CN220867983U - Semi-parallel carbon fiber rib inhaul cable - Google Patents
Semi-parallel carbon fiber rib inhaul cable Download PDFInfo
- Publication number
- CN220867983U CN220867983U CN202322616939.8U CN202322616939U CN220867983U CN 220867983 U CN220867983 U CN 220867983U CN 202322616939 U CN202322616939 U CN 202322616939U CN 220867983 U CN220867983 U CN 220867983U
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- Prior art keywords
- carbon fiber
- anchor
- sealing
- semi
- sleeve
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 91
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 91
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 238000007789 sealing Methods 0.000 claims abstract description 46
- 238000001125 extrusion Methods 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 238000004873 anchoring Methods 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 238000005266 casting Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 5
- 239000004593 Epoxy Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 210000002435 tendon Anatomy 0.000 claims 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 2
- 229910052799 carbon Inorganic materials 0.000 claims 2
- 239000000835 fiber Substances 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 6
- 238000010008 shearing Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 3
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 description 11
- 210000003205 muscle Anatomy 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Landscapes
- Ropes Or Cables (AREA)
Abstract
The utility model discloses a semi-parallel carbon fiber rib inhaul cable which comprises a carbon fiber rib cable body, wherein the periphery of a first end of a screwed plug is in sealing connection with the inner side of a first end of a sealing sleeve, a sealing constraint ring is tightly arranged at the joint of the first end of the screwed plug and the sealing sleeve, the periphery of a second end of the sealing sleeve is in sealing connection with the inner side of a first end of an anchor cup, a wire-dividing anchor plate is connected inside the second end of the anchor cup, part of the carbon fiber rib cable body extending to the sealing sleeve and the anchor cup is divided into a plurality of carbon fiber single strands, the plurality of carbon fiber single strands sequentially penetrate out correspondingly from a plurality of wire-dividing holes on the surface of the wire-dividing anchor plate, and the part of the plurality of carbon fiber single strands penetrating out of the wire-dividing holes is sleeved with an extrusion steel sleeve. According to the utility model, the extrusion steel sleeve is tightly sleeved at the end part of the single carbon fiber strand, so that the radial damage of the inhaul cable to the carbon fiber ribs in the use process can be reduced, the extrusion steel sleeve is arranged into a plurality of independent small steel sleeves, the extrusion flexibility is increased, the anchoring coefficient is enhanced, and the defects of poor shearing resistance and fragility of the carbon fiber ribs are effectively overcome.
Description
Technical Field
The utility model relates to the technical field of inhaul cables, in particular to a semi-parallel carbon fiber reinforced inhaul cable.
Background
For a large-span cable-stayed bridge, a guy cable is a critical stress bearing component in a structural system of the cable-stayed bridge. In the service period, the components are not only in a high-stress state for a long time, but also are subjected to severe service environment, so that the phenomena of fatigue, corrosion, even failure and the like are very common, the normal service capacity of the infrastructure is seriously influenced, the service life is shortened, and serious direct and indirect economic losses can be caused, so that great social influence is caused. Therefore, in order to prolong the service life of the inhaul cable and ensure the safety of the inhaul cable, effective measures must be taken to reduce the corrosion damage degree of the inhaul cable.
At present, semi-parallel steel wire bundle inhaul cables or sealing ropes are usually adopted in the domestic prestress occasion of the space structure, high-strength steel wires are adopted in the inhaul cable body of the type, the tensile strength is generally 1570MPa or 1670MPa, the dead weight of the inhaul cable is larger, and the load of the whole structure is larger.
The carbon fiber is a novel composite material, has the excellent performances of light weight, high strength, no corrosion, corrosion resistance, fatigue resistance, low thermal expansion coefficient, good shock absorption performance and the like, and can fundamentally solve the problems of poor fatigue resistance and corrosion resistance of a steel cable, lighten the dead weight of the cable, improve the space structure and bridge span and reduce the size of a lower structure when the carbon fiber composite material rib is used for the cable component in a cable bridge with a large span. However, the carbon fiber reinforced cable has poor shearing resistance, is easy to break and destroy, and is difficult to anchor by adopting the traditional anchorage device.
Disclosure of utility model
Aiming at the technical problems in the background art, the utility model provides a semi-parallel carbon fiber reinforced inhaul cable.
The utility model adopts the following technical scheme: a semi-parallel carbon fiber rib inhaul cable comprises a carbon fiber rib rope body, a screwed plug, a sealing sleeve and an anchor cup;
the screwed plug, the sealing sleeve and the anchor cup are provided with through holes for penetrating the carbon fiber reinforced cable body;
The periphery of the first end of the plug is in sealing connection with the inner side of the first end of the sealing sleeve, and a sealing constraint ring is tightly arranged at the joint of the first end and the sealing sleeve;
the periphery of the second end of the sealing sleeve is in sealing connection with the inner side of the first end of the anchor cup;
the second end of the anchor cup is internally connected with a wire-dividing anchor plate;
one end of the carbon fiber reinforced cable body penetrates into the plug and is in sealing connection with the plug;
The part of the carbon fiber reinforcement cable body extending to the sealing sleeve and the anchor cup is divided into a plurality of carbon fiber single strands;
A plurality of carbon fiber single strands are arranged in parallel;
A plurality of carbon fiber single strands correspondingly penetrate out from a plurality of wire dividing holes on the plate surface of the wire dividing anchor plate in sequence;
The part of the carbon fiber single strand penetrating out of the wire dividing hole is sleeved with an extrusion steel sleeve;
And gaps among the sealing sleeve, the inside of the anchor cup and the carbon fiber single strands are filled with cold casting materials for anchoring.
Further, an outer extrusion sleeve is arranged at the joint of the second end of the plug and the carbon fiber reinforced cable body; the carbon fiber reinforced rope body section matched with the outer extrusion sleeve is provided with an adhesive.
Further, an anchor nut is sleeved on the periphery of the anchor cup.
Further, the extrusion steel sleeve is divided into a plurality of independent sub-steel sleeves connected in series.
Further, an O-shaped sealing ring is arranged at the joint of the sealing sleeve and the anchor cup.
Further, the chill casting material is epoxy mortar.
Further, the wire-dividing anchor plate is a round plate surface, the center of the plate surface is provided with a mounting positioning hole, and grouting holes are formed in two sides of the positioning hole; the plurality of wire dividing holes are arranged around the positioning holes in an array mode.
Compared with the prior art, the utility model has the advantages that: according to the semi-parallel carbon fiber rib inhaul cable, the extrusion steel sleeve is tightly sleeved at the end part of the single carbon fiber strand, so that the radial damage of the inhaul cable to the carbon fiber ribs in the using process can be reduced, meanwhile, the extrusion steel sleeve is arranged into a plurality of independent small steel sleeves, the extrusion flexibility is improved, the anchoring coefficient is enhanced, and the defects of poor shearing capacity and fragility of the carbon fiber ribs are effectively overcome. In addition, extrude the carbon fiber muscle cable body outside the plug through outer extrusion cover to evenly paint the binder at outer extrusion cover complex carbon fiber muscle cable body section, can reduce the radial damage to the carbon fiber muscle through the use of binder, increase anchor structure again in anchor cup outer end simultaneously, thereby can realize improving the anchor performance when not damaging the carbon fiber muscle.
Drawings
FIG. 1 is a cross-sectional view of an embodiment of a semi-parallel carbon fiber reinforced cable of the present utility model;
Fig. 2 is a schematic view of the overall structure of the split anchor plate of the present utility model.
Wherein: 1-anchor cup, 2-split anchor plate, 3-anchor nut, 4-sealing sleeve, 5-sealing constraint ring, 6-carbon fiber reinforcement cable body, 7-extrusion steel sleeve, 8-screw plug, 9-chill casting, 10-external extrusion sleeve, 11-O-shaped sealing ring,
21-Positioning holes, 22-thread dividing holes, 23-grouting holes,
61-Carbon fiber single strand.
Detailed Description
In the following, in order to facilitate the understanding of the technical solutions of the present utility model by a person skilled in the art, reference will be made to the accompanying drawings for further description. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model.
In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the utility model. It may be evident, however, that one or more embodiments may be practiced without these specific details. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
Referring to fig. 1, which is a cross-sectional view of an embodiment of a semi-parallel carbon fiber reinforced cable of the present utility model, the embodiment includes a carbon fiber reinforced cable body 6, a plug 8, a sealing sleeve 4 and an anchor cup 1, wherein an anchor nut 3 is sleeved on the outer periphery of the anchor cup 1. Wherein, the plug 8, the sealing sleeve 4 and the anchor cup 1 are all provided with through holes for penetrating the carbon fiber reinforcement cable 6. The periphery of the first end of the plug 8 is in sealing connection with the inner side of the first end of the sealing sleeve 4, and specifically, the plug can be connected by adopting a threaded structure. And a sealing constraint ring 5 is tightly arranged at the joint of the two, the periphery of the second end of the sealing sleeve 4 is in sealing connection with the inner side of the first end of the anchor cup 1, and the second end of the anchor cup 1 is internally connected with the wire-dividing anchor plate 2. One end of the carbon fiber reinforced rope body 6 penetrates into the plug 8 and forms sealing connection with the plug.
In this embodiment, the carbon fiber reinforced cable body 6 is manufactured by the following method: the carbon fibers are firstly drawn and collected into bundles, immersed in liquid resin, then immersed in a preformer, excess resin is extruded, and finally the carbon fibers pass through a heating die to form round carbon fiber ribs with the diameter of phi 5 mm/phi 7 mm. And twisting the carbon fiber ribs together through a twisting process, and hot extruding high-density polyethylene on the surfaces of the carbon fiber ribs to form a cable body structure.
The portion of the carbon fiber reinforcement cable 6 extending to the sealing sleeve 4 and anchor cup 1 is split into carbon fiber strands 61. The carbon fiber single strands 61 are arranged in parallel, and the carbon fiber single strands 61 sequentially penetrate out of the wire dividing holes 22 on the plate surface of the wire dividing anchor plate 2. After the carbon fiber single strands 61 pass through the wire dividing holes of the wire dividing anchor plate, extrusion equipment is adopted to extrude and anchor the single carbon fiber single strands 61.
As shown in fig. 2, in this embodiment, the wire-dividing anchor plate 2 is a circular plate, the center of the plate is provided with a mounting positioning hole 21, grouting holes 23 are arranged on two sides of the positioning hole 21, and a plurality of wire-dividing holes 22 are arranged around the positioning hole 21 in an array.
In addition, in the embodiment, aiming at the characteristics of poor shearing resistance and fragility of the carbon fiber ribs, the extrusion steel sleeves 7 are sleeved on the parts of the carbon fiber single strands 61 penetrating out of the wire dividing holes 22, and each extrusion steel sleeve 7 of each rib is divided into 3 independent small steel sleeves, so that extrusion flexibility is enhanced, and meanwhile, the anchoring coefficient is also enhanced. The split anchor plate 2 and the anchor cup 1 are positioned through the mounting and positioning holes 21, the cold casting material is poured into the anchor cup 1, and the cable body is formed into a whole in tension after solidification.
In the embodiment, gaps among the sealing sleeve 4, the inside of the anchor cup 1 and the carbon fiber single strands 61 are filled with the chill casting material 9 for anchoring. In particular, the chill casting material 9 may be epoxy mortar. An outer extrusion sleeve 10 is arranged at the joint of the second end of the plug 8 and the carbon fiber reinforced rope body 6, and the carbon fiber reinforced rope body 6 section matched with the outer extrusion sleeve 10 is uniformly coated with adhesive.
In order to enhance the overall tightness, in this embodiment, an O-ring 11 is provided at the junction of the sealing sleeve 4 and the anchor cup 1.
When the carbon fiber reinforced cable is manufactured, firstly, carbon fiber filaments are manufactured into carbon fiber reinforced bars, then a plurality of carbon fiber reinforced bars are clustered into a cable body, a single carbon fiber reinforced bar passes through the anchor cup 1 and the wire-dividing anchor plate 2, 3 sections of small steel sleeves are adopted for pre-tightening at the end part of each carbon fiber reinforced bar, and an extruder is used for extrusion anchoring of the small steel sleeves of the carbon fiber reinforced bars. And then after the wire-dividing anchor plate is positioned, pouring an epoxy resin cold casting material into an anchor cup, and curing the casting material in an oven to form an integral body of the anchor and a rope body, and finally, performing super-tensioning detection on a finished product inhaul cable to eliminate the retraction value of the anchor plate and detect the casting quality of the inhaul cable.
In summary, according to the semi-parallel carbon fiber reinforced inhaul cable designed by the utility model, the extrusion steel sleeve is closely sleeved at the end part of the single carbon fiber strand, so that the radial damage of the inhaul cable to the carbon fiber reinforced can be reduced in the using process, and meanwhile, the extrusion steel sleeve 7 is arranged into a plurality of independent small steel sleeves, so that the extrusion flexibility is improved, the anchoring coefficient is enhanced, and the defects of poor shearing capacity and fragility of the carbon fiber reinforced are effectively overcome. In addition, extrude the carbon fiber muscle cable body outside the plug through outer extrusion cover to evenly paint the binder at outer extrusion cover complex carbon fiber muscle cable body section, can reduce the radial damage to the carbon fiber muscle through the use of binder, increase anchor structure again in anchor cup outer end simultaneously, thereby can realize improving the anchor performance when not damaging the carbon fiber muscle.
The above examples are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the present utility model.
Claims (7)
1. The semi-parallel carbon fiber rib inhaul cable is characterized by comprising a carbon fiber rib rope body (6), a screwed plug (8), a sealing sleeve (4) and an anchor cup (1);
The plug (8), the sealing sleeve (4) and the anchor cup (1) are provided with through holes for penetrating the carbon fiber reinforced cable body (6);
The periphery of the first end of the plug (8) is in sealing connection with the inner side of the first end of the sealing sleeve (4), and a sealing constraint ring (5) is tightly arranged at the joint of the first end and the inner side;
The periphery of the second end of the sealing sleeve (4) is in sealing connection with the inner side of the first end of the anchor cup (1);
the second end of the anchor cup (1) is internally connected with a wire-dividing anchor plate (2);
one end of the carbon fiber reinforced rope body (6) penetrates into the screwed plug (8) and is in sealing connection with the screwed plug;
the carbon fiber reinforcement cable body (6) extends to the sealing sleeve (4) and the anchor cup (1) and is divided into a plurality of carbon fiber single strands (61);
A plurality of carbon fiber single strands (61) are arranged in parallel;
A plurality of carbon fiber single strands (61) sequentially pass through a plurality of wire dividing holes (22) on the plate surface of the wire dividing anchor plate (2);
The parts of the carbon fiber single strands (61) penetrating out of the wire dividing holes (22) are sleeved with extrusion steel sleeves (7);
And gaps among the sealing sleeve (4), the anchor cup (1) and the carbon fiber single strands (61) are filled with cold casting materials (9) for anchoring.
2. Semi-parallel carbon fiber tendon cable according to claim 1, characterized in that an outer extrusion sleeve (10) is arranged at the connection of the second end of the plug (8) and the carbon fiber tendon cable body (6); the section of the carbon fiber reinforced rope body (6) matched with the outer extrusion sleeve (10) is provided with an adhesive.
3. Semi-parallel carbon fiber reinforced cable according to claim 2, characterized in that the outer circumference of the anchor cup (1) is sleeved with an anchor nut (3).
4. A semi-parallel carbon fibre reinforced cable according to claim 3 characterised in that the extruded steel sheath (7) comprises a plurality of independent sub-steel sheaths serially connected together in sequence.
5. Semi-parallel carbon fiber tendon cable according to claim 4, characterized in that an O-ring (11) is provided at the junction of the sealing sleeve (4) and the anchor cup (1).
6. Semi-parallel carbon fibre reinforced cable according to claim 5 characterized in that the chill casting (9) is epoxy mortar.
7. The semi-parallel carbon fiber rib inhaul cable according to claim 6, wherein the split anchor plate (2) is a round plate surface, the center of the plate surface is provided with a mounting positioning hole (21), and both sides of the positioning hole (21) are provided with grouting holes (23); the plurality of thread dividing holes (22) are arranged around the positioning holes (21) in an array mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322616939.8U CN220867983U (en) | 2023-09-26 | 2023-09-26 | Semi-parallel carbon fiber rib inhaul cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322616939.8U CN220867983U (en) | 2023-09-26 | 2023-09-26 | Semi-parallel carbon fiber rib inhaul cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220867983U true CN220867983U (en) | 2024-04-30 |
Family
ID=90817788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322616939.8U Active CN220867983U (en) | 2023-09-26 | 2023-09-26 | Semi-parallel carbon fiber rib inhaul cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220867983U (en) |
-
2023
- 2023-09-26 CN CN202322616939.8U patent/CN220867983U/en active Active
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