CN107761572A - The installation method of hanging cable of stay cable system and its system - Google Patents
The installation method of hanging cable of stay cable system and its system Download PDFInfo
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- CN107761572A CN107761572A CN201711190572.0A CN201711190572A CN107761572A CN 107761572 A CN107761572 A CN 107761572A CN 201711190572 A CN201711190572 A CN 201711190572A CN 107761572 A CN107761572 A CN 107761572A
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- 238000009434 installation Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 113
- 239000010959 steel Substances 0.000 claims description 113
- 238000003466 welding Methods 0.000 claims description 26
- 238000002844 melting Methods 0.000 claims description 13
- 230000008018 melting Effects 0.000 claims description 13
- 239000003351 stiffener Substances 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 19
- 239000000725 suspension Substances 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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
- E01D11/00—Suspension or cable-stayed bridges
- E01D11/04—Cable-stayed bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention provides a kind of hanging cable of stay cable system, including：Lifting device, including the extension pulley group for being installed on the workbench at the top of Sarasota and being installed on the workbench；Slewing equipment, including the pivoting support at the top of the Sarasota between lifting device, and it is arranged on the first support component above the pivoting support and the second support component of lower section.It reduces the difficulty of construction of hanging cable of stay cable by simple system architecture.The another present invention also provides a kind of installation method of hanging cable of stay cable system.
Description
【Technical field】
The present invention relates to technical field of civil engineering, more particularly to the installation side of a kind of hanging cable of stay cable system and its system
Method.
【Background technology】
With the continuous development of road and bridge technology, one of the main type selecting of cable-stayed bridge as Longspan Bridge and by extensively should
With.In three big main members (bridge tower, girder and suspension cable) of cable-stayed bridge, there are a variety of structural forms, by various forms of
Combination may be constructed miscellaneous cable-stayed bridge.Wherein, special-shaped cable-stayed bridge is different from general cable-stayed bridge and lies also in these three aspects
Construction and its bright characteristics mutually coordinated with surrounding environment.Special-shaped cable-stayed bridge is relatively main according to the moulding of bridge tower and bridge tower
The diversity of the position of beam is classified, and can be divided into：There are Cable-stayed Bridge with Slanted Pylon, curved pylon cable-stayed bridge, leaning tower back-cable-free cable-stayed bridge, outstanding arc
Arcuately cable-stayed bridge, suspension cable oblique pull composite bridge and bridge tower antisymmetry cable-stayed bridge etc..
In the prior art, the hanging cable construction method of suspension cable generally coordinates installation using tower crane and beam face automobile loop wheel machine
Construction, tower crane is generally located on king-tower cross-bridges direction, and using automobile loop wheel machine tap, beam face hoist engine puts rope, and tower crane is by suspension cable
Sling, by guide chain inside and outside tower and tower crane collective effect, complete the installation of tower end suspension cable.But hung again after being removed for tower crane
The situation of rope, it must just look for a kind of economical, safe, practical hanging cable of stay cable replacement device and method.
【The content of the invention】
The primary and foremost purpose of the present invention is to provide a kind of hanging cable of stay cable system, passes through simple hanging cable system architecture, drop
The difficulty of low hanging cable of stay cable.
The secondary objective of the present invention is to provide a kind of installation method of hanging cable of stay cable system.
In a first aspect, the present invention provides a kind of hanging cable of stay cable system, including：
Lifting device, including it is installed on the workbench at the top of Sarasota and the traction being installed on workbench cunning
Car group；
Slewing equipment, including the pivoting support at the top of the Sarasota between lifting device, and it is arranged on institute
State the first support component above pivoting support and the second support component of lower section.
Wherein, the pivoting support includes the upper disk and lower wall being mutually twisted；First support component include with it is described
The first steel plate that disk bolts on pivoting support；Second support component includes second with pivoting support lower wall bolt
Steel plate.
Further, first support component also includes the first type with the first steel plate upper surface melting welding one
Steel unit；Second support component also includes the second shaped steel unit with the second steel plate lower surface melting welding one.
Specifically, the first shaped steel unit includes the first I-steel and top I-steel for being mutually perpendicular to melting welding one；
The second shaped steel unit includes the second I-steel and bottom I-steel for being mutually perpendicular to welding.
Wherein, the bottom I-steel makes according to institute's top of tower angle of inclination, with being welded at the top of the Sarasota
Leveling angle of inclination afterwards.
Preferably, it is provided with stiffener on the outside of the I-steel.
Wherein, the workbench is the inverted trapezoidal prism table frame structure being spliced at the top of the Sarasota, including
Some short chord member, brace and vertical rods；Connected between the short chord member, brace and vertical rod using gusset plate.
Further, two terminal surfaces of the extension pulley group installed on the workbench are provided with support angle steel.
Preferably, the workbench is eccentrically mounted in the top of the slewing equipment.
Further, the lifting device is welded and fixed by supporting boots with the slewing equipment.
Specifically, the extension pulley group includes being installed on the hoist engine of the workbench wherein one end and is installed on
At least two fixed pulleys of the other end.
Second aspect, the present invention provide a kind of installation method of hanging cable of stay cable system, including following installation such as first party
The step of hanging cable of stay cable system described in face：
(1) leveling steel is formed according to Sarasota top droop angle using individual layer I-steel, and with being welded at the top of the Sarasota
It is fixed；
(2) welded slewing equipment under tower is hoisted at the top of the Sarasota, and it is solid with leveling steel welding
It is fixed；
(3) workbench is welded and fixed after assembly at the top of the Sarasota with the slewing equipment, and configures and lead
Draw tackle pulley；
(4) current hanging cable position is adapted to, pull rope is laid on the lifting device.
Wherein, the welding of the slewing equipment comprises the following steps：
Individual layer I-steel is used as substrate, in the steel plate of upper weld second；
Pivoting support is bolted to directly over second steel plate；
The first steel plate is bolted directly over the pivoting support；
The I-steel of double-deck orthogonal laying is used to be welded in the upper surface of first steel plate for Ji Ding.
Compared with prior art, the present invention possesses following advantage：
Hanging cable of stay cable system provided by the invention includes slewing equipment and lifting device.It is wherein real using slewing equipment
During present hanging cable, the otic placode drag-line for adapting to Sarasota portion is in different azimuth and rotates lifting device direction；Its especially by
Pivoting support coordinates extension pulley group to realize that 360 ° of workbench rotate.Simultaneously as the simple structure of workbench, stress
It is that a kind of easy to operate, multiple functional, safe, construction effect is good clearly for the construction of hanging cable of stay cable
Structure.System provided by the invention mainly by simple structure, is reduced the difficulty of construction, further, filled using revolution
The gradient of bottom I-steel leveling tower top in putting, solves leaning tower tower top tilt so that tower top hanging cable constructional difficulties are asked
Topic, adapts it to more extensive, special road and bridge such as, the building of special-shaped cable-stayed bridge etc..
【Brief description of the drawings】
Fig. 1 is a kind of structural representation of one embodiment of hanging cable of stay cable system of the present invention；
Fig. 2 is along the sectional view in A-A directions in Fig. 1；
Fig. 3 is the structural representation of slewing equipment in a kind of hanging cable of stay cable system of the present invention；
Fig. 4 is along the sectional view in A-A directions in Fig. 3；
Fig. 5 is along the sectional view in B-B directions in Fig. 3；
Fig. 6 is the part-structure schematic diagram of slewing equipment in a kind of hanging cable of stay cable system of the present invention；
Fig. 7 is the structural representation of lifting device in a kind of hanging cable of stay cable system of the present invention；
Fig. 8 is another structural representation of lifting device in a kind of hanging cable of stay cable system of the present invention；
Fig. 9 is along the sectional view in A-A directions in Fig. 7,8；
Figure 10 is along the sectional view in B-B directions in Fig. 7,8；
Figure 11 is along the sectional view in C-C directions in Fig. 7,8；
【Embodiment】
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " one " used herein, " one
It is individual ", " described " and "the" may also comprise plural form.It is to be further understood that what is used in the specification of the present invention arranges
Diction " comprising " refer to the feature, integer, step, operation, element and/or component be present, but it is not excluded that in the presence of or addition
One or more other features, integer, step, operation, element, component and/or their groups.It should be understood that when we claim member
Part is " connected " or during " coupled " to another element, and it can be directly connected or coupled to other elements, or there may also be
Intermediary element.In addition, " connection " used herein or " coupling " can include wireless connection or wireless coupling.It is used herein to arrange
Taking leave "and/or" includes whole or any cell and all combinations of one or more associated list items.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology), there is the general understanding identical meaning with the those of ordinary skill in art of the present invention.Should also
Understand, those terms defined in such as general dictionary, it should be understood that have with the context of prior art
The consistent meaning of meaning, and unless by specific definitions as here, idealization or the implication of overly formal otherwise will not be used
To explain.
In an embodiment of the present invention, there is provided a kind of hanging cable of stay cable system, as shown in Figure 1, 2, the hanging cable of stay cable
System is applied to the construction of hanging cable of stay cable, and further, it is primarily adapted for use in the hanging cable of stay cable construction of special-shaped cable-stayed bridge.
In the present embodiment, to reduce the difficulty of construction of hanging cable of stay cable, there is provided a kind of simple, safe system, it includes：
Slewing equipment 1 and lifting device 2.
Specifically, the slewing equipment 1 includes being installed on the pivoting support 10 at the top of Sarasota between 01 and lifting device 2,
And it is arranged on the first support component 11 of the top of pivoting support 10 and the second support component 12 of lower section.
Pivoting support 10 can be divided into the single four-point contact ball formula of single crossed pin roller type, double different according to roller path structure pattern
Footpath ball, three rows of rollers, in the present embodiment, preferably with the pivoting support of the single four-point contact ball formula of single crossed pin roller type
10.With reference to Fig. 1-6, the pivoting support 10 includes the upper disk 101 and lower wall 102 being mutually twisted；Wherein, the upper disk being mutually twisted
101 diameters are less than lower wall 102, and the two is on the basis of completing power transmission process, and accommodation occlusion mode, it specifically may include
Engagement system.First support component 11 includes the first thickness bolted with disk 101 on the pivoting support 10 in the slewing equipment 1
Steel plate 111, second support component 12 include the second steel plate 112 with the lower wall 102 of pivoting support 10 bolt.Its
In, the upper disk 101 of the pivoting support 10 and the soft ribbons of lower wall 102 should stagger 180 degree installation；Specifically, the pivoting support
10 diameter of upper disk 101 is less than lower wall 102, and correspondingly, the area of first steel plate 111 is less than the second steel plate 112；And
First steel plate 111 is defined so that disk on the pivoting support 10 is completely covered, and second steel plate 112 to accept completely
The lower wall of the pivoting support 10 is defined (as shown in Figure 4,5).Wherein, first steel plate 111, the second steel plate 112 with
The bolt of pivoting support 10 is affixed using high-strength bolt 103.Further, if first steel plate 111 and the revolution branch
Holding on 10 between disk 101 and between second steel plate 112 and the lower wall 102 of the pivoting support 10 has gap, can adopt
Leveled up with pad, to prevent bolt 103 from being deformed after tightening, influence the performance of pivoting support 10.Further, in the present embodiment
In, the steel plate 112 of the first steel plate 111 and second uses 30mm steel plates.
Further, first support component 11 also includes and the upper surface melting welding one of the first steel plate 111
First shaped steel unit 121, second support component 12 also include the with the lower surface melting welding one of second steel plate 112
Two shaped steel units 122.Specifically, between the shaped steel unit 121 of the first steel plate 111 and first, second steel plate 112
Melting welding between the second shaped steel unit 122 integrally uses weld seam full weld connected mode, and further, connecting portion also has additional
Steadiness of the stiffener 13 with increase between the two.
Wherein, the first shaped steel unit 121 includes the first I-steel 1211 and top I-steel 1212；Described first
I-steel 1211 is mutually perpendicular to top I-steel 1212, and integral by melting welding.Further, to ensure construction quality,
Melting welding one is completed using weld seam full weld connected mode between first I-steel 1211 and top I-steel 1212.More enter one
Step ground, the steadiness between reinforcing member, stiffener 13 is set in the outside of the first I-steel 1211, it is preferable that described
Stiffener 13 uses 350*400*10mm steel plates, and each connecting portion throat depth is more than 10mm.(as shown in Fig. 3,5)
Wherein, the second shaped steel unit 122 includes the second I-steel 1221 and bottom I-steel 1222；Described second
I-steel 1221 is mutually perpendicular to bottom I-steel 1222, and integral by melting welding.Further, to ensure construction quality,
Melting welding one is completed using weld seam full weld connected mode between second I-steel 1221 and bottom I-steel 1222.More enter one
Step ground, the steadiness between reinforcing member, stiffener 13 is set in the outside of the second I-steel 1221, it is preferable that described
Stiffener 13 uses 350*400*10mm steel plates, and each connecting portion throat depth is more than 10mm.(as shown in Figure 3,4) in this reality
Apply in example, connection member of the bottom I-steel 1222 between the slewing equipment 1 and Sarasota top 01, the bottom work
01 by weld seam full weld connected mode in addition to being welded at the top of word steel 1222 and Sarasota, the bottom I-steel 1222 also with
The lamina tecti of tower top 01 and the otic placode 011 of tower wall weld together.Further, in the present embodiment, the bottom I-steel
1222 are made according to 01 angle of inclination at the top of the Sarasota, and with Sarasota top described in leveling after 01 welding at the top of the Sarasota
The angle of inclination in portion 01.(as shown in Figure 6) is belonged to due to the welding between bottom I-steel 1222 and inclined Sarasota top 01
Welding in inclination, further to consolidate the bottom I-steel 1222 and at the top of Sarasota 01,01 tilts at the top of the Sarasota
Stiffener 012 is set up in relatively low one end and top, preferably to be welded with the bottom I-steel 1222.
Specifically, the lifting device 2 includes being installed on 01 workbench 21 at the top of Sarasota and is installed on the work
Make the extension pulley group on platform 21.(as shown in Fig. 7,8,9,10,11)
Wherein, the workbench 21 is the 01 inverted trapezoidal prism being spliced by universal rod body at the top of the Sarasota
Table frame structure, it is therefore preferable to scaffold structure；Wherein universal rod body formed the workbench 21 some short chord members 211, tiltedly
Bar 212 and vertical rod 213, the short chord member 211, brace 212 are connected with vertical rod 213 by gusset plate 214.With reference to Fig. 7,8,
9th, 10 is visible, when piece spells 21 truss of workbench (as shown in Fig. 9,10), the section of the brace 212 composition chi of use
Very little be respectively less than uses the section of brace 212 to form size in the vertical spelling truss of workbench 21 (as shown in figure 11), accordingly
Ground, that is, both piece weights are that brace 212 is lighter than the vertical brace 212 for spelling the use used by piece is spelled.Using difference
The different piece of workbench 21 shown in the rod member assembly of weight or model is advantageous to point of the further power of balancing work platform 21
Cloth, strengthen the steadiness of workbench 21.Further, the workbench 21 is at two ends for being provided with the extension pulley group
End face is provided with support angle steel 215, to level up the end face of the workbench 21, to strengthen the firm of the extension pulley group
Property.The extension pulley group includes hoist engine 22, and fixed pulley 231,232.Preferably, the workbench 21 is eccentrically mounted
In the top of the slewing equipment 1, specifically, the workbench 21 is connected using eccentric manner with the slewing equipment 1, also
I.e. when using the present position of slewing equipment 1 as axis, the workbench 21 is asymmetrically installed on the revolution dress
Put on 1 so that be installed on hoist engine 22 of the workbench 21 relative to the shorter side of the ledge of slewing equipment 1
And it is installed on the workbench 21 and exists relative to the fixed pulley 231,232 of the longer side of the ledge of slewing equipment 1
Power when cooperatively forming tractive force with stable equilibrium exports.Specifically, the fixed pulley 231,232 includes at least two as schemed
7th, shown in 8.Wherein, when the hoist engine 22 is connected in use, for for lifting suspension cable (such as Fig. 7 institutes with the fixed pulley 232
Show)；When the hoist engine 22 is connected in use, the fixed pulley 231 is used as chain block, to adjust with the fixed pulley 231
The direction of the whole workbench 21, it can make lifting device 2 is overall to realize 360 ° of rotations (as shown in Figure 8) relative to tower top 01.
Wherein, the number of the fixed pulley is fixed from two in the present embodiment not as the limitation to protection domain of the embodiment of the present invention
Pulley is preferred embodiment, and in some embodiments, the fixed pulley can use one to complete to lift suspension cable and be used as to pull
The function of cucurbit, it can also use multiple completions.
Wherein, the lifting device 2 is pushed up by the bottom of workbench 21 and the top I-steel 1212 of the slewing equipment 1
Supporting boots 3 between portion complete the welding between the slewing equipment 1 and the lifting device 2.The supporting boots 3 are using work
The assembled inverted T-type structure part of word steel, its bottom are welded with the top I-steel 1212, top and the workbench 21
Gusset plate 214 welds.By Fig. 7,8 visible, the lower end truss of workbench 21 remains with two gusset plates 214, wherein one
Individual node version 24 is inclined to the installation direction of hoist engine 22, and another is in the lower end truss center section of workbench 21.Institute
Stating gusset plate 214 will be used to be connected with the supporting boots 3.From Fig. 7,8, the lifting device 2 is overall to be filled with the revolution
1 is put integral into dissymmetrical structure.
Preferably, visible by Fig. 7-10, in workbench 21 described in spelling, the gusset plate 214 of use includes
Multiple Type, its rod member for needing to connect with specific reference to different parts are selected.
The embodiment of the present invention also provides a kind of installation method of hanging cable of stay cable system, including a following installation as above implementation
Example described in hanging cable of stay cable system the step of：
(1) leveling steel is formed according to Sarasota top droop angle using individual layer I-steel, and with being welded at the top of the Sarasota
It is fixed；
(2) welded slewing equipment under tower is hoisted at the top of the Sarasota, and it is solid with leveling steel welding
It is fixed；
Specifically, the welding of the slewing equipment comprises the following steps：
Individual layer I-steel is used as substrate, in the steel plate of upper weld second；
Pivoting support is bolted to directly over second steel plate；
The first steel plate is bolted directly over the pivoting support；
The I-steel of double-deck orthogonal laying is used to be welded in first steel plate for the Ji Ding above the substrate
Upper surface.
The bolt carries out Symmetrical Continuous using high-strength bolt and quenched plain washer on described 180 ° of directions of pivoting support
Bolt.The bolt for carrying out Symmetrical Continuous on 180 ° of directions is used to have identical pretightning force for the bolt on guarantee circumference.Specifically
Ground, when using the bolt that Symmetrical Continuous is carried out on 180 ° of directions, using a preceding bolt position and immediately bolt position next time
Put orthogonal mode.
It is visible by step (1) (2), in embodiments of the present invention, using using the bottom I-steel in slewing equipment as
After individual layer I-steel is first welded at the top of Sarasota, the remainder of slewing equipment is hung again after bottom of towe completion is welded
It is transported at the top of Sarasota and is welded.The construction procedure is mainly in view of the situation at the top of tilting Sarasota, is to incline at the top of Sarasota
During inclined structure, it is preferred to use individual layer I-steel after at the top of leveling Sarasota, then will return as leveling steel and lock top of tower welding
Rotary device welds with Sarasota top section, ensures the overall stability of system.
In the present embodiment, firm welding is answered when all parts connect between step (1) (2), is drawn when preventing pulling force
De-, further, all parts connection is connected using weld seam full weld, and throat depth is more than 10mm.Further, it is guarantee
Construction quality, stiffener is had additional to increase steadiness in each part link position.
(3) workbench is welded and fixed after assembly at the top of the Sarasota with the slewing equipment, and configures and lead
Draw tackle pulley；
Specifically, it is correspondingly formed if the workbench is the spelling demand that the workbench is adapted to using universal rod body
Dry short chord member, brace and vertical rod；Connected between the short chord member, brace and vertical rod using gusset plate.Workbench after shaping
In inverted trapezoidal prism platform structure.The configuration extension pulley group includes step：The work is leveled up using support angle steel to put down
Two terminal surfaces of platform；Hoist engine is installed in wherein one end of the workbench；It is attached in the other end of the workbench
Few two fixed pulleys.
Specifically, the workbench is connected by supporting boots with the slewing equipment, and the supporting boots complete revolution dress
Put the conversion of the power between workbench.
(4) current hanging cable position is adapted to, pull rope is laid on the lifting device.
Specifically, in the lifting device of installation, the hoist engine is in the workbench relative to the revolution
The shorter side of device overall ledge, the fixed pulley are in the workbench and integrally protruded relative to the slewing equipment
The longer side in part, to ensure the overall stability of lifting device.Wherein, when the hoist engine is connected use with the fixed pulley
When, for for lifting suspension cable (as shown in Figure 7)；When the hoist engine is connected in use, the fixed pulley with the fixed pulley
As chain block, to adjust the direction of the workbench, it can make lifting device is overall to be realized relative at the top of Sarasota
360 ° rotate (as shown in Figure 8).
Wherein, adapt to current hanging cable position lay pull rope be according to it is current whether needs adjust the direction of lifting device will
Pull rope is laid in by hoist engine on different fixed pulleys.
In embodiments of the present invention, by using the slewing equipment including pivoting support and including workbench and traction
The lifting device of tackle pulley instead of installs the form of construction work of small-sized tower crane completion hanging cable of stay cable in tower top in the prior art.
In embodiment provided by the invention, its is simple in construction, and the cost of required part is low, easily assembled, and can by pivoting support with
360 ° rotations of the hanging cable system relative to tower top are completed in cooperation between workbench, extension pulley group, are even more solved easily
Because the otic placode drag-line in tower portion is in different azimuth and the problem of rotate suspension cable direction of improvement.The difficulty of construction is which reduced,
And construction cost, while improve the quality and efficiency of construction.
Although having been illustrated with some exemplary embodiments of the present invention above, those skilled in the art will manage
Solution, in the case where not departing from the principle or spirit of the present invention, these exemplary embodiments can be made a change, it is of the invention
Scope is limited by claim and its equivalent.
Claims (13)
- A kind of 1. hanging cable of stay cable system, it is characterised in that including：Lifting device, including it is installed on the workbench at the top of Sarasota and the extension pulley being installed on the workbench Group；Slewing equipment, including the pivoting support at the top of the Sarasota between lifting device, and it is arranged on described return Turn the first support component of supporting top and the second support component of lower section.
- 2. hanging cable of stay cable system according to claim 1, it is characterised in that the pivoting support includes what is be mutually twisted Upper disk and lower wall；First support component includes the first steel plate bolted with disk on the pivoting support；Described second Support component includes the second steel plate with pivoting support lower wall bolt.
- 3. hanging cable of stay cable system according to claim 2, it is characterised in that first support component also includes and institute State the first shaped steel unit of the first steel plate upper surface melting welding one；Second support component also includes and the described second thick steel Second shaped steel unit of plate lower surface melting welding one.
- 4. hanging cable of stay cable system according to claim 3, it is characterised in that the first shaped steel unit includes mutually hanging down The first I-steel and top I-steel of straight melting welding one；The second shaped steel unit includes the second I-shaped for being mutually perpendicular to welding Steel and bottom I-steel.
- 5. hanging cable of stay cable system according to claim 4, it is characterised in that the bottom I-steel is according to the Sarasota Top droop angle make, with the Sarasota at the top of weld after angle of inclination described in leveling.
- 6. the hanging cable of stay cable system according to claim 3 or 4, it is characterised in that set on the outside of the I-steel It is equipped with stiffener.
- 7. hanging cable of stay cable system according to claim 1, it is characterised in that the workbench is in the Sarasota top The inverted trapezoidal prism table frame structure that portion is spliced, including some short chord member, brace and vertical rods；The short chord member, brace and Connected between vertical rod using gusset plate.
- 8. the hanging cable of stay cable system according to claim 1 or 7, it is characterised in that the institute installed on the workbench Two terminal surfaces for stating extension pulley group are provided with support angle steel.
- 9. hanging cable of stay cable system according to claim 1, it is characterised in that the workbench is eccentrically mounted in described The top of slewing equipment.
- 10. hanging cable of stay cable system according to claim 1, it is characterised in that the lifting device by support boots with The slewing equipment is welded and fixed.
- 11. hanging cable of stay cable system according to claim 1, it is characterised in that the extension pulley group includes being installed on The hoist engine of the workbench wherein one end and at least two fixed pulleys for being installed on the other end.
- 12. a kind of installation method of hanging cable of stay cable system, it is characterised in that as claimed in claim 1 including following installation The step of hanging cable of stay cable system：(1) leveling steel is formed according to Sarasota top droop angle using individual layer I-steel, and with being welded and fixed at the top of the Sarasota；(2) welded slewing equipment under tower is hoisted at the top of the Sarasota, and be welded and fixed with the leveling steel；(3) workbench is welded and fixed after assembly at the top of the Sarasota with the slewing equipment, and configures traction and slide Car group；(4) current hanging cable position is adapted to, pull rope is laid on the lifting device.
- 13. the installation method of hanging cable of stay cable system according to claim 12, it is characterised in that the slewing equipment Welding comprises the following steps：Individual layer I-steel is used as substrate, in the steel plate of upper weld second；Pivoting support is bolted to directly over second steel plate；The first steel plate is bolted directly over the pivoting support；The I-steel of double-deck orthogonal laying is used to be welded in the upper of first steel plate for the Ji Ding above the substrate Surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711190572.0A CN107761572B (en) | 2017-11-24 | 2017-11-24 | Stay cable hanging system and installation method thereof |
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| EP0152562A2 (en) * | 1984-02-21 | 1985-08-28 | Liebherr-Werk Bischofshofen GmbH | Crane with telescopic tower |
| CN201598570U (en) * | 2009-12-08 | 2010-10-06 | 中铁大桥(郑州)缆索有限公司 | Cable-stayed bridge cableway erecting equipment |
| CN102444086A (en) * | 2011-10-14 | 2012-05-09 | 中铁大桥局股份有限公司 | Cable hanging system for inclined stay cable of bridge and cable hanging method for inclined stay cable of bridge |
| CN102556864A (en) * | 2011-12-31 | 2012-07-11 | 浙江德英建设机械制造有限公司 | Pre-warning device for safety inspection to tower body of tower crane |
| CN203269403U (en) * | 2013-05-23 | 2013-11-06 | 郑州科润机电工程有限公司 | Low-level slewing portal luffing-jib crane |
| CN204039920U (en) * | 2013-11-19 | 2014-12-24 | 中建三局建设工程股份有限公司 | A kind of tower crane lifting reeving device |
| CN205205685U (en) * | 2015-12-14 | 2016-05-04 | 中交一公局第三工程有限公司 | Span wire pier is function portal device at most |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0152562A2 (en) * | 1984-02-21 | 1985-08-28 | Liebherr-Werk Bischofshofen GmbH | Crane with telescopic tower |
| CN201598570U (en) * | 2009-12-08 | 2010-10-06 | 中铁大桥(郑州)缆索有限公司 | Cable-stayed bridge cableway erecting equipment |
| CN102444086A (en) * | 2011-10-14 | 2012-05-09 | 中铁大桥局股份有限公司 | Cable hanging system for inclined stay cable of bridge and cable hanging method for inclined stay cable of bridge |
| CN102556864A (en) * | 2011-12-31 | 2012-07-11 | 浙江德英建设机械制造有限公司 | Pre-warning device for safety inspection to tower body of tower crane |
| CN203269403U (en) * | 2013-05-23 | 2013-11-06 | 郑州科润机电工程有限公司 | Low-level slewing portal luffing-jib crane |
| CN204039920U (en) * | 2013-11-19 | 2014-12-24 | 中建三局建设工程股份有限公司 | A kind of tower crane lifting reeving device |
| CN205205685U (en) * | 2015-12-14 | 2016-05-04 | 中交一公局第三工程有限公司 | Span wire pier is function portal device at most |
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| CN107761572B (en) | 2024-02-23 |
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