Frame, insulator unit fixing set, and packing method of insulator unit

Abstract

To provide a frame capable of improving convenience in handling of an insulator unit, an insulator unit fixing set, and a packing method of the insulator unit.SOLUTION: And a fixed portion that is connected to the base portion and to which the attachment portion is fixed such that the insulator unit is disposed apart from the base, wherein the fixed portion is configured such that a first portion of the attachment portion and a second portion of the attachment portion on a side opposite to the first portion with respect to the insulator are fixed to the fixed portion.SELECTED DRAWING: Figure 4

Description

[Technical Field]

[0001] The present disclosure relates to a rack, a hollow insulator unit fixing set, and a method for packaging hollow insulator units. [Background technology]

[0002] Conventionally, hollow insulator units used in power cables have been known. For example, Patent Document 1 discloses a through-wall bushing in which two split bushings are electrically and mechanically connected together via a connecting means. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2007-188735 Summary of the Invention [Problem to be solved by the invention]

[0004] However, such hollow insulator units are relatively long and heavy. In particular, a configuration including a current transformer (CT) makes the weight even heavier. Therefore, care must be taken when handling hollow insulator units.

[0005] However, there is no specific method for fixing hollow insulator units. Therefore, the longer the hollow insulator unit is, as in the case of rated voltages of 66 kV or higher, the more difficult each process, including packaging the product and installation at the construction site, becomes. In particular, the above-mentioned through-wall bushing connects two hollow insulators, which increases the overall length, making each process even more difficult. Furthermore, when hollow insulator units are made of polymer hollow insulators rather than porcelain hollow insulators, the polymer coating that forms the folds (shed portion) of the polymer hollow insulator is made of a soft material such as silicone rubber. Therefore, more care must be taken than with hard porcelain hollow insulators to prevent the polymer coating from being crushed when the hollow insulator unit is placed.

[0006] An object of the present disclosure is to provide a rack, a hollow shell unit fixing set, and a method for packaging hollow shell units that can improve the convenience of handling hollow shell units. [Means for solving the problem]

[0007] The mount according to the present disclosure comprises: A stand capable of horizontally fixing a hollow insulator unit having a hollow insulator and an attachment portion provided at a base end of the hollow insulator, A base portion; a fixed portion connected to the base portion and to which the mounting portion is fixed so that the hollow insulator unit is disposed at a distance from the base portion; Equipped with The fixed portion is configured so that a first portion of the mounting portion and a second portion of the mounting portion that is on the opposite side of the first portion with respect to the hollow insulator are fixed.

[0008] The hollow insulator unit fixing set according to the present disclosure includes: a hollow insulator unit having a hollow insulator and an attachment portion provided at a base end of the hollow insulator; The above-mentioned stand and Equipped with The hollow insulator unit is fixed to the frame.

[0009] The packaging method for hollow insulator units according to the present disclosure includes: A packaging method for packaging the hollow insulator unit fixed set, comprising: a step of fixing the mounting portion to the fixed portion; a step of packaging the hollow insulator unit fixed set by placing the stand on a bottom of a frame; Includes: [Effects of the Invention]

[0010] According to the present disclosure, it is possible to improve the convenience in handling hollow insulator units. [Brief explanation of the drawings]

[0011] [Figure 1] FIG. 2 is a cross-sectional view showing a through-wall bushing, which is an example of an insulator unit. [Figure 2] FIG. 10 is a diagram showing a current transformer fixed to a mounting bracket. [Figure 3] FIG. [Figure 4] FIG. 2 is a perspective view of a stand according to the present embodiment. [Figure 5] This is a view of the stand as seen from the X direction. [Figure 6] This is a view of the stand from the Z direction. [Figure 7] FIG. 10 is a diagram showing an example of an insulator unit fixing set. [Figure 8] FIG. 10 is a diagram showing an example of an insulator unit fixing set packed in a frame. DETAILED DESCRIPTION OF THE INVENTION

[0012] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings. Fig. 1 is a cross-sectional view showing a through-wall bushing 10, which is an example of a hollow insulator unit.

[0013] As shown in Fig. 1, the through-wall bushing 10 is an example of an insulator unit that is installed, for example, by penetrating a wall. A Cartesian coordinate system (X, Y, Z) is used to explain the structure of the through-wall bushing 10 and a mounting base 20 (described later). The same Cartesian coordinate system (X, Y, Z) is also used in the drawings (described later). For example, the X direction is the direction from the outdoor side to the indoor side of the wall on which the through-wall bushing 10 is installed. The Y direction is parallel to the wall and perpendicular to the X direction and the Z direction (up and down directions), and the Z direction is the up and down direction.

[0014] The through-wall bushing 10 has a first hollow insulator 11, a second hollow insulator 12, a current transformer 13, and a mounting bracket 14.

[0015] The first hollow insulator 11 is a part that is disposed on the outdoor side (negative side in the X direction) of the wall, and includes a first hollow insulator body 111 , a shielding metal fitting 112 , and a fixing metal fitting 113 .

[0016] The first hollow insulator body 111 has an internal conductor 111A and a solid insulator 111B. The internal conductor 111A is formed of a conductive material suitable for electrical conduction, such as copper, aluminum, a copper alloy, or an aluminum alloy, and is configured as a round bar disposed at the center of the first hollow insulator body 111. The solid insulator 111B is formed of a hard plastic resin material (e.g., epoxy resin) with high mechanical strength, and is provided integrally around the internal conductor 111A.

[0017] The shielding metal fitting 112 is provided at the base end portion (the end portion on the positive side in the X direction) of the first hollow insulator body 111, and serves to shield the base end portion side of the first hollow insulator body 111. The shielding metal fitting 112 is fixed to a fixing metal fitting 113 via a bolt or the like.

[0018] The fixing metal fitting 113 is a metal fitting that is connected to each of the shielding metal fitting 112 of the first hollow insulator 11 and the mounting metal fitting 114 with bolts (not shown). Specifically, the tip end surface of the fixing metal fitting 113 is connected to the base end surface of the shielding metal fitting 112 of the first hollow insulator 11 with a bolt (not shown) from the base end side. Furthermore, the base end surface of the fixing metal fitting 113 is connected to the tip end surface of the mounting metal fitting 114 with a bolt (not shown) from the tip end side. The outer diameter of the fixing metal fitting 113 is larger than the outer diameter of the shielding metal fitting 112 of the first hollow insulator 11, larger than the inner diameter of the mounting metal fitting 114, and smaller than the outer diameter of the mounting metal fitting 114. Furthermore, the inner diameter of the fixing metal fitting 113 is larger than the inner diameter of the shielding metal fitting 112, and smaller than the outer diameter of the shielding metal fitting 112 and the inner diameter of the mounting metal fitting 114.

[0019] The base end surface of the shielding metal fitting 112 of the first hollow insulator 11 and the base end surface of the shielding metal fitting (not shown because it is located at a position corresponding to the current transformer 13) of the second hollow insulator 12 are connected by an adapter (not shown) via bolts (not shown). The adapter is formed of a substantially cylindrical metal fitting, and functions as a shielding layer for the first hollow insulator 11 together with the shielding metal fitting 112, and has flanges at both ends for connection to the shielding metal fittings. The flanges on the first hollow insulator 11 side of the adapter have smaller diameters than the outer diameter of the shielding metal fitting 112, the inner diameter of the mounting metal fitting 114, and the inner diameter of the fixing metal fitting 113. The adapter is fixed to the base end surface of the shielding metal fitting 112 with bolts (not shown) from the base end side. The flanges on the second hollow insulator 12 side of the adapter have a smaller diameter than the inner diameter of the current transformer 13 and approximately the same diameter as the base end surface of the shielding metal fitting of the second hollow insulator 12 (not shown).

[0020] The first hollow shell 11 and the second hollow shell 12 are electrically and mechanically connected, and for example, the second hollow shell 12 is fixed to the first hollow shell 11 by connecting the shielding fitting of the second hollow shell 12 to a flange portion (not shown) on the second hollow shell 12 side of the adapter via bolts or the like. Regarding the internal connection structure between the first hollow shell 11 and the second hollow shell 12, the internal conductor 121A exposed from the solid insulator 121B on the base end side of the second hollow shell 12 is connected inside the first hollow shell 11 to the housing portion of the internal conductor 111A of the first hollow shell 11. The internal conductor 121A of the second hollow shell 12 is fitted into the housing portion on the base end side of the solid insulator 111B of the first hollow shell 11 via insulating rubber provided on the base end surface of the solid insulator 121B of the second hollow shell 12 (not shown).

[0021] The second hollow insulator 12 is a part that is arranged on the indoor side (positive side in the X direction) of the wall, and has a second hollow insulator body 121 and a shielding fitting (not shown because it is located in a position corresponding to the current transformer 13).

[0022] The second hollow insulator body 121, like the first hollow insulator body 111, has an internal conductor 121A and a solid insulator 121B. The internal conductor 121A has the same configuration as the internal conductor 111A except for the structure around the connection portion with the internal conductor 111A of the first hollow insulator body 111. The solid insulator 121B is made of the same material as the solid insulator 111B of the first hollow insulator body 111. The base end of the solid insulator 121B is formed in a conical shape so that it can fit into the housing portion of the solid insulator 111B of the first hollow insulator body 111, as described above.

[0023] The shielding fitting of the second hollow insulator 12 is provided integrally with the second hollow insulator body 121 at the base end of the second hollow insulator body 121 (the center in FIG. 1 ), and is fixedly connected to the base end surface of the flange part of the adapter on the second hollow insulator 12 side via bolts, etc. This electrically and mechanically connects the first hollow insulator 11 and the second hollow insulator 12.

[0024] Furthermore, polymer coatings 15 having a plurality of annular folds made of silicone rubber or the like are disposed integrally with the solid insulators 111B and 121B on the outer circumferential surfaces of the first hollow insulator body 111 and the second hollow insulator body 121, respectively. That is, the first hollow insulator 11 and the second hollow insulator 12 are formed of polymer hollow insulators. The structure in which the polymer coating 15 is provided directly on the outer periphery of the solid insulator 121B as in the embodiment is called direct molding, and in this disclosure, direct molding is also defined as a type of polymer hollow insulator.

[0025] In this embodiment, the current transformer 13 is a through-type, is disposed on the indoor side of the wall (the positive side in the X direction), and converts the current flowing through the internal conductors 111A, 121A of the through-wall bushing 10. As shown in Fig. 2, the current transformer 13 is configured in the shape of a quadrangular prism with a substantially square bottom, and a central portion 13A of the bottom is penetrated so that the second hollow insulator 12 can be passed through. The current transformer 13 is fixed to a base portion 141 of the mounting bracket 14, for example, by screws or the like.

[0026] As shown in FIG. 3 , the mounting bracket 14 is a mounting portion for mounting the through-wall bushing 10 to a wall, and is provided closer to the base end than the shielding brackets of the first hollow shell 11 and the second hollow shell 12. The mounting bracket 14 is disk-shaped and forms a flange portion of the through-wall bushing 10. A through hole 14A is formed in the center of the mounting bracket 14, allowing the first hollow shell 11 and the second hollow shell 12 to pass through. A plurality of mounting holes 14B are formed around the through hole 14A. Bolts or the like are passed through the mounting holes 14B and fastened to the fixing bracket 113 described above, thereby fixing the mounting bracket 14 to the first hollow shell 11 and the second hollow shell 12.

[0027] Furthermore, a base portion 141 and a nut portion 142 are provided on the outer side of the mounting hole 14B of the mounting bracket 14.

[0028] The base 141 is a base to which the current transformer 13 is fixed, and is fixed at four points on the same circumference centered on the center of the circle that constitutes the mounting bracket 14 by, for example, screwing or welding to the disk-shaped portion of the mounting bracket 14. A screw hole is provided on the base end side (second hollow insulator 12 side) of the base 141, and the current transformer 13 is fixed to the mounting bracket 14 by fastening a screw that has been passed through the current transformer 13.

[0029] The nut portions 142 are, for example, hexagonal nuts, and are fixed, for example, by welding, to eight locations on the same circumference of the mounting bracket 14 where the base portions 141 are located. Through holes are formed in the mounting bracket 14 at locations corresponding to the nut portions 142. The nut portions 142 are used for mounting and fixing to a wall. Specifically, bolts are passed through the nut portions 142 to mount the mounting bracket 14 to the wall, thereby fixing the through-wall bushing 10 to the wall.

[0030] Also, some (for example, four) of the eight nut portions 142 can be used to secure the through-wall bushing 10 to the fixable mount 20.

[0031] As shown in Fig. 4, the mount 20 is a base on which the through-wall bushing 10 can be fixed in a horizontal position. By fixing the through-wall bushing 10 to this mount 20, it becomes possible to easily transport the through-wall bushing 10, for example. Furthermore, by fixing the through-wall bushing 10 to the mount 20 when working at a construction site, the through-wall bushing 10 can be easily fixed and positioned. Furthermore, when packing the through-wall bushing 10 into a frame, by packing the through-wall bushing 10 in a state fixed to the mount 20, it becomes easier to position the through-wall bushing 10 inside the frame.

[0032] The mount 20 has a base portion 21, a first fixed portion 22, a second fixed portion 23, and a bridging portion 24.

[0033] The base portion 21 is a portion that is placed on the placement surface of the pedestal 20. The base portion 21 has a first base 211 and a second base 212.

[0034] The first base 211 and the second base 212 are made of metal members extending in a predetermined direction and have the same shape. The first base 211 and the second base 212 are arranged along the direction (X direction) in which the first hollow insulator 11 and the second hollow insulator 12 of the through-wall bushing 10 fixed to the frame 20 extend. The first base 211 is arranged on the positive side of the second base 212 in the Y direction.

[0035] The first base 211 and the second base 212 are configured to be substantially L-shaped when viewed from the X direction. Specifically, as shown in Fig. 5, the first base 211 and the second base 212 have arrangement portions 211A, 212A and connection portions 211B, 212B. In this embodiment, the first base 211 and the second base 212 are both formed of equal-leg angle irons. Equal-leg angle irons are also called equal-leg angles or L-shaped steel beams.

[0036] The placement sections 211A and 212A form the bottom of the L-shape, and are the sections to be placed on the placement surface of the gantry 20.

[0037] The connecting portions 211B and 212B constitute portions that rise from the L-shaped arrangement portions 211A and 212A. The first fixed portion 22 and the second fixed portion 23 are connected to the connecting portions 211B and 212B, respectively, by welding or the like.

[0038] The first fixed portion 22, the second fixed portion 23, and the bridging portion 24 are integrally formed by metal members extending in a predetermined direction, for example, in a substantially U-shape that opens in the Z direction. In this embodiment, the first fixed portion 22, the second fixed portion 23, and the bridging portion 24 are all formed of equal-leg angle iron, similar to the first base 211 and the second base 212, and the frame 20 is formed by assembling these by welding or the like.

[0039] The first fixed portion 22 is a portion corresponding to a side portion of the U-shape, and is a portion to which a part (first portion) of the mounting bracket 14 of the through-wall bushing 10 is fixed. The first fixed portion 22 is disposed along the Z direction and is connected to the first base 211. In other words, the first fixed portion 22 is attached perpendicular to the first base 211.

[0040] The second fixed part 23 corresponds to the side of the U opposite to the first fixed part 22, and is the part to which a second part, different from the first part, of the mounting bracket 14 of the through-wall bushing 10 is fixed. The second part is the part of the mounting bracket 14 on the opposite side from the first part with respect to the hollow insulators 11, 12. The second fixed part 23 is disposed along the Z direction and is connected to the second base 212. In other words, the second fixed part 23 is attached perpendicular to the second base 212.

[0041] By arranging the first fixed portion 22 and the second fixed portion 23 in this manner, the first fixed portion 22 and the second fixed portion 23 are arranged so as to sandwich the through-wall bushing 10 in the Y direction.

[0042] The bridge portion 24 is a portion that corresponds to the bottom of the U. The bridge portion 24 is arranged along the Y direction so as to bridge the first base 211 and the second base 212.

[0043] The first fixed portion 22, the second fixed portion 23, and the bridging portion 24 are disposed in approximately the center in the X direction of the first base 211 and the second base 212. The metal members constituting the first fixed portion 22, the second fixed portion 23, and the bridging portion 24 are configured in a substantially L-shape, similar to the first base 211 and the second base 212.

[0044] 5 and 6, the L-shape of the first fixed portion 22 and the L-shape of the second fixed portion 23 are composed of connection sides 22A, 23A extending along the X direction and fixing sides 22B, 23B extending along the Y direction. In FIG. 5, the positions of the mounting bracket 14 and the hollow insulators 11, 12 when the through-wall bushing 10 is fixed to the first fixed portion 22 and the second fixed portion 23 are indicated by dashed lines. In FIG. 6, the first fixed portion 22 and the second fixed portion 23 are indicated by solid black to make it easier to distinguish between the first fixed portion 22 and the second fixed portion 23 and the bridging portion 24.

[0045] The connecting side portions 22A and 23A are portions that are connected to the connecting portions 211B and 212B of the first base 211 and the second base 212.

[0046] The fixed side portions 22B, 23B are portions to which the nut portion 142 of the mounting bracket 14 of the through-wall bushing 10 is fixed. The fixed side portions 22B, 23B are provided with fixing holes 22C, 23C through which screws to be fastened to the nut portion 142 are passed.

[0047] Two fixing holes 22C, two fixing holes 23C are provided in each of the first and second fixed portions 22, 23. The height at which the fixing holes 22C, two fixing holes 23C are provided in each of the first and second fixed portions 22, 23 is determined so that the through-wall bushing 10 is spaced apart from the base portion 21 when the nut portion 142 of the mounting bracket 14 of the through-wall bushing 10 is fixed.

[0048] Furthermore, the L-shaped portion of bridge portion 24 that is connected to connecting side portions 22A, 23A is arranged along the Y direction, and the L-shaped portion of bridge portion 24 that is connected to fixed side portions 22B, 23B is arranged along the Z direction.

[0049] The effects of the gantry 20 configured as above will be described.

[0050] First, an operator places the gantry 20 in a predetermined location. The predetermined location may be, for example, a location that has a flat surface to the extent that the gantry 20 placed in the predetermined location will not tilt.

[0051] After placing the mount 20 in a predetermined location, the worker fixes the through-wall bushing 10 to the mount 20, as shown in Fig. 7. Specifically, the worker passes a bolt through the fixing hole 22C of the first fixed portion 22 of the mount 20 and fastens it to the nut portion 142 of the mounting bracket 14 of the through-wall bushing 10. The worker also passes a bolt through the fixing hole 23C of the second fixed portion 23 of the mount 20 and fastens it to the nut portion 142 of the mounting bracket 14 of the through-wall bushing 10.

[0052] The worker may temporarily tighten the bolt at the first fixed portion 22, and then temporarily tighten the bolt at the second fixed portion 23, and then finally tighten the bolts at the first fixed portion 22 and the second fixed portion 23. The work of fixing the through-wall bushing 10 may also be performed through the fixing hole 23C of the second fixed portion 23.

[0053] In this way, a hollow shell unit fixing set 30 is formed by combining the through-wall bushing 10 (hollow shell unit) and the mount 20. This makes it possible to easily fix the through-wall bushing 10. Therefore, when transporting the through-wall bushing 10, the mount 20 to which the through-wall bushing 10 is fixed can be simply placed on a transport cart or the like, and the through-wall bushing 10 can be easily transported.

[0054] Furthermore, at a construction site or the like, workers can simply place the platform 20, which has been transported from another location, in an appropriate location, and begin work without having to hold on to the through-wall bushing 10. This eliminates the need to carry out the required work of fixing the transported through-wall bushing 10 at the work site.

[0055] Furthermore, after the through-wall bushing 10 (insulating pipe unit) is fixed to the mount 20, the insulating pipe unit fixing set 30 can be packed in this state.

[0056] Specifically, after the above-mentioned fixing process is completed, as shown in Fig. 8, the worker wraps an air cap (not shown) around the outer periphery of the through-wall bushing 10 (insulator unit), specifically around the outer periphery of the first insulating tube 11, the second insulating tube 12, and the current transformer 13, and attaches PVC caps (not shown) to the tip ends of the first insulating tube 11 and the second insulating tube 12. Then, the worker places the insulating tube unit fixing set 30 inside the frame 16 and packs it.

[0057] The frame body 16 may be, for example, a box, and may have a length in the X direction long enough to accommodate the first base 211 and the second base 212. The frame body 16 may also have a length in the Y direction long enough to accommodate the first base 211, the second base 212, and the bridging portion 24.

[0058] In this way, the through-wall bushing 10 can be easily packaged.

[0059] According to the present embodiment configured as described above, the through-wall bushing 10 can be easily fixed by fixing the through-wall bushing 10 to the mounting base 20. This makes it easy to handle the through-wall bushing 10 during transportation, installation, packaging, and other operations.

[0060] That is, in this embodiment, the convenience of handling the through-wall bushing 10 can be improved.

[0061] Furthermore, since the hollow insulator unit fixing set 30 can be configured by combining the through-wall bushing 10 and the mount 20, transportation and installation can be performed in this fixed set state.

[0062] Conventionally, for example, in each work process, a fixing jig (such as a hanging jig) was attached to fix the through-wall bushing 10, and then the work in each work process was performed, and then the jig was removed. As a result, the overall work load increased, and the work as a whole became cumbersome.

[0063] In contrast, in this embodiment, the wall-penetrating bushing 10 is fixed using the mounting base 20, so that the work process can be carried out while it is still in a fixed set state, thereby significantly reducing the amount of work required for each work process.

[0064] Furthermore, conventionally, the through-wall bushing 10 is heavy (the weight increases even more if the current transformer 13 is attached), so reinforcing materials such as metal fittings are required at the fixing points inside the frame 16. However, in this embodiment, the fixed set can be packed in the frame 16 as is, so the above-mentioned reinforcing materials are not required, and the packing work can be made easier.

[0065] Furthermore, since the mount 20 has the first fixed portion 22 and the second fixed portion 23 arranged to sandwich the through-wall bushing 10, when the through-wall bushing 10 is fixed, the through-wall bushing 10 can be supported and fixed from both sides in the Y direction. As a result, the through-wall bushing 10 can be fixed and positioned in a well-balanced manner.

[0066] Furthermore, since the base portion 21 has the first base 211 and the second base 212, the configuration of the base portion 21 can be simplified.

[0067] Furthermore, since the first fixed portion 22, the second fixed portion 23 and the bridging portion 24 are integrally formed, the attachment work to the base portion 21 can be simplified.

[0068] In the above embodiment, the Y-direction positions of the first fixed portion 22 and the second fixed portion 23 cannot be adjusted, but the present disclosure is not limited to this, and the Y-direction positions of the first fixed portion 22 and the second fixed portion 23 may be adjustable. In this case, for example, a configuration is conceivable in which the first fixed portion, the second fixed portion, and the bridging portion are configured as separate bodies, and rails or the like are provided on the bridging portion along which the first fixed portion and the second fixed portion can move. This allows the mount to be adjusted to the width of the hollow insulator unit, thereby improving the versatility of the mount.

[0069] Furthermore, the positions of first fixed portion 22 and second fixed portion 23 in the Y direction cannot be adjusted as in the above embodiment, but an adjuster member may be attached to first fixed portion 22 and / or second fixed portion 23. This makes it possible to fix to frame 20 a hollow insulator unit having a different diameter from that of through-wall bushing 10, specifically, a hollow insulator unit having a smaller diameter than that of through-wall bushing 10.

[0070] In the above embodiment, the base unit 21 has the first base 211 and the second base 212, but the present disclosure is not limited to this and may have other configurations, such as a flat plate member. Also, the base unit may have wheels or the like attached thereto.

[0071] Furthermore, in the above embodiment, the first base 211 and the second base 212 of the base unit 21 both have fixed lengths, but the present disclosure is not limited to this. For example, the first base and the second base may be configured to be extendable in length so that the length of the base unit 21 can be adjusted (for example, a structure in which the length of the legs of a stepladder can be adjusted). Alternatively, both the first base 211 and the second base 212 may be configured to be bendable. In these cases, when not in use or when transporting the platform alone, the length is kept at its shortest (if the structure is extendable, it is shortened to its shortest length; if the structure is foldable, it is folded). This allows the platform to be stored without taking up much space and is easy to carry when transporting.

[0072] Furthermore, in the above embodiment, the hollow shell unit is fixed to the frame 20 so that the first fixed portion 22, the second fixed portion 23, and the bridging portion 24 of the frame 20 are located on the first hollow shell 11 side of the mounting bracket 14, which is arranged closer to the first hollow shell 11 than the current transformer 13. However, this is not limited to this. For example, the first fixed portion 22, the second fixed portion 23, and the bridging portion 24 may be provided in another location closer to the second hollow shell 12 than the current transformer 13. This makes it possible to provide a plurality of first fixed portions 22, second fixed portions 23, and bridging portions 24 in positions that sandwich the current transformer 13 in the longitudinal direction. As a result, a hollow shell unit fixing set 30 with a more stable structure can be obtained in a hollow shell unit with a current transformer 13 as in the above embodiment, which is heavier than a hollow shell unit without a current transformer 13.

[0073] Furthermore, in the above embodiment, the bridge portion 24 is provided, but the present disclosure is not limited to this, and the bridge portion may not be provided.

[0074] Furthermore, in the above embodiment, the mounting bracket 14 of the through-wall bushing 10 is fixed by the first fixed portion 22 and the second fixed portion 23, but the present disclosure is not limited to this. For example, as long as the first and second portions of the mounting bracket can be fixed, the through-wall bushing 10 may be fixed by one fixed portion, such as a ring-shaped member, or the through-wall bushing 10 may be fixed by three or more fixed portions.

[0075] In the above embodiment, the first fixed portion 22 and the second fixed portion 23 are part of a U-shaped member, but the present disclosure is not limited to this and may have any configuration as long as it is possible to fix the hollow insulator unit. For example, the first fixed portion and the second fixed portion may form a substantially V-shaped member.

[0076] Furthermore, in the above embodiment, the first base, the second base, the first fixed portion, and the second fixed portion are made up of approximately L-shaped metal members (specifically, L-shaped equal-leg angle irons), but the present disclosure is not limited to this and may be made up of, for example, flat metal members, rectangular rod-shaped metal members, or square pipe-shaped metal members.

[0077] In addition, in the above embodiment, a through-wall bushing with a current transformer is exemplified as the hollow insulator unit, but the present disclosure is not limited to this, and may be a through-wall bushing without a current transformer, or may be another hollow insulator unit. The other hollow insulator unit may have a configuration including one hollow insulator, such as an outdoor termination, a bushing for a transformer, or a bushing for a gas-insulated switchgear.

[0078] Furthermore, the hollow insulator unit has been exemplified as a direct mold type polymer hollow insulator in which a polymer coating is provided directly on the outer periphery of a solid insulator, but the present disclosure is not limited to this, and may be configured as, for example, a hollow polymer hollow insulator having an insulating medium inside the insulator, with a polymer coating provided on the outer periphery of FRP.

[0079] Furthermore, the hollow insulator unit may be a porcelain hollow insulator instead of a polymer hollow insulator having a polymer coating.

[0080] Furthermore, the above-described embodiments are merely examples of specific embodiments for carrying out the present disclosure, and the technical scope of the present disclosure should not be interpreted as being limited by these embodiments. In other words, the present disclosure can be carried out in various forms without departing from its gist or main features. [Industrial Applicability]

[0081] INDUSTRIAL APPLICABILITY The mount of the present disclosure is useful as a mount, a hollow shell unit fixing set, and a hollow shell unit packaging method that can improve the convenience of handling hollow shell units. [Explanation of symbols]

[0082] 10 Wall-penetrating bushing (insulator unit) 11 First hollow insulator 12 Second hollow insulator 13 Current transformer 14 Mounting bracket (mounting part) 14A through hole 14B Mounting hole 15 Polymer coating 16 Frame 20 Mounting stand 21 Base 22 1st fixed part 22A connection side 22B Fixed side 22C fixing hole 23 Second fixed part 23A Connection Side 23B Fixed side 23C fixing hole 24 Bridge 30 Insulator unit fixing set 111 First hollow insulator body 111A inner conductor 111B Solid Insulator 112 Shielding bracket 113 Fixing bracket 121 Second hollow insulator body 121A inner conductor 121B Solid Insulator 141 Pedestal 142 Nut part 211 First Base 211A Placement section 211B connection 212 Second Base 212A Placement section 212B connection

Claims

1. A stand capable of horizontally fixing a hollow insulator unit having a hollow insulator and an attachment portion provided at a base end of the hollow insulator, A base portion; a fixed portion connected to the base portion and to which the mounting portion is fixed so that the hollow insulator unit is disposed at a distance from the base portion; Equipped with The fixed portion is configured so that a first portion of the mounting portion and a second portion of the mounting portion that is on the opposite side of the first portion with respect to the hollow insulator are fixed to each other. Stand.

2. The fixed portion has a first fixed portion to which the first portion is fixed and a second fixed portion to which the second portion is fixed. The mount according to claim 1 .

3. the first fixed portion and the second fixed portion are attached perpendicularly to the base portion; The mount according to claim 2.

4. The base portion has a first base to which the first fixed portion is attached and a second base to which the second fixed portion is attached. The mount according to claim 2.

5. a bridge portion that bridges the first base and the second base; The mount according to claim 4.

6. The first fixed portion, the second fixed portion, and the bridging portion are integrally configured. The mount according to claim 5.

7. the first base and the second base are configured to extend in a direction along the hollow insulator of the hollow insulator unit fixed to the first fixed portion and the second fixed portion, The mount according to claim 4.

8. The hollow insulator unit is formed of a polymer hollow insulator having a polymer coating. The mount according to claim 1 .

9. The hollow insulator unit has a current transformer fixed to the mounting portion. The mount according to claim 1 .

10. The hollow insulator unit includes a first hollow insulator extending from the mounting portion in a predetermined direction, and a second hollow insulator extending from the mounting portion in a direction opposite to the predetermined direction. The mount according to claim 1 .

11. a hollow insulator unit having a hollow insulator and an attachment portion provided at a base end of the hollow insulator; The mount according to claim 1; Equipped with The hollow insulator unit is fixed to the frame. Insulator unit fixing set.

12. A packaging method for packaging the hollow insulator unit fixed set according to claim 11, comprising: a step of fixing the mounting portion to the fixed portion; a step of packaging the hollow insulator unit fixed set by placing the stand on a bottom of a frame; A packaging method for a hollow insulator unit including:

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