Attached steel beam device of heavy tower crane

Abstract

The utility model relates to the technical field of tower crane attachment devices, and discloses a heavy tower crane attachment steel beam device which is used for being installed at a node of a steel column and a steel beam and comprises two side plates arranged on the front side and the rear side of the node of the steel column and the steel beam in a one-to-one correspondence mode, and the two ends of each side plate extend in the length direction of the steel beam. The side plates are wider than the steel beams; a plurality of split bolts are mounted at four corners of the two side plates, penetrate through the two side plates and are in transition fit with the steel beam; and a plurality of tower crane attachment lug plates are fixedly arranged on the outer surfaces of the side plates close to the tower crane. The side plates wider than the steel beam are arranged, and the two ends of each side plate extend in the length direction of the steel beam, so that the contact area of the device and the steel beam is remarkably increased, the stress concentration phenomenon is effectively reduced, the steel beam is prevented from being twisted and damaged due to local overlarge stress, and the stability and safety of the structure are improved.

Description

Technical Field

[0001] This utility model relates to the technical field of tower crane attachment devices, and in particular to a heavy-duty tower crane attachment steel beam device. Background Technology

[0002] Heavy-duty tower cranes play a crucial role in modern large-scale construction, and the attached steel beam device, as a key component, has an undeniable impact on their stability and safety. With the increasing scale and height of large public buildings, high-rise residential buildings, and industrial plants, the requirements for the load-bearing capacity and stability of heavy-duty tower cranes are rising, leading to the increasingly widespread application of attached steel beam devices.

[0003] However, current heavy-duty tower crane steel beam attachment devices have some significant drawbacks in practical applications. In large public buildings, the attachment devices are often considered to be attached at the joints between steel columns and steel beams. While this design seems reasonable, it has revealed numerous problems in actual use. Due to the limited contact area between the attachment device and the steel beam, stress concentration is quite pronounced. Excessive localized stress can easily cause torsional failure of the steel beam, affecting the stability of the entire structure.

[0004] Therefore, developing a heavy-duty tower crane steel beam attachment device that can increase the contact area between the attachment device and the steel beam and disperse stress is of great significance for promoting the safe and efficient development of the construction industry. Utility Model Content

[0005] The present invention aims to provide a heavy-duty tower crane attachment steel beam device to overcome the shortcomings of the above-mentioned situation.

[0006] In order to achieve the above objectives, the technical solution of this utility model is as follows:

[0007] A heavy-duty tower crane steel beam attachment device, for installation at the joint between a steel column and a steel beam, comprising:

[0008] Two side plates are installed on the front and rear sides of the joints of the steel columns and steel beams in a one-to-one correspondence. The two ends of the side plates extend along the length of the steel beams, and the width of the side plates is greater than the width of the steel beams.

[0009] Multiple tie bolts are installed at the four corners of the two side plates, the tie bolts penetrating the two side plates and transitionally engaging with the steel beam; and

[0010] Several attachment lugs for the tower crane are fixedly installed on the outer surface of the side plate near the tower crane.

[0011] Furthermore, it also includes: a plurality of first support plates located at the four corners of the two side plates, the first support plates being vertically fixedly connected to the two side plates, and the first support plates being located above or below the steel beam.

[0012] Furthermore, the steel beam is made of I-beams, and a second support plate is fixedly connected between the web of the steel beam and the side plate, with the second support plate being perpendicular to the side plate.

[0013] Furthermore, the steel column is made of I-beams, and a connecting frame is fixedly connected between the web and the side plate of the steel column, with the flange of the steel column abutting against the side plate.

[0014] Furthermore, several of the attachment ear plates are disposed opposite to the connecting frame.

[0015] Furthermore, the connection frame includes:

[0016] The first connecting plate is arranged vertically; and

[0017] Two second connecting plates are vertically fixedly connected to the upper and lower ends of the first connecting plate. One end of the first connecting plate and one end of the second connecting plate are both vertically fixedly connected to the web of the steel column, and the other end of the first connecting plate and the other end of the second connecting plate are both vertically fixedly connected to the side plate.

[0018] Furthermore, the steel columns and steel beams are fixedly connected by fastening bolts, and reinforcing diagonal braces are provided between the steel columns and steel beams.

[0019] Compared with the prior art, this utility model has at least the following advantages:

[0020] (1) By setting a side plate with a width greater than that of the steel beam and extending both ends of the side plate along the length of the steel beam, the contact area between the device and the steel beam is significantly increased, which effectively reduces stress concentration and avoids torsional damage to the steel beam caused by excessive local stress, thereby improving the stability and safety of the structure.

[0021] (2) First support plates perpendicular to the side plates are installed at the four corners of the side plates, and second support plates are installed between the web of the steel beam and the side plates. The installation of these support plates enhances the structural stability and load-bearing capacity of the entire device. At the same time, tie bolts are used to penetrate the side plates and fit with the steel beams with clearance, which ensures a reliable connection between the side plates and the steel beams without affecting the adaptability of the device to the tower crane attachment, enabling the device to better bear the load of the tower crane.

[0022] (3) By vertically welding the first connecting plate and the second connecting plate to the web and side plate of the steel column, a stable frame structure is formed, which achieves the dual effect of tensile and compressive resistance, ensuring that the device can stably bear the load of the tower crane and transfer it to the steel column during use. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the overall structure of the heavy-duty tower crane attachment steel beam device of this utility model;

[0025] Figure 2 This is a cross-sectional view of the heavy-duty tower crane attachment steel beam device of this utility model.

[0026] Reference numerals: 1. Steel column; 2. Steel beam; 3. Side plate; 4. Tie bolt; 5. Attached ear plate; 6. First support plate; 7. Second support plate; 8. First connecting plate; 9. Second connecting plate; 10. Fastening bolt; 11. Reinforcing diagonal brace. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0029] Reference Figure 1-2This utility model provides a heavy-duty tower crane attachment steel beam device, mainly used for installation at the node formed by steel column 1 and steel beam 2 in a building structure. Two side plates 3 are respectively arranged on the front and rear sides of the node between the steel column 1 and steel beam 2. These two side plates 3 are rectangular in shape, with both ends extending along the length of the steel beam 2, and the middle part facing the steel column 1. The width of the side plate 3 is larger than the width of the steel beam 2. Multiple tie bolts 4 are installed at the four corners of the two side plates 3. These tie bolts 4 penetrate the two side plates 3 and maintain a certain transition fit with the steel beam 2. This ensures a reliable connection between the side plates 3 and the steel beam 2, achieving a limiting effect on the device in the vertical direction, and also allows the device to better adapt to the attachment requirements of the tower crane. Several tower crane attachment lugs 5 are fixedly installed on the outer surface of the side plate 3 near the tower crane by welding. The number and distribution of these lugs are determined according to the actual attachment requirements of the tower crane.

[0030] Preferably, multiple first support plates 6 are installed at the four corners of the two side plates 3. The first support plates 6 are rectangular steel plates. These first support plates 6 are vertically fixed to the two side plates 3 and are welded together with the side plates 3. This design is used to improve the deformation resistance at the four corners of the two side plates 3, so as to reduce the deformation caused by the tie bolts 4.

[0031] In one specific embodiment of this utility model, the steel beam 2 is made of I-beam. A second support plate 7 is fixedly connected between the web and side plate 3 of the steel beam 2. The second support plate 7 is perpendicular to the side plate 3 and is also fixedly connected by welding. Optionally, the second support plate 7 serves a supporting function to prevent deformation of the side plate 3, which is opposite to the web of the steel beam 2. Therefore, at least one of the web and side plate 3 of the steel beam 2 needs to be fixedly connected to the second support plate 7, which facilitates the subsequent removal of the device.

[0032] Furthermore, the steel column 1 is also made of I-beams. A connecting frame is fixedly connected between the web and side plate 3 of the steel column 1. The function of this connecting frame is to further strengthen the connection between the steel column 1 and the side plate 3, ensuring that the entire heavy-duty tower crane attachment steel beam device can stably bear the load of the tower crane and transfer it to the steel column 1 during use. Both the web and side plate 3 of the steel column 1 are welded and fixed to the connecting frame, achieving both tensile and compressive resistance. The flange plates of the steel column 1 abut against each other with the side plate 3.

[0033] Several tower crane attachment lugs 5 are arranged opposite to the aforementioned connecting frame. That is, a certain number of attachment lugs 5 are arranged near the side plate 3 where the connecting frame is located. This arrangement allows the force on the tower crane to be distributed more evenly on the device when it is attached, and also facilitates the effective connection between the tower crane attachment components and the device.

[0034] Optionally, the connecting frame mainly consists of a first connecting plate 8 arranged vertically and two second connecting plates 9 vertically fixed to the upper and lower ends of the first connecting plate 8. One end of the first connecting plate 8 and one end of the second connecting plate 9 are fixedly connected to the web of the steel column 1 by vertical welding, while the other end of the first connecting plate 8 and the other end of the second connecting plate 9 are also fixedly connected to the side plate 3 by vertical welding, thereby forming a stable frame structure and enhancing the connection strength and stability between the steel column 1 and the side plate 3.

[0035] It should be noted that in this utility model, the steel column 1 and the steel beam 2 are fixedly connected by fastening bolts 10. The specifications of the fastening bolts 10 can be selected according to the design requirements, such as using M24 high-strength bolts, to ensure that the steel column 1 and the steel beam 2 can be tightly connected and reliably transmit the load.

[0036] To further improve the stability and load-bearing capacity of the entire device, a reinforcing diagonal brace 11 is installed between the steel column 1 and the steel beam 2. It is connected to the steel column 1 and the steel beam 2 by welding to form an oblique support component, which enhances the overall structure and resists lateral forces. During the use of the tower crane, it can effectively prevent structural instability caused by wind loads or other lateral loads.

[0037] In the description of this utility model, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", 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 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.

[0038] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

Claims

1. A heavy-duty tower crane attachment girder device for installation at the joint of a steel column (1) and a steel girder (2), characterized in that, include: Two side plates (3) are set on the front and rear sides of the nodes of the steel column (1) and the steel beam (2) in a one-to-one correspondence. The two ends of the side plates (3) extend along the length of the steel beam (2), and the width of the side plates (3) is greater than the width of the steel beam (2). Multiple tie bolts (4) are installed at the four corners of the two side plates (3), the tie bolts (4) passing through the two side plates (3) and transitionally engaging with the steel beam (2); and Several attachment lugs (5) of the tower crane are fixedly installed on the outer surface of the side plate (3) near the tower crane.

2. The heavy-duty tower crane attachment girder device according to claim 1, characterized in that Also includes: Multiple first support plates (6) are located at the four corners of the two side plates (3), the first support plates (6) are vertically fixedly connected to the two side plates (3), and the first support plates (6) are located above or below the steel beam (2).

3. The heavy-duty tower crane attachment girder device according to claim 2, characterized in that The steel beam (2) is made of I-beams. A second support plate (7) is fixedly connected between the web of the steel beam (2) and the side plate (3). The second support plate (7) is perpendicular to the side plate (3).

4. The heavy-duty tower crane attachment girder device of claim 1, wherein, The steel column (1) is made of I-beams. A connecting frame is fixedly connected between the web and the side plate (3) of the steel column (1). The flange of the steel column (1) abuts against the side plate (3).

5. The heavy-duty tower crane attachment girder device according to claim 4, characterized in that Several of the attached ear plates (5) are arranged opposite to the connecting frame.

6. The heavy-duty tower crane attachment girder device of claim 4, wherein, The connection framework includes: A first connecting plate (8) arranged vertically; and Two second connecting plates (9) are vertically fixedly connected to the upper and lower ends of the first connecting plate (8). One end of the first connecting plate (8) and one end of the second connecting plate (9) are both vertically fixedly connected to the web of the steel column (1). The other end of the first connecting plate (8) and the other end of the second connecting plate (9) are both vertically fixedly connected to the side plate (3).

7. The heavy-duty tower crane attachment girder device of claim 1, wherein, The steel column (1) and the steel beam (2) are fixedly connected by fastening bolts (10), and a reinforcing diagonal brace (11) is provided between the steel column (1) and the steel beam (2).

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