CN217282098U

CN217282098U - Fireproof bus duct

Info

Publication number: CN217282098U
Application number: CN202220145322.5U
Authority: CN
Inventors: 江秀兰
Original assignee: Guangdong Xiaoqiao Electric Co ltd
Current assignee: Guangdong Xiaoqiao Electric Co ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-08-23
Anticipated expiration: 2032-01-19

Abstract

The utility model discloses a fireproof bus duct, which comprises a bottom shell, wherein a holding cavity is arranged in the bottom shell, a first opening and a second opening which are communicated with the holding cavity are respectively arranged on two sides of the bottom shell, and a pouring opening communicated with the holding cavity is arranged at the upper end of the bottom shell; the plurality of first copper bars are accommodated in the first openings and the accommodating cavities; the plurality of second copper bars are accommodated in the second openings and the accommodating cavities and are connected with the plurality of first copper bars through the conductive connection structure; the fireproof pouring layer is poured in the accommodating cavity and covers at least part of the first copper bar, the conductive connecting structure and at least part of the second copper bar; the upper cover is connected with the bottom shell through a detachable structure and can seal the pouring opening; through the structure, the two sections of bus ducts can be conveniently and quickly connected, and the bus duct structure also has the advantages of fire prevention and water prevention and has very good practicability.

Description

Fireproof bus duct

Technical Field

The utility model relates to a bus duct field, in particular to fire prevention bus duct.

Background

With the emergence of modern engineering facilities and equipment, the power consumption of various industries is increased rapidly, particularly, the appearance of numerous high-rise buildings and large-scale factory workshops, the traditional cable serving as a power transmission lead cannot meet the requirement in a large-current transmission system, the parallel connection of multiple cables brings inconvenience to on-site installation construction connection, and the bus duct has the advantages of convenience in installation, low temperature rise, high safety and the like in an electric power laying and changing distribution system and is widely applied; but the fireproof capability of the existing bus duct is weak, and particularly the fireproof grade is lower at the joint of two sections of bus ducts; or the fireproof structure of the existing bus duct is very complex, which results in high cost and complex assembly procedures, and therefore, a novel fireproof bus duct is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a fire prevention bus duct.

The utility model discloses an embodiment solves the technical scheme that its technical problem adopted and is: a fire-resistant bus duct, comprising:

the bottom shell is internally provided with an accommodating cavity, a first opening and a second opening which are communicated with the accommodating cavity are respectively arranged on two sides of the bottom shell, and the upper end of the bottom shell is provided with a pouring opening communicated with the accommodating cavity;

the plurality of first copper bars are accommodated in the first openings and the accommodating cavities;

the plurality of second copper bars are accommodated in the second openings and the accommodating cavities and are connected with the plurality of first copper bars through the conductive connection structure;

the fireproof pouring layer is poured in the accommodating cavity and covers at least part of the first copper bar, the conductive connecting structure and at least part of the second copper bar;

the upper cover is connected with the bottom shell through a detachable structure and can seal the pouring opening.

Further, the conductive connection structure includes:

the connecting seat consists of a bottom plate, a first side plate and a second side plate;

the first copper bar is inserted into one end of the current-conducting plate, and the second copper bar is inserted into the other end of the current-conducting plate;

and the two ends of the clamping assembly are respectively connected with the first side plate and the second side plate and used for driving the first side plate and the second side plate to be close to or away from each other so as to clamp or loosen the current conducting plate, the first copper bar and the second copper bar.

Further, the clamping assembly comprises a screw rod, a first threaded hole formed in the first side plate and a second threaded hole formed in the second side plate, a first external thread connected with the first threaded hole in a threaded mode and a second external thread connected with the second threaded hole in a threaded mode are arranged at two ends of the screw rod respectively, and the spiral directions of the first external thread and the second external thread are opposite.

Further, an adjusting part is arranged on the screw rod and between the first external thread and the second external thread.

Further, the adjusting portion is provided as a nut.

Further, the detachable structure is a screw rod connecting structure.

Furthermore, leak-proof gaskets are arranged between the first copper bar and the first opening and between the second copper bar and the second opening.

The utility model has the advantages that: a fireproof bus duct comprises a bottom shell, wherein an accommodating cavity is formed in the bottom shell, a first opening and a second opening which are communicated with the accommodating cavity are formed in two sides of the bottom shell respectively, and a pouring opening communicated with the accommodating cavity is formed in the upper end of the bottom shell; the plurality of first copper bars are accommodated in the first openings and the accommodating cavities; the plurality of second copper bars are accommodated in the second openings and the accommodating cavities and are connected with the plurality of first copper bars through the conductive connection structure; the fireproof pouring layer is poured in the accommodating cavity and covers at least part of the first copper bar, the conductive connecting structure and at least part of the second copper bar; the upper cover is connected with the bottom shell through a detachable structure and can seal the pouring opening; through the structure, the two sections of bus ducts can be conveniently and quickly connected, and the bus duct structure also has the advantages of fire prevention and water prevention and has very good practicability.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a first schematic diagram of a fire-proof bus duct;

fig. 2 is a second schematic diagram of a fireproof bus duct.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as excluding the number, and the terms greater than, less than, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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.

In the present invention, unless otherwise explicitly defined, the terms "set," "mounted," "connected," and the like are to be understood in a broad sense, and may be directly connected or indirectly connected through an intermediate medium, for example; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be a mechanical connection; either internal to the two elements or in an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1-2, a fire-proof bus duct includes:

the bottom shell 10 is internally provided with an accommodating cavity 11, a first opening 12 and a second opening 13 which are communicated with the accommodating cavity 11 are respectively arranged at two sides of the bottom shell 10, and a pouring opening 14 communicated with the accommodating cavity 11 is arranged at the upper end of the bottom shell 10;

a plurality of first copper bars 20 accommodated in the first opening 12 and the accommodating cavity 11;

the plurality of second copper bars 30 are accommodated in the second opening 13 and the accommodating cavity 11 and are connected with the plurality of first copper bars 20 through the conductive connecting structure 40;

the fireproof pouring layer 50 is poured in the accommodating cavity 11 and covers at least part of the first copper bar 20, the conductive connecting structure 40 and at least part of the second copper bar 30;

and an upper cover 60 connected with the bottom shell 10 through a detachable structure 70 and capable of closing the pouring opening 14.

In the utility model, during the assembly, first the first copper bar 20 on the first bus duct is inserted into one side of the conductive plate 42, the second copper bar 30 on the second bus duct is inserted into the other side of the conductive plate 42, then the screw rod 431 is driven to rotate by adjusting the adjusting part 70, because the two ends of the screw rod 431 are respectively provided with the first external thread 4311 screwed with the first threaded hole 432 and the second external thread 4312 screwed with the second threaded hole 433, and the screw directions of the first external thread 4311 and the second external thread 4312 are opposite, therefore, the first side plate 412 and the second side plate 413 are driven to be close to or away from each other, thereby the conductive plate 42 can be clamped or loosened, the first copper bar 20 and the second copper bar 30 are tightly attached to each other, the stability and the conductivity of the connection are ensured, then the bottom shell 10 is sleeved on the junction of the two bus ducts from bottom to top, specifically, the first copper bar 20 is accommodated in the first opening 12 of the base 10, the second copper bar 30 is accommodated in the second opening 13 of the base 10, and the conductive connecting structure 40, a portion of the first copper bar 20 and a portion of the second copper bar 30 are accommodated in the accommodating cavity 11; further, a temporary or permanent limiting structure can be arranged between the bottom shell 10 and the first copper bar 20 and the second copper bar 30, so that the bottom shell 10 can be connected with the first copper bar 20 and the second copper bar 30 without supporting the bottom shell 10, then a fireproof pouring layer 50 is poured in the accommodating cavity 11, the bottom shell 10, the first copper bar 20 and the second copper bar 30 are completely covered in the fireproof pouring layer 50, the bottom shell 10, the first copper bar 20 and the second copper bar 30 can be protected, meanwhile, fireproof and waterproof effects are achieved, the fireproof pouring layer 50 can be made of an existing fireproof pouring material, limitation is not performed, and finally, the upper cover 60 is installed, so that the assembly of the bus duct can be completed; through the structure, the two sections of bus ducts can be conveniently and quickly connected, and the bus duct structure also has the advantages of fire prevention and water prevention and has very good practicability.

As a preferred embodiment of the conductive connection structure 40, the conductive connection structure 40 includes:

the connecting seat 41 is composed of a bottom plate 411, a first side plate 412 and a second side plate 413;

a plurality of conductive plates 42 disposed at intervals between the first side plate 412 and the second side plate 413, wherein the first copper bar 20 is inserted into one end of the conductive plate 42, and the second copper bar 30 is inserted into the other end of the conductive plate 42;

and the clamping assembly 43 is connected to the first side plate 412 and the second side plate 413 at two ends thereof respectively, and is used for driving the first side plate 412 and the second side plate 413 to approach to or move away from each other so as to clamp or loosen the conductive plate 42, the first copper bar 20 and the second copper bar 30.

As a preferred embodiment of the clamping assembly 43, the clamping assembly 43 includes a screw rod 431, a first threaded hole 432 disposed on the first side plate 412, and a second threaded hole 433 disposed on the second side plate 413, both ends of the screw rod 431 are respectively provided with a first external thread 4311 screwed with the first threaded hole 432 and a second external thread 4312 screwed with the second threaded hole 433, and the screw directions of the first external thread 4311 and the second external thread 4312 are opposite; has the advantages of simple structure, good clamping effect and convenient use.

An adjusting portion 70 is disposed on the screw 431 between the first external thread 4311 and the second external thread 4312.

The adjusting portion 70 is provided as a nut; can directly use the spanner to adjust, improve the convenience of equipment.

The detachable structure 70 is provided as a screw 431 connecting structure.

Leak-proof gaskets 80 are arranged between the first copper bar 20 and the first opening 12 and between the second copper bar 30 and the second opening 13; this arrangement prevents the refractory casting layer 50 from overflowing during casting.

The present invention is not limited to the above embodiments, and equivalent modifications and substitutions may be made by those skilled in the art without departing from the spirit of the present invention, and the equivalents and substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims

1. The utility model provides a fire prevention bus duct which characterized in that includes:

the bottom shell (10) is internally provided with an accommodating cavity (11), a first opening (12) and a second opening (13) which are communicated with the accommodating cavity (11) are respectively arranged on two sides of the bottom shell (10), and a pouring opening (14) communicated with the accommodating cavity (11) is arranged at the upper end of the bottom shell (10);

the plurality of first copper bars (20) are accommodated in the first openings (12) and the accommodating cavities (11);

the plurality of second copper bars (30) are accommodated in the second openings (13) and the accommodating cavities (11) and are connected with the plurality of first copper bars (20) through conductive connecting structures (40);

the fireproof pouring layer (50) is poured in the accommodating cavity (11) and covers at least part of the first copper bar (20), the conductive connecting structure (40) and at least part of the second copper bar (30);

an upper cover (60) connected with the bottom shell (10) through a detachable structure (70) and capable of closing the pouring opening (14).

2. A fire proof bus duct as set forth in claim 1, wherein said conductive connection structure (40) comprises:

the connecting seat (41) consists of a bottom plate (411), a first side plate (412) and a second side plate (413);

the plurality of conductive plates (42) are arranged between the first side plate (412) and the second side plate (413) at intervals, the first copper bar (20) is inserted into one end of each conductive plate (42), and the second copper bar (30) is inserted into the other end of each conductive plate (42);

and two ends of the clamping assembly (43) are respectively connected with the first side plate (412) and the second side plate (413) and used for driving the first side plate (412) and the second side plate (413) to be close to or away from each other so as to clamp or loosen the conductive plate (42), the first copper bar (20) and the second copper bar (30).

3. A fire proof bus duct of claim 2, wherein: the clamping assembly (43) comprises a screw rod (431), a first threaded hole (432) formed in the first side plate (412) and a second threaded hole (433) formed in the second side plate (413), first external threads (4311) screwed with the first threaded hole (432) and second external threads (4312) screwed with the second threaded hole (433) are respectively arranged at two ends of the screw rod (431), and the screw directions of the first external threads (4311) and the second external threads (4312) are opposite.

4. A fire-proof bus duct of claim 3, wherein: an adjusting part (80) is arranged on the screw rod (431) and between the first external thread (4311) and the second external thread (4312).

5. A fire-proof bus duct of claim 4, characterized in that: the adjusting portion (80) is provided as a nut.

6. A fire-proof bus duct of claim 1, wherein: the detachable structure (70) is arranged as a screw rod (431) connecting structure.

7. A fire proof bus duct of claim 1, wherein: and anti-leakage gaskets (90) are arranged between the first copper bar (20) and the first opening (12) and between the second copper bar (30) and the second opening (13).