JPH01285660A - Engine for positive and reverse rotation - Google Patents
Engine for positive and reverse rotationInfo
- Publication number
- JPH01285660A JPH01285660A JP11495188A JP11495188A JPH01285660A JP H01285660 A JPH01285660 A JP H01285660A JP 11495188 A JP11495188 A JP 11495188A JP 11495188 A JP11495188 A JP 11495188A JP H01285660 A JPH01285660 A JP H01285660A
- Authority
- JP
- Japan
- Prior art keywords
- engine
- rotation
- starting motor
- cut
- positive
- 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
- 230000002441 reversible effect Effects 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 claims description 12
- 239000007858 starting material Substances 0.000 claims description 7
- 230000005284 excitation Effects 0.000 abstract 1
- 239000011888 foil Substances 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔発明の目的〕
（産業上の利用分野）
本発明は、穴掘機等の正逆回転を必要とする作業機用と
して、正逆切夛換えて正転または逆転方向に始動する始
動モーターを備えた正逆転用のエンジンに係るものであ
る。[Detailed Description of the Invention] [Object of the Invention] (Industrial Application Field) The present invention is intended for use in working machines such as drilling machines that require forward and reverse rotation. This relates to a forward/reverse engine equipped with a starter motor that starts in both directions.
（従来技術および解決しようとする牒題）従来、この種
のエンジンにおいては、始動モーターは正転用および逆
転用の２個の押ボタンスイッチ、あるいは正逆の切換ス
イッチによって正転、逆転を切り換えていたが、エンジ
ン始動後に、万一スイッチチに触れた場合、始動モータ
ーが回転し、クラッチの損傷を生じ、とくに反対方向に
回転するスイッチに触れた場合には異常な負荷が加わっ
て始動モーターの焼損を生じるおそれがあった。(Prior art and problem to be solved) Conventionally, in this type of engine, the starting motor has been switched between forward and reverse rotation using two push button switches for forward and reverse rotation, or a forward and reverse changeover switch. However, if you touch the switch after the engine has started, the starter motor will rotate and damage the clutch, and if you touch a switch that rotates in the opposite direction, an abnormal load will be applied and the starter motor may burn out. There was a risk that this would occur.
＜ｎ題を解決する九めの手段および作用）本発明は、エ
ンジンの回転を検出して、エンジンの回転時に始動モー
ターの電気回路を遮断するための回転検出装置を設けた
もので、エンジンの始動後は回転検出装置の作動によっ
て始動モーターの電気回路が遮断されるので、誤って始
動モーターのスイッチに手が触れても始動モーターが回
転することがないものである。<Ninth means and operation for solving problem n) The present invention is provided with a rotation detection device for detecting the rotation of the engine and interrupting the electric circuit of the starting motor when the engine is rotating. After starting, the electric circuit of the starting motor is cut off by the operation of the rotation detection device, so even if the starting motor switch is accidentally touched, the starting motor will not rotate.
（実施例）
以下１図面によシ本発明の一実施例について詳細な説明
を行なう。(Embodiment) An embodiment of the present invention will be described in detail below with reference to one drawing.
図において、正逆回転自在のエンジン１のクランク軸３
の一側には、マグネットホイル５が固着され、マグネッ
トホイル５の外周に近接して起電コイル７が設けられて
いる。クランク軸３の端部には遠心クラッチ９が設けら
れ、伝動軸１１に接続している。クランク軸３の他端に
は大ギヤー１３が固着し、小ギヤー１５が噛み合ってい
る。始動モーター１７の駆動軸１９に電磁クラッチ２１
を介して接続する回転軸２３に小ギヤー１５が固着して
いる。始動モーター１７は中立位置復帰型の始動用の正
逆転の切換スイッチ２５によって切換作動する中立位置
後Ｒ型の切換リレー２７に接続し、切換リレー２７はリ
レー２９の接点３１を介してバッテリー３３に接続して
いる。切換スイッチ２５は回転検出用接点３５．リレー
２９を直列にバッテリー３３に接続している。リレー２
９と並列に電磁クラッチ２１が接続している。バッチｌ
−３３Ｋは電源に接続するための充電用コネクター３
７が接続している。マグネットホイル５の外周に埋設す
るマグネットに感応して起電する起電コイル７の二次回
路３９には点火栓４１が設けられ、−次回路４３は点火
ユニット４５に接続するとともに、整流用のダイオード
４７を介してバッテリー３３に接続している。点火ユニ
ット４５は一次電圧が所定の電圧に達したときに一次回
路４３を短絡させて二次回路３９を高圧に起電させて点
火栓４１で放電させるものである。また−次回路４３に
回転検出装置４９が接続し、エンジンの１回転毎に発す
る一次回路の電流のパルスを計測し、所定時間における
パルス数が所定の数値に達したとき、すなわち、エンジ
ンが所定の回転速度に達したとき回転検出用接点３５を
遮断するよう設けられている。また−次回路４３を短絡
させるエンジン停止用のスイッチ５１が設けられている
。In the figure, a crankshaft 3 of an engine 1 that can freely rotate in forward and reverse directions.
A magnet foil 5 is fixed to one side of the magnet foil 5, and an electromotive coil 7 is provided close to the outer periphery of the magnet foil 5. A centrifugal clutch 9 is provided at the end of the crankshaft 3 and connected to a transmission shaft 11. A large gear 13 is fixed to the other end of the crankshaft 3, and a small gear 15 is meshed with it. An electromagnetic clutch 21 is connected to the drive shaft 19 of the starting motor 17.
A small gear 15 is fixed to a rotating shaft 23 that is connected via a rotating shaft 23. The starting motor 17 is connected to an R-type switching relay 27 after the neutral position, which is switched by a neutral position return type forward/reverse switching switch 25 for starting. Connected. The changeover switch 25 has a rotation detection contact 35. A relay 29 is connected to a battery 33 in series. relay 2
An electromagnetic clutch 21 is connected in parallel with 9. batch l
-33K is charging connector 3 for connecting to power source
7 is connected. An ignition plug 41 is provided in the secondary circuit 39 of the electromotive coil 7 that generates electricity in response to a magnet embedded in the outer periphery of the magnetic foil 5, and the secondary circuit 43 is connected to the ignition unit 45 and has a rectifier. It is connected to the battery 33 via a diode 47. The ignition unit 45 short-circuits the primary circuit 43 when the primary voltage reaches a predetermined voltage, generates a high voltage in the secondary circuit 39, and discharges the spark plug 41. Further, a rotation detection device 49 is connected to the primary circuit 43, and measures the pulse of current in the primary circuit that is generated every rotation of the engine, and when the number of pulses in a predetermined time reaches a predetermined value, that is, when the engine reaches a predetermined value. It is provided to cut off the rotation detection contact 35 when the rotation speed reaches . Further, an engine stop switch 51 that short-circuits the next circuit 43 is provided.
以上の構成において、エンジンを始動するに際しては、
切換スイッチ２５を正転方向に接続すると、リレー２９
に通電して接点３１が接続するとともに電磁クラッチ２
１に通電し、同時に切換リレー２７が正転の回路に接続
し、始動モーター１７が正転方向に回転して、エンジン
１が正転方向に始動する。エンジン１が回転すると、マ
グネットホイル５に感応して起電コイル７に電圧が発生
し１点火ユニット４５によって点火栓４１が放電してシ
リンダーの爆発が継続するとともに、回転検出装置４９
において回転速度を検出して、回転検出用接点３５を遮
断して電磁クラッチ２１を遮断し、同時にリレー２９の
電流を遮断して接点３１を遮断し、始動モーター１７は
停止する。同時に、切換スイッチ２５．切換リレー２７
は中型位置に復帰する。エンジン１が回転している間は
始動モーター１７は回転することがないが、エンジン１
が停止すると回転検出用接点３５が接続して元の状態に
復帰する。逆転の際には、切換スイッチ２５ｔ−逆転方
向に操作すれば、同様の作動が行なわれるものである。In the above configuration, when starting the engine,
When the changeover switch 25 is connected in the forward rotation direction, the relay 29
When the contact 31 is connected, the electromagnetic clutch 2 is energized and the contact 31 is connected.
At the same time, the switching relay 27 is connected to the normal rotation circuit, the starting motor 17 rotates in the normal rotation direction, and the engine 1 is started in the normal rotation direction. When the engine 1 rotates, a voltage is generated in the electromotive coil 7 in response to the magnet foil 5, and the spark plug 41 is discharged by the first ignition unit 45 to continue the explosion of the cylinder, and the rotation detection device 49
The rotational speed is detected, the rotation detection contact 35 is cut off, the electromagnetic clutch 21 is cut off, and at the same time, the current of the relay 29 is cut off, the contact 31 is cut off, and the starting motor 17 is stopped. At the same time, selector switch 25. Switching relay 27
returns to the medium position. The starter motor 17 does not rotate while the engine 1 is rotating, but the engine 1
When it stops, the rotation detection contact 35 connects and returns to its original state. When reversing, the same operation is performed by operating the changeover switch 25t in the reverse direction.
本発明によれば、エンジンが回転中には、始動モーター
が回転することがなく、クラッチの損傷、始動モーター
の焼損ｔ−防ぐことができるものである。According to the present invention, the starter motor does not rotate while the engine is rotating, thereby preventing damage to the clutch and burnout of the starter motor.
なお１本発明の回転検出装置は実施例のごとく回転数に
対応するパルスを計測して回転速度を検出する構成に限
定するものではなく、電圧、電流を検出して始動モータ
ーの回路を遮断する構成あるいはカバナー等に機械的に
連動してスイッチを遮断する構成に設けてもよい。Note that the rotation detection device of the present invention is not limited to the configuration in which the rotation speed is detected by measuring pulses corresponding to the rotation speed as in the embodiment, but the rotation detection device detects voltage and current to interrupt the circuit of the starting motor. Alternatively, the switch may be mechanically interlocked with a cover or the like to shut off the switch.
第１図は本発明の一実施例の側面説明図、ＩＩＺ図は電
気回路の説明図である。
１…エンジン
１７・・・始動モーター
４９・・・回転検出装置FIG. 1 is an explanatory side view of one embodiment of the present invention, and FIG. IIZ is an explanatory diagram of an electric circuit. 1...Engine 17...Starting motor 49...Rotation detection device
Claims (1)
動モーター１７を備えた正逆転用のエンジンにおいて、
エンジン１の回転を検出して、エンジン１の回転時に前
記始動モーター１７の電気回路を遮断するための回転検
出装置４９を設けたことを特徴とする正逆転用のエンジ
ン。In a forward/reverse engine equipped with a starter motor 17 for starting in the forward or reverse direction by switching between forward and reverse directions,
An engine for forward and reverse rotation, characterized in that a rotation detection device 49 is provided for detecting the rotation of the engine 1 and interrupting the electric circuit of the starting motor 17 when the engine 1 is rotating.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63114951A JPH0694857B2 (en) | 1988-05-13 | 1988-05-13 | Forward and reverse engine |
| AU19564/88A AU613931B2 (en) | 1987-08-13 | 1988-06-27 | Reversibly rotating engine |
| US07/465,268 US5161489A (en) | 1987-08-13 | 1988-06-27 | Reversible engine |
| DE3851955T DE3851955T2 (en) | 1987-08-13 | 1988-06-27 | REVERSIBLE MOTOR. |
| EP88906046A EP0356519B1 (en) | 1987-08-13 | 1988-06-27 | Reversible engine |
| PCT/JP1988/000644 WO1989001570A1 (en) | 1987-08-13 | 1988-06-27 | Reversibly rotating engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63114951A JPH0694857B2 (en) | 1988-05-13 | 1988-05-13 | Forward and reverse engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01285660A true JPH01285660A (en) | 1989-11-16 |
| JPH0694857B2 JPH0694857B2 (en) | 1994-11-24 |
Family
ID=14650692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63114951A Expired - Lifetime JPH0694857B2 (en) | 1987-08-13 | 1988-05-13 | Forward and reverse engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0694857B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0550075U (en) * | 1991-12-04 | 1993-07-02 | 澤藤電機株式会社 | Controller for engine generator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS499930U (en) * | 1972-05-01 | 1974-01-28 | ||
| JPS55156253A (en) * | 1979-05-25 | 1980-12-05 | Hitachi Ltd | Car engine starter |
| JPS57120762U (en) * | 1981-01-20 | 1982-07-27 | ||
| JPS58127177U (en) * | 1982-02-23 | 1983-08-29 | 日産自動車株式会社 | Vehicle engine rotation warning device |
-
1988
- 1988-05-13 JP JP63114951A patent/JPH0694857B2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS499930U (en) * | 1972-05-01 | 1974-01-28 | ||
| JPS55156253A (en) * | 1979-05-25 | 1980-12-05 | Hitachi Ltd | Car engine starter |
| JPS57120762U (en) * | 1981-01-20 | 1982-07-27 | ||
| JPS58127177U (en) * | 1982-02-23 | 1983-08-29 | 日産自動車株式会社 | Vehicle engine rotation warning device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0550075U (en) * | 1991-12-04 | 1993-07-02 | 澤藤電機株式会社 | Controller for engine generator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0694857B2 (en) | 1994-11-24 |
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