CN105257814B - Reductor helical gear combination bearing - Google Patents
Reductor helical gear combination bearing Download PDFInfo
- Publication number
- CN105257814B CN105257814B CN201510794446.0A CN201510794446A CN105257814B CN 105257814 B CN105257814 B CN 105257814B CN 201510794446 A CN201510794446 A CN 201510794446A CN 105257814 B CN105257814 B CN 105257814B
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- CN
- China
- Prior art keywords
- helical gear
- raceway
- retainer
- needle roller
- retainer component
- 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
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a kind of reductor helical gear combination bearing, including：Helical gear main shaft, steel ball and retainer component, outer ring, first needle roller and retainer component, second needle roller and retainer component and sleeve, the helical gear main shaft includes the first raceway successively from front to back, helical gear, second raceway and the 3rd raceway, steel ball and the retainer component is arranged in the first raceway, and the outer ring is arranged on helical gear main shaft by steel ball and retainer component, first needle roller and retainer component are arranged in the second raceway, second needle roller and retainer component are arranged in the 3rd raceway, and the sleeve is arranged on helical gear main shaft by the first needle roller and retainer component and the second needle roller and retainer component.By the above-mentioned means, the present invention is compact-sized, the type and weight of supporting reductor can be reduced, while improve the bearing capacity of combination bearing, and larger moment of torsion can be born.
Description
Technical field
The present invention relates to technical field of bearings, more particularly to a kind of reductor helical gear combination bearing.
Background technology
Reductor is a kind of relatively accurate machinery, and the purpose using it is to reduce rotating speed, increases torque.Reductor is one
Kind is driven formed individual components by the gear drive, worm-drive, pinion-endless screw being enclosed in stiff case, is commonly used for
Speed reduction gearing between driving link and working machine.Matching rotating speed and biography are played between prime mover and working machine or executing agency
Pass the effect of torque.
Being influenceed by self-contained bearing difficulty of processing is high, existing reductor type is big, volume is heavy, internal structure is complicated,
It is not steady enough in the process of running and the bearing capacity of bearing is low, easy to wear, service life is low.
The content of the invention
The present invention solves the technical problem of provide a kind of reductor helical gear combination bearing, compact-sized, energy
Enough reduce the type and weight of supporting reductor, while improve the bearing capacity of combination bearing, strengthen its wearability and high temperature resistant
Performance, increase the service life, and larger moment of torsion can be born, operated steadily.
In order to solve the above technical problems, one aspect of the present invention is：A kind of reductor helical gear is provided
Combination bearing, including：Helical gear main shaft, steel ball and retainer component, outer ring, the first needle roller and retainer component, the second needle roller
And retainer component and sleeve, the helical gear main shaft include the first raceway, helical gear, the second raceway and the successively from front to back
Three raceways, steel ball and the retainer component is arranged in first raceway, and the outer ring passes through the steel ball and holding
Frame component is arranged on the helical gear main shaft, and first needle roller and retainer component are arranged in second raceway, institute
State the second needle roller and retainer component is arranged in the 3rd raceway, and the sleeve passes through first needle roller and retainer
Component and second needle roller and retainer component are arranged on the helical gear main shaft.
In a preferred embodiment of the present invention, first raceway is ball-track, second raceway and the 3rd rolling
Road is straight line raceway.
In a preferred embodiment of the present invention, the retainer in steel ball and the retainer component is glass fiber reinforcement
Type retainer.
In a preferred embodiment of the present invention, the retainer in first needle roller and retainer component keeps for brass
Frame.
In a preferred embodiment of the present invention, the retainer in second needle roller and retainer component keeps for punching press
Frame.
In a preferred embodiment of the present invention, the outside diameter of the outer ring and the helical gear outside diameter phase
Deng.
In a preferred embodiment of the present invention, the outside diameter of the sleeve is less than the helical gear outside diameter.
In a preferred embodiment of the present invention, the helical gear main shaft inner hollow, and in the helical gear main shaft
Contain a keyway in front end.
The beneficial effects of the invention are as follows：By synthesizing a set of ball bearing and a set of double needle roller axles on a helical gear main shaft
Hold so that combination bearing it is compact-sized, the type of supporting reductor can be reduced, mitigate the weight of supporting reductor, and adopted
With two sets of needle rollers and retainer component with certain spacing so that the bearing capacity of combination bearing is high, can bear larger
Moment of torsion, operate steadily, while enhance the wearability and resistance to elevated temperatures of combination bearing, extend service life.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the preferred embodiment of reductor helical gear combination bearing one of the present invention；
The mark of each part is as follows in accompanying drawing：1st, helical gear main shaft, the 11, first raceway, the 12, helical gear, 13, second rolling
Road, the 14, the 3rd raceway, 15, keyway, 2, steel ball and retainer component, 3, outer ring, the 4, first needle roller and retainer component, 5,
Two needle rollers and retainer component, 6, sleeve.
Embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
Referring to Fig. 1, the embodiment of the present invention includes：
A kind of reductor helical gear combination bearing, including：Helical gear main shaft 1, steel ball and retainer component 2, outer ring 3,
First needle roller and retainer component 4, the second needle roller and retainer component 5 and sleeve 6.
Wherein, the helical gear main shaft 1 includes the first raceway 11, helical gear 12, the and of the second raceway 13 successively from front to back
3rd raceway 14.
First raceway 11 is ball-track, and steel ball and the retainer component 2 is arranged in first raceway 11,
And the outer ring 3 is arranged on the helical gear main shaft 1 by the steel ball and retainer component 2, the steel ball and retainer
Component 2, outer ring 3 and helical gear main shaft 1 form a set of ball bearing.
The raceway 14 of second raceway 13 and the 3rd is straight line raceway, and second raceway 13 and the 3rd raceway 14
Between contain certain spacing, first needle roller and retainer component 4 are arranged in second raceway 13, second rolling
Pin and retainer component 5 are arranged in the 3rd raceway 14, and the sleeve 6 passes through first needle roller and retainer component
4 and second needle roller and retainer component 5 be arranged on the helical gear main shaft 1, first needle roller and retainer component
4th, the second needle roller and retainer component 5, sleeve 6 and helical gear main shaft 1 form a set of double needle bearings.
Retainer in steel ball and the retainer component 2 is glass-fiber reinforced retainer, specially glass fibre
Reinforced nylon retainer, strong degree are high, are not easy to fall apart, and high temperature resistant, anticorrosive.
Retainer in first needle roller and retainer component 4 is brass retainer, specially brass solid cage,
Greasy property is good.
Retainer in second needle roller and retainer component 5 is pressing cage, there is higher intensity, can reduce and rub
Wipe and wear.
The outside diameter of the outer ring 3 is equal with the outside diameter of the helical gear 12.
The outside diameter of the sleeve 6 is less than the outside diameter of the helical gear 12.
The inner hollow of helical gear main shaft 1, and contain a keyway 15 in the front end of the helical gear main shaft 1, for pacifying
Dress.
The machining accuracy of the reductor helical gear combination bearing reaches P4 levels.
It is a set of by being synthesized on a helical gear main shaft present invention is disclosed a kind of reductor helical gear combination bearing
Ball bearing and a set of double needle bearings so that combination bearing it is compact-sized, the type of supporting reductor can be reduced, mitigation is matched somebody with somebody
The weight of reductor is covered, and using two sets of needle rollers and retainer component with certain spacing so that the carrying of combination bearing
Ability is high, can bear larger moment of torsion, operate steadily, while enhances the wearability and resistance to elevated temperatures of combination bearing, prolongs
Service life is grown.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (7)
- A kind of 1. reductor helical gear combination bearing, it is characterised in that including：Helical gear main shaft, steel ball and retainer component, Outer ring, the first needle roller and retainer component, the second needle roller and retainer component and sleeve, wherein, the helical gear main shaft is in the past Include the first raceway, helical gear, the second raceway and the 3rd raceway successively backward；First raceway is ball-track, and steel ball and the retainer component is arranged in first raceway, and described outer Circle is arranged on the helical gear main shaft by the steel ball and retainer component, steel ball and the retainer component, outer ring and Helical gear main shaft forms a set of ball bearing；Second raceway and the 3rd raceway are straight line raceway, and containing certain between second raceway and the 3rd raceway Spacing, first needle roller and retainer component be arranged on second raceway in, second needle roller and retainer component In the 3rd raceway, and the sleeve passes through first needle roller and retainer component and second needle roller and guarantor Frame component is held on the helical gear main shaft, first needle roller and retainer component, the second needle roller and retainer component, Sleeve and helical gear main shaft form a set of double needle bearings.
- 2. the reductor helical gear combination bearing according to claim 1, it is characterised in that the steel ball and retainer Retainer in component is glass-fiber reinforced retainer.
- 3. the reductor helical gear combination bearing according to claim 1, it is characterised in that first needle roller and guarantor It is brass retainer to hold the retainer in frame component.
- 4. the reductor helical gear combination bearing according to claim 1, it is characterised in that second needle roller and guarantor It is pressing cage to hold the retainer in frame component.
- 5. the reductor helical gear combination bearing according to claim 1, it is characterised in that the outer ring it is cylindrical straight Footpath is equal with the helical gear outside diameter.
- 6. the reductor helical gear combination bearing according to claim 1, it is characterised in that the sleeve it is cylindrical straight Footpath is less than the helical gear outside diameter.
- 7. the reductor helical gear combination bearing according to claim 1, it is characterised in that in the helical gear main shaft Portion is hollow, and contains a keyway in the front end of the helical gear main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510794446.0A CN105257814B (en) | 2015-11-18 | 2015-11-18 | Reductor helical gear combination bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510794446.0A CN105257814B (en) | 2015-11-18 | 2015-11-18 | Reductor helical gear combination bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105257814A CN105257814A (en) | 2016-01-20 |
| CN105257814B true CN105257814B (en) | 2018-01-09 |
Family
ID=55097644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510794446.0A Active CN105257814B (en) | 2015-11-18 | 2015-11-18 | Reductor helical gear combination bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105257814B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002340144A (en) * | 2001-05-11 | 2002-11-27 | Koyo Seiko Co Ltd | Pulley unit |
| CN201110313Y (en) * | 2007-09-30 | 2008-09-03 | 南通五洲机械制造有限公司 | Composite bearing for roller of cotton drill |
| CN203265799U (en) * | 2013-04-15 | 2013-11-06 | 佛山市南海珠江减速机有限公司 | Improved rack machining device of horizontal milling machine |
| CN204035579U (en) * | 2014-07-09 | 2014-12-24 | 昆明云内动力股份有限公司 | A kind of General Main axle box of building-block machine |
| CN204153104U (en) * | 2014-10-17 | 2015-02-11 | 株洲高精传动技术有限公司 | A kind of deboost axle transmission device |
| CN204253751U (en) * | 2014-12-02 | 2015-04-08 | 綦江永跃齿轮有限公司 | A kind of Two-stage Planet Gear Reducer |
| CN205207599U (en) * | 2015-11-18 | 2016-05-04 | 常熟长城轴承有限公司 | Helical gear combination bearing for speed reducer |
-
2015
- 2015-11-18 CN CN201510794446.0A patent/CN105257814B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105257814A (en) | 2016-01-20 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 30, Suzhou Road, Changshu City, Suzhou City, Jiangsu Province 215500 Patentee after: Suzhou Great Wall Precision Technology Co.,Ltd. Address before: No. 30, Suzhou Road, Changshu City, Suzhou City, Jiangsu Province 215500 Patentee before: CSC Bearing Co.,Ltd. |