CN210898421U

CN210898421U - Fireproof plugging structure of cable

Info

Publication number: CN210898421U
Application number: CN201922408938.8U
Authority: CN
Inventors: 张红宇; 王瑜; 徐莹
Original assignee: Harbin Product Quality Supervision And Inspection Institute
Current assignee: Harbin Product Quality Supervision And Inspection Institute
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-06-30
Anticipated expiration: 2029-12-28

Abstract

The utility model discloses a fire prevention block structure of cable, including well pellet, fire prevention package and fire proof coating, the left and right sides of well pellet is all settled there is the side piece, and the intermediate position of well pellet and side piece all installs organic putty, settle in the outside of organic putty has the asbestos gauge net, the fire prevention package is settled in the outside of asbestos gauge net, and the adjacent gap packing of fire prevention package has inorganic putty, the upper left corner and the lower right corner of well pellet all are fixed with the fixture block, glass fiber cloth is installed to the inboard of organic putty, and the inboard of glass fiber cloth is connected with the fire prevention sealed glue, fire proof coating sets up in the sealed inboard of fire prevention, and fire proof coating's internally mounted has the cable, fire proof coating's outward flange four corners all is connected with the expansion bolt, and fire proof coating's the outside is provided with the wall body. The utility model discloses a set up that overall structure is prefabricated in advance, avoided need prepare multiple material in advance and carry out the trouble of site operation, be favorable to alleviateing staff's burden.

Description

Fireproof plugging structure of cable

Technical Field

The utility model relates to a cable fire resistive construction technical field specifically is a fire prevention block structure of cable.

Background

Cables are generally rope-like cables made by stranding several or groups of conductors, at least two in each group, each group being insulated from each other and often twisted around a center, the entire outer surface being covered with a highly insulating covering. The cable is erected in the air or installed underground or underwater for telecommunication or power transmission, and when the cable penetrates through a wall in the laying process, a fireproof blocking structure needs to be arranged inside the wall, so that the cable is effectively prevented from being ignited to cause more serious fire.

However, most of fireproof plugging structures in the current market are manufactured in site construction, multiple materials need to be prepared in advance, construction is troublesome, and the existing fireproof plugging structures have the problem of poor protection effect on cables inside walls.

Disclosure of Invention

An object of the utility model is to provide a fire prevention block structure of cable to the fire prevention block structure on the existing market who proposes in solving above-mentioned background art is mostly the site operation manufacturing, not only needs to prepare multiple material in advance, and the construction is got up also more troublesome, and current fire prevention block structure exists the relatively poor problem of protective action to the inside cable of wall body.

In order to achieve the above object, the utility model provides a following technical scheme: a fireproof plugging structure of a cable comprises a middle core block, a fireproof bag and fireproof paint, wherein the left side and the right side of the middle core block are respectively provided with a side block, organic plugging materials are respectively arranged at the middle positions of the middle core block and the side blocks, the outer side of the organic plugging materials is provided with an asbestos net, the fireproof bag is arranged at the outer side of the asbestos net, adjacent gaps of the fireproof bag are filled with inorganic plugging materials, clamping blocks are respectively fixed at the upper left corner and the lower right corner of the middle core block, glass fiber cloth is arranged at the inner side of the organic plugging materials, fireproof sealant is connected to the inner side of the glass fiber cloth, the fireproof paint is arranged at the inner side of the fireproof sealant, the cable is arranged inside the fireproof paint, fireproof plugging plates are respectively arranged at the front side and the rear side of the fireproof bag, fireproof partition plates are arranged at the outer sides of the fireproof plugging plates, and four corners of the fireproof partition plates are, and a wall body is arranged on the outer side of the fireproof partition plate.

Preferably, the number of the middle core blocks is 3, and the connection mode between the adjacent middle core blocks is a clamping connection.

Preferably, the clamping groove is formed in the upper right corner of the side block, the clamping block is matched with the clamping groove in size, and the side block forms a clamping structure with the middle core block through the clamping groove and the clamping block.

Preferably, an enclosing structure is formed between the fireproof coating and the cable, the thickness of the fireproof coating is not less than 1mm, and the length of the fireproof coating from the fireproof partition board is not less than 1000 mm.

Preferably, the fireproof plugging plate is connected with the fireproof partition plate in a bonding mode through fireproof sealant, and the fireproof partition plate is connected with the wall body through expansion bolts in a threaded mode.

Preferably, the material of fire prevention closure plate is the rock wool board, and fire prevention closure plate and fire baffle around the horizontal central line of organic putty symmetrical distribution to the distance between two sets of fire baffles is not less than 240 mm.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the fireproof plugging structure of the cable is characterized in that the whole structure is prefabricated in advance, the trouble that multiple materials need to be prepared in advance for field construction in the prior art is avoided, the burden of workers is favorably reduced, the fireproof plugging structure is formed by splicing three middle core blocks and two side blocks of the whole structure, so that a user can increase the number of the middle core blocks according to the number of the cables to match the middle core blocks, and the practicability of the whole structure is greatly improved;

2. the clamping effect between the clamping blocks and the clamping grooves is used for splicing the middle core blocks and the side blocks, and two adjacent middle core blocks can also be spliced together by using the clamping effect in the same way, so that the cable is conveniently clamped at the inner side of the glass fiber cloth, the fixing operation is convenient and quick, the construction time of workers is greatly saved, the fireproof coating is arranged and coated on the cable, and the fireproof coating is coated at the position extending out of the wall body by one meter along the cable, so that the fireproof protection is carried out on the cable when the cable is far away from the wall body, and the danger of the fire spread of the cable is favorably reduced;

3. set up fire prevention shutoff board and fire barrier and be the stereoplasm material, so as to carry out good moulding to the overall structure outside, effectively protect inside flexible organic putty and inorganic putty, avoid in transportation and use, the structural configuration takes place to warp and can't be suitable inlays and use in the wall body, it passes through expansion bolts and wall connection to set up the fire barrier, connect convenient operation, the gap that produces between fire barrier and the wall body utilizes fire prevention sealant to carry out the shutoff simultaneously, effectively improve compactness and steadiness of installation between overall structure and the wall body, then effectively improve the fire prevention shutoff effect, set up the thickness phase-match of distance between the inside and outside two-layer fire barrier and wall body, so that keep the wall after the shutoff level and smooth pleasing to the eye.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the cross-sectional structure of the present invention;

fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 2 according to the present invention.

In the figure: 1. a middle core block; 2. a side block; 3. organic blocking; 4. an asbestos web; 5. a fire-proof bag; 6. inorganic blocking; 7. a clamping block; 8. glass fiber cloth; 9. fireproof sealant; 10. a fire retardant coating; 11. a fire-proof closure plate; 12. a fire barrier; 13. an expansion bolt; 14. a wall body; 15. an electrical cable.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a fireproof plugging structure of a cable comprises a middle core block 1, side blocks 2, an organic plugging material 3, an asbestos net 4, a fireproof bag 5, an inorganic plugging material 6, a clamping block 7, fiberglass cloth 8, fireproof sealant 9, fireproof paint 10, a fireproof plugging plate 11, a fireproof partition plate 12, an expansion bolt 13, a wall 14 and a cable 15, wherein the left side and the right side of the middle core block 1 are respectively provided with the side blocks 2, the organic plugging material 3 is respectively arranged at the middle positions of the middle core block 1 and the side blocks 2, the asbestos net 4 is arranged at the outer side of the organic plugging material 3, the fireproof bag 5 is arranged at the outer side of the asbestos net 4, the adjacent gaps of the fireproof bag 5 are filled with the inorganic plugging material 6, the clamping blocks 7 are respectively fixed at the upper left corner and the lower right corner of the middle core block 1, the fiberglass cloth 8 is arranged at the inner side of the organic plugging material 3, the inner side of the fiberglass cloth 8 is connected with the fireproof sealant 9, the fireproof paint 10 is arranged at, the cable 15 is arranged in the fireproof coating 10, the number of the middle core blocks 1 is 3, the adjacent middle core blocks 1 are connected in a clamping mode, the whole structure is prefabricated in advance, the trouble that multiple materials need to be prepared in advance for field construction in the prior art is avoided, the burden of workers is favorably reduced, the whole structure is formed by splicing three middle core blocks 1 and two side blocks 2, so that a user can increase the number of the middle core blocks 1 according to the number of the cable 15 to match the number of the middle core blocks, and the practicability of the whole structure is greatly improved;

the clamping groove is arranged at the upper right corner of the side block 2, the sizes of the clamping block 7 and the clamping groove are matched, the side block 2 and the middle core block 1 form a clamping structure through the clamping groove and the clamping block 7, the clamping groove is arranged at the position, corresponding to the clamping block 7 on the middle core block 1, on the side block 2, the clamping groove is also arranged at the position, corresponding to the clamping block 7 on the middle core block 1 and the clamping groove on the side block 2, of the middle core block 1, so that the middle core block 1 and the side block 2 can be spliced together through the clamping action between the clamping block 7 and the clamping groove, two adjacent middle core blocks 1 can also be spliced together through the clamping action, a cable 15 can be conveniently clamped at the inner side of the glass fiber cloth 8, the fixing operation is convenient and quick, the construction time of workers is greatly saved, the fireproof plugging plates 11 are respectively arranged at the front side and the rear side of the fireproof bag 5, the fireproof plugging plates 12 are arranged at the outer sides of, a wall 14 is arranged on the outer side of the fireproof partition plate 12, an enclosing structure is formed between the fireproof paint 10 and the cable 15, the thickness of the fireproof paint 10 is not less than 1mm, the length of the fireproof paint 10 from the fireproof partition plate 12 is not less than 1000mm, the fireproof paint 10 is arranged to be coated on the cable 15, and the fireproof paint 10 is coated at a position extending out of the wall 14 by one meter along the cable 15, so that the cable 15 is protected from fire when being far away from the wall 14, and the danger of fire spreading of the cable 15 is reduced;

the fireproof plugging plate 11 and the fireproof partition plate 12 are connected through a fireproof sealant 9 in an adhesive manner, the fireproof partition plate 12 is in threaded connection with the wall 14 through an expansion bolt 13, the fireproof plugging plate 11 and the fireproof partition plate 12 are made of hard materials so as to be convenient for well shaping the outer side of the whole structure, the flexible organic plugging material 3 and the inorganic plugging material 6 inside are effectively protected, the situation that the structure is deformed and cannot be properly embedded in the wall 14 for use in the transportation and use process is avoided, the fireproof partition plate 12 is connected with the wall 14 through the expansion bolt 13, the connection operation is convenient, meanwhile, a gap generated between the fireproof partition plate 12 and the wall 14 is plugged through the fireproof sealant 9, the tightness and the stability of installation between the whole structure and the wall 14 are effectively improved, the fireproof plugging effect is effectively improved, and the fireproof plugging plate 11 is made of rock wool plates, the fireproof blocking plates 11 and the fireproof partition plates 12 are symmetrically distributed in front and back directions about the horizontal center line of the organic blocking material 3, the distance between the two groups of fireproof partition plates 12 is not less than 240mm, and the distance between the inner layer of fireproof partition plate 12 and the outer layer of fireproof partition plate 12 is matched with the thickness of the wall 14, so that the smoothness and the attractiveness of the blocked wall surface are maintained.

The working principle is as follows: for the fireproof plugging structure of the cable, firstly, the middle core block 1 and the side block 2 are detached and divided into a plurality of splicing blocks, then the middle core block 1 and the side block 2 close to the left side are taken out, the fireproof coating 10 is firstly coated on the cable 15, then the cable 15 coated with the fireproof coating 10 is placed between the glass fiber cloth 8 of the middle core block 1 and the side block 2, meanwhile, the clamping blocks 7 corresponding to the middle core block 1 and the side block 2 are aligned with the clamping grooves, then the middle core block 1 and the side block 2 are extruded towards the middle, the clamping blocks 7 are clamped into the clamping grooves, meanwhile, the two glass fiber cloths 8 form a circle, the cable 15 is clamped in the middle, then the fireproof sealant 9 is injected between the glass fiber cloths 8 and the cable 15 for connection and sealing, other middle core blocks 1 and the side blocks 2 are connected and fixed according to the operation, at the moment, the organic plugging material 3 wraps the cable 15 at the first layer, and asbestos net 4 moulds organic putty 3, avoid it yielding, and fire prevention package 5 and inorganic putty 6 form two layers of parcels, strengthened fire prevention shutoff effect, fire prevention shutoff board 11 and fire barrier 12 form the shell of overall structure this moment, improve the hardness and the rigidity of overall structure, hit fire prevention sealant 9 at every well pellet 1 and the outside junction of side piece 2 and carry out sealing connection, inlay the overall structure inside the hole of reserving in advance on wall body 14 again, screw up expansion bolts 13, expansion bolts 13 locks wall body 14 and fire barrier 12, hit fire prevention sealant 9 inside the gap that wall body 14 and fire barrier 12 formed simultaneously and carry out sealing connection, just so accomplish the use of the fire prevention shutoff structure of whole cable.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fire prevention block structure of cable, includes well core block (1), fire prevention package (5) and fire retardant coating (10), its characterized in that: the fireproof core is characterized in that side blocks (2) are arranged on the left side and the right side of the middle core block (1), organic blocking materials (3) are arranged at the middle positions of the middle core block (1) and the side blocks (2), asbestos nets (4) are arranged on the outer sides of the organic blocking materials (3), fireproof bags (5) are arranged on the outer sides of the asbestos nets (4), inorganic blocking materials (6) are filled in adjacent gaps of the fireproof bags (5), clamping blocks (7) are fixed on the upper left corner and the lower right corner of the middle core block (1), glass fiber cloth (8) is arranged on the inner side of the organic blocking materials (3), fireproof sealing glue (9) is connected to the inner side of the glass fiber cloth (8), fireproof coating (10) is arranged on the inner side of the fireproof sealing glue (9), cables (15) are arranged inside the fireproof coating (10), fireproof blocking plates (11) are arranged on the front side and the rear side of the fireproof bags (5), and the outer side of the fireproof blocking plate (11) is provided with a fireproof partition plate (12), four corners of the outer edge of the fireproof partition plate (12) are connected with expansion bolts (13), and the outer side of the fireproof partition plate (12) is provided with a wall body (14).

2. A fire-resistant sealing structure for electric cables according to claim 1, characterized in that: the number of the middle core blocks (1) is 3, and the adjacent middle core blocks (1) are connected in a clamping manner.

3. A fire-resistant sealing structure for electric cables according to claim 1, characterized in that: the clamping groove is formed in the upper right corner of the side block (2), the clamping block (7) is matched with the clamping groove in size, and the side block (2) forms a clamping structure with the middle core block (1) through the clamping groove and the clamping block (7).

4. A fire-resistant sealing structure for electric cables according to claim 1, characterized in that: an enclosing structure is formed between the fireproof coating (10) and the cable (15), the thickness of the fireproof coating (10) is not less than 1mm, and the distance between the fireproof coating (10) and the fireproof partition plate (12) is not less than 1000 mm.

5. A fire-resistant sealing structure for electric cables according to claim 1, characterized in that: the fireproof plugging plate (11) is connected with the fireproof partition plate (12) in an adhesive mode through fireproof sealant (9), and the fireproof partition plate (12) is connected with the wall body (14) through expansion bolts (13) in a threaded mode.

6. A fire-resistant sealing structure for electric cables according to claim 1, characterized in that: the material of fire prevention shutoff board (11) is the rock wool board, and fire prevention shutoff board (11) and fire baffle (12) are symmetrical distribution around the horizontal center line about organic putty (3) to the distance between two sets of fire baffle (12) is not less than 240 mm.