CN113098206A

CN113098206A - Assembling device for built-in motor of electric motorcycle

Info

Publication number: CN113098206A
Application number: CN202110370225.6A
Authority: CN
Inventors: 刘彦; 倪锦良
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2021-07-09

Abstract

The invention discloses an assembling device of an electric motorcycle built-in motor, relating to the technical field of motor assembly; in order to solve the problem of efficiency; the die specifically comprises a base and an upper die and a lower die which are identical in structure, wherein a top plate is fixedly mounted on the outer wall of the top of the base through a support column, a driving mechanism is arranged at the top of the top plate, a transition plate is connected to the bottom of the driving mechanism, a pressing mechanism is arranged at the bottom of the transition plate, the upper die is fixedly mounted at the bottom of the pressing mechanism, the lower die is fixedly mounted on the outer wall of the top of the base, and two sets of symmetrical supporting mechanisms are arranged on the outer wall of one side, opposite to the transition plate. When the motor rotates, the motor drives the cam to rotate, the limiting frame can press the transition plate downwards through the connecting component due to the matching of the cam and the roller, so that the upper die is pressed downwards, and the bearing inner ring and the rotor shaft as well as the bearing outer ring and the end cover are pressed through the matching of the upper die and the lower die, so that manual pressing is not needed, the pressing is convenient and labor-saving, and the efficiency is high.

Description

Assembling device for built-in motor of electric motorcycle

Technical Field

The invention relates to the technical field of motor assembly, in particular to an assembly device for an internal motor of an electric motorcycle.

Background

The motorcycle is as convenient instrument of riding instead of walk, is liked by people deeply, but along with energy saving and emission reduction and environmental protection mouthful of getting up, former fuel motorcycle is mostly changed into electric motorcycle, and one of electric motorcycle's core component is exactly the motor, and the motor is when the equipment, needs to make up rotor and stator, and during the actual factory adds man-hour, after it impresses the casing with the stator, sheathes the bearing respectively with rotor shaft both ends, impresses the end cover with the bearing, assembles both sides end cover and the casing of pressure equipment stator again.

Through search, chinese patent publication No. CN106026541B discloses a motor assembly apparatus, which includes a frame body, a fixing structure, an installation structure, a pressing structure, and a pneumatic screw package. The frame body is provided with a first end surface; the fixing device is arranged on the first end face and used for positioning a carbon brush plate end of the motor; the mounting structure is arranged on the first end face and used for mounting an output shaft end cover of the motor; the pressing structure is arranged on the first end face and used for pressing an output shaft end cover of the motor; and the pneumatic screw package is used for connecting the output shaft end cover of the motor with the carbon brush disk end through screws.

The above patents suffer from the following disadvantages: it is through pressing mechanism suppression end cover, and the actual need manual operation, inefficiency and inconvenient, the precision also is difficult to hold.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides an assembling device for an internal motor of an electric motorcycle.

In order to achieve the purpose, the invention adopts the following technical scheme:

an assembling device of an electric motorcycle built-in motor comprises a base, an upper die and a lower die which are identical in structure, wherein a top plate is fixedly installed on the outer wall of the top of the base through a support column, a driving mechanism is arranged on the top of the top plate, a transition plate is connected to the bottom of the driving mechanism, a pressure applying mechanism is arranged on the bottom of the transition plate, the upper die is fixedly installed on the bottom of the pressure applying mechanism, the lower die is fixedly installed on the outer wall of the top of the base, two groups of symmetrical supporting mechanisms are arranged on the outer wall of one side, opposite to the transition plate, of the base, the driving mechanism comprises a motor and a rotating shaft, at least three bearing plates are fixed on the outer wall of the top plate through bolts, the rotating shaft is rotatably connected to the inner walls of the bearing plates, the motor is fixed on the outer wall of one of, the bottom cooperation of cam is used and is had the gyro wheel, and the outer wall of gyro wheel rotates and is connected with spacing, and the bottom of spacing is passed through coupling assembling and is connected on the top outer wall of crossing the cab apron, the top of crossing the cab apron is passed through slide bar sliding connection on the outer wall of roof, the outer wall cover of slide bar one is equipped with spring one, the cam is the biconvex structure, and the biconvex distance apart from centre of rotation is different.

Preferably: the pressure applying mechanism comprises a second sliding rod and a second spring, the bottom of the second sliding rod is fixed on the outer wall of the top of the upper die through a bolt, the outer wall of the second sliding rod is connected to the inner wall of the transition plate in a sliding mode, and the second spring is sleeved on the outer wall of the second sliding rod.

Further: the connecting assembly comprises two screw rods and a sleeve, and the two screw rods are connected to two sides of the sleeve through threads with opposite screwing directions.

On the basis of the scheme: the outer walls of the two screws are both connected with locknuts through threads.

The better scheme in the scheme is as follows: go up the mould and all include pedestal and location arch with the bed die, the inner wall of pedestal from top to bottom has seted up in proper order and has dodged the hole with bearing inner race complex bearing groove and the rotor shaft that is used for dodging the rotor shaft, all corresponds with end cover bolt hole quantity, shape, size protruding fixed mounting in location is on the top outer wall of pedestal.

As a further scheme of the invention: and a base plate is arranged on the inner wall of the bottom of the bearing groove.

Meanwhile, a magnetic ring is arranged in the seat body.

As a preferable aspect of the present invention: the supporting mechanism comprises a first connecting rod and a second connecting rod, one side of the first connecting rod close to the second connecting rod is connected with one side of the second connecting rod in a rotating mode, the far side of the first connecting rod is connected to the outer wall of the opposite side of the transition plate and the outer wall of the base in a rotating mode, and a supporting assembly is fixedly installed at the rotating connection position of the first connecting rod and the second connecting rod.

Simultaneously, support the subassembly and include V type clamping jaw and connecting block, one side outer wall of V type clamping jaw is provided with the centre gripping side arm of two sets of symmetries, and every group centre gripping side arm is equidistant arranging of interval formula, the inner wall scarf joint of centre gripping side arm has the ball.

As a more preferable scheme of the invention: the V-shaped clamping jaw is connected with the connecting block in a sliding mode through the sliding rod III, and the outer wall of the spring III is sleeved with the spring III.

The invention has the beneficial effects that:

1. this electric motorcycle car built-in motor's assembly device, when the motor rotated, it drove the cam through the pivot and rotated, and the cooperation of cam and gyro wheel can make spacing frame push down the cab apron through coupling assembling to push down the mould, through the cooperation of last mould and bed die, carry out the pressfitting with bearing inner race and rotor shaft, bearing inner race and end cover, thereby need not artifical pressfitting, comparatively convenient laborsaving, and efficiency is higher.

2. This electric motorcycle car built-in motor's assembly device sets up the cam into two protruding structures, during the rotation, the boss that is nearer apart from the centre of rotation cooperates with the gyro wheel earlier, with bearing and end cover cooperation one section distance after, continues to rotate, and the arch of opposite side puts it pressfitting in place, divide into two independent stages with whole pressfitting process, prevents deformation and damage that bearing inner race and rotor shaft, bearing inner race and end cover long distance short time friction caused.

3. According to the assembling device of the built-in motor of the electric motorcycle, the spring II is arranged, the pressing force is applied through the two pairs of upper dies of the spring, on one hand, the elastic force of the spring II is the pressing force and can be controlled through the deformation amount of the spring II, the assembling device is accurate, on the other hand, the maximum static friction force is larger than the sliding friction force due to the fact that the friction coefficient is fixed, when the inner ring of the bearing, the rotor shaft, the outer ring of the bearing and the end cover receive the elastic force of the spring II to reach the moment of the maximum static friction force, the bearing and the rotor shaft start to move, the compression amount of the spring II is reduced while the bearing and the end cover move, the elastic force is reduced, and damage to parts caused by the fact.

4. This electric motorcycle car internal motor's assembly device through being provided with screw rod and sleeve, when twisting the sleeve, its accessible screw thread effect changes whole coupling assembling's length for this device is on the one hand, when to fixed model rotor, and the accessible is twisted and is moved the sleeve and adjust the size of pressfitting power, and on the other hand, when to different model rotors, the accessible is twisted and is moved the sleeve and adjust the pressfitting distance, and is comparatively practical.

5. This electric motorcycle car built-in motor's assembly device puts two bearings and end cover respectively on the bearing groove and the location arch of last mould and bed die, insert the rotor in the bed die, the axis parallel alignment relatively of bearing, end cover and rotor can be kept to the bellied setting of bearing groove, location, when preventing the pressfitting, the scotch appears in the corner to can also prevent when the pressfitting, relative movement's displacement that appears ejecting in the twinkling of an eye etc. has guaranteed the accuracy and the security of pressfitting.

6. This electric motorcycle car internal motor's assembly device, it is fashionable when stepping down under the cab apron, connecting rod one this moment can make two support the subassembly and draw close each other with the rotation relation of being connected of connecting rod two to hug closely the rotor, prevent that it from appearing the pressfitting deviation, on the one hand, when it is hugged closely, bilateral symmetry sets up, can guarantee to hug closely center and last mould, the central coincidence of bed die, on the other hand, it is hugged closely power and is come from pressfitting power, when the synchronism is better, the harmony and the efficiency of device are higher, and the cost is lower.

7. This electric motorcycle car built-in motor's assembly device through being provided with the centre gripping side arm, its spaced type equidistant arrangement can make the centre gripping side arm that is located different V type clamping jaws can be crisscross each other to make the radius of cohesion change, adapt to different model rotors, and, through setting up spring three, one of them can control cohesion, and on the other hand can cushion the instantaneous impact of cohesion, prevents the rotor damage.

Drawings

Fig. 1 is a schematic overall structural diagram of an assembling device of an electric motorcycle built-in motor according to the present invention;

FIG. 2 is a schematic partial structural view of an assembly device for an electric motorcycle built-in motor according to the present invention;

FIG. 3 is a schematic view of a cam structure of an assembly device of an electric motorcycle built-in motor according to the present invention;

fig. 4 is a schematic structural diagram of a connecting assembly of an assembling device of an electric motorcycle built-in motor according to the present invention;

fig. 5 is a schematic cross-sectional view of a structural upper die or a lower die of the assembling device for the built-in motor of the electric motorcycle, which is provided by the invention;

fig. 6 is a schematic structural view of a supporting assembly of an assembling device of an electric motorcycle built-in motor according to the present invention.

In the figure: 1-base, 2-support column, 3-supporting mechanism, 4-top plate, 5-driving mechanism, 6-transition plate, 7-pressure mechanism, 8-connecting rod I, 9-supporting component, 10-connecting rod II, 11-upper die, 12-lower die, 13-motor, 14-rotating shaft, 15-bearing plate, 16-cam, 17-roller, 18-limiting frame, 19-connecting component, 20-spring I, 21-sliding rod I, 22-sliding rod II, 23-screw, 24-sleeve, 25-locknut, 26-base, 27-bearing groove, 28-positioning projection, 29-backing plate, 30-rotor shaft avoiding hole, 31-V type clamping jaw, 32-clamping side arm, 33-rolling balls, 34-sliding rods III, 35-springs III and 36-connecting blocks.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1:

an assembling device for an internal motor of an electric motorcycle comprises a base 1, an upper die 11 and a lower die 12 which are identical in structure, wherein the outer wall of the top of the base 1 is fixedly provided with a top plate 4 through a support column 2, the top of the top plate 4 is provided with a driving mechanism 5, the bottom of the driving mechanism 5 is connected with a transition plate 6, the bottom of the transition plate 6 is provided with a pressure applying mechanism 7, the upper die 11 is fixedly arranged at the bottom of the pressure applying mechanism 7, the lower die 12 is fixedly arranged on the outer wall of the top of the base 1, the outer wall of one side, opposite to the transition plate 6, of the base 1 is provided with two groups of symmetrical supporting mechanisms 3, the driving mechanism 5 comprises a motor 13 and a rotating shaft 14, the outer wall of the top plate 4 is fixedly provided with at least three bearing plates 15 through bolts, the rotating shaft 14 is rotatably connected to the inner walls of the bearing plates 15, and its output shaft passes through the shaft coupling and is connected with pivot 14, and the outer wall of pivot 14 has two at least cams 16 through the key-type connection, and the bottom cooperation of cam 16 is used and is had gyro wheel 17, and the outer wall of gyro wheel 17 rotates and is connected with spacing 18, and the bottom of spacing 18 is passed through coupling assembling 19 and is connected on the top outer wall of cab apron 6, the top of cab apron 6 is passed through slide bar 21 sliding connection on the outer wall of roof 4, the outer wall cover of slide bar 21 is equipped with spring one, cam 16 is the biconvex structure, and the distance that the biconvex is apart from centre of rotation is different.

When the device is used, two sides of a rotor are respectively sleeved with a bearing and an end cover from inside to outside and are placed into a lower die 12, when a motor 13 rotates, the motor drives a cam 16 to rotate through a rotating shaft 14, the limiting frame 18 can press down a transition plate 6 through a connecting component 19 due to the matching of the cam 16 and a roller 17, so that the upper die 11 is pressed down, the inner ring of the bearing is matched with a rotor shaft and the outer ring of the bearing is pressed with the end cover through the matching of the upper die 11 and the lower die 12, manual pressing is not needed, the device is convenient and labor-saving, the efficiency is high, in addition, the cam 16 is set into a double-convex structure, when the device rotates, a bulge close to a rotation center is firstly matched with the roller 17, the bearing is continuously rotated after being matched with the end cover for a certain distance, the bulge on the other side presses the bulge in place, the whole pressing process is divided, Deformation and damage caused by long-distance short-time friction between the bearing outer ring and the end cover.

Example 2:

an assembling device of an electric motorcycle built-in motor is shown in figure 2, and aims to solve the problem of limiting; the present embodiment is modified from embodiment 1 as follows: the pressure applying mechanism 7 comprises a second sliding rod 22 and a second spring, the bottom of the second sliding rod 22 is fixed on the outer wall of the top of the upper die 11 through a bolt, the outer wall of the second sliding rod 22 is connected to the inner wall of the transition plate 6 in a sliding mode, and the second spring is sleeved on the outer wall of the second sliding rod 22.

When the device is used, no matter the air cylinder, the oil cylinder, the threaded screw rod or the arrangement mode of the device is used for pressing, the pressing distance and the pressing force after the pressing in place are difficult to keep, and the device is provided with a second spring, the pressing force is exerted on the upper dies 11 through the two pairs of springs, on one hand, the elastic force of the second spring is the pressing force and can be controlled accurately through the deformation quantity of the second spring, on the other hand, because the friction coefficient is fixed, the maximum static friction force is larger than the sliding friction force, when the inner ring of the bearing and the rotor shaft, the outer ring of the bearing and the end cover receive the elastic action of the spring II to reach the maximum static friction force, the bearing starts to move, and when the second spring moves, the compression amount of the second spring is reduced, the elastic force is reduced, and the damage to parts caused by the pressing force which is greater than or equal to the maximum static friction force is still kept after the pressing in place can be effectively prevented.

Example 3:

an assembling device of an electric motorcycle built-in motor is shown in figure 4, and aims to solve the problem of limiting; the present embodiment makes the following improvements on the basis of embodiment 2: the connecting assembly 19 comprises two screws 23 and a sleeve 24, the two screws 23 are connected to two sides of the sleeve 24 through threads with opposite screwing directions, and the outer walls of the two screws 23 are connected with locknuts 25 through threads.

This embodiment is when using, and this device, through being provided with screw rod 23 and sleeve 24, when twisting sleeve 24, its accessible screw thread effect changes whole coupling assembling 19's length for this device is on the one hand, when to fixed model rotor, and the accessible is twisted sleeve 24 and is adjusted the size of pressfitting power, and on the other hand, when to different model rotors, the accessible is twisted sleeve 24 and is adjusted the pressfitting distance, and is comparatively practical.

Example 4:

an assembling device for an internal motor of an electric motorcycle is shown in figure 4, and aims to solve the positioning problem; this example is modified from example 3 as follows: go up mould 11 and bed die 12 and all include pedestal 26 and location arch 28, the inner wall of pedestal 26 from top to bottom has seted up in proper order and has dodged the rotor shaft of rotor shaft with bearing inner race complex bearing groove 27 and be used for dodging 30, the bottom inner wall of bearing groove 27 is provided with backing plate 29, all corresponds with end cover bolt hole quantity, shape, size protruding 28 fixed mounting in location is on the top outer wall of pedestal 26, just pedestal 26 embeds there is the magnetic ring.

When the pressing device is used, the two bearings and the end covers are respectively placed on the bearing grooves 27 and the positioning protrusions 28 of the upper die 11 and the lower die 12, the rotor is inserted into the lower die 12, the bearing grooves 27 and the positioning protrusions 28 can keep the axes of the bearings, the end covers and the rotor aligned in a relatively parallel mode, the corners are prevented from being scratched when pressing is conducted, the pressing is also prevented from being conducted, ejection displacement and the like occur in the moment of relative movement, and the accuracy and the safety of pressing are guaranteed.

Example 5:

an assembling device for an internal motor of an electric motorcycle is shown in figures 1 and 6, and aims to solve the positioning problem; this example is modified from example 4 as follows: the supporting mechanism 3 comprises a first connecting rod 8 and a second connecting rod 10, the first connecting rod 8 is rotatably connected with one side of the second connecting rod 10 close to each other, one far side of the first connecting rod 8 is rotatably connected to the outer wall of one side of the transition plate 6 and the outer wall of the base 1 opposite to each other, the supporting assembly 9 is fixedly installed at the rotating connection position of the first connecting rod 8 and the second connecting rod 10, the supporting assembly 9 comprises a V-shaped clamping jaw 31 and a connecting block 36, the outer wall of one side of the V-shaped clamping jaw 31 is provided with two groups of symmetrical clamping side arms 32, each group of clamping side arms 32 are arranged at intervals, balls 33 are embedded in the inner wall of each clamping side arm 32, the V-shaped clamping jaw 31 is connected with the connecting block 36 through a third sliding rod 34 in a sliding mode.

In the embodiment, when the transition plate 6 is depressurized, the two supporting assemblies 9 are close to each other due to the rotational connection relationship between the first connecting rod 8 and the second connecting rod 10, so as to tightly hold the rotor and prevent the rotor from generating lamination deviation, on one hand, when the rotor is tightly held, the two sides are symmetrically arranged, so that the tight holding center can be ensured to be superposed with the centers of the upper die 11 and the lower die 12, on the other hand, the tight holding power is derived from the lamination power, the synchronism is good, the coordination and the efficiency of the device are high, and the cost is low, in addition, the device can enable the clamping side arms 32 on different V-shaped clamping jaws 31 to be staggered with each other due to the arrangement of the clamping side arms 32 at intervals, so that the clamping radius is changed to adapt to rotors of different models, and due to the arrangement of the third spring 35, on one hand, the clamping force can be controlled, on the other hand, the instantaneous force of clamping can be buffered, preventing damage to the rotor.

The working principle is as follows: two bearings and end covers are respectively placed on a bearing groove 27 and a positioning bulge 28 of an upper die 11 and a lower die 12, a rotor is inserted into the lower die 12, when a motor 13 rotates, the motor drives a cam 16 to rotate through a rotating shaft 14, the cam 16 is matched with a roller 17, a limiting frame 18 can press down a transition plate 6 through a connecting component 19, so that the upper die 11 is pressed down, the inner ring of the bearing is pressed with the rotor shaft and the outer ring of the bearing and the end cover through the matching of the upper die 11 and the lower die 12, when a sleeve 24 is screwed, the length of the whole connecting component 19 can be changed through the screw action, on one hand, when the rotor is fixed in model, the size of the pressing force can be adjusted through screwing the sleeve 24, on the other hand, when the rotors are different in model, the pressing distance can be adjusted through screwing the sleeve 24, when the transition plate 6 is pressed down, the rotary connection relationship of a connecting rod I8 and a connecting rod II 10 can enable two holding components 9 to be close, thereby hugging the rotor.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. An assembling device of an internal motor of an electric motorcycle comprises a base (1), an upper die (11) and a lower die (12) which are identical in structure, and is characterized in that a top plate (4) is fixedly installed on the outer wall of the top of the base (1) through a support column (2), a driving mechanism (5) is arranged on the top of the top plate (4), a transition plate (6) is connected to the bottom of the driving mechanism (5), a pressure applying mechanism (7) is arranged at the bottom of the transition plate (6), the upper die (11) is fixedly installed at the bottom of the pressure applying mechanism (7), the lower die (12) is fixedly installed on the outer wall of the top of the base (1), two groups of symmetrical supporting mechanisms (3) are arranged on the outer wall of one side, opposite to the transition plate (6), of the base (1) and the transition plate (6), the driving mechanism (5) comprises a motor (13) and a rotating shaft (14), at least three bearing plates (15, pivot (14) rotate to be connected on the inner wall of bearing plate (15), and motor (13) are through one of them bolted fixation on the outer wall of bearing plate (15), and its output shaft passes through the shaft coupling and is connected with pivot (14), and the outer wall of pivot (14) has two at least cams (16) through the key-type connection, and the bottom cooperation of cam (16) is used and is had gyro wheel (17), and the outer wall of gyro wheel (17) rotates and is connected with spacing frame (18), and the bottom of spacing frame (18) is passed through coupling assembling (19) and is connected on the top outer wall of crossing cab apron (6), the top of crossing cab apron (6) is passed through slide bar (21) sliding connection on the outer wall of roof (4), the outer wall cover of slide bar (21) is equipped with spring one, cam (16) are the biconvex structure, and the distance difference of biconvex distance apart from centre.

2. The assembling device of the built-in motor of the electric motorcycle as claimed in claim 1, wherein the pressing mechanism (7) comprises a second sliding rod (22) and a second spring, the bottom of the second sliding rod (22) is fixed on the outer wall of the top of the upper die (11) through a bolt, the outer wall of the second sliding rod (22) is connected to the inner wall of the transition plate (6) in a sliding manner, and the second spring is sleeved on the outer wall of the second sliding rod (22).

3. The assembly device of an electric motorcycle internal motor according to claim 1, characterized in that said connection assembly (19) comprises two threaded rods (23) and a sleeve (24), said two threaded rods (23) being connected to the two sides of the sleeve (24) by means of threads with opposite hand.

4. The assembling device of the built-in motor of the electric motorcycle according to claim 3, wherein the outer walls of the two screws (23) are connected with locknuts (25) through threads.

5. The assembling device of the built-in motor of the electric motorcycle as claimed in claim 1, wherein the upper die (11) and the lower die (12) each comprise a base body (26) and a positioning protrusion (28), a bearing groove (27) matched with a bearing outer ring and a rotor shaft avoiding hole (30) for avoiding a rotor shaft are sequentially formed in the inner wall of the base body (26) from top to bottom, and the positioning protrusions (28) corresponding to the number, shape and size of the end cover bolt holes are fixedly installed on the outer wall of the top of the base body (26).

6. The assembling device of the built-in motor of the electric motorcycle according to claim 5, wherein a pad plate (29) is provided on the bottom inner wall of the bearing groove (27).

7. The assembling device of the built-in motor of the electric motorcycle as claimed in claim 6, wherein a magnetic ring is built in the seat body (26).

8. The assembling device of the built-in motor of the electric motorcycle as claimed in claim 1, wherein the supporting mechanism (3) comprises a first connecting rod (8) and a second connecting rod (10), the first connecting rod (8) and the second connecting rod (10) are rotatably connected with each other at one side close to each other, the other side far away from each other is rotatably connected to the transition plate (6) and the outer wall of the base (1) at the opposite side, and a supporting component (9) is fixedly installed at the rotating connection position of the first connecting rod (8) and the second connecting rod (10).

9. The assembling device of the built-in motor of the electric motorcycle as claimed in claim 8, wherein the supporting component (9) comprises a V-shaped clamping jaw (31) and a connecting block (36), the outer wall of one side of the V-shaped clamping jaw (31) is provided with two sets of symmetrical clamping side arms (32), each set of clamping side arms (32) is arranged at intervals and at equal intervals, and the inner wall of each clamping side arm (32) is embedded with a ball (33).

10. The assembling device of the built-in motor of the electric motorcycle as claimed in claim 9, wherein the V-shaped clamping jaw (31) is slidably connected with the connecting block (36) through a third sliding rod (34), and a third spring (35) is sleeved on the outer wall of the third spring (35).