CN114412213B - Protective device and method for steel structure roof installation - Google Patents
Protective device and method for steel structure roof installation Download PDFInfo
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- CN114412213B CN114412213B CN202111595491.5A CN202111595491A CN114412213B CN 114412213 B CN114412213 B CN 114412213B CN 202111595491 A CN202111595491 A CN 202111595491A CN 114412213 B CN114412213 B CN 114412213B
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- 230000001681 protective effect Effects 0.000 title claims abstract description 225
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 104
- 239000010959 steel Substances 0.000 title claims abstract description 104
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000009434 installation Methods 0.000 title claims description 28
- 238000010276 construction Methods 0.000 claims abstract description 46
- 238000005192 partition Methods 0.000 claims abstract description 33
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004891 communication Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000004033 plastic Substances 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
- E04G21/3266—Safety nets
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention provides a protection device and a protection method for steel structure construction, which belong to the technical field of steel structures and are used for providing protection for the roof structure construction of the steel structure, wherein the protection device comprises a protection net guide rope arranged below the roof structure, a sliding ring sleeved on the protection net guide rope and a protection net connected with the protection net guide rope through the sliding ring; the protective net guide rope is longitudinally arranged along the roof structure, and two ends of the protective net guide rope are respectively fixed on a starting end steel column and a stopping end steel column of the steel structure; the middle of the protective net guide rope is divided into at least two protective units by a partition piece, and the protective units correspond to the roof structural units; the separation piece is used for limiting the protective net to slide out of the protective unit and is detachably connected with the protective net guide rope; the technical effects of reducing material loss and improving the construction efficiency of the steel structure are achieved.
Description
Technical Field
The invention relates to the technical field of steel structures, in particular to a protection device and method for steel structure roof installation.
Background
The steel structure is widely used in industrial plants, exhibition halls and the like because of the advantages of light weight, environmental protection, high efficiency, high industrialization degree and convenient construction. The steel structure comprises a steel column, a crane beam and a roof structure, wherein the roof structure comprises purlines, corner supports, roof trusses and the like, and the safety risk of constructors is increased due to complex structure, small parts and more overhead operations. In order to ensure the operation safety of constructors, protection is generally carried out by erecting a protection net below a roof. However, the disadvantages are as follows:
if the protection units are adopted to protect construction areas one by one, the roof structure construction is advanced, so that the protection units are required to be frequently disassembled, and a large amount of manpower and material resources are occupied;
if a fully covered protective structure is used, there is a lot of material wastage.
Therefore, there is a need for a protective device and method for steel structure roofing installation that is low in cost and high in protective efficiency.
Disclosure of Invention
The invention aims to provide a protection device and a protection method for steel structure roof installation, so as to achieve safe and efficient protection construction of roof installation in a steel structure.
The protection device for the steel structure roof installation is used for providing protection for the roof structure construction of a steel structure and comprises a protection net guide rope arranged below the roof structure, a sliding ring sleeved on the protection net guide rope and a protection net connected with the protection net guide rope through the sliding ring; wherein,,
the protective net guide rope is longitudinally arranged along the roof structure, and two ends of the protective net guide rope are respectively fixed on a starting end steel column and a stopping end steel column of the steel structure; the middle of the protective net guide rope is divided into at least two protective units by a partition piece, and the protective units correspond to the roof structural units; the partition piece is used for limiting the protective net to slide out of the protective unit, and the partition piece is detachably connected with the protective net guide rope.
Further, the preferable structure is that the partition is a rope guide supporting hook, and the rope guide supporting hook comprises a connecting end arranged at the bottom and a bearing end arranged at the top; wherein,,
the connecting end is fixed on the steel column, the bearing end is of a U-shaped structure with an opening at the top, and the protective net guide rope is erected in the bearing end.
Further, it is preferable that a traction rope for tensioning the protection net is provided at the front end of the protection net.
Further, it is preferable that the protective net has the same size as the roof structural unit.
Further, the preferable structure is that two rope guide supporting hooks are arranged on one steel column, and a limiting area for limiting the displacement of sliding rings at four corners of the protective net is formed between the two rope guide supporting hooks.
Further, the preferable structure is that a wear-resistant rubber sleeve for reducing the protective net guide rope is arranged in the bearing end of the guide rope supporting hook.
Further, the protection net is preferably formed by twisting steel wires and nylon.
The invention also provides a protection method for the installation of the steel structure roof,
a protective net guide rope is longitudinally arranged below the roof structure, and two ends of the protective net guide rope are respectively fixed on a starting end steel column and a stopping end steel column of the steel structure;
a sliding ring is sleeved on the protective net guide rope so that the protective net can slide relatively along the protective net guide rope, wherein the sliding ring is arranged at two sides of the protective net;
dividing the protective net guide rope into at least two protective units through a dividing piece according to the dividing position of the roof structural unit, so that the protective net slides in the protective units; wherein, the separating piece is detachably connected with the protective net guide rope;
when the construction of the current roof structural unit is finished and the construction of the next roof structural unit is carried out, separating a partition piece between the current roof structural unit and the next roof structural unit from a protective net guide rope, and sliding a sliding ring connected with the protective net to the protective net guide rope corresponding to the next roof structural unit;
connecting a partition piece between the current roof structural unit and the next roof structural unit with a protective net guide rope so that the protective net slides in a protective unit corresponding to the next roof structural unit;
and sequentially moving the protective net into the protective units below the roof structural units under construction until the construction is completed.
Further, the preferred method is that the separator is a rope guide bracket, the rope guide bracket comprises a connecting end arranged at the bottom and a bearing end arranged at the top; the connecting end is fixed on the steel column, the bearing end is of a U-shaped structure with an opening at the top, and the protective net guide rope is erected in the bearing end;
and taking out the protective net guide rope from the bearing end, so that the protective net guide rope is separated from the guide rope supporting hook, and the sliding ring connected with the protective net is slid into the protective unit corresponding to the roofing structural unit under construction.
As described above, the protection device and the method for installing the steel structure roof, which are disclosed by the invention, comprise a protection net guide rope arranged below the roof structure, a sliding ring sleeved on the protection net guide rope, and a protection net connected with the protection net guide rope through the sliding ring; the protective net guide rope is longitudinally arranged along the roof structure, and two ends of the protective net guide rope are respectively fixed on a starting end steel column and a stopping end steel column of the steel structure; the middle of the protective net guide rope is divided into at least two protective units by a partition piece, and the protective units correspond to the roof structural units; the partition piece is used for limiting the protective net to slide out of the protective unit, and the partition piece is detachably connected with the protective net guide rope. The beneficial effects are as follows:
1) Installing a protective net guide rope below the roof structure, moving the protective net to the position below a roof structure unit under construction according to the construction progress, and protecting constructors under construction; the problem of adopt full cover formula to build protective structure, a large amount of materials that lead to are extravagant is solved.
2) The protective net guide rope is divided into at least two protective units by adopting the partition piece to be arranged on the protective net guide rope, so that the protective net slides in the protective units; the separation piece is detachably connected with the protective net guide rope; when the protective net needs to be moved to the next protective unit, the protective net can be realized only by detaching the partition piece and the protective guide rope. The frequent construction and disassembly of the protection unit are not needed, and the problem that a large amount of manpower and material resources are occupied due to the frequent disassembly of the protection unit in the steel structure construction process is solved; the technical effects of reducing material loss and improving the construction efficiency of the steel structure are achieved.
Drawings
Other objects and results of the present invention will become more apparent and readily appreciated by reference to the following description and claims in conjunction with the accompanying drawings and a more complete understanding of the invention. In the drawings:
FIG. 1 is a schematic illustration of a scenario of a protective device for steel structural roofing installation according to an embodiment of the present invention;
FIG. 2 is another schematic view of a scenario of a protective device for steel structural roofing installation according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a protective device for steel structural roofing installation according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a rope guide bracket of a protective device for steel structural roofing installation according to an embodiment of the present invention;
fig. 5 is a schematic view of a scenario of a rope guide bracket of a protective device for steel structure roofing installation according to an embodiment of the invention.
Wherein,,
1. roof structure; 2. a protective net; 3. a steel column; 31. a starting end steel column; 32. terminating the end steel column; 4. A partition; 41. a connection end; 42. a carrying end; 5. a traction rope; 6. protective net guide ropes; 7. and a sliding ring.
Detailed Description
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.
It is to be understood that the terms "horizontal," "vertical," "upper," "lower," "top," "middle," "length," "inner," "bottom," and the like are merely used for convenience in describing and simplifying the description of the present invention, and are not to be construed as limiting the present invention, as the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation.
Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly, as they may be fixed, removable, or integral, for example; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In order to solve the problem in the construction process of the steel structure, a separation piece is arranged on a protective net guide rope, and the protective net guide rope is separated into at least two protective units, so that the protective net slides in the protective units; the separation piece is detachably connected with the protective net guide rope; when the protective net needs to be moved to the next protective unit, the protective net can be realized only by detaching the partition piece and the protective guide rope. The frequent construction and disassembly of the protection unit are not needed, and the problem that a large amount of manpower and material resources are occupied due to the frequent disassembly of the protection unit in the steel structure construction process is solved; the technical effects of reducing material loss and improving the construction efficiency of the steel structure are achieved.
Example 1
Various embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The roof structure is described in its entirety in fig. 1-5. Wherein fig. 1 is a schematic view of a scenario of a protective device for steel structure roofing installation according to an embodiment of the invention; FIG. 2 is another schematic view of a scenario of a protective device for steel structural roofing installation according to an embodiment of the present invention; FIG. 3 is a schematic structural view of a protective device for steel structural roofing installation according to an embodiment of the present invention; FIG. 4 is a schematic structural view of a rope guide bracket of a protective device for steel structural roofing installation according to an embodiment of the present invention; fig. 5 is a schematic view of a scenario of a rope guide bracket of a protective device for steel structure roofing installation according to an embodiment of the invention.
As shown in fig. 1 to 3, a protection device for installing a steel structure roof is used for providing protection for the construction of the steel structure roof, and comprises a protection net guide rope 6 arranged below the roof structure 1, a sliding ring 7 sleeved on the protection net guide rope 6, and a protection net 2 connected with the protection net guide rope 6 through the sliding ring 7; the protective net guide rope 6 is longitudinally arranged along the roof structure 1, and two ends of the protective net guide rope are respectively fixed on a starting end steel column 31 and a terminating end steel column 32 of the steel structure.
It should be noted that the steel structure comprises a steel column fixed on the ground of the factory building according to the design drawing and a roof structure arranged at the top end of the steel column. Because the whole roof structure area is larger, if the whole roof structure is assembled together, the whole roof structure is hoisted, so that the construction is inconvenient. Therefore, the roof structure is required to be divided into at least two roof structure units, the roof structure units are assembled one by one, then hoisting and installing are carried out one by one. The two protective net guide ropes 6 respectively penetrate through sliding rings 7 connected with the left side and the right side of the protective net 2, and then the two protective net guide ropes 6 are erected on the inner side of an upper column of the steel column to stretch the protective net. The size of the protective net is equivalent to the projection of each roof structural unit, and the protective net can slide back and forth to the required position on the guide rope by stretching.
In a specific implementation process, 2 protective net guide ropes 6 are erected on the inner side of a steel column 3 below a roof structure 1, and two ends of each protective net guide rope 6 are respectively fixed with a starting end steel column 31 and a terminating end steel column 32. In order to further improve the protection effect, the protection net guide rope 6 is arranged at the position of the upper column of the steel column. If the height of the protective net guide rope is set too low, the fall of the construction position of the protective net and the roof structure is large, and the risk of injury of constructors still exists in the protection process.
Specifically, the middle of the protective net guide rope 6 is divided into at least two protective units by the partition piece 4, and the protective units correspond to the roof structural units; the partition 4 is used for limiting the protective net 2 to slide out of the protective unit, and the partition 4 is detachably connected with the protective net guide rope 6. That is, by using a partition provided on the protection net guide rope, the protection net guide rope is partitioned into at least two protection units so that the protection net slides in the protection units; the separation piece is detachably connected with the protective net guide rope; when the protective net needs to be moved to the next protective unit, the protective net can be realized only by detaching the partition piece and the protective guide rope. The frequent construction and disassembly of the protection unit are not needed, and the problem that a large amount of manpower and material resources are occupied due to the frequent disassembly of the protection unit in the steel structure construction process is solved; the technical effects of reducing material loss and improving the construction efficiency of the steel structure are achieved.
As shown in fig. 4, in one particular embodiment, the divider 4 is a rope guide bracket that includes a connecting end 41 disposed at the bottom and a carrying end 42 disposed at the top; the connecting end 41 is fixed on the steel column 3, the bearing end 42 is of a U-shaped structure with an opening at the top, and the protective net guide rope 6 is erected in the bearing end 42. That is, the connecting end is a fixed end, the bearing end is a free end with the connecting end extending outwards, the bearing end is bent inwards to form a U-shaped inner cavity, and the top of the bearing end is opened, so that the protective net guide rope 6 can be pulled out or put in from the opening. In a specific implementation process, a guide rope supporting hook is welded on the inner side of the upper column of the steel column, and the guide rope supporting hook is a U-shaped device with an opening at the upper end and can be manufactured by cutting steel plates. The partition piece is arranged to be unhooked by the guide rope, so that the guide rope of the protective net can be borne on one hand, support points are added for the guide rope of the protective net, the bearing capacity of the protective net is improved, and the safety of the protective net can be improved; on the other hand, the partition piece 4 is used as a limiting device of the protective screen, when the protective guide rope is arranged in the bearing end of the guide rope unhooking, the sliding ring is blocked by the guide rope unhooking and cannot slide continuously, so that the partition piece 4 is used for limiting the protective screen 2 to slide out of the protective unit, and the protective screen only slides in the protective unit. Thereby increasing the safety of the protective net. In order to further increase the safety of the protective net, the protective net is formed by twisting steel wires and nylon.
As shown in fig. 5, as a modification of the present embodiment, in order to further promote the limit effect of the rope guide hooks on the sliding rings 7, two rope guide hooks are provided on one steel column 3, and a limit area for limiting the displacement of the sliding rings 7 at four corners of the protection net 2 is formed between the two rope guide hooks. That is, the protective net guide rope 6 adopts a steel wire rope wrapped with plastic leather, two ends of the protective net guide rope are respectively fixed with the steel column 3, and the middle of the protective net guide rope 6 is hung on the guide rope supporting hook. The guide rope supporting hooks are arranged on each steel column in pairs, and the sliding rings 7 are positioned between the two guide rope supporting hooks, so that sliding of the sliding ring devices at four corners of the protective net in the use process is prevented, and the stability and safety of the protective net are further improved. In order to further improve the service life of the protective net guide rope 6, a wear-resistant rubber sleeve for reducing the protective net guide rope 6 is arranged in the bearing end of the guide rope supporting hook.
In order to further improve the convenience of operation, a traction rope for stretching the protective net is arranged at the front end of the protective net. The movement of the protective net can be completed by stretching the traction rope on the ground, so that the overhead working time of constructors is reduced. Specifically, one traction rope is required to be provided at each of two corners of the front end of the protection net (i.e., the end near the movement direction of the protection net).
Specifically, after the roof structure of one unit is constructed, the protective net guide ropes at the guide rope supporting hooks in the moving direction of the protective net are lifted and separated from the guide rope supporting hooks, constructors stand on the crane beam to pull the traction ropes at two ends of the protective net to slide the protective net below the next roof unit, and when sliding ring devices at four corners of the protective net are positioned between the two guide rope supporting hooks, the guide ropes are hung on the guide rope supporting hooks, and at the moment, the sliding rings are just blocked between the two guide rope supporting hook plates to prevent sliding.
The invention also provides a protection method for the installation of the steel structure roof, which comprises the steps S110-S160.
S110, longitudinally arranging a protective net guide rope 6 below the roof structure 1, and respectively fixing two ends of the protective net guide rope 6 on a starting end steel column 31 and a stopping end steel column 32 of the steel structure;
s120, sleeving sliding rings 7 on the protective net guide ropes 6 to enable the protective net 2 to slide relatively along the protective net guide ropes 6, wherein the sliding rings 7 are arranged on two sides of the protective net 2;
s130, dividing the protective net guide rope 6 into at least two protective units through the dividing piece 4 according to the dividing position of the roof structural unit, so that the protective net 2 slides in the protective units; wherein, the separating piece 4 is detachably connected with the protective net guide rope 6;
s140, when the construction of the current roof structural unit is finished and the construction of the next roof structural unit is carried out, separating the partition piece 4 between the current roof structural unit and the next roof structural unit from the protective net guide rope 6, and sliding the sliding ring 7 connected with the protective net 2 to the position of the protective net guide rope 6 corresponding to the next roof structural unit;
s150, connecting a partition piece 4 between the current roof structural unit and the next roof structural unit with a protective net guide rope 6 so that the protective net 2 slides in a protective unit corresponding to the next roof structural unit;
and S160, sequentially moving the protective net 2 into the protective units below the roof structural units under construction until the construction is completed.
The partition 4 is a rope guide supporting hook, and the rope guide supporting hook comprises a connecting end 41 arranged at the bottom and a bearing end 42 arranged at the top; the connecting end 41 is fixed on the steel column 3, the bearing end 42 is of a U-shaped structure with an opening at the top, and the protective net guide rope 6 is erected in the bearing end 42; the protective net guide rope 6 is taken out from the bearing end 42, so that the protective net guide rope 6 is separated from the guide rope supporting hook, and the sliding ring 7 connected with the protective net 2 is slid into the protective unit corresponding to the roofing structural unit under construction.
The specific embodiments of the protection method for steel structure roof installation of the present invention refer to the protection device for steel structure roof installation, and will not be described herein.
In summary, the invention relates to a protection device and a method for installing a steel structure roof, wherein a protection net guide rope is arranged below a roof structure, and the protection net is moved to the position below a roof structure unit under construction according to the construction progress, so that constructors under construction are protected; the problem of adopt full cover formula to build protective structure, a large amount of materials that lead to are extravagant is solved. The protective net guide rope is divided into at least two protective units by adopting the partition piece to be arranged on the protective net guide rope, so that the protective net slides in the protective units; the separation piece is detachably connected with the protective net guide rope; when the protective net needs to be moved to the next protective unit, the protective net can be realized only by detaching the partition piece and the protective guide rope. The frequent construction and disassembly of the protection unit are not needed, and the problem that a large amount of manpower and material resources are occupied due to the frequent disassembly of the protection unit in the steel structure construction process is solved; the technical effects of reducing material loss and improving the construction efficiency of the steel structure are achieved.
However, it will be appreciated by those skilled in the art that various modifications may be made to the protective apparatus and method for steel structural roofing installations provided by the present invention described above without departing from the teachings of the present invention. Accordingly, the scope of the invention should be determined from the following claims.
Claims (6)
1. The protection device for the steel structure roof installation is used for providing protection for roof structure construction of a steel structure and is characterized by comprising a protection net guide rope arranged below the roof structure, a sliding ring sleeved on the protection net guide rope and a protection net connected with the protection net guide rope through the sliding ring; wherein,,
the protective net guide rope is longitudinally arranged along the roof structure, and two ends of the protective net guide rope are respectively fixed on a starting end steel column and a stopping end steel column of the steel structure; the middle of the protective net guide rope is divided into at least two protective units by a partition piece, and the protective units correspond to the roof structural units; the separation piece is used for limiting the protective net to slide out of the protective unit, and is detachably connected with the protective net guide rope; the partition piece is a rope guide supporting hook which comprises a connecting end arranged at the bottom and a bearing end arranged at the top; the connecting end is fixed on the steel column, the bearing end is of a U-shaped structure with an opening at the top, and the protective net guide rope is erected in the bearing end;
two rope guide supporting hooks are arranged on one steel column, and limiting areas for limiting the displacement of sliding rings at four corners of the protective net are formed between the two rope guide supporting hooks.
2. The protective device for steel structure roof installation according to claim 1, wherein a traction rope for tensioning the protective net is provided at a front end of the protective net.
3. The protective apparatus for steel structure roofing installation of claim 1 wherein the protective mesh is the same size as the roofing structural units.
4. The protective device for steel structure roofing installation of claim 1, wherein a wear resistant rubber sleeve for reducing the protective screen guide rope is disposed within the bearing end of the guide rope bracket.
5. The protective device for steel structure roofing installation of claim 1, wherein said protective mesh is formed of twisted steel wire and nylon.
6. A protection method for steel structure roof installation is characterized in that,
a protective net guide rope is longitudinally arranged below the roof structure, and two ends of the protective net guide rope are respectively fixed on a starting end steel column and a stopping end steel column of the steel structure;
a sliding ring is sleeved on the protective net guide rope so that the protective net can slide relatively along the protective net guide rope, wherein the sliding ring is arranged at two sides of the protective net;
dividing the protective net guide rope into at least two protective units through a dividing piece according to the dividing position of the roof structural unit, so that the protective net slides in the protective units; wherein the partition piece is detachably connected with the protective net guide rope; the partition piece is a rope guide supporting hook which comprises a connecting end arranged at the bottom and a bearing end arranged at the top; the connecting end is fixed on the steel column, the bearing end is of a U-shaped structure with an opening at the top, and the protective net guide rope is erected in the bearing end; taking out the protective net guide rope from the bearing end, so that the protective net guide rope is separated from the guide rope supporting hook, and the sliding ring connected with the protective net is slid into the protective unit corresponding to the roofing structural unit under construction; two rope guide supporting hooks are arranged on one steel column, and limiting areas for limiting the displacement of sliding rings at four corners of the protective net are formed between the two rope guide supporting hooks;
when the construction of the current roof structural unit is finished and the construction of the next roof structural unit is carried out, separating a partition piece between the current roof structural unit and the next roof structural unit from a protective net guide rope, and sliding a sliding ring connected with the protective net to the protective net guide rope corresponding to the next roof structural unit;
connecting a partition piece between the current roof structural unit and the next roof structural unit with a protective net guide rope so that the protective net slides in a protective unit corresponding to the next roof structural unit;
and sequentially moving the protective net into the protective units below the roof structural units under construction until the construction is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111595491.5A CN114412213B (en) | 2021-12-23 | 2021-12-23 | Protective device and method for steel structure roof installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111595491.5A CN114412213B (en) | 2021-12-23 | 2021-12-23 | Protective device and method for steel structure roof installation |
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| CN114412213A CN114412213A (en) | 2022-04-29 |
| CN114412213B true CN114412213B (en) | 2023-09-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117071930B (en) * | 2023-09-01 | 2024-04-19 | 安徽金鹏绿色建筑产业集团有限公司 | Movable intelligent safety net system for assembled factory building |
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| CN104499723A (en) * | 2014-12-12 | 2015-04-08 | 中国十七冶集团有限公司 | Movable safety net and installation method thereof |
| CN206448544U (en) * | 2017-01-19 | 2017-08-29 | 广西辉瑞建筑工程有限公司 | A kind of protection network of construction |
| CN206873971U (en) * | 2017-06-09 | 2018-01-12 | 广西建工集团第二安装建设有限公司 | A kind of moveable BIPV project roofing construction safety nets |
| CN111148877A (en) * | 2017-08-09 | 2020-05-12 | 迪安·普里斯 | Portable guardrail clamp |
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| CN114412213A (en) | 2022-04-29 |
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