JP2013258808A - Bus duct support structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bus duct support structure which enables a bus duct to be smoothly moved in a length direction of the bus duct by heat extention of the bus duct even when minor failures occur in the installation.SOLUTION: A bus duct support structure supports a bus duct 10 installed by a support device 30 provided at a construction. The bus duct support structure comprises: a support member 31 which is fixed at the construction and substantially contacts with the bus duct 10; and a support device 30 fixed to the support member 31 and including an anti-vibration member 33 in which at least a part thereof is formed into a substantially arc shape or a substantially circular shape. The support device 30 restricts vibrations of the bus duct 10 in a width direction and a thickness direction without restricting the expansion and the contraction of the bus duct 10 in a length direction.

Description

  The present invention relates to a bus duct support structure that supports a bus duct laid by a support device provided in a structure, and more particularly, to a bus duct support structure that can prevent catching caused by expansion of the bus duct due to thermal expansion of the bus duct.

  A conventional bus duct support structure is disclosed in Patent Document 1, for example, for a structure that supports a bus duct laid vertically. In Patent Document 1, in a bus duct support system in which a bus duct laid in a vertical direction is supported by a plurality of support devices provided at appropriate intervals between structures, the bus duct is urged upward by an upper support device at least at an upper support portion of the bus duct. The bus duct is fixedly supported to the structure by the lowermost support device at least at the lowermost support portion of the bus duct, and the intermediate portion is supported by a support portion other than the support portion by the upper support device and the lowermost support device. A structure in which a device is provided to restrict the movement of the bus duct in the horizontal direction is disclosed.

  The intermediate support device includes a bus duct intermediate fixing member responsible for fixing to the bus duct and a structure intermediate fixing member responsible for fixing to the structure, and at least the bus duct intermediate fixing member and the structure intermediate A configuration is disclosed in which an intermediate guide member is inserted between the fixing member and the movement of the bus duct in the horizontal direction is restricted. Specifically, a hole is formed in the upper protruding piece of the intermediate fixing member for the structure, and an intermediate guide member having a fixed length that is fixed to the protruding piece of the intermediate fixing member for the bus duct is formed in the hole of the upper protruding piece. By being inserted, the movement in the horizontal direction is restricted.

  Regarding the structure that supports the bus duct installed horizontally, the mounting part that holds the ear part of the bus duct is provided on both sides, and the bus duct assembly screw is installed between the mounting parts. A support portion of a bus duct configured to support via a liner provided with a relief groove is disclosed in Patent Document 2, and a presser fitting is provided so as to press the ear portion of the bus duct.

JP 2002-118939 A Japanese Utility Model Publication No. 56-28817

  However, the invention according to Patent Document 1 certainly regulates the movement in the horizontal direction, but it is necessary to accurately and surely stand the intermediate portion guide member vertically and in a slightly bent state. When standing, there is a risk that the bus duct will not move smoothly due to the expansion of the bus duct due to the thermal expansion of the bus duct or the contraction of the bus duct due to the contraction of the bus duct. You have to pay and construction time is prolonged.

  Further, in the invention according to Patent Document 2, since the presser fitting is a quadrangle in front view (see FIG. 3 of Patent Document 2) and is configured to be in surface contact with the ear portion of the bus duct, When the bolt is fastened, the press fitting rotates, and the press fitting itself bites into the ear portion of the bus duct. As a result, there is a risk that the bus duct may not move smoothly due to the expansion of the bus duct due to the thermal expansion of the bus duct or due to the contraction of the bus duct due to the contraction of the bus duct. It is difficult to shorten the time.

  The present invention has been made in view of the above problems, and facilitates the laying construction of the bus duct. Even if there are some problems in construction, the bus duct is smoothly expanded in the length direction due to thermal expansion and contraction. An object of the present invention is to provide a bus duct support structure that enables smooth movement.

The bus duct support structure of the present invention is a bus duct support structure for supporting a bus duct laid by a support device provided in the structure. The bus duct support structure is fixed to the structure and substantially contacts the bus duct, and the support member And a support device comprising at least a part of an arcuate member or a substantially circular shape that is fixed, the support device does not restrict expansion and contraction in the length direction of the bus duct, and It is characterized by restricting runout of the bus duct in the width direction and the thickness direction.
This configuration facilitates the construction of the bus duct and enables smooth movement according to the expansion and contraction of the bus duct in the length direction caused by the thermal expansion and contraction of the bus duct, even if there are some construction problems. is there.

The bus duct support structure of the present invention is a bus duct support structure for supporting a bus duct installed in a vertical direction by a support device provided in the structure, and a support member fixed to the structure and substantially in contact with the bus duct, A support member that is fixed to the support member, and that includes at least a part of the anti-vibration member formed in a substantially arc shape or a substantially circular shape, and the support device regulates expansion and contraction of the bus duct in the length direction. First, the bus duct is restricted from swinging in the width direction and the thickness direction.
This configuration facilitates the construction of the bus duct laid in the vertical direction and responds to the expansion and contraction in the length direction of the bus duct caused by the thermal expansion and contraction of the bus duct even if there are some construction problems. Smooth movement is possible.

The bus duct support structure according to the present invention is characterized in that the bus duct support structure includes a downward swinging member that is fixed to the bus duct and regulates the downward movement of the bus duct by coming into contact with the upper end of the support member.
With this configuration, it is possible to prevent the downward movement of the bus duct caused by the load of the bus duct itself.

The bus duct support structure of the present invention is a bus duct support structure for supporting a bus duct laid in a horizontal direction by a support device provided in the structure, wherein the support member is fixed to the structure and substantially abuts on the bus duct, A support member that is fixed to the support member, and that includes at least a part of the anti-vibration member formed in a substantially arc shape or a substantially circular shape, and the support device regulates expansion and contraction of the bus duct in the length direction. First, the bus duct is restricted from swinging in the width direction and the thickness direction.
This configuration facilitates the construction of the bus duct laid in the horizontal direction and responds to the expansion and contraction in the length direction of the bus duct caused by thermal expansion and contraction of the bus duct even if there are some construction problems. Smooth movement is possible.

The bus duct support structure of the present invention has a first bracing part that regulates movement of the bus duct in the thickness direction and a second bracing part that regulates movement of the bus duct in a direction away from the support member. And the external shape of the said 1st bracing part is substantially circular, It is characterized by the above-mentioned.
With this configuration, since the bracing member contacts the bus duct in a circle or arc, the bus duct can move smoothly in the length direction caused by the expansion of the bus duct due to the thermal expansion of the bus duct and the contraction of the bus duct due to the contraction of the bus duct. It becomes.

In the bus duct support structure according to the present invention, the bus duct has a flange portion extending outward from both ends in the width direction, a reinforcing portion extending in the thickness direction of the bus duct is formed at an end of the flange portion, and the vibration The locking member has a columnar first bracing part and an annular second bracing part formed so as to protrude from the outer peripheral part of the first bracing part, and the outer surface of the reinforcing part is the The pair of anti-vibration members substantially abut against the support member, and each of the first anti-vibration members sandwiches the side surface of the reinforcement portion from the left and right, and the second anti-vibration portion contacts the inner surface of the reinforcement portion. It arrange | positions so that it may be fixed to the said supporting member, It is characterized by the above-mentioned.
This configuration facilitates the construction of the bus duct and enables smooth movement according to the expansion and contraction of the bus duct in the length direction caused by the thermal expansion and contraction of the bus duct, even if there are some construction problems. is there.

The bus duct support structure of the present invention is characterized in that either one or both of the first bracing part and the second bracing part can be rotated according to expansion and contraction in the length direction of the bus duct. And
With this configuration, even if the bus duct is expanded due to the thermal expansion of the bus duct and the bus duct is contracted due to the contraction of the bus duct, the bus duct can be moved more smoothly in the length direction.

In the bus duct support structure of the present invention, the bracing member has a base portion and a locking portion that protrudes outward from the base portion, and the outer circumferential surface of the locking portion moves in the thickness direction of the bus duct. It restricts and the movement to the direction which leaves | separates from the said supporting member of the said bus duct is controlled by the surface where the said latching | locking part protruded, The external shape of the said latching | locking part is formed in the substantially circular shape, It is characterized by the above-mentioned.
With this configuration, the locking part contacts the bus duct in a circle or arc, so that the bus duct can be smoothly moved in the length direction caused by the expansion of the bus duct due to the thermal expansion of the bus duct and the contraction of the bus duct due to the contraction of the bus duct. It becomes.
Further, in the bus duct support structure of the present invention, the bus duct has a flange portion extending outwardly from both ends in the width direction, and a reinforcing portion extending in the thickness direction of the bus duct is formed at an end portion of the flange portion, The anti-vibration member includes a base portion and a locking portion whose outer shape protrudes outward from the base portion and has a substantially circular shape. And the locking portion abuts against the inner surface of the reinforcing portion.

The bus duct support structure according to the present invention is characterized in that the locking portion is rotatable in accordance with expansion and contraction in the length direction of the bus duct.
With this configuration, even if the bus duct is expanded due to the thermal expansion of the bus duct and the bus duct is contracted due to the contraction of the bus duct, the bus duct can be moved more smoothly in the length direction.

  According to the present invention, a bus duct that facilitates installation of a scduct and enables smooth movement in the length direction of the bus duct due to thermal expansion and contraction of the bus duct even if there are some problems in construction. A support structure can be provided.

(A) is a front view which shows the bus duct and connection part of 1st Embodiment of this invention, (b) is the side view, (c) is the sectional drawing. (A) is the front view which shows the state which attached the supporting member in the bus duct support structure of 1st Embodiment of this invention, (b) is the rear view, (c) is the side view, (d) is the cross section. FIG. 4E is a perspective view of the support member. (A) is the front view which shows the state which has arrange | positioned the space | interval adjustment member in the bus duct support structure of 1st Embodiment of this invention, (b) is the rear view, (c) is the side view, (d) is the side Sectional drawing and (e) are perspective views of a supporting member. (A) is the front view which shows the state which attached the bracing member in the bus duct support structure of 1st Embodiment of this invention, (b) is the rear view, (c) is the side view, (d) is the side Sectional drawing and (e) are perspective views of a supporting member. (A) is the front view which shows the state which attached the downward bracing member in the bus duct support structure of 1st Embodiment of this invention, (b) is the back view, (c) is the side view, (d) is the side view The sectional view, (e) is an exploded perspective view of the support member. (A) is a top view of the 2nd bracing part of 1st Example, (b) is the front view, (c) is the side view. (A) is a top view of the 1st bracing part of 1st Example, (b) is the front view, (c) is the side view. (A) is a top view of the 2nd bracing part of 2nd Example, (b) is the front view, (c) is the side view. (A) is a top view of the 1st bracing part of 2nd Example, (b) is the front view, (c) is the side view. (A) is a top view of the bracing member of 3rd Example, (b) is the front view, (c) is the side view. (A) is a front view which shows the bus duct and connection part of 2nd Embodiment of this invention, (b) is the side view, (c) is the sectional drawing. (A) is a front view which shows the bus duct support structure of 2nd Embodiment of this invention, (b) is the back view, (c) is the sectional drawing. (A) is a front view which shows the state before attaching a bracing member to a bus duct in the bus duct support structure of 2nd Embodiment of this invention, (b) shows the state after attaching a bracing member to a bus duct. It is a front view. (A) is the front view which shows the bus duct support structure of the other example of this invention, (b) is the back view, (c) is the side view, (d) is the sectional drawing. (A) is a front view showing a bus duct support structure in which the reinforcing portion on the side opposite to the support member of the present invention is restricted from swinging by the second bracing portion, (b) is a rear view thereof, and (c) is a side view thereof. , (D) is a sectional view thereof. (A) is sectional drawing which shows the example which provided the supporting member in the thickness direction end of a bus duct, (b) is sectional drawing which shows the example which provided the supporting member and the bracing member in the width direction both ends of the bus duct, (c) Is a cross-sectional view showing an example in which a plurality of bus ducts are provided side by side, support members are provided at both ends of the bus duct in the width direction, and one of the anti-vibration members is provided on the front surface and the other on the back surface. FIG. 5 is a cross-sectional view showing an example in which a support member is provided on the front face of a bus duct, and a bracing member existing between the bus ducts is used in combination with the left and right bus ducts. (A) is sectional drawing which shows the example by which the bus duct of multiple systems was arranged in parallel with respect to the bus duct laid in the orthogonal | vertical direction, (b), when the bus duct of multiple systems is laid, adjacent bus ducts mutually It is sectional drawing which shows the example which provided the supporting member in between.

  The bus duct support structure of the present invention will be described with reference to the drawings, but the present invention is not limited to the following embodiments.

[Bus Duct Support Structure of First Embodiment]
1 to 5 show a support structure for a bus duct according to the first embodiment of the present invention, FIG. 1 is a view showing the bus duct 10 and the connecting portion 20 of the first embodiment, and FIGS. FIG. 2 is a diagram showing a construction method of the bus duct support structure of the embodiment, FIG. 2 is a diagram showing a state in which the support member 31 is attached, FIG. 3 is a diagram showing a state in which the interval adjusting member 32 is attached to the support member 31, FIG. FIG. 5 is a diagram showing a state in which a bracing member 33 is attached, and FIG. 5 is a diagram showing a state in which a downward bracing member 34 is attached.

  The bus duct 10 of the first embodiment shown in FIG. 1 is configured by laminating and arranging strip-like conductors 11 made of three wires covered with an insulator, and a pair of bus duct housings 12 covering and holding these conductors 11. This is a so-called insulating contact type bus duct.

  The bus duct housing 12 has a substantially concave U-shaped cross section for accommodating the conductor 11, a flange portion 14 formed to extend outward in the width direction Y of the bus duct 10 at both ends of the accommodating recess 13, and the flange portion 14. -It has the reinforcement part 15 extended in the thickness direction Z of the said bus duct 10 in the end edge of 14. FIG. The bus duct 10 is formed by fastening the flange portions 14 and 14 with a fastening tool such as a rivet (not shown). In addition, a knurled groove (not shown) connected to the length direction X of the bus duct 10 is formed on the outer surface of the storage recess 13, and the knurled groove (not shown) improves the heat dissipation effect of the bus duct 10.

  The reinforcing portion 15 is formed in a substantially rectangular cross section, specifically, a first reinforcing portion 16 formed so as to be separated from the end edge of the flange portion 14, and a flange portion from the end edge of the first reinforcing portion 16. 14, a second reinforcing portion 17 extending so as to be substantially parallel to the second reinforcing portion 17, and a third reinforcing portion 18 extending in a direction in which the edges of the second reinforcing portion 17 are close to each other. The outer end surface 171 of the second reinforcing portion 17 and the outer end surface 131 of the storage recess 13 are formed to be flush with each other.

  A plurality of bus ducts 10 are connected via the connecting portion 20 to form a bus duct trunk line. The connecting portion 20 is arranged in a state where the conductor 11 ends of the bus duct 10 to be connected are butted together, and the conductive connecting member 21 is placed between the ends of the in-phase conductor 11 so as to be electrically connected. To do. Specifically, the insulating separator 23 is placed between the conductive connecting members 21 of different phases and between the outermost conductive connecting member 21 and the duct side plate joint plate 22 and inserted into an insulating sleeve (not shown). The bus duct 10 is electrically connected by collectively fastening with the attachment tool 24. Further, the connecting upper and lower plates 25 are screwed to the bus duct 10 on the corresponding open surface of the connecting portion 20, and the connecting operation of the bus duct 10 is completed.

  When the bus duct trunk line is laid in the vertical direction, the bus duct 10 is supported by the following support structure. The support structure is disposed on the upper side of the structure and pulls the bus duct 10 upward, the lower support device is disposed on the lower side of the structure and fixes the bus duct 10 to the structure, and FIGS. 5 and an intermediate support device 30 that is the bus duct support structure of the first embodiment shown in FIG. The intermediate support device 30 restricts the movement of the bus duct 10 in the horizontal direction, allows the bus duct 10 to move in the vertical upward direction, and supports the bus duct 10 together with the upper support device and the lower support device.

  The intermediate portion support device 30 includes a support member (angle) 31 having an L-shaped cross section, a distance maintaining member 32, and a vibration preventing member 33.

  The support member 31 shown in FIG. 2 has a mounting piece 311 that can substantially contact the third reinforcing portion 18 that is the outer surface of the reinforcing portion 15 of the bus duct 10. The attachment piece 311 is provided with an attachment hole 312 for attaching the interval maintaining member 32 and the anti-vibration member 33. The mounting hole 312 is a circular hole, but it is not necessarily circular, and may be a long hole in order to improve the ease of construction.

  The support member 31 is disposed so that the mounting piece 311 of the support member 31 substantially contacts the third reinforcing portion 18 of the bus duct 10 with respect to the bus duct 10 laid in the vertical direction. The support member 31 is fixedly attached to a wall, column, floor surface, or ceiling of a structure (not shown).

  The spacing maintaining member 32 shown in FIG. 3 is made of a flat steel plate, and is provided with a hole 321 for fastening the anti-rest member 33 with the fastener 34 in the same manner as the support member 31. The interval maintaining member 32 is disposed between the third reinforcing portion 18 and the support member 31 of the bus duct 10, and is used to attach the anti-vibration member 33 between the third reinforcing portion 18 and the support member 31 of the bus duct 10. The predetermined interval is maintained. The interval adjusting member 32 is not an essential component and may be omitted. Moreover, the space | interval adjustment member 32 is not a steel plate but resin board | plates suitably, and a material and a shape are not ask | required.

  The bracing member 33 shown in FIG. 4 includes a first bracing portion 331 that is formed in a columnar shape, and an annular second bracing portion 332 that is formed so as to protrude from the outer peripheral portion of the first bracing portion 331. , And a hole 333 for fixing the bracing member 33 to the support member 31 by the fastener 34. The bracing member 33 is fixed to the support member 31 and the interval maintaining member 32 by the fastener 34, so that the movement of the bus duct 10 itself in the horizontal direction is restricted. Specifically, the side surface of the first bracing portion 331 substantially contacts the second reinforcing portion 17 that is the side surface of the reinforcing portion 15 to restrict the movement of the bus duct 10 in the thickness direction Z. Further, the second bracing portion 332 substantially contacts the first reinforcing portion 16 that is the inner surface of the reinforcing portion 15, so that the second bracing portion 332 moves away from the support member 31 of the bus duct 10 in the width direction Y of the bus duct 10. Restrict movement. Further, the movement of the bus duct 10 toward the support member 31 is restricted by the support member 31 and the interval maintaining member 32. As a result, the movement of the bus duct 10 in the direction orthogonal to the length direction X is all restricted.

  In addition, the intermediate part support apparatus 30 may be provided with the downward bracing member 35 shown in FIG. The lower bracing member 35 includes a main body portion 36 having a U-shaped cross section, and attachment portions 37 and 37 having a substantially C-shaped cross section that are attached to the main body portion 36 from the outside. The main body portion 36 is formed of a base portion 361 of a flat plate portion and leg portions 362 formed by bending both ends of the base portion 361. The attachment portion 37 is attached from the outside of the leg portion 362.

  The lower anti-vibration member 35 having the attachment portion 37 attached to the main body portion 36 is attached to the bus duct 10 by extending the leg portions 362 and 362 of the main body portion 36 from side to side in the width direction Y of the bus duct 10 so as to sandwich the bus duct 10. . At this time, the attachment portion 37 is disposed at a position where the flange portion 14 of the bus duct 10 is sandwiched from the outside, and the attachment portion 37 is fitted between the first reinforcing portion 16 and the storage recess 13. Then, the lower end of the main body portion 36 constituting the lower anti-vibration member 35 comes into contact with the upper end of the interval adjusting member 32, whereby the movement of the bus duct 10 in the vertically downward direction is restricted. In addition, the downward bracing member 35 allows the bus duct 10 to move vertically upward. By attaching the lower bracing member 35 to the bus duct 10, it is possible to prevent the vertical downward movement with respect to the load of the bus duct 10 itself.

  Even if the bus duct 10 moves in the length direction X due to the expansion of the bus duct 10 due to the thermal expansion of the bus duct 10 and the contraction of the bus duct 10 due to the contraction of the bus duct 10, the intermediate support device 30 of the first embodiment has a circular shape. Since the formed bracing member 33 is configured to contact the bus duct 10 with a circle or a circular arc, the bracing member 33 can smoothly move in the length direction X of the bus duct 10 without biting into the bus duct 10. It becomes.

  In the intermediate support device 30 of the first embodiment, the fastening member 34 is tightened in the attaching process of the restraining member 33 because the restraining member 33 is circular with respect to the fastening direction of the fastening tool 34. Even if the bracing member 33 is rotated by this, the bracing member 33 can be easily constructed at an appropriate position with respect to the bus duct 10, so that the workability is improved.

  The intermediate part support device 30 of the first embodiment is configured to provide the support member 31 only on one side of the bus duct 10 (hereinafter referred to as the front side), and the workability is further improved because the work from the front side is sufficient. The effect of doing.

  Moreover, the bracing member 33 according to the first embodiment may have a structure shown in FIGS. 6 and 7 show a first modification of the bracing member 33. FIG. A thin disk-shaped member (second bracing portion 42) having a small plane area shown in FIG. 6 and having a hole 41 through which the fastener 34 can be inserted in the center, and the plane area shown in FIG. The anti-vibration member 33 having a structure in which a large disk-shaped member (first anti-vibration portion 44) having a large hole 43 through which the fastener 34 can be inserted at the center is superposed may be used. Can be manufactured.

  Moreover, the 2nd modification of the bracing member 33 is shown in FIG.8 and FIG.9. Similar to FIG. 6 shown in FIG. 8, a thin disk-shaped member (second bracing portion 45) and a disc-shaped member (first shaking) formed in a hollow (hollow) as shown in FIG. 9. The anti-vibration member 33 having a configuration in which the portions 46) are overlapped may be used, and the weight can be reduced and the manufacturing can be performed at low cost.

  Furthermore, the 3rd modification of the bracing member 33 is shown in FIG. As shown in FIG. 10, a plate-like member having a hole 47 through which the fastener 34 can be inserted is formed in the center, and the rising portion protrudes outward, that is, a disk-shaped member is drawn. In addition to being able to be manufactured at a lower cost, it is possible to form the bracing member 33 with a single member, and when a bolt nut is used as the fastener 34, the bolt head is hidden. The anti-vibration member 33 having an excellent aesthetic appearance can be provided.

[Bus Duct Support Structure of Second Embodiment]
FIGS. 11 to 13 show a bus duct support structure according to the second embodiment of the present invention, FIG. 11 is a diagram showing the bus duct 110 and the connecting portion 120 of the second embodiment, and FIG. 12 is a diagram of the bus duct of the second embodiment. The figure which shows the support structure 130, FIG. 13: is a figure which shows the state of the attachment operation | work of the support structure 130 of the bus duct of 2nd Embodiment. In addition, about the structure similar to 1st Embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  A bus duct 110 according to the second embodiment shown in FIG. 11 is a close-insulated bus duct in which strip-like conductors 11 made of three wires covered with an insulating material are stacked and covered with a bus duct housing 112. is there. Here, the bus duct housing 112 includes a pair of bus duct side plates 113 and 113 having a C-shaped cross section, spacers 114 and 114 having a rectangular cross section, and a bolt and nut fastener 115. The bus duct side plates 113 and 113 include a flat plate-like base portion 116 that is in contact with the side surface of the conductor 11, a first reinforcing portion 117 formed by bending and extending both ends of the base portion 116 in the width direction, and a first reinforcing portion 117. The second reinforcing portion 118 is formed by bending and extending the outer ends thereof so as to face each other.

  In the bus duct 110, the bus duct side plates 113 and 113 are arranged outside the conductor 11, spacers 114 and 114 having a square cross section are arranged on the width direction side of the conductor 11, and the bus duct side plate 113 is sandwiched between the conductor 11 and the spacer 114. -It is comprised by 113 mutually fixing with the fastener 115.

  A plurality of bus ducts 110 are connected via the connection part 120, thereby forming a bus duct trunk line. Note that the connection unit 120 has substantially the same configuration as the connection unit 20 of the first embodiment, and a description thereof will be omitted.

  When the above-described bus duct main line is laid in the horizontal direction, the support structure 130 that supports the bus duct 110 constituting the bus duct main line includes a support member 131 and a bracing member 132.

  The support member 131 may be a Ductor channel having a substantially C-shaped cross section, for example, and is disposed such that the groove 133 faces upward, and a washer 134 is disposed in the groove 133. The washer 134 is hooked on the lower surface of the folded portion 135 formed at the upper part of the groove 133, and is fixed by the bracing member 132 and the bolt nut 136 disposed on the groove 133.

  The bracing member 132 is wider than the groove 133 of the support member 131 and has a base 137 that can be disposed on the groove 133 and a first bracing that is formed so as to rise in a semicircular shape on the bus duct 110 side of the base 137. Part 138 and a semicircular arc-shaped second bracing part 139 formed by bending and extending the upper end of the first bracing part 138 outward.

  The first bracing part 138 regulates the movement of the bus duct 110 in the thickness direction Z by being substantially in contact with the outer surface of the second reinforcing part 118 of the bus duct 110. Further, the second bracing portion 139 regulates the movement of the bus duct 110 in the direction away from the support member 131 side (vertically upward direction) by substantially contacting the upper end of the second reinforcing portion 118 of the bus duct 110.

  The movement of the bus duct 110 toward the support member 131 (vertically downward) is restricted by the support member 131, and all movements in the direction perpendicular to the length direction of the bus duct 110 are restricted. That is, when the bus duct trunk line is disposed on a plurality of support members 131 suspended from a structure such as a ceiling, the thickness of the bus duct 110 and the vertical upward direction are increased by the bracing member 132 attached to the support member 131. The movement is restricted, and the support member 131 restricts the movement of the bus duct 110 in the vertical downward direction.

  The bus duct support structure 130 of the second embodiment can exert the same effect as that of the first embodiment even for the bus duct 110 laid horizontally.

  13 is attached to the support member 131 in advance so that the pair of second anti-vibration portions 139 face each other outward at a predetermined interval. The bus duct 110 is placed. And the support operation of the bus duct 110 is completed by rotating the 2nd bracing part 139 of the bracing member 132 so that it may mutually face. Workability is improved and work at high places can be reduced.

  Further, since the first bracing portion 138 has a semicircular arc shape and the second bracing portion 119 is also formed in a semicircular arc shape, the bracing member 132 itself can be reduced in size, and a plurality of bus ducts 110 can be arranged in parallel. Even if it is provided, it is possible to reduce the laying interval of the bus duct 110 and to save the space for installing the bus duct 110.

[Modifications of Embodiment, etc.]
Although the embodiments of the present invention have been described above, the present invention can be expanded and modified within the scope of the gist, and in addition to the configurations of the embodiments, these partial configurations are disclosed in the present specification. Those specified by changing to other configurations, those specified by adding other configurations disclosed in this specification to these configurations, or these partial configurations to the extent that partial operational configurations can be obtained Also included are the superordinate concepts identified by deletion, including the following modifications. In addition, about the same structure as embodiment mentioned above, the same code | symbol is attached | subjected and description is abbreviate | omitted.

  The bus duct supported by the bus duct support structure is not limited to the above embodiment, and covers a two-wire or four-wire or more bus duct, an air-insulated bus duct, a so-called air-insulated bus duct, and an insulator. In addition, any bus duct such as a bus duct in which conductors are arranged at a predetermined interval may be used. Further, the bus duct housing may have any shape and configuration. Furthermore, although the butt connection via the connection portion has been described in the above embodiment, the present invention may be a so-called overlap connection in which the conductors of the bus ducts to be connected are overlapped and connected.

  Further, the structure of the support member 31 or the support member 131 is not limited to the L-shaped angle of the cross-section and the C-shaped cross-section of the ductor channel. It may be a letter-shaped channel. In other words, any device that can substantially abut against a part of the bus duct, that is, a member that abuts with some member (interval adjusting member 32 of the first embodiment) or the like to regulate the deflection of the bus duct is included.

  The bracing member 33 may be configured to rotate around the fastener 34 of the bracing member 33 when the bus duct 10 thermally expands and contracts. With this configuration, the expansion of the bus duct 10 due to the thermal expansion of the bus duct 10 and the contraction of the bus duct 10 due to the contraction of the bus duct 10 cause smooth movement in the length direction X of the bus duct 10 when the bus duct 10 moves in the length direction X. Movement is possible.

  For example, as a configuration in which the bracing member 33 rotates, a fastening tool 34 such as a bolt and nut for fixing the bracing member 33 is slightly loosened, or a pipe spacer (not shown) is attached to the bolt of the fastening tool 34. Even if they are interposed and tightened with bolts and nuts, no force is applied to the bracing member 33 itself (the fastening dimension of the fastening tool 34 is regulated by a pipe spacer). The bracing member 33 of the first embodiment may be configured such that both the first bracing portion 31 and the second bracing portion 32 rotate, or at least the first bracing portion 31 has a thermal expansion of the bus duct 10. In addition, the second anti-rotation portion 32 does not necessarily have to be rotated as long as the configuration rotates according to the contraction.

  As a modification of the bracing member 33, for example, a bracing member 50 shown in FIG. The anti-vibration member 50 has a columnar (thick disc-shaped) base 51 and a locking member whose diameter is larger than that of the base 51 and whose outer shape protrudes outward from the base 51 is substantially circular (thin disc-shaped). Part 52. Further, the outer shape of the base 51 is not necessarily circular, and may be a size and shape that does not contact the second reinforcing portion 17 of the bus duct 10 even when rotated, for example, a polygon such as a quadrangle. . In the modification shown in FIG. 14, at least the locking portion 52 only needs to rotate according to the thermal expansion and contraction of the bus duct 10, and the base 51 does not necessarily need to rotate.

  When the bus duct 10 of the first embodiment is supported, the protruding surface of the locking portion 52 of the anti-vibration member 50 is separated from the support member 31 of the bus duct 10 by substantially contacting the first reinforcing portion 16 of the bus duct 10. In addition to restricting the movement in the direction to be engaged, the outer peripheral surface of the locking portion 52 substantially contacts the flange portion 14 and restricts the movement of the bus duct 10 in the thickness direction Z.

  A bracing member 60 shown in FIG. 15 includes a cylindrical first bracing portion 61 and a circular (thin disc-like) second bracing portion 62 having a diameter larger than that of the first bracing portion 61. Have. The 1st bracing part 61 is formed in the length substantially the same as the length of the width direction of the bus duct of 1st Embodiment. The second bracing part 62 substantially contacts from the outside of the third reinforcing part 18 of the reinforcing part 15 located on the opposite side of the reinforcing part 15 of the bus duct 10 that contacts the supporting member 31, and from the supporting member 31 of the bus duct 10. Restricts movement in the direction of separation. In addition, the bolt 63 has a structure in which a pipe spacer 64 is interposed and the first bracing portion 61 rotates.

  In addition, the ductor channel, which is the support member 131 according to the second embodiment, is configured to support the bus duct 110 under the bus duct 110, but is configured to be disposed above and below the bus duct 110, only above the bus duct 110. It is possible to appropriately adopt a configuration or the like that is arranged in the above. In the case of the configuration arranged above and below the bus duct 110, the anti-vibration member 132 may be provided on the upper and lower support members 131, or only one of them may be provided. That is, the anti-vibration member 132 need only exist for the first anti-vibration portion 138 and may be a simple columnar member. Moreover, when arrange | positioning on the bus duct 110, it can respond by attaching the bracing member of the said various modification to the supporting member 131. FIG.

  Moreover, in the said embodiment, although the bus duct 10 demonstrated the structure which the one end of the width direction Y substantially contact | abuts with respect to the supporting member 31, as shown to Fig.16 (a), the bus duct 10 of the supporting member 31 is shown. A configuration in which one end in the thickness direction Z substantially contacts may be used, and the anti-vibration effect by the anti-vibration member 70 is further improved.

  Moreover, in 1st Embodiment of this invention, although it is the structure which provides the supporting member 31 only in the front side of the bus duct 10, it does not necessarily need to be the structure provided only in the front side, as shown in FIG.16 (b). The support member 31 may be provided on the other side (hereinafter referred to as the back side), and four anti-vibration members 33 may be provided. Needless to say, the configuration may be such that three anti-vibration members 33 are provided.

  When a plurality of bus ducts 10 are arranged side by side, as shown in FIG. 16C, support members 31 are provided on the front side and the back side of the bus duct 10, and one bus duct 10 has a bracing member on the front side. On the other hand, no backrest member 33 is provided on the back side, no backrest member 33 is provided on the front side of another bus duct 10 adjacent to one bus duct 10, and a backrest member 33 is provided on the back side. Further, a configuration in which this is replaced for each floor may be used. As a result, the cost can be reduced, the anti-vibration effect can be exhibited while the bus duct 10 is stable, and the laying interval of the bus duct 10 can be narrowed.

  Further, as shown in FIG. 16 (d), a configuration is provided in which a bracing member 33 is provided only on the front side of the bus duct 10, and the bracing member 33 existing between the bus ducts 10 is also used for adjacent bus ducts 10. There may be. Thereby, the installation interval of the bus duct 10 can be narrowed, and it becomes possible to achieve space saving of the installation place of the bus duct 10.

  Further, as shown in FIG. 17 (a), when a plurality of bus ducts 10b are arranged in parallel to the bus duct 10a installed in the vertical direction, the support member 31 is not fixed to the structure. Alternatively, the support member 31 may be fixed to the one bus duct 10a, and the other bus duct 10b adjacent to the one bus duct 10a may be provided with the anti-vibration member 33 to prevent the bus duct 10b from shaking. The bus duct 10a and the bus duct 10b have the same configuration as that of the bus duct 10, and thus description thereof is omitted.

  In addition, as shown in FIG. 17B, when a plurality of bus ducts 10 are laid, a support member 31a attached in a fixed state to the structure is provided between the adjacent bus ducts 10 for support. The member 31a may be provided with the anti-vibration member 70 that prevents the left and right bus ducts 10 from swinging to prevent the left and right bus ducts 10 from swinging. Here, one end of the bus duct 10 in the thickness direction Z substantially contacts the support member 31a. As a result, the left and right bus ducts can be prevented from swinging, the bus duct laying interval can be narrowed, and the space for installing the bus duct can be saved.

  The bus duct support structure of the present invention can be used for a bus duct support structure that supports a bus duct installed in a structure.

DESCRIPTION OF SYMBOLS 10, 10a, 10b, 110 ... Bus duct 11 ... Conductor 12, 112 ... Bus duct housing 13 ... Housing recessed part 14 ... Flange part 15 ... Reinforcement part 16, 117 ... 1st reinforcement part 17, 118 ... 2nd reinforcement part 18 ... 3rd Reinforcing portions 20, 120 ... connecting portion 21 ... conductive connecting member 22 ... duct side connecting plate 23 ... insulating separator 24, 53 ... fastening portion 25 ... connecting upper and lower plates 30 ... intermediate support devices 31, 31a, 131 ... supporting member 32 ... spacing maintenance member 33, 50, 60, 132 ... anti-vibration member 34 ... lower anti-vibration member 35, 51, 116, 137 ... base 36 ... leg part 37 ... main body part 38 ... mounting part 41, 43, 47, 321, 333... Holes 42 and 45. Second anti-vibration members 44 and 46... First anti-vibration member 52... Locking portions 61, 138 and 331... First anti-vibration portions 62, 139 and 332. Bol 64 ... Pipe spacer 70 ... Damping member 113 ... Bus duct side plate 114 ... Spacer 115 ... Fastener 130 ... Bus duct support structure 133 ... Groove 134 ... Washer 135 ... Folded part 136 ... Bolt nut 311 ... Mounting piece 312 ... Mounting hole X ... Bus duct length direction Y ... Bus duct width direction Z ... Bus duct thickness direction

Claims (10)

In the bus duct support structure for supporting the bus duct laid by the support device provided in the structure,
A support member fixed to the structure and substantially in contact with the bus duct;
The support device including the anti-vibration member fixed to the support member and at least a part of which is formed in a substantially arc shape or a substantially circular shape,
The bus duct support structure characterized in that the support device does not restrict expansion and contraction in the length direction of the bus duct, and regulates the deflection of the bus duct in the width direction and the thickness direction. In the bus duct support structure for supporting the bus duct laid in the vertical direction by the support device provided in the structure,
A support member fixed to the structure and substantially in contact with the bus duct;
The support device including the anti-vibration member fixed to the support member and at least a part of which is formed in a substantially arc shape or a substantially circular shape,
The bus duct support structure characterized in that the support device does not restrict expansion and contraction in the length direction of the bus duct, and regulates the deflection of the bus duct in the width direction and the thickness direction.   3. The bus duct support structure according to claim 2, further comprising a downward swinging member that is fixed to the bus duct and that restricts the downward movement of the bus duct by contacting the upper end of the support member. In the bus duct support structure that supports the bus duct laid in the horizontal direction by the support device provided in the structure,
A support member fixed to the structure and substantially in contact with the bus duct;
The support device including the anti-vibration member fixed to the support member and at least a part of which is formed in a substantially arc shape or a substantially circular shape,
The bus duct support structure characterized in that the support device does not restrict expansion and contraction in the length direction of the bus duct, and regulates the deflection of the bus duct in the width direction and the thickness direction. The bracing member includes a first bracing part that regulates movement of the bus duct in the thickness direction, and a second bracing part that regulates movement of the bus duct in a direction away from the support member,
The bus duct support structure according to claim 1, wherein an outer shape of the first bracing portion is substantially circular. The bus duct has a flange portion extending outward from both ends in the width direction,
A reinforcing portion extending in the thickness direction of the bus duct is formed at the end of the flange portion,
The bracing member has a columnar first bracing part and an annular second bracing part formed so as to protrude from the outer peripheral part of the first bracing part,
The outer surface of the reinforcing part is substantially in contact with the support member,
The pair of anti-vibration members are arranged such that each of the first anti-vibration parts sandwiches the side surface of the reinforcement part from the left and right, and the second anti-vibration part contacts the inner surface of the reinforcement part, and the support The bus duct support structure according to claim 1, wherein the bus duct support structure is fixed to a member.   Either one or both of said 1st bracing part or said 2nd bracing part is rotatable according to the expansion-contraction to the length direction of the said bus duct, The Claim 5 or 6 characterized by the above-mentioned. The bus duct support structure described. The anti-vibration member has a base portion and a locking portion protruding outward from the base portion,
The movement of the bus duct in the thickness direction is restricted by the outer peripheral surface of the locking portion, and the movement of the bus duct in the direction away from the support member is restricted by the protruding surface of the locking portion. 5. The bus duct support structure according to claim 1, wherein the outer shape of the stop portion is formed in a substantially circular shape. The bus duct has a flange portion extending outward from both ends in the width direction,
A reinforcing portion extending in the thickness direction of the bus duct is formed at the end of the flange portion,
The anti-vibration member has a base and a locking portion having an outer shape that protrudes outward from the base, and has a substantially circular shape.
As for a pair of said bracing members, each said latching part pinches | interposes the said flange part from right and left,
The bus duct support structure according to claim 1, wherein the locking portion is in contact with an inner surface of the reinforcing portion.   The bus duct support structure according to claim 8 or 9, wherein the locking portion is rotatable in accordance with expansion and contraction in the length direction of the bus duct.

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