CN109098454A - High-altitude long-span warp roof hydraulic pressure lift construction - Google Patents
High-altitude long-span warp roof hydraulic pressure lift construction Download PDFInfo
- Publication number
- CN109098454A CN109098454A CN201810984320.3A CN201810984320A CN109098454A CN 109098454 A CN109098454 A CN 109098454A CN 201810984320 A CN201810984320 A CN 201810984320A CN 109098454 A CN109098454 A CN 109098454A
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- hydraulic
- truss
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- roof
- lifting
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/342—Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/08—Vaulted roofs
Abstract
The present invention relates to a kind of high-altitude long-span warp roof hydraulic pressure lift constructions, affiliated Structural Engineering steel structure technology field, including warp roof, warp roof includes that truss winds up, deck and truss lower edge, truss lower edge lower end surface is equipped with several roof system support columns, several hydraulic lifting components are equipped between several roof system support columns, warp roof periphery is uniformly provided with several hoisting frames equidistantly arranged, several hoisting frames, which are equipped with, promotes paralell, it promotes paralell front end and is equipped with hydraulic rockshaft, the steel construction suspender for the phase lifting lug formula pin joint that winds up with truss is equipped with below hydraulic rockshaft, the steel strand wires with the mutually movable socket of hydraulic rockshaft are equipped between hydraulic rockshaft and steel construction suspender.The construction has the advantages that promotion tonnage is big, short construction period, working space are big, reduce amount of high-altitude operation and reduces security risk, solves the problems, such as that high altitude bulk welding capacity is big, operating risk is big and construction quality is unstable.
Description
Technical field
The present invention relates to Structural Engineering steel structure technology fields, and in particular to a kind of high-altitude long-span warp roof is hydraulic to be mentioned
Rise construction.
Background technique
With the development that steel construction industry is maked rapid progress, the architectural design of various large spans, large space takes off grain husk and gives birth to, such as:
Airport, railway station, conference and exhibition center, stadiums, exhibition center etc. bring new opportunities and challenges to structural steelwork installation.
But existing in the construction of super-span steel rooftop air conditioning unit can not be lifted with large scale equipment or be lifted using large scale equipment uneconomical
Engineering the problem of, and since the high altitude bulk welding capacity of complex space truss structure is big, the period is long, dimensional component assembly difficulty
Greatly, Large-scale Hoisting equipment has been difficult to meet current steel construction row using the big therefore traditional mounting technique of frequent, operating risk
Industry growth requirement.
Summary of the invention
Present invention mainly solves existing in the prior art, long in time limit, high altitude bulk welding capacity is big, operating risk is big and large-scale
Hanging device provides a kind of high-altitude long-span warp roof hydraulic pressure lift construction using frequent deficiency, has and mentions
It rises that tonnage is big, short construction period, working space are big, the advantages of reducing amount of high-altitude operation and reducing security risk, solves high-altitude
The problem that welding capacity in bulk is big, operating risk is big and construction quality is unstable.
Above-mentioned technical problem of the invention is mainly to be addressed by following technical proposals:
A kind of high-altitude long-span warp roof hydraulic lifting apparatus, including warp roof, the warp roof include on truss
String, truss upper end of winding up are equipped with the deck of phase filled type welding of winding up with truss, and truss bottom end of winding up is set
There is the truss lower edge for mutually embedded welding of winding up with truss, the truss lower edge lower end surface is equipped with several roof system support columns, institute
The roof system support column side stated is equipped with the hydraulic vertical prop vehicle that phase otic placode formula is screwed on, and is equipped with several and purlin between several roof system support columns
Frame lower edge lower end surface mutually goes up and down fixed hydraulic lifting component, and the warp roof periphery is uniformly provided with several equidistant arrangements
Hoisting frame, several hoisting frames be equipped be connected fixed with several hoisting frames promotion paralell, the promotion paralell
Front end is equipped with the hydraulic rockshaft being halved together with promotion paralell, is equipped with to wind up with truss below the hydraulic rockshaft and mutually hang
The steel construction suspender of ear formula pin joint is equipped with mutually movable with hydraulic rockshaft between the hydraulic rockshaft and steel construction suspender
The steel strand wires of socket.
Using being synchronously completed on the ground to warp roof progress layer-stepping, truss winds up, truss lower edge and roof system support
The welding processing of column works, then by several hydraulic rockshafts by steel strand wires connection steel construction suspender, reaches truss and winds up entirety
The effect of promotion.Hydraulic rockshaft selects YS-SJ type hydraulic rockshaft.Truss is completed in the most suitable height of welder to wind up and room
The welding of top surface guarantees the stabilization of welding quality.It completes truss to wind up with after deck welding, promotes whole height
Meet truss lower edge enter fabricating yard complete truss lower edge steel construction suspender fix and promoted.Hydraulic lifting component at this time
It is placed into designated position to be supported truss lower edge, truss is completed by hydraulic lifting component and the lift adjustment of truss lower edge
The mating operation that lower edge and truss wind up.Roof system support column is transported to installation site using hydraulic vertical prop vehicle and establishes support room
Lid support column completes last welding, guarantees the support verticality of roof system support column.
Preferably, the hydraulic lifting component includes several hydraulic support oil cylinders, several hydraulic support oil cylinder lower ends
Face is equipped with cylinder pedestal, and several hydraulic support oil cylinder upper surfaces are equipped with guardrail workbench, in the guardrail workbench
The even hydraulic regulation oil cylinder for being arranged with several formula fixations that socket-connect with truss lower edge lower end surface.
Hydraulic regulation oil cylinder plays the role of fixing and supporting truss lower edge different height size support rod, adjusts guardrail
Height between workbench and truss lower edge facilitates welder to complete welding.Guardrail workbench provides the welding of safety
Working region.Hydraulic support oil cylinder ensure that the lifting of guardrail workbench and to integrally-built supporting role.
Preferably, the high-altitude long-span warp roof hydraulic pressure lift construction includes following operating procedure:
Step 1: the weldering that several roof system support columns are completed in synchronization job, truss winds up with the separate unit of truss lower edge in bottom surface
Work is connect, while erecting hoisting frame and promoting paralell.
Step 2: hydraulic rockshaft is installed on promoting paralell, hydraulic rockshaft is using steel strand wires and steel construction suspender
Completion is connected and fixed, and by steel construction suspender and truss wind up between complete lifting fix, first by hydraulic rockshaft boist truss
It winds up after about 150~200mm, pause is promoted；After confirming that hydraulic synchronizing lifting is without exception, purlin is promoted by hydraulic rockshaft at this time
Frame winds up to 1.2~1.5 meters of height, completes the welding that deck and truss wind up, and reserve steel construction suspender and purlin
The Hoisting Position that frame winds up.
Step 3: it after confirmation hydraulic synchronizing lifting is without exception, is winded up by hydraulic rockshaft boist truss to 16~18 meters
Highly, by several hydraulic rockshaft lifting truss lower edges to truss wind up lower section, at this time by increasing below truss lower edge
Several hydraulic lifting components simultaneously carry out contraposition adjustment of winding up with truss, complete the butt welding that truss lower edge and truss wind up at this time
Construction, hydraulic rockshaft is detached from truss lower edge after the completion, and several hydraulic lifting components are kept and truss lower edge fixed structure.
Step 4: synchronous to carry out hydraulic rockshaft after checking that hydraulic rockshaft promotion speed is consistent with hydraulic lifting component
Boist truss, which winds up, reaches 26~30 meters of specified altitude assignment with hydraulic lifting component lifting truss lower edge, uses hydraulic vertical prop vehicle at this time
Roof system support column is transported to specified region and established and completes being welded and fixed for roof system support column and warp roof.
Step 5: several hydraulic lifting components keep oil pressure holding state, and steel construction suspender winds up with truss to be separated, and lead to
It crosses and promotes the last deck welding of paralell completion warp roof.
Step 6: after completing whole high-altitude long-span warp roof construction, first by hydraulic regulation oil cylinder and truss lower edge pine
It opens and synchronizes 5 centimetres, hold mode 3 hours of reduction；Hydraulic regulation oil cylinder is shunk completely again and hydraulic support oil cylinder is returned simultaneously
To original state and transport.
Preferably, being promoted when hydraulic rockshaft boist truss winds up and realizing position synchronization control, phase between suspension centre each point
Adjoint point synchronous error is less than 10mm.
Preferably, the range of the hydraulic regulation oil cylinder in hydraulic lifting component is 1.2~2 meters, lifting speed is
0.2~0.3 meter per minute；The range of hydraulic support oil cylinder be 14~28 meters, lifting speed be 8~12 meters per hour.
Preferably, the lifting consecutive points synchronous error of hydraulic support oil cylinder is less than 5mm.
Preferably, the placement location of hydraulic lifting component is adjacent with the installation site of every roof system support column, its spacing
For 5~10cm.
The present invention can reach following effect:
The present invention provides a kind of high-altitude long-span warp roof hydraulic pressure lift constructions, and compared with prior art, this is applied
Work engineering method, which has, promotes that tonnage is big, short construction period, working space are big, reduce amount of high-altitude operation and reduces the excellent of security risk
Point solves the problems, such as that high altitude bulk welding capacity is big, operating risk is big and construction quality is unstable.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the fortune assembling structure schematic diagram of roof system support column of the invention.
Fig. 3 is the structural schematic diagram of hydraulic lifting component of the invention.
In figure: hoisting frame 1, promotion paralell 2, hydraulic rockshaft 3, steel strand wires 4, warp roof 5, hydraulic lifting component 6,
Steel construction suspender 7, roof system support column 8, hydraulic vertical prop vehicle 9, hydraulic regulation oil cylinder 10, guardrail workbench 11, hydraulic pressure support oil
Cylinder 12, cylinder pedestal 13, deck 14, truss wind up 15, truss lower edge 16.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solution to invention is described in further detail.
Embodiment: as shown in Figure 1, Figure 2 and Figure 3, a kind of high-altitude long-span warp roof hydraulic lifting apparatus, including curved surface
Roof system 5, warp roof 5 include that truss winds up 15, and truss 15 upper ends of winding up are equipped with the room of 15 phase filled types welding of winding up with truss
Top surface 14, truss 15 bottom ends of winding up are equipped with the truss lower edge 16 of 15 mutually embedded welding of winding up with truss, 16 lower end of truss lower edge
Face is equipped with several roof system support columns 8, and 8 side of roof system support column is equipped with the hydraulic vertical prop vehicle 9 that phase otic placode formula is screwed on.Several roof system branch
Fixed hydraulic lifting component 6 is mutually gone up and down with 16 lower end surface of truss lower edge equipped with several between dagger 8, hydraulic lifting component 6 is wrapped
Several hydraulic support oil cylinders 12 are included, several 12 lower end surfaces of hydraulic support oil cylinder are equipped with cylinder pedestal 13, several hydraulic support oil cylinders
12 upper surfaces are equipped with guardrail workbench 11, in guardrail workbench 11 it is evenly distributed have it is several with 16 lower end surface phase of truss lower edge
The fixed hydraulic regulation oil cylinder 10 of socket joint type.5 periphery of warp roof is uniformly provided with several hoisting frames 1 equidistantly arranged, several
Hoisting frame 1 is equipped with the promotion paralell 2 for being connected fixed with several hoisting frames 1, promotes 2 front end of paralell equipped with flat with promotion
The hydraulic rockshaft 3 that rack 2 is halved together is equipped with the steel construction for the 15 phase lifting lug formula pin joints that wind up with truss below hydraulic rockshaft 3
Suspender 7 is equipped with the steel strand wires 4 with the mutually movable socket of hydraulic rockshaft 3 between hydraulic rockshaft 3 and steel construction suspender 7.
High-altitude long-span warp roof hydraulic pressure lift construction includes following operating procedure:
Step 1: in bottom surface, several roof system support columns 8 are completed in synchronization job, truss winds up the separate unit of 15 and truss lower edge 16
Welding, while erect hoisting frame 1 and promoted paralell 2.
Step 2: installing hydraulic rockshaft 3 on promoting paralell 2, and hydraulic rockshaft 3 uses steel strand wires 4 and steel construction
The completion of suspender 7 is connected and fixed, and steel construction suspender 7 and truss winded up and completes lifting between 15 and fixes, first by hydraulic rockshaft 3
Boist truss winds up after 15 about 180mm, and pause is promoted；After confirming that hydraulic synchronizing lifting is without exception, then hydraulic rockshaft 3 promoted
Truss winds up 15 to 1.3 meters of height, 3 boist truss of hydraulic rockshaft wind up 15 when, promoted and realize that position is same between suspension centre each point
Step control, consecutive points synchronous error are less than 10mm.Complete deck 14 and truss wind up 15 welding, and reserved tapping knot
Structure suspender 7 and truss wind up 15 Hoisting Position.
Step 3: it after confirmation hydraulic synchronizing lifting is without exception, is winded up 15 to 16 meters of height by 3 boist truss of hydraulic rockshaft
Degree is winded up below 15 by several 3 lifting truss lower edges 16 of hydraulic rockshaft to truss, at this time by below truss lower edge 16
Increase several hydraulic lifting components 6 and carry out 15 contrapositions adjustment of winding up with truss, completes truss lower edge 16 at this time and truss winds up
15 butt welding construction, hydraulic rockshaft 3 is detached from truss lower edge 16 after the completion, and several hydraulic lifting components 6 are kept and truss
16 fixed structure of lower edge.
Step 4: synchronous to carry out hydraulic pressure lift after checking that hydraulic rockshaft 3 promotes speed and hydraulic lifting component 6 unanimously
3 boist truss of device wind up 15 with hydraulic lifting component 6 be lifted truss lower edge 16 reach 28 meters of specified altitude assignment, hydraulic lifting component 6
On hydraulic regulation oil cylinder 10 lifting maximum to 2 meters, lifting speed be 0.25 meter per minute；The lifting of hydraulic support oil cylinder 12
Maximum to 28 meters, lifting speed be 10 meters per hour.The lifting consecutive points synchronous error of hydraulic support oil cylinder 12 is less than 5mm.This
Shi Caiyong hydraulic vertical prop vehicle 9 transports roof system support column 8 and 6 adjacent position of hydraulic lifting component, its spacing 8cm.After in place
Roof system support column 8 is established come by hydraulic vertical prop vehicle 9 and completes being welded and fixed for roof system support column 8 and warp roof 5.
Step 5: several hydraulic lifting components 6 keep oil pressure holding states, and steel construction suspender 7 and truss 15 phases of winding up take off
From last 14 welding of deck of completion warp roof 5.
Step 6: after completing whole high-altitude long-span warp roof construction, first by hydraulic regulation oil cylinder 10 and truss lower edge
16 unclamp and synchronize 5 centimetres, hold mode 3 hours of reduction；Hydraulic regulation oil cylinder 10 is shunk simultaneously to hydraulic pressure support simultaneously completely again
Oil cylinder 12 returns to original state and transports.
In conclusion high-altitude long-span warp roof hydraulic pressure lift construction, the big, construction period with promotion tonnage
Short, working space is big, the advantages of reducing amount of high-altitude operation and reducing security risk, solves that high altitude bulk welding capacity is big, operation
The problem that risk is big and construction quality is unstable.Improve the construction quality and structural intergrity of warp roof.
Above is only a specific embodiment of the present invention, but structure feature of the invention is not limited thereto, Ren Heben
Within the field of the present invention, made changes or modifications all cover within the scope of the patent of the present invention the technical staff in field.
Claims (7)
1. a kind of high-altitude long-span warp roof hydraulic lifting apparatus, including warp roof (5), it is characterised in that: the song
Face roof system (5) includes that truss winds up (15), the truss wind up (15) upper end be equipped with truss wind up (15) phase filled type weldering
The deck (14) connect, the truss (15) bottom end of winding up are equipped with the truss lower edge of (15) mutually embedded welding of winding up with truss
(16), truss lower edge (16) lower end surface is equipped with several roof system support columns (8), and described roof system support column (8) side is set
The hydraulic vertical prop vehicle (9) for having phase otic placode formula to be screwed on is equipped between several roof system support columns (8) several with truss lower edge (16) lower end
Face is mutually gone up and down fixed hydraulic lifting component (6), the warp roof (5) periphery be uniformly provided with it is several equidistantly arrange mention
It rises frame (1), several mention rack (1) are equipped with the promotion paralell (2) for being connected fixed with several hoisting frames (1), and described mentions
Peaceful rack (2) front end is equipped with and promotes paralell (2) hydraulic rockshaft (3) for being halved together, under the hydraulic rockshaft (3)
Side is equipped with the steel construction suspender (7) for (15) phase lifting lug formula pin joint that winds up with truss, and the hydraulic rockshaft (3) is hung with steel construction
Have the steel strand wires (4) being equipped between (7) with hydraulic rockshaft (3) mutually movable socket.
2. high-altitude long-span warp roof hydraulic lifting apparatus according to claim 1, it is characterised in that: described is hydraulic
Lifting assembly (6) includes several hydraulic support oil cylinders (12), and several hydraulic support oil cylinder (12) lower end surfaces are equipped with cylinder pedestal
(13), several hydraulic support oil cylinder (12) upper surfaces are equipped with guardrail workbench (11), in the guardrail workbench (11)
The evenly distributed hydraulic regulation oil cylinder (10) for having several formula fixations that socket-connect with truss lower edge (16) lower end surface.
3. a kind of high-altitude long-span warp roof hydraulic pressure lift construction, it is characterised in that press following operating procedure:
Step 1: in bottom surface, several roof system support columns (8) are completed in synchronization job, truss winds up (15) and truss lower edge (16) it is only
The welding of vertical unit, while erecting hoisting frame (1) and promoting paralell (2)；
Step 2: installing hydraulic rockshaft (3) on promoting paralell (2), and hydraulic rockshaft (3) uses steel strand wires (4) and steel
Structure lifting (7) completion is connected and fixed, and steel construction suspender (7) and truss winded up and completes lifting between (15) and fixes, first by
Hydraulic rockshaft (3) boist truss winds up after (15) about 150~200mm, and pause is promoted；Confirm that hydraulic synchronizing lifting is without exception
Afterwards, then by hydraulic rockshaft (3) boist truss (15) are winded up to 1.2~1.5 meters of height, completes deck (14) and winds up with truss
(15) welding, and reserve steel construction suspender (7) and truss winds up the Hoisting Position of (15)；
Step 3: after confirmation hydraulic synchronizing lifting is without exception, (15) are winded up to 16~18 by hydraulic rockshaft (3) boist truss
Meter Gao Du is winded up below (15) by several hydraulic rockshafts (3) lifting truss lower edge (16) to truss, at this time by truss
Lower edge (16) lower section increases several hydraulic lifting components (6) and carries out (15) contraposition adjustment of winding up with truss, completes truss at this time
Lower edge (16) and truss wind up (15) butt welding construction, after the completion hydraulic rockshaft (3) be detached from truss lower edge (16), it is several
Hydraulic lifting component (6) is kept and truss lower edge (16) fixed structure；
Step 4: synchronous to carry out hydraulic pressure lift after checking that hydraulic rockshaft (3) promote speed and hydraulic lifting component (6) unanimously
Device (3) boist truss wind up (15) and hydraulic lifting component (6) lifting truss lower edge (16) reach 26~30 meters of specified altitude assignment, this
Shi Caiyong hydraulic vertical prop vehicle (9) by roof system support column (8) be transported to specified region and establish complete roof system support column (8) with
Warp roof (5) are welded and fixed；
Step 5: several hydraulic lifting components (6) keep oil pressure holding states, and steel construction suspender (7) and truss wind up (15) phase
It is detached from, completes warp roof (5) last deck (14) welding；
Step 6: after completing whole high-altitude long-span warp roof construction, first by hydraulic regulation oil cylinder (10) and truss lower edge
(16) unclamping and synchronizing reduces by 5 centimetres, hold mode 3 hours；Hydraulic regulation oil cylinder (10) is shunk completely again simultaneously hydraulic simultaneously
Support cylinder (12) returns to original state and transports.
4. high-altitude long-span warp roof hydraulic pressure lift construction according to claim 3, it is characterised in that: hydraulic to mention
Rise device (3) boist truss wind up (15) when, promoted suspension centre each point between realize position synchronization control, consecutive points synchronous error is less than
10mm。
5. high-altitude long-span warp roof hydraulic pressure lift construction according to claim 3, it is characterised in that: hydraulic liter
The range for the hydraulic regulation oil cylinder (10) come down to a lower group on part (6) is 1.2~2 meters, and lifting speed is 0.2~0.3 meter per minute；
The range of hydraulic support oil cylinder (12) be 14~28 meters, lifting speed be 8~12 meters per hour.
6. high-altitude long-span warp roof hydraulic pressure lift construction according to claim 5, it is characterised in that: hydraulic branch
The lifting consecutive points synchronous error for supportting oil cylinder (12) is less than 5mm.
7. high-altitude long-span warp roof hydraulic pressure lift construction according to claim 3, it is characterised in that: hydraulic liter
Come down to a lower group part (6) placement location it is adjacent with the installation site of every roof system support column (8), its spacing be 5~10cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810984320.3A CN109098454B (en) | 2018-08-28 | 2018-08-28 | Hydraulic lifting construction method for high-altitude large-span curved roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810984320.3A CN109098454B (en) | 2018-08-28 | 2018-08-28 | Hydraulic lifting construction method for high-altitude large-span curved roof |
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| Publication Number | Publication Date |
|---|---|
| CN109098454A true CN109098454A (en) | 2018-12-28 |
| CN109098454B CN109098454B (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810984320.3A Active CN109098454B (en) | 2018-08-28 | 2018-08-28 | Hydraulic lifting construction method for high-altitude large-span curved roof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109868902A (en) * | 2019-02-25 | 2019-06-11 | 中建四局第一建筑工程有限公司 | A kind of large span steel structure roof entirety lift structure |
| CN112252482A (en) * | 2020-12-07 | 2021-01-22 | 中铁建设集团华北工程有限公司 | Hydraulic lifting device for steel structure roof and construction method thereof |
| CN112576044A (en) * | 2020-11-30 | 2021-03-30 | 长江精工钢结构(集团)股份有限公司 | Overall lifting device for large-volume steel net rack and construction method |
| CN112942590A (en) * | 2021-01-27 | 2021-06-11 | 关国荣 | Whole lifting structure of large-span steel structure roof |
| CN113404309A (en) * | 2021-05-31 | 2021-09-17 | 中国南方电网有限责任公司超高压输电公司 | Large-span dome structure spiral lifting system and method |
| CN113585710A (en) * | 2021-07-06 | 2021-11-02 | 中建八局第二建设有限公司 | Large-span cantilever truss integral lifting hydraulic press platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109868902A (en) * | 2019-02-25 | 2019-06-11 | 中建四局第一建筑工程有限公司 | A kind of large span steel structure roof entirety lift structure |
| CN112576044A (en) * | 2020-11-30 | 2021-03-30 | 长江精工钢结构(集团)股份有限公司 | Overall lifting device for large-volume steel net rack and construction method |
| CN112252482A (en) * | 2020-12-07 | 2021-01-22 | 中铁建设集团华北工程有限公司 | Hydraulic lifting device for steel structure roof and construction method thereof |
| CN112942590A (en) * | 2021-01-27 | 2021-06-11 | 关国荣 | Whole lifting structure of large-span steel structure roof |
| CN113404309A (en) * | 2021-05-31 | 2021-09-17 | 中国南方电网有限责任公司超高压输电公司 | Large-span dome structure spiral lifting system and method |
| CN113404309B (en) * | 2021-05-31 | 2022-05-17 | 中国南方电网有限责任公司超高压输电公司 | Large-span dome structure spiral lifting system and method |
| CN113585710A (en) * | 2021-07-06 | 2021-11-02 | 中建八局第二建设有限公司 | Large-span cantilever truss integral lifting hydraulic press platform |
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| Publication number | Publication date |
|---|---|
| CN109098454B (en) | 2020-11-17 |
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Denomination of invention: Hydraulic lifting construction method of high-altitude large-span curved roof Effective date of registration: 20211202 Granted publication date: 20201117 Pledgee: Zhejiang Xiaoshan rural commercial bank Limited by Share Ltd. Jude branch Pledgor: TRIUMPHER STEEL STRUCTURE GROUP Co.,Ltd. Registration number: Y2021330002426 |