JP2015177147A - Channel base - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a channel base for a distribution board, which can be used as a fall-preventive fitting during temporarily installation such as a factory test.SOLUTION: A channel base 10 used as a frame when installing a housing 2, can be divided into plural pieces, and divided channel base members 1A and 1B configuring the channel base are formed so as to be attached/detached to/from a lower part of the housing. When installed to the lower part of the housing, the channel base members 1A and 1B partially bulge out to the outside of the housing in a plurality of directions, and are equipped with a fall-preventive function of the housing.

Description

  The present invention relates to a channel base that is installed between a switchboard and a floor when installing the switchboard and the like, and more particularly to a channel base that can also serve as a tipping prevention tool during temporary installation.

  As a conventional switchboard channel base, a frame divided into two U-shaped sections, a locking projection for positioning the insulating plate provided on the insulating plate contact surface of the frame, and a side surface of the frame In addition, there is one provided with an opening for taking out a cable provided in a divided portion of the frame and a cover covering the opening (see, for example, Patent Document 1).

Japanese Utility Model Publication No. 5-74103 (2nd page, FIG. 1)

  The conventional channel base as described above does not have a fall-prevention function because it is dedicated for installation, and it is necessary to prepare a dedicated fall-prevention bracket for temporary installations such as factory tests. After the test was completed, there was a problem that costs such as return transportation costs and disposal costs to the switchboard production department were incurred, resulting in increased costs.

  The present invention has been made in order to solve the above-described problems, and has a channel base that can be used both for installation and temporary installation of a casing such as a switchboard, and can reduce material and cost. It is intended to provide.

  The channel base according to the present invention is a channel base used as a gantry when the housing is installed, the channel base can be divided into a plurality of parts, and the divided channel base members constituting the channel base are It is formed to be detachable at the lower part of the casing, and when it is attached to the lower part of the casing, a part of the casing protrudes outward from the casing in a plurality of directions and has a function of preventing the casing from falling. It is characterized by.

  In this invention, the channel base is formed so as to be divided into a plurality of parts, and the divided channel base member constituting the channel base is detachably formed at the lower part of the casing, and the lower part of the casing A part of the channel base that protrudes to the outside of the housing in a plurality of directions and has a function to prevent the housing from falling down is provided. It can also be used as a stand for preventing overturning at the time, and the amount of materials used and cost can be reduced.

It is a figure which shows the channel base member which comprises the channel base which concerns on Embodiment 1 of this invention. It is a perspective view which shows the usage example of the channel base using the channel base member shown by FIG. 1, (a) is the example of installation in the time of temporary installation, (b) has shown the example of installation in the time of installation. It is a top view which shows a pair of channel base member which comprises the channel base which concerns on Embodiment 2 of this invention. It is a top view which shows the modification of the channel base member shown by FIG.

Embodiment 1 FIG.
1 is a view showing a channel base member constituting a channel base according to Embodiment 1 of the present invention, and FIG. 2 is a perspective view showing an example of use of the channel base using the channel base member shown in FIG. , (A) shows an installation example at the time of temporary installation, and (b) shows an installation example at the time of installation. FIG. 1 shows one of the channel base members having a shape in which the channel base is equally divided into two, (a) is a plan view, (b) is a front view, (c) is a right side view, (d ) Is a rear view. As shown in FIGS. 1 and 2 (a), a channel base 10 used as a base or a base frame for installing a casing 2 such as a switchboard is welded by using a U-shaped frame material made of, for example, steel. As shown in FIG. 2 (b), a pair of channel base members 1A, 1B formed in a U-shape by means of, for example, are connected to form a rectangular frame and fixed to the floor surface. Used for installation of the body 2.

  As shown in FIG. 1, the channel base members 1A and 1B constituting the channel base 10 have a U-shape obtained by equally dividing the channel base 10 into two parts in the front and rear, and have the same size and structure. The base member 1A will be described. In addition, the housing | casing 2 is a switchboard here, and the left-right direction of FIG. 2 is made into the width direction, and the near side is made into the front side for convenience. The channel base member 1A connects a pair of parallel sides 11 and 12 extending in parallel with each other and one end of the parallel sides 11 and 12 (upper side in FIG. 1A) to form a U-shaped base. A rectangular backing plate 101 is fixed by welding to the bottom surface side in the vicinity of the connection portion between the connection side portion C1 and the parallel side portions 11 and 12, that is, the portion in contact with the floor surface.

  A hole 10h including a screw hole for fixing the bottom surface of the housing 2 such as a switchboard is provided on one end side of the parallel sides 11 and 12. Further, the base plate 101 is provided with an installation hole 101h for channel base installation, and a connection side portion C1 corresponding to the installation hole 101h is provided with an insertion hole H for a tightening tool. In addition, it is preferable that the position of the hole 10h for fixing the bottom surface of the housing 2 such as a switchboard is, for example, near the center position of the steel material width so as not to become unstable even if the mounting direction of the channel base 10 is changed. The length of the parallel sides 11 and 12 in the front-rear direction, that is, the length Ld in the depth direction of the channel base members 1A and 1B is a dimension obtained by equally dividing the channel base 10 having the depth dimension D into two in the front-rear direction. The connection parts 11a and 12a on the other end side (the lower side in FIG. 1A) of the parallel side parts 11 and 12 of the base members 1A and 1B are arranged so as to face each other, so that FIG. As shown in FIG. 1, a rectangular channel base 10 for one switchboard is formed.

Next, the operation of the first embodiment configured as described above will be described. First, a case will be described in which a channel base is temporarily installed and a fall prevention function is used for a switchboard factory test or the like.
First, when temporarily installing the casing 2 such as a switchboard, the casing is such that a part of the two channel base members 1A and 1B protrudes in the front-rear direction of the casing 2 as shown in FIG. Attach to the bottom of 2. In this case, the channel base members 1A and 1B are screwed to the bottom surface of the housing 2 and the channel base members 1A and 1B with bolts (not shown) using holes 10h for fixing the bottom surface of the housing 2. To fix. In this way, by fixing a part of the two channel base members 1A and 1B so as to protrude in the front-rear direction of the housing 2, the housing 2 is provided even when the channel base members 1A and 1B and the floor are not fixed. The function of preventing overturning can be obtained.

  On the other hand, when installing the housing 2 such as a switchboard, the pair of U-shaped channel base members 1A and 1B attached at the time of temporary installation are removed from the bottom surface of the housing 2. Then, for example, an anchor bolt (not shown) provided upright at a predetermined portion of the installation location is inserted into a channel base installation hole 101h provided in the contact plate 101, as shown in FIG. 2 (b). The mounting direction is opposite to that at the time of temporary installation, and the channel base 10 is fixed to the floor so as to form a rectangular (“B” -shaped) channel base 10. The same function as that of the conventional channel base can be obtained by mounting the casing 2 such as a switchboard on the rectangular channel base 10 using the holes 10h.

  The length Ld in the depth direction of the channel base members 1A and 1B is ½ of the depth D of the bottom surface of the casing 2 such as a switchboard, and two are used during installation, but the amount of steel used is the conventional channel base. Is the same. In addition, when the channel base member 1A and the channel base member 1B are connected to each other by the connecting portions 11a and 12a to form a rectangular shape, the connecting means is not particularly limited, and known methods such as welding and screwing are used. The technique can be selected and used as appropriate, but may be used without being integrated by connection means such as welding depending on required strength.

  As described above, in the first embodiment, the channel base 10 is formed so as to be divided into a plurality of parts, and the divided channel base members 1A and 1B are partially separated from the lower part of the housing 2 in the outer direction. The channel base 10 is formed so as to be attachable to the lower portion of the housing 2 in an overhanging state and has a function of preventing the body 2 from falling over when temporarily installed. The channel base members 1A and 1B formed and divided into a frame shape including a rectangular portion are formed into a shape including a U-shaped portion obtained by dividing the channel base 10 formed into a frame shape into two equal parts. As a result, the channel base used when installing the housing 2 can be used as a stand for preventing overturning during temporary installations such as factory tests, thereby reducing the amount of material used and costs. There is an advantage that it is possible.

Embodiment 2. FIG.
FIG. 3 is a plan view showing a pair of channel base members constituting the channel base according to Embodiment 2 of the present invention, and FIG. 4 is a plan view showing a modification of the channel base member shown in FIG. In the second embodiment, when a plurality of cases (not shown) such as a switchboard are connected in the width direction (here, two or three sides), as in the first embodiment, The channel base used in the above is configured so that it can also be used as a stand for preventing overturning during temporary installations such as factory tests. In FIG. 3, a pair of channel base members 1C and 1D constituting the channel base 10A are formed in a “Y” shape in plan view, and have three parallel sides 11, 12 and 13 extending in parallel with each other. , One side of the parallel sides 11, 12, and 13 is connected in the width direction (left and right in the drawing) to form a bottom side portion of the Y-shape, and the left and right parallel to the connection side C1. A total of four rectangular shapes fixed by welding to the bottom surface side in the vicinity of each connection portion of the side portions 11 and 12 and the bottom surface side in the vicinity of each connection portion of the left and right parallel side portions 12 and 13 to the connection side portion C2. A backing plate 101.

  And when using it as a frame of the housing | casing (illustration omitted) 2 surface connection in the width direction, the channel base member 1D is moved to the direction of the arrow shown in FIG. 3 with respect to the channel base member 1C. The connection portions 11a, 12a, 13a of one channel base member 1C and the connection portions 13a, 12a, 11a of the other channel base member 1C are arranged so as to abut against the corresponding counterparts, and are fixed by welding or the like. A channel base 10A having a “Japanese” shape is formed (not shown). The channel base 10 </ b> A formed as described above is configured to share the central parallel side portion 12, which is a frame-like frame located at the lower part of the portion connecting the housings, with the adjacent housings. ing. Therefore, the interval between the holes 10h for fixing the bottom surface of the one-side housing 2 is the same as that of the channel base member 1A shown in FIG. 1, and the width W of the two-side channel base member 1C shown in FIG. The width of the channel base member 1A shown in FIG. Other configurations are the same as those of the first embodiment.

  The channel base members 1C and 1D according to the second embodiment configured as described above are configured so that a “day” -shaped channel base corresponding to a case where two casings such as a switchboard are connected to each other is connected to parallel sides. The parallel sides 11, 12, 13 are equally divided into two in the front-rear direction in a direction orthogonal to the parts 11, 12, 13, and include two U-shaped parts. When used as a stand for preventing overturning at the time of temporary installation such as a factory test, the parallel sides 11, 12, and 13 are provided on the front side and the rear side of the casing not shown in the same manner as in FIG. Fix it to the bottom of the housing so that it overhangs. At the time of installation, the two channel base members 1C and 1D are connected by the parallel sides 11, 12, and 13 to form a “day” -shaped channel base (not shown). The parallel side portion 12, which is a frame-like frame located at the lower portion of a portion (a central portion in the width direction) where the housings are connected in the width direction, is configured to be shared by adjacent housings.

  On the other hand, the modification of the second embodiment shown in FIG. 4 corresponds to the case where three cases such as a switchboard are connected to each other, and the “eye” -shaped channel base 10B is arranged in the front-rear direction. The channel base members 1E and 1F having a shape equally divided into two (here in the horizontal direction in the drawing) are further provided with a connecting side portion C3 and a parallel side portion 14 on the upper side of the parallel side portion 13 in the drawing. Yes. The channel base members 1C (1D) and 1E (1F) shown in FIGS. 3 and 4 are, for example, a block including parallel sides 11, 12, and 13 and a block having an appropriate shape including connection sides C1 and C2. It is possible to change the size appropriately by combining a plurality of block members having different shapes from each other, and combining the required block members according to the number and size of the housings. It can also be configured as follows.

  According to the second embodiment configured as described above, the parallel sides that are frame-like frames in the front-rear direction located at the lower part of the portion (the central portion in the width direction) where the casings are connected in the width direction 3, the parallel side portion 12 in the example of FIG. 4, and the parallel side portion 12 and the parallel side portion 13 in the example of FIG. 4 are configured to be shared by adjacent housings. For this reason, compared with the case of Embodiment 1 formed for 1 surface, the further effect that it becomes possible to reduce the amount of steel materials used per surface of a housing | casing is acquired.

  It should be noted that within the scope of the present invention, a part or all of each embodiment can be freely combined, or each embodiment can be appropriately modified or omitted.

  1A, 1B, 1C, 1D, 1E, 1F Channel base member, 2 housing, 10, 10A, 10B channel base, 10h hole, 11, 12, 13, 14 Parallel side portion, 11a, 12a, 13a Connection portion, C1 , C2, C3 connection side portion, 101 contact plate, 101h installation hole, H insertion hole, Ld length of channel base member in the depth direction, D depth dimension, width of channel base member for W2 surface.

Claims (3)

  A channel base used as a frame for installing a housing, wherein the channel base can be divided into a plurality of parts, and the divided channel base members constituting the channel base can be attached to and detached from the lower part of the housing A channel base that is formed and has a function of preventing the casing from overturning when a part of the casing is attached to a lower portion of the casing and projects in a plurality of directions outward from the casing.   The channel base is formed in a frame shape along the outer peripheral portion of the housing, and the channel base member is configured to divide the channel base into two or the like in a direction orthogonal to a plurality of parallel sides formed in the frame shape. 2. The channel base according to claim 1, comprising a divided U-shaped portion.   The channel base used as a frame for a plurality of casings connected in the width direction is configured so that a frame-like frame located at a lower portion of a portion connecting the casings is shared by adjacent casings. 3. The channel base according to claim 2, wherein the channel base is configured.

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