CN217541776U

CN217541776U - Rotor magnetic pole deflection angle detection tool

Info

Publication number: CN217541776U
Application number: CN202221655333.4U
Authority: CN
Inventors: 时建伟; 常青竹
Original assignee: Sino Galvo Jiangsu Technology Co ltd
Current assignee: Sino Galvo Jiangsu Technology Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-10-04
Anticipated expiration: 2032-06-28

Abstract

The utility model discloses a rotor magnetic pole deflection angle detection tool, which relates to the technical field of rotor detection and comprises a mounting seat, wherein fixed shafts are fixed on the upper surface of the mounting seat, the fixed shafts are provided with two fixed shafts which are symmetrically arranged about the central line of the length direction of the mounting seat, bearings are fixed on the two fixed shafts, a rotor is jointly placed on the bearing between the two fixed shafts, one end of the rotor is fixed with a pin, the axis of the pin is mutually vertical to that of the rotor, one end of the upper surface of the mounting seat is fixed with an angle scale, the angle scale is positioned at one end of the mounting seat close to the pin, and a magnet is fixed on the bottom surface of the mounting seat; the utility model discloses a setting of bearing for the external resistance that the rotor received is less, and when the rotor rotated, the bearing group that two sets of bearings become was fixed with the tangent relative position of rotor, thereby has avoided the detection of magnetic field declination to receive the influence, has improved the accuracy that the magnetic pole deflection angle of rotor detected with this.

Description

Rotor magnetic pole deflection angle detection tool

Technical Field

The utility model belongs to the technical field of the rotor detects, especially relate to a rotor magnetic pole deflection angle detects frock.

Background

The rotor refers to a rotating body supported by a bearing. An object such as an optical disc without a rotating shaft itself may be regarded as a rotor when it employs a rigid connection or an additional shaft; the magnetic poles of the rotor are composed of two parts of a magnetic pole coil and a magnetic pole iron core, and the number of the magnetic poles is 2, 4, 6, 8, 10, 12, 14 … … and the like. The function of which is to generate an excitation magnetic field S, N.

When the magnetic pole of the rotor deflects, the magnetic pole direction of the motor shaft deflects, which is not beneficial to the precision and stability of the motor, so that the magnetic pole of the rotor generally needs to be deflected for angle detection before the rotor is installed.

Along with the wide application of motors, the requirement on the precision of the motors is higher and higher at present, but the traditional detection method is easily influenced by external force to generate deviation when in detection, and the relative position of the rotor and strong magnetism is also easily changed when the rotor rotates, so that the detection precision is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotor magnetic pole deflection angle detects frock through rotor magnetic pole deflection angle detection frock, and it is lower to have solved the precision that traditional detection mode detected, and the lower problem of detection efficiency.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a rotor magnetic pole deflection angle detects frock, which comprises a mounting bas, surface mounting has the fixed axle on the mount pad, the fixed axle is provided with two and two fixed axles and sets up two about mount pad length direction's central line symmetry all be fixed with the bearing on the fixed axle, two the rotor has been placed jointly on the bearing between the fixed axle, rotor one end is fixed with the pin, the axis of pin and the axis mutually perpendicular of rotor, mount pad upper surface one end is fixed with the angle scale, the angle scale is located the one end that the mount pad is close to the pin, the mount pad bottom fixed surface has magnet.

Further, the mounting base bottom surface is installed the mounting, the mounting includes clamp plate and bolt, the clamp plate upper surface supports tightly with the magnet bottom surface, the clamp plate passes through the bolt and is fixed with the mounting base bottom surface.

Further, mount pad upper surface integrated into one piece has the installation ear, the installation ear is provided with two, two the installation ear is located the mount pad both ends respectively, two the joint groove has all been seted up to installation ear upper end, the fixed axle both ends respectively with two joint groove joints on the installation ear.

Furthermore, the angle scale is located on one side, away from the pin, of the mounting lug on one side close to the pin, and the angle scale is fixed to the side wall, away from the pin, of the mounting lug.

Further, first mounting groove and second mounting groove have been seted up to the mount pad bottom surface, first mounting groove and second mounting groove intercommunication, first mounting groove transversely sets up, the vertical setting of second mounting groove, the length direction of first mounting groove is the same with the length direction of mount pad, the axis of fixed axle and the axis homogeneous phase of rotor.

Further, magnet is located first mounting groove and with first mounting groove joint, the length direction of magnet is the same with the length direction of first mounting groove, the length direction of mount pad, the axis of fixed axle and the axis homogeneous phase of rotor, the clamp plate is located the second mounting groove and with second mounting groove joint.

The utility model discloses following beneficial effect has:

1. the utility model discloses a setting of bearing, when the rotor that does not magnetize deflects the direction of magnetic pole under the strong magnetic action of magnet, the external resistance that receives becomes rolling friction under the influence of bearing for the external resistance that receives is less, and when the rotor rotates, the bearing group that two sets of bearings become is fixed with the tangent relative position of rotor, do not take place the offset because of the rotation of rotor, thereby the detection of having avoided the magnetic field declination receives the influence, thereby the accuracy of the magnetic pole deflection angle detection to the rotor has been improved.

2. The utility model discloses a setting of clamp plate fixes magnet in the mount pad bottom to strengthen the stability of being connected of magnet and mount pad, be favorable to the stability of magnet in the use, thereby reduced magnet and taken place to remove when using and lead to the testing result to receive the probability of influence.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a rotor magnetic pole deflection angle detection tool;

FIG. 2 is a schematic structural view of a mounting seat of a rotor magnetic pole deflection angle detection tool;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a mounting base; 11. mounting lugs; 111. a clamping groove; 12. a first mounting groove; 13. a second mounting groove; 2. a fixed shaft; 3. a bearing; 4. a rotor; 5. a pin; 6. an angle scale; 7. a magnet; 8. and (7) pressing a plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Please refer to fig. 1-2, the utility model relates to a rotor magnetic pole deflection angle detects frock, including mount pad 1, surface mounting has fixed axle 2 on mount pad 1, fixed axle 2 is provided with two and two fixed axles 2 about the central line symmetry setting of 1 length direction of mount pad, all be fixed with bearing 3 on two fixed axles 2, rotor 4 has been placed jointly on the bearing 3 between two fixed axles 2, rotor 4 one end is fixed with pin 5, the axis of pin 5 and the axis mutually perpendicular of rotor 4, mount pad 1 upper surface one end is fixed with angle scale 6, angle scale 6 is located mount pad 1 one end near pin 5, mount pad 1 bottom surface is fixed with magnet 7.

Wherein the mount pad 1 is the brass seat that adopts the brass to make, and bearing 3 adopts the not by the bearing of magnetization that does not lead magnetic material to make, and magnet 7 adopts the mark vertebra magnet that is used commonly among the prior art and is applicable to the no magnetic declination of this embodiment, can adopt permanent magnet or electro-magnet etc..

Through the setting of bearing 3, when the rotor 4 that does not magnetize deflects the direction of magnetic pole under the strong magnetic action of magnet 7, the external resistance frictional force that receives becomes rolling friction under the influence of bearing 3, make the external resistance that receives less, and when rotor 4 rotates, the bearing group that two sets of bearings 3 become is fixed with the tangent relative position of rotor 4, do not take place the offset because of rotor 4's rotation, thereby the detection of having avoided the magnetic field declination receives the influence, with this precision of having improved the magnetic pole deflection angle detection of rotor 4.

Wherein, the mounting is installed to 1 bottom surface of mount pad, and the mounting includes clamp plate 8 and bolt, and clamp plate 8 is the nylon plate that adopts the nylon materials to make, and 8 upper surfaces of clamp plate support tightly with 7 bottom surfaces of magnet, and clamp plate 8 passes through the bolt and is fixed with 1 bottom surface of mount pad.

Through the setting of clamp plate 8, fix magnet 7 in mount pad 1 bottom to strengthen magnet 7 and mount pad 1's stability of being connected, be favorable to the stability of magnet 7 in the use, thereby reduced magnet 7 and taken place to remove when using and lead to the probability that the testing result received the influence.

The upper surface of the mounting base 1 is integrally formed with two mounting lugs 11, the two mounting lugs 11 are respectively located at two ends of the mounting base 1, clamping grooves 111 are respectively formed in the upper ends of the two mounting lugs 11, and two ends of the fixed shaft 2 are respectively clamped with the clamping grooves 111 on the two mounting lugs 11; the angle scale 6 is positioned on one side, away from the pin 5, of the mounting lug 11 on one side close to the pin 5, and the angle scale 6 is fixed with the side wall, away from the pin 5, of the mounting lug 11; the bottom surface of the mounting seat 1 is provided with a first mounting groove 12 and a second mounting groove 13, the first mounting groove 12 is communicated with the second mounting groove 13, the first mounting groove 12 is transversely arranged, the second mounting groove 13 is vertically arranged, and the length direction of the first mounting groove 12 is the same as that of the mounting seat 1, the axis of the fixed shaft 2 and the axis of the rotor 4; magnet 7 is located first mounting groove 12 and with first mounting groove 12 joint, the length direction of magnet 7 and the length direction of first mounting groove 12, the length direction of mount pad 1, the axis of fixed axle 2 and the axis of rotor 4 all the same, clamp plate 8 is located second mounting groove 13 and with second mounting groove 13 joint.

One specific application of this embodiment is: in the daily use process, a worker only needs to place the rotor 4 which is not magnetized between the two groups of bearings 3 to ensure that the rotor 4 is tangent to the two groups of bearings 3, at the moment, the rotor 4 which is not magnetized deflects to the direction of a magnetic pole under the strong magnetic action of the magnet 7, and the worker directly judges the magnetic pole deflection angle of the rotor 4 by observing the angle range of the pin 5 on the angle scale 6, so that whether the magnetic pole deflection angle of the rotor 4 meets the requirement or not is known; in the process, when the rotor 4 which is not magnetized deflects to the direction of the magnetic pole under the strong magnetic action of the magnet 7, the external resistance friction force is changed into rolling friction under the influence of the bearing 3, so that the received external resistance is small, and when the rotor 4 rotates, the relative position of a bearing group formed by two groups of bearings 3 and the tangent position of the rotor 4 are fixed, the position deviation does not occur due to the rotation of the rotor 4, the detection of the magnetic field deflection angle is prevented from being influenced, and the accuracy of the detection of the magnetic pole deflection angle of the rotor 4 is improved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended to aid in the description of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, thereby enabling others skilled in the art to best understand the invention and its practical application. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a rotor magnetic pole deflection angle detects frock, includes mount pad (1), its characterized in that: fixed shaft (2) are fixed to mount pad (1) upper surface, fixed shaft (2) are provided with two and two fixed shaft (2) and set up about mount pad (1) length direction's central line symmetry, two all be fixed with bearing (3) on fixed shaft (2), two rotor (4) have been placed jointly on bearing (3) between fixed shaft (2), rotor (4) one end is fixed with pin (5), the axis of pin (5) and the axis mutually perpendicular of rotor (4), mount pad (1) upper surface one end is fixed angle scale (6), angle scale (6) are located mount pad (1) one end that is close to pin (5), mount pad (1) bottom surface is fixed with magnet (7).

2. The tool for detecting the deflection angle of the magnetic pole of the rotor according to claim 1, wherein a fixing piece is installed on the bottom surface of the installation seat (1), the fixing piece comprises a pressing plate (8) and a bolt, the upper surface of the pressing plate (8) is tightly abutted to the bottom surface of the magnet (7), and the pressing plate (8) is fixed to the bottom surface of the installation seat (1) through the bolt.

3. The tool for detecting the deflection angle of the magnetic pole of the rotor according to claim 2, wherein two mounting lugs (11) are integrally formed on the upper surface of the mounting base (1), the two mounting lugs (11) are respectively located at two ends of the mounting base (1), clamping grooves (111) are respectively formed in the upper ends of the two mounting lugs (11), and two ends of the fixing shaft (2) are respectively clamped with the clamping grooves (111) in the two mounting lugs (11).

4. The rotor magnetic pole deflection angle detection tool according to claim 3, wherein the angle scale (6) is located on one side, away from the pin (5), of the mounting lug (11) on one side close to the pin (5), and the angle scale (6) is fixed to the side wall, away from the pin (5), of the mounting lug (11).

5. The tool for detecting the deflection angle of the magnetic pole of the rotor is characterized in that a first installation groove (12) and a second installation groove (13) are formed in the bottom surface of the installation seat (1), the first installation groove (12) is communicated with the second installation groove (13), the first installation groove (12) is transversely arranged, the second installation groove (13) is vertically arranged, and the length direction of the first installation groove (12) is identical to the length direction of the installation seat (1), the axis of the fixed shaft (2) and the axis of the rotor (4).

6. The rotor magnetic pole deflection angle detection tool according to claim 5, wherein the magnet (7) is located in the first mounting groove (12) and is clamped with the first mounting groove (12), the length direction of the magnet (7) is identical to the length direction of the first mounting groove (12), the length direction of the mounting seat (1), the axis of the fixed shaft (2) and the axis of the rotor (4), and the pressing plate (8) is located in the second mounting groove (13) and is clamped with the second mounting groove (13).