Novel hoisting cargo hook

Abstract

The utility model relates to the technical field of lifting hook structures, and discloses a novel lifting hook which comprises a lifting hook, a pressing plate is fixedly connected to the top of the lifting hook, pressing rods are arranged on the two sides of the lifting hook, a stop hook is fixedly connected to the top of one side of each pressing rod, a second rotating shaft is fixedly connected between the pressing rods, and the second rotating shaft is arranged on the lifting hook in a penetrating mode. A stop rod is fixedly connected between the stop hooks, and a first fixing rod is fixedly connected between the pressing rods. According to the limiting structure designed according to the lever principle, one end of the pressing rod ascends and the other end of the pressing rod descends through the second rotating shaft, when a rope is hung in the lifting hook by goods, one end of the pressing rod is pressed by weight, the other end of the pressing rod ascends, and the stop hook at the top of the other end of the pressing rod ascends together, so that the inner hanging rope is limited by the lifting hook; and meanwhile, by means of the structure, hooking or unhooking can be conducted without the help of workers when goods are lifted or put down, manpower is saved, and production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting hook structures, in particular to a novel lifting cargo hook. Background Art

[0002] The hook is the most common type of lifting equipment in lifting machinery. The hook is often suspended on the wire rope of the lifting mechanism with the help of components such as a pulley block. In factories, stations, docks, freight yards, freight stations and other places, a large number of lifting equipment undertake heavy lifting work. In existing situations where hooks are used, if an anti-unhooking device is not set, during operation, the rope hanging the heavy object may slip from the hook, causing equipment damage or casualties. In general, when lifting objects, overhead cranes or cranes need to manually hang and remove the hook. With the development of production, many companies are busy with lifting work, and overhead cranes and cranes have to perform frequent lifting operations. Each lifting operation requires manual hooking and unhooking, which occupies a large number of operators. At the same time, the labor intensity of workers is very high, which reduces production efficiency.

[0003] After searching, the publication number CN209242490U discloses a hook that can be automatically unhooked from the hoisted cargo, which belongs to the technical field of lifting slings and is used to be able to automatically separate from the hoisted cargo after being hoisted into place. Its technical scheme is: the hook plate is a long strip of steel plate, the lower end of the hook plate is connected to the hook, the connection part between the hook plate and the hook has a hanging hole, the hook wire rope is passed through the hanging hole, the hook wire rope is connected to the sling of the overhead crane or the crane, and the weight of the hook plate is greater than the weight of the hook. After the main hoisted cargo of the utility model arrives at the position, the hook of the hook and the hoisting wire rope of the hoisted cargo are loosened. Since the weight of the hook plate is greater than the weight of the hook, the hook will flip to one side of the hook plate with the hanging hole as the fulcrum, and the hook will become horizontal, and automatically detach from the wire rope of the hoisted cargo with the cooperation of the overhead crane or the crane. The utility model has the advantages of clever design, simple structure and convenient use, and omits the hook-removing operation step of the staff, thereby reducing the number of staff, lowering the labor intensity and improving the production efficiency.

[0004] The above application only makes improvements on whether the hook is easy to unhook, but the hook needs to be treated to prevent unhooking during use. At the same time, during the lifting process of the goods, attention needs to be paid to the bearing capacity of the lifting rope to prevent the lifting rope from breaking and the goods from falling, causing property loss or even casualties. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a new type of lifting cargo hook, which aims to improve the above-mentioned new type which only has the function of automatic unhooking and does not involve the problem that the self-locking mechanism most needed by the hook is not involved.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new type of lifting cargo hook, comprising a hook, pressure rods are provided on both sides of the hook, a stop hook is fixedly connected to the top of one end of the pressure rod, a second rotating shaft is fixedly connected between the pressure rods, the outer side of the second rotating shaft is rotatably connected to the hook, a stop rod is fixedly connected between the stop hooks, a first fixed rod is fixedly connected between the pressure rods, and a connecting mechanism is installed on the top of the hook.

[0007] Preferably, the connecting mechanism comprises a pressing plate, and the top of the hook is fixedly connected to one side of the pressing plate.

[0008] Preferably, the outer side of the top of the hook is slidably connected to the bottom plate, and the pressure plate is arranged above the bottom plate.

[0009] Preferably, pressure sensors are symmetrically arranged on the top of the bottom plate, and the pressure sensors are arranged directly below the pressure plate.

[0010] Preferably, support plates are fixedly connected to both sides of the bottom plate, and a fixing plate is fixedly connected to the outer side of the support plate.

[0011] Preferably, a first rotating shaft is rotatably connected between the fixed plates, and a pulley is rotatably connected to the outer side of the first rotating shaft.

[0012] Preferably, baffles are provided on both sides of the pulley, and the baffles are fixedly connected to the inner side of the fixing plate.

[0013] Preferably, a plurality of rope grooves are provided on the surface of the pulley.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, with the help of the limiting structure designed on the principle of lever, the pressure rod can realize the rise of one end and the fall of the other end through the second rotating shaft. When the goods hang the rope in the hook, one end of the pressure rod is pressed down by the weight to raise the other end, and the blocking hook on the top of the other end of the pressure rod rises together. The convex block on the pressure rod limits the sliding of the hanging rope in the hook, and cooperates with the hook to limit the hanging rope to prevent the hanging rope from falling off in an accident. At the same time, the convex block on the pressure rod can bring the hanging rope on the goods out of the hook when putting down the goods with the help of the lever principle, and there is no need for workers to remove the hook, which saves manpower and improves production efficiency.

[0016] 2. In the utility model, a pressure plate is fixedly connected to the top of the hook that is slidably connected to the bottom plate. When lifting the goods, the pressure plate will be driven by the hook to apply pressure to the bottom plate. The pressure can be detected by the pressure sensor, which is convenient for the use of the pressure sensor and the subsequent detection of the weight of the goods. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of a new type of lifting cargo hook proposed by the utility model;

[0018] Figure 2 This is a front view of a new type of lifting cargo hook proposed by the utility model;

[0019] Figure 3 The utility model is a schematic structural diagram of a pulley of a novel lifting cargo hook proposed by the utility model.

[0020] Legend:

[0021] 1. Hook; 2. Pressure rod; 3. Stop hook; 4. Stop rod; 5. First fixed rod; 6. Bottom plate; 7. Support plate; 8. Fixed plate; 9. First rotating shaft; 10. Pulley; 11. First fixed rod; 12. Pressure plate; 13. Pressure sensor; 14. Second rotating shaft; 15. Stop plate; 16. Bump. 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] Reference Figure 1-3 The utility model provides an embodiment: a new type of lifting cargo hook, including a hook 1, pressure rods 2 are provided on both sides of the hook 1, a protrusion 16 is fixedly connected to the top of the pressure rod 2, a blocking hook 3 is fixedly connected to the top of one end of the pressure rod 2, a second rotating shaft 14 is fixedly connected between the pressure rods 2, the outer side of the second rotating shaft 14 is rotatably connected to the hook 1, a blocking rod 4 is fixedly connected between the blocking hooks 3, a first fixing rod 5 is fixedly connected between the pressure rods 2, and a connecting mechanism is installed on the top of the hook 1.

[0024] The protrusion 16 provided on the pressure rod 2 is used to limit the sliding of the hanging rope on the cargo in the hook 1, and plays a certain limiting role. A blocking hook 3 is fixedly connected to the top of one end of the pressure rod 2. The blocking hook 3 itself is heavy and will drive the pressure rod 2 to tilt toward this end. A second rotating shaft 14 passing through the hook 1 is fixedly connected between the pressure rods 2. The pressure rod 2 can rotate around the hook 1 with the second rotating shaft 14 as the center. The blocking rod 4 provided between the blocking hooks 3 is used to limit the excessive flipping of the pressure rod 2 due to special circumstances, which affects the limiting effect. A first fixing rod 5 is provided between the pressure rods 2 to connect and fix the pressure rods 2 on both sides of the hook 1 to achieve synchronous operation of the two pressure rods 2. Moreover, since the blocking hook 3 itself is heavy and will drive the pressure rod 2 to rotate, the first fixing rod 5 can also block it to prevent excessive rotation.

[0025] Reference Figure 1-3The connecting mechanism includes a pressing plate 12, the top of the hook 1 is fixedly connected to one side of the pressing plate 12, the outer side of the top of the hook 1 is slidably connected in the bottom plate 6, the pressing plate 12 is arranged above the bottom plate 6, and the top of the bottom plate 6 is symmetrically provided with a pressure sensor 13, and the pressure sensor 13 is arranged directly below the pressing plate 12, the two sides of the bottom plate 6 are fixedly connected with a supporting plate 7, the outer side of the supporting plate 7 is fixedly connected with a fixing plate 8, the fixing plates 8 are rotatably connected with a first rotating shaft 9, the outer side of the first rotating shaft 9 is rotatably connected with a pulley 10, the surface of the pulley 10 is provided with a plurality of rope grooves, and baffles 15 are provided on both sides of the pulley 10, and the baffles 15 are fixedly connected to the inner side of the fixing plate 8.

[0026] The hook 1 is slidably connected in the base plate 6. The hook 1 can move up and down in the base plate 6. A pressure sensor 13 is provided on the top of the base plate 6. In cooperation with the pressure plate 12 provided on the top of the hook 1, the current pressure can be detected, thereby measuring the weight. Support plates 7 are fixedly connected on both sides of the base plate 6. A fixing plate 8 is provided on the outer side of the support plate 7. A first rotating shaft 9 is provided between the fixing plates 8. The fixing plates 8 are used to strengthen the connection between the parts. A pulley 10 is provided on the outer side of the first rotating shaft 9. The pulley 10 is one of the indispensable components in the lifting device. It can be used to change the direction and force of the lifting rope, thereby improving the efficiency and safety of the hoisted objects. The baffle 15 is used to protect the pulley 10 and prevent the pulley 10 from accidentally falling off.

[0027] Working principle: Move the hook device to the top of the goods to be transported, and the worker first hangs the hanging rope on the goods into the hook 1. The lifting device starts to rise and drives the goods to rise. At this time, due to the weight of the goods itself, one end of the pressure rod 2 will be pressed downward. At this time, due to the lever action, the other end of the pressure rod 2 starts to rise and pulls the top blocking hook 3 upward. The blocking hook 3 and the hook 1 will form a closed-loop structure, which will limit the hanging rope in the hook 1. At the same time, the protrusion on the pressure rod 2 can also play a certain limiting role. After the goods are fully lifted, the pressure plate 12 on the top of the hook 1 will transmit the weight to the staff through the controller with the help of the pressure sensor 13 on the bottom plate 6. If the weight exceeds the limit, the transportation will be stopped. When the goods are completely put down, the weight of the blocking hook 3 itself drives the pressure rod 2 to flip outward, and the protrusion 16 will also drive the hanging rope to flip outward, completing the automatic unhooking.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel cargo hook for lifting cargo, comprising a hook (1), characterized in that: The hook (1) is provided with pressure rods (2) on both sides, a stop hook (3) is fixedly connected to the top of one end of the pressure rod (2), a second rotating shaft (14) is fixedly connected between the pressure rods (2), the outer side of the second rotating shaft (14) is rotatably connected to the hook (1), a stop rod (4) is fixedly connected between the stop hooks (3), a first fixing rod (5) is fixedly connected between the pressure rods (2), and a connecting mechanism is installed on the top of the hook (1).

2. A new type of lifting cargo hook according to claim 1, characterized in that: The connection mechanism comprises a pressing plate (12), and the top of the hook (1) is fixedly connected to one side of the pressing plate (12).

3. A new type of lifting cargo hook according to claim 2, characterized in that: The top outer side of the hook (1) is slidably connected inside the bottom plate (6), and the pressing plate (12) is arranged above the bottom plate (6).

4. A new type of lifting cargo hook according to claim 3, characterized in that: A pressure sensor (13) is symmetrically arranged on the top of the bottom plate (6), and the pressure sensor (13) is arranged directly below the pressure plate (12).

5. The novel lifting cargo hook according to claim 3 is characterized by: Support plates (7) are fixedly connected to both sides of the bottom plate (6), and a fixing plate (8) is fixedly connected to the outer side surface of the support plate (7).

6. A new type of lifting cargo hook according to claim 5, characterized in that: A first rotating shaft (9) is rotatably connected between the fixed plates (8), a pulley (10) is rotatably connected to the outer side of the first rotating shaft (9), and a plurality of rope grooves are provided on the surface of the pulley (10).

7. A new type of lifting cargo hook according to claim 6, characterized in that: Baffles (15) are provided on both sides of the pulley (10), and the baffles (15) are fixedly connected to the inner side of the fixed plate (8).

8. The novel lifting cargo hook according to claim 1 is characterized by: A convex block (16) is fixedly connected to the top of the pressure rod (2).

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