CN205024593U - A fire prevention sheath for protection of bridge cable - Google Patents
A fire prevention sheath for protection of bridge cable Download PDFInfo
- Publication number
- CN205024593U CN205024593U CN201520273584.XU CN201520273584U CN205024593U CN 205024593 U CN205024593 U CN 205024593U CN 201520273584 U CN201520273584 U CN 201520273584U CN 205024593 U CN205024593 U CN 205024593U
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- main body
- drag
- bridge cable
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- line
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Abstract
The utility model relates to a fire prevention sheath for protection of bridge cable, establish on the outside high pe sheath layer of cable including the cover, high pe sheath layer outside is equipped with protection machanism, protection machanism includes four protective units, four even settings and four protective unit end to end of axis circumference that the cable is followed to the protective unit, the protective unit includes spacing portion, main part and joint portion, the inside of joint portion is equipped with the cavity of cross -section for triangle -shaped, the afterbody of main part is equipped with the draw -in groove that matches with joint portion. The sheath that should be used for the protection of bridge cable passes through joint formula structural design, has not only improved the stability and the fastness of structure, has also improved the protective strength of this cable to the conflagration to reduce conflagration central part's temperature, reduce the damage that the conflagration caused to the cable, reduce cost of maintenance, increase the life of bridge.
Description
Technical field
The utility model relates to a kind of fireproof for bridge cable protection.
Background technology
Along with the development of traffic and the progress of science and technology, the form of structure such as cable stayed bridge, suspension bridge becomes the effective means of crossing over river, cheuch.But the drag-line of the fire that traffic accident in recent years causes to above-mentioned bridge causes serious threat.Fire on bridge causes the loss of strength of the primary structure members such as drag-line, modulus reduces, and the safety of the bridge construction had a strong impact on and durability, not only increase the maintaining cost of bridge, also shorten the application life of bridge.
Given this, design a kind of fireproof for bridge cable protection, carry out flameproof protection to bridge cable, reducing the infringement that burst fire causes bridge cable, is main purpose of the present utility model.
Utility model content
The technical problems to be solved in the utility model is: in order to overcome the deficiencies in the prior art, provides a kind of fireproof for bridge cable protection.
The utility model solves the technical scheme that its technical problem adopts: a kind of fireproof for bridge cable protection, comprise the high density polyethylene restrictive coating being set in drag-line outside, described high density polyethylene restrictive coating outside is provided with protection mechanism, described protection mechanism comprises four protective units, four protective units evenly to be arranged and four protective units are end to end along the axis circumference of drag-line, described protective unit comprises limiting section, main body and Access Division, described main body is along being arc with the cross section on the axes normal 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 on the axes normal direction of drag-line, it is leg-of-mutton cavity that the inside of described Access Division is provided with cross section, 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 of same two adjacent protective unit close together circumferentially.
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 two lateral connection blocks of the close together of two the adjacent protective units on drag-line axis direction
As preferably, the length of described limiting section equals 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 with cavity connects.
The fireproof of the utility model also for protecting as bridge boom uses.
The beneficial effects of the utility model are; 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 the protection intensity of this drag-line for fire; reduce the temperature of hot spot part; reduce the damage that fire causes drag-line, reduce maintenance cost, increase the application life of bridge.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of a kind of fireproof for the protection of bridge zip of the utility model.
Fig. 2 is the structural representation of a kind of fireproof for the protection of bridge zip of the utility model.
Fig. 3 is the structural representation of the protective unit of a kind of fireproof for the protection of bridge zip of the utility model.
Fig. 4 is the structural representation of the protective unit of a kind of fireproof for the protection of bridge zip of the utility model.
Number in the 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 circumferential contiguous blocks, 36 lateral connection blocks, 37 pores, 38 draw-in grooves.
Detailed description of the invention
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As Figure 1-4, a kind of fireproof for bridge cable protection, comprise the high density polyethylene restrictive coating 2 being set in drag-line 1 outside, described high density polyethylene restrictive coating 2 outside is provided with protection mechanism, described protection mechanism comprises four protective units 3, four protective units 3 evenly to be arranged and four protective units 3 are end to end along the axis circumference of drag-line 1, described protective unit 3 comprises limiting section 32, main body 31 and Access Division 33, described main body 31 is along being arc with the cross section on the axes normal 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 on the axes normal direction of drag-line 1, it is leg-of-mutton cavity 34 that the inside of described Access Division 33 is provided with cross section, 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 of same two adjacent protective unit 3 close together circumferentially.
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 two lateral connection blocks 36 of the close together of two the adjacent protective units 3 on drag-line 1 axis direction
As preferably, the length of described limiting section 32 equals 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 be communicated 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 the protection intensity of this drag-line for fire; and reduce the temperature of hot spot part; reduce the damage that fire causes drag-line, reduce maintenance cost, increase the application life of bridge.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on manual, must determine its technical scope according to right.
Claims (7)
1. the fireproof for bridge cable protection, comprise and be set in the outside high density polyethylene restrictive coating (2) of drag-line (1), it is characterized in that, described high density polyethylene restrictive coating (2) outside is provided with protection mechanism, described protection mechanism comprises four protective units (3), four protective units (3) evenly to be arranged and four protective units are end to end along the axis circumference of drag-line (1), described protective unit (3) comprises limiting section (32), main body (31) and Access Division (33), described main body is along being arc with the cross section on the axes normal 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), 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 on the axes normal direction of drag-line (1), it is leg-of-mutton cavity that the inside of described Access Division (33) is provided with cross section, the afterbody of described main body (31) is provided with the draw-in groove (38) mated with Access Division (33).
2. as claimed in claim 1 a kind of for bridge cable protection fireproof, it is characterized in that, the triangular-section of described Access Division (33) is isosceles triangle.
3. as claimed in claim 1 a kind of for bridge cable protection fireproof; it is characterized in that; 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 the circumferential contiguous blocks (35) being positioned at same two adjacent protective unit (3) close together circumferentially.
4. as claimed in claim 1 a kind of for bridge cable protection fireproof; it is characterized in that; 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); two lateral connection blocks (36) are in staggered distribution mutually, are bolted to connection between two the lateral connection blocks (36) being positioned at the close together of two the adjacent protective units (3) on drag-line axis direction.
5. as claimed in claim 1 a kind of for bridge cable protection fireproof, it is characterized in that, the length of described limiting section (32) equals the length of the radius of high density polyethylene restrictive coating (2).
6. as claimed in claim 1 a kind of for bridge cable protection fireproof, it is characterized in that, the outer wall of described main body (31) is provided with the pore (37) be communicated with cavity (34).
7. as claimed in claim 1 a kind of for bridge cable protection fireproof, it is characterized in that, described protective unit is asbestos-free calcium silicate material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520273584.XU CN205024593U (en) | 2015-04-30 | 2015-04-30 | A fire prevention sheath for protection of bridge cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520273584.XU CN205024593U (en) | 2015-04-30 | 2015-04-30 | A fire prevention sheath for protection of bridge cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205024593U true CN205024593U (en) | 2016-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520273584.XU Active CN205024593U (en) | 2015-04-30 | 2015-04-30 | A fire prevention sheath for protection of bridge cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205024593U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111183258A (en) * | 2017-10-16 | 2020-05-19 | 迪维达格系统国际有限公司 | Tension member protection system |
| CN112030745A (en) * | 2020-09-11 | 2020-12-04 | 合肥清雅装饰工程有限公司 | A bridge sleeve pipe for cable for municipal bridge engineering |
-
2015
- 2015-04-30 CN CN201520273584.XU patent/CN205024593U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111183258A (en) * | 2017-10-16 | 2020-05-19 | 迪维达格系统国际有限公司 | Tension member protection system |
| CN112030745A (en) * | 2020-09-11 | 2020-12-04 | 合肥清雅装饰工程有限公司 | A bridge sleeve pipe for cable for municipal bridge engineering |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |