JPS59192833A - Fuel increasing apparatus used at the time of starting governor of internal-combustion engine - Google Patents
Fuel increasing apparatus used at the time of starting governor of internal-combustion engineInfo
- Publication number
- JPS59192833A JPS59192833A JP6738783A JP6738783A JPS59192833A JP S59192833 A JPS59192833 A JP S59192833A JP 6738783 A JP6738783 A JP 6738783A JP 6738783 A JP6738783 A JP 6738783A JP S59192833 A JPS59192833 A JP S59192833A
- Authority
- JP
- Japan
- Prior art keywords
- governor
- lever
- spring
- fuel
- control lever
- 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
- 239000000446 fuel Substances 0.000 title claims description 23
- 238000002485 combustion reaction Methods 0.000 title claims description 3
- 230000006978 adaptation Effects 0.000 abstract 4
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 230000001012 protector Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D1/00—Controlling fuel-injection pumps, e.g. of high pressure injection type
- F02D1/02—Controlling fuel-injection pumps, e.g. of high pressure injection type not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered
- F02D1/04—Controlling fuel-injection pumps, e.g. of high pressure injection type not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered by mechanical means dependent on engine speed, e.g. using centrifugal governors
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- High-Pressure Fuel Injection Pump Control (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は内燃機関用ガバナの始動時燃料増量装置に関す
るもので、ガバナケースを拡大することなくアングライ
ヒ装置を容易に配設できるようにすることを目的として
いる。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a starting fuel increase device for a governor for an internal combustion engine, and an object of the present invention is to enable easy installation of an Angleich device without enlarging the governor case.
ガバナケース内において、ガバナウェイトと連動するス
ラスタ−にガバナレバーの下端部を当接させ、ガバナレ
バー下端部の背後（スラスタ−と反対側）にガバナスゲ
リングと係合するテンションレバーの下端部を配置し、
ガバナレバーとテン、ジョンレバーの各下端部間にアン
グライヒ装置と始動時燃料増量装置を並設すると、その
部分が嵩張り、ガバナケースの内部スペースを拡大する
必要が生じ、ガバナが大形化する。又上記両装置がガバ
ナレバーを支持しているコントロールレバー軸の長手方
向に間隔をへたてて配設されるため、ガバナレバーがコ
ントロールレバー 軸中心ｋ 含ｔｒ面内で曲げモーメ
ントによシこじれ、動作か不円滑になる恐れがある。Inside the governor case, the lower end of the governor lever is brought into contact with the thruster that interlocks with the governor weight, and the lower end of the tension lever that engages with the governor gelling is placed behind the lower end of the governor lever (on the opposite side from the thruster). ,
If the Angleich device and the start-up fuel increase device are installed side by side between the lower ends of the governor lever and the balance and lever levers, that part will become bulky, and the internal space of the governor case will need to be expanded, resulting in an increase in the size of the governor. In addition, since both of the above devices are arranged at a distance from each other in the longitudinal direction of the control lever shaft that supports the governor lever, the governor lever may be twisted and moved by a bending moment in the plane including the center of the control lever shaft. Otherwise, it may become unsmooth.
の中のスラスタ−の軸方向外側にアングライヒ装置を設
け、始動時増量用のスタートスプリングをコントロール
レバー軸上方に設けることで、アングライヒ装置と始動
時燃料増量装置をコントロールレバー軸の上下に振分け
、アングライヒ装置付の始動時燃料増量装置をコンパク
トＩて得られるようにしたもので、次に区画によ）説明
する。An Angleich device is installed on the outside of the thruster in the axial direction, and a start spring for increasing fuel at startup is installed above the control lever shaft, so that the Angleich device and the fuel increase device at startup are distributed above and below the control lever shaft. This is a starting fuel increase device with a device that can be obtained with a compact I, and will be explained below by section.
！＆断側面を示す第１図において、燃料噴射ポンプ１に
ガバナレース２が複数個のホルト黒により飾光−され、
ガバナケース２内にはガバナウェイト３、スラスタ−４
、ガバツーレバー５、テンションレバー６、スプリング
レバー７ 、ガバナｙ、、り＋） ７グ９、コントロー
ルレバー軸１０等が内蔵されている。ポンプ１のカム軸
１２はガノくナケース２内へ突出し、その前端部（図の
左端部）のサポート１３ｖＣガバナウエイト３が支軸１
４を介して回動自在に支軸され、ガバナウェイト３はス
ラスタ−４に係合し、カム！１１］１２の回転数が増加
してガノ（ナラエイト３か３゛のように拡開した時、ス
ラスタ−４が矢印Ｘ１方向前方へ張り出すようになって
いる。スラスタ−４０前端にはスラスト軸受１５を介し
て当金１６が支持されており、この当金１６はガバナレ
バー５の下端部５ａに設けたビン１７に当接している。! & In FIG. 1 showing the cross-sectional side, the governor race 2 on the fuel injection pump 1 is decorated with a plurality of Holt black colors,
Governor case 2 contains governor weight 3 and thruster 4.
, governor lever 5, tension lever 6, spring lever 7, governor y, lever 9, control lever shaft 10, etc. are built-in. The camshaft 12 of the pump 1 protrudes into the gun case 2, and the support 13vC governor weight 3 at its front end (left end in the figure) is attached to the support shaft 1.
4, the governor weight 3 engages with the thruster 4, and the cam! 11] When the rotation speed of 12 increases and it expands like Gano (Nara Eight 3 or 3゛), thruster 4 extends forward in the direction of arrow X1. A thrust bearing is installed at the front end of thruster 40. A stopper 16 is supported via the lever 15, and the stopper 16 is in contact with a pin 17 provided at the lower end 5a of the governor lever 5.
ガバナレバー５はコントロールレバー軸ｌＯ上に回動自
在に支承されており、上端部は引張スプリング１８を介
してラック１９に接続している。２０はラック１９に係
合するストップ機構である。The governor lever 5 is rotatably supported on a control lever shaft IO, and its upper end is connected to a rack 19 via a tension spring 18. 20 is a stop mechanism that engages with the rack 19.
ガバナレバー下端部５ａの前方（第１図左方）には、第
１図に示すアイドリンク時に間隔２１をへたててテンシ
ョンレバー６の下端部６ａがあシ、テンションレバー下
端部６ａ内のアングライヒスプリング２２で支持された
ビン２４は間隔２５をへたててビン１７に対向している
。アングライヒスプリング２２はテンションレバー下ｇ
ＨＪ６ａＫ差合したカップ状の受金２６の底部とビン２
４０頭部との間に縮設されており、ビン２４をビン１７
側へ付勢してアングライヒ装置Ａの主要部全形成してい
る。図示の実施例では補助スプリング３７とその調整ボ
ルト３８もアングライヒ装置への一部トｆｚ ル。テン
ションレバー６もコントロールレバー軸１０上に回転自
在６′（支承されており、テンションレバー６の上佐婬
部のビン２８にガバナスゲリング９の後端が係合し、ガ
バナスプリング９の前端はスプリングレバー７上幻の孔
２９に係合している。スプリングレバー７のボスｆ＋ｊ
７ａはコントロールレバー軸１０上にビン３０によシ固
着すしている。３１は燃料制限ボルトで、ガバナケース
２に螺合し、後端にはテンションレバー６の上端部６ｂ
が圧接している。In front of the lower end portion 5a of the governor lever (on the left in FIG. 1), there is a lower end portion 6a of the tension lever 6 with a gap 21 at the time of idle link shown in FIG. A bin 24 supported by an Ich spring 22 faces the bin 17 with a distance 25 between them. Angleich spring 22 is under the tension lever g
HJ6aK The bottom of the cup-shaped receiver 26 and the bottle 2
40 heads, and the bin 24 is connected to the bin 17.
The entire main part of the Angleich device A is biased toward the side. In the illustrated embodiment, the auxiliary spring 37 and its adjusting bolt 38 are also partially torqued to the Angleich device. The tension lever 6 is also rotatably supported on the control lever shaft 10, and the rear end of the governor gelling 9 engages with the pin 28 on the upper part of the tension lever 6, and the front end of the governor spring 9 It is engaged with the phantom hole 29 on the spring lever 7. The boss f+j of the spring lever 7
7a is fixed to the pin 30 on the control lever shaft 10. Reference numeral 31 denotes a fuel restriction bolt, which is screwed into the governor case 2, and has an upper end 6b of the tension lever 6 at the rear end.
are in pressure contact.
テンションレバー上端部６ｂとボルト３１の当接部より
や＼下方のテンションレバー６にハ前開きの凹部３２が
設けてあり、この凹部３２の開口を間隙３３をへたてて
覆うようにガバナレバー５の前線に庇状のばね受３４が
形成され、凹部３２の底面とばね受３４０間に始動増量
用のスタートスプリング３５が縮設されている（第２図
）。A front-opening recess 32 is provided in the tension lever 6 below the abutting area between the tension lever upper end 6b and the bolt 31, and the governor lever 5 is inserted so as to cover the opening of this recess 32 by flattening the gap 33. An eave-shaped spring receiver 34 is formed at the front of the recess 32, and a start spring 35 for increasing the starting amount is contracted between the bottom surface of the recess 32 and the spring receiver 340 (FIG. 2).
コントロールレバー軸１０のガバナケース外突出部には
コントロールレバー（図示せず）が固着サレ、このコン
トロールレバーをフリーにした時には戻しスプリング（
図示せず）によりスプリングレバー７は図示のアイドリ
ンク位置に保持される。運転時にコントロールレバー軸
１０ｉｄ矢印Ｘ２方向に操作される。A control lever (not shown) is fixed to the protrusion of the control lever shaft 10 outside the governor case, and when the control lever is released, a return spring (
(not shown) holds the spring lever 7 in the idle link position shown. During operation, the control lever shaft 10id is operated in the direction of arrow X2.
第３図はランク目盛（燃料噴射量、トルクに対応する）
と燃料噴射ポンプ回転数の関係を示すグラフで、図中Ｎ
ａは定格回転数、Ｒａは定格噴射量制限点のラック目盛
、Ｎｂ１−ｉ、）ルクライズ点の回転数、Ｒ１）はトル
クライズ点のラック目盛、ＮＯはトルクライズ終了点の
回転数、Ｈはトルクライス量（ラック移動量）であり、
Ｈ＝Ｒｂ−Ｒａである。Figure 3 shows the rank scale (corresponding to fuel injection amount and torque)
This is a graph showing the relationship between N and fuel injection pump rotation speed.
a is the rated rotation speed, Ra is the rack scale at the rated injection amount limit point, Nb1-i,) is the rotation speed at the torque rise point, R1) is the rack scale at the torque rise point, NO is the rotation speed at the torque rise end point, and H is the rotation speed at the torque rise point. The torque increase amount (rack movement amount) is
H=Rb-Ra.
次に動作を説明する。始動時には、始動増量用のスター
トスプリング３５の取付荷重がガバナウェイト３のスラ
スト荷重よシも強く、ラック１９を図示の始動位置に保
持し、間隙３３．２５ができているためラック１９は前
方（増量側）へ多く引かれ、燃料噴射量が増して始動が
容易になる（第３図ａ−ｂ）。始動後の機関回転数の増
加によシスラスター４が前方へ張力出し、スタートスプ
リング３５とガバナスプリング９は直列に作用する。第
３図す点でスラスト荷重とスタートスプリング３５の取
付荷重が約９合い、それ以降はスラスト荷重が強くなる
（第３図ｂ−ｃ）。０点で始動ストロークが終り、間隙
３３は０になる。引き続きポンプ回転数の増加によルピ
ン１７．２４が当接してアングラヒスブリング２２が作
用しく第３図ｃｌ−ｅ）、引き続きガバナレバー下端部
５ａが補助スプリング３７に当接して両スプリング２２
．３７が作用しく第３図ｅ−ｆ）、各負荷状態における
定格回転数に達すると、ガバナレバー下端部５ ＥＬ、
Ｈ第１図５”ａのようにテンションレバー下端部６Ｆ）
、Ｖ（当接一体化し、その後はガバナスプリング９のみ
による調速機能が発揮される。Next, the operation will be explained. At the time of starting, the mounting load of the start spring 35 for increasing the starting amount is stronger than the thrust load of the governor weight 3, and the rack 19 is held at the starting position shown in the figure. (Fig. 3 a-b). As the engine speed increases after starting, the system thruster 4 exerts tension forward, and the start spring 35 and governor spring 9 act in series. At the point shown in Fig. 3, the thrust load and the mounting load of the start spring 35 match approximately 9, and the thrust load becomes stronger from then on (Fig. 3 b-c). The starting stroke ends at the zero point, and the gap 33 becomes zero. As the pump rotational speed continues to increase, the pins 17 and 24 come into contact with each other, causing the anchor ring 22 to operate (Fig. 3 cl-e), and then the lower end portion 5a of the governor lever comes into contact with the auxiliary spring 37, causing both springs 22 to come into contact with each other.
．． 37 is activated (Fig. 3 e-f), and when the rated rotation speed is reached in each load state, the governor lever lower end 5 EL,
Lower end of the tension lever 6F as shown in Figure 1 5"a)
, V (contact and integrate, and thereafter the speed regulating function is performed only by the governor spring 9.
コントロールレバー軸１０を第１図矢印Ｘ２方向に操作
して設定回転数を変える場合は、コントロールレバー軸
ｌＯと一体のスフリングレバー７が矢印Ｘ２方向に回動
し、ガバナスプリング９のばね力が増加し、設定回転数
が増加する。コントロールレバー軸１０を逆Ｘ２方向へ
操作すると、ガバナスプリング９のばね力が実質的に低
下したのと同様の状態になシ、設定回転数が減少する。When changing the set rotation speed by operating the control lever shaft 10 in the direction of arrow X2 in FIG. 1, the spring lever 7 integrated with the control lever shaft IO rotates in the direction of arrow The set rotation speed increases. When the control lever shaft 10 is operated in the reverse X2 direction, the spring force of the governor spring 9 is substantially reduced, and the set rotational speed is reduced.
以上説明したように本発明においては、ガバナウェイト
３と連動するスラスタ−４に当接するガ、 バナレ
バ−５のラック給金側部分（凹部３２）と、コントロー
ルレバーにガバナスフリング９を介して給金されるテン
ションレバ−６０対向部分（ハね受３４）間に、テンシ
ョンレノ（−６がガノくナケース２に取シ付けた燃料制
限ボルト３１に当接した状態で、始動時燃料増蓋方向に
設定ストローク（間隙３３）だけラック１９を偏倚させ
るスタートスプリング３５を挟設したので・スタートス
プ’）７グ３５がコントロールレノく一軸１０の上方の
スペース内に設けられ、その分だけ軸ｌＯの下方にデッ
ドスペースが得られ、そのスペースを利用してアングラ
イヒ装置Ａｉガノ（ナケース２を拡大することなく容易
に配設できる利点がある。又アングライヒ装置Ａ（スプ
リング２２．３７ｆ：きむ）トスタートスプリング３５
をコントロールレノく一軸１０と直角な垂直面上に配置
できるため、コントロールレバー軸ｌＯの中心Ｍｅ含む
面内でテンションレバー６やガバナレバー５にこじれ力
が作用せず、このため調速作用が円滑になる。As explained above, in the present invention, the moat that contacts the thruster 4 that is linked to the governor weight 3, the rack feeding side portion (recess 32) of the governor lever 5, and the control lever are fed through the governor string 9. When the tension lever 60 is in contact with the fuel restriction bolt 31 attached to the case 2, the tension lever 60 is moved in the direction of increasing the fuel cover at the time of starting. Since the start spring 35 that biases the rack 19 by the set stroke (gap 33) is provided, the start spring 35 is provided in the space above the control lever shaft 10, and the shaft 10 is moved downward by that amount. A dead space is obtained, and this space can be used to easily install the Angleich device A (spring 22.37f) to start spring 35 without enlarging the Angleich device A (spring 22.37f: Kimu).
Since the control lever can be placed on a vertical plane perpendicular to one axis 10, no twisting force is applied to the tension lever 6 or the governor lever 5 in the plane including the center Me of the control lever axis 10, and therefore the regulating action is smooth. Become.
第１図のＩＶ−Ｎ断面を示す第４図において、燃料噴射
ポンプｌのプランジャ４０の嵌合しているシリンダ４１
には、加圧行程の所定時期に加２圧室４２内の加圧燃料
を逃がすだめのスピルボート４３が設けてあり、スピル
ボート４３に対向するポンプ本体４４側の燃料穴４５の
内面には機影のデフレクタ４６が嵌入固定されている。In FIG. 4 showing the IV-N cross section of FIG. 1, the cylinder 41 in which the plunger 40 of the fuel injection pump
is provided with a spill boat 43 for releasing the pressurized fuel in the pressurizing chamber 42 at a predetermined time of the pressurizing stroke, and a fuel hole 45 on the side of the pump body 44 facing the spill boat 43 is provided with a spill boat. A deflector 46 is fitted and fixed.
燃料穴４５は第５図のようにポンプ本体４４の一側方か
らダイカスト成形特型抜成形さ孔る。燃料穴４５の開口
部にはテーパねじ４７が螺合して、半円形断面のスピル
プロテクター４６をシール回着している。The fuel hole 45 is formed by die-casting and special punching from one side of the pump body 44, as shown in FIG. A tapered screw 47 is screwed into the opening of the fuel hole 45, and a spill protector 46 having a semicircular cross section is rotatably attached thereto.
プロテクター４６の代シに燃料穴４５の内面にクロムメ
ッキを施してもよい。Instead of the protector 46, the inner surface of the fuel hole 45 may be plated with chrome.
第１図は本発明を適用したガバナの縦断側面図、第２図
は第１図のト」断面図、第８図はラック目盛とポンプ回
転数の関係を示すグラフ、第４図は第１図のｆｆ−ｆｆ
断面部分図、第５図は第４図のｖ−■断面図で、第５図
には同図中の一部の垂直断面を併記している。２・・・
ガバナケース、３・・・ガバナウェイト、４・・・スラ
スタ−１５・・・ガバナレバー、６・・・テンションレ
バー、９・・・ガバナスプリング、１９・・、ラック、
３１・・・燃料制限ボルト、３５・・・スタートスプリ
ング
−１７“Fig. 1 is a vertical sectional side view of a governor to which the present invention is applied, Fig. 2 is a cross-sectional view of Fig. 1, Fig. 8 is a graph showing the relationship between rack scale and pump rotation speed, and Fig. 4 is a ff-ff in the diagram
A partial cross-sectional view, FIG. 5, is a cross-sectional view taken along the line v-■ in FIG. 4, and FIG. 5 also shows a vertical cross-section of a part of the same figure. 2...
Governor case, 3... Governor weight, 4... Thruster-15... Governor lever, 6... Tension lever, 9... Governor spring, 19..., Rack,
31...Fuel limit bolt, 35...Start spring -17"
Claims (1)
レバーのラック約合側部分と、コントロールレバーにガ
バナスプリングを介して給金されるチンジョンレバーの
対向部分間に、テンションレバーがガバナケースに塩９
付けだ燃料制限ボルトに当接した状態で、始動時燃料増
貴方向だ所定ストロークだけシックｔ−偏倚させるスタ
ートスプリングを挟設したことを特徴とする内燃機関用
ガバナの始動時増量用１量装置。The tension lever is connected to the governor case between the rack engagement side part of the governor lever that contacts the thruster that interlocks with the governor weight, and the opposing part of the control lever that feeds the control lever via the governor spring.
A device for increasing the amount of fuel at the time of starting a governor for an internal combustion engine, characterized in that a start spring is provided which biases the fuel by a predetermined stroke in the direction of increasing the amount of fuel at the time of starting while in contact with an attached fuel limiting bolt. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6738783A JPS59192833A (en) | 1983-04-15 | 1983-04-15 | Fuel increasing apparatus used at the time of starting governor of internal-combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6738783A JPS59192833A (en) | 1983-04-15 | 1983-04-15 | Fuel increasing apparatus used at the time of starting governor of internal-combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59192833A true JPS59192833A (en) | 1984-11-01 |
Family
ID=13343529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6738783A Pending JPS59192833A (en) | 1983-04-15 | 1983-04-15 | Fuel increasing apparatus used at the time of starting governor of internal-combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59192833A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5248254A (en) * | 1975-10-15 | 1977-04-16 | Daikin Plant Kk | Thermal accumulator for air conditioner |
| JPS5637067U (en) * | 1979-08-29 | 1981-04-09 |
-
1983
- 1983-04-15 JP JP6738783A patent/JPS59192833A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5248254A (en) * | 1975-10-15 | 1977-04-16 | Daikin Plant Kk | Thermal accumulator for air conditioner |
| JPS5637067U (en) * | 1979-08-29 | 1981-04-09 |
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