JPS5569775A - Switching device for suction-transport unit concrete transfer pump - Google Patents

Switching device for suction-transport unit concrete transfer pump

Info

Publication number
JPS5569775A
JPS5569775A JP14176378A JP14176378A JPS5569775A JP S5569775 A JPS5569775 A JP S5569775A JP 14176378 A JP14176378 A JP 14176378A JP 14176378 A JP14176378 A JP 14176378A JP S5569775 A JPS5569775 A JP S5569775A
Authority
JP
Japan
Prior art keywords
cylinder
hopper
suction
branch pipe
concrete
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
JP14176378A
Other languages
Japanese (ja)
Other versions
JPS5730983B2 (en
Inventor
Makoto Niwa
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.)
Kyokuto Kaihatsu Kogyo Co Ltd
Original Assignee
Kyokuto Kaihatsu Kogyo Co 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 Kyokuto Kaihatsu Kogyo Co Ltd filed Critical Kyokuto Kaihatsu Kogyo Co Ltd
Priority to JP14176378A priority Critical patent/JPS5569775A/en
Publication of JPS5569775A publication Critical patent/JPS5569775A/en
Publication of JPS5730983B2 publication Critical patent/JPS5730983B2/ja
Granted legal-status Critical Current

Links

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  • Reciprocating Pumps (AREA)

Abstract

PURPOSE: To reduce a return moment to a hopper by the system such that the repelling force of pressure transport exerted on the hopper by the concrete ejected alternately from a pair of pump cylinders is sustained by the back wall of the hopper via a Y switching conduit.
CONSTITUTION: When expansion-contraction cylinder 15 is operated, switching conduit 7 is oscillated right and left along the axis L-L via arm 14 and oscillation drive shaft 13, and the open ends of branch pipes 11 and 12 are connected alternately to pump cylinders 9 and 10. At this time, when branch pipe on one side is connected to cylinder 9, branch pipe 12 on the other side is brought into contact with back wall 6 via junction ring 16 and is closed. When cylinder 9 on one side is opened to suction-transport chamber 3, this cylinder 9 is in the suction stroke and sucks concrete from hopper 1. During this time, cylinder 10 is in the compression stroke and supply concrete from discharge pipe 8 via branch pipe 12.
COPYRIGHT: (C)1980,JPO&Japio
JP14176378A 1978-11-17 1978-11-17 Switching device for suction-transport unit concrete transfer pump Granted JPS5569775A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14176378A JPS5569775A (en) 1978-11-17 1978-11-17 Switching device for suction-transport unit concrete transfer pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14176378A JPS5569775A (en) 1978-11-17 1978-11-17 Switching device for suction-transport unit concrete transfer pump

Publications (2)

Publication Number Publication Date
JPS5569775A true JPS5569775A (en) 1980-05-26
JPS5730983B2 JPS5730983B2 (en) 1982-07-01

Family

ID=15299607

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14176378A Granted JPS5569775A (en) 1978-11-17 1978-11-17 Switching device for suction-transport unit concrete transfer pump

Country Status (1)

Country Link
JP (1) JPS5569775A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5863371U (en) * 1981-10-24 1983-04-28 株式会社新潟鐵工所 Concrete pump hopper
JPS6255474A (en) * 1985-09-02 1987-03-11 Mitsubishi Heavy Ind Ltd Concrete pump

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH033982Y2 (en) * 1985-05-13 1991-01-31
JPH0332069Y2 (en) * 1986-04-04 1991-07-08
JPH0198487U (en) * 1987-12-22 1989-06-30

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3298322A (en) * 1966-04-20 1967-01-17 Robert T Sherrod Pump for semi-fluid materials

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3298322A (en) * 1966-04-20 1967-01-17 Robert T Sherrod Pump for semi-fluid materials

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5863371U (en) * 1981-10-24 1983-04-28 株式会社新潟鐵工所 Concrete pump hopper
JPS6255474A (en) * 1985-09-02 1987-03-11 Mitsubishi Heavy Ind Ltd Concrete pump

Also Published As

Publication number Publication date
JPS5730983B2 (en) 1982-07-01

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