Oil-immersed amorphous alloy transformer oil tank

Abstract

The utility model relates to the technical field of transformers, in particular to an oil-immersed amorphous alloy transformer oil tank which comprises a tank body, a plurality of sets of installation frames are fixedly connected to the bottom of the tank body, a cover plate is arranged on the top of the tank body, a plurality of sets of hanging rings are fixedly connected to the top of the cover plate, and a plurality of sets of hanging lugs are fixedly connected to the outer side of the tank body. The outer side of the box body is provided with a plurality of groups of cooling fins, the box body is provided with a dismounting and mounting assembly which is convenient for dismounting and mounting the cover plate, and the box body is provided with a maintenance assembly which is convenient for maintaining and replacing the cooling fins. During maintenance, the moving block can be quickly separated from the connecting block, so that the cover plate can be conveniently lifted through the lifting ring, and the internal maintenance efficiency of the transformer is greatly improved; during installation, the moving block enters the inner cavity of the connecting block, the cover plate is tightly pressed on the top of the box body under the action of the inclined plane, operation is simple and efficient, and workers can overhaul and maintain the interior of the transformer conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer technical field, concretely is a kind of oil-immersed amorphous alloy transformer oil tank. BACKGROUND

[0002] In modern power system architecture, transformer as core pivot equipment, its performance and the degree of convenience of maintenance, the stability of entire electric power network, efficient operation plays a decisive role. Oil-immersed transformer uses oil as insulation and heat dissipation medium, by its excellent insulation performance and good heat dissipation effect, widely used in power transmission and distribution field.

[0003] The cover plate of traditional transformer oil tank is usually connected with tank by bolt, this connection mode when needing to overhaul, maintenance to transformer interior, staff needs to spend a lot of time and effort to dismantle numerous bolts one by one, operation process is tedious, inconvenient to disassemble. Once bolt appears rust, wire sliding etc., disassembly difficulty is greatly increased, seriously affect overhaul efficiency.

[0004] In order to simply and efficiently dismount the cover plate of transformer oil tank, facilitate staff to overhaul, maintenance to transformer interior, guarantee overhaul efficiency, we propose a kind of oil-immersed amorphous alloy transformer oil tank. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of prior art, the utility model provides an oil-immersed amorphous alloy transformer oil tank, which can simply and efficiently dismount the cover plate of transformer oil tank, facilitate staff to overhaul, maintenance to transformer interior, guarantee overhaul efficiency.

[0006] To achieve the above object, the utility model is realized by the following technical schemes:

[0007] An oil-immersed amorphous alloy transformer oil tank, comprising a tank body, a plurality of groups of mounting racks are fixedly connected to the bottom of the tank body, a cover plate is arranged at the top of the tank body, a plurality of groups of lifting rings are fixedly connected to the top of the cover plate, a plurality of groups of hanging ears are fixedly connected to the outer side of the tank body, a plurality of groups of cooling fins are arranged on the outer side of the tank body, a dismounting assembly for facilitating the dismounting of the cover plate is installed on the tank body, and a maintenance assembly for facilitating the maintenance and replacement of the cooling fins is installed on the tank body.

[0008] The disassembly assembly comprises a plurality of groups of mounting blocks fixedly connected to the side of the box body, two groups of threaded sleeves slidingly arranged in the mounting blocks, and moving blocks fixedly connected to the ends of the two groups of threaded sleeves away from each other.

[0009] Preferably, the adjusting mechanism comprises a rotating rod, the rotating rod rotatingly penetrating through the mounting block, a transmission bevel gear fixedly connected to the top of the rotating rod, two groups of adjusting screws rotatingly arranged on the mounting block, the adjusting screws threadedly penetrating into the threaded sleeves, rotating bevel gears fixedly connected to the ends of the adjusting screws close to the rotating rod, the rotating bevel gears meshing with the transmission bevel gear, a second driven bevel gear fixedly sleeved outside the rotating rod, a connecting cover fixedly connected to the bottom of the mounting block, a driving rod rotatingly penetrating through the connecting cover, a second driving bevel gear fixedly connected to the end of the driving rod close to the box body, the second driving bevel gear meshing with the second driven bevel gear, and a limiting mechanism limiting the position of the driving rod arranged on the driving rod.

[0010] Preferably, the limiting mechanism comprises a limiting cylinder, the limiting cylinder slidingly sleeving outside the driving rod, a limiting disc fixedly sleeving outside the limiting cylinder, a plurality of limiting blocks fixedly connected to the side of the limiting disc close to the connecting cover, a plurality of limiting holes matching the limiting blocks arranged on the connecting cover, and a threaded cylinder rotatingly connected to the end of the limiting cylinder away from the connecting cover, the threaded cylinder being threadedly connected with the driving rod.

[0011] Preferably, the maintenance assembly comprises a plurality of groups of mounting frames fixedly connected to the outer wall of the box body, a bidirectional screw rod rotatingly arranged on the inner wall of the mounting frame, two groups of lifting blocks slidingly arranged on the inner wall of the mounting frame, the bidirectional screw rod threadedly penetrating through the lifting blocks, two groups of positioning rods fixedly connected to the lifting blocks, a plurality of positioning grooves matching the heat dissipation fins arranged on the positioning rods, a plurality of positioning plates fixedly connected to the side of the box body, an insertion groove matching the heat dissipation fins formed between the two groups of positioning plates, and a driving mechanism driving the lifting blocks to move up and down arranged on the mounting frame.

[0012] Preferably, the driving mechanism comprises a first driven bevel gear fixedly sleeving outside the bidirectional screw rod, a connecting rod rotatingly penetrating through the mounting frame, a first driving bevel gear fixedly connected to the end of the connecting rod close to the box body, and the first driving bevel gear meshing with the first driven bevel gear.

[0013] Preferably, the limiting cylinder inner wall is fixedly connected with a plurality of groups of sliding strips, a plurality of groups of sliding grooves matched with the sliding strips are formed on the driving rod, and the sliding strips and the sliding grooves are in sliding connection.

[0014] Advantages

[0015] The oil-immersed amorphous alloy transformer oil tank has the following advantages compared with the prior art:

[0016] 1. The oil-immersed amorphous alloy transformer oil tank, when overhauled, the moving block can be quickly separated from the connecting block, so that the cover plate can be conveniently lifted through the lifting ring, and the internal overhauling efficiency of the transformer is greatly improved; when installed, the moving block enters the inner cavity of the connecting block, and the cover plate is tightly pressed against the top of the tank body by the action of the inclined surface, which is simple and efficient, and greatly facilitates the overhauling and maintenance of the transformer by the staff.

[0017] 2. The oil-immersed amorphous alloy transformer oil tank, when the heat dissipation fins are maintained and replaced, the connecting rod is rotated to drive a series of bevel gears and bidirectional screws to rotate, so that the lifting block and the positioning rod are mutually far away or close to each other. The heat dissipation fins can be conveniently taken out from the insertion slot for maintenance, and after maintenance, the heat dissipation fins can be accurately clamped between the positioning rods and fixed by the insertion slot, thereby reducing the difficulty of maintenance and replacement of the heat dissipation fins, reducing the consumption of manpower and material resources, and ensuring the heat dissipation performance of the transformer. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view structural schematic diagram of the main body of the utility model;

[0019] Figure 2 It is a sectional view structural schematic diagram of the main body of the utility model;

[0020] Figure 3 It is an explosion structural schematic diagram of the maintenance assembly of the utility model;

[0021] Figure 4 It is an explosion structural schematic diagram of the dismounting assembly of the utility model;

[0022] Figure 5 It is a sectional view structural schematic diagram of the main body of the utility model; Figure 2 It is an enlarged schematic diagram of structure A of the utility model.

[0023] In the figure: 1, box; 2, fin; 3, mounting bracket; 4, cover plate; 5, ear; 6, lifting ring; 7, connecting block; 8, mounting block; 9, positioning rod; 10, lifting block; 11, bidirectional screw; 12, mounting frame; 13, first driving bevel gear; 14, first driven bevel gear; 15, positioning plate; 16, connecting rod; 17, connecting cover; 18, rotating rod; 19, second driven bevel gear; 20, limiting disc; 21, limiting cylinder; 22, threaded sleeve; 23, second driving bevel gear; 24, driving rod; 25, moving block; 26, threaded sleeve; 27, adjusting screw; 28, rotating bevel gear; 29, transmission bevel gear. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: an oil-immersed amorphous alloy transformer oil tank, including box 1, the bottom of box 1 is fixedly connected with several groups of mounting bracket 3, the top of box 1 is provided with cover plate 4, the top of cover plate 4 is fixedly connected with several groups of lifting ring 6, the outside of box 1 is fixedly connected with several groups of ear 5, the outside of box 1 is provided with several groups of fin 2, box 1 is installed with the dismounting assembly of cover plate 4 for facilitating dismounting, box 1 is installed with the maintenance assembly for facilitating the maintenance replacement of fin 2;

[0026] Dismounting assembly includes several groups of mounting block 8, mounting block 8 is fixedly connected on the side of box 1, two groups of threaded sleeves 26 are slidably arranged in mounting block 8, the end of two groups of threaded sleeves 26 away from each other is fixedly connected with moving block 25, the bottom of cover plate 4 is fixedly connected with several groups of connecting block 7, the side of connecting block 7 close to mounting block 8 is abutted with mounting block 8, the bottom of moving block 25 is provided with first inclined surface, the inner chamber of connecting block 7 is provided with second inclined surface matched with first inclined surface, mounting block 8 is installed with adjusting mechanism for adjusting the distance between two groups of moving block 25.

[0027] When the transformer needs to be repaired, the two groups of moving blocks 25 are adjusted to approach each other by the adjusting mechanism until the moving blocks 25 are separated from the connecting blocks 7 and move into the inner cavity of the mounting blocks 8. At this time, the cover plate 4 can be directly lifted by the lifting ring 6, and the inside of the transformer can be repaired. After the repair is completed, the cover plate 4 is placed on the box body 1 and the connecting blocks 7 are aligned with the mounting blocks 8. The two groups of moving blocks 25 are controlled to move away from each other, and the moving blocks 25 move into the inner cavity of the connecting blocks 7. With the movement of the moving blocks 25, under the action of the first inclined surface and the second inclined surface, the connecting blocks 7 drive the cover plate 4 to gradually descend, so that the cover plate 4 is tightly pressed on the top of the box body 1, and the installation of the cover plate 4 is completed. Thus, the cover plate 4 of the transformer oil tank can be simply and efficiently disassembled and assembled, which is convenient for the staff to repair and maintain the inside of the transformer and ensures the repair efficiency.

[0028] The adjusting mechanism comprises a rotating rod 18, the rotating rod 18 is rotatably arranged through the mounting block 8, the top of the rotating rod 18 is fixedly connected with a transmission bevel gear 29, two groups of adjusting screws 27 are rotatably arranged on the mounting block 8, the adjusting screws 27 are threadedly arranged in the threaded sleeves 26, the end of the adjusting screw 27 close to the rotating rod 18 is fixedly connected with a rotating bevel gear 28, the rotating bevel gear 28 is engaged with the transmission bevel gear 29, a second driven bevel gear 19 is fixedly arranged outside the rotating rod 18, a connecting cover 17 is fixedly connected to the bottom of the mounting block 8, a driving rod 24 is rotatably arranged through the connecting cover 17, a second driving bevel gear 23 is fixedly connected to the end of the driving rod 24 close to the box body 1, the second driving bevel gear 23 is engaged with the second driven bevel gear 19, and a limiting mechanism for limiting the position of the driving rod 24 is arranged on the driving rod 24.

[0029] The rotating driving rod 24 drives the second driving bevel gear 23 to rotate, the second driven bevel gear 19 drives the rotating rod 18 to rotate, the transmission bevel gear 29 rotates, the rotating bevel gear 28 drives the adjusting screw 27 to rotate, and under the action of the threaded sleeve 26, the two groups of moving blocks 25 approach or move away from each other with the rotation of the adjusting screw 27.

[0030] The limiting mechanism comprises a limiting cylinder 21, the limiting cylinder 21 is slidably arranged outside the driving rod 24, a limiting disc 20 is fixedly arranged outside the limiting cylinder 21, a plurality of limiting blocks are fixedly connected to the side of the limiting disc 20 close to the connecting cover 17, a plurality of limiting holes matched with the limiting blocks are arranged on the connecting cover 17, a threaded cylinder 22 is rotatably connected to the end of the limiting cylinder 21 away from the connecting cover 17, threads are arranged on the driving rod 24, and the threaded cylinder 22 is threadedly connected with the driving rod 24.

[0031] After installation, manually rotate the threaded cylinder 22 to drive the limiting cylinder 21, the limiting disc 20 and the limiting block to slide outside the drive rod 24, so that the limiting disc 20 gradually approaches the connecting cover 17 until the limiting block is inserted into the limiting hole, and then the drive rod 24 cannot be rotated, thereby avoiding rotation of the drive rod 24 due to personnel misoperation or other external forces, and ensuring that the cover plate 4 is stably installed on the box body 1.

[0032] The maintenance assembly comprises a plurality of installation frames 12 fixedly connected to the outer wall of the box body 1, a double-direction screw rod 11 rotatably installed on the inner wall of the installation frame 12, two groups of lifting blocks 10 slidably installed on the inner wall of the installation frame 12, the double-direction screw rod 11 threadedly penetrating through the lifting blocks 10, two groups of positioning rods 9 fixedly connected to the lifting blocks 10, a plurality of positioning grooves matched with the heat dissipation fins 2 formed on the positioning rods 9, a plurality of positioning plates 15 fixedly connected to the side surface of the box body 1, an insertion slot matched with the heat dissipation fins 2 formed between the two groups of positioning plates 15, and a drive mechanism installed on the installation frame 12 and configured to drive the lifting blocks 10 to move up and down.

[0033] The drive mechanism comprises a first driven bevel gear 14 fixedly sleeved on the double-direction screw rod 11, a connecting rod 16 rotatably penetrating through the installation frame 12, a first drive bevel gear 13 fixedly connected to one end of the connecting rod 16 close to the box body 1, and the first drive bevel gear 13 engaged with the first driven bevel gear 14.

[0034] When the heat dissipation fins 2 need to be maintained or replaced, the connecting rod 16 is rotated to drive the first drive bevel gear 13 to rotate, so that the first driven bevel gear 14 is rotated to drive the double-direction screw rod 11 to rotate, drive the two groups of lifting blocks 10 to move away from each other, and drive the positioning rods 9 to move away from each other, at this time, the heat dissipation fins 2 can be pulled out of the insertion slot for maintenance or replacement, after maintenance, the connecting rod 16 is reversely rotated to drive the positioning rods 9 to move close to each other, so that the heat dissipation fins 2 are clamped between the positioning rods 9, and the position of the heat dissipation fins 2 is fixed through cooperation with the insertion slot, and the positioning grooves can prevent the heat dissipation fins 2 from being deflected.

[0035] A plurality of sliding strips are fixedly connected to the inner wall of the limiting cylinder 21, and a plurality of sliding grooves matched with the sliding strips are formed on the drive rod 24.

[0036] Working principle: rotating the drive rod 24 drives the second driving bevel gear 23 to rotate, which drives the second driven bevel gear 19 to rotate, and then drives the rotating rod 18 to rotate, and then drives the transmission bevel gear 29 to rotate, which drives the adjusting screw 27 to rotate through the rotating bevel gear 28, and then drives the two groups of moving blocks 25 to move closer to or farther away from each other under the action of the threaded sleeve 26. When maintenance is needed, the two groups of moving blocks 25 are adjusted to move closer to each other through the adjusting mechanism, until the moving blocks 25 move into the inner cavity of the mounting block 8 and are separated from the connecting block 7, at this time the cover plate 4 can be directly lifted through the lifting ring 6, and the inside of the transformer can be maintained, after the maintenance is completed, the cover plate 4 is placed on the box body 1 and the connecting block 7 is aligned with the mounting block 8, the two groups of moving blocks 25 are moved away from each other through the control of the adjusting assembly, the moving blocks 25 move into the inner cavity of the connecting block 7, and the cover plate 4 is tightly pressed on the top of the box body 1 under the action of the first inclined surface and the second inclined surface as the moving blocks 25 move, and the installation of the cover plate 4 is completed. Thus, the cover plate 4 of the transformer oil tank can be simply and efficiently disassembled and assembled, which is convenient for the staff to maintain and repair the inside of the transformer and ensures the maintenance efficiency. After the installation is completed, the threaded cylinder 22 is manually rotated to drive the limiting cylinder 21, the limiting disc 20 and the limiting block to slide outside the drive rod 24, so that the limiting disc 20 gradually approaches the connecting cover 17 until the limiting block is inserted into the limiting hole, and then the drive rod 24 cannot be rotated, so that the drive rod 24 cannot be rotated due to the misoperation of personnel or other external forces, and the cover plate 4 can be stably installed on the box body 1.

[0037] When the heat dissipation fin 2 needs to be maintained or replaced, the connecting rod 16 is rotated to drive the first driving bevel gear 13 to rotate, so that the first driven bevel gear 14 rotates, drives the bidirectional screw rod 11 to rotate, drives the two groups of lifting blocks 10 to move away from each other, and drives the positioning rods 9 to move away from each other, at this time the heat dissipation fin 2 can be taken out of the slot for maintenance or replacement, after the maintenance is completed, the connecting rod 16 is reversely rotated to make the positioning rods 9 move closer to each other, so that the heat dissipation fin 2 is clamped between the positioning rods 9, and the position of the heat dissipation fin 2 can be fixed through cooperation with the slot, and the positioning slot can prevent the heat dissipation fin 2 from being deflected.

[0038] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or action from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or actions. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0039] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An oil-immersed amorphous alloy transformer tank, comprising a tank body (1), characterized in that: The bottom of the enclosure (1) is fixedly connected to several sets of mounting brackets (3), the top of the enclosure (1) is provided with a cover plate (4), the top of the cover plate (4) is fixedly connected to several sets of lifting rings (6), the outside of the enclosure (1) is fixedly connected to several sets of hanging ears (5), the outside of the enclosure (1) is provided with several sets of heat sinks (2), the enclosure (1) is equipped with a disassembly and assembly component for easy disassembly and assembly of the cover plate (4), and the enclosure (1) is equipped with a maintenance component for easy maintenance and replacement of the heat sinks (2); The assembly and disassembly assembly includes several sets of mounting blocks (8), which are fixedly connected to the side of the housing (1). Two sets of threaded sleeves (26) are slidably inserted in the mounting block (8). A movable block (25) is fixedly connected to one end of the two sets of threaded sleeves (26) that are far apart from each other. Several sets of connecting blocks (7) are fixedly connected to the bottom of the cover plate (4). The side of the connecting block (7) close to the mounting block (8) abuts against the mounting block (8). A first inclined surface is provided at the bottom of the movable block (25). A second inclined surface matching the first inclined surface is provided in the inner cavity of the connecting block (7). An adjustment mechanism for adjusting the distance between the two sets of movable blocks (25) is installed on the mounting block (8).

2. The oil-immersed amorphous alloy transformer tank according to claim 1, characterized in that: The adjusting mechanism includes a rotating rod (18) that rotatably passes through a mounting block (8). A transmission bevel gear (29) is fixedly connected to the top of the rotating rod (18). Two sets of adjusting screws (27) are rotatably mounted on the mounting block (8). The adjusting screws (27) are threaded into a threaded sleeve (26). A rotating bevel gear (28) is fixedly connected to one end of the adjusting screw (27) near the rotating rod (18). The rotating bevel gear (28) and the transmission bevel gear (29) are in contact... The rotating rod (18) is fixedly fitted with a second driven bevel gear (19), and the bottom of the mounting block (8) is fixedly connected with a connecting cover (17). A drive rod (24) is rotatably passed through the connecting cover (17). A second driving bevel gear (23) is fixedly connected to one end of the drive rod (24) near the housing (1). The second driving bevel gear (23) meshes with the second driven bevel gear (19). A limiting mechanism for limiting the position of the drive rod (24) is installed on the drive rod (24).

3. The oil-immersed amorphous alloy transformer tank according to claim 2, characterized in that: The limiting mechanism includes a limiting cylinder (21), which is slidably sleeved on the outside of the drive rod (24). A limiting disc (20) is fixedly sleeved on the outside of the limiting cylinder (21). Several sets of limiting blocks are fixedly connected to the side of the limiting disc (20) near the connecting cover (17). Several sets of limiting holes matching the limiting blocks are opened on the connecting cover (17). A threaded cylinder (22) is rotatably connected to the end of the limiting cylinder (21) away from the connecting cover (17). The drive rod (24) is provided with threads. The threaded cylinder (22) is threadedly connected to the drive rod (24).

4. The oil-immersed amorphous alloy transformer tank according to claim 1, characterized in that: The maintenance component includes several sets of mounting frames (12), which are fixedly connected to the outer wall of the housing (1). A bidirectional screw (11) is rotatably installed on the inner wall of the mounting frame (12). Two sets of lifting blocks (10) are slidably installed on the inner wall of the mounting frame (12). The bidirectional screw (11) is threaded through the lifting block (10). Two sets of positioning rods (9) are fixedly connected to the lifting block (10). Several sets of positioning grooves matching the heat sink (2) are opened on the positioning rods (9). Several sets of positioning plates (15) are fixedly connected to the side of the housing (1). A slot matching the heat sink (2) is formed between the two sets of positioning plates (15). A drive mechanism for driving the lifting block (10) to move up and down is installed on the mounting frame (12).

5. The oil-immersed amorphous alloy transformer tank according to claim 4, characterized in that: The drive mechanism includes a first driven bevel gear (14), which is fixedly sleeved on the outside of the bidirectional screw (11). A connecting rod (16) is rotatably passed through the mounting frame (12). A first driving bevel gear (13) is fixedly connected to one end of the connecting rod (16) near the housing (1). The first driving bevel gear (13) meshes with the first driven bevel gear (14).

6. The oil-immersed amorphous alloy transformer tank according to claim 3, characterized in that: The inner wall of the limiting cylinder (21) is fixedly connected with several sets of sliding strips, and the drive rod (24) is provided with several sets of sliding grooves that match the sliding strips. The sliding strips and sliding grooves are slidably connected.

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