Lifting mechanism of hoisting equipment

By adopting a combined structure of limit blocks, fastening plates and sliders in the lifting equipment, the problem of disengagement between the wire rope and the lifting reel is solved, and reliable connection and safety of the lifting operation are achieved.

CN223292205UActive Publication Date: 2025-09-02SHANDONG DERUN CRANE MACHINERY CO LTD
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Patent Information

Application Number
CN202422789819.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-15
Publication Date
2025-09-02
Estimated Expiration
2034-11-15

AI Technical Summary

Technical Problem

In existing lifting equipment, the connection between the wire rope and the lifting drum is easily disconnected during long work, resulting in lifting accidents.

Method used

The combination structure of the limiting block and the fastening plate is adopted. Through the design of the limiting groove and rope groove, combined with the sliding connection of the fastening bolts and sliders, the fixing reliability of the wire rope and the lifting reel is enhanced, and the arc-shaped clamps are used to increase the extrusion pressure to prevent disengagement.

Benefits of technology

Improve the connection reliability of the wire rope and the lifting drum, prevent disengagement, and ensure the safety and stability of the lifting operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is applicable to the technical field of hoisting equipment, and provides a hoisting mechanism of hoisting equipment, which comprises a hoisting winding drum and a steel wire rope, the outer wall of the steel wire rope is fixedly connected with a limiting block, the steel wire rope and the limiting block are arranged in a limiting groove and a rope groove, and the limiting groove is used for limiting the position of the limiting block, so that the hoisting winding drum can hoist the hoisting equipment. The fastening plate is installed on the lifting winding drum through the fastening bolt, the limiting block can be limited in the limiting groove through the fastening plate, the limiting block is prevented from being disengaged from the limiting groove, and therefore the steel wire rope is installed on the lifting winding drum, the sliding block slides in the equipment hole, and the fastening plate has a certain moving space in the fastening groove; when the steel wire rope is dragged by a heavy object, the fastening plate extrudes downwards in the fastening groove, the extrusion force of the arc-shaped upper clamping plate on the steel wire rope is increased, and the larger the dragging force is, the larger the extrusion force is, so that reliable connection of the steel wire rope is guaranteed, and convenience and practicability are achieved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of lifting equipment, and in particular relates to a lifting mechanism of lifting equipment. Background Art

[0002] A crane is a multi-action lifting machine capable of vertically lifting and horizontally transporting heavy objects within a certain range. It is also known as an overhead crane, overhead crane, or hoist. The hoist mechanism is a fundamental component of any crane, enabling it to lift and lower objects. The hoist mechanism is driven by a hoist motor through a coupling and a reducer, which in turn drives the hoist drum. This in turn drives the wire rope or cable wound around the drum, raising or lowering the hook assembly. The performance of the hoist mechanism directly impacts the overall crane's operation.

[0003] Most existing connection methods use pressure plates and bolts to squeeze and fix the wire rope on the drum. However, during long-term operation, the wire rope will gradually fall out from under the pressure plate under the drag of heavy objects, and may even cause the wire rope to separate from the lifting drum, causing lifting operation accidents. Utility Model Content

[0004] The utility model provides a lifting mechanism for lifting equipment, which aims to solve the problem that most existing connection methods use pressure plates and bolts to squeeze and fix the wire rope on the drum. During long-term operation, the wire rope will gradually fall out from under the pressure plate under the drag of heavy objects, and may even cause the wire rope to be separated from the lifting drum, resulting in lifting operation accidents.

[0005] The outer wall of the lifting drum is provided with a rope, and the outer wall of the lifting drum is communicated with a rope groove that matches the wire rope, and the rope groove is communicated with the limit groove. The outer wall of the lifting drum is provided with a fastening plate, and the outer wall of the lifting drum is provided with a fastening groove that matches the fastening plate, and the rope groove is connected to the limit groove. The outer wall of the lifting drum is provided with an equipment hole, and the outer wall of the fastening groove is provided with an equipment hole, and the inner wall of the equipment hole is slidably connected with a slider, the outer wall of the slider is threadedly connected with a fastening bolt, and the inner wall of the fastening groove is provided with a threaded hole that matches the fastening bolt, the lower surface of the fastening plate is fixedly connected with an arc upper clamping plate, and the inner wall of the rope groove is fixedly connected with an arc lower clamping plate that matches the arc upper clamping plate.

[0006] Preferably, the fastening plate and the fastening bolts are made of stainless steel.

[0007] Preferably, the inner wall of the arc-shaped upper clamping plate is provided with anti-slip grooves.

[0008] Preferably, the steel wire rope and the limiting block are welded.

[0009] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0010] By placing the wire rope and the limit block in the limit groove and the rope groove, the limit block is limited in position by the limit groove, and the fastening plate is installed on the lifting drum by the fastening bolt. The limit block can be restricted in the limit groove by the fastening plate, preventing the limit block from escaping from the limit groove, so that the wire rope can be installed on the lifting drum, and the slider slides in the equipment hole, so that the fastening plate has a certain movable space in the fastening groove. When the wire rope is dragged by a heavy object, the fastening plate will be squeezed downward in the fastening groove, increasing the squeezing force of the wire rope by the arc-shaped upper splint. The greater the dragging force, the greater the squeezing force, thereby ensuring that the connection of the wire rope is reliable, convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the front cross-sectional structure of the present utility model;

[0013] Figure 3 This is a schematic diagram of the enlarged three-dimensional structure of the fastening plate of the present utility model;

[0014] In the figure: 1. Lifting drum; 2. Wire rope; 3. Limit block; 4. Limit groove; 5. Rope groove; 6. Fastening plate; 7. Fastening groove; 8. Equipment hole; 9. Slider; 10. Fastening bolt; 11. Arc-shaped upper clamping plate. DETAILED DESCRIPTION

[0015] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of the application are only for the purpose of describing specific embodiments and are not intended to limit this application. The terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0016] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0017] The embodiment of the utility model provides a lifting mechanism of a lifting device, such as Figure 1-3 As shown, it includes a lifting drum 1 and a wire rope 2, the outer wall of the wire rope 2 is fixedly connected to the limiting block 3, and the outer wall of the lifting drum 1 is provided with a limiting groove 4 matching the limiting block 3, the outer wall of the lifting drum 1 is connected with a rope groove 5 matching the wire rope 2, and the rope groove 5 is connected to the limiting groove 4, the outer wall of the lifting drum 1 is provided with a fastening plate 6, and the outer wall of the lifting drum 1 is provided with a fastening groove 7 matching the fastening plate 6, the outer wall of the fastening groove 7 is provided with an equipment hole 8, and the inner wall of the equipment hole 8 is slidably connected with a slider 9, the outer wall of the slider 9 is threadedly connected with a fastening bolt 10, and the inner wall of the fastening groove 7 is provided with a threaded hole matching the fastening bolt 10, the lower surface of the fastening plate 6 is fixedly connected with an arc-shaped upper splint 11, and the inner wall of the rope groove 5 is fixedly connected with an arc-shaped lower splint matching the arc-shaped upper splint 11.

[0018] It should be noted that, since most existing connection methods use pressure plates and bolts to squeeze and fix the wire rope on the drum, the wire rope will gradually come out from under the pressure plate under the drag of the heavy object during long-term work, and even cause the wire rope to be separated from the lifting drum, causing a lifting operation accident. Therefore, in order to solve the problem that most existing connection methods use pressure plates and bolts to squeeze and fix the wire rope on the drum, the wire rope will gradually come out from under the pressure plate under the drag of the heavy object during long-term work, and even cause the wire rope to be separated from the lifting drum, causing a lifting operation accident, this solution is to place the wire rope 2 and the limit block 3 in the limit groove 4 and the rope groove 5, The position of the limit block 3 is limited by the limit groove 4, and the fastening plate 6 is installed on the lifting drum 1 by the fastening bolt 10. The limit block 3 can be restricted in the limit groove 4 by the fastening plate 6, preventing the limit block 3 from escaping from the limit groove 4, so that the wire rope 2 is installed on the lifting drum 1, and the slider 9 slides in the equipment hole 8, so that the fastening plate 6 has a certain movable space in the fastening groove 7. When the wire rope 2 is dragged by a heavy object, the fastening plate 6 will be squeezed downward in the fastening groove 7, increasing the squeezing force of the wire rope on the arc-shaped upper splint 11. The greater the dragging force, the greater the squeezing force, thereby ensuring that the connection of the wire rope 2 is reliable, convenient and practical.

[0019] In a further preferred embodiment of the present invention, Figure 1 As shown, the fastening plate 6 and the fastening bolts 10 are made of stainless steel.

[0020] In this embodiment, the fastening plate 6 and the fastening bolts 10 made of stainless steel have good weather resistance, thereby increasing the service life of the fastening plate 6 and the fastening bolts 10 .

[0021] In a further preferred embodiment of the present invention, Figure 3 As shown, the inner wall of the arc-shaped upper clamping plate 11 is provided with anti-slip grooves.

[0022] In this embodiment, the anti-slip grooves increase the friction between the arc-shaped upper clamping plate 11 and the steel wire rope 2, thereby preventing the steel wire rope 2 from slipping between the arc-shaped upper clamping plate 11 and the arc-shaped lower clamping plate.

[0023] In a further preferred embodiment of the present invention, Figure 1 As shown, the steel wire rope 2 and the limit block 3 are welded.

[0024] It should be noted that for the aforementioned embodiments, for simplicity of description, they are all expressed as a series of action combinations. However, those skilled in the art should be aware that the present invention is not limited by the order of the actions described, because according to the present invention, certain steps may be performed in other orders or simultaneously. Secondly, those skilled in the art should also be aware that the embodiments described in this specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

[0025] In the several embodiments provided in this application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely illustrative, such as the division of the above-mentioned units. In actual implementation, there may be other division methods, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the coupling or communication connection between each other shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunications or other forms.

[0026] The units described above as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of these units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0027] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the present invention. Obviously, the embodiments described are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making any creative work are within the scope to be protected by the present invention. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the present invention according to the circumstances without conflict, without making any creative work, so as to obtain different other technical solutions that do not deviate from the concept of the present invention in essence, and these technical solutions also fall within the scope to be protected by the present invention.

Claims

1. A lifting mechanism of a lifting equipment, characterized in that: The invention comprises a lifting drum (1) and a steel wire rope (2), wherein the outer wall of the steel wire rope (2) is fixedly connected to a limiting block (3), and the outer wall of the lifting drum (1) is provided with a limiting groove (4) matching the limiting block (3), the outer wall of the lifting drum (1) is connected to a rope groove (5) matching the steel wire rope (2), and the rope groove (5) is connected to the limiting groove (4), and the outer wall of the lifting drum (1) is provided with a fastening plate (6), and the outer wall of the lifting drum (1) is provided with a fastening plate (6) matching the fastening plate (6) ), the outer wall of the fastening groove (7) is provided with an equipment hole (8), and the inner wall of the equipment hole (8) is slidably connected with a slider (9), the outer wall of the slider (9) is threadedly connected with a fastening bolt (10), and the inner wall of the fastening groove (7) is provided with a threaded hole matching the fastening bolt (10), the lower surface of the fastening plate (6) is fixedly connected with an arc-shaped upper clamping plate (11), and the inner wall of the rope groove (5) is fixedly connected with an arc-shaped lower clamping plate matching the arc-shaped upper clamping plate (11).

2. The lifting mechanism of a lifting equipment according to claim 1, characterized in that: The fastening plate (6) and the fastening bolt (10) are made of stainless steel.

3. The lifting mechanism of a lifting equipment according to claim 1, characterized in that: The inner wall of the arc-shaped upper clamping plate (11) is provided with anti-slip grooves.

4. The lifting mechanism of a lifting equipment according to claim 1, characterized in that: The steel wire rope (2) and the limiting block (3) are welded.