JP3088261U - Extension stand - Google Patents

Abstract

(57) [Summary] [Problem] To shorten the time required for anchor installation work, there is no need to load and transport the gantry, and the legs prevent the wiring work that passes cables through the space under the floor panel. It is to be able to easily perform without being performed. SOLUTION: In a gantry on which a gantry is to be installed, a gantry body 11 having one end-side installation part 2 and the other end-side installation part 2 so as to have an extended length, and having legs 1 at four corners, An intermediate beam (12) fixed to the gantry body (11) so as to be changeable in the longitudinal direction and located between the one end side installation part (2) and the other end side installation part (2) and having an intermediate installation part. It is an expansion stand.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 This invention is used for the double floor method of installing floor panels with a space for cables to pass on the floor of concrete etc., and fixing the frame for electric devices and shelves etc. fixed on the floor of concrete etc. In particular, in addition to a frame with a normal length as the depth, etc., a frame with a length that is longer than usual, such as for electrical equipment with non-standard dimensions, is installed. It relates to an expansion stand to be obtained.

[0002]

[Prior art]

 Conventionally, when installing a frame having a normal depth of 600 mm in the double floor method, as shown in the front side of FIG. 4, two steel members having an L-shaped cross section are joined in a U-shape. And two mounting parts which form a leg 1 and a mounting part 2 for connecting them in a beam shape, and a base 3 for fixing to a concrete floor with anchor bolts is attached to each leg 1 so that the height can be adjusted by a screw shaft. 4 are arranged so as to have a depth of about 600 mm, and the legs 1 of the gantry parts 4 are integrally connected by two girders 5 made of a steel material having an L-shaped cross section. A so-called H-type gantry 6 is used.

As shown in FIG. 5, when a frame 7 having a depth of 700 to 900 mm, which is larger than a normal frame, is installed, the frame 7 protrudes from the H-type frame 6. As shown in the back side of FIG. 5 and in FIG. 5, this also joins steel materials having an L-shaped cross section in a U-shape to form two legs 1 and a mounting portion 2 for connecting them in a beam shape. A base 3 is attached to the base 1 so that the height can be adjusted by a screw shaft, and a horizontal extended installation section 8 is formed by a steel material having an L-shaped cross-section joined to one of both ends of the installation section 2. A bracket 10 made of a steel material having a short L-shaped cross section is formed by assembling a steel material having an L-shaped cross section into a box-shaped cross section of the extension mounting portion 8 of the additional mount 9 having a depth of 300 mm. , Via bolts and nuts (not shown) The two legs 1 of the pedestal part 4 on the back side of the pedestal 6 are integrally connected to each other, thereby enabling the installation of the gantry 7 having the large depth dimension described above. In addition, the code | symbol C in FIG. 5 shows a concrete floor, and P shows a floor panel. In FIG. 5, the left side of each frame 7 is the front side of the apparatus.

[0004]

[Problems to be solved by the invention]

 However, such a conventional configuration has a problem that it takes a long time for the anchor installation work because the six bases 3 are fixed to the concrete floor C with the anchor bolts in combination with the H-type base 6 and the additional base 9. Since the gantry 9 has an unstable shape of an inverted L-shape, it takes time to load and transport the gantry 9, and there are a total of six legs 1 of the gantry. There was also a problem that hindered wiring work. In addition, when the additional frame 9 is attached to the H-shaped frame 6, it takes time to adjust the height of the additional frame 9, so that there is a problem that the installation work takes time.

[0005]

[Means for Solving the Problems and Their Functions and Effects]

 The purpose of the present invention is to provide a gantry that advantageously solves the above-mentioned problems, and an extended gantry of the present invention is provided on a gantry on which a gantry is installed so that one end of the gantry has an extended length. A gantry body having an installation portion and an installation portion on the other end side and having legs at four corners, the installation portion on the one end side and the other end side fixed to the gantry body so that the fixing position can be changed in the length direction. And an intermediate beam having an intermediate installation portion and being located between the installation portion.

[0006] According to the extension base of the present invention, the one end-side installation part and the other end-side installation part of the gantry main body so as to have an extended length, and the one-end-side installation part and the other-end-side installation part are provided. By appropriately using the intermediate installation portion of the intermediate beam positioned between the fixed positions so that the fixed position can be changed, it is possible to install a frame having a size larger than a normal frame.

In addition, according to the extension base of the present invention, it is only necessary to fix the four bases of the four corner legs to the floor of concrete or the like with anchor bolts, so that the time required for anchor construction work can be shortened. In addition, since the gantry body has a stable four-legged shape, there is no need to load and transport the gantry body, and there are only four legs of the gantry body, so cables are installed in the space below the floor panel. Wiring work through a class can be easily performed without being obstructed by its legs.

[0008] The intermediate beam in the extended gantry of the present invention is provided horizontally on the gantry body between the one-end-side installation portion and the other-end-side installation portion, and is provided with the one-end-side installation portion. It may be fixed on a girder connecting to the other end side mounting part. In this case, even if the fixing position of the intermediate beam is moved, the height does not change. Since there is no need to adjust the height of the other end side installation part and the intermediate installation part, the time for the installation work can be reduced.

[0009]

[Embodiment of the invention]

 Hereinafter, embodiments of the present invention will be described in detail by way of examples with reference to the drawings. Here, FIG. 1 is a perspective view showing an embodiment of the extension base of the present invention, and FIG. 2 is a side view showing the installation state of the frame when the extension base of the embodiment is used. The same parts as those in the conventional example are denoted by the same reference numerals.

That is, the extension base of this embodiment shown in FIG. 1 is formed by welding and joining steel materials having an L-shaped cross section in a U-shape as in the conventional example shown in FIG. And a base 3 for fixing to a concrete floor with anchor bolts is provided on each leg 1 with a screw shaft. In order to be able to cope with the frame 7 having a depth of 700 to 900 mm, which is larger than a normal frame, the two frame parts 4 mounted so that the height can be adjusted by The two legs 5 made of L-shaped cross-section steel with both ends welded to the legs 1 of the gantry parts 4 are integrally connected to each other. It comprises a gantry body 11 configured, wherein the two girders 5 each The installation part 2 on the end side (the left front side in FIG. 1) and the installation part 2 on the other end side (the right back side in FIG. 1) are integrally connected, and a horizontal space is provided between the installation parts 2. It extends to.

Further, the extension gantry of this embodiment includes an intermediate beam 12 having a plurality of bolt holes and an intermediate installation portion serving as a seat of the frame 7 having a depth of less than 900 mm. In this method, an L-shaped steel material is also welded to both ends of the L-shaped steel material to form a box-shaped cross-section at both ends, and bolt holes (not shown) are provided at both ends. The bolt holes are used, and the bolts and nuts (not shown) are used by selectively using a plurality of bolt holes provided in the two girders 5 of the gantry body 11 in the longitudinal direction thereof. As a result, the intermediate beam 12 is fixed on the girders 5 so that the fixing position can be changed in the length direction as shown by the arrow in FIG. Located in.

According to the extension gantry of this embodiment, the mounting portions 2 at one end and the other end of the gantry main body 11 so as to have an extended length, and the fixed positions between the mounting portions 2 are provided. As shown in FIG. 2, the frame 7 having a depth of 700 to 900 mm, which is larger than a normal frame of 600 mm, is installed by appropriately using the intermediate installation portion of the intermediate beam 12 positioned so as to be changeable. be able to. In FIG. 2, the left side of each frame 7 is the front side of the device.

Moreover, according to the extension base of this embodiment, it is only necessary to fix the four bases 3 of the four legs 1 at the four corners to the concrete floor C with anchor bolts. Since the gantry body 11 has a stable four-legged shape, there is no need to load and transport the gantry body 11, and the gantry body 11 has only four legs 1. The wiring work for passing the cables through the space below the floor panel P can be easily performed without being hindered by the legs 1.

Further, according to the extension frame of this embodiment, the intermediate beam 12 is provided horizontally on the frame main body 11 between the one end side and the other end side of the mounting portion 2, and the one end side mounting portion 2 Since it is fixed on the spar 5 connecting the other end side installation part 2, even if the fixed position of the intermediate beam 12 is moved, its height does not change. Since there is no need to adjust the height of the installation section 2 and the intermediate installation section of the intermediate beam 12, the time for the installation work can be reduced.

FIG. 3 is a perspective view showing an example of use of the extension gantry of the above embodiment. In this example, two gantry bodies 11 of the extension gantry of the above embodiment are juxtaposed, and these two gantry are The mounting portions 2 on one end side (right front side in FIG. 3) and the mounting portions 2 on the other end side (back left side in FIG. 3) of the main body 11 are each formed into an L-shaped cross section similarly to the intermediate beam 12. A steel beam having an L-shaped cross section is further attached to both ends of the steel material to form a box-shaped cross section at both ends, and a connecting beam 13 formed by providing bolt holes (not shown) at both ends thereof; The bracket 10 is integrally connected via a bolt and a nut (not shown), and is aligned with the intermediate beam 12 on the gantry body 11 so that the intermediate connecting beam 14 has the same configuration as the connecting beam 13. Is disposed between the two gantry bodies 11, and the intermediate connecting beam 14 Is fixed integrally to the girders 5 of the two gantry bodies 11 via a bracket 15 wider than the bracket 10 and bolts and nuts (not shown).

According to this usage example, a frame having a depth of 700 to 900 mm, which is larger than that of the normal frame, and having a width larger than that of the normal frame can be installed.

Although the present invention has been described above with reference to the illustrated examples, the present invention is not limited to the above-described examples. For example, the constituent materials and structures of the gantry body 11 and the intermediate beams 12 are appropriately changed as necessary. can do.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of an expansion stand of the present invention.

FIG. 2 is a side view showing an installation state of a gantry when the extension gantry of the embodiment is used.

FIG. 3 is a perspective view showing an example of use of the extension gantry of the embodiment.

FIG. 4 is a perspective view showing a conventional H-shaped gantry.

FIG. 5 is a side view showing an installation state of a frame when the conventional H-type frame is used.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Leg 2 Installation part 3 Base 4 Mounting part 5 girder 6 H-type mounting 7 Frame 8 Extension installation part 9 Additional mounting 10 Bracket 11 Mounting body 12 Intermediate beam 13 Connecting beam 14 Intermediate connecting beam 15 Bracket C Concrete floor P Floor panel

Claims (2)

[Utility model registration claims] 1. A gantry on which a gantry is installed, the gantry body having one end-side installation part and an other-end installation part so as to have an extended length, and having legs at four corners, And an intermediate beam fixed between the one end-side installation portion and the other end-side installation portion and having an intermediate installation portion so that the fixing position can be changed. 2. The intermediate beam is provided horizontally on the gantry body between the one end side installation part and the other end side installation part, and the one end side installation part and the other end side installation part are provided. The extension gantry according to claim 1, wherein the gantry is fixed on a girder that is integrally connected.