EP2559531A2 - Vorrichtung und Ausrüstung zum Neuformen eines frischen, schlüpfförmigen Gussbetonprodukts - Google Patents

Vorrichtung und Ausrüstung zum Neuformen eines frischen, schlüpfförmigen Gussbetonprodukts Download PDF

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Publication number
EP2559531A2
EP2559531A2 EP12180354A EP12180354A EP2559531A2 EP 2559531 A2 EP2559531 A2 EP 2559531A2 EP 12180354 A EP12180354 A EP 12180354A EP 12180354 A EP12180354 A EP 12180354A EP 2559531 A2 EP2559531 A2 EP 2559531A2
Authority
EP
European Patent Office
Prior art keywords
digging
jaw
movable
fresh
concrete product
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
EP12180354A
Other languages
English (en)
French (fr)
Other versions
EP2559531A3 (de
EP2559531B1 (de
Inventor
Jani Eilola
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.)
Elematic Oyj
Original Assignee
Elematic Oyj
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Filing date
Publication date
Application filed by Elematic Oyj filed Critical Elematic Oyj
Publication of EP2559531A2 publication Critical patent/EP2559531A2/de
Publication of EP2559531A3 publication Critical patent/EP2559531A3/de
Application granted granted Critical
Publication of EP2559531B1 publication Critical patent/EP2559531B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/08Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/12Apparatus or processes for treating or working the shaped or preshaped articles for removing parts of the articles by cutting
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G15/00Forms or shutterings for making openings, cavities, slits, or channels

Definitions

  • the invention relates to a device for remolding a fresh, uncured concrete product, and to equipment provided with such a device. More precisely, the invention relates to a device and equipment for making apertures and holes in a fresh slipform cast concrete product.
  • slipform casting After slipform casting, the cast concrete products must often be remolded in many different ways to be suitable in their targets of usage, because a slipform cast product is a uniform, elongate piece, where the shape of the cross-section is defined according to the slipform casting mold proceeding along with the casting process. Regular finishing operations include making various allocations and holes in a fresh slipform cast concrete product for forming necessary lead-through holes etc.
  • the concrete mix used in slipform casting is fairly stiff, in order to allow the compacting means for compacting the concrete mix, provided in the slipform casting equipment, to achieve a sufficient compacting effect in the product formed in the slipform casting mold before the cast product is moved away from the effective area of the slipform casting machine, as the slipform casting process proceeds further.
  • slipform casting a fresh uncured concrete product is left to be cured on the casting bed without side walls or other support structures, in which case it must be sufficiently compact in order to be able to maintain its shape on the casting bed as the slipform casting process proceeds further.
  • the concrete mix of a slipform cast fresh concrete product is very compact, and thus fairly difficult to make holes in.
  • the reinforcing strands of slipform cast concrete products often obstruct the making of holes, because the reinforcing strands provided inside a concrete product should not be moved while making holes - otherwise the grip of the strands in the fresh concrete mix is weakened.
  • the holes and lead-throughs provided in slipform cast concrete products are made either manually or by a finishing machine designed for finishing a fresh, slipform cast concrete product.
  • Such finishing machines are typically provided with a ladle or a digging head, by which the machine makes holes and lead-throughs at predetermined spots of the cast concrete product.
  • Conventionally such digging heads comprise two jaws, of which the first jaw is stationary, and the second jaw is movable in relation to the stationary jaw, so that the tip of the movable jaw is in the digging process turned towards the stationary jaw for detaching compact concrete mix and for removing it from the hole to be made.
  • a problem with such conventional digging heads of regular finishing machines is that by using them, it is very difficult to make a lead-through in a slab so that no concrete mix is left on the bottom of the lead-through.
  • the reason for this is that the tip of the movable jaw makes a curved motion on the cross-sectional plane with respect to its fastening point, and thus it is not able to remove all concrete mix from the bottom of the created hole, particularly not from the area of the extreme ends of the motional reach of the jaw tip.
  • the two jaws of the digging head are attached to the support structure of the digging head in such a way that the movable jaw is attached to the support structure by intermediation of at least two articulated joints or shafts, in which case a lever arm structure is formed in between the movable digging jaw and the articulated joints or shafts of the support structure.
  • a lever arm structure is formed in between the movable digging jaw and the articulated joints or shafts of the support structure.
  • the amount of concrete mix left on the bottom of the created hole can be remarkably reduced, in which case there are not needed any separate means or measures for finishing the created hole.
  • the arrangement according to the invention enables the making of holes or hole allocations with flat bottoms, which has not been possible in the prior art solutions.
  • the arrangement according to the invention also enables the recycling of the concrete mix first cast in a slipform cast concrete product and then removed in the digging process by reusing it.
  • the fresh concrete mix removed from the concrete product by the digging equipment is conveyed from the digging equipment either to a concrete mix tank of the slipform casting machine, or to the concrete mix manufacturing process. Consequently, both economical and ecological savings are achieved.
  • the arrangement according to the invention also remarkably reduces manual labor required in the finishing process of slipform cast concrete products, which further reduces the manufacturing costs of the concrete products.
  • the device according to the invention is characterized by what is set forth in the characterizing part of claim 1, and the equipment according to the invention is characterized by what is set forth in the characterizing part of claim 5.
  • Figure 1 illustrates a digging head 1 according to the invention, including a support structure 2, a movable digging jaw 3, a stationary digging jaw 4 and a transfer mechanism 5 operating the movable digging jaw 3.
  • the second side plate of the support structure 2 of the digging head is removed in order to better illustrate the structure of the transfer mechanism 5.
  • the movable digging jaw 3 is attached to the side plates of the support structure 2 of the digging head 1 by intermediation of a transfer mechanism 5.
  • the transfer mechanism 5 includes two articulated shafts 6 and 7 (articulated shaft 7 is not illustrated in Figure 1 ) extending between the side plates of the support structure 2 and supported by the side plates, arms 8, 8' attached at one end to the articulated shafts 6 and 7; and at the opposite ends of the arms 8, 8' and 9, 9', articulated shafts 10 and 11 connecting the arms together and the movable digging jaw 3 to the structure.
  • the transfer mechanism 5 includes a hydraulic cylinder 12 for generating driving power for the movable digging jaw 3.
  • the digging head 1 When using the digging head 1, first the tips of the digging jaws 3 and 4 are immersed, in a position illustrated in Figure 2A , in a slipform cast fresh concrete product, at a desired depth, by pressing them for instance vertically downwards from the product surface level. When the digging jaws 3 and 4 are immersed at the desired depth inside the product, the immersing motion is stopped, and the movable digging jaw 3 is started to be shifted towards the stationary digging jaw 4 by the transfer mechanism 5, in accordance with Figure 2B .
  • the movable digging jaw 3 can at the finishing stage of the digging process be shifted to the position illustrated in Figure 2C , where the tip of the movable digging jaw 3 and the slanted edge are in contact with the stationary digging jaw 4, or placed in the immediate vicinity thereof.
  • the tip of the movable digging jaw 3 is during the whole shifting process of the movable digging jaw placed substantially on the same level, i.e. on the horizontal level.
  • all excess concrete mix can be effectively removed from the bottom of the created hole, so that the quality of the hole or aperture made by the digging head 1 is remarkably improved in comparison with the solutions of the prior art.
  • the movable digging jaw according to the invention makes it possible to remarkably reduce the distance of the tip of the digging head from the bottom level of the created hole in extreme positions.
  • said distance of the tip of the movable digging jaw from the bottom level is at least 70-75% shorter in the extreme regions of the motional reach than in a conventional solution.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Earth Drilling (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
EP12180354.8A 2011-08-16 2012-08-14 Vorrichtung und Ausrüstung zum Neuformen eines frischen, schlüpfförmigen Gussbetonprodukts Active EP2559531B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20115802A FI123230B (fi) 2011-08-16 2011-08-16 Väline ja laitteisto tuoreen liukuvaletun betonituotteen muokkaamiseksi

Publications (3)

Publication Number Publication Date
EP2559531A2 true EP2559531A2 (de) 2013-02-20
EP2559531A3 EP2559531A3 (de) 2014-05-14
EP2559531B1 EP2559531B1 (de) 2017-07-05

Family

ID=44515436

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12180354.8A Active EP2559531B1 (de) 2011-08-16 2012-08-14 Vorrichtung und Ausrüstung zum Neuformen eines frischen, schlüpfförmigen Gussbetonprodukts

Country Status (5)

Country Link
EP (1) EP2559531B1 (de)
CN (1) CN102950647B (de)
ES (1) ES2643177T3 (de)
FI (1) FI123230B (de)
RU (1) RU2530954C2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11077582B2 (en) 2018-01-30 2021-08-03 Elematic Oyj Method and system for recycling concrete mass in a slipform casting process, and casting machine
CN115534088A (zh) * 2022-11-03 2022-12-30 江苏力拓建设发展有限公司 一种商品混凝土卸料输送装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU666084A1 (ru) * 1977-04-29 1979-06-05 Vasilev Nikolaj Бетоноукладчик
SU1654467A1 (ru) * 1987-03-17 1991-06-07 М.И. Денисевич Землеройна машина многоцелевого назначени
RU2036092C1 (ru) * 1994-01-31 1995-05-27 Крестьянское хозяйство "Мастер" Установка для приготовления, подачи и укладки бетонной смеси
US5427424A (en) * 1994-06-30 1995-06-27 Robinson; John A. Single handle post hole digger
US5685587A (en) * 1996-03-11 1997-11-11 Putnam, Jr.; Ronald Glenn Posthole digger and cleaning attachment
JPH1033015A (ja) * 1996-07-26 1998-02-10 Hoshino:Kk 穴堀器
JPH10152857A (ja) * 1996-11-25 1998-06-09 Osamu Kawamura 深穴堀用スコップ
RU2121041C1 (ru) * 1997-05-21 1998-10-27 Тюменский государственный нефтегазовый университет Рабочее оборудование одноковшового экскаватора
GB2336283B (en) * 1998-04-17 2003-06-04 Andrew J Dallow Digging tool
US6129298A (en) * 1999-03-17 2000-10-10 National Attachments, Inc. Concrete pulverizer with adjustable ripping element
NL1013606C2 (nl) * 1999-11-18 2001-05-21 Vbi Ontwikkeling Bv Inrichting en werkwijze voor het aanbrengen van uitsparingen in een oppervlak van een betonelement.
FI5417U1 (fi) * 2002-03-28 2002-07-10 Parma Betonila Oy Laitteisto tuoreen ontelolaatan käsittelyyn
RU2263574C1 (ru) * 2004-07-09 2005-11-10 Лещиков Валерий Андреевич Загрузочная система конвейерной линии по производству многослойных строительных блоков с декоративной лицевой поверхностью
US7819447B1 (en) * 2009-08-01 2010-10-26 Wayne Ange Hand actuated soil displacement and planting device
CN201685323U (zh) * 2010-06-04 2010-12-29 如皋大禹地下管道成型机研究所 一种农用椭圆形混凝土管道整体连续挤压成型机

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11077582B2 (en) 2018-01-30 2021-08-03 Elematic Oyj Method and system for recycling concrete mass in a slipform casting process, and casting machine
CN115534088A (zh) * 2022-11-03 2022-12-30 江苏力拓建设发展有限公司 一种商品混凝土卸料输送装置
CN115534088B (zh) * 2022-11-03 2023-03-10 江苏力拓建设发展有限公司 一种商品混凝土卸料输送装置

Also Published As

Publication number Publication date
CN102950647B (zh) 2015-11-25
FI20115802A0 (fi) 2011-08-16
FI123230B (fi) 2012-12-31
RU2530954C2 (ru) 2014-10-20
EP2559531A3 (de) 2014-05-14
EP2559531B1 (de) 2017-07-05
ES2643177T3 (es) 2017-11-21
RU2012134309A (ru) 2014-02-20
CN102950647A (zh) 2013-03-06

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