CN218896524U

CN218896524U - Current transformer convenient to overhaul dismouting

Info

Publication number: CN218896524U
Application number: CN202222355076.9U
Authority: CN
Inventors: 罗胜辉
Original assignee: Dongguan Weimei Electronics Co ltd
Current assignee: Dongguan Weimei Electronics Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2023-04-21
Anticipated expiration: 2032-09-05

Abstract

The utility model relates to the technical field of electric power accessories and discloses a current transformer convenient to overhaul and disassemble, which comprises a fixed plate, wherein a pressing mechanism is arranged on the upper side of the fixed plate, the pressing mechanism comprises a top plate, the upper side of the middle part of the top end of the fixed plate is provided with a top plate, the front end and the rear end of the inner side of the top plate are respectively provided with a sliding groove, the left end and the right end of each sliding groove are respectively and slidingly connected with a sliding block, the bottoms of the sliding blocks on the same side are respectively provided with a rectangular plate, the bottoms of the rectangular plates are respectively provided with an opening in the middle part far away from one end, the left side of each rectangular plate is provided with a plurality of hollow rods, the right end of the inner side of each hollow rod is fixedly connected with a spring, and the other end of each spring is fixedly connected with the right end of a corresponding column body. According to the utility model, the time spent on installation and disassembly is shorter through the pressing mechanism, so that maintenance work is not delayed, the burden on maintenance personnel is avoided, and the maintenance efficiency is improved.

Description

Current transformer convenient to overhaul dismouting

Technical Field

The utility model relates to the technical field of power accessories, in particular to a current transformer convenient to overhaul and disassemble.

Background

The current transformer is an instrument for converting primary side large current into secondary side small current to measure according to an electromagnetic induction principle, the current transformer consists of a closed iron core and windings, the number of turns of the primary side winding is small, the primary side winding is connected in series in a circuit of current to be measured, therefore, all current of the circuit always flows, the number of turns of the secondary side winding is large, the secondary side winding is connected in series in a measuring instrument and a protection loop, the secondary side loop of the current transformer is always closed when the current transformer works, therefore, the impedance of a series coil of the measuring instrument and the protection loop is small, the working state of the current transformer is close to short circuit, and the current transformer converts primary side large current into secondary side small current to measure.

In the current transformer in the in-process of using, current transformer long-time operation leads to breaking down, needs to overhaul, and current transformer usually uses the bolt fastening in certain position during the maintenance, and the spending time is longer when the installation is dismantled, delays the maintenance, increases the burden for the maintainer, has reduced maintenance efficiency, consequently, the skilled person provides a current transformer convenient to overhaul dismouting to solve the problem that proposes among the above-mentioned background art.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides the current transformer convenient to overhaul and disassemble, which has the advantages that the time spent on installation and disassembly is shorter through the pressing mechanism, the overhaul work is not delayed, the burden on overhaul personnel is avoided, and the overhaul efficiency is improved.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the current transformer convenient to overhaul and disassemble comprises a fixed plate, wherein a pressing mechanism is arranged on the upper side of the fixed plate;

the pressing mechanism comprises a top plate, the top middle part upside of fixed plate is provided with the roof, the inboard front and back end of roof all is provided with the spout, the equal sliding connection of left and right sides of spout has the slider, homonymy the bottom of slider is the equal mounting of right-angle plate, the bottom of right-angle plate keeps away from one end middle part mutually and all is provided with the opening, and the right side the left side of right-angle plate is provided with a plurality of hollow pole, the inboard right-hand member of hollow pole is all fixedly connected with spring, the other end of spring all with the right-hand member fixed connection of the cylinder that corresponds, the left end of cylinder all runs through the hollow pole that corresponds and fixed connection in the left side the right side of right-angle plate.

Through above-mentioned technical scheme, the relative right angle plate that presses makes with hollow pole extrusion corresponding spring, cooperation slider and corresponding spout sliding connection to make right angle plate relative movement, make the opening take out and keep away from the threaded rod from the visor, and then tear down the current transformer body and overhaul.

Further, the pressing mechanism further comprises threaded holes, a plurality of threaded holes are formed in the middle of the upper side of the fixing plate at equal intervals, the protection cover is fixedly connected to the left side and the right side of the middle of the top end of the fixing plate, a plurality of through holes are formed in the middle of the top end of the protection cover at equal intervals, threaded rods are arranged on the upper side of the protection cover at the same side, and the bottom ends of the threaded rods penetrate through the corresponding through holes in sequence and are in threaded connection with the corresponding threaded holes.

Through above-mentioned technical scheme, according to actual conditions with threaded rod and the threaded hole threaded connection who corresponds during the installation, press the right-angle plate again, place the right-angle plate adjacent one side of protective cover, slowly loosen the right-angle plate, make the right-angle plate insert in the visor that corresponds, cooperation opening and the threaded rod block that corresponds to fix, make the installation dismantle spending time shorter, can not delay maintenance work, avoid increasing the burden for the maintainer, improved maintenance efficiency.

Further, a rubber pad is fixedly connected to the middle of the bottom end of the fixing plate.

Through above-mentioned technical scheme, the bottom of being convenient for use rubber pad to the fixed plate is protected.

Further, fixing bolts are connected to the four corners of the top of the fixing plate in a threaded mode, and nuts are connected to the tops of the fixing bolts in a threaded mode.

Through above-mentioned technical scheme, be convenient for use fixing bolt and nut to carry out fixed mounting with the fixed plate.

Further, the top of roof fixedly connected with current transformer body.

Through above-mentioned technical scheme, be convenient for carry the current transformer body through the roof and install.

Further, the front end bottom of the current transformer body is fixedly connected with a tag.

Through above-mentioned technical scheme, the use label of being convenient for sorts the current transformer body of difference, and is very convenient when seeking.

Further, the fixed plate is made of insulating materials, insulation is facilitated, and objects on the fixed plate are protected.

Through the technical scheme, the suction force of the neutralization juice at the bottom of the inner side of the cone is effectively prevented from forming a bag effect.

The utility model has the following beneficial effects:

according to the utility model, the right angle plate is pressed relatively through the pressing mechanism, the corresponding spring is extruded by the hollow rod, the matching sliding block is in sliding connection with the corresponding sliding groove, so that the right angle plate moves relatively, the opening is pulled out of the protective cover and is far away from the threaded rod, the current transformer body is detached for maintenance, the threaded rod is connected with the corresponding threaded hole in a threaded manner according to actual conditions during installation, the right angle plate is pressed again, the right angle plate is placed on the adjacent side of the protective cover, the right angle plate is slowly loosened, the right angle plate is inserted into the corresponding protective cover, the matching opening is clamped with the corresponding threaded rod, and therefore the current transformer is fixed, the installation and detachment time is short, maintenance work is not delayed, burden is avoided to be increased for maintenance personnel, and maintenance efficiency is improved.

Drawings

Fig. 1 is a perspective view of a current transformer which is convenient to overhaul and disassemble and assemble;

fig. 2 is a front view of a current transformer which is convenient to overhaul and disassemble and assemble;

fig. 3 is a front view partial structure split diagram of a current transformer convenient to overhaul and disassemble;

fig. 4 is a side view partially in cross section of a current transformer with easy maintenance and disassembly according to the present utility model.

Legend description:

1. a fixing plate; 2. a pressing mechanism; 201. a threaded hole; 202. a protective cover; 203. a through hole; 204. a right angle plate; 205. an opening; 206. a hollow rod; 207. a spring; 208. a column; 209. a top plate; 210. a chute; 211. a slide block; 212. a threaded rod; 3. a current transformer body; 4. a label; 5. a rubber pad; 6. a fixing bolt; 7. and (3) a nut.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the current transformer convenient to overhaul and disassemble comprises a fixed plate 1, wherein a pressing mechanism 2 is arranged on the upper side of the fixed plate 1;

the pressing mechanism 2 comprises a top plate 209, the top middle upper side of the fixed plate 1 is provided with the top plate 209, the front end and the rear end of the inner side of the top plate 209 are respectively provided with a chute 210, the left end and the right end of the chute 210 are respectively connected with a sliding block 211 in a sliding way, the bottoms of the same sliding blocks 211 are respectively provided with a rectangular plate 204, the bottoms of the rectangular plates 204 are respectively provided with an opening 205 at the middle part far away from one end, the left side of the right rectangular plate 204 is provided with a plurality of hollow rods 206, the inner side and the right end of each hollow rod 206 are respectively fixedly connected with a spring 207, the other ends of the springs 207 are respectively fixedly connected with the right end of a corresponding column 208, the left end of each column 208 respectively penetrates through the corresponding hollow rod 206 and is fixedly connected to the right side of the left rectangular plate 204, and when in use, the corresponding springs 207 are respectively pressed against the hollow rods 206, and the corresponding sliding blocks 211 are matched with the corresponding chute 210 in a sliding way, so that the rectangular plates 204 relatively move, the openings 205 are respectively extracted from the protective caps 202 and are far away from the threaded rods 212, and the current transformer body 3 is detached for maintenance.

The pressing mechanism 2 further comprises threaded holes 201, a plurality of threaded holes 201 are formed in the middle of the upper side of the fixing plate 1 at equal intervals, a protection cover 202 is fixedly connected to the left side and the right side of the middle of the top of the fixing plate 1, a plurality of through holes 203 are formed in the middle of the top of the same-side protection cover 202 at equal intervals, threaded rods 212 are arranged on the upper side of the same-side protection cover 202, the bottom ends of the same-side threaded rods 212 penetrate through the corresponding through holes 203 in sequence and are in threaded connection with the corresponding threaded holes 201, the threaded rods 212 are in threaded connection with the corresponding threaded holes 201 according to practical conditions during installation, the right-angle plates 204 are pressed again, the right-angle plates 204 are placed on the adjacent side of the protection cover 202, the right-angle plates 204 are slowly loosened, the right-angle plates 204 are inserted into the corresponding protection cover 202, the matching openings 205 are clamped with the corresponding threaded rods 212, accordingly the fixing is achieved, the installation and detachment time is short, overhaul work is not delayed, the overhaul work is avoided, the overhaul personnel is increased, and the overhaul efficiency is improved.

The middle part fixedly connected with rubber pad 5 in the bottom of fixed plate 1, the bottom of being convenient for use rubber pad 5 to fixed plate 1 protects.

Four equal threaded connection in top corners of fixed plate 1 have fixing bolt 6, and the equal threaded connection in top of fixing bolt 6 has nut 7, is convenient for use fixing bolt 6 and nut 7 to carry out fixed mounting with fixed plate 1.

The top fixedly connected with current transformer body 3 of roof 209 is convenient for carry current transformer body 3 to install through roof 209.

The front end bottom fixedly connected with label 4 of current transformer body 3, the current transformer body 3 of different is classified to the use label 4 of being convenient for, and is very convenient when seeking.

The fixed plate 1 is made of insulating materials, so that insulation is facilitated, and objects on the fixed plate 1 are protected.

Working principle: through pressing right angle plate 204 relatively, make with hollow pole 206 extrusion corresponding spring 207, cooperation slider 211 and corresponding spout 210 sliding connection, thereby make right angle plate 204 relative movement, make opening 205 take out from visor 202 and keep away from threaded rod 212, and then tear down current transformer body 3 and overhaul, according to actual conditions with threaded rod 212 and corresponding screw hole 201 threaded connection during the installation, press right angle plate 204 again, place right angle plate 204 in the adjacent one side of visor 202, slowly loosen right angle plate 204, make right angle plate 204 insert in the visor 202 that corresponds, cooperation opening 205 and the threaded rod 212 block that corresponds, thereby fix, make the installation dismantlement spends time less, can not delay overhaul work, avoid increasing the burden for the maintainer, and maintenance efficiency has been improved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a current transformer convenient to overhaul dismouting, includes fixed plate (1), its characterized in that: a pressing mechanism (2) is arranged on the upper side of the fixed plate (1);

the pressing mechanism (2) comprises a top plate (209), top middle part upside of fixed plate (1) is provided with roof (209), the inboard front and back end of roof (209) all is provided with spout (210), the equal sliding connection of the left and right sides end of spout (210) has slider (211), homonymy the bottom of slider (211) all is fixed with right angle plate (204), the bottom of right angle plate (204) is kept away from one end middle part mutually and all is provided with opening (205), the right side the left side of right angle plate (204) is provided with a plurality of hollow pole (206), the inboard right-hand member of hollow pole (206) all fixedly connected with spring (207), the other end of spring (207) all with the right-hand member fixed connection of corresponding cylinder (208), the left end of cylinder (208) all runs through hollow pole (206) and the fixed connection of correspondence in the right side of right side right angle plate (204).

2. The current transformer convenient to overhaul and disassemble and assemble as claimed in claim 1, wherein: pressing mechanism (2) still includes screw hole (201), the upside middle part equidistance of fixed plate (1) is provided with a plurality of screw hole (201), all fixedly connected with visor (202) about the top middle part of fixed plate (1), the homonymy the top middle part of visor (202) all equidistance is provided with a plurality of through-hole (203), the homonymy the upside of visor (202) all is provided with threaded rod (212), the homonymy the bottom of threaded rod (212) all runs through corresponding through-hole (203) and with corresponding screw hole (201) threaded connection in proper order.

3. The current transformer convenient to overhaul and disassemble and assemble as claimed in claim 2, wherein: the middle part of the bottom end of the fixed plate (1) is fixedly connected with a rubber pad (5).

4. The current transformer convenient to overhaul and disassemble and assemble as claimed in claim 1, wherein: fixing bolts (6) are connected to four corners of the top of the fixing plate (1) in a threaded mode, and nuts (7) are connected to the tops of the fixing bolts (6) in a threaded mode.

5. The current transformer convenient to overhaul and disassemble and assemble as claimed in claim 2, wherein: the top of the top plate (209) is fixedly connected with a current transformer body (3).

6. The current transformer convenient to overhaul and disassemble and assemble as claimed in claim 5, wherein: the front end bottom of the current transformer body (3) is fixedly connected with a tag (4).

7. The current transformer convenient to overhaul and disassemble and assemble as claimed in claim 1, wherein: the fixing plate (1) is made of an insulating material.