JP6655108B2 - Fixture for pole equipment - Google Patents

Description

  TECHNICAL FIELD The present invention relates to a pole fitting for pole equipment for installing pole equipment such as a transformer on a columnar structure.

  Conventionally, as described in Patent Document 1, for example, a columnar arm portion fixed to a columnar structure (for example, a utility pole) and a transformer attached to the arm portion are provided in the above-described mounting device. And a holding unit for holding.

  The arm portion is formed in a rectangular tube shape, and has a back portion arranged toward the utility pole, and a front portion located in front of the back portion.

  The holding portion is a U-shaped mounting portion that is fitted to the arm portion from above, a locking portion provided on the mounting portion for locking the transformer, and the mounting portion is fixed to the arm portion. Fixing means for

  The transformer locked by the locking portion is disposed in front of the arm portion, more specifically, obliquely forward of an end portion in the longitudinal direction of the arm portion.

  The fixing means includes a bolt inserted into the mounting portion and the arm portion in the front-rear direction in which the rear portion and the front portion are aligned, and a plurality of nuts for fastening the arm portion and the mounting portion by screwing the bolt. It is composed of

  For this reason, the mounting device is assembled by covering the mounting portion on the arm portion and then screwing a nut to the bolt while inserting the bolt through the mounting portion and the arm portion.

Japanese Patent No. 5063522

  By the way, in the above conventional mounting device, the mounting portion is formed in a U-shape so that the holding portion can be easily arranged with respect to the arm portion during the assembling work. And only the bolts of the fixing means are inserted through them.

  Further, in the above conventional mounting device, a gap may be generated between the mounting portion and the arm portion depending on a state of the mounting portion, a state of the arm portion, and a method of arranging the mounting portion on the arm portion. In this case, when the weight of the transformer is applied to the mounting portion, the mounting portion rotates in the circumferential direction around the axis of the bolt of the fixing means, so that the arm portion may be pressed by the mounting portion and cracked. In particular, when the arm portion is made of resin, such a problem becomes more remarkable.

  In view of such circumstances, it is an object of the present invention to provide a pole fitting for pole equipment capable of preventing damage due to weight of the pole equipment.

A mounting device for pole equipment according to the present invention includes a columnar arm body fixed to a columnar structure, a concave external fitting portion externally fitted to the arm body, and a transformer provided at the external fitting portion and a transformer. A fixture having a holding portion capable of holding the arm, fixing means for fixing the fixture to the arm body, detent means for stopping the fixture from rotating with respect to the arm body, and formed in a hollow shape. A reinforcing member disposed in the arm body , wherein the fixing means has a fixing shaft inserted through the mounting tool and the arm body, and the detent means includes the mounting tool and the arm body. possess the fitting and the arm member rotation prevention for the shank to be inserted into and at the insertion in the same direction as the direction of the fixing shank for preparative, the reinforcing member is in deployed condition to the arm body, said Both arms arranged so as to be arranged in a direction orthogonal to the longitudinal direction of the arm body There Ru is configured to abut against the direct or indirect to the inner surface of the arm body.

  According to the mounting device for pole equipment having the above-described configuration, since the fixing shaft portion and the locking shaft portion are inserted in the same direction between the outer fitting portion of the mounting device and the arm body, the pressure Even if the weight of the container is applied to the outer fitting portion, the rotation of the outer fitting portion in the circumferential direction about the axis of the fixing shaft portion is suppressed by the rotation stopping shaft portion. Therefore, the mounting tool for pole equipment can prevent the arm body from being damaged by being pressed by the external fitting portion.

Further , in the arm body, since both ends of the reinforcing member arranged so as to be arranged in a direction orthogonal to the longitudinal direction of the arm body directly or indirectly abut on the inner surface of the arm body, the arm body When a compressive force is applied to the member, the compressive force can be received by the reinforcing member. Therefore, the durability of the arm body against the compressive force can be improved.

  In this case, the fixing means includes a fixing bolt having a male screw part constituting the fixing shaft part, and a fixing nut screwable to the male screw part of the fixing bolt, and the reinforcing member The male screw portion of the fixing bolt may be inserted, and the axial directions of the reinforcing member and the fixing bolt may be aligned.

  According to this configuration, both ends of the reinforcing member are provided on the inner surface of the arm body in the axial direction of the male screw portion of the fixing bolt, that is, in the same direction as the direction in which the head of the fixing bolt and the fixing nut sandwich the outer fitting portion. Since the abutment is made directly or indirectly, the reinforcing member can also receive the compressive force from the fixing bolt and the fixing nut.

  In the pole fitting for pole equipment of the present invention, the locking shaft portion may be inserted through the outer fitting portion on the open end side of the outer fitting portion with respect to the fixing shaft portion. .

  According to this configuration, since the attachment can be prevented from rotating around the arm body at a position away from the fixing shaft, rotation of the attachment around the fixing shaft is easily prevented.

  As described above, the pole fitting for pole equipment of the present invention can provide an excellent effect that damage due to weight of pole equipment can be prevented.

Drawing 1 is a figure which looked at the mounting fixture for pole installation concerning one embodiment of the present invention from the front part side. FIG. 2 is a diagram of the pole fitting for pole equipment according to the embodiment as viewed from the upper surface side. FIG. 3 is an enlarged front view of a fixture for a pole fitting for pole equipment according to the embodiment. FIG. 4 is a cross-sectional view of the pole fitting for pole equipment according to the embodiment, and is a cross-sectional view taken along line IV-IV of FIG. 3. FIG. 5 is an explanatory diagram of the mounting device for pole equipment according to the embodiment, and is an explanatory diagram of the mounting device in use as viewed from the back side. FIG. 6 is an explanatory diagram of the pole fitting for pole equipment according to the same embodiment, and is an explanatory view of the pole fitting in use when viewed from above.

  Hereinafter, a mounting device for pole equipment according to an embodiment of the present invention (hereinafter, referred to as a mounting device) will be described with reference to the accompanying drawings.

  The pole fitting is used when installing on-column equipment on a columnar structure (electric pole in this embodiment). In addition, in this embodiment, as shown in FIG.5 and FIG.6, the pole fitting 1 is demonstrated on the premise that the transformer (pole transformer) D as a pole installation is installed in a telephone pole S. It shall be. Further, the mounting device 1 according to the present embodiment may be used together with the lower support portion 7 that supports the lower end side of the transformer D. In this case, the mounting device 1 includes the upper end of the transformer D. The part side is hooked.

  As shown in FIGS. 1 and 2, the mounting device 1 includes a columnar arm body 2 fixed to a power pole S, a mounting device 3 for attaching a transformer to the arm device 2, and an arm Fixing means 4 for fixing to the body 2; detent means 5 for stopping the attachment 3 from rotating with respect to the arm body 2 (see FIG. 1); and a reinforcing member 6 for reinforcing the arm body 2 (see FIG. 1). 4).

  The arm body 2 is made of resin (for example, made of FRP). The arm body 2 is hollow. More specifically, a through-hole is formed in the arm 2 in the same direction as the longitudinal direction.

  The arm body 2 according to the present embodiment is a square tube (square tube shape), and as shown in FIG. 4, a back portion 20 disposed to face the utility pole S, and a front portion located in front of the back portion 20. 21, an upper surface portion 22 fixed to the electric pole S and arranged above and a lower surface portion 23 fixed to the electric pole S and arranged below.

  The arm body 2 is fixed to the utility pole S in a horizontal posture (a posture in which its longitudinal direction corresponds or substantially corresponds to the horizontal direction). In the present embodiment, a central portion of the arm body 2 in the longitudinal direction is fixed to the utility pole S. Note that, for example, a fixing fitting M for fixing to the utility pole S may be attached to the arm body 2, as shown in FIG.

  As shown in FIG. 3, the attachment 3 is an external fitting portion 30 externally fitted to the arm body 2 and a holding portion 31 provided on the external fitting portion 30, and is a holding portion for holding the transformer. A part 31.

  The outer fitting portion 30 is configured to be placed over the arm body 2 from above. As shown in FIG. 4, the outer fitting portion 30 according to the present embodiment has a plate-like shape and a pair of facing portions 300 facing each other at an interval (interval at which the arm body 2 can be arranged). A connection portion 301 connected to each of the adjacent one end edges of the pair of opposed portions 300.

  A pair of opposing portions 300 extend from the connection portion 301 in the same direction. Therefore, the outer fitting portion 30 is configured such that one concave portion is formed by the pair of opposing portions 300 and the connecting portion 301, and the arm body 2 is disposed in the concave portion. In the present embodiment, the pair of opposing portions 300 and the connection portion 301 are integrated.

  When the outer fitting portion 30 is put on the arm body 2, one of the pair of opposing portions 300 is arranged to face the front surface portion 21 of the arm body 2, and the other opposing portion 300 is The connecting portion 301 is arranged to face the front portion 21 of the body 2, and the connecting portion 301 is arranged to face the top portion 22 of the arm body 2.

  The holding portion 31 is provided upright on the connection portion 301 (the outer surface of the connection portion 301). The holding unit 31 is configured to hold the transformer on the side opposite to the utility pole S with the arm body 2 as a boundary. Further, a part of the transformer held by the holding portion 31 is disposed at a position shifted outward from the end of the arm body 2 in a plan view (see FIG. 6).

  The fixing means 4 includes a fixing bolt 40 inserted through the attachment 3 and the arm body 2, and a fixing nut 41 that can be screwed into the male screw portion 400 of the fixing bolt 40.

  The male screw portion 400 of the fixing bolt 40 is provided between the facing portion 300 of the outer fitting portion 30 and the rear portion 20 and the front portion 21 of the arm body 2 in the front-rear direction in which the rear portion 20 and the front portion 21 of the arm body 2 are aligned. Has been inserted. In other words, the male screw portion 400 of the fixing bolt 40 is also a fixing shaft portion that is inserted through the attachment 3 and the arm body 2.

  The fixing nut 41 is screwed into the male screw part 400 of the fixing bolt 40 inserted through each of the facing parts 300 of the outer fitting part 30 and the rear part 20 and the front part 21 of the arm body 2.

  For this reason, the fixing means 4 positions the fixture 3 with respect to the arm 2 by the fixing shaft, and the fixture 3 of the fixing shaft and the arm body by the head 401 of the fixing bolt 40 and the fixing nut 41. It can be said that the dropout from 2 is prevented.

  In addition, through-holes (hereinafter, referred to as inner fixing holes) H10 are formed at both ends of the rear portion 20 and the front portion 21 (both ends in the longitudinal direction of the arm body 2) at corresponding positions in the front-rear direction. A through hole (hereinafter, referred to as an outer fixing hole) H11 is also formed in the pair of opposing portions 300 at positions corresponding to the front-back direction.

  Further, in the column fitting 1 according to the present embodiment, the outer fitting portion 30 covers the arm body 2, so that the inner fixing hole H10 of the rear portion 20, the inner fixing hole H10 of the front portion 21, and a pair of opposing portions 300. The outer fixing hole H11 can be positioned at a corresponding position in the front-rear direction. The inner fixing hole H10 of the rear portion 20, the inner fixing hole H10 of the front portion 21, and the pair of opposing portions 300 The male screw portion 400 of the fixing bolt 40 is inserted into each outer fixing hole H11.

  The locking means 5 includes a locking bolt 50 that is inserted into the mounting member 3 and the arm body 2 in the front-rear direction, a locking nut 51 that can be screwed into the male screw portion 500 of the locking bolt 50, , Is provided.

  The locking bolt 50 and the fixing bolt 40 are inserted through the attachment 3 and the arm body 2 in the same direction.

  Further, the locking bolt 50 is located on the tip side of the facing portion 300 (the tip side of the facing portion 300 based on the connection portion 301) with respect to the fixing bolt 40. More specifically, the locking bolt 50 is inserted through the pair of opposing portions 300, the rear portion 20, and the front portion 21 below the fixing bolt 40.

  The locking nut 51 is screwed into the male screw portion 500 of the locking bolt 50 inserted through each of the opposed portions 300 of the outer fitting portion 30 and the rear portion 20 and the front portion 21 of the arm body 2.

  For this reason, also in the locking means 5, the locking shaft formed by the male screw portion 500 of the locking bolt 50 uses the head 501 of the locking bolt 50 and the locking nut 51 to mount the fitting 3 and the arm body. Thus, it can be said that dropping of No. 2 is prevented.

  In addition, another through-hole (hereinafter, referred to as an inner detent hole) H20 below the inner fixing hole H10 is provided at both ends of the rear portion 20 and the front portion 21 (both ends in the longitudinal direction of the arm body 2). In the formed pair of opposing portions 300, another through-hole (hereinafter, referred to as an outer detent hole) H21 is formed below the outer fixed hole H11.

  Further, in the column mounting device 1 according to the present embodiment, the outer fitting portion 30 is put on the arm body 2, so that the inner detent hole H20 of the rear portion 20, the inner detent hole H20 of the front portion 21, and a pair of opposed The outer detent hole H21 of the part 300 can be aligned with the corresponding place in the front-rear direction, and the inner detent hole H20 of the rear part 20, the inner detent hole H20 of the front part 21, The male screw portion 500 of the locking bolt 50 is inserted into each of the outer locking holes H21 of the facing portion 300. That is, the male screw portion 500 of the locking bolt 50 is also a locking shaft portion that is inserted through the attachment 3 and the arm body 2.

  The reinforcing member 6 is cylindrical. When the reinforcing member 6 is disposed in the arm body 2, one end in the axial direction directly abuts on the inner surface of the arm body 2 (the inner surface of the front surface portion 21), and the other end in the axial direction of the arm body 2. It is indirectly in contact with the inner surface (the inner surface of the rear portion 20). In the present embodiment, the other end of the reinforcing member 6 is in contact with the plate member P disposed in a state of being applied to the inner surface of the back surface portion 20. The plate member P is formed in a long shape and is disposed in the arm body 2 in a posture in which its longitudinal direction corresponds to the longitudinal direction of the arm body 2. The plate member P is a member for suppressing a decrease in the strength of the arm body 2 when the arm body 2 is damaged.

  In the present embodiment, the direction in which both ends of the reinforcing member 6 are aligned is the direction in which the front part 21 and the rear part 20 are aligned, the direction in which the pair of opposing parts 300 are aligned, the fixing bolt 40 inserted through the attachment 3 and the arm body 2. , The axial direction of the male screw portion 400, and the axial direction of the male screw portion 500 of the locking bolt 50 inserted through the mounting fixture 3 and the arm body 2.

  Further, the male screw 400 of the fixing bolt 40 is inserted into the inside of the reinforcing member 6 according to the present embodiment.

  The configuration of the column fitting 1 according to the present embodiment is as described above.

  According to the mounting device 1 according to the present embodiment, the outer fitting portion 30 of the attachment 3 and the arm body 2 have the fixing shaft (the male screw 400 of the fixing bolt 40) and the locking shaft ( Since the external thread portion 500) of the locking bolt 50 is inserted in the same direction, even if the weight of the transformer D is applied to the outer fitting portion 30, the outer fitting in the circumferential direction centering on the fixing shaft portion. The rotation of the portion 30 is suppressed by the detent shaft.

  Therefore, for example, there is a case where a gap is generated between the fixture 3 and the arm body 2 due to the state of the fixture 3 and the arm body 2 and the manner of arranging the fixture 3 on the arm body 2. Also, it is possible to prevent the arm body 2 from being damaged by being pressed by the external fitting portion 30.

  Therefore, the pole fitting 1 can have an excellent effect that damage due to the weight of the transformer D can be prevented.

  In addition, in the mounting 1, the one end and the other end of the reinforcing member 6 are arranged in a direction perpendicular to the longitudinal direction of the arm body 2 and the inner surface of the arm body 2 in a direction opposite to each other. (The inner surface of the front surface 21) and the plate material P applied to the inner surface of the arm 2 (the inner surface of the back 20), so that the reinforcing member 6 receives the compressive force applied to the arm 2 Thereby, damage to the arm body 2 can be suppressed.

  In addition, since the reinforcing member 6 of the present embodiment is disposed in the arm body 2 such that both ends are arranged in the front-rear direction, the mounting fixture 3 receiving the weight of the transformer D can be moved in the axial direction of the arm body 2. When the arm moves in the circumferential direction around the center, the compressive force transmitted from the pair of opposed portions 300 of the outer fitting portion 30 to the arm body 2 (the force by which the rotated opposed portion 300 presses the arm body 2 from the outside) is a reinforcing member. You can get it at 6.

  Further, since the male screw portion 400 of the fixing bolt 40 is inserted into the reinforcing member 6 and the axial directions of the reinforcing member 6 and the fixing bolt 40 are aligned with each other, the axial line of the male screw portion 400 of the fixing bolt 40 is formed. One end of the reinforcing member 6 directly abuts the inner surface of the arm body 2 in the same direction as the direction in which the head 401 of the fixing bolt 40 and the fixing nut 41 sandwich the outer fitting portion 30. Since the other end of the reinforcing member 6 is indirectly in contact with the inner surface of the arm 2, the arm 2 receives the compressive force from the fixing bolt 40 and the fixing nut 41 by the reinforcing member 6. Can be. Therefore, the arm 2 is less likely to be damaged when the fixture 3 is fixed to the arm 2 by the fixing means 4.

  In addition, in the column mounting device 1, the locking shaft portion is inserted into the outer fitting portion 30 on the distal end (opening end) side of the outer fitting portion 30 with respect to the fixing shaft portion, and thus is separated from the fixing shaft portion. The attachment 3 can be prevented from rotating with respect to the arm body 2 at the inclined position, whereby the attachment 3 can be easily prevented from rotating around the fixing shaft.

  Further, the fixing means 4 of the mounting device 1 according to the present embodiment is configured such that the head 401 of the fixing bolt 40 is disposed outside the outer fitting portion 30 in the front-rear direction, and the fixing bolt 40 is removed. The fixing nut 41 that prevents the fitting portion 30 and the arm body 2 from coming off is also disposed outside the outer fitting portion 30 in the front-rear direction.

  For this reason, the fixing means 4 does not directly fasten the attachment 3 and the arm body 2 so that even if the fixing bolt 40 moves in the front-rear direction, the arm body 2 is moved from the inside by the fixing means 4. Pressing outward (spreading) can be prevented.

  In addition, the mounting tool for pole equipment of the present invention is not limited to the above-described embodiment, and it goes without saying that various modifications can be made without departing from the spirit of the present invention.

  In the above embodiment, the pole fitting 1 is provided with the transformer D as pole equipment, but is not limited to this configuration. For example, it is also possible to attach column equipment other than the transformer D to the pole fitting 1.

  In the above embodiment, the one end of the reinforcing member 6 is directly in contact with the inner surface of the arm body 2. However, the present invention is not limited to this configuration. For example, the one end of the reinforcing member 6 and the inner surface of the arm body 2 Another member may be interposed between them.

  In the above embodiment, the other end of the reinforcing member 6 is indirectly in contact with the inner surface of the arm body 2. However, the present invention is not limited to this configuration. May be in direct contact with the inner surface of the first member.

  DESCRIPTION OF SYMBOLS 1 ... Mounting | wearing apparatus, 2 ... Arm body, 3 ... Mounting tool, 4 ... Fixing means, 5 ... Detent means, 6 ... Reinforcement member, 7 ... Lower support part, 20 ... Back part, 21 ... Front part, 22 ... upper surface part, 23 ... lower surface part, 30 ... outer fitting part, 31 ... holding part, 40 ... fixing bolt, 41 ... fixing nut, 50 ... locking bolt, 51 ... locking nut, 300 ... facing part , 301 ... connection part, 400 ... male screw part, 401 ... head part, 500 ... male screw part, 501 ... head part, D ... transformer, H10 ... inside fixed hole, H11 ... outside fixed hole, H20 ... inside stop hole, H21: Outside stop hole, M: Fixing bracket, P: Plate material, S: Electric pole

Claims (3)

A column-shaped arm body fixed to the columnar structure, a concave external fitting part externally fitted to the arm body, and a fixture provided on the external fitting part and having a holding part capable of holding a transformer, Fixing means for fixing the mounting tool to the arm body, detent means for stopping the mounting tool from rotating with respect to the arm body, and a reinforcing member disposed in the arm body formed in a tubular shape, The fixing means has a fixing shaft part inserted through the mounting tool and the arm body, and the rotation stopping means is in the same direction as the insertion direction of the fixing shaft part with respect to the mounting tool and the arm body. A rotation shaft inserted into the mounting member and the arm body, wherein the reinforcing member has one end in the axial direction of the reinforcing member in the state of being inserted in the arm body and having the same end as the insertion direction. direction directly in contact with the inner surface of the arm body, said Strong Sohashiragu other end in the axial direction for indirectly on contact to the pillar configured so that equipment on the inner surface of the arm body by the insertion in the same direction of the member.   The fixing means includes a fixing bolt having a male screw portion constituting the fixing shaft portion, and a fixing nut which can be screwed to the male screw portion of the fixing bolt. The mounting tool for pole equipment according to claim 1, wherein the male screw portion of the bolt is inserted, and the axial directions of the reinforcing member and the fixing bolt coincide with each other.   The mounting device for pole equipment according to claim 1, wherein the locking shaft portion is inserted through the outer fitting portion on a release end side of the outer fitting portion with respect to the fixing shaft portion. 4.

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