A prefabricated steel structure foundation for tower cranes used in existing buildings

Abstract

The utility model discloses an assembled steel structure foundation of a tower crane for existing buildings, belonging to the technical field of construction engineering. It includes a fixing device, a main body and a base. The main body is in a "mouth" - shaped structure. There are four fixing devices. Two of the four fixing devices are in a group and respectively pass through one installation wall, and the four fixing devices are respectively connected to the four sides of the main body. The base is fixed on the upper sides of the four corners of the main body respectively. The tower crane is fixed on the main body through the four bases. By adopting the above - mentioned assembled steel structure foundation of a tower crane for existing buildings, the problem of unable to install the tower crane due to the narrow construction site is solved by installing the tower crane in the vertical shaft of the core tube, greatly improving the vertical transportation efficiency of the renovation project and significantly reducing the construction cost, bringing a substantial improvement to the vertical transportation of the renovation project.

Description

Technical Field

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[0001] The utility model relates to the technical field of construction engineering, and particularly relates to an assembled steel structure foundation of a tower crane for existing buildings. Background Technique

[0002] With the vigorous development of the economy and social productivity and the accelerating urbanization process, the urban industrial functions are also continuously evolving and optimizing. In some large cities, the original building structures are difficult to meet the needs of modern urban development and the pursuit of high-quality life. Therefore, urban renewal has become an inevitable trend of development, and renovation projects have naturally become the core theme of engineering construction in large cities, and their quantity and scale are increasing day by day.

[0003] Since most of these renovation projects are located in the city center, their construction difficulty and complexity are undoubtedly more arduous than those of new construction projects. Especially in the renovation of high-rise and super high-rise buildings, vertical transportation has become a major problem that urgently needs to be solved. Content of the Utility Model

[0004] The purpose of the utility model is to provide an assembled steel structure foundation of a tower crane for existing buildings, which solves the problem that the tower crane cannot be installed due to the narrow construction site by installing the tower crane in the vertical shaft of the core tube, greatly improves the vertical transportation efficiency of the renovation project, and significantly reduces the construction cost, bringing substantial improvement to the vertical transportation of the renovation project.

[0005] To achieve the above purpose, the utility model provides an assembled steel structure foundation of a tower crane for existing buildings, which includes a fixing device, a main body and a base. The main body is in a "mouth" - shaped structure. There are four fixing devices. Two of the four fixing devices are in a group and respectively pass through one installation wall, and the four fixing devices are respectively connected to the four sides of the main body. The base is fixed on the upper sides of the four corners of the main body respectively, and the tower crane is fixed on the main body through the four bases.

[0006] Preferably, one end of each fixing device is located on the two sides of the two installation walls with the farthest distance, and the other end passes through the nearest installation wall and is fixed on the two sides of the two installation walls with the nearest distance. The four fixing devices are on the same horizontal plane of the two installation walls, and the two groups of fixing devices are arranged oppositely.

[0007] Preferably, each fixing device includes a rear embedded plate and an end plate. The rear embedded plate is located on one side of the two sides of the two installation walls with the farthest distance, and the end plate is located on the other side of the installation wall where this rear embedded plate is installed, and the rear embedded plate and the end plate are fixed on this installation wall through a plurality of first fixed double - headed bolts.

[0008] Preferably, the rear embedded plate and the end plate in each fixing device are arranged parallel to each other, and each first fixing double-headed bolt is perpendicular to the rear embedded plate and the end plate. Both the rear embedded plate and the end plate are steel plates.

[0009] Preferably, the main body includes steel beams and connecting secondary beams. There are two steel beams, each of which is welded to two opposite end plates in two sets of fixing devices. There are also two connecting secondary beams, which are located between the two steel beams and welded perpendicularly to the steel beams.

[0010] Preferably, the steel beam is a box-shaped structure welded from four steel plates, and the connecting secondary beam is also a box-shaped structure welded from four steel plates.

[0011] Preferably, the four bases are located on the two steel beams, near the end plates and away from the ground, and each base is welded to the steel beams on all four sides.

[0012] Preferably, the base includes a base plate, a fixing plate, and a fixing bucket. The base plate is a cuboid structure, and one side of the base plate is welded to the steel beam. The fixing bucket is welded to the center of the opposite side. The fixing plate has four parts that are connected to the fixing bucket and the base plate respectively, dividing the side with the fixing bucket into four equal parts. Each part has a through hole at its center.

[0013] Preferably, a fixing bucket is inserted into each of the four corners of the bottom of the tower crane, and the tower crane is fixed to the steel beam by using a second fixing double-headed bolt through the through hole through the bottom plate and the steel beam.

[0014] Therefore, this utility model adopts the above-mentioned structure for a prefabricated steel structure foundation for tower cranes in existing buildings. The structure is simple, the materials are all common construction materials, which are convenient and readily available. It can effectively solve the problem that tower cranes cannot be installed in urban renewal projects of high-rise buildings due to the small construction site. Moreover, the device is easy to disassemble and can be reused.

[0015] The technical solution of this utility model will be further described in detail below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of a prefabricated steel structure foundation for a tower crane used in existing buildings, according to the present invention.

[0017] Figure 2 This is a front view of a prefabricated steel structure foundation for a tower crane used in existing buildings, according to the present invention.

[0018] Figure Labels

[0019] 1. Fixing device; 11. Rear embedded plate; 12. End plate; 13. First fixing double-ended bolt; 2. Main body; 21. Steel beam; 22. Connecting secondary beam; 3. Base; 31. Base plate; 311. Through hole; 32. Fixing plate; 33. Fixing barrel; 4. Tower crane; 41. Second fixing double-ended bolt; 5. Installed wall. Detailed Implementation

[0020] Example

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0023] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0024] In the description of this utility model, it should be noted that the terms "upper", "lower", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the utility model product is usually placed in during use. 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.

[0025] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," and "connect" 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.

[0026] The following will describe in detail some embodiments of the present utility model in conjunction with the accompanying drawings. Without conflict, the following embodiments and the features in the embodiments can be combined with each other.

[0027] As Figure 1 and Figure 2 shown, a prefabricated steel structure foundation of a tower crane for existing buildings of the present utility model includes a fixing device 1, a main body 2 and a base 3. The main body 2 has a "mouth" - shaped structure. There are four fixing devices 1. Two of the four fixing devices 1 are in a group and respectively pass through one mounting wall 5 (core tube shaft structure), and the four fixing devices 1 are respectively connected to the four sides of the main body 2. The base 3 is fixed on the upper sides of the four corners of the main body 2 respectively, and the tower crane 4 is fixed on the main body 2 through the four bases 3.

[0028] One end of each fixing device 1 is located on the two sides of the two mounting walls 5 with the farthest distance, and the other end passes through the nearest mounting wall 5 to be fixed on the two sides of the two mounting walls 5 with the nearest distance. The four fixing devices 1 are located on the same horizontal plane of the two mounting walls 5, and the two groups of fixing devices 1 are arranged oppositely.

[0029] Each fixing device 1 includes a rear embedded plate 11 and a head plate 12. The rear embedded plate 11 is located on one side of the two sides of the two mounting walls 5 with the farthest distance, and the head plate 12 is located on the other side of the mounting wall 5 where this rear embedded plate 11 is installed, and the rear embedded plate 11 and the head plate 12 are fixed on this mounting wall 5 through a number of first fixed double - headed bolts 13.

[0030] The rear embedded plate 11 and the head plate 12 in each fixing device 1 are arranged parallel to each other, and each first fixed double - headed bolt 13 is perpendicular to the rear embedded plate 11 and the head plate 12. Both the rear embedded plate 11 and the head plate 12 are steel plates.

[0031] The main body 2 includes steel beams 21 and connecting secondary beams 22. There are two steel beams 21. Each steel beam 21 is welded to two opposite head plates 12 in the two groups of fixing devices 1 respectively. There are also two connecting secondary beams 22. The two connecting secondary beams 22 are located between the two steel beams 21 and are perpendicularly welded to the steel beams 21.

[0032] The steel beam 21 is a box - type structure welded by four steel plates, and the connecting secondary beam 22 is also a box - type structure welded by four steel plates.

[0033] The four bases 3 are respectively located on the steel beams 21 near the head plates 12 and far from the ground, and the periphery of each base 3 is welded to the steel beam 21.

[0034] The base 3 includes a base plate 31, a fixing plate 32, and a fixing barrel 33. The base plate 31 is a cuboid structure, and one side of the base plate 31 is welded to the steel beam 21. The fixing barrel 33 is welded to the center of the opposite side. The fixing plate 32 has four plates that are respectively connected to the fixing barrel 33 and the base plate 31, dividing the side with the fixing barrel 33 into four equal parts. A through hole 311 is opened in the center of each part.

[0035] A fixing bucket 33 is inserted into each of the four corners of the bottom of the tower crane 4, and the tower crane 4 is fixed to the steel beam 21 by using the second fixing double-headed bolt 41 through the through hole 311 through the bottom plate 31 and the steel beam 21.

[0036] When in use, the entire device is fixed to the wall of the core shaft structure using the fixing device 1. Then, the tower crane 4 is fixed to the device for operation. After the operation is completed, the first fixing double-headed bolt 13 is removed to retrieve the device for future use.

[0037] Therefore, this utility model provides a prefabricated steel structure foundation for tower cranes in existing buildings, employing the aforementioned structure. The materials used in the device are common and readily available construction materials. Furthermore, this device effectively solves the problem of limited construction space in urban renewal projects for high-rise buildings, preventing the installation of tower cranes. It also avoids the low efficiency and long construction period associated with traditional reinforced concrete tower crane foundations. Moreover, the device is reusable.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and not to limit it. Although the utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can still be made to the technical solution of this utility model, and these modifications or equivalent substitutions cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of this utility model.

Claims

1. A prefabricated steel structure foundation for tower cranes used in existing buildings, characterized in that: It includes fixing devices, a main body and a base. The main body is in a "mouth" - shaped structure. There are four fixing devices. Two of the four fixing devices form a group and respectively pass through one mounting wall, and the four fixing devices are respectively connected to the four sides of the main body. The base is fixed to the upper sides of the four corners of the main body respectively. The tower crane is fixed to the main body through the four bases.

2. The prefabricated steel structure foundation for tower cranes in existing buildings according to claim 1, characterized in that: One end of each fixing device is located on the two sides of the two mounting walls that are farthest apart, and the other end passes through the nearest mounting wall and is fixed on the two sides of the two mounting walls that are closest together. The four fixing devices are at the same horizontal plane of the two mounting walls, and the two groups of fixing devices are arranged oppositely.

3. The prefabricated steel structure foundation for a tower crane in an existing building according to claim 2, characterized in that: Each fixing device includes a rear embedded plate and an end plate. The rear embedded plate is located on one side of the two sides of the two mounting walls that are farthest apart, and the end plate is located on the other side of the mounting wall where this rear embedded plate is installed. And the rear embedded plate and the end plate are fixed to this mounting wall through a number of first fixed double - headed bolts.

4. The prefabricated steel structure foundation for tower cranes in existing buildings according to claim 3, characterized in that: The rear embedded plate and the end plate in each fixing device are arranged parallel to each other, and each first fixed double - headed bolt is perpendicular to both the rear embedded plate and the end plate. Both the rear embedded plate and the end plate are steel plates.

5. A prefabricated steel structure foundation for a tower crane in an existing building according to claim 4, characterized in that: The main body includes steel beams and connecting secondary beams. There are two steel beams. Each steel beam is welded to two opposite end plates in the two groups of fixing devices respectively. There are also two connecting secondary beams. The two connecting secondary beams are located between the two steel beams and are perpendicularly welded to the steel beams.

6. A prefabricated steel structure foundation for a tower crane in an existing building according to claim 5, characterized in that: The steel beam is a box - shaped structure welded by four steel plates. The connecting secondary beam is also a box - shaped structure welded by four steel plates.

7. A prefabricated steel structure foundation for a tower crane in an existing building according to claim 6, characterized in that: The four bases are respectively located at positions on the two steel beams close to the end plates and far from the ground, and the periphery of each base is welded to the steel beam.

8. A prefabricated steel structure foundation for a tower crane in an existing building according to claim 7, characterized in that: The base includes a bottom plate, a fixing plate and a fixing barrel. The bottom plate is in a cuboid structure, and one side of the bottom plate is welded to the steel beam. The fixing barrel is welded at the center position of the opposite side. There are four fixing plates respectively connected to the fixing barrel and the bottom plate, dividing the side with the fixing barrel into four equal parts, and a through - hole is opened at the center position of each part.

9. A prefabricated steel structure foundation for a tower crane in an existing building according to claim 8, characterized in that: The four corners of the bottom of the tower crane are respectively inserted into a fixing barrel, and the tower crane is fixed to the steel beam by using second fixed double - headed bolts to pass through the through - holes and penetrate the bottom plate and the steel beam.

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