Safety anti-falling device of lifting appliance for harbor mechanical equipment
By incorporating a combination of a telescopic rod and a spring limit block at the end of the lifting hook, along with a clamping block design within the lifting ring, the problems of lifting slippage and center of gravity shift are solved, thus achieving the stability of the lifting device and the protection of connecting components.
Patent Information
- Application Number
- CN202423313149.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing safety anti-detachment devices for lifting slings are prone to slippage, vibration, or jamming on the hook, causing the center of gravity to shift and preventing them from working properly.
A telescopic rod is installed at the end of the hook, which works with a spring and a limiting block. The output end of the telescopic rod slides within the limiting frame by tilting the limiting block. A clamping frame and a locking block groove are installed inside the lifting ring to prevent the lifting device from slipping.
It effectively prevents the lifting gear from slipping on the hook, reduces center of gravity shift, improves the stability of the device, and prevents the connection between the telescopic rod and the hook from breaking.
Smart Images

Figure CN223592241U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hoist anti -drop technical field, especially in port mechanical equipment is with hoist safety anti -drop device of lifting. BACKGROUND
[0002] The existing hoist safety anti -drop device will adopt the setting slidable card bar, make the card bar end part enter the inside of the limiting part, limit the card bar activity, make the card bar realize the anti -drop to the hoist, but the hoist is easy to produce the slip tremor on the hook, or appear the card stagnation condition, the gravity center of the device is offset, cannot normally work, such as the patent publication of the plug -in type hook anti -drop device, its application number is: CN202121037215.2, it is through the hoist is hung on the hook, and then through the handle drives the card bar to insert the inside of the hollow steel pipe, subsequently the card bar is along the inside of the hollow steel pipe and moves down, until the card bar and the arc -shaped limiting rod are connected, to complete the anti -drop measure to the hoist, but the hoist is easy to produce the slip tremor on the hook, or appear the card stagnation condition, the gravity center is influenced, cannot normally work. SUMMARY
[0003] The utility model discloses the purpose is in at least one of the technical problems of prior art, provide a kind of hoist safety anti -drop device of lifting of port mechanical equipment, setting telescopic rod is in the end of hook, make telescopic rod output end insert the inside of the limiting frame on the surface of hook, cooperate spring and limiting block, and the surface of limiting block is obliquely set, make telescopic rod output end can be against limiting block and slide in the inside of limiting frame, telescopic rod is extended certain length, limiting block will be inserted into the limiting slot of telescopic rod output end due to spring reset, limit the activity of telescopic rod, prevent the fracture of the connecting portion of telescopic rod and hook, setting there is a lifting ring on the surface of hook, rotatingly setting clamping frame is in the inside of lifting ring, and setting card block and card slot is respectively in the both sides of clamping frame, can make clamping frame hold hoist, prevent hoist and produce slip on the surface of hook, cause gravity center to offset and influence device use.
[0004] The utility model discloses still provide with above -mentioned port machinery equipment is with hoisting sling safety anti -drop device, include: the lifting rope, the lifting rope bottom fixedly connected with the hook frame, the hook frame inside fixedly connected with the hook, the hook end fixedly connected with telescopic link, the telescopic link output end is equipped with the limit slot, the hook side surface fixedly connected with the limit frame, the limit frame inboard wall fixedly connected with the spring, the limit frame inside slide connection limit block, the lifting ring, the lifting ring inside rotationally connected with the clamping frame, the clamping frame bottom is provided with the clamping block, the clamping frame bottom is equipped with the clamping groove, the clamping frame inboard wall is provided with the sling. Through above-mentioned parts, the telescopic link is inserted into the limit frame inside the hook surface, cooperates the spring and limit block, and will be limit block surface tilt setting, makes telescopic link output end can be against limit block in limit frame inside sliding, telescopic link stretches out certain length, and limit block will be inserted into the limit slot inside telescopic link output end because of spring reset, limit the activity of telescopic link, prevent telescopic link and the fracture of hook connection, and the lifting ring is provided on the hook surface, and the clamping frame is rotatably arranged in the lifting ring, and the clamping block and the clamping groove are provided on the both sides of clamping frame respectively, can make clamping frame hold the sling, prevent the sling from slipping on the hook surface, cause the gravity center to deviate and affect the device use.
[0005] According to the port machinery equipment hoisting sling safety anti-drop device, the telescopic link output end is located in the limit frame.
[0006] According to the port machinery equipment hoisting sling safety anti-drop device, the limit block side surface is fixedly connected with the spring away from the limit frame one end, and the limit block is located in the limit slot.
[0007] According to the port machinery equipment hoisting sling safety anti-drop device, the limit block side surface is fixedly connected with the spring away from the limit frame one end, and the limit block is located in the limit slot.
[0008] According to the port machinery equipment hoisting sling safety anti-drop device, the limit block side surface is fixedly connected with the spring away from the limit frame one end, and the limit block is located in the limit slot.
[0009] The utility model relates to a hoist safety anti -drop device for hoisting of port mechanical equipment, the gasket is fixedly connected with the inside wall of the clamping frame, and the clamping frame is provided with a clamping frame on the two sides of the clamping frame bottom end.
[0010] The utility model relates to a hoist safety anti -drop device for hoisting of port mechanical equipment, and the clamping frame bottom end clamping block of two is located in the other's bottom end clamping groove inside, makes two clamping frames mutually inlay, and the hoist is clamped to prevent the hoist from deviating.
[0011] The utility model relates to a hoist safety anti -drop device for hoisting of port mechanical equipment, and the inside wall of the hook is provided with a pattern, increases the friction of hoist and hook, prevents the hoist from deviating.
[0012] Beneficial effects:
[0013] Compared with the prior art, the utility model discloses that the telescopic rod is arranged at the hook end, makes the telescopic rod output end insert the limiting frame inside the hook surface, cooperates spring and limiting block, and the surface of limiting block is inclined to set, makes the telescopic rod output end can slide against the limiting block in the limiting frame, and when the telescopic rod stretches a certain length, the limiting block will be inserted into the limiting slot of the telescopic rod output end due to spring reset, and the activity of the telescopic rod is limited, prevents the fracture of the connecting place of telescopic rod and hook, and the lifting ring is arranged on the hook surface, the clamping frame is rotatably arranged in the lifting ring, and the clamping block and the clamping groove are arranged on the two sides of the clamping frame respectively, can make the hoist of clamping frame clamping, prevents the hoist from slipping on the hook surface, causes the gravity deviation and influences the use of device. BRIEF DESCRIPTION OF DRAWINGS
[0014] The utility model is further explained in connection with the drawings and examples;
[0015] Figure 1 It is whole structure schematic diagram of the utility model port mechanical equipment hoist safety anti -drop device;
[0016] Figure 2 It is the front cross section structure schematic diagram of the utility model port mechanical equipment hoist safety anti -drop device;
[0017] Figure 3 It is the side cross section structure schematic diagram of the utility model port mechanical equipment hoist safety anti -drop device;
[0018] Figure 4 It is the Figure 3 Structure schematic diagram of the utility model port mechanical equipment hoist safety anti -drop device in A place.
[0019] Legend:
[0020] 1, rope; 2, hook frame; 3, hook; 4, telescopic rod; 5, limiting groove; 6, limiting frame; 7, spring; 8, limiting block; 9, lifting ring; 10, clamping frame; 11, clamping block; 12, clamping groove; 13, lifting device; 14, gasket; 15, pattern. DETAILED DESCRIPTION
[0021] This part will describe the specific embodiments of the present application in detail, the preferred embodiments of the present application are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the present application, but it cannot be understood as a limitation on the protection scope of the present application.
[0022] Reference Figures 1-4 , the utility model discloses a kind of hoisting lifting device safety anti-falling device for port machinery equipment, comprising: rope 1, hook 3 is connected with hoisting device, rope 1 bottom end is fixedly connected with hook frame 2, it is convenient to install hook 3, rope 1 has two and is located at the both sides of hook frame 2, increase hoisting stability, hook frame 2 is fixedly connected with hook 3 in inside, hoist 13 is hoisted, pattern 15 is arranged on the inner wall of hook 3, increase the friction of the surface of hook 3 to prevent hoist 13 from slipping, telescopic rod 4 is fixedly connected at the end of hook 3, the opening of hook 3 is closed to prevent hoist 13 from falling off, limiting groove 5 is arranged at the output end of telescopic rod 4, the movement of telescopic rod 4 is limited by cooperating with limiting block 8, telescopic rod 4 is prevented from retracting, limiting frame 6 is fixedly connected to the side surface of hook 3, and the movement of telescopic rod 4 is limited to prevent telescopic rod 4 from breaking, the output end of telescopic rod 4 is located in the inside of limiting frame 6, limiting frame 6 is located at the top end of hook 3, spring 7 is fixedly connected to the inner wall of limiting frame 6, the reset of limiting block 8 is realized, limiting block 8 is slidably connected in the inside of limiting frame 6, and telescopic rod 4 is prevented from retracting by cooperating with limiting groove 5, the side surface of limiting block 8 is fixedly connected with the end of spring 7 away from limiting frame 6, so that spring 7 can press limiting block 8 into the inside of limiting groove 5, limiting block 8 is located in the inside of limiting groove 5, the side surface of limiting block 8 is inclinedly arranged, so that limiting block 8 can be pressed in the inside of limiting frame 6 by telescopic rod 4 extending and sliding;
[0023] The hanging ring 9 is provided with two and is located at the bottom end of the hook 3, clamps the lifting appliance 13 from both sides, and increases the stability of the lifting appliance 13. The hanging ring 9 is rotatably connected with the clamping frame 10 inside, clamps the lifting appliance 13, and the inner side wall of the clamping frame 10 is fixedly connected with the gasket 14, which reduces the vibration and increases the stability of the lifting appliance 13. The clamping frame 10 is provided with the clamping block 11 at the bottom end, cooperates with the clamping groove 12 to limit the movement of the clamping frame 10, and the clamping groove 12 is arranged at the bottom end of the clamping frame 10. The clamping block 11 and the clamping groove 12 are respectively located at the bottom end of the clamping frame 10 on both sides, and the clamping block 11 at the bottom end of the clamping frame 10 is located in the clamping groove 12 at the bottom end of the other clamping frame 10, so that the clamping frame 10 is limited to move to each other. The lifting appliance 13 is arranged on the inner side wall of the clamping frame 10, and the goods that need to be lifted.
[0024] Working principle: in the process of using the device, the retractable rod 4 is retracted to hang the lifting appliance 13 in the hook 3 through the opening of the hook 3, and the retractable rod 4 is extended to insert the output end into the limiting frame 6, so that the lifting appliance 13 is prevented from falling off. The surface of the hook 3 is provided with the pattern 15 to increase the friction between the hook 3 and the lifting appliance 13, prevent the lifting appliance 13 from deviating, make the output end of the retractable rod 4 press the inclined surface of the limiting block 8, and make the limiting block 8 slide in the limiting frame 6 under the elastic force of the spring 7. When the retractable rod 4 is completely extended, the limiting block 8 is reset under the elastic force of the spring 7, so that the limiting block 8 extends into the limiting groove 5 of the output end of the retractable rod 4, the limiting groove 5 limits the retractable rod 4 from retracting, and the limiting frame 6 prevents the retractable rod 4 from moving, so that the connection between the retractable rod 4 and the hook 3 is prevented from being broken. The clamping frame 10 is rotated in the hanging ring 9, the clamping block 11 at the bottom end of the clamping frame 10 is inserted into the clamping groove 12, the clamping frame 10 clamps the lifting appliance 13 from both sides, the lifting appliance 13 is prevented from deviating, the use of the device is affected, and the gasket 14 is arranged on the inner side wall of the clamping frame 10 to reduce the vibration and prevent the device from being damaged.
[0025] The above describes the embodiments of the utility model in detail in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of ordinary skilled in the art without departing from the purpose of the utility model.
Claims
1. A safety anti-drop device for a lifting sling of a port machinery equipment, characterized in that, Include: The lifting rope (1) is fixedly connected with the hook frame (2) at the bottom end, the hook frame (2) is fixedly connected with the hook (3) inside, the hook (3) is fixedly connected with the telescopic rod (4) at the end, the telescopic rod (4) is provided with a limiting groove (5) at the output end, the hook (3) is fixedly connected with the limiting frame (6) on the side surface, the limiting frame (6) is fixedly connected with the spring (7) on the inner side wall, the limiting frame (6) is slidably connected with the limiting block (8) inside; The lifting ring (9) is rotatably connected with the clamping frame (10) inside, the clamping frame (10) is provided with a clamping block (11) at the bottom end, the clamping frame (10) is provided with a clamping groove (12) at the bottom end, and the clamping frame (10) is provided with a lifting appliance (13) on the inner side wall.
2. The safety anti-drop device for a lifting sling of a port machinery device according to claim 1, characterized in that, The lifting rope (1) has two and is located on both sides of the hook frame (2), and the telescopic rod (4) output end is located in the limiting frame (6) inside.
3. The safety anti-drop device for a lifting sling of a port machinery device according to claim 1, characterized in that, The side surface of the limiting block (8) is fixedly connected with the spring (7) away from the limiting frame (6) end, and the limiting block (8) is located in the limiting groove (5) inside.
4. The safety anti-drop device for a lifting sling of a port machinery device according to claim 1, characterized in that, The limiting frame (6) is located at the top end of the hook (3), and the side surface of the limiting block (8) is inclined.
5. The safety anti-drop device for a lifting sling of a port machinery device according to claim 1, characterized in that, The inner side wall of the lifting ring (9) is fixedly connected with the surface of the hook (3), and the lifting ring (9) has two and is located at the bottom end of the hook (3).
6. The safety anti-drop device of a lifting sling of a port machinery device according to claim 1, characterized in that, The inner side wall of the clamping frame (10) is fixedly connected with the gasket (14), and the clamping block (11) and the clamping groove (12) are located on both sides of the bottom end of the clamping frame (10) respectively.
7. The safety anti-drop device of a lifting sling of a port machinery device according to claim 1, characterized in that, The bottom end clamping block (11) of the two clamping frames (10) is located in the clamping groove (12) at the bottom end of the other party respectively.
8. The safety anti-drop device of a lifting sling of a port machinery device according to claim 1, characterized in that, The inner side wall of the hook (3) is provided with a pattern (15).
Citation Information
Patent Citations
Plug-in type lifting hook anti-falling device
CN214733824U