CN103887058A

CN103887058A - Method for assembling transformer body and transformer body structure

Info

Publication number: CN103887058A
Application number: CN201410103401.XA
Authority: CN
Inventors: 许凯旋; 郭献清; 梁庆宁; 梁毅雄
Original assignee: GUANGDONG HAIHONG TRANSFORMER CO Ltd
Current assignee: GUANGDONG HAIHONG TRANSFORMER CO Ltd
Priority date: 2014-03-19
Filing date: 2014-03-19
Publication date: 2014-06-25
Anticipated expiration: 2034-03-19
Also published as: CN103887058B

Abstract

The invention discloses a method for assembling a transformer body. The method comprises the first step of preparing an iron core, the second step of arranging an installing track on the iron core according to a gap between the iron core and a coil, the third step of arranging the coil on the iron core in a sleeved or winding mode, the fourth step of installing a fastening device with a groove between the iron core and the coil along the installing track, the fifth step of injecting a curing agent from the groove of the fastening device until all gaps of the groove of the fastening device is filled with the curing agent, the sixth step of finishing assembling after the curing agent is completely dried and solidified. According to the method for assembling the transformer body, the coil and the iron core can be effectively prevented from relative loosening when transformer products are transported or operated, the safety and reliability of a transformer are ensured; the transformer body structure is especially suitable for a transformer with a three-dimensional roll iron core or an amorphous alloy structure, and the requirement for fastening between the iron core and the coil of the transformer with the three-dimensional roll iron core and the amorphous alloy structure is met.

Description

A kind of assembly method of transformer body and structure of transformer body thereof

Technical field

The present invention relates to field transformer, is the assembly method of transformer body specifically, and structure of transformer body.

Background technology

Iron core and coil are as the important core component of transformer, their performance directly determines the performance of power transformer product, but transformer is in transport or running, it is unshakable in one's determination that easily appearance is loosening with coil, for ensureing the safety and reliability of power transformer product, between iron core and coil, must completely fasteningly reliably can not produce relative loosening, in traditional structure of transformer body, great majority adopt in the space between iron core and coil and insert insulating stay, the shortcoming of bringing is like this exactly that stay directly pushes iron core and coil, finally may cause unshakable in one's determination and coil is impaired and affect the performance of transformer, particularly high voltage, jumbo product, or structure and the special product of material, such as 110kv and above product, three dimensional wound core structure or non-crystaline amorphous metal product etc., its property makes the requirement of transformer body higher, the particularity of volume core construction, make iron yoke and stem connect together and cause the stem of iron yoke bottom and the space of coil can not insert stay, and the particularity of non-crystaline amorphous metal self material, can not be subject to the thrust of stay, therefore traditional structure of transformer body can not meet the demands, be further improved and optimize.

Summary of the invention

In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of assembly method of transformer body, and structure of transformer body, it can effectively prevent that power transformer product is unshakable in one's determination relative loosening with coil appearance in transport or running, has well ensured the safety and reliability of transformer.

The technical solution adopted for the present invention to solve the technical problems is:

An assembly method for transformer body, comprises the steps:

1), prepare iron core;

2), according to the pore size between iron core and coil, attachment rail is set on iron core;

3), suit or coiling on iron core;

4), the fastener with groove is arranged between iron core and coil along described attachment rail;

5), curing agent is injected in the groove of fastener, until curing agent is filled the fluted gap of fastener;

6), after solidifying, curing agent bone dry completes assembling.

As the improvement of technique scheme, after step 6) curing agent is dry, install respectively in coil top and bottom, lower clamping piece, between upper and lower folder, strain by stretching screw.

As the further improvement of technique scheme, after step 4), seal up shrouding with closed pockets bottom in the bottom of fastener.

The structure of transformer body that utilizes above-mentioned assembly method to obtain, comprise iron core and coil, on described iron core, be fixedly installed attachment rail, attachment rail, between iron core and coil, is provided with fastener in described attachment rail, and described fastener is provided with at least two grooves, wherein at least one groove adjacent coils, the contiguous described iron core of at least one groove, is injected with curing agent in described groove, and described iron core and coil are combined into an entirety by described curing agent.

As the improvement of technique scheme, on the upper and lower end face of described coil, be respectively arranged with upper clamping piece and lower clamping piece, described upper and lower folder connects by stretching screw, tightens stretching screw and makes described upper and lower folder coil pressing.

As the further improvement of technique scheme, described upper and lower folder is crimped on the end face of described coil by pressing plate.

Further, the bottom of described groove is provided with the shrouding of avoiding curing agent to flow out.

The invention has the beneficial effects as follows: adopt the present invention of said structure, by be fixedly installed attachment rail on iron core, fastener with groove is installed in attachment rail, in the groove of fastener, inject curing agent, after curing agent dry solidification, unshakable in one's determination and coil well can be combined, avoid in the space of unshakable in one's determination and coil, arranging in conventional art the structure of stay, unshakable in one's determination and coil is well combined into an entirety, effectively prevent that power transformer product from occurring between transport or running coil and iron core relatively loosening, guarantee the safety and reliability of transformer, structure of transformer body of the present invention is specially adapted to the transformer of three dimensional wound core or non-crystaline amorphous metal structure, has met three dimensional wound core and non-crystaline amorphous metal structure transformer to the fastening requirement between iron core and coil, the simple and reasonable compactness of the present invention, enforcement facilitate, cost is low, are applicable on range transformer.

Brief description of the drawings

Fig. 1 is structural representation of the present invention;

Fig. 2 is the partial enlarged drawing of A in Fig. 1;

Fig. 3 is cutaway view of the present invention;

Fig. 4 is that the present invention hides the structural representation after upper and lower folder.

Embodiment

Below in conjunction with drawings and Examples, the present invention is further detailed explanation.

With reference to Fig. 1 ~ Fig. 4, a kind of structure of transformer body of the present invention, comprise iron core 1 and coil 2, on described unshakable in one's determination 1, be fixedly installed attachment rail 3, attachment rail 3 can be bonded on the outer wall of iron core 1 by binding agent, attachment rail 3 is along the axial trend of iron core 1, attachment rail 3 is between iron core 1 and coil 2, in described attachment rail 3, be provided with fastener 4, described fastener 4 is provided with at least two grooves 41, wherein at least one groove 41 adjacent coils 2, at least one groove 41 contiguous described unshakable in one's determination 1, in described groove 41, be injected with curing agent 9, described curing agent 9 by described unshakable in one's determination 1 and coil 2 be combined into an entirety.

For avoiding uncured curing agent to flow away from the bottom of groove 41, can be provided with in the bottom of described groove 41 shrouding (not illustrating) of avoiding curing agent to flow out, also can directly mold blind end in the bottom of groove 41.

In the present embodiment, on the upper and lower end face of preferred described coil 2, be respectively arranged with upper clamping piece 5 and lower clamping piece 6, described upper and

lower folder

5,6 connects by stretching screw 7, tighten stretching screw 7 and make described upper and

lower folder

5,6 coil pressings 2, by upper clamping piece 5 and lower clamping piece 6 are set, upper clamping piece 5 and lower clamping piece 6 are strained by stretching screw 7, make upper clamping piece 5 and lower clamping piece 6 coil pressings 2, so just can further ensure the clamping degree of coil 2, thereby be conducive to avoid occur between coil 2 and unshakable in one's determination 1 relative loosening.

For ensureing the electrical distance between coil 2 and folder, upper clamping piece 5 and lower clamping piece 6 can not directly be pressed on coil 2, and described in the present embodiment, upper and

lower folder

5,6 is crimped on the end face of described coil 2 by pressing plate 8.

The assembly method of above-mentioned transformer body, comprises the steps:

1), to prepare unshakable in one's determination 1, unshakable in one's determination 1 can be common iron core, can be also three dimensional wound core, can also be amorphous alloy material iron core;

2), according to unshakable in one's determination 1 with coil 2 between pore size, on unshakable in one's determination 1, attachment rail 3 is set, unshakable in one's determination 1 and coil 2 between the size of pore size decision attachment rail 3.

3), suit or coiling 2 on unshakable in one's determination 1;

4), the fastener with groove 41 4 is arranged between iron core 1 and coil 2 along described attachment rail 3;

5) the interior injection of groove 41, by curing agent from fastener 4, until curing agent is filled the fluted gap of fastener 4, for avoiding uncured curing agent to flow out, can seal up shrouding in the bottom of fastener 4, with closed pockets 41 bottoms;

6), after solidifying, curing agent bone dry completes assembling.

In the present embodiment, after step 6) curing agent is dry, at coil 2 tops with install respectively bottom,

lower clamping piece

5,6, between upper and

lower folder

5,6, strain by stretching screw 7, by upper clamping piece 5 and lower clamping piece 6 are set, upper clamping piece 5 and lower clamping piece 6 are strained by stretching screw 7, make upper clamping piece 5 and lower clamping piece 6 coil pressings 2, so just can further ensure the clamping degree of coil 2, thereby be conducive to avoid occur between coil 2 and unshakable in one's determination 1 relative loosening.

Adopt the present invention of said structure, by be fixedly installed attachment rail 3 on unshakable in one's determination 1, fastener 4 with groove structure is installed in attachment rail 3, in the groove 41 of fastener 4, inject curing agent 9, after curing agent dry solidification, iron core 1 and coil 2 well can be combined, avoid in the space of iron core 1 and coil 2, arranging in conventional art the structure of stay, iron core 1 and coil 2 are well combined into an entirety, effectively prevent that power transformer product from occurring between transport or running coil and iron core relatively loosening, guarantee the safety and reliability of transformer, structure of transformer body of the present invention is specially adapted to the transformer of three dimensional wound core or non-crystaline amorphous metal structure, has met three dimensional wound core and non-crystaline amorphous metal structure transformer to the fastening requirement between iron core and coil, the simple and reasonable compactness of the present invention, enforcement facilitate, cost is low, are applicable on range transformer.

The above, be preferred embodiments of the present invention, but the present invention is not limited to above-described embodiment, as long as it reaches technique effect of the present invention with any same or similar means, within all should falling into protection scope of the present invention.

Claims

1. an assembly method for transformer body, is characterized in that, comprises the steps:

1), prepare (1) unshakable in one's determination;

2), according to the pore size between unshakable in one's determination (1) and coil (2), on iron core (1), attachment rail (3) is set;

3), at (1) unshakable in one's determination upper suit or coiling (2);

4), the fastener with groove (41) (4) is arranged between iron core (1) and coil (2) along described attachment rail (3);

5), curing agent is injected in the groove (41) of fastener (4), until curing agent is filled the fluted gap of fastener (4);

6), after solidifying, curing agent bone dry completes assembling.

2. the assembly method of a kind of transformer body according to claim 1, it is characterized in that: after step 6) curing agent is dry, at coil (2) top with install respectively bottom, lower clamping piece (5,6), between upper and lower folder (5,6) by stretching screw (7) tension.

3. the assembly method of a kind of transformer body according to claim 1 and 2, is characterized in that: after step 4), seal up shrouding with closed pockets (41) bottom in the bottom of fastener (4).

4. the structure of transformer body that utilizes above-mentioned assembly method to obtain, comprise iron core (1) and coil (2), it is characterized in that: on described iron core (1), be fixedly installed attachment rail (3), attachment rail (3) is positioned between iron core (1) and coil (2), in described attachment rail (3), be provided with fastener (4), described fastener (4) is provided with at least two grooves (41), wherein at least one groove (41) adjacent coils (2), the contiguous described iron core of at least one groove (41) (1), described groove is injected with curing agent in (41), described iron core (1) and coil (2) are combined into an entirety by described curing agent.

5. structure of transformer body according to claim 4, it is characterized in that: on the upper and lower end face of described coil (2), be respectively arranged with upper clamping piece (5) and lower clamping piece (6), described upper and lower folder (5,6) connects by stretching screw (7), tightens stretching screw (7) and makes described upper and lower folder (5,6) coil pressing.

6. structure of transformer body according to claim 5, is characterized in that: described upper and lower folder (5,6) is crimped on the end face of described coil (2) by pressing plate (8).

7. structure of transformer body according to claim 4, is characterized in that: the bottom of described groove (41) is provided with the shrouding of avoiding curing agent to flow out.