CN203743193U - Leakage stopping type thrust bearing - Google Patents
Leakage stopping type thrust bearing Download PDFInfo
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- CN203743193U CN203743193U CN201320877752.7U CN201320877752U CN203743193U CN 203743193 U CN203743193 U CN 203743193U CN 201320877752 U CN201320877752 U CN 201320877752U CN 203743193 U CN203743193 U CN 203743193U
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- oil
- thrust bearing
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- bearing
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Abstract
The utility model discloses a leakage stopping type thrust bearing. The leakage stopping type thrust bearing comprises a back plate arranged on a turbine shaft assembly, a thrust plate, an upper thrust gasket, a thrust bearing and a lower thrust gasket, wherein the thrust bearing is mounted between the upper thrust gasket and the lower thrust gasket; the back plate and the thrust plate are fastened on a middle body by screws; a radial oil inlet hole is formed in an outer circle concave groove of the thrust bearing; axial oil inlet holes are formed in oil wedged faces of the two end faces; grooves of the two end faces are internally provided with oil returning holes which are staggered from the axial oil inlet holes; the end face of the thrust plate is provided with an oil returning groove; the oil returning groove is matched with the end face groove of the thrust bearing to form an oil returning cavity; an inclined oil outlet hole is formed in the end face of the middle body. With the adoption of the manner, a method of returning oil by dispersing oil towards two sides adopted in a traditional product can be changed so that lubricating oil of the thrust bearing is intensively and accurately discharged in a sealed space and a phenomenon that a supercharger leaks the oil, caused by the fact that the oil flows or splashes to the periphery of the back plate, can be avoided.
Description
Technical field
The utility model relates to turbo-charger technical field, particularly relates to a kind of leak-stopping formula thrust bearing.
Background technique
Turbosupercharger, it is the high-temp waste gas that utilizes motor to discharge, drive the turbine rotation acting in turbo machine, turbine shaft drives the coaxial impeller High Rotation Speed being connected in gas compressor, with centrifugal mode pressurized air, offer engine high pressure, high-density air, thereby can spray more fuel oil to motor, reach objects such as improving engine power, moment of torsion and minimizing discharge.
In the core of turbosupercharger---in the conventional construction of rotor assembly, thrust bearing is all fixed on intermediate, and both sides or one side are designed with oil film wedge face, are designed with thrust washer simultaneously on turbine shaft, clamp thrust bearing both sides, realized axial effectively spacing of turbine shaft assembly.
This design can meet the demands in the performance of pressurized machine, but from a structural point, the lubricant oil entering enters oil circuit from the oilhole of thrust bearing and forms oil film, oil return is often just freely discharged along open thrust bearing oil circuit, the oil of discharging does not like this have fixing direction and position, oil will flow to around backboard, causes pressurized machine oil leakage phenomenon, thereby causes losing efficacy.
The way before adopting is to add piece oil baffle, but that does not deal with problems is basic, and the non-constant width of turbo charger speed scope, from several thousand revs/min to twenties0000 revs/min, turbine and pinch roller are in the time of high speed operation, can produce the factors such as vibrations, cause like this difficulty of oil-leakage-prevention design very large.
Model utility content
The technical problem that the utility model mainly solves is to provide a kind of leak-stopping formula thrust bearing, can change the way that in traditional product, both sides disperse oil return, make the lubricant oil of thrust bearing in the space of a sealing, concentrate oil extraction accurately, can not flow to or be splashed to backboard because of oil and form pressurized machine oil leakage phenomenon around.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is: a kind of leak-stopping formula thrust bearing is provided, comprise: be located at the backboard on turbine shaft assembly, thrust plate, upper thrust washer, thrust bearing and lower thrust washer, thrust bearing is arranged between thrust washer and lower thrust washer, backboard and thrust plate by screw fastening on intermediate, the cylindrical Baltimore groove of described thrust bearing is provided with radially oil inlet hole, the oil film wedge face of both ends of the surface is provided with axial fuel inlet hole, in the groove of both ends of the surface, be provided with the spill port staggering with axial fuel inlet hole, the end face groove fit that the end face of described thrust plate is provided with oil-return groove and thrust bearing forms oil back chamber, the end face of described intermediate is provided with oblique oil outlet.
In preferred embodiment of the utility model, on described turbine shaft assembly, be also provided with one for separating the thrust bearing spacer block of turbine shaft assembly and thrust bearing.
In preferred embodiment of the utility model, the both ends of the surface of described thrust bearing spacer block cooperatively interact with the end face of upper thrust washer and lower thrust washer respectively.
In preferred embodiment of the utility model, on described turbine shaft assembly, be also provided with floating bearing, floating bearing is arranged on the side near lower thrust washer.
In preferred embodiment of the utility model, described thrust plate is arranged on the side of turbine shaft assembly near upper thrust washer, and the end face of thrust plate coordinates with intermediate end face.
In preferred embodiment of the utility model, on described turbine shaft assembly, be also provided with a thrust ring, thrust ring is arranged between intermediate and upper thrust washer.
The beneficial effects of the utility model are: the utility model leak-stopping formula thrust bearing can change the way that in traditional product, both sides disperse oil return, make the lubricant oil of thrust bearing in the space of a sealing, concentrate oil extraction accurately, can not flow to or be splashed to backboard because of oil and form pressurized machine oil leakage phenomenon around.
Brief description of the drawings
In order to be illustrated more clearly in the technological scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing, wherein:
Fig. 1 is the structural representation of leak-stopping formula thrust bearing of the present utility model one preferred embodiment;
Fig. 2 is the partial enlarged drawing of A in Fig. 1;
Fig. 3 Fig. 1 is the structural representation of thrust bearing one preferred embodiment in the utility model;
Fig. 4 is that the B-B of Fig. 3 is to sectional view;
Fig. 5 is the assembled shaft mapping of leak-stopping formula thrust bearing of the present utility model;
Fig. 6 is the oil circuit figure of leak-stopping formula thrust bearing of the present utility model;
Fig. 7 is that the utility model is applied in the oil circuit figure that adopts full floating bearing in turbosupercharger;
Fig. 8 is that the utility model is applied in the oil circuit figure that adopts semifloating bearing in turbosupercharger;
In accompanying drawing, the mark of each parts is as follows: 2, backboard, 3, intermediate, 4, turbine shaft assembly, 5, thrust plate, 6, thrust ring, 7, upper thrust washer, 8, thrust bearing spacer block, 9, lower thrust washer, 10, floating bearing, 11, thrust bearing, 12, screw.
Embodiment
To the technological scheme in the utility model embodiment be clearly and completely described below, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making all other embodiments that obtain under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 to Fig. 8, the utility model is embodiment comprise:
A kind of leak-stopping formula thrust bearing, it comprises backboard 2, thrust plate 5, thrust ring 6, upper thrust washer 7, thrust bearing 11, lower thrust washer 9, thrust bearing spacer block 8 and the floating bearing 10 be located on turbine shaft assembly 4.
Wherein, thrust bearing 11 is arranged between thrust washer 7 and lower thrust washer 9, thrust plate 5 is arranged on the side near upper thrust washer 7, floating bearing 10 is arranged on the side near lower thrust washer 9, backboard 2 and thrust plate 5 are fastened on intermediate 3 by screw 12, thrust ring 6 is arranged between intermediate 3 and upper thrust washer 7, and thrust bearing spacer block 8 is arranged between thrust washer 7, lower thrust washer 9 and thrust bearing 11 for separating thrust bearing 11 and turbine shaft assembly 4.
On the cylindrical of thrust bearing 11, be provided with Baltimore groove, on Baltimore groove, be provided with radially oil inlet hole, two sides at thrust bearing 11 is all formed with oil film wedge face, oil film wedge face is provided with axial fuel inlet hole, oil-feed is diverted on oil film wedge face, can form effective oil film with the thrust washer on thrust bearing 11 both sides, avoid thrust bearing 11 and the thrust washer on both sides to form dry friction.
In the groove of thrust bearing 11 both ends of the surface, be provided with axial fuel inlet hole stagger arrange spill port, the new thrust plate 5 that adds on turbine shaft assembly 4, in assembly process, thrust plate 5 is fastened on intermediate 3 by screw 12 with backboard 2, has formed like this sealing oil circuit.
The end face of described thrust plate 5 is provided with oil-return groove, and form oil back chamber with the end face groove fit of thrust bearing 11, on the end face of intermediate 3, be provided with oblique oil outlet, fuel-displaced direction and position are controlled like this, in ensureing that oil circuit is unobstructed, also the maximized lubricant oil of having avoided flows to the Leakage that backboard 2 forms around.
Particularly, assembly process of the present utility model is:
Lower thrust washer 9 is arranged on turbine shaft assembly 4, coordinate with the end face of axle, thrust bearing spacer block 8 is arranged on turbine shaft assembly 4, coordinate with the end face of lower thrust washer 9, then thrust bearing 11 is installed, then is installed thrust washer 7, the end face of upper thrust washer 7 coordinates with the end face of thrust bearing spacer block 8, wherein thrust bearing 11 is arranged between thrust washer 7 and lower thrust washer 9, the thrust load that can effectively carry whole rotor-support-foundation system.
The two sides of described thrust bearing 11 has processed oil film wedge face, the motion that rotarily drives lubricant oil of thrust bearing 11, and finally form effective oil film, avoid, between thrust bearing 11 and two thrust washers, dry friction occurs.On the Baltimore groove of thrust bearing 11 peripheries, be processed with radially oil inlet hole, on oil film wedge face, be processed with axial fuel inlet hole, for giving thrust bearing 11 oil film wedge face fuel feeding.In the groove of thrust bearing 11 both ends of the surface, be processed with the spill port staggering with axial fuel inlet hole, for oil return.
Thrust plate 5 is installed, end face coordinates with the end face of intermediate 3, thrust plate 5 end faces are processed with oil-return groove, form oil back chamber with the end face groove fit of thrust bearing 11, because be processed with the spill port staggering with axial fuel inlet hole on thrust bearing 11, so the lubricant oil in oil pocket can pass through this hole oil extraction.
On the end face of intermediate 3, be processed with oblique oil outlet, the oil flowing out from the spill port of thrust bearing 11 processing from then on hole is discharged to the oil outlet of intermediate 3.
On intermediate 3, be processed with inclined hole oil outlet, so not only the oil of oil outlet can be discharged formation oil circuit thus, and has controlled fuel-displaced direction and position, the maximized Leakage of having avoided lubricant oil runner backboard 2 to form around.
The utility model has changed the way that in traditional product, both sides disperse oil return, makes thrust bearing 11 lubricant oil in the space of a sealing, concentrate oil extraction accurately, can not flow to or be splashed to backboard 2 because of oil and form pressurized machine oil leakage phenomenon around.
As shown in Figure 7, in most widely used general and modal full floating bearing in turbosupercharger, the practical application oil circuit figure of the thrust bearing of the utility model oil-leakage-prevention, now 11 transmitting torques of thrust bearing, and do not bear any counter-force and moment of flexure.
As shown in Figure 8, in most widely used general and modal semifloating bearing in turbosupercharger, the practical application oil circuit figure of the thrust bearing of the utility model oil-leakage-prevention, now both transmitting torques of thrust bearing 11, bear again counter-force and moment of flexure.
The beneficial effect of the utility model leak-stopping formula thrust bearing is:
Can change the way that in traditional product, both sides disperse oil return, make the lubricant oil of thrust bearing 11 in the space of a sealing, concentrate oil extraction accurately, can not flow to or be splashed to backboard 2 because of oil and form pressurized machine oil leakage phenomenon around.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a leak-stopping formula thrust bearing, it is characterized in that, comprise: be located at the backboard on turbine shaft assembly, thrust plate, upper thrust washer, thrust bearing and lower thrust washer, thrust bearing is arranged between thrust washer and lower thrust washer, backboard and thrust plate by screw fastening on intermediate, the cylindrical Baltimore groove of described thrust bearing is provided with radially oil inlet hole, the oil film wedge face of both ends of the surface is provided with axial fuel inlet hole, in the groove of both ends of the surface, be provided with the spill port staggering with axial fuel inlet hole, the end face groove fit that the end face of described thrust plate is provided with oil-return groove and thrust bearing forms oil back chamber, the end face of described intermediate is provided with oblique oil outlet.
2. leak-stopping formula thrust bearing according to claim 1, is characterized in that, is also provided with one for separating the thrust bearing spacer block of turbine shaft assembly and thrust bearing on described turbine shaft assembly.
3. leak-stopping formula thrust bearing according to claim 2, is characterized in that, the both ends of the surface of described thrust bearing spacer block cooperatively interact with the end face of upper thrust washer and lower thrust washer respectively.
4. leak-stopping formula thrust bearing according to claim 1, is characterized in that, on described turbine shaft assembly, is also provided with floating bearing, and floating bearing is arranged on the side near lower thrust washer.
5. leak-stopping formula thrust bearing according to claim 1, is characterized in that, described thrust plate is arranged on the side of turbine shaft assembly near upper thrust washer, and the end face of thrust plate coordinates with intermediate end face.
6. leak-stopping formula thrust bearing according to claim 1, is characterized in that, on described turbine shaft assembly, is also provided with a thrust ring, and thrust ring is arranged between intermediate and upper thrust washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320877752.7U CN203743193U (en) | 2013-12-30 | 2013-12-30 | Leakage stopping type thrust bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320877752.7U CN203743193U (en) | 2013-12-30 | 2013-12-30 | Leakage stopping type thrust bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203743193U true CN203743193U (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320877752.7U Expired - Fee Related CN203743193U (en) | 2013-12-30 | 2013-12-30 | Leakage stopping type thrust bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203743193U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727124A (en) * | 2013-12-30 | 2014-04-16 | 汉美综合科技（常州）有限公司 | Leakage-stopping thrust bearing |
| CN107327475A (en) * | 2017-07-13 | 2017-11-07 | 北京航空航天大学 | A kind of floating type thrust bearing of damping greatly of anti-high pulsation |
| CN108700112A (en) * | 2016-03-01 | 2018-10-23 | 三菱重工发动机和增压器株式会社 | Bearing arrangement and exhaust-driven turbo-charger exhaust-gas turbo charger |
| CN111306144A (en) * | 2020-03-11 | 2020-06-19 | 秦皇岛卓飞科技有限公司 | Automatic-balancing-clearance friction-free rotary axial oil distribution chuck |
-
2013
- 2013-12-30 CN CN201320877752.7U patent/CN203743193U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727124A (en) * | 2013-12-30 | 2014-04-16 | 汉美综合科技（常州）有限公司 | Leakage-stopping thrust bearing |
| CN108700112A (en) * | 2016-03-01 | 2018-10-23 | 三菱重工发动机和增压器株式会社 | Bearing arrangement and exhaust-driven turbo-charger exhaust-gas turbo charger |
| CN107327475A (en) * | 2017-07-13 | 2017-11-07 | 北京航空航天大学 | A kind of floating type thrust bearing of damping greatly of anti-high pulsation |
| CN107327475B (en) * | 2017-07-13 | 2019-08-09 | 北京航空航天大学 | A kind of floating type thrust bearing of damping greatly of anti-high pulsation |
| CN111306144A (en) * | 2020-03-11 | 2020-06-19 | 秦皇岛卓飞科技有限公司 | Automatic-balancing-clearance friction-free rotary axial oil distribution chuck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20171230 |