CN210182975U - Fireproof double-groove bus duct - Google Patents
Fireproof double-groove bus duct Download PDFInfo
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- CN210182975U CN210182975U CN201921239853.5U CN201921239853U CN210182975U CN 210182975 U CN210182975 U CN 210182975U CN 201921239853 U CN201921239853 U CN 201921239853U CN 210182975 U CN210182975 U CN 210182975U
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Abstract
The utility model relates to a fireproof double-groove bus duct, which comprises an upper cover plate (1), a lower cover plate (1) and an outer side plate (2) connected between the two cover plates (1), wherein a positioning cover plate (3) is respectively connected between the upper end of the outer side plate (2) and the lower end of the outer side plate, the positioning cover plate (3) is connected with an inner cover plate (5), the inner cover plate (5) is connected with a pair of inner side plates (6), and the lower end of the inner side plate (6) is connected with a middle cover plate (7); a group of rows of conductors (8) is arranged in the middle of a first groove body (12) among the inner cover plate (5), the inner side plate (6) and the middle cover plate (7), an insulating fireproof layer (9) is coated outside each conductor (8), and a second groove body (13) is arranged below the first groove body (12) and is the same as the first groove body (12); an insulating layer (11) is arranged between the inner side plate (6) and the outer side plate (2). The utility model has the advantages that increased internal capacity, improved leakproofness and fire prevention security.
Description
Technical Field
The utility model belongs to the technical field of bus duct equipment technique and specifically relates to a fire prevention type double flute bus duct.
Background
The bus duct is a bus system composed of a metal plate protective shell, a conductive bar, an insulating material and related accessories, and gradually replaces cables in a large-current transmission system. At present the bus duct of general use is single groove structure, and the leakproofness between each component is not enough, when actual demand increases, can't satisfy the operation requirement simultaneously, and when ambient temperature risees suddenly, high temperature can influence the normal use of bus duct internal conductor in can transmitting to the bus duct along the shell of bus duct, reduces the life of bus duct.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is exactly in order to solve the problem that current bus duct structure is single, the leakproofness is poor, the fire behavior is low, provides a fire prevention type double flute bus duct, has not only improved its structure, has increased its internal capacity, has improved cooperation and leakproofness between each part moreover, makes its safety of preventing fires more.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a fire prevention type double flute bus duct, includes two upper and lower apron and connects the outer panel between two apron, its characterized in that:
the cover plate and the outer side plate are both U-shaped groove plates, the upper end and the lower end of the outer side plate are respectively connected into a U-shaped groove of the cover plate, a U-shaped positioning cover plate is respectively connected between the upper ends of the outer side plates and between the lower ends of the outer side plates, the U-shaped opening of the positioning cover plate is opposite to the U-shaped opening of the cover plate, a closed cavity is formed between the U-shaped opening of the positioning cover plate and the U-shaped opening of the cover plate, and;
the positioning cover plate is connected with an inner cover plate, the inner cover plate comprises a connecting plate, one end of the connecting plate is rolled inwards to form a groove, a pair of L-shaped connecting plates vertical to the connecting plate are fixed on the connecting plate, the two L-shaped connecting plates are opposite, and a half-open cavity is formed between the two L-shaped connecting plates;
the inner cover plate is connected with a pair of parallel inner side plates, each inner side plate comprises L-shaped side plates at two ends and a box body connected between the L-shaped side plates, each L-shaped side plate is connected with the L-shaped connecting plate through a bolt, one end of each L-shaped side plate is just clamped into the corresponding groove, and a group of cavities are formed in each box body to facilitate internal heat dissipation;
the lower end of the inner side plate is connected with a middle cover plate, and the structure of the middle cover plate is the same as that of the inner cover plate;
a first groove body is arranged among the inner cover plate, the inner side plate and the middle cover plate, a group of rows of conductors are arranged in the middle of the first groove body, each conductor is coated with an insulating fireproof layer, and mica is arranged at the upper part and the lower part of the first groove body to improve the fireproof performance;
a second groove body is arranged below the first groove body, and the arrangement of the second groove body is the same as that of the first groove body.
And a heat insulation layer is arranged between the inner side plate and the outer side plate to reduce the influence of the external temperature on the inner conductor.
In the technical scheme of the utility model, the capacity of the bus duct is increased by the upper and lower two connected groove bodies; the structures are connected in a bolt and clamping manner, so that the sealing performance is improved; the inner side plate is provided with the cavity, so that heat dissipation of the inner conductor can be facilitated, and meanwhile, fireproof heat-insulating materials are additionally arranged in the cavities, so that the fireproof performance of the bus duct is improved.
Drawings
Fig. 1 is a schematic structural view of a fireproof double-groove bus duct of the present invention;
FIG. 2 is a schematic structural view of the upper and lower tanks of the present invention;
FIG. 3 is a structural diagram of the inner cover plate of the present invention;
fig. 4 is a structural view of the inner side plate of the present invention.
Detailed Description
Example 1
In order to make the present invention more clearly understood, the following description is made with reference to the accompanying drawings, and the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.
Referring to fig. 1, a fire prevention type double flute bus duct, includes two apron 1 from top to bottom and connects in two outer panel 2 between apron 1, its characterized in that:
the cover plate 1 and the outer side plate 2 are both U-shaped groove plates, the upper end and the lower end of the outer side plate 2 are respectively connected into the U-shaped groove of the cover plate 1 through bolts, a U-shaped positioning cover plate 3 is respectively connected between the upper ends of the outer side plates 2 and between the lower ends of the outer side plates 2, the U-shaped opening of the positioning cover plate 3 is opposite to the U-shaped opening of the cover plate 1, a closed cavity is formed between the two, and fireproof cotton 4 is arranged in the closed cavity;
referring to fig. 1 and 3, the positioning cover plate 3 is connected with an inner cover plate 5, the inner cover plate 5 comprises a connecting plate 5a, one end of the connecting plate 5a is rolled inwards to form a groove 5b, a pair of L-shaped connecting plates 5c perpendicular to the connecting plate 5a are fixed on the connecting plate 5a, the two L-shaped connecting plates 5c are opposite, and a half-open cavity 5d is formed between the two L-shaped connecting plates;
referring to fig. 1, 3 and 4, the inner cover plate 5 is connected with a pair of parallel inner side plates 6, each inner side plate 6 comprises L-shaped side plates 6a at two ends and a box body 6b connected between the L-shaped side plates 6a, one surface of each L-shaped side plate 6a is connected with an L-shaped connecting plate 5c through a bolt, the other surface of each L-shaped side plate 6a is just clamped into the corresponding groove 5b, and four cavities are arranged in each box body 6b to facilitate internal heat dissipation;
the lower end of the inner side plate 6 is connected with a middle cover plate 7, and the structure of the middle cover plate 7 is the same as that of the inner cover plate 5;
referring to fig. 1 and 2, a first trough body 12 is arranged between an inner cover plate 5, an inner side plate 6 and a middle cover plate 7, a group of rows of conductors 8 are arranged in the middle of the first trough body 12, each conductor 8 is coated with an insulating fireproof layer 9, and mica 10 is arranged at the upper part and the lower part of the first trough body 12 to improve fireproof performance;
a second tank body 13 is arranged below the first tank body 12, and the arrangement of the second tank body 13 is the same as that of the first tank body 12.
An insulating layer 11 is arranged between the inner side plate 6 and the outer side plate 2 for reducing the influence of the external temperature on the inner conductor.
The insulating fireproof layer 9 is made of a ceramic fireproof and fireproof composite material.
In the utility model, the capacity of the bus duct is increased by the upper and lower two connected groove bodies; the structures are connected in a bolt and clamping manner, so that the sealing performance is improved; the inner side plate is provided with the cavity, so that heat dissipation of the inner conductor can be facilitated, and meanwhile, fireproof heat-insulating materials are additionally arranged in the cavities, so that the fireproof performance of the bus duct is improved.
In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.
Claims (3)
1. The utility model provides a fire prevention type double flute bus duct, includes two apron (1) from top to bottom and connects in two outer panel (2) between apron (1), its characterized in that:
a positioning cover plate (3) is respectively connected between the upper ends of the outer side plates (2) and the lower ends of the outer side plates, and fireproof cotton (4) is arranged between the positioning cover plate (3) and the cover plate (1);
the positioning cover plate (3) is connected with an inner cover plate (5), the inner cover plate (5) comprises a connecting plate (5 a), one end of the connecting plate (5 a) rolls inwards to form a groove (5 b), a pair of L-shaped connecting plates (5 c) perpendicular to the connecting plate (5 a) are fixed on the connecting plate (5 a), the two L-shaped connecting plates (5 c) are opposite, and a half-open cavity (5 d) is formed between the two L-shaped connecting plates;
the inner cover plate (5) is connected with a pair of parallel inner side plates (6), the lower ends of the inner side plates (6) are connected with a middle cover plate (7), and the middle cover plate (7) and the inner cover plate (5) have the same structure;
a first groove body (12) is arranged among the inner cover plate (5), the inner side plate (6) and the middle cover plate (7), a group of rows of conductors (8) is arranged in the middle of the first groove body (12), an insulating fireproof layer (9) is coated outside each conductor (8), and mica (10) is arranged at the upper part and the lower part of the first groove body (12);
a second tank body (13) is arranged below the first tank body (12), and the arrangement of the second tank body (13) is the same as that of the first tank body (12);
an insulating layer (11) is arranged between the inner side plate (6) and the outer side plate (2).
2. A fire-resistant double-slot bus duct according to claim 1, wherein:
the cover plate (1), the outer side plate (2) and the positioning cover plate (3) are all U-shaped groove plates, the upper end and the lower end of the outer side plate (2) are respectively connected in a U-shaped groove of the cover plate (1), and the U-shaped opening of the positioning cover plate (3) is opposite to the U-shaped opening of the cover plate.
3. A fire-resistant double-slot bus duct according to claim 1 or 2, wherein:
the inner side plate (6) comprises L-shaped side plates (6 a) at two ends and a box body (6 b) connected between the L-shaped side plates (6 a), each L-shaped side plate (6 a) is connected with an L-shaped connecting plate (5 c) through a bolt, one end of each L-shaped side plate (6 a) is just clamped into the corresponding groove (5 b), and a group of cavities (6 c) is arranged in each box body (6 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921239853.5U CN210182975U (en) | 2019-08-02 | 2019-08-02 | Fireproof double-groove bus duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921239853.5U CN210182975U (en) | 2019-08-02 | 2019-08-02 | Fireproof double-groove bus duct |
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| Publication Number | Publication Date |
|---|---|
| CN210182975U true CN210182975U (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921239853.5U Active CN210182975U (en) | 2019-08-02 | 2019-08-02 | Fireproof double-groove bus duct |
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| CN (1) | CN210182975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110535084A (en) * | 2019-08-02 | 2019-12-03 | 江苏华强电力设备有限公司 | A kind of fire-type double flute bus duct |
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2019
- 2019-08-02 CN CN201921239853.5U patent/CN210182975U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110535084A (en) * | 2019-08-02 | 2019-12-03 | 江苏华强电力设备有限公司 | A kind of fire-type double flute bus duct |
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