Tower crane base steel bearing platform connecting device

Abstract

The utility model relates to the technical field of tower cranes, and discloses a tower crane base steel bearing platform connecting device which comprises a base, multiple sets of connecting blocks arranged in a matrix mode are connected to the upper surface of the base in an inserted mode, notches are formed in the two side faces of each connecting block, and an expansion shaft is rotationally connected between the two inner side walls of each connecting block; the outer surface of each expansion shaft is fixedly connected with an expansion wing, and the two side faces of each expansion wing are each provided with a torsional spring. According to the tower crane base steel bearing platform connecting device, the contact area between the tower crane base steel bearing platform connecting device and cement can be increased through the arranged expansion wings, so that the connecting strength of the connecting block and the base is improved, the loosening situation in the using process is avoided, the purpose of rapidly installing and fixing the connecting plate and the base can be achieved through the arranged fixing rod and the arranged connecting sleeve, and the practicability of the tower crane base steel bearing platform connecting device is improved. And through the arranged threaded rod, the purpose of rapidly installing the stand column inserting cylinder and the connecting plate can be achieved, and the construction efficiency is effectively improved.

Description

Technical Field

[0001] The present application relates to the technical field of tower cranes, and in particular to a tower crane base steel cap connection device. Background Art

[0002] Tower crane is the most commonly used lifting equipment on construction sites. It is also known as "tower crane". It is connected section by section and is used to lift raw materials for construction such as steel bars, wooden planks, concrete, steel pipes, etc. Tower crane is an indispensable equipment on construction sites. The tower crane pedestal connection device generally adopts a reinforced concrete pedestal.

[0003] The existing patent (Announcement No.: CN217998140U) discloses a tower crane base steel cap connection device, which relates to the technical field of tower crane base, including a steel base, four pouring ports installed on the outer surface of the steel base, a concrete layer filled on the inner wall of the steel base, a connection block installed on the outer surface of the steel base, four bottom plates arranged on the outer surface of the steel base, four groups of first sliding holes in a circumferential array opened on the outer surface of the bottom plate, the inner walls of the four groups of first sliding holes are all provided with a first fixing mechanism, a fixing plate is fixedly connected to the upper surface of the bottom plate, and four stabilizing mechanisms are arranged on the upper surface of the fixing plate. It can pour concrete into the interior of the steel base by opening the pouring port through the coordinated action of setting the steel base, the pouring port, and the concrete layer, avoiding the influence of the traditional method of pouring concrete on site on the construction progress, and can be directly transported to the next construction site without dismantling after the construction is completed, thereby improving the practicality of the tower crane base steel cap connection device.

[0004] During use of the above-mentioned connecting device, the contact area between the fixing column and the concrete inside the base is small. During use, due to the vibration generated by the operation of the tower crane, the connection between the connecting column and the concrete may easily loosen, thereby causing safety hazards. Utility Model Content

[0005] In response to the shortcomings of the prior art, the present application provides a tower crane base steel pedestal connection device, which has the advantages of high stability and solves the problem that the contact area between the connecting column and the concrete inside the base is small. During use, the vibration generated by the operation of the tower crane can easily cause the connection between the connecting column and the concrete to loosen, thereby creating a safety hazard.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a tower crane base steel pedestal connection device, including a base, wherein a plurality of groups of connection blocks arranged in a matrix are plugged into the upper surface of the base, and slots are provided on both sides of each of the connection blocks, and an expansion shaft is rotatably connected between the two inner side walls of each of the connection blocks, and an expansion wing is fixedly connected to the outer surface of each of the expansion shafts, and torsion springs are installed on both sides of each of the expansion wings, and the other end of each torsion spring is fixedly connected to the inner wall of the connection block adjacent to it.

[0007] Through the above scheme, by setting the expansion wing, it is possible to increase the contact area with the cement, thereby improving the connection strength between the connecting block and the base, avoiding loosening during use, and by setting the fixing rod and connecting sleeve, the purpose of quick installation and fixation of the connecting plate and the base can be achieved, and by setting the threaded rod, the purpose of quick installation of the column insert and the connecting plate can be achieved, effectively improving the construction efficiency.

[0008] Furthermore, a connecting plate is sleeved on the outer surface of each group of connecting blocks, two connecting sleeves are fixedly connected to the upper surface of each connecting plate, a fixing rod is inserted into the interior of each connecting sleeve, each fixing rod is inserted into the top of the connecting block adjacent to it, both ends of each fixing rod are threaded, and both ends of each fixing rod are threadedly connected to a first nut, and the connection purpose of the connecting plate and the base can be achieved through the setting of the fixing rod and the connecting sleeve.

[0009] Through the above scheme, by setting the expansion wing, it is possible to increase the contact area with the cement, thereby improving the connection strength between the connecting block and the base, avoiding loosening during use, and by setting the fixing rod and connecting sleeve, the purpose of quick installation and fixation of the connecting plate and the base can be achieved, and by setting the threaded rod, the purpose of quick installation of the column insert and the connecting plate can be achieved, effectively improving the construction efficiency.

[0010] Furthermore, the upper surface of each connecting plate is in contact with a column insert.

[0011] Through the above scheme, the setting of the column insert tube facilitates the user to connect with the external tower crane.

[0012] Furthermore, a group of circumferentially arranged reinforcing ribs are fixedly connected to the outer surface of each column insert.

[0013] Through the above solution, by setting the reinforcing ribs, the purpose of supporting the column insert can be achieved.

[0014] Furthermore, a connecting ring is fixedly connected to the outer surface of each group of reinforcing ribs, a plurality of threaded rods arranged in a circle are fixedly connected to the upper surface of each connecting plate, and each connecting ring is sleeved with a threaded rod adjacent to it.

[0015] Through the above solution, by setting the connecting ring, the column insert can be connected to the connecting plate.

[0016] Furthermore, a reinforcement ring is fixedly connected to the outer surface of each column insert, and each reinforcement ring is sleeved with a threaded rod adjacent thereto.

[0017] Through the above solution, by setting the reinforcing ring, the support of the column insert can be further improved.

[0018] Furthermore, the top end of each threaded rod is threadedly connected with a second bolt.

[0019] Through the above solution and the provision of the second bolt, the purpose of fixing the column insert can be achieved.

[0020] Furthermore, the upper surface of the base is provided with a plurality of casting holes arranged in a circumference.

[0021] Through the above scheme, by setting the pouring holes, it is convenient to pour concrete.

[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0023] This tower crane base steel cap connection device can increase the contact area with cement by means of the expansion wings, thereby improving the connection strength between the connection block and the base and avoiding loosening during use. The fixing rod and connecting sleeve can be used to quickly install and fix the connecting plate and the base. The threaded rod can be used to quickly install the column insert and the connecting plate, thereby effectively improving the construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a three-dimensional diagram of the overall structure of this application;

[0025] Figure 2 For this application Figure 1 A schematic diagram of the structure enlargement in the middle;

[0026] Figure 3 This is a cross-sectional view of the overall structure of this application;

[0027] Figure 4 This is a schematic diagram of the connection block structure for this application;

[0028] Figure 5 This is a cross-sectional view of the connection block structure for this application;

[0029] Figure 6 This is a schematic diagram of the column insert structure of this application.

[0030] In the figure:

[0031] 1. Base; 2. Connecting block; 3. Notch; 4. Extension shaft; 5. Extension wing; 6. Torsion spring; 7. Connecting plate; 8. Connecting sleeve; 9. Fixing rod; 10. First nut; 11. Column insert; 12. Reinforcing rib; 13. Connecting ring; 14. Threaded rod; 15. Reinforcing ring; 16. Second bolt; 17. Casting hole. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0033] See also Figure 1 , Figure 4 and Figure 5 A tower crane base steel cap connection device in this embodiment includes a base 1, and a plurality of groups of connection blocks 2 arranged in a matrix are inserted on the upper surface of the base 1. Notches 3 are provided on both sides of each connection block 2. An expansion shaft 4 is rotatably connected between the two inner side walls of each connection block 2. An expansion wing 5 is fixedly connected to the outer surface of each expansion shaft 4. Torsion springs 6 are installed on both sides of each expansion wing 5. The other end of each torsion spring 6 is fixedly connected to the inner wall of the connection block 2 adjacent to it. A plurality of casting holes 17 arranged in a circle are provided on the upper surface of the base 1. The setting of the casting holes 17 can facilitate the casting of concrete.

[0034] See also Figure 1 , Figure 2 and Figure 3 At the same time, the outer surface of each group of connecting blocks 2 is sleeved with a connecting plate 7, and the upper surface of each connecting plate 7 is fixedly connected to two connecting sleeves 8, and a fixing rod 9 is inserted inside each connecting sleeve 8. Each fixing rod 9 is inserted into the top of the connecting block 2 adjacent to it, and both ends of each fixing rod 9 are threaded. Both ends of each fixing rod 9 are threadedly connected with a first nut 10. Through the setting of the fixing rod 9 and the connecting sleeve 8, the purpose of connecting the connecting plate 7 and the base 1 can be achieved.

[0035] See also Figure 1 , Figure 2 and Figure 6 In addition, the upper surface of each connecting plate 7 is in contact with a column insert 11. The setting of the column insert 11 facilitates the user to connect with an external tower crane. The outer surface of each column insert 11 is fixedly connected with a group of circumferentially arranged reinforcing ribs 12. The setting of the reinforcing ribs 12 can achieve the purpose of supporting the column insert 11.

[0036] See also Figure 1 , Figure 2 and Figure 3The upper surface of each connecting plate 7 is fixedly connected with a plurality of threaded rods 14 arranged in a circle, and each connecting ring 13 is sleeved with the threaded rod 14 adjacent to it. Through the setting of the connecting ring 13, the column insert 11 can be connected to the connecting plate 7. The top of each threaded rod 14 is threadedly connected with a second bolt 16. Through the setting of the second bolt 16, the purpose of fixing the column insert 11 can be achieved. The outer surface of each group of reinforcing ribs 12 is fixedly connected with a connecting ring 13, and the outer surface of each column insert 11 is fixedly connected with a reinforcing ring 15. Each reinforcing ring 15 is sleeved with the threaded rod 14 adjacent to it. Through the setting of the reinforcing ring 15, the support for the column insert 11 can be further improved.

[0037] A tower crane base 1 steel cap connection device in this embodiment can increase the contact area with cement by means of the provided expansion wing 5, thereby improving the connection strength between the connecting block 2 and the base 1 and avoiding loosening during use. The provided fixing rod 9 and connecting sleeve 8 can achieve the purpose of rapid installation and fixation of the connecting plate 7 and the base 1. The provided threaded rod 14 can achieve the purpose of rapid installation of the column insert 11 and the connecting plate 7, thereby effectively improving the construction efficiency.

[0038] It should be noted that concrete needs to be poured into the base 1 before use.

[0039] The working principle of the above embodiment is as follows: when in use, multiple connection blocks 2 are plugged into the base 1, and when the expansion wings 5 ​​are in contact with the base 1, the expansion wings 5 ​​can be squeezed and turned into the interior of the connection block 2. When the bottom end of the connection block 2 is in contact with the base 1, the expansion wings 5 ​​can be opened under the reset of the torsion spring 6, and then concrete is filled into the interior of the base 1 through the pouring hole 17. During the filling process, the concrete can enter the interior of the connection block 2 through the notch 3 and gradually rise.

[0040] After the concrete solidifies, the connecting block 2 can be fixed. At the same time, the expansion wing 5 can increase the contact area with the concrete to ensure the stability of the connecting block 2. Then the connecting plate 7 is sleeved on the connecting block 2 and fixed with the fixing rod 9 and the first bolt. Subsequently, the connecting ring 13 is sleeved on the threaded rod 14 and fixed with the second bolt 16.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0042] Although the embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A tower crane base (1) and steel cap connection device, comprising a base (1), characterized in that: The upper surface of the base (1) is plugged with a plurality of connection blocks (2) arranged in a matrix, each of the connection blocks (2) is provided with notches (3) on both sides, an expansion shaft (4) is rotatably connected between the two inner side walls of each connection block (2), an expansion wing (5) is fixedly connected to the outer surface of each expansion shaft (4), and torsion springs (6) are installed on both sides of each expansion wing (5), and the other end of each torsion spring (6) is fixedly connected to the inner wall of the connection block (2) adjacent to it.

2. A tower crane base (1) steel cap connection device according to claim 1, characterized in that: The outer surface of each group of the connecting blocks (2) is sleeved with a connecting plate (7), the upper surface of each connecting plate (7) is fixedly connected to two connecting sleeves (8), the interior of each connecting sleeve (8) is plugged with a fixing rod (9), each fixing rod (9) is plugged into the top of the adjacent connecting block (2), both ends of each fixing rod (9) are threaded, and both ends of each fixing rod (9) are threadedly connected to a first nut (10).

3. A tower crane base (1) steel cap connection device according to claim 2, characterized in that: The upper surface of each connecting plate (7) contacts a column insert (11).

4. A tower crane base (1) steel cap connection device according to claim 3, characterized in that: A group of circumferentially arranged reinforcing ribs (12) are fixedly connected to the outer surface of each column insert (11).

5. A tower crane base (1) steel cap connection device according to claim 4, characterized in that: The outer surface of each group of reinforcing ribs (12) is fixedly connected to a connecting ring (13), the upper surface of each connecting plate (7) is fixedly connected to a plurality of circumferentially arranged threaded rods (14), and each connecting ring (13) is sleeved with a threaded rod (14) adjacent thereto.

6. A tower crane base (1) steel cap connection device according to claim 4, characterized in that: A reinforcement ring (15) is fixedly connected to the outer surface of each column insert (11), and each reinforcement ring (15) is sleeved with a threaded rod (14) adjacent thereto.

7. A tower crane base (1) steel cap connection device according to claim 5, characterized in that: The top end of each threaded rod (14) is threadedly connected to a second bolt (16).

8. A tower crane base (1) steel cap connection device according to claim 1, characterized in that: The upper surface of the base (1) is provided with a plurality of casting holes (17) arranged in a circumferential manner.

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