CN110273478A - A kind of rack entirety lift structure - Google Patents
A kind of rack entirety lift structure Download PDFInfo
- Publication number
- CN110273478A CN110273478A CN201910567788.7A CN201910567788A CN110273478A CN 110273478 A CN110273478 A CN 110273478A CN 201910567788 A CN201910567788 A CN 201910567788A CN 110273478 A CN110273478 A CN 110273478A
- Authority
- CN
- China
- Prior art keywords
- interim
- fixed
- steel
- concrete frame
- lifter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 65
- 239000010959 steel Substances 0.000 claims abstract description 65
- 230000001737 promoting effect Effects 0.000 claims abstract description 11
- 239000003351 stiffener Substances 0.000 claims description 15
- 230000015271 coagulation Effects 0.000 claims description 2
- 238000005345 coagulation Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 12
- 238000010276 construction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- 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
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
- E04B1/3511—Lift-slab; characterised by a purely vertical lifting of floors or roofs or parts thereof
-
- 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
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
- E04B2001/3588—Extraordinary methods of construction, e.g. lift-slab, jack-block using special lifting or handling devices, e.g. gantries, overhead conveying rails
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The present invention relates to a kind of rack entirety lift structures, multiple groups lifting device including large structure surrounding is arranged in, and every group of lifting device is fixed with the concrete frame with large structure surrounding respectively, lifting device includes promoting landing beam, lifter, interim steel column and interim suspender, the inner sidewall upper portion of one end and concrete frame for promoting landing beam is fixed, interim steel column is vertically fixed on the other end for promoting landing beam, and connecting rod is additionally provided between interim steel column and concrete frame, lifter is fixed on the one end promoted on landing beam far from concrete frame, interim suspender is connect by steel strand wires with lifter.The present invention is combined by using the extension of multiple lifting means, lifting weight, span, area are unrestricted, and lifting process of the invention is fool proof, and rack can be locked in any position in lifting process, any lifter can also individually adjust, and Adjustment precision is high.
Description
Technical field
The present invention relates to construction field more particularly to a kind of rack entirety lift structures.
Background technique
Since twentieth century, space structure is all had been greatly developed in worldwide.Space grid structure is
One kind of spatial mesh structure, so-called " space structure " are its characteristics with three-dimensional effect for opposite " planar structure ",
Space structure is also considered as the extension and in-depth of planar structure.
Since space structure comes out, in the form of its efficient stress performance, novel and beautiful and quickly and easily construct
It is welcomed by the people.In stadiums, conference and exhibition center, cultural facility, transport hub or even the work for needing large span, large space
Industry workshop sees the trace of space structure invariably.
Increasingly developed with modern rack engineering construction, safety and quality problems not can avoid still in engineering, general net
Frame construction technology can not effectively control construction quality and safety, for example, high-altitude in bulk, slitting piecemeal in place assemble in place and
Air translation is assembled in place these approaches increases high altitude operation, is needed to set up large-scale scaffold and is constructed, reduces safety
Coefficient increases construction cost, and assembly is relatively complicated, reduces efficiency.
Summary of the invention
In order to solve the above technical problems, the object of the present invention is to provide a kind of rack entirety lift structure, the structures
So that Construction of The Grids is more efficient, safety is higher.
To achieve the goals above, present invention employs technical solutions below:
A kind of rack entirety lift structure, the multiple groups lifting device including large structure surrounding is arranged in, and every group mentions
It rises device to fix with the concrete frame with large structure surrounding respectively, the lifting device includes promoting landing beam, being promoted
The inner sidewall upper portion of device, interim steel column and interim suspender, described one end for promoting landing beam and concrete frame is fixed, described to face
Shi Gangzhu is vertically fixed on the other end for promoting landing beam, and is additionally provided with connecting rod between interim steel column and concrete frame, institute
It states lifter and is fixed on the one end promoted on landing beam far from concrete frame, the interim suspender passes through steel strand wires and lifter
Connection.
As a preferred solution: the landing beam one end lower part fixed with concrete frame that promoted is further fixed on rear column,
The two sides for promoting the one end of landing beam far from concrete frame pass through horizontal tectonics bar respectively and fix with concrete frame.
As a preferred solution: being fixed between the connecting rod and concrete frame on the interim steel column top by built-in fitting.
As a preferred solution: being fixed between the connecting rod and concrete frame of the interim steel column lower part by short column.
As a preferred solution: the promotion landing beam includes the i-shape steel beam and steel beam with box shape being welded to each other, and I-shaped
Section steel beam and steel beam with box shape junction two sides are equipped with the first stiffener.
As a preferred solution: the lifter is fixed on steel beam with box shape, one end of first stiffener is welded on work
The slot bottom of shaped girder steel, the other end and steel beam with box shape end are welded.
As a preferred solution: the interim suspender include platform board, connection cylinder and for on large structure under
Second stiffener of string ball bonding, the connection cylinder, the second stiffener are respectively welded at the upper and lower end face of platform board, and are used to
Third stiffener is also welded between the two sides and platform board of the connection cylinder connecting with steel strand wires.
As a preferred solution: being additionally provided with backing plate between the promotion landing beam and interim steel column.
The present invention is combined by using the extension of multiple lifting means, and lifting weight, span, area are unrestricted, and this
The lifting process of invention is fool proof, and rack can be locked in any position in lifting process, and any lifter can also
It individually adjusts, Adjustment precision is high, effectively raises the controllability of installation accuracy in structure lifting process.
The present invention uses flexible rigging load-bearing, as long as there is reasonable load-bearing suspension centre, hoisting depth is unrestricted；And the present invention
Lifter is small in size, promotion operation from heavy and light, large carrying capacity, particularly suitable for large scale equipment；Lifter of the invention
It is driven using hydraulic circuit, acceleration is minimum in action process, moves to equipment and lifting frame structure is elevated almost without additional
Load.
The operation of large-scale crane is eliminated using structure of the invention, can greatly save mechanical equipment, human resources；It can
Contraction in Site face is made full use of, it is advantageous to the overall duration control of engineering.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the structural schematic diagram of lifting device of the invention.
Fig. 3 is the overlooking structure diagram of lifting device of the invention.
Fig. 4 is the mounting structure schematic diagram of promotion landing beam and interim steel column of the invention.
Fig. 5 is the mounting structure schematic diagram of promotion landing beam and lifter of the invention.
Fig. 6 is the structural schematic diagram of interim suspender of the invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
A kind of rack entirety lift structure as shown in Figures 1 to 6, the multiple groups including 5 surrounding of large structure is arranged in
Lifting device, and every group of lifting device is fixed with the concrete frame with 5 surrounding of large structure respectively, the lifting device packet
It includes and promotes landing beam 1, lifter 2, interim steel column 4 and interim suspender 6, described one end for promoting landing beam 1 and concrete frame
Inner sidewall upper portion fix, the interim steel column 4 is vertically fixed on the other end for promoting landing beam 1, and interim steel column 4 and coagulation
Connecting rod 8 is additionally provided between native frame, the lifter 2 is fixed on the one end promoted on landing beam 1 far from concrete frame, institute
Interim suspender 6 is stated to connect by steel strand wires 3 with lifter 2.
The side of the lifter is also equipped with leading truck, and the export direction of leading truck is to facilitate installation oil pipe, sensor
Not influencing steel strand wires free fall is principle.Leading truck crossbeam is higher by day anchor about 1.5~2m of lifter, deviates in lifter
5~10cm of the heart is advisable.
Steel strand takes threading method from the bottom to top, i.e., penetrates from lifter bottom to top and be pierced by.It should make every Shu Gang as far as possible
Twisted wire bottom maintains an equal level, and the steel strand wires upper end put on is fixed by the collet and anchors of lifter.Device steel strand wires to be hoisted install
Bi Hou, then the lower end of steel wire bundle is penetrated in the corresponding interim suspender in underface, it is locked after adjusting.At the top of every table lifter
Reserved steel strand wires should be dredged along leading truck towards predetermined direction.
One end lower part fixed with concrete frame of landing beam 1 that promoted is further fixed on rear column 7, the promotion platform
The two sides of the one end of beam 1 far from concrete frame pass through horizontal tectonics bar 14 respectively and fix with concrete frame.Described promoted is put down
Backing plate 41 is additionally provided between platform beam 1 and interim steel column 4.
It is fixed by built-in fitting 9 between the connecting rod 8 and concrete frame on 4 top of interim steel column.The temporary steel
It is fixed by short column 10 between the connecting rod 8 and concrete frame of 4 lower part of column.Certainly, the connection on interim steel column 4 top and lower part
Structure can be selected according to the actual situation.
The landing beam 1 that promoted includes the i-shape steel beam 11 and steel beam with box shape 12 that are welded to each other, and i-shape steel beam 11
The first stiffener 13 is equipped with 12 junction two sides of steel beam with box shape.The lifter 2 is fixed on steel beam with box shape 12, and described
One end of one stiffener 13 is welded on the slot bottom of i-shape steel beam 11, and the other end and 12 end of steel beam with box shape are welded.
The interim suspender 6 includes platform board 15, connects cylinder 16 and for welding with the lower edge ball 19 on large structure 5
The second stiffener 17 connect, the connection cylinder 16, the second stiffener 17 are respectively welded at the upper and lower end face of platform board 15, and use
To be also welded with third stiffener 18 between the two sides and platform board 15 of the connection cylinder 16 connecting with steel strand wires 3.
Lifter of the invention is using hydraulic rockshaft as lifting machinery, and flexible steel twisted wire is as load-bearing rigging.It is hydraulic
Lifter is core-theaded type structure, using steel strand wires as rigging is promoted, there is that safe and reliable, supporting part own wt is light, transport is pacified
A series of particular advantages such as dress is convenient, centre need not splice.
Hydraulic rockshaft both ends upper and lower ends are wedge type anchorage, and steel strand wires are through upper and lower wedge-shaped anchorage, wedge type anchorage tool
There is unidirectional self-lock effect.It, can automatically lock steel strand wires when anchorage works (tight)；Anchorage do not work (pine) when, decontrol steel strand wires,
Steel strand wires can be up and down.
One process of hydraulic pressure lift process is one stroke of hydraulic rockshaft, and details are provided below, step 1: upper anchor
Tightly, steel strand wires are clamped；Step 2: master cylinder stretches cylinder, lifting heavy；Step 3: it casts anchor tight, clamps steel strand wires；Step 4: master cylinder
Miniature, upper anchors disengages；Step 5: upper anchor cylinder rises, and upper anchor is entirely loose；Step 6: master cylinder contracting cylinder, Hui Yuanwei.Work as hydraulic pressure lift
When the repetitive operation of device period, it is elevated weight and then moves up step by step.
The present invention also uses hydraulic pump source system to provide power, the liquid of every hydraulic pump source system drive for hydraulic rockshaft
It presses lifter quantity equal, improves the utilization rate of hydraulic pump source system；And it is mentioned by the way that Local Controller is hydraulic to more or separate unit
It rises device to be controlled and adjusted, executes the instruction of hydraulic synchronizing lifting computer control system and feedback data.
The invention also includes computer synchronous control and sensing and detecting system, which uses sensor monitoring and computer set
Middle control is transmitted by data feedback and control instruction, can automatically realize synchronization action, load balancing, posture correction, stress
Control, operation locking, process is shown and the multiple functions such as fault alarm.
Hydraulic synchronizing lifting system equipment of the invention is controlled using CAN bus and from master controller to hydraulic pressure lift
The three class control of device realizes independent real time monitoring and adjustment to each hydraulic rockshaft in system, so that hydraulic
The synchronous control accuracy of Synchronous lifting process is higher, and real-time is more preferable.
Operator can carry out hydraulic pressure lift by hydraulic synchronization computer control system man-machine interface in central control room
The observation of process and related data and (or) the publication of control instruction.
By the operation of man-computer interface, may be implemented automatic control, sequence (one-stroke movement), manually control with
And the crawl operation of separate unit lifter, to reach required Synchronous lifting in steel net frame integral hoisting mounting process, aerial
The particular/special requirements such as pose adjustment, the fine tuning of single-point grade.
It should be pointed out that above embodiments are only representative examples of the invention.The present invention can also there are many deformations.It is all
Any simple modification, equivalent change and modification to the above embodiments of essence according to the present invention are considered as belonging to this
The protection scope of invention.
Claims (8)
1. a kind of rack entirety lift structure, it is characterised in that: including the multiple groups promotion dress in large structure (5) surrounding is arranged
It sets, and every group of lifting device is fixed with the concrete frame with large structure (5) surrounding respectively, the lifting device includes mentioning
Rise landing beam (1), lifter (2), interim steel column (4) and interim suspender (6), described one end for promoting landing beam (1) and coagulation
The inner sidewall upper portion of native frame is fixed, and the interim steel column (4) is vertically fixed on the other end for promoting landing beam (1), and interim
It is additionally provided between steel column (4) and concrete frame connecting rod (8), the lifter (2) is fixed on separate in promotion landing beam (1)
One end of concrete frame, the interim suspender (6) are connect by steel strand wires (3) with lifter (2).
2. a kind of rack entirety lift structure according to claim 1, which is characterized in that it is characterized by: the promotion
One end lower part that landing beam (1) and concrete frame are fixed is further fixed on rear column (7), and the promotion landing beam (1) is far from mixed
The two sides of one end of solidifying soil frame pass through horizontal tectonics bar (14) respectively and fix with concrete frame.
3. a kind of rack entirety lift structure according to claim 1, which is characterized in that it is characterized by: described interim
It is fixed by built-in fitting (9) between the connecting rod (8) and concrete frame on steel column (4) top.
4. a kind of rack entirety lift structure according to claim 1, which is characterized in that it is characterized by: described interim
It is fixed by short column (10) between the connecting rod (8) and concrete frame of steel column (4) lower part.
5. a kind of rack entirety lift structure according to claim 1, which is characterized in that it is characterized by: the promotion
Landing beam (1) includes the i-shape steel beam (11) and steel beam with box shape (12) being welded to each other, and i-shape steel beam (11) and box steel
Beam (12) junction two sides are equipped with the first stiffener (13).
6. a kind of rack entirety lift structure according to claim 5, which is characterized in that it is characterized by: the promotion
Device (2) is fixed on steel beam with box shape (12), and one end of first stiffener (13) is welded on the slot bottom of i-shape steel beam (11),
The other end and steel beam with box shape (12) end are welded.
7. a kind of rack entirety lift structure according to claim 1, which is characterized in that it is characterized by: described interim
Suspender (6) include platform board (15), connection cylinder (16) and be used to lower edge ball (19) welding on large structure (5) the
Two stiffeners (17), connection cylinder (16), the second stiffener (17) are respectively welded at the upper and lower end face of platform board (15), and
Third stiffener is also welded between two sides and platform board (15) for the connection cylinder (16) connecting with steel strand wires (3)
(18)。
8. a kind of rack entirety lift structure according to claim 1, which is characterized in that it is characterized by: the promotion
Backing plate (41) are additionally provided between landing beam (1) and interim steel column (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910567788.7A CN110273478A (en) | 2019-06-27 | 2019-06-27 | A kind of rack entirety lift structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910567788.7A CN110273478A (en) | 2019-06-27 | 2019-06-27 | A kind of rack entirety lift structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110273478A true CN110273478A (en) | 2019-09-24 |
Family
ID=67962414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910567788.7A Pending CN110273478A (en) | 2019-06-27 | 2019-06-27 | A kind of rack entirety lift structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110273478A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113136961A (en) * | 2021-03-25 | 2021-07-20 | 中国建筑第八工程局有限公司 | Lifting structure for large-span truss and lifting method thereof |
| CN115215271A (en) * | 2022-09-21 | 2022-10-21 | 中铁城建集团第一工程有限公司 | Welding ball net rack and self-adaptive lifting method thereof |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10280543A (en) * | 1997-04-10 | 1998-10-20 | Tomoe Corp | Construction method of dome-like roof |
| CN101633483A (en) * | 2009-08-13 | 2010-01-27 | 上海市第一建筑有限公司 | Integral lifting apparatus for steel structure net rack |
| CN203891482U (en) * | 2014-04-18 | 2014-10-22 | 中建一局钢结构工程有限公司 | Anchoring point for net rack lifting |
| CN105064697A (en) * | 2015-07-15 | 2015-11-18 | 安徽跨宇钢结构网架工程有限公司 | Roof grid elevating method |
| CN204940886U (en) * | 2015-09-17 | 2016-01-06 | 成都东南钢结构有限公司 | A kind of mechanism of handling vestibule |
| CN105804400A (en) * | 2016-04-05 | 2016-07-27 | 中建局钢结构工程有限公司 | Hoisting construction method of curved truss |
| CN205654104U (en) * | 2016-05-09 | 2016-10-19 | 中国建筑第八工程局有限公司 | Steel construction lifting platform |
| CN205743035U (en) * | 2015-10-30 | 2016-11-30 | 天津三建建筑工程有限公司 | Assembled anchorage joint structure for spherical steel net frame integral hoisting |
| CN206034929U (en) * | 2016-09-09 | 2017-03-22 | 中建三局安装工程有限公司 | Hoisting frame of dress behind concrete square column capital |
| CN206769354U (en) * | 2017-05-10 | 2017-12-19 | 中城投集团第八工程局有限公司 | A kind of steel structure hoisting platform |
| CN108179816A (en) * | 2017-12-15 | 2018-06-19 | 浙江精工钢结构集团有限公司 | A kind of deviation sliding and lifting device and method |
| JP2018178481A (en) * | 2017-04-11 | 2018-11-15 | 大成建設株式会社 | Temporary support and roof frame construction method |
| CN210597630U (en) * | 2019-06-27 | 2020-05-22 | 巨匠建设集团股份有限公司 | Net rack integral lifting structure |
-
2019
- 2019-06-27 CN CN201910567788.7A patent/CN110273478A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10280543A (en) * | 1997-04-10 | 1998-10-20 | Tomoe Corp | Construction method of dome-like roof |
| CN101633483A (en) * | 2009-08-13 | 2010-01-27 | 上海市第一建筑有限公司 | Integral lifting apparatus for steel structure net rack |
| CN203891482U (en) * | 2014-04-18 | 2014-10-22 | 中建一局钢结构工程有限公司 | Anchoring point for net rack lifting |
| CN105064697A (en) * | 2015-07-15 | 2015-11-18 | 安徽跨宇钢结构网架工程有限公司 | Roof grid elevating method |
| CN204940886U (en) * | 2015-09-17 | 2016-01-06 | 成都东南钢结构有限公司 | A kind of mechanism of handling vestibule |
| CN205743035U (en) * | 2015-10-30 | 2016-11-30 | 天津三建建筑工程有限公司 | Assembled anchorage joint structure for spherical steel net frame integral hoisting |
| CN105804400A (en) * | 2016-04-05 | 2016-07-27 | 中建局钢结构工程有限公司 | Hoisting construction method of curved truss |
| CN205654104U (en) * | 2016-05-09 | 2016-10-19 | 中国建筑第八工程局有限公司 | Steel construction lifting platform |
| CN206034929U (en) * | 2016-09-09 | 2017-03-22 | 中建三局安装工程有限公司 | Hoisting frame of dress behind concrete square column capital |
| JP2018178481A (en) * | 2017-04-11 | 2018-11-15 | 大成建設株式会社 | Temporary support and roof frame construction method |
| CN206769354U (en) * | 2017-05-10 | 2017-12-19 | 中城投集团第八工程局有限公司 | A kind of steel structure hoisting platform |
| CN108179816A (en) * | 2017-12-15 | 2018-06-19 | 浙江精工钢结构集团有限公司 | A kind of deviation sliding and lifting device and method |
| CN210597630U (en) * | 2019-06-27 | 2020-05-22 | 巨匠建设集团股份有限公司 | Net rack integral lifting structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113136961A (en) * | 2021-03-25 | 2021-07-20 | 中国建筑第八工程局有限公司 | Lifting structure for large-span truss and lifting method thereof |
| CN115215271A (en) * | 2022-09-21 | 2022-10-21 | 中铁城建集团第一工程有限公司 | Welding ball net rack and self-adaptive lifting method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102146732B (en) | Extra-large-area hyperboloid welding ball network frame sliding construction method | |
| CN103669832B (en) | A kind of standard type Bailey bracket assembled jacking formwork system | |
| CN101537976B (en) | Dual-tower-mast giant self-lifting crane and following-carrying lifting method thereof | |
| CN103790234A (en) | Large-span truss hydraulic multi-point synchronous lifting construction method | |
| CN107989380A (en) | Steel truss gallery hydraulic synchronizing lifting construction technique | |
| CN102530732A (en) | Hydraulic hoisting, slipping and emplacing method and equipment for large scale press components | |
| CN110273478A (en) | A kind of rack entirety lift structure | |
| CN102080357A (en) | Integrated beam-falling device and method for steel pipe pier bailey beam cast-in-place bracket | |
| CN106812328A (en) | The overall two step lifting construction methods of a string prestressed steel structure rack with hanging layer | |
| CN105421792A (en) | Lifting construction process of modular steel structural components | |
| CN102786004B (en) | Integrally moving on-load hydraulic lifting system without mooring rope and lifting method | |
| CN103243726A (en) | Construction method for integrally and downward putting cofferdam ring beams by means of continuous jack method | |
| CN101723286B (en) | Large gas holder top lifting device and method | |
| CN105781210A (en) | Taper tower rack and tool section auxiliary cross-core type integral lifting construction method thereof | |
| CN106759909B (en) | Bearing structure system and its construction method are hung up under one kind | |
| CN205777580U (en) | A kind of automatic lifting discharging platform | |
| CN106567542A (en) | Super high-rise double tower building steel structure corridor assembling method | |
| CN112523520B (en) | Construction method of lifting protection platform for prefabricated building | |
| CN204174943U (en) | The synchronous hanging apparatus of super-large component | |
| CN201580960U (en) | Cabinet top lifting device of large-scale gas cabinet | |
| CN106193284B (en) | The installation method and mounting structure of large span space drop level continuous truss frame | |
| CN104828708B (en) | High-power transformer bell jar indoor vertical lifting device on the spot | |
| CN101985855B (en) | Novel intelligent external wall lifting scaffold | |
| CN203684708U (en) | Hydraulic multipoint synchronous lifting device | |
| CN102635070A (en) | Mutual-pulling type vertical turning construction method for steel towers of cable-stayed bridge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |