CN221068033U

CN221068033U - New energy electric vehicle parking clamping device

Info

Publication number: CN221068033U
Application number: CN202322522348.4U
Authority: CN
Inventors: 左臣伟; 左佳奇; 冯媛媛
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-09-18
Filing date: 2023-09-18
Publication date: 2024-06-04
Anticipated expiration: 2033-09-18

Abstract

The utility model provides a parking clamping device of a new energy electric vehicle, and belongs to the technical field of electric vehicles. The novel energy electric automobile solves the problem that a large amount of electric energy is required to be consumed when the existing novel energy electric automobile is parked. The novel energy electric vehicle parking clamping device comprises a clamping fluted disc arranged on a vehicle motor shaft, a clamping rotating shaft which is parallel to the vehicle motor shaft and is relatively fixedly arranged, a pawl which is rotationally arranged on the clamping rotating shaft, and a return spring which is arranged between the pawl and the clamping rotating shaft, wherein the pawl can be clamped into the clamping fluted disc under the action of the return spring, and the novel energy electric vehicle parking clamping device further comprises an unlocking structure, and the unlocking structure can enable the pawl clamped into the clamping fluted disc to be separated from the clamping of the clamping fluted disc. When the vehicle needs to be parked, the unlocking structure drives the pawl to rotate, the pawl is clamped into the clamping fluted disc under the action of the return spring, the motor shaft of the vehicle is clamped and fixed during clamping, the power failure braking of the vehicle can be realized, the foot brake and the hand brake are not needed, and the braking effect is good.

Description

New energy electric vehicle parking clamping device

Technical Field

The utility model belongs to the technical field of electric vehicles, and relates to a new energy electric vehicle parking clamping device.

Background

At present, all the pure electric vehicles are completed through a manual brake stopping device when being parked. If the vehicle is parked for a long time on an upward slope and a downward slope in the running process, the driver must completely step on the manual brake device, the situation that the driver cannot stop the vehicle completely is difficult for a normal person because the driver does not step on the manual brake device for a long time, and the manual brake is always in a situation that the vehicle cannot be completely braked, at this moment, the pure electric vehicle can only brake and regulate the vehicle by the motor, that is to say, the motor is required to push the vehicle stably, so that the vehicle is in a long-time power utilization state, a large amount of electric energy is consumed in the non-running process of the vehicle, and meanwhile, because the vehicle is stopped for a long time and does not move, the motor, the controller and other electrical systems of the vehicle are not cooled by natural wind, and the whole power system is quite unfavorable.

Disclosure of utility model

The utility model aims to solve the problems in the prior art, and provides a new energy electric vehicle parking clamping device capable of realizing power failure braking of a vehicle.

The aim of the utility model can be achieved by the following technical scheme:

The utility model provides a new energy electric motor car parks clamping device, includes the joint fluted disc of locating on the vehicle motor shaft, with the parallel and relative fixed joint pivot axle that sets up of vehicle motor shaft, rotates the pawl of locating on the joint pivot axle and locates the return spring between pawl and the joint pivot axle, the pawl can block into the joint fluted disc under return spring's effect, still includes unblock structure, unblock structure enables the pawl of card income joint fluted disc break away from the joint to the joint fluted disc.

In the above-mentioned new energy electric motor car parks joint device, the unblock structure is including rotating the driven gear that sets up on the joint pivot, locate the gear fulcrum on the driven gear, with driven gear engagement's driving gear and drive driving gear pivoted motor, the gear fulcrum extends to one side that the pawl is close to the joint fluted disc, motor and joint pivot are fixed relatively, the driving gear coaxial arrangement is in the pivot of motor.

When the motor works, the driving gear is driven to rotate, and the driving gear is meshed with the driven gear, so that the driven gear is driven to rotate, and the gear fulcrum rotates along with the driven gear.

In the parking clamping device of the new energy electric vehicle, the driven gear is provided with a first side face and a second side face which are oppositely arranged, a first limit switch is arranged at the opposite position of the first side face, when the first side face abuts against the first limit switch, a forward/reverse rotation loop of the motor is disconnected, a second limit switch is arranged at the opposite position of the second side face, and when the second side face abuts against the second limit switch, a reverse/forward rotation loop of the motor is disconnected.

The tooth of driven gear is located between first side and the second side, and in the pawl can block into the joint tooth socket of joint fluted disc under return spring's effect when first side supported by first limit switch, the gear fulcrum supported by the side that the pawl is close to the joint fluted disc when the second side supported by second limit switch, makes the pawl unable card into the joint tooth socket of joint fluted disc.

In the parking clamping device of the new energy electric vehicle, the unlocking structure comprises a prying bar rotatably arranged on the clamping rotating shaft, a prying pivot arranged on the prying bar and a driving assembly for driving the prying bar to rotate around the clamping rotating shaft, and the prying pivot extends to one side of the pawl close to the clamping fluted disc.

In the parking clamping device of the new energy electric vehicle, the driving assembly comprises a rod-shaped electromagnetic valve core, a first electromagnetic coil sleeved outside one end of the electromagnetic valve core and a second electromagnetic coil sleeved outside the other end of the electromagnetic valve core, and one end of the prying bar, which is far away from the clamping rotating shaft, is connected to the middle part of the electromagnetic valve core through a connecting shaft parallel to the clamping rotating shaft.

The electromagnetic valve core moves towards the first electromagnetic coil only when the first electromagnetic coil is electrified, and moves towards the second electromagnetic coil only when the second electromagnetic coil is electrified, so that the prying bar is pulled to rotate together. And a relief groove extending along the length direction of the prying bar is formed in the electromagnetic valve core or the prying bar, the width of the relief groove is slightly larger than the outer diameter of the connecting shaft, and the connecting shaft is positioned in the relief groove. When the electromagnetic valve core moves axially, the connecting shaft is driven to move together, and at the moment, the connecting shaft can slide in the yielding groove, so that the situation of locking is avoided.

In the parking clamping device of the new energy electric vehicle, the positioning pin is fixed on the pawl, the manual stay wire is connected to the positioning pin, and the force applied to the pawl when the manual stay wire is pulled is opposite to the force applied to the pawl by the return spring.

When the manual pull wire is pulled, the pawl can be separated from the clamping connection of the clamping fluted disc, and after the manual pull wire is released, the pawl can be clamped into the clamping tooth socket of the clamping fluted disc under the action of the return spring.

In the parking clamping device of the new energy electric vehicle, a plurality of uniformly distributed clamping grooves are formed in the outer ring of the clamping fluted disc, clamping bosses are formed between two adjacent clamping grooves, and cylindrical surfaces coaxially arranged with a motor shaft of the vehicle are arranged on the clamping bosses.

When the clamping fluted disc rotates, the pawl conveniently enters the clamping groove from the cylindrical surface.

In the parking clamping device of the new energy electric vehicle, the clamping fluted disc and the motor shaft of the vehicle are coaxially arranged and are connected through the spline.

Compared with the prior art, the novel energy electric vehicle parking clamping device has the following advantages: the structure design is reasonable, and the unlocking structure drives the pawl to rotate when the vehicle is required to park, and the unlocking structure is clamped into the clamping fluted disc under the action of the return spring, so that the motor shaft of the vehicle is clamped and fixed during clamping, the power failure braking of the vehicle can be realized, and the foot brake and the hand brake are not needed, so that the braking effect is good.

Drawings

Fig. 1 is a side view of a clamping device according to a first embodiment.

Fig. 2 is a schematic structural diagram of a clamping device according to an embodiment.

Fig. 3 is a schematic structural diagram of a clamping device according to a second embodiment.

Fig. 4 is a schematic structural diagram of a fastening device according to a third embodiment.

Fig. 5 is a schematic structural diagram of a clamping device according to a fourth embodiment.

Fig. 6 is a schematic structural diagram of a fastening device according to a fifth embodiment.

Fig. 7 is a cross-sectional view of a fifth embodiment of the present invention.

In the figure, 1, a motor shaft of a vehicle; 2. the fluted disc is clamped; 3. clamping a rotating shaft; 4. a pawl; 5. a return spring; 6. a driven gear; 61. a first side; 62. a second side; 7. a gear fulcrum; 8. a drive gear; 9. a motor; 11. a first limit switch; 12. a second limit switch; 13. a prying bar; 14. prying the fulcrum; 15. an electromagnetic valve core; 16. a first electromagnetic coil; 17. a second electromagnetic coil; 18. a connecting shaft; 19. manually pulling the wire; 21. a clamping groove; 22. the boss is clamped; 23. a cylindrical surface; 24. a fixing frame; 25. a gear box; 26. a rotation shaft; 27. a first bevel gear; 28. and a second bevel gear.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

Example 1

The parking and clamping device of the new energy electric vehicle shown in fig. 1 and 2 comprises a clamping fluted disc 2 arranged on a vehicle motor shaft 1, a clamping rotating shaft 3 which is parallel to the vehicle motor shaft 1 and is relatively and fixedly arranged, a pawl 4 which is rotatably arranged on the clamping rotating shaft 3, and a return spring 5 arranged between the pawl 4 and the clamping rotating shaft 3, wherein the pawl 4 can be clamped into a clamping tooth groove 21 of the clamping fluted disc 2 under the action of the return spring 5.

As shown in fig. 2, the clamping fluted disc 2 and the motor shaft 1 of the vehicle are coaxially arranged, the clamping fluted disc 2 and the motor shaft are connected through a spline, a plurality of uniformly distributed clamping grooves 21 are formed in the outer ring of the clamping fluted disc 2, clamping bosses 22 are formed between two adjacent clamping grooves 21, cylindrical surfaces 23 coaxially arranged with the motor shaft 1 of the vehicle are arranged on the clamping bosses 22, and the pawls 4 conveniently enter the clamping grooves 21 from the cylindrical surfaces 23.

The clamping device further comprises an unlocking structure, and the unlocking structure can enable the pawl 4 clamped into the clamping fluted disc 2 to be separated from clamping the clamping fluted disc 2.

In this embodiment, as shown in fig. 1 and 2, the unlocking structure includes a driven gear 6 rotatably disposed on a clamping rotating shaft 3, a gear fulcrum 7 disposed on the driven gear 6, a driving gear 8 meshed with the driven gear 6, and a motor 9 for driving the driving gear 8 to rotate, wherein the motor 9 and the clamping rotating shaft 3 are mounted on a fixing frame 24, the position of the fixing frame 24 is relatively fixed with the position of a motor shaft 1 of the vehicle, the gear fulcrum 7 extends to one side of a pawl 4 near the clamping fluted disc 2, the motor 9 is relatively fixed with the clamping rotating shaft 3, and the driving gear 8 is coaxially disposed on a rotating shaft of the motor 9. The motor 9 drives the driving gear 8 to rotate when working, thereby driving the driven gear 6 to rotate, and the gear fulcrum 7 rotates along with the driven gear 6.

As shown in fig. 2, the driven gear 6 has a first side 61 and a second side 62 which are disposed opposite to each other, a first limit switch 11 is provided opposite to the first side 61, a circuit for forward rotation (clockwise rotation) of the motor 9 is disconnected when the first side 61 abuts against the first limit switch 11, a second limit switch 12 is provided opposite to the second side 62, a circuit for reverse rotation (counterclockwise rotation) of the motor 9 is disconnected when the second side 62 abuts against the second limit switch 12, and the first limit switch 11 and the second limit switch 12 are both disposed on the mount 24.

The tooth of driven gear 6 is located between first side 61 and second side 62, and pawl 4 can block into the joint tooth groove 21 of joint fluted disc 2 under the effect of return spring 5 when first side 61 supports and leans on first limit switch 11, and gear fulcrum 7 supports and leans on one side that the pawl 4 is close to joint fluted disc 2 when second side 62 supports and leans on second limit switch 12, makes pawl 4 unable card into the joint tooth groove 21 of joint fluted disc 2.

In this embodiment, the motor 9 and the clamping rotating shaft 3 are fixed on the fixing frame 24, then the driven gear 6 and the pawl 4 are simultaneously sleeved on the clamping rotating shaft 3, when the driving gear 8 rotates clockwise, the driven gear 6 is driven to rotate anticlockwise, at this time, the driven gear 6 drives the gear pivot 7 and the pawl 4 sleeved on the clamping rotating shaft 3 to move close to the circumferential direction of the clamping fluted disc 2 at the same time, the clamping groove 21 on the circumference of the clamping fluted disc 2 is clamped, at this time, if the pawl 4 does not smoothly enter the clamping groove 21, and when the clamping boss 22 forms a jacking state, the return spring 5 on the pawl 4 automatically moves the pawl 4 to the circumferential outer direction of the clamping fluted disc 2, and when the clamping fluted disc 2 rotates in any direction, the pawl 4 rapidly presses the pawl 4 into the clamping groove 21 under the pressure of the return spring 5, and the clamping and locking is performed on the clamping fluted disc 2, so that stopping is realized.

When the clamping fluted disc 2 is not required to be clamped, the motor 9 drives the driving gear 8 to rotate anticlockwise, the driven gear 6 meshed with the driving gear 8 rotates clockwise at the moment, so that the driven gear 6 can pry the pawl 4 through the gear pivot 7 of the clamping rotary shaft 3, the pawl 4 moves in the circumferential external direction far away from the clamping fluted disc 2, the pawl 4 and the clamping groove 21 are in a separated state, the vehicle returns to a driving state, at the moment, the lower end of the driven gear 6 is contacted with the second limit switch 12, at the moment, a loop for controlling the motor 9 to rotate anticlockwise is disconnected, the motor 9 does not rotate any more, the driven gear 6 does not rotate in the direction of the second limit switch 12, at the moment, the first limit switch 11 and the upper end of the driven gear 6 form a separated state, when the driven gear 6 moves in the direction of the first limit switch 11 again, only the power supply of the motor 9 and the first limit switch 11 is required to be communicated, the motor 9 rotates clockwise, the driven gear 6 meshed with the motor 9 rotates anticlockwise at the moment, the upper end of the driven gear 6 is contacted with the first limit switch 11, at the moment, the motor 9 is controlled to rotate anticlockwise, the loop for controlling the motor 9 to rotate no more, and the loop for stopping the rotation of the first limit switch 11.

Example two

The structural principle of this embodiment is basically the same as that of the first embodiment, except that, as shown in fig. 3, a positioning pin is fixed on the pawl 4, a manual pull wire 19 is connected to the positioning pin, and the force applied to the pawl 4 when the manual pull wire 19 is pulled is opposite to the force applied to the pawl 4 by the return spring 5.

When the motor 9 fails, the pawl 4 can be directly driven to move towards the circumferential outer direction of the clamping fluted disc 2 through the manual stay wire 19, and the pawl 4 and the clamping groove 21 form a separation state, so that the vehicle returns to a running state. When the vehicle needs to park for a long time, only the manual stay wire 19 is pulled manually to move towards the circumferential outer direction of the clamping fluted disc 2, and the return spring 5 on the pawl 4 enables the pawl 4 to return to the clamping groove 21 automatically under the action of a spring force, so that the clamping fluted disc 2 is locked in a clamping way, and stop parking is realized.

If the pawl 4 does not smoothly enter the clamping groove 21, and when the clamped boss 22 forms a center state, the return spring 5 on the pawl 4 automatically enables the pawl 4 to move towards the circumferential outer direction of the clamping fluted disc 2, and when the clamping fluted disc 2 rotates towards any direction, the pawl 4 rapidly presses the pawl 4 into the clamping groove 21 under the pressure action of the return spring 5 to clamp and lock the clamping fluted disc 2, so that stopping and stopping are realized.

Example III

The structural principle of this embodiment is basically the same as that of the first embodiment, except that, as shown in fig. 4, the unlocking structure includes a prying bar 13 rotatably disposed on the clamping rotating shaft 3, a prying fulcrum 14 disposed on the prying bar 13, and a driving assembly for driving the prying bar 13 to rotate around the clamping rotating shaft 3, where the prying fulcrum 14 extends to a side of the pawl 4 close to the clamping fluted disc 2.

As shown in fig. 4, the driving assembly includes a rod-shaped electromagnetic valve core 15, a first electromagnetic coil 16 sleeved outside one end of the electromagnetic valve core 15, and a second electromagnetic coil 17 sleeved outside the other end of the electromagnetic valve core 15, and one end of the prying bar 13, which is far away from the clamping rotating shaft 3, is connected to the middle part of the electromagnetic valve core 15 through a connecting shaft 18 parallel to the clamping rotating shaft 3.

A relief groove extending along the length direction of the prying bar 13 is formed in the electromagnetic valve core 15 or the prying bar 13, the width of the relief groove is slightly larger than the outer diameter of the connecting shaft 18, and the connecting shaft 18 is positioned in the relief groove. When the electromagnetic valve core 15 moves axially, the connecting shaft 18 is driven to move together, and at the moment, the connecting shaft 18 can slide in the yielding groove, so that the situation of locking is avoided.

When the first electromagnetic coil 16 is electrified, the first electromagnetic coil 16 pulls the electromagnetic valve core 15 to move towards the first electromagnetic coil 16, at the moment, the electromagnetic valve core 15 simultaneously pulls the prying bar 13 to move towards the first electromagnetic coil 16, the prying pivot 14 arranged at the other end of the prying bar 13 drives the pawl 4 to be clamped towards the clamping groove 21 on the clamping fluted disc 2, at the moment, if the pawl 4 does not smoothly enter the clamping groove 21 and is in a tip state by the clamping boss 22, the return spring 5 on the pawl 4 automatically enables the pawl 4 to move towards the circumferential outer direction of the clamping fluted disc 2, and when the clamping fluted disc 2 rotates towards any direction, the pawl 4 rapidly presses the pawl 4 into the clamping groove 21 under the pressure action of the return spring 5 to clamp the clamping fluted disc 2, so that stop parking is realized.

When the second electromagnetic coil 17 is electrified, the second electromagnetic coil 17 pulls the electromagnetic valve core 15 to move towards the second electromagnetic coil 17, at the moment, the electromagnetic valve core 15 simultaneously pulls the prying bar 13 to move towards the second electromagnetic coil 17, the prying pivot 14 arranged at the other end of the prying bar 13 drives the pawl 4 to move towards the circumferential outer direction of the clamping fluted disc 2, and at the moment, the pawl 4 and the clamping groove 21 form a separation state, so that the vehicle returns to a running state.

Example IV

The structural principle of this embodiment is basically the same as that of the third embodiment, except that, as shown in fig. 5, a positioning pin is fixed on the pawl 4, a manual pull wire 19 is connected to the positioning pin, and the force applied to the pawl 4 when the manual pull wire 19 is pulled is opposite to the force applied to the pawl 4 by the return spring 5.

When the first electromagnetic coil 16, the second electromagnetic coil 17 and the electromagnetic valve fail, the pawl 4 can be directly driven to move towards the circumferential outer direction of the clamping fluted disc 2 through the manual pull wire 19, and the pawl 4 and the clamping groove 21 form a separation state, so that the vehicle returns to a running state. When the vehicle needs to park for a long time, only the manual stay wire 19 is pulled manually to move towards the circumferential outer direction of the clamping fluted disc 2, and the return spring 5 on the pawl 4 enables the pawl 4 to return to the clamping groove 21 automatically under the action of a spring force, so that the clamping fluted disc 2 is locked in a clamping way, and stop parking is realized.

Example five

The structural principle of this embodiment is basically the same as that of the first embodiment except that, as shown in fig. 6 and 7, the motor 9 drives the driving gear 8 to rotate through a transmission structure.

As shown in fig. 7, the transmission structure includes a gear case 25 fixed to the motor 9, a rotation shaft 26 rotatably provided in the gear case 25, a first bevel gear 27 provided on the rotation shaft of the motor 9, and a second bevel gear 28 provided on the rotation shaft 26, the first bevel gear 27 being engaged with the second bevel gear 28, the rotation shaft of the motor 9 being disposed perpendicularly to the rotation shaft 26, and the drive gear 8 being coaxially fixed to a portion of the rotation shaft 26 extending out of the gear case 25.

When the driving gear 8 rotates clockwise, the driven gear 6 is driven to rotate anticlockwise, the driven gear 6 drives a gear pivot (not shown in the figure) and the pawl 4 movably sleeved on the clamping rotating shaft 3 to move towards the circumference direction of the clamping fluted disc 2 at the same time, and clamping is carried out on the clamping grooves 21 on the circumference of the clamping fluted disc 2. If the pawl 4 does not smoothly enter the clamping groove 21, and is in a jacking state by the clamping boss 22, a return spring (not shown in the figure) on the pawl 4 automatically enables the pawl 4 to move towards the circumferential outer direction of the clamping fluted disc 2, and when the clamping fluted disc 2 rotates towards any direction, the pawl 4 rapidly presses the pawl 4 into the clamping groove 21 under the pressure of the return spring, so that the clamping fluted disc 2 is locked in a clamping manner, and stop parking is realized.

When the clamping fluted disc 2 is not required to be clamped, the motor 9 drives the first bevel gear 27 to rotate, so that the second bevel gear 28 is driven to rotate, the second bevel gear 28 drives the rotating shaft 26 to rotate, finally the driving gear 8 is driven to rotate anticlockwise, the driven gear 6 meshed with the driving gear 8 rotates clockwise, so that the driven gear 6 can pry the pawl 4 through the gear fulcrum 7 by the clamping rotating shaft 3, and move in the external circumferential direction far away from the clamping fluted disc 2, the pawl 4 and the clamping groove 21 are in a separated state, and the vehicle can return to a running state.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a new forms of energy electric motor car parking clamping device, its characterized in that, including locating joint fluted disc (2) on vehicle motor shaft (1), with vehicle motor shaft (1) parallel and the joint pivot (3) of relative fixed setting, rotate pawl (4) and locating return spring (5) between pawl (4) and joint pivot (3) on joint pivot (3), pawl (4) can block into joint fluted disc (2) under the effect of return spring (5), still include the unblock structure, unblock structure can make pawl (4) of block into joint fluted disc (2) break away from the joint to joint fluted disc (2).

2. The parking clamping device of the new energy electric vehicle according to claim 1, wherein the unlocking structure comprises a driven gear (6) rotatably arranged on a clamping rotating shaft (3), a gear pivot (7) arranged on the driven gear (6), a driving gear (8) meshed with the driven gear (6) and a motor (9) for driving the driving gear (8) to rotate, the gear pivot (7) extends to one side, close to the clamping fluted disc (2), of the pawl (4), the motor (9) is relatively fixed with the clamping rotating shaft (3), and the driving gear (8) is coaxially arranged on a rotating shaft of the motor (9).

3. The parking clamp device of the new energy electric vehicle according to claim 2, wherein the driven gear (6) is provided with a first side surface (61) and a second side surface (62) which are oppositely arranged, a first limit switch (11) is arranged at the opposite position of the first side surface (61), a forward/reverse rotation loop of the motor (9) is disconnected when the first side surface (61) abuts against the first limit switch (11), a second limit switch (12) is arranged at the opposite position of the second side surface (62), and a reverse/forward rotation loop of the motor (9) is disconnected when the second side surface (62) abuts against the second limit switch (12).

4. The parking clamping device of the new energy electric vehicle according to claim 1, wherein the unlocking structure comprises a prying bar (13) rotatably arranged on the clamping rotating shaft (3), a prying pivot (14) arranged on the prying bar (13) and a driving assembly for driving the prying bar (13) to rotate around the clamping rotating shaft (3), and the prying pivot (14) extends to one side, close to the clamping fluted disc (2), of the pawl (4).

5. The parking clamping device of the new energy electric vehicle according to claim 4, wherein the driving assembly comprises a rod-shaped electromagnetic valve core (15), a first electromagnetic coil (16) sleeved outside one end of the electromagnetic valve core (15) and a second electromagnetic coil (17) sleeved outside the other end of the electromagnetic valve core (15), and one end of the prying bar (13) away from the clamping rotating shaft (3) is connected to the middle part of the electromagnetic valve core (15) through a connecting shaft (18) parallel to the clamping rotating shaft (3).

6. The parking clamping device of the new energy electric vehicle according to claim 1 or 2 or 3 or 4 or 5, wherein a positioning pin is fixed on the pawl (4), a manual pull wire (19) is connected to the positioning pin, and the force exerted on the pawl (4) when the manual pull wire (19) is pulled is opposite to the force exerted on the pawl (4) by the return spring (5).

7. The parking clamping device of the new energy electric vehicle according to claim 1, wherein a plurality of uniformly distributed clamping grooves (21) are formed in the outer ring of the clamping fluted disc (2), clamping bosses (22) are formed between two adjacent clamping grooves (21), and cylindrical surfaces (23) coaxially arranged with a vehicle motor shaft (1) are arranged on the clamping bosses (22).

8. The parking clamping device of the new energy electric vehicle according to claim 1, wherein the clamping fluted disc (2) and a motor shaft (1) of the vehicle are coaxially arranged and are connected through a spline.