JPS5599452A - Air-oil pressure switching system unit brake apparatus equipped with parking brake - Google Patents

Air-oil pressure switching system unit brake apparatus equipped with parking brake

Info

Publication number
JPS5599452A
JPS5599452A JP478979A JP478979A JPS5599452A JP S5599452 A JPS5599452 A JP S5599452A JP 478979 A JP478979 A JP 478979A JP 478979 A JP478979 A JP 478979A JP S5599452 A JPS5599452 A JP S5599452A
Authority
JP
Japan
Prior art keywords
air
air pressure
cylinder
oil
oil pressure
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
Application number
JP478979A
Other languages
Japanese (ja)
Inventor
Masaharu Shigehisa
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 JP478979A priority Critical patent/JPS5599452A/en
Publication of JPS5599452A publication Critical patent/JPS5599452A/en
Pending legal-status Critical Current

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  • Braking Systems And Boosters (AREA)

Abstract

PURPOSE: To simplify structure and allow braking force to be generated certainly throuth the air pressure operating part and the oil pressure operating part by forming integrally an air-oil pressure switching system unit brake apparatus and a parking press apparatus.
CONSTITUTION: The braking operation in ordinary traveling is performed by introducing the compressed air in an air brake cylinder which is controlled by an air brake device into the chamber A of the pneumatic cylinder 6 divided by an air pressure operation piston 1. When it is necessary for the parking brake device to operate, the air pressure in the range M of the space part between an oil tank and the air pressure operating part is released, and the partition wall 27 which divides the space part described above into two ranges M and N is slided to the range M side by the spring forces 25 and 26, and in the final stage, the air pressure operation part (air pressure cylinder 6 and the piston 1 of the cylinder involved) and the oil pressure operation part (oil hydraulic cylinder C involved) are operated, and 83 a braking action for wheels is developed through an oil hydraulic piston 8.
COPYRIGHT: (C)1980,JPO&Japio
JP478979A 1979-01-22 1979-01-22 Air-oil pressure switching system unit brake apparatus equipped with parking brake Pending JPS5599452A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP478979A JPS5599452A (en) 1979-01-22 1979-01-22 Air-oil pressure switching system unit brake apparatus equipped with parking brake

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP478979A JPS5599452A (en) 1979-01-22 1979-01-22 Air-oil pressure switching system unit brake apparatus equipped with parking brake

Publications (1)

Publication Number Publication Date
JPS5599452A true JPS5599452A (en) 1980-07-29

Family

ID=11593545

Family Applications (1)

Application Number Title Priority Date Filing Date
JP478979A Pending JPS5599452A (en) 1979-01-22 1979-01-22 Air-oil pressure switching system unit brake apparatus equipped with parking brake

Country Status (1)

Country Link
JP (1) JPS5599452A (en)

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