Rapid detection device for skewed slot angle of motor rotor

Abstract

The utility model discloses a motor rotor skewed slot angle rapid detection device which comprises a base, a limiting block, an inner hole guide column, an adjusting rod, a sliding plate, an upper cover, a pointer, a scale line, a lower positioning pin, an upper positioning pin, an arc-shaped block, a locking knob, an adjusting assembly and a measuring assembly. The utility model belongs to the technical field of motor rotor detection, particularly relates to a motor rotor skewed slot angle rapid detection device, and solves the problems that a positioning pin needs to be ceaselessly slid to align to a skewed slot of a rotor for measurement when a conventional rotor detection device is operated, the operation is tedious, and the operation is not rapid, simple and convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to motor rotor detection technical field, and specifically refers to a motor rotor skew slot angle quick detection device. BACKGROUND

[0002] The skew slot of the motor rotor can effectively weaken the harmonic electromotive force generated by the tooth harmonic magnetic field, thereby weakening the additional torque brought by these harmonic magnetic fields and effectively reducing the electromagnetic vibration and noise of the motor.

[0003] After the rotor skew slot is adopted, the fundamental electromotive force induced by the rotor will also be reduced. Different skew slot angles have a greater impact on the performance of the motor. Therefore, strict control of the skew slot angle of the motor rotor is very important. However, the existing rotor detection device needs to continuously slide the positioning pin to align the skew slot of the rotor for measurement during operation, which is complicated and not quick and simple enough. Therefore, there is an urgent need for a motor rotor skew slot angle quick detection device to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model solves the problem that the existing rotor detection device needs to continuously slide the positioning pin to align the skew slot of the rotor for measurement during operation, which is complicated and not quick and simple enough.

[0005] In order to realize the above function, the technical scheme adopted by the utility model is as follows: a motor rotor skew slot angle quick detection device, comprising a base, and a limiting block fixedly arranged on the upper end of the base, wherein the base is provided with an annular groove, and the base is provided with a measuring assembly, wherein the measuring assembly comprises an adjusting rod slidingly arranged in the annular groove and located on one side of the limiting block, an inner hole guide column is fixedly connected to the upper end of the limiting block, an adjusting assembly is arranged on the inner hole guide column, the adjusting assembly comprises a sliding plate slidingly arranged on the inner hole guide column and slidingly connected with the adjusting rod, an upper cover is fixedly connected to the lower end of the sliding plate, and the upper cover is slidingly connected with the inner hole guide column.

[0006] Further, the measuring assembly further comprises a pointer fixedly arranged on the side wall of the adjusting rod, the upper end surface of the base is provided with a scale line matched with the pointer, a plurality of lower positioning pins are arranged in an annular array on the upper end of the limiting block, and a plurality of upper positioning pins are arranged in an annular array on the lower end of the upper cover.

[0007] Further, each group of the upper positioning pins and the lower positioning pins are respectively the same size as the inner and outer ends of the rotor skew slot in the normal state.

[0008] Further, a groove is formed in one side of the sliding plate, the adjusting assembly further comprises an arc-shaped block fixedly arranged in the groove, a locking knob is connected to the arc-shaped block through a pin, a sliding groove is arranged on the adjusting rod, and one end of the locking knob extends into the sliding groove.

[0009] Further, the initial pointing of the pointer to the scale line is 0 degree.

[0010] Further, the upper cover, the limiting block, the lower positioning pin and the upper positioning pin are all made of polytetrafluoroethylene material.

[0011] The utility model discloses the following beneficial effects are obtained by adopting the above structure:

[0012] 1, be equipped with adjusting assembly, the upper cover and the limiting block in the assembly, for clamping and fixing motor rotor, the slide plate is limited sliding on the adjusting lever, drives the upper cover to move down, can realize the purpose of clamping the rotor of different height, and the slide plate is equipped with locking knob for fixing the slide plate simultaneously;

[0013] 2, be equipped with measuring assembly, through the slotted of rotor is put into the assembly in the limiting block upper and lower positioning slightly, rotates the upper cover, aligns different slotted and puts in, the pointer indicates scale value at this time is the rotor slotted angle, to realize the purpose of quick and convenient measurement. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is whole structure schematic diagram of the motor rotor slotted angle quick detection device of the scheme Figure 1 ;

[0015] Figure 2 It is whole structure schematic diagram of the motor rotor slotted angle quick detection device of the scheme Figure 1 ;

[0016] Figure 3 It is partial body structure schematic diagram of the motor rotor slotted angle quick detection device of the scheme;

[0017] Figure 4 It is structure schematic diagram of adjusting assembly in the embodiment;

[0018] Figure 5 It is partial structure schematic diagram of measuring assembly in the embodiment.

[0019] Wherein, 1, base;2, limiting block;3, inner hole guide column;4, adjusting lever;5, slide plate;6, upper cover;7, pointer;8, scale line;9, lower positioning pin;10, upper positioning pin;11, arc block;12, locking knob.

[0020] The accompanying drawings are used to provide further understanding of the utility model, and constitute part of the specification, are used to explain the utility model together with the embodiment of the utility model, and do not constitute the limitation of the utility model. DETAILED DESCRIPTION

[0021] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments; based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0022] Reference Figure 1 And Figure 2 As shown in the drawings, in order to realize the above functions, the technical scheme adopted by the present application is as follows: a motor rotor skew angle rapid detection device, comprising a base 1, and a limiting block 2 fixedly arranged on the upper end of the base 1, the base 1 is provided with an annular groove, the base 1 is provided with a measuring assembly, the measuring assembly comprises an adjusting rod 4 slidingly arranged in the annular groove and located on one side of the limiting block 2, an inner hole guide column 3 is fixedly connected to the upper end of the limiting block 2, the inner hole guide column 3 is provided with an adjusting assembly, the adjusting assembly comprises a sliding plate 5 slidingly arranged on the inner hole guide column 3 and slidingly connected with the adjusting rod 4, the lower end of the sliding plate 5 is fixedly connected with an upper cover 6, and the upper cover 6 is slidingly connected with the inner hole guide column 3, the upper cover 6, the limiting block 2, the lower positioning pin 9 and the upper positioning pin 10 are all arranged by using polytetrafluoroethylene material, the friction coefficient is small, and rotation is facilitated.

[0023] As Figure 2 , Figure 3 And Figure 5 As shown in the drawings, the measuring assembly further comprises a pointer 7 fixedly arranged on the side wall of the adjusting rod 4, the upper end surface of the base 1 is provided with a scale line 8 matched with the pointer 7, the upper end of the limiting block 2 is annularly arranged with three lower positioning pins 9 respectively, and the lower end of the upper cover 6 is annularly arranged with three upper positioning pins 10, in a normal state, each group of upper positioning pins 10 and lower positioning pins 9 are respectively the same as the inner and outer ends of the rotor skew, so that the motor rotor can be fixed, and the initial pointing of the pointer 7 on the scale line 8 is 0 degrees.

[0024] As Figure 4 As shown in the drawings, a groove is formed in one side of the sliding plate 5, the adjusting assembly further comprises an arc-shaped block 11 fixedly arranged in the groove, the arc-shaped block 11 is connected with a locking knob 12 through a pin, and the adjusting rod 4 is provided with a sliding groove, one end of the locking knob 12 extends into the sliding groove.

[0025] In specific use, the user puts the rotor iron core into the inner hole guide column 3, puts the skew into the base 1 limiting block 2 through the lower positioning pin 9, makes the lower positioning pin 9 clamps the rotor skew, pulls the upper cover 6 to the rotor iron core, then rotates the upper cover 6, makes the upper positioning pin 10 on the upper cover 6 accurately inserted into the other skew of the rotor iron core, adjusts the sliding plate 5 on the adjusting rod 4 to clamp the stator according to the thickness of the rotor iron core, and twists the locking knob 12 to lock, the rotor cannot rotate at this time, and the pointer 7 on the adjusting rod 4 indicates the scale value, which is the rotor skew angle.

[0026] It is to be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0027] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the following claims and their equivalents.

[0028] The above description of the present application and its embodiments is not restrictive, and the present application is not limited to the embodiments shown in the drawings. In general, if a person skilled in the art is inspired by the present application, they can design similar structural forms and embodiments without departing from the spirit of the present application, and these should all fall within the scope of the present application.

Claims

1. A motor rotor skew angle rapid detection device, comprising a base (1) and a limiting block (2) fixedly arranged on the upper end of the base (1), characterized in that: The base (1) is provided with an annular groove, the base (1) is provided with a measuring assembly, the measuring assembly comprises an adjusting rod (4) slidingly arranged in the annular groove and located at one side of a limiting block (2), an inner hole guide column (3) is fixedly connected to the upper end of the limiting block (2), an adjusting assembly is arranged on the inner hole guide column (3), the adjusting assembly comprises a sliding plate (5) slidingly arranged on the inner hole guide column (3) and in sliding connection with the adjusting rod (4), an upper cover (6) is fixedly connected to the lower end of the sliding plate (5), and the upper cover (6) is in sliding connection with the inner hole guide column (3).

2. The device for quickly detecting the skew angle of a motor rotor according to claim 1, characterized in that: The measuring assembly further comprises a pointer (7) fixedly arranged on the side wall of the adjusting rod (4), the upper end face of the base (1) is provided with a scale line (8) matched with the pointer (7), a plurality of lower positioning pins (9) are arranged in an annular array on the upper end of the limiting block (2), and a plurality of upper positioning pins (10) are arranged in an annular array on the lower end of the upper cover (6).

3. The device for quickly detecting the skew angle of a motor rotor according to claim 2, characterized in that: In a normal state, the upper positioning pins (10) and the lower positioning pins (9) are respectively the same as the inner and outer end dimensions of the rotor inclined slot.

4. The device for quickly detecting the skew angle of a motor rotor according to claim 1, characterized in that: A recess is formed in one side of the sliding plate (5), the adjusting assembly further comprises an arc-shaped block (11) fixedly arranged in the recess, a locking knob (12) is connected to the arc-shaped block (11) through a pin, a sliding groove is arranged on the adjusting rod (4), and one end of the locking knob (12) extends into the sliding groove.

5. The device for quickly detecting the skew angle of a motor rotor according to claim 2, characterized in that: The initial pointing direction of the pointer (7) on the scale line (8) is 0 degrees.

6. The device for quickly detecting the skew angle of a motor rotor according to claim 1, characterized in that: The upper cover (6), the limiting block (2), the lower positioning pins (9) and the upper positioning pins (10) are all made of polytetrafluoroethylene material.

Images