JPS5555711A - No-power automatic open/close gate - Google Patents

No-power automatic open/close gate

Info

Publication number
JPS5555711A
JPS5555711A JP12891378A JP12891378A JPS5555711A JP S5555711 A JPS5555711 A JP S5555711A JP 12891378 A JP12891378 A JP 12891378A JP 12891378 A JP12891378 A JP 12891378A JP S5555711 A JPS5555711 A JP S5555711A
Authority
JP
Japan
Prior art keywords
gate
cylinder
lifted
opening
water level
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
Application number
JP12891378A
Other languages
Japanese (ja)
Other versions
JPS572851B2 (en
Inventor
Shunzo Haraguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP12891378A priority Critical patent/JPS5555711A/en
Publication of JPS5555711A publication Critical patent/JPS5555711A/en
Publication of JPS572851B2 publication Critical patent/JPS572851B2/ja
Granted legal-status Critical Current

Links

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Abstract

PURPOSE: To provide a stepwise opening of the gate under no-man and no-power condition in response to a rising of the water level by sensing an excessive water level, opening the gate by a main cylinder and restricting an opening of the gate by a regulating cylinder.
CONSTITUTION: When a level of upstram of the gate 11 is risen, the float 1 is also lifted, the sprocket 7 is rotated and the chain 8 is lifted. The cam plate 9 is lifted to release the check valves 20B and 20D. Oil in the pressurized chamber 13 of the main cylinder 12 is flowed into the chamber 19 of the regulating cylinder 17 and moves teh piston 22 in a rightward direction. Opening operation of the main cylinder 12 and the gate 11 is temporarily terminated. That is, the gare 11 shows an opening operation by a distance corresponding to a capacity of the cylinder 17. Then, when the water level 01 is to be lifted, the cam 10' is operated by the cam plate 9' to release the check valves 20A and 20C to move the piston 22 in a leftward direction. The gate 11 is further opened by a distance corresponding to one stroke of the cylinder 17.
COPYRIGHT: (C)1980,JPO&Japio
JP12891378A 1978-10-19 1978-10-19 No-power automatic open/close gate Granted JPS5555711A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12891378A JPS5555711A (en) 1978-10-19 1978-10-19 No-power automatic open/close gate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12891378A JPS5555711A (en) 1978-10-19 1978-10-19 No-power automatic open/close gate

Publications (2)

Publication Number Publication Date
JPS5555711A true JPS5555711A (en) 1980-04-23
JPS572851B2 JPS572851B2 (en) 1982-01-19

Family

ID=14996456

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12891378A Granted JPS5555711A (en) 1978-10-19 1978-10-19 No-power automatic open/close gate

Country Status (1)

Country Link
JP (1) JPS5555711A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5782853A (en) * 1980-11-11 1982-05-24 Canon Inc Developing method
JP2013189795A (en) * 2012-03-13 2013-09-26 Kyowa Seisakusho:Kk Hydraulic control circuit of derricking type automatic gate equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5782853A (en) * 1980-11-11 1982-05-24 Canon Inc Developing method
JP2013189795A (en) * 2012-03-13 2013-09-26 Kyowa Seisakusho:Kk Hydraulic control circuit of derricking type automatic gate equipment

Also Published As

Publication number Publication date
JPS572851B2 (en) 1982-01-19

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