CN211151075U

CN211151075U - Lap joint structure of transformer cable of pre-installed transformer substation

Info

Publication number: CN211151075U
Application number: CN201922296198.3U
Authority: CN
Inventors: 韩书瑞; 李众众; 郭敬然; 张相敏
Original assignee: Shandong Fuda Transformer Co ltd
Current assignee: Shandong Fuda Transformer Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-07-31
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a lap joint structure of a prefabricated transformer substation cable, which comprises a first fixing body, wherein the top end of the first fixing body is fixedly connected with a first insulating ring, the bottom end of the first fixing body is fixedly connected with a first connecting body, the inner bottom end of the first connecting body is fixedly connected with a first connecting plate, one side of the first connecting body is in threaded connection with a first fixing screw, the top end of the first fixing screw is fixedly connected with a first screw insulating sleeve, the bottom end of the first connecting plate is fixedly connected with a lap joint wire, the other end of the lap joint wire is fixedly connected with a second connecting plate, the peripheral side of the second connecting plate is fixedly connected with a second connecting body, one side of the second connecting body is in threaded connection with a second fixing screw, the utility model discloses a fixing body and a connecting body are arranged, the leakage part of the cable is well protected in the fixing body, the cable is prevented from being corroded due to contact with the outside.

Description

Lap joint structure of transformer cable of pre-installed transformer substation

Technical Field

The utility model relates to a transformer cable overlap joint field especially relates to the overlap joint structure of prepackage type transformer substation's transformer cable.

Background

The prefabricated substation has small volume, small occupied area, light weight, low cost and reliability, and is called a box type transformer or a prefabricated substation.

When the existing transformer cable is connected, due to the high voltage, one end of the existing transformer cable can generate a high-voltage discharge phenomenon, so that the safe operation of equipment is threatened. And the junction is mostly arranged at the bottom end of the box body and is contacted with the ground, and the junction is easy to corrode.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the lap joint structure of prepackage type transformer substation's transformer cable that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the lap joint structure of the preassembled transformer substation cable comprises a first fixing body, wherein a first insulating ring is fixedly connected to the top end of the first fixing body, a first connecting body is fixedly connected to the bottom end of the first fixing body, a first connecting plate is fixedly connected to the inner bottom end of the first connecting body, a first fixing screw is in threaded connection with one side of the first connecting body, a first screw insulating sleeve is fixedly connected to the top end of the first fixing screw, a lap joint wire is fixedly connected to the bottom end of the first connecting plate, a second connecting plate is fixedly connected to the other end of the lap joint wire, a second connecting body is fixedly connected to the periphery side of the second connecting plate, a second fixing screw is in threaded connection with one side of the second connecting body, a second screw insulating sleeve is fixedly connected to the top end of the second fixing screw, and a second fixing body is fixedly connected to the top end of the second connecting body, and the top end of the second fixing body is fixedly connected with a second insulating ring.

As a further description of the above technical solution:

the center department of the first stationary body is provided with the through-hole, the material of the first stationary body is pottery, week side of the first stationary body sets up the annular arch, the center department of the second stationary body is provided with the through-hole, the material of the second stationary body is pottery, week side of the second stationary body is provided with the annular arch.

As a further description of the above technical solution:

the first connecting body is provided with a corresponding groove at the joint of the first connecting body and the first connecting plate, the first connecting body is provided with a corresponding threaded hole at the joint of the first connecting body and the first fixing screw, the second connecting body is provided with a corresponding groove at the joint of the second connecting body and the second fixing screw, and the second connecting body is provided with a corresponding threaded hole at the joint of the second connecting body and the second fixing screw.

As a further description of the above technical solution:

the bottom of the first connecting body is provided with a through hole, one end of the lap joint line penetrates through the through hole of the first connecting body and is fixedly connected with the first connecting plate, the bottom of the second connecting body is provided with a through hole, and the other end of the lap joint line penetrates through the through hole of the second connecting body and is fixedly connected with the second connecting plate.

As a further description of the above technical solution:

the material of the first insulating ring is rubber, the material of the second insulating ring is rubber, the first fixing body is in adhesive joint with the first insulating ring, and the second fixing body is in adhesive joint with the second insulating ring.

As a further description of the above technical solution:

the first screw insulating sleeve is made of rubber, the second screw insulating sleeve is made of rubber, the first screw insulating sleeve is in adhesive joint with the first fixing screw, and the second screw insulating sleeve is in adhesive joint with the second fixing screw.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up fixed body and connector, with the fine protection of the part that spills of cable in the inside of fixed body, avoid cable and external contact and corroded.

2. The utility model discloses a set up the insulating cover of screw, avoid the set screw and the cable direct contact of metal, avoid the screw electrified and cause electric power extravagant, lead to the circumstances such as electric leakage even, also further avoid high-voltage discharge.

Drawings

Fig. 1 is a schematic view of the overall structure of the lap joint structure of the cable of the transformer of the pre-installed substation provided by the utility model;

fig. 2 is a bottom view of a second connecting body of the lap joint structure of the cable of the pre-installed transformer substation provided by the present invention;

fig. 3 is the utility model provides a first fixed body top view of overlap joint structure of prepackage type transformer substation's transformer cable.

Illustration of the drawings:

1. a first fixed body; 2. a first insulating ring; 3. a first connecting body; 4. a first connecting plate; 5. overlapping wires; 6. a first set screw; 7. a first screw insulating sleeve; 8. a second connecting plate; 9. a second set screw; 10. a second screw insulating sleeve; 11. a second connector; 12. a second fixed body; 13. and a second insulating ring.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, 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.

Referring to fig. 1-3, the present invention provides an embodiment: a lap joint structure of a preassembled transformer substation cable comprises a first fixing body 1, wherein a first insulating ring 2 is fixedly connected to the top end of the first fixing body 1 and used for sealing a joint of the cable, a first connecting body 3 is fixedly connected to the bottom end of the first fixing body 1 and used for connecting a lead part of the cable, a first connecting plate 4 is fixedly connected to the inner bottom end of the first connecting body 3 and electrically connected with the lead of the cable, a first fixing screw 6 is connected to one side of the first connecting body 3 in a threaded manner, a first screw insulating sleeve 7 is fixedly connected to the top end of the first fixing screw 6 and used for fixing the lead and the first connecting plate 4 while insulating, a lap joint wire 5 is fixedly connected to the bottom end of the first connecting plate 4, a second connecting plate 8 is fixedly connected to the other end of the lap joint wire 5, a second connecting body 11 is fixedly connected to the peripheral side of the second connecting plate 8, and a second fixing screw 9 is connected to one side of the second, the top end of the second fixing screw 9 is fixedly connected with a second screw insulating sleeve 10, the top end of the second connecting body 11 is fixedly connected with a second fixing body 12, and the top end of the second fixing body 12 is fixedly connected with a second insulating ring 13.

The center department of the first fixed body 1 is provided with the through-hole, and the material of the first fixed body 1 is pottery, and the pottery is high temperature resistant simultaneously in the insulation that can be fine, and the week side of the first fixed body 1 sets up annular arch, and the center department of the second fixed body 12 is provided with the through-hole, and the material of the second fixed body 12 is pottery, and week side of the second fixed body 12 is provided with annular arch, sets up annular arch convenient fixed. The first connecting body 3 is provided with a corresponding groove at the joint with the first connecting plate 4, the first connecting body 3 is provided with a corresponding threaded hole at the joint with the first fixing screw 6, the second connecting body 11 is provided with a corresponding groove at the joint with the second connecting plate 8, and the second connecting body 11 is provided with a corresponding threaded hole at the joint with the second fixing screw 9. The bottom of first connector 3 is provided with the through-hole, and the through-hole and the 4 fixed connection of first connecting plate of first connector 3 are passed to the one end of overlap joint line 5, and the bottom of second connector 11 is provided with the through-hole, and the through-hole and the 8 fixed connection of second connecting plate of second connector 11 are passed to the other end of overlap joint line 5. The first insulating ring 2 is made of rubber, the second insulating ring 13 is made of rubber, a gap between the cable and the fixing body can be sealed, the first fixing body 1 and the first insulating ring 2 are connected in an adhesive mode, and the second fixing body 12 and the second insulating ring 13 are connected in an adhesive mode. The first screw insulating sleeve 7 is made of rubber, the second screw insulating sleeve 10 is made of rubber, the first screw insulating sleeve 7 is in adhesive joint with the first fixing screw 6, and the second screw insulating sleeve 10 is in adhesive joint with the second fixing screw 9.

The working principle is as follows: one end of a cable is inserted into the first fixing body 1, leaked wires are in contact with the first connecting plate 4, the first fixing screws 6 are screwed down, the leaked wires are in close contact with the first connecting plate 4 through the first screw insulating sleeves 7, the maximum contact area is guaranteed, overheating of a joint is avoided, the connecting cable of the transformer is inserted into the second fixing body 12, the leaked wires are in contact with the second connecting plate 8, the second fixing screws 9 are screwed down, and the leaked wires are in close contact with the second connecting plate 8 through the second screw insulating sleeves 10, so that overlapping of the cable is completed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Overlap joint structure of prepackage type transformer substation's transformer cable, including first fixed body (1), its characterized in that: the top end of the first fixing body (1) is fixedly connected with a first insulating ring (2), the bottom end of the first fixing body (1) is fixedly connected with a first connecting body (3), the inner bottom end of the first connecting body (3) is fixedly connected with a first connecting plate (4), one side of the first connecting body (3) is in threaded connection with a first fixing screw (6), the top end of the first fixing screw (6) is fixedly connected with a first screw insulating sleeve (7), the bottom end of the first connecting plate (4) is fixedly connected with a lap joint wire (5), the other end of the lap joint wire (5) is fixedly connected with a second connecting plate (8), the peripheral side of the second connecting plate (8) is fixedly connected with a second connecting body (11), one side of the second connecting body (11) is in threaded connection with a second fixing screw (9), and the top end of the second fixing screw (9) is fixedly connected with a second screw insulating sleeve (10), the top end of the second connecting body (11) is fixedly connected with a second fixing body (12), and the top end of the second fixing body (12) is fixedly connected with a second insulating ring (13).

2. The lap joint structure of a preassembled transformer substation cable according to claim 1, characterized in that: the center department of the first fixed body (1) is provided with the through-hole, the material of the first fixed body (1) is pottery, the week side of the first fixed body (1) sets up the annular arch, the center department of the second fixed body (12) is provided with the through-hole, the material of the second fixed body (12) is pottery, the week side of the second fixed body (12) is provided with the annular arch.

3. The lap joint structure of a preassembled transformer substation cable according to claim 1, characterized in that: the connecting structure is characterized in that a corresponding groove is formed in the connecting position of the first connecting body (3) and the first connecting plate (4), a corresponding threaded hole is formed in the connecting position of the first connecting body (3) and the first fixing screw (6), a corresponding groove is formed in the connecting position of the second connecting body (11) and the second connecting plate (8), and a corresponding threaded hole is formed in the connecting position of the second connecting body (11) and the second fixing screw (9).

4. The lap joint structure of a preassembled transformer substation cable according to claim 1, characterized in that: the bottom of first connector (3) is provided with the through-hole, the through-hole and first connecting plate (4) fixed connection of first connector (3) are passed to the one end of overlap joint line (5), the bottom of second connector (11) is provided with the through-hole, the through-hole and second connecting plate (8) fixed connection of second connector (11) are passed to the other end of overlap joint line (5).

5. The lap joint structure of a preassembled transformer substation cable according to claim 1, characterized in that: the material of first insulating circle (2) is rubber, the material of second insulating circle (13) is rubber, first fixed body (1) and first insulating circle (2) are for gluing, second fixed body (12) and second insulating circle (13) are for gluing.

6. The lap joint structure of a preassembled transformer substation cable according to claim 1, characterized in that: the material of the first screw insulating sleeve (7) is rubber, the material of the second screw insulating sleeve (10) is rubber, the first screw insulating sleeve (7) is connected with the first fixing screw (6) in a gluing mode, and the second screw insulating sleeve (10) is connected with the second fixing screw (9) in a gluing mode.