WO2016008630A1 - Transmission par courroie à poulie à gorges et à courroie trapézoïdale - Google Patents

Transmission par courroie à poulie à gorges et à courroie trapézoïdale Download PDF

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Publication number
WO2016008630A1
WO2016008630A1 PCT/EP2015/061615 EP2015061615W WO2016008630A1 WO 2016008630 A1 WO2016008630 A1 WO 2016008630A1 EP 2015061615 W EP2015061615 W EP 2015061615W WO 2016008630 A1 WO2016008630 A1 WO 2016008630A1
Authority
WO
WIPO (PCT)
Prior art keywords
ribbed
profile
belt
groove
equal
Prior art date
Application number
PCT/EP2015/061615
Other languages
German (de)
English (en)
Inventor
Henning Kanzow
Tim Fiss
Original Assignee
Contitech Antriebssysteme Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Contitech Antriebssysteme Gmbh filed Critical Contitech Antriebssysteme Gmbh
Priority to CN201590000813.9U priority Critical patent/CN207526952U/zh
Priority to BR112016030234-6A priority patent/BR112016030234B1/pt
Publication of WO2016008630A1 publication Critical patent/WO2016008630A1/fr

Links

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

Definitions

  • the invention relates to a belt drive comprising a V-ribbed belt having a ribbed drive side and a V-ribbed pulley, i.
  • Pulley having a groove profile, wherein the grooves of the pulley take up the ribs of the V-ribbed belt. Furthermore, the invention relates to a pulley formed as a V-ribbed pulley and a V-ribbed belt, which are associated with such a belt drive and with each other and thus embody a single, general inventive idea.
  • V-ribbed belts made of elastomeric material
  • the V-ribbed belts used here generally have a profiled drive side and a substantially smooth back opposite the drive side, wherein the belt, starting from the profiled drive side, has a substructure with a ribbed profile, a layer of embedded tension carriers and a cover layer.
  • the V-ribbed discs are usually made of metal and complementary to the V-ribbed belts and, as stated, have a groove profile which receives the ribs of the V-ribbed belt.
  • Power-transmitting belt drives are manufactured in different designs and are known in a variety of designs. In their essential designs and dimensions, the associated V-ribbed belts and V-ribbed discs are u.a. standardized in DIN 7867.
  • V-ribbed belts and disks with the profiles PJ, PK, PL and PM are used in general mechanical engineering, the profile PH preferably in
  • the auxiliary drive of motor vehicles almost exclusively uses V-ribbed belts and discs with PK-profiles, which are replaced by a Flank angle of about 40 ° (in practice 40 +/- 3 0 ) and a pitch of about 3.56 mm (in practice of 3.56 +/- 0.05mm) distinguished.
  • V-ribbed belt drives in motor vehicles can be designed for a long service life, so today a lifetime of more than 240,000 km is often feasible.
  • a lifetime of more than 240,000 km is often feasible.
  • Rubber compounds based on thermally stable, synthetic rubbers such as ethylene-propylene-diene copolymer (EPDM) and ethylene-propylene copolymer (EPM). Furthermore, the service life was significantly increased by reducing the V-ribbed belt thickness from the previous approx. 6 mm to values between 4 and 5 mm. In contrast to the V-belt, which is often stretched statically
  • V-ribbed belts are usually tensioned with an automatic tensioning system in order to be able to guarantee the most constant possible belt force under all operating conditions.
  • V-ribbed vehicles When using V-ribbed vehicles in rough, rocky or non-paved areas, you may experience problems when small pebbles with diameters of 2-5 mm are whirled up and get into the belt drive. Such stones can become lodged both between the belt ribs and in the pulley grooves. The pebbles in grooves or discs produce a massive abrasion on the belt, change the course and slip very strong and can damage the belts of a belt drive during circulation.
  • a V-ribbed belt can be heavily attacked, for example by abrasion of the substructure, belt splits and Cordaus. Under Cordausspulung means the emergence of cords from the belt composite, often starting with a Thomas negligence the / the cords. This results inter alia from a conventional production method of
  • V-ribbed belt in which a toms ("Rohwickel") as a "multi-belt" on a
  • the cord layers wound up during this production must necessarily be cut when cut and, under the circumstances mentioned, can be used for damage. be .
  • JP H0882346 A discloses a V-ribbed V-ribbed belt which has a multi-ply overlay on the belt back, with a back fabric wrapped with reinforcing yarns struck during application. As a result, longitudinal cracks and lateral turning of straps should be avoided.
  • the back fabric absorbs sand or small stones, so that existing back rollers wear out very quickly during operation.
  • JP H07238993 A a double V-belt is disclosed, in which the layer containing the wound tension carrier is reinforced on each side by transverse monofilaments between Switzerlandanilage and V-profile of the ribs, the. By this means too Splits or longitudinal cracks are avoided.
  • the production of this construction is disadvantageously extremely expensive.
  • JP2750799 shows a disk profile with a reduced groove depth.
  • the small distance between the rib heads and the groove bottom would lead to a greatly shortened life of the belt when the belt drive is acted upon in operation with pebbles.
  • PK belts and PK disks (with a pitch of 3.56 mm) are used, which are based essentially on the following three specifications or standards:
  • the object was to provide a V-ribbed belt drive, which is used even under harsh conditions without encapsulation and a long
  • the width of the profile base of a groove is greater than or equal to the distance between the rib head and the profile base of a groove, wherein the width of the profile base of a groove by the distance between the transitions of the edge radii r; of
  • the groove depth is thus reduced so that penetrating foreign body or
  • a trained as a V-ribbed pulley which together with such a belt drive the inventive idea embodies, in particular a V-ribbed discs with a PK profile according to DIN 7867, is advantageously designed so that the groove bottom or profile bottom of the grooves substantially as a semicircle with a radius R (groove base radius) is formed, wherein R is greater than or equal to the edge radius r; of the profile reason is.
  • a groove bottom formed in this way with only one radius round, or better "half-round", can be produced in a simple manner
  • the profile base thus has a radius R, also called the groove base radius, whereafter the edge radius lies between the groove base radius and groove flank and in the latter passes .
  • a further advantageous embodiment is that the profile base of the grooves is designed substantially as a half-oval or half-ellipse or trapezoidal.
  • two interlocking shapes have to be formed here, that is to say, for example, if, on the one hand, a slightly curved groove bottom and a radius adjoin one another and, on the other hand, the radius has to merge into the groove flank, then the effect that is inherently shallow is the result Grove reason is achieved, namely the prevention of trapping foreign bodies or stones, thereby further reinforced ..
  • V-ribbed disc is such that the groove depth, measured between the surface at the zenith of the profile head and the surface at the apex of the profile base, is less than or equal to 2.9 mm, preferably less than or equal to 2.4 mm.
  • the groove depth, measured between the surface of the profile head and the surface of the profile base is greater than or equal to 1.5 mm, preferably greater than or equal to 2.0 mm.
  • a further advantageous embodiment is that the groove base radius R is between 0.8 and 1.6 mm.
  • the belt drive is thus much more resistant to especially smaller stones, which barely in the grooves of the discs and in the Belts are stored. This significantly increases the service life of the KRR belts and pulleys.
  • RiUengrundradius R of the profile reason is less than 1.4 mm, preferably less than 1.1 mm.
  • V-ribbed belt which together with such a belt drive the inventive idea embodies, in particular a V-ribbed belt with a PK profile according to DIN, and is advantageously designed so that the tread depth is less than or equal to 2.1 mm is and in particular between 1.6 mm and 1.9 mm.
  • FIG. 1 shows a partial cross section of a belt drive with a
  • Fig. 2 shows another embodiment of a belt drive with a
  • Fig. 3 shows the cross section of a V-ribbed belt of the prior art
  • Fig. 1 shows a partial cross section of a belt drive with a V-ribbed belt 1, which has a provided with a rib profile 2 drive side 3 and a
  • V-ribbed disc 4 which has a groove profile, wherein the grooves of the pulley pick up the ribs of the V-ribbed belt.
  • the width 5 of the profile base 6 of a groove is greater than the distance 7 between the rib head 8 and the profile base 6 of a groove 9.
  • the width 5 of the profile base of the groove 9 is by the distance between the transitions 10 and 11 of the edge radii r; of the profiled ground into the groove flanks 12 and 13, i. through the points where the adjoining the Rillengroundradius R
  • Edge radius r merges into the groove flank.
  • the distance between the rib head 8 and 6 base profile of the groove 9 is greater here than half the width 5 of the profile base of the groove.
  • the profiled bottom of the groove 9 is here essentially designed as a half round with a radius R of the profiled ground / groove bottom, so that overall the profiled ground has a semicircular trough shape.
  • FIG. 2 shows a further partial cross-section of a nearly identical fiction, contemporary belt drive with a V-ribbed belt 1, which has a provided with a rib profile 2 drive side 3 and a V-ribbed disc 14 having a groove profile, wherein the grooves of the pulley receive the ribs of the V-ribbed belt.
  • the profile base 15 of the grooves of the V-ribbed disc 14 is here, however, designed substantially as a half-oval or half-ellipse, wherein at the here as Ellipsenschnik formed groove base radius R not shown edge radius r; of the profiled ground adjoins the groove flanks.
  • Fig. 3 shows, for comparison, a partial cross-section of a belt drive with a
  • V-ribbed belt 16 of the prior art is the width 17 of the profile reason 18 of the groove 19 shown much smaller than the distance 20 between the rib head 21 and the profile base 18 of the groove 19, so that it can easily come in the above-mentioned cases for trapping foreign bodies or stones in the tread groove.

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

L'invention concerne une transmission par courroie, à courroie trapézoïdale (1) qui présente une partie d'entraînement (3) pourvue d'un profil nervuré (2), et à poulie à gorges (4) qui présente un profil rainuré, la largeur (5) de la base de profil (6) d'une gorge (9) étant supérieure ou égale à la distance (7) entre une tête de nervure (8) et une base de profil (6) d'une gorge (9), la largeur (5) de la base de profil (6) d'une gorge (9) étant déterminée par la distance entre les transitions (10, 11) des rayons des bords (r1) de la base de profil (6) dans les flancs des gorges (12, 13).
PCT/EP2015/061615 2014-07-16 2015-05-27 Transmission par courroie à poulie à gorges et à courroie trapézoïdale WO2016008630A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201590000813.9U CN207526952U (zh) 2014-07-16 2015-05-27 具有多楔带和多楔轮的皮带传动装置
BR112016030234-6A BR112016030234B1 (pt) 2014-07-16 2015-05-27 Polia trapezoidal nervurada em um acionamento por correia

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014213781.0A DE102014213781A1 (de) 2014-07-16 2014-07-16 Riementrieb mit Keilrippenscheibe und Keilrippenriemen
DE102014213781.0 2014-07-16

Publications (1)

Publication Number Publication Date
WO2016008630A1 true WO2016008630A1 (fr) 2016-01-21

Family

ID=53276855

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/061615 WO2016008630A1 (fr) 2014-07-16 2015-05-27 Transmission par courroie à poulie à gorges et à courroie trapézoïdale

Country Status (4)

Country Link
CN (1) CN207526952U (fr)
BR (1) BR112016030234B1 (fr)
DE (1) DE102014213781A1 (fr)
WO (1) WO2016008630A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3430100A1 (de) * 1984-08-16 1986-02-27 Winkelmann & Pannhoff Gmbh, 4730 Ahlen Keilriemenscheibe mit radienangepasster v-foermiger rille
EP0530131A1 (fr) * 1991-08-26 1993-03-03 Emerson Electric Co. Poulie à gorges multiples et son procédé de fabrication
JPH07238993A (ja) 1994-02-28 1995-09-12 Mitsuboshi Belting Ltd ダブルｖリブドベルト
JPH0882346A (ja) 1994-09-13 1996-03-26 Bando Chem Ind Ltd Ｖリブドベルト
JP2750799B2 (ja) 1992-11-04 1998-05-13 三ツ星ベルト株式会社 Ｖリブドベルトなどへの発音抑止成分付着方法および 同成分付着装置
US20110160014A1 (en) * 2008-08-29 2011-06-30 Bando Chemical Industries, Ltd. Belt transmission system and belt used in the system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3430100A1 (de) * 1984-08-16 1986-02-27 Winkelmann & Pannhoff Gmbh, 4730 Ahlen Keilriemenscheibe mit radienangepasster v-foermiger rille
EP0530131A1 (fr) * 1991-08-26 1993-03-03 Emerson Electric Co. Poulie à gorges multiples et son procédé de fabrication
JP2750799B2 (ja) 1992-11-04 1998-05-13 三ツ星ベルト株式会社 Ｖリブドベルトなどへの発音抑止成分付着方法および 同成分付着装置
JPH07238993A (ja) 1994-02-28 1995-09-12 Mitsuboshi Belting Ltd ダブルｖリブドベルト
JPH0882346A (ja) 1994-09-13 1996-03-26 Bando Chem Ind Ltd Ｖリブドベルト
US20110160014A1 (en) * 2008-08-29 2011-06-30 Bando Chemical Industries, Ltd. Belt transmission system and belt used in the system

Also Published As

Publication number Publication date
DE102014213781A1 (de) 2016-01-21
BR112016030234B1 (pt) 2021-07-27
CN207526952U (zh) 2018-06-22
BR112016030234A2 (pt) 2017-08-22

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