CN220042924U

CN220042924U - Easy-to-disassemble openable enclosed bus shell connecting device

Info

Publication number: CN220042924U
Application number: CN202320979740.9U
Authority: CN
Inventors: 马荣亮; 蔡宏格; 王俊; 屈文锋; 张勋; 夏建华
Original assignee: China Yangtze Power Co Ltd
Current assignee: China Yangtze Power Co Ltd
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-11-17
Anticipated expiration: 2033-04-26

Abstract

The utility model provides a closed bus shell connecting device convenient to disassemble and assemble and capable of being opened. The number of times of dismounting the sealing device is reduced, and the sealing device is convenient and labor-saving. The device has simple components, is convenient for batch processing and has strong field universality. The connecting device of the enclosed bus shell adopts a sleeving installation mode, is simple to install between the arc-shaped panels, and has few using tools.

Description

Easy-to-disassemble openable enclosed bus shell connecting device

Technical Field

The utility model relates to the field of bus conductor overhaul, in particular to a closed bus shell connecting device convenient to disassemble and assemble and capable of being opened.

Background

In the electric power system, a split-phase closed bus is generally adopted in a outgoing line loop of a 200MW and above generator, and mainly comprises a cylindrical bus conductor, a supporting insulator and a cylindrical protective shielding shell. The conductor and the shell adopt a coaxial structure. The isolated phase enclosed bus is usually connected with electrical equipment such as generator outlets, main transformers, transformers for factories (stations), exciting transformers, voltage transformers and the like. When the equipment is installed, an installation gap is reserved between the interface part of the isolated phase closed bus and equipment such as a main transformer, a dry-type transformer, an excitation transformer, a voltage transformer and the like, and when various electrical equipment and the isolated phase closed bus are connected and installed, the gap part of the bus shell is required to be closed in order to prevent foreign matters and moisture from invading the shell.

At present, the gap of the bus bar shell is generally sealed by adopting a cylinder type rubber corrugated pipe. The bellows is sleeved outside the shell, and the contact parts overlapped with the shells at the two ends are fastened by steel hoops. The structure has the advantages of large adjustment amount of the upper circle and the lower circle, and inconvenient disassembly and assembly of the corrugated pipe when the connection state of the bus conductor is required to be checked or a test is carried out.

Therefore, a new butt joint device for the shell of the enclosed bus is required to be invented, and the butt joint device can be conveniently opened and easily disassembled.

Disclosure of Invention

The utility model mainly aims to provide a closed bus shell connecting device which is convenient to disassemble and assemble and capable of being opened, and solves the problem that a corrugated pipe is inconvenient to disassemble and assemble when a bus conductor connecting state is required to be checked or a test is carried out.

In order to solve the technical problems, the utility model adopts the following technical scheme: sealed busbar shell connecting device convenient to dismouting is openable, and the access tube both ends are connected with the ripple governing pipe, and ripple governing pipe tip is provided with the collar, is equipped with at least one access hole on the access tube, is equipped with the access door on the access hole, and the access door medial surface outer ring is equipped with the sealing strip, and the access door medial surface supports to lean on the access tube and seals.

In the preferred scheme, access door and access tube sliding connection, perhaps access door one end articulates, access door other end and access tube joint.

In the preferred scheme, the movable end of the access door is provided with a door lock catch, the door lock catch comprises a handle and a lock tongue, the handle is arranged on the outer wall of the access door, the lock tongue is arranged on the inner wall of the access door, the handle is connected with the lock tongue through a rotating shaft, and the outer side face of the lock tongue is abutted against the inner side face of the access pipe to be locked.

In the preferred scheme, ripple governing pipe upper portion surface is equipped with a plurality of concave seal grooves, and the installation intra-annular surface is equipped with a plurality of bellied packing strips, packing strips and seal groove cooperation.

In the preferred scheme, the installing ring includes two arc area, and two arc area one end articulates or is connected through the nut, and two arc area other ends are connected through the nut.

The utility model provides a closed bus shell connecting device which is convenient to disassemble and assemble and capable of being opened. The openable access door is arranged on the access pipe, and the access door can be opened only by rotating the window door lock during routine maintenance or inspection, so that the dismounting times of the sealing device are reduced, and the labor is saved. The device has simple components, is convenient for batch processing and has strong field universality. The connecting device of the enclosed bus shell adopts a sleeving installation mode, is simple to install between the arc-shaped panels, and has few using tools.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a general installation structure diagram of the present utility model;

FIG. 2 is a general external view of the connecting device of the present utility model;

FIG. 3 is a drawing of a construction of the connecting device of the present utility model;

fig. 4 is a cross-sectional view of the general door latch of the present utility model.

In the figure: a mounting ring 1; a hold down bar 101; a bellows adjusting tube 2; seal groove 201; a service pipe 3; an access door 4; a sealing strip 401; a door lock 5; a handle 501; bolt 502.

Detailed Description

As shown in fig. 1-4, a closed bus shell connecting device convenient to disassemble and assemble and capable of being opened is characterized in that two ends of an access pipe 3 are connected with corrugated adjusting pipes 2, the end parts of the corrugated adjusting pipes 2 are provided with mounting rings 1, at least one access hole is formed in the access pipe 3, an access door 4 is arranged on the access hole, a sealing strip 401 is arranged on an outer ring of the inner side surface of the access door 4, and the inner side surface of the access door 4 is abutted against the access pipe 3 to be sealed. As shown in fig. 1-3, the connecting device of the enclosed bus shell adopts a sleeving installation mode, the upper end and the lower end of the connecting device are locked and installed through the installation ring 1, the hard plastic overhaul pipe 3 is spliced with the soft rubber corrugated adjusting pipe 2, the openable overhaul door 4 is arranged on the overhaul pipe 3, and the overhaul door 4 can be opened only by rotating the window door lock during routine overhaul or inspection.

In the preferred scheme, access door 4 and access tube 3 sliding connection, perhaps access door 4 one end articulates, access door 4 other end and access tube 3 joint. According to the technical scheme, one end of the access door 4 is hinged, and the other end of the access door 4 is clamped with the access pipe 3, so that the structure is shown in fig. 3.

In the preferred scheme, be equipped with door lock catch 5 on access door 4 movable end, door lock catch 5 includes handle 501 and spring bolt 502, and handle 501 sets up at access door 4 outer wall, and spring bolt 502 sets up at access door 4 inner wall, and handle 501 and spring bolt 502 pass through rotation axis connection, and the spring bolt 502 lateral surface supports and leans on the locking of access tube 3 medial surface. As shown in fig. 4, the access door 4 is pressed at the access hole of the access tube 3, and the lock tongue 502 is clamped inside the side surface of the access hole by rotating the handle 501, as shown in fig. 3. The whole access door 4 can be opened by only rotating the handle 501 to rotate the lock tongue 502 out of the side of the access opening.

In the preferred scheme, the upper surface of ripple regulation pipe 2 is equipped with a plurality of concave seal grooves 201, and the collar 1 internal surface is equipped with a plurality of bellied packing strips 101, and packing strips 101 and seal grooves 201 cooperate. The compression strip 101 cooperates with the seal groove 201 to play a sealing role and also play a role in skid resistance, so that the sliding between the outer surface of the corrugated adjusting tube 2 and the inner surface of the mounting ring 1 is prevented.

In the preferred scheme, the installation ring 1 comprises two arc-shaped belts, one ends of the two arc-shaped belts are hinged or connected through nuts, and the other ends of the two arc-shaped belts are connected through nuts. The utility model adopts two arc belts, and both ends of the two arc belts are connected by nuts.

The above embodiments are only preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the scope of the present utility model should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.

Claims

1. A kind of easy-to-disassemble and openable enclosed busbar shell connecting device, characterized by: the two ends of the access pipe (3) are connected with the corrugated adjusting pipe (2), the end part of the corrugated adjusting pipe (2) is provided with the installing ring (1), at least one access hole is formed in the access pipe (3), the access hole is provided with the access door (4), the outer ring of the inner side surface of the access door (4) is provided with the sealing strip (401), and the inner side surface of the access door (4) is propped against the access pipe (3) to be sealed.

2. The easy-to-disassemble openable enclosed busbar housing connection device of claim 1, wherein: the access door (4) is in sliding connection with the access pipe (3), or one end of the access door (4) is hinged, and the other end of the access door (4) is clamped with the access pipe (3).

3. The connection device for the enclosure bus bar housing, which is easy to disassemble and assemble and is openable, according to claim 2, characterized in that: the movable end of the access door (4) is provided with a door lock catch (5), the door lock catch (5) comprises a handle (501) and a lock tongue (502), the handle (501) is arranged on the outer wall of the access door (4), the lock tongue (502) is arranged on the inner wall of the access door (4), the handle (501) and the lock tongue (502) are connected through a rotating shaft, and the outer side face of the lock tongue (502) is abutted against the inner side face of the access pipe (3) to be locked.

4. The easy-to-disassemble openable enclosed busbar housing connection device of claim 1, wherein: the upper surface of the corrugated adjusting pipe (2) is provided with a plurality of concave sealing grooves (201), the inner surface of the mounting ring (1) is provided with a plurality of convex pressing strips (101), and the pressing strips (101) are matched with the sealing grooves (201).

5. The easy-to-disassemble openable enclosed busbar housing connection device of claim 1, wherein: the mounting ring (1) comprises two arc-shaped belts, one ends of the two arc-shaped belts are hinged or connected through nuts, and the other ends of the two arc-shaped belts are connected through nuts.