A vehicle chassis axial flux motor

Abstract

The invention discloses an axial flux motor technical field, specifically an axial flux motor for a vehicle chassis, comprising an outer shell, wherein the upper and lower side surfaces of the outer shell are both symmetrically fixedly connected with a guide docking mechanism, the upper and lower sides of the outer shell are symmetrically installed with end shells, the outer surface of the end shell is fixedly connected with a heat dissipation fin, a rotor shaft is inserted through and inserted between the upper and lower end shells, the rotor shaft is symmetrically and fixedly sleeved with bearings, a circular plate is fixedly sleeved between two bearings on the rotor shaft, and a rotor back iron is sleeved on the circular plate on the rotor shaft. The beneficial effect of the invention is that when the coil winding sleeve and the stator core in the axial flux motor need to be assembled, the stator core is firstly inserted into the end shell, and multiple positioning blocks are respectively inserted into multiple positioning grooves through the cooperation of multiple locking mechanisms, so that the stator core and the end shell are fixedly connected.

Description

Technical Field

[0001] The invention relates to the technical field of axial flux motors, and in particular to an axial flux motor for a vehicle chassis. Background Art

[0002] Axial flux motors are increasingly used in new energy vehicles due to their compact structure, high torque density, high power density, and high working efficiency. Axial flux motors include a stator and a rotor arranged axially, and the stator includes a stator core and a coil wound on the stator core. When assembling the stator core and coil in the motor housing, some use a shrink fit process to achieve interference fit, which makes the assembly process complicated and difficult; some assemble the positioning core first and put it into the motor housing, and then fix it by gluing or other methods. After the stator core, coil, motor housing and other components are assembled, they need to be inspected for quality. Once a stator core or coil is damaged, the existing assembly method has a cumbersome disassembly process, and it is necessary to disassemble the entire assembly again, especially through fixed connection methods such as gluing, which is very inconvenient to disassemble. During the disassembly process, the stator core or coil is often damaged for the second time, causing greater losses. Therefore, the existing assembly process of the stator core, coil, motor housing and other components is inconvenient, and the disassembly method is more cumbersome, which affects the processing efficiency, and the maintenance cost is high, which is not conducive to actual processing operations. Summary of the invention

[0003] The object of the present invention is to provide a chassis axial flux motor for a vehicle to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an axial flux motor for a vehicle chassis, comprising an outer shell, the upper and lower side surfaces of the outer shell are both symmetrically fixedly connected with a guide docking mechanism, the upper and lower sides of the outer shell are symmetrically installed with end shells, the outer surface of the end shell is fixedly connected with a heat dissipation fin, a rotor shaft is inserted through and inserted between the upper and lower end shells, the rotor shaft is symmetrically fixedly sleeved with bearings, a circular plate is fixedly sleeved between the two bearings on the rotor shaft, a rotor back iron is sleeved on the circular plate on the rotor shaft, a plurality of magnets N and a plurality of magnets S are fixedly installed in an annular array on the upper and lower side surfaces of the rotor back iron, a stator core is symmetrically arranged on the upper and lower sides of the rotor back iron, the stator core is installed in the inner cavity of the end shell, a plurality of coil winding sleeves are installed in an annular array on the opposite surfaces of the two stator cores, an armature winding is wound on the coil winding sleeve, and a plurality of locking mechanisms for fixing the coil winding sleeves are installed in an annular array on the stator core.

[0005] Preferably, the rotor back iron is fixedly connected to the circular plate by bolts and nuts, the magnets N and the magnets S are alternately distributed, and the rotor back iron is arranged in the inner cavity of the outer shell.

[0006] Preferably, the guide docking mechanism includes a guide plug plate fixedly connected to the side surface of the outer shell, an installation groove is provided at the end of the guide plug plate, and limit blocks are symmetrically installed at both ends of the installation groove, a first elastic sheet is arranged between the two limit blocks, one side of the end shell is tightly fitted with the side surface of the outer shell, the end shell and the outer shell are fixedly connected by screws and nuts, guide grooves are symmetrically provided on the side surface of the end shell, a limit groove is provided at one end of the guide groove away from the outer shell, and a protective cover is clamped on the limit groove.

[0007] Preferably, the guide plug plate is movably connected to the guide groove, the end of the guide plug plate passes through the guide groove and extends into the limit groove, the limit block is slidably connected to the guide plug plate, the end of the limit block passes through the guide plug plate and extends into the limit groove, the end of the limit block is arranged in a slope, and the limit block is engaged with the limit groove.

[0008] Preferably, a side of the stator core close to the rotor back iron is provided with a plurality of protrusions in a ring array, a slot is provided at the lower end of the protrusion from bottom to top, a strip groove is provided on the outer side of the protrusion, the coil winding sleeve is sleeved on the protrusion, a docking strip is fixedly connected to the inner side of the coil winding sleeve, a slot is provided on the side of the docking strip, and the docking strip is clamped with the strip groove.

[0009] Preferably, an insert block is inserted into the slot, a movable groove is provided on the side of the insert block away from the rotor back iron, a rotation groove is provided on the side of the insert block close to the rotor back iron, and shrinkage grooves are symmetrically provided on the sides of the rotation groove. A positioning mechanism is installed in the shrinkage groove, and the locking mechanism is installed on the insert block, and the positioning mechanism is used to position the locking mechanism.

[0010] Preferably, the locking mechanism includes a rectangular tube slidably installed in the movable groove, a second elastic sheet is fixedly installed on the side of the rectangular tube, one side of the second elastic sheet abuts against the inner wall of the movable groove, and a positioning block and a locking block are fixedly connected to the side of the rectangular tube away from the second elastic sheet, and the positioning block and the locking block are both slidably connected to the plug block and the stator core, a cam is installed in the inner cavity of the rectangular tube, one end of the cam is fixedly connected to a round rod, one end of the round rod passes through the plug block and extends into the rotating groove, and a knob is fixedly sleeved on the end of the round rod away from the cam, and locking holes are symmetrically opened on the sides of the knob.

[0011] Preferably, the sides of the positioning block and the locking block are both sloped, and the inner wall of the end shell is provided with a plurality of positioning grooves in a circular array, one end of the positioning block passes through the plug block, the stator core and the positioning groove in sequence, and one end of the locking block passes through the plug block, the stator core and the slot in sequence.

[0012] Preferably, the cam is in rolling contact with the inner wall of the rectangular tube, and the round rod is rotatably connected to the plug block.

[0013] Preferably, the positioning mechanism includes a spring pin slidably installed in the contraction groove, the end of the spring pin is plugged with a locking spring, and the other end of the locking spring is plugged with one end of the inner cavity of the contraction groove.

[0014] Compared with the prior art, the invention has the following advantages:

[0015] 1. When the coil winding sleeve and the stator core in the axial flux motor need to be assembled, the stator core is first inserted into the end housing, and multiple positioning blocks are respectively inserted into multiple positioning grooves through the cooperation of multiple locking mechanisms, so that the stator core and the end housing are fixedly connected;

[0016] Then the coil winding sleeve is sleeved on the raised portion of the stator core. At this time, the coil winding sleeve drives the docking strip to engage with the strip groove on the outer side of the raised portion, so that the locking block in the locking mechanism engages with the slot on the side of the docking strip, thereby fixing the coil winding sleeve and the raised portion on the side of the stator core, thereby completing the installation of the coil winding sleeve.

[0017] 2. Sleeve the outer shell onto the rotor shaft and the rotor back iron, and then sleeve the two end shells onto the upper and lower ends of the rotor shaft respectively, insert the guide plug plate along the guide groove on the side of the end shell, and engage the limit block with the limit groove, so as to preliminarily position and fix the end shell and the outer shell, and accurately align the threaded holes or holes on the end shell and the outer shell, and then further fix the end shell and the outer shell by screws and nuts.

[0018] 3. When a coil winding sleeve or the armature winding thereon is damaged and needs to be replaced, the knob is turned, and the knob drives the cam to rotate through the round rod, and the convex part of the cam pushes the rectangular tube to slide along the movable groove, so that the rectangular tube squeezes the second elastic sheet, and when the rectangular tube drives the locking block to move out of the slot, the coil winding sleeve can be removed from the convex part of the stator core, and then it can be changed; the installation and disassembly of the coil winding sleeve is simple and convenient, which greatly improves the efficiency of replacement, and other coil winding sleeves and armature windings will not be damaged during the replacement process, saving the cost of replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of the vehicle chassis axial flux motor of the present invention;

[0020] Figure 2 It is a side cross-sectional view of the local structure of the vehicle chassis axial flux motor of the present invention;

[0021] Figure 3 for Figure 2 A schematic diagram of the structure enlargement in the middle;

[0022] Figure 4 It is an exploded view of the outer shell, the guide docking mechanism and the end shell structure of the present invention;

[0023] Figure 5 This is a cross-sectional view of the structure of the vehicle chassis axial flux motor of the present invention;

[0024] Figure 6 for Figure 5 A magnified schematic diagram of the structure at B in the middle;

[0025] Figure 7 for Figure 5 A magnified schematic diagram of the structure at C in the middle;

[0026] Figure 8 This is an exploded view of the vehicle chassis axial flux motor structure of the present invention;

[0027] Fig. 9 It is an exploded view of the end housing, rotor shaft, rotor back iron and stator core structure of the present invention;

[0028] Fig.10 The exploded diagram of the coil winding sleeve and the armature winding structure of the present invention;

[0029] Fig.11 It is an exploded view of the coil winding sleeve, insert block, locking mechanism and positioning mechanism structure of the present invention.

[0030] In the figure: 1, outer shell; 11, guide plug plate; 12, mounting groove; 13, limit card block; 14, first elastic sheet; 2, end shell; 21, guide groove; 22, limit groove; 23, positioning groove; 24, heat dissipation fin; 25, protective cover; 3, rotor shaft; 31, bearing; 32, circular plate; 33, rotor back iron; 34, magnet N; 35, magnet S; 4, stator core; 41, slot; 42, strip slot; 5, coil winding sleeve; 51, armature winding; 52, docking strip; 53, card slot; 6, plug block; 61, movable slot; 62, rotating slot; 63, contraction slot; 7, rectangular tube; 71, second elastic sheet; 72, positioning block; 73, locking block; 74, cam; 75, round rod; 76, knob; 77, locking hole; 8, spring pin; 81, locking spring. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] See also Figures 1 to 11 The present invention provides a technical solution: an axial flux motor for a vehicle chassis, comprising an outer shell 1, wherein the upper and lower sides of the outer shell 1 are both symmetrically fixedly connected with a guide docking mechanism, the upper and lower sides of the outer shell 1 are symmetrically installed with end shells 2, and the outer side of the end shell 2 is fixedly connected with a heat dissipation fin 24, and a rotor shaft 3 is inserted and inserted between the upper and lower end shells 2, and the rotor shaft 3 is a concentric shaft or an eccentric shaft, and the rotor shaft 3 is symmetrically fixedly sleeved with bearings 31, and a circular plate 32 is fixedly sleeved between the two bearings 31 on the rotor shaft 3, and the outer ring of the bearing 31 is connected to the end shell 2, and a rotor back iron 33 is sleeved on the circular plate 32 on the rotor shaft 3, and the rotor back iron The upper and lower side surfaces of 33 are both fixedly mounted with a plurality of magnets N34 and a plurality of magnets S35 in an annular array. The plurality of magnets N34 and the plurality of magnets S35 are both fixedly embedded in the side surface of the rotor back iron 33 in an annular array, and the two symmetrical magnets on the upper and lower side surfaces of the rotor back iron 33 are magnets N34 and magnets S35 respectively. The upper and lower sides of the rotor back iron 33 are symmetrically provided with stator cores 4, which are mounted in the inner cavity of the end shell 2. The opposite surfaces of the two stator cores 4 are both installed with a plurality of coil winding sleeves 5 in an annular array, and the armature winding 51 is wound on the coil winding sleeve 5. The stator core 4 is installed with a plurality of locking mechanisms for fixing the coil winding sleeve 5 in an annular array.

[0033] See also Figure 8 and Fig. 9 The rotor back iron 33 is fixedly connected to the circular plate 32 by bolts and nuts. The magnets N34 and S35 are alternately distributed. The rotor back iron 33 is arranged in the inner cavity of the outer shell 1. When the rotor shaft 3 rotates, the rotor back iron 33, the magnets N34 and the magnets S35 are driven to rotate synchronously.

[0034] See also Figures 2 to 4The guide docking mechanism includes a guide plug plate 11 fixedly connected to the side of the outer shell 1, and a mounting groove 12 is opened at the end of the guide plug plate 11. Limiting blocks 13 are symmetrically installed at both ends of the mounting groove 12. A first elastic sheet 14 is arranged between the two limiting blocks 13. The two sides of the first elastic sheet 14 are respectively abutted against the two limiting blocks 13. The first elastic sheet 14 applies elastic force to the limiting blocks 13. One side of the end shell 2 is tightly fitted with the side of the outer shell 1. The end shell 2 and the outer shell 1 are fixedly connected by screws and nuts. Guide grooves 21 are symmetrically opened on the side of the end shell 2. A limiting groove 22 is opened at one end of the guide groove 21 away from the outer shell 1, and a protective cover 25 is clamped on the limiting groove 22.

[0035] The guide plug plate 11 is movably connected with the guide groove 21, and the end of the guide plug plate 11 passes through the guide groove 21 and extends into the limit groove 22. The limit block 13 is slidably connected with the guide plug plate 11, and the end of the limit block 13 passes through the guide plug plate 11 and extends into the limit groove 22. The end of the limit block 13 is arranged in a slope, and the limit block 13 is engaged with the limit groove 22.

[0036] When it is necessary to assemble the outer shell 1 and the two end shells 2, the guide plug plate 11 is inserted along the guide groove 21 on the side of the end shell 2. When the limiting block 13 contacts the side wall of the guide groove 21, the slope of the limiting block 13 first contacts the side wall of the guide groove 21, and at the same time squeezes the two limiting blocks 13 to shrink into the installation groove 12. When the opening side of the end shell 2 is tightly fitted with the side of the outer shell 1, the limiting block 13 extends outward along the installation groove 12 under the action of the elastic force of the first elastic sheet 14, so that the limiting block 13 is engaged with the limiting groove 22, thereby preliminarily positioning and fixing the end shell 2 and the outer shell 1, and accurately aligning the threaded holes or holes on the end shell 2 and the outer shell 1, so as to facilitate subsequent further fixation by screws and nuts.

[0037] See also Figure 5 , Figure 6 , Figure 8 and Fig. 9 A plurality of protrusions are protruded in a ring array on one side of the stator core 4 close to the rotor back iron 33. A slot 41 is provided at the lower end of the protrusion from bottom to top, and a strip groove 42 is provided on the outer side of the protrusion. The coil winding sleeve 5 is sleeved on the protrusion, and a docking strip 52 is fixedly connected to the inner side of the coil winding sleeve 5. A slot 53 is provided on the side of the docking strip 52, and the docking strip 52 is clamped with the strip groove 42.

[0038] When installing the coil winding sleeve 5 , the coil winding sleeve 5 is sleeved on the raised portion of the stator core 4 . At this time, the coil winding sleeve 5 drives the butt joint strip 52 to engage with the strip groove 42 on the outer side of the raised portion.

[0039] See also Figures 5 to 11 An insert block 6 is inserted into the slot 41, a movable slot 61 is provided on the side of the insert block 6 away from the rotor back iron 33, a rotation slot 62 is provided on the side of the insert block 6 close to the rotor back iron 33, and contraction slots 63 are symmetrically provided on the side of the rotation slot 62. A positioning mechanism is installed in the contraction slot 63, and a locking mechanism is installed on the insert block 6. The positioning mechanism is used to position the locking mechanism.

[0040] The locking mechanism includes a rectangular tube 7 slidably installed in the movable groove 61, a second elastic sheet 71 is fixedly installed on the side of the rectangular tube 7, one side of the second elastic sheet 71 abuts against the inner wall of the movable groove 61, a positioning block 72 and a locking block 73 are fixedly connected to the side of the rectangular tube 7 away from the second elastic sheet 71, the positioning block 72 and the locking block 73 are both slidably connected to the plug block 6 and the stator core 4, a cam 74 is installed in the inner cavity of the rectangular tube 7, one end of the cam 74 is fixedly connected to a round rod 75, one end of the round rod 75 passes through the plug block 6 and extends into the rotating groove 62, the end of the round rod 75 away from the cam 74 is fixedly sleeved with a knob 76, and locking holes 77 are symmetrically provided on the sides of the knob 76.

[0041] The sides of the positioning block 72 and the locking block 73 are both sloped, and the inner wall of the end shell 2 is provided with a plurality of positioning grooves 23 in a circular array. One end of the positioning block 72 passes through the plug block 6 and the stator core 4 in sequence and is plugged into the positioning groove 23, and one end of the locking block 73 passes through the plug block 6 and the stator core 4 in sequence and is plugged into the slot 53.

[0042] The length of the positioning block 72 inserted into the positioning groove 23 is longer than the length of the locking block 73 inserted into the locking groove 53 .

[0043] Under the action of the elastic force of the second elastic piece 71, the rectangular tube 7 drives the positioning block 72 and the locking block 73 to move, so that the end of the locking block 73 is engaged with the slot 53 on the side of the docking strip 52, so that the coil winding sleeve 5 is fixedly connected to the protrusion on the side of the stator core 4, thereby completing the installation of the coil winding sleeve 5;

[0044] At the same time, the positioning block 72 is inserted into the positioning groove 23 on the side of the end housing 2, so that the stator core 4 and the end housing 2 are fixedly connected.

[0045] The cam 74 is in rolling contact with the inner wall of the rectangular tube 7 , and the round rod 75 is rotatably connected with the insert block 6 .

[0046] By rotating the knob 76, the knob 76 drives the cam 74 to rotate through the round rod 75, and the raised portion of the cam 74 moves toward a side wall of the rectangular tube 7. The raised portion of the cam 74 pushes the rectangular tube 7 to slide along the movable groove 61, so that the rectangular tube 7 squeezes the second elastic sheet 71, and the rectangular tube 7 drives the positioning block 72 and the locking block 73, so that when the locking block 73 is moved out of the slot 53, the positioning block 72 is moved out of the positioning slot 23 at the same time.

[0047] See also Figure 7 The positioning mechanism includes a spring pin 8 slidably installed in the contraction groove 63 , the end of the spring pin 8 is plugged with a locking spring 81 , and the other end of the locking spring 81 is plugged with one end of the inner cavity of the contraction groove 63 .

[0048] During the rotation of knob 76, when knob 76 contacts the raised end of spring pin 8, knob 76 pushes spring pin 8 to shrink into shrinkage groove 63, and spring pin 8 squeezes locking spring 81; when locking hole 77 on the side of knob 76 rotates to the end of spring pin 8, the raised portion of spring pin 8 is engaged with locking hole 77 under the action of the elastic force of locking spring 81, thereby locking knob 76.

[0049] When the end housing 2 needs to be separated from the outer housing 1, the positioning blocks 72 in the multiple locking mechanisms are all moved out of the positioning grooves 23, and at the same time, the spring pin 8 in the positioning mechanism is engaged with the locking hole 77 on the side of the knob 76, so that the knob 76 is locked, and then the locking mechanism is locked to prevent the positioning block 72 from being inserted into the positioning groove 23 at this time;

[0050] Then, the limiting block 13 is pushed into the installation groove 12 , and the end shell 2 can be disassembled and separated from the outer shell 1 .

[0051] The axial flux motor of the present invention can significantly reduce the size of the motor, lighten the weight of the motor, and improve the loading capacity while maintaining high efficiency. The axial flux structure of the double-stator single-rotor is beneficial to heat dissipation and noise reduction.

[0052] The double-stator single-rotor structure is adopted mainly because the structure of the double-stator single-rotor axial motor is relatively simple.

[0053] The stator of the motor model is divided into two different parts, the upper and lower parts, and the rotor is only one. This type of motor has high power density and high torque density, low working noise, excellent thermal stability, and can operate reliably in high temperature and high pressure environments.

[0054] The direction of the magnetic circuit is usually transmitted in the axial direction, and a magnetic circuit is formed between the rotor and the stator through permanent magnets or electromagnetic coils, allowing the motor to operate normally.

[0055] Working principle: when the coil winding sleeve 5 and the stator core 4 in the axial flux motor need to be assembled, the stator core 4 is first inserted into the end housing 2. When the positioning block 72 contacts the inner wall of the end housing 2, the inner wall of the end housing 2 pushes the positioning block 72 to move into the movable groove 61. When the side surface of the stator core 4 contacts the side surface of the end housing 2, the end of the positioning block 72 is aligned with the positioning groove 23. Under the action of the elastic force of the second elastic sheet 71, the positioning block 72 is inserted into the positioning groove 23. Through the cooperation of multiple locking mechanisms, multiple positioning blocks 72 are respectively inserted into multiple positioning grooves 23, so that the stator core 4 and the end housing 2 are fixedly connected.

[0056] Then, the coil winding sleeve 5 is sleeved on the raised portion of the stator core 4. At this time, the coil winding sleeve 5 drives the docking strip 52 to engage with the strip groove 42 on the outer side of the raised portion.

[0057] When the docking strip 52 contacts the locking block 73, the docking strip 52 pushes the locking block 73 to move into the movable groove 61, and the locking block 73 squeezes the second elastic sheet 71 through the rectangular tube 7. When the coil winding sleeve 5 is completely sleeved on the protruding portion of the stator core 4, the second elastic sheet 71 pushes the rectangular tube 7 to slide along the movable groove 61 under the elastic force of the second elastic sheet 71, and the rectangular tube 7 drives the locking block 73 to move, so that the locking block 73 is engaged with the slot 53 on the side of the docking strip 52, so that the coil winding sleeve 5 is fixedly connected to the protruding portion on the side of the stator core 4, thereby completing the installation of the coil winding sleeve 5;

[0058] The outer shell 1 is sleeved on the rotor shaft 3 and the rotor back iron 33, and then the two end shells 2 are sleeved on the upper and lower ends of the rotor shaft 3 respectively, so that the guide plug plate 11 is inserted along the guide groove 21 on the side of the end shell 2. When the limiting block 13 contacts the side wall of the guide groove 21, the slope of the limiting block 13 first contacts the side wall of the guide groove 21, and at the same time, the two limiting blocks 13 are squeezed to shrink into the installation groove 12. When the opening side of the end shell 2 is tightly fitted with the side of the outer shell 1, the limiting block 13 is extended outward along the installation groove 12 under the action of the elastic force of the first elastic sheet 14, so that the limiting block 13 is engaged with the limiting groove 22, and then the end shell 2 and the outer shell 1 are preliminarily positioned and fixed, and at the same time, the threaded holes or holes on the end shell 2 and the outer shell 1 are accurately aligned, and then the end shell 2 and the outer shell 1 are further fixed by screws and nuts.

[0059] When the end shell 2 needs to be disassembled and separated from the outer shell 1, the screw and nut are first removed from the end shell 2 and the outer shell 1, and then the limit block 13 is pushed into the installation groove 12, and the guide groove 21 on the side of the end shell 2 is slid along the guide plug plate 11 to disassemble and separate the end shell 2 from the outer shell 1;

[0060] When a coil winding sleeve 5 or the armature winding 51 thereon is damaged and needs to be replaced, by turning the knob 76, the knob 76 drives the cam 74 to rotate through the round rod 75, and the convex part of the cam 74 pushes the rectangular tube 7 to slide along the movable groove 61, so that the rectangular tube 7 squeezes the second elastic sheet 71, and the rectangular tube 7 drives the locking block 73 to move out of the slot 53, at this time, the coil winding sleeve 5 can be removed from the convex part of the stator core 4, and then it can be changed;

[0061] The installation and removal of the coil winding sleeve 5 are simple and convenient, which greatly improves the replacement efficiency. In addition, other coil winding sleeves 5 and armature winding 51 will not be damaged during the replacement process, thus saving the replacement cost.

[0062] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A chassis axial flux motor for a vehicle, comprising an outer housing (1), characterized in that: The upper and lower side surfaces of the outer shell (1) are both symmetrically fixedly connected with a guide docking mechanism, the guide docking mechanism comprising a guide plug plate (11) fixedly connected to the side surface of the outer shell (1), the end of the guide plug plate (11) is provided with a mounting groove (12), the two ends of the mounting groove (12) are symmetrically installed with limit blocks (13), a first elastic sheet (14) is arranged between the two limit blocks (13), one side of the end shell (2) is tightly fitted with the side surface of the outer shell (1), the end shell (2) and the outer shell (1) are fixedly connected by a screw and a nut, the side surface of the end shell (2) is symmetrically provided with a guide groove (21), the end of the guide groove (21) away from the outer shell (1) is provided with a limit groove (22), and a protective cover (25) is clamped on the limit groove (22); The outer shell (1) is symmetrically mounted with end shells (2) on the upper and lower sides, and the outer side of the end shell (2) is fixedly connected with a heat dissipation fin (24), and a rotor shaft (3) is inserted and inserted between the upper and lower end shells (2), and the rotor shaft (3) is symmetrically and fixedly sleeved with bearings (31) on the upper and lower sides, and a circular plate (32) is fixedly sleeved on the rotor shaft (3) between the two bearings (31), and a rotor back iron (33) is sleeved on the circular plate (32) on the rotor shaft (3), and the upper and lower sides of the rotor back iron (33) are A plurality of magnets N (34) and a plurality of magnets S (35) are fixedly mounted in an annular array on the surfaces of the rotor back iron (33); a stator core (4) is symmetrically arranged on the upper and lower sides of the rotor back iron (33); the stator core (4) is mounted in the inner cavity of the end shell (2); a plurality of coil winding sleeves (5) are mounted in an annular array on the opposite surfaces of the two stator cores (4); an armature winding (51) is wound on the coil winding sleeves (5); and a plurality of locking mechanisms for fixing the coil winding sleeves (5) are mounted in an annular array on the stator core (4); A plurality of protrusions are provided in an annular array on one side of the stator core (4) close to the rotor back iron (33); a slot (41) is provided at the lower end of the protrusion and penetrates from bottom to top; a strip groove (42) is provided on the outer side of the protrusion; the coil winding sleeve (5) is sleeved on the protrusion; a docking strip (52) is fixedly connected to the inner side of the coil winding sleeve (5); a clamping slot (53) is provided on the side of the docking strip (52); and the docking strip (52) is clamped with the strip groove (42); An insert block (6) is inserted into the slot (41); a movable slot (61) is provided on a side of the insert block (6) away from the rotor back iron (33); a rotation slot (62) is provided on a side of the insert block (6) close to the rotor back iron (33); contraction slots (63) are symmetrically provided on the side of the rotation slot (62); a positioning mechanism is installed in the contraction slot (63); the locking mechanism is installed on the insert block (6); and the positioning mechanism is used to position the locking mechanism; The locking mechanism comprises a rectangular tube (7) slidably mounted in the movable groove (61); a second elastic sheet (71) is fixedly mounted on the side of the rectangular tube (7); one side of the second elastic sheet (71) abuts against the inner side wall of the movable groove (61); a positioning block (72) and a locking block (73) are fixedly connected to the side of the rectangular tube (7) away from the second elastic sheet (71); the positioning block (72) and the locking block (73) are both slidably connected to the plug block (6) and the stator core (4); a cam (74) is mounted in the inner cavity of the rectangular tube (7); one end of the cam (74) is fixedly connected to a round rod (75); one end of the round rod (75) passes through the plug block (6) and extends into the rotating groove (62); one end of the round rod (75) away from the cam (74) is fixedly sleeved with a knob (76); and locking holes (77) are symmetrically provided on the side of the knob (76).

2. The vehicle chassis axial flux motor according to claim 1, characterized in that: The rotor back iron (33) is fixedly connected to the circular plate (32) by means of bolts and nuts, the magnets N (34) and the magnets S (35) are alternately distributed, and the rotor back iron (33) is arranged in the inner cavity of the outer shell (1).

3. The vehicle chassis axial flux motor according to claim 1, characterized in that: The guide plug plate (11) is movably plugged into the guide groove (21), an end of the guide plug plate (11) passes through the guide groove (21) and extends into the limit groove (22), the limit clamping block (13) is slidably connected to the guide plug plate (11), an end of the limit clamping block (13) passes through the guide plug plate (11) and extends into the limit groove (22), the end of the limit clamping block (13) is arranged in a sloped surface, and the limit clamping block (13) is plugged into the limit groove (22).

4. The vehicle chassis axial flux motor according to claim 1, characterized in that: The side surfaces of the positioning block (72) and the locking block (73) are both arranged in a sloped surface, and the inner side wall of the end shell (2) is provided with a plurality of positioning grooves (23) in a ring array, one end of the positioning block (72) sequentially passes through the plug block (6), the stator core (4) and is plugged into the positioning groove (23), and one end of the locking block (73) sequentially passes through the plug block (6), the stator core (4) and is plugged into the clamping groove (53).

5. The vehicle chassis axial flux motor according to claim 1, characterized in that: The cam (74) is in rolling contact with the inner wall of the rectangular tube (7), and the round rod (75) is rotatably connected to the insert block (6).

6. The vehicle chassis axial flux motor according to claim 1, characterized in that: The positioning mechanism comprises a spring pin (8) slidably mounted in the contraction groove (63), a locking spring (81) being inserted into the end of the spring pin (8), and the other end of the locking spring (81) being inserted into one end of the inner cavity of the contraction groove (63).

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