CN220706374U - Speed reducer bearing lubricating system - Google Patents
Speed reducer bearing lubricating system Download PDFInfo
- Publication number
- CN220706374U CN220706374U CN202321755840.XU CN202321755840U CN220706374U CN 220706374 U CN220706374 U CN 220706374U CN 202321755840 U CN202321755840 U CN 202321755840U CN 220706374 U CN220706374 U CN 220706374U
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- oil
- speed reducer
- guide vane
- storage cavity
- flow guiding
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 51
- 230000001050 lubricating effect Effects 0.000 title abstract description 7
- 238000005461 lubrication Methods 0.000 claims abstract description 49
- 238000003860 storage Methods 0.000 claims abstract description 38
- 239000003921 oil Substances 0.000 claims description 69
- 239000010687 lubricating oil Substances 0.000 claims description 22
- 230000001788 irregular Effects 0.000 claims description 3
- 241001272720 Medialuna californiensis Species 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model relates to the technical field of lubrication of speed reducers, in particular to a lubrication system for a bearing of a speed reducer. Comprising the following steps: a speed reducer housing; the speed reducer shell comprises a bearing mounting hole, an oil inlet groove, an oil storage cavity and a flow guide assembly; the flow guide assembly is arranged on the oil storage cavity; the flow guiding assembly comprises a flow guiding sheet and a flow guiding base, and the flow guiding sheet is connected with the flow guiding base; according to the utility model, the guide vane structure is arranged in the bearing lubrication system of the speed reducer, so that the oil quantity and the flow rate flowing into the hollow input shaft are improved, and the cooling and the lubrication of the hollow input shaft are ensured; the guide vane structure is cast on the shell, so that the machining of the oil guide hole of the shell is avoided, the machining difficulty and the oil guide hole blocking piece are reduced, and the cost is reduced. Compared with an active lubrication scheme, the lubricating design complexity and the material cost are reduced.
Description
Technical Field
The utility model relates to the technical field of lubrication of speed reducers, in particular to a lubrication system for a bearing of a speed reducer.
Background
Under the promotion of energy, environmental protection, safety and other factors, the automobile technology innovation track is developed towards light weight, electric and intelligent. The speed reducer is used as a core part of automobile transmission, the input rotating speed is higher and higher, and the traditional splash lubrication mode often causes failure problems of key parts such as bearings and splines due to insufficient lubrication in different complex working conditions. If the lubrication of the bearing and the spline is realized by adding the structure of the active lubrication oil duct and the oil guide pipe, the method is an effective solution, but external accessories are added, and the cost and the weight are increased.
In summary, the conventional design generally adopts a splash lubrication method, and the lubricant is agitated by the rotation of the large gear in the reducer, and lubricates various parts through the oil groove via the oil guiding rib structure inside the housing. The key parts such as the spline and the bearing which cannot meet the lubrication requirement need to be additionally provided with an active lubrication oil duct to lubricate the key parts, the processing difficulty of the shell is high, and an external accessory for active lubrication needs to be additionally provided, so that the weight and the cost of the speed reducer are increased.
Disclosure of Invention
In view of the above, the present utility model provides a lubrication system for a bearing of a speed reducer.
A speed reducer bearing lubrication system, comprising:
a speed reducer housing 1;
the speed reducer shell 1 comprises a bearing mounting hole, an oil inlet groove 2, an oil storage cavity 3 and a flow guide assembly 4;
the flow guiding assembly 4 is arranged on the oil storage cavity 3.
Further, the flow guiding component comprises a flow guiding sheet 6 and a flow guiding base 11, and the flow guiding sheet is connected with the flow guiding base 11.
Furthermore, the flow deflector 6 adopts a half-moon-shaped groove.
Further, the half-moon-shaped groove comprises a first arc section 8, a second arc section 9 and a third arc section 10, and the first arc section 8, the second arc section 9 and the third arc section 10 are integrally connected with the arc sections.
Further, the distance between the first arc section 8 and the oil storage cavity 3 and the distance between the second arc section 9 and the oil storage cavity 3 are smaller than the distance between the third arc section 10 and the oil storage cavity 3.
Further, the flow guiding base is of an irregular arc section structure, and the contact area between the lower part of the base and the oil storage cavity is larger than that between the upper part of the base and the flow guiding sheet.
Furthermore, the opening 7 at the end part of the guide vane 6 adopts an inclined opening and opens towards the two sides in a V shape.
Furthermore, the opening 7 at the end part of the guide vane 6 adopts an inclined opening and opens towards the V shape at two sides; the opening 7 is opposite to the oil inlet groove 2 of the speed reducer shell.
Further, the guide vane 6 is cast at the center of the oil storage cavity 3.
Further, the reducer housing 1 is connected with an input hollow shaft 5;
the lubricating oil accumulated in the oil storage cavity 3 is circulated in the oil storage cavity 3 by the rotation of the input hollow shaft 5, and the flowing lubricating oil flows to the inner cavity of the input hollow shaft 5 through the guide vane 6.
The utility model has at least the following beneficial effects:
the utility model increases the guide vane, improves the oil quantity and the flow velocity flowing into the input hollow shaft, and ensures the cooling and the lubrication of the interior of the input hollow shaft; the guide vane structure is cast on the shell, so that the machining of the oil guide hole of the shell is avoided, the machining difficulty and the oil guide hole blocking piece are reduced, and the cost is reduced.
Compared with an active lubrication scheme, the lubricating design complexity and the material cost are reduced.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a baffle structure;
FIG. 2 is a schematic diagram of a reservoir cycle;
fig. 3 is a schematic diagram of a reducer housing.
In the accompanying drawings: 1-a reducer housing; 2-an oil inlet groove; 3-an oil storage cavity; 4-a diversion assembly; 5-inputting a hollow shaft; 6, a guide vane; 7-opening.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The traditional design generally adopts the mode of splash lubrication, through the rotatory lubricating oil that stirs of gear wheel in the reduction gear, through the inside oil guide rib structure of casing, lubricate each part through the oil groove. The key parts such as the spline and the bearing which cannot meet the lubrication requirement need to be additionally provided with an active lubrication oil duct to lubricate the key parts, the processing difficulty of the shell is high, and an external accessory for active lubrication needs to be additionally provided, so that the weight and the cost of the speed reducer are increased.
To this end, the utility model proposes a reducer bearing lubrication system.
According to the lubrication system for the bearing of the speed reducer, the lubrication flow flowing into the input hollow shaft can be increased through the guide vane structure, and the flow speed is improved, so that the lubrication performance and the lubrication efficiency of the bearing are improved, and the problem of failure of the speed reducer caused by insufficient lubrication is avoided.
As shown in fig. 1, the present utility model provides a lubrication system for a bearing of a speed reducer, comprising:
a speed reducer housing 1;
the speed reducer shell 1 comprises a bearing mounting hole, an oil inlet groove 2, an oil storage cavity 3 and a flow guide assembly 4;
the flow guiding assembly 4 is arranged on the oil storage cavity 3.
In the concrete implementation, the lubricating oil stirred by the external gear enters the oil storage cavity 3 through the oil inlet groove 2, flows into the inner cavity of the input hollow shaft 5 along the flow guide assembly 4, and lubricates the spline and other parts.
In this embodiment, the flow guiding component includes a flow guiding sheet 6 and a flow guiding base 11, and the flow guiding sheet is connected with the flow guiding base 11.
In the concrete implementation, the guide vane and the guide base 11 can be fixedly connected by welding, integral forming and the like; according to different actual needs, the movable connection such as bolts can be designed.
In this embodiment, the baffle 6 adopts a half-moon-shaped groove.
In this embodiment, the half-moon-shaped groove includes a first arc section 8, a second arc section 9 and a third arc section 10, and the first arc section 8, the second arc section 9 and the third arc section 10 are integrally formed and connected with each other.
In this embodiment, the distance between the first arc section 8 and the oil storage cavity 3 and the distance between the second arc section 9 and the oil storage cavity 3 are smaller than the distance between the third arc section 10 and the oil storage cavity 3.
In this embodiment, the flow guiding base is of an irregular arc section structure, and the contact area between the lower part of the base and the oil storage cavity is larger than the contact area between the upper part of the base and the flow guiding sheet.
In this embodiment, the opening 7 at the end of the deflector 6 adopts a bevel, and opens to two sides in V-shape.
In specific implementation, the flow rate calculation formula can be shown as follows: under the condition of the same flow rate, the flow velocity is increased along with the decrease of the sectional area, so that the end part is made into a bevel structure, and the flow velocity of the lubricating oil in the guide vane is increased.
In this embodiment, the opening 7 at the end of the deflector 6 adopts a bevel, and opens to two sides in V-shape; the opening 7 is opposite to the oil inlet groove 2 of the speed reducer shell.
In the concrete implementation, the structure of the guide vane 6 is designed into a half-moon-shaped groove, and the V-shaped openings 7 are opened at two sides, so that lubricating oil can be better collected and stored; meanwhile, under the condition of ensuring the wall thickness, the inner side of the groove is designed with a larger drawing angle, so that the lubricating oil flowing through can flow into the hollow shaft 5 in a homeotropic manner while the drawing is facilitated.
In this embodiment, the deflector 6 is cast in the center of the oil reservoir 3.
In specific implementation, the guide vane 6 is arranged at the center of the oil storage cavity 3, and in integral molding, the guide vane 6 is cast at the center of the oil storage cavity 3.
In this embodiment, as shown in fig. 2, lubricating oil flows through the oil inlet groove 2 of the reducer housing 1, flows along the guide vane 6 into the inner cavity of the input hollow shaft 5, and lubricates the bearings, splines and parts of the reducer.
In the embodiment, an input hollow shaft 5 is connected with a speed reducer shell 1; the lubricating oil accumulated in the oil storage cavity 3 is circulated in the oil storage cavity 3 by the rotation of the input hollow shaft 5, and the flowing lubricating oil flows to the inner cavity of the input hollow shaft 5 through the guide vane 6.
During implementation, under the high-speed rotation effect of the input hollow shaft 5, lubricating oil gathered in the oil storage cavity 3 circulates in the oil storage cavity 3, a part of lubricating oil enters the guide vane 6, the oil flow flowing into the inner cavity of the input shaft 5 through the guide vane 6 is increased, the flow speed is further improved, and the lubricating effect is improved.
In order for those skilled in the art to better understand the present utility model, the principles of the present utility model are described below with reference to the accompanying drawings:
in the prior art, key parts such as splines, bearings and the like which cannot meet the lubrication requirement are additionally provided with an active lubrication oil duct to lubricate the key parts, so that the processing difficulty of a shell is increased; the additional new active lubrication system improves the complexity of the design and the processing of the shell, increases the material cost and reduces the system efficiency of the assembly.
As shown in fig. 3, the utility model discloses a speed reducer bearing lubrication system, which comprises a speed reducer shell 1 and an input hollow shaft 5; the speed reducer shell 1 comprises a bearing mounting hole, an oil inlet groove 2, an oil storage cavity 3 and a guide vane 6; the guide vane 6 is a half-moon-shaped groove, the end part of the guide vane is provided with an inclined opening, and the guide vane is opposite to the oil inlet groove 2 of the speed reducer shell and is cast at the center of the oil storage cavity 3. Lubricating oil stirred by the large gear enters the oil storage cavity through the oil inlet groove, flows into the inner cavity of the input hollow shaft 5 along the guide vane 6, and lubricates internal splines and other parts. Meanwhile, under the high-speed rotation effect of the input hollow shaft 5, lubricating oil gathered in the oil storage cavity 3 circulates in the oil storage cavity 3, a part of lubricating oil enters the guide vane 6, so that the oil flow flowing into the input shaft cavity 5 through the guide vane 6 is increased, the flow speed is further improved, and the lubricating effect is improved. According to the lubrication system for the bearing of the speed reducer, the lubrication flow flowing into the input hollow shaft 5 can be increased through the structure of the guide vane 6, and the flow speed is increased, so that the lubrication performance and the lubrication efficiency of the bearing are improved, and the problem of failure of the speed reducer caused by insufficient lubrication is avoided.
The guide vane structure and the shell are cast integrally, so that the process is simple and the cost is low.
A lubrication system for a bearing of a speed reducer comprises a lubrication oil flowing through an oil inlet groove 2 of a speed reducer shell 1, along a guide vane 6, and flowing into an inner cavity of an input hollow shaft 5 to lubricate internal splines and other parts. The guide vane structure is designed into a half-moon-shaped groove, and the V-shaped openings 7 are opened at two sides, so that lubricating oil can be better collected and stored; meanwhile, under the condition of ensuring the wall thickness, the inner side of the groove is designed with a larger drawing angle, so that the lubricating oil flowing through can flow into the hollow shaft in a homeotropic manner while the drawing is facilitated. The flow rate calculation formula can be known: under the condition of the same flow rate, the flow rate is increased along with the decrease of the sectional area, so that the end part is made into a bevel structure, and the flow rate of the lubricating oil in the guide vane 6 is increased. Meanwhile, under the high-speed rotation effect of the input hollow shaft 5, lubricating oil gathered in the oil storage cavity 3 circulates in the oil storage cavity 3, a part of lubricating oil enters the guide vane 6, so that the oil flow flowing into the input shaft cavity 5 through the guide vane 6 is increased, the flow speed is further improved, and the lubricating effect is improved.
The guide vane 6 is directly cast and formed on the shell, and has simple process, light weight and low cost.
Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (8)
1. A speed reducer bearing lubrication system, comprising:
a speed reducer housing (1);
the speed reducer shell (1) comprises a bearing mounting hole, an oil inlet groove (2), an oil storage cavity (3) and a flow guide assembly (4);
the flow guide assembly (4) is arranged on the oil storage cavity (3);
the flow guiding assembly comprises a flow guiding sheet (6) and a flow guiding base (11), and the flow guiding sheet is connected with the flow guiding base (11);
the speed reducer shell (1) is connected with an input hollow shaft (5);
the lubricating oil accumulated in the oil storage cavity (3) is circulated in the oil storage cavity (3) through the rotation of the input hollow shaft (5), and the flowing lubricating oil flows to the inner cavity of the input hollow shaft (5) through the guide vane (6).
2. A reducer bearing lubrication system according to claim 1,
the guide vane (6) adopts a half-moon-shaped groove.
3. A reducer bearing lubrication system according to claim 2, wherein the half-moon shaped groove comprises a first arc section (8), a second arc section (9) and a third arc section (10), the first arc section (8), the second arc section (9) and the third arc section (10) being integrally formed and connected.
4. A reducer bearing lubrication system according to claim 3, characterized in that the distance between the first arc segment (8) and the oil reservoir (3), the distance between the second arc segment (9) and the oil reservoir (3) are smaller than the distance between the third arc segment (10) and the oil reservoir (3).
5. A reducer bearing lubrication system according to claim 1, wherein the guide base (11) has an irregular arc structure matching with the guide vane (6), and the contact area between the lower part of the base and the oil storage cavity is larger than the contact area between the upper part of the base and the guide vane.
6. A reducer bearing lubrication system according to claim 1,
the opening (7) at the end part of the guide vane (6) adopts an inclined opening and opens towards the two sides in a V shape.
7. A reducer bearing lubrication system according to claim 1,
the opening (7) at the end part of the guide vane (6) adopts an inclined opening and opens towards the two sides in a V shape; the opening (7) is opposite to the oil inlet groove (2) of the speed reducer shell.
8. A lubrication system for a bearing of a speed reducer according to any one of claims 1 to 3,
the guide vane (6) is cast at the center of the oil storage cavity (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321755840.XU CN220706374U (en) | 2023-07-05 | 2023-07-05 | Speed reducer bearing lubricating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321755840.XU CN220706374U (en) | 2023-07-05 | 2023-07-05 | Speed reducer bearing lubricating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220706374U true CN220706374U (en) | 2024-04-02 |
Family
ID=90452498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321755840.XU Active CN220706374U (en) | 2023-07-05 | 2023-07-05 | Speed reducer bearing lubricating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220706374U (en) |
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2023
- 2023-07-05 CN CN202321755840.XU patent/CN220706374U/en active Active
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