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EP1026324A2 - Finisseuse vibrante - Google Patents

Finisseuse vibrante Download PDF

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Publication number
EP1026324A2
EP1026324A2 EP00101625A EP00101625A EP1026324A2 EP 1026324 A2 EP1026324 A2 EP 1026324A2 EP 00101625 A EP00101625 A EP 00101625A EP 00101625 A EP00101625 A EP 00101625A EP 1026324 A2 EP1026324 A2 EP 1026324A2
Authority
EP
European Patent Office
Prior art keywords
machine
screw feeders
bitumen aggregate
bitumen
transmission unit
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
EP00101625A
Other languages
German (de)
English (en)
Other versions
EP1026324B1 (fr
EP1026324A3 (fr
Inventor
Romolo Bitelli
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 Paving Products Inc
Original Assignee
Bitelli SpA
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 Bitelli SpA filed Critical Bitelli SpA
Publication of EP1026324A2 publication Critical patent/EP1026324A2/fr
Publication of EP1026324A3 publication Critical patent/EP1026324A3/fr
Application granted granted Critical
Publication of EP1026324B1 publication Critical patent/EP1026324B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22Machines, 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
    • E01C19/30Tamping or vibrating apparatus other than rollers ; Devices for ramming individual paving elements
    • E01C19/34Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight
    • E01C19/40Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight adapted to impart a smooth finish to the paving, e.g. tamping or vibrating finishers
    • E01C19/405Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight adapted to impart a smooth finish to the paving, e.g. tamping or vibrating finishers with spreading-out, levelling or smoothing means other than the tamping or vibrating means for compacting or smoothing, e.g. with screws for spreading-out the previously dumped material, with non-vibratory lengthwise reciprocated smoothing beam

Definitions

  • vibratory finishing machines which basically consist of a frame shaped to provide a drivers cab and which houses the means of traction of the machine itself.
  • the frame also holds a hopper with mobile walls containing the hot bitumen aggregate that, when retrieved by a conveyor belt, is deposited on the surface being asphalted.
  • bitumen aggregate is then uniformly spread onto the surface being asphalted by the action of a pair of screw feeders standing side by side and set crossways to the machine's direction of travel and rotated by a transmission unit that connects them next to the machine's centreline.
  • bitumen aggregate While the bitumen aggregate is still hot it is uniformly spread over the road surface being asphalted and then compacted by the action of a device called a "vibrating compactor" set behind the screw feeders with respect to the machine's direction of travel.
  • the vibratory compactor comprises a plowshare consisting of a plate having a primarily longitudinal direction, set perpendicular to the surface being asphalted and crossways to the machine's direction of travel.
  • the plowshare spreads the bitumen aggregate distributed by the screw feeders thereby preparing it for compacting by a beam, which is also set crossways to the machine's direction of travel and made to oscillate vertically by a device connected to it.
  • the main inconvenience of the machine described above is that the flow of bitumen aggregate transported by the conveyor belt engulfs the space between the screw feeders and the plowshare creating a build up of bitumen aggregate against the transmission unit which leads to an uneven distribution of the bitumen aggregate on the road course, thereby requiring additional finishing by hand.
  • bitumen aggregate tends to cool and thereby consolidates, hampering the uniform distribution of bitumen aggregate on the surface being asphalted. This makes it necessary to remove the consolidated bitumen aggregate, which has to be carried out periodically by an operator who has to follow the machine throughout the work cycle.
  • the main scope of the finding is to produce a machine that allows to deposit the bitumen coarse in an even, uniform manner over the whole surface being treated.
  • a scope is to produce a machine that eliminates the build-up of hot bitumen aggregate and its consequent cooling.
  • Another scope is to produce a machine that does not require the intervention of operators during the work cycle.
  • a self-propelled vibratory finishing machine for asphalting road surfaces that in accordance with the main claim comprises a frame, housing a means of traction, which is shaped to provide a drivers cab and that supports:
  • An advantage of the finding is that it allows a uniform distribution of the bitumen aggregate deposited on the surface being asphalted.
  • Another advantage of the finding is that it allows a vibratory finishing machine to be produced that does not require periodical servicing by operators to guarantee an even deposit of bitumen aggregate.
  • It essentially comprises a frame 2, which is shaped to provide a drivers cab 3 and that houses the machine's means of traction.
  • the frame 2 also supports storage means consisting of a mobile walled hopper 4 containing the hot bitumen aggregate B that is retrieved by a conveyor belt, not illustrated, to be deposited on the surface being asphalted 5.
  • the deposited aggregate B is then uniformly distributed onto the surface being asphalted 5 by the action of a pair of screw feeders 6 standing side by side, set to the rear of the machine 1 and crossways to the direction of travel 7 of the machine 1, moved by a transmission unit 8, illustrated in detail in fig.'s 2 and 3, that connects them next to the machine's centreline 1.
  • bitumen aggregate B is then compacted by a device, called a vibratory compactor generally indicated by 9 in fig. 1, set behind the screw feeders 6, with respect to the direction of travel 7 of the machine 1.
  • the vibratory compactor 9 comprises a plowshare consisting of a plate 10 having a primarily longitudinal direction set perpendicular to the surface 5 being asphalted and crossways to the direction of travel 7 of the machine 1.
  • the plowshare spreads the bitumen aggregate B distributed by the screw feeders 6 and prepares it for compacting by an oscillating beam 11, also mounted crossways to the direction of travel 7 of the machine 1, made to oscillate vertically by a device connected to it and not illustrated.
  • the finding prescribes that the transmission unit 8 is connected, next to the screw feeders 6, to a flow divider device 12 having a basically prismatic form and symmetrical around an axis 17, as illustrated in fig. 4, having surfaces 13 and 14, 15 and 16 converging towards the symmetrical axis 17 so that a top cutting edge 18 and bottom cutting edge 19 are created.
  • a plate 21, connected to the flow divider device 12, having a series of through holes 22 enables it, by a means of fixing such as screws or similar not illustrated, to be applied to the transmission unit 8.
  • bitumen aggregate B that is transported by the conveyor belt 20, as can be seen in detail in fig. 3, falls by gravity towards the surface being asphalted 5, and encounters the top culling edge 18 and surfaces 13 and 14 which prevent any build ups and aid the flow of bitumen aggregate B towards the screw feeders 6.
  • bitumen aggregate B around the transmission unit 6 caused by the machine's travel 1 is prevented in a similar manner by the action of surfaces 15, 16 and the bottom cutting edge 19.
  • bitumen aggregate never encounters blind zones where it may settle, cool and consolidate, since it is continuously directed in motion, by the combined action of gravity and the machine's travel 1, towards the screw feeders 6, which by rotating spread the bitumen aggregate B sideways.
  • the flow divider device may take on any form, having curved surfaces and more, so long as the shape and position are such that the deposited bitumen aggregate is kept mixed.
  • any quantity of these flow divider devices may be mounted on the machine as their size may differ.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Machines (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Road Repair (AREA)
  • Working-Up Tar And Pitch (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
EP00101625A 1999-02-01 2000-01-28 Finisseuse vibrante Expired - Lifetime EP1026324B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT1999VI000006U IT248739Y1 (it) 1999-02-01 1999-02-01 Macchina vibrofinitrice.
ITVI990006U 1999-02-01

Publications (3)

Publication Number Publication Date
EP1026324A2 true EP1026324A2 (fr) 2000-08-09
EP1026324A3 EP1026324A3 (fr) 2001-12-12
EP1026324B1 EP1026324B1 (fr) 2005-11-09

Family

ID=11426887

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00101625A Expired - Lifetime EP1026324B1 (fr) 1999-02-01 2000-01-28 Finisseuse vibrante

Country Status (4)

Country Link
EP (1) EP1026324B1 (fr)
AT (1) ATE309415T1 (fr)
DE (1) DE60023767T2 (fr)
IT (1) IT248739Y1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013177915A1 (fr) * 2012-05-29 2013-12-05 湖南三一智能控制设备有限公司 Poutre de compaction pour table, table, et bétonnière
WO2015058515A1 (fr) * 2013-10-21 2015-04-30 戴纳派克(中国)压实摊铺设备有限公司 Distributeur à tarières et finisseuse anti-ségrégation

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110700039B (zh) * 2019-11-14 2024-09-24 中交一公局集团有限公司 一种碎石表面化学浆液处理装置及方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5232305A (en) * 1991-05-15 1993-08-03 Caterpillar Paving Products Inc. Paving material distribution system
US5531542A (en) * 1994-11-14 1996-07-02 Ingersoll-Rand Company Dual auger/conveyor drive for a paver

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013177915A1 (fr) * 2012-05-29 2013-12-05 湖南三一智能控制设备有限公司 Poutre de compaction pour table, table, et bétonnière
WO2015058515A1 (fr) * 2013-10-21 2015-04-30 戴纳派克(中国)压实摊铺设备有限公司 Distributeur à tarières et finisseuse anti-ségrégation
EP3061868A4 (fr) * 2013-10-21 2018-04-04 Dynapac (China) Compaction & Paving Equipment Co. Ltd. Distributeur à tarières et finisseuse anti-ségrégation

Also Published As

Publication number Publication date
DE60023767T2 (de) 2006-07-27
EP1026324B1 (fr) 2005-11-09
IT248739Y1 (it) 2003-02-12
ATE309415T1 (de) 2005-11-15
EP1026324A3 (fr) 2001-12-12
ITVI990006U1 (it) 2000-08-01
DE60023767D1 (de) 2005-12-15

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