CN216451117U

CN216451117U - Bus duct joint sealing device

Info

Publication number: CN216451117U
Application number: CN202122461495.6U
Authority: CN
Inventors: 杨友靠
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-05-06
Anticipated expiration: 2031-10-15

Abstract

The utility model relates to power equipment, in particular to an air insulation type bus duct joint sealing device. Including a bus duct 21, No. two bus ducts 22, a seal baffle 14, No. two seal baffle 13, sealed cowling 15, a sealing washer 17, No. two sealing washers 16, sealing bolt 18, gland nut 19, its characterized in that: the bus duct joint sealing device capable of diving for a long time has the advantages that the bus duct joint can still normally operate for a long time in a wet low-lying area or a groove with accumulated water by the aid of a unique sealing structure principle, and the sealing cover 15 which can be movably disassembled and assembled and is simple and convenient to mount enables overhaul to be quicker and more efficient. The air insulation type bus duct has the beneficial effects that the using place of the air insulation type bus duct is expanded in an all-around manner, and the maintenance procedures and time are reduced. The potential safety hazard of short-circuit explosion caused by the fact that the joint is affected with damp is avoided, the power supply of a power supply system is guaranteed to be safe and reliable, the problem that short-circuit explosion is caused by water seepage of the joint which is not overcome by the bus duct for a long time is completely solved, and the bus duct has wide application prospect.

Description

Bus duct joint sealing device

Technical Field

The utility model relates to power equipment, in particular to an air insulation type bus duct joint sealing device which can dive for a long time, a sealing cover can be movably disassembled and assembled, and the installation is simple and convenient.

Background

In the prior art, an air insulation type bus duct is power transmission and distribution equipment commonly used in a power supply system, the problems of poor sealing between a shell and a joint part and water leakage and water inflow exist for a long time, and the sealing technology that the joint part can be submerged has not been overcome for decades. If the bus duct is installed in wet low-lying areas, accumulated water exists in the groove, and the short circuit danger can occur due to slight leakage of the water inlet joint to cause explosion, so that casualties and economic loss are caused. The bus duct joint sealing device can dive for a long time, avoids accident potential and ensures the safety of a power supply system.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects and provides an air insulation type bus duct joint sealing device which can dive for a long time, a sealing cover can be movably disassembled and assembled and is simple and convenient to install.

The technical scheme of the utility model is that an air insulation type bus duct joint sealing device comprises a first bus duct 21, a second bus duct 22, a first sealing baffle 14, a second sealing baffle 13, a sealing cover 15, a first sealing ring 17, a second sealing ring 16, a sealing bolt 18 and a sealing nut 19, wherein the first bus duct 21 and the second bus duct 22 are fixedly connected together through a connecting plate 20, the first bus duct 21 and the second bus duct 22 are fixedly arranged on a supporting frame 9 through an A-phase bus 1, a B-phase bus 2, a C-phase bus 3, a zero line 4, a PE (polyethylene) line 5, an insulating bolt 6, an interphase insulating pad 7, a supporting insulating plate 8, a fastening nut 10 and a PE line bolt 11, and the supporting frame 9 is welded in a sealing shell 12. The method is characterized in that:

a the sealing cover 15 is fixedly connected with the second sealing baffle 13 through the sealing bolt 18 and the sealing nut 19, the sealing cover 15 can be simply and conveniently installed and detached by screwing or loosening the sealing nut 19, and the actual operation condition of the bus duct joint can be quickly maintained and checked.

b, the assembling structure of the air insulation type bus duct joint sealing device is that a first sealing baffle plate 14 and a second sealing baffle plate 13 are respectively welded on a sealing shell 12 of a first bus duct 21 and a second bus duct 22 in a seamless mode, a first sealing ring 17 is placed on the first sealing baffle plate 14, a second sealing ring 16 is placed on the second sealing baffle plate 13, then a sealing cover 15 is sleeved on the sealing shell 12 of the first bus duct 21 until the second sealing baffle plate 13 is sleeved, the sealing cover 15 is tightly installed on the second sealing baffle plate 13 through a sealing bolt 18 and a sealing nut 19, the first sealing ring 17 and the second sealing ring 16 are attached to the shell of the sealing cover 15 in a pressing mode, the effect of complete sealing is achieved, a completely closed space is formed, and the joint sealing device of the air insulation type bus duct is provided.

The air insulation type bus duct with the connector sealing device has the advantages that the air insulation type bus duct with the connector sealing device can still normally operate for a long time in a wet low-lying area or a groove with accumulated water, the use place of the air insulation type bus duct is expanded in an all-around manner, in addition, the sealing cover which is easy to disassemble and assemble reduces the maintenance process and time, and the maintenance is faster and more efficient. The joint sealing device for the bus duct is an air insulation type joint sealing device for the bus duct, completely solves the problem of short circuit explosion caused by water seepage of the joint which is not overcome by the bus duct for a long time, and has wide application prospect.

Drawings

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is a schematic top view of the structure.

Fig. 3 is a schematic left-side view.

Fig. 4 is a schematic diagram of the structure viewed from the right.

Fig. 5 is an enlarged schematic view of a part of section i of fig. 1.

Fig. 6 is an enlarged schematic view of a partial section ii of fig. 1.

In the figure: the bus comprises a 1-A phase bus, a 2-B phase bus, a 3-C phase bus, a 4-zero line, a 5-PE line, a 6-insulating bolt, a 7-interphase insulating pad, an 8-supporting insulating plate, a 9-supporting frame, a 10-fastening nut, a 11-PE line bolt, a 12-sealing shell, a 13-second sealing baffle, a 14-first sealing baffle, a 15-sealing cover, a 16-second sealing ring, a 17-first sealing ring, a 18-sealing bolt, a 19-sealing nut, a 20-connecting plate, a 21-first bus duct and a 22-second bus duct.

Detailed Description

The embodiments are further described in a preferred manner in the following description with reference to the drawings.

Referring to fig. 1-6, the present invention mainly solves the following three problems: one is a sealed busway joint device; one is a sealing cover which can be movably assembled and disassembled; one is the assembling structure of the sealing device of the air insulation type bus duct joint.

1. Sealed bus duct piecing devices: the unique sealing structure principle enables the bus duct joint to normally operate for a long time in a wet low-lying area or a groove with accumulated water. The use place of bus duct has been expanded to the omnidirectional, has improved power supply system's factor of safety.

2. The movable detachable sealing cover: the sealing cover 15 is fixedly connected with the second sealing baffle 13 through the sealing bolt 18 and the sealing nut 19, the sealing cover 15 can be simply and conveniently installed and detached by screwing or loosening the sealing nut 19, and the actual operation condition of the bus duct joint can be quickly maintained and checked.

3. Air insulation type bus duct joint sealing device's assembly structure: a first sealing baffle plate 14 and a second sealing baffle plate 13 are respectively welded on a sealing shell 12 of a first bus duct 21 and a second bus duct 22 in a seamless mode, a first sealing ring 17 is placed on the first sealing baffle plate 14, a second sealing ring 16 is placed on the second sealing baffle plate 13, then a sealing cover 15 is sleeved on the sealing shell 12 of the first bus duct 21 until the second sealing baffle plate 13 is sleeved, the sealing cover 15 is fixedly installed on the second sealing baffle plate 13 through a sealing bolt 18 and a sealing nut 19, the first sealing ring 17 and the second sealing ring 16 are attached to and pressed with the shell of the sealing cover 15, the effect of complete sealing is achieved, a completely closed space is formed, and an air insulation type bus duct joint sealing device is provided.

After the measures are taken, the air insulation type bus duct can still normally operate for a long time in a wet low-lying area or a groove with accumulated water, the use place of the air insulation type bus duct is expanded in an all-round mode, and the potential safety hazard of short circuit explosion caused by the fact that a joint is affected with damp is avoided. The problem of short circuit explosion caused by water seepage of the joint which is not overcome in the bus duct for a long time is completely solved, and the bus duct has wide application prospect.

The preferred embodiments of the present invention, illustrated in the above fig. 1-6, show the substantial characteristics and the remarkable progress of the present invention, and the equivalent modifications in shape, structure and the like can be made according to the needs of the practical use, within the protection scope of the present technical solution, in the light of the technical teaching of the present invention.

Claims

1. The utility model provides a bus duct joint sealing device, includes bus duct (21), No. two bus ducts (22), a seal baffle (14), No. two seal baffle (13), sealed cowling (15), a sealing washer (17), No. two sealing washers (16), sealing bolt (18), gland nut (19), its characterized in that:

a, the sealing cover (15) is fixedly connected with a second sealing baffle (13) through a sealing bolt (18) and a sealing nut (19), the sealing cover (15) can be simply and conveniently installed and detached by screwing or loosening the sealing nut (19), and the actual operation condition of a bus duct joint can be quickly maintained and checked;

b, the assembly structure of the bus duct joint sealing device is that a first sealing baffle plate (14) and a second sealing baffle plate (13) are respectively welded on a sealing shell (12) of a first bus duct (21) and a second bus duct (22) in a seamless mode, a first sealing ring (17) is arranged on the first sealing baffle plate (14), a second sealing ring (16) is arranged on the second sealing baffle plate (13), then the sealing cover (15) is sleeved on a sealing shell (12) of a first bus duct (21) until a second sealing baffle plate (13) is sleeved, the sealing cover (15) is tightly installed on the second sealing baffle plate (13) by using a sealing bolt (18) and a sealing nut (19), and a first sealing ring (17) and a second sealing ring (16) are attached to the shell of the sealing cover (15) together, so that the effect of complete sealing is achieved, a completely closed space is formed, and a joint sealing device of the air insulation type bus duct is provided.