CN103438198B - A kind of step-down gear and lubrication system thereof - Google Patents
A kind of step-down gear and lubrication system thereof Download PDFInfo
- Publication number
- CN103438198B CN103438198B CN201310390419.8A CN201310390419A CN103438198B CN 103438198 B CN103438198 B CN 103438198B CN 201310390419 A CN201310390419 A CN 201310390419A CN 103438198 B CN103438198 B CN 103438198B
- Authority
- CN
- China
- Prior art keywords
- oil
- lubrication system
- bearing
- down gear
- order
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005461 lubrication Methods 0.000 title claims abstract description 75
- 239000000314 lubricant Substances 0.000 claims abstract description 27
- 230000001050 lubricating effect Effects 0.000 claims description 21
- 239000004519 grease Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 7
- 230000007423 decrease Effects 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 75
- 239000010687 lubricating oil Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Landscapes
- General Details Of Gearings (AREA)
Abstract
The present invention provides the lubrication system of a kind of step-down gear, comprise the oil gallery on the casing being opened in step-down gear, this oil gallery comprises oil inlet passage and the oil discharge passage that the cavity all and between the Internal and external cycle of the high-order bearing of step-down gear is connected, oil inlet passage has oil-in, oil discharge passage has oil outlet, and is all filled with the lubricant that can enter high-order bearing in oil inlet passage and oil discharge passage. The present invention, by injecting lubricant to the oil gallery on the casing being opened in step-down gear, makes this lubricant enter in the cavity between the Internal and external cycle of high-order bearing, and then achieves the lubrication to high-order bearing; Owing to above-mentioned oil gallery is opened on casing, so lubrication system provided by the invention can not expose to casing, that is this lubrication system is embedded in casing, decreases the situation that lubrication system is damaged or collides with, and then ensure that the reliable lubrication of high-order bearing. Present invention also offers a kind of step-down gear with above-mentioned lubrication system.
Description
Technical field
The present invention relates to technical field of mechanical transmission, more specifically, it relates to the lubrication system of a kind of step-down gear, the present invention also relates to a kind of step-down gear with above-mentioned lubrication system.
Background technology
In the structure of step-down gear, its high speed axle is arranged on cabinet rotationally usually through bearing, and bearing, for supporting high speed axle, reduces in high speed axle rotation process the friction resistance being subject to simultaneously, reduces abrasion. Generally, the two ends of high speed axle all arrange bearing. In order to ensure the reliability that high speed axle operates, it is necessary to the bearing on it is lubricated, to reduce Bearing inner friction and damage of rubbing, bearing is cooled simultaneously, prevent from burning and glue, extend the work-ing life of bearing.
The inside of step-down gear is provided with lubricating oil usually, and the bearing on high speed axle can be lubricated by this lubricating oil; But, using in step-down gear band angle, when being also exactly the installation of band angle, lubricating oil can not ensure the bearing i.e. reliable lubrication of high-order bearing at higher position place on high speed axle, so needing to adopt other lubrication system. At present, above-mentioned lubrication system mainly comprises the lubricating pipe being arranged on casing, adopts the mode of pressure lubrication to utilize above-mentioned lubricating pipe that lubricating oil is guided to high-order bearing and realizes lubrication.
But, the exposed outside at step-down gear of above-mentioned lubrication circuit, is easily damaged or collides with, situation about leaking outside there is lubricating oil time serious, have impact on the lubrication to high-order bearing.
Summary of the invention
In view of this, it is an object of the invention to provide the lubrication system of a kind of interior embedding step-down gear, to reduce the situation that lubrication system is damaged or collides with, and then ensure the reliable lubrication of high-order bearing.
Present invention also offers a kind of step-down gear with above-mentioned lubrication system.
In order to achieve the above object, the present invention provides following technical scheme:
The lubrication system of a kind of step-down gear, comprise the oil gallery on the casing being opened in described step-down gear, the oil inlet passage that the cavity that described oil gallery comprises between the Internal and external cycle of the high-order bearing of equal and described step-down gear is connected and oil discharge passage, described oil inlet passage has oil-in, described oil discharge passage has oil outlet, and is all filled with the lubricant that can enter described high-order bearing in described oil inlet passage and described oil discharge passage.
Preferably, in above-mentioned lubrication system, described oil inlet passage is connected with the side, low position of described high-order bearing, and described oil discharge passage is connected with the high-order side of described high-order bearing.
Preferably, above-mentioned lubrication system also comprises the oil sealing for being separated by the inner chamber of described high-order bearing and described casing, and described oil sealing is arranged on the lower side of described high-order bearing, and between described oil inlet passage and described inner chamber.
Preferably, during above-mentioned lubrication is tied, described oil inlet passage and described oil discharge passage are one.
Preferably, in above-mentioned lubrication system, described lubricant is lubricating grease.
Preferably, in above-mentioned lubrication system, described oil inlet passage and described oil discharge passage are all full of described lubricating grease.
Preferably, in above-mentioned lubrication system, described oil inlet passage and described oil discharge passage are all opened on the described casing being positioned at described high-order its top.
As can be seen from above-mentioned technical scheme, the lubrication system of step-down gear provided by the invention comprises the oil gallery on the casing being opened in step-down gear, this oil gallery comprises oil inlet passage and the oil discharge passage that the cavity all and between the Internal and external cycle of the high-order bearing of step-down gear is connected, oil inlet passage has oil-in, oil discharge passage has oil outlet, and is all filled with the lubricant that can enter high-order bearing in oil inlet passage and oil discharge passage. It should be noted that, above-mentioned high-order bearing is the bearing being positioned at higher position place on step-down gear.
The present invention, by injecting lubricant to the oil gallery on the casing being opened in step-down gear, makes this lubricant enter in the cavity between the Internal and external cycle of high-order bearing, and then achieves the lubrication to high-order bearing. Owing to above-mentioned oil gallery is opened on casing, so the lubrication system of the present invention can not expose to casing, that is this lubrication system is embedded in casing, decreases the situation that lubrication system is damaged or collides with, and then ensure that the reliable lubrication of high-order bearing.
In addition, the present invention also eliminates complicated lubrication circuit, and structure is simple, is convenient to processing and manufacturing.
Present invention also offers a kind of step-down gear, the high-order bearing comprising rotating shaft and being all set in described rotating shaft and low position bearing, also comprise the lubrication system for lubricating described high-order bearing, described lubrication system is the lubrication system in above-mentioned arbitrary technical scheme; Owing to above-mentioned lubrication system has above-mentioned effect, the step-down gear with above-mentioned lubrication system has same effect, therefore repeats no more herein.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, it is briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the step-down gear with the lubrication system that the embodiment of the present invention provides.
Embodiment
Embodiments provide the lubrication system of a kind of interior embedding step-down gear, decrease the situation that lubrication system is damaged or collides with, and then ensure that the reliable lubrication of high-order bearing.
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to accompanying drawing 1, the lubrication system of the step-down gear that the embodiment of the present invention provides comprises the oil gallery on the casing 4 being opened in step-down gear, this oil gallery comprises oil inlet passage 1 and the oil discharge passage 2 that the cavity all and between the Internal and external cycle of the high-order bearing 5 of step-down gear is connected, oil inlet passage 1 has oil-in 11, oil discharge passage 2 has oil outlet 21, and is all filled with the lubricant that can enter high-order bearing 5 in oil inlet passage 1 and oil discharge passage 2. It should be noted that, above-mentioned high-order bearing 5 is the bearing being positioned at higher position place on step-down gear; Concrete, when installing higher than the angled manner on right side on the left of the step-down gear employing shown in figure, high-order bearing 5 is be arranged on the bearing on the left of rotating shaft 3 in figure, and the bearing of another side is low position bearing 7.
During application, in oil inlet passage 1, inject lubricant by oil-in 11, until lubricant is filled with in the whole lubricating cavity of high-order bearing 5, also it is exactly the cavity between the Internal and external cycle of high-order bearing 5; The present embodiment can observe the height of lubricant from oil outlet 21, when lubricant stops oiling higher than during the extreme higher position of high-order bearing 5.
The embodiment of the present invention, by injecting lubricant to the oil gallery on the casing 4 being opened in step-down gear, makes this lubricant enter in the cavity between the Internal and external cycle of high-order bearing 5, and then achieves the lubrication to high-order bearing 5. Owing to above-mentioned oil gallery is opened on casing 4, so the lubrication system of the present invention can not expose to casing 4, that is this lubrication system is embedded in casing 4, decreases the situation that lubrication system is damaged or collides with, and then ensure that the reliable lubrication of high-order bearing 5.
In addition, the lubrication system of the embodiment of the present invention also eliminates complicated lubrication circuit, and structure is simple, is convenient to processing and manufacturing.
In a kind of specific embodiment of the present invention, above-mentioned oil inlet passage 1 is connected with the side, low position (being also exactly the side being positioned at lower position) of high-order bearing 5, and oil discharge passage 2 is connected with the high-order side (being also exactly the side being positioned at higher position) of high-order bearing 5. Now oil inlet passage 1 and oil discharge passage 2 lay respectively at the both sides of high-order bearing 5, injecting the process of lubricant, can ensure the lubricant in oil inlet passage 1 along high-order bearing 5 axially across entering oil discharge passage 2 after whole lubricating cavity again, and then ensure that whole lubricating cavity is all filled with lubricant, thus ensure that lubricant effect. Certainly, above-mentioned oil inlet passage 1 can also be connected with the high-order side of high-order bearing 5, or oil inlet passage 1 and oil discharge passage 2 all high-order side with high position bearing 5 are connected.
In order to prevent lubricant from leaking to lower position place, the lubrication system that above-described embodiment provides also comprises the oil sealing 6 for being separated by the inner chamber of high-order bearing 5 with casing 4, and oil sealing 6 is arranged on the lower side of high-order bearing 5, and between oil inlet passage 1 and inner chamber. Oil sealing 6, by the lubricating cavity of high-order bearing 5 and extraneous seal isolation, avoids lubricant and reveals to the position beyond high-order bearing 5, and then the amounts of lubrication that ensure that in high-order bearing 5.
For the ease of processing and manufacturing, in a kind of specific embodiment of the present invention, oil inlet passage 1 and oil discharge passage 2 are one. Certainly, oil inlet passage 1 and oil discharge passage 2 can also be other numbers, and such as two etc., this is not specifically limited by the present invention.
Above-mentioned lubricant can be lubricating oil or lubricating grease, and in a kind of preferred embodiment of the present invention, lubricant is lubricating grease.The space at high-order bearing 5 place is less, and preferential employing grease lubrication is lubricated, and owing to the mobility of lubricating grease is poor, the present embodiment utilizes oil pump to squeeze in oil gallery by lubricating grease, then seals oil-in 11 and oil outlet 21.
In further technical scheme, oil inlet passage 1 and oil discharge passage 2 are all full of lubricating grease. That is, squeeze into lubricating grease from oil-in 11, until oil outlet 21 has lubricating grease to emerge stopping, and then ensure that lubricating grease amount is abundant, thus ensure step-down gear in which angle uses and all can obtain good lubrication.
In order to optimize technique scheme further, in the lubrication system that above-described embodiment provides, oil inlet passage 1 and oil discharge passage 2 are all opened on the casing 4 being positioned at high-order bearing 5 top. So, oil inlet passage 1 and oil discharge passage 2 are all positioned at the top of high-order bearing 5, affect by gravity factor, are conducive to lubricant to inject in high-order bearing 5. And oil inlet passage 1 and oil discharge passage 2 are when being positioned at higher position place, it is possible to avoid the leakage of lubricant in oiling process. Certainly, above-mentioned oil inlet passage 1 and oil discharge passage 2 can also be opened in the side of high-order bearing 5.
The embodiment of the present invention additionally provides a kind of step-down gear, the high-order bearing 5 comprising rotating shaft 3 and being all set in rotating shaft 3 and low position bearing 7, also comprises the lubrication system for lubricating high-order bearing 5, the lubrication system that this lubrication system provides for above-mentioned arbitrary embodiment.
Above-mentioned step-down gear adopts the lubrication system of embodiment of the present invention offer, lubrication system is embedded in casing 4, decrease the situation that lubrication system is damaged or collides with, and then ensure that the reliable lubrication of high-order bearing 5, its advantage is brought by lubrication system, concrete please refer to part relevant in above-described embodiment, just repeats no more at this.
In this specification sheets, each embodiment adopts the mode gone forward one by one to describe, and what each embodiment emphasis illustrated is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are enable to realize or use the present invention. To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments. Therefore, the present invention can not be limited in these embodiments shown in this article, but be met the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. the lubrication system of a step-down gear, it is characterized in that, comprise the oil gallery on the casing (4) being opened in described step-down gear, described oil gallery comprises oil inlet passage (1) and the oil discharge passage (2) that the cavity all and between the Internal and external cycle of the high-order bearing (5) of described step-down gear is connected, described oil inlet passage (1) has oil-in (11), described oil discharge passage (2) has oil outlet (21), and in described oil inlet passage (1) and described oil discharge passage (2), all it is filled with the lubricant that can enter described high-order bearing (5),
Also comprise the oil sealing (6) for being separated by the inner chamber of described high-order bearing (5) with described casing (4), described oil sealing (6) is arranged on the lower side of described high-order bearing (5), and is positioned between described oil inlet passage (1) and described inner chamber;
Described high-order bearing (5) is for being positioned at the bearing at higher position place on described step-down gear.
2. lubrication system according to claim 1, it is characterized in that, described oil inlet passage (1) is connected with the side, low position of described high-order bearing (5), and described oil discharge passage (2) is connected with the high-order side of described high-order bearing (5).
3. lubrication system according to claim 1, it is characterised in that, described oil inlet passage (1) and described oil discharge passage (2) are one.
4. lubrication system according to claim 1, it is characterised in that, described lubricant is lubricating grease.
5. lubrication system according to claim 4, it is characterised in that, described oil inlet passage (1) and described oil discharge passage (2) are all full of described lubricating grease.
6. lubrication system according to the arbitrary item of claim 1-5, it is characterized in that, described oil inlet passage (1) and described oil discharge passage (2) are all opened on the described casing (4) being positioned at described high-order bearing (5) top.
7. a step-down gear, comprise rotating shaft (3) and the high-order bearing (5) being all set in described rotating shaft (3) and low position bearing (7), described high-order bearing (5) is positioned at the side of described rotating shaft (3), described low position bearing (7) is positioned at another side of described rotating shaft (3), it is characterized in that, also comprising the lubrication system for lubricating described high-order bearing (5), described lubrication system is the lubrication system as described in item as arbitrary in claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310390419.8A CN103438198B (en) | 2013-08-29 | 2013-08-29 | A kind of step-down gear and lubrication system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310390419.8A CN103438198B (en) | 2013-08-29 | 2013-08-29 | A kind of step-down gear and lubrication system thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103438198A CN103438198A (en) | 2013-12-11 |
| CN103438198B true CN103438198B (en) | 2016-06-08 |
Family
ID=49691901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310390419.8A Active CN103438198B (en) | 2013-08-29 | 2013-08-29 | A kind of step-down gear and lubrication system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103438198B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9429224B2 (en) * | 2014-02-17 | 2016-08-30 | Deere & Company | Gearbox lubrication system |
| CN105003640A (en) * | 2015-07-30 | 2015-10-28 | 宁波东力齿轮箱有限公司 | Lubricating and sealing structure of speed reducer input shaft |
| CN107420530B (en) * | 2017-09-27 | 2023-11-07 | 南京创力传动机械有限公司 | High-power gearbox and high-power transmission device |
| CN111379841A (en) * | 2018-12-27 | 2020-07-07 | 新疆金风科技股份有限公司 | Transmission and its sealing structure and wind turbine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3785458A (en) * | 1972-04-14 | 1974-01-15 | Caterpillar Tractor Co | Lubrication system for a gear drive mechanism |
| US4658665A (en) * | 1982-03-16 | 1987-04-21 | Bhs-Bayerische Berg-, Hutten- Und Salzwerke Aktiengesellschaft | Gear installation |
| CN202251892U (en) * | 2011-09-21 | 2012-05-30 | 上海振华重工(集团)股份有限公司 | Self-lubrication device of parallel shaft reducer |
| CN202746563U (en) * | 2012-09-11 | 2013-02-20 | 浙江江南减速机有限公司 | Decompression device of speed reducer |
| CN203421156U (en) * | 2013-08-29 | 2014-02-05 | 沃德(天津)传动有限公司 | Speed reducer and lubrication structure thereof |
-
2013
- 2013-08-29 CN CN201310390419.8A patent/CN103438198B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3785458A (en) * | 1972-04-14 | 1974-01-15 | Caterpillar Tractor Co | Lubrication system for a gear drive mechanism |
| US4658665A (en) * | 1982-03-16 | 1987-04-21 | Bhs-Bayerische Berg-, Hutten- Und Salzwerke Aktiengesellschaft | Gear installation |
| CN202251892U (en) * | 2011-09-21 | 2012-05-30 | 上海振华重工(集团)股份有限公司 | Self-lubrication device of parallel shaft reducer |
| CN202746563U (en) * | 2012-09-11 | 2013-02-20 | 浙江江南减速机有限公司 | Decompression device of speed reducer |
| CN203421156U (en) * | 2013-08-29 | 2014-02-05 | 沃德(天津)传动有限公司 | Speed reducer and lubrication structure thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103438198A (en) | 2013-12-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103438198B (en) | A kind of step-down gear and lubrication system thereof | |
| CN103452897A (en) | Modified air seal structure | |
| CN103591433A (en) | Waste oil initiative recovery device, centralized lubricating system and waste oil initiative recovery method | |
| CN203421156U (en) | Speed reducer and lubrication structure thereof | |
| CN108861343B (en) | Sprocket device of scraper conveyor | |
| CN103994155A (en) | Clutch housing | |
| CN103174655A (en) | Integral sealed refrigeration peripheral pump | |
| CN101799069A (en) | Lubrication system of vertical speed reducer and speed reducer with lubrication system | |
| CN205937742U (en) | Engineering machine tool gearbox box | |
| CN202468766U (en) | Oil lubrication non-contact type back stopper | |
| CN201705902U (en) | Vertical speed reducer lubricating system and speed reducer with same | |
| CN201705898U (en) | Vertical type speed reducer lower output shaft sealing device and speed reducer with same | |
| CN103398018A (en) | Slurry pump bearing lubrication system using both lubricating grease and thin oil | |
| CN203926485U (en) | A kind of clutch housing | |
| CN203441805U (en) | Slurry pump bearing lubrication system using both lubricating grease and thin oil | |
| CN202732910U (en) | Mechanical gearbox bearing lubricating system | |
| CN109931488A (en) | A kind of lubricating oil pump being avoided that inordinate wear | |
| CN204878378U (en) | Bearing stop sleeve, bearing mounting structure and vertical type speed reducer (change gear) | |
| CN204004330U (en) | Wind turbine gearbox clearance sealing structure | |
| CN203641080U (en) | Improved air seal structure | |
| CN202419094U (en) | Screw propulsion lubricating grease filling device | |
| CN202612122U (en) | Integral fully-enclosed type refrigeration vortex pump | |
| CN204533188U (en) | A kind of deep groove ball bearing of high sealing | |
| CN206539391U (en) | Turbocharger oil return pipe component | |
| CN103291650B (en) | A kind of circulating pump sealing structure under negative-pressure/normal-pressure state |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300409 82 high tech Avenue, Beichen science and Technology Park, Tianjin Patentee after: WARD TRANSMISSION TECHNOLOGY (TIANJIN) Co.,Ltd. Address before: 300409 82 high tech Avenue, Beichen science and Technology Park, Tianjin Patentee before: WORLD TRANSMISSION TECHNOLOGY (TIANJIN) Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A reducer and its lubricating structure Effective date of registration: 20220610 Granted publication date: 20160608 Pledgee: Bank of China Limited Tianjin Hexi sub branch Pledgor: WARD TRANSMISSION TECHNOLOGY (TIANJIN) Co.,Ltd. Registration number: Y2022120000027 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230821 Granted publication date: 20160608 Pledgee: Bank of China Limited Tianjin Hexi sub branch Pledgor: WARD TRANSMISSION TECHNOLOGY (TIANJIN) Co.,Ltd. Registration number: Y2022120000027 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A reducer and its lubrication structure Effective date of registration: 20230828 Granted publication date: 20160608 Pledgee: Bank of China Limited Tianjin Hexi sub branch Pledgor: WARD TRANSMISSION TECHNOLOGY (TIANJIN) Co.,Ltd. Registration number: Y2023120000074 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |