DE2214032A1 - Hydraulik-Zylinder mit Hubdämpfungseinrichtung - Google Patents

Hydraulik-Zylinder mit Hubdämpfungseinrichtung

Info

Publication number
DE2214032A1
DE2214032A1 DE19722214032 DE2214032A DE2214032A1 DE 2214032 A1 DE2214032 A1 DE 2214032A1 DE 19722214032 DE19722214032 DE 19722214032 DE 2214032 A DE2214032 A DE 2214032A DE 2214032 A1 DE2214032 A1 DE 2214032A1
Authority
DE
Germany
Prior art keywords
piston
rod
bore
housing
bushing
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.)
Withdrawn
Application number
DE19722214032
Other languages
German (de)
English (en)
Inventor
L F Berg
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.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor Co
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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Publication of DE2214032A1 publication Critical patent/DE2214032A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
    • 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
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
    • F15B15/222—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having a piston with a piston extension or piston recess which throttles the main fluid outlet as the piston approaches its end position

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Actuator (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Damping Devices (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
DE19722214032 1971-03-29 1972-03-20 Hydraulik-Zylinder mit Hubdämpfungseinrichtung Withdrawn DE2214032A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12882271A 1971-03-29 1971-03-29

Publications (1)

Publication Number Publication Date
DE2214032A1 true DE2214032A1 (de) 1972-10-12

Family

ID=22437141

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722214032 Withdrawn DE2214032A1 (de) 1971-03-29 1972-03-20 Hydraulik-Zylinder mit Hubdämpfungseinrichtung

Country Status (10)

Country Link
US (1) US3704650A (enExample)
JP (1) JPS5521208B1 (enExample)
AU (1) AU460377B2 (enExample)
BE (1) BE779391A (enExample)
CA (1) CA940014A (enExample)
DE (1) DE2214032A1 (enExample)
FR (1) FR2132013B1 (enExample)
GB (1) GB1342548A (enExample)
IT (1) IT948664B (enExample)
SE (1) SE374949B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2531394A1 (de) * 1974-07-15 1976-01-29 Parker Hannifin Corp Hydraulische bremseinrichtung
DE19836422A1 (de) * 1998-08-12 2000-02-24 Mannesmann Rexroth Ag Druckmittelbetätigter Arbeitszylinder

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3913451A (en) * 1974-08-30 1975-10-21 Cincinnati Milacron Inc Hydraulic cylinder with cushioning means
US4006666A (en) * 1975-05-22 1977-02-08 Towmotor Corporation Cushioning device for a hydraulic jack
US4033235A (en) * 1976-01-26 1977-07-05 Caterpillar Tractor Co. Fluid operated ram
US4064788A (en) * 1976-07-29 1977-12-27 Parker-Hannifin Corporation Cushioning means for hydraulic cylinder
US4386555A (en) * 1979-02-09 1983-06-07 Sperry Corporation Hydraulic cylinder cushion device
US4424737A (en) * 1980-03-26 1984-01-10 Kabushiki Kaisha Komatsu Seisakusho Stroke cushioning apparatus for hydraulic cylinders
EP0068495B1 (en) * 1981-06-30 1986-03-12 Hitachi Construction Machinery Co., Ltd. Shock absorbing device for hydraulic cylinder
US4517878A (en) * 1981-10-20 1985-05-21 Hitachi Construction Machinery Co., Ltd. Shock absorbing device for hydraulic cylinder
AU1164083A (en) * 1982-02-11 1983-08-18 Sperry Ltd. Control valve for a fluid operated piston-cylinder assembly
CN1148514C (zh) * 1998-05-29 2004-05-05 日立建机株式会社 油压缸
GB9910257D0 (en) * 1999-05-05 1999-06-30 Lucas Ind Plc Piston and cylinder assembly and flow restrictor device therefor
US7121185B2 (en) * 2004-05-28 2006-10-17 Caterpillar Inc. Hydraulic cylinder having a snubbing valve
ITTO20050043A1 (it) * 2005-01-27 2006-07-28 Enzo Gusella Dispositivo attuatore, in particolare per una benna a polipo.
JP4851992B2 (ja) * 2007-05-22 2012-01-11 カヤバ工業株式会社 クッションリング及び流体圧シリンダ
EP2956679B1 (en) * 2013-02-13 2020-04-29 Safran Landing Systems Canada Inc. Modular actuator with snubbing arrangement
CA3142307A1 (en) * 2019-05-31 2020-12-03 Hydra Dyne Technology Inc. Stroke cushioning in piston and cylinder devices
US11067104B1 (en) * 2020-11-16 2021-07-20 Caterpillar Inc. Integrated cylinder piston and bearing as a hydraulic cushion
US11319972B1 (en) * 2021-05-11 2022-05-03 Caterpillar Inc. Hydraulic cylinder snubbing retention arrangement
US20260029002A1 (en) * 2024-07-23 2026-01-29 Caterpillar Inc. Hydraulic cylinder cushion stem with over molded sleeve

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2493602A (en) * 1947-12-31 1950-01-03 Vance C Sterrett Pressure fluid motor
US2642845A (en) * 1950-12-20 1953-06-23 Westinghouse Air Brake Co Piston cushioning apparatus
US2704996A (en) * 1952-07-17 1955-03-29 Hannifin Corp Fluid operated cylinder with adjustable cushion

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2531394A1 (de) * 1974-07-15 1976-01-29 Parker Hannifin Corp Hydraulische bremseinrichtung
DE19836422A1 (de) * 1998-08-12 2000-02-24 Mannesmann Rexroth Ag Druckmittelbetätigter Arbeitszylinder
DE19836422C2 (de) * 1998-08-12 2002-10-24 Mannesmann Rexroth Ag Druckmittelbetätigter Arbeitszylinder
WO2000009891A3 (de) * 1998-08-12 2002-10-24 Mannesmann Rexroth Ag Druckmittelbetätigter arbeitszylinder
US6481331B1 (en) 1998-08-12 2002-11-19 Bosch Rexroth Ag Working cylinder actuated by hydraulic fluid

Also Published As

Publication number Publication date
AU3775372A (en) 1973-07-12
FR2132013B1 (enExample) 1978-02-10
JPS5521208B1 (enExample) 1980-06-07
GB1342548A (en) 1974-01-03
US3704650A (en) 1972-12-05
SE374949B (enExample) 1975-03-24
CA940014A (en) 1974-01-15
IT948664B (it) 1973-06-11
BE779391A (fr) 1972-08-16
FR2132013A1 (enExample) 1972-11-17
AU460377B2 (en) 1975-04-24

Similar Documents

Publication Publication Date Title
DE2214032A1 (de) Hydraulik-Zylinder mit Hubdämpfungseinrichtung
DE68907578T2 (de) Fahrzeugstruktur und Montageverfahren.
DE2054750A1 (de) Einrichtung an fluidgefullten Zylindern mit fluidbetatigtem Kolben
DE102011051710B3 (de) Zugfeder
DE2632440C2 (de) Brennkraftmaschine mit veränderlichem Kompressionsverhältnis
DE3831459C2 (enExample)
DE29816283U1 (de) Verbesserte hydraulische Schnellhebeeinheit eines Wagenhebers
WO2018103982A1 (de) Hydraulischer endanschlag für einen schwingungsdämpfer
DE3137345C2 (de) Druckluftzylinder mit Endlagendämpfung
DE2945911C2 (enExample)
EP0505349B2 (de) Hydraulische Zylinder/Kolben-Anordnung
DE102006013072B3 (de) Selbstpumpende hydropneumatische Feder-Dämpfer-Einheit
DE1954604A1 (de) Hebe- und Senkvorrichtung,insbesondere fuer an ein Fahrzeug anschliessbare Arbeitsgeraete,beispielsweise fuer die Maehwerksbaugruppe von Maehdreschern
DE10223764A1 (de) Lenkungsdämpfer
EP0604475A1 (de) Federbein für hydraulischen radantrieb.
EP2175160A2 (de) Schwingungsdämpfer mit amplitudenselektiver Dämpfkraft
EP0464356B1 (de) Plungerzylinder
DE3200774A1 (de) Vorderradgabel fuer motorraeder o.dgl.
DE3625805C2 (enExample)
DE1530207C3 (de) Hydraulisch gedämpfte Stoßaufnahmevorrichtung für Eisenbahnwagen
DE10120643A1 (de) Vorgesteuertes Druckventil
DE19927070B4 (de) Hydraulische Presse
EP1061268A2 (de) Führungsseitige Dämpfung in einfach wirkenden Arbeitszylindern
DE3309622A1 (de) Hydraulischer hubzylinder
DE3819921C2 (enExample)

Legal Events

Date Code Title Description
OD Request for examination
8130 Withdrawal