CN106976797A - Three suspension centres turn round suspender - Google Patents

Three suspension centres turn round suspender Download PDF

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Publication number
CN106976797A
CN106976797A CN201710406410.XA CN201710406410A CN106976797A CN 106976797 A CN106976797 A CN 106976797A CN 201710406410 A CN201710406410 A CN 201710406410A CN 106976797 A CN106976797 A CN 106976797A
Authority
CN
China
Prior art keywords
underbeam
suspension
hook
suspender
upper beam
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710406410.XA
Other languages
Chinese (zh)
Inventor
韩玉
秦大燕
林峰
蒋玮
黄绍结
李莘哲
王建军
李彩霞
陈林
魏华
吕中玉
冯智
李雪芬
覃晓凤
罗小斌
陈云辉
黄业圣
朱剑宏
唐颖贤
莫桥清
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Road and Bridge Engineering Group Co Ltd
Original Assignee
Guangxi Road and Bridge Engineering Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangxi Road and Bridge Engineering Group Co Ltd filed Critical Guangxi Road and Bridge Engineering Group Co Ltd
Priority to CN201710406410.XA priority Critical patent/CN106976797A/en
Publication of CN106976797A publication Critical patent/CN106976797A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/22Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • B66C1/28Duplicate, e.g. pivoted, members engaging the loads from two sides
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges

Abstract

Suspender is turned round the invention discloses a kind of three suspension centre, the steel girder segment is hung using the vertical pocket of three suspension centres revolution suspender, the three suspension centres revolution suspender includes underbeam and upper beam, lower section in the middle part of the underbeam is provided with middle shackle hook, the middle shackle hook is connected by arm-tie component with underbeam, the lower section of the underbeam left end is provided with anticlockwise suspension hook, the anticlockwise suspension hook is connected by arm-tie component with underbeam, the lower section of the underbeam right-hand member is provided with right rotation suspension hook, the right rotation suspension hook is connected by arm-tie component with underbeam, a upper beam is respectively equipped with above the left and right ends of the underbeam, the left and right ends of the underbeam are connected to the middle part of the upper beam by a rotation reversing arrangement respectively, a fixed pulley group is respectively equipped with above the two ends of each upper beam, two fixed pulley groups are connected by a rotation reversing arrangement with the upper beam respectively.The fishing tackle solves handling steel girder segment and the inconvenient technical problem of floorings between two suspension cable faces.

Description

Three suspension centres turn round suspender
Technical field
Hung the present invention relates to suspender technical field, more particularly to a kind of turned round in three suspension centres used for building cable-stayed bridge Tool.
Background technology
In across girder routine installed using erection crane, according to girder means of transportation, be divided into waterborne or land direct lifting Install and revolution lifting installs two kinds.But because river course is not opened the navigation or air flight at the bridge bridge location of Hongsuihe River, in can not be hung across girder using bridge floor Machine lifting method waterborne is installed.As for revolution lifting method, also because Guangxi bank main line is obstructed, no road can detour, newly-built sidewalk It is costly, to build more than 20 kilometers high-grade sidewalks, it is impossible to use.
The content of the invention
The technical problems to be solved by the invention are:A kind of three suspension centres revolution suspender is provided, solved using the fishing tackle Handling steel girder segment and the inconvenient technical problem of floorings between two suspension cable faces.
In order to solve the above technical problems, the technical solution adopted in the present invention is:A kind of three suspension centres revolution suspender, using three The vertical pocket of suspension centre revolution suspender hangs the steel girder segment, and the three suspension centres revolution suspender is included in underbeam and upper beam, the underbeam The lower section in portion is provided with middle shackle hook, and the middle shackle hook is connected by arm-tie component with underbeam, the underbeam left end Lower section be provided with anticlockwise suspension hook, the anticlockwise suspension hook is connected by arm-tie component with underbeam, the lower section of the underbeam right-hand member Provided with right rotation suspension hook, the right rotation suspension hook is connected by arm-tie component with underbeam, the top of the left and right ends of the underbeam A upper beam is respectively equipped with, the left and right ends of the underbeam are connected in the upper beam by a rotation reversing arrangement respectively A fixed pulley group is respectively equipped with above portion, the two ends of each upper beam, two fixed pulley groups are turned by one respectively Dynamic reversing arrangement is connected with the upper beam.
As an improvement mode, a fixed pulley group is ranked pulley including 3.
As an improvement mode, each described fixed pulley group is rotatablely installed on a pulley base.
As an improvement mode, the arm-tie component includes two blocks of side plates for being oppositely arranged, described in two pieces side plate Obtain upper and lower part and be respectively equipped with a hanging axis.
As an improvement mode, the loading capacity of the middle shackle hook is more than 200t.
As an improvement mode, the middle shackle hook, anticlockwise suspension hook and right rotation suspension hook are respectively articulated with There is locking pin.
Use the technique effect that above-mentioned technical proposal is obtained for:
Three suspension centre turns round suspender by steel wire hang in being allocated and transported on cable to steel girder segment and floorings, and this hangs Tool lifts the two ends of lower fine strain of millet by two upper fine strains of millet respectively, and suspension centre of the two ends provided with suspension floorings of underbeam, the centre of underbeam are set The suspension centre of steel girder segment is hung, three design of lifting points can make underbeam stress during allocation and transportation keep balance, it is to avoid turn on one's side.
Because a fixed pulley group is ranked pulley including 3, steel wire rope bypasses fixed pulley and hangs three suspension centres revolution suspender It is suspended on the main rope road of cable crane.
Because the arm-tie component includes two blocks of side plates being oppositely arranged, side plate is obtained described in two pieces and obtains upper and lower part difference Provided with a hanging axis, arm-tie component is constituted by middle shackle hook, anticlockwise suspension hook and right rotation suspension hook point by the structure Underbeam is not connected to it.
Because the loading capacity of the middle shackle hook is more than 200t, it is sufficient to suspend steel girder segment in midair.
Because the middle shackle hook, anticlockwise suspension hook and right rotation suspension hook have been respectively articulated with locking pin, locking pin It can prevent steel girder segment or floorings from coming off.
Brief description of the drawings
Fig. 1 be the present invention use cable crane install cable-stayed bridge in across girder method schematic diagram;
Fig. 2 is the enlarged drawing at A in Fig. 1;
Fig. 3 is the enlarged drawing at B in Fig. 1;
Fig. 4 is the structural representation that three suspension centres turn round fishing tackle;
Fig. 5 is the sectional view in C-C directions in Fig. 4;
In figure, 1- abutments, 2- bridge piers, 3- beam cars, 4- cables, 5- king-towers, 6- suspension cables, the suspension centres of 7- tri- revolution fishing tackle, 71- rotates reversing arrangement, and 72- upper beams, 73- rotates reversing arrangement, 74- arm-tie components, 751- anticlockwise suspension hooks, 752- right rotations Shackle hook in the middle of suspension hook, 76- underbeams, 77- arm-tie components, 78-, 8- steel girder segments, 9- fixed pulley groups.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
As shown in figure 1, a kind of use cable crane installs the method across girder in cable-stayed bridge, comprise the following steps:
A, the abutment 1 for two sides of constructing, two bridge piers 2 are set up between two abutments 1, two are set between two bridge piers 2 King-tower 5.
B, by the end bay girder steel pushing tow of two sides in place, contraposition two sides end bay constructed respectively, then install bridge floor it is pre- Making sheet, the laying fortune beam orbit on bridge floor prefabricated board;
C, by the use of two king-towers 5 as tower crane set cable crane cable 4, install cable crane, using two groups of main ropes, Every group of locked coil wire rope main rope of 6 Φ 50, main rope spacing 10.65m, away from bridge floor 72m, total Lifting Capacity 1500kN.
D, to stepping into capable construction between two end bays, in across steel girder segment 8 manufactured in factory, by edge-beam, horizontal stroke Beam, stringer are fabricated to loose mail and transport building site to.Whole section is assembled on the roadbed of bank, by steel girder segment 8 from two sides along girder steel The length direction of section 8 is transported before king-tower 5 along fortune beam orbit, can be transported steel girder segment 8 before king-tower 5 with beam car 3, from And conveniently and efficiently transport steel girder segment 8 in place.
As Fig. 2 to Fig. 5 jointly shown in, with cable crane lift by crane steel girder segment 8, here using three suspension centres revolution suspender it is vertical Pocket hangs steel girder segment 8, and three suspension centres revolution suspender includes underbeam 76 and upper beam 72, and the lower section at the middle part of underbeam 76 is provided with middle rotating lifting Hook 78, middle shackle hook 78 is connected by arm-tie component 74 with underbeam 76, the loading capacity of middle shackle hook 78 for 200t with On, it is sufficient to steel girder segment 8 of recruiting.The lower section of the left end of underbeam 76 is provided with anticlockwise suspension hook 751, and anticlockwise suspension hook 751 passes through arm-tie Component 74 is connected with underbeam 76, and the lower section of the right-hand member of underbeam 76 is provided with right rotation suspension hook 752, and right rotation suspension hook 752 passes through arm-tie group Part 74 is connected with underbeam 76, and arm-tie component includes two blocks of side plates being oppositely arranged, and the upper and lower part of two blocks of side plates is respectively equipped with One hanging axis, arm-tie component is constituted by middle shackle hook 78, anticlockwise suspension hook 751 and right rotation suspension hook by the structure 752 are connected to underbeam.A upper beam 72, the left and right ends point of underbeam 76 are respectively equipped with above the left and right ends of underbeam 76 The middle part that reversing arrangement is connected to upper beam 72 is not rotated by one first, the top at the two ends of each upper beam 72 is fixed respectively A fixed pulley group 9 is connected with, two fixed pulley groups 9 rotate reversing arrangement by one first respectively and are connected with upper beam 72, should Three suspension centres turn round suspender by steel wire hang in being allocated and transported on cable 4 to steel girder segment 8 and floorings, and the suspender passes through two Individual upper fine strain of millet lifts the two ends of lower fine strain of millet respectively, and suspension centre of the two ends provided with suspension floorings of underbeam 76, the centre of underbeam 76 set suspension The suspension centre of steel girder segment 8.Middle shackle hook 78, anticlockwise suspension hook 751 and right rotation suspension hook 752 have been respectively articulated with locking pin 10, locking pin 10 can prevent steel girder segment 8 or floorings from coming off.
Three design of lifting points can make the stress during allocation and transportation of underbeam 76 keep balance, it is to avoid turn on one's side.Three suspension centres are returned Turn the pocket in once allocation and transportation engineering of fishing tackle 7 and hang a steel girder segment 8 and two pieces of floorings, steel girder segment 8 hangs on middle rotation Suspension hook 78, two pieces of floorings hang on anticlockwise suspension hook 751 and right rotation suspension hook 752 respectively, and one can be transported by once allocating and transporting Individual girder steel stage and two pieces of floorings, improve operating efficiency.
Three suspension centres turn round suspender and transport steel girder segment 8 to above installation position along cable 4, manually draw girder steel by the rope made of hemp Section 8 is rotated by 90 °, and transfers steel girder segment 8, adjusts banjo fixing butt jointing, installs high-strength bolt, and cable crane loosens and unties suspension centre, Tensioning suspension cable 6 is installed, a steel girder segment 8 is completed and installs, so that the girder steel stage to be rotated to the side of installation from transporting direction To.
Floorings are transported to below the cable crane of king-tower 5 using common wheeled flat car, then using cable crane transporter bridge Panel, its main mounting process is similar with girder steel in addition to using ambilateral 135t rotation drop hangers are hung while installing 2 pieces.Shoulder pole Beam meets the alternating installation exercise needs of girder steel and floorings by special design, during need not assemble and disassemble suspender, can light people Work revolution institute hanging beam section, efficiency of construction is high.The special hoisting bar that steel girder erection is processed using design, the suspension bracket passes through essence and pricks screw-thread steel Pocket vertical with shoulder pole girder hangs the crossbeam of steel girder, does not produce horizontal force to steel girder.Suspension bracket is turned round by jack line and three suspension centres The middle 200t rotation drop hangers of suspender are connected.Cable crane handling girder steel is reached when pacifying near position, and manually the dilatory rope made of hemp makes Girder steel is rotated by 90 ° recovery to design attitude, and steel beam position is adjusted using chain block.
E, repeat step d, steel girder cantilever is assembled to be installed alternately with suspension cable and floorings.Two sides steel girder erection is also handed over For progress, until in maximum single-cantilever state, installation process, three-dimensional temporary spacing device is set at king-tower 5, it is ensured that steel girder cantilever Assembled safety.
F, closing construction is carried out to closure section, the floorings of closure section are installed, wet seam is carried out and pours, complete to close comprehensively Dragon;The presence of girder steel design longitudinal slope can cause girder steel top plate and bottom plate closure mouth width to have differences, influence girder steel closure, therefore Last two pairs of stay cable forces are adjusted so that the shape smooth-going of closure mouth line, after closure is finished, by cable force adjustment to theory Suo Li.
G, progress bridge floor and the construction of the accessory structure of king-tower 5, carry out load experiment, and full-bridge is tentative to be open to traffic.
The high bolt construction operation head room of girder steel collar extension is more than 100 meters, and construction risk is high, it is necessary to set up standard construction flat Platform, and the platform is torn open as the progress of installation is constantly pacified again, therefore, its construction hanging basket is made into assembled and portable knot Structure, vertical shift need to only remove inner side small part structure so that operation platform is removed, shifted, installation becomes standard, quick, it is ensured that Safety.
The equal change or modification change completed under technical spirit suggested by all present invention of described above, all should belong to It is the detailed description for being directed to the present invention preferably possible embodiments that the present invention, which is contained, but embodiment is not limited to the special of the present invention Sharp application range, lid the scope of the claims.

Claims (6)

1. a kind of three suspension centre turns round suspender, it is characterised in that:The steel girder segment, institute are hung using the vertical pocket of three suspension centres revolution suspender Stating three suspension centres revolution suspender includes underbeam and upper beam, and the lower section in the middle part of the underbeam is provided with middle shackle hook, it is described in the middle of revolve Turn suspension hook to be connected with underbeam by arm-tie component, the lower section of the underbeam left end is provided with anticlockwise suspension hook, the anticlockwise suspension hook It is connected by arm-tie component with underbeam, the lower section of the underbeam right-hand member is provided with right rotation suspension hook, and the right rotation suspension hook is by drawing Board component is connected with underbeam, and a upper beam, the left and right ends of the underbeam are respectively equipped with above the left and right ends of the underbeam The middle part of the upper beam is connected to by a rotation reversing arrangement respectively, the top at the two ends of each upper beam is set respectively There is a fixed pulley group, two fixed pulley groups are connected by a rotation reversing arrangement with the upper beam respectively.
2. three suspension centre as claimed in claim 1 turns round suspender, it is characterised in that a fixed pulley group is ranked cunning including 3 Wheel.
3. three suspension centre as claimed in claim 2 turns round suspender, it is characterised in that each described fixed pulley group be rotatablely installed in On one pulley base.
4. three suspension centre as claimed in claim 1 turns round suspender, it is characterised in that the arm-tie component is oppositely arranged including two pieces Side plate, described in two pieces side plate obtains upper and lower part and is respectively equipped with a hanging axis.
5. three suspension centre as claimed in claim 1 turns round suspender, it is characterised in that the loading capacity of the middle shackle hook is More than 200t.
6. three suspension centre as claimed in claim 1 turns round suspender, it is characterised in that the middle shackle hook, anticlockwise suspension hook And right rotation suspension hook has been respectively articulated with locking pin.
CN201710406410.XA 2017-06-02 2017-06-02 Three suspension centres turn round suspender Pending CN106976797A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710406410.XA CN106976797A (en) 2017-06-02 2017-06-02 Three suspension centres turn round suspender

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710406410.XA CN106976797A (en) 2017-06-02 2017-06-02 Three suspension centres turn round suspender

Publications (1)

Publication Number Publication Date
CN106976797A true CN106976797A (en) 2017-07-25

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110485301A (en) * 2019-08-01 2019-11-22 中铁十六局集团有限公司 A kind of Bridge Erector constructed by cross for beam sections
CN111591879A (en) * 2020-05-28 2020-08-28 南通振华重型装备制造有限公司 Novel lifeboat static load test method
CN113309523A (en) * 2021-06-04 2021-08-27 上海市基础工程集团有限公司 Large-diameter overall tool type template lifting system for construction of vertical shaft lining wall

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102050377A (en) * 2009-11-04 2011-05-11 烟台来福士海洋工程有限公司 Method for installing combined hoisting beam, combined hoist and oil production platform drilling equipment
CN105084219A (en) * 2014-05-21 2015-11-25 中国葛洲坝集团机械船舶有限公司 Rotary lifting appliance suitable for double-crane lifting
CN205275003U (en) * 2016-01-08 2016-06-01 招商局重工(江苏)有限公司 Multipurpose hanging beam
CN106744351A (en) * 2016-11-24 2017-05-31 中交路桥华南工程有限公司 The method that cable-stayed bridge main-beam lifting is carried out using cable crane

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102050377A (en) * 2009-11-04 2011-05-11 烟台来福士海洋工程有限公司 Method for installing combined hoisting beam, combined hoist and oil production platform drilling equipment
CN105084219A (en) * 2014-05-21 2015-11-25 中国葛洲坝集团机械船舶有限公司 Rotary lifting appliance suitable for double-crane lifting
CN205275003U (en) * 2016-01-08 2016-06-01 招商局重工(江苏)有限公司 Multipurpose hanging beam
CN106744351A (en) * 2016-11-24 2017-05-31 中交路桥华南工程有限公司 The method that cable-stayed bridge main-beam lifting is carried out using cable crane

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110485301A (en) * 2019-08-01 2019-11-22 中铁十六局集团有限公司 A kind of Bridge Erector constructed by cross for beam sections
CN111591879A (en) * 2020-05-28 2020-08-28 南通振华重型装备制造有限公司 Novel lifeboat static load test method
CN113309523A (en) * 2021-06-04 2021-08-27 上海市基础工程集团有限公司 Large-diameter overall tool type template lifting system for construction of vertical shaft lining wall

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Application publication date: 20170725

RJ01 Rejection of invention patent application after publication