JPH0797932A - Sound-proofing type generator - Google Patents

Abstract

PURPOSE:To improve productivity by remarkably improving efficiency of the assembling work of a case main body. CONSTITUTION:A sound-proofing type generator is provided with a supporting stand 1 on which a heavy electric machine such as a generator is placed and a case main body 2 provided on the supporting stand 1 so as to house the heavy electric machine such as the generator, and this case main body 2 is consituted by combination of a plurality of sheet metal members provided with a front panel 3 on which input/output terminals to the outside and the bolt tightening structure. One or two or more locking protruded flaps 10 for locking the sheet metal members are provided between a plurality of sheet metal members for constituting the case main body 2 and on the contact part of the case main body 2 with the supporting stand 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a soundproof type generator,
In particular, the present invention relates to a soundproof type generator including a support base on which a heavy electric machine such as a generator is placed and a case body mounted on the support base in a form of housing the heavy electric machine such as the generator.

[0002]

2. Description of the Related Art The case body 50 of a soundproof type generator is
As shown in FIG. 7, a front panel 52 and a rear panel 53 with respect to the support base 51, and left and right side wall panels 54 and 55 that connect the respective panels 52 and 53 (reference numeral 54 denotes the case body 5).
(Opposite side of 0) and the top plate 5 that is engaged with the upper edge of each of these panels 52 to 55 and constitutes the ceiling of the support base 51 described above.
6 and 6. The panels 52 to 55 and the support base 51 are connected to each other by a bolting structure.

The case body 50 is used to prevent the operating noise of heavy electric machines such as a generator mounted on the support base 51 from being radiated to the outside, and has been generally used conventionally.

[0004]

However, in the above-mentioned conventional example, each panel 5 constituting the case main body 50 is formed.
2 to 55, and the case body 50 and the support base 51.
Since they are connected to each other by a bolting structure, there is a disadvantage that much labor is required during assembly and productivity is poor. Further, the same applies to maintenance of heavy electric machines such as generators housed inside, and there is a disadvantage that it takes a lot of time to remove and assemble some of them.

To explain this concretely, in the bolt fastening structure, a process of welding the nuts to predetermined positions of each panel in advance is incorporated, but since there are usually many bolt fastening points, the nuts The welding process requires a lot of time and effort. Further, when assembling, it takes a lot of time to align the bolt holes, and at the same time, it is necessary to support each of the panels until the bolting work is completed, which also causes a problem of poor work efficiency.

[0006]

It is an object of the present invention to provide a soundproof type generator which improves the inconvenience of the conventional example, in particular, remarkably improves the efficiency of the assembling work of the case body, and thereby improves the productivity. The purpose is to do.

[0007]

According to the present invention, there is provided a support base on which a heavy electric machine such as a generator is mounted, and a case body mounted on the support base so as to accommodate the heavy electric machine such as the generator. In this soundproof type generator, the case body is composed of a combination of a plurality of sheet metal members having a front panel equipped with input / output terminals for the outside and a bolting structure, and A configuration is adopted in which one or more locking protrusions for locking the sheet metal members to be mutually abutted are provided between the respective sheet metal members and at the contact points between the case body and the support base. There is. This aims to achieve the above-mentioned object.

[0008]

[Operation] First, the left and right side wall panels 5 and 6 are sequentially incorporated into the rail portions 1B and 1C of the support 1. In this case, the left and right side wall panels 5 and 6 are uniquely set by the action of the locking projection piece 10 without any particular alignment.

Next, the front panel 3 and the rear panel 4 are sequentially mounted on the assembly of the left and right side wall panels 5, 6 and the support 1. When the front panel 3 and the rear panel 4 are mounted, the alignment is uniquely performed with respect to each other, for example, at the lower end corners of the left and right side wall panels 5, 6. .

Finally, the top plate 7 is mounted. In this case, for example, as described above, the protruding piece 10 for locking the top plate 7 is used.
The upper corners of the left and right side wall panels 5 and 6 and the front panel 3
Then, the rear panel 4 is engaged with the inside of the square hole 11 formed at the upper corner portion.

As a result, the temporary assembly depending on the locking projection 10 is completed in a short time. This locking projection piece 10
When the temporary assembly depending on the above is completed, the positions of the through holes 21 for bolting and the corresponding nuts previously welded are automatically matched by the positioning action of the locking projection piece 10 described above. It is in a state.

Therefore, in the final bolting step, no additional step of aligning each panel or fixing and supporting the panels is required, and only bolting work is required, so that the work efficiency can be greatly improved. Therefore, it is possible to significantly improve the productivity,
At the same time, there is an advantage that the quality of products can be maintained the same.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.

In the embodiment shown in FIGS. 1 to 6, a support base 1 for mounting a heavy electric machine such as a generator, and a case mounted on the support base 1 so as to accommodate the heavy electric machine such as a generator And a main body 2. The case body 2 is composed of a combination of a plurality of sheet metal members having a front panel 3 equipped with input / output terminals for the outside and a bolting structure. In addition, as the support base 1, in the present embodiment, a trolley structure is used in consideration of versatility.

FIG. 2 shows a specific example of this support base 1. The support base 1 shown in FIG. 2 is provided with a rising portion 2A around the upper surface thereof for engaging the case body 2 described above.

At the abutting positions of the plurality of sheet metal members constituting the case body 2, one or two or more locking protrusions 10 for locking the sheet metal members to be abutted with each other are provided. As shown in FIG. 3, the locking projection piece 10 is formed by machining a sheet metal member with a notch on three sides of the corresponding portion and pushed out. This locking protrusion 10 is shown in FIG.
In, the opening is set at a protruding angle of 15 °, but this protruding angle may be any number.

The rising portion 2A of the support base 1 provided for engaging the case main body 2 is also provided with the locking projection 10 at the center thereof as shown in FIG.

As shown in FIG. 1, the case body 2 includes a front panel 3 and a rear panel 4 with respect to the support 1, and left and right side wall panels 5 and 6 connecting the front panel 3 and the rear panel 4.
And a top plate 7 that is engaged with the upper edge of each of the panels 3 to 6 and that constitutes the ceiling of the support base 1 and is bent in a U shape.
It is composed of and.

Among these, the rail portions 1B and 1C for the left and right side wall panels corresponding to the left and right side wall panels 5 and 6, respectively.
Are provided on both the left and right sides of the support base 1 as shown in FIG. Reference numeral 20 indicates a welding position of the nut. In addition, the rail portion 1 described above corresponds to the nut welding position 20.
Through holes 21 for bolts are formed on the outer wall surfaces of B and 1C.

The locking projection 10 has its opening set toward the slide assembly direction of each sheet metal member described above.

This will be described in more detail. In FIG. 1, the left and right side wall panels 5 and 6 mounted on the support base 1 are provided with a projecting piece 10 for locking at the center of the lower end portion thereof. Protrusions 1 for locking provided on the rail portions 1B and 1C
It is in a fixed state by engaging with 0. FIG. 5 shows the engaged state of the locking projection pieces 10. The engagement state shown in FIG. 5 is uniquely set when the side wall panel 5 is incorporated in the rail portion 1B as shown in FIG. 4, and is shown as a cross-sectional view of the engagement state. Is.

In the left and right side wall panels 5 and 6 described above, the locking projections 10 are formed not only at the center of the lower end portion but also at both corner portions of the same lower end portion. The locking projections 10 formed at both corners of the lower end are for locking the front panel 3 and the rear panel 4 described above, and the opening thereof is directed upward for the reason of assembly. It is set.

Corresponding to the locking projections 10 at the lower end corners of the left and right side wall panels 5, 6, the stopper plate 4A having the locking projections 10 is provided at the corresponding positions of the rear panel 4 described above. Four
A is equipped. The above-mentioned front panel 3 is also equipped with a similar stop plate at a corresponding position.

Further, the above-mentioned top plate 7 is provided with the locking projecting piece 10 at the corner portion of the bent portion directed downward. Unlike the engagement of the locking projection pieces 10 described above, the locking projection piece 10 provided on the top plate 7 includes the left and right side wall panels 5, 6 and the front panel and the rear panel 3, 4. The square holes 11 formed at the corners are provided to stop at the same time. Reference numeral 21 indicates a through hole for bolting as described above. Further, reference numeral 7A indicates a cap equipment hole for a fuel tank, and reference numerals 5A and 6A indicate square holes for equipping an opening / closing door for maintenance.

As described above, the locking projections 10 are provided on each of the panels 3 to 6 and the support base 1 described above, and at the same time, in order to improve the efficiency of the assembly work (for the purpose of automatic assembly). ), As a whole, they are provided at symmetrical positions along the central axis connecting the front panel 3 and the rear panel 4.

Next, the assembly process and the like of the above embodiment will be described.

First, as shown in FIG. 4, the left and right side wall panels 5,
6 are sequentially incorporated into the rail portions 1B and 1C of the support 1.
In this case, the left and right side wall panels 5 and 6 are uniquely set to the state shown in FIG. 1 by the action of the locking projections 10 without any particular alignment.

Next, according to the procedure of FIG. 1, the front panel 3 and the rear panel 4 are sequentially mounted on the assembly of the left and right side wall panels 5, 6 and the support 1. In this case, the front panel 3 and the rear panel 4 are assembled along the respective arrows. As a result, in this embodiment, the front panel 3 and the rear panel 4 are mounted so as to hold the left and right end portions of the assembly of the left and right side wall panels 5 and 6 and the support 1.
When the front panel 3 and the rear panel 4 are attached, the corners of the lower end portions of the left and right side wall panels 5 and 6 are uniquely aligned with each other.

Finally, the top plate 7 is mounted according to the procedure. Either procedure may proceed first. In this case, as described above, the locking projections 10 of the top plate 7 are provided in the square holes 11 formed at the upper end corners of the left and right side wall panels 5, 6 and the upper end corners of the front panel 3 and the rear panel 4. Engage in.

As a result, the temporary assembly depending on the locking projection 10 is completed in a short time. Then, when the temporary assembly depending on the locking projection piece 10 is completed, the through hole 21 for bolting and the position of the nut previously welded corresponding to the through hole 21 correspond to the locking projection piece 10 described above. Due to the positioning action, they are automatically aligned.

Therefore, in the final bolting step, no additional step of aligning each panel or fixing and supporting the panels is required, and only bolting work is required, so that the work efficiency can be greatly improved. Therefore, it is possible to significantly improve the productivity,
At the same time, there is an advantage that the quality of products can be maintained the same. FIG. 6 shows a state in which the bolting step, which is the final assembly step, has been completed. As compared with the conventional example shown in FIG. 7, it can be seen that the number of bolted portions 21A is significantly reduced.

[0032]

Since the present invention is constructed and functions as described above, according to this, the case main body and the temporary assembly of the case main body and the support base can be performed without the locking projection functioning and bolting. In addition, the temporary assembly can be performed in a short time, and in the final bolting process, operations such as alignment between the panels or fixing and supporting the panels are completely unnecessary. Since only the stopping work is required, the work efficiency can be greatly improved, and therefore the productivity can be remarkably improved, and at the same time, the quality of the products can be maintained the same. An excellent soundproof type generator can be provided.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a position embodiment of the present invention.

FIG. 2 is a partially omitted perspective view showing a support base portion disclosed in FIG.

FIG. 3 is an explanatory view showing an example of a locking projection piece disclosed in FIG.

FIG. 4 is an explanatory view showing a state when the left side wall panel is incorporated in the support base portion disclosed in FIG.

FIG. 5 is an explanatory view showing the operation of the locking projection piece disclosed in FIG. 1;

6 is a front view showing a completed state of assembly in FIG. 1. FIG.

FIG. 7 is a front view showing a conventional example.

[Explanation of symbols]

 1 support base 1B, 1C rail part 2 case body 3 front panel 4 rear panel 5 left side wall panel 6 right side wall panel 7 top plate 10 locking projection 21 21 bolt through hole 21A bolting position

Claims (4)

[Claims] 1. A support base on which a heavy electric machine such as a generator is mounted,
A case main body mounted on the support table in a form of accommodating a heavy electric machine such as the generator, and the case main body includes a plurality of sheet metal members having a front panel equipped with input / output terminals for the outside. In a soundproof type generator constituted by a combination and a bolting structure, a plurality of sheet metal members constituting the case main body are mutually abutted, and at a contact point of the case main body and the support base, mutually abutting mates. A soundproof power generator comprising one or more locking protrusions for locking a sheet metal member. 2. A front panel and a rear panel for the support base, left and right side wall panels connecting the panels, and a ceiling of the support base engaged with upper end edges of the respective panels. The soundproofing according to claim 1, wherein the support base is provided with rail portions for the left and right side wall panels corresponding to the left and right side wall panels. Type generator. 3. The soundproof power generator according to claim 1 or 2, wherein an opening of the locking protrusion is set in the slide assembly direction of each of the sheet metal members. 4. The soundproofing according to claim 1, wherein the locking projections are provided at symmetrical positions along a central axis connecting the front panel and the rear panel. Type generator.