CN101067437A - Worm wheel and worm with dynamic and static pressure lubricating at engagement zone - Google Patents
Worm wheel and worm with dynamic and static pressure lubricating at engagement zone Download PDFInfo
- Publication number
- CN101067437A CN101067437A CNA2007100350772A CN200710035077A CN101067437A CN 101067437 A CN101067437 A CN 101067437A CN A2007100350772 A CNA2007100350772 A CN A2007100350772A CN 200710035077 A CN200710035077 A CN 200710035077A CN 101067437 A CN101067437 A CN 101067437A
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- worm
- gear
- oil
- sealing block
- worm screw
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Abstract
The invention discloses the worm and gear with the active and static pressure lubricant used in the mechanically-driven meshing zone. The sealing mass is installed in the out of the meshing zone of the worm and the gear, which contacts with the worm and has the sealing strip. The maze tooth is on the relative surface of the sealing mass and the gear, which is directed to the bear without the oil through the oil pipe from the oil hole opened in the sealing zone formed between the sealing mass hollow and the worm or gear. The screw vanes with the same direction are set on the meshed end of the basal leptospira in gear. The ring oil groove in sealing mass hollow is connected to the sealing zone through the oil hole; on the tooth surface of the worm or gear, the unconnected oil slots are opened. The structure of the invention has improved the lubricant of the worm and gear to improve the loading ability. The driven efficiency has improved by 3%, so it can instead the multilevel gear or planet gear and used in the big speed ratio field.
Description
Technical field
The present invention relates to a kind of worm and gear that there is dynamic and static pressure lubricating mechanically operated meshing zone that is used for.
Background technique
Worm and gear is a kind of known basic driving mechanism, is 200410023788.4 (CN1563747A) " worm and gear " as application number.Common worm and gear has advantages such as big, the simple in structure or compactness of speed ratio, its lubricating system divides oil sump to soak lubricated and is lubricated toward the meshing zone oil spout with oil pump, relative sliding velocity between the worm and gear mating surface is big, worm screw is rotated the lubricant oil that drives strong centrifugal action, the condition that makes the meshing zone oil film form is poor, add the churning loss of worm screw, the worm and gear of this common structure has shortcomings such as the low and heating of serious wear, transmission efficiency is serious, and the application area of worm and gear transmission is restricted.
Summary of the invention
There is the worm and gear of dynamic and static pressure lubricating the meshing zone of the object of the present invention is to provide a kind of lubricating status that can improve worm and gear engagement, reduce to rub, reduce heating, improving bearing capacity and raising transmission efficiency.
For achieving the above object, the technical solution used in the present invention is: adopt following structure on (promptly on the basis at known worm and gear) on the basis of known technology: the engaged section worm gear and worm screw is peripherally equipped with the sealing block that seals, and available bonding or bolt connect between the sealing block opposing side.Sealing block and worm gear touching position are equipped with Stamping Steel Ribbon.Between sealing block and worm screw apparent surface labyrinth teeth is arranged, the oilhole that has from the seal area that forms between sealing block inner chamber and worm screw or the worm gear is connected with the oil pipe that points to the bearing that does not immerse fluid.The engaging-in end of basic heliconid worm screw is provided with the helical blade identical with its rotation direction, and the annular oil groove of sealing block inner chamber is processed with mutual disconnected oil storage pit through oilhole communication seals district on the flank of tooth of worm gear or worm screw.
Adopt as above technological scheme to provide the worm and gear that there is dynamic and static pressure lubricating a kind of meshing zone compared with prior art, its technique effect is:
1. at the engaging-in end of worm screw, lubricant oil in the oil sump is for the helical movement under the drive of worm screw, the lubricant oil of turn can not thrown away by the constraint of sealing block inner chamber and worm gear outer contoured surface, they flow in the promotion lower edge worm screw of worm spiral face and the formed Seal cage of sealing block inner chamber, and direct current is to nibbling out end or oil sump is returned in leakage.Flow because lubricant oil is in order, churning loss is little, and it is few that the meshing zone is full of and lubricates between lubricant oil, Surface of action well, wearing and tearing reduce, generate heat, and transmission efficiency is improved, and worm screw can be adopted higher or lower linear velocity;
2. the engaging-in end of basic heliconid worm screw is provided with the helical blade identical with its rotation direction, this helical blade can be with the lubricant oil in oil sump pressurization after the annular oil groove of sealing block inner chamber, oilhole inject in the Seal cage, guaranteed that the worm and gear meshing zone is full of the lubricant oil of band pressure, form the lubricant film that dynamic and static pressure combines, further improved the lubricating condition of meshing zone, friction is further reduced, and heating further reduces, and the transmission efficiency of worm and gear further improves; Worm screw also can be adopted lower rotating speed simultaneously;
3. processed mutual disconnected oil storage pit on the flank of tooth of worm gear or worm screw, can play the lubricated effect of oil storage, improved the lubricating status of Surface of action, these oil storage pit can also be received tiny abrasive particle, play the effect that reduces abrasion;
4. the band pressure lubricating oil of drawing in the Seal cage that forms from worm screw and sealing block inner chamber has improved the lubricating condition of this bearing, the bearing capacity and the working life of having improved bearing through the lubricated bearing that does not immerse fluid of oil pipe.
Description of drawings
Fig. 1 also is a Figure of abstract of the present invention for there are the worm gear of worm and gear of dynamic and static pressure lubricating and the structural representation of worm meshing place in a kind of meshing zone of the present invention.
Fig. 2 removes the schematic side view of sealing block 3 (or sealing block 3 ') for Fig. 1.
Fig. 3 is for being processed with the front schematic view of oil storage pit on the flank of tooth of worm gear or worm screw.
Fig. 4 is the cross-sectional schematic of a certain position of Fig. 3.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
A kind of meshing zone of the present invention has the worm and gear of dynamic and static pressure lubricating to be improved on known worm and gear basis and the new type worm wheel worm screw that forms.
As shown in Figure 1, the engaged section of worm gear 1 and worm screw 2 be peripherally equipped with sealing block 3 or 3 ', sealing block 3 or 3 ' worm gear 1 and the engaged section of worm screw 2 can be sealed.Sealing block 3 and sealing block 3 ' between opposing side can adopt bonding or adopt bolt to connect.Sealing block 3 or sealing block 3 ' with worm gear 1 touching position have Stamping Steel Ribbon 4 or 4 ', in between sealing block 3 and worm screw 2 apparent surfaces or sealing block 3 ' and worm screw 2 apparent surfaces between labyrinth teeth 5 is arranged, labyrinth teeth 5 can stop lubricant oil from worm screw 2 and sealing block 3 or 3 ' between the space run out of.From the seal area that forms between sealing block 3 or 3 ' inner chamber and worm screw 2 or the worm screw 1 have oilhole 6 or 6 ', the oil pipe 7 or the 7 ' UNICOM of oilhole 6 or 6 ' do not immerse the bearing of fluid with sensing.
When engaged section has the worm and gear operation of dynamic and static pressure lubricating, engaging-in end worm screw 2, lubricant oil in the oil sump is for the helical movement under the drive of worm screw 2, the lubricant oil of turn can not thrown away by the constraint of sealing block 3,3 ' inner chamber and worm gear 1 outer contoured surface, but flow in the Seal cage that under the promotion of the helicoid of worm screw 2, forms along worm screw 2 and sealing block 3 or 3 ' inner chamber, direct current to worm screw 2 nibble out end or oil sump is returned in leakage.Stamping Steel Ribbon 4 and 4 ' can stop oil from seal area through worm gear 1 and sealing block 3 or 3 ' between the space run out of.
As shown in Figure 2, the engaging-in end of basic heliconid worm screw 2 is provided with M (integers of M 〉=3) the sheet helical blade 8 identical with its rotation direction, helical blade 8 can be with the lubricant oil in oil sump pressurization after the annular oil groove 10 of sealing block 3 or 3 ' inner chamber in oilhole 9 is injected into the Seal cage that is formed by sealing block 3 or 3 ' inner chamber and worm gear 1 or worm screw 2, guarantee that worm gear 1 and worm screw 2 meshing zones are full of the lubricant oil of band pressure, form moving at this seal area, the lubricant film that static pressure combines, improve the lubricating condition of worm gear 1 worm screw 2 meshing zones, further reduce friction, reduce wear, improve transmission efficiency.
Shown in accompanying drawing 3 or 4, on the flank of tooth of worm gear 1 or worm screw 2, be processed with the individual mutual disconnected oil storage pit 11 of N or N ' (integers of N, N '＞2), these oil storage pit 11 can play the oil storage lubrication.When worm gear 1 or worm screw 2 starting or braking process in active and static pressure loading capacity of oil film when reducing, oil in the oil storage pit 11 can improve the lubricating condition between worm gear 1 or worm screw 2 Surface of action, in addition, oil storage pit 11 can also be received tiny abrasive particle, plays the effect that reduces worm gear 1 or the wearing and tearing of worm screw 2 Surface of action.
The band pressure lubricating oil of drawing from seal area can be from oilhole 6 or 6 ' through oil pipe 7 or 7 ' bearing is lubricated, improve the working life of bearing.
Claims (1)
1, there is the worm and gear of dynamic and static pressure lubricating a kind of meshing zone, it is characterized in that: the engaged section worm gear (1) and worm screw (2) is peripherally equipped with sealing block (3,3 '), sealing block (3,3 ') has Stamping Steel Ribbon (4,4 ') with worm gear (1) touching position, between sealing block (3,3 ') and worm screw (2) apparent surface labyrinth teeth (5) is arranged, have oilhole (6,6 ') from the seal area that forms between sealing block (3,3 ') inner chamber and worm screw (2) or the worm gear (1), oilhole (6,6 ') is communicated with the oil pipe (7,7 ') that points to the bearing that does not immerse fluid; The engaging-in end of basic heliconid worm screw (2) is provided with the M sheet helical blade (8) identical with its rotation direction, the annular oil groove (10) of sealing block (3,3 ') inner chamber is processed with N or the individual mutual disconnected oil storage pit of N ' (11) through oilhole (9) communication seals district on the flank of tooth of worm gear (1) or worm screw (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100350772A CN100427800C (en) | 2007-06-04 | 2007-06-04 | Worm wheel and worm with dynamic and static pressure lubricating at engagement zone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100350772A CN100427800C (en) | 2007-06-04 | 2007-06-04 | Worm wheel and worm with dynamic and static pressure lubricating at engagement zone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101067437A true CN101067437A (en) | 2007-11-07 |
| CN100427800C CN100427800C (en) | 2008-10-22 |
Family
ID=38880082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100350772A Expired - Fee Related CN100427800C (en) | 2007-06-04 | 2007-06-04 | Worm wheel and worm with dynamic and static pressure lubricating at engagement zone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100427800C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562950A (en) * | 2012-02-13 | 2012-07-11 | 刘继清 | Parallel split type worm and gear sealing structure with independent oil inlet holes |
| CN102678898A (en) * | 2011-02-16 | 2012-09-19 | 萱场工业株式会社 | Worm reduction gear |
| CN108533687A (en) * | 2018-06-15 | 2018-09-14 | 三门县金帆橡塑机械厂 | A kind of Worm and worm-wheel gearing and its mixer |
| CN109353465A (en) * | 2018-11-07 | 2019-02-19 | 浙江海洋大学 | A kind of unmanned monitoring ship wave energy absorbing device |
| CN109690131A (en) * | 2016-09-21 | 2019-04-26 | 日本精工株式会社 | Worm reducer |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2940844A1 (en) * | 1979-10-09 | 1981-04-30 | Kernforschungsanlage Jülich GmbH, 5170 Jülich | Pressure fluid feed for low friction worm gear - has axial blind hole in worm leading to radial channels along threads with ports to gear flanks |
| CN1045446A (en) * | 1989-03-03 | 1990-09-19 | 周知 | Large-diameter oil culvert worm gear pair |
| GB9321887D0 (en) * | 1993-10-22 | 1993-12-15 | Neale Michael J | A worm gear with improved lubrication |
| JP4507238B2 (en) * | 2004-01-15 | 2010-07-21 | 株式会社エンプラス | Worm wheel |
| DE102005012623A1 (en) * | 2005-03-18 | 2006-09-21 | Siemens Ag | Drive unit assembled of worm gear and toothed wheel, comprising lubricant chamber accommodating worm gear |
-
2007
- 2007-06-04 CN CNB2007100350772A patent/CN100427800C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678898A (en) * | 2011-02-16 | 2012-09-19 | 萱场工业株式会社 | Worm reduction gear |
| CN102678898B (en) * | 2011-02-16 | 2015-09-16 | 萱场工业株式会社 | worm reducer |
| CN102562950A (en) * | 2012-02-13 | 2012-07-11 | 刘继清 | Parallel split type worm and gear sealing structure with independent oil inlet holes |
| CN102562950B (en) * | 2012-02-13 | 2014-06-04 | 刘继清 | Parallel split type worm and gear sealing structure with independent oil inlet holes |
| CN109690131A (en) * | 2016-09-21 | 2019-04-26 | 日本精工株式会社 | Worm reducer |
| CN109690131B (en) * | 2016-09-21 | 2022-04-05 | 日本精工株式会社 | Worm gear speed reducer |
| US11466767B2 (en) | 2016-09-21 | 2022-10-11 | Nsk Ltd. | Worm reducer |
| CN108533687A (en) * | 2018-06-15 | 2018-09-14 | 三门县金帆橡塑机械厂 | A kind of Worm and worm-wheel gearing and its mixer |
| CN109353465A (en) * | 2018-11-07 | 2019-02-19 | 浙江海洋大学 | A kind of unmanned monitoring ship wave energy absorbing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100427800C (en) | 2008-10-22 |
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