Tower crane assembly type steel structure foundation and tower crane

Abstract

The utility model provides a tower crane assembly type steel structure foundation and a tower crane. The tower crane assembly type steel structure foundation is characterized by comprising a steel pipe pile foundation driven into a bearing stratum through a driving and pulling machine, a tower footing steel structure beam base and an assembly type counterweight assembly, the tower footing steel structure beam base comprises a base body formed by welding double-spliced I-shaped steel in a crossed mode, pile foundation connecting flanges, balance weight connecting flanges and a tower crane base section connecting flange, wherein the pile foundation connecting flanges and the balance weight connecting flanges are arranged on the upper surfaces and the lower surfaces of the four corner ends of the base body respectively, and the tower crane base section connecting flange is arranged on the upper surface of the center position of the base body. The tower crane foundation is reasonable in structural stress, simple, convenient and rapid to install, and capable of being matched with a corresponding tower crane model to serve as a foundation component to be repeatedly used, and the problems of resource waste and prolonged construction period caused by dismantling of a traditional tower crane foundation are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of construction engineering equipment, and specifically relates to a tower crane assembled steel structure foundation and a tower crane. Background Art

[0002] Tower cranes are widely used in the field of engineering construction. Traditional common tower cranes are mostly reinforced concrete bored piles + reinforced concrete caps with embedded tower base support parts as the foundation, which will be dismantled after the tower crane is used. In the construction environment facing rivers, lakes and soft foundations, the traditional tower crane foundation is often limited by complex and changeable construction conditions, and has the disadvantages of complicated construction and dismantling procedures, long construction period, large construction costs and waste of resources. Utility Model Content

[0003] In view of the above problems, the utility model provides a tower crane assembled steel structure foundation and a tower crane, which have reasonable structural force, simple and quick installation, and can be matched with corresponding tower crane models and reused as their basic components, thus solving the problems of resource waste and extended construction period caused by the dismantling of traditional tower crane foundations.

[0004] The utility model is achieved through the following technical solutions.

[0005] On the one hand, the utility model provides an assembled steel structure foundation for a tower crane, characterized in that it includes: a steel pipe pile foundation driven into the bearing layer by a driving and pulling machine, a tower base steel structure beam base and an assembled counterweight assembly; the tower base steel structure beam base includes a base body formed by cross-welding of double-pieced I-beams, pile foundation connecting flanges and counterweight connecting flanges respectively arranged on the upper and lower surfaces of the four corner ends of the base body, and a tower crane base section connecting flange arranged on the upper surface of the center position of the base body; the tower base steel structure beam base is detachably installed above the steel pipe pile foundation through the pile foundation connecting flange, and the assembled counterweight assembly is detachably installed above the tower base steel structure beam base through the counterweight connecting flange, and an installation cavity penetrating from top to bottom is arranged in the center of the assembled counterweight assembly, and the tower crane base section passes through the installation cavity and is detachably connected to the tower crane base section connecting flange.

[0006] Preferably, a pile foundation reinforcement beam is connected between the tops of adjacent steel pipe piles in the steel pipe pile foundation.

[0007] Preferably, a pipe pile relay reinforcement is movably sleeved up and down inside the top of the steel pipe pile in the steel pipe pile foundation, and a flange plate which is connected and matched with the pile foundation connection flange is arranged on the top of the pipe pile relay reinforcement.

[0008] Preferably, a base body reinforcement beam is connected between adjacent corner ends of the base body.

[0009] Preferably, the assembled counterweight assembly is formed by enclosing and assembling four prefabricated counterweight blocks made of reinforced concrete.

[0010] Preferably, the steel pipe pile foundation is made of seamless steel pipes commonly used in the field of engineering construction.

[0011] Preferably, the top surface of the counterweight connecting flange is provided with a lifting ear for lifting the base of the tower foundation steel beam; the lower surface of the assembled counterweight assembly is provided with an ear groove cooperating with the lifting ear for positioning and installing the assembled counterweight assembly.

[0012] Preferably, a flange reinforcement rib is connected between the pile foundation connection flange and the counterweight connection flange located at the same corner end.

[0013] On the other hand, the utility model provides a tower crane, including a tower crane, characterized in that it also includes the above-mentioned tower crane assembled steel structure foundation, and the tower crane is detachably installed on the tower crane assembled steel structure foundation.

[0014] 1) Simple production and reasonable structural force. The utility model can be processed and manufactured on site using common metal materials, with simple production cost, compact structure, high overall strength and rigidity, and good stability.

[0015] 2) Easy and quick installation. The utility model can be matched with the corresponding tower crane to realize factory prefabrication and production in advance. As the basic accessories of the tower crane of the same model, it has strong adaptability, prefabricated construction, and is easy to install, disassemble and use.

[0016] 3) Improved work efficiency and reduced construction costs. The utility model can effectively reduce the labor and resource consumption in the construction process of the traditional reinforced concrete tower crane foundation. The assembled steel structure foundation of the tower crane can be used repeatedly with the tower crane, and the maintenance and comprehensive amortization costs are low. Its construction work efficiency and the construction quality of key processes are significantly improved, and the effect is remarkable in engineering practice applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the front view of the utility model;

[0018] Figure 2 It is an enlarged schematic diagram of the local structure of the utility model;

[0019] Figure 3 It is a disassembled three-dimensional structural schematic diagram of the local structure of the utility model;

[0020] Figure 4 It is a three-dimensional structural schematic diagram of the local structure of the utility model;

[0021] The meanings of the symbols in the above figure are: steel pipe pile foundation 1, pile foundation reinforcement beam 101, pipe pile relay reinforcement 102, tower foundation steel structure beam base 2, base body 201, pile foundation connecting flange 202, counterweight connecting flange 203, lifting lug 2031, tower crane base section connecting flange 204, base body reinforcement beam 205, flange reinforcement rib 206, assembled counterweight assembly 3, installation cavity 301, counterweight block 302, tower crane 4. DETAILED DESCRIPTION

[0022] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, 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 cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc., are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. Example 1

[0024] A tower crane assembled steel structure foundation, please refer to Figures 1 to 4 , which comprises: a steel pipe pile foundation 1 driven into the bearing layer by a driving and pulling machine, a tower base steel beam base 2 and an assembled counterweight assembly 3; wherein the tower base steel beam base 2 comprises a base body 201 formed by cross-welding of double-pieced I-beams, pile foundation connection flanges 202 and counterweight connection flanges 203 respectively arranged on the upper and lower surfaces of the four corner ends of the base body 201, and a tower crane base segment connection flange 204 arranged on the upper surface of the center position of the base body 201; the tower base steel beam base 2 is detachably installed on the top of the steel pipe pile foundation 1 through the pile foundation connection flange 202, and the assembled counterweight assembly 3 is detachably installed on the top of the tower base steel beam base 2 through the counterweight connection flange 203, and the center of the assembled counterweight assembly 3 is provided with an installation cavity 301 running through from top to bottom, and the tower crane base segment passes through the installation cavity 301 and is detachably connected to the tower crane base segment connection flange 204;

[0025] In the above structure, the steel pipe pile foundation 1 is selected by calculation according to the specifications and mechanical properties of the steel pipe piles according to the corresponding tower crane specifications and models and extreme working conditions before construction; the steel pipe pile foundation 1 is constructed by a driving and pulling machine to the calculated bearing layer to form a steel pipe pile foundation, which not only has sufficient strength, rigidity and stability, but also is simple and fast to construct, can be pulled out and reused, and is easy to install and maintain; a flange is provided on the top of each steel pipe pile of the steel pipe pile foundation 1, and is connected to the pile foundation connection flange 202 by high-strength bolts; in the tower base steel structure beam base 2, the double-piece I-beam selection and processing size of the base body 201 is determined by calculation, and its strength, rigidity and stability meet the requirements of the current national specifications and standards, and a sufficient safety factor reserve is reserved; the assembled counterweight assembly 3 is used to make up for the insufficient weight of the tower base steel structure beam base 2 to increase the stability of the tower base, and the size of the assembled counterweight assembly 3 is prefabricated according to the size of the steel structure beam base, and the anchor hole reserved at the corner end is connected to the counterweight connection flange 203 by precision-rolled threaded steel.

[0026] In order to improve the overall strength and stability of the steel pipe pile foundation 1 , further, in a preferred embodiment, a pile foundation reinforcement beam 101 is connected between the tops of adjacent steel pipe piles in the steel pipe pile foundation 1 .

[0027] Furthermore, in a preferred embodiment, a pipe pile relay reinforcement member 102 is movably sleeved up and down inside the top of the steel pipe pile in the steel pipe pile foundation 1, and a flange plate connected to and matched with the pile foundation connecting flange 202 is provided on the top of the pipe pile relay reinforcement member 102; preferably, the outer diameter of the pipe pile relay reinforcement member 102 is slightly smaller than the steel pipe pile in the steel pipe pile foundation 1, and a cross reinforcement rib is provided inside the pipe pile relay reinforcement member 102 to be connected to the flange plate on its top, and the pipe pile relay reinforcement member 102 is connected between the flange plate of the steel pipe pile foundation 1 and the pile foundation connecting flange 202 to form a force buffer for the connection node and improve the connection stability.

[0028] In order to improve the overall strength and stability of the tower foundation steel structure beam base 2, further, in a preferred embodiment, a base body reinforcement beam 205 is connected between adjacent corner ends of the base body 201.

[0029] Furthermore, in a preferred embodiment, the assembled counterweight assembly 3 is assembled by enclosing four prefabricated counterweight blocks 302 made of reinforced concrete, thereby reducing the processing cost of the assembled counterweight assembly 3 and facilitating the hoisting of the assembled counterweight assembly 3.

[0030] Furthermore, in a preferred embodiment, the steel pipe pile foundation 1 is made of seamless steel pipes commonly used in the field of engineering construction as the pipe pile foundation.

[0031] Furthermore, in a preferred embodiment, the top surface of the counterweight connecting flange 203 is provided with a lifting ear 2031 for lifting the tower base steel beam base 2; the lower surface of the assembled counterweight assembly 3 is provided with an ear groove (not shown in the figure) that cooperates with the lifting ear 2031 for positioning and installing the assembled counterweight assembly 3.

[0032] Since the pile foundation connection flange 202 and the counterweight connection flange 203 at the same corner end are concentrated force-bearing locations, further, in a preferred embodiment, a flange reinforcement rib 206 is connected between the pile foundation connection flange 202 and the counterweight connection flange 203 at the same corner end, thereby improving the force stability at the connection position. Example 2

[0033] A tower crane, see Figures 1 to 4 , including a tower crane 4 and the tower crane assembled steel structure foundation of Example 1, and the tower crane 4 is detachably installed on the tower crane assembled steel structure foundation of Example 1.

Claims

1. A tower crane assembled steel structure foundation, characterized in that include: The steel pipe pile foundation, tower base steel beam base and assembled counterweight assembly are driven into the bearing layer by a driving and pulling machine; The tower base steel structure beam base includes a base body formed by cross-welding of double-piece I-beams, pile foundation connecting flanges and counterweight connecting flanges respectively arranged on the upper and lower surfaces of the four corner ends of the base body, and a tower crane base section connecting flange arranged on the upper surface of the center position of the base body; the tower base steel structure beam base is detachably installed above the steel pipe pile foundation through the pile foundation connecting flange, and the assembled counterweight assembly is detachably installed above the tower base steel structure beam base through the counterweight connecting flange, and an installation cavity penetrating from top to bottom is arranged in the center of the assembled counterweight assembly, and the tower crane base section passes through the installation cavity and is detachably connected to the tower crane base section connecting flange.

2. The tower crane assembled steel structure foundation according to claim 1, characterized in that: A pile foundation reinforcement beam is connected between the tops of adjacent steel pipe piles in the steel pipe pile foundation.

3. The tower crane assembled steel structure foundation according to claim 1, characterized in that: In the steel pipe pile foundation, a pipe pile relay reinforcement is movably sleeved up and down inside the top of the steel pipe pile, and a flange plate which is connected and matched with the pile foundation connection flange is arranged on the top of the pipe pile relay reinforcement.

4. The tower crane assembled steel structure foundation according to claim 1, characterized in that: A base body reinforcement beam is connected between adjacent corner ends of the base body.

5. The tower crane assembled steel structure foundation according to claim 1, characterized in that: The assembled counterweight assembly is formed by enclosing and assembling four prefabricated counterweight blocks made of reinforced concrete.

6. The tower crane assembled steel structure foundation according to claim 1, characterized in that: The steel pipe pile foundation is made of seamless steel pipes commonly used in the field of engineering construction as the pipe pile foundation.

7. The tower crane assembled steel structure foundation according to claim 1, characterized in that: The top surface of the counterweight connecting flange is provided with a lifting lug for hoisting the tower foundation steel beam base; the lower surface of the assembled counterweight assembly is provided with an ear groove that cooperates with the lifting lug for positioning and installing the assembled counterweight assembly.

8. The tower crane assembled steel structure foundation according to claim 1, characterized in that: A flange reinforcement rib is connected between the pile foundation connection flange and the counterweight connection flange located at the same corner end.

9. A tower crane, comprising a tower crane, characterized in that It also includes a tower crane assembled steel structure foundation as described in any one of claims 1 to 8, and the tower crane is detachably installed on the tower crane assembled steel structure foundation.

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