EP2011615A2 - Base de puits dotée d'un canal variable avec procédé et dispositif correspondants - Google Patents

Base de puits dotée d'un canal variable avec procédé et dispositif correspondants Download PDF

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Publication number
EP2011615A2
EP2011615A2 EP08008337A EP08008337A EP2011615A2 EP 2011615 A2 EP2011615 A2 EP 2011615A2 EP 08008337 A EP08008337 A EP 08008337A EP 08008337 A EP08008337 A EP 08008337A EP 2011615 A2 EP2011615 A2 EP 2011615A2
Authority
EP
European Patent Office
Prior art keywords
concrete
variable
manhole
manhole base
channel
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
EP08008337A
Other languages
German (de)
English (en)
Other versions
EP2011615B1 (fr
EP2011615A3 (fr
Inventor
Richard Kraiss
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.)
Georg Prinzing and Co KG Betonformen und Maschinenfabrik GmbH
Original Assignee
Georg Prinzing and Co KG Betonformen und Maschinenfabrik GmbH
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
Priority claimed from DE102007052056A external-priority patent/DE102007052056A1/de
Application filed by Georg Prinzing and Co KG Betonformen und Maschinenfabrik GmbH filed Critical Georg Prinzing and Co KG Betonformen und Maschinenfabrik GmbH
Priority to EP12005952A priority Critical patent/EP2527118A1/fr
Publication of EP2011615A2 publication Critical patent/EP2011615A2/fr
Publication of EP2011615A3 publication Critical patent/EP2011615A3/fr
Application granted granted Critical
Publication of EP2011615B1 publication Critical patent/EP2011615B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/12—Apparatus or processes for treating or working the shaped or preshaped articles for removing parts of the articles by cutting
    • 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
    • B28D1/18—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools
    • B28D1/186—Tools therefor, e.g. having exchangeable cutter bits
    • 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
    • B28D1/30—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor to form contours, i.e. curved surfaces, irrespective of the method of working used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
    • B28D7/04—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work
    • B28D7/043—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work the supporting or holding device being angularly adjustable
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
    • 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
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/16—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
    • B28B7/168—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes for holders or similar hollow articles, e.g. vaults, sewer pits

Definitions

  • the invention relates to methods and apparatus for the production of manhole bases with variable Gerinneaus exiten with the features in the preamble of claim 1 and 16 and manhole bases with the features of the preamble of claim 37.
  • Precast concrete parts such as pipes, manhole elements and manhole bases are produced in large numbers with largely automated systems.
  • the concrete is poured into the mold with simultaneous shaking and compacted.
  • the demoulding and the further transport of the fresh concrete parts to profile rings or pallets takes place immediately.
  • the vibrating press process all mass products of the same shape and structure can be produced efficiently.
  • Manhole bases are also mass products, but the channel has a variety of variants, which does not allow automatic rational production so far.
  • the well element is filled with a curable filler prior to drilling the side openings. After sufficient hardening of this filler, the channel is milled from above.
  • the disadvantage here is that the manhole base is not monolithically produced in one casting and at least two operations for concreting the shaft are required.
  • the milling process from the top takes a very long time, as larger amounts of concrete or filler material must be removed and removed.
  • a manhole blank is formed by compacting the earth-moist concrete. After demoulding the manhole base blank, it stands with its thick base plate (base plate) on the ground. In this position, a raw channel is milled into the still earth-moist (not yet hardened) concrete by means of a milling tool.
  • the disadvantage is that the milling process is greatly affected by the removed concrete and the channel surface is damaged. The suction of the milled, still earth-moist concrete is only partially possible and very expensive.
  • Deformation which affects the tightness and statics of the manhole structure, is created at the spigot end by demoulding in the turning process of the manhole base blank from still earth-moist concrete and the extraction of the recess cores and the milling of the crude grit.
  • the production of the manhole bases takes place in the vibrating or casting process.
  • the manhole bases are made in reverse natural position in molds.
  • the production of the variable channel is done by stratified removal of concrete also in reverse natural position.
  • the concrete can be removed quickly and without much energy, because the concrete is only partially hardened.
  • the removed concrete falls down by gravity, so that the milling process itself is not hindered by the concrete residues.
  • the concrete removal is collected and used for further processing.
  • the manhole bases are made monolithically from a single casting. For the production of the channels no models are needed. The entire production process can be automated with this procedure.
  • the channels themselves are dimensionally accurate and can be designed to be optimized in terms of flow. Any forms of channels are possible.
  • the spigots of the manhole bases are very accurate, as the manhole bases on the profile rings set in the reverse natural position.
  • the device according to the invention which makes it possible to carry out the methods according to the invention, is characterized in claim 16.
  • Advantageous developments of these devices will become apparent from the claims 17 to 36, the advantages achieved by the design of the device are in the low cost and in the achievable full mechanization of manhole base production with variable channel formation and variable connections.
  • the manhole base according to the invention which is manufactured with the new method and devices, is characterized in the claim 37.
  • Advantageous developments of these manhole bases emerge from the claims 38 to 42.
  • the manhole base consists of monolithic fine-grained concrete and is fine-grained and dimensionally accurate on the entire surface.
  • the channel channels are fluidically optimally designed and easy to produce due to the special geometry.
  • the invention relates to manhole bases (1) made of concrete, which are shaken or cast in reverse natural position in molds (19).
  • the variable channel (3) is not yet made, but only the complete tread surface without channel (13), which is usually conical.
  • the variable channel (3) is produced in a second operation by concrete removal (4), whereby the manhole base is in this process in reverse natural position, so that in a short time large quantities of concrete can be removed, which falls by gravity down and does not hinder the milling process.
  • the rotating cutter (5) is shown guided and program-controlled (18) over the concrete surface and thus the concrete (4,14,16) milled off in layers.
  • the forming device (19) for producing the manhole bases can still be seen without channels.
  • the mold can be designed both for the self-compacting concrete pouring process (16) and for the concrete vibrating compacting process (14).
  • the removal of the concrete (4,14,16) takes place in the region of the variable channel (3) after a Operaerhärtung of 1 to 10 hours. Only after a Sectionerhärtung of 1 to 3 hours, the lid (12) from the manhole base (1) are removed so that the tread surface without channel (13) for concrete removal (4) is accessible. The Operaerhärtung can be accelerated by the manhole bases (1) are passed through a hardener chamber.
  • the cutting tool (47) does not rotate like the cutter (5), but cuts whole layers and pieces out of the partially cured concrete.
  • the concrete removal (4) by at least one rotating cutter (5) has a diameter of approx. 140 mm and is equipped with 8 to 40 carbide teeth.
  • the cutter (5) can rotate and work both left and right.
  • concrete quantities (4) of about 0.1 to 1.0 dcm 3 per second can be removed, so that a variable channel (3) is milled out within 3 to 10 minutes.
  • the semi-hardened concrete (14,16) can be removed quickly and with low drive power and low wear.
  • the manhole base (1) is held in reverse natural position on profile rings (6), this allows a safe transport and an accurate position of the manhole bases (1) during milling. In addition, this creates very accurate spikes.
  • the profile rings (6) are removed only after final curing of the manhole bases (1) from the spigot end. Under reverse natural position of the manhole base (1) is to be understood that the spigot (30) shows horizontally or obliquely downwards.
  • variable flumes (3) can be produced program-controlled (18) in any required geometric diversity.
  • the dimensional accuracy and geometry of the variable channel (3) is very accurate, since the partially hardened manhole bases (1) are already dimensionally stable.
  • the concrete removal (4) of the part-hardened manhole bases (1) takes place at a substantially higher speed than with hardened manhole bases (1).
  • the manhole base (1) is advantageously made of fine-grained material. This has the advantage that the best possible clean surface is achieved when milling the partially hardened concrete, which can be smoothed out better by a subsequent smoothing process, as the concrete, the usual way for manhole bases is used. So far, a concrete is used for manhole bases, with a grain size up to 16 mm. Overall, all surfaces of the manhole base are better by using the fine-grained concrete.
  • variable terminals which have already been manufactured in molds during the first shaping, are measured and on the basis of these data the milling program for the matching variable channels is produced. This has the advantage that the variable channel (3) to the variable terminals (2) is aligned very accurately.
  • variable terminals (2) are no longer manufactured and formed in the first shaping by the Ausspar cores (10), but also milled with the milling device of the semi-hardened concrete.
  • the industrial robot (22) is arranged so that it can mill with the cutter (5) both the variable channels, as well as all variable milled connections.
  • the manhole base is rotated about its vertical axis (34), so that variable milled connections can be attached to the entire circumference of the manhole base.
  • the surface of the variable channel is smoothed immediately after the milling process. In order to improve the smoothing effect, additional water can be sprayed on.
  • a liquid is sprayed immediately after the milling process. This is program-controlled, in a very even and exact layer thickness.
  • the surface of the variable channel (3) is aftertreated by sand blasting.
  • the tread surface (41) can be sandblasted, so that a slip-resistant, roughened surface arises both in the variable channel (3) and on the tread surface (41).
  • the concrete removal (4) which occurs in large quantities in a short time, is automatically removed by gravity, namely by falling into a container (7).
  • the further transport of this concrete removal (4) is simple, for example via a conveyor belt (8), so that these concrete residues (4) can be further utilized in the production machine or mixing plant.
  • the device according to claim 16 has a forming device (19), which consists of mold shell, mold core, profile ring and the Ausspar cores.
  • the Aussparkerne (10) are variably attached to the mold shell (9), so that each connection angle can be realized.
  • the support core (11) has a cover (12) for forming the step (13), but in the first operation so in the production without channel, wherein the lid (12) is flat or conical.
  • the milling device (17) and / or the cutting device (46) is integrated, which works out the variable channel (3) after a Operaerhärtung of about 1 to 10 hours.
  • the molding device (19) is designed so that the concrete (14) is compacted by shaking the molding device (19) and optionally by additional pressing of the pressing plate (15).
  • the concrete (14) already has such a high green strength that immediately after the compacting process the mold jacket (9) and the press plate (15) can be removed.
  • the Aussparkerne (10) are pulled out, so that they can also be used immediately again.
  • integrated seals in the terminals (2) remain only Aufsteckkerne (20) until the final setting in the concrete part.
  • the manhole base (1) is further transported on the profile ring (6) together with the support core (11) and the cover (12) and optionally passed through a curing chamber, so that the Generalerhärtung takes place faster.
  • the support core (11) with the lid (12) is pulled out and the manhole base (1) is only on the profile ring (6), so that the variable channel (3) by layering out and / or cutting out of the concrete (4,14,16) can be produced.
  • a plurality of mold devices (19) are required, which are filled with self-compacting concrete (16). After the desired sectionerhärtung of the concrete (16), the support cores (11), the cover (12) and the Aussparkerne (10) are removed, so that here the manhole base (1) only on the profile ring (6) in reverse natural position stands and also here the variable channel (3) can be milled out quickly and easily.
  • the manhole base (1) relative to the mold shell (9) is removed from the top. This is done with the vertical lifting device (44), which pushes the manhole base (1) together with the support core (11), cover (12), profile ring (6) and Aussparkernen (11) upwards out of the jacket (9). This is a very simple and safe demoulding process and the manhole base (1) is very accessible for taking out the Ausspar cores (11) and for further transport from above.
  • the turning of the profile ring (6) together with the manhole base (1) with at least three coil rollers (26) and electric rotary drive takes place.
  • a plurality of coil rollers are assigned, which then for receiving shaft bottoms (1) with different nominal diameters, z. B. nominal width 1000, 1200 and 1500 mm are designed.
  • a measuring device (27) is provided for measuring the prefabricated variable connections (2).
  • the manhole base (1) is rotated about its vertical axis (34) and scanned with the measuring device, the peripheral surface of the manhole base (1), either by ultrasound or by laser beams.
  • the measurement data of the variable channel (3) with respect to diameter, altitude and angle can be accurately detected, so that the milling out of the variable channel (3) according to the actual dimensions of the terminals (2).
  • the rotating cutter (5) and / or the cutting tool with the industrial robot (22) guided programmatically Usually, such an industrial robot has six axes.
  • the variable channel (3), as well as variably milled connections (24) can be quickly and exactly cut out of the partially hardened concrete (14, 16).
  • the arrangement of the industrial robot (22) below and laterally to the manhole base (1) can be milled both outside and inside the manhole base (1) and the concrete removal (4) can fall freely into the collecting trough (29).
  • the rotating cutter (5) is equipped with carbide or diamond teeth.
  • the cutting edges (38) of these teeth affect an imaginary sphere (36).
  • a cutting unit (47) is used which, with the cutting edge, cuts out the fine-grained, particle-hardened concrete (14, 16) in layers.
  • the concrete removal (4) is not crushed and is removed in large quantities and with even less wear.
  • the cutting edge is preferably made of a thin sheet and is circular.
  • the cutting tool (47) is simple and inexpensive and the wear plate (49) can be changed quickly.
  • the smoothing ball (23) is slightly larger than the imaginary sphere (36) of the rotary milling cutter (5). This means that almost the same program can be traversed for the smoothing process as during the milling process. Only the feed rate and speed of the smoothing ball (23) is varied. Due to the difference in diameter of the smoothing ball (23) to the cutter (5), the contact pressure is set when smoothing on the concrete.
  • the manhole base (1) is a monolithic part made of homogeneous concrete. Both the channel and the shaft wall are cast or vibrated in one piece. It is a fine-grained concrete (14, 16) used. Grain size about 0 - 4 mm. This concrete (14, 16) can be processed well in an advantageous manner and is particularly well suited for the new automatic production process.
  • the entire manhole base (1) has a uniform fine surface structure.
  • variable flume (3) due to the new method has a dimensional accuracy and surface that was previously not possible. This is particularly due to the exact automatic automatic milling process in the case of semi-hardened, fine-grained concrete (14, 16).
  • variable flumes (3) can be improved according to the new method by a further aftertreatment, in particular also because exact data on the geometry of the channel (3) are present through the program-controlled processing and so on automatic machining of parts is possible.
  • variable channel (3) after complete curing of the manhole bases (1) and turning in a natural position, provided to improve the surface with a coating or mortar, or the surface of the channel (3) is further improved by grinding or milling. In this case, only a thin layer has to be removed, since there is already a geometrically perfect channel (3), which is merely smoothed.
  • variable channel (3) and the tread surface (41) can be aftertreated by sand blasting. This creates a roughened, non-slip structure.
  • the channel channels (43) are optimally designed in terms of flow, by a simple law, which states that the channel channel axes (42) are always radii (R) which are approximately perpendicular to the axes of the terminals (2, 24) meet or impinge perpendicular to the inner shaft wall.
  • R radii
  • This simple law allows only because of the position and the diameter of the terminals (2, 24), the milling program can be automatically generated and calculated, so that the programming effort for the milling program is low.
  • the milling process itself is advantageously carried out by an industrial robot (22). This can also mills connections (24) from the outside in the semi-hardened concrete (14, 16) and also take over the treatment of the manhole bases (1), such. B. smoothing and coating or labeling.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
EP20080008337 2007-05-08 2008-05-02 Procédé et dispositif pour la fabrication de bases de puits dotées de canaux variables. Not-in-force EP2011615B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12005952A EP2527118A1 (fr) 2007-05-08 2008-05-02 Élément inférieur de puits avec rigole

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007021998 2007-05-08
DE102007052056A DE102007052056A1 (de) 2007-05-08 2007-10-30 Schachtunterteil mit variablem Gerinne mit dazugehörigem Verfahren und Vorrichtung

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP12005952.2 Division-Into 2012-08-18

Publications (3)

Publication Number Publication Date
EP2011615A2 true EP2011615A2 (fr) 2009-01-07
EP2011615A3 EP2011615A3 (fr) 2011-02-23
EP2011615B1 EP2011615B1 (fr) 2012-10-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080008337 Not-in-force EP2011615B1 (fr) 2007-05-08 2008-05-02 Procédé et dispositif pour la fabrication de bases de puits dotées de canaux variables.

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EP (1) EP2011615B1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2230058A3 (fr) * 2009-01-16 2011-08-17 Georg Prinzing GmbH & Co. KG Base de puits doté d'une rigole variable
FR2986021A1 (fr) * 2012-01-24 2013-07-26 Blard Regard pour raccorder au moins deux canalisations
CN118809844A (zh) * 2024-08-15 2024-10-22 扬州方通电子材料科技有限公司 一种人造石英晶棒凹槽加工装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19828094C1 (de) 1998-06-24 1999-12-02 Merbeler Betonwerk Gmbh Verfahren zur Herstellung von Schachtunterteilen aus Beton o. dgl.
DE69604961T2 (de) 1995-04-27 2000-10-05 Societe Industrielle De Materiaux En Abrege S.I.M.A.T., Onet Le Chateau Verfahren zur Herstellung eines Schachtunterteiles
DE10317321A1 (de) 2003-04-15 2004-12-30 SCHLÜSSELBAUER, Johann Verfahren und Vorrichtung zur Herstellung von Schachtunterteilen aus Beton

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4120483C2 (de) * 1991-06-21 1995-06-22 Niemeyer Gmbh & Co Kg Soehne Verfahren und Vorrichtung zum Herstellen von Gerinnen in Schachtunterteilen
DE4342518A1 (de) * 1993-12-13 1995-06-14 Baumgaertner Maschf Gmbh Anlage zur Herstellung von topfförmigen Betonformteilen
DE102006045984A1 (de) * 2006-09-27 2008-04-03 Georg Prinzing Gmbh & Co. Kg Betonformen- Und Maschinenfabrik Nachbearbeitung von frisch entschalten Betonteilen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69604961T2 (de) 1995-04-27 2000-10-05 Societe Industrielle De Materiaux En Abrege S.I.M.A.T., Onet Le Chateau Verfahren zur Herstellung eines Schachtunterteiles
DE19828094C1 (de) 1998-06-24 1999-12-02 Merbeler Betonwerk Gmbh Verfahren zur Herstellung von Schachtunterteilen aus Beton o. dgl.
DE10317321A1 (de) 2003-04-15 2004-12-30 SCHLÜSSELBAUER, Johann Verfahren und Vorrichtung zur Herstellung von Schachtunterteilen aus Beton

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2230058A3 (fr) * 2009-01-16 2011-08-17 Georg Prinzing GmbH & Co. KG Base de puits doté d'une rigole variable
FR2986021A1 (fr) * 2012-01-24 2013-07-26 Blard Regard pour raccorder au moins deux canalisations
EP2620263A1 (fr) 2012-01-24 2013-07-31 Blard Regard brut et son procédé de fabrication
CN118809844A (zh) * 2024-08-15 2024-10-22 扬州方通电子材料科技有限公司 一种人造石英晶棒凹槽加工装置

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Publication number Publication date
EP2011615B1 (fr) 2012-10-31
EP2011615A3 (fr) 2011-02-23

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