CN211312163U - Fireproof and explosion-proof inhaul cable - Google Patents
Fireproof and explosion-proof inhaul cable Download PDFInfo
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- CN211312163U CN211312163U CN201921271657.6U CN201921271657U CN211312163U CN 211312163 U CN211312163 U CN 211312163U CN 201921271657 U CN201921271657 U CN 201921271657U CN 211312163 U CN211312163 U CN 211312163U
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Abstract
The utility model discloses a fireproof and explosion-proof inhaul cable, which comprises a cable body, a first fireproof layer, a second fireproof layer, a steel pipe, a waterproof cover and an explosion-proof pipe; two ends of the waterproof cover are respectively connected with the steel pipe and one end of the explosion-proof pipe, and the other end of the explosion-proof pipe is connected with the bridge; the cable body sequentially passes through the explosion-proof pipe and the waterproof cover and extends into the steel pipe; the first fireproof layer positioned above the waterproof cover is arranged between the cable body and the steel pipe; the second fireproof layer positioned below the waterproof cover is arranged on the surface of the cable body. The utility model discloses a fireproof and explosion-proof inhaul cable, which provides fireproof and explosion-proof functions for the inhaul cable on the basis of not changing the original functions of the inhaul cable, and the protective layer and the inhaul cable are mutually separated, and meanwhile, the fireproof layer and the explosion-proof layer are mutually separated, thereby being convenient for replacement and maintenance; the cable can be used for the construction of new or old bridge cables and can also be used for long-distance cable-stayed bridge cables.
Description
Technical Field
The utility model relates to a cable especially relates to a fire prevention and explosion-proof cable.
Background
At present, most bridge accidents occur in the damage of a guy cable caused by fire or explosion, for example, a tiger door bridge, an oil tank truck is collided by a flat car, and then explosion and fire accidents occur; the explosion and fire accident can occur when a firecracker truck on a bridge of Changjiang river in Wu lake in Anhui is impacted. In terrorist explosion accidents, fire accidents happen at the same time, and the stay cable has no corresponding technical means for protecting the fire and explosion at the same time.
For example, chinese patent CN207259963U discloses a fireproof cable, which includes a cable, an inner lining pipe, a fireproof layer and an outer lining pipe, wherein the fireproof layer is disposed between the inner lining pipe and the outer lining pipe; the fireproof layer is one of filling type fireproof materials, binding fireproof fillers or fireproof coatings, and the inhaul cable only has a fireproof function. Chinese patent CN208395669U discloses a novel explosion impact resistant cable, which comprises a cable and a supporting tube nested with the cable, wherein the inner wall and the outer wall of the supporting tube are provided with an explosion protection layer, the supporting tube can be nested with an outer protecting tube, and the cable only has an explosion protection function. Therefore, the guy cable in the prior art only has one of fireproof or explosion-proof functions, and the fireproof or explosion-proof structure can only be used on a guy cable of a new bridge, and the fireproof or explosion-proof function cannot be directly added on a conventional guy cable of an old bridge.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a fire prevention and explosion-proof cable aims at solving current cable and only possesses the function in fire prevention or the explosion-proof, can not directly add fire prevention or explosion-proof function scheduling problem on the conventional cable of old bridge.
The utility model discloses take following technical scheme to realize above-mentioned purpose:
a fireproof and explosion-proof inhaul cable comprises a cable body, a first fireproof layer, a second fireproof layer, a steel pipe, a waterproof cover and an explosion-proof pipe; two ends of the waterproof cover are respectively connected with the steel pipe and one end of the explosion-proof pipe, and the other end of the explosion-proof pipe is connected with the bridge; the cable body sequentially passes through the explosion-proof pipe and the waterproof cover and extends into the steel pipe; the first fireproof layer positioned above the waterproof cover is arranged between the cable body and the steel pipe; the second fireproof layer positioned below the waterproof cover is arranged on the surface of the cable body. The fireproof and explosion-proof structure of the technical scheme can provide fireproof and explosion-proof functions for the stay cable on the basis of not changing the original functions of the stay cable, the protective layer and the stay cable are separated from each other, and the fireproof layer and the explosion-proof pipe are also separated from each other, so that the replacement and the maintenance are convenient; the cable can be used for improving the old bridge cable, the second fireproof layer and the explosion-proof pipe are added between the original waterproof cover and the bridge, the first fireproof layer is added between the cable body and the steel pipe, the stress of the cable body is not influenced in the construction process, and the cable can be used for reconstructing the old bridge; the materials used by the first fireproof layer and the second fireproof layer have fireproof and heat insulation performance; the material used by the explosion-proof tube has high strength or buffering energy absorption performance, and can resist impact, explosion and other damages.
The further technical scheme is that the first fireproof layer is positioned on the surface of the cable body.
The further technical scheme is that the stay cable further comprises an HDPE sheath, and the HDPE sheath is located between the steel pipe and the cable body and connected with the waterproof cover; the first fire-resistant layer is positioned on the surface of the HDPE sheath.
The further technical scheme is that the inhaul cable further comprises a shock absorber, wherein the shock absorber is located inside the waterproof cover, connected with the explosion-proof pipe and sleeved outside the second fireproof layer. The fireproof and explosion-proof cable in the scheme can be used for a long-distance cable-stayed bridge cable with a vibration damper.
The shock absorber is connected with the explosion-proof tube through a support and a bolt, and two ends of the support are respectively connected with the shock absorber and the explosion-proof tube through bolts.
The bridge comprises a pre-buried pipe, and an explosion-proof pipe is connected with the bridge through the pre-buried pipe; the pre-buried pipe is buried inside the bridge and is fixedly connected with the bridge, and the explosion-proof pipe is connected with the pre-buried pipe.
The bridge comprises a pre-buried pipe and a concrete block for fixing the pre-buried pipe, and the anti-explosion pipe is connected with the bridge through the concrete block; the concrete block is fixedly connected with the bridge, and the explosion-proof pipe is connected with the concrete block.
The further technical scheme is that the explosion-proof pipe is connected with the bridge in one of welding, riveting, threaded connection and nesting.
The further technical scheme is that the steel pipe is connected with the waterproof cover in one mode of welding, riveting, threaded connection and nesting.
The further technical scheme is that the cable body is one of a steel strand cable body or a steel wire cable body.
The utility model has the advantages that:
the utility model provides a fireproof and explosion-proof inhaul cable, which provides fireproof and explosion-proof functions for the inhaul cable on the basis of not changing the original functions of the inhaul cable, and the protective layer and the inhaul cable are mutually separated, and meanwhile, the first fireproof layer, the second fireproof layer and the explosion-proof pipe are mutually separated, thereby being convenient for replacement and maintenance; the cable can be used for the construction of new or old bridge cables and can also be used for long-distance cable-stayed bridge cables.
Drawings
FIG. 1 is a diagram: first flame retardant coating is located the fire prevention on cable body surface and explosion-proof cable's schematic structure diagram.
FIG. 2 is a diagram of: explosion-proof pipe and pre-buried union coupling's fire prevention and explosion-proof cable's schematic structure diagram.
FIG. 3 is a diagram of: first flame retardant coating is located the fire prevention on sheath surface and explosion-proof cable's schematic structure diagram.
FIG. 4 is a diagram of: first flame retardant coating is located the cable body surface, has the fire prevention of shock absorber and explosion-proof cable's schematic structure diagram.
FIG. 5 is a diagram: first flame retardant coating is located sheath surface, has the fire prevention and the explosion-proof cable's of shock absorber structural schematic diagram.
In the figure:
1. a cable body; 2. a HDPE jacket; 31. a first fire resistant layer; 32. a second fire-resistant layer; 4. a steel pipe; 5. a waterproof cover; 51. an ear plate; 52. a support; 6. a shock absorber; 7. an explosion-proof tube; 8. pre-burying a pipe; 9. a concrete block; 10. a bridge.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 5 and the embodiments, and features in the following embodiments and examples may be combined with each other without conflict.
As shown in fig. 1, the present embodiment provides a fire and explosion protection cable, which includes a cable body 1 made of steel stranded wires, a first fire protection layer 31, a second fire protection layer 32, a steel pipe 4, a waterproof cover 5, and an explosion protection pipe 7; the bridge 10 is provided with a pre-buried pipe 8 and a concrete block 9 for fixing the pre-buried pipe 8; the upper end of the waterproof cover 5 is connected with the steel pipe 4 in a nesting mode, and the lower end of the waterproof cover is connected with one end of the explosion-proof pipe 7 in a welding mode; the other end of the explosion-proof pipe 7 is connected with a concrete block 9 through a bolt; one end of the cable body 1 is anchored in an anchorage device at one end of the bridge 10, and the other end of the cable body is anchored on a bridge tower of the cable-stayed bridge; the cable body 1 penetrates out of the bridge 10, sequentially penetrates through the explosion-proof pipe 7 and the waterproof cover 5 and extends into the steel pipe 4; the first fireproof layer 31 is positioned at the part above the waterproof cover 5, the second fireproof layer 32 is positioned at the part below the waterproof cover 5, and the first fireproof layer 31 and the second fireproof layer 32 are both arranged on the surface of the cable body 1. The specific height of the steel pipe 4 can be set according to the requirement of the bridge, and is not limited herein. The fire prevention and explosion-proof structure in this embodiment can provide the fire prevention explosion-proof function simultaneously for the cable on the basis that does not change the original function of cable, and inoxidizing coating (first flame retardant coating, second flame retardant coating and explosion-proof pipe) and cable part from each other, and first flame retardant coating 31, second flame retardant coating 32 and explosion-proof pipe 7 also part from each other simultaneously, are convenient for change and maintain, can be used to the improvement of old bridge cable.
The connection relationship between the waterproof cover 5 and the steel pipe 4 is exemplarily shown in the above embodiments, and the connection relationship may be replaced by welding, riveting, screwing, or the like according to other embodiments or practical applications. The connection relationship between the waterproof cover 5 and the explosion-proof pipe 7 is exemplarily shown in the above embodiments, and the connection relationship may be replaced by means of riveting, screwing, nesting and the like according to other embodiments or practical applications. The cable body 1 is exemplarily shown to be made of steel stranded wires in the above embodiments, and the fire-proof and explosion-proof structure of the above embodiments can also be applied to the cable body 1 made of steel wires according to other embodiments or practical applications.
The explosion-proof pipe 7 and the bridge 10 in the above embodiment are connected through a concrete block 9, according to other embodiments or practical applications, as shown in fig. 2, the explosion-proof pipe 7 may also be connected with the bridge 10 through a pre-buried pipe 8, and the connection modes include, but are not limited to, welding, riveting, screwing, nesting and the like; while the above embodiments describe the manner in which the explosion-proof pipe 7 is indirectly connected to the bridge 10, according to other embodiments or practical applications, the explosion-proof pipe 7 may also be directly connected to the bridge 10, and the connection manner includes, but is not limited to, welding, riveting, screwing, nesting, and the like.
In another embodiment, as shown in fig. 3, on the basis of the above embodiment, the cable further includes a HDPE sheath 2 (sheath made of high density polyethylene material), the HDPE sheath 2 is located between the steel pipe 4 and the cable body 1, and is connected with the waterproof cover 5; the first flame retardant layer 31 is located on the surface of the HDPE sheath 2.
In another embodiment, as shown in fig. 4 and 5, on the basis of the above embodiment, the cable further includes a damper 6 and a support 52, the damper 6 is located inside the waterproof cover 5 and is sleeved outside the second fireproof layer 32, and two ends of the support 52 are respectively connected with the damper 6 and the explosion-proof pipe 7 through bolts. The fireproof and explosion-proof cable in the scheme can be used for a long-distance cable-stayed bridge cable with a shock absorber 6.
The above embodiments exemplarily show the connection manner of the shock absorber 6 and the explosion proof tube 7, and according to other embodiments or practical applications, the explosion proof tube 7 can also be directly connected with the shock absorber 6 by welding, riveting, screwing, nesting and the like.
The utility model provides a fireproof and explosion-proof inhaul cable, which provides fireproof and explosion-proof functions for the inhaul cable on the basis of not changing the original functions of the inhaul cable, and the protective layer and the inhaul cable are mutually separated, and the first fireproof layer 31, the second fireproof layer 32 and the explosion-proof pipe 7 are also mutually separated, thereby being convenient for replacement and maintenance; the cable can be used for the construction of new or old bridge cables and can also be used for long-distance cable-stayed bridge cables.
Claims (10)
1. A fireproof and explosion-proof inhaul cable is characterized by comprising a cable body (1), a first fireproof layer (31), a second fireproof layer (32), a steel pipe (4), a waterproof cover (5) and an explosion-proof pipe (7);
two ends of the waterproof cover (5) are respectively connected with the steel pipe (4) and one end of the explosion-proof pipe (7), and the other end of the explosion-proof pipe (7) is connected with the bridge (10); the cable body (1) sequentially penetrates through the explosion-proof pipe (7) and the waterproof cover (5) and extends into the steel pipe (4);
the first fireproof layer (31) positioned above the waterproof cover (5) is arranged between the cable body (1) and the steel pipe (4); the second fireproof layer (32) positioned on the waterproof cover (5) and below the waterproof cover is arranged on the surface of the cable body (1).
2. A fire and explosion protection cable according to claim 1, characterized in that the first fire resistant layer (31) is located on the surface of the cable body (1).
3. A fire and explosion protection cable as claimed in claim 1, characterized in that it further comprises a HDPE sheath (2), said HDPE sheath (2) is located between the steel pipe (4) and the cable body (1) and is connected with a waterproof cover (5); the first fireproof layer (31) is positioned on the surface of the HDPE jacket (2).
4. A fire and explosion protection cable according to claim 1, further comprising a damper (6), wherein the damper (6) is located inside the waterproof case (5), connected to the explosion protection pipe (7), and sleeved outside the second fireproof layer (32).
5. A fire and explosion protection inhaul cable according to claim 4, wherein the shock absorber (6) and the explosion protection pipe (7) are connected through a support and a bolt, and two ends of the support are respectively connected with the shock absorber (6) and the explosion protection pipe (7) through a bolt.
6. A fire and explosion protection cable according to claim 1, characterized in that the bridge (10) comprises a pre-buried pipe (8), and the explosion protection pipe (7) is connected with the bridge (10) through the pre-buried pipe (8).
7. A fire and explosion protection cable according to claim 1, characterized in that the bridge (10) comprises a pre-buried pipe (8) and a concrete block (9) fixing the pre-buried pipe (8), and the explosion protection pipe (7) is connected with the bridge (10) through the concrete block (9).
8. A fire and explosion protection cable according to claim 1, wherein the explosion protection tube (7) is connected with the bridge (10) by one of welding, riveting, screwing and nesting.
9. A fire and explosion protection cable according to claim 1, wherein the steel pipe (4) is connected with the waterproof cover (5) by one of welding, riveting, screwing and nesting.
10. A fire and explosion protection stay according to claim 1, characterized in that the cable body (1) is one of a steel strand cable body or a steel wire cable body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921271657.6U CN211312163U (en) | 2019-08-07 | 2019-08-07 | Fireproof and explosion-proof inhaul cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921271657.6U CN211312163U (en) | 2019-08-07 | 2019-08-07 | Fireproof and explosion-proof inhaul cable |
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| Publication Number | Publication Date |
|---|---|
| CN211312163U true CN211312163U (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921271657.6U Active CN211312163U (en) | 2019-08-07 | 2019-08-07 | Fireproof and explosion-proof inhaul cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944157A (en) * | 2019-03-18 | 2019-06-28 | 江阴法尔胜住电新材料有限公司 | The device and installation method of a kind of pair of suspension cable setting flameproof protection |
| CN113235429A (en) * | 2021-05-28 | 2021-08-10 | 广州珠江黄埔大桥建设有限公司 | Novel sheath, novel sheath installation method and bridge cable |
-
2019
- 2019-08-07 CN CN201921271657.6U patent/CN211312163U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944157A (en) * | 2019-03-18 | 2019-06-28 | 江阴法尔胜住电新材料有限公司 | The device and installation method of a kind of pair of suspension cable setting flameproof protection |
| CN113235429A (en) * | 2021-05-28 | 2021-08-10 | 广州珠江黄埔大桥建设有限公司 | Novel sheath, novel sheath installation method and bridge cable |
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