US1870220A - Hot metal car - Google Patents

Description

Aug. 9, 1932- c. P. ASTROM 1,870,220

HOT METAL CAR I Filed Oct. 9, 1930 2 Sheets-Sheet 1 N INVENTOR CARL I? ASTROM BY Wow/(fl ATTORNEY 2 Sheets-Sheet 2 Aug. 9, 1932. c. P. ASTROM HOT METAL CAR Filed Oct. 9, 1930 iNVENTOR CARL R ASTROM minimum Patented Aug. 9, 1932 UNITE STA'lEd CARL P. ASTROM, OF EAST ORANGE, NEW' JERSEY, ASSIG-NOR- TO M.

eater Price TREAD'WELL COMPANY, OF NEW YORK, N. Y., A COETEGRATION F NEW YC-RK HOT TvIETflL CAR Application filed October 9, 1930.

This invention relates to hot metal ladle cars used to transport molten metal around blast furnaces and the like and is especially concerned with the design and construction of the ladle.

The object of the invention is to provide an upright ladle for cars of this type having maximum carrying capacity for given side and height clearances, which can easily be lined with standard shaped bricks, and is especially shaped at the too to reduce the area of molten metal exposed to the a vmosphere, to prevent splashing, and to facilitate uniform pouring of the entire contents.

In carrying out the invention the car is mounted on trucks of any suitable type, and

is provided with a frame having a central depressed portion and the usual cradles which support the ladle. The ladle itself is so constructed that its horizontal cross-section is rectangular, while its vertical cross-section both transversely and longitudinally is a truncated ellipse with the upper pouring opening overhanging the interior of the ladle.

A ladle constructed in this manner has a greater capacity than previous ladles of givon side and height clearances, and since its shape approaches the spherical the radiating surface is reduced to a minimum. At the same time the special shape of the ladle, with rec tangular horizontal cross-section, enables the interior to be lined with standard shaped bricks. At the upper open end of the ladle the walls converge and overhang the interior, reducing the exposed cooling area and minimizing the danger of splashing. Pouring spouts formed at the opening enable the entire contents to be discharged from either side of the ladle without danger of spilling the final drippings on the tracks or roadbed.

The invention will be described in connection with the accompanying drawings; in which:

Fig. 1 is a side elevation, partly in section, of a hot metal car embodying the invention;

ig. 2 is a transverse vertical section through the ladle; and

Fig. 3 is a plan view of the ladle with the left-hand portion sectioned up to the center.

In the drawings, the numerals 1 represent Serial No. 487,396.

the trucks on which are pivoted the frames 2 havii central depressed portions 3. Couare attached to the frames 2 in the nanner to provide for connecting the car to an engine or other cars.

Cradles 7 having bearing seats 8 are mounted on the raised portions of the frames 2 in any suitable manner. The metal holding body or ladle comprising top section 10, mi dle section 11, and bottom section 12, is adapted to be supported on the bearing seats 8 by means of the horizontally spaced trunnions which are aligned in pairs. The ladle is also equipped with aligned lifting trunnions 16 the axis of which is well above the horizontal axis or center of gravity of the ladle. The trunnions 16 are adapted to receive the lifting chain from a crane or other overhead carrier whereby the ladle may be lifted from the car and tilted. As the trunnions 16 are located above the horizontal axis of the ladle accidental tilting is prevented.

The trunnions 15 support and steady the ladle when the car is moving and also support the dle when it is desired to tilt it on t 1e car, he. g so arranged that the ladle may be tilted to either side of the car about the axis of either pair of aligned trunnions 15. Suitable tilting lugs 17 are provided on op posits sides of the ladle below the horizontal The ladle itself is substantially rectangular horizontal section as shown in Fig. 3, while the vertical section both transversely and longitudinally of the car is substantially a tr ncated ellipse as shown in Fig. 2. The l n f the body is flat and horizontal, while at the upper pouring opening the converging walls overhang the interior, thus rearea of molten metal exposed to the atmosphere and also reducing the danger f s ashing. The edge of this opening is provided on opposite sides with narrow central pouring spouts or slots whereby the molten metal may be poured from either side of the car.

An important advantage of the construction described above is that it may be lined with standard shaped bricks 18 arched or sprung between the top flange 19 and the bottom and gives the ladle a maximum capacity for given height and side clearances. This also obviates using special key bricks or fastenings to hold the lining in place. The body may be tilted about the trunnions 15 on either side without spilling any metal on or between the rails.

.I do not restrict myself to a ladle builtiin three sections, as it can be made in one or two sections and of cast or plate metal. Various other changes in details of construction may also be made without departing from the scope and spirit ofthe inventionas defined in the appended claims.

The invention claimed is:

1. In a hot metal car, a ladle having a substantially rectangular horizontal section and an elliptical vertical section with an opening at the top.

2. In a hot metal car, a ladle having a substantially rectangular horizontal section and a truncated elliptical vertical section with an opening at the top, and a pouring spout arranged centrally of said openingon at least one side of the ladle.

3. In ahotmetal car, a ladle having a substantially rectangular horizontal section and a truncated elliptical vertical section with an opening at the top which is bordered by a flange, a bottom lining, and side linings V sprung between the top flange and the bottom lining,

Signed at New York city in the county of New York and State of New York this 7th day of October, A. D. 1930.

CARL P. ASTROM.

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