Lifting hook structure for crane

Abstract

The utility model relates to the technical field of lifting hooks, in particular to a lifting hook structure for a crane, which comprises a hook neck, a hook head and an anti-loosening component, and the anti-loosening component comprises a motor, a gear, a rack, a fixing strip, a limiting rod and an auxiliary unit; the motor is started, the output end of the motor drives the gear to rotate, then the rack moves along with the gear, the limiting rod on the fixing strip is driven to descend, the hook head can be closed through the limiting rod, at the moment, a worker can start the crane to transfer materials to other positions, the hook head is closed through the limiting rod, and the anti-loosening effect on the hook head can be achieved; therefore, the problems that the magnet of the magnet is seriously abraded, the magnetism of the magnet is reduced and the anti-loosening effect of the protective hook is influenced due to the fact that the magnet of the existing anti-falling lifting hook for the crane needs to be collided and contacted with the protective hook during long-time use are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a hook technical field, concretely relates to a crane hook structure. BACKGROUND

[0002] The hook is the most common lifting appliance in hoisting machinery, and is widely applied in loading and unloading and carrying work, ordinary hooks are easily affected by their own structure and the hoisted objects, so that the protective hook cannot well close the hook, the hook has no anti-falling device, and the hoisted objects are easily fallen from the hook during hoisting and conveying.

[0003] At present, the prior art (CN210944539U) discloses a crane anti-falling hook, which comprises a hook neck, a hoop, a fastening device, an ear, a pivot, a protective hook, a lodestone, a hook head, a safety belt and a shockproof device, the hoop and the ear are installed on the hook neck, the protective hook and the ear are connected together through the pivot, the protective hook can rotate up and down through the pivot, the hoop is provided with the fastening device, when the hook head hoists an object, the protective hook and the lodestone embedded in the hook tip are attracted together to form a firm closed structure, the safety belt is arranged around the hook head, the lower inner side of the hook head has a protruding shockproof device, the protective hook and the hook head make the hook closure more firm through the action of the lodestone, and the shockproof device is additionally arranged, so that the safety of the hook during hoisting is improved.

[0004] However, by adopting the above-mentioned mode, the protective hook is attracted by the lodestone to form a closed structure, and the hook head is matched to realize the anti-loose effect, but the magnet of the lodestone is seriously worn due to collision with the protective hook during long-time use, the magnetism of the lodestone is reduced, and the anti-loose effect of the protective hook is affected. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a crane hook structure, and aims at solving the problems that the lodestone of the existing crane anti-falling hook is seriously worn due to collision with the protective hook during long-time use, the magnetism of the lodestone is reduced, and the anti-loose effect of the protective hook is affected.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a crane hook structure, which comprises a hook neck, a hook head and an anti-loose assembly, the hook head is arranged on one side of the hook neck, and the anti-loose assembly comprises a motor, a gear, a rack, a fixed strip, a limiting rod and an auxiliary unit.

[0007] The motor is fixedly connected with the hook neck and located at one side of the hook neck, the gear is fixedly connected with the output end of the motor and located at one side of the motor, the rack is engaged with the gear and located at one side of the gear, the fixed strip is fixedly connected with the rack and slidably connected with the hook neck and located at the side of the hook neck, the limiting rod is fixedly connected with the fixed strip and located at one side of the fixed strip, and the auxiliary unit is arranged at one side of the hook neck.

[0008] The limiting rod comprises a connecting rod and a concave head, the connecting rod is fixedly connected with the fixed strip and located at one side of the fixed strip, and the concave head is fixedly connected with the connecting rod and slidably connected with the hook head and located at one side of the connecting rod.

[0009] The auxiliary unit comprises a mounting frame, a threaded head, a sliding plate and an insertion block, the mounting frame is fixedly connected with the hook head and located at one side of the hook head, the threaded head is threadedly connected with the mounting frame and located at the side of the mounting frame, the sliding plate is slidably connected with the mounting frame and rotatably connected with the threaded head and located at one side of the threaded head, and the insertion block is fixedly connected with the sliding plate and slidably connected with the mounting frame and located at one side of the sliding plate away from the threaded head.

[0010] The auxiliary unit further comprises a circular ring and a sealing cover, the circular ring is fixedly connected with the mounting frame and located at the side of the mounting frame, and the sealing cover is rotatably connected with the circular ring and located at the side of the circular ring.

[0011] The sliding plate comprises a connecting sleeve and a guide plate, the connecting sleeve is rotatably connected with the threaded head and located at one side of the threaded head, the guide plate is fixedly connected with the connecting sleeve and the insertion block and located between the connecting sleeve and the insertion block.

[0012] The utility model discloses a kind of crane hooks structure, when crane needs to use the material lifting of the hook head, first start the motor, the output end of the motor drives the gear rotation, so that the rack meshed with it can drive the fixed strip moves in the hook neck, to drive the limit rod moves in turn, so that the limit rod no longer seals the hook head, facilitate staff to hang the material in the hook head, after completing placement, can start motor again, the output end of the motor drives the gear rotation, to drive the rack moves in turn, drive the limit rod on the fixed strip drops, so that the limit rod can seal the hook head, at this time, staff can start crane, material is transferred to other position, by the limit rod to the hook head seal, the anti-loose effect of the hook head can be realized, to solve the existing crane with the problem that anti-falling hook magnetite needs to collide with protective hook contact in long time use, leading to magnetite magnet abrasion, magnetism of magnetite reduces, influence protective hook anti-loose effect. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows.

[0014] Figure 1 It is the overall structure schematic view of the utility model hook structure for crane.

[0015] Figure 2 It is another angle structure schematic view of the overall structure of the utility model hook structure for crane.

[0016] Figure 3 It is the sectional view of the overall structure of the utility model hook structure for crane.

[0017] Figure 4 It is Figure 3 The local enlarged view of detail A.

[0018] 101-hook neck, 102-hook head, 103-anti-loose assembly, 104-motor, 105-gear, 106-rack, 107-fixed strip, 108-limit rod, 109-assistant unit, 110-connecting rod, 111-concave head, 112-mounting frame, 113-threaded head, 114-sliding plate, 115-insert block, 116-ring, 117-sealing cover, 118-connecting sleeve, 119-guide plate. DETAILED DESCRIPTION

[0019] The embodiments of the utility model will be described in detail below, the examples of the embodiments are shown in the drawings, the embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and cannot be understood as the limitation of the utility model.

[0020] Please refer to Figures 1-4 , Figure 1 is the overall structure schematic view of the hook structure of the crane, Figure 2 is another angle structure schematic view of the overall structure of the hook structure of the crane, Figure 3 is the sectional view of the overall structure of the hook structure of the crane, Figure 4 is Figure 3 the local enlarged view of detail A.

[0021] The hook structure of the crane of the utility model, including hook neck 101, hook head 102 and anti-loose assembly 103, anti-loose assembly 103 includes motor 104, gear 105, rack 106, fixed strip 107, limiting rod 108 and auxiliary unit 109;Limiting rod 108 includes connecting rod 110 and concave head 111, auxiliary unit 109 includes mounting frame 112, threaded head 113, sliding plate 114, plug block 115, circular ring 116 and sealing cover 117, sliding plate 114 includes connecting sleeve 118 and guide plate 119, the foregoing scheme has solved the problem that the existing anti-falling hook magnetite of crane needs to collide with the protective hook in long-time use, resulting in serious abrasion of the magnet of the magnetite, the magnetic property of the magnetite is reduced, and the anti-loose effect of the protective hook is affected.

[0022] For this specific embodiment, the hook head 102 is arranged on one side of the hook neck 101, by suspending the material in the hook head 102, and by starting the crane to drive the hook neck 101 to move, the material in the hook head 102 can be moved to other positions.

[0023] The motor 104 is fixedly connected with the hook neck 101 and located on one side of the hook neck 101, the gear 105 is fixedly connected with the output end of the motor 104 and located on one side of the motor 104, the rack 106 is engaged with the gear 105 and located on one side of the gear 105, the fixed bar 107 is fixedly connected with the rack 106 and slidably connected with the hook neck 101 and located on the side of the hook neck 101, the limiting rod 108 is fixedly connected with the fixed bar 107 and located on one side of the fixed bar 107, and the auxiliary unit 109 is arranged on one side of the hook neck 101. When the crane needs to use the hook head 102 to lift the material, first start the motor 104, the output end of the motor 104 drives the gear 105 to rotate, so that the rack 106 engaged with the gear 105 can drive the fixed bar 107 to move in the hook neck 101, and then drive the limiting rod 108 to move, so that the limiting rod 108 no longer closes the hook head 102, facilitating the workers to hang the material in the hook head 102. After completing the placement, the motor 104 can be started again, the output end of the motor 104 drives the gear 105 to rotate, and then the rack 106 moves, drives the limiting rod 108 on the fixed bar 107 to descend, so that the limiting rod 108 can close the hook head 102. At this time, the workers can start the crane to transfer the material to other positions. The closing of the hook head 102 by the limiting rod 108 can realize the anti-loose effect of the hook head 102, thereby solving the problem that the existing anti-falling hook magnet of the crane needs to be in contact with the protective hook for a long time, causing the magnet to be severely worn, the magnetism of the magnet to be reduced, and the anti-loose effect of the protective hook to be affected.

[0024] Secondly, the connecting rod 110 is fixedly connected with the fixed bar 107 and located on one side of the fixed bar 107, the concave head 111 is fixedly connected with the connecting rod 110 and slidably connected with the hook head 102 and located on one side of the connecting rod 110, when the fixed bar 107 moves with the rack 106, the connecting rod 110 moves, so that the concave head 111 moves, the concave head 111 can block the hook head 102, and then close the hook head 102 to realize the anti-loose effect.

[0025] Again, the mounting frame 112 is fixedly connected with the hook head 102 and located at one side of the hook head 102, the threaded head 113 is threadedly connected with the mounting frame 112 and located at the side of the mounting frame 112, the sliding plate 114 is slidably connected with the mounting frame 112 and rotatably connected with the threaded head 113 and located at one side of the threaded head 113, the plug 115 is fixedly connected with the sliding plate 114 and slidably connected with the mounting frame 112 and located at the side of the sliding plate 114 away from the threaded head 113, when the hook head 102 needs to be replaced due to damage after long time use, the staff can left-rotate the threaded head 113, the threaded head 113 starts to move on the mounting frame 112, thereby driving the sliding plate 114 to move, so that the plug 115 slides out of the hook neck 101 and no longer clamps the hook neck 101, at this time, the staff can pull out the hook head 102 from the hook neck 101 for replacement.

[0026] In addition, the circular ring 116 is fixedly connected with the mounting frame 112 and located at the side of the mounting frame 112, the sealing cover 117 is rotatably connected with the circular ring 116 and located at the side of the circular ring 116, when the threaded head 113 is no longer needed, the circular ring 116 can be closed by rotating the sealing cover 117, thereby avoiding external impurities from entering the mounting frame 112.

[0027] Meanwhile, the connecting sleeve 118 is rotatably connected with the threaded head 113 and located at one side of the threaded head 113, the guide plate 119 is fixedly connected with the connecting sleeve 118 and the plug 115 and located between the connecting sleeve 118 and the plug 115, when the threaded head 113 moves on the mounting frame 112, the connecting sleeve 118 is driven to move, the guide plate 119 is driven to move in the mounting frame 112 through the connecting sleeve 118, and the guide plate 119 is prevented from rotating with the threaded head 113 through the connecting sleeve 118.

[0028] The utility model discloses a kind of crane hooks structure, when crane needs to use the hook head 102 to lift material, first start the motor 104, the output end of the motor 104 drives the gear 105 rotation, so that the rack 106 engaged with it can drive the fixed strip 107 move in the hook neck 101, to further drive the limiting rod 108 move, so that the concave head 111 no longer jam the hook head 102, facilitate staff to hang material in the hook head 102, after completing placement, motor 104 can be started again, the output end of the motor 104 drives the gear 105 rotation, to further make the rack 106 move, drive the connecting rod 110 on the fixed strip 107 descend, so that the concave head 111 can jam the hook head 102, close the hook head 102, at this time, staff can start crane, material is transferred to other position, and the hook head 102 is damaged and needs to be replaced after long time use, staff can left screw head 113, screw head 113 starts to move on the installation frame 112, to further drive the connecting sleeve 118 move, guiding plate 119 moves, so that the plug 115 slides from the hook neck 101, no longer jam the hook neck 101, at this time, staff can pull out the hook head 102 from the hook neck 101 and replace, by the concave head 111 jam the hook head 102, close the hook head 102, the anti-loose effect of the hook head 102 can be realized, to solve the existing crane with anti-falling hook magnetite in long time use, need to collide with protective hook contact, resulting in magnetite magnet abrasion, magnetite magnetism reduces, influence protective hook anti-loose effect Problem.

[0029] The above disclosed is only one or more preferred embodiments of the present application, which cannot limit the scope of the present application, and those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the claims of the present application still belong to the scope covered by the present application.

Claims

1. A crane hook structure, comprising a hook neck and a hook head, wherein the hook head is disposed on one side of the hook neck, characterized in that, It also includes anti-loosening components; The anti-loosening assembly includes a motor, gears, racks, fixing bars, limit rods, and auxiliary units; The motor is fixedly connected to the hook neck and located on one side of the hook neck. The gear is fixedly connected to the output end of the motor and located on one side of the motor. The rack meshes with the gear and is located on one side of the gear. The fixing strip is fixedly connected to the rack and slidably connected to the hook neck and located on the side of the hook neck. The limiting rod is fixedly connected to the fixing strip and located on one side of the fixing strip. The auxiliary unit is disposed on one side of the hook neck.

2. The crane hook structure as described in claim 1, characterized in that, The limiting rod includes a connecting rod and a concave head. The connecting rod is fixedly connected to the fixing strip and located on one side of the fixing strip. The concave head is fixedly connected to the connecting rod and slidably connected to the hook head, and located on one side of the connecting rod.

3. The crane hook structure as described in claim 2, characterized in that, The auxiliary unit includes a mounting frame, a threaded head, a sliding plate, and a plug. The mounting frame is fixedly connected to the hook head and located on one side of the hook head. The threaded head is threadedly connected to the mounting frame and located on the side of the mounting frame. The sliding plate is slidably connected to the mounting frame and rotatably connected to the threaded head, and located on one side of the threaded head. The plug is fixedly connected to the sliding plate and slidably connected to the mounting frame, and located on the side of the sliding plate away from the threaded head.

4. A crane hook structure as described in claim 3, characterized in that, The auxiliary unit also includes a ring and a sealing cap. The ring is fixedly connected to the mounting frame and located on the side of the mounting frame. The sealing cap is rotatably connected to the ring and located on the side of the ring.

5. A crane hook structure as described in claim 4, characterized in that, The slide plate includes a connecting sleeve and a guide plate. The connecting sleeve is rotatably connected to the threaded head and is located on one side of the threaded head. The guide plate is fixedly connected to the connecting sleeve and fixedly connected to the insert block, and is located between the connecting sleeve and the insert block.

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