CN104595413A - Multilayer damping channel magnetron shock absorber - Google Patents
Multilayer damping channel magnetron shock absorber Download PDFInfo
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- CN104595413A CN104595413A CN201510007908.XA CN201510007908A CN104595413A CN 104595413 A CN104595413 A CN 104595413A CN 201510007908 A CN201510007908 A CN 201510007908A CN 104595413 A CN104595413 A CN 104595413A
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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
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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
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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
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention relates to a multilayer damping channel magnetron shock absorber. The multilayer damping channel magnetron shock absorber comprises a shock absorber shell, wherein magnetron fluid is arranged in the shock absorber shell, a piston rod and a piston structure are also arranged in the shock absorber shell, one end of the piston rod extends out of the shock absorber shell, the other end of the piston rod is fixedly connected with the piston structure, the piston structure comprises a piston shell, an iron core and a damping channel extension device are fixedly arranged in the piston shell, the iron core is wound with an excitation coil, two conducting wires of the excitation coil are led out from leading-out holes formed in the iron core and the piston rod, a magnetron fluid inlet and a magnetron fluid outlet are formed in the piston shell, the magnetron fluid inlet and the magnetron fluid outlet of the piston shell are respectively communicated with a damping channel inlet and a damping channel outlet which are formed in the damping channel extension device. By adopting the multilayer damping channel magnetron shock absorber, the balance between the long damping channel and long piston stroke can be realized, the controllable range of the damping force of the shock absorber is greatly enlarged, and the performance is good.
Description
Technical field
The invention belongs to absorber technical field, be specifically related to a kind of multilayer damp channel formula magnetic control vibration damper.
Background technique
Vibration damper based on magnetic control fluid is a kind of new type vibration isolator, has damping controlled, and the feature that volume is little, efficiency is high, has good market prospects.Current magnetic control fluid shock absorber is all the technological scheme adopting electromagnetism regulating type, traditional magnetic control vibration damper, it is primarily of magnetic control fluid, piston, coil, cylinder barrel forms, gap between piston and cylinder barrel is damp channel, when vibration damper is subject to reciprocal External Force Acting, the magnetic control fluid at piston two ends is back and forth flowed by the damp channel on piston, when the electric current in coil increases, magnetic field in damp channel will strengthen, the output damping force of magnetic control fluid shock absorber increases, on the contrary, electric current reduces, export damping force also just to reduce, the size of damping force is exported by controlling vibration damper to the adjustment of input current.Based on These characteristics, determine the movement travel of mainly piston and the adjustable extent of damping force of magnetic control vibration damper performance index quality.The prolongation of the movement travel of piston must cause the shortening of damp channel, and the shortening of damp channel will directly affect the maximum output damping force of vibration damper, and there are some researches show, the prolongation of damp channel effectively can promote the controlled range of absorber damping force.But traditional vibration damper based on magnetic control fluid is difficult to realize the balance between longer damp channel and longer piston stroke.
Summary of the invention
The object of the invention is the deficiency existed for prior art, a kind of multilayer damp channel formula magnetic control vibration damper is provided, it achieves the balance between longer damp channel and longer piston stroke, greatly increases the controlled range of absorber damping force, and performance is good.
The object of the invention is to adopt following proposal to realize: a kind of multilayer damp channel formula magnetic control vibration damper, comprise shock absorber casing, magnetic control fluid is provided with in described shock absorber casing, piston rod and piston structure is also provided with in described shock absorber casing, shock absorber casing is stretched out outside one end of described piston rod, the other end of piston rod is fixedly connected with piston structure, described piston structure comprises piston shell, cored and the damp channel extension fixture of described piston shell internal fixtion, described iron core is wound with field coil, two wires of described field coil pass through iron core, the fairlead that piston rod is provided with is drawn, described piston shell is provided with magnetic control fluid entry port and magnetic control fluid flow outlet, the magnetic control fluid entry port of piston shell, the damp channel entrance that magnetic control fluid flow outlet is arranged with damp channel extension fixture respectively, outlet communicates.
Floating piston is provided with between the bottom end face of described shock absorber casing and the front cover of piston structure, described floating piston and shock absorber casing inwall are slidably matched, spring is fixed with between described movable floating plug and the bottom end face of shock absorber casing, described spring one end is fixedly connected with movable floating plug, and the spring the other end is fixedly connected with the bottom end face of shock absorber casing.
The bottom end face of described shock absorber casing is provided with through hole.
Be provided with floating plug guide ring and floating plug seal ring between the surface of described movable floating plug and shock absorber casing inwall, floating plug guide ring and floating plug seal ring are surrounded in floating piston surface groove respectively.
Described damp channel extension fixture comprises multiple maze type fluid director and multiple retaining ring, maze type fluid director, retaining ring is all enclosed within iron core, described maze type fluid director is made up of multiple concentric drums, between adjacent two cylinders, gap is set and is fixedly connected with by connecting tendon, form multilayer loop flow damping passage, be communicated with between adjacent two-layer circulation damp channel, maze type fluid director and iron core, all gap is left between piston sleeve, multiple maze type fluid director is along iron core axial distribution, described retaining ring is distributed in often between adjacent two maze type fluid directors, maze type fluid director is fixed on front cover, between rear end cover, described retaining ring is provided with the through hole for being communicated with adjacent two maze type fluid director damp channels, multiple maze type fluid director is fixed in piston sleeve, with piston sleeve, iron core, retaining ring, front cover, maze type damp channel is formed between rear end cover, the entrance of this maze type damp channel, outlet respectively with front cover, magnetic control fluid entry port on rear end cover, magnetic control fluid flow outlet communicates.
The maze type fluid director of described damp channel extension fixture is three, be respectively the first maze type fluid director, second maze type fluid director, 3rd maze type fluid director, three maze type fluid directors are separately fixed in piston shell vertically, the first retaining ring and the second retaining ring is provided with in described piston shell, first retaining ring is arranged between the first maze type fluid director and the second maze type fluid director, second retaining ring is arranged between the second maze type fluid director and the 3rd maze type fluid director, first retaining ring is provided with damp channel, for being communicated with the first maze type fluid director, second maze type fluid director, second retaining ring is provided with damp channel, for being communicated with the second maze type fluid director, 3rd maze type fluid director, one end of first maze type fluid director is fixed on the front cover of piston shell, the other end of the first maze type fluid director is fixed on the first retaining ring, one end of second maze type fluid director is fixed on the first retaining ring, the other end of the second maze type fluid director is fixed on the second retaining ring, one end of 3rd maze type fluid director is fixed on the second retaining ring, the other end of the 3rd maze type fluid director is fixed on the rear end cover of piston shell, the front cover of described piston shell is provided with magnetic control fluid entry port, the rear end cover of described piston shell is provided with magnetic control fluid flow outlet.
Described maze type fluid director is made up of even number concentric drums.
Described piston shell comprises piston sleeve, front cover and rear end cover, and described front cover and rear end cover are separately fixed at piston sleeve two ends by seam technology.
Described piston rod designs semi-circular recesses, and the semi-circular recesses utilizing iron core and rear end cover to be formed, is fixed piston rod and iron core by steel wire clamping ring.
Upper cover of piston rod outside rear end cover has cushion pad.
The advantage that the present invention has is: because multilayer damp channel formula magnetic control vibration damper of the present invention comprises shock absorber casing, magnetic control fluid is provided with in described shock absorber casing, piston rod and piston structure is also provided with in described shock absorber casing, shock absorber casing is stretched out outside one end of described piston rod, the other end of piston rod is fixedly connected with piston structure, described piston structure comprises piston shell, cored and the damp channel extension fixture of described piston shell internal fixtion, described iron core is wound with field coil, two wires of described field coil pass through iron core, the fairlead that piston rod is provided with is drawn.Whole damp channel is concentrated on internal piston by the present invention, whole closed magnetic loop also concentrates on piston portion simultaneously, namely damp channel extension fixture is set in piston, described piston shell is provided with magnetic control fluid entry port and magnetic control fluid flow outlet, the damp channel entrance that the magnetic control fluid entry port of piston shell, magnetic control fluid flow outlet are arranged with damp channel extension fixture respectively, exports and communicate.During piston movement, magnetic control fluid flows into the maze type circulation damp channel of damp channel extension fixture by the magnetic control fluid entry port of piston shell, circulating through passage, increase the effective length of damp channel, increase damping force adjustable extent, and solving the contradictory problems extended between the piston stroke of existing vibration damper and damp channel, performance is good.
Floating piston is provided with between the bottom end face of described shock absorber casing and the front cover of piston structure, described floating piston and shock absorber casing inwall are slidably matched, spring is fixed with between described movable floating plug and the bottom end face of shock absorber casing, described spring one end is fixedly connected with movable floating plug, and the spring the other end is fixedly connected with the bottom end face of shock absorber casing.The movable floating plug of this absorber designing compensates the change of vibration damper internal capacity, utilizes the compressive force of spring to provide restoring force for movable floating plug,
The bottom end face of described shock absorber casing is provided with through hole.The cylinder barrel place be connected with vibration damper at spring designs through-hole structure, remains on the balance of gas pressure in piston cavity in shock absorber movement, for the stable operation of vibration damper provides safeguard.
In a word, magnetic control fluid of the present invention is flowed by multilayer loop circulation road, effectively extends the length of damp channel; Guide element concentrates on piston, simplifies piston structure.In addition, by iron core, circulation channel and piston sleeve are all concentrated on piston portion, make magnetic structure compacter, magnetic field utilization ratio strengthens.
Accompanying drawing explanation
Fig. 1 is the structural representation of multilayer damp channel formula magnetic control vibration damper of the present invention;
Fig. 2 is the structural representation of maze type fluid director of the present invention;
Fig. 3 is the structural representation of the piston structure of maze type fluid director of the present invention.
In accompanying drawing, 1 is cylinder barrel, 2 is steel wire clamping ring, 3 is piston sleeve, 4 is piston guide ring, 5 is the first retaining ring, 6 is front cover, 7 is magnetic control fluid, 8 is movable floating plug, 9 is floating plug seal ring, 10 is spring, 11 is cushion pad, 12 is rear end cover, 13 is the 3rd maze type fluid director, 14 is the second retaining ring, 15 is iron core, 16 is the second maze type fluid director, 17 is field coil, 18 is the first maze type fluid director, 19 is floating plug guide ring, 20 is through hole, 21 is sealing cover, 22 is piston rod, 23 is wire, 24 is magnetic control fluid entry port, 25 is magnetic control fluid flow outlet, 181 is the first cylinder, 182 is the second cylinder, 183 is connecting tendon, 184 is damp channel.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearly, give detailed mode of execution and concrete operating process, below in conjunction with accompanying drawing, the present invention is described in further detail:
See Fig. 1 to Fig. 3, a kind of multilayer damp channel formula magnetic control vibration damper, comprises shock absorber casing. and the shock absorber casing of the present embodiment comprises cylinder barrel 1 and sealing cover 21.Magnetic control fluid 7 is provided with in described shock absorber casing.Described magnetic control fluid 7 is known magnetic flow liquid or magnetorheological glue.Also be provided with piston rod 22 and piston structure in described shock absorber casing, stretch out shock absorber casing outside one end of described piston rod 22, the other end of piston rod 22 is fixedly connected with piston structure.Described piston structure comprises piston shell.Described piston shell comprises piston sleeve 3, front cover 6 and rear end cover 12, and described front cover 6 and rear end cover 12 are separately fixed at piston sleeve 3 two ends by seam technology.Crimping process is carried out at piston sleeve 3 two ends, utilizes front and rear cover 12, just iron core 15 and piston sleeve 3 etc. can be secured.Piston sleeve 3 uses high permeability material.Front cover 6 and rear end cover 12 are non-magnet_conductible material.The outer circle wall of described piston sleeve 3 installs piston guide ring 4, and piston guide ring 4 is surrounded in the groove of piston sleeve 3 setting.Described piston guide ring 4 is installed in the middle part of the outer surface of piston sleeve 3, plays the effect of piston portion motion guide.Described front cover 6 is provided with magnetic control fluid 7 inflow entrance and the first bayonet socket for fixing damp channel extension fixture, and described rear end cover 12 is provided with magnetic control fluid flow outlet and the second bayonet socket for fixing damp channel extension fixture.Described piston shell internal fixtion cored 15 and damp channel extension fixture.One axial end of described iron core 15 is provided with the cylinder shape groove for installing piston rod 22, piston rod 22 inserts in the cylinder shape groove of iron core 15, described piston rod 22 designs semi-circular recesses, utilize the semi-circular recesses that iron core 15 and rear end cover 12 are formed, by steel wire clamping ring 2, piston rod 22 and iron core 15 are fixed.Described iron core 15 is provided with the fairlead of two wires 23 of field coil 17, and piston rod 22 is provided with axle center hole and communicates with the fairlead of iron core 15.And the hole heart line that piston rod 22 is provided with the hole heart line of axle center hole and the fairlead of iron core 15 is positioned at same straight line.On piston rod 22 outside rear end cover 12, cover has cushion pad 11, and when piston rod 22, to stretch out stroke excessive, and cushion pad 11 can play the effect avoiding piston and shock absorber sealing lid 21 rigid collision.Described iron core 15 is wound with field coil 17.Field coil 17 surface on iron core 15 utilizes epoxy resin or similar polymer material to carry out surface coverage Post RDBMS.The fairlead that two wires 23 of described field coil 17 are provided with by iron core 15, piston rod 22 is drawn.Field coil 17 is wound in the groove of iron core 15, and the present embodiment adopts two-stage magnetic structure, and the endoporus of two wires 23 in the middle part of iron core 15 of field coil 17 passes, then is led to outside vibration damper by the through hole of piston rod 22.Described piston shell is provided with magnetic control fluid 7 inflow entrance and magnetic control fluid flow outlet, the damp channel entrance that the magnetic control fluid entry port 24 of piston shell, magnetic control fluid flow outlet 25 are arranged with damp channel extension fixture respectively, exports and communicate.
Described damp channel extension fixture comprises multiple maze type fluid director and multiple retaining ring, maze type fluid director, retaining ring is all enclosed within iron core 15, described maze type fluid director is made up of multiple concentric drums, between adjacent two cylinders, gap is set and is fixedly connected with by connecting tendon, form multilayer loop flow damping passage, be communicated with between adjacent two-layer circulation damp channel, maze type fluid director and iron core 15, all gap is left between piston sleeve 3, multiple maze type fluid director is along iron core 15 axial distribution, described retaining ring is distributed in often between adjacent two maze type fluid directors, maze type fluid director is fixed on front cover 6, between rear end cover 12, described retaining ring is provided with the through hole for being communicated with adjacent two maze type fluid director damp channels, multiple maze type fluid director is fixed in piston sleeve 3, with piston sleeve 3, iron core 15, retaining ring, front cover 6, maze type damp channel is formed between rear end cover 12, the entrance of this maze type damp channel, outlet respectively with front cover 6, magnetic control fluid entry port on rear end cover 12, magnetic control fluid flow outlet communicates.Maze type fluid director uses high permeability material processing.
The cylinder number of maze type fluid director of the present invention is preferably even number.The maze type fluid director of the present embodiment is made up of two concentric drums, is respectively the first cylinder 181 and the second cylinder 182.Gap is left as damp channel 184 between described first cylinder 181 and the second cylinder 182.This damp channel is set to the second damp channel.First cylinder 181 is connected by connecting tendon 183 with the second cylinder 182.During installation, the clamp that first cylinder 181 of one axial end of this maze type fluid director is provided with inserts in the bayonet socket of front cover 6, gap is left between this end second cylinder 182 and front cover 6, the clamp that second cylinder 182 of another axial end of this maze type fluid director is provided with inserts in the bayonet socket of the first retaining ring 5, leaves gap between this end first cylinder 181 and first retaining ring 5.After maze type fluid director installs, the first damp channel is formed between maze type fluid director and piston sleeve 3, and form the 3rd damp channel between iron core 15, the two ends of the second damp channel of this maze type fluid director communicate with the first damp channel, the 3rd damp channel respectively.Certainly, maze type fluid director of the present invention is not limited only to two concentric drums, maze type fluid director of the present invention can also adopt three, four, five etc., when the cylinder number of maze type fluid director is odd number, as long as can and piston shell, form maze type damp channel between iron core 15 and also may be used for the present invention.
The maze type fluid director of the described damp channel extension fixture of the present embodiment is three, be respectively the first maze type fluid director 18, second maze type fluid director 16, 3rd maze type fluid director 13, three maze type fluid directors are separately fixed in piston shell vertically, the first retaining ring 5 and the second retaining ring 14 is provided with in described piston shell, first retaining ring 5 is arranged between the first maze type fluid director 18 and the second maze type fluid director 16, second retaining ring 14 is arranged between the second maze type fluid director 16 and the 3rd maze type fluid director 13, first retaining ring 5 is provided with damp channel, for being communicated with the first maze type fluid director 18, second maze type fluid director 16, second retaining ring 14 is provided with damp channel, for being communicated with the second maze type fluid director 16, 3rd maze type fluid director 13, one end of first maze type fluid director 18 is fixed on the front cover 6 of piston shell, the other end of the first maze type fluid director 18 is fixed on the first retaining ring 5, one end of second maze type fluid director 16 is fixed on the first retaining ring 5, the other end of the second maze type fluid director 16 is fixed on the second retaining ring 14, one end of 3rd maze type fluid director 13 is fixed on the second retaining ring 14, the other end of the 3rd maze type fluid director 13 is fixed on the rear end cover 12 of piston shell, the front cover 6 of described piston shell is provided with magnetic control fluid entry port, the rear end cover 12 of described piston shell is provided with magnetic control fluid flow outlet.First maze type fluid director 18, second maze type fluid director 16, the 3rd maze type fluid director 13 are fixed between front cover 6, first retaining ring 5, second retaining ring 14, rear end cover 12 by bayonet socket.Described piston sleeve 3 inwall arranges positioning step, for locating retaining ring.The present embodiment has been provided with a positioning step and has located the first retaining ring 5, second retaining ring 14 respectively.The present embodiment piston sleeve 3 intermediate inner wall designs comparatively both sides height 0.2mm, and first retaining ring 5, second retaining ring 14 one end can contact with piston sleeve 3 intermediate portion, plays location and the fixation of the first retaining ring 5 and the second retaining ring 14.
The present invention is not limited only to three maze type fluid directors, and the present invention can also arrange two maze type fluid directors or four maze type fluid directors etc.If arrange two, four, five, six etc. maze type fluid directors, its means of fixation is similar with the means of fixation arranging three maze type fluid directors, the quantity of retaining ring fewer than the quantity of maze type fluid director one all the time.And retaining ring utilizes not magnetic stainless steel material or hard aluminium alloy material to make.Certain the present invention only can also arrange a maze type fluid director, if arrange a maze type fluid director, then no longer needs retaining ring, only the two ends of this maze type fluid director need be fixed on front cover 6, rear end cover 12 respectively by bayonet socket.
Floating piston is provided with between the bottom end face of described shock absorber casing and the front cover 6 of piston structure, described floating piston and shock absorber casing inwall are slidably matched, spring 10 is fixed with between described movable floating plug 8 and the bottom end face of shock absorber casing, described spring 10 one end is fixedly connected with movable floating plug 8, and spring 10 the other end is fixedly connected with the bottom end face of shock absorber casing.Being fixed on spring 10 bottom movable floating plug 8 and cylinder barrel 1 for movable floating plug 8 provides the restoring force after compression.The flexible of spring 10 can pass in and out internal volume change caused by cylinder barrel 1 by compensating piston bar 22, and provides restoring force for piston movement.Magnetic field fluid riddles the vibration damper inner space of movable floating plug 8 upper end.The bottom end face of described shock absorber casing is provided with through hole 20.The through hole of cylinder barrel 1 bottom design can keep isostasy in floating piston movement process.Be provided with floating plug guide ring 19 and floating plug seal ring 9 between the surface of described movable floating plug 8 and shock absorber casing inwall, floating plug guide ring 19 and floating plug seal ring 9 are surrounded in floating piston surface groove respectively.Floating plug guide ring 19 provides leading role for floating piston moves, and movable floating plug 8 internal gas and magnetic control fluid 7 are isolated by floating plug seal ring 9.The movable floating plug 8 of this absorber designing compensates the change of vibration damper internal capacity, the compressive force of spring 10 is utilized to provide restoring force for movable floating plug 8, cylinder barrel 1 place be connected with vibration damper at spring 10 designs through-hole structure, remain on the balance of gas pressure in piston cavity in shock absorber movement, for the stable operation of vibration damper provides safeguard.
Field coil 17 is energized and produces magnetic field, forms closing magnetic path structure by piston sleeve 3, iron core 15, magnetic control fluid 7, maze type fluid director.Shock absorber piston rod 22 to-and-fro motion, due to the motion of piston rod 22, magnetic control fluid 7 is flowed into by the magnetic control fluid entry port place of front cover 6, goes through multilayer loop circulation road and flows out from the magnetic control fluid flow outlet of rear end cover 12.First maze type fluid director 18, second maze type fluid director 16, the 3rd maze type fluid director 13 effectively can extend the length of magnetic control fluid 7 damp channel, and the present invention increases the length of damp channel further by the quantity of concentric drums and the quantity of maze type fluid director increasing maze type fluid director.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a multilayer damp channel formula magnetic control vibration damper, comprise shock absorber casing, magnetic control fluid is provided with in described shock absorber casing, it is characterized in that: in described shock absorber casing, be also provided with piston rod and piston structure, shock absorber casing is stretched out outside one end of described piston rod, the other end of piston rod is fixedly connected with piston structure, described piston structure comprises piston shell, cored and the damp channel extension fixture of described piston shell internal fixtion, described iron core is wound with field coil, two wires of described field coil pass through iron core, the fairlead that piston rod is provided with is drawn, described piston shell is provided with magnetic control fluid entry port and magnetic control fluid flow outlet, the magnetic control fluid entry port of piston shell, the damp channel entrance that magnetic control fluid flow outlet is arranged with damp channel extension fixture respectively, outlet communicates.
2. multilayer damp channel formula magnetic control vibration damper according to claim 1, it is characterized in that: between the bottom end face of described shock absorber casing and the front cover of piston structure, be provided with floating piston, described floating piston and shock absorber casing inwall are slidably matched, spring is fixed with between described movable floating plug and the bottom end face of shock absorber casing, described spring one end is fixedly connected with movable floating plug, and the spring the other end is fixedly connected with the bottom end face of shock absorber casing.
3. multilayer damp channel formula magnetic control vibration damper according to claim 2, is characterized in that: the bottom end face of described shock absorber casing is provided with through hole.
4. multilayer damp channel formula magnetic control vibration damper according to claim 2, it is characterized in that: be provided with floating plug guide ring and floating plug seal ring between the surface of described movable floating plug and shock absorber casing inwall, floating plug guide ring and floating plug seal ring are surrounded in floating piston surface groove respectively.
5. multilayer damp channel formula magnetic control vibration damper according to claim 1, it is characterized in that: described damp channel extension fixture comprises multiple maze type fluid director and multiple retaining ring, maze type fluid director, retaining ring is all enclosed within iron core, described maze type fluid director is made up of multiple concentric drums, between adjacent two cylinders, gap is set and is fixedly connected with by connecting tendon, form multilayer loop flow damping passage, be communicated with between adjacent two-layer circulation damp channel, maze type fluid director and iron core, all gap is left between piston sleeve, multiple maze type fluid director is along iron core axial distribution, described retaining ring is distributed in often between adjacent two maze type fluid directors, maze type fluid director is fixed on front cover, between rear end cover, described retaining ring is provided with the through hole for being communicated with adjacent two maze type fluid director damp channels, multiple maze type fluid director is fixed in piston sleeve, with piston sleeve, iron core, retaining ring, front cover, maze type damp channel is formed between rear end cover, the entrance of this maze type damp channel, outlet respectively with front cover, magnetic control fluid entry port on rear end cover, magnetic control fluid flow outlet communicates.
6. multilayer damp channel formula magnetic control vibration damper according to claim 5, it is characterized in that: the maze type fluid director of described damp channel extension fixture is three, be respectively the first maze type fluid director, second maze type fluid director, 3rd maze type fluid director, three maze type fluid directors are separately fixed in piston shell vertically, the first retaining ring and the second retaining ring is provided with in described piston shell, first retaining ring is arranged between the first maze type fluid director and the second maze type fluid director, second retaining ring is arranged between the second maze type fluid director and the 3rd maze type fluid director, first retaining ring is provided with damp channel, for being communicated with the first maze type fluid director, second maze type fluid director, second retaining ring is provided with damp channel, for being communicated with the second maze type fluid director, 3rd maze type fluid director, one end of first maze type fluid director is fixed on the front cover of piston shell, the other end of the first maze type fluid director is fixed on the first retaining ring, one end of second maze type fluid director is fixed on the first retaining ring, the other end of the second maze type fluid director is fixed on the second retaining ring, one end of 3rd maze type fluid director is fixed on the second retaining ring, the other end of the 3rd maze type fluid director is fixed on the rear end cover of piston shell, the front cover of described piston shell is provided with magnetic control fluid entry port, the rear end cover of described piston shell is provided with magnetic control fluid flow outlet.
7. the multilayer damp channel formula magnetic control vibration damper according to claim 5 or 6, is characterized in that: described maze type fluid director is made up of even number concentric drums.
8. the multilayer damp channel formula magnetic control vibration damper according to claim 1 or 5 or 6, it is characterized in that: described piston shell comprises piston sleeve, front cover and rear end cover, described front cover and rear end cover are separately fixed at piston sleeve two ends by seam technology.
9. multilayer damp channel formula magnetic control vibration damper according to claim 1, it is characterized in that: described piston rod designs semi-circular recesses, the semi-circular recesses utilizing iron core and rear end cover to be formed, is fixed piston rod and iron core by steel wire clamping ring.
10. multilayer damp channel formula magnetic control vibration damper according to claim 1, is characterized in that: the upper cover of piston rod outside rear end cover has cushion pad.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510007908.XA CN104595413B (en) | 2015-01-08 | 2015-01-08 | Multilamellar damp channel formula magnetic control vibroshock |
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| CN201510007908.XA CN104595413B (en) | 2015-01-08 | 2015-01-08 | Multilamellar damp channel formula magnetic control vibroshock |
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| CN104595413B CN104595413B (en) | 2016-08-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969085A (en) * | 2017-05-31 | 2017-07-21 | 长江大学 | A kind of adjustable jack type hydraulic damping buffering device |
| CN112105836A (en) * | 2018-07-03 | 2020-12-18 | 纽摩泰科有限公司 | Magneto-rheological damper piston |
| CN113074210A (en) * | 2021-03-16 | 2021-07-06 | 广西科技大学 | Passive magnetorheological vibration damper |
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| WO1994001181A1 (en) * | 1992-07-09 | 1994-01-20 | Torgi Ag | Device for carrying out movements |
| EP1013963A2 (en) * | 1992-06-18 | 2000-06-28 | Lord Corporation | Magnetoriheological fluid device |
| CN1871447A (en) * | 2003-10-22 | 2006-11-29 | 通用汽车公司 | Magnetorheological fluid damper |
| CN101566207A (en) * | 2008-04-23 | 2009-10-28 | 北京纽希液压技术研究所 | Hydraulic buffer |
| CN103032510A (en) * | 2012-12-12 | 2013-04-10 | 重庆大学 | Tension type magneto-rheological buffer, |
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| EP1013963A2 (en) * | 1992-06-18 | 2000-06-28 | Lord Corporation | Magnetoriheological fluid device |
| WO1994001181A1 (en) * | 1992-07-09 | 1994-01-20 | Torgi Ag | Device for carrying out movements |
| CN1871447A (en) * | 2003-10-22 | 2006-11-29 | 通用汽车公司 | Magnetorheological fluid damper |
| CN101566207A (en) * | 2008-04-23 | 2009-10-28 | 北京纽希液压技术研究所 | Hydraulic buffer |
| CN103032510A (en) * | 2012-12-12 | 2013-04-10 | 重庆大学 | Tension type magneto-rheological buffer, |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969085A (en) * | 2017-05-31 | 2017-07-21 | 长江大学 | A kind of adjustable jack type hydraulic damping buffering device |
| CN112105836A (en) * | 2018-07-03 | 2020-12-18 | 纽摩泰科有限公司 | Magneto-rheological damper piston |
| CN113074210A (en) * | 2021-03-16 | 2021-07-06 | 广西科技大学 | Passive magnetorheological vibration damper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104595413B (en) | 2016-08-24 |
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