CN107152484A - Intelligent damping device - Google Patents
Intelligent damping device Download PDFInfo
- Publication number
- CN107152484A CN107152484A CN201710367222.0A CN201710367222A CN107152484A CN 107152484 A CN107152484 A CN 107152484A CN 201710367222 A CN201710367222 A CN 201710367222A CN 107152484 A CN107152484 A CN 107152484A
- Authority
- CN
- China
- Prior art keywords
- magnetic strength
- strength element
- cylinder
- magnetic
- probe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3264—Arrangements for indicating, e.g. fluid level; Arrangements for checking dampers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3292—Sensor arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The present invention relates to a kind of intelligent damping device, including damper and the spring being enclosed on damper, damper includes piston rod and cylinder, also include lifting assembly, magnetic strength component and controller, lifting assembly is set on cylinder and coordinated with the lower end of spring, magnetic strength component includes probe, magnetic strength element and magnetic element, probe pin upper ends are connected with piston rod, magnetic element and magnetic strength element are separately positioned on probe and cylinder, controller is connected with magnetic strength element and lifting assembly, the position that controller passes through magnetic strength element senses magnetic element, control lifting assembly is lifted, adjust the precompression of spring, the precompression of spring is set to be matched with actual loading.This damper can the pressure that is carried immediately of automatic identification, according to instant load, adjust automatically precompression makes spring be in optimal precompressed scope all the time, advantageously reduces the coefficient of elasticity of the shock absorbing resilient of damper, meets the comfort level requirement under different loading conditions.
Description
Technical field
The present invention relates to a kind of damper, more particularly, to a kind of damper with adjust automatically precompression.
Background technology
Damper is changed brought impact and vibrations by speed, load and various road conditions because that can decay rapidly, so
Generally used on the vehicles.Conventional shock absorber includes the damper rod being made up of piston, piston rod and the bullet being enclosed on damper rod
Spring.The comfortableness of damper is directly related with the coefficient of elasticity of spring and precompression, under identical damping stroke, the bullet of spring
Property coefficient is bigger (showing as partially hard), and comfortableness is poorer, and the difference of the maximum load that can be born and minimum load-carrying is bigger；Spring
Coefficient of elasticity is smaller, and comfortableness is better, but the maximum load that can be born and the difference of minimum load-carrying are smaller.Precompression is with presetting
Optimal load-carrying is related, and optimal load-carrying is bigger, the precompression of spring be also required to it is bigger, when actual load-carrying is much larger than optimal load-carrying,
The damping stroke of damper will be made not enough, comfortableness is influenceed；And when actual load-carrying is much smaller than optimal load-carrying, damper
Damping rate is small (showing as partially hard), also has considerable influence to comfortableness.
But in actual use, the vehicles generally existing such as cart, tricycle, carriage load-carrying change asking greatly
Topic, carries 1 people, 2 people is carried sometimes, 5 people are carried sometimes, sometimes loading, minimum load-carrying is not fixed with maximum load sometimes, and difference is big, nothing
Method accurately selects suitable precompression.Therefore, way general in the prior art is from the big spring of coefficient of elasticity, sacrifice
Comfortableness.
Chinese invention patent (notification number：CN104879430B) disclose a kind of with intelligent adjust automatically precompression function
Damper, by setting lifting seat and regulation gear to adjust the precompression of damping spring on damper, its tune used
Regulating device includes main rack, position retaining plate, dials retaining device and dials gear transmission mechanism, present invention employs another scheme, by inciting somebody to action
The signal that Hall sensor is detected is sent to controller, so as to control the lifting of lifting seat, adjusts spring precompressed.
The content of the invention
The technical problem to be solved in the present invention is：There is provided it is a kind of can be according to the damper of load-carrying adjust automatically precompression.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of intelligent damping device, including damper and the spring being enclosed on damper, damper include piston rod and cylinder,
The upper end of spring coordinates with piston rod, and lower end coordinates with cylinder, in addition to lifting assembly, magnetic strength component and controller；Lifting group
Part is set on cylinder and coordinated with the lower end of spring, by the elevating movement of lifting assembly, adjusts the precompression of spring；Magnetic strength
Component includes probe, magnetic strength element and magnetic element, and probe pin upper ends are connected with piston rod, and probe body is parallel with piston rod sets
Put, magnetic element and magnetic strength element are separately positioned on probe and cylinder；Controller is connected with magnetic strength element and lifting assembly, control
Device processed is by the position of magnetic strength element senses magnetic element, and when deviateing predeterminated position in the position of magnetic element, control lifting
Component is lifted, and is adjusted the precompression of spring, the precompression of spring is matched with actual loading.
Further, the quantity of magnetic strength element is more than one, and each other along the axial word order of cylinder.
In order that predeterminated position is more accurate, it is to avoid error, further limit, the quantity of magnetic strength element is two, is respectively
Upper magnetic strength element and lower magnetic strength element, upper magnetic strength element and lower magnetic strength element are arranged on cylinder, and magnetic element is arranged on probe
On, when the position of magnetic element is in predeterminated position, upper magnetic strength element and lower magnetic strength element can sense magnetic member simultaneously
The magnetic field of part.
In order that lifting assembly is moved in the range of cylinder, prevent it from departing from cylinder, further limit, in addition to limit
Hyte part, limit assembly control lifting assembly is lifted in the scope of subject of cylinder.
Further, in addition to limit assembly, limit assembly includes lower limit part, and lower limit part is located at the bottom of cylinder.
When lifting assembly drops to the bottom of cylinder, turned back after the stop by lower limit part upwards.
Further, in addition to limit assembly, limit assembly includes lower limit magnetic strength element and lower limit magnetic element, under
Spacing magnetic strength element is fixed on lifting assembly, and lower limit magnetic element is fixed on cylinder bottom, controller and lower limit magnetic strength member
Part is connected, and controller is at magnetic field of the lower limit magnetic strength element senses to lower limit magnetic element, under control lifting assembly stops
Drop and rise.
Further, lifting assembly includes damper gear, lifting seat, motor and transmission mechanism, damper gear and lifting seat
It is set on cylinder, damper gear coordinates with cylinder screw, motor and transmission mechanism are installed by lifting seat, and motor passes through
Transmission mechanism drives damper gear, controls the lifting of lifting seat.
Drive lifting seat to rotate when being rotated in order to avoid damper gear, further limit, lifting seat with having respectively on cylinder
There are the rotary stopper part and stopper slot for preventing that lifting seat from rotating relative to cylinder.
Further, damper gear is coordinated by inner screw sheath and cylinder screw.
In order to reduce abrasion, extend the life-span of damper, further limit, needle roller axle is provided between lifting seat and cylinder
Hold, needle bearing is set on inner screw sheath, plane rolling bearing is provided between damper gear and needle bearing.
In order to protect magnetic strength element, it is to avoid its direct long term contact dust, rainwater etc., its service life is influenceed, further
Limit, magnetic strength element is arranged in housing, and is arranged on by housing on cylinder.Housing is provided with the through hole passed through for probe,
Probe can be made more stable in lifting, will not be rocked.
Further, cylinder upper surface is provided with axially extending passage, and probe is liftably plugged in passage.
Further, probe is fixedly connected with piston rod.
In order to avoid probe rotation, further limit, piston rod includes upper fixing element, the body of rod and disk, disk is arranged
On body of rod top, disk upper surface is provided with counterbore, and probe passes through counterbore, and counterbore coordinates with probe pin upper ends, limits the rotation of probe,
Upper fixing element is located above disk and is set in body of rod top, limits the axial movement of probe.
In order to adapt to different vehicles, further limit, probe can be circumferentially rotated along piston rod.
A kind of control method of intelligent damping device,
When upper magnetic strength element senses to signal during lower magnetic strength element no signal, lifting assembly declines, until upper magnetic strength member
Part and lower magnetic strength element stop when sensing signal；
Instantly magnetic strength element senses are to signal during upper magnetic strength element no signal, and lifting assembly rises, until upper magnetic strength member
Part and lower magnetic strength element stop when sensing signal；
When upper magnetic strength element and lower magnetic strength element are not sensed by signal, controller control lifting assembly declines, if
Upper magnetic strength element senses are to signal, then lifting assembly continues to decline, until upper magnetic strength element and lower magnetic strength element sense letter
Number when stop；If upper magnetic strength element is not sensed by signal always, lifting assembly is turned back after dropping to the lower end of cylinder main body
Motion upwards, until upper magnetic strength element and lower magnetic strength element stop when sensing signal.
The beneficial effects of the invention are as follows：
This damper can the pressure that is carried immediately of automatic identification, according to instant load, adjust automatically precompression makes spring
All the time optimal precompressed scope is in, the coefficient of elasticity of the shock absorbing resilient of damper is advantageously reduced, met in different loading conditions
Under comfort level requirement.
Brief description of the drawings
Fig. 1 is a kind of stereogram of embodiment of the damper of the present invention；
Fig. 2 is a kind of explosive view of embodiment of the damper of the present invention；
Fig. 3 is a kind of right side cross-sectional view of embodiment of upper fixing element, magnetic strength component and housing in the present invention；
Fig. 4 is a kind of structural representation of embodiment of the limit assembly of the present invention；
Fig. 5 be the present invention limit assembly and probe another embodiment structural representation；
Fig. 6 be the present invention probe and piston rod another embodiment part-structure schematic diagram.
In figure：
1 damper, 11 piston rods, 111 upper fixing elements, 112 bodies of rod, 113 disks, 12 cylinders,
2 springs,
3 lifting assemblies, 31 damper gears, 311 inner screw sheaths, 32 lifting seats, 321 upper cover bodies, 322 lower covers, 33 motors,
34 transmission mechanisms, 351 needle bearings, 352 plane rolling bearings,
4 magnetic strength components, 41 probes, 42 magnetic strength elements, magnetic strength element, 422 times magnetic elements of magnetic strength element 43,44 on 421
Housing,
5 controllers,
6 limit assemblies, 611 lower limit parts, 612 upper limit parts, 621 times magnetic strength parts, 622 magnetic locating parts, magnetic on 631
Feel magnetic locating part, 641 rotary stopper parts, 642 stopper slots on part, 632.
Embodiment
In order that those skilled in the art more fully understands technical scheme, below in conjunction with the accompanying drawings 1~5 and tool
The present invention is described in further detail for body embodiment.
Embodiment 1
A kind of intelligent damping device, including damper 1 and the spring 2 being enclosed on damper 1, damper 1 include piston rod 11
With cylinder 12, upper end and the piston rod 11 of spring 2 coordinate, and lower end coordinates with cylinder 12.
See Fig. 1, Fig. 2, this damper also includes lifting assembly 3, magnetic strength component 4 and controller 5；Lifting assembly 3 is set in
Coordinate on cylinder 12 and with the lower end of spring 2, by the elevating movement of lifting assembly 3, adjust the precompression of spring 2；Magnetic strength group
Part 4 includes probe 41, magnetic strength element 42 and magnetic element 43, and the upper end of probe 41 is connected with piston rod 11, and the main body of probe 41 and
Piston rod 11 is be arranged in parallel, and magnetic element 43 and magnetic strength element 42 are separately positioned on probe 41 and cylinder 12；Controller 5 and magnetic
Sensing unit 42 and lifting assembly 3 are connected, and controller 5 is by the position of the induced magnetism element 43 of magnetic strength element 42, and in magnetic member
When predeterminated position is deviateed in the position of part 43, control lifting assembly 3 is lifted, and is adjusted the precompression of spring 2, is made the pre- of spring 2
Pressure is matched with actual loading.
Wherein, magnetic element 43 can be arranged on probe 41 or cylinder 12, accordingly, and magnetic strength element 42 is arranged on cylinder
12 or probe 41 on.It is arranged on invention shows one of which, i.e. magnetic element 43 on probe 41, magnetic strength element 42 is set
On cylinder 12.
See Fig. 2, lifting assembly 3 includes damper gear 31, lifting seat 32, motor 33 and transmission mechanism 34, damper gear 31
It is set in lifting seat 32 on cylinder 12, damper gear 31 coordinates with the screw thread of cylinder 12, motor 33 and transmission mechanism 34 are by rising
Drop seat 32 is installed, and motor 33 drives damper gear 31 by transmission mechanism 34, controls the lifting of lifting seat 32.
Operation principle is as follows：
Just during start, damper carry load, as spring 2 is compressed, probe 41 produces relative displacement with cylinder 12, visits
The relative position of magnetic element 43 and magnetic strength element 42 on pin 41 changes, and is detected by magnetic strength element 42, is sent to
Controller 5, controller 5 judges suffered load by preset program, makes corresponding work order, and controlled motor 33 starts
Or stop.When motor 33 starts, the motor driving gear on the output shaft of motor 33 passes through three groups of change-speed gearings, driving and cylinder 12
The damper gear 31 that screw thread coordinates, lifting seat 32 produces relative motion in the presence of damper gear 31 with cylinder 12, changes and rises
The height and position between seat 32 and cylinder 12 is dropped, that is, changes the suspension ring on piston rod 11 and the distance between lifting seat 32, to realize
The precompressed length adjustment of spring 2, to ensure that any precompression and load reach that best fit is matched, it is ensured that forever good is comfortable
Property.
Wherein, the quantity of magnetic strength element 42 is more than one, and each other along the axial word order of cylinder 12.
When magnetic strength element 42 is one, the course of work is as follows：
During initial start-up, motor 33 is rotated by default direction, drives lifting seat 32 to decline, until magnetic strength element 42 is experienced
Stop during the magnetic field signal of magnetic element 43, now the position of magnetic strength element 42 is corresponding with the position of magnetic element 43, magnetic strength member
Part 42 sends a signal to controller 5, and the controlled motor 33 of controller 5 stops, so that lifting seat 32 stops declining.
Embodiment 2
See Fig. 3, in order that predeterminated position is more accurate, it is to avoid error, the quantity of magnetic strength element 42 is two, is upper magnetic respectively
Sensing unit 421 and lower magnetic strength element 422, upper magnetic strength element 421 and lower magnetic strength element 422 are arranged on cylinder 12, magnetic element
43 are arranged on probe 41, when the position of magnetic element 43 is in predeterminated position, upper magnetic strength element 421 and lower magnetic strength element
422 can sense the magnetic field of magnetic element 43 simultaneously.The course of work is as follows：
(1) (loaded moderate) when upper magnetic strength element 421 and lower magnetic strength element 422 have signal, now magnetic element 43
Magnetic strength element 42 is faced, motor 33 is inoperative.
(2) when upper magnetic strength element 421 has signal and lower 422 no signal of magnetic strength element (light load), now magnetic is first
Part 43 is located at the top of magnetic strength element 42, it is necessary to expand the distance between upper lift ring and lifting seat 32 of piston rod 11, controller 5
Controlled motor 33 is run, and declines lifting seat 32, and spring 2 softens, and can't hold out against pressure, and upper lift ring sinks, and drives magnetic element 43
It is descending, until upper magnetic strength element 421 and lower magnetic strength element 422 stop when having signal.
(3) instantly magnetic strength element 422 have a signal and during upper 421 no signal of magnetic strength element (heavier loads), now magnetic member
Part 43 is located at the lower section of magnetic strength element 42, it is necessary to reduce the distance between upper lift ring and lifting seat 32 of piston rod 11, controller 5
Controlled motor 33 is run, and lifting seat 32 is increased, and spring 2 is hardened, and pressure increase, upper lift ring rises, and drives on magnetic element 43
OK, until upper magnetic strength element 421 and lower magnetic strength element 422 stop when having signal.
Embodiment 3
When initial, because magnetic strength element 42 may no signal at the beginning, now magnetic element 43 be located at the upper of magnetic strength element 42
Side's (underload) or magnetic element 43 are located at the lower section (overload) of magnetic strength element 42, then the acquiescence of motor 33 drives lifting
Seat 32 is descending.If magnetic strength element 42 senses signal during the decline of lifting seat 32, i.e., upper magnetic strength element 421 and lower magnetic strength
Element 422 senses signal, then motor 33 stops；If declining process magnetic strength element 42 in lifting seat 32 to be not sensed by always
Signal, i.e., upper magnetic strength element 421 and lower magnetic strength element 422 sense signal, then show overload, magnetic strength element when initial
42 be in magnetic element 43 lower sections because lifting seat 32 declines always, in order to prevent lifting seat 32 depart from cylinder 12, it is necessary to
Limit assembly 6 is installed, to control lifting seat 32 to be lifted in the scope of subject of cylinder 12 on damper.
See Fig. 4, limit assembly 6 can be the lower limit part 611 for being located at the bottom of cylinder 12, can be to be located at the top of cylinder 12
Upper limit part 612 or lower limit part 611 and upper limit part 612 combination.
See Fig. 5, limit assembly 6 can be the He of lower limit magnetic strength element 621 being respectively provided on lifting seat 32 and cylinder 12
Lower limit magnetic element 622, can be the upper limit magnetic strength element 631 and upper limit being respectively provided on lifting seat 32 and cylinder 12
Magnetic element 632 or both combinations.
See Fig. 2, limit assembly 6 can also be the rotary stopper part 641 and limit being respectively provided on lifting seat 32 and cylinder 12
Position groove 642.
Limit assembly 6 can also be any combination of the above-mentioned various situations enumerated.Wherein, lower limit magnetic strength element 621
It can be arranged on lifting seat 32 or cylinder 12, accordingly, lower limit magnetic element 622 is arranged on cylinder 12 or lifting seat
On 32；Upper limit magnetic strength element 621 can be arranged on lifting seat 32 or cylinder 12, accordingly, upper limit magnetic element 632
It is arranged on cylinder 12 or lifting seat 32；Rotary stopper part 641 is arranged on lifting seat 32 or cylinder 12, accordingly, limit
Position groove 642 is arranged on cylinder 12 or lifting seat 32.
Embodiment 4
See Fig. 4, limit assembly 6 is lower limit part 611, and lower limit part 611 is located at the bottom of cylinder 12.The course of work is such as
Under：
(1) (loaded moderate) when upper magnetic strength element 421 and lower magnetic strength element 422 have signal, now magnetic element 43
Magnetic strength element 42 is faced, motor 33 is inoperative.
(2) when upper magnetic strength element 421 has signal and lower 422 no signal of magnetic strength element (light load), under lifting seat 32
Drop, until upper magnetic strength element 421 and lower magnetic strength element 422 stop when sensing signal.
(3) magnetic strength element 422 has signal and during upper 421 no signal of magnetic strength element (heavier loads) instantly, on lifting seat 32
Rise, until upper magnetic strength element 421 and lower magnetic strength element 422 stop when sensing signal.
(4) when upper magnetic strength element 421 and lower magnetic strength 422 equal no signal of element, now, the acquiescence driving lifting seat of motor 33
32 decline.During lifting seat 32 declines, if upper magnetic strength element 421 first senses signal (underload), lifting seat 32
Continue to decline, until upper magnetic strength element 421 and lower magnetic strength element 422 stop when sensing signal；If upper magnetic strength element 421
Signal (overload) is not sensed by always, then motor 33 continues to drive lifting seat 32 to decline, until lifting seat 32 and lower limit
Part 611 is contacted, and now lifting seat 32 can not continue to decline, and motor 33 must be produced bigger by resistance in order to overcome resistance
Torque, electric current increase, the controlled motor 33 of controller 5 is inverted, so that lifting seat 32 rises, until upper magnetic strength element 421 and under
Magnetic strength element 422 detects signal, and sends a signal to controller 5, and the controlled motor 33 of controller 5 shuts down, lifting
Seat 32 stops.
Embodiment 5
See Fig. 2, Fig. 5, limit assembly 6 is lower limit magnetic strength element 621 and lower limit magnetic element 622, lower limit magnetic strength
Element 621 is fixed on lifting assembly 3, and lower limit magnetic element 622 is fixed on the bottom of cylinder 12, controller 5 and lower limit magnetic strength
Element 621 is connected, and controller 5 is when lower limit magnetic strength element 621 senses the magnetic field of lower limit magnetic element 622, and control rises
Part 3 of coming down to a lower group stops declining and rising.Its course of work is as follows：
(1) (loaded moderate) when upper magnetic strength element 421 and lower magnetic strength element 422 have signal, now magnetic element 43
Magnetic strength element 42 is faced, motor 33 is inoperative.
(2) when upper magnetic strength element 421 has signal and lower 422 no signal of magnetic strength element (light load), under lifting seat 32
Drop, until upper magnetic strength element 421 and lower magnetic strength element 422 stop when sensing signal.
(3) magnetic strength element 422 has signal and during upper 421 no signal of magnetic strength element (heavier loads) instantly, on lifting seat 32
Rise, until upper magnetic strength element 421 and lower magnetic strength element 422 stop when sensing signal.
(4) when upper magnetic strength element 421 and lower magnetic strength 422 equal no signal of element, now, the acquiescence driving lifting seat of motor 33
32 decline.During lifting seat 32 declines, if upper magnetic strength element 421 first senses signal (underload), lifting seat 32
Continue to decline, until upper magnetic strength element 421 and lower magnetic strength element 422 stop when sensing signal；If upper magnetic strength element 421
Signal (overload) is not sensed by always, then motor 33 continues to drive lifting seat 32 to decline, until lower limit magnetic strength element 621
Signal is detected, controller 5 is sent to, the controlled motor 33 of controller 5 is inverted, so as to drive lifting seat 32 to rise, until upper magnetic
Sensing unit 421 and lower magnetic strength element 422 detect signal, and send a signal to controller 5, the controlled motor 33 of controller 5
Shut down, lifting seat 32 stops.
Embodiment 6
Lifting seat 32 is driven to rotate when being rotated in order to avoid damper gear 31, lifting seat 32 is anti-with having respectively on cylinder 12
Rotary stopper part 641 and stopper slot 642 that only lifting seat 32 rotates relative to cylinder 12.
Rotary stopper part 641 may be provided on lifting seat 32 or cylinder 12, accordingly, and stopper slot 642 may be provided on cylinder 12
Or on lifting seat 32.
See Fig. 2, the present invention have selected former scheme, i.e. rotary stopper part 641 and is fixedly connected with lifting seat 32, cylinder 12
Outside provided with axial direction stopper slot 642, lifting locating part 64 be slidably disposed in stopper slot 642.Equally, rotation herein
Locating part 641 may also function as the effect for avoiding lifting seat 32 from departing from cylinder 12, and the course of work now is as follows：
(1) (loaded moderate) when upper magnetic strength element 421 and lower magnetic strength element 422 have signal, now magnetic element 43
Magnetic strength element 42 is faced, motor 33 is inoperative.
(2) when upper magnetic strength element 421 has signal and lower 422 no signal of magnetic strength element (light load), under lifting seat 32
Drop, until upper magnetic strength element 421 and lower magnetic strength element 422 stop when sensing signal.
(3) magnetic strength element 422 has signal and during upper 421 no signal of magnetic strength element (heavier loads) instantly, on lifting seat 32
Rise, until upper magnetic strength element 421 and lower magnetic strength element 422 stop when sensing signal.
(4) when upper magnetic strength element 421 and lower magnetic strength 422 equal no signal of element, now, the acquiescence driving lifting seat of motor 33
32 decline.During lifting seat 32 declines, if upper magnetic strength element 421 first senses signal (underload), lifting seat 32
Continue to decline, until upper magnetic strength element 421 and lower magnetic strength element 422 stop when sensing signal；If upper magnetic strength element 421
Signal (overload) is not sensed by always, then motor 33 continues to drive lifting seat 32 to decline, until rotary stopper part 641 and limit
The lower end in contact of position groove 642, the decline of limitation rotary stopper part 641, the lifting seat being now fixedly connected with rotary stopper part 641
32 can not also continue to decline, and motor 33 must be produced bigger torque by resistance in order to overcome resistance, electric current increase, control
The controlled motor 33 of device 5 processed is inverted, so that lifting seat 32 rises, until upper magnetic strength element 421 and lower magnetic strength element 422 are detected
Signal, and controller 5 is sent a signal to, the controlled motor 33 of controller 5 shuts down, and lifting seat 32 stops.
Embodiment 7
See Fig. 2, damper gear 31 is coordinated by inner screw sheath 311 and the screw thread of cylinder 12.In order to reduce abrasion, extend damping
In the life-span of device, needle bearing 351 is provided between lifting seat 32 and cylinder 12, needle bearing 351 is set on inner screw sheath 311,
Plane rolling bearing 352 is provided between damper gear 31 and needle bearing 351.
See Fig. 2, in order to preferably protect internal structure, lifting seat 32 is lid, and lid includes upper cover body 321 and lower cover
322, the medial surface of lower cover 322 is provided with groove, and lower magnetic strength element 621 is located in groove, and motor 33 and controller 5 are fixedly mounted on
The outer wall of lid, damper gear and 34 is installed in the inside of lid.
Fig. 2, Fig. 3 are seen, in order to protect magnetic strength element 43, it is to avoid it exposes in atmosphere, direct long term contact dust, rainwater
Deng influenceing its service life, magnetic strength element 42 is arranged in housing 44, and be arranged on cylinder 12 by housing 42.Housing 42
The through hole passed through for probe 41 is provided with, makes probe 41 more stable in lifting, will not rock.There are cavity, magnetic inside housing 44
Sensing unit 42 is fixed in cavity.
The lower end of probe 41 is liftable to be plugged between cylinder 12 and spring 2, in order to reduce between cylinder 12 and spring 2
Spacing, the passage of axial direction is set in the upper surface of cylinder 12, and probe 41 is liftably plugged in passage.
Damper is with after a period of time, and spring 2 can soften, it may be necessary to adjust the predeterminated position of magnetic strength element 42, when
It is also likely to be so the predeterminated position that magnetic strength element 42 is adjusted to adapt to different vehicles, the spiral shell that housing 44 can be passed through radial direction
Nail is fixed on cylinder 12, unscrews screw, you can when changing the position on the relative cylinder 12 of magnetic strength element 42, i.e. magnetic strength element 42
Height of the piston rod 11 with respect to cylinder 12 when detecting signal.Alternatively, can also be by changing probe 41 on piston rod 11
Position realize change predeterminated position.
Embodiment 8
See Fig. 6, piston rod 11 includes upper fixing element 111, the body of rod 112 and disk 113, and the top of the body of rod 112 is provided with external screw thread,
Disk 113 is enclosed on the body of rod 112 and coordinated with the screw thread of the body of rod 112, and the upper surface of disk 113 is provided with counterbore, and probe 41 passes through counterbore,
The upper end of probe 41 and counterbore coordinate, the counterbore limitation rotation of probe 41, upper fixing element 111 be located at the top of disk 113 and with the body of rod 112
Screw thread coordinates, and limits the axial movement of probe 41.
Foregoing counterbore can for it is partially circular, polygonal and other it is various can limit the shape of the rotation of probe 41, because visit
Counterbore on the upper end of pin 41 and disk 113 coordinates, solve the problem of probe 41 can rotate around Pivot Point Center, it is to avoid magnetic member
The distance between part 43 and magnetic strength element 42 produce change with the rotation of probe 41, it is ensured that the relative magnetism element of magnetic strength element 42
43 good sensing.
Embodiment 9
See Fig. 3, Fig. 5, piston rod 11 includes upper fixing element 111 and the body of rod 112, and upper fixing element 111 and the body of rod 112 are detachable
Connection.
Two suspension ring up and down of damper are connected with upper frame and following wheel hub respectively, but actual upper lift ring is hung with
The end face of ring may be not parallel, i.e., two suspension ring shapes have a certain degree, if probe 41 can rotate in a circumferential direction along piston rod 11, can protect
The elevating movement on same path all the time of probe 41 is held, will not be rotated relative to cylinder 12, adapts to this damper a variety of
Vehicle.
A kind of scheme is to set the groove along the circumference of the body of rod 112 in the lower surface of the upper fixing element 111 of piston rod 11, preferably
For T-slot, the upper end of probe 41 is arranged in T-slot, can rotating in a circumferential direction along the body of rod 112.Another scheme is in the body of rod 112
Side opens up a circle circumferential slot, and the upper end of probe 41 coordinates with circumferential slot, it is rotate in same direction along the body of rod 112.In the present embodiment
The mode that probe 41 loads upper fixing element 111 is referred into embodiment 8, i.e. piston rod 11 includes upper fixing element 111, the body of rod 112
With disk 113, the upper surface of disk 113 is provided with circumferential T-slot, in the T-slot that probe 41 is first passed through to disk 113, Ran Houyuan
Disk 113 is set on the body of rod 112, may be selected to be threaded connection, and upper fixing element 111 is set on the body of rod 112 afterwards, and limitation is visited
The axial movement of pin 41, makes it be only capable of circumferentially rotating along T-slot.
Embodiment 10
A kind of control method of intelligent damping device,
When upper magnetic strength element 421 senses signal and lower 422 no signal of magnetic strength element, lifting assembly 3 declines, until upper
Magnetic strength element 421 and lower magnetic strength element 422 stop when sensing signal；
Instantly magnetic strength element 422 senses signal and during upper 421 no signal of magnetic strength element, lifting assembly 3 rises, until upper
Magnetic strength element 421 and lower magnetic strength element 422 stop when sensing signal；
When upper magnetic strength element 421 and lower magnetic strength element 422 are not sensed by signal, under the control lifting assembly 3 of controller 5
Drop, if upper magnetic strength element 421 senses signal, lifting assembly 3 continues to decline, until upper magnetic strength element 421 and lower magnetic strength
Element 422 stops when sensing signal；If upper magnetic strength element 421 is not sensed by signal always, lifting assembly 3 drops to
Turned back behind the lower end of the main body of cylinder 12 upward motion, until when upper magnetic strength element 421 and lower magnetic strength element 422 sense signal
Stop.
Magnetic strength element 42, upper magnetic strength element 421, lower magnetic strength element 422, the upper limit magnetic strength element mentioned in the present invention
631 and lower limit magnetic strength element 621 be Hall sensor, model SC2432.The model of controller 5
STM8S003F3P6。
The specific embodiment of the present invention is described in detail above, but it is intended only as example, and the present invention is not limited
It is formed on particular embodiments described above.To those skilled in the art, it is any to the equivalent modifications that carry out of the present invention and
Substitute also within scope of the invention.Therefore, the equalization made without departing from the spirit and scope of the invention is converted and repaiied
Change, all should be contained within the scope of the invention.
Claims (16)
1. a kind of intelligent damping device, including damper (1) and the spring (2) that is enclosed on damper (1), damper (1) bag
Piston rod (11) and cylinder (12) are included, upper end and the piston rod (11) of the spring (2) coordinate, and lower end coordinates with cylinder (12),
It is characterized in that：
Also include lifting assembly (3), magnetic strength component (4) and controller (5)；
The lifting assembly (3) is set on cylinder (12) and coordinated with the lower end of spring (2), passes through the liter of lifting assembly (3)
Drop motion, the precompression of regulation spring (2)；
The magnetic strength component (4) include probe (41), magnetic strength element (42) and magnetic element (43), probe (41) upper end and
Piston rod (11) is connected, and probe (41) main body be arranged in parallel with piston rod (11), the magnetic element (43) and magnetic strength element
(42) it is separately positioned on probe (41) and cylinder (12)；
The controller (5) is connected with magnetic strength element (42) and lifting assembly (3), and controller (5) is felt by magnetic strength element (42)
The position of magnetropism element (43), and when deviateing predeterminated position in the position of magnetic element (43), control lifting assembly (3) is carried out
Lifting, the precompression of regulation spring (2), makes the precompression of spring (2) be matched with actual loading.
2. intelligent damping device according to claim 1, it is characterised in that：The quantity of the magnetic strength element (42) be one with
On, and each other along the axial word order of cylinder (12).
3. intelligent damping device according to claim 2, it is characterised in that：The quantity of the magnetic strength element (42) is two,
It is upper magnetic strength element (421) and lower magnetic strength element (422) respectively, upper magnetic strength element (421) and lower magnetic strength element (422) are arranged on
On cylinder (12), magnetic element (43) is arranged on probe (41), when the position of magnetic element (43) is in predeterminated position, on
Magnetic strength element (421) and lower magnetic strength element (422) can sense the magnetic field of magnetic element (43) simultaneously.
4. intelligent damping device according to any one of claim 1 to 3, it is characterised in that：Also include limit assembly (6),
Limit assembly (6) the control lifting assembly (3) lifts in the scope of subject of cylinder (12).
5. intelligent damping device according to claim 3, it is characterised in that：Also include limit assembly (6), the limit assembly
(6) lower limit part (611) is included, the lower limit part (611) is located at the bottom of cylinder (12).
6. intelligent damping device according to claim 3, it is characterised in that：Also include limit assembly (6), the limit assembly
(6) lower limit magnetic strength element (621) and lower limit magnetic element (622) are included, the lower limit magnetic strength element (621) is fixed on
Lifting assembly (3), the lower limit magnetic element (622) is fixed on cylinder (12) bottom, the controller (5) and lower limit magnetic
Sensing unit (621) is connected, and controller (5) senses the magnetic field of lower limit magnetic element (622) in lower limit magnetic strength element (621)
When, control lifting assembly (3) stops declining and rising.
7. intelligent damping device according to any one of claim 1 to 3, it is characterised in that：The lifting assembly (3) includes
Damper gear (31), lifting seat (32), motor (33) and transmission mechanism (34), the damper gear (31) and lifting seat (32) set
It is located on cylinder (12), damper gear (31) coordinates with cylinder (12) screw thread, and the motor (33) and transmission mechanism (34) pass through
Lifting seat (32) is installed, and motor (33) drives damper gear (31) by transmission mechanism (34), control lifting seat (32)
Lifting.
8. intelligent damping device according to claim 7, it is characterised in that：The lifting seat (32) on cylinder (12) with distinguishing
With the rotary stopper part (641) and stopper slot (642) for preventing that lifting seat (32) from rotating relative to cylinder (12).
9. intelligent damping device according to claim 7, it is characterised in that：The damper gear (31) passes through inner screw sheath
(311) coordinate with cylinder (12) screw thread.
10. intelligent damping device according to claim 9, it is characterised in that：Between the lifting seat (32) and cylinder (12)
Provided with needle bearing (351), the needle bearing (351) is set on inner screw sheath (311), the damper gear (31) and rolling
Plane rolling bearing (352) is provided between needle bearing (351).
11. intelligent damping device according to claim 1, it is characterised in that：The magnetic strength element (42) is arranged on housing
(44) in, and it is arranged on by housing (42) on cylinder (12), the housing (42) is provided with the through hole passed through for probe (41).
12. intelligent damping device according to claim 1, it is characterised in that：Prolong provided with axial direction cylinder (12) upper surface
The passage stretched, the probe (41) is liftably plugged in passage.
13. intelligent damping device according to claim 1, it is characterised in that：The probe (41) and piston rod (11) are fixed
Connection.
14. intelligent damping device according to claim 13, it is characterised in that：The piston rod (11) includes upper fixing element
(111), the body of rod (112) and disk (113), the disk (113) are set in the body of rod (112) top, disk (113) upper end
Face is provided with counterbore, and the probe (41) passes through counterbore, and the counterbore and probe (41) upper end coordinate, limitation probe (41) from
Turn, fixed part (111) is located above disk (113) and is set in the body of rod (112) top, the axial direction of limitation probe (41)
Motion.
15. intelligent damping device according to claim 1, it is characterised in that：The probe (41) can be along piston rod (11) week
To rotation.
16. the control method of the intelligent damping device according to claim 3 or 6, it is characterised in that：
When upper magnetic strength element (421) senses signal and lower magnetic strength element (422) no signal, lifting assembly (3) declines, until
Upper magnetic strength element (421) and lower magnetic strength element (422) stop when sensing signal；
Instantly magnetic strength element (422) senses signal and during upper magnetic strength element (421) no signal, lifting assembly (3) rises, until
Upper magnetic strength element (421) and lower magnetic strength element (422) stop when sensing signal；
When upper magnetic strength element (421) and lower magnetic strength element (422) are not sensed by signal, controller (5) control lifting assembly
(3) decline, if upper magnetic strength element (421) senses signal, lifting assembly (3) continues to decline, until upper magnetic strength element
(421) and when lower magnetic strength element (422) senses signal stop；If upper magnetic strength element (421) is not sensed by signal always,
Then lifting assembly (3) drops to upward motion of being turned back behind the lower end of cylinder (12) main body, until upper magnetic strength element (421) and lower magnetic
Sensing unit (422) stops when sensing signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710367222.0A CN107152484B (en) | 2017-05-23 | 2017-05-23 | Intelligent shock absorber and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710367222.0A CN107152484B (en) | 2017-05-23 | 2017-05-23 | Intelligent shock absorber and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107152484A true CN107152484A (en) | 2017-09-12 |
| CN107152484B CN107152484B (en) | 2022-07-26 |
Family
ID=59793604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710367222.0A Active CN107152484B (en) | 2017-05-23 | 2017-05-23 | Intelligent shock absorber and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107152484B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606043A (en) * | 2017-11-19 | 2018-01-19 | 东莞市松研智达工业设计有限公司 | A kind of shock proof automobile energy storage damper of fourth gear |
| CN107606042A (en) * | 2017-11-13 | 2018-01-19 | 东莞市松研智达工业设计有限公司 | A kind of automobile shock stored energy mechanism |
| CN115429551A (en) * | 2022-09-19 | 2022-12-06 | 西南科技大学 | Stretcher damping device for ambulance |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2125570U (en) * | 1992-01-14 | 1992-12-23 | 陈述 | Power saving speed-limiting safety lift container |
| DE19722216A1 (en) * | 1996-06-21 | 1998-01-02 | Mannesmann Sachs Ag | Shock absorber for motor vehicle |
| CN101435479A (en) * | 2003-10-22 | 2009-05-20 | 通用汽车公司 | Magnetorheological fluid damper |
| WO2010058773A1 (en) * | 2008-11-18 | 2010-05-27 | 株式会社エーシーシー | Vehicle height-adjusting suspension apparatus |
| US20130180813A1 (en) * | 2012-01-13 | 2013-07-18 | Eustace Moore, JR. | Fluid-filled shock absorber |
| CN104879430A (en) * | 2015-05-25 | 2015-09-02 | 常州舒安车辆有限公司 | Shock absorber with intelligent automatic pre-pressure adjusting function |
| CN105972144A (en) * | 2016-06-06 | 2016-09-28 | 烟台三新新能源科技有限公司 | Mechanical vibration reducing device |
-
2017
- 2017-05-23 CN CN201710367222.0A patent/CN107152484B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2125570U (en) * | 1992-01-14 | 1992-12-23 | 陈述 | Power saving speed-limiting safety lift container |
| DE19722216A1 (en) * | 1996-06-21 | 1998-01-02 | Mannesmann Sachs Ag | Shock absorber for motor vehicle |
| CN101435479A (en) * | 2003-10-22 | 2009-05-20 | 通用汽车公司 | Magnetorheological fluid damper |
| WO2010058773A1 (en) * | 2008-11-18 | 2010-05-27 | 株式会社エーシーシー | Vehicle height-adjusting suspension apparatus |
| US20130180813A1 (en) * | 2012-01-13 | 2013-07-18 | Eustace Moore, JR. | Fluid-filled shock absorber |
| CN104879430A (en) * | 2015-05-25 | 2015-09-02 | 常州舒安车辆有限公司 | Shock absorber with intelligent automatic pre-pressure adjusting function |
| CN105972144A (en) * | 2016-06-06 | 2016-09-28 | 烟台三新新能源科技有限公司 | Mechanical vibration reducing device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606042A (en) * | 2017-11-13 | 2018-01-19 | 东莞市松研智达工业设计有限公司 | A kind of automobile shock stored energy mechanism |
| CN107606043A (en) * | 2017-11-19 | 2018-01-19 | 东莞市松研智达工业设计有限公司 | A kind of shock proof automobile energy storage damper of fourth gear |
| CN115429551A (en) * | 2022-09-19 | 2022-12-06 | 西南科技大学 | Stretcher damping device for ambulance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107152484B (en) | 2022-07-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100482965C (en) | Separating system | |
| CN107152484A (en) | Intelligent damping device | |
| US8070169B2 (en) | Actuator for active roll control system | |
| CN116749702A (en) | active suspension system | |
| EP2123922B1 (en) | Thrust slide bearing and combined mechanism of the thrust slide bearing and piston rod | |
| US20100200343A1 (en) | Electromagnetic shock absorber for vehicle | |
| KR20200025243A (en) | Apparatus of adjusting vehicle height for suspension | |
| CN106004298A (en) | AGV (automatic guided vehicle) elastic support driving device using hub motor and AGV | |
| CN101189137A (en) | Damping force generation system and vehicle suspension system constructed by including the same | |
| JPH08276882A (en) | Suspension | |
| CN1572549A (en) | Height adjustment system for a vehicle | |
| US5305860A (en) | Remote controlled vehicle damper | |
| CN110254564A (en) | A kind of small automobile-used wheel hanging component of AGV | |
| US11661130B2 (en) | Motorized dropper post assembly | |
| KR20210026060A (en) | Device for adjusting the height of vehicle | |
| KR20210026062A (en) | Device for adjusting the height of vehicle | |
| CN206738475U (en) | Intelligent damping device | |
| KR20210026058A (en) | Device for adjusting the height of vehicle | |
| JP2006062550A (en) | Damping characteristic control system and its control method | |
| CN106246072B (en) | A kind of magnetic suspension is without support intelligent control revolving door | |
| JP2022519402A (en) | Vehicle suspension with controllable ground clearance and rigidity | |
| KR101491359B1 (en) | Electronic stability program for vehicle | |
| CN214368637U (en) | Leveling supporting leg with force feedback | |
| KR20090036215A (en) | Suspension apparatus with position of spring seat adjusted | |
| CN108274966A (en) | A kind of suspension arrangement and straddle carrier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Intelligent shock absorbers and their control methods Effective date of registration: 20230518 Granted publication date: 20220726 Pledgee: Industrial and Commercial Bank of China Limited Changzhou Economic Development Zone sub branch Pledgor: CHANGZHOU SHUAN VEHICLE Co.,Ltd. Registration number: Y2023980040835 |