CN215870700U - Cable trench firewall - Google Patents
Cable trench firewall Download PDFInfo
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- CN215870700U CN215870700U CN202122171768.3U CN202122171768U CN215870700U CN 215870700 U CN215870700 U CN 215870700U CN 202122171768 U CN202122171768 U CN 202122171768U CN 215870700 U CN215870700 U CN 215870700U
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Abstract
The utility model relates to the technical field of cable fire prevention, in particular to a cable trench firewall, which comprises a wall body, a first angle steel bracket and a second angle steel bracket, wherein the first angle steel bracket is arranged on the wall body; the wall body comprises a first fireproof plate and a second fireproof plate which are oppositely arranged; a first organic material blocking layer is arranged between the first fireproof plate and the bottom surface of the cable trench and between the second fireproof plate and the bottom surface of the cable trench; the lower side of the wall body is also provided with a drainage groove which penetrates through the first fireproof plate and the second fireproof plate, and an opening at the lower side of the drainage groove is opposite to the bottom surface of the cable trench; a water through hole communicated with the water drainage grooves on the first fireproof plate and the second fireproof plate is formed in the accommodating cavity and is a hole built by bricks; the wall body is also provided with a cable through hole penetrating through the first fireproof plate and the second fireproof plate, and an organic material blocking convex layer used for wrapping the cable is arranged at the opening of the cable through hole; the holding cavity is provided with a fireproof layer, and the upper side of the wall body is provided with a fireproof cover plate used for covering the opening at the upper end of the holding cavity. According to the scheme of the utility model, the fireproof effect is better.
Description
Technical Field
The utility model relates to the technical field of cable fire prevention, in particular to a cable trench firewall.
Background
For safety, a firewall is constructed at intervals in a cable trench in which cables are laid to prevent a certain cable from igniting and the fire from spreading to both sides along the cable. The existing cable trench firewall is relatively simple in structure and not good enough in fireproof performance, and when fire occurs, the situation that the cable trench firewall is prone to fire failure is solved urgently.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a cable trench firewall, which mainly solves the technical problems that: how to improve the fire-proof performance of the cable trench firewall.
In order to achieve the purpose, the utility model mainly provides the following technical scheme:
the embodiment of the utility model provides a cable trench firewall, which comprises a wall body, a first angle steel bracket and a second angle steel bracket, wherein the first angle steel bracket is arranged on the wall body; the wall body comprises a first fireproof plate and a second fireproof plate, wherein the first fireproof plate and the second fireproof plate are arranged oppositely at intervals, and an accommodating cavity is formed between the first fireproof plate and the second fireproof plate; one sides of the first fireproof plate and the second fireproof plate are fixed with the groove wall on one side of the cable trench through a first angle iron bracket, and the other sides of the first fireproof plate and the second fireproof plate are fixed with the groove wall on the other side of the cable trench through a second angle iron bracket; a first organic material blocking layer is arranged between the first fireproof plate and the bottom surface of the cable trench and between the second fireproof plate and the bottom surface of the cable trench; the lower side of the wall body is also provided with a drainage groove which penetrates through the first fireproof plate and the second fireproof plate, and an opening at the lower side of the drainage groove is opposite to the bottom surface of the cable trench; a water through hole communicated with the water drainage grooves on the first fireproof plate and the second fireproof plate is formed in the accommodating cavity and is a hole built by bricks; the wall body is also provided with a cable through hole penetrating through the first fireproof plate and the second fireproof plate, and an organic material blocking convex layer used for wrapping the cable is arranged at the opening of the cable through hole; it is equipped with the flame retardant coating to hold the intracavity, the upside of wall body is equipped with and is used for closing to hold chamber upper end open-ended fire prevention apron, be equipped with the organic putty layer of second between fire prevention apron and the flame retardant coating.
Optionally, the height of the first organic blocking layer protruding the outer surface of the wall is more than 10 mm, and the width of the first organic blocking layer is more than 20 mm.
Optionally, the height of the organic blocking material convex layer protruding out of the outer side surface of the wall body is more than 20 mm, and the distance between the outer edge of the organic blocking material convex layer and the outer surface of the cable passing through the hole is less than or equal to 30 mm.
Optionally, the cable has a wall-penetrating section located in the accommodating cavity, the outer side of the wall-penetrating section is coated with a third organic material blocking layer, and the distance from the outer edge of the third organic material blocking layer to the outer surface of the wall-penetrating section is greater than or equal to 20 mm.
Optionally, the upper end surface of the fireproof cover plate is provided with a marking layer.
Optionally, the fireproof layer is an inorganic blocking material layer, a fireproof covering layer or a fireproof brick layer.
Optionally, the cable trench firewall further comprises a partition board, wherein the partition board is installed in the accommodating cavity and divides the accommodating cavity into a first wire passing cavity and a second wire passing cavity; the drainage channel comprises a first drainage channel penetrating through the first wire passing cavity and a second drainage channel penetrating through the second wire passing cavity; the cable via hole comprises a first cable via hole penetrating through the first wire passing cavity and a second cable via hole penetrating through the second wire passing cavity.
Optionally, a first inserting groove is formed in the inner side of the first fireproof plate, and a second inserting groove is formed in the inner side of the second fireproof plate; one side of the partition board is used for being plugged in the first plugging groove, and the other side of the partition board is used for being plugged in the second plugging groove.
Optionally, the upper side of the partition plate is provided with a protrusion, the fireproof cover plate is provided with a through insertion hole, and the partition plate is inserted into the insertion hole through the protrusion and is in sealing fit with the insertion hole.
By the technical scheme, the cable trench firewall at least has the following beneficial effects:
1. a first organic material blocking layer is arranged between the lower sides of the first fireproof plate and the second fireproof plate and the bottom surface of the cable trench, and can block a gap between the two fireproof plates and the bottom surface of the cable trench, so that the fireproof cable trench has the advantage of preventing flame from leaking;
2. an organic blocking material convex layer wrapped on the cable is arranged at the opening of the cable through hole, the organic blocking material convex layer protrudes out of the outer side surface of the wall body, and can block a gap between the cable and the cable through hole, so that flame is further prevented from leaking from the inside of the wall body;
3. when cable quantity is more, can divide into two wire passing regions through the baffle with preventing hot wall, can make the cable effectively walk the line on the one hand, on the other hand also can play the effect of keeping apart the intensity of a fire, when preventing that the cable of one side from catching fire, the intensity of a fire spreads on the cable of opposite side.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of a cable trench firewall according to an embodiment of the present invention;
FIG. 2 is a top view of the cable trench fire wall of FIG. 1 with the fire-resistant cover hidden;
fig. 3 is a partially exploded schematic view of the trench firewall concealed fire barrier layer and the second organic plugging layer of fig. 1.
Reference numerals: 1. a cable trench; 2. a first fire retardant panel; 3. a second fire retardant panel; 4. a first angle steel bracket; 5. a second angle bracket; 6. a fireproof cover plate; 7. an organic putty convex layer; 8. a cable; 9. a partition plate; 10. a second organic plugging layer; 11. a first organic plugging layer; 21. a first insertion groove; 31. a second insertion groove; 61. inserting holes; 91. a protrusion; 101. a first drainage tank; 102. a second water discharge tank; 201. a first wire passing cavity; 202. the second wire passing cavity.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1 and 2, an embodiment of the present invention provides a cable trench firewall, which includes a wall, a first angle bracket 4, and a second angle bracket 5. The wall body includes first PLASTIC LAMINATED 2 and second PLASTIC LAMINATED 3, and first PLASTIC LAMINATED 2 and the relative interval setting of second PLASTIC LAMINATED 3 just form between the two and hold the chamber. One sides of the first fireproof plate 2 and the second fireproof plate 3 are fixed with the wall of one side of the cable trench 1 through the first angle iron bracket 4, and the other sides of the first fireproof plate and the second fireproof plate are fixed with the wall of the other side of the cable trench 1 through the second angle iron bracket 5. Particularly, the quantity of first angle iron bracket 4 and second angle iron bracket 5 both can be two, and two first angle iron brackets 4 all pass through the screw fixation on the trench wall of 1 one side of cable pit, and two second angle iron brackets 5 all pass through the screw fixation on the trench wall of 1 opposite side of cable pit, and the screw fixation is passed through on one side of first PLASTIC LAMINATED 2 on one first angle iron bracket 4, and the screw fixation is passed through on one second angle iron bracket 5 to the opposite side. One side of the second fireproof plate 3 is fixed on the other first angle bracket 4 through screws, and the other side of the second fireproof plate is fixed on the other second angle bracket 5 through screws.
The lower sides of the first angle bracket 4 and the second angle bracket 5 are both abutted against the bottom surface of the cable trench 1. Preferably, the bottom surface of the cable trench 1 is provided with a first groove which is consistent with the appearance of the first angle steel bracket 4, the lower side of the first angle steel bracket 4 is used for being inserted into the first groove, the bottom surface of the cable trench 1 is also provided with a second groove which is consistent with the appearance of the second angle steel bracket 5, and the lower side of the second angle steel bracket 5 is used for being inserted into the second groove.
As shown in fig. 1, a first organic material blocking layer 11 is disposed between the first fire-proof plate 2 and the second fire-proof plate 3 and the bottom surface of the cable trench 1. First PLASTIC LAMINATED 2 and second PLASTIC LAMINATED 3 both are through the sealed cooperation in first organic putty layer 11 and the bottom surface of cable pit 1 to prevent that the flame of wall body one side from stretching out in the gap of first PLASTIC LAMINATED 2 and the two downside of second PLASTIC LAMINATED 3. Preferably, the height of the first organic plugging layer 11 protruding out of the outer surface of the wall is more than 10 mm, and the width is more than 20 mm.
And a drainage groove penetrating through the first fireproof plate 2 and the second fireproof plate 3 is further formed in the lower side of the wall body, and the lower side opening of the drainage groove is opposite to the bottom surface of the cable trench 1 so as to form a drainage hole in cooperation with the bottom surface of the cable trench 1. The holding cavity is internally provided with a water passing hole communicated with the water drainage grooves on the first fireproof plate 2 and the second fireproof plate 3, and the water passing hole is a hole formed by building bricks. Wherein, the wash port is mainly used for getting rid of the ponding in the cable pit 1, prevents that ponding from corroding cable 8.
As shown in fig. 2, a cable through hole penetrating through the first fireproof plate 2 and the second fireproof plate 3 is further formed in the wall, and an organic material blocking convex layer 7 used for wrapping a cable 8 is arranged at an opening of the cable through hole. Preferably, the height L of the organic blocking material convex layer 7 protruding out of the outer side surface of the wall body is more than 20 mm, and the distance between the outer edge of the organic blocking material convex layer 7 and the outer surface of the cable 8 in the hole is less than or equal to 30 mm. Wherein, the organic putty convex layer 7 can effectively plug the gap between the cable 8 and the via hole, can prevent the flame from leaking from the gap.
Aforesaid hold the intracavity and be equipped with the flame retardant coating, this flame retardant coating can be inorganic putty layer, fire prevention covering or firebrick layer etc. and the flame retardant coating cooperates with first PLASTIC LAMINATED 2 and second PLASTIC LAMINATED 3, can further prevent stretching of intensity of a fire in the wall body.
As shown in fig. 2 and 3, a fireproof cover plate 6 for covering the opening at the upper end of the accommodating cavity is arranged on the upper side of the wall body, and a second organic material blocking layer 10 is arranged between the fireproof cover plate 6 and the fireproof layer. The fire-resistant cover 6 may provide shell protection to the fire-resistant layer inside the wall.
The cable 8 has a wall-penetrating section located in the accommodating cavity, the outer side of the wall-penetrating section is coated with a third organic material blocking layer, and the distance between the outer edge of the third organic material blocking layer and the outer surface of the wall-penetrating section is greater than or equal to 20 mm. Wherein, the third organic material blocking layer can further improve the fireproof performance of the cable 8 in the fireproof wall.
The upper end face of the fireproof cover plate 6 can be provided with a mark layer, and the mark layer can be in the word of a firewall so as to provide warning for operators or maintenance personnel.
In a specific application example, as shown in fig. 3, the cable trench firewall may further include a partition 9, where the partition 9 is a fireproof partition. The partition plate 9 is used for being installed in the accommodating cavity and dividing the accommodating cavity into a first wire passing cavity 201 and a second wire passing cavity 202. The drain channel includes a first drain channel 101 penetrating through the first wire passing cavity 201 and a second drain channel 102 penetrating through the second wire passing cavity 202. The cable via holes include a first cable via hole penetrating the first wire passing cavity 201 and a second cable via hole penetrating the second wire passing cavity 202.
In the above example, when the number of the cables 8 is large, the firewall is divided into two wire passing areas by the partition board 9, on one hand, the cables 8 can be effectively wired, on the other hand, the firewall can also play a role in isolating fire, and when the cable 8 on one side catches fire, the fire is prevented from spreading to the cable 8 on the other side.
To facilitate the installation of the partition 9, as shown in fig. 2, the first fireproof plate 2 may be provided with a first inserting groove 21 on the inner side, and the second fireproof plate 3 may be provided with a second inserting groove 31 on the inner side. One side of the partition 9 is adapted to be inserted into the first insertion groove 21 and the other side is adapted to be inserted into the second insertion groove 31. The partition board 9 can be conveniently and rapidly inserted and mounted through the arranged first inserting groove 21 and the second inserting groove 31.
As shown in fig. 3, the partition board 9 has a protrusion 91 on the upper side thereof, the protrusion 91 may be located in the middle of the upper side of the partition board 9, the fireproof cover plate 6 is provided with a through insertion hole 61, and the partition board 9 is inserted into the insertion hole 61 through the protrusion 91 and is in sealing fit with the insertion hole 61. Wherein, the bulge 91 on the baffle 9 is inserted with the inserting hole 61 on the fireproof cover plate 6, which is beneficial to fixing the fireproof cover plate 6.
The protrusion 91 and the inner wall of the insertion hole 61 may be sealed by a fire-proof adhesive.
The working principle and preferred embodiments of the present invention are described below.
The utility model provides a cable trench firewall, which comprises a wall body, wherein the wall body comprises a first fireproof plate 2 and a second fireproof plate 3 which are oppositely arranged at intervals, a first organic material blocking layer 11 is arranged between the lower sides of the first fireproof plate 2 and the second fireproof plate 3 and the bottom surface of a cable trench 1, and the first organic material blocking layer 11 can block a gap between the two fireproof plates and the bottom surface of the cable trench 1, so that the cable trench firewall has the advantage of preventing flame from leaking.
Still be equipped with the cable via hole that runs through first PLASTIC LAMINATED 2 and second PLASTIC LAMINATED 3 on the aforementioned wall body, cable 8 passes this cable via hole, and the opening part of cable via hole is equipped with the protruding layer 7 of organic putty of parcel on cable 8, and the outside surface of the protruding wall body of this organic putty layer 7 protrusion, its gap that can shutoff cable 8 and cable via hole between, further prevents that the flame from leaking from the wall body is inside.
Here, it should be noted that: in the case of no conflict, a person skilled in the art may combine the related technical features in the above examples according to actual situations to achieve corresponding technical effects, and details of various combining situations are not described herein.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (8)
1. The cable trench firewall is characterized by comprising a wall body, a first angle steel bracket (4) and a second angle steel bracket (5);
the wall body comprises a first fireproof plate (2) and a second fireproof plate (3), wherein the first fireproof plate (2) and the second fireproof plate (3) are arranged oppositely at intervals, and an accommodating cavity is formed between the first fireproof plate and the second fireproof plate; one sides of the first fireproof plate (2) and the second fireproof plate (3) are fixed with the wall of one side of the cable trench (1) through a first angle iron bracket (4), and the other sides of the first fireproof plate and the second fireproof plate are fixed with the wall of the other side of the cable trench (1) through a second angle iron bracket (5);
a first organic material blocking layer (11) is arranged between the first fireproof plate (2) and the second fireproof plate (3) and the bottom surface of the cable trench (1); the lower side of the wall body is also provided with a drainage groove which penetrates through the first fireproof plate (2) and the second fireproof plate (3), and an opening at the lower side of the drainage groove is opposite to the bottom surface of the cable trench (1); a water through hole communicated with the water drainage grooves on the first fireproof plate (2) and the second fireproof plate (3) is formed in the accommodating cavity, and the water through hole is formed by building bricks;
the wall body is also provided with a cable through hole penetrating through the first fireproof plate (2) and the second fireproof plate (3), and an organic material blocking convex layer (7) used for wrapping a cable (8) is arranged at an opening of the cable through hole;
it is equipped with the flame retardant coating to hold the intracavity, the upside of wall body is equipped with and is used for closing to hold chamber upper end open-ended fire prevention apron (6), be equipped with organic putty layer of second (10) between fire prevention apron (6) and the flame retardant coating.
2. The cable trench firewall of claim 1,
the height of the first organic material blocking layer (11) protruding out of the outer side surface of the wall body is more than 10 mm, and the width of the first organic material blocking layer is more than 20 mm.
3. The cable trench firewall of claim 1,
the height L of the organic blocking material convex layer (7) protruding out of the outer side surface of the wall body is more than 20 mm, and the distance between the outer edge of the organic blocking material convex layer (7) and the outer surface of the cable (8) in the hole is less than or equal to 30 mm.
4. The cable trench firewall of claim 1,
the cable (8) is provided with a wall penetrating section positioned in the accommodating cavity, a third organic material blocking layer is coated on the outer side of the wall penetrating section, and the distance between the outer edge of the third organic material blocking layer and the outer surface of the wall penetrating section is greater than or equal to 20 mm.
5. The cable trench firewall of claim 1,
the fireproof layer is an inorganic blocking material layer, a fireproof covering layer or a fireproof brick layer.
6. The cable trench firewall according to any one of claims 1 to 5, further comprising a partition (9), wherein the partition (9) is used for being installed in the accommodating cavity and dividing the accommodating cavity into a first wire passing cavity (201) and a second wire passing cavity (202);
the drainage channel comprises a first drainage channel (101) penetrating through the first wire passing cavity (201) and a second drainage channel (102) penetrating through the second wire passing cavity (202);
the cable via holes comprise a first cable via hole penetrating through the first wire passing cavity (201) and a second cable via hole penetrating through the second wire passing cavity (202).
7. The cable trench firewall of claim 6,
a first inserting groove (21) is formed in the inner side of the first fireproof plate (2), and a second inserting groove (31) is formed in the inner side of the second fireproof plate (3); one side of the partition plate (9) is used for being inserted into the first insertion groove (21), and the other side of the partition plate is used for being inserted into the second insertion groove (31).
8. The cable trench firewall of claim 7,
the upside of baffle (9) has arch (91), be equipped with spliced eye (61) that run through on fire prevention apron (6), baffle (9) are pegged graft in spliced eye (61) through arch (91), and with spliced eye (61) sealed cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122171768.3U CN215870700U (en) | 2021-09-08 | 2021-09-08 | Cable trench firewall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122171768.3U CN215870700U (en) | 2021-09-08 | 2021-09-08 | Cable trench firewall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215870700U true CN215870700U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122171768.3U Active CN215870700U (en) | 2021-09-08 | 2021-09-08 | Cable trench firewall |
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| Country | Link |
|---|---|
| CN (1) | CN215870700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115779308A (en) * | 2022-12-15 | 2023-03-14 | 国网河南省电力公司漯河供电公司 | Novel fireproof cable trench |
-
2021
- 2021-09-08 CN CN202122171768.3U patent/CN215870700U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115779308A (en) * | 2022-12-15 | 2023-03-14 | 国网河南省电力公司漯河供电公司 | Novel fireproof cable trench |
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