CN110778095A - External protection frame of assembled structure - Google Patents
External protection frame of assembled structure Download PDFInfo
- Publication number
- CN110778095A CN110778095A CN201911063447.2A CN201911063447A CN110778095A CN 110778095 A CN110778095 A CN 110778095A CN 201911063447 A CN201911063447 A CN 201911063447A CN 110778095 A CN110778095 A CN 110778095A
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- wall
- protection
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- frame
- platform
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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
- E04G3/20—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by walls
-
- 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
- E04G5/14—Railings
-
- 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
- E04G5/16—Struts or stiffening rods, e.g. diagonal rods
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses an external hanging protection frame with an assembled structure, which comprises a supporting system, a platform and protection system and an attached wall system; the support system is mainly a triangular support and is formed by welding a horizontal chord, a vertical chord and an oblique chord; the platform and protection system mainly comprises an operation platform and a peripheral protection frame; the wall attaching system comprises a phi 32mm preformed hole reserved on the wall body of the prefabricated part, and after the outer wall of the prefabricated part on the construction layer is installed, the triangular bracket and the wall body are firmly installed through the M20 wall penetrating high-strength bolt. The invention has simple and convenient processing, firmness, reliability, simple assembly, labor and material saving and recycling.
Description
Technical Field
The invention relates to an external protective frame with an assembled structure.
Background
The outer wall system of the prefabricated concrete structure is continuously arranged into a whole, the wall is not easy to penetrate and the hole is not punched in the construction process, the prefabricated concrete structure does not have a large number of operation procedures such as outer wall painting and heat preservation, the construction load is small, and the outer scaffold only plays a role in operation and maintenance. The tradition formula fastener steel pipe scaffold frame of encorbelmenting, the component such as shaped steel, even wall spare of encorbelmenting need a large amount of wall holes when setting up, has not only destroyed the wholeness of outer wall, and sets up and demolish the process and can produce a large amount of quality potential safety hazards, uses neither economy nor safety in the assembled concrete structure outer wall.
Disclosure of Invention
The invention aims to provide an external hanging protection frame with an assembled structure, which is safe and good in use performance.
The technical solution of the invention is as follows:
the utility model provides an external protection frame of assembled structure, characterized by: comprises a supporting system, a platform and protection system and a wall attaching system; the support body system is mainly a triangular support and is formed by welding a horizontal chord member, a vertical chord member and an oblique chord member, wherein the horizontal chord member and the vertical chord member adopt 100# galvanized channel steel, and the oblique chord member adopts 60mm x 60mm x5mm galvanized profile steel; each tripod is connected into a whole by galvanized square steel, each 2-3 tripods form an external hanging rack unit body, the distance between every two tripods is not more than 2m, and each integral external hanging rack is not more than 6 m;
the platform and protection system mainly comprises an operation platform and a peripheral protection frame; the working platform is that a steel scaffold board with the thickness of 2mm is fully paved on a tripod, the edge part is 40x40 angle iron, and the periphery of the scaffold board is welded and connected with the side surface of square steel; the peripheral protective frame is a 1.8m high single-row steel protective frame, the distance between protective upright rods is 1.2m, the protective upright rods are made of galvanized steel with the thickness of 60mm x 60mm x5mm, and the protective upright rods are welded with the triangular supports; the horizontal protection rods are respectively arranged at the positions with the height of 0.55m and 1.3m, the horizontal protection rods adopt 50mmx50mmx5mm galvanized angle steel, the horizontal protection rods are connected with the protection upright rods in a welding manner, and the protection net adopts 25mmx25mmx3mm square grid iron net;
the wall attaching system comprises a reserved hole with the diameter of 32mm reserved on a prefabricated part wall body, after the prefabricated part outer wall of a construction layer is installed, the triangular bracket and the wall body are firmly installed through a wall penetrating high-strength bolt of M20, a double-layer nut and a 10mm steel gasket are additionally arranged on the inner side of the bolt, and the outer side end of the bolt is in a cone shape so as to be beneficial to the bolt to be drawn out of a frame body hole; each bracket is provided with an upper fulcrum and a lower fulcrum, wherein the hole distance of the outer wall is 850mm, the hole distance of the single-window outer wall pylon at the position of a through window is 1780mm, the hole distance of the outer wall pylon at the position of a toilet is 670mmm, the hole distance of the bay window pylon at the position of the through window is 1980mm, and the hole distance of the balcony hanging plate protection frame at the position is 700mm and corresponds to the position of a reserved hole of a wall body;
the external hanging protection frame is integrally hoisted by adopting a tower crane, a hoisting ring is made of round steel with the diameter of 14mm, and 4 hoisting points are welded on the upper part of square steel of each external hanging protection frame.
The mounting steps of the external hanging protection frame comprise:
after the components enter the field, the assembled external hanging rack is arranged on the prefabricated external wall panel; before the components are hoisted, the outer hanging rack can be arranged on the components in advance and hoisted together; the outer hanging rack is simultaneously lifted and installed on a construction floor along with the component.
Dismantling the outer hanging rack:
(1) after the structure is completely constructed, all the external hanging racks are dismantled;
(2) before lifting, loosening connecting objects such as a joint plate, a protective fence plate and the like between two frame bodies, and removing tools, materials and sundries on the platform;
(3) lifting needs the assistance of a tower crane on site, before operation, personnel outside the outer wall structure reliably hang a lifting steel wire rope on 4 lifting points, and leave the platform after confirming that the tower lifts the lifting steel wire rope to be slightly tightened;
(4) sequentially unscrewing the frame body connecting bolts by a scaffold worker on the inner side of the outer wall structure according to the sequence of up and down, naturally moving the frame body outwards under the action of lateral force generated by gravity after loosening, hoisting the hanger to the ground by using a tower crane after the frame body stops swinging, and disassembling to finish the disassembling of a tool type outer hanger;
(5) when the high-strength bolt is pushed out, in order to prevent the bolt from falling, the bolt is connected with the tripod by using an anti-falling chain;
(6) and continuously and sequentially dismantling other racks according to the program. Dismantling all the rod pieces on the ground, and after cleaning, respectively stacking the rod pieces in order;
(7) the general principle of dismantling the external hanging rack is as follows: the principle of firstly installing and then detaching and then installing and firstly detaching should be followed;
treating outer wall holes:
each prefabricated wall needs to be reserved with 4-6 holes with diameter of 32mm, the original polystyrene board part adopts foaming, and the inner leaf wall adopts micro-expansion impervious concrete and is totally 3-4 waterproof impervious materials. Foaming ensures the heat insulation performance, can completely avoid the cold bridge phenomenon of leakage of the reserved holes, and the hole-opening part can be covered by an external decorative line, thereby ensuring the later impression effect.
Compared with the traditional floor scaffold and the cantilever scaffold, the assembled type external protective frame with the structure is an external tool type protective frame which is simple and convenient to process, firm, reliable, simple to assemble, labor-saving, material-saving and recyclable, is used as a peripheral protective system of an assembled concrete structure, and can effectively solve the problem of safety protection in the field hoisting construction stage of the assembled concrete structure. The outer protection frame made of the galvanized material is bound to be increasingly applied to engineering buildings due to the advantages of high safety coefficient, convenience in mounting and dismounting, no need of anticorrosion operation, green material conservation, low cost and the like.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
FIG. 2 is a platform and guard architecture diagram.
Detailed Description
An external hanging protection frame with an assembled structure comprises a supporting system, a platform, a protection system and a wall attaching system; the support body system is mainly a triangular support and is formed by welding a horizontal chord member 1, a vertical chord member 2 and an oblique chord member 3, wherein the horizontal chord member and the vertical chord member adopt 100# galvanized channel steel, and the oblique chord member adopts 60mm x 60mm x5mm galvanized profile steel; each tripod is connected into a whole by galvanized square steel, each 2-3 tripods form an external hanging rack unit body, the distance between every two tripods is not more than 2m, and each integral external hanging rack is not more than 6 m;
the platform and protection system 8 mainly comprises an operation platform and a peripheral protection frame; the working platform is that a steel scaffold plate 4 with the thickness of 2mm is fully paved on a tripod, the edge part is 40mmx40mm angle iron, and the periphery of the scaffold plate is welded and connected with the side surface of square steel; the peripheral protective frame is a 1.8m high single-row steel protective frame, the distance between the protective vertical rods is 1.2m, the protective vertical rods are made of galvanized steel with the thickness of 60mm x 60mm x5mm, and the protective vertical rods are welded with the triangular supports; the horizontal protection rods 6 are respectively arranged at the positions with the height of 0.55m and 1.3m, the horizontal protection rods adopt 50mmx50mmx5mm galvanized angle steel, the horizontal protection rods are connected with the protection upright rods in a welding manner, and the protection net adopts 25mmx25mmx3mm square grid iron net;
the wall attaching system comprises a reserved hole with the diameter of 32mm reserved on a prefabricated part wall body, after the prefabricated part outer wall of a construction layer is installed, the triangular bracket and the wall body are firmly installed through a wall penetrating high-strength bolt 7 of M20, a double-layer nut and a 10mm steel gasket are additionally arranged on the inner side of the bolt, and the outer side end of the bolt is in a cone shape so as to be beneficial to the bolt to be drawn out from the hole of the frame body; each bracket is provided with an upper fulcrum and a lower fulcrum, wherein the hole distance of the outer wall is 850mm, the hole distance of the single-window outer wall pylon at the position of a through window is 1780mm, the hole distance of the outer wall pylon at the position of a toilet is 670mmm, the hole distance of the bay window pylon at the position of the through window is 1980mm, and the hole distance of the balcony hanging plate protection frame at the position is 700mm and corresponds to the position of a reserved hole of a wall body;
the external hanging protection frame is integrally hoisted by adopting a tower crane, a hoisting ring is made of round steel with the diameter of 14mm, and 4 hoisting points are welded on the upper part of square steel of each external hanging protection frame.
The mounting steps of the external hanging protection frame comprise:
after the components enter the field, the assembled external hanging rack is arranged on the prefabricated external wall panel; before the components are hoisted, the outer hanging rack can be arranged on the components in advance and hoisted together; the outer hanging rack is simultaneously lifted and installed on a construction floor along with the component.
Dismantling the outer hanging rack:
(1) after the structure is completely constructed, all the external hanging racks are dismantled;
(2) before lifting, loosening connecting objects such as a joint plate, a protective fence plate and the like between two frame bodies, and removing tools, materials and sundries on the platform;
(3) lifting needs the assistance of a tower crane on site, before operation, personnel outside the outer wall structure reliably hang a lifting steel wire rope on 4 lifting points, and leave the platform after confirming that the tower lifts the lifting steel wire rope to be slightly tightened;
(4) sequentially unscrewing the frame body connecting bolts by a scaffold worker on the inner side of the outer wall structure according to the sequence of up and down, naturally moving the frame body outwards under the action of lateral force generated by gravity after loosening, hoisting the hanger to the ground by using a tower crane after the frame body stops swinging, and disassembling to finish the disassembling of a tool type outer hanger;
(5) when the high-strength bolt is pushed out, in order to prevent the bolt from falling, the bolt is connected with the tripod by using an anti-falling chain;
(6) and continuously and sequentially dismantling other racks according to the program. Dismantling all the rod pieces on the ground, and after cleaning, respectively stacking the rod pieces in order;
(7) the general principle of dismantling the external hanging rack is as follows: the principle of firstly installing and then detaching and then installing and firstly detaching should be followed;
treating outer wall holes:
each prefabricated wall needs to be reserved with 4-6 holes with diameter of 32mm, the original polystyrene board part adopts foaming, and the inner leaf wall adopts micro-expansion impervious concrete and is totally 3-4 waterproof impervious materials. Foaming ensures the heat insulation performance, can completely avoid the cold bridge phenomenon of leakage of the reserved holes, and the hole-opening part can be covered by an external decorative line, thereby ensuring the later impression effect.
Claims (1)
1. The utility model provides an external protection frame of assembled structure, characterized by: comprises a supporting system, a platform and protection system and a wall attaching system; the support body system is mainly a triangular support and is formed by welding a horizontal chord member, a vertical chord member and an oblique chord member, wherein the horizontal chord member and the vertical chord member adopt 100# galvanized channel steel, and the oblique chord member adopts 60mm x 60mm x5mm galvanized profile steel; each tripod is connected into a whole by galvanized square steel, each 2-3 tripods form an external hanging rack unit body, the distance between every two tripods is not more than 2m, and each integral external hanging rack is not more than 6 m;
the platform and protection system mainly comprises an operation platform and a peripheral protection frame; the working platform is that a steel scaffold board with the thickness of 2mm is fully paved on a tripod, the edge part is 40x40 angle iron, and the periphery of the scaffold board is welded and connected with the side surface of square steel; the peripheral protective frame is a 1.8m high single-row steel protective frame, the distance between protective upright rods is 1.2m, the protective upright rods are made of galvanized steel with the thickness of 60mm x 60mm x5mm, and the protective upright rods are welded with the triangular supports; the horizontal protection rods are respectively arranged at the positions with the height of 0.55m and 1.3m, the horizontal protection rods adopt 50mmx50mmx5mm galvanized angle steel, the horizontal protection rods are connected with the protection upright rods in a welding manner, and the protection net adopts 25mmx25mmx3mm square grid iron net;
the wall attaching system comprises a reserved hole with the diameter of 32mm reserved on a prefabricated part wall body, after the prefabricated part outer wall of a construction layer is installed, the triangular bracket and the wall body are firmly installed through a wall penetrating high-strength bolt of M20, a double-layer nut and a 10mm steel gasket are additionally arranged on the inner side of the bolt, and the outer side end of the bolt is in a cone shape so as to be beneficial to the bolt to be drawn out of a frame body hole; each bracket is provided with an upper fulcrum and a lower fulcrum, wherein the hole distance of the outer wall is 850mm, the hole distance of the single-window outer wall pylon at the position of a through window is 1780mm, the hole distance of the outer wall pylon at the position of a toilet is 670mmm, the hole distance of the bay window pylon at the position of the through window is 1980mm, and the hole distance of the balcony hanging plate protection frame at the position is 700mm and corresponds to the position of a reserved hole of a wall body;
integrally hoisting the external hanging protection frame by adopting a tower crane, manufacturing a hoisting ring by using round steel with the diameter of 14mm, and welding 4 hoisting points on the upper part of square steel of each external hanging protection frame;
the mounting steps of the external hanging protection frame comprise:
after the components enter the field, the assembled external hanging rack is arranged on the prefabricated external wall panel; before the components are hoisted, the outer hanging rack can be arranged on the components in advance and hoisted together; the external hanging rack is simultaneously lifted and installed on a construction floor along with the component;
dismantling the outer hanging rack:
(1) after the structure is completely constructed, all the external hanging racks are dismantled;
(2) before lifting, loosening connecting objects such as a joint plate, a protective fence plate and the like between two frame bodies, and removing tools, materials and sundries on the platform;
(3) lifting needs the assistance of a tower crane on site, before operation, personnel outside the outer wall structure reliably hang a lifting steel wire rope on 4 lifting points, and leave the platform after confirming that the tower lifts the lifting steel wire rope to be slightly tightened;
(4) sequentially unscrewing the frame body connecting bolts by a scaffold worker on the inner side of the outer wall structure according to the sequence of up and down, naturally moving the frame body outwards under the action of lateral force generated by gravity after loosening, hoisting the hanger to the ground by using a tower crane after the frame body stops swinging, and disassembling to finish the disassembling of a tool type outer hanger;
(5) when the high-strength bolt is pushed out, in order to prevent the bolt from falling, the bolt is connected with the tripod by using an anti-falling chain;
(6) continuously and sequentially dismantling other trusses of hangers according to the program; dismantling all the rod pieces on the ground, and after cleaning, respectively stacking the rod pieces in order;
(7) the general principle of dismantling the external hanging rack is as follows: the principle of firstly installing and then detaching and then installing and firstly detaching should be followed;
treating outer wall holes:
each prefabricated wall needs to be reserved with 4-6 holes with diameter of 32mm, the original polystyrene board part adopts foaming, and the inner leaf wall adopts micro-expansion impervious concrete and is totally 3-4 waterproof impervious materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911063447.2A CN110778095A (en) | 2019-11-04 | 2019-11-04 | External protection frame of assembled structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911063447.2A CN110778095A (en) | 2019-11-04 | 2019-11-04 | External protection frame of assembled structure |
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| Publication Number | Publication Date |
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| CN110778095A true CN110778095A (en) | 2020-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911063447.2A Pending CN110778095A (en) | 2019-11-04 | 2019-11-04 | External protection frame of assembled structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738086A (en) * | 2021-09-10 | 2021-12-03 | 重庆一零七市政建设工程有限公司 | High and steep dangerous rock attached type operation platform |
| CN114165045A (en) * | 2021-12-20 | 2022-03-11 | 广东博昇建筑科技有限公司 | Safety protection frame and construction method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205063308U (en) * | 2015-10-16 | 2016-03-02 | 中民筑友有限公司 | Outer hanging protection frame and outer hanging protective structure |
| CN206289945U (en) * | 2017-03-24 | 2017-06-30 | 沈阳欣荣基建筑工程有限公司 | A kind of assembled Portable safety crosshead |
| CN107524284A (en) * | 2017-09-18 | 2017-12-29 | 山东天齐置业集团股份有限公司 | A kind of regularization pylon protection system and installation method |
| KR20190096187A (en) * | 2018-02-08 | 2019-08-19 | 서보산업 주식회사 | Prefabricated cage |
-
2019
- 2019-11-04 CN CN201911063447.2A patent/CN110778095A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205063308U (en) * | 2015-10-16 | 2016-03-02 | 中民筑友有限公司 | Outer hanging protection frame and outer hanging protective structure |
| CN206289945U (en) * | 2017-03-24 | 2017-06-30 | 沈阳欣荣基建筑工程有限公司 | A kind of assembled Portable safety crosshead |
| CN107524284A (en) * | 2017-09-18 | 2017-12-29 | 山东天齐置业集团股份有限公司 | A kind of regularization pylon protection system and installation method |
| KR20190096187A (en) * | 2018-02-08 | 2019-08-19 | 서보산업 주식회사 | Prefabricated cage |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738086A (en) * | 2021-09-10 | 2021-12-03 | 重庆一零七市政建设工程有限公司 | High and steep dangerous rock attached type operation platform |
| CN113738086B (en) * | 2021-09-10 | 2023-03-03 | 重庆一零七市政建设工程有限公司 | High and steep dangerous rock attached type operation platform |
| CN114165045A (en) * | 2021-12-20 | 2022-03-11 | 广东博昇建筑科技有限公司 | Safety protection frame and construction method thereof |
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Application publication date: 20200211 |
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| RJ01 | Rejection of invention patent application after publication |