CN215482319U - Sectional type stay cable system - Google Patents
Sectional type stay cable system Download PDFInfo
- Publication number
- CN215482319U CN215482319U CN202121769993.0U CN202121769993U CN215482319U CN 215482319 U CN215482319 U CN 215482319U CN 202121769993 U CN202121769993 U CN 202121769993U CN 215482319 U CN215482319 U CN 215482319U
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- connector
- anchor cup
- cable
- temporary
- stay
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Abstract
The utility model relates to a sectional type stay cable system, which comprises a connector, a rear anchor cup, a front anchor cup, a parallel pier nose steel wire, a PE (polyethylene) sleeve, a sealing ring, a connecting cylinder, a connecting nut and a temporary tensioning block, wherein the rear anchor cup is arranged on the front end of the connector; the connecting cylinder is connected with the PE sleeve in an installing mode through a sealing ring, the other end of the connecting cylinder is connected with a front anchor cup, the front anchor cup is connected with a connector, and the other end of the connector is connected with a rear anchor cup; the temporary tensioning block is tensioned through finish-rolled deformed steel bars, matched nuts, a base plate and a jack, and rear anchor cups of front and rear segmental stay cables are connected through connecting nuts; the front segment and the rear segment are connected through the connecting nut so that the segment type stay cable can be lengthened section by section, and the utility model realizes the segment type connection of the stay cable which is aligned in tension.
Description
Technical Field
The utility model relates to the technical field of construction of inhaul cable structures, in particular to a sectional type stayed-cable system.
Background
The stay cable is a common force transmission component in the field of civil engineering, and is widely applied to cable membrane structure buildings, cable-stayed bridges, suspension bridges, tie rod arch bridges and the like. Suspension bridge slings are typically made up of steel wire ropes or parallel bundles of steel wires, and the cable system in temporary cable-stayed bridges may take the form of parallel steel wires.
The self-anchored suspension bridge adopts a cable-stayed construction method, utilizes a permanent bridge tower of the self-anchored suspension bridge to stretch temporary stay cables, cantilever assembles a main beam segment, after the main beam segment is folded to form the cable-stayed bridge, a main cable and a sling are installed, and the self-anchored suspension bridge is formed by system conversion. The temporary stay cable is a common finished cable, so that a large amount of material is wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a section type stay cable system capable of being lengthened, which can be flexibly assembled and used and avoids material waste.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows:
a sectional type stay cable system comprises a connector, a rear anchor cup, a front anchor cup, a parallel pier head steel wire, a PE sleeve, a sealing ring, a connecting cylinder, a connecting nut and a temporary tensioning block; the connecting cylinder is connected with the PE sleeve in an installing mode through a sealing ring, the other end of the connecting cylinder is connected with a front anchor cup, the front anchor cup is connected with a connector, and the other end of the connector is connected with a rear anchor cup; the temporary tensioning block is tensioned through finish-rolled deformed steel bars, matched nuts, a base plate and a jack, and rear anchor cups of front and rear segmental stay cables are connected through connecting nuts; the front and rear segments are connected through the connecting nut, so that the segment type stay cable is lengthened section by section.
Furthermore, the temporary tension blocks on the front and rear section stay cables are connected with the matched nuts and the backing plate through finish-rolled screw steel.
Furthermore, the temporary tensioning block, the finish-rolled deformed steel bar, a matched nut, a base plate, a jack and a connector are matched for use to apply prestress on the parallel pier head steel wire.
Furthermore, the temporary tensioning block is a combined part of an upper group of groove blocks and a lower group of groove blocks, the upper group of groove blocks and the lower group of groove blocks are connected with matched nuts and base plates through finish-rolled deformed steel bars, holes are reserved on the side face of a single groove block, and grooves are reserved inside the single groove block.
Further, the hole is a reserved hole for the finish rolling deformed steel bar to pass through.
Further, the groove is a reserved groove which is clamped with the connector.
Has the advantages that:
the utility model relates to a section type stay cable system capable of being lengthened, which is different from a conventional stay cable in that the section tensioning is realized by matching a temporary tensioning block, finish-rolled deformed steel bars, matched nuts and a base plate. The utility model realizes the connection of the stretched and aligned segmental stay cables by using the connecting nut, can be used as a temporary stay cable in a temporary stay cable system and can also be used as a permanent sling in a suspension cable system when being assembled and used, and solves the problem that a large amount of temporary cables are wasted in a stay cable construction method of the self-anchored suspension bridge.
Drawings
FIG. 1 is a three-dimensional schematic view of the inter-segment connection of a ripcord structure of the present invention.
FIG. 2 is a three-dimensional schematic of tension between segments of a guy cable structure of the present invention.
FIG. 3 is a schematic view of the tension and connection steps between the segments of the guy cable structure of the present invention.
FIG. 4 is a front, half cross-sectional side view of a cable structure joint segment of the present invention.
Fig. 5 is a three-dimensional schematic view of the temporary tensioning block and connector installation of the present invention.
FIG. 6 is a three-dimensional schematic of a monolithic temporary tensioning block structure of the present invention.
Detailed Description
The present invention will be described in further detail with reference to specific examples, which are provided for illustration only and are not intended to limit the scope of the present invention. In the description of the present invention, it is to be noted that:
a sectional type stay cable system comprises a connector 9, a rear anchor cup 8, a front anchor cup 7, a parallel pier nose steel wire 6, a PE sleeve 5, a sealing ring 4, a connecting cylinder 3, a connecting nut 2 and a temporary tensioning block 1; the connecting cylinder 3 is connected with the PE sleeve 5 through a sealing ring 4 in an installing mode, the other end of the connecting cylinder 3 is connected with a front anchor cup 7, the front anchor cup 7 is connected with a connector 9, and the other end of the connector 9 is connected with a rear anchor cup 8; the temporary tensioning block 1 is tensioned through finish rolling deformed steel bars 1-1 and matched nuts, a backing plate 1-2 and a jack 1-5, and rear anchor cups 8 of front and rear section stay cables are connected through a connecting nut 2; the front and rear segments are connected through the connecting nuts 2 so that the segmented stay cables are lengthened section by section.
The temporary tension blocks 1 on the front and rear section stay cables are also connected with the matched nuts and the backing plates 1-2 through finish-rolled deformed steel bars 1-1.
The temporary tensioning block 1, the finish-rolled deformed steel bar 1-1, the matched nut, the backing plate 1-2, the jack 1-5 and the connector 9 are matched for use to apply prestress on the parallel pier head steel wire 6.
The temporary tensioning block 1 is a combined part of an upper group of groove blocks and a lower group of groove blocks, the upper group of groove blocks and the lower group of groove blocks are connected with matched nuts and backing plates 1-2 through finish rolling deformed steel bars 1-1, holes 1-3 are reserved on the side face of a single groove block, and grooves 1-4 are reserved inside the single groove block.
The holes 1-3 are reserved holes through which the finish-rolled deformed steel bars 1-1 pass.
The grooves 1-4 are reserved grooves for realizing clamping with the connector 9.
A typical elongation mode of the utility model is shown in figure 3. When the tensioning device is used, the temporary tensioning block 1 is arranged, and finish rolling threaded steel bars are used for tensioning sections. And after tensioning is finished, the front and rear sections are connected by using the connecting nut 2 so as to meet the requirement of lengthening the sectional stay cable section by section. When the device is used, the temporary tensioning block 1 is firstly installed on the anchorage device, the finish rolling twisted steel is used for tensioning to enable the axes of the front section and the rear section to be naturally aligned, the front section and the rear section are connected into a whole by screwing the connecting nut 2, and the processes are repeated to realize the section-by-section lengthening of the stay cable.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the utility model in any way, and any person skilled in the art can make any simple modification, equivalent replacement, and improvement on the above embodiment without departing from the technical spirit of the present invention, and still fall within the protection scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a sectional type cable-stay system which characterized in that: the device comprises a connector (9), a rear anchor cup (8), a front anchor cup (7), a parallel pier nose steel wire (6), a PE (polyethylene) sleeve (5), a sealing ring (4), a connecting cylinder (3), a connecting nut (2) and a temporary tensioning block (1); the connecting cylinder (3) is connected with the PE sleeve (5) through a sealing ring (4); the other end of the connecting cylinder (3) is connected with a front anchor cup (7), the front anchor cup (7) is connected with a connector (9), and the other end of the connector (9) is connected with a rear anchor cup (8); the temporary tensioning block (1) is tensioned through finish-rolled deformed steel bars (1-1), matched nuts, a base plate (1-2) and jacks (1-5), and rear anchor cups (8) of front and rear section stay cables are connected through connecting nuts (2); the front and rear segments are connected through the connecting nut (2) so as to lengthen the segment type stay cable section by section.
2. The segmented cable-stayed system according to claim 1, wherein: the temporary tension blocks (1) on the front and rear section stay cables are also connected with the matched nuts and the backing plates (1-2) through finish-rolled deformed steel bars (1-1).
3. The segmented cable-stayed system according to claim 2, wherein: the temporary tensioning block (1), the finish rolling deformed steel bar (1-1), a matched nut, a base plate (1-2), a jack (1-5) and a connector (9) are matched for use to apply prestress on the parallel pier head steel wire (6).
4. The segmented cable-stayed system according to claim 1, wherein: the temporary tensioning block (1) is a combined part of an upper group of groove blocks and a lower group of groove blocks, the upper group of groove blocks and the lower group of groove blocks are connected with matched nuts and backing plates (1-2) through finish rolling deformed steel bars (1-1), holes (1-3) are reserved on the side face of a single groove block, and grooves (1-4) are reserved inside the single groove block.
5. A segmented stay cable system according to claim 4 characterized in that said holes (1-3) are pre-made holes for the finish rolled deformed steel bar (1-1) to pass through.
6. The segmented cable-stayed system according to claim 4, wherein: the grooves (1-4) are reserved grooves which are clamped with the connector (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121769993.0U CN215482319U (en) | 2021-07-30 | 2021-07-30 | Sectional type stay cable system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121769993.0U CN215482319U (en) | 2021-07-30 | 2021-07-30 | Sectional type stay cable system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215482319U true CN215482319U (en) | 2022-01-11 |
Family
ID=79753863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121769993.0U Active CN215482319U (en) | 2021-07-30 | 2021-07-30 | Sectional type stay cable system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215482319U (en) |
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2021
- 2021-07-30 CN CN202121769993.0U patent/CN215482319U/en active Active
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