CN113202284A - High-stability protection device for high-rise building construction - Google Patents
High-stability protection device for high-rise building construction Download PDFInfo
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- CN113202284A CN113202284A CN202110554132.9A CN202110554132A CN113202284A CN 113202284 A CN113202284 A CN 113202284A CN 202110554132 A CN202110554132 A CN 202110554132A CN 113202284 A CN113202284 A CN 113202284A
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- 238000009435 building construction Methods 0.000 title claims abstract description 21
- 238000004804 winding Methods 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 24
- 230000008901 benefit Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
Abstract
The invention provides a high-stability protection device for high-rise building construction, which comprises a working platform, a lifting plate, two groups of guide devices and two groups of oppositely-arranged traction platforms, wherein the working platform is provided with a plurality of guide devices; each group of rotating devices comprises two first frame plates with fixed frames arranged at the top of the building body; one end of the rotating platform is rotatably connected with the two first frame plates through a rotating shaft, and the end part of the other end of the rotating platform is fixedly provided with a traction rope; each group of guiding devices comprises a moving device and a vertical rod arranged on the front side of the building body; the front end of one first frame plate is provided with a moving block through a moving device in a frame mode and is driven to move back and forth through the moving device; the upper end of the vertical rod is fixedly connected with the bottom of the moving block, and the lower end of the vertical rod penetrates through the lifting plate; the bottom of lifter plate is fixed and is provided with moving platform, and the work platform carriage is established in moving platform below to through the moving platform drive removal. The device can effectively avoid the shaking of the working platform through the matching of the traction platform and the guide device; the working platform can move back and forth to increase the allowable construction range.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a high-stability protection device for high-rise building construction.
Background
In China, residential buildings and high-rise buildings with the building height of more than 27m, and non-single-storey plants, warehouses and other civil buildings with the building height of more than 24m are called high-rise buildings. The high-rise building has certain economic benefit and environmental benefit for cities. The high-rise building contains a large number of people, and the connection distance between people is shortened through the internal structure of the building, so that the working efficiency is improved; the high-rise building occupies a small area and is suitable for a central city; in addition, the construction period of the high-rise building is short, and the investment of municipal construction can be reduced. Because the high-rise building has higher floors, the construction difficulty of the high-rise building is far higher than that of a common building, and constructors need to carry out reasonable layout and planning to construct an orderly and safe construction mode. When the external wall of a building is constructed, protection equipment for construction is needed to protect constructors during high-altitude operation.
The common overhead operation construction device at the present stage usually adopts a protective frame hung at high altitude and pulled by a steel wire rope as a construction platform, and the construction platform is pulled by the steel wire rope and is positioned in an overhead environment, so that the construction platform is easy to shake during construction, is easily influenced by high-altitude wind power, has poor safety and stability, and simultaneously has certain influence on floor construction; in addition, the construction platform protection frame body hung at high altitude has a limited allowable construction range, and the distance between the construction platform and a building cannot be adjusted according to construction requirements, so that high altitude construction is very inconvenient.
Therefore, the invention provides a high-stability protection device for high-rise building construction.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a protection device for high-stability building construction. The device can effectively avoid the shaking of the working platform through the matching of the traction platform and the guide device; the working platform can move horizontally to increase the allowable construction range.
In order to achieve the above purpose, the present invention provides the following technical solutions.
A high-stability protection device for high-rise building construction comprises a working platform, a lifting plate, two groups of guide devices and two groups of traction platforms which are arranged oppositely;
each group of traction platforms comprises a rope winding device, a rotating platform and a rotating device; each group of rotating devices comprises two first frame plates with fixed frames arranged at the top of the building body; one end of the rotating table is rotatably connected with the two first frame plates through a rotating shaft and is driven to rotate through a driving device, and a traction rope is fixedly arranged at the end part of the other end of the rotating table; the rope winding device is arranged at the top of the lifting plate, and the tail end of the traction rope is wound on the rope winding device and is wound and unwound through the rope winding device;
each group of guide devices comprises a moving device and a vertical rod arranged on the front side of the building body; the front end of one first frame plate is provided with a moving block in a erecting mode through the moving device, and the moving block is driven by the moving device to move back and forth; the upper end of the vertical rod is fixedly connected with the bottom of the moving block, and the lower end of the vertical rod penetrates through the lifting plate;
the bottom of lifter plate is fixed and is provided with moving platform, the work platform carriage is established moving platform below, and pass through moving platform drive removes.
Preferably, each set of said drive means comprises a first motor; the first motor fixing frame is arranged on the inner side of one first frame plate, and an output shaft of the first motor penetrates through the first frame plate and is in transmission connection with the rotating shaft through a synchronous belt structure; the other end of the rotating table is provided with a square groove, a rotating ring is arranged in the square groove through a rotating shaft rotating frame, and the outer wall of the rotating ring is fixedly connected with one end of the traction rope.
Preferably, each set of the moving devices comprises a first lead screw, a polished rod and a fixed plate; one end of the polished rod is fixedly connected with the front end of one first frame plate, the other end of the polished rod penetrates through the moving block and is fixedly connected with the fixed plate, and the moving block is in sliding fit with the polished rod; the first lead screw penetrates through the moving block and is in threaded fit with the moving block, one end of the first lead screw is rotatably connected with the fixed plate, and the other end of the first lead screw penetrates through the first frame plate and is rotatably connected with the first frame plate; the other end of the first frame plate is fixedly provided with a second motor, and an output shaft of the second motor is in transmission connection with the first lead screw.
Preferably, the mobile platform comprises a mobile station and a second lead screw; the two ends of the bottom of the lifting plate are both fixedly provided with second frame plates; the second lead screw penetrates through the mobile station and is in threaded fit with the mobile station; two ends of the second lead screw are respectively and rotatably connected with the two second frame plates; a third motor is fixedly arranged on the outer side of one second frame plate, and an output shaft of the third motor is in transmission connection with the second lead screw; the bottom of the mobile station is fixedly connected with the top of the working platform; the bottom of the working platform penetrates through a transverse rod, and two ends of the transverse rod are in sliding fit with the two vertical rod bodies.
Preferably, each set of rope winding devices comprises a rope winding shaft and a fourth motor; the rope winding shaft is erected at the top of the lifting plate through two mounting plates, the fourth motor is fixedly arranged on the outer side of one mounting plate, and an output shaft of the fourth motor is in transmission connection with the rope winding shaft; the tail end of the traction rope is fixedly connected with the rope winding shaft.
Preferably, a base is fixedly arranged at the bottom of the working platform, and the transverse rod is in sliding fit with the base; sliding sleeves are fixedly arranged at two ends of the transverse rod respectively, and the two sliding sleeves are in sliding fit with the vertical rod respectively.
Preferably, the device also comprises a limiting device erected at the bottom end of the vertical rod; the limiting device comprises a first limiting plate and a second limiting plate; the tail end of the vertical rod penetrates through the first limiting plate and is fixedly connected with the top of the second limiting plate, and a second spring is fixedly arranged between the first limiting plate and the second limiting plate; and a plurality of groups of damping rods are uniformly fixed between the first limiting plate and the second limiting plate in the circumferential direction.
Preferably, the device further comprises two groups of buffer devices, and the two groups of buffer devices are respectively arranged below the two rotating tables; each group of the buffer devices comprises a buffer plate and two buffer tables; two the cushion table all the top fixed connection of building body, two sets of the cushion table all through first spring with the buffer board is connected.
The invention has the beneficial effects that:
the invention provides a high-stability protection device for high-rise building construction, which is provided with a working platform capable of moving up and down, left and right, wherein the working platform is limited by two groups of vertical guide devices capable of moving back and forth and transverse guide rods, so that the working platform is prevented from shaking greatly during high-altitude operation; the distance between the working platform and the building body can be changed through the combination of the rotating platform and the movable guide device, and the adjustment can be carried out according to the construction requirements; the device can effectively increase the construction range by arranging the movable platform to drive the working platform to move; the limiting device is arranged at the tail end of the guide rod, so that the falling working platform can be buffered and protected in emergency situations such as disconnection of a traction rope and the like, and life threat to constructors caused by too high falling speed is avoided; the device is provided with multiunit buffer, can effectual support and cushion and rotate the platform, avoids drawing the too big damage that causes the building body of pulling force.
The invention is further described with reference to the following figures and examples.
Drawings
Fig. 1 is an overall configuration view of a protective device for high-stability high-rise building construction according to an embodiment of the present invention;
FIG. 2 is a partial structure view of a rotating device of the protection device for high-stability building construction according to the embodiment of the present invention;
FIG. 3 is a partial structural view of a buffer device of the protection device for high-stability building construction according to the embodiment of the present invention;
fig. 4 is a structural view of a protection module of the protection device for high-stability high-rise building construction according to the embodiment of the present invention.
In the figure: 1. a building body; 2. a vertical rod; 3. a sliding sleeve; 4. a base; 5. a working platform; 6. a second frame plate; 7. a mobile station; 8. a hauling rope; 9. a rotating table; 10. a rope winding shaft; 11. a lifting plate; 12. a third motor; 13. a second lead screw; 14. a transverse bar; 15. a fourth motor; 16. mounting a plate; 17. a first frame plate; 18. a first motor; 19. a rotating shaft; 20. a second motor; 21. a rotating ring; 22. a first lead screw; 23. a polish rod; 24. a moving block; 25. a fixing plate; 26. a buffer plate; 27. a first spring; 28. a buffer table; 29. a first limit plate; 30. a damping lever; 31. a second limiting plate; 32. a second spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Examples
A high-stability protection device for high-rise building construction is shown in figures 1-4 and comprises a working platform 5, a lifting plate 11, two groups of guide devices and two groups of traction platforms;
each group of traction platforms comprises a rotating platform 9 and a rotating device erected at the top of the building body 1; one end of the rotating table 9 is erected on the rotating device and is driven to rotate by the rotating device, and the end part of the other end of the rotating table is fixedly provided with a traction rope 8; two groups of rope winding devices are erected at the top of the lifting plate 11, and the tail end of each traction rope 8 is wound with the rope winding devices and is wound and unwound through the rope winding devices; specifically, as shown in fig. 2, each set of rotating devices includes two first frame plates 17 and a first motor 18, wherein the two first frame plates are fixed at the top of the building body 1; one end of the rotating table 9 is rotatably connected with the two first frame plates 17 through a rotating shaft 19, the other end of the rotating table is provided with a square groove, a rotating ring 21 is arranged in the square groove through a rotating shaft rotating frame, and the outer wall of the rotating ring 21 is fixedly connected with one end of the traction rope 8; the first motor 18 is fixedly arranged on the inner side of a first frame plate 17, and the output shaft of the first motor 18 passes through the first frame plate 17 and is in transmission connection with the rotating shaft 19 through a synchronous belt structure. The first motor 18 drives the synchronous belt structure to further drive the rotating shaft 19 to rotate, so that the angle of the rotating table 9 is changed, and the relative distance between the traction point of the traction rope 8 and the building body 1 can be changed;
further, each of the rope winding devices comprises a rope winding shaft 10 and a fourth motor 15, as shown in fig. 2; the rope winding shaft 10 is erected at the top of the lifting plate 11 through two mounting plates 16, a fourth motor 15 is fixedly arranged on the outer side of one mounting plate 16, and an output shaft of the fourth motor 15 is in transmission connection with the rope winding shaft 10; the end of the pulling rope 8 is fixedly connected with a rope winding shaft 10. The traction rope 8 can be retracted and wound by the rotation of the rope winding shaft 10 driven by the fourth motor 15, so that the height of the lifting plate 11 is changed, and finally the height of the working platform 5 is changed;
each set of guides comprises a moving device and a vertical bar 2, as shown in fig. 2; the front end of one first frame plate 17 is erected with a moving block 24 through a moving device, and the moving block 24 is driven by the moving device to move back and forth; one end of the vertical rod 2 is fixedly connected with the bottom of the moving block 24, and the other end of the vertical rod penetrates through the lifting plate 11 and is fixed with a limiting device; through the combination of the rotating platform 9 and the movable guide device, the distance between the working platform 5 and the building body 1 can be changed, and the adjustment can be carried out according to the construction requirements;
further, each set of moving devices comprises a first lead screw 22, a polished rod 23 and a fixed plate 25; one end of the polished rod 23 is fixedly connected with the front end of a first frame plate 17, the other end of the polished rod passes through a moving block 24 and is fixedly connected with a fixed plate 25, and the moving block 24 is in sliding fit with the polished rod 23; the first lead screw 22 penetrates through the moving block 24 and is in threaded fit with the moving block 24, one end of the first lead screw 22 is rotatably connected with the fixed plate 25, and the other end of the first lead screw penetrates through the first frame plate 17 and is rotatably connected with the first frame plate 17; the other end of the first frame plate 17 is fixedly provided with a second motor 20, and an output shaft of the second motor 20 is in transmission connection with a first lead screw 22; the second motor 20 is driven to rotate, so that the first lead screw 22 can be driven to rotate, and then the moving block 24 is driven to move back and forth;
a movable platform is fixedly arranged at the bottom of the lifting plate 11, as shown in fig. 1, a working platform 5 is fixedly arranged below the movable platform and is driven to move by the movable platform; a transverse rod 14 penetrates through the bottom of the working platform 5, and two ends of the transverse rod 14 are in sliding fit with the rod bodies of the two vertical rods 2; preferably, the bottom of the working platform 5 is fixedly provided with a base 4, and the transverse rod 14 is in sliding fit with the base 4; sliding sleeves 3 are fixedly arranged at two ends of the transverse rod 14 respectively, and the two sliding sleeves 3 are in sliding fit with the vertical rods 2 respectively. The vertical rod 2 is combined with the transverse rod 14, so that the position of the working platform 5 can be effectively limited, and severe shaking during operation is avoided;
specifically, the mobile platform comprises a mobile station 7 and a second lead screw 13; the two ends of the bottom of the lifting plate 11 are both fixedly provided with second frame plates 6; the second lead screw 13 passes through the mobile station 7 and is in threaded fit with the mobile station 7; two ends of the second lead screw 13 are respectively rotatably connected with the two second frame plates 6; a third motor 12 is fixedly arranged on the outer side of one second frame plate 6, and an output shaft of the third motor 12 is in transmission connection with a second lead screw 13; the bottom of the mobile station 7 is fixedly connected with the top of the working platform 5; through the combination of the third motor 12 and the screw rod structure, the mobile platform 7 is driven to move left and right along the second screw rod 13, so that the working platform 5 is driven to move left and right in the horizontal direction, and the construction allowable range can be effectively increased;
further, the stopper device includes a first stopper plate 29 and a second stopper plate 31, as shown in fig. 4; the tail end of the vertical rod 2 penetrates through the first limiting plate 29 and is fixedly connected with the top of the second limiting plate 31, and a second spring 32 is fixedly arranged between the first limiting plate 29 and the second limiting plate 31; a plurality of groups of damping rods 30 are uniformly fixed between the first limiting plate 29 and the second limiting plate 31 in the circumferential direction; through the plurality of buffer parts, the falling working platform 5 can be buffered and protected in emergency situations such as disconnection of the traction rope 8 and the like, and life threat to constructors caused by too high falling speed is avoided;
in addition, the device also comprises two groups of buffer devices, as shown in fig. 3, the two groups of buffer devices are respectively arranged below the two rotating tables 9; each set of cushioning devices comprises a cushioning plate 26 and two cushioning tables 28; the two buffer platforms 28 are fixedly connected with the top of the building body 1, and the two buffer platforms 28 are connected with the buffer plate 16 through first springs 27; through setting up spring unit, can effectual support and buffering swivel mount, avoid drawing the too big damage that causes the building body of pulling force.
In the present embodiment, the first and second electrodes are,
the working platform 5 is erected in front of the building body 1, and the lifting plate 11 is pulled through the traction rope 8, so that the working platform 5 is pulled in the air;
in order to ensure the stability of the working platform 5 in the air, the guide rod is arranged, the vertical rod 2 is combined with the transverse rod 14, so that the position of the working platform 5 can be effectively limited, and severe shaking during operation is avoided; furthermore, in emergency situations such as disconnection of the traction rope 8 and the like, the falling working platform 5 is protected in a buffering mode through limiting devices at the tail ends of the two vertical rods 2, and life threats to constructors due to too high falling speed are avoided;
adjusting the working position of the working platform 5:
(1) the first motor 18 drives the synchronous belt structure to further drive the rotating shaft 19 to rotate, so that the angle of the rotating table 9 is changed, and the relative distance between the traction point of the traction rope 8 and the building body 1 can be changed; the second motor 20 is driven to rotate, so that the first lead screw 22 can be driven to rotate, and then the moving block 24 is driven to move back and forth; through the combination of the rotating platform 9 and the movable guide device, the distance between the working platform 5 and the building body 1 can be changed, and the adjustment can be carried out according to the construction requirements;
(2) the traction rope 8 can be retracted and wound by the rotation of the rope winding shaft 10 driven by the fourth motor 15, so that the height of the lifting plate 11 is changed, and finally the height of the working platform 5 is changed;
(3) through the combination of the third motor 12 and the screw structure, the mobile platform 7 is driven to move left and right along the second screw 13, so as to drive the working platform 5 to move left and right in the horizontal direction, and the construction allowable range can be effectively increased.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A high-stability protection device for high-rise building construction is characterized by comprising a working platform (5), a lifting plate (11), two groups of guide devices and two groups of oppositely-arranged traction platforms;
each group of traction platforms comprises a rope winding device, a rotating platform (9) and a rotating device; each group of rotating devices comprises two first frame plates (17) with fixed frames arranged at the top of the building body (1); one end of the rotating table (9) is rotatably connected with the two first frame plates (17) through a rotating shaft (19) and is driven to rotate through a driving device, and the end part of the other end of the rotating table is fixedly provided with a traction rope (8); the rope winding device is arranged at the top of the lifting plate (11), and the tail end of the traction rope (8) is wound on the rope winding device and is wound and unwound through the rope winding device;
each group of guide devices comprises a moving device and a vertical rod (2) arranged on the front side of the building body (1); the front end of one first frame plate (17) is provided with a moving block (24) in a erecting mode through the moving device, and the moving block (24) is driven by the moving device to move back and forth; the upper end of the vertical rod (2) is fixedly connected with the bottom of the moving block (24), and the lower end of the vertical rod penetrates through the lifting plate (11);
the bottom of the lifting plate (11) is fixedly provided with a moving platform, and the working platform (5) is arranged below the moving platform in a sliding mode and is driven to move through the moving platform.
2. The high-stability protection device for high-rise building construction according to claim 1, wherein each set of the driving devices comprises a first motor (18); the first motor (18) is fixedly arranged on the inner side of one first frame plate (17), and an output shaft of the first motor (18) penetrates through the first frame plate (17) and is in transmission connection with the rotating shaft (19) through a synchronous belt structure; the other end of the rotating table (9) is provided with a square groove, a rotating ring (21) is arranged in the square groove through a rotating shaft rotating frame, and the outer wall of the rotating ring (21) is fixedly connected with one end of the traction rope (8).
3. The high-stability protective device for high-rise building construction according to claim 1, wherein each set of the moving devices comprises a first lead screw (22), a polish rod (23) and a fixing plate (25); one end of the polish rod (23) is fixedly connected with the front end of one first frame plate (17), the other end of the polish rod penetrates through the moving block (24) and is fixedly connected with the fixed plate (25), and the moving block (24) is in sliding fit with the polish rod (23); the first lead screw (22) penetrates through the moving block (24) and is in threaded fit with the moving block (24), one end of the first lead screw (22) is rotatably connected with the fixing plate (25), and the other end of the first lead screw penetrates through the first frame plate (17) and is rotatably connected with the first frame plate (17); the other end of the first frame plate (17) is fixedly provided with a second motor (20), and an output shaft of the second motor (20) is in transmission connection with the first lead screw (22).
4. The high-stability protection device for high-rise building construction according to claim 1, wherein the moving platform comprises a moving table (7) and a second lead screw (13); the two ends of the bottom of the lifting plate (11) are both fixedly provided with a second frame plate (6); the second lead screw (13) penetrates through the mobile station (7) and is in threaded fit with the mobile station (7); two ends of the second lead screw (13) are respectively and rotatably connected with the two second frame plates (6); a third motor (12) is fixedly arranged on the outer side of one second frame plate (6), and an output shaft of the third motor (12) is in transmission connection with the second lead screw (13); the bottom of the mobile station (7) is fixedly connected with the top of the working platform (5); the bottom of work platform (5) has passed horizontal pole (14), the both ends and two of horizontal pole (14) the body of rod sliding fit of vertical pole (2).
5. The high-stability high-rise building construction protection device according to claim 1, wherein each set of the rope winding devices comprises a rope winding shaft (10) and a fourth motor (15); the rope winding shaft (10) is erected at the top of the lifting plate (11) through two mounting plates (16), the fourth motor (15) is fixedly arranged on the outer side of one mounting plate (16), and an output shaft of the fourth motor (15) is in transmission connection with the rope winding shaft (10); the tail end of the traction rope (8) is fixedly connected with the rope winding shaft (10).
6. The high-stability protection device for high-rise building construction according to claim 4, wherein a base (4) is fixedly arranged at the bottom of the working platform (5), and the transverse rod (14) is in sliding fit with the base (4); sliding sleeves (3) are fixedly arranged at two ends of the transverse rod (14) respectively, and the two sliding sleeves (3) are in sliding fit with the vertical rod (2) respectively.
7. The protection device for high-stability high-rise building construction according to claim 1, further comprising a limiting device erected at the bottom end of the vertical rod (2); the limiting device comprises a first limiting plate (29) and a second limiting plate (31); the tail end of the vertical rod (2) penetrates through the first limiting plate (29) and is fixedly connected with the top of the second limiting plate (31), and a second spring (32) is fixedly arranged between the first limiting plate (29) and the second limiting plate (31); and a plurality of groups of damping rods (30) are uniformly fixed between the first limiting plate (29) and the second limiting plate (31) in the circumferential direction.
8. The protection device for high-stability high-rise building construction according to claim 1, further comprising two sets of buffer devices, wherein the two sets of buffer devices are respectively arranged below the two rotating tables (9); each group of the buffer devices comprises a buffer plate (26) and two buffer tables (28); two cushion blocks (28) all the top fixed connection of building body (1), two sets of cushion blocks (28) all through first spring (27) with buffer board (16) are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110554132.9A CN113202284A (en) | 2021-05-20 | 2021-05-20 | High-stability protection device for high-rise building construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110554132.9A CN113202284A (en) | 2021-05-20 | 2021-05-20 | High-stability protection device for high-rise building construction |
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| CN113202284A true CN113202284A (en) | 2021-08-03 |
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| CN202110554132.9A Pending CN113202284A (en) | 2021-05-20 | 2021-05-20 | High-stability protection device for high-rise building construction |
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| CN104295080A (en) * | 2014-08-21 | 2015-01-21 | 重庆广建装饰股份有限公司 | External wall hanging basket installing structure |
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Application publication date: 20210803 |
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| RJ01 | Rejection of invention patent application after publication |