JPS60201150A - Working control device - Google Patents
Working control deviceInfo
- Publication number
- JPS60201150A JPS60201150A JP5518284A JP5518284A JPS60201150A JP S60201150 A JPS60201150 A JP S60201150A JP 5518284 A JP5518284 A JP 5518284A JP 5518284 A JP5518284 A JP 5518284A JP S60201150 A JPS60201150 A JP S60201150A
- Authority
- JP
- Japan
- Prior art keywords
- operating rod
- rod
- operating
- casing
- control device
- 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
Landscapes
- Gear-Shifting Mechanisms (AREA)
Abstract
Description
【発明の詳細な説明】
(利用分野)
本発明は、たとえばダンプカーの荷積昇降用油圧装置a
のように、エンジンのミ、シ、ンおよび油圧ポンプ間の
動力のIll、r断」を司る動力取出手段なδ被作#部
材の操作を、操作杆の操作によって制御するようにした
作動制御装置fに関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Application) The present invention relates to a hydraulic system a for lifting and lowering a load of a dump truck, for example.
An operation control system in which the operation of a workpiece is controlled by the operation of an operating lever, which is a power extraction means that controls the disconnection of power between the engine engine and the hydraulic pump. Regarding device f.
(従来技術)
従来、かかる作動制御装置においては、たとえば操作杆
の外周に形成された溝にボールが係合され、そのボール
をスプリングで押圧するストッパ機構により位置決めを
しているが、操作杆を操作しようとすると、前記ボール
をスプリングに抗して押上げ、係合を解除する必要があ
る。(Prior art) Conventionally, in such an operation control device, a ball is engaged with a groove formed on the outer periphery of the operating rod, and positioning is performed by a stopper mechanism that presses the ball with a spring. To operate it, it is necessary to push the ball up against the spring to release the engagement.
そのため操作力が大きくなりワイヤ等を用いて押、引す
る場合、ワイヤか折損し易いという問題があった。Therefore, the operating force becomes large, and when pushing or pulling using a wire or the like, there is a problem in that the wire is likely to break.
(目 的)
本発明は、そのような事情に鑑みてなされたものであり
、被作動部材の操作をストッパ機構を用いず操作杆の操
作だけで制御するようにした作動制御装置を提供するこ
とを目的とする。(Objective) The present invention has been made in view of such circumstances, and it is an object of the present invention to provide an actuation control device that controls the operation of an actuated member only by operating an operating rod without using a stopper mechanism. With the goal.
(実施例)
以下、図面により本発明をダンプカーの荷箱昇節用油圧
装置に適用したときの一実施例について説明すると、先
ず第1図において、荷箱1を昇降するための油圧シリン
ダ2には、油圧ポンプ6からの作動油が切換弁4によっ
て切換供和され、油圧ポンプ乙には、図示しないエンジ
ンからの動力が動力取出手段5によって取出されて供給
される。(Embodiment) Hereinafter, an embodiment in which the present invention is applied to a hydraulic system for raising and lowering a cargo box of a dump truck will be explained with reference to the drawings.First, in FIG. , hydraulic oil from the hydraulic pump 6 is switched and supplied by the switching valve 4, and power from an engine (not shown) is taken out and supplied to the hydraulic pump O by a power extraction means 5.
こ1の゛ −−°動力取出手段5の作動が本発明に従う
作動制御装置6によって制御される。The operation of this power take-off means 5 is controlled by an operation control device 6 according to the present invention.
作動制御装置6のケーシング7には、動力取出軸8が回
転自在に支承されており、この動力取出軸8には摺動子
9がスプライン10を介して結合される。 またケーシ
ング7には、動力取出軸8と平行な作動杆11が軸線方
向に移動自在に支承されており、この作動杆11に螺着
されたシフトフォーク12は13iJ記摺勧子9を抱持
する。 したかって作動杆11の軸線方向の移動に応じ
て、摺動子9は動力取出軸8上を軸線方向に摺動せしめ
られる。 さらに摺動子9の軸方向一端側外周面には、
歯車16が形成されており、この歯車16と噛合し得る
歯車14がケーシング7内に配置される。A power take-off shaft 8 is rotatably supported in the casing 7 of the actuation control device 6 , and a slider 9 is coupled to the power take-off shaft 8 via a spline 10 . Further, an operating rod 11 parallel to the power take-off shaft 8 is supported in the casing 7 so as to be movable in the axial direction, and a shift fork 12 screwed onto the operating rod 11 holds a 13iJ marking plate 9. do. Therefore, as the operating rod 11 moves in the axial direction, the slider 9 is caused to slide on the power take-off shaft 8 in the axial direction. Furthermore, on the outer circumferential surface of the slider 9 on one end in the axial direction,
A gear 16 is formed, and a gear 14 that can mesh with this gear 16 is arranged within the casing 7.
この歯車14は図示しないエンジンのミッ9゜ンの出力
歯車であり、両歯車13.14が噛合することにより、
動力取出軸8に動力が伝達される。This gear 14 is a 9-degree output gear of an engine (not shown), and by meshing both gears 13 and 14,
Power is transmitted to the power take-off shaft 8.
すなわち、摺動子9は、第1図で示すように歯1庫16
が歯車14に噛合されない位置と、その位置から第1図
の左側に距離L1だけ移動して歯車16が歯車14に噛
合する位置との間で移動可能であり、シフトフォーク1
2すなわち作動杆11が作動制御装@6により、距離1
1のストロークだけ駆動制御される。That is, the slider 9 has one tooth 16 as shown in FIG.
The shift fork 1 is movable between a position where the gear 16 does not mesh with the gear 14 and a position where the gear 16 meshes with the gear 14 by moving a distance L1 to the left side in FIG. 1 from that position.
2, that is, the actuating rod 11 is controlled by the actuating control device @6 at a distance of 1.
The drive is controlled by only one stroke.
動力取出軸8のケーシング7から突出した端部には、油
圧ポンプ6の駆動軸15が連結される。A drive shaft 15 of the hydraulic pump 6 is connected to an end of the power take-off shaft 8 that protrudes from the casing 7 .
したがって動力取出手段5において、両歯車16.14
が11曲合しているときだけ、エンジンからの動力が油
圧ポンプ乙に伝達され、油圧ポンプ6が駆動される。Therefore, in the power take-off means 5, both gears 16, 14
Only when 11 are in agreement, the power from the engine is transmitted to the hydraulic pump B, and the hydraulic pump 6 is driven.
作動制御装置6は、摺動孔16を有するケーシング7と
、挿通孔17を同心に有し摺動孔16に摺動可能に挿入
される作動杆11と、挿通孔17に摺動可能に挿入され
る操作杆18と、作動杆11および操作杆18もしくは
作動杆11とケーシング7を選択的に係合し得る第1係
合手段19と、作動杆11および操作杆18もしくは作
動杆11とケーシング7を選択的に係合し得る第2係合
手段とを備える。The actuation control device 6 includes a casing 7 having a sliding hole 16, an actuating rod 11 having a concentric insertion hole 17 and slidably inserted into the sliding hole 16, and a working rod 11 slidably inserted into the insertion hole 17. a first engaging means 19 capable of selectively engaging the operating rod 11 and the operating rod 18 or the operating rod 11 and the casing 7; and the operating rod 11 and the operating rod 18 or the operating rod 11 and the casing. and a second engaging means capable of selectively engaging 7.
さらに、操作杆18から突出した端部には、連結環21
が固着されており、この連結環21にはワイヤ取付材7
aに締結されたワイヤが連結される。Furthermore, a connecting ring 21 is provided at the end protruding from the operating rod 18.
is fixed to the connecting ring 21, and a wire attachment member 7 is attached to the connecting ring 21.
The wire fastened to a is connected.
第1係合手段19は、操作杆18の中間の外周に形成さ
れた環状の保合部22と、作動杆11の途中に穿設され
た第1保合孔26と、ケーシング7における摺動孔16
の途中の内周に形成された環状の係合凹部24と、第1
球体25とから成る。The first engagement means 19 includes an annular retaining portion 22 formed on the intermediate outer periphery of the operating rod 18 , a first retaining hole 26 formed in the middle of the operating rod 11 , and a sliding portion in the casing 7 . hole 16
An annular engagement recess 24 formed on the inner periphery in the middle of the first
It consists of a sphere 25.
しかも第1球体25は、係合四部24および第1係合孔
26に同時に係合してケーシング7および作動杆11を
係合することができるととも((,1のケーシング7へ
の係合を解除し、作動杆11および操作杆18を係合す
ることができ、それら2つの係合顧、様が操作杆18の
軸線方向に沿う進退動作に応じて選択的に切換えられる
。Moreover, the first sphere 25 can simultaneously engage the four engagement parts 24 and the first engagement hole 26 to engage the casing 7 and the operating rod 11. can be released and the operating rod 11 and the operating rod 18 can be engaged, and the manner of engagement of these two can be selectively switched according to the forward and backward movement of the operating rod 18 along the axial direction.
第2係・合手段20は、操作杆18の外周に形成された
前記保合部22と、係合孔26よりも後方の作動杆11
の挿通孔17に臨む部分に穿設された第2係合孔26と
第2球体27とから成る。The second engaging/coupling means 20 includes the retaining portion 22 formed on the outer periphery of the operating rod 18 and the operating rod 11 located behind the engaging hole 26.
It consists of a second engagement hole 26 and a second sphere 27 bored in a portion facing the insertion hole 17 .
第2球体27は、保合部22後端と第2係合孔26とに
係合して操作杆18と作動杆11を係合することができ
るとともに、第2係合孔26と係合凹部24とに同時に
係合して作動杆11をケーシング7に係合することがで
き、それら2つの保合態様が操作杆18の軸線方向に沿
う進退動作に応じて切換えられる。The second sphere 27 can engage the rear end of the retaining portion 22 and the second engagement hole 26 to engage the operating rod 18 and the operating rod 11, and also engages with the second engagement hole 26. The operating rod 11 can be engaged with the casing 7 by engaging with the recess 24 at the same time, and these two engagement modes are switched according to the forward and backward movement of the operating rod 18 along the axial direction.
(動作の説明)
次に第2図〜第4図により、この実施例の作用について
説明すると、まず、動力を1断」から「接」にするには
、第2図に示す状態より操作杆18を一日羞rKノ2だ
け#劣へ刷出才へ オスシー笛1係合手段19による作
動杆11とケーシング7との係合を解除し、第6図に示
すように、第1球体25が係合f4V、22の前端に位
置するとともに、第2保合手段20において、第2球体
27が後端に位置することにより作動杆11と操作杆1
8とか係合する。 次に、操作杆18を第6図の状態か
ら第4図で示す位置まで、距離L1すなわち動力取出手
段5のストローク分だけ引出操作する。(Explanation of operation) Next, the operation of this embodiment will be explained with reference to FIGS. 18 to 1 day by 2 hours. Release the engagement between the operating rod 11 and the casing 7 by the engagement means 19 of the oscillator 1, and as shown in FIG. 6, the first sphere 25 is located at the front end of the engagement f4V, 22, and in the second locking means 20, the second sphere 27 is located at the rear end, so that the operating rod 11 and the operating rod 1
8 engages. Next, the operating rod 18 is pulled out from the state shown in FIG. 6 to the position shown in FIG. 4 by the distance L1, that is, the stroke of the power extraction means 5.
この際、操作杆18と作動杆1]とは第2保合手段20
で係合されているので、操作杆18の左動に応じて作動
杆11も左動する。 するとシフトフォーク12が距g
11.Aまたけ移動し、歯車16゜14が噛合する。At this time, the operating rod 18 and the operating rod 1] are connected to the second locking means 20.
Therefore, when the operating rod 18 moves to the left, the operating rod 11 also moves to the left. Then the shift fork 12 moves to the distance g
11. It moves across A, and gears 16 and 14 mesh.
これVこより、エンジンからの動力か油圧ポンプ乙に伝
達され、油圧ポンプ6が駆動される。From this V, power from the engine is transmitted to the hydraulic pump B, and the hydraulic pump 6 is driven.
そこで切換弁4を切換え、油圧シリンダ2を伸動制御す
れば、荷#+1は傾動あるいは倒伏することかできる。Therefore, by switching the switching valve 4 and controlling the extension movement of the hydraulic cylinder 2, the load #+1 can be tilted or laid down.
また、作1iIII+j+jの状J族に戻すには前述の
操作と逆の操作をすれはよい。Also, in order to return to the J group in the form 1iIII+j+j, it is sufficient to perform the opposite operation to the above-mentioned operation.
(効 果)
以上のように、不発明は、作動制御装設からスト、バ装
眩を不要とし、操作杆の操作のみで被作動部材を操作す
ることにより、操作力の軽減が計れ、ワイヤの耐久性の
向上か期待できる。(Effects) As described above, the invention eliminates the need for strike and glare from the operation control device, and by operating the actuated member only by operating the operating rod, the operating force can be reduced, and the wire We can expect improved durability.
なお、ストローク12分の余裕を持たせたごとにより、
従来ベルクランク等でかせいでいたストローク比率を得
ることかでき、操作杆のストロークと被作動体とのスト
ロークを必ずしも一致させる必要がなくなる。In addition, due to the allowance of 12 minutes for the stroke,
It is possible to obtain a stroke ratio that was conventionally achieved with a bell crank, etc., and it is no longer necessary to match the stroke of the operating rod and the stroke of the actuated body.
したがって、操作間隔に幅をもたせることかi」1目と
なり、被作1111J部材の「断」 「接」位置を操作
Vの操作側で明確に把握できる。Therefore, it is important to give a width to the operation interval, and the operator of operation V can clearly grasp the ``cut'' and ``contact'' positions of the workpiece 1111J.
図面は不発明の一冥施例を示すもので、第1図は要部縦
部側面図、第2図、第6図、第4図は作動制御装置の動
作状態を順次示す縦断面図である。
7・・・・ケーシング、16・・・・摺動孔、17・・
・・挿通孔、11・・・・作動杆、18・・・・操作杆
、19・・・・第1係合手段、ン0・・・・第ン係合手
段。The drawings show an embodiment of the invention, and FIG. 1 is a vertical side view of the main part, and FIGS. 2, 6, and 4 are longitudinal cross-sectional views sequentially showing the operating states of the actuation control device. be. 7...Casing, 16...Sliding hole, 17...
... Insertion hole, 11... Operating rod, 18... Operating rod, 19... First engaging means, N0... Nth engaging means.
Claims (2)
記摺動孔に摺動可能に挿入されるとともに被作動部材を
装着した作動杆と、 la記押挿通孔移動5f能に挿入され、中間に係合部を
有する操作杆と、前記作動杆をケーシングもしくは操作
杆に選択的に係合し得る第1と第2の保合手段とよりな
り、操作杆の移動により被作動部材を作動させるよう構
成したことを特徴とする作動制御装置。(1) A casing having a sliding hole, an operating rod having an insertion hole, which is slidably inserted into the sliding hole and has an actuated member attached thereto, and inserted into the push-through hole movement 5f function described in la. The operating rod has an engaging portion in the middle, and first and second retaining means that can selectively engage the operating rod with the casing or the operating rod, and the actuated member is moved by the movement of the operating rod. An operation control device characterized in that it is configured to operate.
操作杆と作動杆との係合に遊びを設けた特許請求の範囲
第1項記載の作動制御装置。(2) The operation control device according to claim 1, wherein play is provided in the engagement between the operating rod and the operating rod by the second engaging means during the initial movement of the m operating rod.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5518284A JPS60201150A (en) | 1984-03-21 | 1984-03-21 | Working control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5518284A JPS60201150A (en) | 1984-03-21 | 1984-03-21 | Working control device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS60201150A true JPS60201150A (en) | 1985-10-11 |
Family
ID=12991571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5518284A Pending JPS60201150A (en) | 1984-03-21 | 1984-03-21 | Working control device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60201150A (en) |
-
1984
- 1984-03-21 JP JP5518284A patent/JPS60201150A/en active Pending
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