Anti-climbing device of tower crane

By designing an anti-climbing device on the tower crane, including an anti-climbing component and a blocking component, the problem of non-operating personnel climbing is solved and safety is improved.

CN223316303UActive Publication Date: 2025-09-09WENZHOU HAIXU CONSTR ENG CO LTD
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Patent Information

Application Number
CN202422778903.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-14
Publication Date
2025-09-09
Estimated Expiration
2034-11-14

AI Technical Summary

Technical Problem

Existing tower cranes cannot effectively prevent non-operating personnel from climbing, resulting in reduced safety.

Method used

A device including an anti-climbing component, a limiting component and a blocking component is designed. The anti-climbing component is fixed by the limiting component, and the blocking component is used to prevent non-staff from climbing.

Benefits of technology

It effectively prevents non-operating personnel from climbing, improves the safety of tower cranes and reduces the risk of injury.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-climbing device for a tower crane, and relates to the technical field of cranes, the anti-climbing device for the tower crane comprises an anti-climbing component, and the anti-climbing component is used for preventing a worker from climbing; the limiting assembly is arranged on the surface of the bottom of the anti-climbing assembly, and the limiting assembly is used for limiting the anti-climbing assembly; the tower crane comprises a limiting assembly and a blocking assembly, the blocking assembly is arranged in an inner cavity of the limiting assembly, the blocking assembly is used for allowing non-staff to climb from the inside, the limiting assembly comprises a workbench, and a tower crane body is arranged on the surface of the top of the workbench; a limiting frame is fixedly connected to the position, located on the surface of the top of the workbench, of the outer side of the bottom end of the tower crane body, non-operating personnel can be prevented from climbing illegally, the non-operating personnel can also be prevented from climbing from the interior, and therefore workers can conveniently disassemble and assemble the tower crane, and safety can be improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of cranes, in particular to an anti-climbing device for a tower crane. Background Art

[0002] Tower cranes, also known as tower cranes, are a type of essential lifting equipment widely used in a variety of engineering fields, including construction, road and bridge construction, and port and shipbuilding. A tower crane is a fully revolving jib crane with a tower-like structure. Its main components include the tower, boom, counter-jib, turntable, and base. The tower crane's tower is typically vertical, with the boom and counter-jib mounted at the top. Due to the complex operating environment and high operational risks associated with tower cranes, operator safety training is crucial. This training typically covers operating procedures, emergency response, and equipment maintenance.

[0003] Regarding the above-mentioned related technologies, the inventors believe that there are the following defects: although it can remind non-operating personnel of illegal climbing, it cannot prevent them, thereby reducing safety risks and further reducing safety. Therefore, we propose a tower crane anti-climbing device to solve the above-mentioned problems. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides an anti-climbing device for a tower crane, which solves the problem that the device cannot be blocked.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: an anti-climbing device for a tower crane, comprising an anti-climbing component, the anti-climbing component being used to prevent workers from climbing;

[0006] a limiting assembly, the limiting assembly being arranged on the bottom surface of the anti-climbing assembly and being used to limit the position of the anti-climbing assembly; and

[0007] A blocking component is provided in the inner cavity of the limiting component and is used to prevent non-staff from climbing from the inside.

[0008] Preferably, the limiting assembly includes a workbench, a tower crane body is provided on the top surface of the workbench, a limiting frame is fixedly connected to the outside of the bottom end of the tower crane body and located on the top surface of the workbench, a fixing groove is provided on the top surface of the limiting frame, and the inner cavity of the fixing groove is connected to the anti-climbing assembly;

[0009] Fixing bolts are provided on both sides of the center position of the two side surfaces of the limiting frame, and the fixing bolts are connected to the anti-climbing assembly.

[0010] Preferably, the anti-climbing component includes a C-shaped frame, which is arranged in the inner cavity of the fixing groove. Fixing holes are opened on both sides of the center position of the two side surfaces of the C-shaped frame. The inner cavity of the fixing hole is connected to the fixing bolt, and a circular guardrail is provided on the top of the C-shaped frame.

[0011] Preferably, an anti-climbing net is provided on the bottom surface of the circular guardrail, and the anti-climbing net is used to prevent climbing.

[0012] Preferably, a warning sticker is provided on the outside of the C-shaped frame, and the warning sticker is used to warn the staff.

[0013] Preferably, the outer diameter of the C-shaped frame when viewed from above is the same as the inner diameter of the fixing groove when viewed from above, and the two are adapted to each other.

[0014] Preferably, the blocking assembly includes a support plate, which is arranged in the inner cavity of the tower crane body, a connecting groove is provided on one side of the top surface of the support plate, a movable plate is provided in the inner cavity of the connecting groove, one side of the top surface of the movable plate is connected to one side of the connecting groove through a connecting hinge, a fixed plate is provided on the other side of the top surface of the movable plate, a movable bolt is provided in the center position of the top surface of the fixed plate, an internal threaded hole is provided on the top surface of the support plate and close to the connecting groove, and the internal threaded hole is connected to the movable bolt.

[0015] Beneficial effects

[0016] The utility model provides an anti-climbing device for a tower crane. Compared with the prior art, it has the following beneficial effects:

[0017] When it is necessary to prevent non-staff from climbing the tower crane, the tower crane anti-climbing device first places the limit assembly at a preset position, and then fixes the anti-climbing assembly to the inner cavity of the limit assembly. Since the inner cavity of the limit assembly is fixedly connected with the blocking assembly, the limit assembly can provide support for the anti-climbing assembly, and then the limit assembly can provide support for the blocking assembly, so that the limit assembly can fix the anti-climbing assembly. Then, through the anti-climbing assembly and the blocking assembly, staff can be prevented from climbing from the outside of the tower crane, and non-operating personnel can be prevented from climbing from the inner cavity of the tower crane, thereby preventing injuries and improving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the limit assembly of the utility model;

[0020] Figure 3This is a schematic diagram of the structure of the anti-climbing component of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the blocking component of the utility model.

[0022] In the figure: 1. Limiting assembly; 11. Workbench; 12. Tower crane body; 13. Limiting frame; 14. Fixing slot; 15. Fixing bolt; 2. Anti-climbing assembly; 21. C-shaped frame; 22. Fixing hole; 23. Reciprocating guardrail; 24. Anti-climbing net; 25. Warning post; 3. Blocking assembly; 31. Support plate; 32. Connecting slot; 33. Movable plate; 34. Connecting hinge; 35. Fixing plate; 36. Movable bolt; 37. Internal threaded hole. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-4 The utility model provides a technical solution: an anti-climbing device for a tower crane, comprising an anti-climbing component 2, which is used to prevent workers from climbing; a limiting component 1, which is arranged on the bottom surface of the anti-climbing component 2 and is used to limit the anti-climbing component 2; and a blocking component 3, which is arranged in the inner cavity of the limiting component 1 and is used to prevent non-staff from climbing from the inside;

[0025] When it is necessary to prevent non-staff from climbing the tower crane, first place the limit assembly 1 in a preset position, and then fix the anti-climbing assembly 2 to the inner cavity of the limit assembly 1. Since the inner cavity of the limit assembly 1 is fixedly connected to the blocking assembly 3, the limit assembly 1 can provide support for the anti-climbing assembly 2, and then the limit assembly 1 can provide support for the blocking assembly 3, so that the limit assembly 1 can fix the anti-climbing assembly 2, and then through the anti-climbing assembly 2 and the blocking assembly 3, staff can be prevented from climbing from the outside of the tower crane, and non-operating personnel can be prevented from climbing from the inner cavity of the tower crane, thereby preventing injuries and improving safety.

[0026] See Figure 1 、 Figure 2The limiting assembly 1 includes a workbench 11, a tower crane body 12 is provided on the top surface of the workbench 11, a limiting frame 13 is fixedly connected to the outside of the bottom end of the tower crane body 12 and located on the top surface of the workbench 11, and a fixing groove 14 is provided on the top surface of the limiting frame 13. The inner cavity of the fixing groove 14 is connected to the anti-climbing assembly 2; fixing bolts 15 are provided on both sides of the center position of the two side surfaces of the limiting frame 13, and the fixing bolts 15 are connected to the anti-climbing assembly 2;

[0027] The workbench 11 in the limit assembly 1 can be placed in a preset position and provide an installation foundation for the tower crane body 12. Since the outside of the bottom end of the tower crane body 12 is fixedly connected to the limit frame 13 on the top surface of the workbench 11, and a fixing groove 14 is provided on the top surface of the limit frame 13, and the inner cavity of the fixing groove 14 is connected to the anti-climbing assembly 2, the workbench 11 can provide support for the limit frame 13, and the fixing groove 14 can limit the anti-climbing assembly 2, so as to improve the stability of the anti-climbing assembly 2. Since the fixing bolts 15 are movably connected on both sides of the center position of the two side surfaces of the limit frame 13, and the fixing bolts 15 are connected to the anti-climbing assembly 2, the fixing bolts 15 can fix the anti-climbing assembly 2, and the anti-climbing assembly 2 can be easily disassembled and assembled, so that it is convenient for the staff to install it.

[0028] See Figure 1 、 Figure 3 The anti-climbing component 2 includes a C-shaped frame 21, which is arranged in the inner cavity of the fixing groove 14. Fixing holes 22 are opened on both sides of the center position of the two side surfaces of the C-shaped frame 21. The inner cavity of the fixing hole 22 is connected to the fixing bolt 15. A circular guardrail 23 is provided on the top of the C-shaped frame 21, and an anti-climbing net 24 is provided on the bottom surface of the circular guardrail 23. The anti-climbing net 24 is used to prevent climbing. A warning post 25 is provided on the outside of the C-shaped frame 21. The warning post 25 is used to warn the staff. The outer diameter of the C-shaped frame 21 when viewed from above is the same as the inner diameter of the fixing groove 14 when viewed from above, and the two are adapted to each other.

[0029] The C-shaped frame 21 in the anti-climbing assembly 2 can be inserted into the inner cavity of the fixing groove 14 and provide a basis for opening the fixing hole 22. Since the inner cavity of the fixing hole 22 is connected to the fixing bolt 15, the fixing bolt 15 can fix the C-shaped frame 21, and thus the C-shaped frame 21 can be easily disassembled, so that it is convenient for the staff to assemble it. Since the top of the C-shaped frame 21 is fixedly connected to the circular guardrail 23, the C-shaped frame 21 can provide support for the circular guardrail 23, thereby blocking non-professionals to prevent non-professionals from climbing. Since the bottom surface of the circular guardrail 23 is fixedly connected to the anti-climbing net 24, and the outer side of the C-shaped frame 21 is fixedly connected to the warning sticker 25, the anti-climbing net 24 can cooperate with the warning sticker 25, thereby serving as a warning to people who attempt to approach or climb the tower crane, so as to improve safety.

[0030] See Figure 1 、 Figure 4 The blocking assembly 3 includes a support plate 31, which is arranged in the inner cavity of the tower crane body 12. A connecting groove 32 is provided on one side of the top surface of the support plate 31. A movable plate 33 is provided in the inner cavity of the connecting groove 32. One side of the top surface of the movable plate 33 is connected to one side of the connecting groove 32 through a connecting hinge 34. A fixed plate 35 is provided on the other side of the top surface of the movable plate 33. A movable bolt 36 is provided in the center of the top surface of the fixed plate 35. An internal threaded hole 37 is provided on the top surface of the support plate 31 near the connecting groove 32. The internal threaded hole 37 is connected to the movable bolt 36.

[0031] The support plate 31 in the blocking assembly 3 can be fixedly connected to the inner cavity of the tower crane body 12 and provide a basis for opening the connecting groove 32. Since the inner cavity of the connecting groove 32 is movably connected to the movable plate 33, and one side of the top surface of the movable plate 33 is connected to one side of the connecting groove 32 by a connecting hinge 34, the movable plate 33 can be connected to the support plate 31 through the connecting hinge 34, which makes it convenient for the staff to open and close the movable plate 33. Since the other side of the top surface of the movable plate 33 is fixedly connected to the fixed plate 35, and the top surface of the fixed plate 35 is rotatably connected to the movable bolt 36 at the center position, at the same time, an internal threaded hole 37 is opened on the top surface of the support plate 31 and close to the connecting groove 32, and the internal threaded hole 37 is connected to the movable bolt 36, so that the movable bolt 36 can be rotatably connected to the inner cavity of the internal threaded hole 37, and then the movable bolt 36 can fix the movable plate 33 through the fixed plate 35, so that it is convenient for the operator to open and close it.

[0032] During operation, when it is necessary to prevent non-staff from climbing the tower crane, first place the limit component 1 in the preset position, and then fix the anti-climbing component 2 to the inner cavity of the limit component 1. Since the inner cavity of the limit component 1 is fixedly connected with the blocking component 3, the limit component 1 can provide support for the anti-climbing component 2, and then the limit component 1 can provide support for the blocking component 3, so that the limit component 1 can fix the anti-climbing component 2, and then through the anti-climbing component 2 and the blocking component 3, it can prevent staff from climbing from the outside of the tower crane, and then prevent non-operating personnel from climbing from the inner cavity of the tower crane, thereby preventing injuries, so as to improve safety.

[0033] The workbench 11 in the limit assembly 1 can be placed in a preset position and provide an installation foundation for the tower crane body 12. Since the outside of the bottom end of the tower crane body 12 is fixedly connected to the limit frame 13 on the top surface of the workbench 11, and a fixing groove 14 is provided on the top surface of the limit frame 13, and the inner cavity of the fixing groove 14 is connected to the anti-climbing assembly 2, the workbench 11 can provide support for the limit frame 13, and the fixing groove 14 can limit the anti-climbing assembly 2, so as to improve the stability of the anti-climbing assembly 2. Since the fixing bolts 15 are movably connected on both sides of the center position of the two side surfaces of the limit frame 13, and the fixing bolts 15 are connected to the anti-climbing assembly 2, the fixing bolts 15 can fix the anti-climbing assembly 2, and the anti-climbing assembly 2 can be easily disassembled and assembled, so that it is convenient for the staff to install it.

[0034] The C-shaped frame 21 in the anti-climbing assembly 2 can be inserted into the inner cavity of the fixing groove 14 and provide a basis for opening the fixing hole 22. Since the inner cavity of the fixing hole 22 is connected to the fixing bolt 15, the fixing bolt 15 can fix the C-shaped frame 21, and thus the C-shaped frame 21 can be easily disassembled, so that it is convenient for the staff to assemble it. Since the top of the C-shaped frame 21 is fixedly connected to the circular guardrail 23, the C-shaped frame 21 can provide support for the circular guardrail 23, thereby blocking non-professionals to prevent non-professionals from climbing. Since the bottom surface of the circular guardrail 23 is fixedly connected to the anti-climbing net 24, and the outer side of the C-shaped frame 21 is fixedly connected to the warning sticker 25, the anti-climbing net 24 can cooperate with the warning sticker 25, thereby serving as a warning to people who attempt to approach or climb the tower crane, so as to improve safety.

[0035] The support plate 31 in the blocking assembly 3 can be fixedly connected to the inner cavity of the tower crane body 12 and provide a basis for opening the connecting groove 32. Since the inner cavity of the connecting groove 32 is movably connected to the movable plate 33, and one side of the top surface of the movable plate 33 is connected to one side of the connecting groove 32 by a connecting hinge 34, the movable plate 33 can be connected to the support plate 31 through the connecting hinge 34, which makes it convenient for the staff to open and close the movable plate 33. Since the other side of the top surface of the movable plate 33 is fixedly connected to the fixed plate 35, and the top surface of the fixed plate 35 is rotatably connected to the movable bolt 36 at the center position, at the same time, an internal threaded hole 37 is opened on the top surface of the support plate 31 and close to the connecting groove 32, and the internal threaded hole 37 is connected to the movable bolt 36, so that the movable bolt 36 can be rotatably connected to the inner cavity of the internal threaded hole 37, and then the movable bolt 36 can fix the movable plate 33 through the fixed plate 35, so that it is convenient for the operator to open and close it.

[0036] In summary, the device can prevent non-operating personnel from climbing illegally and can also prevent non-operating personnel from climbing from the inside, thereby facilitating disassembly and installation by staff and thus improving safety.

[0037] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A tower crane anti-climbing device, characterized in that: include: An anti-climbing component (2), the anti-climbing component (2) being used to prevent workers from climbing; A limiting component (1), the limiting component (1) being arranged on the bottom surface of the anti-climbing component (2), the limiting component (1) being used to limit the anti-climbing component (2); and A blocking component (3) is provided in the inner cavity of the position limiting component (1), and the blocking component (3) is used to prevent non-staff from climbing from the inside.

2. The anti-climbing device for a tower crane according to claim 1, characterized in that: The limiting assembly (1) includes a workbench (11), a tower crane body (12) is provided on the top surface of the workbench (11), a limiting frame (13) is fixedly connected to the outside of the bottom end of the tower crane body (12) and located on the top surface of the workbench (11), a fixing groove (14) is provided on the top surface of the limiting frame (13), and the inner cavity of the fixing groove (14) is connected to the anti-climbing assembly (2); Fixing bolts (15) are provided on both sides of the center position of the two side surfaces of the limiting frame (13), and the fixing bolts (15) are connected to the anti-climbing component (2).

3. The anti-climbing device for a tower crane according to claim 2, characterized in that: The anti-climbing assembly (2) comprises a C-shaped frame (21), the C-shaped frame (21) being arranged in the inner cavity of the fixing groove (14), fixing holes (22) being provided on both sides of the central position of the two side surfaces of the C-shaped frame (21), the inner cavities of the fixing holes (22) being connected to the fixing bolts (15), and a circular guardrail (23) being provided at the top end of the C-shaped frame (21).

4. The anti-climbing device for a tower crane according to claim 3, characterized in that: The bottom surface of the circular guardrail (23) is provided with an anti-climbing net (24), and the anti-climbing net (24) is used to prevent climbing.

5. The anti-climbing device for a tower crane according to claim 3, characterized in that: A warning post (25) is provided on the outside of the C-shaped frame (21), and the warning post (25) is used to warn staff.

6. The anti-climbing device for a tower crane according to claim 5, characterized in that: The outer diameter of the C-shaped frame (21) when viewed from above is the same as the inner diameter of the fixing groove (14) when viewed from above, and the two are compatible.

7. The anti-climbing device for a tower crane according to claim 2, characterized in that: The blocking assembly (3) includes a support plate (31), the support plate (31) is arranged in the inner cavity of the tower crane body (12), a connecting groove (32) is provided on one side of the top surface of the support plate (31), a movable plate (33) is provided in the inner cavity of the connecting groove (32), one side of the top surface of the movable plate (33) is connected to one side of the connecting groove (32) through a connecting hinge (34), a fixed plate (35) is provided on the other side of the top surface of the movable plate (33), a movable bolt (36) is provided at the center of the top surface of the fixed plate (35), an internal threaded hole (37) is provided on the top surface of the support plate (31) and close to the connecting groove (32), and the internal threaded hole (37) is connected to the movable bolt (36).