CN209260583U - Suspension bridge wide cut concrete stiffening girder cable crane turns installation structure - Google Patents
Suspension bridge wide cut concrete stiffening girder cable crane turns installation structure Download PDFInfo
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- CN209260583U CN209260583U CN201822061008.5U CN201822061008U CN209260583U CN 209260583 U CN209260583 U CN 209260583U CN 201822061008 U CN201822061008 U CN 201822061008U CN 209260583 U CN209260583 U CN 209260583U
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Abstract
The utility model relates to engineering fields more particularly to suspension bridge wide cut concrete stiffening girder cable crane to turn installation structure.The flat car for transport of sills is put more energy into hoisting platform in beam section along bridge to transport, rotary hanger is installed below cable crane hoisting line, beam section to be installed of putting more energy into is connected below rotary hanger, cable crane is with beam vertical shift to installation site, it puts more energy into after 90 ° of the hanging flat turn of beam section rotary hanger drive lower section, promotion is mounted on hoist cable, and temporary connection is arranged between the beam section of putting more energy into after installation, and beam section is kept to stablize.The utility model has the advantages that suspension bridge wide cut concrete stiffening girder cable crane swivel construction method of installation is suitable for large-span suspension bridge wide cut concrete stiffening girder, wide cut steel stiffening beam installation.Construction environment is improved, improves production efficiency, and significantly reduce cost, construction safety is reliable, and construction quality is easy to guarantee, remarkable benefit works well.
Description
Technical field
The utility model relates to engineering fields more particularly to the swivel installation of suspension bridge wide cut concrete stiffening girder cable crane to apply
Work structure.
Background technique
In recent years, with some " overhead cable the changes bridge " project implementations in southwest, suspension bridge is most strong as span ability
Bridge type largely build, such aid-the-poor project project mostly uses cost performance more preferably concrete stiffening girder to save cost, and
Concrete stiffening girder widens thickening in order to improve the stress of hoist cable anchorage zone, at both ends, and broad width beam section of putting more energy into can not laterally lead to
The king-tower of portal frame construction is crossed, turns difficulty again in main span to beam section after transport along bridge, in addition single hoist cable concrete stiffening girder
Installation process stability is very poor.
Utility model content
The purpose of utility model: in order to provide a kind of better suspension bridge wide cut concrete stiffening girder cable crane swivel of effect
Installation structures and methods, specific purposes are shown in multiple substantial technological effects of specific implementation part.
In order to reach purpose as above, the utility model adopts the following technical scheme:
Suspension bridge wide cut concrete stiffening girder cable crane turns installation structure, which is characterized in that construction mechanism includes
Flat car for transport of sills, the flat car for transport of sills beam section that can will put more energy into are transported on hoisting platform, also comprising cable crane, the cable crane
It can advance on cable crane main rope, rotary hanger is installed below cable crane hoisting line, the rotary hanger can turn
It is dynamic, suspended structure is stretched out below rotary hanger, which can bind beam section of putting more energy into.
The further technical solution of the utility model is that the rotary hanger on girder steel platform, girder steel platform comprising pacifying
Equipped with rotary shaft and bearing, universal hinge is connected below rotary shaft；Universal hinge is stretched out, and is connected to steel by wirerope and hook
Hanger, steel hanger can lift beam section of putting more energy into；The girder steel platform avris is equipped with a hoist engine, the wirerope of the hoist engine
Winding on the rotary shaft, pulls wirerope that rotary shaft can be allowed to drive beam section unitary rotation of putting more energy into.
The further technical solution of the utility model is that the beam section of putting more energy into is installed piecewise, adjacent two sections of beam sections of putting more energy into
It can be connected by temporary connection；The hanging ring otic placode articulated connection of temporary connection and two beam section stretchings of putting more energy into.
Suspension bridge wide cut concrete stiffening girder cable crane turns construction method of installation, and the flat car for transport of sills 1 is along bridge to transport
Hoisting platform 4 in beam section of putting more energy into 2,5 hoisting line of cable crane lower section are installed rotary hanger 6, are connected below rotary hanger 6 to be installed
Beam section of putting more energy into 2, for cable crane 5 with beam vertical shift to installation site, rotary hanger 6 drives lower section to put more energy into 2 90 ° of hanging flat turn of beam section
Afterwards, it is promoted and is mounted on hoist cable 8, temporary connection 7 is set between the beam section of putting more energy into after installation, beam section is kept to stablize.
The further technical solution of the utility model is, the flat car for transport of sills 1 is put more energy into beam section 2 along bridge to transport, from gate-type
Pass through between two tower limbs of frame concrete king-tower 3, upper hoisting platform 4, hoisting platform is 21 meters long, 9 meters wide, is taken using Bailey beam
If upper berth work 20a transverse distribution beam, re-lays 2cm thick steel plate and form platform.
The further technical solution of the utility model is, the beam section 2 of putting more energy into, using the side of tightening cable crane hoisting line
Formula is mounted on corresponding hoist cable 8 after being promoted to design position.
The further technical solution of the utility model is, after the beam section 2 of putting more energy into is installed, puts more energy into upper one and sets between beam section
Temporary connection 7 is set, it is longitudinally connected, using hinged form, during the installation process, not only it had been able to maintain beam section and had stablized, but also be suitable for
Micro- rotation between beam section.
The further technical solution of the utility model is, includes the steps that in further detail below:
1. transporting stiff girder: the beam section that will put more energy into is along bridge on the flat car for transport of sills, and transport puts more energy into beam section from door from access bridge
Pass through between two tower limbs of formula frame concrete king-tower, and transport on hoisting platform, hoisting platform is 21 meters long, 9 meters wide, using shellfish
Lei Liang is set up, upper berth work 20a transverse distribution beam, is re-layed 2cm thick steel plate and is formed platform；
2. installing cable crane: installing cable crane at bridge location, configure a rotating lifting below cable crane hoisting line
Tool, mainly includes the universal hinge of a forging, and rotary hanger, can be by suitable or counterclockwise flat using electrified Automatic Control
Turn 90 °, the process for completing twist in the air；
3. beam section is lifted by crane: being connected on the hanging ring of beam section to be installed of putting more energy into, tightened using wirerope below rotary hanger
It restricts and is lifted by crane from platform again；
4. beam section vertical shift: starting rack winch, cable crane band beam vertical shift to installation site；
5. beam section turns: 90 ° of the hanging flat turn of beam section of putting more energy into below rotary hanger drive becomes beam section design point of putting more energy into
Direction across bridge；
6. beam section is promoted: tightening cable crane hoisting line is mounted on corresponding hang after promoting beam section to design position of putting more energy into
On cable bridge hoist cable；
7. beam section installation and interim connection: after beam section of putting more energy into installation, temporary connection is arranged between a upper beam section and longitudinally connects
It connects, using hinged form, during the installation process, had not only been able to maintain beam section and has stablized, but also be suitable between beam section caused by linear variation
Micro- rotation；
The further technical solution of the utility model is that described temporary connection one end is installed in beam section after being welded on,
The other end is hingedly formerly installed on the pre-buried otic placode for beam section of putting more energy into, and hinged end is connected after opening circular hole using M27 high-strength bolt.
The further technical solution of the utility model is, before step 7, after first beam section installation of putting more energy into, on main push-towing rope
4 Φ 36mm wirerope are hung, first is connected to and puts more energy into beam section, maintain the balance of ontology.
Using the utility model of technical solution as above, have the advantages that compared with the existing technology: the suspension bridge is wide
Width concrete stiffening girder cable crane turns construction method of installation and is suitable for large-span suspension bridge wide cut concrete stiffening girder, wide cut steel
Stiff girder installation.The utility model need to be put into big instead of installation was lifted by crane using barge water transport, after river surface positioning in the past
Type ship, construction shipping yards, operation at sea seriously restricted by strong wind, water level, and operating environment is poor, effect is low, at high cost etc., is changed
Construction environment has been apt to it, has improved production efficiency, and significantly reduce cost, construction safety is reliable, and construction quality is easy to protect
Card, remarkable benefit work well.
Detailed description of the invention
In order to further illustrate the utility model, it is further illustrated with reference to the accompanying drawing:
Fig. 1 is the structural schematic diagram of the pre-assembled part of the utility model；
Fig. 2 is schematic diagram after the beam section of putting more energy into of the utility model construction method turns；
Fig. 3 be the utility model construction method put more energy into beam section installation structural schematic diagram；
Fig. 4 is that the utility model construction method is put more energy into the interim connection schematic diagram of beam section；
Fig. 5 is the concrete structure diagram of rotary hanger；Wherein: 1 flat car for transport of sills；2 put more energy into beam section；3 suspension bridge king-towers；4 liftings
Platform；5 cable cranes；6 rotary hangers；7 temporary connections；8 hoist cables；9 cable crane main ropes；10 beam body transporting directions；61. steel
Hanger；62. hook；63. girder steel platform；64. rotary shaft and bearing；65. steel wire rope of windlass；66. power hoist engine；67.
Universal hinge.
Specific embodiment
With reference to the accompanying drawings and detailed description, the utility model is furtherd elucidate, it should be understood that following specific embodiment parties
Formula is merely to illustrate the utility model rather than limitation the scope of the utility model.It needs in the description of the present invention,
Illustrate, term " center ", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outside", "top", "bottom" etc. refer to
The orientation or positional relationship shown be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and
Simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construction
And operation, therefore should not be understood as limiting the present invention.Furthermore unless specifically defined or limited otherwise, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
This patent provides a variety of concomitant regimens, in place of different expression, belong to modified scheme based on basic scheme or
It is parallel type scheme.Every kind of scheme has the unique features of oneself.
Scheme one:
Suspension bridge wide cut concrete stiffening girder cable crane turns construction method of installation, which is characterized in that includes flat car for transport of sills
1, hoisting platform 4, cable crane 5, rotary hanger 6 and temporary connection 7, the flat car for transport of sills 1 are put more energy into beam section 2 along bridge to transport
Upper hoisting platform 4,5 hoisting line of cable crane lower section install rotary hanger 6, connect beam section to be installed of putting more energy into below rotary hanger 6
2, cable crane 5 is put more energy into after 2 90 ° of hanging flat turn of beam section with beam vertical shift to installation site, the drive of rotary hanger 6 lower section, promotes peace
On hoist cable 8, temporary connection 7 is set between the beam section of putting more energy into after installation, beam section is kept to stablize.
The flat car for transport of sills 1 is put more energy into beam section 2 along bridge to transport, is passed through between two tower limbs of portal frame concrete king-tower 3,
Upper hoisting platform 4, hoisting platform is 21 meters long, 9 meters wide, is set up using Bailey beam, upper berth work 20a transverse distribution beam re-lays 2cm
Thick steel plate forms platform.
One rotary hanger 6 is installed, rotary hanger Automatic Control can be by suitable below the hoisting line of the cable crane 5
Or 90 ° of counter clockwise direction flat turn, the process for completing twist in the air.
Beam section 2 to be installed of putting more energy into is connected below the rotary hanger 6, after the lifting of hoisting platform 4, cable crane 5 is with beam
Vertical shift is to installation site.
The rotary hanger 6 drives lower section to put more energy into 2 90 ° of hanging flat turn of beam section, at the direction across bridge for beam section design point of putting more energy into.
The beam section 2 of putting more energy into is mounted on corresponding by the way of tightening cable crane hoisting line after being promoted to design position
Hoist cable 8 on.
After the beam section 2 of putting more energy into is installed, setting temporary connection 7 is longitudinally connected between a upper beam section, using hinged
Form had not only been able to maintain beam section and had stablized, but also the micro- rotation being suitable between beam section during the installation process.
Scheme two:
Suspension bridge wide cut concrete stiffening girder cable crane turns construction method of installation, which comprises the following steps:
1. transporting stiff girder: the beam section that will put more energy into is along bridge on the flat car for transport of sills, and transport puts more energy into beam section from door from access bridge
Pass through between two tower limbs of formula frame concrete king-tower, and transport on hoisting platform, hoisting platform is 21 meters long, 9 meters wide, using shellfish
Lei Liang is set up, upper berth work 20a transverse distribution beam, is re-layed 2cm thick steel plate and is formed platform.
2. installing cable crane: installing cable crane at bridge location, configure a rotating lifting below cable crane hoisting line
Tool, mainly includes the universal hinge of a forging, and rotary hanger, can be by suitable or counterclockwise flat using electrified Automatic Control
Turn 90 °, the process for completing twist in the air.
3. beam section is lifted by crane: being connected on the hanging ring of beam section to be installed of putting more energy into, tightened using wirerope below rotary hanger
It restricts and is lifted by crane from platform again.
4. beam section vertical shift: starting rack winch, cable crane band beam vertical shift to installation site.
5. beam section turns: 90 ° of the hanging flat turn of beam section of putting more energy into below rotary hanger drive becomes beam section design point of putting more energy into
Direction across bridge.
6. beam section is promoted: tightening cable crane hoisting line is mounted on corresponding hang after promoting beam section to design position of putting more energy into
On cable bridge hoist cable.
7. beam section installation and interim connection: after beam section of putting more energy into installation, temporary connection is arranged between a upper beam section and longitudinally connects
It connects, using hinged form, during the installation process, had not only been able to maintain beam section and has stablized, but also be suitable between beam section caused by linear variation
Micro- rotation.
8. since span centre to two king-tower directions paragraph by paragraph, be symmetrically installed beam section of putting more energy into, two sides are uneven during the installation process
Beam section must not exceed 1, close up until completing full-bridge.
The further technical solution of the utility model is that the temporary connection is using bis- [processing of 28a fashioned iron, length 2
Rice, one end are installed in beam section after being welded on, and the other end hingedly on the pre-buried otic placode of first mounting rail section, adopt after opening circular hole by hinged end
It is connected with M27 high-strength bolt.
The further technical solution of the utility model is, before step 7, after span centre first beam section installation of putting more energy into, also needs
4 Φ 36mm wirerope are hung on main push-towing rope, first is connected to and puts more energy into beam section, to maintain the balance of ontology.
The rotary hanger (6) includes girder steel platform, rotary shaft, universal hinge, rotary power hoist engine, hook, rotation
Axis passes through girder steel Platform center, and winding wire ropes in the rotary shaft of upper end starts 3t power hoist engine, makes to revolve by folding and unfolding wirerope
Shaft realizes rotation, the universal hinge of lower end connection, and hook is connected on the steel hanger of lower section, and steel hanger is added by more wirerope bindings
Strength beam section.
In a creative way, above each effect is individually present the utility model, moreover it is possible to complete above-mentioned construction knot with a nested structure
The combination of fruit.
This suspension bridge wide cut concrete stiffening girder cable crane turn construction method of installation simplify process, install, operate it is convenient,
It removes and is easy, work efficiency is high, and construction quality is easily controllable, and by production test, suspension bridge wide cut used by the utility model is mixed
Solidifying soil stiff girder cable crane swivel construction method of installation and traditional harbour go out beam, barge water transport installation indices comparing result
It is as follows:
Remarks: saving the duration 28 days, daily 20 people, 560 work day, 300 yuan of per work day totally, amounts to 560 × 300=168000
Member.
Generally speaking: the utility model relates to engineering field more particularly to a kind of suspension bridge wide cut concrete stiffening girder cables
Rope hangs swivel construction method of installation.It is described comprising flat car for transport of sills, hoisting platform, cable crane, rotary hanger and temporary connection
Flat car for transport of sills transports hoisting platform in beam section of putting more energy into, and rotary hanger is arranged below cable crane hoisting line, connects below rotary hanger
Beam section of putting more energy into, cable crane band beam vertical shift to installation site are connect, rotary hanger drive lower section is put more energy into after 90 ° of the hanging flat turn of beam section,
Installation is promoted, temporary connection is set between the beam section of putting more energy into after installation, beam section is kept to stablize.The suspension bridge wide cut concrete stiffening
Beam cable crane turns construction method of installation and is used for stiffening girder of suspension bridge installation.It is wide that the utility model solves suspension bridge at one stroke
Width prestressed concrete stiffening beam can not be laterally across the king-tower of portal frame construction, beam section main span swivel is difficult, single hoist cable
The problem of concrete stiffening girder installation process stability difference, instead of in the past using barge water transport, the lifting peace after river surface positioning
Dress need to put into large ship, construction shipping yards, and operation at sea is seriously restricted by strong wind, water level, operating environment is poor, effect is low,
It is at high cost etc., construction environment is improved, improves production efficiency, and significantly reduce cost, construction safety is reliable, and engineering
Quality is easy to guarantee, remarkable benefit works well.
By comparing, hence it is evident that it can be seen that, suspension bridge wide cut concrete stiffening girder cable crane swivel described in the utility model
Construction method of installation, is superior to comparison scheme significantly in production efficiency, construction time, cost, and the Pavement linear of Cheng Qiaohou,
Main cable alignment, strand stress are all satisfied the requirement of specification index.
Basic principles, main features, and advantages of the present invention has been shown and described above.Ability
The technical staff in domain should be recognized that the present utility model is not limited to the above embodiments, described in the above embodiment and specification
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model can also
There are various changes and modifications, these changes and improvements are both fallen in claimed range.
Claims (2)
1. suspension bridge wide cut concrete stiffening girder cable crane turns installation structure, which is characterized in that construction mechanism includes fortune
Liangping vehicle (1), flat car for transport of sills (1) beam section that can will put more energy into is transported on hoisting platform (4), also comprising cable crane (5), described
Cable crane (5) can advance on cable crane main rope (9), rotary hanger is installed below cable crane (5) hoisting line
(6), the rotary hanger can rotate, and suspended structure is stretched out below rotary hanger, which can bind stiff girder
Section.
2. suspension bridge wide cut concrete stiffening girder cable crane as described in claim 1 turns installation structure, feature exists
Include girder steel platform (63), rotary shaft and bearing (64) be installed on girder steel platform (63) in, the rotary hanger (6),
Universal hinge (67) is connected below rotary shaft；Universal hinge (67) is stretched out, and is connected to steel hanger by wirerope and hook (62)
(61), steel hanger can lift beam section of putting more energy into；Described girder steel platform (63) avris is equipped with a hoist engine, the steel of the hoist engine
Cord is wound on the rotary shaft, pulls wirerope that rotary shaft can be allowed to drive beam section unitary rotation of putting more energy into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822061008.5U CN209260583U (en) | 2018-12-10 | 2018-12-10 | Suspension bridge wide cut concrete stiffening girder cable crane turns installation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822061008.5U CN209260583U (en) | 2018-12-10 | 2018-12-10 | Suspension bridge wide cut concrete stiffening girder cable crane turns installation structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109440660A (en) * | 2018-12-10 | 2019-03-08 | 中交四公局第五工程有限公司 | Suspension bridge wide cut concrete stiffening girder cable crane turns installation structures and methods |
| CN111636291A (en) * | 2020-05-22 | 2020-09-08 | 中铁上海工程局集团有限公司 | Recyclable door type steel cover beam pre-embedding device |
-
2018
- 2018-12-10 CN CN201822061008.5U patent/CN209260583U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109440660A (en) * | 2018-12-10 | 2019-03-08 | 中交四公局第五工程有限公司 | Suspension bridge wide cut concrete stiffening girder cable crane turns installation structures and methods |
| CN111636291A (en) * | 2020-05-22 | 2020-09-08 | 中铁上海工程局集团有限公司 | Recyclable door type steel cover beam pre-embedding device |
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