Container gantry crane spreader anti-collision device

Abstract

The utility model discloses a container gantry crane sling anti -collision device, including the first fixed hoop and the second fixed hoop of the electric hoist outside casing, the utility model provides a container gantry crane sling anti -collision device, is provided with the protection shell and the protection subassembly through setting, in the process of normal use, two groups of protection board open state make the bottom of two groups of protection shell open, and in the process of not using the sling, through the effect of moving piece and make the rack move, make the flat gear drive rotating shaft rotate through the movement of rack, thereby make the protection board rotate and close the bottom end opening of protection shell, and then protect the sling, therefore solved the problem that the sling of prior art does not have the protection mechanism and is easy to collide and leads to the sling damage deformation.

Description

Technical Field

[0001] This utility model relates to the field of anti-collision technology for crane spreaders, specifically an anti-collision device for container gantry crane spreaders. Background Technology

[0002] Container gantry cranes, also known as portal cranes, are a type of bridge crane. They are mainly used for loading and unloading containers in outdoor freight yards and material yards. Their metal structure is a portal frame with two legs installed under the main beam, allowing them to travel directly on ground tracks. The main beam usually has cantilever beams at both ends to accommodate the loading and unloading needs of containers.

[0003] Currently, gantry cranes are used in container shipping to handle containers, lifting them and transporting them to trucks. The spreader primarily functions to lift the containers. During use, the spreader is constantly exposed, making it susceptible to damage and deformation from collisions, thus affecting its lifespan. Therefore, we propose an anti-collision device for container gantry crane spreaders. Utility Model Content

[0004] The purpose of this utility model is to provide an anti-collision device for container gantry crane spreaders to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a container gantry crane spreader anti-collision device, including a first fixed clamp and a second fixed clamp sleeved on the outside of an electric hoist. When the first and second fixed clamps are closed, their axial center is cylindrically hollow. A fixing plate is fixedly connected to both the first and second fixed clamps. Mounting holes are provided on the fixing plates, and fixing screws are installed in the mounting holes. Fixing nuts are threaded onto the fixing screws. Protective shells are provided at the bottom of both the first and second fixed clamps. The protective shells communicate with the cylindrical cavity formed by the first and second fixed clamps. A protective component is provided at the bottom of the protective shell. The protective component protects the spreader, and a reinforcing member is provided between the two sets of protective shells. The protective component and protective shell effectively protect the spreader from collisions.

[0006] Preferably, the protective assembly includes a rotating shaft rotatably connected to the two sets of protective shells respectively. A protective plate is fixedly connected to the rotating shaft, and a rotating component is installed on the rotating shaft. The rotating component is used to drive the rotating shaft to rotate, thereby causing the protective plate to rotate. The rotation of the protective plate allows the lifting device to be used normally and to protect it. The protective plate can rotate freely, so the lifting device can move up and down normally during use. After use, the protective plate closes the protective shell to protect it.

[0007] Preferably, the rotating component includes a flat gear fixedly connected to two sets of rotating shafts respectively. The outer surface of the flat gear meshes with a rack, and a moving component for driving the rack to move is installed on the rack. Through the meshing and rotation of the rack and the flat gear, the rotating shaft can freely drive the protective plate to rotate.

[0008] Preferably, the movable component includes a fixed frame fixedly connected to the protective shell, a telescopic rod fixedly connected to the fixed frame, and a connecting block fixedly connected to the rack at the end of the telescopic rod. The extension and retraction of the telescopic rod causes the rack to move back and forth, thereby driving the spur gear to rotate forward and reverse.

[0009] Preferably, the reinforcement includes a connecting sleeve and a plug-in block respectively fixed on the two sets of protective shells. The plug-in block is adapted to the connecting sleeve, and both the plug-in block and the connecting sleeve have corresponding connecting holes. A fixing post is threaded into the connecting hole, and an operating groove is provided at the end of the fixing post. The design of the reinforcement allows the two sets of protective shells to be tightly connected to the bottom of the electric hoist.

[0010] Preferably, the operating groove is any one of a cross-shaped groove, a slotted groove, and a hexagonal groove. The cross-shaped groove, slotted groove, and hexagonal groove correspond to common screwdriver bits, thus facilitating operation.

[0011] Preferably, two sets of the plug-in block and the connecting sleeve are provided and are respectively installed on both sides of the protective shell. The end of the plug-in block is tapered, which makes the connection of the protective shell more stable, and the tapered design makes it easy for the plug-in block to be inserted into the connecting sleeve.

[0012] Compared with the prior art, the beneficial effects of this utility model are: The anti-collision device for container gantry crane spreaders provided by this utility model, by setting up a protective shell and protective components, allows the two sets of protective plates to be open during normal use, so that the bottom of the two sets of protective shells is open. When the spreader is not in use, the action of the moving component causes the rack to move, and the movement of the rack causes the flat gear to drive the rotating shaft to rotate, thereby causing the protective plates to rotate and close the bottom opening of the protective shell, thus protecting the spreader. Therefore, it solves the problem in the prior art that spreaders without protective mechanisms are prone to collisions that cause damage and deformation to the spreader. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the overall disassembled structure of this utility model; Figure 3 This utility model Figure 2 Schematic diagram of the structure of area A in the middle; Figure 4 This is a partial structural diagram of the present invention; Figure 5 This utility model Figure 4 Schematic diagram of the structure of area B in the middle.

[0014] In the diagram: 1. First fixing clamp; 2. Second fixing clamp; 3. Fixing plate; 4. Mounting hole; 5. Fixing screw; 6. Fixing nut; 7. Protective shell; 8. Protective component; 9. Reinforcing component; 10. Rotating shaft; 11. Protective plate; 12. Rotating component; 13. Flat gear; 14. Rack; 15. Moving component; 16. Fixing frame; 17. Telescopic rod; 18. Connecting block; 19. Insertion block; 20. Connecting sleeve; 21. Connecting hole; 22. Fixing column; 23. Operating slot. Detailed Implementation

[0015] 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.

[0016] Please see Figures 1-5This utility model provides a technical solution: a container gantry crane spreader anti-collision device, including a first fixing clamp 1 and a second fixing clamp 2 sleeved on the outside of an electric hoist. When the first fixing clamp 1 and the second fixing clamp 2 are closed, they are cylindrical and hollow at their axial center. A fixing plate 3 is fixedly connected to both the first fixing clamp 1 and the second fixing clamp 2. The fixing plate 3 has a mounting hole 4, and a fixing screw 5 is provided in the mounting hole 4. A fixing nut 6 is threaded onto the fixing screw 5. A protective shell 7 is provided at the bottom of both the first fixing clamp 1 and the second fixing clamp 2. The protective shell 7 communicates with the cylindrical cavity formed by the first fixing clamp 1 and the second fixing clamp 2. A protective component 8 is provided at the bottom of the protective shell 7. The protective component 8 is used to protect the spreader, and a reinforcing member 9 is provided between the two sets of protective shells 7. The protective component 8 and the protective shell 7 can effectively protect the spreader and prevent it from being hit by a collision.

[0017] The first fixing clamp 1 and the second fixing clamp 2 form a cylindrical cavity in the center after being closed. They are then fitted onto the outer side of the electric hoist and fixed by fixing screws 5 and fixing nuts 6. The protective shell 7 is connected to the cavity, so the lifting device can be placed in the protective shell 7.

[0018] Furthermore, during the use of the lifting device, the protective component 8 opens, making the bottom of the protective shell 7 open, thus not affecting the normal use of the lifting device. When not in use, the protective component 8 closes the bottom opening of the protective shell 7 to protect the lifting device.

[0019] In the embodiments of this utility model, please refer to Figure 4 and Figure 5 The protective assembly 8 shown in the figure includes a rotating shaft 10 that is rotatably connected to two sets of protective shells 7. A protective plate 11 is fixedly connected to the rotating shaft 10, and a rotating component 12 is installed on the rotating shaft 10. The rotating component 12 is used to drive the rotating shaft 10 to rotate, thereby causing the protective plate 11 to rotate. The rotation of the protective plate 11 allows the lifting device to be used normally and to protect it. The protective plate 11 can rotate freely, so the lifting device can move up and down normally during use. After use, the protective plate 11 closes the protective shell 7 to protect it.

[0020] Please refer to Figure 4 and Figure 5 The rotating component 12 shown in the figure includes a flat gear 13 that is fixedly connected to two sets of rotating shafts 10 respectively. The outer side of the flat gear 13 is meshed with a rack 14. A moving component 15 for driving the rack 14 to move is installed on the rack 14. Through the meshing and rotation of the rack 14 and the flat gear 13, the rotating shaft 10 can freely drive the protective plate 11 to rotate.

[0021] For further details, please refer to Figure 4 and Figure 5 The movable component 15 shown in the figure includes a fixed frame 16 fixedly connected to the protective shell 7. A telescopic rod 17 is fixedly connected to the fixed frame 16. A connecting block 18 fixedly connected to the end of the telescopic rod 17 is fixedly connected to the rack 14. The extension and retraction of the telescopic rod 17 causes the rack 14 to move back and forth, thereby driving the flat gear 13 to rotate forward and reverse.

[0022] The extension and retraction of the telescopic rod 17 drives the rack 14 to move back and forth. The back and forth movement of the rack 14 causes the spur gear 13 to rotate forward and backward. The forward and backward rotation of the spur gear 13 causes the rotating shaft 10 to drive the protective plate 11 to rotate forward and backward, thereby controlling the opening and closing of the bottom opening of the protective shell 7.

[0023] In the embodiments of this utility model, please refer to Figure 2 and Figure 3 The reinforcement component 9 shown in the figure includes a connecting sleeve 20 and a plug-in block 19 respectively fixed on the two sets of protective shells 7. The plug-in block 19 is adapted to the connecting sleeve 20, and both the plug-in block 19 and the connecting sleeve 20 are provided with corresponding connecting holes 21. A fixing post 22 is threaded into the connecting hole 21. An operating groove 23 is provided at the end of the fixing post 22. The design of the reinforcement component 9 enables the two sets of protective shells 7 to be tightly connected to the bottom of the electric hoist.

[0024] Please refer to Figure 2 and Figure 3 The operating groove 23 in the diagram is any one of the following: Phillips head, slotted head, and hexagonal head. The Phillips head, slotted head, and hexagonal head correspond to common screwdriver bits, thus facilitating operation.

[0025] For further details, please refer to Figure 2 and Figure 3 As shown in the figure, there are two sets of plug-in blocks 19 and connecting sleeves 20, which are respectively installed on both sides of the protective shell 7. The end of the plug-in block 19 is tapered, which makes the connection of the protective shell 7 more stable, and the tapered design makes it easy to insert the plug-in block 19 into the connecting sleeve 20.

[0026] During installation, insert the plug block 19 into the connecting sleeve 20, and then screw the fixing post 22 into the connecting hole 21. This process can be completed with a screwdriver.

[0027] In the implementation of this scheme, the first fixing clamp 1 and the second fixing clamp 2 are first sleeved on the outside of the electric hoist and fixed by fixing screws 5 and fixing nuts 6. During this process, it should be noted that the plug block 19 needs to be inserted into the connecting sleeve 20. Then, the fixing post 22 is screwed into the connecting hole 21 by the action of a screwdriver. Furthermore, the telescopic rod 17 is then activated to extend it. At this time, the rack 14 will move, which in turn drives the flat gear 13 to rotate. The rotation of the flat gear 13 causes the rotating shaft 10 to drive the protective plate 11 to rotate, which in turn opens the bottom opening of the protective shell 7. At this time, the lifting device can be used normally. Furthermore, when protecting the lifting device, the telescopic rod 17 retracts, causing the rack 14 to move in the opposite direction. At this time, the spur gear 13 will rotate in the opposite direction, which in turn causes the rotating shaft 10 to drive the protective plate 11 to rotate in the opposite direction, thereby closing the bottom opening of the protective shell 7. At this time, the lifting device is located in the protective shell 7, thus protecting it and preventing it from being damaged by collision.

[0028] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

[0030] This utility model discloses an anti-collision device for container gantry crane spreaders, relating to the field of crane spreader anti-collision. It includes a first fixed clamp and a second fixed clamp fitted onto the outside of an electric hoist. A fixed plate is fixedly connected to both the first and second fixed clamps. A protective shell is provided at the bottom of both the first and second fixed clamps, communicating with the cylindrical cavity formed by the first and second fixed clamps. A protective component is provided at the bottom of the protective shell. By providing the protective shell and protective component, this utility model allows the two sets of protective plates to be open during normal use, opening the bottom of both sets of protective shells. When the spreader is not in use, the movement of a moving component causes a rack to move, which in turn causes a flat gear to rotate a rotating shaft, thereby causing the protective plates to rotate and close the bottom opening of the protective shell. Therefore, it solves the problem in the prior art where spreaders without protective mechanisms are prone to collisions leading to damage and deformation.

Claims

1. A container gantry crane spreader anti-collision device, characterized in that, include: A first fixed clamp (1) and a second fixed clamp (2) are fitted on the outside of the electric hoist. When the first fixed clamp (1) and the second fixed clamp (2) are closed, the axial center is cylindrical and hollow. A fixed plate (3) is fixedly connected to both the first fixed clamp (1) and the second fixed clamp (2). An installation hole (4) is opened on the fixed plate (3). A fixing screw (5) is provided in the installation hole (4). A fixing nut (6) is threaded on the fixing screw (5). A protective shell (7) is provided at the bottom of both the first fixed clamp (1) and the second fixed clamp (2). The protective shell (7) is connected to the cylindrical cavity formed by the first fixed clamp (1) and the second fixed clamp (2). A protective component (8) is provided at the bottom of the protective shell (7). The protective component (8) is used to protect the hoist. A reinforcing component (9) is provided between the two sets of protective shells (7).

2. The anti-collision device for container gantry crane spreaders according to claim 1, characterized in that: The protective assembly (8) includes a rotating shaft (10) that is rotatably connected to the two sets of protective shells (7). A protective plate (11) is fixedly connected to the rotating shaft (10), and a rotating component (12) is installed on the rotating shaft (10). The rotating component (12) is used to drive the rotating shaft (10) to rotate, thereby causing the protective plate (11) to rotate. The rotation of the protective plate (11) enables the lifting device to be used normally and to protect it.

3. The anti-collision device for container gantry crane spreaders according to claim 2, characterized in that: The rotating component (12) includes a flat gear (13) fixedly connected to two sets of rotating shafts (10). The outer side of the flat gear (13) is meshed with a rack (14). A moving component (15) for driving the rack (14) to move is installed on the rack (14).

4. The anti-collision device for container gantry crane spreaders according to claim 3, characterized in that: The movable component (15) includes a fixed frame (16) fixedly connected to the protective shell (7), a telescopic rod (17) fixedly connected to the fixed frame (16), and a connecting block (18) fixedly connected to the end of the telescopic rod (17) and fixedly connected to the rack (14).

5. The anti-collision device for container gantry crane spreaders according to claim 4, characterized in that: The reinforcement component (9) includes a connecting sleeve (20) and a plug-in block (19) respectively fixed on the two sets of protective shells (7). The plug-in block (19) is adapted to the connecting sleeve (20), and the plug-in block (19) and the connecting sleeve (20) are provided with corresponding connecting holes (21). A fixing post (22) is threaded into the connecting hole (21), and an operating groove (23) is provided at the end of the fixing post (22).

6. The anti-collision device for container gantry crane spreaders according to claim 5, characterized in that: The operating groove (23) is any one of the following: cross groove, straight groove, and hexagonal groove.

7. The anti-collision device for container gantry crane spreaders according to claim 6, characterized in that: The plug-in block (19) and the connecting sleeve (20) are provided in two sets, and are respectively installed on both sides of the protective shell (7). The end of the plug-in block (19) is tapered.

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