CN105889404A - Dismountable energy-absorbing bumper damper - Google Patents
Dismountable energy-absorbing bumper damper Download PDFInfo
- Publication number
- CN105889404A CN105889404A CN201610387497.6A CN201610387497A CN105889404A CN 105889404 A CN105889404 A CN 105889404A CN 201610387497 A CN201610387497 A CN 201610387497A CN 105889404 A CN105889404 A CN 105889404A
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- Prior art keywords
- damper
- piston
- fixed plate
- circular
- high magnetic
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Classifications
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- 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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/005—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
- F16F13/007—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
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- 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
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/22—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with one or more cylinders each having a single working space closed by a piston or plunger
- F16F9/26—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with one or more cylinders each having a single working space closed by a piston or plunger with two cylinders in line and with the two pistons or plungers connected together
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- 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
- F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
- F16F9/535—Magnetorheological [MR] fluid dampers
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- 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
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/06—Magnetic or electromagnetic
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a dismountable energy-absorbing bumper damper. One end of the damper is fixedly connected to a bumper; the other end of the damper is fixedly connected to an automobile girder; the damper comprises a hydraulic damper, a magneto-rheological damper and a buffering device; the buffering device comprises a circular fixing plate I, a circular fixing plate II, a spring and a guide rod; the hydraulic damper is arranged on the circular fixing plate I; a piston I is arranged inside the hydraulic damper; a piston rod of the piston I passes through the circular fixing plate I; the magneto-rheological damper is arranged on the circular fixing plate II and comprises a piston II; the piston rod of the piston II passes through the circular fixing plate II; the top end of the piston I and the top end of the piston II are fixedly connected with each other by screw threads. The dismountable energy-absorbing bumper damper disclosed by the invention is capable of guaranteeing the performance stability of the bumper, quite good in energy absorption effect, simple in structure and capable of restoring the functions by partial replacement after being damaged, and also has the advantages of being reusable, relatively low in use cost, easy to dismount and good in maintainability.
Description
Technical field
The invention belongs to a kind of damper device, be specifically related to a kind of detachable energy-absorbing bumper damper.
Background technology
Bumper as vehicle with extraneous collision time the device had an effect at first, the safety of pedestrian and body of a motor car is played to
Closing important effect, along with popularizing of automobile, the requirement of bumper is the most improved constantly by people.At present, bumper
Having two kinds of main Types, general insurance thick stick and the bumper with damping unit, general insurance bar uses filled and process or resin etc.
Material completes buffering course, although program simple in construction, but its energy-absorbing effect is very limited.Another kind is by damping
The throttling of device intracavity liquid realizes energy-absorbing function, this kind of bumper stable performance, and energy-absorbing effect is good, but structure is usually relatively complex,
And it is relatively costly to need integral replacing to cause after impaired, the most only it is used on high-grade car.In order to solve energy-absorbing damper without
Difficulty, the problem of maintainability difference are reused and dismantled to method.
Therefore, cannot reuse and dismantle difficulty, the problem of maintainability difference to solve energy-absorbing damper, offer one is provided badly
Simple in construction, it is easy to dismounting, it is only necessary to replace partial component and can recover function, the bumper damper that use cost is relatively low
Device, a kind of detachable energy-absorbing bumper damper.
Summary of the invention
1, problem to be solved
For the above-mentioned problems in the prior art, the present invention provides a kind of detachable energy-absorbing bumper damper, by setting
Some hydraulic dampers, MR damper and buffer unit so that described damper has good energy-absorbing effect, and ties
Structure is simple, impaired after have only to local replacing and can recover function, and reusable, use cost is relatively low, be readily disassembled.
2, technical scheme
In order to solve the problems referred to above, the technical solution adopted in the present invention is as follows:
Described one detachable energy-absorbing bumper damper, described damper one end is fixedly connected on bumper, the other end
Being fixedly connected on automobile longitudinal girder, described damper is the most individual and side-by-side horizontal is arranged, described damper include hydraulic damper,
MR damper and buffer unit, described buffer unit includes circular fixed plate one, circular fixed plate two, spring and guide post,
In described circular fixed plate one and circular fixed plate two, corresponding position is equally spaced has some circular holes, one end of described guide post
Integration is provided with termination, and the other end has a screw thread, and opening threaded one end, to sequentially pass through described circular fixed plate one solid with circle
Fixed by nut after determining the circular hole having on plate two, on described guide post between described circular fixed plate one and circular fixed plate two
Also it is arranged with spring;Described hydraulic damper is located in circular fixed plate one, and is provided with piston one in described hydraulic damper, institute
The piston rod stating piston one passes that have in the middle part of described circular fixed plate one and identical with the piston rod size of described piston one circle
Hole;Described MR damper is located in described circular fixed plate two, and described MR damper includes piston two, described work
Plug two is located in MR damper, and the piston rod of described piston two is through that have in the middle part of described circular fixed plate two and with described
The circular hole that the piston rod size of piston two is identical;Described piston one is threadably secured with the top of piston two and is connected;Described magnetic current
Magnetic flow liquid it is full of in mutative damp device.
Preferably, described hydraulic damper includes outer cylinder body, inner barrel and check valve, described outer cylinder body and the lower port of inner barrel
Being both secured in described circular fixed plate one, described inner barrel upper end is provided with check valve and connects with described outer cylinder body, described inner barrel
Inside it is arranged with piston one.
Preferably, described MR damper also includes that cylinder, described cylinder top are fixed in described circular fixed plate two,
Described cylinder body bottom is provided with chassis, and described chassis is provided with circular magnet.
Preferably, described cylinder includes barrel inner, cylinder middle level and the cylinder outer layer from inside to outside set gradually, described cylinder
Internal layer and cylinder outer layer are high magnetic conduction iron and make, and described cylinder middle level is made for resistance magnetic material.
Preferably, described piston two also includes that piston comes directly towards, and described piston top includes integration the connecting rod with described piston two
High magnetic conductor one, the stainless steel resistance magnet ring one being located at described high magnetic conductor one upper end and the described high magnetic conductor one arranged for the center of circle
Combined type connects and high magnetic conductor two in dumbbell shape, the ring be located between the high magnetic conductor one of described dumbbell shape and high magnetic conductor two
Shape magnet one, be located at described high magnetic conductor two other end stainless steel resistance magnet ring two and be located at described stainless steel resistance magnet ring two another
The annular magnet two of end face, described stainless steel resistance magnet ring one, high magnetic conductor one, annular magnet one, high magnetic conductor two, stainless steel
Resistance magnet ring two is concentric structure with annular magnet two and radius is the most identical.
Preferably, described annular magnet two is relative with the circular magnet homopolarity on chassis.
Preferably, leaving gap between described piston top and barrel inner, in described MR damper, magnetic induction line direction is in institute
The barrel of described MR damper it is perpendicular in stating gap.
Preferably, described spring is hollow-core construction, and is made up of aluminum alloy material.
Preferably, the diameter of described guide post is less than the external diameter of described termination.
3, beneficial effect
Compared to prior art, the invention have the benefit that
(1) barrel of hydraulic damper of the present invention uses double-decker, and cavity is left in centre, when damper does not works,
Piston one is positioned at damper top, the closed check valve of bottom, is separated with cavity by damping fluid, when piston one and cylinder barrel generation phase
During to displacement, piston one promotes liquid to open check valve, and damping fluid enters cavity by throttle orifice, by the raw resistance of liquid section miscarriage
Buddhist nun's power;
(2) spring of the present invention is hollow-core construction, aluminum alloy material, the distance when between bumper and automobile longitudinal girder due to
When being clashed into and compressed, the urceolus of hydraulic damper and MR damper can transmit the force to spring, camber of spring thus
Complete to buffer work;Simultaneously as spring takes the hollow-core construction being similar to buffer arm so that it is produce after forced compression and mould
Property deformation and lose restorable ability, it is to avoid cause to external world during restoring to the original state after traditional spring pressurized
The possibility of secondary injury;
(3) being filled with magnetic flow liquid in MR damper of the present invention, described magnetic flow liquid is a kind of novel intelligent material,
Its flow behavior can change along with the effect of applying vertical magnetic field, and the initial position of piston two is positioned at the top of damper,
Leaving certain space between piston two and barrel, when damper works, in gap, the magnetic flow liquid of flowing can be because of the work in magnetic field
With becoming thickness, thus increase the resistance of piston two motion to reach to increase the damping of damper;
(4) present invention is arranged with annular magnet two, described annular magnet two and the circular magnetic on chassis below described piston two
Iron homopolarity is relative, and time increasingly nearer bottom piston two with MR damper, the repulsion of annular magnet two and circular magnet can be because of
The reduction of distance and become big so that MR damper increases drag effect in the case of bumper deformation is excessive further, with
Time this avoids the damage of MR damper the most to a certain extent, the target preferentially replacing hydraulic damper during for dismounting provides
Ensure;
(5) present invention is when when collision scenario accident, inevitably produces maintenance problem, damper of the present invention
Only need to replace spring and hydraulic damper part can make whole mechanism recover function, i.e. hydraulic damper and MR damper
Piston rod is mutually screwed by internal and external threads and links together, when needing to change parts, it is only necessary to trip spring and guide post end
Nut, and by the threaded separation of outwarding winding between two damper rod, can by spring with hydraulic damper from this structure
Dismounting, then change new corresponding component and just complete whole maintenance process, have and be readily disassembled, it is simple to the feature of replacement, make dimension
Accomplish and be originally substantially reduced, embody modular design philosophy;
(6) damper of the present invention can the stability of guarantee insurance thick stick performance, there is again good energy-absorbing effect, structure letter
Single, and impaired after have only to local replacing and can recover function, thus cost is relatively low, and has and can reuse, and uses into
This is the most relatively low, be readily disassembled, advantage that maintainability is good.
Accompanying drawing explanation
Fig. 1 is one of the present invention detachable energy-absorbing bumper damper embodiment structural representation;
Fig. 2 is one of the present invention detachable energy-absorbing bumper damper perspective view;
Fig. 3 is one of the present invention detachable energy-absorbing bumper damper sectional structure schematic diagram;
Fig. 4 is one-way valve structures enlarged diagram in one of the present invention detachable energy-absorbing bumper damper;
Fig. 5 is MR damper structural representation in one of the present invention detachable energy-absorbing bumper damper;
Fig. 6 is MR damper piston two structural representation in one of the present invention detachable energy-absorbing bumper damper
Figure;
Fig. 7 is MR damper piston two Distribution of Magnetic Field knot in one of the present invention detachable energy-absorbing bumper damper
Structure schematic diagram;
Fig. 8 is MR damper chassis structure schematic diagram in one of the present invention detachable energy-absorbing bumper damper;
Fig. 9 is spring and guide post attachment structure schematic diagram in one of the present invention detachable energy-absorbing bumper damper.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the present invention is further described below.
Embodiment
A kind of detachable energy-absorbing bumper damper, described damper one end is fixedly connected on bumper 1, and the other end is fixed
Being connected on automobile longitudinal girder 2, described damper at least 2 and side-by-side horizontal are arranged, described damper include hydraulic damper,
MR damper 5 and buffer unit, described buffer unit includes circular fixed plate 1, circular fixed plate 29, spring 4 and
Guide post 13, in described circular fixed plate 1 and circular fixed plate 29, corresponding position is equally spaced has some circular holes, institute
One end integration stating guide post 13 is provided with termination 15, and the other end has a screw thread, and opens threaded one end and sequentially pass through described
Being fixed by nut after the circular hole having in circular fixed plate 1 and circular fixed plate 29, the diameter of described guide post 13 is less than institute
State the external diameter of termination 15.Also it is arranged with between described circular fixed plate 1 and circular fixed plate 29 on described guide post 13
Spring 4, described spring 4 is hollow-core construction, and is made up of aluminum alloy material;Described hydraulic damper is located at circular fixed plate 1
On, and in described hydraulic damper, it being provided with piston 1, the piston rod of described piston 1 passes in described circular fixed plate 1
That portion has and identical with the piston rod size of described piston 1 circular hole;It is solid that described MR damper 5 is located at described circle
Determine on plate 29, and described MR damper 5 include that piston 27, described piston 27 are located in MR damper 5,
The piston rod of described piston 27 passes that have in the middle part of described circular fixed plate 29 and with described piston 27 piston rod size
Identical circular hole;Described piston 1 is threadably secured with the top of piston 27 and is connected;Fill in described MR damper 5
Full magnetic flow liquid.
It should be noted that described hydraulic damper includes outer cylinder body 3, inner barrel 12 and check valve 11, described outer cylinder body 3 He
The lower port of inner barrel 12 is both secured in described circular fixed plate 1, and described inner barrel 12 upper end is provided with check valve 11 and institute
State outer cylinder body 3 to connect, in described inner barrel 12, be arranged with piston 1.
In the present embodiment, described MR damper 5 also includes that cylinder, described cylinder top are fixed at described circle and fix
On plate 29, described cylinder body bottom is provided with chassis 10, and described chassis 10 is provided with circular magnet 14.Described annular magnet 2 76
Relative with circular magnet 14 homopolarity on chassis.In barrel inner 51 that described cylinder includes from inside to outside setting gradually, cylinder
Layer 52 and cylinder outer layer 53, described barrel inner 51 and cylinder outer layer 53 be high magnetic conduction iron and make, described cylinder middle level 52
Make for resistance magnetic material.
In the present embodiment, described piston 27 also includes that piston comes directly towards, and described piston top includes integration and with described piston
The connecting rod of 27 be the center of circle arrange high magnetic conductor 1, be located at described high magnetic conductor 1 upper end stainless steel resistance magnet ring 1,
It is connected with described high magnetic conductor 1 combined type and high magnetic conductor 2 74 in dumbbell shape, is located at the high magnetic conductor of described dumbbell shape
Annular magnet 1 between one 72 and high magnetic conductor 2 74, it is located at the stainless steel resistance of described high magnetic conductor 2 74 other end
Magnet ring 2 75 and be located at described stainless steel resistance magnet ring 2 75 other end annular magnet 2 76, described stainless steel resistance magnet ring 1,
High magnetic conductor 1, annular magnet 1, high magnetic conductor 2 74, stainless steel resistance magnet ring 2 75 and annular magnet 2 76 are
Concentric structure and radius are the most identical.Gap, described MR damper 5 is left between described piston top and barrel inner 51
Interior magnetic induction line direction is perpendicular to the barrel of described MR damper 5 in described gap, improves to greatest extent magnetic flow liquid
Damping force.
Based on above-mentioned, the bottom of hydraulic damper of the present invention couples with bumper, and the bottom of MR damper joins with automobile longitudinal girder
Connecing, when automobile collides with external object, the distance between bumper and longeron reduces because of compression, now hinders
The cylinder barrel of Buddhist nun's device and piston can occur relative displacement, thus produce damping force.The barrel of the most described hydraulic damper uses double
Rotating fields, cavity is left in centre, and when damper does not works, piston one is positioned at damper top, the closed check valve of bottom,
Being separated with cavity by damping fluid, when piston one and cylinder barrel generation relative displacement, piston one promotes liquid to open check valve, damping
Liquid enters cavity by throttle orifice, by the raw damping force of liquid section miscarriage;The spring used is hollow-core construction, aluminum alloy material,
When distance when between bumper and automobile longitudinal girder is compressed owing to clashing into, hydraulic damper and the urceolus of MR damper
Spring can be transmitted the force to, camber of spring thus complete buffer work;Simultaneously as spring takes the sky being similar to buffer arm
Core structure so that it is produce after forced compression and be plastically deformed and lose restorable ability, it is to avoid traditional spring pressurized
After during restoring to the original state, cause the possibility of secondary injury to external world;It is filled with magnetic flow liquid in described MR damper,
Described magnetic flow liquid is a kind of novel intelligent material, and its flow behavior can change along with the effect of applying vertical magnetic field, lives
The initial position of plug two is positioned at the top of damper, leaves certain space between piston two and barrel, when damper works,
In gap, the magnetic flow liquid of flowing can become thickness because of the effect in magnetic field, thus increases the resistance of piston two motion to reach to increase resistance
The damping of Buddhist nun's device;
In piston two, the magnetic conductor of dumbbell shaped is built with annular magnet one, and ring-type equipped with stainless steel up and down at this dumbbell shaped magnetic conductor
Resistance magnetic sheet, the effect of resistance magnetic sheet is to be limited in the magnetic field that annular magnet one produces between upper and lower stainless steel ring-type resistance magnetic sheet and make magnetic
The cylinder barrel that sense line direction is perpendicular in MR damper, had the most both prevented the dispersion in magnetic field, also made magnetic flow liquid simultaneously
In the gap of the cylinder barrel in piston two with MR damper during flowing, its flow direction is vertical with magnetic induction line direction, as
Shown in Fig. 7, under the effect of this applying vertical magnetic field, magnetic flow liquid presents rapidly the feature of high viscosity, lazy flow,
What magnetic flow liquid flowed resistance is increased, and piston two move in cylinder and becomes difficult, thus allows the output of MR damper
Damping force increases.Piston two bottom is cased with annular magnet two, and described annular magnet two is relative with the circular magnet homopolarity on chassis,
Time bottom piston two with MR damper more and more closely, annular magnet two can be because of the reduction of distance with repelling of circular magnet
Become big so that MR damper increases drag effect in the case of bumper deformation is excessive further, and this is also necessarily simultaneously
Avoiding the damage of MR damper in degree, the target preferentially replacing hydraulic damper during for dismounting provides guarantee.
The barrel of MR damper is divided into three-decker, and inside and outside it, two-layer is high magnetic conductor material, middle for stainless steel resistance magnetic material
Material.The high magnetic conductor of barrel internal layer ensure that the patency that the magnetic field line that ringshaped magnet one produces transmits, and the resistance magnetic sheet in middle level is led
Magnetic rate is the lowest, prevent magnetic field to external diffusion, the magnetic induction line concentrated vectoring thus ringshaped magnet one produced piston two with
Between cylinder barrel in MR damper, further ensure giving full play to of damping.Equally, produce dry when the external world
When disturbing magnetic field, they can be guided away by the high magnetic conductor of cylinder barrel outer wall, without being diffused into through the stainless steel in middle level resistance magnet
Inside damper, thus ensure that stablizing of damper internal work environment.
When collision scenario accident, inevitably producing maintenance problem, damper of the present invention only need to replace bullet
The piston rod that spring and hydraulic damper part can make whole mechanism recover function, i.e. hydraulic damper and MR damper passes through
Internal and external threads mutually screws and links together, when needing to change parts, it is only necessary to trip spring and the nut of guide post end, and
By the threaded separation of outwarding winding between two damper rod, spring and hydraulic damper can be dismantled from this structure, then change
Upper new corresponding component just completes whole maintenance process, has and is readily disassembled, it is simple to the feature of replacement, makes maintenance cost significantly
Reduce, embody modular design philosophy.
Schematically being described the present invention and embodiment thereof above, this description does not has restricted, and actual structure is not
It is confined to this.So, if those of ordinary skill in the art is enlightened by it, in the case of without departing from the invention objective,
Design the frame mode similar to this technical scheme and embodiment without creative, protection scope of the present invention all should be belonged to.
Claims (9)
- null1. a detachable energy-absorbing bumper damper,Described damper one end is fixedly connected on bumper (1),The other end is fixedly connected on automobile longitudinal girder (2),Described damper at least 2 and side-by-side horizontal setting,It is characterized in that,Described damper includes hydraulic damper、MR damper (5) and buffer unit,Described buffer unit includes circular fixed plate one (8)、Circular fixed plate two (9)、Spring (4) and guide post (13),In described circular fixed plate one (8) and circular fixed plate two (9), corresponding position is equally spaced has some circular holes,One end integration of described guide post (13) is provided with termination (15),The other end has screw thread,And open after threaded one end sequentially passes through the circular hole having in described circular fixed plate one (8) and circle fixed plate two (9) and fixed by nut,Between described circular fixed plate one (8) and circular fixed plate two (9), spring (4) also it is arranged with on described guide post (13);Described hydraulic damper is located in circular fixed plate one (8), and it is provided with piston one (6) in described hydraulic damper, that the piston rod of described piston one (6) has through described circular fixed plate one (8) middle part and identical with the piston rod size of described piston one (6) circular hole;Described MR damper (5) is located in described circular fixed plate two (9), and described MR damper (5) includes piston two (7), described piston two (7) is located in MR damper (5), that the piston rod of described piston two (7) has through described circular fixed plate two (9) middle part and identical with the piston rod size of described piston two (7) circular hole;Described piston one (6) is threadably secured with the top of piston two (7) and is connected;Magnetic flow liquid it is full of in described MR damper (5).
- One the most according to claim 1 detachable energy-absorbing bumper damper, it is characterized in that, described hydraulic damper includes outer cylinder body (3), inner barrel (12) and check valve (11), the lower port of described outer cylinder body (3) and inner barrel (12) is both secured in described circular fixed plate one (8), described inner barrel (12) upper end is provided with check valve (11) and connects with described outer cylinder body (3), is arranged with piston one (6) in described inner barrel (12).
- One the most according to claim 1 detachable energy-absorbing bumper damper, it is characterized in that, described MR damper (5) also includes cylinder, described cylinder top is fixed in described circular fixed plate two (9), described cylinder body bottom is provided with chassis (10), and described chassis (10) are provided with circular magnet (14).
- One the most according to claim 3 detachable energy-absorbing bumper damper, it is characterized in that, described cylinder includes barrel inner (51), cylinder middle level (52) and the cylinder outer layer (53) from inside to outside set gradually, described barrel inner (51) and cylinder outer layer (53) are high magnetic conduction iron and make, and described cylinder middle level (52) is made for resistance magnetic material.
- nullOne the most according to claim 1 detachable energy-absorbing bumper damper,It is characterized in that,Described piston two (7) also includes that piston comes directly towards,Described piston top includes that integration the connecting rod with described piston two (7) are the high magnetic conductor one (72) that the center of circle is arranged、It is located at the stainless steel resistance magnet ring one (71) of described high magnetic conductor one (72) upper end、It is connected with described high magnetic conductor one (72) combined type and high magnetic conductor two (74) in dumbbell shape、The annular magnet one (73) being located between the high magnetic conductor one (72) of described dumbbell shape and high magnetic conductor two (74)、It is located at the stainless steel resistance magnet ring two (75) of described high magnetic conductor two (74) other end and is located at the annular magnet two (76) of described stainless steel resistance magnet ring two (75) other end,Described stainless steel resistance magnet ring one (71)、High magnetic conductor one (72)、Annular magnet one (73)、High magnetic conductor two (74)、Stainless steel resistance magnet ring two (75) is concentric structure with annular magnet two (76) and radius is the most identical.
- 6. according to the one detachable energy-absorbing bumper damper described in claim 3 and 5, it is characterised in that described annular magnet two (76) is relative with circular magnet (14) homopolarity on chassis.
- 7. according to the one detachable energy-absorbing bumper damper described in claim 4 and 5, it is characterized in that, leaving gap between described piston top and barrel inner (51), described MR damper (5) interior magnetic induction line direction is perpendicular to the barrel of described MR damper (5) in described gap.
- One the most according to claim 1 detachable energy-absorbing bumper damper, it is characterised in that described spring (4) is hollow-core construction, and is made up of aluminum alloy material.
- One the most according to claim 1 detachable energy-absorbing bumper damper, it is characterised in that the diameter of described guide post (13) is less than the external diameter of described termination (15).
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Cited By (4)
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CN106763479A (en) * | 2016-12-20 | 2017-05-31 | 合肥中辰轻工机械有限公司 | A kind of sterilization machine cushioning and supporting device |
CN110307748A (en) * | 2019-06-20 | 2019-10-08 | 南京理工大学 | A kind of parallel Self-resetting high efficiency buffer recoil absorber |
CN110715015A (en) * | 2019-11-01 | 2020-01-21 | 詹勋 | Energy-absorbing type automobile engine suspension |
CN111577826A (en) * | 2020-03-31 | 2020-08-25 | 上海卫星工程研究所 | Slender long-stroke crushing type anti-rebound multistage anti-overload buffering structure |
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CN106763479A (en) * | 2016-12-20 | 2017-05-31 | 合肥中辰轻工机械有限公司 | A kind of sterilization machine cushioning and supporting device |
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CN111577826B (en) * | 2020-03-31 | 2021-12-03 | 上海卫星工程研究所 | Slender long-stroke crushing type anti-rebound multistage anti-overload buffering structure |
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