CN212025936U - Equipment for mounting continuous steel strand stay cable at tower end of cable-stayed bridge - Google Patents
Equipment for mounting continuous steel strand stay cable at tower end of cable-stayed bridge Download PDFInfo
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- CN212025936U CN212025936U CN202020416639.9U CN202020416639U CN212025936U CN 212025936 U CN212025936 U CN 212025936U CN 202020416639 U CN202020416639 U CN 202020416639U CN 212025936 U CN212025936 U CN 212025936U
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Abstract
The utility model discloses an equipment for cable-stay bridge tower end continuous type steel strand wires suspension cable installation includes first direction cable device and second direction cable device, first direction cable device is including all setting up in the left first winch of cable-stay tower, by first winch driven first haulage cable and a plurality of left leading wheels, first haulage cable is in proper order through first winch, a plurality of left leading wheels, one left leading wheel sets up on the cable-stay among a plurality of left leading wheels, first direction cable device is used for drawing the steel strand wires on the cable drum to cable-stay tower upper portion through the first haulage cable of moving between a plurality of left leading wheels. Compared with the prior art, the equipment for installing the continuous steel strand stay cable at the tower end of the cable-stayed bridge saves more than 50 percent of labor; the efficiency is improved by 60% by circularly reciprocating installation; the utility model discloses an equipment that is used for cable-stay bridge tower end continuous type steel strand wires suspension cable to install makes overall construction cost show and reduces, can provide beneficial borrowing for the construction of similar bridge.
Description
Technical Field
The utility model relates to a cable-stay bridge construction technical field, concretely relates to equipment that is used for cable-stay bridge tower end continuous type steel strand wires stay cable to install.
Background
With the development of scientific technology and national economy, the investment and construction of traffic infrastructure are increased in China, and a batch of large-span bridges are built into traffic vehicles and construction for operation successively. The cable-stayed bridge is one of the main forms of the large-span bridge, and since the 90 s of the 20 th century, a series of large-span cable-stayed bridges are built in China in Dajiang river, great river, coastal areas and mountainous areas in the middle and western regions. The inclined stay cable is more and more concerned as the most core component of the bridge. The stay cables are generally classified into parallel steel wire finished cables and steel strand stay cables according to the structure. Wherein the finished cable is processed into a cable in the field, and is installed on the field by adopting large-scale equipment such as a tower crane and the like; the steel strand stay cable is installed and assembled into a whole stay cable by utilizing single manual work on site.
In recent years, steel strand stay cables are more and more widely applied due to good durability and economy, particularly convenience of single-strand replacement. Different from the finished product of the parallel steel wires, the steel strand stay cable is broken into parts, and is pulled and erected by a single cable on site to form a whole stay cable; meanwhile, the stay cable is usually in a continuous state at the tower end and is tensioned and anchored only at the beam end. Different structures of the steel strand stay cable require different traction installation processes. The conventional installation process of utilizing a large amount of manual work to 'penetrate and bundle' like prestressed reinforcements has the advantages of low construction efficiency and high labor cost, and can not meet the requirements of installation and erection of the stay cable of the modern bridge.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an equipment that is used for cable-stay bridge tower end continuous type steel strand wires suspension cable installation that can improve installation work efficiency, reduce cost of labor greatly.
The utility model discloses an equipment for cable-stay bridge tower end continuous type steel strand wires suspension cable installation, including setting up in the left first direction cable device of cable-stay tower and setting up in the second direction cable device on cable-stay tower right side, first direction cable device is including all setting up in the left first hoisting machine of cable-stay tower, by first hoisting machine driven first haulage cable and a plurality of left leading wheels, first haulage cable is in proper order through first hoisting machine, a plurality of left leading wheels, and one left leading wheel sets up on the cable-stay among a plurality of left leading wheels, and first direction cable device is used for drawing the steel strand wires on the cable drum to tower upper portion through the first haulage cable of moving between a plurality of left leading wheels, second direction cable device is including all setting up in the second hoisting machine on cable-stay tower right side, by second hoisting machine driven second haulage cable and a plurality of right leading wheels, the second haulage cable is in proper order through second hoisting machine, And the second guide cable device is used for pulling the steel strand at the upper part of the cable tower to the bridge body at the right side of the cable tower through a second traction cable running among the right guide wheels.
The utility model discloses an equipment for cable-stay bridge tower end continuous type steel strand wires suspension cable installation, wherein, still including setting up the guide connecting rod on the tower on cable-stay tower upper portion, guide connecting rod is used for direction and tractive steel strand wires by first direction cable device on the tower, makes steel strand wires pass the right side that the cable saddle divides the wire tube to cable-stay tower.
The utility model discloses an equipment that is used for cable-stay bridge tower end continuous type steel strand wires suspension cable to install, wherein, still including setting up in the beam-ends direction connecting rod of beam-ends suspension cable anchor department for direction and tractive pass the pre-buried pipe of suspension cable and correspond the anchor eye by the steel strand wires that second direction cable device was pull.
Compared with the prior art, the equipment for installing the continuous steel strand stay cable at the tower end of the cable-stayed bridge saves more than 50 percent of labor; the efficiency is improved by 60% by circularly reciprocating installation; simultaneously, improve year by year along with artifical wage, the utility model discloses an equipment for cable-stay bridge tower end continuous type steel strand wires suspension cable installation makes the overall construction cost also show the reduction, can provide useful reference for the construction of similar bridge.
Drawings
Fig. 1 is a schematic structural view of the installation equipment for the continuous steel strand stay cable at the tower end of the cable-stayed bridge of the utility model;
FIG. 2 is a process diagram of the installation of the continuous steel strand stay cable at the tower end of the cable-stayed bridge for pulling the steel strand to the top of the left side of the cable tower and using the guide connecting rod to relay to the right side of the tower;
FIG. 3 is a process diagram of the installation of the continuous steel strand stay cable at the tower end of the cable-stayed bridge when the steel strand is pulled to the beam-end anchoring position by using the equipment of the utility model;
fig. 4 is a process diagram for installing the stay cable by using the equipment for installing the continuous steel strand stay cable at the tower end of the cable-stayed bridge.
Detailed Description
As shown in fig. 1, fig. 2, fig. 3, fig. 4, the utility model discloses an equipment for cable-stay bridge tower end continuous steel strand wires suspension cable installation, including setting up in the left first direction cable device 10 of cable-stay tower and setting up in the second direction cable device 20 on cable-stay tower right side, first direction cable device 10 is including all setting up in the left first hoist engine 3 of cable-stay tower, by first hoist engine 3 driven first haulage cable 2 and a plurality of left leading wheels 1, first haulage cable passes through first hoist engine, a plurality of left leading wheels in proper order, and one left leading wheel among a plurality of left leading wheels sets up on cable-stay tower, and first direction cable device is used for drawing the steel strand wires 7 on cable drum 6 to cable-stay tower upper portion through the first haulage cable of moving between a plurality of left leading wheels, second direction cable device 20 is including all setting up in the second hoist engine 31 on cable-stay tower right side, The second traction rope 21 is driven by the second winch and the plurality of right guide wheels 11 sequentially pass through the second winch and the plurality of right guide wheels, one right guide wheel in the plurality of right guide wheels is arranged on the cable tower, and the second guide cable device is used for drawing the steel strand 7 on the upper portion of the cable tower to a bridge body on the right side of the cable tower through the second traction rope 21 running among the plurality of right guide wheels.
The utility model discloses an equipment for cable-stay bridge tower end continuous type steel strand wires suspension cable installation, first direction cable device 10 include three left leading wheel 1, and a left leading wheel 1 sets up on the cable-stay tower, and two other left leading wheels 1 set up on the pontic, and the line between the three left leading wheel forms a triangle-shaped.
The second guiding cable device 20 comprises three right guiding wheels 11, one right guiding wheel is arranged on the cable tower, the other two right guiding wheels are arranged on the bridge body, and a connecting line between the three right guiding wheels forms a triangle.
The three right guide wheels 11 and the three left guide wheels 1 are respectively in one-to-one correspondence and are in bilateral symmetry with the vertical axis of the cable tower.
The utility model discloses an equipment for cable-stay bridge tower end continuous type steel strand wires suspension cable installation, wherein, still including setting up guide connecting rod 4 on the tower on cable-stay tower upper portion, guide connecting rod is used for direction and tractive steel strand wires by first direction cable device on the tower, makes steel strand wires pass the right side that the cable saddle divides the wire tube to cable-stay tower.
The utility model discloses an equipment for cable-stay bridge tower end continuous type steel strand wires suspension cable installation, wherein, still including setting up in the beam-ends direction connecting rod 5 of beam-ends suspension cable anchor department for direction and tractive pass the cable-stay embedded pipe and correspond the anchor eye by the towed steel strand wires of second direction cable device.
The utility model discloses an equipment that is used for cable-stay bridge tower end continuous type steel strand wires suspension cable to install utilizes the hoist engine to pull respectively in cable tower both sides to guide the relay at the tower end, make the continuous tractive of steel strand wires to suspension cable fixed position, and the construction of circulating and reciprocating, greatly improve the installation work efficiency, reduce artifical the preparation.
Utility model's an be provided with adapter sleeve 8 on first haulage cable 2, the second haulage cable 21 that is used for the equipment of cable-stay bridge tower end continuous type steel strand wires suspension cable installation respectively. The connecting sleeve 8 is used for connecting the steel strand 7.
When the utility model is used for the equipment for installing the continuous steel strand stay cable at the tower end of the cable-stayed bridge, 1 winch is respectively arranged at two sides of the cable tower for traction, a closed traction steel wire rope (traction cable) is respectively stored in the winch, and a connecting sleeve is respectively arranged on the steel wire rope for connecting the steel wire rope and the steel strand; placing a stay cable steel strand disk at one side of the tower, and sequentially storing a plurality of steel strands in the stay cable steel strand disk; the tower top cable saddle position is provided with a tower upper guide connecting rod which is used for guiding and pulling the steel strand to pass through the cable saddle wire dividing pipe to the other side of the cable tower and be connected with the traction steel rope on the other side to realize relay and continuous traction; and the beam-end guide connecting rod is arranged at the anchoring part of the beam-end stay cable and used for guiding and pulling the steel strand to pass through the stay cable embedded pipe, the corresponding anchor hole and the like to reach a designed fixed position.
The specific construction process is as follows: a steel strand 7 is discharged from the cable disc 6 (the PE sleeve is stripped according to the requirement at the end position of the steel strand during blanking, and the end is upset and formed for standby application), and is connected with a traction steel wire rope stored on the left winch 2 through a connecting sleeve 8; starting the first winch 3, pulling the steel strand to the cable saddle pre-buried pipe on the left side of the cable tower, and stopping the first winch 3; the tower upper guide connecting rod 4 penetrates out of the left cable saddle opening through a corresponding cable separating pipe of a cable saddle of the cable tower from the right side of the cable tower and is connected with the steel strand 7, and the steel strand 7 is pulled out of the cable saddle cable separating pipe to the right side of the cable tower; the steel strand 7 is connected with a traction steel wire rope stored on a second winch 31 through a connecting sleeve 8, the second winch 31 is started, and the winch is stopped when the steel strand 7 is pulled to the position of the stay cable embedded pipe on the beam; the beam end guide connecting rod 5 penetrates out of the embedded pipe from the corresponding anchor hole below the beam, is connected with the steel strand 7, and is pulled out of the anchor hole to be fixed; and pulling the other end of the steel strand into a corresponding anchor hole for fixing by the same method under the left side beam. And circularly erecting all other steel strands of the stay cable by the same method.
Compared with the prior art, the equipment for installing the continuous steel strand stay cable at the tower end of the cable-stayed bridge saves more than 50 percent of labor; the efficiency is improved by 60% by circularly reciprocating installation; simultaneously, improve year by year along with artifical wage, the utility model discloses an equipment for cable-stay bridge tower end continuous type steel strand wires suspension cable installation makes the overall construction cost also show the reduction, can provide useful reference for the construction of similar bridge.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (3)
1. A device for installing a continuous steel strand stay cable at the tower end of a cable-stayed bridge is characterized by comprising a first guide cable device arranged at the left side of a cable tower and a second guide cable device arranged at the right side of the cable tower, wherein the first guide cable device comprises a first winch, a first traction cable and a plurality of left guide wheels, the first winch, the first traction cable and the plurality of left guide wheels are all arranged at the left side of the cable tower, the first traction cable passes through the first winch and the plurality of left guide wheels in sequence, one left guide wheel among the plurality of left guide wheels is arranged on the cable tower, the first guide cable device is used for drawing the steel strand on the cable disc to the upper part of the tower through the first traction cable running among the plurality of left guide wheels, the second guide cable device comprises a second winch, a second traction cable and a plurality of right guide wheels, the second winch is all arranged at the right side of the cable tower, the second traction rope sequentially passes through the second winch and the plurality of right guide wheels, one of the plurality of right guide wheels is arranged on the cable tower, and the second guide cable device is used for drawing the steel strand at the upper part of the cable tower to the bridge body at the right side of the cable tower through the second traction rope running among the plurality of right guide wheels.
2. The apparatus for installing the continuous strand cable at the tower end of a cable-stayed bridge according to claim 1, further comprising an upper tower guide connecting rod provided at an upper portion of the cable tower, the upper tower guide connecting rod being adapted to guide and pull the strand cable pulled by the first guide cable device through the saddle cable-branching tube to the right side of the cable tower.
3. The apparatus for installing the continuous type steel strand cable-stayed cable at the tower end of the cable-stayed bridge according to claim 2, further comprising a beam-end guide connecting rod provided at the anchoring point of the beam-end stay cable for guiding and pulling the steel strand pulled by the second guide cable device through the cable-stayed pre-buried pipe and corresponding to the anchoring hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020416639.9U CN212025936U (en) | 2020-03-27 | 2020-03-27 | Equipment for mounting continuous steel strand stay cable at tower end of cable-stayed bridge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020416639.9U CN212025936U (en) | 2020-03-27 | 2020-03-27 | Equipment for mounting continuous steel strand stay cable at tower end of cable-stayed bridge |
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| CN212025936U true CN212025936U (en) | 2020-11-27 |
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| CN202020416639.9U Active CN212025936U (en) | 2020-03-27 | 2020-03-27 | Equipment for mounting continuous steel strand stay cable at tower end of cable-stayed bridge |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294022A (en) * | 2021-05-06 | 2021-08-24 | 上海市机电设计研究院有限公司 | Steel strand penetrating method utilizing wind power tower cylinder foundation prestressed cable preformed hole |
| CN113356076A (en) * | 2021-07-01 | 2021-09-07 | 中铁二局集团有限公司 | Stay cable construction method and stay cable construction device |
| CN113585099A (en) * | 2021-09-28 | 2021-11-02 | 中交投资南京有限公司 | Deviation monitoring system for double-span synchronous tension bridge girder erection machine and construction method for reinforced concrete composite bridge |
-
2020
- 2020-03-27 CN CN202020416639.9U patent/CN212025936U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294022A (en) * | 2021-05-06 | 2021-08-24 | 上海市机电设计研究院有限公司 | Steel strand penetrating method utilizing wind power tower cylinder foundation prestressed cable preformed hole |
| CN113356076A (en) * | 2021-07-01 | 2021-09-07 | 中铁二局集团有限公司 | Stay cable construction method and stay cable construction device |
| CN113585099A (en) * | 2021-09-28 | 2021-11-02 | 中交投资南京有限公司 | Deviation monitoring system for double-span synchronous tension bridge girder erection machine and construction method for reinforced concrete composite bridge |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: He Maosheng Inventor after: He Huaidong Inventor after: Hu Juan Inventor after: Xiao Junliang Inventor after: Lu Shengwei Inventor after: Li Youyong Inventor after: Wang Yixing Inventor before: He Maosheng Inventor before: He Huaidong Inventor before: Hu Juan Inventor before: Xiao Junliang Inventor before: Lu Shengwei Inventor before: Li Youyong Inventor before: Wang Yixing |
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| CB03 | Change of inventor or designer information |