Large cantilever platform suspended ceiling scaffold and installation and construction method thereof

Abstract

The invention discloses a large cantilever platform suspended ceiling scaffold and an installation method, the large cantilever platform suspended ceiling scaffold comprises a cantilever plate, an indoor scaffold, a vertical suspender, a cantilever steel pipe and hanging points, I-shaped steel is arranged at the bottom of the cantilever plate, a plurality of hanging points distributed at intervals are arranged on the I-shaped steel, the hanging points are used for hanging life ropes, and the indoor scaffold is erected at the indoor end of the cantilever plate. A horizontal rod of an indoor scaffold operation layer is overhung to form an overhanging part, a plurality of overhanging steel pipes are spliced end to end, the overhanging part is connected with the overhanging steel pipe located at the head end, steel fence nets are arranged on the overhanging part and the overhanging steel pipes respectively, a plurality of vertical hanging rods are arranged, the top of each vertical hanging rod is fixed to an overhanging plate, and the top of each vertical hanging rod is fixed to the corresponding overhanging plate. The multiple vertical hanging rods are distributed at intervals, the bottom of each vertical hanging rod is connected with the corresponding overhanging part or the corresponding overhanging steel pipe, and handrails and protective nets are arranged on the outer sides of the multiple vertical hanging rods. The method is not limited by foundation sites, and is good in comprehensive safety and economical efficiency and high in construction speed.

Description

Technical Field

[0001] The invention relates to the technical field of cantilever scaffolds, in particular to a large cantilever platform ceiling scaffold and an installation and construction method thereof. Background Art

[0002] At present, the appearance and practical requirements of building construction projects are increasing. Large cantilevered platforms at high places, especially super high-rise buildings, need to be decorated with suspended ceilings. However, the projects do not have the conditions for scaffolding erection, or the scaffolding erection is difficult, resulting in problems of excessive risks and high costs. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art and provide a large cantilever platform ceiling scaffolding and its installation and construction method which is not restricted by the foundation site, has good comprehensive safety and economy, and has a fast construction speed.

[0004] The present invention is realized by the following technical scheme: a large cantilever platform ceiling scaffolding, comprising a cantilever plate, an indoor scaffolding, a vertical hanger, a cantilever steel pipe, and a hanging point;

[0005] An I-beam is provided at the bottom of the cantilever plate, and a plurality of hanging points are provided on the I-beam and are distributed at intervals along the length direction of the cantilever plate, and the hanging points are used to hang a life rope;

[0006] The indoor scaffolding is erected at the indoor end of the cantilevered plate, and the horizontal bars of the indoor scaffolding working layer are extended to form an extended portion;

[0007] The cantilever steel pipes are provided with a plurality of them, which are spliced ​​end to end in the horizontal direction, the cantilevered portion is connected to the cantilevered steel pipe located at the head end, and the cantilevered portion and the cantilevered steel pipe are respectively provided with steel fences;

[0008] A plurality of vertical suspension rods are provided, the top of each vertical suspension rod is fixed to the cantilever plate, and the plurality of vertical suspension rods are distributed at intervals along the length direction of the cantilever plate, and the bottom of each vertical suspension rod is connected to the corresponding cantilevered portion or the cantilevered steel pipe;

[0009] Railings and protective nets are arranged on the outer sides of a plurality of the vertical suspension rods.

[0010] Furthermore: a plurality of openings are reserved on the cantilever plate along its length direction, an end ring plate is arranged on the top side of the opening, a single fastener is arranged on the bottom side of the opening, reinforcing ribs are arranged on the end ring plate, and the top of the vertical hanger is fixed in the opening through the end ring plate and the single fastener.

[0011] Furthermore: the cantilevered portion includes a long cantilevered portion and a short cantilevered portion that are alternately distributed, the length of the long cantilevered portion is 3m, and the length of the short cantilevered portion is 1.5m.

[0012] Furthermore: the long cantilevered portion and the cantilevered steel pipe, the short cantilevered portion and the cantilevered steel pipe, and the cantilevered steel pipes are connected respectively by U-shaped buckles.

[0013] Furthermore: the length of the cantilevered steel pipe is not less than 3m, the diameter of the opening is 65mm, and the distance between two adjacent openings is not more than 1.5m.

[0014] Furthermore: it also includes an oblique steel wire rope, one end of which is connected to the vertical hanger, and the other end of which is connected to the cantilevered part or the cantilevered steel pipe.

[0015] Furthermore: a diagonal brace is arranged between every two adjacent vertical suspension rods.

[0016] Furthermore: the hanging point is an ear plate, and the ear plate is set by pre-embedding or welding.

[0017] Furthermore: the indoor scaffolding is a three-row scaffolding.

[0018] A method for installing and constructing a large cantilever platform ceiling scaffold comprises the following steps:

[0019] S1. Reserve multiple holes distributed at intervals in the length direction of the cantilever plate, and number all the holes in sequence starting from the indoor end of the cantilever plate, namely the first hole, the second hole, the third hole, ..., the Nth hole;

[0020] S2. A plurality of hanging points are provided at the bottom of the cantilever plate and are spaced apart along the length direction of the cantilever plate;

[0021] S3. An indoor scaffold is set up at the indoor end of the cantilever plate, and the horizontal rods of the indoor scaffolding working layer are picked out to form a cantilevered portion, and the cantilevered portion is a staggered long cantilevered portion and a short cantilevered portion;

[0022] S4. Hang the first lifeline on the hanging point, lay and fix the wooden board from the short cantilevered part, install the vertical hanging rod in the first hole, and extend the bottom of the vertical hanging rod to the bottom of the cantilevered plate and connect the bottom of the vertical hanging rod to the cantilevered part;

[0023] S5. Splice the cantilever steel pipe on the short cantilevered part;

[0024] S6. Install a vertical hanger in the second hole, extend the bottom of the vertical hanger to the bottom of the cantilever plate, and then connect the bottom of the vertical hanger to the cantilever steel pipe;

[0025] S7. Hang the second lifeline on the hanging point, splice the cantilever steel pipe on the long cantilevered part, install the vertical hanger in the third hole, extend the bottom of the vertical hanger to the bottom of the cantilever plate, and then connect the bottom of the vertical hanger to the cantilever steel pipe;

[0026] S8. Repeat step S4, step S5, step S6, and step S7 until the vertical hanger is installed in the Nth hole on the cantilever plate;

[0027] S9. While removing the wooden planks, install steel fences and bottom nets, install horizontal scissor braces, and install vertical hanging rod diagonal braces;

[0028] S10. Set up railings on the outside of the vertical boom and install a protective net.

[0029] Compared with the prior art, the present invention has the following beneficial effects:

[0030] The present invention fixes the top of the vertical hanger on the cantilever plate, so that the bottom of the vertical hanger is extended to the bottom of the cantilever plate and connected to the cantilever steel pipe, so that the cantilever plate is used as a load-bearing structure, and the ceiling scaffolding and the construction load are transmitted to the cantilever plate through the vertical hanger. The bottom of the cantilever plate is decorated with an operating platform. Compared with the traditional scaffolding set up on the ground, the present invention has the advantages of not being restricted by the foundation site, good comprehensive safety and economy, and solves the problem that when the bottom of the cantilever plate is decorated at a high place, it is impossible to set up a traditional scaffolding, and it is impossible to provide an operating platform through equipment such as aerial vehicles and hanging baskets. The erection of the ceiling scaffolding of the present invention is not affected by the ground and the elevation, and the amount of scaffolding materials is reduced. Only one or two steps of scaffolding are needed to meet the construction needs. The self-weight is small, the integrity is good, and the construction speed is faster than that of the ground-based scaffolding. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a side view of the present invention;

[0032] Figure 2 It is a schematic structural diagram of the cantilever plate of the present invention;

[0033] Figure 3 It is a schematic diagram of the node structure of the hanging point and the I-beam of the present invention;

[0034] Figure 4 It is a schematic diagram of the node structure of the cantilever plate and the vertical hanger rod of the present invention;

[0035] Figure 5 A side view of setting up an indoor scaffolding according to the present invention;

[0036] Figure 6 A top view of an indoor scaffolding set up according to the present invention;

[0037] Figure 7A side view of the cantilever plate of the present invention when the first suspension rod is installed;

[0038] Figure 8 A top view of the cantilever plate of the present invention when the first suspension rod is installed;

[0039] Fig. 9 It is a side view of the short cantilevered part of the present invention when it is spliced ​​with the cantilevered steel pipe;

[0040] Fig.10 A top view of a U-shaped buckle installed on a short cantilevered portion of the present invention;

[0041] Fig.11 It is a top view of the short cantilevered part of the present invention when it is spliced ​​with the cantilevered steel pipe;

[0042] Fig.12 A side view of the cantilever plate of the present invention when the second hanger is installed;

[0043] Fig.13 A top view of the long extension portion of the present invention with a U-shaped buckle installed;

[0044] Fig.14 It is a top view of the long cantilevered part of the present invention when the cantilevered steel pipe is installed;

[0045] Fig.15 A side view of the present invention when all vertical hangers are installed;

[0046] Fig.16 This is a top view of the present invention when all vertical hangers are installed.

[0047] Explanation of the accompanying numbers: 1-cantilever board, 2-indoor scaffolding, 3-vertical hanger, 4-cantilever steel pipe, 5-hanging point, 6-I-beam, 7-life rope, 8-cantilever part, 9-steel mesh, 10-railing, 11-protective net, 12-opening, 13-end ring plate, 14-single fastener, 15-reinforcement rib, 16-long cantilever part, 17-short cantilever part, 18-U-shaped buckle, 19-oblique steel wire rope, 20-diagonal brace, 21-bottom net, 22-wooden board. DETAILED DESCRIPTION

[0048] Reference Figures 1 to 16 The present invention discloses a large cantilever platform ceiling scaffold, which comprises a cantilever plate 1, an indoor scaffold 2, a vertical hanger 3, a cantilever steel pipe 4, and a hanging point 5.

[0049] An I-beam 6 is provided at the bottom of the cantilever plate 1 , and a plurality of hanging points 5 are provided on the I-beam 6 and are distributed at intervals along the length direction of the cantilever plate 1 . The hanging points 5 are used to hang a life rope 7 .

[0050] The indoor scaffolding 2 is erected at the indoor end of the cantilevered plate 1 , and the horizontal bars of the working layer of the indoor scaffolding 2 are cantilevered to form a cantilevered portion 8 .

[0051] A plurality of cantilever steel pipes 4 are provided, and the plurality of cantilever steel pipes 4 are spliced ​​end to end in a horizontal direction. A cantilevered portion 8 is connected to the cantilevered steel pipe 4 located at the head end, and steel meshes 9 are provided on the cantilevered portion 8 and the cantilevered steel pipe 4, respectively.

[0052] A plurality of vertical hangers 3 are provided, the top of each vertical hanger 3 is fixed to the cantilever plate 1 , and the plurality of vertical hangers 3 are spaced apart along the length direction of the cantilever plate 1 , and the bottom of each vertical hanger 3 is connected to its corresponding cantilevered portion 8 or cantilever steel pipe 4 .

[0053] Railings 10 and protective nets 11 are arranged on the outer sides of the plurality of vertical suspension rods 3 .

[0054] A plurality of openings 12 are reserved on the cantilever plate 1 along its length direction, an end ring plate 13 is arranged on the top side of the opening 12, a single fastener 14 is arranged on the bottom side of the opening 12, a reinforcing rib 15 is arranged on the end ring plate 13, and the top of the vertical hanger 3 is fixed in the opening 12 through the end ring plate 13 and the single fastener 14.

[0055] The cantilevered portion 8 includes long cantilevered portions 16 and short cantilevered portions 17 which are distributed alternately. The length of the long cantilevered portion 16 is 3 m, and the length of the short cantilevered portion 17 is 1.5 m.

[0056] The long cantilevered portion 16 and the cantilevered steel pipe 4 , the short cantilevered portion 17 and the cantilevered steel pipe 4 , and the cantilevered steel pipes 4 and the cantilevered steel pipes 4 are connected respectively by U-shaped buckles 18 .

[0057] The length of the cantilevered steel pipe 4 is not less than 3 m, the diameter of the opening 12 is 65 mm, and the distance between two adjacent openings 12 is not more than 1.5 m.

[0058] It also includes an oblique steel wire rope 19 , one end of which is connected to the vertical hanger 3 , and the other end of the oblique steel wire rope 19 is connected to the cantilevered portion 8 or the cantilevered steel pipe 4 .

[0059] A diagonal brace 20 is provided between every two adjacent vertical suspension rods 3 .

[0060] The hanging point 5 is an ear plate, which is arranged by pre-embedding or welding.

[0061] The indoor scaffolding 2 is a three-row scaffolding.

[0062] A method for installing and constructing a large cantilever platform ceiling scaffold comprises the following steps:

[0063] S1. A plurality of holes 12 are reserved in the length direction of the cantilever plate 1 and are spaced apart from each other. All the holes 12 are numbered in sequence starting from the indoor end of the cantilever plate 1, namely, the first hole, the second hole, the third hole, ..., the Nth hole.

[0064] S2. A plurality of hanging points 5 are arranged at the bottom of the cantilever plate 1 and are spaced apart along the length direction of the cantilever plate 1 .

[0065] S3. An indoor scaffold 2 is set up at the indoor end of the cantilever plate 1, and the horizontal bars of the working layer of the indoor scaffold 2 are extended to form a cantilever portion 8, and the cantilever portion 8 is divided into a long cantilever portion 16 and a short cantilever portion 17 which are staggered.

[0066] S4. Hang the first section of lifeline 7 on the hanging point 5, lay and fix the wooden board 22 starting from the short cantilevered portion 17, install the vertical hanger 3 in the first hole, and extend the bottom of the vertical hanger 3 to the bottom of the cantilevered plate 1, and then connect the bottom of the vertical hanger 3 and the cantilevered portion 8.

[0067] S5. Splice the cantilevered steel pipe 4 on the short cantilevered portion 17.

[0068] S6. Install the vertical hanger 3 in the second hole, extend the bottom of the vertical hanger 3 to the bottom of the cantilever plate 1, and then connect the bottom of the vertical hanger 3 to the cantilever steel pipe 4.

[0069] S7. Hang the second section of lifeline 7 on the hanging point 5, splice the cantilever steel pipe 4 on the long cantilever part 16, install the vertical hanger 3 in the third hole, and extend the bottom of the vertical hanger 3 to the bottom of the cantilever plate 1, and then connect the bottom of the vertical hanger 3 and the cantilever steel pipe 4.

[0070] S8. Repeat steps S4, S5, S6, and S7 until the vertical hanger 3 is installed in the Nth hole on the cantilever plate 1.

[0071] S9. Remove the wooden board 22 and simultaneously set the steel fence 9 and the bottom net 21, set the horizontal scissors brace, and set the vertical suspension rod 3 diagonal brace 20.

[0072] A bottom net 21 is installed below the steel fence net 9.

[0073] S10. Set a railing 10 on the outside of the vertical boom 3 and install a protective net 11.

[0074] The above detailed description is a specific description of a feasible embodiment of the present invention. The embodiment is not intended to limit the patent scope of the present invention. Any equivalent implementation or modification that does not deviate from the present invention should be included in the patent scope of this case.

Claims

1. A large cantilever platform ceiling scaffolding, characterized by: Including cantilever panels, indoor scaffolding, vertical hangers, cantilever steel pipes, and hanging points; An I-beam is provided at the bottom of the cantilever plate, and a plurality of hanging points are provided on the I-beam and are distributed at intervals along the length direction of the cantilever plate, and the hanging points are used to hang a life rope; The indoor scaffolding is erected at the indoor end of the cantilevered plate, and the horizontal bars of the indoor scaffolding working layer are extended to form an extended portion; The cantilever steel pipes are provided with a plurality of them, which are spliced ​​end to end in the horizontal direction, the cantilevered portion is connected to the cantilevered steel pipe located at the head end, and the cantilevered portion and the cantilevered steel pipe are respectively provided with steel fences; A plurality of vertical suspension rods are provided, the top of each vertical suspension rod is fixed to the cantilever plate, and the plurality of vertical suspension rods are distributed at intervals along the length direction of the cantilever plate, and the bottom of each vertical suspension rod is connected to the corresponding cantilevered portion or the cantilevered steel pipe; Railings and protective nets are arranged on the outer sides of a plurality of the vertical suspension rods.

2. A large cantilever platform ceiling scaffold according to claim 1, characterized in that: A plurality of openings are reserved on the cantilever plate along its length direction, an end ring plate is arranged on the top side of the opening, a single fastener is arranged on the bottom side of the opening, reinforcing ribs are arranged on the end ring plate, and the top of the vertical hanger is fixed in the opening through the end ring plate and the single fastener.

3. A large cantilever platform ceiling scaffold according to claim 2, characterized in that: The cantilevered portion includes a long cantilevered portion and a short cantilevered portion that are distributed alternately. The length of the long cantilevered portion is 3 m, and the length of the short cantilevered portion is 1.5 m.

4. A large cantilever platform ceiling scaffold according to claim 3, characterized in that: The long cantilevered portion and the cantilevered steel pipe, the short cantilevered portion and the cantilevered steel pipe, and the cantilevered steel pipes are connected respectively by U-shaped buckles.

5. A large cantilever platform ceiling scaffold according to claim 4, characterized in that: The length of the cantilevered steel pipe is not less than 3m, the diameter of the opening is 65mm, and the distance between two adjacent openings is not more than 1.5m.

6. A large cantilever platform ceiling scaffold according to claim 5, characterized in that: It also includes an oblique steel wire rope, one end of which is connected to the vertical hanger, and the other end of which is connected to the cantilevered portion or the cantilevered steel pipe.

7. A large cantilever platform ceiling scaffold according to claim 6, characterized in that: An oblique brace is arranged between every two adjacent vertical suspension rods.

8. The large cantilever platform ceiling scaffolding according to claim 6 is characterized by: The hanging point is an ear plate, and the ear plate is arranged by pre-embedding or welding.

9. The large cantilever platform ceiling scaffolding according to claim 8, characterized in that: The indoor scaffolding is a three-row scaffolding.

10. A method for installing and constructing a large cantilever platform ceiling scaffold, characterized in that: The following steps are involved: S1. Reserve multiple holes distributed at intervals in the length direction of the cantilever plate, and number all the holes in sequence starting from the indoor end of the cantilever plate, namely the first hole, the second hole, the third hole, ..., the Nth hole; S2. A plurality of hanging points are provided at the bottom of the cantilever plate and are spaced apart along the length direction of the cantilever plate; S3. An indoor scaffold is set up at the indoor end of the cantilever plate, and the horizontal rods of the indoor scaffolding working layer are picked out to form a cantilevered portion, and the cantilevered portion is a staggered long cantilevered portion and a short cantilevered portion; S4. Hang the first lifeline on the hanging point, lay and fix the wooden board from the short cantilevered part, install the vertical hanging rod in the first hole, and extend the bottom of the vertical hanging rod to the bottom of the cantilevered plate and connect the bottom of the vertical hanging rod to the cantilevered part; S5. Splice the cantilever steel pipe on the short cantilevered part; S6. Install a vertical hanger in the second hole, extend the bottom of the vertical hanger to the bottom of the cantilever plate, and then connect the bottom of the vertical hanger to the cantilever steel pipe; S7. Hang the second lifeline on the hanging point, splice the cantilever steel pipe on the long cantilevered part, install the vertical hanger in the third hole, extend the bottom of the vertical hanger to the bottom of the cantilever plate, and then connect the bottom of the vertical hanger to the cantilever steel pipe; S8. Repeat step S4, step S5, step S6, and step S7 until the vertical hanger is installed in the Nth hole on the cantilever plate; S9. While removing the wooden planks, install steel fences and bottom nets, install horizontal scissor braces, and install vertical hanging rod diagonal braces; S10. Set up railings on the outside of the vertical boom and install a protective net.

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