FR3001200A1 - Umbilical arm for connecting umbilical mast and rocket to refuel rocket, has rod supported on receptacle placed on rocket, so that rocket is pushed toward top for vertical swiveling of arm when rocket is in vertical takeoff movement - Google Patents

Umbilical arm for connecting umbilical mast and rocket to refuel rocket, has rod supported on receptacle placed on rocket, so that rocket is pushed toward top for vertical swiveling of arm when rocket is in vertical takeoff movement Download PDF

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Publication number
FR3001200A1
FR3001200A1 FR1300108A FR1300108A FR3001200A1 FR 3001200 A1 FR3001200 A1 FR 3001200A1 FR 1300108 A FR1300108 A FR 1300108A FR 1300108 A FR1300108 A FR 1300108A FR 3001200 A1 FR3001200 A1 FR 3001200A1
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FR
France
Prior art keywords
rocket
arm
umbilical
vertical
mast
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.)
Withdrawn
Application number
FR1300108A
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French (fr)
Inventor
Bernard Amalric
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.)
Latecoere SA
Original Assignee
Latecoere SA
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.)
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Publication date
Application filed by Latecoere SA filed Critical Latecoere SA
Priority to FR1300108A priority Critical patent/FR3001200A1/en
Publication of FR3001200A1 publication Critical patent/FR3001200A1/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64GCOSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
    • B64G5/00Ground equipment for vehicles, e.g. starting towers, fuelling arrangements

Abstract

The arm (3) has a connecting rod i.e. catapulting rod, at its front end. The rod is supported on a receptacle (9) placed on a rocket (1), so that the rocket is pushed toward top for causing vertical swiveling of the arm by providing a kinetic rotation impulse when the rocket is in vertical takeoff movement after the rocket is fired. A counterweight (12) is placed in its rear part, so that center of gravity of mass of arm assembly and the counterweight is initially located in front of pivoting axis of the arm to create a mechanical conjugation phase between the arm and the rocket.

Description

BRAS D'AVITAILLEMENT OMBILICAL DE FUSEE DONT LE DISPOSITIF DE RETRAIT EST CONJUGUE AU MOUVEMENT DE DECOLLAGE DE LADITE FUSEE La présente invention concerne un bras supportant des lignes ombilicales reliant le mât ombilical et la fusée sur sa zone de lancement, séparable après initialisation du décollage c'est-à-dire en temps positif. Le mouvement de retrait du bras vers son mât dans ce cas est mécaniquement conjugué avec celui du déplacement vertical de la fusée.The present invention relates to an arm supporting umbilical lines connecting the umbilical mast and the rocket on its launching zone, separable after initialization of the take-off. FIGS. that is to say in positive time. The movement of withdrawal of the arm towards its mast in this case is mechanically conjugated with that of the vertical displacement of the rocket.

La disposition du bras lors de sa phase d'attente est volontairement pré inclinée vers le haut. Cette disposition offre deux avantages : l'amplitude angulaire de retrait du bras est diminuée par rapport à une disposition horizontale et lors de la vidange des ombilicaux, l'écoulement ses fluides s'effectue naturellement par gravité. On rappelle que la fonction principale d'un bras d'avitaillement ombilical, sur une base de lancement de fusées, est de supporter les lignes ombilicales d'acheminement de fluides ou de courants électriques qui relient le mât ombilical (sol) à la fusée (bord) situés en vis-à-vis, et de pouvoir retirer ces dernières, se dégageant ainsi de la fusée et de son cône de déboitement pendant son ascension.The disposition of the arm during its waiting phase is voluntarily pre-inclined upwards. This arrangement offers two advantages: the angular range of withdrawal of the arm is reduced relative to a horizontal disposition and during the emptying of the umbilicals, the flow its fluids is carried out naturally by gravity. It is recalled that the main function of an umbilical supply arm, on a rocket launching basis, is to support the umbilical lines for conveying fluids or electric currents that connect the umbilical mast (ground) to the rocket ( edge), and to be able to remove these, thus clearing the rocket and its cone of dislocation during its ascent.

Les systèmes de bras mécaniques d'avitaillement ombilicaux connus sur les pas de tir de fusée, supportant les lignes ombilicales et en particulier celles assurant le remplissage en ergols des étages supérieurs, sont préalablement séparés de la fusée avant sa mise à feu c'est à dire lors de la phase du compte à rebours. On parle dans ce cas de séparation de bras en « temps négatif ».The mechanical umbilical supply arm systems known on the rocket launching steps, supporting the umbilical lines and in particular those ensuring the filling of the upper stages with propellants, are previously separated from the rocket before it is fired. say during the countdown phase. In this case, we speak of arm separation in "negative time".

Dans le cadre de la présente invention, la séparation du bras s'effectue alors que la fusée a préalablement amorcé son déplacement vertical, c'est-à-dire après la phase du compte à rebours, on parle alors de séparation en « temps positif ». La difficulté principale dans cette configuration est alors beaucoup plus critique puisque la fusée étant en mouvement, il faut veiller à éviter tout risque de collision entre bras et fusée.In the context of the present invention, the separation of the arm takes place while the rocket has previously initiated its vertical movement, that is to say after the countdown phase, it is called separation in "positive time" ". The main difficulty in this configuration is then much more critical since the rocket is moving, care must be taken to avoid any risk of collision between arm and rocket.

La présente invention permet de satisfaire de façon très simple cette exigence sécuritaire, qui est d'éviter toute collision du bras avec la fusée lors de son retrait, grâce à un dispositif permettant de réaliser une conjugaison mécanique du déplacement vertical de la fusée avec celui du retrait du bras ombilical. D'autres fonctions sont généralement implémentées sur les bras ombilicaux, en particulier l'implémentation de dispositifs de déconnexions de l'ensemble des liaisons ombilicales. Néanmoins, la présente invention se limite exclusivement à la fonction principale du retrait du bras.The present invention makes it possible to satisfy in a very simple manner this safety requirement, which is to avoid any collision of the arm with the rocket during its withdrawal, thanks to a device making it possible to carry out a mechanical combination of the vertical displacement of the rocket with that of the removal of the umbilical arm. Other functions are generally implemented on the umbilical arms, in particular the implementation of disconnect devices of all the umbilical links. Nevertheless, the present invention is limited exclusively to the main function of arm removal.

DESCRIPTION TECHNIQUE Trois figures illustrent la présente invention de ce bras ombilical d'avitaillement de la fusée muni du dispositif de retrait alors que celle-ci a déjà amorcé son mouvement 15 ascensionnel: - La Fig.1 montre le bras ombilical reliant le mât ombilical et la fusée en phase avant lancement, c'est-à-dire lorsque l'ensemble des liaisons ombilicales supportées par ce bras sont connectées à la fusée. - La Fig.2 montre le bras ombilical à l'instant de sa séparation physique de la 20 fusée, alors que celle-ci est en pleine ascension après son décollage. - La Fig.3 montre le bras ombilical complètement rétracté dans le mât ombilical (fin de séquence de retrait du bras ombilical). De façon plus détaillée on peut voir sur la Fig.1 : 25 - Le bras ombilical 1 implanté sur le mât ombilical appelé également tour ombilicale 2 - Le dispositif de déconnexion des liaisons ombilicales 4 situé en partie frontale du bras à proximité de la fusée 1 - L'ensemble des liaisons ombilicales 5 connectées d'un coté à la fusée (Bord), cheminant à l'intérieur du bras et se raccordant aux liaisons (sol) situées dans la tour ombilicale 2. - La bielle 7, dite bielle de catapultage, qui s'appuie sur le réceptacle 9 disposé sur la fusée, qui est reliée sur la structure du bras en sa partie inférieure avant. - Le contrepoids 12 situé à l'arrière du bras Le bras est constitué essentiellement d'une poutre résistante et rigide 3 pour supporter l'ensemble des ombilicaux 5, les efforts aérodynamiques ainsi que les efforts dynamiques en phase de retrait et d'accostage sur la tour. Cette poutre est articulée en partie arrière, au niveau de la structure de la tour ombilicale 2 par un axe de pivotement horizontal 11. Le mouvement mécanique du bras est donc une rotation vers le haut. La disposition du bras lors de sa phase d'attente est volontairement pré inclinée vers le haut. Cette disposition offre deux avantages : l'amplitude angulaire de retrait du bras est diminuée par rapport à une disposition horizontale, et lors de la vidange des ombilicaux, l'écoulement ses fluides s'effectue naturellement par gravité. En partie frontale du bras, en vis-à-vis de la fusée, est fixé un berceau 4 qui intègre le ou les dispositifs de déconnexion des ombilicaux. Coté « sol », la bielle 7 est articulée en partie inférieure avant du bras par une rotule 8 20 autorisant ainsi des mouvements relatifs entre fusée et bras lors de la phase avant le lancement (tassement de la fusée lors de son remplissage, déplacements induits par effets du vent, déplacements induits lors des essais de fonctionnement des tuyères...). Coté « bord » la bielle s'appuie sur un réceptacle 9 situé en contrebas sur la fusée. L'appui est de type rotule 10 de sorte que la bielle soit toujours maintenue centrée dans son 25 réceptacle, ne pouvant pas s'échapper latéralement. La réalisation de cette liaison rotule, peut être indifféremment mâle coté bord et femelle coté bielle ou inversement femelle coté bord et mâle coté bielle. Le contrepoids 12 est tel qu'en au cours de la cinématique de retrait, les conditions suivantes sont respectées: - En phase d'attente sur la fusée, le centre de gravité de la masse de l'ensemble bras équipé de son chargement et du contrepoids, est situé à l'avant de l'axe de pivotement du bras 11 assurant ainsi un appui vers le bas de la bielle 7 sur le réceptacle 9 de la fusée. - Lorsque la fusée s'élève, elle repousse la bielle vers le haut, laquelle entraine également le bras l'obligeant à pivoter vers l'arrière, cette phase se prolonge jusqu'à ce que la bielle, dont l'angle relatif par rapport à la face avant du lanceur augmente progressivement jusqu'à devenir horizontale, décolle naturellement de son réceptacle. Dans cette position, le centre de gravité de la masse de l'ensemble se situe au voisinage de la verticale de l'axe de pivotement. - Passé cette position, la fusée, par le biais de la bielle a ainsi induit une impulsion de moment cinétique au bras (catapultage). Le centre de gravité de la masse de l'ensemble se situe alors à l'arrière du pivot du bras, celui-ci pouvant ainsi se rétracter totalement par effets cinétique et gravitaire combinés. -15 On remarque que l'impulsion cinématique sera d'autant plus importante que la longueur de la bielle 7 le sera également, puisque la durée de la liaison avec le lanceur en accélération sera augmentée et donc implicitement la vitesse de catapultage le sera également.TECHNICAL DESCRIPTION Three figures illustrate the present invention of this umbilical arm for refueling the rocket equipped with the withdrawal device while the latter has already begun its upward movement: FIG. 1 shows the umbilical arm connecting the umbilical mast and the rocket phase before launch, that is to say when all the umbilical links supported by this arm are connected to the rocket. FIG. 2 shows the umbilical arm at the moment of its physical separation from the rocket, while the rocket is in full ascension after take-off. Fig. 3 shows the fully retracted umbilical arm in the umbilical mast (end of the umbilical arm withdrawal sequence). In more detail can be seen in Fig.1: 25 - The umbilical arm 1 implanted on the umbilical mast also called umbilical tower 2 - The device for disconnecting the umbilical links 4 located in the front of the arm near the rocket 1 - The set of umbilical connections 5 connected on one side to the rocket (Edge), running inside the arm and connecting to the links (ground) located in the umbilical tower 2. - The rod 7, called connecting rod catapulting, which is based on the receptacle 9 disposed on the rocket, which is connected to the arm structure at its lower front. - The counterweight 12 located at the rear of the arm The arm consists essentially of a strong and rigid beam 3 to support all the umbilicals 5, the aerodynamic forces and dynamic forces in phase of withdrawal and docking on tower. This beam is hinged at the rear, at the level of the umbilical tower structure 2 by a horizontal pivot axis 11. The mechanical movement of the arm is therefore an upward rotation. The disposition of the arm during its waiting phase is voluntarily pre-inclined upwards. This arrangement has two advantages: the angular range of arm shrinkage is reduced relative to a horizontal disposition, and during the draining of the umbilicals, the flow of fluids occurs naturally by gravity. In the front part of the arm, opposite the rocket, is fixed a cradle 4 which integrates or the umbilical disconnection devices. On the "ground" side, the connecting rod 7 is articulated in the lower part of the front arm by a ball 8 8 thus allowing relative movements between rocket and arm during the phase before launch (compaction of the rocket during its filling, displacements induced by wind effects, displacements induced during nozzle operation tests ...). Side "edge" the rod is based on a receptacle 9 located below on the rocket. The support is ball-type 10 so that the rod is always kept centered in its receptacle, unable to escape laterally. The realization of this connection ball joint, can be indifferently male side edge and female side connecting rod or conversely female side edge and male side connecting rod. The counterweight 12 is such that during the retraction kinematics, the following conditions are met: - In waiting phase on the rocket, the center of gravity of the mass of the arm assembly equipped with its load and the counterweight, is located at the front of the pivot axis of the arm 11 thus ensuring a downward support of the rod 7 on the receptacle 9 of the rocket. - When the rocket rises, it pushes the rod upwards, which also causes the arm causing it to pivot backwards, this phase is extended until the rod, the relative angle to at the front of the launcher gradually increases to become horizontal, naturally takes off from its receptacle. In this position, the center of gravity of the mass of the assembly is in the vicinity of the vertical of the pivot axis. - Past this position, the rocket, through the rod has thus induced a kinetic momentum pulse arm (catapulting). The center of gravity of the mass of the assembly is then at the rear of the pivot of the arm, the latter can thus retract completely by combined kinetic and gravitational effects. It is noted that the kinematic pulse will be all the more important as the length of the connecting rod 7 will be also, since the duration of the connection with the launcher in acceleration will be increased and therefore implicitly the speed of catapulting will be also.

20 On remarque également que le système bi articulé bielle sur bras ainsi réalisé, sans blocage ni verrouillage mécanique vertical, est très tolérant aux dispersions de positionnement relatif altimétrique, entre le « sol » et le « bord ». Ainsi ce système de bras ombilical permet d'avitailler indifféremment plusieurs variantes de fusées d'une même famille dont les altitudes de déconnexion des ombilicaux seraient différentes. 25It will also be noted that the bi-articulated rod-on-arm system thus produced, without blocking or vertical mechanical locking, is very tolerant to relative positioning dispersions between the "ground" and the "edge". Thus this system of umbilical arms can refuel indiscriminately several variants of rockets of the same family whose umbilicals disconnection altitudes would be different. 25

FR1300108A 2013-01-18 2013-01-18 Umbilical arm for connecting umbilical mast and rocket to refuel rocket, has rod supported on receptacle placed on rocket, so that rocket is pushed toward top for vertical swiveling of arm when rocket is in vertical takeoff movement Withdrawn FR3001200A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1300108A FR3001200A1 (en) 2013-01-18 2013-01-18 Umbilical arm for connecting umbilical mast and rocket to refuel rocket, has rod supported on receptacle placed on rocket, so that rocket is pushed toward top for vertical swiveling of arm when rocket is in vertical takeoff movement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1300108A FR3001200A1 (en) 2013-01-18 2013-01-18 Umbilical arm for connecting umbilical mast and rocket to refuel rocket, has rod supported on receptacle placed on rocket, so that rocket is pushed toward top for vertical swiveling of arm when rocket is in vertical takeoff movement

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FR1300108A Withdrawn FR3001200A1 (en) 2013-01-18 2013-01-18 Umbilical arm for connecting umbilical mast and rocket to refuel rocket, has rod supported on receptacle placed on rocket, so that rocket is pushed toward top for vertical swiveling of arm when rocket is in vertical takeoff movement

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160340062A1 (en) * 2014-02-03 2016-11-24 Ruag Schweiz Ag, Ruag Space Cryogenic fuelling system
FR3061894A1 (en) * 2017-01-17 2018-07-20 Latecoere Services LAUNCHER RETRACTABLE FEEDING SYSTEM AND CORRESPONDING RETRIEVAL METHOD
CN112484570A (en) * 2020-12-07 2021-03-12 北京航天发射技术研究所 Arrow-ground connection system and using method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2635500A1 (en) * 1988-08-19 1990-02-23 Martin Marietta Corp UNIVERSAL MOUNTING AND START-UP DEVICE FOR LAUNCHING A SPATIAL VEHICLE
JPH04201700A (en) * 1990-11-30 1992-07-22 Mitsubishi Heavy Ind Ltd Automatic release type tumbling prevention mechanism for rocket
FR2943627A1 (en) * 2009-03-31 2010-10-01 Snecma DEVICE FOR SEPARATING BOTH PARTS OF A LAUNCHER FEEDING MODULE

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2635500A1 (en) * 1988-08-19 1990-02-23 Martin Marietta Corp UNIVERSAL MOUNTING AND START-UP DEVICE FOR LAUNCHING A SPATIAL VEHICLE
JPH04201700A (en) * 1990-11-30 1992-07-22 Mitsubishi Heavy Ind Ltd Automatic release type tumbling prevention mechanism for rocket
FR2943627A1 (en) * 2009-03-31 2010-10-01 Snecma DEVICE FOR SEPARATING BOTH PARTS OF A LAUNCHER FEEDING MODULE

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160340062A1 (en) * 2014-02-03 2016-11-24 Ruag Schweiz Ag, Ruag Space Cryogenic fuelling system
FR3061894A1 (en) * 2017-01-17 2018-07-20 Latecoere Services LAUNCHER RETRACTABLE FEEDING SYSTEM AND CORRESPONDING RETRIEVAL METHOD
CN112484570A (en) * 2020-12-07 2021-03-12 北京航天发射技术研究所 Arrow-ground connection system and using method

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