CN106120558A - A kind of sizing tape wrap structure of main rope of suspension bridge strand - Google Patents
A kind of sizing tape wrap structure of main rope of suspension bridge strand Download PDFInfo
- Publication number
- CN106120558A CN106120558A CN201610654960.9A CN201610654960A CN106120558A CN 106120558 A CN106120558 A CN 106120558A CN 201610654960 A CN201610654960 A CN 201610654960A CN 106120558 A CN106120558 A CN 106120558A
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- CN
- China
- Prior art keywords
- wrapped
- strand
- band
- suspension bridge
- main
- 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.)
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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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to the sizing tape wrap structure of a kind of main rope of suspension bridge strand, including strand, the cross section pre-setting of strand, have the main band that is wrapped, the main band contact portion band glue with strand steel wire that is wrapped along strand length direction interval uniform winding；At least have an auxiliary band that is wrapped at the be wrapped side additional windings of band of each master being positioned at strand head, auxiliary be wrapped band near or be close to described master and be wrapped band, and this auxiliary being wrapped carries and contact portion of strand steel wire is without glue.The present invention solves main cable strand head and is wrapped with loose even disconnected and a difficult problem for dragline stock not molding.
Description
Technical field
The present invention relates to the sizing tape wrap structure of main rope of suspension bridge strand.
Background technology
Suspension bridge is mainly made up of anchorage, king-tower, main push-towing rope, bridge floor, and the load that bridge floor bears passes to main push-towing rope through suspension rod, then
The anchorage at king-tower and two ends is reached by main push-towing rope.Main push-towing rope is the main force structure of hanging steel box-girder, and it is the life line of bridge, its
Importance is self-evident.
Main rope of suspension bridge is made up of tens of the most hundreds of main cable strands, strand be by some steel wires (per share 91 or
127) carry out molding of pooling capital.These strands are the most prefabricated, two ends anchoring hot-cast anchor.Ensure that strand is long with standard silk during making
Degree precision, adjusts sag and anchor span tension force during erection.The method is relative to the American-European method that spins in the air, because can obtain less
Main push-towing rope voidage, product quality in factory i.e. controllable, easy construction and used by vast engineering.
At present, after the strand of molding needs to coil in advance, then it is transported to job location, coils at internal layer strand head
Portion is relative to coiling the strand at outer layer, and it is less that it coils internal diameter, after the strand of this part is released, it may appear that strand not molding,
Be wrapped the situation with loose even broken belt, and is easily caused the increasing of Hawser voidage after accumulating Hawser.
Summary of the invention
The technical problem to be solved is to provide determining of a kind of main rope of suspension bridge strand for above-mentioned prior art
Type tape wrap structure, improves main cable strand, especially coils the fixed effect of strand head at internal layer, it is to avoid strand becomes after releasing
Type destroys, the situation with loose even broken belt that is wrapped occurs.
The present invention solves the technical scheme that the problems referred to above are used: the sizing tape wrap knot of a kind of main rope of suspension bridge strand
Structure, including strand, the cross section pre-setting of described strand, has the main band that is wrapped, described master along strand length direction interval uniform winding
Be wrapped the band contact portion band glue with strand steel wire；At least each master being positioned at strand head be wrapped band side additional windings have
The auxiliary band that is wrapped, described auxiliary be wrapped band near or be close to described master and be wrapped band, and contact portion of this auxiliary be wrapped band and strand steel wire
Without glue.
Preferably, described master be wrapped band the winding number of plies be 7～10 layers.The auxiliary winding number of plies being wrapped band is 7～10 layers.
Preferably, described strand head refers to 120～180m first coiled.
Preferably, adjacent described master be wrapped band be spaced apart 1.2～1.5m.
The auxiliary band that is wrapped of the different main band sides that are wrapped is respectively positioned on the same side of the corresponding main band that is wrapped.
Preferably, described in be wrapped band width be 30～50mm, the stretching resistance of thickness >=0.10mm, 10mm bandwidth >=
250N, elongation percentage >=3%.
Compared with prior art, it is an advantage of the current invention that: the sizing devising a kind of new main rope of suspension bridge strand twines
Band structure solves main cable strand head and is wrapped with loose even disconnected and a difficult problem for dragline stock not molding.The application is at rope processed
Time strand head (about the 150m length first coiled) is wrapped band be adjusted to 1.5m twice (and twice phase together by original 1.5m
Even), the tape wrap number of plies is identical with former tape wrap, and the auxiliary band that is wrapped set up is glue-free with steel wire contact portion, and setting up position unified is former twining
Such as right side, the same side of package location.
Accompanying drawing explanation
Fig. 1 is strand sizing tape wrap structure in the embodiment of the present invention；
Fig. 2 is the schematic cross-section in the embodiment of the present invention at the main band that is wrapped；
Fig. 3 is the schematic cross-section in the embodiment of the present invention at the auxiliary band that is wrapped；
1 anchorage, the 2 main bands that are wrapped, 3, the auxiliary band that is wrapped, 4 strands.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in Figures 1 to 3, the sizing tape wrap structure of the main rope of suspension bridge strand in the present embodiment, including 4 strands of rope, strand 4
There is regular hexagonal section, the cross section pre-setting of described strand 4, have the main band that is wrapped along strand 4 length direction interval uniform winding
2, adjacent main be wrapped with 2 spacing distance be 1.5m.The main contact portion band glue with 2 Yu strand steel wire that is wrapped.It is being positioned at strand
Each master of head be wrapped with 2 right side additional windings have the auxiliary band 3 that is wrapped, strand head refers to the 150m strand first coiled.Described
The main band 2 that is wrapped is close to by the auxiliary band 3 that is wrapped, and the contact portion of this auxiliary be wrapped band 3 and strand steel wire is without glue.
Above-mentioned master be wrapped with 2 the winding number of plies be 8 layers.Auxiliary be wrapped with 3 the winding number of plies be 8 layers.
The important technological parameters carried that is wrapped in the present embodiment is as shown in table 1.
Table 1
The present invention solves main cable strand head and is wrapped with loose even disconnected and a difficult problem for dragline stock not molding.The application be
The band that is wrapped by strand head (about the 150m length first coiled) during rope processed is adjusted to 1.5m twice (and two together by original 1.5m
Road is connected), the tape wrap number of plies is identical with former tape wrap, and the auxiliary band that is wrapped set up is glue-free with steel wire contact portion.
In addition to the implementation, present invention additionally comprises other embodiments, all employing equivalents or equivalence to replace
The technical scheme that mode is formed, all should fall within the scope of the hereto appended claims.
Claims (7)
1. the sizing tape wrap structure of a main rope of suspension bridge strand, it is characterised in that: including strand, the cross section of described strand makes a reservation for
Type, has the main band that is wrapped along strand length direction interval uniform winding, and described master is wrapped and carries the contact portion band glue with strand steel wire；
At least having an auxiliary band that is wrapped at the be wrapped side additional windings of band of each master being positioned at strand head, the described auxiliary band that is wrapped is close or is close to
Described master is wrapped band, and this auxiliary band contact portion with strand steel wire that is wrapped is without glue.
The sizing tape wrap structure of main rope of suspension bridge strand the most according to claim 1, it is characterised in that: described master is wrapped band
The winding number of plies be 7～10 layers.
The sizing tape wrap structure of main rope of suspension bridge strand the most according to claim 1, it is characterised in that: the described auxiliary band that is wrapped
The winding number of plies be 7～10 layers.
The sizing tape wrap structure of main rope of suspension bridge strand the most according to claim 1, it is characterised in that: described strand head
Refer to 120～180m first coiled.
The sizing tape wrap structure of main rope of suspension bridge strand the most according to claim 1, it is characterised in that: adjacent described master twines
Band be spaced apart 1.2～1.5m.
The sizing tape wrap structure of main rope of suspension bridge strand the most according to claim 1, it is characterised in that: the different main bands that are wrapped
The auxiliary band that is wrapped of side is respectively positioned on the same side of the corresponding main band that is wrapped.
The sizing tape wrap structure of main rope of suspension bridge strand the most according to claim 1, it is characterised in that be wrapped described in: band
Width is 30～50mm, the stretching resistance >=250N of thickness >=0.10mm, 10mm bandwidth, elongation percentage >=3%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610654960.9A CN106120558A (en) | 2016-08-11 | 2016-08-11 | A kind of sizing tape wrap structure of main rope of suspension bridge strand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610654960.9A CN106120558A (en) | 2016-08-11 | 2016-08-11 | A kind of sizing tape wrap structure of main rope of suspension bridge strand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106120558A true CN106120558A (en) | 2016-11-16 |
Family
ID=57259187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610654960.9A Pending CN106120558A (en) | 2016-08-11 | 2016-08-11 | A kind of sizing tape wrap structure of main rope of suspension bridge strand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106120558A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5928789B2 (en) * | 1978-03-10 | 1984-07-16 | 株式会社神戸製鋼所 | Suspension bridge cable cable band |
| CN2564612Y (en) * | 2002-03-12 | 2003-08-06 | 重庆交通科学研究设计院 | Main cable with auxiliary coiling strip |
| CN105442450A (en) * | 2015-11-21 | 2016-03-30 | 江苏法尔胜缆索有限公司 | Manufacturing method and saddling method for preformed cable strand of main cable of suspension bridge |
| CN105755956A (en) * | 2016-04-29 | 2016-07-13 | 重庆万桥交通科技发展有限公司 | Novel stay cable for cable-stayed bridge |
| CN205934725U (en) * | 2016-08-11 | 2017-02-08 | 江苏法尔胜缆索有限公司 | Suspension bridge main push -towing rope strand's design tape wrap structure |
-
2016
- 2016-08-11 CN CN201610654960.9A patent/CN106120558A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5928789B2 (en) * | 1978-03-10 | 1984-07-16 | 株式会社神戸製鋼所 | Suspension bridge cable cable band |
| CN2564612Y (en) * | 2002-03-12 | 2003-08-06 | 重庆交通科学研究设计院 | Main cable with auxiliary coiling strip |
| CN105442450A (en) * | 2015-11-21 | 2016-03-30 | 江苏法尔胜缆索有限公司 | Manufacturing method and saddling method for preformed cable strand of main cable of suspension bridge |
| CN105755956A (en) * | 2016-04-29 | 2016-07-13 | 重庆万桥交通科技发展有限公司 | Novel stay cable for cable-stayed bridge |
| CN205934725U (en) * | 2016-08-11 | 2017-02-08 | 江苏法尔胜缆索有限公司 | Suspension bridge main push -towing rope strand's design tape wrap structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161116 |