JPS5967120A - Running driving device for industrial vehicle - Google Patents
Running driving device for industrial vehicleInfo
- Publication number
- JPS5967120A JPS5967120A JP17499082A JP17499082A JPS5967120A JP S5967120 A JPS5967120 A JP S5967120A JP 17499082 A JP17499082 A JP 17499082A JP 17499082 A JP17499082 A JP 17499082A JP S5967120 A JPS5967120 A JP S5967120A
- Authority
- JP
- Japan
- Prior art keywords
- transmission
- hydraulic
- hydraulic motor
- change
- over valve
- 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
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/10—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of fluid gearing
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Motor Power Transmission Devices (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
Abstract
Description
【発明の詳細な説明】
この発明は、原動機番こ主クラッチを介して連結したト
ランスミッションをそなえた産業車両の走行駆動装置に
関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a traveling drive system for an industrial vehicle, which is equipped with a transmission connected to a prime mover via a main clutch.
つぎに、建設機械の従来の走行駆動装置の一例を第1図
により説明する。Next, an example of a conventional traveling drive device for construction machinery will be explained with reference to FIG.
エンジンlの出力軸は、ペダル4で操作する主クラッチ
2を介してトランスミッション3の入力がわに連結され
ており、トランスミッション3の出力かわば駆動tiv
ll 61こ連結されている。駆動軸5は車輪7をそな
えた車軸に連結されている、トランスミッション3の高
低速およrg前後進の切替えは、固定板に設けたH形の
案内溝14に沿って揺動させるミッションレバー5によ
り行うよ・)になっている。The output shaft of the engine 1 is connected to the input of a transmission 3 via a main clutch 2 operated by a pedal 4.
ll 61 pieces are connected. The drive shaft 5 is connected to an axle equipped with wheels 7. Switching of the transmission 3 between high and low speeds and RG forward and backward movement is performed by a mission lever 5 that swings along an H-shaped guide groove 14 provided on a fixed plate. It is done according to ・).
建設機械のような特殊用途の機械では、超低速が要求さ
れる。しかし、一般にトラックなどに多く使用されてい
るトランスミッションは、低速ギヤでも最高速度の1/
、o程度の速度が出てしまう構造1こなっている。さら
に低速が必要な場合は、運転員はクラッチをすべらずこ
とで対処するが、その操作はむずかしい上に、クラッヂ
盤を非常lこ損傷する。Special-purpose machines such as construction machines require extremely low speeds. However, the transmissions commonly used in trucks and other vehicles generally operate at 1/1/2 of the maximum speed even in low gears.
, a structure 1 that achieves speeds of about o. If a lower speed is required, the operator can avoid slipping the clutch, but this operation is difficult and can seriously damage the clutch disc.
クラッチ操作による走行駆動装置は、効率は甑劣
いが操作性が禽り、油圧式の走行駆動装置は操作性は良
いが効率が劣る。Clutch-operated travel drive devices have poor efficiency but poor operability, and hydraulic travel drive devices have good operability but are poor in efficiency.
この発明は、前記両駆動装置の特長をそなえた走行駆動
装置を提供することを目的とするものである。The object of the present invention is to provide a traveling drive device that has the features of both of the above-mentioned drive devices.
4゜
この発明ζま、上記の目的を達するためのもので、原動
機に主クラッチを介して連結したトランスミッションを
そなえた産業車両の走行駆動装置において、トランスミ
ッションPTO部)こ、トランスミッション以降の動力
系を駆動する油圧モータをP ’r Oクラッチを介し
て連結し、原動機に連動する油圧ポンプの吐出がわと前
記油圧モータとを連結する油圧回路に、油圧モータの回
転を制御する切替弁を設けたことを特徴とする。4゜This invention ζ is aimed at achieving the above-mentioned object, and in a traveling drive system for an industrial vehicle equipped with a transmission connected to a prime mover via a main clutch, the present invention (transmission PTO section) is intended to improve the power system after the transmission. A hydraulic motor to be driven is connected via a P'rO clutch, and a switching valve for controlling rotation of the hydraulic motor is provided in a hydraulic circuit that connects the discharge side of a hydraulic pump interlocked with the prime mover and the hydraulic motor. It is characterized by
以下、この発明の一実施態様を第2図番こより説明する
。同図において、第1図と同じ符号をつけたものは同じ
ものを表わす。Hereinafter, one embodiment of the present invention will be explained with reference to FIG. 2. In this figure, the same reference numerals as in FIG. 1 represent the same parts.
エンジン1の出力がわと主りランチ2との間にはエンジ
ンlに連動する歯車群8が設けられており、歯車群8は
油圧ポンプ9の入力軸1こ連結されている。A gear group 8 interlocked with the engine 1 is provided between the output arm of the engine 1 and the main launch 2, and the gear group 8 is connected to an input shaft of a hydraulic pump 9.
油圧ポンプ9の吸込管15は油タンク16に接続されて
おり、吐出管17はリリーフ弁18を介して油タンク1
6)こ接続されている。リリーフ弁1−8の前流がわに
おける吐出管17部1こは配管19が連結されており、
その配管19は切替弁13の中立位置1こおける中心油
路を介して油タンク16に接続されている。切替弁13
の作動ポートは配管20A、20Bを介して油圧モータ
101こ連結されている。A suction pipe 15 of the hydraulic pump 9 is connected to an oil tank 16, and a discharge pipe 17 is connected to the oil tank 1 via a relief valve 18.
6) This is connected. A pipe 19 is connected to the discharge pipe 17 section 1 on the upstream side of the relief valve 1-8,
The piping 19 is connected to the oil tank 16 via a central oil passage located one neutral position of the switching valve 13. Switching valve 13
The operating port is connected to the hydraulic motor 101 via pipes 20A and 20B.
油圧モータ10の出力軸はクラッチ1ツバ−21により
操作するPTOクラツヂ12を介してトランスミ・ノシ
ョン3のPTO部1部面1結されている。The output shaft of the hydraulic motor 10 is connected to a PTO portion 1 of the transmission notation 3 via a PTO clutch 12 operated by a clutch 1 collar 21.
配管20A、20Bにそれぞれ一端を連結し、他端を切
替弁13の後流がわにおける配管19部1こ連結した配
管22A、22Bには、それぞれ配管19がわへの油の
流れを阻止する逆止め弁23A、23Bが取付けられて
いる。Pipes 22A and 22B each have one end connected to the piping 20A and 20B, and the other end connected to the piping 19 part 1 on the downstream side of the switching valve 13, to prevent oil from flowing to the piping 19. Check valves 23A and 23B are attached.
エンジンlを駆動すると、歯車群8を介して油圧ポンプ
9が回転させられ、この油圧ポンプ9が油圧駆動時の油
圧源となる。油圧ポンプ9の吐出油は、切替弁13の中
立位置では、吐出管17、配管19、切替弁13を経て
油タンク16に戻る直接駆動時1こは、第1図に示す従
来の走行駆動装置吉日様tこ、トランスミ・ンション3
の歯車の切替えと主クラッチ2の操作とにより駆動され
る。When the engine 1 is driven, a hydraulic pump 9 is rotated via a gear group 8, and this hydraulic pump 9 serves as a hydraulic pressure source during hydraulic drive. When the oil discharged from the hydraulic pump 9 is in the neutral position of the switching valve 13, it returns to the oil tank 16 through the discharge pipe 17, piping 19, and the switching valve 13.In the case of direct drive, the oil discharged from the hydraulic pump 9 returns to the oil tank 16 through the discharge pipe 17, piping 19, and the switching valve 13. Yoshihichi-sama tko, Transmission 3
It is driven by switching gears and operating the main clutch 2.
油圧駆動はつぎのようにして行われる。ペタル4を介し
て主クラッチ2を切り、クラ・ンチレ/<−21を介し
てP T Oクラッチ12を入れた後、切替弁13を作
動位置に切替える。その切替え1こより、油圧ポンプ9
からの吐出油は、配管20A1または20 T3を経て
油圧モータ10に供給され、油圧モータ10を回転させ
る。したがって、トランスミッション3の歯車群が回転
させられる。油圧モータ10の回転速度は、切替弁13
の開度の調整で制御される。したがって、トランスミッ
ション3の歯車群が低速の状態で切替弁13を制御すれ
ば、速度零までの超低速が自由に得られる。Hydraulic drive is performed as follows. After the main clutch 2 is disengaged via the pedal 4 and the PTO clutch 12 is engaged via the crankshaft/<-21, the switching valve 13 is switched to the operating position. From the switching 1, the hydraulic pump 9
The oil discharged from the hydraulic motor 10 is supplied to the hydraulic motor 10 through the pipe 20A1 or 20T3, and rotates the hydraulic motor 10. Therefore, the gear group of the transmission 3 is rotated. The rotational speed of the hydraulic motor 10 is determined by the switching valve 13.
It is controlled by adjusting the opening degree. Therefore, if the switching valve 13 is controlled while the gear group of the transmission 3 is at a low speed, an extremely low speed down to zero speed can be freely obtained.
トランスミッション3の切替えおよび切替弁13の正逆
の切替えにより、前進、後進を任意に行うことができる
。By switching the transmission 3 and switching the switching valve 13 between forward and reverse directions, the vehicle can move forward or backward as desired.
以上説明したこの発明シこよれば下記の効果が得られる
。According to the invention described above, the following effects can be obtained.
(1)高速走行時1こは、直接駆動で高効率の運転を行
うことができ、低速走行時Iこは油圧駆動で速度零まで
の超低速運転を行うことができる。(1) When traveling at high speeds, direct drive allows for highly efficient operation, and when traveling at low speeds, hydraulic drive allows for ultra-low speed operation down to zero.
(2)1−ランスミッションおよび油圧モータの切替弁
を逆に切替えるだけで後進をさせることができる。(2) Reverse movement can be achieved by simply switching the 1-transmission and hydraulic motor switching valves in the opposite direction.
(3)クラッチ盤の損傷を軽減し、整備費、整備時間を
節約できる。(3) Damage to the clutch disk can be reduced and maintenance costs and time can be saved.
図、第2図(まこの発明の一実施態様を示す系統図であ
る。FIG. 2 is a system diagram showing one embodiment of the present invention.
■@・エンジン、 2・・クラッチ、3・・トラン
スミッション、 4・・ペダル、5・・ミッション
レバー、 6・・駆動軸、7・・車輪、 8・・歯
車群、 9・・油圧ポンプ、 10囃・油圧モ
ータ、
11・嗜PTO部、 12・・ PTOクラッチ13
・・切替弁、 16・・油タンク、1711・吐出
管、 19・・配管、20A、20B@−配管、
21−−々う・ソチレバー、 22A、2213譬・
配管、23A、23B@嗜逆市め弁■@・Engine, 2..Clutch, 3..Transmission, 4..Pedal, 5..Mission lever, 6..Drive shaft, 7..Wheels, 8..Gear group, 9..Hydraulic pump, 10. Hydraulic motor, 11. PTO section, 12. PTO clutch 13
...Switching valve, 16..Oil tank, 1711.Discharge pipe, 19..Piping, 20A, 20B@-piping,
21--Sotilever, 22A, 2213 parable.
Piping, 23A, 23B @ Kusakaichi Meben
Claims (1)
ンをそなえた産業車両の走行駆動装置において、トラン
スミッションPTO部に、トランスミッション以降の動
力系を駆動する油圧モータをPTOクラッチを介して連
結し、原動機に連動する油圧ポンプの吐出がわと前記油
圧モータとを連結する油圧回路に、油圧モータの回転を
制御する切替弁を設けたことを特徴とする走行駆動装置In a travel drive system for an industrial vehicle that is equipped with a transmission connected to the prime mover via a main clutch, a hydraulic motor that drives the power system after the transmission is connected to the transmission PTO section via the PTO clutch, and the hydraulic motor that is linked to the prime mover is connected to the transmission PTO section via the PTO clutch. A traveling drive device, characterized in that a hydraulic circuit connecting a discharge arm of a pump and the hydraulic motor is provided with a switching valve for controlling rotation of the hydraulic motor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17499082A JPS5967120A (en) | 1982-10-05 | 1982-10-05 | Running driving device for industrial vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17499082A JPS5967120A (en) | 1982-10-05 | 1982-10-05 | Running driving device for industrial vehicle |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5967120A true JPS5967120A (en) | 1984-04-16 |
Family
ID=15988284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17499082A Pending JPS5967120A (en) | 1982-10-05 | 1982-10-05 | Running driving device for industrial vehicle |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5967120A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62139817U (en) * | 1986-02-28 | 1987-09-03 | ||
EP0353698A2 (en) * | 1988-08-03 | 1990-02-07 | Deere & Company | Drive unit for motor vehicles |
DE10251939A1 (en) * | 2002-11-08 | 2004-05-19 | Zf Friedrichshafen Ag | Producing low speed in motor vehicle involves slowly increasing torque and hence causing vehicle to creep if starting gear selected, clutch disengaged, brake system and gas pedal not being operated |
GB2475050A (en) * | 2009-11-03 | 2011-05-11 | Agco Sa | Tractor |
KR101963837B1 (en) * | 2017-12-19 | 2019-07-31 | 금아파워텍주식회사 | Hydraulic Hybrid Transmission with Hydraulic Motor and Torque Converter in Transmission |
-
1982
- 1982-10-05 JP JP17499082A patent/JPS5967120A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62139817U (en) * | 1986-02-28 | 1987-09-03 | ||
EP0353698A2 (en) * | 1988-08-03 | 1990-02-07 | Deere & Company | Drive unit for motor vehicles |
DE10251939A1 (en) * | 2002-11-08 | 2004-05-19 | Zf Friedrichshafen Ag | Producing low speed in motor vehicle involves slowly increasing torque and hence causing vehicle to creep if starting gear selected, clutch disengaged, brake system and gas pedal not being operated |
GB2475050A (en) * | 2009-11-03 | 2011-05-11 | Agco Sa | Tractor |
US8924093B2 (en) | 2009-11-03 | 2014-12-30 | Agco Sa | Power take off for tractor |
KR101963837B1 (en) * | 2017-12-19 | 2019-07-31 | 금아파워텍주식회사 | Hydraulic Hybrid Transmission with Hydraulic Motor and Torque Converter in Transmission |
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