction at the sealing part. At present, no direct means exists for measuring the contact pressure of the sealing ring, most of pressure data are obtained by theoretical calculation or CAE simulation, and larger uncertainty exists, so that a direct pressure measuring method and a direct pressure measuring device are required to be invented. The invention aims to solve the problem, develops a special side lip pressure measuring device for the hub bearing sealing ring, and achieves the effect of completely simulating the actual installation condition of the hub bearing sealing ring.
Disclosure of Invention
The invention aims to:
(1) The installation state of the sealing ring on an actual bearing product is simulated, and the condition that the framework is matched with the periphery in the same roughness, hardness and interference is met, and the sealing rubber side lip is matched with the inner ring in the same roughness, hardness and interference.
(2) And measuring contact pressure of the side lips under different interference magnitudes, and supporting the research on the friction characteristics of the bearing.
(3) The measurement results are provided to the designer for calibration of the CAE analysis method.
The invention provides a sealing ring side lip pressure measuring device, which comprises a base, a bottom plate, an elastic sensing element, an inner ring, a sealing ring, an outer ring, a screw and a fixing nut, wherein the base is provided with a sealing ring;
the base is connected with the bottom plate; the elastic sensing element is arranged on the bottom plate plane and is matched with the counter bores on the bottom plate and the inner ring in a tiny clearance fit manner;
the plane of the bottom plate is provided with a round table, the inner ring is provided with a guide hole at a position corresponding to the platform of the bottom plate, and the round table is in micro clearance fit with the guide hole;
the upper surface of the inner ring is an arc surface, and a lip is arranged on the sealing ring; the arc surface is attached to the lip of the sealing ring;
the back of the skeleton outer element on the sealing ring is in interference fit with the inner circumference of the outer ring;
the center of the outer ring is provided with a threaded hole, and the outer ring and the base cross frame are installed in a matched mode through a screw rod and a fixing nut.
Preferably, the sealing ring side lip pressure measuring device has three lips on the sealing ring, namely a main lip and two side lips.
Preferably, a counter bore I is arranged in the center of a base in the sealing ring side lip pressure measuring device, a round table is arranged below the center of the bottom plate, and the base and the bottom plate are in micro clearance fit with the round table through the counter bore I.
Preferably, the number of counter bores on the upper plane of the bottom plate and the lower surface of the corresponding inner ring in the sealing ring side lip pressure measuring device is four, and the four counter bores are distributed on the same circumference at equal angles of every 90 degrees.
Preferably, the number of the round tables on the upper plane of the bottom plate in the sealing ring side lip pressure measuring device is 2, and the round tables are distributed at 180 degrees; two guide holes are arranged at the positions of the circumference of the inner ring corresponding to the two round tables.
Preferably, the radius of curvature and the rough superdegree of the arc surface of the inner ring in the sealing ring side lip pressure measuring device are consistent with the actual installation state of the sealing ring on the hub bearing; the inner diameter, roughness and edge chamfer of the inner circumferential surface of the outer ring are consistent with the actual installation state of the sealing ring on the hub bearing.
Preferably, the outer ring of the sealing ring side lip pressure measuring device is provided with 4 lightening holes in the circumferential direction.
A seal ring side lip pressure measuring method comprises the following steps:
firstly, measuring an axial relative clearance c between an outer ring and an inner ring part; measuring the extension length of a side lip of the sealing ring and recording as a; pressing the sealing ring into the outer ring, and measuring the pressing depth of the sealing ring, which is marked as b; then the assembly formed by the outer ring and the sealing ring is matched with the inner ring in the circumferential direction through the lip of the sealing ring;
the interference delta L of the side lip of the sealing ring is determined according to the following formula:
△L＝a-b-c
step two, installing a sealing ring: the screw is screwed in from a central bolt hole at the upper part of the base beam, the rotary motion is converted into the executing motion of the screw, and the executing motion is continuously lowered along with the screw and combined with an outer ring bolt hole, and the screw is selected into the central bolt hole of the outer ring to realize the central guiding and positioning of the outer ring;
the end face of the fixing nut is attached to the upper plane of the base cross beam through screwing the fixing nut into the screw rod, so that the screw rod is fixed;
sensing axial pressure change from the sealing ring through 4 elastic sensitive elements, wherein the axial pressure is 0 when the sealing ring 5 is not installed;
after the sealing rings are installed, each elastic sensing element is axially deformed into δi, the axial deformation δi is read through a specific grating or mechanical scale, the elastic coefficient of the calibrated elastic sensing element is Ki, and the axial pressure can be obtained by summing up the elastic coefficients, wherein the following formula is as follows:
step four: the outer ring is rotated to realize that the sealing ring is changed in different interference magnitudes in the axial direction, and finally the axial pressure under different interference magnitudes of the side lips is obtained.
In particular, the method comprises the steps of,
the sealing ring side lip pressure measuring device comprises a base, a bottom plate, an elastic sensing element, an inner ring, a sealing ring, an outer ring, a screw rod and a fixing nut.
The center of the base is provided with a counter bore I, and a round table is arranged below the center of the bottom plate; the base and the bottom plate are matched and connected with the round table through respective center counter bores, and the base and the bottom plate are matched and matched with each other by a tiny clearance, so that concentricity of the base and the bottom plate is ensured to be met; the upper plane of the bottom plate is respectively provided with 4 counter bores and 2 circular tables, the 4 counter bores are distributed on the same circumference at equal angles of every 90 degrees, and the 2 circular tables are symmetrically distributed at 180 degrees; the total number of the elastic sensitive elements is 4, and the elastic sensitive elements are sequentially in micro clearance fit with the 4 counter bores on the bottom plate; the center of the inner ring is provided with a large weight-reducing center hole, the lower surface of the inner ring is provided with 4 counter bores, the 4 counter bores are distributed at equal angles of every 90 degrees on the same circumference, the 4 counter bores are respectively in micro clearance fit with the 4 elements of the elastic sensitive element, the circumference of the inner ring is provided with 2 guide holes which are symmetrically distributed at 180 degrees, and the guide holes are respectively in micro clearance fit with the round table of the bottom plate; the edge of the upper surface of the inner ring is processed into an arc surface, the arc surface is attached to 3 rubber lips of the sealing ring, and the arc surface of the inner ring is processed into the same curvature radius and roughness as those of the arc surface of the inner ring of the actual hub bearing, so that the same contact pressure effect is ensured.
The outer circumferential surface of the framework on the sealing ring is in interference fit with the inner circumference of the outer ring, and the inner diameter, the roughness and the edge chamfer on the inner circumferential surface of the outer ring are respectively the same as the inner diameter, the roughness and the edge chamfer of the inner circumferential surface of the outer ring in the actual hub bearing, so that the fit (the interference and the pressing depth) between the sealing ring and the outer ring is ensured to have the same effect as the actual installation state; the center of the outer ring is provided with a threaded hole, the threaded hole is matched with the screw rod in a threaded pair mode, and spiral movement in the circumferential direction can be achieved; the outer ring is provided with 4 large lightening holes in the circumferential direction.
Screw rod and the screw hole on the base crossbeam realize the vice cooperation of screw thread, are connected with on the screw rod screw thread fixation nut, fixation nut hugs closely in the crossbeam upper plane for screw fixation screw rod.
The working process of the whole sealing ring side lip pressure measuring device comprises the following steps:
firstly, the inner ring is in butt joint matching with 2 round tables which are distributed at 180 degrees of the bottom plate through 2 center holes which are distributed symmetrically, and meanwhile, the outer ring is connected with the bottom plate through the 4 elastic sensitive elements.
Secondly, firstly, measuring the extension length a of the side lip of the sealing ring by a measuring instrument; pressing a sealing ring into an outer ring through a specific press-fit tool, measuring the pressing depth b of the sealing ring at the same time, and then performing circumferential matching on an assembly formed by the outer ring and the sealing ring through a sealing ring lip; at this time, the screw is screwed in from the central bolt hole at the upper part of the base beam, the rotary motion is converted into the execution motion of the screw, and the screw descends continuously and is combined with the outer ring bolt hole, and the screw is selected into the central bolt hole of the outer ring, so that the central guiding and positioning of the outer ring are realized.
And thirdly, screwing the fixing nut into the screw rod, and attaching the end face of the fixing nut to the upper plane of the base beam to fix the screw rod.
Thus, the installation of the sealing ring is completed.
Finally, during measurement, the axial pressure change from the sealing ring is sensed through the 4 elastic sensitive elements, and when the sealing ring is not installed, the axial pressure is 0. After the sealing rings are installed, each elastic sensing element is axially deformed into δi, the axial deformation δi is read through a specific grating or mechanical scale, the elastic coefficient of the calibrated elastic sensing element is Ki, and the axial pressure can be obtained by summing up the elastic coefficients, wherein the axial pressure is represented by the following formula (1):
firstly, measuring an axial relative clearance c between the outer ring and the inner ring part, and determining the interference of a side lip of a sealing ring according to the following formula 2:
△L＝a-b-c (2)
in addition, the outer ring can be rotated to realize that the sealing ring is changed in different interference magnitudes in the axial direction, and finally the axial pressure under different side lip interference magnitudes is obtained.
The invention adopts a design of a circumferential symmetrical sensitive element, and adopts an average algorithm to eliminate the influence of circumferential plane unevenness on a measurement result; the tool design which completely accords with the original installation condition is adopted, so that the measurement result can truly reflect the pressure characteristic of the installation state of the hub bearing sealing ring. And carrying out light weight treatment on the part of the tooling, which is not related to the matching surface, and eliminating measurement accumulated errors caused by dead weight. The combined pressure test can be carried out on the combined type side lip sealing ring, and the independent test can be carried out by splitting, so that the lip pressure of each side lip can be obtained.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the whole structure of the measuring device of the present invention.
Fig. 2 is a schematic structural view of the actual mounting state of the seal ring on the hub bearing.
Fig. 3 is a schematic top view of the inner ring.
Fig. 4 is a schematic top view of the outer ring.
Fig. 5 is a schematic diagram of interference parameters a, b and c of the sealing ring.
Fig. 6 is a graph of pressure change according to different interference.
Description of the reference numerals: 1. a base; 2. a bottom plate; 21. a base counter bore; 3. an elastic sensing element; 4. an inner ring; 41. an inner ring counter bore; 5. a seal ring; 51. a main lip; 52. a skeleton; 53. a second side lip; 54. a first side lip; 6. an outer ring; 7. a screw; 8. a fixing nut; 9. a lightening hole; 10. a guide hole; 11. round bench; 12. a counter bore I; 13. round table of the bottom plate; 14. an inner ring central threaded hole; 15. an inner ring; 16. an outer ring;
Detailed Description
The present invention will be described in further detail with reference to the following examples, which are illustrative of the present invention and are not intended to limit the present invention thereto.
Examples:
the invention provides a sealing ring side lip pressure measuring device, which is shown in figure 1, and comprises a base 1, a bottom plate 2, an elastic sensing element 3, an inner ring 4, a sealing ring 5, an outer ring 6, a screw rod 7 and a fixing nut 8; as shown in fig. 2, the seal ring 5 includes a main lip 51, a skeleton 52, a second side lip 53, and a first side lip 54.
The center of the base 1 is provided with a counter bore I12, and a bottom plate round table 13 is arranged below the center of the bottom plate 2. The base 1 and the bottom plate 2 are connected with the circular truncated cone in a matching way through respective center counter bores, and the base and the bottom plate are matched with each other in a tiny clearance fit manner, so that concentricity of the base and the bottom plate is guaranteed to be met. The upper plane of the bottom plate 2 is respectively provided with 4 counter bores 21 and 2 circular tables 11, the 4 counter bores are distributed on the same circumference at equal angles of 90 degrees, and the 2 circular tables are symmetrically distributed at 180 degrees. The elastic sensitive elements 3 are 4 in total and are in micro clearance fit with the 4 counter bores on the bottom plate 2 in sequence.
The center of the inner ring 4 is provided with a large weight-reducing center hole, the lower surface of the inner ring 4 is provided with 4 counter bores, the 4 counter bores are distributed on the same circumference at equal angles of every 90 degrees, the 4 counter bores are respectively in micro clearance fit with the 4 elements of the elastic sensitive element 3, the top view of the inner ring 4 is shown in figure 3, the circumference of the inner ring 4 is provided with 2 guide holes 10 which are symmetrically distributed at 180 degrees, and the guide holes are respectively in micro clearance fit with the round table 11 of the bottom plate 2. The edge of the upper surface of the inner ring 4 is processed into an arc surface, the arc surface is attached to 3 rubber lips of the sealing ring 5, and the arc surface of the inner ring 4 is processed into the same curvature radius and roughness as those of the arc surface of the inner ring 15 in fig. 2, so that the same contact pressure effect is ensured.
The outer circumference of the skeleton 16 on the sealing ring 5 is in interference fit with the inner circumference of the outer ring 6, and the inner diameter, roughness and edge chamfer on the inner circumference of the outer ring 6 are the same as those of the inner circumference of the outer ring in fig. 2, so as to ensure that the fit (the interference and the pressing depth) between the sealing ring 5 and the outer ring 6 has the same effect as the real installation state in fig. 2. The outer ring 6 is provided with a central threaded hole 14 in the center, the threaded hole and the screw rod 7 realize threaded pair matching, and spiral movement in the circumferential direction can be realized. The outer ring 6 is provided with 4 large lightening holes 9 along the circumferential direction, and the top view of the outer ring 6 is shown in fig. 4.
The screw rod 7 and the threaded hole on the beam of the base 1 realize threaded pair matching, the screw rod 7 is connected with the fixing nut 8 in a threaded manner, and the fixing nut 8 is clung to the upper plane of the beam and is used for screwing and fixing the screw rod 7.
The working process of the whole sealing ring side lip pressure measuring device comprises the following steps:
firstly, referring to fig. 2, the inner ring 4 is butt-matched with 2 circular tables distributed at 180 degrees of the bottom plate 2 through 2 central holes distributed at 180 degrees, and meanwhile, the outer ring 4 is connected with the bottom plate 2 through the 4 elastic sensitive elements 3.
Next, referring to fig. 5, the extension a of the side lip of the seal ring 5 is measured by a measuring instrument. Referring to fig. 2, the sealing ring 5 is pressed into the outer ring 6 by a specific press-fitting tool, the pressing depth b of the sealing ring is measured according to fig. 5, and then the assembly formed by the outer ring 6 and the sealing ring 5 is matched with the inner ring 4 in the circumferential direction through the lip of the sealing ring 5. At this time, the screw rod 7 is screwed in from the central bolt hole at the upper part of the beam of the base 1, the rotary motion is converted into the execution motion of the screw rod, and the execution motion is continuously lowered along with the screw rod and combined with the bolt hole of the outer ring 6, and the execution motion is selected into the central bolt hole of the outer ring 6 to realize the central guiding and positioning of the outer ring 6.
And the screw rod 7 is screwed in through the fixing nut 8, and the end face of the fixing nut 8 is attached to the upper plane of the beam of the base 1, so that the screw rod 7 is fixed.
Thus, the installation of the seal ring 5 is completed.
Finally, during measurement, the axial pressure change from the sealing ring is sensed by the 4 elastic sensitive elements 3, and when the sealing ring 5 is not installed, the axial pressure is 0. After the sealing ring 5 is installed, each elastic sensing element is axially deformed into δi, the axial deformation δi is read through a specific grating or mechanical scale, the elastic coefficient of the calibrated elastic sensing element is Ki, and by summing, the axial pressure can be obtained, as shown in the following formula (1):
according to fig. 5, the axial relative clearance c between the parts of the outer ring 6 and the inner ring 4 is measured, and the interference of the side lip of the sealing ring is determined according to the following formula 2:
△L＝a-b-c (2)
in addition, the outer ring 6 can be rotated to realize different interference changes of the sealing ring 5 in the axial direction, and finally, the axial pressure under different side lip interference is obtained.
Referring to fig. 5, the extension a of the side lip of the seal ring 5 is measured by a measuring instrument: a=2.3 mm. Referring to fig. 2, the sealing ring 5 is pressed into the outer ring 6 by a specific press-fitting tool, and the pressing depth b of the sealing ring is measured simultaneously according to fig. 5, with the measurement result b=0.7 mm. The installation of the sealing ring 5 of the type described above is carried out with reference to fig. 2 and the working process of the entire sealing ring side lip pressure measuring device above. Referring to fig. 5, the axial relative clearance c between the parts of the outer ring 6 and the inner ring 4 is measured, c=1.3 mm. The axial interference of the side lips is calculated according to the formula (2), wherein DeltaL=2.3-0.7-1.3=0.3 mm.
The values of the elastic coefficients of the 4 elastic sensitive elements 3 after calibration are K1=1.05N/mm, K2=1.02N/mm, K3=1.05N/mm and K4=1.08N/mm in sequence. After the installation of the sealing ring 5 is completed, the elastic deformation and the corresponding pressure of the 4 sensitive elements under the specific interference of 0.3mm are shown in the following table 1:
table 1 pressure measurement results table
Rotating the outer ring 6 realizes that the sealing ring 5 changes different interference magnitudes in the axial direction, and finally obtains the axial pressure under different side lip interference magnitudes. Fig. 6 shows pressure change curves according to different interference amounts.
In addition, the specific embodiments described in the present specification may differ in terms of parts, shapes of components, names, and the like. All equivalent or simple changes of the structure, characteristics and principle according to the inventive concept are included in the protection scope of the present invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the invention as defined in the accompanying claims.
Claims (6)
1. The utility model provides a sealing washer side lip pressure measurement device which characterized in that: the sealing ring side lip pressure measuring device comprises a base, a bottom plate, an elastic sensing element, an inner ring, a sealing ring, an outer ring, a screw and a fixing nut;
the base is connected with the bottom plate; the elastic sensing element is arranged on the bottom plate plane and is matched with the counter bores on the bottom plate and the inner ring in a tiny clearance fit manner;
the plane of the bottom plate is provided with a round table, the inner ring is provided with a guide hole at a position corresponding to the platform of the bottom plate, and the round table is in micro clearance fit with the guide hole;
the upper surface of the inner ring is an arc surface, and a lip is arranged on the sealing ring; the arc surface is attached to the lip of the sealing ring;
the back of the skeleton outer element on the sealing ring is in interference fit with the inner circumference of the outer ring;
the center of the outer ring is provided with a threaded hole, and the outer ring and the transverse frame of the base are mounted in a matched manner through a screw rod and a fixed nut;
the number of lips on the sealing ring is three, namely a main lip and two side lips;
the base center be provided with counter bore one, bottom plate center below be provided with the bottom plate round platform, base and bottom plate carry out little clearance fit with the round platform through counter bore one.
2. The seal ring side lip pressure measuring device according to claim 1, wherein: the four counter bores on the upper plane of the bottom plate and the lower surface of the corresponding inner ring are distributed at equal angles of every 90 degrees on the same circumference.
3. The seal ring side lip pressure measuring device according to claim 1, wherein: the number of the round tables on the upper plane of the bottom plate is 2, and the round tables are distributed at 180 degrees; two guide holes are arranged at the positions of the circumference of the inner ring corresponding to the two round tables.
4. The seal ring side lip pressure measuring device according to claim 1, wherein: the curvature radius and the rough superdegree of the arc surface of the inner ring are consistent with the actual installation state of the sealing ring on the hub bearing; the inner diameter, roughness and edge chamfer of the inner circumferential surface of the outer ring are consistent with the actual installation state of the sealing ring on the hub bearing.
5. The seal ring side lip pressure measuring device according to claim 1, wherein: the outer ring is provided with 4 lightening holes in the circumferential direction.
6. A sealing ring side lip pressure measuring method is characterized in that: the method comprises the following steps:
firstly, measuring an axial relative clearance c between an outer ring and an inner ring part; measuring the extension length of a side lip of the sealing ring and recording as a; pressing the sealing ring into the outer ring, and measuring the pressing depth of the sealing ring, which is marked as b; then the assembly formed by the outer ring and the sealing ring is matched with the inner ring in the circumferential direction through the lip of the sealing ring;
the interference delta L of the side lip of the sealing ring is determined according to the following formula:
△L＝a-b-c
step two, installing a sealing ring: the screw is screwed in from a central bolt hole at the upper part of the base beam, the rotary motion is converted into the executing motion of the screw, and the executing motion is continuously lowered along with the screw and combined with an outer ring bolt hole, and the screw is selected into the central bolt hole of the outer ring to realize the central guiding and positioning of the outer ring;
the end face of the fixing nut is attached to the upper plane of the base cross beam through screwing the fixing nut into the screw rod, so that the screw rod is fixed;
sensing axial pressure change from the sealing ring through 4 elastic sensitive elements, wherein the axial pressure is 0 when the sealing ring is not installed;
after the sealing rings are installed, each elastic sensing element is axially deformed into δi, the axial deformation δi is read through a specific grating or mechanical scale, the elastic coefficient of the calibrated elastic sensing element is Ki, and the axial pressure can be obtained by summing up the elastic coefficients, wherein the following formula is as follows:
step four: the outer ring is rotated to realize that the sealing ring is changed in different interference magnitudes in the axial direction, and finally the axial pressure under different interference magnitudes of the side lips is obtained.
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907315B (en) * | 2017-10-30 | 2019-12-13 | 安徽省徽腾智能交通科技有限公司 | Automatic pressure-bearing test system for taper hole type sealing ring |
| 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 |
| CN114166407B (en) * | 2021-10-20 | 2023-06-30 | 中国航发四川燃气涡轮研究院 | Sealing device for capillary pressure test lead tube |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3271995A (en) * | 1962-11-20 | 1966-09-13 | Goetzewerke | Measuring the radial force exerted by shaft sealing rings |
| EP0182438A1 (en) * | 1984-11-23 | 1986-05-28 | SKF Industrial Trading & Development Co, B.V. | Means for measuring a radial force |
| CN203672527U (en) * | 2013-12-25 | 2014-06-25 | 江苏容天乐机械股份有限公司 | Sealing ring torque measuring tool |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3188855A (en) * | 1961-08-25 | 1965-06-15 | Gen Motors Corp | Seal lip force gauge and method |
| GB1014079A (en) * | 1963-11-21 | 1965-12-22 | Angus George Co Ltd | Improvements in and relating to apparatus for testing lip seals |
| DE2333503C2 (en) * | 1973-07-02 | 1982-04-22 | Gesellschaft zur Förderung der Eisenhüttentechnik mbH, 4000 Düsseldorf | Device for measuring forces or pressures |
| WO1989012190A1 (en) * | 1988-05-31 | 1989-12-14 | Erhard Weber | Radial pressure seal |
| PL176967B1 (en) * | 1995-07-07 | 1999-08-31 | Akad Gorniczo Hutnicza | Method of measuring radial thrust exerted by lips of sealing rings |
| GB2317701A (en) * | 1996-08-22 | 1998-04-01 | Vladimir Brnicevic | Seal with integral pressure sensor |
| CN101574896A (en) * | 2008-05-05 | 2009-11-11 | 万向集团公司 | Hub bearing unit |
| JP2011088513A (en) * | 2009-10-21 | 2011-05-06 | Ntn Corp | Bearing seal for wheels and bearing device for wheels equipped with the same |
| EP2336743A1 (en) * | 2009-12-17 | 2011-06-22 | Carl Freudenberg KG | Seal arrangement |
| CN101963534A (en) * | 2010-09-07 | 2011-02-02 | 青岛开世密封工业有限公司 | Tension test system and method for testing press-in force and pull-out force of skeleton sealing ring thereof |
| JP5531970B2 (en) * | 2011-01-13 | 2014-06-25 | 株式会社デンソー | Seal plate inspection method |
| CN203337088U (en) * | 2013-06-09 | 2013-12-11 | 万向钱潮股份有限公司 | A multifunctional detecting apparatus |
| JP2015143564A (en) * | 2013-12-27 | 2015-08-06 | 日本精工株式会社 | Wheel support bearing unit with seal |
| CN104729446B (en) * | 2015-03-13 | 2017-07-07 | 清华大学 | A kind of device for measuring the displacement of sealing ring elastic deformation limit and maximum static friction force |
| CN206556794U (en) * | 2017-02-22 | 2017-10-13 | 浙江万向精工有限公司 | A kind of sealing ring lateral lip device for pressure measurement |
-
2017
- 2017-02-22 CN CN201710097447.9A patent/CN106969865B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3271995A (en) * | 1962-11-20 | 1966-09-13 | Goetzewerke | Measuring the radial force exerted by shaft sealing rings |
| EP0182438A1 (en) * | 1984-11-23 | 1986-05-28 | SKF Industrial Trading & Development Co, B.V. | Means for measuring a radial force |
| CN203672527U (en) * | 2013-12-25 | 2014-06-25 | 江苏容天乐机械股份有限公司 | Sealing ring torque measuring tool |
Non-Patent Citations (1)
| Title |
|---|
| 高压大流量水阀U形密封圈失效机理;陈国强等;《中南大学学报(自然科学版)》(第03期);81-87 * |
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| CN106969865A (en) | 2017-07-21 |
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