US1403478A - Transformer-tank base - Google Patents
Transformer-tank base Download PDFInfo
- Publication number
- US1403478A US1403478A US427451A US42745120A US1403478A US 1403478 A US1403478 A US 1403478A US 427451 A US427451 A US 427451A US 42745120 A US42745120 A US 42745120A US 1403478 A US1403478 A US 1403478A
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- base
- tank
- transformer
- fastened
- members
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
Definitions
- ROBERT V. BINGAY 0F PITTSBURGH, PENNSYLVANIA, ASSIGNOR 'IO PITTSBURGH TRANSFORMER COMPANY, A CORPORATION OF PENNSYLVANIA.
- This invention relates to base supports for electrical transformers and particularly for oil-cooled transformers contained in a tank.
- the object ofthe invention is to provide a base built up of standard stock in simple and inexpensive manner.
- transformer tank base must be of a size and strength particularly adapted for the size and weight of the. transformer structure.
- Large oil-cooled transformers are especially designed for the requirements of special 1nstallation so that there are a large variety of types and sizes and such transformers are not usually carried in stock but are built to order.
- the transformer bases correspondingly vary in size and strength and it is highly desirable to produce these bases qu ckly and without first having to make expensive patterns.
- the transformer base may be made of standard stock out to length and fastened together according to the specifications of each 1ob.
- the base is also strong and firmly fastened to the transformer tank so as to form a rlgid unit therewith and there is no shlftmg between the tank and the base.
- FIG. 1 is a plan vlew of a base
- Figs. 2 and 3 are end and sectional vlews respectively of the base shown in Flg. 1,
- Fig. 4 1s a plan view of a modified form
- Figs. 5 and 6 are end and sectional views respectively of the base shown in Fig. 4.
- the base is formed of lengths of angle bars fastened, together to form a rectangular frame.
- Side angle bars 10 and 11 have fiat faces at the top and inside'and are fastened to the 'cross bars 12 surfaces of the side ba1-s10 and 11 so that a grid-like structure is formed having flat faced side and cross pieces.
- the lower surface of the base is formed by the edges of the side and cross bars. It is often desirable where the spaces between the cross bars are large to provide an auxiliary grid of strips 15 fastened across the cross bars.
- the corners of the base are provided with abutments formed by building up steel plates.
- a plate 20 has a flat portion 21 resting on the top of the base and carries an upward ,extendin plate 22 bent into segmental form to con orm to the periphery of the tank.
- Welded to this segment 22 are the inclined plates ,23 sloping downward and riveted to the corners of the frame and meeting in a ridge 24 extending radially inward from the corner.
- the lifting bolts for the tank and base pass down through holes 14 in the corner pieces and the stresses in lifting are distributed by the cross and side beams strengthened and stiffened by the built up corner abutments.
- the flat top surface gives a large surface for the transformer tank bottom to rest on while at the same time the grid-like formation provides an open structure wherein water and moisture will not collect between the base and the transformer tank bottom to cause rusting and erosion.
- the base structure of this invention is built up from different lengths of bar and sheet or plate, stock and the size and shape of the basecan easily be varied by varying the lengths and sizes of the pieces.
- a modified form of base is shown particularly adapted for larger transformers.
- the side and cross pieces are formed by I-beams and channels connected together by right angled cleats 16 fitting the webs at the joints.
- the cross bars 17 are fitted within the flanges of the side bars 18 making very strong and rigid joints and at each corner of the base are abutments formed by angle bars 30 bent into segmental form and riveted in place on the side, end and cross pieces.
- the vertical flange 31 of this angle bar segment faces inwardly and has riveted to it the plate 32 conforming to the eriphery of the transformer tank- ⁇ and astened to the lower band of the tank.
- This angle bar forms a very rigid stiffening and strengthening means for the frame baise aiding in distributing any stresses at the corners so that the base is prevented from warping.
- the lifting bolts for the base and transformer tank are secured to lifting members fastened in the frame corners.
- the base of this construction definitely positions the tank and secures it rigidly to the base, the corner securing abutments being also used to stiffen the base against bending.
- the whole base structure may be built up from standard stock so that the sizes and proportions of the various parts may be easily varied to meet the specifications of each particular job.
- a base comprising a pair of side members of metal stock out to length and having vertical and horizontal webs, a series of tank supporting cross members of metal stock fitting between the inner portions of said side members and fastened thereto to form a rigid grid-like structure having the upper surfaces of the several members flush with each other, and corner pieces extending from the end pieces diagonally across the spacing members and fastened thereto to form reinforcements, the base being adapted to be lifted as a unit by lifting pressure at its corners.
- a base comprising a pair of side members of metal stock out to length and having vertical and horizontal webs, a series of tank supporting cross members of metal stock fitting between the inner portions of said side members and fastened thereto to form a rigid grid-like structure having the upper surfaces of the several members flush with each other, and angle shaped corner pieces extending from the end pieces. diagonally across the spacing members to form reinforcements, one web of the-angle being fastened to the end piece and each of the cross members crossed thereby.
- a base for a transformer tank the combination with a pair of side members of metal stock cut to length, of cross members of similar stock cut to length to fit between the side members and fastened thereto to form a grid-like structure, and corner abutments comprising segments on the surface of said base and extending around the tank and having vertical reinforcing webs adapted to engage the sides of the tank.
- a base for a transformer tank the combination with a pair of side members of metal stock cut to length, of cross members of similar stock cut to length to fit between the side members and fastened thereto to form a grid-likestructure, corner abutments comprising segments extending around the tank and having vertical reinforcing webs adapted to engage the sides of the tank, and inclined plates fastened to the base members and to said segments.
Description
R. V. BINGAY.
TRANSFORMER TANK BASE.
APPLICATION mu) NOV. 30. 1920.
Patented Jan. 17, 1922.
2 SHEETS-SHEET 1- R. V. BINGAY.
TRANSFORMER TANK BASE.
APPLICATION FILED NOV.30. 1920.
1 ,403,478, Patented Jan. 17,, 1922.
ZSflEETS-SHEET 2.
UNITED STATES PATENT OFFICE.
ROBERT V. BINGAY, 0F PITTSBURGH, PENNSYLVANIA, ASSIGNOR 'IO PITTSBURGH TRANSFORMER COMPANY, A CORPORATION OF PENNSYLVANIA.
TRAN SFORMER-TAN K BASE.
Specification of Letters Patent. Patent d J 17 1 2 Application filed November 30, 1920. Serial No. 427,451.
'To all whom it may concern:
Be it known that I, ROBERT V. BrNoAY, a citizen of the United States, residing at Pittsburgh, in the county of Allegheny and State of Pennsylvania, have invented certain new and useful Improvements in Transformer-Tank Bases, of which the following is a specification. v
. This invention relates to base supports for electrical transformers and particularly for oil-cooled transformers contained in a tank. The object ofthe invention is to provide a base built up of standard stock in simple and inexpensive manner.
. To avoid waste of material and space the transformer tank base must be of a size and strength particularly adapted for the size and weight of the. transformer structure. Large oil-cooled transformers are especially designed for the requirements of special 1nstallation so that there are a large variety of types and sizes and such transformers are not usually carried in stock but are built to order. The transformer bases correspondingly vary in size and strength and it is highly desirable to produce these bases qu ckly and without first having to make expensive patterns.
In the structure of this invention the transformer base may be made of standard stock out to length and fastened together according to the specifications of each 1ob. The base is also strong and firmly fastened to the transformer tank so as to form a rlgid unit therewith and there is no shlftmg between the tank and the base.
In the accompanying drawings illustrating the invention- Fig. 1 is a plan vlew of a base,
Figs. 2 and 3 are end and sectional vlews respectively of the base shown in Flg. 1,
Fig. 4 1s a plan view of a modified form,
and
Figs. 5 and 6 are end and sectional views respectively of the base shown in Fig. 4.
In the specific embodiment of the invention shown in Fig. 1 the base is formed of lengths of angle bars fastened, together to form a rectangular frame. Side angle bars 10 and 11 have fiat faces at the top and inside'and are fastened to the 'cross bars 12 surfaces of the side ba1-s10 and 11 so that a grid-like structure is formed having flat faced side and cross pieces. The lower surface of the base is formed by the edges of the side and cross bars. It is often desirable where the spaces between the cross bars are large to provide an auxiliary grid of strips 15 fastened across the cross bars.
The corners of the base are provided with abutments formed by building up steel plates. At each corner a plate 20 has a flat portion 21 resting on the top of the base and carries an upward ,extendin plate 22 bent into segmental form to con orm to the periphery of the tank. Welded to this segment 22 are the inclined plates ,23 sloping downward and riveted to the corners of the frame and meeting in a ridge 24 extending radially inward from the corner. These corner abutments not only position the tank on the base but are fastened to the lower tank hoop to hold the tank against tipping on the base. The lifting bolts for the tank and base pass down through holes 14 in the corner pieces and the stresses in lifting are distributed by the cross and side beams strengthened and stiffened by the built up corner abutments. The flat top surface gives a large surface for the transformer tank bottom to rest on while at the same time the grid-like formation provides an open structure wherein water and moisture will not collect between the base and the transformer tank bottom to cause rusting and erosion. The base structure of this inventionis built up from different lengths of bar and sheet or plate, stock and the size and shape of the basecan easily be varied by varying the lengths and sizes of the pieces.
In Fig. 4 a modified form of base is shown particularly adapted for larger transformers. In this construction the side and cross pieces are formed by I-beams and channels connected together by right angled cleats 16 fitting the webs at the joints. The cross bars 17 are fitted within the flanges of the side bars 18 making very strong and rigid joints and at each corner of the base are abutments formed by angle bars 30 bent into segmental form and riveted in place on the side, end and cross pieces. The vertical flange 31 of this angle bar segment faces inwardly and has riveted to it the plate 32 conforming to the eriphery of the transformer tank-{and astened to the lower band of the tank. This angle bar forms a very rigid stiffening and strengthening means for the frame baise aiding in distributing any stresses at the corners so that the base is prevented from warping. The lifting bolts for the base and transformer tank are secured to lifting members fastened in the frame corners.
The base of this construction definitely positions the tank and secures it rigidly to the base, the corner securing abutments being also used to stiffen the base against bending. The whole base structure may be built up from standard stock so that the sizes and proportions of the various parts may be easily varied to meet the specifications of each particular job.
I claim 1. A base comprising a pair of side members of metal stock out to length and having vertical and horizontal webs, a series of tank supporting cross members of metal stock fitting between the inner portions of said side members and fastened thereto to form a rigid grid-like structure having the upper surfaces of the several members flush with each other, and corner pieces extending from the end pieces diagonally across the spacing members and fastened thereto to form reinforcements, the base being adapted to be lifted as a unit by lifting pressure at its corners.
2. A base comprising a pair of side members of metal stock out to length and having vertical and horizontal webs, a series of tank supporting cross members of metal stock fitting between the inner portions of said side members and fastened thereto to form a rigid grid-like structure having the upper surfaces of the several members flush with each other, and angle shaped corner pieces extending from the end pieces. diagonally across the spacing members to form reinforcements, one web of the-angle being fastened to the end piece and each of the cross members crossed thereby.
3. In a base for a transformer tank the combination with a pair of side members of metal stock cut to length, of cross members of similar stock cut to length to fit between the side members and fastened thereto to form a grid-like structure, and corner abutments comprising segments on the surface of said base and extending around the tank and having vertical reinforcing webs adapted to engage the sides of the tank.
at. In a. base for a transformer tank the combination with a pair of side members of metal stock cut to length, of cross members of similar stock cut to length to fit between the side members and fastened thereto to form a grid-likestructure, corner abutments comprising segments extending around the tank and having vertical reinforcing webs adapted to engage the sides of the tank, and inclined plates fastened to the base members and to said segments.
ROBERT V. BINGAY.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US427451A US1403478A (en) | 1920-11-30 | 1920-11-30 | Transformer-tank base |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US427451A US1403478A (en) | 1920-11-30 | 1920-11-30 | Transformer-tank base |
Publications (1)
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US1403478A true US1403478A (en) | 1922-01-17 |
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US427451A Expired - Lifetime US1403478A (en) | 1920-11-30 | 1920-11-30 | Transformer-tank base |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3076231A (en) * | 1959-03-31 | 1963-02-05 | Thomas D Vertin | Method and means of body development procedures and the making of master models |
US5991940A (en) * | 1997-09-18 | 1999-11-30 | Fortier; Denis | Base structure for above-ground swimming pool |
-
1920
- 1920-11-30 US US427451A patent/US1403478A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3076231A (en) * | 1959-03-31 | 1963-02-05 | Thomas D Vertin | Method and means of body development procedures and the making of master models |
US5991940A (en) * | 1997-09-18 | 1999-11-30 | Fortier; Denis | Base structure for above-ground swimming pool |
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