CN2597531Y - Single rope face tracting rope hanging cage - Google Patents

Single rope face tracting rope hanging cage Download PDF

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Publication number
CN2597531Y
CN2597531Y CNU022895078U CN02289507U CN2597531Y CN 2597531 Y CN2597531 Y CN 2597531Y CN U022895078 U CNU022895078 U CN U022895078U CN 02289507 U CN02289507 U CN 02289507U CN 2597531 Y CN2597531 Y CN 2597531Y
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CN
China
Prior art keywords
cable
basket
longeron
adopts
chord
Prior art date
Application number
CNU022895078U
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Chinese (zh)
Inventor
王中文
刘刚亮
毛志坚
刘宏波
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广东省长大公路工程有限公司第一分公司
王中文
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Priority to CNU022895078U priority Critical patent/CN2597531Y/en
Application granted granted Critical
Publication of CN2597531Y publication Critical patent/CN2597531Y/en

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Abstract

The utility model relates to a single cable face pulling cradle, belonging to the equipment specially used for building the bridge by cantilever, more particularly, which is suitable for the construction of the main beam cantilever above the single cable face concrete stayed bridge. The utility model mainly comprises five parts: a bottom cradle, a thrust device, a cable pulling device, a dephaser device and moulding board and a supporting frame. The utility model is characterized in that: by adopting the through cable pulling way, the structure of the utility model is completely arranged at the main beam bottom of the stayed bridge, the front supporting point is pulled by the stayed cable, the middle supporting point and the back supporting point are anchored at the section of the cast box beam; the horizontal force produced by the pulling cable can be transmitted to the bottom board of the cast box beam by the thrust device; At the same time, in the course of casing the main beam, the stayed pulling cable can be stressed repeatedly by a jack to adjust the elevation of the section being cast so as to control the main beam line type well; the cradle adopts the rolling dephaser device, and the front supporting point of the cradle rolls on the longitudinal beam arranged at the top of the cast box shape main beam of the stayed bridge by the swinging wheel, and the side longitudinal beam of the bottom cradle moves on the riding wheel fixed below the bottom board of the main beam; the bearing system of the cradle is used with the system of the dephaser device, so as to reduce the steel quantity of the cradle.

Description

Single cable face cable-dragging suspension basket

Technical field

The utility model belongs to the equipment that is exclusively used in the cantilever erection bridge, particularly a kind of construction Hanging Basket that is used for single rope surface concrete cable-stayed bridge main-beam cast.

Background technology

The concrete deck cable stayed bridge cantilever construction generally adopts common Hanging Basket or dragging suspension basket at present.Common Hanging Basket is made up of bearing frame and end basket, following defective is arranged: 1. when casting condition in cantilever construction, basket front fulcrum anchor is on the bearing frame of cantilever at the end, and bearing frame is directly to be fixed on the Anterior Segment girder of finishing cast, this make girder cast the time watered the suffered internal force of beam section and moment of flexure bigger, main beam structure is produced unfavorable factor; 2. cable stayed bridge is the more structure of degree of statical indeterminacy, and in work progress, it is bigger that the girder absolute altitude is influenced by natural causes such as temperature, sunshine, weather, utilizes the bad control of common Hanging Basket; 3. common main truss cradle frame is higher, and wind resisting stability is poor, to being positioned at the bridge construction in the multiple district of typhoon, if the common Hanging Basket wind resisting stability of employing can be poor.

In the construction of double plane cable stayed bridge top kingpost cantalever, adopt the deck type dragging suspension basket more, this dragging suspension basket has reasonably utilized the drag-line of double plane cable stayed bridge structure, for main girder construction sections Hanging Basket front fulcrum provides upward pulling force.The load-bearing form of its telephone-moving mainly adopts " C " shape hook that is supported on the girder end face in the setting of Hanging Basket central bearing point, and front fulcrum telephone-moving spandrel girder is set or rear fulcrum top wheel is set in the Hanging Basket tail boom end of girder bottom surface at the girder end face.Be that with the conventional Hanging Basket comparison of deck type dragging suspension basket advantage basket is in light weight, and be convenient to the adjustment of the linear and Suo Li of construction stage concrete girder.

, the girder section two ends of single plane cable stayed bridge can't adopt " C " shape hook but often adopting the thin-walled wing plate, and the drag-line centralized arrangement makes dragging suspension basket both lateral sides cantilever bigger in the girder middle part, so the beam section constructing method often can only adopt the conventional Hanging Basket of deck type.The internal force of construction middle girder is big, the line style of wayward girder.

The utility model content

The technical problems to be solved in the utility model will overcome above-mentioned the deficiencies in the prior art exactly, and a kind of construction Hanging Basket that is applicable to single rope surface concrete cable-stayed bridge main-beam cast is provided.

The technical solution of the utility model is, a kind of end basket that comprises, thrust brake, the guy rope device, the single cable face cable-dragging suspension basket of moving device and template and support thereof, the end basket that it is characterized in that it is the space stiffness combination steel work that adopts plate girder and shaped steel to be welded, be positioned at cable stayed bridge concrete girder below, comprise two main longitudinal griders that vertically place basket middle part, the end, vertically place two the limit longerons in two main longitudinal grider outsides respectively, laterally place the front beam of basket front portion, the end, laterally place the rear cross beam at basket rear portion, the end, the distribution longeron in the longeron outside, between main longitudinal grider and the limit longeron and limit, distribution crossbeam between the crossbeam of front and back, wherein main longitudinal grider is the plate girder that single box single chamber is combined into batten plate, its front end is an arc, and the limit longeron is single case plate girder.Its moving device comprises plate girder telephone-moving longeron, be positioned at cable stayed bridge and poured into a mould the box girder top, at the bottom of the longeron of limit, be provided with support roller, and poured into a mould the box-shaped kingpost baseplate with cable stayed bridge and fixedlyed connected, longeron rear end, limit has been poured into a mould box girder with cable stayed bridge and has been connected by anchor pole, and front end hangs on the telephone-moving longeron, during telephone-moving by suspension rod and hanging wheel, end basket front fulcrum rolls on the telephone-moving plate girder by hanging wheel, and bottom basket side longitudinal beam moves on the support roller that is fixed on the cable-stayed bridge main-beam base plate.Its thrust brake is positioned at the main longitudinal grider rear end.Its guy rope device is between main longitudinal grider and cable stayed bridge suspension cable, and its template and support thereof are positioned on the end basket.Its end basket front beam and rear cross beam are truss-like, comprise upper chord respectively, lower chord, web member, lower chord adopts plate girder on the front beam, web member adopts i iron, the rear cross beam upper chord adopts plate girder, lower chord adopts i iron, web member adopts angle steel, the front beam upper chord passes main longitudinal grider and limit longeron, and rigidity is welded to connect or the connection of rigidity bolt with it, and the rear cross beam upper chord places the longeron end face, and rigidity is welded to connect or the connection of rigidity bolt with it, distribution longeron and distribution crossbeam all adopt i iron, respectively with main limit longeron, front and back crossbeam upper chord rigidity is welded to connect or the rigidity bolt connects.Its thrust brake comprises thrust block, pre-embedded steel slab and bolt, thrust block is the wedge type piece that a triangle steel plate is put more energy into, four road floors are vertically arranged, pre-embedded steel slab is embedded in cable stayed bridge and has poured into a mould in the box girder, by bolt, pre-embedded steel slab thrust block and cable stayed bridge has been poured into a mould box girder and has been rigidly connected.Its guy rope device is to comprise quarter butt, connector, stock, nut and jack, one end of quarter butt and stock connects by connector, the guy rope device is connected with suspension cable by the nut of the quarter butt other end, the other end of stock passes Hanging Basket main longitudinal grider arc head and is connected with jack, and its rod member adopts screw rod.Its template and support thereof adopt punching block, comprise face die plate, soffit formwork, stiffening rib, the channel-section steel of putting more energy into, and soffit formwork is connected with the eave tile screw with end basket.

The beneficial effects of the utility model are, it adopts lower support type dragging suspension basket form, its structure all is arranged at the bottom of the cable-stayed bridge main-beam, and front fulcrum draws with suspension cable, makes full use of the stay cable force of cable stayed bridge own, reduce concrete internal force in the girder casting process, strong guarantee main beam structure force-bearing situation is consistent with design situation, in the girder casting process, can utilize repeatedly stretch-draw suspension cable of jack simultaneously, adjust cast-in-place beam section elevation absolute altitude, control the girder line style better.Be particularly suitable for the construction of single rope face concrete cable stayed bridge top kingpost cantalever.Hanging basket's components is for being rigidly connected entirely, and the lifting installation is convenient.Directly power transmission of crossbeam before and after the Hanging Basket, rod member is stressed clear and definite.Hanging Basket load bearing system and telephone-moving system and usefulness have reduced the Hanging Basket steel using amount.Hanging Basket adopts the rolling telephone-moving, saves time, labor strength is low.Replace the bottom plate groove of existing cradle structure in the Hanging Basket thrust system with high-strength bolt, stressed clearer and more definite.Hanging Basket is in light weight, and rigidity is reliable, and especially laterally torsional rigidity is good.

Description of drawings

Fig. 1 is the utility model structural representation.

Fig. 2 is the A-A sectional view of Fig. 1.

Fig. 3 is the B-B sectional view of Fig. 1.

Fig. 4 is an end basket structural representation.

Fig. 5 is a thrust apparatus structure schematic diagram.

Fig. 6 is the C-C sectional view of Fig. 5.

Fig. 7 is a guy rope apparatus structure schematic diagram.

Fig. 8 is schematic diagram before the telephone-moving.

Fig. 9 is schematic diagram after the telephone-moving.

Wherein: the 1-main longitudinal grider; 2-limit longeron; 3-template and support thereof; 4-main longitudinal grider arc head; 5-guy rope device; The 6-thrust brake; The 7-front beam; The 8-rear cross beam; The 9-front fulcrum; The 10-central bearing point; The 11-rear fulcrum; The 12-cable stayed bridge has been poured into a mould box girder; 13-cable stayed bridge box girder to be cast; 14-telephone-moving longeron (plate girder); The 15-anchor pole; The 16-support roller; 17-front beam upper chord; 18-front beam lower chord; 19-front beam web member; 20-rear cross beam upper chord; 21-rear cross beam lower chord; 22-rear cross beam web member; 23-distribution crossbeam; 24-distribution longeron; The 25-batten plate; The 26-thrust block; The 27-pre-embedded steel slab; The 28-bolt; The 29-quarter butt; The 30-connector; The 31-stock; The 32-nut; The 33-jack; The 34-face die plate; The 35-soffit formwork; The 36-floor of putting more energy into; The 37-moving device; The 38-hanging wheel; The 39-suspension rod.

The specific embodiment

As shown in Figure 1, single cable face cable-dragging suspension basket mainly is made up of end basket, thrust brake 6, guy rope device 5, moving device 37 and template and 3 five parts of support thereof.The end basket front fulcrum 9 that is arranged in concrete girder below is by 5 tractions of guy rope device, 11 of central bearing point 10 and rear fulcrums are anchored at cable stayed bridge and have poured into a mould box girder 12 sections, the horizontal force that causes by guy rope, then, pass to cable stayed bridge and poured into a mould the box-shaped kingpost baseplate by being arranged on the main longitudinal grider rear portion, having poured into a mould the fixing thrust brake 6 of box-shaped kingpost baseplate with cable stayed bridge.As Figure 1-3, template and support 3 thereof adopt punching block, and face die plate 34 is 4 millimeters thick steel plates, and stiffening rib is 4 millimeters thick steel plates, and the channel-section steel of putting more energy into is 2 10 bugle steel, and soffit formwork 35 is connected with the eave tile screw with end basket.

As shown in Figure 4, end basket is the space stiffness combination steel work that plate girder and shaped steel are welded, and is made up of main longitudinal grider 1, limit longeron 2, front beam 7, rear cross beam 8, distribution longeron 24 and distribution crossbeam 23.Main longitudinal grider 1 is the Hanging Basket main bearing member, mainly bears vertical bending moment and horizontal force that guy rope causes.The angle of guy rope device 5 adaptive stay cables of the spreading pull bar form that adopts for making changes, and main longitudinal grider 1 head end is designed to the curved beam of garden camber.Limit longeron 2 is mainly telephone-moving and is provided with.Main longitudinal grider 1 is two plate girders that single box single chamber is combined into batten plate 25, be to adapt to the oblique cord space curved surface and changes, and it is 5.2 meters arc beam 4 that radius is made in the termination, 16.4 meters of limit longeron total lengths, and single case plate girder sectional dimension is 1200 * 800 * 16 millimeters.For avoiding drag-line, forward and backward crossbeam spacing is designed to 5.2 meters, 10.5 meters of front beam 7 one-sided horizontal cantilever length.Distribution longeron 24 adopts 2 No. 40 i iron, and the distribution longeron is welded to connect with forward and backward crossbeam rigidity or the rigidity bolt is connected.Distribution crossbeam 23 adopts 2 No. 40 i iron, and the distribution crossbeam is welded to connect with the longeron rigidity or the rigidity bolt is connected.

Shown in Fig. 2,3,, front beam 7 and rear cross beam 8 are designed to the truss pattern for improving the lateral stiffness of end basket.Rear cross beam upper chord 20 places limit longeron 2 end faces, 17 webs that pass limit longeron 2 of front beam upper chord, and longeron 2 rear ends in limit have been poured into a mould box girder 12 with cable stayed bridge and have been connected by anchor pole 15.The front beam purlin is high 2.6 meters, 10 meter half scope in upper chord 17 middle parts adopts 800 * 600 * 16 millimeters plate girders, all the other are 600 * 400 * 16 millimeters plate girders, lower chord 18 is 600 * 400 * 16 millimeters plate girders, web member 19 adopts respectively No. 40, No. 32 and No. 20 i iron, front beam upper chord 17 all passes main longitudinal grider 1 and limit longeron 2, is welded to connect with the longeron rigidity or the rigidity bolt is connected.The rear cross beam purlin is high 2.8 meters, and upper chord 20 adopts 400 * 200 * 16 millimeters plate girders, and lower chord 21 adopts 2 No. 32 i iron, and web member 22 adopts 2 20 bugle steel.Rear cross beam is welded to connect with the longeron rigidity or the rigidity bolt is connected.

As Fig. 5, shown in Figure 6, for the opposing suspension cable to Hanging Basket at the bottom of the horizontal force that applies of basket, at thrust brake of main longitudinal grider 1 back end design, constitute by thrust block 26, pre-embedded steel slab 27 and bolt 28, thrust block 26 is that the wedge type piece that a triangle steel plate is put more energy into is formed, vertical four road floors 36, and pre-embedded steel slab 27 is for leaving 2 cm thick A3 steel plates of pre-buried via hole, be embedded in cable stayed bridge and poured into a mould in the box girder 12, bolt 28 is 42 millimeters burnished bolts of diameter.By bolt, pre-embedded steel slab thrust block and cable stayed bridge having been poured into a mould box girder 12 is rigidly connected.

As shown in Figure 7, the guy rope device is made up of quarter butt 29, connector 30, stock 31, nut 32 and jack 33, one end of quarter butt and stock connects by connector, the guy rope device is connected with suspension cable by the nut of the quarter butt other end, the other end of stock passes Hanging Basket main longitudinal grider arc first 4 and is connected with jack at end basket front fulcrum 9 places, its 135 millimeters of diameter of rod member employing, steel are the screw rod of 40Cr.When cast cable stayed bridge case beam concrete, can adjust Hanging Basket front fulcrum absolute altitude by stretch-draw jack 33 repeatedly.

As Fig. 8, shown in Figure 9, telephone-moving realizes to have poured into a mould the mode that support roller 16 is set at the bottom of box girder 12 tops are provided with telephone-moving longeron 14 and girder at cable stayed bridge.Be that end basket front fulcrum rolls on telephone-moving longeron 14 by hanging wheel 38, bottom basket side longitudinal beam 2 moves on the support roller 16 that is fixed on girder 12 base plates.Longeron 2 front ends in limit hang on the telephone-moving longeron 14 by suspension rod 39 and hanging wheel 38 when telephone-moving.Plate girder 14 also is used for end basket template absolute altitude adjustment except that being used for the telephone-moving use.Earlier telephone-moving longeron 14 tractive slippage on track is put in place during telephone-moving, realize telephone-moving by manual chain block again.For safety all is provided with anti-zipper calabash at every some tractive place.The telephone-moving longeron adopts 1200 * 600 * 24mm plate girder.

Claims (6)

1, a kind of end basket that comprises, thrust brake, the guy rope device, the single cable face cable-dragging suspension basket of moving device and template and support thereof, it is characterized in that the space stiffness combination steel work that its end basket adopts plate girder and shaped steel to be welded, comprise two main longitudinal griders (1) that vertically place basket middle part, the end, vertically place two the main longitudinal grider outside two limit longerons (2) respectively, laterally place the front beam (7) of basket front portion, the end, laterally place the rear cross beam (8) at basket rear portion, the end, and place between main longitudinal grider and the limit longeron and the distribution longeron (24) in the limit longeron outside, distribution crossbeam (23) between the crossbeam of front and back, the plate girder that is combined into batten plate for single box single chamber of main longitudinal grider (1) wherein, its front end is arc head (4), limit longeron (2) is single case plate girder, its moving device comprises plate girder telephone-moving longeron (14), be located at the support roller (16) of limit longeron (2) bottom, limit longeron (2) rear end is connected to anchor pole (15), front end hangs on the telephone-moving longeron (14) by suspension rod (39) and hanging wheel (38), and thrust brake (6) is positioned at main longitudinal grider (1) rear end.
2, single cable face cable-dragging suspension basket according to claim 1, the end basket front beam (7) and the rear cross beam (8) that it is characterized in that it are truss-like, comprise upper chord respectively, lower chord and web member, lower chord (17 on the front beam, 18) adopt plate girder, web member (19) adopts i iron, rear cross beam upper chord (20) adopts plate girder, lower chord (21) adopts i iron, web member (22) adopts angle steel, the front beam upper chord passes main longitudinal grider and limit longeron, and rigidity is welded to connect or the connection of rigidity bolt with it, the rear cross beam upper chord places main limit longeron end face, and rigidity is welded to connect or the connection of rigidity bolt with it, and distribution longeron (24) all adopts i iron with distribution crossbeam (23), respectively with main limit longeron (1,2), front and back crossbeam upper chord (17,20) rigidity is welded to connect or the connection of rigidity bolt.
3, single cable face cable-dragging suspension basket according to claim 1, the thrust brake (6) that it is characterized in that it comprises thrust block (26), pre-embedded steel slab (27) and bolt (28), thrust block (26) is a wedge type piece that has the triangle steel plate to put more energy into, the four roads floor (36) of putting more energy into is vertically arranged, and bolt passes pre-embedded steel slab.
4, single cable face cable-dragging suspension basket according to claim 1, the guy rope device (5) that it is characterized in that it comprises quarter butt (29), connector (30), stock (31), nut (32) and jack (33), wherein an end of quarter butt and stock connects by connector, the quarter butt other end is a nut, the other end of stock passes Hanging Basket main longitudinal grider arc head (4) and is connected with jack, and its rod member adopts screw rod.
5, single cable face cable-dragging suspension basket according to claim 1 is characterized in that the telephone-moving longeron (14) in its moving device adopts 1200 * 600 * 24 millimeters plate girders.
6, single cable face cable-dragging suspension basket according to claim 1 is characterized in that its template and support (3) thereof adopt punching block, comprises face die plate (34), soffit formwork (35), stiffening rib, the channel-section steel of putting more energy into, and soffit formwork and end basket connect with the eave tile screw
CNU022895078U 2002-11-21 2002-11-21 Single rope face tracting rope hanging cage CN2597531Y (en)

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CNU022895078U CN2597531Y (en) 2002-11-21 2002-11-21 Single rope face tracting rope hanging cage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU022895078U CN2597531Y (en) 2002-11-21 2002-11-21 Single rope face tracting rope hanging cage

Publications (1)

Publication Number Publication Date
CN2597531Y true CN2597531Y (en) 2004-01-07

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Country Link
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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101831872A (en) * 2010-05-12 2010-09-15 重庆城建控股(集团)有限责任公司 Front and rear fulcrum combined cradle
CN101845796A (en) * 2010-05-17 2010-09-29 广东省长大公路工程有限公司 Cable-stayed basket thrust device
CN101845795A (en) * 2010-05-17 2010-09-29 广东省长大公路工程有限公司 Cable-stayed cradle of adjustment-free cable tension long platform in construction of cable-stayed bridge
CN101967799A (en) * 2010-11-16 2011-02-09 中铁二十四局集团有限公司 Light-weight truss cradle
CN101672016B (en) * 2009-08-27 2011-04-06 孙广喜 Suspended basket spherical pressing wheel device
CN101672019B (en) * 2009-08-27 2011-05-04 孙广喜 Suspended basket external spherical pressing wheel device
CN102094392A (en) * 2011-03-03 2011-06-15 中铁四局集团第一工程有限公司 Lower supported hanging basket in bridge construction and application thereof
CN102230312A (en) * 2011-02-28 2011-11-02 中铁五局(集团)有限公司 Cable-stayed cradle cambered head
CN101672018B (en) * 2009-08-27 2011-11-09 孙广喜 Trackless hanging bracket with traveling truss
CN101522993B (en) * 2006-08-17 2012-03-28 浦项产业科学研究院 Modular steel bridge
CN102535338A (en) * 2010-12-23 2012-07-04 上海市基础工程有限公司 Hanging side formwork of cradle
CN103243658A (en) * 2013-05-16 2013-08-14 中交路桥华南工程有限公司 Guyed traveler for cable-stayed bridge and assembly method for guyed traveler
CN103498426A (en) * 2013-10-17 2014-01-08 重庆城建控股(集团)有限责任公司 Construction method of super-tonnage single-cable-plane front fulcrum and back fulcrum combined type basket hanging system
CN104120659A (en) * 2014-08-15 2014-10-29 山东省路桥集团有限公司 Descending type suspended scaffold
CN104631324A (en) * 2014-12-17 2015-05-20 上海市基础工程集团有限公司 Front supporting point hanging basket construction process used for inclined pull bridge super-wide flange girder
CN105386414A (en) * 2015-11-30 2016-03-09 中国建筑第七工程局有限公司 Lower-guide type main-truss-free hanging basket
CN105544413A (en) * 2015-12-11 2016-05-04 中铁大桥局集团有限公司 Stay rope type girder erection crane for erecting cable-stayed bridge steel truss girders and construction method
CN105755967A (en) * 2016-05-10 2016-07-13 河南省公路工程局集团有限公司 Separated type adjustable thrust key device for stay cable hanging basket on main beam of cable-stayed bridge

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101522993B (en) * 2006-08-17 2012-03-28 浦项产业科学研究院 Modular steel bridge
CN101672018B (en) * 2009-08-27 2011-11-09 孙广喜 Trackless hanging bracket with traveling truss
CN101672019B (en) * 2009-08-27 2011-05-04 孙广喜 Suspended basket external spherical pressing wheel device
CN101672016B (en) * 2009-08-27 2011-04-06 孙广喜 Suspended basket spherical pressing wheel device
CN101831872A (en) * 2010-05-12 2010-09-15 重庆城建控股(集团)有限责任公司 Front and rear fulcrum combined cradle
CN101831872B (en) * 2010-05-12 2011-07-06 重庆城建控股(集团)有限责任公司 Front and rear fulcrum combined cradle
CN101845795A (en) * 2010-05-17 2010-09-29 广东省长大公路工程有限公司 Cable-stayed cradle of adjustment-free cable tension long platform in construction of cable-stayed bridge
CN101845796A (en) * 2010-05-17 2010-09-29 广东省长大公路工程有限公司 Cable-stayed basket thrust device
CN101845796B (en) * 2010-05-17 2012-08-01 广东省长大公路工程有限公司 Cable-stayed basket thrust device
CN101845795B (en) * 2010-05-17 2012-07-18 广东省长大公路工程有限公司 Cable-stayed cradle of adjustment-free cable tension long platform in construction of cable-stayed bridge
CN101967799B (en) * 2010-11-16 2012-08-29 中铁二十四局集团有限公司 Light-weight truss cradle
CN101967799A (en) * 2010-11-16 2011-02-09 中铁二十四局集团有限公司 Light-weight truss cradle
CN102535338A (en) * 2010-12-23 2012-07-04 上海市基础工程有限公司 Hanging side formwork of cradle
CN102230312A (en) * 2011-02-28 2011-11-02 中铁五局(集团)有限公司 Cable-stayed cradle cambered head
CN102230312B (en) * 2011-02-28 2012-08-15 中铁五局(集团)有限公司 Cable-stayed cradle cambered head
CN102094392B (en) * 2011-03-03 2012-05-02 中铁四局集团第一工程有限公司 Lower supported hanging basket in bridge construction and application thereof
CN102094392A (en) * 2011-03-03 2011-06-15 中铁四局集团第一工程有限公司 Lower supported hanging basket in bridge construction and application thereof
CN103243658A (en) * 2013-05-16 2013-08-14 中交路桥华南工程有限公司 Guyed traveler for cable-stayed bridge and assembly method for guyed traveler
CN103243658B (en) * 2013-05-16 2015-11-25 中交路桥华南工程有限公司 The spelling method of cable stayed bridge dragging suspension basket
CN103498426A (en) * 2013-10-17 2014-01-08 重庆城建控股(集团)有限责任公司 Construction method of super-tonnage single-cable-plane front fulcrum and back fulcrum combined type basket hanging system
CN104120659A (en) * 2014-08-15 2014-10-29 山东省路桥集团有限公司 Descending type suspended scaffold
CN104631324A (en) * 2014-12-17 2015-05-20 上海市基础工程集团有限公司 Front supporting point hanging basket construction process used for inclined pull bridge super-wide flange girder
CN105386414A (en) * 2015-11-30 2016-03-09 中国建筑第七工程局有限公司 Lower-guide type main-truss-free hanging basket
CN105544413A (en) * 2015-12-11 2016-05-04 中铁大桥局集团有限公司 Stay rope type girder erection crane for erecting cable-stayed bridge steel truss girders and construction method
CN105755967A (en) * 2016-05-10 2016-07-13 河南省公路工程局集团有限公司 Separated type adjustable thrust key device for stay cable hanging basket on main beam of cable-stayed bridge

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