A magnetic damping device

By designing a magnetic damping device including an outer guard housing, a base, a magnetic base, a magnetoresistive sheet and a strong magnet, the existing magnetic damping device has been solved, and the effects of torque enhancement, volume reduction and manufacturing difficulty reduction are achieved.

CN222702442UActive Publication Date: 2025-04-01JILIN HUASHI ELECTRICAL & MECHANICAL EQUIP MFG
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Patent Information

Application Number
CN202420741263.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-11
Publication Date
2025-04-01
Estimated Expiration
2034-04-11

AI Technical Summary

Technical Problem

The existing magnetic damping devices have problems such as large volume, difficult processing and low strength under the same torque.

Method used

A magnetic damping device including an outer guard housing, a base, a magnetic base, a magnetoresistive sheet and a strong magnet is designed. Through the design of a strong magnetic ring assembly and bearing, torque enhancement, volume reduction and manufacturing difficulty reduction are achieved.

Benefits of technology

The torque is increased under the same volume, the difficulty of production and manufacturing is reduced, and the working strength is improved. The problem of small torque and large volume of existing magnetic damping devices is solved. The device is more stable and has a longer life.

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Abstract

The utility model discloses a magnetic damping device, comprising an outer protective shell, a base, a magnetic base, a magnetic resistance sheet and a strong magnet; wherein the outer protective shell is threadedly connected with the base, bearings are respectively installed in the outer protective shell and the base, a rotating shaft is rotatably installed with the outer protective shell base through bearings, a strong magnetic annular component is arranged in the outer protective shell, the strong magnetic annular component comprises a strong magnet and a magnetic resistance sheet, two groups of strong magnets are arranged, which are respectively arranged at the upper and lower sides of the magnetic resistance sheet, the magnetic resistance sheet is fixedly installed on the rotating shaft, and magnetic bases are arranged at the upper and lower sides of the strong magnetic annular component, and the magnetic base is fixedly installed with the outer protective shell and the base. The magnetic damping device provided by the utility model reduces the volume while increasing the torque, reduces the difficulty of production and manufacturing, improves the working intensity, and optimizes the problems of small torque and large volume existing in the existing magnetic damping device.
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Description

Technical Field

[0001] The utility model relates to the technical field of damper equipment, in particular to a magnetic damping device. Background Art

[0002] The existing magnetic damping devices have the following problems under the same torque: large size, difficult processing and manufacturing, and low strength. Utility Model Content

[0003] The utility model aims to provide a magnetic damping device to solve the problems of large volume, great difficulty in processing and manufacturing, low strength, etc. of the existing magnetic damping device mentioned in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a magnetic damping device, comprising an outer protective shell, a base, a magnetic base, a magnetic resistance sheet and a strong magnet; wherein the outer protective shell is threadedly connected to the base, bearings are respectively installed in the outer protective shell and the base, the rotating shaft is rotatably installed with the outer protective shell base through bearings, the strong magnetic annular component is arranged in the outer protective shell, the strong magnetic annular component comprises a strong magnet and a magnetic resistance sheet, two groups of strong magnets are arranged, respectively arranged on the upper and lower sides of the magnetic resistance sheet, the magnetic resistance sheet is fixedly installed on the rotating shaft, and magnetic bases are arranged on the upper and lower sides of the strong magnetic annular component, and the magnetic base is fixedly installed with the outer protective shell and the base.

[0005] Preferably, the sprocket is installed at the bottom end of the rotating shaft, and the bottom end of the rotating shaft and the sprocket are key-matched.

[0006] Preferably, a fastening screw is provided at the end of the rotating shaft.

[0007] Compared with the prior art, the beneficial effects of the utility model are:

[0008] The magnetic damping device provided by the utility model increases the torque while reducing the volume, reduces the difficulty of production and manufacturing, improves the working intensity, and optimizes the problems of low torque and large volume in the existing magnetic damping device. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0010] Figure 2 It is a schematic diagram of the internal structure of the utility model.

[0011] In the above drawings, there are an outer protective shell 1, a base 2, a sprocket 3, a magnetic base 4, a magnetic resistance sheet 5, a strong magnet 6, a rotating shaft 7, a bearing 8, and a fastening screw 9. DETAILED DESCRIPTION

[0012] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0013] like Figure 1-2 As shown, the utility model includes an outer protective shell 1, a base 2, a sprocket 3, a magnetic base 4, a magnetic resistance sheet 5, a strong magnet 6 and a bearing 8; wherein the outer protective shell 1 is threadedly connected to the base 2, the bearing 8 is respectively installed in the outer protective shell 1 and the base 2, the rotating shaft 7 is rotatably installed with the outer protective shell 1 and the base 2 through the bearing 8, and the strong magnet 6 is formed on the magnetic base 4. The ring array of strong magnets forms a resistance magnetic field; the strong magnetic ring assembly includes a magnetic base 4, a magnetic resistance sheet 5 and a strong magnet 6, and the strong magnet 6 has two groups, upper and lower, which are respectively arranged on the magnetic resistance sheet 5, the magnetic resistance piece 5 is fixedly mounted on the rotating shaft 7, and the magnetic base 4 is fixedly mounted on the outer protective shell 1 and the base 2; the fixed gap between the magnetic resistance piece 5 and the upper and lower strong magnets 6 is ensured by the limit of the end face of the bearing 8; the sprocket 3 is installed to the bottom end of the rotating shaft 7, and the bottom end of the rotating shaft 7 and the sprocket 3 are processed with a key to prevent the rotating shaft 7 and the sprocket 3 from rotating relative to each other; a fastening screw 9 is provided at the end of the rotating shaft 7, and the sprocket 3 is locked on the rotating shaft 7 by the fastening screw 9 to prevent the sprocket 3 from falling off axially.

[0014] The magnetic damping device provided by the utility model has a unique structure and does not generate friction during operation, so the damping is more stable and has a longer service life. The magnet annular array on the magnetic base 4 can form a special magnetic field, and the damping plate will produce hysteresis in the magnetic field, so the rotation of the rotating shaft 7 will form damping.

[0015] The utility model effectively solves the problem of small torque and large volume of existing magnetic damping devices. The utility model has greater torque under the same volume, each mechanism component is simple and easy to process, the manufacturing difficulty is greatly reduced, the overall structure is safer and more reliable, and can work for a long time in complex and harsh environments with high strength.

Claims

1. A magnetic damping device, characterized in that: It includes an outer protective shell, a base, a magnetic base, a magnetic resistance sheet and a strong magnet; The outer protective shell is threadedly connected to the base, bearings are respectively installed in the outer protective shell and the base, the rotating shaft is rotatably installed with the outer protective shell base through bearings, the strong magnetic annular component is arranged in the outer protective shell, the strong magnetic annular component includes a strong magnet and a magnetic resistance sheet, two groups of strong magnets are arranged respectively on the upper and lower sides of the magnetic resistance sheet, the magnetic resistance sheet is fixedly installed on the rotating shaft, and magnetic bases are arranged on the upper and lower sides of the strong magnetic annular component, and the magnetic bases are fixedly installed with the outer protective shell and the base.

2. A magnetic damping device according to claim 1, characterized in that: The sprocket is installed at the bottom end of the rotating shaft, and the bottom end of the rotating shaft and the sprocket are matched with a key having a processed shape.

3. A magnetic damping device according to claim 2, characterized in that: A fastening screw is provided at the end of the rotating shaft.