CN212724911U

CN212724911U - Oil-immersed transformer capable of protecting connection interface

Info

Publication number: CN212724911U
Application number: CN202021917453.8U
Authority: CN
Inventors: 刘淼财
Original assignee: Zhejiang Xibian Power Equipment Co ltd
Current assignee: Zhejiang Xibian Power Equipment Co ltd
Priority date: 2020-09-05
Filing date: 2020-09-05
Publication date: 2021-03-16
Anticipated expiration: 2030-09-05

Abstract

The utility model discloses an oil-immersed transformer that can protect connection interface, including transformer body, rotary rod and high-tension bushing, this internal first spring that is fixed with of transformer, and first spring end fixes on the movable rod to the movable rod setting is originally internal at the transformer, is fixed with the gag lever post on the movable rod simultaneously, the rotary rod sets up in the protective housing, and is fixed with solid fixed ring on the rotary rod to be provided with the baffle on the rotary rod, rotary rod left end and screw hole interconnect, and the screw hole setting is in the protective housing, high-tension bushing fixes on the transformer body. This can carry out oil-immersed transformer that protects to connection interface adopts adjustable hasp protective structure to protect the high-tension bushing interface, can be according to high-tension bushing's altitude mixture control protective structure to the high-tension bushing who adapts to not unidimensional protects, adopts the baffle fixed, thereby makes the external connection independently part, avoids the external connection winding to lead to the short circuit.

Description

Oil-immersed transformer capable of protecting connection interface

Technical Field

The utility model relates to an oil-immersed transformer technical field specifically is an oil-immersed transformer that can protect connection interface.

Background

The oil-immersed transformer is one kind of transformer, mainly comprises iron core, winding, oil tank, conservator, insulation support, tap switch and gas relay etc. and oil-immersed transformer compares in traditional transformer, has advantages such as insulating nature is good and the heat conductivity is good.

Along with the development of society, the electric energy becomes one of the indispensable energy in people's life, and will convert high-voltage current into the low-voltage current that uses in the daily life, must use the transformer to carry out the conversion, because oil-immersed transformer's advantage makes oil-immersed transformer be used by a large amount, and the transformer need protect high-tension bushing wiring mouth in transportation and later stage use, avoids high-tension bushing wiring mouth to damage.

The existing high-voltage bushing wiring port is basically exposed outside or is protected by a simple outer rubber sleeve, the problem that short circuit and the like are caused due to inconvenient installation, inconvenient adjustment and easy winding of an external wire exists in the protection structure, and therefore the traditional high-voltage bushing wiring port protection structure needs to be improved aiming at the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can carry out the oil-immersed transformer that protects to connection interface to propose inconvenient installation, inconvenient regulation and the easy winding of external connection and lead to the problem of short circuit in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an oil-immersed transformer capable of protecting a connection interface comprises a transformer body, a rotary rod and a high-voltage bushing, wherein a first spring is fixed in the transformer body, the tail end of the first spring is fixed on a movable rod, the movable rod is arranged in the transformer body, a limiting rod is fixed on the movable rod, the limiting rod is connected with a protective box, a movable box is arranged in the protective box, a limiting plate is fixed at the bottom end of the movable box, a second spring is fixed in the movable box, a convex rod is fixed at the tail end of the second spring and is connected with a through hole, the through hole is formed in the protective box, the rotary rod is arranged in the protective box, a fixing ring is fixed on the rotary rod, a partition plate is arranged on the rotary rod, a shifting wheel is fixed at the right end of the rotary rod, the left end of the rotary rod is connected with a threaded hole, and the threaded hole is arranged in the protective box, the high-voltage bushing is fixed on the transformer body.

Preferably, the movable rod forms an elastic mechanism with the transformer body through a first spring, and the movable rod forms a clamping connection with the protective box through a limiting rod.

Preferably, the protective box and the transformer body are vertically distributed, and the protective box is in sliding connection with the movable box.

Preferably, the protruding rod and the movable box form an elastic mechanism through a second spring, and the protruding rod is connected with the through hole in a clamping manner.

Preferably, the rotary rod is in threaded connection with the protective box through a threaded hole, and the length of the rotary rod is larger than the width of the protective box.

Preferably, the partition boards are in sliding connection with the rotating rods, and the number of the partition boards is 4.

Compared with the prior art, the beneficial effects of the utility model are that: this can carry out oil-immersed transformer that protects to connection interface adopts adjustable hasp protective structure to protect the high-tension bushing interface, can be according to high-tension bushing's altitude mixture control protective structure to the high-tension bushing who adapts to not unidimensional protects, adopts the baffle fixed, thereby makes the external connection independently part, avoids the external connection winding to lead to the short circuit.

1. Through pressing down the protruding pole, the effect of cooperation second spring, through-hole and limiting plate can make the movable box slide in the protective housing to adjust the height of movable box, and then adjust protective structure's height, the realization is protected not unidimensional high-tension bushing.

2. Through rotating the thumb wheel, the effect of cooperation rotary rod, screw hole, solid fixed ring and baffle can be separated in order the external connection, avoids winding between the external connection to cause danger.

Drawings

Fig. 1 is a schematic view of a front cross-sectional structure of a transformer body of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic side view of the protective box of the present invention;

FIG. 4 is a rear view of the protection box of the present invention;

fig. 5 is a rear view structural diagram of the threaded hole of the present invention;

fig. 6 is a schematic side view of the rotary rod of the present invention.

In the figure: 1. a transformer body; 2. a first spring; 3. a movable rod; 4. a limiting rod; 5. a protective box; 6. a movable box; 7. a limiting plate; 8. a second spring; 9. a nose bar; 10. a through hole; 11. rotating the rod; 12. a fixing ring; 13. a partition plate; 14. a thumb wheel; 15. a threaded hole; 16. a high voltage bushing.

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: an oil-immersed transformer capable of protecting a connection interface comprises a transformer body 1, a first spring 2, a movable rod 3, a limiting rod 4, a protective box 5, a movable box 6, a limiting plate 7, a second spring 8, a convex rod 9, a through hole 10, a rotary rod 11, a fixing ring 12, a partition plate 13, a thumb wheel 14, a threaded hole 15 and a high-voltage sleeve 16, wherein the first spring 2 is fixed in the transformer body 1, the tail end of the first spring 2 is fixed on the movable rod 3, the movable rod 3 is arranged in the transformer body 1, the limiting rod 4 is fixed on the movable rod 3, the limiting rod 4 is connected with the protective box 5, the movable box 6 is arranged in the protective box 5, the limiting plate 7 is fixed at the bottom end of the movable box 6, the second spring 8 is fixed in the movable box 6, the convex rod 9 is fixed at the tail end of the second spring 8, the convex rod 9 is connected with the through hole 10, and the through hole 10 is arranged on the protective box 5, the setting of rotary rod 11 is in guard box 5, and is fixed with solid fixed ring 12 on the rotary rod 11 to be provided with baffle 13 on the rotary rod 11, the rotary rod 11 right-hand member is fixed with thumb wheel 14 simultaneously, 11 left ends of rotary rod and screw hole 15 interconnect, and screw hole 15 sets up in guard box 5, and high-voltage bushing 16 fixes on transformer body 1.

The movable rod 3 constitutes elastic mechanism through first spring 2 and transformer body 1, and the movable rod 3 constitutes the block through gag lever post 4 and protective housing 5 and is connected, when protective housing 5 and transformer body 1 mutually supported, can be through the effect of gag lever post 4 and realize the fixed between protective housing 5 and the transformer body 1 to protect high-tension bushing 16.

Guard box 5 and transformer body 1 are the vertical distribution, and be sliding connection between guard box 5 and the movable box 6, through removing movable box 6, can adjust the height of guard box 5 and the combination of movable box 6 to the realization protects not unidimensional high-tension bushing 16.

Protruding pole 9 constitutes elastic mechanism through second spring 8 and movable box 6, and protruding pole 9 is connected for the block with through-hole 10, through pressing protruding pole 9, makes protruding pole 9 break away from with through-hole 10, and then removes the fixed action between protective housing 5 and the movable box 6, makes things convenient for movable box 6's removal adjustment height, makes protruding pole 9 and through-hole 10 block through second spring 8's effect after adjusting to realize the fixed between protective housing 5 and the movable box 6.

Rotary rod 11 is threaded connection through screw hole 15 and protective housing 5, and rotary rod 11 length is greater than protective housing 5's width, guarantees to drive rotary rod 11 when rotating thumb wheel 14 and rotate, can make baffle 13 fix the external connection line, avoids the external connection line to rock the winding.

For sliding connection between baffle 13 and the rotary rod 11, and the quantity of baffle 13 is 4, can divide in order a plurality of external lines, avoids the external line winding to lead to the circuit short circuit.

The working principle is as follows: when the oil-immersed transformer capable of protecting the connection interface is used, firstly, the height of the protective shell is adjusted according to the height of the high-voltage bushing 16, the convex rod 9 is pressed firstly, so that the convex rod 9 is separated from the through hole 10 on the protective box 5, the limiting fixing effect between the protective box 5 and the movable box 6 is relieved, the movable box 6 is pulled, the movable box 6 slides in the protective box 5, the combined height of the protective box 5 and the movable box 6 is adjusted, after the adjustment is finished, the convex rod 9 is loosened, and the convex rod 9 is clamped with the through hole 10 under the elastic action of the second spring 8, so that the limiting fixing effect between the protective box 5 and the movable box 6 is realized, as shown in fig. 1, fig. 2 and fig. 3;

after the heights of the protective box 5 and the movable box 6 are adjusted, external lines are connected with a high-voltage sleeve 16, after the connection is completed, the movable rod 3 is pushed, the protective box 5 is installed and matched with the transformer body 1, the movable rod 3 is loosened after the protective box 5 is matched with a groove on the transformer body 1, a limiting rod 4 on the movable rod 3 is clamped with the groove at the bottom end of the protective box 5 under the action of a first spring 2, so that the protective box 5 is fixed with the transformer body 1, as shown in figure 1, the high-voltage sleeve 16 is comprehensively protected by a protective cover consisting of the protective box 5 and the movable box 6, the external lines are inserted through the groove at the rear end of the protective box 5, a plurality of external lines are respectively clamped into arc-shaped grooves of adjacent partition plates 13 and rotate a poking wheel 14, so as to drive a rotary rod 11 to rotate, and the rotary rod 11 is moved rightwards through the meshing action of the rotary rod, thereby drive solid fixed ring 12 and move right, and then drive baffle 13 and slide right under solid fixed ring 12's effect, make baffle 13 fix external line, avoid the winding, as shown in fig. 4, when needing to dismantle the maintenance, only need according to above-mentioned principle reverse operation can, this is the theory of operation that should carry out the oil-immersed transformer that protects to the connection interface.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a can protect oil-immersed transformer to connection interface, includes transformer body (1), rotary rod (11) and high-voltage bushing (16), its characterized in that: the transformer comprises a transformer body (1), a first spring (2) is fixed in the transformer body (1), the tail end of the first spring (2) is fixed on a movable rod (3), the movable rod (3) is arranged in the transformer body (1), a limiting rod (4) is fixed on the movable rod (3), the limiting rod (4) is connected with a protective box (5), a movable box (6) is arranged in the protective box (5), a limiting plate (7) is fixed at the bottom end of the movable box (6), a second spring (8) is fixed in the movable box (6), a convex rod (9) is fixed at the tail end of the second spring (8), the convex rod (9) is connected with a through hole (10), the through hole (10) is formed in the protective box (5), a rotary rod (11) is arranged in the protective box (5), a fixing ring (12) is fixed on the rotary rod (11), and a partition plate (13) is arranged on the rotary rod (11), simultaneously rotary rod (11) right-hand member is fixed with thumb wheel (14), rotary rod (11) left end and screw hole (15) interconnect, and screw hole (15) set up in guard box (5), high-tension bushing (16) are fixed on transformer body (1).

2. The oil-filled transformer capable of protecting the connection interface according to claim 1, wherein: the movable rod (3) forms an elastic mechanism with the transformer body (1) through the first spring (2), and the movable rod (3) forms a clamping connection with the protective box (5) through the limiting rod (4).

3. The oil-filled transformer capable of protecting the connection interface according to claim 1, wherein: the protective box (5) and the transformer body (1) are vertically distributed, and the protective box (5) is connected with the movable box (6) in a sliding mode.

4. The oil-filled transformer capable of protecting the connection interface according to claim 1, wherein: the convex rod (9) and the movable box (6) form an elastic mechanism through a second spring (8), and the convex rod (9) is connected with the through hole (10) in a clamping manner.

5. The oil-filled transformer capable of protecting the connection interface according to claim 1, wherein: the rotary rod (11) is in threaded connection with the protective box (5) through the threaded hole (15), and the length of the rotary rod (11) is larger than the width of the protective box (5).

6. The oil-filled transformer capable of protecting the connection interface according to claim 1, wherein: the partition plates (13) are in sliding connection with the rotating rods (11), and the number of the partition plates (13) is 4.