CN207526952U - Belt drive unit with polywedge bet and more wedge wheels - Google Patents
Belt drive unit with polywedge bet and more wedge wheels Download PDFInfo
- Publication number
- CN207526952U CN207526952U CN201590000813.9U CN201590000813U CN207526952U CN 207526952 U CN207526952 U CN 207526952U CN 201590000813 U CN201590000813 U CN 201590000813U CN 207526952 U CN207526952 U CN 207526952U
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- CN
- China
- Prior art keywords
- rill
- patterned bottom
- wedge wheels
- polywedge bet
- wedge
- 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
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G5/00—V-belts, i.e. belts of tapered cross-section
- F16G5/20—V-belts, i.e. belts of tapered cross-section with a contact surface of special shape, e.g. toothed
-
- 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
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G5/00—V-belts, i.e. belts of tapered cross-section
- F16G5/04—V-belts, i.e. belts of tapered cross-section made of rubber
- F16G5/06—V-belts, i.e. belts of tapered cross-section made of rubber with reinforcement bonded by the rubber
- F16G5/08—V-belts, i.e. belts of tapered cross-section made of rubber with reinforcement bonded by the rubber with textile reinforcement
-
- 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
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/36—Pulleys
-
- 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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/02—Gearings for conveying rotary motion by endless flexible members with belts; with V-belts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Harvester Elements (AREA)
Abstract
The utility model is related to a kind of belt drive units with polywedge bet (1) and more wedge wheels (4), the polywedge bet has a driving side (3) of the setting there are one rib decorative pattern (2), there are one rills for more wedge wheel tools, wherein the width (5) of the patterned bottom (6) of rill (9) is more than or equal to the spacing (7) between rib top (8) and the patterned bottom (6) of rill (9), wherein by the edge radius (ri) of the patterned bottom (6) to these rill sides (12, 13) transition part (10 in, 11) spacing between determines the width (5) of the patterned bottom (6) of rill (9).
Description
Technical field
The utility model is related to a kind of belt drive unit with polywedge bet and more wedge wheels (i.e. belt pulley), the polywedge bets
With setting there are one a driving side of rib decorative pattern, more wedge wheels tool there are one rill decorative pattern, wherein more wedge wheels these
Rill accommodates these ribs of the polywedge bet.The utility model further relates to a kind of belt pulley for being formed as more wedge wheels and a kind of more wedges
Band, the belt pulley and the polywedge bet are contacted and are thus embodied with such belt drive unit and with existing each other
Uniquely, overall inventive concept.
Background technology
It it is known that with the belt drive unit of polywedge bet (KRR) being made of elastomeric material.In general, make herein
There are one molding driving side and a backs opposed with the driving side, substantially flat for polywedge bet tool, wherein should
Band has that there are one the infrastructure with rib decorative pattern, the layer of embedded stretching carrier and one from the molding driving side
Coating.These more wedge wheels are usually made of metal and are complementally formed and had (as depicted with these polywedge bets
) a rill decorative pattern, which accommodates these rills of the polywedge bet.
Transmitting the belt drive unit of power, mode is manufactured and in numerous embodiments in a different configuration is
Know.Here, these relevant polywedge bets and more wedge wheels in terms of its design and size generally especially in DIN 7867
It is standardized.Polywedge bet and more wedge wheels with section bar PJ, PK, PL and PM use in general machine-building, section bar
PH is preferably used in household fixture fields.Almost only make in the accessory part driver of motor vehicles (KFZ) engine
With the polywedge bet with PK section bars and more wedge wheels, these polywedge bets and more wedge wheels are distinguished by about 40 ° (in practice
40 ° +/- 3 °) angle of the flank and about 3.56 millimeters (3.56+/- 0.05 millimeter in practice) spacing.
In a series of belt drive units, multiple components are not only driven on the driving side of the driving band, these
Component arranges the corresponding belt pulley shaped on its transmission shaft, and is corresponding to turning to and putting down by means of so-called back flow roll
It is driven in the back belt to work on smooth belt pulley.Such as the polywedge bet driver in a motor vehicle engine
In often such case, wherein, the water pump as accessory part can be driven in the flat back belt.Tensioning
Roller is also often embodied as back flow roll.
Polywedge bet driver in motor vehicles can be designed as long service life, so being often able to realize now big
In 240,000 kilometers of service life.One of the reason of service life is long is to use based on heat-resisting synthetic rubber (such as ethylene-the third
Alkene-diene polymer (EPDM) and ethylene-propylene mixed polymer (EPM)) rubber composition.In addition, the service life is led to
It crosses the reduction to the polywedge bet thickness (from about 6 millimeters of values being reduced between 4 millimeters and 5 millimeters before) and significantly carries
It is high.Different from the triangular belt of often static tensioning, polywedge bet is generally tensioned with a kind of auto-tensioning system, so as to
Belt force as constant as possible is ensured under all service conditions.
No fixed road, coarse more stones area or region in use with polywedge bet vehicle in the case of, when
Finger stone 2-5 millimeters a diameter of raises and is likely to occur problem when entering tape drive under steam.Such stone can be attached
It between band rib and in race.These finger stones in slot or wheel generate large-scale abrasion at the band, very acutely
Ground changes these bands for rolling and sliding and can damage in operation tape drive.
So polywedge bet may for example be worn by infrastructure, band is broken and cord off-line
(Cordausspulungen) strong erosion.Cord off-line refer to cord from band compound in escape, often from this/this
One trimming of a little cords starts.This is especially caused by a kind of common manufacturing method of these polywedge bets, in the method, one
A anchor ring (" thick wrap (Rohwickel) ") constructs on a drum as " sandwich tape " and is subsequently cut into independent ring,
Cut into independent band.These cord plys rolled in process of production must necessarily be detached in cutting process and
May be the erosion location of damage in such a scenario.
The problem of finger stone/foreign matter of these invaded zone ribs and race, shields naturally preferably by with cover piece or protection cap
Or it encapsulates to solve.However many is wished to save cost associated therewith by the automaker of price pressure.If before
Large-scale cover board must be removed, quick band-exchange is also no longer feasible.
In addition it is possible that constructively strengthening these bands.However, " reinforcement " leads to more costs (due to making
With the material of high cost) or lead to more complicated manufacturing process.
JP H0882346 A disclose a kind of polywedge bet with V-arrangement section bar, and there are one by multiple layers of structure for polywedge bet tool
Into the bed course in the back belt, wherein, back fabric is used in apply during be laid with the increasing of (geschlagenen)
Strong line winding.The longitudinal crack of band and lateral turnup should be avoided as a result,.Disadvantageously however, which also receives sand
Or finger stone so that existing back flow roll generates abrasion as quick as thought in operation.
A kind of bilayer zone is disclosed in JP H07238993 A comprising the layer of the stretching carrier of these windings exists
Enhanced on per side by horizontal monofilament between stretching carrier layer and the V-arrangement section bar of these ribs.It should also keep away as a result,
Exempt from fracture or longitudinal crack.However, the manufacture of this construction is adversely especially high consuming.
A kind of wheel decorative pattern for the rill depth for having and reducing is illustrated in JP 2750799 (B2).However, when the belt
When transmission device is loaded with finger stone in operation, the small spacing between these rib tops and the rill bottom may cause very
Shorten the service life of the band in big degree.
As above-mentioned, PK bands and PK wheels (spacing with 3.56mm) are used only in field of motor vehicles, this
A little PK bands and PK wheels are substantially with following three kinds of specifications or standard orientation：
Since the maximum value of decorative pattern top radius, very wide rill depth model are all directed to without explanation in DIN and SAE standard
It is trapped among theoretically feasible.But in practice, can not find has>The wheel of the decorative pattern top radius of 0.5mm, because working as radius
During bigger, effective supporting surface of band reduces, this so that the abrasion of band in operation is caused to increase.As a result, as in JASO
In it is also specifically mentioned, so far, common rill depth is 3.1 mm of minimum in PK wheels.
Utility model content
The purpose of the utility model is to provide a kind of polywedge bet driving device, even if the polywedge bet driving device is not having
Have encapsulation it is simple and crude under the conditions of can also use and have in the case of the fracture of no band and cord off-line and long use the longevity
Life, and foreign matter is substantially avoided in the case of significant more costs for its construction or finger stone is embedded in wheel rill
Risk and wherein make to be absorbed in these finger stones between the rib top of band and the rill bottom of wheel to cause damage as small as possible.
This purpose is realized by the feature of main claim.Dependent claims disclose others and favorably set
Meter.
Here, the width of the patterned bottom of rill is greater than or equal to the spacing between rib top and the patterned bottom of rill, wherein logical
Spacing from the edge radius ri of the patterned bottom to these rill sides that cross between transition parts of determines the patterned bottom of rill
Width.
Thus the rill depth reduces as follows, that is, the foreign matter or finger stone invaded with high probability forcibly with the rill bottom
It contacts and therefore no longer sandwiches between these rill sides.
One is advantageously improved scheme and is, the spacing between rib top and the patterned bottom of rill is more than the patterned bottom of the rill
Width half.It means that allow in design according to the present utility model at the rill bottom of the wheel and these ribs simultaneously
Enough spacing between top.The foreign matter between the rib top of polywedge bet and the rill bottom of more wedge wheels or finger stone be no longer as a result,
Cause big damage, although because these foreign matters or finger stone are sandwiched in operation on " flat " patterned bottom, later
It can drop out again at once.
When constructing polywedge bet, the combination of these design elements is (in the area or area of coarse more stones of no fixed road
In domain as caused by finger stone) significantly improving for run time is caused in the case of above-mentioned load.
Be formed as more wedge wheels belt pulley (belt pulley together with such belt drive unit exist contacts ground body
Showed the design of the utility model), especially have and be advantageously formed as follows according to more wedge wheels of the PK section bars of DIN 7867,
So that the rill bottom of these rills or patterned bottom are substantially shaped as the semicircle with radius R (rill bottom radius), wherein R is big
In or equal to patterned bottom edge radius ri.One can be manufactured in a simple manner to be formed as by this method with only one
Radius rounded or preferably " semicircular " rill bottom.That is, then the patterned bottom has radius R (also referred to as rill bottoms
Radius), then the edge radius is between rill bottom radius and rill side and is transitioned into the latter in this case.
Another advantageous design is, the patterned bottoms of these rills be substantially shaped as semioval shape or half elliptic or
Trapezoidal.Even if necessarily being formed the mold of two transition to each other herein, i.e., for example on the one hand a flexible rill bottom with
Radius is adjacent to each other and the another side radius must be transitioned into the rill side, thus thus further strengthens passing through itself
The effect that flat rill bottom is realized, that is, prevent from sandwiching foreign matter or stone.
Other advantageous designs of more wedge wheels work in the same manner, such are：In the vertex on the decorative pattern top
Surface and the patterned bottom pole surface between the rill depth that measures be less than or equal to 2.9mm, preferably smaller than or wait
In 2.4mm.This is equally applicable to following advantageous design, which is：It is surveyed between decorative pattern top surface and decorative pattern bottom surface
The rill depth of amount is greater than or equal to 1.5mm, preferably greater than or equal to 2.0mm.
Another advantageous design is that rill bottom radius R is between 0.8 and 1.6mm.Therefore, the belt transmission
Device more significantly resists especially smaller stone, and therefore rill that these stones are hardly embedded in these wheels neutralizes these bands
In.Thus the service life of KRR bands and KRR wheels is significantly improved.
Design that another equally works, advantageous is that the rill bottom radius R of the patterned bottom is less than 1.4mm, preferably
Less than 1.1mm.
Also by a polywedge bet, (polywedge bet exists together with such belt drive unit to be embodied with contacting for this
The design of the utility model), especially have and strengthened, and the polywedge bet is preferably such as according to the polywedge bet of the PK section bars of DIN
It is formed lowerly so that the pattern depth is less than or equal to 2.1mm and is particularly between 1.6mm and 1.9mm.
The use of rill depth is 1.9mm when replacing according to DIN 7867, normal PK that rill depth is about 3.4mm wheel
Wheel when, close in practical test, one of KRR transmission devices in operation at regular intervals with a diameter of 0 to
The finger stone loading of 5mm, the service life of band are increased to 90-200h from 50-90h.
Description of the drawings
The utility model is explained in detail by means of one embodiment.It is shown in attached drawing
Fig. 1 shows a partial cross sectional of the belt drive unit with polywedge bet and more wedge wheels
Fig. 2 shows the another embodiments of the belt drive unit with polywedge bet and more wedge wheels
Fig. 3 shows the cross section of polywedge bet of the prior art
Specific embodiment
Fig. 1 shows a partial cross sectional of the belt drive unit with polywedge bet 1 and more wedge wheels 4, the polywedge bet
With setting there are one a driving side 3 of rib decorative pattern 2, more wedge wheels tool there are one rill decorative pattern, wherein more wedge wheels this
A little rills accommodate these ribs of the polywedge bet.The width 5 of the patterned bottom 6 of rill is more than between rib top 8 and the patterned bottom 6 of rill 9
Spacing 7.
Between between transition parts 10 and 11 of the edge radius ri of the patterned bottom into these rill sides 12 and 13
Away from the width 5 of the patterned bottom of rill 9 is determined, i.e., by the edge radius ri of adjoining rill bottom radius R to the rill side
These points in place of the transition of face.
Here, the spacing between rib top 8 and the patterned bottom 6 of rill 9 is more than the half of the width 5 of the patterned bottom of the rill.
Here, the patterned bottom of rill 9 is substantially shaped as the semicircle of the radius R with the patterned bottom/rill bottom so that should
Patterned bottom generally has the groove shape of semicircle.
The rill depth measured between the surface on the vertex on the decorative pattern top 22 and the surface of the pole of the patterned bottom 6 exists
This is 2.6mm, and the pattern depth of the polywedge bet with the PK section bars according to DIN 7867 is 1.8mm herein.
Fig. 2 shows have polywedge bet 1 and more wedge wheels 14, almost the same, belt transmission according to the present utility model
Another partial cross sectional of device, the polywedge bet have a driving side 3 of the setting there are one rib decorative pattern 2, more wedge wheel tools
There are one rill decorative pattern, these rills of wherein more wedge wheels accommodate these ribs of the polywedge bet.
However, the patterned bottom 15 of the rill of more wedge wheels 14 is substantially shaped as semioval shape or half elliptic herein,
In be formed as herein at ellipse semicircular rill bottom radius R, (not being shown specifically herein) the edge radius ri of the patterned bottom is adjacent
Connect these rill sides.
Fig. 3 also shows a partial cross sectional of belt drive unit from the prior art, having polywedge bet 16
For comparing.Here, the width 17 of the patterned bottom 18 of shown rill 19 than rib top 21 and the rill 19 patterned bottom 18 it
Between spacing 20 it is much smaller so that foreign matter or stone can be sandwiched easily in the decorative pattern rill under situation described above.
Reference sign
(part of specification)
1 polywedge bet
2 rib decorative patterns
3 driving sides
Wedge wheel more than 4
The width of 5 patterned bottoms
6 patterned bottoms
Spacing between 7 rib tops and patterned bottom
8 rib tops
9 rills
10 transition parts
11 transition parts
12 rill sides
13 rill sides
Wedge wheel more than 14
15 patterned bottoms
16 polywedge bets (prior art)
The width (prior art) of 17 patterned bottoms
18 patterned bottoms (prior art)
19 rills (prior art)
20 spacing (prior art)
21 rib tops
22 decorative pattern tops
Claims (16)
1. the belt drive unit with polywedge bet (1) and more wedge wheels (4), which has setting, and there are one rib decorative patterns (2)
A driving side (3), for more wedge wheels tool there are one rill, these rills (9) of wherein more wedge wheels (4) accommodate the polywedge bet
(1) these rib decorative patterns, which is characterized in that the width (5) of the patterned bottom of rill (9) is more than or equal to rib top (8) and rill (9)
Patterned bottom between spacing (7), wherein the transition part by the edge radius ri of the patterned bottom in rill side (12,13)
Spacing between (10,11) determines the width (5) of the patterned bottom of rill (9).
2. belt drive unit according to claim 1, which is characterized in that rib top (8) are between the patterned bottom of rill
Spacing is more than the half of the width of the patterned bottom of rill.
3. more wedge wheels in belt drive unit according to claim 1 or 2, which is characterized in that these rills are somebody's turn to do
Patterned bottom is substantially shaped as the semicircle with radius R, and wherein R is greater than or equal to the edge radius ri of the patterned bottom.
4. more wedge wheels according to claim 3, which is characterized in that more wedge wheels are with the PK types according to DIN 7867
More wedge wheels of material.
5. more wedge wheels according to claim 3, which is characterized in that the patterned bottom of these rills is substantially shaped as half ovum
Shape or half elliptic are trapezoidal.
6. more wedge wheels according to claim 5, which is characterized in that more wedge wheels are with the PK types according to DIN 7867
More wedge wheels of material.
7. more wedge wheels according to claim 5, which is characterized in that the radius R of the patterned bottom is 0.8 to 1.6mm.
8. more wedge wheels according to claim 7, which is characterized in that the radius R of the patterned bottom is less than 1.4mm.
9. more wedge wheels according to claim 8, which is characterized in that the radius R of the patterned bottom is less than 1.1mm.
10. more wedge wheels according to claim 8, which is characterized in that surface and the flower in the vertex of decorative pattern top (22)
The rill depth measured between surface at the pole at line bottom is less than or equal to 2.9mm.
11. more wedge wheels according to claim 10, which is characterized in that the surface in the vertex on the decorative pattern top (22) is with being somebody's turn to do
The rill depth measured between surface at the pole of patterned bottom is less than or equal to 2.4mm.
12. more wedge wheels according to claim 11, which is characterized in that on the surface on the decorative pattern top (22) and the patterned bottom
The rill depth measured between surface is greater than or equal to 1.5mm.
13. more wedge wheels according to claim 12, which is characterized in that on the surface on the decorative pattern top (22) and the patterned bottom
The rill depth measured between surface is greater than or equal to 2.0mm.
14. the polywedge bet in belt drive unit according to claim 1 or 2, which is characterized in that pattern depth is less than
Or equal to 2.1mm.
15. polywedge bet according to claim 14, which is characterized in that the polywedge bet is with the PK according to DIN 7867
The polywedge bet of section bar.
16. polywedge bet according to claim 14, which is characterized in that the pattern depth be more than or equal to 1.6mm and less than etc.
In 1.9mm.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014213781.0 | 2014-07-16 | ||
| DE102014213781.0A DE102014213781A1 (en) | 2014-07-16 | 2014-07-16 | Belt drive with V-ribbed pulley and V-ribbed belt |
| PCT/EP2015/061615 WO2016008630A1 (en) | 2014-07-16 | 2015-05-27 | Belt drive with v-ribbed disk and v-ribbed belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207526952U true CN207526952U (en) | 2018-06-22 |
Family
ID=53276855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201590000813.9U Active CN207526952U (en) | 2014-07-16 | 2015-05-27 | Belt drive unit with polywedge bet and more wedge wheels |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN207526952U (en) |
| BR (1) | BR112016030234B1 (en) |
| DE (1) | DE102014213781A1 (en) |
| WO (1) | WO2016008630A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3430100A1 (en) * | 1984-08-16 | 1986-02-27 | Winkelmann & Pannhoff Gmbh, 4730 Ahlen | V-belt pulley having a V-shaped groove with a matched radius |
| US5147249A (en) * | 1991-08-26 | 1992-09-15 | Emerson Electric Co. | Power transmission multi-groove sheave and method of manufacturing the same |
| JP2750799B2 (en) | 1992-11-04 | 1998-05-13 | 三ツ星ベルト株式会社 | Method and device for attaching sound-suppressing component to V-ribbed belt |
| JP2848513B2 (en) | 1994-02-28 | 1999-01-20 | 三ツ星ベルト株式会社 | Double V-ribbed belt |
| JP3451561B2 (en) | 1994-09-13 | 2003-09-29 | バンドー化学株式会社 | V-ribbed belt |
| JP5580523B2 (en) * | 2008-08-29 | 2014-08-27 | バンドー化学株式会社 | Belt transmission device and transmission belt used therefor |
-
2014
- 2014-07-16 DE DE102014213781.0A patent/DE102014213781A1/en active Pending
-
2015
- 2015-05-27 BR BR112016030234-6A patent/BR112016030234B1/en active IP Right Grant
- 2015-05-27 CN CN201590000813.9U patent/CN207526952U/en active Active
- 2015-05-27 WO PCT/EP2015/061615 patent/WO2016008630A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| DE102014213781A1 (en) | 2016-01-21 |
| BR112016030234A2 (en) | 2017-08-22 |
| WO2016008630A1 (en) | 2016-01-21 |
| BR112016030234B1 (en) | 2021-07-27 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |