CN210378719U

CN210378719U - Transformer convenient to insulator installation

Info

Publication number: CN210378719U
Application number: CN201921886294.7U
Authority: CN
Inventors: 赵春彦; 辛英民
Original assignee: Pingdingshan Zhixin Electric Co Ltd
Current assignee: Pingdingshan Zhixin Electric Co Ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-04-21
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a transformer technical field specifically is a transformer convenient to insulator installation, including transformer housing, transformer housing's upper end is provided with three group's insulators, and the fixed welding in bottom of insulator has the magnetism fixture block, and the magnetism fixture block adsorbs to be fixed in transformer housing upper surface's stainless steel draw-in groove, is provided with a set of laminating post between every two sets of spaced insulators. In the utility model, the insulator is rapidly fixed by the pressing plate on the pressing post, so that the mounting structure between the transformer shell and the insulator is stable, the assembly and disassembly are rapid, and the use and maintenance cost is reduced; the utility model discloses carry out the switching through the electric connecting rod between well cable and the transformer housing is inside, and the electric connecting rod sets up the insulating sealed head that is provided with insulation protection in the outside part of transformer housing, has guaranteed that the junction is difficult for leaking the electric leakage, has increased the security of using.

Description

Transformer convenient to insulator installation

Technical Field

The utility model relates to a transformer technical field specifically is a transformer convenient to insulator installation.

Background

The transformer can be divided into a power transformer, a special transformer, a furnace transformer, a rectification transformer, a power frequency test transformer, a voltage regulator, a mining transformer, an audio transformer, a medium-frequency transformer, a high-frequency transformer, an impact transformer, an instrument transformer, an electronic transformer, a reactor, a mutual inductor and the like according to the application, the transformer is often connected through an insulator when an external cable is connected, but the insulator still has the following defects in the actual installation process:

1. in the prior art, the insulator and the transformer are often fixed through screws, so that rapid disassembly, assembly and fixation cannot be realized, the efficiency of installation and maintenance of power equipment is reduced, and the maintenance cost is increased;

2. and when the insulator and the transformer are installed, the phenomenon of water leakage and electric leakage is easy to occur at the joint of the cable and the internal components of the transformer, and the safety is low.

To this end, we propose a transformer that facilitates the installation of insulators to solve the above drawbacks well.

Disclosure of Invention

An object of the utility model is to provide a transformer convenient to insulator installation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a transformer convenient for insulator installation comprises a transformer shell, three groups of insulators are arranged at the upper end of the transformer shell, magnetic clamping blocks are fixedly welded at the bottoms of the insulators, the magnetic fixture block is fixed in a stainless steel clamping groove on the upper surface of the transformer shell in an adsorption manner, a group of pressing columns is arranged between every two groups of insulators at intervals, the bottom of the pressing column is connected in a threaded hole on the upper surface of the transformer shell in a threaded fit way, two sets of bilateral symmetry pressing plates are fixedly welded in the middle of the outer ring of the pressing column, the pressing plates are movably pressed at the lower end of the insulator, the transformer casing is characterized in that electrical connecting rods are fixedly arranged at the left end and the right end of the upper surface of the transformer casing, a socket is integrally arranged at the upper ends of the electrical connecting rods, the lower ends of the electrical connecting rods protrude out of the inner wall of the upper portion of the transformer casing, and threading holes which penetrate through the transformer casing are formed in the lower ends of the electrical connecting rods.

Preferably, the length of the threaded hole is equal to half of the length of the pressing column, and the torsion ring is fixedly welded on the upper surface of the pressing column.

Preferably, the upper surface of socket is provided with the jack, and the matching is inserted in the jack and is closed the post of inserting, the upper end of inserting the post is fixed with the cable, and the one end winding that the post was kept away from to the cable is on the insulator.

Preferably, a circle of insulating ring is fixedly arranged at the outer ring of the socket, and an insulating sealing head is arranged on the upper surface of the insulating ring.

Preferably, the insulating sealing head is composed of two groups of semi-conical shells which are bilaterally symmetrical, and the two groups of semi-conical shells form a conical structure in an initial state.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the insulator is rapidly fixed by the pressing plate on the pressing post, so that the mounting structure between the transformer shell and the insulator is stable, the assembly and disassembly are rapid, and the use and maintenance cost is reduced;

2. the utility model discloses carry out the switching through the electric connecting rod between well cable and the transformer housing is inside, and the electric connecting rod sets up the insulating sealed head that is provided with insulation protection in the outside part of transformer housing, has guaranteed that the junction is difficult for leaking the electric leakage, has increased the security of using.

Drawings

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

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

fig. 3 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.

In the figure: the transformer comprises a transformer shell 1, an insulator 2, a press-fit column 3, an electric connecting rod 4, a torsion ring 5, a press-fit plate 6, a threaded hole 7, a magnetic clamping block 8, a stainless steel clamping groove 9, a cable 10, a threading hole 11, a socket 12, an insulating ring 13, an insulating sealing head 14 and an inserting column 15.

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 to 3, the present invention provides a technical solution: a transformer convenient for insulator installation comprises a transformer shell 1, wherein three groups of insulators 2 are arranged at the upper end of the transformer shell 1, magnetic fixture blocks 8 are fixedly welded at the bottoms of the insulators 2, the magnetic fixture blocks 8 are fixedly adsorbed in stainless steel clamping grooves 9 on the upper surface of the transformer shell 1, a group of pressing columns 3 are arranged between every two groups of insulators 2 at intervals, the bottoms of the pressing columns 3 are connected in threaded holes 7 in the upper surface of the transformer shell 1 in a threaded fit mode, the length of each threaded hole 7 is equal to half of the length of each pressing column 3, torsion rings 5 are fixedly welded on the upper surfaces of the pressing columns 3, the threaded holes 7 are long enough, the pressing columns 3 can be ensured to move up and down during rotation, and when pressing plates 6 on two sides of each pressing column 3 are positioned in front-back symmetry mode, the insulators 2 can be directly taken out;

two groups of bilateral symmetry pressing plates 6 are fixedly welded in the middle of the outer ring of the pressing column 3, the pressing plates 6 are movably pressed at the lower end of the insulator 2, the left end and the right end of the upper surface of the transformer shell 1 are fixedly provided with electric connecting rods 4, the upper end of each electric connecting rod 4 is integrally provided with a socket 12, the upper surface of each socket 12 is provided with a jack, an inserting column 15 is inserted into each jack in a matched mode, a cable 10 is fixed at the upper end of each inserting column 15, one end, far away from the inserting column 15, of each cable 10 is wound on the insulator 2, and a cable core in each cable 10 penetrates through the inserting column 15 and the socket 12 to be;

the lower end of the electrical connecting rod 4 protrudes out of the inner wall of the upper portion of the transformer housing 1, and the lower end of the electrical connecting rod 4 is provided with a threading hole 11 which penetrates through the transformer housing from front to back.

A circle of insulating ring 13 is fixedly arranged at the outer ring of the socket 12, an insulating sealing head 14 is arranged on the upper surface of the insulating ring 13, the insulating property of the outer portion of the socket 12 is guaranteed by the insulating ring 13, the socket 12 and the electric connecting rod 4 can conduct electricity, and the socket and the electric connecting rod are made of copper components.

And insulating sealed head 14 comprises two sets of bilateral symmetry's half conical shell, constitutes conical structure under two sets of half conical shell initial conditions, and structural design is reasonable, and the half conical shell on both sides can remain to laminate each other all the time and seal the junction.

The working principle is as follows: at first, accessible magnetism fixture block 8 adsorbs the block to be fixed in stainless steel draw-in groove 9, realizes the quick preliminary fixed between insulator 2 and the transformer housing 1, then twists the pressfitting post 3 through torque ring 5 and rotates in screw hole 7, and the pressfitting board 6 pressfitting at the pressfitting post 3 both ends realizes spacingly and fixed in 2 lower extreme positions of both sides insulator simultaneously.

When the cable 10 is tied up on the insulator 2, the inserting column 15 at the end part of the cable 10 penetrates through the middle position of the insulating sealing head 14 and is inserted into the socket 12, the line body in the transformer shell 1 is tied up in the threading hole 11, the electric connection of the inner device and the outer device is realized, the insulating sealing head 14 can be attached and sealed at the outer end of the inserting column 15 in real time, the sealing performance is guaranteed, and the leakage of water and electricity is not easy to occur.

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 transformer convenient to insulator installation, includes transformer housing (1), its characterized in that: the transformer comprises a transformer shell (1), wherein three groups of insulators (2) are arranged at the upper end of the transformer shell (1), magnetic fixture blocks (8) are fixedly welded at the bottom of the insulators (2), the magnetic fixture blocks (8) are fixedly adsorbed and fixed in stainless steel clamping grooves (9) in the upper surface of the transformer shell (1), a group of pressing columns (3) are arranged between every two groups of insulators (2) at intervals, the bottoms of the pressing columns (3) are connected in threaded holes (7) in the upper surface of the transformer shell (1) in a threaded fit mode, two groups of bilateral symmetrical pressing plates (6) are fixedly welded at the middle positions of the outer ring positions of the pressing columns (3), the pressing plates (6) are movably pressed at the lower end positions of the insulators (2), electric connecting rods (4) are fixedly arranged at the left end and the right end of the upper surface of the transformer shell (1), and sockets (12) are integrally arranged, the lower end of the electrical connecting rod (4) protrudes out of the inner wall of the upper part of the transformer shell (1) and is provided with a threading hole (11) which penetrates through the transformer shell in the front and at the back.

2. A transformer for facilitating the installation of an insulator according to claim 1, wherein: the length of screw hole (7) equals half of the length of pressfitting post (3), the fixed welding of upper surface of pressfitting post (3) has torque ring (5).

3. A transformer for facilitating the installation of an insulator according to claim 1, wherein: the upper surface of socket (12) is provided with the jack, and the matching is inserted in the jack and is closed and insert post (15), the upper end of inserting post (15) is fixed with cable (10), and the one end winding that post (15) were kept away from in cable (10) is on insulator (2).

4. A transformer for facilitating the installation of an insulator according to claim 1, wherein: a circle of insulating ring (13) is fixedly arranged at the outer ring of the socket (12), and an insulating sealing head (14) is arranged on the upper surface of the insulating ring (13).

5. A transformer for facilitating the installation of an insulator according to claim 4, wherein: the insulating sealing head (14) is composed of two groups of semi-conical shells which are symmetrical left and right, and the two groups of semi-conical shells form a conical structure in an initial state.