CN213958703U

CN213958703U - Oil-immersed transformer protective cover

Info

Publication number: CN213958703U
Application number: CN202022772214.4U
Authority: CN
Inventors: 张艳平; 郑建; 张熙娅; 郑雄
Original assignee: Liupanshui Xingtai Transformer Co ltd
Current assignee: Liupanshui Xingtai Transformer Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-08-13
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses an oil-immersed transformer protection casing, including transformer body and protection casing body, the lateral wall of protection casing body is provided with a plurality of through wires holes, the connecting rod that a plurality of symmetries of lower lateral wall fixedly connected with of protection casing body set up, the stopper that two symmetries of lateral wall fixedly connected with of connecting rod set up, the fixed pipe that a plurality of symmetries of lateral wall fixedly connected with of transformer body set up, and fixed pipe and connecting rod one-to-one, the lateral wall of fixed pipe is provided with the working chamber, the lateral wall sliding connection of working chamber has the slider, the lower lateral wall fixedly connected with spring of slider, and the other end of spring is fixed with the bottom of working chamber, the first spout that two symmetries set up is seted up to the lateral wall of working chamber. The oil-immersed transformer protective cover is simple and practical in structure, rapid installation and disassembly of the protective cover can be achieved, and the efficiency of early-stage installation and later-stage maintenance is improved.

Description

Oil-immersed transformer protective cover

Technical Field

The utility model relates to a transformer equipment technical field specifically is oil-immersed transformer protection casing.

Background

The oil-immersed transformer is a box type transformer which takes mineral oil as a main insulating medium and a cooling medium of the transformer, a main body element of the transformer is immersed into an oil tank filled with the mineral oil, and a wiring terminal is led out of the top of an oil tank cover.

Oil-immersed transformer comprises oil tank, oil tank cap, the electric elements of setting inside the oil tank, sets up at the outside fin of oil tank and the binding post that sets up on oil tank cap upper portion, the binding cable divide into high voltage binding post and low pressure leading-out terminal two types again, in order to avoid directly exposing externally such as leading-out cable and binding post, sets up the protection casing on oil tank cap upper portion usually, but current protection casing adopts welded fastening or bolt fixed connection, can't be fixed with the protection casing fast and dismantle when installation in the past and later maintenance overhaul and cause staff's maintenance inefficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil-immersed transformer protection casing possesses the installation of being convenient for and dismantles, improves the advantage of installation and maintenance efficiency to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the oil-immersed transformer protective cover comprises a transformer body and a protective cover body, wherein a plurality of threading holes are formed in the side wall of the protective cover body, a plurality of connecting rods which are symmetrically arranged are fixedly connected to the lower side wall of the protective cover body, two limiting blocks which are symmetrically arranged are fixedly connected to the side wall of the connecting rods, a plurality of fixing pipes which are symmetrically arranged are fixedly connected to the side wall of the transformer body, the fixing pipes correspond to the connecting rods one to one, a working cavity is formed in the side wall of each fixing pipe, a sliding block is slidably connected to the side wall of the working cavity, a spring is fixedly connected to the lower side wall of the sliding block, the other end of the spring is fixed to the bottom of the working cavity, two first sliding grooves which are symmetrically arranged are formed in the side wall of the working cavity, the first sliding grooves are matched with the limiting, the lateral wall of thread bush sets up the second spout that two symmetries set up, the second spout runs through the lateral wall setting of thread bush, and second spout and stopper phase-match, the lateral wall that the thread bush is close to the transformer body has seted up the spacing groove, and spacing groove and stopper phase-match.

Preferably, the side wall of the threaded sleeve is provided with a plurality of grooves arranged in an array, and the side wall of each groove is vulcanized with a rubber pad.

Preferably, the side wall of connecting rod fixedly connected with reinforcing plate, and the reinforcing plate is fixed with the lateral wall of protection casing body.

Preferably, the connecting rod and the side wall of the working cavity are both provided with smooth films.

Preferably, the lateral wall of threading hole is provided with the chamfer, and the fixed cover of lateral wall in threading hole is equipped with the rubber pad.

Preferably, the side wall of the protective cover body is provided with an epoxy resin anticorrosive paint, and the side wall of the protective cover body matched with the transformer body is fixedly connected with a sealing ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this kind of oil-immersed transformer protection casing, through setting up the connecting rod, the stopper etc., when needs are installed, at first, adjust first spout and second spout well, then insert the stopper in the first spout along the second spout, the connecting rod slides in the working chamber simultaneously, and offset with the slider, make the spring shrink, then rotate the thread bush and adjust spacing groove well with the stopper, the elasticity of spring is with the stopper chucking in the spacing groove, thereby realized the quick installation to the protection casing body, make simple to operate, the efficiency of installation has been improved.

2. This kind of oil-immersed transformer protection casing, through setting up thread bush, second spout etc. when needing to dismantle, only need press the protection casing body for the connecting rod extrudees to the working chamber in, and the stopper is deviate from the spacing groove this moment, then rotates the thread bush, makes second spout and stopper adjust well and can take out the protection casing body, has realized dismantling the quick of protection casing body, makes the dismantlement convenient, has improved the efficiency that later maintenance overhauld.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic bottom perspective view of the present invention;

FIG. 3 is a schematic cross-sectional view of the fixing tube of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 5 is an enlarged view of the structure at B in FIG. 2;

fig. 6 is an enlarged schematic view of the structure at C in fig. 3.

In the figure: 1. a transformer body; 2. a protective cover body; 3. a connecting rod; 4. a fixed tube; 5. a limiting block; 6. a first chute; 7. a threaded sleeve; 8. a second chute; 9. a limiting groove; 10. a groove; 11. a working chamber; 12. a reinforcing plate; 13. a spring; 14. a slider; 15. and (6) threading holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: the oil-immersed transformer protective cover comprises a transformer body 1 and a protective cover body 2, wherein the side wall of the protective cover body 2 is provided with a plurality of threading holes 15, the lower side wall of the protective cover body 2 is fixedly connected with a plurality of connecting rods 3 which are symmetrically arranged, the side wall of the connecting rods 3 is fixedly connected with two limiting blocks 5 which are symmetrically arranged, the side wall of the transformer body 1 is fixedly connected with a plurality of fixed tubes 4 which are symmetrically arranged, the fixed tubes 4 correspond to the connecting rods 3 one by one, the side wall of each fixed tube 4 is provided with a working chamber 11, the side wall of the working chamber 11 is slidably connected with a sliding block 14, the lower side wall of the sliding block 14 is fixedly connected with a spring 13, the other end of the spring 13 is fixed with the bottom of the working chamber 11, the side wall of the working chamber 11 is provided with two first sliding grooves 6 which are symmetrically arranged, the first sliding grooves 6 are matched with the limiting blocks 5, and the side wall of one end of the fixed tube 4, which is far away from the transformer body 1, is in threaded connection with a threaded sleeve 7, the side wall of the thread bushing 7 is provided with two second sliding grooves 8 which are symmetrically arranged, the second sliding grooves 8 penetrate through the side wall of the thread bushing 7, the second sliding grooves 8 are matched with the limiting blocks 5, the side wall of the thread bushing 7, which is close to the transformer body 1, is provided with limiting grooves 9, the limiting grooves 9 are matched with the limiting blocks 5, when the protective cover needs to be installed, the first sliding grooves 6 and the second sliding grooves 8 are aligned firstly, then the limiting blocks 5 are inserted into the first sliding grooves 6 along the second sliding grooves 8, meanwhile, the connecting rods 3 slide in the working cavities 11 and abut against the sliding blocks 14, so that the springs 13 are contracted, then the limiting grooves 9 are aligned with the limiting blocks 5 by rotating the thread bushing 7, the limiting blocks 5 are clamped in the limiting grooves 9 by the elasticity of the springs 13, thereby realizing the quick installation of the protective cover body 2, leading the installation to be convenient, improving the installation efficiency, when the protective cover needs to be disassembled, only by pressing the protective cover body 2, make connecting rod 3 to the extrusion in the working chamber 11, stopper 5 deviates from spacing groove 9 this moment, then rotate thread bush 7 for second spout 8 is adjusted well with stopper 5 and can be taken out protection casing body 2, has realized dismantling the quick of protection casing body 2, and it is convenient to make dismantle, has improved the efficiency of later maintenance and repair.

The lateral wall of thread bush 7 is seted up the recess 10 that a plurality of arrays set up, and the lateral wall of recess 10 vulcanizes there is the rubber pad, and the operator of being convenient for rotates thread bush 7.

The lateral wall fixedly connected with reinforcing plate 12 of connecting rod 3, and reinforcing plate 12 is fixed with the lateral wall of protection casing body 2, improves the joint strength of connecting rod 3 and protection casing body 2.

The connecting rod 3 and the lateral wall of working chamber 11 all are provided with smooth film, reduce the frictional force when sliding for connecting rod 3 is more smooth and easy when working chamber 11 internal motion.

The lateral wall of threading hole 15 is provided with the chamfer, and the fixed cover of lateral wall of threading hole 15 is equipped with the rubber pad, and the cable of being convenient for passes, avoids its surface damage simultaneously.

The lateral wall of protection casing body 2 is provided with epoxy anti-corrosion coating, and protection casing body 2 and transformer body 1 matched with lateral wall fixedly connected with sealing washer avoid it to be corroded, prolongs its life, guarantees its leakproofness with transformer body 1 simultaneously, avoids entering such as rainwater and dust.

The working principle is as follows: when the protective cover is installed and used, firstly, the first sliding groove 6 and the second sliding groove 8 are aligned, then the limiting block 5 is inserted into the first sliding groove 6 along the second sliding groove 8, meanwhile, the connecting rod 3 slides in the working cavity 11 and abuts against the sliding block 14, so that the spring 13 is contracted, then the thread bushing 7 is rotated to align the limiting groove 9 with the limiting block 5, the elastic force of the spring 13 clamps the limiting block 5 in the limiting groove 9, thereby realizing the rapid installation of the protective cover body 2, facilitating the installation, improving the installation efficiency, when the protective cover needs to be disassembled, only the protective cover body 2 needs to be pressed, so that the connecting rod 3 is extruded into the working cavity 11, at the moment, the limiting block 5 is separated from the limiting groove 9, then the thread bushing 7 is rotated, so that the second sliding groove 8 is aligned with the limiting block 5, the protective cover body 2 can be taken out, thereby realizing the rapid disassembly of the protective cover body 2, facilitating the disassembly, the efficiency of later maintenance is improved.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. Oil-immersed transformer protection casing, including transformer body (1) and protection casing body (2), the lateral wall of protection casing body (2) is provided with a plurality of through wires hole (15), its characterized in that: the protective cover comprises a protective cover body (2), wherein a plurality of connecting rods (3) which are symmetrically arranged are fixedly connected to the lower side wall of the protective cover body (2), two limit blocks (5) which are symmetrically arranged are fixedly connected to the side wall of the connecting rods (3), a plurality of fixed pipes (4) which are symmetrically arranged are fixedly connected to the side wall of the transformer body (1), the fixed pipes (4) correspond to the connecting rods (3) one by one, a working chamber (11) is arranged on the side wall of each fixed pipe (4), a sliding block (14) is slidably connected to the side wall of the working chamber (11), a spring (13) is fixedly connected to the lower side wall of the sliding block (14), the other end of the spring (13) is fixed to the bottom of the working chamber (11), two first sliding grooves (6) which are symmetrically arranged are formed in the side wall of the working chamber (11), the first sliding grooves (6) are matched with the limit blocks (5), and a thread sleeve (7) is connected to the side wall of one end, far away from the transformer body (1), of the fixed pipe (4), the lateral wall of thread bush (7) sets up second spout (8) that two symmetries set up, the lateral wall setting that thread bush (7) are run through in second spout (8), and second spout (8) and stopper (5) phase-match, spacing groove (9) have been seted up to the lateral wall that thread bush (7) are close to transformer body (1), and spacing groove (9) and stopper (5) phase-match.

2. The oil filled transformer shield of claim 1, wherein: the side wall of the threaded sleeve (7) is provided with a plurality of grooves (10) which are arranged in an array mode, and rubber pads are vulcanized on the side wall of each groove (10).

3. The oil filled transformer shield of claim 1, wherein: the side wall of connecting rod (3) fixedly connected with reinforcing plate (12), and reinforcing plate (12) are fixed with the lateral wall of protection casing body (2).

4. The oil filled transformer shield of claim 1, wherein: the side walls of the connecting rod (3) and the working cavity (11) are provided with smooth films.

5. The oil filled transformer shield of claim 1, wherein: the lateral wall of threading hole (15) is provided with the chamfer, and the fixed cover of lateral wall of threading hole (15) is equipped with the rubber pad.

6. The oil filled transformer shield of claim 1, wherein: the side wall of the protective cover body (2) is provided with an epoxy resin anticorrosive paint, and the side wall of the protective cover body (2) matched with the transformer body (1) is fixedly connected with a sealing ring.