Stator coil inspection device

Abstract

The utility model discloses a stator coil inspection device. The stator coil inspection device comprises a supporting arm; the radial dimension inspection group comprises an inner inspection rod and an outer inspection rod which are arranged on one side, facing the stator coil, of the supporting arm at an interval; the inner inspection rod is suitable for being in contact with the inner hole wall of the stator coil, and the outer inspection rod is suitable for being in contact with the outer side wall of the stator coil; the axial height inspection group comprises a positioning block which is arranged at one side end, facing the stator coil, of the supporting arm and a sliding block which is arranged beside the positioning block; the sliding block is suitable for partially sliding to the side end, facing the stator coil, of the positioning block through linear motion. The positioning assembly is used for being in running fit with the supporting arm and at least comprises a fixing base suitable for being inserted into an inner hole of the stator iron core and a connecting shaft used for connecting the fixing base and the supporting arm. And when the fixed seat is internally fixed in the inner hole of the stator iron core, the connecting shaft is positioned on the central axis of the stator iron core. According to the utility model, the efficiency and the accuracy of the radial and axial dimension inspection of the stator coil can be improved at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor detection technical field especially, relates to a stator winding inspection device. BACKGROUND

[0002] The stator winding in motor stator assembly needs to detect its size in the production process, and specifically needs to detect its inner diameter size, outer diameter size and axial height, for the motor stator of fixed size, the corresponding parameter of stator winding also has the standard value of determination, and the parameter of detected stator winding is compared with the standard value, and whether the motor stator corresponding stator winding meets the standard can be judged.

[0003] Based on the above requirement, the technical means commonly used in the prior art is that manual vernier caliper is used to measure the inner diameter size, outer diameter size and axial height of the stator winding.

[0004] First, the vernier caliper itself is a general measuring tool, and the surface directly contacts the surface of the stator winding, which has the risk of scratching the stator enameled wire.

[0005] Second, manual measurement has certain subjectivity and error, so the test result may have certain deviation.

[0006] Third, the vernier caliper needs to be adjusted many times in the manual measurement process, so the test efficiency is relatively low.

[0007] In summary, based on the many problems existing in the current motor stator winding inspection method, the inspection process needs to be optimized. UTILITY MODEL CONTENTS

[0008] The utility model aims at providing a kind of stator winding inspection device to solve the technical problem of improving the efficiency and accuracy of radial and axial size inspection of stator winding simultaneously.

[0009] The stator winding inspection device of the utility model is realized as follows:

[0010] A kind of stator winding inspection device, comprising:

[0011] Support arm;

[0012] Radial size inspection group, it includes the inner inspection rod and outer inspection rod of intervally being located at the side of support arm towards stator winding;The inner inspection rod is suitable for being contacted with the inner hole wall of stator winding, and the outer inspection rod is suitable for being contacted with the outer side wall of stator winding;

[0013] An axial height inspection group, which comprises a positioning block arranged at one side end of the stator coil towards the support arm and a sliding block arranged at the side of the positioning block; the sliding block is adapted to partially slide to one side end of the positioning block towards the stator coil through linear motion;

[0014] A positioning assembly for rotationally cooperating with the support arm; the positioning assembly at least comprises a fixing seat adapted to be inserted into the inner hole of the stator core and a connecting shaft for connecting the fixing seat and the support arm; when the fixing seat is fixedly arranged in the inner hole of the stator core, the connecting shaft is located on the central axis of the stator core.

[0015] In the optional implementation of the utility model, the end face of the part of the support arm provided with the movable slot towards the stator coil is protruded from the end face of the part of the support arm provided with the positioning block towards the stator coil.

[0016] In the optional implementation of the utility model, the movable slot adapted to the sliding of the sliding block is arranged in the support arm along the radial direction of the stator coil.

[0017] In the optional implementation of the utility model, the movable slot comprises an upper slot body and a lower slot body which are arranged along the axial direction of the stator coil and are connected in a through manner; and

[0018] The sliding block is adapted to move in the lower slot body, and the side end of the lower slot body towards the positioning block is provided with a slot opening adapted to the sliding of the sliding block.

[0019] In the optional implementation of the utility model, the sliding block is further detachably connected with a lever for driving the sliding block to move;

[0020] The lever is adapted to move along the first slot body.

[0021] In the optional implementation of the utility model, the positioning block is arranged in the radial interval formed by the inner inspection rod and the outer inspection rod; and

[0022] The outer inspection rod or the inner inspection rod is arranged at one side end of the lower slot body towards the stator coil.

[0023] In the optional implementation of the utility model, when the fixing seat is fixed in the inner hole of the stator core, the positioning block is adapted to contact the axial side end of the stator coil without lead wire, enameled wire and protector.

[0024] In the optional implementation of the utility model, when the sliding block slides to one side end of the positioning block towards the stator coil, the end face of the sliding block away from the stator coil is adapted to contact the end face of the positioning block towards the stator coil; and

[0025] The thickness of the sliding block is equal to the axial height of the highest part of the lead, the enameled wire connection and the protector provided at one axial side end of the stator coil.

[0026] In the optional implementation of the utility model, the fixing seat is a cylindrical structure;

[0027] The outer circular edge of the axial side end of the cylindrical structure away from the support arm is formed with a chamfer;

[0028] The outer circular wall surface of the cylindrical structure is adapted to be attached to the inner hole wall surface of the stator core; and

[0029] The outer circular edge of the axial side end of the cylindrical structure toward the support arm is provided with a positioning ring protruding in the radial direction.

[0030] In the optional implementation of the utility model, when the fixing seat is fixed in the inner hole of the stator core, the end of the connecting shaft connected with the support arm protrudes from the axial side end surface of the stator coil.

[0031] In the optional implementation of the utility model, the fixing seat is fixedly connected with the connecting shaft; and

[0032] The support arm is rotationally matched with the connecting shaft.

[0033] In the optional implementation of the utility model, the support arm is fixedly connected with the connecting shaft; and

[0034] The connecting shaft is rotationally matched with the fixing seat.

[0035] The above technical scheme has the following beneficial effects: the stator coil inspection device of the utility model is designed to facilitate the fixation of the overall stator coil inspection device into the inner hole of the stator core, based on which, the radial dimension inspection group is used to simultaneously inspect whether the inner diameter dimension and the outer diameter dimension of the stator coil meet the standards, and at the same time, the axial height inspection group is used to inspect whether the axial height dimension of the stator coil meets the standards, and the positioning block and the slidable sliding block are designed to respectively inspect the axial height dimensions of the two axial side ends of the stator coil, fully considering that one axial side end of the stator coil is designed with the lead, the enameled wire connection and the protector, while the other axial side end does not have the above components. In addition, the rotation of the support arm around the radial direction of the stator coil realizes the inspection of the radial dimension and the axial dimension of the stator coil at different positions. In summary, the cooperation of multiple components can quickly and accurately inspect the radial dimension and the axial dimension of the stator coil, avoiding the low efficiency and low accuracy of manual inspection. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1The utility model discloses a structure schematic diagram of the stator coil suitable for the utility model.

[0037] Figure 2 The utility model discloses a structure schematic diagram of the stator coil inspection device matched with the structure schematic diagram of the stator coil.

[0038] Figure 3 The utility model discloses a first visual angle structure schematic diagram of the stator coil inspection device.

[0039] Figure 4 The utility model discloses a second visual angle structure schematic diagram of the stator coil inspection device.

[0040] Figure 5 The utility model discloses a structure schematic diagram of the stator coil inspection device and inspects one axle side end of the stator coil.

[0041] Figure 6 The utility model discloses a structure schematic diagram of the stator coil inspection device and inspects another axle side end of the stator coil.

[0042] In the drawing: stator coil 100, stator core 200, L-shaped step 300, fixed seat 1, positioning ring 11, chamfer R, connecting shaft 2, support arm 3, inner inspection rod 41, outer inspection rod 42, positioning block 5, sliding block 6, push rod 7, movable groove 8, upper groove body 81, lower groove body 82, bearing 9. DETAILED DESCRIPTION

[0043] In order to make the content of the utility model more easily be clearly understood, the following according to specific embodiment and combining with the drawing, the utility model is further detailed.

[0044] Embodiment 1:

[0045] Please refer to Figures 1 to 6 As shown in the figure, the embodiment provides a kind of stator coil inspection device, it include: support arm 3, radial dimension inspection group and axial height inspection group being arranged on support arm 3, and with the positioning assembly being connected with support arm 3.

[0046] Next in detail, first is positioning assembly, positioning assembly in the embodiment is used to realize the positioning of the axial and radial of stator core 200 before the use of overall stator coil inspection device, in order to satisfy above-mentioned purpose, the embodiment has been designed as follows:

[0047] Generally speaking, positioning assembly at least includes fixed seat 1 suitable for being inserted into the inner hole of stator core 200 and connecting shaft 2 for connecting fixed seat 1 and support arm 3.

[0048] More specifically, the fixing base 1 is a cylindrical structure; the outer wall surface of the cylindrical structure is adapted to be attached to the inner hole wall surface of the stator core 200, thereby limiting the radial position of the positioning assembly relative to the stator winding 100; and the outer edge of the cylindrical structure towards the shaft side end of the support arm 3 is provided with a radially protruding positioning ring 11. The positioning ring 11 is adapted to be loaded on the two axially distributed L-shaped steps 300 formed between the inner hole of the stator core 200 and the inner hole of the stator winding 100. By adjusting the different assembly directions of the fixing base 1 relative to the inner hole of the stator core 200, the positioning ring 11 can be matched with any one of the L-shaped steps 300. Accordingly, the axial position of the positioning assembly relative to the stator winding 100 is limited by the matching of the positioning ring 11 and the L-shaped step 300.

[0049] Based on the above, it should be noted that the shaft of the present embodiment can directly penetrate through the entire fixing base 1, or one end can be built into the fixing base 1 and the other end can protrude outside the fixing base 1 to be connected to the support arm 3. The present embodiment only takes the latter as an example for illustration in combination with the drawings. In this case, when the fixing base 1 is built into the inner hole of the stator core 200, the end of the shaft 2 connected to the support arm 3 protrudes from the shaft side end of the stator winding 100. Specifically, when the size parameters of which shaft side end of the stator winding 100 need to be inspected, the fixing base 1 is assembled into the inner hole of the stator core 200 from the shaft side end. After the fixing base 1 is fixed, the end of the shaft connected to the connecting arm protrudes from the shaft side end of the stator winding 100 which needs to be inspected.

[0050] Based on the above structure, in order to improve the convenience of placing the fixing base 1 into the inner hole of the stator core 200, a chamfer R can be formed on the outer edge of the cylindrical structure away from the shaft side end of the support arm 3.

[0051] Furthermore, the support arm 3 is generally a long strip structure extending along the radial direction of the stator winding 100, and the overall length thereof is not less than the outer diameter R of the stator winding 100.

[0052] Based on the above structure, the radial size inspection assembly includes an inner inspection rod 41 and an outer inspection rod 42 arranged at intervals on the side of the support arm 3 towards the stator winding 100. The inner inspection rod 41 is adapted to be in contact with the inner hole wall of the stator winding 100, and the outer inspection rod 42 is adapted to be in contact with the outer side wall of the stator winding 100.

[0053] It should be noted that, in terms of material, the inner inspection rod 41 and the outer inspection rod 42 can be made of nylon material, which can reduce the risk of scratching the stator winding 100.

[0054] The specific shape of the inner inspection rod 41 and the outer inspection rod 42 is not limited in the embodiment, but it is necessary to point out that for the inner inspection rod 41, the part used to contact the inner hole wall of the stator coil 100 is preferably a circular arc surface, which can be a circular arc surface that is entirely adapted to the inner hole wall of the stator coil 100, or only the central part of the circular arc surface is adapted to the inner hole wall of the stator coil 100. For the outer inspection rod 42, it can be a flat surface to form a tangent to the outer wall of the stator coil 100, or it can be a circular arc surface that is convex relative to the outer wall of the stator coil 100, and the central part of the circular arc surface is adapted to form a tangent to the outer wall of the stator coil 100.

[0055] On the basis of the above structure, it is also necessary to point out that since the inner inspection rod 41 and the outer inspection rod 42 are used to implement the inspection of the radial dimension of the stator coil 100, the axial dimension of the inner inspection rod 41 and the outer inspection rod 42 is not limited in the embodiment.

[0056] Next, it is necessary to point out that the axial height inspection group generally includes a positioning block 5 provided on the side end of the support arm 3 towards the stator coil 100 and a sliding block 6 provided beside the positioning block 5; the sliding block 6 is adapted to be partially slid to the side end of the positioning block 5 towards the stator coil 100 through linear motion.

[0057] Based on the above, it is necessary to point out that the end surface of the sliding block 6 and the positioning block 5 towards the stator coil 100 is a smooth flat end surface. In terms of material, the sliding block 6 and the positioning block 5 can be made of nylon material, which can reduce the risk of scratching the stator coil 100.

[0058] Based on this need to explain, in combination with the actual stator winding 100, one of the axial side end is provided with lead, enameled wire connection and protector, while the other axial side end is not designed above structure, accordingly, the axial height H of the two axial side end of the stator winding 100 (the axial height H in this embodiment refers to the height difference between the axial side end of the stator winding 100 and the axial side end of the stator core 200 in the same direction) is different, when the axial height H of the axial side end of the stator winding 100 which is not designed with lead, enameled wire connection and protector needs to be inspected, the sliding block 6 slides to the side of the positioning block 5, at this time the inspection is carried out by the contact between the positioning block 5 and the axial side end of the stator winding 100, and when the axial height H of the axial side end of the stator winding 100 which is designed with lead, enameled wire connection and protector needs to be inspected, the sliding block 6 slides to the side of the positioning block 5 facing the axial side end of the stator winding 100 by linear motion, at this time the inspection is carried out by the contact between the sliding block 6 and the axial side end of the stator winding 100. Therefore, when actually inspecting the two different axial side ends of one stator winding 100, one axial side end is inspected by the positioning block 5, and the other axial side end is inspected by the sliding block 6 which moves to the axial side end of the stator winding 100 facing the positioning block 5.

[0059] Based on the above, in an alternative embodiment, when the sliding block 6 slides to the side of the positioning block 5 facing the axial side end of the stator winding 100, the end face of the sliding block 6 away from the stator winding 100 is adapted to contact the end face of the positioning block 5 facing the stator winding 100; that is, the thickness of the sliding block 6 is equal to the axial height H of the part with the highest axial height H among the lead, enameled wire connection and protector provided on one axial side end of the stator winding 100. In another alternative embodiment, when the sliding block 6 slides to the side of the positioning block 5 facing the axial side end of the stator winding 100, there is an axial gap between the end face of the sliding block 6 away from the stator winding 100 and the end face of the positioning block 5 facing the stator winding 100, at this time the sum of the thickness of the sliding block 6 and the above axial gap is the axial height H of the part with the highest axial height H among the lead, enameled wire connection and protector provided on one axial side end of the stator winding 100.

[0060] Based on the above structure, it is also necessary to explain that, with respect to the position distribution relationship of the sliding block 6 and the positioning block 5 along the radial dimension of the stator winding 100, taking the part where the support arm 3 is connected to the shaft 2 as the reference, in an alternative case, when the sliding block 6 does not move to the axial side end of the positioning block 5 facing the stator winding, the sliding block 6 can be located between the positioning block 5 and the shaft 2, at this time the sliding block 6 can meet the use requirement by moving from the inside to the outside of the stator winding. In another alternative case, when the sliding block 6 does not move to the axial side end of the positioning block 5 facing the stator winding, the sliding block 6 is located on the side of the positioning block 5 away from the shaft 2, at this time the sliding block 6 can meet the use requirement by moving from the outside to the inside of the stator winding.

[0061] In order to meet the above-mentioned use requirements of the sliding block 6, first, the part of the support arm 3, which is provided with the movable slot 8, protrudes from the part of the support arm 3, which is provided with the positioning block 5, towards the end surface of the stator coil 100. The support arm 3 is provided with the movable slot 8, which is distributed along the radial direction of the stator coil 100 and is suitable for the sliding of the sliding block 6.

[0062] More specifically, in an alternative case, the movable slot 8 adopted by the present embodiment includes an upper slot body 81 and a lower slot body 82, which are distributed along the axial direction of the stator coil 100 and are connected in a through manner; the sliding block 6 is suitable for movement in the lower slot body 82, and the lower slot body 82 is provided with a slot opening at one side end thereof, which is suitable for the passage of the sliding block 6; the positioning block 5 is arranged in the radial interval formed by the inner inspection rod 41 and the outer inspection rod 42; and the outer inspection rod 42 or the inner inspection rod 41 is arranged at one side end of the lower slot body 82 towards the stator coil 100 (specifically, whether the outer inspection rod 42 is arranged at one side end of the lower slot body 82 towards the stator coil 100 or the inner inspection rod 41 is arranged at one side end of the lower slot body 82 towards the stator coil 100 needs to be determined in combination with the layout position of the sliding block 6 relative to the positioning block 5).

[0063] Accordingly, in order to facilitate the adjustment of the position of the sliding block 6 in the movable slot 8, the sliding block 6 is further connected to a lever 7 for driving the movement of the sliding block 6 in a detachable manner, for example but not limited to a threaded connection; and the lever 7 is suitable for movement along the first slot body.

[0064] Based on the above-mentioned case, in order to inspect the inner diameter r size, the outer diameter R size and the axial height H of each part in the circumferential direction of the stator coil 100, when the axial height H size of the stator coil 100 is uniform and meets the standard requirements, the axial end surface of the overall stator coil 100 is flat, at this time, through the rotational movement of the support arm 3, the positioning block 5 or the sliding block 6 can be in contact with the corresponding axial end surface of the stator coil 100. The support arm 3 of the present embodiment needs to be rotated along the radial direction of the stator coil 100 for radial size inspection and axial height inspection, for this, first, when the fixed seat 1 is built-in fixed in the inner hole of the stator core 200, the shaft 2 is located on the central axis of the stator core 200; second, in an alternative implementation case, the support arm 3 is fixedly connected with the shaft 2; and the shaft 2 is rotationally connected with the fixed seat 1. It should be noted that the fixed connection between the support arm 3 and the shaft 2 here means that after the two are assembled in place, they will not move relative to each other, but will remain in a relatively static state, that is, as long as the shaft 2 does not move, the support arm 3 will also not move. The rotational connection between the shaft 2 and the fixed seat 1 can be achieved by, for example but not limited to, a bearing 9. Under this structure, when it is necessary to adjust the position of the connecting arm, it is only necessary to rotate the shaft 2 as a whole.

[0065] In summary, for the stator coil inspection device of the embodiment: the positioning assembly is designed to facilitate fixing the overall stator coil inspection device into the inner hole of the stator core 200, and based on this, the radial size inspection group is used to simultaneously inspect whether the inner diameter r size and the outer diameter R size of the stator coil 100 meet the standards, at the same time, the axial height inspection group is used to inspect whether the axial height H size of the stator coil 100 meets the standards, and the positioning block 5 and the slidable sliding block 6 are designed to respectively inspect the axial height H size of the two axial side ends of the stator coil 100, fully considering that one axial side end of the stator coil 100 is designed to have a lead, an enameled wire connection and a protector, and the other axial side end does not have the above components. In addition, the radial size and the axial size of different positions of the stator coil 100 are inspected by rotating the support arm 3 around the radial direction of the stator coil 100. In summary, the cooperation of multiple components can quickly and accurately inspect the radial size and the axial size of the stator coil 100, and when used, the stator coil inspection device is first placed into the stator coil, and if the support arm rotates smoothly for one revolution, it means that the stator coil size is qualified, and if there is a jam or the support arm cannot rotate, it means that the stator coil is not properly shaped and the size at that position is unqualified. The entire inspection process avoids the low efficiency and low accuracy problems existing in manual inspection.

[0066] Embodiment 2:

[0067] On the basis of the stator coil inspection device of embodiment 1, the stator coil inspection device provided in the embodiment has the same general structure as that of embodiment 1, and the difference lies in that the fixed seat 1 and the connecting shaft 2 are fixedly connected in the embodiment, and the support arm 3 is in rotational cooperation with the connecting shaft 2.

[0068] It should be noted that the fixed connection between the fixed seat 1 and the connecting shaft 2 means that they are assembled in place and cannot move relative to each other, but will remain in a relatively static state, that is, as long as the fixed seat 1 does not move, the connecting shaft 2 will not move. The rotational cooperation between the support arm 3 and the connecting shaft 2 can be achieved by, for example but not limited to, a bearing 9.

[0069] The above specific embodiments further illustrate the purpose, technical solutions and advantages of the utility model, and it should be understood that the above are only specific embodiments of the utility model and are not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

[0070] In the description of the utility model, it needs to be understood that the terms indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as the limitation of the utility model.

[0071] In the utility model, unless explicitly defined and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0072] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly placed when the utility model product is used, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as the limitation of the utility model. In addition, the terms "first", "second", "third" and the like are only used for distinguishing description, and cannot be understood as indicating or implying relative importance.

[0073] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0074] In the utility model, unless explicitly defined and limited, the first feature above or below the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature above, above and above the second feature includes that the first feature is directly above and obliquely above the second feature, or only means that the horizontal height of the first feature is higher than that of the second feature. The first feature below, below and below the second feature includes that the first feature is directly below and obliquely below the second feature, or only means that the horizontal height of the first feature is less than that of the second feature.

Claims

1. A stator coil inspection device, characterized in that, include: Support arm; A radial dimension inspection group, comprising an inner inspection rod and an outer inspection rod spaced apart on the side of the support arm facing the stator coil; The inner inspection rod is adapted to contact the inner wall of the stator coil, and the outer inspection rod is adapted to contact the outer wall of the stator coil. An axial height inspection group includes a positioning block located at the end of the support arm facing the stator coil and a sliding block located beside the positioning block; the sliding block is adapted to partially slide to the end of the positioning block facing the stator coil by linear motion. A positioning assembly for rotatably engaging with a support arm; the positioning assembly includes at least a fixed seat adapted to be inserted into the inner hole of the stator core and a connecting shaft for connecting the fixed seat and the support arm; when the fixed seat is internally fixed in the inner hole of the stator core, the connecting shaft is located on the central axis of the stator core.

2. The stator coil inspection device according to claim 1, characterized in that, The part of the support arm with the movable groove protrudes from the end face of the stator coil, which is located on the same side as the part of the support arm with the positioning block.

3. The stator coil inspection device according to claim 1 or 2, characterized in that, The support arm is provided with movable grooves distributed radially along the stator coil, suitable for the sliding of the sliding block.

4. The stator coil inspection device according to claim 3, characterized in that, The movable slot includes an upper slot body and a lower slot body that are distributed along the axial direction of the stator coil and are connected through it; and The sliding block is adapted to move in the lower groove, and the lower groove is provided with a slot opening on the side facing the positioning block, which is suitable for the sliding block to pass through.

5. The stator coil inspection device according to claim 4, characterized in that, The sliding block can also be detachably connected to a lever for driving the sliding block to move; The lever is adapted to move along the first groove.

6. The stator coil inspection device according to claim 5, characterized in that, The positioning block is located within the radial interval formed by the inner and outer inspection rods; and The external or internal inspection rod is located on the side of the lower groove body facing the stator coil.

7. The stator coil inspection device according to claim 1, characterized in that, When the fixing seat is fixed in the inner hole of the stator core, the positioning block is adapted to contact the shaft side end of the stator coil that does not have leads, enameled wire connections and protectors.

8. The stator coil inspection device according to claim 7, characterized in that, When the sliding block slides to the side of the positioning block facing the stator coil, the end face of the sliding block facing away from the stator coil is adapted to contact the end face of the positioning block facing the stator coil; and The thickness of the sliding block is equal to the axial height of the highest part of the lead wire, enameled wire connector, and protector provided on one axial end of the stator coil.

9. The stator coil inspection device according to claim 1, characterized in that, The fixing base is a cylindrical structure; The outer edge of the cylindrical structure facing away from the axial side of the support arm has a chamfer. The outer circular wall surface of the cylindrical structure is adapted to fit against the inner wall surface of the stator core; and The cylindrical structure has a radially protruding positioning ring along the outer edge of the axial end facing the support arm.

10. The stator coil inspection device according to claim 1 or 9, characterized in that, When the fixing seat is built into the inner hole of the stator core, the end of the connecting shaft that is connected to the support arm protrudes from the axial end face of the stator coil.

11. The stator coil inspection device according to claim 1 or 9, characterized in that, The fixed base is fixedly connected to the coupling shaft; and The support arm is rotatably coupled with the connecting shaft.

12. The stator coil inspection device according to claim 1 or 9, characterized in that, The support arm is fixedly connected to the connecting shaft; and The coupling is rotatably engaged with the fixed base.

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