CN223168002U - Bus type wall bushing device - Google Patents
Bus type wall bushing deviceInfo
- Publication number
- CN223168002U CN223168002U CN202422387138.3U CN202422387138U CN223168002U CN 223168002 U CN223168002 U CN 223168002U CN 202422387138 U CN202422387138 U CN 202422387138U CN 223168002 U CN223168002 U CN 223168002U
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- insulating
- fixing plate
- mounting
- mounting piece
- bus
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Abstract
本实用新型属于穿墙套管领域，具体涉及一种母线式穿墙套管装置。包括绝缘管型母线、安装组件和两个冷缩型的干式终端；绝缘管型母线的中部通过安装组件安装于目标墙体的安装口处，并通过接地线与安装组件连接，实现接地；绝缘管型母线的两端分别位于目标墙体的两侧；两个干式终端分别套装于绝缘管型母线上，且分别位于目标墙体的两侧；两个干式终端的内端与墙体的对应侧面之间分别设置有第一间隔，外端与绝缘管型母线的对应端部之间分别设置有第二间隔；绝缘管型母线的两端分别设置有一个接线端子。本实用新型在绝缘管型母线的两端分别设置一个冷缩型的干式终端，避免了传统瓷式终端可能存在的渗漏问题，提高了系统的稳定性和安全性。
The present invention belongs to the field of wall bushings, and specifically relates to a busbar wall bushing device. It comprises an insulating tubular busbar, an installation assembly, and two cold-shrink dry-type terminals; the middle portion of the insulating tubular busbar is installed at the installation opening of the target wall through the installation assembly, and is connected to the installation assembly through a grounding wire to achieve grounding; the two ends of the insulating tubular busbar are respectively located on both sides of the target wall; the two dry-type terminals are respectively sleeved on the insulating tubular busbar, and are respectively located on both sides of the target wall; a first spacer is respectively provided between the inner ends of the two dry-type terminals and the corresponding side surfaces of the wall, and a second spacer is respectively provided between the outer ends and the corresponding ends of the insulating tubular busbar; a wiring terminal is respectively provided at each end of the insulating tubular busbar. The present invention provides a cold-shrink dry-type terminal at each end of the insulating tubular busbar, thereby avoiding the leakage problem that may exist in traditional porcelain terminals and improving the stability and safety of the system.
Description
Technical Field
The utility model relates to a wall bushing device, in particular to a bus type wall bushing device.
Background
In an electric power system, an insulating tubular bus is used as an important component for electric energy transmission, has higher safety, reliability and installation convenience, has excellent insulating performance and mechanical strength, gradually replaces original electric power connecting equipment, and gradually becomes a new choice for electric connection.
The traditional wall bushing generally adopts a structure of a porcelain jacket and a copper bar, and the bushing with the structure has a plurality of inconveniences in the installation and maintenance processes, such as scrapping caused by umbrella skirt collision in the transportation process, complex installation (time and labor waste), poor sealing performance and the like.
Therefore, how to combine the insulating tubular busbar with the dry terminal and how to effectively and safely fix the insulating tubular busbar at the through-wall mounting plate becomes a problem to be solved.
Disclosure of utility model
The utility model aims to solve the technical problems that the prior wall bushing with the porcelain jacket and the copper bar is easy to cause the umbrella skirt to collide and cause scrapping in the transportation process, and is complex to install, poor in tightness and the like, and provides a bus type wall bushing device.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a bus type wall bushing device is characterized in that:
the device comprises an insulating tubular bus, a mounting assembly and two cold-shrink dry terminals;
The middle part of the insulating tubular bus is arranged at the mounting opening of the target wall body through the mounting assembly and is connected with the mounting assembly through the grounding wire to realize grounding;
The two dry terminals are respectively sleeved on the insulating tubular bus and are respectively positioned at two sides of the target wall body, a first interval is respectively arranged between the inner ends of the two dry terminals and the corresponding side surfaces of the wall body, and a second interval is respectively arranged between the outer ends of the two dry terminals and the corresponding end parts of the insulating tubular bus;
two ends of the insulating tubular bus are respectively provided with a wiring terminal for accessing external current.
Further, the mounting assembly comprises an upper mounting piece, a lower mounting piece, an upper fixing plate and a lower fixing plate;
The upper mounting piece, the lower mounting piece, the upper fixing plate and the lower fixing plate are made of conductive materials, the upper mounting piece and the lower mounting piece are respectively arranged on the upper side and the lower side of the middle of the insulating tubular bus and are connected through bolts, the lower end of the upper fixing plate and the upper end of the lower fixing plate are correspondingly arranged on the upper mounting piece and the lower mounting piece, the upper end of the upper fixing plate and the lower end of the lower fixing plate are respectively arranged on the inner wall of a target wall body, which is located at an installation opening, and the grounding wire is connected with the upper mounting piece or the lower mounting piece.
Further, the upper mounting piece and the lower mounting piece have the same structure and comprise mounting blocks and two mounting plates;
one side of the mounting block is provided with an arc-shaped groove matched with the peripheral surface of the insulating tubular bus, the two mounting plates are oppositely arranged on the other side of the mounting block, one side, close to each other, of the two mounting plates is provided with a mounting interval matched with the upper fixing plate and the lower fixing plate correspondingly, the mounting blocks of the upper mounting piece and the lower mounting piece are respectively arranged on the upper side and the lower side of the middle part of the insulating tubular bus through the respective arc-shaped grooves, the mounting blocks of the upper mounting piece and the lower mounting piece are connected through bolts, the lower end of the upper fixing plate and the upper end of the lower fixing plate are respectively arranged in the corresponding mounting interval, and the two mounting plates of the upper mounting piece and the lower mounting piece are connected through bolts to fix the upper fixing plate and the lower fixing plate correspondingly.
Further, the upper end of the upper fixing plate and the lower end of the lower fixing plate are respectively arranged on the inner wall of the installation opening of the target wall body through an angle iron.
The dry terminal comprises an inner shielding layer and an outer insulating layer, the conductor shielding layer and the insulating layer are sequentially extruded on the conductor from inside to outside, the outer insulating layer of the dry terminal is sleeved on the insulating layer of the insulating tubular bus, one end of the outer insulating layer of the dry terminal is shorter than the corresponding end of the conductor of the insulating tubular bus, the conductor presents a naked section, the other end of the outer insulating layer of the dry terminal is shorter than the corresponding end of the insulating layer of the insulating tubular bus, the insulating layer presents a naked section, the insulating shielding layer is sleeved on the naked section of the insulating layer, one end of the insulating layer extends to the inner side of the outer insulating layer, the inner shielding layer of the dry terminal is arranged on the inner side of the end of the outer insulating layer and is overlapped on the peripheral side of the inner side part of the insulating shielding layer, the metal shielding layer and the outer sheath are sequentially sleeved on the naked section of the insulating shielding layer from inside to outside, one end of the metal shielding layer is connected with the end of the outer insulating layer, the peripheral side of the metal shielding layer is connected with a grounding wire, the mounting component is mounted on the outer sheath, and the terminal is arranged on the end of the naked section of the conductor.
Further, the outer insulating layer is made of silicone rubber. The conductor is copper pipe or aluminum pipe. The periphery of the wiring terminal is provided with a wiring row.
The beneficial effects of the utility model are as follows:
1. According to the utility model, the two ends of the insulating tubular bus are respectively provided with the cold shrinkage type dry terminal, so that the leakage problem possibly existing in the traditional porcelain type terminal is avoided, and the stability and the safety of the system are improved.
2. According to the utility model, the insulating tubular bus can be fixedly installed on the target wall body through the upper installation piece, the lower installation piece, the upper fixing plate, the lower fixing plate and the angle iron, the installation process is simple, and the construction efficiency is higher.
3. The external insulating layer of the dry terminal is made of silicon rubber, so that damage caused by collision during transportation can be avoided.
4. When the umbrella skirt is damaged due to collision, the wall bushing device can directly replace the umbrella skirt without replacing the body, and can avoid the direct scrapping of the bushing device due to the damage of the umbrella skirt.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
fig. 2 is an enlarged view at a in fig. 1.
In the figure:
01-wall body;
1-insulating tubular bus, 11-conductor, 12-conductor shielding layer, 13-insulating layer, 14-insulating shielding layer, 15-metal shielding layer and 16-outer sheath;
2-mounting components, 21-upper mounting pieces, 22-lower mounting pieces, 23-upper fixing plates, 24-lower fixing plates, 25-mounting blocks, 26-mounting plates and 27-angle irons;
3-dry terminal, 31-inner shielding layer, 32-outer insulating layer;
4-binding post, 5-earth connection.
Detailed Description
To make the objects, advantages and features of the present utility model more apparent, a bus wall bushing apparatus according to the present utility model will be described in further detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present utility model will become more apparent from the following detailed description.
Referring to fig. 1, a bus type wall bushing apparatus of the present embodiment mainly includes an insulating tubular bus bar 1, a mounting assembly 2, and two dry terminals 3.
The installation opening for installing the bus type wall bushing device is formed in the target wall body 01, the middle of the insulating tubular bus 1 is installed at the installation opening of the target wall body 01 through the installation assembly 2, and two ends of the insulating tubular bus are located on two sides of the target wall body 01 respectively.
Specifically, the mounting assembly 2 is mainly composed of an upper mounting member 21 and a lower mounting member 22 which are identical in structure, and an upper fixing plate 23 and a lower fixing plate 24 which are identical in structure.
The upper mounting piece 21 and the lower mounting piece 22 comprise a mounting block 25 and two mounting plates 26, one side of the mounting block 25 is provided with an arc-shaped groove matched with the outer peripheral surface of the insulating tubular busbar 1, the two mounting plates 26 are oppositely arranged on the other side of the mounting block 25, and one side, close to each other, of the two mounting plates 26 is provided with a mounting interval correspondingly matched with the upper fixing plate 23 and the lower fixing plate 24.
The mounting blocks 25 of the upper mounting piece 21 and the lower mounting piece 22 are respectively arranged on the upper side and the lower side of the middle part of the insulating tubular bus 1 through respective arc grooves, the mounting blocks 25 of the upper mounting piece 21 and the lower mounting piece 22 are connected through a plurality of bolts so as to clamp the insulating tubular bus 1, the lower ends of the upper fixing plate 23 and the upper ends of the lower fixing plate 24 are respectively arranged in corresponding mounting intervals, the two mounting plates 26 of the upper mounting piece 21 and the lower mounting piece 22 are respectively connected through bolts, and the upper ends of the upper fixing plate 23 and the lower ends of the lower fixing plate 24 are respectively arranged on the inner wall of a mounting opening of the target wall 01 through an angle iron 27 so as to mount the insulating tubular bus 1 on the target wall 01.
It should be noted that the specific structure of the mounting assembly 2 is only a preferred embodiment of the present utility model, and those skilled in the art may select and design the mounting assembly 2 with other structures according to actual mounting requirements, so as to achieve a similar mounting effect.
The two dry terminals 3 are respectively sleeved on the insulating tubular bus 1 and are respectively positioned at two sides of the target wall body 01, a first interval is respectively arranged between the inner ends of the two dry terminals 3 and the corresponding side surfaces of the wall body 01, and a second interval is respectively arranged between the outer ends of the two dry terminals and the corresponding end parts of the insulating tubular bus 1. The terminal is tightly attached to the insulating tubular bus 1 by the cold shrinkage principle, and the dry terminal 3 with different sizes can be used according to voltage grades and different areas so as to meet the creepage distance of the site. Meanwhile, the design of the dry type terminal 3 also avoids the leakage problem possibly existing in the traditional porcelain type terminal, and improves the stability and safety of the whole structure.
Specifically, referring to fig. 1 and 2, the insulated tubular bus bar 1 includes a conductor 11, a conductor shield layer 12, an insulation layer 13, an insulation shield layer 14, a metal shield layer 15, and an outer sheath 16, and the dry terminal 3 includes an inner shield layer 31 and an outer insulation layer 32.
Wherein, the conductor 11 is copper pipe or aluminum pipe, the conductor shielding layer 12 and the insulating layer 13 are sequentially extruded on the conductor 11, so that the conductor 11, the conductor shielding layer 12 and the insulating layer 13 are tightly combined into a whole from inside to outside. The outer insulating layer 32 of the dry terminal 3 is sleeved on the insulating layer 13 of the insulating tubular bus 1, one end of the outer insulating layer 32 of the dry terminal 3 is shorter than the corresponding end of the conductor 11 of the insulating tubular bus 1, so that the conductor 11 presents a bare section, and the other end of the outer insulating layer 32 of the dry terminal 3 is shorter than the corresponding end of the insulating layer 13 of the insulating tubular bus 1, so that the insulating layer 13 presents a bare section. Preferably, the outer insulating layer 32 is made of silicone rubber, so that damage caused by collision during transportation can be avoided.
The insulating shielding layer 14 is sleeved on the exposed section of the insulating layer 13, one end of the insulating shielding layer extends to the inner side of the outer insulating layer 32, the inner shielding layer 31 of the dry terminal 3 is arranged on the inner side of the end part of the outer insulating layer 32 and is lapped on the periphery side of the insulating shielding layer 14 positioned on the inner side part of the outer insulating layer 32, so that a proper overlapping transition section is formed between the inner shielding layer 31 and the insulating shielding layer 14, an electric field is further uniformly distributed at the position, and the electric field is uniformly distributed, so that the concentration of the electric field with point discharge is avoided.
The metal shielding layer 15 and the outer sheath 16 are sleeved on the exposed section of the insulating shielding layer 14 from inside to outside in sequence, one end of the metal shielding layer is connected with the end part of the outer insulating layer 32, the mounting block 25 is arranged on the outer sheath 16, the periphery side of the metal shielding layer 15 is connected with one end of the grounding wire 5, the other end of the grounding wire 5 is connected with the upper fixing plate 23 or the lower fixing plate 24, and the upper mounting piece 21, the lower mounting piece 22, the upper fixing plate 23 and the lower fixing plate 24 are all made of conductive materials, so that the insulating tubular bus 1 is connected with the target wall 01, and the grounding is realized.
Two ends of the insulating tubular bus 1 are respectively provided with a wiring terminal 4, a wiring row is arranged at Zhou Cegen of the wiring terminal 4 according to current size in a cold pressing mode, and hole distances of the wiring row are specifically set according to requirements and used for accessing external current.
Claims (8)
1. A bus-type wall bushing apparatus, characterized in that:
Comprises an insulating tubular bus (1), a mounting assembly (2) and two cold-shrink dry terminals (3);
The middle part of the insulating tubular bus (1) is arranged at the mounting opening of the target wall body (01) through the mounting assembly (2) and is connected with the mounting assembly (2) through the grounding wire (5) to realize grounding, and the two ends of the insulating tubular bus (1) are respectively positioned at the two sides of the target wall body (01);
the two dry terminals (3) are respectively sleeved on the insulating tubular bus (1) and are respectively positioned at two sides of the target wall body (01), a first interval is respectively arranged between the inner ends of the two dry terminals (3) and the corresponding side surfaces of the wall body (01), and a second interval is respectively arranged between the outer ends of the two dry terminals and the corresponding end parts of the insulating tubular bus (1);
Two ends of the insulating tubular bus (1) are respectively provided with a wiring terminal (4) for accessing external current.
2. A bus wall bushing apparatus as set forth in claim 1 wherein:
the mounting assembly (2) comprises an upper mounting piece (21), a lower mounting piece (22), an upper fixing plate (23) and a lower fixing plate (24);
The upper mounting piece (21), the lower mounting piece (22), the upper fixing plate (23) and the lower fixing plate (24) are all made of conductive materials;
The upper mounting piece (21) and the lower mounting piece (22) are respectively arranged on the upper side and the lower side of the middle part of the insulating tubular busbar (1), and the upper mounting piece (21) and the lower mounting piece (22) are connected through bolts;
The lower end of the upper fixing plate (23) and the upper end of the lower fixing plate (24) are correspondingly arranged on the upper mounting piece (21) and the lower mounting piece (22), and the upper end of the upper fixing plate (23) and the lower end of the lower fixing plate (24) are respectively arranged on the inner wall of the mounting opening of the target wall body (01);
the grounding wire (5) is connected with the upper mounting piece (21) or the lower mounting piece (22).
3. A bus wall bushing apparatus as set forth in claim 2 wherein:
The upper mounting piece (21) and the lower mounting piece (22) have the same structure and comprise mounting blocks (25) and two mounting plates (26);
One side of the mounting block (25) is provided with an arc-shaped groove matched with the peripheral surface of the insulating tubular busbar (1), two mounting plates (26) are oppositely arranged on the other side of the mounting block (25), and one side, close to each other, of each mounting plate (26) is provided with a mounting interval matched with the upper fixing plate (23) and the lower fixing plate (24) correspondingly;
The mounting blocks (25) of the upper mounting piece (21) and the lower mounting piece (22) are respectively arranged on the upper side and the lower side of the middle part of the insulating tubular busbar (1) through respective arc grooves, and the mounting blocks (25) of the upper mounting piece (21) and the lower mounting piece (22) are connected through bolts;
the lower end of the upper fixing plate (23) and the upper end of the lower fixing plate (24) are respectively arranged in corresponding installation intervals, and the two installation plates (26) of the upper installation piece (21) and the lower installation piece (22) are connected through bolts to correspondingly fix the upper fixing plate (23) and the lower fixing plate (24).
4. A bus wall bushing apparatus according to claim 3, wherein:
The upper end of the upper fixing plate (23) and the lower end of the lower fixing plate (24) are respectively arranged on the inner wall of the installation opening of the target wall body (01) through an angle iron (27).
5. A bus wall bushing apparatus according to any of claims 1-4, wherein:
The insulated tubular bus (1) comprises a conductor (11), a conductor shielding layer (12), an insulating layer (13), an insulating shielding layer (14), a metal shielding layer (15) and an outer sheath (16);
The dry terminal (3) comprises an inner shielding layer (31) and an outer insulating layer (32);
The conductor shielding layer (12) and the insulating layer (13) are sequentially extruded on the conductor (11) from inside to outside, the outer insulating layer (32) of the dry terminal (3) is sleeved on the insulating layer (13) of the insulating tubular bus (1), one end of the outer insulating layer (32) of the dry terminal (3) is shorter than the corresponding end of the conductor (11) of the insulating tubular bus (1) so that the conductor (11) presents a bare section, and the other end of the outer insulating layer (32) of the dry terminal (3) is shorter than the corresponding end of the insulating layer (13) of the insulating tubular bus (1) so that the insulating layer (13) presents a bare section;
The insulating shielding layer (14) is sleeved on the exposed section of the insulating layer (13), and one end of the insulating shielding layer extends to the inner side of the outer insulating layer (32);
The inner shielding layer (31) is arranged on the inner side of the end part of the outer insulating layer (32) and is lapped on the periphery of the inner side part of the outer insulating layer (32) of the insulating shielding layer (14);
The metal shielding layer (15) and the outer sheath (16) are sequentially sleeved on the exposed section of the insulating shielding layer (14) from inside to outside, and one end of the metal shielding layer is connected with the end part of the outer insulating layer (32);
The circumference side of the metal shielding layer (15) is connected with the grounding wire (5), the installation component (2) is installed on the outer sheath (16), and the wiring terminal (4) is arranged at the exposed section end part of the conductor (11).
6. A bus wall bushing apparatus as set forth in claim 5 wherein:
The outer insulating layer (32) is made of silicon rubber.
7. A bus wall bushing apparatus as set forth in claim 6 wherein:
The conductor (11) is a copper pipe or an aluminum pipe.
8. A bus wall bushing apparatus as set forth in claim 1 wherein:
The periphery of the wiring terminal (4) is provided with a wiring row.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2024223161670 | 2024-09-23 | ||
| CN202422316167 | 2024-09-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223168002U true CN223168002U (en) | 2025-07-29 |
Family
ID=96481063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422387138.3U Active CN223168002U (en) | 2024-09-23 | 2024-09-29 | Bus type wall bushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223168002U (en) |
-
2024
- 2024-09-29 CN CN202422387138.3U patent/CN223168002U/en active Active
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