WO1999014025A1 - Verfahren und anlage zur herstellung von stabförmigen hohlbauteilen aus beton - Google Patents
Verfahren und anlage zur herstellung von stabförmigen hohlbauteilen aus beton Download PDFInfo
- Publication number
- WO1999014025A1 WO1999014025A1 PCT/DE1998/002093 DE9802093W WO9914025A1 WO 1999014025 A1 WO1999014025 A1 WO 1999014025A1 DE 9802093 W DE9802093 W DE 9802093W WO 9914025 A1 WO9914025 A1 WO 9914025A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cores
- receiving elements
- core
- concrete
- outer shape
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/022—Means for inserting reinforcing members into the mould or for supporting them in the mould
- B28B23/024—Supporting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
Definitions
- the invention relates to a method for producing rod-shaped hollow components made of concrete or polymer concrete using an orm, which consists of cores and a movable relative to the cores, the cores laterally enclosing the cores at a distance and a likewise movable, with openings for the cores provided and arranged underneath the outer form are assembled and in the cavities between the cores and the outer form a reinforcement cage is inserted approximately in the middle and then the material is filled in and compacted by shaking.
- Rod-shaped hollow components made of concrete or polymer concrete with a round, rectangular or polyhedral cross-section, for example, are used in the form of palisades and steles as design elements in gardens and parks, where they are used as borders and boundaries as well as for securing steps, terraces and embankments in the field Find.
- these components are often manufactured as hollow bodies which are open on the underside and which, at least in the case of larger designs, are reinforced with steel reinforcement on the inside.
- a vibratory press is used to manufacture these components, with which the components are made of concrete or polymer concrete.
- the shape used consists of solid cores and a movable outer shape with continuous vertical openings assigned to the individual cores, the clear width of which exceeds the width of the cores and with which the outer shape is placed over the cores in such a way that the wall of each opening moves one of the cores laterally encloses.
- the cavities resulting between the cores and the outer shape are closed at the bottom by a movable plate with holes for the cores, the lower sleeve, and absorb the material when filling.
- steel reinforcement cages are inserted approximately in the center of the cavity between the core and the outer shape and their position is fixed with spacers.
- the filled material is compacted by vibrating vibrators.
- a layer of facing concrete is applied to improve the surface quality of the component.
- a press dips its press plate into the individual molds and thus forms the heads of the components.
- the outer shape is raised first, then the lower sleeve, and the components are thereby removed from the cores. To ensure that there is no negative pressure between the core and the component during this process, the cores are located in the lid
- Ventilation openings that are covered with a membrane, which is held by a mounting block, to protect against penetrating material.
- the present invention has set itself the task of simplifying the position fixing of the reinforcement cage in the form in order in this way Saving steps in the filling process and reducing the costs incurred.
- the core is equipped in the region of its upper end face with upwardly open receiving elements in which the reinforcement cage is fastened with fastening hooks arranged on its upper end face with a radially inwardly extending component and by means of centering pins distributed around its circumference is supported against the core with a component running radially inwards.
- the basic idea of the present invention is to fasten the reinforcement cage to the core in such a way that it is secured against undesired rotational movements and axial pulling off of the finished component is not hindered.
- fastening hooks are to be used, which are fastened to the upper end face of the basket and have a radially inwardly extending component in their course, so that from above into corresponding upwardly open receiving elements in the region of the upper end face of the
- Kernes can be inserted. Since these receiving elements are open at the top, they do not represent an obstacle to pulling the finished components axially upward, but effectively prevent the basket from rotating about axially extending axes of rotation.
- the reinforcement The basket is equipped with additional centering pins that have a radially inward-facing component and support the basket against the core from several sides.
- the advantage of the arrangement according to the invention is that fastening hooks and centering pins can be manufactured directly as components of the reinforcement cage and any contact with the outer surface by the cage itself or additional fixing elements such as spacers is excluded. This eliminates the steps of inserting spacers and reworking the outer surface, which simplifies the production of these components and saves manufacturing costs.
- Vibration presses are used to manufacture these rod-shaped hollow components, which have a filling car for filling the concrete or polymer concrete into the mold as well as vibrators and a press for compacting the material.
- the exact position of the receiving elements for the fastening hooks of the reinforcement cage on the upper end faces of the cores is arbitrary within the scope of the inventive concept. In a preferred embodiment of the invention, however, these are arranged on the mounting block attached to the core. This accommodation of the receiving elements on an easily accessible and easily removable component is particularly advantageous when an existing vibration press is to be retrofitted according to the invention.
- the design of the receiving elements is also largely free.
- fastening hooks used and be open at the top without having laterally projecting components so that they do not hinder the finished components from being pulled off axially upwards.
- receiving elements in the form of radially extending slots are proposed as a variant which is favorable in terms of production technology.
- the fastening hooks must then have corresponding radially extending areas.
- the receiving elements are axially running bores.
- the fastening hooks must then also run out axially.
- forks pointing in the axial direction can also be used as receiving elements, which receive the fastening hooks between their tines.
- the upper part of the core (1) can be seen, which in its cover (2) shown hatched here has ventilation openings (3) which serve to vent the cavity formed when the finished casting component is removed from the core . So that the ventilation openings (3) are not blocked by liquid material, they are covered with a membrane, which is held by the mounting block (4), which in turn is screwed onto the cover (2) with the screw (5).
- the reinforcement cage (6) is arranged approximately in the middle between the core (1) and the outer shape (not shown here), which has fastening hooks (7) on its upper end face, with which the cage opens into radially extending slots (8) in the receiving block (8) 4) is hooked, whereby the reinforcement cage (6) is secured against undesired rotary movements about an axially extending axis.
- the result is a vibration press for producing rod-shaped hollow components made of concrete or polymer concrete, in which, after the reinforcement cage has been inserted into the mold, no further measures such as fixing the position of the cage, for example the use of additional spacers is required, and post-processing of the surface of the finished component is also eliminated.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL98339225A PL339225A1 (en) | 1997-09-12 | 1998-07-24 | Method of and system for manufacturing hollowed concrete structural members of bar-like shape |
EP98947334A EP1011942A1 (de) | 1997-09-12 | 1998-07-24 | Verfahren und anlage zur herstellung von stabförmigen hohlbauteilen aus beton |
SK1072-99A SK107299A3 (en) | 1997-09-12 | 1998-07-24 | Method and apparatus for producing bar-shaped hollow members made of concrete |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1997140154 DE19740154A1 (de) | 1997-09-12 | 1997-09-12 | Verfahren und Anlage zur Herstellung von stabförmigen Hohlbauteilen aus Beton |
DE19740154.6 | 1997-09-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999014025A1 true WO1999014025A1 (de) | 1999-03-25 |
Family
ID=7842161
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1998/002093 WO1999014025A1 (de) | 1997-09-12 | 1998-07-24 | Verfahren und anlage zur herstellung von stabförmigen hohlbauteilen aus beton |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1011942A1 (de) |
DE (1) | DE19740154A1 (de) |
PL (1) | PL339225A1 (de) |
SK (1) | SK107299A3 (de) |
WO (1) | WO1999014025A1 (de) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU65595A1 (de) * | 1971-10-01 | 1973-01-22 | ||
DE2310475B1 (de) * | 1973-03-02 | 1974-06-06 | Pfeiffer Maschf Ettlingen | Vorrichtung zur lagegerechten Anordnung von Armierungsringen im Ringspalt einer Formeinrichtung zur Herstellung von Betonformlingen |
DE8702254U1 (de) * | 1987-02-13 | 1987-06-25 | BTH Biegetechnik Hasak GmbH, 8300 Altdorf | Armierungskorb für Großbohrpfähle |
SU1451026A1 (ru) * | 1986-02-24 | 1989-01-15 | Минераловодский Завод Железобетонных Напорных Труб | Форма дл изготовлени виброгидропрессованных трубчатых изделий из бетонных смесей |
SU1710348A1 (ru) * | 1988-09-23 | 1992-02-07 | Государственный Институт По Проектированию Предприятий Промышленности Строительных Материалов "Гипростройматериалы" | Устройство дл изготовлени царг дымовых труб из бетонных смесей |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3551967A (en) * | 1968-07-18 | 1971-01-05 | Frank M Williams | Concrete pipe molding apparatus |
DE1946659A1 (de) * | 1969-09-15 | 1971-05-19 | F Floetotto Fa | Schultisch |
DE3429601C3 (de) * | 1984-08-10 | 1994-08-04 | Peter Reinschuetz | Verfahren und Vorrichtung zur Herstellung von hohlzylindrischen Körpern aus Beton, insbesondere Palisadensteinen |
-
1997
- 1997-09-12 DE DE1997140154 patent/DE19740154A1/de not_active Withdrawn
-
1998
- 1998-07-24 PL PL98339225A patent/PL339225A1/xx unknown
- 1998-07-24 EP EP98947334A patent/EP1011942A1/de not_active Withdrawn
- 1998-07-24 SK SK1072-99A patent/SK107299A3/sk unknown
- 1998-07-24 WO PCT/DE1998/002093 patent/WO1999014025A1/de not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU65595A1 (de) * | 1971-10-01 | 1973-01-22 | ||
DE2310475B1 (de) * | 1973-03-02 | 1974-06-06 | Pfeiffer Maschf Ettlingen | Vorrichtung zur lagegerechten Anordnung von Armierungsringen im Ringspalt einer Formeinrichtung zur Herstellung von Betonformlingen |
SU1451026A1 (ru) * | 1986-02-24 | 1989-01-15 | Минераловодский Завод Железобетонных Напорных Труб | Форма дл изготовлени виброгидропрессованных трубчатых изделий из бетонных смесей |
DE8702254U1 (de) * | 1987-02-13 | 1987-06-25 | BTH Biegetechnik Hasak GmbH, 8300 Altdorf | Armierungskorb für Großbohrpfähle |
SU1710348A1 (ru) * | 1988-09-23 | 1992-02-07 | Государственный Институт По Проектированию Предприятий Промышленности Строительных Материалов "Гипростройматериалы" | Устройство дл изготовлени царг дымовых труб из бетонных смесей |
Non-Patent Citations (2)
Title |
---|
DATABASE WPI Section PQ Week 8942, Derwent World Patents Index; Class P64, AN 89-307883, XP002089837 * |
DATABASE WPI Section PQ Week 9251, Derwent World Patents Index; Class P64, AN 92-423033, XP002089836 * |
Also Published As
Publication number | Publication date |
---|---|
PL339225A1 (en) | 2000-12-04 |
EP1011942A1 (de) | 2000-06-28 |
DE19740154A1 (de) | 1999-03-18 |
SK107299A3 (en) | 2000-01-18 |
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