CN113605234A - Fireproof outer layer isolation system for bridge stay cable - Google Patents

Fireproof outer layer isolation system for bridge stay cable Download PDF

Info

Publication number
CN113605234A
CN113605234A CN202111014070.9A CN202111014070A CN113605234A CN 113605234 A CN113605234 A CN 113605234A CN 202111014070 A CN202111014070 A CN 202111014070A CN 113605234 A CN113605234 A CN 113605234A
Authority
CN
China
Prior art keywords
semicircular
layer
fireproof
stay cable
sealing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202111014070.9A
Other languages
Chinese (zh)
Other versions
CN113605234B (en
Inventor
康壮苏
倪雅
方二宝
邵宁
张兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU CUMT DAZHENG SURFACE ENGINEERING TECHNOLOGY CO LTD
Original Assignee
JIANGSU CUMT DAZHENG SURFACE ENGINEERING TECHNOLOGY CO LTD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JIANGSU CUMT DAZHENG SURFACE ENGINEERING TECHNOLOGY CO LTD filed Critical JIANGSU CUMT DAZHENG SURFACE ENGINEERING TECHNOLOGY CO LTD
Priority to CN202111014070.9A priority Critical patent/CN113605234B/en
Publication of CN113605234A publication Critical patent/CN113605234A/en
Application granted granted Critical
Publication of CN113605234B publication Critical patent/CN113605234B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a non-planar shape
    • B32B1/08—Tubular products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D11/00—Suspension or cable-stayed bridges
    • E01D11/04—Cable-stayed bridges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Electric Cable Installation (AREA)

Abstract

The invention discloses a fireproof outer layer isolation system for a bridge stay cable, which comprises a stay cable and an HDPE protection sleeve wrapped on the outer side of the stay cable; the fireproof layer comprises two layers of basalt fiber cloth strips spirally wound on the outer side of the HDPE protective sleeve, and the winding directions of the two layers of basalt fiber cloth strips are opposite; the inner fastening sealing layer comprises a plurality of sections of inner sealing sleeves sleeved on the outer side of the fire-proof layer; the inner sealing sleeve comprises two inner semicircular pipes, and the inner walls of the inner semicircular pipes are bonded with a plurality of layers of basalt gridding cloth and are bonded and fixed with basalt fiber cloth strips; the outer protective sealing layer comprises a plurality of sections of outer sealing sleeves sleeved on the outer side of the inner fastening sealing layer; the outer sealing sleeve comprises two outer semicircular pipes, and the inner walls of the outer semicircular pipes are bonded with a plurality of layers of basalt gridding cloth; the outer semicircular pipe is connected with the outer side of the inner semicircular pipe. The invention can realize a prefabrication assembly mode, improve the construction efficiency, ensure that the sealing effect after assembly meets the requirement, and simultaneously improve the anti-collision and anti-damage capability of the isolation system.

Description

Fireproof outer layer isolation system for bridge stay cable
Technical Field
The invention relates to the technical field of cable-stayed bridge cable fire prevention and fire control, in particular to a fireproof outer layer isolation system for a bridge stay cable.
Background
China builds large cable-suspended structure bridges from the last 90 s, the operation is carried out in the time of nearly 30 years, the incidence rate of accidents and disasters in the bridge construction period and the operation period is increased, and immeasurable loss is caused to the society. Along with the development of economic society of China, the traffic flow of bridges is increased, vehicles for transporting flammable and combustible articles on the bridges are also increased continuously, so that the burning and firing events of the vehicles are more and more, and the fireproof problem of the bridges is gradually emphasized. For a cable system bridge, a cable is a main bearing component of the bridge, once the cable is damaged in a fire disaster, the traffic is blocked, huge economic loss is caused, and meanwhile, the safety of the bridge is greatly threatened. At present, part of the cable system bridge encounters fire disasters of different degrees during operation, which causes certain loss.
The setting of the outer flame retardant coating of cable has been very much paid attention to among the prior art, but current flame retardant coating is site operation, and its efficiency of construction is low, and the construction cycle is long, and not only initial construction waste time also can lead to the maintenance duration overlength in the maintenance of later stage moreover. Moreover, the construction consistency caused by artificial construction is poor, and the structural defects caused by artificial construction cannot be avoided.
Therefore, how to provide a fireproof outer layer isolation system for a bridge stay cable, which has a simple structure, is convenient to construct, and has a good fireproof effect, is a problem that needs to be solved urgently by technical personnel in the field.
Disclosure of Invention
In view of the above, the present invention provides a fireproof outer layer isolation system for a bridge stay cable, which aims to solve the above technical problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
a fireproof outer layer isolation system for a bridge stay cable comprises a stay cable and an HDPE protective sleeve wrapped on the outer side of the stay cable; it is characterized by also comprising:
a fire barrier layer; the fireproof layer comprises two layers of basalt fiber cloth strips spirally wound on the outer side of the HDPE protective sleeve, and the winding directions of the two layers of basalt fiber cloth strips are opposite;
an inner fastening sealing layer; the inner fastening sealing layer comprises a plurality of sections of inner sealing sleeves sleeved on the outer side of the fireproof layer; the inner sealing sleeve comprises two inner semicircular tubes, and the inner walls of the inner semicircular tubes are bonded with a plurality of layers of basalt gridding cloth and are bonded and fixed with the basalt fiber cloth strips;
an outer protective sealing layer; the outer protective sealing layer comprises an outer sealing sleeve sleeved at the outer side of the inner fastening sealing layer in multiple sections; the outer sealing sleeve comprises two outer semicircular pipes, and a plurality of layers of basalt gridding cloth are bonded on the inner walls of the outer semicircular pipes; the outer semicircular pipe is connected to the outer side of the inner semicircular pipe.
According to the technical scheme, the sealing performance and the structural stability of the fireproof layer are improved by adopting the double-layer basalt fiber cloth strips wound in the opposite direction, the prefabricated assembly mode can be realized by assembling the inner fastening sealing layer and the outer protection sealing layer on the outer side, the construction efficiency is improved, the sealing effect after assembly meets the requirement, and the anti-collision and anti-damage capacity of the isolation system can be improved.
Preferably, in the fireproof outer-layer isolation system for the bridge stay cable, the two ends of the inner semicircular pipe are respectively provided with a semicircular flange plate, and the flange plates are provided with a plurality of first connecting holes; the two corresponding upper and lower flange plates penetrate through the first connecting hole through a first bolt to be fixedly connected; a butt joint plate is arranged between the straight edges of the two flange plates and the side edge of the inner semicircular pipe, and a plurality of second connecting holes are formed in the butt joint plate; and the corresponding two butt joint plates penetrate through the second connecting hole through a second bolt to be fixedly connected. The rapid assembly of interior semicircle pipe can be realized, and the stable effect to the flame retardant coating can further be improved.
Preferably, in the fireproof outer-layer isolation system for the bridge stay cable, a fireproof gasket is arranged between two corresponding flanges at the upper part and the lower part, and a fireproof gasket is arranged between two corresponding butt-joint plates. Further improving the sealing performance.
Preferably, in the fireproof outer layer isolation system for the bridge stay cable, the two end edges and the two side edges of the outer semicircular pipe are respectively provided with a corresponding clamping head and a corresponding clamping groove; the border of two that correspond outer semicircle pipe passes through the dop with the draw-in groove joint is fixed, corresponds from top to bottom the border of outer semicircle pipe passes through the dop with the draw-in groove joint is fixed. The quick assembly of outer semicircle pipe can be realized.
Preferably, in the fireproof outer-layer isolation system for the bridge stay cable, threaded holes are uniformly formed in the circumferential surface of the flange plate and the edge surface of the butt joint plate; and a third connecting hole corresponding to the threaded hole is formed in the outer semicircular pipe, and a third bolt penetrates through the third connecting hole from the outer wall of the outer semicircular pipe to be tightly connected with the threaded hole. The quick assembly connection of the outer semicircular pipe and the inner semicircular pipe can be realized.
Preferably, in the fireproof outer-layer insulation system for the bridge stay cable, a gap between the inner semicircular pipe and the outer semicircular pipe is filled with foam rubber. The fire-proof and impact-resistant effects can be further improved.
Preferably, in the fireproof outer-layer isolation system for the stay cable of the bridge, a gap between the inner semicircular pipe and the outer semicircular pipe is filled with fireproof cotton. The fire-proof and impact-resistant effects can be further improved.
Preferably, in the fireproof outer-layer isolation system for the bridge stay cable, the basalt mesh cloth on the inner semicircular pipe and the basalt mesh cloth on the outer semicircular pipe are both two layers. Can meet the fireproof sealing requirement.
Preferably, in the fireproof outer-layer isolation system for the bridge stay cable, the butt joint seams of the two inner semi-circular pipes and the butt joint seams of the two outer semi-circular pipes are arranged in a cross manner. The sealing effect can be effectively improved.
Preferably, in the fireproof outer-layer isolation system for the bridge stay cable, the inner semicircular pipe and the outer semicircular pipe are both made of flame-retardant plastic pipes. The structure is light, and can satisfy sealed, fire prevention and crashproof function, and easily make.
Compared with the prior art, the invention discloses a fireproof outer layer isolation system for a bridge stay cable, and the fireproof outer layer isolation system has the following beneficial effects:
1. according to the invention, the sealing performance and the structural stability of the fireproof layer are improved by adopting the double-layer basalt fiber cloth strips wound in opposite directions, the prefabricated assembly mode can be realized by assembling the inner fastening sealing layer and the outer protection sealing layer on the outer side, the construction efficiency is improved, the sealing effect after assembly meets the requirement, and the anti-collision and anti-damage capability of the isolation system can be improved.
2. The invention can ensure that a certain impact resistance effect exists between the gaps of the inner and outer sealing layers, and even if the outer layer is damaged, the inner layer still has a good fireproof sealing effect and cannot lose efficacy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a fireproof outer layer isolation system for a bridge stay cable according to the present invention;
FIG. 2 is a schematic structural view of a fire barrier layer provided by the present invention;
FIG. 3 is a schematic structural diagram of an inner sealing sleeve provided by the present invention;
FIG. 4 is a schematic structural view of an inner semicircular tube provided by the present invention;
FIG. 5 is a top view of the inner semi-circular tube provided by the present invention;
FIG. 6 is a schematic structural diagram of an outer sealing sleeve provided by the present invention;
FIG. 7 is a schematic structural view of an outer semicircular tube provided by the present invention;
FIG. 8 is a schematic structural view of the other half of the outer semicircular pipe provided by the invention;
figure 9 is a cross-sectional view of the outer semi-circular tube provided by the present invention.
Wherein:
1-a fire-resistant layer;
11-basalt fiber cloth strips;
2-internal fastening sealing layer;
21-inner sealing sleeve; 211-inner semi-circular tube; 2111-flange plate; 2112-first connection hole; 2113-docking plate; 2114-second connection hole; 2115-threaded hole;
3-outer protective sealing layer;
31-an outer sealing sleeve; 311-outer semi-circular tube; 3111-chuck; 3112-card slot; 3113-third connecting hole.
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.
Referring to the attached drawings 1 to 9, the embodiment of the invention discloses a fireproof outer layer isolation system for a bridge stay cable, which comprises a stay cable and an HDPE protection sleeve wrapped on the outer side of the stay cable; further comprising:
a fire barrier layer 1; the fireproof layer 1 comprises two layers of basalt fiber cloth strips 11 spirally wound on the outer side of the HDPE protective sleeve, and the winding directions of the two layers of basalt fiber cloth strips 11 are opposite;
an inner fastening sealing layer 2; the inner fastening sealing layer 2 comprises a plurality of sections of inner sealing sleeves 21 sleeved on the outer side 1 of the fire-proof layer; the inner sealing sleeve 21 comprises two inner semicircular tubes 211, and the inner walls of the inner semicircular tubes 211 are bonded with a plurality of layers of basalt mesh cloth and are bonded and fixed with the basalt fiber cloth strips 11;
an outer protective sealing layer 3; the outer protective sealing layer 3 comprises a plurality of sections of outer sealing sleeves 31 sleeved on the outer side of the inner fastening sealing layer 2; the outer sealing sleeve 31 comprises two outer semicircular tubes 311, and a plurality of layers of basalt gridding cloth are bonded on the inner walls of the outer semicircular tubes 311; the outer semicircular tube 311 is connected to the outside of the inner semicircular tube 211.
In order to further optimize the technical scheme, two ends of the inner semicircular tube 211 are respectively provided with a semicircular flange plate 2111, and the flange plate 2111 is provided with a plurality of first connecting holes 2112; the two corresponding upper and lower flange plates 211 are fastened and connected by a first bolt passing through the first connecting hole 2112; a butt joint plate 2113 is arranged between the straight edge of the two flange plates 2111 and the side edge of the inner semicircular tube 211, and a plurality of second connecting holes 2114 are formed in the butt joint plate 2113; the corresponding two docking plates 2113 are fastened and connected through the second connection hole 2114 by a second bolt.
In order to further optimize the technical scheme, a fireproof gasket is arranged between the two corresponding upper and lower flange plates 2111, and a fireproof gasket is arranged between the two corresponding butt-joint plates 2113.
In order to further optimize the technical scheme, the two end edges and the two side edges of the outer semicircular tube 311 are respectively provided with a clamping head 3111 and a clamping groove 3112 which correspond to each other; the border of two outer semicircle pipes 311 that correspond passes through dop 3111 and draw-in groove 3112 joint fixed, and the border of the outer semicircle pipe 311 that corresponds from top to bottom passes through dop 3111 and draw-in groove 3112 joint fixed.
In order to further optimize the technical scheme, threaded holes 2115 are uniformly formed in the circumferential surface of the flange plate 2111 and the edge surface of the butt plate 2113; a third connecting hole 3113 corresponding to the threaded hole 2115 is formed in the outer semicircular tube 311, and a third bolt passes through the third connecting hole 3113 from the outer wall of the outer semicircular tube 311 and is fastened with the threaded hole 2115.
In order to further optimize the above technical solution, the gap between the inner semicircular tube 211 and the outer semicircular tube 311 is filled with foam rubber, or the gap between the inner semicircular tube 211 and the outer semicircular tube 311 is filled with fireproof cotton.
In order to further optimize the technical scheme, the basalt gridding cloth on the inner semicircular tube 211 and the basalt gridding cloth on the outer semicircular tube 311 are both two layers.
In order to further optimize the above technical solution, the butt joint seam of the two inner semi-circular tubes 211 and the butt joint seam of the two outer semi-circular tubes 311 are arranged in a cross shape.
In order to further optimize the technical scheme, the inner semicircular tube 211 and the outer semicircular tube 311 are both made of flame-retardant plastic tubes.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A fireproof outer layer isolation system for a bridge stay cable comprises a stay cable and an HDPE protective sleeve wrapped on the outer side of the stay cable; it is characterized by also comprising:
a fire barrier layer (1); the fireproof layer (1) comprises two layers of basalt fiber cloth strips (11) spirally wound on the outer side of the HDPE protective sleeve, and the winding directions of the two layers of basalt fiber cloth strips (11) are opposite;
an inner fastening seal layer (2); the inner fastening sealing layer (2) comprises a plurality of sections of inner sealing sleeves (21) sleeved on the outer side (1) of the fireproof layer; the inner sealing sleeve (21) comprises two inner semicircular tubes (211), and the inner walls of the inner semicircular tubes (211) are bonded with a plurality of layers of basalt mesh cloth and are bonded and fixed with the basalt fiber cloth strips (11);
an outer protective sealing layer (3); the outer protection sealing layer (3) comprises an outer sealing sleeve (31) sleeved on the outer side of the inner fastening sealing layer (2) in multiple sections; the outer sealing sleeve (31) comprises two outer semicircular tubes (311), and a plurality of layers of basalt gridding cloth are bonded on the inner walls of the outer semicircular tubes (311); the outer semicircular pipe (311) is connected to the outer side of the inner semicircular pipe (211).
2. The fireproof outer-layer isolation system for the stay cable of the bridge according to claim 1, wherein the two ends of the inner semicircular pipe (211) are respectively provided with a semicircular flange plate (2111), and the flange plates (2111) are provided with a plurality of first connecting holes (2112); the two corresponding upper and lower flange plates (211) penetrate through the first connecting hole (2112) through first bolts to be fixedly connected; a butt joint plate (2113) is arranged between the straight edge of the two flange plates (2111) and the side edge of the inner semi-circular pipe (211), and a plurality of second connecting holes (2114) are formed in the butt joint plate (2113); and the corresponding two butt joint plates (2113) are tightly connected through the second connecting hole (2114) by a second bolt.
3. The system of claim 2, wherein a fireproof gasket is arranged between two corresponding flanges (2111) and a fireproof gasket is arranged between two corresponding butt-joint plates (2113).
4. The fire-proof outer layer isolation system for the bridge stay cable according to claim 2 or 3, wherein the two end edges and the two side edges of the outer semi-circular pipe (311) are respectively provided with a clamping head (3111) and a clamping groove (3112); the border of outer semicircle pipe (311) passes through corresponding two dop (3111) with draw-in groove (3112) joint is fixed, corresponds from top to bottom the border of outer semicircle pipe (311) passes through dop (3111) with draw-in groove (3112) joint is fixed.
5. The fireproof outer-layer isolation system for the stay cable of the bridge as claimed in claim 4, wherein the circumferential surface of the flange plate (2111) and the edge surface of the butt plate (2113) are uniformly provided with threaded holes (2115); and a third connecting hole (3113) corresponding to the threaded hole (2115) is formed in the outer semicircular tube (311), and a third bolt penetrates through the third connecting hole (3113) from the outer wall of the outer semicircular tube (311) to be fixedly connected with the threaded hole (2115).
6. A fire protection outer insulation system for a stay cable of a bridge according to any one of claims 1-5, wherein the gap between the inner semi-circular tube (211) and the outer semi-circular tube (311) is filled with foam rubber.
7. A fire-proof outer insulation system for bridge stay cables according to any one of claims 1-5, characterized in that the gap between the inner semicircular tube (211) and the outer semicircular tube (311) is filled with fire-proof cotton.
8. The system of claim 1, wherein the basalt mesh cloth on the inner semicircular tube (211) and the outer semicircular tube (311) is two layers.
9. The system of claim 1, wherein the butt joint seam of the two inner semi-circular pipes (211) and the butt joint seam of the two outer semi-circular pipes (311) are arranged in a cross shape.
10. The system of claim 1, wherein the inner semicircular tube (211) and the outer semicircular tube (311) are made of flame retardant plastic tubes.
CN202111014070.9A 2021-08-31 2021-08-31 Fireproof outer layer isolation system for bridge stay cable Active CN113605234B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111014070.9A CN113605234B (en) 2021-08-31 2021-08-31 Fireproof outer layer isolation system for bridge stay cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111014070.9A CN113605234B (en) 2021-08-31 2021-08-31 Fireproof outer layer isolation system for bridge stay cable

Publications (2)

Publication Number Publication Date
CN113605234A true CN113605234A (en) 2021-11-05
CN113605234B CN113605234B (en) 2022-12-06

Family

ID=78342422

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111014070.9A Active CN113605234B (en) 2021-08-31 2021-08-31 Fireproof outer layer isolation system for bridge stay cable

Country Status (1)

Country Link
CN (1) CN113605234B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113957784A (en) * 2021-12-07 2022-01-21 合肥工业大学 Fire protection device suitable for flexible jib of arched bridge
CN115092532A (en) * 2022-07-25 2022-09-23 上海振华重工(集团)股份有限公司 High-altitude paint surface protection device and method for circular pipe component of quayside container crane
FR3136823A1 (en) * 2022-06-21 2023-12-22 Soletanche Freyssinet PROTECTIVE SHIELD FOR A TENSION DEVICE, STRUCTURAL CABLE AND CONSTRUCTION WORK EQUIPPED WITH SUCH SHIELD

Citations (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR920010195A (en) * 1990-11-26 1992-06-26 나까가와 타츠야 Multi-layered plastic tube and its manufacturing method
JP2000297887A (en) * 1999-04-14 2000-10-24 Sekisui Chem Co Ltd Composite pipe
WO2002086351A2 (en) * 2001-04-23 2002-10-31 Wittenstein Ag Drive, particularly a planetary drive
WO2007093703A2 (en) * 2006-02-17 2007-08-23 Eiffage Tp Device for protecting a cable or the like of a construction or civil engineering project from fire
JP2012164607A (en) * 2011-02-09 2012-08-30 Furukawa Electric Co Ltd:The Flame-retardant cable
KR20120131415A (en) * 2011-05-25 2012-12-05 전주대학교 산학협력단 Fireproof equipment of cables in bridge
EP2639058A2 (en) * 2012-03-14 2013-09-18 Promat GmbH Fire protection tube cuff
US20140102758A1 (en) * 2011-06-20 2014-04-17 Tyco Electronics Uk Ltd. High Temperature Insulating Tape and Wire or Cable Sheathed Therewith
CN104846743A (en) * 2015-04-30 2015-08-19 合肥工业大学 Fireproof sheath for protecting bridge stay rope
CN206242598U (en) * 2016-11-07 2017-06-13 潘正国 A kind of fire-retardant fireproof for bridge cable is wrapped band
CN206553934U (en) * 2016-12-30 2017-10-13 江苏中矿大正表面工程技术有限公司 Suspension bridge twines silk section sealing protection coating structure
WO2017191735A1 (en) * 2016-05-02 2017-11-09 ダイキン工業株式会社 Fiber-reinforced composite material, laminate, pipe, riser pipe, and flow line
CN107419662A (en) * 2017-08-23 2017-12-01 柳州欧维姆机械股份有限公司 A kind of Ha Fushi Novel fireproofs drag-line and preparation method thereof
CN107889513A (en) * 2015-06-30 2018-04-06 Vsl国际股份公司 Protector
CN209703275U (en) * 2018-11-14 2019-11-29 中交第二航务工程局有限公司 Rope pipe sleeve, Multifunctional coat pipe and stayed structure suitable for Cable Structure system
CN209722739U (en) * 2018-12-29 2019-12-03 上海浦江缆索股份有限公司 Drag-line cable body with fire resistant layer
CN210238293U (en) * 2019-03-26 2020-04-03 江苏法尔胜缆索有限公司 Heat-insulation fireproof hot-extrusion polyethylene parallel steel wire inhaul cable
CN111305035A (en) * 2020-03-31 2020-06-19 广州珠江黄埔大桥建设有限公司 Bridge stay cable heat insulation and fire resistance protection structure and construction method thereof
CN212827168U (en) * 2020-03-03 2021-03-30 扬州嘉华管业有限公司 Fireproof hot-galvanized pipe
CN212860666U (en) * 2020-06-29 2021-04-02 禹州市建通塑胶管业有限公司 Fireproof heat-insulating polyethylene pipe
CN113085291A (en) * 2021-05-06 2021-07-09 广州缆索新材料科技有限公司 Bridge cable pole flame-retardant heat-insulation fireproof system
US11060279B1 (en) * 2020-04-22 2021-07-13 Zhengping Hu Fire-resistant utility pole sleeve
US20210221098A1 (en) * 2020-01-21 2021-07-22 Parker-Hannifin Corporation High Temperature Hose
US11081255B2 (en) * 2016-01-07 2021-08-03 Coroplast Fritz Müller Gmbh & Co. Kg High-temperature and flame-resistant colored adhesive tape, use of a substrate for its manufacture, and cable harness including such an adhesive tape
CN213989985U (en) * 2020-12-18 2021-08-17 江门市粤新通桥架线管有限公司 Novel wire tube sheath

Patent Citations (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR920010195A (en) * 1990-11-26 1992-06-26 나까가와 타츠야 Multi-layered plastic tube and its manufacturing method
JP2000297887A (en) * 1999-04-14 2000-10-24 Sekisui Chem Co Ltd Composite pipe
WO2002086351A2 (en) * 2001-04-23 2002-10-31 Wittenstein Ag Drive, particularly a planetary drive
WO2007093703A2 (en) * 2006-02-17 2007-08-23 Eiffage Tp Device for protecting a cable or the like of a construction or civil engineering project from fire
JP2012164607A (en) * 2011-02-09 2012-08-30 Furukawa Electric Co Ltd:The Flame-retardant cable
KR20120131415A (en) * 2011-05-25 2012-12-05 전주대학교 산학협력단 Fireproof equipment of cables in bridge
US20140102758A1 (en) * 2011-06-20 2014-04-17 Tyco Electronics Uk Ltd. High Temperature Insulating Tape and Wire or Cable Sheathed Therewith
EP2639058A2 (en) * 2012-03-14 2013-09-18 Promat GmbH Fire protection tube cuff
CN104846743A (en) * 2015-04-30 2015-08-19 合肥工业大学 Fireproof sheath for protecting bridge stay rope
CN107889513A (en) * 2015-06-30 2018-04-06 Vsl国际股份公司 Protector
US11081255B2 (en) * 2016-01-07 2021-08-03 Coroplast Fritz Müller Gmbh & Co. Kg High-temperature and flame-resistant colored adhesive tape, use of a substrate for its manufacture, and cable harness including such an adhesive tape
WO2017191735A1 (en) * 2016-05-02 2017-11-09 ダイキン工業株式会社 Fiber-reinforced composite material, laminate, pipe, riser pipe, and flow line
CN206242598U (en) * 2016-11-07 2017-06-13 潘正国 A kind of fire-retardant fireproof for bridge cable is wrapped band
CN206553934U (en) * 2016-12-30 2017-10-13 江苏中矿大正表面工程技术有限公司 Suspension bridge twines silk section sealing protection coating structure
CN107419662A (en) * 2017-08-23 2017-12-01 柳州欧维姆机械股份有限公司 A kind of Ha Fushi Novel fireproofs drag-line and preparation method thereof
CN209703275U (en) * 2018-11-14 2019-11-29 中交第二航务工程局有限公司 Rope pipe sleeve, Multifunctional coat pipe and stayed structure suitable for Cable Structure system
CN209722739U (en) * 2018-12-29 2019-12-03 上海浦江缆索股份有限公司 Drag-line cable body with fire resistant layer
CN210238293U (en) * 2019-03-26 2020-04-03 江苏法尔胜缆索有限公司 Heat-insulation fireproof hot-extrusion polyethylene parallel steel wire inhaul cable
US20210221098A1 (en) * 2020-01-21 2021-07-22 Parker-Hannifin Corporation High Temperature Hose
CN212827168U (en) * 2020-03-03 2021-03-30 扬州嘉华管业有限公司 Fireproof hot-galvanized pipe
CN111305035A (en) * 2020-03-31 2020-06-19 广州珠江黄埔大桥建设有限公司 Bridge stay cable heat insulation and fire resistance protection structure and construction method thereof
US11060279B1 (en) * 2020-04-22 2021-07-13 Zhengping Hu Fire-resistant utility pole sleeve
CN212860666U (en) * 2020-06-29 2021-04-02 禹州市建通塑胶管业有限公司 Fireproof heat-insulating polyethylene pipe
CN213989985U (en) * 2020-12-18 2021-08-17 江门市粤新通桥架线管有限公司 Novel wire tube sheath
CN113085291A (en) * 2021-05-06 2021-07-09 广州缆索新材料科技有限公司 Bridge cable pole flame-retardant heat-insulation fireproof system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
李兴罗: "电缆防火及其隔离阻燃措施", 《供用电》 *
霍冀川等: "玄武岩纤维的制备及其复合材料的研究进展", 《材料导报》 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113957784A (en) * 2021-12-07 2022-01-21 合肥工业大学 Fire protection device suitable for flexible jib of arched bridge
FR3136823A1 (en) * 2022-06-21 2023-12-22 Soletanche Freyssinet PROTECTIVE SHIELD FOR A TENSION DEVICE, STRUCTURAL CABLE AND CONSTRUCTION WORK EQUIPPED WITH SUCH SHIELD
WO2023247888A1 (en) * 2022-06-21 2023-12-28 Soletanche Freyssinet Structural cable with protective shield, and construction work comprising such a cable
CN115092532A (en) * 2022-07-25 2022-09-23 上海振华重工(集团)股份有限公司 High-altitude paint surface protection device and method for circular pipe component of quayside container crane
CN115092532B (en) * 2022-07-25 2024-04-02 上海振华重工(集团)股份有限公司 High-altitude paint surface protection device and method for circular tube member of quay crane

Also Published As

Publication number Publication date
CN113605234B (en) 2022-12-06

Similar Documents

Publication Publication Date Title
CN113605234B (en) Fireproof outer layer isolation system for bridge stay cable
RU132461U1 (en) COMMUNICATION COLLECTOR MODULE, MAIN TUNNEL AND INPUT CAMERA MODULE
WO2018076499A1 (en) Pipe segment connecting component suitable for comprehensive bamboo composite pipe gallery
CN208871168U (en) A kind of marine multi-core pipe crossing cabin fire resistant seal device
CN111794392A (en) Assembled side fascia
CN216307102U (en) Fire prevention clad structure of tuber pipe
CN211313465U (en) Carbon fiber repairing and reinforcing structure of K-shaped steel pipe structure
CN212506803U (en) Stainless steel surface aluminium silicate composite board combination assembling structure
CN113605233B (en) Fireproof and antiriot bridge steel cable protection system
CN112178352B (en) Repair reinforcing structure of complex space steel pipe structure
CN210134546U (en) Fireproof and explosion-proof structure with through hole
CN209743791U (en) Wall-through mounting structure for heating water pipe
CN209545083U (en) A kind of construction of cable through walls with high fire-proof and explosion-proof performance
CN111663666A (en) Stainless steel surface aluminium silicate composite board combination assembling structure
CN211371604U (en) Carbon fiber repairing and reinforcing structure of Y-shaped steel pipe structure
CN215410857U (en) Steel casing steam direct-buried pipeline
CN216075684U (en) Detachable self-connection fireproof protection device for concrete filled steel tubular column
CN114923033B (en) Large-deformation ventilation pipeline and disaster recovery control method thereof
CN220797708U (en) Cable wall bushing device
WO2018076498A1 (en) Corner socket for bamboo composite pipe gallery
CN212836395U (en) High-strength light large-deformation energy-consumption explosion-proof hanging plate
CN211371603U (en) Carbon fiber repairing and reinforcing structure of T-shaped steel pipe structure
CN211313464U (en) Carbon fiber repairing and reinforcing structure of orthogonal space steel pipe structure
CN211285976U (en) Fire-resistant energy-saving steel structure
CN217736590U (en) High density fiber reinforcement floats pearl rock wool composite sheet and prevents tuber pipe of discharging fume

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant