US2058611A - Supporting means for pole type transformers and accessories - Google Patents

Supporting means for pole type transformers and accessories Download PDF

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Publication number
US2058611A
US2058611A US736878A US73687834A US2058611A US 2058611 A US2058611 A US 2058611A US 736878 A US736878 A US 736878A US 73687834 A US73687834 A US 73687834A US 2058611 A US2058611 A US 2058611A
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transformer
accessories
pole
body portion
supporting
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US736878A
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William S Merkle
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MOLONEY ELECTRIC CO
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MOLONEY ELECTRIC CO
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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/06Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type

Description

Oct. 27, 1936. w. s. MERKLE SUPPORTING MEANS FOR POLE TYPE TRANSFORMERS AND ACCESSORIES Filed July '25,. 1934 Patented Oct. 27, 1936 UNITED STATES PATENT OFFICE SUPPORTING MEANS FOR POLE TYPE TRANSFORMERS AND ACCESSORIES Application July 25, 1934, Serial No. 736,878

7 Claims.

This invention relates to structures that are used to mount or support a transformer and its accessories on a pole, and particularly to transformer mountings or supporting devices that are designed with a view to producing compactness and symmetry in the arrangement of the transformer and its accessories, such as lightning arresters, disconnect switches, fuse cut-outs, etc.

The main object of my invention is to provide a supporting means of the kind referred to, which, in addition to. enabling a pole type transformer and its accessories to be arranged compactly and in symmetrical arrangement, is of such design that adequate protection is afforded linemen or workmen during the operation of installing, removing or servicing a transformer mounted on a pole that carries high tension live wires. To this end I have devised a mounting for a pole type transformer and its accessories, that comprises a metal fixture which is adapted to be rigidly and permanently attached to the pole and which is equipped with a transformer supporting means and accessory supporting means so constructed and arranged that the transformer may be removed, applied or serviced without the necessity of making or unmaking one or more live wire line tap connections. Other objects and desirable features of my invention will be hereinafter pointed out.

Prior to my invention it was the usual practice either to mount a pole type transformer and its accessories on conventional wooden cross arms carried by the pole, or mount the accessories on supporting devices attached to the casing of the transformer. The first method above referred to has many disadvantages or objections, such as the impossibility of arranging the transformer and its accessories compactly and in symmetrical relation; the tendency to weaken the pole, due to an excessive number of cross arms or abnormally deep notches in the pole for receiving the cross arms, and the excessively high installation and. maintenance cost resulting fro-m the extra length and extra number of cross arms required and the inherent tendency of wooden cross arms to deteriorate. The second method above referred to has the very decided objection of exposing the workmen to danger during the operation of installing, removing or servicing a transformer on a pole that carries live wires, due to the necessity of making and also unmaking one or more live wire line tap connections before the transformer can be serviced. or changed or removed.

My improved mounting is superior to the mountings heretofore used. for pole type transformers and accessories, in that it consists of a unitary or self-contained metal fixture, separate and distinct from the pole cross arms, that is inexpensive to manufacture, easy to install, not injuriously affected by the elements, and of such design that although the transformer and the accessories are arranged compactly and in symmetrical relationship, a lineman or workman, is subjected to no danger in the operation of cutting off the supply of current to completely deenergize the transformer and its leads, or to electrically isolate the transformer and. its leads from the supply line or lines.

Figure 1 of the drawing is a front elevational view of my improved pole fixture for mounting a transformer and its accessories.

Figure 2 is a top plan view of said fixture; and

Figure 3 is a vertical longitudinal sectional view, taken on the line 3-3 of Figure 1.

In Figure 1 of the drawing A designates a wooden pole, B designates a conventional transformer and C designates transformer accessories which may consist of a lightning arrester, a circuit-breaking device, a fuse-cut-out, etc., said transformer and accessories being shown in broken lines. My improved mounting comprises a body portion D that is adapted to be rigidly and permanently attached to the pole A, a trans former supporting means on said body portion, and an accessory supporting means on said body portion, said parts or elements being combined in such a way as to form a complete self-contained mounting which supports the transformer and its accessories: in such mutual relation electrically as to permit cutting off the supply current to completely de-energize the transformer and its leads or to electrically isolate the transformer and its leads from the supply lines without the necessity of making and unmaking one or more live wire line tap connections in the operation of removing, installing or servicing the transformer. The particular shape, details of construction and method of combining said body portion .and said transformer supporting means and accessory supporting means is immaterial, so far as my broad idea is concerned, but I prefer to construct the body portion D of the fixture from a flat metalbar bent to produce two substantially parallel, vertically-disposed side pieces I joined together atv their upper ends by an integral connecting portion 2 that is curved transversely so as toconform to the shape or outline of the pole A, and. thus permit the body portion D to lie snugly against the pole. The transformer supporting means previously referred to is formed preferably by two transversely-disposed members 3 and 3 supported by or attached to the vertical side pieces of the body portion D and provided with forwardly-projecting arms 4 that are adapted to serve as supports for the transformer B.

In the form of my invention herein illustrated the transformer supporting arms 4 are provided with notches or recesses 5 (see Figure 3) that are adapted to receive transversely-disposed straps 6 on the casing of the transformer, as illustrated in broken lines in Figure 2. After the transformer has been mounted on the supporting arms 4 by positioning the straps 6 of the transformer casing in the notches 5 in said arms, the transformer can be locked in position by inserting bolts or other suitable fastening devices I in aligned holes in the straps 6 and in the supporting arms 4. The top transversely-disposedmember 3 may be permanently connected in any preferred or suitable way to the body portion D of the fixture, but I prefer to bend or deform the side pieces I of said body portion so as to form recesses or pockets in same in which the member 3 may be positioned, and then secured in position by welds 3 as shown in Figure 1. The bottom member 3 is preferably adjustably connected to the side pieces I of the body portion D of the fixture, so that said bottom member 3 may be adjusted vertically to adapt the fixture to transformers of different sizes. Thus, as shown in Figure 1, the lower end portions of the side pieces I of the body portion of the fixture are preferably offset slightly, so as to receive the bottom member 3 which is adjustably connected to said side pieces I by bolts or other suitable fastening devices 8 inserted in holes 8 in the side pieces I, said holes 8 being arranged at different heights or levels, so as to provide for the longitudinal adjustment of the bottom member 3. The members 3 and 3 can be conveniently formed from fiat metal bars.

The supporting means for the fixtures C preferably comprises two or more horizontally-disposed arms 9 that project laterally from the body portion D of the fixture. In the form of my invention herein illustrated the arms 9 are formed from fiat metal bars curved slightly, as shown in Figure 2, so as to conform approximately to the outline of the casing of the transformer and provided at their inner ends with flanges 9 through which fastening devices H! are inserted to connect said arms 9 to the forwardly-projecting arms 4 on the top member 3 of the transformer supporting means. It is not essential, however, that the arms 9 used to support the fixtures be formed as separate parts, for if desired, they can be formed as integral portions of one of the transversely-disposed members that form part of the supporting means for the transformer. The body portion D of the fixture is herein illustrated as being rigidly attached to the pole by means of a top bolt II that passes through the connecting piece 2 of the body portion D, and a bottom bolt ll that passes through the transversely-dis posed bottom member 3 of the transformer sup porting means.

Of course, the main advantage of a pole fixture of the construction above described is that it permits a transformer and its accessories to be arranged compactly and in symmetrical relationship on a pole in such a way that the transformer can be removed, installed or serviced without the necessity of making or unmaking one or more live wire line tap connections, as is necessary with transformer mountings of the kind in which the accessories are mounted directly on the casing of the transformer. My improved mounting or pole fixture has numerous other advantages or desirable features, however, such as that it is exceptionally strong and durable; it materially reduces the strain on the pole because the load is distributed over a large area of the surface of the pole; it offers facility for making complete and permanent wiring in stallation from and between lines and transformers, and it may be placed to face in any direction from the pole, as required for the free movement of pole climbers.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent is:

1. A pole fixture adapted to be permanently and rigidly connected to a pole, to serve as a supporting means for a transformer and a plurality of accessories electrically connected together, said fixture comprising an elongated body portion disposed longitudinally of the pole and adapted to be rigidly connected to same, top and bottom transversely-disposed members mounted on said body portion in spaced relation and having provision for enabling a transformer to be hung on same, and fixture supporting arms projecting laterally from said body portion for sustaining the accessories, thereby enabling the transformer to be mounted, dismounted or serviced without disturbing the accessories.

2. A pole fixture of the kind described in claim 1, in which the body portion is provided with recesses or pockets in which said transverselydisposed members are positioned, whereby the weight or load on said members is taken up by parts of said body portion on which said members bear.

3. A pole fixture for supporting a transformer and accessories electrically connected to said transformer, comprising a body portion formed from a fiat metal bar bent to produce two substantially parallel, vertically-disposed side pieces joined together at one end by an integral connecting piece that is curved so as to conform to the exterior of the pole, top and bottom transversely-disposed members combined with said side pieces and provided with forwardly-projecting, notched arms adapted to serve as a support for a transformer, said members being curved so as to conform to the exterior of the pole and fixture supporting arms carried by and projecting laterally from the side pieces of said body portion for sustaining the accessories, thereby enabling the transformer to be mounted, dismounted or serviced without disturbing the accessories.

4. A pole fixture of the kind described in claim 3, in which one of said transversely-disposed members is permanently connected to the side pieces of the body portion and the other transversely-disposed member is adjustably connected to said side pieces in such a way that it can be raised. and lowered.

5. A mounting for a transformer and a plurality of accessories electrically connected together, comprising a supporting member having a body portion constructed so that it can be applied to the outer surface of a pole and rigidly secured to same, a plurality of pairs of forwardly projecting devices arranged on said supporting member in spaced relationship for removably supporting the transformer, one of said pairs of 7 devices having provision for enabling them to be arranged at a plurality of different levels, and independent devices on said supporting member for individually supporting the accessories and holding them in symmetrical relationship with the transformer at the sides of the transformer, thereby enabling the transformer to be mounted, dismounted or serviced without disturbing the accessories or the connections between the accessories and the source of electrical supply.

6. A mounting for a transformer and a plurality of accessories electrically connected together, comprising a supporting member having a body portion constructed so that it can be applied to the outer surface of a pole and rigidly secured to same, forwardly-projecting, notched or recessed parts on said supporting member adapted to be locked to transversely-disposed elements on the casing of the transformer, and means on said supporting member for individually supporting the accessories and holding them in symmetrical relationship with the transformer at the sides of the transformer, thereby enabling the transformer to be mounted, dismounted or serviced without disturbing the accessories or the connections between the accessories and the source of electrical supply.

'7. A mounting for a transformer and a plurality of accessories electrically connected together, comprising a su'pporting member attached to the outer surface of a pole and having a body portion comprising substantially parallel, vertically-disposed side pieces joined together at one end by a connecting part that is curved so as to conform to the exterior of the pole, means on said supporting member for removably supporting the transformer in spaced relationship with the pole, and devices on said support ing member for individually supporting the accessories and holding them in symmetrical relationship with the, transformer at the sides of the transformer, thereby enabling the transformer to be mounted, dismounted or serviced without disturbing the accessories or the connections between the accessories and the source of electrical supply.

WILLIAM S. MERKLE.

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Cited By (89)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2879964A (en) * 1957-04-10 1959-03-31 Rodney R Anderson Transformer mounting apparatus
US2883135A (en) * 1955-01-13 1959-04-21 Joslyn Mfg & Supply Co Support for electrical devices
US3140508A (en) * 1962-02-15 1964-07-14 Ridge Nassau Corp Overhead door hardware
US3369788A (en) * 1966-01-24 1968-02-20 Albert C. Eisele Utility pole mounting bracket for electrical safety devices
US4127739A (en) * 1977-02-10 1978-11-28 Aluma-Form Inc. Level mount electrical component bracket
US5368269A (en) * 1992-07-14 1994-11-29 Alpha Forming Systems, Division Of Elco Concrete Co, Inc Adjustable bracing system for column forms
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US2883135A (en) * 1955-01-13 1959-04-21 Joslyn Mfg & Supply Co Support for electrical devices
US2879964A (en) * 1957-04-10 1959-03-31 Rodney R Anderson Transformer mounting apparatus
US3140508A (en) * 1962-02-15 1964-07-14 Ridge Nassau Corp Overhead door hardware
US3369788A (en) * 1966-01-24 1968-02-20 Albert C. Eisele Utility pole mounting bracket for electrical safety devices
US4127739A (en) * 1977-02-10 1978-11-28 Aluma-Form Inc. Level mount electrical component bracket
US5368269A (en) * 1992-07-14 1994-11-29 Alpha Forming Systems, Division Of Elco Concrete Co, Inc Adjustable bracing system for column forms
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