CN204553562U - A kind of sliding bearing, grader back axle and grader - Google Patents
A kind of sliding bearing, grader back axle and grader Download PDFInfo
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- CN204553562U CN204553562U CN201420795464.1U CN201420795464U CN204553562U CN 204553562 U CN204553562 U CN 204553562U CN 201420795464 U CN201420795464 U CN 201420795464U CN 204553562 U CN204553562 U CN 204553562U
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- gas
- sliding bearing
- permeable channels
- lubrication channel
- bearing
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Abstract
The utility model discloses a kind of sliding bearing, comprise bearing shell and bearing support, described bearing shell has the outer surface that assembles with described bearing support and the internal surface for assembling rotary component, and described sliding bearing is also provided with gas permeable devices.Compared to existing technologies, above-mentioned gas permeable devices can change the flowing that internal pressure is convenient to lubricating grease or lubricant oil, lubricating bearings better, and above-mentioned sliding bearing has structure advantage simple, with low cost.Meanwhile, the invention also discloses a kind of grader back axle that above-mentioned sliding bearing is set.In addition, the invention also discloses a kind of grader that above-mentioned grader back axle is set.
Description
Technical field
The utility model relates to field of bearings, particularly relates to a kind of sliding bearing and comprises the grader back axle of above-mentioned sliding bearing.Moreover the utility model also relates to a kind of grader comprising above-mentioned grader back axle.
Background technique
Current domestic grader ubiquity back axle sliding bearing (copper sheathing) place insufficient lubrication, sliding bearing and sliding axle fitting surface, produce certain frictional force, wearing and tearing are caused to pulley bearings, cause copper sheathing to be easily damaged parts, often inordinate wear phenomenon occurs, affect the working life of copper sheathing.This place's sliding bearing is grease lubrication in theory, traditional method, in assembly process, the fitting surface of sliding bearing and sliding axle smears certain lubricating grease, to sliding bearing lubricate.But due to current structure problem, lubricating grease is difficult to filling and enters sliding bearing slip surface, cause client to maintain difficulty, thus inordinate wear is serious herein.And due to without exhaust structure, internal pressure is too high, when even also can cause filling butter, sliding bearing sealed groove place is opened the fault split.
Application number is that the Chinese patent of CN200820092938.0 discloses a kind of sliding bearing lubricating device, comprise sliding axle, oil nozzle and oil duct is provided with in sliding axle, can facilitate and regularly add lubricating grease to oil duct from oil nozzle, and need not by whole equipment dismounting, refitting, but due to internal pressure problem, the effect that lubricating grease arrives main stress surface is unsatisfactory, the lubrication effect of sliding bearing non-specifically is good.
Model utility content
In view of this, one of problem to be solved in the utility model how to provide the sliding bearing that a kind of structure is simple, be convenient to add lubricating grease or lubricant oil.
Two of problem to be solved in the utility model how to provide a kind of grader back axle comprising above-mentioned sliding bearing.
Three of problem to be solved in the utility model how to provide a kind of grader comprising above-mentioned grader back axle.
On the one hand, the utility model provides a kind of sliding bearing, comprise bearing shell and bearing support, described bearing shell has the outer surface that assembles with described bearing support and the internal surface for assembling rotary component, described sliding bearing is also provided with gas permeable devices, described gas permeable devices comprises gas-permeable channels, and the inner of described gas-permeable channels is communicated with the internal surface of described bearing shell, and the outer end of described gas-permeable channels is communicated with the outer surface of described bearing support.
Further, described gas-permeable channels is arranged along sliding bearing radial direction, and described gas permeable devices also comprises the Ventilated cap for controlling described gas-permeable channels closure or openness, and described Ventilated cap is arranged on described bearing support.
Further, described gas-permeable channels comprises the first gas-permeable channels and the second gas-permeable channels, described first gas-permeable channels is arranged on described bearing shell, and described second gas-permeable channels is arranged on described bearing support, and the air outlet of described first gas-permeable channels is connected with the suction port of described second gas-permeable channels; Described Ventilated cap is connected with the air outlet of described second gas-permeable channels.
Further, described sliding bearing is radially also provided with lubrication channel and oil nozzle, described oil nozzle is connected with described lubrication channel, and lubricant oil enters described lubrication channel by described oil nozzle.
Further, described lubrication channel comprises the first lubrication channel and the second lubrication channel, described first lubrication channel is arranged on described bearing shell, and described second lubrication channel is arranged on described bearing support, and the filler opening of described first lubrication channel is connected with the oil outlet of described second lubrication channel; Described oil nozzle is connected with the filler opening of described second lubrication channel.
Further, the internal surface of described bearing shell is at least provided with a groove for splendid attire hydraulic oil, described groove is step-like.
Further, described groove place is provided with the seal ring for sealing fluid force feed.
Further, described Ventilated cap is one-way valve.
The sliding bearing that the utility model provides, comprise bearing shell and bearing support, described bearing shell has the outer surface that assembles with described bearing support and the internal surface for assembling rotary component, compared to existing technologies, described sliding bearing is also provided with gas permeable devices, gas permeable devices can change the flowing that internal pressure is convenient to lubricating grease or lubricant oil, lubricating bearings better, and above-mentioned sliding bearing structure is simple, with low cost.
On the other hand, the utility model also provides a kind of grader back axle, comprise rear axle housing, tandem-driving bogie and the sliding bearing described in upper any one thereof, described tandem-driving bogie is fixedly connected with described bearing support, the internal surface of described bearing shell is connected with described rear axle housing, and described sliding bearing can rotate around described rear axle housing.
Again on the one hand, the utility model also provides a kind of grader, and described grader comprises grader back axle described on it.
Above-mentioned grader pacifically on machine back axle owing to being provided with aforementioned sliding bearing, obviously there are whole beneficial effects of aforementioned sliding bearing, do not repeat them here.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.
Fig. 1 is the partial cutaway view schematic that the utility model sliding bearing one specific embodiment is applied to grader back axle.
Description of reference numerals
1 rear axle housing 2 bearing shell 3 tandem-driving bogie
4 oil nozzle 5 bearing support 6 Ventilated caps
7 seal ring 8 groove 9 first gas-permeable channels
10 second gas-permeable channels 11 first lubrication channel 12 second lubrication channels
Embodiment
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
As shown in Figure 1, a kind of sliding bearing, comprises bearing shell 2 and bearing support 5, and bearing shell 2 has the outer surface that assembles with bearing support 5 and the internal surface for assembling rotary component, sliding bearing being also provided with gas permeable devices, solving the technical problem of lubricating grease or oil filling difficulty by setting up gas permeable devices.Particularly, gas permeable devices comprises the gas-permeable channels arranged along sliding bearing radial direction, and for controlling the Ventilated cap 6 of gas-permeable channels closure or openness, Ventilated cap 6 is arranged on bearing support 5.In view of one-way valve has that sealing is good and one-way locking has pressure maintaining effect, preferably, Ventilated cap 6 is one-way valve.
As shown in Figure 1, gas-permeable channels comprises the first gas-permeable channels 9 and the second gas-permeable channels 10, first gas-permeable channels 9 is arranged on bearing shell 2, and the second gas-permeable channels 10 is arranged on bearing support 5, and the air outlet of the first gas-permeable channels 9 is connected with the suction port of the second gas-permeable channels 10; Ventilated cap 6 is connected with the air outlet of the second gas-permeable channels 10.
As shown in Figure 1, sliding bearing is radially also provided with lubrication channel and oil nozzle 4, and oil nozzle 4 is connected with lubrication channel, and lubricant oil enters described lubrication channel by oil nozzle 4.Particularly, the internal surface of bearing shell 2 is at least provided with a groove 8 for splendid attire hydraulic oil, groove 8 is step-like.By the structure of groove 8, effectively solve groove technical problem easy to crack.Groove 8 place is provided with the seal ring 7 for sealing fluid force feed.It should be noted that, the quantity of groove 8 is preferably two, and two grooves 8 are arranged at the two ends, left and right of bearing shell 2.
Further, lubrication channel comprises the first lubrication channel 11 and the second lubrication channel 12, first lubrication channel 11 is arranged on bearing shell 2, and the second lubrication channel 12 is arranged on bearing support 5, and the filler opening of the first lubrication channel 11 is connected with the oil outlet of the second lubrication channel 12; Oil nozzle 4 is connected with the filler opening of the second lubrication channel 12.Lubricant oil enters into the first lubrication channel 12 by oil nozzle 4 through the second lubrication channel 12, makes lubricant oil arrive main stress surface, forms oil film, avoids wearing and tearing, and then extends the working life of sliding bearing.It should be noted that, for ensureing that lubricant oil arrives stress surface better in the utility model, lubrication channel and gas-permeable channels are arranged at the two ends of sliding bearing respectively, as shown in Figure 1, lubrication channel is arranged at the left end of sliding bearing in this embodiment, gas-permeable channels is arranged at the right-hand member of sliding bearing, but not as limit.
In sum, sliding bearing in the utility model, comprise bearing shell 2 and bearing support 5, bearing shell 2 has the outer surface that assembles with bearing support 5 and the internal surface for assembling rotary component, compared to existing technologies, sliding bearing is also provided with gas permeable devices, gas permeable devices can change the flowing that internal pressure is convenient to lubricating grease or lubricant oil, lubricating bearings better, and above-mentioned sliding bearing structure is simple, with low cost.
On the other hand, the invention also discloses a kind of grader back axle, comprise rear axle housing 1, tandem-driving bogie 3 and upper described sliding bearing thereof, tandem-driving bogie 3 is fixedly connected with bearing support 5, the internal surface of bearing shell 2 is connected with described rear axle housing 1, and sliding bearing can rotate around rear axle housing 1.By utilizing material flows from high-pressure spray to the principle of low pressure, set up gas permeable devices, solve gas cannot get rid of, cause the technical problem of lubricating grease or oil filling difficulty, make lubricating grease more easily arrive main stress surface, form oil film, effectively reduce the wearing and tearing of sliding bearing, extend the working life of sliding bearing, and by optimizing groove 8, effectively solve the technical problem that groove 8 ftractures.
Again on the one hand, the invention also discloses a kind of grader, comprise grader back axle described on it.Above-mentioned grader obviously has whole beneficial effects of aforementioned sliding bearing and grader back axle, does not repeat them here.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a sliding bearing, comprise bearing shell (2) and bearing support (5), described bearing shell (2) has the outer surface that assembles with described bearing support (5) and the internal surface for assembling rotary component, it is characterized in that, described sliding bearing is also provided with gas permeable devices, described gas permeable devices comprises gas-permeable channels, the inner of described gas-permeable channels is communicated with the internal surface of described bearing shell (2), and the outer end of described gas-permeable channels is communicated with the outer surface of described bearing support (5).
2. sliding bearing according to claim 1, it is characterized in that, described gas-permeable channels is arranged along sliding bearing radial direction, described gas permeable devices also comprises the Ventilated cap (6) for controlling described gas-permeable channels closure or openness, and described Ventilated cap (6) is arranged on described bearing support (5).
3. sliding bearing according to claim 2, it is characterized in that, described gas-permeable channels comprises the first gas-permeable channels (9) and the second gas-permeable channels (10), described first gas-permeable channels (9) is arranged on described bearing shell (2), described second gas-permeable channels (10) is arranged on described bearing support (5), and the air outlet of described first gas-permeable channels (9) is connected with the suction port of described second gas-permeable channels (10); Described Ventilated cap (6) is connected with the air outlet of described second gas-permeable channels (10).
4. sliding bearing according to any one of claim 1 to 3, it is characterized in that, described sliding bearing is radially also provided with lubrication channel and oil nozzle (4), described oil nozzle (4) is connected with described lubrication channel, and lubricant oil enters described lubrication channel by described oil nozzle (4).
5. sliding bearing according to claim 4, it is characterized in that, described lubrication channel comprises the first lubrication channel (11) and the second lubrication channel (12), described first lubrication channel (11) is arranged on described bearing shell (2), described second lubrication channel (12) is arranged on described bearing support (5), and the filler opening of described first lubrication channel (11) is connected with the oil outlet of described second lubrication channel (12); Described oil nozzle (4) is connected with the filler opening of described second lubrication channel (12).
6. sliding bearing according to claim 1, is characterized in that, the internal surface of described bearing shell (2) is at least provided with a groove for splendid attire hydraulic oil (8), described groove (8) is for step-like.
7. sliding bearing according to claim 6, is characterized in that, described groove (8) place is provided with the seal ring (7) for sealing fluid force feed.
8. sliding bearing according to claim 2, is characterized in that, described Ventilated cap (6) is one-way valve.
9. a grader back axle, it is characterized in that, comprise rear axle housing (1), tandem-driving bogie (3) and the sliding bearing according to any one of claim 1 to 8, described tandem-driving bogie (3) is fixedly connected with described bearing support (5), the internal surface of described bearing shell (2) is connected with described rear axle housing (1), and described sliding bearing can rotate around described rear axle housing (1).
10. a grader, comprises grader back axle, it is characterized in that, described grader back axle is grader back axle according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420795464.1U CN204553562U (en) | 2014-12-15 | 2014-12-15 | A kind of sliding bearing, grader back axle and grader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420795464.1U CN204553562U (en) | 2014-12-15 | 2014-12-15 | A kind of sliding bearing, grader back axle and grader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204553562U true CN204553562U (en) | 2015-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420795464.1U Active CN204553562U (en) | 2014-12-15 | 2014-12-15 | A kind of sliding bearing, grader back axle and grader |
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| Country | Link |
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| CN (1) | CN204553562U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107574850A (en) * | 2017-08-24 | 2018-01-12 | 山东临工工程机械有限公司 | Rolling disc type equipment and its slip revolving support |
-
2014
- 2014-12-15 CN CN201420795464.1U patent/CN204553562U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107574850A (en) * | 2017-08-24 | 2018-01-12 | 山东临工工程机械有限公司 | Rolling disc type equipment and its slip revolving support |
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