JPS62151643A - Single shaft balancer device of engine - Google Patents

Single shaft balancer device of engine

Info

Publication number
JPS62151643A
JPS62151643A JP29450385A JP29450385A JPS62151643A JP S62151643 A JPS62151643 A JP S62151643A JP 29450385 A JP29450385 A JP 29450385A JP 29450385 A JP29450385 A JP 29450385A JP S62151643 A JPS62151643 A JP S62151643A
Authority
JP
Japan
Prior art keywords
balancer
shaft
drive gear
drive
engine
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
Application number
JP29450385A
Other languages
Japanese (ja)
Other versions
JPH0255661B2 (en
Inventor
Kazuo Miki
和夫 三木
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kawasaki Heavy Industries Ltd
Original Assignee
Kawasaki Heavy Industries Ltd
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 Kawasaki Heavy Industries Ltd filed Critical Kawasaki Heavy Industries Ltd
Priority to JP29450385A priority Critical patent/JPS62151643A/en
Publication of JPS62151643A publication Critical patent/JPS62151643A/en
Publication of JPH0255661B2 publication Critical patent/JPH0255661B2/ja
Granted legal-status Critical Current

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
    • F16F15/22—Compensation of inertia forces
    • F16F15/26—Compensation of inertia forces of crankshaft systems using solid masses, other than the ordinary pistons, moving with the system, i.e. masses connected through a kinematic mechanism or gear system
    • F16F15/264—Rotating balancer shafts
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Abstract

PURPOSE:To improve response for race by providing a balancer driving gear which is also used as a driving gear for auxiliary machinery, and detaching only a balancer shaft from an engine. CONSTITUTION:A balancer driving gear 20 formed separately from a balancer shaft 7 is detachably fixed to the side end portion of auxiliary machinery such as a water pump 12 of the balancer shaft 8 supported on a crank case 1 by a bolt 23. A boss portion of the balancer driving gear 20 is rotatably supported on the crank case 1. A driving shaft 16 of the auxiliary machinery is disposed in series on the same axis as the balancer shaft 8, and one end of the driving shaft is detachably connected to the balancer driving gear 20.

Description

【発明の詳細な説明】 （産業上の利用分野） 本発明はエンジンの１軸バランサ装置によ１する。[Detailed description of the invention] (Industrial application field) The present invention is based on a uniaxial balancer device for an engine.

（従来技４ｆｊ及びその問題点） 従来の１軸バラン（す装置は、バラン４）軸とバランリ
駆動ギＡ１とが一体成形されてＪｊす、またそのＪ：う
なバランサ駆動ギヤを例えばウォーターポンプの駆動ｌ
１ｉｔにスプライン嵌合し又、ウォーターポンプの駆動
ギヤとして兼用しているものがある。(Prior art 4fj and its problems) In the conventional single-shaft balun (balun 4) shaft and balance drive gear A1 are integrally molded, the balancer drive gear A1 can be used, for example, in a water pump. drive l
There is one that is spline-fitted to the 1it and also serves as the water pump's drive gear.

一般に自動２輪車のエンジンに１軸バランリ゛装置を備
えている場合において、一般道路を走行する場合にはバ
ランサによるエンジン撮動減衰効果は有効であるが、レ
ース等に使用する場合には、レスポンスの向上のために
バランサ装置を取外した方が有効である。ところが従来
のようにバランサ軸とバランサ駆動子＼７とを一体成形
し、かつバランサ駆動ギヤをつ４−ターポンプの駆動子
Ａ１としてす、ｌｆｊ用づ゛るＪ：うにしていると、バ
ランサ−Ｉｈｌ＋を取外りことができなく、レスポンス
の向上を図ることはできない。In general, when a motorcycle engine is equipped with a single-shaft balancer device, the engine image damping effect by the balancer is effective when driving on general roads, but when used for races etc. It is more effective to remove the balancer device to improve response. However, if the balancer shaft and the balancer drive element \7 are integrally molded as in the past, and the balancer drive gear is used as the driver element A1 of the 4-ter pump. Ihl+ cannot be removed and response cannot be improved.

（発明の目的） 本発明の目的は、バランサ駆動ギＶを補□類の駆動ギヤ
に兼用できるにうにすると共に、バランサ。(Object of the Invention) An object of the present invention is to enable the balancer drive gear V to be used also as an auxiliary drive gear, and to provide a balancer.

軸のみをエンジンから取外せるようにして、レース用に
レスポンスを向りできるにうにＪることである。By making it possible to remove only the shaft from the engine, the response can be adjusted for racing.

（目的を達成Ｊるための手段） 上記１−１的を達成するｌこめに本発明は、ウォーター
ポンプ等の補機類の駆りＪＱｌｋとバランリ゛軸とを同
一’Ｉｌ＋芯にｎ“１列に配冒し、バラン１す軸とは別
体に形成されたバランサ駆動ギヤ７をバラン９−１１＋
のｊｉｌｔ　ｔｔｌ類側の端部にボルトにより着脱自在
に固ン１し、バランリ駆動１′−Ａ７のボス部をクラン
クケースに回転自在に支持し、補機類の駆動軸をバラン
リ駆動ギヤに６脱自在に；ル結し、バラン１駆動ギヤを
残してバランサ軸のみを取外せるようにしている。(Means for Achieving the Object) In order to achieve the above-mentioned object 1-1, the present invention provides an arrangement in which the drive JQlk of auxiliary equipment such as a water pump and the balance shaft are arranged in n"1 rows on the same core. The balancer drive gear 7, which is formed separately from the shaft of the balance 1, is connected to the balance 9-11+.
It is removably fixed with a bolt 1 to the end of the jilt ttl type, and the boss part of the balunry drive 1'-A7 is rotatably supported on the crankcase, and the drive shaft of the auxiliary equipment is attached to the balunry drive gear 6. It is removably connected so that only the balancer shaft can be removed, leaving the balance 1 drive gear behind.

（′、に施例） 水平断面図を示す図面において、クランクケース１は合
わせ而Ａを境として２つ割りに構成されるど共に、ボル
ト２により一体的に結合されてＪ３す、クランクケース
１には軸受３を介してクランク１１１１５が回転自在に
支持されている。クランクケース１の前部にはバランサ
室６が形成され、バランサ室６内には左右端部にウェイ
ト部８ａを備えた１１Ｉ！ｌ１１次バ゛ノンサ軸８が収
納されている。バランサ室６の左端部には円板状のバラ
ンサ室ハウジング１７がいんろう嵌合し、上記ボルト２
を利用してクランクケース１に固着されている５、バラ
ン唾す軸８の左※η：部はニードル軸受１８を介してバ
ランリー室ハウジング１７に支承されてＪｊす、バラン
１すｌｌｌｌ８の右端部はバラン（Ｊ駆動ギ〜７２０と
」（に軸受２１を介してクランクケース１に支承されて
いる。クランクケース１の右端面にはクラッチカバ−１
０がポル１〜１１ににり固着されてＪ３す、クラッチカ
バー１０の端面には、ｒ″）Ａ−ターポンプ１２のポン
プケーシング１５が固着され、ウォーターポンプ１２の
ポンプ駆動軸１６はバランリー軸８と同一軸芯上に配置
されている。(Example shown in ') In the drawing showing the horizontal cross-sectional view, the crankcase 1 is divided into two halves with a boundary A as the boundary, and both parts are integrally joined by bolts 2 to J3. A crank 11115 is rotatably supported via a bearing 3. A balancer chamber 6 is formed in the front part of the crankcase 1, and inside the balancer chamber 6, weight parts 8a are provided at the left and right ends. A 11th-order banon sensor shaft 8 is housed. A disc-shaped balancer chamber housing 17 is fitted into the left end of the balancer chamber 6 with a bolt 2.
The left side of the balun shaft 8 is fixed to the crankcase 1 using the needle bearing 18. is supported by the crankcase 1 via a bearing 21 on the balun (J drive gear 720).On the right end surface of the crankcase 1 is a clutch cover 1.
The pump casing 15 of the A-tar pump 12 is fixed to the end face of the clutch cover 10, and the pump drive shaft 16 of the water pump 12 is fixed to the valance shaft 8. is located on the same axis as the

バランサ駆動ギヤ２０はバランサ軸８とは別体に形成さ
れており、補助ウェイト２２と共に複数のボルト２３に
よりバランサ軸８の右端面に着脱自在に固着され、クラ
ンク情５のクランクケース２４に噛合っている。バラン
サ軸８どバラン１ノ駆動ギヤ２０は位置決めビン１９に
より回転方向の位置決めがなされている。バラン１駆動
ギヤア２０はｌＣ側に少し延びる筒軸部２０ａを一体に
備え、該筒軸部２０ａの外周面が軸受２１を介してクラ
ンクケース１に支承されている。一方バランサ軸８の右
ＯＨｉ部には上記筒軸部２０ａと同一外径のフランジ部
８ｂが一体に形成されており、該フランジ部８ｂの外周
面が軸受２１を介してクランクケース１に支承されてい
る。即ら軸受２１はその内周面の右゛ト分でバランサ駆
動ギヤ２０を支承し、左’１ｔ−分でバラン９ｌｌ４Ｉ
８の右端フランジ部８ｂを支承している。Ｊ、たバラン
サ軸８の右側ウェイト部８ａの右９ｉ；縁は軸受２１の
内環の左端縁に当接し、バラン丈駆動−１！　Ｘ７２０
の段部２０ｂは軸受２１の内環の右端縁に当接している
。さらに軸受２１の外１９３の左端縁【、Ｌクランクケ
ース１の段部２５に当接して位置決めされ、軸受２１の
外環の右端縁は係止ブレーｉ〜２６（ワッシャ）に係止
されている。The balancer drive gear 20 is formed separately from the balancer shaft 8, is removably fixed to the right end surface of the balancer shaft 8 together with an auxiliary weight 22 by a plurality of bolts 23, and meshes with the crankcase 24 of the crank case 5. ing. The drive gear 20 of the balancer shaft 8 and the balance 1 is positioned in the rotational direction by a positioning pin 19. The balun 1 drive gear 20 is integrally equipped with a cylindrical shaft portion 20a that extends slightly toward the LC side, and the outer peripheral surface of the cylindrical shaft portion 20a is supported by the crankcase 1 via a bearing 21. On the other hand, a flange portion 8b having the same outer diameter as the cylindrical shaft portion 20a is integrally formed on the right OHi portion of the balancer shaft 8, and the outer peripheral surface of the flange portion 8b is supported by the crankcase 1 via a bearing 21. ing. That is, the bearing 21 supports the balancer drive gear 20 at the right end of its inner peripheral surface, and supports the balancer drive gear 20 at the left end.
8 supports the right end flange portion 8b. J, the right side 9i of the right weight portion 8a of the balancer shaft 8; the edge abuts the left edge of the inner ring of the bearing 21, and the balance length is driven -1! X720
The stepped portion 20b is in contact with the right edge of the inner ring of the bearing 21. Furthermore, the left end edge of the outer ring 193 of the bearing 21 is positioned in contact with the stepped portion 25 of the L crankcase 1, and the right end edge of the outer ring of the bearing 21 is locked with locking brakes i to 26 (washers). .

係＋ｔ＝プレート２６はボルト（図示ゼず）にＪ：り肴
説自６にクランクケース１に固着されている。The plate 26 is fixed to the crankcase 1 by a bolt (not shown).

バラン１駆動ギヤノ２０には内周スプライン歯２７が形
成されてａ３つ、該内周スプライン歯２７に１１；ンｆ
駆動軸１６の先端外１−２１スプライン歯２ε３がスプ
ライン嵌合している。１ポンプ律動Ｉｌ！ｌ１１６は軸
受３０を介してクラッチカバー１０に回転自在に支持さ
れており、ポンプ駆動軸１６のポンプケーシング１５内
の端部にはポンプ羽根３１が固着されている。３２は水
吸入口、３３は水吐出部、３４はシール、３５はドレン
プラグである。Ｊ：た３６はクランクビンである。The balun 1 drive gear knob 20 is formed with three inner spline teeth 27, and the inner spline teeth 27 have three inner spline teeth 27 and 11;
The outer tip 1-21 spline teeth 2ε3 of the drive shaft 16 are spline-fitted. 1 pump rhythm Il! 116 is rotatably supported by the clutch cover 10 via a bearing 30, and a pump vane 31 is fixed to the end of the pump drive shaft 16 inside the pump casing 15. 32 is a water inlet, 33 is a water discharge part, 34 is a seal, and 35 is a drain plug. J: 36 is a crank bottle.

（作用） 図示のエンジンを搭載しＩＪ自動２輪車を例えば一般道
路走行に用いる場合には、バランサｌＩ！ＩＩ８を備え
ておいて、エンジンのクランク帖回転ににるアンバラン
スを昨正し、振動を低減さ゛け°る。(Function) When an IJ motorcycle equipped with the engine shown in the figure is used for driving on general roads, for example, the balancer lI! II8 is provided to correct the imbalance caused by engine crank rotation and reduce vibration.

レースに使用するためにバランサ軸８を取外す場合には
、まずクラッチカバー１０をポンプケーシング１５及び
ポンプ駆動軸１６と共にクランクケース１から取外し、
ポンプ駆！ｌ！ＩＪ軸１６をバラン畳す駆動ギヤ２０か
ら扱く。When removing the balancer shaft 8 for use in racing, first remove the clutch cover 10 along with the pump casing 15 and pump drive shaft 16 from the crankcase 1,
Pump drive! l! The IJ shaft 16 is handled from the drive gear 20 that balances it.

次に係止ブレー１へ２６を外し、バランサ軸８をそのウ
ェイト部８　ａが仮想線のように前方にくるにうに回転
さＵ、バランリ′駆４すＪ−１′Ａ７２０及び１袖受２
１等と」（に７ｊ方に扱く。Next, remove 26 from the locking brake 1, and rotate the balancer shaft 8 so that its weight part 8a is forward as shown in the imaginary line.
Treated as 1st prize.

モしてバランサ駆動ギ＼７２０からバランサ軸８、狗１
ｉ　１１．ｌ＋ウェイト２２、ボルト２３及び位「１決
めピン１９を外し、バランサ駆動ギ″Ｘ’　２０のみを
軸受２１を介してクランクケース１に装着づ−る。しか
る（股にクラッチカバー１０をポンプケーシング１５及
びポンプ駆動軸１６等と共にクランクケース１に装着し
、ポンプ駆動軸１６をバランリ駆動ギヤ２０にスプライ
ン嵌合さＵる。（ｌｌｌらバランサ駆動ギヤ２０はウォ
ーターポンプ駆動用のギヤとしてのみの役目を宋づ。ま
たバランサｌｌｌ１ｌ１８を外ＪことにＪ、リ−［ンジ
ンのレスポンスが向上する。From balancer drive gear ＼720 to balancer shaft 8, dog 1
i 11. Remove the weight 22, bolt 23, and fixing pin 19, and attach only the balancer drive gear 20 to the crankcase 1 via the bearing 21. (Attach the clutch cover 10 to the crankcase 1 along with the pump casing 15 and pump drive shaft 16, etc., and spline fit the pump drive shaft 16 to the balancer drive gear 20. It serves only as a gear for driving the water pump.Additionally, by using the balancer outside the engine, the response of the engine is improved.

（別の実施例） 図示の実施例では、バランサ駆動ギヤに連結する補機類
としてつＡ−クーポンプを備えているが、その伯に潤ｆ
ｆｆ油ポンプあるいは発電機等各種の補機類にも適用で
きる。(Another Embodiment) In the illustrated embodiment, an A-coupon pump is provided as an auxiliary device connected to the balancer drive gear.
It can also be applied to various auxiliary equipment such as FF oil pumps or generators.

（発明の効宋） 以上説明したように本発明は、ウォーターポンプ等の補
機類の駆動軸とバランサ軸とを同一＋Ｉｉｂ芯に直ＩＪ
ＩＪに配置し、バラン）ノ軸とは別体に形成されたバラ
ン（す駆動ギヤをバランサ駆動軸の補機類側の端部にポ
ルｌ−にＪ、すｎ　１１！２自在に固ン）し、バランサ
駆動ギヤの軸部をクランクケースに回転自在に支持し、
補機類駆動軸をバランサ駆動１゛＼゛Ｉに着脱自在に連
結し、バランリ駆動ギＶを残してバランサ軸のみを取外
せるようにしているので次のＪ：うな利点がある。(Effects of the Invention) As explained above, the present invention allows the drive shaft of auxiliary equipment such as a water pump and the balancer shaft to be connected directly to the same +Iib core.
The balun drive gear, which is placed in IJ and formed separately from the balun shaft, is fixed freely to the end of the balancer drive shaft on the auxiliary equipment side. ), and the shaft of the balancer drive gear is rotatably supported in the crankcase.
The auxiliary equipment drive shaft is detachably connected to the balancer drive 1'\'I, and only the balancer shaft can be removed, leaving the balance drive gear V, so there are the following advantages.

（１）ウォーターポンプ駆動＠１６をバランサ軸８と同
軸芯上の配置してバランサ駆動１！　ｊ７２０に連結づ
ることににす、バランリ駆動ギヤ２０をウォーターポン
プ駆動用どバランサ駆動用に兼用しているので、つＡ−
タボンブ駆動Ｉａ　４”４の部品点数を節約でき、部品
コストの低減、コンパクト化及び重量軽減を達成できる
。(1) Balancer drive 1 by arranging the water pump drive @16 on the same axis as the balancer shaft 8! The balance drive gear 20 connected to J720 is also used for driving the water pump and other balancers, so the A-
The number of parts of the tab drive Ia 4"4 can be saved, and parts cost, compactness, and weight reduction can be achieved.

（２）バランサ軸８とバラン４ノ駆勅ギヤ２０とを別体
に形成して、両者８．２０を着脱自在に結合しているの
で、バランサ軸８を取外しても、ウォーターポンプ１２
をバランサ駆動ギヤ２０により駆動できる状態に残して
おくことができる。(2) Since the balancer shaft 8 and the balance 4 drive gear 20 are formed separately, and the two 8.20 are detachably connected, even if the balancer shaft 8 is removed, the water pump 12
can be left in a state where it can be driven by the balancer drive gear 20.

即ちバランサ駆＋７＋ギせ２０をウォーターポンプ駆動
用にＡｋ用しながらｂ１バランＶ軸８のみを適宜取外し
てｂウォーターポンプ１を作動可能状態に軒１持できる
ので、例えば自動２輪車用エンジンの場合に、一般通路
走行用にはバランサ軸８を装着してＪ３いて、エンジン
振動を低減し、一方レース用にはｔｌ’ｌ性マスの増大
ににるレスポンスの低下を防」１−ツるためにバランサ
軸８を取外してｄ３　＜ことができる。That is, while using the balancer drive + 7 + gear 20 for driving the water pump, it is possible to remove only the b1 balun V shaft 8 as appropriate and keep the b water pump 1 in an operable state. In the case of J3, a balancer shaft 8 is installed for general passage driving to reduce engine vibration, while for racing, it prevents a decrease in response due to an increase in tl'l mass. Therefore, the balancer shaft 8 can be removed and d3<.

【図面の簡単な説明】[Brief explanation of drawings]

図面１ユ木発明を適用した自動２輪車用エンジンの水平
断面図である。１・・・クランクケース、Ｅ３・・・バ
ランサ軸、１２・・・つＡ−クーポンプ（補機類の一例
）、１６・・・ウォーターポンプ駆動軸、２０・・・バ
ランサ駆動−ギヤ、２３・・・ポル１〜￥ｆ　ｉ＋’Ｆ
出願人　川崎重工業株式会ネト・Ｊ　・・１．２ 代理人　弁理士　大森忠イ、ご、１１．・１）Ｙ、袷！
、。FIG. 1 is a horizontal sectional view of a motorcycle engine to which the invention is applied. DESCRIPTION OF SYMBOLS 1... Crank case, E3... Balancer shaft, 12... Two A-coupon pumps (an example of auxiliary equipment), 16... Water pump drive shaft, 20... Balancer drive gear, 23・・・Pol 1~￥f i+'F
Applicant Kawasaki Heavy Industries, Ltd. Neto J...1.2 Agent Patent attorney Tadashi Omori, 11.・1) Y, sleeve!
,.

Claims (1)

【特許請求の範囲】[Claims] ウォーターポンプ等の補機類の駆動軸とバランサ軸とを
同一軸芯に直列に配置し、バランサ軸とは別体に形成さ
れたバランサ駆動ギヤをバランサ軸の補機類側の端部に
ボルトにより着脱自在に固着し、バランサ駆動ギヤの軸
部をクランクケースに回転自在に支持し、補機類の駆動
軸をバランサ駆動ギヤに着脱自在に連結し、バランサ駆
動ギヤを残してバランサ軸のみを取外せるようにしてい
ることを特徴とするエンジンの１軸バランサ装置。The drive shaft of auxiliary equipment such as a water pump and the balancer shaft are arranged in series on the same axis, and the balancer drive gear, which is formed separately from the balancer shaft, is bolted to the end of the balancer shaft on the auxiliary equipment side. The shaft of the balancer drive gear is rotatably supported by the crankcase, and the drive shaft of the auxiliary equipment is removably connected to the balancer drive gear, leaving only the balancer drive gear and only the balancer shaft. A single-axis balancer device for an engine, characterized in that it is removable.
JP29450385A 1985-12-25 1985-12-25 Single shaft balancer device of engine Granted JPS62151643A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP29450385A JPS62151643A (en) 1985-12-25 1985-12-25 Single shaft balancer device of engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29450385A JPS62151643A (en) 1985-12-25 1985-12-25 Single shaft balancer device of engine

Publications (2)

Publication Number Publication Date
JPS62151643A true JPS62151643A (en) 1987-07-06
JPH0255661B2 JPH0255661B2 (en) 1990-11-28

Family

ID=17808615

Family Applications (1)

Application Number Title Priority Date Filing Date
JP29450385A Granted JPS62151643A (en) 1985-12-25 1985-12-25 Single shaft balancer device of engine

Country Status (1)

Country Link
JP (1) JPS62151643A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02124345U (en) * 1989-03-23 1990-10-12

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02124345U (en) * 1989-03-23 1990-10-12

Also Published As

Publication number Publication date
JPH0255661B2 (en) 1990-11-28

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