CN212429703U - Heavy-load planet wheel pin shaft coated with nylon coating - Google Patents
Heavy-load planet wheel pin shaft coated with nylon coating Download PDFInfo
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- CN212429703U CN212429703U CN202020485666.1U CN202020485666U CN212429703U CN 212429703 U CN212429703 U CN 212429703U CN 202020485666 U CN202020485666 U CN 202020485666U CN 212429703 U CN212429703 U CN 212429703U
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Abstract
The utility model provides a nylon coating-coated heavy-duty planet wheel pin shaft, which comprises a wheel shaft body, wherein a nano composite coating is sprayed on the working surface of the wheel shaft body, and the nano composite coating comprises a nylon coating; the nylon coating is made of a nano nylon material, and the thickness of the nylon coating is 20-50 mu m. The utility model discloses a heavy load planet wheel round pin axle of cladding nylon coating has wear-resisting, the nanometer nylon coating of lubricating property through the spraying on the shaft body, makes the shaft body can have good wear resistance and lubricating property, has reduced the coefficient of friction between shaft body and the planetary gear for planet wheel round pin axle life prolongs 2 times, and sustainable work that can be long-time has reduced the replacement cost, has improved work efficiency.
Description
Technical Field
The utility model belongs to the automobile parts field relates to a planet wheel round pin axle, especially relates to a heavy load planet wheel round pin axle of cladding nylon coating.
Background
The planet wheel pin shaft is an important part of the vehicle planet speed reduction starter, and is used for transmitting torque to the planet gear to realize torque distribution, so that the wheels realize differential operation, and the planet wheel pin shaft is matched with a starter shaft to support the starter shaft.
Traditional planet wheel round pin axle is easy at the in-process of using, and axle head through the engine shaft rubs with planet wheel round pin axle, produces the noise easily, and in the frequency of friction, the planet wheel round pin axle breakage condition appears easily. In order to reduce the abrasion of the planet wheel pin shaft and the planet gear and prolong the service life of the planet wheel pin shaft and the planet gear, lubricating grease is added into a differential in a conventional adoption mode, but the lubricating effect is still not ideal.
Therefore, how to effectively improve the lubricating performance between the wheel pin shaft and the planetary gear and reduce the abrasion so as to improve the service life of the planet wheel pin shaft becomes a technical problem to be solved urgently by the technical people in the field.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: aiming at the defects of the prior art, a heavy-load planet wheel pin shaft coated with a nylon coating is provided.
The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme:
the utility model provides a heavy load planet wheel round pin axle of cladding nylon coatings, including the shaft body, the spraying has nanometer composite coating on the working face of shaft body, nanometer composite coating includes the nylon coating.
Furthermore, on the heavy-duty planet wheel pin shaft coated with the nylon coating, the wheel shaft body comprises a fastening section at the front end, a working section in the middle and a limiting section at the rear end which are coaxially arranged, and the nano composite coating is sprayed on the working surface of the working section.
Furthermore, on the heavy-duty planet wheel pin shaft coated with the nylon coating, the diameter of the fastening section is smaller than that of the working section, and the diameter of the working section is equal to that of the limiting section.
Further preferably, on the heavy-duty planet wheel pin shaft coated with the nylon coating, an annular clamping groove is formed between the limiting section and the working section.
Furthermore, on the heavy-duty planet wheel pin shaft coated with the nylon coating, the nylon coating is made of a nano nylon material, and the thickness of the nylon coating is 20-50 microns.
Furthermore, on the heavy-duty planet wheel pin shaft coated with the nylon coating, the nano composite coating is a gradient coating and comprises a metal layer at the bottom layer, a transition layer at the middle layer and a nylon coating on the surface.
Further preferably, on the heavy-duty planet wheel pin shaft coated with the nylon coating, the thickness of the nano composite coating is 90-180 μm.
Furthermore, on the heavy-duty planet wheel pin shaft coated with the nylon coating, the metal layer is made of Ni-based materials of Cr and Al, and the thickness of the metal layer is 40-70 mu m.
Further preferably, on the heavy-duty planet wheel pin shaft coated with the nylon coating, the transition layer is made of Ni-based materials of Al and W, and the thickness of the transition layer is 30-60 μm.
The utility model adopts the above technical scheme, compare with prior art, have following technological effect:
the heavy-load planet wheel pin shaft coated with the nylon coating of the utility model has the advantages that the nano nylon coating with wear resistance and lubricating performance is sprayed on the wheel shaft body, so that the wheel shaft body has good wear resistance and lubricating performance; and the nano nylon coating can be directly sprayed on the wheel shaft body or the metal layer and the transition layer are firstly sprayed and then the nano nylon coating is sprayed, so that the bonding capacity of the nano nylon coating and the wheel shaft body is improved, the friction coefficient between the wheel shaft body and the planetary gear is reduced, the service life of the planetary gear pin shaft is prolonged by 2 times, the long-time continuous work can be realized, the replacement cost is reduced, and the work efficiency is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of a heavy-duty planet wheel pin shaft coated with a nylon coating according to the present invention;
fig. 2 is a schematic view of a coating structure of a heavy-duty planet wheel pin shaft coated with a nylon coating according to the present invention;
wherein the reference symbols are:
10-a wheel shaft body, 11-a fastening section, 12-a working section, 13-a limiting section and 14-an annular clamping groove; 20-a nanocomposite coating; 21-metal layer, 22-transition layer, 23-nylon coating.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings.
Referring to fig. 1, the present embodiment provides a heavy-duty planet pin shaft coated with a nylon coating, including a shaft body 10, wherein a nano composite coating 20 is sprayed on a working surface of the shaft body 10, and the nano composite coating 20 includes a nylon coating 23. The nylon coating 23 is made of a nano nylon material, and the thickness of the nylon coating is 20-50 μm. This embodiment has wear-resisting, nanometer nylon coating 23 of lubricating property through the spraying on shaft body 10, makes shaft body 10 can have good wear resistance and lubricating property, has reduced the coefficient of friction between shaft body 10 and the planetary gear for planet wheel round pin axle life prolongs 2 times, and sustainable work that can be long-time has reduced the replacement cost, has improved work efficiency.
In this embodiment, please refer to fig. 2, the axle body 10 includes a fastening section 11 at the front end, a working section 12 at the middle part, and a limiting section 13 at the rear end, which are coaxially arranged, and the nanocomposite coating 20 is sprayed on the working surface of the working section 12. The diameter of the fastening section 11 is smaller than that of the working section 12, and the diameter of the working section 12 is equal to that of the limiting section 13. And an annular clamping groove 14 is formed between the limiting section 13 and the working section 12. The wheel shaft body 10 is arranged on the planetary gear through the fastening sections 11 at the two ends and the annular clamping grooves 14 by bolts, bolts or clamping springs.
In this embodiment, please continue to refer to fig. 2, the nano composite coating 20 is a gradient coating, and includes a metal layer 21 at the bottom layer, a transition layer 22 at the middle layer, and a nylon coating 23 on the surface, the metal layer 21 is firstly sprayed on the wheel axle body 10, then the transition layer 22 is sprayed, the nano nylon coating 23 is sprayed after combination, the bonding capability of the nano nylon coating 23 and the wheel axle body 10 is improved by spraying the transition layer 22 at the metal layer 21, the friction coefficient between the wheel axle body 10 and the planetary gear is reduced, the service life of the planetary wheel pin shaft can be prolonged by 3 times, and the replacement cost is greatly reduced.
In the present embodiment, as shown in fig. 2, the thickness of the nanocomposite coating 20 is 90-180 μm. The metal layer 21 is Ni-based material of Cr and Al, such as nano OCr17Ni7The Al material has a thickness of 40-70 μm, preferably 50-60 μm. The transition layer 22 is made of Ni-based material of Al and W, such as Ni-Al-Hf-Cr-W alloy, and has a thickness of 30-60 μm, preferably 35-45 μm. Further, the Ni-based materials used in the present example are commercially available.
To sum up, the heavy-duty planet wheel pin shaft coated with the nylon coating provided by the utility model has the advantages that the axle body 10 can have good wear resistance and lubrication performance by spraying the nano composite coating 20 with wear resistance and lubrication performance on the axle body 10; the nano composite coating 20 can adopt a single-layer nano nylon coating 23, and can also adopt a composite coating of a metal layer 21, a transition layer 22 and the nylon coating 23 which are arranged in a gradient manner, so that the friction coefficient between the axle body 10 and the planetary gear is reduced, the service life of the planetary wheel pin shaft is prolonged by 2 times, the planetary wheel pin shaft can continuously work for a long time, the replacement cost is reduced, and the working efficiency is improved.
The present invention has been described in detail with reference to the specific embodiments, but the present invention is only by way of example and is not limited to the specific embodiments described above. Any equivalent modifications and substitutions to those skilled in the art are intended to be within the scope of the present invention. Accordingly, variations and modifications in equivalents may be made without departing from the spirit and scope of the invention, which is intended to be covered by the following claims.
Claims (9)
1. The heavy-duty planet wheel pin shaft coated with the nylon coating comprises a wheel shaft body (10) and is characterized in that a nano composite coating (20) is sprayed on the working surface of the wheel shaft body (10), and the nano composite coating (20) comprises a nylon coating (23).
2. The nylon-coated heavy-duty planetary gear pin shaft according to claim 1, wherein the shaft body (10) comprises a fastening section (11) at the front end, a working section (12) at the middle part and a limiting section (13) at the rear end, which are coaxially arranged, and the nanocomposite coating (20) is sprayed on the working surface of the working section (12).
3. The nylon-coated heavy-duty planetary pin shaft according to claim 2, wherein the diameter of the fastening section (11) is smaller than that of the working section (12), and the diameter of the working section (12) is equal to that of the limiting section (13).
4. The nylon-coated heavy-duty planet pin shaft as claimed in claim 2, wherein an annular clamping groove (14) is formed between the limiting section (13) and the working section (12).
5. The nylon-coated heavy-duty planetary pin shaft according to claim 1, wherein the nylon coating (23) is a nano nylon material with a thickness of 20-50 μm.
6. The nylon-coated heavy-duty planetary gear pin according to claim 1, wherein the nanocomposite coating (20) is a gradient coating comprising a bottom metal layer (21), a middle transition layer (22), and a surface nylon coating (23).
7. The nylon-coated heavy-duty planetary pin according to claim 6, wherein the nanocomposite coating (20) has a thickness of 90-180 μm.
8. The nylon-coated heavy-duty planetary pin shaft of claim 7, wherein the metal layer (21) is a Ni-based material of Cr, Al, and has a thickness of 40-70 μm.
9. The nylon-coated heavy-duty planetary pin shaft according to claim 7, wherein the transition layer (22) is a Ni-based material of Al and W, and has a thickness of 30-60 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020485666.1U CN212429703U (en) | 2020-04-07 | 2020-04-07 | Heavy-load planet wheel pin shaft coated with nylon coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020485666.1U CN212429703U (en) | 2020-04-07 | 2020-04-07 | Heavy-load planet wheel pin shaft coated with nylon coating |
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| Publication Number | Publication Date |
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| CN212429703U true CN212429703U (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020485666.1U Active CN212429703U (en) | 2020-04-07 | 2020-04-07 | Heavy-load planet wheel pin shaft coated with nylon coating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3128267A1 (en) * | 2021-10-14 | 2023-04-21 | Mavic Group | Geared motor and associated cycle |
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2020
- 2020-04-07 CN CN202020485666.1U patent/CN212429703U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3128267A1 (en) * | 2021-10-14 | 2023-04-21 | Mavic Group | Geared motor and associated cycle |
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