Movable tower crane device

Abstract

The utility model provides a movable tower crane device which comprises a base, a tower body is arranged on the base, a plurality of movable wheels are arranged on the lower side of the base, a through groove is formed in the base, a first inserting groove and a plurality of bolt holes are formed in the base, the tower body comprises a plurality of assembly frames, a balance weight fixing structure is arranged in the assembly frame located at the bottommost portion, and the balance weight fixing structure is arranged in the assembly frame located at the bottommost portion. The balance weight fixing structure corresponds to the through groove, a plurality of fixing plates are arranged on the peripheral side of the assembling frame, the first inserting groove corresponds to the assembling frame, the fixing plates correspond to the bolt holes, and a positioning structure is arranged on the assembling frame. The movable wheels are installed on the lower side of the base, the whole device can be driven to move through the movable wheels, therefore, the operation range of the device can be enlarged, the tower body is divided into a plurality of assembling frames, the whole device can be disassembled and assembled, and therefore a certain section can be replaced and maintained.

Description

Technical Field

[0001] The utility model relates to the technical field of tower cranes, in particular to a mobile tower crane device. Background Technique

[0002] At present, the tower crane is one of the common hoisting equipment on construction sites. It has the characteristics of a wide operation range, fast hoisting speed and flexible hoisting position. It has now become one of the essential construction equipment for large construction sites. The base of the existing circulating base of the tower crane can be reused, which reduces the operation cost of the tower crane. However, the tower crane base is fixedly arranged. When a part of the tower crane base is damaged, the change of the base pressure is likely to cause uneven settlement of the tower crane foundation, increasing the verticality deviation of the tower crane, thus affecting the stability of the tower crane. Moreover, most of the existing tower cranes are fixedly installed at a certain position and cannot be moved, resulting in a limited operation range.

[0003] Therefore, the utility model provides a mobile tower crane device. Content of the Utility Model

[0004] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a mobile tower crane device to solve the problems raised in the above background technology. The utility model can expand the operation range of the device; and a certain section can be replaced and repaired; the center of gravity can also be reduced through the counterweight fixing structure, and at the same time, the device can be fixed to prevent the device from moving through the moving wheels during the working process.

[0005] In order to achieve the above purpose, the utility model is realized through the following technical solutions: a mobile tower crane device, including a base, a tower body is installed on the base, a plurality of moving wheels are installed on the lower side of the base, a through groove is opened in the base, a first slot and a plurality of bolt holes are opened on the base, the tower body includes a plurality of assembly frames, a counterweight fixing structure is installed in the assembly frame at the bottom, the counterweight fixing structure corresponds to the through groove, a plurality of fixing plates are installed on the periphery of the assembly frame, the first slot corresponds to the assembly frame, the fixing plate corresponds to the bolt hole, and a positioning structure is installed on the assembly frame.

[0006] Furthermore, the assembly frame includes a plurality of insertion blocks fixed to the lower side of the assembly frame, a second slot is opened in the first slot, a third slot is opened on the upper side of the assembly frame, and the insertion block corresponds to the second slot and the third slot.

[0007] Furthermore, a plurality of bolts are installed in the fixing plate, the bolts correspond to the bolt holes, and the two adjacent fixing plates up and down are fixedly connected by bolts.

[0008] Furthermore, a plurality of through holes are opened in the fixing plate, and the through holes correspond to the bolts.

[0009] Furthermore, the counterweight fixing structure includes a counterweight block, and the counterweight block corresponds to the through groove.

[0010] Furthermore, an installation plate is fixed inside the bottommost assembly frame. The installation plate is in a loop structure and corresponds to the counterweight block.

[0011] Furthermore, a plurality of hydraulic cylinders are fixed on the installation plate, and the output ends of the hydraulic cylinders are fixedly connected to the counterweight block.

[0012] Furthermore, a plurality of fixing nails are fixed at the bottom of the counterweight block.

[0013] The beneficial effects of the present utility model: A mobile tower crane device of the present utility model includes a base; moving wheels; a tower body; an assembly frame; a counterweight fixing structure.

[0014] Moving wheels are installed on the lower side of the base, and the whole device can be driven to move by the moving wheels, thereby expanding the working range of the device. The tower body is divided into multiple assembly frames, and the whole device can be disassembled and assembled, so that a certain section can be replaced and repaired. A counterweight fixing structure is installed inside the bottommost assembly frame, which can reduce the center of gravity through the counterweight fixing structure and fix the device at the same time to prevent the device from moving through the moving wheels during the working process. Description of the Drawings

[0015] Figure 1 It is an overall assembled three-dimensional structure schematic diagram of a mobile tower crane device of the present utility model;

[0016] Figure 2 It is an exploded view of a mobile tower crane device of the present utility model;

[0017] Figure 3 It is an assembled three-dimensional structure schematic diagram of the base in a mobile tower crane device of the present utility model;

[0018] Figure 4 It is an assembled three-dimensional structure schematic diagram of the assembly frame and the counterweight block in a mobile tower crane device of the present utility model;

[0019] Figure 5 It is an assembled three-dimensional structure schematic diagram of the assembly frame in a mobile tower crane device of the present utility model;

[0020] In the figure: 1. Base; 2. Moving wheels; 3. Through groove; 4. First slot; 5. Second slot; 6. Bolt hole; 7. Tower body; 8. Assembly frame; 9. Insert block; 10. Third slot; 11. Fixed plate; 12. Through hole; 13. Counterweight block; 14. Hydraulic cylinder; 15. Installation plate; 16. Fixing nail. Detailed Embodiments

[0021] To make the technical means, creative features, achieved objectives and functions realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0022] Please refer to Figures 1 to 5 , the present utility model provides a technical solution: a mobile tower crane device, including a base 1, a tower body 7 is installed on the base 1, a plurality of moving wheels 2 are installed on the lower side of the base 1, a through groove 3 is opened in the base 1, a first slot 4 and a plurality of bolt holes 6 are opened on the base 1, the tower body 7 includes a plurality of assembling frames 8, a counterweight fixing structure is installed in the assembling frame 8 at the bottom, the counterweight fixing structure corresponds to the through groove 3, a plurality of fixing plates 11 are installed on the periphery of the assembling frame 8, the first slot 4 corresponds to the assembling frame 8, the fixing plates 11 correspond to the bolt holes 6, and a positioning structure is installed on the assembling frame 8.

[0023] In this embodiment, the assembling frame 8 includes a plurality of insertion blocks 9 fixed to the lower side of the assembling frame 8, a second slot 5 is opened in the first slot 4, a third slot 10 is opened on the upper side of the assembling frame 8, the insertion blocks 9 correspond to the second slot 5 and the third slot 10, a plurality of bolts are installed in the fixing plates 11, the bolts correspond to the bolt holes 6, and two adjacent fixing plates 11 up and down are fixedly connected by bolts. A plurality of through holes 12 are opened in the fixing plates 11, and the through holes 12 correspond to the bolts.

[0024] Specifically, when it is necessary to assemble a plurality of assembling frames 8, the plurality of assembling frames 8 are connected together through the insertion blocks 9 and the third slots 10, and then the plurality of assembling frames 8 are fixed through bolts and fixing plates 11, so as to realize the installation of the assembling frames 8.

[0025] Insert the insertion block 9 on the assembling frame 8 at the bottom into the second slot 5, so as to realize the positioning of the assembling frame 8 and the base 1, and then fix it through bolts and bolt holes 6, so as to realize the installation of the assembling frame 8 and the base 1.

[0026] The counterweight fixing structure includes a counterweight block 13, the counterweight block 13 corresponds to the through groove 3, a mounting plate 15 is fixed in the assembling frame 8 at the bottom, the mounting plate 15 is in a U-shaped structure, the mounting plate 15 corresponds to the counterweight block 13, a plurality of hydraulic cylinders 14 are fixed on the mounting plate 15, the output end of the hydraulic cylinder 14 is fixedly connected to the counterweight block 13, and a plurality of fixing nails 16 are fixed at the bottom of the counterweight block 13.

[0027] Specifically, when it is necessary to fix the device, start the hydraulic cylinder 14, so that the hydraulic cylinder 14 drives the counterweight block 13 to move downward, so as to drive the counterweight block 13 to pass through the through groove 3 and contact the ground, thereby reducing the overall center of gravity of the device and ensuring stability. The fixing nails 16 can also be inserted into the ground to fix the device.

[0028] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment contains only an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A mobile tower crane device, comprising a base (1), characterized in that, A tower body (7) is installed on the base (1). A plurality of moving wheels (2) are installed on the lower side of the base (1). A through groove (3) is formed in the base (1). A first slot (4) and a plurality of bolt holes (6) are formed in the base (1). The tower body (7) includes a plurality of assembling frames (8). A counterweight fixing structure is installed in the assembling frame (8) at the bottommost part. The counterweight fixing structure corresponds to the through groove (3). A plurality of fixing plates (11) are installed on the peripheral side of the assembling frame (8). The first slot (4) corresponds to the assembling frame (8). The fixing plate (11) corresponds to the bolt hole (6). A positioning structure is installed on the assembling frame (8).

2. The mobile tower crane device according to claim 1, characterized in that: The assembling frame (8) includes a plurality of insertion blocks (9) fixed to the lower side of the assembling frame (8). A second slot (5) is formed in the first slot (4). A third slot (10) is formed in the upper side of the assembling frame (8). The insertion block (9) corresponds to the second slot (5) and the third slot (10).

3. A mobile tower crane device according to claim 1, characterized in that: A plurality of bolts are installed in the fixing plate (11). The bolts correspond to the bolt holes (6). Two adjacent fixing plates (11) up and down are fixedly connected by bolts.

4. A mobile tower crane device according to claim 3, characterized in that: A plurality of through holes (12) are formed in the fixing plate (11). The through holes (12) correspond to the bolts.

5. A mobile tower crane device according to claim 1, characterized in that: The counterweight fixing structure includes a counterweight block (13). The counterweight block (13) corresponds to the through groove (3).

6. The mobile tower crane device according to claim 5, characterized in that: A mounting plate (15) is fixed in the assembling frame (8) at the bottommost part. The mounting plate (15) is in a loop structure. The mounting plate (15) corresponds to the counterweight block (13).

7. A mobile tower crane device according to claim 6, characterized in that: A plurality of hydraulic cylinders (14) are fixed on the mounting plate (15). The output end of the hydraulic cylinder (14) is fixedly connected to the counterweight block (13).

8. A mobile tower crane device according to claim 5, characterized in that: A plurality of fixing nails (16) are fixed to the bottom of the counterweight block (13).

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