CN105443657B - Unlubricated friction scraping-piece type torsional vibration damper - Google Patents
Unlubricated friction scraping-piece type torsional vibration damper Download PDFInfo
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- CN105443657B CN105443657B CN201510842854.9A CN201510842854A CN105443657B CN 105443657 B CN105443657 B CN 105443657B CN 201510842854 A CN201510842854 A CN 201510842854A CN 105443657 B CN105443657 B CN 105443657B
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Abstract
This patent discloses a kind of unlubricated friction scraping-piece type torsional vibration damper, including bent axle and belt wheel, bent axle is provided with balance weight, belt wheel is connected with balance weight, and kink has big the first inertia disk and the second inertia disk of rotary inertia on the wheel hub of belt wheel, and the first friction plate is provided between the first inertia disk and belt wheel, the second friction plate is provided between second inertia disk and balance weight, stage clip is additionally provided between first inertia disk and the second inertia disk, stage clip one end offsets with the first inertia disk, and the stage clip other end offsets with the second inertia disk.The beneficial effect of this programme is：In this programme friction plate is equipped with belt wheel and balance weight, under the collective effect of both friction plates, make the attenuation enhancing to crankshaft torsional vibrations, while do not use the rubber of easy aging in conventional damper in this programme, therefore make the stable work in work of the shock absorber.
Description
Technical field
Vibration damper is the utility model is related to, specially a kind of unlubricated friction scraping-piece type torsional vibration damper.
Background technology
Bent axle is a kind of elasticity of torsion system, and itself has certain natural frequency of vibration.In engine working process, through even
The active force that bar is transmitted to crank-pin is acted on bent axle, and the instantaneous angular velocity for causing crank up is also in cyclically-varying, due to
The Rotary Inertia of Flywheel being packed on bent axle is big, and its instantaneous angular velocity is substantially considered as uniformly, and so, crank throw will neglect
And turn soon than flywheel, sometimes turn slowly than flywheel again, form the torsionoscillation relative to flywheel, that is, the torsion of bent axle is shaken
Dynamic, when excitation force frequency and the bent axle natural frequency of vibration are into integral multiple, crankshaft torsional vibrations just aggravate because of resonance, and this will make to start
Acc power incurs loss, and even twists off bent axle when serious.In order to cut down the twisting vibration of bent axle, present automobile engine exists more
The maximum crankshaft front end dress shock absorber of torsional amplitudes.
The shock absorber used at present, belt wheel connection crankshaft front end, is provided with shock absorber disk, subtracts between crankshaft front end and belt wheel
The device disk that shakes connects inertia disk, and rubber blanket is provided between shock absorber disk and inertia disk, when bent axle twists vibration, passes through
Molecular friction inside rubber consumes torsional vibration energy, so that the torsional amplitudes of whole bent axle reduce.Such a rubber subtracts
The major advantage of device of shaking is simple in construction, but its attenuation to crankshaft torsional vibrations is not strong enough, and rubber is rubbed due to interior
Wipe heat to heat up and easy aging, so that the service behaviour of shock absorber reduces.
Utility model content
The utility model is intended to provide that a kind of attenuation is strong, the high unlubricated friction scraping-piece type torsional vibration damper of service behaviour.
Unlubricated friction scraping-piece type torsional vibration damper in this programme, including bent axle and belt wheel, bent axle are provided with balance weight, belt wheel with
Balance weight connects, and kink has the first inertia disk and the second inertia disk on the wheel hub of belt wheel, is provided between the first inertia disk and belt wheel
First friction plate, the second friction plate is provided between the second inertia disk and balance weight, between the first inertia disk and the second inertia disk also
Provided with stage clip, stage clip one end offsets with the first inertia disk, and the stage clip other end offsets with the second inertia disk.
The operation principle of this programme is：In the presence of stage clip, the first inertia disk closely pastes the first friction plate with belt wheel
Closing, the second friction plate is brought into close contact by the second inertia disk with balance weight, and during bent axle normal work, torsional vibration damper does not work,
When bent axle twists vibration in the course of the work, bent axle will with movable belt pulley peace weighing apparatus block with larger velocity vibration, due to
The rotary inertia of first inertia disk and the second inertia disk is big, therefore the angular velocity of vibration of the first inertia disk and the second inertia disk is compared with bent axle
Angular velocity of vibration it is small, will have between the first inertia disk and belt wheel relative angular oscillation and at both mating surfaces produce frictional force,
There to be relative angular oscillation between second inertia disk and balance weight and frictional force is produced at both mating surfaces, in their frictional force
The energy of twisting vibration will be eliminated under effect, and then reduce the vibration of whole bent axle, reach the mesh of crankshaft torsional vibrations decay
's.
The beneficial effect of this programme is：Friction plate is equipped with belt wheel and balance weight in this programme, in both friction plates
Collective effect under, make to the enhancing of the attenuations of crankshaft torsional vibrations, while do not use in this programme and hold in conventional damper
Rubber easy to aging, therefore make the stable work in work of the shock absorber.
Further, in order that switching performance between belt wheel and balance weight is reliable and convenient dismounting, belt wheel and balance weight it
Between be attached by bolt.
Caused centrifugal force when further, to reduce crankshaft quality and motion, bent axle is hollow structure.
Further, spacing in order to be carried out to the axial direction of balance weight, crankshaft end-face is provided with the packing ring to balance weight axial limiting
And bolt.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
The utility model is described in further detail below by embodiment：
Reference in Figure of description includes：Bent axle 1, balance weight 2, belt wheel 3, the first inertia disk 4, the second inertia disk
5th, the first friction plate 6, the second friction plate 7, stage clip 8, packing ring 9.
Embodiment is substantially as shown in Figure 1：Unlubricated friction scraping-piece type torsional vibration damper, including bent axle 1, bent axle 1 are a hollow knot
Structure, balance weight 2 is provided with bent axle 1, there is a groove upside of balance weight 2, and bottom portion of groove is rounded down, the right side of balance weight 2
Coordinate with bent axle 1, the left side of balance weight 2 coordinates with belt wheel 3, in the end face that balance weight 2 and bent axle 1 coordinate to being additionally provided with packing ring 9, pads
Enclose and nut be installed at 9, packing ring 9 and nut be used to carrying out balance weight 2 it is axial spacing, it is also uniform in the circumference of balance weight 2
There are four screws.
The left side of balance weight 2 is provided with belt wheel 3, and its right end face of belt wheel 3 coordinates with the left end face of balance weight 2, and belt wheel 3 is interior
Portion's hollow-core construction, it is located at for the packing ring 9 to the progress axial limiting of balance weight 2 and nut in the hollow-core construction of belt wheel 3, in belt wheel
3 it is circumferential offer four through holes, four screws on four through holes and balance weight 2 on belt wheel 3 correspond, and lead between the two
Bolt is crossed to be attached.
The first inertia disk 4 and the second inertia disk 5, the inner circle of the first inertia disk 4 and belt wheel 3 are additionally provided with the wheel hub of belt wheel 3
Wheel hub coordinates, and the outer profile size of the first inertia disk 4 is more than the outer profile size of belt wheel 3, at the first inertia disk 4 and the cooperation of belt wheel 3
Cross-sectional width it is larger, the size of the first inertia disk 4 be more than the outer profile size of belt wheel 3 the first inertia disk of position 4 section it is wide
Degree is smaller, and the appearance and size of the second inertia disk 5 is consistent with the first inertia disk 4, the outer profile size of the second inertia disk 5 equally also greater than
The outer profile size of balance weight 2.
It is smaller in the larger local gap of the cross-sectional width of the first inertia disk 4 and the second inertia disk 5, in the first inertia disk
4 and the larger opening position of the outline of the second inertia disk 5 be provided with stage clip 8, one end of stage clip 8 offsets with the first inertia disk 4, stage clip 8
The other end offsets with the second inertia disk 5.
The first friction plate 6, the inner circle of the first friction plate 6 and the wheel hub of belt wheel 3 are additionally provided between the first inertia disk 4 and belt wheel 3
Coordinate, the outer profile size of the first friction plate 6 is slightly less than the outer profile size of belt wheel 3, between the second inertia disk 5 and balance weight 2 also
Provided with the second friction plate 7, the inner circle of the second friction plate 7 coordinates with the wheel hub of belt wheel 3, and the outer profile size of the second friction plate 7 is slightly less than flat
Weigh the outer profile size of block 2, and in the presence of stage clip 8, the first friction plate 6 is close to the end coordinated with belt wheel 3 by the first inertia disk 4
Second friction plate 7 is close to the end face coordinated with balance weight 2 by face, the second inertia disk 5.
Above-described is only embodiment of the present utility model, and the general knowledge such as known concrete structure and characteristic is herein in scheme
Do not describe excessively.It should be pointed out that for those skilled in the art, the premise of the utility model structure is not being departed from
Under, several modifications and improvements can also be made, these should also be considered as the scope of protection of the utility model, and these are all without influence
The effect and practical applicability that the utility model is implemented.This application claims protection domain should be with the content of its claim
It is defined, the record such as embodiment in specification can be used for the content for explaining claim.
Claims (3)
1. a kind of unlubricated friction scraping-piece type torsional vibration damper, it is characterised in that including bent axle and belt wheel, the bent axle is provided with balance
Block, the belt wheel are connected with the balance weight, and belt wheel is boring structure, and kink has the first inertia on the wheel hub of the belt wheel
Disk and the second inertia disk, the first friction plate, second inertia disk and institute are provided between first inertia disk and the belt wheel
State and be provided with the second friction plate between balance weight, stage clip is additionally provided between first inertia disk and second inertia disk, it is described
Stage clip one end offsets with first inertia disk, and the stage clip other end offsets with second inertia disk；The belt wheel and institute
State and be attached by bolt between balance weight.
2. unlubricated friction scraping-piece type torsional vibration damper according to claim 1, it is characterised in that：The bent axle is hollow structure.
3. unlubricated friction scraping-piece type torsional vibration damper according to claim 2, it is characterised in that：The crankshaft end-face is provided with to institute
State the packing ring and bolt of balance weight axial limiting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510842854.9A CN105443657B (en) | 2015-11-29 | 2015-11-29 | Unlubricated friction scraping-piece type torsional vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510842854.9A CN105443657B (en) | 2015-11-29 | 2015-11-29 | Unlubricated friction scraping-piece type torsional vibration damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105443657A CN105443657A (en) | 2016-03-30 |
| CN105443657B true CN105443657B (en) | 2018-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510842854.9A Active CN105443657B (en) | 2015-11-29 | 2015-11-29 | Unlubricated friction scraping-piece type torsional vibration damper |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018108049A1 (en) * | 2018-04-05 | 2019-10-10 | Schaeffler Technologies AG & Co. KG | Clutch disc with friction device having pendulum rocker damper; as well as friction clutch |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1632687A2 (en) * | 2004-09-03 | 2006-03-08 | LuK Lamellen und Kupplungsbau Beteiligungs KG | Torque transmission device |
| CN202971826U (en) * | 2012-09-07 | 2013-06-05 | 宁海亿维汽车部件有限公司 | Multi-stage damper for engine crankshaft |
| CN104989783A (en) * | 2015-07-13 | 2015-10-21 | 常州市宏硕电子有限公司 | Rubber friction type torsion damper |
| CN205278232U (en) * | 2015-11-29 | 2016-06-01 | 重庆元创汽车整线集成有限公司 | Dry friction piece formula torsional damper |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5594464B2 (en) * | 2010-04-16 | 2014-09-24 | Ｎｏｋ株式会社 | Torque fluctuation absorbing damper |
| JP5800132B2 (en) * | 2011-06-24 | 2015-10-28 | Nok株式会社 | Torque fluctuation absorbing damper |
-
2015
- 2015-11-29 CN CN201510842854.9A patent/CN105443657B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1632687A2 (en) * | 2004-09-03 | 2006-03-08 | LuK Lamellen und Kupplungsbau Beteiligungs KG | Torque transmission device |
| CN202971826U (en) * | 2012-09-07 | 2013-06-05 | 宁海亿维汽车部件有限公司 | Multi-stage damper for engine crankshaft |
| CN104989783A (en) * | 2015-07-13 | 2015-10-21 | 常州市宏硕电子有限公司 | Rubber friction type torsion damper |
| CN205278232U (en) * | 2015-11-29 | 2016-06-01 | 重庆元创汽车整线集成有限公司 | Dry friction piece formula torsional damper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105443657A (en) | 2016-03-30 |
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Dry friction plate torsional vibration damper Granted publication date: 20180213 Pledgee: Shanghai Pudong Development Bank Co.,Ltd. Chongqing Branch Pledgor: CHONGQING YUANCHUANG WHOLE LINE INTEGRATION Co.,Ltd. Registration number: Y2024500000006 |
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