EP0161634A2 - Poussard en particulier applicable aux travaux de blindage, p.e. blindage de tranchée - Google Patents
Poussard en particulier applicable aux travaux de blindage, p.e. blindage de tranchée Download PDFInfo
- Publication number
- EP0161634A2 EP0161634A2 EP85105693A EP85105693A EP0161634A2 EP 0161634 A2 EP0161634 A2 EP 0161634A2 EP 85105693 A EP85105693 A EP 85105693A EP 85105693 A EP85105693 A EP 85105693A EP 0161634 A2 EP0161634 A2 EP 0161634A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- section
- spreader
- holes
- intermediate piece
- length
- 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- Withdrawn
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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
- E02D17/083—Shoring struts
Definitions
- the invention relates to a strut, according to the preamble of claim 1.
- the two spreading elements have the same length, they can be pulled apart to a total length which is approximately equal to twice the length of the two spreading elements less the required minimum overlap.
- the invention has for its object to show a strut that avoids this disadvantage and above all ensures that the minimum strut length using the intermediate piece is equal to the maximum strut length that can be achieved without the intermediate piece, so that a continuous adjustment of the strut length in constant steps is also possible in the length range in which the intermediate piece has to be used for the first time in order to achieve sufficient static strength.
- a strut is formed according to the preamble of claim 1 in accordance with the characterizing part of this claim.
- the intermediate piece with one end or a section on one S p stimulus element and with the other end or . Section can be pushed onto the other spreader element and, in addition, the two spreader elements telescopically interlock with one another, the intermediate piece can already be placed on the spreader elements if they still overlap sufficiently in their maximum overall length, with the further increase in the spreader length then that for the static one Strength required overlapping connection between the two spreader elements takes place via the intermediate piece.
- the intermediate piece preferably has an overall length which is approximately equal to the length of the two spreading elements minus twice the length over which the two spreading elements must at least overlap without the use of the intermediate piece, so that with the aid of the intermediate piece, i.e. continuously In a step predetermined by the hole spacing in the individual parts, an adjustment from a simple strut length to approximately four times the strut length is possible.
- the spreading elements can be connected to one another, but also the spreading elements with the intermediate piece, by means of bolts that are resistant to pressure and tension.
- the holes in the two elements form a row of holes which have a hole spacing which changes from hole to hole, with the spacing of the holes from one end, i.e. to the end at which the spreader elements overlap when there is no intermediate piece, and in the other spreader element the hole distance to one end decreases.
- This design of the hole spacing which offers an advantage even without the use of the intermediate piece, results in a large number of connection options between the two spreading elements and thus also the possibility of changing the effective length of the spreaders in very small steps, so that thread or spindle devices can be dispensed with. Furthermore, since only a relatively small number of holes is required due to the changing hole spacing in the two spreading elements, and the smallest hole spacing in each case can also be selected to be relatively large, there is also a high mechanical load-bearing capacity for the spreaders as a whole, without any enlargement of the cross section customary for spreading is required.
- the hole spacings in the two spreader elements change according to the same basic mathematical function, for example in logarithmic form. Similar to the two spreader elements, the hole spacing on the intermediate piece also changes.
- 1 is a double-T beam or Peiner beam, which is only partially shown for the sake of simplicity of illustration.
- a plurality of supports 1 of the same type are in the usual manner on both longitudinal sides of this trench with their longitudinal axis in vertical direction and introduced at predetermined intervals from each other in the ground so that these beams form the vertical support elements of the shoring.
- the space between the beams 1 on each long side of the trench is further filled in the usual way by infilling into elements, for example by large-format shoring plates, which are supported on the beams 1 or their flanges 2.
- the strut 3 in its embodiment shown in the figures in its simplest form consists of two telescopically intermeshing and displaceable tube pieces 4 and 5, each of which has a square cross section and is closed at one end by a welded-on support plate 6. At the other end, which does not have this support plate 6, the two pipe pieces 4 and 5 are telescopically pushed into one another when the spreaders 3 are used.
- the support plate 6 is provided with a nut thread 7, which is coaxial with the axis of the pipe sections 4 and 5 or the spreader 3.
- a threaded bolt 8 engages in the nut thread 7 and is connected at its one end, which protrudes from the respective pipe section 4 or 5, to a support plate 9 of a joint head 10.
- the support plates 6 and 9 lie with their surface sides perpendicular to the longitudinal extension of the pipe sections 4 and 5 or the struts 3.
- a nut threaded piece 11 At the end of the threaded bolt 8 projecting into the pipe section 4 or 5 in question there is a nut threaded piece 11, for example a hexagon nut.
- This nut thread piece 11 is e.g. secured against rotation by a weld spot or in another way on the threaded bolt 8.
- the nut thread 7 and the associated threaded bolt 8 are formed with a right-hand thread and on the other side of the struts 3 with a left-hand thread.
- the support plate 9 On the surface side facing away from the respective pipe section 4 or 5, the support plate 9 carries each joint head 10 provided on both sides of the struts 3, two bearing plates 12 and 13 which laterally protrude laterally beyond this surface side and are arranged at a distance from one another and with their surface sides parallel to The longitudinal extent of the struts 3 lie between them and accommodate two bearing plates 14 and 15 which are provided on a surface side of a support plate 16 of an articulated head intermediate piece 17 running perpendicular to the longitudinal extent of the struts 3.
- the joint head intermediate support 17 is articulated or pivotable about a first axis A with the support plate 9 and thus through a hinge pin 18 which intersects the axis S of the straddle 3 with its axis and is guided through overlapping bores in the bearing plates 12 to 15 connected to the pipe sections 4 and 5 forming the struts 3.
- a single bearing plate 19 extending from this surface side is provided in the embodiment shown, the bearing sides 19 of which lie parallel to the axis of the joint pin 18 and in planes that are at the same distance from this axis .
- the bearing plate 19 is gripped by two bearing plates 20 and 21, which are provided on the plate-shaped part 22 of a shoe-like coupling piece 23, on that surface side of the part 22 which faces away from this carrier after the coupling piece 23 has been pushed onto the carrier 1 .
- the coupling piece 23, with which each joint head 10 can be attached to the associated carrier 1, is essentially U-shaped with two legs 24 and 25 which overlap the carrier 1 on the flanges 2 on one side and which plate-shaped part 22 are interconnected.
- the legs 24 and 25 are each provided with a bend 26, with each development 26 having a flange 2 on its inside after the coupling piece 23 has been pushed onto the carrier 1 side engages positively, so that the coupling piece 3 is positively held on the carrier 1, but slidably in the longitudinal direction of the carrier.
- a second hinge pin 27 is passed, the axis of which extends perpendicular to a plane in which the axis A of the hinge pin 18 lies and which is the surface of the plate-shaped part provided with the bearing plates 20 and 21 22 cuts at an angle of 90 °.
- the joint head intermediate piece 17 is thus pivotally held about the axis B of the joint pin 27 on the coupling piece 23, so that overall a gimbal-like joint connection with two mutually perpendicular pivot axes A and B results for the joint head 10 between the coupling piece 23 and the support plate 9.
- a chain 28 is fastened to the coupling piece 23 with one end, which carries at its other end a hook-shaped element 29 with which the chain is hung, for example, at the upper end of the carrier 1 and so that the height of the coupling piece 23 on the carrier 1 can be determined.
- the pipe section 4 is provided with a multiplicity of through holes 30 and the pipe section 5 with a multiplicity of through holes 31, the holes 30 and 31 being in each case on two opposite circumferential sides of the pipe section 4 or 5 are arranged so that a hole 30 or 31 on one circumferential side is congruent with a hole 30 or 31 on the other circumferential side.
- the holes 30 on the pipe section 4 and the holes 31 on the pipe section 5 each form a row of holes extending in the longitudinal section of the pipe section or in the direction of the S axis. In the embodiments shown in FIGS. 3 to 9, the holes 30 and 31 are at a constant distance from one another.
- the two telescopically telescoped pipe sections 4 and 5 are connected to one another in a tensile and tensile manner by a bolt 32 which extends through overlapping bores 30 and 31.
- a securing element secures the bolt 32 against unwanted loosening.
- the rows of holes formed by holes 30 and 31 allow the effective length of the struts 3 to be adjusted in rough steps.
- the final fine adjustment or the final pressing of the carrier 1 against the respective trench wall can be achieved with the help of the threaded bolts 8 by jointly rotating the interlocking pipe sections 4 and 5 about the axis S.
- an intermediate piece 34 is used, as shown in FIGS. 6 and 7.
- This intermediate or extension piece consists of two pipe sections 34 'and 34 "which are axially aligned with one another and are telescopically pushed into one another at one end, so that the two pipe sections 34' and 34" overlap over a partial length d.
- the two pipe sections are connected to one another in a tensile and compressive manner, for example by shitting.
- the pipe section 34 ' has an inner cross section which is adapted to the outer cross section of the pipe section 4 in such a way that the pipe section 34' can be pushed onto the free end of the pipe section 4.
- the pipe section 34 has an inner cross section which is adapted to the outer cross section of the pipe section 5 such that the pipe section 34" can be pushed onto the free end of the pipe section 5.
- the two pipe sections 34 'and 34 each have a rectangular inner cross section in the embodiment shown and are in turn provided with a multiplicity of holes 35 and 36, which have a constant hole spacing in the embodiment shown in FIGS. 6 and 7 and in the longitudinal direction of the Form a row of holes between the intermediate piece 34.
- the intermediate piece 34 is connected to the pipe sections 4 and 5 by two bolts 32 with associated securing elements 33 in a pressure-resistant and tensile-resistant manner.
- the effective length of the struts 3 or the part of these struts formed by the pipe sections 4 and 5 is as continuous as possible and in the smallest possible steps of a simple length with pipe sections 4 and 5 completely pushed into one another (FIG. 3) initially without the use of the intermediate piece
- the total length L of the intermediate piece 34 is chosen so that this length L is approximately equal to the effective length that the two pipe pieces 4th and 5 in their maximum extended state (FIG. 4) taking into account the overlap 1. This means that the length L of the intermediate piece 34 is approximately equal to the sum of the lengths of the pipe pieces 4 and 5 minus the double overlap 1.
- FIGS. 8 and 9 show an intermediate or extension piece 37, which differs from the intermediate piece 34 in that the pipe section 37 'of the intermediate piece 37, which has the larger internal cross section and can be pushed onto the pipe piece 4 in the embodiment shown, has a length that is equal to the length L of the intermediate piece 37.
- the pipe section 37 '' which telescopically engages in the pipe section 37 ', the outer cross section of which is equal to the inner cross section of the pipe section 37' and which in the embodiment shown can be pushed onto the pipe section 5, has a length which is equal to the difference between the length L of the intermediate piece 37 and the length of the pipe section 4, the pipe section 37 ′′ not being fixedly connected to the pipe section 37 ′, but being guided telescopically in this pipe section.
- the two pipe sections 4 and 5 are shown again in a separate state in a further embodiment of the struts.
- the holes 30 on the pipe section 4 are at a distance a and the holes 31 on the pipe section 5 are at a distance b from one another, the distances a and b changing from hole to hole according to a predetermined function, preferably to a logarithmic extent, and in the form that, in the case of one piece of pipe, for example in the case of the piece of pipe 4, the spacing a of the holes 30, starting from the end of this piece of pipe provided with the joint head 10 to the free end of the piece of pipe, ie increases towards the center of the trench according to the specified function, while in the other pipe section, for example the pipe section 5, starting from the end of this pipe section provided with the joint head 10, the distance b of the holes 31 from the free end of the pipe section, i.e.
- the intermediate piece 34 shown in FIG. 11 is used, for example, which differs from the intermediate piece 34 in FIG. 6 in that the holes 35 on the tube section 34 'are spaced apart have, which changes from hole to hole according to a predetermined function, preferably according to the same function as the distance a, in the same sense as the holes 31 on the pipe section 5, ie in the embodiment shown, the distance c to the free end or towards the end of the pipe section 34 'facing away from the pipe section 34 ".
- the holes 36 on the pipe section 34" have a distance f which changes from hole to hole, the change of which in turn preferably takes place in the same function as the change of the distance a, in the form that this change corresponds to the change in the distance a, ie the distance f increases in the embodiment shown towards the free end of the pipe section 34 ′′.
- the two pipe sections 4 and 5 are shown in a further embodiment of the strut according to the invention.
- the pipe sections are made of iron or steel hollow profiles with a square cross section, the pipe section 4 having an outer cross section which corresponds to the inner cross section of the section 5 'of the pipe section 5, so that the pipe section 5 with its section 5' is telescopically pushed onto the pipe section 4 can be.
- a section 5 "extends into section 5 'and is welded there to section 5'.
- Section 5" is made of the same hollow profile material as the pipe section 4, see above that the struts formed by the two pipe sections 4 and 5 each have the same cross-section at the two outer ends, which is particularly advantageous from an assembly and production point of view.
- the pipe section 4 is provided on two mutually opposite, that is to say parallel and spaced apart sides, each with six holes 40, which have a constant distance a from one another in the direction of the longitudinal extension of the pipe section, wherein of course each hole 40 on one of the two opposite one another Sides a hole 40 on the other of the two opposite sides is congruent.
- the holes or bores 40 are further arranged so that they are arranged on a common line m running parallel to the longitudinal extension of the pipe section 4, which runs laterally from the central axis of the pipe section 4 or a distance n (transverse distance) from an imaginary one. 12 perpendicular to the plane of the drawing and including the central axis of the pipe section 4 plane.
- the tube piece 5 has at its free end, which is remote from the plate 6, on each of the two mutually opposite, ie parallel and spaced sides, three holes 41, each hole 41 again on one side a hole 41 is congruent on the other side.
- the holes are arranged so that two holes 41 lie on a common line running parallel to the longitudinal extension of the pipe section 5, which is laterally and at a distance n from a vertical axis enclosing the central axis of the pipe section 5 to the plane of the drawing in FIG. 14.
- the third hole 41 is arranged on the other side of the plane running perpendicular to the plane of the drawing in FIG. 14 and enclosing the central axis of the pipe section 5, again at a distance n from this plane, in the direction of the longitudinal extension of the pipe section 5 with respect to the line m 'arranged holes 31 offset by the amount 1/2 b.
- the distance b is 1/2 a.
- the described arrangement of the holes 40 and 41 makes it possible to adjust the effective length of the struts formed by the two pipe pieces 4 and 5 not only in rough steps (grid or spacing a), but also in very fine steps with a minimum number of holes 40 and 41, respectively, without thereby affecting the stability or strength of the pipe sections 4 and 5, particularly in the area the holes 40 and 41 is affected.
- the minimum adjustment step is 1/2 b, for this adjustment the pipe section 5 is rotated by 180 ° about its longitudinal axis and pushed onto the pipe section 4.
- the intermediate piece 42 for use in the strut according to FIGS. 12 to 15 is shown.
- the intermediate piece 42 consists of the two interconnected pipe sections 42 'and 42 ", of which the pipe section 42' made of the same material as the section 5 'of the pipe section 5 of FIG. 14 and the pipe section 42" made of the same material as the pipe section 4 of Fig. 12 are made.
- the pipe section 42' is parallel and spaced at two free ends in the region of its free end sides lying opposite one another are provided with three holes 43, which correspond to the holes 41 of FIG.
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Tents Or Canopies (AREA)
- Furniture Connections (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843418229 DE3418229A1 (de) | 1984-05-16 | 1984-05-16 | Spreize, insbesondere zur verwendung bei verbauen, z. b. grabenverbau |
DE3418229 | 1984-05-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0161634A2 true EP0161634A2 (fr) | 1985-11-21 |
EP0161634A3 EP0161634A3 (fr) | 1986-08-06 |
Family
ID=6236049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85105693A Withdrawn EP0161634A3 (fr) | 1984-05-16 | 1985-05-09 | Poussard en particulier applicable aux travaux de blindage, p.e. blindage de tranchée |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0161634A3 (fr) |
DE (1) | DE3418229A1 (fr) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2231352A (en) * | 1989-05-03 | 1990-11-14 | Mabey Hire Co | Strut-panel joint in a strong-box |
EP0470921A1 (fr) * | 1990-06-22 | 1992-02-12 | Construcciones Desmontables Tubulares, S.A. | Système modulaire d'étayage perfectionné |
AT55U1 (de) * | 1993-08-19 | 1994-12-27 | Fritscher Gerhard Fritscher Ge | Strebe zur abstuetzung von in einem graben abgesenkten fuehrungsschienen fuer verbauplatten, verbauplatten od.dgl. |
GB2386622A (en) * | 2002-03-19 | 2003-09-24 | Shoring And Safety Direct Ltd | Support strut for a trench box |
US6746183B1 (en) * | 2002-09-23 | 2004-06-08 | James G. Sullivan | Shoring device with outer ratcheting collar |
US9441341B1 (en) * | 2011-07-22 | 2016-09-13 | Gary Neil Hames | Trench shield spreader coupling |
CN113482014A (zh) * | 2021-08-17 | 2021-10-08 | 苏州拓恒建筑科技有限公司 | 基槽护壁箱 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1809493U (de) * | 1960-02-03 | 1960-04-07 | Friedrich Ischebeck Fa | Verstellbare stuetzstrebe. |
DE1958494U (de) * | 1962-04-07 | 1967-04-06 | Ischebeck Fa Friedr | Baustuetze, insbesondere tiefbaustrebe. |
CH466550A (de) * | 1966-12-01 | 1968-12-15 | Scheifele Jakob | Spriess für Bauten |
DE7714632U1 (de) * | 1977-05-07 | 1979-01-11 | Theissen, Hans, 5138 Heinsberg | Vorrichtung zum abstuetzen von grabenwaenden |
DE8002934U1 (de) * | 1980-02-05 | 1980-05-08 | Theissen, Hans, 5138 Heinsberg | Vorrichtung zum abstuetzen von grabenwaenden |
-
1984
- 1984-05-16 DE DE19843418229 patent/DE3418229A1/de not_active Withdrawn
-
1985
- 1985-05-09 EP EP85105693A patent/EP0161634A3/fr not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1809493U (de) * | 1960-02-03 | 1960-04-07 | Friedrich Ischebeck Fa | Verstellbare stuetzstrebe. |
DE1958494U (de) * | 1962-04-07 | 1967-04-06 | Ischebeck Fa Friedr | Baustuetze, insbesondere tiefbaustrebe. |
CH466550A (de) * | 1966-12-01 | 1968-12-15 | Scheifele Jakob | Spriess für Bauten |
DE7714632U1 (de) * | 1977-05-07 | 1979-01-11 | Theissen, Hans, 5138 Heinsberg | Vorrichtung zum abstuetzen von grabenwaenden |
DE8002934U1 (de) * | 1980-02-05 | 1980-05-08 | Theissen, Hans, 5138 Heinsberg | Vorrichtung zum abstuetzen von grabenwaenden |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2231352A (en) * | 1989-05-03 | 1990-11-14 | Mabey Hire Co | Strut-panel joint in a strong-box |
EP0470921A1 (fr) * | 1990-06-22 | 1992-02-12 | Construcciones Desmontables Tubulares, S.A. | Système modulaire d'étayage perfectionné |
AT55U1 (de) * | 1993-08-19 | 1994-12-27 | Fritscher Gerhard Fritscher Ge | Strebe zur abstuetzung von in einem graben abgesenkten fuehrungsschienen fuer verbauplatten, verbauplatten od.dgl. |
GB2386622A (en) * | 2002-03-19 | 2003-09-24 | Shoring And Safety Direct Ltd | Support strut for a trench box |
US6746183B1 (en) * | 2002-09-23 | 2004-06-08 | James G. Sullivan | Shoring device with outer ratcheting collar |
US9441341B1 (en) * | 2011-07-22 | 2016-09-13 | Gary Neil Hames | Trench shield spreader coupling |
CN113482014A (zh) * | 2021-08-17 | 2021-10-08 | 苏州拓恒建筑科技有限公司 | 基槽护壁箱 |
Also Published As
Publication number | Publication date |
---|---|
EP0161634A3 (fr) | 1986-08-06 |
DE3418229A1 (de) | 1985-11-21 |
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