Hoisting device for crane production

By designing a lifting device consisting of a crossbeam, clamping arms, drive cylinder, and motor drive, the problems of swaying and slippage during steel coil lifting were solved, achieving lifting stability and safety, and improving the degree of automation.

CN224015153UActive Publication Date: 2026-03-20HUBEI HONGSHUO MACHINERY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing steel coil hoisting methods pose safety hazards such as swaying, instability, and slippage. In particular, traditional hoisting methods using slings and C-shaped open clamps are unsafe to operate and difficult to maintain balance.

Method used

A lifting device including a crossbeam, clamping arms, a drive cylinder, a central shaft, bearings, and a drive motor was designed. The clamping arms are extended and retracted by the drive cylinder, the central shaft and bearings enable rotational adjustment, and the motor-driven gear system ensures the stability and safety of the lifting operation.

Benefits of technology

This technology ensures stability and safety during steel coil hoisting, reduces the risk of swaying and slippage, and improves operational safety and automation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hoisting device for crane production, and relates to the technical field of crane production line hoisting, the hoisting device for crane production comprises a cross beam and clamping arms oppositely arranged at the two ends of the cross beam, the top ends of the clamping arms are provided with clamping grooves corresponding to the height position of the cross beam, and the size of the groove body of each clamping groove is matched with the size of the end part of the cross beam; horizontal hook bodies are arranged at the bottom ends of the clamping arms, two groups of oppositely arranged driving cylinders are fixedly mounted on the cross beam in the horizontal direction, the telescopic ends of the two groups of driving cylinders are fixed to the top ends of the clamping arms at the two ends of the cross beam respectively, and the two groups of driving cylinders drive the two groups of clamping arms to be folded and unfolded at the two ends of the cross beam respectively; the center of the top of the platform is provided with a vertically-distributed center shaft through a shaft seat. By arranging the cross beam, the clamping arms and the driving cylinders, the clamping arms can be automatically folded and unfolded at the two ends of the cross beam, the two sets of clamping arms retract to hold a steel coil for hoisting, the whole hoisting device is stable and not prone to shaking left and right in the hoisting process, slipping is avoided, and hoisting is safe.
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Description

TECHNICAL FIELD

[0001] The utility model relates to crane production line hoisting technical field, concretely is a kind of hoisting device for crane production. BACKGROUND

[0002] Steel coil becomes the steel plate for manufacturing crane after uncoiling, cutting, sand blasting, coating, when feeding, steel coil enters production line by hoisting equipment, the steel coil hoisting measure that factory existing adopts is mostly relatively simple, one is through the end fixed in travelling crane hook by lifting belt, the other end is hung to the hook again by passing through steel coil and hoists, this hoisting mode needs manual assistance, it is easy to sway after lifting, and considering the solid degree of lifting belt, safety is not high when operating;Another is hoisted by inserting C-shaped open mouth tool into steel coil, the balance requirement when hoisting is very high in this hoisting mode, a little skew can lead to steel coil to slip from open mouth side, and the lifting of roll material is very dangerous.

[0003] Therefore, aiming at the above-mentioned hidden danger, we provide a kind of hoisting device for crane production. CONTENT OF UTILITY MODEL

[0004] The utility model is aimed at providing a kind of hoisting device for crane production, solve the security hidden danger problem of the swing, easy unbalanced slippage in the process of steel coil hoisting.

[0005] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of hoisting device for crane production, including crossbeam and the clamping arm oppositely arranged at the both ends of crossbeam, the top end of clamping arm corresponds the height position of crossbeam and is provided with clamping groove, the groove size of clamping groove is adapted to the end size of crossbeam, the bottom end of clamping arm is provided with the hook body of horizontal direction, two groups of driving cylinders are fixedly installed on the crossbeam along horizontal direction and are oppositely arranged, and the telescopic end of two groups of driving cylinders is fixed with the top end of the clamping arm at the both ends of crossbeam respectively, two groups of driving cylinders drive two groups of clamping arms to be collected and spread at the both ends of crossbeam respectively, the top of crossbeam is fixedly connected with platform, the center shaft of vertical direction is installed on the top center of platform through shaft seat, and the center shaft is rotatably connected on upper frame through bearing.

[0006] Preferably, the clamping arm is L-shaped.

[0007] Preferably, the crossbeam, clamping arm and driving cylinder integratedly installed on the platform are rotationally symmetrically distributed.

[0008] Preferably, a large gear disc and a driving gear are respectively arranged in the upper frame, the large gear disc is fixedly sleeved on the center shaft, the large gear disc is engaged with the driving gear, a driving motor is fixedly installed on the upper frame, and the output end of the driving motor is connected with the driving gear and drives the driving gear to rotate in the upper frame.

[0009] Preferably, the shaft seat and the flange seat of the platform are fixedly connected by bolts and nuts. The flange is connected to the bolts of the bolts and nuts. The flange is clamped by the upper and lower nuts on the bolts and nuts. A vertically arranged connecting column is provided on the flange. The connecting column passes through the shaft seat and the flange seat in sequence and is locked and fixed by fastening nuts.

[0010] This utility model has the following beneficial effects:

[0011] 1. This utility model enables the clamping arms to automatically extend and retract at both ends of the crossbeam by setting a crossbeam, clamping arms and drive cylinder. The two sets of extended clamping arms can descend to both ends of the steel coil and then retract to hold the steel coil for hoisting. During the hoisting process, the whole is stable and does not sway left and right, and there is no worry about slippage, so the hoisting is safe.

[0012] 2. By setting a central shaft, bearings and an upper frame, this utility model enables the mechanism integrated on the platform to adjust its direction as the platform rotates.

[0013] 3. This utility model, by setting up a large gear plate, a drive gear and a drive motor, enables the mechanism integrated on the platform to rotate automatically with the platform. Attached Figure Description

[0014] Figure 1 This is a front view of the present utility model;

[0015] Figure 2 This is a schematic diagram of the hoisting of steel coils according to this utility model;

[0016] Figure 3 This is a perspective view of the crossbeam position of this utility model;

[0017] Figure 4 This is a diagram showing the retracted state of the clamping arm at both ends of the crossbeam of this utility model;

[0018] Figure 5 This is a diagram showing the unfolded state of the clamping arm of this utility model at both ends of the crossbeam.

[0019] In the diagram: 1. Crossbeam; 2. Clamping arm; 21. Slot; 22. Hook body; 3. Drive cylinder; 4. Platform; 41. Flange seat; 42. Bolt and nut fasteners; 43. Flange; 431. Connecting column; 44. Fastening nut; 5. Shaft seat; 6. Central shaft; 7. Bearing; 8. Upper frame; 81. Large gear disc; 82. Drive gear; 9. Drive motor. Detailed Implementation

[0020] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments only are a part of embodiments of the utility model, and not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0021] As shown in Figures 1-5 The utility model provides a kind of hoisting device for crane production, including beam 1 and the clamping arm 2 being oppositely arranged at the both ends of beam 1, clamping arm 2 is L type, the top end of clamping arm 2 is set to the height position of beam 1 and is provided with clamping groove 21, the size of groove body of clamping groove 21 is adapted to the size of the end of beam 1, the bottom end of clamping arm 2 is provided with horizontally hook body 22 for inserting into steel coil, two groups of driving cylinders 3 being oppositely arranged are fixedly installed on beam 1 along horizontal direction, and the telescopic end of two groups of driving cylinders 3 is fixed with the top end of clamping arm 2 at the both ends of beam 1 respectively, two groups of driving cylinders 3 drive two groups of clamping arm 2 to retract and expand at the both ends of beam 1 respectively, two groups of clamping arm 2 expand outward at the both ends of beam 1, the distance between the hook body 22 of two groups of clamping arm 2 is larger, to facilitate hook body 22 to drop to the both ends of steel coil, the hook body 22 of clamping arm 2 is inserted into steel coil after retraction, beam 1 is inserted into the clamping groove 21 of clamping arm 2 and supports clamping arm 2, when hoisting steel coil, it can hold steel coil, and the clamping arm 2 holding steel coil is stressed on beam 1;

[0022] Platform 4 is integrated with the beam 1, the clamping arm 2 and the driving cylinder 3, which are distributed in a rotational symmetry, ensuring balance. The top of the beam 1 is fixedly connected to the platform 4. The center of the top of the platform 4 is installed with a vertically distributed central shaft 6 through a shaft seat 5. The central shaft 6 is rotatably connected to an upper frame 8 through a bearing 7. The shaft seat 5 and a flange seat 41 of the platform 4 are fixedly connected through a bolt and nut fastener 42. A flange plate 43 is connected to the bolt of the bolt and nut fastener 42. The flange plate 43 is clamped through the upper and lower nuts of the bolt and nut fastener 42. A connecting column 431 is arranged on the flange plate 43 and is arranged vertically downward. The connecting column 431 passes through the shaft seat 5 and the flange seat 41 in sequence and is locked and fixed through a fastening nut 44. The installation of the bolt and nut fastener 42 and the fastening nut 44 is firm and reliable, and it is convenient to disassemble, maintain and replace other clamps. The adaptability is high, and various types of clamps can be installed.

[0023] A large gear disc 81 and a driving gear 82 are arranged in the upper frame 8 respectively. The large gear disc 81 is fixedly sleeved on the central shaft 6. The large gear disc 81 is engaged with the driving gear 82. A driving motor 9 is fixedly installed on the upper frame 8. The output end of the driving motor 9 is connected to the driving gear 82 and drives the driving gear 82 to rotate in the upper frame 8. The driving motor 9 can control the angle of the clamping arm 2 to be automatically adjusted to the both ends of the steel coil, reducing manual operation and improving safety.

[0024] It is to be understood that the terminology used herein such as first and second, and the like, is only used to distinguish one entity or action from another entity or action, and does not necessarily require or imply any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0025] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A hoisting device for crane production, characterized in that: The device includes a crossbeam (1) and clamping arms (2) arranged opposite to each other at both ends of the crossbeam (1). The top of the clamping arm (2) is provided with a slot (21) at the height position of the crossbeam (1). The size of the slot (21) is adapted to the end size of the crossbeam (1). The bottom of the clamping arm (2) is provided with a horizontal hook (22). Two sets of driving cylinders (3) are fixedly installed on the crossbeam (1) along the horizontal direction. The extension and retraction ends of the two sets of driving cylinders (3) are respectively fixed to the top of the clamping arms (2) at both ends of the crossbeam (1). The two sets of driving cylinders (3) respectively drive the two sets of clamping arms (2) to extend and retract at both ends of the crossbeam (1). The top of the crossbeam (1) is fixedly connected to a platform (4). The top center of the platform (4) is installed with a vertically distributed central shaft (6) through a bearing (5). The central shaft (6) is rotatably connected to the upper frame (8) through a bearing (7).

2. The hoisting device for crane production according to claim 1, characterized in that: The clamp arm (2) is L-shaped.

3. The hoisting device for crane production according to claim 1, characterized in that: The crossbeam (1), clamping arm (2) and drive cylinder (3) integrated on the platform (4) are distributed in a rotationally symmetrical manner.

4. The hoisting device for crane production according to claim 1, characterized in that: A large gear disk (81) and a drive gear (82) are respectively installed inside the upper frame (8). The large gear disk (81) is fixedly mounted on the central shaft (6). The large gear disk (81) meshes with the drive gear (82). A drive motor (9) is fixedly installed on the upper frame (8). The output end of the drive motor (9) is connected to the drive gear (82) and drives the drive gear (82) to rotate inside the upper frame (8).

5. A hoisting device for crane production according to claim 1, characterized in that: The bearing seat (5) and the flange seat (41) of the platform (4) are fixedly connected by bolts and nuts (42). The flange (43) is connected to the bolts of the bolts and nuts (42). The flange (43) is clamped by the upper and lower nuts on the bolts and nuts (42). A vertically downward connecting column (431) is provided on the flange (43). The connecting column (431) passes through the bearing seat (5) and the flange seat (41) in sequence and is locked and fixed by fastening nuts (44).