CN102996772B - The K series reduction of bearing grease lubrication SEW - Google Patents
The K series reduction of bearing grease lubrication SEW Download PDFInfo
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- CN102996772B CN102996772B CN201210382851.8A CN201210382851A CN102996772B CN 102996772 B CN102996772 B CN 102996772B CN 201210382851 A CN201210382851 A CN 201210382851A CN 102996772 B CN102996772 B CN 102996772B
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- 238000005461 lubrication Methods 0.000 title claims abstract description 25
- 239000004519 grease Substances 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 125000006850 spacer group Chemical group 0.000 claims abstract description 11
- 239000003638 chemical reducing agent Substances 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 abstract description 13
- 239000012208 gear oil Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 210000004907 gland Anatomy 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000010687 lubricating oil Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 239000000654 additive Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 241001354235 Plagiodontes Species 0.000 description 2
- 238000005276 aerator Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium dioxide Chemical compound O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 235000010446 mineral oil Nutrition 0.000 description 2
- 241001366041 Astronesthes gemmifer Species 0.000 description 1
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000008312 Tooth Loss Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000007866 anti-wear additive Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000015895 biscuits Nutrition 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
Landscapes
- Rolling Contact Bearings (AREA)
- General Details Of Gearings (AREA)
Abstract
The present invention relates to mechanical reduction technical field, a kind of K series reduction of bearing grease lubrication SEW, including support, first from gear, second is main, from bevel gear, 3rd is main, from gear, first is connected in the second master bevel gear axle stretch end from gear, second is connected in the second axle from bevel gear gear and the second master gear, 3rd is connected in output shaft and spacing with back-up ring 13 from gear, it is characterized in that: master bevel gear bearing is bearing in, there is sealing member bearing both sides, second axle sealing bearing is bearing in support cinclides, spacer ring is filled successively after bearing, thrust bearing and little dome, output shaft bearing is bearing in respective aperture, there is sealing member the clutch shaft bearing both sides of axle stretch end, spacer ring is filled successively after the bearing of shaft tail end, thrust bearing and gland.Beneficial effect: use the maximum of the planetary reduction box of rolling bearing bearing grease lubrication, gear gear oil forced feed lubrication to have the technical effect that bearing operation is reliable in casing, thus decelerator length in service life, noise are low.
Description
[technical field]
The present invention relates to mechanical reduction technical field, the K series reduction of a kind of bearing grease lubrication SEW, be that SEW company of Germany R, F, K improve support internal gear oil lubrication, rolling bearing bearing grease lubrication with the big series reduction of S tetra-,.
[background technology]
Moral SEW company R, F, K and the big series reduction of S tetra-, be Now Domestic the widest imitated another type after cycloid speed reducer, spread all over tobacco machine production line, beer production line, mining machinery ....
R series plagiodont wheel reductor is suitable with China coaxial-type cylinder gear speed reducer TZ series (JB/T7000-93)；F series of parallel axis helical teeth wheel reductor is suitable with the S series of YNS series (JB/T7000-93) of Nanjing high gear factory, Tangshan Metallurgical Mine Machinery Factory；K series helix bevel gear reducer is suitable with the YK series circular cone-cylinder gear speed reducer (YB/T050-93) of Nanjing high gear factory, Tangshan Metallurgical Mine Machinery Factory and Zhengzhou Research Institute of Mechanical Engineering；S series plagiodont wheel worm-gear speed reducer is suitable with China's worm reducer (JB/T7935-95,6387-92 and 7008-93).
Therefore, the fault that domestic type occurs, R, F, K series big with S tetra-imitation products also there will be certainly.One fact: K series helix conic reducer fault rate when being applied to rotary-brush type aerator is the highest, Zhejiang leather company sewage farm, the K Series Gear Reducers of aerator adapted Zhejiang ×× reductor company uses less than two months and is broken, changing new being broken the most again, conscientiously check, analyze after tearing machine open, reason is that boring tooth is positioned at highest point, the lubricating oil splashed is difficult to lubricate rolling bearing, making bearing the most thirsty oil, retainer ruptures, and the steel ball being scattered makes again bevel gear snaggletooth.
" decelerator trouble accounts for 40% in coal mine equipment fault.Bearing is the another part being very easy in decelerator damage.Bearing failure form: bearing scratches, bearing is adhered, bearing invades impurity, retainer fracture etc..Reason: in lubricating oil, large granular impurity content is higher, increases the weight of bearing wear degree." " Slope protection of mine speed reducer and processing method "
" bearing wheels tooth surface subjects the stress effect of multi-form everywhere; the flank of tooth and subcutaneous metal may produce fine crack form tired source; stress-number of cycles increases therewith; crackle will constantly extension so that the formation biscuit metal that is connected with each other comes off; the flank of tooth occurs that spot corrosion is peeled off, gear teeth face generation fatigue damage." " Fatigue failure of heavy-duty gear surface and prevention "
(1) basic reason that bearing fault rate is high:
" insufficient lubrication is the main cause causing bearing early damage " (Liu Zejiu " rolling bearing application manual " page 891)
" ... bearing initial failure is frequently not the fatigue rupture that material causes, but after pollutant enter Bearing inner, lubrication lipid gradually degenerates, and produces caused by impression on Structure deformation face." (" Sealing Technology of seal deep groove ball bearing " bearing 2009.05)
Radial ball bearing contact stress σ max=5000Mpa (p. д. " the rolling bearing handbook " of prompt Germania page 134) it is 3-4 times of gear pair σ max=1450Mpa, therefore the cleannes of bearing grease (oily) should be far above the lubricating oil of gear.
Upper page 103 of (a) Shanghai Machinery College " Fundamentals of Machine Design ": " gear drive equipment uses to pull down after a period of time and can find that wear trace occurs in tooth surface; under the conditions of poor in lubrication especially or lubricating oil is impure; wear phenomenon becomes apparent from; wheel root portion relatively top of wearing and tearing is serious, and little gear wear is serious compared with gear wheel again.Abrasion causes with relative slip owing to there being active force between contact surface.... there is relative sliding length Δ S between flank profil, shown that flank profil to be worn and torn.”
B () Zhu Xiaolu " Gear Transmission Design handbook " page 94: in power gear transmission, tooth surface is overheated etc. due to skimming wear, burn into, thus occurs that flank of tooth loss is inevitable；
(c) " maintenance of wind-driven generator group wheel box bearing and maintenance ": " operations staff's boarding has 2mm in finding cleaner2Flakey iron filings and a large amount of metal dust；High speed shaft bearing damage backgear displacement, causes planet carrier flank engagement abnormal and damages.”
(2) bearing grease lubrication (or without additive mineral oil) is required in theory, gear additive lubricating oil:
(a) Liu Zejiu " rolling bearing application manual " page 893: " when the bearing run up or work under high temperature; when grease lubrication cannot be used or when the neighbouring another part (such as gear) of bearing uses oil lubrication, oil lubrication just used by bearing." page 921: " ... the lubrication of rolling bearing is typically with the mineral oil without additive "；
(b) Zhu Xiaolu " Gear Transmission Design handbook " page 1087: be in the gear under boundary lubrication condition, the lubricating oil containing extreme pressure anti-wear additives (additive) should be used.
SH/T0017-1990L-FC Grade A bearing oil kinematic viscosity is 90-100；It is that 288-352 is much smaller than gear oil viscosity.
Conclusion: gear-box, the basic reason that bearing fault rate is high are with gear oil oilgear and rolling bearing simultaneously.
[summary of the invention] provides the K series reduction of the bearing grease lubrication SEW of a kind of bearing grease lubrication, gear gear oil lubrication.
[technical scheme] second master bevel gear axle journal two bearings having spacer ring are bearing in support wall flange endoporus, and two bearing both sides are respectively provided with first and second sealing member, and the second sealing member is placed in the seat being connected in flanged bearing outer end of hole；Second axle two ends seal bearing with first and second respectively and are bearing in the respective aperture of support wall, equipped with the first little dome before first sealing bearing, fill spacer ring, thrust bearing successively and be connected in the little dome of dead eye end face after second sealing bearing, in the first thrust bearing, fill out grease；Output shaft both sides are bearing in the respective aperture of wall with first, second bearing respectively, the clutch shaft bearing both sides of output shaft axle stretch end have the three, the 4th sealing members respectively, 3rd sealing member is placed in the seal receptacle being connected in dead eye outer end, spacer ring, thrust bearing and gland is filled successively after second bearing of output shaft shaft tail end, gland is connected on dead eye end face, fills out grease in first and second bearing and the second thrust bearing；Described sealing bearing is contact radial seal bearing, and such as RK type or RS type or HMS (A) type or MHS (A) type, described sealing member is rotary shaft lip seal or Che Shi combination sealing.
" self seal of bearing is divided into contact and non-contacting seal by version.Radial seal and axial seal can be divided into by contact.Single lip seal and double-lip seal can be divided into by the structure of sealing ring." (Liu Zejiu " rolling bearing application manual " page 593)
Seal the purpose filling end cap before bearing: (a) when sealing bearing for single lip seal structure, then end cap and bearing without in the space of sealing ring side in order to store a certain amount of grease；B () is two-lid sealing structure when sealing bearing, then end cap major function is to ensure that extraneous unfavorable factor such as dust, sand grains etc. enter and seals bearing.The feasibility of grease lubricating bearing is presented below:
1. Ai Siman " rolling bearing design and application manual " page 221: " when compact conformation, it is preferred to use equipped with the radial ball bearing of two face seals.Radial ball bearing equipped with two sides sealing ring has been charged into the grease of the whole useful life of enough bearings.”
2. Bu Yan " practical bearing technology handbook " page 95: " at those compact conformations, axial dimension requirement is little, seal request strict, safeguard repairing difficulty, and inconvenience uses the place of additional seal assemblies, can preferentially select sealing bearing.”
3. Liu Ze nine " rolling bearing application manual " page 593: " seal bearing and both can have an excellent sealing lubricant environment, also save the lubricating system of complexity simultaneously.So at compact conformation, the strict position of seal request, all suggestions use and seal bearing.”
The maximum using the planetary reduction box of rolling bearing bearing grease lubrication, gear gear oil forced feed lubrication in [beneficial effect] casing has the technical effect that bearing operation is reliable, thus decelerator length in service life, noise are low.
[attached have a talk about bright] Fig. 1. it is present configuration schematic diagram
[detailed description of the invention]
With reference to Fig. 1. the K Series Gear Reducers of a kind of bearing grease lubrication SEW, it is connected in the axle stretch end of the second master bevel gear 6 from gear 2 from gear 2, the second master and slave bevel gear 6, the 26, the 3rd master and slave gear 22,14, described first including support 1, first, described second is connected in the second axle 7 from bevel gear gear 26 and the second master gear 22, described 3rd is connected in output shaft 15 and spacing with back-up ring 13 from gear 14, it is characterised in that:
Described second master bevel gear 6 axle journal is bearing in the endoporus of support wall flange 24 with two clutch shaft bearings 23 having spacer ring, being respectively provided with first, second sealing member 5,4 before described two bearings 23, described second sealing member 4 is placed in the first seal seats 4 being connected in support inward flange 24 dead eye outer end；
Described second axle 7 two ends seal bearing 20,10 with first, second respectively and are bearing in the respective aperture of support wall, described first seals bearing 20 before equipped with the first end cap 21, described second seals bearing 10 fills spacer ring, the first thrust bearing 9 successively and is connected in the second end cap 8 of dead eye end face afterwards, fills out grease in the first thrust bearing 9；
Described output shaft 15 both sides are bearing in the respective aperture of support wall with second, third bearing 18,12 respectively, second bearing 18 both sides of described output shaft 15 axle stretch end have the three, the 4th sealing members 16,19 respectively, described 3rd sealing member 16 is placed in the second seal seats 17 being connected in dead eye outer end, fill spacer ring, the second thrust bearing 11 successively and be connected in the nose circle lid 25 of dead eye end face after 3rd bearing 12 of described output shaft 15 shaft tail end, in second, third bearing 18,12 and second thrust bearing 11 described, filling out grease；
Described sealing bearing is contact radial seal bearing, and such as RK or RS or HMS (A) or MHS (A) type, " self seal of bearing is divided into contact and non-contacting seal by version.Radial seal and axial seal can be divided into by contact.Single lip seal and double-lip seal can be divided into by the structure of sealing ring." (Liu Zejiu " rolling bearing application manual " page 593), sealing member is rotating shaft lip-shaped sealing or Che Shi combination sealing.(Cheng great Xian " mechanical design handbook " volume 3-10-269, page 300).
Claims (2)
1. the K Series Gear Reducers of a bearing grease lubrication SEW, including support (1), first from gear (2), the second master and slave bevel gear (6,26), the 3rd master and slave gear (22,14), the described first axle stretch end being connected in the second master bevel gear (6) from gear (2), described second is connected in the second axle (7) from bevel gear (26) and the 3rd master gear (22), described 3rd is connected in output shaft (15) and spacing with back-up ring (13) from gear (14), it is characterised in that:
Described second master bevel gear (6) the axle journal endoporus having two clutch shaft bearings (23) of spacer ring to be bearing in support inward flange (24), being respectively provided with first, second sealing member (5,4) before described two clutch shaft bearings (23), described second sealing member (4) is placed in the first seal seats (3) being connected in flange (24) dead eye outer end；
Described second axle (7) two ends seal bearing (20,10) with first, second respectively and are bearing in the respective aperture of support wall, described first seals bearing (20) before equipped with the first end cap (21), described second seals bearing (10) fills the first spacer ring, the first thrust bearing (9) successively and is connected in second end cap (8) of dead eye end face afterwards, and the first thrust bearing fills out grease in (9)；
Described output shaft (15) both sides are respectively with second, 3rd bearing (18, 12) it is bearing in the respective aperture of support wall, second bearing (18) both sides of described output shaft (15) axle stretch end have the 3rd respectively, 4th sealing member (16, 19), described 3rd sealing member (16) is placed in the second seal seats (17) being connected in dead eye outer end, the second spacer ring is filled successively after 3rd bearing (12) of described output shaft (15) shaft tail end, second thrust bearing (11) and be connected in the nose circle lid (25) of dead eye end face, described second, 3rd bearing (18, 12) and grease is filled out in the second thrust bearing (11)；
Described sealing bearing is contact radial seal bearing, and described sealing member is rotary shaft lip seal or Che Shi combination sealing.
The K Series Gear Reducers of bearing grease the most according to claim 1 lubrication SEW, described contact radial seal bearing is RK or RS or HMS (A) or MHS (A) type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210382851.8A CN102996772B (en) | 2012-09-11 | 2012-09-11 | The K series reduction of bearing grease lubrication SEW |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210382851.8A CN102996772B (en) | 2012-09-11 | 2012-09-11 | The K series reduction of bearing grease lubrication SEW |
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| Publication Number | Publication Date |
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| CN102996772A CN102996772A (en) | 2013-03-27 |
| CN102996772B true CN102996772B (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210382851.8A Active CN102996772B (en) | 2012-09-11 | 2012-09-11 | The K series reduction of bearing grease lubrication SEW |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103206492A (en) * | 2013-04-28 | 2013-07-17 | 江苏泰来减速机有限公司 | Grease-lubrication soft-start planetary differential reducer for bearings |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86207249U (en) * | 1986-09-26 | 1988-05-11 | 湖北煤矿机械厂 | Conveyer decelerator |
| JPH11201264A (en) * | 1998-01-08 | 1999-07-27 | Central Japan Railway Co | Shaft sealing device of gear device for rolling stock |
| CN2375822Y (en) * | 1998-12-24 | 2000-04-26 | 中国人民解放军第四八一三工厂 | Oil and liquid lubricating device for electric hub speed reducer of electric bicycle |
| CN201159266Y (en) * | 2008-02-20 | 2008-12-03 | 江苏省金象减速机有限公司 | Special gearbox for thin coal seam mining drill rig |
| CN201827299U (en) * | 2010-04-16 | 2011-05-11 | 浙江顺天减速机制造有限公司 | Spiral bevel gear speed reducer |
| CN102062173A (en) * | 2010-12-17 | 2011-05-18 | 上海隆协电子科技有限公司 | Spiral wheel-spiral bevel gear retarder |
| CN201843944U (en) * | 2010-11-04 | 2011-05-25 | 天津减速机股份有限公司 | Rectangular-shaft hard-face gear reducer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201106544Y (en) * | 2007-11-16 | 2008-08-27 | 鞍山佳朋压缩机有限公司 | Nil oil lubrication air compressor with apparatus for replenishing oleosol |
-
2012
- 2012-09-11 CN CN201210382851.8A patent/CN102996772B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86207249U (en) * | 1986-09-26 | 1988-05-11 | 湖北煤矿机械厂 | Conveyer decelerator |
| JPH11201264A (en) * | 1998-01-08 | 1999-07-27 | Central Japan Railway Co | Shaft sealing device of gear device for rolling stock |
| CN2375822Y (en) * | 1998-12-24 | 2000-04-26 | 中国人民解放军第四八一三工厂 | Oil and liquid lubricating device for electric hub speed reducer of electric bicycle |
| CN201159266Y (en) * | 2008-02-20 | 2008-12-03 | 江苏省金象减速机有限公司 | Special gearbox for thin coal seam mining drill rig |
| CN201827299U (en) * | 2010-04-16 | 2011-05-11 | 浙江顺天减速机制造有限公司 | Spiral bevel gear speed reducer |
| CN201843944U (en) * | 2010-11-04 | 2011-05-25 | 天津减速机股份有限公司 | Rectangular-shaft hard-face gear reducer |
| CN102062173A (en) * | 2010-12-17 | 2011-05-18 | 上海隆协电子科技有限公司 | Spiral wheel-spiral bevel gear retarder |
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| CN102996772A (en) | 2013-03-27 |
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Effective date of registration: 20181130 Address after: 225400 No. 88 Daqing East Road, Taixing, Taizhou, Jiangsu. Patentee after: Tailong Decelerating Machine Co., Ltd., Jiangsu Address before: 401120 Chongqing Yubei District Shuangfeng Bridge Street 3 East Road 7 buildings Patentee before: Chongqing Beijing Great Automotive Components Company Limited |