CN103790113B - A kind of steel strand stay cable reeving device and method of reeving thereof - Google Patents
A kind of steel strand stay cable reeving device and method of reeving thereof Download PDFInfo
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- CN103790113B CN103790113B CN201410036415.4A CN201410036415A CN103790113B CN 103790113 B CN103790113 B CN 103790113B CN 201410036415 A CN201410036415 A CN 201410036415A CN 103790113 B CN103790113 B CN 103790113B
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- steel strand
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Abstract
A kind of steel strand stay cable reeving device, comprises capstan system, platform system, driver and driving chain; Capstan system comprises noseplate, cylinder, terminal pad, tripod, capstan winch toothed disc and rotating shaft; Platform system for supporting whole capstan system is made up of framework, support and bearing; Driver assembly is the hoist engine of improvement, comprise as power source motor, be arranged on driver gear dish on hoist engine winding roll and the gear-box of toothed disc be installed.The method of reeving using this device to realize the steel strand stay cable of cable stayed bridge is the girder end whole for steel strand stay cable dish being positioned over bridge, and the anchored end of steel strand stay cable is drawn traction to king-tower end from rope dish; Steel strand stay cable anchored end imports from the cylinder side of steel strand stay cable reeving device, steel strand stay cable carries out order along noseplate and is wound around on cylinder, steel strand stay cable anchored end derives from cylinder opposite side and penetrates HDPE pipe, reeves along round tube inner wall from tower end toward beam-ends.
Description
Technical field
The present invention relates to the reeving device of a kind of bridge construction device and construction method, particularly a kind of steel strand stay cable of cable stayed bridge and method of reeving thereof.
Background technology
Steel strand cable stayed bridge adopts parallel steel stranded wire group anchor system as drag-line support system, and this type of drag-line is made up of steel strand, outsourcing rounding type HDPE pipe, needs to penetrate HDPE pipe when steel strand are installed; At present, steel strand stay cable construction is all generally adopt circulation hoist system, is drawn to king-tower end by guy of twisted steel cable by the reciprocating motion of supporting plate in HDPE pipe from girder end; Circulation hoist system all will be laid again when each hanging cable, and workload is comparatively large, complicated operation; When supporting plate moves in HDPE pipe, owing to being subject to the impact of HDPE pipe welding point and steel strand self torsion, can overturning in HDPE pipe, cause steel strand stay cable and endless rope to beat strand, be unfavorable for protecting finished guy cable.
Summary of the invention
The object of the present invention is to provide a kind of steel strand stay cable reeving device and method of reeving thereof, adopt this reeving device and method of reeving thereof, steel strand stay cable can not cause bending to beat strand in distraction procedure, connector easily through, reeve simple and convenient, to reeve technology Problems existing in order to solve existing circulation hoist.
For solving the problems of the technologies described above, the technical scheme that invention adopts is: a kind of steel strand stay cable reeving device, comprises capstan system, platform system, driver and driving chain;
Described capstan system comprises noseplate, cylinder, terminal pad, tripod, capstan winch toothed disc and rotating shaft;
The main body of capstan system is a circular drum, and rotating shaft drives cylinder to rotate through circular drum center, and tripod is arranged on cylinder both sides, and tripod outrigger is equilateral triangle, from three of tripod
hand overthe internal frame that some place draws is welded on the terminal pad that is positioned in rotating shaft; At three of tripod
hand overpoint place is separately installed with noseplate, and this noseplate is made up of six blocks of circular steel plates and a central axis; It is outer and be fixed in rotating shaft that capstan winch toothed disc is arranged on the side tripod of cylinder; Whole capstan system is supported by stand, and the strong point is the rotating shaft of cylinder;
Platform system for supporting whole capstan system is made up of framework, support and bearing; The framework be welded by shaped steel is positioned at bottom, and the support be welded by shaped steel is arranged on framework, and bearing is arranged on support top, is assemblied in the rotating shaft of capstan system;
Described driver assembly comprise as power source motor, be arranged on driver gear dish on hoist engine winding roll and the gear-box of toothed disc be installed.
Another relevant technical scheme is: a kind of method of reeving of steel strand stay cable of cable stayed bridge, the method is the girder end whole for steel strand stay cable dish being positioned over bridge, the anchored end of steel strand stay cable drawn from rope dish, steel strand stay cable draws to king-tower end by the steel strand stay cable reeving device adopting the present invention above-mentioned; Steel strand stay cable anchored end imports from the cylinder side of steel strand stay cable reeving device, steel strand stay cable carries out order along noseplate and is wound around on cylinder, steel strand stay cable anchored end derives from cylinder opposite side and penetrates HDPE pipe, reeves along round tube inner wall from tower end toward beam-ends.
The concrete steps of the method for reeving of the steel strand stay cable of described cable stayed bridge are:
A, erection equipment: steel strand stay cable reeving device is arranged in tower top and encorbelments on steelframe;
B, by steel strand stay cable traction to king-tower end: one end of wire rope guide cable is wound around along noseplate order on cylinder, the other end is connected with the anchored end of steel strand stay cable, start the motor of driver, driver gear dish drives capstan winch toothed disc by driving chain, drives whole cylinder to rotate; Cylinder is in rotation process, and guide cable traction steel strand stay cable imports from cylinder side, derives, until guide cable leaves cylinder completely from opposite side; With single hole anchor locking steel strand stay cable, remove guide cable;
C, to reeve from tower end toward beam-ends:
Cylinder is rotated further, and the anchored end of steel strand stay cable is transferred to the outer job platform of tower from overhead; Steel strand stay cable is penetrated HDPE pipe by the outer operating personnel of tower, and wears under round tube inner wall to girder end; The outer personnel of tower, with single hole anchor locking steel strand stay cable, remove connector;
The stretching end of D, anchoring steel strand stay cable and anchored end also carry out stretch-draw:
The stretching end of steel strand stay cable is connected with electric block pull rope in tower, is drawn by electric block in tower and carry out anchoring to tower, under girder end, at the bottom of steel strand suspension cable anchored end to beam, carry out anchoring; Carry out single tendon stretch according to design instruction in tower, complete the installation of a steel strand stay cable;
Repeat step C-D action, complete the installation of whole bundle steel strand stay cable.
The further technical scheme of the method for reeving of the steel strand stay cable of described cable stayed bridge is: the steel strand stay cable of the whole dish of described steel strand stay cable or a whole rope or the whole rope coupled together by linkage by the inclined cable section after the length that bridge stay cable needs is cut off.
Owing to taking above technical scheme, the steel strand stay cable reeving device of the present invention and the method for reeving thereof have following characteristics and beneficial effect:
1, the steel strand stay cable reeving device of the present invention comprises capstan system 1, platform system 2 and driver 3; Circular drum diameter as capstan system 1 main body is enough large, thus, has steel strand stay cable and can not cause bending in distraction procedure, connector easily through beneficial effect.
2. the circular drum 12 of the steel strand stay cable reeving device capstan system 1 of the present invention is provided with capstan winch noseplate 11, thus, has steel strand stay cable winding displacement in distraction procedure regular, is adjacent to cylinder, improves the beneficial effect of frictional force.
3. the driver of the steel strand stay cable reeving device of the present invention is converted by hoist engine, and this kind of common apparatus is selected convenient, and it is convenient to reequip, and power is adjustable, and speed is adjustable, cost-saving.
4. the method for reeving of the steel strand stay cable of the present invention adopts steel strand stay cable from king-tower end to the pattern of reeving of girder end, prevents steel strand stay cable in sleeve pipe, beat strand.
5. adopt the method for reeving of the steel strand stay cable of the present invention; construction is worn relying on the deadweight of steel strand stay cable just can complete it when steel strand stay cable is reeved from king-tower end to girder end; do not need by circulation hoist system; thus simple and convenient; steel strand stay cable can not overturn in HDPE pipe; also there will not be steel strand stay cable and endless rope to beat strand phenomenon, be beneficial to protection finished guy cable.
Below, in conjunction with the accompanying drawings and embodiments the steel strand stay cable reeving device of the present invention and the technical characteristic of method of reeving thereof are further described.
Accompanying drawing explanation
Fig. 1-1 ~ Fig. 1-3 is general structure schematic diagrames (under being provided with steel strand state) of the steel strand stay cable reeving device of the present invention:
Fig. 1-1: steel strand stay cable reeving device left view,
Fig. 1-2: steel strand stay cable reeving device right view,
Fig. 1-3: steel strand stay cable reeving device front view;
Fig. 2-1
~fig. 2-3 is capstan system structural representations:
Fig. 2-1: left view, Fig. 2-2: right view, Fig. 2-3: front view;
Fig. 3-1 ~ Fig. 3-3 is platform system structural representations:
Fig. 3-1: left view, Fig. 3-2: right view, Fig. 3-3: front view;
Fig. 4-1
~fig. 4-3 is activation configuration schematic diagrames:
Fig. 4-1: left view, Fig. 4-2: right view, Fig. 4-3 front view;
Fig. 5: the method for reeving of steel strand stay cable and steel strand stay cable reeving device working state schematic representation.
In figure:
I-king-tower, II-steel strand stay cable reeving device, III-tower top cantilever steel girder, the descending steel strand stay cable of VI 01-, the up steel strand stay cable of VI 02-, VI a-steel strand stay cable king-tower end, VI b-steel strand stay cable girder end, the outer operation platform of V-Ta, VI-HDPE circular sleeve, VII-whole dish steel strand stay cable, VIII-bridge face;
1-capstan system, 2-platform system, 3-driver, 4-steel strand stay cable, 5-driving chain;
11-noseplate, 12-cylinder, 13-terminal pad, 14-tripod, 15-capstan winch toothed disc, 16-rotating shaft;
21-framework, 22-support, 23 bearings;
31-gear-box, 32-driver gear dish, 33-motor.
Detailed description of the invention
Embodiment one:
A kind of steel strand stay cable reeving device, as shown in Fig. 1-1 ~ Fig. 1-3, this steel strand stay cable reeving device comprises capstan system 1, platform system 2, driver 3 and driving chain 5;
Described capstan system 1 comprises noseplate 11, cylinder 12, terminal pad 13, tripod 14, capstan winch toothed disc 15 and rotating shaft 16(see Fig. 2-1 ~ Fig. 2-3); The main body of capstan system 1 is a circular drum 12, rotating shaft 16 drives cylinder to rotate through circular drum center, tripod 14 is arranged on cylinder 12 both sides, and tripod profile is equilateral triangle, stretches out three limb framves be welded on the terminal pad 13 that is positioned in rotating shaft from three drift angles of tripod; Be separately installed with noseplate 11 at three drift angle places of tripod, this noseplate 11 is made up of six blocks of circular steel plates and a central axis; It is outer and be fixed in rotating shaft 16 that capstan winch toothed disc 15 is arranged on the side tripod 14 of cylinder; Whole capstan system
1supported by stand 2, the strong point is the rotating shaft 16 of cylinder;
For supporting the platform system of whole capstan system
2be made up of framework 21, support 22 and bearing 23; The framework 21 be welded by shaped steel is positioned at bottom, and the support 22 be welded by shaped steel is arranged on framework 21, and bearing 23 is arranged on support 22 top, is assemblied in capstan system
1rotating shaft 16 on; (see Fig. 3-1 ~ Fig. 3-3);
Described driver assembly comprise as power source motor 33, be arranged on the gear-box 31(of driver gear dish 32 on hoist engine winding roll and driving cog wheel disc 32 see Fig. 4-1
~fig. 4-3).
Embodiment two:
A kind of method of reeving of steel strand stay cable of cable stayed bridge, the method is the girder end whole for steel strand stay cable dish being positioned over bridge, the anchored end of steel strand stay cable is drawn from rope dish, utilizes the steel strand stay cable reeving device described in embodiment one to draw steel strand stay cable to king-tower end; Steel strand stay cable anchored end imports from the cylinder side of steel strand stay cable reeving device, steel strand stay cable carries out order along noseplate and is wound around on cylinder, and penetrate HDPE pipe from the derivation of cylinder opposite side, reeve along round tube inner wall from tower end toward beam-ends (see Fig. 5).
Its concrete steps are:
A, erection equipment: steel strand stay cable reeving device is arranged in tower top and encorbelments on steelframe;
B, by steel strand stay cable traction to king-tower end: by one end of wire rope guide cable on cylinder 12 along noseplate 11 order be wound around, the other end is connected with the anchored end of steel strand stay cable 4, start the motor 33 of driver 3, driver gear dish 32 drives capstan winch toothed disc 15 by driving chain 5, drives whole cylinder 12 to rotate; Cylinder 12 is in rotation process, and guide cable traction steel strand stay cable 4 imports from cylinder 12 side, derives, until guide cable leaves cylinder 12 completely from opposite side; With single hole anchor locking steel strand stay cable, remove guide cable (see Fig. 1-1 ~ Fig. 1-3);
C, to reeve from tower end toward beam-ends:
Cylinder 12 is rotated further, and the anchored end of steel strand stay cable 4 is transferred to the outer job platform of tower from overhead; Steel strand stay cable is penetrated HDPE pipe by the outer operating personnel of tower, and wears under round tube inner wall to girder end; The outer personnel of tower, with single hole anchor locking steel strand stay cable 4, remove connector;
The stretching end of D, anchoring steel strand stay cable and anchored end also carry out stretch-draw:
The stretching end of steel strand stay cable is connected with electric block pull rope in tower, is drawn by electric block in tower and carry out anchoring to tower, under girder end, at the bottom of steel strand suspension cable anchored end to beam, carry out anchoring; Carry out single tendon stretch according to design instruction in tower, complete the installation of a steel strand stay cable;
Repeat step C-D action, complete the installation of whole bundle steel strand stay cable.
In the present embodiment, the steel strand stay cable of the whole dish of described steel strand stay cable can be a whole rope, also can be the whole rope that the inclined cable section after the length needed by bridge stay cable is cut off is coupled together by linkage.
Claims (4)
1. a steel strand stay cable reeving device, is characterized in that: this steel strand stay cable reeving device comprises capstan system (1), platform system (2), driver (3) and driving chain (5);
Described capstan system (1) comprises noseplate (11), cylinder (12), terminal pad (13), tripod (14), capstan winch toothed disc (15) and rotating shaft (16);
The main body of capstan system (1) is a circular drum (12), rotating shaft (16) drives cylinder to rotate through circular drum center, tripod (14) is arranged on cylinder (12) both sides, tripod outrigger (141) in equilateral triangle, from three of tripod
hand overthe internal frame (142) that some place draws is welded on the terminal pad (13) that is positioned in rotating shaft; At three of tripod
hand overpoint place is separately installed with noseplate (11), and this noseplate (11) is made up of six blocks of circular steel plates and a central axis; It is outer and be fixed in rotating shaft (16) that capstan winch toothed disc (15) is arranged on the side tripod of cylinder; Whole capstan system (1) is supported by platform system (2), and the strong point is the rotating shaft (16) of cylinder;
Platform system (2) for supporting whole capstan system is made up of framework (21), support (22) and bearing (23); The framework (21) be welded by shaped steel is positioned at bottom, the support be welded by shaped steel is arranged on framework (21), bearing (23) is arranged on support top, is assemblied in the rotating shaft (16) of capstan system (1);
Described driver assembly comprise as power source motor (33), be arranged on driver gear dish (32) on hoist engine winding roll and the gear-box (31) of toothed disc (32) be installed.
2. the method for reeving of the steel strand stay cable of a cable stayed bridge, it is characterized in that: the method is the girder end whole for steel strand stay cable dish being positioned over bridge, the anchored end of steel strand stay cable is drawn from rope dish, adopts steel strand stay cable reeving device according to claim 1 by steel strand stay cable traction to king-tower end; Steel strand stay cable anchored end imports from the cylinder side of steel strand stay cable reeving device, steel strand stay cable carries out order along noseplate and is wound around on cylinder, steel strand stay cable anchored end derives from cylinder opposite side and penetrates HDPE pipe, reeves along round tube inner wall from tower end toward beam-ends.
3. the method for reeving of the steel strand stay cable of cable stayed bridge according to claim 2, is characterized in that: its concrete steps are:
A, erection equipment: steel strand stay cable reeving device is arranged in tower top and encorbelments on steelframe;
B, by steel strand stay cable traction to king-tower end: by one end of wire rope guide cable on cylinder (12) along noseplate (11) order winding, the other end is connected with the anchored end of steel strand stay cable (4), start the motor (33) of driver (3), driver gear dish (32) drives capstan winch toothed disc (15) by driving chain (5), drives whole cylinder (12) to rotate; Cylinder (12) is in rotation process, and guide cable traction steel strand stay cable (4) imports from cylinder (12) side, derives, until guide cable leaves cylinder (12) completely from opposite side; With single hole anchor locking steel strand stay cable, remove guide cable;
C, to reeve from tower end toward beam-ends:
Cylinder (12) is rotated further, and the anchored end of steel strand stay cable (4) is transferred to the outer job platform of tower from overhead; Steel strand stay cable is penetrated HDPE pipe by the outer operating personnel of tower, and wears under round tube inner wall to girder end; The outer personnel of tower, with single hole anchor locking steel strand stay cable (4), remove connector;
The stretching end of D, anchoring steel strand stay cable and anchored end also carry out stretch-draw:
The stretching end of steel strand stay cable is connected with electric block pull rope in tower, is drawn by electric block in tower and carry out anchoring to tower, under girder end, at the bottom of steel strand suspension cable anchored end to beam, carry out anchoring; Carry out single tendon stretch according to design instruction in tower, complete the installation of a steel strand stay cable;
Repeat step C-D action, complete the installation of whole bundle steel strand stay cable.
4. the method for reeving of the steel strand stay cable of cable stayed bridge according to claim 2, is characterized in that: the whole rope that the steel strand stay cable of the whole dish of described steel strand stay cable or a whole rope or the inclined cable section after being cut off by the length of bridge stay cable needs are coupled together by linkage.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410036415.4A CN103790113B (en) | 2014-01-26 | 2014-01-26 | A kind of steel strand stay cable reeving device and method of reeving thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410036415.4A CN103790113B (en) | 2014-01-26 | 2014-01-26 | A kind of steel strand stay cable reeving device and method of reeving thereof |
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| CN103790113A CN103790113A (en) | 2014-05-14 |
| CN103790113B true CN103790113B (en) | 2015-12-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592441A (en) * | 2017-01-16 | 2017-04-26 | 中交路桥华南工程有限公司 | Mounting method of stayed cable of cable-stayed bridge |
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| CN105239509B (en) * | 2015-11-06 | 2017-03-22 | 柳州欧维姆工程有限公司 | Tensioner for parallel steel strand stay cables and construction method thereof |
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| CN105672138A (en) * | 2016-03-31 | 2016-06-15 | 中铁四局集团第一工程有限公司 | Through type stayed cable installation circulation system and cable threading construction method thereof |
| CN109098096B (en) * | 2018-10-19 | 2023-12-19 | 佛山科学技术学院 | Prestressed steel strand anchoring device for bridge construction |
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| 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 |
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