EP0011045B1 - Safety device for tank vehicles - Google Patents

Safety device for tank vehicles Download PDF

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Publication number
EP0011045B1
EP0011045B1 EP79430018A EP79430018A EP0011045B1 EP 0011045 B1 EP0011045 B1 EP 0011045B1 EP 79430018 A EP79430018 A EP 79430018A EP 79430018 A EP79430018 A EP 79430018A EP 0011045 B1 EP0011045 B1 EP 0011045B1
Authority
EP
European Patent Office
Prior art keywords
vehicle
ground
engagement
moving
member used
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.)
Expired
Application number
EP79430018A
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German (de)
French (fr)
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EP0011045A1 (en
Inventor
Roger Villette
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Individual
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Individual
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Publication date
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Publication of EP0011045A1 publication Critical patent/EP0011045A1/en
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Publication of EP0011045B1 publication Critical patent/EP0011045B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/32—Arrangements of safety or warning devices; Means for preventing unauthorised delivery of liquid
    • B67D7/3218—Arrangements of safety or warning devices; Means for preventing unauthorised delivery of liquid relating to emergency shut-off means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0753—Control by change of position or inertia of system
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/6851—With casing, support, protector or static constructional installations
    • Y10T137/6855—Vehicle
    • Y10T137/6881—Automotive

Definitions

  • the object of the invention relates to a safety device for tank vehicles.
  • a turnbuckle is generally used connected by a peg or lug to the wheel of the vehicle.
  • the device according to the invention eliminates these drawbacks and allows, by a final installation on the vehicle, a simplified commissioning, and of an absolute reliability by the fact that the opening of the valve is only possible after its setting in service and its operation is ensured as soon as the vehicle drives in any direction of travel.
  • It consists of a combination of a vehicle movement detector assembly consisting of an oscillating arm with a telescopic shaft in contact with the ground or with a member used to move the vehicle, mounted on a bearing fixed on one part. static of the vehicle, such as a spar and driving by its oscillation shaft a roller and on the other hand by a transmission assembly actuated by the movement of the roller on a receiving piston, connected to the control of the tank valve .
  • the device is fixed at an external point of the chassis on a static member which is not used for its displacement.
  • the piston is actuated by a lever 4 on which a roller 5 is mounted.
  • This lever 4 also includes two symmetrical stops 6.
  • the center of the roller 5 rotates on the shaft 7, supported by the bearings 8, 9.
  • the shaft 7 is connected at its projecting outer end to a keyed hub secured to a tubular arm 10 in the axis of which slides a telescopic shaft 11 recalled by a spring 12 having its fixed point on the stop 12 'and its point d mobile support on the stop 12 "This sliding shaft is held in extension by the spring 12.
  • a support pad 14 on which is fixed an elastic sole 14 'in contact with the ground or with a member serving to move the vehicle.
  • This assembly in contact with the ground or with a member serving to move the vehicle, is mounted on the articulation forming a ball joint and may include a magnet 15 in the event that it is in contact with a rail or metal surface.
  • This telescopic arm 10 is placed perpendicular to the beam or chassis when the safety device is put in place, and folded back when the operations for emptying or filling the tank are completed.
  • a lock 17 fig 3 automatically immobilizes the arm 10 relative to the chassis of the vehicle in its rest position and prevents any movement when the vehicle is started or stopped.
  • a spacer 19 fixed to the base of the piston 2 connects the cable 18 passing through the cover 20 which forms the fixed point of the spring 3.
  • the cable 18 slides in a sheath 21 and its opposite end 18 ′ is connected to a stirrup 22.
  • the sheath is stabilized at each of its ends by a stop 23, 24.
  • This transmission is actuated by the movement of the roller 5 driven by the shaft 7 and the arm 10 when the vehicle accidentally moves.
  • the circular arc described by the roller moves the piston 2 in the vertical plane.
  • the latter transmits by the cable 18, the movement to the stirrup 22 which ensures the automatic closing of the valve by the locking device which actuates the closing and the opening.
  • the valve locking When the arm 10 is raised, the valve locking is kept closed, it can only open when the shaft 11 perpendicularly contacts the ground or a member used to move the vehicle.
  • the transmission can be hydraulic, magnetic, or pneumatic, or electro-magnetic or mechanical.
  • the device is characterized by the movement imparted by the movement of the vehicle with the arm contacting the ground or a member serving to move the vehicle, in a position perpendicular to its fulcrum.
  • This translation in an arc transmitted by a roller to the receiving member, allows the movement of the piston to be used to, with a stroke of a few centimeters, actuate valve locking.
  • the arm can be brought into contact with a wheel by application to a peripheral point in order to allow a reduced bulk and greater ease of maneuver. In this case we can remove the counterweight and the lock.

Description

L'objet de l'invention concerne un dispositif de sécurité pour véhicules citernes.The object of the invention relates to a safety device for tank vehicles.

Il est destiné à assurer automatiquement la fermeture des vannes des citernes dans le cas où au cours des opérations de remplissage ou de vidange, le véhicule effectuerait un déplacement accidentel.It is intended to automatically close the tank valves in the event that during filling or emptying operations, the vehicle makes an accidental movement.

Dans les dispositifs connus de ce genre, on utilisait généralement un ridoir relié par un piton ou ergot à la roue du véhicule. Un câble fixé d'une part à la boîte du ridoir et d'autre part au dispositif de fermeture des vannes, assurait le fermeture lorsque la roue effectueait un mouvement de rotation. Ces dispositifs susceptibles de détérioration et malgré la simpticité de leur fonctionnement ne présentaient pas une fiabilité suffisante par leur facilité de neutralisation.In known devices of this kind, a turnbuckle is generally used connected by a peg or lug to the wheel of the vehicle. A cable fixed on the one hand to the turnbuckle box and on the other hand to the valve closing device, ensured the closing when the wheel made a rotational movement. These devices liable to deterioration and despite the simplicity of their operation did not have sufficient reliability by their ease of neutralization.

Le dispositif suivant l'invention supprime ces inconvénient et permet par une installation définitive sur le véhicule, une mise en service simplifiée, et d'une fiabilité absolue par le fait que l'ouverture de la vanne n'est possible qu'après sa mise en service et que son fonctionnement est assuré dès que le véhicule effectue une translation dans n'importe quel sens de marche. Il est constitué par la combinaison d'une part d'un ensemble détecteur du déplacement du véhicule constitué par un bras oscillant avec arbre télescopique de contact avec le sol ou avec un organe servant à mouvoir le véhicule, monté sur un palier fixé sur une partie statique du véhicule, tel un longeron et entrain- ant par son arbre d'oscillation un galet et d'autre part par un ensemble de transmission actionné par le déplacement du galet sur un piston récepteur, relié à la commande de la vanne de la citerne.The device according to the invention eliminates these drawbacks and allows, by a final installation on the vehicle, a simplified commissioning, and of an absolute reliability by the fact that the opening of the valve is only possible after its setting in service and its operation is ensured as soon as the vehicle drives in any direction of travel. It consists of a combination of a vehicle movement detector assembly consisting of an oscillating arm with a telescopic shaft in contact with the ground or with a member used to move the vehicle, mounted on a bearing fixed on one part. static of the vehicle, such as a spar and driving by its oscillation shaft a roller and on the other hand by a transmission assembly actuated by the movement of the roller on a receiving piston, connected to the control of the tank valve .

Sur les dessins annexés donnés à titre d'exemple non limitatif d'une des formes de réalisation de l'objet de l'invention:

  • Les figures 1 et 2 représentent l'ensemble du dispositif détecteur vu en élévation et en coupe longitudinale et transversale; la figure 3 montre le détail constructif à une échelle différente, le verrouillage du bras de détection; la figure 4 est une vue en coupe du dispositif de transmission de la commande de verrouillage.
In the appended drawings given by way of nonlimiting example of one of the embodiments of the subject of the invention:
  • Figures 1 and 2 show the entire detector device seen in elevation and in longitudinal and transverse section; Figure 3 shows the construction detail on a different scale, the locking of the detection arm; Figure 4 is a sectional view of the transmission device of the locking command.

Le dispositif se fixe en un point extérieur du chassis sur un organe statique qui ne sert pas à son déplacement.The device is fixed at an external point of the chassis on a static member which is not used for its displacement.

Il est constitué, fig 1 à 4, par un carter ou corps alésé 1, dans lequel coulisse un piston 2 rappelé par un ressort 3.It is constituted, fig 1 to 4, by a housing or bored body 1, in which slides a piston 2 returned by a spring 3.

Le piston est actionné par un levier 4 sur lequel est monté un galet 5. Ce levier 4 comporte également deux butées symétriques 6. Le centre du galet 5 effectue une rotation sur l'arbre 7, supporté par les paliers 8, 9.The piston is actuated by a lever 4 on which a roller 5 is mounted. This lever 4 also includes two symmetrical stops 6. The center of the roller 5 rotates on the shaft 7, supported by the bearings 8, 9.

L'arbre 7 est relié à son extrémité extérieure débordante à un moyeu claveté solidaire d'un bras tubulaire 10 dans l'axe duquel coulisse un arbre télescopique 11 rappelé par un ressort 12 ayant son point fixe sur la butée 12' et son point d'appui mobile sur la butée 12" Cet arbre coulissant est maintenu en extension par le ressort 12.The shaft 7 is connected at its projecting outer end to a keyed hub secured to a tubular arm 10 in the axis of which slides a telescopic shaft 11 recalled by a spring 12 having its fixed point on the stop 12 'and its point d mobile support on the stop 12 "This sliding shaft is held in extension by the spring 12.

Son extrémité inférieure est munie d'un patin d'appui 14 sur lequel est fixée une semelle élastique de contact 14' avec le sol ou avec un organe servant à mouvoir le véhicule.Its lower end is provided with a support pad 14 on which is fixed an elastic sole 14 'in contact with the ground or with a member serving to move the vehicle.

Cet ensemble en contact avec le sol ou avec un organe servant à mouvoir le véhicule, est monté sur l'articulation formant rotule et peut comporter un aimant 15 dans le cas où il serait en contact avec un rail ou surface métallique.This assembly in contact with the ground or with a member serving to move the vehicle, is mounted on the articulation forming a ball joint and may include a magnet 15 in the event that it is in contact with a rail or metal surface.

Son extrémité supérieure comporte un contre-poids 16, afin de soulager le rappel du piston et sa manoeuvre.Its upper end has a counterweight 16, in order to relieve the return of the piston and its operation.

Ce bras télescopique 10 est placé perpendiculairement au longeron ou chassis lors de la mise en place du dispositif de sécurité, et replié lorsque les opérations de vidange ou remplissage de la citerne sont terminées.This telescopic arm 10 is placed perpendicular to the beam or chassis when the safety device is put in place, and folded back when the operations for emptying or filling the tank are completed.

Les vannes ne peuvent être ouvertes que si le dispositif de sécurité est mis en place. Un verrou 17 fig 3, immobilise automatiquement le bras 10 par rapport au chassis du véhicule dans sa position de repos et empêche tout mouvement lors de la marche ou l'arrêt du véhicule.The valves can only be opened if the safety device is in place. A lock 17 fig 3, automatically immobilizes the arm 10 relative to the chassis of the vehicle in its rest position and prevents any movement when the vehicle is started or stopped.

Une entretoise 19 fixée à la base du piston 2 relie le câble 18 traversant le couvercle 20 qui forme le point fixe du ressort 3.A spacer 19 fixed to the base of the piston 2 connects the cable 18 passing through the cover 20 which forms the fixed point of the spring 3.

Le câble 18 coulisse dans une gaine 21 et son extrémité opposée 18' est reliée à un étrier 22. La gaine est stabilisée à chacune de ses extrémités par une butée 23, 24.The cable 18 slides in a sheath 21 and its opposite end 18 ′ is connected to a stirrup 22. The sheath is stabilized at each of its ends by a stop 23, 24.

Cette transmission est actionnée par le déplacement du galet 5 entrainé par l'arbre 7 et le bras 10 lorsque le véhicule se déplace accidentellement.This transmission is actuated by the movement of the roller 5 driven by the shaft 7 and the arm 10 when the vehicle accidentally moves.

L'arc de cercle décrit par le galet déplace le piston 2 dans le plan vertical. Ce dernier transmet par le câble 18, le mouvement à l'étrier 22 qui assure la fermeture automatique de la vanne par le dispositif de verrouillage qui actionne la fermeture et l'ouverture.The circular arc described by the roller moves the piston 2 in the vertical plane. The latter transmits by the cable 18, the movement to the stirrup 22 which ensures the automatic closing of the valve by the locking device which actuates the closing and the opening.

Lorsque le bras 10 est relevé, le verrouillage de la vanne est maintenu fermé, il ne peut s'ouvrir que lorsque l'arbre 11 contacte perpendiculairement le sol ou un organe servant à mouvoir le véhicule.When the arm 10 is raised, the valve locking is kept closed, it can only open when the shaft 11 perpendicularly contacts the ground or a member used to move the vehicle.

Partant du mouvement imprimé par le galet 5 sur un organe récepteur, la transmission peut être hydraulique, magnétique, ou pneumatic, ou électro-magnétique ou mécanique.Starting from the movement imparted by the roller 5 on a receiving member, the transmission can be hydraulic, magnetic, or pneumatic, or electro-magnetic or mechanical.

Le dispositif se caractérise par le mouvement imprimé par le déplacement du véhicule au bras contactant le sol ou un organe servant à mouvoir le véhicule, dans une position perpendiculaire à son point d'appui.The device is characterized by the movement imparted by the movement of the vehicle with the arm contacting the ground or a member serving to move the vehicle, in a position perpendicular to its fulcrum.

Cette translation en arc de cercle transmis par un galet à l'organe récepteur, permet d'utiliser le mouvement du piston pour, avec une course de quelques centimètres, actionner le verrouillage de la vanne.This translation in an arc transmitted by a roller to the receiving member, allows the movement of the piston to be used to, with a stroke of a few centimeters, actuate valve locking.

Toutefois les formes, dimensions et dispositions des différents éléments pourront varier dans la limite des équivalents comme d'ailleurs les matières utilisées pour leur fabrication, sans changer pour celà la conception générale de l'invention qui vient d'être décrit.However, the shapes, dimensions and arrangements of the various elements may vary within the limit of the equivalents, as moreover the materials used for their manufacture, without thereby changing the general design of the invention which has just been described.

C'est ainsi que le bras peut être mis en contact avec une roue par application sur un point périphérique afin de permettre un encombrement réduit et une plus grande facilité de manoeuvre. En ce cas on peut supprimer le contre-poids et le verrou.Thus, the arm can be brought into contact with a wheel by application to a peripheral point in order to allow a reduced bulk and greater ease of maneuver. In this case we can remove the counterweight and the lock.

Claims (6)

1. A safety device for a tank vehicle adapted for providing automatically the closing of the gates of the tanks for the case where, during the emptying or filling operations, the vehicle should accidentally move while the operation of the gates is possible only if the safety device is in place, characterized by the combination of a sensing unit of the displacement of the vehicle having an oscillating arm (10) in perpendicular engagement with the ground or the contact surface such as a member used for moving the vehicle, and a receiving unit operating the control of the gate.
.2. A device according to claim 1, wherein the sensing device is made of a casing (1) mounted on a fixed portion of the body of the vehicle in which slides a piston (2) returned by a spring (3) operated by a lever (4) on which is mounted a roller (5).
3. A device according to claim 1, wherein the lever (4) which is provided with two symmetrical abutments (6) is driven by a shaft (7) rotating in all directions in its bearings (8, 9) and the outer end of which is connected to a tubular arm (10) in which slides a telescopic shaft (11) for engagement with the ground or contact surface, such as a member used for moving the vehicle, maintained in extension by a return spring.
4. A device according to claim 1, wherein the telescopic shaft (11) which is sliding parallel to the frame or chassis of the vehicle in its stopped position and perpendicular in its safety position is provided, at its engagement end with the ground or the contact surface such as a member used for moving the vehicle, with an articulate pad (14) comprising a magnet (15) and a resilient sole (14') for engagement with the ground or with the member used for moving the vehicle.
5. A device according to claim 1, wherein the tubular piston engaged by the translation movement detecting roller is rigidly connected to a brace (19) maintaining the end of a cable (18) extending through the rigid cover (20) but sliding along a flexible sleeve (21) and connected at its end (18') with a stirrup (22) controlling the locking device of the tank gate.
6. A device according to claim 1, wherein the sleeve (21) in which slides the cable (18) is provided at each of its ends with an adjustable abutment (23, 24), one of which being fixed in the casing cover and the other in the support mounted at the opposite end of the sleeve.
EP79430018A 1978-10-27 1979-10-10 Safety device for tank vehicles Expired EP0011045B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7831262 1978-10-27
FR7831262A FR2439923A1 (en) 1978-10-27 1978-10-27 SAFETY DEVICE FOR TANK VEHICLES

Publications (2)

Publication Number Publication Date
EP0011045A1 EP0011045A1 (en) 1980-05-14
EP0011045B1 true EP0011045B1 (en) 1981-10-14

Family

ID=9214483

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79430018A Expired EP0011045B1 (en) 1978-10-27 1979-10-10 Safety device for tank vehicles

Country Status (4)

Country Link
US (1) US4304274A (en)
EP (1) EP0011045B1 (en)
DE (1) DE2961025D1 (en)
FR (1) FR2439923A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2617827B1 (en) * 1987-07-08 1989-12-01 Arbel Fauvet Rail Sa DEVICE FOR AUTOMATICALLY CONTROLLING AT LEAST ONE SAFETY DEVICE
DE8902944U1 (en) * 1989-03-10 1989-06-29 Basf Ag, 6700 Ludwigshafen, De
DE19924120C2 (en) * 1999-05-26 2002-06-20 Infraserv Gmbh & Co Hoechst Kg Safety device, especially for rail tank cars or tanker trucks

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2847023A (en) * 1955-08-03 1958-08-12 Equipment Mfg Company Inc Means to prevent operation of a truck while a tank thereon is in fluid communication with another tank
US4024897A (en) * 1975-09-18 1977-05-24 Allied Chemical Corporation Fail-safe interlock system
US4099551A (en) * 1976-07-23 1978-07-11 Golconda Corporation Thermal-manual control valve

Also Published As

Publication number Publication date
FR2439923A1 (en) 1980-05-23
FR2439923B1 (en) 1981-04-10
US4304274A (en) 1981-12-08
EP0011045A1 (en) 1980-05-14
DE2961025D1 (en) 1981-12-24

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