CN213211987U - Electromagnet mounting seat special for ZN28-12 type circuit breaker - Google Patents
Electromagnet mounting seat special for ZN28-12 type circuit breaker Download PDFInfo
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- CN213211987U CN213211987U CN202021697725.8U CN202021697725U CN213211987U CN 213211987 U CN213211987 U CN 213211987U CN 202021697725 U CN202021697725 U CN 202021697725U CN 213211987 U CN213211987 U CN 213211987U
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- vertical plate
- edge
- circuit breaker
- side vertical
- central hole
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Abstract
The utility model relates to a special electro-magnet mount pad of ZN28-12 type circuit breaker, by the pedestal constitution, the pedestal is like the U type whole seat, including bottom surface and both sides riser, left side riser edge is arc, has a centre bore, the equipartition has three apertures beside the centre bore, the position of the left lower side of left side riser still has an aperture, the edge of the left upper side of left side riser has the breach; the edge of the half edge of the right vertical plate is arc-shaped, the middle of the right vertical plate is provided with a central hole which is coaxial with the central hole of the left vertical plate, the other half edge of the side vertical plate is a straight line, the edge of the other half edge of the side vertical plate is connected with an installation piece in a right angle mode, and the installation piece is provided with two installation holes. The utility model discloses a can improve commonality, the convenience that lifting means overhauld, shorten beneficial effect such as power off time when the component is changed.
Description
Technical Field
The utility model relates to an electrical equipment technical field, concretely relates to mount pad that is used for ZN28-12 type circuit breaker electro-magnet specially.
Technical Field
A substation plays an extremely important role in an electric power system as a place for converting voltage and current, receiving electric energy, and distributing electric energy. The circuit breaker is used as primary equipment for directly producing, conveying, distributing and using electric energy in a transformer substation, and the health of the equipment plays a particularly significant role in safe and stable operation of a power grid.
In primary equipment of a transformer substation, circuit breakers are affected by familial defects, improper operation, improper equipment maintenance, environmental factors and the like, the circuit breakers of different voltage grades, different equipment models and different manufacturers have the fault of refusing to operate, the fault rate of refusing to operate in the 35kV and 10kV circuit breakers is high, and the opening and closing coils can be burnt out frequently to cause disconnection of a control loop, so that power failure of a circuit is caused, and the reliability of power supply is affected.
In order to avoid long-time power failure and guarantee the reliability of power supply, the circuit breaker needs to be subjected to emergency repair work to recover power supply in time. When the line breaking emergency repair work of a 10kV ZN28-12 breaker control loop of a certain transformer substation is carried out, the field inspection finds that a closing coil of the breaker is burnt out, a closing sector plate is not buckled to a closing half shaft, and the mechanism energy storage is not in place. After mechanism faults are eliminated, the problem that spare parts of the existing electromagnet of the model are not matched with the circuit breaker in the replacement process of the closing electromagnet of the circuit breaker is solved, and the reason of the mismatching is mainly that the corresponding spare parts are not supplied any more because the manufacturer stops producing the circuit breaker of the model. Therefore, the utility model discloses research design a special electro-magnet mount pad of ZN28-12 type circuit breaker.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem that prior art exists, the utility model aims to provide a special electro-magnet mount pad of ZN28-12 type circuit breaker, the technical problem of its main solution can effectively match the installation of the current electro-magnet spare part of this model and circuit breaker, reduces the complexity of maintenance work, reduces the power off time, promotes the power supply reliability.
In order to achieve the above object, the utility model provides a following technical scheme: a ZN28-12 type breaker special electromagnet mount pad is formed by the base frame, the base frame is like the integral seat of U type, including bottom surface and both sides riser, the riser edge of left side is the arc, there is a centre hole, there are three apertures by the centre hole, there is an aperture in the position of left lower side of the riser left, the upper edge of left side of the riser left has notches; the edge of the half edge of the right vertical plate is arc-shaped, the middle of the right vertical plate is provided with a central hole which is coaxial with the central hole of the left vertical plate, the other half edge of the side vertical plate is a straight line, the edge of the other half edge of the side vertical plate is connected with an installation piece in a right angle mode, and the installation piece is provided with two installation holes.
Furthermore, the central aperture of the left vertical plate is 17mm, the diameters of the three small holes uniformly distributed on the periphery of the left vertical plate are 4.5mm, and the diameter of the small hole at the lower right position is 4 mm.
Furthermore, the central line of the edge notch at the upper left surface of the left side vertical plate forms an included angle of 30 degrees with the horizontal line.
Further, the central aperture in the middle of the right vertical plate is 13 mm.
Furthermore, the two mounting holes on the mounting plate connected at right angle with the edge of the right vertical plate are 6.5mm in diameter and 13mm in distance.
Compared with the prior art, the beneficial effects of the utility model have following several aspects:
1. the complexity of the overhaul work is reduced. The utility model discloses a there is unmatched problem to solve when making the spare parts of this model electro-magnet and circuit breaker installation now, avoids the scene to burn out coil, coil spare parts and reprocesses, makes the maintenance process that the scene is complicated become simple and convenient.
2. Reduce the power off time, promote the power supply reliability. The utility model discloses research and design's mount pad simple to operate can shorten maintenance operating time, can in time resume the power supply after the troubleshooting, has shortened the power off time, need not process the coil simultaneously, and the spare parts reliability after the change is also better.
Drawings
Fig. 1 is a schematic structural view (axonometric view) of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a left side view of the present invention.
Fig. 4 is a top view of the present invention.
In the figure, 1-a left side vertical plate center hole, 2-a left side vertical plate, 3-a left side vertical plate uniform distribution hole, 4-a left side vertical plate edge gap, 5-a left side vertical plate lower left small hole, 6-a right side vertical plate, 7-a right side vertical plate mounting piece mounting hole, 8-a mounting piece, and 9-a right side vertical plate center hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. The specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting of the invention.
In the description of the present invention, it should be noted that "upper", "lower", "inner", and the like indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, unless expressly stated or limited otherwise, the terms "mounted" and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
as shown in fig. 1 to 4, the ZN28-12 type electromagnet mounting base for the circuit breaker is composed of a base body, the base body is a U-shaped integral base and comprises a bottom surface and two side vertical plates, the edge of the left side vertical plate 2 is arc-shaped and is provided with a central hole 1, three small holes 3 are uniformly distributed beside the central hole, the lower left side of the left side vertical plate is also provided with a small hole 5, and the edge of the upper left side of the left side vertical plate is provided with a gap 4; the edge of half of the right vertical plate 6 is arc-shaped, the middle of the right vertical plate is provided with a central hole 9 which is coaxial with the central hole of the left vertical plate, the other half of the side vertical plate is a straight line, the edge of the other half of the side vertical plate is connected with a mounting piece 8 in a right angle mode, the mounting piece is provided with two mounting holes 7, and a space for mounting an electromagnet is arranged between the two vertical plates.
Preferably, the central aperture 1 of the left vertical plate 2 is 17mm, the diameter of the small holes 3 uniformly distributed on the periphery is 4.5mm, and the diameter of the small hole 5 at the lower right position is 4 mm.
Preferably, the central line of the edge notch 4 at the upper left side of the vertical plate 2 on the left side forms an included angle of 30 degrees with the horizontal line.
Preferably, the diameter of the central hole 9 in the middle of the right vertical plate 6 is 13 mm.
Preferably, the diameter of the two mounting holes 7 on the mounting sheet 8 connected at right angle to the edge of the right vertical plate 6 is 6.5mm, and the distance is 13 mm.
The electromagnet mounting seat is formed by punching, cutting and bending a metal plate, 2 x phi 6.5 holes are formed by 2M 6 screws for mounting the electromagnet mounting seat on a ZN28-12 type circuit breaker mechanism, 3 x phi 4.5 holes are formed by 3M 4 screws for mounting an electromagnet on the electromagnet mounting seat, and a space for mounting the electromagnet is formed between two vertical plates of the metal plate. The technology requires that acute angles are blunted and deburred, the surface is subjected to anti-oxidation treatment, the tolerance is not marked according to IT14 level, and the geometric tolerance is not marked according to C level.
The utility model discloses a theory of operation is: the electromagnet is installed on the electromagnet installation seat, 3M 4 screws are connected with the electromagnet body threaded hole through 3 x phi 4.5 uniform distribution holes of the installation seat, so that the electromagnet is stably installed on the installation seat, the electromagnet installation seat is installed on the circuit breaker mechanism, 2M 6 screws are connected with the circuit breaker mechanism threaded hole through 2 x phi 6.5 holes of the installation seat, the electromagnet installation seat is stably installed on the circuit breaker mechanism, and the problem that spare parts of the electromagnet of the existing model are not matched with the circuit breaker when being installed is solved.
Claims (5)
1. The special electromagnet mounting seat for the ZN28-12 type circuit breaker is characterized in that the mounting seat is composed of a seat body, the seat body is a U-shaped integral seat and comprises a bottom surface and two side vertical plates, the edge of the left side vertical plate is arc-shaped and is provided with a central hole, three small holes are uniformly distributed beside the central hole, the position of the lower left side of the left side vertical plate is also provided with a small hole, and the edge of the upper left side of the left side vertical plate is provided with a gap; the edge of the half edge of the right vertical plate is arc-shaped, the middle of the right vertical plate is provided with a central hole which is coaxial with the central hole of the left vertical plate, the other half edge of the side vertical plate is a straight line, the edge of the other half edge of the side vertical plate is connected with an installation piece in a right angle mode, and the installation piece is provided with two installation holes.
2. The electromagnet mounting base special for ZN28-12 type circuit breaker according to claim 1, wherein the central aperture of the left vertical plate is 17mm, the diameter of three small holes uniformly distributed around the central aperture is 4.5mm, and the diameter of the small hole at the lower right position is 4 mm.
3. The ZN28-12 type electromagnet mounting base for circuit breaker according to claim 1, wherein the center line of the edge notch on the left upper surface of the left side vertical plate forms an angle of 30 degrees with the horizontal line.
4. The ZN28-12 type electromagnet mounting base special for circuit breaker according to claim 1, wherein the central aperture in the middle of the right vertical plate is 13 mm.
5. The ZN28-12 type electromagnet mounting base special for circuit breaker according to claim 1, wherein the two mounting holes of the mounting plate connected with the edge of the right vertical plate at right angle are 6.5mm, and the distance is 13 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021697725.8U CN213211987U (en) | 2020-08-14 | 2020-08-14 | Electromagnet mounting seat special for ZN28-12 type circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021697725.8U CN213211987U (en) | 2020-08-14 | 2020-08-14 | Electromagnet mounting seat special for ZN28-12 type circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213211987U true CN213211987U (en) | 2021-05-14 |
Family
ID=75839266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021697725.8U Active CN213211987U (en) | 2020-08-14 | 2020-08-14 | Electromagnet mounting seat special for ZN28-12 type circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213211987U (en) |
-
2020
- 2020-08-14 CN CN202021697725.8U patent/CN213211987U/en active Active
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