CN112065847A - Damping thrust bearing for steering system of commercial vehicle - Google Patents
Damping thrust bearing for steering system of commercial vehicle Download PDFInfo
- Publication number
- CN112065847A CN112065847A CN202010896877.9A CN202010896877A CN112065847A CN 112065847 A CN112065847 A CN 112065847A CN 202010896877 A CN202010896877 A CN 202010896877A CN 112065847 A CN112065847 A CN 112065847A
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- Prior art keywords
- ring
- gasket
- bearing
- chip groove
- steering system
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Links
- 238000013016 damping Methods 0.000 title claims abstract description 29
- 230000003068 static effect Effects 0.000 claims abstract description 27
- 229910000881 Cu alloy Inorganic materials 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 53
- 239000000463 material Substances 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
- F16C17/08—Sliding-contact bearings for exclusively rotary movement for axial load only for supporting the end face of a shaft or other member, e.g. footstep bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1095—Construction relative to lubrication with solids as lubricant, e.g. dry coatings, powder
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/02—Rigid support of bearing units; Housings, e.g. caps, covers in the case of sliding-contact bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Of Bearings (AREA)
Abstract
The invention discloses a damping thrust bearing for a steering system of a commercial vehicle, which comprises a bearing ring moving ring, a bearing ring static ring and a gasket arranged between the bearing ring moving ring and the bearing ring static ring, wherein the gasket is made of copper alloy, the gasket is provided with a plurality of chip groove units, all the chip groove units are circumferentially distributed on the end surface of the gasket, each chip groove unit comprises a first chip groove and a second chip groove, and the first chip grooves and the second chip grooves are arranged in a V shape. The damping thrust bearing for the steering system of the commercial vehicle adopts the copper alloy gasket to be in contact with the bearing ring static ring and the bearing ring dynamic ring, and the first chip-removing grooves and the second chip-removing grooves arranged on the gasket are arranged in a V shape, so that the obtained frictional damping force can well meet the requirement of stable damping force, and the damping performance of the bearing is stable.
Description
Technical Field
The invention belongs to the technical field of bearings, and particularly relates to a damping thrust bearing for a steering system of a commercial vehicle.
Background
The damping thrust bearing is used on a steering system of a commercial vehicle, is used for adjusting the steering force, and realizes stable and reliable steering damping force while bearing the load of a vehicle body. The prior art mainly realizes the damping force acquisition through a damping ring made of engineering plastics, and the problems of excessive abrasion, dryness, unstable damping force and the like easily occur after the damping ring is loaded for a long time; meanwhile, because reliable sealing is not available, external impurities are very easy to invade the inside of the bearing, and the phenomenon of clamping stagnation is caused after invasion.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a damping thrust bearing for a steering system of a commercial vehicle, aiming at ensuring the stability of damping force.
In order to achieve the purpose, the invention adopts the technical scheme that: commercial car is damping footstep bearing for a steering system, including race rotating ring, race rotating ring and set up the gasket between race rotating ring and race rotating ring, the material of gasket is the copper alloy, and the gasket has the chip groove unit, and the chip groove unit sets up a plurality ofly and all chip groove units and distributes for along circumference on the terminal surface of gasket, and the chip groove unit includes first chip groove and second chip groove, and first chip groove and second chip groove are the V-arrangement.
All the chip groove units are uniformly distributed on the end face of the gasket along the circumferential direction.
The chip groove units are arranged on the first end face and the second end face of the gasket, the first end face of the gasket is in contact with the bearing ring moving ring, and the second end face of the gasket is in contact with the bearing ring static ring.
The first chip groove and the second chip groove extend from the inner circular surface of the gasket to the outer circular surface of the gasket, an included angle is formed between the length direction of the first chip groove and the length direction of the second chip groove, and the included angle is an acute angle
The damping thrust bearing for the steering system of the commercial vehicle further comprises a sealing housing, the sealing housing comprises a housing body, an inner flanging connected with the housing body and a sealing lip part connected with the inner flanging and contacted with the bearing ring moving ring, the bearing ring static ring and the gasket are located inside the housing body, and the bearing ring static ring and the housing body are in interference fit.
The sealing lip is made of rubber and is fixedly connected with one end of the inward flanging.
The inner flanging is a conical ring-shaped element and is coaxially and fixedly connected with the housing body, the inner flanging is provided with a large-diameter end and a small-diameter end, the large-diameter end of the inner flanging is fixedly connected with the end part of the housing body, one end of the sealing lip is fixedly connected with the small-diameter end of the inner flanging, the end of the sealing lip is positioned between the bearing ring moving ring and the inner flanging, and the other end of the sealing lip is positioned outside the inner flanging.
The seal lip is provided with a first contact surface, the bearing ring has a matching surface which is in contact with the first contact surface of the seal lip, and the first contact surface and the matching surface are conical surfaces.
The bearing ring static ring is used for being sleeved on a mandrel of a steering system of a commercial vehicle, and a sealing ring is arranged between the bearing ring static ring and the mandrel.
The sealing ring is an O-shaped ring.
The damping thrust bearing for the steering system of the commercial vehicle adopts the copper alloy gasket to be in contact with the bearing ring static ring and the bearing ring dynamic ring, and the first chip-removing grooves and the second chip-removing grooves arranged on the gasket are arranged in a V shape, so that the obtained frictional damping force can well meet the requirement of stable damping force, and the damping performance of the bearing is stable.
Drawings
The description includes the following figures, the contents shown are respectively:
FIG. 1 is a cross-sectional view of a damped thrust bearing for a steering system of a commercial vehicle in accordance with the present invention;
FIG. 2 is a schematic view of a gasket construction;
FIG. 3 is a cross-sectional view of the sealed enclosure;
FIG. 4 is a schematic structural diagram of a damping thrust bearing for a steering system of a commercial vehicle according to the present invention;
labeled as: 1. a bearing ring is coiled; 2. a bearing ring stationary ring; 3. a gasket; 301. a first chip discharge groove; 302. a second chip groove; 4. a housing body; 5. a sealing lip; 6. a seal ring; 7. a first contact surface; 8. a second contact surface; 9. and (4) inward flanging.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention and to facilitate its implementation.
It should be noted that, in the following embodiments, the "first" and "second" do not represent an absolute distinction relationship in structure and/or function, nor represent a sequential execution order, but merely for convenience of description.
As shown in fig. 1 to 4, the invention provides a damping thrust bearing for a steering system of a commercial vehicle, which comprises a sealing cover shell, a bearing ring moving ring 1, a bearing ring static ring 2 and a gasket 3 arranged between the bearing ring moving ring 1 and the bearing ring static ring 2. The gasket 3 is made of copper alloy, the copper content of the copper alloy is 61%, the copper alloy has good self-lubricating property, the gasket 3 is provided with a plurality of chip groove units, all the chip groove units are circumferentially distributed on the end face of the gasket 3, each chip groove unit comprises a first chip groove 301 and a second chip groove 302, and the first chip grooves 301 and the second chip grooves 302 are arranged in a V shape. The damping thrust bearing with the structure can provide stable and reliable damping force while bearing the load of the vehicle body, and has stable damping performance.
Specifically, as shown in fig. 1 to 4, the bearing ring moving ring 1, the bearing ring stationary ring 2, and the gasket 3 are all circular ring structures, the bearing ring moving ring 1, the bearing ring stationary ring 2, and the gasket 3 are coaxially disposed, and all the chip groove units are uniformly distributed on the end surface of the gasket 3 along the circumferential direction. The first end face and the second end face of the gasket 3 are both provided with chip groove units, the number of the chip groove units arranged on the first end face and the second end face of the gasket 3 is the same, the first end face and the second end face of the gasket 3 are end faces of two opposite ends of the gasket 3 in the axial direction, the first end face of the gasket 3 is in contact with the bearing ring moving ring 1, and the second end face of the gasket 3 is in contact with the bearing ring static ring 2. All chip groove units arranged on the first end face of the gasket 3 are uniformly distributed along the circumferential direction, all chip groove units arranged on the second end face of the gasket 3 are uniformly distributed along the circumferential direction, the chip groove units are uniformly distributed, the symmetry degree is high, the chip removal effect is good, the appearance is attractive, and the damping performance of the bearing is ensured to be stable.
As shown in fig. 1 and 2, the first chip grooves 301 extend from the inner circumferential surface of the gasket 3 to the outer circumferential surface of the gasket 3 in the radial direction of the gasket 3, the second chip grooves 302 also extend from the inner circumferential surface of the gasket 3 to the outer circumferential surface of the gasket 3 in the radial direction of the gasket 3, the number of the first chip grooves 301 and the number of the second chip grooves 302 provided on the same end surface (e.g., the first end surface or the second end surface) of the gasket 3 are the same, and the first chip grooves 301 and the second chip grooves 302 are used for guiding impurities such as wear generated during use out of the bearing. For each chip groove unit, one first chip groove 301 and one second chip groove 302 are arranged, an included angle is formed between the length direction of the first chip groove 301 and the length direction of the second chip groove 302, the included angle is an acute angle, the first chip groove 301 and the second chip groove 302 are symmetrically arranged by taking a radial line of the gasket 3 as a symmetrical line, the first chip groove 301 and the second chip groove 302 start to extend towards the outer circular surface of the gasket 3 at the same position on the inner circular surface of the gasket 3, the first chip groove 301 and the second chip groove 302 respectively form openings on the inner circular surface and the outer circular surface of the gasket 3, the inner circular surface and the outer circular surface of the gasket 3 are cylindrical surfaces, the inner circular surface of the gasket 3 is the position with the smallest diameter of the gasket 3, and the outer circular surface of the gasket 3 is the position with the largest diameter of the gasket 3, the distance of the first and second flutes 301 and 302 on the inner circumferential surface of the gasket 3 is smaller than the distance of the first and second flutes 301 and 302 on the outer circumferential surface of the gasket 3. Preferably, the first chip flute 301 is a groove having a circular arc-shaped cross section (the cross section is a section perpendicular to the axis of the first chip flute 301), the second chip flute 302 is a groove having a circular arc-shaped cross section (the cross section is a section perpendicular to the axis of the second chip flute 302), and the axes of the first chip flute 301 and the second chip flute 302 are spatially perpendicular to the axis of the gasket 3.
As shown in fig. 1 and 2, in the present embodiment, 6 chip flute units are provided on each end surface of the shim 3.
As shown in fig. 1, 3 and 4, the bearing ring moving ring 1, the bearing ring static ring 2 and the gasket 3 are located inside the sealing housing, and the bearing ring moving ring 1, the bearing ring static ring 2 and the gasket 3 are coaxially arranged with the sealing housing. The material of bearing circle rotating ring 1 and bearing circle quiet ring 2 is the bearing steel, and bearing circle rotating ring 1 blocks outside impurity and gets into inside the bearing with the rubber lip limit cooperation that the tip of sealed housing set up, and the quiet ring of bearing circle 2 is interference fit with the sealed housing, and bearing circle rotating ring 1 can rotate for the quiet ring 2 of bearing circle.
As shown in fig. 1, 3 and 4, the sealing housing comprises a housing body 4, an inner flange 9 connected with the housing body 4 and a sealing lip 5 connected with the inner flange 9, the housing body 4 is of a circular ring structure, the housing body 4 and the inner flange 9 are made of steel, the housing body 4 and the inner flange 9 are integrally formed, and the bearing encircles the ring 1, the bearing ring static ring 2 and the gasket 3 are located inside the housing body 4, the bearing ring static ring 1, the bearing ring static ring 2, the gasket 3 and the housing body 4 are coaxially arranged, the bearing ring static ring 2 and the housing body 4 are in interference fit, the outer diameters of the bearing ring static ring 1 and the gasket 3 are smaller than the inner diameter of the housing body 4, the outer diameter of the bearing ring dynamic ring 1 is smaller than the outer diameter of the gasket 3, and the inner diameters of the bearing ring dynamic ring 1 and the gasket 3 are larger than the inner diameter of the bearing ring static ring 2 and the inner diameters of the bearing ring dynamic ring 1 and the gasket 3 are the same in size. The material of the sealing lip part 5 is rubber, the sealing lip part 5 is of an annular structure, the sealing lip part 5, the inner flanging 9 and the housing body 4 are coaxially arranged, the sealing lip part 5 is fixedly connected with one end of the inner flanging 9, and the joint of the sealing lip part 5 and the inner flanging 9 is free of gaps.
As shown in fig. 1, 3 and 4, the end of the housing body 4 is provided with an inward flange 9, the sealing lip 5 is fixedly connected with the inward flange 9, the inward flange 9 is a conical ring-shaped member, the inward flange 9 is coaxially and fixedly connected with the housing body 4, the inward flange 9 has a large diameter end and a small diameter end, the large diameter end and the small diameter end are axially opposite ends of the inward flange 9, the diameter of the large diameter end is greater than that of the small diameter end, and the large diameter end of the inward flange 9 is fixedly connected with the end of the housing body 4. The sealing lip 5 is used for realizing the sealing between the bearing ring moving ring 1 and the inner flanging 9, one end of the sealing lip 5 is fixedly connected with the small-diameter end of the inner flanging 9, the end of the sealing lip 5 is positioned between the bearing ring moving ring 1 and the inner flanging 9, and the other end of the sealing lip 5 is positioned outside the inner flanging 9. The sealing lip 5 is provided with a first contact surface 7 and a second contact surface 8, the bearing ring 1 is provided with a matching surface which is in contact with the first contact surface 7 of the sealing lip 5, the first contact surface 7 and the matching surface are both conical surfaces, the taper of the first contact surface 7 and the taper of the matching surface are the same and are coaxial (the axis of the first contact surface 7 is also the axis of the sealing lip 5), the first contact surface 7 is the inner wall surface of the sealing lip 5, and the taper of the first contact surface 7 is the same as the taper of the inward flange 9. The second contact surface 8 of the sealing lip 5 is a circular plane perpendicular to the axis of the sealing lip 5, the second contact surface 8 is the end surface of the end part of the sealing lip 5 located outside the inner flange 9, the second contact surface 8 is used for contacting with a part of a steering system of a commercial vehicle, the part is located outside a bearing, the sealing lip 5 realizes the sealing between the part and the bearing, and the bearing moving ring 1 passes through the central hole of the sealing lip 5.
As shown in fig. 1, 3 and 4, the stationary ring 2 of the bearing ring is used for being sleeved on a mandrel of a steering system of a commercial vehicle, a sealing ring 6 is arranged between the stationary ring 2 of the bearing ring and the mandrel, the sealing ring 6 is an O-ring, a groove for accommodating the sealing ring 6 is arranged on the inner circular surface of the stationary ring 2 of the bearing ring, and the groove is an annular groove extending along the whole circumferential direction on the inner circular surface of the stationary ring 2 of the bearing ring. The mandrel is inserted into the central hole of the bearing ring static ring 2, and the sealing ring 6 is tightly matched with the mandrel, so that the sealing between the mandrel and the bearing is realized, and the muddy water and the like at the lower part are prevented from invading the inside of the bearing. In a using state, the mandrel downwards sequentially penetrates through a center hole of the bearing ring moving ring 1, a center hole of the gasket 3 and a center hole of the bearing ring static ring 2, the sealing lip portion 5 is matched with the bearing ring moving ring 1, the sealing lip portion 5 is axially matched with another part of the steering system of the commercial vehicle, impurities such as external dust are effectively prevented from entering the inside of the bearing, and the sealing performance is reliable.
The invention is described above with reference to the accompanying drawings. It is to be understood that the specific implementations of the invention are not limited in this respect. Various insubstantial improvements are made by adopting the method conception and the technical scheme of the invention; the present invention is not limited to the above embodiments, and can be modified in various ways.
Claims (10)
1. Commercial car is damping footstep bearing for a steering system, including race ring rotating ring, race ring quiet ring and set up the gasket between race ring rotating ring and race ring quiet ring, its characterized in that: the material of gasket is the copper alloy, and the gasket has the chip groove unit, and the chip groove unit sets up a plurality ofly and all chip groove units distribute along circumference on the terminal surface of gasket, and the chip groove unit includes first chip groove and second chip groove, and first chip groove and second chip groove are the V-arrangement.
2. The damped thrust bearing for a steering system of a commercial vehicle of claim 1, wherein: all the chip groove units are uniformly distributed on the end face of the gasket along the circumferential direction.
3. The damped thrust bearing for a steering system of a commercial vehicle according to claim 1 or 2, characterized in that: the chip groove units are arranged on the first end face and the second end face of the gasket, the first end face of the gasket is in contact with the bearing ring moving ring, and the second end face of the gasket is in contact with the bearing ring static ring.
4. The damped thrust bearing for a steering system of a commercial vehicle according to any one of claims 1 to 3, characterized in that: the first chip groove and the second chip groove extend from the inner circular surface of the gasket to the outer circular surface of the gasket, an included angle is formed between the length direction of the first chip groove and the length direction of the second chip groove, and the included angle is an acute angle.
5. The damped thrust bearing for a steering system of a commercial vehicle according to any one of claims 1 to 4, wherein: the sealing cover comprises a cover body, an inner flanging connected with the cover body and a sealing lip part connected with the inner flanging and contacted with the bearing ring moving ring, wherein the bearing ring moving ring, the bearing ring static ring and the gasket are located inside the cover body, and the bearing ring static ring and the cover body are in interference fit.
6. The damped thrust bearing for a steering system of a commercial vehicle of claim 5, wherein: the sealing lip is made of rubber and is fixedly connected with one end of the inward flanging.
7. The damped thrust bearing for a steering system of a commercial vehicle according to claim 5 or 6, wherein: the inner flanging is a conical ring-shaped element and is coaxially and fixedly connected with the housing body, the inner flanging is provided with a large-diameter end and a small-diameter end, the large-diameter end of the inner flanging is fixedly connected with the end part of the housing body, one end of the sealing lip is fixedly connected with the small-diameter end of the inner flanging, the end of the sealing lip is positioned between the bearing ring moving ring and the inner flanging, and the other end of the sealing lip is positioned outside the inner flanging.
8. The damped thrust bearing for a steering system of a commercial vehicle of claim 7, wherein: the seal lip is provided with a first contact surface, the bearing ring has a matching surface which is in contact with the first contact surface of the seal lip, and the first contact surface and the matching surface are conical surfaces.
9. The damped thrust bearing for a steering system of a commercial vehicle according to any one of claims 1 to 8, wherein: the bearing ring static ring is used for being sleeved on a mandrel of a steering system of a commercial vehicle, and a sealing ring is arranged between the bearing ring static ring and the mandrel.
10. The damped thrust bearing for a steering system of a commercial vehicle of claim 9 wherein: the sealing ring is an O-shaped ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010896877.9A CN112065847B (en) | 2020-08-31 | 2020-08-31 | Damping thrust bearing for steering system of commercial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010896877.9A CN112065847B (en) | 2020-08-31 | 2020-08-31 | Damping thrust bearing for steering system of commercial vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112065847A true CN112065847A (en) | 2020-12-11 |
| CN112065847B CN112065847B (en) | 2022-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010896877.9A Active CN112065847B (en) | 2020-08-31 | 2020-08-31 | Damping thrust bearing for steering system of commercial vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112065847B (en) |
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|---|---|---|---|---|
| CN2787911Y (en) * | 2005-06-01 | 2006-06-14 | 赵鸿荣 | Dustproof damping bearing for automobile steering knuckle |
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| CN103168181A (en) * | 2010-09-02 | 2013-06-19 | 菲特尔莫古威斯巴登有限公司 | Structured dirt depository in sliding bearing surfaces |
| CN104011409A (en) * | 2011-12-22 | 2014-08-27 | 大丰工业株式会社 | Sliding member and manufacturing method therefor |
| CN104088896A (en) * | 2014-07-30 | 2014-10-08 | 重庆创鸿机电有限公司 | Damper bearing |
| CN105402251A (en) * | 2015-12-21 | 2016-03-16 | 南京航空航天大学 | Aerodynamic flat foil & texturized bump foil thrust bearing |
| CN209083835U (en) * | 2018-11-06 | 2019-07-09 | 无锡市高创精密机械有限公司 | A kind of bionical Spiral Groove Thrust Bearing |
| CN210919801U (en) * | 2019-08-22 | 2020-07-03 | 公主岭轴承有限责任公司 | Thrust damping bearing |
-
2020
- 2020-08-31 CN CN202010896877.9A patent/CN112065847B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2787911Y (en) * | 2005-06-01 | 2006-06-14 | 赵鸿荣 | Dustproof damping bearing for automobile steering knuckle |
| CN103080576A (en) * | 2010-09-02 | 2013-05-01 | 菲特尔莫古威斯巴登有限公司 | Dirt guide grooves in lubricated plain bearings |
| CN103168181A (en) * | 2010-09-02 | 2013-06-19 | 菲特尔莫古威斯巴登有限公司 | Structured dirt depository in sliding bearing surfaces |
| CN104011409A (en) * | 2011-12-22 | 2014-08-27 | 大丰工业株式会社 | Sliding member and manufacturing method therefor |
| CN104088896A (en) * | 2014-07-30 | 2014-10-08 | 重庆创鸿机电有限公司 | Damper bearing |
| CN105402251A (en) * | 2015-12-21 | 2016-03-16 | 南京航空航天大学 | Aerodynamic flat foil & texturized bump foil thrust bearing |
| CN209083835U (en) * | 2018-11-06 | 2019-07-09 | 无锡市高创精密机械有限公司 | A kind of bionical Spiral Groove Thrust Bearing |
| CN210919801U (en) * | 2019-08-22 | 2020-07-03 | 公主岭轴承有限责任公司 | Thrust damping bearing |
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| CN112065847B (en) | 2022-07-12 |
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