JP2019154151A - Device for mounting on-pole equipment onto pole - Google Patents

Abstract

To provide a device for mounting on-pole equipment onto a pole, capable of preventing generation of damage caused by a weight of on-pole equipment.SOLUTION: A device for mounting on-post equipment onto a pole includes: a pole-like arm body 2; a fitting device 3 with an externally fitting part 30 in a recessed shape, externally fitted onto the arm body 2 and a retaining part 31 provided on the externally fitting part 30 and capable of retaining a transformer; fixing means 4 for fixing the fitting device 3 on the arm body 2; and locking means 5 for locking the fitting device 3 against the arm body 2. The fixing means 4 has a fixing shaft part inserted into the fitting device 3 and the arm body 2, and the locking means 5 has a locking shaft part inserted into the fitting device 3 and the arm body 2 in the same direction as an insertion direction of the fixing shaft part to the fitting device 3 and the arm body 2.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a column fixture for a pole installation for installing a pole installation such as a transformer in a columnar structure.

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

  The arm portion is formed in a rectangular tube shape, and includes a back surface portion arranged toward the utility pole side and a front surface portion positioned in front of the back surface portion.

  The holding portion has a U-shaped mounting portion that is externally fitted to the arm portion, a locking portion that is provided on the mounting portion and locks the transformer, and fixes the mounting portion to the arm portion. Fixing means.

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

  The fixing means includes a bolt inserted through the mounting portion and the arm portion in the front-rear direction in which the back surface portion and the front surface portion are aligned, and a plurality of nuts that are screwed into the bolt to fasten the arm portion and the mounting portion. It consists of and.

  For this reason, the column tool is assembled by covering the arm portion with the attaching portion and then screwing the nut into the bolt while inserting the bolt into the attaching portion and the arm portion.

Japanese Patent No. 5063522

  By the way, in the conventional columnar tool, 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 assembly work. Only the bolts of the fixing means are inserted into and.

  Moreover, in the above-mentioned conventional columnar tool, there may be a gap between the mounting part and the arm part depending on the state of the mounting part, the state of the arm part, and the way of arranging the mounting part on the arm part. In this case, if the weight of the transformer is applied to the mounting portion, the mounting portion may rotate 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 prominent.

  Then, this invention makes it a subject to provide the mounting tool for pole installations which can prevent the damage by the weight of pole installations in view of this situation.

  A column fixture for a pole installation according to the present invention includes a columnar arm body fixed to a columnar structure, a concave outer fitting portion that fits outside the arm body, and a transformer provided in the outer fitting portion. A fixture having a holding part capable of holding the fixture, a fixing means for fixing the fixture to the arm body, and a rotation stopping means for preventing the attachment tool from rotating with respect to the arm body. Has a fixing shaft portion inserted through the attachment tool and the arm body, and the rotation stopping means is attached in the same direction as the insertion direction of the fixing shaft portion with respect to the attachment tool and the arm body. And an anti-rotation shaft portion inserted through the arm body.

  According to the column fixture for a pole installation having the above-described structure, the fixing shaft portion and the rotation shaft portion are inserted in the same direction into the outer fitting portion and the arm body of the fixture. 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 around the axis of the fixing shaft portion is suppressed by the rotation stopping shaft portion. Therefore, the columnar equipment for the pole equipment can suppress the arm body from being damaged by being pressed by the outer fitting portion.

  In addition, a column fixture for a pole installation according to the present invention includes a reinforcing member disposed in the arm body formed in a hollow shape, and the reinforcing member is disposed in the arm body in the state of being disposed in the arm body. Both ends arranged so as to be aligned in a direction orthogonal to the longitudinal direction of the body may be configured to directly or indirectly contact the inner surface of the arm body.

  According to such a configuration, both ends of the reinforcing members arranged so as to be aligned in a direction orthogonal to the longitudinal direction of the arm body in the arm body are configured to directly or indirectly contact the inner surface of the arm body. Therefore, when a compressive force is applied to the arm body, the compressive force can be received by the reinforcing member. Therefore, the durability against the compressive force of the arm body can be improved.

  In this case, the fixing means includes a fixing bolt having a male screw portion constituting the fixing shaft portion, and a fixing nut that can be screwed to the male screw portion of the fixing bolt, and the reinforcing member includes The male screw portion of the fixing bolt may be inserted, and the axial directions of the reinforcing member and the fixing bolt may coincide with each other.

  According to such a configuration, both ends of the reinforcing member are 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 head of the fixing bolt and the fixing nut sandwich the outer fitting portion. Since it abuts directly or indirectly, the compression force from the fixing bolt and the fixing nut can also be received by the reinforcing member.

  Further, in the columnar equipment for a pole installation according to the present invention, the turning shaft portion may be inserted into the outer fitting portion on the open end side of the outer fitting portion with respect to the fixing shaft portion. .

  According to such a configuration, since the fixture can be prevented from rotating with respect to the arm body at a position away from the fixing shaft portion, rotation of the fixture around the fixing shaft portion is easily prevented.

  As described above, the columnar fixture for a pole installation according to the present invention can have an excellent effect of preventing damage due to the weight of the pole installation.

Drawing 1 is a figure which looked at the column fixture for pole equipment concerning one embodiment of the present invention from the front part side. FIG. 2: is the figure which looked at the column fixture for pole equipment concerning the embodiment from the upper surface part side. FIG. 3 is an enlarged front view of the fixture of the column fixture for pole equipment according to the embodiment. FIG. 4 is a cross-sectional view of the columnar fixture for pole equipment according to the embodiment, and is a cross-sectional view taken along line IV-IV in FIG. 3. FIG. 5: is explanatory drawing of the column fixture for pole equipment concerning the embodiment, Comprising: It is explanatory drawing which looked at the column fixture in use condition from the back side. FIG. 6 is an explanatory diagram of the columnar fixture for the pole equipment according to the embodiment, and is an explanatory diagram of the columnar fixture in use as viewed from the upper surface side.

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

  A pole fixture is used when installing a pole installation in a columnar structure (electric pole in this embodiment). In addition, in this embodiment, as shown in FIG.5 and FIG.6, the pole fixture 1 is demonstrated on the assumption that the transformer (pillar transformer) D as pole installation is installed in the utility pole S. FIG. I will do it. Moreover, the column tool 1 which concerns on this embodiment may be used with the lower side support part 7 which supports the lower end part side of the transformer D, and the upper end of the transformer D is used for the column tool 1 in this case. Part side is hooked.

  As shown in FIG. 1 and FIG. 2, the pole fixture 1 includes a columnar arm body 2 fixed to the utility pole S, a fixture 3 for attaching a transformer to the arm body 2, and an arm for the fixture 3. A fixing means 4 for fixing to the body 2, a rotation stopping means 5 (see FIG. 1) for preventing rotation of the fixture 3 with respect to the arm body 2, and a reinforcing member 6 for reinforcing the arm body 2 (FIG. 4).

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

  The arm body 2 according to the present embodiment is a rectangular tube (square tube shape), and as shown in FIG. 4, a back surface portion 20 disposed to face the utility pole S and a front surface portion positioned in front of the back surface portion 20. 21, an upper surface portion 22 that is disposed on the upper side while being fixed to the electric pole S, and a lower surface portion 23 that is disposed on the lower side while being fixed to the electric pole S.

  The arm body 2 is fixed to the utility pole S in a horizontal attitude (an attitude in which the longitudinal direction of the arm body 2 corresponds or substantially corresponds to the horizontal direction). In the present embodiment, the central portion of the arm body 2 in the longitudinal direction is fixed to the utility pole S. For example, as shown in FIG. 6, fixing arm M for fixing to the utility pole S may be attached to the arm body 2.

  As shown in FIG. 3, the fixture 3 includes an outer fitting portion 30 that is fitted onto the arm body 2 and a holding portion 31 that is provided on the outer fitting portion 30, and holds the transformer. Part 31.

  The outer fitting part 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 pair of facing portions 300 that are plate-like and are disposed to face each other with an interval (an interval at which the arm body 2 can be arranged), And a connecting portion 301 connected to each of the adjacent one end edges of the pair of facing portions 300.

  A pair of facing portions 300 extend in the same direction from the connection portion 301. For this reason, the outer fitting portion 30 is configured such that one recess is formed by the pair of facing portions 300 and the connection portion 301, and the arm body 2 is disposed in the recess. In the present embodiment, the pair of facing portions 300 and the connecting portion 301 are an integrated object.

  Then, when the outer fitting portion 30 is put on the arm body 2, one opposing portion 300 of the pair of opposing portions 300 is disposed to face the front surface portion 21 of the arm body 2, and the other opposing portion 300 is the arm. The front portion 21 of the body 2 is disposed to face the front surface portion 21, and the connection portion 301 is disposed to face the upper surface portion 22 of the arm body 2.

  The holding part 31 is erected on the connection part 301 (the outer surface of the connection part 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. Furthermore, the transformer held by the holding unit 31 is arranged at a position where a part thereof is shifted outward from the end of the arm body 2 in plan view (see FIG. 6).

  The fixing means 4 includes a fixing bolt 40 that is inserted through the fixture 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 includes the opposing portions 300 of the outer fitting portion 30, the back surface portion 20 and the front surface portion 21 of the arm body 2 in the front-rear direction in which the back surface portion 20 and the front surface portion 21 of the arm body 2 are aligned. Is inserted. That is, the male screw portion 400 of the fixing bolt 40 is also a fixing shaft portion that is inserted through the fixture 3 and the arm body 2.

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

  Therefore, the fixing means 4 positions the fixture 3 with respect to the arm body 2 by the fixing shaft portion, and the fixing shaft 3 and the arm body of the fixing shaft portion by the head 401 of the fixing bolt 40 and the fixing nut 41. It can be said that it prevents the dropout from 2.

  Note that through holes (hereinafter referred to as inner fixing holes) H10 are formed at positions corresponding to each other in the front-rear direction at both ends of the back portion 20 and the front portion 21 (both ends in the longitudinal direction of the arm body 2). The pair of facing portions 300 also have through holes (hereinafter referred to as outer fixing holes) H11 at positions corresponding to the front and rear direction.

  Moreover, in the columnar tool 1 according to the present embodiment, the arm body 2 is covered with the outer fitting portion 30, whereby the inner fixing hole H <b> 10 of the rear surface portion 20, the inner fixing hole H <b> 10 of the front surface portion 21, and the pair of facing portions 300. The outer fixing hole H11 can be aligned with the corresponding position in the front-rear direction, and the inner fixing hole H10 of the back surface portion 20, the inner fixing hole H10 of the front surface portion 21, and the pair of opposing portions 300 are arranged. 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 through the fixture 3 and the arm body 2 in the front-rear direction, and a locking nut 51 that can be screwed into the male thread portion 500 of the locking bolt 50. It is equipped with.

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

  Further, the locking bolt 50 is located closer to the distal end side of the facing portion 300 than the fixing bolt 40 (the distal end side of the facing portion 300 when the connection portion 301 is used as a reference). More specifically, the locking bolt 50 is inserted through the pair of facing portions 300, the back surface portion 20, and the front surface portion 21 below the fixing bolt 40.

  The locking nut 51 is screwed into the male threaded portion 500 of the locking bolt 50 inserted through the opposing portions 300 of the outer fitting portion 30, the back surface portion 20 and the front surface portion 21 of the arm body 2.

  Therefore, also in the locking means 5, the locking shaft portion constituted by the male screw portion 500 of the locking bolt 50 is attached to the fixture 3 and the arm body by the head 501 of the locking bolt 50 and the locking nut 51. It can be said that falling out of 2 is prevented.

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

  Moreover, in the columnar tool 1 which concerns on this embodiment type | system | group, by covering the arm part 2 with the external fitting part 30, the inner side rotation hole H20 of the back surface part 20, the inner side rotation hole H20 of the front surface part 21, and a pair of opposing The outer stop hole H21 of the portion 300 can be aligned with the corresponding position in the front-rear direction, and the inner stop hole H20 of the back surface portion 20, the inner stop hole H20 of the front surface portion 21, and a pair A male threaded portion 500 of the locking bolt 50 is inserted into each outer rotation stop hole H21 of the facing portion 300. That is, the male threaded portion 500 of the locking bolt 50 is also a locking shaft portion that is inserted through the fixture 3 and the arm body 2.

  The reinforcing member 6 is cylindrical. In a state where the reinforcing member 6 is disposed in the arm body 2, one end in the axial direction directly contacts the inner surface of the arm body 2 (the inner surface of the front portion 21), and the other end in the axial direction is the arm body 2. It is indirectly in contact with the inner surface (the inner surface of the back surface portion 20). In the present embodiment, the other end of the reinforcing member 6 is in contact with the plate material P arranged 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 the longitudinal direction of the plate material P corresponds to the longitudinal direction of the arm body 2. The plate material P is a member for suppressing a decrease in 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 surface portion 21 and the back surface portion 20 are aligned, the direction in which the pair of facing portions 300 are aligned, and the fixing bolt 40 inserted through the fixture 3 and the arm body 2. This corresponds to 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 fixture 3 and the arm body 2.

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

  The configuration of the columnar tool 1 according to the present embodiment is as described above.

  According to the columnar tool 1 according to this embodiment, the outer fitting portion 30 of the fixture 3 and the arm body 2 are provided with a fixing shaft portion (a male screw portion 400 of the fixing bolt 40) and a rotation stopping shaft portion ( Since the male screw 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 rotation stopping shaft portion.

  Therefore, for example, there is a gap between the fixture 3 and the arm body 2 due to the influence of the state of the fixture 3 and the arm body 2 and the manner in which the fixture 3 is arranged on the arm body 2. Moreover, it can suppress that the arm body 2 is pressed by the external fitting part 30, and is damaged.

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

  Further, in the pillar device 1, one end and the other end of the reinforcing member 6 are arranged in a direction orthogonal to the longitudinal direction of the arm body 2, and the inner surface of the arm body 2 is in a direction opposite to each other. Since it is in contact with the plate material P applied to the inner surface (the inner surface of the front surface portion 21) and the inner surface of the arm body 2 (the inner surface of the rear surface portion 20), the reinforcing member 6 receives the compressive force applied to the arm body 2. Thus, damage to the arm body 2 can be suppressed.

  In addition, since the reinforcing member 6 of this embodiment is arrange | positioned in the arm body 2 so that both ends may be located in a line with the said front-back direction, the fixture 3 which received the weight of the transformer D is the axial direction of the arm body 2. A reinforcing member that compresses the force (the force that the rotated facing portion 300 presses the arm body 2 from the outside) transmitted from the pair of facing portions 300 of the outer fitting portion 30 to the arm body 2 when moving in the circumferential direction centered on 6 can be received.

  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 the same, the axis of the male screw portion 400 of the fixing bolt 40 is the same. One end of the reinforcing member 6 directly contacts the inner surface of the arm body 2 in the same direction, that is, 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 body 2, the arm body 2 receives the compressive force from the fixing bolt 40 and the fixing nut 41 by the reinforcing member 6. Can do. Therefore, when the fixture 3 is fixed to the arm body 2 by the fixing means 4, the arm body 2 is hardly damaged.

  And in the column tool 1, since the shaft part for rotation is inserted in the outer fitting part 30 by the front-end | tip (release end) side of the outer fitting part 30 rather than the fixing shaft part, it leaves | separates from the fixing shaft part. Accordingly, the attachment 3 can be prevented from rotating with respect to the arm body 2, and this makes it easy to prevent the attachment 3 from rotating around the fixing shaft portion.

  Furthermore, the fixing means 4 of the columnar tool 1 according to the present embodiment is 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 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.

  Therefore, by adopting a structure in which the fixing unit 4 does not directly fasten the fixture 3 and the arm body 2, even if the fixing bolt 40 moves in the front-rear direction, the arm body 2 is moved from the inside by the fixing unit 4. It is possible to prevent pressing toward the outside (spreading).

  In addition, the column fixture for pole installations of this invention is not limited to the said one Embodiment, Of course, in the range which does not deviate from the summary of this invention, various changes are made.

  In the said embodiment, although the transformer D as a pole installation was attached to the column fixture 1, it is not limited to this structure. For example, it is possible to attach a pole installation other than the transformer D to the pillar device 1.

  In the said embodiment, although the said one end of the reinforcement member 6 contact | abutted directly to the inner surface of the arm body 2, it is not limited to this structure, For example, the said one end of the reinforcement member 6 and the inner surface of the arm body 2 Another member may be interposed between them.

  In the said embodiment, although the said other end of the reinforcement member 6 contact | abutted indirectly to the inner surface of the arm body 2, it is not limited to this structure, For example, the said other end of the reinforcement member 6 is the arm body 2 You may contact | abut directly with respect to the inner surface.

  DESCRIPTION OF SYMBOLS 1 ... Posting tool, 2 ... Arm body, 3 ... Mounting tool, 4 ... Fixing means, 5 ... Stopping means, 6 ... Reinforcing member, 7 ... Lower side support part, 20 ... Back part, 21 ... Front part, 22 DESCRIPTION OF SYMBOLS ... Upper surface part, 23 ... Lower surface part, 30 ... Outer fitting part, 31 ... Holding part, 40 ... Fixing bolt, 41 ... Fixing nut, 50 ... Stop bolt, 51 ... Stop nut, 300 ... Opposite part , 301 ... connection part, 400 ... male screw part, 401 ... head, 500 ... male screw part, 501 ... head, D ... transformer, H10 ... inner fixing hole, H11 ... outer fixing hole, H20 ... inner rotation hole, H21: Outside stop hole, M: Fixing bracket, P: Plate material, S: Utility pole

Claims (4)

  A columnar arm body fixed to the columnar structure, a concave outer fitting portion fitted on the arm body, and a fixture having a holding portion provided on the outer fitting portion and capable of holding a transformer; A fixing means for fixing the fixture to the arm body; and a rotation stopping means for preventing the attachment tool from rotating with respect to the arm body. The fixing means is inserted through the fixture and the arm body. And the rotation stopping means is inserted into the fixture and the arm body in the same direction as the insertion direction of the fixation shaft portion with respect to the fixture and the arm body. Pillar fixture for on-pillar equipment with a shaft.   A reinforcing member disposed in the arm body formed in a hollow shape is provided, and the reinforcing member is arranged in a direction perpendicular to the longitudinal direction of the arm body in a state of being disposed in the arm body. The pillar fixture for on-pillar equipment according to claim 1, wherein both ends to be abutted directly or indirectly against the inner surface of the arm body.   The fixing means includes a fixing bolt having a male screw portion constituting the fixing shaft portion, and a fixing nut that can be screwed into the male screw portion of the fixing bolt, and the reinforcing member has the fixing bolt. The pillar tool for on-pillar equipment according to claim 2, wherein the male thread portion of the bolt is inserted and the axial directions of the reinforcing member and the fixing bolt coincide with each other.   4. The pole-mounted equipment according to claim 1, wherein the rotation-preventing shaft portion is inserted into the outer fitting portion at a release end side of the outer fitting portion with respect to the fixing shaft portion. Pillar for use.

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