Flexible supporting platform device for large-span reticulated shell assembly

Abstract

The utility model relates to the technical field of building construction, and provides a flexible supporting platform device for large-span reticulated shell splicing, which comprises a concrete ring beam, a concrete floor and a grid soft platform formed by vertically and horizontally interweaving steel wire ropes, the concrete ring beam is arranged on the periphery of a large-span reticulated shell to be assembled; the concrete floor slab is connected to the periphery of the concrete ring beam; the grid soft platform is arranged below the large-span latticed shell to be assembled, and a steel wire rope of the grid soft platform penetrates through the concrete ring beam to be connected with the concrete floor. A flexible supporting platform is provided for splicing of a large-span reticulated shell, the installation height of an all-round scaffold is reduced, the high-altitude operation risk is avoided, the structure forming quality is improved, and safe construction of the structure is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of building construction technology, and particularly relates to a flexible support platform device for large-span net shell assembly. BACKGROUND

[0002] In the construction process of large-span steel structures, the structure form is complex, the structural geometric size precision is high, and high-altitude operation is much, and the risk of high-altitude operation in construction is great, when large-span steel net shell and other structures are constructed, the performance of hoisting equipment is often limited, and a high-altitude scattered assembly construction method needs to be used, so the construction difficulty is great, and the operation risk is great, therefore, a flexible support platform device for large-span net shell assembly is urgently needed to solve the above problems. CONTENT OF UTILITY MODEL

[0003] In view of the problems in the prior art, the application provides a flexible support platform device for large-span net shell assembly, which solves the assembly and construction problems of large-clearance large-span nonlinear force characteristics structure.

[0004] The utility model provides a flexible support platform device for large-span net shell assembly, it includes: concrete ring beam, concrete floor and the grid soft platform that is interwoven by steel wire rope longitudinal and transverse, the concrete ring beam sets up in the periphery of large-span net shell that is about to assemble, the concrete floor is connected in the periphery of concrete ring beam, the grid soft platform sets up below large-span net shell that is about to assemble, and the steel wire rope of grid soft platform is connected with concrete floor through concrete ring beam.

[0005] Further, the steel wire rope of the grid soft platform includes longitudinally and transversely interwoven steel wire rope main cable and steel wire rope secondary cable;The steel wire rope main cable is located above the steel wire rope secondary cable.

[0006] Further, the length direction of the steel wire rope main cable is arranged along the short axis direction of the grid soft platform, and the length direction of the steel wire rope secondary cable is arranged along the long axis direction of the grid soft platform.

[0007] Further, a plurality of sleeves penetrating the concrete ring beam are pre-buried on the concrete ring beam;Both ends of the steel wire rope main cable and the steel wire rope secondary cable respectively pass through the sleeves at corresponding positions and are anchored to the concrete floor.

[0008] Further, a plurality of embedded parts are provided on the concrete floor, and a steel wire rope snap ring is provided on the embedded part;The steel wire rope main cable or the steel wire rope secondary cable passing through the sleeve is connected with the steel wire rope snap ring.

[0009] Further, a footboard is paved on the grid soft platform.

[0010] Further, the scaffold boards comprise scaffold board one, scaffold board two and scaffold board three connected in sequence from bottom to top.

[0011] Further, the periphery of the scaffold board abuts against the inner wall of the concrete ring beam.

[0012] Further, the inner wall of the concrete ring beam is provided with a concrete rib plate corresponding to the position of the concrete floor.

[0013] The beneficial effects of the utility model are as follows: the grid soft platform woven by the steel wire ropes is connected with the concrete floor after passing through the concrete ring beam, the grid soft platform is located below the large-span net shell to be assembled, flexible supporting platform is provided for the assembly of the large-span net shell, the full-frame scaffold for assembling the net shell can be directly installed on the grid soft platform, the installation height of the full-frame scaffold is reduced, the construction problem of high construction height and difficult assembly of complex structure of the large-span steel structure is solved, the operation height of construction operation is reduced, the risk of high-altitude operation is avoided, the structure forming quality is improved, and the safe construction of the structure is realized. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a plane structure schematic view of the flexible supporting platform device for large-span net shell assembly of the utility model.

[0015] Figure 2 It is a side view partial enlarged structure schematic view of the grid soft platform connected with the concrete floor after passing through the concrete ring beam of the utility model.

[0016] Figure 3 It is a partial enlarged structure schematic view of Figure 1 .

[0017] Figure 4 It is a partial enlarged structure schematic view of Figure 2 .

[0018] In the drawing, 10 is a concrete ring beam, 11 is a sleeve, 12 is a steel wire rope clasp, 13 is a pre-embedded part, 14 is a concrete floor, 20 is a steel wire rope main cable, 21 is a steel wire rope secondary cable, 30 is scaffold board one, 31 is scaffold board two, and 32 is scaffold board three. DETAILED DESCRIPTION

[0019] The utility model will be further described in detail in combination with the drawings and specific embodiments.

[0020] As Figures 1-4The flexible support platform device for assembling large-span net shell shown comprises a concrete ring beam 10, a concrete floor 14, and a grid soft platform formed by steel wire ropes being interwoven longitudinally and transversely; the concrete ring beam 10 is arranged at the periphery of the large-span net shell to be assembled; the concrete floor 14 is connected to the periphery of the concrete ring beam 10, and the inner wall of the concrete ring beam 10 is further provided with a concrete rib plate at the position corresponding to the concrete floor 14, the concrete rib plate can be part of the concrete floor 14, and the concrete floor 14 and the concrete ring beam 10 can be existing structures of a building; for example, the large-span net shell to be constructed in the embodiment is located at the top of an existing building, and the existing building comprises the concrete ring beam 10 and the concrete floor 14; according to the construction height of the large-span net shell, the grid soft platform is constructed at the inner side of the concrete ring beam 10 at a suitable height, and then a full-frame scaffold for assembling the net shell is erected on the grid soft platform, so that the erection period of the full-frame scaffold can be greatly shortened, the construction height is reduced, and the construction is safer; the grid soft platform is arranged below the large-span net shell to be assembled, and the steel wire ropes of the grid soft platform are connected to the concrete floor 14 through the concrete ring beam 10.

[0021] The steel wire ropes of the grid soft platform comprise longitudinal and transverse interwoven main steel wire ropes 20 and secondary steel wire ropes 21; the main steel wire ropes 20 are located above the secondary steel wire ropes 21. The length direction of the main steel wire ropes 20 is arranged along the short axis direction of the grid soft platform, and the length direction of the secondary steel wire ropes 21 is arranged along the long axis direction of the grid soft platform. The main steel wire ropes 20 serve as the main force-bearing steel ropes, and the secondary steel wire ropes 21 serve as the secondary force-bearing steel ropes. The main steel wire ropes 20 and the secondary steel wire ropes 21 need to be tensioned to 20% to 30% of the breaking tension of the steel wire ropes.

[0022] A plurality of sleeves 11 penetrating the concrete ring beam 10 are pre-buried on the concrete ring beam 10, and the sleeves 11 can be made of PVC; the two ends of the main steel wire ropes 20 and the secondary steel wire ropes 21 respectively pass through the sleeves 11 at the corresponding positions and are anchored to the concrete floor 14. A plurality of pre-buried parts 13 are arranged on the concrete floor 14, and the pre-buried parts 13 are provided with steel wire rope clamps 12; the main steel wire ropes 20 or the secondary steel wire ropes 21 passing through the sleeves 11 are connected to the steel wire rope clamps 12. The two ends of each main steel wire rope 20 or each secondary steel wire rope 21 are connected to the steel wire rope clamps 12 on the concrete floor 14 after passing through one sleeve 11.

[0023] A scaffold board is further laid on the grid soft platform. The scaffold board comprises scaffold board one 30, scaffold board two 31, and scaffold board three 32 which are sequentially laid and connected from bottom to top. The periphery of the scaffold board abuts against the inner wall of the concrete ring beam 10.

[0024] The construction steps of the flexible support platform device for assembling large-span net shell in the embodiment are as follows:

[0025] Preparation for implementation:

[0026] The sleeve is pre-buried in the middle of the concrete ring beam 10, and the embedded part 13 is pre-buried in the concrete floor 14, and the wire rope clasp 12 is arranged above the embedded part 13.

[0027] The relevant construction scheme is prepared in advance, and the length and diameter of the wire rope, the stress condition of the scaffold board, the stress condition above the flexible platform (full scaffold operation or mobile scaffold operation can be set), and the deflection of the flexible platform are calculated and reviewed in the construction scheme.

[0028] Implementation process:

[0029] 1. A flexible platform is arranged on the concrete ring beam 10, and each main wire rope 20 or each secondary wire rope 21 is sleeved with a sleeve 11.

[0030] 2. The main wire rope 20 and the secondary wire rope 21 are tensioned to 20% to 30% of the breaking tension of the wire rope, and the main wire rope 20 and the secondary wire rope 21 are fixed on the wire rope clasp 12.

[0031] 3. Three layers of scaffold boards are arranged above the main wire rope 20, and the recommended size of each scaffold board of each layer is 2m x 1m.

[0032] 4. After the scaffold board is laid, the steel structure construction stage is entered, and a full scaffold or a mobile scaffold can be set above the flexible support platform, that is, the scaffold board, and one steel pipe support is arranged on each side of the mobile scaffold, the upper end is connected with the scaffold by a rotating buckle, and the bottom end is a free end to prevent the scaffold from tilting, the deflection of the flexible platform is monitored, and the deflection of the flexible support platform is controlled to be 1 / 45.

[0033] 5. After the implementation is completed, the related measures are removed.

[0034] The above is only a preferred embodiment of the present application, and the protection scope of the present application is not limited to the above embodiment. Any technical solution under the idea of the present application belongs to the protection scope of the present application. It should be noted that, for ordinary technical personnel in the technical field, some improvements and decorations without departing from the principle of the present application are also considered as the protection scope of the present application.

Claims

1. A flexible support platform device for assembling large span latticed shells, characterized in that, The invention relates to a construction method for a large-span space grid structure, comprising: a concrete ring beam, a concrete floor and a soft platform of steel wire ropes interlaced in a grid pattern; the concrete ring beam is arranged at the periphery of a large-span space grid structure to be assembled; the concrete floor is connected to the periphery of the concrete ring beam; the soft platform of steel wire ropes is arranged below the large-span space grid structure to be assembled, and the steel wire ropes of the soft platform of steel wire ropes are connected to the concrete ring beam and the concrete floor.

2. The flexible support platform device for assembling large-span latticed shell according to claim 1, characterized in that, The steel wire ropes of the soft platform of steel wire ropes comprise main ropes and secondary ropes interlaced in a grid pattern, and the main ropes are arranged above the secondary ropes.

3. The flexible support platform device for assembling large-span latticed shell according to claim 2, characterized in that, The length direction of the main ropes is arranged along the short axis direction of the soft platform of steel wire ropes, and the length direction of the secondary ropes is arranged along the long axis direction of the soft platform of steel wire ropes.

4. The flexible support platform device for assembling large-span latticed shell according to claim 2, characterized in that, A plurality of sleeves are pre-buried in the concrete ring beam and penetrate the concrete ring beam, and the two ends of the main ropes and the secondary ropes are respectively connected to the sleeves at corresponding positions and anchored to the concrete floor.

5. The flexible support platform device for assembling large-span latticed shell according to claim 4, characterized in that, A plurality of pre-buried members are arranged on the concrete floor, and the pre-buried members are provided with wire rope clamps, and the main ropes or the secondary ropes penetrating the sleeves are connected to the wire rope clamps.

6. The flexible support platform device for assembling large-span latticed shell according to any one of claims 1-5, characterized in that, A scaffold board is further arranged on the soft platform of steel wire ropes.

7. The flexible support platform device for assembling large-span latticed shell according to claim 6, characterized in that, The scaffold board comprises a first scaffold board, a second scaffold board and a third scaffold board arranged in sequence from bottom to top.

8. The flexible support platform device for assembling large-span latticed shell according to claim 6, characterized in that, The periphery of the scaffold board abuts against the inner wall of the concrete ring beam.

9. The flexible support platform device for assembling large-span latticed shell according to claim 1, characterized in that, The inner wall of the concrete ring beam is further provided with a concrete rib plate corresponding to the position of the concrete floor.

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