CN203625788U - Assembling-type tower crane device dedicated for stay cable replacement - Google Patents
Assembling-type tower crane device dedicated for stay cable replacement Download PDFInfo
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- CN203625788U CN203625788U CN201320673336.5U CN201320673336U CN203625788U CN 203625788 U CN203625788 U CN 203625788U CN 201320673336 U CN201320673336 U CN 201320673336U CN 203625788 U CN203625788 U CN 203625788U
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- tower top
- hoisting
- tower
- stay cable
- cross bar
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- 238000013519 translation Methods 0.000 claims description 36
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 230000002787 reinforcement Effects 0.000 claims description 15
- 239000003351 stiffener Substances 0.000 claims description 8
- 238000004873 anchoring Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 13
- 231100000817 safety factor Toxicity 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 8
- 239000000725 suspension Substances 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model relates to an assembling-type tower top crane device dedicated for stay cable replacement, and belongs to the technical field of bridge engineering. The assembling-type tower top crane device dedicated for the stay cable replacement comprises tower side cantilever trusses, horizontal moving devices, a lifting device and a tower top stiffening truss, wherein the tower side cantilever trusses are fixed on the two sides of the top end of a cable tower, the horizontal moving devices are arranged on the tower side cantilever trusses and are capable of moving horizontally, the lifting device is connected with the horizontal moving devices, and the tower top stiffening truss is fixed to the top end of the cable tower and is fixedly connected with the tower side cantilever trusses. The assembling-type tower top crane device dedicated for the stay cable replacement effectively solves the problem of hanging and lowering down of stay cables under the condition that large-scale hoisting equipment cannot be adopted due to construction space limitation, construction space is not occupied, replaced stable cables cannot be damaged, large hoisting requirements can be met, and structural safety factors are high.
Description
Technical field
The utility model belongs to technical field of bridge engineering, is specifically related to the special assembly type tower top of a kind of stay cable replacing device for hoisting.
Background technology
The many advantages such as cable stayed bridge is handsome in appearance with it, span ability is strong, have obtained extensively, application and development fast; Along with the growth of service life of cable stayed bridge, in actual operation, drag-line produces a series of disease, and the normal use of cable stayed bridge is exerted an influence, and must change it.
Drag-line is removed and hung in construction needs to adopt hanging device, so that transfer to bridge floor or by new drag-line and cause tower end installation site from bridge floor after old drag-line is removed.Drag-line is long fine texture thing, there is larger weight, cannot adopt conventional tower top simple and easy hoisting equipment, and along with changing the raising of rope construction requirement and increasing of restrictive condition, and conventional change the problem occurring in rope hoisting construction, lifting appliance is had higher requirement.At present, conventional hanging device be inadequate into:
(1) in uninterrupted traffic situation, change rope and execute man-hour, Roadway Construction space is seriously limited, cannot adopt and take the large-scale lifting appliance that construction space is larger;
(2) conventional tower top hangs the connected mode that all adopts welding between each rod member, not adopting integral hoisting or can not adopt the in the situation that large-scale loop wheel machine is auxiliary being installed and need carry out a large amount of welding jobs at tower top, welds length consuming time.Especially be subject to cannot guarantee welding quality in limited time in tower top operating space, simultaneously long-time work high above the ground and overhead welding work easily produce larger potential safety hazard;
(3) conventional tower top hangs in lifting construction, and a fixing suspension centre is only set on tower top suspension bracket, easily produces and disturbs with existing drag-line, and cause the wear-out failure of newly changing drag-line in work progress;
(4) after changing rope construction, the dismounting of tower top hanging truss can only adopt the mode of cutting, and spillage of material is serious, and is unfavorable for reusing.
Utility model content
The purpose of this utility model is exactly the defect for prior art, and a kind of special assembly type tower top of stay cable replacing device for hoisting that lifts by crane suspension cable with demolishing process that hangs for suspension cable is provided.
For realizing this object, the technical solution adopted in the utility model is: it comprise be anchored at both sides, Sarasota top tower side cantilever truss, be arranged on the translating device that can move horizontally on tower side cantilever truss, the boom hoisting being connected with translating device and be fixed on that Sarasota top is fixedly connected with tower side cantilever truss tower top strengthen truss.
Further preferred structure, described tower side cantilever truss comprises that one end is anchored at respectively main cross bar and the main diagonal on Sarasota, the described main cross bar other end is fixedly connected with the described main diagonal other end, between described main cross bar and described main diagonal, is provided with main supporting rod.
Further preferred structure, the angle between described main cross bar and main diagonal is not less than 45 °.
Further preferred structure, the junction of described main cross bar, main diagonal and described main supporting rod is respectively equipped with and adds powerful plate; The termination, one end of described main cross bar and main diagonal and Sarasota anchoring is respectively equipped with main cross bar and is anchored backing plate and main diagonal anchor backing plate.
Further preferred structure, described translating device comprises the translation track being arranged on tower side cantilever truss and is arranged on the translation dolly on translation track.
Further preferred structure, described translation dolly comprises the bearing type steel frame being arranged on translation track, between described bearing type steel frame and translation track, be provided with slippage backing plate and tetrafluoro plate, both sides, described bearing type steel frame bottom are provided with for translation dolly is limited in to the stopping means on translation track, are provided with hanger in the middle of described bearing type steel frame bottom.
Further preferred structure, described stopping means is arranged on the both sides of the slippage backing plate of translation dolly bottom; Described slippage backing plate width is corresponding with translation track; The basal surface that described tetrafluoro plate is arranged on slippage backing plate is fixedly connected with slippage backing plate.
Further preferred structure, described hanger comprises the lifting hole(eyelet) that is arranged on the middle mainboard in bearing type steel frame bottom and is opened in mainboard bottom; The upper end of the lifting hole(eyelet) on described mainboard is provided with stable stiffener, and the lifting hole(eyelet) on described mainboard is provided with lifting hole(eyelet) stiffener around.
Further preferred structure, described boom hoisting comprise be arranged on bridge floor hoist engine and deflecting roller, be fixed on the tackle pulley on hanger by U-shape lock button, between described hoist engine, deflecting roller and assembly pulley, connect by wire rope.
Further preferred structure, described tower top is strengthened the reinforcement montant that truss comprises two vertical settings that are parallel to each other, strengthen being fixedly connected with reinforcement cross bar between montant top for described two, described reinforcement montant with strengthen between cross bar being fixedly connected with the reinforcement strut intersecting, on described reinforcement montant, be fixedly connected with and be useful on the bracing diagonal being fixedly connected with tower side cantilever truss.
The utility model adopts tower top to set up the tower top device for hoisting of mast-up form of structure, efficiently solve hanging and transferring problem at the limited situation downhaul that cannot adopt Large-scale Hoisting equipment of construction space, do not take construction space, do not damage and renewed drag-line, can meet larger lifting demand, structural safety coefficient is high.Tower side cantilever truss is arranged to overall skeleton, is connected with Sarasota crab-bolt, has both improved efficiency of construction, has met structural requirement, simultaneously reusable; The installation of translating device makes the suspension centre can transverse shifting, has stopped wire rope and the friction that has renewed rope, has protected new rope; The hoist engine of boom hoisting is fixed on bridge floor, convenient operation and control; Tower top is strengthened truss and had both been met different tower top form of structure, has increased the safety factor of tower side cantilever truss simultaneously, has improved the stability of whole tower top device for hoisting.The utlity model has that compliance is good, easy for installation, good operability, safe and reliable, good economy performance, the feature that can reuse.
Accompanying drawing explanation
Fig. 1 is that the utility model master looks schematic diagram;
Fig. 2 is the utility model top view;
Fig. 3 is tower side cantilever truss structural representation;
Fig. 4 is that main cross bar is connected A place enlarged drawing with anchor backing plate;
Fig. 5 is that main diagonal is connected B place enlarged drawing with anchor backing plate;
Fig. 6 is translating device structural representation;
Fig. 7 is A-A sectional drawing in Fig. 6;
Fig. 8 is B-B sectional drawing in Fig. 6;
Fig. 9 is the local structure for amplifying schematic diagram of hanger in Fig. 7;
Figure 10 is the local structure for amplifying schematic diagram of hanger in Fig. 8;
Figure 11 is that tower top is strengthened truss front view;
Figure 12 is that tower top is strengthened truss top view;
Wherein, 1-tower side cantilever truss, 1.1-main cross bar, 1.2-main diagonal, 1.3-main supporting rod, 1.4-main diagonal is anchored backing plate, 1.4.1-the first shaped steel backing plate, 1.4.2-the first is anchored hole, 1.5-main cross bar is anchored backing plate, 1.5.1-Second-Type billet, 1.5.2-the second is anchored hole, 1.6-the first adds powerful plate, 1.7-the second adds powerful plate, 1.8-the three adds powerful plate, 2-translating device, 2.1-translation dolly, 2.1.1-bearing type steel frame, 2.1.2-stopping means, 2.1.3-slippage backing plate, 2.1.4-tetrafluoro plate, 2.1.5-hanger, 2.1.5.1-mainboard, 2.1.5.2-stablize stiffener, 2.1.5.3-lifting hole(eyelet) stiffener, 2.1.5.4-lifting hole(eyelet), 2.2-translation track, 3-boom hoisting, 3.1-hoist engine, 3.2-deflecting roller, 3.3-tackle pulley, 3.4-U-shape lock button, 4-tower top is strengthened truss, 4.1-reinforcement montant, 4.2-reinforcement cross bar, 4.3-bracing diagonal, 4.4-reinforcement strut, 4.5-reinforced company extension bar, 5-Sarasota built-in fitting, 6-Sarasota.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, is convenient to be well understood to the utility model, but they do not form and limit the utility model.
As shown in Figure 1 and Figure 2, the utility model comprise be anchored at Sarasota 6 both sides, top tower side cantilever truss 1, be arranged on the translating device 2 that can move horizontally on tower side cantilever truss 1, the boom hoisting 3 being connected with translating device 2 and be fixed on that Sarasota 6 tops are fixedly connected with tower side cantilever truss 1 tower top strengthen truss 4.Wherein, the main part of the force that tower side cantilever truss 1 is whole slinging work, tower top reinforcement truss 4 can lift demand and tower top form of structure etc. according to reality and carry out the design of corresponding construction form, to improve the stressed and stability of whole tower top truss 4, boom hoisting 3 provides lifting power, by translating device 2, power is transferred to tower side cantilever truss 1, thereby completes whole slinging work.
As Fig. 3, Fig. 4, shown in Fig. 5, 1 of described tower side cantilever purlin comprises that one end is anchored at respectively main cross bar 1.1 and the main diagonal 1.2 on Sarasota 6, described main cross bar 1.1 other ends are fixedly connected with described main diagonal 1.2 other ends, between described main cross bar 1.1 and described main diagonal 1.2, be provided with main supporting rod 1.3, angle between described main cross bar 1.1 and main diagonal 1.2 is not less than 45 °, described main cross bar 1.1, main diagonal 1.2 is respectively equipped with first with the junction of described main supporting rod 1.3 and adds powerful plate 1.6, second adds powerful plate 1.7 and the 3rd adds powerful plate 1.8, described main cross bar 1.1 and main diagonal 1.2 are welded with respectively main cross bar with the termination, one end of Sarasota 6 anchorings and are anchored backing plate 1.4 and main diagonal anchor backing plate 1.5, main cross bar is anchored backing plate 1.4 and comprises the first shaped steel backing plate 1.4.1 and the first anchor hole 1.4.2 corresponding with tower top built-in fitting screw rod, main diagonal is anchored backing plate 1.5 and comprises Second-Type billet 1.5.1 and the second anchor hole 1.5.2 corresponding with tower top built-in fitting screw rod.The making of entirety skeleton can complete in factory process, is arranged to bolt fastening structure form, can assemble after the lifting of rear lifting or monolithic assembledly at tower top again, and overall skeleton is connected with tower top built-in fitting 5 crab-bolts.Each member of described tower side cantilever truss 1 is Steel section member, and with bolts or welding between each bar element.When tower side cantilever truss 1 is installed, can adopt single member erection to tower top to carry out tower top according to Lifting Capacity originally assembled, the assembled tower top that winches to again that also can complete overall skeleton at bridge floor be connected with tower top embedded part bolt again.
As shown in Fig. 6, Fig. 7, Fig. 8, described translating device 2 comprises the translation track 2.2 being arranged on tower side cantilever truss 1 and is arranged on the translation dolly 2.1 on translation track 2.2.Described translation dolly 2.1 comprises the bearing type steel frame 2.1.1 being arranged on translation track 2.2, between described bearing type steel frame 2.1.1 and translation track 2.2, be provided with slippage backing plate 2.1.3 and tetrafluoro plate 2.1.4, described slippage backing plate 2.1.3 width is corresponding with translation track 2.2, the basal surface that described tetrafluoro plate 2.1.4 is arranged on slippage backing plate 2.1.3 is fixedly connected with slippage backing plate 2.1.3, both sides, described bearing type steel frame 2.1.1 bottom are provided with for translation dolly 2.1 being limited in to the stopping means 2.1.2 on translation track 2.2, described stopping means 2.1.2 is arranged on the both sides of the slippage backing plate 2.1.3 of translation dolly 2.1 bottoms, in the middle of described bearing type steel frame 2.1.1 bottom, be provided with hanger 2.1.5, as Fig. 9, shown in Figure 10, described hanger 2.1.5 comprises the lifting hole(eyelet) 2.1.5.4 that is arranged on the middle mainboard 2.1.5.1 in bearing type steel frame 2.1.1 bottom and is opened in mainboard 2.1.5.1 bottom, the upper end of lifting hole(eyelet) 2.1.5.4 on described mainboard 2.1.5.1 is provided with stablizes stiffener 2.1.5.2, lifting hole(eyelet) 2.1.5.4 on described mainboard 2.1.5.1 is provided with lifting hole(eyelet) stiffener 2.1.5.3 around.Bearing type steel frame 2.1.1 bears all pulling force and power is passed to tower side cantilever truss 1, the lateral displacement of stopping means 2.1.2 restriction translating device 2 in transverse shifting process, tetrafluoro plate 2.1.4 plays smooth effect, makes it on translation track 2.2, complete transverse shifting by less power.
As shown in Figure 1 and Figure 2, described boom hoisting 3 comprise be arranged on bridge floor hoist engine 3.1 and deflecting roller 3.2, be fixed on the tackle pulley 3.3 on hanger 2.1.5 by U-shape lock button 3.4, between described hoist engine 3.1, deflecting roller 3.2 and tackle pulley 3.3, connect by wire rope.Hoist engine 3.1 provides power, and deflecting roller 3.2 changes the direction of wire rope, reduces the interference to existing drag-line, and U-shape lock button 3.4 is connected with the hanger 2.1.5 on translating device 2.
As shown in Figure 11, Figure 12, described tower top is strengthened the reinforcement montant 4.1 that truss 4 comprises two vertical settings that are parallel to each other, strengthen being fixedly connected with and strengthening cross bar 4.2 between montant 4.1 tops for described two, described reinforcement montant 4.1 with strengthen between cross bar 4.2 being fixedly connected with the reinforcement strut 4.4 intersecting, on described reinforcement montant 4.1, be fixedly connected with and be useful on the bracing diagonal 4.3 being fixedly connected with tower side cantilever truss 1.Tower top is strengthened truss 4 and can be determined and adopt which kind of form of structure according to actual conditions.
The utility model suspension cable changes the installation of the special tower top device for hoisting of rope: first carry out setting-out at tower top, complete burying underground of built-in fitting 5; At tower top, small-sized gin pole is installed, the overall skeleton of tower side cantilever truss 1 or fragmentary unit are winched to tower top, and complete crab-bolt with built-in fitting and be connected, be fixed on tower side, complete the installation of tower side cantilever truss 1; Adopt corresponding tower top to strengthen truss 4 according to actual conditions, lift each rod member to tower top, and complete assembled; Complete the welding of translation dolly 2.1 in factory, be transported to scene, first on tower side cantilever truss 1, translation track 2.2 is installed, then translation dolly 2.1 is winched to relevant position, complete the installation of translating device 2; Complete the installation of hoist engine 3.1 and fixing deflecting roller 3.2 at bridge floor, then wire rope is winched to tower top, carry out the connection of tackle pulley 3.3 and U-shape lock button 3.4 and bridge floor hoist engine 3.1 and fixing deflecting roller 3.2, complete the installation of boom hoisting 3; Finally carry out dead load lifting test according to reality lifting size, success to be tested, special tower top device for hoisting installs, and starts lifting operation.
Claims (10)
1. the special assembly type tower top of a stay cable replacing device for hoisting, is characterized in that: it comprise be anchored at both sides, Sarasota top tower side cantilever truss, be arranged on the translating device that can move horizontally on tower side cantilever truss, the boom hoisting being connected with translating device and be fixed on that Sarasota top is fixedly connected with tower side cantilever truss tower top strengthen truss.
2. the special assembly type tower top of stay cable replacing according to claim 1 device for hoisting, it is characterized in that: described tower side cantilever truss comprises that one end is anchored at respectively main cross bar and the main diagonal on Sarasota, the described main cross bar other end is fixedly connected with the described main diagonal other end, between described main cross bar and described main diagonal, is provided with main supporting rod.
3. the special assembly type tower top of stay cable replacing according to claim 2 device for hoisting, is characterized in that: the angle between described main cross bar and main diagonal is not less than 45 °.
4. the special assembly type tower top of stay cable replacing according to claim 2 device for hoisting, is characterized in that: the junction of described main cross bar, main diagonal and described main supporting rod is respectively equipped with and adds powerful plate; The termination, one end of described main cross bar and main diagonal and Sarasota anchoring is respectively equipped with main cross bar and is anchored backing plate and main diagonal anchor backing plate.
5. the special assembly type tower top of stay cable replacing according to claim 1 device for hoisting, is characterized in that: described translating device comprises the translation track being arranged on tower side cantilever truss and is arranged on the translation dolly on translation track.
6. the special assembly type tower top of stay cable replacing according to claim 5 device for hoisting, it is characterized in that: described translation dolly comprises the bearing type steel frame being arranged on translation track, between described bearing type steel frame and translation track, be provided with slippage backing plate and tetrafluoro plate, both sides, described bearing type steel frame bottom are provided with for translation dolly is limited in to the stopping means on translation track, are provided with hanger in the middle of described bearing type steel frame bottom.
7. the special assembly type tower top of stay cable replacing according to claim 6 device for hoisting, is characterized in that: described stopping means is arranged on the both sides of the slippage backing plate of translation dolly bottom; Described slippage backing plate width is corresponding with translation track; The basal surface that described tetrafluoro plate is arranged on slippage backing plate is fixedly connected with slippage backing plate.
8. the special assembly type tower top of stay cable replacing according to claim 6 device for hoisting, is characterized in that: described hanger comprises the lifting hole(eyelet) that is arranged on the middle mainboard in bearing type steel frame bottom and is opened in mainboard bottom; The upper end of the lifting hole(eyelet) on described mainboard is provided with stable stiffener, and the lifting hole(eyelet) on described mainboard is provided with lifting hole(eyelet) stiffener around.
9. the special assembly type tower top of stay cable replacing according to claim 1 device for hoisting, it is characterized in that: described boom hoisting comprise be arranged on bridge floor hoist engine and deflecting roller, be fixed on the tackle pulley on hanger by U-shape lock button, between described hoist engine, deflecting roller and assembly pulley, connect by wire rope.
10. the special assembly type tower top of stay cable replacing according to claim 1 device for hoisting, it is characterized in that: described tower top is strengthened the reinforcement montant that truss comprises two vertical settings that are parallel to each other, strengthen being fixedly connected with reinforcement cross bar between montant top for described two, described reinforcement montant with strengthen between cross bar being fixedly connected with the reinforcement strut intersecting, on described reinforcement montant, be fixedly connected with and be useful on the bracing diagonal being fixedly connected with tower side cantilever truss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320673336.5U CN203625788U (en) | 2013-10-29 | 2013-10-29 | Assembling-type tower crane device dedicated for stay cable replacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320673336.5U CN203625788U (en) | 2013-10-29 | 2013-10-29 | Assembling-type tower crane device dedicated for stay cable replacement |
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| Publication Number | Publication Date |
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| CN203625788U true CN203625788U (en) | 2014-06-04 |
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| CN201320673336.5U Expired - Lifetime CN203625788U (en) | 2013-10-29 | 2013-10-29 | Assembling-type tower crane device dedicated for stay cable replacement |
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| CN (1) | CN203625788U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886225A (en) * | 2019-11-29 | 2020-03-17 | 湖北省路桥集团有限公司 | Construction method of cable tower stay cable installation system |
-
2013
- 2013-10-29 CN CN201320673336.5U patent/CN203625788U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886225A (en) * | 2019-11-29 | 2020-03-17 | 湖北省路桥集团有限公司 | Construction method of cable tower stay cable installation system |
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Granted publication date: 20140604 |