JPS58145524A - Neutral control method of hydraulically operated speed changer and steering machine - Google Patents
Neutral control method of hydraulically operated speed changer and steering machineInfo
- Publication number
- JPS58145524A JPS58145524A JP2682782A JP2682782A JPS58145524A JP S58145524 A JPS58145524 A JP S58145524A JP 2682782 A JP2682782 A JP 2682782A JP 2682782 A JP2682782 A JP 2682782A JP S58145524 A JPS58145524 A JP S58145524A
- Authority
- JP
- Japan
- Prior art keywords
- neutral
- hydraulic
- signal
- zero
- signals
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K20/00—Arrangement or mounting of change-speed gearing control devices in vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、エンジンにて駆動され、１つの入力軸を有し
、主として装軌車両に用いられる油圧機械式変速及び操
向機の中立制御方法に関するもので、その目的とすると
ころは、油圧ポンプと油圧モータを用いた油圧機械式変
速及び操向機を用いた車両にあっても中立操作により停
止させることができるようにした中立制御方法を提供す
るととＫある。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a neutral control method for a hydromechanical transmission and steering gear that is driven by an engine, has one input shaft, and is mainly used in tracked vehicles. The object of the present invention is to provide a neutral control method that enables a vehicle using a hydromechanical transmission and steering device using a hydraulic pump and a hydraulic motor to be stopped by neutral operation.
以下本発明の実施態様を図面を参照して説明する。Embodiments of the present invention will be described below with reference to the drawings.
図中１はエンジン２に連結した１つの人力軸３と２つ（
左右）の出力軸４，５を有する機械式の変速装置、６，
７はエンジン２にて駆動される２つ（左右）の油圧ポン
プ、８．９は各油圧ポンプ６．７の吐出油にて駆動され
る油圧モータであり、この両モータ８，９の出力軸は上
記変速装置１１１１に連結してあり、この油圧モータｇ
、９の制御により変速装置１は各速度段内で無段階に変
速されるようＫなつ【いる。変速装置１には１連用クラ
ッチＡ、２速用クラツチＢ１３速用クラツチＣ，４速用
クラツチＤがあり、それぞれを油圧力にて選択的に作動
することＫより出力軸４．５の回転数がｌ速〜４速に変
速されるようＫなっている。In the figure, 1 indicates one human power shaft 3 connected to the engine 2 and two (
a mechanical transmission having left and right output shafts 4, 5; 6;
7 is two (left and right) hydraulic pumps driven by the engine 2, 8.9 is a hydraulic motor driven by the discharge oil of each hydraulic pump 6.7, and the output shafts of both motors 8 and 9 are is connected to the transmission 1111, and this hydraulic motor g
, 9, the transmission 1 is configured to be continuously shifted within each speed stage. The transmission 1 includes a 1-speed clutch A, a 2-speed clutch B, a 13-speed clutch C, and a 4-speed clutch D, each of which is selectively activated by hydraulic pressure to control the rotational speed of the output shaft 4.5. K is set so that the gears are shifted from 1st speed to 4th speed.
１１はエンジン２０回転数を制御するスロットル位置を
検出してこれの信号ａをとり出すスロットル位置検出器
、１２は車両を旋回させるためのノ・ンドルの旋回角度
を検出してこれの信１′）
号すをとり出すノ・ンドル角検出器、１３はチェンジレ
バーの前進、後進、中立、超信地旋回の４柚の位置を検
出してそれぞれに応じた信号Ｃなとり出すチェンジレバ
ー位置検出器、１４はエンジンブレーキをかけるための
信号ｄをとし出ス工ンジンブレーキスイッチ、１５は実
際のエンジン回転数によるエンジン回転数信号ｎ。11 is a throttle position detector that detects the throttle position that controls the engine 20 rotation speed and takes out a signal a from this, and 12 is a throttle position detector that detects the turning angle of the steering wheel for turning the vehicle and takes out the signal 1'. ) No. 13 is a change lever position detector that detects the four positions of the change lever: forward, reverse, neutral, and super turning, and takes out the corresponding signal C. , 14 is an engine brake switch that outputs a signal d for applying the engine brake, and 15 is an engine rotation speed signal n based on the actual engine rotation speed.
を権り出すエンジン回転数検出器、１６．１７は各油圧
モータδ、９の回転数信号ζ１ｌｌｌ”１ｌ１１を窄り
出すモータ回転数検出器、１ｇ、＋９゜２０．２１は上
記１速〜４速用クラツチＡ〜■）の油圧力を検出してそ
れぞれの信号ｅｌ’？ｇｌｈを取り出す油圧スイッチ、
２２．２３，２４゜２５は上記１速〜４速用クラツチＡ
〜■）を制御するそれぞれのクラッチ切換スイッチ、２
６゜２７は両ポンプ６．７の吐出量制御アクチェータで
ある。２８は制御論理（ロ）路であり、この回路２８は
上記各信号ａ 〜ｈ及び８ｍ ｌ ？’ａ＋ ｌ ｔｔ
、。16.17 is a motor rotation speed detector that outputs the rotation speed signal ζ1llll"1l11 of each hydraulic motor δ, 9, 1g, +9°20.21 is the above-mentioned 1st to 4th gear. A hydraulic switch that detects the hydraulic pressure of the speed clutches A~■) and outputs the respective signals el'?glh,
22.23,24゜25 is the clutch A for 1st to 4th speeds mentioned above.
~ ■) Each clutch changeover switch that controls
6.27 is a discharge amount control actuator for both pumps 6.7. 28 is a control logic (b) circuit, and this circuit 28 receives each of the above-mentioned signals a to h and 8ml? 'a+ l tt
,.
が入力するととＫより、この入力信号に応じて両ポンプ
６、フの吐出量制御アクチェータ２６゜２７に信号量、
ｊを、また各クラッチ切換スイッチ２２〜２５に信号に
、１．ｍ、ｎを出すようＫなっている。When is inputted, the signal amount,
j to each clutch selector switch 22 to 25 as a signal, 1. K is set to produce m and n.
以下に本発明方法における作用及び各作用における制御
論理回路の具体的実施例を示す。Below, specific examples of actions in the method of the present invention and control logic circuits for each action will be shown.
本発明に係る変速及び操向機は油圧ポンプを便用してお
り、その吐出板を完全にゼロにすることはできない。従
って適尚な制御をしなければ傘肉を停止させることがで
きない。そのために中立制御を行なう。The transmission and steering device according to the present invention uses a hydraulic pump, and its discharge plate cannot be completely brought to zero. Therefore, it is not possible to stop the canopy without proper control. For this purpose, neutral control is performed.
次にその具体的な制御方法を第２図を参照して説明する
。Next, a specific control method will be explained with reference to FIG.
チェンジレバーが中立位置にあり、チェンジレバー位ｉ
ｔ検出器１３から中立信号Ｃが論理回路２８に人力され
ると、論理回路から各クラッチ切換スイッチ２２〜２５
への信号ｅ Ｎｈを全てゼロにし、各クラッチＡ〜Ｄを
切る。これと同時に上記チェンジレバー位置検出器Ｉ３
からの中立信号と左右の各油圧モータの回転数検出器１
６．１７からの各回転数信号ｎ、ｌ及び算、。The change lever is in the neutral position, and the change lever is in position i.
When the neutral signal C from the t-detector 13 is inputted to the logic circuit 28, the logic circuit outputs each clutch changeover switch 22 to 25.
Set all signals eNh to zero and disengage each clutch A to D. At the same time, the change lever position detector I3
Neutral signal from the left and right hydraulic motor rotation speed detector 1
6. Each rotational speed signal n, l and calculation from 17.
から停止イぎ号１５及び＋６を出す。上記回転数信号ｒ
４．．及びル１．がゼロに近づく方向になるように停止
１＾号１ａ及び＋６をそれぞれ別々に左右の油圧ボ／プ
８，９の吐出量制御アクチェータ２６゜２７への信号ｉ
、ｊに加算器８１．８２を介して加算される。これＫよ
り各モータ８，９の回転、すなわち左右の出力軸４，５
０回転数はゼロに収束し、車両は停止される。上記加簀
器８＋。From there, issue a stop key number 15 and +6. The above rotation speed signal r
4. ．． and le 1. Signals i to the discharge amount control actuators 26 and 27 of the left and right hydraulic valves 8 and 9 are separately applied to the stop 1^ numbers 1a and +6 so that the value approaches zero.
, j via adders 81 and 82. From this K, the rotation of each motor 8, 9, that is, the left and right output shafts 4, 5
The zero rotation speed converges to zero, and the vehicle is stopped. The above-mentioned water storage device 8+.
８２は現在用されている信号ｌＫ停止（ｇ号十ｉ６また
は−Ｉ６を、また信号ｊ Ｋ ＋ １６または−１６を
加える演算器である。82 is an arithmetic unit that adds the currently used signal lK stop (g number 16 or -I6) and the signal j K + 16 or -16.
本発明は以上のようになり、チェンジレバーが中立位置
にあるときにチェンジレバー位置検出器１３からの中立
信号ＣＫより制御論理回路２８を介して全てのクラッチ
Ａ−Ｄを切り、また上記中立信号Ｃと、左右の油圧モー
タ８，９のそれぞれのモータ回転数検出器１６．１７か
らの各回転数信号−、、ｓ、、とから２つの停止信号Ｉ
ｓ 、 Ｉｇを出し、この両停止信号１５．１６をそれ
ぞれ別々に左右の油圧ポンプ６．７の吐田量制御アクチ
ェータ２６．２７へ、それぞれの油圧ポンプ６．７にて
駆動される油圧モータ６゜９０回転数がゼロになるよう
に出力するよう圧して中立制御するようＫしたから、油
圧ホンプと油圧モータを用いた油圧機械式変速及び操向
機を用いた車両にあっても中立操作により停止させるこ
とができる。The present invention is as described above, and when the change lever is in the neutral position, all clutches A to D are disconnected via the control logic circuit 28 in response to the neutral signal CK from the change lever position detector 13, and the neutral signal CK is C, and two stop signals I from the respective rotation speed signals -, s, from the motor rotation speed detectors 16 and 17 of the left and right hydraulic motors 8 and 9.
s and Ig, and send both stop signals 15.16 to the discharge amount control actuators 26.27 of the left and right hydraulic pumps 6.7, respectively, to the hydraulic motors 6° driven by the respective hydraulic pumps 6.7. 90 Since the output is pressed so that the number of rotations becomes zero and the neutral control is performed, even if the vehicle uses a hydromechanical transmission and steering device using a hydraulic pump and a hydraulic motor, it can be stopped by neutral operation. can be done.
図面は本発明の実１１ＩＡＷ１４様を示すもので、第１
図は制御系統図、第２図は本発明の要部の実施帖様を示
す説明図である。
１は変速装置、２はエンジン、３は入力軸、４．５は出
力軸、６，７は油圧ポンプ、８，９は油圧モータ、１３
はチェンジレバー位雪検出・器、１６．１７はモータ回
転数検出器、２６゜２７は吐出着制御アクチェータ。
出願人 株式会社 小松製作所
代理人 弁理士 米パ原 正 章
弁珊士 浜 本 忠The drawing shows the actual 11IAW14 of the present invention.
The figure is a control system diagram, and FIG. 2 is an explanatory diagram showing the implementation of the main part of the present invention. 1 is a transmission, 2 is an engine, 3 is an input shaft, 4.5 is an output shaft, 6 and 7 are hydraulic pumps, 8 and 9 are hydraulic motors, 13
16.17 is the motor rotation speed detector, 26°27 is the discharge control actuator. Applicant Komatsu Ltd. Agent Patent attorney Masaaki Yonepahara Attorney Tadashi Hamamoto
Claims (1)
，５と複数段の変速用油圧クラッチＡ〜Ｄとを有する機
械式の変速装置１と、エンジン２にて駆動される左右の
油圧ポンプ６．７とこれの吐出油にて駆動される左右の
油圧モータ８，９とからなり、この油圧モータε、９の
出力軸をト紀変速装置ＩＫ連結し、油圧モータ８．９の
制御により変速装置＋ ４’各速度段で無段階に変速さ
れるようにした油圧機械式変速及び操向機において、チ
ェンジレバーが中立位置にあるとぎにチェンジレバー位
置検出器１３からの中立信号Ｃにより制御論理回路２８
を介して全てのクラッチＡ−Ｄを切り、また上記中立信
号Ｃと、左右の油圧モータ８，９のそれぞれのモータ回
転数検出器１６．１７からの各回転数信号ｎ、、 、
ｎ、、 とから２つの停止信号Ｉｓ 、 Ｉｓを出
し、この両停止信号１ａ 、 Ｉａをそれぞれ別々に左
右の油圧ポンプ６、フＯ吐出量制御アクチェータ２６，
２７へ、それぞれの油圧ポンプ６゜７にて駆動される油
圧モータ８，９の回転鋏がゼロになるように出力するよ
うＫしたことを特徴とする油圧機械式変速及び操向機の
中立制御方法。One input shaft 3 and left and right output shafts 4 connected to the engine 2
, 5 and multi-stage hydraulic clutches A to D, left and right hydraulic pumps 6.7 driven by an engine 2, and left and right hydraulic pumps 6.7 driven by the oil discharged from these pumps. It consists of hydraulic motors 8 and 9, and the output shafts of the hydraulic motors ε and 9 are connected to a gear transmission IK, and the gears are continuously changed at each speed stage of the transmission +4' under the control of the hydraulic motors 8 and 9. In the hydromechanical transmission and steering device, when the change lever is in the neutral position, the control logic circuit 28 is activated by the neutral signal C from the change lever position detector 13.
, all clutches A to D are disengaged via
Two stop signals Is, Is are output from n, , and these stop signals 1a, Ia are sent separately to the left and right hydraulic pumps 6, the hydraulic discharge amount control actuator 26,
27, neutral control of a hydromechanical transmission and steering machine, characterized in that the output is set so that the rotary scissors of the hydraulic motors 8 and 9 driven by the respective hydraulic pumps 6.7 are zero. Method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2682782A JPS58145524A (en) | 1982-02-23 | 1982-02-23 | Neutral control method of hydraulically operated speed changer and steering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2682782A JPS58145524A (en) | 1982-02-23 | 1982-02-23 | Neutral control method of hydraulically operated speed changer and steering machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58145524A true JPS58145524A (en) | 1983-08-30 |
Family
ID=12204098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2682782A Pending JPS58145524A (en) | 1982-02-23 | 1982-02-23 | Neutral control method of hydraulically operated speed changer and steering machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58145524A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5131655A (en) * | 1974-09-11 | 1976-03-17 | Sumitomo Light Metal Ind | CHOONPAHANDA ZUKEHOHO |
| JPS5237537U (en) * | 1975-09-05 | 1977-03-16 |
-
1982
- 1982-02-23 JP JP2682782A patent/JPS58145524A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5131655A (en) * | 1974-09-11 | 1976-03-17 | Sumitomo Light Metal Ind | CHOONPAHANDA ZUKEHOHO |
| JPS5237537U (en) * | 1975-09-05 | 1977-03-16 |
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