CN108590172B - Integral lifting type elevator shaft template supporting mechanism - Google Patents
Integral lifting type elevator shaft template supporting mechanism Download PDFInfo
- Publication number
- CN108590172B CN108590172B CN201810375066.7A CN201810375066A CN108590172B CN 108590172 B CN108590172 B CN 108590172B CN 201810375066 A CN201810375066 A CN 201810375066A CN 108590172 B CN108590172 B CN 108590172B
- Authority
- CN
- China
- Prior art keywords
- template
- shaft
- supporting frame
- driven
- template supporting
- 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.)
- Active
Links
- 238000009415 formwork Methods 0.000 claims abstract description 53
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 239000003550 marker Substances 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000000712 assembly Effects 0.000 abstract description 13
- 238000000429 assembly Methods 0.000 abstract description 13
- 238000010276 construction Methods 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000000709 aorta Anatomy 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/20—Movable forms; Movable forms for moulding cylindrical, conical or hyperbolical structures; Templates serving as forms for positioning blocks or the like
- E04G11/28—Climbing forms, i.e. forms which are not in contact with the poured concrete during lifting from layer to layer and which are anchored in the hardened concrete
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses an integral lifting type elevator shaft formwork support mechanism, which comprises a formwork support frame and four inner formworks which are arranged in a rectangular array shape, wherein the four inner formworks surround the formwork support frame, the inner formworks are respectively connected with the formwork support frame through telescopic assemblies, and telescopic assemblies on all the inner formworks are driven by the same telescopic driving device to simultaneously approach or separate from the formwork support frame; after the shaft of the first floor is poured, the lifting mechanism lifts the formwork support frame and the attached inner formwork on the formwork support frame upwards again, so that the shaft of the first floor can be poured conveniently.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an integral lifting type elevator shaft template supporting mechanism.
Background
The elevator shaft is a passageway for the ascent or descent of a car elevator, which is an aorta of the entire high-rise building, and relates to the travel of all households, and is generally cast by floors. In the construction of traditional high-rise building, the construction of elevator shaft structure adopts the console scaffold to construct conventionally, and this kind of construction method is fairly complicated in the construction process of die filling and die removing, and intensity of labour is big, and work efficiency is low, and along with the increase of floor, the setting up, use and demolish of console scaffold have great potential safety hazard.
Disclosure of Invention
In order to solve the technical problems, the invention provides an integral lifting type elevator shaft template supporting mechanism.
The technical proposal is as follows:
an integral lifting type elevator shaft template supporting mechanism is characterized in that: the inner templates are enclosed to form a hollow cube structure with upper and lower openings, the inner templates are enclosed to the inner sides of the hollow cube structure, the inner templates are connected with the template supporting frames through telescopic assemblies respectively, and all the telescopic assemblies on the inner templates are driven by the same telescopic driving device to simultaneously approach or separate from the template supporting frames. When the technical scheme is adopted, a template supporting frame is lowered into the shaft by the lifting mechanism, the telescopic driving device drives the inner template of the shaft to be far away from the template supporting frame and matched with the outer template, and a pouring space is formed between the inner template and the outer template, so that four walls of the shaft can be conveniently poured simultaneously; after the shaft of one floor is poured, the inner template is driven by the telescopic driving device to be close to the template supporting frame, so that a certain gap is formed between the inner template and the poured shaft wall, the template supporting frame is conveniently lifted by the lifting mechanism, and further the shaft of the upper floor is poured.
As a further preferred option:
the telescopic assembly comprises a sleeve with internal threads and an adjusting rod with external threads, the sleeve is horizontally and fixedly arranged on the inner template, the adjusting rod is horizontally arranged on the template supporting frame through a rotary bearing, the outer end of the adjusting rod is in threaded connection with the sleeve, and a first belt pulley is arranged at the inner end of the adjusting rod;
the telescopic driving device comprises a driving shaft which is vertically arranged, the driving shaft is rotatably arranged on the template supporting frame, a driving bevel gear is arranged on the driving shaft, a driven shaft is rotatably arranged on the inner side surface of the template supporting frame corresponding to each inner template respectively, the axial lead of the driven shaft is perpendicular to the axial lead of the driving shaft, driven bevel gears are arranged on the driven shaft, all driven bevel gears on the driven shaft are meshed with the driving bevel gears at the same time, a second belt pulley is further arranged on the driven shaft, the first belt pulley and the corresponding second belt pulley are sleeved with the same driving belt, and the driving shaft is driven by a motor. By adopting the scheme, the motor drives the driving shaft to rotate, the driving bevel gear drives the four driven shafts to rotate simultaneously, and the second belt pulley on the driven shaft drives the corresponding first belt pulley and the adjusting rod to rotate, so that the sleeve is driven to advance or retreat on the corresponding adjusting rod, and the inner die plate is close to or far away from the die plate supporting frame.
And a speed reducer is further arranged between the motor and the driving shaft, an output shaft of the motor is connected with an input shaft of the speed reducer, and an output shaft of the speed reducer is connected with the driving shaft through a bevel gear pair. The lifting speed is conveniently controlled by adopting the scheme.
Four telescopic assemblies are respectively arranged between each inner template and each template supporting frame, the four telescopic assemblies are respectively close to four corners of the inner template, four second belt pulleys are arranged on the driven shafts corresponding to the inner templates, and the four first belt pulleys of the telescopic assemblies are respectively connected with the four second belt pulleys on the corresponding driven shafts in a one-to-one correspondence manner through the transmission belts.
The rotating bearing is a conical bearing. The conical bearing can bear radial load and axial load at the same time, and the radial and axial bearing force of the adjusting rod is larger when the adjusting rod rotationally adjusts the relative position of the inner die plate, so that the service life of the conical bearing can be effectively prolonged by adopting the conical bearing.
The inner template is an aluminum template, and the outer end of the sleeve is fixedly connected with the inner side surface of the aluminum template.
The beneficial effects are that: the telescopic driving device has the beneficial effects that the telescopic driving device is used for driving the four inner templates to be far away from the template supporting frame simultaneously and matched with the outer templates, and a pouring space is formed between the inner templates and the outer templates, so that four walls of a shaft can be conveniently poured simultaneously; after the shaft of one floor is poured, the inner template is driven by the telescopic driving device to be close to the template supporting frame, so that a certain yielding gap is formed between the inner template and the poured shaft wall, the template supporting frame and the attached inner template on the template supporting frame are conveniently lifted upwards, and further the shaft of the upper floor is poured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic illustration of the cooperation of an inner form with a form support frame through four telescoping assemblies;
FIG. 3 is a right side view of FIG. 2;
FIG. 4 is a schematic view of the invention mated with a post after deployment;
FIG. 5 is a schematic view of the present invention in a contracted state;
FIG. 6 is a schematic view of the present invention in use;
FIG. 7 is an enlarged view of section a of FIG. 6;
fig. 8 is a schematic plan view of a vertical indicator.
Detailed Description
The invention is further described below with reference to examples and figures.
As shown in fig. 1-3, an integrally lifting type elevator shaft formwork support mechanism comprises a formwork support frame 1 and four inner formworks 2, wherein the four inner formworks 2 are rectangular array-shaped and are enclosed to form a hollow cube structure with upper and lower openings, the four inner formworks 2 surround the formwork support frame 1 on the inner side of the formwork support frame, the inner formworks 2 are respectively connected with the formwork support frame 1 through telescopic assemblies, and all the telescopic assemblies on the inner formworks 2 are driven by the same telescopic driving device to simultaneously approach or separate from the formwork support frame 1.
The template support frame 1 is cube-shaped, four inner templates 2 are respectively opposite to four sides of the template support frame 1, and the inner templates 2 and the expansion plates are aluminum templates. The telescopic assembly comprises a sleeve 4 with internal threads and an adjusting rod 5 with external threads, the sleeve 4 is horizontally and fixedly arranged on the inner template 2, specifically, the outer end of the sleeve 4 is fixedly connected with the inner side surface of the aluminum template, the adjusting rod 5 is horizontally arranged on the template supporting frame 1 through a rotary bearing 6, the rotary bearing 6 is preferably a conical bearing, the outer end of the adjusting rod 5 is in threaded connection with the sleeve 4, and a first belt pulley 7 is arranged at the inner end of the adjusting rod 5;
the telescopic driving device comprises a driving shaft 8 vertically arranged on the inner side of a formwork support frame 1, the driving shaft 8 is rotatably arranged on the formwork support frame 1, a driving bevel gear 9 is fixedly arranged on the driving shaft 8, a driven shaft 10 is rotatably arranged on four inner side surfaces of the formwork support frame 1 corresponding to each inner formwork 2 respectively, the axial lead of the driven shaft 10 is perpendicular to the axial lead of the driving shaft 8 and parallel to the adjusting rod 5, driven bevel gears 11 are arranged on the driven shaft 10, all the driven bevel gears 11 on the driven shaft 10 are respectively meshed with the driving bevel gears 9 from four sides at the same time, a second belt pulley 12 is further arranged on the driven shaft 10, the first belt pulley 7 and the corresponding second belt pulley 12 are sleeved with the same driving belt 13, and the driving shaft 8 is driven by a motor 15.
In order to improve stability during adjustment, four telescopic assemblies are respectively arranged between each inner die plate 2 and each die plate supporting frame 1, the four telescopic assemblies are respectively close to four corners of each inner die plate 2, four second belt pulleys 12 are arranged on the driven shaft 10 corresponding to the inner die plates 2, and the four first belt pulleys 7 of the telescopic assemblies are respectively connected with the four second belt pulleys 12 on the corresponding driven shaft 10 in a one-to-one correspondence manner through driving belts 13.
The upper portion of template braced frame 1 still is equipped with elevating system, and this elevating system drive template braced frame 1 goes up and down, horizontal support plate is installed on the top of template braced frame 1, horizontal support plate hangs through the wire rope and establishes elevating system is last, can also see from the picture, driving shaft 8 rotatably installs in the horizontal support plate, the upper end of driving shaft 8 wears out horizontal support plate, be equipped with speed reducer 16 and motor 15 in the horizontal support plate, the output shaft of motor 15 with the input shaft of speed reducer 16 is connected, the output shaft of speed reducer 16 pass through the bevel gear pair with the upper end of driving shaft 8 is connected.
As shown in fig. 4-6, four square upright posts 3 are respectively fixed at four corners of a shaft, four upright posts 3 can also synchronously lift through the lifting device, when the shaft is poured, the lifting device is utilized to lower the formwork support frame 1 into the shaft, a motor 15 drives a driving shaft 8 to rotate, a driving bevel gear 9 drives four driven bevel gears 11 to rotate, and further drives four driven shafts 10 to rotate, a second belt pulley 12 on the driven shafts 10 transmits rotary motion to a corresponding first belt pulley 7, and drives an adjusting rod 5 to rotate, so that a sleeve 4 is screwed out of the adjusting rod 5, an inner formwork 2 is pushed away from the formwork support frame 1 and clamped between adjacent upright posts 3, the inner formwork 2 always slides along the side walls of the corresponding two upright posts 3 in the pushing-away process, the farthest pushing-away distance does not exceed the outer side surfaces of the corresponding upright posts 3, four inner formworks 2 are pushed away, four corners of a cube surrounded by the inner formworks are in an open state, the four outer formworks are filled up the spaces of the four corners, and are surrounded by the inner formworks 2 together, a closed structure is formed, the outer side of the structure is arranged, and the pouring of four outer formworks are sequentially connected with the four outer formworks in sequence, and the inner formworks and the corresponding space walls of the inner formworks can be formed by the inner formwork wall of the concrete pouring wall; when a shaft wall with a higher layer is required to be poured, after the inner template 2 is pulled to the template supporting frame 1, the inner template 2 is separated from the formed shaft wall, the template supporting frame 1 and the inner template 2 attached to the template supporting frame can be lifted upwards by using a lifting device, and pouring operation is repeated again.
As shown in fig. 7 and 8, in order to facilitate real-time observation of whether the formwork support frame 1 is in a vertical state, the top of the formwork support frame 1 is provided with a vertical indicator, the vertical indicator comprises indicator pins 1807 and four marker posts 1802, the four marker posts 1802 are distributed in a ring-shaped array and are fixedly installed above the formwork support frame 1 through first supporting frames 1801, the indicator pins 1807 are installed on the formwork support frame 1 in a swinging manner, the tip of the indicator pins 1807 faces upwards, when the formwork support frame 1 is in a vertical state, the tip of the indicator pins 1807 points to the ring-shaped array centers of the four marker posts 1802, when the formwork support frame 1 is inclined, the tip of the indicator pins 1807 deviates from the ring-shaped array centers of the four marker posts 1802, and by observing the tip of the indicator pins 1807, whether the formwork support frame 1 is kept vertical can be quickly observed, compared with a common bubble detector, and whether one side of the formwork support frame 1 is inclined can be quickly judged.
Further, the end of the pole 1802 near the indicator 1807 is in a smooth and enlarged shape, so that when the indicator 1807 is biased against the pole 1802, the friction between the indicator 1807 and the pole 1802 is small, and the indicator 1807 is not easy to wear.
In order to increase the sensitivity of the indicator 1807, the lower end of the indicator 1807 is connected with a pointer 1806, a second support 1804 is arranged on the template support frame 1 inside the first support 1801, a pointer mounting plate 1805 is arranged at the top of the second support 1804, a bowl-shaped hole is arranged on the pointer mounting plate 1805, the pointer 1806 is rollably arranged in the bowl-shaped hole, the lower bottom surface of the pointer 1806 is connected with a counterweight 1808, and the lower end of the counterweight 1808 sequentially moves through the bowl-shaped hole and the horizontal support plate of the template support frame 1 and then is connected with a counterweight 1803.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and that many similar changes can be made by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. An integrally lifting type elevator shaft template supporting mechanism which is characterized in that: the device comprises a template supporting frame (1) and four inner templates (2), wherein the four inner templates (2) are surrounded to form a hollow cube structure with upper and lower openings, the four inner templates (2) surround the template supporting frame (1) on the inner side of the hollow cube structure, the inner templates (2) are connected with the template supporting frame (1) through telescopic components, and the telescopic components on all the inner templates (2) are driven by the same telescopic driving device to simultaneously approach or separate from the template supporting frame (1);
the top of the template supporting frame (1) is provided with a vertical indicator, the vertical indicator comprises indicator pins (1807) and four marker posts (1802), the four marker posts (1802) are distributed in a ring-shaped array shape and are fixedly arranged above the template supporting frame (1) through a first supporting frame (1801), the indicator pins (1807) are arranged on the template supporting frame (1) in a swinging mode, and the needle points of the indicator pins (1807) face upwards;
one end of the marker post (1802) close to the indicator needle (1807) is in a smooth expansion shape;
the pointer is characterized in that the lower end of the pointer (1807) is connected with a pointer ball (1806), a second support frame (1804) is arranged on the template support frame (1) on the inner side of the first support frame (1801), a pointer mounting plate (1805) is arranged at the top of the second support frame (1804), a bowl-shaped hole is arranged on the pointer mounting plate (1805), the pointer ball (1806) is rollably arranged in the bowl-shaped hole, the lower bottom surface of the pointer ball (1806) is connected with a counterweight rod (1808), and the lower end of the counterweight rod (1808) sequentially moves through the bowl-shaped hole and the horizontal support plate of the template support frame (1) and then is connected with a counterweight block (1803).
2. The integrally lifting type elevator shaft formwork support mechanism as claimed in claim 1, wherein: the telescopic assembly comprises a sleeve (4) with internal threads and an adjusting rod (5) with external threads, the sleeve (4) is horizontally and fixedly arranged on the inner template (2), the adjusting rod (5) is horizontally arranged on the template supporting frame (1) through a rotary bearing (6), the outer end of the adjusting rod (5) is in threaded connection with the sleeve (4), and a first belt pulley (7) is arranged at the inner end of the adjusting rod (5);
the telescopic driving device comprises a driving shaft (8) which is vertically arranged, the driving shaft (8) is rotatably arranged on a template supporting frame (1), a driving bevel gear (9) is arranged on the driving shaft (8), a driven shaft (10) is rotatably arranged on the inner side surface of the template supporting frame (1) corresponding to each inner template (2) respectively, the axial lead of the driven shaft (10) is perpendicular to the axial lead of the driving shaft (8), driven bevel gears (11) are arranged on the driven shaft (10), all the driven bevel gears (11) on the driven shaft (10) are simultaneously meshed with the driving bevel gears (9), a second belt pulley (12) is further arranged on the driven shaft (10), one driving belt (13) is sleeved on the first belt pulley (7) and the corresponding second belt pulley (12), and the driving shaft (8) is driven by a motor (15).
3. The integrally lifting type elevator shaft formwork support mechanism as claimed in claim 2, wherein: a speed reducer (16) is further arranged between the motor (15) and the driving shaft (8), an output shaft of the motor (15) is connected with an input shaft of the speed reducer (16), and an output shaft of the speed reducer (16) is connected with the driving shaft (8) through a bevel gear pair.
4. A unitary lifting type elevator shaft formwork support mechanism as claimed in claim 2 or 3, wherein: four telescopic components are respectively arranged between each inner template (2) and each template supporting frame (1), the four telescopic components are respectively close to four corners of each inner template (2), four second belt pulleys (12) are arranged on the driven shaft (10) corresponding to the inner templates (2), and the four first belt pulleys (7) of the telescopic components are respectively connected with the four second belt pulleys (12) on the corresponding driven shaft (10) in a one-to-one correspondence manner through the transmission belt (13).
5. The integrally lifting elevator hoistway formwork support mechanism of claim 4, wherein: the rotary bearing (6) is a conical bearing.
6. The integrally lifting elevator hoistway formwork support mechanism of claim 4, wherein: the inner template (2) is an aluminum template, and the outer end of the sleeve (4) is fixedly connected with the inner side surface of the aluminum template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810375066.7A CN108590172B (en) | 2018-04-24 | 2018-04-24 | Integral lifting type elevator shaft template supporting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810375066.7A CN108590172B (en) | 2018-04-24 | 2018-04-24 | Integral lifting type elevator shaft template supporting mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108590172A CN108590172A (en) | 2018-09-28 |
| CN108590172B true CN108590172B (en) | 2023-11-03 |
Family
ID=63614632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810375066.7A Active CN108590172B (en) | 2018-04-24 | 2018-04-24 | Integral lifting type elevator shaft template supporting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108590172B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441090B (en) * | 2018-12-28 | 2023-09-22 | 重庆建工住宅建设有限公司 | Integral lifting elevator shaft construction platform |
| WO2022077841A1 (en) * | 2021-02-28 | 2022-04-21 | 昶旻(苏州)信息科技有限公司 | Disinfection treatment device for central air conditioner |
| CN113356067B (en) * | 2021-06-21 | 2022-11-15 | 重庆市江津钢模有限责任公司 | Road bridge steel mould structure with good supporting performance |
| CN115142676B (en) * | 2022-05-26 | 2024-03-01 | 广东耀南建设集团有限公司 | Supporting and positioning mechanism for inner barrel formwork of elevator shaft |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2295724Y (en) * | 1996-12-09 | 1998-10-28 | 刘国恩 | Telescopic formwork with rigid angles for elevator shaft |
| CN2460657Y (en) * | 2001-01-15 | 2001-11-21 | 北京联东模板有限公司 | Form for lift well |
| CN2475775Y (en) * | 2001-04-05 | 2002-02-06 | 北京康港模板公司 | Formwork for elevator well |
| CN202081640U (en) * | 2011-05-24 | 2011-12-21 | 南通十建集团有限公司 | Lifting formwork used for building of elevator shaft |
| CN208137422U (en) * | 2018-04-24 | 2018-11-23 | 重庆科技学院 | Integral lifting hoistway formwork support system |
-
2018
- 2018-04-24 CN CN201810375066.7A patent/CN108590172B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2295724Y (en) * | 1996-12-09 | 1998-10-28 | 刘国恩 | Telescopic formwork with rigid angles for elevator shaft |
| CN2460657Y (en) * | 2001-01-15 | 2001-11-21 | 北京联东模板有限公司 | Form for lift well |
| CN2475775Y (en) * | 2001-04-05 | 2002-02-06 | 北京康港模板公司 | Formwork for elevator well |
| CN202081640U (en) * | 2011-05-24 | 2011-12-21 | 南通十建集团有限公司 | Lifting formwork used for building of elevator shaft |
| CN208137422U (en) * | 2018-04-24 | 2018-11-23 | 重庆科技学院 | Integral lifting hoistway formwork support system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108590172A (en) | 2018-09-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108590172B (en) | Integral lifting type elevator shaft template supporting mechanism | |
| CN108412193B (en) | Inner formwork telescoping device for elevator shaft construction | |
| CN210508329U (en) | Splicing type indoor and outdoor extensible building scaffold | |
| CN109914769B (en) | Elevating platform for housing construction | |
| CN107522125A (en) | A kind of portable device for lifting of power engineering | |
| CN112661030B (en) | Hanging and connecting drag-and-drop device applied to steel framework and using method thereof | |
| CN206359150U (en) | A kind of hanging basket system | |
| CN110467113B (en) | Large-tonnage tunnel anchor cable saddle hoisting device and method | |
| CN105800527B (en) | A kind of construction material elevator | |
| KR101538893B1 (en) | Up-and-Down Type Runaway Approach Lamp Post | |
| CN205330157U (en) | Elevartor shaft integrally lift up template device | |
| JPH06263369A (en) | Elevator | |
| JPH09278325A (en) | Construction work elevator lifting method and construction work elevator device | |
| US1712340A (en) | Xamusement a apparatus | |
| CN111706052A (en) | Synchronous lifting device for building | |
| CN109231036B (en) | Building promotes panel with fixed steady equipment of hanging | |
| CN106013751A (en) | Stable lifting device for building | |
| CN214780489U (en) | High-rise building outer wall decoration construction device | |
| CN211817799U (en) | Scaffold safe in utilization | |
| KR101614655B1 (en) | Up-and-Down Type Runaway Approach Lamp Post | |
| CN211081722U (en) | Telescopic integral hoisting type derrick | |
| CN114704090B (en) | Lifting system for single-side formwork | |
| CN219138314U (en) | Construction hanging basket for house construction engineering | |
| CN216583977U (en) | Distribution network operation and maintenance platform | |
| CN219489422U (en) | Inner climbing type tower crane |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |