CN220099651U - Fireproof structure of bridge main cable clamp - Google Patents
Fireproof structure of bridge main cable clamp Download PDFInfo
- Publication number
- CN220099651U CN220099651U CN202321484983.1U CN202321484983U CN220099651U CN 220099651 U CN220099651 U CN 220099651U CN 202321484983 U CN202321484983 U CN 202321484983U CN 220099651 U CN220099651 U CN 220099651U
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- fireproof
- cable clamp
- cable
- clamp
- main body
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- 239000004964 aerogel Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000004593 Epoxy Substances 0.000 claims abstract description 10
- 239000012774 insulation material Substances 0.000 claims abstract description 8
- 239000003973 paint Substances 0.000 claims abstract description 8
- 239000000565 sealant Substances 0.000 claims description 4
- 230000002265 prevention Effects 0.000 abstract description 20
- 238000007789 sealing Methods 0.000 abstract description 10
- 239000011248 coating agent Substances 0.000 abstract description 7
- 238000000576 coating method Methods 0.000 abstract description 7
- 238000009413 insulation Methods 0.000 abstract description 7
- 239000000945 filler Substances 0.000 abstract description 6
- 239000003063 flame retardant Substances 0.000 abstract description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 4
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 4
- 239000010935 stainless steel Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 239000011810 insulating material Substances 0.000 description 5
- 206010000369 Accident Diseases 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model discloses a fireproof structure of a cable clamp of a bridge main cable, wherein a cable clamp main body is sleeved on the main cable, the cable clamp main body is fixedly connected with the main cable through a bolt, a detachable fireproof cover is arranged on the bolt, and aerogel heat insulation materials are filled in the detachable fireproof cover; the detachable fireproof cover is made of stainless steel, the aerogel heat insulation material is filled in the detachable fireproof cover, the heat conductivity coefficient of the aerogel heat insulation material is low, the detachable fireproof cover is used as a fireproof separation material, heat insulation protection is provided, fire spreading is effectively prevented, the aim of fire prevention is achieved, the epoxy fireproof paint has a fire-expansion fireproof heat insulation function, excellent sealing performance is achieved, flame retardant components cannot migrate to a coating surface, therefore, the fireproof performance is less influenced by time and environment, the fireproof strength is improved, expansion fireproof fillers are filled in straight slits and circular slits of a cable clamp main body, and the expansion fireproof fillers have good elasticity and sealing performance and expand when meeting fire.
Description
Technical Field
The utility model relates to the technical field of bridge cable fire prevention, in particular to a fire prevention structure of a bridge main cable clamp.
Background
Bridge cables are key structural components of bridges, and reliability, durability and adaptability of the bridge cables are related to safety and normal use of bridge structures. As the amount of vehicles kept and the traffic volume increase year by year, a cable system bridge fire accident caused by traffic accidents occurs.
The cable is used as an important stress member of the bridge of the cable supporting system, and has relatively good mechanical property and weather resistance, but the high-strength steel wire, the polyester fiber belt, the PE sheath, the anti-corrosion coating and the like in the composition materials are poor in fireproof and fireproof properties, so that when a fire accident occurs on a bridge deck, particularly a fire accident of an oil tank truck, the PE sheath is extremely easy to burn, the temperature of the steel wire is continuously increased, the anti-corrosion layer falls off, the performance of the steel wire is degraded and other fire damage diseases cause serious threat to the safe operation of the bridge. The main cable clamp is more important in fire prevention, the position of the main cable clamp is close to the bridge deck, and the positions of the straight slits and the circular slits are more easily damaged by flame and high temperature, so that the main cable clamp is mainly protected.
Disclosure of Invention
The utility model aims to provide a fireproof structure of a main cable clamp of a bridge, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bridge main cable clamp fireproof structure, includes main cable and cable clamp main part, cable clamp main part cover is established on the main cable, through bolt fixed connection between cable clamp main part and the main cable, be provided with on the bolt and dismantle the fire prevention cover, the inside packing that can dismantle the fire prevention cover has aerogel heat insulating material.
Wherein, the surface of cable clamp main part is provided with epoxy fireproof paint.
Wherein, the straight seam and the circular seam position of the cable clamp main body are filled with expansion type fireproof filling materials.
Wherein, both ends of cable clamp main part all are provided with fire prevention sealant.
The cable clamp body comprises an upper half cable clamp and a lower half cable clamp.
The upper half cable clamp is provided with a groove, and the lower half cable clamp is provided with cog teeth.
The cog of the lower half rope clamp is embedded into the groove of the upper half rope clamp, and the upper half rope clamp and the lower half rope clamp are fixed through bolts.
The cable clamp comprises a cable clamp body and is characterized in that the cable clamp body comprises an ear plate, and a pin hole is formed in the ear plate.
Compared with the prior art, the utility model has the beneficial effects that:
1. the detachable fireproof cover is made of stainless steel, aerogel heat insulation materials are filled in the detachable fireproof cover, the aerogel heat insulation materials are low in heat conductivity coefficient, and the detachable fireproof cover is used as a fireproof separation material, provides heat insulation protection, and effectively prevents fire from spreading, so that the aim of preventing fire is fulfilled.
2. The epoxy fireproof coating has the functions of fire expansion, fireproof and heat insulation, has excellent sealing performance, and prevents the flame retardant components from migrating to the coating surface, so that the fireproof performance is less influenced by time and environment, and the fireproof strength is improved.
3. The positions of the straight slits and the circular slits of the rope clip main body are filled with the expansion type fireproof filling material, and the expansion type fireproof filling material has good elasticity and sealing property and expands when meeting fire, so that the fireproof effect is realized.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged view of a portion of the area A of FIG. 1;
FIG. 3 is a schematic structural view of an epoxy-based fire retardant coating of the present utility model;
fig. 4 is a partial enlarged view of the region B in fig. 1.
In the figure: 1. a main cable; 2. a cable clip body; 3. a bolt; 4. a detachable fireproof cover; 5. aerogel insulation; 6. epoxy-based fireproof paint; 7. an upper half cable clamp; 8. a lower half cable clamp; 9. an intumescent fire protection filler; 10. fireproof sealant; 11. ear plates; 12. pin holes.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a bridge main cable clamp fireproof structure, cable clamp main part 2 cover is established on main cable 1, pass through bolt 3 fixed connection between cable clamp main part 2 and the main cable 1, be provided with on the bolt 3 and dismantle fire prevention cover 4, the inside packing of dismantling fire prevention cover 4 has aerogel heat insulating material 5, the dismantled fire prevention cover 4 on the bolt 3 is detachable structure, and can dismantle fire prevention cover 4 is stainless steel, inside packing aerogel heat insulating material 5, aerogel heat insulating material 5 coefficient of heat conductivity is low, use as fire prevention separation material, provide thermal-insulated protection, effectively prevent the fire to spread, thereby reach the purpose of fire prevention.
The surface of the cable clamp main body 2 is provided with the epoxy fireproof paint 6, the epoxy expansion fireproof paint has good adhesive force, compact and firm expansion layer and excellent sealing performance, and the flame retardant component cannot migrate to the coating surface, so that the fireproof performance is less influenced by time and environment.
Wherein, the epoxy fireproof paint 6 has the fireproof and heat-insulating function of expanding when meeting fire.
Wherein, the straight seam and the circumferential seam position of cable clamp main part 2 all are filled with inflation formula fire prevention filler 9, and cable clamp main part 2 suit is on main rope 1, forms the circumferential seam between the both ends of cable clamp main part 2 and main rope 1, and upper half cable clamp 7 forms the straight seam with the 8 butt joint departments of lower half cable clamp, and inflation formula fire prevention filler 9 has good elasticity and leakproofness, and straight seam and circumferential seam position all are filled with inflation formula fire prevention filler 9 and are used for fire prevention and seal.
Wherein, the expansion type fireproof filling material 9 expands when meeting fire, thereby realizing fireproof.
Wherein, both ends of cable clamp main part 2 all are provided with fire prevention sealant 10, have both fire prevention effect and sealed effect, can expand in the conflagration and prevent fires.
Wherein the cable clamp body 2 comprises an upper half cable clamp 7 and a lower half cable clamp 8.
Wherein, the upper half cable clamp 7 is provided with a groove, and the lower half cable clamp 8 is provided with cog teeth.
Wherein, the cog of the lower half rope clamp 8 is embedded into the groove of the upper half rope clamp 7, and the upper half rope clamp 7 and the lower half rope clamp 8 are fixed by the bolt 3.
The upper half cable clamp 7 and the lower half cable clamp 8 are respectively fixed at the upper end and the lower end of the main cable 1, and the upper half cable clamp 7 and the lower half cable clamp 8 are structurally installed and connected by using a plurality of groups of bolts 3 to jointly form a cable clamp main body 2, so that the cable clamp main body 2 is fastened on the main cable 1.
The cable clamp body 2 comprises an ear plate 11, a pin hole 12 is formed in the ear plate 11, and a sling of the flexible cable is connected with the main cable 1 through the cable clamp body 2.
Working principle: when in use, the upper half rope clamp 7 and the lower half rope clamp 8 are respectively fixed at the upper end and the lower end of the main cable 1, and a plurality of groups of bolts 3 are used for structurally mounting and connecting the upper half rope clamp 7 and the lower half rope clamp 8 to jointly form the rope clamp main body 2, the rope clamp main body 2 is fastened on the main cable 1, the detachable fireproof cover 4 on the bolts 3 is of a detachable structure, the detachable fireproof cover 4 is made of stainless steel, the aerogel heat insulation material 5 is filled in the inner part, the heat conductivity coefficient of the aerogel heat insulation material 5 is low, the insulating material is used as a fireproof separation material, heat insulation protection is provided, fire spread is effectively prevented, so that the aim of fire prevention is achieved, the epoxy fireproof paint 6 on the surface of the rope clamp main body 2 has the fireproof heat insulation function of fire expansion, the adhesive force is good, the expansion layer is compact and firm, the sealing performance is excellent, flame retardant components cannot migrate to the coating surface, so that the fireproof performance is less influenced by time and environment, the expansion type fireproof filling material 9 is filled in the straight seam and the circular seam of the cable clamp main body 2, the expansion type fireproof filling material 9 has good elasticity and sealing performance, the expansion type fireproof filling material 9 is filled in the straight seam and the circular seam for fireproof and sealing, the expansion type fireproof filling material 9 expands when encountering fire, the fireproof effect is achieved, and the fireproof sealing glue 10 has the fireproof effect and the sealing effect and can expand for fireproof in fire.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A fire-proof structure of a bridge main cable clamp is characterized in that: the cable clamp is characterized in that the cable clamp main body (2) is sleeved on the main cable (1), the cable clamp main body (2) is fixedly connected with the main cable (1) through bolts (3), detachable fireproof covers (4) are arranged on the bolts (3), and aerogel heat insulation materials (5) are filled in the detachable fireproof covers (4).
2. The bridge main cable clamp fire protection structure according to claim 1, wherein: the surface of the cable clamp main body (2) is provided with epoxy fireproof paint (6).
3. The bridge main cable clamp fire protection structure according to claim 1, wherein: the positions of the straight slits and the circular slits of the rope clip main body (2) are filled with expansion type fireproof filling materials (9).
4. The bridge main cable clamp fire protection structure according to claim 1, wherein: both ends of the rope clip main body (2) are provided with fireproof sealant (10).
5. The bridge main cable clamp fire protection structure according to claim 1, wherein: the cable clamp main body (2) comprises an upper half cable clamp (7) and a lower half cable clamp (8).
6. The bridge main cable clamp fire protection structure according to claim 5, wherein: the upper half cable clamp (7) is provided with a groove, and the lower half cable clamp (8) is provided with cog teeth.
7. The bridge main cable clamp fire protection structure of claim 6, wherein: the cog of the lower half rope clamp (8) is embedded into the groove of the upper half rope clamp (7), and the upper half rope clamp (7) and the lower half rope clamp (8) are fixed through the bolts (3).
8. The bridge main cable clamp fire protection structure according to claim 1, wherein: the cable clamp main body (2) comprises an ear plate (11), and a pin hole (12) is formed in the ear plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321484983.1U CN220099651U (en) | 2023-06-09 | 2023-06-09 | Fireproof structure of bridge main cable clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321484983.1U CN220099651U (en) | 2023-06-09 | 2023-06-09 | Fireproof structure of bridge main cable clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220099651U true CN220099651U (en) | 2023-11-28 |
Family
ID=88843184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321484983.1U Active CN220099651U (en) | 2023-06-09 | 2023-06-09 | Fireproof structure of bridge main cable clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220099651U (en) |
-
2023
- 2023-06-09 CN CN202321484983.1U patent/CN220099651U/en active Active
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