US1137848A - Electric locomotive. - Google Patents

Description

G. M., EATON. ELECTRIC LOCOMOTIVE- APPLICATION FILED Auem. I913.

Patented May 4, 1915.

-| NTOR WITNESSES:

GEORGE M. EATON, OF PITTSBURGH, PENNSYLVANIA, ASSIGNOR TO WESTINGHOUSE ELECTRIC AND MANUFACTURING COMPANY, A CORPORATION OF PENNSYLVANIA.

ELECTRIC LOCOMOTIVE.

menses.

Specification of Letters Patent.

Patented May a, 1915.

Application filed August 11, 1913. Serial No. 784,050.'

citizen of the United States, and a resident of Pittsburgh, in the county of Allegheny and State of Pennsylvania, have invented a new and useful Improvement in Electric Locomotives, of which the following is a specification.

My invention relates to electric locomotives which are propelled by relatively large driving motors, and it has special reference to the construction of the running gear frame of. such locomotives.

One of the objects of my invention is to provide a running gear frame for locomotives of the above indicated class which shall be light and durable in construction, and particularly adapted for preventing skewing of the frame by maintaining the parts thereof rigidly in position.

' Another object of my invention is to provide a plurality of cast rectangular frames or bedplates which shall be secured between the side frames of the running gear structure in such manner as to serve both as crossties for joining and squaring the side frames and also as supporting structures for the driving units.

In the accompanying drawings, Figure 1 is a view, partially in section and partially in side elevation, of a portion of a locomotive embodying my invention, certain parts thereof being removed for the sake of clearness. Fig. 2 is an end elevation, partially in section, of the structure shown in Fig. l, the section being taken along the plane 11-11 and Fig. 3 is a plan view of a portion of the running gear structure.

Referring to the drawing, the cab 2 of a locomotive 1 is resiliently and pivotally mounted, in the usual manner, upon a running gear 3 comprising a frame or supporting structure 4, a plurality of driving wheels 5, a plurality of bogie trucks 6 and a plurality of driving motors 7 which are mounted upon the supporting structure 4: and are adapted to drive the wheels 5 through the agency of gears 8, jack shafts 9 and side rod connections 10, in a well-know manner.

The running gear supporting structure 4 comprises a plurality of longitudinal side frames 11, which are provided with suitable openings to receive journal boxes 12 of the driving wheel axles 13, and to accommodate the ack shafts 9. Between the side frames 11 are a plurality of substantially rectangular hollow bedplates or divided cross-ties 14, which preferably are cast as an integral member and embody channel-shaped cross portions 16 having bosses or supporting blocks 17 and longitudinal portions 18 having upwardly projecting bearing pedestals 19 which project somewhat outwardly and overhang the side frames 11. The several bedplates or divided cross-ties 14 are securely bolted or otherwise attached to the side frames 11, and, by reason of their integral construction, they serve effectively to prevent any longitudinal movement or skewing of the side frames 11. Further-- more, the rectangular members 14 also serve to support the driving motors 7, the armature shafts 20 of which are carried in suitable bearings upon the bearing pedestals 19, While the motor frames 21 are independently supported upon suitable lugs or cars 22 which rest upon the bearing blocks or bosses 17 and are attached thereto.

The bearing pedestals 19 are arranged to overhang the side frames in order to provide lateral space for the accommodation of the motor armatures. I Obviously, many modifications in the structural details and location of parts may be effected without departing from the spirit and scope of my invention, and such modifications are intended to be covered by the appended claims.

I claim as my invention:

1. A locomotive structure comprising side frames and a plurality of integral divided cross ties secured between the side frames and adapted to support the driving motors.

2. In a locomotive structure, the combination with a plurality of longitudinal side frames, of a substantially rectangular hollow casting having side and end members disposed between and cross-bracing said frames, and a driving motor having an armature supported upon said side members and a frame supported directly upon said end members.

3. In a locomotive structure, the combination with longitudinal side frames, of an integral member having spaced cross ties and side bearing pedestalsrigidly-secured between said s de frame, and a driving motor having an armature supported upon said pedestals and a frame supported directly upon said cross ties.

4. In a locomotive structure, the combination with longitudinal side frames, of a rectangular bedplate disposed between said frames and attached vthereto and having side-bearing pedestals, a motor armature supported upon said pedestals and a motor frame supported upon the cross members of said bedplates.

5. In a locomotive structure, the combination with longitudinal side frames, and a plurality of independent rectangular memsubscribed my name this 80th day of July, 1913.

GEORGE M. EATON. Witnesses:

G. R. GURIN, B. B. HINES.

portions of said rectangular mem-

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