CN113479261A - Vehicle body side-tipping driving mechanism and active side-tipping vehicle using same - Google Patents

Vehicle body side-tipping driving mechanism and active side-tipping vehicle using same Download PDF

Info

Publication number
CN113479261A
CN113479261A CN202110878249.2A CN202110878249A CN113479261A CN 113479261 A CN113479261 A CN 113479261A CN 202110878249 A CN202110878249 A CN 202110878249A CN 113479261 A CN113479261 A CN 113479261A
Authority
CN
China
Prior art keywords
vehicle body
cylindrical gear
gear
vehicle
driving mechanism
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110878249.2A
Other languages
Chinese (zh)
Inventor
王豪磊
杨鹏艺
王亚
魏文军
李海涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Mount Technology Co Ltd
Original Assignee
Henan Mount Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henan Mount Technology Co Ltd filed Critical Henan Mount Technology Co Ltd
Priority to CN202110878249.2A priority Critical patent/CN113479261A/en
Publication of CN113479261A publication Critical patent/CN113479261A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D9/00—Steering deflectable wheels not otherwise provided for
    • B62D9/02—Steering deflectable wheels not otherwise provided for combined with means for inwardly inclining vehicle body on bends
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J27/00—Safety equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K5/00—Cycles with handlebars, equipped with three or more main road wheels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

The invention relates to the technical field of vehicle chassis, discloses a vehicle body roll driving mechanism and an active roll vehicle applying the same, in particular to the technical field of vehicle body roll driving and control of the active roll vehicle, wherein the vehicle body roll driving mechanism comprises: the vehicle comprises a frame, a vehicle body, a central cylindrical gear, a first cylindrical gear, a second cylindrical gear, a rigid connecting rod and an elastic connecting rod, wherein the elastic connecting rod is connected with two input gears which are independently meshed with the output gears, the synchronous difference of the rotating speeds caused by the fluctuation of the input rotating speeds in the transmission process is compensated by the length change of the elastic connecting rod, the interference of the meshing motion of the gears is avoided, the input gears and the output gears are always correctly meshed for transmission, the double-power hybrid drive vehicle body roll motion is realized, and the stability and the reliability of the active roll vehicle are improved.

Description

Vehicle body side-tipping driving mechanism and active side-tipping vehicle using same
Technical Field
The invention relates to a vehicle body roll driving mechanism and an active roll vehicle using the same, belongs to the technical field of vehicle chassis, and particularly relates to the technical field of vehicle body roll driving and control.
Background
The active roll control system improves the operation stability, smoothness, traffic speed and safety of the vehicle during turning by controlling the degree of the vehicle inclining to the inner side of the turning during turning, and the vehicle active roll technology can enable the vehicle to automatically incline for a certain angle during passing a bend or driving on an inclined road surface to generate a balance moment to resist the centrifugal force or the side overturning force applied to the vehicle so as to keep the stable driving posture of the vehicle.
The active roll technology of the vehicle is generally implemented by two modes of independent roll of a vehicle body and linkage roll of the vehicle body and wheels, wherein: the vehicle body and the wheels are in linkage roll mode, the roll of the vehicle body and the steering motion of the vehicle are mutually influenced, the control stability, the smoothness and the safety of the vehicle during turning are better, two-wheel independent steering or four-wheel independent steering is required to be adopted, or a vehicle steering roll linkage device formed by the linkage of a roll mechanism and a steering mechanism is adopted, but the structure is complex, the manufacturing cost is high, and the vehicle steering roll linkage device is suitable for high-end vehicles; the vehicle body independent side-tipping mode, the vehicle body side-tipping and the vehicle steering movement are carried out independently and do not interfere with each other, any steering mechanism can be adopted, the structure is simple, the manufacturing cost is low, generally, a servo motor is connected with a speed reducer in series for reducing speed and increasing torque, then the vehicle body is driven to rotate relative to the vehicle frame, or the vehicle body is directly driven to rotate relative to the vehicle frame, so that the control stability, the smoothness and the safety reliability are poor when the vehicle turns; the method has the advantages that the independent side-tipping driving mode of the vehicle body is explored, the independent side-tipping transmission and control method of the vehicle body is researched, and the theoretical significance and the practical value for improving the safety performance of the vehicle body independent side-tipping vehicle are achieved.
Disclosure of Invention
The invention aims to provide a vehicle body side-tipping driving mechanism and an active side-tipping vehicle applying the same.
The technical scheme adopted for achieving the purpose of the invention is as follows:
the vehicle body roll driving mechanism includes: the central cylindrical gear (3) is fixedly arranged on the vehicle body (2), the axis of the central cylindrical gear (3) is positioned on the symmetrical line of the vehicle body (2), the vehicle body (2) and the vehicle frame (1) are rotationally connected around the axis of the central cylindrical gear (3), the connection point O is positioned on the central line of the vehicle frame (1), the central cylindrical gear (3) and the vehicle body (2) rotate around the axis of the central cylindrical gear (3) relative to the vehicle frame (1), the first cylindrical gear (4) is rotationally connected with the vehicle frame (1) around the axis thereof, the first cylindrical gear (4) and the central cylindrical gear (3) are in correct meshing transmission, one end of the rigid connecting rod (6) is rotationally connected with the vehicle frame (1) around the axis of the central cylindrical gear (3), the other end of the rigid connecting rod is rotationally connected with the second cylindrical gear (5) around the axis thereof, the second cylindrical gear (5) and the central cylindrical gear (3) are in correct meshing transmission, one end of the elastic connecting rod (7) is rotatably connected with the frame (1) around the axis of the first cylindrical gear (4), the other end of the elastic connecting rod is rotatably connected with the second cylindrical gear (5) around the axis of the second cylindrical gear, the elastic connecting rod (7) keeps the second cylindrical gear (5) and the central cylindrical gear (3) to be in correct meshing transmission, and the rotating axes of the cylindrical gears are parallel to each other;
wherein: number of first spur gear teeth Z1Input torque N1Input rotational speed M1Number of second spur gear teeth Z2Input torque N2Input rotational speed M2Synchronization condition M of two gear input rotation speeds1Z1＝M2Z2，M1、M2Number of equidirectional, central cylindrical gear teeth ZOOutput rotational speed MO＝M1Z1/ZOOutput torque NO＝ZO(N1/Z1+N2/Z2) The vehicle body is driven to roll to move, the synchronous difference of the rotating speed caused by the input rotating speed fluctuation in the transmission process is compensated by the length change of the elastic connecting rod, the gear meshing motion interference is avoided, the center distance between the first cylindrical gear and the second cylindrical gear and the center cylindrical gear is kept unchanged when the length of the elastic connecting rod is changed, and the double-power hybrid vehicle body rolling motion is realized.
During the working process of the vehicle body side-tipping driving mechanism: when N is present1Not equal to 0 and N2When not equal to 0, the central cylindrical gear outputs a torque NO＝ZO(N1/Z1+N2/Z2) The double-power combination is realized to drive the car body to move laterally; when N is present2When the rotation speed is 0, the second cylindrical gear rotates at the rotation speed M2Idling, first spur gear input torque N1Central cylindrical gear output torque NO＝N1ZO/Z1When the vehicle body side-rolling driving mechanism works normally, N is1When equal to 0, the first cylindrical gear rotates at a rotating speed M1Idling, second spur gear input torque N2Central cylindrical gear output torque NO＝N2ZO/Z2And the vehicle body side-tipping driving mechanism continues to work, so that double-power redundant driving of vehicle body side-tipping movement is realized.
In the above-mentioned vehicle body side-tipping drive mechanism, the elastic link is an elastic two-force rod, which generates a slight amount of tensile or compressive displacement under the action of an external force, and is made of an elastic material to form an equal-diameter linear elastic link, or made of an elastic material to form a C-shaped or S-shaped elastic link, and the spring stiffness of the elastic link is in direct proportion to each input torque.
In the above-described vehicle body roll driving mechanism, the number of first spur gear teeth Z1Input rotational speed M1Number of second spur gear teeth Z2Input rotational speed M2When Z is2＝Z1In time, the synchronous conditions of the input rotating speeds of the two gears are as follows: m2＝M1，M2、M1In the same direction; when Z is2≠Z1In time, the synchronous conditions of the input rotating speeds of the two gears are as follows: m2＝M1Z1/Z2，M2、M1In the same direction.
In the above vehicle body roll driving mechanism, the first spur gear and the second spur gear are all straight-tooth external cylindrical gears, when the central spur gear adopts the straight-tooth external cylindrical gear, the external-meshing vehicle body roll driving mechanism is formed, and the central spur gear outputs the rotating speed MO＝M1Z1/ZO、MOAnd M1Reversing; when the central cylindrical gear is a straight-tooth cylindrical internal gear, an internal-meshing vehicle body side-tipping driving mechanism is formed, and the central cylindrical gear outputs a rotating speed MO＝M1Z1/ZO、MOAnd M1In the same direction.
In the above vehicle body roll driving mechanism, the first cylindrical gear and the second cylindrical gear are helical cylindrical external gears, when the central cylindrical gear is a helical cylindrical external gear, the external-meshing vehicle body roll driving mechanism is formed, and the central cylindrical gear outputs the rotating speed MO＝M1Z1/ZO、MOAnd M1Reversing; when the helical cylindrical internal gear is selected as the central cylindrical gear, an internal-meshing vehicle body side-tipping driving mechanism is formed, and the central cylindrical gear outputs a rotating speed MO＝M1Z1/ZO、MOAnd M1In the same direction, the helical gear transmission has the advantages of high bearing capacity and stable motion.
The four-wheeled vehicle with actively rolling body includes: in the vehicle body roll driving mechanism, a vehicle frame is respectively connected with a left front wheel, a right front wheel, a left rear wheel and a right rear wheel through four groups of suspensions and shock absorbers according to a given wheelbase and a given wheelbase, the wheels do not roll in the vehicle body roll process, all four wheels adopt universal car tires, and the four wheels are driven by double front wheels and double rear wheels to form the four-wheel vehicle with the characteristics of front wheel steering, rear wheel driving and vehicle body active roll.
The positive tricycle that the automobile body initiatively heels includes: in the vehicle body roll driving mechanism, a vehicle frame is respectively connected with a left rear wheel and a right rear wheel through two groups of suspensions and shock absorbers according to a given wheel track, the double rear wheels are driven by double rear wheels, the double rear wheels adopt general car tires, the vehicle body is connected with a front wheel through a steering arm and a shock absorber according to a given axle track, the front wheel is steered, the front wheel adopts a curve tire with an arc-shaped section, the vehicle body roll driving mechanism controls the vehicle body to roll, and a single front wheel and the vehicle body roll in a self-adaptive mode together, so that the positive tricycle with the characteristics of double rear wheel driving, front wheel steering and vehicle body active roll is formed.
The tricycle with the active side-tipping body comprises: in the car body roll driving mechanism, a frame is respectively connected with a left front wheel and a right front wheel through two groups of suspensions and shock absorbers according to a given wheel track, the double front wheels are steered, the double front wheels adopt general car tires, the car body is connected with a rear wheel through swing arms and shock absorbers according to a given axle track, the rear wheel is driven, the rear wheel adopts a curve tire with an arc-shaped section, the car body roll driving mechanism controls the car body to roll, and a single rear wheel and the car body roll in a self-adaptive mode together to form the inverted tricycle with the characteristics of double front wheel steering, single rear wheel driving and car body active roll.
The invention has the beneficial effects that the provided vehicle body roll driving mechanism and the active roll vehicle applying the mechanism adopt the elastic connecting rod to connect two input gears which are independently meshed with the output gear, the synchronous difference of the rotating speed caused by the fluctuation of the input rotating speed in the transmission process is compensated by the length change of the elastic connecting rod, the interference of the meshing motion of the gears is avoided, the input gears and the output gear are always kept to be correctly meshed for transmission, the double-power hybrid driving vehicle body roll motion is realized, and the stability and the reliability of the active roll vehicle are improved.
Drawings
FIG. 1 is a diagrammatic view of a vehicle body roll drive mechanism;
FIG. 2 is a diagrammatic view of an inter-engaging vehicle body roll drive mechanism;
FIG. 3 is a schematic diagram of the roll of the body roll drive mechanism;
FIG. 4(a) is a schematic diagram of the configuration of a C-shaped elastic connecting rod, and (b) is a schematic diagram of the configuration of an S-shaped elastic connecting rod;
FIG. 5 is a schematic diagram of the components of an actively rolling four-wheel vehicle;
FIG. 6 is a schematic diagram of the positive tricycle with the active side-tipping body;
FIG. 7 is a schematic diagram of the tricycle with the tricycle body inclined from the driving side;
in the figure: 1-a vehicle frame, 2-a vehicle body, 3-a central cylindrical gear, 4-a first cylindrical gear, 5-a second cylindrical gear, 6-a rigid connecting rod and 7-an elastic connecting rod.
Detailed Description
Embodiments of the present invention are described below with reference to the drawings.
Fig. 1 shows a schematic view of a roll drive mechanism for a vehicle body, the roll drive mechanism comprising: the bicycle comprises a bicycle frame (1), a bicycle body (2), a central cylindrical gear (3), a first cylindrical gear (4), a second cylindrical gear (5), a rigid connecting rod (6) and an elastic connecting rod (7), wherein the central cylindrical gear (3) is fixedly installed on the bicycle body (2), the axis of the central cylindrical gear (3) is positioned on the symmetrical line of the bicycle body (2), the bicycle body (2) is rotatably connected with the bicycle frame (1) around the axis of the central cylindrical gear (3), a connecting point O is positioned on the central line of the bicycle frame (1), the central cylindrical gear (3) and the bicycle body (2) rotate together around the axis of the central cylindrical gear (3) relative to the bicycle frame (1), the first cylindrical gear (4) is rotatably connected with the bicycle frame (1) around the axis of the first cylindrical gear (4), the first cylindrical gear (4) is in correct meshing transmission with the central cylindrical gear (3), one end of the rigid connecting rod (6) is rotatably connected with the bicycle frame (1) around the axis of the central cylindrical gear (3), The other end of the elastic connecting rod (7) is rotationally connected with the second cylindrical gear (5) around the axis of the second cylindrical gear, the second cylindrical gear (5) is in correct meshing transmission with the central cylindrical gear (3), one end of the elastic connecting rod (7) is rotationally connected with the frame (1) around the axis of the first cylindrical gear (4), the other end of the elastic connecting rod is rotationally connected with the second cylindrical gear (5) around the axis of the second cylindrical gear, the elastic connecting rod (7) keeps the second cylindrical gear (5) and the central cylindrical gear (3) in correct meshing transmission, and the rotation axes of the cylindrical gears are parallel to each other;
wherein: number of first spur gear teeth Z1Second number of spur gears Z2Central cylindrical gear tooth number ZOFirst driving first cylindrical gear input torque N of servo motor1Input rotational speed M1The servo motor drives the second cylindrical gear to input torque N2Input rotational speed M2Satisfy the condition M of synchronous input rotation speed of two gears1Z1＝M2Z2，M1、M2The same direction and the rotation direction are shown in figure 1, and M is in the transmission process2When the upward fluctuation is increased, the elastic connecting rod is pulled, the rod length AB is increased, and the angle AOB is increased because AO is fixed, so that the interference of gear meshing motion is avoided; m2When downward fluctuation is reduced, the elastic connecting rod is pressed, the rod length AB is shortened, the angle AOB is reduced, and gear meshing motion interference is avoided; when the length of the elastic connecting rod is changed, the length of the rigid connecting rod is unchanged, the center distances OA and OB between the first cylindrical gear and the central cylindrical gear and between the second cylindrical gear and the central cylindrical gear are kept unchanged, and the central cylindrical gear outputs a torque NO＝ZO(N1/Z1+N2/Z2) Output rotational speed MO＝M1Z1/ZOThe double-power hybrid drive vehicle body side-tipping movement is realized;
the right meshing transmission conditions of the straight spur gear are as follows: the first cylindrical gear, the second cylindrical gear and the central cylindrical gear have the same module m and pressure angle alpha, and the first cylindrical gear and the central cylindrical gear are externally meshed with each other to drive the center distance OA (Z) to m1+ZO) The outside meshing transmission center distance OB (Z) of the second cylindrical gear and the central cylindrical gear is m2+ZO) A rigid link length equal to OB and an elastic link length AB > m (Z)1+Z2) 2+2m, as shown in FIG. 1; the center distance OA (Z) of the internal gearing of the first cylindrical gear and the central cylindrical gear is equal to mO-Z1) The center distance OB (Z) of the second cylindrical gear and the central cylindrical gear in internal meshing transmission is mO-Z2) A rigid link length equal to OB and an elastic link length AB > m (Z)1+Z2) 2+2m as shown in FIG. 2.
Fig. 3 shows a schematic diagram of the roll of the body roll drive, in which: when N is present1Not equal to 0 and N2When not equal to 0, the central cylindrical gear outputs a torque NO＝ZO(N1/Z1+N2/Z2) The double-power combination is realized to drive the car body to move laterally; when N is present2When the rotation speed is 0, the second cylindrical gear rotates at the rotation speed M2Idling, first spur gear input torque N1Central cylindrical gear output torque NO＝N1ZO/Z1When the vehicle body side-rolling driving mechanism works normally, N is1When equal to 0, the first cylindrical gear rotates at a rotating speed M1Idling, second spur gear input torque N2Central cylindrical gear output torque NO＝N2ZO/Z2And the vehicle body rolling driving mechanism continues to work, and double-power redundant driving of vehicle body rolling motion is realized, so that the running stability and safety of the vehicle under any condition are maintained.
In the above-mentioned vehicle body roll driving mechanism, the elastic link is an elastic two-force rod, the elastic link generates a slight amount of tensile or compressive displacement under the action of an external force, the elastic link is made of an elastic material and is made into an equal-diameter linear elastic link, or is made into a C-shaped elastic link (as shown in fig. 4 (a)) or an S-shaped elastic link (as shown in fig. 4 (b)), and the spring stiffness of the elastic link is proportional to each input torque.
In the above-described vehicle body roll driving mechanism, the number of first spur gear teeth Z1Input rotational speed M1Number of second spur gear teeth Z2Input rotational speed M2When Z is2＝Z1In time, the synchronous conditions of the input rotating speeds of the two gears are as follows: m2＝M1，M2、M1In the same direction; when Z is2≠Z1In time, the synchronous conditions of the input rotating speeds of the two gears are as follows: m2＝M1Z1/Z2，M2、M1In the same direction.
In the above vehicle body side-tipping driving mechanism, the first cylindrical gear and the second cylindrical gear are straight-tooth cylindrical external gears, and the synchronization condition of the input rotating speed of the two gears is satisfied: m1Z1＝M2Z2，M1、M2In the same direction, when the central cylindrical gear adopts a straight-tooth cylindrical outer gear, an externally-engaged vehicle body side-tipping driving mechanism is formed, and the central cylindrical gear outputs a rotating speed MO＝M1Z1/ZO、MOAnd M1Reverse, as shown in FIG. 1; when the central cylindrical gear is a straight-tooth cylindrical internal gear, an internal-meshing vehicle body side-tipping driving mechanism is formed, and the central cylindrical gear outputs a rotating speed MO＝M1Z1/ZO、MOAnd M1In the same direction as shown in fig. 2.
In the above vehicle body side-tipping driving mechanism, the first cylindrical gear and the second cylindrical gear are helical cylindrical external gears, and the synchronization condition of the input rotating speed of the two gears is satisfied: m1Z1＝M2Z2，M1、M2In the same direction, when the central cylindrical gear is an external helical gear, an external-meshing vehicle body side-tipping driving mechanism is formed, and the central cylindrical gear outputs a rotating speed MO＝M1Z1/ZO、MOAnd M1Reversing; center circleWhen the helical cylindrical internal gear is selected as the cylindrical gear, the internal-meshing vehicle body side-tipping driving mechanism is formed, and the central cylindrical gear outputs the rotating speed MO＝M1Z1/ZO、MOAnd M1In the same direction, the helical gear transmission has the advantages of high bearing capacity and stable motion.
Fig. 5 is a schematic diagram of a vehicle body actively rolling four-wheel vehicle, including: in the vehicle body roll driving mechanism, a vehicle frame is respectively connected with a left front wheel, a right front wheel, a left rear wheel and a right rear wheel through four groups of suspensions and shock absorbers according to a given wheel base and a given wheel base, the wheels do not roll in the vehicle body roll process, all four wheels adopt universal car tires GB 9743 and 2007, the two groups of front suspensions are the same, an isosceles trapezoid steering mechanism is linked with double front wheel steering, the two groups of rear suspensions are the same, and double rear wheel hub motors are driven to form the four-wheel vehicle with the characteristics of front wheel steering, rear wheel driving and vehicle body active roll.
Fig. 6 is a schematic diagram of the active-roll-body positive tricycle, which includes: in the vehicle body roll driving mechanism, a frame is respectively connected with a left rear wheel and a right rear wheel through two groups of identical suspensions and shock absorbers according to a given wheel track, the double rear wheels are driven by hub motors of the double rear wheels, the double rear wheels adopt universal car tires GB 9743 and 2007, the vehicle body is connected with a front wheel through a steering arm and the shock absorbers according to a given axle track, the front wheel is steered, the front wheel adopts a motorcycle tire GB 518 and 2007 with an arc-shaped section, the vehicle body roll driving mechanism controls the vehicle body to roll, and a single front wheel and the vehicle body are adaptive to roll together to form the positive tricycle with the characteristics of double rear wheel driving, front wheel steering and vehicle body active roll.
Fig. 7 is a schematic diagram showing a three-wheel vehicle with active side dumping, which includes: in the vehicle body side-tipping driving mechanism, a vehicle frame is respectively connected with a left front wheel and a right front wheel through two groups of same suspensions and shock absorbers according to a given wheel pitch, an isosceles trapezoid steering mechanism is linked with double front wheel steering, the double front wheels adopt universal car tires GB 9743 and 2007, the vehicle body is connected with a rear wheel through swing arms and shock absorbers according to a given axle pitch, the rear wheel is driven by a hub motor, the rear wheel adopts a motorcycle tire GB 518 and 2007 with an arc-shaped cross section, the vehicle body side-tipping driving mechanism controls the vehicle body to side, and a single rear wheel and the vehicle body are self-adaptively tipped together to form the inverted tricycle with the characteristics of double front wheel steering, single rear wheel driving and vehicle body active side-tipping.
Through the embodiment, the provided vehicle body roll driving mechanism and the active roll vehicle applying the same adopt the elastic connecting rod to connect two input gears which are independently meshed with the output gear, the synchronous difference of the rotating speed caused by the fluctuation of the input rotating speed in the transmission process is compensated by the length change of the elastic connecting rod, the interference of the meshing motion of the gears is avoided, the correct meshing transmission of each input gear and the output gear is always kept, the double-power hybrid driving vehicle body roll motion is realized, and the stability and the reliability of the active roll vehicle are improved.

Claims (7)

1. A vehicle body roll drive mechanism, comprising: the central cylindrical gear is fixedly arranged on the vehicle body, the axis of the central cylindrical gear is positioned on the symmetry line of the vehicle body, the vehicle body is rotationally connected with the vehicle frame around the axis of the central cylindrical gear, the connection point is positioned on the middle line of the vehicle frame, the first cylindrical gear is rotationally connected with the vehicle frame around the axis of the first cylindrical gear, the first cylindrical gear is in correct meshing transmission with the central cylindrical gear, one end of the rigid connecting rod is rotationally connected with the vehicle frame around the axis of the central cylindrical gear, the other end of the rigid connecting rod is rotationally connected with the second cylindrical gear around the axis of the second cylindrical gear, the second cylindrical gear is in correct meshing transmission with the central cylindrical gear, one end of the elastic connecting rod is rotationally connected with the vehicle frame around the axis of the first cylindrical gear, the other end of the elastic connecting rod is rotationally connected with the second cylindrical gear around the axis of the second cylindrical gear, the rotation axes of the elastic connecting rod and the central cylindrical gear are in correct meshing transmission, and the rotation axes of the cylindrical gears are parallel to each other;
wherein: number of first spur gear teeth Z1Input torque N1Input rotational speed M1Number of second spur gear teeth Z2Input torque N2Input rotational speed M2Synchronization condition M of two gear input rotation speeds1Z1＝M2Z2，M1、M2Number of equidirectional, central cylindrical gear teeth ZOOutput rotational speed MO＝M1Z1/ZOOutput torque NO＝ZO(N1/Z1+N2/Z2) The vehicle body is driven to roll to move, the synchronous difference of the rotating speed caused by the input rotating speed fluctuation in the transmission process is compensated by the length change of the elastic connecting rod, the gear meshing motion interference is avoided, the center distance between the first cylindrical gear and the second cylindrical gear and the center cylindrical gear is kept unchanged when the length of the elastic connecting rod is changed, and the double-power hybrid vehicle body rolling motion is realized.
2. The vehicle body roll driving mechanism according to claim 1, wherein the elastic link is an elastic two-force rod, and the elastic link is a straight elastic link of an equal diameter, or a C-shaped or S-shaped elastic link made of an elastic material, and generates a slight amount of tensile or compressive displacement by an external force.
3. The vehicle body roll driving mechanism according to claim 1, wherein the first spur gear and the second spur gear are spur cylindrical external gears, and when the central spur gear is the spur cylindrical external gear, the vehicle body roll driving mechanism is externally engaged; when the central cylindrical gear is a straight-tooth cylindrical internal gear, an internal-meshing vehicle body side-tipping driving mechanism is formed.
4. The vehicle body roll drive mechanism according to claim 1, wherein the first cylindrical gear and the second cylindrical gear are helical cylindrical external gears, and when the helical cylindrical external gears are selected as the central cylindrical gears, the vehicle body roll drive mechanism is externally engaged; when the central cylindrical gear is a helical cylindrical internal gear, an internal-meshing vehicle body side-tipping driving mechanism is formed.
5. A four-wheeled vehicle with an actively rolling body, comprising: the vehicle body roll driving mechanism according to claim 1, wherein the four-wheel vehicle having front wheel steering, rear wheel driving and vehicle body active roll characteristics is formed by connecting a left front wheel, a right front wheel, a left rear wheel and a right rear wheel to each other through four sets of suspensions and shock absorbers according to a given wheelbase and a given wheelbase, and by double front wheel steering and double rear wheel driving.
6. The positive tricycle that inclines is initiatively leaned to the automobile body, its characterized in that includes: the vehicle body roll driving mechanism of claim 1, wherein the frame is connected with the left rear wheel and the right rear wheel respectively according to a given wheel base through two groups of suspensions and shock absorbers, the double rear wheel drives, the vehicle body is connected with a front wheel according to a given axle base through a steering arm and a shock absorber, the front wheel turns, the vehicle body roll driving mechanism controls the vehicle body roll, and the single front wheel and the vehicle body roll in a self-adaptive mode together to form the positive tricycle with the characteristics of double rear wheel drives, front wheel steering and vehicle body active roll.
7. The car body initiative is leaned on one side and is fallen tricycle, its characterized in that includes: the vehicle body roll driving mechanism of claim 1, wherein the frame is connected with the left front wheel and the right front wheel respectively according to a given wheel base through two groups of suspensions and shock absorbers, the double front wheels are steered, the vehicle body is connected with a rear wheel according to a given wheel base through a swing arm and a shock absorber, the rear wheel is driven, the vehicle body roll driving mechanism controls the vehicle body roll, and the single rear wheel and the vehicle body roll in a self-adaptive mode together to form the inverted tricycle with the characteristics of double front wheel steering, single rear wheel driving and vehicle body active roll.
CN202110878249.2A 2021-07-26 2021-07-26 Vehicle body side-tipping driving mechanism and active side-tipping vehicle using same Pending CN113479261A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110878249.2A CN113479261A (en) 2021-07-26 2021-07-26 Vehicle body side-tipping driving mechanism and active side-tipping vehicle using same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110878249.2A CN113479261A (en) 2021-07-26 2021-07-26 Vehicle body side-tipping driving mechanism and active side-tipping vehicle using same

Publications (1)

Publication Number Publication Date
CN113479261A true CN113479261A (en) 2021-10-08

Family

ID=77945009

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110878249.2A Pending CN113479261A (en) 2021-07-26 2021-07-26 Vehicle body side-tipping driving mechanism and active side-tipping vehicle using same

Country Status (1)

Country Link
CN (1) CN113479261A (en)

Similar Documents

Publication Publication Date Title
CN110294035B (en) Vehicle body side-tipping driving mechanism and vehicle using same
US8708857B2 (en) Drive unit, particularly rear drive unit, for an all-wheel drive of a motor vehicle
CN112026910A (en) Wire-controlled chassis platform applied to unmanned full-freedom steering
CN101153637B (en) Shaft drive power transmission device of vehicle
CN110294032B (en) Vehicle body side-tipping driving device and vehicle using same
WO2011127229A2 (en) Differential
CN101391620A (en) Gear box-typed active front steering system in vehicle
CN107215386A (en) The electric vehicle system that a kind of four motorized wheels and independent omnidirectional turn to
CN112026777B (en) Vehicle composite steering system and mode switching control method thereof
CN110936784A (en) Vehicle body roll control mechanism and active roll vehicle using same
CN113665718A (en) Redundant driving mechanism and active side-tipping tricycle
CN110294033B (en) Car body side-tipping limiting mechanism and vehicle using same
CN206938375U (en) Actively anti-body roll suspension system
CN213323321U (en) Wire-controlled chassis platform applied to unmanned full-freedom steering
CN113479261A (en) Vehicle body side-tipping driving mechanism and active side-tipping vehicle using same
CN110497957B (en) Steering device
CN113212549B (en) Active side-tipping vehicle double-wheel steering time-delay transmission device and method
CN113071306A (en) Multi-gear rotatable hub power assembly
CN212124773U (en) Disconnected wheel-side electric-driven steering independent suspension system
CN113443007A (en) Vehicle side-tipping driving mechanism and active side-tipping tricycle using same
CN206938376U (en) Anti- body roll actuator
CN201254097Y (en) Light car divided steering drive axle assembly controlled by high efficiency differential
CN104890489B (en) Motor is arranged in the trapezoidal link-type independent suspension speed-reducing type wheel power drive system of vehicle frame
JPH09136520A (en) Suspension device for steering wheel in vehicle
CN117885848A (en) Driving wheel trailing arm, driving assembly and electric vehicle

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination