CN101443579A - Lubricating device with lubricant transfer pinion - Google Patents
Lubricating device with lubricant transfer pinion Download PDFInfo
- Publication number
- CN101443579A CN101443579A CNA200780017700XA CN200780017700A CN101443579A CN 101443579 A CN101443579 A CN 101443579A CN A200780017700X A CNA200780017700X A CN A200780017700XA CN 200780017700 A CN200780017700 A CN 200780017700A CN 101443579 A CN101443579 A CN 101443579A
- Authority
- CN
- China
- Prior art keywords
- tooth
- transfer pinion
- lubricant
- lubricant transfer
- flank
- 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.)
- Granted
Links
- 239000000314 lubricant Substances 0.000 title claims abstract description 100
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 28
- 239000008041 oiling agent Substances 0.000 claims description 25
- 238000005461 lubrication Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000004519 grease Substances 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 230000007704 transition Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
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- General Details Of Gearings (AREA)
- Gear Transmission (AREA)
Abstract
Described is a lubricating device with at least one lubricating pinion (1) for applying a lubricant, in particular grease, which is for example fed through a lubricant line by a lubricant pump from a reservoir, to at least one gearwheel (2) or the like, wherein the lubricating pinion (1) has an outer toothing into which at least one lubricant outlet (8) opens out. The teeth (7) of the outer toothing of the lubricating pinion (1) have a shortened tooth flank profile in relation to an involute toothing, wherein the addendum (hk) and/or the width of the tooth flanks in the peripheral direction are reduced in a tooth flank section which is situated radially outside the reference circle.
Description
Technical field
The present invention relates to a kind of lubricating fitting with at least one lubricant transfer pinion,---particularly lubricating grease---is applied at least one gear to be used for the oiling agent will be for example carried from reservoir vessel by lubricating pump by the oiling agent path, and wherein lubricant transfer pinion has at least one lubricant outlet and feeds wherein outer toothed portion.
Background technique
This device that is used for oilgear is for example known by DE 201 21 923 U1.The lubricant transfer pinion that is called the gear ring module in this article has the outer profile of the common gear that has involute tooth.When this known lubricant transfer pinion during with gear engagement to be lubricated, the tooth top district that is arranged in the pitch circle radial outside of lubricant transfer pinion joins the tooth root district that is positioned at the pitch circle radially inner side of gear to be lubricated to.This causes oiling agent to be applied to brokenly and unevenly on the gear to be lubricated, and particularly accumulates in the tooth root district of gear to be lubricated.In addition, occurring oiling agent partly in and the flank of tooth zone that is in contact with one another high at Friction load supplies with insufficient.
Summary of the invention
Therefore the objective of the invention is, a kind of lubricating fitting that starts described type is provided, under the simple as far as possible situation of structure of this lubricating fitting, improve the distribution/distribution of oiling agent on gear to be lubricated with this lubricating fitting.
According to the present invention, described purpose realizes basically like this, each tooth that is the outer toothed portion of lubricant transfer pinion has the flank of tooth profile that shortens with respect to involute tooth, and wherein the addendum and/or the flank of tooth reduce in the flank of tooth part that is positioned at the pitch circle radial outside at the width that makes progress in week.For the addendum that reduces, particularly the crown that exists at present is removed.At this, addendum is half of difference of the pitch diameter of the external diameter of lubricant transfer pinion and lubricant transfer pinion.In other words, addendum represents that each tooth radial outward exceeds the height in the zone of pitch circle.In involute tooth, described zone normally becomes most advanced and sophisticated tooth district gradually.If the addendum with respect to involute tooth reduces described addendum now, then the tooth of lubricant transfer pinion enters into the tooth root district of gear to be lubricated more shallowly.Surprisingly verified, realized the distribution of the obvious improvement of oiling agent in the stronger zone of Friction load thus, particularly avoided oiling agent undesired gathering in the tooth root district of gear to be lubricated.Be equally applicable to reduce the flank of tooth at the width that makes progress in week, can avoid oiling agent to be applied to brokenly and unevenly on the gear to be lubricated and particularly thus equally and in the tooth root district of gear to be lubricated, assemble in the flank of tooth part that is positioned at the pitch circle radial outside.
The addendum of the tooth of the outer toothed portion of lubricant transfer pinion preferably reduces about 25% to about 90%, particularly about 50% to about 80% with respect to involute tooth.Verified particularly advantageous be that the addendum of the tooth of the outer toothed portion of lubricant transfer pinion has reduced about 75% with respect to involute tooth.In other words, described addendum only is about 25% of in involute tooth theoretical profile.At this, only shorten the tooth of lubricant transfer pinion in the zone that is positioned at the pitch circle radial outside, because when tooth being shortened to the value that is lower than pitch circle (being positioned at pitch circle), lubricant transfer pinion is no longer by gear driven to be lubricated.
The tooth depth of the tooth of the outer toothed portion of lubricant transfer pinion also can reduce about 25% to 50% with respect to involute tooth, and particularly the addendum of outer toothed portion can reduce about 25%.
Also can be according to profile correction of the flank shape of the present invention, that addendum reduces different aspect the profile of outer toothed portion with involute tooth.Therefore, the tooth of the outer toothed portion of lubricant transfer pinion has by the tooth top profile of rounding.This can for example realize that by the bigger radius in the peak end regions this radius carries out the transition to less radius respectively in side direction.At this, the tooth of the outer toothed portion of lubricant transfer pinion can have the tooth top profile of such rounding, makes the flank of tooth reduce with respect to involute tooth in the flank of tooth part that is positioned at the pitch circle radial outside at the width that makes progress in week.
Perhaps, other tooth top profile arbitrarily is set also can for the tooth of the outer toothed portion of lubricant transfer pinion for this reason.Therefore, the tooth top profile also can be designed to sharp, particularly can be similar to the tooth top profile of involute tooth at this.
For can be equably and be gear supply of lubricant to be lubricated well, lubricant transfer pinion preferably has a plurality of oiling agent paths of drawing from the oiling agent input channel, and these oiling agent paths feed at least one lubricant outlet that is positioned at one of them tooth respectively.According to a kind of preferred form of implementation of the present invention, can be arranged on via the oiling agent input channel that lubricating pump is connected with reservoir vessel in the zone of axis of lubricant transfer pinion or in the zone of the near axis of lubricant transfer pinion.
In the improvement project of the present invention's conception, stipulate, in each tooth of lubricant transfer pinion, feed at least two lubricant outlets.Realized each tooth supply of lubricant thus for gear to be lubricated.
Two flank of tooth supply of lubricant for each tooth of giving gear to be lubricated according to another form of implementation of the present invention, are provided with at least one lubricant outlet in each flank of tooth of lubricant transfer pinion.
Lubricant transfer pinion itself can be made of metal at least in part, perhaps is made of plastics at least in part.Lubricant transfer pinion and gear to be lubricated also can be made from a variety of materials.
At this, if the exit orifice of lubricant transfer pinion feeds the flank of tooth in pitch circle zone and/or the zone between pitch circle and root circle, gear then to be lubricated is lubricated at the highest position of Friction load.
Exit orifice preferably feeds the flank of tooth in cross groove or passage, described groove or passage also almost stretch on the whole axial width of the flank of tooth along the axial direction extension of lubricant transfer pinion.Thus, realized the oiling agent distribution on the whole width of lubricant transfer pinion and gear to be lubricated basically.
The invention still further relates to a kind of transmission device, wherein the lubricant transfer pinion of lubrication system and at least one gear engagement with at least one gear to be lubricated.At this, the present invention is not limited to the gear that Lubrication Design becomes cylindrical gears, but also can be used on lubricant transfer pinion meshed bevel gears, helical gear/worm gear, crown gear, worm screw, tooth bar or elliptic gear in.
Description of drawings
According to an embodiment the present invention is described in greater detail with reference to the attached drawings below.At this, illustrated and/or illustrated all features itself or combination in any ground constitute theme of the present invention, and irrelevant with the summary in claim and adduction relationship.
Among the figure:
Fig. 1 schematically show according to of the present invention, with the partial view of the lubricant transfer pinion of gear engagement to be lubricated,
Fig. 2 schematically show and the lubricant transfer pinion of gear engagement to be lubricated at the view of the position of further rotating with respect to Fig. 1,
Fig. 3 schematically shows the perspective view according to the lubricant transfer pinion of Fig. 1, and
Fig. 4 schematically shows the partial view according to lubricant transfer pinion of the present invention.
Embodiment
The partial view of the lubricant transfer pinion 1 of lubricating fitting shown in the drawings, this lubricant transfer pinion has pitch diameter d.Gear to be lubricated 2 engagements shown in lubricant transfer pinion 1 and is equally only local, this gear has involute tooth.
In the zone of the axis 3 of lubricant transfer pinion 1, be formed with oiling agent input channel 4, basically radially extend oiling agent path 5 from this oiling agent input channel, these oiling agent paths feed a lubricant outlet 8 respectively in the flank of tooth 6 of the tooth 7 of lubricant transfer pinion 1.As shown in Figure 1, lubricant outlet 8 is located substantially in the zone of pitch circle.In Fig. 1, the lubricant outlet that is arranged in the right flank of lubricant transfer pinion 1 contacts with gear 2 to be lubricated, and the lubricant transfer pinion 1 in Fig. 2 is further rotated along clockwise direction, makes the lubricant outlet that is arranged in left flank 8 of lubricant transfer pinion 1 contact with gear 2 to be lubricated.
The tooth top profile of lubricant transfer pinion 1 illustrates with solid line in the drawings.The tooth in the centre of figure of lubricant transfer pinion 1 is represented by dotted lines the lubricant transfer pinion tooth top profile under the situation of the theoretical profile of involute tooth.By comparing solid line and dotted line as can be known, the tooth top profile and the tooth depth of lubricant transfer pinion 1 are different with the theoretical profile of involute tooth.
Therefore, the addendum hk of the tooth 7 of lubricant transfer pinion 1 is littler than the theoretical profile of involute tooth.At this, addendum hk is defined as half of difference of the pitch diameter d of the outside diameter d k of lubricant transfer pinion 1 and lubricant transfer pinion 1.Shown in form of implementation in, the addendum of the tooth 7 of lubricant transfer pinion 1 only is equivalent to about 0.2 to about 0.7 value of the addendum in the theoretical profile of involute tooth.Therefore, the tooth 7 of lubricant transfer pinion 1 only enters in the tooth root zone between each tooth of gear to be lubricated 2 much less.
In addition, the tooth top profile of the tooth 7 of lubricant transfer pinion 1 also with respect to boil down into usually most advanced and sophisticated involute tooth change over shown in the form of implementation by the tooth top profile of rounding.This also causes (oiling agent) to be sent in the zone of pitch circle on the flank of tooth of gear to be lubricated 2 basically, and can not accumulate in the tooth root zone of gear to be lubricated 2.The oiling agent that is provided by lubricant outlet 8 imports in the axial passage 9 or cross groove shown in Figure 3, so as with lubricant dispense to the width of lubricant transfer pinion 1.
Particularly as seen from Figure 4, shown in form of implementation in the central radius r of tooth top profile of tooth 7 of lubricant transfer pinion 1
2Bigger, this central authorities' radius carries out the transition to less radius r respectively in both sides
1At this, the flank of tooth only reduces in the flank of tooth part that is arranged in the pitch circle radial outside at the width that makes progress in week.The tooth 7 of lubricant transfer pinion 1 described with respect to the theoretical profile that is shown in broken lines addendum and along aspect the circumferential face width of tooth all the profile of correction of the flank shape cause, prevent that oiling agent (for example lubricating grease) is removed, thereby be essentially the flank of tooth supply of lubricant of gear 2 to be lubricated.
Reference numerals list
1 lubricant transfer pinion
2 gears to be lubricated
3 axis
4 lubricant input channels
5 lubricant paths
6 flank of tooth
7 teeth
8 lubricant outlets
9 passages
The d pitch diameter
The dk external diameter
The hk addendum
r
1Less radius
r
2Bigger radius
Claims (12)
1. lubricating fitting with at least one lubricant transfer pinion (1),---particularly lubricating grease---is applied at least one gear (2) or similar structure to be used for the oiling agent will be for example carried from reservoir vessel by lubricating pump by the oiling agent path, wherein lubricant transfer pinion (1) has outer toothed portion, in this outer toothed portion, feed at least one lubricant outlet (8), it is characterized in that, the tooth (7) of the outer toothed portion of lubricant transfer pinion (1) has the flank of tooth profile that shortens with respect to involute tooth, wherein, in the flank of tooth part that is arranged in the pitch circle radial outside addendum (hk) and/or the flank of tooth are reduced at the width that makes progress in week.
2. lubricating fitting according to claim 1 is characterized in that, the addendum (hk) of the tooth (7) of the outer toothed portion of lubricant transfer pinion (1) has reduced about 25% to about 90%, particularly about 50% to about 80% with respect to involute tooth.
3. lubricating fitting according to claim 2 is characterized in that, the addendum (hk) of the tooth (7) of the outer toothed portion of lubricant transfer pinion (1) has reduced about 75% with respect to involute tooth.
4. according to each described lubricating fitting in the claim 1 to 3, it is characterized in that, the tooth (7) of the outer toothed portion of lubricant transfer pinion (1) have by rounding, particularly with three radius (r
1, r
2) the tooth top profile of rounding.
5. according to each described lubricating fitting in the claim 1 to 4, it is characterized in that, the tooth top profile of the tooth (7) of the outer toothed portion of lubricant transfer pinion (1) is become by rounding, makes the flank of tooth reduce with respect to involute tooth in the flank of tooth part that is arranged in the pitch circle radial outside at the width that makes progress in week.
6. according to each described lubricating fitting in the claim 1 to 5, it is characterized in that, tooth (7) tool of the outer toothed portion of lubricant transfer pinion (1) is slightly pointed, particularly with the similar tooth top profile of involute tooth.
7. according to each described lubricating fitting in the claim 1 to 6, it is characterized in that, lubricant transfer pinion (1) has a plurality of oiling agent paths (5) that the oiling agent input channel (4) in the axis (3) that is arranged on this lubricant transfer pinion or this lubricant transfer pinion near axis zone is drawn, and these oiling agent paths feed respectively at least one lubricant outlet (8) in one of described tooth (7).
8. according to each described lubricating fitting in the claim 1 to 7, it is characterized in that, in each tooth (7) of lubricant transfer pinion (1), feed at least two lubricant outlets (8).
9. lubricating fitting according to claim 8, it is characterized in that, described lubricant outlet (8) is connected by cross groove or passage (9), and described cross groove or passage extend on the particularly almost whole width of the flank of tooth (6) along the axial direction of lubricant transfer pinion (1).
10. according to Claim 8 or 9 described lubricating fittings, it is characterized in that, in each flank of tooth (6) of lubricant transfer pinion (1) and/or cross groove or passage (9), feed at least one lubricant outlet (8).
11. according to each described lubricating fitting in the claim 1 to 10, it is characterized in that, feed in the flank of tooth (6) of lubricant transfer pinion (1) in the several at least zones in the zone of pitch circle (d) and/or between pitch circle and root circle in the lubricant outlet (8).
12. the transmission device with at least one gear (2) or similar structure, wherein lubrication system, require according to aforesaid right in each described lubricant transfer pinion (1) and at least one gear (2) engagement.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202006007831 | 2006-05-16 | ||
| DE202006007831.2 | 2006-05-16 | ||
| DE202006011330.4 | 2006-07-20 | ||
| DE202006011330U DE202006011330U1 (en) | 2006-05-16 | 2006-07-20 | Lubricating device for applying lubricating grease from a reservoir container to a gearwheel via a pipe from a lubricant pump has a lubricating pinion gear |
| PCT/EP2007/003666 WO2007131604A1 (en) | 2006-05-16 | 2007-04-26 | Lubricating device with lubricating pinion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101443579A true CN101443579A (en) | 2009-05-27 |
| CN101443579B CN101443579B (en) | 2013-07-10 |
Family
ID=40727162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200780017700XA Active CN101443579B (en) | 2006-05-16 | 2007-04-26 | Lubricating device with lubricant transfer pinion |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101443579B (en) |
| ZA (1) | ZA200809647B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179935A (en) * | 2013-05-27 | 2014-12-03 | 内蒙古欧意德发动机有限公司 | Gear and gear transmission device |
| CN106471307A (en) * | 2014-06-06 | 2017-03-01 | 比伯拉赫利勃海尔零部件有限公司 | Driver |
| CN107366735A (en) * | 2017-08-04 | 2017-11-21 | 扬州海昌新材股份有限公司 | A kind of helical gear and preparation method thereof |
| CN111550543A (en) * | 2020-06-11 | 2020-08-18 | 哈尔滨华跃科技研发有限公司 | Gear transmission device with hydrodynamic grooves |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3424022A (en) * | 1967-01-23 | 1969-01-28 | Babcock & Wilcox Co | Hydrostatic gearing |
| CN2050911U (en) * | 1989-01-10 | 1990-01-10 | 太原工业大学 | Involute gear with apertures |
| DE10129089B4 (en) * | 2001-06-16 | 2006-08-31 | Zs Schmieranlagen Vertriebs Gmbh | Gear lubrication module for automatic lubrication of gear wheels of a wind power plant |
| CN2603876Y (en) * | 2002-12-27 | 2004-02-18 | 邹高生 | Assembling gear |
-
2007
- 2007-04-26 CN CN200780017700XA patent/CN101443579B/en active Active
-
2008
- 2008-11-12 ZA ZA200809647A patent/ZA200809647B/en unknown
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179935A (en) * | 2013-05-27 | 2014-12-03 | 内蒙古欧意德发动机有限公司 | Gear and gear transmission device |
| CN106471307A (en) * | 2014-06-06 | 2017-03-01 | 比伯拉赫利勃海尔零部件有限公司 | Driver |
| CN106471307B (en) * | 2014-06-06 | 2018-09-18 | 比伯拉赫利勃海尔零部件有限公司 | Driver |
| US10927943B2 (en) | 2014-06-06 | 2021-02-23 | Liebherr-Components Biberach Gmbh | Mechanical drive |
| US11719328B2 (en) | 2014-06-06 | 2023-08-08 | Liebherr-Components Biberach Gmbh | Drive |
| CN107366735A (en) * | 2017-08-04 | 2017-11-21 | 扬州海昌新材股份有限公司 | A kind of helical gear and preparation method thereof |
| CN111550543A (en) * | 2020-06-11 | 2020-08-18 | 哈尔滨华跃科技研发有限公司 | Gear transmission device with hydrodynamic grooves |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA200809647B (en) | 2009-08-26 |
| CN101443579B (en) | 2013-07-10 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |