EP2922998A1 - Degarnisseuse double flux et double sens et procedes de renouvellement de ballast et de traverses - Google Patents
Degarnisseuse double flux et double sens et procedes de renouvellement de ballast et de traversesInfo
- Publication number
- EP2922998A1 EP2922998A1 EP13808084.1A EP13808084A EP2922998A1 EP 2922998 A1 EP2922998 A1 EP 2922998A1 EP 13808084 A EP13808084 A EP 13808084A EP 2922998 A1 EP2922998 A1 EP 2922998A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ballast
- train
- renewal
- new
- wagons
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000011282 treatment Methods 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 4
- 239000008187 granular material Substances 0.000 abstract 1
- 238000009412 basement excavation Methods 0.000 description 17
- 239000000463 material Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000012216 screening Methods 0.000 description 5
- 230000035882 stress Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000012958 reprocessing Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
- E01B27/06—Renewing or cleaning the ballast in situ, with or without concurrent work on the track
- E01B27/10—Renewing or cleaning the ballast in situ, with or without concurrent work on the track without taking-up track
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
- E01B27/06—Renewing or cleaning the ballast in situ, with or without concurrent work on the track
- E01B27/11—Renewing or cleaning the ballast in situ, with or without concurrent work on the track combined with concurrent renewal of track components
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/06—Transporting, laying, removing or renewing sleepers
Definitions
- the invention lies in the field of railway machines and processes for the maintenance of railways, including the total or partial renewal of the ballast.
- RGB Renewal of Track (rails and sleepers) and Ballast
- LTV Temporary Speed Limitation
- LTV rate limit speed on a section of track subject to LTV.
- VAD Vehicle Auto unloader.
- ballast bed of a railroad is subject to aging as the tonnage has circulated on the track and gradually loses its particle size, mechanical and geometric properties. It must be maintained and renewed periodically, in the context of a Ballast Renewal alone, associated or not with a Renewal of crossties and / or rails (RGB).
- a specialized railway wagon known as a straightener comprising two ends, a front end and a rear end, which two ends are defined by the direction of advance of the work train, is conventionally used.
- a conventional stripping machine is capable of excavating used ballast, screening it, reloading the reusable ballast so as to raise the track and evacuating the non-reusable ballast, called "lands", to dump cars equipped with top conveyors and hitched to the front of the straightener in the direction of the progress of the yard.
- the most recent straighteners allow in addition to unloading new ballast supplied by ballast cars also hitched to the straightener but at the rear.
- Such a stripper is able to handle four streams of materials:
- internal flow to the machine means a flow of material which remains confined within the stripper
- exital flow a flow of material from or discharged to storage cars.
- a flow of material is in practice conveyed by conveyor belt from one location to another of the stripping machine or to or from a service train consisting essentially of storage wagons.
- the stripper receives the new ballast stream from its rear end, from ballast cars equipped with unloading conveyors (VAC), and evacuates the non-reusable ballast from its front end to dumpers with upper conveyors. (WAC).
- ballast cars equipped with unloading conveyors (VAC)
- WAC unloading conveyors
- Traditional ballast boats can be unloaded from ballast by hoppers at the bottom but must be loaded by shovel, and WACs can be loaded from above by conveyor belt but must be unloaded by shovel.
- the stripper is hitched to two sets of storage cars, one at the front to receive the "land", the other at the rear storing the new ballast.
- VADs self-unloading wagons
- the length of a RB yard implementing a conventional straightener is limited by the carrying capacity of the cars, itself limited by the maximum length of a train.
- the length of the RB train is also penalizing when one wants to carry out in the same shipyard simultaneously (that is to say in the same working day) the renewal of the ballast and the sleepers, the current technology of the renewal trains ballast or sleepers that can not achieve high returns due to the distance between RB and RT operations.
- the laying machine is supplied with sleepers from the front of the train and in RB trains, the non-reusable ballast transport wagons are also located at the front of the straightener. Consequently, whatever the order in which the work is carried out, a train of wagons will always be interposed between the cross-laying machine and the stripping machine.
- the sites of RB and RT are separated by a distance D, at least equal to the length of a supply train of sleepers or non-reusable ballast cars, which can be large, typically several hundred meters.
- the more we try to increase the daily renewal performance the longer the length of the interleaved train increases and therefore the distance D increases, the longer the duration T of The offset increases, and the working time of RT and RB decreases, that is, the daily output of the RB + RT worksite decreases.
- the operations of RB and RT are therefore never performed simultaneously (ie the same day) on a given area, but scheduled for two consecutive workdays.
- ballast treated used ballast that has been treated to make it reusable; this ballast may be returned to track, possibly mixed with new ballast,
- the aim of the invention is to eliminate these disadvantages.
- a ballast stripping machine capable of excavating used ballast of a railway line and reloading said new ballast track, said stripping machine having a first and a second end, and comprising means for evacuating all or part of the used ballast and receive new ballast at the same end.
- the essential characteristic of the stripping machine according to the invention consists in the fact that it is able to evacuate used ballast and receive new ballast at the same end, whether it is the front end or the 'rear end. Most often it will be the rear end.
- the stripping machine may further comprise means for evacuating all or part of the used ballast at one end and receiving new ballast at another end.
- the stripper according to the invention retains the ability to evacuate used ballast and to receive new ballast at different ends, for example to receive new ballast from behind and to evacuate "lands" from the front.
- the stripping machine may comprise an excavator wagon and a ballast treatment wagon, these wagons being able to be coupled to one another. This allows to distribute the means of excavation and ballast treatment and therefore the load on two different chassis.
- the straightener may further comprise:
- ballast means for treating the used ballast and separating it into reusable treated ballast and non-reusable ballast, only the non-reusable ballast being evacuated, and means for discharging the reconditioned ballast on the track simultaneously with the new ballast.
- the stripping machine according to the invention also has the capacity to treat the used ballast and in particular to screen it to separate it into non-reusable ballast, to be discharged, and treated reusable ballast, which can be unloaded again on track.
- the stripping machine according to the invention may comprise means for unloading the new ballast first and the ballast over the new ballast layer.
- the stripping machine comprises, for example, at least two ballast discharge hoppers, one acting first for the discharge of new ballast at the bottom of the trench, that is to say at the level of the zones of the trench. the most sought after (under the sleepers), the other, second in charge, for the discharge of ballast treated at the level of the areas where the ballast undergoes the least constraints, such as the side benches or the boxes between sleepers. This optimizes the distribution of the new ballast.
- the second hopper can also discharge a mixture of treated ballast and new ballast.
- the invention also relates to a ballast renewal train comprising a stripping machine according to the invention.
- This train of work can obviously include other elements such as one or more motor, transport and storage cars and other types of wagons, such as energy supply wagon.
- the straightener in this ballast renewal train, can be coupled by only one of its ends, including the rear end, to a train of aggregates transport wagons.
- the straightener has two wagons, including an excavator wagon and a ballast wagon, at the end of the stripping machine is meant the end of one wagon located opposite the other wagon.
- the train of aggregates transport cars may comprise first means for receiving aggregates from the stripping machine, for example the "lands", and convey them to fill said wagons.
- one and / or the other of these means may / may be common (s) to the entire train, or part of the train, or be individual wagon by car.
- the stripper can receive new ballast from the train of wagons using the first conveying means,
- non-reusable ballast will be evacuated and dumped into empty cars to avoid the mixing of used ballast and new ballast, these empty cars may have previously contained new ballast already discharged on the track. These wagons are therefore common to the transport of new ballast and non-reusable ballast.
- the first and second conveying means are also used as a base: the second conveying means makes it possible to load the wagons of the train in new ballast from a single loading point, and the first conveying means makes it possible to unload the ballast not reusable. Both operations can even be conducted simultaneously, like the RB method, which provides a time saving base.
- the length of such a train RB is substantially divided by two compared to a train of RB comprising a single-straightener straightener, which represents a considerable advantage; it can also be said that the length of track that can be treated, with equal train length, is substantially doubled.
- the system is very flexible: wagons can be hitched to the front or rear of the straightener. They can even be hitched on both sides of the straightener.
- the invention also relates to a train work train comprising a ballast renewal train according to the invention and a train renewal of associated ties within the same renewal site.
- the distance D (typically D ⁇ 100 m) is considerably reduced and it becomes constant whatever the daily efficiency required because it depends only on the distance between the stripping machine and the laying machine. sleepers, there are no more wagons intercalated between these machines; an increase in the daily output does not result in an increase in distance D between yards; consequently, the loss of time T is low and invariable, and the treatment of the same zone in RT and RB becomes possible with high efficiency,
- ballast - New ballast can be added to the old ballast screened by the stripping machine when laying the track behind the stripping chain; the channel treated in RB + RT is thus restored to an altitude close to the final altitude, and with a nearly completed ballast profile; as a result the LTV rate after work is higher,
- ballast renewal train and the train for renewing ties can be coupled to one another.
- the RT and RB trains are routed together or separately on the site, but they follow each other as closely as possible during the work phase, ideally both machines (the straightener and the tie laying machine). ) be coupled to each other.
- the invention also relates to a method of renewing the ballast of a portion of a railway track, using the same machine to excavate the ballast and discharge ballast on the portion of the railway track.
- the machine common to the two excavation operations of the used ballast and the new ballast, possibly mixed with treated ballast, is a suitable stripping machine.
- the method may comprise the following step:
- ballast balancer to receive new ballast in a stripping machine and simultaneously to evacuate used ballast from the straightener at the same end of the ballast balancer and in opposite directions.
- this method makes it possible to have only a single train of storage cars in a train of RB, and therefore to substantially halve the train length of RB, for the same length of track. treated.
- the new ballast may be received from a train of cars and the used ballast may be simultaneously discharged to the same train of cars, coupled to one end of said stripper.
- the method may comprise the step of:
- Used ballast is not usually fully won; it undergoes reprocessing steps (washing, screening, crushing of larger blocks %) in order to recompose its particle size and separate it into unusable ballast and reusable ballast.
- the new ballast can be unloaded in track before the treated ballast.
- the new ballast is discharged in "trench bottom", that is to say under the sleepers, in the zone which undergoes the strongest stresses.
- the treated ballast is then discharged at the surface, in a zone that undergoes less stress, such as the side benches. It is also possible to unload a mixture of new ballast and surface-treated ballast. This optimizes the use of new ballast.
- the method of RB is combined with an RT site, that is to say that it further comprises the step or succession of steps consisting of:
- the step of renewing the sleepers is performed before the steps of renewing the ballast.
- the method optimizes the arrangement of the new ballast and ballast treated and reused during the reworking; a construction site following the RB construction site would destroy this arrangement.
- the method of RB comprises the following step:
- the process uses a single train of storage and transport cars for the delivery of the new ballast and the winner of the non-reusable ballast. Conversely, this single train, on returning from a work period, can be emptied of the non-reusable ballast by the first transfer means and filled again with new ballast thanks to the second transfer means, these operations being able to be carried out simultaneously, providing This saves a lot of time.
- FIG. 1 schematically represents a portion of the RB train without the addition of new ballast (state of the art)
- FIG. 2 represents a train of RT and a train of RB on the same site (state of the art)
- FIGS. 3A and 3B respectively represent an example of a train of RB using a two-way double flow straightener according to the invention and schematically the circulation of the ballast,
- FIGS. 4A and 4B respectively represent another example of a train of RB using a two-way double flow straightener according to the invention and schematically the circulation of the ballast,
- FIGS. 5A and 5B are respectively enlarged views of FIGS. 3A and 3B,
- FIG. 6 represents a train of RT and a train of RB according to the invention on the same site
- FIGS. 7A and 7B illustrate a car with double-flow aggregates, respectively in elevation and in cross-section,
- FIG. 8 represents the cross section of a track infrastructure obtained after implementation of a state-of-the-art RB method
- FIG. 9 represents the cross section of a track infrastructure obtained after implementation of the RB method according to the invention.
- Figure 1 illustrates a portion of RB train of the state of the art, the direction of travel being from the right to the left of the figure. It includes, from right to left:
- a screening zone 104 in which the reusable ballast 52 is separated from the non-reusable ballast 53.
- the treated and reusable ballast 52 is returned to track, the non-reusable ballast 53 is returned to dumpers (not shown) located at the before the train,
- Such a train does not include a new ballast car, the track is made with a very low level and therefore with a low LTV rate.
- New ballast must be added in one or more passes by a ballast train, which extends the period during which this LTV applies.
- FIG. 8 The RB methods of the state of the art lead to a transverse channel profile illustrated in FIG. 8: it can be seen that there remains an old ballast "sole" 51, above which a layer of treated ballast 52, which is under the cross members 55, so in the area of higher stress. A new layer of ballast 54 has been discharged over this layer of used ballast 52, so that this new ballast is located between the cross members 55 and bench, which is not an optimal use of this ballast new.
- FIG. 2 illustrates a combined crossing and ballast renewal worksite on which an RT 200 train and a state-of-the-art RB 100 train are simultaneously working.
- the arrow F represents the direction of movement of these trains (from right to left in the figure).
- the train of RT comprises a train 201 of railcar transport and storage of sleepers hitched to the front of a machine 202 for crossing renewal.
- This train operates according to the principle of "constant mass", that is to say that the train of cars 201 stores both new sleepers and used sleepers; this train does not run with empty cars.
- the RB 100 train includes a train 101 of non-reusable ballast storage cars hitched to the front of a stripper 102.
- a new train of ballast cars (not shown) may be hitched to the rear of the straightener 102. .
- FIG. 3A represents a part of a train of RB comprising a stripping machine 302 according to the invention, comprising a first end or front end 302a and a second end or rear end 302b.
- An energy wagon 2 is coupled to the front of the straightener 302, in the direction of progression of the site represented by the arrow F, and a train 301 of double-wagon cars 400, described below, is hitched to the rear of the dégarnisseuse.
- the trimmer 302 includes two cars, an excavation car 310 and a ballast car 330, both of which may or may not take the form of two separate machines.
- FIG. 3B schematically represents the available conveyors and the routing of the different ballast flows in this constitution of the RB train; the new ballast flows are shown in solid lines and the old ballast flows are shown in broken lines.
- FIG. 4A shows a train of RB using the same elements but constituted differently: this time the train of double-stream wagons 301 is coupled to the front of wagon energy 2, no wagon being hitched to the rear of the wagon. 302.
- Figure 4B schematically shows the available conveyors and the flow of different ballast flows in this constitution of the RB train.
- the power unit (s) is / are hitched to the train 301, but this time to the front of the train.
- FIGS 3A, 3B, 4A and 4B illustrate the versatility of the stripper 302 which will now be described in more detail with reference to Figures 3A to 5B.
- the excavator car 310 comprises an excavator 311 which extracts the old ballast, which generates an excavated old ballast stream 321 rearwardly.
- This ballast is taken up by an excavated ballast conveyor 311a belonging to the excavator car 310, then by a conveyor 331 belonging to the treatment car 330, in the upper part.
- This old ballast may either be completely driven to the train of cars 301 by a conveyor 333a, in the absence of any reprocessing, or, in the example shown, to a double screen 339 for reprocessing the ballast (screening) located in the 330 ballast treatment wagon and in which it falls by gravity.
- This screen has the particular function of separating excavated ballast stream 321 into:
- a reusable ballast stream 322 taken up by a conveyor 332 belonging to the processing car 330, and a conveyor 312 belonging to the excavation car 310 to be directed forwards towards an unloading point 325 of track ballast, situated behind the excavator 311,
- ballast stream 323 (the "land"), taken by a conveyor 333b to be driven back to the train of cars 301 and be taken by the first conveyor 420 in the upper part of these wagons 400.
- the new ballast stream 324 comes from the train of cars 400 by the second conveyor 440 of these cars, in the lower part of the ballast cars 400, Lagro forwards.
- This flow is taken up by a conveyor 334 belonging to the wagon 330, also in the lower part and by a conveyor 314 belonging to the excavator 310.
- the conveyors 332 and 334 and 312 and 314 are not distinguishable because they are arranged one next to the other in a horizontal plane.
- ballast and reusable treated ballast streams 322, both from the rear of the excavation car 310, are discharged at point 325 of ballast unloading.
- ballast conveyors each managing these two flows separately.
- the new ballast conveyor 314 is placed in front of the reusable ballast conveyor 312 in the working direction of the machine so as to obtain these two distinct layers.
- the conveyors can be oriented laterally in order to unload their contents on the heads of external sleepers or even directly on the poultry bench ⁇ ie old ballast.
- the double 339 screen is only one example of the treatments that can be applied to the old ballast in a treatment wagon.
- the invention applies to treatments such as washing, crushing ... the important thing is that the treatment wagon (s) is / are located behind the excavation wagon in the direction of travel of the vehicle. train during the work, ie between the excavation car 310 and the train of cars 301.
- FIGS. 4A and 4B illustrate the operation of the RB train in another configuration, in which the train 301 of ballast cars is this time coupled to the energy wagon 2, in front of it.
- the energy car is provided with two conveyors, a top conveyor 21 at the top thereof, and a bottom conveyor 22 at the bottom.
- the excavated ballast stream 321 is taken up by the excavated ballast conveyors 311a belonging to the excavation car and 331 belonging to the treatment car 330 and directed towards the rear. He falls by gravity into the double sieve 339.
- the excavated ballast stream is separated into: a reusable ballast flow 322, taken up by the conveyor 332 belonging to the treatment car 330, and the conveyor 312 belonging to the excavation car 310 to be directed forward towards the unloading point 325 of track ballast, located denial of the excavator 311,
- ballast stream 323 taken up by a conveyor 313 belonging to the excavation car 310 to be driven forward towards the train of cars 301 and to be taken back first by the high conveyor 21 of the energy wagon 2, then by the first conveyor 420 of the wagons 400.
- the new ballast stream 324 comes from the train 301 of cars 400 by the second conveyor 440 of these wagons, in the lower part of the ballast cars 400, from front to rear. This flow is taken up by the low conveyor 22 of the energy wagon, then by a conveyor 314 belonging to the excavation wagon 310.
- the stripper 302 can also be used in a conventional configuration, in which it is coupled to a train of wagons at each end, for example a first train of wagons carrying new ballast coupled to the rear, the "land "Being evacuated in a second train of cars hitched to the front, or a reverse arrangement, the new train of ballast being coupled to the front and the" lands "being evacuated to the rear.
- FIG. 6 illustrates a combined crossing and ballast renewal site on which a state-of-the-art RT 200 train and a RB 300 train according to the invention are simultaneously working.
- the train of RT is unchanged with respect to FIG. 2.
- the train of RB now comprises a stripper 302 according to the invention, that is to say double flow, capable of evacuating the non-reusable ballast 53 and simultaneously receive the new ballast 54 at the same end (by the rear end in Figure 6).
- a stripper 302 to this stripper 302 is coupled to this stripper 302 to this stripper 302 to this stripper 302 to this stripper 302 to this stripper 302 to this stripper 302 to this stripper 302 to this stripper 302 to this stripper 302 to this stripper 302 to this stripper 302 to this stripper 302 to this stripper 302 to this stripper 302 to this stripper 302 to this stripper 302 to this stripper 302 to this stripper 302 to this stripper 302 to this stripper
- the distance D which separates the replacement zone of sleepers 203 from the ballast stripping zone 103 may be much smaller than the distance D of the state of the art because no wagon comes to interpose between 202 machine replacing
- the trains 200 and 300 can be slaved so that this distance D remains constant.
- the machine 202 for replacing sleepers and the scraper 302 can be coupled.
- the train 301 includes wagons transporting aggregates (ballast or "lands") coupled to each other. It includes one or more conveyor (s) located in the lower part of the wagons, under the openings of the boxes of these wagons, intended for the emptying of the wagons, and one or more conveyor (s) located (s) upper part of the wagons, intended for the loading of these wagons.
- the train 301 as a whole is therefore a double flow, an outgoing flow (emptying of the crates by the low conveyor) and an inflow (filling crates by the conveyor up).
- the invention proposes several embodiments of such a double-stream train:
- each of the wagons is double flow, that is to say that each wagon comprises a high conveyor and a low conveyor, each intended to cooperate with the corresponding conveyor of the adjoining wagon,
- the train 301 is composed of one or more cluster (s) wagons that share a high conveyor 420 and a low conveyor 440, these conveyors each extending continuously over the entire cluster; such a cluster of wagons is not easily separable and must be used as is.
- the invention also relates to any hybrid variant, for example:
- a cluster of wagons comprising unitary upper conveyors for each wagon and a continuous low conveyor
- a cluster of wagons comprising unitary low conveyors for each wagon and a continuous high conveyor.
- the double-flow wagon 400 is intended to be part of a cluster of wagons which share a first high conveyor 420 and a second low conveyor 440. It comprises a ballast box 410 , a part of a first belt conveyor 420 at the top of the wagon, part of a second belt conveyor 440 at the bottom of the wagon and a "train" 430 slidably mounted along the first conveyor 420, which will be described more far.
- the first and second belt conveyors 420 and 440 are common to a cluster of identical cars 400, with the difference that the two end wagons of a train have referrals for the conveyor belts, and that one of the cars 400 must have a motorization for one or both conveyors. It follows that the cluster of wagons, which shares two belt conveyors 420, 440, is not easily separable, it is built for the needs of a site and must be used as is.
- the wagon 400 of FIG. 7B is filled with aggregates 56 which, as will be seen later, may alternatively be new ballast 54 or non-reusable ballast 53.
- the first belt conveyor 440 located under the boxes 410 of the wagons comprises a continuous band 441a, 441b which extends along the wagon bundle and which has a load portion 441a and a return portion 441b empty return.
- This conveyor belt 441a, 441b is driven by a motor (not visible) located for example on an end wagon of the train of cars.
- the loading part 441a receives the aggregates that escape the orifices of the ballast crates when the corresponding hatch is in the open position, so it passes closer to these orifices.
- the empty return portion 441b passes at the axes of the wheels of the wagons.
- the second belt conveyor 440 discharges the new ballast on the conveyor 334 of the treatment wagon 330 or on the conveyor 314 of the excavator wagon 310 of the balancer 302, following the constitution of the RB train.
- the second belt conveyor 420 has a continuous band 421a, 421b which extends along the train of cars and which has a load portion 421a and a no-load return portion 421b.
- This conveyor belt is driven by a motor (not visible) located for example on an end car of the cluster of cars.
- the belt conveyors 420, 440 are deep trough conveyors, for example made of rubber, which enables them to cross without intermediate support the space between two adjacent wagons.
- the "troll” 430 is provided to deflect the trajectory of the aggregates so that they can pour successively into each car, or into each compartment of each car. It comprises for example a carriage which raises the load part 421a of the first belt conveyor 420 and makes it perform two half-turns (Z-path); during the first half turn, the aggregates are poured onto a deflector 460 covering this portion of load and fall into a wagon.
- the "troll” 430 is movable along the first conveyor 420 so as to be able to dump ballast into each car of the cluster.
- train 301 of car 400 is coupled to the 302 and used as follows:
- the first belt conveyor 440 retrieves the new ballast 54 from the wagons 400 loaded with new ballast and supplies the stripper 302 and, simultaneously, the second belt conveyor 420 receives the non-reusable ballast. 53 from the straightener 302; as illustrated in FIG. 6, the wagons 400 are filled with non-reusable ballast 53 as they empty new ballast 54,
- the operation is reversed: the first conveyor belt 440 empties 400 cars of the reportable ballast not returned from the yard, and the second conveyor belt 420 can fill again the new ballast cars as and when as they empty themselves of non-reusable ballast.
- the new ballast 54 is located under the sleepers, in the zone of greater stress.
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Abstract
Description
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Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1261175A FR2998589B1 (fr) | 2012-11-23 | 2012-11-23 | Degarnisseuse double flux et double sens et procedes de renouvellement de ballast et de traverses. |
PCT/FR2013/052796 WO2014080122A1 (fr) | 2012-11-23 | 2013-11-20 | Degarnisseuse double flux et double sens et procedes de renouvellement de ballast et de traverses |
Publications (2)
Publication Number | Publication Date |
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EP2922998A1 true EP2922998A1 (fr) | 2015-09-30 |
EP2922998B1 EP2922998B1 (fr) | 2018-01-31 |
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ID=47714300
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP13808084.1A Active EP2922998B1 (fr) | 2012-11-23 | 2013-11-20 | Degarnisseuse double flux et double sens et procedes de renouvellement de ballast et de traverses |
Country Status (3)
Country | Link |
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EP (1) | EP2922998B1 (fr) |
FR (1) | FR2998589B1 (fr) |
WO (1) | WO2014080122A1 (fr) |
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FR3097571B1 (fr) | 2019-06-18 | 2021-07-02 | Matisa Materiel Ind Sa | SystÈme de criblage de ballast à deux cribles |
FR3097570B1 (fr) | 2019-06-18 | 2022-12-16 | Matisa Materiel Ind Sa | Système de criblage de ballast à deux cribles et deux répartiteurs |
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IT1214197B (it) * | 1987-08-04 | 1990-01-10 | Danieli Off Mecc | Sistema per alimentare ed evacuare in continuo materiali in operazioni di risanamento piattaforme ferroviarie e simili. |
AT394530B (de) * | 1990-02-15 | 1992-04-27 | Plasser Bahnbaumasch Franz | Schuettgutverladewagen |
AT3879U3 (de) * | 2000-06-09 | 2001-03-26 | Plasser Bahnbaumasch Franz | Maschine zur erneuerung eines gleises |
DK1249537T3 (da) * | 2001-04-12 | 2007-08-13 | Gsg Knape Gleissanierung Gmbh | Fremgangsmåde til fornyelse af ballastlag og sporbehandlingstog til dennes gennemförelse |
AT505679B1 (de) * | 2007-09-05 | 2009-07-15 | Swietelsky Baugesellschaft M B | Schienenfahrzeug zur gleisunterbausanierung |
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2012
- 2012-11-23 FR FR1261175A patent/FR2998589B1/fr active Active
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2013
- 2013-11-20 EP EP13808084.1A patent/EP2922998B1/fr active Active
- 2013-11-20 WO PCT/FR2013/052796 patent/WO2014080122A1/fr active Application Filing
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Also Published As
Publication number | Publication date |
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FR2998589B1 (fr) | 2018-02-02 |
FR2998589A1 (fr) | 2014-05-30 |
EP2922998B1 (fr) | 2018-01-31 |
WO2014080122A1 (fr) | 2014-05-30 |
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