FR3061751A1 - CIRCULAR FLUSH DEVICE BASED ON TORSION BAR CONCEPT - Google Patents
CIRCULAR FLUSH DEVICE BASED ON TORSION BAR CONCEPT Download PDFInfo
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- FR3061751A1 FR3061751A1 FR1750174A FR1750174A FR3061751A1 FR 3061751 A1 FR3061751 A1 FR 3061751A1 FR 1750174 A FR1750174 A FR 1750174A FR 1750174 A FR1750174 A FR 1750174A FR 3061751 A1 FR3061751 A1 FR 3061751A1
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- bar
- lever
- torsion
- block
- torsion bar
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/063—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs with bars or tubes used as torsional elements
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
- Vehicle Body Suspensions (AREA)
- Seats For Vehicles (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
L'invention concerne un dispositif assouplisseur et stabilisateur destiné à être disposé entre deux éléments (A, B) présentant une section circulaire, un élément étant susceptible de créer des vibrations et l'autre étant susceptible de vibrer sous l'influence du premier, le dispositif comprenant un ensemble de N bloc(s) (B1,..., BN) de torsion, chaque bloc comprenant une barre (10, 10') de torsion, un levier central (11) disposé au centre de la barre (10), un premier levier (12) situé à une première extrémité de la barre et un second levier (13) situé à une seconde extrémité de la barre.The invention relates to a softening and stabilizing device intended to be disposed between two elements (A, B) having a circular section, one element being able to create vibrations and the other being able to vibrate under the influence of the first, the device comprising a set of N torsion block (s) (B1, ..., BN), each block comprising a torsion bar (10, 10 '), a central lever (11) arranged at the center of the bar (10) ), a first lever (12) at a first end of the bar and a second lever (13) at a second end of the bar.
Description
(® Mandataire(s) : REGIMBEAU.(® Agent (s): REGIMBEAU.
® DISPOSITIF ASSOUPLISSEUR CIRCULAIRE FONDE SUR UN CONCEPT A BARRE DE TORSION.® CIRCULAR SOFTENER DEVICE BASED ON A TORSION BAR CONCEPT.
FR 3 061 751 - A1 (57) L'invention concerne un dispositif assouplisseur et stabilisateur destiné à être disposé entre deux éléments (A, B) présentant une section circulaire, un élément étant susceptible de créer des vibrations et l'autre étant susceptible de vibrer sous l'influence du premier, le dispositif comprenant un ensemble de N bloc(s) (B1,..., BN) de torsion, chaque bloc comprenant une barre (10, 10') de torsion, un levier central (11 ) disposé au centre de la barre (10), un premier levier (12) situé à une première extrémité de la barre et un second levier (13) situé à une seconde extrémité de la barre.FR 3,061,751 - A1 (57) The invention relates to a softener and stabilizer device intended to be arranged between two elements (A, B) having a circular section, one element being capable of creating vibrations and the other being capable of vibrate under the influence of the first, the device comprising a set of N torsion block (s) (B1, ..., BN), each block comprising a torsion bar (10, 10 ′), a central lever (11 ) arranged in the center of the bar (10), a first lever (12) located at a first end of the bar and a second lever (13) located at a second end of the bar.
ii
DOMAINE TECHNIQUE GENERAL ET ETAT DE LA TECHNIQUEGENERAL TECHNICAL AREA AND STATE OF THE ART
L'invention concerne un dispositif visant à découpler dynamiquement deux éléments présentant une section circulaire, un élément étant susceptible de créer des vibrations et l'autre étant susceptible de vibrer sous l'influence du premier.The invention relates to a device for dynamically decoupling two elements having a circular section, one element being capable of creating vibrations and the other being capable of vibrating under the influence of the first.
L'invention trouve notamment application au sein d'un lanceur spatial pour découpler dynamiquement des étages inférieurs du lanceur qui génèrent des excitations et provoquent des réponses vibratoires en partie supérieure.The invention finds particular application within a space launcher to dynamically decouple lower stages of the launcher which generate excitations and cause vibrational responses in the upper part.
Comme le montre la figure 1, on connaît des lanceurs spatiaux pour le transport d'une charge utile telle qu'un satellite.As shown in FIG. 1, space launchers are known for transporting a payload such as a satellite.
Pour l'envoi de la charge utile dans l'espace et sa mise sur orbite, le lanceur comprend classiquement plusieurs étages :For sending the payload into space and putting it into orbit, the launcher conventionally comprises several stages:
- un étage 1 de propulsion comprenant un propulseur central à propergol solide 210 (potentiellement plusieurs propulseurs d'appoint à propergol solide 220) ;a propulsion stage 1 comprising a central propellant with solid propellant 210 (potentially several booster propellants with solid propellant 220);
- une jupe 2 assurant la liaison entre l'étage 1 et l'étage 3 ;- a skirt 2 ensuring the connection between stage 1 and stage 3;
- un étage 3 de propulsion à propergol liquide ;- a stage 3 of liquid propellant propulsion;
une coiffe 4 comprenant en son sein le satellite.a cap 4 comprising within it the satellite.
Un problème est qu'au cours du lancement, les propulseurs 210 et/ou les propulseurs 220 génèrent des excitations qui font vibrer l'ensemble du lanceur et notamment l'étage 3 ainsi que les charges utiles. Ceci peut nuire à l'environnement charge utile.One problem is that during launch, the thrusters 210 and / or the thrusters 220 generate excitations which vibrate the whole of the launcher and in particular the stage 3 as well as the payloads. This can harm the payload environment.
PRESENTATION DE L'INVENTION L'invention propose de limiter les effets des excitations générées au cours du lancement.PRESENTATION OF THE INVENTION The invention proposes to limit the effects of the excitations generated during the launch.
A cet effet, l'invention propose un dispositif assouplisseur et stabilisateur destiné à être disposé entre deux éléments présentant une section circulaire, un élément étant susceptible de créer des vibrations et l'autre étant susceptible de vibrer sous l'influence du premier, le dispositif comprenant un ensemble de N bloc(s) de torsion, chaque bloc comprenant une barre de torsion, un levier central disposé au centre de la barre, un premier levier situé à une première extrémité de la barre et un second levier situé à une seconde extrémité de la barre.To this end, the invention provides a softener and stabilizer device intended to be disposed between two elements having a circular section, one element being capable of creating vibrations and the other being capable of vibrating under the influence of the first, the device comprising a set of N torsion block (s), each block comprising a torsion bar, a central lever disposed in the center of the bar, a first lever located at a first end of the bar and a second lever located at a second end from the bar.
L'invention est avantageusement complétée par les caractéristiques suivantes, prises seules ou en une quelconque de leur combinaison techniquement possible.The invention is advantageously supplemented by the following characteristics, taken alone or in any of their technically possible combinations.
Le levier central est fixé à la barre au moyen d'une liaison rigide.The central lever is fixed to the bar by means of a rigid link.
Le premier et le second levier sont fixés à la barre au moyen d'une liaison rigide.The first and second lever are fixed to the bar by means of a rigid connection.
Les blocs de torsions sont agencés de telle sorte qu'ils forment un anneau circulaire formant anneau de torsion sur lequel sont définies des portions d'anneau chaque portion correspondant à un bloc de torsion.The torsion blocks are arranged in such a way that they form a circular ring forming a torsion ring on which ring portions are defined, each portion corresponding to a torsion block.
La barre de torsion est métallique.The torsion bar is metallic.
Le levier central, le premier levier et le second levier sont métalliques.The central lever, the first lever and the second lever are metallic.
L'invention concerne également un lanceur spatial comprenant un étage de propulsion solide et un étage supérieur séparés par une jupe, le lanceur comprenant en outre un dispositif selon l'invention, ledit dispositif étant disposé au sein de la jupe.The invention also relates to a space launcher comprising a solid propulsion stage and an upper stage separated by a skirt, the launcher further comprising a device according to the invention, said device being disposed within the skirt.
L'intérêt d'une barre de torsion circulaire est qu'elle permet un contrôle précis de la souplesse en jouant sur plusieurs paramètres (longueur et nombre de leviers, longueur de la barre de torsion, rayon de la barre de torsion continue, section de la barre de torsion, matériaux), que le système est entièrement métallique et qu'il stabilise l'assemblage.The advantage of a circular torsion bar is that it allows precise flexibility control by playing on several parameters (length and number of levers, length of the torsion bar, radius of the continuous torsion bar, cross section the torsion bar, materials), that the system is entirely metallic and that it stabilizes the assembly.
Le dispositif permet d'intégrer une fonction dissipative/étanchéité en parallèle.The device makes it possible to integrate a dissipative / sealing function in parallel.
Dans le cadre d'une application à un lanceur spatial, le dispositif assouplisseur présente l'intérêt de découpler dynamiquement les étages générant des excitations des autres étages.In the context of an application to a space launcher, the softening device has the advantage of dynamically decoupling the stages generating excitations from the other stages.
PRESENTATION DES FIGURESPRESENTATION OF THE FIGURES
D'autres caractéristiques, buts et avantages de l'invention ressortiront de la description qui suit, qui est purement illustrative et non limitative, et qui doit être lue en regard des dessins annexés sur lesquels outre la figure 1 déjà discutée :Other characteristics, objects and advantages of the invention will emerge from the description which follows, which is purely illustrative and not limiting, and which should be read with reference to the appended drawings in which, in addition to FIG. 1 already discussed:
- la figure 2 illustre un dispositif assouplisseur selon l'invention ;- Figure 2 illustrates a softener device according to the invention;
- la figure 3 illustre une vue de face d'un bloc de torsion d'un dispositif assouplisseur selon un mode de réalisation de l'invention ;- Figure 3 illustrates a front view of a torsion block of a softener device according to an embodiment of the invention;
- la figure 4 illustre une vue en perspective d'un bloc de torsion d'un dispositif assouplisseur selon un mode de réalisation de l'invention ;- Figure 4 illustrates a perspective view of a torsion block of a softener device according to an embodiment of the invention;
- les figures 5 et 6 illustrent des vues d'un dispositif assouplisseur selon un mode de réalisation de l'invention.- Figures 5 and 6 illustrate views of a softener device according to one embodiment of the invention.
Sur l'ensemble des figures les éléments similaires portent des références identiques.In all of the figures, similar elements bear identical references.
DESCRIPTION DETAILLEE DE L'INVENTIONDETAILED DESCRIPTION OF THE INVENTION
En se référant à nouveau à la figure 1, pour limiter les effets des vibrations, un dispositif assouplisseur est disposé, de manière non limitative, au sein de la jupe 3 du lanceur entre l'étage 210 de propulsion solide et l'étage 3 de propulsion liquide.Referring again to FIG. 1, to limit the effects of vibrations, a softening device is arranged, without limitation, within the skirt 3 of the launcher between the stage 210 of solid propulsion and the stage 3 of liquid propulsion.
En effet, l'étage 1 de propulsion solide crée des excitations dynamiques qui font vibrer les étages supérieurs et notamment la charge utile logée au sein de la coiffe 4.Indeed, the stage 1 of solid propulsion creates dynamic excitations which make the upper stages vibrate and in particular the payload housed within the cover 4.
Comme cela est visible sur la figure 1, la section de la jupe et la section des étages adjacents sont circulaires.As can be seen in FIG. 1, the section of the skirt and the section of the adjacent stages are circular.
Bien entendu le dispositif assouplisseur peut s'intégrer dans n'importe quel système dès lors qu'il est placé entre deux éléments présentant une section circulaire.Of course, the softener device can be integrated into any system as soon as it is placed between two elements having a circular section.
Un dispositif assouplisseur disposé au sein de la jupe est illustré sur la figure 2.A softener device disposed within the skirt is illustrated in FIG. 2.
Un tel dispositif comprend un ensemble de N bloc(s) de torsion.Such a device comprises a set of N torsion block (s).
Un bloc de torsion est illustré sur les figures 3 et 4, il comprend une barre 10 de torsion, un levier central 11 disposé au centre la barre 10, un premier levier 12 situé à une première extrémité de la barre 10, un second levier 13 situé à une seconde extrémité de la barre 10 (la seconde extrémité étant à l'extrême opposée de la barre 10).A torsion block is illustrated in FIGS. 3 and 4, it comprises a torsion bar 10, a central lever 11 disposed in the center of the bar 10, a first lever 12 situated at a first end of the bar 10, a second lever 13 located at a second end of the bar 10 (the second end being at the opposite end of the bar 10).
La barre 10 est de préférence une barre de torsionThe bar 10 is preferably a torsion bar
Le levier central 11 est relié à un élément A, les premier et second leviers 12 et 13 sont reliés à l'autre élément B, un des deux éléments est susceptible de créer des vibrations tandis que l'autre élément est susceptible de vibrer sous l'influence du premier.The central lever 11 is connected to an element A, the first and second levers 12 and 13 are connected to the other element B, one of the two elements is capable of creating vibrations while the other element is capable of vibrating under the influence of the first.
De manière préférée, les blocs de torsion seront disposés de manière alternée. Pour le premier bloc, le levier central est relié à l'élément qui crée les vibrations tandis que les deux autres leviers sont reliés à l'élément pouvant vibrer sous l'influence de celui qui crée les vibrations. Pour le bloc suivant, le levier central est relié à l'élément pouvant vibrer sous l'influence de celui qui crée les vibrations tandis que les deux autres leviers sont reliés à l'élément qui crée les vibrations (voir figure 2).Preferably, the torsion blocks will be arranged alternately. For the first block, the central lever is connected to the element which creates the vibrations while the other two levers are connected to the element which can vibrate under the influence of the one which creates the vibrations. For the next block, the central lever is connected to the element that can vibrate under the influence of the one that creates the vibrations, while the other two levers are connected to the element that creates the vibrations (see Figure 2).
Le levier central est relié à la barre au moyen d'une liaison du type rigide.The central lever is connected to the bar by means of a rigid type connection.
Les premier et second leviers sont reliés à la barre au moyen d'une liaison du type rigide.The first and second levers are connected to the bar by means of a connection of the rigid type.
Les deux leviers 12 et 13 présentent des dimensions identiques.The two levers 12 and 13 have identical dimensions.
Selon un mode de réalisation illustré sur les figures 5 et 6, plusieurs blocs de torsions sont agencés de telle sorte que les barres forment un anneau continu circulaire formant anneau de torsion sur lequel sont définies des portions d'anneau, chaque portion correspondant à un bloc de torsion.According to an embodiment illustrated in FIGS. 5 and 6, several torsion blocks are arranged such that the bars form a continuous circular ring forming a torsion ring on which ring portions are defined, each portion corresponding to a block of torsion.
L'anneau est, selon ce mode de réalisation, continu à l'inverse d'une configuration ou les barres forment des anneaux discrets.According to this embodiment, the ring is continuous, contrary to a configuration, or the bars form discrete rings.
De manière avantageuse, la barre et/ou les leviers sont métalliques.Advantageously, the bar and / or the levers are metallic.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1750174A FR3061751B1 (en) | 2017-01-09 | 2017-01-09 | CIRCULAR SOFTENER DEVICE BASED ON A TORSION BAR CONCEPT |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1750174A FR3061751B1 (en) | 2017-01-09 | 2017-01-09 | CIRCULAR SOFTENER DEVICE BASED ON A TORSION BAR CONCEPT |
| FR1750174 | 2017-01-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR3061751A1 true FR3061751A1 (en) | 2018-07-13 |
| FR3061751B1 FR3061751B1 (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1750174A Expired - Fee Related FR3061751B1 (en) | 2017-01-09 | 2017-01-09 | CIRCULAR SOFTENER DEVICE BASED ON A TORSION BAR CONCEPT |
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| FR (1) | FR3061751B1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5716042A (en) * | 1996-04-15 | 1998-02-10 | Derviller; Peter Reginald John | Springing means for suspension systems |
| JPH11301599A (en) * | 1998-04-22 | 1999-11-02 | Ishikawajima Harima Heavy Ind Co Ltd | Shock absorbing support mechanism for payload section |
| US20020158181A1 (en) * | 2001-04-27 | 2002-10-31 | Engineered Support Systems, Inc. | Isolation platform assembly for supporting an instrumentation payload |
| JP4211131B2 (en) * | 1999-04-06 | 2009-01-21 | 株式会社Ｉｈｉ | Payload damping mechanism |
-
2017
- 2017-01-09 FR FR1750174A patent/FR3061751B1/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5716042A (en) * | 1996-04-15 | 1998-02-10 | Derviller; Peter Reginald John | Springing means for suspension systems |
| JPH11301599A (en) * | 1998-04-22 | 1999-11-02 | Ishikawajima Harima Heavy Ind Co Ltd | Shock absorbing support mechanism for payload section |
| JP4211131B2 (en) * | 1999-04-06 | 2009-01-21 | 株式会社Ｉｈｉ | Payload damping mechanism |
| US20020158181A1 (en) * | 2001-04-27 | 2002-10-31 | Engineered Support Systems, Inc. | Isolation platform assembly for supporting an instrumentation payload |
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| Publication number | Publication date |
|---|---|
| FR3061751B1 (en) | 2020-01-10 |
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