EP3480159A1 - Gerät zum arbeiten in der höhe und stabilisierungsmethode eines solchen geräts - Google Patents

Gerät zum arbeiten in der höhe und stabilisierungsmethode eines solchen geräts Download PDF

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Publication number
EP3480159A1
EP3480159A1 EP18204611.0A EP18204611A EP3480159A1 EP 3480159 A1 EP3480159 A1 EP 3480159A1 EP 18204611 A EP18204611 A EP 18204611A EP 3480159 A1 EP3480159 A1 EP 3480159A1
Authority
EP
European Patent Office
Prior art keywords
ballast
frame
machine
displacement means
along
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.)
Granted
Application number
EP18204611.0A
Other languages
English (en)
French (fr)
Other versions
EP3480159B1 (de
Inventor
Mr Patrick RATEAU
Mr Eric JUIN DE FAUCAL DEMONTEIL
Mr Christian BOUYSSET
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cipal
SNCF Reseau
Original Assignee
Cipal
SNCF Reseau
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Publication date
Application filed by Cipal, SNCF Reseau filed Critical Cipal
Publication of EP3480159A1 publication Critical patent/EP3480159A1/de
Application granted granted Critical
Publication of EP3480159B1 publication Critical patent/EP3480159B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
    • B66C23/76—Counterweights or supports for balancing lifting couples separate from jib and movable to take account of variations of load or of variations of length of jib
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
    • B66F11/044—Working platforms suspended from booms
    • B66F11/046—Working platforms suspended from booms of the telescoping type

Definitions

  • the present invention relates to the field of work machines in height, in particular, a machine for the elevation of equipment and people to carry out a maintenance operation in operated railway environment.
  • a work machine in height 100 conventionally comprises a frame 102 equipped with displacement members 103 on the ground S (wheels, tracks, axle, etc.) and at least one working member 104 adapted to extend in height for example, to act on an equipment E located in height (catenary, etc.).
  • the working member 104 is movable relative to the frame 102 in order to tilt, turn or bend to reach the desired point in height.
  • the working member 104 extends cantilever and it is important to ensure the stability of the work machine 100 during the displacement of the working member 104 to prevent a tilting and a reversal of the work machine 100. This is all the more critical that the work member 104 may comprise at its upper end a nacelle hosting operators.
  • a tolerance range ⁇ is in a known manner represented by a so-called stability polygon.
  • the invention therefore aims to eliminate at least some of these disadvantages by proposing a new type of work machine height.
  • the invention relates to a work machine at height comprising a frame, at least one ground displacement member connected to said frame and at least one working member, comprising a proximal end connected to said frame and a distal end adapted to extend in height away from said frame.
  • the chassis comprises at least one stabilization device comprising a main frame defining a horizontal plane, a ballast, means for moving said weight in said horizontal plane and control means configured to move the ballast in said horizontal plane depending on the position of the distal end of the working member to increase the stability of the work machine.
  • a dynamic displacement of the ballast makes it possible to move the center of gravity of the chassis.
  • the cantilever of the working member can be compensated by adapting the position of the center of gravity. This advantageously makes it possible to increase the angular working range of the working member and to avoid the use of stabilizing crutches or the use of specific machines for each task to be performed.
  • the stabilization is obtained "internally" without increasing the dimensions of the work machine.
  • the work machine does not exceed the size of a railway track, which allows the movement of trains on the rail or railways adjacent to that on which the work machine is located.
  • Productivity is thus improved and the capacity footprint is reduced significantly compared to that of a conventional machine.
  • the displacement means are configured to move the ballast in said horizontal plane in the main frame so as not to change the size of the stabilization device.
  • the displacement means comprise first displacement means along a longitudinal axis and second displacement means along a lateral axis.
  • the use of dedicated displacement means for each axis of displacement increases the reliability and limits the risk of malfunction. This is particularly advantageous in view of the high weight of the ballast.
  • the displacement means are configured to move the ballast along a longitudinal axis over a distance of between 50 cm and 90 cm and along a lateral axis over a distance of between 1100 cm and 2200 cm.
  • the ballast has a mass of between 1000 kg and 4000 kg.
  • the work machine comprises rail displacement means, in particular, railway wheels.
  • the work machine comprises means for measuring the mechanical forces of said railway wheels in order to measure the mechanical stability of the work machine.
  • the ballast extends along the length of the chassis to improve the stability of the chassis during the dynamic displacement of the ballast.
  • the ballast has a length of between 200 cm and 400 cm.
  • the stabilizing device comprises an auxiliary frame movably mounted in the main frame, the ballast being mounted movably in the auxiliary frame.
  • the use of dedicated frames for each axis of movement increases the reliability and limits the risk of malfunction. This is particularly advantageous in view of the high weight of the ballast.
  • the displacement means comprise first means for moving the auxiliary frame in the main frame along a longitudinal axis and second means for moving the ballast in the auxiliary frame along a lateral axis.
  • the stabilizing device comprises a guide spar which extends into a through-opening of the ballast to guide it.
  • a guide spar which extends into a through-opening of the ballast to guide it.
  • the work machine is stabilized in a practical and fast manner, which allows greater freedom of movement of the working member. Security is also improved. The gauge of the railway is not exceeded.
  • the stabilization method comprises a step of measuring the stability of the frame.
  • the position of the ballast in the horizontal plane is determined to improve the stability.
  • the stability measurement is performed by measuring the mechanical forces on the railway wheels.
  • the working machine 1 is adapted to perform railway work, in particular, a maintenance operation at height (structure, catenary, substation) in operated railway.
  • the work machine 1 is multifunctional and is capable of performing heterogeneous tasks. For this purpose, it must be able to work over a wide angular range of inclination as will be presented later.
  • the work machine 1 comprises a frame 2, preferably made of metal, and a plurality of ground displacement members 3 connected to said frame 2.
  • the displacement members 3 are in the form of axles, but It goes without saying that wheels, tracks or the like could be suitable.
  • the work machine comprises rail displacement means, in particular, railway wheels.
  • the frame 2 has dimensions defining a railway gauge adapted to extend on only one railway track.
  • the working machine 1 further comprises a working member 4, comprising a proximal end 40 connected to said frame 2 and a distal end adapted to extend at a distance from said frame 2 at a higher altitude than the frame 2 at an altitude lower than that of the frame 2.
  • the working member 4 is in the form of an articulated arm and is adapted to extend cantilevered to reach positions distant in height.
  • the chassis 2 comprises a stabilization device 5 configured to increase the stability of the working machine 1 as a function of the position of the working member 4.
  • the stabilization device 5 makes it possible to maintain the center of gravity of the chassis 2 in a dynamically acceptable position range so that the work machine 1 remains balanced. The risk of overturning is thus reduced and the working range of the working member 4 is increased significantly.
  • the stabilizing device 5 comprises a main frame 50 defining a horizontal plane PH, an auxiliary frame 51 mounted in said main frame 50, a ballast 52 mounted in said auxiliary frame 51 and displacement means configured to move the ballast 52 in said horizontal plane PH.
  • the stabilization device 5 further comprises a control module (not shown) configured to changing the position of the ballast 52 in said horizontal plane PH as a function of the position of the distal end of the working member 4 in order to increase the stability of the working machine 1.
  • the main frame 50 defining a horizontal plane PH.
  • the main frame 50 has in this example a rectangular shape and comprises two longitudinal longitudinal members 501 extending along an axis X and two side members 502 extending along an axis Y.
  • the X, Y axes are orthogonal and define the horizontal plane PH .
  • the main frame 50 further comprises two abutment members 503 which extend parallel to the side rails 502 and are located therebetween.
  • the auxiliary frame 51 is adapted to move longitudinally along the X axis in the space defined between the longitudinal longitudinal members 501 and the stop rails 503.
  • the longitudinal longitudinal members 501 of the auxiliary frame 50 are adapted to guide the auxiliary frame 51 according to the X axis and to prohibit any deflection along the Y axis.
  • the auxiliary frame 51 has in this example a rectangular shape and comprises two longitudinal spars 511 extending along an axis X and two lateral spars 512 extending according to A Y axis.
  • the auxiliary frame 51 further comprises a guide spar 513 which extends parallel to the side rails 512 and is located therebetween. As illustrated in figure 4 each side face of the guide spar 513 comprises a guide rail 516.
  • the longitudinal members of the main frame 50 and the auxiliary frame 51 are preferably made of metal, but it goes without saying that other materials could be suitable, in particular, composite materials.
  • the main frame 50 has a length of the order of 9m and a width of the order of 3m.
  • the auxiliary frame 51 has, for its part, a length of the order of 7m and a width of the order of 2.8m.
  • the stabilizing device 5 comprises first moving means 6 configured to move the auxiliary frame 51 in a motorized manner relative to the main frame 50.
  • the first displacement means 6 are configured to carry out a movement according to the invention.
  • longitudinal axis X and are connected between a lateral spar 502 of the main frame 50 and a lateral spar 512 of the auxiliary frame 51 as illustrated in FIG. figure 3 .
  • the lateral stop spar 503, situated on the passage of the first displacement means 6, comprises an opening 506 in which said first displacement means 6 extend as illustrated in FIG. figure 3 .
  • the first displacement means 6 comprise a jack 61, preferably double acting, and a chain 62.
  • a jack 61 preferably double acting
  • a chain 62 preferably double acting
  • the cylinder 61 is configured to provide a thrust of at least 770 kg.
  • the speed of movement of the auxiliary frame 51 can reach 0.3 m / s.
  • each longitudinal spar 511 of the auxiliary frame 51 comprises two guide rollers 515 which cooperate with a rail supported by a longitudinal spar 501 of the main frame 50. Nevertheless, it goes without saying that other guide means along the longitudinal axis X could agree.
  • the first moving means 6 extend in the horizontal plane PH in order to limit the space requirement and to limit the mechanical and dynamic stresses.
  • the ballast 52 is in the form of a parallelepiped extending longitudinally along the axis X and laterally along the axis Y.
  • the length of the ballast 52 is between 200 cm and 400 cm, its width is between 100 cm and 280 cm and its thickness is between 5 cm and 100 cm.
  • the ballast 52 has a mass of between 1 t and 4 t, in particular 2.6 t, and is preferably produced in a material having a high density, in particular steel.
  • the ballast 52 has a through opening 520 extending along the axis Y so as to allow support of the ballast 52 by the guide spar 513 of the auxiliary frame 51.
  • the ballast 52 is guided at ends by the side rails 512 and the guide rail 513. It goes without saying that several guide rails 513 could be provided to support the ballast 52.
  • the ballast 52 comprises two guide rollers 525 ( Figure 8 ) which cooperate with rails supported by the side members 512, 513 of the auxiliary frame 51.
  • the ballast 52 comprises two pairs of guide rollers 525 to cooperate with two guide rails 516 supported by the lateral guide spar 513 of the auxiliary frame 51.
  • the ballast 52 is supported and Optimally guided by the lateral guide beam 513. Nevertheless, it goes without saying that other guide means along the longitudinal axis Y may be suitable.
  • the stabilizing device 5 comprises second displacement means 7 configured to motorize the ballast 52 relative to the auxiliary frame 51.
  • the second displacement means 7 are configured to perform a movement according to the invention.
  • lateral axis Y and are connected between the longitudinal longitudinal members 511 of the auxiliary frame 51 as illustrated in FIG. figure 6 .
  • the second displacement means 7 comprise two jacks 71, preferably double-acting, and a chain 72. Such a structure is advantageous as previously described.
  • the speed of movement of the ballast 52 can reach 0.3 m / s.
  • the second moving means 7 extend in the horizontal plane PH in order to limit the space requirement and to limit the mechanical and dynamic stresses.
  • the stabilizing device 5 further comprises a control module (not shown) adapted to control the movement of the ballast 52 in the main frame 50.
  • the control module is connected, on the one hand, to the first displacement means 6 to allow displacement along the longitudinal axis X and, on the other hand, to the second displacement means 7 to allow displacement along the lateral axis Y.
  • the control module is connected to means for measuring the position of the distal end of the working member 4 with respect to the frame 2.
  • each working member 4 is telescopic and is equipped with angular sensors. Also, the position of the distal end is obtained by measuring the telescoped length and measuring the angular tilt values in a horizontal and vertical reference.
  • each working member 4 is telescopic by means of a cable associated with a winder. The telescoped length is measured by means of the winder which provides the cable length unwound at a given moment.
  • the control module is connected to means for measuring the stability of the machine.
  • the control module is connected to means for measuring the inclination of the frame 2 with respect to a reference horizontal plane which is independent of the machine 1.
  • the control module is connected to means for measuring the mechanical forces applied to the chassis 2 wheel wheels. reversal is high.
  • the control module determines a displacement of the ballast in order to increase the stability measurement of said machine 1.
  • the Command parameters can be entered in a command table or obtained by self-learning.
  • the machine 1 comprises a frame 2 and two working members 4 each comprising, at a distal end, a nacelle 41 adapted to accommodate operators (only one nacelle 41 shown in FIG. figure 9 ).
  • Each nacelle 41 can accommodate a mass of 300kg and is able to be moved up to 9.5 meters in height and up to 4 meters lateral offset.
  • the machine 1 further comprises a working member 4 fulfilling a crane function and which is adapted to carry a load of 150 kg up to 8.5 meters in height and up to 4 meters lateral offset .
  • the machine 1 further comprises a skid mat (not shown) having a thrust capacity 500kg.
  • Such a machine 1 is thus configured to perform heterogeneous tasks in the same railway area.
  • the stabilization module 5 prevents any reversal and this, even for significant offsets.
  • the method comprises a step of measuring the position of the distal end of the working member 4 with respect to the frame 2.
  • the method then comprises a step of determining, by the control module, a position of the ballast 52 in the horizontal plane PH which improves the stability
  • the method comprises a step of moving the ballast 52, by the displacement means 6,7, to the determined position.
  • the stabilization method is implemented in real time to ensure a dynamic balance ensuring stability.
  • the nacelle 41 lateral maximum offset to the left with the ballast 52 positioned to the right to ensure stability.
  • the chassis 2 is stabilized during a forward offset (stabilizing moment in offset before 0.3 tm), backward (stabilizing moment rearward rearward 2.6 tm) or lateral (stabilizing moment in offset before 2 , 9 tm).
  • a work machine 1 can be internally stabilized without resorting to means increasing its bulk. Also, advantageously, the vehicle can remain in the rail gauge to perform maintenance steps, which allows the operation of adjacent rail tracks.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Agricultural Machines (AREA)
EP18204611.0A 2017-11-07 2018-11-06 Gerät zum arbeiten in der höhe und stabilisierungsmethode eines solchen geräts Active EP3480159B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1760458A FR3073216B1 (fr) 2017-11-07 2017-11-07 Engin de travail en hauteur et methode de stabilisation d'un tel engin

Publications (2)

Publication Number Publication Date
EP3480159A1 true EP3480159A1 (de) 2019-05-08
EP3480159B1 EP3480159B1 (de) 2021-09-08

Family

ID=61003170

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18204611.0A Active EP3480159B1 (de) 2017-11-07 2018-11-06 Gerät zum arbeiten in der höhe und stabilisierungsmethode eines solchen geräts

Country Status (2)

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EP (1) EP3480159B1 (de)
FR (1) FR3073216B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113276896A (zh) * 2021-06-08 2021-08-20 中国铁建电气化局集团有限公司 一种接触网上部结构智能安装设备

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009020509A1 (en) * 2007-08-06 2009-02-12 Extendquip, Llc Extendable frame work vehicle
DE102016106432A1 (de) * 2016-04-08 2017-10-12 Bernhard Hunklinger Arbeitsmaschine in Form eines Baggers oder Krans

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009020509A1 (en) * 2007-08-06 2009-02-12 Extendquip, Llc Extendable frame work vehicle
DE102016106432A1 (de) * 2016-04-08 2017-10-12 Bernhard Hunklinger Arbeitsmaschine in Form eines Baggers oder Krans

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113276896A (zh) * 2021-06-08 2021-08-20 中国铁建电气化局集团有限公司 一种接触网上部结构智能安装设备

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Publication number Publication date
EP3480159B1 (de) 2021-09-08
FR3073216A1 (fr) 2019-05-10
FR3073216B1 (fr) 2020-07-17

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