JPH09106921A - Noiseproof transformer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the fitting constitution of a noiseproof panel of the noiseproof wall of a noiseproof transformer in a simple structure and few fitting steps. SOLUTION: Vertical reinforcement member are composed of a T type steel arranged and welded on the tank 2 external wall of a transformer and then a vibrationproof rubber is arranged between vibrationproof rails 3 having noiseproof panel inserting trench 4 and vibration rail seats 10 to be fixed by bonding step or integral molding step so that the vibrationproof rail seats 10 may be fixed to the vertical reinforcement members 1 by fixing bolts 12 while the inserting parts 7 of noiseproof panel may be inserted into the noiseproof panel inserting trench 4 for lamination. Finally, the joint of noiseproof panels 5 and a noiseproof panel inserting trench 4 as well as the bent part 6 of the noiseproof panel 5 is caulked 9 by waterproofing for the purpose of preventing rain water permeation and the noiseproofing so as to compose a noiseproof wall 8.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a soundproof transformer, and more particularly to the structure of a soundproof wall.

[0002]

2. Description of the Related Art As a soundproof transformer, a vibration-damping steel plate in which two steel plates are sandwich-bonded with a viscoelastic polymer resin is attached to a reinforcing member of a transformer tank to cover the entire transformer.
There is a soundproof structure that attenuates the noise generated by the transformer.
This is because a damping steel plate is attached to the reinforcing member welded to the outer wall of the side plate of the transformer tank, and the vibration from the transformer is cut by this damping steel plate. It will be very different.

FIG. 10 is a conceptual view of the structure of a soundproof wall of a conventional soundproof transformer. (A) is a front view of essential parts, (b) is a cross-sectional plan view thereof, and FIG. 11 is a soundproof wall of a conventional transformer. FIG. 12 is an enlarged cross-sectional view of an essential portion showing the details of the soundproof panel mounting portion, and FIG. 12 is a sectional view of the essential portion showing the structure of the vibration damping steel plate. In FIGS. 10, 11 and 12, 22 is a side wall of the transformer tank 2. A vertical and horizontal reinforcing member made of T-shaped steel, the vertical end of which is welded to the side wall of the tank 2, and the horizontal head portion has a predetermined distance from the side wall of the tank. Forming a part.

Reference numeral 24 is a soundproof plate, which has a quadrangular shape, and its peripheral edge is attached to a quadrangular projection formed by vertical and horizontal reinforcing members. This attachment is as shown in FIG.
The cushion rubber 23 is sandwiched between the stud bolts 25 and the stud bolts 25 welded to the reinforcing member 22. As shown in FIG. 12, the soundproof plate 24 is formed by adhering two steel plates 20 with an adhesive 21 such as a viscoelastic polymer resin sandwiched between them and adhering to the position of the stat bolt 25. Bolt insertion holes are provided.

[0005]

The soundproof construction of the soundproof transformer described in the prior art has the following problems.

(1) The structure for cutting off the vibration transmission from the transformer is complicated.

(2) A large number of bolts are attached, which requires a lot of man-hours.

(3) The soundproof structure is complicated, and caulking for waterproofing is difficult.

The present invention has been made in view of the above problems of the prior art, and an object of the present invention is to provide a soundproof transformer having a simple structure and a small number of mounting steps.

[0010]

In order to achieve the above-mentioned object, a soundproof wall of a transformer according to the present invention has a vibration-proof rail having a soundproof panel insertion groove attached to a vertical reinforcing member, and the soundproof panel insertion groove is provided in the soundproof wall. A soundproof panel made of vibration-damping steel plates is inserted and stacked, and waterproof caulking is performed between the seam of the soundproof panel and the mounting groove and between the soundproof panel to fix the soundproof panel.

The vibration-proof rail mounting means is mounted by bonding or integrally molding a vibration-proof rail having a sound-proof panel insertion groove and a vibration-proof rail seat, and mounting the vibration-proof rail seat. The structure is attached to the vertical reinforcing member. Further, a vibration damping rail having a soundproof panel insertion groove is attached to the vertical reinforcing member via a vibration damping rubber. Further, a soundproof rail having a soundproof panel insertion groove is attached to the column, and the upper end of the column is attached to the upper portion of the vertical reinforcing member via a vibration-proof rubber, and the lower end of the column is the base of the lower portion of the transformer tank. The structure is such that the columns are attached and the columns are fixed.

As described above, the boltless structure reduces the number of assembling / processing steps, and the soundproof panel is unified so that the cost can be reduced, and the seam of the soundproof panel and the mounting structure to the vibration-proof rail are simple. Waterproof caulking becomes easier,
The soundproof wall can be constructed in a size that fits the shape by combining a single soundproof panel, and the soundproof panel is small and lightweight for easy handling.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a conceptual view of a soundproofing transformer according to a first embodiment of the present invention in a mounted state of a soundproofing panel, showing a plan view crossing a main part. In FIG. 1, reference numeral 1 denotes a vertical reinforcing member made of a T-shaped steel material similar to that of the conventional one, and the vertical end portions are provided on the outer periphery of the side surface of the tank 2 of the transformer with a space necessary for giving the required strength of the tank 2. It is welded and reinforces the strength of the side plate of the tank 2. Reference numeral 3 is a long vibration-proof rail, and soundproof panel insertion grooves 4 are provided at both ends thereof. The vibration-proof rail 3 is attached to the vertical reinforcing member 1,
The soundproof wall 8 is formed by sequentially inserting the soundproof panels 5 made of damping steel plates into the soundproof panel insertion grooves 4 of the two left and right antivibration rails 3 and stacking them.

Between the joint between the soundproof panel 5 and the soundproof panel insertion groove 4 and between the bent portions of the soundproof panel 5, waterproof caulking or the like is performed for the purpose of preventing intrusion of rainwater and soundproofing. This waterproof caulking will be described later in detail with reference to FIGS. 2 and 3. Since the soundproof panel is inserted in this way, the number of assembly and processing steps is reduced, and the structure of the soundproof panel joints and the structure of attaching the soundproof panel to the vibration-proof rail are simple, making waterproof caulking easy. The soundproofing and waterproofing effect is enhanced.

2A and 2B are explanatory views for mounting a soundproof panel in the second embodiment of the soundproof transformer of the present invention. FIG. 2A is a front view, FIG. 2B is a transverse plan view, and FIG.
In the enlarged view of the main part of (b), installation of the soundproof panel is shown in FIG.
As shown in FIG. 3 and FIG.
The vibration-proof rail seat 10 is attached to the horizontal portion of the head of the vertical reinforcing member 1 in which the U-shaped steel materials are arranged in the vertical direction and welded, and the vibration-proof rubber seat 11 is attached to the vibration-proof rail seat 10 via the vibration-proof rubber 11. An anti-vibration rail 3 having a soundproof panel insertion groove 4 is attached.
Then, the insertion portions 7, 7 on the left and right ends of the soundproof panel 5 are fitted into the soundproof panel insertion groove 4, and are slid and inserted from above as shown in FIG. 2A to be stacked.

Then, waterproof caulking 9 is provided at the joint between the soundproof panel 5 and the soundproof panel insertion groove 4 and at the joint (bent 6) between the soundproof panels 5 for the purpose of preventing rainwater from entering and soundproofing. Construct the wall 8.

The anti-vibration rail seat 10, anti-vibration rubber 11 and anti-vibration rail 3 1 or 2 may be separately configured and integrally formed with an adhesive or the like, or may be molded or the like. May be integrally configured.

Further, the soundproof panel 5 is formed of the vibration damping steel plate 19 shown in FIG. 12, and one example of the shape thereof is one in which both ends of two sides are bent to provide the bent portions 6 as shown in FIG. Then, the straight insertion parts 7 at both ends of the other two sides of the soundproof panel 5 which are not bent are fitted into the soundproof panel insertion groove 4 of the vibration-proof rail 3 and stacked to form a soundproof wall 8.

Further, the vibration-proof rubber 11 has various shapes as shown in FIG. That is, (A) is an example of an anti-vibration rubber having a cross-sectional shape of I-shape, (B) is an X-shape of cross-sectional shape, and (C) is an example of a π-shape, and any of them may be used.

FIG. 4 is a conceptual view of a third embodiment of the soundproofing transformer of the present invention, showing a side view of essential parts. 2 to 3, the vibration-proof rail 3 is attached to the vertical reinforcing member 1 via the vibration-proof rubber 11, but in FIG. 4, the vertical or horizontal reinforcing member 13 is provided with a plurality of arms 14. Provided, this arm 14
The anti-vibration rail 13 is attached directly to or through the anti-vibration rubber, and the anti-noise panel 5 is inserted into the anti-noise panel insertion groove 4 of the anti-vibration rail 3.
To form a soundproof wall 8 and, as in the case of FIG. 2, waterproof caulking between the seam of the soundproof panel 5 and the soundproof panel insertion groove 4 and the bent portion 6 of the soundproof panel 5. 9 is applied to provide a soundproof and waterproof structure. Reference numeral 15 is the base of the transformer.

FIG. 5 is a conceptual view of the side surface of the essential parts of a fourth embodiment of the soundproof transformer of the present invention. In the present embodiment, as shown in FIG. 5, the support 17 is attached to the base 15 of the tank 2 of the transformer and the support member 16 attached to the reinforcing member 13 welded to the side surface of the tank 2, and the support 17 is attached. The vibration-proof rail 3 is attached directly to or through the vibration-proof rubber, and the sound-proof panel 5 is fitted into the sound-proof panel insertion groove 4 of the vibration-proof rail 3 and stacked to form a sound-proof wall. Then, as in the case of FIG. 2, a waterproof caulking 9 is provided between the joint between the soundproof panel 5 and the soundproof panel insertion groove 4 and the bent portion 6 of the soundproof panel 5 to provide a soundproof and waterproof structure. Is.

In a soundproof transformer, the transformer tank 2
The accessories, piping, electrical wiring, etc. may be pulled out from the soundproof panel to the outside. In such a case, in the present invention, as shown in FIGS. 8 and 9, the soundproof panel is pulled out from the joint portion of the soundproof panel without penetrating the soundproof panel.

That is, FIG. 8 is a cross-sectional view of the lead-out portion, FIG. 9 is a front view, and pipes or electric wires 18 drawn out from the tank 2 of the transformer are as shown in FIG. 8 and FIG. The soundproof panel 5 is not penetrated because the structure is pulled out from the joint part. By adopting such a structure,
Noise will not leak from the drawer, improving the soundproofing effect.

[0025]

As described above, the present invention is constructed such that the soundproof panel is not mounted by the bolts or the like as described above, but the soundproof panel is inserted into the anti-vibration rail and stacked, and therefore, the following effects are obtained. .

Since the soundproof panel is constructed so as to be fitted into the antivibration rail, the number of assembling / processing steps is reduced.

Since the soundproof panel is unified, the soundproof panel can be shared and the cost can be reduced.

Since the structure of the joints of the soundproof panel and the structure of attaching the soundproof panel to the vibration-proof rail are simple, waterproof caulking can be easily performed, and the soundproofing and waterproofing effect is great.

It is possible to construct a soundproof wall in a size that fits the shape by combining the unified panels.

The soundproof panel is small and lightweight and easy to handle.

[Brief description of the drawings]

FIG. 1 is a conceptual diagram in a mounted state of a soundproof panel according to a first embodiment of the present invention.

FIG. 2 is an explanatory diagram of mounting a soundproof panel according to the second embodiment of the present invention.

FIG. 3 is an enlarged view of a main part of FIG. 2;

FIG. 4 is a conceptual diagram of a side surface of a main part according to a third embodiment of the present invention.

FIG. 5 is a conceptual diagram of a side surface of a main part according to a fourth embodiment of the present invention.

FIG. 6 is an explanatory view of the shape of the soundproof panel used in the present invention.

FIG. 7 is a cross-sectional view of the shape of a vibration-proof rubber for mounting a soundproof panel used in the present invention.

FIG. 8 is an explanatory view of a drawer portion for pulling out accessories, piping, electric piping and the like according to the present invention from a soundproof panel.

FIG. 9 is an explanatory view of a drawer portion for pulling out accessories, piping, electric piping, etc. according to the present invention from the soundproof panel.

FIG. 10 is a conceptual diagram of a configuration of a soundproof wall of a conventional soundproof transformer.

11 is an enlarged view of a main part of FIG.

FIG. 12 is a cross-sectional view showing the structure of a vibration damping steel plate.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Vertical reinforcing member 2 ... Tank 3 ... Vibration-proof rail 4 ... Sound-proof panel insertion groove 5 ... Sound-proof panel 6 ... Bending part 7 ... Insert part 8 ... Sound-proof wall 9 ... Waterproof caulking 10 ... Vibration-proof rail seat 11 ... Vibration-proof rubber 12 ... Mounting bolt 13 ... Reinforcing member 14 ... Arm 15 ... Base 16 ... Supporting member 17 ... Strut 18 ... Piping or electric wiring

Claims (3)

[Claims] 1. A transformer contents body is housed inside a tank together with a cooling insulating medium, and a vertical reinforcing member is welded to an outer wall of a side plate of the tank at a required interval. A soundproof panel is attached to the vertical reinforcing member. In a soundproof transformer with a soundproof wall attached by mounting a vibration-proof rail having a soundproof panel insertion groove in the vertical direction on the vertical reinforcing member, and inserting the side end of the soundproof panel into the soundproof panel insertion groove and stacking. A soundproof transformer comprising a soundproof wall, wherein a waterproof caulking is applied to a joint between the panel insertion groove and the soundproof panel and a joint between the soundproof panels. 2. A means for attaching an anti-vibration rail to the vertical reinforcing member comprises attaching an anti-vibration rail seat to the vertical reinforcing member, and attaching the anti-vibration rail to the anti-vibration rail seat via an anti-vibration rubber. The soundproofing transformer according to claim 1. 3. A means for attaching an anti-vibration rail to a vertical reinforcing member is characterized in that a vertically long strut is attached to the vertical reinforcing member, and the anti-vibration rail is attached to the strut directly or via an anti-vibration rubber. Item 1. The soundproof transformer according to item 1.