• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Rammspitze (1) for a substantially tubular, in particular hollow cylindrical, pile pile (2) with a pile core (3) through which concrete in the driven pile (2) can be introduced, wherein the ram point (1) on a pile end (4) of the pile pile (2) is attachable, wherein on an inner wall (5) of the Rammspitze (1) at least a first support web (6) having a first bearing surface (7) for an end face (8) of the pile end (4) is arranged, wherein the Rammspitze ( 1), starting from the plane of the first support surface (7) has a at least partially in Einrammrichtung (E) extending cavity (9), in the plugged-Rammpfahl (2) through the pile core (3) concrete can be introduced, wherein at least one concrete outlet channel (10) is provided which connects the cavity (9) with an upper edge (11) of the ram tip (1).
    公开号:AT512161A4
    申请号:T485/2012
    申请日:2012-04-20
    公开日:2013-06-15
    发明作者:
    申请人:Duktus S A；
    IPC主号:
    专利说明:

    1 ·· · · 71153 30 / hn
    The invention relates to a ramming tip for a substantially tubular, in particular hollow cylindrical, pile pile with a pile core through which concrete can be introduced into the pile, the ram tip being attachable to a pile end of the pile pile, wherein on an inner wall of the ram tip at least a first bearing web a first bearing surface is arranged for an end face of the Pfählendes.
    Such Rammspitzen be used in the construction industry for the production of pile foundations. The individual piles, which are usually made of ductile cast iron and have predetermined lengths of, for example, five meters, are plugged into each other to produce a pile foundation. In order to facilitate the nesting of piles and thus the extension of a pile foundation, the piles usually have a conically tapered first Pfählende and a sleeve formed to a second Pfahlende. As a result, pile by pile can be driven into the ground, which can be produced quickly and inexpensively pile foundations of any length. Piles of this type are usually produced in a centrifugal casting process with a shaping rotating mold. This results in substantially cylindrical tubular piles, which are hollow inside. Depending on the type of use, these hollow cylindrical piles can be filled or sheathed with concrete or any other suitable grout after being grounded to produce a stable foundation.
    To produce a so-called mantle-pressed pile foundation, a ram tip is slipped onto the first driven pile, whose outer diameter is larger than the outer diameter of the driven pile. As a result, an annular space can be generated during ramming, which can be filled up by a compression with the injection material or concrete. For this purpose, during pumping, a pumpable concrete mortar, which usually has a grain size of up to 4 mm, is conveyed through the hollow pile core of the driven pile to the pile base and pressed into the ground at the ramming point. Thus, the concrete pressing takes place simultaneously with the pile pile and is on reaching the final depth of the »« * «* * * *« * · «· · ································. • 9 9 9 919 9 9 9 9 · ft t · · l · ft | · 9 »» V · ft 99ft 99 99 2
    Pile foundation completed. By Mantelverpressung a considerable increase in the working load of a pile foundation is possible, especially in gravel and sands, because in large-grained soils between the compression jacket and ground a much higher skin friction prevails as between the pile tube of a non-pressed pile and the ground.
    So that the concrete mortar introduced into the pile core of a pile pile can exit from the pile pile and form a grouting jacket around the pile pile, it is known in the prior art to cut out corresponding openings from the pile pile. However, this leads to a weakening of the pipe cross-section and thus to static instabilities of a pile foundation.
    The object of the invention is to provide an improved Rammspitze can be made with the pile foundations while avoiding the disadvantages described above.
    This object is achieved by the features of claim 1. Advantageous embodiments of the invention are specified in the dependent claims.
    According to the invention, it is thus provided that the ramming point has, starting from the plane of the first support surface, a cavity extending at least partially in the insertion direction into which concrete can be introduced through the pile core when the driven pile is plugged in, wherein at least one concrete outlet channel is provided which carries the hollow space connects to an upper edge of the Rammspitze.
    As a result, concrete mortar or another suitable injection material can be introduced into the annular space between the outer diameter of the ramming tip and the outer diameter of the driven pile during ramming, without corresponding cuts or openings having to be made in the jacket of the driven pile. In other words, the Rammpfahl need not be manipulated when using a Rammspitze according to the invention, whereby no unwanted weakening of the pipe cross-section of the driven pile takes place. «* Φ Φ Φ Φ Φ Φ Φ Φ Φ Φ Φ Φ Φ φ · · · · Φ Φ Φ Φ Φ Φ Μ Φ Ι · Φ Φ φ φ 3
    In a particularly preferred embodiment, the ram point at least partially, preferably completely, made of cast iron and has a substantially rotationally symmetrical outer shape, wherein the axis of rotation extends substantially in Einrammrichtung. If an outer diameter of the ram tip in the driving direction substantially continuously reduced, a pile foundation with the use of a proposed Rammspitze can be particularly easily rammed. Of course, however, it can also be provided that the outside diameter of the ram tip is essentially constant along its extension in the direction of insertion.
    Since mostly hollow-cylindrical ramming piles are used, it is provided in an advantageous development of the invention that the at least one first support web is formed in cross-section to Einrammrichtung as a circular segment or circular segment. It is advantageous if a circular arc of the circular segment or annulus segment extends over less than 340 °, preferably over 40 ° to 120 °, more preferably over 70 ° to 90 °.
    In a particularly preferred embodiment, it can be provided that a plurality of concrete outlet channels, preferably three concrete outlet channels, is or are provided. Preferably, in each case two concrete outlet channels of the plurality of concrete outlet channels are arranged in cross section to the Einrammrichtung along the inner wall of the Rammspitze substantially equidistant to each other. Of course, the concrete outlet channels can also be arranged along the inner wall of the Rammspitze that they have irregular distances from one another.
    For centering and / or positionally stable fixing of the driven pile, at least one radially inwardly projecting supporting device may be provided on the inner wall. In this case, preferably, the at least one radially inwardly projecting support device may be formed as a plurality of support ribs.
    In order to provide a universally replaceable ram tip for a plurality of piles with different outer diameters, can be provided in a preferred embodiment that on the inner wall of the ram tip at least a second support web is arranged with a second bearing surface for a front side of a Pfählendes, wherein in Einrammrichtung the distance of the second bearing surface from the edge of the Rammspitze is greater than the distance of the first bearing surface from the edge of the Rammspitze. But it is also possible that the first and second bearing surfaces lie in the same plane. In general, the first and second bearing surfaces can preferably lie in a plane parallel to a cross-sectional plane transversely to the direction of insertion E.
    Particularly advantageous is that embodiment of the invention in which the ram tip is made in one piece. It is of course also possible that the Rammspitze is designed in several parts.
    Further details and advantages of the present invention will be explained with reference to the following description of the figures. It shows or show
    1a is a longitudinal section of a proposed Rammspitze along the Einrammrichtung,
    2a, a longitudinal section of another proposed Rammspitze with two different bearing surfaces for two piles with different outer diameters and Fig. 2b shows a cross section along section line A-A ram tip of Fig. 2a.
    Fig. 1a shows a longitudinal section of a proposed Rammspitze 1 along a Einrammrichtung E and Fig. 1b shows a cross section along section line A-A. The Rammspitze 1 is made in one piece in this example and is made of ductile cast iron. The outer shape of the Rammspitze 1 is rotationally symmetrical with respect to the rotation axis R formed. At an upper edge 11, the ram tip 1 has an outer diameter D which is greater than an outer diameter Dp of an attached pile pile 2. In Einrammrichtung E, the outside decreases • KM * »IM-L '1 • · · · * * · φ ·· ***** · · * · «* I · ** ·« φν «·· • ··« ···· · · t * · ***** · · * * * * * · ································································································································································································································
    From the inner wall 5 of the Rammspitze 1 are opposite the Einrammrichtung E from a plurality of first support webs 6, each having a first bearing surface 7. The first bearing surfaces 7 of the first support webs 6 lie in a plane and form a defined total stop for the end face 8 of a Pfählendes 4 a pinned Rammpfahls 2. By this defined stop the driven pile 2 in Einrammrichtung E so far attached to the Rammspitze 1 be until the end face 8 of the pile pile 2 rests against the first bearing surfaces 7 of the first support webs 6. The maximum insertion depth of the driven pile 2 in Einrammrichtung E results from the distance T from the upper edge 11 of the Rammspitze 1 to the plane of the first bearing surfaces. 7
    Starting from the plane of the first bearing surfaces 7, a cavity 9 is formed in the Rammspitze 1, which extends in Einrammrichtung E. Between the cavity 9 and the upper edge 11 of the Rammspitze 1 three concrete outlet channels 10 are formed in this example. This makes it possible that in the production of a pile foundation concrete mortar, which is introduced through the pile core 3 of the pile pile 2 and penetrates via the end face 8 in the cavity 9, passes through the concrete outlet channels 10 to the outer wall of the driven pile 2 and thus the production of a Mantelverpressung allows.
    FIG. 1b shows the ram tip 1 of FIG. 1a in a cross-sectional view according to section line A-A of FIG. 1a. In this illustration, it can clearly be seen that the stop arranged at a distance T from the upper edge 11 of the ramming tip 1 in the direction of insertion E for the end face 8 of the driven pile 2 is formed by a total of three first bearing surfaces 7. Each of the three first support webs 6 is formed in cross section to the Einrammrichtung E as a circular ring segment. The circular arc 12 of each circular segment each extends over an angular range of 80 ° and the three circular arcs 12 are arranged distributed uniformly along an imaginary circle. M * t * · »+ *· *« * * * Μ »* * * * * · * * I * * * ΦΦ * ft * * * *« · · * Φ Φ Φ φ φ Φ φ φ · · * · Φφ φφ φ φφ · φφ φ · 6
    Between each two first support webs 6, a concrete outlet channel 10 is arranged. In each case, two concrete outlet channels 10 along the inner wall 5 of the Rammspitze 1 are arranged substantially at equal distances from each other. Along the inner wall 5 each concrete outlet channel 10 extends over an angular range of 40 °. For centering and / or position-stable fixation of the driven pile 2, a plurality of support ribs are arranged as supporting devices 13 on the inner wall 5.
    Fig. 2a shows a possible development of a Rammspitze 1 according to Fig. 1a. In addition to first support webs 6 for a first driven pile 2, this embodiment additionally has second support webs 6 'for a second driven pile 2' with a different outer diameter DP 'relative to the driven pile 2. Each second support web 6 'has a second bearing surface 7', wherein the sum of the second bearing surfaces T forms a defined stop for the end face 8 'of the second driven pile 2'. In Einrammrichtung E, the distance T of the second bearing surfaces 7 'from the edge 11 of Rammspitze 1 is greater than the distance T of the first bearing surfaces 7 from the edge 11 of Rammspitze 1. Of course, it would also be possible that both bearing surfaces 7, 7' in the same plane lie. In this case, only the width of a support surface 7, 7 'in the radial direction needed to be so large that it is suitable for the entire bandwidth of the outer diameter Dp, DP' of the driven piles 2,2 'to be used.
    2b shows the ram tip 1 of Fig. 2a in a cross-sectional view along section line A-A. It can be seen here that the bearing surfaces 7, 7 'corresponding to the different outer diameters DP, DP' of the driven piles 2, 2 'have a different radial distance from the axis of rotation R of the ramming tip 1. The structural design of the ram point 1 shown, however, is otherwise similar to the Rammspitze 1 of Fig. 1b.
    Innsbruck, on April 19, 2012
    权利要求:
    Claims (12)
    [1]
    • -auWdHOW.yf · ♦ • · · · · · · · · · · · · · · · * * * * * * t *· • * «· · tt ·« 1 ·· ·· «* · · · · · 71153 30 1. Rammspitze (1) for a substantially tubular, in particular hollow cylindrical, pile pile (2) with a pile core (3) through which concrete in the driven pile (2) can be introduced, wherein the ram point (1) on a Pfählende (4) of the pile (2) can be plugged, wherein on an inner wall (5) of the ram tip (1) at least a first support web (6) with a first bearing surface (7) for an end face (8) of the Pfählendes (4) characterized in that the ram point (1), starting from the plane of the first support surface (7) has an at least partially in Einrammrichtung (E) extending cavity (9), in the plugged-on pile pile (2) by the pile core (3 ) Concrete is introduced, wherein at least one concrete outlet channel (10) is provided, which the cavity (9) with a upper edge (11) of the ram tip (1) connects.
    [2]
    2. Rammspitze according to claim 1, characterized in that the ram tip (1) has a substantially rotationally symmetrical outer shape, wherein the axis of rotation (R) substantially in Einrammrichtung (E).
    [3]
    3. Rammspitze according to claim 1 or 2, characterized in that the at least one first support web (6) is formed in cross-section to the Einrammrichtung (E) as a circular segment or annulus segment.
    [4]
    4. Rammspitze according to claim 3, characterized in that a circular arc (12) of the circular segment or annulus segment extends over less than 340 °, preferably over 40 ° to 120 °, more preferably over 70 ° to 90 °.
    [5]
    5. Rammspitze according to one of claims 1 to 4, characterized in that a plurality of concrete outlet channels (10), preferably three concrete outlet channels (10), is provided or. are. φ • * • t t t t t t t t t t t 2 2 2 2 2 2 2 2 2 2 2
    [6]
    6. Rammspitze according to claim 5, characterized in that in each case two concrete outlet channels (10) of the plurality of concrete outlet channels (10) in cross section to the Einrammrichtung (E) along the inner wall (5) of the ram tip (1) are arranged substantially equally spaced ,
    [7]
    7. Rammspitze according to one of claims 1 to 6, characterized in that on the inner wall (5) at least one radially inwardly projecting support device (13) for centering and / or position-stable fixation of the driven pile (2) is provided.
    [8]
    8. Rammspitze according to claim 7, characterized in that the at least one radially inwardly projecting support device (13) is designed as a plurality of support ribs.
    [9]
    9. Rammspitze according to one of claims 1 to 8, characterized in that on the inner wall (5) of the ram tip (1) at least a second support web (6 ') with a second bearing surface (7') for an end face (8 ') of a Pfählendes (4 ') is arranged, wherein in Einrammrichtung (E), the distance (T) of the second bearing surface (7') from the edge (11) of the ram tip (1) is greater than the distance (T) of the first bearing surface (7) from the edge (11) of the Rammspitze (1).
    [10]
    10. Rammspitze according to one of claims 1 to 9, characterized in that an outer diameter (D) of the ram tip (1) in the driving direction (E) substantially continuously reduced.
    [11]
    11. Rammspitze according to one of claims 1 to 10, characterized in that the Rammspitze (1) is made in one piece.
    [12]
    12. Rammspitze according to one of claims 1 to 11, characterized in that the Rammspitze (1) at least partially, preferably completely, made of cast iron. Innsbruck, on April 19, 2012
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    法律状态:
    2014-07-15| PC| Change of the owner|Owner name: TIROLER ROHRE GMBH, AT Effective date: 20140602 |
    2019-12-15| MM01| Lapse because of not paying annual fees|Effective date: 20190420 |
    优先权:
    申请号 | 申请日 | 专利标题
    ATA485/2012A|AT512161B1|2012-04-20|2012-04-20|Rammspitze for a substantially tubular, in particular hollow cylindrical, pile pile|ATA485/2012A| AT512161B1|2012-04-20|2012-04-20|Rammspitze for a substantially tubular, in particular hollow cylindrical, pile pile|
    DK13716208.7T| DK2839083T3|2012-04-20|2013-04-12|pile shoe|
    TR2018/02478T| TR201802478T4|2012-04-20|2013-04-12|Pile of shoes.|
    PCT/EP2013/001069| WO2013156126A1|2012-04-20|2013-04-12|Drive point for a pile|
    HUE13716208A| HUE035815T2|2012-04-20|2013-04-12|Pile shoe|
    SI201330959T| SI2839083T1|2012-04-20|2013-04-12|Pile shoe|
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    EP13716208.7A| EP2839083B9|2012-04-20|2013-04-12|Pile shoe|
    PL13716208T| PL2839083T3|2012-04-20|2013-04-12|Pile shoe|
    ES13716208.7T| ES2660386T3|2012-04-20|2013-04-12|Pole tip for pole|
    US14/509,369| US9725865B2|2012-04-20|2014-10-08|Drive point for a pile|
    HRP20180297TT| HRP20180297T1|2012-04-20|2018-02-16|Pile shoe|
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