JP2011146617A - Leakage oil receptacle of pole transformer - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a leakage oil receptacle of a pole transformer capable of simplifying attachment work. <P>SOLUTION: A leakage oil receptacle 1 of a pole transformer attached to a pole transformer 100, in which a pair of cylindrical hanger seats 140, 140 for being attached to a utility pole X are made to protrude circumferentially apart from each other, on an outer peripheral portion of a transformer body 110 and receives leaked oil from the pole transformer 100, includes a body 2 having a concave-shape oil receiving portion 21 that receives leaked oil and a pair of connection bodies 3, 3 in which a leading-end portion 31 is fixed to each hanger seat 140 of the pole transformer 100, and a base-end portion 32 is fixed to an outer peripheral portion of the body 2; and at least one connection body 3 is configured, such that the base end portion 32 can change the position to be fixed to the outer peripheral portion of the body 2, in order that it corresponds to the position of each hanger seat 140 of the pole transformer 100. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an oil leakage receptacle for a pole transformer for receiving oil leaked from the pole transformer.

  Conventionally, as a pole transformer, as shown in FIGS. 3 to 5, the pole transformer 100 attached to the upper part of the utility pole X via a pole fixture (for example, a mounting band wound around the utility pole X) Y, Y. It has been known. The pole transformer 100 includes a transformer main body 110 that houses a transformer section (not shown) in an insulating oil, a lid body 120 that closes the upper end of the transformer main body 110, a lid And a lid fixing member 130 for fixing the body 120 to the transformer main body 110.

  Further, the pole transformer 100 is protruded radially outward at a lower portion of the outer peripheral portion of the transformer main body 110 so as to be attached to the electric pole X through the pole fixtures Y and Y, and in the circumferential direction. A pair of cylindrical lower hanger seats 140, 140 arranged apart from each other, and a pair of cylindrical upper hangers arranged directly above each lower hanger seat 140 and projecting outward in the radial direction And seats 150, 150. Further, the pole transformer 100 includes primary bushings 160 and 160 that support a primary side electric wire (not shown) and a secondary bushing 170 that supports the secondary side electric wire.

  Each hanger seat 140 (150) includes a front wall portion 141 (151), side wall portions 142, 142 (152, 152) connecting the end portion of the front wall portion 141 (151) and the outer peripheral portion of the transformer body 110. Is provided. A slit 143 (153) that opens downward is formed in the front wall portion 141 (151) of each hanger seat 140 (150) along the vertical direction.

  In each hanger seat 140 (150), as shown in FIGS. 5 (b) and 5 (c), a type in which the front wall portion 141 and each side wall portion 142 are arranged orthogonally, or FIG. As shown to (d) and FIG.5 (e), it arrange | positions so that each side wall part 142 may approach toward outward, and the type by which the front wall part 141 and each side wall part 142 are inclined and arrange | positioned Etc. exist.

  In such a pole transformer 100, one of the pair of lower hanger seats 140, 140 and the pair of upper hanger seats 150, 150 is hooked on the hook portion Y1 that protrudes upward from the end portion of the pillar tool Y. Stopped. And each hanger seat 140,150 and the hook part Y1 are fastened via a bolt Z and a nut (not shown), whereby the pole transformer 100 is connected to the utility pole X via the pole fixture Y. It is attached.

  In the pole transformer 100, when the seal member (packing) sandwiched between the transformer main body 110 and the lid 120 is deteriorated, the transformer main body 110 is inserted into the transformer main body 110 from between the transformer main body 110 and the lid 120. Insulating oil may leak. Furthermore, insulating oil may leak from the bottom of the transformer body 110 and the like due to deterioration and corrosion of the transformer body 110.

  Therefore, as a conventional oil leakage receiver for the pole transformer to receive the oil leaked from the pole transformer, an oil leakage prevention member that can be installed in the lower part of the pole transformer and absorbs oil, and oil leakage prevention An oil leakage receiver for a pole transformer having an upper frame and a lower frame that sandwich members in the vertical direction is known (for example, Patent Document 1). According to the oil leakage receptacle of such a pole transformer, the oil leakage can be received by absorbing the oil leaked to the oil leakage prevention member.

JP 2006-216715 A

  Here, in the oil leakage receptacle of the pole transformer according to Patent Document 1, it is placed on a gantry fixed to the utility pole. Therefore, in order to support the gantry, it is necessary to attach a plurality of arms or the like to the utility pole, and the work of attaching the oil leakage receiver of the pole transformer is very complicated (large scale).

  Therefore, in view of such circumstances, an object of the present invention is to provide an oil leakage receptacle for a pole transformer that can simplify the attaching operation.

  An oil leakage receptacle for a pole transformer according to the present invention is a pole transformer in which a cylindrical hanger seat to be attached to a utility pole is provided in a projecting manner in a circumferentially spaced manner on the outer periphery of the transformer body. An oil leakage receiver for a pole transformer for receiving oil leaked from the pole transformer, the main body having a concave oil receiving portion for receiving the leaked oil, and the tip portion of the pole transformer A pair of connecting members fixed to each hanger seat and having a base end fixed to the outer peripheral portion of the main body, at least one connecting member corresponding to the position of each hanger seat of the pole transformer, The position where the base end portion is fixed to the outer peripheral portion of the main body is configured to be changeable.

  According to the oil leakage receptacle of the pole transformer according to the present invention, the distal end portion of each connection body is fixed to the hanger seat of the pole transformer, and the base end portion of each connection body is attached to the outer peripheral portion of the main body. Since it is fixed, a main body having a concave oil receiving portion for receiving leaked oil is mounted on the pole transformer. And since the position where the base end part of at least one connection body is fixed to the outer peripheral part of a main body can be changed, it can also respond flexibly to the position of each hanger seat of a pole transformer.

  Further, in the oil leakage receptacle of the pole transformer according to the present invention, it is provided with a fixing means for fixing the outer peripheral portion of the main body and the base end portion of the connection body, and the base end portion of the at least one connection body is: Along with the outer peripheral part of the main body, a hole is provided along the longitudinal direction, and the fixing means protrudes from the outer peripheral part of the main body. There may be provided a male screw member to be inserted, and a female screw member that is screwed to the male screw member and fixed with the base end portion of the connection body sandwiched between the outer peripheral portion of the main body.

  According to the oil leakage receptacle of the pole transformer having such a configuration, the base end portion of at least one connection body is formed to be elongated along the outer peripheral portion of the main body, and at the base end portion of the connection body. Are provided with holes along the longitudinal direction. Then, the male screw member protruding from the outer peripheral portion of the main body is inserted into the hole of the base end portion of the connection body, and the female screw member is fixed with the base end portion of the connection body sandwiched between the outer peripheral portion of the main body. To do. Therefore, since the position where the base end part of the connection body is fixed to the outer peripheral part of the main body can be changed, it is possible to flexibly correspond to the position of each hanger seat of the pole transformer.

  As described above, according to the oil leakage receptacle of the pole transformer according to the present invention, the distal end portion of each connection body is fixed to the hanger seat of the pole transformer, and the base end portion of each connection body is the main body. The main body having a concave oil receiving portion that receives leaked oil can be attached to the pole transformer, and as a result, the work for attaching the oil leakage receptacle of the pole transformer is simplified. There is an excellent effect of being able to.

It is a general view of the oil-leakage receptacle of the pole transformer which concerns on one Embodiment of this invention, Comprising: (a) is a front view, (b) shows a top view. It is a whole figure of the oil leakage receptacle of the pole transformer which concerns on the embodiment, Comprising: An exploded perspective view is shown. It is a whole figure of the conventional pole transformer, and shows a front view. It is a general view which concerns on the same pole top transformer, Comprising: (a) is a left view, (b) shows a front view. It is a figure which concerns on the same pole top transformer, Comprising: (a) is a whole top view, (b) is a front view of the hanger seat in one form, (c) is a top view of the hanger seat in the same form, (d) is The front view of the hanger seat which concerns on another form, (e) shows the top view of the hanger seat in the same form.

  Hereinafter, an embodiment of an oil leakage receptacle for a pole transformer according to the present invention will be described with reference to FIGS. 1 and 2.

  As shown in FIG.1 and FIG.2, the oil leak receptacle 1 of the pole transformer which concerns on this embodiment is comprised so that mounting | wearing to the pole transformer 100 is possible. The oil leakage receiver 1 is disposed on the lower side of the pole transformer 100, and includes a main body 2 having a concave oil receiver 21 that receives oil (insulating oil) leaked from the pole transformer 100, A pair of connecting bodies 3 and 3 (only one of them is shown in FIG. 2) for connecting each lower hanger seat (hereinafter referred to simply as “hanger seat”) 140 of the transformer 100 and the main body 2. ) And fixing means 4 and 4 for fixing the main body 2 and each connection body 3.

  The main body 2 includes a flat bottom plate portion 22 and a side plate portion 23 erected upward from the periphery of the bottom plate portion 22, and forms an oil receiving portion 21. Specifically, the main body 2 includes a circular bottom plate portion 22 and a cylindrical (annular) side plate portion 23, and is formed in a bottomed cylindrical shape. Moreover, the main body 2 is formed in a size that can cover the pole transformer 100 in the vertical direction.

  Each connection body 3 includes a distal end portion 31 fixed to the hanger seat 140 of the pole transformer 100 and a base end portion 32 fixed to the outer peripheral portion of the main body 2 via the fixing means 4. Each connecting body 3 includes a connecting member 33 that connects the distal end portion 31 and the proximal end portion 32, first fastening means 34 that fastens the distal end portion 31 and the connecting member 33, and a proximal end portion 32 and the connecting member 33. 2nd fastening means 35 which fastens.

  The front end portion (hereinafter, also referred to as “first connection member”) 31 of each connection body 3 includes a pair of long plate-shaped sandwiching portions 311 and 312 so as to sandwich the side wall portion 142 of the hanger seat 140. The first connecting member 31 includes a hook-shaped portion 313 that connects the upper ends of the sandwiching portions 311 and 312 in a hook shape so as to hook the upper edge of the side wall portion 142 of the hanger seat 140. The first connection member 31 includes a plate-like first attachment portion 314 orthogonal to the sandwiching portion 311 at the lower end portion of the one sandwiching portion 311 so as to be coupled to the coupling member 33.

  Each clamping part 311, 312 is formed to have a larger overall length (vertical dimension) than the side wall part 142 of the hanger seat 140. And when each clamping part 311 and 312 latch the upper edge of the side wall part 142, the lower end parts of each clamping part 311 and 312 which protrude from the downward direction of the hanger seat 140 are the 3rd fastening means 315 (bolt 315a and Each clamping part 311 and 312 clamp the side wall part 142 of the hanger seat 140 by fastening with the nut 315b).

  Each clamping part 311, 312 is provided with an elongated first insertion hole 311 a for inserting the bolt 315 a and a substantially circular second insertion hole 312 a, respectively. Further, the first attachment portion 314 is provided with a substantially perfect circle-shaped third insertion hole 314 a for being inserted through the first fastening means 34.

  A base end portion 32 (hereinafter, also referred to as “second connection member”) of each connection body 3 includes a long portion 321 that is formed in a long plate shape and curved along the outer peripheral portion of the main body 2. Further, the second connection member 32 includes second attachment portions 322 and 322 respectively disposed at both ends in the longitudinal direction of the long portion 321 so as to be connected to the connection member 33.

  The long portion 321 is configured to be slidable in the circumferential direction with respect to the outer peripheral portion of the main body 2, so that the second connecting member 32 corresponds to the position of each hanger seat 140 of the pole transformer 100. The position fixed to the outer peripheral portion of the can be changed. Further, the long portion 321 is provided with a hole portion 321a through which the fixing member 4 is inserted along the longitudinal direction.

  Each of the second attachment portions 322 is formed in a long plate shape along the vertical direction so as to be larger than the vertical dimension of the long portion 321. And each 2nd attaching part 322 is arrange | positioned so that the elongate part 321 may be substantially orthogonally crossed. Each second attachment portion 322 is provided with a fourth insertion hole 322a having a long hole shape along the vertical direction so as to be inserted into the second fastening means 35.

  The connecting member 33 includes a first connecting portion 331 that is connected to the first attaching portion 314, and a second connecting portion 332 that is connected to the second attaching portion 322. And the 1st connection part 331 and the 2nd connection part 332 are each arrange | positioned so that it may mutually orthogonally cross while being formed in flat form.

  The first connecting portion 331 is arranged along the lateral direction, and is configured to be slidable with the first attachment portion 314 so as to rotate about the vertical direction via the first fastening means 34 ( Pivoted). The second connecting portion 332 is arranged along the vertical direction, and is configured to be slidable in the vertical direction with the second attachment portion 322 via the second fastening means 35. Note that the second connecting portion 332 is provided with a fifth insertion hole 332a having a long hole shape formed along the vertical direction so as to be inserted into the second fastening means 35.

  The first fastening means 34 protrudes upward from the first connection part 331 and is inserted into the third insertion hole 314a of the first attachment part 314 in order to fasten and fix the first connection part 331 and the first attachment part 314. A bolt 341 and a nut 342 screwed to the bolt 341. Further, the second fastening means 35 is configured to fasten and fix the second connecting portion 332 and the second mounting portion 322, and the fourth insertion hole 322a of the second mounting portion 322 and the fifth insertion of the second connecting portion 332. Bolts 351 and 351 inserted through the holes 332a and nuts 352 and 352 screwed into the bolts 351 are provided.

  Each fixing means 4 protrudes from the outer peripheral portion of the main body 2 to fix the outer peripheral portion of the main body 2 and the second connecting member 32 of the connecting body 3, and the hole portion of the elongated portion 321 of the second connecting member 32. A pair of male screw members 41, 41 inserted through the 321a, and female screw members 42, 42 which are screwed into the male screw members 41 and fixed with the second connecting member 32 sandwiched between the outer peripheral portion of the main body 2. Prepare. Each male screw member 41 locks the second connecting member 32 (hole portion 321a), thereby restricting the second connecting member 32 from being displaced in the circumferential direction with respect to the main body 2 by a predetermined distance or more. ing.

  As described above, according to the oil leakage receptacle 1 according to the present embodiment, the first connection member (tip portion) 31 of each connection body 3 is fixed to the hanger seat 140 of the pole transformer 100 and each connection body. 3 is fixed to the outer peripheral portion of the main body 2, so that the main body 2 having the concave oil receiving portion 21 that receives leaked oil is below (directly below) the pole transformer 100. As a result, it is possible to simplify the work of attaching the oil leakage receiver 1.

  Moreover, according to the oil leakage receptacle 1 which concerns on this embodiment, while the elongate part 321 of each 2nd connection member 32 is formed in elongate along the outer peripheral part of the main body 2, the elongate part 321 The hole 321a is provided along the longitudinal direction. The male screw members 41, 41 protruding from the outer peripheral portion of the main body 2 are inserted into the hole portion 321 a, and the female screw member 42 is fixed with the long portion 321 sandwiched between the outer peripheral portion of the main body 2. Therefore, since the position where the 2nd connection member 32 is fixed to the outer peripheral part of the main body 2 can be changed, it can respond flexibly to the position of each hanger seat 140 of the pole transformer 100.

  Moreover, according to the oil leak receptacle 1 which concerns on this embodiment, each 1st connection member (tip part) 31 can be rotated centering on the up-down direction with respect to each 2nd connection member (base end part) 32. As shown in FIG. It is configured. Therefore, it is possible to flexibly cope with various shapes (see FIGS. 5B to 5E) of each hanger seat 140. Specifically, each clamping part 311, 312 can be arranged in parallel with the side wall part 142, or the upper edge of the side wall part 142 can be securely hooked by the hook-like part 313.

  The oil leakage receiving device according to the present invention is not limited to the above-described embodiment, and it is needless to say that various changes can be made without departing from the gist of the present invention. Moreover, it is needless to say that configurations, methods, and the like according to various modifications described below may be arbitrarily selected and employed in the configurations, methods, and the like according to the above-described embodiments.

  For example, in the oil leakage receiver 1 according to the above embodiment, the side plate portion 23 of the main body 2 is formed in a cylindrical shape (annular shape), and the long portion 321 of the second connecting member (base end portion) 32 is formed. Although the case where it curved and formed along the outer peripheral part of the main body 2 was demonstrated, it is not restricted to such a case. Specifically, the main body is formed in a rectangular tube shape (square tube shape) or a polygonal tube shape, and the long portion of the second connection member is formed in a flat plate shape along the outer peripheral portion of the main body. It may be formed.

  Moreover, in the oil leak receptacle 1 which concerns on the said embodiment, the case where it is comprised so that change of the position where both a pair of connection bodies 3 (2nd connection member 32) are fixed to the outer peripheral part of the main body 2 is demonstrated. However, the present invention is not limited to such a case, and a case where only one of the pair of connection bodies (second connection members) is fixed to the outer peripheral portion of the main body 2 may be changed.

  Moreover, in the oil leak receptacle 1 which concerns on the said embodiment, although the case where the 3rd penetration hole 314a of the 1st attaching part 314 of the 1st connection member 31 was formed in a substantially perfect circle shape was demonstrated. Not limited to. For example, the third insertion hole of the first attachment portion is formed in a long hole shape, and the first connection member (tip end portion) 31 can rotate about the vertical direction with respect to the second connection member (base end portion) 32. It may be configured and configured to be displaceable in the lateral direction.

  Moreover, in the oil leakage receptacle 1 which concerns on the said embodiment, although the case where the connection body 3 was provided with the 1st connection member 31, the 2nd connection member 32, and the connection member 33 which are formed separately was demonstrated, such a case For example, the first connecting member and the connecting member may be integrally formed, or the second connecting member and the connecting member may be formed integrally. The connection member, the second connection member, and the connecting member may be integrally formed.

  Moreover, in the oil leakage receptacle 1 which concerns on the said embodiment, the case where the fixing means 4 was provided with the male screw member 41 which penetrates the connection body 3, and the female screw member 42 screwed together with the male screw member 41 was demonstrated. However, it is not limited to such a case. For example, the fixing means fixes the base end portion of the connection body and the outer periphery portion of the main body by sandwiching a desired position of the upper portion of the outer peripheral portion (side plate portion 23) of the main body 2. May be configured to be able to change the position where it is fixed to the outer periphery of the main body.

  Further, the oil leakage receiver according to the present invention may be provided with an oil absorbing member (oil adsorption mat) capable of absorbing oil in the oil receiving portion 21 of the main body 2. Moreover, in the above-described embodiment, the case where the connecting body 3 connects the pole transformer 100 and the main body 2 while being separated in the vertical direction has been described. However, the oil absorbing member contacts the bottom of the transformer main body 110. In other words, the connecting body 3 may connect the main body 2 and the pole transformer 100 so that the main body 2 accommodates the bottom of the transformer main body 110.

  According to such a configuration, since the oil can be absorbed by the oil absorbing member, it is possible to prevent oil from spilling from the main body 2 even if the main body 2 vibrates due to wind and rain or work. Moreover, since the oil absorbing member is in close contact with the bottom of the transformer main body 110, the oil absorbing member can be fixed and oil can be further prevented from spilling from the main body 2.

  Moreover, the oil leakage receptacle which concerns on this invention can be comprised so that see-through is possible by forming the baseplate part 22 of the main body 2 with a colorless and transparent board, for example. According to such a configuration, it is possible to confirm oil leakage of the pole transformer 100 from the ground by attaching an oil leakage receiver as preventive maintenance.

  DESCRIPTION OF SYMBOLS 1 ... Oil leakage receptacle of a pole transformer, 2 ... Main body, 3 ... Connection body, 21 ... Oil receiving part, 31 ... Tip part (1st connection member), 32 ... Base end part (2nd connection member), DESCRIPTION OF SYMBOLS 4 ... Fixing means, 41 ... Male screw member, 42 ... Female screw member, 321a ... Hole, 100 ... Pole transformer, 110 ... Transformer main body, 140, 150 ... Hanger seat, X ... Electric pole

Claims (2)

A cylindrical hanger seat to be attached to the power pole is mounted on a pole transformer that is protruded from the outer circumference of the transformer body in the circumferential direction to receive oil leaked from the pole transformer. An oil leakage receptacle for a pole transformer,
A main body having a concave oil receiving portion for receiving leaked oil, and a pair of connecting bodies having a distal end portion fixed to each hanger seat of the pole transformer and a base end portion fixed to the outer peripheral portion of the main body,
At least one of the connecting members is configured to be able to change a position where the base end portion is fixed to the outer peripheral portion of the main body so as to correspond to the position of each hanger seat of the pole transformer. Oil leakage receptacle. A fixing means for fixing the outer peripheral portion of the main body and the base end portion of the connection body;
The base end portion of the at least one connection body is formed long along the outer peripheral portion of the main body, and a hole portion is provided along the longitudinal direction.
The fixing means protrudes from the outer peripheral portion of the main body and is inserted into the hole of the base end portion of the connection body, and is screwed into the male screw member, and the outer periphery of the main body The oil leakage receptacle for a pole transformer according to claim 1, further comprising a female screw member fixed with a base end portion interposed therebetween.

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