Tower crane base steel bearing platform connecting device
The design of the quick-connect component solves the problems of low installation efficiency and difficulty in ensuring accuracy of the tower crane base steel bearing platform connection device, realizing a fast and stable connection, reducing the risk of bolt loosening and fatigue damage, and improving the overall stability of the tower crane.
Patent Information
- Application Number
- CN202520195725.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-08
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-02-08
AI Technical Summary
The existing steel bearing platform connection device for tower crane base has problems such as low installation efficiency, loose bolts, difficulty in ensuring installation accuracy, and fatigue cracks caused by welding defects.
The system employs quick-connect components, including a bolt cylinder, slider, guide shell, guide groove, fixing block, and wedge block. This allows multiple bolts to be directly inserted into the bolt cylinder through a convenient connection method. The guide shell structure ensures rapid alignment, reduces human error, and enhances installation accuracy and stability.
It improves the installation efficiency and precision of tower crane bases, reduces the risk of bolt loosening and fatigue damage, and enhances the overall stability of the tower crane.
Smart Images

Figure CN223893412U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of tower crane technology, specifically relating to a tower crane base steel bearing platform connection device. Background Technology
[0002] With the rapid development of the construction industry, the number of high-rise buildings and large industrial facilities is increasing, and tower cranes, as important vertical transportation equipment, are widely used. In traditional tower crane installation, the connection of the steel foundation is often done in a simple and direct way, such as ordinary bolt connection or on-site welding. Ordinary bolt connection is prone to loosening when subjected to the dynamic load, wind load, and various forces under complex working conditions of the tower crane over a long period of time. Although on-site welding has certain advantages in connection strength, it requires extremely high welding technology and operator skills. Welding defects (such as porosity, slag inclusion, incomplete penetration, etc.) are difficult to completely avoid. These defects become stress concentration points, which can easily lead to fatigue cracks under alternating stress during long-term operation of the tower crane. Furthermore, once the welded connection is completed, subsequent inspection, maintenance, and repair work is difficult, often requiring specialized welding equipment and technicians, which is time-consuming and can adversely affect the construction progress.
[0003] One disadvantage of this tower crane base steel bearing platform connection device is its low installation efficiency. It cannot quickly position the bolts, requiring installers to spend more time locating the correct bolt holes. During the installation of this device, the number of bolts is typically large; for example, a large tower crane base connection device may have dozens of bolts. Each bolt installation requires additional time for alignment, significantly increasing the overall installation time. Installation accuracy is difficult to guarantee, and the inability to quickly position the bolts may lead to deviations in bolt placement. When bolts cannot be accurately inserted into their corresponding bolt holes, they may be forced in, subjecting them to additional stress. This stress, combined with the working load during normal tower crane operation, makes the bolts more susceptible to fatigue damage. Utility Model Content
[0004] The purpose of this utility model is to provide a tower crane base steel bearing platform connection device, which aims to solve the problems mentioned in the background art.
[0005] A tower crane base steel bearing platform connection device, comprising,
[0006] Base;
[0007] A quick-connect assembly is located inside the base, comprising: a bolt cylinder, a slider, a guide shell, a guide groove, a fixing block, an inclined block, and a steel support. The bolt cylinder is fixedly located inside the fixing block, the slider is slidably located on the outer wall of the bolt cylinder, the slider is fixedly located on the outer wall of the guide shell, the guide groove is formed on the inner wall of the fixing block, the inclined block is fixedly located on the outer wall of the fixing block, the steel support is fixedly located on the outer wall of the fixing block, and the steel support is fixedly located on the outer wall of the inclined block.
[0008] Furthermore, a connecting rod is fixedly provided on the outer wall of the guide shell, and a fixing hole is provided on the outer wall of the connecting rod.
[0009] Furthermore, bolts are fixedly installed on the outer wall of the base.
[0010] Furthermore, the guide groove and the guide shell are matched with each other.
[0011] Furthermore, the bolt and the bolt sleeve are mutually matched.
[0012] Furthermore, the outer wall of the fixing block is coated with an anti-rust layer.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] The quick-connect assembly provides a convenient connection method, allowing multiple bolts to directly enter the bolt sleeve, saving a significant amount of time. The guide shell structure ensures that the connecting device is quickly and accurately aligned with the steel foundation during installation, reducing installation position deviations caused by human error, ensuring the installation accuracy of the tower crane base, and contributing to the overall stability of the tower crane. Attached Figure Description
[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0016] Figure 1 This is a perspective view of the present utility model;
[0017] Figure 2 This is a partial perspective view of the present invention;
[0018] Figure 3 This utility model Figure 2 Enlarged view of part A.
[0019] In the diagram: 1. Base; 2. Bolt cylinder; 3. Slider; 4. Guide shell; 5. Guide groove; 6. Connecting rod; 7. Fixing hole; 8. Bolt; 9. Fixing block; 10. Inclined block; 11. Steel support platform. Detailed Implementation
[0020] 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.
[0021] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and 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, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within 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.
[0023] Please see Figure 1-3 The technical solution provided in this embodiment is as follows:
[0024] A tower crane base steel bearing platform connection device, comprising,
[0025] Base 1;
[0026] The quick-connect assembly is located inside the base 1. The quick-connect assembly includes a bolt cylinder 2, a slider 3, a guide shell 4, a guide groove 5, a fixing block 9, an inclined block 10, and a steel support 11. The bolt cylinder 2 is fixedly installed inside the fixing block 9. The slider 3 is slidably installed on the outer wall of the bolt cylinder 2. The slider 3 is fixedly installed on the outer wall of the guide shell 4. The guide groove 5 is opened on the inner wall of the fixing block 9. The inclined block 10 is fixedly installed on the outer wall of the fixing block 9. The steel support 11 is fixedly installed on the outer wall of the fixing block 9. The steel support 11 is fixedly installed on the outer wall of the inclined block 10.
[0027] In a specific embodiment of this utility model, a convenient connection method is adopted through the quick-connect assembly. Multiple bolts 8 directly enter the bolt cylinder 2, which can save a lot of time. The structure of the guide shell 4 can ensure that the connecting device is quickly and accurately aligned with the steel support 11 during the installation process, reducing the installation position deviation caused by human operation error, ensuring the installation accuracy of the tower crane base, and contributing to the overall stability of the tower crane. First, the bolts 8 are roughly aligned with the guide shell 4 and precisely entered into the bolt cylinder 2 along the inner wall of the guide shell 4. After the hole alignment is completed, the guide shell 4 moves into the guide groove 5 through the slider 3. At this time, the lower part of the outer wall of the guide shell 4 coincides with the base 1, and the lower part of the outer wall of the connecting rod 6 coincides with the base 1. Screws can be installed in the fixing hole 7 for secondary reinforcement, which greatly increases the force-bearing area and makes the steel support 11 more firmly fixed on the base 1. The four inclined blocks 10 can enhance the supporting force of the steel support 11.
[0028] Specifically, a connecting rod 6 is fixedly installed on the outer wall of the guide shell 4, and a fixing hole 7 is opened on the outer wall of the connecting rod 6.
[0029] In a specific embodiment of this utility model, the lower part of the outer wall of the connecting rod 6 overlaps with the base 1, and screws can be installed in the fixing hole 7 for secondary reinforcement.
[0030] Specifically, bolts 8 are fixedly installed on the outer wall of the base 1.
[0031] In a specific embodiment of this utility model, the bolt 8 is roughly aligned with the guide shell 4 and precisely enters the bolt cylinder 2 along the inner wall of the guide shell 4.
[0032] Specifically, the guide groove 5 and the guide shell 4 are matched with each other.
[0033] In a specific embodiment of this utility model, after the hole alignment is completed, the guide shell 4 moves into the guide groove 5 via the slider 3, at which point the lower part of the outer wall of the guide shell 4 overlaps with the base 1.
[0034] Specifically, bolt 8 and bolt sleeve 2 are matched with each other.
[0035] In a specific embodiment of this utility model, the bolt 8 is roughly aligned with the guide shell 4, and precisely enters the bolt cylinder 2 along the inner wall of the guide shell 4 to complete one alignment operation.
[0036] Specifically, the outer wall of the fixing block 9 is coated with an anti-rust layer.
[0037] In a specific embodiment of this utility model, spraying an anti-rust layer can extend the service life of the fixing block 9.
[0038] Working principle:
[0039] The quick-connect assembly provides a convenient connection method, allowing multiple bolts 8 to directly enter the bolt cylinder 2, saving significant time. The guide shell 4 structure ensures that the connecting device is quickly and accurately aligned with the steel support 11 during installation, reducing installation position deviations caused by human error and guaranteeing the installation accuracy of the tower crane base, which is beneficial to the overall stability of the tower crane. First, roughly align the bolts 8 with the guide shell 4 and precisely enter the bolt cylinder 2 along the inner wall of the guide shell 4. After the alignment is completed, the guide shell 4 moves into the guide groove 5 via the slider 3. At this time, the lower part of the outer wall of the guide shell 4 coincides with the base 1, and the lower part of the outer wall of the connecting rod 6 coincides with the base 1, greatly increasing the bearing area and making the steel support 11 more firmly fixed on the base 1. The four inclined blocks 10 can enhance the supporting force of the steel support 11.
[0040] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A tower crane base steel bearing platform connecting device, characterized in that, include, Base (1); A quick-connect assembly is located inside the base (1), wherein: the quick-connect assembly includes a bolt cylinder (2), a slider (3), a guide shell (4), a guide groove (5), a fixing block (9), an inclined block (10), and a steel support (11). The bolt cylinder (2) is fixedly located inside the fixing block (9). The slider (3) is slidably located on the outer wall of the bolt cylinder (2). The slider (3) is fixedly located on the outer wall of the guide shell (4). The guide groove (5) is opened on the inner wall of the fixing block (9). The inclined block (10) is fixedly located on the outer wall of the fixing block (9). The steel support (11) is fixedly located on the outer wall of the fixing block (9) and on the outer wall of the inclined block (10).
2. The tower crane base steel bearing platform connection device according to claim 1, characterized in that, A connecting rod (6) is fixedly provided on the outer wall of the guide shell (4), and a fixing hole (7) is provided on the outer wall of the connecting rod (6).
3. The tower crane base steel bearing platform connection device according to claim 2, characterized in that, Bolts (8) are fixedly installed on the outer wall of the base (1).
4. The tower crane base steel bearing platform connection device according to claim 3, characterized in that, The guide groove (5) and the guide shell (4) are matched with each other.
5. The tower crane base steel bearing platform connecting device according to claim 4, characterized in that, The bolt (8) and the bolt sleeve (2) are matched with each other.
6. The tower crane base steel bearing platform connecting device according to claim 5, characterized in that, The outer wall of the fixing block (9) is coated with an anti-rust layer.