EP0109639A1 - Strassenfertiger mit einer verbesserten Abstreichbohle - Google Patents

Strassenfertiger mit einer verbesserten Abstreichbohle Download PDF

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Publication number
EP0109639A1
EP0109639A1 EP83111356A EP83111356A EP0109639A1 EP 0109639 A1 EP0109639 A1 EP 0109639A1 EP 83111356 A EP83111356 A EP 83111356A EP 83111356 A EP83111356 A EP 83111356A EP 0109639 A1 EP0109639 A1 EP 0109639A1
Authority
EP
European Patent Office
Prior art keywords
extensible
preloading
elements
corner
road finisher
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.)
Granted
Application number
EP83111356A
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English (en)
French (fr)
Other versions
EP0109639B1 (de
Inventor
Domenico Domenighetti
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0109639A1 publication Critical patent/EP0109639A1/de
Application granted granted Critical
Publication of EP0109639B1 publication Critical patent/EP0109639B1/de
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
    • E01C19/42—Machines for imparting a smooth finish to freshly-laid paving courses other than by rolling, tamping or vibrating
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C2301/00—Machine characteristics, parts or accessories not otherwise provided for
    • E01C2301/14—Extendable screeds
    • E01C2301/16—Laterally slidable screeds

Definitions

  • Finishers for laying bituminous mixes or conglomerates are generally distinghished by two important parts, namely a drawing part (tractor) and a part effecting the actual work of laying, levelling, thickening and the like for the mix or conglomerate on the roadway.
  • This last unit commonly referred to as “smoother”, consists of an apparatus that by the time has become highly complex and articulated.
  • the most recent embodiments provide a smoother comprising four distinct elements; the two central ones are articulated to each . other with adjusting means defining their inclination.
  • Each of these central elements have mounted thereon an element nearly as long as the two central elements, which can slide outwardly and horizontally driven by hydraulic pistons.
  • This smoother is generally referred to as "integrated smoother”.
  • the extensibility advantage of the two outer elements allows a laying width variable without discontinuity.
  • the sliding fastening means of the extensible elements to the central elements may widely vary depending on the models and brands of the finishers.
  • the compliance with said characteristics is very important as the resulting surface of the laid bituminous mix or conglcmerate is function of the shape of the smoother, and particularly of its lower face.
  • the torsional deformation which occurs particularly on the extensible elements.
  • the latter should be constructed as light as possible, but having a parallelepiped shape, they cannot have a sufficiently rigid structure to withstand torsional strains.
  • the extensible element is subjected to different and differently distributed reactive forces.
  • the extensible element will unavoidably change its own elastic deformation.
  • the most serious elastic deformation of the extensible elements is that tending to give a helical shape to the extensible element.
  • the present invention solves this problem by introducing an adjusting element in the form of a tie rod-strut member of adjustable length, diagonally mounted on one of the parallelepiped faces of the extensible element, which faces are perpendicular to the operating direction of the finishing machine.
  • the running direction for the finishing machine during operation is shown by arrow Y.
  • Numeral 1 designates the extensible part of the smoother and numeral 2 designates the right-hand fixed central element, which in Fig. 2 has been shown as partially cut away so that the inner structure can be more clearly understood.
  • This part of the smoother comprises a frame 3 carrying the bushes or sleeves 4 and 5 allowing the transverse sliding of the extensible element 1 in the cylindrical guides 6 and 7 laterally rightward and leftward .projecting, when required, for varying the laying width.
  • the extensible element 1 is hydraulically controlled by means of a stem 8 and has the schematic shape of a parallelepiped defined by corners A, B, C, D, E, F, G and H.
  • the above mentioned guides 6 and 7 are mounted integral with the inner surface of wall BC-FE. Said face has mounted thereon the end of said stem 8 of the hydraulic actuator causing the extensible element 1 to slide relative to the fixed central element 2.
  • the rear (open) face A, B, C, D of the extensible element 1 is perpendicular to the feeding direction Y of the machine.
  • this face of rectangular shape has mounted thereon at diagonal position relative to the face between the corners B and D a tie rod-strut member of adjustable length.
  • a tie rod-strut member 18 is mounted along the inclined diagonal B-D, .
  • this member 18 canprising a rugged screw 10, the lower end of which is secured by an eyelet 11 and associated pin 11 (Fig. 3) adjacent to the corner D, and at the upper end from cylinder 9 terminating on the corner B, mounted through a spigot 12 welded onto a ring 13, rotatable about pin 13' adjacent to said corner D and near the upper wall of cylinder 9 has a nut screw thread 9' in which said rugged screw 10 rotatably engages.
  • the hollow cylinder 9 provided with inner nut thread 9' can rotate about its own axis and through this rotation will move on the thread of the rugged screw 10. Rotation is practically controlled by the operation of an adjustable spanner engaged on the faceted zone 14 of cylinder 9, while the lock nut 15, idly rotatable on the thread of screw 10, is used to lock the desired length of the rodstrut assembly 18, upon adjustement, in order to prevent any deformation of the extensible element 1 during operation. Adjustement will be effected by the operator controlling the finishing machine operation, according to requirements due to quality and amount of material to be laid, that is according to thickness, mix or conglomerate temperature and ambient air.
  • Said assembly 18 (Fig. 3) comprising said rugged screw 10, along with its ring 11 and 11', and cylinder 9 provided with inner nut thread 9' for coupling with said screw 10, is mounted on the extensible element 1 at the corner B thereof by means of said spigot 12, (Fig, 3') ring 13 and pin 13'.
  • This assembly makes up that adjustable torsional preloading tie rod-strut mechanism, performing the task of contrasting the thrust acting on the extensible element 1, due to the material to be laid on the ground as road blanket 16, thrust which would tend to deform the parallelepiped A, B, C, D, E, F, G and H of the extensible element 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Machines (AREA)
EP19830111356 1982-11-16 1983-11-14 Strassenfertiger mit einer verbesserten Abstreichbohle Expired EP0109639B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH6661/82 1982-11-16
CH666182A CH657168A5 (it) 1982-11-16 1982-11-16 Finitrice di manto stradale con rasatore munito di elementi laterali estensibili che consentono l'allargamento del manto da stendere sul terreno.

Publications (2)

Publication Number Publication Date
EP0109639A1 true EP0109639A1 (de) 1984-05-30
EP0109639B1 EP0109639B1 (de) 1987-07-15

Family

ID=4313058

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19830111356 Expired EP0109639B1 (de) 1982-11-16 1983-11-14 Strassenfertiger mit einer verbesserten Abstreichbohle

Country Status (3)

Country Link
EP (1) EP0109639B1 (de)
CH (1) CH657168A5 (de)
DE (1) DE3372510D1 (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4678365A (en) * 1986-01-24 1987-07-07 Tricon Industries Material spreader
EP0367894A1 (de) * 1988-11-10 1990-05-16 ABG-WERKE GmbH Einbaubohle für einen Strassenfertiger
EP0367893A1 (de) * 1988-11-10 1990-05-16 ABG-WERKE GmbH Einbaubohle für einen Strassenfertiger
EP0369095A1 (de) * 1988-11-10 1990-05-23 ABG-WERKE GmbH Einbaubohle für einen Strassenfertiger
EP0908562A1 (de) * 1997-10-10 1999-04-14 Niarb S.A. Strassendeckenfertiger für Asphalt mit ausziehbarer Bohle
US8405693B2 (en) * 2007-12-17 2013-03-26 Francotyp-Postalia Gmbh Transport apparatus for flat materials to be printed
WO2017001388A1 (de) * 2015-07-01 2017-01-05 Ammann Schweiz Ag Einbaubohle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB886853A (en) * 1960-08-09 1962-01-10 William Charles Blatchford Screed structure
US3907451A (en) * 1974-01-28 1975-09-23 Lay Mor Manufacturing Company Extensible screed and auger assembly for a road paving machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB886853A (en) * 1960-08-09 1962-01-10 William Charles Blatchford Screed structure
US3907451A (en) * 1974-01-28 1975-09-23 Lay Mor Manufacturing Company Extensible screed and auger assembly for a road paving machine

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4678365A (en) * 1986-01-24 1987-07-07 Tricon Industries Material spreader
EP0367894A1 (de) * 1988-11-10 1990-05-16 ABG-WERKE GmbH Einbaubohle für einen Strassenfertiger
EP0367893A1 (de) * 1988-11-10 1990-05-16 ABG-WERKE GmbH Einbaubohle für einen Strassenfertiger
EP0369095A1 (de) * 1988-11-10 1990-05-23 ABG-WERKE GmbH Einbaubohle für einen Strassenfertiger
EP0908562A1 (de) * 1997-10-10 1999-04-14 Niarb S.A. Strassendeckenfertiger für Asphalt mit ausziehbarer Bohle
US8405693B2 (en) * 2007-12-17 2013-03-26 Francotyp-Postalia Gmbh Transport apparatus for flat materials to be printed
WO2017001388A1 (de) * 2015-07-01 2017-01-05 Ammann Schweiz Ag Einbaubohle

Also Published As

Publication number Publication date
CH657168A5 (it) 1986-08-15
DE3372510D1 (en) 1987-08-20
EP0109639B1 (de) 1987-07-15

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