WO2013017704A1 - Dispositif d'étrier pour le déplacement de grandes structures mobiles - Google Patents

Dispositif d'étrier pour le déplacement de grandes structures mobiles Download PDF

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Publication number
WO2013017704A1
WO2013017704A1 PCT/ES2011/070568 ES2011070568W WO2013017704A1 WO 2013017704 A1 WO2013017704 A1 WO 2013017704A1 ES 2011070568 W ES2011070568 W ES 2011070568W WO 2013017704 A1 WO2013017704 A1 WO 2013017704A1
Authority
WO
WIPO (PCT)
Prior art keywords
rack
combs
comb
crankshafts
bearings
Prior art date
Application number
PCT/ES2011/070568
Other languages
English (en)
Spanish (es)
Inventor
Alberto VIZCARGÜENAGA VIZCARGÜENAGA
Javier ARIÑO VIAR
Pedro AMPUERO CASTELLANOS
Ramón CAMPO DELGADO
Alberto GOMEZ MERCHÁN
Oscar VEGA BEASCOA
Borja ETXEITA ARRIAGA
Gaizka MURGA LLANO
Original Assignee
Idom Ingenieria Y Consultoria, S.A.
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 Idom Ingenieria Y Consultoria, S.A. filed Critical Idom Ingenieria Y Consultoria, S.A.
Priority to EP11870249.7A priority Critical patent/EP2740701B1/fr
Priority to ES11870249.7T priority patent/ES2576181T3/es
Priority to PCT/ES2011/070568 priority patent/WO2013017704A1/fr
Publication of WO2013017704A1 publication Critical patent/WO2013017704A1/fr

Links

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
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/02—Devices, e.g. jacks, adapted for uninterrupted lifting of loads with racks actuated by pinions

Definitions

  • Climbing device for moving large mobile structures.
  • the present invention refers to a device for moving large mobile or rotating structures, sports stadium decks, astronomical telescope gates, wind turbine structures, stages for shows, as well as for loading and / or unloading of merchant ships, etc.
  • the mechanism of the present invention is similar to a caterpillar type mechanism, in that it consists of a rack on which several combs are moved, which are arranged longitudinally with respect to said rack and are actuated by means of a crankshaft type eccentric mechanism. , so that each comb is describing a circular movement on top of the zipper, engaging in it while pushing it in the direction of advance and separating from it to retract against the direction of advance of it, to re-engage in a position more delayed and start with the thrust again, once by its circular motion it descends and engages again in it.
  • the movement is more precise than a conventional mechanism since the tooth pitch of each comb can be significantly smaller than any circular pinion that can be developed for the same drag power.
  • the number of combs is relatively high, at least 3 to 9 combs are placed, preferably 6, at least one of these combs is at all times engaged in the rack, thus carrying out a very precise movement and, although the force of traction is large, the tension of each tooth is significantly less than a conventional pinion-rack mechanism, since the total force is divided by the number of teeth.
  • the mechanism is designed so that at least all the teeth of a comb (and sometimes two) are in contact with the zipper at any given time, with which the number of teeth in contact is always high, unlike the pinion-rack type mechanisms in which the average number of teeth It's contact is always less than two; therefore, the effort in each tooth is minimized, even with a significantly lower drag force, so that the teeth can be much smaller and a more precise and reliable displacement system can be achieved.
  • the main benefits of the mechanism compared to traditional transmission systems of large mobile structures is that it is more efficient and compact if we consider the speed required for a given application. It also provides a very strong connection between the fixed (reference) part of the structure and the mobile structure, ensuring high accuracy of the required position and smooth operation.
  • crankshafts To effect the circular movement of the combs, of advance coupled in the zipper and reverse in empty, these are mounted in two crankshafts whose eccentric ones determine when turning the position of each comb. Both crankshafts are the same and are synchronized or mounted in the same position so that the movement of the two ends of the comb is uniform and the body of the comb remains horizontally above the rack at all times.
  • the set of combs with their crankshafts and the rest of the elements of the device is mounted on a frame that has two closing plates, which incorporate the bearings for the crankshafts and the bearings for a series of rollers supporting the mechanism in the rack, in those who relapse the work of supporting the weight of the system, so that the drag combs do not suffer in this sense since they do not support any weight.
  • the fact that the device is supported by a set of rollers allows sliding friction not to occur at the point of contact of the drive mechanism, which increases the efficiency of the mechanism and reduces the wear of the combs and rollers, the Single point of friction occurs at the contact between the rollers and rack pins, where the pressure distribution is more uniform.
  • said frame incorporates stumps mounted on spherical ball joints, on which the mobile structure rests, transmitting the weight to the mechanism and this through the support wheels in the fixed structure, constituted in this case by a rack on the one that moves the load.
  • the climber frame also mounts another set of vertical wheels that prevent it from rising at any time; These wheels rest on another track installed in front, supporting the reactions caused by the pressure angle of the comb contact.
  • Figure 1 shows a perspective view of the drive device object of the invention.
  • Figure 2 corresponds to a view equivalent to the previous figure 1, with the device open.
  • Figure 3 represents a plan view of the same device.
  • Figure 4 is a sectional view along a vertical plane along the area marked A-A in the previous figure.
  • the device for the movement of large movable structures is interposed between the fixed structure, which incorporates a zipper on which the mobile structure moves, supported by different devices of this nature located in various points conveniently distributed in accordance with the structure to be moved.
  • Each device is driven by two synchronized servomotors (1), which move two crankshafts (3), which are mounted on a frame formed by two closing plates (5), in which the bearings and bearings on which they rotate are mounted. crankshafts and various wheels or rollers (4,6).
  • crankshafts and various wheels or rollers (4,6) On the crankshafts (3) a series of combs (2) are mounted parallel to each other and with respect to the rack or the advance line of the device.
  • the teeth (8) of the combs (2) are configured with the passage of the fixed rack, so that they can be mechanically coupled thereto.
  • each of the combs makes a movement determined by the respective eccentrics presented by the respective crankshafts in the comb coupling area, which at all times have the same arrangement for that the comb is always in a horizontal position and makes a rotation movement on two lateral axes, coinciding with the respective crankshafts, which longitudinally translates into an approach and drag movement of the device when resting on the zipper and then away from the zipper and back to a previous position.
  • the number of combs is 6, this being the number that has been found most suitable for this solution; however, a device with a number of combs between 3 and 9 could be designed and constructed.
  • the angular offset between the eccentrics that coincide with each comb (2), of each crankshaft (3), is such that at least one Comb is attached to the zipper by pushing the moving part of the device; although sometimes there are two combs attached to the zipper on which the device moves, so that the number of teeth that are engaging in it is high.
  • the set of combs (2) and crankshafts (3) is mounted on a frame that has two closing plates (5) on which the bearings for the two crankshafts (3) are mounted.
  • two rollers or crenellated wheels (4) are mounted through which the device is supported by the rack, so that it is these rollers that support the weight of the mobile structure and not the combs that only exercise displacement so that their teeth are not subjected to high tension.
  • Also between the plates (5) that make up the frame of the device are mounted on the ends of each stump (6), through spherical bearings or spherical plain bearings. The purpose of these stumps is to serve as support for the mobile structure, which transmits its weight at these points to the frame and this through the support wheels (4) to the fixed structure through the existing rack in it .
  • the device is completed with two bearings in which a series of vertical wheels (7) are mounted, which rest on a track located in front.
  • the purpose of these wheels is to prevent the device from being lifted for any reason.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

L'invention concerne un dispositif d'étrier pour le déplacement de grandes structures mobiles, constitué d'une série de peignes (2), montés sur des vilebrequins respectifs égaux (3), qui les traversent transversalement et tournent, à l'unisson et de manière synchronisée, de sorte que les deux excentriques, correspondant à chaque peigne, présentent à tout moment la même disposition, afin que le peigne soit toujours en position horizontale et effectue un mouvement de rotation sur les axes latéraux, coïncidant avec les vilebrequins respectifs, qui se traduit longitudinalement en un mouvement d'approche et d'entraînement du dispositif lorsqu'il s'appuie sur la crémaillère et suivi de l'éloignement de la crémaillère et du retour vers une position antérieure. A tout moment au moins un peigne est en contact avec la crémaillère et par conséquent toutes les dents dudit peigne sont engrenées dans la crémaillère.
PCT/ES2011/070568 2011-08-01 2011-08-01 Dispositif d'étrier pour le déplacement de grandes structures mobiles WO2013017704A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP11870249.7A EP2740701B1 (fr) 2011-08-01 2011-08-01 Dispositif d'étrier pour le déplacement de grandes structures mobiles
ES11870249.7T ES2576181T3 (es) 2011-08-01 2011-08-01 Dispositivo trepador para desplazamiento de grandes estructuras móviles
PCT/ES2011/070568 WO2013017704A1 (fr) 2011-08-01 2011-08-01 Dispositif d'étrier pour le déplacement de grandes structures mobiles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/ES2011/070568 WO2013017704A1 (fr) 2011-08-01 2011-08-01 Dispositif d'étrier pour le déplacement de grandes structures mobiles

Publications (1)

Publication Number Publication Date
WO2013017704A1 true WO2013017704A1 (fr) 2013-02-07

Family

ID=47628661

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2011/070568 WO2013017704A1 (fr) 2011-08-01 2011-08-01 Dispositif d'étrier pour le déplacement de grandes structures mobiles

Country Status (3)

Country Link
EP (1) EP2740701B1 (fr)
ES (1) ES2576181T3 (fr)
WO (1) WO2013017704A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3033861A1 (fr) 2015-03-16 2016-09-23 Franck Olivier Loriot Dispositif de transmission de mouvement pour utilisation principalement dans un bras de robot

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2130682A (en) * 1982-11-19 1984-06-06 Wickham & Co Limited D Improvements in gear mechanisms
DE3939762A1 (de) * 1989-12-01 1991-06-06 Boecker Albert Gmbh & Co Kg Bauaufzug fuer den material- und/oder personentransport
WO1997011290A2 (fr) * 1995-09-19 1997-03-27 Paul Lingen Mecanisme de transmission pour engins de transport, par exemple pour plates-formes de travail, ascenseurs et equivalent sur des echafaudages pour le transport d'hommes et de materiel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2130682A (en) * 1982-11-19 1984-06-06 Wickham & Co Limited D Improvements in gear mechanisms
DE3939762A1 (de) * 1989-12-01 1991-06-06 Boecker Albert Gmbh & Co Kg Bauaufzug fuer den material- und/oder personentransport
WO1997011290A2 (fr) * 1995-09-19 1997-03-27 Paul Lingen Mecanisme de transmission pour engins de transport, par exemple pour plates-formes de travail, ascenseurs et equivalent sur des echafaudages pour le transport d'hommes et de materiel

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2740701A4 *

Also Published As

Publication number Publication date
EP2740701A1 (fr) 2014-06-11
EP2740701A4 (fr) 2015-04-15
EP2740701B1 (fr) 2016-06-01
ES2576181T3 (es) 2016-07-06

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