CN106836003B - Device for erecting prefabricated arch ring by aid of guide beam - Google Patents
Device for erecting prefabricated arch ring by aid of guide beam Download PDFInfo
- Publication number
- CN106836003B CN106836003B CN201710240193.1A CN201710240193A CN106836003B CN 106836003 B CN106836003 B CN 106836003B CN 201710240193 A CN201710240193 A CN 201710240193A CN 106836003 B CN106836003 B CN 106836003B
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- guide beam
- horizontal moving
- guide
- arch ring
- winch
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The invention relates to a device for erecting a prefabricated arch ring by a guide beam in an auxiliary way, and belongs to the field of construction of a support-free arch bridge. The invention comprises a guide beam, wherein support legs are fixedly connected with two ends of the bottom of the guide beam, and a transverse moving mechanism is arranged at the bottoms of the support legs and used for driving the support legs to move along the horizontal direction; a track is laid on the guide beam along the length direction of the guide beam, a horizontal moving trolley is mounted on the track, a vertical transport winch is mounted on the horizontal moving trolley, and a horizontal moving winch used for driving the horizontal moving trolley to move on the track is arranged on the guide beam. The invention uses the guide beam assembled by the finished product or the universal member as the bearing member, and has the advantages of convenient, rapid and safe installation and investment saving.
Description
Technical Field
The invention relates to a device for erecting a prefabricated arch ring by a guide beam in an auxiliary way, and belongs to the field of construction of a support-free arch bridge. The arch bridge without support is a construction method for assembling prefabricated members to the design positions of the members to form the arch bridge by prefabricating an arch ring in a prefabricated yard and then using cable hoisting equipment.
Background
In some cases, the arch frame for arch bridge arch ring construction is difficult or uneconomical to set up, or in the water section with rapid water flow in the canyon, a support-free construction method is generally adopted. The cable hoisting construction is one of the most main methods of the construction without a support. The method comprises the steps that firstly, after arch rings are prefabricated and molded in a prefabricating yard, the arch box is hoisted in place in sections by utilizing cable hoisting equipment, then the arch box is fixed by utilizing a buckle cable and a cable wind cable, and the arch rings are folded into an arch after being in place. Cable hoisting equipment mainly includes: main cable, hoisting cable, traction cable, knot cable, buckle cable, cable wind cable, tower, cable saddle, ground anchor, winch and the like. The cable hoisting period is long, the danger is high, the investment is large, and the field arrangement influence range is large.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the device for erecting the prefabricated arch ring by the aid of the guide beam is convenient, rapid and safe to install and saves investment.
In order to solve the technical problems, the invention adopts the technical scheme that: the device for erecting the prefabricated arch ring by the aid of the guide beam comprises the guide beam, support legs are fixedly connected to two ends of the bottom of the guide beam, and a transverse moving mechanism is arranged at the bottoms of the support legs and used for driving the support legs to move in the horizontal direction; a rail is laid on the guide beam along the length direction of the guide beam, a horizontal moving trolley is mounted on the rail, a vertical transport winch is mounted on the horizontal moving trolley, and a horizontal moving winch used for driving the horizontal moving trolley to move on the rail is arranged on the guide beam.
Further, the method comprises the following steps: the number of the horizontal moving trolleys is two, and each horizontal moving trolley is provided with a vertical transport winch; the horizontal moving winches are arranged at two ends of the guide beam, and the horizontal moving trolley is arranged between the two horizontal moving winches.
Further, the method comprises the following steps: the driving direction of the transverse moving mechanism is perpendicular to the length direction of the guide beam.
Further, the method comprises the following steps: the stabilizer blade includes hydraulic telescoping rod or pneumatic telescoping rod or electronic lead screw for the stabilizer blade height-adjustable festival.
Further, the method comprises the following steps: the guide beam is a steel truss assembled by a bailey truss or a universal rod piece.
Further, the method comprises the following steps: the guide beams are of a double-guide-beam structure, a horizontally movable beam is arranged between the double guide beams, and the vertically movable winch is arranged on the beam.
When the device is implemented, the transverse moving mechanism is fixedly arranged on two boundary piers or abutment platforms of the arch bridge. Firstly, transferring the prefabricated arch ring to the lower part of the end part of the guide beam, and hoisting the prefabricated arch ring by a vertical transportation winch; hoisting the bridge to the upper part of the bridge hole by a horizontally moving trolley; the prefabricated arch ring falls to a design position by using a vertical transportation winch, and the installation angle of the prefabricated arch ring can be adjusted through a lifting point; the prefabricated arch ring which is in place is fixed through a buckle cable and a cable wind cable; and (4) sequentially transporting through guide beams and fixing each prefabricated arch ring segment through a cable wind cable until the prefabricated arch ring segments are closed to form an arch.
The invention has the beneficial effects that: the guide beam assembled by the finished product or the universal member is used as a bearing member, so that the installation is convenient, fast and safe, and the investment is saved.
Drawings
FIG. 1 is an elevational view of the present invention;
FIG. 2 is a plan view of the present invention;
the labels in the figure are: 1-guide beam, 2-support leg, 3-transverse moving mechanism, 4-moving trolley, 5-vertical transport winch, 6-horizontal moving winch, 7-prefabricated arch ring, 8-buckling cable, 9-cable wind cable, 10-ground line and 11-arch ring prefabricated pedestal.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1 and 2, the invention comprises a guide beam 1, wherein two ends of the bottom of the guide beam 1 are fixedly connected with support legs 2, the bottom of each support leg 2 is provided with a transverse moving mechanism 3, and the transverse moving mechanism 3 is used for driving the support legs 2 to move along the horizontal direction; a track is laid on the guide beam 1 along the length direction of the guide beam, a horizontal moving trolley 4 is mounted on the track, a vertical transport winch 5 is mounted on the horizontal moving trolley 4, and a horizontal moving winch 6 used for driving the horizontal moving trolley 4 to move on the track is arranged on the guide beam 1.
For convenient hoisting, the number of the horizontal moving trolleys 4 is two, and each horizontal moving trolley 4 is provided with a vertical transport winch 5; the horizontal moving winches 6 are arranged at two ends of the guide beam 1, and the horizontal moving trolley 4 is arranged between the two horizontal moving winches 6.
The transverse moving mechanism 3 is used for avoiding the interference of the abutment, and the driving direction of the transverse moving mechanism 3 is perpendicular to the length direction of the guide beam 1 for convenient operation.
In order to enable the invention to be suitable for hoisting prefabricated arch rings with different specifications, the support legs 2 comprise hydraulic telescopic rods or pneumatic telescopic rods or electric screw rods, so that the height of the support legs 2 can be adjusted.
For convenient manufacture, the guide beam 1 is a steel truss assembled by a bailey truss or a universal rod piece; the support legs 2 are of steel structure.
For making the structure more firm, nose girder 1 is two nose girder structures, but sets up horizontal migration crossbeam between two nose girders, and vertical transportation hoist engine 5 sets up on the crossbeam.
The process steps of the invention are as follows:
1) a steel truss assembled by a bailey truss or a universal rod piece is used as a guide beam, and a telescopic steel support leg is arranged at the beam end of the guide beam;
2) a transverse moving mechanism is arranged on two boundary piers (abutment) of the arch bridge;
3) placing the guide beam on the transverse moving mechanism;
4) laying a track on the guide beam;
5) installing two horizontal travelling trolleys and vertical transport winches on the horizontal travelling trolleys, and installing the horizontal travelling winches and a control chamber;
6) transporting the prefabricated arch ring segment to the upper space of the bridge opening through a guide beam;
7) the arch box is lowered to a designed position by using a vertical transport winch, and the installation angle of the prefabricated arch ring can be adjusted through front and rear hoisting points;
8) the prefabricated arch ring which is in place is fixed through a buckle cable and a cable wind cable;
9) and (4) sequentially carrying out guide beam transportation, and fixing each prefabricated arch ring segment by a buckling cable and a cable wind cable until the prefabricated arch ring segments are folded into an arch.
Claims (5)
1. The device of prefabricated arch ring is erect in the pilot beam assistance, its characterized in that: the device comprises a guide beam (1), wherein support legs (2) are fixedly and continuously arranged at two ends of the bottom of the guide beam (1), a transverse moving mechanism (3) is arranged at the bottom of each support leg (2), and the transverse moving mechanism (3) is used for driving the support legs (2) to move along the horizontal direction; the transverse moving mechanism (3) is fixedly arranged on two boundary piers or abutment of the arch bridge; a track is laid on the guide beam (1) along the length direction of the guide beam, a horizontal moving trolley (4) is mounted on the track, a vertical transport winch (5) is mounted on the horizontal moving trolley (4), and a horizontal moving winch (6) for driving the horizontal moving trolley (4) to move on the track is arranged on the guide beam (1); the number of the horizontal moving trolleys (4) is two, and each horizontal moving trolley (4) is provided with a vertical transport winch (5); the horizontal moving winches (6) are arranged at two ends of the guide beam (1), and the horizontal moving trolley (4) is arranged between the two horizontal moving winches (6).
2. The device for erecting the precast arch ring by the aid of the guide beam as recited in claim 1, wherein: the driving direction of the transverse moving mechanism (3) is vertical to the length direction of the guide beam (1).
3. The device for erecting the precast arch ring by the aid of the guide beam as recited in claim 1 or 2, wherein: the supporting legs (2) comprise hydraulic telescopic rods, pneumatic telescopic rods or electric screw rods, so that the height of the supporting legs (2) can be adjusted.
4. The device for erecting the precast arch ring by the aid of the guide beam as recited in claim 1 or 2, wherein: the guide beam (1) is a steel truss assembled by a bailey truss or a universal rod piece.
5. The device for erecting the precast arch ring by the aid of the guide beam as recited in claim 1 or 2, wherein: the guide beams (1) are of a double-guide-beam structure, a horizontally movable beam is arranged between the double guide beams, and the vertical transportation winch (5) is arranged on the beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710240193.1A CN106836003B (en) | 2017-04-13 | 2017-04-13 | Device for erecting prefabricated arch ring by aid of guide beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710240193.1A CN106836003B (en) | 2017-04-13 | 2017-04-13 | Device for erecting prefabricated arch ring by aid of guide beam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106836003A CN106836003A (en) | 2017-06-13 |
| CN106836003B true CN106836003B (en) | 2020-03-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710240193.1A Active CN106836003B (en) | 2017-04-13 | 2017-04-13 | Device for erecting prefabricated arch ring by aid of guide beam |
Country Status (1)
| Country | Link |
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| CN (1) | CN106836003B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020060520A (en) * | 2001-01-11 | 2002-07-18 | 신영균 | Arch-shaped bridge division construction method |
| CN201058969Y (en) * | 2007-07-09 | 2008-05-14 | 郑州市华中建机有限公司 | Novel bridging machine |
| CN202031029U (en) * | 2011-02-25 | 2011-11-09 | 中交四航局第一工程有限公司 | Cross-arch rib gantry crane |
| CN202347441U (en) * | 2011-11-04 | 2012-07-25 | 北京百善重工有限公司 | Girder lifter |
| CN105926444A (en) * | 2016-04-22 | 2016-09-07 | 中铁二院工程集团有限责任公司 | Concrete arch bridge arching method |
| CN206736726U (en) * | 2017-04-13 | 2017-12-12 | 中国电建集团成都勘测设计研究院有限公司 | The device of the prefabricated arch ring of nose girder auxiliary erection |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106284088A (en) * | 2016-08-31 | 2017-01-04 | 中国冶集团有限公司 | Prefabricated arch bar lifting method of temporarily fixing |
-
2017
- 2017-04-13 CN CN201710240193.1A patent/CN106836003B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020060520A (en) * | 2001-01-11 | 2002-07-18 | 신영균 | Arch-shaped bridge division construction method |
| CN201058969Y (en) * | 2007-07-09 | 2008-05-14 | 郑州市华中建机有限公司 | Novel bridging machine |
| CN202031029U (en) * | 2011-02-25 | 2011-11-09 | 中交四航局第一工程有限公司 | Cross-arch rib gantry crane |
| CN202347441U (en) * | 2011-11-04 | 2012-07-25 | 北京百善重工有限公司 | Girder lifter |
| CN105926444A (en) * | 2016-04-22 | 2016-09-07 | 中铁二院工程集团有限责任公司 | Concrete arch bridge arching method |
| CN206736726U (en) * | 2017-04-13 | 2017-12-12 | 中国电建集团成都勘测设计研究院有限公司 | The device of the prefabricated arch ring of nose girder auxiliary erection |
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| Publication number | Publication date |
|---|---|
| CN106836003A (en) | 2017-06-13 |
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