CN105113414A - Method for quickly setting up main ropes of suspension bridge - Google Patents
Method for quickly setting up main ropes of suspension bridge Download PDFInfo
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- CN105113414A CN105113414A CN201510576441.0A CN201510576441A CN105113414A CN 105113414 A CN105113414 A CN 105113414A CN 201510576441 A CN201510576441 A CN 201510576441A CN 105113414 A CN105113414 A CN 105113414A
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- main rope
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- rope
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Abstract
The invention discloses a method for quickly setting up main ropes of a suspension bridge. The method comprises the steps that one main rope is straightened and looped; a traction system is arranged; the movable end of the main rope is pulled to the opposite bank, and temporary connection is carried out; the traction system is transformed, a fixed pulley block and a movable pulley block are used for continuing to pull the movable end of the main rope to the design position; a fork lug type adjusting lock is manually adjusted, and the vector of the main rope is adjusted to the design requirement; and the rest of main ropes continue to be set up according to the above steps. According to the method, the traction cost of the main ropes of the cableway bridge is greatly reduced, work efficiency is improved, and the method is particularly suitable for traction of main ropes of cableway bridges of various spans, widths and main rope tensions in various precipitous-terrain places with traffic inconvenience.
Description
Technical field
The present invention relates to technical field of building construction, particularly a kind of suspension bridge main rope fast erecting method.
Background technology
At present, the main rope of domestic cable way bridge draws main employing method and is: adopt Tuo Daohuomao road, on Tuo Dao or cat road, spacing lays steel pipe equably, make main rope under the holder in Tuo Dao or cat road is protected, and is drawn slide above it along Tuo Dao or cat road by working cable actuated small roadster.
The method shortcoming:
1, set up unnecessary Tuo Daohuomao road, greatly add engineering cost, and main rope propulsive efficiency is too low, slow down construction speed;
2, the scope in Mao Daohuotuo road is easily departed from when main rope reverses;
3, run into the cable way bridge that span is comparatively large, tension force is comparatively large, bridge floor is wider, utilize the method to be difficult to main rope traction construction.
Summary of the invention
Goal of the invention of the present invention is: for above-mentioned Problems existing, a kind of suspension bridge main rope fast erecting method is provided, to solve three problems existed in above-mentioned existing construction technology, efficiency of construction is faster, cost is lower, and is applicable to the cable way bridge main rope traction of the dangerously steep area of various physical features and various span, width, main cable's tension.
The technical solution used in the present invention is such:
A kind of suspension bridge main rope fast erecting method, comprises the following steps:
The first step, before building opposite bank anchorage concrete, pre-buried many earth anchor wire rope and Duo Gen alloy pull bar within the walls after anchorage, and fix No. two angle pulleies and fixed pulley group by earth anchor wire rope;
Second step, at construction bank, is connected the wire rope of a hoist engine with the fixed end of the main rope of lopping, starts a hoist engine after an angle pulley, and main rope is stretching on the bank in construction, and posts retroreflective sheeting in main rope span centre position;
3rd step, at construction bank, is drawn the wire rope of No. two hoist engines to opposite bank by working cable, after No. two angle pulleies being fixed on wall after the anchorage of opposite bank, returns construction bank again; 3rd step and second step can carry out or exchange sequence simultaneously;
4th step, main rope fixed end is walked around to construct and is connected with the wire rope movable end of No. two hoist engines after steering wheel on the bank, the fixed end of main rope and movable end all reserved one section as free segment, on the free segment termination of main rope movable end, yoke ear formula regulates lockset;
5th step, opens a hoist engine and No. two hoist engines simultaneously, and main rope movable end draws to opposite bank by No. two hoist engines, and a hoist engine releases main rope simultaneously, after fork ear formula regulates lockset to stride across the anchorage front wall on opposite bank, stops traction immediately;
6th step, on the opposite bank, on alloy pull bar corresponding on wall after main rope fixed end being fixed on the anchorage of construction bank, regulates lockset to be connected by the alloy pull bar that steel cable is corresponding with on wall after anchorage the fork ear formula of main rope movable end temporarily;
7th step, at construction bank, unclamps a hoist engine and No. two hoist engines, then is drawn to opposite bank by working cable by the wire rope of No. three hoist engines;
8th step, on the opposite bank, after the steel wire rope end head of No. three hoist engines walks around the fixed pulley group after anchorage on wall and the some circles of running block before anchorage front wall, be fixed in the fixed pulley group of wall after anchorage again, running block is connected with the main rope part before anchorage front wall with the wire rope of main rope same model by one again;
9th step, starts No. three hoist engines, and running block is gradually near fixed pulley group, and the fork ear formula of main rope movable end regulates lockset close to after corresponding alloy pull bar, directly regulates lockset to be fixedly connected with alloy pull bar fork ear formula;
Tenth step, by the wire rope of " pine, put " No. three hoist engines, manual adjustment fork ear formula regulates lockset that the vector of main rope is adjusted to designing requirement, then unties the connection between fixed pulley group and main rope, so far, completes the erection of a main rope;
11 step, repeats second step to the tenth step, continues all the other main ropes of erection.
As preferably, on the opposite bank, the steel wire rope end head of No. three hoist engines walks around fixed pulley group and running block four circle.
As preferably, a described hoist engine, No. two hoist engine pulling force are 3 tons, and described No. three hoist engine pulling force are 8 tons.
In 8th step, before anchorage front wall, the position of indication should be from construction bank, will near the position of the anchorage front wall on opposite bank.
The inventive point of technique scheme is as follows:
1, three hoist engines and all carrying out on the bank with one end at suspension bridge the stretching of main rope, are specially adapted to that various physical features is dangerously steep, have inconvenient traffic area.
2, adopt fixed pulley group and movable pulley to complete the traction of main rope movable end in place, the wire rope of No. three hoist engines around the number of turns more, then require lower to the tractive force of No. three hoist engines.If directly drawn on the opposite bank with No. three hoist engines, tractive force needs 32 tons; If adopt fixed pulley group and movable pulley, construction No. three hoist engine tractive force on the bank around four circles, then can require to be reduced to 8 tons by wire rope.If around the number of turns more, then No. three hoist engines tractive force require will be lower.This is very beneficial for hoist engine to select and cost control, and equipment conveying is also convenient.
3, adopt fork ear formula to regulate lockset, when being finally fixedly connected with the alloy pull bar of a pin-and-hole with front end, just can completing fast with bearing pin and being fixedly connected with; After being fixedly connected with, lockset can also being regulated jointly to coordinate with No. three hoist engines by fork ear formula, the vector of main rope is finely tuned.
In sum, owing to have employed technique scheme, the inventive method greatly reduce cable way bridge main rope traction cost, improve operating efficiency, be specially adapted to various physical features dangerously steep, have inconvenient traffic area and various span, width, main cable's tension cable way bridge main rope traction.
Accompanying drawing explanation
Fig. 1 is that the inventive method utilizes a stretching main rope of hoist engine and utilizes No. two hoist engines main rope movable end to be moved to the schematic diagram on opposite bank.
Fig. 2 is the schematic diagram that the inventive method utilizes No. three hoist engines and regulates further main rope movable end.
Fig. 3 is the flow chart that the inventive method is summarized.
Mark in figure: 1 is wall after anchorage, and 2 is anchor case, and 3 is anchorage front wall, 4 is a hoist engine, 5 is No. two hoist engines, and 6 is No. three hoist engines, and 7 is an angle pulley, 8 is steering wheel, 9 is No. two angle pulleies, and 10 is fixed pulley group, and 11 is running block, 12 is fork ear formula adjustment lockset, and 13 is alloy pull bar.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
Embodiment:
A kind of suspension bridge main rope fast erecting method, comprises the following steps:
The first step, before building opposite bank anchorage concrete, pre-buried many earth anchor wire rope and Duo Gen alloy pull bar 13 in wall 1 after anchorage, and fix No. two angle pulleies 9 and fixed pulley group 10 by earth anchor wire rope.
Second step, at construction bank, is connected the wire rope of a hoist engine 4 with the fixed end of the main rope 2 of lopping, starts a hoist engine 4 after an angle pulley 7, and main rope 2 is stretching on the bank in construction, and posts retroreflective sheeting in main rope 2 span centre position.
3rd step, at construction bank, is drawn the wire rope of No. two hoist engines 5 to opposite bank by working cable, after No. two angle pulleies 9 being fixed on wall 1 after the anchorage of opposite bank, returns construction bank again; 3rd step and second step can carry out or exchange sequence simultaneously.
4th step, main rope 2 fixed end is walked around to construct and is connected with the wire rope movable end of No. two hoist engines 5 after steering wheel 8 on the bank, the fixed end of main rope 2 and movable end all reserve one section as free segment, and on the free segment termination of main rope 2 movable end, yoke ear formula regulates lockset 12.
5th step, opens a hoist engine 4 simultaneously and main rope 2 movable end draws to opposite bank by No. two hoist engines 5, No. two hoist engines 5, and a hoist engine 4 releases main rope 2 simultaneously, after fork ear formula regulates lockset 12 to stride across the anchorage front wall 3 on opposite bank, stops traction immediately.
The state of five steps can reference diagram 1 above.
6th step, on the opposite bank, on alloy pull bar 13 corresponding on wall 1 after main rope 2 fixed end being fixed on the anchorage of construction bank, regulates lockset 12 to be connected by the alloy pull bar 13 that steel cable is corresponding with on wall after anchorage 1 the fork ear formula of main rope 2 movable end temporarily.
7th step, at construction bank, unclamps a hoist engine 4 and No. two hoist engines 5, then is drawn to opposite bank by working cable by the wire rope of No. three hoist engines 6.
8th step, on the opposite bank, after the steel wire rope end head of No. three hoist engines 6 walks around the fixed pulley group 10 after anchorage on wall 1 and the some circles of running block 11 before anchorage front wall 3, be fixed in the fixed pulley group 10 of wall 1 after anchorage again, running block 11 is connected with main rope 2 part before anchorage front wall 3 with the wire rope of main rope 2 same model by one again.
9th step, starts No. three hoist engines 6, and running block 11 is gradually near fixed pulley group 10, and the fork ear formula of main rope 2 movable end regulates lockset 12 close to after corresponding alloy pull bar 13, directly regulates lockset 12 to be fixedly connected with alloy pull bar 13 fork ear formula.
Tenth step, by the wire rope of " pine, put " No. three hoist engines 6, manual adjustment fork ear formula regulates lockset 12 that the vector of main rope 2 is adjusted to designing requirement, then unties the connection between fixed pulley group 10 and main rope, so far, completes the erection of a main rope 2.
The state of the six to ten step as shown in Figure 2.
11 step, repeats second step to the tenth step, continues all the other main ropes of erection.
The overview flow chart of each step of such scheme as shown in Figure 3.
Claims (3)
1. a suspension bridge main rope fast erecting method, is characterized in that comprising the following steps:
The first step, before building opposite bank anchorage concrete, pre-buried many earth anchor wire rope and Duo Gen alloy pull bar (13) in wall (1) after anchorage, and fix No. two angle pulleies (9) and fixed pulley group (10) by earth anchor wire rope;
Second step, at construction bank, the wire rope of a hoist engine (4) is connected with the fixed end of the main rope (2) of lopping after an angle pulley (7), starts a hoist engine (4), main rope (2) is stretching on the bank in construction, and post retroreflective sheeting in main rope (2) span centre position;
3rd step, at construction bank, is drawn the wire rope of No. two hoist engines (5) to opposite bank by working cable, after No. two angle pulleies (9) being fixed on wall (1) after the anchorage of opposite bank, returns construction bank again; 3rd step and second step can carry out or exchange sequence simultaneously;
4th step, main rope (2) fixed end is walked around steering wheel (8) on the bank of constructing and is connected with the wire rope movable end of No. two hoist engines (5) afterwards, the fixed end of main rope (2) and movable end all reserve one section as free segment, and on the free segment termination of main rope (2) movable end, yoke ear formula regulates lockset (12);
5th step, open a hoist engine (4) and No. two hoist engines (5) simultaneously, main rope (2) movable end draws to opposite bank by No. two hoist engines (5), a hoist engine (4) releases main rope (2) simultaneously, after fork ear formula regulates lockset (12) to stride across the anchorage front wall (3) on opposite bank, stop traction immediately;
6th step, on the opposite bank, main rope (2) fixed end to be fixed on after the anchorage of construction bank on the upper corresponding alloy pull bar (13) of wall (1), the fork ear formula of main rope (2) movable end to be regulated lockset (12) to go up corresponding alloy pull bar (13) by steel cable and wall after anchorage (1) and connect temporarily;
7th step, at construction bank, unclamps a hoist engine (4) and No. two hoist engines (5), then is drawn to opposite bank by working cable by the wire rope of No. three hoist engines (6);
8th step, on the opposite bank, after the steel wire rope end head of No. three hoist engines (6) walks around the fixed pulley group (10) after anchorage on wall (1) and running block (11) the some circles before anchorage front wall (3), be fixed in the fixed pulley group (10) of wall (1) after anchorage again, running block (11) is partly connected with the main rope (2) before anchorage front wall (3) with the wire rope of main rope (2) same model by one again;
9th step, start No. three hoist engines (6), running block (11) is gradually near fixed pulley group (10), the fork ear formula of main rope (2) movable end regulates lockset (12) close to after corresponding alloy pull bar (13), directly will pitch ear formula and regulate lockset (12) to be fixedly connected with alloy pull bar (13);
Tenth step, by the wire rope of " pine, put " No. three hoist engines (6), manual adjustment fork ear formula regulates lockset (12) that the vector of main rope (2) is adjusted to designing requirement, then unties the connection between fixed pulley group (10) and main rope, so far, the erection of a main rope (2) is completed;
11 step, repeats second step to the tenth step, continues all the other main ropes of erection (2).
2. a kind of suspension bridge main rope fast erecting method according to claim 1, is characterized in that; On the opposite bank, the steel wire rope end head of No. three hoist engines (6) walks around fixed pulley group (10) and running block (11) four circle.
3. a kind of suspension bridge main rope fast erecting method according to claim 2, is characterized in that: a described hoist engine (4), No. two hoist engine (5) pulling force are 3 tons, and described No. three hoist engine (6) pulling force are 8 tons.
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| CN201510576441.0A CN105113414B (en) | 2015-09-11 | 2015-09-11 | A kind of suspension bridge main rope fast erecting method |
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| CN201510576441.0A CN105113414B (en) | 2015-09-11 | 2015-09-11 | A kind of suspension bridge main rope fast erecting method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106044579A (en) * | 2016-08-01 | 2016-10-26 | 长江勘测规划设计研究有限责任公司 | Structure and method for assisting traction skyline to cross river by cable crane traveling trolley |
| CN108100888A (en) * | 2017-12-14 | 2018-06-01 | 中交公局海威工程建设有限公司 | A kind of main rope fast erecting installation method |
| CN109371854A (en) * | 2018-10-17 | 2019-02-22 | 中交二航局第二工程有限公司 | The method of cable crane construction large-span suspension bridge stiff girder |
| CN109768502A (en) * | 2019-01-30 | 2019-05-17 | 江苏省送变电有限公司 | A kind of transmission line of electricity not overboard lead over strait puts Di Nima construction method |
| CN110359356A (en) * | 2019-07-30 | 2019-10-22 | 中国电建集团成都勘测设计研究院有限公司 | Small arrow degree difference cable way bridge |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2130524C1 (en) * | 1997-10-03 | 1999-05-20 | Милованов Борис Васильевич | Guy suspension bridge and method for its erection |
| CN1936189B (en) * | 2006-10-13 | 2010-04-14 | 浙江省舟山连岛工程建设指挥部 | Method for erecting guide-cable in suspension cable bridge traction system |
| CN202090286U (en) * | 2011-01-30 | 2011-12-28 | 中交三航局第三工程有限公司 | Traction system suitable for self-anchored type double cable plane suspension bridge |
| CN102720141B (en) * | 2012-07-13 | 2015-08-19 | 广东省长大公路工程有限公司 | Guide cable crosses the river construction method integrated with Traction sysytem |
| CN202881852U (en) * | 2012-08-02 | 2013-04-17 | 巨力索具股份有限公司 | Suspension bridge cable installation system |
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2015
- 2015-09-11 CN CN201510576441.0A patent/CN105113414B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106044579A (en) * | 2016-08-01 | 2016-10-26 | 长江勘测规划设计研究有限责任公司 | Structure and method for assisting traction skyline to cross river by cable crane traveling trolley |
| CN108100888A (en) * | 2017-12-14 | 2018-06-01 | 中交公局海威工程建设有限公司 | A kind of main rope fast erecting installation method |
| CN108100888B (en) * | 2017-12-14 | 2020-03-10 | 中交一公局海威工程建设有限公司 | Main cable rapid erection and installation method |
| CN109371854A (en) * | 2018-10-17 | 2019-02-22 | 中交二航局第二工程有限公司 | The method of cable crane construction large-span suspension bridge stiff girder |
| CN109768502A (en) * | 2019-01-30 | 2019-05-17 | 江苏省送变电有限公司 | A kind of transmission line of electricity not overboard lead over strait puts Di Nima construction method |
| CN110359356A (en) * | 2019-07-30 | 2019-10-22 | 中国电建集团成都勘测设计研究院有限公司 | Small arrow degree difference cable way bridge |
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| CN105113414B (en) | 2016-09-21 |
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Address after: Qinghua East Road in Qingbaijiang District of Chengdu City, Sichuan Province, No. 173 610300 Patentee after: No.7 Engineering Co., Ltd. of China Railway No.8 Engineering Group Co., Ltd Address before: Qinghua East Road in Qingbaijiang District of Chengdu City, Sichuan Province, No. 173 610300 Patentee before: BRIDGE ENGINEERING COMPANY OF CHINA RAILWAY NO.8 ENGINEERING GROUP Co.,Ltd. |