FR2520816B1 - Dispositif intercale dans un circuit hydraulique et comportant un commutateur de securite - Google Patents

Dispositif intercale dans un circuit hydraulique et comportant un commutateur de securite

Info

Publication number
FR2520816B1
FR2520816B1 FR838301434A FR8301434A FR2520816B1 FR 2520816 B1 FR2520816 B1 FR 2520816B1 FR 838301434 A FR838301434 A FR 838301434A FR 8301434 A FR8301434 A FR 8301434A FR 2520816 B1 FR2520816 B1 FR 2520816B1
Authority
FR
France
Prior art keywords
intercal
hydraulic circuit
safety switch
safety
switch
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
FR838301434A
Other languages
English (en)
French (fr)
Other versions
FR2520816A1 (fr
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.)
CNH Industrial Baumaschinen GmbH
Original Assignee
O&K Orenstein and Koppel GmbH
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 O&K Orenstein and Koppel GmbH filed Critical O&K Orenstein and Koppel GmbH
Publication of FR2520816A1 publication Critical patent/FR2520816A1/fr
Application granted granted Critical
Publication of FR2520816B1 publication Critical patent/FR2520816B1/fr
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
    • E02F9/24—Safety devices, e.g. for preventing overload
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B13/0422—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with manually-operated pilot valves, e.g. joysticks
    • 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
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)
  • Operation Control Of Excavators (AREA)
FR838301434A 1982-02-02 1983-01-31 Dispositif intercale dans un circuit hydraulique et comportant un commutateur de securite Expired FR2520816B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3203432A DE3203432C2 (de) 1982-02-02 1982-02-02 Handbedienbares, wegeabhängig arbeitendes Vorschaltsteuergerät auf dem Führerstand einer Baumaschine

Publications (2)

Publication Number Publication Date
FR2520816A1 FR2520816A1 (fr) 1983-08-05
FR2520816B1 true FR2520816B1 (fr) 1985-07-26

Family

ID=6154560

Family Applications (1)

Application Number Title Priority Date Filing Date
FR838301434A Expired FR2520816B1 (fr) 1982-02-02 1983-01-31 Dispositif intercale dans un circuit hydraulique et comportant un commutateur de securite

Country Status (5)

Country Link
JP (1) JPS58134209A (de)
DE (1) DE3203432C2 (de)
FR (1) FR2520816B1 (de)
GB (1) GB2118276B (de)
IT (1) IT1164606B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4001681C1 (de) * 1990-01-22 1990-12-20 Wirth Maschinen- Und Bohrgeraete-Fabrik Gmbh, 5140 Erkelenz, De

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB689796A (en) * 1950-06-30 1953-04-08 Charles Bernard Marshall Improvements in or relating to hydraulic stop valves
US3183977A (en) * 1962-12-03 1965-05-18 Allis Chalmers Mfg Co Tractor power lift system
JPS50137494U (de) * 1974-04-27 1975-11-12
US3960059A (en) * 1974-12-09 1976-06-01 Caterpillar Tractor Co. Fast exhaust circuit for hydraulic jacks
FR2357764A1 (fr) * 1976-07-06 1978-02-03 Poclain Sa Dispositif de commande d'au moins deux organes moteurs a fluide
DE2649793C2 (de) * 1976-10-29 1983-09-08 Hartmann & Lämmle GmbH & Co KG, 7255 Rutesheim Sicherheitssteuerung für eine hydraulisch betätigbare Presse

Also Published As

Publication number Publication date
DE3203432C2 (de) 1985-02-14
JPS58134209A (ja) 1983-08-10
JPH0366526B2 (de) 1991-10-17
GB8302447D0 (en) 1983-03-02
IT8347642A0 (it) 1983-02-01
DE3203432A1 (de) 1983-08-11
IT1164606B (it) 1987-04-15
GB2118276A (en) 1983-10-26
FR2520816A1 (fr) 1983-08-05
GB2118276B (en) 1985-06-19

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Legal Events

Date Code Title Description
ST Notification of lapse