EP0167991A2 - Dispositif de tête à pivot pour l'assemblage articulé et en tout temps démontable d'un étrésillon de tranchée à une paroi de blindage - Google Patents

Dispositif de tête à pivot pour l'assemblage articulé et en tout temps démontable d'un étrésillon de tranchée à une paroi de blindage Download PDF

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Publication number
EP0167991A2
EP0167991A2 EP85108310A EP85108310A EP0167991A2 EP 0167991 A2 EP0167991 A2 EP 0167991A2 EP 85108310 A EP85108310 A EP 85108310A EP 85108310 A EP85108310 A EP 85108310A EP 0167991 A2 EP0167991 A2 EP 0167991A2
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EP
European Patent Office
Prior art keywords
head
spreader
pipe section
block
receptacle
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.)
Withdrawn
Application number
EP85108310A
Other languages
German (de)
English (en)
Other versions
EP0167991A3 (fr
Inventor
Benno Domesle
Karl H. Pacik
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0167991A2 publication Critical patent/EP0167991A2/fr
Publication of EP0167991A3 publication Critical patent/EP0167991A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/06—Foundation trenches ditches or narrow shafts
    • E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations

Definitions

  • the invention relates to a joint head arrangement according to the preamble of claim 1.
  • shoring devices are often used, which can also be referred to as "shoring boxes" and essentially consist of two shoring plates or shoring walls arranged in parallel or almost parallel and at a distance from one another, which are kept apart by several spreaders.
  • the known joint head arrangements are very complex, since the spring device, like the joint bolt forming the joint connection, is in each case part of an expanding head which is designed in a complex manner as a slide shoe and can be inserted into a guide rail of the relevant shoring wall.
  • the invention has for its object to provide a joint head assembly according to the preamble of claim 1, in which, while maintaining the restoring effect for the struts or the spreader head by the spring device, the spreader head is particularly inexpensive and simple as a cut of a commercially available tubular profile and all parts of the Spring device are effectively protected against the ingress of dirt.
  • the spring sections at least partially, i.e. All essential parts of the spring device are effectively secured against soiling, especially with their contact surfaces bearing against the mating surfaces of the expansion head and with the adjacent effective spring areas within the pipe piece forming the expansion head.
  • the separation point necessary for the releasable connection of the struts on the shoring walls or for the exchange of struts of different lengths is provided in the area of the joint point between the straddle head and the straddle receptacle, since the spring device on the respective, with the shoring wall fixedly connected Spreizenage is fixed, and furthermore, since the spring portions of said spring means upon insertion of the Spreizenkopfes in the Spreizenage as required for the envisaged by the spring means action are biased, it is in the inventive Gelenkko p fanowskiowski possible to Spreizenkopf as a blank of a commercially available To form a tubular profile, for example a tubular profile with a rectangular or square cross section.
  • the spreader consists only of two or more telescopically intermeshing pipe sections of a conventional or commercially available pipe profile, the two outer pipe section ends forming the spreading heads.
  • the joint head arrangement according to the invention is characterized by a particularly simple and inexpensive construction, especially since the spring devices which prevent the shoring walls from tipping over in the case of a shoring device placed laterally from a trench to be excavated or placed on a storage location are only provided on the shoring walls or on parts of these shoring walls are while the Spreading and in particular also those that are not currently being used do not require such spring devices.
  • these spring sections lie with their direction of action as perpendicular as possible to the longitudinal extension of this pipe section.
  • the prestressing of the spring sections when the spreader head is inserted into the spreader receptacle is achieved in a particularly simple manner in that the counter surfaces on the inside of the pipe section and / or (in the case of relaxed spring sections) the surfaces of these spring sections forming the contact surfaces with respect to the longitudinal extent of the pipe section or opposite the plane formed by this longitudinal extension and the axis of the hinge pin are inclined such that the distance between the counter surfaces or the distance between the surfaces forming the contact surfaces of the spring sections increases in the insertion or insertion direction of the pipe section from the longitudinal extension of this pipe section.
  • the hinge pin which, after the insertion of the S p stimulus head, fixes it to the spreader receptacle and connects it to the spreader receptacle in an articulated manner, is frustoconical at one end, so that when the hinge pin is driven in, it initially only partially has bearing holes in it the spreader seat and in the spreader head of the latter is shifted relative to the spreader seat in the sense of a pretensioning of the spring sections.
  • shoring wall is to be understood to mean both plate-shaped shoring elements which form part of a shoring box and to which the spreaders are directly attached, and also devices which are formed by posts and shoring panels arranged between these posts as infill elements, regardless of whether the shoring panels are fixed or slidable in the posts.
  • 1 and 2 are two plate-shaped shoring walls of a shoring device designed as a lowerable box and used, for example, for shoring conduit trenches.
  • the two shoring walls 1 and 2 are held apart in the embodiment shown by four spreaders 3, each of which consists of two hollow tubes or pipe sections 3 ′ and 3 ′′ made of steel that interlock at one end, which in the embodiment shown one have a square cross-section.
  • the two hollow tubes 3 'and 3 "are connected to one another at their telescopically interlocking or overlapping part by a connecting bolt 4, which extends through overlapping openings or bores 5 in the hollow tubes 3' and 3".
  • the openings 5 on the hollow tube 3 ′′ form a row of holes, with the aid of which the effective length of each strut 3 can be adjusted.
  • each spreader 3 is articulated on both sides with the aid of an articulated head 6 on the shoring walls 1 and 2. With the help of this joint head, pivoting of the respective struts 3 by a certain amount relative to the respective shoring wall 1 or 2 is possible, specifically about a horizontal axis running perpendicular to the longitudinal extent of the struts 3.
  • Each joint head 6 consists of a strut holder 7 which is fastened to the inner surface of the relevant shoring wall 1 or 2, in the embodiment shown in that the strut holder 7 has a base plate 8 resting against the shoring wall 1 or 2 with a surface side , which is welded to the sheeting panel along its edge.
  • a surface side facing away from the shoring wall 1 or 2 two plate-shaped wall or bracket elements 9, which are arranged parallel and at a distance from one another and are attached to the base plate 8, are parallel to one another with their surface sides and in vertical, perpendicular to the Surface sides of the shoring walls 1 and 2 lying levels are arranged.
  • the wall elements 9 are in the for the F ig.
  • the two wall elements 9 are connected to one another by wall elements 10 and 11, so that the wall elements 9, 10 and 11 together with the base plate form a cup-shaped element with an opening or an interior space 12 with a square inner cross section, which leads to the the facing wall 1 or 2 facing away from side 13 is open and the bottom of which is formed by the base plate 8.
  • the tube piece 3 ′ or 3 ′′ protrudes into the opening 12 with its end facing away from the connecting bolt 4 and is pivotably supported there by means of an articulated bolt 14 which passes through bearing openings in the two wall elements 9 and through bearing openings in the parallel to the wall elements 9 lying side surfaces of the pipe section 3 'or 3 "is mounted.
  • the arrangement of the hinge pin 14, which has its axis in the horizontal direction and perpendicular to the longitudinal extension L of the respective spreader 3 or of the pipe section 3 'or 3 " is such that the end of the pipe section 3' or 3" facing the base plate protrudes with a length a over the hinge pin 14.
  • a leaf spring with two spring sections or with two contact surfaces lies against the counter surfaces 15.
  • the leaf spring 16 consists of a central, U-shaped section with two legs 17 and 18, which are connected to one another via a yoke piece 19 and are essentially perpendicular to the surface sides of the base plate 8. With the help of the yoke piece 19 which is within the strut mount 7 and with the joint mounted Head 6 partially also within the pipe section 3 'or 3 "arranged leaf spring 16 held using a screw 20 with nut 21 on the base plate 8.
  • Each leg 17 or 18 merges at its end remote from the base plate 8 into a hook-like bent leg 22 or 23, so that the leg 17 with the leg 22 is a U-shaped section open towards the base plate 8 and the leg 18 with the Leg 23 form a U-shaped section of the spring element 16 which is also open towards the base plate 8.
  • the legs 22 and 23 are again bent outwards, ie away from the legs 17 and 18, so that there are outwardly curved regions 24 and 25, which form the contact surfaces with which the leaf spring 16 opposes the counter surfaces 15 abuts.
  • the leaf spring 16 is shaped such that when the leaf spring is relaxed or when the pipe section 3 'or 3 "is removed from the spreading receptacle 7, both the legs 17 and 18 and the legs 22 and 23 relative to their position shown in FIG. 2 2 for the legs 17 and 22 with broken lines, as a result of which it is achieved that the leaf spring 16 rests with both contact surfaces 24 and 25 under prestress against the associated counter surface 15, regardless of the respective swivel position of the pipe section 3 'or 3 "relative to the associated shoring wall 1 or 2.
  • the hinge pin 14 In order to insert the pipe section 3 'or 3 "into the spreading receptacle 7 and the preloading of the leaf spring 16 that occurs here lighter, the hinge pin 14 has at one end a conical section 14'au 'which is initially inserted into the partially overlapping bearing bores in a wall element 9 and in the adjacent wall of the pipe section 3' or 3 "and then during longitudinal displacement or Driving the hinge pin 14 moves the relevant pipe section 3 'or 3 "into the final position shown in FIG. 2 relative to the spreader seat 14.
  • the hinge pin having a head 14 ′′ at one end is secured after the insertion or driving in by a split pin seated in a bore 26.
  • the leaf spring 16 exerts a torque on the pipe section 3 ′ or 3 ′′ around the hinge pin 14, which (torque) attempts to move this pipe section into a position in which the longitudinal extension L is as perpendicular as possible to the surface sides of the shoring walls 1 or 2. This ensures that these shoring walls of a parked shoring device cannot tilt from their desired vertical position.
  • FIG. 4 shows an advantageous embodiment of the joint head arrangement according to the invention, which differs from the arrangement according to FIGS. 2 and 3 essentially only in the use of a differently designed spring element. Otherwise, the embodiment according to FIG. 4 corresponds to the embodiment according to FIG. 2.
  • the parts in FIG. 4 with the same reference numbers as in the previous figures, and in particular in FIG. 2 and 3, are each identical to the parts in these previous figures already described parts, so that to avoid unnecessary repetition reference is made to the relevant statements.
  • the joint head 26 shown in FIG. 4 uses a block 27 made of hard rubber or other suitable elastic material (eg made of suitable plastic) as the spring device or spring element.
  • the block 27 is in its cross section perpendicular to the longitudinal extension L of the struts 3 or the pipe sections 3 'or 3 "on the inside Cross section of these pipe sections adapted, ie the cross section of the block 27 lying perpendicular to the longitudinal extent L is either square or rectangular in accordance with the internal cross section of the pipe sections 3 'or 3 ", although the cross section of the block 27 is slight with the non-prestressed spring element formed by this block is smaller than the inner cross section of the pipe sections 3 'or 3 ".
  • the block 27 can of course also be made from a plurality of stack-like plate-like elements made of elastic material (eg hard rubber), which (elements) are then arranged with their surface sides perpendicular to the longitudinal extension L.
  • the block 27 is fastened in the interior of the spreader receptacle 7 with the aid of a screw 28 and a nut 29 to the base plate 8 held on the shoring wall 1 and 2, respectively, in such a way that the block 27 with its spreader 3 or the Pipe pieces 3 'and 3 "facing away from the end face against the surface of the base plate 8 facing away from the shoring wall 1 or 2.
  • the axis of the screw 28 passed through a hole in the block 27 runs perpendicular to the surface side of the base plate 8 and lies with the bend 3 not angled , ie when the longitudinal extension L of the struts 3 extends perpendicular to the surface sides of the shoring walls 1 and 2, coaxially with this longitudinal extension L.
  • the axis of the screw 28 is also perpendicular to the axis of the hinge pin 14 and intersects the axis of this hinge pin.
  • the block 27 In the direction of the longitudinal extent L, the block 27 has such a thickness that its larger part extends through the open end of the respective pipe section 3 'or 3 "into the interior of this pipe section. At its end into the pipe section 3' or 3 "Incoming front side, the block 27 bears against a plate 30 made of metal or steel, the surface of which is also arranged transversely or perpendicular to the longitudinal extension L or perpendicular to the axis of the screw 28, and its cross section in the plane perpendicular to the longitudinal extension L is equal to the cross section of the block 27 when the spring element is not under tension. Through a hole in the plate 30, the screw 28 is with its threaded end carried out.
  • the nut 29 seated on this threaded end rests against the surface side of the plate 30 facing away from the block 27.
  • the screw 28 With its head, the screw 28 is held on the base plate 8, in a countersunk head bore on the surface side of this plate facing away from the block 27.
  • the screw 28 is held in the base plate 8 against rotation by a welding spot or in another way.
  • the nut 29 is tightened to a certain extent with the aid of a wrench, in such a way that the block 27 is compressed with elastic deformation of its material in the direction of the longitudinal extension L, as a result of which the block 27 on its free edge 27 'lying between the base plate 8 and the plate 30 bulges convexly or like a pillow and at least in the central region of the edge 27' then has a cross section which is somewhat larger than the inner cross section of the tube pieces 3 'or 3 "
  • the nut 29 is naturally tightened before the spreader head formed by the free end of the pipe section 3 'or 3 "is inserted into the corresponding spreading receptacle 7 or before the hinge pin 14 into the bores of the wall elements 9 and the pipe section 3' or 3 "is used.
  • the two mating surfaces 31 correspond to the mating surfaces 15 of FIG. 2.
  • the mating surfaces 31 only have a somewhat greater distance from the free end 3 "'of the pipe sections 3' or 3" which extends into the spreader receptacle 7. on.
  • the outwardly curved edge 27' of this block is elastically deformed inward, ie in the direction of the axis of the screw 28, so that the edge 27 'is pressed against the inner surface of the pipe section 3' or 3 "in the region of the end 3 . .. is pending.
  • the hinge pin 14 which is slightly conical at one end 14', then becomes partially overlapping Bores of the wall elements 9 and the pipe section 3 'or 3 "introduced or hammered in, the pipe section 3' or 3" in question is again in Moved in the direction of arrow A.
  • FIG. 5 and 6 show a particularly advantageous embodiment of the joint head arrangement according to the invention with the joint head 32.
  • This joint head is different from the rod end 26 of the fi g. 4 essentially in that the pipe section 3 'or 3 "with the inner surface of its end 3"' facing the base plate 8 does not act directly on the block 27 made of hard rubber serving as a spring element, but on two plates 33 made of metal or steel, each with one surface side against a side surface of the block 27 running parallel to the longitudinal extension in the direction of the longitudinal extension of the joint pin 14 and with its other surface side forming a contact surface for the inner surface of the pipe section 3 'or 3 "in the region of the end 3"' .
  • the two plates 33 which each extend into the open end 3 "'of the pipe section 3' or 3" and protrude with a partial area over this open end in the direction of the base plate 8, lie with their surface sides slightly oblique to the longitudinal extension of the pipe section 3 ' or 3 "in such a way that when the pipe section 3 'or 3" is in the normal position, that is to say when the longitudinal axis is perpendicular to the base plate, this pipe section formed as a rectangular hollow profile rests between the surface side of the plate 33 which is turned away from the outer, ie the block 27 Inner surface of the Pipe section 3 'or 3 "' results in an acute angle which opens towards the end of this pipe section facing away from the end 3"'.
  • Each plate 33 is pivotally held on the plate 30 at its end extending into the pipe section 3 ′ or 3 ′′ or at the edge there, which extends in the direction of the axis of the hinge pin 14, as is shown in FIG. 5 with the double arrows G
  • a round bar 34 forming an articulated bolt is welded to each plate 33 or on its inner surface side, ie facing the block 27, which has a longitudinal extension or axis parallel to the axis of the articulated pin 14.
  • Each round bar 34 protrudes on both ends the perpendicular to the axis of the hinge pin 14 edges of the associated plate 33 and is received at these projecting ends by a washer 35, which serves as a bearing body for the hinge axis formed by the round bar 34 and is welded to the plate 30, in each case on one of the two sides of the plate 30, which run perpendicular to the axis of the hinge pin 14, the round bars 34 and the are closed associated, formed by the disks 35 bearings on the facing away from the block 27 surface side of the plate 30, so that the round bars 34 are also supported on this surface side and the disks 35 serving as bearing elements are at least relieved of forces which act as compressive forces in Act in the direction of the longitudinal extent of the pipe section 3 'or 3 "between a round bar 34 and the plate 30.
  • each plate 33 is provided on its outer surface side facing away from the block 27 with a round bar 36 which is welded onto this surface side and also extends parallel to the axis of the hinge pin 14 with its longitudinal extent.
  • Each round bar 34 lies against the end face of the pipe section 3 'or 3 "in the region of the end 3"' and corresponds in its function to the round face forming the counter face 31 of the embodiment according to FIG. 4, but with the advantage that in the case of the figures 5 and 6 shown joint head, the pipe sections 3 'and 3 "on their inner surface do not have to have any counter surfaces.
  • the joint head 32 has the advantage over the joint head 26 that the block 27 is covered or protected by the plates 33, so that the end 3 "'of the pipe section 3' or 3" even after prolonged use of a shoring device, ie with frequent pivoting of the spreader 3 relative to the shoring wall 1 or 2, it cannot "dig into” the block 27 and produce a permanent recess or recess there, especially since all forces between the end 3 "'of the pipe section 3' or 3" and the block 27 are transferred to the block over a large area, ie via the surface sides of the plates 33 facing the block 27.
  • the action of the joint head 32 corresponds to that of the joint head 26.
  • the block 27 is again clamped between the base plate in the manner described above 8 and the plate 30 preloaded, which takes place in the joint head 32 with the aid of two screws 28 and associated nuts 29.
  • the block 27 bulges like a cushion on its circumferential surface.
  • the pipe section 3 'or 3 is pushed on, in such a way that its end 3"' slides on the outer surface side of the plates 33.
EP85108310A 1984-07-13 1985-07-05 Dispositif de tête à pivot pour l'assemblage articulé et en tout temps démontable d'un étrésillon de tranchée à une paroi de blindage Withdrawn EP0167991A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3425803 1984-07-13
DE3425803 1984-07-13
DE19843432244 DE3432244A1 (de) 1984-07-13 1984-09-01 Gelenkkopfanordnung zum gelenkigen und jederzeit wieder loesbaren verbinden einer spreize mit einer verbauwand eines verbaus
DE3432244 1984-09-01

Publications (2)

Publication Number Publication Date
EP0167991A2 true EP0167991A2 (fr) 1986-01-15
EP0167991A3 EP0167991A3 (fr) 1986-12-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP85108310A Withdrawn EP0167991A3 (fr) 1984-07-13 1985-07-05 Dispositif de tête à pivot pour l'assemblage articulé et en tout temps démontable d'un étrésillon de tranchée à une paroi de blindage

Country Status (2)

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EP (1) EP0167991A3 (fr)
DE (1) DE3432244A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2615218A1 (fr) * 1987-05-13 1988-11-18 Gundogar Ahmet Blindage pour tranchees
EP0480093A1 (fr) * 1990-10-12 1992-04-15 Threspal Ltd. Unité d'étançonnage pour tranchées dans la terre
DE4040559A1 (de) * 1990-12-19 1992-07-02 Krings Verbau Gmbh Endstueck einer spindel bzw. bei einer grabenverbauvorrichtung
DE4231614A1 (de) * 1992-09-22 1994-03-24 Emunds & Staudinger Gmbh & Co Verbauvorrichtung
US7611308B1 (en) * 2005-11-07 2009-11-03 Kundel Sr Robert Panel for supporting the walls of an excavation

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT56U1 (de) * 1993-12-03 1994-12-27 Allround Baugeraete Handel Kanalverbauvorrichtung
DE102022112042A1 (de) * 2022-05-13 2023-11-16 Terra Infrastructure Gmbh Modular-kompaktes Verbausystem

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2195240A5 (fr) * 1972-08-04 1974-03-01 Krings Josef
DE2257881A1 (de) * 1972-11-25 1974-05-30 Josef Emunds Verbauvorrichtung zum abstuetzen von grabenwaenden
DE2556970A1 (de) * 1975-12-18 1977-06-23 Ischebeck Fa Friedr Vorrichtung zum aussteifen der waende von baugraeben, rohrgraeben oder dergleichen
FR2378155A1 (fr) * 1977-01-24 1978-08-18 Krings Josef Patin pour etresillon de soutenement de fouilles
GB2094373A (en) * 1981-03-07 1982-09-15 Morris Alan Trench shoring
EP0095193A1 (fr) * 1982-05-25 1983-11-30 Josef Emunds Cadre d'étayage pour panneaux de soutènement

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2195240A5 (fr) * 1972-08-04 1974-03-01 Krings Josef
DE2257881A1 (de) * 1972-11-25 1974-05-30 Josef Emunds Verbauvorrichtung zum abstuetzen von grabenwaenden
DE2556970A1 (de) * 1975-12-18 1977-06-23 Ischebeck Fa Friedr Vorrichtung zum aussteifen der waende von baugraeben, rohrgraeben oder dergleichen
FR2378155A1 (fr) * 1977-01-24 1978-08-18 Krings Josef Patin pour etresillon de soutenement de fouilles
GB2094373A (en) * 1981-03-07 1982-09-15 Morris Alan Trench shoring
EP0095193A1 (fr) * 1982-05-25 1983-11-30 Josef Emunds Cadre d'étayage pour panneaux de soutènement

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2615218A1 (fr) * 1987-05-13 1988-11-18 Gundogar Ahmet Blindage pour tranchees
EP0480093A1 (fr) * 1990-10-12 1992-04-15 Threspal Ltd. Unité d'étançonnage pour tranchées dans la terre
DE4040559A1 (de) * 1990-12-19 1992-07-02 Krings Verbau Gmbh Endstueck einer spindel bzw. bei einer grabenverbauvorrichtung
DE4231614A1 (de) * 1992-09-22 1994-03-24 Emunds & Staudinger Gmbh & Co Verbauvorrichtung
US7611308B1 (en) * 2005-11-07 2009-11-03 Kundel Sr Robert Panel for supporting the walls of an excavation
US8151463B1 (en) 2005-11-07 2012-04-10 Kundel Sr Robert Process for making a panel for supporting the walls of an excavation

Also Published As

Publication number Publication date
EP0167991A3 (fr) 1986-12-03
DE3432244A1 (de) 1986-01-16

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