CN207880047U - A kind of speed reducer speed end bearing lubrication structure - Google Patents
A kind of speed reducer speed end bearing lubrication structure Download PDFInfo
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- CN207880047U CN207880047U CN201820146617.8U CN201820146617U CN207880047U CN 207880047 U CN207880047 U CN 207880047U CN 201820146617 U CN201820146617 U CN 201820146617U CN 207880047 U CN207880047 U CN 207880047U
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Abstract
A kind of speed reducer speed end bearing lubrication structure, belongs to speed reducer technical field.It is characterized in that：Including being arranged in high speed shaft（3）The lubrication channel of side and the first cavity（16）With the second cavity（15）, the first cavity（16）It is arranged in self-aligning roller bearing（6）And taper roll bearing（4）Between and and self-aligning roller bearing（6）With the taper roll bearing of inside（4）Side is connected to, the second cavity（15）It is arranged in taper roll bearing（4）Outside and taper roll bearing with outside（4）Side connection, lubrication channel one end and babinet（19）Inner cavity lower part be connected to, the other end simultaneously with the first cavity（16）With the second cavity（15）Connection.This speed reducer speed end bearing lubrication structure makes speed reducer speed end oil inlet abundant, and high speed shaft bearing lubrication is abundant, and the lubrication state of especially bearing of the high speed shaft from babinet farther out is greatly improved.
Description
Technical field
A kind of speed reducer speed end bearing lubrication structure, belongs to speed reducer technical field.
Background technology
Speed reducer transmission device has a wide range of applications in the mechanical equipment of industry-by-industry at present, and rectangular axis speed reducer is made
It is universal in every profession and trade application for one such common driving form.
Due to being influenced by structure, rectangular axis speed reducer high speed shaft is bevel gear shaft, needs to pacify by cantilevers such as bearing blocks
Dress, such speed end just need polydisc using upper bearing (metal) as support, will appear the outermost side bearing of speed end in this way in babinet
Portion distance farther out the case where occur.
When speed end Bevel Gear Transmission than it is bigger when, cause high speed end bearing relatively small, although speed reducer run
It is preceding that lubricating oil can be made to reach speed end outboard bearing position by way of improving oil level, but after speed reducer operates,
High speed rotating speed is very high so that speed end temperature and pressure is higher, so that the lubricating oil inside speed end is passed through drainback passage and returns
To babinet so that speed end outboard bearing cannot get good lubrication, and high speed shaft outboard bearing service life is caused to substantially reduce
Even there is oil starvation damage.
Invention content
The technical problems to be solved in the utility model is：A kind of rectangular axis that meets is overcome the deficiencies of the prior art and provide to subtract
The lubrication needs of fast machine high speed end bearing make rectangular axis speed reducer high speed end bearing especially outboard bearing possess preferable profit
The speed reducer speed end bearing lubrication structure of slip energy.
Technical solution adopted by the utility model to solve its technical problems is：The speed reducer speed end bearing lubrication knot
Structure, it is characterised in that：Including being arranged in the lubrication channel of high speed shaft side and the first cavity and the second cavity, high speed shaft it is interior
End is mounted on by self-aligning roller bearing on babinet, and the outer end of high speed shaft is installed by two taper roll bearings being oppositely arranged
On babinet, the first cavity be arranged between self-aligning roller bearing and taper roll bearing and with self-aligning roller bearing and inside
Taper roll bearing side be connected to, the second cavity be arranged on the outside of taper roll bearing and with the side of the taper roll bearing in outside
Portion is connected to, and lubrication channel one end is connected to cabinets cavity lower part, and the other end is connected to the first cavity and the second cavity simultaneously.
Preferably, the lubrication channel includes first passage, second channel and third channel, and second channel setting exists
It is connected on babinet on the downside of high speed shaft and with cabinets cavity, the both ends of first passage connect with the first cavity and second channel respectively
Logical, third channel is arranged on the downside of high speed shaft and is connected to the first cavity and the second cavity.
Preferably, horizontal fourth lane, one end of fourth lane and the inner cavity of babinet are additionally provided on the babinet
Lower part is connected to, and the other end is connected to the first cavity.
Preferably, the internal diameter of the fourth lane is more than the internal diameter of second channel.
Preferably, the fourth lane has be symmetricly set on high speed shaft both sides two.
Preferably, the taper roll bearing described in two is mounted on by bearing insert on babinet, the inner wall of bearing insert
It is provided with third cavity, third cavity is connected to the adjacent side of two taper roll bearings simultaneously, lubrication channel and third
Cavity is connected to.
Preferably, transparent cover is provided between the high speed shaft and babinet, the middle and lower part of transparent cover is provided with drainback passage, returns
The one end in oily channel is connected to the second cavity, and the other end is connected to the inner cavity lower part of babinet.
Preferably, the babinet on the upside of the high speed shaft is additionally provided with vertical Five-channel, Five-channel upper end and case
The inner cavity of body is connected to, and lower end is connected to the lubrication hole of self-aligning roller bearing.
Preferably, first cavity and the second cavity loop are arranged around high speed shaft.
Compared with prior art, advantageous effect possessed by the utility model is：
1, the lubrication channel of this speed reducer speed end bearing lubrication structure makes speed reducer speed end oil inlet abundant, high speed shaft
Bearing lubrication is abundant, and lubricant effect is preferable, and the lubrication state of especially bearing of the high speed shaft from babinet farther out is greatly improved,
The service life of bearing is improved, and then improves service life and the operational reliability of speed reducer, avoids the appearance of high speed shaft outboard bearing
The problem of oil starvation damage causes service life to substantially reduce.
2, the lubricating oil in babinet can be entered by first passage and second channel in the first cavity, in the first cavity
Lubricating oil entered in the second cavity by third channel, to being lubricated all bearings.
3, the diameter of fourth lane is big, and a large amount of lubricating oil are entered by fourth lane in the first cavity, ensures that first is empty
Intracavitary has sufficient lubricating oil, and then ensure that also there is sufficient lubricating oil in the second cavity, improves the lubricant effect of bearing.
4, third cavity can be lubricated the adjacent side of two taper roll bearings, further improve bearing
Lubricant effect.
5, drainback passage can avoid lubricating oil bulk deposition from oppressing oil sealing in the first cavity and cause speed reducer high speed shaft
Input terminal oil leak.
6, lubricating oil has been got rid of in high speed shaft and bevel gear engagement rotation, and the lubricating oil got rid of enters tune by Five-channel
In the lubrication hole of heart roller bearing, to be lubricated to the inside of self-aligning roller bearing.
Description of the drawings
Fig. 1 is the structural schematic diagram of speed reducer speed end bearing lubrication structure.
Fig. 2 is the partial enlarged view at A in Fig. 1.
Fig. 3 is the structural schematic diagram of third channel and fourth lane.
Fig. 4 is the partial enlarged view at B in Fig. 3.
Fig. 5 is the left view schematic diagram of speed reducer.
Fig. 6 is the schematic front view of bearing insert.
In figure：1, bearing insert 2, transparent cover 3, high speed shaft 4, taper roll bearing 5, extension tube attached 6, aligning rolling
Sub- bearing 601, lubrication hole 7, Five-channel 8, first passage 9, second channel 10, third channel the 11, the 6th
Channel 12, the 7th channel 13, third cavity 14, drainback passage 15, the second cavity 16, the first cavity 17, silk
Stifled 18, fourth lane 19, babinet 20, bearing block 21, the 8th channel.
Specific implementation mode
Fig. 1 ~ 6 are the most preferred embodiments of the utility model, and 1 ~ 6 pair of the utility model is done furtherly below in conjunction with the accompanying drawings
It is bright.
A kind of speed reducer speed end bearing lubrication structure, including the lubrication channel and first in 3 side of high speed shaft is set
The inner end of cavity 16 and the second cavity 15, high speed shaft 3 is mounted on by self-aligning roller bearing 6 on babinet 19, the outer end of high speed shaft 3
It is mounted on babinet 19 by two taper roll bearings 4 being oppositely arranged, the first cavity 16 is arranged in 6 He of self-aligning roller bearing
It is connected between taper roll bearing 4 and with self-aligning roller bearing 6 and 4 side of the taper roll bearing of inside, the second cavity 15 is set
It sets in 4 outside of taper roll bearing and is connected to the side of the taper roll bearing in outside 4, in lubrication channel one end and babinet 19
Chamber lower part is connected to, and the other end is connected to the first cavity 16 and the second cavity 15 simultaneously.This speed reducer speed end bearing lubrication structure
Lubrication channel make speed reducer speed end oil inlet abundant, 3 bearing lubrication of high speed shaft is abundant, and lubricant effect is preferable, especially high
The lubrication state of bearing of the fast axis 3 from babinet 19 farther out is greatly improved, and improves the service life of bearing, and then improves deceleration
The service life of machine and operational reliability, avoid 3 outboard bearing of high speed shaft occur oil starvation damage cause service life to substantially reduce
Problem.
The utility model is described further with reference to specific embodiment, however persons familiar with the art should
Solution, is to preferably explain here in connection with the detailed description that attached drawing provides, the structure of the utility model has necessarily had exceeded
These embodiments of limit, and for some equivalents or common approach, it is no longer described in detail herein, but still fall within this
The protection domain of application.
Specifically：As shown in Figure 1 and 2：In the present embodiment, speed reducer is rectangular axis speed reducer, the i.e. input shaft of speed reducer
It is mutually perpendicular to the axial direction of output shaft.High speed shaft 3 is horizontally disposed, and the right end of high speed shaft 3 is meshed with the bevel gear of speed reducer, high
The right end of fast axis 3 is the inner end of high speed shaft 3, and the left end of high speed shaft 3 is the outer end of high speed shaft 3, and the right end of high speed shaft 3 passes through aligning
In 6 installation casing 19 of roller bearing, the right side of self-aligning roller bearing 6 is directly connected to the inner cavity of babinet 19, is passed through so as to cross
Lubricating oil in babinet 19 is directly lubricated the right side of self-aligning roller bearing 6.
The left side of babinet 19 is equipped with bearing block 20, and 20 right side of bearing block is fixedly connected with babinet 19, and bearing block 20 and
High speed shaft 3 is coaxially disposed.The left end of the bearing insert 1 that bearing block 20 is coaxially disposed with high speed shaft 3, high speed shaft 3 is set by opposite
Two taper roll bearings 4 set are mounted in bearing insert 1.It is equipped with and high speed on the bearing block 20 in 1 left side of bearing insert
The transparent cover 2 that axis 3 is coaxially disposed, transparent cover 2 is fixed and is tightly connected with bearing block 20, thus will be between high speed shaft 3 and bearing block 20
Closing.
First cavity 16 is arranged around high speed shaft 3, and the circular cone in self-aligning roller bearing 6 and right side is arranged in the first cavity 16
Between roller bearing 4, the right side of the first cavity 16 is connected to the left side of self-aligning roller bearing 6, left side and the right side of the first cavity 16
The right side of the taper roll bearing 4 of side is connected to, and self-aligning roller bearing 6 detaches 19 inner cavity of babinet with the first cavity 16.
Second cavity 15 is arranged on 2 inner wall of transparent cover, and the second cavity 15 is arranged around high speed shaft 3, and the second cavity 15 is set
It sets in the left side of the taper roll bearing 4 in left side, and be connected to the left side of the taper roll bearing in left side 4, and two circular cone rollings
Sub- bearing 4 detaches the first cavity 16 and the second cavity 15.
Lubrication channel includes the first passage 8 being arranged on babinet 19 and second channel 9 and is arranged on bearing insert 1
Third channel 10.Second channel 9 is horizontally set on 3 downside of high speed shaft, the right end of second channel 9 and the inner cavity lower part of babinet 19
Connection.First passage 8 is vertically provided at 3 downside of high speed shaft, and the setting of first passage 8, in 6 left side of self-aligning roller bearing, first is logical
The upper end in road 8 is connected to the lower part of the first cavity 16, and the lower end of first passage 8 is connected to the inner cavity lower part of babinet 19.First is logical
The middle part in road 8 is connected to the middle part of second channel 9, to make the lubricating oil in babinet 19 pass through second channel 9 and first passage 8
It enters in the first cavity 16 or is directly over first passage 8 and enter in the first cavity 16.Third channel 10 is arranged first
Between cavity 16 and the second cavity 15, and the first cavity 16 is connected to the second cavity 15, to make the profit in the first cavity 16
Lubricating oil enters in the second cavity 15, realizes comprehensive lubrication to bearing.
The inner wall of bearing insert 1 is provided with third cavity 13, third cavity 13 is arranged in two taper roll bearings 4
Between, and third cavity 13 is connected to the adjacent side of two taper roll bearings 4 simultaneously.1 downside of bearing insert is provided with
The 7th vertical channel 12, the upper end in the 7th channel 12 are connected to the downside of third cavity 13.The downside of bearing block 20 is provided with
8th channel 21 in vertical the 6th channel 11 and level, the left end in the 8th channel 21 are connected to the middle part in the 6th channel 11,
The right end in the 8th channel 21 is connected to the left end of second channel 9.The upper end in the 6th channel 11 is connected to the lower end in the 7th channel 12,
The lower end in the 6th channel 11 is connected to the outside of babinet 19, and the lower end in the 6th channel 11 is closed by silk plug 17, lubricating oil warp
It crosses second channel 9, the 8th channel 21, the 6th channel 11 and the 7th channel 12 to flow into third cavity 13, to two taper rollers
The sides adjacent of bearing 4 is lubricated.It, can be by the 6th by silk plug 17 since the lower end in the 6th channel 11 is closed by silk plug 17
Channel 11 is opened, and had not only been facilitated and has been cleared up the 6th channel 11 and second channel 9, but also has facilitated the lubricating oil in babinet 19
Discharge.
The downside of transparent cover 2 is provided with vertical drainback passage 14, and drainback passage 14 is arranged on a left side for taper roll bearing 4
Side, and the upper end of drainback passage 14 is connected to the second cavity 15, the lower end setting of drainback passage 14 is connected to 19 outside of babinet, is returned
The lower end in oily channel 14 is connected to by extension tube attached 5 with the bottom of 19 inner cavity of babinet, so as to facilitate the first cavity 16 and second
Lubricating oil in cavity 15 flows back to 19 inner cavity of babinet, prevents lubricating oil bulk deposition compressing oil sealing in the second cavity 15 from causing to subtract
The input terminal oil leak of fast machine high speed shaft 3.
Be provided with vertical Five-channel 7 on the babinet 19 of the upside of high speed shaft 3, the upper end of Five-channel 7 in babinet 19
Chamber is connected to.The upside of self-aligning roller bearing 6 is provided with lubrication hole 601, and two row in self-aligning roller bearing 6 are arranged in lubrication hole 601
Between roller, the lower end of Five-channel 7 is connected to the upper end of lubrication hole 601, so as to preferably to self-aligning roller bearing 6
Inside is lubricated.
As shown in Fig. 3 ~ 5：Third channel 10 is arranged on the inner wall of the bearing insert 1 of 3 downside of high speed shaft, and third channel
10 is horizontally disposed, and the right end of third channel 10 is connected to the first cavity 16, and the left end of third channel 10 is connected to the second cavity 15,
The middle part of third channel 10 is connected to third cavity 13, so as in the first cavity 16, the second cavity 15 and third cavity 13
Lubricating oil can flow freely, lead to the generation for lacking lubricating oil phenomenon to avoid due to 3 high speed rotation of high speed shaft.
Horizontal fourth lane 18 is additionally provided on babinet 19, right end and the 19 inner cavity lower part of babinet of fourth lane 18 connect
Logical, the left end of fourth lane 18 is connected to the first cavity 16, and the internal diameter of fourth lane 18 is more than the internal diameter of second channel 9, to
A large amount of lubricating oil can be made to be entered in the first cavity 16 by fourth lane 18, and then ensure that the second cavity 15 and third
There is sufficient lubricating oil in cavity 13.In the present embodiment, the internal diameter of second channel 9 is 12mm, and the internal diameter of fourth lane 18 is
25mm。
In the present embodiment, there are two fourth lanes 18, the both sides of high speed shaft 3 are symmetricly set on, fourth lane 18 is arranged
In the middle and lower part of high speed shaft 3.
As shown in Figure 6：There are two third channels 10, is symmetricly set on the both sides of high speed shaft 3, and the both sides of transparent cover 2 are symmetrically set
It is equipped with oil groove, oil groove is corresponded with third channel 10 and is connected in corresponding third channel 10, to ensure that lubricating oil can be suitable
Smooth enters the second cavity 15.
This speed reducer speed end bearing lubrication structure can simultaneously be lubricated the both sides of each bearing so that speed reducer
Speed end oil inlet is abundant, and the bearing lubrication of high speed shaft is abundant, and lubricant effect is preferable.
The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of variation.But it is every without departing from the content of the technical scheme of the utility model, the technology according to the utility model is real
Any simple modification, equivalent variations and remodeling, still fall within the guarantor of technical solutions of the utility model made by confrontation above example
Protect range.
Claims (9)
1. a kind of speed reducer speed end bearing lubrication structure, it is characterised in that：Including being arranged in high speed shaft（3）The lubrication of side is logical
Road and the first cavity（16）With the second cavity（15）, high speed shaft（3）Inner end pass through self-aligning roller bearing（6）Mounted on babinet
（19）On, high speed shaft（3）Outer end pass through two taper roll bearings being oppositely arranged（4）Mounted on babinet（19）On, first
Cavity（16）It is arranged in self-aligning roller bearing（6）And taper roll bearing（4）Between and and self-aligning roller bearing（6）With inside
Taper roll bearing（4）Side is connected to, the second cavity（15）It is arranged in taper roll bearing（4）It is simultaneously rolled with the circular cone in outside in outside
Sub- bearing（4）Side connection, lubrication channel one end and babinet（19）Inner cavity lower part be connected to, the other end simultaneously with the first cavity
（16）With the second cavity（15）Connection.
2. speed reducer speed end bearing lubrication structure according to claim 1, it is characterised in that：The lubrication channel packet
Include first passage（8）, second channel（9）And third channel（10）, second channel（9）It is arranged in high speed shaft（3）The case of downside
Body（19）Upper and and babinet（19）Inner cavity is connected to, first passage（8）Both ends respectively with the first cavity（16）And second channel（9）
Connection, third channel（10）It is arranged in high speed shaft（3）Downside and by the first cavity（16）With the second cavity（15）Connection.
3. speed reducer speed end bearing lubrication structure according to claim 1 or 2, it is characterised in that：The babinet
（19）On be additionally provided with horizontal fourth lane（18）, fourth lane（18）One end and babinet（19）Inner cavity lower part connection,
The other end and the first cavity（16）Connection.
4. speed reducer speed end bearing lubrication structure according to claim 3, it is characterised in that：The fourth lane
（18）Internal diameter be more than second channel（9）Internal diameter.
5. speed reducer speed end bearing lubrication structure according to claim 3, it is characterised in that：The fourth lane
（18）It is symmetricly set on high speed shaft（3）Two of both sides.
6. speed reducer speed end bearing lubrication structure according to claim 1, it is characterised in that：Circular cone rolling described in two
Sub- bearing（4）Pass through bearing insert（1）Mounted on babinet（19）On, bearing insert（1）Inner wall be provided with third cavity（13）,
Third cavity（13）Simultaneously with two taper roll bearings（4）Adjacent side connection, lubrication channel and third cavity（13）
Connection.
7. speed reducer speed end bearing lubrication structure according to claim 2, it is characterised in that：The high speed shaft（3）
With babinet（19）Between be provided with transparent cover（2）, transparent cover（2）Middle and lower part be provided with drainback passage（14）, drainback passage（14）'s
One end and the second cavity（15）Connection, the other end and babinet（19）Inner cavity lower part connection.
8. speed reducer speed end bearing lubrication structure according to claim 1, it is characterised in that：The high speed shaft（3）
The babinet of upside（19）It is additionally provided with vertical Five-channel（7）, Five-channel（7）Upper end and babinet（19）Inner cavity connection,
Lower end and self-aligning roller bearing（6）Lubrication hole（601）Connection.
9. speed reducer speed end bearing lubrication structure according to claim 1, it is characterised in that：First cavity
（16）With the second cavity（15）Around high speed shaft（3）Setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820146617.8U CN207880047U (en) | 2018-01-29 | 2018-01-29 | A kind of speed reducer speed end bearing lubrication structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820146617.8U CN207880047U (en) | 2018-01-29 | 2018-01-29 | A kind of speed reducer speed end bearing lubrication structure |
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| Publication Number | Publication Date |
|---|---|
| CN207880047U true CN207880047U (en) | 2018-09-18 |
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ID=63508638
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820146617.8U Active CN207880047U (en) | 2018-01-29 | 2018-01-29 | A kind of speed reducer speed end bearing lubrication structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296840A (en) * | 2019-07-25 | 2019-10-01 | 洛阳Lyc轴承有限公司 | A kind of vehicle tapered roller bearing grease lubrication test device |
| WO2022088459A1 (en) * | 2020-10-28 | 2022-05-05 | 江苏泰隆减速机股份有限公司 | Lifting speed reducer for coal mine |
-
2018
- 2018-01-29 CN CN201820146617.8U patent/CN207880047U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296840A (en) * | 2019-07-25 | 2019-10-01 | 洛阳Lyc轴承有限公司 | A kind of vehicle tapered roller bearing grease lubrication test device |
| WO2022088459A1 (en) * | 2020-10-28 | 2022-05-05 | 江苏泰隆减速机股份有限公司 | Lifting speed reducer for coal mine |
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