Induction detection tool

Abstract

The utility model relates to the technical field of motor production detection, in particular to an induction detection tool. Comprising a rotating assembly, an inner circle fixing seat rotationally connected to one end of the rotating assembly and used for being connected with the inner diameter face of the stator, and an outer circle fixing assembly arranged above the inner circle fixing seat and used for being connected with the outer diameter face of the stator. The rotating assembly comprises a rotating shaft, an outer cover arranged on the periphery of the rotating shaft, a plurality of bearings arranged between the rotating shaft and the outer cover, and fasteners fixedly connected between the bearings and the outer cover. The outer circle fixing assembly comprises a connecting base concentric with the rotating shaft, a plurality of fixing supports arranged on the periphery of the connecting base, a connecting plate arranged at the ends of the fixing supports and a limiting plate arranged on one side of the connecting plate. The induction detection tool has the advantages of being high in detection precision, good in stability and firmness, wide in application range, simple in structure, convenient to disassemble and assemble and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor production detection technical field especially relates to a kind of inductive detection tooling. BACKGROUND

[0002] The basic structure of motor is composed of stator, rotor, end cover, bearing and winding etc., and the performance of stator and rotor etc. needs to be detected during motor assembly to ensure normal use of motor.

[0003] Chinese patent CN211824545U discloses a motor stator winding inner diameter inspection tooling, which comprises an inner circle fixed seat and an outer circle fixed seat arranged concentrically. An annular connecting plate is arranged on the inner surface of the outer circle fixed seat. A plurality of strip-shaped connecting plates are evenly distributed along the circumferential direction of the inner circle fixed seat between the annular connecting plate and the upper surface of the inner circle fixed seat. A rotating handle support seat is movably connected to the inner circle fixed seat. A rotating handle is movably connected to the rotating handle support seat, and the length of the rotating handle is greater than the outer diameter of the outer circle fixed seat. The motor stator winding inner diameter inspection tooling is arranged in the center of the stator, and the rotating handle of the motor stator winding inner diameter inspection tooling is in contact with the surface of the stator inner core. Since a specific size of rotating handle is selected, the inner diameter size of the stator winding can be inspected to determine whether it meets the requirements. At the same time, the motor stator winding inner diameter inspection tooling can also be used to detect the insulation degree between the stator windings.

[0004] However, the technical solution needs to be manually rotated by handle, and manual operation may have errors, which may result in low measurement accuracy. Moreover, different handles need to be replaced for different size stators, which increases the use cost and operation complexity. UTILITY MODEL CONTENTS

[0005] The utility model aims at the deficiencies of prior art, and provides an inductive detection tooling. The outer circle fixed assembly and the inner circle fixed seat are rotated by the rotating assembly, which avoids manual operation and ensures stable and firm stator and the accuracy of detection structure.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] An inductive detection tooling comprises a rotating assembly, an inner circle fixed seat connected to the inner diameter surface of the stator at one end of the rotating assembly, and an outer circle fixed assembly arranged above the inner circle fixed seat and connected to the outer diameter surface of the stator.

[0008] Preferably, the rotating assembly comprises a rotating shaft, an outer cover arranged on the outer periphery of the rotating shaft, a plurality of bearings arranged between the rotating shaft and the outer cover, and a fastener fixedly connected between the bearings and the outer cover.

[0009] Preferably, one end of the outer cover is fixedly connected with the outer circular fixing assembly.

[0010] Preferably, the outer circular fixing assembly comprises a connecting seat concentrically arranged with the rotating shaft, a plurality of fixing supports arranged at the outer periphery of the connecting seat, a connecting plate arranged at the end of the fixing support, and a limiting plate arranged at one side of the connecting plate.

[0011] Preferably, the fixing supports are distributed in a radial manner.

[0012] Preferably, a reinforcing rib is arranged between adjacent fixing supports.

[0013] Preferably, the limiting plate is arc-shaped, and the diameter of the limiting plate is matched with the outer diameter of the stator.

[0014] Preferably, the bottom of the rotating shaft is rotatably connected with the inner circular fixing seat.

[0015] Preferably, the inner circular fixing seat is annular, and a plurality of connecting ribs are arranged in a radial manner in the inner circular fixing seat.

[0016] Preferably, the outer diameter of the inner circular fixing seat is matched with the inner diameter of the stator.

[0017] The utility model discloses the beneficial effect lies in:

[0018] (1) the utility model discloses a bearing adds the structure of rotating shaft and drives the rotation of stator, avoids the error and low -efficiency problem of manual measurement, and the inner circular fixing seat and the outer circular fixing assembly combination use can ensure the stability of tooling in the detection process, thereby improve the reliability of detection result, and the stator of installation is rotated, passes through the magnetic inductive principle, and the induced voltage will be produced in the winding of permanent magnet or other magnetic field source, and then the value on the detection instrument is observed whether change, when voltage value changes, then has the break, contrarily, then has no break, and the outer circular fixing assembly can also detect whether the outer diameter of stator meets the use demand, and the whole process operation is simple, and convenient to use.

[0019] (2) the utility model discloses that the limiting plate is directly abutted on the outer diameter surface of stator, and the limiting plate is arc-shaped, increases the contact area between stator, makes stator not easily deviate in the rotation process, and the stability is better, further guarantees the detection accuracy.

[0020] (3) the utility model discloses that the inner circular fixing seat is internally provided with a plurality of connecting ribs that are distributed in a radial manner, which can strengthen the stability of the inner circular fixing seat, and in combination with the plurality of reinforcing ribs on the outer circular fixing seat, the structure of the entire tooling is more stable and firm, can bear stators of different weights, and has a wide range of applications.

[0021] In conclusion, the utility model has the advantages of high detection precision, good stability and firmness, wide application range, simple structure, convenient disassembly and assembly and the like. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 It is a schematic diagram of the whole structure of the utility model;

[0023] Fig. 2 It is a top view of the utility model;

[0024] Fig. 3 It is a component exploded view of the utility model. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0027] EMBODIMENT

[0028] As Figs. 1-3As shown, the embodiment provides a sensing detection tool, which comprises: a rotating assembly 1, an inner circle fixing seat 2 rotatably connected at one end of the rotating assembly 1 for connecting the inner diameter surface of the stator, and an outer circle fixing assembly 3 arranged above the inner circle fixing seat 2 for connecting the outer diameter surface of the stator, which can quickly connect the inner diameter surface and the outer diameter surface of the stator, avoids the error and low efficiency problems of manual measurement, and the combination of the inner circle fixing seat 2 and the outer circle fixing assembly 3 can ensure the stability of the tool during the detection process, thereby improving the reliability of the detection result.

[0029] Wherein, the installed stator is rotated, and through the magnetic induction principle, the permanent magnet or other magnetic field source will generate an induced voltage in the winding, and then the value on the detection instrument is observed whether it will change, when the voltage value changes, there is a break, otherwise there is no break, and the outer circle fixing assembly 3 can also detect whether the outer diameter of the stator meets the use requirement.

[0030] Meanwhile, the rotating assembly 1 comprises: a rotating shaft 11, an outer cover 12 arranged on the outer periphery of the rotating shaft 11, a plurality of bearings 13 arranged between the rotating shaft 11 and the outer cover 12, and a fastener 14 fixedly connected between the bearings 13 and the outer cover 12, the fastener 14 is preferably a bolt, and the bearings 13 are preferably two arranged at the upper and lower ends of the outer cover 12, and the bearings 13 are fixedly arranged in the outer cover 12, which has a simple structure, is convenient to disassemble and assemble, and has a low use cost.

[0031] In the embodiment, one end of the outer cover 12 is fixedly connected with the outer circle fixing assembly 3, and the outer circle fixing assembly 3 comprises: a connecting seat 31 concentrically arranged with the rotating shaft 11, a plurality of fixed supports 32 arranged on the outer periphery of the connecting seat 31, a connecting plate 33 arranged at the end of the fixed support 32, and a limiting plate 34 arranged on one side of the connecting plate 33, the stator is further fixed through the limiting plate 34, so that it will not deviate during the rotating detection and affect the result, and the accuracy of the detection result is ensured.

[0032] In the embodiment, the position of the connecting plate 33 on the fixed support 32 is adjustable, that is, the connecting plate 33 can slide on the fixed support 32 to adapt to the stators with different outer diameters, and the application range is wide.

[0033] In the embodiment, the fixed supports 32 are radially distributed, and reinforcing ribs 35 are arranged between adjacent fixed supports 32, which further ensure the overall stability of the fixed supports 32, so that the structure of the tool is more compact, and the stability and firmness are good.

[0034] In the embodiment, the limiting plate 34 is arc-shaped, and the diameter of the limiting plate 34 is matched with the outer diameter of the stator, so that the force receiving area between the limiting plate 34 and the outer wall of the stator is increased, and the stability of the stator is further ensured.

[0035] In the embodiment, the bottom of the rotating shaft 11 is rotationally connected with the inner circular fixing seat 2, and the inner circular fixing seat 2 is annular, so that the stator can be quickly installed on the inner circular fixing seat 2, the installation efficiency is high, and the detection efficiency is improved.

[0036] Of course, the inner circular fixing seat 2 is internally provided with a plurality of connecting ribs 21 which are distributed in a radial manner, the connecting ribs 21 can strengthen the stability and firmness of the inner circular fixing seat 2, so that the inner circular fixing seat 2 can bear a heavier stator, and the intersection of the connecting ribs 21 is fixedly connected with the end of the rotating shaft 11, that is, the rotating shaft 11 drives the inner circular fixing seat 2 to rotate.

[0037] In addition, the outer diameter of the inner circular fixing seat 2 is matched with the inner diameter of the stator, so that the stator can be smoothly installed on the inner circular fixing seat 2.

[0038] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A sensing detection fixture, characterized in that, include: The rotating assembly, the inner circle fixing seat rotatably connected to one end of the rotating assembly for connecting the inner diameter surface of the stator, and the outer circle fixing assembly disposed above the inner circle fixing seat for connecting the outer diameter surface of the stator.

2. The inductive detection fixture according to claim 1, characterized in that, The rotating assembly includes: a rotating shaft, an outer cover disposed on the outer periphery of the rotating shaft, a plurality of bearings disposed between the rotating shaft and the outer cover, and fasteners fixedly connected between the bearings and the outer cover.

3. The inductive detection fixture according to claim 2, characterized in that, One end of the outer cover is fixedly connected to the outer circle fixing component.

4. The inductive detection fixture according to claim 3, characterized in that, The outer circle fixing assembly includes: a connecting seat concentrically arranged with the rotating shaft, a plurality of fixing brackets arranged on the outer periphery of the connecting seat, a connecting plate arranged at the end of the fixing brackets, and a limiting plate arranged on one side of the connecting plate.

5. The inductive detection fixture according to claim 4, characterized in that, The fixed supports are distributed radially.

6. The inductive detection fixture according to claim 4, characterized in that, Reinforcing ribs are provided between adjacent fixed supports.

7. The inductive detection fixture according to claim 4, characterized in that, The limiting plate is arc-shaped, and its diameter is adapted to the outer diameter of the stator.

8. The inductive detection fixture according to claim 2, characterized in that, The bottom of the rotating shaft is rotatably connected to the inner circular fixing seat.

9. The inductive detection fixture according to claim 8, characterized in that, The inner circular fixing seat is annular, and several connecting ribs are arranged radially inside it.

10. The inductive detection fixture according to claim 8, characterized in that, The outer diameter of the inner circular fixing seat is adapted to the inner diameter of the stator.

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