CN102777030A - Method for building up formwork construction platform of lift shaft - Google Patents
Method for building up formwork construction platform of lift shaft Download PDFInfo
- Publication number
- CN102777030A CN102777030A CN2012102773382A CN201210277338A CN102777030A CN 102777030 A CN102777030 A CN 102777030A CN 2012102773382 A CN2012102773382 A CN 2012102773382A CN 201210277338 A CN201210277338 A CN 201210277338A CN 102777030 A CN102777030 A CN 102777030A
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- platform
- support body
- well type
- type support
- 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
- 238000010276 construction Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000009415 formwork Methods 0.000 title abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 102
- 239000010959 steel Substances 0.000 claims description 102
- 238000009434 installation Methods 0.000 claims description 10
- 238000005553 drilling Methods 0.000 claims description 4
- 230000001737 promoting effect Effects 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 230000001976 improved effect Effects 0.000 abstract description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
Images
Landscapes
- Types And Forms Of Lifts (AREA)
Abstract
The invention discloses a method for building up a formwork construction platform of a lift shaft. The method comprises the following steps: 1, building up a platform; 2, building up a frame body; 3, installing a sliding support; 4, constructing a formwork; 5, concreting; 6, disassembling the formwork; and 7, lifting and hoisting the platform. With the adoption of the method provided by the invention, the platform can be moved upwards conveniently in a hoisted manner and can be fixed according to the requirement of the support to an operating platform by the formwork; the fixing method is simple and easy to operate, the safety performance is high, and the working efficiency can be improved.
Description
Technical field
The present invention relates to the erection method of template construction operating platform, relate in particular to setting up of a kind of elevator hoistways template construction platform.
Background technology
In the current highrise building concrete structure construction process; Template and support system thereof are bigger to workmanship and duration influence, in order to satisfy the requirement of template and support system, in industry, have produced multiple mould material and supporting form; In the concrete structure construction that with the template is the master; The formwork erection operating platform form of elevator shaft, the general employing landed scaffold or set up method such as temporary platform, and setting up the temporary platform main method has following 2 kinds:
1, adopt short scaffold tube, the holder of U type is inserted at two ends, adopts fastener to connect into intersecting parallels, tightens the holder of U type, on support circumferential concrete wall, lays flitch and template hard protection structure on intersecting parallels horizontal support platform top;
2, pre-buried diameter 20 above reinforcing bars in mixing concrete; Scaffold tube one end is enclosed within on the embedded bar head; One end connects the big bearing of beam with elevator door position; Form the horizontal simply supported beam of twice, top adopts two steel pipes and fastener to process intersecting parallels horizontal support platform, lays flitch and template hard protection structure on intersecting parallels horizontal support platform top;
The method of setting up with upper mounting plate all needs set aside pre-embedded for every layer, and security performance is relatively poor, is prone to security incident takes place, and the platform of setting up all need once be set up and removed for every layer, can not have enough to meet the need use.For this reason, need be a kind of practical, the operation platform that can have enough to meet the need, improves safety at the set-up time of shortening template operation platform.Satisfy the needs of elevator hoistways inner formword operation platform.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, provide a kind of installation simple and easy, remove conveniently, can have enough to meet the need a kind of elevator hoistways template construction Platforms Construct Method of Super of using and having improved operating efficiency through lifting.
A kind of elevator hoistways template construction Platforms Construct Method of Super of the present invention, it may further comprise the steps:
(1) platform is set up, and the step that described platform is set up is:
(a) two ends of two oblique steel pipes that are provided with are at interval tilted to be supported on respectively on the concrete wall on elevator door opposite and on the concrete floor of elevator shaft doorway;
(b) place oblique steel pipe near the below of elevator door one side and adopt cruciform fastening for falsework to be connected respectively short steel pipes with two oblique steel pipes;
(c) also adopt cruciform fastening for falsework to install respectively two the first horizontal steel pipe in location and horizontal steel pipe tops that place oblique steel pipe at interval, second location less than the elevator hoistways width perpendicular to oblique steel pipe locking;
(2) support body is set up, and the step that described support body is set up is:
On described platform, set up well type support body; Described well type support body is made up of perpendicular steel pipe, the first horizontal steel pipe and the second horizontal steel pipe, the 3rd horizontal steel pipe; The bottom of two perpendicular steel pipes in the left side of described well type support body leans against the inboard of the horizontal steel pipe in second location; The bottom of two perpendicular steel pipes on the right side of described well type support body leans against the inboard of the horizontal steel pipe in first location, and two perpendicular steel pipes on the right side of said well type support body link to each other with oblique steel pipe through a rotary buckle;
(3) installation of sliding support, the installation steps of described sliding support are:
(a) set up the right-angled intersection steel pipe frame that the steel pipe two ends all are equipped with universal wheel at the middle part of support body, universal wheel is pointed to four interior angles of the elevator hoistways of the floor of having accomplished concreting; Described right-angled intersection steel pipe frame links to each other with the perpendicular steel pipe of well type support body;
(b) establish flitch and template on decussation steel pipe support body upper berth;
(4) template construction: the derrick drilling setting up does to accomplish installing of Lift well mould plate;
(5) concreting: build the elevator shaft concrete together with the construction floor;
(6) form removable:, inner formword is placed on the well type support body when the elevator shaft concrete reaches intensity with form removable;
(7) platform promotes lifting, and the step that described platform promotes lifting is:
Use tower crane to promote hoisting platform,, platform is upwards promoted through interim suspension centre is set; When rising to the last layer that arrives template support floor; Adopt rope to carry out short steel pipes on the traction rotation platform, then platform is slowly fallen, through fixing once more of oblique steel pipe on the platform; Derrick integral body is placed in the hoistway, accomplishes once promoting lifting.。
Adopt the inventive method, platform can be through lifting, and it is movable to make progress easily, and fixes according to the needs of template support operation platform, and fixing means is simple, is prone to row, and security performance is reliable, can increase work efficiency.
Description of drawings
Fig. 1 is the sectional drawing of the platform set up in a kind of elevator hoistways template construction Platforms Construct Method of Super of the present invention;
Fig. 2 is the sectional drawing in the platform lifting process in a kind of elevator hoistways template construction Platforms Construct Method of Super of the present invention;
Fig. 3 is the vertical view of the platform shown in Fig. 1;
Fig. 4 is the vertical view of the cross steel pipe that adopts in a kind of elevator hoistways template construction Platforms Construct Method of Super of the present invention;
Fig. 5 is the vertical view of the well type support body set up in a kind of elevator hoistways template construction Platforms Construct Method of Super of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is done to describe in detail.
A kind of elevator hoistways template construction Platforms Construct Method of Super of the present invention shown in accompanying drawing; It may further comprise the steps: (1) platform is set up, and the step that described platform is set up is: (a) two ends of two oblique steel pipes 2 that are provided with are at interval tilted to be supported on respectively on the concrete wall on elevator door opposite and on the concrete floor of elevator shaft doorway; (b) place oblique steel pipe 2 near the below of elevator door one side and adopt cruciform fastening for falsework to be connected respectively short steel pipes 1 with two oblique steel pipes 2; (c) also adopt cruciform fastening for falsework to install respectively two the horizontal steel pipe 4 of the first horizontal steel pipe 3 in location and second location tops that place oblique steel pipe 2 at interval less than the elevator hoistways width perpendicular to oblique steel pipe 2 lockings; (2) support body is set up; The step that described support body is set up is: on described platform, set up well type support body; Described well type support body is made up of perpendicular steel pipe 5, the first horizontal steel pipe 6 and second horizontal steel pipe the 10, the 3rd horizontal steel pipe 13; The bottom of two perpendicular steel pipes in the left side of described well type support body leans against the inboard of the horizontal steel pipe 4 in second location; The bottom of two perpendicular steel pipes on the right side of described well type support body leans against the inboard of the horizontal steel pipe 3 in first location, and two perpendicular steel pipes on the right side of said well type support body link to each other with oblique steel pipe 2 through 2 rotary buckles 16; (3) installation of sliding support; The installation steps of described sliding support are: (a) set up the right-angled intersection steel pipe frame 11 that the steel pipe two ends all are equipped with universal wheel 12 at the middle part of support body, universal wheel is pointed to four interior angles of the elevator hoistways of the floor of having accomplished concreting; Described right-angled intersection steel pipe frame (11) links to each other with the perpendicular steel pipe (5) of well type support body; (b) establish flitch and template on decussation steel pipe support body upper berth; (4) template construction: the derrick drilling setting up does to accomplish installing of Lift well mould plate 17; (5) concreting: build elevator shaft concrete 15 together with the construction floor; (6) form removable:, inner formword is placed on the well type support body when the elevator shaft concrete reaches intensity with form removable; (7) platform promotes lifting, and the step that described platform promotes lifting is: use tower crane to promote hoisting platform, through interim suspension centre is set; Platform is upwards promoted, when rising to the last layer that arrives template support floor, adopt rope to carry out short steel pipes 1 on the traction rotation platform; Then platform is slowly fallen; Through fixing once more of oblique steel pipe 2 on the platform, derrick integral body is placed in the hoistway, accomplish once promoting lifting.9 is elevator hoistways safety protective doors among Fig. 1 and Fig. 2, and 7 and 15 all is concrete components, 7 concrete components of having built for the n layer, and 15 is n+1 layer concrete member, also cast.
(1) platform is set up, and the step that described platform is set up is: (a) two ends of two oblique steel pipes 2 that are provided with are at interval tilted to be supported on respectively on the concrete wall on elevator door opposite and on the concrete floor of elevator shaft doorway; (b) place oblique steel pipe 2 near the below of elevator door one side and adopt cruciform fastening for falsework to be connected respectively short steel pipes 1 with two oblique steel pipes 2; (c) also adopt cruciform fastening for falsework to install respectively two the horizontal steel pipe 4 of the first horizontal steel pipe 3 in location and second location tops that place oblique steel pipe 2 at interval less than the elevator hoistways width perpendicular to oblique steel pipe 2 lockings; (2) support body is set up; The step that described support body is set up is: on described platform, set up well type support body; Described well type support body is made up of perpendicular steel pipe 5, the first horizontal steel pipe 6 and second horizontal steel pipe the 10, the 3rd horizontal steel pipe 13; The bottom of two perpendicular steel pipes in the left side of described well type support body leans against the inboard of the horizontal steel pipe 4 in second location; The bottom of two perpendicular steel pipes on the right side of described well type support body leans against the inboard of the horizontal steel pipe 3 in first location, and two perpendicular steel pipes on the right side of said well type support body link to each other with oblique steel pipe 2 through 2 rotary buckles 16; (3) installation of sliding support; The installation steps of described sliding support are: (a) set up the right-angled intersection steel pipe frame 11 that the steel pipe two ends all are equipped with universal wheel 12 at the middle part of support body, universal wheel is pointed to four interior angles of the elevator hoistways of the floor of having accomplished concreting; Described right-angled intersection steel pipe frame (11) links to each other with the perpendicular steel pipe (5) of well type support body; (b) establish flitch and template on decussation steel pipe support body upper berth; (4) template construction: the derrick drilling setting up does to accomplish installing of Lift well mould plate 17; (5) concreting: build elevator shaft concrete 15 together with the construction floor; (6) form removable:, inner formword is placed on the well type support body when the elevator shaft concrete reaches intensity with form removable; (7) platform promotes lifting, and the step that described platform promotes lifting is: use tower crane to promote hoisting platform, through interim suspension centre is set; Platform is upwards promoted, when rising to the last layer that arrives template support floor, adopt rope to carry out short steel pipes 1 on the traction rotation platform; Then platform is slowly fallen; Through fixing once more of oblique steel pipe 2 on the platform, derrick integral body is placed in the hoistway, accomplish once promoting lifting.
Adopt this method security performance reliable through construction, can increase work efficiency, reduce the carrying of template, accelerated construction speed.
Claims (1)
1. elevator hoistways template construction Platforms Construct Method of Super is characterized in that it may further comprise the steps:
(1) platform is set up, and the step that described platform is set up is:
(a) two ends of two oblique steel pipes (2) that are provided with are at interval tilted to be supported on respectively on the concrete wall on elevator door opposite and on the concrete floor of elevator shaft doorway;
(b) place oblique steel pipe (2) near the below of elevator door one side and adopt cruciform fastening for falsework to be connected respectively short steel pipes (1) with two oblique steel pipes (2);
(c) two first horizontal steel pipes in location (3) and second less than the elevator hoistways width being located horizontal steel pipe (4) top that places oblique steel pipe (2) at interval also adopts cruciform fastening for falsework perpendicular to tiltedly steel pipe (2) locking installation respectively;
(2) support body is set up, and the step that described support body is set up is:
On described platform, set up well type support body; Described well type support body is made up of perpendicular steel pipe (5), the first horizontal steel pipe (6) and the second horizontal steel pipe (10), the 3rd horizontal steel pipe (13); The bottom of two perpendicular steel pipes in the left side of described well type support body leans against the inboard of the second horizontal steel pipe in location (4); The bottom of two perpendicular steel pipes on the right side of described well type support body leans against the inboard of the first horizontal steel pipe in location (3), and two perpendicular steel pipes on the right side of said well type support body link to each other with oblique steel pipe (2) through 2 rotary buckles (16);
(3) installation of sliding support, the installation steps of described sliding support are:
(a) set up the right-angled intersection steel pipe frame (11) that the steel pipe two ends all are equipped with universal wheel (12) at the middle part of support body, universal wheel is pointed to four interior angles of the elevator hoistways of the floor of having accomplished concreting; Described right-angled intersection steel pipe frame (11) links to each other with the perpendicular steel pipe (5) of well type support body;
(b) establish flitch and template on decussation steel pipe support body upper berth;
(4) template construction: the derrick drilling setting up does to accomplish installing of Lift well mould plate (17);
(5) concreting: build elevator shaft concrete (15) together with the construction floor;
(6) form removable:, inner formword is placed on the well type support body when the elevator shaft concrete reaches intensity with form removable;
(7) platform promotes lifting, and the step that described platform promotes lifting is:
Use tower crane to promote hoisting platform,, platform is upwards promoted through interim suspension centre is set; When rising to the last layer that arrives template support floor; Adopt rope to carry out short steel pipes on the traction rotation platform (1), then platform is slowly fallen, through fixing once more of oblique steel pipe (2) on the platform; Derrick integral body is placed in the hoistway, accomplishes once promoting lifting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102773382A CN102777030A (en) | 2012-08-06 | 2012-08-06 | Method for building up formwork construction platform of lift shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102773382A CN102777030A (en) | 2012-08-06 | 2012-08-06 | Method for building up formwork construction platform of lift shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102777030A true CN102777030A (en) | 2012-11-14 |
Family
ID=47122124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102773382A Pending CN102777030A (en) | 2012-08-06 | 2012-08-06 | Method for building up formwork construction platform of lift shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102777030A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103015694A (en) * | 2012-11-28 | 2013-04-03 | 泰兴市第一建筑安装工程有限公司 | Lifting type steel pipe scaffold operation platform for elevator hoistway |
| CN103174284A (en) * | 2013-03-20 | 2013-06-26 | 江苏扬州建工建设集团有限公司 | Lifting handling frame of construction of elevator shaft structure |
| CN104631822A (en) * | 2014-12-16 | 2015-05-20 | 中冶天工集团有限公司 | Construction Method of High-rise Reinforced Concrete Elevator Shaft |
| CN105155830A (en) * | 2015-09-11 | 2015-12-16 | 杭州江润科技有限公司 | Construction method for combined type fixed and integral lifting of elevator shaft stereotyped operation platform |
| CN106006301A (en) * | 2016-07-27 | 2016-10-12 | 中建局集团建设发展有限公司 | High-altitude switching assisting device and construction method of super-high-rise construction elevator |
| CN109610860A (en) * | 2018-12-21 | 2019-04-12 | 中建三局第三建设工程有限责任公司 | Elevator well opening simultaneous protection device in a kind of main structure construction |
| CN109972813A (en) * | 2019-04-29 | 2019-07-05 | 北京天恒建设集团有限公司 | Integrated form integral construction plateform system in a kind of elevator |
| CN112343064A (en) * | 2020-11-27 | 2021-02-09 | 中铁七局集团第五工程有限公司 | Construction method for dismantling large-section annular concrete support beam of deep foundation pit |
| CN114517575A (en) * | 2022-03-15 | 2022-05-20 | 中铁八局集团建筑工程有限公司 | Formwork-attached assembling type double-layer integral hoisting elevator shaft construction method |
| CN115095130A (en) * | 2022-07-22 | 2022-09-23 | 中国十七冶集团有限公司 | Aluminum film cast-in-place elevator shaft lifting multi-aspect protection operating platform and using method |
| CN115162699A (en) * | 2022-09-01 | 2022-10-11 | 中建八局第二建设有限公司 | Lifting type boarding passage in elevator shaft and construction method thereof |
| CN115217345A (en) * | 2022-07-31 | 2022-10-21 | 中冶建工集团有限公司 | Hard protection synchronous installation construction method for elevator shaft |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824910A (en) * | 2009-11-17 | 2010-09-08 | 新疆建工（集团）有限责任公司 | Quick template supporting construction method of elevator shaft |
| CN201714054U (en) * | 2010-06-28 | 2011-01-19 | 倪树华 | Climbing platform system for construction of elevator shaft of high-rise building |
| CN202090577U (en) * | 2011-05-24 | 2011-12-28 | 南通市中房建设工程有限公司 | Template supporting construction platform for lift wells in high-rise buildings |
| CN202117302U (en) * | 2011-06-07 | 2012-01-18 | 广州建筑股份有限公司 | Platform frame moving device |
-
2012
- 2012-08-06 CN CN2012102773382A patent/CN102777030A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824910A (en) * | 2009-11-17 | 2010-09-08 | 新疆建工（集团）有限责任公司 | Quick template supporting construction method of elevator shaft |
| CN201714054U (en) * | 2010-06-28 | 2011-01-19 | 倪树华 | Climbing platform system for construction of elevator shaft of high-rise building |
| CN202090577U (en) * | 2011-05-24 | 2011-12-28 | 南通市中房建设工程有限公司 | Template supporting construction platform for lift wells in high-rise buildings |
| CN202117302U (en) * | 2011-06-07 | 2012-01-18 | 广州建筑股份有限公司 | Platform frame moving device |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103015694A (en) * | 2012-11-28 | 2013-04-03 | 泰兴市第一建筑安装工程有限公司 | Lifting type steel pipe scaffold operation platform for elevator hoistway |
| CN103015694B (en) * | 2012-11-28 | 2015-07-01 | 泰兴市第一建筑安装工程有限公司 | Lifting type steel pipe scaffold operation platform for elevator hoistway |
| CN103174284A (en) * | 2013-03-20 | 2013-06-26 | 江苏扬州建工建设集团有限公司 | Lifting handling frame of construction of elevator shaft structure |
| CN104631822A (en) * | 2014-12-16 | 2015-05-20 | 中冶天工集团有限公司 | Construction Method of High-rise Reinforced Concrete Elevator Shaft |
| CN105155830A (en) * | 2015-09-11 | 2015-12-16 | 杭州江润科技有限公司 | Construction method for combined type fixed and integral lifting of elevator shaft stereotyped operation platform |
| CN106006301B (en) * | 2016-07-27 | 2018-01-16 | 中建一局集团建设发展有限公司 | A kind of Super High construction elevator high-altitude conversion servicing unit and construction method |
| CN106006301A (en) * | 2016-07-27 | 2016-10-12 | 中建局集团建设发展有限公司 | High-altitude switching assisting device and construction method of super-high-rise construction elevator |
| CN109610860A (en) * | 2018-12-21 | 2019-04-12 | 中建三局第三建设工程有限责任公司 | Elevator well opening simultaneous protection device in a kind of main structure construction |
| CN109610860B (en) * | 2018-12-21 | 2021-03-23 | 中建三局第三建设工程有限责任公司 | Synchronous protector of elevartor shaft entrance to a cave in major structure construction |
| CN109972813A (en) * | 2019-04-29 | 2019-07-05 | 北京天恒建设集团有限公司 | Integrated form integral construction plateform system in a kind of elevator |
| CN112343064A (en) * | 2020-11-27 | 2021-02-09 | 中铁七局集团第五工程有限公司 | Construction method for dismantling large-section annular concrete support beam of deep foundation pit |
| CN114517575A (en) * | 2022-03-15 | 2022-05-20 | 中铁八局集团建筑工程有限公司 | Formwork-attached assembling type double-layer integral hoisting elevator shaft construction method |
| CN115095130A (en) * | 2022-07-22 | 2022-09-23 | 中国十七冶集团有限公司 | Aluminum film cast-in-place elevator shaft lifting multi-aspect protection operating platform and using method |
| CN115217345A (en) * | 2022-07-31 | 2022-10-21 | 中冶建工集团有限公司 | Hard protection synchronous installation construction method for elevator shaft |
| CN115162699A (en) * | 2022-09-01 | 2022-10-11 | 中建八局第二建设有限公司 | Lifting type boarding passage in elevator shaft and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102777030A (en) | Method for building up formwork construction platform of lift shaft | |
| CN108033367B (en) | Synchronous lifting device and lifting method for steel column and cylinder frame alternately supported steel platform and tower crane | |
| CN202450774U (en) | Shaft template of small-step-pitch self-climbing elevator | |
| CN106437130A (en) | Inner roof external climbing type formwork construction platform for super high-rise building construction | |
| KR20180127066A (en) | Prefabricated shoring system | |
| CN105692470A (en) | Internal climbing tower crane and operating method thereof | |
| CN104480863B (en) | The steel anchor beam installation and locating method of Cable stayed Bridge Main Tower construction | |
| CN102877637A (en) | Method for implementing operating platform in bottom wall construction of cantilever beam | |
| JP6503716B2 (en) | Demolition system and demolition method | |
| CN106150057B (en) | A kind of split blade type hydraulic pressure lift climbing frame | |
| CN103132702A (en) | Longspan pipe truss pulling bar lifting and overhead rotating emplacing construction method | |
| CN108862081A (en) | A kind of chain block crane boom and the application in the adjusting of beam steel protective layer thickness | |
| CN103375022B (en) | Multi-functional dynamic rail attached lifting scaffold | |
| KR101364198B1 (en) | Variable scaffold for vuilding outer wall construction | |
| CN109252656B (en) | High-rise building climbing template and assembling, pouring and lifting method | |
| JP3074765U (en) | Pillar building construction system equipment | |
| KR100647977B1 (en) | Lifting method of formwork scaffolding with detachable cylinder and moving pump | |
| JP2010242308A (en) | Method for demolishing high-rise building of concrete slab structure, and concrete slab demolition equipment | |
| JPH09317183A (en) | Building construction method | |
| CN201649606U (en) | Following type elevator hoistway construction platform | |
| CN101240661A (en) | Large steel girder member bar turning device and its member bar turning method | |
| CN201635390U (en) | Automatic formwork supporting machine for high-rise building elevator shaft construction | |
| CN203867198U (en) | Slip equipment for high-rise steel structure transfer layer truss | |
| CN216305335U (en) | Assembled elevator shaft operating platform for high-rise building | |
| CN214656379U (en) | Integral steelframe platform rollover construction system of high mound hydraulic jacking |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121114 |