CN213877745U

CN213877745U - Novel dry-type transformer low-voltage winding lead connection structure

Info

Publication number: CN213877745U
Application number: CN202022339727.6U
Authority: CN
Inventors: 王庆平; 任祖新; 王刚; 徐林峰; 金飞翔
Original assignee: Hangzhou Qiantang River Electric Group Co Ltd
Current assignee: Hangzhou Qiantang River Electric Group Co Ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-08-03
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses a novel dry-type transformer low voltage winding lead connection method structure, including transformer body, transformer body upper end erect the upper beam clamping piece, transformer body upper end erect base clamping piece, base clamping piece lower extreme left and right sides be equipped with the supporting legs respectively, supporting legs bottom open and to have the dashpot, the dashpot in be equipped with the buffer device who is used for protecting the supporting legs. The utility model overcomes the shorter problem of traditional transformer life. The utility model has the advantages of simple structure, high stability, long service life and the like.

Description

Novel dry-type transformer low-voltage winding lead connection structure

Technical Field

The utility model relates to a transformer structure field, more specifically say, relate to a novel dry-type transformer low voltage winding lead connection structure.

Background

Generally, when the outgoing line of the low-voltage winding of the dry-type transformer is a copper wire, the copper wire needs to be welded on a copper bar, and then the required output current is designed by connecting the copper bars. The production efficiency is low, in the welding process, welding slag foreign matters easily enter the transformer body, faults such as short circuit and the like occur when the transformer runs, safety is hidden, the use of the transformer is influenced, the service life of the transformer is short, and the requirements of users cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome the short problem of traditional transformer life, provide a novel dry-type transformer low voltage winding lead connection structure that has longer life now.

The utility model discloses a novel dry-type transformer low voltage winding lead connection method structure, including the transformer body, transformer body upper end erect the upper beam clamping piece, transformer body upper end erect base clamping piece, base clamping piece lower extreme left and right sides be equipped with the supporting legs respectively, supporting legs bottom open and to have the dashpot, the dashpot in be equipped with the buffer device who is used for protecting the supporting legs.

After having installed the transformer body, this realization of transformer produces great pressure to the supporting legs, this moment buffer can absorb the partial pressure that produces by the transformer body effectively to protection transformer body and supporting legs improve the utility model discloses a stability prolongs the utility model discloses a life.

Preferably, the front surface of the upper beam clamp is respectively provided with an input terminal AI, an input terminal BI and an input terminal CI, the back surface of the upper beam clamp is respectively provided with an output terminal AO, an output terminal BO and an output terminal CO, the transformer body comprises a low-voltage coil L1, a low-voltage coil L2 and a low-voltage coil L3, the periphery of the low-voltage coil L1 is provided with a high-voltage coil L4, the periphery of the low-voltage coil L2 is provided with a high-voltage coil L5, the periphery of the low-voltage coil L3 is provided with a high-voltage coil L6, the upper end of the low-voltage coil L1 is provided with a low-voltage input terminal DI, the lower end of the low-voltage coil L1 is provided with a low-voltage output terminal DO, the upper end of the low-voltage coil L2 is provided with a low-voltage input terminal EI, the lower end of the low-voltage coil L2 is provided with a low-voltage output terminal FI, the upper end of the low-voltage coil L3 is provided with a low-voltage output terminal FI, the lower end of the low-voltage coil L3 is provided with a low-voltage output terminal FO, the input terminal AI and the low voltage input terminal DI wire connection, low voltage input terminal DI and the low voltage output terminal EO pass through conducting rod N1 electric connection, input terminal BI and the low voltage input terminal EI wire connection, low voltage input terminal EI and the low voltage output terminal FO pass through conducting rod N2 electric connection, input terminal CI and the low voltage input terminal FI wire connection, low voltage input terminal FI and the low voltage output terminal DO pass through conducting rod N3 electric connection.

The utility model discloses a terminal connects and all adopts bolt fixed connection, has reduced welded step with conventional wiring method, has reduced the process to reduce the potential safety hazard of transformer operation, improved the quality of transformer greatly.

Preferably, the buffer device comprises fixing plates which are respectively arranged on the left side and the right side of the top of the buffer groove, a spring pin is arranged at the lower end of each fixing plate, a buffer plate is arranged at the lower end of each spring pin, a first spring is sleeved on each spring pin, and the upper end and the lower end of each first spring are respectively welded with the lower end of each spring pin and the upper end face of each buffer plate.

Preferably, a long pin rod is arranged between the buffer plate and the fixing plate, limiting blocks are arranged at the left end and the right end of the long pin rod respectively, a pin hole used for installing the long pin rod is formed in the center of each limiting block, the bottom of each limiting block is welded with the upper end face of the buffer plate, a second spring is sleeved on the periphery of the long pin rod, compression rings are welded at the left end and the right end of the second spring respectively, push rods are welded at the side ends of the compression rings, rocker arms are hinged to the other ends of the push rods, the other ends of the rocker arms are hinged to one ends of hinge blocks, and the other ends of the hinge blocks are welded with the sides of the fixing plate.

After installing transformer body, can produce the effort between supporting legs and bottom surface, this effort can extrude the buffer board, the buffer board be the better rubber slab of elasticity, spring catch can extrude a spring in extrusion process, can absorb the impact that the bottom surface brought at a spring deformation in-process, when a spring is compressed, the buffer board can rise slightly, at the in-process rocking arm of rising can drive push rod and clamping ring and go to extrude No. two springs, realize through the deformation of a spring and No. two springs the utility model discloses a multistage buffer function to protection transformer body and supporting legs, extension the utility model discloses a life.

The utility model discloses following beneficial effect has: simple structure, stability is high, long service life.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the transformer body of the present invention.

Fig. 3 is a schematic structural diagram of the buffering device of the present invention.

The upper beam clamping piece 1, the base clamping piece 2, the supporting legs 3, the buffer groove 4, the fixing plate 5, the spring pin 6, the buffer plate 7, the first spring 8, the long pin rod 9, the limiting block 10, the second spring 11, the pressing ring 12, the push rod 13, the rocker arm 14, the hinge block 15, the input terminal AI, the input terminal BI, the input terminal CI, the output terminal AO, the output terminal BO, the output terminal CO, the low-voltage coil L1, the low-voltage coil L2, the low-voltage coil L3, the high-voltage coil L4, the high-voltage coil L5, the high-voltage coil L6, the low-voltage input terminal DI, the low-voltage input terminal EI, the low-voltage input terminal FI, the low-voltage output terminal DO, the low-voltage output terminal EO, the low-voltage output terminal FO, the conductive rod N1, the conductive rod N2, and the conductive rod N3.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example 1: according to attached figure 1, attached figure 2 and attached figure 3 right the utility model discloses explain further, the novel dry-type transformer low voltage winding lead connection method structure of this example, including transformer body, transformer body upper end erect and be equipped with upper beam clamping piece 1, transformer body upper end erect base clamping piece 2, the 2 lower extreme left and right sides of base clamping piece be equipped with supporting legs 3 respectively, 3 bottoms of supporting legs open and to have buffer slot 4, buffer slot 4 in be equipped with the buffer device who is used for protecting supporting legs 3.

The front surface of the upper beam clamping piece 1 is respectively provided with an input terminal AI, an input terminal BI and an input terminal CI, the back surface of the upper beam clamping piece 1 is respectively provided with an output terminal AO, an output terminal BO and an output terminal CO, the transformer body comprises a low-voltage coil L1, a low-voltage coil L2 and a low-voltage coil L3, the periphery of the low-voltage coil L1 is provided with a high-voltage coil L4, the periphery of the low-voltage coil L2 is provided with a high-voltage coil L5, the periphery of the low-voltage coil L3 is provided with a high-voltage coil L6, the upper end of the low-voltage coil L1 is provided with a low-voltage input terminal DI, the lower end of the low-voltage coil L1 is provided with a low-voltage output terminal DO, the upper end of the low-voltage coil L2 is provided with a low-voltage input terminal EI, the lower end of the low-voltage coil L2 is provided with a low-voltage output terminal EO, the upper end of the low-voltage coil L3 is provided with a low-voltage input terminal FI, the lower end of the low-voltage coil L3 is provided with a low-voltage output terminal FO, the input terminal AI and the low voltage input terminal DI wire connection, low voltage input terminal DI and the low voltage output terminal EO pass through conducting rod N1 electric connection, input terminal BI and the low voltage input terminal EI wire connection, low voltage input terminal EI and the low voltage output terminal FO pass through conducting rod N2 electric connection, input terminal CI and the low voltage input terminal FI wire connection, low voltage input terminal FI and the low voltage output terminal DO pass through conducting rod N3 electric connection.

Buffer including setting up fixed plate 5 in the 4 top left and right sides of dashpot respectively, the lower extreme of fixed plate 5 be equipped with

spring catch

6, 6 lower extremes of spring catch be equipped with buffer board 7, spring catch 6 go up the cover and have a spring 8, spring 8 the upper and lower end respectively with 6 lower extremes of spring catch and buffer board 7 up end looks welding.

Buffer board 7 and fixed plate 5 between be equipped with long pin pole 9, long pin pole 9 about both ends be equipped with stopper 10 respectively, stopper 10 center be equipped with the pinhole that is used for installing long pin pole 9, stopper 10 bottom and buffer board 7 up end weld mutually, the peripheral cover of long pin pole 9 have No. two springs 11, No. two springs 11 about both ends weld respectively have clamping ring 12, the side welding of clamping ring 12 have push rod 13, the other end of push rod 13 articulated have rocking arm 14, rocking arm 14 the other end and 15 one end of hinge block articulate mutually, the other end and the 5 sides of fixed plate of hinge block 15 weld mutually.

The above description is only for the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims

1. The utility model provides a novel dry-type transformer low voltage winding lead connection method structure, includes the transformer body, characterized by, transformer body upper end erect and be equipped with upper beam clamping piece (1), transformer body upper end erect base clamping piece (2), base clamping piece (2) lower extreme left and right sides be equipped with supporting legs (3) respectively, supporting legs (3) bottom open and to have dashpot (4), dashpot (4) in be equipped with the buffer that is used for protecting supporting legs (3).

2. The novel low-voltage winding lead connection structure of the dry-type transformer according to claim 1, wherein the front surface of the upper beam clamping piece (1) is respectively provided with an input terminal (AI), an input terminal (BI) and an input terminal (CI), the back surface of the upper beam clamping piece (1) is respectively provided with an output terminal (AO), an output terminal (BO) and an output terminal (CO), the transformer body comprises a low-voltage coil (L1), a low-voltage coil (L2) and a low-voltage coil (L3), the periphery of the low-voltage coil (L1) is provided with a high-voltage coil (L4), the periphery of the low-voltage coil (L2) is provided with a high-voltage coil (L5), the periphery of the low-voltage coil (L3) is provided with a high-voltage coil (L6), the upper end of the low-voltage coil (L1) is provided with a low-voltage input terminal (DI), and the lower end of the low-voltage coil (L1) is provided with a low-voltage output terminal (DO), the upper end of the low-voltage coil (L2) is provided with a low-voltage input terminal (EI), the lower end of the low-voltage coil (L2) is provided with a low-voltage output terminal (EO), the upper end of the low-voltage coil (L3) is provided with a low-voltage input terminal (FI), the lower end of the low-voltage coil (L3) is provided with a low-voltage output terminal (FO), the input terminal (AI) is connected with the low-voltage input terminal (DI) through a lead, the low-voltage input terminal (DI) is electrically connected with the low-voltage output terminal (EO) through a conductive rod (N1), the input terminal (BI) is connected with the low-voltage input terminal (EI) through a lead, the low-voltage input terminal (EI) and the low-voltage output terminal (FO) are electrically connected through a conducting rod (N2), the input terminal (CI) is connected with a low-voltage input terminal (FI) through a lead, the low-voltage input terminal (FI) and the low-voltage output terminal (DO) are electrically connected through a conducting rod (N3).

3. The novel low-voltage winding lead connection structure of the dry-type transformer as claimed in claim 1, wherein the buffer device comprises fixing plates (5) respectively arranged on the left side and the right side of the top of the buffer groove (4), a spring pin (6) is mounted at the lower end of each fixing plate (5), a buffer plate (7) is arranged at the lower end of each spring pin (6), a first spring (8) is sleeved on each spring pin (6), and the upper end and the lower end of each first spring (8) are respectively welded with the lower end of each spring pin (6) and the upper end face of each buffer plate (7).

4. The novel lead-connecting structure for the low-voltage winding of the dry-type transformer as claimed in claim 3, it is characterized in that a long pin rod (9) is arranged between the buffer plate (7) and the fixed plate (5), the left end and the right end of the long pin rod (9) are respectively provided with a limiting block (10), the center of the limiting block (10) is provided with a pin hole for installing the long pin rod (9), the bottom of the limiting block (10) is welded with the upper end surface of the buffer plate (7), a second spring (11) is sleeved on the periphery of the long pin rod (9), the left end and the right end of the second spring (11) are respectively welded with a press ring (12), a push rod (13) is welded at the side end of the compression ring (12), the other end of the push rod (13) is hinged with a rocker arm (14), the other end of the rocker arm (14) is hinged with one end of a hinge block (15), the other end of the hinge block (15) is welded with the side edge of the fixed plate (5).