Lifting hook with orientation function

By setting an orientation mechanism with N-pole and S-pole permanent magnets on the hook, the problem of hook inability to be oriented is solved, achieving stable positioning and safe lifting of the load, and improving work efficiency.

CN223632935UActive Publication Date: 2025-12-05HUNAN VALIN LIANYUAN IRON & STEEL CO LTD
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Patent Information

Application Number
CN202520032775.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2025-12-05
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

The existing hooks cannot be oriented and rotate unpredictably, resulting in inaccurate positioning of the suspended load and endangering personal and equipment safety.

Method used

Design a hook with orientation function, including an installation mechanism, a hook and an orientation mechanism. Utilize the attraction of N-pole and S-pole permanent magnets to stably position the hook when it is parallel or perpendicular to the track, preventing rotational deviation.

Benefits of technology

It enables convenient loading and unloading of loads, improves work efficiency, ensures the stability of the hook, and protects the safety of personnel and equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a lifting hook with an orientation function, which comprises a mounting mechanism, a lifting hook and an orientation mechanism, the orientation mechanism comprises a first connecting piece, two second connecting pieces and a plurality of N-pole permanent magnet groups and S-pole permanent magnet groups, the first connecting piece is connected to the top end of the lifting hook, and the second connecting piece is connected to the top end of the lifting hook; n-pole permanent magnet sets are connected to the two sides of the first connecting piece in the transverse direction and the two sides of the first connecting piece in the longitudinal direction, the second connecting pieces are connected to the inner side of the mounting mechanism, the two second connecting pieces and the first connecting piece are arranged at intervals, and an S-pole permanent magnet set is connected to each second connecting piece. Through the suction effect between the N-pole permanent magnet group on the first connecting piece and the S-pole permanent magnet groups on the second connecting pieces on the two transverse sides, when the lifting hook is parallel to or perpendicular to a rail, the effect of stabilizing the hook is achieved through the suction force, the direction is not prone to swinging, the orientation effect is achieved, lifting objects are convenient to load and unload, and therefore the working efficiency can be improved; and the lifting hook is stable, so that the personal safety and the equipment safety are ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hoisting equipment technical field, especially a hook with directional function. BACKGROUND

[0002] The crane is a kind of very common hoisting equipment, and the positioning hook matched with the crane is mostly electromagnet positioning hook or other mechanical positioning hook, the electromagnet positioning hook is not only bulky, but also expensive, and it is suitable for the operation site needing frequent indexing.

[0003] But for not needing frequent indexing, the direction of rotation is not much, and the orientation is simple (such as parallel or perpendicular to the car track) or specific direction (such as 45 °), generally do not use electromagnet positioning hook, in this case, the hook is too flexible, and in the scene of roll changing platform and roll grinding of continuous casting and rolling production line, the hoisted object is perpendicular to the car track in most working conditions, if the hook in the prior art is stopped in the position each time, even if parallel to the car track, the steel structure lifting appliance or other machining equipment placed is still difficult to hook, and after lifting the heavy object, the hoisted object is rarely in the appropriate position (such as parallel or perpendicular to the track), even rotation is indefinite, and the positioning is time-consuming, which endangers personal and equipment safety.

[0004] Therefore, it is necessary to provide a hook with directional function to solve or at least alleviate the above-mentioned defects. CONTENT OF THE UTILITY MODEL

[0005] The main purpose of the utility model is to provide a hook with directional function to solve the problem that the hook in the prior art cannot be oriented and rotated indefinitely, which endangers personal and equipment safety.

[0006] To achieve the above-mentioned purpose, the utility model provides a hook with directional function, which comprises a mounting mechanism, a hook and a directional mechanism, wherein,

[0007] The mounting mechanism is used to connect with the crane, the hook is connected in the mounting mechanism and is rotatably arranged along the horizontal plane;

[0008] The directional mechanism comprises a first connecting piece, two second connecting pieces oppositely arranged along the transverse direction and a plurality of N-pole permanent magnet groups and S-pole permanent magnet groups, wherein,

[0009] The first connecting piece is connected to the top end of the hook, and the N-pole permanent magnet groups are connected to the two sides along the transverse direction and the two sides along the longitudinal direction of the first connecting piece;

[0010] The second connecting pieces are connected to the inner side of the mounting mechanism, and are spaced apart from the first connecting piece, and the S-pole permanent magnet groups are connected to each of the second connecting pieces.

[0011] Preferably, the first connecting piece is a connecting nut, the top end of the hook has external threads, the connecting nut is connected to the external threads of the hook, and the connecting nut is upwardly protruding to form a ring, a plurality of mounting holes are arranged on the ring in a circumferential direction, and the N-pole permanent magnet groups are connected to the mounting holes on the ring on the two lateral sides and the two longitudinal sides.

[0012] Preferably, the S-pole permanent magnet groups are further connected to the mounting holes between every two adjacent N-pole permanent magnet groups on the ring.

[0013] Preferably, the mounting mechanism comprises a movable pulley set, a rotating arm, and two lateral connecting plates, the movable pulley set is connected to the top of the two connecting plates through a pin shaft, the rotating arm is connected to the bottom of the two connecting plates, the hook is connected to the rotating arm and is arranged to be rotatable in a horizontal plane, and the top end of the hook is arranged to protrude from the rotating arm.

[0014] Preferably, the second connecting piece is a saddle, the saddle is connected to the inner side of the connecting plate, and the saddle is provided with a mounting hole, and the S-pole permanent magnet groups are connected to the mounting hole of the saddle.

[0015] Preferably, the side of the saddle facing the ring is arranged in an arc shape matching the ring.

[0016] Preferably, the number of N-pole permanent magnets of each N-pole permanent magnet group is three, and the number of S-pole permanent magnets of each S-pole permanent magnet group is three.

[0017] Preferably, the bottom end of the hook has two main hooks symmetrically distributed along the vertical axis of the hook.

[0018] Preferably, a spacer sleeve is further arranged on the hook and between the hook and the rotating arm.

[0019] Preferably, a bolt is further arranged, the connecting nut and the top end of the hook are provided with longitudinal through holes arranged in a radial direction, and the bolt is connected to the longitudinal through holes.

[0020] Compared with the prior art, the utility model has the beneficial effects that:

[0021] The utility model provides a hook with directional function, including installation mechanism, hook and directional mechanism, installation mechanism is used for with the connection of travelling crane, hook is connected in installation mechanism and is rotatable along the horizontal plane, directional mechanism includes first connecting piece, two along the transverse opposite second connecting piece and a plurality of N pole permanent magnet group and S pole permanent magnet group, first connecting piece is connected in the top of hook, the both sides of first connecting piece along the transverse, along the both sides of vertical all are connected with N pole permanent magnet group, second connecting piece is connected in the inside of installation mechanism, two second connecting pieces all are with first connecting piece interval arrangement, and S pole permanent magnet group is connected on each second connecting piece. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying creative labor, still can obtain other drawings according to the structure shown in these drawings.

[0023] Figure 1 It is the three-dimensional schematic view of the overall structure in an embodiment of the utility model;

[0024] Figure 2 It is Figure 1 The local enlarged schematic view of A in;

[0025] Figure 3 It is the cross section schematic view of the overall structure in an embodiment of the utility model;

[0026] Figure 4 It is the three-dimensional schematic view of the saddle in an embodiment of the utility model;

[0027] Figure 5 It is the three-dimensional schematic view of the first connecting piece in an embodiment of the utility model;

[0028] Figure 6 It is the assembly schematic view of the first connecting piece in an embodiment of the utility model.

[0029] The utility model purposes realization, functional characteristics and advantages will be further explained by combining with the embodiment, with reference to the drawings.

[0030] Brief Description of Drawings

[0031] 10. orientation mechanism; 110. first connecting member; 111. connecting nut; 112. circular ring; 120. second connecting member; 121. saddle; 130. N-pole permanent magnet; 140. S-pole permanent magnet; 20. mounting mechanism; 210. movable pulley set; 220. rotating arm; 230. connecting plate; 30. hook; 310. spacer sleeve; 320. bolt. DETAILED DESCRIPTION

[0032] It should be understood that the specific embodiments described herein are merely exemplary and do not limit the present application.

[0033] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0034] It should be noted that all the directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications also change accordingly.

[0035] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the technical features or implicitly indicating the number of the technical features. Therefore, the features with "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, and when the combination of the technical solutions appears contradictory or unachievable, it should be considered that the combination of the technical solutions does not exist, and is not within the scope of protection required by the present application.

[0036] Please refer to the drawings Figures 1-6The utility model provides an embodiment with a directional function's lifting hook 30, including installation mechanism 20, lifting hook 30 and directional mechanism 10. First, need to explain, the transverse in the application is the axial direction of movable pulley block 210, and the longitudinal direction is the horizontal direction perpendicular to the transverse, specifically please refer to the mark in the drawing, and the difference with the lifting hook in the prior art is that the position of each stop is parallel to the cart track, and the steel structure lifting appliance or other machining equipment is still difficult to hook in, and after lifting the heavy object, the lifting object is seldom in the appropriate position (such as parallel or perpendicular to the track), and even rotates indefinitely, which endangers personal and equipment safety. The application sets up a lifting hook with directional function to solve the above-mentioned defects in the prior art, as follows:

[0037] The installation mechanism 20 is used for connecting with the travelling crane, the lifting hook 30 is connected in the installation mechanism 20 and is rotatably arranged along the horizontal plane, the directional mechanism 10 includes the first connecting piece 110, two second connecting pieces 120 oppositely arranged along the transverse and a plurality of N-pole permanent magnet 130 groups and S-pole permanent magnet 140 groups, wherein the first connecting piece 110 is connected to the top end of the lifting hook 30, the first connecting piece 110 is connected with the N-pole permanent magnet 130 group on both sides along the transverse and on both sides along the longitudinal direction, the second connecting piece 120 is connected to the inner side of the installation mechanism 20, the second connecting piece 120 is spaced apart from the first connecting piece 110, and the S-pole permanent magnet 140 group is connected to each second connecting piece 120.

[0038] Specifically, the lifting hook 30 with directional function in the application includes installation mechanism 20, lifting hook 30 and directional mechanism 10, the installation mechanism 20 is used for connecting with the travelling crane to install on the travelling crane, and is used for installing and connecting the lifting hook 30 and directional mechanism 10, after the lifting hook 30 is installed on the installation mechanism 20, the directional mechanism 10 is used for positioning to limit the self-rotation deviation of the lifting hook 30, so that the effect of stabilizing the hook is achieved.

[0039] The directional mechanism 10 comprises a first connecting piece 110, two second connecting pieces 120 arranged opposite in the lateral direction, and a plurality of N-pole permanent magnet groups 130 and S-pole permanent magnet groups 140, the first connecting piece 110 and the second connecting piece 120 are used for mounting permanent magnets, the first connecting piece 110 is connected to the top end of the hook 30, and the second connecting piece 120 is connected to the inner side of the mounting mechanism 20, since the two second connecting pieces 120 are arranged opposite in the lateral direction, the two second connecting pieces 120 are arranged on the two sides of the first connecting piece 110 in the lateral direction and are spaced apart from each other to facilitate mounting of permanent magnets, in a preferred embodiment of the present application, the N-pole permanent magnet groups 130 are connected to the two sides of the first connecting piece 110 in the lateral direction, and the S-pole permanent magnet groups 140 are connected to the second connecting piece 120, so that an attractive force in the lateral direction is formed under the action of opposite sex attraction, at this time, the hook 30 is in a directional state under the action of the attractive force and cannot easily rotate and deviate; it can be understood that the S-pole permanent magnet groups 140 can also be arranged on the two sides of the first connecting piece 110 in the lateral direction, and at this time, the N-pole permanent magnet groups 130 are arranged on the second connecting piece 120, so that the purpose of opposite sex attraction can be achieved, and the hook is stabilized by the attractive force.

[0040] It is worth mentioning that the N-pole permanent magnet groups 130 are also connected to the two sides of the first connecting piece 110 in the longitudinal direction, and the hook 30 is rotatably arranged in the horizontal plane, so that the N-pole permanent magnet groups 130 originally arranged on the two sides in the longitudinal direction can be rotated to become new N-pole permanent magnet groups 130 arranged on the two sides in the lateral direction after the hook 30 is rotated by 90°, so that the hook 30 still has a directional function after the orientation of the hook 30 is changed, so that the technician can adjust the direction of the hook 30 (parallel or perpendicular to the track) as needed; it should be noted that the N-pole permanent magnet groups 130 on the first connecting piece 110 and the S-pole permanent magnet groups 140 on the second connecting piece 120 also need to be arranged with a certain gap to ensure that the hook 30 is not hindered when rotating.

[0041] As a preferred embodiment of the present application, the first connecting piece 110 is a connecting nut 111, the top end of the hook 30 has an external thread, the connecting nut 111 is connected to the external thread of the hook 30, and the connecting nut 111 is upwardly protruding to form a circular ring 112, a plurality of mounting holes arranged in the circumferential direction are formed in the circular ring 112, and the N-pole permanent magnet groups 130 are connected to the mounting holes arranged on the two sides in the lateral direction and on the two sides in the longitudinal direction of the circular ring 112.

[0042] It should be noted that the top end of the hook 30 has external threads, so that the first connecting piece 110 is in the form of a nut to ensure stable connection and convenient structure installation. The connecting nut 111 is threadedly connected to the external threads, and the top of the connecting nut 111 is integrally formed with a circular ring 112 for mounting a permanent magnet. A plurality of mounting holes are formed in the circular ring 112 and are arranged at intervals in the circumferential direction. Each mounting hole is used for mounting a permanent magnet. The mounting holes on the lateral sides and the longitudinal sides of the circular ring 112 are used for mounting an N-pole permanent magnet 130 group. Each N-pole permanent magnet 130 group can be provided with a plurality of N-pole permanent magnets 130 to enhance the suction force. Preferably, the number of N-pole permanent magnets 130 in each N-pole permanent magnet 130 group is three, and the number of S-pole permanent magnets 140 in each S-pole permanent magnet 140 group is also three to ensure that the suction effect is generated correspondingly. It can be understood that the inside of the circular ring 112 also has internal threads to facilitate synchronous tightening with the connecting nut 111 to ensure stable connection.

[0043] As a preferred embodiment of the present application, the mounting holes between each two adjacent N-pole permanent magnet 130 groups on the circular ring 112 are also connected with the S-pole permanent magnet 140 group.

[0044] It should be noted that this can reduce the difficulty of rotation by using the principle of same-level mutual exclusion during the conversion of the hook 30, thereby facilitating the conversion of the hook 30.

[0045] As a preferred embodiment of the present application, the mounting mechanism 20 includes a movable pulley block 210, a rotating arm 220, and two lateral plates 230. The movable pulley block 210 is connected to the top of the two lateral plates 230 through a pin shaft. The rotating arm 220 is connected to the bottom of the two lateral plates 230. The hook 30 is connected to the rotating arm 220 and is arranged to be rotatable along the horizontal plane. The top end of the hook 30 protrudes from the rotating arm 220.

[0046] It should be noted that the movable pulley block 210 is used for connection with a trolley. The movable pulley block 210 is connected to the top of the two lateral plates 230 through a pin shaft. The rotating arm 220 is used for mounting and connecting the hook 30. It can be understood that the rotating arm 220 has a mounting channel extending in the vertical direction to allow the top of the hook 30 to pass through. The rotating arm 220 is connected to the bottom of the two lateral plates 230. During installation, the top of the hook 30 passes through the rotating arm 220 from bottom to top, and the top end protrudes from the rotating arm 220. The connecting nut 111 is threadedly connected. Finally, the hook 30 is rotated to the desired orientation (parallel or perpendicular to the track).

[0047] As a preferred embodiment of the utility model, the second connecting piece 120 is a saddle 121, the saddle 121 is connected to the inner side of the connecting plate 230, and the saddle 121 is provided with a mounting hole, and the S-pole permanent magnet 140 group is connected in the mounting hole of the saddle 121.

[0048] It is worth noting that the saddle 121 is a commonly used connecting base in mechanical connecting pieces, which is compact in structure and convenient to install, so that it can be connected to the inner side of the connecting plate 230, and the mounting hole in the saddle 121 is used for installing the S-pole permanent magnet 140 group.

[0049] Further, the side of the saddle 121 towards the circular ring 112 is provided with an arc shape matching the circular ring 112.

[0050] It should be noted that, considering that the outer side of the circular ring 112 is circular, the side of the saddle 121 towards the circular ring 112 is also provided with an arc shape to match the circular ring 112, and the matching arrangement here means that the arc shape of the saddle 121 is consistent with the arc curvature of the circular ring 112, so as to ensure that the three N-pole permanent magnets 130 and S-pole permanent magnets 140 in a group are arranged in a radial direction two by two, thereby further ensuring the suction effect.

[0051] Further, the bottom end of the lifting hook 30 has two main hooks symmetrically distributed along the vertical axis of the lifting hook 30.

[0052] It should be noted that such a structure of bidirectional main hook can realize the loading, unloading and transferring of the double-ear lifting appliance and the article, greatly shortening the operation time.

[0053] Further, it further comprises a spacer 310, which is sleeved on the lifting hook 30 and located between the lifting hook 30 and the rotating arm 220.

[0054] It should be noted that the spacer 310 is used to reduce the wear between the lifting hook 30 and the rotating arm 220 during rotation adjustment, so as to improve the service life of the lifting hook 30.

[0055] Further, it further comprises a latch 320, the top end of the connecting nut 111 and the lifting hook 30 are provided with a longitudinal through hole corresponding arranged in the radial direction, and the latch 320 is connected through the longitudinal through hole.

[0056] It can be understood that the latch 320 is used to further fix the connecting nut 111 and the lifting hook 30, so as to achieve the effect of locking and preventing loosening.

[0057] The above are only preferred embodiments of the present application, and do not limit the patent range of the present application, and any equivalent structure or equivalent process transformation made by using the content of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. A hook having a directional function, characterized in that The installation mechanism is used for connecting with a travelling crane, the hook is connected to the installation mechanism and is rotatably arranged along a horizontal plane, and the orientation mechanism includes a first connecting piece, two second connecting pieces oppositely arranged along a transverse direction, and a plurality of N-pole permanent magnet groups and S-pole permanent magnet groups. The first connecting piece is connected to a top end of the hook, and the first connecting piece is connected with the N-pole permanent magnet groups on both sides along a transverse direction and on both sides along a longitudinal direction. The second connecting pieces are connected to inner sides of the installation mechanism, and the second connecting pieces are spaced apart from the first connecting piece, and the S-pole permanent magnet groups are connected to the second connecting pieces. The first connecting piece is a connecting nut, a top end of the hook has external threads, the connecting nut is connected to the external threads of the hook, and the connecting nut is upwardly protruding to form a ring, a plurality of mounting holes are arranged on the ring along a circumferential direction, and the N-pole permanent magnet groups are connected to the mounting holes on both sides along the transverse direction and on both sides along the longitudinal direction of the ring. The S-pole permanent magnet groups are further connected to the mounting holes between every two adjacent N-pole permanent magnet groups on the ring.

2. The hook with a directional function according to claim 1, characterized in that, The installation mechanism includes a movable pulley block, a rotating arm, and two connecting plates oppositely arranged along a transverse direction, the movable pulley block is connected to the top of the two connecting plates through a pin shaft, the rotating arm is connected to the bottom of the two connecting plates, the hook is connected to the rotating arm and is rotatably arranged along a horizontal plane, and a top end of the hook is arranged outside the rotating arm.

3. The hook with a directional function according to claim 2, characterized in that, The second connecting pieces are saddles connected to inner sides of the connecting plates, and the saddles are provided with mounting holes, and the S-pole permanent magnet groups are connected to the mounting holes of the saddles.

4. The hook with a directional function according to claim 2, characterized in that, A side of the saddle facing the ring is arranged in an arc shape matching the ring.

5. The hook with a directional function according to claim 4, characterized in that, The number of N-pole permanent magnets in each N-pole permanent magnet group is three, and the number of S-pole permanent magnets in each S-pole permanent magnet group is three.

6. The hook with a directional function according to claim 5, characterized in that, A bottom end of the hook has two main hooks symmetrically distributed along a vertical axis of the hook.

7. The hook with a directional function according to claim 1, characterized in that, A spacer sleeve is further included, the spacer sleeve is sleeved on the hook and located between the hook and the rotating arm.

8. The hook with a directional function according to claim 1, characterized in that, A latch is further included, the connecting nut and the top end of the hook are provided with longitudinal through holes correspondingly arranged along a radial direction, and the latch is connected to the longitudinal through holes.

9. The hook with a directional function according to claim 4, characterized in that, ​ 10. The hook with a directional function according to claim 2, characterized in that, ​