CN211599288U - Wear-resistant shaft sleeve with composite coating - Google Patents
Wear-resistant shaft sleeve with composite coating Download PDFInfo
- Publication number
- CN211599288U CN211599288U CN202020228670.XU CN202020228670U CN211599288U CN 211599288 U CN211599288 U CN 211599288U CN 202020228670 U CN202020228670 U CN 202020228670U CN 211599288 U CN211599288 U CN 211599288U
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- Prior art keywords
- wear
- composite coating
- shaft sleeve
- resistant
- layer
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- 239000002131 composite material Substances 0.000 title claims abstract description 42
- 239000011248 coating agent Substances 0.000 title claims abstract description 35
- 238000000576 coating method Methods 0.000 title claims abstract description 35
- 239000000758 substrate Substances 0.000 claims abstract description 20
- 238000005728 strengthening Methods 0.000 claims abstract description 14
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 8
- 239000000956 alloy Substances 0.000 claims abstract description 8
- 230000007704 transition Effects 0.000 claims abstract description 7
- 229910052804 chromium Inorganic materials 0.000 claims description 8
- 239000011651 chromium Substances 0.000 claims description 8
- 239000011664 nicotinic acid Substances 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 7
- 229910001018 Cast iron Inorganic materials 0.000 claims description 4
- 229910001566 austenite Inorganic materials 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 claims description 4
- 229910052758 niobium Inorganic materials 0.000 claims description 4
- 239000010955 niobium Substances 0.000 claims description 4
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 4
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 241000227425 Pieris rapae crucivora Species 0.000 description 1
- 229910001037 White iron Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- Prostheses (AREA)
Abstract
The utility model discloses a wear-resisting axle sleeve with composite coating, including the axle sleeve base member, the coating of axle sleeve base member inner circle has wear-resisting composite coating, wear-resisting composite coating is stereoplasm alloy layer, transition layer, bionical strengthening layer and compound strengthening layer from interior to exterior in proper order. The wear-resistant shaft sleeve with the composite coating greatly improves the wear-resistant performance of the shaft sleeve substrate by coating the wear-resistant composite coating on the inner ring of the shaft sleeve substrate, so that the shaft sleeve substrate is more stable in working, and the service life of the shaft sleeve substrate is prolonged.
Description
Technical Field
The utility model relates to a shaft sleeve specifically is a wear-resisting shaft sleeve with composite coating.
Background
The shaft sleeve is a cylindrical mechanical part sleeved on the rotating shaft and is a component of the sliding bearing. Typically, the sleeve is an interference fit with the bearing seat and a clearance fit with the shaft. In the long-term operation process of the shaft sleeve, the surface of the shaft neck is under the action of extrusion force of the expansion sleeve and composite mechanical force, so that the permanent deformation and the diameter reduction of the shaft neck are caused, the mechanical expansion and tight fit force cannot meet the required tightening force, and a fit gap is formed between the shaft sleeve and a main shaft to cause the abrasion of the shaft sleeve.
The conventional shaft sleeve has poor wear resistance, so that the service life is short, the rejection rate is high, and the production cost is greatly increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wear-resisting axle sleeve with composite coating to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the wear-resistant shaft sleeve with the composite coating comprises a shaft sleeve substrate, wherein the inner ring of the shaft sleeve substrate is coated with the wear-resistant composite coating, and the wear-resistant composite coating sequentially comprises a hard alloy layer, a transition layer, a bionic reinforcing layer and a composite reinforcing layer from inside to outside.
As a further aspect of the present invention: the shaft sleeve base body is made of aluminum alloy or nodular cast iron.
As a further aspect of the present invention: the hard alloy layer is made of nickel-chromium alloy.
As a further aspect of the present invention: the transition layer is formed by overlaying a high-chromium austenite welding material.
As a further aspect of the present invention: the bionic strengthening layer is formed by overlaying a niobium-containing high-chromium cast iron wear-resistant welding wire.
As a further aspect of the present invention: the composite strengthening layer is a titanium carbide ceramic composite layer.
Compared with the prior art, the beneficial effects of the utility model are that:
the wear-resistant shaft sleeve with the composite coating greatly improves the wear-resistant performance of the shaft sleeve substrate by coating the wear-resistant composite coating on the inner ring of the shaft sleeve substrate, so that the shaft sleeve substrate is more stable in working, and the service life of the shaft sleeve substrate is prolonged.
Drawings
FIG. 1 is a perspective view of a wear sleeve with a composite coating;
fig. 2 is a schematic structural diagram of a wear-resistant composite coating in a wear-resistant shaft sleeve with the composite coating.
In the figure: 1-shaft sleeve substrate, 2-wear-resistant composite coating, 201-hard alloy layer, 202-transition layer, 203-bionic strengthening layer and 204-composite strengthening layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if there is a directional indication (such as up, down, left, right, front, and back) in the embodiment of the present invention, it is only used to explain the relative position relationship between the components, the motion situation, etc. in a certain specific posture, and if the specific posture is changed, the directional indication is changed accordingly.
In addition, if a description of "first", "second", etc. is referred to in the present invention, it is used for descriptive purposes only and not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1-2, a wear-resistant shaft sleeve with a composite coating comprises a shaft sleeve substrate 1, wherein a wear-resistant composite coating 2 is coated on an inner ring of the shaft sleeve substrate 1, and the wear-resistant composite coating 2 sequentially comprises a hard alloy layer 201, a transition layer 202, a bionic strengthening layer 203 and a composite strengthening layer 204 from inside to outside;
the shaft sleeve base body 1 is made of aluminum alloy or nodular cast iron;
the hard alloy layer 201 is made of nickel-chromium alloy, and the nickel-chromium alloy has high strength and corrosion resistance, so that the stability of the shaft sleeve base body 1 during working is improved;
the transition layer 202 is formed by overlaying a high-chromium austenite welding material, and the high-chromium austenite has high toughness and plasticity and good corrosion resistance and can protect the inner ring of the shaft sleeve matrix 1 from being oxidized and corroded;
the bionic strengthening layer 203 is formed by overlaying a niobium-containing high-chromium cast iron wear-resistant welding wire, the niobium-containing high-chromium cast iron is a wear-resistant material with excellent performance, has higher wear resistance than alloy steel and better toughness than common white cast iron, and simultaneously has good high-temperature resistance and corrosion resistance, and is convenient to produce and moderate in cost; the wear resistance of the shaft sleeve base body 1 is ensured;
the composite strengthening layer 204 is a titanium carbide ceramic composite layer, the titanium carbide ceramic belongs to a face-centered cubic crystal form, and has the superior performances of high hardness, high melting point and wear resistance, and the wear resistance of the shaft sleeve substrate 1 during working is further improved.
The wear-resistant shaft sleeve with the composite coating greatly improves the wear-resistant performance of the shaft sleeve substrate 1 by coating the wear-resistant composite coating 2 on the inner ring of the shaft sleeve substrate 1, so that the shaft sleeve substrate 1 is more stable in working, and the service life of the shaft sleeve substrate is prolonged.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. The wear-resistant shaft sleeve with the composite coating comprises a shaft sleeve substrate (1) and is characterized in that the inner ring of the shaft sleeve substrate (1) is coated with the wear-resistant composite coating (2), and the wear-resistant composite coating (2) sequentially comprises a hard alloy layer (201), a transition layer (202), a bionic strengthening layer (203) and a composite strengthening layer (204) from inside to outside.
2. The wear-resistant bushing with composite coating according to claim 1, characterized in that the bushing base body (1) is made of aluminum alloy or nodular cast iron.
3. The wear sleeve with composite coating according to claim 2, characterized in that the hard alloy layer (201) is made of nickel-chromium alloy.
4. The wear sleeve with composite coating according to claim 3, characterized in that said transition layer (202) is formed by overlay welding using a high chromium austenite welding material.
5. The wear-resistant shaft sleeve with the composite coating according to claim 3, wherein the bionic strengthening layer (203) is formed by overlaying a niobium-containing high-chromium cast iron wear-resistant welding wire.
6. The wear sleeve with composite coating according to any one of claims 1-5, characterized in that said composite strengthening layer (204) is a titanium carbide ceramic composite layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020228670.XU CN211599288U (en) | 2020-02-29 | 2020-02-29 | Wear-resistant shaft sleeve with composite coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020228670.XU CN211599288U (en) | 2020-02-29 | 2020-02-29 | Wear-resistant shaft sleeve with composite coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211599288U true CN211599288U (en) | 2020-09-29 |
Family
ID=72581854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020228670.XU Active CN211599288U (en) | 2020-02-29 | 2020-02-29 | Wear-resistant shaft sleeve with composite coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211599288U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117344107A (en) * | 2023-09-14 | 2024-01-05 | 成都飞机工业（集团）有限责任公司 | Composite lubricating coating applied to severe working conditions and preparation and use methods thereof |
-
2020
- 2020-02-29 CN CN202020228670.XU patent/CN211599288U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117344107A (en) * | 2023-09-14 | 2024-01-05 | 成都飞机工业（集团）有限责任公司 | Composite lubricating coating applied to severe working conditions and preparation and use methods thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Wear resistant shaft sleeve with composite coating Effective date of registration: 20221028 Granted publication date: 20200929 Pledgee: Jinan Rural Commercial Bank Co.,Ltd. Changqing sub branch Pledgor: Jinan Tianmeng New Materials Technology Co.,Ltd. Registration number: Y2022980019933 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231026 Granted publication date: 20200929 Pledgee: Jinan Rural Commercial Bank Co.,Ltd. Changqing sub branch Pledgor: Jinan Tianmeng New Materials Technology Co.,Ltd. Registration number: Y2022980019933 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A wear-resistant shaft sleeve with composite coating Effective date of registration: 20231101 Granted publication date: 20200929 Pledgee: Jinan Rural Commercial Bank Co.,Ltd. Changqing sub branch Pledgor: Jinan Tianmeng New Materials Technology Co.,Ltd. Registration number: Y2023980063697 |