WO1996001928A1 - Gleitverbindung - Google Patents
Gleitverbindung Download PDFInfo
- Publication number
- WO1996001928A1 WO1996001928A1 PCT/AT1995/000127 AT9500127W WO9601928A1 WO 1996001928 A1 WO1996001928 A1 WO 1996001928A1 AT 9500127 W AT9500127 W AT 9500127W WO 9601928 A1 WO9601928 A1 WO 9601928A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hollow cylinder
- leader
- recess
- sliding connection
- legs
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
- E02D7/14—Components for drivers inasmuch as not specially for a specific driver construction
- E02D7/16—Scaffolds or supports for drivers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
- E02D7/14—Components for drivers inasmuch as not specially for a specific driver construction
Definitions
- the invention relates to a sliding connection for guiding a moving weight, in particular a ram and / or guiding a guide unit connected to a lifting arm, preferably by means of a rotary-swivel unit, with a leader, in particular in a device for ramming masts, pilots, foundations or the like, wherein the leader has a rectangular or square cross section, and consists of four plates or the like arranged at right angles to one another, the edges of which are formed by four circular cross-section supporting guide columns.
- the sliding connections for guiding the ram bear consist of angles which are arranged on the support guide columns and which are encompassed by U-shaped brackets which are connected to the ram bear.
- the same type of design is also used for the connection of the support guide columns to the guide unit.
- the object of the invention is therefore to provide a sliding connection of the type cited at the outset, which on the one hand avoids the disadvantages of the known guide bearings, and on the other hand, the immense forces of the moments, especially the transverse moments, which arise at any position of the leader in space, are mastered.
- the object is achieved by the invention.
- This is characterized in that at least two opposite plates of the leader are arranged parallel to the center of the leader and are displaced parallel from the corner column axes inwards, that two coaxial hollow cylinders are arranged one inside the other, the outer hollow cylinder being connected to the weight or the guide unit is and the inner hollow cylinder encloses the support guide column more than 180 °, in particular 260 °, and the end faces are designed as an outer flange for the outer hollow cylinder, and that the hollow cylinder arranged as a guide bearing on the support guide column and one inside the other has a circular sector-like cross section Have recess, the chord of this recess on the inner diameter of the inner hollow cylinder is smaller than the diameter of the support guide column and the two cut surfaces of the circular sector-like leg form a right angle, and the crossing point di eser leg on the side having the sector-like recess, outside the center of the guide bearing.
- the invention makes it possible for the first time to create a sliding connection which can withstand all transverse forces in any position of the leader in space.
- the leader with the battering ram can be swiveled 90 ° out of the vertical and can be shouldered for transport, without taking any risks.
- Lever torques occur, which can amount to several thousand kpm.
- the invention ensures that the tensile and compressive forces are properly controlled.
- the inner hollow cylinder made of a relatively soft material, preferably a bearing material, in particular made of bronze, and the outer hollow cylinder made of a relatively hard material, in particular steel.
- a slight clearance is provided between the inner diameter of the outer hollow cylinder and the outer diameter of the inner hollow cylinder. Since it is not necessary to have exact dimensions, the manufacturing costs are reduced considerably.
- the length of the chord of the recess on the inner diameter of the outer hollow cylinder is greater than the distance between the legs and those running parallel to the legs
- FIG. 1 shows a ramming device, FIG. 2 a, the slide connection in plan view, FIG. 2 b a section AA of FIG. 2 a, FIG. 2 c the slide connection with support guide column and FIG. 3 a plan view of the slide connection with the support guide column.
- a leader 20 is vertical in the working position. It is housed by a lifting arm 22, the free end of which is connected to a rotary-swivel unit 27 of the leader 20.
- the sliding connections or guide bearings 1 are pushed onto a supporting guide column 29, which is part of the leader 20.
- the guide bearings 1 are rigidly connected to a ram bear 21 by means of holding arms 28.
- a foundation device 24 to be driven is vertical under the ram 21 set up on the ground 25 and a striking hood 23 of the ram bear 21 placed on the upper free end of the foundation device 24.
- the guide unit 26 is also connected to a supporting guide column 29 of the leader 20 by means of this guide bearing 1.
- the sliding connection or the guide bearing 1 consists of an outer hollow cylinder 16 and an inner hollow cylinder 2 arranged coaxially therewith. Between the inner diameter (di) of the outer hollow cylinder 16 and the outer diameter (da) of the inner hollow cylinder 2 there is a slight play; the inner rotating surface 5 of the inner hollow cylinder 2 is designed as a sliding surface. The inner surface of rotation 5 of the inner hollow cylinder 2 includes the support guide column 29 with play. The length of the chord 6 on the inner diameter (di) of the inner hollow cylinder 2 is less than the diameter of the support guide column.
- the end faces of the inner hollow cylinder 2 are designed as outer flanges 7 and rest against the end faces 8 of the outer hollow cylinder 16 with play.
- the guide bearing 1 has, uniformly parallel to its longitudinal center axis 17, a recess 10 in the form of a circular sector in its basic shape.
- the two legs 11, 12 forming the cut surfaces of the circular sector-like recess 10 enclose an angle of 90 °.
- the point of intersection of these legs 11, 12 lies on the side having the sector-like recess 10, outside the center of the guide bearing 1.
- the wall thickness of the outer hollow cylinder 16 must be less than the length of the chord 6 on the inner diameter (di) of the inner one Hollow cylinder 2 to allow intertwining.
- the support guide column is part of the leader 20, with at least two parallel, opposing plates 30 being arranged in parallel, displaced inward from the corner column axes towards the center of leader 20.
- the two other plates 31 can be welded in the center to the support guide column 29.
- the battering bear 21 is connected to the leader 20 via holding arms 28 which are arranged on the outer hollow cylinder.
- the inner hollow cylinder 2 should therefore encompass the support guide column 29 with preferably 260 °.
- the chord 13 on the inner diameter of the outer steel cylinder 16 must be larger than the distances a, b. These distances result from the legs 11, 12 and the associated parallel tangents on the outer circumference of the inner hollow cylinder 2.
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Earth Drilling (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP95921647A EP0769086B1 (de) | 1994-07-07 | 1995-06-22 | Mäkler mit einer gleitverbindung |
AU26646/95A AU2664695A (en) | 1994-07-07 | 1995-06-22 | Sliding link |
DE59503284T DE59503284D1 (de) | 1994-07-07 | 1995-06-22 | Mäkler mit einer gleitverbindung |
FI970008A FI970008A (fi) | 1994-07-07 | 1997-01-02 | Liukuliitoksen käsittävä juntta |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0134394A AT400732B (de) | 1994-07-07 | 1994-07-07 | Gleitverbindung |
ATA1343/94 | 1994-07-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996001928A1 true WO1996001928A1 (de) | 1996-01-25 |
Family
ID=3511855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AT1995/000127 WO1996001928A1 (de) | 1994-07-07 | 1995-06-22 | Gleitverbindung |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0769086B1 (de) |
AT (1) | AT400732B (de) |
AU (1) | AU2664695A (de) |
DE (1) | DE59503284D1 (de) |
FI (1) | FI970008A (de) |
WO (1) | WO1996001928A1 (de) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2128236B (de) * | Delmag-Maschinenfabrik Reinhold Dornfeld, 7300 Esslingen | Mäkler mit Führungsrohren zur Führung von Rammen, Pfahlziehgeräten od.dgl | ||
FR2195982A5 (de) * | 1972-08-10 | 1974-03-08 | Goeteborgs Betongpalar | |
US4124081A (en) * | 1975-05-07 | 1978-11-07 | Foresight Industries | Post driving machine |
WO1993025765A1 (de) * | 1992-06-10 | 1993-12-23 | Elin Energieversorgung Gesellschaft M.B.H. | Einrichtung zum rammen einer fundierung vorzugsweise für einen mast |
-
1994
- 1994-07-07 AT AT0134394A patent/AT400732B/de not_active IP Right Cessation
-
1995
- 1995-06-22 DE DE59503284T patent/DE59503284D1/de not_active Expired - Lifetime
- 1995-06-22 EP EP95921647A patent/EP0769086B1/de not_active Expired - Lifetime
- 1995-06-22 WO PCT/AT1995/000127 patent/WO1996001928A1/de active IP Right Grant
- 1995-06-22 AU AU26646/95A patent/AU2664695A/en not_active Abandoned
-
1997
- 1997-01-02 FI FI970008A patent/FI970008A/fi not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2128236B (de) * | Delmag-Maschinenfabrik Reinhold Dornfeld, 7300 Esslingen | Mäkler mit Führungsrohren zur Führung von Rammen, Pfahlziehgeräten od.dgl | ||
FR2195982A5 (de) * | 1972-08-10 | 1974-03-08 | Goeteborgs Betongpalar | |
US4124081A (en) * | 1975-05-07 | 1978-11-07 | Foresight Industries | Post driving machine |
WO1993025765A1 (de) * | 1992-06-10 | 1993-12-23 | Elin Energieversorgung Gesellschaft M.B.H. | Einrichtung zum rammen einer fundierung vorzugsweise für einen mast |
Also Published As
Publication number | Publication date |
---|---|
ATA134394A (de) | 1995-07-15 |
DE59503284D1 (de) | 1998-09-24 |
AT400732B (de) | 1996-03-25 |
EP0769086B1 (de) | 1998-08-19 |
FI970008A0 (fi) | 1997-01-02 |
EP0769086A1 (de) | 1997-04-23 |
FI970008A (fi) | 1997-01-02 |
AU2664695A (en) | 1996-02-09 |
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