A container handling safety anchor point device

Abstract

The utility model discloses a kind of container operation safety anchor point devices, belong to safety equipment field.Its technical scheme is, a kind of container operation safety anchor point device, including hanging pole and lock head, lock head includes lock head main body, lock head main body is L-shaped, including horizontal arm and vertical arm, the lower end of vertical arm is hinged with the upper end of hanging pole, the hinge shaft between vertical arm and hanging pole is parallel with horizontal arm, the outer circumferential surface of the end of horizontal arm far from vertical arm is equipped with lock tongue, lock tongue, horizontal arm and vertical arm are perpendicular two by two, the lower end of hanging pole is equipped with safety rope hanging point.In use, hold hanging pole, the horizontal arm of lock head is inserted into the lock hole in the side of upper container, then pull hanging pole down, make lock head rotate to vertical state, then lock tongue is hooked in lock hole, and is locked under the pulling of safety rope, this device can be carried by operator, along with the change of operating position, hang on higher container at any time, realize "high hanging low use", greatly improve the security of operation.

Description

Technical Field

[0001] This utility model relates to the field of safety equipment, and in particular to a safety anchor point device for container operations. Background Technology

[0002] In the port cargo distribution industry, standard containers are the main transport containers for goods. During transportation and stacking, the stacked containers need to be connected to each other as a whole, which is the container locking operation. Special locks are used to firmly fix the containers to the transport carrier (such as ships, railway freight cars, and road trucks) or storage area (such as yards and warehouses). During the operation, the locks need to be precisely inserted into the corner fitting holes at the bottom or corner of the container. By rotating and clamping, a rigid connection between the container and the transport carrier is achieved, ensuring that the container will not shift relative to the ship's hold, railway flatcar, or truck chassis. This method is widely used in long-distance and bumpy transportation scenarios such as sea and rail intermodal transport.

[0003] For containers that are stacked high, workers need to operate them from above. The current common practice is to use a container crane to grab a working platform, and then workers enter the platform and lean out to unlock the side lock holes of the container located below the platform.

[0004] During the above operation, the worker's safety belt was hung on the platform's guardrail. This method of attaching the safety belt does not meet the safety requirement of "high attachment, low use" for safety belts when working at heights. That is, the suspension point of the safety belt should be set in an area higher than the worker's working position, rather than the suspension point being lower than or level with the human body. Summary of the Invention

[0005] This invention addresses the problem that traditional platform operation methods cannot meet the safety requirements of "high attachment and low use" of safety belts during container locking, and provides a container operation safety anchor point device.

[0006] To solve the above problems, the technical solution adopted by this utility model is a container operation safety anchor point device, including a hanging rod and a lock head. The lock head includes a lock head body, which is L-shaped and includes a horizontal arm and a vertical arm. The lower end of the vertical arm is hinged to the upper end of the hanging rod. The hinge axis between the vertical arm and the hanging rod is parallel to the horizontal arm. A locking tongue is provided on the outer circumference of the end of the horizontal arm away from the vertical arm. The locking tongue, the horizontal arm, and the vertical arm are perpendicular to each other. A safety rope attachment point is provided at the lower end of the hanging rod. In use, the operator holds the hanging rod, inserts the horizontal arm of the lock head into the lock hole on the side of the upper container, and then pulls down the hanging rod to rotate the lock head to a vertical position. The locking tongue then hooks into the lock hole and locks under the pull of the safety rope. This device can be carried by the operator and can be attached to a higher container at any time as the operating position changes, realizing "high attachment, low use" and greatly improving the safety of operation.

[0007] As a preferred implementation of a container operation safety anchoring device, the outer periphery of the horizontal arm is further provided with a positioning block. The positioning block is located on the side of the horizontal arm facing away from the vertical arm, and its extension direction is parallel to the vertical arm. Along the length of the horizontal arm, the positioning block is located between the locking tongue and the vertical arm. When the horizontal arm is inserted into the container locking hole, the positioning block moves towards the outer wall of the locking hole. When the horizontal arm is inserted until the positioning block contacts the edge of the locking hole, the insertion stops and the hook rod is pulled down to rotate the locking head. After locking, the positioning block contacts the outer wall of the container.

[0008] As a preferred implementation of a container operation safety anchoring device, the positioning block is wedge-shaped, with the tip of the wedge positioned away from the crossarm. This allows the locking head a certain amount of swing space, improving the convenience of hooking operations, while also enabling limiting the movement even with a larger swing amplitude, thus ensuring safety.

[0009] As a preferred implementation of a container operation safety anchoring device, the upper end of the hanging rod is provided with a hinge seat. The hinge seat is U-shaped and includes two parallel wing plates and a connecting plate. The connecting plate is fixedly connected to the lower edges of the two wing plates. The upper end of the hanging rod is fixedly connected to the bottom surface of the connecting plate. The lower end of the vertical arm is hinged between the two wing plates. The lower end of the vertical arm is placed between the two wing plates of the U-shaped hinge seat, and the connection to the vertical arm is completed by passing the wing plates through the hinge shaft. When pulling down the hanging rod during use, the vertical arm can stably rotate between the two wing plates around the hinge shaft. The fixed connection between the connecting plate and the hanging rod enhances the connection strength between the hinge seat and the hanging rod, allowing it to withstand greater safety rope tension and improving the overall load-bearing capacity of the device.

[0010] As a preferred implementation of a container operation safety anchoring device, the side of the vertical arm is provided with a lock head limiting block, which can abut against the side edge of the connecting plate. Before hooking, the lock head limiting block keeps the hooking rod and the lock head at a certain angle, making it easier for the operator to determine the position of the locking tongue, and thus more conveniently and accurately aligning the locking tongue with the lock hole of the container.

[0011] As a preferred implementation of a container operation safety anchoring device, when the lock head limiting block abuts against the connecting plate, the vertical arm is perpendicular to the hanging rod. This aligns with the vertical elongated hole on the side of the container, ensuring the locking tongue is vertical during hooking, facilitating alignment between the locking tongue and the locking hole.

[0012] As a preferred implementation of a container operation safety anchoring device, the end of the vertical arm is flat and located between the two wing plates, and the vertical arm is connected to the two wing plates by a connecting pin. The cooperation between the flat end and the double wing plates increases the contact area between the vertical arm and the hinge seat, making the force distribution during rotation more uniform and reducing local wear; the connecting pin connection method is not only convenient to assemble and disassemble, but also has high connection strength, can effectively transmit tensile force, and facilitates the individual maintenance and replacement of device components, reducing overall maintenance costs.

[0013] As a preferred implementation of a container operation safety anchoring device, the edge of the locking tongue furthest from the cross arm is arc-shaped. This arc-shaped edge prevents sharp friction between the locking tongue and the locking hole, preventing scratches and deformation on the inner wall of the locking hole or the edge of the locking tongue, thus protecting the container's locking hole structure. Simultaneously, the sliding contact reduces rotational resistance, allowing operators to more easily complete the locking action, improving hook stability and preventing loosening due to improper contact points.

[0014] As a preferred implementation of a safety anchor point device for container operations, the safety rope attachment point is a ring structure with rounded corners on the inner circumference. The ring structure provides a 360° connection space for the safety rope hook, improving operational convenience during high-altitude operations. The rounded corners on the inner circumference prevent wear on the safety rope from the attachment point edge during pulling or rotation, preventing the safety rope from reducing its load-bearing capacity due to localized damage, extending its service life, and reducing safety risks caused by wear, further ensuring operator safety.

[0015] As can be seen from the above technical solutions, the beneficial effects of this utility model are that, through the cooperation of the L-shaped lock head, the rotatable vertical arm, and the locking tongue, the device achieves portability and "high-hanging, low-use," fundamentally improving the safety of container operations; the positioning block on the horizontal arm can not only accurately limit the insertion depth and prevent the locking tongue from failing, but also reduce the difficulty of alignment through wedge guidance, and provide swing space and limit protection, balancing convenience and safety; U The fit between the hinged seat and the flat vertical arm end, combined with the connecting pin connection, not only ensures stable lock head rotation and improves overall load-bearing capacity through double-wing plate limiting, but also increases the contact area to reduce local wear. It is also easy to disassemble and assemble, facilitating individual component repair and replacement, thus reducing maintenance costs. The lock head limiting block can fix the device angle before hooking, helping operators accurately align the lock hole. Its vertical angle, adapted to the container's vertical elongated hole, further enhances the convenience and accuracy of lock tongue alignment. The arc-shaped edge of the lock tongue avoids structural damage caused by sharp friction, reduces rotational resistance for easy locking, and ensures hooking stability. The ring-shaped safety rope attachment point with rounded corners provides 360° connection space, improving operational convenience, preventing safety rope wear, extending its service life, and reducing safety risks caused by wear, thus ensuring the safety and operational efficiency of container handling personnel. Attached Figure Description

[0016] To more clearly illustrate the technical solution of this utility model, the drawings used in the description will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a structural schematic diagram of a specific embodiment of the present utility model.

[0018] Figure 2 for Figure 1 Enlarged view of point A in the middle.

[0019] Figure 3 This is a schematic diagram of the state before hooking in a specific embodiment of this utility model.

[0020] Explanation of main figure symbols 1. Hanging rod, 11. Wing plate, 12. Connecting plate, 2. Lock body, 21. Horizontal arm, 22. Vertical arm, 3. Lock tongue, 4. Safety rope attachment point, 5. Positioning block, 6. Lock limit block, 7. Connecting pin. Detailed Implementation

[0021] To make the objectives, features, and advantages of this utility model more apparent and understandable, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the specific embodiments. Obviously, the embodiments described below are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this patent, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this patent.

[0022] As shown in Figures 1-3, a container operation safety anchoring device includes a hook rod 1 and a lock head. The lock head includes a lock head body 2, which is L-shaped and includes a horizontal arm 21 and a vertical arm 22. The lower end of the vertical arm 22 is hinged to the upper end of the hook rod 1. Specifically, the outer circumference of the horizontal arm 21 is provided with a positioning block 5. This positioning block 5 can accurately limit the depth of the horizontal arm inserted into the lock hole, preventing the lock tongue from failing to hook. At the same time, the positioning block 5 is wedge-shaped, and the tip of the wedge is set away from the horizontal arm 21. The wedge structure can provide a certain swing space and reduce the difficulty of hook alignment. It can also achieve limit when the swing amplitude is large, taking into account both operation convenience and safety. The positioning block 5 is located on the side of the horizontal arm 21 facing away from the vertical arm 22. The extension direction of the positioning block 5 is parallel to the vertical arm 22 and along the length direction of the horizontal arm 21. The positioning block 5 is located between the lock tongue 3 and the vertical arm 22. Between them, the end of the vertical arm 22 is flat and located between the two wing plates 11. The vertical arm 22 and the two wing plates 11 are connected by a connecting pin 7. The cooperation between the flat end and the double wing plates can increase the contact area between the vertical arm and the hinge seat, so that the rotation force is more uniform and local wear is reduced. The connecting pin connection method is convenient to disassemble and assemble, has high connection strength, can effectively transmit tensile force, and also facilitates the individual repair and replacement of components to reduce maintenance costs. The hinge axis between the vertical arm 22 and the hanging rod 1 is parallel to the horizontal arm 21. A locking tongue 3 is provided on the outer circumference of the end of the horizontal arm 21 away from the vertical arm 22. The edge of the locking tongue 3 away from the horizontal arm 21 is arc-shaped. This arc-shaped edge avoids sharp friction between the locking tongue and the lock hole, preventing scratches and deformation to protect the container lock hole structure. It also reduces rotational resistance, allowing operators to more easily complete the locking action and ensuring hook stability. The locking tongue 3, the horizontal arm 21, and the vertical arm 22 are perpendicular to each other. A safety rope attachment point 4 is provided at the lower end of the hanging rod 1. The safety rope attachment point 4 is a ring structure, providing 360° connection space and improving the convenience of high-altitude operations. Furthermore, the inner circumference of the ring has rounded corners, preventing the safety rope from being worn by the edge of the attachment point during pulling or rotation. This prevents the safety rope from reducing its load-bearing capacity due to localized damage, extends its service life, and reduces safety risks caused by wear. The upper end of the hanging rod 1 is provided with a hinge seat, which is U-shaped and includes two parallel wing plates 11 and a connecting plate 12. The connecting plate 12 is fixedly connected to the lower edges of the two wing plates 11, and the upper end of the hanging rod 1 is fixedly connected to the bottom surface of the connecting plate 12. This fixed connection method can enhance the connection strength between the hinge seat and the hanging rod, enabling it to withstand greater safety rope pulling force and improve the overall load-bearing performance of the device. The lower end of the vertical arm 22 is hinged between the two wing plates 11. The double wing plate structure can limit the vertical arm, ensuring stable rotation of the lock head and preventing deviation. The vertical arm 22 is provided with a lock head limiting block 6 on its side. The lock head limiting block 6 can abut against the side edge of the connecting plate 12. Before hooking, the limiting block can be used to keep the hook rod and the lock head at a specific angle, which helps the operator to accurately determine the position of the lock tongue and make it easy to accurately align the lock tongue with the container lock hole. When the lock head limiting block 6 abuts against the connecting plate 12, the vertical arm 22 is perpendicular to the hook rod 1. This vertical angle is adapted to the vertical elongated hole on the side of the container, so that the lock tongue is in a vertical state when hooking, which further improves the convenience and accuracy of aligning the lock tongue with the lock hole.

[0023] As can be seen from the above embodiments, the advantages of this utility model are as follows: The L-shaped lock head, the rotatable vertical arm, and the locking tongue work together to achieve portability and "high-hanging, low-use" operation, improving operational safety; the horizontal arm positioning block can accurately limit the insertion depth to prevent locking tongue failure, and its wedge-shaped structure can also reduce the difficulty of alignment through guidance, and provide swing space and limit protection, taking into account both operational convenience and safety; the U-shaped hinge seat, combined with the flat vertical arm end and connecting pin, not only ensures the stability of the lock head rotation and improves the overall load-bearing capacity through double wing plate limitation, but also increases the contact area to reduce local wear, while having the advantages of convenient disassembly and assembly and easy maintenance, effectively reducing maintenance costs; the lock head limiting block can fix the device angle before hooking, helping the operator to accurately align the lock hole, and the vertical angle of the vertical arm and the hanging rod is adapted to the long hole of the container, further improving the convenience and accuracy of alignment; the arc-shaped locking tongue can avoid structural damage caused by sharp friction, reduce rotational resistance to easily complete locking, and ensure hooking stability; the ring-shaped safety rope attachment point with rounded corners provides 360° The connection space not only improves the ease of operation, but also prevents the safety rope from wearing out, extends its service life, reduces safety risks caused by wear, and comprehensively protects the safety of workers and the efficiency of work. The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A container operation safety anchor point device, characterized in that, The device includes a hanging rod (1) and a lock head. The lock head includes a lock head body (2), which is L-shaped and includes a horizontal arm (21) and a vertical arm (22). The lower end of the vertical arm (22) is hinged to the upper end of the hanging rod (1). The hinge axis between the vertical arm (22) and the hanging rod (1) is parallel to the horizontal arm (21). A latch (3) is provided on the outer circumference of the end of the horizontal arm (21) away from the vertical arm (22). The latch (3), the horizontal arm (21), and the vertical arm (22) are perpendicular to each other. A safety rope attachment point (4) is provided at the lower end of the hanging rod (1).

2. The container operation safety anchor point device according to claim 1, characterized in that, The outer periphery of the horizontal arm (21) is also provided with a positioning block (5). The positioning block (5) is located on the side of the horizontal arm (21) facing away from the vertical arm (22). The extension direction of the positioning block (5) is parallel to the vertical arm (22). Along the length direction of the horizontal arm (21), the positioning block (5) is located between the locking tongue (3) and the vertical arm (22).

3. The container operation safety anchor point device according to claim 2, characterized in that, The positioning block (5) is wedge-shaped, and the tip of the wedge is positioned away from the cross arm (21).

4. The container operation safety anchor point device according to claim 1, characterized in that, The upper end of the hanging rod (1) is provided with a hinge seat. The hinge seat is U-shaped and includes two parallel wing plates (11) and a connecting plate (12). The connecting plate (12) is fixedly connected to the lower edge of the two wing plates (11). The upper end of the hanging rod (1) is fixedly connected to the bottom surface of the connecting plate (12). The lower end of the vertical arm (22) is hinged between the two wing plates (11).

5. The container operation safety anchor point device according to claim 4, characterized in that, The side of the vertical arm (22) is provided with a lock head limiting block (6), which can abut against the side edge of the connecting plate (12).

6. The container operation safety anchor point device according to claim 5, characterized in that, When the lock head limiting block (6) abuts against the connecting plate (12), the vertical arm (22) is perpendicular to the hanging rod (1).

7. The container operation safety anchor point device according to claim 4, characterized in that, The end of the vertical arm (22) is flat and located between the two wing plates (11). The vertical arm (22) is connected to the two wing plates (11) by a connecting pin (7).

8. The container operation safety anchor point device according to claim 1, characterized in that, The edge of the latch (3) away from the cross arm (21) is arc-shaped.

9. The container operation safety anchor point device according to claim 1, characterized in that, The safety rope attachment point (4) is a ring structure, and the inner circumference of the ring has rounded corners.

Images