EP0566752A1 - Poutre de dépolissage extensible - Google Patents

Poutre de dépolissage extensible Download PDF

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Publication number
EP0566752A1
EP0566752A1 EP92105226A EP92105226A EP0566752A1 EP 0566752 A1 EP0566752 A1 EP 0566752A1 EP 92105226 A EP92105226 A EP 92105226A EP 92105226 A EP92105226 A EP 92105226A EP 0566752 A1 EP0566752 A1 EP 0566752A1
Authority
EP
European Patent Office
Prior art keywords
roughening
elements
pull
torque support
screed according
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
EP92105226A
Other languages
German (de)
English (en)
Other versions
EP0566752B1 (fr
Inventor
Roland Dipl.-Ing. Grundl
Erich Resch
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.)
Joseph Voegele AG
Original Assignee
Joseph Voegele AG
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 Joseph Voegele AG filed Critical Joseph Voegele AG
Priority to AT92105226T priority Critical patent/ATE119600T1/de
Priority to DE59201615T priority patent/DE59201615D1/de
Priority to EP92105226A priority patent/EP0566752B1/fr
Priority to JP5065551A priority patent/JP2554830B2/ja
Publication of EP0566752A1 publication Critical patent/EP0566752A1/fr
Application granted granted Critical
Publication of EP0566752B1 publication Critical patent/EP0566752B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/26—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by impact tools, e.g. by chisels or other tools having a cutting edge
    • B28D1/265—Scabbling machines or scabbling tools
    • 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
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • E01C23/08—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
    • E01C23/085—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades using power-driven tools, e.g. vibratory tools
    • E01C23/0855—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades using power-driven tools, e.g. vibratory tools moved rectilinearly, e.g. scabblers

Definitions

  • the invention relates to a roughening screed of the type specified in the preamble of claim 1.
  • the two scraper parts are supported on the central part forming a screed main body so as to be displaceable transversely to the towing direction.
  • the entire width of the middle section is also equipped with roughening elements and threshold force impulses.
  • a transverse drive device sets both the central part and the two pull-out parts in oscillating transverse movements when the roughening elements are working. Since both the roughening elements of the middle part and the roughening elements of the pull-out parts act on the reaction forces from the threshold force impulses in the entire pull-out screed and the middle part behaves differently from the two pull-out parts, mechanical problems that impair functionality occur in the pull-out screed.
  • the invention has for its object to provide a roughening screed of the type mentioned, which is structurally simplified and in which mechanical problems affecting functionality are avoided.
  • the middle part serves only as a carrier and a drag part for the two pull-out parts which perform the roughening.
  • the middle section does not actively participate in roughening.
  • the two pull-out parts behave essentially the same when working for the middle part.
  • the construction of the extending screed is simplified. Mechanical and functional problems are avoided. A very stable and uniform support of the pull-out parts over the width of the central part can be achieved particularly advantageously.
  • the reaction forces are transferred directly to the central part, so that the desired effect, namely the introduction of higher pressure forces without the feared grain destruction into the ground and thereby stabilizing the roughening screed in the dynamic phase with almost infinite mass, occurs effectively. Since both pull-out parts are guided and supported in essentially the same way and also behave approximately the same when working, they can, if desired, also be moved back and forth without any problems.
  • the reaction forces in the middle part are introduced centrally into the guide elements, so that stable support conditions result. Torques occurring in the pull-out parts are absorbed by the guide elements and the torque support elements in the middle part.
  • the torques of the pull-out parts are reduced to a minimum because the reaction forces are practically introduced directly into the guide elements from below.
  • the embodiment according to claim 9 is advantageous.
  • the support members, which attack at points, cannot then be attached to the Clamp the torque support elements.
  • support members which engage flatly and are then structurally held in such a way that they do not jam when the pull-out parts and / or the middle part are twisted.
  • a particularly stable support is also achieved in the embodiment according to claim 11.
  • the reaction forces from the torques in one direction of rotation are introduced locally differently into the middle part than the reaction forces of the opposite torque.
  • the embodiment according to claim 12 is particularly advantageous, in which the larger reaction forces from the working of the roughening elements are supported with a larger moment arm than the smaller reaction forces occurring in the other direction due to the dead weight and, if appropriate, through relative movements between the pull-out parts and the middle part. Separating the support members for the two torque directions in the support device locally also brings simplifications in terms of assembly and construction.
  • the dimensional stability of the central part and the force absorption of the torque support elements are favorable if they are designed as square tubes or as square carriers. Digging or wear of the contact areas also does not take place in the case of support members lying in a point or line.
  • the forces occurring are special from the middle part easily taken in an embodiment according to claim 14. Furthermore, the middle part helps to add the necessary large mass, which is required for the smooth working of the roughening elements.
  • the oscillating movements of the carriers are generated directly on them. This leads to structural advantages and avoids undesirable large lever arms between the forces that have to be displaced by the beams and the forces with which the roughening elements are held back from the processed soil.
  • snake or zigzag grooves crossing each other are scored during the oscillating transverse movement, which is particularly important for water drainage on such a roughened roadway (reduction of the risk of aquaplaning).
  • the embodiment according to claim 16 is also structurally simple. When the working width is adjusted by pushing out one or both pull-out parts, either the abutments are implemented or the handlebars are coupled with suitable abutments.
  • the pull-out parts can be remotely adjusted to the respective working width.
  • the pull-out screed according to the invention works when roughening like the pull-out screed unit known from DE-OS 4 024 711. With regard to the function and the detailed structure, reference is therefore made here to the disclosure of this DE-OS 4 024 711.
  • a roughening screed V according to FIGS. 1 and 2 intended for attachment to a towing vehicle, in particular a road paver (not shown) is moved in the towing direction 1 over the floor G and processes the surface of the floor G with roughening elements 15.
  • the roughening elements 15 scratch in the direction of drag running grooves into the surface of the bottom G without breaking or loosening grains or components.
  • the floor G can be a road surface made of bituminous mix or concrete.
  • the roughening elements 15 are periodically acted upon by swelling force drives 14 with vertically downwardly acting swelling force impulses, wherein they lie on the floor before each application and do not have a hammering effect.
  • the roughening elements 15 are loaded by return springs 16 upwards.
  • the roughening elements 15 are arranged in a plurality of rows running transversely to the towing direction 1 and offset from one another in the towing direction 1. They can be operated individually or in groups. Optionally, some of the roughening elements 15 can remain unactuated.
  • the reaction forces from the threshold force pulses act vertically upwards and are supported on the large mass of the extending screed V above them, which acts as an infinitely large mass in the dynamic phase, ie as soon as the natural frequency of the large mass is exceeded, and allows each roughening element 15 to push down with a threshold force pulse, the force value of which is greater than the dead weight of the extending screed.
  • the extending screed has a dragged middle part M with side walls 2 and covers and stiffening plates 3, 4.
  • the central part M is box-shaped in shape and lies with its underside at a distance above the floor G.
  • two pull-out parts A and B are arranged at the same height and one behind the other in the towing direction 1 in such a way that they result from the in FIG Solid lines shown basic position for the narrowest working width L extend into the position shown in Fig. 3c for the largest working width L3.
  • the middle part M has a width of 2.5 m, for example. In the position according to FIG. 3c, the maximum working width L3 is reached, for which the two pull-out parts A, B are each extended by 625 mm.
  • Each pull-out part A, B has a support W1, W2 hanging underneath the central part M, which has two suspension parts 5, 6, 5 ', 6' on the round guide elements 9, 9 ', which are transverse in the central part M and have sliding and Rotary guides 7 are guided and supported.
  • the suspension parts 5, 6 are L-shaped in the sectional view of Fig. 1 and equipped with torque support devices 8, which are attached to the guide elements 9, 9 'parallel torque support elements 10, 10', preferably square tubes or square solid supports , support.
  • two support members 11 are mounted, which abut the top and bottom of the support element 10.
  • the support members 11 in Fig. 1 are rollers which are supported with a line contact and are easily rotatably supported.
  • the carriers W1, W2 have a solid plate 12 on the top, in which the threshold force pulse drives 14 are fixed.
  • reinforcement and guide elements 13 are arranged on the plate 12, which guide the roughening elements 15 and on the transverse and other Avoid evasive movements, but ensure their vertical mobility.
  • a transverse drive device Q is provided, with which both pull-out parts A, B can oscillate back and forth transversely to the towing direction are.
  • a link 18 is pivotally articulated on each abutment 17 and is supported on an eccentric pin 24a or 24b of an eccentric shaft 23.
  • the eccentric shaft 23 is rotatably fixed with bearings 22 in the central part M and carries a drive wheel 21 which is connected via a chain 20 to a drive wheel 19a of a drive motor 19.
  • the pull-out parts A, B are reciprocated either in opposite directions or in the same direction, oscillating along the guide elements 9, 9 'and the supporting elements 10, 10'.
  • a sliding drive 29 for each pull-out part A, B is indicated schematically, with which the pull-out parts A, B can be adjusted to the desired working width or also retracted.
  • the sliding guides 7 and the torque support devices 8 are indicated in the position for the smallest working width L, in dashed lines, however, in the position for the largest working width L3.
  • a plurality of anchoring points 26 are provided for the abutments 17 on the fittings 25 of the two supports W1, W2, which overlap in a central region both in the position for the smallest working width and in the position for the largest working width.
  • the abutments 17 are changed accordingly. It would also be conceivable to arrange a plurality of abutments 17 on each carrier and to couple the links 18 accordingly if the working width is adjusted. It is also conceivable to also automatically adjust the abutments when adjusting the working width.
  • the double arrow 27 indicates how the two pull-out parts A, B move back and forth periodically when the roughening elements work. Part of the roughening elements is expediently switched off in order not to work twice in the overlap region.
  • the dimensions L, L1, L2 and L3 indicate different working widths.
  • two torque support elements 10a, 10b are provided in the middle part.
  • the torque support device 8 is supported in the direction of rotation of the suspension parts 5, 6 counterclockwise around the guide element 9 with the support member 11 'on the support element 10a, while it is supported in the opposite direction with the support member 11a on the support element 10b.
  • the effective support lever arm of the support member 11 ' is larger than the effective support lever arm of the support member 11a.
  • the carrier W1 is attached to the suspension parts 5, 6 in such a way that the resulting reaction force R from the threshold force pulses for the roughening elements 15 is directed approximately vertically onto the axis of the guide element 9.
  • two torque support elements 10a and 10b are again provided, which are located in different height positions.
  • the torque support device 8 is supported in one direction of rotation around the guide element 9 on a support element 10a or 10b with a support member 11 'or 11a.
  • the contact areas between the support members 11 ', 11a and the support elements 10a, 10b are approximately at the same height as the axis of the guide element 9.
  • the support members 11', 11a can be in contact with one another and can be designed as sliding blocks or sliding pads, which is expediently so are held so that they do not jam on the support elements when the pull-out parts A, B and / or the central part M are twisted. 5, a releasable fastening 30 can be provided for the support member 11a.
  • the pull-out roughening screed V according to FIGS. 1 to 5 can expediently be attached directly to the outriggers usually provided in a road paver for mounting a screed instead of the screed.
  • the individual drives of the pull-out screed are compatible with the energy and power supply of the paver. But it would also be conceivable to arrange a separate drive source in the roughening screed, which supplies the drives of the screed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Machines (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
EP92105226A 1992-03-26 1992-03-26 Poutre de dépolissage extensible Expired - Lifetime EP0566752B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT92105226T ATE119600T1 (de) 1992-03-26 1992-03-26 Aufrauh-ausziehbohle.
DE59201615T DE59201615D1 (de) 1992-03-26 1992-03-26 Aufrauh-Ausziehbohle.
EP92105226A EP0566752B1 (fr) 1992-03-26 1992-03-26 Poutre de dépolissage extensible
JP5065551A JP2554830B2 (ja) 1992-03-26 1993-03-24 延出可能粗仕上げスクリード

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP92105226A EP0566752B1 (fr) 1992-03-26 1992-03-26 Poutre de dépolissage extensible

Publications (2)

Publication Number Publication Date
EP0566752A1 true EP0566752A1 (fr) 1993-10-27
EP0566752B1 EP0566752B1 (fr) 1995-03-08

Family

ID=8209471

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92105226A Expired - Lifetime EP0566752B1 (fr) 1992-03-26 1992-03-26 Poutre de dépolissage extensible

Country Status (4)

Country Link
EP (1) EP0566752B1 (fr)
JP (1) JP2554830B2 (fr)
AT (1) ATE119600T1 (fr)
DE (1) DE59201615D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113356066A (zh) * 2021-06-11 2021-09-07 中交一公局厦门检测技术有限公司 一种钢桥面铺装uhpc的快速高效施工工艺

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111791377B (zh) * 2020-05-25 2022-01-18 浙江交工集团股份有限公司 一种用于预制立柱的自动凿毛装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2555218A1 (de) * 1975-12-09 1977-06-23 Voegele Ag J Strassenfertiger zum einbau von fahrbahndecken
CA1139975A (fr) * 1978-02-21 1983-01-25 Ronald A.W. Clarke Engin mobile pour le rainurage des surfaces de voies carrossables
EP0418105A1 (fr) * 1989-09-15 1991-03-20 Screg Routes Et Travaux Publics Table de compactage et de finissage d'un revêtement routier à largeur de travail réglable comportant des moyens de répandage de liant liquide
DE4024711A1 (de) * 1990-08-03 1992-02-13 Joseph Voegele Ag Verfahren und vorrichtung zum aufrauhen glatter fahrbahndecken

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5830815U (ja) * 1981-08-25 1983-02-28 日産自動車株式会社 車両用多重用表示計

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2555218A1 (de) * 1975-12-09 1977-06-23 Voegele Ag J Strassenfertiger zum einbau von fahrbahndecken
CA1139975A (fr) * 1978-02-21 1983-01-25 Ronald A.W. Clarke Engin mobile pour le rainurage des surfaces de voies carrossables
EP0418105A1 (fr) * 1989-09-15 1991-03-20 Screg Routes Et Travaux Publics Table de compactage et de finissage d'un revêtement routier à largeur de travail réglable comportant des moyens de répandage de liant liquide
DE4024711A1 (de) * 1990-08-03 1992-02-13 Joseph Voegele Ag Verfahren und vorrichtung zum aufrauhen glatter fahrbahndecken

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113356066A (zh) * 2021-06-11 2021-09-07 中交一公局厦门检测技术有限公司 一种钢桥面铺装uhpc的快速高效施工工艺

Also Published As

Publication number Publication date
EP0566752B1 (fr) 1995-03-08
DE59201615D1 (de) 1995-04-13
ATE119600T1 (de) 1995-03-15
JP2554830B2 (ja) 1996-11-20
JPH0693602A (ja) 1994-04-05

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