KR20210130082A - Seismic device for brace of cable tray, electric wire, bus duct - Google Patents

Abstract

The present invention relates to a seismic device of a cable tray, a conduit and a bus duct support, in a seismic device coupled to at least two cable trays, a conduit and a bus duct support, which includes a pair of vertical members fixed to a lower part of the ceiling of a building and extended in a vertical direction, a cable tray coupled to the ends of the pair of vertical members to keep the same horizontal, and a transverse member supporting the conduit or bus duct. The seismic device of a cable tray, a conduit and a bus duct support includes: two pairs of wire ropes which are extended obliquely upward in a direction between the longitudinal direction of the horizontal member and the longitudinal direction of the cable tray at both points where the vertical member and the horizontal member are coupled, so as to be fixed to a lower part of the ceiling; a first bracket to which ends of the two pairs of wire ropes on a transverse member side are fixed; a second bracket to which the ends of the two pairs of wire ropes on a ceiling side are fixed; and one or more length adjusting means which adjust the length of the two pairs of wire ropes.

Description

SEISMIC DEVICE FOR BRACE OF CABLE TRAY, ELECTRIC WIRE, BUS DUCT

The present invention relates to a seismic device for a cable tray, a conduit, and a bus duct support. More particularly, it relates to a seismic device of a cable tray, a conduit tube, and a bus duct support that effectively absorbs shock or vibration caused by an earthquake.

In general, cables of large and small diameters are arranged along ceilings, floors, walls, etc. for transport of electricity, communication, fluids, etc. in building structures. Cable trays, conduits, bus ducts, etc. are used to support and fix these cables in an organized state, to accommodate and protect cables, and to wire cables. In addition, a support for supporting a cable tray, a conduit, a bus duct, etc. is installed in a building structure.

As shown in Figure 1, the conventional cable tray support 10 is coupled with the anchor bolt (B) buried in the ceiling (C) of the building and a pair of vertical members (computed bolt rods) (11) arranged vertically ), and connected to the ends of the pair of vertical members 11 and may be configured to include a horizontal member 12 that is horizontally arranged so that the cable tray CT is placed. However, when an earthquake or the like occurs, the conventional cable tray support 10 is strongly shaken up, down, left and right because it does not have a separate earthquake-resistant device, and the cable tray CT is separated from the horizontal member 12 or may be damaged.

On the other hand, as a prior art for preventing shaking of cable trays, cable racks, etc., in Japanese Patent Registration No. 2884337, as shown in FIG. 2 , a hanger bolt (vertical member) 21a and a horizontal member 21b are used. An anti-shake device for hanger bolts comprising a support including a support, a length bolt 22 installed obliquely to the left and right with respect to the hanger bolt, and a connection part 23 connecting the hanger bolt 21a and the length bolt 22 ( 20) is disclosed. According to the above patent document, the conventional anti-shake device 20 for hanger bolts is a device for seismic isolation structure, and since the length bolts 22 are connected to both sides of the hanger bolts 21a and are obliquely fixed to the ceiling, the cable tray (or cable It can withstand the seismic load in the longitudinal direction (X direction) of the rack) (CT). However, in the prior art 20, since it is premised that vibration or impact is primarily alleviated through the seismic isolation structure for the seismic load in the vertical direction (Y direction) of the longitudinal direction of the cable tray, the device 20 itself As such, there is a limit in that it cannot effectively absorb vibrations or shocks in the vertical direction (Y direction) of the longitudinal direction of the cable tray.

Specifically, the seismic design structure for preparing for an earthquake can be divided into an earthquake-resistant structure and a seismic isolating structure. The seismic structure is a structure in which the building itself is strongly designed to resist earthquakes, and the seismic isolating structure is the ground structure. It refers to a structure in which seismic force transmission is reduced by separating the building from the ground and arranging a seismic isolator (eg, laminated rubber, damper, bearing, etc.) between the ground and the building. The prior art 20 shown in FIG. 2 is for a seismic isolation structure, and when this device is applied to a building designed as an earthquake-resistant structure, it cannot withstand the seismic load in the vertical direction (Y direction) of the cable tray, so the device is It may be damaged or fall. In addition, severe damage such as loss of life and cost problems may occur.

In addition, in Korean Patent Registration No. 10-1752828, referring to FIG. 3 , a fixing member 31 for absorbing vibration generated in the cable tray CT and a binding member for distributing the load applied to the cable tray CT (32), wherein the fixing member 31 includes a first pillar (31a), a second pillar (31b), a third pillar (31c) having an elastic region (310c) formed therein, and an extension wire (33) Disclosed is a cable tray holder (30). However, according to this configuration, although it is possible to absorb the vibrations generated in the vertical and horizontal directions in the cable tray CT, the vibration (shake) generated in the longitudinal direction (front and back direction in FIG. 2 ) of the cable tray CT. There is a limit to the seismic function. In addition, since the elastic region 310c is composed of a spring structure, it may be permanently deformed by strong vibration or impact. If the elastic region 310c is permanently deformed, all of the cable tray fixture 30 must be replaced and reinstalled, so there is a risk that a lot of money and time are required.

Accordingly, there is a need for an earthquake-resistant device capable of effectively absorbing strong vibrations or shocks caused by earthquakes in each direction.

The present invention is to solve the above problems, and an object of the present invention is to effectively alleviate or absorb strong vibrations or shocks caused by external influences such as earthquakes in all directions (X-direction, Y-direction and Z-direction). To provide a seismic device for tray, conduit, and bus duct support. However, these problems are exemplary, and the scope of the present invention is not limited thereto.

According to an embodiment of the present invention, a pair of vertical members that are fixed to the lower part of the ceiling of a building and extend in the vertical direction, and a pair of vertical members are coupled to the ends of the pair of vertical members to maintain the horizontal, cable tray, conduit or bus duct At least two or more cable trays, conduits, cable trays coupled to a bus duct support, a conduit, and a bus duct support including a transverse member for supporting the seismic device at both points where the vertical member and the transverse member are coupled, Two pairs of wire ropes extending obliquely outwardly upward in a direction between the longitudinal direction of the horizontal member and the longitudinal direction of the cable tray and fixed to the lower part of the ceiling; a first bracket to which ends of the two pairs of wire ropes on the side of the horizontal member are fixed; a second bracket to which ends of the two pairs of wire ropes on the ceiling side are fixed; and one or more length adjusting means for adjusting the length of the two pairs of wire ropes.

In addition, in the seismic device of the cable tray, conduit, and bus duct support according to an embodiment of the present invention, each of the pair of vertical members has a U-shaped reinforcing channel, one or more coupling pieces, and one or more fixing bolts. Structures may be combined.

In addition, in the seismic device of the cable tray, conduit, and bus duct support according to an embodiment of the present invention, one through hole is formed on one side to which the wire rope is coupled in the first bracket, and the other side to which the vertical member is coupled. A single bolt insertion groove is formed and may further include a locking washer disposed on an upper surface of the bolt insertion groove of the first bracket.

In addition, in the seismic device of the cable tray, the conduit, and the bus duct support according to an embodiment of the present invention, two through holes are formed on one side to which the wire rope is coupled in the first bracket, and the other side to which the vertical member is coupled. A single bolt insertion groove is formed and may further include a locking washer disposed on an upper surface of the bolt insertion groove of the first bracket.

In addition, in the seismic device of the cable tray, the conduit tube, and the bus duct support according to an embodiment of the present invention, the angle (α) with respect to the longitudinal direction of the cable tray of the wire rope is in the range of about 20° to 70°, the wire The angle β with respect to the longitudinal direction of the transverse member of the rope may be in the range of about 20° to 70°.

In addition, in the seismic device of the cable tray, conduit, and bus duct support according to an embodiment of the present invention, the upper end of the reinforcing channel of the reinforcing structure is spaced apart from the ceiling by a predetermined interval, and the lower end is spaced apart from the horizontal member by a predetermined interval. can

In addition, in the seismic device of the cable tray, conduit, and bus duct support according to an embodiment of the present invention, the reinforcing structure includes two or more fixing bolts, and the distance between the fixing bolts is adjusted according to the diameter of the vertical member can be

According to another embodiment of the present invention, a pair of vertical members fixed to the lower part of the ceiling of a building and extending in the vertical direction, and coupled to the ends of the pair of vertical members to keep the horizontal, a cable tray, a conduit or a bus At least two or more cable trays including a transverse member for supporting the duct, a conduit, a cable tray coupled to a bus duct support, a conduit, and a seismic device of a bus duct support are provided at both points where the vertical member and the transverse member are coupled, two pairs of inclined members extending upwardly and outwardly in a direction between the longitudinal direction of the horizontal member and the longitudinal direction of the cable tray and fixed to the lower part of the ceiling; and a reinforcing structure coupled to each of the vertical member and the inclined member, wherein the reinforcing structure may include a U-shaped reinforcing channel, at least one coupling piece, and at least one fixing bolt.

According to one embodiment of the present invention made as described above, the seismic device for the cable tray, conduit, and bus duct support is strong vibration or impact caused by external influences such as earthquakes in all directions (X direction, Y direction and Z direction) can be effectively alleviated or absorbed in Of course, the scope of the present invention is not limited by these effects.

1 is a cross-sectional view of a prior art cable tray support.
2 is a perspective view of another prior art anti-shake device for hanger bolts.
3 is a cross-sectional view of another prior art cable tray holder.
4 is a perspective view of a seismic device of a cable tray, a conduit, and a bus duct support according to an embodiment of the present invention.
5 is a cross-sectional view of a seismic device of a cable tray, a conduit tube, and a bus duct support according to an embodiment of the present invention.
6 is a side view of a seismic device of a cable tray, a conduit tube, and a bus duct support according to an embodiment of the present invention.
7 is a plan view of a seismic device of a cable tray, a conduit, and a bus duct support according to an embodiment of the present invention.
8 is a view showing the reinforcement structure of the seismic device of the cable tray, conduit, and bus duct support according to an embodiment of the present invention.
9 is a cross-sectional view taken along line II of FIG. 5 .
10 is a view showing the first bracket of the seismic device of the cable tray, the conduit, and the bus duct support according to an embodiment of the present invention.
11 is a view illustrating a first bracket of another shape of a seismic device of a cable tray, a conduit, and a bus duct support according to an embodiment of the present invention.
12 is a view showing the length adjusting means of the seismic device of the cable tray, the conduit, and the bus duct support according to an embodiment of the present invention.

The objects, features and advantages of the present invention described above will become more apparent through the following examples in conjunction with the accompanying drawings.

The following specific structural or functional descriptions are only exemplified for the purpose of describing embodiments according to the concept of the present invention, and the embodiments according to the concept of the present invention may be implemented in various forms and described in the present specification or application. It should not be construed as being limited to the examples.

Since the embodiment according to the concept of the present invention may have various changes and may have various forms, specific embodiments are illustrated in the drawings and described in detail in the present specification or application. However, this is not intended to limit the embodiments according to the concept of the present invention to a specific disclosed form, and should be understood to include all modifications, equivalents and substitutes included in the spirit and scope of the present invention.

Terms such as first and/or second may be used to describe various elements, but the elements are not limited to the terms. The above terms are used only for the purpose of distinguishing one element from other elements, for example, without departing from the scope of the present invention, a first element may be called a second element, and similar For example, the second component may also be referred to as the first component.

When a component is referred to as “connected” or “connected” to another component, it may be directly connected or connected to the other component, but other components may exist in between. will have to be understood On the other hand, when it is said that a certain element is "directly connected" or "directly connected" to another element, it should be understood that no other element is present in the middle. Other expressions for describing the relationship between elements, that is, expressions such as "between" and "immediately between" or "adjacent to" and "directly adjacent to", should be interpreted similarly.

The terms used herein are used only to describe specific embodiments, and are not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. As used herein, terms such as “comprise” or “have” are intended to designate that the described feature, number, step, action, component, part, or combination thereof is present, and includes one or more other features or numbers, It should be understood that the possibility of the presence or addition of steps, operations, components, parts or combinations thereof is not precluded in advance.

Unless defined otherwise, all terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in a commonly used dictionary should be interpreted as having a meaning consistent with the meaning in the context of the related art, and should not be interpreted in an ideal or excessively formal meaning unless explicitly defined in the present specification. does not

Hereinafter, the present invention will be described in detail by describing embodiments of the present invention with reference to the accompanying drawings. Like reference numerals in each figure indicate like elements.

4 is a perspective view of a seismic device of a cable tray, a conduit tube, and a bus duct support according to an embodiment of the present invention; 5 is a cross-sectional view of a seismic device of a cable tray, a conduit tube, and a bus duct support according to an embodiment of the present invention; 6 is a side view of a seismic device of a cable tray, a conduit, and a bus duct support according to an embodiment of the present invention; 7 is a plan view of a seismic device of a cable tray, a conduit, and a bus duct support according to an embodiment of the present invention.

According to an embodiment of the present invention, the seismic device 100 for a cable tray, a conduit, and a bus duct support is coupled to at least two or more cable tray supports, a conduit support or a bus duct support, and is generated in each direction by an earthquake, etc. It can effectively absorb vibration (shake) or shock. In addition, the seismic device of the present invention can be applied not only to the cable tray support, but also to the conduit support and bus duct support. However, for convenience of description, the following description will be focused on the seismic device coupled to the cable tray support.

On the other hand, the support (S) is fixed to the lower part of the ceiling (C) of the building and is coupled to a pair of vertical members 110 extending in the vertical direction and ends of the pair of vertical members to maintain the level, and a cable tray ( CT), it may include a transverse member 120 for supporting the conduit or bus duct. The vertical member 110 and the horizontal member 120 of the support may be coupled by a fastening member 190 or the like. For example, the vertical member 110 may be a computerized bolt rod (a computerized bolt) or a metal rod, but is not limited thereto.

The seismic device 100 of the cable tray, conduit, and bus duct support according to an embodiment of the present invention is fixed to the lower portion of the ceiling (C) and connects two pairs of wires between the ceiling (C) and the support (S) Rope (131, 132), a first bracket 140 to which one side (lateral member side) of the wire ropes (131, 132) is fixed, and a second side (ceiling side) to which the other side (ceiling side) of the wire ropes (131, 132) is fixed. It may include a bracket 150 and a length adjusting means 160 .

As shown in Figures 4 to 7, the wire rope (131, 132) of the seismic device 100 of the present invention, the horizontal at both points where the vertical member 110 and the horizontal member 120 are coupled. The member 120 may be inclinedly extended outwardly between the longitudinal direction (Y direction) of the member 120 and the longitudinal direction (X direction) of the cable tray CT to be fixed to the lower portion of the ceiling (C). That is, the wire rope (131, 132) may be located between the X direction and the Z direction, between the Y direction and the Z direction, and between the X direction and the Y direction. Accordingly, the wire ropes 131 and 132 have a predetermined angle α with respect to the longitudinal direction (X direction) of the cable tray CT, and have a predetermined angle α with respect to the longitudinal direction (Y direction) of the horizontal member 120 . has an angle β of , and may have a predetermined angle γ with respect to the longitudinal direction (Z direction) of the vertical member 110, and it is preferable that the angles α, β, and γ are not 0°. do. That is, it extends outwardly in the direction between the X-axis and the Y-axis in the X-Y plane, and is disposed to be inclined with the inclination of the Z-axis and γ, which are vertical axes. In addition, the angle (α) (see FIG. 6) with respect to the longitudinal direction (X direction) of the cable tray (CT) of the wire rope (131, 132) may be in the range of about 20 ° to 70 °, the wire rope ( The angle β (refer to FIG. 5) of the horizontal member 120 of the 131 and 132 in the longitudinal direction (Y direction) may be in the range of about 20° to 70°. When the angles (α, β) are in the range of about 20° or less, or in the range of about 70° or more, the earthquake-resistant device is the longitudinal direction (X direction) of the cable tray CT and the length of the horizontal member 120 It may not be able to properly absorb vibration (shake) that occurs in the direction (Y direction). In addition, preferably, the angle (α) with respect to the longitudinal direction (X direction) of the cable tray (CT) of the wire rope (131, 132) may be about 31 ° to 45 °, the wire rope (131, The angle β with respect to the longitudinal direction (Y direction) of the horizontal member 120 of the 132 may be about 31° to 45°.

In the case of the prior art 20 shown in Figure 2, the length bolt 22 is obliquely disposed with respect to the hanger bolt 21a and installed on the XZ plane, in the vertical direction (Y direction) of the cable tray in the longitudinal direction. It is very vulnerable to the seismic load of In addition, in the case of the prior art 30 shown in Fig. 3, the configuration of the fixing member 31 and the extension wire 33 can absorb the vibration (shake) generated in the vertical and horizontal directions in the cable tray CT. However, since there is no configuration for supporting the cable tray CT along the longitudinal direction of the cable tray CT, there is a limit to absorbing vibrations generated in the longitudinal direction (ie, front and rear direction in FIG. 2 ) of the cable tray CT. . That is, in the case of the prior art (20, 30), it has a buffering effect in only one direction (only in the X-direction or the Y-direction). In contrast, according to the seismic device 100 of the present invention, the wire ropes 131 and 132 are the cable tray in the longitudinal direction (X direction) of the cable tray CT with respect to the cable tray CT, as well as in the horizontal plane. (CT) may have a buffering effect also in a direction perpendicular to the longitudinal direction (Y direction). That is, since the wire ropes 131 and 132 are installed to support all of the X-direction, Y-direction and Z-direction with respect to the cable tray CT, any vibration or shock generated by an earthquake can be effectively absorbed. . Accordingly, the earthquake-resistant device 100 of the present invention can withstand earthquake loads and the like in each direction, so that the earthquake-resistant performance is very excellent. In addition, the earthquake-resistant device 100 may be used without limitation in the design of a building structure, for example, without distinction of an earthquake-isolating structure, an earthquake-resistant structure, and the like.

The ends of the support (horizontal member) side of these wire ropes (131, 132) may be fixed to the support (S) through the first bracket (140), and the ends of the ceiling side of the wire ropes (131, 132) are the first 2 It may be fixed to the ceiling (C) through the bracket (150).

According to an embodiment of the present invention, the seismic device 100 of the cable tray, the conduit, and the bus duct support is at least one length adjusting means 160 for adjusting the length of the two pairs of wire ropes 131 and 132. may include. Accordingly, in the present invention, the length of the wire ropes 131 and 132 can be appropriately adjusted according to the place where the cable tray (or support) is installed, the working environment, etc., and accordingly, it is possible to more easily accommodate and replace the cables. have. In addition, the length adjusting means 160 is movable along the longitudinal direction of the wire rope (131, 132). For example, the length adjusting means 160, as shown in FIG. 12, may be composed of at least one metal piece, and after overlapping each end of the wire rope (131, 132) in a ring shape, It can be fixed by pressing the overlapping portion of the wire rope (131, 132) with the metal piece. In this case, by penetrating one end of the wire ropes 131 and 132 to the hook part of the upper bracket (ie, the second bracket 150) installed on the ceiling side and overlapping them, by pressing the overlapping part on one side of the wire rope , the process of fixing the upper bracket and one side of the wire rope can be performed in advance at the manufacturing plant. Then, the other end of the wire rope (131, 132) having one side fixed in the field penetrates through the ring part of the lower bracket (that is, the first bracket 140) installed on the side of the support (horizontal member) and overlaps , while adjusting the length of the wire rope (131, 132), leveling the earthquake-resistant device 100, it is possible to perform a process of pressing the overlapping portion of the other side of the wire rope. Of course, it may be fixed in other known methods. In addition, the length adjusting means 160 may be composed of a fixed sleeve, in this case, each end of the wire rope (131, 132) of the hook portion of the first bracket 140 and the second bracket 150, respectively. After passing through the loop, each end of the wire rope can be fixed by rotating the fixing sleeve in the fastening direction in a state in which each end of the wire rope overlaps the middle portion of the wire rope to fix the overlapping portion of the wire rope.

4 and 5 , according to an embodiment of the present invention, a reinforcing structure 170 may be coupled to each of the pair of vertical members 110 . In addition, as shown in FIG. 8 , the reinforcing structure 170 may include at least a partially open U-shaped reinforcing channel 171 , one or more coupling pieces 172 , and one or more fixing bolts 173 . have. 9, in a state in which the vertical member 110 is positioned inside the reinforcing channel 171, the reinforcing piece 172 is put into the reinforcing channel 171, and the coupling hole 172a formed in the reinforcing piece 172 is formed. The fixing bolts 173 can be coupled to each other. In addition, the open end 171a of the reinforcing channel 171 may be bent at least once. One side 172b of the reinforcing piece 172 may interfere with the open end 171a, and the other side 172c of the reinforcing piece 172 may be in contact with at least a portion of the inner surface of the reinforcing channel 171 . . This reinforcing structure 170 reinforces the strength of the vertical member 110 by firmly fixing the vertical member 110 so that the vertical member 110 does not flow, so that vibration or shock caused by an earthquake can be effectively alleviated. That is, the reinforcing structure 170 may help to further improve the seismic performance of the seismic device 100 of the present invention.

In addition, the upper end of the reinforcing channel 171 of the reinforcing structure 170 may be spaced apart from the ceiling C by a predetermined distance, and the lower end of the reinforcing channel 171 may be spaced apart from the horizontal member 120 by a predetermined distance. According to this configuration, when a load or vibration caused by an earthquake occurs, the reinforcing structure 170 can effectively mitigate the impact while preventing the reinforcing structure 170 from colliding with or interfering with other members.

4 to 6 , the reinforcing structure 170 may include two or more fixing bolts 173 , and the distance A between the fixing bolts is the diameter of the vertical member 110 . can be adjusted according to For example, as the diameter of the vertical member 110 increases, the spacing A between the fixing bolts may increase, but is not limited thereto, and the fixing bolts may be disposed in other ways.

According to an embodiment of the present invention, as shown in Fig. 10 (a), one through-hole 141 is formed on one side to which the wire ropes 131 and 132 are coupled in the bracket 140, A single bolt insertion groove 142 may be formed on the other side to which the vertical member 110 is coupled. In addition, as shown in (b) of FIG. 10 , a locking washer 143 may be disposed on the upper surface of the bolt insertion groove 142 of the first bracket 140 . On the other hand, since the locking washer 143 is disposed on the upper surface of the bolt insertion groove 142 of the first bracket 140, only a portion of the insertion groove 142 is exposed when viewed from the top, and the rest of the locking washer ( 143), and the vertical member 110 may be located in an exposed portion of the upright groove 142.

In addition, as shown in FIG. 11 , two through holes 141 are formed on one side to which the wire ropes 131 and 132 are coupled in the first bracket 140 , and the other side to which the vertical member 110 is coupled. A single bolt insertion groove 142 may be formed on the side. For example, the first bracket 140 may have a 'Y-shape'. In addition, a locking washer 143 may be disposed on the upper surface of the bolt insertion groove 142 of the first bracket 140 . When using the first bracket 140 shown in FIG. 10, a pair of wire ropes can be fixed at a time. On the other hand, since the locking washer 143 is disposed on the upper surface of the bolt insertion groove 142 of the first bracket 140, only a portion of the insertion groove 142 is exposed when viewed from the top, and the rest of the locking washer ( 143), and the vertical member 110 may be located in an exposed portion of the upright groove 142.

Meanwhile, as shown in FIGS. 10 and 11 , a support groove 144 may be formed on an upper side of the through hole 141 of the first bracket 140 . At least a portion of the wire rope (131, 132) is fitted into the support groove (144), the support groove (144) can stably support the wire rope (131, 132) facing the ceiling side. For example, the seating groove 144 may have a semicircular shape, and the semicircular shape may have a size corresponding to the diameter of the wire ropes 131 and 132 .

Next, another embodiment of the present invention will be described. The seismic device of the cable tray, conduit, and bus duct support of the present invention may be coupled to at least two or more cable trays, conduit, and bus duct support (S). This support (S) is fixed to the lower part of the ceiling (C) of the building and is coupled to the end of the pair of vertical members to maintain a pair of vertical members 110 and horizontally extending in the vertical direction, and a cable tray (CT) , may include a horizontal member 120 for supporting the conduit or bus duct.

In addition, in the earthquake-resistant device, at both points where the vertical member 110 and the horizontal member 120 are coupled, the longitudinal direction (Y direction) of the horizontal member 120 and the longitudinal direction of the cable tray CT Two pairs of inclined members (not shown) and the vertical member 110 and each of the inclined members extending obliquely outwardly in the direction between (X direction) and fixed to the lower part of the ceiling (C) A structure 170 may be included. That is, in the above-described embodiment, instead of the wire ropes 131 and 132, it is possible to use an inclined member of a rigid fixing method. For example, the inclined member may be a computerized bolt rod (a computerized bolt) or a metal rod, but is not limited thereto.

Meanwhile, the reinforcing structure 170 may include a U-shaped reinforcing channel 171 , one or more coupling pieces 172 , and one or more fixing bolts 173 . In addition, as described above, the upper end of the reinforcing channel 171 of the reinforcing structure 170 is spaced apart from the ceiling C by a predetermined distance, and the lower end of the reinforcing channel 171 is spaced apart from the horizontal member 120 by a predetermined distance. can be spaced apart. In addition, the reinforcing structure 170 may include two or more fixing bolts 173 , and an interval A between the fixing bolts may be adjusted according to the diameter of the vertical member 110 .

Although the present invention has been described with reference to the embodiment shown in the drawings, which is only exemplary, those of ordinary skill in the art to which the present invention pertains will understand that various modifications and equivalent other embodiments are possible therefrom. will be. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims.

100: seismic device of cable tray, conduit, bus duct support
110: vertical member
120: horizontal member
131, 132: wire rope
140: first bracket
150: second bracket
160: length adjustment means
170: reinforcement structure

Claims (1)

A pair of vertical members 110 that are fixed to the lower part of the ceiling (C) of the building and extend in the vertical direction, and are coupled to the ends of the pair of vertical members to maintain horizontality and are connected to a cable tray (CT), a conduit or a bus duct In the earthquake-resistant device coupled to at least two or more cable trays, conduits, and bus duct supports including a transverse member 120 for supporting the
At both points where the vertical member 110 and the horizontal member 120 are coupled, a direction between the longitudinal direction (Y direction) of the horizontal member 120 and the longitudinal direction (X direction) of the cable tray CT a pair of inclined members extending upward and outwardly and fixed to the lower part of the ceiling (C); and
and a reinforcing structure 170 coupled to each of the vertical member 110 and the inclined member,
The reinforcing structure 170 is composed of a U-shaped reinforcing channel 171 , one or more coupling pieces 172 , and one or more fixing bolts 173 .
Seismic protection of cable trays, conduits and bus duct supports.

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