CN203717865U - Speed changer lubricating device and lubricating oil rail thereof - Google Patents
Speed changer lubricating device and lubricating oil rail thereof Download PDFInfo
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- CN203717865U CN203717865U CN201320818357.1U CN201320818357U CN203717865U CN 203717865 U CN203717865 U CN 203717865U CN 201320818357 U CN201320818357 U CN 201320818357U CN 203717865 U CN203717865 U CN 203717865U
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- oil
- bearing
- round plate
- rail
- lubricant oil
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Abstract
The utility model discloses a speed changer lubricating device and a lubricating oil rail thereof. The lubricating oil rail comprises a cylindrical part with a through hole inside and a disc part which is formed by one end of the cylindrical part, wherein the disc part is provided with a plurality of oil inlets along the circumference direction, the outer circumferential edge of the disc part is provided with a plurality of oil outlets along the circumference direction, and the oil outlets are arranged in the outer side of the oil inlets in the radial direction of the disc part. The traditional lubricating oil rail is grooved to form the oil outlets, so that the lubricating oil can flow circularly inside an inner oil cavity and an outer oil cavity, no oil is trapped on the shaft end, the heat produced by the high-speed rotation of a bearing can be brought away by the circulating lubricating oil, the bearing and components on the shaft can be lubricated and cooled, so that the bearing is unlikely to damage, and the service life is prolonged.
Description
Technical field
The utility model technical field relates to a kind of lubricating structure, and particularly about a kind of lubricant oil rail for transmission bearing and parts on shaft are lubricated.
Background technique
Prior art transmission bearing and parts on shaft adopt device to be as shown in Figure 1 lubricated cooling.This device comprises case of transmission 1, hollow shaft 4, lubricant oil rail 5, bearing 6, bearing snap ring 7 and needle bearing 8.
Hollow shaft 4 is hollow, comprises a center hole 9.Bearing 6 is arranged on hollow shaft 4 ends, and bearing snap ring 7 is stuck on the outer shroud of bearing 6.Needle bearing 8 is arranged on appropriate location on hollow shaft 4.Case of transmission 1 is arranged on bearing 6 outsides, between case of transmission 1 and bearing 6 end faces, forms cavity 2.On case of transmission 1, select location is offered through hole 11, can be to the interior injection lubricant oil of cavity 2 from through hole 11, and lubricant oil is interior mobile at cavity 2, so that the part of installing on bearing 6 and hollow shaft 4 is played to lubrication and cooling effect.
Lubricant oil rail 5 is rounded, is arranged in cavity 2, is positioned at the end of hollow shaft 4.As shown in Figure 2 A and 2 B, lubricant oil rail 5 comprises the cylindrical part 51 of establishing through hole 52 in, and the round plate 53 being extended by the edge of cylindrical part 51 one end, and round plate 53 is bent downwardly to stretch out at periphery circle again and forms flanging portion 54; On round plate 53, be along the circumferential direction laid with multiple filler openings 55 in appropriate location.Lubricated axle rail 5 is arranged on cavity 2 when interior, and cylindrical part 51 stretches in the center hole 9 of hollow shaft 4, and through hole 52 is connected with center hole 9, and round plate 53 is arranged in cavity 2, and the outer shroud end face of flanging portion 54 and bearing 6 is combined closely.Lubricant oil rail 5 is divided into outer oil cavity 21 and interior oil pocket 22 two-part by cavity 2 after so installing.
On the wall of hollow shaft 4, the mounting point of corresponding needle bearing 8 is provided with oil inlet hole 32,33.
The through hole 11 of lubricant oil on housing 1 enters the cavity 2 forming by between bearing 6 and housing 1, and lubricant oil is introduced into outer oil cavity 21, and the filler opening 55 that wherein a part of lubricant oil flows through on lubricant oil rail 5 enters interior oil pocket 22, and bearing 6 is entered to lubrication and cooling; And simultaneously, another part lubricant oil enters the through hole 52 of the cylindrical part 51 of lubricant oil rail 5 from outer oil cavity 21, flow to center hole 9 directions of hollow shaft 4 again, and part (needle bearing 8 etc.) on 32,33 pairs of hollow shafts 4 of oil inlet hole on hollow shaft 4 is lubricated with cooling.The described lubricant oil process of flowing through, if there is no lubricant oil rail 5, under the effect running up at hollow shaft 4 and bearing 6 inner rings, the lubricant oil of bearing 6 end faces also can be made high speed circular movement, and the centrifugal force of generation can make lubricant oil be difficult to enter center hole 9 and then the lubricated parts on shaft of hollow shaft 4.
The effect of lubricant oil rail 5 is exactly that the oil pocket of bearing 6 end faces is divided into outer oil cavity 21 and interior oil pocket 22 two-part, lubricant oil in outer oil cavity 21 can not be subject to the impact that axle runs up, part lubricant oil flows into the center hole 9 of hollow shaft 4, and lubricated parts on shaft is needle bearing 8 for example; The filler opening 55 of another part lubricant oil on lubricant oil rail 5 enters and is lubricated cooling to bearing 6 in interior oil pocket 22.But this lubricant oil rail structure only makes lubricant oil enter the filler opening (being filler opening 55) of interior oil pocket 22, but there is no oil outlet, make interior oil pocket 22 form the space of a sealing, under the centrifugal action producing at bearing 6 inner ring High Rotation Speeds, form pocketed oil at axle head, the heat that bearing 6 runnings produce cannot scatter and disappear, and causes bearing 6 losts of life.
Model utility content
For the problems referred to above, the technical problem that the utility model solves is to provide a kind of lubrication apparatus of speed changer and lubricant oil rail structure thereof, this lubricated shaft-track structure can play lubrication effect better to bearing and the part being arranged on axle, thereby makes bearing not fragile, and extend working life.
The technical solution of the utility model is:
A kind of lubrication apparatus of speed changer, comprise case of transmission, lubricant oil rail, bearing and hollow shaft, described bearing is arranged on described hollow shaft end, described case of transmission is arranged on described bearing outside, between described case of transmission and described bearing, form cavity, the round plate of establishing the cylindrical part of through hole in described lubricant oil rail comprises and being formed by described cylindrical part one end, described lubricated axle rail is arranged in described cavity, described cylindrical part stretches in described hollow shaft, described round plate is between described case of transmission and described bearing, described cavity is divided into outer oil cavity and interior oil pocket by described round plate, on described round plate, be along the circumferential direction provided with multiple filler openings, the outer periphery of the round plate of described lubricant oil rail are along the circumferential direction provided with multiple oil outlets, be positioned at the outside of described filler opening at the above oil outlet of radial direction of described round plate, described filler opening and described oil outlet are communicated with described outer oil cavity and described interior oil pocket.
A kind of lubricant oil rail, the round plate of establishing the cylindrical part of through hole in comprising and being formed by described cylindrical part one end, on described round plate, be along the circumferential direction provided with multiple filler openings, the outer periphery of described round plate are along the circumferential direction provided with multiple oil outlets, are positioned at the outside of described filler opening at the above oil outlet of radial direction of described round plate.
The beneficial effects of the utility model are: form hydraulic fluid port by fluting on the lubricant oil rail traditional, lubricant oil can be circulated in inside and outside two oil pockets, axle head is without pocketed oil, the heat that bearing produces because running up is recycled lubricant oil and takes away diffusion, bearing and parts on shaft are played to the effect of lubrication, thereby make bearing not fragile, extend working life.
For above-mentioned and other objects, features and advantages of the present utility model can be become apparent, below especially exemplified by embodiment, and coordinate accompanying drawing, be described in detail as follows.
Brief description of the drawings
Fig. 1 is the structural representation of prior art lubrication apparatus of speed changer.
Fig. 2 A is the plan view of prior art lubricant oil rail.
Fig. 2 B is the sectional view along IIB-IIB line in Fig. 2 A.
Fig. 3 is the structural representation of the utility model lubrication apparatus of speed changer.
Fig. 4 A is the plan view of the utility model lubricant oil rail.
Fig. 4 B is the sectional view along IVB-IVB line in Fig. 4 A.
Embodiment
The utility model lubrication apparatus of speed changer as shown in Figure 3, comprise case of transmission 1, hollow shaft 4, bearing 6, bearing snap ring 7 and needle bearing 8, the structure of these parts and assembly connection relation all as the prior art, as described in prior art part, do not repeat them here.At lubricant oil rail 5, the utility model lubricant oil rail 5 is also rounded, is arranged in cavity 2, is positioned between bearing 6 and case of transmission 1 from the different persons of prior art institute.As shown in Figure 4 A and 4 B shown in FIG., lubricant oil rail 5 comprises the cylindrical part 51 of establishing through hole 52 in, and the round plate 53 being extended to form by the edge of cylindrical part 51 one end, on round plate 53, along the circumferential direction, be laid with multiple filler openings 55 in appropriate location, and the outer periphery of round plate 53 are laid with multiple oil outlets 56 along the circumferential direction, be positioned at the outside of filler opening 55 at the oil outlet in the radial direction 56 of round plate 53, oil outlet 56 takes the shape of the letter U and communicates with the external world by breach 561, and oil outlet 56 can form by the outer periphery fluting at round plate 53.Further, round plate 53 is also bent downwardly to stretch out in outer periphery again and forms flanging portion 54, and oil outlet 56 extensions are arranged in flanging portion 54.
Lubricated axle rail 5 is arranged on cavity 2 when interior, and cylindrical part 51 stretches in the center hole 9 of hollow shaft 4, and through hole 52 is connected with center hole 9, and round plate 53 is arranged in cavity 2, and flanging portion 54 is combined with the end face of bearing 6.Lubricant oil rail 5 is divided into outer oil cavity 21 and interior oil pocket 22 two-part by cavity 2 after so installing, and oil outlet 56 can be communicated with interior oil pocket 22 and outer oil cavity 21.
The through hole 11 of lubricant oil on housing 1 enters the cavity 2 forming between bearing 6 and case of transmission 1, lubricant oil is introduced into after outer oil cavity 21, the filler opening 55 that part lubricant oil flows through on lubricant oil rail 5 enters interior oil pocket 22, and the lubricant oil entering in interior oil pocket 22 can be lubricated with cooling bearing 6.In the time that hollow shaft 4 runs up, bearing 6 inner rings also run up, the centrifugal force producing makes the lubricant oil entering in interior oil pocket 22 be flowed out by oil outlet 56, and converge with the lubricant oil of flowing through in outer oil cavity 21, form circulation loop, prevent pocketed oil, and the heat producing can run up with bearing running 6 in time time, lubricant oil completed to bearing 6 lubrication effect better.And simultaneously, another part lubricant oil flows to the through hole 52 of the cylindrical part 51 of lubricant oil rail 5 from outer oil cavity 21, center hole 9 directions to hollow shaft 4 flow, oil inlet hole 32,33 from hollow shaft 4 walls flows to for example needle bearing 8 of part being arranged on hollow shaft 4 again, and lubricant oil is lubricated with cooling it.
The utility model is set up oil outlet 56 on lubricant oil rail 5, in lubricant oil enters interior oil pocket 22 by filler opening 55, bearing 6 is lubricated when cooling, under the centrifugal action producing at bearing 6 inner ring High Rotation Speeds, lubricant oil is flowed out from interior oil pocket 22 by oil outlet 56, converge with the lubricant oil of flowing through in outer oil cavity 21, and form circulation loop, make the end of hollow shaft 4 not reassociate lubricant oil and form axle head pocketed oil.The lubricant oil entering in interior oil pocket 22 can flow out in time, circulate, not only effectively lubricated to bearing 6, and can take away the heat producing when hollow shaft 4 and bearing 6 run up, and bearing 6 is obtained cooling in time, life-saving greatly.
Although the utility model discloses as above with preferred embodiment, but not in order to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, when doing a little change and retouching, in every case be not depart from technical solutions of the utility model content, any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present utility model, all still belong in the scope of technical solutions of the utility model.
Claims (9)
1. a lubrication apparatus of speed changer, comprise case of transmission (1), lubricant oil rail (5), bearing (6) and hollow shaft (4), described bearing (6) is arranged on described hollow shaft (4) end, described case of transmission (1) is arranged on described bearing (6) outside, between described case of transmission (1) and described bearing (6), form cavity (2), the round plate (53) of establishing the cylindrical part (51) of through hole (52) in described lubricant oil rail (5) comprises and being formed by described cylindrical part (51) one end, described lubricated axle rail (5) is arranged in described cavity (2), described cylindrical part (51) stretches in described hollow shaft (4), described round plate (53) is positioned between described case of transmission (1) and described bearing (6), described cavity (2) is divided into outer oil cavity (21) and interior oil pocket (22) by described round plate (53), on described round plate (53), be along the circumferential direction provided with multiple filler openings (55), it is characterized in that: the outer periphery of the round plate (53) of described lubricant oil rail (5) are along the circumferential direction provided with multiple oil outlets (56), be positioned at the outside of described filler opening (55) at the above oil outlet of radial direction (56) of described round plate (53), described filler opening (55) and described oil outlet (56) are communicated with described outer oil cavity (21) and described interior oil pocket (22).
2. lubrication apparatus of speed changer as claimed in claim 1, is characterized in that, described round plate (53) is bent downwardly to stretch out in outer periphery again and forms flanging portion (54), and described oil outlet (56) extension is arranged in described flanging portion (54).
3. lubrication apparatus of speed changer as claimed in claim 2, is characterized in that, described flanging portion (54) is combined with the end face of described bearing (6).
4. lubrication apparatus of speed changer as claimed in claim 1, is characterized in that, described oil outlet (56) takes the shape of the letter U.
5. lubrication apparatus of speed changer as claimed in claim 1, is characterized in that, described hollow shaft (4) comprises center hole (9), and the cylindrical part (51) of described lubricant oil rail (5) stretches in described center hole (9).
6. lubrication apparatus of speed changer as claimed in claim 5, it is characterized in that, the wall of described hollow shaft (4) is provided with oil inlet hole (32,33), and the lubricant oil entering described center hole (9) from the through hole (52) of described cylindrical part (51) flows to described oil inlet hole (32,33) in described center hole (9).
7. a lubricant oil rail, the round plate (53) of establishing the cylindrical part (51) of through hole (52) in comprising and being formed by described cylindrical part (51) one end, on described round plate (53), be along the circumferential direction provided with multiple filler openings (55), it is characterized in that: the outer periphery of described round plate (53) are along the circumferential direction provided with multiple oil outlets (56), be positioned at the outside of described filler opening (55) at the above oil outlet of radial direction (56) of described round plate (53).
8. lubricant oil rail as claimed in claim 7, is characterized in that, described round plate (53) is bent downwardly to stretch out in outer periphery again and forms flanging portion (54), and described oil outlet (56) extension is arranged in described flanging portion (54).
9. lubricant oil rail as claimed in claim 7, is characterized in that, described oil outlet (56) takes the shape of the letter U.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320818357.1U CN203717865U (en) | 2013-12-12 | 2013-12-12 | Speed changer lubricating device and lubricating oil rail thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320818357.1U CN203717865U (en) | 2013-12-12 | 2013-12-12 | Speed changer lubricating device and lubricating oil rail thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203717865U true CN203717865U (en) | 2014-07-16 |
Family
ID=51157018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320818357.1U Expired - Fee Related CN203717865U (en) | 2013-12-12 | 2013-12-12 | Speed changer lubricating device and lubricating oil rail thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203717865U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561542A (en) * | 2018-04-28 | 2018-09-21 | 合肥巨动力系统有限公司 | Retarder bearing lubrication structure |
| CN111810615A (en) * | 2020-06-24 | 2020-10-23 | 盛瑞传动股份有限公司 | Lubrication channel structure for deep groove ball bearings |
-
2013
- 2013-12-12 CN CN201320818357.1U patent/CN203717865U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561542A (en) * | 2018-04-28 | 2018-09-21 | 合肥巨动力系统有限公司 | Retarder bearing lubrication structure |
| CN108561542B (en) * | 2018-04-28 | 2021-07-30 | 合肥巨一动力系统有限公司 | Bearing lubricating structure of speed reducer |
| CN111810615A (en) * | 2020-06-24 | 2020-10-23 | 盛瑞传动股份有限公司 | Lubrication channel structure for deep groove ball bearings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 |