CN207093578U - A kind of spherical joint bearing inner race of surface with hard coat - Google Patents
A kind of spherical joint bearing inner race of surface with hard coat Download PDFInfo
- Publication number
- CN207093578U CN207093578U CN201720218088.3U CN201720218088U CN207093578U CN 207093578 U CN207093578 U CN 207093578U CN 201720218088 U CN201720218088 U CN 201720218088U CN 207093578 U CN207093578 U CN 207093578U
- Authority
- CN
- China
- Prior art keywords
- inner ring
- service life
- hard coat
- spherical joint
- bearing inner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000011248 coating agent Substances 0.000 claims abstract description 19
- 238000000576 coating method Methods 0.000 claims abstract description 19
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910009043 WC-Co Inorganic materials 0.000 claims abstract description 15
- 238000010286 high velocity air fuel Methods 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 229910000684 Cobalt-chrome Inorganic materials 0.000 claims description 2
- 239000010952 cobalt-chrome Substances 0.000 claims description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 abstract description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 abstract description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract description 5
- 230000002093 peripheral effect Effects 0.000 abstract description 4
- 230000002421 anti-septic effect Effects 0.000 abstract description 3
- 239000007921 spray Substances 0.000 abstract description 3
- 230000003746 surface roughness Effects 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010285 flame spraying Methods 0.000 description 2
- -1 Polytetrafluoroethylene Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Rolling Contact Bearings (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
A kind of spherical joint bearing inner race of surface with hard coat, including inner ring body, there is WC-Co chrome coating by HVAF at the working region of the inner ring body surface.The utility model is as a result of the structure for having WC-Co chrome coating by HVAF at the working region of oscillating bearing inner peripheral surface, make the working face of inner ring there is compact structure, hardness is high, the advantages such as surface roughness is low, not only effectively increase the wearability of inner ring, extend the service life of inner ring, so as to have great role to the friction life-span improved with PTFE washer, and its salt spray resistance antiseptic property is excellent, salt fog resistance corrodes >=192 hours, so as to greatly improve its security reliability and service life in harshness marine environment, also significantly improve the endurance service life of the part under heavy loads simultaneously, dead load is worn >=1600 hours, service life relatively electroplates hard chrome and improves more than 2 times.
Description
Technical field
The oscillating bearing inner ring technical field in mechanical industry is the utility model is related to, a kind of surface band is specifically related to and surpasses
The spherical joint bearing inner race of velocity of sound flame-spraying WC-Co chrome coating.
Background technology
Oscillating bearing is the crucial important component of national economy and national defense construction.As General Mechanical Parts, weight can be met
Load, long life requirement, and with rotate flexibly, it is few safeguard, it is compact-sized, be easy to assemble and disassemble, in the course of the work can be in order to avoid dimension
Repair and the excellent specific properties such as lubricant need not be added, be widely used in Aero-Space, engineering machinery, truck, water conservancy projects, work
Industry robot and military project machinery etc..
Inner ring and outer ring of the core component of oscillating bearing for spherical arc.Outer ring is bearing steel, and slidingsurface is one layer
Polytetrafluoroethylene (PTFE) fabric.Inner ring is hardened bearing steel, needs that the constant load in direction can be born, while when bearing radial load,
Need that the less axial load of either direction can be born.The condition of work of space flight, aviation and oscillating bearing peculiar to vessel is very severe, holds
Can be occurred quickly by Service Environment, inner-ring bearing working surfaces such as high temperature, high rotating speed, vibration, high load capacity, chemical mediator corrosion
The damages such as abrasion, heating, spot corrosion and peeling cause bearing failure.Swinging, under high pulling torque effect, inner-ring bearing working face easily goes out
Several failure modes such as existing adhesive wear, abrasive wear, corrosive wear, fatigue wear and erosive wear, while outer ring poly- four
PVF substrate is easily galled by inner peripheral surface and damaged, and causes the increase of Internal and external cycle mating surface gap and coefficient of friction to increase, or even go out
Phenomena such as existing stuck.
The content of the invention
The purpose of this utility model is problem and shortage be present for above-mentioned, there is provided a kind of to improve the wear-resisting of inner ring
Decay resistance, so as to lift it in the security reliability of harshness marine environment and the surface of service life with hard coat
Spherical joint bearing inner race.
What the technical solution of the utility model was realized in：
Spherical joint bearing inner race of the surface described in the utility model with hard coat, including inner ring body, its feature
It is：There is WC-Co chrome coating by HVAF at the working region of the inner ring body surface.
Wherein, the thickness of the WC-Co chrome coating is 0.1~0.2mm, porosity≤0.5%, roughness Ra≤0.04
μm, hardness >=1200HV.
The edge of the WC-Co chrome coating is connected with inner ring bulk transition, and the width of transitional region be 0.5~
1mm。
The material of the inner ring body is G102Cr18Mo bearing steels.
The utility model compared with prior art, has advantages below：
The utility model passes through HVAF as a result of at the working region of oscillating bearing inner peripheral surface
There is the structure of WC-Co chrome coating, make the working face of inner ring there is the advantages such as compact structure, hardness are high, surface roughness is low,
The wearability of inner ring is not only effectively increased, extends the service life of inner ring, so as to improving the friction longevity with PTFE washer
Life has great role, and its salt spray resistance antiseptic property is excellent, and salt fog resistance corrodes >=192 hours, so as to greatly improve
It while also significantly improves the part under heavy loads resistance to tired in the security reliability and service life of harshness marine environment
Labor service life, dead load are worn >=1600 hours, and service life relatively electroplates hard chrome and improves 2~6 times.Moreover, tungsten carbide cobalt chrome
The edge of coating is connected with inner ring transition, so as to ensure that the bond strength of WC-Co chrome coating and inner ring, is effectively prevented
Coating is in the phenomenon that edge is cracking or peels off.
The utility model is further described below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is cross section structure diagram of the present utility model.
Fig. 2 is side structure schematic diagram of the present utility model.
Embodiment
As Figure 1-Figure 2, spherical joint bearing inner race of the surface described in the utility model with hard coat, including it is interior
Body 1 is enclosed, the material of the inner ring body 1 is G102Cr18Mo bearing steels, is passed through at the working region on the surface of inner ring body 1
HVAF has WC-Co chrome coating 2, and the thickness of the WC-Co chrome coating 2 is 0.1~0.2mm, and porosity≤
0.5%, roughness Ra≤0.04 μm, hardness >=1200HV.In order to ensure the bond strength of WC-Co chrome coating 2 and inner ring, have
Effect prevents coating from connecting in the phenomenon that edge is cracking or peels off, edge and the transition of inner ring body 1 of WC-Co chrome coating 2
Connect, and the width of transitional region 3 is 0.5~1mm.As a result of at the working region of oscillating bearing inner peripheral surface by super
Velocity of sound flame-spraying has the structure of WC-Co chrome coating 2, makes the working face of inner ring have compact structure, hardness height, surface thick
The advantages such as rugosity is low, the wearability of inner ring is not only effectively increased, extend the service life of inner ring, so as to improving and PTFE
The friction life-span of pad has great role, and its salt spray resistance antiseptic property is excellent, and salt fog resistance corrodes >=192 hours, so as to
Its security reliability and service life in harshness marine environment is greatly improved, while also significantly improves the part and exists
Endurance service life under heavy duty, dead load are worn >=1600 hours, and service life relatively electroplates hard chrome and improves more than 2 times.
The utility model is described by embodiment, but the utility model is not construed as limiting, with reference to this practicality
New description, other changes of the disclosed embodiments, is such as readily apparent that for the professional person of this area, such
Change should belong within the scope of the utility model claims restriction.
Claims (2)
1. a kind of spherical joint bearing inner race of surface with hard coat, including inner ring body（1）, it is characterised in that：In described
Enclose body（1）There is WC-Co chrome coating by HVAF at the working region on surface（2）, the tungsten carbide cobalt chrome
Coating（2）Thickness be 0.1~0.2mm, and the WC-Co chrome coating（2）Edge and inner ring body（1）Transition connects,
Transitional region（3）Width be 0.5~1mm.
2. spherical joint bearing inner race of the surface according to claim 1 with hard coat, it is characterised in that：The inner ring
Body（1）Material be G102Cr18Mo bearing steels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720218088.3U CN207093578U (en) | 2017-03-08 | 2017-03-08 | A kind of spherical joint bearing inner race of surface with hard coat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720218088.3U CN207093578U (en) | 2017-03-08 | 2017-03-08 | A kind of spherical joint bearing inner race of surface with hard coat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207093578U true CN207093578U (en) | 2018-03-13 |
Family
ID=61549802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720218088.3U Expired - Fee Related CN207093578U (en) | 2017-03-08 | 2017-03-08 | A kind of spherical joint bearing inner race of surface with hard coat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207093578U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043150A (en) * | 2019-12-05 | 2020-04-21 | 中国航发四川燃气涡轮研究院 | Joint bearing and flexible coupling |
-
2017
- 2017-03-08 CN CN201720218088.3U patent/CN207093578U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043150A (en) * | 2019-12-05 | 2020-04-21 | 中国航发四川燃气涡轮研究院 | Joint bearing and flexible coupling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510651 Changxin Road, Guangzhou, Guangdong, No. 363, No. Patentee after: Institute of new materials, Guangdong Academy of Sciences Address before: 510651 Changxin Road, Guangzhou, Guangdong, No. 363, No. Patentee before: GUANGDONG INSTITUTE OF NEW MATERIALS |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180313 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |