WO1996022178A1 - Verfahren und anlage zum herstellen von tragelementen - Google Patents
Verfahren und anlage zum herstellen von tragelementen Download PDFInfo
- Publication number
- WO1996022178A1 WO1996022178A1 PCT/AT1996/000002 AT9600002W WO9622178A1 WO 1996022178 A1 WO1996022178 A1 WO 1996022178A1 AT 9600002 W AT9600002 W AT 9600002W WO 9622178 A1 WO9622178 A1 WO 9622178A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- station
- work surface
- work
- strands
- plant according
- 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
- B28B23/22—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 assembled from preformed parts
-
- 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
- B28B23/18—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 for the production of elongated articles
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
- E04C3/22—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members built-up by elements jointed in line
Definitions
- the invention relates to a method for producing support elements from shell bodies, preferably shell bodies formed from ceramic material, which are arranged one behind the other on a work surface to form a plurality of strands lying next to one another, each having at least one continuous cavity, until a predetermined length of the strands is reached, a reinforcement is then inserted into at least one cavity of each strand and the cavities provided with the reinforcements are poured out with concrete, and after the concrete has hardened, supporting bodies of a predetermined length are cut to length from the strands, and a system for carrying out the method.
- shell bodies preferably shell bodies formed from ceramic material
- the supporting elements are separated from the strands in the desired length, for example cut off with diamond saw blades.
- This manufacturing process has the disadvantage that all work must be carried out along the working surface which extends over a long length.
- the shell bodies are put on by workers who remove the shell bodies from a pallet traveling along the work surface and place them on the work surface.
- This work is not only very time consuming, but also very tiring. In principle, you have to do it manually work to be carried out while walking. Work that can be done by machine requires machines that can be moved along the work surface.
- each of the pallets is brought to different work stations, one or more of the production phases described above taking place in each of the work stations.
- a pallet is loaded with shell bodies at a first station, then brought to a reinforcement station, where the reinforcement is inserted and, if necessary, pre-stressed, whereupon the pallet is brought to a casting station and filled with concrete there.
- the pallet is then conveyed to a drying station, then to a cutting station and further to a removal station where the finished support elements are removed from the pallet.
- This manufacturing method has the disadvantage that high plant costs are incurred for the construction of the production facility, in particular if prestressed supporting elements are to be produced. Furthermore, there is a poor level of utilization of the pallets, since their length can only be optimally used in very specific cases due to the products to be manufactured in different lengths.
- the invention aims to avoid these disadvantages and difficulties and has as its object to provide a method of the type described above and a system for carrying out the method, which allow time, energy and energy-saving production of the support elements while making optimal use of the work surface.
- the capital expenditure for a plant with which the method according to the invention can be carried out should also be low. It is a particular object of the invention to be able to repeat the manufacturing process in a short cycle time and thus to be able to increase productivity compared to known systems.
- This object is achieved in that the arrangement of the shell body on the work surface is carried out from a stationary feed station and Working surface is moved through the feed station with the entrainment of the shell body attached there.
- the work surface is composed of sub-work surfaces immediately before the arrangement of the shell bodies and the immediately adjacent sub-work surfaces are moved together, the last sub-work surface added in each case being moved through the feed station.
- the work surface is expediently moved continuously through the stationary feed station, as a result of which the shell body can be applied mechanically in a simple manner.
- the feed station is expediently continuously loaded with shell bodies which are pushed onto the work surface from above and in the longitudinal direction of the strands. In this way, irregularities in the manual placement of the shell stones can be compensated in a simple manner.
- a further preferred procedure is characterized in that the cutting of the shaped bodies from the strands is carried out at a stationary cutting station, the strands being moved to the cutting station with the aid of the working surface and the working surface in the region of the cutting station being appropriately divided into partial work surfaces. According to this procedure, it is possible to subdivide the strands from the work surface immediately when or before the strands are removed, so that these - if the feed station is not immediately adjacent to the cutting station - can be fed back to the feed station immediately.
- the shell bodies of at least one strand are aligned in an aligned position by means of at least one guide element which moves with the work surface
- a system for carrying out the method with a working surface extending over a predetermined length, a feeding station for the shell bodies, a pouring device for pouring the same with concrete and a cutting device is characterized in that the working surface can be moved past a stationary feeding station.
- the work surface can preferably be formed from pallets to be arranged one behind the other, the pallets forming the work surface being able to be moved past guides along the stationary feed station. As a result, the work surface is particularly stable and stable, without special support structures etc. being required.
- a pallet stack can be brought into position in the area of the loading station, from which the uppermost pallet can be removed and moved along the guides, following the previously removed pallet, to form a flat work surface
- the work surface can be moved to a stationary cutting station, as a result of which the investment costs can be further reduced, especially since the cutting station no longer has to be movable along the work surface.
- a further preferred embodiment is characterized in that the pallets in the area of the cutting station can be stacked at a stacking station, the last pallet forming the work surface being able to be brought into position and lowered at the stacking station, whereupon the next pallet above the previously lowered pallet is in position can be brought and also lowered and that the adjacent strands formed by the successively arranged, poured and coherently hardened shell bodies can be conveyed beyond the stacking station of the pallets and the cutting station is arranged in the conveying direction of the work surface behind the stacking station. which is caused, for example, by means of a separating saw, to be carried out outside the work surface and without soiling the pallets.
- a guide device for the strands or support elements cut to length from the strands is expediently aligned with the work surface.
- Conveyor rollers or conveyor rollers are expediently provided for conveying the pallets and / or for conveying the strands. It could also gears, chains or the like. Find use.
- a cable drive is provided to promote the work surface, preferably an endless cable drive.
- the feed station is expediently arranged at a distance from the cutting station which corresponds to the predetermined length of the strands, which makes it possible to arrange new pallets again at the start of the cutting station and to already lay shell bodies on the newly formed work surface before the previously made strands were removed from the work surface.
- the loading station and the cutting station are arranged immediately adjacent, preferably separated from one another - in the longitudinal direction of the work surface - by the pallet stacking station, which has the advantage that the pallet stack does not have to be moved from the cutting station to the loading station and that only a pallet stacking position with the appropriate facilities for lifting and lowering the pallets must be present.
- a particularly advantageous embodiment is characterized in that two or more work surfaces are arranged parallel to one another and a cutting device for the strands and, if appropriate, a feeding device for the shell body can be brought from work surface to work surface. This results in savings in investment costs and a particularly efficient manufacture of the support body.
- the work surface is provided with at least one guide element which comes into contact with a shell body.
- At least one guide element is preferably provided on each side edge of the work surface, the guide element advantageously being designed as a guide bar extending in the direction of movement of the work surface. This embodiment is particularly advantageous when the work surface is formed by pallets
- guide elements are designed as protrusions protruding over the work surface, each of which comes into contact with only a single shell body.
- the working surface is formed by an endless belt, in particular an endless plate belt, and guide elements are arranged one behind the other at a distance from one another.
- the guide element is advantageously formed integrally with the work surface
- FIG. 1 is a side view
- FIG. 2 is a plan view of a system according to a first embodiment in a schematic representation.
- FIG. 3 shows a second embodiment of the system in a representation analogous to FIG. 1.
- FIG. 4 illustrates a partial sectional view with a section along the line IV-IV of FIG. 1.
- FIGS. 5 and 6 illustrate, in a representation analogous to FIGS. 1 and 2, a system according to the invention with a cutting station. 7 and 8 each show the floor plan of systems according to the invention with a plurality of work surfaces lying side by side.
- FIGS. 9 to 12 FIG. 9 illustrating a cross section of a work surface transverse to its longitudinal extension with shell bodies placed on it. 10, 11 and 12 each show a plan view of the work surface covered with shell bodies, etc. each for a preferred embodiment of the invention.
- a work surface 2, on which the support elements 1 are produced is formed by successively arranged partial work surfaces 3, which are embodied by pallets 3. These pallets 3 are brought into position on a guideway 4 and rest on supporting rollers 5 arranged on both sides of the guideway 4. In this way it is possible to form a working surface 2 of great length, for example 100 m in length, in a simple manner.
- the pallets 3 are removed from a pallet stack 6 at a stacking station 7, wherein the pallet stack 6 can be lifted mechanically or hydraulically in stages, so that the uppermost pallet comes to lie at the level of the guideway 4.
- the uppermost pallet 3 can be moved to a conveyor station 10 formed by two rollers 9 lying opposite one another. These conveyor rollers convey the pallet 3 inserted between them with frictional force and push them onto the guideway 4.
- a stationary feed station 11 in which shell bodies 12, such as brick shells, are applied, for example manually, to the pallet 3 that is moving past — this moves either continuously or step by step.
- the brick shells 12 are placed one behind the other and side by side in such a way that several strands 13 lying directly next to one another are formed from such brick shells 12.
- the cavities 14 of the brick shells 12 lying one behind the other form a continuous cavity for each strand 13.
- the laying of the brick shells, which are removed from the brick packs 15 positioned at the side of the loading station 11, is carried out until the working surface 2 is covered with the brick shells over their entire length.
- the worker needs the position which is favorable for him not to leave the posting station; it only has to be supplied with a sufficient amount of brick shells 12.
- reinforcements 16 are introduced into the cavities 14 of the strands 13 in a known manner and these are prestressed if necessary.
- the cavities 14 are then poured with concrete 17, for which purpose a concrete trolley can expediently be moved along the entire work surface.
- the concrete 17 is then dried and hardened either naturally or with heating. Inserting the reinforcements 16, pouring concrete 17 and drying are carried out in a conventional manner.
- the strands 13 are cut to length to form individual supporting elements 1 in the desired length.
- This pallet 3 is then lowered so far that the next pallet 3 comes to rest on the cutting station 18 when the work surface is moved towards it.
- the strands 13 which then protrude beyond the stacking position 19 are gripped by a roller drive 20 which is then used for the movement of the working surface 2 carrying the strands 13, i.e. the strands 13 and the pallets 3, provides.
- a separating device 21 which is equipped, for example, with a diamond saw blade 22, which can be moved transversely to the longitudinal direction of the strands 13 while simultaneously cutting off the strands 13.
- the support elements 1 are conveyed further via the roller table 23, for example to a packaging station 24.
- the cutting station 18 can be arranged at the same end of the work surface 2 as the feed station 11 or at the opposite end.
- the first variant has the advantage that only a single pallet stacking station has to be present - that is, the stacking station 7 is identical to the stacking station 19 -, whereas the second variant has the advantage that with the beginning of the cutting, the work surface 2 is already occupied, which is then occupied by a second Pallet stack 6 is formed, can be started.
- the pallet stack 6 formed at the cutting station 18 is brought to the loading station 11 when it has all the pallets 3 of an entire work surface 2.
- the brick shells 12 are manually placed on an endless conveyor device 25 arranged above the pallet stacking station and conveyed by means of this to the loading station 11, where they are pushed on from above and over an inclined surface of the last pallet 3 fed in, etc. Via a discharge chute 26.
- This enables the pallets 3 or the work surface 2 formed by the pallets 3 to be conveyed out at a uniform speed and to compensate for any irregularities when the brick shells are placed on the endless conveyor device 25.
- FIG. 7 shows an overall plan view of a plant with a plurality of work surfaces 2, 2 ', 2 ", ... arranged next to one another and parallel to one another.
- straight brick shells are made from the brick packs on the work surface 2 15 removed and placed on the work surface 2
- There is only one separating device 21 which can be moved from work surface to work surface along the rail track 27 which extends transversely to the longitudinal directions of the work surfaces 2, 2 ', ...
- One likewise transversely to the longitudinal directions of the Work surfaces 2, 2 ', ... movable gripping device 28 serves to pick up and transport away the finished support elements 1. All work surfaces 2, 2', ... are supplied by a single concrete mixing plant 29, e.g.
- the pallets 3 can also be stacked after the strands 13 have been cut to length, in which case the separation process takes place on the pallets 3 (cf. FIG. 8).
- the work surface 2 on which the support elements are to be produced is either pallets 3 (FIG. 10) which can be placed one behind the other or an endless belt 32 (for example a flexible conveyor belt), in particular an endless plate belt 33 which is deflected via horizontally arranged deflection rollers (Figs. 11 and 12). All of the work surfaces 2 shown in FIGS. 9 to 12 are provided on the longitudinally extending side edges 34 with guide elements 35 which move with the work surfaces 2.
- the guide elements 35 are preferably integrally formed with the work surfaces 2 or rigidly attached to them
- the guide elements 35 are formed by lateral guide strips 36 each extending over the entire length of a pallet 3
- the guide elements 35 are arranged one behind the other, protrusions 37 projecting upward above the work surface 2, 38 formed.
- the elevations 37 extend in the longitudinal direction 39 of the work surface only over a very short distance, however, at least two elevations 37 are provided per longitudinal extension 40 of a shell body 12, so that the shell bodies 12 arranged on the edges 34 support on at least two elevations 37 each.
- the guide elements 35 are formed by short strip-like elevations 38 which either, as shown in FIG. 12, come to be in the middle of one shell body 12 for the purpose of aligning only one shell body 12, or at the joints of two in a row arranged shell body 12 can be provided, whereby two shell bodies 12 are brought into alignment with each other.
- the shell bodies 12 are placed in a simple manner by first applying the shell bodies 12 to be provided on the side edges 34 of the work surface 2 to the work surface 2 and placing them against the guide elements 35, so that these shell bodies 12 come to lie exactly flush with one another and a first one Form strand 13.
- the shell bodies 12 lying further inside are then applied to the work surface 2 to form further strands 13 ′, 13 ′′ and placed on the shell bodies 12 previously applied
- the invention is not limited to the exemplary embodiments shown in the drawing, but can be modified in various ways.
- the brick shells can be applied to the work surface 2 by machine, so that manual work is no longer necessary.
- the drive of the work surface 2 can instead by the rollers 9 also take place by means of a cable drive or also by a toothed or chain drive and by driving the support rollers 5.
- the drive of the work surface 2 can also be discontinuous, i.e. take place step by step, with a sub-area occupied by the work surface 2 while the work surface 2 is at a standstill and the work surface 2 is then moved further around this sub-area.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE59606767T DE59606767D1 (de) | 1995-01-18 | 1996-01-17 | Verfahren und anlage zum herstellen von tragelementen |
SK975-97A SK97597A3 (en) | 1995-01-18 | 1996-01-17 | Process and installation for producing bearing components |
CZ19972206A CZ293540B6 (cs) | 1995-01-18 | 1996-01-17 | Způsob a zařízení k výrobě nosných prvků |
AT96900191T ATE200445T1 (de) | 1995-01-18 | 1996-01-17 | Verfahren und anlage zum herstellen von tragelementen |
EP96900191A EP0804325B1 (de) | 1995-01-18 | 1996-01-17 | Verfahren und anlage zum herstellen von tragelementen |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA65/95 | 1995-01-18 | ||
AT6595 | 1995-01-18 | ||
ATA1655/95 | 1995-10-05 | ||
AT165595 | 1995-10-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996022178A1 true WO1996022178A1 (de) | 1996-07-25 |
Family
ID=25591312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AT1996/000002 WO1996022178A1 (de) | 1995-01-18 | 1996-01-17 | Verfahren und anlage zum herstellen von tragelementen |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0804325B1 (de) |
AT (1) | ATE200445T1 (de) |
CZ (1) | CZ293540B6 (de) |
DE (1) | DE59606767D1 (de) |
HU (1) | HUP9800219A3 (de) |
SK (1) | SK97597A3 (de) |
WO (1) | WO1996022178A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997018070A1 (de) * | 1995-11-14 | 1997-05-22 | Fmg Verfahrenstechnik Ag | Verfahren und vorrichtung zum herstellen länglicher formkörper aus einem giessbaren material, insbesondere sturzbretter |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3172932A (en) * | 1963-11-22 | 1965-03-09 | Method of manufacturing a concrete plank | |
DE2234671A1 (de) * | 1972-07-14 | 1974-01-24 | Poroton Ziegelwerk L Schlagman | Einrichtung zum fuellen von laenglichen schalen mit beton |
DE2820039A1 (de) * | 1977-05-23 | 1978-12-14 | Leitl Werke Bauhuette | Verfahren und anlage zur herstellung von bewehrten, insbesondere vorgespannten tragelementen |
-
1996
- 1996-01-17 DE DE59606767T patent/DE59606767D1/de not_active Expired - Fee Related
- 1996-01-17 EP EP96900191A patent/EP0804325B1/de not_active Expired - Lifetime
- 1996-01-17 SK SK975-97A patent/SK97597A3/sk unknown
- 1996-01-17 CZ CZ19972206A patent/CZ293540B6/cs not_active IP Right Cessation
- 1996-01-17 WO PCT/AT1996/000002 patent/WO1996022178A1/de active IP Right Grant
- 1996-01-17 HU HU9800219A patent/HUP9800219A3/hu unknown
- 1996-01-17 AT AT96900191T patent/ATE200445T1/de not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3172932A (en) * | 1963-11-22 | 1965-03-09 | Method of manufacturing a concrete plank | |
DE2234671A1 (de) * | 1972-07-14 | 1974-01-24 | Poroton Ziegelwerk L Schlagman | Einrichtung zum fuellen von laenglichen schalen mit beton |
DE2820039A1 (de) * | 1977-05-23 | 1978-12-14 | Leitl Werke Bauhuette | Verfahren und anlage zur herstellung von bewehrten, insbesondere vorgespannten tragelementen |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997018070A1 (de) * | 1995-11-14 | 1997-05-22 | Fmg Verfahrenstechnik Ag | Verfahren und vorrichtung zum herstellen länglicher formkörper aus einem giessbaren material, insbesondere sturzbretter |
Also Published As
Publication number | Publication date |
---|---|
HUP9800219A2 (hu) | 1998-05-28 |
SK97597A3 (en) | 1997-11-05 |
CZ220697A3 (en) | 1997-11-12 |
EP0804325A1 (de) | 1997-11-05 |
EP0804325B1 (de) | 2001-04-11 |
CZ293540B6 (cs) | 2004-05-12 |
HUP9800219A3 (en) | 1998-10-28 |
DE59606767D1 (de) | 2001-05-17 |
ATE200445T1 (de) | 2001-04-15 |
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