CN207713242U - Suspender equipment suitable for the asynchronous lifting construction of steel-concrete composite beam cable-stayed bridge girder - Google Patents
Suspender equipment suitable for the asynchronous lifting construction of steel-concrete composite beam cable-stayed bridge girder Download PDFInfo
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- CN207713242U CN207713242U CN201721427664.1U CN201721427664U CN207713242U CN 207713242 U CN207713242 U CN 207713242U CN 201721427664 U CN201721427664 U CN 201721427664U CN 207713242 U CN207713242 U CN 207713242U
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Abstract
The utility model provides a kind of suspender equipment suitable for the asynchronous lifting construction of steel-concrete composite beam cable-stayed bridge girder, including girder, rotatable main suspension hook, two rotatable secondary suspension hooks and two lifting lugs, rotatable main suspension hook is set to girder central bottom, rotatable pair suspension hook is respectively arranged on two side bottom of girder, the girder of the girder secondary suspension hook section rotatable higher than both sides of rotatable main suspension hook section；The girder upper end both sides are respectively equipped with a lifting lug.Suspender, which is applied, is based on cable crane, and skyborne horizontal swing after drawing achievable steel girder unit and the lifting of concrete bridge deck plate unit is pulled by external force.Solves the problems, such as the construction organization of steel-concrete composite beam cable-stayed bridge steel girder and concrete bridge deck plate unit with the asynchronous lifting installation of tackling system.Steel-concrete composite beam cable-stayed bridge superstructure installing engineering working procedure is simplified, lifting work efficiency is substantially increased, shortens the lifting duration；Construction safety is efficient, is worth the further genralrlization in from now on similar to the asynchronous lifting construction of steel-concrete composite beam cable-stayed bridge girder.
Description
Technical field
The utility model is related to steel-concrete composite beam cable-stayed bridge steel girder units and concrete bridge deck plate unit lifting installation neck
Domain, more particularly to a kind of suspender equipment suitable for the asynchronous lifting construction of steel-concrete composite beam cable-stayed bridge girder.
Background technology
With being constantly progressive for science and technology, the development that bridge construction is advanced by leaps and bounds, especially into 21
Since century, bridge construction cause flourishes, and the bridge across inland river, Grand Canyon is too numerous to enumerate.In Medium Span bridge knot
Structure design in, steel-concrete composite beam cable-stayed bridge with its superior structure performance and cost performance, in recent years apply it is more, but for
Under special bridge location geographic and geomorphic conditions, it is only capable of under the construction operating mode that single bank completes overlapping beam element lifting installation, how adopts
The asynchronous lifting installation that overlapping joist steel girder unit and concrete bridge deck plate unit are realized with homologous ray, is to need to attack all the time
Gram construction organization problem.
At sea, under the navigation conditions such as rivers, the construction of steel-concrete composite beam cable-stayed bridge erection of main beam can be used erection crane and realize beam
The integral hoisting of unit；When road and site planning satisfy the requirements, bridge floor full circle swinging loop wheel machine can also be used and realize master
The bridge location of beam bar element, which dissipates, spells construction.These methods have respective advantage and disadvantage, also have been adapted for different construction environments, but right
In steel-concrete composite beam cable-stayed bridge steel girder unit under the conditions of special geomorphology or non-navigation only assembled, lifting peace is carried out in single bank
It fills, and the asynchronous lifting operation of concrete bridge deck plate unit need to be completed while steel girder unit is installed, using cable crane
Can be achieved across the river vertical equity transport of beam element and concrete bridge deck plate unit, but in view of installed the interference of suspension cable with
And the construction period of steel girder and concrete bridge deck plate unit asynchronous lifting installation question, if cable crane hoisting rope is set to oblique
On the outside of Cable face, steel girder unit splicing is completed at tower front-axle beam bottom, rising for steel girder unit can be realized using Hoisting with Cableway System
It hangs, transport and installs, but loop wheel machine system cannot achieve the lifting installation of bridge floor plate unit, need to respectively be put on the bridge floor of two sides a set of
Floorings install equipment；If cable crane hoisting rope is set on the inside of inclined cable face, floorings list can be realized using cable crane
The lifting installation of member, but steel girder unit is after the completion of bridge floor assembly, during main span phloem-xylem transport will with it is mounted tiltedly
Drag-line generates interference, cannot achieve the horizontal transport of steel girder unit.
Utility model content
In order to overcome the problems, such as that the existing horizontal transport that can not achieve steel girder unit, the utility model utility model provide
A kind of suspender equipment suitable for the asynchronous lifting construction of steel-concrete composite beam cable-stayed bridge girder, suspender equipment provided by the utility model can be complete
At the lifting by crane of steel girder unit and concrete bridge deck plate unit, aerial horizontal swing and it is accurately positioned installation, by cable crane
Suspender equipment is added under machine, is simplified composite beam lifting construction tissue, is substantially increased construction efficiency, shorten the duration；Suspender
Device structure is succinct, safe and reliable to operation, has maximumlly saved construction cost, creates good economic benefit.This practicality
The asynchronous lifting installation of homologous ray of novel achievable steel girder unit and concrete bridge deck plate unit, while steel can be completed
Girder unit and the skyborne Horizontal Swing Construction operation of concrete bridge deck plate unit.
The technical solution adopted in the utility model is：
Suitable for the suspender equipment of the asynchronous lifting construction of steel-concrete composite beam cable-stayed bridge girder, including girder, rotatable main suspension hook, two
A rotatable secondary suspension hook and two lifting lugs, rotatable main suspension hook are set to girder central bottom, and rotatable pair suspension hook is respectively arranged on master
Two side bottom of beam, the girder of the girder secondary suspension hook section rotatable higher than both sides of rotatable main suspension hook section；On the girder
End both sides are respectively equipped with a lifting lug.
The girder uses the welding box-shaped variable section structure form of Q345 material steel plates, and girder includes girder web plate, master
Back plate and kingpost baseplate, thickness are 25mm；The cross-bridges of girder top plate and kingpost baseplate is parallel to each other upwardly through two pieces
Girder web plate connect into case shape, girder wide 60cm has additional horizontal direction and vertical girder stiffener in girder.
The rotatable main suspension hook uses 125t grades of rotatable staight shank double hook structure types, and rotatable main suspension hook is by hanging
Band plate is anchored at across kingpost baseplate on girder top plate.
The rotatable secondary suspension hook uses 32t grades of rotatable staight shank double hook forms, rotatable pair suspension hook to pass through suspender belt plate
Across kingpost baseplate is welded on two vertical girder stiffeners, rotatable pair suspension hook direction across bridge spacing presses floorings cross-bridges
To clipping room away from setting.
The lifting lug uses Q345 materials, the steel plate of thick 30mm to weld otic placode structure type.
The lifting lug both sides are welded with lifting lug stiffener.
The lifting lug is located at the hanger position in the case where girder top plate both sides correspond to cable crane sport car.
The high 80cm of girder of the rotatable secondary suspension hook section, the girder of the rotatable main suspension hook section in girder middle part is up to
120cm。
The beneficial effects of the utility model are：
The utility model provides a kind of suspender equipment suitable for the asynchronous lifting construction of steel-concrete composite beam cable-stayed bridge girder, this practicality
The suspender equipment of novel offer can complete the lifting by crane of steel girder unit and concrete bridge deck plate unit, aerial horizontal swing and accurate
Location and installation, hanger main girder set 2 independent upper connection suspension centres, are connect with cable crane sport car hanger altogether, and suspender lifting can revolve
Turn main suspension hook to be set among girder, be used for the lifting of steel girder unit and intermediate axle panel unit, the rotatable secondary suspension hook of suspender is set
In girder both sides, it to be used for the lifting of both sides concrete bridge deck plate unit.
The application of suspender equipment provided by the utility model is based on cable crane, and the use of the suspender equipment reduces steel master
Beam and the installation of concrete bridge deck plate unit are influenced by factors such as place, natural conditions, and highly practical, security performance can
It leans on, construction efficiency is high, is worth Long span steel-concrete composite beam cable-stayed bridge steel girder and coagulation under the conditions of mountain area from now on or special geomorphology
Further genralrlization application in the native asynchronous lifting construction of bridge floor plate unit.
The utility model is further illustrated with reference to the accompanying drawings and examples.
Description of the drawings
Fig. 1 suspender equipment total structure figures.
Fig. 2 hanger main girders end（It is left）With middle part（It is right）Cross-section comparison schemes.
The main shackle hook structural map of Fig. 3 suspenders.
Fig. 4 suspender pair shackle hook structural maps.
Suspension centre on Fig. 5 suspenders（It is connect with cable crane）Otic placode structural map.
Fig. 6 suspenders equipment and cable crane connection diagram.
Fig. 7 suspender hoisting steel girder units construction schematic diagram（Before swivel）.
Fig. 8 suspender hoisting steel girder units construction schematic diagram（After swivel）.
Fig. 9 suspenders lift by crane concrete bridge deck plate unit construction schematic diagram（Lift by crane posture）.
Figure 10 suspenders lift by crane concrete bridge deck plate unit construction schematic diagram（Installation posture after aerial horizontal rotation）.
In figure, reference numeral is：1, girder；101, girder web plate；102, girder top plate；103, kingpost baseplate；104, main
Beam stiffener；2, rotatable main suspension hook；201, main suspension hook suspender belt plate；3, rotatable secondary suspension hook；301, secondary suspension hook suspender belt plate；4, it hangs
Ear；401, lifting lug stiffener；5, sport car；501, upper hanger；502, hoisting rope；503, lower hanger；504, suspender belt；6, steel wire is lifted by crane
Rope；7, steel girder unit；8, S classes floorings；9, C classes floorings.
Specific implementation mode
In order to overcome the problems, such as that the existing horizontal transport that can not achieve steel girder unit, the utility model utility model provide
A kind of suspender equipment suitable for the asynchronous lifting construction of steel-concrete composite beam cable-stayed bridge girder as shown in Figure 1, it is provided by the utility model
Suspender equipment can complete the lifting by crane of steel girder unit and concrete bridge deck plate unit, aerial horizontal swing and be accurately positioned installation,
By adding suspender equipment under cable crane, composite beam lifting construction tissue is simplified, construction efficiency is substantially increased, is shortened
Duration；Suspender device structure is succinct, safe and reliable to operation, has maximumlly saved construction cost, creates good economy
Benefit.The utility model can realize the asynchronous lifting installation of the homologous ray of steel girder unit and concrete bridge deck plate unit, together
When can complete steel girder unit and the skyborne Horizontal Swing Construction operation of concrete bridge deck plate unit.
Suitable for the suspender equipment of the asynchronous lifting construction of steel-concrete composite beam cable-stayed bridge girder, including girder 1, rotatable main suspension hook 2,
Two rotatable secondary suspension hooks 3 and two lifting lugs 4, rotatable main suspension hook 2 are set to 1 central bottom of girder, and rotatable pair suspension hook 3 is distinguished
Set on 1 liang of side bottom of girder, the girder of 3 section of secondary suspension hook rotatable higher than both sides of girder 1 of rotatable 2 section of main suspension hook；Institute
The 1 upper end both sides of girder stated are respectively equipped with a lifting lug 4.
As shown in Figure 1, hanging suitable for steel-concrete composite beam cable-stayed bridge steel girder and the asynchronous lifting construction of concrete bridge deck plate unit
Tool equipment is made of girder 1, the rotatable secondary suspension hook 3 of 2, two sets of a set of rotatable main suspension hook and two lifting connection lifting lugs 4, is being tied
In structure design, the specified crane capacity of the suspender is designed by 100t, and runtime maximum wind power considers by 6 grades, safety coefficient 4.0, together
When the suspender device structure design through third-party authentication, structure is safe and reliable.After the completion of the processing and manufacturing of suspender equipment, loaded
Operation test, i.e. cable crane carry suspender equipment, press steel girder lifting operating mode respectively and concrete bridge deck plate unit lifts by crane work
Condition loads 1.2 times of specified heavy loads, lifts by crane counterweight from Sarasota side, is back to lifting position before transport to other side tower again,
Installation site carries out 90 ° of level to hoisting component（- 90 °）Swivel operation.In load test to suspender equipment girder 1, can revolve
Turn main suspension hook 2 and rotatable secondary suspension hook 3 carries out structure stress detection and deformation detection, it is ensured that securely and reliably input makes structure afterwards
With.
Suspender equipment is made of the lifting lug 4 of 1, three rotary hook of a girder and two lifting connections, middle girder 1
Overall length 16m, left and right width lifting connection 4 spacing 13m of lifting lug, 5 times suspension centres of lifting lug 4 and cable crane sport car match.
The utility model carries out overlapping joist steel girder unit 7 and concrete slab by cable crane using suspender equipment
Unit lifting, when steel girder unit 7 is assembled, axis is in 90 ° of horizontal angles with Installation posture, then utilizes suspender hoisting steel master
Then beam element 7 realizes 7 aerial 90 ° of horizontal swings of steel girder unit after above horizontal transport to installation site by suspender
Then operation slowly falls and realizes that the cantilever docking of steel girder unit 7 is assembled；After the completion of suspension cable one is opened, by suspender from
It hangs area and once lifts by crane three pieces of bridge floor plate units of direction across bridge, after horizontal transport to installation site, slowly fall installation floorings list
Member completes the asynchronous lifting of composite beam system girder to steel girder top surface.
Embodiment 2：
On the basis of above-described embodiment, in the present embodiment, the girder 1 is welding box-shaped using Q345 material steel plates
Variable section structure form, girder include girder web plate 101, girder top plate 102 and kingpost baseplate 103, its described thickness is
25mm；The cross-bridges of girder top plate 102 and kingpost baseplate 103 connects into case upwardly through two pieces of girder web plates parallel to each other 101
Body shape, 1 width 60cm of girder have additional horizontal direction and vertical girder stiffener 104 in girder 1.
The girder 1 of the 1 high 80cm of girder of 3 section of the rotatable secondary suspension hook, rotatable 2 section of main suspension hook in girder middle part are high
To 120cm.
As shown in Fig. 2, girder 1 uses the welding box-shaped variable section structure form of Q345 material steel plates, girder web plate 101, master
Back plate 102 and 103 thickness of kingpost baseplate are 25mm；1 width 60cm of hanger main girder, both sides 3 section girder 1 of rotatable secondary suspension hook
High 80cm accordingly increases girder 1 up in the bending strength that 1 rotatable 2 section of main suspension hook in middle part of girder is enhancing beam section
120cm, while to improve the overall stiffness of hanger main girder 1, horizontal direction and vertical girder stiffener 104 are added in girder 1.
As shown in figure 3, the rotatable main suspension hook 2 uses 125t grades of rotatable staight shank double hook structure types, it is rotatable
Main suspension hook 2 is anchored at across kingpost baseplate 103 on girder top plate 102 by suspender belt plate.
As shown in figure 4, the rotatable secondary suspension hook 3 uses 32t grades of rotatable staight shank double hook forms, rotatable pair suspension hook
3 by suspender belt plate across kingpost baseplate 103 is welded on two vertical girder stiffeners 104, rotatable pair suspension hook 3 cross-bridges
To spacing by floorings direction across bridge clipping room away from setting.
As shown in figure 5, the lifting lug 4 uses Q345 materials, the steel plate of thick 30mm to weld otic placode structure type.
4 both sides of lifting lug are welded with lifting lug stiffener.
The lifting lug 4 is located at the hanger position in the case where 102 both sides of girder top plate correspond to cable crane sport car.
When practice of construction, suspender equipment is installed on 5 times hangers of cable crane sport car 503 after installation is complete by cable crane
On, overlapping beam element lifts by crane area before transport to tower, the lifting of steel girder unit 7 is installed, directly using as shown in Figure 7
Mode is attached by hoisting wirerope 6, and transport is to installation site after lifting, then to steel by way of pulling traction
Girder unit carries out 90 ° of swivels of aerial level, after swivel（Such as Fig. 8）, fall and carry out steel kingpost cantalever abutting joint.For mixed
The lifting installation of solidifying soil bridge floor plate unit, three pieces of bridge floor plate units of direction across bridge are once lifted by crane using mode as shown in Figure 9, can
Different floorings can be lifted by crane simultaneously from rotatable secondary suspension hook 3 by rotating main suspension hook 2, and rotatable main suspension hook 2 lifts by crane C class floorings
9, rotatable pair suspension hook 3 lifts by crane S classes floorings 8, this suspender equipment can lift by crane three pieces of bridge floor plate units simultaneously, and is passed through after lifting by crane vertical
Bridge carries out aerial horizontal turn in such a way that auxiliary pulls traction to horizontal transport to installation site top to bridge floor plate unit
Body, after swivel（Such as Figure 10）, then slow whereabouts floorings, overlapping installation is carried out with steel girder.
As shown in fig. 6, when suspender equipment is connect with cable crane, the suspender equipment that is supplied to by the utility model
On two lifting lugs 4 be sequentially connected the lower hanger 503 of 5 lower end of sport car, connected by suspender belt 504 between lower hanger 503 and lifting lug 4
It connects, lower 503 upper end of hanger is connected with hoisting rope 502, is connected by upper hanger 501 between hoisting rope 502 and sport car 5.
The suspender provided by the utility model can realize the asynchronous lifting of steel girder unit 7 and concrete bridge deck plate unit
Installation, while sling system has twist in the air function, can complete horizontal 360-degree turn in the air by hoisting component, that is, realize
The homologous ray of steel-concrete composite beam cable-stayed bridge steel girder unit and concrete bridge deck plate unit, asynchronous lifting install organisational issues, and solve
Steel girder unit 7 phloem-xylem transport problem.In composite beam installation organization design, cable crane hoisting rope is set to double ropes
On the inside of the suspension cable of face, this suspender equipment, steel girder unit 7 and concrete bridge deck are installed under 5 times hangers of cable crane sport car 503
Plate unit is assembled and prefabricated in the completion of single bank, and for the lifting construction of steel girder unit, in beam element assembly, beam element is in
The direction vertical with Installation posture carries out assembly, then utilizes cable crane lifting, transports to installation site, passes through suspender equipment
Realize 90 ° of swivels of aerial level of beam element, installation of then falling；For the lifting construction of concrete bridge deck plate unit, by
The suspender equipment can lift by crane 3 block concrete bridge floor plate units of composite beam direction across bridge simultaneously, and after primary transport is in place, fall peace
Dress.
In conclusion the utility model offer is asynchronous suitable for steel-concrete composite beam cable-stayed bridge steel girder and concrete bridge deck plate unit
The suspender equipment of lifting construction, its advantage is that：Suspender equipment is set to below cable crane, you can completes rising for steel girder unit 7
Installation is hung, and the lifting installation of concrete bridge deck plate unit can be completed, a tool is multi-purpose；Simultaneously by rotatable main suspension hook 2 and can
The aerial horizontal swing of steel girder unit 7 and concrete bridge deck plate unit can be achieved in the setting of revolute suspension hook 3, solve beam and
Plate unit phloem-xylem transport and the interference problem for having installed suspension cable on bridge；Suspender divides into three lifting suspension hooks, can once synchronize
3 pieces of bridge floor plate units are lifted by crane, construction efficiency is substantially increased, shorten the construction period.For mountain area, valley, non-navigable river or
Under by the operating mode that surface feature is limited and lifting construction engineering method restricts, simplifies technique, reduce input, shorten the construction period, construction peace
Overall height is imitated, highly practical, is worth in steel-concrete composite beam cable-stayed bridge steel girder unit from now on and the asynchronous lifting peace of concrete bridge deck plate unit
Further genralrlization in dress construction, widens lifting construction engineering method new approaches.
It is exemplified as above be only to the utility model for example, not constituting to the scope of protection of the utility model
Limitation, it is every to be belonged within the scope of protection of the utility model with the same or analogous design of the utility model.This practicality is new
Unspecified device and structure are the prior art in type, will no longer be illustrated one by one in the utility model.
Claims (8)
1. the suspender equipment suitable for the asynchronous lifting construction of steel-concrete composite beam cable-stayed bridge girder, it is characterised in that：Including girder（1）, can
Rotate main suspension hook（2）, two rotatable secondary suspension hooks（3）With two lifting lugs（4）, rotatable main suspension hook（2）Set on girder（1）It is intermediate
Bottom, rotatable pair suspension hook（3）It is respectively arranged on girder（1）Two side bottoms, rotatable main suspension hook（2）The girder of section（1）It is higher than
The rotatable secondary suspension hook in both sides（3）The girder of section；The girder（1）Upper end both sides are respectively equipped with a lifting lug（4）.
2. the suspender equipment according to claim 1 suitable for the asynchronous lifting construction of steel-concrete composite beam cable-stayed bridge girder, feature
It is：The girder（1）Using the welding box-shaped variable section structure form of Q345 material steel plates, girder includes girder web plate
（101）, girder top plate（102）And kingpost baseplate（103）, the girder web plate（101）, girder top plate（102）And kingpost baseplate
（103）Thickness be 25mm；Girder top plate（102）And kingpost baseplate（103）Cross-bridges it is parallel to each other upwardly through two pieces
Girder web plate（101）Connect into case shape, girder（1）Wide 60cm, girder（1）It inside has additional horizontal direction and vertical girder is put more energy into
Plate（104）.
3. the suspender equipment according to claim 2 suitable for the asynchronous lifting construction of steel-concrete composite beam cable-stayed bridge girder, feature
It is：The rotatable main suspension hook（2）Using 125t grades of rotatable staight shank double hook structure types, rotatable main suspension hook（2）It is logical
It crosses suspender belt plate and passes through kingpost baseplate（103）It is anchored at girder top plate（102）On.
4. the suspender equipment according to claim 2 suitable for the asynchronous lifting construction of steel-concrete composite beam cable-stayed bridge girder, feature
It is：The rotatable secondary suspension hook（3）Using 32t grades of rotatable staight shank double hook forms, rotatable pair suspension hook（3）Pass through suspender belt
Plate passes through kingpost baseplate（103）It is welded on two vertical girder stiffeners（104）Between, rotatable pair suspension hook（3）Direction across bridge
Spacing is by floorings direction across bridge clipping room away from setting.
5. the suspender equipment according to claim 1 suitable for the asynchronous lifting construction of steel-concrete composite beam cable-stayed bridge girder, feature
It is：The lifting lug（4）Using Q345 materials, the steel plate of thick 30mm welds otic placode structure type.
6. the suspender equipment according to claim 1 suitable for the asynchronous lifting construction of steel-concrete composite beam cable-stayed bridge girder, feature
It is：The lifting lug（4）Both sides are welded with lifting lug stiffener.
7. the suspender equipment according to claim 2 suitable for the asynchronous lifting construction of steel-concrete composite beam cable-stayed bridge girder, feature
It is：The lifting lug（4）It is located at girder top plate（102）Both sides correspond to hanger position under cable crane sport car.
8. the suspender equipment according to claim 1 suitable for the asynchronous lifting construction of steel-concrete composite beam cable-stayed bridge girder, feature
It is：The rotatable secondary suspension hook（3）The girder of section（1）High 80cm, the rotatable main suspension hook in girder middle part（2）The girder of section
（1）Up to 120cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721427664.1U CN207713242U (en) | 2017-10-31 | 2017-10-31 | Suspender equipment suitable for the asynchronous lifting construction of steel-concrete composite beam cable-stayed bridge girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721427664.1U CN207713242U (en) | 2017-10-31 | 2017-10-31 | Suspender equipment suitable for the asynchronous lifting construction of steel-concrete composite beam cable-stayed bridge girder |
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| Publication Number | Publication Date |
|---|---|
| CN207713242U true CN207713242U (en) | 2018-08-10 |
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ID=63060785
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721427664.1U Active CN207713242U (en) | 2017-10-31 | 2017-10-31 | Suspender equipment suitable for the asynchronous lifting construction of steel-concrete composite beam cable-stayed bridge girder |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436333A (en) * | 2019-08-29 | 2019-11-12 | 中交上海航道局有限公司 | A kind of the auxiliary force application structure and construction method of steel structure hoisting |
| CN113265957A (en) * | 2021-05-11 | 2021-08-17 | 中铁二局集团有限公司 | Swivel hoisting method for I-shaped steel beam |
| CN113307155A (en) * | 2021-06-01 | 2021-08-27 | 中铁四局集团有限公司 | Pile support system assembly type subway station longitudinal beam lifting appliance and longitudinal beam installation method |
| CN114541248A (en) * | 2022-03-24 | 2022-05-27 | 中建八局第三建设有限公司 | Variable-slope large-section prefabricated superposed beam lifting lug structure and construction method thereof |
-
2017
- 2017-10-31 CN CN201721427664.1U patent/CN207713242U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436333A (en) * | 2019-08-29 | 2019-11-12 | 中交上海航道局有限公司 | A kind of the auxiliary force application structure and construction method of steel structure hoisting |
| CN113265957A (en) * | 2021-05-11 | 2021-08-17 | 中铁二局集团有限公司 | Swivel hoisting method for I-shaped steel beam |
| CN113307155A (en) * | 2021-06-01 | 2021-08-27 | 中铁四局集团有限公司 | Pile support system assembly type subway station longitudinal beam lifting appliance and longitudinal beam installation method |
| CN114541248A (en) * | 2022-03-24 | 2022-05-27 | 中建八局第三建设有限公司 | Variable-slope large-section prefabricated superposed beam lifting lug structure and construction method thereof |
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