EP2044273A1 - Tour d'etaiement - Google Patents
Tour d'etaiementInfo
- Publication number
- EP2044273A1 EP2044273A1 EP07823533A EP07823533A EP2044273A1 EP 2044273 A1 EP2044273 A1 EP 2044273A1 EP 07823533 A EP07823533 A EP 07823533A EP 07823533 A EP07823533 A EP 07823533A EP 2044273 A1 EP2044273 A1 EP 2044273A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vertical
- elements
- railing
- ladder
- uprights
- 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.)
- Granted
Links
- 230000000712 assembly Effects 0.000 claims abstract description 12
- 238000000429 assembly Methods 0.000 claims abstract description 12
- 238000009415 formwork Methods 0.000 description 3
- 238000007373 indentation Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/14—Comprising essentially pre-assembled two-dimensional frame-like elements, e.g. of rods in L- or H-shape, with or without bracing
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/18—Scaffolds primarily resting on the ground adjustable in height
- E04G1/20—Scaffolds comprising upright members and provision for supporting cross-members or platforms at different positions therealong
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
- E04G11/483—Supporting heads
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/14—Railings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/15—Scaffolds primarily resting on the ground essentially comprising special means for supporting or forming platforms; Platforms
- E04G2001/155—Platforms with an access hatch for getting through from one level to another
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/28—Scaffolds primarily resting on the ground designed to provide support only at a low height
- E04G1/30—Ladder scaffolds
- E04G2001/302—Ladder scaffolds with ladders supporting the platform
- E04G2001/305—The ladders being vertical and perpendicular to the platform
Definitions
- the present invention relates to a spreading tower adapted to withstand high vertical loads.
- the most common shoring towers are of the "ladder” type.
- This type of shoring tower consists of metal ladder frames comprising two vertical tubular uprights connected by horizontal bars spaced about 50 cm. These frames called scales are placed face to face and connected by horizontal and / or oblique bars that keep them vertical and parallel.
- the desired number of ladder frames are stacked so that the shoring tower reaches the desired height.
- lower frames of the screw adjustment cylinders are placed under the tubular uprights.
- Screw jacks are also often placed at the upper ends of the shoring tower to adjust the laying plane of the supported load, for example a slab formwork.
- platforms or floors are usually installed on the ladder rungs at the desired height and guardrails are installed to prevent personnel from falling.
- Ladders are also often installed inside the tower between these different levels to make it easier to access the platforms, which in this case are equipped with hatches with secure closure panels.
- the structure of the shoring tower can withstand heavy loads and can have the height required to achieve the desired support for example that of a slab formwork.
- the shoring tower comprises a lower section for cooperating with the ground and at least one running section mounted above said lower section, said tower being characterized in that each current section comprises :
- each railing element comprising two vertical uprights interconnected by rails, and in that it furthermore comprises:
- each connector assembly comprising first means for interconnecting the vertical uprights of two successive ladder elements so that they are aligned vertically and second means for interconnecting the vertical uprights of two successive railing elements so that they are aligned vertically.
- the shoring tower is characterized in that the connector element is integral and forms an integral part of the lower end of a vertical post of railing element and in that said first connection means are constituted by two organs of vertical connection aligned, respectively turned upward and downward, to cooperate with the lower end of a vertical ladder element upright and the upper end of a vertical upright of a ladder element lower, and in that the second connection means comprise a third connection member facing downwards, aligned with the vertical upright of the railing element, to cooperate with the upper end of a vertical upright member. a lower railing element.
- the connector assemblies for interconnecting the ladder elements and railing elements of the lower section with a current section or between the current sections can avoid the use small assembly parts.
- the connector assemblies are an integral part of the railing elements.
- this structure makes it possible to obtain a continuity of the vertical load recovery via the vertical uprights of the ladder elements, the guardrail elements serving, in addition to fulfilling their usual safety function, to ensure the relative maintenance of the ladder elements between them and thus to maintain the rigidity of the structure of the shoring tower. More precisely, the guard body elements serve to take up the lateral forces.
- the shoring tower is characterized in that each end of the vertical uprights of the ladder elements and vertical uprights of the guardrail elements are hollow, and in that each connector assembly comprises a plate integral with the lower end of a vertical upright of a railing element and in that said three connecting members are extensions projecting from said plate.
- each railing element comprises two locking systems, each locking system being adapted, in the active position, to lock said vertical uprights in said connector elements.
- each latch system is mounted at one end of the upper rail of a guardrail element and in that each latch comprises a movable latch rod in horizontal translation able, in the active position, to penetrate into holes in the ends of the vertical uprights and in said extensions of the connector assemblies. It is understood that this latch system which is mounted on the ends of the upper rail of each railing allows, in a single operation, to completely secure the ladder elements and railing elements of two sections of successive shoring tower. These locks being integral with the railing elements, they are not likely to be lost.
- the shoring tower is characterized in that said lower section comprises:
- each ladder element comprising two vertical uprights connected by horizontal bars;
- each railing element comprising two vertical uprights interconnected by smooth
- each jack being adapted to be mounted at the lower end of a vertical ladder element amount in the extension of said amount;
- each connection system of said lower section comprises a fixed plate integral with the lower end of a lower railing element and a vertical hollow bushing secured to said platen for receiving vertical adjustment cylinders and the lower end of a vertical ladder element upright.
- each socket of a connection system comprises at least one notch to allow the engagement of one end of the lower bar of a ladder element, the notch being arranged in such a manner that said bar extends in a direction orthogonal to the vertical plane of a railing element.
- FIG. 1 is a perspective view of a shoring tower according to the invention having a lower section and a running section;
- Figure 2 is a plan view of a lower guard element;
- Figure 3A is an elevational view and
- Figure 3B is a top view of a ladder element;
- FIG. 4 is an elevational view of a guardrail element of current section of the shoring tower
- FIG. 5 is an enlarged view showing the connection system associated with the lower guardrail.
- FIG. 6 is a view showing a preferred embodiment of a platform or floor adapted to be mounted on the shoring tower according to the invention.
- the shoring tower consists of a lower section 12 and a single current section 14 which therefore also constitutes the upper section.
- the spreading tower may of course have several common sections 14, one of which constitutes the upper section.
- the lower section 12 is constituted by two scale elements 16 and 18 identical and two railing elements 20 and 22 also identical.
- the ladder elements 16 and 18 and the lower railing elements 20 and 22 are connected to each other in such a way that they generally form a rectangular parallelepiped-shaped structure, the ladder elements being vertical and parallel to one another, the railing elements being also vertical and parallel to each other and more orthogonal to the scale elements.
- the current section 14, or each current section 14, is also constituted by ladder elements 16 'and 18' which may be identical to the ladder elements of the lower section.
- the railing elements 20 'and 22' have a general structure identical to that of the guardrail elements 20 and 22 of the lower section but have, as will be explained later, different rail systems and connector assemblies which are also different.
- the shoring tower also preferably comprises at least one platform 24 to conveniently access its upper end or at intermediate levels, screw jacks such as 26 which make it possible to adjust or adjust the verticality of the tower. shoring in the case where the ground on which it must rest is not flat or horizontal and the upper section 14 of the shoring tower is equipped with fork jacks such as 28 to receive, for example, beams constituting horizontal formwork elements.
- FIG. 2 a preferred embodiment of a lower guard element, for example the element 20 of FIG. 1, will be described.
- the railing element 20 is constituted by two vertical uprights 30 and 32, for example of rectangular cross-section, interconnected by an upper horizontal rail 34 and by two inclined rails 36 and 38 ensuring the rigidity between the upper rail 34 and the uprights 30 and 32 while leaving an access path.
- the upper ends 30a and 32a of the uprights 30 and 32 protrude above the horizontal beam 34 and are hollow at least in this upper part.
- the lower end 30b, 32b of each upright 30 and 32 is equipped with a connection system 40 which is shown in more detail in FIG. 5.
- the upper horizontal stringer 34 is equipped at each of its ends 34a, 34b of a movable latch 42 whose rod 44 is guided in a bushing 46 integral with the rail 34.
- the rod 44 of the latch can assume a retracted position or an extended position, such as that shown in FIG. 2, in which the rod 44 protrudes from the upper ends 30a and 32a of the uprights 30 and 32. These are of course provided with horizontal holes 48 for the passage of the rod 44 in the extended position. Finally, the uprights 30 and 32 are provided with lifting rings 50 and 52 to allow easy handling including crane.
- FIGS. 3A and 3B a preferred embodiment of a ladder element, for example scale element 16 of FIG. 1, will be described.
- This is constituted by two parallel vertical uprights 56 and 58, preferably of circular cross section. At least the lower and upper ends of these amounts are hollow.
- the vertical uprights 56 and 58 are interconnected by horizontal ladder bars such as 60 regularly spaced, for example, a distance of 30 cm from each other.
- ladder bars such as 60 regularly spaced, for example, a distance of 30 cm from each other.
- the structure of the ladder element is such that it is completely symmetrical with respect to its longitudinal plane. This of course simplifies the editing operations since the scale element can be presented according to any one of these faces.
- each vertical upright 56, 58 has at its upper end 56a, 58a and at its lower end 56b, 58b holes such as 61 and 62 which serve to allow the introduction of the movable rod 44 of the lock systems 42 of the railing, as will be explained later.
- connection system 40 comprises a plate 70 preferably forming part of the uprights 30 or 32 on which is welded or fixed by any suitable means the end lower 30b vertical uprights 30 of the lower railing.
- the same is true for the inclined rails 36.
- a connection member 72 which preferably has the form of a square section sectional section. This profile thus protrudes out of the plate 70 and is parallel to the vertical upright 30 but offset from it in the direction of the plane of the guardrail element.
- the profile 72 has dimensions such that it allows the insertion of the lower ends 56b and 58b of the vertical uprights 56 and 58 of the lower ladder element.
- the upper end 72a of the profile 72 is provided with two notches such as 74 and 76 which have dimensions suitable for allowing the ends of the bars 60 of the ladder elements to pass.
- These notches 74 and 76 define a direction that is orthogonal to the plane of the lower railing elements.
- the presence of the two indentations 74 and 76 allows assembly of the ladder elements and the lower guard elements in both directions. In other words, the indentations make it possible to orient at right angles the scale elements and the railing elements.
- the plate 70 has a lower circular opening 78 to allow mounting of the mechanical foot jacks 26.
- the railing element of the current section 14 is preferably distinguished from the railing element of the lower section 12 by the shape of its smooth and especially by the connector assemblies whose lower parts are equipped.
- the current railing element 20 ' is also constituted by two vertical uprights, preferably of rectangular cross-section, parallel, 80 and 82 interconnected by an upper rail 84, a lower rail 86 and, preferably, a rail intermediate 88.
- a connector assembly 89 which is constituted by a plate 90 attached to the end
- the vertical upright 80 continues beyond the platen 90 by a portion 92 of smaller dimension capable of penetrating the open upper end 80b of a vertical upright of a guard element. lower body.
- the connector assembly 89 also has a first upper vertical bushing 94 which can enter the lower end of a vertical upright of an upper ladder element and a lower bushing 96 which faces downwardly and can penetrate into the end. upper open of a vertical amount of another ladder element thus ensuring the continuity of the vertical uprights of the ladder elements.
- the extension 92 and the lower sockets 96 are provided with an orifice to allow the passage of the rod 44 of the latch systems 42 of the guardrail elements.
- bushings 94 and 96 have a vertical common axis that is offset from the vertical uprights 80 and 82 of the guardrail element so that when the sections 12, 14 of the shoring tower are assembled, the vertical uprights of the ladder elements which serve to take up the vertical forces, are vertically aligned respectively.
- the current railing element 20 is provided with lifting rings such as 98.
- the upper rail 84 of the current railing is also equipped at each of its ends.
- a latch system 100 The latch system 100 is in all respects identical to the latch system 42 of the lower guardrail.
- the rod 102 of each latch slides in a socket 103 and can penetrate into a hole made in the upper end of the vertical uprights of the railings, in the hole made in the bushings 94 of the connector assemblies 88 of the railings and in the lower ends of the uprights of the ladder elements. This ensures the locking of railing elements and ladder elements vertically arranged one above the other.
- FIG 6 there is shown a platform member 110 which can be used in the frame of the shoring tower object of the present invention but which could be used also in other structures such as scaffold structures more classics.
- the platform 110 is constituted by a frame 112 which has two end faces 114 and 116, a longitudinal side 118 and a portion of second longitudinal side 120 which is only part of the length of the platform.
- the side 120 thus defines with the end edge 116 an opening in the frame referenced 122.
- the end posts 114 and 116 are equipped with hooks such as 124 and 126 to hook onto horizontal elements of the elements. ladder of the shoring tower or on any horizontal element of a scaffolding system.
- the platform is also constituted by a plate 127 which is fixed, permanently, on a portion of the longitudinal upright 118, on the end upright 114 and on the partial upright 120.
- An intermediate upright 128 parallel to the end uprights is planned.
- the platform 110 also includes a complementary plate member 130 which is hinged to the longitudinal post 118 about its side 130a.
- a strut 132 is secured to the end of the intermediate beam 128 and equipped with a hook 134 to ensure the stability of the platform member.
- the pivoting of the plate member 130 is limited to comply with the regulations and it is understood that because of the free access area 122 and the pivoting of the plate 130, it is easy to access the defined portion by the fixed plate 126 and then fold down the plate 130 to functionally obtain a conventional structural platform.
- the mounting of the shoring tower is easy.
- Two lower railing elements are placed on the ground, keeping them parallel.
- the lower ends of the uprights 56, 58 of two scale elements are introduced into the sockets 72 of the connection systems.
- the relative orientation (orthogonal) of the four elements is obtained automatically through the cooperation of the notches and the ends of the bars 60. It was thus realized the mounting of the lower section 12 of the shoring tower.
- Two common railing elements 20 ', 22' are superimposed on the lower railing elements 20, 22 by cooperation of the lower ends 92 of the uprights 80, 82 with the upper ends of the lower uprights and the connection members with the ends. lower the amounts of the ladder elements and one sets up two current scale elements 16, 18.
- the lower ends of the current scale element uprights are engaged on the organs connection 94 of the connector assemblies 89. Then, it acts on the lock systems 42 of the lower railings to lock the assembly.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ladders (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0605940A FR2903135B1 (fr) | 2006-06-30 | 2006-06-30 | Tour d'etaiement batiment |
PCT/FR2007/051577 WO2008020138A1 (fr) | 2006-06-30 | 2007-07-02 | Tour d'etaiement |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2044273A1 true EP2044273A1 (fr) | 2009-04-08 |
EP2044273B1 EP2044273B1 (fr) | 2015-01-14 |
Family
ID=38846800
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07823533.0A Active EP2044273B1 (fr) | 2006-06-30 | 2007-07-02 | Tour d'etaiement |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2044273B1 (fr) |
FR (1) | FR2903135B1 (fr) |
WO (1) | WO2008020138A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102127976A (zh) * | 2011-04-21 | 2011-07-20 | 中国建筑第八工程局有限公司 | H型钢塔吊承台 |
ES2677695A1 (es) * | 2017-02-03 | 2018-08-06 | Sistemas Tecnicos De Encofrados, S.A. | Cabezal para puntal |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2959260B1 (fr) | 2010-04-23 | 2012-05-18 | Trium Invest | Tour d'etaiement |
FR2959261B1 (fr) * | 2010-04-23 | 2012-07-13 | Trium Invest | Element de garde-corps d'une tour d'etaiement unitaire, et tour d'etaiement le comportant. |
FR3005086B1 (fr) * | 2013-04-30 | 2015-04-10 | Godon Sas | Raccord de liaison pour tour d'etaiement |
FR3005085B1 (fr) * | 2013-04-30 | 2016-09-30 | Godon Sas | Element d'extremite pour tour d'etaiement comportant une manette et un organe de support |
ES2597236B1 (es) * | 2015-07-15 | 2017-06-08 | Sistemas Técnicos De Encofrados, S.A. | Puntal de soporte de vigas para encofrados de hormigón |
CN105178626B (zh) * | 2015-09-16 | 2017-12-08 | 中建钢构有限公司 | 轻型多功能支承装置的顶紧力计算方法 |
CN107950191B (zh) * | 2017-12-14 | 2023-10-27 | 三峡大学 | 便携式可伸缩折叠的登高装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1324406A (fr) * | 1962-03-08 | 1963-04-19 | éléments préfabriqués interchangeables pour des assemblages manuels appropriés en échafaudages et échelles | |
FR1539698A (fr) * | 1967-06-08 | 1968-09-20 | Somefran | échafaudage roulant léger à positions de travail multiples |
US5069309A (en) * | 1989-09-28 | 1991-12-03 | Emerson Electric Co. | Rolling tower scaffold and method and tooling apparatus for manufacturing the same |
US5135077A (en) * | 1991-08-12 | 1992-08-04 | Universal Builders Supply, Inc. | Scaffolding system |
-
2006
- 2006-06-30 FR FR0605940A patent/FR2903135B1/fr not_active Expired - Fee Related
-
2007
- 2007-07-02 WO PCT/FR2007/051577 patent/WO2008020138A1/fr active Application Filing
- 2007-07-02 EP EP07823533.0A patent/EP2044273B1/fr active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2008020138A1 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102127976A (zh) * | 2011-04-21 | 2011-07-20 | 中国建筑第八工程局有限公司 | H型钢塔吊承台 |
ES2677695A1 (es) * | 2017-02-03 | 2018-08-06 | Sistemas Tecnicos De Encofrados, S.A. | Cabezal para puntal |
WO2018142004A1 (fr) * | 2017-02-03 | 2018-08-09 | Sistemas Tecnicos De Encofrados, S.A. | Étrier pour étai |
US11230851B2 (en) | 2017-02-03 | 2022-01-25 | Sistemas Tecnicos De Encofrados, S.A. | Head for a prop |
Also Published As
Publication number | Publication date |
---|---|
WO2008020138A1 (fr) | 2008-02-21 |
FR2903135B1 (fr) | 2015-02-27 |
FR2903135A1 (fr) | 2008-01-04 |
EP2044273B1 (fr) | 2015-01-14 |
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