CN109780189A - The structure of self-circulation lubricating function is able to achieve in a kind of gear-box - Google Patents
The structure of self-circulation lubricating function is able to achieve in a kind of gear-box Download PDFInfo
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- CN109780189A CN109780189A CN201811651157.5A CN201811651157A CN109780189A CN 109780189 A CN109780189 A CN 109780189A CN 201811651157 A CN201811651157 A CN 201811651157A CN 109780189 A CN109780189 A CN 109780189A
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- gear
- self
- transmission shaft
- box
- achieve
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- 230000001050 lubricating effect Effects 0.000 title claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 210000004907 gland Anatomy 0.000 claims abstract description 27
- 239000000446 fuel Substances 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 10
- 238000005461 lubrication Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 210000000988 bone and bone Anatomy 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 34
- 239000010687 lubricating oil Substances 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 8
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005570 vertical transmission Effects 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The present invention provides the structures that self-circulation lubricating function is able to achieve in a kind of gear-box, belong to field of mechanical technique.It solves the problems, such as to lack self-circulation lubricating structure in existing gear-box.The structure of self-circulation lubricating function is able to achieve in this gear-box, including cabinet and transmission shaft, the top and bottom of cabinet offer upper installing hole and lower mounting hole respectively, upper bearing (metal) is set in the upper installing hole of cabinet, lower bearing is set in the lower mounting hole of cabinet, upper installing hole is equipped with sealing gland, lower sealing gland is installed on lower mounting hole, transmission the tip of the axis offers central bore, spiral mandrel is provided in central bore, the upper end of transmission shaft offers several oil outlets, the lower end of transmission shaft offers several fuel feed holes, cabinet is internally provided with lubricating oil.The present invention has a lubricating function structure, and the structure has the advantages that not influence appearance, at low cost, Maintenance free, steady in a long-term.
Description
Technical field
The invention belongs to field of mechanical technique, in particular to the knot of self-circulation lubricating function is able to achieve in a kind of gear-box
Structure.
Background technique
In gear-box, the lubrication of that bearing on vertical transmission shaft top is always a problem, how simple and reliable
Ground guarantees that lubrication influences service life and the cost of entire gear-box, and the method for the existing bearing lubrication for transmission shaft top has two
A, first is lubricating oil to be filled it up with to entire gear-box, then face hangs a small fuel tank outside the enclosure, carries out transporting lubricating oil,
This method needs external attachment, affects external form, production trouble；Second is to increase oil pump outside gear-box, will be in
The lubricating oil of low level is extracted into upper bearing, but the process of the production is excessively cumbersome, and increases cost.
Summary of the invention
The purpose of the present invention is being directed to the above-mentioned problems in the prior art, providing one kind does not influence external form, cost
The structure of self-circulation lubricating is able to achieve in low, Maintenance free, gear-box steady in a long-term.
Object of the invention can be realized by the following technical scheme: being able to achieve self-circulation lubricating function in a kind of gear-box
Structure, which is characterized in that the transmission shaft being arranged in cabinet including cabinet and vertically, the top and bottom difference of the cabinet
The upper installing hole placed for transmission shaft installation and lower mounting hole are offered, is provided in the upper installing hole of the cabinet for transmission shaft
The upper bearing (metal) of upper end carrying is provided with the lower bearing for transmission shaft end carrying in the lower mounting hole of the cabinet, described
Upper installing hole is equipped with sealing gland, and lower sealing gland is equipped on lower mounting hole, and the transmission the tip of the axis offers
Toward internal axially extending central bore, spiral mandrel is provided in the central bore, the helix core the tip of the axis is logical
It crosses bolt to be fixed on lower sealing gland, what the upper end of the transmission shaft offered that several are connected with central bore goes out
Oilhole, the lower end of the transmission shaft offer several fuel feed holes being connected with central bore, the cabinet it is interior
Portion is provided with lubricating oil.
It is able to achieve in the structure of self-circulation lubricating function in a kind of above-mentioned gear-box, the spiral mandrel is from upper past
Under be successively made of axle body portion, collar and axis tail portion, the axle body portion offers helicla flute, the diameter of the collar
Less than the diameter in axle body portion and axis tail portion, oil passage is formed between the collar and central bore, the spiral mandrel
Oil discharge passage is formed between top and the bottom of central bore.
It is able to achieve in the structure of self-circulation lubricating function in a kind of above-mentioned gear-box, the oil outlet is located at spiral
At top at the top of mandrel, and it is connected with oil discharge passage.
It is able to achieve in the structure of self-circulation lubricating function in a kind of above-mentioned gear-box, the fuel feed hole and collar
Position it is corresponding, and be connected with oil passage.
It is able to achieve in the structure of self-circulation lubricating function in a kind of above-mentioned gear-box, the upper sealing gland, biography
An oil outlet chamber being connected with oil outlet is formed between moving axis and upper bearing (metal).
It is able to achieve in the structure of self-circulation lubricating function in a kind of above-mentioned gear-box, the lower sealing gland, biography
An oil suction chamber being connected with fuel feed hole is formed between moving axis and lower bearing.
It is able to achieve in the structure of self-circulation lubricating function in a kind of above-mentioned gear-box, the axis tail of the spiral mandrel
O-ring seal is provided between portion and lower sealing gland.
It is able to achieve in the structure of self-circulation lubricating function in a kind of above-mentioned gear-box, the bolt and lower sealing are pressed
Washer is provided between lid.
It is able to achieve in the structure of self-circulation lubricating function in a kind of above-mentioned gear-box, the transmission shaft and upper sealing
The reinforced seal to seal is provided between gland and above oil outlet chamber.
Compared with prior art, it is able to achieve in this gear-box in the structure of self-circulation lubricating function and is provided in transmission shaft
Mandrel with helicla flute and the oil outlet being connected in transmission shaft with helicla flute, the first oil inlet and the second oil inlet
Mouthful, when gear-box operation, transmission shaft can be rotated toward a direction, and the rotary motion relative to mandrel will form showing for " pumping "
As.Lubricating oil in gear-box is sent to top by helicla flute, then is exported from oil outlet, is lubricated to upper bearing, forms one
The circulation of a easy helicoidal pump lubricates, and has the advantages that convenient, at low cost and does not influence shape.
Detailed description of the invention
Fig. 1 is the partial cross-sectional structural diagram being able to achieve in the structure of self-circulation lubricating function in this gear-box.
In figure, 1, cabinet；2, transmission shaft；3, upper installing hole；4, lower mounting hole；5, upper bearing (metal)；6, lower bearing；7, upper sealing
Gland；8, lower sealing gland；9, central bore；10, spiral mandrel；11, bolt；12, oil outlet；13, fuel feed hole；14, axle body
Portion；15, collar；16, axis tail portion；17, helicla flute；18, oil passage；19, oil discharge passage；20, oil outlet chamber；21, oil suction chamber；
22, O-ring seal；23, washer；24, reinforced seal.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1, be able to achieve the structure of self-circulation lubricating function in this gear-box, including cabinet 1 and it is arranged in vertically
Transmission shaft 2 in cabinet 1, the top and bottom of cabinet 1 offer the upper installing hole 3 for the installation placement of transmission shaft 2 under respectively
Mounting hole 4 is provided with the upper bearing (metal) 5 for the carrying of 2 upper end of transmission shaft, the lower mounting hole 4 of cabinet 1 in the upper installing hole 3 of cabinet 1
It is inside provided with the lower bearing 6 for the carrying of 2 end of transmission shaft, upper installing hole 3 is equipped with sealing gland 7, installs on lower mounting hole 4
There is lower sealing gland 8, the end of transmission shaft 2 offers the central bore 9 axially extending toward inside, is provided in central bore 9
The end of spiral mandrel 10, spiral mandrel 10 is fixed on lower sealing gland 8 by bolt 11, and the upper end of transmission shaft 2 opens up
The oil outlet 12 for having several to be connected with central bore 9, the lower end of transmission shaft 2 offer several and 9 phase of central bore
The fuel feed hole 13 of connection, cabinet 1 are internally provided with lubricating oil.
Its working principle is that:
When gear-box operation, the beginning of transmission shaft 2 rotates in one direction, and the lubricating oil in transmission shaft 2 is by several fuel feed holes
13 are flowed into helicla flute 17 by oil passage 18, since the rotation of spiral mandrel 10 will form " pumping method " principle, by spiral
Lubricating oil in slot 17 is sent to oil discharge passage 19, lubricating oil pass through again oil outlet 12 flow into upper bearing (metal) 5 play give upper bearing (metal) 5 lubricate
Effect.
As preferred structure, spiral mandrel 10 is successively made of axle body portion 14, collar 15 and axis tail portion 16 from top to bottom,
Axle body portion 14 offers helicla flute 17, and the diameter of collar 15 is less than the diameter in axle body portion 14 and axis tail portion 16, the collar 15
Oil passage 18 is formed between central bore 9, is formed between the top of spiral mandrel 10 and the bottom of central bore 9 fuel-displaced logical
Road 19.
As preferred structure, oil outlet 12 is located at the top at 10 top of spiral mandrel, oil outlet 12 and oil discharge passage 19
It is connected.
As preferred structure, fuel feed hole 13 is corresponding with the position of collar 15, and oil outlet 12 is connected with oil passage 18
It is logical.
It further describes in detail, in order to improve the mobility of lubricating oil, shape between upper sealing gland 7, transmission shaft 2 and upper bearing (metal) 5
At an oil outlet chamber being connected with oil outlet 12 20.
It further describes in detail, in order to improve the mobility of lubricating oil, shape between lower sealing gland 8, transmission shaft 2 and lower bearing 6
At an oil suction chamber being connected with fuel feed hole 13 21.
It further describes in detail, in order to improve the leakproofness inside spiral mandrel 10, the axis tail portion 16 of spiral mandrel 10 is close under
O-ring seal 22 is provided between sealed cover 8.
It further describes in detail, in order to reinforce the leakproofness inside spiral mandrel 10, is set between spiral shell bolt 11 and lower sealing gland 8
It is equipped with washer 23.
It further describes in detail, in order to improve the leakproofness between upper sealing gland 7 and transmission shaft 2, spiral shell transmission shaft 2 and upper sealing
The reinforced seal 24 to seal is provided between gland 7 and positioned at the top of oil outlet chamber 20.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (9)
1. being able to achieve the structure of self-circulation lubricating function in a kind of gear-box, which is characterized in that wear including cabinet (1) and vertically
Transmission shaft (2) in cabinet (1), the top and bottom of the cabinet (1) are offered respectively for transmission shaft (2) installation placement
Upper installing hole (3) and lower mounting hole (4), interior be provided with of the upper installing hole (3) of the cabinet (1) are held for transmission shaft (2) upper end
The upper bearing (metal) (5) of load, the interior lower bearing (6) being provided with for the carrying of transmission shaft (2) end of the lower mounting hole (4) of the cabinet (1),
The upper installing hole (3) is equipped with sealing gland (7), is equipped with lower sealing gland (8) on lower mounting hole (4), described
The end of transmission shaft (2) is offered toward internal axially extending central bore (9), and the central bore is provided with spiral shell in (9)
It revolves mandrel (10), the end of the spiral mandrel (10) is fixed on lower sealing gland (8) by bolt (11), the transmission
The upper end of axis (2) offers several oil outlets (12) being connected with central bore (9), under the transmission shaft (2)
End offers several fuel feed holes (13) being connected with central bore (9), and the cabinet (1) is internally provided with lubrication
Oil.
2. being able to achieve the structure of self-circulation lubricating function in a kind of gear-box according to claim 1, which is characterized in that institute
The spiral mandrel (10) stated successively is made of axle body portion (14), collar (15) and axis tail portion (16) from top to bottom, the axis
Body portion (14) offers helicla flute (17), and the diameter of the collar (15) is less than the straight of axle body portion (14) and axis tail portion (16)
Diameter forms oil passage (18) between the collar (15) and central bore (9), and the top of the spiral mandrel (10) is in
Oil discharge passage (19) are formed between the bottom of intracardiac hole (9).
3. the structure of self-circulation lubricating function according to claim 1, is able to achieve described in 2 in a kind of gear-box, which is characterized in that
The oil outlet (12) is located at the top at the top of spiral mandrel (10), and is connected with oil discharge passage (19).
4. the structure of self-circulation lubricating function according to claim 1, is able to achieve described in 2 in a kind of gear-box, which is characterized in that
The fuel feed hole (13) is corresponding with the position of collar (15), and is connected with oil passage (18).
5. being able to achieve the structure of self-circulation lubricating function in a kind of gear-box according to claim 1, which is characterized in that institute
An oil outlet chamber being connected with oil outlet (12) is formed between the upper sealing gland (7) stated, transmission shaft (2) and upper bearing (metal) (5)
(20).
6. being able to achieve the structure of self-circulation lubricating function in a kind of gear-box according to claim 1, which is characterized in that institute
An oil suction chamber being connected with fuel feed hole (13) is formed between the lower sealing gland (8) stated, transmission shaft (2) and lower bearing (6)
(21).
7. the structure of self-circulation lubricating function according to claim 1, is able to achieve described in 2 in a kind of gear-box, which is characterized in that
O-ring seal (22) are provided between the axis tail portion (16) and lower sealing gland (8) of the spiral mandrel (10).
8. being able to achieve the structure of self-circulation lubricating function in a kind of gear-box according to claim 1, which is characterized in that institute
Washer (23) are provided between the bolt (11) and lower sealing gland (8) stated.
9. the structure of self-circulation lubricating function according to claim 1, is able to achieve described in 5 in a kind of gear-box, which is characterized in that
The bone to seal is provided between the transmission shaft (2) and upper sealing gland (7) and above oil outlet chamber (20)
Frame seals (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811651157.5A CN109780189A (en) | 2018-12-31 | 2018-12-31 | The structure of self-circulation lubricating function is able to achieve in a kind of gear-box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811651157.5A CN109780189A (en) | 2018-12-31 | 2018-12-31 | The structure of self-circulation lubricating function is able to achieve in a kind of gear-box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109780189A true CN109780189A (en) | 2019-05-21 |
Family
ID=66499030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811651157.5A Pending CN109780189A (en) | 2018-12-31 | 2018-12-31 | The structure of self-circulation lubricating function is able to achieve in a kind of gear-box |
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| CN (1) | CN109780189A (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB358676A (en) * | 1930-09-06 | 1931-10-15 | Leslie Haywood Hounsfield | Improvements in and connected with the lubrication of epicyclic change speed gear boxes |
| US4650430A (en) * | 1985-08-13 | 1987-03-17 | Brunswick Corporation | Marine drive gear case lubrication system |
| EP0280093A1 (en) * | 1987-02-26 | 1988-08-31 | Iveco Magirus Aktiengesellschaft | Lubrication device for the differential gear unit of a motor vehicle |
| JP2004360726A (en) * | 2003-06-02 | 2004-12-24 | Toyota Motor Corp | Electric drive unit |
| JP2006002596A (en) * | 2004-06-15 | 2006-01-05 | Toyota Industries Corp | Bearing device and pump device |
| JP2006097714A (en) * | 2004-09-28 | 2006-04-13 | Suzuki Motor Corp | Lubricating device of transmission |
| JP2007232118A (en) * | 2006-03-02 | 2007-09-13 | Aisin Ai Co Ltd | Lubricating structure of power transmission device |
| CN201851636U (en) * | 2010-11-19 | 2011-06-01 | 郑州飞机装备有限责任公司 | Self-circulation thin oil lubricating system of square plansifter transmission device |
| CN202690995U (en) * | 2012-06-27 | 2013-01-23 | 苏州通润驱动设备股份有限公司 | Bearing lubricating structure of reduction gearbox |
| CN202756597U (en) * | 2012-08-20 | 2013-02-27 | 金坛柴油机有限公司 | Single cylinder diesel transmission gear set forced lubrication structure |
| CN103398165A (en) * | 2013-06-02 | 2013-11-20 | 贵州群建精密机械有限公司 | Self-circulation lubricating method and device for vertical type speed reducer |
| CN204420075U (en) * | 2015-02-09 | 2015-06-24 | 晋江兴翼机械有限公司 | Double-layered tooth roller box upper strata oil circulation system |
| CN208041100U (en) * | 2018-01-22 | 2018-11-02 | 贵州吉利新能源汽车有限公司 | lubrication assembly and integrated electric drive system |
| CN209557630U (en) * | 2018-12-31 | 2019-10-29 | 浙江戈唯特传动科技有限公司 | The structure of self-circulation lubricating function is able to achieve in a kind of gear-box |
-
2018
- 2018-12-31 CN CN201811651157.5A patent/CN109780189A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB358676A (en) * | 1930-09-06 | 1931-10-15 | Leslie Haywood Hounsfield | Improvements in and connected with the lubrication of epicyclic change speed gear boxes |
| US4650430A (en) * | 1985-08-13 | 1987-03-17 | Brunswick Corporation | Marine drive gear case lubrication system |
| EP0280093A1 (en) * | 1987-02-26 | 1988-08-31 | Iveco Magirus Aktiengesellschaft | Lubrication device for the differential gear unit of a motor vehicle |
| JP2004360726A (en) * | 2003-06-02 | 2004-12-24 | Toyota Motor Corp | Electric drive unit |
| JP2006002596A (en) * | 2004-06-15 | 2006-01-05 | Toyota Industries Corp | Bearing device and pump device |
| JP2006097714A (en) * | 2004-09-28 | 2006-04-13 | Suzuki Motor Corp | Lubricating device of transmission |
| JP2007232118A (en) * | 2006-03-02 | 2007-09-13 | Aisin Ai Co Ltd | Lubricating structure of power transmission device |
| CN201851636U (en) * | 2010-11-19 | 2011-06-01 | 郑州飞机装备有限责任公司 | Self-circulation thin oil lubricating system of square plansifter transmission device |
| CN202690995U (en) * | 2012-06-27 | 2013-01-23 | 苏州通润驱动设备股份有限公司 | Bearing lubricating structure of reduction gearbox |
| CN202756597U (en) * | 2012-08-20 | 2013-02-27 | 金坛柴油机有限公司 | Single cylinder diesel transmission gear set forced lubrication structure |
| CN103398165A (en) * | 2013-06-02 | 2013-11-20 | 贵州群建精密机械有限公司 | Self-circulation lubricating method and device for vertical type speed reducer |
| CN204420075U (en) * | 2015-02-09 | 2015-06-24 | 晋江兴翼机械有限公司 | Double-layered tooth roller box upper strata oil circulation system |
| CN208041100U (en) * | 2018-01-22 | 2018-11-02 | 贵州吉利新能源汽车有限公司 | lubrication assembly and integrated electric drive system |
| CN209557630U (en) * | 2018-12-31 | 2019-10-29 | 浙江戈唯特传动科技有限公司 | The structure of self-circulation lubricating function is able to achieve in a kind of gear-box |
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