Electric permanent magnet lifting appliance for lifting

By introducing a sliding seat and a bidirectional screw structure into the lifting electro-permanent magnet lifting device, the problem of difficult adjustment of the permanent magnet block position is solved, enabling flexible adaptation and stable lifting of different materials, and simplifying the disassembly and assembly of the equipment.

CN223674116UActive Publication Date: 2025-12-16SHANDONG ZHONGCI TECH DEV CO LTD
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Patent Information

Application Number
CN202520107739.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2025-12-16
Estimated Expiration
2035-01-17

AI Technical Summary

Technical Problem

Existing electro-permanent magnet lifting devices have limitations in adapting to different material shapes and sizes. The position of the permanent magnet blocks is difficult to adjust flexibly, leading to unbalanced forces and affecting lifting stability and workpiece safety.

Method used

A structure including a lifting beam, a sliding seat, a bidirectional screw, and a fixing component was designed. The position of the permanent magnet block can be flexibly adjusted through the cooperation of the slider and the locking block. The connection of the threaded sleeve and the semi-ring facilitates the disassembly, assembly, and maintenance of the lifting device.

Benefits of technology

It enables the lifting device to flexibly adapt to materials of various shapes and sizes, reduces material damage caused by unbalanced forces, improves lifting stability, simplifies the disassembly and assembly process of the lifting device, and shortens equipment downtime.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of electric permanent magnet lifting appliances, and discloses a lifting electric permanent magnet lifting appliance which comprises a lifting beam, a sliding seat is connected to the outer wall of the lifting beam in a sliding mode, an installation shell is fixedly connected to the bottom of the sliding seat, a permanent magnet block is arranged in the installation shell, a two-way screw rod is rotationally connected to the interior of the sliding seat, and the two-way screw rod is fixedly connected to the bottom of the sliding seat. A handle is fixedly connected to one end of the bidirectional screw rod, a sliding block is slidably connected into the hanging beam, a fixing assembly is arranged on the outer wall of the bidirectional screw rod and used for fixing the sliding block, and a limiting assembly is arranged in the sliding block and used for limiting the bidirectional screw rod. And the top of the sliding seat is fixedly connected with a connecting piece, and the outer wall of the connecting piece is rotationally connected with a lifting chain. According to the utility model, materials with various shapes and sizes can be flexibly adapted, the application range is widened, and material damage or unstable hoisting caused by unbalanced stress is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electric permanent magnet lifting appliance technical field especially relates to a hoist electric permanent magnet lifting appliance. BACKGROUND

[0002] With the continuous development of industrial production, hoisting equipment has been widely used in steel processing, logistics transportation and mechanical manufacturing fields. Hoist electric permanent magnet lifting appliance has important application value in these fields due to its high efficiency, energy saving and strong safety. This equipment realizes the adsorption and lifting of metal workpieces through electric permanent magnet technology, which can effectively improve production efficiency and reduce the safety risk of manual operation.

[0003] The existing hoist electric permanent magnet lifting appliance usually adopts fixed structure design, and the position of permanent magnet block and the overall structure of lifting appliance are relatively fixed, which is suitable for materials of specific shape and size. In order to meet the needs of workpieces of different shapes and sizes, some lifting appliances realize adaptability by increasing additional devices or using multiple sets of lifting appliances, but this will lead to the complication of equipment structure and increase the investment cost of enterprises. In addition, the operation of some equipment in lifting appliance disassembly and maintenance is complicated, which affects the production efficiency.

[0004] However, the existing hoist electric permanent magnet lifting appliance still has limitations in adapting to different material shapes and sizes. Due to the difficulty in flexible adjustment of the position of permanent magnet block, when lifting special-shaped workpieces or large-size materials, unbalanced stress phenomenon is easy to occur, which leads to the problems of workpiece damage or unstable lifting. SUMMARY

[0005] In order to make up for the above shortcomings, the utility model provides a hoist electric permanent magnet lifting appliance, which aims to improve the problem that the position of permanent magnet block of lifting appliance is difficult to adjust flexibly, unbalanced stress phenomenon is easy to occur, which leads to the problems of workpiece damage or unstable lifting.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: a hoist electric permanent magnet lifting appliance, comprising a lifting beam, a sliding seat is slidably connected to the outer wall of the lifting beam, an installation shell is fixedly connected to the bottom of the sliding seat, a permanent magnet block is arranged in the installation shell, a bidirectional screw rod is rotatably connected in the sliding seat, a handle is fixedly connected to one end of the bidirectional screw rod, a sliding block is slidably connected in the lifting beam, a fixing assembly is arranged on the outer wall of the bidirectional screw rod, the fixing assembly is used for fixing the sliding block, a limiting assembly is arranged in the sliding block, the limiting assembly is used for limiting the bidirectional screw rod, an adapter is fixedly connected to the top of the sliding seat, and a lifting chain is rotatably connected to the outer wall of the adapter.

[0007] The fixing assembly comprises a clamping block, the clamping block is threadedly connected to the outer wall of the bidirectional screw rod, and a clamping hole is formed in the lifting beam.

[0008] Further, the limiting assembly comprises a bearing, the outer ring of the bearing is fixedly connected in the inner part of the sliding block, the inner ring of the bearing is fixedly connected to the outer wall of the bidirectional screw rod, and the outer wall of the clamping block is fixedly connected with a limiting block.

[0009] Further, one end of the hanging chain is rotationally connected with a connecting piece, the outer wall of the connecting piece is fixedly connected with a connecting seat, the inner part of the connecting seat is rotationally connected with a movable block, the outer wall of the movable block is fixedly connected with a fixed half ring, one end of the fixed half ring is attached with a movable half ring, the outer wall of the fixed half ring is provided with a connecting assembly, and the connecting assembly is used for connecting and fixing the movable half ring.

[0010] Further, the connecting assembly comprises a threaded sleeve, the inner part of the threaded sleeve is rotationally connected to the outer wall of the fixed half ring, and the outer walls of the fixed half ring and the movable half ring are all provided with external threads.

[0011] Further, the outer wall of the limiting block is slidably connected in the inner part of the sliding block, and the limiting block is used for limiting the movement of the clamping block.

[0012] Further, the outer wall of the clamping block is slidably connected in the inner part of the sliding block and the hanging beam, and the clamping block is used for fixing the sliding block.

[0013] Further, the outer wall of the clamping block is slidably connected in the inner part of the clamping hole, and the clamping hole is used for limiting the clamping block.

[0014] Further, the handle is arranged on one side of the sliding seat, and the handle is used for driving the bidirectional screw rod to rotate.

[0015] The utility model has the advantages of the following beneficial effects:

[0016] 1. In the utility model, first, the fixed half ring drives the bearing to rotate the bidirectional screw rod in the inner part of the sliding block, then cooperates with the limiting block, makes the clamping block slide in the inner part of the sliding block and the clamping hole, and then realizes the fixing and release of the sliding seat, and then can adjust the outer wall of the installation shell and the permanent magnet block, so that various shapes and sizes of materials can be flexibly adapted, the application range is improved, and material damage or unstable lifting caused by unbalanced stress is reduced.

[0017] 2. In the utility model, first, the threaded sleeve is rotated on the outer wall of the fixed half ring and the movable half ring, then cooperates with the external thread to realize the fixing and release between the movable half ring and the fixed half ring, and then the lifting appliance can be conveniently disassembled, so that the damaged parts can be quickly disassembled and replaced or repaired, and the equipment downtime is shortened. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1This is a three-dimensional structural diagram of a lifting electro-permanent magnet lifting device proposed in this utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of the lifting beam of a lifting electro-permanent magnet lifting device proposed in this utility model;

[0020] Figure 3 This is a schematic diagram of the internal structure of the slider of a lifting electro-permanent magnet lifting device proposed in this utility model;

[0021] Figure 4 This is a schematic diagram of one side of the connecting component of a lifting electro-permanent magnet lifting device proposed in this utility model.

[0022] Legend:

[0023] 1. Lifting beam; 2. Sliding seat; 3. Mounting housing; 4. Permanent magnet; 5. Slider; 6. Handle; 7. Double-acting screw; 8. Bearing; 9. Locking block; 10. Locking hole; 11. Connecting piece; 12. Lifting chain; 13. Connecting piece; 14. Connecting seat; 15. Movable block; 16. Fixed half ring; 17. Limiting block; 18. Threaded sleeve; 19. Movable half ring; 20. External thread. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Reference Figure 1 - Figure 3 An embodiment of this utility model provides a lifting electro-permanent magnet lifting device, including a lifting beam 1, a sliding seat 2 slidably connected to the outer wall of the lifting beam 1, a mounting housing 3 fixedly connected to the bottom of the sliding seat 2, a permanent magnet block 4 disposed inside the mounting housing 3, a bidirectional screw 7 rotatably connected inside the sliding seat 2, a handle 6 fixedly connected to one end of the bidirectional screw 7, a slider 5 slidably connected inside the lifting beam 1, a fixing component disposed on the outer wall of the bidirectional screw 7 for fixing the slider 5, a limit component disposed inside the slider 5 for limiting the bidirectional screw 7, a connecting piece 11 fixedly connected to the top of the sliding seat 2, and a lifting chain 12 rotatably connected to the outer wall of the connecting piece 11.

[0026] The fixed assembly comprises a clamping block 9, the inside of the clamping block 9 is threadedly connected to the outer wall of the bidirectional screw rod 7, the inside of the hanging beam 1 is provided with a clamping hole 10, the limiting assembly comprises a bearing 8, the outer ring of the bearing 8 is fixedly connected to the inside of the sliding block 5, the inner ring of the bearing 8 is fixedly connected to the outer wall of the bidirectional screw rod 7, and the outer wall of the clamping block 9 is fixedly connected with a limiting block 17.

[0027] With reference to Figure 1 And Figure 4 One end of the hanging chain 12 is rotatably connected with a connecting piece 13, the outer wall of the connecting piece 13 is fixedly connected with a connecting seat 14, the inside of the connecting seat 14 is rotatably connected with a movable block 15, the outer wall of the movable block 15 is fixedly connected with a fixed half ring 16, one end of the fixed half ring 16 is attached with a movable half ring 19, and the outer wall of the fixed half ring 16 is provided with a connecting assembly, the connecting assembly is used for connecting and fixing the movable half ring 19, the connecting assembly comprises a threaded sleeve 18, the inside of the threaded sleeve 18 is rotatably connected to the outer wall of the fixed half ring 16, the outer walls of the fixed half ring 16 and the movable half ring 19 are provided with external threads 20, the outer wall of the limiting block 17 is slidably connected to the inside of the sliding block 5, the limiting block 17 is used for limiting the movement of the clamping block 9, the outer wall of the clamping block 9 is slidably connected to the inside of the sliding block 5 and the hanging beam 1, the clamping block 9 is used for fixing the sliding block 5, the outer wall of the clamping block 9 is slidably connected to the inside of the clamping hole 10, the clamping hole 10 is used for limiting the clamping block 9, and the handle 6 is arranged on one side of the sliding seat 2, and the handle 6 is used for driving the bidirectional screw rod 7 to rotate.

[0028] Working principle: when the lifting electric permanent magnet lifting device needs to be used, first rotate the handle 6, and support the bidirectional screw rod 7 in the sliding block 5 through the bearing 8 positioning, so that the two clamping blocks 9 in the sliding block 5 move in opposite directions through the threaded relationship between the clamping block 9 and the bidirectional screw rod 7, when the clamping block 9 moves to the inside of the sliding block 5, the sliding seat 2 can be pulled to slide on the outer wall of the hanging beam 1, at the same time, the sliding block 5 can slide in the fixed hanging beam 1, so as to adjust the position of the installation shell 3 and the permanent magnet block 4, and adapt to different sizes of steel plates, when fixed, the handle 6 is reversely driven to drive the bidirectional screw rod 7 to rotate, and the clamping block 9 is repositioned in the clamping hole 10 to realize the adjustment of the installation shell 3 and the permanent magnet block 4.

[0029] In addition, the threaded sleeve 18 is driven to rotate on the outer wall of the movable half ring 19 and the fixed half ring 16, and the threaded sleeve 18 is driven to move on the outer wall of the fixed half ring 16 and the movable half ring 19 through cooperation of the external threads 20, when the threaded sleeve 18 moves to the outer wall of the fixed half ring 16, the movable half ring 19 can be removed, at this time, the movable half ring 19 can be pulled out of the cable to realize quick disassembly.

[0030] It should be explained finally: above only is the preferred embodiment of the utility model and is not used for limiting the utility model, although the utility model has been explained in detail with reference to foregoing embodiment, for the skilled person in the art, it still can modify the technical scheme recorded in foregoing each embodiment or make equivalent replacement to part technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model should be contained in the protection scope of the utility model.

Claims

1. A lifting electro-permanent magnetic spreader comprising a spreader beam (1), characterized in that: The outer wall of the hanging beam (1) is slidably connected with a sliding seat (2), the bottom of the sliding seat (2) is fixedly connected with a mounting shell (3), the inside of the mounting shell (3) is provided with a permanent magnet block (4), the inside of the sliding seat (2) is rotatably connected with a bidirectional screw rod (7), one end of the bidirectional screw rod (7) is fixedly connected with a handle (6), the inside of the hanging beam (1) is slidably connected with a sliding block (5), the outer wall of the bidirectional screw rod (7) is provided with a fixing assembly, the fixing assembly is used for fixing the sliding block (5), the inside of the sliding block (5) is provided with a limiting assembly, the limiting assembly is used for limiting the bidirectional screw rod (7), the top of the sliding seat (2) is fixedly connected with a connecting piece (11), the outer wall of the connecting piece (11) is rotatably connected with a hanging chain (12). The fixing assembly comprises a clamping block (9), the inside of the clamping block (9) is threadedly connected with the outer wall of the bidirectional screw rod (7), and the inside of the hanging beam (1) is provided with a clamping hole (10).

2. The lifting electro-permanent magnetic spreader according to claim 1, characterized in that: The limiting assembly comprises a bearing (8), the outer ring of the bearing (8) is fixedly connected with the inside of the sliding block (5), the inner ring of the bearing (8) is fixedly connected with the outer wall of the bidirectional screw rod (7), and the outer wall of the clamping block (9) is fixedly connected with a limiting block (17).

3. The lifting electro-permanent magnetic spreader according to claim 1, characterized in that: One end of the hanging chain (12) is rotatably connected with a connecting piece (13), the outer wall of the connecting piece (13) is fixedly connected with a connecting seat (14), the inside of the connecting seat (14) is rotatably connected with a movable block (15), the outer wall of the movable block (15) is fixedly connected with a fixed half ring (16), one end of the fixed half ring (16) is attached with a movable half ring (19), the outer wall of the fixed half ring (16) is provided with a connecting assembly, and the connecting assembly is used for connecting and fixing the movable half ring (19).

4. The lifting electro-permanent magnetic spreader according to claim 3, characterized in that: The connecting assembly comprises a threaded sleeve (18), the inside of the threaded sleeve (18) is rotatably connected with the outer wall of the fixed half ring (16), and the outer walls of the fixed half ring (16) and the movable half ring (19) are provided with external threads (20).

5. The lifting electro-permanent magnetic spreader according to claim 2, characterized in that: The outer wall of the limiting block (17) is slidably connected with the inside of the sliding block (5), and the limiting block (17) is used for limiting the movement of the clamping block (9).

6. The lifting electro-permanent magnetic spreader according to claim 2, characterized in that: The outer wall of the clamping block (9) is slidably connected with the inside of the sliding block (5) and the hanging beam (1), and the clamping block (9) is used for fixing the sliding block (5).

7. The lifting electro-permanent magnetic spreader according to claim 2, characterized in that: The outer wall of the clamping block (9) is slidably connected with the inside of the clamping hole (10), and the clamping hole (10) is used for limiting the clamping block (9).

8. The lifting electro-permanent magnetic spreader according to claim 2, characterized in that: The handle (6) is arranged on one side of the sliding seat (2), and the handle (6) is used for driving the bidirectional screw rod (7) to rotate.