CN110360300A - Belt pulley decoupling device and accessory drive with corresponding belt pulley decoupling device and driving engine - Google Patents
Belt pulley decoupling device and accessory drive with corresponding belt pulley decoupling device and driving engine Download PDFInfo
- Publication number
- CN110360300A CN110360300A CN201910216150.9A CN201910216150A CN110360300A CN 110360300 A CN110360300 A CN 110360300A CN 201910216150 A CN201910216150 A CN 201910216150A CN 110360300 A CN110360300 A CN 110360300A
- Authority
- CN
- China
- Prior art keywords
- belt pulley
- decoupling device
- sliding bearing
- input part
- hub
- 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.)
- Pending
Links
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000004952 Polyamide Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 230000000116 mitigating effect Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
- F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
- F02B67/06—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless 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
- 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
Abstract
Belt pulley decoupling device (1) for accessory drive (14) comprising at least: input part (2), the input part include hub (3)；Output block (4), the output block include belt pulley (5), wherein output block (4) and input part (2) can be rotated around common axis of rotation line (6)；Spring arrangement (7), by the spring arrangement, output block (4) and input part (2) can limitedly reverse relative to each other around common axis of rotation line (6)；With sliding bearing (8), the sliding bearing has integrated axial rub ring (9), wherein, sliding bearing (8) supports belt pulley (5) on (10) and on radial direction (11) in the axial direction, so that belt pulley (5) can torsionally be supported relative to hub (3) are limited.Furthermore the accessory drive (14) with corresponding belt pulley decoupling device (1) and driving engine (16) are proposed.
Description
Technical field
The present invention relates to a kind of belt pulley decoupling devices for accessory drive, especially the driving engine of motor vehicle
Accessory drive.The traction device of accessory drive is driven by belt pulley decoupling device.The present invention
Further relate to a kind of accessory drive with corresponding belt pulley decoupling device and driving engine.
Background technique
This belt pulley decoupling device usually has spring arrangement, and the spring arrangement has at least one spring energy storage device,
The spring energy storage device is for reducing twisting vibration and being arranged between the input part and output block of belt pulley decoupling device.
Input part generally includes hub, and the hub can be coupled with the axis of driving engine to anti-torsion, for importing torque.It can lead to
Vibration absorber is crossed to transfer torque on output block.Output block generally includes the belt pulley with traction device working face,
Wherein, torque can be transmitted on traction device by belt pulley as tractive force.Output block must resist at least one
The spring force of spring type mechanical accumulator can limitedly be reversed relative to input part around common axis of rotation line, for mitigating torsion
Vibration.For this purpose, the belt pulley with sliding bearing is supported in a manner of it can limitedly reverse relative to hub.Since belt pulley is gone
The inclination position state of coupling device, for example due to tolerance or inclined band tension, it may appear that the axial movement of sliding bearing, this will lead to skin
The failure of tep reel decoupling device.
Summary of the invention
Therefore, the task of the present invention is the problems described in the prior art that at least is partially solved, and especially give
A kind of belt pulley decoupling device out, it is characterised in that high safety in operation.In addition, to provide a kind of with belt pulley decoupling device
Accessory drive and driving engine, it is characterised in that high safety in operation.
By according to the belt pulley decoupling device of the features of independent claims, accessory drive and driving engine solution
The certainly described task.Other advantageous configurations of the invention are provided in the dependent claims.It should be noted that single in dependent claims
The feature solely enumerated can be combined with each other in any technical significant mode, and limit other configurations of the invention.This
Outside, it is described in detail and illustrates in the description the feature provided in claim, there is shown with other preferred configurations of the invention.
For this purpose, the belt pulley decoupling device for accessory drive at least has with lower component:
Input part, the input part include hub；
Output block, the output block include belt pulley, wherein output block and input part can be around common
Rotation axis rotation；
Spring arrangement, by the spring arrangement, output block and input part can surround common axis of rotation line phase
For limitedly reversing each other；With
Sliding bearing, the sliding bearing have integrated axial rub ring, wherein the sliding bearing is in axial side
Belt pulley upwardly and radially is supported on direction, so that belt pulley is supported in a manner of it can limitedly reverse relative to hub.
Belt pulley decoupling device can be accessory drive driving wheel or accessory drive by driving wheel.This
Kind accessory drive is particularly at least one driving driving engine or motor vehicle ancillary equipment.Ancillary equipment energy
It is enough the auxiliary machinery of motor vehicle, the auxiliary machinery will not cause or will not directly cause the forward travel of motor vehicle.Auxiliary
Machine can be related to such as motor, generator, pump or ventilation blower.Belt pulley decoupling device more particularly to pass through at least one draw
The torque for driving engine is transmitted at least one ancillary equipment by device.For this purpose, the input part energy of belt pulley decoupling device
It is enough to be coupled with driving engine, input part is driven by driving engine around rotation axis.For this purpose, input unit
Part can include hub, the hub anti-torsion with driving engine axis connection.The axis can be related to such as crankshaft, balance
Axis, jackshaft or camshaft.Input part is coupled with output block, and output block is enabled to surround rotation together with input part
Shaft axis rotation.Output block has the traction device working face at least one traction device.It is outstanding to draw device working face
It is constructed on the circumferential surface of the belt pulley of output block, and torque is enabled to be transmitted at least one tractor as tractive force
On part.Term " input part " and " output block " are related to torque-flow direction, and in the torque-flow direction, belt pulley decoupling device is
Driving wheel, the driving wheel can be related to such as internal combustion engine or electronic by driving engine driving, the driving engine
Machine.However, belt pulley decoupling device also can be the wheel for being drawn device drive, driven wheel is for driving ancillary equipment.
Spring arrangement at least one energy accumulator works between input part and output block, so that defeated
Component and input part can be reversed limitedly each other out.Spring arrangement can be supported on input part and output block.Institute
State at least one energy accumulator more particularly at least one compressed spring, at least one helical spring and/or at least one arc
Shape spring.At least one described energy accumulator is especially arranged on spring flange, wherein the spring flange can be around rotation
Axis is rotated and is especially connect with input part or hub to anti-torsion.On the one hand at least one especially described energy accumulator props up
On the other hand support is supported on belt pulley on spring flange, torque is enabled to pass through hub, spring flange and at least one energy
Amount memory is transmitted on the belt pulley of belt pulley decoupling device.It can be realized input part and output block phase by spring arrangement
For resisting the torsion of the spring force of spring arrangement each other.By spring arrangement more particularly to mitigating and/or buffer twisting vibration
Or torsional vibrations.
Belt pulley decoupling device can have centrifugal pendulum mechanism, for further mitigating or buffering twisting vibration or torsion vibration
It is dynamic.Centrifugal pendulum mechanism has centrifugal force pendulum flange, and the centrifugal force pendulum flange can rotate and have around rotation axis
At least one pendulum mass, the pendulum mass are arranged to shift relative to centrifugal force pendulum flange under the action of the centrifugal force.In addition,
Centrifugal force pendulum flange can have at least two pendulum masses.For example, centrifugal force pendulum flange can have there are two, three or four pendulum
Quality.At least one pendulum mass can be along previously given track shift.In addition, at least one pendulum mass can be in first end
It is shifted between position and the second end position.It can be realized revolving speed by centrifugal pendulum mechanism and adaptedly mitigate and/or buffer torsion
Rotational oscillation moves or torsional vibrations.
Centrifugal pendulum mechanism can be arranged on input part or output block.Thereby, it is possible to correspondingly to match application
Mode improve twisting vibration or the mitigation of torsional vibrations and/or buffering.Furthermore it is possible to match the installation of the method optimizing of application
Space.
In addition, belt pulley decoupling device includes the sliding bearing with integrated axial rub ring.Sliding bearing is related to separating
Component, the isolated component for example can be according to the type structure of bush of bush bearing.Sliding bearing in the axial direction,
With being parallel to rotation axis and in radial directions, i.e. support belt pulley with being orthogonal to rotation axis.Especially belt pulley and/
Or hub can resist the resistance as caused by sliding friction and slide on sliding bearing and/or in sliding bearing.Therefore, sliding bearing
Belt pulley can be made to reverse relative to hub.Sliding bearing has integrated axial rub ring, and the especially described axial rub ring can
Construct to Flange-shaped Parts.In this case, " integrated " mean especially that axial rub ring fixedly or inseparably with cunning
Dynamic bearing connection.Sliding bearing can be maintained in the axial direction in the defined position on hub by axial rub ring, thus
It can prevent the axial movement of sliding bearing.For this purpose, axial rub ring can for example be sandwiched in the axial direction belt pulley and
Between hub.Sliding bearing both undertakes support of the belt pulley relative to hub in radial directions or in the axial direction.In addition, axial
Drag ring can support the pretightning force of the disc spring of belt pulley decoupling device and/or seal belt pulley decoupling device.
Sliding bearing can be arranged on the circumferential surface of hub.For this purpose, hub, which can have, (substantially) corresponds to sliding bearing
Internal diameter outer diameter.
Axial rub ring can extend in radial directions.
In addition, sliding bearing can at least partly be configured to tubulose.Sliding bearing can be for example inserted on hub as a result,.
Axial rub ring can contact the flange of hub.The flange can be related to flange or ring circular on the circumferential surface of hub
Around diameter convex shoulder.
In addition, sliding bearing and axial rub ring can be constructed integrally.For this purpose, sliding bearing and axial rub ring can
It is configured to unique component, their (common) are made of identical material.Sliding bearing and axial rub ring are more particularly to material
It is connected to each other in locking manner.
Sliding bearing can be at least partly made of plastics.
Here, plastics can include polyamide.This plastics are especially known to the title of PA66TF10CF20.
According to another aspect of the present invention, it was also proposed that a kind of auxiliary actuator has at least one traction device,
In, the traction device at least partly winds at least one belt pulley decoupling device according to the present invention.
A kind of another aspect according to the present invention, it was also proposed that the driving engine for motor vehicle, wherein driving hair
The axis of motivation is connect with belt pulley decoupling device according to the present invention.
About accessory drive and/or the other details of engine is driven to decouple with reference to belt pulley according to the present invention
The explanation of device.
Detailed description of the invention
The present invention and technological accumulation and inheritance is elaborated below with reference to attached drawing.It should be noted that attached drawing show it is of the invention special
Preferred modification, however the present invention is not limited to the modifications.It illustratively and schematically shows:
Fig. 1: the belt pulley decoupling device in vertical section.
Specific embodiment
Fig. 1 shows belt pulley decoupling device 1 with vertical section, and the belt pulley decoupling device 1 is motor vehicle not shown here
Driving engine 16 the accessory drive 14 only symbolically shown a part.Belt pulley decoupling device 1 has defeated
Enter component 2, the input part has hub 3 and spring flange 18.Hub 3 and spring flange 18 are implemented to anti-torsion each other, wherein
Hub 3 is connect with the axis 17 of driving engine 16, and by the driving engine, hub 3 and spring flange 18 can be surrounded jointly
Rotation axis 6 rotates.Belt pulley decoupling device 1 also has the output block 4 with belt pulley 5.The structure on the outside of belt pulley 5 20
Make the traction device working face 21 of the traction device 15 for accessory drive 14.In input part 2 and output block 4
Between be provided with spring arrangement 7, the spring arrangement has the energy accumulators 22 of multiple ground of distribution in circumferential direction arrangement,
Wherein, energy accumulator 22 is herein according to the type structure of arc spring.22 one side of energy accumulator is supported on spring flange
It on 18, and is on the other hand supported on belt pulley 5 or on the lid 19 of belt pulley 5, enables input part 2 and output block 4
The spring force for enough resisting energy accumulator 22 limitedly reverses relative to each other.Lid 19 is pressed relative to 5 anti-torsion of belt pulley
Enter into belt pulley 5.Belt pulley 5 can limitedly be reversed around rotation axis 6 relative to hub 3.For this purpose, in the circumferential surface of hub 3
Sliding bearing 8 is disposed on 12, the sliding bearing has integrated axial rub ring 9.Sliding bearing 8 is in the axial direction on 10
Belt pulley 5 is supported relative to hub 3 in radial direction 11.Axial rub ring 9 substantially in a radial direction 11 extend and pressed from both sides
Between belt pulley 5 and the circular flange 13 of hub 3.Thus prevent the sliding bearing 8 on hub 3 from 10 moving up in the axial direction
It is dynamic.
By means of the invention it is possible to especially run belt pulley decoupling device to operational safety.
Reference signs list
1 belt pulley decoupling device
2 input parts
3 hubs
4 output blocks
5 belt pulleys
6 rotation axis
7 spring arrangements
8 sliding bearings
9 drag rings
10 axial directions
11 radial directions
12 circumferential surfaces
13 flanges
14 accessory drives
15 traction devices
16 driving engines
17 axis
18 spring flanges
19 lids
20 outsides
21 traction device working faces
22 energy accumulators.
Claims (10)
1. one kind is used for the belt pulley decoupling device (1) of accessory drive (14), the belt pulley decoupling device includes at least:
Input part (2), the input part include hub (3)；
Output block (4), the output block include belt pulley (5), wherein the output block (4) and the input part
(2) it can be rotated around common axis of rotation line (6)；
Spring arrangement (7), by the spring arrangement, the output block (4) and the input part (2) can surround institute
Common axis of rotation line (6) is stated limitedly to reverse relative to each other；With
Sliding bearing (8), the sliding bearing have integrated axial rub ring (9), wherein the sliding bearing (8) is in axis
To on direction (10) and the belt pulley (5) are supported on radial direction (11), so that the belt pulley (5) is relative to the hub
(3) it is supported in a manner of it can limitedly reverse.
2. belt pulley decoupling device (1) according to claim 1, wherein the sliding bearing (8) is arranged in the hub (3)
Circumferential surface (12) on.
3. belt pulley decoupling device (1) according to any one of the preceding claims, wherein the axial rub ring (9) exists
Extend on the radial direction (11).
4. belt pulley decoupling device (1) according to any one of the preceding claims, wherein the sliding bearing (8) is at least
Partly it is configured to tubulose.
5. belt pulley decoupling device (1) according to any one of the preceding claims, wherein the axial rub ring (9) with
The flange (13) of the hub (3) contacts.
6. belt pulley decoupling device (1) according to any one of the preceding claims, wherein the sliding bearing (8) and institute
Axial rub ring (9) is stated integrally to construct.
7. belt pulley decoupling device (1) according to any one of the preceding claims, wherein the sliding bearing (8) is at least
Partly it is made of plastics.
8. belt pulley decoupling device (1) according to claim 7, wherein the plastics include polyamide.
9. a kind of accessory drive (14) has at least one traction device (15), wherein the traction device (15)
At least partly wind at least one belt pulley decoupling device (1) according to any one of the preceding claims.
10. a kind of driving engine (16) for motor vehicle, wherein it is described driving engine (16) axis (17) with according to power
Benefit require any one of 1 to 8 described in belt pulley decoupling device (1) coupling.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018108464.1 | 2018-04-10 | ||
| DE102018108464.1A DE102018108464A1 (en) | 2018-04-10 | 2018-04-10 | Pulley decoupler comprising a sliding bearing with an integrated axial friction ring and auxiliary drive and drive motor with a corresponding pulley decoupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110360300A true CN110360300A (en) | 2019-10-22 |
Family
ID=67991909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910216150.9A Pending CN110360300A (en) | 2018-04-10 | 2019-03-21 | Belt pulley decoupling device and accessory drive with corresponding belt pulley decoupling device and driving engine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110360300A (en) |
| DE (1) | DE102018108464A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696457A (en) * | 2019-10-23 | 2021-04-23 | 舍弗勒技术股份两合公司 | Belt pulley decoupler |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6048284A (en) * | 1995-12-22 | 2000-04-11 | Luk Lamellen Und Kupplungsbau Gmbh | Pulley with a damper between rotary input and output members |
| DE102012216116A1 (en) * | 2011-10-06 | 2013-06-27 | Schaeffler Technologies AG & Co. KG | Belt pulley decoupler for trouble-free driving of aggregates of motor vehicle, has belt pulley, hub connected with drive shaft, damping unit for damping vibrations and freewheel for uncoupling belt pulley during vibrations |
| US20130237351A1 (en) * | 2010-11-09 | 2013-09-12 | Litens Automotive Partnership | Decoupler assembly having limited overrunning capability |
| DE102015205247A1 (en) * | 2014-04-11 | 2015-10-15 | Schaeffler Technologies AG & Co. KG | Pulley arrangement |
| CN107208702A (en) * | 2015-02-12 | 2017-09-26 | 舍弗勒技术股份两合公司 | The decoupled device of belt pulley |
-
2018
- 2018-04-10 DE DE102018108464.1A patent/DE102018108464A1/en not_active Ceased
-
2019
- 2019-03-21 CN CN201910216150.9A patent/CN110360300A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6048284A (en) * | 1995-12-22 | 2000-04-11 | Luk Lamellen Und Kupplungsbau Gmbh | Pulley with a damper between rotary input and output members |
| US20130237351A1 (en) * | 2010-11-09 | 2013-09-12 | Litens Automotive Partnership | Decoupler assembly having limited overrunning capability |
| DE102012216116A1 (en) * | 2011-10-06 | 2013-06-27 | Schaeffler Technologies AG & Co. KG | Belt pulley decoupler for trouble-free driving of aggregates of motor vehicle, has belt pulley, hub connected with drive shaft, damping unit for damping vibrations and freewheel for uncoupling belt pulley during vibrations |
| DE102015205247A1 (en) * | 2014-04-11 | 2015-10-15 | Schaeffler Technologies AG & Co. KG | Pulley arrangement |
| CN107208702A (en) * | 2015-02-12 | 2017-09-26 | 舍弗勒技术股份两合公司 | The decoupled device of belt pulley |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696457A (en) * | 2019-10-23 | 2021-04-23 | 舍弗勒技术股份两合公司 | Belt pulley decoupler |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102018108464A1 (en) | 2019-10-10 |
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