CN211543185U

CN211543185U - Active suspension structure of distributed driving vehicle

Info

Publication number: CN211543185U
Application number: CN201921944792.2U
Authority: CN
Inventors: 尤卫建
Original assignee: Aidesi Automobile Motor Wuxi Co ltd
Current assignee: Aidesi Automobile Motor Wuxi Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-09-22
Anticipated expiration: 2029-11-12

Abstract

The utility model relates to a vehicle distributing type drive technical field just discloses an active suspended structure of distributing type drive vehicle, including I shaped frame, connection sill bar, connection ejector pin, in-wheel motor, people's type connecting rod, linkage and strutting arrangement. Through the I-shaped frame, connect the sill bar, connect the interconnect effect between ejector pin and the linkage, make in-wheel motor driven tire advance the in-process at the car and can lift up the obstacle that the place ahead met and dodge, can effectively reduce tire and obstacle and collide, and then reduce the vibrations that cause the in-wheel motor, improve the protection dynamics to the in-wheel motor, effectively increase in-wheel motor's service life, the damage of tire because of the collision causes has also been reduced simultaneously, the wear rate of tire has been reduced, and through intelligent control, make the wheel of one side lift up and put down the back, the opposite side wheel lifts up again, realize seamless connection, the effectual safe in utilization that improves in-wheel motor.

Description

Active suspension structure of distributed driving vehicle

Technical Field

The utility model relates to a vehicle distributing type drive technical field specifically is an active suspended structure of distributing type drive vehicle.

Background

With the development and use of electric vehicles, compared with fuel-powered vehicles driven by an engine, electric vehicles use distributed driving as the final solution of power, and the electric vehicles are driven by a hub motor directly, in the driving technology, in order to obtain high power and high torque in the same space size, a hub motor with an outer rotor structure is usually adopted, but the adoption of the outer rotor motor has the following disadvantages:

the outer rotor motor has low structural strength and poor impact resistance, so that the outer rotor motor is easy to damage in use, and meanwhile, the damping device is simple at present, only can damp passively, and the protection force is weak.

SUMMERY OF THE UTILITY MODEL

The utility model provides an active suspended structure of distributing type drive vehicle possesses intelligent degree height, and the problem that the wheel hub motor protection dynamics is not enough in the prior art to the distributed drive has been solved to the strong advantage of external rotor motor protection dynamics.

The utility model provides a following technical scheme: an active suspension structure of a distributed driving vehicle comprises an I-shaped frame, a connecting bottom rod, a connecting top rod, a hub motor, a man-shaped connecting rod, a suspension device and a supporting device, the hub motor is arranged on a fixed shaft, a tire is arranged on the fixed shaft, a node of the bottom of the left side of the I-shaped frame and one end of the connecting bottom rod which are movably connected is c, the node of the top of the left side of the I-shaped frame movably connected with one end of the connecting top rod is b, the node of the bottom end of the fixed shaft on the hub motor movably connected with the other end of the connecting bottom rod is a, the node of the top end of the fixed shaft on the hub motor and the other end of the connecting ejector rod which are movably connected is d, the top end of the suspension device is movably connected with the top end of the I-shaped frame through the human-shaped connecting rod, and the bottom end of the suspension device is movably connected with the other end of the bottom rod through a node f.

Preferably, the suspension device comprises a shell, a hollow servo motor, a driving external member, a screw rod, a connecting sleeve rod and a locking device, wherein the hollow servo motor is installed at the top of an inner cavity of the hollow servo motor, the driving external member is fixedly connected with a hollow shaft inside the hollow servo motor, the screw rod is movably sleeved with the hollow servo motor and the driving external member respectively, the screw rod is movably sleeved with the connecting sleeve rod, the locking device is fixedly installed at the bottom of the shell, and the locking device is sleeved with the screw rod.

Preferably, the hollow servo motor is internally provided with a motor drive control module, a brake and a position sensor, the motor drive control module is electrically connected with the hollow servo motor, and the motor drive control module is electrically connected with a CAN and a traveling crane computer.

Preferably, the hollow servo motor comprises a locking device, an electromagnetic coil and a supporting spring, the locking device is two semicircular cylinders, the locking device is movably mounted inside the shell, the electromagnetic coil is fixedly mounted on the shell and sleeved on the lead screw, threads meshed with the lead screw are formed in the surface, in contact with the lead screw, of the locking device, and the supporting spring is fixedly connected with the locking device and the shell respectively.

Preferably, one end of the suspension device is movably connected with one end of the human-shaped connecting rod, the other end of the human-shaped connecting rod is movably connected with the supporting device, and the supporting device is fixedly provided with a damping spring.

The utility model discloses possess following beneficial effect:

1. through the I-shaped frame, connect the sill bar, connect the interconnect effect between ejector pin and the linkage, make in-wheel motor driven tire advance the in-process at the car and can lift up the obstacle that the place ahead met and dodge, can effectively reduce tire and obstacle and collide, and then reduce the vibrations that cause the in-wheel motor, improve the protection dynamics to the in-wheel motor, effectively increase in-wheel motor's service life, the damage of tire because of the collision causes has also been reduced simultaneously, the wear rate of tire has been reduced, and through intelligent control, make the wheel of one side lift up and put down the back, the opposite side wheel lifts up again, realize seamless connection, the effectual safe in utilization that improves in-wheel motor.

2. When the normal road goes, make the worker's type frame, connect the sill bar, connect ejector pin and linkage can automatic adjustment and the position that wheel hub motor located under intelligence control system's control, and then the height of adjustment car, improved the travelling comfort of riding, through people's type connecting rod, linkage and strutting arrangement's setting, make when the car normally goes, can effectively reduce the vibrations that wheel hub motor received, further increase wheel hub motor's security simultaneously.

Drawings

FIG. 1 is a front view of the structure of the present invention;

fig. 2 is a schematic diagram of information transmission of the present invention;

FIG. 3 is an enlarged schematic view of the point A in the structure of FIG. 1 of the present invention;

FIG. 4 is a schematic view of the structural suspension device of the present invention;

fig. 5 is a schematic view of the structure of the utility model at the position B in fig. 4;

FIG. 6 is a schematic view of the structure of the present invention in the normal driving effect of the automobile;

fig. 7 is the effect schematic diagram of the structure-improved wheel of the present invention.

In the figure: 1. a jig frame; 2. connecting the bottom rod; 3. connecting a top rod; 4. a hub motor; 5. a human-shaped connecting rod; 6. a suspension device; 61. a housing; 62. a hollow servo motor; 63. a drive kit; 64. a lead screw; 65. connecting the loop bar; 66. a locking device; 661. a lock; 662. an electromagnetic coil; 663. a support spring; 7. and a supporting device.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, an active suspension structure for a distributed driving vehicle includes a frame 1, a connecting bottom rod 2, a connecting top rod 3, the tyre lifting device comprises a hub motor 4, a man-shaped connecting rod 5, a suspension device 6 and a supporting device 7, wherein the hub motor 4 is installed on a fixed shaft, a tyre is installed on the fixed shaft, a node of the left bottom of an I-shaped frame 1 and one end of the connecting bottom rod 2 are movably connected is c, a node of the left top of the I-shaped frame 1 and one end of the connecting ejector rod 3 are movably connected is b, the bottom end of the fixed shaft on the hub motor 4 and the other end of the connecting bottom rod 2 are movably connected is a, the top end of the fixed shaft on the hub motor 4 and the other end of the connecting ejector rod 3 are movably connected are d, the top end of the suspension device 6 and the top end of the I-shaped frame 1 are movably connected through the man-shaped connecting rod 5 are connected, and the bottom end of the suspension.

Wherein, the suspension device 6 comprises a shell 61, a hollow servo motor 62, a driving external member 63, a lead screw 64, a connecting sleeve rod 65 and a locking device 66, the hollow servo motor 62 is arranged at the top of the inner cavity of the hollow servo motor 62, the driving external member 63 is fixedly connected with the hollow shaft inside the hollow servo motor 62, the lead screw 64 is respectively movably sleeved with the hollow servo motor 62 and the driving external member 63, the lead screw 64 is movably sleeved with the connecting sleeve rod 65, the locking device 66 is fixedly arranged at the bottom of the shell 61, the locking device 66 is sleeved with the lead screw 64, the hollow servo motor 62 is started to drive the driving external member 63 to rotate, so that the lead screw 64 contracts, and the suspension device 6 is integrally, and the connecting bottom rod 2 is pulled to be lifted, the wheel hub motor 4 and the wheel are driven to avoid the obstacle, the collision between the wheel and the obstacle is effectively avoided, the collision received by the wheel hub motor 4 is reduced, and the safety of the wheel hub motor 4 is improved.

Wherein, hollow servo motor 62's internally mounted has motor drive control module, stopper and position sensor, motor drive control module and hollow servo motor 62 electric connection, electric connection has CAN and driving computer on the motor drive control module, carry out intelligent control to hollow servo motor 62 through the driving computer, make hollow servo motor 62 realize accurate orderly work, and carry out accurate control to the flexible length of lead screw 64, improve the wheel and keep away the accurate nature of barrier and the output of energy reduction.

Wherein, the hollow servo motor 62 comprises a locking device 661, an electromagnetic coil 662 and a supporting spring 663, the locking device 661 is two semi-cylinders, the locking device 661 is movably mounted inside the housing 61, the electromagnetic coil 662 is fixedly mounted on the housing 61 and sleeved on the lead screw 64, the surface of the locking device 661 contacting with the lead screw 64 is provided with a thread meshed with the lead screw 64, the supporting spring 663 is respectively and fixedly connected with the locking device 661 and the housing 61, when the hollow servo motor 62 works, the electromagnetic coil 662 is switched on to separate the locking device 661 from the lead screw 64 by a distance, no sliding friction exists between the locking device 661 and the lead screw 64, when the hollow servo motor 62 stops working, the electromagnetic coil 662 cuts off the power supply, the locking device 661 is tightly meshed with the lead screw 64 under the action of the electromagnetic coil 662 to lock the lead screw 64, and can effectively increase the supporting force between the lead screw 64 and the housing 61, the phenomenon that the acting force between the driving sleeve 63 and the lead screw 64 is too large when the suspension device 6 acts as a mandril is reduced, so that the thread of the lead screw 64 is worn and the internal damage of the driving sleeve 63 is avoided, and the safety of the mechanism is improved.

Wherein, the one end of linkage 6 and the one end swing joint of people's type connecting rod 5, the other end and the 7 swing joint of strutting arrangement of people's type connecting rod 5, fixed mounting has damping spring on the strutting arrangement 7, through the transmission effect of people's type connecting rod 5, when making linkage 6 act as the fixed beam, strutting arrangement 7 can effectively increase linkage 6 holding power, reduce the impact that linkage 6 received through damping spring simultaneously, the shock resistance of in-wheel motor 4 has been increased, the stability of wheel has been improved, the stability and the travelling comfort of driving have further been increased.

The working principle is that when an obstacle is encountered in front of an automobile, a traveling crane computer sends an instruction to be transmitted to a motor drive control module and a locking device 66 through a CAN, the locking device 66 unlocks a lead screw 64, a hollow servo motor 62 is started and drives a drive kit 63 to rotate, the lead screw 64 is contracted, one end of a connecting bottom rod 2 is pulled to move upwards, a hub motor 4 moves upwards, after the lead screw 64 is contracted to a certain length, a position sensor feeds back information to the traveling crane computer, after the traveling crane computer receives the feedback, the motor drive control module and a brake are given an instruction to stop the rotation of the hollow servo motor 62, then the hollow servo motor 62 rotates reversely to extend the lead screw 64, a tire driven by the hub motor 4 falls to the ground, the hollow servo motor 62 stops rotating after falling to the ground, and the locking device 66 locks the lead screw 64, and the system instruction is similar to, and will not be described in detail herein.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims

1. The utility model provides an active suspended structure of distributed drive vehicle, includes I-shaped frame (1), connects sill bar (2), connects ejector pin (3), in-wheel motor (4), humanoid connecting rod (5), linkage (6) and strutting arrangement (7), in-wheel motor (4) install on a fixed axle, install tire, its characterized in that on the fixed axle: the left bottom of worker's type frame (1) is c with the one end swing joint's of being connected sill bar (2) node, the left top of worker's type frame (1) is b with the one end swing joint's of being connected ejector pin (3) node, the fixed axle bottom on wheel hub motor (4) is a with the other end swing joint's of being connected sill bar (2) node, the fixed axle top on wheel hub motor (4) is d with the other end swing joint's of being connected ejector pin (3) node, the top of linkage (6) is e through people's type connecting rod (5) and the top swing joint's of worker's type frame (1) node, the bottom of linkage (6) is f with the other end swing joint's of being connected sill bar (2) node.

2. The active suspension structure of a distributed drive vehicle of claim 1, wherein: suspension device (6) include shell (61), hollow servo motor (62), drive external member (63), lead screw (64), connect loop bar (65) and locking means (66), the top at hollow servo motor (62) inner chamber is installed in hollow servo motor (62), drive external member (63) and the inside hollow shaft fixed connection of hollow servo motor (62), lead screw (64) cup joint with hollow servo motor (62) and drive external member (63) activity respectively, lead screw (64) cup joint with connecting loop bar (65) activity, locking means (66) fixed mounting is in the bottom of shell (61), locking means (66) cup joint with lead screw (64).

3. The active suspension structure of a distributed drive vehicle of claim 2, wherein: the interior of hollow servo motor (62) is installed motor drive control module, stopper and position sensor, motor drive control module and hollow servo motor (62) electric connection, electric connection has CAN and driving computer on the motor drive control module.

4. The active suspension structure of a distributed drive vehicle of claim 2, wherein: hollow servo motor (62) are including locking ware (661), solenoid (662) and supporting spring (663), locking ware (661) are two semicylinders, locking ware (661) movable mounting is in the inside of shell (61), solenoid (662) fixed mounting is on shell (61) and cup joints on lead screw (64), set up the screw thread that meshes mutually with lead screw (64) on the face that locking ware (661) and lead screw (64) contact, supporting spring (663) respectively with locking ware (661) and shell (61) fixed connection.

5. The active suspension structure of a distributed drive vehicle of claim 1, wherein: one end of the suspension device (6) is movably connected with one end of the human-shaped connecting rod (5), the other end of the human-shaped connecting rod (5) is movably connected with the supporting device (7), and the supporting device (7) is fixedly provided with a damping spring.