CN113012918B - Auxiliary installation device for centering installation of permanent magnet component - Google Patents

Auxiliary installation device for centering installation of permanent magnet component Download PDF

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Publication number
CN113012918B
CN113012918B CN202110208981.9A CN202110208981A CN113012918B CN 113012918 B CN113012918 B CN 113012918B CN 202110208981 A CN202110208981 A CN 202110208981A CN 113012918 B CN113012918 B CN 113012918B
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China
Prior art keywords
centering
permanent magnet
rod
cover
magnetic conduction
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CN202110208981.9A
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Chinese (zh)
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CN113012918A (en
Inventor
张聪
韦东垚
张赤兵
章林柯
刘渊之
杨磊
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Wuhan University of Technology WUT
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Wuhan University of Technology WUT
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Publication of CN113012918A publication Critical patent/CN113012918A/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Abstract

The invention discloses an auxiliary installation device for centering installation of a permanent magnet component, which comprises: the centering device comprises a cylinder type shell, a centering cover, an upper centering rod, a lower centering rod, an upper rotating nut, a middle rotating nut and a lower rotating nut. The cylinder type shell is a through cylinder-shaped structure, the centering cover is fixed at the top end of the cylinder type shell, and the centering cover and the cylinder type shell are surrounded to form an installation cavity. The outer wall of the upper centering rod is provided with an external thread which penetrates through the centering cover, the upper rotating nut and the middle rotating nut are in threaded connection with the upper centering rod, the upper rotating nut is located outside the mounting cavity, and the middle rotating nut is located inside the mounting cavity. The outer wall of the lower centering rod is also provided with an external thread, and the lower rotating nut is in threaded connection with the lower centering rod. The permanent magnet part comprises the magnetizer and the permanent magnet, and in the existing installation process, because the permanent magnet part is unsupported, the magnetizer and the permanent magnet are attracted into a whole, the assembly part cannot move, and the device solves the problem.

Description

Auxiliary installation device for centering installation of permanent magnet component
Technical Field
The invention relates to a mounting device of an electromagnetic actuator, in particular to an auxiliary mounting device for centering and mounting a permanent magnet part.
Background
Permanent magnet components are used in many devices, such as electromagnetic actuators, permanent magnet motors, etc., where electromagnetic actuators are important devices for active control of vibrations by applying a control force to an object to change the vibrational response of the system.
The shafting of the ship is the main equipment for power transmission, the main machine and the propeller are effectively connected to form a complete power system, and the axial thrust generated by the propeller can enable the ship to normally run. When the phenomena of uneven main machine force transmission, incapability of centering moment and installation, inaccurate material processing and the like occur to the shafting, the shafting can generate an unbalanced state and generate rotary vibration. Severe rotational vibration may cause excessive bending stress of the shaft system, which may cause the shaft system to break, and thus human life is jeopardized. Therefore, the electromagnetic actuator is used for controlling the longitudinal vibration of the shafting, and the longitudinal vibration of the shafting is reduced.
When the electromagnetic actuator is installed, when a middle rotor (containing a permanent magnet) in the electromagnetic actuator is assembled inside a shell (a coil and a magnetic conduction outer wall), if the center line of the rotor and the center line of the magnetic conduction outer wall deviate, large eccentric suction force can be generated, and the assembly is difficult to control. Accordingly, there is a need for a mounting device for an electromagnetic actuator or other auxiliary mounting device that includes permanent magnetic components.
Disclosure of Invention
The invention aims to provide an auxiliary mounting device for centering and mounting a permanent magnet component, which solves the problem that the assembly of the permanent magnet component is difficult to control, can ensure that the permanent magnet component can be centered and mounted in the mounting process and is convenient to mount the permanent magnet component.
In order to achieve the above object, the present invention provides an auxiliary mounting device for centering and mounting a permanent magnet component, the auxiliary mounting device is used for mounting the permanent magnet component in a magnetic conductive outer shell, a main rod is fixed at a central axis of the permanent magnet component, a top end of the main rod is mounted at a center of an upper end cover of the magnetic conductive outer shell, a bottom end of the main rod is mounted at a center of a lower end cover of the magnetic conductive outer shell, and thread grooves are respectively arranged at a top and a bottom of the main rod. This supplementary installation device contains: the cylindrical shell is of a through cylindrical structure, the upper end cover and the permanent magnet component of the magnetic conduction shell are positioned in the cylindrical shell, a shoulder is arranged on the inner wall of the bottom end of the cylindrical shell, the magnetic conduction shell is arranged in the cylindrical shell, and the outer wall of the bottom end of the magnetic conduction shell is clamped and abutted to the shoulder; the middle cover is fixed at the top end of the cylindrical shell and surrounds the cylindrical shell to form a mounting chamber, and a through hole is formed in the center of the middle cover; the outer wall of the upper centering rod is provided with an external thread which passes through the through hole of the centering cover, and the bottom end of the upper centering rod is in threaded connection with the thread groove at the top of the main rod; the outer wall of the lower centering rod is provided with an external thread which passes through the center of the lower end cover of the magnetic conduction shell, and the top end of the lower centering rod is in threaded connection with a threaded groove at the bottom of the main rod; the upper centering rod is in threaded connection with the upper centering rod, is positioned outside the mounting cavity and is used for adjusting and fixing the position of the upper centering rod in the cylindrical shell; the middle rotating nut is in threaded connection with the upper centering rod, is positioned in the mounting cavity and is used for fixing the upper end cover of the magnetic conduction shell on the top of the magnetic conduction shell; and the lower rotating nut is in threaded connection with the lower centering rod, is positioned outside the mounting cavity and is used for fixing the magnetic conduction shell on the cylindrical shell.
Preferably, the centering cover is fixed to the cartridge type housing by bolts.
Preferably, the centering cover is provided with an opening.
The auxiliary mounting device for centering and mounting the permanent magnet component solves the problem that the assembly of the permanent magnet component is difficult to control, and has the following advantages:
the auxiliary installation device aims at the permanent magnet part and comprises a stator and a rotor, wherein the stator or the rotor is respectively a magnetizer and a permanent magnet or a permanent magnet and a magnetizer. The auxiliary mounting device has the advantages that the upper centering rod is matched with the lower centering rod, the upper centering rod and the centering cover are used for assisting in fixing the main rod and the rotor of the permanent magnet component in the middle of the cylindrical shell to play a supporting role, the rotor is prevented from being adsorbed with the magnetic conduction shell during assembly, the cylindrical shell plays a role in fixing the magnetic conduction shell, the rotor is always in the center line position, the rotor moves downwards under the action of gravity and downward electromagnetic force suction force by rotating the rotating nut, and finally centering assembly is achieved.
Drawings
Fig. 1 is a schematic structural diagram of an auxiliary mounting device for centering and mounting a permanent magnet component according to the invention.
Fig. 2 is a schematic structural view of the centering cover of the present invention.
Fig. 3 is a cross-sectional view of a cartridge housing of the present invention.
Fig. 4 is a top view of a cartridge housing of the present invention.
Fig. 5 is a schematic view of the use of the auxiliary mounting device for centering permanent magnet parts according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
An auxiliary installation device for centering installation of a permanent magnet component is disclosed, and referring to fig. 1, the auxiliary installation device is used for installing the permanent magnet component in a magnetic conduction shell, a main rod is fixed at the central axis of the permanent magnet component, the top end of the main rod is installed at the center of an upper end cover of the magnetic conduction shell, the bottom end of the main rod is installed at the center of a lower end cover of the magnetic conduction shell, and threaded grooves are formed in the centers of the top end and the bottom end of the main rod; this supplementary installation device contains: a cartridge housing 10, a centering cap 20, an upper centering rod 30, a lower centering rod 40, an upper swivel nut 50, a middle swivel nut 60, and a lower swivel nut 70. The cartridge-type housing 10 is a through cylindrical structure, the centering cap 20 is fixed at the top end of the cartridge-type housing 10, and the centering cap 20 and the cartridge-type housing 10 are enclosed to form an installation chamber. The outer wall of the upper centering rod 30 is provided with external threads which penetrate through the centering cover 20, the upper rotating nut 50 and the middle rotating nut 60 are in threaded connection with the upper centering rod 30, the upper rotating nut 50 is located outside the installation cavity, and the middle rotating nut 60 is located inside the installation cavity (after the permanent magnet component is installed in place, the upper end cover of the magnetic conduction shell is pressed tightly, so that the upper end cover is located and fixed conveniently). The outer wall of the lower centering rod 40 also has external threads thereon, and a lower swivel nut 70 is threaded onto the lower centering rod 40.
The centering cover 20 is fixed to the cartridge type housing 10 by bolts, and an opening is provided in the centering cover 20.
The bottom end of the upper centering rod 30 is in threaded connection with the thread groove at the center of the top end of the main rod.
The top end of the lower centering rod 40 is in threaded connection with the thread groove in the center of the bottom end of the main rod.
The inner wall of the bottom end of the cylindrical shell 10 is provided with a shoulder, the bottom end of the outer wall of the magnetic conduction shell for installing the permanent magnet component is clamped against the shoulder, the lower centering rod 40 penetrates through the bottom end of the magnetic conduction shell, and the magnetic conduction shell is fixed on the cylindrical shell 10 through the lower rotating nut 70.
The invention discloses a using method of an auxiliary mounting device for centering and mounting a permanent magnet component, which comprises the following specific steps:
referring to fig. 2, during assembly, the upper end cap 1, the main rod 2, the compression spring 3 and the mover 4 of the electromagnetic actuator are mounted together and placed in the cylindrical housing 10, the bottom end of the upper centering rod 30 is inserted and fixed in a bearing at the center of the upper end cap 1, the mover 4 is located at the center line position in fig. 2, and the external thread at the lower end of the upper centering rod 30 is in threaded connection with the internal thread groove at the top end of the main rod 2.
Install electromagnetic actuator's magnetic conduction shell 5, lower extreme cover 6, base 7 and compression spring together to in magnetic conduction shell 5 arranged cylinder shell 10, support lower extreme cover 6 card at the circular bead department of cylinder shell 10 bottom inner wall, the bearing at the centre bore of base 7 and lower extreme cover 6 center is passed to centering rod 40 down, and the external screw thread on centering rod 40 top and the internal thread groove threaded connection of mobile jib 2 bottom will descend.
Rotating swivel nut 50, transferring mobile jib 2, upper end cover 1, compression spring 3 and active cell 4, move down under 4 gravity of active cell and the effect of decurrent electromagnetic attraction (produced by magnetic conduction shell 5), finally reach lower end cover 6 department, stretch into from the opening on the centering lid 20, swivel nut 60 and nut 70 again, press from both sides tight actuator, the electromagnetic actuator of refastening, the centering assembly is realized to the last fixed electromagnetic actuator upper end cover.
The upper centering rod 30 and the centering cover 20 are used for assisting in fixing the main rod 2 and the rotor 4 of the electromagnetic actuator in the middle of the cylindrical shell 10, so that the rotor 4 and the magnetic conduction shell 5 are prevented from being adsorbed together during assembly, and the cylindrical shell 10 plays a role in fixing the magnetic conduction shell 5.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.

Claims (3)

1. An auxiliary mounting device for centering and mounting a permanent magnet component is characterized in that the auxiliary mounting device is used for mounting the permanent magnet component in a magnetic conduction shell, a main rod is fixed at the central axis of the permanent magnet component, the top end of the main rod is mounted at the center of an upper end cover of the magnetic conduction shell, the bottom end of the main rod is mounted at the center of a lower end cover of the magnetic conduction shell, and thread grooves are formed in the top and the bottom of the main rod; this supplementary installation device contains:
the cylindrical shell (10) is of a through cylindrical structure, the upper end cover and the permanent magnet component of the magnetic conduction shell are positioned in the cylindrical shell, the inner wall of the bottom end of the cylindrical shell is provided with a shoulder, when the cylindrical shell is installed, the magnetic conduction shell is arranged in the cylindrical shell, and the lower end cover is clamped and abutted to the shoulder of the inner wall of the bottom end of the cylindrical shell;
the middle cover (20) is fixed at the top end of the cylindrical shell (10), is surrounded with the cylindrical shell (10) to form a mounting chamber, and is provided with a through hole in the center;
the outer wall of the upper centering rod (30) is provided with external threads, the external threads penetrate through the through hole of the centering cover (20), and the bottom end of the upper centering rod is in threaded connection with the thread groove at the top of the main rod;
the outer wall of the lower centering rod (40) is provided with an external thread, when the lower centering rod is installed, the magnetic conduction shell, the lower end cover, the base and the compression spring are installed together, the lower centering rod (40) penetrates through a center hole of the base and a bearing in the center of the lower end cover, and the external thread at the top end of the lower centering rod (40) is in threaded connection with the internal thread groove at the bottom end of the main rod (2);
an upper rotating nut (50) which is screwed on the upper centering rod (30) and is positioned outside the mounting cavity and used for adjusting and fixing the position of the upper centering rod (30) in the cylindrical shell (10);
the middle rotating nut (60) is in threaded connection with the upper centering rod (30), is positioned in the mounting cavity and is used for fixing the upper end cover of the magnetic conduction shell on the top of the magnetic conduction shell; and
and the lower rotating nut (70) is in threaded connection with the lower centering rod (40) and is positioned outside the mounting cavity, and when the rotor reaches the lower end cover during mounting, the middle rotating nut (60) and the lower rotating nut (70) are rotated again to clamp the actuator.
2. Auxiliary mounting device for the centered mounting of permanent magnet components according to claim 1, characterised in that the centering cover (20) is fixed with the barrel housing (10) by means of bolts.
3. Auxiliary mounting device for the centered mounting of permanent magnet components according to claim 1, characterised in that the centering cover (20) is provided with an opening.
CN202110208981.9A 2021-02-24 2021-02-24 Auxiliary installation device for centering installation of permanent magnet component Active CN113012918B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110208981.9A CN113012918B (en) 2021-02-24 2021-02-24 Auxiliary installation device for centering installation of permanent magnet component

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110208981.9A CN113012918B (en) 2021-02-24 2021-02-24 Auxiliary installation device for centering installation of permanent magnet component

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CN113012918A CN113012918A (en) 2021-06-22
CN113012918B true CN113012918B (en) 2022-07-12

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201331994Y (en) * 2009-01-06 2009-10-21 中国人民解放军国防科学技术大学 Installation component for permanent magnet
US8919748B2 (en) * 2010-01-28 2014-12-30 Keihin Corporation Active antivibration device and manufacturing method for the same
CN207475363U (en) * 2017-08-24 2018-06-08 重庆众泰汽车工业有限公司 A kind of middle-size and small-size assembling tooling for permanent magnet motor
CN108023448A (en) * 2018-01-16 2018-05-11 上海衡拓液压控制技术有限公司 The rimless direct drive motor rotor assembly toolings of EHA
CN111224519A (en) * 2019-12-02 2020-06-02 西安航天动力测控技术研究所 Assembly tool and method for large-size permanent magnet synchronous direct current motor

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