CN210507139U - Epoxy steel strand stay cable - Google Patents
Epoxy steel strand stay cable Download PDFInfo
- Publication number
- CN210507139U CN210507139U CN201921232086.5U CN201921232086U CN210507139U CN 210507139 U CN210507139 U CN 210507139U CN 201921232086 U CN201921232086 U CN 201921232086U CN 210507139 U CN210507139 U CN 210507139U
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- cable
- stay cable
- steel strand
- cable body
- epoxy
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- Reinforcement Elements For Buildings (AREA)
Abstract
The utility model relates to a suspension cable, in particular to epoxy steel strand wires suspension cable. The structure of the stay cable comprises a stay cable body formed by mutually winding a plurality of PE steel strands, wherein an HDPE outer sheath is arranged outside the stay cable body, and two ends of the stay cable body are respectively a stretching end connected with a tower end and an anchoring end connected with a main beam. The utility model discloses an epoxy steel strand wires suspension cable adopts the parallel steel strand wires suspension cable of epoxy, compares in parallel steel wire suspension cable, and steel strand wires suspension cable intensity is high, and the transportation is easy, and hoist and mount are simple. The strength of the epoxy steel strand stay cable is higher than that of a parallel steel wire, so that the weight of the stay cable is reduced. The steel strand wires cable adopts the clip formula ground tackle, and outer HDPE protective casing outsourcing is the buried pipe in advance, therefore the rainwater can not get into in the cable body. The equipment used for replacing the steel strand inhaul cable is light equipment, and the operation is simple.
Description
Technical Field
The utility model relates to a suspension cable, in particular to epoxy steel strand wires suspension cable.
Background
A cable-stayed bridge is also called a diagonal tension bridge, is a bridge with a main beam directly pulled on a bridge tower by a plurality of guys, and is a structural system formed by combining a pressure-bearing tower, a pulled guy and a bending-bearing beam body. It can be seen as a multi-span elastically supported continuous beam with guy cables instead of buttresses. It can reduce the bending moment in the beam body, reduce the building height, lighten the structural weight and save materials. The cable-stayed bridge mainly comprises a cable tower, a main beam and a stay cable.
The inclined cable is also called as stay cable, and is the main bearing member for directly transmitting the weight of main beam and bridge deck of cable-stayed bridge to tower. The material of the stay cable of the cable-stayed bridge is usually a steel cable, the form of which differs according to the method of its composition, and can be composed of parallel steel wires, parallel steel cables, single steel cable, closed steel cable or solid steel bar. Since the guy cable is placed obliquely, it is called oblique cable.
The arrangement of the stayed cables, each main tower is provided with 36 pairs of space cables, and the total number of 2 main towers is 72 pairs and 144 stayed cables. The cable distance of the main span stay cable on the beam is 7.8m, and the cable distance of the side span is respectively 7.8m, 7.3m and 4.25m along with the change of the length of the segment. The stay cable is arranged at a position 0.8m away from the edge on the cross section, and an anchoring point is arranged at the center of the inner wall of the tower in consideration of factors such as construction formwork erection, cable tensioning and the like in a cable arrangement area of the upper tower column.
The stay cable in the prior art is used for connecting the tension end of the connecting tower end and the anchoring end of the connecting main beam, is easily corroded by rainwater, so that the anchoring part is easily corroded, and the service life is influenced.
Disclosure of Invention
In order to solve the problem of the prior art, the utility model provides an epoxy steel strand wires suspension cable, its intensity is high, and the transportation is easy, and hoist and mount are simple to adopt clip formula ground tackle, outer HDPE protects the protective casing outsourcing pre-buried pipe, therefore the rainwater can not get into in the cable body.
The utility model discloses the technical scheme who adopts as follows:
an epoxy steel strand stay cable comprises a cable body formed by mutually winding a plurality of PE (polyethylene) steel strands, wherein an HDPE (high-density polyethylene) outer sheath is arranged outside the cable body, two ends of the cable body are respectively a tension end connected with a tower end and an anchoring end connected with a main beam, the anchoring end comprises a waterproof cover arranged outside the HDPE (high-density polyethylene) outer sheath, one end of the waterproof cover is tightened on the HDPE outer sheath, the other end of the waterproof cover is wrapped on one end of an anchoring end pre-embedded pipe, the other end of the anchoring end pre-embedded pipe is connected with an anchoring plate, and the cable body is fixedly connected to the inner side of the anchoring plate after penetrating through the waterproof cover and the anchoring end pre-embedded pipe; the stretching end comprises a PE pipe connecting sleeve, one end of the PE pipe connecting sleeve is sleeved outside the HDPE outer sheath, the other end of the PE pipe connecting sleeve is connected with the near end of the stretching end embedded pipe, the far end of the stretching end embedded pipe is connected with an anchor plate through a supporting cylinder, and the stay cable body penetrates through the PE pipe connecting sleeve and the stretching end embedded pipe and then is connected to the inner side of the anchor plate.
A magnetic flux sensor is arranged on the inhaul cable body fixed on the inner side of the anchoring plate and connected with external equipment through a data line, and the data line is led out from an opening on the embedded pipe at the anchoring end.
The outside of the anchoring plate is provided with a clamping piece and a protective cover.
The cable hoop is arranged on the outer side of the part of the cable body in the waterproof cover.
The outside of the part of the inhaul cable body in the anchoring end embedded pipe is coated with a damping component.
The inhaul cable body fixed on the inner side of the anchor plate is provided with a magnetic flux sensor, the magnetic flux sensor is connected with external equipment through a data line, and the data line is led out from an opening in the anchor plate.
The outer side of the anchor plate is provided with a clamping piece and a protective cover.
The outside of the part of the stay cable body in the connecting sleeve of the PE pipe is provided with a cable hoop.
The outside cladding of the part of cable body in stretch-draw end embedded pipe has damper.
The utility model provides a beneficial effect that technical scheme brought is:
the utility model discloses an epoxy steel strand wires suspension cable adopts the parallel steel strand wires suspension cable of epoxy, compares in parallel steel wire suspension cable, and steel strand wires suspension cable intensity is high, and the transportation is easy, and hoist and mount are simple. The strength of the epoxy steel strand stay cable is higher than that of a parallel steel wire, so that the weight of the stay cable is reduced. The steel strand wires cable adopts the clip formula ground tackle, and outer HDPE protective casing outsourcing is the buried pipe in advance, therefore the rainwater can not get into in the cable body. The equipment used for replacing the steel strand inhaul cable is light equipment, and the operation is simple.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of an epoxy steel strand stay cable of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Example one
As shown in the attached figure 1, an epoxy steel strand stay cable,
an epoxy steel strand stay cable comprises a cable body 1 formed by mutually winding a plurality of PE steel strands, wherein an HDPE outer sheath 2 is arranged outside the cable body 1, two ends of the cable body 1 are respectively a tension end connected with a tower end and an anchoring end connected with a main beam, the anchoring end comprises a waterproof cover 3 arranged outside the HDPE outer sheath 2, one end of the waterproof cover 3 is tightened on the HDPE outer sheath 2, the other end of the waterproof cover is wrapped on one end of an anchoring end embedded pipe 4, the other end of the anchoring end embedded pipe 4 is connected with an anchoring plate 5, and the cable body 1 is fixedly connected to the inner side of the anchoring plate 5 after penetrating through the waterproof cover 3 and the anchoring end embedded pipe 4;
a magnetic flux sensor 6 is arranged on the inhaul cable body 1 fixed on the inner side of the anchoring plate 5, the magnetic flux sensor 6 is connected with external equipment through a data wire 7, and the data wire 7 is led out from an opening on the anchoring end embedded pipe 4.
The outside of the anchoring plate 5 is provided with a clip 8 and a protective cover 9.
The cable body 1 is wrapped with a shock absorption assembly 10 outside the part in the anchoring end embedded pipe 4.
The cable body 1 is provided with a cable hoop 11 at the outer side of the part in the waterproof cover 3.
The tensioning end of this embodiment includes PE union coupling sleeve 12, PE union coupling sleeve 12 one end cup joint the HDPE oversheath 2 outside, the near-end of tensioning end embedded pipe 13 is connected to the other end, the distal end of tensioning end embedded pipe 13 passes through supporting cylinder 14 and connects anchor slab 15, cable body 1 pass PE union coupling sleeve 12 and tensioning end embedded pipe 13 after, connect in the inboard of anchor slab 15.
The inhaul cable body 1 fixed on the inner side of the anchor plate 15 is provided with a magnetic flux sensor 16, the magnetic flux sensor 16 is connected with external equipment through a data wire 17, and the data wire 17 is led out from an opening on the anchor plate 15.
The outside of the anchor plate 15 is provided with a clip 18 and a protective cover 19.
The cable body 1 is provided with a cable hoop 20 at the outer side of the part inside the PE pipe connecting sleeve 12.
The cable body 1 is wrapped with a shock absorption component 21 at the outer side of the part in the tensioning end embedded pipe 13.
In general, the stay cable adopts an epoxy coating steel strand cable with the diameter phi s of 15.2 and the standard strength of 1860MPa, and the specifications of the stay cable are five types, namely OVM250-43, OVM250-55, OVM250-61, OVM250-73 and OVM250-85 respectively. The stay cable construction stretching end is arranged on the tower, the anchoring end is arranged on the main beam, and the stretching end anchorage and the fixed end anchorage of corresponding specifications are adopted at the two ends of the stay cable. The OVM250 cable anchorage is distinguished according to the number of steel strands (or anchorage holes) forming the cable, and the common specification is between OVM250-19 and OVM 250-85.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. An epoxy steel strand stay cable comprises a cable body formed by mutually winding a plurality of PE steel strands, wherein an HDPE outer sheath is arranged outside the cable body, and the two ends of the cable body are respectively a tension end connected with a tower end and an anchoring end connected with a main beam; the stretching end comprises a PE pipe connecting sleeve, one end of the PE pipe connecting sleeve is sleeved outside the HDPE outer sheath, the other end of the PE pipe connecting sleeve is connected with the near end of the stretching end embedded pipe, the far end of the stretching end embedded pipe is connected with an anchor plate through a supporting cylinder, and the stay cable body penetrates through the PE pipe connecting sleeve and the stretching end embedded pipe and then is connected to the inner side of the anchor plate.
2. The epoxy steel strand stay cable of claim 1, wherein a magnetic flux sensor is arranged on the stay cable body fixed on the inner side of the anchoring plate, the magnetic flux sensor is connected with external equipment through a data line, and the data line is led out from an opening on an embedded pipe at the anchoring end.
3. The epoxy steel strand stay cable of claim 1 or 2, wherein a clip and a protective cover are provided outside the anchoring plate.
4. The epoxy steel strand stay cable of claim 1 or 2, wherein a cable hoop is arranged on the outer side of the part of the stay cable body in the waterproof cover.
5. The epoxy steel strand stay cable of claim 1 or 2, wherein a damping component is coated on the outer side of the part of the stay cable body in the anchoring end embedded pipe.
6. The epoxy steel strand stay cable of claim 1, wherein a magnetic flux sensor is arranged on the stay cable body fixed on the inner side of the anchor plate, the magnetic flux sensor is connected with external equipment through a data line, and the data line is led out from an opening on the anchor plate.
7. The epoxy steel strand stay cable of claim 1 or 6, wherein a clip and a protective cover are disposed outside the anchor plate.
8. The epoxy steel strand stay cable of claim 1 or 6, wherein a cable hoop is arranged on the outer side of the part of the stay cable body inside the PE pipe connection sleeve.
9. The epoxy steel strand stay cable of claim 1 or 6, wherein a shock-absorbing component is wrapped on the outer side of the part of the stay cable body in the tensioning end embedded pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921232086.5U CN210507139U (en) | 2019-07-31 | 2019-07-31 | Epoxy steel strand stay cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921232086.5U CN210507139U (en) | 2019-07-31 | 2019-07-31 | Epoxy steel strand stay cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210507139U true CN210507139U (en) | 2020-05-12 |
Family
ID=70586952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921232086.5U Expired - Fee Related CN210507139U (en) | 2019-07-31 | 2019-07-31 | Epoxy steel strand stay cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210507139U (en) |
-
2019
- 2019-07-31 CN CN201921232086.5U patent/CN210507139U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200512 Termination date: 20210731 |