EP2847390B1 - Fundament für Maschinen - Google Patents

Fundament für Maschinen Download PDF

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Publication number
EP2847390B1
EP2847390B1 EP13720840.1A EP13720840A EP2847390B1 EP 2847390 B1 EP2847390 B1 EP 2847390B1 EP 13720840 A EP13720840 A EP 13720840A EP 2847390 B1 EP2847390 B1 EP 2847390B1
Authority
EP
European Patent Office
Prior art keywords
anchor
foundation
box
rods
concrete
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.)
Active
Application number
EP13720840.1A
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German (de)
English (en)
French (fr)
Other versions
EP2847390A1 (de
Inventor
Michael ABELE
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.)
Siemens AG
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Siemens 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 Siemens AG filed Critical Siemens AG
Priority to PL13720840T priority Critical patent/PL2847390T3/pl
Publication of EP2847390A1 publication Critical patent/EP2847390A1/de
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Publication of EP2847390B1 publication Critical patent/EP2847390B1/de
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/44—Foundations for machines, engines or ordnance
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/50—Anchored foundations
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2200/00—Geometrical or physical properties
    • E02D2200/11—Height being adjustable
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00—Miscellaneous
    • E02D2600/30—Miscellaneous comprising anchoring details

Definitions

  • the present invention relates to a foundation anchoring for the frictional anchoring of a large-scale machine in a concrete foundation
  • a foundation anchoring for the frictional anchoring of a large-scale machine in a concrete foundation
  • the anchor box having a mounting portion for attachment of the large-scale machine by means of fastening bolts, according to the preamble of Claim 1, as well as a composite of such foundation anchorage with concrete foundation.
  • Such a foundation anchorage is from the DE 4 335 485 A basically known.
  • the anchoring of large-scale machines in a concrete foundation made available especially for the support and fastening of the machine places high technical demands on the components responsible for the introduction of force into the concrete foundation.
  • the foundation anchorage must not only be able to ensure a suitable force introduction and securing during the regular operation of the machine, but also sufficient fastening to ensure the anchoring of the machine even in the event of a fault. Precisely during such an accident mode, due to the unbalance forces occurring in the machine, it is possible to transmit accident loads to the concrete foundation that are at least twice the regular operating loads.
  • large-scale machines are to be understood in particular as power plant-technical machines.
  • the invention relates to foundation anchors of bearing housings on high-pressure turbines, medium-pressure turbines and low-pressure turbines in a steam turbine power plant.
  • individual machine parts may require a corresponding anchoring, such as interception flaps of reheater pipes in industrial steam turbine power plants.
  • the large-scale machines are typically fastened by means of specially provided fastening bolts made of high-strength metal in a mounting portion of a foundation anchoring, so that a secure attachment to the concrete foundation can be achieved.
  • the respective fastening bolts can, for example, be screwed in a suitable manner with a fastening nut, which is encompassed by the foundation anchoring.
  • the load transfer to the foundation anchoring takes place in such a way that the occurring forces are suitably introduced into the concrete foundation.
  • a steel structure is sometimes used for anchoring the foundation, which initially introduces the forces which occur on the machine side into two side plates made of structural steel, the two side plates each being connected to two welded transverse members.
  • the crossbars are each firmly connected to a number of suitably shaped anchor rods, so that the forces acting on the crossbars forces can be introduced into the anchor rods.
  • the anchor rods themselves are frictionally anchored in the concrete foundation, so that the forces are directed into the concrete foundation.
  • This patent describes a device for tensile anchoring of columns in concrete foundations.
  • the devices according to the invention have an anchor box for connection with, for example, a machine support on which several tie rods are laterally welded. After entering the tie rods in a concrete foundation and stressing the device during operation, the forces are derived from the anchor box on the tie rods along their length extension axis in the concrete foundation.
  • a disadvantage of this technical solution is that the devices must be completely prefabricated before incorporation into the concrete foundation. Due to the length and weight of the tie rods, this results in a very large handling and transport costs.
  • the so-proposed foundation anchoring should be improved in terms of manufacturing accuracy, handling and transportability. At the same time it should be suitable to transfer operating loads as well as accidental loads of a large-scale machine in a suitable manner to a concrete foundation, without having to fear a failure due to excessive bending stresses. Furthermore, the foundation anchoring is to achieve the most advantageous possible introduction of force, in particular avoiding secondary stresses in the concrete foundation. Likewise, it is desirable to propose a foundation anchor having an advantageous power-to-weight ratio, ie, the ratio of failure-free absorbable load and total weight of the foundation anchor should be advantageous. In addition, the foundation anchoring should allow tolerance compensation during assembly of the large-scale machine on the concrete foundation. This tolerance compensation should allow in particular the compensation of angular errors as well as positional errors.
  • a foundation anchoring for frictionally anchoring a large-scale machine in a concrete foundation comprising an anchor box having at least one lateral wall and a number of anchor rods attached to the anchor box, the anchor box having a fastening portion for fastening the large-scale machine by means of fastening bolts, wherein the anchor rods are connected to the at least one lateral wall in such a way that the introduction of force from the at least one wall into the number of anchor rods takes place substantially linearly along the longitudinal extension axis of the anchor rods, wherein the anchor rods are connected to the at least one lateral wall via anchor sleeves.
  • the objects underlying the invention are achieved in particular by a composite of such a foundation anchoring for non-positive anchoring a large-scale machine and a concrete foundation, in which the foundation anchoring is embedded, the foundation anchoring is embedded in the concrete foundation that the anchor box at least in large part the anchor rods are completely surrounded by concrete.
  • the anchor rods are connected to the at least one lateral wall via anchor sleeves.
  • the anchor rods can be bolted to the anchor sleeves.
  • an advantageous alignment of the anchor rods can be achieved after connection of anchor rods and anchor sleeves with respect to the anchor box.
  • the anchor box can be prefabricated with the anchor sleeves according to the execution of the company, the anchor rods only on site, ie. so be connected when entering the concrete foundation on site with the anchor sleeves. This improves on the one hand the handling effort as well as the transport costs.
  • the anchor rods of the foundation anchoring are also connected to the at least one lateral wall in such a way that the introduction of force is transmitted substantially linearly in the plane of the lateral wall, corresponding to the longitudinal expansion direction of the anchor rods. Accordingly, no force deflection is required before the force to be introduced into the concrete foundation can be transferred from the anchor box in the tie rods.
  • the forces introduced into the tie rods are transmitted essentially as compressive and tensile forces, wherein disadvantageous bending stresses can be avoided.
  • the linear introduction of force under force in the concrete foundation also allows the avoidance of creep, which may arise as a result of load-free biases of the foundation anchoring. Since the concrete foundation is subject to an aging process in the course of its existence, which is typically accompanied by a reduction in the volume expansion, a reduction of a prestress, which has the foundation anchoring in the concrete foundation in the load-free state, can also result. Such a bias is approximately provided when the anchor rods extend through the entire concrete foundation and at the opposite end of the anchor box load-biased and are screwed.
  • the composite anchorage foundation and concrete foundation is designed so that the anchor box at least in large parts and the anchor rods are completely surrounded by concrete.
  • the anchor rods which are ultimately responsible for the introduction of force into the concrete foundation allow, due to this complete embedding in the concrete, a non-positive introduction of occurring loads. In addition, creep can be avoided because the anchor rods are not subject to bias.
  • the anchor box provided by the invention has a fastening section for fastening the large-scale machine by means of fastening bolts.
  • the attachment portion is provided in a receptacle of the anchor box. This receptacle can be arranged within the anchor box, and be made accessible through suitable openings.
  • the arrangement of the anchor rods on the anchor box is symmetrical to the load axis of the foundation anchoring. Due to the symmetrical arrangement, the partial loads transmitted to the tie rods can be evenly distributed. Next guaranteed Such a symmetrical arrangement avoids overvoltages in the foundation anchoring, so that a generally lower probability of failure results.
  • the anchor sleeves are welded to the at least one lateral wall such that a perpendicular to the longitudinal extent of an anchor sleeve connecting line passes through the welds of the anchor sleeve through the center of gravity of the anchor sleeve in cross-section to the longitudinal extent of the anchor sleeve.
  • the at least one lateral wall has a recess for receiving an anchor rod or for receiving an anchor sleeve. Due to this recess, the level of force introduction into an anchor rod can be suitably adjusted. If, for example, an anchor rod is inserted into an embodiment recess such that its longitudinal extension axis coincides with the plane of the at least one lateral wall, a particularly suitable transmission of force from the wall to the anchor rod is possible. In particular, the provision of suitably dimensioned recesses can reduce the occurrence of bending stresses in the foundation anchoring.
  • the anchor box comprises a top plate, which is fixedly connected to the at least one lateral wall and allows to transmit the force introduced into the fastening portion to the at least one lateral wall. Consequently, the force introduced into the attachment portion can first be transmitted to the top plate, which detects the forces that occur suitably distributed on the at least one lateral wall. Consequently, an advantageous distribution of forces on the at least one lateral wall can be achieved.
  • the top plate with the at least one lateral wall via at least one circumferential weld, in particular via a double circumferential weld is firmly connected.
  • a circumferential weld in this case relates to a closed weld, such as a circular closed or rectangular formed closed weld.
  • the top plate is inserted into a suitably shaped opening of the anchor box, and connected by at least one circumferential weld with the at least one lateral wall of the anchor box.
  • the forces acting on the top plate forces can be suitably transmitted to all areas of at least one lateral wall, so that an advantageous distribution of forces on the at least one lateral wall results.
  • the formation of a double peripheral weld ensures a particularly firm connection of the top plate and the at least one lateral wall.
  • the attachment portion has a dome disc and a dome nut into which the fastening bolt can be screwed for attachment of the large-scale machine.
  • the fastening bolt of the large-scale machine is typically guided through a free opening of the spherical disk 35 and screwed into a suitably dimensioned mating thread in the cap nut.
  • the forces transmitted by the fastening bolt are transmitted to the cap nut and subsequently to the cap washer.
  • the calotte disc in turn transfers these forces to the anchor box in which it is accommodated. Due to the provision of a dome nut with a separate dome disc, an angular error can be compensated advantageous be, for example, by both against each other are hired.
  • the dome nut when a fastening bolt of the large-scale machine has been fastened in the fastening section, the dome nut is in press contact with the dome disk and again this dome disk is in press contact with the head plate.
  • the power transmission is therefore first on the calotte nut, from this on the calotte disc and this in turn on the top plate.
  • the dome disk in the anchor box presses against the top plate from the inside, so that it acts on the at least one lateral wall of the anchor box with a tensile force pointing away from the concrete foundation.
  • the dome nut has a raised centering portion, which engages in a recess in the dome disc such that both can be made angular contact with each other in press contact. Consequently, a press contact can be formed even at an angular position of the cap nut against the calotte disc, which ensures the transfer of forces from the calotte nut on the calotte disc.
  • the angular adjustment can be compensated for about angle errors that result when about the fastening bolt can be inserted and fixed in the mounting portion only at a predetermined angle. At the same time angle tolerances can be compensated, which has the fastening bolts in the large-scale machine.
  • the dome disc and the dome nut are received by the anchor box and against the at least one lateral wall of the anchor box perpendicular to this slidably, in particular displaceable by at least 20 mm, preferably by at least 25 mm. Accordingly, according to the execution have the dome disc as well as the dome nut in the anchor box are recorded, a lateral game to compensate for a Verschubmount by a displacement perpendicular to the at least one lateral wall can. According to the embodiment, this misalignment can be 20 mm or even 25 mm. This also manufacturing tolerances can be compensated, which has the bolt assembly on the large-scale machine.
  • the top plate may have an opening whose diameter allows such a displacement of the fastening bolt of the large-scale machine.
  • the diameter of the opening encompassed by the top plate must be made relatively larger in accordance with a predetermined displacement than the diameter of the fastening bolt itself.
  • the anchor box has a plurality of lateral walls, in particular four lateral walls, which are welded together, in particular via welded fillet welds are interconnected.
  • the anchor box can thus be made of flat-shaped plates, which can be connected together in an easy-to-carry out welding.
  • the plurality of lateral walls can also be made of structural steel plates, so that the production process can be carried out inexpensively and by means of industry-standard methods.
  • a welding of the plurality of side walls by means of welded fillet welds on the one hand ensures a particularly firm connection of the components, on the other hand locally formed eccentricities can be avoided again.
  • the anchor rods have thread ribs over at least part of their longitudinal extension, preferably over the entire length of their longitudinal extent.
  • these threaded ribs allow an advantageous connection of the anchor rods to the anchor box Anchor sleeves, which have a suitable mating thread. A combination of both can be achieved by simply screwing.
  • Further thread ridges represent advantageous protrusions on the surface of the tie rods, which form an advantageous anchor structure when embedded in the concrete foundation.
  • the anchor rods are in this case embedded in the concrete so that the concrete engages in the threads, and so the anchor rods are frictionally surrounded by the concrete foundation. By choosing a suitable size of thread, the degree of anchoring depth can be adjusted.
  • the tie rods are made of prestressing steel.
  • Prestressing steel is particularly suitable for absorbing tensile forces, as they can occur especially in a fault mode. According to the embodiment, the forces introduced without failure by the foundation anchoring into the concrete foundation can thus be significantly increased in comparison to ordinary structural steel.
  • the anchor rods have a length of at least 1500 mm, preferably of at least 2500 mm. This length is sufficient to be able to initiate also accident loads in the concrete foundation sufficiently safe without having to fear a failure of the foundation anchoring in the concrete foundation.
  • operating loads such as, for example, the power torque, the axial tension, thermal expansion loads, pipeline loads or unbalance loads can be sufficiently introduced into the concrete foundation.
  • accident loads such as those that occur when a blade fractures a steam turbine or during an earthquake occur, can be initiated so failure free in the concrete foundation.
  • the anchor rods are terminated on the opposite side of the anchor box in each case by a closure plate terminal.
  • the end plate is in turn completely embedded in concrete together with the anchor rods in the concrete foundation.
  • the anchor rods can in turn be screwed to a connection sleeve, which serves to fasten the end plates.
  • an isolated end plate can be suitably welded to a closure sleeve, which is then screwed terminally onto the anchor rods.
  • the execution completion plates also a suitable length adjustment of the individual anchor rods in relation to each other. Such is especially advantageous when inserting the foundation anchoring in the concrete foundation, as this can be done a suitable height and position adjustment of the anchor box.
  • the foundation anchoring in addition to a support element, which cooperates with the at least one lateral wall of the anchor box such that it can support the foundation anchoring against a base arranged under the concrete foundation.
  • the support element is typically designed as a rod, which is arranged in direct contact with the at least one lateral wall of the anchor box for support.
  • the support element primarily allows a temporary support of the foundation anchoring when embedded in the concrete foundation, in particular if the thickness expansion of the concrete foundation is greater than the longitudinal extent of the anchor rods. Accordingly, when embedded in the concrete foundation, the foundation anchor can be supported for proper alignment against a pedestal, although the anchor rods do not contact the pedestal.
  • this has a power weight of at least 10 kN / kg, preferably of at least 13 kN / kg and very particularly preferably of 15 kN / kg. Consequently, even large loads at relatively low weights of a foundation anchorage can effectively penetrate into the concrete foundation be initiated. At the same time, the weight saving of the foundation anchoring according to the embodiment allows a significant cost savings in terms of material expenses.
  • the foundation anchoring is adapted to non-destructive absorb forces of at least 2000 kN and preferably of at least 2500 kN and initiate into the concrete foundation.
  • the joints between the anchor box and the concrete foundation are filled with a low-shrinkage potting material. Due to the vibration inertness an all-round, non-positive environment of concrete of the anchor box is guaranteed. Thus, it is possible that even moments due to eccentric load are centered by a suitable horizontal force pair, which acts on the concrete at different heights of the anchor box. According to a continuation of this aspect, the entire foundation anchoring in the concrete foundation may be awarded by a suitable low-shrinkage potting material. For example. is to be mentioned as such a material PAGEL V1-50.
  • FIG. 1 1 shows a side sectional view through a composite of foundation anchor 1, as known from the prior art, and a concrete foundation 2.
  • the foundation anchor 1 comprises an anchor box 10, which is largely embedded in the concrete foundation 2 together with eight anchor rods 20.
  • the anchor box 10 has two lateral walls 11, which are each connected to two transverse members 50.
  • the connection of lateral wall 11 with cross-beam 50 takes place in each case in a mounting region 55.
  • the lateral wall 11 are welded together with a cross-beam 50 to form a rectangular arrangement.
  • anchor rods 20 are provided which have suitable thread ribs 25.
  • the anchor rods 20 are screwed into suitable anchor sleeves 15.
  • the anchor sleeves 15 are in each case firmly connected to a cross-beam 50 so that forces introduced into the anchor box 10 after being diverted into the cross-members 50 result in a force introduction into the tie rods 20. Due to this force diversion, however, stress peaks can occur, in particular in the region of the attachment region 55, which can cause a failure of the entire foundation anchorage 1 under heavy load. This weakness seeks to advantageously avoid the present invention due to the arrangement chosen.
  • FIG. 2 shows a rotated by 90 ° side sectional view through the in FIG. 1 It can be seen that the introduced into the anchor box 10 forces can only be initiated on two sides on opposite sides in the concrete foundation. In particular, only two lateral walls 11 are connected to two transverse members 50. However, a further two lateral walls 11 have no connection to the transverse members 50, which results in asymmetric force transmission into the concrete foundation 2, in particular in the case of eccentric introduction of force into the anchor box 10.
  • FIG. 3 shows an exploded view of various components of an embodiment of the foundation anchorage according to the invention 1.
  • the foundation anchorage 1 according to the embodiment comprises four lateral walls 11, which are joined at right angles to each other to form an anchor box 10.
  • the anchor box 10 is terminated by a top plate 12 terminal and on the opposite side of a bottom plate 39.
  • a dome disc 35 and a cap nut 36 are accommodated in the space portion defined by the joined side walls 11, the top plate 12 and the bottom plate 39.
  • Both the dome disk 35 and the dome nut 36 have a suitable opening, wherein in the dome nut 36, a not further shown fastening bolts of a large-scale machine can be suitably attached.
  • the bolt is carried out by an opening provided in the top plate 12 opening and screw with the cap nut 36.
  • the illustrated embodiment of the foundation anchor 1 comprises four anchor sleeves 15, which have a hexagonal outer cross-section.
  • the anchor sleeves 15 can be suitably inserted into the recesses 14 provided in the lateral walls 11, so that a spatial engagement towards the centrally arranged load axis of the system can be achieved.
  • the anchor sleeves 15 are each laterally welded by a weld, each with a lateral wall 11.
  • the foundation anchorage according to the invention 1 comprises four termination sleeves 27, which can be screwed terminally on the armature box 10 opposite side of the tie rods 20 with this.
  • the foundation anchorage 1 four end plates 26, which also terminate the anchor rods 20 terminal. According to the execution of the end sleeves 27 are welded to one end plate 26, and screwed on the armature box 10 opposite end of an anchor rod 20 with this.
  • the fastening section 30 encompassed by the anchor box 10 comprises the dome disc 35 with the dome nut 36.
  • the dome nut 36 has a conical center part 37, which is not further shown Groove 38 engages in the spherical cap 35, wherein both components can be employed at an angle to each other.
  • a press contact between the surface of the centering portion 37 and the surface of the recess 38 is formed, which provides a suitable non-positive power line.
  • a fastening bolt in the cap nut 36 presses the facing to the top plate 12 surface of the cap plate 35 against the top plate 12. This also ensures a positive power line.
  • FIG. 3 As in FIG. 4 indicated, are the in FIG. 3 shown side walls 11 connected to the top plate 12 by a circumferential weld.
  • the side walls 11 are connected to the top plate 12 by two circumferential welds.
  • the lateral walls 11 are welded to each other in the region of the mutually contacting edge regions.
  • FIG. 5 shows the in the FIGS. 3 and 4 illustrated embodiment of the foundation anchorage 1 according to the intended assembly of all components.
  • the anchor rods 20 encompassed by the foundation anchorage 1 have suitable threaded ribs 25 which can be screwed together with matching mating threads in the anchor sleeves 15 and the terminating sleeves 27, respectively.
  • the screw allows connection of anchor box 10 with the anchor rods 20 and consequently a needs-based handling of the individual parts during assembly.
  • a suitable length adjustment of the individual anchor rods relative to each other can be done.
  • FIG. 6 shows a side sectional view through a further embodiment of the foundation anchorage 1 according to the invention, in an already embedded in a concrete foundation 2 state.
  • the anchor box 10 is almost completely embedded in the concrete foundation 2. Only a slight projection of the anchor box 10 protrudes from the surface of the concrete foundation 2.
  • the supernatant is arranged in the region of the top plate 12, which has a circular opening. According to the illustration shown below lying below a dome plate 35 and a cap nut 36 are arranged.
  • the dome nut 36 is supported against the bottom plate 39.
  • the fastening bolt 110 is guided through the opening of the top plate 12, and screwed to the thread of the cap nut 36.
  • the opening of the cap plate 35 is slightly larger in diameter than the thread diameter of the cap nut 36.
  • the cap nut 36 against the cap plate 35 can be made at an angle, wherein the surface of the partially spherical centering section 37 presses against the surface of the correspondingly adapted recess 38 of the spherical disk 35.
  • the cap nut 36 and the cap plate 35 are slidably disposed in the anchor box 10.
  • the opening of the head plate 12 has a sufficiently large diameter, so that a displacement of a head plate 12 penetrating bolt is not hindered.
  • the size of the Opening in the top plate 12 can determine the maximum lateral displacement.
  • anchor rods 20 are arranged substantially parallel to the surfaces of the side walls 11. Further, only a small offset of the longitudinal extension direction of the tie rods 20 with respect to the planes of the side walls 11 is provided. This offset can also be essentially zero according to the embodiment. Due to this arrangement, the forces transmitted through the side walls 11 can be introduced substantially linearly without the formation of bending stresses in the anchor sleeves 15 and subsequently in the anchor rods 20.
  • the anchor rods 20 have for anchoring in the concrete foundation 20 suitably shaped thread ribs 25, in whose threads the concrete of the concrete foundation 2 engages.
  • FIG. 7 shows a first sectional view according to the sectional plane AA through the in FIG. 6 shown embodiment of the foundation anchorage 1.
  • the sectional view shows a plan view of the top plate 12, which is inserted into the defined by the four side walls 11 recess and fixed by a circumferential weld.
  • the opening received in the top plate 12 has a diameter which is larger than the diameter of a fastening bolt 110 of a large-scale machine 100 (not shown in the present case). Due to this difference in size, a lateral displacement of the fastening bolt 110 can be made possible for compensating production-related tolerances.
  • FIG. 8 shows a second sectional view according to the sectional plane BB through the in FIG. 6 Shown embodiment of the foundation anchorage 1.
  • the sectional view represents the anchor box 10 shows, and shows a plan view of the dome disc 35.
  • the view illustrates the lateral spacing of the dome plate 35 from the side walls 11, which allows a lateral displacement in the illustrated area.
  • FIG. 9 shows a further sectional view according to the sectional plane CC to that of the in FIG. 6
  • the cut leads through the lying between the bottom plate 39 and the anchor sleeves 15 sections.
  • FIG. 10 shows a further sectional view through the in FIG. 6 illustrated foundation anchorage 1 according to the cutting plane DD.
  • the cutting plane leads vertically through the anchor sleeves 15, which are each welded to the side walls 11.
  • the welding takes place by means of two welding seams 13 which connect the side edge regions of the lateral walls 11 with the outwardly directed surfaces of the anchor sleeves 15.
  • the welding is carried out in such a way that a connecting line extending perpendicularly to the longitudinal extent of an anchor sleeve runs through the weld seams of the anchor sleeve 15 through the center of gravity of the anchor sleeve 15 in cross-section to the longitudinal extent of the anchor sleeve 15.
  • FIG. 11 shows a further sectional view through the in FIG. 6
  • the section shows a plan view of the terminating sleeve 27 which is screwed terminally on an anchor rod 20 and which is welded to a cover plate 26.
  • FIG. 12 shows a further embodiment of an inventive composite of foundation anchorage 1 and concrete foundation 2.
  • the foundation anchorage 1 in this case has essentially no structural differences from the in FIG. 6 to FIG. 11 illustrated embodiment of the foundation anchor 1. It is clearly recognizable, however, that the foundation anchorage 1 is embedded in the concrete foundation 2 in such a way that the end plates 26 provided on the anchor rods 20 are aligned with each other at the same level. This orientation allows for incorporation of the foundation anchor 1 in the concrete foundation 2 an advantageous horizontal orientation.
  • FIG. 13 shows a further embodiment of the foundation anchorage 1 according to the invention, which is embedded in a concrete foundation 2.
  • a support member 45 which can be provided, for example.
  • the support element 45 is rod-shaped and is in contact with the at least one lateral wall 11 for support.

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  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
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EP13720840.1A 2012-05-15 2013-04-24 Fundament für Maschinen Active EP2847390B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13720840T PL2847390T3 (pl) 2012-05-15 2013-04-24 Fundament do maszyn

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012208114 2012-05-15
PCT/EP2013/058421 WO2013171040A1 (de) 2012-05-15 2013-04-24 Fundamentverankerung für grosstechnische maschinen

Publications (2)

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EP2847390A1 EP2847390A1 (de) 2015-03-18
EP2847390B1 true EP2847390B1 (de) 2016-09-28

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EP13720840.1A Active EP2847390B1 (de) 2012-05-15 2013-04-24 Fundament für Maschinen

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Country Link
US (1) US9273459B2 (ko)
EP (1) EP2847390B1 (ko)
JP (1) JP6150883B2 (ko)
KR (1) KR101602595B1 (ko)
CN (1) CN104285012B (ko)
ES (1) ES2609453T3 (ko)
PL (1) PL2847390T3 (ko)
WO (1) WO2013171040A1 (ko)

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GB2534934B (en) * 2015-02-06 2017-06-07 J K H Drainage Units Ltd Foundation assembly
CN104695438A (zh) * 2015-03-09 2015-06-10 淮安信息职业技术学院 地锚拉杆结构及其加工方法
DE102015004828A1 (de) * 2015-04-14 2016-10-20 Liebherr-Werk Biberach Gmbh Fundamentverankerung für Arbeitsmaschine
WO2016187615A1 (en) * 2015-05-21 2016-11-24 New Generation Steel Foundations, LLC Foundation anchor
CN105114100B (zh) * 2015-06-25 2018-02-09 同济大学 盾构隧道管片的棱角加固构件及其使用方法
CN109305391B (zh) * 2018-08-08 2021-12-21 上海宇航系统工程研究所 压紧释放机构及其方法
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EP2847390A1 (de) 2015-03-18
US9273459B2 (en) 2016-03-01
CN104285012A (zh) 2015-01-14
KR20140142753A (ko) 2014-12-12
KR101602595B1 (ko) 2016-03-10
PL2847390T3 (pl) 2017-05-31
CN104285012B (zh) 2016-06-01
ES2609453T3 (es) 2017-04-20
US20150128513A1 (en) 2015-05-14
JP6150883B2 (ja) 2017-06-21
JP2015516524A (ja) 2015-06-11
WO2013171040A1 (de) 2013-11-21

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