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WO2009036819A2 - Module de transmission par chaîne à glissière de serrage ou de glissement permettant un blocage - Google Patents

Module de transmission par chaîne à glissière de serrage ou de glissement permettant un blocage Download PDF

Info

Publication number
WO2009036819A2
WO2009036819A2 PCT/EP2008/004033 EP2008004033W WO2009036819A2 WO 2009036819 A2 WO2009036819 A2 WO 2009036819A2 EP 2008004033 W EP2008004033 W EP 2008004033W WO 2009036819 A2 WO2009036819 A2 WO 2009036819A2
Authority
WO
WIPO (PCT)
Prior art keywords
chain
drive module
sprocket
chain drive
slide rail
Prior art date
Application number
PCT/EP2008/004033
Other languages
German (de)
English (en)
Other versions
WO2009036819A3 (fr
Inventor
Sandra Ketterl
Michael Weikert
Ingo Stenzel
Original Assignee
Iwis Motorsysteme Gmbh & Co. Kg
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 Iwis Motorsysteme Gmbh & Co. Kg filed Critical Iwis Motorsysteme Gmbh & Co. Kg
Publication of WO2009036819A2 publication Critical patent/WO2009036819A2/fr
Publication of WO2009036819A3 publication Critical patent/WO2009036819A3/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
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes or chains 
    • 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
    • F16H7/08—Means for varying tension of belts, ropes or chains 
    • F16H2007/0802—Actuators for final output members
    • F16H2007/0812—Fluid pressure
    • 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
    • F16H7/08—Means for varying tension of belts, ropes or chains 
    • F16H2007/0863—Finally actuated members, e.g. constructional details thereof
    • F16H2007/0872—Sliding members
    • 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
    • F16H7/08—Means for varying tension of belts, ropes or chains 
    • F16H2007/0863—Finally actuated members, e.g. constructional details thereof
    • F16H2007/0874—Two or more finally actuated members
    • 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
    • F16H7/08—Means for varying tension of belts, ropes or chains 
    • F16H2007/0876—Control or adjustment of actuators
    • F16H2007/0878—Disabling during transport
    • 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
    • F16H7/08—Means for varying tension of belts, ropes or chains 
    • F16H2007/0889—Path of movement of the finally actuated member
    • F16H2007/0893—Circular path
    • 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
    • F16H7/08—Means for varying tension of belts, ropes or chains 
    • F16H2007/0889—Path of movement of the finally actuated member
    • F16H2007/0895—Internal to external direction

Definitions

  • the present invention relates to a chain drive module with at least one sprocket, the at least one sprocket at least partially laterally overlapping base body, a run around the at least one sprocket chain and a voltage applied to the chain and arranged on the base body clamping or slide rail.
  • Such a chain drive module is e.g. known from DE 20204039 U1.
  • a slide rail and a clamping rail are arranged, which rest on a chain guided around the chain wheels.
  • the support body has receiving pockets for the sprockets, so that they are secured in the axial direction for the transport and assembly process.
  • One of the pockets is formed only when mounting the sprockets and chain by a holding element is locked to the support body.
  • the pockets of the support body covers two of the sprockets on both sides and the retaining element additionally secured sprocket at least on one side.
  • Such chain drive modules are mounted as preassembled units to an internal combustion engine. Due to the pre-assembly, the overall assembly process in the automotive plant is simplified considerably. Such units can also be inserted by robot in slots provided in an engine block. The base body remains on the engine block and serves to attach the functional parts, e.g. Slide rail and / or clamping rail.
  • DE 20207186 U1 also discloses preassembled drive means units in which at least one sprocket wheel is replaced by an assembly aid.
  • the clamping or sliding rail has at least one extension which covers the at least one sprocket laterally and secures the at least one sprocket at least in a transport and handling position.
  • an already existing on the base body clamping or slide rail is used to secure the at least one sprocket laterally. Additional space for an additional part therefore does not have to be provided.
  • this measure has the advantage that the greatest possible coverage of the sprocket can be achieved and lateral tilting of the at least one sprocket can thereby be well prevented.
  • the tension or slide rail and the base body thus together form a receiving pocket in which the at least one sprocket is located. After installation on the engine, the at least one sprocket is then no longer as possible with the base body or the tension or slide rail in touch. Roller chains, sleeve chains or toothed chains can be used as chains.
  • the at least one extension laterally offset from the middle of the tensioning or slide rail can be arranged on the pressure area of the tensioning or slide rail resting against the chain and projecting beyond this in the longitudinal direction of the tensioning or slide rail.
  • the extension can be laterally flanged to the pressure region or integrally connected thereto.
  • a lateral projection may be sufficient here, the thickness of which does not exceed the extent of the sleeve or roller chain projecting laterally beyond the sprocket on one side or only to a small extent.
  • the clamping or sliding rail have a laterally arranged plug-in device, by means of which a connection to the base body is made.
  • the tensioning or sliding rail thus allows easy pre-assembly of the chain drive module and final securing by attaching the clamping or slide rail.
  • this Aufsteckvorgang can only be a part of the slide rail or clamping rail, such as the sliding coating, while the base body of the rail is already arranged on the base body.
  • the attachment is preferably carried out on the end of a clamping piston of a clamping device.
  • This clamping device is then preferably arranged on the base body be.
  • an arrangement of the clamping device on the engine block is also possible in principle.
  • a slide with a corresponding extension of the base body may have a plug-in device which is plugged with the plug-in device on the slide rail.
  • a slide rail does not have to move in use, which is why a plugged arrangement can also be configured as a non-movable fixed arrangement.
  • both a slide rail and a clamping device with clamping rail are arranged on the base body.
  • the slide or the clamping rail or both rails can be configured with an extension.
  • the base body may be formed as a one-sided substantially adjacent to the at least one sprocket and the chain arranged module plate. Since the base body must also subject to space restrictions, this is preferably designed as a flat module plate. As a result, it is also possible to produce relatively large unilateral overlaps of the sprockets, so that good stability for the transport and assembly process is present at least in one direction through the module plate.
  • the module plate desirably has at least one laterally outwardly over the chain projecting portion with a fastening device on. The attachment of the entire unit thus takes place outside the looping area. The assembly is thereby clearer.
  • the chain drive module can also correspond in width to as many installation space specifications, in one variant, the module plate in the region of the at least one sprocket on the at least one sprocket facing projection, wherein the measured parallel to the axial direction of the at least one sprocket distance between the at least a projection and the at least one extension on the clamping or sliding rail is smaller than the width of the chain.
  • the lateral support of the sprocket is then mainly on the projection, which can be brought very close to the sprocket, while the rest of the module plate extends at a greater distance to the sprockets and thus sufficient space for functional parts is available.
  • the module plate may be formed together with the housing of the clamping device as a casting.
  • a stable module plate and, on the other hand, a functional part are integrated directly into a simple production method.
  • the pressure conditions present in the housing of the clamping device can be very well accommodated by means of a casting.
  • aluminum die casting gray cast iron or injection molding can come.
  • An embodiment as a formed part, welding and / or soldering would also be conceivable.
  • the slide can be locked to the base body.
  • Locking connections usually represent a tool-free mounting option that can be performed very accurate and dimensionally accurate.
  • a pressing surface of the pressing region of the tensioning and sliding rail and the adjacent surface of the at least one extension merge into one another without parallel in at least one direction.
  • the pressure area and the extension can thus no longer be distinguished from one another. At the end of the pressure range, this simply stops and the extension can be continued uniformly, whereby interaction of the extension with the chain in the engagement area with the sprocket can be avoided.
  • two sprockets may be provided around which the chain is guided, with the tensioning device and the slide disposed between the sprockets are, the slide rail arcuate (bent away from the chain) is configured and at the opposite ends in each case has an extension for the one and for the other sprocket.
  • a single slide secures two sprockets.
  • the at least one sprocket can laterally cover at least one sixth of the sprocket diameter.
  • the invention relates to a tensioning or slide rail for a chain drive module according to one of claims 1 to 15.
  • the rail is characterized in that a can be applied to a chain pressure region is provided and at least one extension laterally beyond the pressure in Longitudinal direction of the clamping or sliding rail protrudes, wherein by means of the at least one extension of a sprocket at least in a transport and handling position is securable.
  • FIG. 1 is a front view of a chain drive module according to the invention
  • FIG. 2 shows the chain drive module from FIG. 1 in a perspective rear view
  • FIG. 3 shows the chain drive module from FIG. 1 in a side view, the chain being omitted for reasons of clarity, FIG.
  • FIG. 6 is a side view of the slide rail of FIG. 5,
  • the chain drive module 1 shown in Fig. 1 and 2 comprises a small, arranged below sprocket 2, a large, top-mounted sprocket 3, one to the sprockets 2 and 3 laid around chain 4, a module plate 5, a tensioning device 6 with on de chain 4 fitting clamping rail 7 and a voltage applied to the chain 4 slide 8.
  • the chain 4 is a roller chain, which is tensioned from the inside to the outside due to the interaction of the slide rail 8 and the tensioning device 6 between the two sprockets 2 and 3.
  • the chain 4 is shown both in the transport position and in the bias position.
  • a locking pin 9 is provided, which is inserted into an opening 10 in the clamping rail 7 and an opening 11 aligned therewith in the module plate 5.
  • the clamping device 6 comprises an integrally formed with the module plate 5 housing 12 and a displaceably arranged in the housing 12 clamping piston (not shown), on the protruding end of the clamping rail 7 is arranged.
  • the module plate 5 On the back, the module plate 5 has a ring-shaped circumferential, machined on its upper side sealing web 13 which surrounds an inlet chamber 14 with inlet opening 15. The inlet chamber 14 and the inlet opening 15 communicate with the interior of the housing 12 in connection.
  • the module plate 5 is preferably an aluminum diecast part, the two laterally over the chain
  • the rest of the module plate 5 is designed so that it extends laterally next to both the lower sprocket 2 and the upper sprocket 3 and thus covers them laterally.
  • the module plate 5 is formed with a respective raised contact web 20, 21.
  • the contact webs 20, 21 move relatively close to the side surfaces of the sprockets 2 and 3 zoom, so that for handling and transport a close-up support surface is formed.
  • 5 corresponding recesses 20.1 and 21.1 are provided on the back of the module plate.
  • a window 23 which is configured in a manner to be described in more detail for the locking of the slide rail 8.
  • a locking shoulder 24 located at the back of the window 23 a locking shoulder 24, the in the form of a step allows a lying within the main plane of the mounting plate 5 latching connections.
  • the slide rail 8 has a pressing portion 25 which is located in the central portion of the slide rail 8 and extends over almost the entire width.
  • a latching hook 26 which can be latched to the locking shoulder 24 on the module plate 5.
  • the height of the latching hook 26, as well as the embodiment of the latching lug are chosen so that a latching on the locking shoulder 24 is possible without the latching hook 26 projecting obstructive on the back of the module plate. It can be seen from FIGS.
  • an insertion opening 27 which is open from the side of the latching hook 26 is formed in the pressing region 25 and thus can be plugged onto the mounting plate 22 on the front side of the module plate 5 in an essentially fitting manner.
  • the plug-in opening 27 is closed towards the pressing surface 28 of the pressing region 25 and designed to be open on its opposite side, so that there is no impact with the housing 12 of the tensioning device 6.
  • the Aufstecksteg 22 and the plug-in opening 27 are dimensionally so closely coordinated that a positionally accurate positioning of the slide 8 takes place, wherein the latching by means of the latching hook 26 on the locking shoulder 24 is a positional fixation.
  • a contact surface 29 of the pressing region 25 comes to rest with the front of the module plate 5.
  • the shape of the pressing portion 25 is chosen so that it is formed substantially accurately between the two sprockets 2 and 3 and provides support for the toothed areas of the sprockets 2 and 3 due to its support surfaces 30 and 31 in the handling and transport position.
  • the slide rail 8 also has upwardly and downwardly continued projections 34, 35 which in the front and the rear view (FIGS. 5 and 8) have approximately a curved fin shape in each case.
  • These extensions 34 and 35 merge, so to speak, with the pressing region 25 and merge seamlessly into the pressing surface 28 on its front side.
  • the extensions 34 and 35 each cover the associated sprocket 2 and 3 laterally.
  • the upper extension 34 covers the upper sprocket 3 to almost 50% of its diameter. When lower sprocket 2, the coverage is slightly lower. There, the overlap is about 40% of the diameter of the sprocket 2.
  • the slide rail 8 has in the region of the extensions 34, 35 on its front recesses 36, 37 in order to avoid material accumulation.
  • the extensions 34, 35 extend away from the chain 4, so that an approach towards the center line of the chain drive module 1 occurs. Due to the interplay of the extensions 34, 35, the support surfaces 30, 31 at the pressure region 25, the support surfaces 32, 33 on the clamping rail 7 and the contact webs 20, 21 on the module plate 5, receiving pockets for the lower and upper sprocket 2, 3 are formed which form a secure positioning of the same in conjunction with the laid-around chain 4 for handling and transport. The width B ⁇ of the receiving pockets is less than the width of the chain. 4
  • the lower sprocket 2 has a toothed opening 38 and these evenly grouped savings openings 39, which serve to save material.
  • the upper sprocket 3 is provided with a central receiving opening 40 and with these equally spaced savings openings 41. Furthermore, the upper sprocket 3 has a collar 42 which points away from the module plate 5 and surrounds the receiving opening 40.
  • the illustrated chain drive module 1 is used to provide an accessory drive in an internal combustion engine and represents a very compact modular unit that is extremely space-constraining. In the present exemplary embodiment, it is a balancing shaft module for a twin-shaft drive for internal combustion engines. Due to simple Aufsteckens the slide 8 is an axial backup of the sprockets 2 and 3 and chain 4 in the pre-assembly of the chain drive module 1. The entire unit can be handled safely for transport and assembly.
  • the securing pin 9 is preferably unlocked already after the mounting of the slide rail 8, since this is mainly used to facilitate the assembly of the chain drive module 1 itself and not necessarily for the transport and further handling of the chain drive module 1 is needed ,
  • the module plate 5 is on screwed their predetermined position by means of fastening eyes 18, 19.
  • the sealing web 13 comes with a corresponding pad on the engine block in touch and it is so automatically established a connection to the engine oil hydraulic, which supplies the tensioning device 6.
  • the clamping piston (not shown) is pressed in the pressureless state by a arranged in the interior of the housing 12 compression spring (also not shown) in its bias position.
  • the associated shaft ends (not shown) are respectively inserted into the toothed opening 38 and the receiving opening 40.
  • the sprockets 2 and 3 are both centered on these shaft ends and arranged in their axial direction, the sprockets 2, 3 with none of the components of the receiving pockets, namely the contact webs 20, 21, the support surfaces 30-33 and the extensions 34, 35 more in touch, so that a smooth operation is granted.
  • these elements serve for the secure pre-positioning of the sprockets 2, 3.
  • the sprockets 2, 3 are already laterally secured against "slipping out” by the corresponding shaping of the slide rail 8 and the tensioning rail 7.
  • the aforementioned safety device could but also be integrated into the tensioning rail 7.
  • the described solution is designed in particular by the given installation space restrictions and fixing position (eg outside the bedplate due to closed chain case) as an internal clamping system
  • the module securing remains after installation of the chain drive in the motor, since it is attached to a functional part the slide 8 is integrated.
  • This type of fuse is also basically suitable for a multi-shaft drive with more than two sprockets.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Chain Conveyers (AREA)
  • Framework For Endless Conveyors (AREA)

Abstract

L'invention concerne un module de transmission par chaîne qui comprend au moins une roue dentée, un corps de base recouvrant latéralement au moins partiellement la roue dentée, une chaîne conduite autour de la roue dentée, ainsi qu'une glissière de serrage ou de glissement placée sur le corps de base et s'appuyant contre la chaîne. Cette glissière présente au moins un prolongement qui recouvre latéralement la roue dentée et la bloque au moins dans une position de transport et de manipulation.
PCT/EP2008/004033 2007-09-12 2008-05-20 Module de transmission par chaîne à glissière de serrage ou de glissement permettant un blocage WO2009036819A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200720012761 DE202007012761U1 (de) 2007-09-12 2007-09-12 Kettentrieb-Modul mit sichernder Spann- oder Gleitschiene
DE202007012761.8 2007-09-12

Publications (2)

Publication Number Publication Date
WO2009036819A2 true WO2009036819A2 (fr) 2009-03-26
WO2009036819A3 WO2009036819A3 (fr) 2009-06-18

Family

ID=39739368

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/004033 WO2009036819A2 (fr) 2007-09-12 2008-05-20 Module de transmission par chaîne à glissière de serrage ou de glissement permettant un blocage

Country Status (2)

Country Link
DE (1) DE202007012761U1 (fr)
WO (1) WO2009036819A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110980136A (zh) * 2019-12-05 2020-04-10 深圳市奥图机电设备有限公司 一种三倍速链新型传动机构
DE102018130732A1 (de) 2018-11-23 2020-05-28 Iwis Motorsysteme Gmbh & Co. Kg Montagemodul mit Hakenelement

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011007155B4 (de) 2011-04-11 2020-02-13 Schaeffler Technologies AG & Co. KG Spannschiene mit stufenlosem Rastsystem
JP6335366B1 (ja) 2017-06-05 2018-05-30 株式会社椿本チエイン チェーンガイド

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002089636A (ja) * 2000-09-13 2002-03-27 Toyota Motor Corp 環状帯システムのガイド機構
DE10105224A1 (de) * 2001-02-02 2002-08-08 Iav Gmbh Kettenführungs- bzw. Spannschiene
DE20120656U1 (de) * 2001-12-20 2003-04-30 Joh. Winklhofer & Söhne GmbH und Co. KG, 81369 München Vormontierte Triebmitteleinheit
EP1734284A1 (fr) * 2005-06-14 2006-12-20 Morse Tec Europe S.R.L. Tendeur mecanique pour chaine de transmission avec deux surfaces de glissement

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29611059U1 (de) 1996-06-24 1997-10-23 Joh. Winklhofer & Söhne GmbH und Co KG, 81369 München Montagevorrichtung für einen Zugmittelbetrieb
DE20204039U1 (de) 2002-03-13 2003-07-24 Joh. Winklhofer & Söhne GmbH und Co. KG, 81369 München Triebmittelmontageeinheit mit Sicherungselement
DE20207186U1 (de) 2002-05-07 2003-09-18 Joh. Winklhofer & Söhne GmbH und Co KG, 81369 München Vormontierte Triebmitteleinheit mit Montagehilfe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002089636A (ja) * 2000-09-13 2002-03-27 Toyota Motor Corp 環状帯システムのガイド機構
DE10105224A1 (de) * 2001-02-02 2002-08-08 Iav Gmbh Kettenführungs- bzw. Spannschiene
DE20120656U1 (de) * 2001-12-20 2003-04-30 Joh. Winklhofer & Söhne GmbH und Co. KG, 81369 München Vormontierte Triebmitteleinheit
EP1734284A1 (fr) * 2005-06-14 2006-12-20 Morse Tec Europe S.R.L. Tendeur mecanique pour chaine de transmission avec deux surfaces de glissement

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018130732A1 (de) 2018-11-23 2020-05-28 Iwis Motorsysteme Gmbh & Co. Kg Montagemodul mit Hakenelement
DE102018130733A1 (de) 2018-11-23 2020-05-28 Iwis Motorsysteme Gmbh & Co. Kg Montagemodul mit Lagerschale
CN110980136A (zh) * 2019-12-05 2020-04-10 深圳市奥图机电设备有限公司 一种三倍速链新型传动机构

Also Published As

Publication number Publication date
WO2009036819A3 (fr) 2009-06-18
DE202007012761U1 (de) 2009-02-05

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