JPS5825128Y2 - Yuatsu Kairono Abura Kokansouchi - Google Patents
Yuatsu Kairono Abura KokansouchiInfo
- Publication number
- JPS5825128Y2 JPS5825128Y2 JP1975132037U JP13203775U JPS5825128Y2 JP S5825128 Y2 JPS5825128 Y2 JP S5825128Y2 JP 1975132037 U JP1975132037 U JP 1975132037U JP 13203775 U JP13203775 U JP 13203775U JP S5825128 Y2 JPS5825128 Y2 JP S5825128Y2
- Authority
- JP
- Japan
- Prior art keywords
- oil
- hydraulic
- chamber
- tank
- 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.)
- Expired
Links
Landscapes
- Fluid-Pressure Circuits (AREA)
Description
【考案の詳細な説明】
この考案は、油圧回路中の油圧シリンダおよびその配管
の各内部を流通する作動油のとり換えを、完全かつ簡便
に行なえるように構成した油圧回路の油交換装置に関す
る。[Detailed description of the invention] This invention relates to an oil exchange device for a hydraulic circuit that is configured to completely and easily replace the hydraulic oil flowing through each hydraulic cylinder and its piping in the hydraulic circuit. .
水門等のゲートを開閉制御する油圧装置あるいはその他
の油圧動力装置には、油圧シリンダが多く採用されてい
る。Hydraulic cylinders are often used in hydraulic devices that control the opening and closing of gates such as water gates, or other hydraulic power devices.
このような油圧シリンダは、その作動油の経年劣化によ
ってピストン機能を低下させ、また、劣化した作動油は
、油圧シリンダやその配管に酸化等の悪影響を与える。In such a hydraulic cylinder, the piston function deteriorates due to age-related deterioration of the hydraulic oil, and the deteriorated hydraulic oil has an adverse effect such as oxidation on the hydraulic cylinder and its piping.
このため、作動油は数年ごとに新しいものととり換える
ことが望ましい。For this reason, it is desirable to replace the hydraulic fluid with a new one every few years.
しかし、主タンク内の作動油はともかく、油圧シリンダ
内および配管内に存在する作動油を、完全かつ簡便にと
り換えることは至難である。However, apart from the hydraulic oil in the main tank, it is extremely difficult to completely and easily replace the hydraulic oil present in the hydraulic cylinders and piping.
この考案は、前述のような従来の不都合を除去するため
になされたもので、油内シリンダ内および配管内に存在
する作動油の交換を、完全かつ簡便に行なえるのみなら
ず、シリンダ内および配管内に不本意に存在している空
気をも完全に排除できるようにすることを目的としてい
る。This idea was made in order to eliminate the conventional inconveniences mentioned above, and it not only makes it possible to completely and easily replace the hydraulic oil present in the cylinder and piping, but also The purpose is to completely eliminate air that is inadvertently present in the pipes.
この考案の油圧回路の油交換装置は、主タンク５内の作
動油をくみ上げるポンプ４と油圧シリンダ１４との間の
配管中に、前記作動油を前記油圧シリンダ１４の第１の
室１５および第２の室１６のいずれか一方へ選択的に導
きかつ前記第２の室１６および第１の室１５の作動油を
前記主タンク５に戻す切換弁１を設け、前記第１の室１
５および第２の室１６に、それぞれストップ弁２８゜２
９を介して空気圧搾機３２にいたる経路を設けるととも
に、前記第１の室１５および第２の室１６に、それぞれ
他のストップ弁３３，３４を介して廃油タンク３５にい
たる経路を設け、さらに、前記主タンク５から前記ポン
プ４およびストップ弁３６を通じて廃油タンク３８にい
たる排油排出経路を設けるとともに、新油タンク４４か
ら他のストップ弁４０．４１および前記ポンプ４を通じ
て前記主タンク５にいたる新油供給経路を設けて構成さ
れている。The oil exchange device for a hydraulic circuit of this invention supplies the hydraulic oil to the first chamber 15 of the hydraulic cylinder 14 and the first chamber 15 of the hydraulic cylinder 14 in the piping between the pump 4 that pumps the hydraulic oil in the main tank 5 and the hydraulic cylinder 14. A switching valve 1 is provided that selectively guides the hydraulic oil in the second chamber 16 and the first chamber 15 to either one of the two chambers 16 and returns the hydraulic oil in the second chamber 16 and the first chamber 15 to the main tank 5.
5 and the second chamber 16 each have a stop valve 28°2.
A path is provided in the first chamber 15 and the second chamber 16 to reach the waste oil tank 35 through other stop valves 33 and 34, respectively. , a drain oil discharge path is provided from the main tank 5 to the waste oil tank 38 through the pump 4 and the stop valve 36, and from the new oil tank 44 to the main tank 5 through another stop valve 40, 41 and the pump 4. It is configured with a new oil supply route.
つぎに、この考案の油交換装置を、ゲート開閉制御機に
適用した場合の実施例につき、図面とともに詳細に説明
する。Next, an embodiment in which the oil exchange device of this invention is applied to a gate opening/closing control machine will be described in detail with reference to the drawings.
図面において、切換弁１の励磁巻線２に付勢電流を通じ
、かつ、電動機３によってポンプ４を回転させると、主
タンク５内の作動油は、油ろ過器６を通じてくみ上げら
れ、これは弁７，８、切換弁１、弁９，１０，１１，１
２および弁１３を通じて、油圧シリンダ１４の第１の室
１５内へ送り込まれる。In the drawing, when an energizing current is passed through the excitation winding 2 of the switching valve 1 and the pump 4 is rotated by the electric motor 3, the hydraulic oil in the main tank 5 is pumped up through the oil filter 6, which is passed through the valve 7. , 8, switching valve 1, valve 9, 10, 11, 1
2 and the valve 13 into the first chamber 15 of the hydraulic cylinder 14 .
そして、第２の室１６内□ｂｆｆｉ作動油は、弁１７，
１８、切換弁１および弁１９を通じて主タンク５内へ戻
され、油圧シリンダ１４のピストン桿２０に結合されて
いる図外のゲートが開く。Then, the □bffi hydraulic oil in the second chamber 16 is supplied to the valve 17,
18, the water is returned to the main tank 5 through the switching valve 1 and the valve 19, and a gate (not shown) connected to the piston rod 20 of the hydraulic cylinder 14 opens.
また、切換弁１の励磁巻線２１に付勢電流を通じたとき
は、ポンプ４によってくみ上げられた作動油は、弁７，
８、切換弁１、弁２２，２３および弁１７を通ずて、油
圧シリンダ１４の第２室１６内へ送り込まれ、第１の室
１５内にあった作動油は、弁１３，１２，２５，１０，
２６、切換弁１および弁１９を通じて主タンク５内へ戻
される。Further, when an energizing current is passed through the excitation winding 21 of the switching valve 1, the hydraulic oil pumped up by the pump 4 is transferred to the valve 7,
8. The hydraulic oil that was in the first chamber 15 is sent into the second chamber 16 of the hydraulic cylinder 14 through the switching valve 1, valves 22, 23, and valve 17, and the hydraulic oil that was in the first chamber 15 is ,10,
26, and is returned into the main tank 5 through the switching valve 1 and the valve 19.
これによって、ピストン桿２０が移動し、前記ゲートが
閉じることになる。This causes the piston rod 20 to move and close the gate.
ただし、前記ゲートをその自重で閉止させる場合には、
ポンプ４による油圧を要せず、ストップ弁２４を開いて
第１の室１５内の作動油を弁１３，２４，２５，１０゜
２６、切換弁１および弁１９を通じて主タンク５内へ戻
せばよく、第２の室１６内には、弁２７を通じて作動油
が流入する。However, if the gate is closed by its own weight,
Without requiring hydraulic pressure from the pump 4, by opening the stop valve 24 and returning the hydraulic oil in the first chamber 15 to the main tank 5 through the valves 13, 24, 25, 10° 26, the switching valve 1 and the valve 19. Hydraulic oil often flows into the second chamber 16 through the valve 27 .
前述のようにして、ゲートの開閉制御が行なわれるので
あるが、油圧シリンダ１４の第１の室１５および第２の
室１６に、それぞれのストップ弁２８，２９およびオー
ト・カプラー３０．３１を介して接続された空気圧搾機
３２は、ストップ弁３３．３４および第１の廃油タンク
３５とともに、劣化した作動油を排出するのに用いられ
る。The opening and closing of the gate is controlled in the manner described above. The air compressor 32, which is connected together with the stop valves 33, 34 and the first waste oil tank 35, is used to drain the degraded hydraulic oil.
また、弁７．８の相互接続点からストップ弁３６および
オート・カプラー３７を通じて第２の廃油タンク３８に
いたる経路３９は、主タンク５内に排出された前記作動
油を、第２の廃油タンク３８内に収集するのに用いられ
、さらに、経路３９と主タンク５との間に設けられたス
トップ弁４０は、ポンプ４と油ろ過器６との相互接続点
から、ストップ弁４１．油ろ過器４２およびオートカプ
ラー４３を通じて新油タンク４４へ通じる経路４５とと
もに、新しい作動油を油圧回路内に導入するのに用いら
れる。Also, a path 39 from the interconnection point of the valve 7.8 through the stop valve 36 and the auto coupler 37 to the second waste oil tank 38 carries the hydraulic oil discharged into the main tank 5 to the second waste oil tank 38. In addition, a stop valve 40, which is used to collect in the oil filter 38 and which is provided between the line 39 and the main tank 5, connects the stop valve 41. Together with a path 45 leading to a new oil tank 44 through an oil filter 42 and an autocoupler 43, it is used to introduce new hydraulic oil into the hydraulic circuit.
そして、作動油の交換は、ゲートを開閉制御しない休止
状態下で行なわれる。The hydraulic oil is replaced in a rest state in which gate opening/closing is not controlled.
すなわち、まず、ストップ弁２Ｂ、２９．１３．２４を
開き、空気圧搾機３２からの圧搾空気を、油圧シリンダ
１４の第１、第２の室１５．１６内へ送り込む。That is, first, the stop valves 2B, 29, 13, 24 are opened, and compressed air from the air compressor 32 is sent into the first and second chambers 15, 16 of the hydraulic cylinder 14.
これによって、第１、第２の室１５．１６内にあった作
動油は、配管内の作動油とともに、それぞれ実線矢印お
よび破線矢印で示す経路を経て主タンク５内へ送出され
ることになる。As a result, the hydraulic oil in the first and second chambers 15 and 16 is sent into the main tank 5 along with the hydraulic oil in the piping through the paths shown by the solid line arrow and the broken line arrow, respectively. .
ついで、ストップ弁３６を用いてポンプ４を駆動させ、
主タンク５内のすべての作動油を、弁３６およびオート
・カプラー３７を通じて第２の廃油タンク３８内へ域す
。Next, the pump 4 is driven using the stop valve 36,
All hydraulic oil in main tank 5 is diverted through valve 36 and auto coupler 37 into second waste oil tank 38.
これによって、油圧シリンダ１４、配管および主タンク
５の各内部の作動油を完全に排出したのち、ストップ弁
３６゜４０．４１を開き、かつ、ポンプ４を駆動して、
新油タンク４４内の新しい作動油を主タンク５内へ移す
。As a result, after the hydraulic oil inside the hydraulic cylinder 14, piping, and main tank 5 is completely drained, the stop valve 36° 40.41 is opened, and the pump 4 is driven.
The new hydraulic oil in the new oil tank 44 is transferred to the main tank 5.
そしてつぎに、ストップ弁３３．３４を開くとともに、
切換弁１を励磁し、ポンプ４によってくみあげた作動油
を、油圧シリンダ１４の第１、第２の室１５，１６内へ
圧送する。Then, while opening the stop valves 33 and 34,
The switching valve 1 is energized and the hydraulic oil pumped up by the pump 4 is forced into the first and second chambers 15 and 16 of the hydraulic cylinder 14.
これによって、第１の廃油タンク３５内には、最初、空
気を混入した作動油が流入し、ついで、新しい作動油の
みが流入するようになるから、このとき、ストップ弁３
３．３４を閉じる。As a result, air-mixed hydraulic oil first flows into the first waste oil tank 35, and then only new hydraulic oil flows into the first waste oil tank 35.
Close 3.34.
前述のようにして、作動油の交換を行なうのであるが、
油圧シリンダ１４内およびその配管内の空気抜きのみを
目的とする場合には、ポンプ４でくみ上げた新しい作動
油を、油圧シリンダ１４の第１および第２の室１５．１
６内へ送り込み、その排出油を第１の廃油タンク３５内
へ導けばよい。The hydraulic oil is replaced as described above,
When the purpose is only to remove air from inside the hydraulic cylinder 14 and its piping, fresh hydraulic oil pumped up by the pump 4 is pumped into the first and second chambers 15.1 of the hydraulic cylinder 14.
6 and lead the discharged oil into the first waste oil tank 35.
なお、第１、第２の廃油タンク３５．３８は、共通のタ
ンクとすることができる。Note that the first and second waste oil tanks 35 and 38 can be a common tank.
また、以上は、この考案をゲート開閉制御機に適用した
実施例につきのべたが、その他の油圧動力機構に同様に
適用できるのは勿論である。Further, although the above description has been given of an embodiment in which this invention is applied to a gate opening/closing control machine, it goes without saying that it can be similarly applied to other hydraulic power mechanisms.
以項のように、この考案の油交換装置によると、油圧回
路内の経年劣化した作動油およびこれに含まれる空気を
圧搾空気圧によって完全かつ簡便に油圧回路外へ排出で
き、しかも、新油の供給作業もきわめて容易に達成でき
、ゲート開閉制御機その他の油圧動力機構に適用してす
ぐれた省力化が得られ、油圧シリンダのピストン機能を
、常に最良状態に保つことができる。As described below, according to the oil exchange device of this invention, aged hydraulic oil in the hydraulic circuit and the air contained therein can be completely and easily discharged from the hydraulic circuit using compressed air pressure, and new oil can be replaced. Supply work can be accomplished extremely easily, and when applied to gate opening/closing control machines and other hydraulic power mechanisms, excellent labor savings can be obtained, and the piston function of hydraulic cylinders can always be maintained in the best condition.
図面は、この考案の油圧回路の油交換装置の１実施例の
配管図である。
１・・・・・・切換弁、４・・・・・・ポンプ、５・・
・・・・主タンク、１４・・・・・・油圧シリンダ、１
５・・・・・・同シリンダの第１の室、１６・・・・・
・同シリンダの第２の室、２８゜２９．３３，３４，３
６，４０．４１・・・・・・ストップ弁、３２・・・・
・・空気圧搾機、３５・・・・・・第１の廃油タンク、
３８・・・・・・第２の廃油タンク、４４・・・・・・
新油タンク。The drawing is a piping diagram of one embodiment of the oil exchange device for a hydraulic circuit of this invention. 1...Switching valve, 4...Pump, 5...
...Main tank, 14...Hydraulic cylinder, 1
5...First chamber of the same cylinder, 16...
・Second chamber of the same cylinder, 28°29.33,34,3
6,40.41... Stop valve, 32...
...Air compressor, 35...First waste oil tank,
38...Second waste oil tank, 44...
New oil tank.
Claims (1)
ンダ１４との間の配管中に、前記作動油を前記油圧シリ
ンダ１４の第１の室１５および第２の室１６のいずれか
一方へ選択的に導きかつ前記第２の室１６および第１の
室１５の作動油を前記主タンク５に戻す切換弁１を設け
、前記第１の室１５および第２の室１６に、それぞれス
トップ弁２Ｂ 、２９を介して空気圧搾機３２にいたる
経路を設けるとともに、前記第１の室１５および第２の
室１６に、それぞれ他のストップ弁３３゜３４を介して
廃油タンク３５にいたる経路を設け、さらに、前記主タ
ンク５から前記ポンプ４およびストップ弁３６を通じて
廃油タンク３８にいたる廃油排出経路を設けるとともに
、新油タンク４４から他のストップ弁４０，４１および
前記ポンプ４を通じて前記主タンク５にいたる新油供給
経路を設けた油圧回路の油交換装置。In the piping between the pump 4 that pumps the hydraulic oil in the main tank 5 and the hydraulic cylinder 14, the hydraulic oil is selectively transferred to either the first chamber 15 or the second chamber 16 of the hydraulic cylinder 14. A switching valve 1 is provided to guide the hydraulic oil in the second chamber 16 and the first chamber 15 to the main tank 5, and a stop valve 2B is provided in the first chamber 15 and the second chamber 16, respectively. 29 to the air compressor 32, and the first chamber 15 and the second chamber 16 are provided with a path to the waste oil tank 35 via other stop valves 33 and 34, respectively. , a waste oil discharge path is provided from the main tank 5 to the waste oil tank 38 through the pump 4 and the stop valve 36, and a new oil discharge path is provided from the new oil tank 44 to the main tank 5 through the other stop valves 40, 41 and the pump 4. Oil exchange device for hydraulic circuit with oil supply path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1975132037U JPS5825128Y2 (en) | 1975-09-25 | 1975-09-25 | Yuatsu Kairono Abura Kokansouchi |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1975132037U JPS5825128Y2 (en) | 1975-09-25 | 1975-09-25 | Yuatsu Kairono Abura Kokansouchi |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5244991U JPS5244991U (en) | 1977-03-30 |
| JPS5825128Y2 true JPS5825128Y2 (en) | 1983-05-30 |
Family
ID=28612156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1975132037U Expired JPS5825128Y2 (en) | 1975-09-25 | 1975-09-25 | Yuatsu Kairono Abura Kokansouchi |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5825128Y2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS628199Y2 (en) * | 1978-09-07 | 1987-02-25 | ||
| JPH04106047U (en) * | 1991-02-27 | 1992-09-11 | しげる工業株式会社 | car instrument panel |
| JP2012041953A (en) * | 2010-08-16 | 2012-03-01 | Yuutekku:Kk | Hydraulic fluid replacement method of hydraulic cylinder drive circuit |
| WO2021040515A1 (en) * | 2019-08-23 | 2021-03-04 | Holmatro B.V. | Method for selectively coupling or uncoupling a coupling, and a coupling therefor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4965464A (en) * | 1972-10-31 | 1974-06-25 |
-
1975
- 1975-09-25 JP JP1975132037U patent/JPS5825128Y2/en not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4965464A (en) * | 1972-10-31 | 1974-06-25 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5244991U (en) | 1977-03-30 |
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