Cutting tool for pressing block rubber pad of dry-type transformer

Abstract

The utility model provides a cutting tool for a dry-type transformer pressing block rubber pad. The cutting tool comprises a bottom plate, an adjustable positioning piece, a first positioning bolt, a first clamping plate, a second clamping plate and a second positioning bolt. The cutting tool for the dry-type transformer pressing block rubber pad is simple in structure, high in operability, capable of easily cutting rubber pads of different lengths, widths and thicknesses, neat and attractive in cut end face, high in working efficiency and capable of shortening the purchasing period.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of dry -type transformer, especially relate to a cutting frock of dry -type transformer pressure block rubber pad. BACKGROUND

[0002] Power transformer is very key equipment in power supply system, when transformer transports energy to load, there is current flowing through high voltage winding, low voltage winding and leakage magnetic field is generated around winding, current in winding and leakage magnetic field interact to make electric power in winding, especially when short circuit fault occurs suddenly in secondary side of transformer, great current is generated in transformer and thus winding suffers great electric power, this electric power can be decomposed into axial electric power and amplitude direction electric power, axial electric power needs to be pressed tightly with pressure block and winding, rubber pad is generally placed in lower part of pressure block to ensure that winding is pressed tightly and resist electric power generated when short circuit occurs.

[0003] However, because transformer capacity is different, size is different, pressure block is also different, then the size of rubber pad configured to be pressed down is also different, and it is necessary to purchase extra every time, which greatly affects delivery time, and because rubber pad is relatively hard, it is time -consuming and laborious to cut every time. INVENTION CONTENTS

[0004] In view of the defects in the prior art, the utility model aims at providing a cutting frock of dry -type transformer pressure block rubber pad.

[0005] To achieve the above-mentioned purpose, the solution adopted by the utility model is as follows:

[0006] The utility model provides a cutting frock of dry -type transformer pressure block rubber pad, which comprises:

[0007] The bottom plate comprises a first positioning screw hole and a second positioning screw hole;

[0008] The adjustable positioning piece comprises a positioning part for fixing on the bottom plate and a stop part for stopping the extending end of the rubber pad, and a long slot in the horizontal direction is arranged on the positioning part;

[0009] The first positioning bolt corresponds to the first positioning screw hole, is arranged to pass through the long slot of the positioning part of the adjustable positioning piece and the first positioning screw hole of the bottom plate, the position of the stop part is adjusted by adjusting the position of the long slot, so that the extending length of the rubber pad is adjusted;

[0010] The first clamping plate, the second clamping plate and the second positioning bolt corresponding to the second positioning hole, the first clamping plate and the second clamping plate are fixed on the bottom plate in parallel through the second positioning bolt passing through the second positioning hole, the middle line of the first clamping plate and the second clamping plate is collinear with the middle line of the long hole of the positioning part of the adjustable positioning piece, and the spacing of the first clamping plate and the second clamping plate is the width of the rubber pad.

[0011] Preferably, the spacing of the first clamping plate and the second clamping plate is set according to the width specification of the rubber pad, and the second positioning hole includes multiple groups of second positioning holes with different spacings.

[0012] Preferably, the second positioning hole is a counterbore formed on the back of the bottom plate.

[0013] Preferably, the second positioning bolt reversely passes through the second positioning hole of the bottom plate, and a third positioning hole for screwing in the second positioning bolt is arranged at the bottom of the first clamping plate and the second clamping plate.

[0014] Preferably, the first clamping plate and the second clamping plate are both single clamping plates extending horizontally and arranged side by side, and the two single clamping plates have a gap of 0.1mm-5mm in the horizontal direction, and the tool is cut from the gap.

[0015] Preferably, each single clamping plate is equipped with two second positioning bolts.

[0016] Preferably, the first positioning hole is a through hole or a blind hole formed on the front of the bottom plate.

[0017] Preferably, the first positioning bolt passes through the first positioning hole of the bottom plate in the forward direction.

[0018] Preferably, the number of the first positioning bolts is two.

[0019] Preferably, the adjustable positioning piece is a bent steel plate, and the positioning part and the stop part of the adjustable positioning piece are perpendicular to each other.

[0020] Advantages

[0021] The cutting tool for the rubber pad of the dry-type transformer pressing block is simple in structure, high in operability, capable of easily cutting rubber pads with different lengths, widths and thicknesses, high in working efficiency, and capable of reducing the procurement cycle. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The utility model provides a cutting tool for the rubber pad of the dry-type transformer pressing block.

[0023] Figure 2The utility model relates to the cutting frock's plan of dry -type transformer pressure block rubber pad.

[0024] Figure 3 The utility model relates to the bottom plate's plan of dry -type transformer pressure block rubber pad. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantage of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model below, obviously, the described embodiments are a part of the embodiments of the utility model, not all the embodiments of the utility model. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model protection.

[0027] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0028] In the description of the utility model, it needs to be explained that, the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relation shown in the drawings, or the orientation or position relation commonly placed when the utility model product is used, only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as the limitation of the utility model. In addition, the terms "first", "second", "third" and the like are only used for distinguishing description, and cannot be understood as indicating or implying relative importance.

[0029] In addition, the terms "horizontal", "vertical" and the like do not mean that the component must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0030] In the description of the utility model, still need explaining, unless another explicit provision and limitation, term "arrangement", "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication。For ordinary skilled person in the art, can understand the specific meaning of the above terms in the utility model according to specific circumstances.

[0031] To this end, the following solutions are proposed:

[0032] Referring to Figure 1 And Figure 2 The utility model provides a cutting frock of dry -type transformer pressure block rubber pad, include: bottom plate 1, adjustable positioning piece 2, first positioning bolt 3, first clamping plate 4, second clamping plate 5 and second positioning bolt 6.

[0033] In the utility model, the cutting frock of dry -type transformer pressure block rubber pad of the utility model is used to cut the whole roll material of rubber pad for dry -type transformer pressure block of different specifications, for example, including different thickness specifications such as 5mm, 10mm or 15mm, including different width specifications such as 60mm, 80mm or 120mm.

[0034] Specifically, in the cutting frock of dry -type transformer pressure block rubber pad provided by the utility model, as Figure 3 Indicated, the bottom plate 1 includes first positioning hole 11 and second positioning hole 12, wherein the first positioning hole 11 corresponds to the first positioning bolt 3, and the second positioning hole 12 corresponds to the second positioning bolt 6.

[0035] As a specific embodiment of the utility model, the adjustable positioning piece 2 is fixed on the bottom plate 1 by the first positioning bolt 3, including the positioning part 21 for being fixed on the bottom plate 1 and the stop part 22 for stopping the extension end of the rubber pad, and the long hole 211 in the horizontal direction is arranged on the positioning part 21.In some embodiments, the first positioning bolt 3 is arranged to pass through the long hole 211 of the positioning part 21 of the adjustable positioning piece 2 and the first positioning hole 11 of the bottom plate 1.

[0036] In the cutting frock of dry -type transformer pressure block rubber pad provided by the utility model, by adjusting the position of the first positioning bolt 3 in the long hole 211 of the positioning part 21 of the adjustable positioning piece 2, the position of the stop part 22 of the adjustable positioning piece 2 is adjusted, so as to adjust the extension length of the rubber pad.

[0037] In some embodiments, the first positioning screw hole 11 is a through hole or a blind hole formed on the front surface of the bottom plate 1, and the first positioning bolt 3 is arranged to pass through the first positioning screw hole 11 of the bottom plate 1 in the front direction. Figure 1 In some embodiments, the first positioning bolt 3 and the corresponding first positioning screw hole 11 are arranged in pairs. Figure 2 In some embodiments, the first positioning bolt 3 and the corresponding first positioning screw hole 11 are arranged in pairs.

[0038] In some embodiments, the adjustable positioning member 2 is a bent steel plate, and the positioning part 21 and the stop part 22 of the adjustable positioning member 2 are perpendicular to each other.

[0039] As a specific embodiment of the present application, the first clamping plate 4 and the second clamping plate 5 are fixed on the bottom plate 1 in parallel through the second positioning bolt 6 passing through the second positioning screw hole 12 of the bottom plate 1, the center line of the first clamping plate 4 and the second clamping plate 5 is collinear with the center line of the long hole 211 of the positioning part 21 of the adjustable positioning member 2, and the spacing between the first clamping plate 4 and the second clamping plate 5 is the width of the rubber pad.

[0040] In the cutting tool for the rubber pad of the dry-type transformer pressing block provided by the present application, the spacing between the first clamping plate 4 and the second clamping plate 5 is set according to the width specification of the rubber pad. For example, if the width specification of the rubber pad to be processed includes 60mm, 80mm or 120mm, the first clamping plate 4 and the second clamping plate 5 need to be set to have a spacing of 60mm, 80mm or 120mm, and correspondingly, the second positioning screw hole 12 needs to be set to have multiple groups of second positioning screw holes 121, 122 and 123 with different spacings of 60mm, 80mm or 120mm (as shown in FIG. Figure 3

[0041] In some embodiments, the second positioning screw hole 12 is a counterbore formed on the back surface of the bottom plate 1, and the second positioning bolt 6 is arranged to pass through the second positioning screw hole 12 of the bottom plate 1 in the reverse direction, and the bottom of the first clamping plate 4 and the second clamping plate 5 is provided with a third positioning screw hole (not shown in the figure) for the second positioning bolt 6 to be screwed into.

[0042] As a specific embodiment of the present application, the first clamping plate 4 and the second clamping plate 5 are both single clamping plates 41, 42, 51 and 52 which are horizontally extended and arranged side by side, and the two single clamping plates 41, 42 (or 51, 52) have a gap G of 0.1mm-5mm (for example, about 1mm) in the horizontal direction, and the cutting tool is cut from the gap G. In some embodiments, the number of second positioning bolts 6 provided for each single clamping plate 41, 42, 51 or 52 can be one, two or more, and in Figure 1 In some embodiments, the first clamping plate 4 and the second clamping plate 5 are both single clamping plates 41, 42, 51 and 52 which are horizontally extended and arranged side by side, and the two single clamping plates 41, 42 (or 51, 52) have a gap G of 0.1mm-5mm (for example, about 1mm) in the horizontal direction, and the cutting tool is cut from the gap G. In some embodiments, the number of second positioning bolts 6 provided for each single clamping plate 41, 42, 51 or 52 can be one, two or more, and in Figure 2 In some embodiments, the first clamping plate 4 and the second clamping plate 5 are both single clamping plates 41, 42, 51 and 52 which are horizontally extended and arranged side by side, and the two single clamping plates 41, 42 (or 51, 52) have a gap G of 0.1mm-5mm (for example, about 1mm) in the horizontal direction, and the cutting tool is cut from the gap G. In some embodiments, the number of second positioning bolts 6 provided for each single clamping plate 41, 42, 51 or 52 can be one, two or more, and in

[0043] ​The cutting fixture for the rubber pad of the dry-type transformer pressure block provided by this utility model is used as follows:

[0044] Purchase rolls of rubber pads of different specifications. Adjust the distance between the first clamping plate 4 and the second clamping plate 5 according to the width of the rubber pad to be processed (60mm, 80mm, or 120mm). For example, when the width of the rubber pad to be processed is 60mm (or 80mm, or 120mm), pass the second positioning bolt 6 through it in the opposite direction. Figure 3 In the second positioning screw hole 121 closest to the centerline of the base plate 1 (or the second positioning screw hole 122 in the middle row, or the second positioning screw hole 123 furthest from the centerline), adjust the position of the first positioning bolt 3 in the elongated hole 211 of the positioning part 21 of the adjustable positioning member 2 according to the length to be processed of the rubber pad, thereby adjusting the position of the stop part 22 of the adjustable positioning member 2. Then, the protruding end of the whole roll of rubber pad material to be processed passes through the first clamping plate 4 and the second clamping plate 5 until it reaches the stop part 22 of the adjustable positioning member 2. Finally, use a cutting tool to cut downwards from the gap G reserved in the first clamping plate 4 and the second clamping plate 5, for example, about 1 mm, thus completing the cutting of the rubber pad for the dry transformer pressure block.

[0045] The cutting fixture for the rubber pad of the dry transformer pressure block provided by this utility model is not limited by the thickness of the rubber pad to be processed, and can be applied to rubber pads of different thicknesses (e.g., 5mm, 10mm or 15mm).

[0046] This utility model provides a cutting fixture for rubber pads of dry-type transformer pressure blocks. It has a simple structure, is easy to operate, and can easily cut rubber pads of different lengths, widths, and thicknesses. The cut end face is neat and beautiful, the work efficiency is high, and the procurement cycle is reduced.

[0047] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A cutting tool for dry-type transformer press block rubber pads, characterized by, The utility model relates to a rubber pad fixing device, including: a bottom plate including a first positioning screw hole and a second positioning screw hole; an adjustable positioning piece including a positioning part for fixing on the bottom plate and a stop part for stopping the extending end of a rubber pad, a long hole in horizontal direction being arranged on the positioning part; a first positioning bolt corresponding to the first positioning screw hole, arranged to pass through the long hole of the positioning part of the adjustable positioning piece and the first positioning screw hole of the bottom plate, the position of the stop part being adjusted by adjusting the position of the long hole, so as to adjust the extending length of the rubber pad; a first clamping plate, a second clamping plate and a second positioning bolt corresponding to the second positioning screw hole, the first clamping plate and the second clamping plate being fixed in parallel on the bottom plate through the second positioning bolt passing through the second positioning screw hole, the middle line of the first clamping plate and the second clamping plate being collinear with the middle line of the long hole of the positioning part of the adjustable positioning piece, the distance between the first clamping plate and the second clamping plate being the width of the rubber pad.

2. The cutting tool for dry-type transformer block rubber gasket according to claim 1, wherein The distance between the first clamping plate and the second clamping plate is set according to the width specification of the rubber pad, and the second positioning screw hole includes multiple groups of second positioning screw holes with different distances.

3. The cutting tool for dry-type transformer block rubber gasket according to claim 1, wherein The second positioning screw hole is a counterbore arranged on the back of the bottom plate.

4. The cutting tool for dry-type transformer block rubber gasket according to claim 3, wherein The second positioning bolt reversely passes through the second positioning screw hole of the bottom plate, and a third positioning screw hole for the second positioning bolt to screw into is arranged at the bottom of the first clamping plate and the second clamping plate.

5. The cutting tooling for dry-type transformer pressblock rubber gaskets according to any of claims 1-4, characterized in that, The first clamping plate and the second clamping plate are both single clamping plates extending horizontally and arranged side by side, and the two single clamping plates have a gap of 0.1mm-5mm in horizontal direction, and a tool is cut from the gap.

6. The cutting tool for dry-type transformer block rubber gasket according to claim 5, wherein Each single clamping plate is equipped with two second positioning bolts.

7. The cutting tool for dry-type transformer block rubber gasket according to claim 1, wherein The first positioning screw hole is a through hole or a blind hole arranged on the front of the bottom plate.

8. The cutting tool for dry-type transformer block rubber gasket according to claim 7, characterized in that, The first positioning bolt directly passes through the first positioning screw hole of the bottom plate.

9. The cutting tool for dry-type transformer block rubber gaskets according to claim 7 or 8, characterized in that, The number of the first positioning bolts is two.

10. The cutting tool for dry-type transformer block rubber gasket according to claim 1, wherein The adjustable positioning piece is a bent steel plate, and the positioning part and the stop part of the adjustable positioning piece are perpendicular to each other.

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