CN218094168U - High-speed planetary gear shaft and gear box with sliding support and lubricating functions - Google Patents
High-speed planetary gear shaft and gear box with sliding support and lubricating functions Download PDFInfo
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- CN218094168U CN218094168U CN202222592563.7U CN202222592563U CN218094168U CN 218094168 U CN218094168 U CN 218094168U CN 202222592563 U CN202222592563 U CN 202222592563U CN 218094168 U CN218094168 U CN 218094168U
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- gear shaft
- planetary gear
- oil
- speed planetary
- sliding support
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Abstract
The utility model provides a high-speed planetary gear axle and gear box with slide support and lubricating function, is equipped with at least one annular alloy lining including gear axle base member, gear axle base member surface, has seted up the oil supply passageway in the gear axle base member, and the oil supply passageway intercommunication has inlet port and at least one oil outlet, and the oil outlet link up the alloy lining. The utility model provides a pair of high-speed planetary gear axle and gear box with slip support and lubricating function collect the supporting function of ordinary axle and the lubricating function in an organic whole of bearing, and required functional spare part reduces, and simple structure has improved the reliability of gear box, makes high-speed planetary gear box can adapt to more complicated working condition of being on active service.
Description
Technical Field
The utility model relates to a lubricated technical field of planetary gear, concretely relates to high-speed planetary gear axle and gear box with slip supports and lubricating function.
Background
The high-speed planetary gearbox has the advantages of light weight, small size, large transmission ratio and high transmission efficiency. The high-speed planetary gearbox is generally composed of a sun gear shaft system, planetary gears, planetary gear shafts, an inner gear ring, a planet carrier, bearings, a box body and the like. In general, during normal operation of a high-speed planetary gear box, the planetary gears not only revolve around the sun gear but also rotate around their own planetary gear shafts, so that the planetary gears need to be supported and lubricated by components such as the planetary gear shafts and sliding support bearings.
In traditional design, generally with gear and axle respectively processing back hot charge fixed together, then fix two slide bearings in both ends on the planet carrier, provide lubricating oil through outside lubricated oil duct, realize the rotation lubrication of planetary gear self, the required spare part of this kind of structure is more, lubricated oil circuit structure is complicated.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing lubricating oil through outside lubricating oil pipeline for solving existence among the prior art, the problem that required spare part is more and lubricated oil circuit structure is complicated provides a high-speed planetary gear axle and gear box with slip support and lubricating function.
The utility model provides a high-speed planetary gear axle and gear box with slide support and lubricating function, is equipped with at least one annular alloy lining including gear axle base member, gear axle base member surface, has seted up the oil supply passageway in the gear axle base member, and the oil supply passageway intercommunication has inlet port and at least one oil outlet, and the oil outlet link up the alloy lining.
As the utility model relates to a further optimization of high-speed planetary gear axle: the oil supply channel extends along the axial direction of the gear shaft base body and penetrates through one end of the gear shaft base body, a plug is arranged at the penetrating end of the oil supply channel, and the oil inlet hole penetrates through the peripheral side wall of the gear shaft base body.
As the utility model relates to a further optimization of high-speed planetary gear axle: the plug is connected with the gear shaft base body through the positioning pin.
As the utility model relates to a further optimization of high-speed planetary gear axle: the oil inlet hole is far away from the through end of the oil supply channel.
As a result of the utility model relates to a further optimization of high-speed planetary gear axle: the gear shaft base body is made of metal base materials.
As the utility model relates to a further optimization of high-speed planetary gear axle: the alloy lining layer is made of Babbitt metal.
As a result of the utility model relates to a further optimization of high-speed planetary gear axle: the thickness of the babbitt metal is 1.8-2.2 mm.
As a result of the utility model relates to a further optimization of high-speed planetary gear axle: the oil outlet has two, and the orientation of oil outlet is different with the inlet port.
As the utility model relates to a further optimization of high-speed planetary gear axle: two oil grooves are formed in the surface of the gear shaft base body and communicated with the oil outlet hole.
The gear box, including sun gear and a plurality of planetary gear, its characterized in that: the planetary gear is mounted inside the gear case through a high-speed planetary gear shaft having a sliding support and a lubricating function.
Has the advantages that: the utility model provides a pair of high-speed planetary gear axle and gear box with slip support and lubricating function collect the supporting function of ordinary axle and the lubricating function in an organic whole of bearing, and required functional spare part reduces, and simple structure has improved the reliability of gear box, makes high-speed planetary gear box can adapt to more complicated working condition in active service.
Drawings
Fig. 1 is a schematic structural view of a high-speed planetary gear shaft of the present invention;
FIG. 2 is a schematic view of the external structure of the high-speed planetary gear shaft of the present invention;
FIG. 3 is a schematic structural view of the installation and application of the high-speed planetary gear shaft in the high-speed planetary gear box of the present invention;
the mark in the figure is: 1. gear shaft base member, 2, alloy lining, 3, inlet port, 4, oil supply channel, 5, oil outlet, 6, end cap, 7, oil groove, 8, locating pin, 9, sun gear, 10, planetary gear, 11, internal gear circle, 12, planet carrier, 13, vertical oil supply channel, 14, output shaft, 15, horizontal oil supply channel, 16, box, 17, gear box main inlet port.
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 all belong to the protection scope of the present invention.
As shown in figures 1 and 2, the high-speed planetary gear shaft and the gear box with the sliding supporting and lubricating functions comprise a gear shaft base body 1, wherein the gear shaft base body 1 is made of metal base materials which are high in strength and wear-resistant.
The surface of the gear shaft base body 1 is provided with at least one annular alloy lining layer 2, the material of the alloy lining layer 2 is babbit alloy, and the babbit alloy has the structural characteristics that hard phase particles are uniformly distributed on a soft phase base body, the soft phase base body enables the alloy to have good embedding property, compliance property and seizure resistance, after the soft phase base body is in a concave state, the hard particles protrude outwards, and a micro gap is formed between sliding surfaces to form an oil storage space and a lubricating oil channel, so that the friction reduction is facilitated; the convex hard points play a supporting role and are beneficial to bearing. The thickness of the babbitt metal is 1.8-2.2 mm, and the width of the babbitt metal is larger than or equal to the width of the planetary gear 10.
An oil supply channel 4 is formed in the gear shaft base body 1, the oil supply channel 4 is communicated with an oil inlet hole 3 and at least one oil outlet hole 5, the oil inlet hole 3 penetrates through the peripheral side wall of the gear shaft base body 1, the oil outlet hole 5 penetrates through the alloy lining layer 2, lubricating oil enters the gear shaft base body 1 from the oil inlet hole 3, sufficient lubricating oil is provided for the alloy lining layer 2 through the oil outlet hole 5, and then sufficient lubricating oil is provided for the planetary gear 10 to lubricate.
In this embodiment, oil outlet 5 has two, and the orientation of oil outlet 5 is different with inlet port 3, and two oil grooves 7 have been seted up on the surface of gear shaft base member 1, and oil groove 7 and oil outlet 5 intercommunication, lubricating oil get into the fuel feeding passageway 4 of gear shaft base member 1 from inlet port 3, lubricate for oil groove 7 provides sufficient lubricating oil through two oil outlets 5, and then provide sufficient lubricating oil for alloy lining 2 to make planetary gear 10 lubricated.
The oil supply channel 4 extends along the axial direction of the gear shaft base body 1 and penetrates through one end of the gear shaft base body 1, a plug 6 is arranged at the penetrating end of the oil supply channel 4, the plug 6 plugs the penetrating end of the oil supply channel 4 to prevent lubricating oil from flowing out of the penetrating end of the oil supply channel 4, and the lubricating oil can only flow out of the oil outlet 5.
The gear shaft base body 1 is provided with a positioning pin 8, the plug 6 is connected with the gear shaft base body 1 through the positioning pin 8, and the positioning pin 8 enables the plug 6 to be firmly fixed at the through end of the oil supply channel 4 to prevent the plug 6 from falling off from the through end of the oil supply channel 4.
The oil inlet hole 3 is far away from the through end of the oil supply channel 4, namely the oil inlet hole 3 is far away from the plug 6, so that the plug 6 is prevented from being directly washed away by lubricating oil.
The specific lubrication process of the utility model is as follows.
Lubricating oil flows into an oil supply channel 4 in the gear shaft base body 1 through an oil inlet hole 3 in the gear shaft base body 1, and because the penetrating end of the oil supply channel 4 is blocked by a plug 6, the lubricating oil in the oil supply channel 4 enters an oil groove 7 formed in the surface of the gear shaft base body 1 along an oil outlet hole 5 of the gear shaft base body 1, and finally the lubricating oil enters an assembly gap between the planetary gear 10 and the planetary gear shaft from the two sides of the oil groove 7 along the surface of a babbit layer poured on the gear shaft base body 1, so that the lubricating oil required by the rotation of the planetary shaft is provided for the planetary gear 10, and the functions of supporting and lubricating the planetary gear 10 are realized.
On the basis of above-mentioned gear shaft, the utility model further provides a gear box of using above-mentioned gear shaft.
As shown in fig. 3, the gearbox comprises a sun gear 9 and planet gears 10, the planet gears 10 being mounted inside the gearbox by means of high-speed planet gear shafts.
The gear shaft base 1 is connected with a planetary gear 10, and the planetary gear 10 is connected with an inner gear ring 11.
A lubricating oil channel is formed in the box body 16 and is communicated with the oil inlet hole 3 and the gear box main oil inlet hole 17, and the gear box main oil inlet hole 17 penetrates through the peripheral side wall of the box body 16.
The lubricating oil passage comprises a horizontal oil supply passage 15 extending along the axial direction of the output shaft 14, an annular first diversion trench 18 communicated with a main oil inlet hole 17 of the gear box, a vertical oil supply passage 13 arranged in the planet carrier 12 and communicated with the oil inlet hole 3, and an annular second diversion trench 19 communicated with the vertical oil supply passage 13, wherein one end of the horizontal oil supply passage 15 is communicated with the annular first diversion trench 18, and the other end of the horizontal oil supply passage 15 is communicated with the annular second diversion trench 19.
Under the normal working condition of the high-speed planetary gearbox, lubricating oil enters the box body 16 through a main gearbox oil inlet hole 17 on the box body 16 to lubricate the gearbox, the lubricating oil enters the annular first diversion trench 18, under the action of rotary centrifugation, the lubricating oil enters the annular second diversion trench 19 through the horizontal oil supply channel 15 of the output shaft 14, and under the action of rotary centrifugation, the lubricating oil enters the oil inlet hole 3 of the gear shaft base body 1 through the vertical oil supply channel 13 of the planet carrier 12.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent changes without departing from the technical scope of the present invention.
Claims (10)
1. The utility model provides a high-speed planetary gear axle with sliding support and lubricating function which characterized in that: including gear shaft base member (1), gear shaft base member (1) surface be equipped with at least one annular alloy lining (2), seted up fuel feeding channel (4) in gear shaft base member (1), fuel feeding channel (4) intercommunication has inlet port (3) and at least one oil outlet (5), and oil outlet (5) link up alloy lining (2).
2. A high-speed planetary gear shaft having sliding support and lubrication functions as set forth in claim 1, wherein: the oil supply channel (4) extends along the axial direction of the gear shaft base body (1) and penetrates through one end of the gear shaft base body (1), a plug (6) is arranged at the penetrating end of the oil supply channel (4), and the oil inlet hole (3) penetrates through the peripheral side wall of the gear shaft base body (1).
3. A high-speed planetary gear shaft having sliding support and lubrication functions as set forth in claim 2, wherein: the plug (6) is connected with the gear shaft base body (1) through a positioning pin (8).
4. A high-speed planetary gear shaft having sliding support and lubrication functions as set forth in claim 1, wherein: the oil inlet hole (3) is far away from the through end of the oil supply channel (4).
5. The high-speed planetary gear shaft with sliding support and lubrication function as set forth in claim 1, wherein: the gear shaft base body (1) is made of a metal base material.
6. The high-speed planetary gear shaft with sliding support and lubrication function as set forth in claim 1, wherein: the alloy lining layer (2) is made of babbitt metal.
7. A high-speed planetary gear shaft having sliding support and lubrication functions as claimed in claim 6, wherein: the thickness of the babbitt metal is 1.8-2.2 mm.
8. A high-speed planetary gear shaft having sliding support and lubrication functions as set forth in claim 1, wherein: the oil outlet holes (5) are two, and the orientation of the oil outlet holes (5) is different from that of the oil inlet holes (3).
9. A high-speed planetary gear shaft having sliding support and lubrication functions as set forth in claim 1, wherein: two oil grooves (7) are formed in the surface of the gear shaft base body (1), and the oil grooves (7) are communicated with the oil outlet holes (5).
10. The gear box, including sun gear (9) and a plurality of planetary gear (10), its characterized in that: the planetary gear (10) is mounted inside the gear box by the high-speed planetary gear shaft having the sliding support and lubrication function as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222592563.7U CN218094168U (en) | 2022-09-29 | 2022-09-29 | High-speed planetary gear shaft and gear box with sliding support and lubricating functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222592563.7U CN218094168U (en) | 2022-09-29 | 2022-09-29 | High-speed planetary gear shaft and gear box with sliding support and lubricating functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218094168U true CN218094168U (en) | 2022-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222592563.7U Active CN218094168U (en) | 2022-09-29 | 2022-09-29 | High-speed planetary gear shaft and gear box with sliding support and lubricating functions |
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| CN (1) | CN218094168U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220082089A1 (en) * | 2020-09-14 | 2022-03-17 | Aktiebolaget Skf | Transmission, in particular, a planetary transmission |
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2022
- 2022-09-29 CN CN202222592563.7U patent/CN218094168U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220082089A1 (en) * | 2020-09-14 | 2022-03-17 | Aktiebolaget Skf | Transmission, in particular, a planetary transmission |
| US11713748B2 (en) * | 2020-09-14 | 2023-08-01 | Aktiebolaget Skf | Transmission, in particular, a planetary transmission |
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