CN216773935U

CN216773935U - Aerify for cabinet current transformer mounting structure and aerify cabinet

Info

Publication number: CN216773935U
Application number: CN202122737943.0U
Authority: CN
Inventors: 李建强; 罗健; 罗明; 赵凌鹏
Original assignee: Hunan Changgao Electrical Equipment Co ltd
Current assignee: Hunan Changgao Electrical Equipment Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-06-17
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses a current transformer mounting structure for an inflatable cabinet, which comprises a pressing plate, a stud, a nut and a fastener, wherein the pressing plate is provided with a screw hole; the number of the studs is multiple, and the studs are distributed on the peripheral side of the outlet sleeve of the gas-filled cabinet; the pressing plate is pressed on the wire outlet sleeve and used for pressing the wire outlet sleeve; the pressing plate is provided with a plurality of through holes, and the nuts penetrate through the through holes of the pressing plate and then are in threaded connection with the studs; the nut is provided with an inner threaded hole, and the fastener penetrates through the mounting hole in the current transformer and then is in threaded connection with the inner threaded hole in the nut. The utility model has the advantages of simple and compact structure, simple and convenient disassembly and assembly, firm installation and the like.

Description

Aerify for cabinet current transformer mounting structure and aerify cabinet

Technical Field

The utility model mainly relates to the technical field of inflatable cabinets, in particular to a current transformer mounting structure for an inflatable cabinet and the inflatable cabinet.

Background

The inflatable cabinet mainly comprises five parts, namely a switch chamber (air box), a mechanism chamber, a secondary instrument chamber, a pressure relief chamber and a cable chamber. However, because the size of the gas-filled cabinet is small, the installation of the current transformer is troublesome, and at present, a commonly used method is to design a bracket inside the cable chamber to install and fix the current transformer. This approach not only makes the interior space of the cable compartment more compact, but also is inconvenient to install, requiring a significant amount of time to adjust the proper position.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: aiming at the problems in the prior art, the utility model provides the current transformer mounting structure for the inflatable cabinet and the inflatable cabinet, which have the advantages of simple and compact structure, simplicity and convenience in assembly and disassembly and firmness in mounting.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows:

a current transformer mounting structure for an inflatable cabinet comprises a pressing plate, a stud, a nut and a fastener; the number of the studs is multiple, and the studs are distributed on the peripheral side of the outlet sleeve of the gas-filled cabinet; the pressing plate is pressed on the wire outlet sleeve and used for pressing the wire outlet sleeve; the pressing plate is provided with a plurality of through holes, and the nuts penetrate through the through holes of the pressing plate and then are in threaded connection with the studs; the nut is provided with an inner threaded hole, and the fastener penetrates through the mounting hole in the current transformer and then is in threaded connection with the inner threaded hole in the nut.

As a further improvement of the above technical solution:

the fastener is a screw.

And an avoiding groove for avoiding the sleeve boss is arranged on the pressing plate.

The stud is welded on the cabinet body of the inflatable cabinet.

The number of the studs is 6-10, and the studs are uniformly distributed on the periphery of the outgoing line sleeve.

The utility model also discloses an inflatable cabinet, which comprises a cabinet body, wherein the cabinet body is internally provided with a switch chamber, a mechanism chamber, a secondary instrument chamber, a pressure relief chamber, a cable chamber and a current transformer, and the inflatable cabinet further comprises the current transformer mounting structure for the inflatable cabinet, and the current transformer is mounted in the cable chamber through the mounting structure.

As a further improvement of the technical scheme:

pressure relief room and cable chamber arrange side by side in the lower part of the cabinet body, switch room and mechanism room arrange side by side in the middle part of the cabinet body, secondary instrument room is located the top of the cabinet body.

Compared with the prior art, the utility model has the advantages that:

according to the current transformer mounting structure for the inflatable cabinet and the inflatable cabinet, the outgoing line sleeve is tightly pressed on the cabinet plate of the inflatable cabinet through the pressing plate, and then the current transformer is fastened on the pressing plate through the matching of the fastening piece and the nut, so that the current transformer is finally fastened; in the structure, because the current transformer bears too large pressure to cause the damage of the insulating layer, a two-stage fastening mode is adopted, wherein the first-stage fastening fastens the outgoing line sleeve on the cabinet plate through the pressing plate, and the second-stage fastening fastens the current transformer on the pressing plate through the fastening piece (the current transformer is directly fastened on the outgoing line sleeve, if the fastening force is large, the insulating layer of the current transformer is damaged, and the fastening force is too small to realize the fastening), so that the reliable installation of the current transformer is finally realized; the integral installation structure is simple and compact, the dismounting is simple and convenient (namely the dismounting efficiency is high), the material consumption is less, unnecessary sheet metal parts are saved, and the interior of the cable chamber is simpler.

Drawings

Fig. 1 is a front view structural diagram of an embodiment of the inflatable cabinet (without a current transformer installed) of the utility model.

Fig. 2 is a perspective structural view of an embodiment of the inflatable cabinet (without a current transformer installed) of the utility model.

Fig. 3 is a partially enlarged view of fig. 2.

FIG. 4 is a block diagram of an embodiment of the platen of the present invention.

Fig. 5 is a front view of an embodiment of the nut of the present invention.

Fig. 6 is a view a-a of fig. 5.

Fig. 7 is a perspective view of an embodiment of the nut of the present invention.

Fig. 8 is a top view of an embodiment of a current transformer of the present invention.

Fig. 9 is a schematic structural view of the present invention after the pressing plate is installed.

Fig. 10 is a partially enlarged view of fig. 9.

Fig. 11 is a perspective structural view of the cabinet according to the embodiment of the present invention (after the current transformer is installed).

Fig. 12 is a partially enlarged view of fig. 11.

Fig. 13 is a side view structural diagram of the cabinet of the present invention (after installation of the current transformer).

Illustration of the drawings: 1. a cabinet body; 101. a switch chamber; 102. a mechanism chamber; 103. a secondary instrument room; 104. a pressure relief chamber; 105. a cable chamber; 106. a current transformer; 1061. mounting holes; 2. a stud; 3. pressing a plate; 301. avoiding holes; 302. an avoidance groove; 303. a through hole; 4. a nut; 401. an inner threaded hole; 5. a fastener; 6. And (4) an outgoing line sleeve.

Detailed Description

The utility model is further described below with reference to the figures and the specific embodiments of the description.

As shown in fig. 4 to 13, the current transformer mounting structure for an inflatable cabinet of the present embodiment includes a pressing plate 3, a stud 2, a nut 4 and a fastening member 5; the number of the studs 2 is multiple, and the studs are distributed on the peripheral side of the gas-filled cabinet outgoing line sleeve 6; the pressing plate 3 is pressed on the wire outlet sleeve 6 and used for pressing the wire outlet sleeve 6; the pressing plate 3 is provided with a plurality of through holes 303, and the nuts 4 penetrate through the through holes 303 of the pressing plate 3 and then are in threaded connection with the studs 2; the nut 4 is provided with an internal threaded hole 401, and the fastener 5 is threaded with the internal threaded hole 401 of the nut 4 after passing through the mounting hole 1061 of the current transformer 106. According to the current transformer 106 mounting structure for the inflatable cabinet, the outgoing line sleeve 6 is tightly pressed on the cabinet plate of the inflatable cabinet through the pressing plate 3, then the current transformer 106 is fastened on the pressing plate 3 through the matching of the fastening piece 5 and the nut 4, and finally the fastening of the current transformer 106 is realized; in the structure, because the current transformer 106 bears too much pressure to cause the insulating layer to be damaged, a two-stage fastening mode is adopted, wherein the first-stage fastening fastens the outgoing line sleeve 6 on the cabinet plate through the pressing plate 3, and the second-stage fastening fastens the current transformer 106 on the pressing plate 3 through the fastening piece 5 (the current transformer 106 is directly fastened on the outgoing line sleeve 6, if the fastening force is large, the insulating layer of the current transformer 106 is damaged, and the fastening force is too small to realize effective fastening), so that reliable installation of the current transformer 106 is finally realized; the whole structure is simple and compact, the dismounting is simple and convenient (namely the dismounting efficiency is high), the material consumption is less, unnecessary sheet metal parts are saved, and the interior of the cable chamber 105 is simpler.

In a specific embodiment, the fastening member 5 includes a long screw, a flat pad, and an elastic pad, and the long screw passes through the flat pad, the elastic pad, and the mounting hole 1061 of the current transformer 106 in sequence and then is in threaded connection with the internal threaded hole 401 of the nut 4, so as to fasten the current transformer 106 on the pressing plate 3.

In an embodiment, as shown in fig. 4, the pressure plate 3 is provided with an avoiding hole 301 for avoiding the sleeve and an avoiding groove 302 for avoiding the boss, so that the secondary wiring of the sensor inside the boss of the outgoing sleeve 6 is not affected.

In an embodiment, as shown in fig. 1 to 3, the stud 2 is welded to the cabinet body 1 of the gas-filled cabinet, so that the installation is simple and reliable. Wherein the number of the screw threads is 6-10, and the screw threads are uniformly distributed on the peripheral side of the outlet sleeve 6.

The specific installation process is as follows: firstly, welding studs 2 at proper positions around an outlet sleeve 6 of a cable chamber 105, as shown in fig. 1-3; then, the pressing plate 3 is pressed on the surface of the outgoing line sleeve 6 and is fastened by the nut 4, as shown in fig. 9 and fig. 10, not only is the effect of fastening the outgoing line sleeve 6 achieved, but also the nut 4 is positioned above the pressing plate 3, so that the inner part of the nut 4 has a certain length of internal threads 401 available; finally, the current transformer 106 penetrates through the outgoing line sleeve 6, and the current transformer 106 is well installed and fixed through the long screw, the flat pad and the elastic pad by means of the installation holes 1061 at the four corners of the current transformer 106 and the nuts 4 below the current transformer 106, as shown in fig. 11-13.

As shown in fig. 11 to 13, the utility model further discloses an inflatable cabinet, which comprises a cabinet body 1, wherein a switch chamber 101, a mechanism chamber 102, a secondary instrument chamber 103, a pressure relief chamber 104, a cable chamber 105, a current transformer 106 and the current transformer mounting structure for the inflatable cabinet are arranged in the cabinet body 1, and the current transformer 106 is mounted in the cable chamber 105 through the mounting structure. Specifically, the pressure relief chamber 104 and the cable chamber 105 are arranged side by side in the lower portion of the cabinet 1, the switch chamber 101 and the mechanism chamber 102 are arranged side by side in the middle portion of the cabinet 1, and the secondary instrument chamber 103 is located at the top of the cabinet 1. The inflatable cabinet of the utility model comprises the mounting structure as described above, and also has the advantages as described above.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may be made by those skilled in the art without departing from the principle of the utility model.

Claims

1. A current transformer mounting structure for an inflatable cabinet is characterized by comprising a pressing plate (3), a stud (2), a nut (4) and a fastener (5); the number of the studs (2) is multiple, and the studs are distributed on the peripheral side of the gas-filled cabinet outgoing sleeve (6); the pressing plate (3) is pressed on the wire outlet sleeve (6) and used for pressing the wire outlet sleeve (6); a plurality of through holes (303) are formed in the pressing plate (3), and the nut (4) penetrates through the through holes (303) of the pressing plate (3) and then is in threaded connection with the stud (2); an inner threaded hole (401) is formed in the nut (4), and the fastener (5) penetrates through a mounting hole (1061) in the current transformer (106) and then is in threaded connection with the inner threaded hole (401) in the nut (4).

2. The mounting structure of a current transformer for an inflatable cabinet according to claim 1, wherein the fastening member (5) is a screw.

3. The current transformer mounting structure for the gas insulated switchgear according to claim 1 or 2, wherein an avoiding groove (302) for avoiding the boss of the bushing is provided on the pressing plate (3).

4. The current transformer mounting structure for an inflatable cabinet according to claim 1 or 2, wherein the stud (2) is welded to the cabinet body (1) of the inflatable cabinet.

5. The current transformer mounting structure for the inflatable cabinet according to claim 1 or 2, wherein the number of the studs (2) is 6-10, and the studs are uniformly distributed on the peripheral side of the outgoing line sleeve (6).

6. An inflatable cabinet comprises a cabinet body (1), wherein a switch chamber (101), a mechanism chamber (102), a secondary instrument chamber (103), a pressure relief chamber (104), a cable chamber (105) and a current transformer (106) are arranged in the cabinet body (1), and the inflatable cabinet is characterized by further comprising the current transformer mounting structure for the inflatable cabinet as claimed in any one of claims 1-5, wherein the current transformer (106) is mounted in the cable chamber (105) through the mounting structure.

7. The inflatable cabinet according to claim 6, wherein the pressure relief chamber (104) and the cable chamber (105) are arranged side by side in a lower portion of the cabinet body (1), the switch chamber (101) and the mechanism chamber (102) are arranged side by side in a middle portion of the cabinet body (1), and the secondary instrument chamber (103) is located at a top portion of the cabinet body (1).