FR2474009A1 - Work platform with telescopic frame - has box-like parts sliding inside each other with section reduced before sliding starts - Google Patents
Work platform with telescopic frame - has box-like parts sliding inside each other with section reduced before sliding starts Download PDFInfo
- Publication number
- FR2474009A1 FR2474009A1 FR8001359A FR8001359A FR2474009A1 FR 2474009 A1 FR2474009 A1 FR 2474009A1 FR 8001359 A FR8001359 A FR 8001359A FR 8001359 A FR8001359 A FR 8001359A FR 2474009 A1 FR2474009 A1 FR 2474009A1
- Authority
- FR
- France
- Prior art keywords
- section
- uprights
- sections
- mobile
- spacers
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
-
- 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
- E04G1/22—Scaffolds having a platform on an extensible substructure, e.g. of telescopic type or with lazy-tongs mechanism
Abstract
Description
La presente invention concerne une ossature télescopique support de nacelle permettant de travailler au dessus du sol en toute sécurité. The present invention relates to a telescopic basket support frame making it possible to work above the ground in complete safety.
On confort des ossatures télescopiques support de nacelle comportant des éléments mobiles coulissant entre eux constitués chacun par deux montants reliés par des traverses engendrant des échelons, l'élément inferieur est fixe, il est relié à un chassie mobile au moyen de roues servant d'assise. les montant des élément ser- vent entre eux de coulisse jusqu'au dernier où en extrémite est fixée la nacelle, le déplacement et maintien des eléments entre eux est ob. Comfort is provided for telescopic nacelle support frames comprising movable elements sliding between them each consisting of two uprights connected by crosspieces generating steps, the lower element is fixed, it is connected to a movable frame by means of wheels serving as a seat . the uprights of the elements are used between them to slide until the last where at the end is fixed the nacelle, the movement and maintenance of the elements between them is ob.
tenu au moyen d'un treuil à câble ou à chaîne, la stabilité des montants fixés a l'assise est engendrée par des bracons obliques reliant lesdits montants au chassie servant d'assise, lesdits bracons pouvant être reliés entre eux par des entretoises servant de marches et/ou éche lons. Ce genre d'ossature télescopique support de nacelle présente un inconvénient majeur au niveau de la sécurité lors de l'accès L la nacelle une foie les éléments déployés. en effet il n'est prévu aucune structure de protection dénommée couramment crinoline.held by means of a cable or chain winch, the stability of the uprights fixed to the seat is generated by oblique bracons connecting said uprights to the frame serving as seat, said bracons being able to be connected together by spacers serving steps and / or steps. This kind of telescopic nacelle support framework has a major drawback in terms of security when accessing the nacelle with the deployed elements. in fact, no protective structure is commonly called crinoline.
L'invention a pour but de supprimer l'inconvénient précédem- ment cité. The object of the invention is to eliminate the above-mentioned drawback.
L'invention a pour objet une ossature télescopique support de nacelle comportant une crinoline de sécurité lors de l'accès à la nacelle, ossature caractérisée un ce qu'elle comporte un cadre hori. The subject of the invention is a telescopic nacelle support framework comprising a safety crinoline when accessing the nacelle, a structure characterized in that it comprises a hori frame.
zontal servant d'assise, pourvu de moyen de roulement tel que roues sur lequel sont fixés quatre montants verticaux constituant un tronçon fixe, les montants sont reliés entre eux par des entretoises sur les quatre faces du parallèlépipède qu'ils forment, sur une des faces les entretoises sont disposées de sorte à constituer des échelons tandis que celles der trOis autre faces constituent une crinoline, le profil der montants est tel qu'il permet de maintenir et guider un tronçon mobile enserrant ledit tronçon fixe, le tronçon mobile est constitué prr quatre montant reliés entre eux par des entretoises constituant les échelons en prolongement de la face correspondante du tronçon fixe tandis que les entretoises des autres faces constituent une crino line, sur le tronçon mobile peut être rapporté dans les mêmes condi tions que précédemment décrit un autre tronçon mobile et ainsi oe suite jusqu'à un tronçon mobile en l'extrémité haute duquel eat fixée une ossature horizontale support de plancher et garde-corps constituant la nacelle.La mise en position à hauteur souhaitée est obtenue au moyen de dispositifs connus, tel que treuil à cibles par exemple. Afin de permettre l'accès des échelons lorsque les tronçons sont deployès entre eux ou non déployés une des faces desdits tronçons en partie basse est depourvue d'entretoise jusqu'à hauteur nécessaire au passage de l'utilisateur. zontal serving as seat, provided with rolling means such as wheels on which are fixed four vertical uprights constituting a fixed section, the uprights are interconnected by spacers on the four faces of the parallelepiped that they form, on one of the faces the spacers are arranged so as to constitute steps while those on three other faces constitute a crinoline, the profile of the uprights is such that it makes it possible to maintain and guide a movable section enclosing said fixed section, the mobile section is formed by four amount connected to each other by spacers constituting the rungs in extension of the corresponding face of the fixed section while the spacers of the other faces constitute a crino line, on the mobile section can be attached under the same conditions as previously described another mobile section and so on to a movable section at the top end of which is fixed a horizontal support frame d e floor and railing constituting the nacelle. The positioning in desired height is obtained by means of known devices, such as target winch for example. In order to allow access to the rungs when the sections are deployed between them or not deployed, one of the faces of said sections in the lower part is devoid of spacer to the height necessary for the passage of the user.
D'autres caractéristiques et avantages de l'invention ressortiront plus clairement de la description qui va suivre faite en regard des dessins joints donnés à titre d'exemple non limitatif, où
- la figure 1 est une vue en perspective d'une os sature support de nacelle déployée,
- la figure 2, une vue en coupe au niveau des montants,
- la figure 3, la position de guides rapportés sur les montants et un dispositif servant de butée.Other characteristics and advantages of the invention will emerge more clearly from the description which follows, given with regard to the accompanying drawings given by way of non-limiting example, where
FIG. 1 is a perspective view of a saturated support bone for the deployed nacelle,
FIG. 2, a sectional view at the level of the uprights,
- Figure 3, the position of guides reported on the uprights and a device serving as a stop.
relle que représentée figure 1, l'ossature télescopique support de nacelle comporte un tronçon fixe 7 constitué par un cadre horizontal 1 servant d'assise, pourvu de roues 2 permettant on déplace- ment, sur le cadre 1 sont fixés quatre montants verticaux 3 et 4. les montants 3 sont reliés entre eux par des entretoises 5 constituant des échelons, les montants 3 et 4, 4 et 4, 4 et 3, par des entretoises 6 constituant des crinolines, afin de permettre l'accés aux échelons les entretoises intermédiaires 6 reliant un des montants 3 et 4 sont sup- primées.Le tronçon fixe 7 est prolongé par un tronçon mobile 8 comportant quatre montants 9 et 10, les montants 9 sont reliés par des entretoises il servant d'échelons et les montants 9 et 10, 10 et 10, 10 et 9, par des entretoises 12 constituant des crinolines, le tronçon mobile 8 coulisse et est maintenu sur les montants 3 et 4 du tronçon fixe 7 au moyen de ses montant@ 9 et 10.Un tronçon mobile 13 prolonge le tronçon mobile 8, il présente les mêmes caractéristiques, il comprend quatre montants 9a et 10a, des entretoises i la constituant des échelons et des entretoises 12a constituant des crinolines, en son ex- trémité supérieure est fixée l'ossature horizontale 15 support de plancher 16 et garde-corp 17 de la nacelle 18, le garde-corps 17 est amovible ou fixe. Afin de maintenir l'ossature horizontale 15, des bracons 19 fixés à l'ossature 15 se prolongent et sont fixes sur les montants 9a. As shown in FIG. 1, the telescopic nacelle support frame comprises a fixed section 7 constituted by a horizontal frame 1 serving as a seat, provided with wheels 2 allowing movement, on the frame 1 are fixed four vertical uprights 3 and 4. the uprights 3 are interconnected by spacers 5 constituting rungs, the uprights 3 and 4, 4 and 4, 4 and 3, by spacers 6 constituting crinolines, in order to allow access to the rungs the intermediate spacers 6 connecting one of the uprights 3 and 4 are removed. The fixed section 7 is extended by a movable section 8 comprising four uprights 9 and 10, the uprights 9 are connected by spacers it serving as rungs and the uprights 9 and 10 , 10 and 10, 10 and 9, by spacers 12 constituting crinolines, the movable section 8 slides and is held on the uprights 3 and 4 of the fixed section 7 by means of its uprights @ 9 and 10. A movable section 13 extends the movable section 8, it presents the same characteristics, it comprises four uprights 9a and 10a, spacers i constituting rungs and spacers 12a constituting crinolines, at its upper end is fixed the horizontal framework 15 floor support 16 and bodyguard 17 of the nacelle 18, the railing 17 is removable or fixed. In order to maintain the horizontal framework 15, struts 19 fixed to the framework 15 extend and are fixed on the uprights 9a.
L'élévation et le maintien des tronçons 13 et 8 sont réalises au moyen de dispositifs connus. tel que treuil 20 L câbles 21 par exemple, le treuil 20 est fixé sur le tronçon fixe 7, les câbles 21 sont ten@us sur des poulier 22
Lorsque chaque tronçon 8 et 13 est en position de repos, c'est à dire leur extrémité basse reposant sur le cadre horizontal 1, afin de permettre l'accés aux échelons, les entretoises 12 et 12a basses et intermédiaires reliant un des montants 9 et 10 et 9a et 10a sont supprimées, la suppression desdites entretoises est située du même côte que celui du tronçon fixe 7.The elevation and maintenance of the sections 13 and 8 are carried out by means of known devices. such as winch 20 L cables 21 for example, the winch 20 is fixed on the fixed section 7, the cables 21 are held on pulleys 22
When each section 8 and 13 is in the rest position, that is to say their lower end resting on the horizontal frame 1, in order to allow access to the steps, the low and intermediate spacers 12 and 12a connecting one of the uprights 9 and 10 and 9a and 10a are deleted, the elimination of said spacers is located on the same side as that of the fixed section 7.
Comme représenté figure 2, les montant 3 et 4 sont pourvu de languettes 27 servant de guides, ces dernières pénétrent à l'intérieur des montant 9 et 10 au travers de l'ouverture 28 pratiquée sur toute la longueur desdits montants constituant un eglissière, les montants 9 et 10 sont de même pourvus de languettes 27 pénétrant dans l'ouverture pratiquée sur toute la longueur des montants 9a et 10a, les languettes sont disposées de sorte à ce que les montants 3 et 4, 9 et 10, et 9a et 10a soient décalés les uns des autres afin de permettre le libre coulis- sement des tronçon et des éléments rapportés sur chacun d'eux, tel que les entretoises 5, 11 et 11a constituant ler échelons, et les entre- toises 6, 12 et 12a constituant les crinolines. As shown in FIG. 2, the uprights 3 and 4 are provided with tongues 27 serving as guides, the latter penetrating inside the uprights 9 and 10 through the opening 28 made over the entire length of said uprights constituting a guide, the uprights 9 and 10 are likewise provided with tabs 27 penetrating into the opening made over the entire length of the uprights 9a and 10a, the tabs are arranged so that the uprights 3 and 4, 9 and 10, and 9a and 10a are offset from each other in order to allow free sliding of the section and of the elements attached to each of them, such as the spacers 5, 11 and 11a constituting the rungs, and the spacers 6, 12 and 12a constituting crinolines.
rel que représenté figure 3, sur les montants 9 et 10, 9a et 10a est prévu un taquet d'arrêt 29 afin qu'en elevation extrême les tronçon ne re dissocient, lesdits taquets 29 butent sur la languette supérieure 27 des montant du tronçon qui les précédent. rel as shown in Figure 3, on the uprights 9 and 10, 9a and 10a is provided a stopper 29 so that in extreme elevation the section does not dissociate, said tabs 29 abut on the upper tongue 27 of the amount of the section which the previous ones.
Suivant une autre réalisation non représentee et sans sortir du cadre de l'invention, les montants 9a peuvent etre fixes à une plateforme et/ou surface mobile de sorte à permettre l'accés à ladite plateforme et/ou surface quelles que soient les variations d'altitude, l'elévation et/ou abaissement des tronçons étant obtenus par la simple elévation et/ou abaissement de la plateforme et/ou surface mobile. According to another embodiment not shown and without departing from the scope of the invention, the uprights 9a can be fixed to a platform and / or movable surface so as to allow access to said platform and / or surface whatever the variations d 'altitude, the raising and / or lowering of the sections being obtained by the simple raising and / or lowering of the platform and / or mobile surface.
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8001359A FR2474009A1 (en) | 1980-01-18 | 1980-01-18 | Work platform with telescopic frame - has box-like parts sliding inside each other with section reduced before sliding starts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8001359A FR2474009A1 (en) | 1980-01-18 | 1980-01-18 | Work platform with telescopic frame - has box-like parts sliding inside each other with section reduced before sliding starts |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2474009A1 true FR2474009A1 (en) | 1981-07-24 |
Family
ID=9237764
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8001359A Pending FR2474009A1 (en) | 1980-01-18 | 1980-01-18 | Work platform with telescopic frame - has box-like parts sliding inside each other with section reduced before sliding starts |
Country Status (1)
Country | Link |
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FR (1) | FR2474009A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2552414A1 (en) * | 1983-09-28 | 1985-03-29 | Raquin Pierre | Tipping lifting transporter device for handling rolls of cloth |
FR2644821A1 (en) * | 1989-03-24 | 1990-09-28 | Massa Gerard | Self-supporting scaffolding |
FR2648123A1 (en) * | 1989-06-13 | 1990-12-14 | Allemane Claude | FIXED OR MOBILE TELESCOPIC PLATFORM |
CN106029549A (en) * | 2013-12-09 | 2016-10-12 | 黑斯勒有限公司 | Vertically elevating mobile work platform |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR24003E (en) * | 1917-04-04 | 1922-02-20 | Ernest Morin | mechanical sliding ladder |
GB175321A (en) * | 1920-12-31 | 1922-02-23 | Richard Edwin Hanney | Combined extension ladder and scaffold support |
US1638611A (en) * | 1922-11-03 | 1927-08-09 | J R Mccardell & Co | Extension tower |
GB406072A (en) * | 1932-09-19 | 1934-02-22 | Samuel Rawlinson | Improvements relating to portable scaffold towers |
US2632530A (en) * | 1950-07-03 | 1953-03-24 | Elmer A Wagner | Telescoping tower vehicle |
FR1171016A (en) * | 1957-04-09 | 1959-01-21 | scaffolding | |
US3000473A (en) * | 1958-12-02 | 1961-09-19 | Reynolds Televator Corp | Telescoping tower |
FR1290621A (en) * | 1961-05-25 | 1962-04-13 | Lifting bridge with sliding elements | |
US3065819A (en) * | 1959-03-09 | 1962-11-27 | Peterson Oscar | Elevating scaffold |
FR2074922A5 (en) * | 1969-11-12 | 1971-10-08 | Colbacchini Attilio | |
GB1358384A (en) * | 1972-05-25 | 1974-07-03 | Purser B | Lifting apparatus |
-
1980
- 1980-01-18 FR FR8001359A patent/FR2474009A1/en active Pending
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR24003E (en) * | 1917-04-04 | 1922-02-20 | Ernest Morin | mechanical sliding ladder |
GB175321A (en) * | 1920-12-31 | 1922-02-23 | Richard Edwin Hanney | Combined extension ladder and scaffold support |
US1638611A (en) * | 1922-11-03 | 1927-08-09 | J R Mccardell & Co | Extension tower |
GB406072A (en) * | 1932-09-19 | 1934-02-22 | Samuel Rawlinson | Improvements relating to portable scaffold towers |
US2632530A (en) * | 1950-07-03 | 1953-03-24 | Elmer A Wagner | Telescoping tower vehicle |
FR1171016A (en) * | 1957-04-09 | 1959-01-21 | scaffolding | |
US3000473A (en) * | 1958-12-02 | 1961-09-19 | Reynolds Televator Corp | Telescoping tower |
US3065819A (en) * | 1959-03-09 | 1962-11-27 | Peterson Oscar | Elevating scaffold |
FR1290621A (en) * | 1961-05-25 | 1962-04-13 | Lifting bridge with sliding elements | |
FR2074922A5 (en) * | 1969-11-12 | 1971-10-08 | Colbacchini Attilio | |
GB1358384A (en) * | 1972-05-25 | 1974-07-03 | Purser B | Lifting apparatus |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2552414A1 (en) * | 1983-09-28 | 1985-03-29 | Raquin Pierre | Tipping lifting transporter device for handling rolls of cloth |
FR2644821A1 (en) * | 1989-03-24 | 1990-09-28 | Massa Gerard | Self-supporting scaffolding |
FR2648123A1 (en) * | 1989-06-13 | 1990-12-14 | Allemane Claude | FIXED OR MOBILE TELESCOPIC PLATFORM |
EP0403410A1 (en) * | 1989-06-13 | 1990-12-19 | Claude Allemane | Fixed or mobile telescopic platform |
CN106029549A (en) * | 2013-12-09 | 2016-10-12 | 黑斯勒有限公司 | Vertically elevating mobile work platform |
US10060142B2 (en) | 2013-12-09 | 2018-08-28 | Haessler Inc. | Vertically elevating mobile work platform |
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