EP0879749B1 - Device for handling of bulk material loads in a wagon - Google Patents
Device for handling of bulk material loads in a wagon Download PDFInfo
- Publication number
- EP0879749B1 EP0879749B1 EP98401037A EP98401037A EP0879749B1 EP 0879749 B1 EP0879749 B1 EP 0879749B1 EP 98401037 A EP98401037 A EP 98401037A EP 98401037 A EP98401037 A EP 98401037A EP 0879749 B1 EP0879749 B1 EP 0879749B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wheel
- wagon
- buckets
- waggon
- bulk material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D15/00—Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D47/00—Loading or unloading devices combined with vehicles, e.g. loading platforms, doors convertible into loading and unloading ramps
-
- 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
Definitions
- the present invention relates to the handling of loads in bulk which may be contained in dump wagons.
- the set of stones, detritus and wet clay forms a mass extremely compact especially when this mass is subject to the rolling vibrations of a wagon in which it was loaded wet.
- Unloading wagons containing such masses is found extremely difficult even when the dump cars are equipped with a loading and unloading system because the systems known so far cannot allow to start the compacted mass.
- the invention creates a new device which makes possible the unloading of masses of any compactness without intervention manual.
- the device for handling a load of bulk products contained in a wagon is characterized in that that the body is provided, in its lower part, with a sheet of semi-cylindrical shape whose diameter corresponds to the inner width of the wagon and the diameter of the part peripheral of a wheel comprising buckets with a function of strawberry, said buckets projecting laterally to constitute knives penetrating the load of bulk products and said wheel being supported by a gantry ensuring its movement axial over the entire useful loading part of the wagon.
- Fig. 1 is a side elevation of a dump wagon applying the invention.
- Fig. 2 is an end elevation corresponding to the Fig. 1.
- Fig. 3 is a very enlarged schematic section seen substantially along line III-III of FIG. 1.
- Fig. 1 illustrates a dump car 1 carried by bogies 2.
- Wagon 1 has a box 3 with side edges each forming a rack raceway 4 for rollers 5 of a gantry 6 movable axially over all the length of the tank 7 delimited by the body 3 of the wagon.
- the wagon In a manner known in itself, the wagon is provided, at the upper part of its body, a transporter 8 for the loading respectively unloading of products in bulk to be contained in the tank 7.
- the transporter 8 is of the belt and roller type motorized or driven by a chain or other means well known in the art.
- the wagon is advantageously provided with an auxiliary conveyor 9 with articulated and pivoting boom so that this auxiliary conveyor makes it possible to handle bulk products from transporter from a wagon to that of a contiguous wagon similarly that the evacuation of bulk products from the wagon to outside.
- Gantry 6 supports a wheel 10 with shovels or buckets 11 extending radially along a curvature chosen for generate with the longitudinal displacement an effect of milling by the leading edge of the buckets brought into contact with the mass of a load of bulk products to be worked.
- the drawing schematically illustrates that the wheel has in the example represented twelve buckets 11 connected by chains 12.
- the buckets 12 extend laterally for example by 5 cm about to form knives helping to penetrate into the mass of the bulk product load.
- the wheel is mounted on a crown.
- the wheel is provided on its rear face with a rear shield 13 extending to the upper part of the body 3 of the wagon.
- the shield 13 laterally supports a guide plate 14 having a flared bottom edge 14 a to facilitate the passage of the bulk products seized by the successive buckets.
- the sheet 14 forms a weir 14b which extends to above the conveyor 8, this weir directing the bulk products flowing from the buckets 11 when they are at the top of the circumferential trajectory traversed by the wheel 10.
- wheel 10 In order for wheel 10 to act like a cutter, it is moved by geared motors 15 (fig. 1), for example two, which cooperate with the raceway 4 of the upper part of body 3 of the wagon. To do this the way bearing 4 is fitted with racks.
- Fig. 3 shows that the bottom of the wagon consists of a sheet 16 of semi-cylindrical shape coming in the immediate vicinity of the peripheral part of the buckets 11.
- the space left free between the sheet 6 and the body 3 is advantageously used for housing tanks 17 containing in particular fuel for the supply of different motors necessary for the operation of the excavator wheel described which is moved over the entire useful length of the car.
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Vehicle Body Suspensions (AREA)
- Loading Or Unloading Of Vehicles (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
- Filters For Electric Vacuum Cleaners (AREA)
- Chain Conveyers (AREA)
- Disintegrating Or Milling (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Handcart (AREA)
Abstract
Description
La présente invention concerne la manutention des charges en vrac pouvant être contenues dans des wagons tombereaux.The present invention relates to the handling of loads in bulk which may be contained in dump wagons.
Certaines matières en vrac tendent à s'agglomérer lorsqu'elles séjournent dans des wagons tombereaux qu'il est souvent très difficile de décharger.Certain bulk materials tend to agglomerate when they are in dump cars that it is often very difficult to unload.
C'est le cas notamment des matériaux en vrac ayant servi à la constitution de la plate forme pour voies de chemin de fer. En effet, les pierres sont souvent mélangées à des détritus et sont aussi imprégnées notamment de glaise.This is particularly the case for the bulk materials used for the creation of the platform for railway tracks. Indeed, the stones are often mixed with trash and are also impregnated in particular with clay.
L'ensemble pierres, détritus et glaise humide forme une masse extrêmement compacte en particulier lorsque cette masse est soumise aux vibrations de roulement d'un wagon dans lequel elle a été chargée humide.The set of stones, detritus and wet clay forms a mass extremely compact especially when this mass is subject to the rolling vibrations of a wagon in which it was loaded wet.
Le déchargement des wagons contenant de telles masses s'avère extrêmement difficile même lorsque les wagons tombereaux sont munis d'un système de chargement et déchargement car les systèmes connus jusqu'à présent ne peuvent pas permettre d'entamer la masse compactée.Unloading wagons containing such masses is found extremely difficult even when the dump cars are equipped with a loading and unloading system because the systems known so far cannot allow to start the compacted mass.
Le problème concerné par un tel déchargement a d'ailleurs été bien indiqué dans le document WO 93 23 276 A qui énonce à la page 2, lignes 10-12 que, "du fait que les matériaux sont contenus entre deux parois fixes de la caisse des wagons, le convoyeur est susceptible de n'entraíner qu'une partie des matériaux, l'autre partie demeurant en place par effet de voûte". The problem concerned with such an unloading was moreover well indicated in document WO 93 23 276 A which states at the page 2, lines 10-12 that, "because the materials are contained between two fixed walls of the wagon body, the conveyor is likely to cause only part of the materials, the other part remaining in place by vaulted".
Cependant, le document antérieur ci-dessus ne résoud pas complètement le problème et n'évite pas qu'il est souvent nécessaire d'utiliser des marteaux piqueurs pour permettre la division de la masse compactée.However, the above prior document does not resolve completely the problem and does not avoid that it is often necessary to use jackhammers to allow the division of the compacted mass.
L'invention crée un nouveau dispositif qui rend possible le déchargement de masses de compacité quelconque sans intervention manuelle.The invention creates a new device which makes possible the unloading of masses of any compactness without intervention manual.
Conformément à l'invention, le dispositif de manutention d'une charge de produits en vrac contenue dans un wagon est caractérisé en ce que la caisse est munie, à sa partie basse, d'une tôle de forme semi-cylindrique dont le diamètre correspond à la largeur intérieure du wagon et au diamètre de la partie périphérique d'une roue comportant des augets à fonction de fraise, lesdits augets débordant latéralement pour constituer des couteaux pénétrant dans la charge de produits en vrac et ladite roue étant supportée par un portique assurant son déplacement axial sur toute la partie utile de chargement du wagon.According to the invention, the device for handling a load of bulk products contained in a wagon is characterized in that that the body is provided, in its lower part, with a sheet of semi-cylindrical shape whose diameter corresponds to the inner width of the wagon and the diameter of the part peripheral of a wheel comprising buckets with a function of strawberry, said buckets projecting laterally to constitute knives penetrating the load of bulk products and said wheel being supported by a gantry ensuring its movement axial over the entire useful loading part of the wagon.
Diverses autres caractéristiques de l'invention ressortent d'ailleurs de la description détaillée qui suit.Various other features of the invention emerge moreover from the detailed description which follows.
Une forme de réalisation de l'objet de l'invention est représentée, à titre d'exemple non limitatif, au dessin annexé.One embodiment of the subject of the invention is shown, by way of nonlimiting example, in the drawing Annex.
La fig. 1 est une élévation latérale d'un wagon tombereau faisant application de l'invention.Fig. 1 is a side elevation of a dump wagon applying the invention.
La fig. 2 est une élévation d'extrémité correspondant à la fig. 1.Fig. 2 is an end elevation corresponding to the Fig. 1.
La fig. 3 est une coupe schématique très agrandie vue sensiblement suivant la ligne III-III de la fig. 1. Fig. 3 is a very enlarged schematic section seen substantially along line III-III of FIG. 1.
La fig. 1 illustre un wagon-tombereau 1 porté par des bogies
2. Le wagon 1 comporte une caisse 3 avec des bords latéraux
formant chacun un chemin de roulement 4 à crémaillère pour
des galets 5 d'un portique 6 déplaçable axialement sur toute
la longueur de la cuve 7 délimitée par la caisse 3 du wagon.Fig. 1 illustrates a dump car 1 carried by bogies
2. Wagon 1 has a
D'une manière connue en elle-même, le wagon est muni, à la
partie haute de sa caisse, d'un transporteur 8 pour le
chargement respectivement le déchargement des produits en
vrac devant être contenus dans la cuve 7. Le transporteur 8
est du type à bande et rouleau motorisé ou entraíné par une
chaíne ou d'autres moyens bien connus dans la technique.In a manner known in itself, the wagon is provided, at the
upper part of its body, a
Le wagon est avantageusement muni d'un convoyeur auxiliaire 9 à flèche articulée et pivotante pour que ce convoyeur auxiliaire rende possible la manutention des produits en vrac du transporteur d'un wagon vers celui d'un wagon contigu de même que l'évacuation des produits en vrac du wagon vers l'extérieur.The wagon is advantageously provided with an auxiliary conveyor 9 with articulated and pivoting boom so that this auxiliary conveyor makes it possible to handle bulk products from transporter from a wagon to that of a contiguous wagon similarly that the evacuation of bulk products from the wagon to outside.
Le transporteur 8 de même que le convoyeur auxiliaire 9 étant bien connus en eux-mêmes, ils ne sont pas décrits de façon détaillée. Il doit toutefois être observé qu'il est important que le transporteur 8 soit muni d'une sole escamotable pour permettre selon les besoins :
- de charger le wagon, la sole étant en position haute et le
tapis du
transporteur 8 à plat sur la longueur de la sole ; - de permettre le passage des produits vers les wagons
suivants, la sole étant alors en position basse et le tapis
du
transporteur 8 conservant alors sa forme en auge.
- load the wagon, the sole being in the high position and the
conveyor belt 8 flat along the length of the sole; - allow the passage of products to the following wagons, the sole then being in the low position and the
conveyor belt 8 then retaining its trough shape.
Le portique 6 supporte une roue 10 à pelles ou augets 11
s'étendant radialement suivant une courbure choisie pour
engendrer avec le déplacement longitudinal un effet de
fraisage par le bord d'attaque des augets amenés en contact
avec la masse d'une charge de produits en vrac devant être travaillée.Gantry 6 supports a
Le dessin illustre schématiquement que la roue comporte dans
l'exemple représenté douze augets 11 reliés par des chaínes
12. Les augets 12 débordent latéralement par exemple de 5 cm
environ pour constituer des couteaux aidant à pénétrer dans
la masse de la charge de produits en vrac. La roue est montée sur une couronne.The drawing schematically illustrates that the wheel has in
the example represented twelve buckets 11 connected by
La roue est munie sur sa face arrière d'un bouclier arrière
13 s'étendant jusqu'à la partie haute de la caisse 3 du
wagon. Le bouclier 13 supporte latéralement une tôle de
guidage 14 présentant, un bord inférieur évasé 14a pour
faciliter le passage des produits en vrac saisies par les
augets successifs.The wheel is provided on its rear face with a
A son autre extrémité, la tôle 14 forme un déversoir 14b qui
s'étend jusqu'au-dessus du transporteur 8, ce déversoir
dirigeant les produits en vrac s'écoulant des augets 11
lorsqu'ils se trouvent à la partie supérieure de la
trajectoire circonférentielle que parcourt la roue 10.At its other end, the
Pour que la roue 10 agisse comme une fraise, elle est
déplacée par des moto-réducteurs 15 (fig. 1), par exemple
deux, qui coopèrent avec le chemin de roulement 4 de la
partie haute de la caisse 3 du wagon. Pour ce faire le chemin
de roulement 4 est muni de crémaillères.In order for
A titre d'exemple, pour assurer une bonne pénétration de la roue à augets ou roue-pelle décrite ci-dessus, il est avantageux qu'une force de l'ordre de 400 à 500 kN soit exercée sur la masse de la charge de produits en vrac à extraire. For example, to ensure good penetration of the bucket wheel or shovel wheel described above, it is advantageous that a force of the order of 400 to 500 kN is exerted on the mass of the load of bulk products to be extracted.
La fig. 3 montre que le fond du wagon est constitué par une
tôle 16 de forme semi-cylindrique venant à proximité immédiate
de la partie périphérique des augets 11.Fig. 3 shows that the bottom of the wagon consists of a
Comme cela ressort de ce qui précède à la fin de chaque cycle
de travail, les déblais chargés dans le wagon sont
systématiquement repris par la roue pelle, rechargés sur les
convoyeurs 8 et envoyés sur le convoyeur 9 orienté pour
évacuer ces déblais latéralement en décharge.As is evident from the above at the end of each cycle
work, the cuttings loaded in the wagon are
systematically taken up by the shovel wheel, recharged on the
L'espace laissé libre entre la tôle 6 et la caisse 3 est
avantageusement mis à profit pour le logement de réservoirs
17 contenant notamment du fuel pour l'alimentation des
différents moteurs nécessaires au fonctionnement de la roue-pelle
décrite qui est déplacée sur toute la longueur utile du
wagon.The space left free between the sheet 6 and the
La réalisation décrite ci-dessus fait que les produits en vrac se trouvant dans le wagon peuvent être détachés quelles que soient leur viscosité et leur compacité puisque les augets travaillent comme des fraises.The realization described above means that the products in bulk in the wagon can be detached whatever their viscosity and their compactness since the buckets work like strawberries.
L'invention n'est pas limitée à l'exemple de réalisation, représenté et décrit en détail, car diverses modifications peuvent y être apportées sans sortir de son cadre ainsi que cela est défini dans les revendications.The invention is not limited to the embodiment, shown and described in detail because various modifications can be made without departing from its framework as well as this is defined in the claims.
Claims (9)
- Device for handling a bulk material load contained in a waggon, characterized in that the body (3) is provided, at the lower part thereof, with a sheet metal (16) of a semicylindrical shape having a diameter corresponding to width of the waggon and to diameter of the peripheral portion of a wheel(10) comprising buckets (11) with a milling function, said buckets projecting laterally for forming a set of knives entering the bulk material load, and said wheel (10) being supported by means of a gantry support (6) ensuring its axial displacement on all the useful waggon loading portion.
- Device according to claim 1, characterized in that the waggon is moreover provided with at least one conveyor (8) extending axially and passing inside the wheel (10).
- Device according to one of claims 1 and 2, characterized by a guiding sheet metal (14) extending on a part of the wheel (10) in the inside thereof, the guiding sheet metal forming a flared lower edge (14a) at its lower part and a weir (14b) at its upper part, said weir extending above the conveyor (8).
- Device according to one of claims 1 to 3, characterized by a shield (13) arranged inside the wheel (10).
- Device according to one of claims 1 to 4, characterized in that the gantry support (6) is supported by a rolling track (4).
- Device according to one of claims 1 to 4, characterized in that the gantry support (6) which carries the wheel (10) is operated by means of motors for pushing the buckets (11) with a milling function.
- Device according to one of claims 1 to 6, characterized in that the buckets (11) are connected by means of chains (12).
- Device according to claim 5, characterized in that the wheel (10) is moved by means of geared motors (15) which co-operate with the rolling track (4).
- Device according to claim 8, characterized in that the rolling track (4) is provided with racks.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9705477 | 1997-05-02 | ||
FR9705477A FR2762821B1 (en) | 1997-05-02 | 1997-05-02 | DEVICE FOR HANDLING BULK LOADS CONTAINED IN A WAGON |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0879749A1 EP0879749A1 (en) | 1998-11-25 |
EP0879749B1 true EP0879749B1 (en) | 2002-03-13 |
Family
ID=9506560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98401037A Expired - Lifetime EP0879749B1 (en) | 1997-05-02 | 1998-04-28 | Device for handling of bulk material loads in a wagon |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0879749B1 (en) |
AT (1) | ATE214346T1 (en) |
DE (2) | DE69804151T2 (en) |
FR (1) | FR2762821B1 (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE930214C (en) * | 1952-06-01 | 1955-07-11 | Philipp Dipl-Ing Linz | Vehicle, especially rail vehicle, for the transport of fine-grained goods, in particular coal dust |
DE2403010A1 (en) * | 1974-01-23 | 1975-07-31 | Wieger Maschbau | Viscous material loading and unloading machine - has lengthwise conveyor with transverse conveyor below, sliding in lengthwise direction |
FR2691420B1 (en) * | 1992-05-19 | 1995-06-16 | Abrf | SELF-LOADING AND UNLOADABLE TRUCK WAGON. |
-
1997
- 1997-05-02 FR FR9705477A patent/FR2762821B1/en not_active Expired - Fee Related
-
1998
- 1998-04-28 AT AT98401037T patent/ATE214346T1/en not_active IP Right Cessation
- 1998-04-28 EP EP98401037A patent/EP0879749B1/en not_active Expired - Lifetime
- 1998-04-28 DE DE69804151T patent/DE69804151T2/en not_active Expired - Fee Related
- 1998-04-28 DE DE0879749T patent/DE879749T1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE69804151D1 (en) | 2002-04-18 |
ATE214346T1 (en) | 2002-03-15 |
FR2762821B1 (en) | 2001-02-09 |
FR2762821A1 (en) | 1998-11-06 |
EP0879749A1 (en) | 1998-11-25 |
DE69804151T2 (en) | 2002-10-24 |
DE879749T1 (en) | 1999-05-06 |
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