Anti-climbing structure for tower crane

Abstract

The anti-climbing structure comprises a tower crane frame body, a crawling ladder, an outer side protection plate and an iron closing plate, the crawling ladder is arranged in the tower crane frame body, corner connecting pieces and cable-stayed reinforcing pieces are integrally arranged on the tower crane frame body, the outer side protection plate is inserted between the corner connecting pieces and abuts against the outer side portion of the tower crane frame body, and the iron closing plate is arranged on the outer side protection plate. A fixing bolt I is arranged on the corner connecting piece, an externally-connected rectangular groove is formed in the cable-stayed reinforcing piece, the externally-connected rectangular groove and the outer side protection plate are installed in an inserting and limiting mode, a lug plate base is arranged on the cable-stayed reinforcing piece, a fixing bolt II is installed between the lug plate base and the tower crane frame body, and the iron closing plate is arranged in the tower crane frame body in a hinged mode. And a spring telescopic locking piece is arranged in the iron sealing plate, a plug pin is arranged on the spring telescopic locking piece in a telescopic mode, and a pin hole matched with the plug pin in an inserting and limiting mode is formed in the inner side of the tower crane frame body. The anti-climbing tower crane has the advantages that the anti-climbing tower crane has the anti-climbing function, and the outer side and the inner side of the tower crane are prevented from climbing.

Description

Technical Field

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

[0002] At present, in most of the domestic construction projects, tower cranes are basically used for the turnover materials on the construction site. Tower cranes are the most commonly used lifting equipment on construction sites. They are also known as "tower cranes". They are used to lift raw materials for construction such as steel bars, wooden planks, concrete, steel pipes, etc. Tower cranes are an indispensable equipment on the construction site.

[0003] Due to the complex personnel on the construction site, idle personnel or workers often climb tower cranes to demand wages or have conflicts with the tower crane operator, which disrupts the project order and causes safety accidents. In addition, unrelated personnel often climb tower cranes on the construction site, which has a great impact on the smooth construction and the personal safety of the climbers. The existing tower cranes lack anti-climbing structures and do not have good blocking and anti-climbing functions. How to prevent climbing on the outside and inside of the tower crane is currently a topic that needs to be explored and studied, so it is necessary to improve it. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the utility model provides an anti-climbing structure for a tower crane, which has the characteristics of blocking and anti-climbing functions, preventing climbing outside the tower crane and preventing climbing inside the tower crane.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: an anti-climbing structure for a tower crane, comprising a tower crane frame, a ladder, an outer protective plate and an iron closing plate, the ladder being arranged in the tower crane frame, the tower crane frame being integrally provided with a corner connector and a diagonal reinforcement member, the outer protective plate being inserted between the corner connectors and abutting against the outer side of the tower crane frame body, the corner connector being provided with a fixing bolt I, the diagonal reinforcement member being provided with an external rectangular groove, the external rectangular groove being inserted and limitedly installed with the outer protective plate, the diagonal reinforcement member being provided with an ear plate seat, a fixing bolt II being installed between the ear plate seat and the tower crane frame body, the iron closing plate being hingedly arranged inside the tower crane frame body, the iron closing plate being provided with a spring telescopic locking member inside the iron closing plate, the spring telescopic locking member being telescopically provided with a latch, and the inner side of the tower crane frame being provided with a pin hole which cooperates with the latch for inserting and limiting.

[0006] As a preferred embodiment of the present invention, the tower crane body includes pillars and connecting components, and the connecting components are arranged between the pillars.

[0007] As a preferred embodiment of the present invention, a magnetic attraction block is provided on the connecting assembly.

[0008] As a preferred embodiment of the utility model, the tower crane frame body includes a tower crane frame body assembly, the tower crane frame body assembly is installed in a stacked manner, bolt barrels are provided on the outer side of the tower crane frame body assembly, and fixing bolts III are installed between the bolt barrels.

[0009] As a preferred embodiment of the utility model, the spring telescopic locking member includes a base, a sliding rod, a reset spring and a slider, the sliding rod is arranged in the base, the reset spring is sleeved on the sliding rod, the slider is slidably arranged on the sliding rod, the latch is arranged at one end of the slider, the other end of the slider is abutted against the reset spring, and the latch is movably arranged on the base.

[0010] As a preferred embodiment of the present invention, the iron closing plate is provided with a lower limit plate and an operating handle.

[0011] As a preferred embodiment of the present invention, the iron closing plate is provided with a notch groove corresponding to the ladder.

[0012] By adopting the above technical solution, the utility model has the following advantages compared with the prior art:

[0013] The utility model has a simple and reasonable structure. Firstly, the tower crane operator climbs to a high place to operate by climbing a ladder. When installing the outer protective plate, the outer protective plate is abutted against the tower crane frame body, and the fixing bolt I is installed through the corner connector, so that one end of the outer protective plate is fixedly installed, and the adjacent outer protective plates are connected with each other. Then, the outer protective plate is installed by the oblique-stayed reinforcement piece and the outer rectangular groove is used to limit the outer protective plate. The outer rectangular groove can limit the installation of the outer protective plate longitudinally. Secondly, the oblique-stayed reinforcement piece is fixed to the tower crane frame body by the fixing bolt II through the ear plate seat, and the oblique-stayed reinforcement piece and the outer protective plate form a triangular structure. The oblique-stayed reinforcement effect is better, thereby achieving The outer protective plate is firmly installed, and this structure can effectively prevent climbing from the outside of the tower crane. Through the fixing bolts I and II, the installation or disassembly is very simple; the iron closing plate is hingedly arranged inside the tower crane frame, and the iron closing plate is locked through the spring telescopic locking part and the cooperation of the pin and the pin hole. Conversely, the spring telescopic locking part is operated to make the pin contract, so that the iron closing plate can be opened. This structure can effectively prevent climbing inside the tower crane; in summary, the above structure has a good blocking and anti-climbing function, which can avoid the situation where irrelevant personnel climb the tower crane, ensure the smooth construction, and avoid great impact on the personal safety of the climbers. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the utility model when no iron closing plate is provided;

[0017] Figure 3 It is a structural schematic diagram of the frame assembly of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the iron closing plate of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the oblique-stayed reinforcement member of the utility model;

[0020] Figure 6 This is a schematic diagram of the structure of the spring telescopic locking member of the utility model;

[0021] In the figure: 1. tower crane frame; 2. ladder; 3. outer protective plate; 4. iron closing plate; 5. corner connector; 6. oblique reinforcement; 7. fixing bolt I; 8. external rectangular groove; 9. ear plate seat; 10. fixing bolt II; 11. spring telescopic locking member; 12. latch; 13. hinge joint; 14. pillar; 15. connecting assembly; 16. crossbeam; 17. diagonal rod; 18. magnetic block; 19. frame assembly; 20. bolt barrel; 21. fixing bolt III; 22. base; 23. slide bar; 24. reset spring; 25. slide block; 26. moving handle; 27. moving long hole; 28. lower limit plate; 29. ​​operating handle; 30. notch groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example

[0024] See also Figure 1-6The utility model provides a technical solution: an anti-climbing structure for a tower crane, comprising a tower crane frame 1, a ladder 2, an outer protective plate 3 and an iron closing plate 4, the ladder 2 is arranged in the tower crane frame 1, and a corner connector 5 and a diagonal reinforcement member 6 are integrally arranged on the tower crane frame 1, the outer protective plate 3 is inserted between the corner connectors 5 and abuts against the outer side of the tower crane frame 1, a fixing bolt I7 is arranged on the corner connector 5, an external rectangular groove 8 is arranged on the diagonal reinforcement member 6, and the external rectangular groove 8 is installed in a plug-in limit position with the outer protective plate 3, an ear plate seat 9 is arranged on the diagonal reinforcement member 6, and a fixing bolt II10 is installed between the ear plate seat 9 and the tower crane frame 1, and the iron closing plate 4 is hingedly arranged inside the tower crane frame 1, and a spring telescopic locking member 11 is arranged inside the iron closing plate 4, and the spring telescopic locking member 11 is telescopically provided with a latch 12, and a pin hole that is plug-in and limit-matched with the latch 12 is arranged on the inner side of the tower crane frame 1.

[0025] In this embodiment, the utility model has a simple and reasonable structure. First, the tower crane operator climbs up to a high place through a ladder 2 to operate. When installing the outer protective plate 3, the outer protective plate 3 is abutted against the tower crane frame 1, and the fixing bolts I7 are installed through the corner connector 5, so that one end of the outer protective plate 3 is fixedly installed, and the adjacent outer protective plates 3 are connected to each other, and then the outer protective plate 3 is installed by the oblique-stayed reinforcement piece 6 and the external rectangular groove 8. The external rectangular groove 8 can limit the installation of the outer protective plate 3 in the longitudinal direction. Secondly, the oblique-stayed reinforcement piece 6 is fixed to the tower crane frame 1 through the ear plate seat by the fixing bolts II10, and the oblique-stayed reinforcement piece 6 and the outer protective plate 3 form a triangular structure, and the oblique-stayed reinforcement effect is better. , thereby achieving a stable installation of the outer protective plate 3. This structure can effectively prevent climbing from the outside of the tower crane. Through the fixing bolts I7 and II10, installation or disassembly is very simple; the iron closing plate 4 is hingedly arranged inside the tower crane frame 1, and the iron closing plate 4 is locked by the spring telescopic locking piece 11 and the cooperation of the latch 12 and the pin hole. Conversely, the spring telescopic locking piece 11 is operated to make the latch 12 contract, so that the iron closing plate 4 can be opened. This structure can effectively prevent climbing inside the tower crane; in summary, the above structure has a good blocking and anti-climbing function, which can prevent irrelevant personnel from climbing the tower crane, ensure the smooth construction, and avoid great impact on the personal safety of the climbers.

[0026] Specifically, the ladder 2 is integrally arranged in the tower crane body 1. The outer protective plates 3 are spliced ​​to form an integral protective structure, which can effectively prevent climbing on the outer side of the tower crane. The corner connector 5 is fan-shaped and integrally welded on the tower crane body 1, wherein the fixing bolts 17 respectively fix the adjacent outer protective plates 3. A hinge joint 13 is arranged between the tower crane body 1 and the iron closing plate 4.

[0027] Furthermore, specifically, the tower crane body 1 includes pillars 14 and a connecting assembly 15 , and the connecting assembly 14 is arranged between the pillars 13 .

[0028] In this embodiment, the connection assembly 15 includes a crossbeam 16 and an inclined rod 17 , so that a stable structure is formed between the pillars 13 , and the inclined rod 17 plays a reinforcing role.

[0029] Furthermore, specifically, a magnetic block 18 is provided on the connecting component 15 .

[0030] In this embodiment, when the iron closing plate 4 is opened and flipped to one side, the iron closing plate 4 abuts against the magnetic block 18, and the magnetic block 18 magnetically attracts the iron closing plate 4 to ensure the open state for use.

[0031] Further, specifically, the tower crane frame 1 includes a tower crane frame assembly 19 , which is installed in a stacked manner. Bolt barrels 20 are provided on the outer side of the tower crane frame assembly 19 , and fixing bolts III21 are installed between the bolt barrels 20 .

[0032] In this embodiment, the structure is a component stacking structure, and the upper and lower bolt barrels 20 of the tower crane frame assembly 19 are fixed at multiple points through fixing bolts III21, forming a relatively stable structure, and the tower crane frame assembly 19 is easy to transport.

[0033] Further, specifically, the spring telescopic locking member 11 includes a base 22, a slide rod 23, a reset spring 24 and a slider 25. The slide rod 23 is arranged in the base 22, the reset spring 24 is sleeved on the slide rod 23, the slider 25 is slidably arranged on the slide rod 23, the latch 12 is arranged at one end of the slider 25, and the other end of the slider 25 is abutted against the reset spring 24. The latch 12 is movably arranged on the base 25, and a moving handle 26 is arranged on the slider 25. A moving long strip hole 27 for moving the moving handle 26 is arranged on the iron closing plate 4.

[0034] In this embodiment, the slider 25 moves in a directional manner on the slide rod 23, wherein the return spring 24 uses its own elasticity to make the slider 25 act on one side, so that the latch 12 moves to one side and is inserted into the pin hole, which will lock the iron closing plate 4. Conversely, the slider 25 moves to the other side, so that the return spring 24 contracts, and the latch 12 contracts in the base 22, so that the iron closing plate 4 can be opened.

[0035] Furthermore, specifically, the iron closing plate 4 is provided with a lower limit plate 28 and an operating handle 29 .

[0036] In this embodiment, the lower limit plate 28 is provided to limit the turning stroke of the iron closing plate 4 when it is turned over and closed, and the operating handle 29 facilitates the opening and operation of the iron closing plate 4.

[0037] Furthermore, specifically, a notch groove 30 corresponding to the ladder 2 is provided on the iron closing plate 4 .

[0038] In this embodiment, the notch groove 30 can prevent the iron closing plate from interfering with the ladder 2, thereby ensuring that one side of the iron closing plate 4 can flip over.

[0039] 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.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An anti-climbing structure for a tower crane, characterized in that: The tower crane comprises a tower crane frame (1), a ladder (2), an outer protective plate (3) and an iron closing plate (4), wherein the ladder (2) is arranged in the tower crane frame (1), the tower crane frame (1) is integrally provided with a corner connector (5) and a diagonal reinforcement member (6), the outer protective plate (3) is inserted between the corner connectors (5) and abuts against the outer side of the tower crane frame (1), the corner connector (5) is provided with a fixing bolt I (7), the diagonal reinforcement member (6) is provided with an external rectangular groove (8), and the external rectangular groove (8) It is installed in a plug-in limited position with the outer protective plate (3), the inclined reinforcement member (6) is provided with an ear plate seat (9), a fixing bolt II (10) is installed between the ear plate seat (9) and the tower crane frame (1), the iron closing plate (4) is hingedly arranged inside the tower crane frame (1), a spring telescopic locking member (11) is arranged inside the iron closing plate (4), the spring telescopic locking member (11) is telescopically provided with a latch (12), and a pin hole that cooperates with the latch (12) in a plug-in limited position is arranged on the inner side of the tower crane frame (1).

2. The anti-climbing structure for a tower crane according to claim 1, characterized in that: The tower crane body (1) comprises pillars (14) and a connection assembly (15), wherein the connection assembly (15) is arranged between the pillars (14).

3. The anti-climbing structure for a tower crane according to claim 2, characterized in that: The connection assembly (15) is provided with a magnetic attraction block (18).

4. The anti-climbing structure for a tower crane according to claim 1, characterized in that: The tower crane frame (1) comprises a tower crane frame assembly (19), wherein the tower crane frame assembly (19) is installed in a stacked manner, a bolt barrel (20) is arranged on the outer side of the tower crane frame assembly (19), and fixing bolts III (21) are installed between the bolt barrels (20).

5. The anti-climbing structure for a tower crane according to claim 1, characterized in that: The spring telescopic locking member (11) comprises a base (22), a slide bar (23), a reset spring (24) and a slider (25); the slide bar (23) is arranged in the base (22); the reset spring (24) is sleeved on the slide bar (23); the slider (25) is slidably arranged on the slide bar (23); the latch (12) is arranged at one end of the slider (25); the other end of the slider (25) is in contact with the reset spring (24); and the latch (12) is movably arranged on the base (22).

6. The anti-climbing structure for a tower crane according to claim 1, characterized in that: The iron closing plate (4) is provided with a lower limit plate (28) and an operating handle (29).

7. The anti-climbing structure for a tower crane according to claim 1, characterized in that: The iron closing plate (4) is provided with a notch groove (30) corresponding to the ladder (2).

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