A backstop device of an ultra-high-rise building construction elevator

Abstract

The utility model relates to building technical field discloses a kind of backstop devices of super high-rise building construction elevator, including multiple support pieces, multiple support pieces are sequentially arranged on each floor, the axis of multiple support pieces is located on same straight line and is located at the bottom of construction elevator, support piece includes support column, ceiling, bottom plate and jacking wedge, ceiling is fixedly arranged on the top surface of support column, jacking wedge is connected between the bottom surface of support column and bottom plate, ceiling is connected on floor top surface, bottom plate is arranged on floor bottom surface;The utility model can support continuously layer by layer, effectively realize micro-gap compensation, ensure load stable transmission, satisfy construction elevator bearing, satisfy structure stress.

Description

Technical Field

[0001] This utility model relates to the field of building technology, and in particular to a top-return device for a construction elevator in a super high-rise building. Background Technology

[0002] In the construction of super high-rise buildings, construction elevators are indispensable vertical transportation equipment. The installation of construction elevators is crucial; if the foundation load of the construction elevator exceeds the load of the structural slab, it will pose a significant safety hazard. In some super high-rise building construction projects, the standard sections of construction elevators are installed at high heights, resulting in large foundation loads and high requirements for the load-bearing capacity of the structural slabs. Typically, in super high-rise projects, the structural slab load is insufficient to meet the load-bearing requirements of the construction elevator, necessitating backfilling measures to prevent excessive deformation of the structural slabs, which could lead to damage and safety accidents.

[0003] The general method for backfilling projects is to set up disc-lock scaffolding or steel pipe scaffolding. The scaffolding backfilling covers a wide area, but the rental fee for traditional backfilling methods is relatively high. Backfilling measures are carried out from the main structure construction stage to the decoration and finishing construction stage, which is expensive. In the basement, there are multiple sub-projects under construction. The backfilling scaffolding occupies space that conflicts with the secondary structure construction and the installation of electromechanical pipelines, which affects the construction progress, causes construction to be delayed, and affects the construction period. Utility Model Content

[0004] The purpose of this utility model is to provide a top-return device for construction elevators in super high-rise buildings, which can provide continuous support layer by layer, effectively realize micro-gap compensation, ensure stable load transmission, meet the load-bearing requirements of construction elevators, and meet the structural stress requirements.

[0005] To achieve the above objectives, this utility model provides a top-return device for a construction elevator in a super high-rise building, comprising multiple support members, which are arranged one by one on each floor. The axes of the multiple support members are located on the same straight line and at the bottom of the construction elevator. Each support member includes a support column, a top plate, a bottom plate, and a lifting wedge block. The top plate is fixed to the top surface of the support column, and the lifting wedge block is connected between the bottom surface of the support column and the bottom plate. The top plate is connected to the top surface of the floor, and the bottom plate is located on the bottom surface of the floor.

[0006] As a preferred embodiment of this utility model, the top plate is connected to the floor top surface by chemical bolts.

[0007] As a preferred embodiment of this utility model, the upper inclined surface of the lifting wedge block is welded to the bottom surface of the support column, and the bottom plane of the lifting wedge block is welded to the base plate.

[0008] As a preferred embodiment of this utility model, the area of ​​the top plate in the support member located on the top floor is greater than the area of ​​the bottom plate, and the area of ​​the top plate in the remaining support members is equal to the area of ​​the bottom plate.

[0009] As a preferred embodiment of this utility model, a reinforcing rib is provided between the support column and the top plate.

[0010] As a preferred embodiment of this utility model, when the top surface of the uppermost floor is a slope, the gap between the supporting column and the top plate in the uppermost floor is filled with high-strength grout.

[0011] As a preferred embodiment of this utility model, the support column is a round steel column, and four lifting wedge blocks are provided and evenly spaced at the bottom of the support column.

[0012] As a preferred embodiment of this utility model, the axis of the support member is aligned with the center of the standard section of the construction elevator.

[0013] Compared with the prior art, the advantages of the top-return device for a construction elevator in a super high-rise building according to this utility model embodiment are as follows:

[0014] This utility model provides back support for the bottom of the construction elevator through a back support device, which backs up from the top surface of the first floor to the bottom surface of the basement (basement floor slab), achieving continuous support layer by layer, meeting the load-bearing capacity of the construction elevator and the structural stress requirements; and the axes of the support components are located on the same straight line to ensure that the axial force of the back support can be accurately transmitted, reducing eccentric moments; the wedge-shaped block is wedged between the bottom surface of the support column and the base slab, which can compensate for floor slab construction errors, achieve micro-gap compensation, and ensure stable load transmission. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly described below.

[0016] Figure 1 A schematic diagram of the top-return device for a construction elevator in a super high-rise building provided by this utility model;

[0017] Figure 2 A schematic diagram of the installation structure of the lifting wedge block and the reinforcing rib provided by this utility model;

[0018] Figure 3 A schematic diagram of the top plate provided by this utility model;

[0019] Figure 4 A schematic diagram of the structure of the base plate provided by this utility model;

[0020] In the figure, support component 1; support column 11; top plate 12; bottom plate 13; lifting wedge block 14; chemical bolt 15; reinforcing rib plate 16; construction elevator 2; floor top surface 3; floor bottom surface 4. Detailed Implementation

[0021] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.

[0022] In the description of this utility model, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0023] like Figures 1 to 4 As shown, a preferred embodiment of the present invention provides a top-return device for a construction elevator in a high-rise building, comprising multiple support members 1, which are arranged one by one on each floor. The axes of the multiple support members 1 are located on the same straight line and at the bottom of the construction elevator 2. Each support member 1 includes a support column 11, a top plate 12, a bottom plate 13, and a lifting wedge block 14. The top plate 12 is fixed to the top surface of the support column 11, and the lifting wedge block 14 is connected between the bottom surface of the support column 11 and the bottom plate 13. The top plate 12 is connected to the top surface 3 of the floor, and the bottom plate 13 is disposed on the bottom surface 4 of the floor.

[0024] This utility model provides back support for the bottom of the construction elevator 2 through a back support device, which backs up from the top surface of the first floor to the bottom surface of the basement (basement floor slab 13), achieving continuous support layer by layer, satisfying the load-bearing capacity of the construction elevator 2 and the structural stress requirements; and the axes of the support members 1 are located on the same straight line to ensure that the axial force of the back support can be accurately transmitted, reducing the eccentric moment; the lifting wedge block 14 is wedged between the bottom surface of the support column 11 and the base slab 13, which can compensate for the floor construction error, realize micro-gap compensation, and ensure stable load transmission.

[0025] For example, the top plate 12 is connected to the floor top surface 3 by chemical bolts 15. The chemical bolts 15 absorb the high-frequency vibration energy when the construction elevator 2 starts and stops, thereby improving the connection stability between the top plate 12 and the floor top surface 3.

[0026] Furthermore, the upper inclined surface of the lifting wedge block 14 is welded to the bottom surface of the support column 11, and the bottom plane of the lifting wedge block 14 is welded to the base plate 13. When installing the support member 1, the support column 11 is erected and moved to the positioning position. Then, a jack is used to assist in positioning and support the support column 11. The lifting wedge block 14 is then inserted between the bottom surface of the support column 11 and the base plate 13, and the lifting wedge block 14 is tightened. The jack is then removed, and the lifting wedge block 14 is welded to the bottom surface of the support column 11 and the base plate 13 to ensure that both ends of the support member 1 are effectively pressed against the top surface 3 and the bottom surface 4 of the floor.

[0027] For example, in the support member 1 located on the top floor, the area of ​​the top plate 12 is larger than the area of ​​the bottom plate 13. In the other support members 1, the area of ​​the top plate 12 is equal to the area of ​​the bottom plate 13. The top floor is the basement. Since the support member 1 on the top floor bears the maximum cumulative load, increasing the area of ​​the top plate 12 can expand the bearing capacity and distribute the load in the high-rise area. In the lower floors, material usage is optimized and saved under the premise of standardized plates. In this embodiment, the diameter of the support column 11 is 300mm and the wall thickness of the support column 11 is 10mm. The size of the top plate 12 of the support member 1 on the top floor is 1000*1000mm, and the size of the bottom plate 13 is 800*800mm. The size of the top plate 12 and the bottom plate 13 on the other floors is 800*800mm. The thickness of all plates is 20mm.

[0028] For example, such as Figure 2 , Figure 3 As shown, a reinforcing rib 16 is provided between the support column 11 and the top plate 12 to improve the bending stiffness of the connection area between the support column 11 and the top plate 12 and to disperse the local stress at the connection between the top plate 12 and the floor slab.

[0029] Specifically, when the top surface of the uppermost floor is sloping, the gap between the supporting column 11 and the top slab 12 in the uppermost floor is filled with high-strength grout. Since the top surface of part of the uppermost floor (i.e. the bottom of the basement structural slab) is sloping, the top slab 12 at the top of the supporting column 11 cannot fully contact the top surface, which poses a quality hazard. By pouring and leveling C60 high-strength grout in the gap between the supporting column 11 and the top slab 12, the grout filling layer forms a secondary stress structure, which improves the uniformity of surface load distribution and makes the force transmission path between the supporting column 11 and the top slab 12 clear and the stress is complete.

[0030] For example, the support column 11 is a round steel column, and the lifting wedge block 14 is provided with four evenly spaced at the bottom of the support column 11. The four-point support improves the structural stability, and the insertion depth of each lifting wedge block 14 can be adjusted independently to adapt to local unevenness of the floor slab. Specifically, the lifting wedge block 14 is a right trapezoidal structure or a right triangle structure.

[0031] For example, the axis of the support member 1 is aligned with the center of the standard section of the construction elevator 2, ensuring that the load transfer path of the jacking device coincides with the center of gravity of the construction elevator 2.

[0032] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0033] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and substitutions can be made without departing from the technical principles of the present utility model, and these improvements and substitutions should also be considered within the protection scope of the present utility model.

Claims

1. A top-return device for a construction elevator in a super high-rise building, characterized in that, The system includes multiple support components, which are sequentially installed on each floor. The axes of the multiple support components are located on the same straight line and at the bottom of the construction elevator. Each support component includes a support column, a top plate, a bottom plate, and a lifting wedge block. The top plate is fixed to the top surface of the support column, and the lifting wedge block is connected between the bottom surface of the support column and the bottom plate. The top plate is connected to the top surface of the floor, and the bottom plate is located on the bottom surface of the floor.

2. The top-return device for a construction elevator in a super high-rise building as described in claim 1, characterized in that, The top plate is connected to the floor ceiling using chemical bolts.

3. The top-return device for a construction elevator in a super high-rise building as described in claim 1, characterized in that, The upper inclined surface of the lifting wedge block is welded to the bottom surface of the support column, and the bottom plane of the lifting wedge block is welded to the base plate.

4. The top-return device for a construction elevator in a super high-rise building as described in claim 1, characterized in that, The area of ​​the top plate in the support member located on the top floor is greater than the area of ​​the bottom plate, while the area of ​​the top plate in the remaining support members is equal to the area of ​​the bottom plate.

5. The top-return device for a construction elevator in a super high-rise building as described in claim 1, characterized in that, A reinforcing rib is provided between the support column and the top plate.

6. The top-return device for a construction elevator in a super high-rise building as described in claim 1, characterized in that, When the top surface of the uppermost floor is sloping, the gap between the supporting column and the top slab in the uppermost floor is filled with high-strength grout.

7. The top-return device for a construction elevator in a super high-rise building as described in claim 1, characterized in that, The support column is a round steel column, and four lifting wedge blocks are provided at the bottom of the support column and are evenly spaced.

8. The top-return device for a construction elevator in a super high-rise building as described in claim 1, characterized in that, The axis of the support component is aligned with the center of the standard section of the construction elevator.

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