Scaffold of layer shrinkage arc-shaped high-rise structure

Abstract

The utility model discloses a scaffold of a layer shrinkage arc-shaped high-rise structure, which comprises a polygonal scaffold body arranged around the outer contour of a building wall, a plurality of vertical rods distributed into a concentric polygon, an inner row consisting of a plurality of inner-row vertical rods, a middle row consisting of a plurality of middle-row vertical rods and an outer row consisting of a plurality of outer-row vertical rods, the inner row of vertical rods, the middle row of vertical rods and the outer row of vertical rods are respectively provided with a plurality of layers of longitudinal horizontal rods which are longitudinally distributed, every two adjacent longitudinal horizontal rods at the corner position of the scaffold body are connected through double fasteners, the included angle between every two adjacent longitudinal horizontal rods is 150 degrees, and the transverse horizontal rods are connected among the inner row of vertical rods, the middle row of vertical rods and the outer row of vertical rods. And telescopic horizontal transverse jacking supports are connected between the safety protection net and the longitudinal horizontal rods arranged on the outer row of vertical rods. The appearance of the scaffold can be attached to a building, construction efficiency is improved, cost is saved, and supervision work of safety production management is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of scaffolds, in particular to a scaffold with a layer-shrinking arc-shaped high-rise structure. Background Art

[0002] The traditional external scaffolding erection method has the following disadvantages: First, for buildings with concave and convex shapes and curved outer contours, the traditional external scaffolding erection method cannot fit the actual shape of the building, and there is a tendency to move away from the building in the plane and inside, resulting in a large distance between the frame and the building, which is not conducive to protection needs and causes difficulties for the supervision of safe production management; Second, for buildings with both curtain wall structures and curved structural surfaces, the traditional fixed-module external scaffolding erection will inevitably occupy the structural space of the curtain wall keel, resulting in the need to disassemble and reassemble the frame later, as well as additional wall connection parts, which consumes manpower and material resources. Utility Model Content

[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a scaffold with a retractable arc-shaped high-rise structure that can make the scaffold shape fit the building, improve construction efficiency, save costs, and be beneficial to the supervision work of safe production management.

[0004] The utility model is realized by the following technical scheme: a scaffold of a high-rise structure with a layer-contracted arc shape, comprising a polygonal scaffold body arranged around the outer contour of a building wall, the bottom of the scaffold body being supported on the ground or a cantilever beam or a floor slab, and the scaffold body comprising:

[0005] A plurality of vertical poles, wherein the plurality of vertical poles are arranged into concentric polygons and divided into three rows: inner, middle and outer rows according to the concentric polygons, wherein the inner row is composed of a plurality of inner row vertical poles, the middle row is composed of a plurality of middle row vertical poles, and the outer row is composed of a plurality of outer row vertical poles;

[0006] Longitudinal sweeping rods, the bottom of the inner row of vertical rods, the bottom of the middle row of vertical rods, and the bottom of the outer row of vertical rods are respectively provided with the longitudinal sweeping rods;

[0007] A transverse sweeping rod, wherein the transverse sweeping rod is connected between the inner row of vertical rods, the middle row of vertical rods, and the outer row of vertical rods, and the transverse sweeping rod is perpendicular to the longitudinal sweeping rod;

[0008] Longitudinal horizontal bars, the inner row of vertical bars, the middle row of vertical bars, and the outer row of vertical bars are respectively provided with multiple layers of longitudinally distributed longitudinal horizontal bars, and two adjacent longitudinal horizontal bars at the corner position of the scaffold body are connected by double fasteners, and the ends of the two are separated by 10mm from top to bottom, and the angle between the two is 150°;

[0009] Transverse horizontal bars, which are distributed in multiple layers and connected between the inner row of vertical bars, the middle row of vertical bars and the outer row of vertical bars, and are perpendicular to the longitudinal horizontal bars, and the longitudinal horizontal bars are located on the top of the transverse horizontal bars;

[0010] A safety protection net, the safety protection net is arranged outside the outer row of vertical poles, and a retractable horizontal lateral support is connected between the safety protection net and the longitudinal horizontal rods arranged on the outer row of vertical poles;

[0011] A wall connecting member, wherein the inner row of vertical poles are connected to the building wall through the wall connecting member.

[0012] Furthermore, when the scaffolding body is used for protection during the curtain wall construction phase, the horizontal distance between the outer row of uprights and the middle row of uprights of the scaffolding body is 500 mm, and the distance between the outer row of uprights and the building wall is 1900 mm.

[0013] Furthermore, when the scaffolding body is used for protection during the construction phase of a building wall, the horizontal distance between the inner row of uprights and the middle row of uprights of the scaffolding body is 800 mm, and the distance between the inner row of uprights and the building wall is 100 mm.

[0014] Furthermore, when the bottom of the scaffolding body is supported on the ground or floor, the vertical poles of the scaffolding body are fixed to the ground or floor through a pad, and when the bottom of the scaffolding body is supported on a cantilever beam, the anchor section of the cantilever beam is connected to the building wall, the bottom of the scaffolding body is connected to the free section of the cantilever beam, and the vertical poles at the corner position of the scaffolding body are connected to the cantilever beam through an I-beam, and the I-beam is welded to the upper wing of the cantilever beam on both sides.

[0015] Furthermore, a unloading wire rope is provided on the scaffolding body, the unloading wire rope is distributed obliquely, and the upper end of the unloading wire rope is suspended on a hook embedded in the superstructure wall, the lower end of the unloading wire rope is fixed at the node of the longitudinal horizontal rod, the transverse horizontal rod and the vertical rod, and three wire rope clamps are provided on the unloading wire rope.

[0016] Furthermore, longitudinally distributed steel pipes are arranged at the positions where the unloading steel wire ropes are arranged on the scaffolding body, and the steel pipes are respectively connected to the inner row of uprights, the middle row of uprights and the outer row of uprights, and the inner ends thereof are pressed tightly against the building wall.

[0017] Furthermore, the horizontal transverse support is connected with a slot via a pin, and the slot is used to connect two adjacent upper and lower safety protection nets.

[0018] Furthermore, the card slot is divided into an upper slot and a lower slot.

[0019] Furthermore, the wall connecting members are arranged in the form of two steps and one span, the wall connecting members are connected to the building wall through bolts, and the wall connecting members are connected to the inner row of vertical poles through U-shaped clamps.

[0020] Furthermore, it also includes a transverse diagonal brace, which is obliquely supported between the inner row of uprights and the middle row of uprights, and the transverse diagonal brace is set at the full height from the bottom to the top of the scaffold body.

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] The utility model sets the scaffold body into a dodecagon, and the angle of the corner position of the scaffold body is 150 degrees, so that the shape of the scaffold fits the shape of the building, and solves the problem of the large distance between the traditional scaffold and the building wall at the corner. In addition, the corner position of the scaffold is formed by the angle of 150 degrees between two adjacent longitudinal horizontal bars, and there is no need to process the steel pipe, which can improve the construction speed. By considering the later construction and maintenance (including external decorative aluminum plates, curtain walls, etc.), the horizontal distance of the vertical poles is determined, and the horizontal arrangement of the vertical poles is determined according to different construction stages, so as to avoid repeated dismantling and erection of later construction operations, simplify the construction operation process, improve construction efficiency, and save costs. In addition, the safety protection net is connected through a retractable horizontal horizontal top support, and the inclination angle of the safety protection net in various directions can be adjusted to the top support through a horizontal balance, so that the safety protection net can be adapted to the size and shape of the scaffold body in the dodecagon, so as to ensure the appearance quality and protection effect, save labor costs and construction period, and be more conducive to the supervision work of safe production management. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0024] Figure 2 The structure of the utility model is shown in FIG. Figure 2 ;

[0025] Figure 3 for Figure 1 A magnified view of point A;

[0026] Figure 4 This is a large-scale drawing of the corner position of the scaffolding body of the utility model;

[0027] Figure 5 It is a load-relief elevation view of the utility model;

[0028] Figure 6 This is a large-scale drawing of the connection of the unloading wire rope of the utility model;

[0029] Figure 7This is a schematic diagram of the hook structure of the utility model;

[0030] Figure 8 and Fig. 9 This is a schematic diagram of the structure of the utility model supported on the ground;

[0031] Fig.10 This is a schematic diagram of the structure of the utility model supported on the floor;

[0032] Fig.11 This is a schematic diagram of the structure of the utility model supported on a cantilever beam;

[0033] Fig.12 This is a schematic diagram of the structure of the safety protection net connected to the card slot of the utility model;

[0034] Fig.13 It is a structural schematic diagram of the connection between the wall connecting member and the inner row of vertical poles of the utility model.

[0035] Explanation of the reference numerals: 1- scaffolding body, 2- uprights, 3- inner row uprights, 4- middle row uprights, 5- outer row uprights, 6- longitudinal sweeping rods, 7- transverse sweeping rods, 8- longitudinal horizontal rods, 9- transverse horizontal rods, 10- safety nets, 11- horizontal transverse top supports, 12- wall connecting parts, 13- pads, 14- I-beams, 15- unloading wire ropes, 16- hooks, 17- wire rope clamps, 18- steel pipes, 19- pins, 20- slots, 21- upper slots, 22- lower slots, 23- bolts, 24- U-shaped clamps, 25- transverse diagonal braces, 26- ground, 27- floor slabs, 28- cantilever beams, 29- building walls. DETAILED DESCRIPTION

[0036] Figures 1 to 13 The utility model provides a schematic structural diagram of a scaffolding embodiment of a layer-retracted arc-shaped high-rise structure, including a polygonal scaffolding body 1 arranged around the outer contour of a building wall 29, the bottom of the scaffolding body 1 is supported on the ground 26 or the cantilever beam 28 or the floor 27, and the scaffolding body 1 includes:

[0037] Multiple vertical poles 2 are distributed into concentric polygons and divided into three rows: inner, middle and outer rows. The inner row is composed of multiple inner row vertical poles 3, the middle row is composed of multiple middle row vertical poles 4, and the outer row is composed of multiple outer row vertical poles 5.

[0038] Longitudinal sweeping rods 6 are respectively provided at the bottom of the inner row of upright rods 3 , the bottom of the middle row of upright rods 4 , and the bottom of the outer row of upright rods 5 .

[0039] The transverse sweeping rod 7 is connected between the inner row of vertical rods 3, the middle row of vertical rods 4 and the outer row of vertical rods 5, and the transverse sweeping rod 7 is perpendicular to the longitudinal sweeping rod 6.

[0040] The longitudinal horizontal rods 8, the inner row of vertical rods 3, the middle row of vertical rods 4, and the outer row of vertical rods 5 are respectively provided with multiple layers of longitudinally distributed longitudinal horizontal rods 8. The two adjacent longitudinal horizontal rods 8 at the corner position of the scaffolding body 1 are connected by double fasteners, and the ends of the two are separated by 10 mm up and down, and the angle between the two is 150°.

[0041] The transverse horizontal rods 9 are distributed transversely in multiple layers and are connected between the inner row of vertical rods 3, the middle row of vertical rods 4, and the outer row of vertical rods 5. The transverse horizontal rods 9 are perpendicular to the longitudinal horizontal rods 8, and the longitudinal horizontal rods 8 are located at the top of the transverse horizontal rods 9.

[0042] The safety net 10 is arranged outside the outer row of upright poles 5 , and a retractable horizontal lateral support 11 is connected between the safety net 10 and the longitudinal horizontal rods 8 arranged on the outer row of upright poles 5 .

[0043] The wall connecting member 12 and the inner row of uprights 3 are connected to the building wall 29 via the wall connecting member 12 .

[0044] In this embodiment, the scaffold body 1 is in the shape of a dodecagon.

[0045] The safety net 10 is made of metal material, which is non-flammable, corrosion-resistant, has good wear resistance, has a long service life and can be reused.

[0046] When the scaffolding body 1 is used for protection during the curtain wall construction phase, the horizontal distance between the outer row of uprights 5 and the middle row of uprights 4 of the scaffolding body 1 is 500 mm, and the distance between the outer row of uprights 5 and the building wall 29 is 1900 mm.

[0047] When the scaffold body 1 is used for protection during the construction phase of the building wall 29, the horizontal distance between the inner row of uprights 3 and the middle row of uprights 4 of the scaffold body 1 is 800 mm, and the distance between the inner row of uprights 3 and the building wall 29 is 100 mm.

[0048] By determining the transverse arrangement of the inner row of uprights 3, the middle row of uprights 4, and the outer row of uprights 5 according to different construction stages, the scaffolding body 1 can function without secondary adjustment during the construction of the building wall 29 and the curtain wall, thereby avoiding repeated disassembly and assembly in the later construction operations, simplifying the construction operation process, improving construction efficiency, and saving costs.

[0049] When the bottom of the scaffolding body 1 is supported on the ground 26 or the floor 27, the upright poles 2 of the scaffolding body 1 are fixed to the ground 26 or the floor 27 through the pads 13. When the bottom of the scaffolding body 1 is supported on the cantilever beam 28, the anchoring section of the cantilever beam 28 is connected to the building wall 29, the bottom of the scaffolding body 1 is connected to the free section of the cantilever beam 28, and the upright poles 2 at the corner position of the scaffolding body 1 are connected to the cantilever beam 28 through the I-beam 14, and the I-beam 14 is welded to the upper wing of the cantilever beam 28 on both sides.

[0050] The scaffolding body 1 is provided with a unloading wire rope 15, which is distributed obliquely, and the upper end of the unloading wire rope 15 is suspended on a hook 16 embedded in the superstructure wall 29, and the lower end of the unloading wire rope 15 is fixed at the node of the longitudinal horizontal rod 8, the transverse horizontal rod 9 and the vertical rod, and three wire rope clamps 17 are provided on the unloading wire rope 15.

[0051] A longitudinally distributed steel pipe 18 is provided at the position where the unloading steel wire rope 15 is provided on the scaffold body 1 . The steel pipe 18 is respectively connected to the inner row of uprights 3 , the middle row of uprights 4 , and the outer row of uprights 5 , and the inner end thereof is pressed tightly against the building wall 29 .

[0052] The horizontal transverse support 11 is connected with a slot 20 via a pin 19 , and the slot 20 is used to connect two adjacent upper and lower safety protection nets 10 .

[0053] The card slot 20 is divided into an upper slot 21 and a lower slot 22 .

[0054] Reference Fig.12 When installing the safety net 10, the lower end of the safety net 10 is installed in the upper slot 21, and the upper end of the safety net 10 is installed in the lower slot 22, which is convenient for installation and improves installation efficiency. The inclination angle of the safety net 10 in various directions is adjusted by the horizontal lateral top support 11, so that the safety net 10 is adapted to the shape of the dodecagonal scaffolding body 1, ensuring that the verticality of the plane meets the requirements, making the transition smooth, improving the project image, and ensuring the appearance quality of the scaffolding.

[0055] The wall connecting member 12 is arranged in the form of two steps and one span. The wall connecting member 12 is connected to the building wall 29 through bolts 23 , and the wall connecting member 12 is connected to the inner row of vertical poles 3 through U-shaped clamps 24 .

[0056] Among them, two steps and one span is a commonly used term in construction. Two steps refer to the distance between three rows of large cross bars (i.e., longitudinal horizontal bars 8), and one span refers to the distance between two columns of vertical bars.

[0057] It also includes a transverse diagonal brace 25 , which is obliquely supported between the inner row of uprights 3 and the middle row of uprights 4 , and is arranged at the entire height from the bottom to the top of the scaffold body 1 .

[0058] When erecting a scaffold, first simulate the dodecagonal layout through CAD, and then a professional scaffolder uses an infrared laser to measure and lay out the position of the vertical poles, and immediately fix the positioning points with pads 13 to avoid displacement, and then erect the vertical poles 2 one by one, and then fasten the vertical poles 2 with the longitudinal sweeping rods 6, install the transverse sweeping rods 7, and fasten them with the vertical poles or the longitudinal sweeping rods 6. According to the software simulation results, the corner position of the scaffold body 1 is separated by 10 mm up and down by double fasteners, and a protractor is used to ensure that the angle between the two adjacent longitudinal horizontal rods 8 is 150°, forming an arc-shaped turning point, that is, the corner position of the scaffold body 1, and then a transverse diagonal brace 25 is set at the corner position of the scaffold body 1 to ensure torsion resistance. During the scaffold erection process, professional management personnel are arranged to conduct special inspections throughout the process, and problems are checked and adjusted in time, and the PDCA cycle inspection and the three-inspection principle of "self-inspection, mutual inspection, and special inspection" are adopted.

[0059] The scaffolding with dodecagonal circumscribed broken-line arrangement optimizes the plane vertical pole arrangement, and the steel pipe 18 does not need to be processed, and the protective distance is appropriate, which ensures that the safety requirements are met and the construction speed is improved, the construction process is simplified, and the construction efficiency is improved, and the repeated dismantling and erection in the later construction work is avoided, which wastes time and labor. The appearance fits the shape of the building, so as to save economic costs, improve work efficiency, and be safe and environmentally friendly.

[0060] In addition, Rhino software is used to perform 3D modeling and positioning of the curtain wall nodes. Positioning requires the use of models to determine the elevation change of each positioning point, and the software is used to measure the detailed dimensions of the decorative panels. CAD software is used to first summarize the three-dimensional dimensions of the structure and perform detailed positioning of the horizontal arrangement of the vertical poles, so that the fixed points can be arranged more accurately, saving construction time, and performing a two-stage functional analysis of the external scaffolding. The structural radius of the same cantilever section (4F-8F) differs by about 600mm. In order to ensure the quality of protection and meet the requirements of the curtain wall and aluminum plate lines in the later stage, it is solved by adopting a horizontal multi-system external frame combination arrangement. That is, in the same cantilever section, the horizontal arrangement of the poles is prioritized to meet the largest size layer. Three rows of poles, including inner row poles 3, middle row poles 4, and outer row poles 5, are used to meet the requirements of the later curtain wall and decorative line construction. Through verification, the horizontal distance of 800-1000 can meet the requirements, and the maximum width of the later aluminum plate line is 1600mm. Considering the installation operation space of 300mm, the distance between the inner pole of the outer double row poles and the structure should be no less than 1900mm, and the horizontal distance is set to 500mm. The poles are strictly positioned according to the plan to ensure that the scaffolding body 1 can play a role without secondary adjustment during the construction of the building wall 29 and the curtain wall construction stage.

[0061] The above detailed description is a specific description of a feasible embodiment of the utility model. The embodiment is not intended to limit the patent scope of the utility model. Any equivalent implementation or modification that does not deviate from the utility model should be included in the patent scope of this case.

Claims

1. A scaffolding with a layer-retracted arc-shaped high-rise structure, characterized in that: The invention comprises a polygonal scaffolding body arranged around the outer contour of a building wall, the bottom of the scaffolding body is supported on the ground or a cantilever beam or a floor slab, and the scaffolding body comprises: A plurality of vertical poles, wherein the plurality of vertical poles are arranged into concentric polygons and divided into three rows: inner, middle and outer rows according to the concentric polygons, wherein the inner row is composed of a plurality of inner row vertical poles, the middle row is composed of a plurality of middle row vertical poles, and the outer row is composed of a plurality of outer row vertical poles; Longitudinal sweeping rods, the bottom of the inner row of vertical rods, the bottom of the middle row of vertical rods, and the bottom of the outer row of vertical rods are respectively provided with the longitudinal sweeping rods; A transverse sweeping rod, wherein the transverse sweeping rod is connected between the inner row of vertical rods, the middle row of vertical rods, and the outer row of vertical rods, and the transverse sweeping rod is perpendicular to the longitudinal sweeping rod; Longitudinal horizontal bars, the inner row of vertical bars, the middle row of vertical bars, and the outer row of vertical bars are respectively provided with multiple layers of longitudinally distributed longitudinal horizontal bars, and two adjacent longitudinal horizontal bars at the corner position of the scaffold body are connected by double fasteners, and the ends of the two are separated by 10mm from top to bottom, and the angle between the two is 150°; Transverse horizontal bars, which are distributed in multiple layers and connected between the inner row of vertical bars, the middle row of vertical bars and the outer row of vertical bars, and are perpendicular to the longitudinal horizontal bars, and the longitudinal horizontal bars are located on the top of the transverse horizontal bars; A safety protection net, the safety protection net is arranged outside the outer row of vertical poles, and a retractable horizontal lateral support is connected between the safety protection net and the longitudinal horizontal rods arranged on the outer row of vertical poles; A wall connecting member, wherein the inner row of vertical poles are connected to the building wall through the wall connecting member.

2. According to claim 1, a scaffolding with a layer-retracted arc-shaped high-rise structure is characterized in that: When the scaffolding body is used for protection during the curtain wall construction phase, the horizontal distance between the outer row of uprights and the middle row of uprights of the scaffolding body is 500 mm, and the distance between the outer row of uprights and the building wall is 1900 mm.

3. The scaffolding of a high-rise structure with a layer-retracted arc shape according to claim 2 is characterized in that: When the scaffolding body is used for protection during the construction phase of a building wall, the horizontal distance between the inner row of uprights and the middle row of uprights of the scaffolding body is 800 mm, and the distance between the inner row of uprights and the building wall is 100 mm.

4. The scaffolding of a high-rise structure with a layer-retracted arc shape according to claim 3 is characterized in that: When the bottom of the scaffolding body is supported on the ground or floor, the vertical poles of the scaffolding body are fixed to the ground or floor through pads; when the bottom of the scaffolding body is supported on a cantilever beam, the anchoring section of the cantilever beam is connected to the building wall, the bottom of the scaffolding body is connected to the free section of the cantilever beam, and the vertical poles at the corner position of the scaffolding body are connected to the cantilever beam through I-beams, and the I-beams are welded to the upper wings of the cantilever beams on both sides.

5. The scaffolding of a high-rise structure with a layer-retracted arc shape according to claim 4 is characterized in that: The scaffolding body is provided with a unloading wire rope, which is distributed obliquely, and the upper end of the unloading wire rope is suspended on a hook embedded in the superstructure wall, and the lower end of the unloading wire rope is fixed at the node of the longitudinal horizontal rod, the transverse horizontal rod and the vertical rod, and three wire rope clamps are provided on the unloading wire rope.

6. The scaffolding of a high-rise structure with a layer-retracted arc shape according to claim 5, characterized in that: The position where the unloading steel wire rope is arranged on the scaffolding body is provided with longitudinally distributed steel pipes, the steel pipes are respectively connected with the inner row of uprights, the middle row of uprights and the outer row of uprights, and the inner ends thereof are pressed tightly against the building wall.

7. The scaffolding of a high-rise structure with a layer-retracted arc shape according to claim 6, characterized in that: The horizontal transverse top support is connected with a slot through a pin, and the slot is used to connect two adjacent upper and lower safety protection nets.

8. The scaffolding of a high-rise structure with a layer-retracted arc shape according to claim 7, characterized in that: The card slot is divided into an upper slot and a lower slot.

9. The scaffolding of a high-rise structure with a layer-retracted arc shape according to claim 8, characterized in that: The wall connecting member is arranged in the form of two steps and one span, the wall connecting member is connected to the building wall through bolts, and the wall connecting member is connected to the inner row of vertical poles through U-shaped clamps.

10. The scaffolding of a high-rise structure with a layer-retracted arc shape according to claim 5, characterized in that: It also includes a transverse diagonal brace, which is obliquely supported between the inner row of uprights and the middle row of uprights, and the transverse diagonal brace is set at the full height from the bottom to the top of the scaffold body.

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