CN218274205U

CN218274205U - Multi-frequency AC/DC power frequency withstand voltage test transformer

Info

Publication number: CN218274205U
Application number: CN202221466312.8U
Authority: CN
Inventors: 毕鑫喻; 乔月东
Original assignee: Jiangsu Wangte Electric Co ltd
Current assignee: Jiangsu Wangte Electric Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2023-01-10
Anticipated expiration: 2032-06-13

Abstract

The utility model discloses a multifrequency alternating current-direct current power frequency withstand voltage test transformer, concretely relates to power frequency withstand voltage test transformer technical field, including test transformer main part and three connecting wire, test transformer main part bottom is equipped with supports the protecting frame, support protecting frame one side and seted up the square groove of opening, support the inside lateral wall of protecting frame and be equipped with the mounting panel, the fixed three wire winding pole that is equipped with in the mounting panel outside, the fixed stopper that is equipped with of wire winding pole one end, the fixed fly leaf that is equipped with in mounting panel bottom. The utility model discloses a winding that is neat with the connecting wire on the wire winding pole for the environment at experimental scene is comparatively clean and tidy, has avoided the people to appear in the condition that its one end drops from the wiring end of testing transformer main part when playing the connecting wire simultaneously, and then makes going on that withstand voltage test can be smooth, and the result of use is better, and also is convenient for classify and place the connecting wire after experimental completion, and the practicality is stronger.

Description

Multi-frequency AC/DC power frequency withstand voltage test transformer

Technical Field

The utility model relates to a power frequency withstand voltage test transformer technical field, concretely relates to multi-frequency alternating current-direct current power frequency withstand voltage test transformer.

Background

The industrial frequency test transformer is a test transformer, the inner iron core of which is a single-phase core type and is made by stacking high-quality cold-rolled oriented silicon steel sheets, and the fastening mode adopts steel as a clamping piece. The method is widely applied to the electrician manufacturing department, the electric power operation department, the scientific research unit and colleges and universities. The device is used for carrying out power frequency voltage withstand, partial discharge detection and other scientific test researches on GIS high-voltage switches, cables and accessories thereof, mutual inductors, power transformers, high-voltage circuit breakers, coupling capacitors, capacitance sleeves, lightning arresters, electroceramics and other electrical elements. The power frequency test transformer is mainly used for testing the insulation level of various insulation materials, insulation structures, electrical products and the like which can bear power frequency voltage, and also can be used as a power supply for a non-partial discharge power frequency test of test articles such as transformers, mutual inductors, lightning arresters and the like.

At present, multifrequency alternating current-direct current power frequency test transformer is when testing withstand voltage material, and the wire that its wiring end is connected scatters on the ground, makes the environment at experimental scene clean and tidy inadequately like this, and the electric wire is played by the people easily, and this can make the electric wire drop from the wiring end, influences the going on of withstand voltage test, and the result of use is not good enough.

Therefore, it is necessary to provide a multi-frequency ac/dc power frequency withstand voltage test transformer to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a multifrequency alternating current-direct current power frequency withstand voltage test transformer, through with the orderly winding of connecting wire on the wire winding pole, make the environment in experimental scene comparatively clean and tidy, avoided the people to appear from the condition that the wiring end of test transformer main part drops its one end when playing the connecting wire simultaneously, and then make going on that withstand voltage test can be smooth, excellent in use effect, and also be convenient for classify and place the connecting wire after experimental the completion, strong in practicability, with the above-mentioned weak point in the solution technology.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a multifrequency alternating current-direct current power frequency withstand voltage test transformer, includes test transformer main part and three connecting wire, and is three connecting wire one end fixed connection is the three wiring end in test transformer main part, test transformer main part bottom is equipped with supports the protecting frame, test transformer main part bottom and the inside bottom fixed connection of supporting the protecting frame, support protecting frame one side and seted up the square groove of opening, support the inside lateral wall of protecting frame and be equipped with the mounting panel, the mounting panel is established in the square groove one side of opening, the fixed three wire winding pole that is equipped with in the mounting panel outside, wire winding pole one end is passed the square inslot of opening and is extended to support protecting frame one side, the connecting wire winding is in the wire winding pole outer end, the fixed stopper that is equipped with of wire winding pole one end, the fixed fly leaf that is equipped with of mounting panel bottom, the fly leaf bottom contacts with the inside bottom of supporting the protecting frame, it is equipped with first threaded rod to support protecting frame one side, first threaded rod one side is passed support protecting frame one side and fly leaf and is extended to the inside the supporting the protecting frame, be connected through the bearing rotation between first threaded rod and the fly leaf, pass through threaded connection between first threaded rod and the fly leaf.

Preferably, a first rotating handle is fixedly arranged at the other end of the first threaded rod, and the first rotating handle is arranged on one side of the supporting and protecting frame and is convenient for driving the first threaded rod to rotate.

Preferably, T type spout has been seted up to the inside bottom of support protective frame, T type spout is established in testing transformer main part one side, the inside T type slider that is equipped with of T type spout, T type slider top and fly leaf bottom fixed connection are convenient for carry on spacing and direction to the fly leaf.

Preferably, four brake wheels are fixedly arranged at the bottom end of the supporting and protecting frame, so that the device can be moved conveniently.

Preferably, all be equipped with the gusset plate in the side around supporting the protective frame, the movable groove has all been seted up to the side around supporting the protective frame, the gusset plate inner extends into the movable inslot portion, can prevent that the device from appearing sliding for its stability is better.

Preferably, the bottom end of the movable groove is fixedly provided with an anti-slip pad, so that the friction force between the movable groove and the ground can be increased.

Preferably, the side all is equipped with the second threaded rod around supporting the protective frame top, the second threaded rod bottom passes supporting protective frame top and gusset plate and extends to the movable groove inside, pass through threaded connection between second threaded rod and the gusset plate, all be connected through the bearing rotation between second threaded rod both ends and the movable groove inner wall, the fixed second that is equipped with in second threaded rod top is changeed the handle, is convenient for drive gusset plate and slipmat and reciprocates.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the connecting wire with the redundant length is wound at the outer end of the winding rod, the other end of the connecting wire is connected with the voltage-withstand test material, so that the connecting wire cannot fall in a test field, after the test is finished, the other end of the connecting wire is wound on the winding rod, the first rotating handle is rotated and drives the first threaded rod to rotate, the movable plate drives the mounting plate and the winding rod to move towards the inside of the supporting and protecting frame along with the rotation of the first threaded rod, so that the connecting wire can be placed in the supporting and protecting frame, the connecting wire is wound on the winding rod in order, the environment of a test field is neat, the situation that one end of the connecting wire falls off from a wiring end of the test transformer main body when a person kicks the connecting wire is avoided, the voltage-withstand test can be smoothly carried out, the using effect is good, the connecting wire can be conveniently classified and placed after the test is finished, and the practicability is high;

2. rotate the handle through rotating the second, the second is changeed and is driven the second threaded rod and rotate, and the gusset plate drives the slipmat downstream along with the rotation of second threaded rod, and when slipmat and ground contact, the support protection frame will be firm fixed subaerial, the utility model discloses a set up the brake wheel for the removal of test transformer main part is comparatively simple and convenient, and comes to fix test transformer main part and support protection frame through gusset plate and slipmat, makes test transformer main part and support protection frame can comparatively stable place subaerial, is difficult for appearing gliding phenomenon.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of a three-dimensional sectional structure of the supporting and protecting frame of the present invention.

Fig. 3 is a schematic view of the three-dimensional structure of the mounting plate, the wire winding rod and the movable plate of the present invention.

Fig. 4 is a schematic view of the three-dimensional structure of the supporting and protecting frame of the present invention.

Fig. 5 is a schematic view of the three-dimensional structure of the reinforcing plate, the anti-slip pad and the second threaded rod of the present invention.

Description of the reference numerals:

the transformer testing device comprises a test transformer main body 1, a connecting wire 2, a supporting and protecting frame 3, a square groove with 4 openings, a mounting plate 5, a winding rod 6, a limiting block 7, a movable plate 8, a first threaded rod 9, a first rotating handle 10, a sliding chute 11T-shaped, a sliding block 12T-shaped, a brake wheel 13, a reinforcing plate 14, a movable groove 15, a non-slip mat 16, a second threaded rod 17 and a rotating handle 18.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the attached drawings.

The utility model provides a multi-frequency AC/DC power frequency withstand voltage test transformer as shown in FIGS. 1-4, comprising a test transformer main body 1 and three connecting wires 2, three connecting wires 2 with one end fixedly connected to three terminals on the test transformer main body 1, a support protective frame 3 arranged at the bottom end of the test transformer main body 1, an open square groove 4 arranged at one side of the support protective frame 3, a mounting plate 5 arranged on a side wall inside the support protective frame 3, the mounting plate 5 arranged at one side of the open square groove 4, three wire winding rods 6 fixedly arranged at the outer side of the mounting plate 5, one end of each wire winding rod 6 passing through the open square groove 4 and extending to one side of the support protective frame 3, a stop block 7 arranged at one end of each wire winding rod 6, a movable plate 8 arranged at the bottom end of the mounting plate 5, a bottom end of the movable plate 8 contacting with the inner bottom end of the support protective frame 3, a first threaded rod 9 arranged at one side of the support protective frame 3, a first threaded rod 9 arranged at the bottom end of the first threaded rod 9 arranged at the bottom of the support protective frame 6, a rotary shaft 9 connected to the support protective frame 3, a rotary shaft 10 connected to the first threaded rod 9, a rotary shaft 10 connected to the first rotary shaft 9 arranged at one side of the support protective frame 3, and a first rotary shaft 10, t-shaped sliding blocks 12 are arranged inside the T-shaped sliding grooves 11, and the top ends of the T-shaped sliding blocks 12 are fixedly connected with the bottom end of the movable plate 8.

The implementation mode specifically comprises the following steps: after one end of the connecting wire 2 is fixed on a wiring end on the upper part of the testing transformer main body 1, the connecting wire 2 with excessive length is wound on the outer end of the winding rod 6, then the other end of the connecting wire 2 is connected with a voltage-withstanding test material, so that the connecting wire 2 can not scatter on a test site, the test site is tidier, after the test is finished, the other end of the connecting wire 2 is wound on the winding rod 6, the first rotating handle 10 is rotated, the first rotating handle 10 drives the first threaded rod 9 to rotate, the movable plate 8 moves towards the inside of the supporting and protecting frame 3 along with the rotation of the first threaded rod 9 due to the threaded connection between the first threaded rod 9 and the movable plate 8, the movable plate 8 drives the mounting plate 5 and the winding rod 6 to move towards the inside of the supporting and protecting frame 3, and the connecting wire 2 can be placed inside the supporting and protecting frame 3, so that the connecting wire 2 can be placed in the supporting and protecting frame 3 conveniently, the utility model discloses a winding that is neat with connecting wire 2 on wire wrapping rod 6, make the environment at experimental scene comparatively clean and tidy, the condition that its one end drops from the wiring end of test transformer main part 1 when having avoided the people to play connecting wire 2 simultaneously appears, and then make going on that withstand voltage test can be smooth, excellent in use effect, and also be convenient for classify and place connecting wire 2 after experimental completion, the practicality is stronger, this embodiment has specifically solved the multi-frequency alternating current-direct current power frequency test transformer that exists among the prior art when testing withstand voltage material, the wire that its wiring end is connected scatters on the ground, make the environment at experimental scene clean and tidy inadequately like this, and the electric wire is played by the people easily, this can make the electric wire drop from the wiring end, influence going on of withstand voltage test, the not good enough problem of result of use.

The utility model provides a multi-frequency alternating current-direct current power frequency withstand voltage test transformer as shown in fig. 1, 2 and 5, 3 bottom fixings of support protective frame are equipped with four brake wheel 13, the side all is equipped with gusset plate 14 around the support protective frame 3, movable groove 15 has all been seted up to the side around the support protective frame 3, gusset plate 14 the inner extends into inside movable groove 15, the 15 bottom fixings in movable groove are equipped with slipmat 16, the side all is equipped with second threaded rod 17 around the support protective frame 3 tops, the 17 bottoms of second threaded rod are passed support protective frame 3 tops and gusset plate 14 and are extended to movable groove 15 inside, pass through threaded connection between second threaded rod 17 and the gusset plate 14, all rotate through the bearing between 17 both ends of second threaded rod and the movable groove 15 inner wall and be connected, the fixed second that is equipped with in second threaded rod 17 top changes 18.

The implementation mode is specifically as follows: when needing to use test transformer main part 1, promote to support protective frame 3 and just can remove test transformer main part 1, this makes test transformer main part 1's removal comparatively simple and convenient, when needs are fixed test transformer main part 1, rotate the second and change 18, the second is changeed 18 and is driven second threaded rod 17 and rotate, because threaded connection between second threaded rod 17 and the gusset plate 14, so gusset plate 14 moves down along with the rotation of second threaded rod 17, gusset plate 14 drives slipmat 16 downstream, when slipmat 16 and ground contact, support that protective frame 3 will stabilize and fix subaerial, the utility model discloses a set up brake wheel 13 for test transformer main part 1's removal is comparatively simple and convenient, and comes to fix test transformer main part 1 and support protective frame 3 through gusset plate 14 and slipmat 16, makes test transformer main part 1 and support protective frame 3 can comparatively stable place subaerial, is difficult for the gliding phenomenon appears.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive on the scope of the appended claims.

Claims

1. The utility model provides a multi-frequency alternating current-direct current power frequency withstand voltage test transformer, includes test transformer main part (1) and three connecting wire (2), it is three connecting wire (2) one end fixed connection is at the three wiring end on test transformer main part (1), its characterized in that: the bottom end of the test transformer main body (1) is provided with a supporting protective frame (3), the bottom end of the test transformer main body (1) is fixedly connected with the inner bottom end of the supporting protective frame (3), one side of the supporting protective frame (3) is provided with an opening square groove (4), one side wall of the inner part of the supporting protective frame (3) is provided with a mounting plate (5), the mounting plate (5) is arranged at one side of the opening square groove (4), the outer side of the mounting plate (5) is fixedly provided with three winding rods (6), one end of each winding rod (6) penetrates through the inner part of the opening square groove (4) and extends to one side of the supporting protective frame (3), the connecting wire (2) is wound at the outer end of each winding rod (6), one end of each winding rod (6) is fixedly provided with a limiting block (7), the bottom end of the mounting plate (5) is fixedly provided with a movable plate (8), the bottom end of each movable plate (8) is contacted with the inner bottom end of the supporting protective frame (3), one side of the supporting protective frame (3) is provided with a first threaded rod (9), one end of the first threaded rod (9) is arranged at the bottom of the bottom end of the supporting protective frame (3) and extends to one side of the supporting protective frame (3) through the first threaded rod (9) and is connected with the supporting bearing, the first threaded rod (9) is connected with the movable plate (8) through threads.

2. The multi-frequency AC/DC power frequency withstand voltage test transformer of claim 1, wherein: and a first rotating handle (10) is fixedly arranged at the other end of the first threaded rod (9), and the first rotating handle (10) is arranged on one side of the supporting and protecting frame (3).

3. The multi-frequency AC/DC power frequency withstand voltage test transformer of claim 1, wherein: t type spout (11) have been seted up to the inside bottom of support protective frame (3), establish in test transformer main part (1) one side in T type spout (11), T type spout (11) inside is equipped with T type slider (12), T type slider (12) top and fly leaf (8) bottom fixed connection.

4. The multi-frequency AC/DC power frequency withstand voltage test transformer of claim 1, wherein: four brake wheels (13) are fixedly arranged at the bottom end of the supporting and protecting frame (3).

5. The multi-frequency AC/DC power frequency withstand voltage test transformer of claim 1, wherein: the supporting and protecting frame is characterized in that reinforcing plates (14) are arranged on the front side and the rear side of the supporting and protecting frame (3), movable grooves (15) are formed in the front side and the rear side of the supporting and protecting frame (3), and the inner ends of the reinforcing plates (14) extend into the movable grooves (15).

6. The transformer of claim 5, wherein: the bottom end of the movable groove (15) is fixedly provided with an anti-skid pad (16).

7. The transformer of claim 5, wherein: the side all is equipped with second threaded rod (17) around supporting protective frame (3) top, second threaded rod (17) bottom is passed and is supported protective frame (3) top and gusset plate (14) and extend to movable groove (15) inside, pass through threaded connection between second threaded rod (17) and gusset plate (14), all rotate through the bearing between second threaded rod (17) both ends and the movable groove (15) inner wall and be connected, second threaded rod (17) top is fixed to be equipped with the second and changes (18).