CN212844265U

CN212844265U - Detection device for transformer core

Info

Publication number: CN212844265U
Application number: CN202022168624.8U
Authority: CN
Inventors: 张俊
Original assignee: Taixing Huari Electrical Equipment Co ltd
Current assignee: Taixing Huari Electrical Equipment Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-03-30
Anticipated expiration: 2030-09-28

Abstract

The utility model relates to a transformer spare part detects technical field, especially relates to a detection device for transformer core, including detecting platform, vibration analysis appearance and iron core, the centre of detecting the platform is equipped with the recess, and vibration analysis appearance installs on detecting the outer wall of platform, has all welded the extension board on the both sides lateral wall of recess, and installs vibration sensor through linear electric motor on one side lateral wall of recess, installs the board that shakes through the vibrator on the opposite side lateral wall of recess, and the iron core frame just is located between board and the vibration sensor that shakes on two extension boards, one side of detecting the platform slides on its outer wall and is provided with the regulation seat, and the regulation seat is "U" type structure and its both ends have all welded the connection handle. Compared with the prior art, the utility model discloses other factors have been reduced to the interference of testing result to the accuracy of testing result has been improved.

Description

Detection device for transformer core

Technical Field

The utility model relates to a transformer spare part detects technical field, especially relates to a detection device for transformer core.

Background

With the development of society, the electricity consumption of residents is increased day by day, so the use amount of the transformer is also increased, the detection of the transformer consumes a great amount of time of workers, the labor is greatly consumed, and the problem that the hands are not enough is increasingly prominent. Most of existing transformer detection is manual detection, the problems of high operation danger and inaccurate detection exist, the transformer cannot normally work in most of time, electric appliances are damaged, and great troubles are brought to the electricity consumption of residents.

Chinese utility model patent with publication number CN211401598U discloses a transformer core damage detection device, which not only installs an oscillator in the horizontal direction of the core, but also installs an oscillation assisting device in the vertical direction of the core, so that the core is very easy to displace up and down when detecting, thereby affecting the determination of axial vibration, and therefore a device is needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the prior art, and the detection device for transformer core who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a detection device for a transformer iron core comprises a detection table, a vibration analyzer and an iron core, wherein a groove is formed in the middle of the detection table, the vibration analyzer is installed on the outer wall of the detection table, support plates are welded on the side walls of two sides of the groove, a vibration sensor is installed on the side wall of one side of the groove through a linear motor, a vibration plate is installed on the side wall of the other side of the groove through a vibration generator, and the iron core is erected on the two support plates and located between the vibration plate and the vibration sensor;

the adjustable detection table is characterized in that an adjusting seat is arranged on one side of the detection table in a sliding mode on the outer wall of the detection table, the adjusting seat is of a U-shaped structure, connecting handles are welded at two ends of the adjusting seat, the adjusting seat and the detection table are fixedly connected through set screws, the connecting handles slide on the outer wall of the detection table through guide blocks, and pressing plates are welded on the top ends of the connecting handles at two sides.

Preferably, the linear motor is installed on the side wall of one side of the groove in a built-in mode, the vibration sensor is installed at the end portion of an output shaft of the linear motor through a screw, and a motor switch is installed on the outer wall of one side of the detection table.

Preferably, the vibration sensor is connected with the vibration analyzer through a signal wire.

Preferably, the vibration generator is internally installed on the side wall of the other side of the groove, the vibration generating plate and the output end of the vibration generator are fixed through screws, and the side wall of the groove is provided with the vibration generating switch.

Preferably, the outer walls of the two sides of the detection table are provided with sliding grooves, the connecting handle and the guide block are welded and fixed, and the guide block is located between the inner walls of the sliding grooves in a sliding mode.

The utility model has the advantages that:

through putting up the iron core on examining test table, make its one end and the board contact that shakes, the other end contacts with vibrations sensor, in vertical direction, through adjusting the position of clamp plate to the cooperation extension board is injectd its vertical ascending position of side, avoids appearing the condition that reciprocates, compares in prior art, the utility model discloses reduce the interference of other factors to the testing result to the accuracy of testing result has been improved.

Drawings

Fig. 1 is a schematic structural view of a detection device for a transformer core according to the present invention;

fig. 2 is the utility model provides a schematic diagram is overlooked in transformer core detection device's regulation seat installation.

In the figure: the device comprises a detection table 1, a support plate 11, a sliding chute 12, a vibration analyzer 2, a linear motor 3, a vibration sensor 31, a vibration generator 4, a vibration plate 41, a pressure plate 5, a connecting handle 51, a guide block 52, an adjusting seat 6 and an iron core 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a detection device for a transformer iron core comprises a detection table 1, a vibration analyzer 2 and an iron core 7, wherein a groove is arranged in the middle of the detection table 1, the vibration analyzer 2 is installed on the outer wall of the detection table 1, support plates 11 are welded on the side walls of the two sides of the groove and used for supporting the iron core 7, a vibration sensor 31 is installed on the side wall of one side of the groove through a linear motor 3, a vibration plate 41 is installed on the side wall of the other side of the groove through a vibration generator 4 and used for conducting vibration of the vibration generator 4 and expanding the vibration area, and the iron core 7 is erected on the two support plates 11 and located between the vibration plate 41 and the vibration sensor 31;

further, one side of examining test table 1 slides on its outer wall and is provided with regulation seat 6, fixes the position of clamp plate 5, adjusts seat 6 and is "U" type structure and its both ends have all welded connecting handle 51 to it is fixed through holding screw connection to adjust seat 6 and examine between the test table 1, connecting handle 51 slides on the outer wall of examining test table 1 through guide block 52, and has welded clamp plate 5 on the top of the connecting handle 51 of both sides, carries out spacing fixed to iron core 7.

Further, linear electric motor 3 is built-in to be installed on the lateral wall of recess one side, and shock transducer 31 passes through the screw and installs at linear electric motor 3's output shaft tip, and installs motor switch on detecting one side outer wall of platform 1.

Further, the vibration sensor 31 is connected to the vibration analyzer 2 through a signal line.

Further, the vibration generator 4 is installed in the other side wall of the groove, the vibration plate 41 is fixed to the output end of the vibration generator 4 through screws, and the side wall of the groove is provided with a vibration switch.

Further, the outer walls of the two sides of the detection table 1 are provided with sliding grooves 12, the guide block 52 is guided and limited, the connecting handle 51 and the guide block 52 are welded and fixed, and the guide block 52 is located between the inner walls of the sliding grooves 12 in a sliding mode.

In the embodiment, firstly, a set screw on an adjusting seat 6 is unscrewed, the adjusting seat 6 is moved upwards to lift a pressing plate 5, an iron core 7 is taken and put on a support plate 11, one end of the iron core 7 is contacted with a vibration starting plate 41, then a motor switch is shifted, a linear motor 3 drives a vibration sensor 31 to approach the iron core 7, the motor switch is closed when the iron core 7 is contacted, then the adjusting seat 6 is moved downwards, when the pressing plate 5 is contacted with the upper surface of the iron core 7, the set screw is screwed down to fix the position of the pressing plate 5, then a vibration analyzer 2 is started, the vibration switch is pressed down, a vibrator 4 starts to work, the vibration sensor 31 transmits the monitored vibration rate into the vibration analyzer 2, the real-time vibration frequency is displayed through a broken line graph by the vibration analyzer 2, the vibration analyzer 2 analyzes the received information and compares the received vibration information with the vibration information of the iron core 7, whether the iron core 7 is damaged or not is analyzed, after the damage is finished, the shock starting switch and the shock analyzer 2 are closed, the motor switch is shifted again, the shock sensor 31 is moved away, the adjusting seat 6 is moved upwards at last, and the iron core 7 is taken down.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The detection device for the transformer iron core comprises a detection table (1), a vibration analyzer (2) and an iron core (7), and is characterized in that a groove is formed in the middle of the detection table (1), the vibration analyzer (2) is installed on the outer wall of the detection table (1), support plates (11) are welded on the side walls of the two sides of the groove, a vibration sensor (31) is installed on the side wall of one side of the groove through a linear motor (3), a vibration lifting plate (41) is installed on the side wall of the other side of the groove through a vibration lifter (4), and the iron core (7) is erected on the two support plates (11) and located between the vibration lifting plate (41) and the vibration sensor (31);

it is provided with regulation seat (6) to examine one side of platform (1) and slide on its outer wall, adjusts seat (6) and is "U" type structure and its both ends all weld connection handle (51) to adjust seat (6) and examine between platform (1) and fix through holding screw connection, connection handle (51) slide on the outer wall of examining platform (1) through guide block (52), and weld on the top of the connection handle (51) of both sides clamp plate (5).

2. The detecting device for the transformer core according to claim 1, wherein the linear motor (3) is internally installed on the side wall of one side of the groove, the vibration sensor (31) is installed on the end part of the output shaft of the linear motor (3) through a screw, and a motor switch is installed on the outer wall of one side of the detecting table (1).

3. The transformer core detection device according to claim 1, wherein the vibration sensor (31) is connected to the vibration analyzer (2) through a signal line.

4. The detecting device for the transformer core according to claim 1, wherein the vibration generator (4) is internally installed on the other side wall of the groove, the vibration generating plate (41) and the output end of the vibration generator (4) are fixed through screws, and the vibration generating switch is installed on the side wall of the groove.

5. The detection device for the transformer core according to claim 1, wherein sliding grooves (12) are formed in outer walls of two sides of the detection table (1), the connecting handle (51) and the guide block (52) are welded and fixed, and the guide block (52) is slidably located between inner walls of the sliding grooves (12).