CN218525438U

CN218525438U - Transformer bushing

Info

Publication number: CN218525438U
Application number: CN202221570795.6U
Authority: CN
Inventors: 张灏; 张茜; 张永利
Original assignee: Shenyang Longtian Transformer Equipment Co ltd
Current assignee: Shenyang Longtian Transformer Equipment Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2023-02-24
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses a transformer bushing, including the sleeve pipe, two the outside of round shell all is provided with the protecting crust, two the inboard of protecting crust is laminated mutually, two the outside of round shell is provided with protection machanism, and protection machanism includes limiting plate, spacing shell and first spring, the inner wall of limiting plate and the outer wall fixed connection of round shell, the outer wall activity of limiting plate links to each other has spacing shell, the outside of spacing shell and the inner wall fixed connection of protecting crust, the outer wall of round shell and the inner wall rigid coupling of protecting crust have first spring. The utility model relates to a transformer bushing technical field through the cooperation between square, shell and the controller, has improved the protection effect to pure porcelain bushing, has solved current device and has only adopted the round shell to protect the sleeve pipe when carrying out the during operation, and protection effect is poor in the in-service use, causes the problem of pure porcelain bushing's damage easily, has reduced use cost.

Description

Transformer bushing

Technical Field

The utility model relates to a transformer bushing technical field specifically is a transformer bushing.

Background

The transformer bushing is a main insulation device outside a transformer box, leading-out wires of a transformer winding must penetrate through the insulation bushing to enable the leading-out wires and a transformer shell to be insulated, and meanwhile, the leading-out wires are fixed.

The transformer bushing is an insulating bushing for leading high and low voltage leads inside a transformer to the outside of an oil tank, not only serves as a lead for insulation against the ground, but also plays a role of fixing the lead, is one of current-carrying elements of the transformer, passes load current for a long time in the running process of the transformer, and passes short-circuit current when short circuit occurs outside the transformer, so that the transformer bushing has the following requirements of having specified electrical strength and enough mechanical strength, having good thermal stability, bearing instant overheating during short circuit, having small appearance, small quality, good sealing performance, strong universality and being convenient to maintain.

But current device only adopts the round shell to protect the sleeve pipe when carrying out the work, and the protection effect is poor in the in-service use, causes the damage of pure porcelain sleeve pipe easily, has increased use cost.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a transformer bushing has solved current device and has only adopted the round shell to protect the sleeve pipe when carrying out the during operation, and protection effect is poor in the in-service use, causes the damage of pure porcelain sleeve pipe easily, has increased use cost's problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a transformer bushing, includes the sleeve pipe, sheathed tube outer wall swing joint has two circle shells, two the inboard of circle shell is laminated mutually, two the circle shell passes through coupling mechanism fixed connection, two the inner wall one side of circle shell all has an arc section of thick bamboo, two through the bolt rigid coupling the inner wall of arc section of thick bamboo links to each other with the activity of sheathed tube outer wall both sides respectively, two the outside of circle shell all is provided with the protecting crust, two the inboard of protecting crust is laminated mutually, two the outside of circle shell is provided with protection machanism, protection machanism includes limiting plate, spacing shell and first spring, the inner wall of limiting plate and the outer wall fixed connection of circle shell, the outer wall activity of limiting plate links to each other there is spacing shell, the outside of spacing shell and the inner wall fixed connection of protecting crust, the outer wall of circle shell and the inner wall rigid coupling of protecting crust have first spring.

Preferably, the inner wall one side rigid coupling of protecting crust has the curved bar, the outer wall one side activity of curved bar links to each other there is the shell, the bottom fixed connection of bolt and round shell is passed through at the top of shell, the inner wall sliding clamping of shell has the slider, one side of slider and the one end fixed connection of curved bar, the bottom rigid coupling of slider has the square, the outer wall top of square links to each other with the bottom through-hole activity of shell, the bottom rigid coupling of shell has a plurality of switches, and is a plurality of the top of switch links to each other there is the controller, two through the wire electrical property the back of controller respectively with the positive both sides fixed connection of shell.

Preferably, the two switches are symmetrically distributed with respect to the center of the housing.

Preferably, coupling mechanism includes square plate, riser, arc, diaphragm, a horizontal section of thick bamboo, round bar, baffle, casing and second spring, two the back of square plate and the positive fixed connection of two round shells, two the inboard of square plate is laminated mutually, one side the front of square plate has the riser through the bolt rigid coupling, the bottom recess activity of riser links to each other there is the arc, one side rigid coupling of arc has the diaphragm, one side of diaphragm rotates through the round pin axle with the front of opposite side square plate and links to each other, the top rigid coupling of diaphragm has a horizontal section of thick bamboo, the inner wall activity of a horizontal section of thick bamboo links to each other there is the round bar, the outer wall activity of round bar links to each other there is the casing, the back of casing and the positive fixed connection of opposite side square plate, the one end rigid coupling of round bar has the baffle, the outer wall of baffle and the inner wall slip joint of casing, one side of baffle and inner wall one side of casing of inner wall rigid coupling have two second springs.

Preferably, the upper part of the outer wall of the arc-shaped rod is matched with the shape of the bottom groove of the vertical plate.

Advantageous effects

The utility model provides a transformer bushing. The method has the following beneficial effects: this transformer bushing has improved the protection effect to pure porcelain bushing through the cooperation between square, shell and the controller, has solved current device and has only adopted the round shell to protect the sleeve pipe when carrying out the during operation, and the protection effect is poor in the in-service use, causes the problem of pure porcelain bushing's damage easily, has reduced use cost.

Through the cooperation between riser, arc pole and the diaphragm, realized protection architecture's quick installation, the person of facilitating the use carries out the continuity of operation, has shortened operating time, has improved work efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an external view of the present invention;

FIG. 3 is a schematic diagram of the block, housing and controller of FIG. 1;

fig. 4 is a schematic structural view of the vertical plate, the arc-shaped rods and the transverse plate in fig. 1.

In the figure: 1. the sleeve pipe, 2, round shell, 3, a curved tube, 4, protective shell, 5, spring, 6, limiting plate, 7, limiting shell, 8, curved bar, 9, slider, 10, square, 11, shell, 12, controller, 13, switch, 14, square, 15, riser, 16, curved bar, 17, diaphragm, 18, a horizontal tube, 19, round bar, 20, baffle, 21, casing, 22, second spring.

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.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through a wire, and an appropriate controller and an appropriate encoder should be selected according to actual conditions to meet control requirements, and specific connection and control sequences should be obtained.

The first embodiment is as follows: as can be seen from fig. 1-3, a transformer bushing includes a bushing 1, the outer wall of the bushing 1 is movably connected with two circular shells 2, the inner sides of the two circular shells 2 are attached to each other, the two circular shells 2 are fixedly connected to each other through a connecting mechanism, one sides of the inner walls of the two circular shells 2 are fixedly connected to each other through bolts, the inner walls of the two circular shells 3 are movably connected to both sides of the outer wall of the bushing 1, the two circular shells 3 can limit the bushing 1, the two circular shells 2 are prevented from moving up and down, the outer sides of the two circular shells 2 are provided with protective shells 4, the inner sides of the two protective shells 4 are attached to each other, the outer sides of the two circular shells 2 are provided with a protective mechanism, the protective mechanism includes a limiting plate 6, a limiting shell 7 and a first spring 5, the inner wall of the limiting plate 6 is fixedly connected to the outer wall of the circular shells 2, the outer wall of the limiting plate 6 is movably connected to each other through a limiting shell 7, the inner side of the limiting shell 7 is of an open design, the limiting shell 7 can move on the outer wall of the limiting plate 6, the limiting plate 7 and the limiting plate 6 can support the limiting plate 4, the outer wall of the protecting shell 7 is fixedly connected to the inner wall of the protective shell 2;

in the specific implementation process, it is worth particularly pointing out that the protection effect on the pure porcelain bushing is improved through the cooperation among the square block 10, the shell 11 and the controller 12, the problem that the existing device only adopts the round shell 2 to protect the bushing when working, the protection effect is poor in actual use, and the pure porcelain bushing is easily damaged is solved, and the use cost is reduced;

furthermore, a curved bar 8 is fixedly connected to one side of the inner wall of the protective shell 4, a shell 11 is movably connected to one side of the outer wall of the curved bar 8, the curved bar 8 can move in a through hole of the shell 11, the shell 11 is circular, a plurality of switches 13 are distributed on the bottom of the shell 11 in an annular and equidistant manner, the top of the shell 11 is fixedly connected with the bottom of the circular shell 2 through bolts, a sliding block 9 is slidably clamped on the inner wall of the shell 11, the sliding block 9 can move inside the shell 11, one side of the sliding block 9 is fixedly connected with one end of the curved bar 8, a square block 10 is fixedly connected to the bottom of the sliding block 9, the upper part of the outer wall of the square block 10 is movably connected with the through hole at the bottom of the shell 11, the through hole at one side of the shell 11 is larger than the cross section of the curved bar 8 and can completely allow the curved bar 8 to move in the through hole of the shell 11, the bottom of the shell 11 is fixedly connected with a plurality of switches 13, the tops of the switches 13 are electrically connected with a controller 12 through wires, the type of the controller 12 is not limited, and the back sides of the two controllers 12 are fixedly connected with the front side of the shell 11;

in the specific implementation process, the device is worthy of particularly pointing out that the device realizes early warning after the sleeve 1 is impacted, timely positions the sleeve, facilitates a user to find the impacted position for checking, and avoids influencing the normal work of the transformer;

further, the two switches 13 are symmetrically distributed with respect to the center of the housing 11;

in the specific implementation process, it is worth particularly pointing out that the two switches 13 are symmetrically distributed left and right with respect to the center of the housing 11, so as to ensure that the touch distances of the squares 10 are the same;

specifically, when using this transformer bushing, sleeve pipe 1 receives the impact and can at first contact protecting crust 4, protecting crust 4 at first can drive first spring 5 compression, rely on first spring 5's elastic deformation can cushion the impact, the protecting effect of device has been improved, when the impact dynamics is too big, slider 9 drives 10 motion contact of square to one of them switch 13, switch 13 receives to contact after with signal transmission to controller 12, controller 12 controls external equipment and reminds the user, be convenient for overhaul work.

Example two: as can be seen from fig. 1, 2 and 4, the connecting mechanism includes square plates 14, vertical plates 15, arc-shaped rods 16, horizontal plates 17, horizontal tubes 18, circular rods 19, baffles 20, a housing 21 and second springs 22, the back surfaces of the two square plates 14 are fixedly connected with the front surfaces of the two round shells 2, the inner sides of the two square plates 14 are attached to each other, the vertical plates 15 are fixedly connected to the front surface of one square plate 14 through bolts, the arc-shaped rods 16 are movably connected to the bottom grooves of the vertical plates 15, the arc-shaped rods 16 can move in the bottom grooves of the vertical plates 15, the horizontal plates 17 are fixedly connected to one sides of the arc-shaped rods 16, one sides of the horizontal plates 17 are rotatably connected to the front surfaces of the other square plates 14 through pin shafts, the horizontal plates 17 can rotate through pin shafts, the top portions of the horizontal tubes 18 are fixedly connected to the top portions of the horizontal tubes 17, the inner walls of the horizontal tubes 18 are movably connected to the circular rods 19, the outer walls of the circular rods 19 are movably connected to the housing 21, the back surface of the housing 21 is fixedly connected to the front surface of the other square plate 14, one ends of the circular rods 19 are fixedly connected to the baffles 20, the outer walls of the baffles 20 are slidably connected to the inner walls of the housing 21, and the second springs 22 are fixedly connected to one sides of the housing 22;

in the specific implementation process, it is worth particularly pointing out that through the cooperation among the vertical plate 15, the arc-shaped rod 16 and the transverse plate 17, the protection structure is quickly installed, a user can conveniently perform continuous operation, the working time is shortened, and the working efficiency is improved;

furthermore, the upper part of the outer wall of the arc-shaped rod 16 is matched with the shape of the groove at the bottom of the vertical plate 15;

in the specific implementation process, it is worth particularly pointing out that the upper part of the outer wall of the arc-shaped rod 16 is matched with the shape of the bottom groove of the vertical plate 15, so that the tight clamping of the two can be ensured;

specifically, on the basis of the first embodiment, after the user takes off the round case 2, the user can press the baffle 20 through the through hole of the housing 21, the baffle 20 can drive the round rod 19 to separate from the groove of the transverse cylinder 18 when moving, the transverse plate 17 rotates under the action of gravity, at this time, two round cases 2 can be transversely pulled apart and taken off, and the second spring 22 can drive the round rod 19 to be always inserted into the groove of the transverse cylinder 18 by means of elastic deformation of the second spring 22.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "disposed", "connected", "fixed", "screwed" and the like are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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. A transformer bushing comprising a bushing (1), characterized in that: the outer wall of the sleeve (1) is movably connected with two round shells (2), the inner sides of the two round shells (2) are attached to each other, the two round shells (2) are fixedly connected with each other through a connecting mechanism, one sides of the inner walls of the two round shells (2) are fixedly connected with arc cylinders (3) through bolts, the inner walls of the two arc cylinders (3) are movably connected with the two sides of the outer wall of the sleeve (1) respectively, protective shells (4) are arranged on the outer sides of the two round shells (2), the inner sides of the two protective shells (4) are attached to each other, and protective mechanisms are arranged on the outer sides of the two round shells (2);

the protection mechanism comprises a limit plate (6), a limit shell (7) and a first spring (5);

the inner wall of limiting plate (6) and the outer wall fixed connection of round shell (2), the outer wall activity of limiting plate (6) links to each other has spacing shell (7), the outside of spacing shell (7) and the inner wall fixed connection of protecting crust (4), the outer wall of round shell (2) and the inner wall rigid coupling of protecting crust (4) have first spring (5).

2. A transformer bushing according to claim 1, characterized in that: inner wall one side rigid coupling of protecting crust (4) has curved bar (8), the activity of outer wall one side of curved bar (8) links to each other has shell (11), the bottom fixed connection of bolt and circle shell (2) is passed through at the top of shell (11), the inner wall slip joint of shell (11) has slider (9), the one side of slider (9) and the one end fixed connection of curved bar (8), the bottom rigid coupling of slider (9) has square (10), the outer wall top of square (10) links to each other with the bottom through-hole activity of shell (11), the bottom rigid coupling of shell (11) has a plurality of switches (13), and is a plurality of the top of switch (13) links to each other through the wire electrical property has controller (12), two the back of controller (12) respectively with the positive both sides fixed connection of shell (11).

3. A transformer bushing according to claim 2, characterized in that: the two switches (13) are symmetrically distributed on the left and right by taking the center of the shell (11) as a reference.

4. A transformer bushing according to claim 1, characterized in that: the connecting mechanism comprises a square plate (14), a vertical plate (15), an arc-shaped rod (16), a transverse plate (17), a transverse cylinder (18), a round rod (19), a baffle plate (20), a shell (21) and a second spring (22);

two the back of square plate (14) and the front fixed connection of two circle shells (2), two the inboard of square plate (14) is laminated mutually, one side the front of square plate (14) has riser (15) through the bolt rigid coupling, the bottom recess activity of riser (15) links to each other has arc pole (16), one side rigid coupling of arc pole (16) has diaphragm (17), one side of diaphragm (17) is rotated through the round pin axle and the front of opposite side square plate (14) and is linked to each other, the top rigid coupling of diaphragm (17) has horizontal section of thick bamboo (18), the inner wall activity of horizontal section of thick bamboo (18) links to each other has round bar (19), the outer wall activity of round bar (19) links to each other has casing (21), the back of casing (21) and the front fixed connection of opposite side square plate (14), the one end rigid coupling of round bar (19) has baffle (20), the outer wall of baffle (20) and the inner wall sliding clamping of casing (21), one side of baffle (20) and the inner wall one side of casing (21) have two second spring (22).

5. The transformer bushing of claim 4, wherein: the upper part of the outer wall of the arc-shaped rod (16) is matched with the shape of the bottom groove of the vertical plate (15).