CN208198035U - A kind of chassis elevating device for vehicle - Google Patents
A kind of chassis elevating device for vehicle Download PDFInfo
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- CN208198035U CN208198035U CN201820506409.4U CN201820506409U CN208198035U CN 208198035 U CN208198035 U CN 208198035U CN 201820506409 U CN201820506409 U CN 201820506409U CN 208198035 U CN208198035 U CN 208198035U
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- damping spring
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- regulation seat
- wheel
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Abstract
The utility model relates to a kind of chassis elevating device for vehicle, including at least two front-wheel vibration absorption unit and at least two rear wheel shock-absorbing unit, the front-wheel vibration absorption unit includes preceding damping spring, preceding hydraulic regulation seat and the front damper with the cooperation of preceding damping spring, the preceding hydraulic regulation seat is set to preceding damping spring lower end, to support and adjust the height of preceding damping spring；The rear wheel shock-absorbing unit includes rear damping spring, rear hydraulic regulation seat and the rear shock absorber with the cooperation of rear damping spring, it is described after hydraulic regulation seat be set to rear damping spring lower end, with the height of damping spring after supporting and adjusting；Wherein, the preceding hydraulic regulation seat and rear hydraulic regulation seat are controlled by elevating control unit.The utility model is based on hydraulic regulator and front and back wheel chassis is raised or forced down adjusting, can steadily adjust chassis, uneven vehicle body is adjusted to equilibrium state, can also be adjusted to non-equilibrium state in advance so that vehicle body passes through tilted road surface with equilibrium state.
Description
Technical field
The utility model relates to field of automobile, more particularly to a kind of chassis elevating device for vehicle.
Background technique
Chassis height is very big on the influence of handling and passability, and in general, chassis is low, can be improved handling and safe
Property, chassis is high, improves passability.There is a large amount of different surface conditions, the existing good expressway of flatness in China, and have hole
Hollow road surface, especially in the area that geological disaster takes place frequently, road surface is damaged, or causes inclination, and common vehicle is just at this time
It can not pass through.So realizing problem urgently to be resolved when adapting to different road surfaces to automobile chassis automatic adjustment.
Certainly there is a large amount of chassis lifting technology to be studied at present, for example adjusted automobile chassis liter by bolt
Falling unit, but this each adjusting chassis height require by vehicle with lifting equipment lift with specific purpose tool to bolt into
Row adjusts to realize the lifting on chassis, needs professional to carry out operation and realizes lifting, can only single-wheel be adjusted, and its not side
Just, it so chassis height can not be adjusted in common driver according to different road conditions, improves traffic safety and relaxes
Adaptive.And automobile chassis working environment is severe, bolt adjust again it is long-term it is exposed outside, the time, which has been grown, to be difficult to chassis height
It is adjusted.
Another chassis lifting technology, using pneumatic chassis regulating system, pneumatic chassis regulating system is to pass through compression
Air realizes the damping of spring, once booster, gas leakage, vehicle just can not normal use.Since gas is by temperature
Transformation influence is very big, and different environment temperatures will affect pneumatic chassis regulating system.When encountering bumpy road, approximate saw is formed
The triangular wave of tooth form, 1, since air compression plus the damping of vehicle itself increases damping stroke substantially, it causes to shake up and down
The 2, air that jolts compression, be similar to air spring, but air spring be it is nonlinear, stability is poor, exacerbates sense of jolting.
3, air compression ratio is big, and pressure is big, once leakage, moment is just released, and chassis is caused directly to fall, and approximate vehicle is blown out effect
Fruit is easy to cause vehicle damage even car accident and personal injury.
When encountering bumpy road, approximate zigzag triangular wave is formed, 1, since air compression is plus vehicle itself
Damping increases damping stroke substantially, causes to shake up and down and jolt.2, air compresses, and is similar to air spring, but air bullet
Spring be it is nonlinear, stability is poor, exacerbates sense of jolting.3, air compression ratio is big, and pressure is big, once leakage, moment are just released
It puts, chassis is caused quickly directly to fall, approximate vehicle is blown out effect, is easy to cause vehicle damage even car accident and person wound
Evil.
Utility model content
The purpose of this utility model is to provide a kind of chassis elevating device for vehicle, it can well solve and be difficult to steadily adjust
The problem of saving automobile chassis lifting.
To achieve the goals above, the utility model provides following technical scheme:
The utility model provides a kind of chassis elevating device for vehicle, including at least two front-wheel vibration absorption unit and at least two
A rear wheel shock-absorbing unit, front-wheel vibration absorption unit and rear wheel shock-absorbing unit are respectively arranged on vehicle wheel suspension to buffer to vehicle
The impact and shock effect of body；Front-wheel vibration absorption unit includes preceding damping spring, preceding hydraulic regulation seat and cooperates with preceding damping spring
Front damper, preceding hydraulic regulation seat is set to preceding damping spring lower end, with the height of damping spring before supporting and adjusting；Rear-wheel
Vibration absorption unit includes rear damping spring, rear hydraulic regulation seat and the rear shock absorber with the cooperation of rear damping spring, rear hydraulic regulation seat
It is set to rear damping spring lower end, with the height of damping spring after supporting and adjusting；Wherein, the preceding hydraulic regulation seat and rear liquid
Pressure adjustment seat is controlled by elevating control unit, and the elevating control mode of elevating control unit is as follows:
When certain one side front-wheel sink or raises up, the preceding hydraulic regulation seat lifting of the side front-wheel is controlled, this is raised and lowered
The height of the preceding damping spring on side realizes the lift adjustment to the height on the side-car body chassis；
When certain one side rear-wheel sink or raises up, the rear hydraulic regulation seat lifting of the side rear-wheel is controlled, this is raised and lowered
The height of the rear damping spring on side realizes the lift adjustment to the height on the side-car body chassis；
When body structure needs are raised or forced down, the preceding hydraulic regulation seat lifting of front-wheel is controlled, is subtracted before being raised and lowered
The height of spring is shaken, realizes the lift adjustment to the height on body structure chassis；
When body rear end needs are raised or forced down, the rear hydraulic regulation seat lifting of rear-wheel is controlled, is subtracted after being raised and lowered
The height of spring is shaken, realizes the lift adjustment to the height on body rear end chassis；
When vehicle body side needs to raise or force down, the preceding hydraulic regulation seat and rear hydraulic regulation seat for controlling the side vehicle body are risen
The preceding damping spring of the side vehicle body and the height of rear damping spring is raised and lowered in drop, realizes the height to vehicle body side chassis
Lift adjustment.
As an option, front damper upper end is provided with preceding damping spring, and front damper lower end is provided with pillar, preceding hydraulic
Before adjustment seat is set between damping spring and pillar, with the distance between damping spring and pillar before adjusting, realization is to preceding subtracting
Shake the adjusting of spring heights.
Preceding hydraulic regulation seat include upper bracket, undersetting and at least two preceding hydraulic cylinder, preceding hydraulic cylinder include preceding cylinder barrel,
Front end housing, secondary piston and secondary piston bar, secondary piston are set in secondary piston bar first end, and secondary piston bar second end is fixedly installed on
Have on upper bracket, at the top of front end housing along side structure, front end housing is locked along side and is set between upper bracket and undersetting.
Wherein, upper bracket center is provided with first through hole, and undersetting center is provided with the second through-hole, and first is logical
It is provided with front damper in hole and the second through-hole, third through-hole, quantity and the hydraulic cylinder phase of third through-hole are provided on upper bracket
Together, at least two third through-hole is uniformly distributed in first through hole periphery, and secondary piston bar second end radial contraction is to be inserted in third
In through-hole, secondary piston bar second end end and nut thread are connected and fixed on upper bracket third through-hole position, corresponding on undersetting
Third through-hole position is provided with fourth hole, fourth hole and the cooperation of preceding cylinder barrel are set with, and upper bracket is by nearby damping spring end
The groove of annular is provided with to place preceding damping spring, undersetting is provided with the opening of annular close to post ends around the second through-hole
To place pillar, secondary piston bar second end is connected with hydraulic fitting, to be connected to the hydraulic pump of preceding hydraulic cylinder through hydraulic tube, with
The distance between damping spring and pillar before adjusting.
As an option, rear shock absorber and rear damping spring are provided separately, and rear hydraulic regulation seat is set to rear damping spring
Underface, with the height of damping spring after adjusting.
Hydraulic regulation seat includes rear hydraulic cylinder, flange and support afterwards, and rear hydraulic cylinder includes rear cylinder barrel, back cylinder cover, rear piston
With rear piston rod, rear piston is set on rear piston rod first end, and rear piston rod second end is set on support, and support one end is set
Thread groove is equipped with to be threadedly coupled with rear piston rod second end, rear cylinder barrel open end outer wall is threadedly coupled with flange, is set on flange
There is rear damping spring, rear cylinder barrel closed end is placed in rear damping spring, and the connection of connection thread groove is provided on support outer wall
Hole is provided with hydraulic fitting on support outer wall intercommunicating pore, with the hydraulic pump of the hydraulic cylinder after hydraulic tube is connected to, to adjust
The height of damping spring afterwards.
As an option, elevating control unit includes that master controller and the vehicle body sensor connecting with master controller detection are single
Member, at least four solenoid valve, hydraulic pump control module and the power module of power supply；At least four solenoid valve is respectively configured
In in each front-wheel vibration absorption unit and rear wheel shock-absorbing unit with the hydraulic of be turned on or off corresponding preceding hydraulic cylinder or rear hydraulic cylinder
Pipeline；Hydraulic pump control module is connected to the start and stop that hydraulic pump is controlled on the electric power loop of hydraulic pump, and hydraulic pump passes through hydraulic tube
It is connected respectively with each fluid pressure line；Vehicle body sensor detection unit detects front-wheel vibration absorption unit and rear wheel shock-absorbing cell position bottom
The relative altitude information and/or chassis inclination information of disk and ground, and it is sent to master controller；Master controller receives vehicle body and passes
The detection information of sensor detection unit is simultaneously handled, when a certain position in chassis needs to raise or force down, master controller output
Fluid pressure line is connected to the solenoid valve of the position for control instruction, while exporting control instruction to hydraulic pump control module and starting liquid
Press pump is pressurized or is depressured to the fluid pressure line, realizes the lift adjustment to the height on chassis.
Wherein, the elevating control unit is additionally provided with data transmission module, to connect mobile terminal app, to be gone up and down
Control.
As an option, hydraulic fitting internal diameter be in the small structure in the big one end in one end, hydraulic fitting internal diameter to small end it is straight
Diameter is not more than 2mm.
Compared with prior art, the utility model has the advantage that
A kind of chassis elevating device for vehicle of the utility model lifts front and back wheel chassis based on hydraulic regulator
Height forces down adjusting, can steadily adjust chassis, uneven vehicle body is adjusted to equilibrium state, can also be adjusted to imbalance in advance
State is so that vehicle body passes through tilted road surface with equilibrium state.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Detailed description of the invention
Fig. 1 is the system block diagram of the embodiments of the present invention；
Fig. 2 is the preceding vibration absorption unit structural schematic diagram of the embodiments of the present invention；
Fig. 3 is the preceding hydraulic regulation holder structure schematic diagram of the embodiments of the present invention；
Fig. 4 is that the structure of the preceding hydraulic cylinder of the embodiments of the present invention is intended to；
Fig. 5 is the upper bracket and its AA schematic cross-sectional view of the embodiments of the present invention；
Fig. 6 is the undersetting and its BB schematic cross-sectional view of the embodiments of the present invention；
Fig. 7 is the preceding vibration absorption unit scheme of installation of the embodiments of the present invention；
Fig. 8 is the rear vibration absorption unit structural schematic diagram of the embodiments of the present invention；
Fig. 9 is the rear hydraulic regulation holder structure schematic diagram of the embodiments of the present invention；
Figure 10 is the rear vibration absorption unit scheme of installation of the embodiments of the present invention；
Figure 11 is the hydraulic fitting structural schematic diagram of the embodiments of the present invention.
Specific embodiment
The embodiments of the present invention are illustrated below in conjunction with attached drawing, it should be understood that embodiment described herein
It is only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment
As shown in figs. 1-11, a kind of chassis elevating device for vehicle provided in this embodiment, the front-wheel including at least two subtract
The rear wheel shock-absorbing unit of unit and at least two is shaken, it is outstanding that front-wheel vibration absorption unit and rear wheel shock-absorbing unit are respectively arranged in automotive wheel
The impact and shock effect to vehicle body are buffered on frame；Front-wheel vibration absorption unit include preceding damping spring, preceding hydraulic regulation seat and with
The front damper of preceding damping spring cooperation, preceding hydraulic regulation seat is set to preceding damping spring lower end, to support and adjust preceding damping
The height of spring；Rear wheel shock-absorbing unit includes rear damping spring, rear hydraulic regulation seat and the rear damping with the cooperation of rear damping spring
Device, rear hydraulic regulation seat are set to rear damping spring lower end, with the height of damping spring after supporting and adjusting；Wherein, before described
Hydraulic regulation seat and rear hydraulic regulation seat are controlled by elevating control unit.
As an option, 11 upper end of front damper is provided with preceding damping spring 12, and 11 lower end of front damper is provided with pillar
101, before preceding hydraulic regulation seat is set between damping spring 12 and pillar 101, to adjust preceding damping spring 12 and pillar
The distance between 101, realize the adjusting to preceding damping spring height.
Preceding hydraulic regulation seat includes the preceding hydraulic cylinder 13 of upper bracket 14, undersetting 15 and at least two, and preceding hydraulic cylinder 13 is used
In adjusting the distance between upper bracket 14 and undersetting 15, to adjust preceding the distance between damping spring 12 and pillar 101.
Preceding hydraulic cylinder 13 includes preceding cylinder barrel 32, front end housing 33, secondary piston 34 and secondary piston bar 31, before secondary piston 34 is set to
In 31 first end of piston rod, 31 second end of secondary piston bar is fixedly installed on undersetting 15, is had at the top of front end housing 33 and is tied along side
Structure, front end housing are locked along side and are set between upper bracket 14 and undersetting 15.
14 center of upper bracket is provided with first through hole 43, and 15 center of undersetting is provided with the second through-hole 52, the
Front damper 11 is provided in one through-hole 43 and the second through-hole 52；Third through-hole 41, third through-hole 41 are provided on upper bracket 14
Quantity it is identical as hydraulic cylinder, at least two third through-hole is uniformly distributed in first through hole periphery；Secondary piston bar second end diameter
To shrinking to be set in third through-hole, secondary piston bar second end end and nut thread are connected and fixed on upper bracket third through-hole
Position；41 position of third through-hole is provided with fourth hole 51 on undersetting 15, the identical with third through-hole quantity the 4th
Through-hole is uniformly distributed in the second through-hole periphery, and fourth hole 51 and the cooperation of preceding cylinder barrel 32 are set with, front end housing 33 along hem width degree ratio
The internal diameter of fourth hole 51 is big, is set between upper bracket 14 and undersetting 15 so that it be made to be locked.
Upper bracket 14 is provided with the groove 42 of annular by nearby damping spring end to place preceding damping spring 12, undersetting 15
The opening of annular is provided with to place pillar 101 around the second through-hole 52 close to post ends.Secondary piston bar second end is connected with liquid
Pressure pipe joint 71, to be connected to the hydraulic pump of preceding hydraulic cylinder through hydraulic tube, to adjust preceding the distance between damping spring and pillar.
Before preceding hydraulic regulation seat the quantity of hydraulic cylinder 13 at least there are two, be illustrated for two, two preceding liquid
Cylinder pressure is symmetrically set in front damper side, and adjustable vehicle body, can be in original height at a distance from wheel
Chassis is raised and lowered, increases chassis, increases passability, lowers chassis, increases vehicle body stability, to adapt to different road surfaces,
Vehicle safety is provided.Certainly, a preceding hydraulic cylinder can also be only included in preceding hydraulic regulation seat, at this point, the preceding hydraulic cylinder exists
The end extending direction of front damper forms lifting space, since preceding hydraulic cylinder occupies front damper short transverse position,
In the case of original height, it is difficult to further decrease chassis.
The front-wheel vibration absorption unit is mounted to the preceding shock-damping structure 83 on vehicle front, is installed by the pillar 101 of lower end
On 81 wheel hub of front axle 82 and front vehicle wheel, it is connected on vehicle frame (vehicle body) front end 84 by the connector 102 of upper end, referring to figure
7。
As an option, rear shock absorber 95 and rear damping spring 21 are provided separately, and rear hydraulic regulation seat is set to rear damping
Immediately below spring 21, with the height of damping spring 21 after adjusting.
Hydraulic regulation seat includes rear hydraulic cylinder, flange 23 and support 24 afterwards, and rear hydraulic cylinder is set to rear 21 He of damping spring
Between support 24, the height of rear hydraulic cylinder damping spring 21 by damping spring 21 after the support of flange 23 and after adjusting.
Hydraulic cylinder includes rear cylinder barrel 22, back cylinder cover 27, rear piston 26 and rear piston rod 25 afterwards, and rear piston 26 is living after being set to
In 25 first end of stopper rod, rear 25 first end of piston rod is placed in rear cylinder barrel 22, and rear 25 second end of piston rod is set on support 24,
Internal screw thread is arranged to be threadedly coupled with back cylinder cover 27 in 22 open end inner wall of cylinder barrel afterwards, and rear damping spring 21 is equipped on flange 23, after
External screw thread is arranged to be threadedly coupled with flange 23 in 22 open end outer wall of cylinder barrel, and rear 22 closed end of cylinder barrel is placed in rear damping spring 21
It is interior.
Support 24 is provided with thread groove close to rear damping spring end, to be threadedly coupled with rear 25 second end of piston rod.Support
It is provided with the intercommunicating pore of connection thread groove on 24 lateral walls, hydraulic fitting 71 is connected on support outer wall intercommunicating pore to connect
To hydraulic pipeline, with the hydraulic pump of the hydraulic cylinder after infusion channel built in intercommunicating pore, thread groove and piston rod is connected to, cylinder backward
Conveying liquid are in cylinder 22 with the height of damping spring after adjusting.
Referring to Figure 10, which is mounted to the rear shock-damping structure 93 on automobile back wheel, by being in lower part
Support 24 be mounted in the rear axle 92 of automobile rear wheel 91, in vehicle frame (vehicle body) is connected with behind top on damping spring 21
On rear end 94.
Hydraulic cylinder can rise under support and the cooperation of rear damping spring in original height after the rear wheel shock-absorbing unit
High or reduction chassis, increases chassis, increases passability, lower chassis, increase vehicle body stability, adapt to different road surfaces, provide
Vehicle safety.
As an option, elevating control unit includes that master controller and the vehicle body sensor connecting with master controller detection are single
Member, at least four solenoid valve, hydraulic pump control module and the power module of power supply (for master controller, sensor, electromagnetism
The power supply such as valve, hydraulic pump control module and hydraulic pump)；At least four solenoid valve be respectively arranged at each front-wheel vibration absorption unit and
With fluid pressure line (each front-wheel vibration absorption unit of be turned on or off corresponding preceding hydraulic cylinder or rear hydraulic cylinder in rear wheel shock-absorbing unit
Solenoid valve is each equipped with the fluid pressure line for the corresponding preceding hydraulic cylinder that is turned on or off, each rear wheel shock-absorbing unit is each equipped with electricity
Magnet valve is with the fluid pressure line for the corresponding rear hydraulic cylinder that is turned on or off)；The power supply that hydraulic pump control module is connected to hydraulic pump returns
Road controls the start and stop of hydraulic pump, and hydraulic pump is connected with each fluid pressure line respectively by hydraulic tube；The detection of vehicle body sensor is single
Member detection front-wheel vibration absorption unit and the relative altitude information and/or chassis gradient on rear wheel shock-absorbing cell position chassis and ground are believed
Breath, and it is sent to master controller；Master controller receives the detection information of vehicle body sensor detection unit and is handled, and works as chassis
When a certain position needs to raise or force down, master controller exports the solenoid valve of control instruction to the position so that fluid pressure line is connected,
Control instruction to hydraulic pump control module starting hydraulic pump is exported simultaneously the fluid pressure line is pressurized or is depressured, realize the bottom of to
The lift adjustment of the height of disk.
Vehicle body sensor detection unit includes range sensor detection module and inclination sensor detection module；Distance passes
Sensor detection module can be infrared distance sensor or ultrasonic distance sensor, be used to measurement sensor (i.e. vehicle) and ground
The distance in face；Gradient sensor detection module can be common angular transducer, for measuring vehicle relative to level
The tilt angle on ground.
Certainly, in elevating control unit, it may also set up display screen connection master controller to show the relevant informations such as height；?
It is settable wired or be wirelessly connected module master controller is connected to the mobile terminals such as mobile phone, tablet computer or other single-chip microcontrollers are shown
Show and controller is gone up and down by wifi, bluetooth, 4G, 5G signal transmitted data by the control of the clients such as mobile phone app.
In the chassis lifting device, front-wheel vibration absorption unit is installed on front wheel suspension, and rear wheel shock-absorbing unit is installed on rear-wheel
On suspension, a separate valve (solenoid valve) is respectively set in the hydraulic pipeline of each vibration absorption unit, can be every by individually controlling
A valve, hydraulic cylinder (the preceding hydraulic cylinder and rear hydraulic cylinder) infusion of each vibration absorption unit (front-wheel vibration absorption unit and rear wheel shock-absorbing unit)
Channel is connected to hydraulic pump by valve and hydraulic tube after hydraulic tube converges and liquid storage cabinet (is also possible to front-wheel vibration absorption unit
Preceding hydraulic cylinder is connected to a hydraulic pump and liquid storage cabinet, and after rear-wheel vibration absorption unit hydraulic cylinder be connected to another hydraulic pump and
Liquid storage cabinet).The vehicle body sensor detection unit detection car body balance information being coupled with each vibration absorption unit, master controller
Car body balance information is received simultaneously to handle, the vibration absorption unit gone up and down that needs backward sequentially or simultaneously export control instruction, control liquid
Press pump and valve and height through the vehicle frame above each vibration absorption unit of hydraulic cylinder independent control, and then car body balance is kept, with
And Tai Gao or force down one side of vehicle body with adapt to do not have to application scenarios.Wherein, specific elevating control application model is as follows:
When certain one side front-wheel sink or raises up, the preceding hydraulic regulation seat lifting of the side front-wheel is controlled, this is raised and lowered
The height of the preceding damping spring on side realizes the lift adjustment to the height on the side-car body chassis；Such as, the near front wheel is fallen into hole, vehicle
Body tilts down even chassis to the near front wheel direction and contacts to earth, and vehicle body is in non-equilibrium state, controls preceding hydraulic tune thereon at this time
Seat is saved, chassis is increased, adjusts vehicle body center of gravity and line of gravity, so that car body balance, to output tunnel；Such as, the near front wheel stops
On highland, vehicle body tilts upwards to the near front wheel direction, and vehicle body is in non-equilibrium state, controls preceding hydraulic regulation thereon at this time
Seat reduces chassis, vehicle body center of gravity and line of gravity is adjusted, so that car body balance.
When certain one side rear-wheel sink or raises up, the rear hydraulic regulation seat lifting of the side rear-wheel is controlled, this is raised and lowered
The height of the rear damping spring on side realizes the lift adjustment to the height on the side-car body chassis；Before specific example explanation can be found in
State front-wheel application example.
When body structure needs are raised or forced down, the preceding hydraulic regulation seat lifting of front-wheel is controlled, is subtracted before being raised and lowered
The height of spring is shaken, realizes the lift adjustment to the height on body structure chassis；Such as, body structure is fallen into hole, and vehicle body is forward
Extreme direction tilts down even chassis and contacts to earth, and vehicle body is in non-equilibrium state, and body structure load-carrying is big, before controlling thereon at this time
Hydraulic regulation seat increases chassis, adjusts vehicle body center of gravity and line of gravity, so that car body balance, to output tunnel；Such as, vehicle
Body front end is parked on highland, and extreme direction tilts vehicle body upwards forward, and vehicle body is in non-equilibrium state, and body rear end load-carrying is big, this
When control rear hydraulic regulation seat thereon, reduce chassis, vehicle body center of gravity and line of gravity adjusted, so that car body balance.
When body rear end needs are raised or forced down, the rear hydraulic regulation seat lifting of rear-wheel is controlled, is subtracted after being raised and lowered
The height of spring is shaken, realizes the lift adjustment to the height on body rear end chassis；Specific example illustrates referring to aforementioned body structure
Application example.
When vehicle body side needs to raise or force down, the preceding hydraulic regulation seat and rear hydraulic regulation seat for controlling the side vehicle body are risen
The preceding damping spring of the side vehicle body and the height of rear damping spring is raised and lowered in drop, realizes the height to vehicle body side chassis
Lift adjustment；Such as, it is parked in highland road surface on the left of vehicle body, vehicle body rolls tiltedly backward, and vehicle body is in non-equilibrium state, controls at this time
The preceding hydraulic regulation seat and rear hydraulic regulation seat in left side reduce left side chassis, vehicle body center of gravity and line of gravity are adjusted, so that vehicle
Body balance；Such as, it is parked in low-lying road surface on the left of vehicle body, vehicle body tilts to the left, and vehicle body is in non-equilibrium state, at this time control left side
Preceding hydraulic regulation seat and rear hydraulic regulation seat, increase left side chassis, adjust vehicle body center of gravity and line of gravity, so that vehicle body is flat
Weighing apparatus；Such as, vehicle body will tilt down section by the left side (the direction of advance left side), and vehicle body will be in non-equilibrium state till that time, this
Shi Kexian will be increased on the left of vehicle body or will be reduced on the right side of vehicle body, so that vehicle body is first in non-equilibrium state, then rebalancing is passed through
The left side tilts down section；Such as, vehicle will turn left detour section (direction of advance is turned left curved) by camber is big, since centrifugal force acts on
Out-shift of gravity center, vehicle body tilt (load-carrying is big on the right side of vehicle body, forces down on the right side of vehicle body) outward, are easy to send out when especially speed is excessive
Make trouble therefore, first will reduce on the left of vehicle body or will be increased on the right side of vehicle body at this time so that vehicle body center of gravity and line of gravity are biased to left side,
When turning left curved, center of gravity is moved to right, and just makes car body balance, is conducive to steady turn round.Geological disaster, road occurs especially for China
There is inclined state and adjusts unilateral two-wheeled valve regulated for tilted road surface in road, and vehicle body is first made to be in non-equilibrium state, when
When reaching tilted road surface, vehicle body is in a basic balance, safe can pass through.
The lifting device had not only realized chassis lifting, but also can remain the existing good damping of former vehicle.And liquid can not press
Contracting, is completed once adjusting, and chassis height just secures；Unstable shape will not be in always such as pneumatic chassis regulating system, chassis
State.And front and back four-wheel is adjusted simultaneously, and it is convenient, simple, it can be switched over rapidly under different road conditions；It can front and back two-wheeled
It individually adjusts, e.g., under vehicle body full load conditions, rear-wheel adjusts height, keeps car body balance, prevents nose or other situations from influencing row
Vehicle safety；Unilateral two-wheeled valve regulated can also be adjusted for tilted road surface, first made vehicle body be in non-equilibrium state, worked as arrival
When tilted road surface, vehicle body is in a basic balance；And single-wheel adjusts single-wheel and falls into potted road surface, increases contact surface, vehicle can be from traveling
Out.
Preceding vibration absorption unit is identical with the hydraulic fitting structure of rear vibration absorption unit, to produce and to safeguard.As an option,
Referring to Figure 11,71 internal diameter of hydraulic fitting is in the small structure in the big one end in one end, and hydraulic fitting internal diameter to small end is threadedly
Increase sealing ring to be threadedly coupled with piston rod second end, and hydraulic fitting internal diameter to big end is connected to pipeline；In case of quick-fried
Pipe, hydraulic oil are slowly flowed out from small end (internal diameter to small end), and due to hydraulic oil viscosity with higher itself, and small end port is straight
Diameter a is set smaller than equal to 2mm, and hydraulic oil is slowly flowed out from hydraulic cylinder, and the chassis height that not will cause vehicle moment becomes
It changes, ensure that traffic safety.
Certainly, front-wheel vibration absorption unit and rear wheel shock-absorbing unit are subtracting with general vehicle front and rear-wheel in above-described embodiment
Shake structure is illustrated, and is also possible on front-wheel also using shock-damping structure identical with above-mentioned rear wheel shock-absorbing unit, can also be with
It is on rear-wheel also using shock-damping structure identical with above-mentioned front-wheel vibration absorption unit.
It should be appreciated that the utility model above-described embodiment and example, is not intended to limit for description and interpretation purpose
The scope of the utility model.The scope of the utility model is defined by claim, rather than is determined by above-described embodiment and example
Justice.
Claims (9)
1. a kind of chassis elevating device for vehicle, including at least two front-wheel vibration absorption unit and at least two rear wheel shock-absorbing list
Member, the front-wheel vibration absorption unit and rear wheel shock-absorbing unit be respectively arranged on vehicle wheel suspension to buffer to the impact of vehicle body and
Shock effect；It is characterized in that,
The front-wheel vibration absorption unit include preceding damping spring, preceding hydraulic regulation seat and with preceding damping spring cooperation front damper,
The preceding hydraulic regulation seat is set to preceding damping spring lower end, to support and adjust the height of preceding damping spring；
The rear wheel shock-absorbing unit include rear damping spring, rear hydraulic regulation seat and with rear damping spring cooperation rear shock absorber,
Hydraulic regulation seat is set to rear damping spring lower end after described, with the height of damping spring after supporting and adjusting；
Wherein, the preceding hydraulic regulation seat and rear hydraulic regulation seat are controlled by elevating control unit, the liter of elevating control unit
It is as follows that control model drops:
When certain one side front-wheel sink or raises up, the preceding hydraulic regulation seat lifting of the side front-wheel is controlled, the side is raised and lowered
The height of preceding damping spring realizes the lift adjustment to the height on the side-car body chassis；
When certain one side rear-wheel sink or raises up, the rear hydraulic regulation seat lifting of the side rear-wheel is controlled, the side is raised and lowered
The height of damping spring afterwards realizes the lift adjustment to the height on the side-car body chassis；
When body structure needs are raised or forced down, the preceding hydraulic regulation seat lifting of front-wheel, damping bullet before being raised and lowered are controlled
The height of spring realizes the lift adjustment to the height on body structure chassis；
When body rear end needs are raised or forced down, the rear hydraulic regulation seat lifting of rear-wheel is controlled, rear damping bullet is raised and lowered
The height of spring realizes the lift adjustment to the height on body rear end chassis；
When vehicle body side needs to raise or force down, preceding hydraulic regulation seat and the lifting of rear hydraulic regulation seat of the side vehicle body are controlled,
The preceding damping spring of the side vehicle body and the height of rear damping spring is raised and lowered, realizes the liter to the height on vehicle body side chassis
Falling tone section.
2. a kind of chassis elevating device for vehicle according to claim 1, which is characterized in that the front damper upper end is provided with
Preceding damping spring, front damper lower end is provided with pillar, before preceding hydraulic regulation seat is set between damping spring and pillar, to adjust
The distance between damping spring and pillar before saving realize the adjusting to preceding damping spring height.
3. a kind of chassis elevating device for vehicle according to claim 2, which is characterized in that the preceding hydraulic regulation seat includes upper
Support, undersetting and at least two preceding hydraulic cylinder, preceding hydraulic cylinder includes preceding cylinder barrel, front end housing, secondary piston and secondary piston bar, preceding
Piston is set in secondary piston bar first end, and secondary piston bar second end is fixedly installed on upper bracket, has edge at the top of front end housing
Side structure, front end housing are locked along side and are set between upper bracket and undersetting.
4. a kind of chassis elevating device for vehicle according to claim 3, which is characterized in that in the preceding hydraulic regulation seat, on
Support center is provided with first through hole, and undersetting center is provided with the second through-hole, in first through hole and the second through-hole
It is provided with front damper, third through-hole is provided on upper bracket, the quantity of third through-hole is identical as preceding hydraulic cylinder, at least two
Third through-hole is uniformly distributed in first through hole periphery, and secondary piston bar second end radial contraction is to be inserted in third through-hole, secondary piston
Bar second end end and nut thread are connected and fixed on upper bracket third through-hole position, correspond to third through-hole position on undersetting
It is provided with fourth hole, fourth hole and the cooperation of preceding cylinder barrel are set with, and upper bracket is provided with the recessed of annular by nearby damping spring end
For slot to place preceding damping spring, undersetting is provided with the opening of annular around the second through-hole close to post ends to place pillar, preceding
Piston rod second end is connected with hydraulic fitting, to be connected to the hydraulic pump of preceding hydraulic cylinder through hydraulic tube, to adjust preceding damping bullet
The distance between spring and pillar.
5. a kind of chassis elevating device for vehicle according to claim 1, which is characterized in that the rear shock absorber and rear damping bullet
Spring is provided separately, and rear hydraulic regulation seat is set to immediately below rear damping spring, with the height of damping spring after adjusting.
6. a kind of chassis elevating device for vehicle according to claim 5, which is characterized in that after hydraulic regulation seat includes after described
Hydraulic cylinder, flange and support, rear hydraulic cylinder include rear cylinder barrel, back cylinder cover, rear piston and rear piston rod, and rear piston is living after being set to
In stopper rod first end, rear piston rod second end is set on support, support one end be provided with thread groove with rear piston rod second
End is threadedly coupled, and rear cylinder barrel open end outer wall is threadedly coupled with flange, rear damping spring is equipped on flange, rear cylinder barrel closed end is set
It is provided on the intercommunicating pore in rear damping spring, being provided with connection thread groove on support outer wall, support outer wall intercommunicating pore
Hydraulic fitting, with the hydraulic pump of the hydraulic cylinder after hydraulic tube is connected to, with the height of damping spring after adjusting.
7. according to a kind of chassis elevating device for vehicle of claim 4 or 6, which is characterized in that the elevating control unit packet
Include master controller and connect with master controller vehicle body sensor detection unit, at least four solenoid valve, hydraulic pump control mould
Block and the power module of power supply；At least four solenoid valve is respectively arranged at each front-wheel vibration absorption unit and rear wheel shock-absorbing unit
The interior fluid pressure line be turned on or off corresponding preceding hydraulic cylinder or rear hydraulic cylinder；Hydraulic pump control module is connected to hydraulic pump
The start and stop of hydraulic pump are controlled on electric power loop, hydraulic pump is connected with each fluid pressure line respectively by hydraulic tube；Vehicle body sensor
Detection unit detection front-wheel vibration absorption unit and the relative altitude information and/or chassis on rear wheel shock-absorbing cell position chassis and ground are inclined
Slope information, and it is sent to master controller；Master controller receives the detection information of vehicle body sensor detection unit and is handled,
When a certain position in chassis needs to raise or force down, master controller output control instruction is connected hydraulic to the solenoid valve of the position
Pipeline, while exporting control instruction to hydraulic pump control module starting hydraulic pump and the fluid pressure line is pressurized or is depressured, it is real
Now to the lift adjustment of the height on chassis.
8. a kind of chassis elevating device for vehicle according to claim 7, which is characterized in that the elevating control unit is also set up
There is data transmission module, to connect mobile terminal app, to carry out elevating control.
9. according to a kind of chassis elevating device for vehicle of claim 4 or 6, which is characterized in that the hydraulic fitting internal diameter
In the small structure in the big one end in one end, the diameter of hydraulic fitting internal diameter to small end is not more than 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820506409.4U CN208198035U (en) | 2018-04-10 | 2018-04-10 | A kind of chassis elevating device for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820506409.4U CN208198035U (en) | 2018-04-10 | 2018-04-10 | A kind of chassis elevating device for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208198035U true CN208198035U (en) | 2018-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820506409.4U Expired - Fee Related CN208198035U (en) | 2018-04-10 | 2018-04-10 | A kind of chassis elevating device for vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN208198035U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108312801A (en) * | 2018-04-10 | 2018-07-24 | 叶能 | A kind of chassis elevating device for vehicle |
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2018
- 2018-04-10 CN CN201820506409.4U patent/CN208198035U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108312801A (en) * | 2018-04-10 | 2018-07-24 | 叶能 | A kind of chassis elevating device for vehicle |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 Termination date: 20190410 |
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| CF01 | Termination of patent right due to non-payment of annual fee |