JPH0337044B2 - - Google Patents

Info

Publication number
JPH0337044B2
JPH0337044B2 JP56168273A JP16827381A JPH0337044B2 JP H0337044 B2 JPH0337044 B2 JP H0337044B2 JP 56168273 A JP56168273 A JP 56168273A JP 16827381 A JP16827381 A JP 16827381A JP H0337044 B2 JPH0337044 B2 JP H0337044B2
Authority
JP
Japan
Prior art keywords
double
piston rod
acting hydraulic
hydraulic cylinder
cylinder
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 - Lifetime
Application number
JP56168273A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5868507A (ja
Inventor
Shuji Katayama
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.)
Tadano Ltd
Original Assignee
Tadano 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 Tadano Ltd filed Critical Tadano Ltd
Priority to JP56168273A priority Critical patent/JPS5868507A/ja
Publication of JPS5868507A publication Critical patent/JPS5868507A/ja
Publication of JPH0337044B2 publication Critical patent/JPH0337044B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/64—Jibs
    • B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
    • B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/16—Characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Jib Cranes (AREA)
  • Actuator (AREA)
  • Fluid-Pressure Circuits (AREA)
JP56168273A 1981-10-20 1981-10-20 複数の油圧シリンダの結合方式 Granted JPS5868507A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56168273A JPS5868507A (ja) 1981-10-20 1981-10-20 複数の油圧シリンダの結合方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56168273A JPS5868507A (ja) 1981-10-20 1981-10-20 複数の油圧シリンダの結合方式

Publications (2)

Publication Number Publication Date
JPS5868507A JPS5868507A (ja) 1983-04-23
JPH0337044B2 true JPH0337044B2 (en]) 1991-06-04

Family

ID=15864956

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56168273A Granted JPS5868507A (ja) 1981-10-20 1981-10-20 複数の油圧シリンダの結合方式

Country Status (1)

Country Link
JP (1) JPS5868507A (en])

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009030652A (ja) * 2007-07-24 2009-02-12 Miyoshi:Kk 多段伸縮駆動装置
KR101331527B1 (ko) * 2011-09-21 2013-11-20 동양기전 주식회사 다단 실린더 장치
CN102536948B (zh) * 2012-01-10 2015-01-21 徐州重型机械有限公司 一种油缸及具有该油缸的吊臂伸缩系统和起重机
CN103452940B (zh) * 2013-09-25 2014-08-20 山东科技大学 一种集成阀块
CN103470550B (zh) * 2013-09-25 2014-09-10 山东科技大学 一种增压装置
CN103470549B (zh) * 2013-09-25 2014-09-10 山东科技大学 一种增压缸
CN105370645B (zh) * 2015-12-14 2017-04-19 黑龙江省农业机械工程科学研究院 一种新型顺序动作液压缸

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4829293U (en]) * 1971-08-17 1973-04-10
JPS5018066U (en]) * 1973-06-12 1975-02-27
JPS5229389U (en]) * 1975-08-22 1977-03-01

Also Published As

Publication number Publication date
JPS5868507A (ja) 1983-04-23

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