Safety protection device for container opening
By using a safety protection device for container opening, which employs components such as rope clamps, tensioning components, and anti-detachment safety hooks to lock the container door, the safety risks posed to workers by the container door rebounding are eliminated, enabling a fast and safe unloading process.
Patent Information
- Application Number
- CN202422646242.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-10-31
AI Technical Summary
During the handling of containerized bulk cargo at ports, workers face safety risks due to container doors rebounding, and existing technologies cannot effectively protect against this.
The container opening safety protection device includes a rope clamp, tensioning component, anti-derailment safety hook and safety wire rope. The combination of these components locks the container door and prevents it from rebounding, ensuring operational safety.
It effectively prevents container doors from rebounding, avoids collisions with workers, ensures simple and quick operation, guarantees that unloading efficiency is not reduced, and avoids safety accidents.
Smart Images
Figure CN223575213U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the container opening technical field, especially the safety device of container opening. BACKGROUND
[0002] The port gathering mode changes from the traditional motor road transportation to the railway box transportation, and the proportion of traditional bulk cargo transferred by containers increases significantly. With the significant increase of containers (bulk cargo), especially the poor liquidity of power coal, the traditional opening door of the container is mainly relied on the flexible position of the worker to avoid the rebound of the door during the unloading process in the port. The safety of the worker cannot be guaranteed, and a safety device needs to be developed to protect the worker from being injured by the door during the opening process. CONTENT OF THE UTILITY MODEL
[0003] Therefore, the utility model aims to provide a safety device for container opening to solve at least one technical problem in the background art.
[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:
[0005] The safety device for container opening comprises a rope clamping device, a tensioning assembly, an anti-dropping safety hook, and a safety steel wire rope.
[0006] The rope clamping device is connected with the tensioning assembly through a first connecting steel wire rope,
[0007] One end of the safety steel wire rope is connected with the tensioning assembly through a safety iron chain, and the other end is sequentially inserted into the bottom insertion hole of the container on both sides, wound in front of the container door, and then connected with the rope clamping device; the anti-dropping safety hook is connected with the handle of the container through the safety steel wire rope.
[0008] Further, the safety iron chain is connected with the tensioning assembly through a second connecting steel wire rope. The safety iron chain is made of low-carbon alloy steel. One end of the safety iron chain is connected with the tensioning assembly through the second connecting steel wire rope, and the other end is connected with the safety steel wire rope and inserted into the bottom insertion hole of the container to realize the rear end fixation and safe steering.
[0009] Further, the tensioning assembly comprises a shell, a first rotating rod, a ratchet wheel, a base, a first pawl, a second pawl, and a wire feeding and winding tooth.
[0010] Both ends of the first rotating rod are rotatably arranged on the shell. The ratchet wheel and the wire feeding and winding tooth are installed on the first rotating rod, and the ratchet wheel and the wire feeding and winding tooth can rotate with the first rotating rod.
[0011] The base is arranged inside the shell and below the ratchet wheel.
[0012] The first pawl and the second pawl are symmetrically installed on two sides of the base through the first spring and the second spring, and the bottom of the first pawl and the second pawl is rotationally connected with the base.
[0013] The first pawl or the second pawl can cooperate with the spring to make the ratchet wheel move in one direction, and the end of the first pawl and the second pawl corresponds to the ratchet wheel.
[0014] Further, a second rotating rod is rotationally arranged on the shell, a reversing plate is arranged on the second rotating rod, the reversing plate can rotate with the second rotating rod, and the reversing plate can make the first pawl or the second pawl move away from the ratchet wheel, so that the first ratchet wheel or the second ratchet wheel does not interfere with the movement of the ratchet wheel.
[0015] Further, one end of the second rotating rod extends to the outside of the shell, and a first operation handle is arranged on the second rotating rod, so that the operator can make the second rotating rod rotate by rotating the first operation handle.
[0016] The first operation handle and the end of the reversing plate are connected with the second rotating rod, and the first operation handle is on the same straight line with the other end of the second rotating rod, so that the position of the reversing plate can be known by observing the first operation handle.
[0017] Further, the base is U-shaped, and the first pawl and the second pawl are arranged on the inner walls of the two ends of the base through the first spring and the second spring.
[0018] Further, the end of the first rotating rod extends to the outside of the shell, and a second operation handle is arranged on the end of the first rotating rod, so that the operator can make the first rotating rod rotate by rotating the second operation handle.
[0019] The safety steel wire rope is composed of steel wires and a core, a plurality of steel wires are twisted into strands, and a certain number of strands are twisted around the core into a spiral rope to provide tension, which has the characteristics of high strength, light weight, reliable work and not easy to break.
[0020] The rope clamp is used to clamp the rope, and the rope clamp is a special tool for holding the wire (rope), which is made of high-strength aluminum alloy material and has significant structural strength and durability, and has the characteristics of quick clamping and loosening of the rope.
[0021] The lengths of the first operation handle and the second operation handle extending to the outside of the shell are different, and the movements of the first operation handle and the second operation handle do not interfere with each other.
[0022] Further, one side of the shell is open, and the other side is provided with a mounting block, the first rotating rod is rotationally arranged on the front and rear sides of the shell, and the base is arranged at the bottom of the shell. A through hole is arranged on the mounting block, the first connecting steel wire rope is connected with the tensioning assembly through the through hole, and the other end of the first connecting steel wire rope is connected with the rope clamp.
[0023] Compared with the prior art, the safety protection device for opening the container has the following advantages:
[0024] The safety locking device is used by the worker to lock the container rear door, prevent the container door handle from rebounding after being opened, avoid the safety risk caused by the impact on the worker, has the functions of simple operation, short time, quick assembly and quick release, ensures the unloading efficiency, and can effectively avoid the occurrence of safety accidents. BRIEF DESCRIPTION OF DRAWINGS
[0025] The accompanying drawings, which form a part of this application, are intended to provide further understanding of the application and are incorporated herein for explanation by way of the non-limiting illustrations of the application. The illustrative embodiments of the application and their description serve to explain the application without limiting the application. In the drawings:
[0026] Figure 1 The overall schematic view of the safety protection device for opening the container according to the embodiment of the application is shown in the figure;
[0027] Figure 2 The schematic view of the tensioning assembly according to the embodiment of the application is shown in the figure;
[0028] Figure 3 The schematic view of the first rotating rod according to the embodiment of the application is shown in the figure;
[0029] Figure 4 The schematic view of the first operating handle or the second operating handle according to the embodiment of the application is shown in the figure;
[0030] Figure 5 The schematic view of the safety protection device for opening the container according to the embodiment of the application is shown in the figure.
[0031] BRIEF DESCRIPTION OF DRAWINGS
[0032] 1, rope clamp; 2, tensioning assembly; 3, anti-dropping safety hook; 4, safety steel wire rope; 5, first connecting steel wire rope; 6, second connecting steel wire rope; 7, housing; 8, first rotating rod; 9, ratchet; 10, base; 11, first pawl; 12, second pawl; 13, pay-off and take-up tooth; 14, first spring; 15, second spring; 16, second rotating rod; 17, reversing plate; 18, first operating handle; 19, second operating handle; 20, safety iron chain; 21, mounting block; 22, through hole. DETAILED DESCRIPTION
[0033] It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other without conflict.
[0034] The application will be described in detail below with reference to the accompanying drawings and embodiments.
[0035] As Figures 1 to 5 shown, the security protection device for container opening includes a rope clamping device 1, a tensioning assembly 2, a safety hook 3, and a safety wire 4. The rope clamping device 1 is connected to the tensioning assembly 2 through a first connecting wire 5. One end of the safety wire 4 is connected to the tensioning assembly 2 through a safety chain 20, and the other end is sequentially threaded through the bottom insertion holes of the containers on both sides, wound to the front of the container door, and then connected to the rope clamping device 1. The safety hook 3 hooks and connects the safety wire 4 and the handle of the container.
[0036] The safety chain 20 is connected to the tensioning assembly 2 through a second connecting wire 6. The safety chain 20 is made of low-carbon alloy steel. One end is connected to the tensioning assembly 2 through the second connecting wire 6, and the other end is connected to the safety wire 4 and threaded into the bottom insertion hole of the container to achieve rear-end fixation and safe steering.
[0037] The tensioning assembly 2 includes a housing 7, a first rotating rod 8, a ratchet wheel 9, a base 10, a first pawl 11, a second pawl 12, and a wire feeding and winding tooth 13. The first rotating rod 8 is rotatably arranged at both ends of the housing 7. The ratchet wheel 9 and the wire feeding and winding tooth 13 are installed on the first rotating rod 8, and can rotate with the first rotating rod 8. The base 10 is arranged inside the housing 7 and below the ratchet wheel 9. The first pawl 11 and the second pawl 12 are symmetrically installed on both sides of the base 10 through a first spring 14 and a second spring 15, respectively. The bottom of the first pawl 11 and the second pawl 12 is rotatably connected to the base 10. The first pawl 11 or the second pawl 12 can cooperate with the spring to make the ratchet wheel 9 move in one direction. The end of the first pawl 11 and the second pawl 12 corresponds to the ratchet wheel 9.
[0038] A second rotating rod 16 is rotatably arranged on the housing 7. A reversing plate 17 is installed on the second rotating rod 16. The reversing plate 17 can rotate with the second rotating rod 16. The reversing plate 17 can make the first pawl 11 or the second pawl 12 away from the ratchet wheel 9, so that the first ratchet wheel 9 or the second ratchet wheel 9 does not interfere with the movement of the ratchet wheel 9. One end of the second rotating rod 16 extends to the outside of the housing 7, and a first operation handle 18 is arranged on the second rotating rod 16. The operator can rotate the second rotating rod 16 by rotating the first operation handle 18.
[0039] The end of the first operation handle 18 and the reversing plate 17 is connected to the second rotating rod 16. The other end of the first operation handle 18 and the second rotating rod 16 is on the same straight line. The position of the reversing plate 17 can be known by observing the first operation handle 18.
[0040] The base 10 is U-shaped. The first pawl 11 and the second pawl 12 are installed on the inner walls of both ends of the base 10 through the first spring 14 and the second spring 15, respectively.
[0041] The end of the first rotating rod 8 extends to the outside of the shell 7, and the end of the first rotating rod 8 is provided with a second operating handle 19. An operator can rotate the first rotating rod 8 by rotating the second operating handle 19.
[0042] The safety steel wire rope 4 is composed of steel wires and a core. A plurality of steel wires are twisted into strands, and then a certain number of strands are twisted around the core to form a spiral rope to provide tension. The safety steel wire rope 4 has the characteristics of high strength, light weight, reliable operation, and not easy to break.
[0043] The present application uses a rope clamp 1 to clamp the rope. The rope clamp 1 is a special tool for holding the wire (rope). It is made of high-strength aluminum alloy material and has significant structural strength and durability. It has the characteristics of quick clamping and loosening of the rope. The rope clamp 1 is prior art, and the rope clamp 1 is a steel wire rope clamp 1, model JX0.5.
[0044] The anti-drop safety hook 3 is prior art, and the model of the anti-drop safety hook 3 is 322A / CG80. The safety steel wire rope 4 is ensured to be in the required position.
[0045] The lengths of the first operating handle 18 and the second operating handle 19 extending to the outside of the shell 7 are different, and the movements of the first operating handle 18 and the second operating handle 19 do not interfere with each other. One side of the shell 7 is open, and the other side is provided with a mounting block 21. The first rotating rod 8 is rotatably arranged on the front and rear sides of the shell 7, and the base 10 is arranged at the bottom of the shell 7. The mounting block 21 is provided with a through hole 22. The first connecting steel wire rope 5 is connected with the tensioning assembly 2 through the through hole 22, and the other end of the first connecting steel wire rope 5 is connected with the rope clamp 1.
[0046] The first operating handle 18 or the second operating handle 19 is made of low-carbon alloy steel material, which is used for rotating operation in narrow space. Through the switch, clockwise and counterclockwise rotation can be realized, which is fast and labor-saving. It has the characteristics of strong applicability, convenient use and low cost.
[0047] In specific implementation, before starting work, the rope clamp 1, the second connecting steel wire rope 6, the tensioning assembly 2, the first connecting steel wire rope 5, the safety iron chain 20, and the safety steel wire rope 4 are connected, and the anti-drop safety hook 3 is carried by the operator to the work point.
[0048] When starting work, after the truck carrying the container arrives at the unloading site, one worker inserts one end of the safety steel wire rope 4 from the hole at the bottom of the container (for containers with holes at the bottom), and another worker leads the other end of the steel wire rope from the opposite side of the container, hooks the anti-drop safety hook 3 with the handle hook of the container (the container rear door is provided with a handle hook), and then inserts the steel wire rope into the rope clamp 1 along the container,
[0049] Using the first operating handle 18, the reversing plate 17 is on one side of the second pawl 12, at this time the second pawl 12 does not affect the movement of the ratchet wheel 9, the first pawl 11 cooperates with the ratchet wheel 9, so that the ratchet wheel 9 can move clockwise, as shown in Figure 2
[0050] The operator rotates the second operating handle 19, and after the container handle and the lock catch are opened by the worker, the safety wire rope 4 is tightened to the required tension,
[0051] The first operating handle 18 drives the reversing plate 17 to rotate to abut against the first pawl 11, at this time the first pawl 11 does not affect the movement of the ratchet wheel 9, the worker reversely rotates the second operating handle 19 to realize the safe loosening of the wire rope, when loosening to a certain extent, the piece clamp rope device 1 is loosened, the wire rope is separated from the clamp rope device 1, the whole set of unloading safety device is removed to a safe area by the worker, and the unloading door operation is completed.
[0052] The above only describes the preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A safety protection device for opening a container, characterized in that: Includes rope catcher, tensioning assembly, anti-derailment safety hook, and safety wire rope; The rope clamp is connected to the tensioning assembly via the first connecting steel wire rope. One end of the safety wire rope is connected to the tensioning component via a safety chain, and the other end passes through the bottom holes of the container on both sides, goes around to the front of the container door, and is then connected to the rope clamp; the anti-derailment safety hook connects the safety wire rope to the handle hook of the container. The safety chain is connected to the tensioning assembly via a second connecting steel wire rope. The tensioning assembly includes a housing, a first rotating rod, a ratchet, a base, a first pawl, a second pawl, and wire feeding and take-up teeth; The two ends of the first rotating rod are rotatably mounted on the housing. The ratchet and the wire feeding and taking-up teeth are mounted on the first rotating rod, and the ratchet and the wire feeding and taking-up teeth can rotate with the first rotating rod. The base is located inside the housing and below the ratchet; The first pawl and the second pawl are symmetrically mounted on both sides of the base via the first spring and the second spring, respectively, and the bottoms of the first pawl and the second pawl are rotatably connected to the base.
2. The safety protection device for opening containers according to claim 1, characterized in that: A second rotating rod is rotatably mounted on the housing, and a reversing plate is installed on the second rotating rod. The reversing plate can rotate with the second rotating rod.
3. The safety protection device for opening containers according to claim 2, characterized in that: One end of the second rotating rod extends outside the housing, and the second rotating rod is provided with a first operating handle; The first operating handle and the end of the reversing plate are connected to the second rotating rod.
4. The safety protection device for opening containers according to claim 1, characterized in that: The base is U-shaped, and the first pawl and the second pawl are mounted on the inner walls at both ends of the base by the first spring and the second spring, respectively.
5. The safety protection device for opening containers according to claim 1, characterized in that: The end of the first rotating rod extends outside the housing, and the end of the first rotating rod is provided with a second operating handle.
6. The safety protection device for opening containers according to claim 1, characterized in that: The housing has an opening on one side and a mounting block on the other side. The first rotating rod is rotatably mounted on the front and rear sides of the housing, and the base is located at the bottom of the housing. The mounting block has a through hole, through which the first connecting steel wire rope is connected to the tensioning assembly. The other end of the first connecting steel wire rope is connected to the rope clamp.