JP2008131781A - Pole transformer support - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a pole transformer support with which a pole transformer is lifted up, a lower face can be recognized and inspection work can be performed without stopping the pole transformer and without removing a cable connected to the pole transformer. <P>SOLUTION: The support is provided with a stretcher 2 which has a reel member 7 around which the other end part of a belt 8 where a clamping member 10 is fitted to one end part is wound, and in which a connecting fitting 9 is protrusively arranged in the reel member 7 and the belt 8 is wound around the reel member 7 so that the belt 8 can freely be restrained, a suspending rope 6 which is wound around a pole member P above the pole transformer T, hooks the connecting fitting 9 and suspends the stretcher 2, a hanger rope 5 which is engaged with the clamping member 10 and whose both end parts are engaged with an engaging tool 16 of the pole transformer T and an arm metal member 3 whose one end part is fixed to the pole member P by a fixing band 4 wound around the pole member P, whose other end part projects out between the stretcher 2 and the pole transformer T and has a roll member 11 with which the belt 8 is slidably brought into contact at the end part. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a pole transformer support used when checking a pole transformer.

  In recent years, efforts to protect the global environment have been demanded as one of the social responsibilities of companies, and it is important to prevent oil leakage from pole transformers in power distribution facilities closely related to local communities. . However, since oil leakage from the bottom surface of the transformer is sometimes seen, rust generated on the bottom surface that causes oil leakage needs to be surely inspected. Some pole transformers are placed on a plate split made of cedar and the like placed on two arm members projecting from a pole member such as a utility pole. When checking for leaks, the bottom of the transformer cannot be seen from below. In particular, in a pole transformer with a small capacity of 10 kVA or 20 kVA, the diameter of the transformer is small, so that the bottom surface falls within the plate split. Therefore, when inspecting the pole transformer, it is necessary to lift the transformer and remove the plate. Thereby, oil leakage etc. can be visually confirmed and checked from the lower side in a state where there is no board split.

  Conventionally, however, a method has been employed in which an operator lifts a transformer from a bucket using an aerial work vehicle, or attaches a winch to a columnar member and lifts the transformer manually or by a vehicle. With these methods, it is difficult to make the lifting distance of the transformer very small. For this reason, when the transformer is lifted, various cables connected to the transformer are pulled. These cables are connected to the transformer with some allowance, but it is difficult to adjust the lifting distance of the transformer to a very small amount with the conventional method described above, and the cable may be cut if it is lifted as it is. There is. Considering this, conventionally, it is necessary to stop the transformer and disconnect the cable connected to the transformer every time the lower part of the transformer is inspected. Stopping the transformer will result in a power outage in the neighboring area, so residents in the vicinity will be inconvenienced by the power outage, and the power company will have to notify the inspection, etc., which will be troublesome. . Moreover, if a construction method for avoiding a power failure is used, labor and cost are required.

  On the other hand, Patent Document 1 describes a guide for a columnar part hanging rope. This guide is capable of reliably raising and lowering a columnar component such as a pole transformer along a utility pole.

JP 2000-143180 A

  However, the guide tool described in Patent Document 1 needs to dispose a hanging rope along the entire length direction of the columnar member.

  FIG. 4 is a schematic view of a columnar member provided with a pole transformer.

  As shown in the drawing, since existing columnar members (electric poles P) are mounted with columnar members such as various devices, it is difficult to arrange the hanging ropes avoiding them. Therefore, it is not suitable as a method of lifting the pole transformer T provided in the existing columnar member P and inspecting its lower surface. Moreover, since fine adjustment of lifting is difficult, even if the guide tool described in Patent Document 1 is used, it is necessary to stop the transformer every time inspection is performed.

  Note that a brace 18 protrudes from the utility pole P. Two pieces of the arm metal 18 are formed with the electric pole P interposed therebetween, and a plate-like plate split 19 is placed thereon. The pole transformer T is connected to various cables and the like provided on the utility pole P, and is placed on the board split 19. At this time, the pole transformer T is fixed to the utility pole P by the trapping band 20.

  The present invention is based on the above-described prior art, and without suspending the pole transformer and without removing a cable or the like connected thereto, the pole transformer is lifted and its lower surface is removed. The purpose is to provide a pole transformer support that can be visually inspected.

  In order to achieve the above object, in the invention of claim 1, a reel member around which the other end portion of the belt having a clamp member attached to one end portion is wound, and a coupling fitting is projected from the reel member, and the belt is mounted. A tensioner that can be wound around a reel member to tighten the belt tightly, a suspension rope that is wound around a pole member above the pole transformer, and hangs the tensioner by hooking the connecting bracket, and the clamp One end is fixed to the columnar member by a hanger rope that is locked to the member and both ends are locked to the locking device of the pole transformer, and a fixed band or a fixed rope wound around the columnar member. And a brace member having a roll member between which the other end projects and the belt is slidably contacted between the wire feeder and the pole transformer. Transformer To provide a lifting device.

  The invention of claim 2 is characterized in that, in the invention of claim 1, the reel member is provided with a ratchet wrench, and the belt is wound by rotating the ratchet wrench.

  The invention of claim 3 is characterized in that, in the invention of claim 1 or 2, the roll member is covered with a cover material made of a resin material.

  According to the first aspect of the present invention, the arm member is fixed to the columnar member by the fixing band or the fixing rope so that the tip of the arm member is located at the upper portion of the pole transformer, and above the arm member. The suspension rope is wrapped around the columnar member and fixed at the position of, and the belt is fed out from the reel member, slidably contacted with the roll member at the end of the armature member, suspended from above the pole transformer, and a clamp provided at the end of the belt The pole transformer can be lifted by fixing the hanger rope with a member, locking both ends of the hanger rope to the pole transformer, rotating the reel member and winding the belt. Since the lifting operation is performed by rotating the reel member on the pillar, the lifting operation can be performed by the worker and the lifting distance of the pole transformer can be finely adjusted. Therefore, it is possible to remove the plate by slightly lifting the pole transformer without stopping the transformer and without removing a cable or the like connected to the transformer. Thereby, it is possible to perform the inspection work by lifting the pole transformer and visually recognizing its lower surface without causing a power failure. In addition, since the brace member and the hanging rope fixed to the columnar member have a short vertical width, they can be mounted in a slight gap even when there are many columnar members.

  In addition, a commercially available general wire tensioner can be used as the tensioning device, a commercially available tail rope can be used as the hanging rope, and a commonly used reinforcing arm can be used as the armrest member. A hanger rope, a fixed band, or a fixed rope can also use general tools. Therefore, since each can be transported in a separated state, it is lightweight, easy to carry, and can be configured at low cost.

  Further, according to the invention of claim 2, since the reel member is provided with a ratchet wrench, and the belt is wound by rotating the ratchet wrench, the operator rotates the ratchet wrench at hand, The belt can be wound. Therefore, the lifting distance of the pole transformer can be finely adjusted.

  According to the invention of claim 3, since the roll member is covered with the cover material made of a resin material, it is possible to reduce the frictional resistance with the belt that is in sliding contact with the roll member, and to prevent deterioration due to the use of the belt.

  The present invention includes a reel member having a reel member to which a connecting metal fitting is attached, wound around the reel member, and having a belt having a clamp member attached to one end thereof; A hanging rope that is wound around the member, a hanger rope that is fixed to the clamp member, and that engages both ends with a locking tool of the pole transformer, and a fixed band or a fixed rope that is wound around the columnar member Without stopping the transformer, using the pole-mounted transformer support having one end fixed to the columnar member and the arm member having the roll member slidably contacting the belt on the other end Also, slightly lift the pole transformer without removing the cables connected to the transformer, remove the plate, lift the pole transformer without power failure, And it performs the inspection work and sure.

  FIG. 1 is a schematic view of a pole transformer support according to the present invention, and FIG. 2 is a front view of a brace member.

  As shown in the figure, a pole transformer support 1 according to the present invention is composed of a tensioner 2, a brace member 3, a fixed band (fixed rope) 4, a hanger rope 5, and a hanging rope 6. Is done. The wire tensioner 2 includes a belt 8 wound around a reel member 7, a connecting metal 9 protruding from the reel member 7, and a clamp member 10 provided at an end of the belt 8. The connection fitting 9 is an annular suspension fitting, and a carabiner or the like can be used.

  A bearing part 3a having a U-shaped horizontal section is provided at the tip of the arm member 3, and a roll member 11 is rotatably provided in the bearing part 3a. When the pole transformer support 1 is used, the belt 8 is brought into sliding contact with the roll member 11. Since the roll member 11 is covered with the cover material 13 made of a resin material, it is possible to prevent deterioration due to the use of the belt 8 that is in sliding contact with the roll member 11. As the cover material 13, a material obtained by cutting a linear sleeve cover can be used. A through hole 17 through which the two fixing bands 4 are passed is formed at the rear end portion of the arm metal member 3. In FIG. 2, only the cover material 13 is shown in a sectional view.

  The winding operation of the belt 8 by the reel member 7 is performed by reciprocatingly rotating a ratchet wrench 12 provided on the reel member 7. Therefore, the belt 8 can be pulled by pulling the belt 8 when the belt 8 is unwound from the reel member 7, and can be wound little by little by the ratchet wrench 12 when winding.

  An annular ring 15 formed at one end of the hanging rope 6 is connected to the connection fitting 9. The suspension rope 6 is a rope having an annular ring 15 formed at both ends. After the suspension rope 6 is wound around a power pole P described later, the annular ring 15 at the other end is inserted into one annular ring 15. It is fixed to the utility pole P.

  The clamp member 10 fixes and holds the substantially central portion of the hanger rope 5. Annular rings 14 are formed at both ends of the hanger rope 5.

  FIG. 3 is a schematic view showing a state in which the pole transformer support according to the present invention is attached to the utility pole.

  As described above, the hanging rope 6 is fixed to the utility pole P by inserting one end portion into the annular ring 15 at the other end portion. The annular ring 15 is connected to the connecting fitting 9 of the wire tensioner 2. Thereby, the wire tensioner 2 is attached to the hanging rope 6. At the lower position where the hanging rope 6 is fixed, the utility pole P and the rear end portion of the arm metal member 3 are fixed via the fixing band 4. The belt 8 fed out from the reel member 7 is in sliding contact with a roll member 11 formed at the tip of the arm member 3 and is suspended from above the pole transformer T. The hanger belt 5 is locked to the clamp member 10 provided at the tip of the belt 8. The annular rings 14 provided at both ends of the hanger belt 5 are engaged with each other through the engaging members 16 projecting from both side surfaces of the pole transformer T. Thereby, the pole transformer T can be lifted by reciprocatingly rotating the ratchet wrench 12 and winding the belt 8 around the reel member 7.

  The lifting operation of the pole transformer T can be performed by the operator by hand because the worker rotates the ratchet wrench 12 and the reel member 7 on the pole of the utility pole P. The lifting distance can be finely adjusted. Therefore, it is possible to remove the plate by slightly lifting the pole transformer T without stopping the transformer T and without removing a cable or the like connected to the transformer T. However, the captive band 20 is slightly loosened. Thereby, it is possible to perform the inspection work by lifting the pole transformer and visually recognizing its lower surface without causing a power failure. Further, since the arm member 3 and the hanging rope 6 fixed to the utility pole P have a short vertical width, even when the utility pole P has a large number of pole members, it can be installed in a slight gap.

  When checking the oil leakage etc. in the bottom face of such a pole transformer T using the pole transformer support 1 according to the present invention, the following procedure is used.

  First, the brace member 3 is lifted up to the utility pole P above the pole transformer T, and attached to the utility pole P by the fixing band 4 at an appropriate location where the pole member is avoided. This attachment is performed by passing the fixing band 4 through the through hole 17 of the arm member 3, winding it around the utility pole P, and tightening it with a buckle or the like. Next, the suspension rope 6 is wound around the utility pole P and attached, the annular ring 15 at one end is connected to the connection fitting 9, and the wire tensioner 2 is attached to the suspension rope 6. Next, the hanger rope 5 is locked to the clamp member 10. This locking is performed by sandwiching a substantially central portion of the hanger rope 5 with a clamp member. Next, the locking members 16 provided on both side surfaces of the pole transformer T are passed through the annular rings 14 at both ends of the hanger rope to lock each other. Next, the ratchet wrench 12 is operated to wind the belt 8 around the reel member 7. Thereby, the belt 8 is wound up while being slidably contacted with the roller member 11 provided at the tip of the arm member 3, and the pole transformer T can be lifted.

  In the state where the pole transformer T is lifted, the plate split 19 placed on the arm metal 18 is pulled out. At this time, the plate split 19 can be removed by lifting the pole transformer T by several mm. As described above, the lifting distance is adjusted by the operator with the ratchet wrench 12, so that fine adjustment is possible. Therefore, when lifting, it is not necessary to remove the various cables connected to the pole transformer T and the catching band 20. After removing the plate split 19, the bottom surface of the pole transformer T is visually inspected for oil leakage and rust. After inspection, return to the original position by the reverse operation. In addition, if a certain amount of margin is provided in the length of the belt 8, the mounting position of the pole transformer support tool 1 can be adjusted in consideration of each mounted column member. This adjustment can also be performed by the hanging rope 6.

  As described above, when the pole transformer support 1 according to the present invention is used, the pole transformer T is lifted by a minute amount in the state without removing the various cables, the catching band 20 and the like. Since it can be removed and inspected, the inspection can be performed easily and quickly.

  Further, the tensioner 2 can use a commercially available general tensioner, the suspension rope 6 can use a commercially available tail rope, and the armrest member 3 can be a commonly used reinforcement armrest. The hanger rope 5 and the fixed band (fixed rope) 4 can also use general tools. Therefore, since each can be transported in a separated state, it is lightweight and easy to carry. Moreover, the pole transformer support tool 1 according to the present invention can be configured at low cost.

It is the schematic of the pole transformer support tool which concerns on this invention. It is a front view of a brace member. It is the schematic which shows the state which attached the pole transformer support tool which concerns on this invention to the utility pole. It is the schematic of the columnar member provided with the pole transformer.

Explanation of symbols

1: pole transformer support, 2: wire tensioner, 3: arm metal member, 4: fixing band, 5: hanger belt, 6: hanging rope, 7: reel member, 8: belt, 9: connecting bracket 10: clamp member, 11: roller member, 12: ratchet wrench, 13: cover material, 14: annular ring, 15: annular ring, 16: locking member, 17: through hole, 18: arm metal, 19: plate 20: Captive band, P: Utility pole, T: Pole transformer

Claims (3)

A tension device comprising a reel member around which the other end portion of a belt having a clamp member attached to one end portion is wound, a coupling fitting projectingly provided on the reel member, and the belt being wound around the reel member to tighten the belt When,
A suspension rope that is wrapped around a pole member above the pole transformer, and that hangs the wire tensioner by hooking the connecting fitting,
A hanger rope that is locked to the clamp member, and that locks both end portions to the locking device of the pole transformer,
One end is fixed to the columnar member by a fixing band or a fixed rope wound around the columnar member, and the other end projects between the wire feeder and the pole transformer, A pole transformer support, comprising: a brace member having a roll member in sliding contact with the belt.   The pole transformer support according to claim 1, wherein the reel member includes a ratchet wrench, and the belt is wound by rotating the ratchet wrench.   The pole-mounted transformer support according to claim 1 or 2, wherein the roll member is covered with a cover material made of a resin material.

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