CN109706843A - Moving device is swung in a kind of lifting of suspension bridge steel truss girder - Google Patents
Moving device is swung in a kind of lifting of suspension bridge steel truss girder Download PDFInfo
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- CN109706843A CN109706843A CN201910065307.2A CN201910065307A CN109706843A CN 109706843 A CN109706843 A CN 109706843A CN 201910065307 A CN201910065307 A CN 201910065307A CN 109706843 A CN109706843 A CN 109706843A
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- rope
- suspender
- steel truss
- truss girder
- connect
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 48
- 239000010959 steel Substances 0.000 title claims abstract description 48
- 239000000725 suspension Substances 0.000 title claims abstract description 16
- 238000004873 anchoring Methods 0.000 claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 230000000630 rising effect Effects 0.000 claims 1
- 230000005484 gravity Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The invention discloses a kind of liftings of suspension bridge steel truss girder, swing moving device, including the lifting hoist engine being mounted at the top of Sarasota, it is mounted on swinging on river levee and hangs hoist engine, one end connect the hoist cable that the other end is fixed on main push-towing rope by anchoringwire folder with lifting hoist engine, the upper pulley of hoist cable is fixed on main push-towing rope and hung previously by main rope folder positioned at anchoring cord clip, the lower block being suspended on hoist cable, the suspender being suspended on lower block, connect the adjusting suspender rope and fixed length suspender rope of suspender and steel truss girder, one end connect with lower block and suspender the other end with swing hang that hoist engine connect swing to hang and pull rope.The advantages of present invention economical good, high reliablity.
Description
Technical field
The invention belongs to suspension bridge steel truss girder stringers, and in particular to moving device is swung in a kind of lifting of suspension bridge steel truss girder.
Background technique
Steel truss girder is hung on trestle there are many device now.Common wirerope straddles on main rope folder, plays upper pulley,
This mode upper pulley is easy by drawing deviation, is biased to, and is influenced by cord clip rope groove, and swinging drift angle when hanging should not be too large;Suspender
Frequently with the shoulder pole girder of adjustable hoisting point position, this beam is generally all very heavy because to bear very big moment of flexure;Also useful steel
Twisted wire lifting, speed are slower.
Summary of the invention
The purpose of the present invention is the lifting of the suspension bridge steel truss girder of good economy performance, high reliablity, swing moving device.
Realize the object of the invention the technical solution adopted is as follows:
Moving device is swung in suspension bridge steel truss girder provided by the invention lifting, including being mounted on lifting hoist engine at the top of Sarasota, installation
Swinging on river levee hangs hoist engine, one end connect the other end with lifting hoist engine and presss from both sides the lifting being fixed on main push-towing rope by anchoringwire
Rope is fixed on main push-towing rope and has hung the upper pulley of hoist cable previously by main rope folder positioned at anchoring cord clip, has been suspended on hoist cable
Lower block, be suspended on lower block suspender, connection suspender and the adjusting suspender rope and fixed length suspender rope of steel truss girder, one end with
Lower block and the suspender connection other end with swing hang that hoist engine connect swing to hang and pull rope.
The suspender connect to form triangle tension hanging mode with steel truss girder by adjusting suspender rope and fixed length suspender rope.
The adjusting suspender rope is connect by regulating device with steel truss girder.
Secondary hinge plate that the suspender is flexibly connected by block by suspender pin shaft, main hinge board group are at described hinge plate, main hinge plate
On be equipped with shield rope sheave and hang the adjusting suspender rope and fixed length suspender rope.
The first end of the adjusting suspender rope, the both ends of fixed length suspender rope are connect by suspender cable anchorage with steel truss girder, are adjusted
The other end of section suspender rope is connect by the regulating device with steel truss girder.
The regulating device is by being respectively equipped with the upper connector for protecting rope sheave, lower connector and being wound on upper connector, lower connection
In device protect rope sheave on adjusting Suo Zucheng, the upper connector, lower connector respectively with adjust suspender rope second end and steel truss
Beam connection.
Beneficial effect
Of the invention suspension bridge steel truss girder lifting swings moving device and drives hoist cable and upper lower block by operation lifting hoist engine
The height of the supreme trestle of fast lifting steel truss girder, because upper pulley connects with main rope clamp pin, the torsion of upper pulley horizontal plane is by about
Beam, the phenomenon that dangerous torsion will not be generated, and big drift angle can be accomplished by swinging when hanging;It swings shifting and pulls the pin shaft that power acts on suspender
Middle part can guarantee that all power is all directed at node, will not generate additional deflection moment of flexure, torque;Suspender is by 2 pieces of hinge board groups of primary and secondary
At angle permissible range is big, does not need precise manipulation, adjusts suspender rope and fixed length suspender rope utilizes the anchor of existing permanent hoist cable
The pin ear pin joint of tool and steel truss girder, securely and reliably, all primary structure members are all no Moment by pulling force, stock utilization pole
Height, thus whole device is light-weighted;The adjusting rope of regulating device is 1 smaller wirerope, and regulating device is weighed with separate
The suspender rope of the heart connects, and adjusting Suo Shouli drops to very little and is easily adjusted length, and suspender alignment center of gravity can easily accomplish.Cord clip
Using ready-made cord clip die cast, many expenses are also saved.Suspender, connector include shield rope sheave, and material uses slab, strictly
It manufactures, had not only saved but also safe according to wirerope related specifications.All components are reusable in other Large-scale Hoistings.
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of apparatus of the present invention.
Fig. 2 is the working state schematic representation of apparatus of the present invention.
Fig. 3 to Fig. 5 is the enlarged drawing in Fig. 2 at A, B, C respectively.
Description of symbols:
1, hoist engine, 2, hoist cable, 3, upper pulley, 4, main rope folder, 5, anchoring cord clip, 6, lower block, 7, suspender, 8, adjusting are lifted by crane
Suspender rope, 9, fixed length suspender rope, 10, regulating device, 11, swing to hang and pull rope, 12, swing and hang hoist engine, 13, anchoring pin shaft, 14, hang
Have pin shaft, 15, hoist cable anchorage, 16, upper connector, 17, lower connector, 18, adjusting rope, 19, main push-towing rope, 20, steel truss girder, 21, stack
Bridge, 22, upper pulley pin shaft, 701, secondary hinge plate, 702, main hinge plate, 703,1601,1701, shield rope sheave.
Specific embodiment
Suspension bridge steel truss girder provided by the invention lifts by crane, swings moving device, as shown in Figures 1 to 5, comprising: be mounted on Sarasota
The lifting hoist engine 1 at top is mounted on that swinging on river levee hangs hoist engine 12, one end connect the other end and pass through with lifting hoist engine 1
Anchoring cord clip 5 be fixed on main push-towing rope 19 rise hoist cable 2, positioned at anchoring cord clip 5 previously by main rope folder 4 be fixed on main push-towing rope 19 and
The upper pulley 3 for having hung hoist cable 2, the lower block 6 being suspended on hoist cable 2, the suspender 7 being suspended on lower block 6, connection suspender
7 and steel truss girder 20 adjusting suspender rope 8 and fixed length suspender rope 9, one end and lower block 6 and suspender 7 the connection other end and swing and hang volume
Raise swinging to hang and pulling rope 11 for the connection of machine 12;The adjusting suspender rope 8 is connect by regulating device 10 with steel truss girder 20.
Steel truss girder 20 is hung to the position higher than 21 top surface of trestle by operation lifting hoist engine 1, and operation, which is swung, hangs the general of hoist engine 11
Steel truss girder 20 is pulled to 21 top of trestle, and steel truss girder 20 is placed on trestle 21 by operation lifting hoist engine 1, recycles preceding 3 step
Until all steel truss girders 20 are all transferred on trestle 21.
In the apparatus of the present, specifically, the upper pulley 3 passes through upper pulley pin shaft 22 hingedly with main rope folder 4, main rope
Folder 4 is clamped on main push-towing rope 19, and pin shaft can constrain coaster 3 because movable end and the unequal production of fixing end power of hoist cable 2 are played in two sides
Raw horizontal torsion;Simultaneously because upper pulley pin shaft 22 and 3 pulley wheel centre distance of upper pulley are smaller, the river side that hoist cable 2 generates is played
The amplitude that pulling force causes upper pulley 3 to swing can be sufficiently small, swings smaller safer.
In the apparatus of the present, specifically, described 2 one end of hoist cable is fixed on the anchoring pin shaft of anchoring 5 lower end of cord clip
13 one end, anchoring cord clip 5 are clamped on main push-towing rope 19, are played the one end of the anchored end connection upper pulley 3 of hoist cable 2 on the inside of bridge, are risen
The one end of the movable end connection upper pulley 3 of hoist cable 2 on the outside of bridge, so energy negative function is in most of horizontal on upper pulley 3
Moment of flexure, meanwhile, main push-towing rope 19 can also be avoided by playing hoist cable 2, be connected in the lifting hoist engine 1 at the top of Sarasota.
In the apparatus of the present, specifically, the lower block 6 is connect with suspender 7 by suspender pin shaft 14, and described swing is hung
The one end for pulling rope 11 is connected to the intermediate position of suspender pin shaft 14, and all power all intersects at this node of suspender pin shaft 14
On, during swinging shifting, it is constant to adjust suspender rope 8, fixed length suspender 9 stress of rope, therefore steel truss girder 20 is stable during swinging shifting.
In the apparatus of the present, specifically, suspender 7 is connected by adjusting suspender rope 8 and fixed length suspender rope 9 and steel truss girder 20
It connects to form triangle tension hanging mode, wherein adjusting one end of suspender rope 8, the both ends of fixed length suspender rope 9 pass through suspender rope anchor
Tool 15 is connect with steel truss girder 20, and the other end for adjusting suspender rope 8 is connect by regulating device 10 with steel truss girder 20.
Suspender cable anchorage 15 is the anchorage of permanent hoist cable, does not need additional designs, also most can guarantee the pin ear of steel truss girder 20
It is injury-free.
In the apparatus of the present, specifically, the regulating device 10 protects the upper company of rope sheave 1601,1701 by being respectively equipped with
It connects device 16, lower connector 17 and is wound on connector 16, protects 18 groups of adjusting rope on rope sheave 1601,1701 in lower connector 17
At upper connector 16, lower connector 17 are connect with the other end and steel truss girder 20 for adjusting suspender rope 8 respectively.Rope 18 is adjusted relatively to adjust
It is thin many to save suspender rope 8, stress only adjusts the 1/4 of suspender rope 8, and adjusts suspender rope 8 relative to fixed length suspender rope 9 far from steel truss
Beam center of gravity, suffered power adjust 18 two ends of rope also much smaller than fixed length suspender rope 9, so can be changed easily with the power of very little
Relative position changes upper connector 16 at a distance from lower connector 17, to reach the bridge lengthwise position of adjustment suspender 7, makes
Suspender 7 is placed in the surface of the center of gravity of steel truss girder 20, adjusting suspender rope 8, the fixed length suspender rope 9 of suspender 7 and connection steel truss girder 20
Form triangle tension hanging mode.Such mode is most stable, most efficient mechanical mode, and it is logical by 2 pieces that this is attributed to suspender 7
Cross the secondary hinge plate 701 of the flexible connection of suspender pin shaft 14, the structure that can be adjusted the angle on a large scale that main hinge plate 702 forms.On suspender 7
Secondary hinge plate 701, be equipped with the shield suspension of rope sheave 703 on main hinge plate 702 and adjust suspender rope 8, fixed length suspender rope 9.
Claims (6)
1. moving device is swung in a kind of lifting of suspension bridge steel truss girder, it is characterized in that including being mounted on lifting hoist engine at the top of Sarasota, peace
Swinging on river levee hangs hoist engine, one end connect the other end with lifting hoist engine and is fixed on rising on main push-towing rope by anchoringwire folder
Hoist cable is fixed on main push-towing rope and has hung the upper pulley of hoist cable previously by main rope folder positioned at anchoring cord clip, has been suspended on hoist cable
On lower block, be suspended on lower block suspender, connect suspender and steel truss girder adjusting suspender rope and fixed length suspender rope, one end
Connect with lower block and suspender the other end with swing hang that hoist engine connect swing to hang and pull rope.
2. moving device is swung in suspension bridge steel truss girder lifting according to claim 1, it is characterized in that the suspender passes through the tune
Section suspender rope and fixed length suspender rope connect to form triangle tension hanging mode with steel truss girder.
3. moving device is swung in suspension bridge steel truss girder lifting according to claim 2, it is characterized in that the adjusting suspender rope passes through
Regulating device is connect with steel truss girder.
4. moving device is swung in suspension bridge steel truss girder lifting according to claim 3, it is characterized in that the suspender is by passing through suspender
Secondary hinge plate that pin shaft is flexibly connected, main hinge board group on the described time hinge plate, main hinge plate at being equipped with to protect rope sheave and hang described adjust and hang
Have rope and fixed length suspender rope.
5. moving device is swung in suspension bridge steel truss girder according to claim 4 lifting, it is characterized in that described adjust the of suspender rope
One end, fixed length suspender rope both ends connect with steel truss girder by suspender cable anchorage, the other end of adjusting suspender rope passes through the tune
Regulating device is connect with steel truss girder.
6. moving device is swung in suspension bridge steel truss girder lifting according to claim 5, it is characterized in that the regulating device is by respectively
Equipped with the shield upper connector of rope sheave, lower connector and it is wound on upper connector, protects the adjusting Suo Zucheng on rope sheave, institute in lower connector
Connector, lower connector is stated to connect with the second end and steel truss girder for adjusting suspender rope respectively.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910065307.2A CN109706843A (en) | 2019-01-23 | 2019-01-23 | Moving device is swung in a kind of lifting of suspension bridge steel truss girder |
Applications Claiming Priority (1)
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CN201910065307.2A CN109706843A (en) | 2019-01-23 | 2019-01-23 | Moving device is swung in a kind of lifting of suspension bridge steel truss girder |
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CN109706843A true CN109706843A (en) | 2019-05-03 |
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CN201910065307.2A Pending CN109706843A (en) | 2019-01-23 | 2019-01-23 | Moving device is swung in a kind of lifting of suspension bridge steel truss girder |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114164758A (en) * | 2021-11-16 | 2022-03-11 | 中铁广州工程局集团有限公司 | Construction method for swinging and moving tunnel anchor cable saddle under space-limited condition |
Citations (5)
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KR20020082713A (en) * | 2001-04-25 | 2002-10-31 | 현대자동차주식회사 | Balanceable wire sling |
CN201785123U (en) * | 2010-09-16 | 2011-04-06 | 南车戚墅堰机车车辆工艺研究所有限公司 | Turn-over hanger |
CN102838037A (en) * | 2011-06-23 | 2012-12-26 | 三一电气有限责任公司 | Turnover hoisting method for wind turbine main shaft, and apparatus thereof |
CN106049293A (en) * | 2016-07-29 | 2016-10-26 | 四川天元机械工程股份有限公司 | Method for installing stiffening beam of suspension bridge over navigable river and swing shift system used in method |
CN107119567A (en) * | 2017-04-28 | 2017-09-01 | 武汉智汇高桥科技股份有限公司 | Suspension bridge steel box-girder deck erection gantry and spreading hoist cable swing shifting construction method |
-
2019
- 2019-01-23 CN CN201910065307.2A patent/CN109706843A/en active Pending
Patent Citations (5)
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---|---|---|---|---|
KR20020082713A (en) * | 2001-04-25 | 2002-10-31 | 현대자동차주식회사 | Balanceable wire sling |
CN201785123U (en) * | 2010-09-16 | 2011-04-06 | 南车戚墅堰机车车辆工艺研究所有限公司 | Turn-over hanger |
CN102838037A (en) * | 2011-06-23 | 2012-12-26 | 三一电气有限责任公司 | Turnover hoisting method for wind turbine main shaft, and apparatus thereof |
CN106049293A (en) * | 2016-07-29 | 2016-10-26 | 四川天元机械工程股份有限公司 | Method for installing stiffening beam of suspension bridge over navigable river and swing shift system used in method |
CN107119567A (en) * | 2017-04-28 | 2017-09-01 | 武汉智汇高桥科技股份有限公司 | Suspension bridge steel box-girder deck erection gantry and spreading hoist cable swing shifting construction method |
Non-Patent Citations (1)
Title |
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赵宇清: "杭瑞洞庭大桥钢桁梁架设施工技术要点分析", 《中外建筑》, no. 7, pages 264 - 268 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114164758A (en) * | 2021-11-16 | 2022-03-11 | 中铁广州工程局集团有限公司 | Construction method for swinging and moving tunnel anchor cable saddle under space-limited condition |
CN114164758B (en) * | 2021-11-16 | 2024-03-12 | 中铁广州工程局集团有限公司 | Tunnel anchor cable saddle-moving installation construction method under space-limited condition |
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