Material or article handling – Load-transporting type vehicle and external means... – Involving movement of load by gravity from wheeled vehicle
Patent
1981-08-13
1984-11-06
Reeves, Robert B.
Material or article handling
Load-transporting type vehicle and external means...
Involving movement of load by gravity from wheeled vehicle
1052412, 105250, 105284, 414387, B65G 6730, B61D 732, B61D 914, B61D 722
Patent
active
044809549
DESCRIPTION:
BRIEF SUMMARY
This invention relates to a bottom dump arrangement intended to be attached to a goods-holding space resting on an undercarriage. The goods-holding space preferably is a wagon body of an ore wagon, and the bottom dump arrangement comprises at least one pair of doors, which are at their remote edges pivotally attached for pivotal movement in a plane perpendicular to said edges. In the closed state of the doors, the door edges facing each other abut each other sealingly.
In a previously known bottom dump arrangement of the aforesaid type the doors are connected to the body via a simple joint. For the dumping operation the body must be lifted from the undercarriage in parallel therewith. The lifting can be effected either in that the wagon is moved past guide paths, which must be two in number and be located on both sides of the wagon, or by means of lift arms, which lift the body of the wagon when the wagon is standing still.
The system of double guide paths is relatively complicated and, therefore, expensive. The system comprising lift arms implies that the wagon has to be stopped for dumping, which lowers the dumping speed.
The principal object of the present invention is to provide a bottom dump arrangement of the kind referred to above, at which arrangement so-called rolling dumping can be carried out by means of simple guide paths on both sides of the wagon, because the body is not required to be lifted off the undercarriage in parallel therewith.
In the following an embodiment of the invention is described with references to the accompanying drawings, in which:
FIG. 1 is a partially sectional lateral view of a wagon equipped with the bottom dump arrangement according to the invention,
FIG. 2 is a vertical section through the wagon shown in FIG. 1,
FIG. 3 is a vertical section through a wagon shown in FIG. 1, the bottom doors thereof being open,
FIG. 4 is a plan view of the wagon shown in FIG. 1,
FIGS. 5, 5a, 5b show in detail the linkage supporting the doors,
FIG. 6 shows in detail how the supporting wheels of the doors abut guide bars in the undercarriage,
FIG. 7 is a plan view of the doors,
FIGS. 8, 8a are lateral and longitudinal views, respectively, of a guide path,
FIG. 9 is a plan view of a pair of guide paths,
FIGS. 10a, 10b, 11a, 11b, 12a, 12b show the wagon in different phases of dumping,
FIGS. 13a, 13b show details of another embodiment of the invention,
FIG. 14 shows a sealing detail between the doors, and
FIG. 15 shows the connection of the upper door edge to the body.
The wagon 1 shown in FIGS. 1-3 comprises a body 2 and an undercarriage 3 supporting the body. In the embodiment shown the undercarriage comprises wheels 4 abutting rails 5.
The body 2 is downwardly provided with a bottom dump arrangement 6 comprising doors 7, which are carried by supporting wheels 19 and controlled by a linkage 8.
FIGS. 1 and 2 the body 2 rests on the undercarriage 3, and its doors 7 are closed. In FIG. 3 the body is lifted relative to the undercarriage 3, and the doors 7 are open. The bottom dump arrangement is described in greater detail below.
The body 2 is provided with an insulating layer 9, in the outside of which a cover layer 10, for example of corrugated sheet metal, is provided.
Upwardly on the body 2 in FIG. 4 filler doors 11 are located. These doors are not a part of the main invention and, therefore, are not shown in detail.
The bottom dump arrangement 6, as already mentioned, comprises doors 7, which are connected to the body 2 and undercarriage 3 via a linkage 8. See FIGS. 5, 5a, 5b.
The linkage 8 comprises a yoke 12 with a bottom portion 12a formed as a sleeve and with two legs 13, which extend from the bottom portion 12a and at their ends remote therefrom are attached pivotally to the doors 7.
The doors 7 and the yoke 12 are pivotal in a curved path transverse to the body and perpendicular to the longitudinal direction of the wagon 1.
Between the legs 13 a sleeve 14 is rotatably mounted, and on the sleeve two fastening lugs 15 are attached, see especially FIG. 5b, between which one end of a l
REFERENCES:
patent: 28969 (1860-07-01), Cooley
patent: 3169491 (1965-02-01), Darlington et al.
patent: 3650221 (1972-03-01), Nagy
patent: 3717109 (1973-02-01), Miller
patent: 4207020 (1980-06-01), Schuller
patent: 4222334 (1980-09-01), Peterson
patent: 4250814 (1981-02-01), Stark et al.
Hubbuch David F.
Luossavaara-Kiirunavaara AB
Reeves Robert B.
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