EP0562338B1 - Pont déplaçable - Google Patents

Pont déplaçable Download PDF

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Publication number
EP0562338B1
EP0562338B1 EP93103635A EP93103635A EP0562338B1 EP 0562338 B1 EP0562338 B1 EP 0562338B1 EP 93103635 A EP93103635 A EP 93103635A EP 93103635 A EP93103635 A EP 93103635A EP 0562338 B1 EP0562338 B1 EP 0562338B1
Authority
EP
European Patent Office
Prior art keywords
bridge
folding
ramp
bolts
bridge according
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.)
Expired - Lifetime
Application number
EP93103635A
Other languages
German (de)
English (en)
Other versions
EP0562338A1 (fr
Inventor
Hans Norbert Dr.-Ing. Wiedeck
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.)
ThyssenKrupp Industrial Solutions AG
Original Assignee
Krupp Foerdertechnik GmbH
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 Krupp Foerdertechnik GmbH filed Critical Krupp Foerdertechnik GmbH
Publication of EP0562338A1 publication Critical patent/EP0562338A1/fr
Application granted granted Critical
Publication of EP0562338B1 publication Critical patent/EP0562338B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D15/00—Movable or portable bridges; Floating bridges
    • E01D15/12—Portable or sectional bridges
    • E01D15/124—Folding or telescopic bridges; Bridges built up from folding or telescopic sections

Definitions

  • the invention relates to a bridge consisting of at least one bridge element, the bridge element having a bridge base body with chamfered end faces that end at half the height of the bridge base body and at the ends of which there is an articulated connection, on each of which a folding ramp is pivotally mounted such that it rests on the inclined surface or - folded down and firmly connected to the bridge base body by a locking arrangement - forms a common ramp with the inclined surface of the bridge base body.
  • Such bridges are known both as floating bridges (cf. DE-A-19 63 393) and "fixed bridges" which can be laid on solid terrain (cf. EP-A-0 407 274 A1).
  • they can consist of one or more identical bridging elements.
  • both folding ramps are folded down and locked to the main body of the bridge.
  • the folding ramps are folded down at the ends facing away from one another and locked on the base body of the bridge, while the folding ramps on the inclined surfaces of the ends are facing one another Support the bridge base body. In this state, they form an essentially vertical end with the bridge base bodies.
  • both ends of the bridge elements of this type are locked at the bottom of the bridge base bodies and possibly at the top of the folding ramps to form a load-bearing bridge.
  • both folding ramps of the bridge elements arranged between the outer bridge elements rest on the bridge base body.
  • the bridge elements are identical to one another and can be used universally as a middle part, ramp part or as an element that forms a bridge alone.
  • the bridge bodies have a roadway on their top and the folding ramps on both their top and bottom. If the folding ramps rest on the sloping surfaces of the bridge base, the bridge base and the folding ramp together form a continuous lane.
  • the bridge base body and the folding ramps can extend over the entire width of the carriageway, but they can also only make up the width of a carriageway lane and be connected in a known manner by cross members.
  • the bridge known from EP-A-0 407 274, the pressure forces occurring in the longitudinal direction of the bridge are transmitted to the folding ramp to the bridge base body essentially via a hinge linkage.
  • the hinge linkage In the "folded down" state to form a ramp section or a single bridge, the hinge linkage is located at the level of the roadway, so that it is exposed to wear and tear from heavy vehicles traveling over it, in particular tracked vehicles.
  • the invention has for its object to improve a bridge of the type mentioned in such a way that the disadvantages mentioned are avoided and the safety of the function of the bridge is increased.
  • the locking arrangement is designed as a pin coupling, the pins engaging in recesses - when connecting two ends with folding ramps resting on the inclined surface - of the adjacent bridge base body or - when forming a ramp - of the assigned folding ramp, that the articulation between the bridge body and each folding ramp is formed by double articulated levers, each having a common joint axis in the bridge body and in the folding ramp, the distance between the articulation axes being such that there is play Movement of the folding ramp relative to the bridge base body is possible, and that each folding ramp and the bridge base body have a pressure surface pair for forces running in the longitudinal direction of the bridge.
  • the use of a pin coupling enables a clear and safe coupling of the bridge parts to be joined.
  • the bolts not only enable the absorption of forces occurring in the longitudinal direction of the bridge, but also vertical transverse forces can be transmitted with them.
  • the double articulated levers allow - within certain limits - a free movement of the folding ramp with respect to the bridge base body and thus enable the folding ramp to be clearly supported against the bridge base body when the compressive forces occur in the longitudinal direction of the bridge via the common pressure surface pair, the articulated connection formed by the double articulated levers being kept free of forces becomes. Due to the lateral arrangement of the double articulated levers, the articulated connection is also not subject to any wear and tear from vehicles traveling over the bridge.
  • the base bodies of each bridge element are provided with an undervoltage with their own lower flange connected to the base body and whose height can be changed, the lower flange of each base body being connected to the lower flange of the respectively adjacent basic body by a Locking arrangement is connectable.
  • the locking arrangement for the lower chords is designed as a bolt coupling on a respective lower chord, the bolts in recesses of the respectively adjacent lower chord intervention.
  • Each pin coupling preferably has two pins which can be moved on a common axis and which engage in a recess in another bridge base body or in a folding ramp.
  • the movement of the bolts is preferably in opposite directions, so that a statically clear, symmetrical force distribution results for the coupling.
  • the recesses are preferably designed as through holes of fixed tabs.
  • the bolts can be supported on both sides of the tabs, so that there is a favorable load case for them.
  • the movement of the bolts takes place in particular through a link guide, which preferably has symmetrical control grooves for both bolts.
  • a cam disk is provided in particular, the control groove of which has, in particular, the shape of a circular involute, which results in a movement of the link that is particularly low in lateral force.
  • cam disc it is particularly advantageous to attach the cam disc to a transverse shaft that extends over the entire width of the bridge element or the track carrier. In this way it is possible to actuate the pin couplings of a clutch plane together by the cross shaft.
  • a projection which - in the state in which the folding ramps rest on the support part and are acted upon by pressure forces in the longitudinal direction of the bridge against the bridge base body - engages in a recess in the bridge base body which has a boundary towards the roadway.
  • the projection engages into the recess automatically when pressure is applied and does not require any additional safety precautions.
  • the bridge provided to overcome the obstacle consists of a bridge element 10 (bridge B1, Fig. 1), two bridge elements (bridge B2, Fig. 2) or 3 or more bridge elements (bridge B 3, Fig 3). All bridge elements 10 have the same structure and essentially consist of a bridge base body or support part 11 and two folding ramps or beaks 12.
  • the bridge base body 11 has on its upper side a horizontal surface 13 in the middle and an inclined surface 14 at the ends. At the ends of the inclined surface there is an articulated connection 15 in which the folding ramps 12 are articulated.
  • the folding ramps 12 have - seen from the side - the shape of a right triangle.
  • the length of the long (hypotenuse) side or surface 16 corresponds to the length of the inclined surface 14
  • the small (catheter) side or surface 17 has half the height of the bridge base body 11
  • the middle side or surface 18 (larger catheter side) corresponds to the projection of the inclined surface 14).
  • the surfaces 13, 14, 16, 18 are provided with a suitable lane 19.
  • the roadway parts 19 of the ramp surface 16, 14 and the horizontal surface 13 form the roadway; in the case of a bridge element of a bridge B2, the roadway is formed by the horizontal surface 13 and the surface 18 at the end facing the adjacent bridge element.
  • Both the bridge base body 11 and the folding ramps 12 can extend over the entire width of the carriageway or (see FIG. 6) be formed by two lane elements 11 ', 11' 'or 12', 12 '', the bridge base body 12 ', 12 '' are connected by cross members 21.
  • the bridge base body 11 or 11 ', 11' ' can be provided with an undervoltage 23 (cf. FIG. 5), as disclosed in more detail in the earlier patent application DE-A-40 38 763 of December 5, 1990 .
  • the lower tension 23 consists of lower chord sections 24, 25 which can be tensioned downwards by movable posts 26 and drawn in upwards.
  • the folding ramp lane elements 12 ', 12'' are formed by the double articulated lever 27 (Fig. 7) with the bridge body 11 (formed from the Lane elements 11 ', 11''and cross members 21) connected.
  • the double articulated levers 27 are each articulated in horizontal axes 28 (in the bridge base body 11) and 29 (in the folding ramp), the axis 28 being essentially at the end of the inclined surface 14 and the axis 29 in the corner region formed by the surfaces 16, 17 lies. Both corner areas are rounded in order to be able to carry out the "folding process" or the folding of the folding ramps 12 unhindered.
  • the double articulated levers 27 are of such a length that the folding ramp 12 can carry out a certain movement s on the inclined surface 14 with its surface 16.
  • One of the bores of the double articulated lever 27 can be designed as an elongated hole in order to achieve a movement involving play.
  • a vertical pressure surface 31 is arranged, which is intended to bear against a corresponding pressure surface 32 at the flat end of the folding ramp 12.
  • Recesses 33 are provided in the pressure surface 31 for the penetration of projections or transverse lugs 34 arranged on the pressure surface 32.
  • FIG. 7 shows one end of a bridge element 10 or 10 ', in the state in which the folding process from the folded-down position shown in broken lines into the folded-in position has just ended.
  • the folding ramp 12 experiences a force in the direction of the pressure surface 31 and is pushed to the right by the distance s until both pressure surfaces 31, 32 abut one another and the transverse force lug 34 projects into the recess 33 For this condition, see the left-hand outline of the Folding ramp in Fig. 7).
  • the lane element 11 ' has two bolt couplings 35 which, when the folding ramp 12' is folded down (cf. dashed representation of FIG. 7), engage two tabs 36 on the folding ramp 12 'are provided.
  • the pin couplings 35 are attached to the lane element 12 ′′ of the folding ramp and the tabs 36 are attached to the lane element 11 ′ of the folding ramp (FIG. 6).
  • the pin couplings 35 are accommodated within the lane elements 11 'or 12' (see FIG. 9).
  • Each pin coupling has two receptacles 38 formed from cheeks 37 and two pins 39 intended for receiving the tabs 36 of a folding ramp 12 or another bridge base body 11.
  • a guide 40 for the bolts 39 is provided between the respective inner cheeks 37.
  • the bolts 39 are guided in through holes 22 of the cheeks 37.
  • the bolts 39 have pins 41 on each side, which engage in control grooves 42 of a link guide 43 that encompasses the bolts on both sides.
  • the link guide 43 is provided with a holder 44 which has two lateral pins 45, each of which engages in a control groove 46 of a pair of control or cam plates 47.
  • control disks of all coaxial pin clutches 35 of a lane element 11 'or 11'',12', 12 '' are attached to a common clutch shaft 48, which is connected via a clutch lever 49 z. B. can be operated by a (not shown) laying vehicle.
  • the tabs 36 are located in the recesses 38 of the pin coupling 35 in question.
  • the lever 49 is actuated.
  • the clutch shaft 48 is rotated and the control disks 47 are brought into the lower position shown in solid lines in FIG. 9.
  • the link guide 43 is pressed down and the bolts 39 are pushed into the holes 50 of the tabs 36 and the holes 22 of the outer cheeks 37.
  • the lower tension 23 has a bolt coupling 35 ′ (FIG. 5) on each lower flange section 25 and corresponding tabs 36 on the opposite lower flange section.
  • the construction of all pin couplings 35, 35 ' is the same, with the exception that the control cams of the control disks 47' of the pin couplings 35 'of the undervoltage 23, ie at the point responsible for the uncoupled state, are open.
  • all the couplings 35, 35 ' are first coupled with the undervoltage 23 retracted.
  • the open position of the control curve of the control disk 47 ' is exposed, so that the undervoltage 23 can be lowered as desired.
  • the undervoltage must first be retracted will. In this state, the pins 45 of the holder 44 of the pin coupling 35 'are also detected by the control disks 47' when the clutch shaft 48 is actuated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)

Claims (12)

  1. Pont constitué d'au moins un élément de pont (10), cet élément de pont présentant un corps de base de pont (11) comportant des extrémités en biseau se terminant à mi-hauteur du corps de base du pont et comportant, à ses extrémités, une liaison par articulation (15) sur laquelle est chaque fois montée une rampe rabattable (12)pouvantserabattre de façon à reposer sur la surface inclinée, ou de façon à former - après être rabattue et fixée sur le corps de base du pont par un dispositif de verrouillage - une rampe d'accès commune,
       caractérisé en ce que
    - le dispositif de verrouillage est réalisé sous la forme d'un accouplement à boulons (35), ces boulons (39) étant engagés dans des évidements (50) du corps de base du pont (11) adjacant- dans le cas de la liaison de deux extrémités comportant des rampes rabattables (12) reposant sur la surface inclinée (14) -, ou ces boulons étant engagés dans des évidements de la rampe rabattable (12) associée - dans le cas de la formation d'une rampe -,
    - en ce que la liaison par articulation entre le corps de base du pont (11) et chaque rampe rabattable (12) est réalisée par des levier à double articulation (27), qui possédent chacun un axe d'articulation commun (respectivement 28 et 29) dans le corps de base du pont (11) et dans la rampe rabattable (12), la distance des axes d'articulation (28, 29) étant telle qu'un déplacement à jeu limité de la rampe rabattable (12) soit possible par rapport au corps de base du pont (11),
    - et en ce que chaque rampe rabattable (12) et le corps de base du pont (11) présentent un couple de surfaces de pression (31, 32) pour des forces de pression dirigées dans la direction longitudinale du pont.
  2. Pont suivant la revendication 1, comportant au moins deux éléments de pont, caractérisé en ce que le corps de base du pont (11) de chaque élément de pont (10) est équipé d'une entretoise inférieure (23) comportant une membrure inférieure propre (24, 25), modifiable en hauteur et reliée au corps de base de pont (11), en ce que la membrure inférieure (24, 25) de chaque corps de base de pont (11) peut être reliée à la membrure inférieure (24, 25) de chaque corps de base de pont (11) voisin par un dispositif de verrouillage (35').
  3. Pont suivant la revendication 2, caractérisé en ce que le dispositif de verrouillage (35') destiné à la membrure inférieure (24, 25) est réalisé sous la forme d'un accouplement par axes (35') sur chacune des membrures inférieures (24, 25), les axes (39) s'engageant dans des évidements (50) de chaque membrure inférieure voisine.
  4. Pont suivant la revendication 1 ou la revendication 3, caractérisé en ce que chaque accouplement à boulons (35, 35') présente deux boulons (39) mobiles sur un axe commun.
  5. Pont suivant la revendication 4, caractérisé en ce que les boulons (39) peuvent se déplacer dans les deux sens.
  6. Pont suivant l'une des revendications 1 à 5, caractérisé en ce que les évidements (50) sont réalisés sous la forme de trous de passage d'éclisses (36) fixes.
  7. Pont suivant l'une des revendications 1 à 6, caractérisé en ce que le déplacement des boulons (39) se fait au moyen d'une coulisse de guidage (43).
  8. Pont suivant la revendication 7, caractérisé en ce que la coulisse de guidage (43) présente, pour les deux boulons (39), des rainures de commande symétriques (42).
  9. Pont suivant la revendication 7 ou la revendication 8, caractérisé en ce que la coulisse de guidage (43) est mobile sous l'action d'un disque de commande (47, 47').
  10. Pont suivant la revendication 9, caractérisé en ce que le disque de commande (47, 47') présente une rainure de commande (46) sous la forme d'une développante de cercle.
  11. Pont suivant la revendication 9 ou la revendication 10, caractérisé en ce que le disque de commande (47, 47') est fixé sur un arbre transversal (48) qui s'étend sur toute la largeur de l'élément de pont (10) ou d'une poutre supportant la piste de circulation de l'élément de pont (10').
  12. Pont suivant l'une des revendications 1 à 11, caractérisé en ce que les rampes rabattables (12) présentent, dans la zone de leur extrémités plane, une saillie (34), qui - dans la position dans laquelle les rampes rabattables (12) reposent sur le corps de base du pont (11) et sont appliquées contre le corps de base du pont par des forces de pression dirigées dans la direction longitudinale du pont - s'engagent dans un évidement (33) du corps de base du pont (11), étant entendu que l'évidement (33) présente une limitation dans la direction de la piste de circulation (19).
EP93103635A 1992-03-23 1993-03-06 Pont déplaçable Expired - Lifetime EP0562338B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4209316 1992-03-23
DE4209316A DE4209316A1 (de) 1992-03-23 1992-03-23 Verlegbare Brücke

Publications (2)

Publication Number Publication Date
EP0562338A1 EP0562338A1 (fr) 1993-09-29
EP0562338B1 true EP0562338B1 (fr) 1996-05-29

Family

ID=6454747

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93103635A Expired - Lifetime EP0562338B1 (fr) 1992-03-23 1993-03-06 Pont déplaçable

Country Status (4)

Country Link
US (1) US5297308A (fr)
EP (1) EP0562338B1 (fr)
DE (2) DE4209316A1 (fr)
ES (1) ES2087594T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19724771C1 (de) * 1997-06-12 1998-10-01 Dornier Gmbh Modulare Brücke
DE10024164B4 (de) 2000-05-17 2004-07-01 Dr.Ing.H.C. F. Porsche Ag Vorrichtung zur Drehmomentabstützung einer Brennkraftmaschine
DE102006042251A1 (de) 2006-09-08 2008-03-27 General Dynamics Santa Bárbara Sistemas GmbH Brückenelement
CN110747726B (zh) * 2019-11-19 2024-07-26 成都建筑材料工业设计研究院有限公司 双平转开启桥连接锁紧装置及双平转开启桥
CN113265937B (zh) * 2021-06-18 2024-07-23 孙建军 城市道口整体升降钢构立交桥多功能分段升降结构设置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1509964A (fr) * 1966-10-05 1968-01-19 France Etat Matériel amphibie de franchissement
GB1209747A (en) * 1966-12-16 1970-10-21 Nat Res Dev Improvements in or relating to dismantleable bridges and other structures
DE1918600B1 (de) * 1969-04-12 1970-12-10 Gehlen Dipl Ing Dr Rer Pol Her Fahrzeug mit ablegbarer Rampe zum Bilden von Bruecken,insbesondere Schwimmbruecken,und Faehren
DE1945676A1 (de) * 1969-09-10 1971-03-11 Krupp Gmbh Bauelemente fuer zerlegbare Bruecken und UEberbau einer solchen
DE2017489A1 (de) * 1970-04-11 1971-10-28 Klöckner-Humboldt-Deutz AG, 5000Köln Brückenhälften, die übereinander auf einem Transportfahrzeug gelagert miteinander verbunden werden
DE2324646C3 (de) * 1973-05-16 1982-01-28 Fried. Krupp Gmbh, 4300 Essen Verfahren zum Montieren einer Brücke und gemäß dem Verfahren zu montierende Brücke, insbesondere zerlegbare Brücke
SU837994A1 (ru) * 1979-09-26 1981-06-15 Okulov Pavel D Пролетное строение механизированногоМОСТА
EP0076597B1 (fr) * 1981-10-05 1987-01-21 The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Module de pont à employer dans un procédé de construction, avec utilisation de grues, d'un pont poutre décomposable
US4534079A (en) * 1982-06-17 1985-08-13 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Transportable folding bridge
FR2649426B1 (fr) * 1989-07-06 1992-03-20 Mediterranee Const Navales Ind Systeme de pontage permettant a des vehicules de franchir des breches
FR2666772B1 (fr) * 1990-09-14 1994-05-06 Mediterranee Const Indles Systeme de transport d'au moins une travure de pontage destinee au franchissement d'une breche et de depose de la travure au-dessus de la breche a partir d'un vehicule.

Also Published As

Publication number Publication date
ES2087594T3 (es) 1996-07-16
US5297308A (en) 1994-03-29
DE59302718D1 (de) 1996-07-04
EP0562338A1 (fr) 1993-09-29
DE4209316A1 (de) 1993-09-30

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