JPS63121573A - Rear-wheel steering gear - Google Patents
Rear-wheel steering gearInfo
- Publication number
- JPS63121573A JPS63121573A JP25478087A JP25478087A JPS63121573A JP S63121573 A JPS63121573 A JP S63121573A JP 25478087 A JP25478087 A JP 25478087A JP 25478087 A JP25478087 A JP 25478087A JP S63121573 A JPS63121573 A JP S63121573A
- Authority
- JP
- Japan
- Prior art keywords
- trailing arm
- actuator
- wheel steering
- vehicle
- hydraulic cylinder
- 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
- 239000000725 suspension Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 241001247986 Calotropis procera Species 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/06—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins
- B62D7/14—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering
- B62D7/146—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by comprising means for steering by acting on the suspension system, e.g. on the mountings of the suspension arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/06—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins
- B62D7/14—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering
- B62D7/15—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels
- B62D7/1554—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels comprising a fluid interconnecting system between the steering control means of the different axles
- B62D7/1572—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels comprising a fluid interconnecting system between the steering control means of the different axles provided with electro-hydraulic control means
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
Description
【発明の詳細な説明】
この発明は車両の旋回時におけるサイドフォースにより
生ずるコンプライアンスステアを制御するための後輪操
舵装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a rear wheel steering device for controlling compliance steer caused by side force when a vehicle turns.
従来のこの種後輪操舵装置としては、例えば第１図に示
すような装置（実開昭５５−１４７９６８号）がある。As a conventional rear wheel steering device of this type, there is a device as shown in FIG. 1 (Japanese Utility Model Application No. 147968/1983).
図中１は後輪、２は車軸で、この車軸２は左右のナック
ルアーム３，３′とそれぞれ一体に形成されており、こ
れらナックルアーム３，３′ハキンクヒン４を介してサ
スペンションビーム５に枢支されており、またナックル
アーム３．．３′の可動側はタイロッド６により連結さ
れており、一方のナックルアーム３の遊端部が油圧また
は空圧シリンダ７によって操作されるようになっている
。In the figure, 1 is a rear wheel, and 2 is an axle. This axle 2 is formed integrally with left and right knuckle arms 3, 3', respectively, and is pivoted to a suspension beam 5 via a hinge 4 between these knuckle arms 3, 3'. It is supported by a knuckle arm 3. ．． The movable side of the knuckle arm 3' is connected by a tie rod 6, and the free end of one knuckle arm 3 is operated by a hydraulic or pneumatic cylinder 7.
しかしながら、このような従来の後輪操舵装置にあって
は、後輪１を操舵するためにキングピン４を有するサス
ペンションが必要であったため、キングピンがない後輪
サスペンションを有する従来型車に、第１図のような後
輪操舵装置を取り付けるには、大幅な設計変更が必要と
なるため、大幅なコストの上昇がさけられないという問
題点があった。However, in such a conventional rear wheel steering device, a suspension having a king pin 4 was required in order to steer the rear wheel 1. Installing the rear wheel steering device as shown in the figure requires a significant design change, which poses the problem of a significant increase in costs.
この発明は上述の問題点に着目してなされたもので、後
輪サスペンションをゴムブツシュ等の弾性体を介して車
体に連結し、その弾性体を強制的に変形させて後輪を操
舵することにより、上記の問題点を解決することを目的
とするものである。This invention was made by focusing on the above-mentioned problem, and it is possible to connect the rear wheel suspension to the vehicle body through an elastic body such as a rubber bushing, and to forcibly deform the elastic body to steer the rear wheels. , which aims to solve the above problems.
以下この発明の実施例を図面に基づいて説明する。図中
８は後輪、１５は車体である。Embodiments of the present invention will be described below based on the drawings. In the figure, 8 is a rear wheel, and 15 is a vehicle body.
第２図〜第４図は、後輪８のトー角を規制すると共に、
前後方向の位置決めを行うトレーリングアーム３４と、
後輪８の左右方向の位置決めを行うラテラルリンク３５
と、これらのアーム３４とリンク３５を回動可能に連結
した車軸３６と、車軸３６に剛結したストラット３７と
、コイルスプリング３８とよりなるサスペンションに本
発明を実施した状態を示すもので、トレーリングアーム
３４の先端部の車体１５に対する連結部の構成は第４図
に詳細に示すようになっている。すなわち図中２７はア
ーム３４の連結部に設けた外筒、２８はこの外筒２７内
に固着したゴムブツシュ、２９はこのゴムブツシュ２８
内に固着した内筒、３０は前記ブラケット２６と内筒２
９を貫通する連結ボルト、３１はそのナツトである。2 to 4, the toe angle of the rear wheel 8 is regulated, and
a trailing arm 34 for positioning in the front-rear direction;
Lateral link 35 that positions the rear wheel 8 in the left and right direction
This figure shows the state in which the present invention is implemented in a suspension consisting of an axle 36 rotatably connecting these arms 34 and links 35, a strut 37 rigidly connected to the axle 36, and a coil spring 38. The configuration of the connecting portion of the tip end of the ring arm 34 to the vehicle body 15 is shown in detail in FIG. 4. That is, in the figure, 27 is an outer cylinder provided at the connecting part of the arm 34, 28 is a rubber bushing fixed inside this outer cylinder 27, and 29 is this rubber bushing 28.
An inner cylinder 30 fixed inside the bracket 26 and the inner cylinder 2
9 is a connecting bolt passing through it, and 31 is its nut.
そしてこの場合は、トレーリングアーム３４の前部にブ
ラケット３４ａを突設し、このブラケット３４ａと車体
１５間にアクチュエータとして油圧シリンダ１６を介装
する。１７は油圧シリンダ１６を制＜’Ｂするための電
磁比例スプールバルブで、１７ａ、 １７ｂはソレノイ
ドである。１８はオイルポンプ、１９はオイルタンク、
２０は車両のハンドル、２１はこのハンドル２０の操作
量を検出する舵角検出器、２２はこの舵角検出器２１の
出力信号を増幅してソレノイド１７ａまたは１７ｂに入
力してバルブ１７を制御する増幅器である。In this case, a bracket 34a is provided protruding from the front part of the trailing arm 34, and a hydraulic cylinder 16 is interposed between the bracket 34a and the vehicle body 15 as an actuator. 17 is an electromagnetic proportional spool valve for controlling the hydraulic cylinder 16, and 17a and 17b are solenoids. 18 is the oil pump, 19 is the oil tank,
20 is a steering wheel of the vehicle; 21 is a steering angle detector that detects the amount of operation of the steering wheel 20; and 22 is a steering angle detector that amplifies the output signal of the steering angle detector 21 and inputs it to the solenoid 17a or 17b to control the valve 17. It's an amplifier.
この装置において、油圧シリンダ１６により、トレーリ
ングアーム３４を矢印Ｈの方向に引張ると、ラテラルリ
ンク３５の車軸３６側の連結点Ｐのまわりにトレーリン
グアーム３４と車軸３６と後輪８とが一体に回転し、第
２図の鎖線図で示すように後輪８が転舵する。In this device, when the trailing arm 34 is pulled in the direction of the arrow H by the hydraulic cylinder 16, the trailing arm 34, the axle 36, and the rear wheel 8 are integrated around the connection point P on the axle 36 side of the lateral link 35. 2, and the rear wheels 8 are steered as shown by the chain diagram in FIG.
第５図および第６図は、トレーリングアーム３９と、上
部ラテラルリンク４０と、下部ラテラルリンク４１より
なるサスペンションに本発明を実施したもので、トレー
リングアーム３９の先端部と車体１５の連結部の構造は
、前記実施例と同様である。この場合もトレーリングア
ーム３９の前部に突設したブラケット３９ａと車体１５
間にアクチュエータとして油圧シリンダ１６を介挿する
。したがって油圧シリンダ１６を操作して第５図の矢印
■の方向にトレーリングアーム３９を引けば、鎖線図で
示すように後輪８を転舵させることができる。FIGS. 5 and 6 show a suspension comprising a trailing arm 39, an upper lateral link 40, and a lower lateral link 41 in which the present invention is applied, and the connecting portion between the tip of the trailing arm 39 and the vehicle body 15. The structure of is similar to that of the previous embodiment. In this case as well, the bracket 39a protruding from the front part of the trailing arm 39 and the vehicle body 15
A hydraulic cylinder 16 is inserted between them as an actuator. Therefore, by operating the hydraulic cylinder 16 and pulling the trailing arm 39 in the direction of the arrow (■) in FIG. 5, the rear wheels 8 can be steered as shown in the chain diagram.
また第７図および第８図は、車体１５との連結部を幅広
くしたトレーリングアーム４２と、１本のラテラルリン
ク４３とよりなるサスペンションに本発明を適用したも
ので、トレーリングアーム４２の車体１５との連結部の
構成は前記した外筒２７とブラケット２６等よりなる構
造と同様である。7 and 8 show a case in which the present invention is applied to a suspension consisting of a trailing arm 42 with a wide connecting portion to the vehicle body 15 and one lateral link 43. The structure of the connecting portion with 15 is similar to the structure consisting of the outer cylinder 27, bracket 26, etc. described above.
この場合はトレーリングアーム４２の前部内側にブラケ
ット４２ａを突設し、このブラケット４２ａと車体１５
間にアクチュエータとして油圧シリンダ１６を設ける。In this case, a bracket 42a is provided protruding from the inside of the front part of the trailing arm 42, and this bracket 42a and the vehicle body 15
A hydraulic cylinder 16 is provided between them as an actuator.
したがって油圧シリンダ１６を操作してトレーリングア
ーム４２を例えば第７図の矢印Ｊの方向に引けば、アー
ム４２および後輪８が鎖線図で示すように変位する。Therefore, when the hydraulic cylinder 16 is operated to pull the trailing arm 42 in the direction of arrow J in FIG. 7, for example, the arm 42 and the rear wheel 8 are displaced as shown by the chain diagram.
以上説明してきたようにこの発明によれば、サスペンシ
ョンをゴムブツシュ等の弾性体を介して車体に取り付け
、このゴムブツシュ等の弾性体を別に設けた油圧シリン
ダまたは空圧シリンダ等のアクチュエータによりたわま
せることにより、後輪を転舵するようにしたため、従来
の車両に大幅な設計変更をせずに、後輪操舵装置を設け
ることができるという効果が得られる。As explained above, according to the present invention, the suspension is attached to the vehicle body via an elastic body such as a rubber bush, and the elastic body such as the rubber bush is deflected by a separately provided actuator such as a hydraulic cylinder or a pneumatic cylinder. Since the rear wheels are steered, it is possible to provide a rear wheel steering device to a conventional vehicle without making a major design change.
また本発明は油圧または空圧シリンダ等のアクチュエー
タをゴムブツシュ等の弾性体と別に設けたから、高圧の
油圧または空圧を使用することができる上に、ゴムブツ
シュ等の弾性体の強度および耐久性上の心配がなくなる
という効果も得られる。Furthermore, in the present invention, since an actuator such as a hydraulic or pneumatic cylinder is provided separately from an elastic body such as a rubber bushing, high-pressure hydraulic or pneumatic pressure can be used, and the strength and durability of the elastic body such as a rubber bushing is improved. It also has the effect of eliminating worries.
また本発明装置はラテラルリンクで横荷重を支えること
により、アクチュエータに入る外力による外乱を小さく
することができ、アクチュエータの圧力に応じた後輪の
操舵量を正確にすることができる。Furthermore, by supporting the lateral load with the lateral link, the device of the present invention can reduce disturbances caused by external forces entering the actuator, and can accurately steer the rear wheels according to the pressure of the actuator.
またアクチュエータの操作方向を、トレーリングアーム
前端部の車体との連結点に設けた弾性体（ゴムブツシュ
）のたわみ易い方向に略合致するようにしたから、付勢
力が小さくてすみ、アクチュエータを小型化できるとい
う効果も得られる。In addition, since the operating direction of the actuator is made to approximately match the direction in which the elastic body (rubber bushing) provided at the front end of the trailing arm connects to the vehicle body is easily deflected, the biasing force is small and the actuator can be made smaller. You can also get the effect of being able to do it.
第１図は従来の後輪操舵装置の一例を示す平面図、
第２図は本発明装置の実施例の平面図、第３図はその立
面図、
第４図は部分断面図、
第５図は他の実施例の平面図、
第６図はその立面図
第７図は他の実施例の平面図、
第８図はその立面図である。
８・・・後輪 １５・・・車体１６・・・油
圧シリンダ
１７・・・電磁比例スプールパルプ
１８・・・オイルポンプ １９・・・オイルタンク２
０・・・ハンドル ２１・・・舵角検出器２２・
・・増幅器 ２７・・・外筒２８・・・ゴムブ
ツシュ ２９・・・内筒３０・・・連結ボルト
３１・・・ナツト３４・・・トレーリングアーム
３５・・・ラテラルリンク ３６・・・車軸３７・・・
ストラット ３８・・・コイルスプリング３９・・
・トレーリングアーム
４０・・・上部ラテラルリンク
４１・・・下部ラテラルリンク
４２・・・トレーリングアーム
４３・・・ラテラルリンク
第４図
第５図Fig. 1 is a plan view showing an example of a conventional rear wheel steering device, Fig. 2 is a plan view of an embodiment of the device of the present invention, Fig. 3 is an elevational view thereof, Fig. 4 is a partial sectional view, and Fig. 5 The figures are a plan view of another embodiment, FIG. 6 is an elevation thereof, FIG. 7 is a plan view of another embodiment, and FIG. 8 is an elevation view thereof. 8... Rear wheel 15... Vehicle body 16... Hydraulic cylinder 17... Electromagnetic proportional spool pulp 18... Oil pump 19... Oil tank 2
0... Handle 21... Rudder angle detector 22.
...Amplifier 27...Outer tube 28...Rubber bushing 29...Inner tube 30...Connection bolt
31... Nut 34... Trailing arm 35... Lateral link 36... Axle 37...
Strut 38...Coil spring 39...
・Trailing arm 40... Upper lateral link 41... Lower lateral link 42... Trailing arm 43... Lateral link Fig. 4 Fig. 5
Claims (1)
が車両の略左右方向に指向する軸により弾性体を介して
車体に連結され、その後端部に車輪を取り付けたトレー
リングアームと、該トレーリングアームの後端部と車体
との間に揺動自在に取り付けた車両の略左右方向に延在
するラテラルロッドとからなる後輪サスペンションにお
いて、前輪操舵装置の作動を検出して作動するアクチュ
エータを前記トレーリングアームの前端部近傍と車体と
の間に揺動自在に連結すると共に、そのアクチュエータ
の作動方向を前記弾性体の軸線と略一致するようにした
ことを特徴とする後輪操舵装置。1. A trailing arm that is arranged to extend substantially in the longitudinal direction of the vehicle, whose front end is connected to the vehicle body via an elastic body by a shaft oriented substantially in the left-right direction of the vehicle, and whose rear end has a wheel attached. and a lateral rod extending substantially in the left-right direction of the vehicle and swingably attached between the rear end of the trailing arm and the vehicle body, detecting the operation of the front wheel steering device. An operating actuator is swingably connected between the vicinity of the front end of the trailing arm and the vehicle body, and the operating direction of the actuator is made to substantially coincide with the axis of the elastic body. Wheel steering device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25478087A JPS63121573A (en) | 1987-10-12 | 1987-10-12 | Rear-wheel steering gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25478087A JPS63121573A (en) | 1987-10-12 | 1987-10-12 | Rear-wheel steering gear |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57097366A Division JPS58214469A (en) | 1982-06-07 | 1982-06-07 | Rear wheel steering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63121573A true JPS63121573A (en) | 1988-05-25 |
| JPS6347671B2 JPS6347671B2 (en) | 1988-09-22 |
Family
ID=17269781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25478087A Granted JPS63121573A (en) | 1987-10-12 | 1987-10-12 | Rear-wheel steering gear |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63121573A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2726227A1 (en) * | 1994-10-26 | 1996-05-03 | Renault | SUSPENSION FOR AN INDEPENDENT REAR WHEEL TRAIN OF A MOTOR VEHICLE |
| FR2748236A1 (en) * | 1996-05-03 | 1997-11-07 | Renault | FRONT AXLE FOR MOTOR VEHICLE |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08321970A (en) * | 1995-05-26 | 1996-12-03 | Nec Corp | Black level correction circuitry for television camera device |
-
1987
- 1987-10-12 JP JP25478087A patent/JPS63121573A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2726227A1 (en) * | 1994-10-26 | 1996-05-03 | Renault | SUSPENSION FOR AN INDEPENDENT REAR WHEEL TRAIN OF A MOTOR VEHICLE |
| FR2748236A1 (en) * | 1996-05-03 | 1997-11-07 | Renault | FRONT AXLE FOR MOTOR VEHICLE |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6347671B2 (en) | 1988-09-22 |
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