CN105443657A - Dry friction plate type torsion damper - Google Patents
Dry friction plate type torsion damper Download PDFInfo
- Publication number
- CN105443657A CN105443657A CN201510842854.9A CN201510842854A CN105443657A CN 105443657 A CN105443657 A CN 105443657A CN 201510842854 A CN201510842854 A CN 201510842854A CN 105443657 A CN105443657 A CN 105443657A
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- CN
- China
- Prior art keywords
- belt wheel
- inertia disk
- friction plate
- inertia
- equilibrium block
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- 238000012856 packing Methods 0.000 claims description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000006835 compression Effects 0.000 abstract 3
- 238000007906 compression Methods 0.000 abstract 3
- 238000013016 damping Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Abstract
The invention discloses a dry friction plate type torsion damper which comprises a crankshaft and a belt wheel. A balance block is arranged on the crankshaft, and the belt wheel is connected with the balance block. A hub of the belt wheel is movably sleeved with a first inertia disc and a second inertia disc with large rotational inertia. A first friction plate is arranged between the first inertia disc and the belt wheel. A second friction plate is arranged between the second inertia disc and the balance block. A compression spring is further arranged between the first inertia disc and the second inertia disc. One end of the compression spring abuts against the first inertia disc. The other end of the compression spring abuts against the second inertia disc. According to the scheme, the dry friction plate type torsion damper has the beneficial effects that the friction plates are arranged on the belt wheel and the position of a counterweight, and the damping function on torsional vibration of the crankshaft is enhanced through the combined action of the two friction plates; and rubber prone to age in a traditional damper is not adopted in the scheme, so that the work performance of the damper is stable.
Description
Technical field
The present invention relates to vibration damper, be specially a kind of dry friction chip torsional vibration damper.
Background technique
Bent axle is a kind of torsional elasticity system, itself has certain natural frequency of vibration.In engine working process, the active force passing to crank pin through connecting rod acts on bent axle, cause the instantaneous angular velocity of crank up also in cyclically-varying, because the Rotary Inertia of Flywheel be packed on bent axle is large, its instantaneous angular velocity can regard uniform substantially as, like this, crank throw just can sometimes turn soon than flywheel, sometimes turn slowly than flywheel again, form the torsionoscillation relative to flywheel, the namely torsional vibration of bent axle, when excitation force frequency becomes integral multiple with the bent axle natural frequency of vibration, crankshaft torsional vibrations just aggravates because of resonance, this will make engine power incur loss, even bent axle is twisted off time serious.In order to cut down the torsional vibration of bent axle, the present motor car engine many crankshaft front end maximum in torsional amplitudes dresses vibration damper.
The vibration damper of current employing, belt wheel connects crankshaft front end, vibration damper disk is provided with between crankshaft front end and belt wheel, vibration damper disk connects inertia disk, rubber pad is provided with between vibration damper disk and inertia disk, when bent axle twists vibration, consume torsional vibration energy by the molecular friction of rubber inside, thus the torsional amplitudes of whole bent axle is reduced.The major advantage of this kind of rubber shock absorber is that structure is simple, but it is strong not to the attenuation of crankshaft torsional vibrations, and rubber is easily aging because interior frictional heat heats up, thus the service behaviour of vibration damper is reduced.
Summary of the invention
The invention is intended to provide a kind of attenuation strong, the dry friction chip torsional vibration damper that service behaviour is high.
Dry friction chip torsional vibration damper in this programme, comprise bent axle and belt wheel, bent axle is provided with equilibrium block, belt wheel is connected with equilibrium block, and on the wheel hub of belt wheel, kink has the first inertia disk and the second inertia disk, is provided with the first friction plate between the first inertia disk and belt wheel, the second friction plate is provided with between second inertia disk and equilibrium block, also be provided with stage clip between first inertia disk and the second inertia disk, stage clip one end and the first inertia disk offset, and the stage clip the other end and the second inertia disk offset.
The working principle of this programme is: under the effect of stage clip, first friction plate and belt wheel fit tightly by the first inertia disk, second friction plate and equilibrium block fit tightly by the second inertia disk, when bent axle normally works, torsional vibration damper is inoperative, when bent axle twists vibration in the course of the work, bent axle will be with movable belt pulley peace weighing apparatus block with larger velocity vibration, because the rotary inertia of the first inertia disk and the second inertia disk is large, therefore the angular velocity of vibration of the first inertia disk and the second inertia disk is little compared with the angular velocity of vibration of bent axle, relative angle will be had between first inertia disk and belt wheel to vibrate and produce frictional force at both fitting surface places, relative angle will be had between second inertia disk and equilibrium block to vibrate and produce frictional force at both fitting surface places, the energy of torsional vibration will be eliminated under the effect of their frictional force, and then the vibration of whole bent axle is reduced, reach the object of crankshaft torsional vibrations decay.
The beneficial effect of this programme is: be equipped with friction plate at belt wheel and balancer weight place in this programme, under the acting in conjunction of both friction plates, make to strengthen the attenuation of crankshaft torsional vibrations, do not adopt rubber easily aging in traditional vibration damper in this programme simultaneously, therefore make the stable work in work of this vibration damper.
Further, in order to make the switching performance between belt wheel and equilibrium block reliable and for convenience detach, be connected by bolt between belt wheel with equilibrium block.
Further, be the centrifugal force produced when reducing crankshaft quality and motion, bent axle is hollow structure.
Further, in order to carry out spacing to the axis of equilibrium block, crankshaft end-face is provided with packing ring to equilibrium block axial limiting and bolt.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Embodiment
Below by embodiment, the present invention is further detailed explanation:
Reference character in Figure of description comprises: bent axle 1, equilibrium block 2, belt wheel 3, first inertia disk 4, second inertia disk 5, first friction plate 6, second friction plate 7, stage clip 8, packing ring 9.
Embodiment is substantially as shown in Figure 1: dry friction chip torsional vibration damper, comprise bent axle 1, bent axle 1 is a hollow structure, bent axle 1 is provided with equilibrium block 2, there is a groove upside of equilibrium block 2, bottom portion of groove is rounded down, the right side of equilibrium block 2 coordinates with bent axle 1, coordinate with belt wheel 3 on the left of equilibrium block 2, the end face coordinated with bent axle 1 at equilibrium block 2 is to being also provided with packing ring 9, packing ring 9 place is provided with nut, and packing ring 9 and nut are used for carrying out equilibrium block 2 axial spacing, are also evenly equipped with four screws in the circumference of equilibrium block 2.
Belt wheel 3 is provided with on the left of equilibrium block 2, the its right end face of belt wheel 3 coordinates with the left end face of equilibrium block 2, belt wheel 3 is boring structure, packing ring 9 and nut for carrying out axial limiting to equilibrium block 2 are arranged in the hollow-core construction of belt wheel 3, four through holes are offered in belt wheel 3 circumference, four through holes on belt wheel 3 and four screw one_to_one corresponding on equilibrium block 2, connected by bolt between the two.
The wheel hub of belt wheel 3 is also provided with the first inertia disk 4 and the second inertia disk 5, first inertia disk 4 inner circle coordinates with belt wheel 3 wheel hub, first inertia disk 4 outer profile size is greater than belt wheel 3 outer profile size, first inertia disk 4 is larger with the cross-sectional width of belt wheel 3 cooperation place, the cross-sectional width being greater than position first inertia disk 4 of belt wheel 3 outer profile size in the first inertia disk 4 size is less, the boundary dimension of the second inertia disk 5 is consistent with the first inertia disk 4, and the second inertia disk 5 outer profile size is equally also greater than equilibrium block 2 outer profile size.
Less in the gap in the larger place of the cross-sectional width of the first inertia disk 4 and the second inertia disk 5, stage clip 8 is provided with in the first inertia disk 4 and the larger position of the second inertia disk 5 external frame, one end and first inertia disk 4 of stage clip 8 offset, and stage clip 8 the other end and the second inertia disk 5 offset.
The first friction plate 6 is also provided with between the first inertia disk 4 and belt wheel 3, first friction plate 6 inner circle coordinates with belt wheel 3 wheel hub, first friction plate 6 outer profile size is slightly less than belt wheel 3 outer profile size, the second friction plate 7 is also provided with between the second inertia disk 5 and equilibrium block 2, second friction plate 7 inner circle coordinates with belt wheel 3 wheel hub, second friction plate 7 outer profile size is slightly less than equilibrium block 2 outer profile size, under the effect of stage clip 8, first friction plate 6 is close to the end face coordinated with belt wheel 3 by the first inertia disk 4, second friction plate 7 is close to the end face coordinated with equilibrium block 2 by the second inertia disk 5.
Above-described is only embodiments of the invention, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, under the prerequisite not departing from structure of the present invention, some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.The protection domain that this application claims should be as the criterion with the content of its claim, and the embodiment in specification etc. record the content that may be used for explaining claim.
Claims (4)
1. a dry friction chip torsional vibration damper, it is characterized in that, comprise bent axle and belt wheel, described bent axle is provided with equilibrium block, described belt wheel is connected with described equilibrium block, on the wheel hub of described belt wheel, kink has the first inertia disk and the second inertia disk, the first friction plate is provided with between described first inertia disk and described belt wheel, the second friction plate is provided with between described second inertia disk and described equilibrium block, also stage clip is provided with between described first inertia disk and described second inertia disk, described stage clip one end and described first inertia disk offset, and the described stage clip the other end and described second inertia disk offset.
2. dry friction chip torsional vibration damper according to claim 1, be is characterized in that: be connected by bolt between described belt wheel with described equilibrium block.
3. dry friction chip torsional vibration damper according to claim 1, is characterized in that: described bent axle is hollow structure.
4. dry friction chip torsional vibration damper according to claim 3, is characterized in that: described crankshaft end-face is provided with packing ring to described equilibrium block axial limiting and bolt.
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 true CN105443657A (en) | 2016-03-30 |
| CN105443657B CN105443657B (en) | 2018-02-13 |
Family
ID=55554181
Family Applications (1)
| 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105443657B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111630296A (en) * | 2018-04-05 | 2020-09-04 | 舍弗勒技术股份两合公司 | A clutch driven disc with a rocker arm type vibration damper having a friction device; and a friction clutch |
Citations (6)
| 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 |
| JP2011226509A (en) * | 2010-04-16 | 2011-11-10 | Nok Corp | Torque fluctuation absorbing damper |
| JP2013007437A (en) * | 2011-06-24 | 2013-01-10 | Nok Corp | Torque fluctuation absorption damper |
| 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 |
-
2015
- 2015-11-29 CN CN201510842854.9A patent/CN105443657B/en active Active
Patent Citations (6)
| 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 |
| JP2011226509A (en) * | 2010-04-16 | 2011-11-10 | Nok Corp | Torque fluctuation absorbing damper |
| JP2013007437A (en) * | 2011-06-24 | 2013-01-10 | Nok Corp | Torque fluctuation absorption damper |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111630296A (en) * | 2018-04-05 | 2020-09-04 | 舍弗勒技术股份两合公司 | A clutch driven disc with a rocker arm type vibration damper having a friction device; and a friction clutch |
| CN111630296B (en) * | 2018-04-05 | 2022-03-29 | 舍弗勒技术股份两合公司 | Clutch driven disc with rocker arm type damper with friction device and friction clutch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105443657B (en) | 2018-02-13 |
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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 |