CN112942778A - Overhanging type double-row scaffold and construction method thereof - Google Patents

Overhanging type double-row scaffold and construction method thereof Download PDF

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Publication number
CN112942778A
CN112942778A CN202110310480.1A CN202110310480A CN112942778A CN 112942778 A CN112942778 A CN 112942778A CN 202110310480 A CN202110310480 A CN 202110310480A CN 112942778 A CN112942778 A CN 112942778A
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China
Prior art keywords
scaffold
floor slab
cantilever beam
overhanging
double
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Pending
Application number
CN202110310480.1A
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Chinese (zh)
Inventor
姜继果
薛晓宏
杨磊
刘德兵
吴红兵
段锋
黄正业
陈龙
张炜
周剑
樊洁
刘志强
许永枫
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Sixth Engineering Co Ltd of China Railway 20th Bureau Group Co Ltd
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Sixth Engineering Co Ltd of China Railway 20th Bureau Group Co Ltd
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Application filed by Sixth Engineering Co Ltd of China Railway 20th Bureau Group Co Ltd filed Critical Sixth Engineering Co Ltd of China Railway 20th Bureau Group Co Ltd
Priority to CN202110310480.1A priority Critical patent/CN112942778A/en
Publication of CN112942778A publication Critical patent/CN112942778A/en
Pending legal-status Critical Current

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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
    • E04G3/18—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by cantilevers or other provisions mounted in openings in the building, e.g. window openings
    • 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
    • E04G5/006—Scaffold with cantilevered sections, e.g. to accommodate overhangs or recesses in the facade
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The invention discloses an overhanging type double-row scaffold and a construction method thereof, wherein the overhanging type double-row scaffold is erected on a floor slab and comprises an anchoring part, an overhanging beam, a scaffold and a traction rope: the lower end of the anchoring piece is pre-buried in a lower floor slab; the cantilever beam is connected with the anchoring piece, and part of the cantilever beam is exposed out of the lower floor slab; the scaffold is erected on the part of the cantilever beam exposed out of the floor slab; one end of the traction rope is connected with one end of the cantilever beam exposed out of the floor slab, and the other end of the traction rope is connected with the upper floor slab. According to the invention, one end of the cantilever beam is fixed on the lower floor slab through the anchoring part, the other end of the cantilever beam is connected with the traction rope, and the traction rope is fixed on the upper floor slab to provide oblique upper-right traction force for the leakage end of the cantilever beam, so that 6 degrees of freedom of the cantilever beam are completely limited, therefore, the bearing capacity, rigidity and stability of the scaffold can be improved by erecting the scaffold on the cantilever beam, and the construction safety is ensured.

Description

Overhanging type double-row scaffold and construction method thereof
Technical Field
The invention relates to the field of building construction, in particular to an overhanging type double-row scaffold and a construction method thereof.
Background
Scaffolding refers to various supports erected on a construction site for workers to handle and solve vertical and horizontal transportation. The scaffold mainly comprises floor type double-row scaffolds and overhanging type double-row scaffolds in a classification mode according to a building mode for up-and-down construction of constructors or maintenance of peripheral safety nets and high-altitude installation of components, wherein the floor type double-row scaffolds are adopted for basements and first floors, and are dismantled after the two layers of overhanging scaffolds are completed, or are adopted at the side line contraction part of a tower on a skirt building and are erected to the top of the building. And erecting overhanging type double-row scaffolds on more than two layers, when the template house needs to be exposed out of the outer wall, re-erecting overhanging type double-row scaffolds from the upper layer of the template house, and detaching the outer frame of the layer where the template house is located after the construction of the outer wall of the template house is finished. When the adjacent height difference of different construction sections exceeds 2 layers, a cantilever frame needs to be erected on a section of vertical section with high construction height, and when another construction section is constructed to the bottom of the frame, the bottom section of the frame body is dismantled. The height of the segment is determined according to actual conditions. However, the existing scaffold has the problems of insufficient bearing capacity, rigidity and stability, and construction safety is affected.
Therefore, there is a need to provide a new overhanging double-row scaffold and a construction method thereof to solve the above technical problems.
Disclosure of Invention
The invention mainly aims to provide an overhanging type double-row scaffold, and aims to solve the problem that the construction safety is influenced due to the fact that the existing scaffold is insufficient in bearing capacity, rigidity and stability.
In order to achieve the purpose, the overhanging type double-row scaffold provided by the invention is erected on a floor slab and comprises an anchoring part, an overhanging beam, a scaffold and a traction rope; the lower end of the anchoring piece is pre-buried in a lower floor slab; the cantilever beam is connected with the anchoring piece, and part of the cantilever beam is exposed out of the lower floor slab; the scaffold is erected on the part of the cantilever beam exposed out of the floor slab; one end of the traction rope is connected with one end of the cantilever beam exposed out of the floor slab, and the other end of the traction rope is connected with the upper floor slab.
Preferably, the anchoring part comprises a cross beam, two support rods and two connecting rods, wherein two ends of the cross beam are bent downwards to form the two support rods, one side of any one support rod, which is away from the other support rod, is bent to form the connecting rod, and the parts of the two support rods, which are close to the connecting rods, and the two connecting rods are embedded in the lower floor slab; a mounting space is enclosed among the cross beam, the two support rods and the lower floor slab, and the cantilever beam is arranged in the mounting space.
Preferably, the two tie bars are welded to the embedment of the lower floor slab.
Preferably, the scaffold frame includes main body frame, holds carrier and safety net, and main body frame erects on the cantilever beam, holds carrier and sets up in main body frame's bottom, and safety net cover locates main body frame's periphery.
Preferably, the main body frame is formed by erecting a cross rod and a vertical rod, and the lower end of the vertical rod is connected with the cantilever beam; the overhanging type double-row scaffold further comprises a cross brace and an inclined brace, wherein the cross brace and the inclined brace are used for supporting and reinforcing the main body frame.
Preferably, be provided with a plurality of splice bars on the cantilever beam, all overlap on each splice bar and be equipped with the pole setting.
Preferably, the scaffold further comprises a skirting board connected with the main body frame and located at a lower side of the safety net.
Preferably, the number of the anchoring pieces is multiple, and the multiple anchoring pieces are arranged at intervals along the extending direction of the cantilever beam.
Preferably, the overhanging type double-row scaffold further comprises a hanging ring arranged on the upper floor, the first end of the traction rope is connected with the hanging ring, and the second end of the traction rope is sleeved on the overhanging beam.
The invention also provides a construction method of the overhanging type double-row scaffold, which is used for building the overhanging type double-row scaffold, and the construction method comprises the following steps:
when the floor slab concrete construction is carried out, an anchoring part is pre-embedded in a lower floor slab, and a hanging ring is pre-embedded in an upper floor slab;
after the lower floor slab concrete reaches the preset strength, the cantilever beam is discharged;
acquiring a traction rope, connecting one end of the traction rope to a lifting ring, and connecting the other end of the traction rope to the part of the cantilever beam exposed out of the lower floor slab;
and erecting a scaffold on the part of the cantilever beam exposed out of the lower floor slab to form the cantilever type double-row scaffold.
According to the technical scheme, one end of the cantilever beam is fixed on the lower floor slab through the anchoring part, the other end of the cantilever beam is connected with the traction rope, the traction rope is fixed on the upper floor slab to provide oblique and upward traction force for the leakage end of the cantilever beam, and 6 degrees of freedom of the cantilever beam are completely limited, so that the bearing capacity, the rigidity and the stability of the scaffold can be improved by erecting the scaffold on the cantilever beam, and the construction safety is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an overhanging double-row scaffold in an embodiment of the invention;
FIG. 2 is a schematic view of the mounting structure of the cantilever beam and the anchoring member in the embodiment of the invention;
FIG. 3 is a schematic view of the installation structure of the hauling cable in the embodiment of the invention;
fig. 4 is a schematic view of a connecting structure of the vertical rod and the connecting rib in the embodiment of the invention.
The reference numbers illustrate:
reference numerals Name (R) Reference numerals Name (R)
100 Overhanging type double-row scaffold 311 Cross bar
1 Anchoring piece 312 Vertical rod
11 Cross beam 32 Bearing part
12 Support rod 33 Safety net
13 Connecting rod 34 Skirting board
14 Installation space 4 Traction rope
2 Cantilever beam 51 Hanging ring
21 Connecting rib 52 Rope clip
3 Scaffold 201 Lower floor
31 Main body frame 202 Upper floor
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides an overhanging type double-row scaffold
As shown in fig. 1 to 4, in an embodiment of the present invention, an overhanging double-row scaffold 100 is erected on a floor, and the overhanging double-row scaffold 100 includes an anchoring member 1, an overhanging beam 2, a scaffold 3, and a pulling rope 4: the lower end of the anchoring part 1 is pre-buried in the lower floor 201; the cantilever beam 2 is connected with the anchoring part 1, and part of the cantilever beam 2 is exposed out of the floor slab; the scaffold 3 is erected on the part of the cantilever beam 2 exposed out of the floor slab; one end of the traction rope 4 is connected with one end of the cantilever beam 2 exposed out of the floor slab, and the other end of the traction rope 4 is connected with the upper floor slab 202.
Among the above-mentioned technical scheme, the one end of cantilever beam 2 is passed through anchor assembly 1 and is fixed on lower floor 201, and the other end of cantilever beam 2 is connected with haulage rope 4, and through fixing haulage rope 4 and providing the upper right traction force of slant for the end that spills of cantilever beam 2 on upper floor 202, 6 degrees of freedom of cantilever beam 2 are injectd completely, from this, erect scaffold frame 3 and can improve bearing capacity, rigidity and the stability of scaffold frame 3 on cantilever beam 2, guarantee construction safety.
The number of the anchoring pieces 1 is multiple, and the anchoring pieces 1 are arranged at intervals along the extending direction of the cantilever beam 2. The stability of the connection of the cantilever beam 2 with the lower floor 201 is ensured by increasing the number of the fasteners. In the preferred embodiment, there are at least two anchors 1 for fixing the ends of the cantilever beam 2 and at least one anchor 1 is provided near the edge of the floor, further improving the stability of the scaffold 3 by fixing different positions of the cantilever beam 2. During specific construction, the cantilever beams 2 are made of 18# I-steel, the distance between every two adjacent cantilever beams 2 is 1.5m, and the length of an anchoring section (the part erected on a floor slab) of each cantilever beam 2 is twice the length of the cantilever section (the part exposed out of the floor slab).
Specifically, the anchoring member 1 comprises a cross beam 11, two supporting rods 12 and two connecting rods 13, wherein two ends of the cross beam 11 are bent downwards to form the two supporting rods 12, one side of any one of the supporting rods 12, which is away from the other supporting rod 12, is bent to form the connecting rod 13, and the parts of the two supporting rods 12, which are close to the connecting rods 13, and the two connecting rods 13 are embedded in the lower floor 201; an installation space 14 is defined by the cross beam 11, the two support rods 12 and the lower floor slab 201, and the cantilever beam 2 is arranged in the installation space 14. The two connecting rods 13 are horizontally arranged in the lower floor 201, so that the contact area of the anchoring member 1 and the lower floor 201 is increased, and the anchoring member 1 is prevented from being separated from the lower floor 201.
Cantilever beam 2 can also be fixed by embedded bolt, and embedded bolt adopts the bolted steel clamp plate structure, and the bolted steel clamp plate size must not be less than 250mm 100mm x 10mm, and the specification of angle steel should not be less than 250mm x 63mm x 6mm when adopting the angle steel clamp plate, and embedded bolt way is with the round steel of taking the mantle fiber, and a square steel plate and round steel welding firmly do the anchor slab, and another square steel plate does the clamp plate and uses.
In a preferred embodiment, two tie rods 13 are welded to embedments in the lower floor 201. The tie rods 13 are welded to the lower floor 201 before the concrete is poured, so that the cantilever beam 2 can provide a greater load bearing capacity. Of course, the connecting rods 13 and the embedded parts of the lower floor slab 201 can be connected in other ways, such as riveting, bolt fastening, etc.
The scaffold 3 includes a main body frame 31, a carrier 32, and a safety net 33, the main body frame 31 is erected on the cantilever beam 2, the carrier 32 is disposed at the bottom of the main body frame 31, and the safety net 33 covers the periphery of the main body frame 31. The main frame 31 constitutes the main support structure, the safety net 33 may be a blue steel mesh sheet, and the safety net 33 should be extended out of the building and removed after the work in the protected area is stopped. The safety net 33 is used to secure the safety of the constructor and prevent the equipment or the constructor from falling down from the gap of the main body frame 31.
The main body frame 31 is formed by erecting a cross bar 311 and a vertical bar 312, and the lower end of the vertical bar 312 is connected with the cantilever beam 2; the overhanging type double-row scaffold 100 further includes a scissor brace and a diagonal brace, which are used for supporting and reinforcing the main body frame 31. The carrier 32 is formed by splicing a batten keel with a wooden plank. The bottom end of the cantilever frame is protected by a fully-closed wooden bearing part 32, the batten serving as the keel is laid along the length direction, then a wooden template is fully laid on the batten, and the wooden template is painted with red and white paint to form the bearing part 32. The bearing part 32 adopts a wood structure to form an insulating layer, so that the electricity safety in the construction process is ensured.
The main body frame 31 further includes a longitudinal floor-sweeping bar and a lateral floor-sweeping bar. The longitudinal floor sweeping bar should be secured to the upright 312 no more than 20cm from the upper surface of the carrier 32 using right angle fasteners. The transverse sweeping bar should also be secured to the upright 312 immediately below the longitudinal sweeping bar using a right angle fastener. When the foundations of the vertical rods 312 are not at the same height, the longitudinal floor sweeping rod at the high position must be extended to the low position for two spans to be fixed with the vertical rods 312, and the height difference should not be greater than 1 m. The distance from the axis of the upright 312 above the side slope to the side slope should not be less than 50 cm.
The cantilever beam 2 is provided with a plurality of connecting ribs 21, and each connecting rib is sleeved with a vertical rod 312. The installation position of the upright rod 312 is determined by sleeving the upright rod 312 on the connecting rib 21, and meanwhile, the integral stress imbalance caused by the deviation of the upright rod 312 to the main body frame 31 is prevented, so that the integral pressure bearing capacity of the main body frame 31 is ensured.
The scaffolding 3 further comprises a skirting board 34, the skirting board 34 being connected with the main body frame 31 and located at a lower side of the safety net 33. The bottom is usually used for holding various tools and instruments, and the skirting board 34 is arranged on the lower side of the safety net 33 to prevent small parts from falling off the grid of the safety net 33. And compare in safety net 33, baseboard 34 intensity is higher, is difficult for taking place deformation or damage, can further guarantee construction safety.
The overhanging type double-row scaffold 100 further comprises a hanging ring 51 arranged on the upper floor 202, a first end of the traction rope 4 is connected with the hanging ring 51, and a second end of the traction rope 4 is sleeved on the overhanging beam 2. The upper end is connected with rings 51 on the upper floor 202, the direct cuff of lower extreme is at the tip of cantilever beam 2, and haulage rope 4 passes through the mode of cuff to be connected cantilever beam 2, and the lifting surface area on the cantilever beam 2 is bigger, is difficult for causing the cantilever beam 2 damaged.
The traction rope 4 can be a steel wire rope with the diameter of 12mm, and the steel wire rope is pulled by a manual hoist when being pulled, so that the pulling degrees of all the steel wire ropes are basically the same, and the condition that the steel wire ropes are stressed unevenly is avoided. The wire ropes at both ends of the wire rope are clamped by rope clamps 52.
The end of the pull cord 4 is clamped by at least three cord clamps 52. The distance between two adjacent rope clamps 52 is 150mm, a safety bend is reserved between the second and third rope clamps, the steel wire rope is required to be flattened 1/3 until the diameter is reduced during clamping, and the chuck bolt is screwed once after the steel wire rope is stressed. The length of the free end of the steel wire rope is not less than 200 mm. The steel wire rope is ensured to be firmly fastened.
The invention also provides a construction method of the overhanging type double-row scaffold, which is used for building the overhanging type double-row scaffold, and the construction method comprises the following steps:
step S100: when the floor slab concrete construction is carried out, an anchoring part is pre-embedded in a lower floor slab, and a hanging ring is pre-embedded in an upper floor slab;
the concrete construction comprises the erection of reinforcing steel bars and a formwork support, water and electricity are reserved, then concrete pouring and tamping are carried out, the anchoring parts and the hanging rings are arranged in the concrete pouring and tamping mode and connected with the embedded reinforcing steel bars, and the concrete construction can adopt the modes of welding, riveting, bundling and the like. Therefore, the stress of the lifting ring and the anchoring part is transferred to the whole steel bar structure, the action area is increased, and the local stress is reduced.
Step S200: after the lower floor slab concrete reaches the preset strength, the cantilever beam is discharged;
step S300: acquiring a traction rope, connecting one end of the traction rope to a lifting ring, and connecting the other end of the traction rope to the part of the cantilever beam exposed out of the lower floor slab;
the tip of haulage rope passes rings to it is fixed through at least three rope clip, the other end of haulage rope can the cuff at the tip of cantilever beam, can fix rings on the cantilever beam and make the haulage rope pass through rings and be connected with the cantilever beam.
Step S400: and erecting a scaffold on the part of the cantilever beam exposed out of the lower floor slab to form the cantilever type double-row scaffold.
The overhanging type double-row scaffold is erected by the method, one end of the overhanging beam is fixed on the lower floor slab through the anchoring part, the other end of the overhanging beam is connected with the traction rope, the traction rope is fixed on the upper floor slab to provide oblique upper-right traction force for the leaking end of the overhanging beam, and 6 degrees of freedom of the overhanging beam are completely limited, so that the scaffold is erected on the overhanging beam, the bearing capacity, the rigidity and the stability of the scaffold can be improved, and the construction safety is ensured.
The scaffold is built through steel pipes (vertical rods and cross rods), and whether the steel pipes meet preset standards or not needs to be checked before the scaffold is built, for example, quality certificates and quality inspection reports of the steel pipes are checked; whether the surface of the steel pipe is flat and smooth, whether the structure of the steel pipe has cracks, scars, layering, dislocation, hard bending, burrs, indentations and deep scribes.
Figure BDA0002989379980000071
Figure BDA0002989379980000081
In one embodiment, the steel tube preset standard tolerance is as shown in the above table, and all steel tubes used for building the scaffold do not allow the punching operation.
The vertical rods and the cross rods are connected together through fasteners, and the fastening degree of the fasteners is not less than 40 N.m and not more than 65 N.m. The tensile load capacity of the butt fastener was 3 kN. The bolts on the fasteners should be held properly tightened. The opening of the butt joint fastener is inward when the butt joint fastener is installed so as to prevent rainwater from entering, and the opening of the right-angle fastener is not downward when the right-angle fastener is installed so as to ensure safety. The length of the end of each rod piece extending out of the edge of the cover plate of the fastener is not less than 10 cm. The steel pipe has serious corrosion, flattening or cracking and cannot be used. The use of fasteners having brittle fracture, deformation, slippery threads, etc. is prohibited. The external scaffold prohibits the mixed building of steel bamboo and steel wood and the mixed use of fasteners, ropes, iron wires and plastics.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. The utility model provides a double scaffold frame of overhanging type, sets up on the floor, its characterized in that, the double scaffold frame of overhanging type includes:
the lower end of the anchoring piece is pre-buried in a lower floor slab;
the cantilever beam is connected with the anchoring part, and part of the cantilever beam is exposed out of the lower floor slab;
the scaffold is erected on the part of the cantilever beam exposed out of the floor slab;
and one end of the traction rope is connected with one end of the cantilever beam exposed out of the floor slab, and the other end of the traction rope is connected with the upper floor slab.
2. The overhanging double-row scaffold of claim 1, wherein the anchoring member comprises a beam, two support rods and two connecting rods, wherein two ends of the beam are bent downward to form the two support rods, one side of any one support rod, which is away from the other support rod, is bent to form the connecting rod, and the parts of the two support rods, which are close to the connecting rods, and the two connecting rods are pre-embedded in the lower floor slab; a mounting space is enclosed among the cross beam, the two support rods and the lower floor slab, and the cantilever beam is arranged in the mounting space.
3. The overhanging double row scaffold of claim 2 wherein the two tie bars are welded to embedments in the lower floor.
4. The overhanging double-row scaffold of claim 1, wherein the scaffold comprises a main body frame, a carrier and a safety net, the main body frame is erected on the overhanging beam, the carrier is arranged at the bottom of the main body frame, and the safety net is arranged at the periphery of the main body frame.
5. The overhanging double row scaffold of claim 4, wherein the main frame is formed by erecting a cross bar and a vertical bar, the lower end of the vertical bar being connected to the overhanging beam; the overhanging type double-row scaffold further comprises a cross brace and an inclined brace, wherein the cross brace and the inclined brace are used for supporting and reinforcing the main body frame.
6. The overhanging double row scaffold of claim 5, wherein the overhanging beam is provided with a plurality of connecting ribs, each connecting rib being sleeved with an upright.
7. The overhanging double row scaffold of claim 4, wherein the scaffold further comprises a skirting board connected to the main body frame and located at a lower side of the safety net.
8. The overhanging double-row scaffold of any one of claims 1 to 7, wherein the number of the anchoring members is plural, and the plural anchoring members are arranged at intervals in the extending direction of the cantilever beam.
9. The overhanging double row scaffold of any one of claims 1 to 7, further comprising a lifting ring provided on the upper floor, wherein a first end of the pulling rope is connected to the lifting ring and a second end of the pulling rope is looped over the cantilever beam.
10. A construction method of an overhanging double-row scaffold for erecting the overhanging double-row scaffold of any one of claims 1 to 9, comprising:
when the floor slab concrete construction is carried out, an anchoring part is pre-embedded in a lower floor slab, and a hanging ring is pre-embedded in an upper floor slab;
after the lower floor slab concrete reaches the preset strength, the cantilever beam is discharged;
acquiring a traction rope, connecting one end of the traction rope to a lifting ring, and connecting the other end of the traction rope to the part of the cantilever beam exposed out of the lower floor slab;
and erecting a scaffold on the part of the cantilever beam exposed out of the lower floor slab to form the cantilever type double-row scaffold.
CN202110310480.1A 2021-03-23 2021-03-23 Overhanging type double-row scaffold and construction method thereof Pending CN112942778A (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN114790818A (en) * 2022-06-07 2022-07-26 中冶建工集团有限公司 Diagonal bracing transition method for accelerating erection of overhanging scaffold

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CN114790818B (en) * 2022-06-07 2024-04-23 中冶建工集团有限公司 Diagonal bracing transition method for accelerating erection of overhanging scaffold

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Application publication date: 20210611