CN205934725U - Suspension bridge main push -towing rope strand's design tape wrap structure - Google Patents
Suspension bridge main push -towing rope strand's design tape wrap structure Download PDFInfo
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- CN205934725U CN205934725U CN201620866614.2U CN201620866614U CN205934725U CN 205934725 U CN205934725 U CN 205934725U CN 201620866614 U CN201620866614 U CN 201620866614U CN 205934725 U CN205934725 U CN 205934725U
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Abstract
The utility model relates to a suspension bridge main push -towing rope strand's design tape wrap structure, including strand, strand's cross -section pre -setting, it has the main band that twines to follow the even winding in strand length direction interval, and glue in the main contact segment area that twines band and strand steel wire, the at least respectively main extra winding in one side that twines the band that is lieing in the strand head has the assistance to twine the band, and the assistance twines the band and is close to or hugs closely main twine the band, and the contact segment that this assistances twined band and strand steel wire does not take glue. The utility model provides a main push -towing rope strand head twine the band and loose or even disconnected and lead the not fashioned difficult problem of strand.
Description
Technical field
This utility model is related 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
Reach the anchorage at king-tower and two ends 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 a tens of or even hundreds of main cable strand, and strand is by some steel wires（Per share 91 or
127）Carry out molding of pooling capital.These strands are prefabricated in advance, two ends anchoring hot-cast anchor.Ensure that strand is long with standard silk during making
Degree precision, adjustment sag and anchor span tension force during erection.The method is with respect to the American-European method that spins in the air, because can obtain less
Main push-towing rope voidage, product quality in factory be controllable, easy construction and adopted by vast engineering.
At present, after the strand of molding needs to coil in advance, then it is transported to job location, coil in internal layer strand head
With respect to the strand coiled in outer layer, it is less that it coils internal diameter in portion, after the strand of this part is released it may appear that strand not molding,
Be wrapped the situation with loose or even broken belt, and is easily caused the increasing of Hawser voidage after accumulating Hawser.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of main rope of suspension bridge strand for above-mentioned prior art
Sizing tape wrap structure, improve main cable strand, especially coil the fixed effect of the strand head in internal layer, it is to avoid strand release
Aftershaping destroys, being wrapped occurs with loose or even broken belt situation.
The technical scheme in the invention for solving the above technical problem is：A kind of sizing tape wrap of main rope of suspension bridge strand
Structure, including strand, the section pre-setting of described strand, has the main band that is wrapped along strand length direction interval uniform winding, described
Main band and the contact portion band glue of strand steel wire of being wrapped；At least be wrapped the side additional windings of band in each master positioned at strand head
Have an auxiliary band that is wrapped, described auxiliary be wrapped band near or be close to described master and be wrapped band, and contact site of this auxiliary be wrapped band and strand steel wire
Divide without glue.
Preferably, described master be wrapped band the winding number of plies be 7～10 layers.The winding number of plies of the auxiliary band that is wrapped is 7～10 layers.
Preferably, described strand head refers to the 120～180m first coiling.
Preferably, what adjacent described master was wrapped band is spaced apart 1.2～1.5m.
The different main auxiliary bands that are wrapped with side that are wrapped are respectively positioned on the phase homonymy of the accordingly main band that is wrapped.
Preferably, the width of the described band that is wrapped is 30～50mm, thickness >=0.10mm, the stretching resistance of 10mm bandwidth >=
250N, elongation percentage >=3%.
Compared with prior art, the utility model has the advantage of：Devise a kind of determining of new main rope of suspension bridge strand
Type tape wrap structure solves main cable strand head and is wrapped with loose or even disconnected and dragline stock not molding a difficult problem.The application be
By strand head during rope processed（The 150m first coiling about length）The band that is wrapped is adjusted to 1.5m twice together by original 1.5m（And two
Road is connected）, the tape wrap number of plies is identical with former tape wrap, auxiliary be wrapped band and the steel wire contact portion no glue set up, and setting up position unification is
The same side such as right side of the former position that is wrapped.
Brief description
Fig. 1 is strand sizing tape wrap structure in this utility model embodiment；
Fig. 2 is the schematic cross-section at the main band that is wrapped in this utility model embodiment；
Fig. 3 is the schematic cross-section at the auxiliary band that is wrapped in this utility model embodiment；
1 anchorage, 2 master be wrapped bands, 3, the auxiliary band that is wrapped, 4 strands.
Specific embodiment
Below in conjunction with accompanying drawing embodiment, this utility model 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 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 and strand steel wire that is wrapped.Positioned at strand
Each master of head is wrapped has the auxiliary band 3 that is wrapped with 2 right side additional windings, and strand head refers to the 150m strand first coiled.Described
The auxiliary band 3 that is wrapped is close to master and is wrapped band 2, 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.
Be wrapped in the present embodiment band important technological parameters as shown in table 1.
Table 1
This utility model solves main cable strand head and is wrapped with loose or even disconnected and dragline stock not molding a difficult problem.This
Application is by strand head in rope processed（The 150m first coiling about length）The band that is wrapped is adjusted to 1.5m together by original 1.5m
Twice（And twice are connected）, the tape wrap number of plies is identical with former tape wrap, auxiliary band and the steel wire contact portion no glue of being wrapped set up.
In addition to the implementation, this utility model also includes other embodiment, all employing equivalents or equivalent
The technical scheme that substitute mode is formed, all should fall within this utility model scope of the claims.
Claims (7)
1. a kind of main rope of suspension bridge strand sizing tape wrap structure it is characterised in that：Including strand, the section of described strand makes a reservation for
Type, has master to be wrapped band along strand length direction interval uniform winding, and described master is wrapped the contact portion band glue of band and strand steel wire；
At least have an auxiliary band that is wrapped in the be wrapped side additional windings of band of each master positioned at strand head, described auxiliary be wrapped band near or be close to
Described master is wrapped band, and this auxiliary band that is wrapped with the contact portion of strand steel wire without glue.
2. main rope of suspension bridge strand according to claim 1 sizing tape wrap structure it is characterised in that：Described master is wrapped band
The winding number of plies be 7～10 layers.
3. main rope of suspension bridge strand according to claim 1 sizing tape wrap structure it is characterised in that：The described auxiliary band that is wrapped
The winding number of plies be 7～10 layers.
4. main rope of suspension bridge strand according to claim 1 sizing tape wrap structure it is characterised in that：Described strand head
Refer to the 120～180m first coiling.
5. main rope of suspension bridge strand according to claim 1 sizing tape wrap structure it is characterised in that：Adjacent described master twines
Band be spaced apart 1.2～1.5m.
6. main rope of suspension bridge strand according to claim 1 sizing tape wrap structure 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 phase homonymy of the accordingly main band that is wrapped.
7. main rope of suspension bridge strand according to claim 1 sizing tape wrap structure it is characterised in that：The described band that is wrapped
Width is 30～50mm, thickness >=0.10mm, the stretching resistance >=250N of 10mm bandwidth, elongation percentage >=3%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620866614.2U CN205934725U (en) | 2016-08-11 | 2016-08-11 | Suspension bridge main push -towing rope strand's design tape wrap structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620866614.2U CN205934725U (en) | 2016-08-11 | 2016-08-11 | Suspension bridge main push -towing rope strand's design tape wrap structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205934725U true CN205934725U (en) | 2017-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620866614.2U Active CN205934725U (en) | 2016-08-11 | 2016-08-11 | Suspension bridge main push -towing rope strand's design tape wrap structure |
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| CN (1) | CN205934725U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106120558A (en) * | 2016-08-11 | 2016-11-16 | 江苏法尔胜缆索有限公司 | A kind of sizing tape wrap structure of main rope of suspension bridge strand |
-
2016
- 2016-08-11 CN CN201620866614.2U patent/CN205934725U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106120558A (en) * | 2016-08-11 | 2016-11-16 | 江苏法尔胜缆索有限公司 | A kind of sizing tape wrap structure of main rope of suspension bridge strand |
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