JPH03112727A - Drive device for work vehicle - Google Patents
Drive device for work vehicleInfo
- Publication number
- JPH03112727A JPH03112727A JP25133889A JP25133889A JPH03112727A JP H03112727 A JPH03112727 A JP H03112727A JP 25133889 A JP25133889 A JP 25133889A JP 25133889 A JP25133889 A JP 25133889A JP H03112727 A JPH03112727 A JP H03112727A
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic pump
- engine
- work
- hydraulic
- power
- 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
- 239000000428 dust Substances 0.000 abstract description 7
- 230000010355 oscillation Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000000605 extraction Methods 0.000 description 3
- 239000000872 buffer Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007943 implant Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000001007 puffing effect Effects 0.000 description 1
Landscapes
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
Abstract
Description
【発明の詳細な説明】
（ａ）、産業上の利用分野
本発明は作業車、特に間欠的に走行停止して作業を行な
う作業体を袈装した作業車の分野で利用されるものであ
る。[Detailed Description of the Invention] (a) Industrial Application Field The present invention is used in the field of work vehicles, particularly work vehicles covered with work bodies that stop intermittently to carry out work. .
（ｂ）
（Ｃ）
従来の技術
従来の作業車、例えば塵芥車にあっては間欠的に走行停
止して、塵芥押込装置を作動させ、塵芥を収容箱に積込
むようになっており、前記塵芥押込装置の駆動源は走行
用エンジンである。すなわち、前記エンジンから動力取
出装置を介して取り出した動力にて油圧ポンプを駆動し
、その油圧ポンプにて塵芥押込装置を作動させるように
なっている。(b) (C) Prior Art Conventional work vehicles, such as garbage trucks, are designed to intermittently stop running and operate a garbage pushing device to load garbage into a storage box. The driving source for the dust pushing device is a traveling engine. That is, the hydraulic pump is driven by the power extracted from the engine via the power extraction device, and the dirt pushing device is operated by the hydraulic pump.
発明が解決しようとする課題
ところで、走行用エンジンの性能曲線は第４図実線の如
く、エンジン回転数の増加に伴なって出力も増加するよ
うになっており、般にアイドリング時の低回転（約５５
Ｏｒｐｍ）では作業時の必要動力（横点線）が得られな
いため、エンジンを高回転（約１６０Ｏｒｐｍ）させて
必要動力を発生させるようになっている。Problems to be Solved by the Invention By the way, the performance curve of a driving engine is such that the output increases as the engine speed increases, as shown by the solid line in Figure 4. Approximately 55
Since the necessary power (horizontal dotted line) during work cannot be obtained with the engine speed (approx. 160 rpm), the engine is rotated at high speed (about 160 rpm) to generate the necessary power.
ところが、エンジンを高回転させると高騒音領域（斜線
の範囲）に入るため、エンジン（ｄ）
音が騒音公害となり市街地での作業が困難であった。However, when the engine rotates at high speeds, it enters the high-noise region (shaded area), and the engine (d) noise causes noise pollution, making it difficult to work in urban areas.
また、高騒音領域から外れた低回転にて作業を行なうと
、出力が足りないために積込作業途中で塵芥押込装置が
停止してしまうという問題があった。Furthermore, if the work is carried out at low rotation speeds outside the high-noise range, there is a problem in that the garbage pushing device stops midway through the loading work due to insufficient output.
そこで、本発明は搭載されたバッテリの電力を併用して
使用することにより、エンジンを低騒音の回転数の状態
で作業体の使用が行なえるようにした作業車の駆動装置
を提供するものである。Therefore, the present invention provides a drive device for a working vehicle that uses the electric power of the installed battery in combination, so that the working body can be used while the engine is running at low engine speed. be.
課題を解決するための手段
本発明は間欠的に走行停止して作業を行なう作業体を袈
装した作業車において、前記作業体を駆動させる第１油
圧ポンプと第２油圧ポンプとを設け、前記第１油圧ポン
プは走行用エンジンから動力取出装置にて取り出された
動力にて駆動させ、第２油圧ポンプはバッテリによる電
動モータの動力にて作業体作動時に駆動させることを特
徴とするものであ（ｅ）
（ｆ）
る。Means for Solving the Problems The present invention provides a work vehicle equipped with a work body that travels and stops intermittently to carry out work, which is provided with a first hydraulic pump and a second hydraulic pump for driving the work body, The first hydraulic pump is driven by the power extracted from the traveling engine by a power extraction device, and the second hydraulic pump is driven by the power of an electric motor powered by a battery when the work body is operated. (e) (f) Ru.
作用
作業車を走行させる場合にはエンジンを始動させ、車輪
を回転させて走行する０作業体を使用する場合には動力
取出装置にて取り出したエンジンの動力にて第１油圧ポ
ンプを駆動し、バッテリによる電動モータの動力にて第
２油圧ポンプを駆動し、前記両ポンプの油圧を合わせて
作業体の必要動力を発生させ、それにより作業体を作動
させる。When running the work vehicle, start the engine, and when using a zero work body that travels by rotating wheels, drive the first hydraulic pump with the power of the engine extracted by the power extraction device, The second hydraulic pump is driven by the power of the electric motor from the battery, and the hydraulic pressures of both pumps are combined to generate the necessary power for the work body, thereby operating the work body.
実施例
以下、本発明を塵芥車に実施した場合の具体例を図面に
て説明する。（１）は車体（２）上に傾動可撤に搭載さ
れた収容箱で、該収容箱（１）の後方にパフ力（３）が
上方回動可能に連接されている。EXAMPLE Hereinafter, a specific example in which the present invention is applied to a garbage truck will be explained with reference to the drawings. (1) is a storage box that is tiltably and removably mounted on the vehicle body (2), and a puff force (3) is connected to the rear of the storage box (1) so as to be able to rotate upward.
前記パフ力（３）内には揺動板（４）と回転板（５）と
から成る塵芥押込装置（６）を設け、前記揺動板（０は
シリンダ（７）にて、回転板（５）は油圧モータ（８）
にて回転されるようになっている。A dust pushing device (6) consisting of a rocking plate (4) and a rotating plate (5) is provided in the puffing force (3), and the rocking plate (0 is a cylinder (7)), and the rotating plate (0) is a cylinder (7). 5) is a hydraulic motor (8)
It is designed to be rotated by .
（９）は走行用エンジンで、該エンジン（９）にトラン
スミッション（１０）が連接され、トランスミッション
（１０）から延びたドライブシャツ） （１１）にて車
輪（１２）を回転させるようになっている。(9) is a driving engine, a transmission (10) is connected to the engine (9), and a drive shirt (11) extending from the transmission (10) rotates the wheels (12). .
また、トランスミッション（ｌＯ）には、動力取出装置
（１３）が取付けられ、当該動力取出袋’ＩＩ （１３
）にてエンジン（９）の動力を取り出すことができるよ
うになっている。Further, a power take-off device (13) is attached to the transmission (lO), and the power take-off bag 'II (13) is attached to the transmission (lO).
), the power of the engine (9) can be extracted.
前記動力取出装ｆｌ（１３）は運転室（１４）に設けた
レバー（１５）にて断接されるようになっている。The power take-off device fl (13) is connected and disconnected by a lever (15) provided in the driver's cab (14).
（１Ｂ）はエンジン（９）を始動させるためのバッテリ
で、該バッテリ（ＩＢ）はエンジン（９）始動後充電さ
れるようになっている。(1B) is a battery for starting the engine (9), and the battery (IB) is charged after the engine (9) is started.
第２図は塵芥押込装置の油圧回路図で、第１油圧ポンプ
（１７）と第２油圧ポンプ（１Ｂ）とを並列に設け２両
ポンプ（１７）（１８）の流路（１９）を途中で合流さ
せである。前記流路（１９）は第１切換弁（２０）を介
してシリンダ（７）に、第２切換弁（２１）を介して油
圧モータ（８）に連通されている。Figure 2 is a hydraulic circuit diagram of the garbage pushing device, in which the first hydraulic pump (17) and the second hydraulic pump (1B) are installed in parallel, and the flow path (19) of the two pumps (17) and (18) is connected in the middle. Let's meet up. The flow path (19) is communicated with the cylinder (7) via a first switching valve (20) and with the hydraulic motor (8) via a second switching valve (21).
（２２）（２２）は各ポンプ（１７）（１８）の流路（
１９）に設けたチエツク弁である。(22) (22) are the flow paths (
19).
前記第１油圧ポンプ（１７）はエンジン（８）の動力に
て駆動される。前記第２油圧ポンプ（１８）はバッテリ
（ｌＯ）に接続された電動モータ（２３）にて駆動され
るようになっている。The first hydraulic pump (17) is driven by the power of the engine (8). The second hydraulic pump (18) is driven by an electric motor (23) connected to a battery (IO).
第３図は電気回路図で、バッテリ（１Ｂ）からメインス
イッチ（２４）と切換スイッチ（２５）とが直列に設け
られ、前記切換スイッチ（２５）は植込回路（２Ｂ）ま
たは排出回路（２７）に切換操作できるようになってい
る。FIG. 3 is an electrical circuit diagram in which a main switch (24) and a changeover switch (25) are provided in series from the battery (1B), and the changeover switch (25) is connected to the implanted circuit (2B) or the discharge circuit (27). ).
前記積込回路（２Ｂ）には積込制御装Ｍ （２８）と電
動モータ（２３）が並列に設けられ、前記植込制御装置
（２８）は回転板（５）を第１図時計回りに回転させて
実線位置で停止させ、その状態で揺動板（４）を実線位
置まで揺動させ、その後再び回転板（５）を回転させる
ように制御するものである。The loading circuit (2B) is provided with a loading control device M (28) and an electric motor (23) in parallel, and the implanting control device (28) rotates the rotating plate (5) clockwise in FIG. The control is such that the rotating plate (4) is rotated and stopped at the solid line position, the rocking plate (4) is swung to the solid line position in this state, and then the rotary plate (5) is rotated again.
前記排出回路（２７）には排出制御装置（２Ｓ）が設け
られ、前記排出制御装置（２９）はパフカ（３）を上方
回動させた後、収容箱（１）をダンプさせて当該収容箱
（１）内の塵芥を排出できるようになっている。尚、実
施例は塵芥車にて説明したが、床面をコンベア状にした
貨物車や簡易クレーンを装備した貨物車などのように、
間欠的に走行停止して作業を行なう作業体を搭載した車
両であれば同様の作用効果を有するものである。またバ
ッテリは別個に搭載したバッテリを使用することも可能
である。The discharge circuit (27) is provided with a discharge control device (2S), and the discharge control device (29) rotates the puffer bag (3) upward, then dumps the storage box (1) and dumps the storage box. (1) The dust inside can be discharged. Although the example was explained using a garbage truck, it can also be applied to a freight truck with a conveyor-shaped floor or a freight truck equipped with a simple crane.
A vehicle equipped with a work body that stops intermittently to carry out work will have similar effects. It is also possible to use a separately mounted battery.
本発明は前記の如き構成で次に作用について説明すると
、まず走行時においてはバッテリ（１６）の電力を使用
してエンジン（８）を始動させ、トランスミッション（
ｌＯ）を介してドライブシャフト（１１）を回転させる
ことにより走行することができる。その際、積込作業は
行なわないので、動力取出装置（１３）は「断」になっ
ている、また、バッテリ（１６）はエンジン（８）始動
時に放電されるが、その後は充電される。The present invention has the above-mentioned configuration. Next, the operation will be explained. First, when driving, the engine (8) is started using the electric power of the battery (16), and the transmission (
The vehicle can run by rotating the drive shaft (11) via the motor. At that time, since no loading work is performed, the power take-off device (13) is turned off, and the battery (16) is discharged when the engine (8) is started, but is then charged.
次に作業を行なう場合には、塵芥植込場所まで走行して
停止し、エンジン（９）をアイドリング状態のままにし
ておく、その後、レバー（１５）操作にて動力取出装置
（１３）を「接」にして第１油圧ポンプ（１７）を作動
させる。その状態でメインスイッチ（２４）を「接」に
するとともに、切換スイッチ（２５）を植込回路（２６
）側に切換える。但し、メインスイッチ（２４）をエン
ジンキースイッチに連動させている場合にはすでに「接
」になっているので上記操作は不要である。When carrying out the next work, drive to the garbage planting place and stop, leave the engine (9) in the idling state, and then turn the power take-off device (13) on by operating the lever (15). "on" to operate the first hydraulic pump (17). In this state, turn on the main switch (24) and turn the selector switch (25) on the implanted circuit (26).
) side. However, if the main switch (24) is linked to the engine key switch, the above operation is not necessary since it is already "closed".
前記切換スイッチ（２５）の操作にて電動モータ（２３
）に通電し、第２油圧ポンプ（１８）が作動して、両ポ
ンプ（１７）（１８）からの圧油が流路（１８）を通る
。The electric motor (23) is operated by operating the changeover switch (25).
) is energized, the second hydraulic pump (18) operates, and pressure oil from both pumps (17) and (18) passes through the flow path (18).
それと同時に植込制御装置（２８）にも通電し、両切換
弁（２０）（２１）が制御され、塵芥押込装置（６）が
作動されてパフカ（３）に投入された塵芥が収容箱（１
）に積込まれる。At the same time, the implant control device (28) is also energized, both the switching valves (20) and (21) are controlled, the garbage pushing device (6) is activated, and the garbage thrown into the puffer (3) is transferred to the storage box. 1
).
ところで、上記作業中はエンジン回転数をアイドリング
状態の低回転にしているので低騒音であり、作業のため
に必要な動力の不足分（第４図Ａ）は電動モータ（２３
）にて補充できるので塵芥押込装置（６）は停止しない
、また、上記作業時間は短時間（約２〜３分）なので、
バッテリ（１８）の放電量も少なく、空になることはな
い。By the way, during the above work, the engine speed is kept low in idling state, so there is low noise.
), so the garbage pushing device (6) does not stop, and the above operation time is short (about 2 to 3 minutes).
The amount of discharge of the battery (18) is also small and will never become empty.
前記作業が終了すると、切換スイッチ（２５）を中立位
置に戻し、動力取出装置（１３）を「断」にし、両ポン
プ（１７）（１８）を停止させた後、次の積込場所まで
移動する。その際、バッテリ（１６）は充電されるので
放電量を補充することができる。When the above work is completed, return the changeover switch (25) to the neutral position, turn off the power take-off device (13), stop both pumps (17) and (18), and move to the next loading location. do. At this time, since the battery (16) is charged, the discharged amount can be replenished.
上記作業を繰り返し行なうことにより、収容箱（１）が
満杯になると、廃棄場所まで走行した後、動力取出装置
（１３）を「接」にし、切換スイッチ（２５）を排出回
路（２７）側に切換え（ｇ）
る、それにより排出制御装置（２９）に通電され、バッ
カ（３）が上方回動じ、収容箱（１）がダンプして塵芥
が排出される。By repeating the above operations, when the storage box (1) becomes full, the vehicle travels to the disposal site, then the power take-off device (13) is turned on and the changeover switch (25) is set to the discharge circuit (27) side. Switching (g) causes the discharge control device (29) to be energized, the backer (3) is rotated upward, the storage box (1) is dumped, and the garbage is discharged.
発明の効果
以上の如く、本発明は作業体の作動時に走行用エンジン
にて第１油圧ポンプを駆動するとともにバッテリによる
電動モータにて第２油圧ポンプを駆動し、両ポンプの圧
油により作業体を作動させるようにしたので、エンジン
回転数が低回転でも作業体に必要な動力を得ることがで
き、低騒音にて作業を行なうことができる。Effects of the Invention As described above, the present invention uses a traveling engine to drive the first hydraulic pump when the work body is operated, and a battery-powered electric motor to drive the second hydraulic pump, and uses the pressure oil of both pumps to drive the work body. Since the engine is operated, the necessary power for the work body can be obtained even when the engine speed is low, and the work can be performed with low noise.
第１図は塵芥車に実施した場合の全体図、第２図は油圧
回路図、第３図は電気回路図、第４図はエンジン性能曲
線図である。（２）は車体、（６）は塵芥押込装置、（
９）はエンジン、（１３）は動力取出装置、（１６）は
バッテリ、（１７）は第１油圧ポンプ、（１８）は第２
油圧ボンプ、
（２３）は電動モータ。Fig. 1 is an overall diagram of the case when it is applied to a garbage truck, Fig. 2 is a hydraulic circuit diagram, Fig. 3 is an electric circuit diagram, and Fig. 4 is an engine performance curve diagram. (2) is the vehicle body, (6) is the garbage pushing device, (
9) is the engine, (13) is the power take-off device, (16) is the battery, (17) is the first hydraulic pump, and (18) is the second hydraulic pump.
Hydraulic pump, (23) is electric motor.
Claims (1)
業車において、前記作業体を駆動させる第１油圧ポンプ
と第２油圧ポンプとを設け、前記第１油圧ポンプは走行
用エンジンから動力取出装置にて取り出された動力にて
駆動させ、第２油圧ポンプはバッテリによる電動モータ
の動力にて作業体作動時に駆動させることを特徴とする
作業車の駆動装置。A working vehicle equipped with a working body that travels and stops intermittently to perform work is provided with a first hydraulic pump and a second hydraulic pump that drive the working body, and the first hydraulic pump receives power from a traveling engine. 1. A driving device for a work vehicle, characterized in that the second hydraulic pump is driven by power taken out by a take-out device, and the second hydraulic pump is driven by power from an electric motor powered by a battery when the work body is operated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1251338A JPH0635263B2 (en) | 1989-09-27 | 1989-09-27 | Work vehicle drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1251338A JPH0635263B2 (en) | 1989-09-27 | 1989-09-27 | Work vehicle drive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03112727A true JPH03112727A (en) | 1991-05-14 |
| JPH0635263B2 JPH0635263B2 (en) | 1994-05-11 |
Family
ID=17221340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1251338A Expired - Fee Related JPH0635263B2 (en) | 1989-09-27 | 1989-09-27 | Work vehicle drive |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0635263B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5619848A (en) * | 1995-08-09 | 1997-04-15 | Prospin Industries, Inc. | Method and apparatus for automatically removing an imperfection from spun filament yarn and staple fibers |
| DE102010060895A1 (en) | 2009-12-11 | 2011-07-14 | Fuji Jukogyo Kabushiki Kaisha | Vehicle with working platform |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58116459U (en) * | 1982-02-04 | 1983-08-09 | 日産自動車株式会社 | Negative pressure generator for operating negative pressure operating equipment for automobiles |
| JPS6225529A (en) * | 1985-07-26 | 1987-02-03 | Toshiba Corp | Diagnostic method for duplicated transmission line |
-
1989
- 1989-09-27 JP JP1251338A patent/JPH0635263B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58116459U (en) * | 1982-02-04 | 1983-08-09 | 日産自動車株式会社 | Negative pressure generator for operating negative pressure operating equipment for automobiles |
| JPS6225529A (en) * | 1985-07-26 | 1987-02-03 | Toshiba Corp | Diagnostic method for duplicated transmission line |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5619848A (en) * | 1995-08-09 | 1997-04-15 | Prospin Industries, Inc. | Method and apparatus for automatically removing an imperfection from spun filament yarn and staple fibers |
| DE102010060895A1 (en) | 2009-12-11 | 2011-07-14 | Fuji Jukogyo Kabushiki Kaisha | Vehicle with working platform |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0635263B2 (en) | 1994-05-11 |
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