CN211720156U - A separation fire resistive construction for cable shaft - Google Patents
A separation fire resistive construction for cable shaft Download PDFInfo
- Publication number
- CN211720156U CN211720156U CN202020820625.3U CN202020820625U CN211720156U CN 211720156 U CN211720156 U CN 211720156U CN 202020820625 U CN202020820625 U CN 202020820625U CN 211720156 U CN211720156 U CN 211720156U
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- Prior art keywords
- fire
- cable
- sealing
- main part
- splint
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- 238000010276 construction Methods 0.000 title claims abstract description 15
- 238000000926 separation method Methods 0.000 title claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 74
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 230000004888 barrier function Effects 0.000 claims description 17
- 230000002265 prevention Effects 0.000 claims description 9
- 238000005192 partition Methods 0.000 abstract description 11
- 239000003063 flame retardant Substances 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 229910000318 alkali metal phosphate Inorganic materials 0.000 description 1
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- IQYKECCCHDLEPX-UHFFFAOYSA-N chloro hypochlorite;magnesium Chemical compound [Mg].ClOCl IQYKECCCHDLEPX-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a separation fire resistive construction for cable shaft, the fire control technical field who relates to cable shaft, when having solved the conflagration breaing in the cable shaft, the problem that the cable shaft passageway is stretched is followed easily to the intensity of a fire, the cable shaft includes the main part, the cable clamp that is used for fixed cable is all installed to the both sides wall that the main part is relative, all scribble fire retardant coating between cable clamp and main part and the cable, install the fire partition board that is the rectangle in the main part, the spout has been seted up to one side of cable clamp, both sides and the cable clamp sliding connection of fire partition board, set up seal structure between fire partition board and the cable clamp, the one end and the sealed butt of main part of fire partition board, the opening that is used for supplying the fire partition board to slide in is offered to the main part, seal installation has a sealing door on the opening, the other end of fire partition board and. The utility model has the advantages that can be with the fire behavior control in the cable shaft in certain area.
Description
Technical Field
The utility model belongs to the technical field of the fire control technique of cable shaft and specifically relates to a separation fire resistive construction for cable shaft is related to.
Background
The cable shaft is widely applied to large electricity consumption of power plants, smelting, iron and steel plants, chemical industry and the like; the environment and the place where cables are passed and laid at one time are more.
The existing cable shaft, as described in the patent with publication number CN104426109A, includes a main body having four side walls fixedly connected together, flanges are provided at the bottom and top of the main body, and a plurality of main bodies are fixedly connected with each other by the flanges. One of the four sides of the main body is provided with an opening, the side walls at the two sides of the opening are provided with fastening bolts, the opening is correspondingly provided with a door body, and the door body is provided with screw holes corresponding to the bolts.
The defects of the technical scheme are as follows: when a plurality of main bodies are connected together, when a cable installed in the cable shaft generates heat in the using process to cause fire, the fire can rapidly spread along a channel formed by the cable shaft, so that the installation of the fireproof structure in the cable shaft is very important.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a not enough to prior art, the utility model aims at providing a separation fire resistive construction for cable shaft, the advantage can be with the intensity of a fire control in the cable shaft in certain area.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a separation fire resistive construction for cable shaft, cable shaft includes the main part, the cable clamp that is used for fixed cable is all installed to the relative both sides wall of main part, all be scribbled fire protection coating between cable clamp and main part and the cable, install the fire board that separates that is the rectangle in the main part, the spout has been seted up to one side of cable clamp, the both sides and the cable clamp sliding connection of fire board separate, separate and set up seal structure between fire board and the cable clamp, separate the one end and the sealed butt of main part of fire board, the opening that is used for supplying to separate the fire board and slide in is offered to the main part, seal mounting has the sealing door on the opening, separate the other end of fire board and the one end of two cable clamps all with the sealed butt in one side of the sealing door of main part.
Through adopting above-mentioned technical scheme, all scribble fire protection coating between cable clamp and main part and the cable, when separating the fire board and sliding into in the cable clamp, separate between fire board and the cable clamp through seal structure sealing connection together, and separate the other both sides of fire board respectively with main part and seal between the door sealing connection, thereby make two cable clamps with separate and form the structure that is used for blockking fire between fire board and the main part, when installing the cable in certain main part and scald when on fire, the intensity of a fire is pressed from both sides by the cable and is separated with separating the fire board, thereby the intensity of a fire can be controlled in certain area of cable shaft, can not stretch along the cable shaft.
The present invention may be further configured in a preferred embodiment as: the sealing structure is a first sealing strip for fire prevention, the first sealing strip is installed in the sliding groove, and a butting piece for driving the fire insulation plate and the first sealing strip to abut is installed on the cable clamp.
Through adopting above-mentioned technical scheme, when the fire baffle slided into the spout, one side and the first strip of paper used for sealing connection of fire baffle to messenger's fire baffle and cable clamp formation.
The present invention may be further configured in a preferred embodiment as: the sealing structure is a first sealing strip for fire prevention, the first sealing strip is installed in the sliding groove, and a butting piece for driving the fire insulation plate and the first sealing strip to abut is installed on the cable clamp.
By adopting the technical scheme, the first bolt is screwed up to press the fire partition plate, so that the fire partition plate is pressed against the first sealing strip, and the fire partition plate is tightly connected with the first sealing strip.
The present invention may be further configured in a preferred embodiment as: the both ends of fire baffle all are connected with the second strip of paper used for sealing up of being used for the fire prevention, and the second strip of paper used for sealing up respectively with the main part inside wall with seal one side butt of door.
Through adopting above-mentioned technical scheme, the fire baffle forms sealed butt through second strip of paper used for sealing and main part inside wall and sealing door.
The present invention may be further configured in a preferred embodiment as: the main part is with one side fixedly connected with backup pad of fire baffle butt, the both ends of backup pad respectively with one side fixed connection of two cable clamps, the backup pad is located the below of spout, the upper surface of backup pad is provided with the third strip of paper used for sealing that is used for the fire prevention, the lower surface and the third strip of paper used for sealing butt of fire baffle.
Through adopting above-mentioned technical scheme, the fire baffle passes through the third strip of paper used for sealing to strengthened the leakproofness between fire baffle and the main part inboard.
The present invention may be further configured in a preferred embodiment as: the sealing door is characterized in that fourth sealing strips are uniformly distributed on the periphery of one side, close to the main body, of the sealing door, the fourth sealing strips are abutted to the outer wall of the main body, threaded holes are distributed on the periphery of the main body, and second bolts are in threaded connection with the threaded holes and penetrate through the sealing door and are in threaded connection with the threaded holes.
Through adopting above-mentioned technical scheme, the sealing door forms sealing connection through fourth strip of paper used for sealing and main part, and when the sealing door formed fixed connection through second bolt and main part, the sealing door was close to one side of main part and has certain squeezing action to the second strip of paper used for sealing to improve the leakproofness between sealing door and the fire damper.
The present invention may be further configured in a preferred embodiment as: and a handle is arranged on the sealing door.
Through adopting above-mentioned technical scheme, through the handle, make things convenient for the handheld door that seals of people, it is more convenient when making to seal the door and installing in the main part.
The present invention may be further configured in a preferred embodiment as: the cable clamp comprises a first clamp plate and a second clamp plate, a plurality of arc grooves are formed in the first clamp plate and the second clamp plate, the first clamp plate is fixedly connected with the second clamp plate, through holes used for fixing cables are formed between the arc grooves of the first clamp plate and the second clamp plate, the first clamp plate is fixedly connected with the inner wall of the main body, and the sliding groove is located on one side, away from the first clamp plate, of the second clamp plate.
Through adopting above-mentioned technical scheme, earlier first splint and main part fixed connection, then install the cable in the arc groove of first splint in proper order, again with second splint and first splint fixed connection, make the cable can be installed in the main part neatly.
To sum up, the utility model discloses a following at least one beneficial effect:
1. sealing connection between cable clamp and the baffle when sealing door fixed mounting in the main part, makes the cable clamp with form sealing connection between fire baffle and the main part, when the intensity of a fire meets the cable clamp and when fire baffle, will be blockked to make the intensity of a fire be difficult for stretching along the cable shaft.
2. Through backup pad and third strip of paper used for sealing, can increase the leakproofness between fire damper and the main part.
Drawings
Fig. 1 is a schematic view of a state in which a plurality of bodies of the present embodiment are spliced and fixed together;
FIG. 2 is a schematic view showing the interior of the main body;
FIG. 3 is an overall vertical cross-sectional view of the present embodiment;
FIG. 4 is a schematic view illustrating the cooperation between the convex plug and the fire barrier;
fig. 5 is a schematic structural diagram of the cable clamp of the present embodiment.
Reference numerals: 1. a main body; 11. an opening; 2. a cable clamp; 21. a first seal; 22. a first splint; 221. positioning a groove; 23. a second splint; 231. positioning blocks; 24. an arc groove; 3. a fire barrier; 31. a second seal; 4. a chute; 6. a first bolt; 7. sealing the door; 71. a chock block; 72. a fourth seal; 73. a handle; 8. a support plate; 81. a third seal; 9. and a second bolt.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a separation fire resistive construction for cable shaft, cable shaft includes a plurality of main part 1, is in the same place through flange fixed connection between the main part 1.
Referring to fig. 2, cable clamps 2 for fixing cables are mounted on inner walls of two opposite sides of the main body 1, and two ends of the cable clamps 2 are respectively abutted to the inner walls of the main body 1. A fire-isolating plate 3 for isolating fire is connected between the two cable clamps 2, and the partition plate is of a rectangular structure. One side of the cable clamp 2 is provided with a sliding groove 4, and two sides of the fire baffle 3 are connected with the cable clamp 2 in a sliding manner.
Referring to fig. 3, a sealing structure is provided between the fire barrier 3 and the cable clamp 2, the sealing structure is a first seal 21 for fire prevention, and the first seal 21 is installed in the sliding groove 4. An abutting piece for driving the fire insulating plate 3 to abut against the first seal 21 is mounted on the cable clamp 2. The abutting piece is a first bolt 6, and the first bolt 6 penetrates through the upper part of the cable clamp 2 and is in threaded connection with the cable clamp 2. One end of the first bolt 6 extends into the chute 4 and abuts against one side of the fire barrier 3, which is opposite to the first seal 21.
Referring to fig. 2 and 4, the main body 1 is provided with an opening 11 for the fire barrier 3 to slide into the cable clamp 2, and the opening 11 is hermetically connected with the sealing door 7. The sealing door 7 comprises a plug 71 adapted to the opening 11, the plug 71 abutting against the cable clamp 2 and one end of the fire barrier 3 when the fire barrier 3 is slid into the cable clamp 2. The both ends of fire baffle 3 all are connected with the second strip of paper used for sealing off fire 31, and when closing door 7 and closing main part 1, second strip of paper used for sealing off 31 respectively with the inside wall of main part 1 and the inner wall butt of closing door 7. A handle 73 is mounted on the side of the door seal 7 facing away from the chock 71.
Referring to fig. 4, a supporting plate 8 is disposed on one side of the main body 1 abutting against the fire barrier 3, and two ends of the supporting plate 8 are respectively fixedly connected to the opposite sides of the two cable clamps 2. The supporting plate 8 is located below the sliding groove 4, the upper surface of the supporting plate 8 is provided with a third sealing strip 81 for fire prevention, and the lower surface of the fire partition plate 3 is abutted to the second sealing strip 31.
The periphery of one side wall of the sealing door 7 close to the main body 1 is uniformly provided with a fourth sealing strip 72, and the fourth sealing strip 72 is abutted against the outer wall of the main body 1. Threaded holes are uniformly distributed in the periphery of the outer wall of the main body 1, and second bolts 9 are connected to the threaded holes in a threaded mode. The second bolt 9 runs through the sealing door 7 and is in threaded connection with the threaded hole, and the sealing door 7 is fixedly connected with the main body 1 through the second bolt 9.
Referring to fig. 2 and 5, the cable clamp 2 includes a first clamping plate 22 and a second clamping plate 23, and the first clamping plate 22 and the second clamping plate 23 are fixedly spliced together. The locating slot 221 has been seted up to one side of first splint 22, installs the locating piece 231 with the locating slot 221 grafting on the second splint 23, through locating piece 231 and locating slot 221, conveniently splices first splint 22 and second splint 23 together, then with first splint 22 and second splint 23 fixed bonding together. A lateral wall of the first clamping plate 22 is fixedly connected with the inner lateral wall of the main body 1, and the sliding groove 4 is positioned on one side of the second clamping plate 23 far away from the first clamping plate 22.
Referring to fig. 2 and 5, the first clamping plate 22 and the second clamping plate 23 are respectively provided with a plurality of arc grooves 24, and when the first clamping plate 22 and the second clamping plate 23 are fixedly installed together, the arc grooves 24 of the first clamping plate 22 and the second clamping plate 23 are spliced into a circular hole structure for allowing a cable to pass through.
When the cable is installed on the cable clamp 2, fireproof paint is coated between the cable and the cable clamp 2. The junction of the cable clamp 2 and the main body 1 is also coated with a fire retardant coating. The fire-retardant coating is composed of Portland cement, magnesium oxychloride cement and inorganic adhesive, and the common inorganic adhesive comprises alkali metal silicate, phosphate and the like.
The first seal 21, the second seal 31, the third seal 81 and the fourth seal 72 with the fireproof function can adopt ethylene propylene diene monomer sealing rubber strips.
The installation process of this embodiment is:
the first clamping plate 22 is fixedly arranged in the main body 1, a plurality of cables are respectively arranged in the arc grooves 24, then the second clamping plate 23 is fixedly connected with the first clamping plate 22, and fireproof paint is coated at the connecting part between the first clamping plate 22 and the second clamping plate 23. The fire barrier 3 is then slid into the two chutes 4, and the second seal 31 is brought into contact with the inner wall of the main body 1. The first bolt 6 is screwed in, the first bolt 6 presses the fire insulation plate 3, so that the fire insulation plate 3 presses the first sealing strip 21 and the third sealing strip 81, and the fire insulation plate 3 is connected with the cable clamp 2 and one side wall of the main body 1 in a sealing mode. The door 7 is then fixedly mounted on the body 1 so that the second seal 31 of the fire barrier 3 abuts against the plug 71 and the fourth seal 72 of the door 7 abuts against the body 1. Thus, the fire-isolating plate 3 and the two cable clamps 2 form a structure for isolating fire in the main body 1, and when the cable in the main body 1 generates heat and fires, the fire can be controlled in the specific main body 1.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a separation fire resistive construction for cable shaft, cable shaft includes main part (1), cable clamp (2) that are used for fixed cable are all installed to main part (1) relative both sides wall, its characterized in that: all scribble fire protection coating between cable clamp (2) and main part (1) and the cable, install in main part (1) and be the rectangle fire damper (3), spout (4) have been seted up to one side of cable clamp (2), the both sides and cable clamp (2) sliding connection of fire damper (3), set up seal structure between fire damper (3) and cable clamp (2), the one end and the sealed butt of main part (1) that separate fire damper (3), opening (11) that are used for supplying to separate fire damper (3) and slide in are offered in main part (1), sealed mounting has sealing door (7) on opening (11), the other end that separates fire damper (3) and the one end of two cable clamps (2) all with the sealed butt in one side of sealing door (7) of main part (1).
2. A barrier fire protection construction for a cable shaft according to claim 1, characterised in that: seal structure is for being used for the first strip of paper used for sealing (21) of fire prevention, install in spout (4) first strip of paper used for sealing (21), install on cable clamp (2) and be used for driving the piece of propping that separates fire board (3) and first strip of paper used for sealing (21) butt.
3. A barrier fire protection construction for cable shafts according to claim 2, characterized in that: the piece of keeping silent is first bolt (6), first bolt (6) run through cable clamp (2) and with cable clamp (2) threaded connection, the one end of first bolt (6) and fire baffle (3) one side butt of first strip of paper used for sealing (21) dorsad.
4. A barrier fire protection construction for a cable shaft according to claim 1, characterised in that: the both ends of fire baffle (3) all are connected with second strip of paper used for sealing (31) that are used for the fire prevention, and second strip of paper used for sealing (31) respectively with main part (1) inside wall and the one side butt of sealing door (7).
5. A barrier fire protection construction for cable shafts according to claim 4, characterized in that: main part (1) and one side fixedly connected with backup pad (8) of fire baffle (3) butt, the both ends of backup pad (8) respectively with one side fixed connection of two cable clamps (2), backup pad (8) are located the below of spout (4), the upper surface of backup pad (8) is provided with third strip of paper used for sealing (81) that are used for the fire prevention, the lower surface and the third strip of paper used for sealing (81) butt of fire baffle (3).
6. A barrier fire protection construction for a cable shaft according to claim 5, characterized in that: one side of the sealing door (7) close to the main body (1) is uniformly provided with fourth sealing strips (72) all around, the fourth sealing strips (72) are abutted to the outer wall of the main body (1), threaded holes are distributed in the periphery of the main body (1), the threaded holes are in threaded connection with second bolts (9), and the second bolts (9) penetrate through the sealing door (7) and are in threaded connection with the threaded holes.
7. A barrier fire protection construction for a cable shaft according to claim 6, characterized in that: and a handle (73) is arranged on the sealing door (7).
8. A barrier fire protection construction for a cable shaft according to claim 1, characterised in that: cable clamp (2) include first splint (22) and second splint (23), a plurality of arc groove (24) have all been seted up to first splint (22) and second splint (23), first splint (22) and second splint (23) fixed connection, form the through-hole that is used for fixed cable between arc groove (24) of first splint (22) and second splint (23), first splint (22) and main part (1) inner wall fixed connection, spout (4) are located one side that first splint (22) were kept away from in second splint (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020820625.3U CN211720156U (en) | 2020-05-16 | 2020-05-16 | A separation fire resistive construction for cable shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020820625.3U CN211720156U (en) | 2020-05-16 | 2020-05-16 | A separation fire resistive construction for cable shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211720156U true CN211720156U (en) | 2020-10-20 |
Family
ID=72836480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020820625.3U Expired - Fee Related CN211720156U (en) | 2020-05-16 | 2020-05-16 | A separation fire resistive construction for cable shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211720156U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113937711A (en) * | 2021-10-21 | 2022-01-14 | 安徽精工电缆桥架有限公司 | Well cable laying uses cable shaft |
-
2020
- 2020-05-16 CN CN202020820625.3U patent/CN211720156U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113937711A (en) * | 2021-10-21 | 2022-01-14 | 安徽精工电缆桥架有限公司 | Well cable laying uses cable shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201020 |