CN211150248U

CN211150248U - Three-phase dry-type transformer protection machanism

Info

Publication number: CN211150248U
Application number: CN202020231161.2U
Authority: CN
Inventors: 陈欣瑶
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-01
Filing date: 2020-03-01
Publication date: 2020-07-31
Anticipated expiration: 2030-03-01

Abstract

The utility model discloses a three-phase dry-type transformer protection machanism, including the protecting box, the front portion of protecting box is equipped with the chamber door, the bottom fixed mounting of protecting box has the fixing base, the top of protecting box is equipped with cable fixed establishment, the inside of protecting box is equipped with installation mechanism, cable fixed establishment is including bracing piece, fixed plate, lead wire hole, nut, clamp bolt, the activity lantern ring and compress tightly the arc piece, bracing piece fixed mounting is at the top of protecting box, the quantity of bracing piece is four, fixed plate fixed mounting is on the top of four spinal branch vaulting poles. A three-phase dry-type transformer protection machanism, can be fixed with the cable, avoid the cable to cause to the binding post and pull the power to avoid binding post's damage and the phenomenon that the cable drops, also can the various not dry-type transformer of equidimension of easy to assemble simultaneously, make protection machanism application scope more extensive.

Description

Three-phase dry-type transformer protection machanism

Technical Field

The utility model relates to a protection machanism field, in particular to three-phase dry-type transformer protection machanism.

Background

A three-phase dry-type transformer protection mechanism is a device for protecting a three-phase dry-type transformer, the three-phase dry-type transformer is a main component of various power supplies and electrical equipment, and is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and main components are a primary coil, a secondary coil and an iron core; but current three-phase dry-type transformer protection machanism does not possess the cable fixed function, need external three cables because of three-phase dry-type transformer usually, and the cable is thicker, traditional three-phase dry-type transformer cable is direct to be connected with binding post, but because of the cable is heavier, certain pulling force has been produced to the binding post, lead to binding post's damage phenomenon very easily, and also the phenomenon that the cable drops appears easily, barrier propterty is poor, the security is not high, secondly inconvenient three-phase dry-type transformer of various equidimensions of installation, the application scope of protection machanism has been reduced, the result of use is poor.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a three-phase dry transformer protection mechanism, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a three-phase dry-type transformer protection machanism, includes the protective housing, the front portion of protective housing is equipped with the chamber door, the bottom fixed mounting of protective housing has the fixing base, the top of protective housing is equipped with cable fixed establishment, the inside of protective housing is equipped with installation mechanism.

Preferably, cable fixed establishment is including bracing piece, fixed plate, pin hole, nut, clamp bolt, the activity lantern ring and compress tightly the arc piece, bracing piece fixed mounting is at the top of guard box, the quantity of bracing piece is four, fixed plate fixed mounting is on the top of four spinal branch vaulting poles, the upper surface at the fixed plate is seted up to the pin hole, nut fixed connection is at the rear portion of fixed plate, clamp bolt runs through the nut and extends the inside at the pin hole, compress tightly the arc piece through the one end of activity lantern ring swing joint at clamp bolt, cable fixed establishment can conveniently be fixed the cable, avoids the cable to lead to the fact the power of dragging to the binding post to avoid binding post to damage and the phenomenon that the cable drops.

Preferably, the lead wire holes, the nuts, the compression bolts, the movable lantern rings and the compression arc sheets form cable compression assemblies, and the number of the cable compression assemblies is three.

Preferably, the mounting mechanism includes a bottom slide rail, side slide rails, a top slide rail, a first through groove, a first locking bolt, a screw seat, a second through groove, a second locking bolt, a mounting screw hole, a slide block and a slide groove, the bottom slide rail is fixedly mounted at the bottom position inside the protective box, the side slide rails are fixedly mounted at the side surfaces inside the protective box, the number of the side slide rails is two, the top slide rail is slidably connected between the two side slide rails, the first through groove is formed in the front surface of the bottom slide rail, the slide groove is formed in the upper surface of the bottom slide rail, the slide block is slidably connected inside the slide groove, the screw seat is fixedly mounted at the upper part of the slide block, the first locking bolt penetrates through the first through groove to be in threaded connection with the slide block, the second through groove is formed in the front surface of the side slide rail, and the second locking bolt penetrates through the second through, the mounting screw hole is formed in the upper surface of the screw base, the mounting mechanism can be used for conveniently mounting dry-type transformers in different sizes and different mounting hole positions, and the application range is wider.

Preferably, the bottom of the top sliding rail is also connected with two screw seats in a sliding manner.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses in, through the cable fixed establishment who sets up, can conveniently fix the cable of being connected with dry-type transformer, avoid heavier cable to appear dragging the power to the binding post to avoid the cable to damage the phenomenon that binding post and cable drop, improved the security that the cable used, barrier propterty is better, through the installation mechanism who sets up, can realize the efficiency that the screw seat position was adjusted at will, thereby make things convenient for people to install the dry-type transformer of equidimension not, make the protective mechanism application range more extensive, the practicality is higher.

Drawings

Fig. 1 is a schematic view of the overall structure of a three-phase dry-type transformer protection mechanism of the present invention;

fig. 2 is a top view of a fixing plate of a three-phase dry-type transformer protection mechanism of the present invention;

fig. 3 is a schematic view of the internal structure of the protection box of the protection mechanism of the three-phase dry-type transformer of the present invention;

fig. 4 is a cross-sectional side view of a bottom slide rail of a three-phase dry-type transformer protection mechanism of the present invention;

fig. 5 is a split view of the bottom slide rail and the screw seat of the three-phase dry-type transformer protection mechanism of the present invention.

In the figure: 1. a protective box; 2. a box door; 3. a fixed seat; 4. a cable fixing mechanism; 5. a support bar; 6. a fixing plate; 7. a wire hole; 8. a nut; 9. a hold-down bolt; 10. a movable collar; 11. pressing the arc sheet; 12. an installation mechanism; 13. a bottom slide rail; 14. a side slide rail; 15. a top slide rail; 16. a first through groove; 17. a first locking bolt; 18. a screw seat; 19. a second through groove; 20. a second locking bolt; 21. mounting a screw hole; 22. a slider; 23. a chute.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-5, a three-phase dry-type transformer protection mechanism comprises a protection box 1, wherein a box door 2 is arranged at the front part of the protection box 1, a fixed seat 3 is fixedly arranged at the bottom of the protection box 1, a cable fixing mechanism 4 is arranged at the top of the protection box 1, and an installation mechanism 12 is arranged inside the protection box 1;

the cable fixing mechanism 4 comprises supporting rods 5, a fixing plate 6, lead wire holes 7, nuts 8, compression bolts 9, movable lantern rings 10 and compression arc pieces 11, the supporting rods 5 are fixedly installed at the top of the protective box 1, the number of the supporting rods 5 is four, the fixing plate 6 is fixedly installed at the top ends of the four supporting rods 5, the lead wire holes 7 are formed in the upper surface of the fixing plate 6, the nuts 8 are fixedly connected to the rear portion of the fixing plate 6, the compression bolts 9 penetrate through the nuts 8 and extend into the lead wire holes 7, and the compression arc pieces 11 are movably connected to one ends of the compression bolts 9 through the movable lantern rings 10; the lead wire holes 7, the screw caps 8, the compression bolts 9, the movable lantern rings 10 and the compression arc sheets 11 form cable compression assemblies, and the number of the cable compression assemblies is three; the mounting mechanism 12 comprises a bottom slide rail 13, side slide rails 14, a top slide rail 15, a first through groove 16, a first locking bolt 17, a screw seat 18, a second through groove 19, a second locking bolt 20, a mounting screw hole 21, a sliding block 22 and a sliding groove 23, wherein the bottom slide rail 13 is fixedly mounted at the bottom position inside the protective box 1, the side slide rails 14 are fixedly mounted at the side surface inside the protective box 1, the number of the side slide rails 14 is two, the top slide rail 15 is slidably connected between the two side slide rails 14, the first through groove 16 is formed in the front surface of the bottom slide rail 13, the sliding groove 23 is formed in the upper surface of the bottom slide rail 13, the sliding block 22 is slidably connected inside the sliding groove 23, the screw seat 18 is fixedly mounted at the upper part of the sliding block 22, the first locking bolt 17 penetrates through the first through groove 16 to be in threaded connection with the sliding block 22, the second through groove 19 is formed in the front surface of the side slide rails 14, the mounting screw hole 21 is formed on the upper surface of the screw seat 18; two screw bases 18 are also slidably connected to the bottom of the top slide rail 15.

It should be noted that, the present invention is a three-phase dry-type transformer protection mechanism, when in use, firstly, the dry-type transformer is installed inside the protection box 1 through the installation mechanism 12, the operation is that, aiming at the size and the position of the installation hole of the dry-type transformer, the position of the screw seat 18 is firstly adjusted, when in operation, the screw seat 18 slides inside the sliding groove 23 through the sliding block 22, and then the first locking bolt 17 is screwed down after sliding to a proper position, so that the screw seats 18 of the bottom sliding rail 13 and the top sliding rail 15 are all fixed, then the height of the top sliding rail 15 is adjusted, when in operation, the top sliding rail 15 is also slid to a proper height between the two side sliding rails 14, then the second locking bolt 20 is screwed down to fix the top sliding rail 15, after being fixed, four installation holes of the dry-type transformer can respectively correspond to four screw seats 18, and the installation holes of the dry-type transformer are connected with the installation screw holes 21 by using external bolts, can install dry-type transformer, because of whole installation mechanism 12 possesses level and vertical direction's two-way regulation function, so can adapt to the dry-type transformer of various not equidimensions, application scope is extensive, the wire guide has been seted up to the upper surface of protecting box 1, the cable that will need to connect after the dry-type transformer has been installed passes wire guide 7 and wire guide and is connected with dry-type transformer's binding post, connect the back and rotate clamp bolt 9, screw effect through between clamp bolt 9 and the nut 8 promotes and compresses tightly arc piece 11 and remove, thereby will compress tightly the surface that arc piece 11 promoted the cable, support the cable and tightly fix in wire guide 7's inside, can avoid the cable to produce the power of dragging to the binding post, avoid binding post to be dragged the phenomenon that damages and the cable drops, barrier propterty is better, the security is higher.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a three-phase dry-type transformer protection machanism which characterized in that: the protective box comprises a protective box (1), wherein a box door (2) is arranged in the front of the protective box (1), a fixing seat (3) is fixedly arranged at the bottom of the protective box (1), a cable fixing mechanism (4) is arranged at the top of the protective box (1), and an installation mechanism (12) is arranged inside the protective box (1).

2. A three-phase dry transformer guard mechanism as claimed in claim 1 wherein: cable fixed establishment (4) including bracing piece (5), fixed plate (6), lead wire hole (7), nut (8), clamp bolt (9), the activity lantern ring (10) and compress tightly arc piece (11), bracing piece (5) fixed mounting is at the top of protecting box (1), the quantity of bracing piece (5) is four, the top of fixed plate (6) fixed mounting at four bracing pieces (5), the upper surface at fixed plate (6) is seted up in lead wire hole (7), nut (8) fixed connection is at the rear portion of fixed plate (6), clamp bolt (9) run through nut (8) and extend the inside at lead wire hole (7), compress tightly arc piece (11) through the one end of activity lantern ring (10) swing joint at clamp bolt (9).

3. A three-phase dry transformer guard mechanism as claimed in claim 2 wherein: the cable pressing assembly is composed of the lead wire holes (7), the screw caps (8), the pressing bolts (9), the movable lantern rings (10) and the pressing arc sheets (11), and the number of the cable pressing assemblies is three.

4. A three-phase dry transformer guard mechanism as claimed in claim 1 wherein: the mounting mechanism (12) comprises a bottom sliding rail (13), side sliding rails (14), a top sliding rail (15), a first through groove (16), a first locking bolt (17), a screw seat (18), a second through groove (19), a second locking bolt (20), mounting screw holes (21), a sliding block (22) and a sliding groove (23), wherein the bottom sliding rail (13) is fixedly mounted at the bottom position inside the protective box (1), the side sliding rails (14) are fixedly mounted on the inner side surface of the protective box (1), the number of the side sliding rails (14) is two, the top sliding rail (15) is slidably connected between the two side sliding rails (14), the first through groove (16) is formed in the front surface of the bottom sliding rail (13), the sliding groove (23) is formed in the upper surface of the bottom sliding rail (13), the sliding block (22) is slidably connected inside the sliding groove (23), and the screw seat (18) is fixedly mounted on the upper portion of the sliding block (22), first locking bolt (17) run through first logical groove (16) and slider (22) threaded connection, the second leads to groove (19) and sets up the front surface at side slide rail (14), second locking bolt (20) run through second and lead to groove (19) and top slide rail (15) threaded connection, the upper surface at screw seat (18) is seted up in installation screw hole (21).

5. A three-phase dry transformer guard mechanism as claimed in claim 4 wherein: the bottom of the top sliding rail (15) is also connected with two screw seats (18) in a sliding manner.