EP2524737A1 - Einheit und Verfahren zur Durchführung von Instandhaltungsarbeiten bei einem länglichen Metallelement, wie einer Gallschen Kette - Google Patents

Einheit und Verfahren zur Durchführung von Instandhaltungsarbeiten bei einem länglichen Metallelement, wie einer Gallschen Kette Download PDF

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Publication number
EP2524737A1
EP2524737A1 EP12168178A EP12168178A EP2524737A1 EP 2524737 A1 EP2524737 A1 EP 2524737A1 EP 12168178 A EP12168178 A EP 12168178A EP 12168178 A EP12168178 A EP 12168178A EP 2524737 A1 EP2524737 A1 EP 2524737A1
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EP
European Patent Office
Prior art keywords
assembly
galle
chain
product
elongated element
Prior art date
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Granted
Application number
EP12168178A
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English (en)
French (fr)
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EP2524737B1 (de
Inventor
Gilles Nard
Bruno Boccard
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Boccard
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Boccard
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Publication of EP2524737A1 publication Critical patent/EP2524737A1/de
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Publication of EP2524737B1 publication Critical patent/EP2524737B1/de
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/022—Cleaning travelling work

Definitions

  • the present invention relates to an assembly for performing maintenance operations on an elongate metal member such as a Galle chain portion. Furthermore, the present invention relates to a method of maintaining such an elongate metal member.
  • the present invention finds application in particular in the field of maintenance of Galle chains used to operate hydraulic openings, in particular lifting doors for locks.
  • Hydraulic openings are important organs for the safety of people, wildlife and property located near the lock. Such hydraulic openings are maneuvered exceptionally during floods. To check the correct operation of a hydraulic opening, at least two test maneuvers are performed each year.
  • a Galle chain maintenance method includes a three-year Galle chain cleaning step and an annual Galle chain lubrication step.
  • an operator moves along the Galle chain by projecting thereon, by means of a spray lance, a cleaning product or a lubricating product.
  • the cleaning and lubrication steps involve risks for the operator because he moves at a high height and the cleaning product and the lubricant can be relatively toxic.
  • a prior art maintenance process disperses a significant amount of cleaning product and lubricant around the Galle chain, which can be detrimental to the environment, particularly to the fauna and flora. .
  • a maintenance method of the prior art requires completely clear the Galle chain, so dry the lock and put it back into water, which is particularly long (four weeks).
  • US5085016A describes an assembly for performing maintenance operations on a pipe by projecting a maintenance product to the pipe.
  • the set of US5085016A does not allow optimal cleaning of the pipe, in particular because its projection members have a limited range of motion.
  • the set of US5085016A is suitable for a single pipe diameter. Therefore, there must be several specific sets to maintain several pipes of different diameters.
  • the present invention aims to solve, in whole or in part, the problems mentioned above.
  • an assembly according to the invention comprises a waterproof box inside which are mounted projectors for projecting at least one cleaning product on the Galle chain, that is to say a cleaning product and / or a coating product.
  • a Galle chain can be cleaned and / or coated in an automated manner and without dispersion of the cleaning and coating products in the environment.
  • the assembly further comprises means for modifying the dimensions of each passage opening.
  • said modification means comprise sliding elements arranged to allow the translation of the sealing members and / or parts of the envelope so as to increase or decrease the dimensions of each opening in the direction of translation.
  • these modification means make it possible to modify the spacing of the sealing members and / or parts of the casing located on each side of the assembly, so as to adapt the assembly to the various geometries of the elongated elements to be maintained. , for example various Galle chains.
  • the moving parts of the casing may be formed by plates in slid connection with the remainder of the casing and / or with a frame of the assembly.
  • said modifying means further comprises actuators configured to move the slide members in response to a control signal.
  • actuators make it possible to move the sliding elements during a maintenance operation so as to adapt in real time each opening to the geometry of the elongate element subjected to the maintenance operation, which is useful in particular for Galle chain links having a substantially variable width.
  • the assembly further comprises means for adjusting the position of the or each projection member.
  • each projection member makes it possible to adjust the position of each projection member with respect to the elongated element (eg the Galle chain) .
  • the position of each projection member can thus be adjusted according to the fouling of the elongated element, the speed of movement of the assembly along the elongated element and / or the geometry of the elongate element, for example the shape of each link of a Galle chain.
  • the term "oscillatory movement” designates a periodic movement along any trajectory and generally with recurring points. This trajectory can be rectilinear (translation), circular curvilinear (rotation) or not or composed of several curves.
  • said at least one mechanism comprises a connecting rod, a jack and at least two end-of-stroke sensors.
  • said at least one mechanism comprises, for at least one projection member, at least two pivoting actuators, each pivoting actuator being arranged to pivot said at least one projection member around a respective axis, the amplitude of each pivoting being preferably greater than 270 degrees, more preferably approximately equal to 360 degrees.
  • pivoting actuators can move each projection member with a large oscillatory amplitude.
  • two pivots allow each projection member to cover all the points of a sphere.
  • the means for adjusting the position of the or each projection member belong to said at least one mechanism.
  • the sealing members are elastically deformable and arranged to rub the elongated element, when the assembly is guided along the elongated element.
  • the sealing members comprise, for at least one of the passage openings, brushes forming a first sealing bearing and flaps forming a second sealing bearing.
  • the assembly further comprises at least one reservoir of a cleaning product, such as ice crystals carbonic, the assembly comprising at least one said primary projection member which is connected to the cleaning agent tank.
  • a cleaning product such as ice crystals carbonic
  • the assembly further comprises at least one reservoir of a coating product, such as a lubricant, the assembly comprising at least one secondary projection member which is connected to the coating product reservoir.
  • Such primary and secondary projection members allow, with a single assembly according to the invention, to successively perform the cleaning and coating or lubrication of a Galle chain.
  • the assembly further comprises at least one motor fan whose intake is connected to the casing and whose discharge is connected to a filter adapted to trap the particles of the or each maintenance product, the / or each motor fan being adapted to lower the pressure in the envelope under atmospheric pressure.
  • Such a motor fan allows a vacuum in the envelope, which avoids or limits the release of maintenance product out of the envelope.
  • the guide means are formed by rollers with flanges arranged to bear on the elongated element.
  • Such flanged rollers are simple to assemble and allow reliable guidance.
  • Such a method makes it possible to clean and / or lubricate a Galle chain in an automated manner and without dispersion of the cleaning and lubricating products in the environment.
  • the figure 1 illustrates the major part of a set 1 for performing maintenance operations on a Galle 2 chain, which is schematized by a direction Z2 vertical to the figure 1 .
  • the Galle 2 chain includes several similar links that form an elongated metal member.
  • the chain Galle 2 extends in a direction Z2, which is represented vertically at the figure 2 but which can be practically vertical or inclined.
  • the Galle 2 chain has the function of maneuvering a lift door not shown in a hydraulic structure such as a lock.
  • the Galle 2 chain is therefore subject to corrosion caused by the watercourse and climatic conditions.
  • the assembly 1 comprises eight flanged rollers 101, three of which are not visible on the figure 1 .
  • Each flanged roller 101 comprises a cylindrical roller adapted to bear on several points of contact of the Galle 2 chain.
  • the assembly 1 comprises a frame 102 which is made of welded construction and which comprises in particular aluminum profile segments.
  • the eight flanged rollers 101 are mounted in pairs on the frame 102 rotated about four respective axes orthogonal to the direction Z2.
  • an upper part and a lower part of the frame 102 are respectively formed by two bases 102.1 1 and 102.2 similar.
  • first section 2.1 of the Galle 2 chain The four other flanged rollers 101 are arranged to bear on a second section 2.2 of the Galle 2 chain.
  • the second section 2.2 is distant. of the first section 2.1, so that the first section 2.1 and the second section 2.2 define a portion of the Galle 2 chain, which portion is substantially rectilinear on the figure 2 .
  • the flanged rollers 101 form guiding means arranged to guide the assembly 1 along the Galle 2 chain.
  • the center distances of the flanged rollers 101 are adapted to bring the cylindrical rollers respectively into contact with the first section. 2.1 and with the second section 2.2.
  • the assembly 1 further comprises two primary projectors 111 which are arranged on either side of the position of the chain Galle 2.
  • the primary projectors 111 are connected, by means of flexible hoses not shown to a tank of cleaning product not shown.
  • the flexible pipes supplying the set of cleaning products are mounted on the assembly 1 by means of bulkheads and / or cable glands (not shown).
  • the cleaning product reservoir can be mounted on the frame 102 or transferred to a fixed station remote from the assembly 1.
  • the end portion of the projectors 111 is formed by a nozzle which is adapted to direct a jet of cleaning product towards the Galle 2 chain.
  • the projectors 111 form primary projection members which are arranged to project the cleaning product. following respective distinct meanings.
  • the projectors 111 are adapted to project cleaning product along respective directions Y111 which are oblique with respect to the direction Z2.
  • the cleaning product is composed of dry ice crystals which are stored in the cleaning agent tank at a temperature of about -80 ° Celsius and then projected under a pressure of about 10 bar, which leads to a high speed of cleaning agent particles in the direction of the Galle 2 chain.
  • Such a cleaning product makes it possible to effectively remove the dirt from the Galle 2 chain, since each crystal of carbon dioxide suddenly placed under atmospheric conditions is sublime by producing a micro-explosion locally.
  • the assembly 1 comprises two secondary projectors 112 which are connected to a tank of coating product not shown.
  • the coating product reservoir can be mounted on the frame 102 or transferred to a stationary station and remote from the frame 102.
  • the coating product may comprise a lubricant, such as a grease or an oil, and / or a protective agent, such as an anticorrosive agent or polychloroprene, for example neoprene®.
  • the secondary spotlights 112 are connected to the coating product tank via flexible hoses (not shown). As shown by figures 1 and 4 the secondary spotlights 112 form secondary projection members which are arranged to project coating material in respective directions or respective directions, but essentially directed to the position of the Galle 2 chain.
  • the primary projectors 111 are arranged on either side of the direction Z2, so as to project cleaning product on each face of the chain Galle 2.
  • the secondary spotlights are arranged on either side of the direction Z2, in order to project coating product on each face of the Galle 2 chain.
  • the cleaning product and the coating product form maintenance products of an elongated metal element, here of the Galle 2 chain.
  • the primary projectors 111 and the secondary projectors 112 therefore form projection members arranged to project flows. of maintenance products towards the Galle 2 chain portion extending between the first section 2.1 and the second section 2.2, when the assembly 1 is guided along the Galle 2 chain.
  • the assembly 1 comprises several walls 115, 116, 117 and 118 which are fixed to the frame 102.
  • Each of the walls 115, 116, 117 or 118 is generally flat and solid, that is to say not perforated.
  • the walls 115, 116, 117 and 118 are arranged so as to define a casing 119 of parallelepipedal shape.
  • the wall 118 is removably attached to the frame 102 and / or the adjacent walls 115 and 116. As illustrated by the double arrow Z118 at the figure 9 , the wall 118 is movable in translation along the direction Z2 and with respect to the frame 102. figure 8 illustrates the closed position of the wall 118.
  • the wall 118 is preferably made of a transparent material, such as plexiglas®, to allow an operator to visually control the inside of the envelope 119.
  • Unrepresented seals are arranged on the intersections of the various components of the assembly 1, in particular between the walls 115, 116, 117 and 118.
  • the envelope 119 is arranged to surround each primary projector 111 and each secondary projector 112, as well as the Galle 2 chain portion extending between the first section 2.1 and the second section 2.2.
  • the envelope 119 has the main function of retaining the excess cleaning product, excess coating product and / or residues from cleaning and coating operations.
  • the envelope 119 has two passage openings which are adapted for the passage of the Galle 2 chain, namely a first passage opening 121 and a second passage opening 122.
  • the first passage opening 121 and the second passage opening 122 are respectively at the level of the first section 2.1 and the second section 2.2.
  • the first passage opening 121 and the second passage opening 122 have generally rectangular shapes and corresponding to a cross section of the Galle 2 chain.
  • the assembly 1 further comprises sealing members which are arranged to seal respectively the first passage opening 121 and the second passage opening 122.
  • the sealing members are identical for the first passage opening 121 and for the second passage opening 122.
  • sealing members comprise, for each passage opening, two brushes 124 which are arranged on either side of the Z2 direction and which form a first sealing bearing.
  • these sealing members comprise, for each passage opening, two flaps 125 which are arranged on either side of the Z2 direction and which form a second sealing bearing.
  • Brushes 124 are crimped brushes, linear and composed of one or two series of synthetic fibers, for example according to the "strip" model.
  • the flaps 125 can be made of neoprene®.
  • the sealing members formed by the brushes 124 and the flaps 125 are elastically deformable.
  • the position and the geometry of the brushes 124 and flaps 125 are adapted to the shape of the Galle 2 chain.
  • the sealing members are arranged to rub the Galle 2 chain when the assembly 1 is guided along. of the Galle 2 chain.
  • the assembly 1 further comprises two mechanisms 130 which are adapted to each drive a primary projector 111 and a secondary projector 112 in an oscillatory movement.
  • each mechanism 130 comprises a link 131 to a jack 132 and two end-of-travel sensors 133 and 134.
  • the jack 132 is of linear type, with pneumatic energy supplied by a pneumatic distributor 135 fixed to the frame 102 and visible to the figures 1 and 9 .
  • the actuator 132 has the function of moving the link 131 and the components that it supports in a direction X132.
  • the connecting rod 131 supports, in particular, a primary projector 111 and a secondary projector 112.
  • the link 131 serves to convert the linear movement of the jack 132 into an oscillating rotary motion about an oscillation axis Y131, which is generally orthogonal to the direction Z2.
  • the purpose of the limit sensors 133 and 134 is to detect a target 136 integral with the primary projector 111 and the secondary projector 112. When they detect the target 136, the limit sensors 133 and 134 emit detection signals to an unrepresented control unit which controls the cylinder 132.
  • the limit sensors 133 and 134 define with the oscillation axis Y131 an angle 133.134 which defines the angular stroke of the primary projector 111 and the secondary projector 112.
  • the control unit driving the actuator 132 can comprise means for varying the period of the oscillatory movement described by the primary projector 111 and the secondary projector 112.
  • the assembly 1 further comprises means for adjusting the position of each primary projector 111 and of each secondary projector 112. These adjustment means make it possible to adjust the position of each primary projector 111 and of each secondary projector 112 relative to at the position of the chain Galle 2 within the envelope 119.
  • adjustment means comprise, in particular, an aluminum profile 137 having longitudinal grooves, along which each primary projector 111 and each secondary projector 112. can be displaced.
  • adjustment means also comprise a flange 138 which can pivot about the axis d oscillation Y131, so as to fix the angle that the profile 137 makes with the direction X132 of the cylinder 132.
  • These adjustment means also comprise pins, not shown, on which the flanged rollers 101 are mounted, as well as supports cooperating with these pins and having a series of holes, so as to be able to adjust the position of each flanged roller 101 by report to the Galle 2 channel.
  • each projection member can thus be adjusted according to the fouling of the elongated element, the speed of movement of the assembly along the elongated element and / or the geometry of the elongated element, for example the shape of each link of a Galle chain.
  • the assembly 1 comprises unrepresented means for modifying the dimensions of the first passage opening 121 and the second passage opening 122.
  • These modifying means comprise unrepresented sliding elements which are arranged to allow the translation of the sealing members and / or parts of the casing so as to increase or decrease the dimensions of each opening in the direction of the translation. .
  • the sliding elements are integral with the segments of profiles forming the frame 102 which extend along the double-arrow 126, visible at the figure 3 .
  • the sliding elements are connected to the brushes 124 and the flaps 125 to allow their rectilinear translation along the double-arrow 126.
  • These modifying means furthermore comprise actuators, not shown, which are configured to move the sliding elements in response to a control signal transmitted by the control unit.
  • actuators can be electric cylinders.
  • actuators make it possible to move the sliding elements during a maintenance operation, so as to adapt in real time each opening to the geometry of the Galle chain subjected to the maintenance operation.
  • the assembly 1 further comprises two motor fans 141 and 142 which are arranged on the walls 117.
  • the inlet is connected to the casing 119 and the discharge is connected to a filter box 143.
  • the filter box 143 comprises one or more filters adapted to trap the cleaning agent particles and the coating product particles.
  • Each motor fan 141 or 142 is adapted to lower the pressure in the envelope 119 under atmospheric pressure.
  • the fan motors 141 and 142 generate a vacuum in the casing 119, which prevents or limits the leakage of cleaning product or coating product from the casing 119.
  • a motor-fan can use any electrical, pneumatic and / or electro-pneumatic equipment to create a depression.
  • the verbs "to connect”, “to connect”, “to connect”, “to feed”, and their derivatives relate to the communication of fluid, that is to say, to the flow of liquid, of gas and / or solid particles, between two distant elements.
  • This fluid communication can be achieved by means of a direct or indirect link, that is to say through no one, one or more component (s).
  • upstream and downstream refer to the flow direction of the fluid from a source of this fluid, such as a reservoir, to the projection members.
  • the assembly 1 further comprises plates 145 which are secured to the four corners of the bases 102.1 and 102.2 and which have a hole adapted for the passage of unrepresented slings.
  • slings allow, for example in cooperation with a hoist and an engine not shown, to move the assembly 1 along the Galle 2 chain.
  • FIGS 10, 11 , 12 and 13 illustrate a part of an assembly 1001 according to a second embodiment of the invention. Since the set 1001 is similar to the set 1, the description of the set 1 given above in relation to the Figures 1 to 9 may be transposed to Set 1001, with the exception of the notable differences set out below.
  • a component of the assembly 1001 identical or corresponding, by its structure or by its function, to a component of the assembly 1 carries the same numerical reference increased by 1000.
  • a Galle chain 1002, a frame 1102, a projector are thus defined.
  • the assembly 1001 differs from the assembly 1, in particular since the mechanisms 1130 and equivalent comprise, for each primary projector 1111, two pivoting actuators 1201 and 1202. Each pivoting actuator 1201 and 1202 is arranged to rotate a primary projector 1111 respectively around axes X1201 and X1202, materialized at the figure 12 .
  • the amplitude of rotation about each axis X1201 and X1202 is approximately equal to 360 degrees, as shown by the four positions illustrated in FIGS. Figures 10, 11 , 12 and 13 .
  • the pivot actuators 1201 and 1202 are here formed by rotary electric motors.
  • the pivot actuators 1201 and 1202 make it possible to move each primary projector 1111 and equivalent with a large oscillatory amplitude.
  • each primary projector 1111 may be driven by the pivot actuator 1202 so as to direct the jet of the cleaning product in the direction of movement of the 1201 pivot actuator.
  • pivot actuators 1201 and 1202 All movements of the pivot actuators 1201 and 1202 are adjustable in speed and amplitude.
  • the pivot actuators 1201 and 1202 are linked in series, but they can have movements independent, since each pivoting is operated by a single pivot actuator 1201 or 1202.
  • the oscillating, pivoting and / or translational motion of the primary projectors makes it possible to optimize the cleaning of a Galle chain.
  • the cleaning product for example dry ice crystals, collides with the links of the Galle chain at heart and on all the faces defining its links.

Landscapes

  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning In General (AREA)
EP20120168178 2011-05-16 2012-05-16 Einheit und Verfahren zur Durchführung von Instandhaltungsarbeiten bei einem länglichen Metallelement, wie einer Gallschen Kette Active EP2524737B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1154217A FR2975385B1 (fr) 2011-05-16 2011-05-16 Maintenance de chaines galles

Publications (2)

Publication Number Publication Date
EP2524737A1 true EP2524737A1 (de) 2012-11-21
EP2524737B1 EP2524737B1 (de) 2013-11-13

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EP20120168178 Active EP2524737B1 (de) 2011-05-16 2012-05-16 Einheit und Verfahren zur Durchführung von Instandhaltungsarbeiten bei einem länglichen Metallelement, wie einer Gallschen Kette

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EP (1) EP2524737B1 (de)
FR (1) FR2975385B1 (de)
PT (1) PT2524737E (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3120551A1 (fr) * 2021-03-11 2022-09-16 3N Innovations Dispositif de nettoyage apte à se déplacer le long d’une chaine Galle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1466677A (en) * 1974-02-19 1977-03-09 Phido Co Ltd Cable cleaning unit
US4169427A (en) * 1976-04-14 1979-10-02 Crump Desmond G Cable cleaning unit
BE896623A (fr) * 1983-04-29 1983-11-03 Henning & Fils S P R L F Procede et dispositif pour le nettoyage et la lubrification de cables
US5085016A (en) 1990-01-26 1992-02-04 E. B. Thomas Method and apparatus for cleaning pipe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1466677A (en) * 1974-02-19 1977-03-09 Phido Co Ltd Cable cleaning unit
US4169427A (en) * 1976-04-14 1979-10-02 Crump Desmond G Cable cleaning unit
BE896623A (fr) * 1983-04-29 1983-11-03 Henning & Fils S P R L F Procede et dispositif pour le nettoyage et la lubrification de cables
US5085016A (en) 1990-01-26 1992-02-04 E. B. Thomas Method and apparatus for cleaning pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3120551A1 (fr) * 2021-03-11 2022-09-16 3N Innovations Dispositif de nettoyage apte à se déplacer le long d’une chaine Galle

Also Published As

Publication number Publication date
EP2524737B1 (de) 2013-11-13
PT2524737E (pt) 2014-01-08
FR2975385A1 (fr) 2012-11-23
FR2975385B1 (fr) 2014-03-21

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