EP0821109A1 - Engin de génie pour travail en milieu hostile, bouée pour travaux maritimes et poste de commande associé - Google Patents
Engin de génie pour travail en milieu hostile, bouée pour travaux maritimes et poste de commande associé Download PDFInfo
- Publication number
- EP0821109A1 EP0821109A1 EP97401785A EP97401785A EP0821109A1 EP 0821109 A1 EP0821109 A1 EP 0821109A1 EP 97401785 A EP97401785 A EP 97401785A EP 97401785 A EP97401785 A EP 97401785A EP 0821109 A1 EP0821109 A1 EP 0821109A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- machine
- actuators
- buoy
- hostile environment
- sensors
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/2025—Particular purposes of control systems not otherwise provided for
- E02F9/205—Remotely operated machines, e.g. unmanned vehicles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/006—Dredgers or soil-shifting machines for special purposes adapted for working ground under water not otherwise provided for
Definitions
- the present invention relates to the transformation of a public works, allowing coastal works up to a water depth of 100 m.
- Such a device allows the creation of trenches allowing the penetration of pipes or cables in underwater areas.
- the operator of the shovel must not be prone to seasickness or be sensitive to roll and pitch, it must be able to compensate for these phenomena in the perception of the work he performs.
- the first object of the invention is to transform a work machine public allowing work to be carried out in hyperbaric and hostile environments under water to a depth of 100 meters without presenting the disadvantages of the prior art.
- Another advantage of the invention is to allow carry out shore works up to a depth of 100 meters by continuity with the same material.
- the watertight machine equipped with actuators allowing remote control is characterized in that its organs sensitive are waterproof to keep the same capacity under water as on earth, in terms of engineering work, and includes sensors which indicate the position of the different axes making it possible to judge the state of the machine, indicating its direction and position, hydraulic umbilicals and electrics carrying power energy, control orders actuators and the information from the sensors, these umbilicals connecting the machine in the water, and an element on the surface where is the energy generator, as well as the complete or partial management system depending on whether the principle adopted is piloting the machine from a pontoon or of a buoy.
- the energy generator is a motor thermal driving hydraulic pumps.
- the actuators are made watertight at the pressures of the fluids exerted from the outside towards the inside, during the power plant shutdown phases.
- the energy generator is a pump hydraulics and actuators are hydraulic motors or cylinders.
- the generator and the actuators are electric.
- the generator consists of a hydraulic pump for motors and power actuators and a electric generator for other motors or actuators.
- the equipment includes means for radio communication on the one hand for the reception of the signals of control of the various elements of the intermediate equipment, engines and actuators of the craft and secondly for the transmission signals from the machine's sensors.
- the sealing means are constituted double V-shaped seals whose Vs are joined together in two perpendicular directions.
- hertzian means of communication of intermediate equipment communicate with a cockpit.
- the working machine comprises a gyroscope to determine its course and two inclinometers, one for determine the tilt along the x-axis, the other to determine the tilt along the y axis.
- the machine is a hydraulic shovel equipped with a second arm on which tools can be mounted auxiliaries can be brought into the working position by a rotation of the turret 180 ° angle.
- the auxiliary tool is a drilling mast.
- the auxiliary tool consists of a pump.
- the auxiliary tool consists of a shear.
- the auxiliary tool consists of a hydraulic hammer.
- the machine is a bulldozer moved to the ground by tracks and having a blade transverse to its movement and whose height position is defined by two actuators.
- the excavator boom actuators are put in flow control position when the shovel teeth have reached the desired trench depth, so that the operator can dig a trench, the bottom of which remains at the same level.
- Another object of the invention is to define a submersible buoy which constitutes the intermediate equipment ensuring the supply of energy to the machine and the connection with the command post while protecting against the great surges.
- the buoy comprises in a volume cylindrical a first sealed upper compartment communicating with the atmosphere by a chimney closable by at least one valve sealing controlled by a jack and containing means of communication with a control station, and a second compartment in which is arranged a flexible pocket communicating with the first compartment by a supply pipe, said flexible pocket containing the fossil fuel used to power the heat engine placed in the first compartment, this flexible pocket being placed in a compartment which communicates by a lower wall pierced with orifices with the fluid medium in which the buoy floats, the cylindrical envelope of the buoy being provided at its periphery with an inflatable tube allowing a apart from maintaining the buoy at the same level of flotation whatever the level of fuel in the pocket and on the other hand its immersion in case surface danger.
- the buoy includes means for actuation of the actuating cylinder of the sealing valve and means of controlling the inflation and deflation of the outer membrane inflatable to allow total immersion of the buoy or to control its buoyancy level as a function of the levels of the combustible liquid fossil and weather conditions.
- the buoy comprises in addition to the engine thermal an electric generator for charging a battery supply of electronic equipment incorporated in the upper compartment, air conditioning system, pumps hydraulic to supply the actuating fluid to the engine or machine power actuator.
- the electronic circuits include a first programmable controller connected by an interface terminal block: aux sensors delivering information on engine operation and actuators for controlling the internal combustion engine; by the umbilical which provides feedback from the electrical box of measurement of the craft; to the umbilical of hydraulic distributors of the craft; sensors and actuators to control the level flotation of the buoy or its immersion and to modems connected themselves to one or more antennas allowing transmission by a first modem and reception by the other modem.
- a final object of the invention is the use of a buoy submersible intermediate between a cockpit on land and the craft being in the water, the connection between the buoy and the craft being provided by hydraulic and electric umbilicals and in which the link between the buoy and the cockpit is provided by a network over the air.
- a sea can become dangerous in less than an hour.
- the principle of our invention is also based on the makes the buoy submersible. In the case of a rough sea, the buoy is sunk and therefore protected (the sea is not dangerous, in this case, only on the surface). As soon as the sea is calm, the buoy is refloated and the work start again.
- the machine control station connected to an intermediate equipment communicating with the radio wave control is characterized in that the station includes a seat mounted on actuators reproducing the movements inclination along the two axes of the machine and comprising near the driver's seat two three-axis manipulators with safety devices effort feedback linked on the one hand to a second programmable controller, itself connected on the one hand to beam transmission and reception modems radio and secondly by a serial link to a computer system of industrial computer type with keyboard connected to a monitor visualization.
- the device for returning the force from the apparatus consists of pressure sensors arranged on the pump outputs high pressure supplying the machine with energy, said sensors being connected to the first programmable controller of the intermediate equipment, the signals supplied by these sensors emitted by the radio transmission modem then received by the cockpit receiving modem and converted to a supply current of an electromagnet intended to apply a force proportional to the pressure measured at the outlet of the pumps on the ball joint of the manipulator associated with the pressure sensor.
- the monitor screen has several windows managed by the computer program which allows in a first window displaying the direction indicated by the gyroscope, in a second window the representation of the machine and the dimensions of the trench dug by the machine, in a third window the representation the inclination of the machine along the x-axis, in a fourth window the representation of the inclination of the machine along the y-axis and, in a fifth window the representation of the inclination of the bucket teeth of the shovel so as to allow the driver to know the exact position of the bucket at any time, finally a fifth viewing window allows possibly display the images transmitted by a camera mounted on the craft.
- the cockpit computer includes a computer program reconstructing computer generated images representing, from the signals provided by the feedback sensors, movements of the machine and position and tilt sensors the machine, on the one hand the position of the machine and on the other hand the realization of the work performed.
- the automaton installed in the equipment intermediate and used for the control and command of the programmed machine to include sequences of operation of the automated machine for operations such as laying the cuttings near the trench so that the driver is relieved of this task and the backfill thus carried out is always at the same distance from the trench.
- such a sequence is triggered by the user from one of the buttons of a three-axis manipulator and the execution of the sequence is represented on the screen so that the driver can take control at the end of the automated sequence of the manipulator (s).
- the machine control automaton will include for an automated sequence of the excavation deposit a shovel boom lift control; then an order from rotation of the excavator turret by a determined angle followed by a command tilting bucket to dump nearby cuttings of the trench then again a turret rotation control in opposite direction and the same angle determined to then order the shipment to a cockpit signal so that the user can resume manipulator control.
- the program of the automatic the intermediate equipment allows, when the user controls by a of manipulators the movement of the shovel tool arm, to manage automatically turn the turret a half turn to ensure its set up precisely and at the end of use to perform the rotation in the opposite direction so as to avoid a twist greater than half a turn the umbilical.
- FIG. 1 shows a machine (1) for maritime work or under water depth, determined between 0 and 100 m, connected by an umbilical cord (4) supported by floats (5) to intermediate equipment (2).
- the craft (1) can consist either of, as shown in FIG. 2A, a shovel towed by tracks and mounted on a turret (11) equipped with a mono-block boom (12), a pendulum (13) and a bucket (14) and on the other side the turret of a secondary arm (15, 16, 17), or of a bulldozer (1B), shown in Figure 5.
- the bulldozer (1B) consists of a platform crawler mounted and a blade disposed at the end of the platform in front the tracks and mounted on the platform using jacks defining the tilt and height of the blade.
- the secondary arm of the shovel consists of an arm arrow (15) on which an arm pendulum (16) is articulated at the end of which is articulated a second arm balance (17) carrying at its end a arm cup (18) to which equipment or tools can be fixed usable on this arm.
- the type of equipment that can be used on this arm is consisting, for example, of a drilling mast (19) which can be replaced by a pump, shears or a hammer.
- the shovel arrow (12) is positioned by a first actuator (115) and includes a first sensor (111) of copy of arrow movement.
- the tilt of the shovel pendulum (13) is controlled by a second actuator (122) and at the level of the articulation between the shovel boom (12) and the pendulum (13) is placed a second sensor (132) for copying the pendulum movement.
- a second actuator (122) at the level of the articulation between the shovel boom (12) and the pendulum (13) is placed a second sensor (132) for copying the pendulum movement.
- a third actuator (142) and on the axis of articulation between the balance and the bucket (14) is placed a third sensor (143) for copying the bucket movement (14).
- the inclination of the arrow (15) of the second arm is controlled by a first actuator (151) and a first feedback sensor (155) of the arrow movement allows you to know its inclination.
- a second actuator (152) connected on the one hand to the arrow (15) and on the other hand to the first balance (16) determines the inclination of the first balance (16) of the second arm and a second feedback sensor (166) of the movement of the first balance allows to know its position.
- a third actuator (161) connected on the one hand to the second pendulum (17) and on the other hand to the first balance (16) makes it possible to determine the position of a second balance (17) of the second arm and a third sensor (177) makes it possible to know by copies the movement of the second pendulum (17) to its position.
- a tool holder (18) mounted at the end of the second balance (17) is positioned by a fourth actuator (178) and a fourth feedback sensor (189) the movement of the tool holder allows you to know its position.
- a fourth actuator (178) and a fourth feedback sensor (189) the movement of the tool holder allows you to know its position.
- a fourth feedback sensor (189) the movement of the tool holder allows you to know its position.
- the tool (19) integral with the tool holder (18) are arranged four feedback sensors tool movements. All four sensors can be used or not depending on the type of tool placed on the tool holder.
- the turret (11) of the shovel has a sensor (114) of turret rotation copy, a sensor assembly (112) for measuring the pressure of the hydraulic gearbox and the piloting pressures of the distributors and a set (113) of sensors consisting of a depth gauge, a gyrocompass, a shovel tilt sensor along the x axis, and a shovel tilt sensor along the y axis.
- each of the feedback sensors movements of one of the elements of the shovel sends its signal on a electrical measurement box (117) which retransmits by an umbilical of 37 lead wires (42) information to the intermediate equipment (2) consisting of a buoy (2).
- the electrical measurement box (117) as well as the control box of the hydraulic distributors (116) are placed in a sealed casing on the turret (11) of the shovel.
- the control box (116) sends the control signals to the hydraulic box of the drill mast and the electrical measurement unit (117) receives on the one hand the signals from sensors described above, of the shovel, the arm and the mast drill or accessory placed at the end of the arm and secondly the signals from two pressure switches.
- Distributor control signals arrive via a 32-wire umbilical (41) from the buoy (2).
- the machine is connected by hydraulic umbilicals to the pumps located in the buoy, one (43) supplying the fluids under pressure towards the shovel and ensuring by a second umbilical (432) the return fluids to the hydraulic tank, the other (44) also providing the supply of fluids to other organs of the shovel and by a second umbilical (442) return of fluids, as shown in Figure 3C.
- FIG. 2D represents a distributor (1181) for controlling the two cylinders (122) for example forming the actuators between the arrow (12) and the pendulum (13) and associated on either side of the arrow.
- This distributor is controlled by an electromagnet (1162) for controlling the output cylinders and a second electromagnet (1161) for controlling the re-entry cylinders.
- the hydraulic circuit connecting the pump (203) to the cylinder (122) is interrupted by this distributor (1181) and, depending on the order sent, the two cylinders (122) are either ordered as output or ordered as input.
- On the circuit connecting the two compartments of each cylinder is also connected a second distributor (1182) controlled by an electromagnet (1163) for control the so-called "fuzzy" position.
- this distributor (1182) When this distributor (1182) is activated, the compartments located on either side of the piston of each cylinder are placed in communication with each other so that the cylinder freely follows the movements imposed by the bucket. In this way when the cylinders (115) the boom, the user, by controlling the jacks (122 and 142) modifying the inclination of the pendulum and the bucket, will cause a movement of the bucket towards the shovel. This reconciliation movement is carried out while preserving the bucket teeth at the same level so as to dig a trench keeping everywhere the same level.
- the hydraulic circuit of each actuator is completed by a pressure limiter (2032) and a return (432) to the hydraulic tank (2031).
- Each actuator of the shovel or bulldozer is sealed in placing on the end A of the compartment in which the piston slides (1221) of the actuator (122) a sealing device shown in Figure 2E.
- This device consists of a double lip seal (1223) having two V-shaped lips so that each of the two V's is arranged in a direction perpendicular to each other. So the joint seal (1223) makes the actuator waterproof not only at pressures exerted from inside the chamber (1221) to the outside, but also to pressures exerted from the outside towards the chamber (1221), when the high pressure pumps are not driven.
- Each of two high pressure pumps (202, 203) which feed a double umbilical (44, 43) and return umbilicals (432, 442) to the hydraulic tank (2031).
- the automaton (206) manages on the one hand by some automated movement programs for some movement sequences and on the other hand manages the exchanges between measurement signals from the machine installed at the bottom of the sea and the control signals from the shore-based control station and received by a radio-relay system consisting of the antennas (28) each connected to a transmission modem (207) and respectively a receiving modem (208).
- the modems (207, 208) are connected to serial outputs of the PLC (206).
- the automaton (206) also manages, as shown in FIG. 3B, the information of management of the buoy constituted by the signals indicating the clogging of the high pressure filter and the pressure regulating the pumps (202, 203), these signals arrive by the beam (2064).
- the PLC manages the indications of measurement coming from a depth gauge installed on the buoy (2) and arriving by the wire harness (2062).
- Another wire harness provides the controller (206) by the arrival (2063) the information concerning the filling valve of the diesel tank, by an arrival (2065) the information concerning the ascent of the buoy, by an arrival (2066) the information concerning immersion of the buoy, by an arrival (2068) the information concerning engine cooling, by an arrival (2067) the information of buoy air control.
- the automaton (206) receives also by the beam (2010) of information concerning the internal combustion engine operation and sends commands by the beam (2011) allowing starting and speed regulation of this internal combustion engine.
- the internal combustion engine (201) is installed in a compartment (20) of the buoy (2) which communicates with the atmosphere by a chimney (26) which can be sealed by a sealing valve actuated by a jack.
- the engine drives on the one hand an alternator (209) and on the other hand the high pressure pumps (202, 203) as well as a air conditioning system.
- the alternator (209) allows charging a battery (211) disposed in this compartment which allows a start the engine on the other hand power the installations electronic measuring and control system.
- a watertight flexible pouch (22) comprising a filling valve which communicates with the upper part of the buoy.
- This filling valve allowing the filling of the pocket (22) with a fossil fuel (221) such as diesel.
- a fossil fuel (221) such as diesel.
- the pocket (22) deforms.
- the volume delimited between the wall bottom (21) of the waterproof compartment (20) and the bottom partition (24) of the buoy is provided with an opening (241) for communication with the water for allow the volume not filled by the bag to be filled with water, this which thus limits the buoyancy variations of the buoy.
- the buoy is equipped on its outer wall with a flange (27) fixed on the latter by attachment means not shown.
- This tube (27) is inflatable by a equipment placed inside the buoy (2) and controlled by the automat (206).
- This equipment makes it possible, by inflating the flange (27), to make raise the buoy to the surface and, by deflating the tube (27), check the immersion of the buoy after ordering the engine to stop and the tightness of the compartment (20) by closing the valve of the ventilation chimney (26), so as to immerse the buoy (2) during storms.
- the measurement information of the shovel movements are sent by the radio beam to the receiving modem (377) connected to the cockpit programmable controller (376).
- This automaton (376) is also connected by a serial link to an industrial PC type P.C. with a keyboard (75) which controls a monitor (32) and performs a display program on the one hand of the position of the machine by representing on synthetic images the heading of the machine determined by the gyroscope installed on the shovel, on the other hand by representing by computer generated images the inclination along the x-axis and along the y-axis of the shovel.
- a last window of the monitor allows to represent the shovel at the edge of the trench made by it so as to visualize for the user work progress.
- the pilot's seat is installed on jacks (35, 36) which copy the inclinations of the shovel (1) so as to reproduce the driving sensations as if the pilot were installed on the machine.
- the automaton (376) also controls devices (331, 341) of force feedback on the left (33), right (34) manipulators. These manipulators (33, 34, Figure 4B) allow the driver to control by the connections (3304, 3404) with the terminal block (374) the different movements of the shovel having in return, on the one hand the sensations of inclination transmitted by the seat and the thrust sensations of the shovel on the manipulators (33, 34) and on the other hand the visualization by images of summary of the position of the bucket teeth (14), of the inclination of the machine (1) and the progress of the works.
- the device returns the efforts of the shovel (1) on the manipulators controlled, by the signals provided by the pressure sensors (204, 205) at the outlet of the high pressure pumps (202, 203) which are sent by the machine (206) from the buoy (2) to the machine (376) from the cockpit.
- the latter (376) translates these pressure signals in a proportional control current so as to send the current to electromagnets arranged in each device (341, 331) for returning the efforts.
- the electromagnets increase the resistance to displacement of each of the manipulators in proportion to the electrical signals received.
- each electromagnet (341, respectively 331) is connected to an identical mechanism, represented in FIG. 4C, in which the rod respective of the electromagnet (3411, 3311) is made integral with a plate mobile (349, 339) mounted in translation on sliding rods (3481, 3381) in sleeves (3471, 3371).
- These sleeves (3371) are fixed on a plate (347, 337) which constitutes, with posts (344, 334) and a plate (342, 332), a rigid chassis for the assembly.
- the electromagnet (341, 331) is mounted on the respective bottom plate (342, 332) and the manipulator (340, 330) is made integral with the upper plate (347 respectively 337).
- This upper plate has a hole in which pass the axis of the manipulator (34, 33) and an element (340, 330) integral with the axis (34, 33) which presses on the ends of the fingers (3401, 3301) for transmitting the movements of the handle (34, 33) of the manipulator (340, 330) to sensors for translating these movements in electrical signals retransmitted by the links (3404, 3304, Figure 4B) at the terminal block (374).
- the plate (349, 339) is also suspended by two springs (346, 336) arranged on each side to the upper plate (347, 337) of the chassis.
- the spring tension (346, 336) increases and the force bearing of the plate (345, 335) on the control element (3402, 3302) movements of the fingers (3401, 3403, 3301, 3303) for detecting movements of the handle (34, 33) undergoes an effort which opposes the displacement of the handle (34, 33) in inclination.
- the pilot will have the feeling of resistance encountered by the remote controlled craft.
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- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Operation Control Of Excavators (AREA)
- Component Parts Of Construction Machinery (AREA)
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Abstract
Description
Claims (29)
- Engin étanche (1), doté d'actionneurs (115, 122, 142, 151, 152, 161, 178) permettant la commande à distance caractérisé en ce que ses organes sensibles sont étanches pour garder ainsi la même capacité sous l'eau que sur terre, en terme de travaux de génie, et comporte des capteurs (189, 177, 168, 166, 155, 111, 132, 143) qui indiquent la position des différents axes permettant de juger de l'état de l'engin, en indiquant sa direction et sa position, des ombilicaux (43, 44) hydrauliques et électriques (41, 42) transportant l'énergie de puissance, les ordres de commandes des actionneurs et les informations provenant des capteurs, ces ombilicaux reliant l'engin (1) se trouvant dans l'eau, et un élément en surface (2) où se trouve le générateur d'énergie, ainsi que le système de gestion complet ou partiel selon que le principe retenu de pilotage de l'engin est soit à partir d'un ponton soit d'une bouée.
- Engin de travail en milieu hostile selon la revendication 1, caractérisé en ce que le générateur d'énergie est un moteur thermique (201) entraínant des pompes hydrauliques (202, 203).
- Engin de travail en milieu hostile selon la revendication 1 ou 2, caractérisé en ce que les actionneurs (115, 122, 142, 151, 152, 161, 178) sont rendus étanches aux pressions des fluides s'exerçant de l'extérieur vers l'intérieur, pendant les phases d'arrêts de la centrale d'énergie.
- Engin de travail en milieu hostile selon la revendication 1 ou 3, caractérisé en ce que le générateur d'énergie est une pompe hydraulique et les actionneurs sont des moteurs hydrauliques ou des vérins.
- Engin de travail en milieu hostile selon la revendication 1 ou 3, caractérisé en ce que le générateur et les actionneurs sont électriques.
- Engin de travail en milieu hostile selon une des revendications 1 ou 3, caractérisé en ce que le générateur est constitué d'une pompe hydraulique pour les moteurs et actionneurs de puissance et d'un générateur électrique pour les autres moteurs ou actionneurs.
- Engin de travail en milieu hostile selon une des revendications 1 à 6, caractérisé en ce que l'équipement comporte des moyens (28, 208, 207) de communication hertziens d'une part pour la réception (208) des signaux de commande des différents éléments de l'équipement intermédiaire, des moteurs (201 à 203) et des actionneurs de l'engin et, d'autre part pour la transmission (207) des signaux provenant des capteurs de l'engin (1).
- Engin de travail en milieu hostile selon la revendication 7, caractérisé en ce que les moyens d'étanchéité sont constitués de joints (1223) à double lèvres en V dont les V sont accolés entre eux selon deux directions perpendiculaires.
- Engin de travail en milieu hostile selon la revendication 7, caractérisé en ce que les moyens de communication hertziens de l'équipement intermédiaire communiquent avec un poste de pilotage (3).
- Engin de travail en milieu hostile selon une des revendications précédentes, caractérisé en ce que l'engin de travail comporte un gyroscope (113) pour déterminer son cap et deux inclinomètres (113), l'un pour déterminer l'inclinaison selon l'axe des x, l'autre pour déterminer l'inclinaison selon l'axe des y.
- Engin de travail en milieu hostile selon une des revendications précédentes, caractérisé en ce que l'engin (1) est une pelle hydraulique équipée d'un deuxième bras (15, 16, 17, 18) sur lequel peuvent être montés des outils auxiliaires amenable en position de travail par une rotation de la tourelle d'un angle de 180°.
- Engin de travail en milieu hostile selon la revendication 11, caractérisé en ce que l'outil auxiliaires est un mât de forage (19).
- Engin de travail en milieu hostile selon la revendication 11, caractérisé en ce que l'outil auxiliaire est constitué d'une pompe.
- Engin de travail en milieu hostile selon la revendication 11, caractérisé en ce que l'outil auxiliaire est constitué d'une cisaille.
- Engin de travail en milieu hostile selon la revendication 11, caractérisé en ce que l'outil auxiliaire est constitué d'un marteau hydraulique.
- Engin de travail en milieu hostile selon une des revendications 1 à 10, caractérisé en ce que l'engin est un bouteur (1B) mû sur le sol par des chenilles comportant une lame transversale à son déplacement et dont la position en hauteur est définie par deux actionneurs.
- Engin de travail en milieu hostile selon une des revendications 1 à 15, caractérisé en ce que les actionneurs de flèche de pelle sont mis en position de pilotage "flow" lorsque les dents de la pelle ont atteint la profondeur de tranchée souhaitée, de façon à permettre au conducteur de creuser une tranchée dont le fond reste au même niveau.
- Engin de travail selon la revendication 1 caractérisé en ce que la bouée comporte dans un volume cylindrique un premier compartiment supérieur étanche (20) communiquant avec l'atmosphère par une cheminée (26) obturable par au moins une soupape d'étanchéité commandée par un vérin et contenant des moyens de communication avec un poste de commande, et un second compartiment dans lequel est disposée une poche souple (21) communiquant avec le premier compartiment par un tuyau d'alimentation, ladite poche souple contenant le combustible fossile (221) destiné à l'alimentation du moteur thermique (201) placé dans le premier compartiment, cette poche souple (21) étant placée dans un compartiment qui communique par une paroi inférieure (24) percée d'orifices (241) avec le milieu fluide dans lequel la bouée (2) flotte, l'enveloppe cylindrique de la bouée étant pourvue à sa périphérie d'un boudin gonflable (27) permettant d'une part le maintien de la bouée (2) au même niveau de flottaison quel que soit le niveau du combustible dans la poche et d'autre part son immersion en cas de danger en surface.
- Engin de travail selon la revendication 18, caractérisé en ce que la bouée comporte pour travaux maritime selon la revendication 18, caractérisée en ce qu'elle comporte des moyens de commande du vérin d'actionnement de la soupape d'étanchéité du compartiment supérieur (20) et des moyens de contrôle du gonflage et dégonflage du boudin (27) gonflable de façon à permettre l'immersion totale de la bouée ou de contrôler son niveau de flottaison en fonction des niveaux du liquide combustible fossile (221) et des conditions météorologiques.
- Engin de travail selon la revendication 18 ou 19 caractérisé en ce que la bouée comporte pour travaux maritime selon la revendication 18 ou 19, caractérisée en ce qu'elle comporte en plus du moteur thermique (201) un générateur électrique (209) destiné à la charge d'une batterie d'alimentation (211) des équipements électroniques incorporés dans la chambre, un système de climatisation, des pompes hydrauliques (202, 203) permettant de fournir le fluide d'actionnement aux moteurs ou actionneurs de puissance de l'engin (1).
- Engin de travail selon une des revendications 18 à 20 caractérisé en ce que le circuit électronique de la bouée comporte pour travaux maritime selon une des revendications 18 à 20, caractérisée en ce que les circuits électroniques comportent un automate programmable (206) relié par un bornier d'interface : aux capteurs délivrant les informations sur le fonctionnement du moteur (201) et aux actionneurs permettant le pilotage du moteur (201) à combustion interne, à l'ombilical (42) fournissant le retour des informations de la boite électrique de mesure de l'engin (1), à l'ombilical (41) de pilotage des distributeurs hydrauliques de l'engin (1) ; aux capteurs (2063 à 2067) et actionneur (2069) permettant de commander le niveau de flottaison de la bouée ou son immersion et à des modems reliés eux-mêmes à une ou plusieurs antennes (28) permettant l'émission par un premier modem (207) et la réception par l'autre modem (208).
- Poste de commande pour engin (1) selon la revendication 1, relié par un ombilical (4) à un équipement intermédiaire (2) communiquant avec le poste de commande par onde hertzienne caractérisé en ce que le poste (3) comporte un siège (31) monté sur des actionneurs (35, 36) reproduisant les mouvements d'inclinaison selon les deux axes de l'engin et comportant à proximité du siège (31) du conducteur deux manipulateurs (33, 34) à trois axes avec dispositifs (331, 341) de renvoi d'effort reliés d'une part à un automate programmable (376), lui-même relié à des modems d'émission (378) et de réception (377) de faisceau hertzien et d'autre part par une liaison série à un système informatique de type ordinateur industriel (375) avec clavier connecté à un moniteur (32) de visualisation.
- Poste de commande pour engin selon la revendication 22, caractérisé en ce que le dispositif de renvoi d'effort de l'engin est constitué de capteurs (204, 205) de pression disposés sur les sorties des pompes (202, 203) haute pression alimentant l'engin en énergie, lesdits capteurs étant reliés à l'automate (206) programmable de l'équipement intermédiaire (2), les signaux fournis par ces capteurs émis par le modem (207) de transmission hertzien puis reçus par le modem (377) de réception de la cabine de pilotage (3) et convertis par un deuxième automate (376) en un courant d'alimentation d'un électroaimant destiné à appliquer un effort proportionnel à la pression mesurée en sortie des pompes sur la rotule du manipulateur (34, 33) associé au capteur de pression (204, respectivement 205).
- Poste de commande pour engin selon la revendication 22 ou 23, caractérisé en ce que l'écran du moniteur (32) comporte plusieurs fenêtres gérées par le programme de l'ordinateur (375) pour permettre dans une première fenêtre l'affichage de la direction indiqué par le gyroscope, dans une deuxième fenêtre la représentation de l'engin et des dimensions de la tranchée creusée par l'engin, dans une troisième fenêtre l'inclinaison de l'engin selon l'axe des x, dans une quatrième fenêtre l'inclinaison de l'engin selon l'axe des y, dans une cinquième fenêtre l'inclinaison des dents du godet (14) de la pelle (1) de façon à permettre au conducteur de connaítre la position exacte du godet à tout moment, et dans une dernière fenêtre de visualisation les images transmises par les modems (279, 379) en provenance d'une caméra montée sur l'engin (1).
- Poste de commande pour engin selon la revendication 24, caractérisé en ce que l'ordinateur du poste de pilotage comporte un programme informatique reconstituant des images de synthèse représentant à partir des signaux fournis par les capteurs de recopie des mouvements de l'engin et des capteurs de position et d'inclinaison, d'une part la position de l'engin d'autre part la réalisation du travail effectué.
- Poste de commande pour engin selon une des revendications 22 à 25, caractérisé en ce que l'automate (206) implanté dans l'équipement intermédiaire et servant au contrôle et à la commande de l'engin (1) est programmé pour comporter des séquences automatisées de fonctionnement de l'engin pour des opérations telles que la pose du déblai à proximité de la tranchée de façon à ce que le conducteur soit déchargé de cette tâche et que le remblai ainsi effectué soit toujours à la même distance par rapport à la tranchée.
- Poste de commande pour engin selon la revendication 26, caractérisé en ce qu'une telle séquence est enclenchée par l'utilisateur à partir d'un des boutons d'un des manipulateurs (34, 33) à trois axes et l'exécution de la séquence est représentée sur l'écran pour que le conducteur puisse à la fin de la séquence automatisée reprendre le contrôle de l'engin par les manipulateurs.
- Poste de commande pour engin selon la revendication 26 ou 27, caractérisé en ce que l'automate (206) de commande de l'engin (1) comportera pour une séquence automatisée du dépôt de déblai une commande de relèvement de la flèche (12) de pelle ; une commande de rotation de la tourelle (11) de pelle d'un angle déterminé suivi d'une commande de basculement du godet (14) de pelle de façon à déverser le déblai à proximité de la tranchée puis à nouveau une commande de rotation de tourelles en sens inverse du même angle et l'envoi d'un signal au poste de pilotage de façon à ce que l'utilisateur reprenne le contrôle.
- Poste de commande pour engin selon une des revendications 22 à 28, caractérisé en ce que le programme de l'automate de l'équipement intermédiaire permet, lorsque l'utilisateur commande par le manipulateur le mouvement du bras (15 à 18) porte outils (19), de gérer automatiquement la rotation de la tourelle (11) d'un demi-tour pour assurer sa mise en place de façon précise et à la fin de l'utilisation d'effectuer la rotation en sens inverse de façon à éviter une torsion supérieure à un demi tour des ombilicaux (4).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9609386A FR2751677B1 (fr) | 1996-07-25 | 1996-07-25 | Engin de genie pour travail en milieu hostile, bouee pour travaux maritimes, poste de commande associe a un engin ou a un ensemble bouee-engin |
FR9609386 | 1996-07-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0821109A1 true EP0821109A1 (fr) | 1998-01-28 |
EP0821109B1 EP0821109B1 (fr) | 2002-09-25 |
Family
ID=9494484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97401785A Expired - Lifetime EP0821109B1 (fr) | 1996-07-25 | 1997-07-24 | Système pour travail en milieu hostile comportant un engin ainsi que poste de commande associé |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0821109B1 (fr) |
AT (1) | ATE224983T1 (fr) |
DE (1) | DE69715749T2 (fr) |
DK (1) | DK0821109T3 (fr) |
ES (1) | ES2184044T3 (fr) |
FR (1) | FR2751677B1 (fr) |
PT (1) | PT821109E (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2168166A1 (es) * | 1998-11-04 | 2002-06-01 | Tejedor Fernando Sanchez | Maquina para desarrollar trabajos submarinos. |
CN102797276A (zh) * | 2012-09-11 | 2012-11-28 | 韦力生 | 一种龟步履带行走式清淤机 |
WO2015110834A1 (fr) * | 2014-01-24 | 2015-07-30 | Ihc Engineering Business Ltd | Appareil d'excavation de tranchées à moyens de nivellement |
CN107059971A (zh) * | 2017-04-19 | 2017-08-18 | 安徽捷思新型材料有限公司 | 水底吸污专用作业船 |
CN115162449A (zh) * | 2022-07-13 | 2022-10-11 | 中交上海航道局有限公司 | 一种挖泥船用污泥脱水装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3568454A (en) * | 1968-10-18 | 1971-03-09 | Japan Dev & Construction | Apparatus for working under water |
US3892079A (en) * | 1971-12-27 | 1975-07-01 | Hitachi Construction Machinery | Control system for amphibious hydraulic excavator |
DE3739041A1 (de) * | 1987-11-17 | 1989-05-24 | Siemens Ag | Kabelpflug |
FR2693220A1 (fr) * | 1992-07-06 | 1994-01-07 | Sacavi Sa | Procédé pour le curage d'ouvrages, notamment d'égouts. |
JPH07229741A (ja) * | 1994-02-18 | 1995-08-29 | Mitsubishi Heavy Ind Ltd | 捨石ならし度測定装置 |
WO1995030880A1 (fr) * | 1994-05-10 | 1995-11-16 | Caterpillar Inc. | Procede et appareil pour surveiller le travail d'excavation d'une machine mobile |
-
1996
- 1996-07-25 FR FR9609386A patent/FR2751677B1/fr not_active Expired - Fee Related
-
1997
- 1997-07-24 DK DK97401785T patent/DK0821109T3/da active
- 1997-07-24 DE DE69715749T patent/DE69715749T2/de not_active Expired - Fee Related
- 1997-07-24 EP EP97401785A patent/EP0821109B1/fr not_active Expired - Lifetime
- 1997-07-24 PT PT97401785T patent/PT821109E/pt unknown
- 1997-07-24 AT AT97401785T patent/ATE224983T1/de not_active IP Right Cessation
- 1997-07-24 ES ES97401785T patent/ES2184044T3/es not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3568454A (en) * | 1968-10-18 | 1971-03-09 | Japan Dev & Construction | Apparatus for working under water |
US3892079A (en) * | 1971-12-27 | 1975-07-01 | Hitachi Construction Machinery | Control system for amphibious hydraulic excavator |
DE3739041A1 (de) * | 1987-11-17 | 1989-05-24 | Siemens Ag | Kabelpflug |
FR2693220A1 (fr) * | 1992-07-06 | 1994-01-07 | Sacavi Sa | Procédé pour le curage d'ouvrages, notamment d'égouts. |
JPH07229741A (ja) * | 1994-02-18 | 1995-08-29 | Mitsubishi Heavy Ind Ltd | 捨石ならし度測定装置 |
WO1995030880A1 (fr) * | 1994-05-10 | 1995-11-16 | Caterpillar Inc. | Procede et appareil pour surveiller le travail d'excavation d'une machine mobile |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 095, no. 011 26 December 1995 (1995-12-26) * |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2168166A1 (es) * | 1998-11-04 | 2002-06-01 | Tejedor Fernando Sanchez | Maquina para desarrollar trabajos submarinos. |
CN102797276A (zh) * | 2012-09-11 | 2012-11-28 | 韦力生 | 一种龟步履带行走式清淤机 |
WO2015110834A1 (fr) * | 2014-01-24 | 2015-07-30 | Ihc Engineering Business Ltd | Appareil d'excavation de tranchées à moyens de nivellement |
KR20160113132A (ko) * | 2014-01-24 | 2016-09-28 | 아이에이치씨 엔지니어링 비니지스 리미티드 | 레벨링 수단을 구비한 트렌칭 장치 |
CN106029989A (zh) * | 2014-01-24 | 2016-10-12 | Ihc工程商业有限公司 | 具有找平装置的挖沟设备 |
US9945097B2 (en) | 2014-01-24 | 2018-04-17 | Ihc Engineering Business Limited | Trench apparatus with leveling means |
CN106029989B (zh) * | 2014-01-24 | 2019-01-04 | Ihc工程商业有限公司 | 具有找平装置的挖沟设备 |
KR102362715B1 (ko) | 2014-01-24 | 2022-02-15 | 로열 아이에이치씨 리미티드 | 레벨링 수단을 구비한 트렌칭 장치 |
CN107059971A (zh) * | 2017-04-19 | 2017-08-18 | 安徽捷思新型材料有限公司 | 水底吸污专用作业船 |
CN115162449A (zh) * | 2022-07-13 | 2022-10-11 | 中交上海航道局有限公司 | 一种挖泥船用污泥脱水装置 |
CN115162449B (zh) * | 2022-07-13 | 2023-09-05 | 中交上海航道局有限公司 | 一种挖泥船用污泥脱水装置 |
Also Published As
Publication number | Publication date |
---|---|
ES2184044T3 (es) | 2003-04-01 |
DK0821109T3 (da) | 2003-02-03 |
EP0821109B1 (fr) | 2002-09-25 |
DE69715749D1 (de) | 2002-10-31 |
PT821109E (pt) | 2003-02-28 |
DE69715749T2 (de) | 2003-06-05 |
FR2751677A1 (fr) | 1998-01-30 |
FR2751677B1 (fr) | 1998-11-20 |
ATE224983T1 (de) | 2002-10-15 |
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