CN108790660A - A kind of Active Suspensions structure based on linear electric machine - Google Patents

A kind of Active Suspensions structure based on linear electric machine Download PDF

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Publication number
CN108790660A
CN108790660A CN201810707413.1A CN201810707413A CN108790660A CN 108790660 A CN108790660 A CN 108790660A CN 201810707413 A CN201810707413 A CN 201810707413A CN 108790660 A CN108790660 A CN 108790660A
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CN
China
Prior art keywords
electric machine
linear electric
vehicle body
interconnecting piece
wheel
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Granted
Application number
CN201810707413.1A
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Chinese (zh)
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CN108790660B (en
Inventor
兰凤崇
曾立锵
陈吉清
陶孙文
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South China University of Technology SCUT
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South China University of Technology SCUT
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Priority to CN201810707413.1A priority Critical patent/CN108790660B/en
Publication of CN108790660A publication Critical patent/CN108790660A/en
Application granted granted Critical
Publication of CN108790660B publication Critical patent/CN108790660B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/14Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/016Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
    • B60G17/0162Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input mainly during a motion involving steering operation, e.g. cornering, overtaking
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/016Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
    • B60G17/0164Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input mainly during accelerating or braking
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/016Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
    • B60G17/0165Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input to an external condition, e.g. rough road surface, side wind
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G3/00Resilient suspensions for a single wheel
    • B60G3/18Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
    • B60G3/20Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/16Running
    • B60G2800/164Heaving; Squatting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/18Starting, accelerating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/20Stationary vehicle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/24Steering, cornering

Abstract

The Active Suspensions structure based on linear electric machine that the present invention relates to a kind of, including pendulum spring and lower swing arm, lower swing arm is horizontally disposed, lower swing arm one end is rotationally connected with the wheel shaft of wheel, the other end is articulated with vehicle body, pendulum spring is set to the top of lower swing arm, the upper end of pendulum spring is connect with suspension tower top, it further include linear electric machine, connector and supporting rod, linear electric machine is set to the bottom of vehicle body, and the movable end of linear electric machine is moved along the wheel axis direction of wheel, connector is vertically arranged, the lower end of pendulum spring is fixed in the top of connector, the middle part of connector is hinged with vehicle body, the lower part of connector and the movable end of linear electric machine are hinged, supporting rod is vertically arranged, the upper articulation of supporting rod is in the top of connector, the lower hinge of supporting rod is in lower swing arm, the ontology of linear electric machine is flexibly connected with vehicle body.The present invention actively can drive wheel to move up and down, and buffer jolting on road surface, control the posture of vehicle body, reduce the requirements of type selecting of linear electric machine.

Description

A kind of Active Suspensions structure based on linear electric machine
Technical field
The present invention relates to the suspension fields of automobile, more particularly to a kind of Active Suspensions structure based on linear electric machine.
Background technology
Automobile suspension system refers to being had by the support system between vehicle body and tire and being supported vehicle body, improves riding comfort Effect.The suspension system of traditional automobile hanging structure is mainly made of spring and damper, can only passively buffer road Jolting on face, damping effect is undesirable, it tends to be difficult at the same take into account the comfort of seating and handling when running at high speed and Stability, and can occur rolling and swing because of the effect of vehicle centrifugal force or pitch in adjustment turning or whens acceleration and deceleration, shadow Ring the comfort and stability of vehicle.And traditional Active Suspensions structure control required precision is high, and it is complicated, it is with high costs, It is difficult to popularize on a large scale, the action of suspension is controlled often through the mode for the damping for changing damper, it cannot be most effectively Active control body gesture.
Invention content
For the technical problems in the prior art, the purpose of the present invention is:A kind of master based on linear electric machine is provided Dynamic suspended structure, the requirement to the volumetric constraint of linear electric machine, thrust and precision all decrease, can active buffer by not Flat road surface is transmitted to the impact force of vehicle body, and improve vehicle it is excessively curved when stability.
In order to achieve the above object, the present invention adopts the following technical scheme that:
A kind of Active Suspensions structure based on linear electric machine, including pendulum spring and lower swing arm, lower swing arm is horizontally disposed, under Swing arm one end is rotationally connected with the wheel shaft of wheel, and the other end is articulated with vehicle body, and pendulum spring is set to the top of lower swing arm, suspension The upper end of spring is connect with suspension tower top, further includes linear electric machine, connector and supporting rod, and linear electric machine is set to the bottom of vehicle body Portion, and the movable end of linear electric machine is moved along the wheel axis direction of wheel, connector is vertically arranged, and the lower end of pendulum spring is fixed in The top of connector, the middle part of connector and vehicle body are hinged, and the lower part of connector and the movable end of linear electric machine are hinged, supporting rod It is vertically arranged, the upper articulation of supporting rod is in the top of connector, and the lower hinge of supporting rod is in lower swing arm, the sheet of linear electric machine Body is flexibly connected with vehicle body.The movable end of linear electric machine it is flexible can the lower part with follower link with the hinge of connector and vehicle body It is rotated centered on contact, connector gives supporting rod one downward or upward power, so as to initiatively drive wheel or more Movement, adjusts the posture of vehicle body, active buffer is transmitted to the impact force of vehicle body by uneven road surface, while actively being corrected vehicle body and being turned round When inclination, improve vehicle it is excessively curved when stability.And the movable end of linear electric machine is moved along the wheel axis direction of wheel, connector With the setting of supporting rod so that the arm of force of the active force of linear electric machine is longer, according to lever principle, the movable end of linear electric machine without It too big active force need to be exported can draw wheel and swing up and down, to control the posture of vehicle body, and linear electric machine movable end moves Dynamic distance is transmitted to being reduced when swinging up and down for road wheel end, therefore the requirement of the thrust and control accuracy to linear electric machine Relative reduction, it is easier to which wheel is actively adjusted.
Further, connector includes the horizontal support arm being laterally arranged and longitudinally disposed vertical support arm, and the top of horizontal support arm is affixed In the lower end of pendulum spring, the side of horizontal support arm is fixed in the top of vertical support arm, and the other side of horizontal support arm is articulated with supporting rod Top, indulge support arm lower hinge in the movable end of linear electric machine.Horizontal support arm by connector and vertical support arm, will hang bullet Spring, lower swing arm and linear electric machine are organically combined together, rationally distributed, and the setting of horizontal support arm is indulged convenient for arrangement pendulum spring The setting of support arm is connect with horizontal support arm convenient for support arm is connect and indulged with vehicle body convenient for increasing the arm of force of linear motor, is further amplified The active force on lower swing arm of linear electric machine.
Further, it indulges support arm and is equipped with horizontally disposed engaging lug, engaging lug is arranged with vertical support arm in same plane, connection One end of ear is fixed in vertical support arm, and the other end faces away from the direction of wheel, and the other end of engaging lug is provided with horizontal through-hole, even Fitting is articulated with through-hole with vehicle body.Engaging lug protrude from vertical support arm be set as vertical support arm and the connection of vehicle body provides more Installation space will not be interfered by vertical support arm and horizontal support arm, and connection is more convenient.
Further, engaging lug is arranged close to horizontal support arm, increases linear electric machine at a distance from engaging lug, therefore also increase The arm of force of linear electric machine active force, according to lever principle, the movable end of linear electric machine can be led without exporting too big active force Draw wheel to swing up and down, to control the posture of vehicle body, to the thrust requirements relative reduction of linear electric machine, it is easier to wheel master It is dynamic to adjust.
Further, side of the ontology of linear electric machine far from movable end is articulated with vehicle body, and linear electric machine movable end stretches It will not be interfered, the active adjusting of linear electric machine is more accurate.The ontology of linear electric machine is equipped with damping close to the side of movable end One end of spring, damping spring is fixed in linear electric machine, and the other end is suspended to vehicle body, can effectively absorb jolt from vehicle body and The impact that the Large Amplitude Motion of suspension is brought, to protect linear electric machine to be less likely to be damaged.
Further, side of the ontology of linear electric machine far from movable end is equipped with lifting lug, and lifting lug is vertically arranged, and upper end is fixed in Body bottom, lower end are hinged with linear electric machine.Therefore the ontology of linear electric machine is fixed, linear electric machine movable end it is flexible not It can be interfered, accurately actively be adjusted for linear electric machine and provide good condition.By being hinged for lifting lug, make linear electric machine Ontology can be rotated around hinge joint, the ontology of linear electric machine can be made close to the side of movable end under the connection of damping spring It moves up and down, is conducive to damping spring and plays cushioning effect, protection protection linear electric machine is less likely to be damaged.
Further, lower swing arm includes wheel shaft interconnecting piece and vehicle body interconnecting piece, and wheel shaft interconnecting piece one end is rotationally connected with wheel Wheel shaft, the other end of wheel shaft interconnecting piece is fixed in vehicle body interconnecting piece, and vehicle body interconnecting piece includes the first vehicle body interconnecting piece and the One end of two vehicle body interconnecting pieces, the first vehicle body interconnecting piece is fixed in wheel shaft interconnecting piece, the other end hinge of the first vehicle body interconnecting piece It is connected to vehicle body, one end of the second vehicle body interconnecting piece is fixed in wheel shaft interconnecting piece, and the other end of the second vehicle body interconnecting piece is articulated with Vehicle body, the first vehicle body interconnecting piece and the second vehicle body interconnecting piece are located at the both sides of connector, and the lower hinge of supporting rod is in wheel Axis connection portion.With the above structure, it is convenient for the layout of lower swing arm, and lower swing arm has the first vehicle body interconnecting piece and the second vehicle body to connect Two fulcrums being connect with vehicle body of socket part, connection is more firm, and convenient for the layout of connector.
Generally speaking, the invention has the advantages that:
The flexible of the movable end of linear electric machine can be during the lower part with follower link be with the hinge joint of connector and vehicle body The heart rotates, and connector gives supporting rod one downward or upward power, so as to initiatively wheel be driven to move up and down, adjusts The posture of vehicle body, active buffer are transmitted to the impact force of vehicle body by uneven road surface, while actively correcting inclination of the vehicle body when turning round, Stability when raising vehicle is excessively curved.And the movable end of linear electric machine is moved along the wheel axis direction of wheel, connector and supporting rod Setting, suspended structure forms a lever, and linear electric machine is located at long arm of force end, and wheel is located at short arm of force end, former according to lever Reason, the movable end of linear electric machine can draw wheel without exporting too big active force and swing up and down, to control the appearance of vehicle body State, and the distance of linear electric machine movable end movement is transmitted to being reduced when swinging up and down for road wheel end, therefore to linear electric machine Thrust requirements and positioning accuracy request relative reduction, it is easier to wheel actively adjust.Linear electric machine is mounted on by the present invention The lower section of lower swing arm has the space of bigger to install linear electric machine, can reduce to linear electric machine compared to common Active Suspensions Volume constraint requirement.
Description of the drawings
Fig. 1 is a kind of dimensional structure diagram of the Active Suspensions structure based on linear electric machine of the present invention.
Fig. 2 is a kind of front view of the Active Suspensions structure based on linear electric machine of the present invention.
Fig. 3 is a kind of vertical view of the Active Suspensions structure based on linear electric machine of the present invention.
Fig. 4 is a kind of linear electric machine of Active Suspensions structure based on linear electric machine of the present invention and the connection type of vehicle body Schematic diagram.
Include in wherein Fig. 1~Fig. 4:
1 --- linear electric machine, 11 --- lifting lug, 12 --- damping spring;
2 --- L-shaped connecting rod, 21 --- horizontal support arm, 22 --- vertical support arm, 221 --- engaging lug,
2211 --- through-hole;
3 --- supporting rod;
4 --- lower swing arm, 41 --- wheel shaft interconnecting piece, 42 --- first vehicle body interconnecting piece,
43 --- the second vehicle body interconnecting piece;
5 --- pendulum spring;
6 --- wheel;
7 --- body bottom.
Specific implementation mode
It is next below that the present invention will be further described in detail.
As shown in Figure 1 to 4, a kind of Active Suspensions structure based on linear electric machine 1, including pendulum spring 5 and lower swing arm 4, lower swing arm 4 is horizontally disposed, and 4 one end of lower swing arm is rotationally connected with the wheel shaft of wheel 6, and the other end is articulated with vehicle body, pendulum spring 5 It is set to the top of lower swing arm 4, the upper end of pendulum spring 5 is connect with suspension tower top, further includes linear electric machine 1, connector and branch Strut 3, linear electric machine 1 is set to the bottom of vehicle body, and the movable end of linear electric machine 1 is moved along the wheel axis direction of wheel 6, connection Part is vertically arranged, and the lower end of pendulum spring 5 is fixed in the top of connector, and the middle part of connector and vehicle body are hinged, connector The movable end of lower part and linear electric machine 1 is hinged, and supporting rod 3 is vertically arranged, the upper articulation of supporting rod 3 in the top of connector, The lower hinge of supporting rod 3 is flexibly connected in lower swing arm 4, the ontology of linear electric machine 1 with vehicle body.The movable end of linear electric machine 1 It is flexible can the lower part with follower link to be rotated centered on the hinge joint of connector and vehicle body, connector is to supporting rod 3 one Downward or upward power adjusts the posture of vehicle body, active buffer is not by so as to initiatively drive wheel 6 to move up and down Flat road surface is transmitted to the impact force of vehicle body, while actively correcting inclination of the vehicle body when turning round, stability when raising vehicle is excessively curved. And the movable end of linear electric machine 1 is moved along the wheel axis direction of wheel 6, the setting of connector and supporting rod 3 so that linear electric machine 1 Active force the arm of force it is longer, according to lever principle, the movable end of linear electric machine 1 can be drawn without exporting too big active force Wheel 6 is swung up and down, and to control the posture of vehicle body, and the distance of 1 movable end of linear electric machine movement is transmitted to the upper of 6 end of wheel It can be reduced when lower swing, the requirement relative reduction of thrust and control accuracy to linear electric machine 1, it is easier to actively to wheel 6 It adjusts.
Connector includes the horizontal support arm 21 being laterally arranged and longitudinally disposed vertical support arm 22, and the top of horizontal support arm 21 is fixed in The lower end of pendulum spring 5, the side of horizontal support arm 21 are fixed in the top of vertical support arm 22, and the other side of horizontal support arm 21 is articulated with branch The lower hinge of support arm 22 is indulged in the movable end of linear electric machine 1 in the top of strut 3.In the present embodiment, connector is a L-type Connecting rod 2.By the horizontal support arm 21 and vertical support arm 22 of connector, pendulum spring 5, lower swing arm 4 and linear electric machine 1 are organically combined Together, rationally distributed, convenient for arrangement pendulum spring 5, the setting of vertical support arm 22 is convenient for connecting with vehicle body for the setting of horizontal support arm 21 And vertical support arm 22 connect the arm of force for being convenient for the linear motor of increase by 1 with horizontal support arm 21, be further amplified linear electric machine 1 in lower swing arm Active force on 4.
Vertical support arm 22 is equipped with horizontally disposed engaging lug 221, and engaging lug 221 is arranged with vertical support arm 22 in same plane, One end of engaging lug 221 is fixed in vertical support arm 22, and the other end faces away from the direction of wheel 6, and the other end of engaging lug 221 is provided with Horizontal through-hole 2211, connector are articulated with through-hole 2211 with vehicle body.What engaging lug 221 protruded from vertical support arm 22 is set as vertical branch Arm 22 and the connection of vehicle body provide more installation spaces, will not be interfered by vertical support arm 22 and horizontal support arm 21, and connection is more square Just.
Engaging lug 221 is arranged close to horizontal support arm 21, increases linear electric machine 1 at a distance from engaging lug 221, therefore also increase The arm of force of linear electric machine 1, according to lever principle, the movable end of linear electric machine 1 can be drawn without exporting too big active force Wheel 6 is swung up and down, and to control the posture of vehicle body, and the distance of 1 movable end of linear electric machine movement is transmitted to the upper of 6 end of wheel It can be reduced when lower swing, the requirement relative reduction of thrust and control accuracy to linear electric machine 1, it is easier to actively to wheel 6 It adjusts.
Side of the ontology of linear electric machine 1 far from movable end is articulated with vehicle body, and the flexible of 1 movable end of linear electric machine will not be by Active adjusting to interference, linear electric machine 1 is more accurate.The ontology of linear electric machine 1 is equipped with damping spring close to the side of movable end 12, one end of damping spring 12 is fixed in linear electric machine 1, and the other end is suspended to vehicle body, can effectively absorb and jolt from vehicle body The impact brought with the Large Amplitude Motion of suspension, to protect linear electric machine 1 to be less likely to be damaged.Linear electric machine 1 not only may be used simultaneously Externally to do work, moreover it is possible to the impact energy that wheel 6 is transmitted to linear electric machine 1 during filtering is jolted is used to generate electricity, from And it is that electric vehicle brings additional course continuation mileage;And wheel 6 can be transmitted with the fluctuation on road surface with the structure of suspension To linear electric machine 1, linear electric machine 1 collects the fluctuating information to road surface, and the acquisition of real-time road spectrum may be implemented.
Side of the ontology of linear electric machine 1 far from movable end is equipped with lifting lug 11, and lifting lug 11 is vertically arranged, and upper end is fixed in vehicle Body bottom 7, lower end are hinged with linear electric machine 1.Therefore the ontology of linear electric machine 1 is fixed, and 1 movable end of linear electric machine stretches It will not be interfered, good condition is provided for accurate actively adjust of linear electric machine 1.By being hinged for lifting lug 11, make line The ontology of property motor 1 can be rotated around hinge joint, and the ontology of linear electric machine 1 can be in damping spring 12 close to the side of movable end Connection under move up and down, be conducive to damping spring 12 play cushioning effect, protection protection linear electric machine 1 be less likely to be damaged.
Lower swing arm 4 includes wheel shaft interconnecting piece 41 and vehicle body interconnecting piece, and 41 one end of wheel shaft interconnecting piece is rotationally connected with wheel 6 The other end of wheel shaft, wheel shaft interconnecting piece 41 is fixed in vehicle body interconnecting piece, and vehicle body interconnecting piece includes 42 He of the first vehicle body interconnecting piece One end of second vehicle body interconnecting piece 43, the first vehicle body interconnecting piece 42 is fixed in wheel shaft interconnecting piece 41, the first vehicle body interconnecting piece 42 Other end is articulated with vehicle body, and one end of the second vehicle body interconnecting piece 43 is fixed in wheel shaft interconnecting piece 41, the second vehicle body interconnecting piece 43 Other end be articulated with vehicle body, the first vehicle body interconnecting piece 42 and the second vehicle body interconnecting piece 43 are located at the both sides of connector, The lower hinge of supporting rod 3 is in wheel shaft interconnecting piece 41.With the above structure, it is convenient for the layout of lower swing arm 4, and lower swing arm 4 has 43 two fulcrums being connect with vehicle body of first vehicle body interconnecting piece 42 and the second vehicle body interconnecting piece, connection is more firm, and convenient for connecting The layout of fitting reduces the requirements of type selecting of linear electric machine 1.
The operation principle of the present invention:
Effective need of work of the present invention depends on the identification of vehicle road pavement situation.The acquisition of information of road surface can come from In the identification device of vehicle road pavement itself, moreover it is possible to which the data road of road pavement uneven is composed when passing through the section by every trolley The big data being aggregated to form obtains the details of evenness of road surface degree in advance, then by parser by the road surface in front Situation is converted into the signal of driving linear electric machine 1, to make linear electric machine 1 draw suspension work.
Walking is in bumpy road:
When vehicle identification wheel 6 will cross the protrusion of road surface ahead, controller, which is sent commands to, controls the wheel 6 Linear electric machine 1, the movable end of linear electric machine 1 retracts, and makes the hinge for the through-hole 2211 that L-shaped connecting rod 2 passes around on engaging lug 221 Spindle (not shown) rotates, and L-shaped connecting rod 2 gives 3 one downward power of supporting rod, supporting rod 3 that downward power is transmitted to the bottom Arm 4, and lower swing arm 4 is connected to wheel 6, therefore wheel 6 is also by a downward power, to which the present invention can initiatively drive Wheel 6 moves down, and suspension is allow to be ready in advance when protrusion arrives, and initiatively buffers and is transmitted to vehicle by uneven road surface The impact force of body;
When vehicle identification wheel 6 will cross the pit of road surface ahead, controller sends commands to linear electric machine 1, line Property motor 1 movable end stretch out, so that L-shaped connecting rod 2 is passed around the articulated shaft rotation of through-hole 2211 on engaging lug 221, L-shaped connects Bar 2 gives 3 one upward power of supporting rod, and upward power is transmitted to lower swing arm 4 by supporting rod 3, and lower swing arm 4 is connected to wheel 6, because This wheel 6 is also allow suspension to exist by a upward power to which the present invention can initiatively drive wheel 6 to move up Pit is ready in advance when arriving, and initiatively buffers the impact force that vehicle body is transmitted to by uneven road surface.
When vehicle is excessively curved:
When vehicle identification will be excessively left curved, controller sends commands to the right linear electric machine of control the right wheel, right The movable end of side linear electric machine stretches out, and the articulated shaft that the right L-shaped connecting rod passes around on the engaging lug of the right is made to rotate counterclockwise, right Side L-shaped connecting rod brings the right supporting rod and the oblique upper left power of the right lower swing arm one, this power has one to the right lower swing arm A horizontal component to the left can balance the curved vehicle in the process that turns left to bring the horizontal component of the right wheel one to the left The centrifugal force to the right being subject to.Meanwhile controller sends commands to the left side linear electric machine of control left side wheel, the left side is linearly electric The movable end of machine is retracted, and the articulated shaft that left side L-shaped connecting rod passes around on the engaging lug of the left side is made to rotate counterclockwise, and left side L-shaped connects Bar brings the power of one oblique lower left of left side supporting rod and left side lower swing arm, and there are one to the left to left side lower swing arm for this power Horizontal component, to bring the horizontal component of left side wheel one to the left, vehicle is subject to the right during can balancing turning Centrifugal force.Therefore the present invention can actively correct inclination of the vehicle body in turn left, make passenger by it is certain to the left Acceleration of gravity component with balance turn left it is curved during the centrifugal force to the right that is subject to, the excessively curved of occupant can be made to feel more flat It is steady comfortable, at the same can also reduce vehicle turn left it is curved during vehicle body whipping, improve vehicle it is excessively left curved when stability and manipulation The limit.When vehicle identification will be excessively right curved, control logic is similar.
When vehicle suddenly slows down or suddenly accelerates:
When vehicle identification will slow down, controller sends commands to the headstock linear electric machine of control headstock both sides wheel, The movable end of headstock linear electric machine stretches out, and headstock L-shaped connecting rod is made to pass around the headstock articulated shaft rotation on headstock engaging lug, vehicle Head L-shaped connecting rod gives headstock supporting rod one upward power, and upward power is transmitted to headstock lower swing arm by headstock supporting rod, and under headstock Swing arm respectively connected headstock both sides wheel, therefore headstock both sides wheel is also by a upward power, to which the present invention can Headstock both sides wheel is initiatively driven to move up, headstock both sides wheel provides stronger support force over the ground, can balance deceleration The bigger pressure that vehicle applies due to center of gravity Forward caused by centrifugal force to headstock both sides wheel in the process;Controller hair simultaneously It loses one's life and enables to the tailstock linear electric machine of control tailstock both sides wheel, the movable end of tailstock linear electric machine is retracted, and tailstock L-shaped connecting rod is made The tailstock articulated shaft rotation on tailstock engaging lug is passed around, tailstock L-shaped connecting rod gives tailstock supporting rod one downward power, the tailstock Downward power is transmitted to tailstock lower swing arm by supporting rod, and tailstock lower swing arm respectively connected tailstock both sides wheel, therefore the tailstock two Side wheel is also by a downward power, to which the present invention can initiatively drive tailstock both sides wheel to move down, the tailstock two Support force reduces side wheel over the ground, and the tailstock in moderating process can be inhibited to cause the tailstock since center of gravity caused by centrifugal force moves forward The phenomenon that upwarping.Therefore " nodding " and " stick up that the headstock sinking of the invention that can actively correct vehicle body when slowing down, the tailstock upwarp Tail " phenomenon makes the shaking smaller of compartment pitch, so that passenger is felt more stable comfortable, while can also improve vehicle urgency Vehicle body stability when deceleration and the manipulation limit.When vehicle suddenly accelerates, control logic is similar, when vehicle can be inhibited suddenly to accelerate Headstock tilts, the body gesture that the tailstock sinks, the earth-grasping force of front-wheel and manipulation ability when improving anxious accelerate.
In cross-country road:
When vehicle passes through rough cross-country section, vehicle can be sent out by the road conditions in front of identifying by controller It loses one's life and enables to the corresponding linear motor of each wheel of control, each wheel is made correspondingly upwardly or downwardly to be moved with the fluctuating on ground Dynamic, thus the more accurately high and low position of each wheel of real-time control vehicle, making each wheel that can use up in the process of moving can Energy ground is contacted with ground, avoids wheel hanging that wheel spin, power is caused to be lost in, and keeps automobile body stable and safe.Simultaneously Also it can make four wheels that vehicle bodies be supported to increase certain altitudes, ensure enough chassis road clearances by controlling suspension in real time, Vehicle chassis is avoided to knock bottom.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment Limitation, it is other it is any without departing from the spirit and principles of the present invention made by changes, modifications, substitutions, combinations, simplifications, Equivalent substitute mode is should be, is included within the scope of the present invention.

Claims (7)

1. a kind of Active Suspensions structure based on linear electric machine, including pendulum spring and lower swing arm, lower swing arm is horizontally disposed, the bottom Arm one end is rotationally connected with the wheel shaft of wheel, and the other end is articulated with vehicle body, and pendulum spring is set to the top of lower swing arm, hangs bullet The upper end of spring is connect with suspension tower top, it is characterised in that:Further include linear electric machine, connector and supporting rod, linear electric machine setting In the bottom of vehicle body, and the movable end of linear electric machine is moved along the wheel axis direction of wheel, and connector is vertically arranged, pendulum spring Lower end is fixed in the top of connector, and the middle part of connector and vehicle body are hinged, the lower part of connector and the movable end of linear electric machine Hinged, supporting rod is vertically arranged, the upper articulation of supporting rod in the top of connector, the lower hinge of supporting rod in lower swing arm, The ontology of linear electric machine is flexibly connected with vehicle body.
2. a kind of Active Suspensions structure based on linear electric machine described in accordance with the claim 1, it is characterised in that:Connector includes The horizontal support arm and longitudinally disposed vertical support arm being laterally arranged are fixed in the lower end of pendulum spring at the top of horizontal support arm, horizontal support arm Side is fixed in the top of vertical support arm, and the other side of horizontal support arm is articulated with the top of supporting rod, indulge support arm lower hinge in The movable end of linear electric machine.
3. a kind of Active Suspensions structure based on linear electric machine according to claim 2, it is characterised in that:It is set on vertical support arm There are horizontally disposed engaging lug, engaging lug to be arranged in same plane with vertical support arm, one end of engaging lug is fixed in vertical support arm, another End faces away from the direction of wheel, and the other end of engaging lug is provided with horizontal through-hole, and connector is articulated with through-hole with vehicle body.
4. a kind of Active Suspensions structure based on linear electric machine described in accordance with the claim 3, it is characterised in that:Engaging lug is close Horizontal support arm setting.
5. a kind of Active Suspensions structure based on linear electric machine described in accordance with the claim 1, it is characterised in that:Linear electric machine Side of the ontology far from movable end is articulated with vehicle body, and the ontology of linear electric machine is equipped with damping spring close to the side of movable end, subtracts One end of shake spring is fixed in linear electric machine, and the other end is suspended to vehicle body.
6. a kind of Active Suspensions structure based on linear electric machine described in accordance with the claim 1, it is characterised in that:Linear electric machine Side of the ontology far from movable end is equipped with lifting lug, and lifting lug is vertically arranged, and upper end is fixed in body bottom, and lower end is cut with scissors with linear electric machine It connects.
7. a kind of Active Suspensions structure based on linear electric machine described in accordance with the claim 1, it is characterised in that:Lower swing arm includes Wheel shaft interconnecting piece and vehicle body interconnecting piece, wheel shaft interconnecting piece one end are rotationally connected with the wheel shaft of wheel, and other the one of wheel shaft interconnecting piece End is fixed in vehicle body interconnecting piece, and vehicle body interconnecting piece includes the first vehicle body interconnecting piece and the second vehicle body interconnecting piece, the connection of the first vehicle body The one end in portion is fixed in wheel shaft interconnecting piece, and the other end of the first vehicle body interconnecting piece is articulated with vehicle body, the second vehicle body interconnecting piece One end is fixed in wheel shaft interconnecting piece, and the other end of the second vehicle body interconnecting piece is articulated with vehicle body, the first vehicle body interconnecting piece and second Vehicle body interconnecting piece is located at the both sides of connector, and the lower hinge of supporting rod is in wheel shaft interconnecting piece.
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CN110422025A (en) * 2019-07-05 2019-11-08 浙江吉利汽车研究院有限公司 A kind of double yoke suspensions, double yoke suspension automatic regulating systems and method
CN111619296A (en) * 2020-04-29 2020-09-04 风神襄阳汽车有限公司 Suspension system for wheel train movement device and automobile
WO2023109744A1 (en) * 2021-12-13 2023-06-22 蔚来汽车科技(安徽)有限公司 Vehicle and rear suspension component for same

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CN208842166U (en) * 2018-07-02 2019-05-10 华南理工大学 A kind of Active Suspensions structure based on linear electric machine

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US4143887A (en) * 1977-12-21 1979-03-13 General Motors Corporation Independent rear suspension system
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Publication number Priority date Publication date Assignee Title
CN110422025A (en) * 2019-07-05 2019-11-08 浙江吉利汽车研究院有限公司 A kind of double yoke suspensions, double yoke suspension automatic regulating systems and method
CN111619296A (en) * 2020-04-29 2020-09-04 风神襄阳汽车有限公司 Suspension system for wheel train movement device and automobile
WO2023109744A1 (en) * 2021-12-13 2023-06-22 蔚来汽车科技(安徽)有限公司 Vehicle and rear suspension component for same

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