JP3022397B2 - Resin mold transformer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power transformer whose winding is molded with resin, and more particularly to an improvement thereof.

[0002]

2. Description of the Related Art FIG. 20 is a front view showing a first configuration example of a conventional resin mold transformer. That is, the winding 2 is wound around the iron core 1, and the winding 2 is sandwiched between the upper frame 3 and the lower frame 4. A bed frame 23 is provided below the lower frame 4, and is further mounted on the installation base 15 via wheels 8. 21 is an enlarged view of a portion F in FIG. 20, and FIG. 22 is a view as viewed in the direction of arrow G in FIG. As shown in FIG. 21, the bed frame 23 is composed of an upper bed frame 5 and a lower bed frame 6 that sandwich the anti-vibration rubber 9 from above and below, and the upper bed frame 5 is attached to the side of the lower frame 4. . Wheels 8 are attached to the lower bed frame 6 via wheel frames 7. Further, the lower bed frame 6 is connected to another
One bed frame 23 (see FIG. 20).

In FIG. 22, an L-shaped stopper 21 is welded to the lower bed frame 6. Stopper 21
Is opposed to the lower frame 4 via a gap d. The anti-vibration rubber 9 is for preventing vibration generated from the iron core or the like from being transmitted to other places.
Numeral 1 is for preventing the resin mold transformer from shaking greatly due to an earthquake or the like.

FIG. 23 shows a second conventional resin molded transformer.
FIG. 24 is an enlarged front view of a portion D in FIG. 23. FIG. 23 is similar to FIG. 20 except that the appearance is slightly different. As shown in FIG. 24, the bed frame 23 is composed of an upper bed frame 5 and a lower bed frame 6 that sandwich the vibration isolating rubber 9 from above and below, and the upper bed frame 5 is attached to the side of the lower frame 4. . Further, wheels 8 are mounted on the wheel frame 7. A hexagonal bolt 10 passes through the wheel frame 7, the lower bed frame 6, the vibration isolating rubber 9, and the upper bed frame 5 in this order from below, and is tightened with a nut 12 via a rubber bush 13. Further, a rotation stopper 30 is attached to the side of the wheel frame 7 and is welded to the lower surface of the lower bed frame 6.

[0005] The direction of movement of the wheels 8 shown in Fig. 24 is the left-right direction in the figure, and the resin mold transformer can be moved to the left or right installation position. Rotation stop 30
Stops rotation of the wheel frame 7 in the horizontal direction about the hexagon bolt 10. FIG. 25 shows FIG.
It shows the case where it is rotated by degrees. Again, a detent 30 is attached to the side of the wheel frame 7 and welded to the lower surface of the lower bed frame 6 (this welding position is usually different from that in FIG. 24). In this case, the moving direction of the wheel 8 is a direction perpendicular to the plane of the drawing, and can be moved in the front direction or the depth direction of the drawing, and the resin mold transformer is moved to the installation position on the front side or the depth side. Can be.

FIG. 26 shows a third example of a conventional resin mold transformer.
FIG. 27 is an enlarged front view of a portion C in FIG. 26. FIG. 28 is a view taken in the direction of the arrow J in FIG. In FIG. 26, a winding 2 is wound around an iron core 1, and the winding 2 is sandwiched between an upper frame 3 and a lower frame 4. Lower frame 4
20 and 23, a bed frame 23 is provided at the lower part of the vehicle, and the bed frame 23 is mounted on the installation base 15 via the wheels 8.

As shown in FIG. 27, the bed frame 23 is composed of an upper bed frame 5 and a lower bed frame 6 which sandwich the vibration isolating rubber 9 from above and below, and the upper bed frame 5 is attached to the side of the lower frame 4. Have been. Further, wheels 8 are mounted on the wheel frame 7. Further, an L-shaped installation seat 19 is welded to the lower bed frame 6. The installation seat 19 is fixed to the installation base 15 via a lower installation hole 19C.

In FIG. 28, the resin mold transformer is moved on the installation base 15 via the wheels 8 and the installation seat 19 is bolted to the installation base 15 at the installation position. At this time, a small gap d3 is previously provided between the installation seat 19 and the installation base 15, so that the resin mold transformer can be moved. When fixing the installation seat 19 to the installation base 15, a plate-shaped liner (not shown) for adjusting the gap is interposed in the gap d3.

FIG. 29 shows a fourth example of a conventional resin mold transformer.
It is a front view showing the example of composition of. Here, the winding 2 is wound around the iron core 1, and the upper frame 3 and the lower frame 4
And the winding 2 are sandwiched. A bed frame 23 is provided below the lower frame 4, and the resin mold transformer is mounted on an installation base (not shown) via the bed frame 23.

FIG. 30 is an enlarged front view of a portion A in FIG. 29, and FIG.
31 is a perspective view of FIG. The bed frame 23 is shown in FIG.
The upper bed frame 5 and the lower bed frame 6 are provided vertically above and below via a vibration isolating rubber 9, and the upper bed frame 5 receives the lower frame 4 via the backing plate 22.

As shown in FIG. 31, the upper bed frame 5 is made of a channel steel having an opening directed downward, and a flat plate portion 5A is welded to an end. At the center of the lower bed frame 6, a vertical stud 40 penetrating the flat plate portion 5A is erected, and the vertical stud 40 further projects upward through the cutout portion 5B of the upper bed frame 5.
A rubber bush 13 and two nuts 12 are fitted from the upper end of the vertical stud 40, and the vibration-proof rubber 9 is fastened with the nut 12. In addition, in lower bed frame 6,
An installation hole 6A for fixing to an installation base (not shown) is provided.

FIG. 32 is a sectional view taken along the line YY of FIG. A first stopper 50 is fixed to the lower bed frame 6, and the first stopper 50 and the flat plate portion 5A of the upper bed frame 5 are fixed.
And a predetermined gap d4 is secured between them. In addition, the lower bed frame 6 has a column portion 41B of the stud 41 standing upright from the lower bed frame 6. On the upper part of the stud 41, a screw portion 41A having a smaller diameter than the column portion 41B is formed. The second stopper 60, the spring washer 24A, and the nut 24 are fitted into the screw portion 41A, and the second stopper 60 is fastened by the nut 24. However, a predetermined gap d5 is secured between the lower surface of the second stopper 60 and the upper surface of the flat plate portion 5A. The first stopper 50 and the second stopper 60 are for preventing the resin mold transformer from shaking largely due to an earthquake or the like. By selecting the gaps d4 and d5 to a predetermined value, the vertical movement of the flat plate portion 5A can be restricted.
At this time, the first stopper 50 may be fixed to the lower surface side of the flat plate portion 5A.

[0013]

However, FIG. 20 to FIG.
The configuration 2 has a problem that a special component (L-shaped fitting) is required as a stopper for the vibration-proof rubber portion. Further, in the configuration as shown in FIGS. 23 to 25, there is a problem that the bed frame must be changed in order to change the moving direction of the wheels by 90 degrees. 26 to 28, a liner is required. If the parallelism between the installation seat and the installation base is poor, it is difficult to completely fill the gap, and the liner is inserted into the gap while hitting from the side. For example, there is a problem that a great deal of time is required for the interposition work. In addition, the appearance is not good because the liner is installed to match the actual product at the installation site.

Further, in the configurations as shown in FIGS. 29 to 32, there is a problem that the components of the bed frame are different depending on the specification with or without the rubber cushion. In other words, the resin mold transformer may not have the anti-vibration rubber depending on the specification. In FIG. 31, when the anti-vibration rubber 9 is not provided,
The lower bed frame 6 is unnecessary, but conventionally, the flat plate portion 5 is used.
The right end of A was further extended horizontally, and an installation hole was made in the extended flat plate portion. Although a hole for passing the stud 40 is formed in the center of the flat plate portion 5A, the groove of the upper bed frame 5 obstructs the position of the stud 40, making installation work difficult. for that reason,
It was necessary to separately prepare the flat plate portion 5A in the case where the anti-vibration rubber 9 was not provided. Therefore, an object of the present invention is to solve the various problems as described above.

[0015]

In order to solve such a problem, according to the first aspect of the present invention, a winding molded with a resin, an iron core around which the winding is wound, and a vertical A frame and a bed frame provided below the lower frame are provided. The bed frame is composed of an upper bed frame and a lower bed frame that sandwich vibration isolating rubber from above and below, and a gap is provided between the upper and lower bed frames. In a resin mold transformer provided with a stopper via a tongue, a tongue formed of a tongue-shaped cut is formed in one of the upper bed frame and the lower bed frame, and this tongue is bent at a right angle to be a stopper Like that. According to the first aspect of the present invention, a fiber layer can be formed inside the anti-vibration rubber (the second aspect of the invention).

According to the third aspect of the present invention, a winding molded with resin, an iron core around which the winding is wound, upper and lower frames for sandwiching the windings, and an upper bed frame provided below the lower frame. It comprises a bed frame that sandwiches the vibration isolating rubber from above and below with the lower bed frame, a wheel frame bolted to the lower portion of the bed frame, wheels supported by the wheel frame, and rotation stoppers for the wheel frame. In the resin mold transformer, the lower bed frame is formed of a channel steel having an opening directed downward, and the wheel frame is housed in the groove, and the horizontal width of the wheel frame in both directions is formed to be substantially the same size. And the rotation stopper is composed of a fixing bolt, the shaft of which is horizontally penetrated through the lower bed frame and abuts against the side surface of the wheel frame. Unishi to have.

According to a fourth aspect of the present invention, there are provided a winding molded with a resin, an iron core around which the winding is wound, upper and lower frames for sandwiching the windings, and a bed frame provided below the lower frame. And a wheel and an installation seat provided between the bed frame and the installation base, and the installation seat has a vertical piece fixed to the bed frame side and a horizontal piece fixed to the installation base side. In the resin molded transformer formed in the shape of a letter,
A notch hole having an open top is provided on a vertical piece of the installation seat, and a fixing bolt is passed between the notch hole and an installation hole provided on the bed frame side, so that the installation seat is inserted into the bed frame. I try to be fixed.

According to the fifth aspect of the present invention, the winding molded with resin, the iron core around which the winding is wound, the upper and lower frames for sandwiching them, and the lower frame and the installation base are interposed between the lower frame and the installation base. An upper bed frame and a lower bed frame which are vertically arranged, and a vibration isolating rubber is interposed between the upper and lower bed frames and a predetermined A first stopper is provided through the gap, a stud is vertically set on the lower bed frame, and an installation hole is formed,
The stud extends to an upper portion of the upper bed frame, and a through hole is formed in the upper bed frame in a resin mold transformer having a second stopper fixed above the upper bed frame at a predetermined gap above the upper space. The stud is formed to extend through the through hole to the upper part of the upper bed frame, and the second stopper is formed to be larger than the diameter of the through hole. According to the fifth aspect of the invention, the second stopper is a nut provided with a friction spring that presses a screw thread from an axial direction, and the nut can be screwed into the stud (the invention of the sixth aspect).

[0019]

FIG. 1 is an external view showing a first embodiment of the present invention. The bed frame 23 is shown in FIG.
Is mounted on the side of the lower frame 4 in the conventional example shown in FIG. 2, but here, it is mounted on the lower side of the lower frame 4, and therefore the configuration is also different in appearance from that shown in FIG. It can be seen that the other
Is the same as that shown in FIG.

FIG. 2 is an enlarged view of a portion A in FIG. 1, and FIG. 3 is a sectional view taken along the line BB in FIG. As shown in FIGS. 2 and 3,
The bed frame 23 is composed of an upper bed frame 5 and a lower bed frame 6 that sandwich the anti-vibration rubber 9 from above and below, and the upper bed frame 5 is fixed to a lower portion of the lower frame 4. A wheel 8 is mounted via a wheel frame 7, and a hexagon bolt 10 penetrates from the bottom in the order of the wheel frame 7, the lower bed frame 6, the vibration isolating rubber 9, and the upper bed frame 5, and two nuts via a rubber bush 13. It is tightened at 12. The stopper 11 is formed by bending a part of the upper bed frame 5 as shown in FIG. A gap d1 is provided below the stopper 11.

FIG. 4 (a) is a plan view of the upper bed frame 5 of FIG. 3, and FIG. 4 (b) is a view taken in the direction of arrow C in FIG. 4 (a). It can be seen that the stoppers 11 are provided at two places on the upper bed frame 5. FIG. 5 (a) is a view of D in FIG. 4 (a).
FIG. 5B is a partial enlarged plan view, and FIG.
It is sectional drawing. The upper bed frame 5 is cut into a U-shape, and its tongue is bent at a right angle to
Are formed. Therefore, in manufacturing the stopper 11, it is only necessary to process the upper bed frame 5 without requiring special parts as in the related art. Therefore, parts for the stopper 11 can be saved. In FIG. 5, the tongue of the stopper 11 is formed by a U-shaped cut, but the cut shape may be a semicircle or a semi-ellipse, and can be generally formed arbitrarily. is there.

FIG. 6 shows a modification of the first embodiment of the present invention. That is, in FIGS. 1 to 5, the stopper 11 is formed on the upper bed frame 5, but the stopper 11 is formed by bending a part of the lower bed frame 6, and the other parts are the same as before. d2 is a gap secured above the stopper 11. It should be noted that, even if the stopper 11 is provided on the upper bed frame 5 side or the lower bed frame 6 side, there is no particular difference in the function and operation.

FIG. 7 shows a second embodiment of the present invention. This shows a modified example of the vibration-proof rubber 9, in which a fiber layer 9 </ b> B is formed inside the vibration-proof rubber 9 as shown, and rubber portions 9 </ b> A are formed on both sides of the fiber layer 9 </ b> B. . By providing this fiber layer 9B, the width of the vibration-isolating rubber 9 itself was limited in the width direction, and cracks did not easily occur in the vibration-isolating rubber 9 even when pressure was applied vertically. That is, the strength of the vibration isolating rubber 9 increases, and the life can be extended as compared with the case where the fiber layer 9B is not provided.

FIG. 8 shows a third embodiment of the present invention, FIG. 9 shows an enlarged front view of a portion A in FIG. 8, and FIG. 10 shows a view taken in the direction of arrow B in FIG. 9, respectively. FIG. 8 differs from FIG. 23 only in its appearance, and will be described mainly with reference to FIGS. The point that the bed frame 23 is composed of the upper bed frame 5 and the lower bed frame 6 that sandwich the vibration isolating rubber 9 from above and below is the same, but differs in that it is fixed to the lower part of the lower frame 4. The lower bed frame 6 is made of a channel steel with its opening directed downward, and is configured so that the wheel frame 7 fits inside the groove. A hexagonal bolt 10 penetrates from the bottom in the order of the wheel frame 7, the lower bed frame 6, the vibration isolating rubber 9, and the upper bed frame 5,
It is fastened with two nuts 12 via a rubber bush 13.

Here, the horizontal widths X and Y in both directions of the wheel frame 7 are formed to have the same dimensions. In addition, a rotation stopper 16 made of a fixing bolt penetrates the lower bed frame 6 horizontally, and a shaft portion thereof is in contact with a side surface of the wheel frame 7. In FIG. 9, the rotation stopper 16 can be fixed to the lower bed frame 6 by setting the through hole 7A of the lower bed frame 6 into which the tip of the rotation stopper 16 fits as a screw hole. The wheels 8 in FIGS. 8 and 9 can move in the left and right directions in the figure, and the rotation of the wheel frame 7 is stopped by the rotation stopper 16.

FIG. 11 shows a case where the direction of the wheel is different from that of FIG. 9 by 90 degrees, and FIG. 12 is a view taken in the direction of arrow C in FIG. Here, the wheel frame 7 is turned 90 degrees as compared with the case of FIG. 9 and is bolted to the lower bed frame 6. Further, the rotation stopper 16 penetrates the lower bed frame 6 horizontally, and its shaft portion is in contact with the side surface of the wheel frame 7. That is, the configuration in FIGS. 9 and 11 is exactly the same, except that the wheel frame 7 is rotated by 90 degrees. Then, even if the wheel frame 7 is rotated by 90 degrees, the rotation stopper 16 is fitted to the lower bed frame 6, so that the rotation of the wheel frame 7 can be suppressed, and there is no need to change the bed frame 23 at all. As a result, it is not only possible to change the moving direction of the resin mold transformer immediately at the installation site, but it is economical to respond without any problem even if a different specification of the moving direction of the resin mold transformer is required in advance. .

FIG. 13 shows a fourth embodiment of the present invention.
14 is an enlarged front view of the portion A in FIG. 13, and FIG.
An arrow view is shown. FIG. 13 differs from FIG. 26 only in its appearance, and will be described mainly with reference to FIGS. The bed frame 23 is composed of an upper bed frame 5 and a lower bed frame 6 that sandwich the vibration isolating rubber 9 from above and below, and the upper bed frame 5 is attached to a lower portion of the lower frame 4. Wheels 8 are attached to the lower bed frame 6 via wheel frames 7. Further, an L-shaped installation seat 19 is fixed to the lower bed frame 6 via a fixing bolt 18. Mounting seat 19 is shown in FIG.
As shown in FIG. 5, the vertical piece 19A and the horizontal piece 19B form an L shape. The vertical piece 19A is provided with a notch hole 19D having an open upper side. The mounting seat 19 is fixed to the lower bed frame 6. An installation hole 19C is formed in a horizontal piece 19B of the installation seat 19.

In FIG. 15, the installation seat 19 is separated from the installation base 15, and the resin mold transformer is moved to the installation position using the wheels 8. Therefore, the horizontal piece 19B of the installation seat 19 is attached to the installation base 1
Follow 5 Notch 19 of the vertical piece 19A
Since D has an open upper side, the fixing bolt 18 can be passed through the notch hole 19D and the mounting hole 63 of the lower bed frame 6 even if the installation base 15 and the lower bed frame 6 are not parallel. it can. Therefore, the installation seat 19 can be fixed to the installation base 15 without a liner.

FIG. 16 is a block diagram showing a fifth embodiment of the present invention. That is, a feature is that a second stopper 60 made of a spring-loaded nut is arranged on the upper bed frame 5, and the other points are the same as those in FIG. FIG.
FIG. 17 is a sectional view taken along line XX of FIG. 16. Here, the first stopper 50 is fixed to the lower bed frame 6, and a predetermined gap d4 is secured between the first stopper 50 and the flat plate portion 5A of the upper bed frame 5. In addition, a stud 41 made of a screw portion is set up on the lower bed frame 6 perpendicularly to the lower bed frame 6. The second stopper 60 is fitted into the stud 41, and the second stopper 60 is rotated with a spanner until the gap d5 on the upper surface of the flat plate portion 5A reaches a predetermined value.

FIG. 18A is a cross-sectional view showing the structure of the second stopper 60 (nut with spring), and FIG. 18B is a cross-sectional view for explaining the operation principle. FIG.
In (a), a plate-like friction spring 62 is attached to the opening end of the screw hole 61 of the second stopper 60. The friction spring 62 is a leaf spring whose left end is free and whose right end is fixed to the second stopper 60. FIG. 18B shows a screw hole 61 of the second stopper 60.
2 shows a state in which the stud 41 is inserted in the direction of the arrow R. The left end of the friction spring 62 is the stud 41
Thread 42. Therefore, the friction spring 62 presses the stud 41 with a strong force. Therefore, the second stopper 60 never loosens unless it is rotated by a spanner. Such a nut with a spring is generally commercially available, and is sold, for example, by Fuji Seimitsu Co., Ltd. under the trade name “U-nut”.

In FIG. 17, by stopping the second stopper 60 at a predetermined gap d5 as described above, a fixed position can be secured without moving up and down. As a result, the spring washer 24A and the nut 24 are not required as compared with the conventional one shown in FIG. 32, and the number of parts can be reduced. FIG. 19 is a front view of a main part showing a configuration of a resin mold transformer without an anti-vibration rubber. Here, the lower bed frame is removed together with the vibration-proof rubber, and the upper bed frame 5 is fixed to the lower frame 4 as it is. And the flat part 5A of the upper bed frame 5
By forming the hole 5C in the hole, the hole 5C can be used as it is for the installation hole. However, the upper bed frame 5 is fixed to the lower frame 4 by changing its direction by 180 degrees in order to make the position of the mounting hole coincide with the case where the anti-vibration rubber is provided. This makes it possible to share the components of the bed frame irrespective of the presence or absence of the rubber cushion.

[0032]

According to the first aspect of the invention, a tongue-shaped notch is formed in either the upper bed frame or the lower bed frame, and the tongue is bent at a right angle to serve as a stopper. There is no need to prepare special parts for the stopper, which makes it economical. Claim 2
According to the invention, in addition to the constitution of the first aspect, by forming a fiber layer inside the vibration isolating rubber, the strength can be increased and the life can be prolonged.

According to the third aspect of the present invention, the lower bed frame is formed of a channel steel having an opening directed downward, and the wheel frame is accommodated in the groove, and the horizontal width of the wheel frame in both directions is substantially the same. The rotation stopper is made of a fixing bolt, and the shaft part is horizontally penetrated into the lower bed frame and is brought into contact with the side surface of the wheel frame, so that the resin mold transformer can be moved immediately at the installation site. In addition to being able to change the direction, even if a specification with a different moving direction is required in advance, it can be dealt with as it is and it is economical.

According to the fourth aspect of the present invention, the vertical piece of the installation seat is provided with a notch hole whose upper side is opened, and the fixing bolt is installed through the notch hole and the mounting hole provided on the lower bed frame side. Since the seat is fixed to the lower bed frame, the mounting seat can be fixed to the installation base without a liner, so that the liner installation time can be saved and the appearance after installation can be improved.

According to the fifth aspect of the present invention, the through hole is formed in the upper bed frame, the stud extends through the through hole to the upper portion of the upper bed frame, and the second stopper is formed to be larger than the diameter of the through hole. Therefore, the components of the bed frame can be shared irrespective of the presence or absence of the vibration isolating rubber, which is economical. According to the sixth aspect of the present invention, in addition to the configuration of the fifth aspect, the second stopper is a nut having a friction spring that presses a screw thread in an axial direction on a shaft portion, and the nut is screwed into the stud. Therefore, the number of parts is reduced and the cost can be reduced.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram showing a first embodiment of the present invention.

FIG. 2 is an enlarged front view of a portion A in FIG. 1;

FIG. 3 is a sectional view taken along line BB of FIG. 2;

FIG. 4 is an explanatory diagram of a stopper.

FIG. 5 is an enlarged plan view of a portion D in FIG. 4 (a).

FIG. 6 is a cross-sectional view showing a modification of the first embodiment.

FIG. 7 is an explanatory diagram for explaining a second embodiment of the present invention.

FIG. 8 is an overall configuration diagram showing a third embodiment of the present invention.

9 is an enlarged front view of a portion A in FIG. 8;

FIG. 10 is a view taken in the direction of the arrow B in FIG. 9;

FIG. 11 is an explanatory diagram when FIG. 9 is rotated by 90 degrees.

FIG. 12 is a view as viewed in the direction of arrow C in FIG. 11;

FIG. 13 is an overall configuration diagram showing a fourth embodiment of the present invention.

14 is an enlarged front view of a portion A in FIG.

FIG. 15 is a view as viewed in the direction of arrow B in FIG. 14;

FIG. 16 is a configuration diagram showing a fifth embodiment of the present invention.

FIG. 17 is a sectional view taken along line XX of FIG. 16;

FIG. 18 is a diagram illustrating the configuration and operation principle of a second stopper.

FIG. 19 is an explanatory diagram for explaining a case without an anti-vibration rubber.

FIG. 20 is an overall configuration diagram showing a first conventional example of a resin mold transformer.

21 is an enlarged front view of a portion F in FIG. 20;

FIG. 22 is a view on arrow G of FIG. 21;

FIG. 23 is an overall configuration diagram showing a second conventional example of a resin mold transformer.

FIG. 24 is an enlarged front view of a portion D in FIG. 23;

FIG. 25 is an explanatory diagram when FIG. 24 is rotated by 90 degrees.

FIG. 26 is an overall configuration diagram showing a third conventional example of a resin mold transformer.

FIG. 27 is an enlarged front view of a portion C in FIG. 26;

28 is a view as viewed in the direction of the arrow J in FIG. 27.

FIG. 29 is an overall configuration diagram showing a fourth conventional example of a resin mold transformer.

FIG. 30 is an enlarged front view of a portion A in FIG. 30;

FIG. 31 is a perspective view of FIG. 30.

32 is a sectional view taken along line YY of FIG. 30.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Iron core, 2 ... Winding, 3 ... Upper frame, 4 ... Lower frame, 5 ... Upper bed frame, 6 ... Lower bed frame, 7
… Wheel frame, 8… wheel, 9… anti-vibration rubber, 10… hexagon bolt, 11, 21, 50, 60… stopper, 12… nut, 13… rubber bush, 15… installation base, 1
6 ... rotation stop, 17 ... connecting frame, 18 ... fixing bolt, 19 ... installation seat, 22 ... backing plate, 23 ... bed frame, 40, 41 ... stud, 62 ... friction spring, d, d1 to d5 ... gap.

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification code FI H01F 31/00 S

Claims (6)

(57) [Claims] 1. A bed comprising a resin-molded winding, an iron core around which the winding is wound, an upper and lower frame for sandwiching the winding, and a bed frame provided below the lower frame. The frame is composed of an upper bed frame and a lower bed frame that sandwich the vibration isolating rubber from above and below, and in a resin mold transformer in which a stopper is provided through a gap between the upper and lower bed frames, A resin mold transformer, wherein a tongue formed of a tongue-shaped cut is formed on one of the bed frames, and the tongue is bent at a right angle to serve as a stopper. 2. The resin molded transformer according to claim 1, wherein a fiber layer is formed inside the vibration-proof rubber. 3. A winding molded by resin, an iron core around which the winding is wound, upper and lower frames for holding the windings, and an upper bed frame and a lower bed frame provided below the lower frame. In a resin mold transformer including a bed frame that sandwiches vibration isolating rubber from above and below, a wheel frame bolted to a lower portion of the bed frame, a wheel supported by the wheel frame, and a rotation stop of the wheel frame. The lower bed frame is made of a channel steel having an opening directed downward, and the wheel frame is accommodated in the groove, and the horizontal width of the wheel frame in both directions is formed to be substantially the same size, and the rotation is performed. The stopper is composed of a fixing bolt, the shaft of which is horizontally penetrated through the lower bed frame and abuts against the side surface of the wheel frame. Resin molded transformer. 4. A winding molded with a resin, an iron core around which the winding is wound, upper and lower frames for sandwiching the windings, a bed frame provided at a lower portion of the lower frame, and the bed frame. It consists of a wheel and an installation seat provided between the base and the installation base, and the installation seat is formed in an L-shape by a vertical piece fixed to the bed frame side and a horizontal piece fixed to the installation base side. In the resin molded transformer, a notch hole having an upper side opened in a vertical piece of the mounting seat is provided, and a fixing bolt is passed between the notch hole and a mounting hole provided on the bed frame side. A resin molded transformer, wherein the mounting seat is fixed to a bed frame. 5. A winding molded by a resin, an iron core around which the winding is wound, upper and lower frames for sandwiching the windings, and a bed frame interposed between the lower frame and the installation base. The bed frame has an upper bed frame and a lower bed frame which are arranged vertically, and a vibration isolating rubber is interposed between the upper and lower bed frames and a first stopper is provided through a predetermined gap. The lower bed frame is provided with a stud vertically set up and a mounting hole formed therein, and the stud extends to an upper portion of the upper bed frame. In a resin mold transformer having a second stopper fixed thereto, a through hole is formed in the upper bed frame, and the stud passes through the through hole to form an upper bed. Extending to the upper frame, the second stopper is a resin molded transformer, characterized by comprising formed larger than the diameter of the through hole. 6. The resin mold transformer according to claim 5, wherein the second stopper is a nut having a friction spring that presses a screw thread in an axial direction, and the nut is screwed into the stud. vessel.