Stator winding device for electric vehicle motor production

Abstract

The utility model belongs to the technical field of motors, and particularly relates to a stator winding device for electric vehicle motor production, which is characterized in that support legs are fixedly arranged at four corners of the bottom of a workbench and are used for supporting the whole device, a winding assembly is arranged above the workbench and is used for realizing automatic winding of a stator and improving production efficiency, and a positioning assembly is arranged on the workbench and is used for positioning the stator. The positioning assembly is used for fixing the electric vehicle motor stator and ensuring stability and accuracy in the winding process, the positioning assembly comprises a base arranged above a machining table, a mounting cavity is formed in the base, the stator is fixedly connected into the mounting cavity through a mounting assembly, connection is stable, and mounting and dismounting are easy and convenient; the guide device is used for guiding winding of wires.

Description

TECHNICAL FIELD

[0001] The utility model belongs to motor technical field especially relates to a stator winding device for electric motor car motor production. BACKGROUND

[0002] With the continuous popularity of new energy vehicles, the use of electric vehicles is also more and more, and in the motor production process of electric vehicles, the stator inside often needs to be wound, the traditional stator winding is wound by workers, and then the wound coil is inserted into the winding table on the stator, the winding method is low in efficiency, labor-consuming, and greatly reduces the production efficiency of the motor. UTILITY MODEL CONTENTS

[0003] The utility model aims at the above-mentioned technical problem, provides a stator winding device for electric motor car motor production to solve the problem in the above background art.

[0004] Therefore, the utility model provides a stator winding device for electric motor car motor production, the bottom four corners of the workbench are fixedly provided with supporting legs;

[0005] The winding assembly is arranged above the workbench;

[0006] The positioning assembly is arranged on the workbench;

[0007] The positioning assembly comprises a base arranged above the workbench, an installation cavity is formed in the base, a stator is fixedly connected to the installation cavity through an installation assembly, and the inner wall of the stator is fixedly provided with a plurality of winding tables.

[0008] In the above technical scheme, further, the installation assembly comprises:

[0009] The outer wall of the stator is provided with a convex edge;

[0010] The opening of the installation cavity is symmetrically provided with a notch;

[0011] The notch is provided with a U-shaped block for fixing the convex edge, the upper end of the U-shaped block is rotatably connected to the side wall of the notch through a rotating shaft, and a torsional spring matched with the U-shaped block is sleeved on the rotating shaft;

[0012] The upper side of the U-shaped block away from the notch is provided with a lock tongue;

[0013] The lock tongue is matched with a locking piece.

[0014] In the above technical scheme, further, the locking piece comprises:

[0015] The abutting block is arranged in the notch;

[0016] A pull rod is horizontally fixedly connected to one end of the abutting block away from the U-shaped block, and the other end of the pull rod is movably penetrated through the inner wall of the notch and extends out of the base;

[0017] A spring is sleeved on the pull rod, and the two ends of the spring are respectively abutted against the abutting block and the inner wall of the notch, and the abutting block is abutted below the lock tongue.

[0018] In the above technical solution, further, the abutting block and the lock tongue are provided with mutually matched inclined surfaces.

[0019] In the above technical solution, further, the wire winding assembly comprises:

[0020] A support is arranged on the top of the workbench;

[0021] A limiting plate is arranged at the bottom of the support;

[0022] A lead screw is rotatably arranged between the support and the limiting plate;

[0023] A light rod is fixedly arranged between the support and the limiting plate;

[0024] A sliding block is slidably connected to the lead screw, and the light rod passes through the other side of the sliding block;

[0025] A first motor is fixedly connected to one side of the support, and the output shaft of the first motor is fixedly connected to the lead screw through the support;

[0026] An electric lifting rod is fixedly connected to the bottom of the sliding block;

[0027] A rotating seat is fixedly connected to the bottom of the electric lifting rod;

[0028] A wire winding head is rotatably connected to the rotating seat.

[0029] In the above technical solution, further, the wire winding assembly further comprises:

[0030] A cavity is arranged in the rotating seat;

[0031] A second motor is fixedly arranged at the inner side end of the cavity;

[0032] A first rotating rod is fixedly connected to the output shaft end of the second motor;

[0033] A bearing is arranged in the circular hole on the two side walls of the cavity;

[0034] A second rotating rod is transversely arranged in the cavity and slidably connected to the bearing, and the wire winding head is fixedly connected to the second rotating rod.

[0035] The first bevel gear is fixedly connected with the bottom end of the first rotating rod concentrically.

[0036] The second bevel gear is fixedly connected on the second rotating rod and engaged with the first bevel gear.

[0037] In the above technical solution, further, the sliding block side wall is rotationally provided with a winding roller, and a wire inlet hole communicated with the cavity is formed in one side of the rotating seat.

[0038] In the above technical solution, further, the third motor and the fourth motor are fixedly arranged at the bottom of the workbench, the output shaft of the third motor is fixedly connected with the bottom of the base through the workbench, and the output shaft of the fourth motor is fixedly connected with the bottom of the support through the workbench.

[0039] In the above technical solution, further, the mounting cavity bottom surface is provided with a hydraulic cylinder, the piston rod top of the hydraulic cylinder is fixedly connected with a top block, and the top block abuts against the bottom surface of the stator.

[0040] In the above technical solution, further, the stator top end is fixedly connected with a plurality of winding columns in the circumference.

[0041] The utility model discloses the beneficial effect that:

[0042] 1. Setting the winding assembly above the workbench is used for realizing the automation winding of the stator and improving production efficiency.

[0043] 2. The positioning assembly is arranged on the workbench and is used for fixing the motor stator of the electric vehicle, so that the stability and accuracy in the winding process are ensured.

[0044] 3. The winding column is arranged and is used for guiding the winding of the stator winding, so that the accuracy and stability of winding are improved. DRAWINGS

[0045] Figure 1 It is the structure schematic diagram of the utility model;

[0046] Figure 2 It is another view structure schematic diagram of the utility model;

[0047] Figure 3 It is the positioning assembly structure schematic diagram of the utility model;

[0048] Figure 4 It is the structure schematic diagram of the utility model Figure 3 The partial close-up view of A in the utility model;

[0049] Figure 5 It is the rotating seat structure schematic diagram of the utility model;

[0050] Figure 6 It is the rotating seat internal structure schematic diagram of the utility model;

[0051] The labels in the figure are indicated as: 1-workbench, 2-support leg, 3-base, 4-mounting cavity, 5-stator, 6-winding table, 7-convex edge, 8-notch, 9-U-shaped block, 10-rotating shaft, 11-locking tongue, 12-abutting block, 13-pull rod, 14-spring, 15-bracket, 16-limiting plate, 17-screw rod, 18-light pole, 19-sliding block, 20-first motor, 21-electric lifting rod, 22-rotating seat, 23-winding head, 24-cavity, 25-second motor, 26-first rotating rod, 27-bearing, 28-second rotating rod, 29-first bevel gear, 30-second bevel gear, 31-winding roller, 32-wire inlet hole, 33-third motor, 34-fourth motor, 35-hydraulic cylinder, 36-top block, 37-winding column. DETAILED DESCRIPTION

[0052] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art belong to the scope of protection of the present application.

[0053] Embodiment 1:

[0054] The embodiment provides a stator winding device for motor production of an electric vehicle, which comprises:

[0055] The workbench 1 is provided with the support legs 2 fixedly arranged at four corners of the bottom of the workbench 1.

[0056] The winding assembly is arranged above the workbench 1.

[0057] The positioning assembly is arranged on the workbench 1.

[0058] The positioning assembly comprises the base 3 arranged above the workbench 1, the mounting cavity 4 is arranged in the base 3, the stator 5 is fixedly connected to the mounting cavity 4 through the mounting assembly, and the inner wall of the stator 5 is fixedly provided with a plurality of winding tables 6 in the circumferential direction.

[0059] It can be seen that the workbench 1 is provided with the support legs 2 fixedly arranged at four corners of the bottom of the workbench 1, which is used for supporting the whole device, the winding assembly is arranged above the workbench 1, which is used for realizing automatic winding of the stator and improving production efficiency, the positioning assembly is arranged on the workbench 1, which is used for fixing the stator of the electric vehicle motor and ensuring stability and accuracy in the winding process, the positioning assembly comprises the base 3 arranged above the workbench 1, the mounting cavity 4 is arranged in the base 3, the stator 5 is fixedly connected to the mounting cavity 4 through the mounting assembly, the connection is stable, the mounting and dismounting are simple, and the inner wall of the stator 5 is fixedly provided with a plurality of winding tables 6 in the circumferential direction, which is used for guiding winding of the wire rod.

[0060] Embodiment 2:

[0061] The embodiment provides a stator winding device for motor production of an electric vehicle.

[0062] The mounting assembly comprises:

[0063] The outer side wall of the stator 5 is provided with a protruding edge 7.

[0064] The opening inner side of the mounting cavity 4 is symmetrically provided with a notch 8.

[0065] The notch 8 is provided with a U-shaped block 9 for fixing the protruding edge 7, and the upper end of the U-shaped block 9 is rotatably connected to the side wall of the notch 8 through a rotating shaft 10.

[0066] The upper side of the U-shaped block 9 away from the opening is provided with a lock tongue 11.

[0067] The lock tongue 11 is matched with a locking piece.

[0068] As can be seen from the embodiment, the outer side wall of the stator 5 is provided with a protruding edge 21, the opening inner side of the mounting cavity 4 is symmetrically provided with a notch 8, the notch 8 is provided with a U-shaped block 9 for fixing the protruding edge 21, the upper end of the U-shaped block 9 is rotatably connected to the side wall of the notch 8 through a rotating shaft 10, and a torsional spring matched with the U-shaped block 9 is sleeved on the rotating shaft 10, the torsional spring can provide elastic force for upward rotation of the U-shaped block 9, when the locking piece releases the limiting of the U-shaped block 9, the U-shaped block 9 can be upwardly rotated and abut against the upper edge of the notch 8 under the action of the elastic force of the torsional spring, so that the U-shaped block 9 is rotated to an opening upwardly inclined state, and it is more convenient for the protruding edge 21 of the outer side wall of the stator 5 to be downwardly clamped and fixed, the upper side of the U-shaped block 9 away from the opening is provided with a lock tongue 11, and the lock tongue 11 is matched with a locking piece.

[0069] Embodiment 3:

[0070] The embodiment provides a stator winding device for motor production of an electric vehicle.

[0071] The locking piece comprises:

[0072] The abutting block 12 is arranged in the notch 8.

[0073] The pull rod 13 is horizontally fixedly connected to one side of the abutting block 12 away from the U-shaped block 9, and the other end of the pull rod 13 is movably penetrated through the inner wall of the notch 8 and extends out of the base 3.

[0074] A spring 14 is sleeved on the pull rod 13, and the two ends of the spring 14 abut against the abutting block 12 and the inner wall of the notch 8 respectively, and the abutting block 12 abuts against the lock tongue 11 below.

[0075] It can be seen from the embodiment that the fixing can be released by pulling the pull rod 13 outward to make the abutting block 12 disengage from the clamping of the lock tongue 11, and the stator 5 is taken out upward, and the U-shaped block 9 rotates upward around the rotating shaft 10 under the auxiliary action of the torsional spring, thereby facilitating the subsequent installation of the stator 5.

[0076] Embodiment 4

[0077] The embodiment provides a stator winding device for electric vehicle motor production, in addition to the technical solutions of the above-mentioned embodiments, and has the following technical features.

[0078] The abutting block 12 and the lock tongue 11 are provided with inclined surfaces matched with each other.

[0079] It can be seen from the embodiment that when the stator 5 is installed, the two inclined surfaces of the abutting block 12 and the lock tongue 11 abut against each other, the convex edge 7 is placed in the opening of the inclined U-shaped block 9, the stator 5 is pressed downward, the U-shaped block 9 rotates downward, and the lock tongue 11 is extruded outward to abut against the abutting block 12 through the cooperation of the two inclined surfaces, when the stator 5 is installed in place, the lock tongue 11 rotates to a horizontal state, the abutting block 12 rebounds to the middle under the elastic force of the spring 14, thereby locking the lock tongue 11, the convex edge 21 of the stator 5 is locked by the U-shaped blocks 9 on both sides, the rapid installation and fixation of the stator 5 are realized, and the replacement speed of the stator 5 is significantly improved, and the production efficiency is improved.

[0080] Embodiment 5

[0081] The embodiment provides a stator winding device for electric vehicle motor production, in addition to the technical solutions of the above-mentioned embodiments, and has the following technical features.

[0082] The winding assembly comprises:

[0083] A support 15 is arranged on the top of the workbench 1.

[0084] A limiting plate 16 is arranged at the bottom of the support 15.

[0085] A lead screw 17 is rotatably arranged between the support 15 and the limiting plate 16.

[0086] A light rod 18 is fixedly arranged between the support 15 and the limiting plate 16.

[0087] A sliding block 19 is slidably connected to the lead screw 17, and the light rod 18 passes through the other side of the sliding block 19.

[0088] The first motor 20 is fixedly connected to one side of the support 15, and an output shaft of the first motor 20 is fixedly connected with the lead screw 17 through the support 15.

[0089] The electric lifting rod 21 is fixedly connected to the bottom of the sliding block 19.

[0090] The rotating seat 22 is fixedly connected to the bottom of the electric lifting rod 21.

[0091] The winding head 23 is rotatably connected to the rotating seat 22.

[0092] It can be seen from the embodiment that the first motor 20 is started, the output shaft of the first motor 20 drives the lead screw 17 to rotate, the lead screw 17 drives the sliding block 19 to move, the transverse movement of the winding head 23 is realized, the electric lifting rod 21 can drive the longitudinal movement of the winding head 23, and the winding of the wire is realized.

[0093] Embodiment 6:

[0094] The embodiment provides a stator winding device for motor production of an electric vehicle.

[0095] The winding assembly further comprises:

[0096] The cavity 24 is arranged in the rotating seat 22.

[0097] The second motor 25 is fixedly arranged on the inner side of the cavity 24.

[0098] The first rotating rod 26 is fixedly connected to the output shaft of the second motor 25.

[0099] The bearing 27 is arranged on the two side walls of the cavity 24.

[0100] The second rotating rod 28 is arranged in the cavity 24 in a transverse mode and is slidably connected with the bearing 27, and the winding head 23 is fixedly connected to the second rotating rod 28.

[0101] The first bevel gear 29 is fixedly connected to the bottom end of the first rotating rod 26.

[0102] The second bevel gear 30 is fixedly connected to the second rotating rod 28 and is engaged with the first bevel gear 29.

[0103] The embodiment can be seen that the bearing is arranged to realize rotation, the cavity 24 is arranged to make the winding head 23 have enough space to rotate, the second motor 25 is started, the output shaft of the second motor 25 drives the first rotating rod 26 to rotate, drives the first bevel gear 29 to rotate, the first bevel gear 29 meshes with the second bevel gear 30, thereby drives the second rotating rod 28 to rotate, the second rotating rod 28 also rotates, and the angle adjustment of the winding head 23 is realized.

[0104] Embodiment 7:

[0105] The embodiment provides a stator winding device for electric vehicle motor production.

[0106] The side wall of the sliding block 19 is rotationally provided with a winding roller 31, and one side of the rotating seat 22 is provided with a wire inlet hole 32 communicating with the cavity 24.

[0107] The embodiment can be seen that the side wall of the sliding block 19 is rotationally provided with a winding roller 31 for storing wires, one side of the rotating seat 22 is provided with a wire inlet hole 32 communicating with the cavity 24, the wires pass from the winding roller 31 into the wire inlet hole 32, and then pass from the wire inlet end of the winding head 23 and the wire outlet end of the winding head 23, so that the wires are wound on the winding table 6 and the winding column 37.

[0108] Embodiment 8:

[0109] The embodiment provides a stator winding device for electric vehicle motor production.

[0110] The third motor 33 and the fourth motor 34 are fixedly arranged at the bottom of the workbench 1, the output shaft of the third motor 33 is fixedly connected with the bottom of the base 3 through the workbench 1, and the output shaft of the fourth motor 34 is fixedly connected with the bottom of the support 15 through the workbench 1.

[0111] The embodiment can be seen that the third motor 33 is started, the output shaft of the third motor 33 can drive the base 3 to rotate, and the winding effect is realized, when the stator 5 needs to be taken down after winding is completed, the fourth motor 34 is started, the output shaft of the fourth motor 34 drives the support 15 to rotate, so that the installation and dismounting of the stator 5 are not interfered by the support 15 and the components mounted on the support 15.

[0112] Embodiment 9:

[0113] The embodiment provides a stator winding device for electric vehicle motor production.

[0114] The bottom surface of the installation cavity 4 is provided with a hydraulic cylinder 35, the top of the piston rod of the hydraulic cylinder 35 is fixedly connected with a top block 36, and the top block 36 is in abutment with the bottom surface of the stator 5.

[0115] It can be seen from the embodiment that the top block 36 is driven by the hydraulic cylinder 35 to abut against the bottom of the stator 5 upward, so that the stator 5 is pushed out of the installation cavity 4 upward, and the stator 5 is quickly pushed out.

[0116] Embodiment 10:

[0117] The embodiment provides a stator winding device for motor production of an electric vehicle, in addition to the technical solutions of the above-mentioned embodiments, and has the following technical features.

[0118] The top end of the stator 5 is fixedly connected with a plurality of winding columns 37.

[0119] It can be seen from the embodiment that the winding column 37 is arranged to guide the winding of the stator winding, and the accuracy and stability of winding are improved.

[0120] Working principle: when the motor stator 5 of the electric vehicle is installed, the convex edge 7 of the stator 5 is placed in the opening of the inclined U-shaped block 9, the stator 5 is pressed downward, the U-shaped block 9 rotates, when the stator 5 is installed in place, the openings of the two U-shaped blocks 9 are opposite, under the action of the elastic force of the spring 14, the abutment block 12 rebounds to the middle to lock the lock tongue 11, at this time, the two U-shaped blocks 9 on the sides lock the convex edge 7 of the stator 5, realizing the quick installation and fixation of the stator 5, thereby significantly improving the work efficiency, when winding, the third motor 33 is started to drive the base 3 to rotate, the stator 5 is rotated to a certain position, then the first motor 20 is started, the output shaft of the first motor 20 drives the screw rod 17 to rotate, the rotation of the screw rod 17 drives the sliding block 19 to move, realizing the transverse movement of the winding head 23, the electric lifting rod 21 can drive the winding head 23 to move longitudinally, then the base 3 is swung left and right by the third motor 33, the winding head 23 is vertically arranged with the rotating seat 22, the winding head 23 can wind around the circumferential side of one winding table 6, the number of winding turns can be controlled by controlling the number of turns of the motor, after winding one winding table 6, the base 3 is rotated by the third motor 33, the winding head 23 is moved upward by the electric lifting rod 21, at the same time, the second motor 25 is started, the output shaft of the second motor 25 drives the first rotating rod 26 to rotate, drives the first bevel gear 29 to rotate, the first bevel gear 29 is meshed with the second bevel gear 30, thereby driving the second rotating rod 28 to rotate, the second rotating rod 28 also rotates, realizing the angle adjustment of the winding head 23, at this time, the winding head 23 is vertically downward, then the base 3 is rotated by the third motor 33, the sliding block 19 is controlled by the screw rod 17 to drive the winding head 23 to move, realizing the winding of the winding column 37, improving the accuracy and stability of winding, the remaining winding tables 6 and winding columns 37 are sequentially wound subsequently, without manual participation, the efficiency of stator 5 winding is greatly improved.

[0121] After winding is completed, when the electric vehicle motor stator 5 needs to be taken out, the pull rod 13 is pulled outward to make the abutting block 12 of the locking part release the locking of the tongue 11, the hydraulic cylinder 35 is started, and the top block 36 pushes the stator 5 upward to realize the quick ejection of the stator 5. During this period, the U-shaped block 9 will rotate upward under the auxiliary action of the torsional spring, which is convenient for the subsequent installation of the stator 5.

[0122] The embodiments of the present application are described above in combination with the drawings, and the embodiments and features in the embodiments in the present application can be combined with each other without conflict, the present application is not limited to the above specific embodiments, the above specific embodiments are only illustrative but not restrictive, and those skilled in the art can make many forms under the inspiration of the present application without departing from the scope of the present application and the protection scope of the claims.

Claims

1. A stator winding device for electric motor production of an electric vehicle, characterized in that, Include: Workbench (1), the bottom four corners of the workbench (1) are fixedly provided with support legs (2); The wire winding assembly is provided above the workbench (1); The positioning assembly is provided on the workbench (1); Wherein, the positioning assembly comprises a base (3) provided above the workbench (1), an installation cavity (4) is formed in the base (3), a stator (5) is fixedly connected to the installation cavity (4) through an installation assembly, and a plurality of wire winding tables (6) are fixedly arranged on the inner wall of the stator (5).

2. The stator winding device for electric motor production of an electric vehicle according to claim 1, characterized in that, The installation assembly comprises: The outer side wall of the stator (5) is provided with a convex edge (7); The opening of the installation cavity (4) is symmetrically provided with a notch (8); The notch (8) is provided with a U-shaped block (9) for fixing the convex edge (7), the upper end of the U-shaped block (9) is rotatably connected to the side wall of the notch (8) through a rotating shaft (10), and a torsional spring matched with the U-shaped block (9) is sleeved on the rotating shaft (10); A lock tongue (11) is provided above the U-shaped block (9) away from the opening side; The lock tongue (11) is matched with the locking piece.

3. The stator winding device for electric motor production of an electric vehicle according to claim 2, characterized in that, The locking piece comprises: An abutting block (12) is arranged in the notch (8); One end of a pull rod (13) is fixedly connected to one side of the abutting block (12) away from the U-shaped block (9), the other end of the pull rod (13) is movably penetrated through the inner wall of the notch (8) and extends out of the base (3); A spring (14) is sleeved on the pull rod (13), and the two ends of the spring (14) are respectively abutted with the abutting block (12) and the inner wall of the notch (8), and the abutting block (12) is abutted below the lock tongue (11).

4. The stator winding device for electric motor production of an electric vehicle according to claim 3, characterized in that, The abutting block (12) and the lock tongue (11) are provided with inclined surfaces matched with each other.

5. The stator winding device for electric motor production of an electric vehicle according to claim 4, characterized in that, The wire winding assembly comprises: A support (15) is provided on the top of the workbench (1); A limiting plate (16) is provided on the bottom of the support (15); A lead screw (17) is rotatably arranged between the support (15) and the limiting plate (16); A light rod (18) is fixedly arranged between the support (15) and the limiting plate (16); A sliding block (19) is slidably connected on the lead screw (17), and the light rod (18) penetrates through the other side of the sliding block (19); A first motor (20) is fixedly connected to one side of the support (15), and the output shaft of the first motor (20) is fixedly connected with the lead screw (17) through the support (15); An electric lifting rod (21) is fixedly connected to the bottom of the sliding block (19); A rotating seat (22) is fixedly connected to the bottom of the electric lifting rod (21); A wire winding head (23) is rotatably connected to the rotating seat (22).

6. The stator winding device for electric motor production of an electric vehicle according to claim 5, characterized in that, The wire winding assembly further comprises: A cavity (24) is formed in the rotating seat (22); Second motor (25), the second motor (25) is fixed in the inside end of cavity (24); First rotating rod (26), the upper end of first rotating rod (26) is fixedly connected with the end of output shaft of second motor (25); Bearing (27), the two side walls of cavity (24) are provided with round holes, and bearing (27) is installed in the inside of round hole; Second rotating rod (28), the second rotating rod (28) is transversely arranged in cavity (24), and is slidably connected with bearing (27), and winding head (23) is fixedly connected with second rotating rod (28); First bevel gear (29), the first bevel gear (29) is fixedly connected with the bottom end of first rotating rod (26) concentrically; Second bevel gear (30), the second bevel gear (30) is fixedly connected on second rotating rod (28), and second bevel gear (30) is engaged with first bevel gear (29).

7. The stator winding device for electric motor production of an electric vehicle according to claim 6, characterized in that, The side wall of the sliding block (19) is rotatably provided with a winding roller (31), and the one side of the rotating seat (22) is provided with a wire inlet hole (32) communicated with the cavity (24).

8. The stator winding device for electric motor production of an electric vehicle according to claim 7, characterized in that, The bottom of the workbench (1) is fixedly provided with a third motor (33) and a fourth motor (34), the output shaft of the third motor (33) penetrates the workbench (1) and is fixedly connected with the bottom of the base (3), and the output shaft of the fourth motor (34) penetrates the workbench (1) and is fixedly connected with the bottom of the support (15).

9. The stator winding device for electric motor production of an electric vehicle according to claim 8, characterized in that, The bottom surface of the mounting cavity (4) is provided with a hydraulic cylinder (35), the top of the piston rod of the hydraulic cylinder (35) is fixedly connected with a top block (36), and the top block (36) abuts against the bottom surface of the stator (5).

10. The stator winding device for electric motor production of an electric vehicle according to claim 9, characterized in that, The top end of the stator (5) is fixedly connected with a plurality of winding columns (37).

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