Novel tower crane foundation structure

Abstract

The utility model discloses a novel tower crane foundation structure which comprises a first bearing beam, a second bearing beam, an embedded steel plate support, a steel pipe pile support and a tower crane bottom section stand column. Embedded steel plate supports are arranged at the two ends of the first bearing beam respectively, the embedded steel plate supports are arranged on the pier bearing platform in an embedded mode, and the first bearing beam is connected and fixed through the embedded steel plate supports; steel pipe pile supports are arranged at the two ends of the second bearing beam respectively and arranged on the ground in an inserted and driven mode, and the second bearing beam is supported and fixed through the steel pipe pile supports. The first spandrel girder and the second spandrel girder are mutually crossed to form an angle, and a plurality of tower crane bottom section upright posts for mounting and fixing a tower crane bottom section are arranged on the upper side end surfaces of the first spandrel girder and the second spandrel girder. The tower crane foundation structure disclosed by the utility model is suitable for some special space-limited conditions of bridge engineering, and can be arranged in a limited space between adjacent pier bearing platforms, so that the effective use and utilization of the working range for mounting a tower crane are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of tower crane structures for engineering construction, in particular to a novel tower crane foundation structure. Background Art

[0002] During the construction process of bridge projects, it is often necessary to erect a tower crane structure to assist in construction. The tower crane is essentially a lifting device, which is installed and fixed on the tower crane foundation to lift and place building materials such as sand and gravel, steel bars or molds. The load capacity and working range of the tower crane structure are directly related to the working efficiency of the tower crane, which can affect the project progress of the corresponding project construction. In the construction of some sections of double-track bridge projects, due to the close proximity of adjacent pier caps and limited space, it is impossible to erect a normal tower crane foundation structure between two adjacent pier caps to install a tower crane for construction. Instead, the tower crane foundation structure is set outside the adjacent pier caps, which may result in the situation that the working range of the tower crane cannot be fully utilized and effectively used. Even multiple tower cranes are erected to assist in construction, which not only increases the project cost and delays the construction period. Therefore, it is necessary to research and design a novel tower crane foundation structure to meet the tower crane construction requirements under such limited space conditions. Summary of the Invention

[0003] The utility model aims at the above problems and provides a novel tower crane foundation structure. The technical solution of the utility model is as follows:

[0004] A novel tower crane foundation structure includes a first load-bearing beam, a second load-bearing beam, a pre-embedded steel plate support, a steel pipe pile support and a tower crane bottom column; the two ends of the first load-bearing beam are respectively provided with the pre-embedded steel plate support, and the pre-embedded steel plate support is pre-embedded on the pier cap, and the first load-bearing beam is connected and fixed by the pre-embedded steel plate support; the two ends of the second load-bearing beam are respectively provided with the steel pipe pile support, and the steel pipe pile support is inserted and driven into the ground, and the second load-bearing beam is supported and fixed by the steel pipe pile support; the first load-bearing beam and the second load-bearing beam are arranged at an angle to each other, and a number of tower crane bottom columns for installing and fixing the tower crane bottom are arranged on the upper side end faces of the first load-bearing beam and the second load-bearing beam.

[0005] As a further description of the utility model, the first load-bearing beam and the second load-bearing beam cross each other at 90 degrees to form a cross-shaped load-bearing beam body.

[0006] Furthermore, it further includes a number of connecting beams, one end of the connecting beam is connected and fixed to the first load-bearing beam, and the other end is connected and fixed to the second load-bearing beam.

[0007] Furthermore, the embedded steel plate support includes an embedded steel plate, embedded deformed steel bars, and high-strength precision rolled threaded steel bars; the embedded steel plate is welded to the embedded deformed steel bars and embedded in the pier cap, and a pre-opened hole is provided on the embedded steel plate; one end of the high-strength precision rolled threaded steel bar is embedded in the pier cap, and the other end passes through the pre-opened hole and is anchored to the first load-bearing beam.

[0008] Furthermore, the steel pipe pile support includes steel pipe piles, steel plate corbels, and high-strength precision rolled threaded steel bars; the upper end of the steel pipe pile is compacted with concrete, and the steel plate corbel is fixed to the upper end; the high-strength precision rolled threaded steel bar passes through the steel plate corbel and is anchored to the second load-bearing beam.

[0009] Furthermore, the first load-bearing beam, the second load-bearing beam, and the connecting beam are I-beams or double I-beams.

[0010] Furthermore, a first stiffening plate structure is provided at the connection between the first load-bearing beam and the embedded steel plate support.

[0011] Furthermore, a second stiffening plate structure is provided at the connection between the second load-bearing beam and the steel pipe pile support.

[0012] Furthermore, a third stiffening plate structure is provided at the connection between the tower crane bottom section column and the first load-bearing beam or the second load-bearing beam.

[0013] Furthermore, the tower crane bottom section column is fixedly connected to the first load-bearing beam or the second load-bearing beam by high-strength bolts.

[0014] Advantages of the present utility model:

[0015] The present utility model is a novel tower crane foundation structure, which is applicable to some special space-limited situations in bridge engineering. The tower crane foundation structure can be arranged in the limited space between adjacent pier caps, so as to ensure the effective use of the working range for installing the tower crane; the first load-bearing beam and the second load-bearing beam mutually form a load-bearing beam body, and through the settings of the embedded steel plate support and the steel pipe pile support, the spatial structure characteristics between adjacent pier caps are effectively utilized, and the tower crane is stably installed and fixed, and the effect of ensuring the safety of tower crane construction operations can also be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the position setting of the novel tower crane foundation structure according to the embodiment of the present utility model;

[0017] Figure 2 It is a top view schematic diagram of the novel tower crane foundation structure according to the embodiment of the present utility model;

[0018] Figure 3Schematic diagram of the tower crane bottom section column structure according to the embodiment of the present utility model;

[0019] Figure 4 Cross-sectional schematic diagram of the first load-bearing beam according to the embodiment of the present utility model;

[0020] Figure 5 Schematic diagram of the embedded steel plate structure according to the embodiment of the present utility model;

[0021] Figure 6 Cross-sectional schematic diagram of the second load-bearing beam according to the embodiment of the present utility model;

[0022] Figure 7 Schematic diagram of the steel pipe pile support structure according to the embodiment of the present utility model;

[0023] Figure 8 Tower crane installation schematic diagram of the novel tower crane foundation structure according to the embodiment of the present utility model.

[0024] Reference numerals: first load-bearing beam 1, second load-bearing beam 2, embedded steel plate support 3, embedded steel plate 301, embedded threaded steel 302, precision rolled threaded steel 303, end reinforcement 304, steel pipe pile 4, tower crane bottom section column 5, pier cap 6, pipe pile 7, tower crane 8, connecting beam 9, first stiffening plate structure 10, second stiffening plate structure 11, third stiffening plate structure 12, high-strength bolt 13, steel plate bracket 14, bracket plate 141, bracket anchor plate 142, bracket stiffening plate 143. Detailed implementation manners

[0025] Embodiment:

[0026] The following will describe in detail the embodiments of the present utility model with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0027] 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", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model 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 thus should not be construed as a limitation to the present utility model.

[0028] As shown in the attached Figures 1-7As shown in the figure, a novel tower crane foundation structure of this embodiment includes a first load-bearing beam 1, a second load-bearing beam 2, a pre-embedded steel plate support 3, a steel pipe pile support, and a tower crane bottom column 5. At both ends of the first load-bearing beam 1, the pre-embedded steel plate supports 3 are respectively arranged, and the pre-embedded steel plate supports 3 are pre-embedded in the pier cap 6, and the first load-bearing beam 1 is connected and fixed by the pre-embedded steel plate supports 3. At both ends of the second load-bearing beam 2, the steel pipe pile supports are respectively arranged, and the steel pipe pile supports are inserted into the ground, and the second load-bearing beam 2 is supported and fixed by the steel pipe pile supports. The first load-bearing beam 1 and the second load-bearing beam 2 are arranged at an angle to each other, and a number of tower crane bottom columns 5 for installing and fixing the tower crane bottom section are arranged on the upper side end faces of the first load-bearing beam 1 and the second load-bearing beam 2.

[0029] The tower crane foundation structure of this embodiment is applicable to some special space-limited situations in bridge engineering. The tower crane foundation structure can be arranged in the limited space between adjacent pier caps 6, so as to ensure the effective use of the working range of the installed tower crane 8. The first load-bearing beam 1 and the second load-bearing beam 2 jointly form a load-bearing beam body. Through the arrangement of the pre-embedded steel plate supports 3 and the steel pipe pile supports, the spatial structure characteristics between adjacent pier caps 6 are effectively utilized, and the tower crane 8 is stably installed and fixed, and the effect of ensuring the construction safety of the tower crane 8 can also be achieved. In practical applications, as specifically shown in the attached drawings, during the construction process of a bridge project, it is necessary to build a tower crane structure beside two pier caps 6 to assist in construction. Since the distance between the two pier caps 6 is relatively close and the space between them is very limited, it is impossible to build an existing tower crane structure in the middle of them to install and fix the tower crane 8. If the tower crane structure is changed to be arranged outside the two pier caps 6, the working range of the tower crane 8 cannot be effectively utilized, and even it is necessary to install tower cranes 8 on both sides of the pier cap 6 to meet the construction operation requirements, which not only increases the cost but also has an adverse impact on the construction period progress. Therefore, after adopting the novel tower crane foundation structure of this embodiment, on the one hand, a group of pre-embedded steel plate supports 3 are pre-embedded adjacent to the pier cap 6 as a group of support and fixing bases to install and fix the first load-bearing beam 1; on the other hand, two steel pipe pile supports are inserted as another group of support and fixing bases to install and fix the second load-bearing beam 2, thereby forming the novel tower crane foundation structure of this embodiment. The tower crane 8 can be installed and fixed based on this, that is, the tower crane 8 can be arranged in the limited space between two adjacent pier caps 6, and the working range of the tower crane 8 can be fully exerted and utilized. Through practical application verification, the novel tower crane foundation structure of this embodiment can meet the actual construction operation requirements of the tower crane 8.

[0030] Specifically, in this embodiment, the first load-bearing beam 1 and the second load-bearing beam 2 intersect at 90 degrees to form a cross-shaped load-bearing beam body. In specific applications, an I-beam can be welded between the first load-bearing beam 1 and the second load-bearing beam 2 as a transverse connection to enhance the overall stability of the foundation and resist the horizontal separation and torque of the foundation.

[0031] Specifically, in this embodiment, it further includes several connecting beams 9. One end of the connecting beam 9 is fixedly connected to the first load-bearing beam 1, and the other end is fixedly connected to the second load-bearing beam 2, forming a connection and fixation for the first load-bearing beam 1 and the second load-bearing beam 2, improving the overall stability of the tower crane foundation structure, and ensuring the installation and fixation of the tower crane 8.

[0032] Specifically, in this embodiment, the first load-bearing beam 1, the second load-bearing beam 2, and the connecting beam 9 are I-beams or double I-beams. On the one hand, it improves the structural strength of the beam body itself, and on the other hand, it also facilitates the connection and fixation between the beam bodies, facilitating the construction operation of the tower crane foundation structure.

[0033] Specifically, in this embodiment, a first stiffening plate structure 10 is provided at the connection between the first load-bearing beam 1 and the embedded steel plate support 3 to further improve the structural strength at the connection and fixation of the two, and ensure the connection stability.

[0034] Specifically, in this embodiment, a second stiffening plate structure 11 is provided at the connection between the second load-bearing beam 2 and the steel pipe pile support to further improve the structural strength at the connection and fixation of the two, and ensure the connection stability.

[0035] Specifically, in this embodiment, a third stiffening plate structure 12 is provided at the connection between the tower crane bottom section column 5 and the first load-bearing beam 1 or the second load-bearing beam 2 to further improve the structural strength at the connection and fixation of the two, and ensure the connection stability.

[0036] Specifically, in this embodiment, the tower crane bottom section column 5 and the first load-bearing beam 1 or the second load-bearing beam 2 are connected and fixed by high-strength bolts 13, so that the tower crane bottom section column 5 can be firmly installed and fixed on the first load-bearing beam 1 or the second load-bearing beam 2 as the foundation for connecting and fixing the tower crane bottom section.

[0037] Specifically, as shown in the appendix Figure 4 and Figure 5As shown in the figure, in this embodiment, the embedded steel plate support 3 includes an embedded steel plate 301, embedded deformed steel bars 302, and high-strength rolled deformed steel bars 303. The embedded steel plate 301 is welded to the embedded deformed steel bars 302 and is embedded in the pier cap 6. The embedded steel plate 301 is provided with pre-drilled holes. One end of the high-strength rolled deformed steel bars 303 is embedded in the pier cap 6, and the other end passes through the pre-drilled holes and is anchored to the first load-bearing beam 1. In practical applications, the embedded deformed steel bars 302 can be welded to the embedded steel plate 301 by means of full penetration plug welding through holes, and end reinforcing bars 304 are also fillet welded at the ends of the embedded deformed steel bars 302. After the embedded steel plate 301, the embedded deformed steel bars 302, and the high-strength rolled deformed steel bars 303 are embedded in the pier cap 6, the other end of the high-strength rolled deformed steel bars 303 can be anchored to the first load-bearing beam 1, so that the first load-bearing beam 1 is firmly fixed on the pier cap and serves as the support and fixing foundation of the tower crane 8. Adopting this structural setting can improve the stability of the structure of the embedded steel plate support 3 itself and the stability of the embedded fixing, and at the same time, it is also convenient for connecting and fixing with the first load-bearing beam 1, facilitating construction operations.

[0038] The steel pipe pile support of this embodiment includes steel pipe piles 4, steel plate brackets 14, and high-strength rolled deformed steel bars 303. The upper end of the steel pipe pile 4 is filled with concrete and compacted, and the steel plate bracket 14 is fixed to the upper end. The high-strength rolled deformed steel bars 303 pass through the steel plate bracket 14 and are anchored to the second load-bearing beam 2. In specific applications, see the appendix Figures 6-7 As shown in the figure, a single steel plate bracket 14 on the steel pipe pile 4 in this embodiment is composed of 3 bracket plates 141, 1 bracket anchor plate 142, and 4 bracket stiffening plates 143. The bracket plates 141 are connected to the steel pipe pile 4 by double-sided fillet welding, and the weld height is 8 mm. The bracket anchor plate 142 is connected to the steel pipe pile 4 and the bracket anchor plate 142 by single-sided fillet welding, and the weld heights are 8 mm and 10 mm respectively. The bracket stiffening plates 143 are connected to the steel pipe pile 4 and the bracket plates 141 by double-sided fillet welding, and the weld heights are 8 mm and 10 mm respectively. Through data calculation and practical application verification, the strength of the connection structure in this embodiment meets the specification requirements of the tower crane foundation structure.

[0039] The above only describes the preferred embodiments of the present invention, but it should not be construed as a limitation to the claims. The present invention is not limited to the above embodiments, and its specific structure is allowed to change. In short, all changes made within the protection scope of the independent claims of the present invention are within the protection scope of the present invention.

Claims

1. A new tower crane foundation structure, characterized in that: It includes a first load-bearing beam, a second load-bearing beam, a pre-embedded steel plate support, a steel pipe pile support, and a tower crane bottom section column; the two ends of the first load-bearing beam are respectively provided with the pre-embedded steel plate supports, the pre-embedded steel plate supports are pre-embedded in the pier cap, and the first load-bearing beam is connected and fixed by the pre-embedded steel plate supports; the two ends of the second load-bearing beam are respectively provided with the steel pipe pile supports, the steel pipe pile supports are inserted and driven into the ground, and the second load-bearing beam is supported and fixed by the steel pipe pile supports; the first load-bearing beam and the second load-bearing beam are arranged at an angle to each other in a crosswise manner, and a number of tower crane bottom section columns for installing and fixing the tower crane bottom section are arranged on the upper side end surfaces of the first load-bearing beam and the second load-bearing beam.

2. The novel tower crane foundation structure according to claim 1, characterized in that: The first load-bearing beam and the second load-bearing beam cross each other at 90 degrees to form a cross-shaped load-bearing beam body.

3. The novel tower crane foundation structure according to claim 1 or 2, characterized in that: It further includes a number of connecting beams, one end of each connecting beam is connected and fixed to the first load-bearing beam, and the other end is connected and fixed to the second load-bearing beam.

4. The novel tower crane foundation structure according to claim 3, characterized in that: The pre-embedded steel plate support includes a pre-embedded steel plate, pre-embedded deformed steel bars, and high-strength deformed steel bars; the pre-embedded steel plate is welded to the pre-embedded deformed steel bars and pre-embedded in the pier cap, and pre-opened holes are provided on the pre-embedded steel plate; one end of the high-strength deformed steel bar is pre-embedded in the pier cap, and the other end passes through the pre-opened hole and is anchored to the first load-bearing beam.

5. The novel tower crane foundation structure according to claim 3, characterized in that: The steel pipe pile support includes a steel pipe pile, a steel plate bracket, and high-strength deformed steel bars; the upper end of the steel pipe pile is compacted with concrete, and the steel plate bracket is fixed to the upper end; the high-strength deformed steel bars pass through the steel plate bracket and are anchored to the second load-bearing beam.

6. The novel tower crane foundation structure according to claim 3, characterized in that: The first load-bearing beam, the second load-bearing beam, and the connecting beams are I-beams or double I-beams.

7. The novel tower crane foundation structure according to claim 3, characterized in that: A first stiffening plate structure is provided at the connection between the first load-bearing beam and the pre-embedded steel plate support.

8. The novel tower crane foundation structure according to claim 3, characterized in that: A second stiffening plate structure is provided at the connection between the second load-bearing beam and the steel pipe pile support.

9. The novel tower crane foundation structure according to claim 3, wherein: A third stiffening plate structure is provided at the connection between the tower crane bottom section column and the first load-bearing beam or the second load-bearing beam.

10. The novel tower crane foundation structure according to claim 3, characterized in that: The tower crane bottom section column and the first load-bearing beam or the second load-bearing beam are connected and fixed by high-strength bolts.

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