Magnetic type self-unhooking lifting appliance

Abstract

The utility model relates to the technical field of lifting hooks, and provides a magnetic type self-unhooking lifting appliance which comprises a hook frame, the hook is rotationally arranged on the hook frame, and the hook is eccentrically arranged on the hook frame; the swing arm is arranged on the hook and extends out of the hook frame; the magnetic part is arranged on the hook frame and used for attracting the swing arm and limiting swing of the swing arm. By means of the technical scheme, the problems that in the prior art, when an operator hangs materials on a hook, the operator needs to hold the hook with hands, the position of the hook is guaranteed, the working intensity is improved, and the working efficiency is reduced are solved.

Description

Technical Field

[0001] This utility model relates to the field of lifting hook technology, specifically to a magnetic self-detaching hook lifting device. Background Technology

[0002] When lifting materials at the port, lifting equipment is required. Existing lifting equipment usually uses self-unhooking hooks to save manual labor and improve unhooking efficiency. However, existing self-unhooking hooks usually require manual hooking to ensure a tight hook. During hooking, the operator usually needs to manually maintain the position of the hook and hold it firmly throughout the process. However, because the hooks are heavy and numerous, the operator needs to maintain the position of the hook for a long time, which increases the labor intensity of the operator and also reduces the quality of the hook. Utility Model Content

[0003] This utility model proposes a magnetic self-detaching hook lifting device, which solves the problem in related technologies where operators need to hold the hook by hand to ensure its position when hanging materials on it, thus increasing workload and reducing work efficiency.

[0004] The technical solution of this utility model is as follows:

[0005] A magnetic self-unhooking lifting device includes:

[0006] Hook frame;

[0007] The hook is rotatably mounted on the hook frame, and the hook is eccentrically mounted on the hook frame;

[0008] A swing arm is mounted on the hook and extends out of the hook frame;

[0009] A magnetic component is provided on the hook frame, and the magnetic component is used to attract the swing arm and limit the swing of the swing arm.

[0010] As a further technical solution, the swing arm is heavier than the hook, and after the hook bears the weight, the swing arm detaches from the magnetic component.

[0011] As a further technical solution, the swing arm has a notch, and after the swing arm rotates, the magnetic component enters the notch.

[0012] As a further technical solution, the hook is rotatably mounted at the bottom of the hook frame, and also includes:

[0013] A connector, rotatably mounted on the top of the hook frame, is used to connect to the crane.

[0014] As a further technical solution, the connector has mounting holes and also includes:

[0015] A rotating lever is arranged on the connecting piece, and the rotating lever opens or closes the mounting hole when rotating.

[0016] As a further technical solution, it further comprises:

[0017] An elastic member is arranged on the rotating lever and the connecting piece respectively, and the elastic member provides a force for closing the mounting hole by the rotating lever.

[0018] As a further technical solution, it further comprises:

[0019] A limiting column is arranged on the hook frame, and the limiting column abuts against the magnetic member, and the limiting column ensures that the position of the magnetic member does not deviate.

[0020] As a further technical solution, the hook frame is detachably arranged, and the utility model further comprises:

[0021] A fastening bolt is detachably arranged on the hook frame, and the fastening bolt is used for fixing the hook frame, and the connecting piece is arranged on the hook frame through the fastening bolt.

[0022] As a further technical solution, it further comprises:

[0023] A damping pattern is arranged in the hook frame, and the swing arm is in contact or out of contact with the damping pattern after rotating.

[0024] The working principle and beneficial effects of the utility model are as follows:

[0025] In the utility model, when in use, first, the hook is rotated manually, and the swing arm is adsorbed to the magnetic member, and after adsorption, the hook no longer rotates, the hook is eccentrically arranged on the hook frame, when the weight is hung on the hook and lifted, the swing arm is separated from the magnetic member under the gravity of the weight, the eccentrically arranged hook can generate a greater torque when rotating, and the action of automatically unhooking or hooking is more easily realized, thereby improving the convenience and efficiency of operation. The arrangement of the swing arm can transmit the action of the hook to the outside, and through cooperation with the magnetic member, effective control of the swing of the hook is realized, and the stability of the hook when not unhooking is ensured. The magnetic member adsorbs the swing arm, limits the swing of the swing arm, thereby stably maintaining the state of the hook, effectively prevents the unhooking accident caused by accidental swing during hoisting, and improves the safety of hoisting. The control mode of the magnetic attraction type is simple and reliable, and a complex mechanical structure or electronic control system is not needed, thereby reducing the manufacturing cost and maintenance difficulty. The overall structure is compact, occupies a small space, and is convenient to install and use in various hoisting scenes, and is suitable for different working environments and hoisting requirements. BRIEF DESCRIPTION OF DRAWINGS

[0026] The above characteristics, technical features, advantages and implementation manners of the present application will be further explained in the following preferred embodiments in a clear and easy-to-understand manner in combination with the drawings.

[0027] Figure 1 is a structural schematic view of the present application;

[0028] Figure 2 is a structural schematic view of the present application Figure 1 is a partial enlarged schematic view of position A in the present application;

[0029] Figure 3 is a structural schematic view of the present application when the hook lifts the heavy object;

[0030] Figure 4 is a structural schematic view of the present application when the hook drops the heavy object after lifting the heavy object;

[0031] Figure 5 is a structural schematic view of the present application;

[0032] Figure 6 is a structural schematic view of the present application Figure 5 is a partial enlarged schematic view of position B in the present application.

[0033] In the figure: 1, hook frame, 2, hook, 3, swing arm, 4, magnetic part, 5, notch, 6, connecting part, 7, mounting hole, 8, push rod, 9, elastic part, 10, limiting column, 11, fastening bolt, 12, damping pattern. DETAILED DESCRIPTION

[0034] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the specific embodiments of the present application will be described below with reference to the drawings. Obviously, the drawings in the following description only represent some embodiments of the present application, and for those skilled in the art, without creative labor, further technical solutions can be understood, and in some drawings, only one of the components with the same structure or function is schematically shown, or only one of them is marked. In this paper, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".

[0035] In this paper, it should be noted that unless otherwise specified and limited, the terms "mounting", "connecting" and "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0036] In addition, in the description of the present application, the terms "first", "second" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0037] With reference to Figures 1-6 , a magnetic type self-dismounting hook lifting device is provided, comprising a hook frame 1; a hook 2 is rotatably arranged on the hook frame 1, and the hook 2 is eccentrically arranged on the hook frame 1; a swing arm 3 is arranged on the hook 2, and the swing arm 3 extends out of the hook frame 1; a magnetic member 4 is arranged on the hook frame 1, and the magnetic member 4 is used for adsorbing the swing arm 3 and limiting the swing of the swing arm 3.

[0038] In this embodiment, in use, first, the hook 2 is rotated manually, the swing arm 3 is adsorbed to the magnetic member 4, after adsorption, the hook 2 no longer rotates, the hook 2 is eccentrically arranged on the hook frame 1, when the weight is hung on the hook 2 and lifted up, the swing arm 3 will be separated from the magnetic member 4 under the gravity of the weight, the eccentric arrangement of the hook 2 makes the hook 2 generate greater torque when rotating, and the automatic dismounting of the hook or the action of the hook 2 is more easily realized, thereby improving the convenience and efficiency of operation. The arrangement of the swing arm 3 can transmit the action of the hook 2 to the outside, and through cooperation with the magnetic member 4, effective control of the swing of the hook 2 is realized, and the stability of the hook 2 when the hook is not needed to be dismounted is ensured. The magnetic member 4 adsorbs the swing arm 3 and limits the swing of the swing arm 3, thereby stably maintaining the state of the hook 2, effectively preventing the dismounting accident caused by accidental swing during hoisting, and improving the safety of hoisting. This magnetic type control method is simple and reliable, without the need for complex mechanical structures or electronic control systems, thereby reducing the manufacturing cost and maintenance difficulty. The overall structure design is compact, occupies small space, and is convenient for installation and use in various hoisting scenes, and is suitable for different working environments and hoisting requirements.

[0039] As a further technical solution, the swing arm 3 is heavier than the hook 2, and the swing arm 3 is separated from the magnetic member 4 after the hook 2 bears the weight.

[0040] In this embodiment, the design that the swing arm 3 is heavier than the hook 2 makes the swing arm 3 naturally separate from the magnetic member 4 after the hook 2 bears the weight and the weight is put down when dismounting is needed, thereby triggering the automatic dismounting action and realizing the automatic unloading of the weight, and improving the working efficiency. This gravity triggering method is simple and reliable, without the need for an additional power source or complex control device, thereby reducing the cost and failure rate of the equipment. As a further technical solution, the gravity of the swing arm 3 is relatively stable and is not disturbed by external environmental factors, making the automatic dismounting action more accurate and predictable, and helping to ensure the smoothness and stability of the entire hoisting process. The operation process is simplified, the working strength of the operator is reduced, and the hoisting operation is more convenient and efficient.

[0041] As a further technical solution, the swing arm 3 has a notch 5, and after the swing arm 3 rotates, the magnetic part 4 enters the notch 5.

[0042] In this embodiment, the notch 5 on the swing arm 3 is designed so that the magnetic part 4 can accurately enter the notch 5, increasing the area of adsorption and improving the magnetic force on the swing arm 3, thereby achieving more stable adsorption and positioning of the swing arm 3, enhancing the restriction effect of the hook 2 swing, and improving the stability and safety of the lifting device during lifting. When the swing arm 3 needs to be restricted, the magnetic part 4 enters the notch 5 in a cooperative manner, which can reduce the relative sliding and displacement between the magnetic part 4 and the swing arm 3, reducing the risk of swing arm 3 swinging due to accidental loosening. This precise fitting structure helps to improve the reuse accuracy and reliability of the lifting device, ensuring that the magnetic part 4 can accurately combine with the notch 5 during each lifting operation, ensuring the normal operation of the lifting device. The presence of the notch 5 provides a clear fixed position for the magnetic part 4, facilitating accurate calculation and adjustment of the magnetic adsorption force during design and manufacturing, optimizing the performance of the lifting device.

[0043] As a further technical solution, the hook 2 is rotatably arranged at the bottom of the hook frame 1, and further comprises: a connecting piece 6 rotatably arranged at the top of the hook frame 1, the connecting piece 6 being used to connect the crane.

[0044] In this embodiment, the hook 2 is rotatably arranged at the bottom of the hook frame 1, facilitating flexible connection and disconnection with the heavy object during lifting, improving the convenience and efficiency of operation. The connecting piece 6 is rotatably arranged at the top of the hook frame 1, so that the lifting device can freely rotate when being lifted by the crane, thereby better adapting to different lifting angles and directions, reducing resistance and stress concentration during lifting, and ensuring smooth and safe lifting. The connecting piece 6 at the top can be flexibly connected with the crane, facilitating accurate control and operation of the lifting device by the crane, improving the cooperativity and controllability of the entire lifting system. This design of being rotatable both up and down increases the flexibility and adaptability of the lifting device, enabling it to cope with various working conditions in complex lifting environments, improving work efficiency and lifting quality. The rotatable connection structure helps to disperse impact force and vibration during lifting, reducing damage to the hook frame 1 and the connecting piece 6, and prolonging the service life of the lifting device.

[0045] As a further technical solution, the connecting piece 6 has a mounting hole 7, and further comprises: a lever 8 rotatably arranged on the connecting piece 6, the lever 8 being opened or closed when rotating.

[0046] In this embodiment, the mounting hole 7 on the connecting piece 6 is used for connection with the crane, and the setting of the lever 8 can flexibly open or close the mounting hole 7, increasing the safety and controllability of the connection. When the crane is not needed, closing the mounting hole 7 can prevent impurities from entering or accidental collision from causing connection failure, ensuring the performance and service life of the connecting piece 6. During the connection process of the crane, the opening of the mounting hole 7 is controlled by the lever 8, which can more accurately perform the installation operation, improving the efficiency and accuracy of the connection. The lever 8 is simple and convenient to operate, and can quickly realize the switching of the opening and closing state of the mounting hole 7, adapting to different working requirements and emergency situations. This design improves the versatility and protection performance of the connecting piece 6, so that the spreader can maintain good state during use and storage, ensuring the reliability and stability of the hoisting operation.

[0047] As a further technical solution, it also includes that the elastic member 9 is arranged at both ends of the lever 8 and the connecting piece 6 respectively, and the elastic member 9 is used to provide the force for the lever 8 to close the mounting hole 7.

[0048] In this embodiment, the setting of the elastic member 9 can provide the lever 8 with the force to automatically close the mounting hole 7, ensuring that the mounting hole 7 is always in the closed state in the non-operation state, enhancing the safety and protection of the connection, and effectively preventing impurities from entering and accidental opening. This automatic closing mechanism reduces the risk of the mounting hole 7 not being closed due to human negligence, improving the reliability and stability of the entire spreader system. The force of the elastic member 9 makes the closing action of the lever 8 more rapid and stable, and can effectively resist vibration and impact during hoisting, ensuring that the closed state of the mounting hole 7 is not affected. When the mounting hole 7 needs to be opened, the operator only needs to overcome the force of the elastic member 9, which is relatively simple to operate, and the elastic member 9 can also assist the lever 8 to quickly reset and close after the operation is completed.

[0049] As a further technical solution, it also includes that the limiting column 10 is arranged on the hook frame 1, the limiting column 10 abuts against the magnetic member 4, and the limiting column 10 is used to ensure that the position of the magnetic member 4 does not deviate.

[0050] In this embodiment, the setting of the limiting column 10 can effectively prevent the position of the magnetic member 4 from deviating, ensuring that the magnetic member 4 is always in the correct adsorption position, thereby stably adsorbing the swing arm 3, ensuring the reliability and stability of the spreader work. Avoiding the deviation of the magnetic member 4 leading to the adsorption failure of the swing arm 3, thereby causing safety accidents such as accidental unhooking, improving the safety of hoisting operation. Stable position of the magnetic member 4 helps to maintain the performance consistency of the spreader, so that each hoisting operation can achieve the expected effect, reducing the uncertainty caused by the position change of the magnetic member 4. It can reduce the position change of the magnetic member 4 caused by vibration, impact and other factors during long-term use, prolong the service life of the magnetic member 4, and reduce the maintenance cost.

[0051] As a further technical solution, the hook frame 1 is detachably arranged, and further comprising: the fastening bolt 11 is detachably arranged on the hook frame 1, and the fastening bolt 11 is used for fixing the hook frame 1, and the connecting piece 6 is rotatably arranged on the hook frame 1 through the fastening bolt 11.

[0052] In the embodiment, the hook frame 1 is detachably arranged, which facilitates the maintenance, replacement and storage of the hook frame 1. When the hook frame 1 needs to be disassembled for quick operation due to damage, the working efficiency is improved, and the inspection and replacement of the fastening bolt 11 itself are also facilitated. The connecting piece 6 is rotatably arranged on the hook frame 1 through the fastening bolt 11. This connection mode can not only ensure the flexible rotation of the connecting piece 6, but also provide reliable fixation through the fastening bolt 11 to ensure the stability during hoisting. The detachable structure design makes the transportation of the lifting appliance more convenient, occupies smaller space, and reduces the transportation cost. When part of the parts are damaged, only the damaged parts need to be replaced, and the entire lifting appliance does not need to be replaced, thereby reducing the use cost and improving the resource utilization rate.

[0053] As a further technical solution, further comprising: the damping pattern 12 is arranged in the hook frame 1, and the swing arm 3 is in contact or out of contact with the damping pattern 12 after rotation.

[0054] In the embodiment, the arrangement of the damping pattern 12 can provide a certain resistance when the swing arm 3 rotates, so that the action of the swing arm 3 is more stable and controllable, and the unstable factors caused by the too fast or too violent action of the swing arm 3 are reduced. When the swing arm 3 is in contact with the damping pattern 12, the movement speed of the swing arm 3 can be effectively slowed down to avoid the impact and accidents caused by sudden swinging of the swing arm 3, and the safety of the lifting appliance is enhanced. The damping pattern 12 can help to adjust the movement rhythm of the swing arm 3, so that the swing arm 3 is more accurate and reliable when it needs to stop or change state, and the precision and reliability of the self-unhooking function are improved. By controlling the contact and out-of-contact of the swing arm 3 with the damping pattern 12, more fine adjustment of the working state of the lifting appliance can be realized to adapt to different hoisting working conditions and requirements.

[0055] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A magnetic self-unhooking lifting device, characterized in that, The utility model relates to a hook frame (1) is provided with the hook (2) and the swing arm (3) and the magnetic piece (4), the hook (2) is eccentrically arranged on the hook frame (1), the swing arm (3) is arranged on the hook (2), the swing arm (3) is out of the hook frame (1), the magnetic piece (4) is arranged on the hook frame (1), and the magnetic piece (4) is used for adsorbing the swing arm (3) and limiting the swing of swing arm (3). The swing arm (3) is heavier than the hook (2), and the swing arm (3) is separated from the magnetic piece (4) after the hook (2) carries a heavy object. The swing arm (3) has a notch (5), and the magnetic piece (4) enters the notch (5) after the swing arm (3) rotates. The hook (2) is rotatably arranged at the bottom of the hook frame (1), and further comprises a connecting piece (6) rotatably arranged at the top of the hook frame (1), wherein the connecting piece (6) is used for connecting a crane. The connecting piece (6) has a mounting hole (7), and further comprises a push rod (8) rotatably arranged on the connecting piece (6), wherein the push rod (8) is opened or closed when rotating.

2. The magnetic self-unhooking lifting device of claim 1, wherein, Further comprising an elastic member (9) arranged at both ends of the push rod (8) and the connecting piece (6), wherein the elastic member (9) is used for providing a force for closing the mounting hole (7) by the push rod (8).

3. The magnetic self-unhooking lifting device of claim 1, wherein, Further comprising a limiting column (10) arranged on the hook frame (1), wherein the limiting column (10) is in abutment with the magnetic piece (4), and the limiting column (10) is used for ensuring that the position of the magnetic piece (4) does not deviate.

4. The magnetic self-unhooking lifting device of claim 1, wherein, The hook frame (1) is detachably arranged, and further comprises a fastening bolt (11) detachably arranged on the hook frame (1), wherein the fastening bolt (11) is used for fixing the hook frame (1), and the connecting piece (6) is rotatably arranged on the hook frame (1) through the fastening bolt (11). Further comprising a damping line (12) arranged in the hook frame (1), wherein the swing arm (3) is in contact or out of contact with the damping line (12) after rotating.

5. The magnetic self-unhooking lifting device of claim 4, wherein, ​ ​ 6. The magnetic self-shedding hook lifting spreader of claim 5, wherein, ​ ​ 7. The magnetic self-shedding hook lifting spreader of claim 1, wherein, ​ ​ 8. The magnetic self-shedding hook lifting spreader of claim 4, wherein, ​ ​ 9. The magnetic self-shedding hook lifting spreader of claim 1, wherein, ​ ​

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