JP6281136B2 - Pole mounting structure for electrical equipment storage box - Google Patents

Description

  The present invention relates to a pole mounting structure for mounting an electrical equipment storage box to a utility pole or other pole.

  Conventionally, in order to attach an electrical equipment storage box to a pole or other pole, first tighten a band-shaped fastening piece to the pole, lift the electrical equipment storage box to which the pole support bracket is fixed, and A method of attaching a pole support bracket to the fastening piece was adopted. However, when a heavy electric device is mounted in the electric device storage box, the attachment portion between the pole support bracket and the housing of the electric device storage box may be deformed.

  Therefore, in order to prevent this deformation, as shown in Patent Document 1, a housing is attached via a reinforcing metal fitting considering the strength of a plurality of pole support metal fittings, or as shown in Patent Document 2, For example, a substantially L-shaped pole mounting bracket provided with a mounting base for mounting the housing on the vertical side corresponding to the side surface has been used.

  However, in any case, in order to accommodate the size of the various electrical equipment storage boxes, various sizes of reinforcing brackets and pole mounting brackets must be prepared, which increases the number of parts. .

JP 2000-092671 A JP 2012-186554 A

  Therefore, the object of the present invention is to solve the above-mentioned conventional problems, and even when a heavy electric device is mounted in the electric device storage box, the pole support bracket and the electric device storage case are attached to each other. It is an object of the present invention to provide a pole mounting structure for an electric equipment storage box that can support an electric equipment storage box having a different size with the same metal fitting.

The present invention made to solve the above problem is a pole mounting structure for an electric equipment storage box in which the casing of the electric equipment storage box is attached to the pole using the pole mounting bracket. A vertical support plate portion in which pole fittings fastened and fixed to the pole with a band are attached at a plurality of positions, a mounting base of the housing provided at a lower portion of the support plate portion, and the housing as the support plate comprising a housing mounting bracket for mounting the parts, the support plate portion are those bending the left and right ends on the pole side, provided with a flange portion extending in the vertical direction to the mounting base of the base portion, the mounting at the flange portion A base is fixed to the support plate, and the size of the flange portion and the housing mounting bracket in the left-right direction are both larger than the mounting base , and the mounting position of the housing mounting bracket is Can be changed up and down It is characterized in that the.

Incidentally, as described in claim 2, the upper portion of the support plate portion, it is preferable that the fixed structure across the support plate portion between the pole fitting the housing mounting member. Further as in claim 3, it is preferred to form the overlapping portion of the side surface of the supporting plate portion to the flange portion.

  According to the present invention, since the mounting position of the housing mounting bracket can be changed up and down with respect to the support plate portion, the housing of a plurality of sizes of electrical equipment storage boxes can be mounted on the pole with one pole mounting bracket. Can do. In addition, since the load of the electrical equipment storage box can be supported by the mounting base, even when heavy electrical equipment is installed in the electrical equipment storage box, the pole support bracket and the electrical equipment storage box housing There is no possibility that the mounting part will be deformed.

Further, according to the present invention, since the flange portion extending in the vertical direction is provided at the base portion of the mounting base, and the mounting base is fixed to the support plate portion by the flange portion, the load mounting base is firmly fixed to the support plate portion. be able to.

According to the invention of claim 2 , since the housing mounting bracket is fixed to the upper portion of the support plate portion with the support plate portion sandwiched between the pole bracket, the plate materials of these portions overlap each other, and Strength can be improved.

According to the invention of claim 3 , since the overlapping portion with the side surface of the support plate portion is formed in the flange portion, the strength against a lateral load such as a strong wind can be improved.

1 is an overall perspective view showing an embodiment of the present invention. It is a disassembled perspective view which shows embodiment of this invention. It is explanatory drawing of an upper structure. It is a back perspective view of an upper structure. It is a disassembled perspective view which shows the relationship with a housing | casing. It is a rear perspective view which shows the state which attached the housing | casing. It is a disassembled perspective view which shows the relationship between a mounting base and a support plate part. It is a bottom perspective view of a rail member. It is a perspective view which cuts out the upper surface of a rail member and shows the attachment state of the rail member to a mounting base. It is sectional drawing which shows the attachment process of a rail member. It is sectional drawing which shows the other attachment process of a rail member.

Embodiments of the present invention will be described below.
In FIG. 1, 1 is a pole such as a utility pole, and 2 is a pole mounting bracket attached to the pole 1 by upper and lower bands 3 and 3. The pole mounting bracket 2 has a substantially L-shape when viewed from the side. The support plate 4 extends in the vertical direction, the mounting base 5 protrudes in the horizontal direction from the lower portion thereof, and is attached to the mounting base 5. Two rail members 6 are provided. Both sides of the support plate portion 4 of the pole mounting bracket 2 are bent side plate portions 4a.

  As shown in FIGS. 2 to 4, a substantially U-shaped pole fitting 7 is arranged on the back side (pole side) of the support plate portion 4 of the pole mounting fitting 2. The upper surface and the lower surface of the pole fitting 7 are formed in an arc shape so as to correspond to the surface shape of the pole 1, and the base portion of the band 3 is fixed therebetween.

  A pair of left and right screw holes 9 are formed in the vertical surface 8 of the pole fitting 7. Corresponding screw holes 10 are also formed in a plurality of vertical positions in the vertical support plate portion 4. As shown in FIG. 3, the screws 11 are inserted from the side of the pole fitting 7 through the screw holes 9 and 10.

  On the other hand, a substantially L-shaped connecting bracket 12 is disposed on the front side (the casing side) of the vertical support plate portion 4, and the casing mounting bracket 33 of the casing 16 of the electrical equipment storage box is the casing fixing bracket 17. And the connection fitting 12. A pair of screw holes 13 are also formed in the vertical surface of the connecting metal 12, and the pole metal 7, the support plate 4, and the connecting metal 12 are fastened together by the screw 11 and the nut 14. In this way, the coupling fitting 12 is fixed to the support plate portion 4 together with the pole fitting 7, but since the screw holes 10 are formed at a plurality of upper and lower positions, the housing is formed according to the size of the electric equipment storage box. The mounting position of the mounting bracket 33 can be changed. Further, since the housing mounting bracket 33 is fixed with the support plate portion 4 sandwiched between the pole fitting 7 and the plate materials of these portions overlap each other, the strength of this portion can be improved.

  Note that a small recess 15 is formed in the side plate portion 4a of the pole mounting bracket 2 so that the stepped portion on the lower surface of the pole bracket 7 can be engaged and fixed more reliably as shown in FIG. In this embodiment, only the lower surface of the pole fitting 7 is engaged with the side plate portion 4a, but the side surface of the pole fitting 7 can be brought into contact with the inner surface of the side plate portion 4a to further increase the fixing strength. However, considering the mounting workability, it is preferable that the side surface of the pole fitting 7 is not normally brought into contact with the inner surface of the side plate portion 4a but is brought into contact when there is a horizontal movement during strong winds.

  The pole fitting 7 is also provided in the lower part of the support plate portion 4 in the same manner, and the pole mounting fitting 2 is fixed to the pole 1 at two places, upper and lower. However, three or more pole mounting brackets 2 can be used.

  As shown in FIGS. 5 and 6, a substantially L-shaped housing fixing bracket 17 is attached to the upper part of the side surface of the housing 16 of the electrical equipment storage box, and a dharma hole 18 is formed in the horizontal piece. Is formed. As shown in FIG. 6, the horizontal piece can be placed on the horizontal piece of the coupling metal 12 and fixed by a screw 19.

  As shown in FIG. 7, a mounting base 5 protruding in the horizontal direction is fixed to the lower portion of the support plate portion 4. The mounting base 5 is formed by bending a steel plate into an inverted U shape, and a vertical flange portion 20 is integrally provided at the base portion thereof. Since the flange portion 20 is provided with bent portions 21 on both the left and right sides, and the bent portion 21 that overlaps the side plate portion 4a of the support plate portion 4 is formed on the flange portion 20 as shown in FIG. The strength against is improved. The flange portion 20 is formed with screw holes 22 at the top and bottom, and is bolted to a welding nut 4 b welded to the lower portion of the support plate portion 4. The flange portion 20 has a structure that extends both vertically and horizontally from the fixing portion to which the mounting base 5 is welded and attached, and can be firmly fixed by reducing the load concentration at the bolt fixing portion. Note that a horizontal restriction piece 24 projects from the lower end portion of the flange portion 20, and the horizontal restriction piece 24 is inserted into the slit 25 at the lower portion of the support plate portion 4, thereby enabling more reliable fixing. ing.

  Two rail members 6 are provided on the top surface of the mounting base 5 to support the casing 16 of the electric device storage box. These rail members 6 need to have a flat upper surface in order to support the bottom surface of the casing 16, and as shown in FIG. In order to fix the rail member 6 to the upper surface of the mounting base 5, as shown in FIG. 9, a square anti-rotation bracket 27 in which the head of the mounting screw 26 is welded is used. Two anti-rotation metal fittings 27 are used for each rail member 6, and each rail member 6 is fixed at two locations on the left and right. These anti-rotation metal fittings 27 cannot rotate inside the C-shaped section steel, and hold the mounting screw 26 in a non-rotatable manner. Therefore, as shown in FIG. The rail member 6 can be fixed to the mounting base 5 by tightening.

  This structure is a structure suitable for mounting the rail member 6 from which the mounting screw 26 cannot be operated from above. However, when assembling, as shown in FIG. 10, the mounting screw 26 is loosely attached to the upper surface of the mounting base 5 in advance, and then the C-shaped rail member 6 is inserted from the end face and slid. Therefore, there is a problem that it is difficult to know at which position the insertion of the rail member 6 should be stopped.

  In order to solve this problem, in the present embodiment, as shown in FIGS. 9 and 10, the end portion of the rotation prevention metal fitting 27 is bent downward to form the hanging piece 29. A step 30 for position regulation was formed on the bottom surface 6a of the rail member 6 having a C-shaped cross section. The other end of the anti-rotation fitting 27 is a rising piece 31 bent upward.

  The function will be described with reference to FIG. The right rotation prevention metal fitting 27 in FIG. 10A is set on the right side of the mounting base 5. In this state, the nut 28 is in a slack state, and the anti-rotation fitting 27 can be lifted slightly. The left anti-rotation bracket 27 is lifted high by loosening the nut 28.

  From this state, the rail member 6 is inserted as shown in FIG. The bottom surface 6 a of the rail member 6 is guided by the rising piece 31 of the right rotation prevention metal fitting 27 and enters the lower side of the rotation prevention metal fitting 27, and the drooping piece 29 of the left rotation prevention metal fitting 27 has the bottom surface 6 a of the rail member 6. It is on the top surface of

  Further, when the rail member 6 is inserted and the hanging piece 29 of the left anti-rotation fitting 27 is detached from the bottom surface 6a of the rail member 6 as shown in (C), the anti-rotation fitting 27 falls downward due to gravity. In this state, both nuts 28 are tightened from below. If the position of the position regulating step 30 is appropriately set, the position where the rotation preventing metal fitting 27 falls downward can be accurately determined. Therefore, the operator can stop the insertion of the rail member 6, know the position where the nut 28 is tightened easily and accurately, and can position the rail member 6 at the center of the mounting base 5.

  In addition, as shown in FIG. 11, the notch 32 for position regulation is formed in two places on the bottom surface 6a of the rail member 6, and the rail member 6 is inserted, positioned and fixed in the same manner as described with reference to FIG. You can also. However, in the case of FIG. 11, the hanging piece 29 of the left rotation prevention metal fitting 27 falls into the right notch 32 of the rail member 6 as shown in FIG. Finally, the nut 28 is tightened at the position (E).

Next, a procedure for attaching the casing 16 of the electric device storage box to the pole 1 will be described.
First, the pole mounting bracket 2 is attached to the lower portion of the support plate portion 4, and the connection fitting 12 and the pole fitting 7 are fastened and fixed to the upper portion of the support plate portion 4. Further, the two rail members 6 are loosely fitted on the mounting base 5 and temporarily fixed in a state where the nut 28 is loosened.

  In this state, the support plate portion 4 is fixed by the band 3 at a predetermined height position of the pole 1. The mounting base 5 can be fixed to the support plate portion 4 on the ground. However, when the weight increases and the workability deteriorates, the support base portion 4 is first fixed to the pole 1 and then the mounting base. 5 may be fixed to the support plate portion 4.

  Next, the housing 16 of the electric device storage box is lifted by a crane or the like, the housing fixing bracket 17 is placed on the upper side of the connecting bracket 12, and the bottom surface of the housing 16 is placed on the two rail members 6. Then, the two rail members 6 are adjusted, and the casing 16 is fixed to the pole mounting bracket 2 at the upper and lower portions. If the electric device storage box is lightweight, it can be lifted and attached to the pole 1 after mounting the electric device storage box on the ground.

  As described above, in the present invention, the mounting position of the housing mounting bracket 33 can be changed up and down with respect to the support plate portion 4, so that the electric device storage boxes having different sizes are supported by the same bracket. Can do. In the present invention, since the housing 16 of the electric device storage box is received by the mounting base 5, there is no possibility that the housing 16 is deformed even when the electric device storage box is heavy.

DESCRIPTION OF SYMBOLS 1 Pole 2 Pole mounting bracket 3 Band 4 Support plate part 4a Side plate part 4b Weld nut 5 Mounting base 6 Rail member 6a Bottom surface 7 Pole metal fitting 8 Vertical surface 9 Screw hole 10 Screw hole 11 Screw 12 Connection metal fitting 13 Screw hole 14 Nut 15 Recess 16 Housing for electrical equipment storage box 17 Housing fixing bracket 18 Dalma hole 19 Screw 20 Flange portion 21 Bending portion 22 Screw hole 22 Welding nut 23 Horizontal regulating piece 25 Slit 26 Mounting screw 27 Anti-rotation fitting 28 Nut 29 Drooping piece 30 Position restricting step portion 31 Rising piece 32 Position restricting notch 33 Housing mounting bracket

Claims (3)

A pole mounting structure for an electrical equipment storage box in which the housing of the electrical equipment storage box is attached to the pole using a pole mounting bracket. A vertical support plate portion mounted at a position; a mounting base for the housing provided at a lower portion of the support plate portion; and a housing mounting bracket for attaching the housing to the support plate portion. The left and right end portions are bent to the pole side, and a flange portion extending in the vertical direction is provided at the base portion of the mounting base, and the mounting base is fixed to the support plate portion by the flange portion. The size of the housing mounting bracket in the left-right direction is larger than that of the mounting base , and the mounting position of the housing mounting bracket can be changed vertically with respect to the support plate. Equipment storage box pole With structure.   The pole mounting structure for an electric equipment storage box according to claim 1, wherein the housing mounting bracket is fixed to the upper portion of the supporting plate portion with the supporting plate portion sandwiched between the bracket mounting bracket and the pole mounting bracket.   The pole mounting structure for an electric equipment storage box according to claim 1, wherein an overlapping portion with the side surface of the support plate portion is formed in the flange portion.

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