CN211016683U

CN211016683U - Transformer core base

Info

Publication number: CN211016683U
Application number: CN202020130334.1U
Authority: CN
Inventors: 姚发伟; 王秀清; 郑春雷; 姚法海; 姚磊; 姚勇; 孙照伟; 王玉萍; 季远景
Original assignee: Zibo Xunchi Power Equipment Co ltd
Current assignee: Zibo Xunchi Power Equipment Co ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-07-14
Anticipated expiration: 2030-01-20

Abstract

The utility model provides a transformer core base, this technical scheme carry out the novelty to the box structure that bears the weight of the iron core and improve on the basis that does not change oil-immersed transformer theory of operation. Specifically see, the utility model discloses lug and hangers have been welded respectively on the roof of box and on the lateral wall of box, the two all can be used to hoist and mount the operation, and wherein the hangers still can be used to articulate on infrastructure such as external iron stand to realize the holistic fixed mounting of device fast. On this basis, the utility model discloses add the strengthening rib on the box lateral wall, can maintain the existing configuration of box lateral wall to a certain extent, alleviate the deformation problem that probably takes place under the long-time stress state. Furthermore, the utility model discloses in the device bottom, rely on the floorbar structure to add the wheel body, can realize the convenient removal of device. Use the utility model discloses, make the structure of transformer core base more reasonable, the operation of being convenient for more is installed, fixed.

Description

Transformer core base

Technical Field

The utility model relates to a transformer technical field, concretely relates to transformer core base.

Background

The iron core is the main magnetic circuit part in the motor and the transformer. Usually made by stacking hot-rolled or cold-rolled silicon steel sheets containing silicon in a high content and coated with an insulating varnish on their surface. The iron core and the coil wound on the iron core form a complete electromagnetic induction system, and the material and the cross-sectional area of the complete electromagnetic induction system directly determine the transmission power of the transformer. In an oil-immersed transformer, the transformer is carried on a base structure and immersed in transformer oil, and therefore the base structure carrying the transformer oil has a direct influence on the stability of the transformer.

In the prior art, the base not only plays a bearing role for the internal iron core, but also is provided with a heat dissipation structure, so that the bearing capacity is large, the base generally has no moving capacity, and the outer wall of the base is easy to deform under a long-time bearing state. In addition, the conventional core base is inconvenient to hoist, which directly affects the installation efficiency of the transformer.

Disclosure of Invention

The utility model discloses aim at the technical defect to prior art, provide a transformer core base to among the solution prior art, the technical problem of hoist and mount is not convenient for carry out to conventional transformer core base.

The to-be-solved technical problem of the utility model is that, the deformation phenomenon takes place easily for conventional transformer core base.

In order to realize the technical purpose, the utility model adopts the following technical scheme:

the utility model provides a transformer core base, the power distribution box comprises a box body, the roof, the bolt, the terminal, the lug, the hangers, the solder joint, the strengthening rib, arrange the oil pipe, the floorbar, the wheel body, the fin, wherein, the roof is fixed on the top of box through a plurality of bolt silks, fixedly connected with terminal on the roof, the welding has the lug on the lateral wall of box, the fin passes through solder joint fixed connection on the lateral wall of box, it has a plurality of strengthening ribs that are parallel to each other to surround on the lateral wall of box, arrange the oil pipe at the lateral wall lower extreme fixedly connected with of box, bottom welded fastening has the floorbar at the box, lower extreme at.

Preferably, the oil drain device further comprises a valve, and the valve is connected to the oil drain pipe.

Preferably, the oil filling device further comprises an oil filling pipe, wherein the oil filling pipe is located on the top plate and communicated with the interior of the box body.

Preferably, the oil filling device further comprises a sealing cap which is fixed at the upper port of the oil filling pipe in a threaded manner.

Preferably, the wheel body structure further comprises groove-shaped frames, wherein the bottom beam is an inverted channel steel, at least 2 groove-shaped frames are fixedly connected to the lower end of the bottom beam through screws, a rotating shaft is arranged in each groove-shaped frame, and the wheel body is connected to the rotating shaft.

In the above technical solution, the tank is used for accommodating the iron core and is loaded with transformer oil; the top plate is used for sealing the upper port of the box body; the top plate is screwed and fixed at the upper port of the box body through a plurality of bolts, so that the top plate can be dismounted in a bolt releasing mode to allow the iron core to enter and exit in the installation process; the wiring terminal is of a conventional structure of the oil-immersed transformer and is used for connecting a cable; the lifting lug is welded on the top plate so as to be convenient for hoisting; the hanging lugs on the side wall of the box body can be used for hoisting, and can also be hung on external iron frames and other basic structures to quickly realize the integral fixed installation of the device; the welding spot is the welding position of the radiating fin and the box body and is used for fixing the radiating fin and the box body; the reinforcing ribs surround the side wall of the box body, can adopt a transverse surrounding structure or a longitudinal surrounding structure, and are used for strengthening the structure of the side wall of the box body so as to relieve the phenomenon of long-time stress deformation; the oil discharge pipe is positioned at the lowest end of the side wall of the box body and used for discharging transformer oil during maintenance; the bottom beam is used for bearing the integral structure of the device and is used for arranging a wheel body; the wheel body positioned at the lower end of the bottom beam can realize convenient and fast movement of the whole device.

In the preferred technical scheme, a valve can be additionally arranged on the oil drainage pipe to control the on-off of the oil drainage pipe. An oil filling pipe can be additionally arranged on the top plate so as to conveniently fill transformer oil into the tank body, and a sealing cap can be additionally arranged at the top end of the oil filling pipe in a screwed mode so as to seal an upper port of the oil filling pipe. In another preferred technical scheme, a specific connection structure of the bottom beam and the wheel body is given: with the preferred channel-section steel of invering of floorbar, guarantee that the floorbar upper end has relatively great area of contact with the box bottom on the one hand, on the other hand, its opening down holds the cell type frame wherein to play certain positioning action to the cell type frame, the cell type frame is used for setting up the pivot, thereby bears the weight of the wheel body, and the cell type frame can play the guard action of certain degree to the both sides of wheel body.

Drawings

FIG. 1 is an overall perspective structural view of the present invention;

FIG. 2 is a perspective view of the heat sink from a viewing angle after the heat sink is removed;

FIG. 3 is a perspective view of the present invention from another perspective after removing the heat sink;

FIG. 4 is a view showing an assembled structure of the bottom beam and the wheel body according to the present invention;

in the figure:

1. case 2, top plate 3, bolt 4 and binding post

5. Lifting lug 6, hanging lug 7, welding spot 8 and reinforcing rib

9. Oil discharge pipe 10, bottom beam 11, wheel body 12 and radiating fins

13. Valve 14, oil filling pipe 15, sealing cap 16 and trough frame.

Detailed Description

The following will describe in detail specific embodiments of the present invention. Well-known structures or functions may not be described in detail in the following embodiments in order to avoid unnecessarily obscuring the details. Approximating language, as used herein in the following examples, may be applied to identify quantitative representations that could permissibly vary in number without resulting in a change in the basic function. Unless defined otherwise, technical and scientific terms used in the following examples have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Example 1

The utility model provides a transformer core base, as shown in fig. 1 ~ 4, including box 1, roof plate 2, bolt 3, terminal 4, lug 5, hangers 6, solder joint 7, strengthening rib 8, arrange oil pipe 9, floorbar 10, wheel body 11, fin 12, wherein, roof plate 2 connects through a plurality of bolts 3 and fixes on the top of box 1, fixedly connected with terminal 4 on roof plate 2, the welding has lug 5 on roof plate 2, the welding has hangers 6 on the lateral wall of box 1, fin 12 passes through solder joint 7 fixed connection on the lateral wall of box 1, it has a plurality of strengthening ribs 8 that are parallel to each other to encircle on the lateral wall of box 1, it arranges oil pipe 9 to fixedly connected with at the lateral wall lower extreme of box 1, bottom welded fastening has floorbar 10 at box 1, be connected with a plurality of wheel bodies 11 at the lower extreme of floorbar 10.

The device has the following structural characteristics: the box body 1 is used for accommodating an iron core and is loaded with transformer oil; the top plate 2 is used for sealing the upper port of the box body 1; the top plate 2 is screwed and fixed at the upper port of the box body 1 through a plurality of bolts 3, so that the top plate 2 can be dismounted in a mode of releasing the bolts 3 so as to allow the iron core to enter and exit in the installation process; the wiring terminal 4 is a conventional structure of an oil-immersed transformer and is used for connecting a cable; the lifting lug 5 is welded on the top plate 2 so as to be convenient for hoisting; the hanging lugs 6 positioned on the side wall of the box body 1 can be used for hoisting, and can also be hung on external iron frames and other basic structures to quickly realize the integral fixed installation of the device; the welding spot 7 is a welding position of the radiating fin 12 and the box body 1 and is used for fixing the radiating fin 12 and the box body 1; the reinforcing ribs 8 surround the side wall of the box body 1, can adopt a transverse surrounding structure or a longitudinal surrounding structure, and the reinforcing ribs 8 are used for strengthening the structure of the side wall of the box body 1 so as to relieve the phenomenon of long-time stress deformation; the oil discharge pipe 9 is positioned at the lowest end of the side wall of the box body 1 and is used for discharging transformer oil during maintenance; the bottom beam 10 is used for bearing the integral structure of the device and is used for arranging a wheel body 11; the wheel body 11 at the lower end of the bottom beam 10 can realize convenient movement of the whole device.

Example 2

The utility model provides a transformer core base, as shown in fig. 1 ~ 4, including box 1, roof plate 2, bolt 3, terminal 4, lug 5, hangers 6, solder joint 7, strengthening rib 8, arrange oil pipe 9, floorbar 10, wheel body 11, fin 12, wherein, roof plate 2 connects through a plurality of bolts 3 and fixes on the top of box 1, fixedly connected with terminal 4 on roof plate 2, the welding has lug 5 on roof plate 2, the welding has hangers 6 on the lateral wall of box 1, fin 12 passes through solder joint 7 fixed connection on the lateral wall of box 1, it has a plurality of strengthening ribs 8 that are parallel to each other to encircle on the lateral wall of box 1, it arranges oil pipe 9 to fixedly connected with at the lateral wall lower extreme of box 1, bottom welded fastening has floorbar 10 at box 1, be connected with a plurality of wheel bodies 11 at the lower extreme of floorbar 10. Meanwhile, the oil drain pipe also comprises a valve 13, and the valve 13 is connected to the oil drain pipe 9. The oil filling device further comprises an oil filling pipe 14, wherein the oil filling pipe 14 is positioned on the top plate 2, and the oil filling pipe 14 is communicated with the interior of the box body 1. The oil filling device further comprises a sealing cap 15, and the sealing cap 15 is screwed and fixed at the upper port of the oil filling pipe 14. The wheel body structure is characterized by further comprising groove-shaped frames 16, wherein the bottom beam 10 is an inverted channel steel, at least 2 groove-shaped frames 16 are fixedly connected to the lower end of the bottom beam 10 through screws, a rotating shaft is arranged in each groove-shaped frame 16, and the wheel body 11 is connected to the rotating shaft.

In the above technical scheme: a valve 13 is additionally arranged on the oil discharge pipe 9 to control the on-off of the oil discharge pipe 9. An oil filling pipe 14 is further added to the top plate 2 to facilitate the injection of transformer oil into the tank 1, and a sealing cap 15 is further added to the top end of the oil filling pipe 14 by means of a screw connection to seal the upper port of the oil filling pipe 14. Meanwhile, a concrete connection structure of the bottom beam 10 and the wheel body 11 is given: with the preferred channel-section steel of inverting of floorbar 10, guarantee that floorbar 10 upper end and box 1 bottom have relatively great area of contact on the one hand, on the other hand, its opening down holds slot type frame 16 in wherein to play certain locate action to slot type frame 16, slot type frame 16 is used for setting up the pivot, thereby bears wheel body 11, and slot type frame 16 can play the guard action of certain degree to the both sides of wheel body 11.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, and improvement made within the scope of the present invention should be included in the protection scope of the present invention.

Claims

1. A transformer core base is characterized by comprising a box body (1), a top plate (2), bolts (3), binding posts (4), lifting lugs (5), hanging lugs (6), welding spots (7), reinforcing ribs (8), an oil discharge pipe (9), a bottom beam (10), wheel bodies (11) and cooling fins (12), wherein the top plate (2) is fixedly connected to the top end of the box body (1) through a plurality of bolts (3) in a threaded mode, the binding posts (4) are fixedly connected to the top plate (2), the lifting lugs (5) are welded to the top plate (2), the hanging lugs (6) are welded to the side wall of the box body (1), the cooling fins (12) are fixedly connected to the side wall of the box body (1) through the welding spots (7), the plurality of reinforcing ribs (8) which are parallel to each other are wound on the side wall of the box body (1), the oil discharge pipe (9) is fixedly connected to the, the bottom end of the box body (1) is fixedly welded with a bottom beam (10), and the lower end of the bottom beam (10) is connected with a plurality of wheel bodies (11).

2. A transformer core base according to claim 1, further comprising a valve (13), said valve (13) being connected to the oil drain pipe (9).

3. A transformer core base according to claim 1, further comprising an oil filler pipe (14), said oil filler pipe (14) being located on the top plate (2), said oil filler pipe (14) being in communication with the interior of the tank (1).

4. A transformer core base according to claim 3, further comprising a sealing cap (15), wherein the sealing cap (15) is screwed and fixed at the upper port of the oil filling pipe (14).

5. The transformer core base according to claim 1, further comprising channel frames (16), wherein the bottom beam (10) is an inverted channel steel, at least 2 channel frames (16) are screwed and fixed at the lower end of the bottom beam (10), a rotating shaft is arranged in each channel frame (16), and the wheel body (11) is connected to the rotating shaft.