JP2008245432A - Reinforcing tool of arm metal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To ensure safety at a part for installing an arm metal by obtaining a reinforcement tool for enhancing the fixing strength of arm metals, including existing arm metal. <P>SOLUTION: The reinforcing tool 10 of an arm metal 110, secured to the way of a pole 100 and supported under a state extending into the air by inserting a bolt 101, projecting from the outer surface side of the pole into a through hole and screwing a nut over the projecting bolt, comprises a belt member 11 being wound around the outer surface of the pole and secured thereto, a member 21 to be coupled with both the belt member and the arm metal near the through hole for inserting the projecting bolt, with the coupling member has a vertical portion 22 screwed to the belt member side, and a horizontal portion 23 screwed to the arm metal side. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a brace brace, and more particularly, to a brace that can improve the mounting strength of a brace installed when an electric wire or a communication line is installed on a utility pole or the like.

Conventionally, it has been carried out to attach a brace that can install a plurality of insulators that support electric wires or the like in a horizontal direction to a power pole for laying an electric wire or a communication line (for example, see Patent Documents 1 and 2). For example, as shown in FIG. 11, a projecting bolt 101 in a state of projecting from the outer peripheral surface of the utility pole 100 is passed through the arm metal 110 and a mounting nut 102 is screwed, so that the arm metal 110 is screwed to the utility pole 100. To be done. In addition, the slant member 120 in FIG. 11 supports the arm metal 110 horizontally by being screwed to the utility pole 100 and the arm metal 110 at both ends separated from the projecting bolt 101.
JP 2006-31774 A JP 2006-340473 A

  However, since such a conventional arm 110 has a structure in which the protruding bolt 101 is passed through and screwed to the utility pole 100, for example, when the electric wire receives a strong wind or the like and greatly swings. When the snow is piled up on the electric wire, there is a possibility that the screwing point may be damaged, such as the projecting bolt 101 being lost due to a load higher than the design applied to the arm metal 110. When the screwing location of the arm metal 110 is damaged, there is a problem that the installed electric wire or the like may be greatly lowered to be in a dangerous state.

  Accordingly, an object of the present invention is to realize a reinforcing tool that improves the mounting strength of a brace including an existing brace, and to secure safety at the location where the brace is installed.

  A first invention of a brace metal bracing tool that solves the above-described problem is that a projecting bolt projecting from the outer surface side of a utility pole is inserted into a through hole, and a nut is screwed into the projecting bolt, so that A brace metal brace that is fixed and supported in a state of extending in the air, the belt member being wound around and fixed to the outer surface of the utility pole, and the arm in the vicinity of the through hole through which the belt member and the projecting bolt penetrate. And a connecting member connected to both of the gold.

  In the present invention, the vicinity of the through hole of the arm metal screwed by penetrating (inserting) the protruding bolt on the outer surface of the utility pole can be connected to the belt member wound around the utility pole via the connecting member. Therefore, the brace can be attached to the utility pole by the connecting member and the belt member together with the protruding bolt, and the attachment strength of the brace to the utility pole can be improved.

  According to a second invention of a brace brace that solves the above problems, in addition to the specific matters of the first invention, the connecting member includes a first screwing portion that is screwed to the belt member side, and an armrest side. A second screwing portion that is screwed to each other, and the connection member and the belt member are provided with one or two sets that can be installed on one or both of the upper side and the lower side of the arm metal. Is.

  In this invention, the attachment strength of the arm metal is improved by screwing and connecting the vicinity of the through hole of the arm metal screwed to the projecting bolt on the outer surface of the power pole and the belt member wound around the power pole to the coupling member. By installing the belt member and the connecting member on the upper side and the lower side, the attachment strength can be made stronger. Therefore, the arm metal can be screwed separately from the projecting bolt to improve the mounting strength of the arm metal to the utility pole. Here, when there is a through hole into which the bolt part of the pin insulator is inserted in the arm metal, the connecting member may be screwed using the through hole without drilling the through hole.

  According to a third invention of a brace brace for solving the above-mentioned problems, in addition to the specific matter of the first invention, the belt member includes two sets that can be installed on both the upper side and the lower side of the brace. And the connecting member has a first screwing portion that is screwed to the upper and lower belt member sides, and a holding portion that holds the arm metal in contact with the outer surface of the arm metal between the belt members. It is characterized by.

  In this invention, the holding part of the connecting member that is screwed to the belt member that is wound around the upper and lower sides of the electric pole is held in contact with the vicinity of the through hole of the armor screwed to the protruding bolt on the outer surface of the electric pole. Can do. Therefore, without connecting a through hole for a bolt to be screwed to the arm metal, the connecting member is brought into contact with and supported by the outer surface in the vicinity of the through hole of the arm metal screwed to the utility pole by the protruding bolt. It is possible to improve the mounting strength of the brace to the utility pole.

  In addition to the specific matters of the third invention, the fourth invention of the brace brace that solves the above-described problems is that the holding portion of the connecting member is provided on the upper belt member side and the lower belt member side. It has a second screwing portion which is divided into two parts and is separated from each other and connected by screwing.

  In this invention, the connecting members that are brought into face contact with each other in the vicinity of the through hole of the arm metal screwed to the protruding bolt on the outer surface of the utility pole can be screwed together and tightened (connected) in a direction approaching each other. At the same time as bringing the connecting member into contact with each other from the lateral direction (direction of tightening the electric pole toward the belt member), the connecting member can be attached to the arm metal so as to be brought into contact with each other so as to be tightened from above and below. Therefore, the connecting member can be brought into stronger contact with the outer surface of the arm metal to support the arm metal, and the mounting strength of the arm metal to the utility pole can be further improved.

  As described above, according to the present invention, the brace that is screwed to the utility pole can be connected to the belt member that is wound around the utility pole via the connecting member, so that only the screwing by the protruding bolt at one location is possible. In addition, the brace can be attached to the belt member wound around the utility pole via the connecting member, and the attachment strength of the brace to the utility pole can be improved. Therefore, the brace can be firmly attached to the utility pole, and safety can be improved. In addition, since this belt member and connecting member can be installed separately from the screwing of the arm metal by the projecting bolt projecting from the outer surface of the utility pole, it can be added to the existing arm metal, improving the mounting strength. Safety.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, the best embodiment of the invention will be described with reference to the drawings. FIGS. 1-4 is a figure which shows 1st Embodiment of the brace brace according to this invention. Here, this embodiment can be used to reinforce the brace 110 of the utility pole 100 described in the prior art illustrated in FIG. 11, and therefore will be described using the same reference numerals (other embodiments described below). The same applies to the above).

  In FIG. 1, the reinforcing tool 10 of the arm metal 110 includes a belt member 11 that is wound around and fixed to the outer peripheral surface of the electric pole 100, and a connecting member 21 that is screwed to both the belt member 11 and the arm metal 110. It is configured in a set, and here, it is used so as to be disposed above and below the brace 110 for reinforcement. In the present embodiment, a case where two sets of the reinforcing tools 10 are used will be described as an example. However, one set of the reinforcing tools 10 may be installed on the upper side or the lower side of the arm metal 110 to be used for reinforcement. Needless to say.

  As shown in FIG. 2, the belt member 11 includes one first belt portion 12 that is manufactured to have a length that can be wound around a half circumference of the utility pole 100, and a quarter circumference of the utility pole 100. And two second belt portions 13 each having a length that can be wound around. The first belt portion 12 has connection bolts 15 for screwing a connection nut 14 standing on both ends. In addition, the second belt portion 13 is formed with a connecting hole (not shown) on one end side that is open to be screwed by inserting the connecting bolt 15 of the first belt portion 12. Further, when the second belt portion 13 is screwed to the both ends of the first belt portion 12 by the connecting bolt 15 and the connecting nut 14 and wound around the outer peripheral surface of the utility pole 100, the second belt portion 13 faces in a separated state. A locking portion 16 is formed on the other end side, and a locking bolt (not shown) is formed in the locking portion 16 so that a fixing bolt 18 for screwing the fixing nut 17 is inserted and can be screwed. Has been.

  As a result, the belt member 11 is screwed at one end side of the second belt portion 13 around both ends of the first belt portion 12 and wound around the outer peripheral surface of the utility pole 100, and the other end side of the second belt portion 13. By fixing the locking portions 16 to each other by screwing them, the utility pole 100 can be tightened and firmly fixed.

  As shown in FIG. 3, the connecting member 21 is formed by forming a plate-like material so that the longitudinal cross-sectional shape is substantially L-shaped, and this connecting member 21 corresponds to the L-shaped vertical side. Connecting holes 22a and 23a are formed in the vertical part (first screwing part) 22 and the horizontal part (second screwing part) 23 corresponding to the horizontal side so that the connection bolts 15 and 25 can be inserted. Yes.

  As a result, as shown in FIG. 4, the connecting member 21 inserts the connecting bolt 15 of the belt member 11 fixed to the upper and lower sides of the arm metal 110 into the connecting hole 22 a of the vertical portion 22 and attaches the connecting bolt 15 to the connecting bolt 15. By screwing the connecting nut 14, the upper and lower belt members 11 can be connected to each other, and the horizontal portion 23 for each belt member 11 can be screwed in a state where the upper and lower surfaces of the arm metal 110 are in contact with each other. .

  Further, the connecting member 21 is opened in advance in order to insert a bolt of a pin insulator (not shown) in the vicinity of a portion where the arm metal 110 is screwed to the utility pole 100 by the protruding bolt 101 and the mounting nut 102. The through bolt 110a is used (without newly drilling a through hole or the like in the arm 110), and the connecting bolt 25 is inserted into the connecting hole 23a of the horizontal portion 23 and the through hole 110a to penetrate the connecting hole 23a. By screwing the connecting nut 26 into the bolt 25, the arm 110 can be tightened and firmly fixed.

  Here, in this connecting member 21, both sides 22b, 23b of the vertical portion 22 and the horizontal portion 23 are curved outward, and when screwing, both sides of the vertical portion 22 and the horizontal portion 23 are curved. By tightening 22b and 23b in a state where they are pressed against the other side, they can be screwed so as not to loosen due to the spring effect.

  The connecting member 21 of the reinforcing tool 10 has a notch groove 23d formed in the center of the end of the short horizontal portion 23, with the tip 23c of the short horizontal portion 23 being warped. Insert the tip of the L-shaped bolt into the L-bolt and insert the body of the L-shaped bolt into the notch groove 23d and tighten it with a nut to sandwich, for example, a communication cable between the L-shaped bolt and the horizontal portion 23. It is used as a hanging tool to be supported (built) and can be used in common.

  As described above, in the present embodiment, the belt member 11 firmly fixed to the outer surface of the utility pole 100 positioned above and below the arm metal 110 and the arm metal 110 can be coupled by the coupling member 21, and the projection of the utility pole 100 can be performed. The brace 110 can be attached to the utility pole 100 together with the bolt 101. Therefore, by using the reinforcing tool 10, the attachment strength of the arm 110 to the utility pole 100 can be improved, and the safety can be improved. In addition, since it is not necessary to remove the existing arm metal 110 or the like, the reinforcing tool 10 can be retrofitted to the arm metal 110 to improve its attachment strength and ensure safety.

  Next, FIGS. 5-7 is a figure which shows 2nd Embodiment of the reinforcement tool of the brace according to this invention. Here, since this embodiment is configured in substantially the same manner as the above-described embodiment, the same reference numerals are used for the same configuration, and the characteristic portions will be described (the same applies to other embodiments described below). ).

  In FIG. 5, the reinforcing tool 30 of the arm metal 110 refracts the plate-like material together with the belt member 11 fixed above and below the arm metal 110 of the utility pole 100 instead of the connecting member 21 in the first embodiment. It is comprised by using the connection member 31 produced by.

  As shown in FIG. 6, the connecting member 31 includes a holding portion 32 having a substantially U-shaped longitudinal section so that the arm metal 110 can be accommodated and held therein, and the holding portion 32. And a flat portion 33 formed so as to be bent at right angles from both ends of the wire and extend outward, and the holding portion 32 has a protrusion for screwing the arm metal 110 to the utility pole 100. An interior hole 32a is formed to open the bolt 101 and the mounting nut 102 so that the interior can be installed, and the flat portion 33 is opened so that the connection bolt 15 of the belt member 11 can be inserted so as to constitute the first screwing portion. A connecting hole 33a is formed. The connecting member 31 is formed to be wider than the connecting member 21 in the first embodiment because the holding hole 32 is formed with an internal hole 32a that houses the protruding bolt 101 of the arm 110 and the mounting nut 102. ing.

  Thereby, as shown in FIG. 7, the connecting member 31 faces the armor 110 by covering the arm 110 with the holding portion 32 by placing the protruding bolt 101 and the mounting nut 102 in the interior hole 32a. The connecting bolt 15 of the belt member 11 fixed to the upper and lower sides of the arm metal 110 can be inserted into the connecting hole 33a of the flat portion 33 and the connecting nut 14 can be connected to the connecting bolt. The belt member 11 can be screwed to the belt member 11 by being screwed to the belt 15.

  Here, the connecting member 31 sets the depth D of the holding portion 32 to be shallower than the dimension obtained by subtracting the thickness d of the belt member 11 from the width W1 of the upper surface of the arm 110 (D <W1-d). When the flat surface portion 33 is screwed to the belt member 11, the side surface of the arm metal 110 can be tightened so as to be pressed by the holding portion 32 and firmly fixed.

  As described above, in the present embodiment, the arm metal 110 can be held by the connecting member 31 that is screwed to the belt member 11 that is firmly fixed to the outer surface of the utility pole 100 positioned above and below the arm metal 110 and is connected. The brace 110 can be attached to the utility pole 100 together with the protruding bolt 101 of the utility pole 100. Therefore, the strength of attachment of the arm 110 to the utility pole 100 can be improved by using the reinforcing tool 30, and safety can be improved. Further, since the reinforcing tool 30 does not require a through-hole or the like that is screwed to the arm metal 110, it can be retrofitted to the arm metal 110 to improve its mounting strength and ensure safety.

Next, FIGS. 8-10 is a figure which shows 3rd Embodiment of the brace brace according to this invention.
In FIG. 8, the reinforcing member 40 of the arm metal 110 has a deformed L-shaped longitudinal cross-section along with the belt member 11 fixed on the upper and lower sides of the arm metal 110 of the utility pole 100 instead of the connecting member 31 in the second embodiment. It is configured by using two connecting members 41 produced by refracting a plate material so as to have a shape.

  As shown in FIG. 9, the connecting member 41 includes a vertical portion 42 corresponding to the L-shaped vertical side, a horizontal portion 43 corresponding to the L-shaped horizontal side, and the vertical portion 42 extending from the tip side of the horizontal portion 43. An extension 44 extending in the opposite vertical direction and a protrusion 45 protruding in the opposite vertical direction of the horizontal portion 43 from the distal end side of the extension 44 are formed. The vertical portion 42 is formed with a connection hole 42a that is open so that the connection bolt 15 of the belt member 11 can be inserted therein, and the vertical portion 42 screwes the connection nut 14 into the connection bolt 15 so that the belt member is engaged. A first screwing portion to be screwed to 11 is configured. In addition, the protrusion 45 is formed at two locations where connecting holes 45a that are open to allow insertion of tightening bolts 47, which will be described later, are spaced apart in the width direction. The 2nd screwing part which screws members 41 together is comprised. On the other hand, the horizontal portion 43 is formed to a depth L (depth D of the holding portion 32 of the connecting member 31 in the above embodiment) substantially equal to the width W1 of the upper surface of the arm metal 110, and the extension portion 44 is the arm metal 110. The extension portion 44 is formed so as to be in contact with the side surface of the metal plate, and the extension portion 44 has a height that does not touch the protruding bolt 101 and the mounting nut 102 protruding from the side surface in order to fix the arm metal 110 to the utility pole 100. Is formed. The connecting member 41 may be screwed by tightening the protruding portions 45 with one tightening bolt 47, but in this embodiment, the connecting member 41 is designed to be tightened with two tightening bolts 47. Therefore, it is formed wider than the connecting members 21 and 31 in the above embodiment.

  As a result, as shown in FIG. 10, the connecting member 41 inserts the connecting bolt 15 of the belt member 11 fixed to the upper and lower sides of the arm metal 110 into the connecting hole 42 a of the vertical portion 42 to connect the connecting nut 14. By screwing into the connecting bolt 15, the horizontal portion 43 can be screwed to each of the belt members 11 in a state of contacting the upper surface and the lower surface of the arm metal 110. Further, the connecting member 41 has a tightening bolt 47 inserted into the connecting hole 45a of the projecting portion 45 projecting from the end side of the extension portion 44 in contact with the side surface of the arm metal 110, and the tightening nut 48 is tightened. By screwing with the attached bolt 47, the projecting bolts 101 projecting from the side surface of the arm metal 110 and the mounting nut 102 are not obstructed, and the projecting parts 45 are screwed together to tighten the arm metal 110 firmly. Can be fixed to.

  Here, the connection member 41 sets the depth L of the horizontal portion 43 to be smaller than the width (height) W2 of the side surface of the arm 110 (L <W2), whereby the vertical portion 42 is screwed to the belt member 11. When stopping, the upper and lower surfaces of the brace 110 can be fastened and firmly fixed.

  As described above, in the present embodiment, the arm metal 110 can be held by the connecting member 41 that is screwed and connected to the belt member 11 that is firmly fixed to the outer surface of the utility pole 100 positioned above and below the arm metal 110. The arm bracket 110 can be attached to the utility pole 100 together with the protruding bolt 101 of the utility pole 100. Therefore, by using the reinforcing tool 40, the attachment strength of the brace 110 to the utility pole 100 can be improved, and safety can be improved. Further, since the reinforcing tool 40 does not require a through-hole or the like that is screwed to the arm metal 110, it can be retrofitted to the arm metal 110 to improve its attachment strength and ensure safety.

  Although one embodiment of the present invention has been described so far, it is needless to say that the present invention is not limited to the above-described embodiment, and may be implemented in various forms within the scope of the technical idea.

BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows 1st Embodiment of the brace brace which concerns on this invention, and is an elevation front view which shows the schematic whole structure. It is a top view which shows the belt member of the principal part components. It is a figure which shows the connection member of the principal part components, (a) is the elevation side view, (b) is the top view. It is the see-through | perspective side view seen from the extending direction of the brace which shows the attachment structure. It is a figure which shows 2nd Embodiment of the brace brace which concerns on this invention, and is an elevation front view which shows the schematic whole structure. It is a figure which shows the connection member of the principal part components, (a) is the elevation front view, (b) is the elevation side view. It is the see-through | perspective side view seen from the extending direction of the brace which shows the attachment structure. It is a figure which shows 3rd Embodiment of the brace brace which concerns on this invention, and is an elevation front view which shows the schematic whole structure. It is a figure which shows the connection member of the principal part components, (a) is the elevation front view, (b) is the elevation side view. It is the see-through | perspective side view seen from the extending direction of the brace which shows the attachment structure. It is an elevation front view which shows the prior art of the attachment structure to the utility pole of the arm metal.

Explanation of symbols

  10, 30, 40 ... Reinforcing tool 11 ... Belt member 14 ... Connection nut 15 ... Connection bolt 16 ... Locking part 17 ... Fixed nut 18 ... Fixed bolt 21, 31, 41 ... Connection Member 22, 42 ...... Vertical part 22 a, 23 a, 33 a, 42 a, 45 a ...... Connecting hole 23 ...... Horizontal part 25 ...... Connecting bolt 26 ...... Connecting nut 32 ...... Holding part 32 a ...... Interior hole 33 ...... Flat surface Part 43 …… Horizontal part 44 …… Extension part 45 …… Protruding part 47 …… Clamping bolt 48 …… Clamping nut 100 …… Power pole 101 …… Protruding bolt 102 …… Mounting nut 110a …… Through hole 110 …… Arm metal 120 ... Diagonal member

Claims (4)

By inserting a projecting bolt projecting from the outer surface side of the utility pole into the through hole and screwing a nut into the projecting bolt, the arm brace supported in a state of being fixed in the middle of the utility pole and extending in the air A reinforcing tool,
A bracelet reinforcing tool comprising: a belt member that is wound around and fixed to an outer surface of a utility pole; and a coupling member that is coupled to both the belt member and a bracelet in the vicinity of a through hole through which a protruding bolt passes. . The connecting member includes a first screwing portion that is screwed to the belt member side, and a second screwing portion that is screwed to the arm metal side.
2. The brace brace according to claim 1, wherein the coupling member and the belt member are provided in one or two sets so as to be installed on one or both of the upper side and the lower side of the brace. The belt member has two sets that can be installed on both the upper side and the lower side of the armrest,
The connecting member includes a first screwing portion that is screwed to the upper and lower belt member sides, and a holding portion that holds the arm metal while facing the outer surface of the arm metal between the belt members. The brace brace according to claim 1.   The holding portion of the connecting member has a second screwing portion that is divided into two parts, an upper belt member side and a lower belt member side, separated from each other and connected by screwing. Item 4. A brace brace according to item 3.

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