CN114481859A - Method for hanging and replacing steel pipe arch of railway - Google Patents
Method for hanging and replacing steel pipe arch of railway Download PDFInfo
- Publication number
- CN114481859A CN114481859A CN202210287533.7A CN202210287533A CN114481859A CN 114481859 A CN114481859 A CN 114481859A CN 202210287533 A CN202210287533 A CN 202210287533A CN 114481859 A CN114481859 A CN 114481859A
- Authority
- CN
- China
- Prior art keywords
- cable
- arch
- rope
- arch rib
- anchor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 46
- 239000010959 steel Substances 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 36
- 230000005484 gravity Effects 0.000 claims abstract description 9
- 238000010276 construction Methods 0.000 claims description 42
- 230000001174 ascending effect Effects 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 4
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 19
- 238000009434 installation Methods 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a method for hanging and replacing a steel pipe arch of a railway, which drives a traction rope by starting a winch, the traction rope drives the traction rope to ascend, and a rope hanging bracket is stably placed on an arch rib under the coordination of traction force of at least one chain block and the winch and the gravity of the traction rope when the traction rope ascends.
Description
Technical Field
The invention relates to the technical field of steel pipe arch suspension cable construction, in particular to a method for replacing a steel pipe arch suspension cable of a railway.
Background
In recent years, steel pipe arch construction is developed rapidly, a flexible suspender is applied more and more obviously, a parallel high-strength steel wire extrusion finished product inhaul cable and a steel strand whole bundle extrusion inhaul cable are main forms of the flexible suspender, the application in a steel arch bridge is wide, the installation of the suspender is difficult to be carried out on the bridge floor due to the application of a steel-concrete combined bridge floor system, in the prior art, a method for installing a traction device on an arch rib is adopted when a cable is hung on a steel pipe arch for the first time and the cable is replaced on the steel pipe arch, but the arch rib is easy to be damaged and an anti-corrosion coating of the arch rib is damaged, the cable hanging construction cannot be carried out continuously, a method for carrying out the suspender traction installation by adopting a crane is also adopted, the crane cannot work safely due to the limitation of the load and the space of the steel arch bridge, particularly, the crane construction is more unfavorable in the field of railway steel pipe arches, and a method for installing the hanger manually is also adopted, but the erection height and stability, the traction angle of the hanger and the operation surface of workers are difficult to meet at the same time, the work efficiency is low, and the high-altitude operation risk is large.
Disclosure of Invention
The invention aims to provide a method for hanging and replacing a steel pipe arch cable of a railway aiming at the defects and shortcomings of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a method for hanging a cable by a steel pipe arch of a railway comprises the following steps:
(1) placing a cable hanging bracket on the arch rib and above one of the arch rib anchor pipes, connecting the cable hanging bracket and the arch rib through at least one chain block, installing a steering pulley on the cable hanging bracket and right above the arch rib anchor pipe, connecting one end of a traction rope with a winch, and matching the other end of the traction rope with the steering pulley;
(2) sequentially mounting a spherical washer and an anchor cup nut on the arch rib and above the arch rib anchor pipe;
(3) the other end of the traction rope sequentially penetrates through the anchor cup nut, the spherical gasket and the arch rib anchor pipe;
(4) connecting the other end of the traction rope with an anchor cup on a guy cable with the anchor cup;
(5) the winch is started to drive the traction rope, the traction rope drives the guy rope to ascend, the guy rope support is stably placed on the arch rib under the coordination of at least one chain block, the traction force of the winch and the gravity of the guy rope when the guy rope ascends, the guy rope sequentially penetrates through the anchor pipe of the arch rib and the spherical washer in the process of ascending, and is connected with the anchor cup nut when the guy rope ascends to a preset position, and the other end of the traction rope is detached from the guy rope after connection, so that the guy rope hanging construction on one anchor pipe of the arch rib is completed;
(6) adjusting the chain block so as to adjust the distance between the connecting position of the chain block and the arch rib and the cable hanging bracket, movably placing the cable hanging bracket above the next arch rib anchor pipe, and repeating the steps (2) to (5) to complete the cable hanging construction of a cable on the next arch rib anchor pipe;
(7) and (6) repeating the step (6) for a plurality of times to finish the cable hanging construction of the stay cable on the steel pipe arch.
The further improvement is that: the arc rib is provided with an ear plate, and the chain block is connected with the arc rib through the ear plate.
The further improvement is that: the connecting position of the chain block and the arch rib is opposite to the connecting position of the traction rope and the winch; the number of the chain blocks is two, and the connecting positions of the two chain blocks and the hanging rope support are in the same area or different areas.
The further improvement is that: after the construction of the hanging cable of the inhaul cable on the steel pipe arch is finished, the concentrated adjustment of the cable force is carried out on the inhaul cable.
The further improvement is that: and a traction plate is arranged at the other end of the traction rope and is connected with an anchor cup on the inhaul cable.
A method for replacing a cable of a steel pipe arch of a railway comprises the following steps:
(1) respectively disassembling the stay cable with the anchor cup to be replaced from the corresponding anchor cup nut;
(2) placing a cable hanging bracket on an arch rib and above a corresponding arch rib anchor pipe after the cable is disassembled, connecting the cable hanging bracket and the arch rib through at least one chain block, installing a steering pulley on the cable hanging bracket and above the arch rib anchor pipe, connecting one end of a traction rope with a winch, and matching the other end of the traction rope with the steering pulley;
(3) the other end of the traction rope sequentially penetrates through the anchor cup nut, the spherical washer and the arch rib anchor pipe;
(4) connecting the other end of the traction rope with an anchor cup on a new inhaul cable with the anchor cup;
(5) the winch is started to drive the traction rope, the traction rope drives a new guy rope to ascend, the guy rope support is stably placed on the arch rib under the matching of the traction force of at least one chain block and the winch and the gravity of the new guy rope when the new guy rope ascends, the new guy rope sequentially penetrates through the anchor pipe of the arch rib and the spherical washer in the ascending process and is connected with the anchor cup nut when the new guy rope ascends to a preset position, and the other end of the traction rope is detached from the new guy rope after connection, so that the guy rope construction of the new guy rope on one anchor pipe of the arch rib is completed;
(6) adjusting the chain block so as to adjust the distance between the connecting position of the chain block and the arch rib and the cable hanging bracket, movably placing the cable hanging bracket above the corresponding arch rib anchor pipe of the next disassembled cable, and repeating the steps (3) to (5) to complete the cable hanging construction of a new cable on the anchor pipe of the next arch rib;
(7) and (6) repeating the step (6) for a plurality of times to finish the cable replacement construction of the steel pipe arch.
The further improvement is that: the arc rib is provided with an ear plate, and the chain block is connected with the arc rib through the ear plate.
The further improvement is that: the connecting position of the chain block and the arch rib is opposite to the connecting position of the traction rope and the winch; the number of the chain blocks is two, and the connecting positions of the two chain blocks and the hanging rope support are in the same area or different areas.
The further improvement is that: after the cable replacement construction on the steel pipe arch is completed, cable force concentration adjustment is carried out on the stay cable.
The further improvement is that: and a traction plate is arranged at the other end of the traction rope and is connected with the anchor cup on the new inhaul cable.
After the technical scheme is adopted, the invention has the beneficial effects that: the invention drives the traction rope by starting the hoist, the traction rope drives the guy rope to ascend, the guy rope support is stably placed on the arch rib under the coordination of the traction force of at least one chain block and the hoist and the gravity of the guy rope when the guy rope ascends, compared with the method for installing the traction device on the arch rib, the construction method of the invention does not need to install the guy rope support on the arch rib, the damage to the arch rib and the anticorrosive coating is reduced, and the position of the guy rope support can be freely adjusted on the arch rib, so that continuous guy rope hanging can be carried out, the working efficiency is greatly improved, compared with the method for carrying out the suspender traction installation by adopting a crane when the guy rope is firstly hung on the steel pipe arch and the guy rope is changed on the steel pipe arch and the method for installing by adopting the erected installation manual hanger, the construction method of the invention is not limited by the load and the space of the steel arch bridge, the construction speed is faster, the construction time is saved, meanwhile, a large amount of labor cost and materials are saved, the construction period is greatly shortened, and the construction quality is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the construction of the present invention.
Description of reference numerals: 1. a cable hanging bracket; 2. an arch rib; 21. an ear plate; 3. a chain block; 4. a steering block; 5. a spherical washer; 6. an anchor cup nut; 7. a hauling rope; 8. a traction plate; 9. a cable; 91. an anchor cup.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, the technical solution adopted by the present embodiment is: a construction method of a railway steel pipe arch suspension cable comprises the following steps:
(1) placing a cable hanging bracket 1 on arch ribs 2 and above one anchor pipe of the arch ribs 2, connecting the cable hanging bracket 1 with the arch ribs 2 through at least one chain block 3, installing a steering pulley 4 on the cable hanging bracket 1 and right above the anchor pipe of the arch ribs 2, connecting one end of a traction rope 7 with a winch, and matching the other end of the traction rope 7 with the steering pulley 4;
(2) a spherical washer 5 and an anchor cup nut 6 are sequentially arranged on the arch rib 2 and positioned above an anchor pipe of the arch rib 2;
(3) the other end of the hauling cable 7 sequentially passes through the anchor cup nut 6, the spherical washer 5 and the arch rib 2 anchor pipe;
(4) the other end of the hauling cable 7 is connected with an anchor cup 91 on a guy cable 9 with the anchor cup 91;
(5) the winch is started to drive the traction rope 7, the traction rope 7 drives the guy cable 9 to ascend, the guy cable 9 is stably placed on the arch rib 2 under the matching of at least one chain block 3, the traction force of the winch and the gravity of the guy cable 9 when ascending, the guy cable 9 sequentially penetrates through the anchor pipe of the arch rib 2 and the spherical washer 5 in the ascending process and is connected with the anchor cup nut 6 when ascending to a preset position, the other end of the traction rope 7 is detached from the guy cable 9 after connection, and the guy cable 9 hanging construction on the anchor pipe of one arch rib 2 is completed;
(6) adjusting the chain block 3 so as to adjust the distance between the connecting position of the chain block 3 and the arch rib 2 and the cable hanging bracket 1, movably placing the cable hanging bracket 1 above the anchor pipe of the next arch rib 2, repeating the steps (2) to (5), and completing the cable hanging construction of a cable 9 on the anchor pipe of the next arch rib 2;
(7) and (5) repeating the step (6) for a plurality of times to finish the cable hanging construction of the stay cable 9 on the steel pipe arch.
The invention is further optimized by installing the lug plate 21 on the arch rib 2 and connecting the chain block 3 with the arch rib 2 through the lug plate 21.
The invention is further optimized, the connecting position of the chain block 3 and the arch rib 2 is opposite to the connecting position of the traction rope 7 and the winch.
The invention is further optimized, the number of the chain blocks 3 is two, and the connecting positions of the two chain blocks 3 and the hanging rope bracket 1 are in the same area or different areas.
The invention is further optimized, and after the cable hanging construction of the stay cable 9 on the steel pipe arch is finished, the cable force concentration adjustment is carried out on the stay cable 9.
According to the invention, the other end of the traction rope 7 is provided with the traction plate 8, and the traction plate 8 is connected with the anchor cup 91 on the inhaul cable 9.
Referring to fig. 1, the method for replacing the cable of the steel pipe arch of the railway is characterized by comprising the following steps:
the method comprises the following steps:
(1) respectively disassembling the stay cables with the anchor cups to be replaced from the corresponding anchor cup nuts 6;
(2) placing a cable hanging bracket 1 on an arch rib 2 and above a corresponding arch rib anchor pipe from which a cable is detached, connecting the cable hanging bracket 1 with the arch rib 2 through at least one chain block 3, installing a steering pulley 4 on the cable hanging bracket 1 and right above the arch rib anchor pipe, connecting one end of a traction rope 7 with a winch, and matching the other end of the traction rope 7 with the steering pulley 4;
(3) the other end of the hauling cable 7 sequentially passes through the anchor cup nut 6, the spherical washer 5 and the arch rib anchor pipe;
(4) the other end of the hauling cable 7 is connected with an anchor cup 91 on a new guy cable 9 with an anchor cup;
(5) the winch is started to drive the traction rope 7, the traction rope 7 drives the new guy cable 9 to ascend, the guy cable support 1 is stably placed on the arch rib 2 under the matching of at least one chain block 3, the traction force of the winch and the gravity of the new guy cable 9 when the new guy cable 9 ascends, the new guy cable 9 sequentially penetrates through the arch rib anchor pipe and the spherical washer 5 in the ascending process and is connected with the anchor cup nut 6 when the new guy cable ascends to a preset position, the other end of the traction rope 7 is detached from the new guy cable 9 after the connection, and the guy cable construction of the new guy cable on one arch rib anchor pipe is completed;
(6) adjusting the chain block 3 so as to adjust the distance between the connecting position of the chain block 3 and the arch rib 2 and the cable hanging bracket 1, movably placing the cable hanging bracket 1 above the corresponding arch rib anchor pipe of the next disassembled cable 9, repeating the steps (3) to (5), and completing the cable hanging construction of a new cable on the next arch rib anchor pipe;
(7) and (6) repeating the step (6) for a plurality of times to finish the cable replacement construction of the steel pipe arch.
The invention is further optimized by installing the lug plate 21 on the arch rib 2 and connecting the chain block 3 with the arch rib 2 through the lug plate 21.
The invention is further optimized, the connecting position of the chain block 3 and the arch rib 2 is opposite to the connecting position of the traction rope 7 and the winch; the number of the chain blocks 3 is two, and the connecting positions of the two chain blocks 3 and the cable hanging bracket 1 are in the same area or different areas.
The invention is further optimized, and after the cable replacement construction on the steel pipe arch is finished, the cable force concentration adjustment is carried out on the stay cable 9.
According to the invention, the other end of the traction rope 7 is provided with the traction plate 8, and the traction plate 8 is connected with the anchor cup 91 on the new inhaul cable 9.
The invention drives the traction rope by starting the hoist, the traction rope drives the guy rope to ascend, the guy rope support is stably placed on the arch rib under the coordination of the traction force of at least one chain block and the hoist and the gravity of the guy rope when the guy rope ascends, compared with the method for installing the traction device on the arch rib, the construction method of the invention does not need to install the guy rope support on the arch rib, the damage to the arch rib and the anticorrosive coating is reduced, and the position of the guy rope support can be freely adjusted on the arch rib, so that continuous guy rope hanging can be carried out, the working efficiency is greatly improved, compared with the method for carrying out the suspender traction installation by adopting a crane when the guy rope is firstly hung on the steel pipe arch and the guy rope is changed on the steel pipe arch and the method for installing by adopting the erected installation manual hanger, the construction method of the invention is not limited by the load and the space of the steel arch bridge, the construction speed is faster, the construction time is saved, meanwhile, a large amount of labor cost and materials are saved, the construction period is greatly shortened, and the construction quality is ensured.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are included to illustrate the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (10)
1. A method for hanging a cable by a steel pipe arch of a railway is characterized by comprising the following steps:
the method comprises the following steps:
(1) placing a cable hanging bracket on the arch rib and above one of the arch rib anchor pipes, connecting the cable hanging bracket and the arch rib through at least one chain block, installing a steering pulley on the cable hanging bracket and right above the arch rib anchor pipe, connecting one end of a traction rope with a winch, and matching the other end of the traction rope with the steering pulley;
(2) sequentially mounting a spherical washer and an anchor cup nut on the arch rib and above the arch rib anchor pipe;
(3) the other end of the traction rope sequentially penetrates through the anchor cup nut, the spherical washer and the arch rib anchor pipe;
(4) connecting the other end of the traction rope with an anchor cup on a guy cable with the anchor cup;
(5) the winch is started to drive the traction rope, the traction rope drives the guy rope to ascend, the guy rope support is stably placed on the arch rib under the coordination of at least one chain block, the traction force of the winch and the gravity of the guy rope when the guy rope ascends, the guy rope sequentially penetrates through the anchor pipe of the arch rib and the spherical washer in the process of ascending, and is connected with the anchor cup nut when the guy rope ascends to a preset position, and the other end of the traction rope is detached from the guy rope after connection, so that the guy rope hanging construction on one anchor pipe of the arch rib is completed;
(6) adjusting the chain block so as to adjust the distance between the connecting position of the chain block and the arch rib and the cable hanging bracket, movably placing the cable hanging bracket above the next arch rib anchor pipe, and repeating the steps (2) to (5) to complete the cable hanging construction of a cable on the next arch rib anchor pipe;
(7) and (6) repeating the step (6) for a plurality of times to finish the cable hanging construction of the stay cable on the steel pipe arch.
2. The method for suspending a cable by an arch of a steel pipe of a railway according to claim 1, wherein: the arc rib is provided with an ear plate, and the chain block is connected with the arc rib through the ear plate.
3. The method for suspending a cable by an arch of a steel pipe of a railway according to claim 1, wherein: the connecting position of the chain block and the arch rib is opposite to the connecting position of the traction rope and the winch; the number of the chain blocks is two, and the connecting positions of the two chain blocks and the hanging rope support are in the same area or different areas.
4. The method for suspending a cable by an arch of a steel pipe of a railway according to claim 1, wherein: after the construction of the suspension cable of the stay cable on the steel pipe arch is finished, the cable force is intensively adjusted for the stay cable.
5. The method for suspending a cable by an arch of a steel pipe of a railway according to claim 1, wherein: and a traction plate is arranged at the other end of the traction rope and is connected with an anchor cup on the inhaul cable.
6. A method for replacing a cable of a railway steel pipe arch is characterized by comprising the following steps:
the method comprises the following steps:
(1) respectively disassembling the inhaul cables with the anchor cups to be replaced from the corresponding anchor cup nuts;
(2) placing a cable hanging bracket on an arch rib and above a corresponding arch rib anchor pipe from which a cable is detached, connecting the cable hanging bracket and the arch rib through at least one chain block, installing a steering pulley on the cable hanging bracket and above the arch rib anchor pipe, connecting one end of a traction rope with a winch, and matching the other end of the traction rope with the steering pulley;
(3) the other end of the traction rope sequentially penetrates through the anchor cup nut, the spherical washer and the arch rib anchor pipe;
(4) connecting the other end of the traction rope with an anchor cup on a new inhaul cable with the anchor cup;
(5) the winch is started to drive the traction rope, the traction rope drives a new guy rope to ascend, the guy rope support is stably placed on the arch rib under the matching of the traction force of at least one chain block and the winch and the gravity of the new guy rope when the new guy rope ascends, the new guy rope sequentially penetrates through the anchor pipe of the arch rib and the spherical washer in the ascending process and is connected with the anchor cup nut when the new guy rope ascends to a preset position, and the other end of the traction rope is detached from the new guy rope after connection, so that the guy rope construction of the new guy rope on one anchor pipe of the arch rib is completed;
(6) adjusting the chain block so as to adjust the distance between the connecting position of the chain block and the arch rib and the cable hanging bracket, movably placing the cable hanging bracket above the corresponding arch rib anchor pipe of the next disassembled cable, and repeating the steps (3) to (5) to complete the cable hanging construction of a new cable on the next arch rib anchor pipe;
(7) and (6) repeating the step (6) for a plurality of times to finish the cable replacement construction of the steel pipe arch.
7. The method for suspending a cable of a railway steel pipe arch according to claim 6, wherein: the arc rib is provided with an ear plate, and the chain block is connected with the arc rib through the ear plate.
8. The method for suspending a cable of a railway steel pipe arch according to claim 6, wherein: the connecting position of the chain block and the arch rib is opposite to the connecting position of the traction rope and the winch; the number of the chain blocks is two, and the connecting positions of the two chain blocks and the hanging rope support are in the same area or different areas.
9. The method for suspending a cable of a railway steel pipe arch according to claim 6, wherein: after the cable replacement construction on the steel pipe arch is completed, cable force concentration adjustment is carried out on the stay cable.
10. The method for suspending a cable of a railway steel pipe arch according to claim 6, wherein: and a traction plate is arranged at the other end of the traction rope and is connected with the anchor cup on the new inhaul cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210287533.7A CN114481859B (en) | 2022-03-22 | 2022-03-22 | Railway steel pipe arch hanging cable and cable replacing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210287533.7A CN114481859B (en) | 2022-03-22 | 2022-03-22 | Railway steel pipe arch hanging cable and cable replacing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114481859A true CN114481859A (en) | 2022-05-13 |
| CN114481859B CN114481859B (en) | 2024-07-09 |
Family
ID=81488895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210287533.7A Active CN114481859B (en) | 2022-03-22 | 2022-03-22 | Railway steel pipe arch hanging cable and cable replacing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114481859B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003321805A (en) * | 2002-05-02 | 2003-11-14 | Sumitomo Mitsui Construction Co Ltd | Method for building arch bridge and bearing for arch bridge |
| CN101235624A (en) * | 2008-01-24 | 2008-08-06 | 中铁工程设计咨询集团有限公司 | Construction method for steel structure arch rib of arch-type bridge |
| CN203174507U (en) * | 2013-03-25 | 2013-09-04 | 广东省基础工程公司 | Steel pipe arch suspender installation device |
| CN106567319A (en) * | 2016-11-09 | 2017-04-19 | 深圳市市政设计研究院有限公司 | Flexible inhaul cable connection structure and bridge structure |
| CN109853393A (en) * | 2019-03-19 | 2019-06-07 | 湖南联智智能科技有限公司 | A kind of the hanging cable construction system and its construction method of king-tower vertical transfer cable-stayed bridge |
| CN212222219U (en) * | 2020-07-07 | 2020-12-25 | 中交二公局第三工程有限公司 | Adjustable arch rib installation hoisting device |
| CN113152282A (en) * | 2021-02-25 | 2021-07-23 | 中铁北京工程局集团(天津)工程有限公司 | Quick construction method for sling |
-
2022
- 2022-03-22 CN CN202210287533.7A patent/CN114481859B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003321805A (en) * | 2002-05-02 | 2003-11-14 | Sumitomo Mitsui Construction Co Ltd | Method for building arch bridge and bearing for arch bridge |
| CN101235624A (en) * | 2008-01-24 | 2008-08-06 | 中铁工程设计咨询集团有限公司 | Construction method for steel structure arch rib of arch-type bridge |
| CN203174507U (en) * | 2013-03-25 | 2013-09-04 | 广东省基础工程公司 | Steel pipe arch suspender installation device |
| CN106567319A (en) * | 2016-11-09 | 2017-04-19 | 深圳市市政设计研究院有限公司 | Flexible inhaul cable connection structure and bridge structure |
| CN109853393A (en) * | 2019-03-19 | 2019-06-07 | 湖南联智智能科技有限公司 | A kind of the hanging cable construction system and its construction method of king-tower vertical transfer cable-stayed bridge |
| CN212222219U (en) * | 2020-07-07 | 2020-12-25 | 中交二公局第三工程有限公司 | Adjustable arch rib installation hoisting device |
| CN113152282A (en) * | 2021-02-25 | 2021-07-23 | 中铁北京工程局集团(天津)工程有限公司 | Quick construction method for sling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114481859B (en) | 2024-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102444086B (en) | Cable hanging system for inclined stay cable of bridge and cable hanging method for inclined stay cable of bridge | |
| CN104278637B (en) | A kind of main rope of suspension bridge strand is without the cableway erection method in cat road | |
| CN105442458B (en) | Method for hanging and installing stay cable of cable-stayed bridge special-shaped tower pillar | |
| CN111042540A (en) | Construction method for aerial butt joint of ground suspension cables of super-large-span prestressed pipe truss | |
| CN102733310A (en) | Lifting construction method for arch rib segments of steel box handle-basket arch bridge | |
| CN111441256A (en) | A tension structure that is used for taking hoist cable of bulb pull rod to be connected with base | |
| CN203903767U (en) | Single-rail walking sling for installing power plant boiler equipment | |
| CN208932792U (en) | A kind of Prefabricated stacking floor demoulding lifting hanger | |
| CN100580182C (en) | Soft and hard composite three-level traction technique for stay cables and connecting device thereof | |
| CN201714057U (en) | Lifting mechanism for adhered electric lifting scaffold | |
| CN114481859A (en) | Method for hanging and replacing steel pipe arch of railway | |
| CN209554640U (en) | A kind of novel pier front rack transporting device | |
| CN217555687U (en) | Hoisting accessory is changed to cladding material workshop electric block part | |
| CN112722734B (en) | Method for transporting heavy steel pipes with large calibers in pipe gallery | |
| CN212452304U (en) | A tension structure that is used for taking hoist cable of bulb pull rod to be connected with base | |
| CN209816682U (en) | Bridge steel box girder aerial working operation platform | |
| CN211283445U (en) | Cable carries loop wheel machine installation mechanism | |
| CN210975581U (en) | Steel beam suspension splicing construction reverse jacking control device | |
| CN210002233U (en) | Hoisting system suitable for suspension bridge steel structure bridge deck system | |
| CN209779465U (en) | main tower erects cable-stay bridge's string cable construction system that changes | |
| CN201857225U (en) | Hoisting device for bridge crane frame | |
| CN208517821U (en) | A kind of simple hoisting apparatus for removing box beam beret slice | |
| CN218434470U (en) | Device for quickly hoisting bridge deck by cable crane | |
| CN217535401U (en) | Large-diameter pipeline installation auxiliary device in truss structure factory building | |
| CN212712397U (en) | Water pipe lifter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |