JPS5877947A - Damper for rotating shaft - Google Patents
Damper for rotating shaftInfo
- Publication number
- JPS5877947A JPS5877947A JP17474081A JP17474081A JPS5877947A JP S5877947 A JPS5877947 A JP S5877947A JP 17474081 A JP17474081 A JP 17474081A JP 17474081 A JP17474081 A JP 17474081A JP S5877947 A JPS5877947 A JP S5877947A
- Authority
- JP
- Japan
- Prior art keywords
- hub
- damper
- damper weight
- section
- large diameter
- 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.)
- Granted
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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/14—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers
- F16F15/1407—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers the rotation being limited with respect to the driving means
- F16F15/1414—Masses driven by elastic elements
- F16F15/1435—Elastomeric springs, i.e. made of plastic or rubber
- F16F15/1442—Elastomeric springs, i.e. made of plastic or rubber with a single mass
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
- F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
- F16F15/124—Elastomeric springs
- F16F15/126—Elastomeric springs consisting of at least one annular element surrounding the axis of rotation
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Pulleys (AREA)
Abstract
Description
【発明の詳細な説明】 本発明は動力を伝達する回転軸のダンパ装置に関する。[Detailed description of the invention] The present invention relates to a damper device for a rotating shaft that transmits power.
動力を伝達する同転輪の一つとしてクランク軸があるが
、該クランク軸はその回転に伴って所■ねじ）振動を発
生することが知られている。A crankshaft is one of the co-rotating wheels that transmits power, and it is known that the crankshaft generates vibrations as it rotates.
従って、前記振動を防止すべ〈従来クランク軸に紘ダン
パ装置が設けられている。Therefore, in order to prevent the vibration, a damper device has conventionally been provided on the crankshaft.
ζＯダンパ錬置紘クりンタ軸Ｏ端１１に該軸と一体に１
１転するよう筒状のハブが取付けられ、骸ハブの外周に
ゴム材等から″＆為弾性体を介してダンパウェイトが嵌
着され九構造となってお〉、前記ダンパウェイトの慣性
モーメントによりてクランク軸ＯＩＩ動を消去す為よう
になうている。A ζO damper is attached to the printer shaft O end 11 integrally with the shaft.
A cylindrical hub is attached so as to rotate once, and a damper weight is fitted onto the outer periphery of the skeleton hub through an elastic body made of rubber or the like, creating a structure. It is designed to eliminate the crankshaft OII movement.
しかして、上記ダンパ装置紘そのダンパウェイト内周の
弾性体Ｏ残音応力を除去するため次のような手１１Ｎが
−じもれている。Therefore, in order to remove the residual stress of the elastic body on the inner periphery of the damper weight of the damper device, the following hand 11N is required.
即ち、ダンパウェイトをハブに嵌着する際、皺ウェイト
を−１ハブの端部よに更にタランク軸側へ押し込みその
後所定位置まで引き戻すことにょ夛、軸方Ｏ残留応力な
職〉除くようにしている。That is, when fitting the damper weight to the hub, the wrinkled weight is pushed further toward the trunk shaft side from the end of the -1 hub, and then pulled back to a predetermined position to remove axial residual stress. There is.
従って、上記のような手段を−するえめに紘ダンパウェ
イト０９会長よ）もハブの軸線方向の長さを最くシ１に
砂ればならず、骸ハブにおいてダンパウェイトとＯ嵌合
部から外れえ無駄な部分が形成されると−う不臭会があ
った。Therefore, in order to take the above measures, the length of the hub in the axial direction (Hiro Damper Weight 09 Chairman) must be minimized, and the distance between the damper weight and the O-fitting part of the hub must be adjusted to the maximum length. There was an unpleasant odor when a useless part was formed.
本発明は上記＾プにかけるダンパウェイトとの嵌合部か
ら外れた部分に弾性体を介さないベルト掛は部を形成し
てその部分の有効利用を計ると共に、ハブを回転変動の
少ない駆動プーリとして兼用させ得るようにしたダンパ
装置を提供することを目的とするものである。The present invention forms a belt hook part that does not involve an elastic body at the part that is disengaged from the fitting part with the damper weight applied to the hub, and effectively utilizes that part. The object of the present invention is to provide a damper device that can be used for both purposes.
本発明実施の一例をクランク軸のダンパ装置について図
面によ如説明すると、図中（１）はクランク軸、（２）
はハブである。An example of the implementation of the present invention will be explained with reference to the drawings regarding a damper device for a crankshaft.
is the hub.
上記ハブ（２）は段付の筒状に形成され、その小径部即
ちボス部（ｋ）がクランク軸（１）の端部にキー（３）
を介して誼軸（１）と一体に回転するよう取付けられ、
大径部（２ｂ）がクランク軸（１）側方へ突出している
。The hub (2) is formed into a stepped cylindrical shape, and its small diameter portion, ie, the boss portion (k), is attached to the end of the crankshaft (1) with a key (3).
It is attached to rotate together with the shaft (1) through the
The large diameter portion (2b) projects laterally of the crankshaft (1).
そして、このハブ（２）Ｏ大径部（ｚｂ）外周にダンパ
ウェイト（４）が設けられるが、とのダンパウェイト（
４）は前記大径部（２ｂ）の外径よ）も大径な筒状に形
成されている。A damper weight (4) is provided on the outer periphery of the large diameter portion (zb) of this hub (2).
4) is formed into a cylindrical shape with a large diameter (the outer diameter of the large diameter portion (2b)).
（５）は前記ダンパウェイト（４）の内周に焼付けられ
たゴム材等からなる弾性体であ）、ζＯ弾性体（５）を
介してダンパウェイト（４）がノ・ブ（２）の大径ＩＩ
（Ｔｈ）外周に嵌着されるようになっている。(5) is an elastic body made of a rubber material etc. baked on the inner periphery of the damper weight (4), and the damper weight (4) is attached to the knob (2) via the ζO elastic body (5). Large diameter II
(Th) It is designed to be fitted on the outer periphery.
前記ダンパウェイト（４）の嵌着に際しては、該ウェイ
ト（４）を一旦ハブ（２）の大径部（２ｂ）端部よシ更
にクランク軸（１）側へ押し込み、その後所定位置まで
引き戻すようにしておル、辷れによって弾性体（５）を
押し縮めてそれに予め径方向の初期荷重をかけ、弾性体
（５）の耐久性を高めである。When fitting the damper weight (4), the weight (4) is first pushed further toward the crankshaft (1) from the end of the large diameter portion (2b) of the hub (2), and then pulled back to a predetermined position. The durability of the elastic body (5) is increased by compressing the elastic body (5) by squeezing and applying an initial load in the radial direction to the elastic body (5).
従って、上記ダンパウェイト（４）の嵌着に際して咳ウ
ェイト（４）及び弾性体（５）がハブ（２）から外れな
いようにするため、諌ハブ（２）の大径ｉｔ （Ｚｂ）
における軸線方向の長さがダンパウェイト（４）の嵌合
長よシも長く設定されている。Therefore, in order to prevent the cough weight (4) and the elastic body (5) from coming off the hub (2) when the damper weight (4) is fitted, the large diameter it (Zb) of the rod hub (2) is
The length in the axial direction is set to be longer than the fitting length of the damper weight (4).
しかして、上記ハブ（２）外周に嵌着されたダンパウェ
イト（４）はその回転に伴って慣性モーメントを発生し
、それによ）クランク軸（１）の振動を有効に消去する
。Thus, the damper weight (4) fitted on the outer periphery of the hub (2) generates a moment of inertia as it rotates, thereby effectively canceling vibrations of the crankshaft (1).
一方、上記ダンパウェイ）（４）ｄ内燃機関における補
優類を駆動させる駆動用プーリとして共用されるように
なってお）、その外周に２つのベルト掛は部（４ｍ）が
形成されている。On the other hand, the above-mentioned damper way (4) d) is commonly used as a driving pulley to drive the reinforcement in an internal combustion engine), and two belt hooks (4 m) are formed on its outer periphery. .
（６）は前記ベルト掛けＩＩ（ム）に並列的に複数形成
された凹条であシ、この凹条（６）にベルト（７）内周
に突設され九突条（７ａ）が嵌め合って該ベルト（７）
が清シ止めされている。(6) is a plurality of grooves formed in parallel on the belt hook II (mu), and nine protrusions (7a) protruding from the inner periphery of the belt (7) are fitted into the grooves (6). Match the belt (7)
has been prevented from cleaning.
尚図中（８）はハブ（２）の大径１ｔｓ（２ｂ）内周に
弾性体（９）を介して嵌着されたダンパウェイトであシ
、このダンパウェイト（８）によってもクランク軸（１
）の振動が消去されるようになっている。In addition, (8) in the figure is a damper weight fitted to the inner periphery of the large diameter 1ts (2b) of the hub (2) via an elastic body (9), and this damper weight (8) also allows the crankshaft ( 1
) vibrations are eliminated.
しかして、斯るダンパ装置において、そのハブ（２）の
大径部（２ｂ）外周におけるダンパウェイト（４）との
嵌合部か′ら外れ九部分にベルト掛は部員が形成される
。Thus, in such a damper device, a belt hook member is formed on the outer periphery of the large diameter portion (2b) of the hub (2) at a portion away from the fitting portion with the damper weight (4).
Ｑηは前記ベルト掛は部（２）に並列的に複数形成され
た凹条であシ、この凹条鎮磨にベルト（６）内周に突設
された突条（１２ｍ）が嵌め合う仁とにより、該ベル）
（ｌが滑如止めされている。Qη is a plurality of grooves formed in parallel on the belt hook part (2), and a groove (12 m) protruding from the inner periphery of the belt (6) is fitted into the groove. (by the bell)
(l is not slid.
従って、上記ハブ（２）はベルト掛は部←呻が形成され
たことＫよって内燃機関における補優類を駆動させる駆
動用プーリとして兼用されることになるが、該ハブ（２
）はクランク軸（１）と一体に回転するようになってい
るので回転変動が少なく、回転変動を嫌う１喪な補優類
を正確に駆動させることができる。Therefore, the hub (2) is also used as a drive pulley for driving the auxiliary components in the internal combustion engine because the belt hook is formed with a groove.
) rotates integrally with the crankshaft (1), so there is little rotational variation, and it is possible to accurately drive auxiliary equipment that dislikes rotational variation.
本発明拡叙上の如く構成したので、従来ハブにおいてダ
ンパウェイトとＯ嵌合部から外れた無駄な部分がベルト
掛は部として有効に利用されると共に、ハブが回転軸と
一体に回転することから該ハブを回転変動の少ない駆動
プーリとして兼用させることができる。Expansion of the present invention Since the configuration is as described above, the wasted part of the conventional hub that has come off from the damper weight and the O-fitting part can be effectively used as a belt hook part, and the hub can rotate together with the rotating shaft. Therefore, the hub can also be used as a drive pulley with little rotational fluctuation.
依って所期の目的を達成し得る。Therefore, the intended purpose can be achieved.
図面は本発明ダンパ装置を示す断面図である。
尚図中
（１）・・・クランク軸（回転軸）（２）・・・ハ ブ
（４）・・・ダンパウェイ） （５）−弾性
体（ト）・・・ハブ外周のベルト掛は部The drawing is a sectional view showing the damper device of the present invention. In addition, in the figure (1)... Crankshaft (rotating shaft) (2)... Hub (4)... Damperway) (5) - Elastic body (G)... The belt hook on the outer circumference of the hub is Department
Claims (1)
う筒状のハブが取付けられ、該ハブの外周に弾性体を介
してダンパウェイトが嵌着されると共に、このダンパウ
ェイトの嵌会長よ〕もハブの軸線方向の長さが長く設定
され良問転軸Ｏダンパ装置において、上記ハブの外周に
おけ為ダンパウェイトとの嵌合部から外れ先部分にベル
ト掛は部を形成し九構造。A cylindrical hub is attached to the end of the rotating shaft that transmits power so as to rotate together with the #shaft, and a damper weight is fitted to the outer periphery of the hub via an elastic body. Mr. Chairman] Also, in a rotating shaft O damper device in which the hub is set to have a long axial length, a belt hook part is formed on the outer periphery of the hub at the point where it comes off from the fitting part with the damper weight. Nine structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17474081A JPS5877947A (en) | 1981-10-31 | 1981-10-31 | Damper for rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17474081A JPS5877947A (en) | 1981-10-31 | 1981-10-31 | Damper for rotating shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5877947A true JPS5877947A (en) | 1983-05-11 |
| JPH0327780B2 JPH0327780B2 (en) | 1991-04-17 |
Family
ID=15983839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17474081A Granted JPS5877947A (en) | 1981-10-31 | 1981-10-31 | Damper for rotating shaft |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5877947A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6296141U (en) * | 1985-12-06 | 1987-06-19 | ||
| US4710152A (en) * | 1985-03-13 | 1987-12-01 | Toyota Jidosha Kabushiki Kaisha | Crank damper pulley structure for the internal combustion engine of a car |
| JPS63126637U (en) * | 1987-02-13 | 1988-08-18 | ||
| US5562544A (en) * | 1993-04-10 | 1996-10-08 | Firma Carl Freudenberg | Torsional vibration damper |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57200736U (en) * | 1981-06-16 | 1982-12-21 |
-
1981
- 1981-10-31 JP JP17474081A patent/JPS5877947A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57200736U (en) * | 1981-06-16 | 1982-12-21 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4710152A (en) * | 1985-03-13 | 1987-12-01 | Toyota Jidosha Kabushiki Kaisha | Crank damper pulley structure for the internal combustion engine of a car |
| JPS6296141U (en) * | 1985-12-06 | 1987-06-19 | ||
| JPH0532678Y2 (en) * | 1985-12-06 | 1993-08-20 | ||
| JPS63126637U (en) * | 1987-02-13 | 1988-08-18 | ||
| JPH058356Y2 (en) * | 1987-02-13 | 1993-03-02 | ||
| US5562544A (en) * | 1993-04-10 | 1996-10-08 | Firma Carl Freudenberg | Torsional vibration damper |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0327780B2 (en) | 1991-04-17 |
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