Oil immersed transformer capable of improving disassembly and assembly efficiency

Abstract

The utility model discloses an oil immersed transformer with improved dismounting efficiency, which comprises a mounting base and a transformer body, two sides of the transformer body are provided with fixing plates, the mounting base is provided with a concave cavity for accommodating the fixing plates, two sides of the concave cavity are provided with movable baffle plates, and the baffle plates are arranged on the transformer body. The baffle is arranged above the fixing plate and is used for preventing the fixing plate from being separated from the concave cavity; a telescopic movable plate is arranged on the side wall of the concave cavity and abuts against the baffle so that the baffle can be fixed to the moved position. By pushing the baffle plate and the movable plate, the connection between the transformer body and the mounting base can be quickly assembled or disassembled, the convex block is embedded into the fixed groove, the supporting part is arranged in the supporting through hole, and the two parts are matched with each other, so that the stability and the reliability of the connection are ensured; the product has the advantages of stable connection, simplicity and convenience in operation and capability of prolonging disassembly and assembly time.

Description

Technical Field

[0001] The utility model relates to the technical field of transformers, in particular to an oil-immersed transformer with improved disassembly and assembly efficiency. Background Art

[0002] The oil-immersed transformer is a new type of high-performance transformer with a more reasonable structure and better performance. Its three-dimensional wound core has three core columns arranged in an equilateral triangle. There is no air gap in the magnetic circuit, the winding is tighter, the three magnetic circuits are of the same length and the shortest, and the cross-sectional area of ​​the core column is closer to a circle. Therefore, the performance is further improved, the loss is reduced, the noise is reduced, and the three items are balanced.

[0003] When installing an oil-immersed transformer, a large number of screws, bolts and other fasteners are required to ensure that the oil-immersed transformer is stably and reliably connected to the supporting object. When the oil-immersed transformer fails and the line needs to restore emergency power supply, most of the time is wasted on disassembling the fasteners. In addition, some fasteners are difficult to disassemble due to rust, which brings uncertainty to the disassembly time and makes it impossible to quickly restore power supply. Therefore, the applicant has made a useful design and found a solution to the above problem. The technical solution to be introduced below is produced in this context. Summary of the invention

[0004] The purpose of the utility model is to overcome the shortcomings of the above-mentioned traditional oil-immersed transformer design and provide a product with stable connection, simple operation and shortened assembly and disassembly time.

[0005] To solve the above problems, the utility model adopts the following technical solutions.

[0006] An oil-immersed transformer with improved disassembly and assembly efficiency comprises a mounting base and a transformer body, wherein fixing plates are arranged on both sides of the transformer body, the mounting base is provided with a concave cavity for accommodating the fixing plate, movable baffles are arranged on both sides of the concave cavity and are arranged above the fixing plate to prevent the fixing plate from escaping from the concave cavity; a retractable movable plate is provided on the side wall of the concave cavity and abuts against the baffle to fix the baffle in a movable position.

[0007] Preferably, a chamfer is provided at the entrance of the cavity, and clearance grooves are provided on both sides of the side walls of the cavity, and the clearance grooves are provided with limiting through holes.

[0008] Preferably, two sides of the concave cavity are provided with clearance through holes, one side of the clearance through hole is provided with a supporting through hole, and the clearance through hole is provided with a limiting block.

[0009] Preferably, the baffle is slidably set in the yielding through hole, a support portion is provided on one side of the baffle, and is slidably set in the supporting through hole, a plurality of fixing grooves are provided on the other side of the baffle, the fixing groove is provided with a first inclined surface, the baffle is provided with a limiting groove, the limiting block is slidably set in the limiting groove, and the baffle is provided with a handle.

[0010] Preferably, the movable plate is slidably arranged in the yielding groove, the movable plate is provided with a pushing plate, passes through the limiting through hole, and is higher than the mounting base, and the movable plate is provided with a plurality of protrusions.

[0011] Preferably, the movable plate is provided with a plurality of blind holes, the blind holes are provided with springs and abut against the relinquishing grooves, so that the protrusions are embedded in the fixing grooves, and the protrusions are provided with a second inclined surface and contact the first inclined surface.

[0012] Preferably, the mounting base is provided with a plurality of mounting holes, and the mounting holes are provided with countersunk holes.

[0013] Beneficial effects:

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] (1) In the utility model, when the fixed plate is placed in the concave cavity, it is only necessary to push the baffle plate to move it gradually into the concave cavity. The tighter the connection between the baffle plate and the movable plate, the more likely it is that the baffle plate will be fixed in the position after the movement, thereby ensuring the stability of the connection and preventing the resonance generated by the operation of the transformer body. In addition, the movable plate and the concave cavity provide strong support for the baffle plate, preventing the transformer body from being separated from the connection with the mounting base, so that the product has the advantages of stable connection and easy operation.

[0016] (2) When disassembling, the movable plate only needs to be pushed to make the protrusion leave the fixed groove, so that the baffle can be removed from the top of the fixed plate, which greatly reduces the time required for disassembly, overcomes the problems raised by the background technology, and enables the product to have the advantage of improving the disassembly and assembly time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of an oil-immersed transformer for improving disassembly and assembly efficiency according to the utility model;

[0018] Figure 2 This is a schematic cross-sectional structure diagram of an oil-immersed transformer for improving disassembly and assembly efficiency according to the utility model;

[0019] Figure 3 For this utility model Figure 2 A partial structure enlarged view of detail A of an oil-immersed transformer for improving disassembly and assembly efficiency;

[0020] Figure 4This is a structural schematic diagram of a mounting base of an oil-immersed transformer for improving disassembly and assembly efficiency according to the utility model;

[0021] Figure 5 This is a structural schematic diagram of a baffle of an oil-immersed transformer for improving disassembly and assembly efficiency according to the utility model;

[0022] Figure 6 This is a structural schematic diagram of a movable plate of an oil-immersed transformer for improving disassembly and assembly efficiency according to the utility model;

[0023] The corresponding relationship between the illustrations and component names in the figure is as follows:

[0024] Figure numerals: 1. mounting base; 2. transformer body; 3. fixing plate; 4. baffle; 5. movable plate; 6. limiting block; 7. spring; 11. concave cavity; 12. clearance groove; 13. limiting through hole; 14. clearance through hole; 15. supporting through hole; 16. mounting hole; 17. countersunk hole; 18. chamfer; 41. supporting part; 42. fixing groove; 43. first inclined surface; 44. limiting groove; 45. handle; 51. pushing plate; 52. protrusion; 53. blind hole; 54. second inclined surface. DETAILED DESCRIPTION

[0025] The technical solution of the utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by the terms "up", "down", "left" and "right" are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0027] In the embodiment of the present invention, "and / or" is only a description of the association relationship of the associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0028] Reference example Figures 1 to 6, an oil-immersed transformer with improved disassembly and assembly efficiency, comprising a mounting base 1 and a transformer body 2, wherein fixing plates 3 are arranged on both sides of the transformer body 2, the mounting base 1 is provided with a concave cavity 11 for accommodating the fixing plate 3, movable baffles 4 are arranged on both sides of the concave cavity 11 and are arranged above the fixing plate 3 to prevent the fixing plate 3 from escaping from the concave cavity 11; a retractable movable plate 5 is arranged on the side wall of the concave cavity 11 and abuts against the baffle 4 to fix the baffle 4 in the position after the activity;

[0029] It is worth mentioning that a chamfer 18 is provided at the entrance of the cavity 11, and a clearance groove 12 is provided on both sides of the side wall of the cavity 11. The clearance groove 12 is provided with a limiting through hole 13. The chamfer 18 allows the fixed plate 3 to smoothly enter the cavity 11, and the clearance groove 12 provides a holding space for the movable plate 5. The limiting through hole 13 is used in conjunction with the push plate 51;

[0030] It is worth mentioning that the two sides of the concave cavity 11 are provided with a clearance through hole 14, one side of the clearance through hole 14 is provided with a supporting through hole 15, and the clearance through hole 14 is provided with a limiting block 6. The clearance through hole 14 provides a guide for the baffle 4, and the supporting through hole 15 provides support for the supporting portion 41. The limiting block 6 prevents the baffle 4 from completely separating from the clearance through hole 14;

[0031] It is worth mentioning that the baffle 4 is slidably arranged in the yielding through hole 14, a support portion 41 is provided on one side of the baffle 4, and is slidably arranged in the supporting through hole 15, a plurality of fixing grooves 42 are provided on the other side of the baffle 4, the fixing groove 42 is provided with a first inclined surface 43, the baffle 4 is provided with a limiting groove 44, the limiting block 6 is slidably arranged in the limiting groove 44, the baffle is provided with a handle 45, a certain distance is maintained between the baffle 4 and the fixed plate 3, so as to facilitate the smooth movement of the baffle 4, the fixing groove 42 and the protrusion 52 abut against each other to prevent the baffle 4 from retreating and ensure the connection stability, when the baffle 4 continues to move forward, the first inclined surface 43 causes the second protrusion 52 to disengage from the fixing groove 42 and move to the next fixing groove 42, and the limiting groove 44 cooperates with the limiting block 6 to limit the range of movement of the baffle 4;

[0032] It is worth mentioning that the movable plate 5 is slidably arranged in the yielding groove 12, the movable plate 5 is provided with a push plate 51, and passes through the limiting through hole 13, and is higher than the mounting base 1, and the movable plate 5 is provided with a plurality of protrusions 52, and the movable plate 5 is controlled to retract by the push plate 51;

[0033] It is worth mentioning that the movable plate 5 is provided with a plurality of blind holes 53, the blind holes 53 are provided with springs 7, and abut against the relinquishing groove 12, so that the protrusion 52 is embedded in the fixing groove, and the protrusion 52 is provided with a second inclined surface 54, and contacts the first inclined surface 43, the blind hole 53 prevents the spring 7 from detaching, and the second inclined surface 54 cooperates with the first inclined surface 43 to reduce the wear of the protrusion 52 and the fixing groove;

[0034] It is worth mentioning that the mounting base 1 is provided with a plurality of mounting holes 16, and the mounting holes 16 are provided with countersunk holes 17. Fasteners pass through the mounting holes 16 to connect and fix the mounting base 1 to the supporting object. The heads of the fasteners are arranged in the countersunk holes 17 to prevent the fasteners from protruding from the surface of the mounting base 1 and interfering with the installation of the transformer body 2.

[0035] The use principle of the utility model is now described as follows:

[0036] Example 1

[0037] After placing the fixing plate 3 at the bottom of the concave cavity 11, the baffle 4 is pushed to move by the handle 45, and the baffle 4 gradually goes deeper into the concave cavity 11. The baffle 4 moves on the second inclined surface 54 and compresses the movable block to gradually retract. The spring 7 stores energy until the protrusion 52 coincides with the fixing groove 42, and the spring 7 releases the elastic force, so that the protrusion 52 is embedded in the fixing groove 42 and abuts against one side of the fixing groove 42 to prevent the baffle 4 from retreating backward. As multiple protrusions 52 abut against multiple fixing grooves 42, the contact surface between the supporting through hole 15 and the supporting portion 41 increases, providing strong support for the baffle 4 to prevent the fixing plate 3 from leaving the concave cavity 11, until the limiting block 6 abuts against one end of the limiting groove 44, the baffle 4 is flush with the side of the mounting base 1, thereby completing the connection and fixation of the transformer body 2 and the mounting base 1.

[0038] Example 2

[0039] Apply a pushing force to the pushing plate 51 to retract the movable plate 5 and separate the protrusion 52 from the movable plate 5. At this time, the baffle 4 can move freely, and the baffle 4 is moved away from the top of the fixed plate 3 by the handle 45 until the limit block 6 abuts against the other end of the limit groove 44, thereby completing the disassembly of the transformer body 2 and the mounting base 1. In addition, no tools are required for disassembly and installation, which greatly improves the convenience of disassembly and assembly and reduces the required time.

[0040] The above design scheme can make the product have the advantages of stable connection, simple operation and shortened assembly and disassembly time.

[0041] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.

Claims

1. An oil-immersed transformer with improved disassembly and assembly efficiency, comprising a mounting base (1) and a transformer body (2), characterized in that: The transformer body (2) is provided with fixing plates (3) on both sides, the mounting base (1) is provided with a cavity (11) for accommodating the fixing plate (3), movable baffles (4) are provided on both sides of the cavity (11) and are arranged above the fixing plate (3) to prevent the fixing plate (3) from escaping from the cavity (11); a retractable movable plate (5) is provided on the side wall of the cavity (11) and abuts against the baffle (4) to fix the baffle (4) in a movable position.

2. The oil-immersed transformer with improved disassembly and assembly efficiency according to claim 1, characterized in that: A chamfer (18) is provided at the entrance of the cavity (11), and clearance grooves (12) are provided on both sides of the side walls of the cavity (11), and the clearance grooves (12) are provided with limiting through holes (13).

3. The oil-immersed transformer with improved disassembly and assembly efficiency according to claim 1, characterized in that: The concave cavity (11) is provided with clearance holes (14) on both sides, one side of the clearance hole (14) is provided with a supporting through hole (15), and the clearance hole (14) is provided with a limiting block (6).

4. The oil-immersed transformer with improved disassembly and assembly efficiency according to claim 3 is characterized in that: The baffle (4) is slidably arranged in the clearance through hole (14); a support portion (41) is provided on one side of the baffle (4) and is slidably arranged in the support through hole (15); a plurality of fixing grooves (42) are provided on the other side of the baffle (4); the fixing grooves (42) are provided with a first inclined surface (43); the baffle (4) is provided with a limiting groove (44); the limiting block (6) is slidably arranged in the limiting groove (44); and the baffle is provided with a handle (45).

5. The oil-immersed transformer with improved disassembly and assembly efficiency according to claim 4 is characterized in that: The movable plate (5) is slidably arranged in the yielding groove (12); the movable plate (5) is provided with a pushing plate (51) and passes through the limiting through hole (13) and is higher than the mounting base (1); the movable plate (5) is provided with a plurality of protrusions (52).

6. The oil-immersed transformer with improved disassembly and assembly efficiency according to claim 5, characterized in that: The movable plate (5) is provided with a plurality of blind holes (53), the blind holes (53) are provided with springs (7) and abut against the relinquishing grooves (12), so that the protrusions (52) are embedded in the fixing grooves, and the protrusions (52) are provided with second inclined surfaces (54) and are in contact with the first inclined surfaces (43).

7. The oil-immersed transformer with improved disassembly and assembly efficiency according to claim 1, characterized in that: The mounting base (1) is provided with a plurality of mounting holes (16), and the mounting holes (16) are provided with countersunk holes (17).

Images