CN204437062U - Integrated type floating bearing and wholly floating turbosupercharger - Google Patents
Integrated type floating bearing and wholly floating turbosupercharger Download PDFInfo
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- CN204437062U CN204437062U CN201420872341.3U CN201420872341U CN204437062U CN 204437062 U CN204437062 U CN 204437062U CN 201420872341 U CN201420872341 U CN 201420872341U CN 204437062 U CN204437062 U CN 204437062U
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- shaft assembly
- bearing
- turbine shaft
- floating bearing
- floating
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- Sliding-Contact Bearings (AREA)
Abstract
The utility model provides integrated type floating bearing and wholly floating turbosupercharger, integrated type floating bearing is wherein integral sleeve structure, its two end portions is the dynamic matching surface that suspends with turbine shaft assembly axle surface, intermediate bearing saddle bore sea surface oil slick, and its central segment body is provided with relative to cavity oily in turbine shaft assembly and the outer oily cavity relative to intermediate axis hole.A kind of wholly floating turbosupercharger is additionally provided based on described integrated type floating bearing.Oil film can be kept between the component of the technical program lastingly freely to suspend dynamic mated condition, have that applicable various vehicle operating condition scope is wide, the simple technological merit of long service life, structure.
Description
Technical field
The utility model relates to automobile turbo-supercharger and floating bearing wherein.
Background technique
Floating bearing of turbo-charger, it is axially between the turbine shaft assembly shaft shoulder and thrust plate, and it is radial, turbine shaft assembly is stablized in intermediate central shaft hole, flexibly axial rotation coordinate supporting.Turbosupercharger ideal operation state is: the internal clearance of the external series gap between floating bearing and intermediate axis hole, floating bearing and turbine shaft assembly, all there is good lubricant film, namely turbine shaft assembly, form oil film between floating bearing and intermediate three and freely to suspend the dynamic mated condition of running.In the structure of turbosupercharger, floating bearing is the two split type floating bearing assembly of fulcrum of left and right sides.When meeting radial load, very large angular deflection can be produced, and thing followed shock loads, cause floating bearing cylindrical and the endoporus preferential wear of turbine end, especially in experience motor frequent starting, the change of Operation Conditions discontinuity, or during the continuous change such as sudden load increase or anticlimax operating mode, the radial load transfer of turbine shaft assembly is to split type floating bearing, the middle degree of wear that runs up moment sharp deterioration, within the of short duration time, cause supercharger integrated scrapping, Motor Vehicle also cannot run.
Summary of the invention
The axial deflection produced when goal of the invention of the present utility model is effectively to suppress radial load to load and vibrations, motor frequent starting, Operation Conditions discontinuity is avoided to change, or sudden load increase or anticlimax etc. constantly change operating mode time, destroy turbine shaft assembly, oil film between floating bearing and intermediate three freely suspend the integrated type floating bearing and wholly floating turbosupercharger that operate and move mated condition.
The integrated type floating bearing technological scheme that the utility model provides, its main technical content is: a kind of integrated type floating bearing, floating bearing is integral sleeve structure, the bore area of its axial two end portions, outer round surface is and turbine shaft assembly axle surface respectively, the oil film on intermediate bearing saddle bore surface suspends and moves matching surface, axial two end portions is equipped with and the end oilhole being communicated with lubricating oil system, central segment body between the axial two end portions of floating bearing, be provided with relative to cavity oily in turbine shaft assembly, with the outer oily cavity relative to intermediate axis hole, central authorities' segment body is provided with in connection, the middle part oilhole of outer oily cavity.
The wholly floating turbosupercharger that the utility model provides, its main technical content is: a kind of wholly floating turbosupercharger, be set on turbine shaft assembly based on above-mentioned all-in-one-piece floating bearing, in intermediate bearing saddle bore between the shaft shoulder being jointly assemblied in thrust button and turbine shaft assembly, the outer round surface of the two end portions of all-in-one-piece floating bearing and bore area respectively with intermediate bearing saddle bore and turbine shaft assembly axle surface is formed oil film freely suspend operate move matching gap, outer oil cavity is formed between the outer oily cavity of all-in-one-piece floating bearing and intermediate bearing saddle bore, oil pocket in being formed between the interior oily cavity that integral float shaft holds and turbine shaft assembly surface.
The technological scheme that the utility model provides, the existing pair of split type floating bearing of fulcrum is replaced by novel integrated type floating bearing, the internal run-through matching gap comprising interior oil pocket between bearing and turbine shaft assembly, the through matching gap in the outside comprising outer oil cavity between bearing and intermediate, in whirlpool arbor wheel assembly runs up, order about lubricant oil produces stable between three, the dynamically balanced dynamic mated condition that freely suspends of fluid, thus the deflection that effectively inhibit radial load to cause and the vibrations of thing followed load, in dynamic matching gap, implement better cooling action simultaneously, both the operating mode of the very fast change of experience outer had been made, also oil film can be kept between this novel turbocharger internals lastingly freely to suspend and to move mated condition, there is applicable various vehicle operating condition scope wide, the technological merit of long service life.In addition, the technical program enormously simplify the package assembly of the existing pair of split type floating bearing of fulcrum, and eliminate the circlip groove processing structure comprised on four floating back-up rings and intermediate bearing saddle bore, assembly cost reduces greatly.
Accompanying drawing explanation
Fig. 1 is the sectional structure chart of integrated type floating bearing.
Fig. 2 is the general assembly sectional structure chart of wholly floating turbosupercharger.
Embodiment
Integrated type floating bearing disclosed in the utility model, floating bearing 1 is integral sleeve structure, as shown in Figure 1, the bore area C of its axial two end portions, D, outer round surface A, B is and turbine shaft assembly 2 axle surface respectively, the oil film on the bearing saddle bore surface of intermediate 3 suspends and moves matching surface, axial two end portions is equipped with and the end oilhole 10 being communicated with lubricating oil system, central segment body 14 between the axial two end portions of floating bearing 1, be provided with relative to cavity 12 oily in turbine shaft assembly 2, with the outer oily cavity 11 relative to intermediate 3 bearing saddle bore, central authorities' segment body 14 is provided with in connection, outer oily cavity 12, the middle part oilhole 13 of 11.
Wholly floating turbosupercharger disclosed in the utility model, its structure as shown in Figure 2, be set on turbine shaft assembly 2 based on above-mentioned all-in-one-piece floating bearing 1, between thrust button 4 and the shaft shoulder 5 of turbine shaft assembly, be jointly assemblied in the bearing saddle bore 31 of intermediate 3.Outer round surface A, B of the two end portions of all-in-one-piece floating bearing 1 and bore area C, D form oil film respectively and freely suspend to operate and move matching gap with the bearing saddle bore 31 of intermediate 3 and turbine shaft assembly 2 axle surface, on every one end body of two end portions, circumferential running through is provided with 8 end oilholes 10 communicated with intermediate lubricant pipe, thus strengthens the suspension effect of lubrication pressure dynamic cooperation position herein.Outer oil cavity 30 is formed between the outer oily cavity 11 of integrated type floating bearing 1 and the bearing saddle bore 31 of intermediate 3, oil pocket 20 in being formed between the interior oily cavity 12 of all-in-one-piece floating bearing 1 and turbine shaft assembly 2 surface, middle part oilhole 13 is communicated with interior oil pocket 20 and outer oil cavity 30, when turbine shaft assembly 2 runs up, for turbine shaft assembly 2 provides more balanced fluid dynamic balancing effect.
Claims (2)
1. an integrated type floating bearing, floating bearing is integral sleeve structure, it is characterized in that the bore area (C of its axial two end portions, D), outer round surface (A, B) be respectively and turbine shaft assembly (2) axle surface, the oil film on intermediate (3) bearing saddle bore surface suspends and moves matching surface, axial two end portions is equipped with and the end oilhole (10) being communicated with lubricating oil system, central segment body (14) between the axial two end portions of floating bearing, be provided with the interior oily cavity (12) relative to turbine shaft assembly (2), with the outer oily cavity (11) relative to intermediate axis hole, central authorities' segment body is provided with in connection, the middle part oilhole (13) of outer oily cavity.
2. a wholly floating turbosupercharger, it is characterized in that being set on turbine shaft assembly (2) based on the all-in-one-piece floating bearing (1) of claim 1, in intermediate bearing saddle bore (31) between the shaft shoulder (5) being jointly assemblied in thrust button (4) and turbine shaft assembly (2), outer round surface (the A of the two end portions of all-in-one-piece floating bearing (1), and bore area (C B), D) respectively with intermediate bearing saddle bore (31) and turbine shaft assembly (2) axle surface is formed oil film freely suspend operate move matching gap, outer oil cavity (30) is formed between the outer oily cavity (11) of all-in-one-piece floating bearing and intermediate bearing saddle bore, oil pocket (20) in being formed between the interior oily cavity (12) that integral float shaft holds and turbine shaft assembly surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420872341.3U CN204437062U (en) | 2014-12-31 | 2014-12-31 | Integrated type floating bearing and wholly floating turbosupercharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420872341.3U CN204437062U (en) | 2014-12-31 | 2014-12-31 | Integrated type floating bearing and wholly floating turbosupercharger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204437062U true CN204437062U (en) | 2015-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420872341.3U Active CN204437062U (en) | 2014-12-31 | 2014-12-31 | Integrated type floating bearing and wholly floating turbosupercharger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204437062U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022217841A1 (en) * | 2021-04-12 | 2022-10-20 | 湖南天雁机械有限责任公司 | Anti-dry friction bearing sleeve, and bearing system comprising same and supercharger comprising same |
-
2014
- 2014-12-31 CN CN201420872341.3U patent/CN204437062U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022217841A1 (en) * | 2021-04-12 | 2022-10-20 | 湖南天雁机械有限责任公司 | Anti-dry friction bearing sleeve, and bearing system comprising same and supercharger comprising same |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |