CN104846743B - A kind of fireproof for bridge cable protection - Google Patents
A kind of fireproof for bridge cable protection Download PDFInfo
- Publication number
- CN104846743B CN104846743B CN201510215413.6A CN201510215413A CN104846743B CN 104846743 B CN104846743 B CN 104846743B CN 201510215413 A CN201510215413 A CN 201510215413A CN 104846743 B CN104846743 B CN 104846743B
- Authority
- CN
- China
- Prior art keywords
- main body
- drag
- line
- section
- fireproof
- 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.)
- Expired - Fee Related
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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
Abstract
The present invention relates to a kind of fireproof for bridge cable protection; including the high density polyethylene restrictive coating being set in outside drag-line; it is provided with protection mechanism outside described high density polyethylene restrictive coating; described protection mechanism includes four protective units; four protective units are uniformly arranged along the axis circumference of drag-line and four protective units are end to end; described protective unit includes limiting section, main body and Access Division; the inside of described Access Division is provided with the cavity that cross section is triangle, and the afterbody of described main body is provided with the draw-in groove mated with Access Division.This sheath being used for bridge cable protection is designed by clamp connection structure; not only increase stability and the fastness of structure; also improve this drag-line protection intensity for fire; and reduce the temperature of hot spot part; reduce the damage that drag-line is caused by fire; reduce maintenance cost, increase the service life of bridge.
Description
Technical field
The present invention relates to a kind of fireproof for bridge cable protection.
Background technology
Along with development and the progress of science and technology of traffic, the version such as cable-stayed bridge, suspension bridge becomes leap river, the effective means of cheuch.But, the drag-line of above-mentioned bridge is caused serious threat by the fire that vehicle accident in recent years causes.Fire on bridge causes the loss of strength of the primary structure members such as drag-line, modulus to reduce, and the safety of the bridge structure having a strong impact on and durability not only increase the maintaining cost of bridge, also shorten the service life of bridge.
In consideration of it, design a kind of fireproof for bridge cable protection, bridge cable is carried out flameproof protection, reduce the infringement that bridge cable is caused by burst fire, be the main object of the present invention.
Summary of the invention
The technical problem to be solved in the present invention is: in order to overcome the deficiencies in the prior art, it is provided that a kind of fireproof for bridge cable protection.
nullThe technical solution adopted for the present invention to solve the technical problems is: a kind of fireproof for bridge cable protection，Including the high density polyethylene restrictive coating being set in outside drag-line，It is provided with protection mechanism outside described high density polyethylene restrictive coating，Described protection mechanism includes four protective units，Four protective units are uniformly arranged along the axis circumference of drag-line and four protective units are end to end，Described protective unit includes limiting section、Main body and Access Division，Described main body is along being arc with the cross section in the axis vertical direction of drag-line，The center of circle of the arc section of described main body is positioned on the axis of drag-line，Described limiting section is arranged on the inner side of main body，One end of limiting section is connected on high density polyethylene restrictive coating，The other end of limiting section is fixed on the afterbody of main body，Described Access Division is along being triangle with the cross section in the axis vertical direction of drag-line，The inside of described Access Division is provided with the cavity that cross section is triangle，The afterbody of described main body is provided with the draw-in groove mated with Access Division.
As preferably, the triangular-section of described Access Division is isosceles triangle.
As preferably, the outside of the main body of described protective unit is provided with two circumferential contiguous blocks, two circumferential contiguous blocks lay respectively at head and the afterbody of main body, are bolted to connection between two circumferential contiguous blocks that adjacent two protective unit on same circumference is close together.
As preferably, the outside of the main body of described protective unit is provided with two lateral connection blocks, two lateral connection blocks lay respectively at the both sides of main body, are bolted to connection between close together two the lateral connection block of adjacent two protective unit on drag-line axis direction
As preferably, the length of described limiting section is equal to the length of the radius of high density polyethylene restrictive coating.
As preferably, the outer wall of described main body is provided with the pore connected with cavity.
The present invention is additionally operable to use as the fireproof of bridge boom protection.
The invention has the beneficial effects as follows; this a kind of fireproof for bridge cable protection is designed by clamp connection structure; not only increase stability and the fastness of structure; also improve this drag-line protection intensity for fire; reduce the temperature of hot spot part; reduce the damage that drag-line is caused by fire, reduce maintenance cost, increase the service life of bridge.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of a kind of fireproof for the protection of bridge zip of the present invention.
Fig. 2 is the structural representation of a kind of fireproof for the protection of bridge zip of the present invention.
Fig. 3 is the structural representation of the protective unit of a kind of fireproof for the protection of bridge zip of the present invention.
Fig. 4 is the structural representation of the protective unit of a kind of fireproof for the protection of bridge zip of the present invention.
Label in figure: 1 drag-line, 2 high density polyethylene restrictive coating, 3. protective units, 31 main bodys, 32 limiting sections, 33 Access Divisions, 34 cavitys, 35 circumference contiguous blocks, 36 lateral connection blocks, 37 pores, 38 draw-in grooves.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, and the basic structure of the present invention is described the most in a schematic way, and therefore it only shows the composition relevant with the present invention.
nullAs Figure 1-4，A kind of fireproof for bridge cable protection，Including the high density polyethylene restrictive coating 2 being set in outside drag-line 1，Described high density polyethylene restrictive coating 2 is outside is provided with protection mechanism，Described protection mechanism includes four protective units 3，Four protective units 3 are uniformly arranged along the axis circumference of drag-line 1 and four protective units 3 are end to end，Described protective unit 3 includes limiting section 32、Main body 31 and Access Division 33，Described main body 31 is along being arc with the cross section in the axis vertical direction of drag-line 1，The center of circle of the arc section of described main body 31 is positioned on the axis of drag-line 1，Described limiting section 32 is arranged on the inner side of main body 31，One end of limiting section 32 is connected on high density polyethylene restrictive coating 2，The other end of limiting section 32 is fixed on the afterbody of main body 31，Described Access Division 33 is along being triangle with the cross section in the axis vertical direction of drag-line 1，The inside of described Access Division 33 is provided with the cavity 34 that cross section is triangle，The afterbody of described main body 31 is provided with the draw-in groove 38 mated with Access Division 33.
As preferably, the triangular-section of described Access Division 33 is isosceles triangle.
As preferably, the outside of the main body 31 of described protective unit 3 is provided with two circumferential contiguous blocks 35, two circumferential contiguous blocks 35 lay respectively at head and the afterbody of main body 31, are bolted to connection between two circumferential contiguous blocks 35 that adjacent two protective unit 3 on same circumference is close together.
As preferably, the outside of the main body 31 of described protective unit 3 is provided with two lateral connection blocks 36, two lateral connection blocks 36 lay respectively at the both sides of main body 31, are bolted to connection between close together two the lateral connection block 36 of adjacent two protective unit 3 on drag-line 1 axis direction
As preferably, the length of described limiting section 32 is equal to the length of the radius of high density polyethylene restrictive coating 2.
As preferably, the outer wall of described main body 31 is provided with the pore connected with cavity 34.
Compared with prior art; this a kind of fireproof for bridge cable protection is designed by clamp connection structure; not only increase stability and the fastness of structure; also improve this drag-line protection intensity for fire; and reduce the temperature of hot spot part; reduce the damage that drag-line is caused by fire, reduce maintenance cost, increase the service life of bridge.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, relevant staff can carry out various change and amendment completely in the range of without departing from this invention technological thought.The content that the technical scope of this invention is not limited in description, it is necessary to determine its technical scope according to right.
Claims (4)
1. for a fireproof for bridge cable protection, the high density polyethylene sheath outside including being set in drag-line (1)
Layer (2), it is characterised in that described high density polyethylene restrictive coating (2) is outside is provided with protection mechanism, described protection mechanism
Including four protective units (3), four protective units (3) are uniformly arranged along the axis circumference of drag-line (1)
And four protective units are end to end, described protective unit (3) includes limiting section (32), main body (31)
With Access Division (33), described main body along being arc with the cross section in the axis vertical direction of drag-line (1),
The center of circle of the arc section of described main body is positioned on the axis of drag-line (1), and described limiting section (32) is arranged on
The inner side of main body (31), one end of limiting section (32) is connected on high density polyethylene restrictive coating (2), spacing
The other end in portion (32) is fixed on the afterbody of main body (31), described Access Division (33) along with drag-line (1)
Axis vertical direction on cross section be triangle, it is triangle that the inside of described Access Division (33) is provided with cross section
Cavity, the afterbody of described main body (31) is provided with the draw-in groove (38) mated with Access Division (33)；Described card
The triangular-section meeting portion (33) is isosceles triangle；Outside the main body (31) of described protective unit (3)
Side is provided with two circumferential contiguous blocks (35), and two circumferential contiguous blocks (35) lay respectively at the head of main body (31)
Portion and afterbody, adjacent two protective unit (3) that are positioned on same circumference two circumferences close together are even
Connect and be bolted to connection between block (35).
A kind of fireproof for bridge cable protection, it is characterised in that described
The outside of the main body (31) of protective unit (3) is provided with two lateral connection blocks (36), two lateral connection
Block (36) lays respectively at the both sides of main body (31), and two lateral connection blocks (36) are in staggered distribution mutually, position
Close together two lateral connection block (36) of adjacent two protective unit (3) on drag-line axis direction
Between be bolted to connection.
A kind of fireproof for bridge cable protection, it is characterised in that described
The length of limiting section (32) is equal to the length of the radius of high density polyethylene restrictive coating (2).
A kind of fireproof for bridge cable protection, it is characterised in that described
The outer wall of main body (31) is provided with the pore (37) connected with cavity (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510215413.6A CN104846743B (en) | 2015-04-30 | 2015-04-30 | A kind of fireproof for bridge cable protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510215413.6A CN104846743B (en) | 2015-04-30 | 2015-04-30 | A kind of fireproof for bridge cable protection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104846743A CN104846743A (en) | 2015-08-19 |
| CN104846743B true CN104846743B (en) | 2016-08-24 |
Family
ID=53846702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510215413.6A Expired - Fee Related CN104846743B (en) | 2015-04-30 | 2015-04-30 | A kind of fireproof for bridge cable protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104846743B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108270182B (en) * | 2016-12-30 | 2024-02-20 | 厦门金龙旅行车有限公司 | A fire prevention sheath for electric automobile wire hole |
| CN112431133B (en) * | 2020-11-11 | 2022-08-26 | 中国建筑第八工程局有限公司 | Be applied to bridge and spatial structure's fire-resistant carbon fiber cable |
| CN113605234B (en) * | 2021-08-31 | 2022-12-06 | 江苏中矿大正表面工程技术有限公司 | Fireproof outer layer isolation system for bridge stay cable |
| CN113802458B (en) * | 2021-09-30 | 2022-12-13 | 江苏中矿大正表面工程技术有限公司 | Bridge steel cable protection system with fireproof, dampproof and antitheft functions |
| CN113802457B (en) * | 2021-09-30 | 2023-03-28 | 江苏中矿大正表面工程技术有限公司 | Multifunctional outer protection system for bridge steel cable |
| CN114214940B (en) * | 2022-01-25 | 2023-12-08 | 江苏中矿大正表面工程技术有限公司 | Fire-resistant isolating device of suspension bridge steel cable |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2002952900A0 (en) * | 2002-11-25 | 2002-12-12 | Vsl Prestressing (Aust) Pty Ltd | Protective device |
| FR2897623B1 (en) * | 2006-02-17 | 2008-04-11 | Eiffage Tp Sa | DEVICE FOR PROTECTING THE FIRE OF A CABLE OR THE LIKE OF ART OR CIVIL ENGINEERING |
| US8769882B2 (en) * | 2010-06-07 | 2014-07-08 | Hardwire, Llc | Protection system for structural members such as cables |
| CN202347440U (en) * | 2011-11-16 | 2012-07-25 | 朱敏琪 | Steel wire inhaul cable for large-span building |
| CN102924000B (en) * | 2012-11-07 | 2014-06-18 | 三明市金宫硅酸钙板有限公司 | Method utilizing industrial waste to prepare non-asbestos calcium silicate board |
-
2015
- 2015-04-30 CN CN201510215413.6A patent/CN104846743B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104846743A (en) | 2015-08-19 |
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Granted publication date: 20160824 Termination date: 20200430 |
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| CF01 | Termination of patent right due to non-payment of annual fee |