Tower crane mounted on top plate of basement

Abstract

The utility model discloses a post-mounted tower crane on a basement top plate, which comprises a basement bottom plate, a steel wedge block is arranged at the top of the basement bottom plate, a lattice column is arranged at the top of the steel wedge block, the basement top plate is arranged at the top of the lattice column, a #-shaped frame is arranged at the top of the basement top plate, and a steel wedge block is arranged at the top of the #-shaped frame. A tower crane is arranged at the top of the #-shaped frame, a base is arranged at the bottom of the tower crane, a fastening bolt is arranged in the base, a pressing plate is arranged on the outer wall of the #-shaped frame, a long bolt is arranged in the pressing plate, and transverse reinforcing rods and inclined reinforcing rods are welded to the outer walls of the latticed columns correspondingly. According to the device, tower cranes can be added under the limited environment of a constructed basement roof, stress is reasonable, it is guaranteed that the tower cranes run stably, safely and reliably, assembly type components are assembled and can be recycled, and meanwhile structural safety is guaranteed from the force transmission device to the foundation bottom plate.

Description

Technical Field

[0001] The utility model belongs to the technical direction of tower crane installation, and particularly relates to a tower crane installed later on the basement roof. Background Art

[0002] In the large-scale development of residential projects, due to various factors, the project has stagnated. The basement and the above-ground structure, and some floors have been constructed. After resuming work, other units organize the construction, quickly top off, carry out decoration, ensure the completion node, and the construction period is tight. It is necessary to invest multiple tower cranes to speed up the construction progress. To maximize the lifting efficiency, it is necessary to add a tower crane on the basement roof. Therefore, there is an urgent need for a tower crane installed later on the basement roof to solve the above-mentioned problems. Content of the Utility Model

[0003] The purpose of the utility model is to provide a tower crane installed later on the basement roof for the existing device to solve the problems raised in the above background art.

[0004] To solve the above technical problems, the utility model provides the following technical solution: A tower crane installed later on the basement roof, including a basement floor slab, a steel wedge block is arranged on the top of the basement floor slab, a lattice column is arranged on the top of the steel wedge block, a basement roof is arranged on the top of the lattice column, a cross-shaped frame is arranged on the top of the basement roof, a tower crane is arranged on the top of the cross-shaped frame, a base is arranged at the bottom of the tower crane, fastening bolts are arranged inside the base, a pressing plate is arranged on the outer wall of the cross-shaped frame, and long bolts are arranged inside the pressing plate, which is beneficial to realizing the addition of a tower crane under the restricted environment of the already constructed basement roof, with reasonable force, ensuring the stable, safe and reliable operation of the tower crane, and the assembled components can be assembled and reused. At the same time, the force transmission device reaches the foundation floor slab to ensure the structural safety.

[0005] Furthermore, transverse reinforcement bars and diagonal reinforcement bars are respectively welded on the outer wall of the lattice column, and the transverse reinforcement bars and the diagonal reinforcement bars are welded to each other, which facilitates the reinforcement work.

[0006] Furthermore, two cross-shaped frames are symmetrically distributed, which facilitates the support work.

[0007] Furthermore, four bases are provided, and the four bases are symmetrically distributed in pairs, and the bases are connected to the fixed seats at the top of the cross-shaped frame through fastening bolts, which facilitates the installation of the tower crane.

[0008] Furthermore, two groups of pressing plates are symmetrically distributed at both ends of the cross-shaped frame, and each group is provided with two pressing plates. The pressing plates are connected to the basement roof through long bolts, which facilitates the fixation of the cross-shaped frame.

[0009] Compared with the prior art, the beneficial effects achieved by the utility model are as follows: The utility model

[0010] (1) By providing a basement floor slab, lattice columns, horizontal reinforcement bars, diagonal reinforcement bars, basement roof slab, steel wedge blocks, cross-shaped frames, tower cranes, bases, fastening bolts, pressure plates and long bolts, it is beneficial to add a tower crane under the restricted environment of the already constructed basement roof slab, with reasonable force, ensuring the stable, safe and reliable operation of the tower crane. Moreover, the assembled components can be assembled and reused, and at the same time, the force transmission device reaches the foundation floor slab to ensure structural safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The drawings are used to provide a further understanding of the present invention and form a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention. In the drawings:

[0012] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0013] Figure 2 is a partially enlarged schematic diagram of the present invention.

[0014] In the figure: 1, basement floor slab; 2, lattice column; 3, horizontal reinforcement bar; 4, diagonal reinforcement bar; 5, basement roof slab; 6, steel wedge block; 7, cross-shaped frame; 8, tower crane; 9, base; 10, fastening bolt; 11, pressure plate; 12, long bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] The following further describes the technical solution of the present invention in detail in conjunction with the preferred embodiments and their accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0016] Please refer to Figure 1-2 , the present invention provides a technical solution: A tower crane retrofitted on a basement roof slab, including a basement floor slab 1, a steel wedge block 6 is arranged on the top of the basement floor slab 1, a lattice column 2 is arranged on the top of the steel wedge block 6, a basement roof slab 5 is arranged on the top of the lattice column 2, a cross-shaped frame 7 is arranged on the top of the basement roof slab 5, a tower crane 8 is arranged on the top of the cross-shaped frame 7, a base 9 is arranged at the bottom of the tower crane 8, a fastening bolt 10 is arranged inside the base 9, a pressure plate 11 is arranged on the outer wall of the cross-shaped frame 7, and a long bolt 12 is arranged inside the pressure plate 11. It is beneficial to add a tower crane under the restricted environment of the already constructed basement roof slab, with reasonable force, ensuring the stable, safe and reliable operation of the tower crane. Moreover, the assembled components can be assembled and reused, and at the same time, the force transmission device reaches the foundation floor slab to ensure structural safety.

[0017] Furthermore, transverse reinforcement bars 3 and diagonal reinforcement bars 4 are respectively welded to the outer wall of the lattice column 2, and the transverse reinforcement bars 3 and the diagonal reinforcement bars 4 are welded to each other, which facilitates the reinforcement work.

[0018] Furthermore, there are two symmetrically distributed cross frames 7, which facilitates the support work.

[0019] Furthermore, there are four bases 9, and the four bases 9 are symmetrically distributed in pairs. The bases 9 are connected to the fixing seats at the top of the cross frame 7 through fastening bolts 10, which facilitates the installation of the tower crane 8.

[0020] Furthermore, there are two groups of pressing plates 11 symmetrically distributed at both ends of the cross frame 7, and each group has two pressing plates 11. The pressing plates 11 are connected to the basement roof 5 through long bolts 12, which facilitates the fixation of the cross frame 7.

[0021] During use, first, the lattice column 2 is used for back jacking. During the back jacking process, steel wedge blocks 6 are used in cooperation with the jack for pre-tightening. The cross frame 7 is used as the foundation of the tower crane above the basement roof 5. After the long bolts 12 pass through the basement roof 5, the cross frame 7 is held on the main beam through the pressing plates 11. Finally, the base 9 is fixed to the fixing seat at the top of the cross frame 7 through the fastening bolts 10, and a series of installation work can be completed. The overall structure is reasonably stressed, ensuring the stable, safe and reliable operation of the tower crane.

[0022] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0023] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than to limit it. Although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present utility model.

Claims

1. A tower crane installed later on the basement roof, including a basement floor slab (1), characterized in that: At the top of the basement floor slab (1), there is a steel wedge block (6). At the top of the steel wedge block (6), there is a lattice column (2). At the top of the lattice column (2), there is a basement roof slab (5). At the top of the basement roof slab (5), there is a cross-shaped frame (7). At the top of the cross-shaped frame (7), there is a tower crane (8). At the bottom of the tower crane (8), there is a base (9). Inside the base (9), there are fastening bolts (10). On the outer wall of the cross-shaped frame (7), there is a pressing plate (11). Inside the pressing plate (11), there are long bolts (12).

2. The tower crane installed later on the basement roof according to claim 1, characterized in that: Transversely reinforcing bars (3) and obliquely reinforcing bars (4) are respectively welded to the outer wall of the lattice column (2), and the transversely reinforcing bars (3) and the obliquely reinforcing bars (4) are welded to each other.

3. A tower crane retrofitted on the basement roof according to claim 1, characterized in that: There are two symmetrically distributed cross-shaped frames (7).

4. A tower crane retrofitted on the basement roof according to claim 1, characterized in that: There are four bases (9), and the four bases (9) are symmetrically distributed in pairs. The bases (9) are connected to the fixed seats at the top of the cross-shaped frame (7) through the fastening bolts (10).

5. A tower crane retrofitted on the basement roof according to claim 1, characterized in that: The pressing plates (11) are symmetrically distributed in two groups at both ends of the cross-shaped frame (7), and each group has two.

6. A tower crane retrofitted on the basement roof according to claim 1, characterized in that: The pressing plate (11) is connected to the basement roof slab (5) through the long bolts (12).

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