CN217083649U

CN217083649U - Rotor aluminum strip detection device

Info

Publication number: CN217083649U
Application number: CN202123092258.3U
Authority: CN
Inventors: 范曦文; 李晓思; 蒋耀; 孙振泉
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Landa Compressor Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Landa Compressor Co Ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-07-29
Anticipated expiration: 2031-12-09

Abstract

The utility model relates to the technical field of electric machine, concretely relates to rotor aluminium bar detection device, this rotor aluminium bar detection device includes drive rotor pivoted pivot, one side of pivot is equipped with stator gauge head subassembly, stator gauge head subassembly includes a plurality of iron core pieces, the scarce groove has been seted up to the iron core piece, each iron core piece aligns range upon range of, it aligns the scarce groove mouth way after aligning, the notch way can align with the standard chute angle of the rotor that awaits measuring, be equipped with the magnet in the notch way, the magnet is towards the notch way, around the line that receives that has the response electromotive force ability on the range upon range of iron core piece, the directional magnet of line that receives, this rotor aluminium bar detection device can be accurate, judge whether the chute angle of rotor aluminium bar and the plumpness of rotor aluminium bar accord with the production standard fast.

Description

Rotor aluminum strip detection device

Technical Field

The utility model relates to the technical field of electric machines, concretely relates to rotor aluminium strip detection device.

Background

In the production of a motor rotor, an iron core is required to be punched with a chute, whether the angle of the rotor chute meets the requirement or not is judged mainly by manual naked eyes at present, and the quality accident of abnormal angle of the rotor chute is frequent due to the imprecise manual detection. In addition, because the rotor is made of cast aluminum, the rotor may generate air gaps, and therefore, the plumpness of the rotor needs to be detected manually, but the detection still depends on manual work at present.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to avoid the weak point among the prior art and provide a rotor aluminium strip detection device, this rotor aluminium strip detection device can judge the chute angle of rotor aluminium strip and whether the plumpness of rotor aluminium strip accords with production standard accurately, fast.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a rotor aluminium bar detection device, includes drive rotor pivoted pivot, one side of pivot is equipped with stator gauge head subassembly, stator gauge head subassembly includes a plurality of iron core pieces, iron core piece has seted up the scarce groove, and each iron core piece aligns range upon range of, and its scarce groove after aligning becomes the notch way, the notch way can align with the standard chute angle of the rotor that awaits measuring, be equipped with the magnet in the notch way, the magnet orientation the notch way, around there being the line of receipt of response electromotive force on the range upon range of iron core piece, it is directional to receive the line magnet.

In some embodiments, a frame is arranged between the rotating shaft and the notch channel, scales are engraved on the frame, the scales are provided with pointers, one end of each pointer points to the corresponding scale, the other end of each pointer is fixedly connected with the end of the stator measuring head assembly, and the pointers drive the stator measuring head assemblies to rotate so as to adjust the inclination angles of the notch channel.

In some embodiments, the pointer is located in front of the slot way, and the length direction of the pointer is the same as the length direction of the slot way.

In some embodiments, the stator probe assembly further includes a cylinder housing, the core piece is fixed in the cylinder, the slot is located on one end face of the cylinder, and the cylinder is mounted on an angle rotation mechanism.

In some embodiments, the angle rotating mechanism comprises a base, an arc groove surface is arranged on the base, the side surface of the cylinder shell is placed on the arc groove surface, a bearing is fixedly connected to the other end surface of the cylinder, the bearing, the cylinder shell and the pointer are connected in a linkage mode, and a rotating locking piece is arranged on the bearing.

In some embodiments, the rotating locking piece includes a fixing sleeve fixedly connected to the end face of the cylindrical housing and sleeved outside the rotating shaft, and a pin is inserted into the fixing sleeve, and the pin penetrates through the fixing sleeve and can be inserted into the side face of the bearing.

In some embodiments, the outer end of the bearing is provided with a knob.

In some embodiments, a cylinder is connected to the base, and the cylinder drives the stator probe assembly to move closer to or away from the rotor to be measured.

In some embodiments, a drive motor is coupled to the shaft.

The utility model relates to a rotor aluminium strip detection device's beneficial effect:

(1) the rotor aluminum strip detection device of the utility model judges whether the chute of the rotor aluminum strip meets the standard and whether the rotor aluminum strip has an air gap or not by utilizing the induced electromotive force change generated by the cutting action of the magnetic induction line of the magnet and the chute of the rotor aluminum strip to be detected according to the relevant principle of electromagnetism; if the rotor aluminum strip to be measured meets the standard, the maximum induced electromotive force is generated when the closed conductor vertically cuts the magnetic induction line, and the maximum voltage is obtained at the moment; if the chute of the rotor aluminum strip to be tested does not meet the standard or the rotor has air gaps, the magnetic induction line is not cut vertically, the generated induced electromotive force is reduced, the collected induced electromotive force is processed by a linear fitting method in the mathematical field, a test oscillogram is obtained and analyzed, whether the chute angle of the rotor aluminum strip is qualified or not is calculated, and the saturation of the rotor aluminum strip is determined.

(2) The utility model discloses a rotor aluminium strip detection device need not artifical judgement, can accurately, judge fast whether the chute angle of rotor aluminium strip and the plumpness of rotor aluminium strip accord with production standard, avoid artifical judgement error, be suitable for large-scale production and use.

Drawings

Fig. 1 is a front view of a rotor aluminum bar detection apparatus of an embodiment.

Fig. 2 is a side view of the rotor aluminum bar detection apparatus of the embodiment.

Fig. 3 is a working state diagram of the pointer and the scale of the embodiment.

Fig. 4 is a diagram of the working states of the core plate, the slot track, the magnet and the receiving wire in the measuring head assembly of the rotor and the stator to be measured.

Reference numerals

A rotating shaft 1; a stator probe assembly 2; an iron core plate 3; a notch 4; a notch passage 5; a magnet 6; a receiving line 7; a frame 8; scales 9; a pointer 10; a cylindrical shell 11; a base 12; an arc-shaped groove surface 13; a bearing 14; a fixing sleeve 15; a pin 16; a knob 17; a cylinder 18; a drive motor 19; a rotor 20 to be tested; a chute 21.

Detailed Description

Preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present invention have been illustrated in the accompanying drawings, it is to be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, the first information may also be referred to as second information, and similarly, the second information may also be referred to as first information, without departing from the scope of the present invention. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

The rotor aluminum strip detection device disclosed in the present embodiment, as shown in fig. 1 to fig. 4, includes a rotating shaft 1 for driving a rotor to rotate, and a stator measuring head assembly 2 is disposed on one side of the rotating shaft 1. Fig. 4 shows, stator gauge head subassembly 2 includes a plurality of iron core pieces 3, iron core piece 3 has seted up scarce groove 4, and each iron core piece 3 aligns range upon range of, and it aligns scarce groove 4 becomes notch way 5, notch way 5 can align with the standard chute 21 angle of the rotor 20 that awaits measuring, be equipped with magnet 6 in the notch way 5, magnet 6 orientation notch way 5 is around having the receiving wire 7 of induced electromotive force on the range upon range of iron core piece 3, receiving wire 7 is directional magnet 6.

Thereby adopt iron core piece 3 to laminate and constitute slot way 5, this slot way 5 is convenient for the line of magnetic induction in magnet 6 and is transmitted to the chute 21 of the rotor 20 aluminium strip that awaits measuring to take place the cutting effect with chute 21, receive line 7 then gathers the change state of line of magnetic induction.

In this embodiment, as shown in fig. 1 to fig. 3, a frame 8 is disposed between the rotating shaft 1 and the notch channel 5, a scale 9 is carved on the frame 8, the scale 9 is provided with a pointer 10, one end of the pointer 10 points to the scale 9, the other end of the pointer is fixedly connected to the end of the stator gauge head assembly 2, and the pointer 10 drives the stator gauge head assembly 2 to rotate so as to adjust the inclination angle of the notch channel 5. Because the pointer 10 is fixed on the stator measuring head component 2, the measuring head component can be driven to move by moving the pointer 10, so that the inclination angle of the notch channel 5 is adjusted, the inclination angle of the notch channel 5 is the same as the angle of the standard chute 21 of the rotor 20 to be measured, and the chute 21 of the stator to be measured, which is not in accordance with the standard, of the rotor 20 to be measured can be conveniently judged subsequently; due to the combination of the pointer 10 and the scale 9, the inclination angle of the notch channel 5 can be accurately and quickly adjusted, and the detection convenience is improved.

In this embodiment, as shown in fig. 2, the pointer 10 is located in front of the notch 5, and the length direction of the pointer 10 is the same as the length direction of the notch 5.

In this embodiment, as shown in fig. 1-2, the stator probe assembly 2 further includes a cylinder housing 11, the core sheet 3 is fixed in the cylinder, the notch 5 is located on one end surface of the cylinder, and the cylinder is mounted on the angle rotating mechanism. When the device is used, the notch channel 5 can be rotated by rotating the cylinder, so that the inclination angle of the notch channel 5 can be conveniently adjusted.

In this embodiment, as shown in fig. 1-2, the angle rotating mechanism includes a base 12, an arc groove surface 13 is provided on the base 12, a side surface of the cylinder housing 11 is placed on the arc groove surface 13, a bearing 14 is fixedly connected to another end surface of the cylinder, the bearing 14, the cylinder housing 11 and the pointer 10 are linked, and the bearing 14 is provided with a rotating locking member. When the device is used, the cylinder shell 11 can be rotated through the rotating bearing 14, and the pointer 10 is fixed on the cylinder shell 11, so that the pointer 10 is driven to rotate, and the inclination angle of the notch channel 5 is convenient to adjust.

In this embodiment, as shown in fig. 1-2, the rotary locking member includes a fixing sleeve 15 sleeved outside the rotating shaft 1 and fixedly connected to the end surface of the cylindrical housing 11, a pin 16 is inserted into the fixing sleeve 15, and the pin 16 penetrates through the fixing sleeve 15 and can be inserted into the side surface of the bearing 14. When the device is used, the pin 16 is pulled out, namely the rotating shaft 1 rotates, the pointer 10 can be adjusted at the same time, the inclination angle of the notch channel 5 can be adjusted, and the rotating shaft 1 can be fixed by inserting the pin 16, so that the notch channel 5 is prevented from swinging.

In this embodiment, as shown in fig. 1-2, the outer end of the bearing 14 is provided with a knob 17, and the knob 17 is convenient for rotating the rotating shaft 1.

In this embodiment, as shown in fig. 2, an air cylinder 18 is connected to the base 12, and the air cylinder 18 drives the stator probe assembly 2 to approach or move away from a rotor 20 to be measured. The distance of the stator measuring head component 2 is driven by the air cylinder 18, so that the measuring component is convenient to move, and the convenience of detection is improved.

In this embodiment, as shown in fig. 2, the rotating shaft 1 is connected to a driving motor 19. The driving motor 19 is used for driving the rotating shaft 1 to rotate, thereby driving the rotor 20 to be measured to rotate.

Example 2

The embodiment discloses a detection method of a rotor aluminum strip, and as shown in fig. 1 to 4, the detection method of the rotor aluminum strip detection device described in embodiment 1 is adopted, and includes the following steps:

s1, inserting the rotor 20 to be tested on the rotating shaft 1, and enabling the notch channel 5 of the stator side head assembly to face the side face of the rotor 20 to be tested;

s2, adjusting the inclination angle of the notch channel 5 in the stator side head assembly to align the notch channel with the standard chute 21 of the rotor 20 to be measured;

s3, connecting the receiving wire 7 to a signal receiver, driving the rotating shaft 1 to rotate and driving the rotor 20 to be tested to rotate;

s4, cutting the magnetic induction line generated by the magnet 6 in the iron chip 3 and the chute 21 in the rotor 20 to be measured, and collecting the induced electromotive potential energy generated by the cutting of the magnetic induction line by the rotor 20 to be measured by the receiving line 7;

and S5, statistically analyzing the collected induced electromotive potential energy, outputting a detection result, and judging the abnormal conditions of the angle and the plumpness of the rotor aluminum strip chute 21 according to the detection result.

The collected induced electromotive force is processed by a linear fitting method in the mathematical field to obtain and analyze a test oscillogram, and whether the angle of the chute 21 of the rotor aluminum bar is qualified or not is calculated according to the test oscillogram and the saturation of the rotor is determined, so that simultaneous detection is realized.

Finally, it should be noted that the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a rotor aluminium strip detection device which characterized by: including driving rotor pivoted pivot, one side of pivot is equipped with stator gauge head subassembly, stator gauge head subassembly includes a plurality of iron core pieces, the iron core piece has been seted up and has been lacked the groove, and each iron core piece aligns range upon range of, and its lacked groove after aligning becomes the notch way, the notch way can align with the standard chute angle of the rotor that awaits measuring, be equipped with the magnet in the notch way, the magnet orientation the notch way, around having the line of receipt of response electromotive force on the range upon range of iron core piece, the line of receipt is directional the magnet.

2. The rotor aluminum bar detection device of claim 1, wherein: a frame is arranged between the rotating shaft and the notch channel, scales are carved on the frame, the scales are provided with pointers, one end of each pointer points to the corresponding scale, the other end of each pointer is fixedly connected with the end part of the stator measuring head assembly, and the pointers drive the stator measuring head assemblies to rotate so as to adjust the inclination angle of the notch channel.

3. The rotor aluminum bar detection device of claim 2, wherein: the pointer is positioned in front of the notch channel, and the length direction of the pointer is the same as that of the notch channel.

4. The rotor aluminum bar detection device of claim 3, wherein: the stator measuring head assembly further comprises a cylinder shell, the iron chip is fixed in the cylinder, the notch channel is located on one end face of the cylinder, and the cylinder is installed on the angle rotating mechanism.

5. The rotor aluminum bar detection device of claim 4, wherein: the angle rotating mechanism comprises a base, an arc groove face is arranged on the base, the side face of the cylinder shell is placed on the arc groove face, a bearing is fixedly connected to the other end face of the cylinder, the bearing is connected with the cylinder shell and the pointer in a linkage mode, and a rotating locking piece is arranged on the bearing.

6. The rotor aluminum bar detection device of claim 5, wherein: the rotating locking piece comprises a fixing sleeve which is sleeved on the outer side of the rotating shaft and fixedly connected with the end face of the cylindrical shell, a pin is inserted into the fixing sleeve, and the pin penetrates through the fixing sleeve and can be inserted into the side face of the bearing.

7. The rotor aluminum bar detection device of claim 6, wherein: the outer end of the bearing is provided with a knob.

8. The rotor aluminum bar detection device of claim 5, wherein: the base is connected with an air cylinder, and the air cylinder drives the stator measuring head assembly to be close to or far away from the rotor to be measured.

9. The rotor aluminum bar detection device of claim 1, wherein: the rotating shaft is connected with a driving motor.