JPH05104964A - Electric travelling car - Google Patents
Electric travelling carInfo
- Publication number
- JPH05104964A JPH05104964A JP11350791A JP11350791A JPH05104964A JP H05104964 A JPH05104964 A JP H05104964A JP 11350791 A JP11350791 A JP 11350791A JP 11350791 A JP11350791 A JP 11350791A JP H05104964 A JPH05104964 A JP H05104964A
- Authority
- JP
- Japan
- Prior art keywords
- drive shaft
- electric motor
- drive
- rotated
- auxiliary machine
- 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
Landscapes
- Motor Power Transmission Devices (AREA)
- Gear Transmission (AREA)
- Retarders (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、電動機の駆動力により
走行する電気走行車に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric vehicle that is driven by the driving force of an electric motor.
【０００２】[0002]
【従来の技術】従来、電動機の駆動力により走行する電
気走行車においては、例えば特開昭５７−２０６２０１
号公報に開示されているように、電動機の駆動力を駆動
輪の駆動だけでなく、クーラや各種ポンプ等の補機を駆
動するために用いるようにしたものが知られている。2. Description of the Related Art Conventionally, in an electric vehicle that is driven by the driving force of an electric motor, for example, Japanese Patent Laid-Open No. 57-206201.
As disclosed in Japanese Patent Laid-Open Publication No. JP-A-2003-154, there is known one in which the driving force of an electric motor is used not only for driving driving wheels but also for driving auxiliary equipment such as a cooler and various pumps.
【０００３】この種の電気走行車おいては、通常、電動
機の駆動力を補機駆動軸を介して補機に伝達するように
しており、この場合、補機を駆動するためには補機駆動
軸を所定の方向にのみ回動させる必要があることから、
電動機の駆動軸を所定の方向にのみ回動させるようにし
ている。In this type of electric vehicle, the driving force of the electric motor is usually transmitted to the auxiliary machine via the auxiliary machine drive shaft. In this case, the auxiliary machine is used to drive the auxiliary machine. Since it is necessary to rotate the drive shaft only in a predetermined direction,
The drive shaft of the electric motor is rotated only in a predetermined direction.
【０００４】一方、電気走行車においては、その動力源
たる電動機は、エンジン自動車と異なり、正転・逆転の
二方向駆動が可能であることから、エンジン自動車のよ
うに前進用及び後退用とで各別に変速機等の動力伝達機
構を設けずとも、同一の動力伝達機構を用いて前進・後
退が可能であるという利点がある。On the other hand, in an electric vehicle, the electric power source, which is the power source of the electric vehicle, can be driven in two directions, forward and reverse, unlike an engine vehicle. There is an advantage that the same power transmission mechanism can be used to move forward and backward without providing a power transmission mechanism such as a transmission separately.
【０００５】しかしながら、上記のように補機を駆動す
るために電動機を所定の向きにのみ回動させるようにし
た電気走行車においては、前進・後退用で各別の動力伝
達機構を設けなければならず、このため、動力伝達機構
の構成が大型化すると共に軽量化の妨げとなり、また、
各動力伝達機構を作動させるための制御機構等が必要と
なって、コスト的にも不利であるという不都合があっ
た。However, in the electric vehicle in which the electric motor is rotated only in a predetermined direction to drive the auxiliary machine as described above, separate power transmission mechanisms for forward and reverse movements must be provided. As a result, the structure of the power transmission mechanism becomes large and hinders weight reduction.
A control mechanism or the like for operating each power transmission mechanism is required, which is disadvantageous in terms of cost.
【０００６】[0006]
【発明が解決しようとする課題】本発明はかかる不都合
を解消し、電動機の駆動力により走行する電気走行車に
おいて、その電動機により補機をも駆動する場合に、該
電動機を正逆いずれの方向へ回動させても補機を駆動す
ることができる電気走行車を提供することを目的とす
る。DISCLOSURE OF THE INVENTION The present invention solves the above-mentioned inconvenience, and in an electric traveling vehicle which is driven by the driving force of an electric motor, when the auxiliary device is also driven by the electric motor, the electric motor can be driven in either forward or reverse directions. It is an object of the present invention to provide an electric vehicle that can drive an auxiliary machine even when it is turned to.
【０００７】[0007]
【課題を解決するための手段】本発明はかかる目的を達
成するために、電動機の駆動力により走行する電気走行
車において、該電動機の駆動軸に連動して互いに逆方向
に回動し、且つ、該駆動軸の正転・逆転に応じてそれぞ
れ回転方向が逆向きとなる一組の回転機構と、当該電気
走行車の補機を駆動するための補機駆動軸と、前記電動
機の駆動軸の正転時にのみこれに連動させて前記補機駆
動軸を所定の向きに回動させるべく前記両回転機構の一
方を該補機駆動軸に接続する第１の接続手段と、前記電
動機の駆動軸の逆転時にのみこれに連動させて前記補機
駆動軸を前記所定の向きに回動させるべく前記両回転機
構の他方を該補機駆動軸に接続する第２の接続手段とを
備えたことを特徴とする。In order to achieve the above object, the present invention relates to an electric traveling vehicle which is driven by a driving force of an electric motor, and rotates in opposite directions in association with a drive shaft of the electric motor, and A set of rotating mechanisms that rotate in opposite directions depending on whether the drive shaft rotates forward or backward, an accessory drive shaft for driving an accessory of the electric vehicle, and a drive shaft of the electric motor. Drive means for connecting the one of the two rotating mechanisms to the auxiliary machine drive shaft so as to rotate the auxiliary machine drive shaft in a predetermined direction by interlocking with it only during normal rotation of the electric motor. Second connecting means for connecting the other of the two rotating mechanisms to the accessory drive shaft so as to rotate the accessory drive shaft in the predetermined direction by interlocking with this only when the shaft is rotated in reverse. Is characterized by.
【０００８】[0008]
【作用】本発明によれば、前記電動機の駆動軸が正転さ
れた時には、前記補機駆動軸が前記第１の接続手段によ
り前記一方の回転機構にのみ接続され、この時、電動機
から当該一方の回転機構及び第１の接続手段を介して該
補機駆動軸に回転駆動力が伝達されて該補機駆動軸が前
記所定の向きに回動される。According to the present invention, when the drive shaft of the electric motor is rotated in the normal direction, the auxiliary drive shaft is connected only to the one rotating mechanism by the first connecting means. The rotational drive force is transmitted to the accessory drive shaft via one of the rotating mechanisms and the first connecting means, and the accessory drive shaft is rotated in the predetermined direction.
【０００９】一方、前記電動機の駆動軸が逆転された時
には、前記補機駆動軸が前記第２の接続手段により前記
他方の回転機構にのみ接続され、電動機から当該他方の
回転機構及び第２の接続手段を介して該補機駆動軸に回
転駆動力が伝達される。この時、前記一方の回転機構
は、電動機の駆動軸の正転の場合と逆向きに回動し、こ
のため、該一方の回転機構と互いに逆方向に回動する当
該他方の回転機構は、電動機の駆動軸の正転の場合にお
ける当該一方の回転機構の回転方向と同方向に回動され
る。On the other hand, when the drive shaft of the electric motor is reversed, the auxiliary drive shaft is connected only to the other rotating mechanism by the second connecting means, and the other rotating mechanism and the second rotating mechanism from the electric motor are connected. The rotational driving force is transmitted to the accessory drive shaft through the connecting means. At this time, the one rotation mechanism rotates in the opposite direction to the case of the normal rotation of the drive shaft of the electric motor, and therefore, the one rotation mechanism rotates in the opposite direction to the other rotation mechanism. The drive shaft of the electric motor is rotated in the same direction as the rotation direction of the one rotation mechanism in the case of normal rotation.
【００１０】従って、補機駆動軸は、電動機の駆動軸の
正転・逆転にかかわらず、同一方向の回転駆動力が付与
され、所定の方向に回動される。Therefore, the auxiliary machine drive shaft is rotated in a predetermined direction by being given a rotational drive force in the same direction regardless of whether the drive shaft of the electric motor rotates forward or backward.
【００１１】[0011]
【実施例】本発明の電気走行車の第１の例を図１に従っ
て説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first example of the electric vehicle of the present invention will be described with reference to FIG.
【００１２】図１は該電気走行車の要部の構成を説明す
るための模式的説明図である。FIG. 1 is a schematic explanatory view for explaining the structure of the main part of the electric vehicle.
【００１３】図１で、１は電動機、２，２は駆動輪、３
はオイルポンプやクーラ等の補機４を駆動するための補
機駆動軸、５，６は電動機１の連動して互いに逆方向に
回動する一組の回転機構、７，８はそれぞれ回転機構
５，６と補機駆動軸３とを断接自在に接続する接続手段
である。In FIG. 1, 1 is an electric motor, 2 and 2 are drive wheels, and 3
Is an accessory drive shaft for driving an accessory 4 such as an oil pump or a cooler, 5 and 6 are a pair of rotating mechanisms that rotate in opposite directions in association with the electric motor 1, and 7 and 8 are rotating mechanisms. It is a connecting means for connecting and disconnecting the auxiliary drive shaft 3 with the auxiliary drive shafts 5, 6.
【００１４】電動機１の駆動軸１ａには、これと一体に
回動自在に駆動ギヤ９が装着され、この駆動ギヤ９は、
駆動軸１ａと平行に併設した副軸１０に一体に回動自在
に装着された被動ギヤ１１に噛合されている。そして、
副軸１０はその一端部に装着された発進クラッチ１２か
ら差動歯車機構１３を介して駆動輪２，２に接続されて
いる。A drive gear 9 is attached to the drive shaft 1a of the electric motor 1 so as to be rotatable integrally with the drive shaft 1a.
It is meshed with a driven gear 11 which is integrally and rotatably mounted on an auxiliary shaft 10 provided in parallel with the drive shaft 1a. And
The auxiliary shaft 10 is connected to the drive wheels 2 and 2 from a starting clutch 12 attached to one end of the auxiliary shaft 10 via a differential gear mechanism 13.
【００１５】従って、この電気走行車においては、電動
機１の駆動力は、その駆動軸１ａから、駆動ギヤ９、被
動ギヤ１１、副軸１０、発進クラッチ１２及び差動歯車
機構１３を順に介して駆動輪２，２の伝達され、これに
より、走行するようにしている。そして、この場合、電
動機１の駆動軸１ａを正転・逆転することにより、駆動
輪２，２を正転・逆転させ、これにより、前進・後進す
るようにしている。Therefore, in this electric vehicle, the driving force of the electric motor 1 is transmitted from the driving shaft 1a through the driving gear 9, the driven gear 11, the auxiliary shaft 10, the starting clutch 12 and the differential gear mechanism 13 in this order. The drive wheels 2 and 2 are transmitted, whereby the vehicle travels. Then, in this case, the drive shaft 1a of the electric motor 1 is normally or reversely rotated to normally or reversely rotate the drive wheels 2 and 2, whereby the vehicle is moved forward or backward.
【００１６】前記回転機構５，６は、それぞれ上記駆動
ギヤ９及び被動ギヤ１１を有する。この場合、これらの
両ギヤ９，１１はそれぞれ上記したように電動機１の駆
動軸１ａ及び副軸１０に装着されて互いに噛合されてい
るので、電動機１の駆動軸１ａの回動により、互いに逆
方向に回動する。The rotating mechanisms 5 and 6 have the driving gear 9 and the driven gear 11, respectively. In this case, the two gears 9 and 11 are mounted on the drive shaft 1a and the auxiliary shaft 10 of the electric motor 1 and mesh with each other as described above, so that the drive shaft 1a of the electric motor 1 is rotated to rotate in opposite directions. Rotate in the direction.
【００１７】回転機構５と補機駆動軸３とを断接自在に
接続する第１の接続手段７は、駆動ギヤ９と一体に回動
する電動機１の駆動軸１ａにワンウェイクラッチ１４を
介して回動自在に支承された補機用駆動ギヤ１５を有
し、この補機用駆動ギヤ１５は、補機駆動軸３に一体に
回動自在に装着された補機用被動ギヤ１６に噛合されて
いる。この場合、ワンウェイクラッチ１４は、駆動ギヤ
９が電動機１の駆動軸１ａと共に、例えば図中矢印Ａの
向きに回動された時に、補機用駆動ギヤ１５を駆動軸１
ａに一体に回動自在に接続する一方、これと逆に、駆動
ギヤ９及び駆動軸１ａが図中矢印Ｂの向きに回動された
時には、補機用駆動ギヤ１５と駆動軸１ａとの間の回転
伝達を切断するように構成されている。The first connecting means 7 for connecting and disconnecting the rotating mechanism 5 and the accessory drive shaft 3 is connected to the drive shaft 1a of the electric motor 1 which rotates integrally with the drive gear 9 via the one-way clutch 14. The auxiliary machine drive gear 15 is rotatably supported, and the auxiliary machine drive gear 15 is meshed with an auxiliary machine driven gear 16 that is integrally rotatably mounted on the auxiliary machine drive shaft 3. ing. In this case, when the drive gear 9 is rotated together with the drive shaft 1a of the electric motor 1 in the direction of arrow A in the drawing, the one-way clutch 14 causes the drive gear 15 for auxiliary machinery to move.
On the other hand, when the drive gear 9 and the drive shaft 1a are rotated in the direction of arrow B in the figure, the auxiliary drive gear 15 and the drive shaft 1a are It is configured to disconnect the rotational transmission between.
【００１８】従って、第１の接続手段７は、駆動ギヤ９
及び駆動軸１ａが矢印Ａの向きに回動された時にのみ、
駆動ギヤ９を駆動軸１ａ、ワンウェイクラッチ１４、補
機用駆動ギヤ１５及び補機用被動ギヤ１６を順に介して
補機駆動軸３に接続する。Therefore, the first connecting means 7 is connected to the drive gear 9
And only when the drive shaft 1a is rotated in the direction of arrow A,
The drive gear 9 is connected to the accessory drive shaft 3 through the drive shaft 1a, the one-way clutch 14, the accessory drive gear 15, and the accessory driven gear 16 in this order.
【００１９】一方、回転機構６と補機駆動軸３とを断接
自在に接続する第２の接続手段８は、前記被動ギヤ１１
と一体に回動する副軸１０にワンウェイクラッチ１７を
介して回動自在に支承された補機用駆動ギヤ１８を有
し、この補機用駆動ギヤ１８は、補機駆動軸３の補機用
被動ギヤ１６に噛合されている。この場合、ワンウェイ
クラッチ１７は、被動ギヤ１１が副軸１０と共に、図中
矢印Ｂ’の向き（前記矢印Ｂと逆向き）に回動された時
に、補機用駆動ギヤ１８を副軸１０に一体に回動自在に
接続する一方、これと逆に、被動ギヤ１１及び副軸１０
が図中矢印Ａ’の向き（前記矢印Ａと逆向き）に回動さ
れた時には、補機用駆動ギヤ１８と副軸１０との間の回
転伝達を切断するように構成されている。On the other hand, the second connecting means 8 for connecting and disconnecting the rotating mechanism 6 and the auxiliary equipment drive shaft 3 is provided with the driven gear 11
The auxiliary drive gear 18 is rotatably supported by the auxiliary shaft 10 that rotates together with the auxiliary drive gear 18 via the one-way clutch 17. The auxiliary drive gear 18 is an auxiliary drive of the auxiliary drive shaft 3. It is meshed with the driven gear 16 for use. In this case, the one-way clutch 17 causes the auxiliary device drive gear 18 to move to the auxiliary shaft 10 when the driven gear 11 is rotated together with the auxiliary shaft 10 in the direction of the arrow B ′ in the drawing (opposite to the arrow B). On the other hand, the driven gear 11 and the counter shaft 10 are connected to each other so as to be rotatable.
Is rotated in the direction of arrow A'in the figure (opposite direction of arrow A), the rotation transmission between the accessory drive gear 18 and the auxiliary shaft 10 is cut off.
【００２０】従って、第２の接続手段７は、被動ギヤ１
１及び副軸１０が矢印Ｂ’の向きに回動された時にの
み、被動ギヤ１１を副軸１０、ワンウェイクラッチ１
７、補機用駆動ギヤ１８及び補機用被動ギヤ１６を順に
介して補機駆動軸３に接続する。Therefore, the second connecting means 7 is the driven gear 1
1 and the auxiliary shaft 10 are rotated in the direction of the arrow B ′, the driven gear 11 is engaged with the auxiliary shaft 10 and the one-way clutch 1 only.
7. The auxiliary machine drive gear 18 and the auxiliary machine driven gear 16 are connected in this order to the auxiliary machine drive shaft 3.
【００２１】尚、前記ワンウェイクラッチ１４，１７の
構成は周知のものと同様の構成とされている。The one-way clutches 14 and 17 have the same construction as that of a known one.
【００２２】次に、かかる電気走行車の作動を同図に従
って説明する。Next, the operation of the electric vehicle will be described with reference to FIG.
【００２３】この電気走行車においては、例えば前進時
に電動機１の駆動軸１ａが矢印Ａの向きに回動されると
すると、前記回転機構５の駆動ギヤ９が駆動軸１ａと共
に矢印Ａの向きに回動され、また、回転機構６の被動ギ
ヤ１１が副軸１０と共に矢印Ａ’の向き（駆動ギヤ９と
逆向き）に回動される。In this electric vehicle, for example, when the drive shaft 1a of the electric motor 1 is rotated in the direction of arrow A when moving forward, the drive gear 9 of the rotating mechanism 5 is moved in the direction of arrow A together with the drive shaft 1a. The driven gear 11 of the rotating mechanism 6 is rotated together with the auxiliary shaft 10 in the direction of arrow A ′ (opposite to the drive gear 9).
【００２４】この時、前記したように、第１の接続手段
７のワンウェイクラッチ１４が“ＯＮ”となる一方、第
２の接続手段８のワンウェイクラッチ１７が“ＯＦＦ”
となる。このため、補機駆動軸３には、電動機１の駆動
軸１ａからワンウェイクラッチ１４、補機用駆動ギヤ１
５及び補機用被動ギヤ１６を順に介して駆動力が伝達さ
れ、この時、同図から明らかなように、補機駆動軸３
は、図中矢印Ｃの向きに回動される。At this time, as described above, the one-way clutch 14 of the first connecting means 7 is "ON", while the one-way clutch 17 of the second connecting means 8 is "OFF".
Becomes Therefore, the accessory drive shaft 3 includes the one-way clutch 14 from the drive shaft 1a of the electric motor 1 and the accessory drive gear 1
5 and the driven gear 16 for the auxiliary machine are sequentially transmitted, and at this time, as is clear from the figure, the auxiliary machine drive shaft 3
Is rotated in the direction of arrow C in the figure.
【００２５】一方、例えば後進時に電動機１の駆動軸１
ａが矢印Ｂの向きに回動されるとすると、前記回転機構
５の駆動ギヤ９が駆動軸１ａと共に矢印Ｂの向きに回動
され、また、回転機構６の被動ギヤ１１が副軸１０と共
に矢印Ｂ’の向き（駆動ギヤ９と逆向き）に回動され
る。On the other hand, for example, the drive shaft 1 of the electric motor 1 when moving backward.
When a is rotated in the direction of arrow B, the drive gear 9 of the rotating mechanism 5 is rotated in the direction of arrow B together with the drive shaft 1a, and the driven gear 11 of the rotating mechanism 6 is rotated together with the auxiliary shaft 10. It is rotated in the direction of arrow B '(opposite to the drive gear 9).
【００２６】この時、前記したように、第１の接続手段
７のワンウェイクラッチ１４が“ＯＦＦ”となる一方、
第２の接続手段８のワンウェイクラッチ１７が“ＯＮ”
となる。このため、補機駆動軸３には、電動機１の駆動
軸１ａと逆向きに回動する副軸１０からワンウェイクラ
ッチ１７、補機用駆動ギヤ１８及び補機用被動ギヤ１６
を順に介して駆動力が伝達され、この時、同図から明ら
かなように、補機駆動軸３は、図中矢印Ｃの向きに回動
される。At this time, as described above, while the one-way clutch 14 of the first connecting means 7 is turned "OFF",
The one-way clutch 17 of the second connecting means 8 is "ON".
Becomes Therefore, the auxiliary machine drive shaft 3 includes a one-way clutch 17, an auxiliary machine drive gear 18, and an auxiliary machine driven gear 16 from the auxiliary shaft 10 which rotates in the opposite direction to the drive shaft 1a of the electric motor 1.
The driving force is transmitted in sequence through, and at this time, as is clear from the figure, the accessory drive shaft 3 is rotated in the direction of arrow C in the figure.
【００２７】従って、補機駆動軸３は、電動機１の駆動
軸１ａの正転・逆転にかかわらず、いずれの場合であっ
ても、同じ向き（矢印Ｃの向き）に回動され、その回動
により補機４を駆動することができる。Therefore, the auxiliary machine drive shaft 3 is rotated in the same direction (direction of arrow C) regardless of whether the drive shaft 1a of the electric motor 1 is normally or reversely rotated. The auxiliary machine 4 can be driven by the movement.
【００２８】次に、本発明の電気走行車の第２の例を図
２に従って説明する。Next, a second example of the electric vehicle of the present invention will be described with reference to FIG.
【００２９】図２は該電気走行車の要部の構成を説明す
るための模式的説明図である。FIG. 2 is a schematic explanatory view for explaining the structure of the main part of the electric vehicle.
【００３０】この電気走行車は、前記第１の例の電気走
行車と同様に、電動機１の駆動力をその駆動軸１ａから
駆動輪２，２に伝達するための駆動ギヤ９、被動ギヤ１
１、副軸１０、発進クラッチ１２及び差動歯車機構１３
を備えると共に、補機４を駆動するための補機駆動軸３
を備え、他方、第１の例と構成の異なる一組の回転機構
１９，２０及び第１及び第２の接続手段２１，２２を備
えている。This electric vehicle is similar to the electric vehicle of the first example in that the drive gear 9 and the driven gear 1 for transmitting the drive force of the electric motor 1 from the drive shaft 1a to the drive wheels 2 and 2.
1, counter shaft 10, starting clutch 12, and differential gear mechanism 13
And an accessory drive shaft 3 for driving the accessory 4.
On the other hand, a pair of rotating mechanisms 19 and 20 having different configurations from the first example and first and second connecting means 21 and 22 are provided.
【００３１】この場合、回転機構１９は、第１の接続手
段２１を構成するワンウェイクラッチ２３を介して補機
駆動軸３に回動自在に支承されたトラクション被動ロー
ラ２４を有し、この被動ローラ２４は、電動機１の駆動
軸１ａに一体に回動自在に装着されたトラクション駆動
ローラ２５に圧接係合されている。In this case, the rotating mechanism 19 has a traction driven roller 24 rotatably supported by the auxiliary equipment drive shaft 3 via a one-way clutch 23 constituting the first connecting means 21, and this driven roller is provided. Reference numeral 24 is in pressure contact with a traction drive roller 25 that is integrally and rotatably mounted on the drive shaft 1a of the electric motor 1.
【００３２】従って、トラクション被動ローラ２４は、
電動機１の駆動軸１ａと共にトラクション駆動ローラ２
５が回動されると、該駆動ローラ２５を介してこれと逆
向きに回動される。Therefore, the traction driven roller 24 is
Traction drive roller 2 together with drive shaft 1a of electric motor 1
When 5 is rotated, it is rotated in the opposite direction via the drive roller 25.
【００３３】そして、上記ワンウェイクラッチ２３は、
例えば電動機１の駆動軸１ａが図中矢印Ｂの向きに回動
されてトラクション被動ローラ２４がこれと逆向きの矢
印Ｂ’の向きに回動された時にのみ、“ＯＮ”となるよ
うに構成されており、この“ＯＮ”状態においては、ト
ラクション被動ローラ２４と補機駆動軸３とを一体に回
動自在に接続する。The one-way clutch 23 is
For example, the drive shaft 1a of the electric motor 1 is turned "ON" only when the drive shaft 1a is turned in the direction of arrow B and the traction driven roller 24 is turned in the direction of arrow B ', which is the opposite direction to this. In this "ON" state, the traction driven roller 24 and the accessory drive shaft 3 are integrally and rotatably connected.
【００３４】一方、回転機構２０は、第２の接続手段２
２を構成するワンウェイクラッチ２６を介して補機駆動
軸３に回動自在に支承された被動プーリ２７を有し、こ
の被動プーリ２７は、電動機１の駆動軸１ａに一体に回
動自在に装着された駆動プーリ２８にプーリベルト２９
を介して接続されている。On the other hand, the rotating mechanism 20 includes the second connecting means 2
2 has a driven pulley 27 rotatably supported on the accessory drive shaft 3 via a one-way clutch 26 constituting the drive pulley 2. The driven pulley 27 is rotatably mounted integrally on the drive shaft 1a of the electric motor 1. Pulley belt 29 to the driven pulley 28
Connected through.
【００３５】従って、被動プーリ２７は、電動機１の駆
動軸１ａと共に駆動プーリ２８が回動されると、該駆動
プーリ２８を介してこれと同じ向き（前記トラクション
被動ローラ２４とは逆向き）に回動される。Therefore, when the drive pulley 28 is rotated together with the drive shaft 1a of the electric motor 1, the driven pulley 27 is moved in the same direction (opposite to the traction driven roller 24) via the drive pulley 28. It is rotated.
【００３６】そして、上記ワンウェイクラッチ２６は、
例えば電動機１の駆動軸１ａが図中矢印Ａの向き（矢印
Ｂと逆向き）に回動されて被動プーリ２７がこれと同じ
向きの矢印Ａ''の向きに回動された時にのみ、“ＯＮ”
となるように構成されており、この“ＯＮ”状態におい
ては、被動プーリ２７と補機駆動軸３とを一体に回動自
在に接続する。The one-way clutch 26 is
For example, only when the drive shaft 1a of the electric motor 1 is rotated in the direction of the arrow A in the figure (opposite to the arrow B) and the driven pulley 27 is rotated in the same direction as the arrow A '', ON ”
In this "ON" state, the driven pulley 27 and the accessory drive shaft 3 are integrally and rotatably connected.
【００３７】次に、かかる電気走行車の作動を同図に従
って説明する。Next, the operation of the electric vehicle will be described with reference to FIG.
【００３８】この電気走行車においては、電動機１の駆
動軸１ａが矢印Ａの向きに回動されると、前記したよう
に、回転機構１９のトラクション被動ローラ２４が駆動
軸１ａと逆向きの矢印Ａ’の向きに回動され、また、回
転機構２０の被動プーリ２７が駆動軸１ａと同じ向きの
矢印Ａ''の向きに回動される。In this electric vehicle, when the drive shaft 1a of the electric motor 1 is rotated in the direction of arrow A, as described above, the traction driven roller 24 of the rotating mechanism 19 is directed in the direction opposite to that of the drive shaft 1a. The driven pulley 27 of the rotating mechanism 20 is rotated in the direction of A ′, and is also rotated in the direction of arrow A ″, which is the same direction as the drive shaft 1a.
【００３９】この時、前記したように、第１の接続手段
２１のワンウェイクラッチ２３が“ＯＦＦ”となる一
方、第２の接続手段２２のワンウェイクラッチ２６が
“ＯＮ”となる。このため、補機駆動軸３には、電動機
１の駆動軸１ａから駆動プーリ２８、プーリベルト２
９、被動プーリ２７及びワンウェイクラッチ２６を順に
介して駆動力が伝達され、この時、補機駆動軸３は、図
中矢印Ｃの向きに回動される。At this time, as described above, the one-way clutch 23 of the first connecting means 21 is turned "OFF", while the one-way clutch 26 of the second connecting means 22 is turned "ON". Therefore, the auxiliary machine drive shaft 3 includes the drive shaft 1a of the electric motor 1 to the drive pulley 28 and the pulley belt 2
9, the driving force is transmitted in order through the driven pulley 27 and the one-way clutch 26, and at this time, the accessory drive shaft 3 is rotated in the direction of arrow C in the figure.
【００４０】一方、電動機１の駆動軸１ａが上記と逆
に、矢印Ｂの向きに回動されると、回転機構１９のトラ
クション被動ローラ２４が駆動軸１ａと逆向きの矢印
Ｂ’の向きに回動され、また、回転機構２０の被動プー
リ２７が駆動軸１ａと同じ向きの矢印Ｂ''の向きに回動
される。On the other hand, when the drive shaft 1a of the electric motor 1 is rotated in the direction of arrow B in the opposite direction to the above, the traction driven roller 24 of the rotating mechanism 19 is moved in the direction of arrow B'opposite to the drive shaft 1a. The driven pulley 27 of the rotating mechanism 20 is rotated in the same direction as the drive shaft 1a in the direction of arrow B ″.
【００４１】この時、前記したように、第１の接続手段
２１のワンウェイクラッチ２３が“ＯＮ”となる一方、
第２の接続手段２２のワンウェイクラッチ２６が“ＯＦ
Ｆ”となる。このため、補機駆動軸３には、電動機１の
駆動軸１ａからトラクション駆動ローラ２５、トラクシ
ョン被動ローラ２４及びワンウェイクラッチ２３を順に
介して駆動力が伝達され、この時、補機駆動軸３は、図
中矢印Ｃの向き（駆動軸１ａと逆向き）に回動される。At this time, as described above, while the one-way clutch 23 of the first connecting means 21 is turned "ON",
The one-way clutch 26 of the second connecting means 22 is "OF".
Therefore, the driving force is transmitted to the accessory drive shaft 3 from the drive shaft 1a of the electric motor 1 through the traction drive roller 25, the traction driven roller 24, and the one-way clutch 23 in this order. The machine drive shaft 3 is rotated in the direction of arrow C in the figure (opposite to the drive shaft 1a).
【００４２】従って、前記第１の例と同様に、補機駆動
軸３は、電動機１の駆動軸１ａの正転・逆転にかかわら
ず、いずれの場合であっても、同じ向き（矢印Ｃの向
き）に回動され、その回動により補機４を駆動すること
ができる。Therefore, as in the case of the first example, the auxiliary machine drive shaft 3 has the same direction (indicated by the arrow C) regardless of whether the drive shaft 1a of the electric motor 1 is forward or reverse. The auxiliary machine 4 can be driven by the rotation.
【００４３】次に、本発明の電気走行車の第３の例を図
３に従って説明する。Next, a third example of the electric vehicle of the present invention will be described with reference to FIG.
【００４４】図３は該電気走行車の要部の構成を説明す
るための模式的説明図である。FIG. 3 is a schematic explanatory view for explaining the structure of the main part of the electric vehicle.
【００４５】この電気走行車は、前記第１の例の電気走
行車と同様に、電動機１の駆動力をその駆動軸１ａから
駆動輪２，２に伝達するための駆動ギヤ９、被動ギヤ１
１、副軸１０、発進クラッチ１２及び差動歯車機構１３
を備えると共に、補機４を駆動するための補機駆動軸３
を備え、他方、第１の例と構成の異なる一組の回転機構
３０，３１並びに第１及び第２の接続手段３２，３３を
備えている。This electric traveling vehicle, like the electric traveling vehicle of the first example, has a drive gear 9 and a driven gear 1 for transmitting the driving force of the electric motor 1 from its drive shaft 1a to the drive wheels 2 and 2.
1, counter shaft 10, starting clutch 12, and differential gear mechanism 13
And an accessory drive shaft 3 for driving the accessory 4.
On the other hand, on the other hand, a set of rotating mechanisms 30 and 31 different in configuration from the first example and first and second connecting means 32 and 33 are provided.
【００４６】この場合、回転機構３０，３１は、それぞ
れ補機駆動軸３に互いに対向して回動自在に支承された
被動ベベルギヤ３４，３５を有し、これらの両ベベルギ
ヤ３４，３５は、電動機１の駆動軸１ａに一体に回動自
在に装着された駆動ベベルギヤ３６に噛合されている。In this case, the rotating mechanisms 30 and 31 respectively have driven bevel gears 34 and 35 which are rotatably supported by the auxiliary machine drive shaft 3 so as to face each other, and these bevel gears 34 and 35 are both motors. One drive shaft 1a is meshed with a drive bevel gear 36 rotatably attached to the drive shaft 1a.
【００４７】従って、各被動ベベルギヤ３４，３５は、
電動機１の駆動軸１ａが回動されると、駆動ベベルギヤ
３６を介して互いに逆向きに回動される。Therefore, the driven bevel gears 34 and 35 are
When the drive shaft 1a of the electric motor 1 is rotated, the drive shaft 1a is rotated in opposite directions via the drive bevel gear 36.
【００４８】また、第１及び第２の接続手段３２，３３
は、両被動ベベルギヤ３４，３５間の位置で補機駆動軸
３にスプライン等を介して一体に回動自在、且つ摺動自
在に支承された共通のドグクラッチ３７を備え、このド
グクラッチ３７は、周知のものと同様に、ベベルギヤ３
４に向かって摺動された時には該ベベルギヤ３４及びド
グクラッチ３７に設けた複数のダボ３８を介して補機駆
動軸３及びベベルギヤ３４を一体に回動自在に接続し、
ベベルギヤ３５に向かって摺動された時には補機駆動軸
３及びベベルギヤ３４を切り離すと共に、該ベベルギヤ
３５及びドグクラッチ３７に設けた複数のダボ３９を介
して補機駆動軸３及びベベルギヤ３５を一体に回動自在
に接続するようにしている。Further, the first and second connecting means 32, 33
Is provided with a common dog clutch 37 which is integrally and rotatably and slidably supported on the accessory drive shaft 3 via a spline or the like at a position between the driven bevel gears 34 and 35. The dog clutch 37 is well known. Bevel gear 3 as well as
When slid toward 4, the auxiliary machine drive shaft 3 and the bevel gear 34 are rotatably connected integrally via the bevel gear 34 and a plurality of dowels 38 provided on the dog clutch 37,
When slid toward the bevel gear 35, the accessory drive shaft 3 and the bevel gear 34 are separated, and the accessory drive shaft 3 and the bevel gear 35 are integrally rotated through the plurality of dowels 39 provided on the bevel gear 35 and the dog clutch 37. I am trying to connect freely.
【００４９】この場合、かかるドグクラッチ３７の摺動
は、アクチュエータ等の駆動機構４０により行われ、駆
動機構４０は、運転者による前進・後進の選択切替えに
応じて補機駆動軸３と接続するベベルギヤ３４，３５を
切替えるべくドグクラッチ３７を摺動させるようにして
いる。In this case, the dog clutch 37 is slid by a drive mechanism 40 such as an actuator, and the drive mechanism 40 is connected to the auxiliary machine drive shaft 3 in response to a driver's forward / reverse selection switching. The dog clutch 37 is slid to switch between 34 and 35.
【００５０】次に、かかる電気走行車の作動を同図に従
って説明する。Next, the operation of the electric vehicle will be described with reference to FIG.
【００５１】この電気走行車においては、電動機１の駆
動軸１ａが矢印Ａの向きに回動されると、前記したよう
に、被動ベベルギヤ３４，３５は、それぞれ互いに逆向
きの矢印Ａ''及び矢印Ａ’の向きに回動される。In this electric vehicle, when the drive shaft 1a of the electric motor 1 is rotated in the direction of arrow A, as described above, the driven bevel gears 34 and 35 respectively move in opposite directions of arrow A ″ and arrow A ″. It is rotated in the direction of arrow A '.
【００５２】この時、前記駆動機構４０は、ドグクラッ
チ３７を例えばベベルギヤ３４側に摺動させ、これによ
り、補機駆動軸３及びベベルギヤ３４をドグクラッチ３
７を介して接続する。そして、この時、補機駆動軸３と
ベベルギヤ３５とは切り離されており、このため、補機
駆動軸３は、電動機１の駆動軸１ａから駆動ベベルギヤ
３６、被動ベベルギヤ３４及びドグクラッチ３７を順に
介して駆動力が伝達され、ベベルギヤ３４と同じ回転方
向である矢印Ｃの向きに回動される。At this time, the drive mechanism 40 causes the dog clutch 37 to slide, for example, toward the bevel gear 34 side, whereby the auxiliary machine drive shaft 3 and the bevel gear 34 are moved to the dog clutch 3 side.
Connect via 7. At this time, the accessory drive shaft 3 and the bevel gear 35 are separated from each other. Therefore, the accessory drive shaft 3 passes through the drive bevel gear 36, the driven bevel gear 34, and the dog clutch 37 in this order from the drive shaft 1a of the electric motor 1. Driving force is transmitted, and the bevel gear 34 is rotated in the direction of arrow C, which is the same rotation direction as the bevel gear 34.
【００５３】一方、電動機１の駆動軸１ａが上記と逆
に、矢印Ｂの向きに回動されると、被動ベベルギヤ３
４，３５は、矢印Ｂ''及び矢印Ｂ’の向きに回動され
る。On the other hand, when the drive shaft 1a of the electric motor 1 is rotated in the direction of the arrow B contrary to the above, the driven bevel gear 3
4, 35 are rotated in the directions of arrow B ″ and arrow B ′.
【００５４】この時、ドグクラッチ３７はベベルギヤ３
５側に摺動され、これにより、補機駆動軸３及びベベル
ギヤ３４が切り離されると共に、補機駆動軸３及びベベ
ルギヤ３５がドグクラッチ３７を介して接続される。こ
のため、補機駆動軸３は、電動機１の駆動軸１ａから駆
動ベベルギヤ３６、被動ベベルギヤ３５及びドグクラッ
チ３７を順に介して駆動力が伝達される。そして、この
時、ベベルギヤ３５は、上記の場合におけるベベルギヤ
３４と同じ向きに回動されているので、補機駆動軸３
は、やはり矢印Ｃの向きに回動される。At this time, the dog clutch 37 is the bevel gear 3
The auxiliary machine drive shaft 3 and the bevel gear 34 are separated from each other by sliding to the 5 side, and the auxiliary machine drive shaft 3 and the bevel gear 35 are connected via the dog clutch 37. Therefore, the driving force is transmitted to the accessory drive shaft 3 from the drive shaft 1a of the electric motor 1 through the drive bevel gear 36, the driven bevel gear 35, and the dog clutch 37 in this order. At this time, since the bevel gear 35 is rotated in the same direction as the bevel gear 34 in the above case, the accessory drive shaft 3
Is also rotated in the direction of arrow C.
【００５５】従って、前記第１の例と同様に、補機駆動
軸３は、電動機１の駆動軸１ａの正転・逆転にかかわら
ず、いずれの場合であっても、同じ向き（矢印Ｃの向
き）に回動され、その回動により補機４を駆動すること
ができる。Therefore, as in the first example, the auxiliary machine drive shaft 3 has the same direction (indicated by the arrow C) regardless of whether the drive shaft 1a of the electric motor 1 is forward or reverse. The auxiliary machine 4 can be driven by the rotation.
【００５６】[0056]
【発明の効果】上記の説明から明らかなように、本発明
によれば、一組の回転機構を電動機の駆動軸に連動させ
て互いに逆方向に回動させ、この時、電動機の駆動軸の
正転時には、一方の回転機構を第１の接続手段により補
機駆動軸に接続して該補機駆動軸を駆動し、また、電動
機の駆動軸の逆転時には、他方の回転機構を第２の接続
手段により補機駆動軸に接続して該補機駆動軸を駆動す
るようにしたことによって、電動機の駆動軸の正転・逆
転にかかわらず、補機駆動軸を同一方向に回動させるこ
とができ、該補機駆動軸により補機を駆動することがで
きる。As is apparent from the above description, according to the present invention, a pair of rotating mechanisms are interlocked with the drive shaft of the electric motor to rotate in opposite directions, and at this time, the drive shaft of the electric motor is rotated. At the time of forward rotation, one of the rotating mechanisms is connected to the accessory drive shaft by the first connecting means to drive the accessory drive shaft, and at the time of reverse rotation of the drive shaft of the electric motor, the other rotating mechanism is connected to the second drive mechanism. By connecting the auxiliary device drive shaft by the connecting means to drive the auxiliary device drive shaft, the auxiliary device drive shaft can be rotated in the same direction regardless of whether the drive shaft of the electric motor rotates forward or backward. The auxiliary machine drive shaft can drive the auxiliary machine.
【００５７】そして、このように補機駆動軸を電動機の
駆動軸の正転・逆転にかかわらず、同一方向に回動させ
ることができることによって、電気走行車の前進・後進
を電動機の正転・逆転により行うことができ、電動機か
ら駆動輪に至る動力伝達機構の構成を簡略なものとする
ことができる。In this way, the auxiliary machine drive shaft can be rotated in the same direction regardless of whether the drive shaft of the electric motor is forward or reverse, so that the forward and backward movements of the electric vehicle can be performed by the normal and reverse rotation of the electric motor. This can be done by reverse rotation, and the structure of the power transmission mechanism from the electric motor to the drive wheels can be simplified.
【図１】本発明の電気走行車の第１の例の要部の構成を
説明するための模式的構成図、FIG. 1 is a schematic configuration diagram for explaining a configuration of a main part of a first example of an electric vehicle of the present invention,
【図２】本発明の電気走行車の第２の例の要部の構成を
説明するための模式的構成図、FIG. 2 is a schematic configuration diagram for explaining a configuration of a main part of a second example of the electric traveling vehicle of the present invention,
【図３】本発明の電気走行車の第３の例の要部の構成を
説明するための模式的構成図。FIG. 3 is a schematic configuration diagram for explaining a configuration of a main part of a third example of the electric vehicle of the present invention.
１…電動機、１ａ…駆動軸、３…補機駆動軸、４…補
機、５，６，１９，２０，３０，３１…回転機構、７，
２１，３２…第１の接続手段、８，２２，３３…第２の
接続手段。1 ... Electric motor, 1a ... Drive shaft, 3 ... Auxiliary machine drive shaft, 4 ... Auxiliary machine, 5, 6, 19, 20, 30, 31 ... Rotation mechanism, 7,
21, 32 ... First connecting means, 8, 22, 33 ... Second connecting means.
Claims (1)
において、該電動機の駆動軸に連動して互いに逆方向に
回動し、且つ、該駆動軸の正転・逆転に応じてそれぞれ
回転方向が逆向きとなる一組の回転機構と、当該電気走
行車の補機を駆動するための補機駆動軸と、前記電動機
の駆動軸の正転時にのみこれに連動させて前記補機駆動
軸を所定の向きに回動させるべく前記両回転機構の一方
を該補機駆動軸に接続する第１の接続手段と、前記電動
機の駆動軸の逆転時にのみこれに連動させて前記補機駆
動軸を前記所定の向きに回動させるべく前記両回転機構
の他方を該補機駆動軸に接続する第２の接続手段とを備
えたことを特徴とする電気走行車。1. In an electric traveling vehicle that travels by the driving force of an electric motor, the electric vehicle rotates in opposite directions in conjunction with the driving shaft of the electric motor, and the rotation directions of the driving shaft change in accordance with normal rotation and reverse rotation. In a reverse direction, an auxiliary machine drive shaft for driving an auxiliary machine of the electric vehicle, and a drive shaft of the electric motor, which is interlocked with the auxiliary machine drive shaft only in the normal rotation of the auxiliary machine drive shaft. A first connecting means for connecting one of the rotating mechanisms to the auxiliary machine drive shaft in order to rotate the auxiliary machine drive shaft in a predetermined direction, and the auxiliary machine drive shaft in cooperation with the first connecting means only when the drive shaft of the electric motor is reversed. An electric traveling vehicle comprising: a second connecting unit that connects the other of the rotating mechanisms to the accessory drive shaft in order to rotate the vehicle in the predetermined direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11350791A JP2991805B2 (en) | 1991-05-17 | 1991-05-17 | Electric traveling car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11350791A JP2991805B2 (en) | 1991-05-17 | 1991-05-17 | Electric traveling car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05104964A true JPH05104964A (en) | 1993-04-27 |
| JP2991805B2 JP2991805B2 (en) | 1999-12-20 |
Family
ID=14614084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11350791A Expired - Fee Related JP2991805B2 (en) | 1991-05-17 | 1991-05-17 | Electric traveling car |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2991805B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009262872A (en) * | 2008-04-28 | 2009-11-12 | Toyota Motor Corp | In-wheel motor for vehicle |
| WO2013046748A1 (en) * | 2011-09-26 | 2013-04-04 | 日本精工株式会社 | Electric vehicle drive unit |
| DE102018113676B3 (en) | 2018-06-08 | 2019-05-29 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Car accessory arrangement |
-
1991
- 1991-05-17 JP JP11350791A patent/JP2991805B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009262872A (en) * | 2008-04-28 | 2009-11-12 | Toyota Motor Corp | In-wheel motor for vehicle |
| WO2013046748A1 (en) * | 2011-09-26 | 2013-04-04 | 日本精工株式会社 | Electric vehicle drive unit |
| CN103814237A (en) * | 2011-09-26 | 2014-05-21 | 日本精工株式会社 | Electric vehicle drive unit |
| JPWO2013046748A1 (en) * | 2011-09-26 | 2015-03-26 | 日本精工株式会社 | Electric vehicle drive |
| US9120370B2 (en) | 2011-09-26 | 2015-09-01 | Nsk Ltd. | Drive apparatus for an electric automobile |
| DE102018113676B3 (en) | 2018-06-08 | 2019-05-29 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Car accessory arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2991805B2 (en) | 1999-12-20 |
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