CN116905788A - Width-adjustable hanging basket for building construction and use method thereof - Google Patents
Width-adjustable hanging basket for building construction and use method thereof Download PDFInfo
- Publication number
- CN116905788A CN116905788A CN202310190252.4A CN202310190252A CN116905788A CN 116905788 A CN116905788 A CN 116905788A CN 202310190252 A CN202310190252 A CN 202310190252A CN 116905788 A CN116905788 A CN 116905788A
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- China
- Prior art keywords
- hanging basket
- basket
- main body
- hanging
- bottom plate
- 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.)
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- 238000009435 building construction Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000010276 construction Methods 0.000 claims description 23
- 230000005484 gravity Effects 0.000 claims description 7
- 239000000178 monomer Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000009466 transformation 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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
-
- 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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
- E04G3/32—Hoisting devices; Safety devices
- E04G3/325—Safety devices for stabilising the mobile platform, e.g. to avoid it swinging in the wind
-
- 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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/001—Safety or protective measures against falling down relating to scaffoldings
-
- 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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
-
- 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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/08—Scaffold boards or planks
-
- 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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/14—Railings
- E04G5/142—Railings extensible or telescopic
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Movable Scaffolding (AREA)
Abstract
The invention discloses a hanging basket with adjustable width for building construction and a use method thereof, comprising a hanging basket main body, wherein an expansion operation platform is movably arranged on one side of the width direction of the hanging basket main body through a movable component, and the movable component can convexly arrange the expansion operation platform on one side of the hanging basket main body; the other side of the width direction of the hanging basket body is provided with a weight piece in an adjustable mode through an adjusting assembly, and the adjusting assembly can adjust the distance between the weight piece and the hanging basket body. This hanging flower basket can carry out epitaxial extension at its width direction, shortens the distance between hanging flower basket and the working face, improves the convenience of operation, still has focus adjustment ability, improves stability and the security of operation in-process, and overall structure is simple compact, the installation of being convenient for and dismantlement, and the practicality is strong.
Description
Technical Field
The invention relates to the technical field of hanging baskets for building construction, in particular to a hanging basket with adjustable width for building construction and a use method thereof.
Background
The building curtain wall is a product of building technology development, and is a peripheral protection structure integrating building technology and building art. Along with the development of scientific technology, the popularization and application range of the building curtain wall are widened, the technical content of the building curtain wall is increased, and new technology application is increased day by day, so that the building curtain wall has the characteristics of diversification, industrialization and modernization. In particular, the unitized curtain wall is widely popularized and applied to high-rise and other large-scale buildings. In order to pursue the building effect, a large-area inclined curtain wall is adopted, so that the curtain wall is inclined outwards more than one layer, and curtain wall projection lines of the upper layer are arranged on the outer side of the curtain wall of the lower layer. In the construction process of the curtain wall, a unit curtain wall support is usually installed firstly, and then auxiliary construction is carried out by using a hanging basket to install the curtain wall on the support. However, the conventional hanging basket can only move up and down along the vertical plane of the steel wire rope, and cannot meet the construction with a certain inclination angle, while the inclined curtain wall has a certain inclination angle, and the conventional hanging basket cannot be applied.
In addition, set up the window that wafts on some building structure outer walls, the outer wall protrusion of window is in the wall outside, when carrying out the surface spraying operation to the outer wall, because the setting of window structure that wafts makes the hanging flower basket that the operation used far away from the outer wall, causes great difficulty to the construction, and influences construction quality. The invention patent with the application number of CN202220708548.1 discloses a safe hanging basket, which changes the length of the hanging basket by arranging movable frames on two sides of a bottom frame, extends the length of the hanging basket, but cannot realize width adjustment.
Disclosure of Invention
The invention aims to provide a hanging basket with adjustable width for building construction and a use method thereof, the hanging basket can be extended in the width direction, the distance between the hanging basket and a working surface is shortened, the convenience of operation is improved, the gravity center adjusting capability is also provided, the stability and the safety in the operation process are improved, the whole structure is simple and compact, the installation and the disassembly are convenient, and the practicability is strong.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the width-adjustable hanging basket for building construction comprises a hanging basket main body, wherein an expansion operation platform is movably installed on one side of the hanging basket main body in the width direction through a movable assembly, and the movable assembly can enable the expansion operation platform to be convexly arranged on one side of the hanging basket main body; the other side of the width direction of the hanging basket main body is provided with a weight piece in an adjustable way through an adjusting assembly, and the adjusting assembly can adjust the distance between the weight piece and the hanging basket main body; the expansion operation platform comprises a supporting bottom plate and a lateral fence, wherein the supporting bottom plate is hinged to one side of the hanging basket main body, and two ends of the lateral fence are connected to the hanging basket main body through the movable assembly; the adjusting component comprises a guide rail fixedly arranged on the hanging basket body, a slide rod slidingly arranged on the guide rail, a rack fixedly arranged on the slide rod, a driving unit fixedly arranged on the hanging basket body and a gear in power connection with an output shaft of the driving unit, and the gear is in meshed connection with the rack.
Preferably, a limiting piece is arranged on the hanging basket main body or the side fence, and the limiting piece is used for limiting the limit position of the rotation of the supporting bottom plate to be flush with the bottom of the hanging basket main body.
Preferably, the movable assembly comprises a plurality of folding monomers connected through hinge hinges, and the side fence is convexly arranged on one side of the hanging basket body when the folding monomers are unfolded.
Preferably, the weight is fixedly mounted on the slide bar, and when the driving unit drives the gear to rotate, the slide bar slides linearly along the guide rail in a reciprocating manner through the rack.
Preferably, the basket body comprises a basket bottom plate, first rails arranged on two sides of the basket bottom plate and a second rail arranged between one sides of the two first rails, and the expansion operation platform is arranged between the other sides of the two first rails; and a sling driving assembly is fixedly arranged on the first fence and used for lifting the hanging basket body.
Preferably, one of said weight members is disposed on an opposite side of one of said extended operating platforms.
The application method of the width-adjustable hanging basket for building construction comprises the following steps of:
firstly, preparing before lifting, checking whether all parts are firmly fastened and have no blocking phenomenon, and lifting the hanging basket to be higher than the ground;
step two, the expansion operation platform is unfolded, a binding rope which keeps the expansion operation platform and the hanging basket main body in a folding state is loosened or a bolt is pulled out, the supporting bottom plate is rotated to be level with the bottom of the hanging basket main body, the lateral fence is unfolded to be in a frame structure, and the whole expansion operation platform is convexly arranged on one side of the hanging basket main body;
step three, adjusting a weight; an operator who performs high-altitude construction work stands on the extended operation table in place, and manually adjusts the driving unit by an adjusting person to enable the driving unit to drive the gear to rotate, so that the sliding rod fixedly provided with the counterweight piece can slide on the guide rail in a reciprocating and linear manner, and the gravity center of a hanging basket loaded with the operator can be adjusted through the reciprocating and linear sliding of the counterweight piece;
hoisting the hanging basket, the gravity center of which is adjusted, carrying the operating personnel to a construction point for construction operation;
and fourthly, expanding an operation platform to fold, safely lowering the hanging basket to the ground after finishing construction operation, enabling operators to leave from the hanging basket, enabling operators to rotate a supporting bottom plate to be attached to one side of the hanging basket body, folding a lateral fence to be attached to one side of the hanging basket body, and fixing the hanging basket body and the lateral fence.
According to the invention, when the expansion is not needed, the expansion operation platform is used as a lateral enclosure of the hanging basket main body, a working space is formed on the hanging basket bottom plate in cooperation with the first rail and the second rail, when the expansion is needed, the movable assembly is firstly unfolded to enable the lateral rail to be far away from the hanging basket main body, then the supporting bottom plate is turned over, the supporting bottom plate is arranged in parallel with the hanging basket bottom plate through the limiting piece, and finally the position of the weight piece is adjusted according to the balance condition of the hanging basket, so that the whole operation is stable and safe. The extension operation platform can be convexly arranged on one side of the hanging basket main body, so that the distance between an operator and a working surface is reduced, the construction operation of a concave area, a convex situation and a wall inclination situation can be adapted, and the convenience of the operation is improved. And extension operation platform and counterweight can install the improvement on current hanging flower basket structure, reduce manufacturing cost, and this structure whole detachability is strong, and easy operation is convenient.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of another embodiment of the present invention;
in the figure: 1. a basket body; 2. a movable assembly; 3. expanding an operation platform; 4. a limiting piece; 5. an adjustment assembly; 6. a weight member; 10. a basket bottom plate; 11. a first rail; 12. a second rail; 13. a sling drive assembly; 30. a support base plate; 31. a side rail; 50. a guide rail; 51. a slide bar; 52. a rack; 53. a driving unit; 54. a gear.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
the width-adjustable hanging basket for building construction as shown in fig. 1 and 2 comprises a hanging basket body 1, wherein the hanging basket body 1 comprises a hanging basket bottom plate 10, first fences 11 fixedly installed on two sides of the hanging basket bottom plate 10 in the length direction and second fences 12 fixedly installed between one sides of the two first fences 11, a sling driving assembly 13 is fixedly installed on the first fences 11, and the sling driving assembly 13 is matched with a steel wire rope to be used for lifting the hanging basket body 1. Specifically, the sling driving assembly 13 is composed of a driving motor, a wire rope guide wheel and a guide wheel, wherein the driving motor is fixedly arranged on the first fence 11, the wire rope guide wheel is fixedly arranged on an output shaft of the driving motor, the guide wheel is rotatably arranged on the first fence 11 and used for guiding a wire rope, and the driving motor drives the wire rope guide wheel to rotate so that the wire rope is wound or released, and lifting control of the hanging basket body 1 is achieved.
One or more extension operation platforms 3 are movably installed between the two first rails 11 on one side in the width direction of the basket body 1 through a movable assembly 2, in this embodiment, two extension operation platforms 3 are installed, and the movable assembly 2 may convexly install the extension operation platforms 3 on one side of the basket body 1. The extended operation platform 3 comprises a supporting base plate 30 and a side rail 31, wherein one end of the supporting base plate 30 is hinged on one side of the basket body 1, and two ends of the side rail 31 are connected to the basket body 1 through movable components 2. The movable assembly 2 includes a plurality of folding units connected by hinge, and the side rail 31 is protruded at one side of the basket body 1 when the plurality of folding units are unfolded. In this embodiment, two folding units are provided, and two ends of the movable assembly 2 are connected to the basket body 1 and the side rail 31, respectively, by hinges. A limiting member 4 is provided on the basket body 1 or the side rail 31, and a limit position of the limiting member 4 for limiting the rotation of the support base plate 30 is flush with the bottom of the basket body 1. In this embodiment, the stopper 4 is a chain which is in a tensioned state when the support base plate 30 is flush with the bottom of the basket body 1, and defines the rotation limit position of the support base plate 30 on one hand and protects the support base plate 30 on the other hand.
The weight 6 is adjustably mounted on the other side of the basket body 1 in the width direction (i.e., the opposite side of the second rail 12) through the adjusting assembly 5, and the distance between the weight 6 and the basket body 1 can be adjusted by the adjusting assembly 5. The adjusting assembly 5 comprises a guide rail 50 fixedly arranged on the hanging basket body 1, a slide bar 51 slidably arranged on the guide rail 50, a rack 52 fixedly arranged on the slide bar 51, a driving unit 53 fixedly arranged on the hanging basket body 1 and a gear 54 in power connection with an output shaft of the driving unit 53, wherein the gear 54 is in meshed connection with the rack 52, the counterweight 6 is fixedly arranged on the slide bar 51, and when the driving unit 53 drives the gear 54 to rotate, the slide bar 51 slides linearly along the guide rail 50 in a reciprocating manner through the rack 52. In this embodiment, two guide rails 50 are arranged in parallel at intervals, each guide rail 50 is slidably provided with a slide bar 51, and the driving unit 53 is a speed reducer, and of course, the input end of the speed reducer may be dynamically connected with a driving motor. One weight 6 is disposed on each of the opposite sides of the extended operating platform 3.
The application method of the width-adjustable hanging basket for building construction comprises the following steps of:
firstly, preparing before lifting, checking whether all parts are firmly fastened and have no blocking phenomenon, and lifting a hanging basket to a position 5 cm-20 cm higher than the ground by using a crane;
step two, the expansion operation platform 3 is unfolded, a binding rope which keeps the expansion operation platform 3 and the hanging basket body in a folding state is loosened or a bolt is pulled out, the supporting bottom plate 30 is rotated to be level with the bottom of the hanging basket body 1, the lateral fence 31 is unfolded to be in a frame structure, and the whole expansion operation platform 3 is convexly arranged on one side of the hanging basket body;
step three, adjusting a weight; an operator who performs high-altitude construction work stands on the extended operation table 3 in place, and manually adjusts the driving unit 53 by an adjusting person, so that the driving unit 53 drives the gear 54 to rotate, further, the sliding rod 51 fixedly provided with the weight 6 slides on the guide rail 50 in a reciprocating and linear manner, and the gravity center adjustment of a hanging basket loaded with the operator is realized through the reciprocating and linear sliding of the weight 6;
hoisting the hanging basket, the gravity center of which is adjusted, carrying the operating personnel to a construction point for construction operation;
and step four, the expansion operation platform 3 is folded, the hanging basket safely drops to the ground after the construction operation is completed, an operator leaves from the hanging basket, then the adjuster rotates the supporting bottom plate 30 to be attached to one side of the hanging basket main body 1, then the lateral fence 31 is folded to be attached to one side of the hanging basket main body 1, and finally the hanging basket main body 1 and the lateral fence 31 are bound by using a binding rope or inserted and fixed by a bolt.
The above embodiments are only a few descriptions of the inventive concept and implementation, and are not limited thereto, and the technical solutions without substantial transformation remain within the scope of protection under the inventive concept.
Claims (7)
1. The utility model provides a hanging flower basket of adjustable width for construction, includes hanging flower basket main part (1), its characterized in that: one side of the basket body (1) in the width direction is movably provided with one or more expansion operation platforms (3) through a movable assembly (2), and the movable assembly (2) can enable the expansion operation platforms (3) to be convexly arranged on one side of the basket body (1); one or more weight pieces (6) are adjustably mounted on the other side of the width direction of the hanging basket main body (1) through an adjusting component (5), and the distance between the weight pieces (6) and the hanging basket main body (1) can be adjusted through the adjusting component (5);
the expansion operation platform (3) comprises a supporting bottom plate (30) and a side rail (31), wherein the supporting bottom plate (30) is hinged to one side of the hanging basket body (1), and two ends of the side rail (31) are connected to the hanging basket body (1) through the movable assembly (2);
the adjusting assembly (5) comprises a guide rail (50) fixedly arranged on the hanging basket body (1), a sliding rod (51) slidably arranged on the guide rail (50), a rack (52) fixedly arranged on the sliding rod (51), a driving unit (53) fixedly arranged on the hanging basket body (1) and a gear (54) in power connection with an output shaft of the driving unit (53), wherein the gear (54) is in meshed connection with the rack (52).
2. The adjustable width basket for construction of claim 1, wherein: and a limiting piece (4) is arranged on the hanging basket main body (1) or the side rail (31), and the limiting piece (4) is used for limiting the limit position of the rotation of the supporting bottom plate (30) to be level with the bottom of the hanging basket main body (1).
3. A width adjustable basket for building construction according to claim 1 or 2, wherein: the movable assembly (2) comprises a plurality of folding monomers which are connected through hinge hinges, and the side rail (31) is convexly arranged on one side of the hanging basket body (1) when the folding monomers are unfolded.
4. The adjustable width basket for construction of claim 1, wherein: the counterweight (6) is fixedly arranged on the sliding rod (51), and when the driving unit (53) drives the gear (54) to rotate, the sliding rod (51) slides along the guide rail (50) in a reciprocating and linear mode through the rack (52).
5. A width adjustable basket for building construction according to claim 1 or 4, wherein: the hanging basket body (1) comprises a hanging basket bottom plate (10), first fences (11) arranged on two sides of the hanging basket bottom plate (10) and second fences (12) arranged between one sides of the two first fences (11), and the expansion operation platform (3) is arranged between the other sides of the two first fences (11); a sling driving assembly (13) is fixedly arranged on the first fence (11), and the sling driving assembly (13) is used for lifting the hanging basket body (1).
6. The adjustable width basket for construction of claim 1, wherein: -arranging one said weight (6) on the opposite side of each said extended operating platform (3).
7. A method of using a basket with adjustable width for construction according to any one of claims 1 to 6, comprising the steps of:
firstly, preparing before lifting, checking whether all parts are firmly fastened and have no blocking phenomenon, and lifting the hanging basket to be higher than the ground;
step two, the expansion operation platform (3) is unfolded, a binding rope which keeps the expansion operation platform (3) and the hanging basket main body in a folding state is loosened or a bolt is pulled out, the supporting bottom plate (30) is rotated to be level with the bottom of the hanging basket main body (1), the side rail (31) is unfolded to be in a frame structure, and the whole expansion operation platform (3) is convexly arranged on one side of the hanging basket main body;
step three, adjusting a weight; an operator who performs high-altitude construction work stands on the extended operation table (3), the driving unit (53) is manually adjusted by an adjuster, the driving unit (53) drives the gear (54) to rotate, further reciprocating linear sliding of the sliding rod (51) fixedly provided with the counterweight (6) on the guide rail (50) is realized, and gravity center adjustment of a hanging basket loaded with the operator is realized through the reciprocating linear sliding of the counterweight (6);
hoisting the hanging basket, the gravity center of which is adjusted, carrying the operating personnel to a construction point for construction operation;
and fourthly, expanding an operation platform (3), safely lowering the hanging basket to the ground after the construction operation is completed, enabling operators to leave from the hanging basket, enabling the operators to rotate a supporting bottom plate (30) until the supporting bottom plate is attached to one side of the hanging basket main body (1), then folding a lateral fence (31) until the supporting bottom plate is attached to one side of the hanging basket main body (1), and fixing the hanging basket main body (1) and the lateral fence (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310190252.4A CN116905788A (en) | 2023-03-02 | 2023-03-02 | Width-adjustable hanging basket for building construction and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310190252.4A CN116905788A (en) | 2023-03-02 | 2023-03-02 | Width-adjustable hanging basket for building construction and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116905788A true CN116905788A (en) | 2023-10-20 |
Family
ID=88355209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310190252.4A Withdrawn CN116905788A (en) | 2023-03-02 | 2023-03-02 | Width-adjustable hanging basket for building construction and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116905788A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101658202B1 (en) * | 2016-01-14 | 2016-09-22 | (주)디엔테크 | Adjustable Worktable of moving type |
| CN210508322U (en) * | 2019-03-13 | 2020-05-12 | 云南亿安建筑机械有限公司 | Folding hanging basket |
| CN111927077A (en) * | 2020-08-14 | 2020-11-13 | 赵明明 | High-rise safety protection platform for building engineering |
| CN215331384U (en) * | 2021-06-25 | 2021-12-28 | 中建科工集团有限公司 | Hanging basket |
| CN217028002U (en) * | 2022-04-08 | 2022-07-22 | 中国水利水电第三工程局有限公司 | Retractable safety device for high-altitude narrow space operation |
-
2023
- 2023-03-02 CN CN202310190252.4A patent/CN116905788A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101658202B1 (en) * | 2016-01-14 | 2016-09-22 | (주)디엔테크 | Adjustable Worktable of moving type |
| CN210508322U (en) * | 2019-03-13 | 2020-05-12 | 云南亿安建筑机械有限公司 | Folding hanging basket |
| CN111927077A (en) * | 2020-08-14 | 2020-11-13 | 赵明明 | High-rise safety protection platform for building engineering |
| CN215331384U (en) * | 2021-06-25 | 2021-12-28 | 中建科工集团有限公司 | Hanging basket |
| CN217028002U (en) * | 2022-04-08 | 2022-07-22 | 中国水利水电第三工程局有限公司 | Retractable safety device for high-altitude narrow space operation |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20231020 |