JPS6319410A - Hydraulic actuator operating device - Google Patents
Hydraulic actuator operating deviceInfo
- Publication number
- JPS6319410A JPS6319410A JP16091786A JP16091786A JPS6319410A JP S6319410 A JPS6319410 A JP S6319410A JP 16091786 A JP16091786 A JP 16091786A JP 16091786 A JP16091786 A JP 16091786A JP S6319410 A JPS6319410 A JP S6319410A
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- control circuit
- cylinder
- fluid pressure
- 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
- 239000012530 fluid Substances 0.000 claims description 18
- 238000009429 electrical wiring Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
Description
【発明の詳細な説明】
「産業上の利用分野」
本発明は、シリンダ等の流体圧アクチュエータを遠隔操
作によって作動する流体圧アクチュエータ作動装置に関
する。DETAILED DESCRIPTION OF THE INVENTION "Field of Industrial Application" The present invention relates to a fluid pressure actuator operating device for operating a fluid pressure actuator such as a cylinder by remote control.
「従来の技術及びその問題点」
従来、例えば流体圧シリンダを遠隔操作によって作動す
るには、流体圧アクチュエータを流体圧供給源に配管接
続するとともに、その中途に電磁弁等を設け、これを制
御回路及び電源に電気配線によって接続していた。その
ため、流体圧アクチュエータ本体は小型であっても、そ
れと流体圧供給源及び電源との間に、多数の配管及び電
気配線設備が必要で、それはこれらの間の距離が長くな
ればなるほど増大し、設備費が高いとともに、作業性も
悪く、また消費電力も多かった。"Prior Art and its Problems" Conventionally, for example, in order to operate a fluid pressure cylinder by remote control, a fluid pressure actuator was connected to a fluid pressure supply source via piping, and a solenoid valve, etc. was installed in the middle of the piping to control it. It was connected to the circuit and power source by electrical wiring. Therefore, even if the fluid pressure actuator body is small, a large number of piping and electrical wiring facilities are required between it and the fluid pressure supply source and power supply, and this increases as the distance between them increases. Equipment costs were high, workability was poor, and power consumption was high.
本発明の目的は、配管及び電気配線設備を必要とせずし
かも低消費電力で流体圧アクチュエータを遠隔操作でき
るようにすることである。An object of the present invention is to enable remote control of a fluid pressure actuator without the need for piping or electrical wiring equipment and with low power consumption.
「問題点を解決するための手段」
本発明は、流体圧アクチュエータ本体に、圧電式切換弁
と、該圧電式切換弁を制御する制御回路と、これら圧電
式切換弁及び制御回路を駆動する電源と、外部信号を受
信して上記制御回路に制御用信号を入力する受信器とを
備えたものである。"Means for Solving the Problems" The present invention provides a fluid pressure actuator body with a piezoelectric switching valve, a control circuit for controlling the piezoelectric switching valve, and a power source for driving the piezoelectric switching valve and the control circuit. and a receiver that receives an external signal and inputs a control signal to the control circuit.
「作 用」
従って、流体圧アクチュエータに向けて無線式に信号を
送信すれば、それを遠隔操作できる。流体圧を切り換え
る切換弁は圧電式であるため、低消費電力で駆動できる
。``Operation'' Therefore, by wirelessly transmitting a signal to a fluid pressure actuator, it can be remotely controlled. The switching valve that switches fluid pressure is piezoelectric, so it can be driven with low power consumption.
「実 施 例」 以下に本発明の一実施（？ｌＪについて説明する。"Example" One implementation of the present invention (?lJ) will be described below.
第１図は本実施例の装置の模式図、第２図はその断面図
である。流体圧アクチュエータであるシリンダ１の本体
２内にシま、ピストンロッド３を突設したピストン４が
摺動自在に嵌装されている。FIG. 1 is a schematic diagram of the apparatus of this embodiment, and FIG. 2 is a sectional view thereof. A piston 4 having a piston rod 3 projecting thereon is slidably fitted into a main body 2 of a cylinder 1 which is a fluid pressure actuator.
本体２上に圧電式切換弁５と電源６と受信器７と制御回
路８ （第２図では図示せず）が設けられている。A piezoelectric switching valve 5, a power source 6, a receiver 7, and a control circuit 8 (not shown in FIG. 2) are provided on the main body 2.
圧電式切換弁５は、その弁本体９内に上下２つの弁室１
０を区画形成し、それぞれの弁室１０内の天面及び底面
に弁座１１を突出形成し、また各弁室１０内にバイモル
フ構造で板状の圧電アクチュエータ１２を装着、すなわ
ち圧電アクチュエータ１２の基端部を弁本体９に挾持し
である。各圧電アクチェエータ１２の遊端部の上下両面
には、上下の弁座１１に設けられている弁口１３をそれ
ぞれシールするためのシール材１４が付着されている。The piezoelectric switching valve 5 has two upper and lower valve chambers 1 in its valve body 9.
A valve seat 11 is formed protruding from the top and bottom surfaces of each valve chamber 10, and a plate-shaped piezoelectric actuator 12 with a bimorph structure is installed in each valve chamber 10. The base end portion is clamped to the valve body 9. Seal materials 14 are attached to both upper and lower surfaces of the free end of each piezoelectric actuator 12 for sealing the valve ports 13 provided in the upper and lower valve seats 11, respectively.
上下の弁室１０は、それぞれ通路１５．１６を介してシ
リンダ１の本体２内のキャップ側室１７．ヘッド側室１
８に各別に連通している。上側の弁室１０の上側の弁口
１３と下側の弁室１０の下側の弁口１３とは大気開放通
路１９を介して開放され、上側の弁室１０の下側の弁口
１３と下側の弁室１０の上側の弁口１３とは供給通路２
０を介して外部の圧力供給源と連通している。各圧電ア
クチュエータ１２はリード線２１を介して制御回路８に
接続され、該制御回路８の制御によって電源６から通電
される。The upper and lower valve chambers 10 are connected to a cap side chamber 17. in the body 2 of the cylinder 1 via passages 15.16, respectively. Head side chamber 1
8 are connected to each other separately. The upper valve port 13 of the upper valve chamber 10 and the lower valve port 13 of the lower valve chamber 10 are opened via an atmosphere release passage 19, and the lower valve port 13 of the upper valve chamber 10 and The upper valve port 13 of the lower valve chamber 10 is the supply passage 2
0 to an external pressure source. Each piezoelectric actuator 12 is connected to a control circuit 8 via a lead wire 21, and is energized from a power source 6 under the control of the control circuit 8.
両圧電アクチュユータ１２のいずれも給電されていない
ときは、第２図に示すごとく両圧電アクチュエータ１２
は、それぞれの弁室１０内において下側の弁座１１に圧
接し、上側の弁口１３を開く一方、下側の弁室１３を閉
しる。このとき、シリンダ１のキャップ側室１７は上側
の弁室１０の上側の弁口１３を介して開放されるが、ヘ
ッド側室１８は下側の弁室１０の上側の弁口１３が介し
て圧力流体（例えば圧縮空気）を圧入される。従って、
シリンダ１においては通常はピストン４がキャップ側の
ストローク端に位置している。When neither of the piezoelectric actuators 12 is supplied with power, the piezoelectric actuators 12
is in pressure contact with the lower valve seat 11 in each valve chamber 10, opens the upper valve port 13, and closes the lower valve chamber 13. At this time, the cap side chamber 17 of the cylinder 1 is opened via the upper valve port 13 of the upper valve chamber 10, but the head side chamber 18 is opened via the upper valve port 13 of the lower valve chamber 10, and pressurized fluid (For example, compressed air) is injected under pressure. Therefore,
In the cylinder 1, the piston 4 is normally located at the stroke end on the cap side.
受信器７は、外部の送信器２２から送られてくる電波を
受信し制御回路８に入力する。The receiver 7 receives radio waves sent from an external transmitter 22 and inputs them to the control circuit 8 .
このような構成において、送信器２２からシリンダ１を
切換作動する指令信号が送信され、受信器７によって受
信されると、制御回路８によって上下２つの圧電アクチ
ュエータ１２が通電・非通電の制御を受ける。両圧電ア
クチュエータ１２が通電されると、これらは上方へ変位
して上側の弁座１１に圧接し、上側の弁口１３を閉じる
。このため、ヘッド側室１７が大気開放される一方、キ
ャンプ側室１８へ圧縮空気が圧入され、ピストン４はヘ
ッド側へ摺動される。両圧電アクチュエータ１３への通
電が遮断して第２図の状態に復帰すると、ピストン４が
、第３図に示すように送光器２４と受光器２５を用いて
光信号により送受信しても良い。また、本発明はシリン
ダ以外のアクチュエータにも適用できる。In such a configuration, when a command signal for switching the cylinder 1 is transmitted from the transmitter 22 and received by the receiver 7, the two upper and lower piezoelectric actuators 12 are controlled to be energized or de-energized by the control circuit 8. . When both piezoelectric actuators 12 are energized, they are displaced upward and come into pressure contact with the upper valve seat 11, closing the upper valve port 13. Therefore, while the head side chamber 17 is opened to the atmosphere, compressed air is forced into the camp side chamber 18, and the piston 4 is slid toward the head side. When the power to both piezoelectric actuators 13 is cut off and the state shown in FIG. 2 is restored, the piston 4 may transmit and receive optical signals using the light transmitter 24 and the light receiver 25 as shown in FIG. . Further, the present invention can be applied to actuators other than cylinders.
「発明の効果」
以上述べた通り本発明によれば、流体圧アクチュエータ
に向けて無線式に信号を送信すれば、それを遠隔操作で
き、またそれ自体が切換弁及び電源を備えているため、
配管及び電気配線が少なく、経済的であるとともに、作
業性も良い。また、流体圧を切り換える切換弁は圧電式
であるため、低消費電力で駆動できる。"Effects of the Invention" As described above, according to the present invention, by wirelessly transmitting a signal to the fluid pressure actuator, it can be remotely controlled, and since the fluid pressure actuator itself is equipped with a switching valve and a power source,
It requires less piping and electrical wiring, making it economical and easy to work with. Furthermore, since the switching valve that switches the fluid pressure is piezoelectric, it can be driven with low power consumption.
図面は本発明の一実施例を示し、第１図はその模式図、
第２図は断面図、第３図は他の例の模式図である。
１・・・・・・シリンダ、５・・・・・・圧電式切換弁
、６・・・・・・電源、７・・・・・・受信器、８・・
・・・・制御回路。The drawings show an embodiment of the present invention, and FIG. 1 is a schematic diagram thereof;
FIG. 2 is a sectional view, and FIG. 3 is a schematic diagram of another example. 1...Cylinder, 5...Piezoelectric switching valve, 6...Power source, 7...Receiver, 8...
...control circuit.
Claims (1)
圧電式切換弁を制御する制御回路と、これら圧電式切換
弁及び制御回路を駆動する電源と、外部信号を受信して
上記制御回路に制御用信号を入力する受信器とを備えて
なることを特徴とする流体圧アクチュエータ作動装置。1. The fluid pressure actuator body includes a piezoelectric switching valve, a control circuit for controlling the piezoelectric switching valve, a power source for driving the piezoelectric switching valve and the control circuit, and a power source for receiving external signals and transmitting them to the control circuit. A fluid pressure actuator actuating device comprising: a receiver for inputting a control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16091786A JPS6319410A (en) | 1986-07-10 | 1986-07-10 | Hydraulic actuator operating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16091786A JPS6319410A (en) | 1986-07-10 | 1986-07-10 | Hydraulic actuator operating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6319410A true JPS6319410A (en) | 1988-01-27 |
Family
ID=15725098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16091786A Pending JPS6319410A (en) | 1986-07-10 | 1986-07-10 | Hydraulic actuator operating device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6319410A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011098629A (en) * | 2009-11-05 | 2011-05-19 | Toyota Industries Corp | Axle housing supporting structure in towing tractor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS513023A (en) * | 1974-06-14 | 1976-01-12 | Babcock & Wilcox Co | Kankozotai |
| JPS60129481A (en) * | 1983-12-13 | 1985-07-10 | Nippon Denso Co Ltd | Piezoelectric element drive control valve |
-
1986
- 1986-07-10 JP JP16091786A patent/JPS6319410A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS513023A (en) * | 1974-06-14 | 1976-01-12 | Babcock & Wilcox Co | Kankozotai |
| JPS60129481A (en) * | 1983-12-13 | 1985-07-10 | Nippon Denso Co Ltd | Piezoelectric element drive control valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011098629A (en) * | 2009-11-05 | 2011-05-19 | Toyota Industries Corp | Axle housing supporting structure in towing tractor |
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