JP4711308B2 - Body floor surface fixing tool and body floor surface fixing method - Google Patents

Description

  The present invention relates to a chassis floor surface fixing tool and a chassis floor surface fixing method for fixing a bottom surface of a chassis and a floor surface or a channel base of a power converter such as a drive device or an uninterruptible power supply.

  Conventionally, in a power conversion device such as a drive device or an uninterruptible power supply device, in order to fix the housing, it is directly fixed by an anchor bolt provided on the floor surface, or a channel fixed to the floor surface. It is fixed with bolts through the base.

If the floor surface is strong and the floor surface is horizontal, it can be fixed directly to the floor surface. Normally, however, a channel base is attached and fixed to the floor surface, and the housing is placed on the channel base. Place and fix several places on the channel base and the bottom of the case with bolts. In this fixing method, proposals have been made to improve work efficiency by fixing the channel base and the housing integrally to the floor surface (see, for example, Patent Document 1).
JP 11-150376 A (Overall)

  According to the method described in Patent Document 1, after the housing is installed on the channel bale, the fixing bolt is fastened and fixed from the inside of the housing.

  Therefore, depending on the installation location of the chassis, there is no space on the rear side of the chassis. It was necessary to remove the existing equipment and secure the space before dive, and the work efficiency was extremely poor.

  The present invention has been made in view of the above problems, and even when there is no space on the rear surface of the housing and the lower portion in the housing, the rear surface side of the housing can be fixed to the floor surface relatively easily. An object of the present invention is to provide a frame floor surface fixing tool and a frame floor surface fixing method.

In order to achieve the above object, a frame floor surface fixture according to the first aspect of the present invention is a fixed pin fixed to the floor surface and having a double cylindrical shape in which the diameter of the upper cylinder is larger than the diameter of the lower cylinder, A connecting hole having a shape in which a large-diameter hole having a diameter larger than the diameter of the upper cylinder of the fixing pin and an oval hole having a diameter slightly larger than the diameter of the lower cylinder is connected to the bottom plate of the housing. A sliding support, a guide fixed to the bottom plate of the casing, and a guide for sliding the sliding support on the casing bottom plate in the front-rear direction of the casing, and fixing the casing and the sliding support When the sliding support is slid by passing the fixing pin through the opening provided on the bottom plate of the housing and the large-diameter hole of the connecting hole. The outer peripheral edge of the circle and the As constant pin engages, the height of the lower cylinder of the fixing pins, as well as slightly larger than the thickness of the height plus the bottom plate of the casing to the thickness of the sliding support, the fixing means, A screw hole provided in the slide type support is used, and it is fixed with a bolt through the guide .

Further, the frame floor surface fixing method according to the second aspect of the present invention is a method in which a fixing pin having a double cylindrical shape in which the diameter of the upper cylinder is larger than the diameter of the lower cylinder is fixed to the floor surface, and the upper cylinder of the fixing pin A sliding support having a connecting hole in a shape in which a large-diameter hole having a diameter larger than that of the lower cylinder and an oval hole having a diameter slightly larger than the diameter of the lower cylinder is connected to at least an opening larger than the connecting hole. Placed on the bottom plate of the housing, the housing is landed on the floor so that the fixing pin penetrates the large-diameter hole of the connecting hole, and the sliding support is slid along the guide, The outer peripheral end of the oval part of the previous connection hole is engaged with the fixing pin, and in this state, the sliding support is used by using the screw hole provided in the sliding support, and the casing is interposed through the guide. On the bottom plate By fixing with bets it is characterized in that so as to secure the housing to the floor surface.

  ADVANTAGE OF THE INVENTION According to this invention, even if there is no space of a housing | casing back surface and the lower part in a housing | casing, the housing floor surface fixing tool and housing body which can fix the back surface side of a housing | casing to a floor surface comparatively easily. It is possible to provide a surface fixing method.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  Hereinafter, the frame floor surface fixing tool and the frame floor surface fixing method according to the first embodiment of the present invention will be described with reference to FIGS. 1 to 3.

  1A and 1B are explanatory views of a frame floor surface fixing tool and a frame floor surface fixing method according to Embodiment 1 of the present invention, in which FIG. 1A is a side view and FIG. The figure is shown.

  In FIG. 1, the housing 1 is disposed on the floor surface 2. Here, the floor surface 2 may be the floor surface itself or the upper surface of the channel base. A panel-like sliding support 3 is arranged on the bottom surface of the housing 1 such that its longitudinal direction is directed from the back surface of the housing 1 to the front surface. A connecting hole 31 having a shape in which a large-diameter hole and a small-diameter oval hole are connected is provided on the back side of the housing 1 of the sliding support 3 in a direction in which the oval hole is on the back side of the housing 1. It has been. The bottom plate of the housing 1 is also provided with an opening having at least the size of the connecting hole 31. As shown in FIG. 1 (a), the floor 2 has a T-shaped cross section, that is, a double cylindrical fixing pin 4 in which a large diameter cylinder is added to a small diameter cylinder. It has been. For example, as shown in FIG. 1A, the fixing pin 4 is fixed to the floor surface 2 from above by making a hole in the center of the cylinder and using bolts.

  Details of the fixing pin 4 are shown in FIG. 2A is a plan view and FIG. 2B is a front view. As shown in FIG. 2, the upper cylinder 42 is placed on the lower cylinder 41, and a fixing bolt hole 43 is provided at the center. Here, the diameter of the upper cylinder 42 is slightly smaller than the diameter of the large-diameter hole of the connecting hole 31 of the sliding support 3. The diameter of the lower cylinder 41 is set to be approximately equal to the diameter of the oval hole of the connecting hole 31 of the slide type support 3, and the height of the lower cylinder 41 is equal to the thickness of the slide type support 3. The thickness of the bottom plate of 1 is slightly larger than the total thickness.

  A guide 5 is provided to slide the sliding support 3 in the front direction from the back of the housing 1. As shown in FIG. 1B, the guide 5 is fixed to the bottom surface of the housing 1 so as to press the sliding support 3 against the bottom surface of the housing 1.

  A sectional view of the guide 5 is shown in FIG. FIG. 3 is a cross-sectional view taken along the line XX ′ in FIG. As shown in FIG. 3, the guide 5 is disposed so as to press the sliding support 3 from both the left and right directions and from the upper side, and is fixed to the floor surface 2 using a fixing stud 51. Therefore, the slide type support 3 can slide on the floor surface 2 along the guide 5.

In FIG. 1B, a front surface side fixing hole 11 provided on the bottom surface of the housing 1 is for fixing the front surface side of the housing 1 to the floor surface 2 with a bolt or the like.

  Next, a method for fixing the back side of the housing 1 to the floor surface 2 in the above state will be described. First, the housing 1 is hung by a crane (not shown) or lifted by a forklift to create the state shown in FIG. Then, the bottom surface of the housing 1 is landed to the floor surface 2 in the direction of the arrow A shown in FIG. As described above, since the diameter of the upper cylinder 42 of the fixing pin 4 is slightly smaller than the diameter of the large-diameter hole of the connecting hole 31, the fixing pin 4 penetrates the large-diameter portion of the connecting hole 31 by the above operation.

  In the above state, the slide type support 3 is slid in the direction of the arrow B shown in FIG. This sliding is performed, for example, by hitting a protrusion provided on the front side end of the sliding support 3 with a mallet.

  As described above, the diameter of the lower cylinder 41 of the fixing pin 4 is substantially equal to the diameter of the oval hole of the connecting hole 31 of the sliding support 3, and the height of the lower cylinder 41 is equal to the thickness of the sliding support 3. Since the thickness is slightly larger than the thickness of the bottom plate of the housing 1, the sliding support 3 is supported until the outer periphery of the lower cylinder 41 of the fixing pin 4 comes into contact with the outer peripheral end of the oblong hole of the connecting hole 31. Moves in the direction of arrow B in FIG.

  With the sliding support 3 moved to the front side of the housing 1 in this way, the sliding support 3 is used by using the oval fixing holes 51 provided in the guide 5 and the screw holes 32 of the sliding support 3. 3 is fixed to the guide 5. In this way, the sliding support 3 is fixed to the bottom plate of the housing 1 through the guide 5.

  According to the fixing method described above, it is possible to fix the back side of the housing 1 to the floor surface relatively easily even in a state where there is no space on the back surface of the housing 1 and the lower part on the back side in the housing 1. Become. Moreover, since the frame floor surface fixing tool which consists of the fixing pin to be used, a slide type support, and a guide does not appear outside, an external appearance is not spoiled.

  FIG. 4: is a top view which shows the frame floor surface fixing tool based on Example 2 of this invention, and the fixing method using this. About each part of this Example 2, the same part as each part of the top view which shows the frame floor fixing tool and the frame floor surface fixing method which concern on Example 1 of FIG.1 (b) is shown with the same code | symbol, The description is abbreviate | omitted. . The second embodiment is different from the first embodiment in that the guide 5 is divided into two guides 5A and 5B, and the slide support 3A is replaced with a screw hole 32 for fixing the slide support 3 to the guide 5. The fixing hole 33 is provided.

In order to fix the rear portion of the housing 1, the sliding support 3 </ b> A is slid, and the outer periphery of the lower cylinder 41 of the fixing pin 4 comes to a position where it comes into contact with the outer peripheral end of the oval portion of the connection hole 31. The fixing hole 33 is overlapped with the front- side fixing hole 11, and in this state, the sliding support 3 </ b> A and the bottom plate of the housing 1 are fastened and fixed together.

  According to the configuration and method of Example 2 described above, the bolt for fixing the front surface and the back surface of the housing 1 to the floor surface becomes one place, and the work process can be improved.

When the fixing bolt on the front surface of the housing 1 is an anchor bolt embedded in the floor surface, the fixing hole 33 is formed into an oval shape in the longitudinal direction of the sliding support 3A. The anchor bolt may be passed through the front- side fixing hole 11 and the fixing hole 33 and the sliding support 3A may be slid and fixed in this state.

  FIGS. 5 (a) and 5 (b) are a plan view and a side view of a sliding support 3B used in the frame floor fixture and the frame floor fixing method according to Embodiment 3 of the present invention, respectively.

  As shown in FIG. 5, the slide type support 3 </ b> B has a structure having a taper 34 in the portion of the oval hole in the connection hole 31. That is, as shown in FIG. 5B, the thickness of the large-diameter hole in the connecting hole 31 of the sliding support 3B is h1, and the thickness of the portion on the right side of the oval hole is h2 larger than h1, The thickness of the sliding support 3B in the section is continuously changed. H1 is slightly smaller than the sum of the height of the lower cylinder 41 and the thickness of the bottom plate of the housing 1 in FIG. 3B, and h2 is the sum of the height of the lower cylinder 41 and the thickness of the bottom plate of the housing 1. Slightly larger than the thickness.

  As described above, when the sliding support 3B having the tapered portion 34 is used, after the housing 1 is landed in the direction of the arrow A shown in FIG. 1A, the sliding support 3B is mounted in the direction of the arrow B. When sliding, the engagement between the fixing pin 4 and the sliding support 3B becomes stronger and more reliable, and the fixing of the back side of the housing 1 in the vertical direction can be made stronger.

  FIGS. 6A and 6B are a plan view and a front view, respectively, of a fixing pin 4A used in a frame floor fixture according to a fourth embodiment of the present invention and a fixing method using the same.

  About each part of this Example 4, the top view and front view which show the fixing pin 4 used for the frame floor surface fixing tool and the frame floor surface fixing method which concern on Example 1 of FIG. 2 (a), FIG.2 (b) The same parts as those of the parts are denoted by the same reference numerals, and description thereof is omitted. The fourth embodiment differs from the first embodiment in that a large-diameter bottom cylinder 44 is provided below the lower cylinder 41.

  The diameter of the bottom cylinder 44 is substantially the same as that of the upper cylinder 42, and the height thereof is substantially the same as the thickness of the bottom plate of the housing 1. In this case, the height of the lower cylinder 41 is set to be slightly larger than the thickness of the sliding support 3.

  According to the fourth embodiment, the bottom cylinder 44 provided at the lower end portion of the fixing pin 4A serves as a guide when the housing 1 is installed on the floor or the channel base, so that the housing 11 can be mounted with higher accuracy. Accretion and installation are possible.

  The bottom cylinder 44 may be a hollow cylinder whose inner diameter is equal to that of the lower cylinder 41 and may be installed so as to penetrate the lower cylinder 41.

  FIG. 7: is a front view of the fixing pin 4B used for the frame floor surface fixing tool and the frame floor surface fixing method which concern on Example 5 of this invention.

  About each part of this Example 5, the same part as each part of the front view which shows the fixing pin 4 used for the frame floor surface fixing tool and the frame floor surface fixing method which concerns on Example 1 of FIG.2 (b) is shown with the same code | symbol. The description is omitted. The fifth embodiment is different from the first embodiment in that the upper cylinder 42A is provided with a tapered portion that gradually decreases the diameter in the upper direction.

  By using such a fixing pin 4B, it is possible to easily align the fixing pin 4 and the connecting hole 31 in the installed state shown in FIG. In addition, in FIG. 7, although the taper part is provided in all the outer peripheral parts of the cylinder 42A, it is good also as a structure which provides a taper part in the outer peripheral part of a part of upper end.

Explanatory drawing of the frame floor surface fixing tool and the frame floor surface fixing method which concern on Example 1 of this invention. The shape explanatory view of the fixed pin in Example 1 of the present invention. Sectional drawing of the guide in Example 1 of this invention. Explanatory drawing of the frame floor surface fixing tool and the frame floor surface fixing method which concern on Example 2 of this invention. Explanatory drawing of the slide type support in Example 3 of this invention. Explanatory drawing of the fixing pin in Example 4 of this invention. Explanatory drawing of the fixing pin in Example 5 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Housing | casing 2 Floor surface 3, 3A, 3B Sliding support 4, 4A, 4B Fixing pin 5, 5A, 5B Guide 11 Front side fixing hole 31 Connection hole 32 Screw hole 33 Fixing hole 34 Tapered part 41 Lower cylinder 42 Upper cylinder 43 Bolt hole 44 Bottom cylinder 51 Fixing hole 52 Stud

Claims (8)

A fixed pin fixed to the floor and having a double cylindrical shape in which the diameter of the upper cylinder is larger than the diameter of the lower cylinder;
A connecting hole having a shape in which a large-diameter hole having a diameter larger than the diameter of the upper cylinder of the fixing pin and an oval hole having a diameter slightly larger than the diameter of the lower cylinder is connected to the bottom plate of the housing. Sliding support,
A guide that is fixed to the bottom plate of the housing and slides the sliding support on the bottom plate of the housing in the front-rear direction of the housing;
Comprising fixing means for fixing the housing and the sliding support;
When the sliding support is slid by passing the fixing pin through the opening provided on the bottom plate of the housing and the large-diameter hole of the connection hole, the outer peripheral end of the oval part of the previous connection hole; So that the fixing pin meshes,
While making the height of the lower cylinder of the fixed pin slightly larger than the height of the sliding support plus the thickness of the bottom plate of the housing ,
The fixing means includes
Using screw holes provided in the sliding support,
A frame floor surface fixture that is fixed with bolts through the guide . A fixed pin fixed to the floor and having a double cylindrical shape in which the diameter of the upper cylinder is larger than the diameter of the lower cylinder;
A connecting hole having a shape in which a large-diameter hole having a diameter larger than the diameter of the upper cylinder of the fixing pin and an oval hole having a diameter slightly larger than the diameter of the lower cylinder is connected to the bottom plate of the housing. Sliding support,
A guide that is fixed to the bottom plate of the housing and slides the sliding support on the bottom plate of the housing in the front-rear direction of the housing;
Comprising fixing means for fixing the housing and the sliding support;
When the sliding support is slid by passing the fixing pin through the opening provided on the bottom plate of the housing and the large-diameter hole of the connection hole, the outer peripheral end of the oval part of the previous connection hole; So that the fixing pin meshes,
While making the height of the lower cylinder of the fixed pin slightly larger than the height of the sliding support plus the thickness of the bottom plate of the housing,
The fixing means includes
A front-side fixing hole of the casing provided on a bottom plate of the casing;
Align the fixing holes provided in the sliding support,
A frame floor surface fixture that is fixed together with fixing bolts. The sliding support is
The frame floor surface fixture according to claim 1 or 2, further comprising a tapered portion whose thickness gradually increases from the large-diameter hole toward the oblong hole. The bottom cylinder of which the height from the floor surface is equal to the thickness of the bottom plate of the housing and the diameter of the cylinder is equal to the diameter of the upper cylinder is fixedly added to the lower end portion of the fixing pin. The frame floor surface fixture according to any one of claims 1 to 3. The upper cylinder of the fixing pin is
The frame floor fixture according to any one of claims 1 to 4, further comprising a tapered portion whose diameter gradually decreases from the bottom to the top. The sliding support is
The housing floor surface fixture according to any one of claims 1 to 5, wherein a protrusion is provided at an end portion on a front surface side of the housing. A fixing pin having a double cylindrical shape in which the diameter of the upper cylinder is larger than the diameter of the lower cylinder is fixed to the floor surface,
A sliding support having a connecting hole having a shape in which a large-diameter hole having a diameter larger than the diameter of the upper cylinder of the fixing pin and an oblong hole having a diameter slightly larger than the diameter of the lower cylinder is connected to at least the connecting hole. Placed on the bottom plate of the housing with a larger opening,
The casing is landed on the floor so that the fixing pin penetrates the large-diameter hole of the connecting hole, and the sliding support is slid along the guide, so that the outer periphery of the oval part of the previous connecting hole The end and the fixing pin are engaged with each other,
In this state, the casing is fixed to the floor surface by fixing the sliding support to the bottom plate of the casing with a bolt using the screw hole provided in the sliding support. A method for fixing the floor of the frame, characterized in that A fixing pin having a double cylindrical shape in which the diameter of the upper cylinder is larger than the diameter of the lower cylinder is fixed to the floor surface,
A sliding support having a connecting hole having a shape in which a large-diameter hole having a diameter larger than the diameter of the upper cylinder of the fixing pin and an oblong hole having a diameter slightly larger than the diameter of the lower cylinder is connected to at least the connecting hole. Placed on the bottom plate of the housing with a larger opening,
The casing is landed on the floor so that the fixing pin penetrates the large-diameter hole of the connecting hole, and the sliding support is slid along the guide, so that the outer periphery of the oval part of the previous connecting hole The end and the fixing pin are engaged with each other,
A front-side fixing hole of the casing provided on a bottom plate of the casing;
Align the fixing holes provided in the sliding support,
A method for fixing the frame floor surface, wherein the bolts are fixed together with fixing bolts.

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