CN104747694B - Driving bevel gear support bearing unit - Google Patents
Driving bevel gear support bearing unit Download PDFInfo
- Publication number
- CN104747694B CN104747694B CN201310740710.3A CN201310740710A CN104747694B CN 104747694 B CN104747694 B CN 104747694B CN 201310740710 A CN201310740710 A CN 201310740710A CN 104747694 B CN104747694 B CN 104747694B
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- China
- Prior art keywords
- roller
- outer ring
- inner ring
- raceway
- face
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/56—Systems consisting of a plurality of bearings with rolling friction in which the rolling bodies of one bearing differ in diameter from those of another
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- General Details Of Gearings (AREA)
- Gear Transmission (AREA)
Abstract
The invention provides a driving bevel gear support bearing unit. The driving bevel gear support bearing unit comprises an outer ring, a first inner ring, a second inner ring, a first roller and a second roller, wherein the first roller is arranged between the first inner ring and the inner wall surface of the outer ring; the second roller is arranged between the second inner ring and the inner wall surface of the outer ring; the first inner ring, the first roller and the outer ring are formed to a first support bearing of a driving bevel gear; and the second inner ring, the second roller and the outer ring are formed to a second support bearing of the driving bevel gear. The support bearing unit of the driving bevel gear combines the two conical roller bearings for supporting the driving bevel gear as a whole, and uses the bearing outer ring as a bearing base, so that the setting of such parts as an adjusting washer and a bearing base is omitted, the assembly process is largely simplified, the cost is reduced, and the bearing support effect on the driving bevel gear is improved.
Description
Technical field
The present invention relates to bearing mechanical technical field, more particularly relates to a kind of bearing unit of support drive bevel gear,
Especially in medium and heavy axle main speed reducer drive bevel gear spring bearing unit.
Background technology
In the drive axle product of existing medium and heavy car, the support of drive bevel gear is by two taper roll bearing realities
Existing, as shown in Figure 1, drive bevel gear 003 is only by upper taper roll bearing 004 and lower taper roll bearing 005 two
Vertical bearing is supported, and upper taper roll bearing 004 and lower taper roll bearing 005 are arranged on by bearing block 002 and subtract shell
On assembly 001, the pretightning force of upper taper roll bearing 004 and lower taper roll bearing 005 is by adjusting adjust pad 006 come real
Existing.Drive bevel gear of the various vehicles especially in medium and heavy car drive axle is all to carry out in this way in prior art
Support, this supporting way of drive bevel gear has following defect：Upper taper roll bearing and lower taper roll bearing are logical
Cross bearing block and be arranged on and subtract in housing assy, this causes the process for machining level requirement to bearing block higher, and is difficult in practice
Ensure two degree of firmly installing of the bearing on bearing block, adjust bearing pre-fastening additionally by pad so that the bad control of process
System, causes that assembly technology complexity is higher, also zero involved by this drive bevel gear supporting way of prior art
Variety of components quantity is more, and assembly difficulty is increased to a certain extent, maintenance failure rate is improve.
The content of the invention
The present invention is based on above-mentioned prior art problem, a kind of brand-new active conical tooth wheel support bearing list of proposition of innovation
Unit, the active conical tooth wheel support bearing unit by support drive bevel gear two taper roll bearings be integrated, while
By the use of bearing outer ring as bearing block, so as to eliminate the setting of the parts such as adjust pad, bearing block, assembler is enormously simplify
Skill, reduces cost, while improve the bearings effect to drive bevel gear.
The technical scheme that present invention solution above-mentioned technical problem is taken is as follows：
A kind of active conical tooth wheel support bearing unit, including outer ring, the first inner ring, the second inner ring, the first roller and second
Roller, first roller is arranged between first inner ring and the internal face of outer ring, and second roller is arranged at described
Between second inner ring and the internal face of outer ring, first inner ring, the first roller and outer ring constitute first of drive bevel gear
Support bearing, second inner ring, the second roller and outer ring constitute the second spring bearing of drive bevel gear.
Further according to active conical tooth wheel support bearing unit of the present invention, wherein first roller and second
Roller is the outside wall surface of taper roller, first inner ring and the second inner ring and is provided with raceway, the internal face of the outer ring
On be provided with the first raceway and the second raceway, first roller is arranged at the raceway and outer ring internal face of the first inner ring outside wall surface
On the first raceway between, second roller be arranged on the raceway and outer ring internal face of the second inner ring outside wall surface second rolling
Between road.
Further according to active conical tooth wheel support bearing unit of the present invention, wherein in the internal face of the outer ring
Portion is the face of cylinder, and the both sides up and down on face of cylinder difference is outward-dipping to form first raceway and the second raceway, described the
The internal face of one inner ring and the second inner ring is the face of cylinder, and the raceway on first inner ring and the second inner ring outside wall surface is obliquely installed
And respectively in the face of first raceway and the second raceway.
Further according to active conical tooth wheel support bearing unit of the present invention, wherein oil baffle disc is also included, institute
The internal face that oil baffle disc is stated installed in outer ring is in the part between the first roller and the second roller.
It is further according to active conical tooth wheel support bearing unit of the present invention, wherein be machined with the outer ring into
Oil duct and back oil road.
Further according to active conical tooth wheel support bearing unit of the present invention, wherein the back oil road includes first
Back oil road and the second back oil road, the oil input channel and the second back oil road are oppositely disposed in the outer ring in the first roller and second
On part between roller, first back oil road is arranged on part of the outer ring outside the first roller.
Further according to active conical tooth wheel support bearing unit of the present invention, wherein the oil input channel is from outer ring
The face of cylinder in the middle part of inwall through channel horizontal-extending from inside to outside, first back oil road is outside from outer ring inwall top
Inclined through channel, second back oil road is that the face of cylinder from the middle part of the inwall of outer ring is radially horizontal-extending from inside to outside
Through channel and position are located on the internal face of outer ring less than the oil input channel being oppositely arranged, and the oil input channel and the second back oil road
Oil baffle disc both sides.
Further according to active conical tooth wheel support bearing unit of the present invention, wherein the outer wall top of the outer ring
Outwards installation bearing block integrally it has been provided projectingly.
Further according to active conical tooth wheel support bearing unit of the present invention, wherein the installation axle bearing has
Petal-shaped, and it is provided with installation screw on each petal.
Further according to active conical tooth wheel support bearing unit of the present invention, wherein the flower of the installation axle bearing
The arc gap for assembly alignment is designed with lobe side end face.
Technical scheme of the present invention at least possesses following innovative characteristicses and technique effect：
1）, the present invention propose a kind of brand-new active conical tooth wheel support bearing unit, by by two taper roll bearings
It is integrated and by the use of bearing outer ring as bearing block, so as to eliminate adjust pad, bearing block in drive bevel gear is supported
Use, without adjusting the pretightning force of bearing again when reducing bearing unit number of parts, and causing assembling, enormously simplify
Assembly technology, reduces production cost；
2）, bearing unit of the present invention by being machined with oil input channel and back oil road in outer ring, to be respectively used to initiative taper
The bearing lubrication that gear upper offset is rotated forward and below-center offset is rotated forward, realizes the integrated of oil input channel and back oil road, and oil channel structure letter
Single, mechanical processing technique is good；
3）, oil baffle disc is arranged on outer ring in bearing unit of the present invention, and bearing unit outer bearing has been effectively ensured
Lubrication；
4）, in order to ensure and subtracting housing assy effectively seal cooperation, the outer loop-shaped by bearing unit of present invention innovation
Petal-shaped is designed to, while for the correct assembling for ensureing bearing block with subtract housing assy, on the end face of outer ring circular arc is designed with
Breach, aligns to complete assembling by this breach and the breach subtracted in housing assy, and while assembly precision is improved dress is simplified
With technique.
Description of the drawings
Accompanying drawing 1 is the bearing support structure schematic diagram of drive bevel gear in prior art.
Accompanying drawing 2 is the main structure diagram of active conical tooth wheel support bearing unit of the present invention.
Accompanying drawing 3 is the outer ring main structure diagram in active conical tooth wheel support bearing unit of the present invention.
Accompanying drawing 4 is overlooking the structure diagram of the accompanying drawing 3 along line B-B section.
The implication of each reference is as follows in figure：
001- subtracts housing assy, 002- bearing blocks, 003- drive bevel gear, the upper taper roll bearings of 004-, circular cone under 005-
Roller bearing, 006- adjust pads.
Taper roller under 1- outer rings, the upper inner rings of 2-, the upper taper rollers of 3-, 4-, 5- oil baffle discs, 6- oil input channels, 7- first time
Inner ring, 10- install bearing block, 11- arc gaps under oil duct, the back oil roads of 8- second, 9-.
Specific embodiment
Technical scheme is described in detail below in conjunction with accompanying drawing, so that those skilled in the art can be more
Plus the solution of the present invention is clearly understood from, but therefore do not limit the scope of the invention.
As shown in Figure 2, the spring bearing unit of drive bevel gear of the present invention include outer ring 1, upper inner ring 2, it is lower in
Circle 9, upper taper roller 3 and lower taper roller 4 and oil baffle disc 5, are preferably made up of these parts.The structure of the outer ring 1 is such as
Shown in accompanying drawing 3 and accompanying drawing 4, overall have a circular ring, and the middle part of the internal face of outer ring 1 is the face of cylinder, the upper and lower both sides in the face of cylinder
Inclined upper raceway and lower raceway are formed respectively.And it is machined with the back oil road 7,8 of oil input channel 6 and first and second on the outer ring 1,
The preferred oil input channel 6 is the face of cylinder from the inwall of outer ring radially through channel horizontal-extending from inside to outside, described
First back oil road 7 is the outward-dipping through channel of upper raceway top edge from the inwall of outer ring, second back oil road 8 be from
Lower raceway top edge in the inwall of outer ring radially through channel horizontal-extending from inside to outside, and the oil input channel 6 and second
Back oil road 8 is distributed near the both sides of outer ring 1, is preferably placed on the horizontal cross-section of outer ring 1 near the two ends of same diameter, and oil-feed
The diametral distance on the both sides in road 6 to outer ring horizontal cross-section can be adjusted, asymmetric with regard to the diameter, the second back oil road
Then with regard to the diameter symmetry on the horizontal cross-section of outer ring, this design structure can be respectively used to drive bevel gear for 8 both sides
The bearing lubrication that upper offset is rotated forward and below-center offset is rotated forward, realizes the highly integrated of oil input channel and back oil road, while oil channel structure is simple
Single, mechanical processing technique is good.The outer wall top of outer ring described further has outwards integrally been provided projectingly installation bearing block 10, described
Install and be provided with some installation screws on bearing block 10, coordinate to ensure and subtracting the effective sealing between housing assy, the installation
The shape global design of bearing block 10 arranges installation screw into petal-shaped on the petal, while in order to ensure bearing list
Unit and the correct assembling for subtracting housing assy, are designed with arc gap 11, such as the institute of accompanying drawing 4 on the petal side end face for installing bearing block 10
Show, this arc gap and the installation gap subtracted in housing assy align assembling.The upper inner ring 2 is overall to have annular shape, its inwall
Face contacts for the face of cylinder and with the outside wall surface of drive bevel gear, and inclined outer raceway is formed with the outside wall surface of upper inner ring 2, described
Upper inner ring 2 is arranged with the outer roller surface in its outside wall surface to the upper raceway mode of the internal face of the outer ring 1, and the inner ring on described
The upper taper roller 3 is provided between 2 outer raceway and the upper raceway of the internal face of outer ring 1.The lower inner ring 9 is overall to have circle
Ring-type, inner wall surface thereof is the face of cylinder and contacts with the outside wall surface of drive bevel gear, is formed with the outside wall surface of lower inner ring 9 inclined
Outer raceway, the lower inner ring 9 is arranged with the outer roller surface in its outside wall surface to the lower raceway mode of the internal face of the outer ring 1, and
The lower taper roller 4 is provided between the outer raceway of the lower inner ring 9 and the lower raceway of the internal face of outer ring 1.Preferred institute
The vertex of a cone for stating taper roller 3 and lower taper roller 4 is relative.The back oil road 8 of the oil input channel 6 and second is oppositely disposed in upper circle
On outer ring position between cone roller 3 and lower taper roller 4.The oil baffle disc 5 is arranged on the internal face of outer ring 1, preferred peace
Loaded on outer ring internal face on the face of cylinder between upper taper roller 3 and lower taper roller 4, so as to bearing unit is effectively ensured
The lubrication of outer bearing.
When being supported to drive bevel gear using bearing unit of the present invention, the upper inner ring 2, upper taper roller 3
The the first taper roll bearing part for supporting drive bevel gear upper offset to rotate forward, the lower inner ring 9, lower circular cone are constituted with outer ring 1
Roller 4 and outer ring 1 constitute the second taper roll bearing part for supporting drive bevel gear below-center offset to rotate forward, upper inner ring 2 and lower interior
Circle 9 is independent to be rotated, and realizes the integrated design of two taper roll bearings, and will by the installation bearing block 10 on outer ring 1
Whole bearing unit is installed on and subtracts in housing assy, realizes the support to drive bevel gear, while eliminating drive bevel gear
The use of independent adjust pad and bearing block, simplifies assembly technology in support.
The above is only and the preferred embodiment of the present invention is described, be not limited to technical scheme
This, any known deformation that those skilled in the art are made on the basis of the major technique design of the present invention belongs to the present invention
Claimed technology category, the specific protection domain of the present invention is defined by the record of claims.
Claims (5)
1. a kind of active conical tooth wheel support bearing unit, it is characterised in that including outer ring, the first inner ring, the second inner ring, the first rolling
Son, the second roller and oil baffle disc, first roller is arranged between first inner ring and the internal face of outer ring, and described second
Roller is arranged between second inner ring and the internal face of outer ring, and first inner ring, the first roller and outer ring are constituted actively
First spring bearing of bevel gear, second inner ring, the second roller and outer ring constitute the second spring bearing of drive bevel gear,
The outside wall surface of first inner ring and the second inner ring is provided with raceway, be provided with the internal face of the outer ring the first raceway and
Second raceway, first roller is arranged between the first raceway on the raceway and outer ring internal face of the first inner ring outside wall surface,
Second roller is arranged between the second raceway on the raceway and outer ring internal face of the second inner ring outside wall surface, the outer ring
Internal face middle part is the face of cylinder, and the difference of both sides up and down on the face of cylinder is outward-dipping to form first raceway and the second rolling
Road, the oil baffle disc is arranged on the internal face of outer ring in the part between the first roller and the second roller, adds on the outer ring
Work has oil input channel and back oil road, and the back oil road includes the first back oil road and the second back oil road, the oil input channel and the second oil return
Road is oppositely disposed on the part in the outer ring between the first roller and the second roller, and first back oil road is arranged at outer
On part of the circle outside the first roller, the oil input channel is that the face of cylinder from the middle part of the inwall of outer ring is horizontal-extending from inside to outside
Through channel, first back oil road is that second back oil road is certainly from the outward-dipping through channel in outer ring inwall top
The face of cylinder in the middle part of the inwall of outer ring radially through channel horizontal-extending from inside to outside and position less than the oil-feed being oppositely arranged
Road, and the oil input channel and the second back oil road are located at the oil baffle disc both sides on the internal face of outer ring.
2. active conical tooth wheel support bearing unit according to claim 1, it is characterised in that first roller and second
It is the face of cylinder that roller is the internal face of taper roller, first inner ring and the second inner ring, in first inner ring and second
Raceway on ring outer wall face is obliquely installed and respectively in the face of first raceway and the second raceway.
3. active conical tooth wheel support bearing unit according to claim 1 and 2, it is characterised in that the outer wall of the outer ring
Top has outwards integrally been provided projectingly installation bearing block.
4. active conical tooth wheel support bearing unit according to claim 3, it is characterised in that the installation bearing block has
Petal-shaped, and it is provided with installation screw on each petal.
5. active conical tooth wheel support bearing unit according to claim 4, it is characterised in that the flower of the installation bearing block
The arc gap for assembly alignment is designed with lobe side end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310740710.3A CN104747694B (en) | 2013-12-27 | 2013-12-27 | Driving bevel gear support bearing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310740710.3A CN104747694B (en) | 2013-12-27 | 2013-12-27 | Driving bevel gear support bearing unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104747694A CN104747694A (en) | 2015-07-01 |
| CN104747694B true CN104747694B (en) | 2017-05-17 |
Family
ID=53587806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310740710.3A Active CN104747694B (en) | 2013-12-27 | 2013-12-27 | Driving bevel gear support bearing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104747694B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321656A (en) * | 2016-08-31 | 2017-01-11 | 苏州哥特机械有限公司 | Agricultural machine wheel hub unit |
| CN107061739A (en) * | 2017-03-09 | 2017-08-18 | 湖北车桥有限公司 | A kind of main tooth oil enveloping structure of rear axle reductor assembly |
| CN107605955A (en) * | 2017-10-24 | 2018-01-19 | 无锡民联汽车零部件有限公司 | Lubricating oil evenly distributes profile shaft and held |
| CN108317177A (en) * | 2018-04-13 | 2018-07-24 | 无锡民联汽车零部件有限公司 | Automobile bearing with automatic detection and lubricating oil dispensing function |
| CN108331842A (en) * | 2018-04-13 | 2018-07-27 | 无锡民联汽车零部件有限公司 | Can oiling cleaning inside automobile bearing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4824264A (en) * | 1987-02-21 | 1989-04-25 | Dr. Ing. H.C.F. Porsche Aktiengesellschaft | Bearing of an axle drive bevel pinion |
| DE19961712A1 (en) * | 1999-12-21 | 2001-07-12 | Daimler Chrysler Ag | Multirow roller bearing has inner and/or outer rings which have recesses and hook-shaped sections which fit into each other with axial play |
| CN2607465Y (en) * | 2003-04-02 | 2004-03-24 | 洛阳轴承集团有限公司 | Double-row reducing conic rolling bearing |
| CN2625638Y (en) * | 2003-05-15 | 2004-07-14 | 西北轴承股份有限公司 | Seal biserial conical roller bearing with novel structure |
| CN200982345Y (en) * | 2006-07-31 | 2007-11-28 | 韶关东南轴承有限公司 | Double row conical roller hub bearing with outer rim flange |
| JP2008020017A (en) * | 2006-07-14 | 2008-01-31 | Ntn Corp | Bearing device for wheel |
-
2013
- 2013-12-27 CN CN201310740710.3A patent/CN104747694B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4824264A (en) * | 1987-02-21 | 1989-04-25 | Dr. Ing. H.C.F. Porsche Aktiengesellschaft | Bearing of an axle drive bevel pinion |
| DE19961712A1 (en) * | 1999-12-21 | 2001-07-12 | Daimler Chrysler Ag | Multirow roller bearing has inner and/or outer rings which have recesses and hook-shaped sections which fit into each other with axial play |
| CN2607465Y (en) * | 2003-04-02 | 2004-03-24 | 洛阳轴承集团有限公司 | Double-row reducing conic rolling bearing |
| CN2625638Y (en) * | 2003-05-15 | 2004-07-14 | 西北轴承股份有限公司 | Seal biserial conical roller bearing with novel structure |
| JP2008020017A (en) * | 2006-07-14 | 2008-01-31 | Ntn Corp | Bearing device for wheel |
| CN200982345Y (en) * | 2006-07-31 | 2007-11-28 | 韶关东南轴承有限公司 | Double row conical roller hub bearing with outer rim flange |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104747694A (en) | 2015-07-01 |
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