SE9201514L - DEVICE AT MACHINERY - Google Patents

DEVICE AT MACHINERY

Info

Publication number
SE9201514L
SE9201514L SE9201514A SE9201514A SE9201514L SE 9201514 L SE9201514 L SE 9201514L SE 9201514 A SE9201514 A SE 9201514A SE 9201514 A SE9201514 A SE 9201514A SE 9201514 L SE9201514 L SE 9201514L
Authority
SE
Sweden
Prior art keywords
row
gravelled
blade
spreading
intended
Prior art date
Application number
SE9201514A
Other languages
Swedish (sv)
Other versions
SE9201514D0 (en
Inventor
B Persson
Original Assignee
Maehler & Soener
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 Maehler & Soener filed Critical Maehler & Soener
Publication of SE9201514D0 publication Critical patent/SE9201514D0/en
Publication of SE9201514L publication Critical patent/SE9201514L/en

Links

Classifications

    • 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
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/80—Component parts
    • E02F3/84—Drives or control devices therefor, e.g. hydraulic drive systems
    • E02F3/844—Drives or control devices therefor, e.g. hydraulic drive systems for positioning the blade, e.g. hydraulically
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Road Paving Machines (AREA)

Abstract

This invention relates to an apparatus for motor-driven machines, intended for levelling of gravelled roads and comprising a scraping blade which is intended to work the surface layer of the gravelled road so that a gravelled row is created, and a device for spreading the gravelled row, comprising a blade for spreading the gravelled row, which blade is intended to level out gravelled row created by the scraping blade, the scraping blade and the row spreading blade being adjustably arranged so that they can be raised or lowered in relation to the roadway. According to the invention the apparatus is so constructed that row spreading blade (13) is pivotable in the vertical plane, i.e. can pivot about an essentially horizontal axle. At least one sensor means (17) is arranged for detecting the material quantity of the gravelled row, this means in dependence upon the material quantity being intended to influence a first means (18), cooperating with the row spreading blade (13), for raising and lowering the same (13).
SE9201514A 1990-09-17 1992-05-13 DEVICE AT MACHINERY SE9201514L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9002954A SE9002954D0 (en) 1990-09-17 1990-09-17 DEVICE AT MACHINERY
PCT/SE1991/000616 WO1992005319A1 (en) 1990-09-17 1991-09-16 An apparatus for machines

Publications (2)

Publication Number Publication Date
SE9201514D0 SE9201514D0 (en) 1992-05-13
SE9201514L true SE9201514L (en) 1992-05-13

Family

ID=20380379

Family Applications (2)

Application Number Title Priority Date Filing Date
SE9002954A SE9002954D0 (en) 1990-09-17 1990-09-17 DEVICE AT MACHINERY
SE9201514A SE9201514L (en) 1990-09-17 1992-05-13 DEVICE AT MACHINERY

Family Applications Before (1)

Application Number Title Priority Date Filing Date
SE9002954A SE9002954D0 (en) 1990-09-17 1990-09-17 DEVICE AT MACHINERY

Country Status (2)

Country Link
SE (2) SE9002954D0 (en)
WO (1) WO1992005319A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1390066A (en) * 1971-03-17 1975-04-09 Grad Line Grader control
GB1372271A (en) * 1972-05-15 1974-10-30 Mcgregor Sons Ltd Robert Control device for an earth leveller
US4431060A (en) * 1981-04-15 1984-02-14 Caterpillar Tractor Co. Earth working machine and blade condition control system therefor

Also Published As

Publication number Publication date
SE9002954D0 (en) 1990-09-17
SE9201514D0 (en) 1992-05-13
WO1992005319A1 (en) 1992-04-02

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