DE2326382C3 - Vorrichtung zur Abbremsung eines von zwei gegenläufigen, doppeltwirkenden Hydraulikzylindern hin- und herverschwenkbaren Körpers in dessen Endlagen - Google Patents

Vorrichtung zur Abbremsung eines von zwei gegenläufigen, doppeltwirkenden Hydraulikzylindern hin- und herverschwenkbaren Körpers in dessen Endlagen

Info

Publication number
DE2326382C3
DE2326382C3 DE19732326382 DE2326382A DE2326382C3 DE 2326382 C3 DE2326382 C3 DE 2326382C3 DE 19732326382 DE19732326382 DE 19732326382 DE 2326382 A DE2326382 A DE 2326382A DE 2326382 C3 DE2326382 C3 DE 2326382C3
Authority
DE
Germany
Prior art keywords
cylinder
damping arrangement
hydraulic cylinders
braking
pressure medium
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
Application number
DE19732326382
Other languages
German (de)
English (en)
Other versions
DE2326382B2 (de
DE2326382A1 (de
Inventor
Bengt-Erik Eskilstuna Erikson
Thore Einar Ystad Lundgren
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.)
Volvo Construction Equipment AB
Original Assignee
Volvo BM AB
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 Volvo BM AB filed Critical Volvo BM AB
Publication of DE2326382A1 publication Critical patent/DE2326382A1/de
Publication of DE2326382B2 publication Critical patent/DE2326382B2/de
Application granted granted Critical
Publication of DE2326382C3 publication Critical patent/DE2326382C3/de
Expired 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
    • E02F9/2207—Arrangements for controlling the attitude of actuators, e.g. speed, floating function for reducing or compensating oscillations
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
    • E02F3/382—Connections to the frame; Supports for booms or arms
    • E02F3/384—Connections to the frame; Supports for booms or arms the boom being pivotable relative to the frame about a vertical axis
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/20—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Braking Arrangements (AREA)
  • Actuator (AREA)
DE19732326382 1972-05-31 1973-05-24 Vorrichtung zur Abbremsung eines von zwei gegenläufigen, doppeltwirkenden Hydraulikzylindern hin- und herverschwenkbaren Körpers in dessen Endlagen Expired DE2326382C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE712972A SE363368B (show.php) 1972-05-31 1972-05-31

Publications (3)

Publication Number Publication Date
DE2326382A1 DE2326382A1 (de) 1973-12-13
DE2326382B2 DE2326382B2 (de) 1978-02-23
DE2326382C3 true DE2326382C3 (de) 1978-10-26

Family

ID=20270490

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732326382 Expired DE2326382C3 (de) 1972-05-31 1973-05-24 Vorrichtung zur Abbremsung eines von zwei gegenläufigen, doppeltwirkenden Hydraulikzylindern hin- und herverschwenkbaren Körpers in dessen Endlagen

Country Status (4)

Country Link
DE (1) DE2326382C3 (show.php)
FR (1) FR2186578B1 (show.php)
GB (1) GB1377726A (show.php)
SE (1) SE363368B (show.php)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU502182B2 (en) * 1975-03-17 1979-07-19 Massey-Ferguson Inc Hydraulic swing mechanism
FR2395412A1 (fr) * 1977-06-23 1979-01-19 Poclain Sa Dispositif d'arret automatique de la rotation d'un moteur hydraulique
US4201509A (en) * 1978-10-04 1980-05-06 Ford Motor Company Backhoe swing cylinder hydraulic circuit
US9623717B1 (en) * 2015-10-13 2017-04-18 Deere & Company Work vehicles with cylinder cushioning arrangement

Also Published As

Publication number Publication date
SE363368B (show.php) 1974-01-14
DE2326382B2 (de) 1978-02-23
DE2326382A1 (de) 1973-12-13
FR2186578A1 (show.php) 1974-01-11
GB1377726A (en) 1974-12-18
FR2186578B1 (show.php) 1976-04-23

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
EHJ Ceased/non-payment of the annual fee