CN208844425U - The anchor structure of superhigh intensity major diameter steel wire main cable strand - Google Patents
The anchor structure of superhigh intensity major diameter steel wire main cable strand Download PDFInfo
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- CN208844425U CN208844425U CN201820685331.7U CN201820685331U CN208844425U CN 208844425 U CN208844425 U CN 208844425U CN 201820685331 U CN201820685331 U CN 201820685331U CN 208844425 U CN208844425 U CN 208844425U
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Abstract
The utility model relates to a kind of anchor structures of superhigh intensity major diameter steel wire main cable strand, the main push-towing rope steel wire of main cable strand end scatters in cone, the end dispersion of main push-towing rope steel wire is threaded through on wire sub-panel, and the end of part main push-towing rope steel wire is processed as heading, heading diameter is not less than 1.4 times of steel wire diameter, and heading height is not less than steel wire diameter；Exhaust passage is provided on the wire sub-panel, main push-towing rope steel wire and wire sub-panel are anchored in together in taper anchoring body.The application can match the filling anchor material construction of good fluidity, facilitate the bond length of extension steel wire, reserved anchorage length is compared shorter using the anchorage length reserved needed for other anchoring materials, and then the size of anchorage can be reduced, anchor is filled convenient for anchoring melt, bond length is improved, compactness is improved.
Description
Technical field
The utility model relates to the anchor structures of bridge cable strand.
Background technique
Main cable strand is the main force structure of suspension bridge, and steel wire is the basic force-summing element of main cable strand.If suspension bridge
The quantity for 1) reducing strand is had the advantage that using the major diameter high tensile steel wire main cable strand of 127- ￠ 6mm-2060MPa, is subtracted
The space used is anchored less, reduces the scale of anchorage；2) the meter contact area for reducing steel wire and air, improves main push-towing rope itself
Corrosion resistance；3) overall volume of zinc aluminum alloy coating in main push-towing rope or zinc coating and bright steel wire ratio is reduced about
60%, influence of the factors such as allumen and pure zinc creep to main push-towing rope cord clip is reduced, the resistant slide ability of cord clip is improved.But
Major diameter steel wire is since the contact area of strength enhancing and steel wire and cast material is reduced, previous steel tendon bond length (experience
Value) requirements above is no longer satisfied, so needing to improve the bond length of major diameter steel wire and cast material to ensure strand
Anchoring reliability.
Under conditions of main cable strand cable body and qualified anchorage component, the anchoring material and casting process of hot casting anchor are determined
The anchorage reliability of hot-cast anchor cable.
(1) specification strand big for ￠ 6mm-2060MPa, since its anchorage is longer than the anchorage of traditional strand, it is therefore desirable to
Cast alloys have good mobility, to guarantee to fill up cast material between the steel wire in anchorage as far as possible, and realize its anchor
Gu reliability.
(2) for superhigh intensity major diameter steel wire strand, since strand intensity increases, corresponding anchorage length also has
It is improved, the mobility of the alloy of anchoring material is more preferable, in the case, it should be noted that the timely exclusion of anchoring procedure gas.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of anchoring of main cable strand for the above-mentioned prior art
Structure is suitable for the anchoring of major diameter steel wire main cable strand.
A kind of the technical scheme in the invention for solving the above technical problem are as follows: superhigh intensity major diameter steel wire main rope
The anchor structure of stock, the main push-towing rope steel wire of main cable strand end scatter in cone, and the end dispersion of main push-towing rope steel wire is threaded through sub-wire
On plate, and the end of part main push-towing rope steel wire is processed as heading, and heading diameter is not less than 1.4 times of steel wire diameter, and heading height is not
Less than steel wire diameter；Exhaust passage is provided on the wire sub-panel, main push-towing rope steel wire and wire sub-panel are anchored in taper anchoring together
In vivo.
Preferably, the wire sub-panel with a thickness of 1.5mm to 3mm, guarantee that strand sub-wire is uniform.
Preferably, the wire sub-panel is center symmetrical structure, it is ensured that main push-towing rope steel wire is evenly distributed on wire sub-panel.
Preferably, the exhaust passage is located at wire sub-panel center, it is ensured that the gas in casting process is discharged in time, keeps away
Exempt to form shrinkage cavity.Heading steel wire is evenly distributed on wire sub-panel edge, and is located at exhaust passage periphery, and heading is mainly for fixing
The position of wire sub-panel, heading steel wire are evenly arranged in bean vermicelli plate periphery and center, make sub-wire Board position constant.
Length in main push-towing rope steel wire embedment taper anchoring body reaches the 3/4 of main push-towing rope steel wire fall-out length, to high-intensitive, superelevation
Intensity steel wire forms enough bond lengths, provides to reduce high-intensitive major diameter steel wire strand anchorage length, reducing anchorage size
Advantage.
Compared with the prior art, the advantages of the utility model are: providing a kind of superhigh intensity major diameter steel wire main cable
The anchor structure of strand, the application can match the filling anchor material construction of good fluidity, facilitate the bond length for extending steel wire,
It is shorter that reserved anchorage length compares the anchorage length reserved needed for using other anchoring materials, and then can reduce the ruler of anchorage
It is very little, anchor is filled convenient for anchoring melt, bond length is improved, improves compactness.
Detailed description of the invention
Fig. 1 is the preparation schematic diagram that main cable strand fills before anchor in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of heading steel wire in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of sub-wire plate end face in the embodiment of the present invention；
Fig. 4 is the schematic diagram that main cable strand fills after anchor in the embodiment of the present invention.
1 heading steel wire, 2 wire sub-panels, 3 main push-towing rope steel wires, 4 main cable strands, 5 anchoring bodys, 6 exhaust passages.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
As shown in Figure 1-3, the anchor structure of the superhigh intensity major diameter steel wire main cable strand in the present embodiment is main rope
The main push-towing rope steel wire 3 of 4 ends of stock scatters in cone, and the end dispersion of main push-towing rope steel wire 3 is threaded through on wire sub-panel 2, sets on wire sub-panel 2
It is equipped with exhaust passage 6, exhaust passage 6 is located at 2 center of wire sub-panel, and heading steel wire 1 is evenly distributed on 2 edge of wire sub-panel, and
Positioned at 6 periphery of exhaust passage, heading is fixed mainly for the position to wire sub-panel, and heading steel wire is evenly arranged in bean vermicelli plate
Periphery and center, allow wire sub-panel uniform force.
As shown in Fig. 2, the heading diameter of heading steel wire is not less than 1.4 times of steel wire diameter, heading height is not less than steel wire
Diameter.
Above-mentioned wire sub-panel with a thickness of 1.5mm to 3mm, guarantee that strand sub-wire is uniform.
Above-mentioned wire sub-panel is center symmetrical structure, forms leak hole between wire sub-panel periphery and its circumscribed circle.
As shown in figure 4, main push-towing rope steel wire and wire sub-panel are anchored in together in taper anchoring body 5.Main push-towing rope steel wire is embedded to taper
Intracorporal length reaches main push-towing rope steel wire fall-out length 3/4 is anchored, high-intensitive, extra-high strength wire is formed and bonds length enough
Degree.
The corresponding filling anchor method of above-mentioned anchor structure carries out in accordance with the following steps:
(1) it will be put into heating furnace and melt according to the alloy pig of formula melting, form alloy molten solution: will according to theoretical calculation
Zn-Cu2% and Zn-Al10%, Zn-Al15%, Zn-Al30% alloy pig are arranged in pairs or groups according to a certain percentage, are put into heating furnace, are added
Heat is melted and is sufficiently stirred；Mg and rare earth element are dilute with Zn-Al10%-Mg- according to the flowing implementations of alloy in actual production
The formal character addition of soil, Zn-Al15%-Mg- rare earth, Zn-Al30%-Mg- rare earth alloy ingot；It is measured in melt after stirring
Each element whether meet design requirement, be such as unsatisfactory for, the fine tuning of alloying component can be carried out by adding relevant alloy pig,
Until melt ingredient reaches related request；The formula of alloy molten solution is Al 2.0%~5.0%, Cu 1.6%~2.0%, Mg
0.001~0.005%, rare earth element 0.001~0.2%, remaining is zinc, and magnesium elements and rare earth element can be same in the above formula
Shi Tianjia, also the property of can choose is added, cast temperature: 440 DEG C to 460 DEG C.
(2) by anchorage installation to strand, the steel wire in anchorage is formed separately " broom " shape (divergent shape of taper), it can
Part steel wire is carried out heading by selection, and heading diameter is not less than 1.4 times of steel wire diameter, and heading height is not less than steel wire diameter,
It may be selected to guarantee that strand sub-wire is uniform using the wire sub-panel with a thickness of 1.5mm~3mm, exhaust passage is arranged on wire sub-panel, it is ensured that
Gas discharge in casting process, avoids the formation of shrinkage cavity.
(3) the leak stopping sealing of anchorage bottom is carried out using heat-resisting material, and preheats and scoops packet, makes its temperature not less than alloy
The half of melt temperature.
(4) be cast in, be cast in anchorage carry out percussion, by alloy molten solution gas be discharged, prevent during filling anchor
Gas is introduced, the compactness of alloy is improved.
(5) shrinkage hole will be formed after alloy is cast in, and not only influence intensity but also influenced beautiful, it is therefore necessary to supplementary irrigation is carried out,
Supplementary irrigation opportunity is selected in the state that the alloy in shrinkage hole reaches initial set.
(6) cooling cast alloys after being cooled to 80 DEG C or less, anchorage are removed from filling anchor rack and is pressed.
The application devises a kind of anchor structure, can be with stream the characteristics of for high-intensitive major diameter steel wire main cable strand
The good anchoring material cooperation of dynamic property, forms the steel wire anchoring structure with longer bond length, helps to improve the cause of anchoring body
Density reduces body of casting shrinkage cavity, improves anchoring efficiency.
In addition to the implementation, the utility model further includes having other embodiments, all to use equivalents or equivalent
The technical solution that alternative is formed, should all fall within the protection scope of the utility model claims.
Claims (5)
1. a kind of anchor structure of superhigh intensity major diameter steel wire main cable strand, it is characterised in that: the main push-towing rope of main cable strand end
Steel wire scatters in cone, and the end dispersion of main push-towing rope steel wire is threaded through on wire sub-panel, and the end of part main push-towing rope steel wire is processed as
Heading, heading diameter are not less than 1.4 times of steel wire diameter, and heading height is not less than steel wire diameter；It is provided on the wire sub-panel
Exhaust passage, main push-towing rope steel wire and wire sub-panel are anchored in together in taper anchoring body.
2. the anchor structure of superhigh intensity major diameter steel wire main cable strand according to claim 1, it is characterised in that: described
Wire sub-panel with a thickness of 1.5mm to 3mm.
3. the anchor structure of superhigh intensity major diameter steel wire main cable strand according to claim 1, it is characterised in that: described
Wire sub-panel is center symmetrical structure.
4. the anchor structure of superhigh intensity major diameter steel wire main cable strand according to claim 1, it is characterised in that: described
Exhaust passage is located at wire sub-panel center, and heading steel wire is evenly distributed on wire sub-panel edge, and is located at exhaust passage periphery.
5. the anchor structure of superhigh intensity major diameter steel wire main cable strand according to claim 1, it is characterised in that: main push-towing rope
Length in steel wire embedment taper anchoring body reaches the 3/4 of main push-towing rope steel wire fall-out length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820685331.7U CN208844425U (en) | 2018-05-09 | 2018-05-09 | The anchor structure of superhigh intensity major diameter steel wire main cable strand |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820685331.7U CN208844425U (en) | 2018-05-09 | 2018-05-09 | The anchor structure of superhigh intensity major diameter steel wire main cable strand |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110538984A (en) * | 2019-09-11 | 2019-12-06 | 广东迈诺工业技术有限公司 | ultrahigh-strength large-diameter steel wire main cable strand anchoring material and anchoring method |
| CN112482222A (en) * | 2020-11-16 | 2021-03-12 | 上海浦江缆索股份有限公司 | Main cable strand with zinc-aluminum-magnesium alloy coating steel wire and assembling method thereof |
| CN113585070A (en) * | 2020-04-30 | 2021-11-02 | 上海浦江缆索股份有限公司 | Ultrahigh-strength fatigue-resistant zinc-aluminum-magnesium coating suspension bridge main cable strand |
-
2018
- 2018-05-09 CN CN201820685331.7U patent/CN208844425U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110538984A (en) * | 2019-09-11 | 2019-12-06 | 广东迈诺工业技术有限公司 | ultrahigh-strength large-diameter steel wire main cable strand anchoring material and anchoring method |
| CN110538984B (en) * | 2019-09-11 | 2021-04-23 | 广东迈诺工业技术有限公司 | Preparation and anchor grouting method of ultrahigh-strength large-diameter steel wire main cable strand anchoring material |
| CN113585070A (en) * | 2020-04-30 | 2021-11-02 | 上海浦江缆索股份有限公司 | Ultrahigh-strength fatigue-resistant zinc-aluminum-magnesium coating suspension bridge main cable strand |
| CN112482222A (en) * | 2020-11-16 | 2021-03-12 | 上海浦江缆索股份有限公司 | Main cable strand with zinc-aluminum-magnesium alloy coating steel wire and assembling method thereof |
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