Three-phase three-column amorphous alloy dry-type transformer assembling tool

Abstract

The utility model relates to a three-phase three-column amorphous alloy dry-type transformer assembling tool which comprises an assembling groove, a stainless steel plate and a supporting frame. The assembling groove comprises an upper bending plate and a lower bending plate, two iron cores or two stainless steel plates can be placed side by side according to the groove width of the assembling groove, the bottom of the upper bending plate is rotatably connected with the top of the lower bending plate, the thickness of the stainless steel plates is 0.5 mm, and the stainless steel plates are used for being placed in the upper bending plate after 2-3 layers of iron cores are placed in the upper bending plate; protruding transverse strips are arranged on the back of the assembling groove at intervals, and when the iron core is assembled, the supporting frame can select a certain transverse strip on the back of the upper bent plate for supporting so that the angle of the bent plate inclining to the ground can be adjusted. According to the scheme, the groove width of the assembling groove is increased until two groups of iron cores can be placed, so that the assembling efficiency is remarkably improved. A stainless steel plate with the thickness of 0.5 mm is used and can be completely placed at the root of the iron core in the assembling groove, it is guaranteed that the iron core is completely erected, the angle of the bent plate inclining to the ground is adjusted through the supporting frame, and the iron core is prevented from being embrittled when being flatly placed in the assembling groove.

Description

Technical Field

[0001] The utility model relates to the technical field of dry-type transformer assembly, in particular to an assembly tool for a three-phase three-column amorphous alloy dry-type transformer. Background Art

[0002] Transformers are one of the important equipment in the power system. Reducing transformer losses can save a lot of energy. Transformer losses are mainly iron loss and copper loss. Effectively reducing iron loss can make the transformer more efficient and energy-saving. The no-load loss of transformers made of amorphous alloy cores is about 75% lower than that of traditional oriented silicon steel sheet transformers. The energy-saving effect is very significant. The promotion and use of amorphous alloy transformers will effectively solve the problem of power loss during transmission.

[0003] The thickness of amorphous alloy is much smaller than that of ordinary silicon steel sheet, while the hardness of amorphous alloy is much greater than that of ordinary silicon steel sheet. This parameter property determines that amorphous alloy material is very easy to crack when subjected to force. Therefore, the transformer core made of amorphous alloy material has the disadvantages of extremely thin single sheet thickness, easy tilting, and unable to stand upright. In the assembly process of amorphous transformer, the core needs to be stood up, using assembly grooves and 1mm stainless steel plates. The specific operations are as follows:

[0004] 1) Use a tightening band to tie the lower bent plate of the assembly slot to the outside of the amorphous alloy core A and C columns, and the hinge position is 20-30mm higher than the amorphous alloy core column;

[0005] 2) The amorphous alloy core column is opened in sequence by two people. During the opening process, the core in the amorphous alloy core column is gently placed in the upper curved plate of the assembly slot to avoid the increase of fragments caused by external force;

[0006] 3) Place a 1mm thick stainless steel plate every 2-3 layers of iron core;

[0007] 4) When opening the inner core of the amorphous alloy core column, two people should cooperate to open the AB phase and BC phase core twice;

[0008] 5) Use a tightening band to tie up the outside of the assembly slot to prevent the core from turning outward;

[0009] 6) Use a crane to hang the assembly tooling (i.e., the tooling combination of the amorphous alloy core column and the assembly slot), and use wooden wedges to tighten the base of the assembly tooling until the assembly tooling is vertical to the ground;

[0010] 7) After the assembly tooling is erected, use fiberglass tape to tie and fix it, and then loosen the wooden wedges.

[0011] The disadvantages of the above techniques are as follows:

[0012] Disadvantage 1: The amorphous alloy core column has two groups of cores that need to be placed. The existing assembly slot is wide enough to only accommodate one core at a time. Using the assembly slot to assemble the AB phase and BC phase cores requires a total of four times of standing up, resulting in low efficiency.

[0013] Disadvantage 2: The 1mm thick stainless steel plate cannot be completely placed at the root of the core in the assembly groove due to its large thickness. The root of the core will bulge and cannot stand completely upright.

[0014] Disadvantage 3: When opening the iron core, the upper bent plate of the assembly slot must be placed flat on the table, and the placement angle of the assembly slot cannot be adjusted. Since the iron core is thin, the opened iron core is prone to brittle cracking when placed flat in the assembly slot. Utility Model Content

[0015] In order to solve the above problems in the prior art, the utility model provides an assembly tool for a three-phase three-column amorphous alloy dry-type transformer.

[0016] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include: a three-phase three-column amorphous alloy dry-type transformer assembly tool, including an assembly slot, a stainless steel plate and a support frame;

[0017] The assembly groove comprises an upper curved plate and a lower curved plate, the groove width of the assembly groove can place two iron cores or two stainless steel plates side by side, the bottom of the upper curved plate is rotatably connected to the top of the lower curved plate, the thickness of the stainless steel plate is 0.5 mm, and the stainless steel plate is used to be placed in the upper curved plate after 2 to 3 layers of iron cores are placed in it;

[0018] The back of the assembly groove is provided with raised horizontal bars at intervals. When assembling the core, the support frame can select a horizontal bar on the back of the upper bent plate for support to adjust the angle of the bent plate to the ground.

[0019] The beneficial effects of the utility model are:

[0020] 1. Compared with the existing assembly slot, the slot width of the assembly slot is increased to accommodate two sets of cores, and the AB phase and BC phase cores only need to be stood up once respectively, which significantly improves the assembly efficiency.

[0021] 2. Use 0.5mm thick stainless steel plate, which can be completely placed at the root of the iron core in the assembly groove. After placing 0.5mm thick stainless steel plate every 2-3 layers, it can ensure that the iron core stands up completely.

[0022] 3. Compared with the prior art, which uses a table to place the upper bent plate in the assembly slot horizontally, the placement inclination angle of the assembly slot cannot be adjusted, and the iron core is prone to brittle cracking when placed horizontally in the assembly slot. In addition, a table is required on both sides of the amorphous alloy iron core column to place the upper bent plate, which occupies a large space. This solution can select a horizontal bar on the back of the upper bent plate for support through the support frame to adjust the angle of the bent plate to the ground, avoiding brittle cracking of the iron core when placed horizontally in the assembly slot. At the same time, the support frame occupies a small space, and after the assembly process is completed, the support frame can be placed in the tooling storage area.

[0023] Preferably, the support frame comprises a chassis, a lower support and an upper support;

[0024] The lower bracket is fixed on the chassis, and a plurality of first screw holes are provided at intervals on the top of the side wall of the lower bracket, and a plurality of second screw holes matching with the first screw holes are provided at intervals on the side wall of the upper bracket. The lower bracket and the upper bracket are selectively screwed to the first screw holes and the second screw holes by bolts to adjust the overall height of the support frame.

[0025] From the above description, it can be seen that the upper bracket and the lower bracket are screwed to the first screw hole and the second screw hole through bolts, so that the overall height of the support frame can be adjusted according to needs, thereby improving the applicability of different scenarios.

[0026] Preferably, the chassis is a cross-shaped structure.

[0027] From the above description, it can be seen that the chassis is designed to be a cross-shaped structure, which can ensure the supporting stability of the chassis.

[0028] Preferably, the lower brackets are respectively fixed to two sides of the top of the chassis.

[0029] It can be seen from the above description that the stability of the assembly slot support is ensured by the lower bracket and the upper bracket on both sides. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is an exploded view of an assembly tool for a three-phase three-column amorphous alloy dry-type transformer of the utility model;

[0031] Figure 2 It is a schematic diagram of the matching state of a three-phase three-column amorphous alloy dry-type transformer assembly tool of the utility model;

[0032] Figure 3 It is a rear view of the assembly slot of the utility model;

[0033] Figure 4 It is a structural schematic diagram of placing the upper curved plate of the hoisting assembly groove on the support frame and adjusting the tilt state of the upper curved plate in the first embodiment;

[0034] Figure 5This is a schematic diagram of the structure in which the assembly tool is perpendicular to the ground in the first embodiment;

[0035] Description of reference numerals:

[0036] 1. Assembly groove; 101. Upper curved plate; 102. Lower curved plate; 103. Horizontal bar;

[0037] 2. Stainless steel plate;

[0038] 3. Support frame; 301. Chassis; 302. Lower bracket; 303. Upper bracket; 3031. Second screw hole;

[0039] 4. Amorphous alloy core column;

[0040] 5. Fiberglass tape. DETAILED DESCRIPTION

[0041] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation modes in conjunction with the accompanying drawings.

[0042] Embodiment 1

[0043] Please refer to Figures 1 to 5 As shown, a three-phase three-column amorphous alloy dry-type transformer assembly tool includes an assembly slot 1, a stainless steel plate 2 and a support frame 3;

[0044] The assembly groove 1 includes an upper curved plate 101 and a lower curved plate 102. The groove width of the assembly groove 1 can place two iron cores or two stainless steel plates 2 side by side. The bottom of the upper curved plate 101 and the top of the lower curved plate 102 are rotatably connected by installing hinges. The thickness of the stainless steel plate 2 is 0.5 mm. The stainless steel plate 2 is used to be placed in the upper curved plate 101 after 2 to 3 layers of iron cores are placed therein;

[0045] The back of the assembly groove 1 is provided with raised horizontal bars 103 at intervals. When assembling the core, the support frame 3 can select a horizontal bar 103 on the back of the upper bent plate 101 for support to adjust the angle of the bent plate to the ground.

[0046] In this embodiment, the support frame 3 includes a chassis 301, a lower support 302 and an upper support 303;

[0047] The lower bracket 302 is fixed on the chassis 301, and a plurality of first screw holes are spaced apart on the top of the side wall of the lower bracket 302, and a plurality of second screw holes 3031 matching with the first screw holes are spaced apart on the side wall of the upper bracket 303. The lower bracket 302 and the upper bracket 303 are screwed together by bolts through the first screw holes and the second screw holes 3031 to adjust the overall height of the support frame 3.

[0048] In this embodiment, the chassis 301 is a cross-shaped structure.

[0049] In this embodiment, the lower bracket 302 is fixed to two sides of the top of the chassis 301 respectively.

[0050] The working principle of this embodiment is as follows:

[0051] 1) Referring to FIG. 4 , use a tightening belt to tie the lower bent plate 102 of the assembly slot 1 to the outside of the amorphous alloy core A and C columns, with the hinge position being 420-30 mm higher than the amorphous alloy core column.

[0052] 2) Referring to FIG. 4 , place the upper curved plate 101 of the hoisting assembly slot 1 on the support frame 3 , and adjust the inclination angle of the upper curved plate 101 to about 30°.

[0053] 3) The amorphous alloy core column 4 is opened in sequence by two persons;

[0054] 4) Place a 0.5mm thick stainless steel plate 2 every 2-3 layers;

[0055] 5) When opening the inner core of the amorphous alloy core column 4, two people cooperate to open the AB phase and BC phase cores twice, and put the cores into the assembly slot 1 in turn;

[0056] 6)Reference Figure 5 As shown, a tightening band is used to tie up the outside of the assembly slot 1 to prevent the core therein from turning outward;

[0057] 7)Reference Figure 5 As shown, use a crane to hang the assembly tool, and use wooden wedges to tighten the root of the core until the assembly tool is vertical to the ground.

[0058] 8) After the iron core is erected, it is tied and fixed with a glass fiber tape 5, and the wooden wedge is loosened after being fixed.

[0059] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A three-phase three-column amorphous alloy dry-type transformer assembly tool, characterized in that: Includes mounting slot, stainless steel plate and support frame; The assembly groove comprises an upper curved plate and a lower curved plate, the groove width of the assembly groove can place two iron cores or two stainless steel plates side by side, the bottom of the upper curved plate is rotatably connected to the top of the lower curved plate, the thickness of the stainless steel plate is 0.5 mm, and the stainless steel plate is used to be placed in the upper curved plate after 2 to 3 layers of iron cores are placed in it; The back of the assembly groove is provided with raised horizontal bars at intervals. When assembling the core, the support frame can select a horizontal bar on the back of the upper bent plate for support to adjust the angle of the bent plate to the ground.

2. The three-phase three-column amorphous alloy dry-type transformer assembly tool according to claim 1 is characterized in that: The support frame includes a chassis, a lower bracket and an upper bracket; The lower bracket is fixed on the chassis, and a plurality of first screw holes are provided at intervals on the top of the side wall of the lower bracket, and a plurality of second screw holes matching with the first screw holes are provided at intervals on the side wall of the upper bracket. The lower bracket and the upper bracket are screwed together by bolts through the first screw holes and the second screw holes to adjust the overall height of the support frame.

3. The three-phase three-column amorphous alloy dry-type transformer assembly tool according to claim 2 is characterized in that: The chassis is a cross-shaped structure.

4. The three-phase three-column amorphous alloy dry-type transformer assembly tool according to claim 2 is characterized in that: The lower brackets are respectively fixed to two sides of the top of the chassis.

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