CN202851776U - Double-rod annular air bag vertical type absorber - Google Patents
Double-rod annular air bag vertical type absorber Download PDFInfo
- Publication number
- CN202851776U CN202851776U CN 201220500249 CN201220500249U CN202851776U CN 202851776 U CN202851776 U CN 202851776U CN 201220500249 CN201220500249 CN 201220500249 CN 201220500249 U CN201220500249 U CN 201220500249U CN 202851776 U CN202851776 U CN 202851776U
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- slave cylinder
- clutch release
- annular air
- release slave
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- Fluid-Damping Devices (AREA)
Abstract
The utility model discloses a double-rod annular air bag vertical type absorber which comprises a working cylinder, an electromagnet, an upper absorbing bar, a lower absorbing bar, n annular air bags and n+1 annular disks, wherein the working cylinder is cylinder-shaped, end covers are respectively fixed at the upper end and the lower end of the working cylinder, a hole is formed in the center of the upper end cover, a sliding bearing is installed in the hole, a hole is formed in the center of the lower end cover, and a sealing device and a sliding bearing are installed in the hole; the N annular air bags and the n+1 annular disks are fixed coaxially, the n annular air bags are enabled to be fixed between the n+1 annular disks, one end of the lower absorbing bar is fixed with the outer circle surfaces of all the annular disks with odd ordinal numbers through axial spokes, one end of the upper absorbing bar is fixed with all the annular disks with even ordinal numbers through radial spokes, the annular disks are arranged inside the working cylinder, the height of the liquid level of magnetorheological fluid filled in the working cylinder needs to be higher than the height of a (n+1)th annular disk, and the electromagnet is fixed on the outer circumference of the working cylinder.
Description
Technical field
The utility model belongs to a kind of vibration damper, is specifically related to a kind of pair of vertical vibration damper of rod annular air-pocket.
Background technique
Instrument particularly precision type instrument often all needs to be placed into a minimum working environment of vibration, people are by at instrument underlay one deck sponge mat or designed various " passive type vibration damper " and satisfied various instrument vibration damping, number be that 2009100625007 " inflatable vibration damper " is exactly one of them such as: Chinese patent application, although the compact structure of this inflatable vibration damper, rigidity is adjustable, but because it is to adopt inflation/deflation to regulate its damping property, therefore, its damping property is regulated coarse, is difficult to be applicable to different instruments to the different requirements of vibration damping.
Summary of the invention
Regulate coarse deficiency in order to overcome existing inflatable vibration damper damping property, the utility model proposes a kind of pair of vertical vibration damper of rod annular air-pocket.
The technical solution of the utility model is as follows: a kind of pair of rod annular air-pocket vibration damper, it comprises clutch release slave cylinder, electromagnet, upper and lower two damping rods, a N annular air-pocket and N+1 annular disc, wherein: the clutch release slave cylinder that is made of non-magnet_conductible material is cylindrical shape, upper/lower terminal at clutch release slave cylinder all is fixed with end cap, and is porose at the center of upper end cap, and sliding bearing is installed in the hole, center at lower end cap is porose, and seal arrangement and sliding bearing are installed in the hole; N annular air-pocket and N+1 annular disc that is made of non-magnet_conductible material are by coaxial fixing, make N annular air-pocket be fixed between N+1 the annular disc (that is: the lower end of first annular air-pocket be fixed on first annular disc above, the following of the upper end of first annular air-pocket and second annular disc fixed, fix with the lower end of second annular air-pocket on above the annular disc at second, the following of the upper end of second annular air-pocket and the 3rd annular disc fixed, the following of the upper end of N annular air-pocket and N+1 annular disc fixed), N is even number, one end of the lower damping rod that is made of non-magnet_conductible material is fixed by the external diameter of the annular disc of all odd numbers in the axial spoke that is made of non-magnet_conductible material and the clutch release slave cylinder, one end of the upper damping rod that is made of non-magnet_conductible material is fixed by the internal diameter of all even number annular disc in the radial spoke that is made of non-magnet_conductible material and the clutch release slave cylinder, the other end of upper damping rod stretches out in clutch release slave cylinder by the sliding bearing of clutch release slave cylinder upper end cap, the other end of lower damping rod stretches out in clutch release slave cylinder by seal arrangement and the sliding bearing of clutch release slave cylinder lower end cap, the liquid level height that injects magnetic flow liquid in clutch release slave cylinder will exceed N+1 annular disc, leave certain spacing between the upper end cap in the liquid level of magnetic flow liquid and the clutch release slave cylinder in the clutch release slave cylinder, electromagnet is fixed on the excircle of clutch release slave cylinder, the internal diameter of N+1 annular disc is greater than the external diameter of damping rod and leave the gap that magnetic flow liquid flows, the external diameter of N+1 annular disc is less than the internal diameter of clutch release slave cylinder and leave the gap that magnetic flow liquid flows, the external diameter of the odd number annular disc in N+1 annular disc is also greater than the external diameter of annular air-pocket, annular air-pocket is the ring that is made of macromolecular material, in annular air-pocket, be filled with the gas of certain pressure, the internal diameter of annular air-pocket is greater than the external diameter of damping rod and leave the annular air-pocket distortion and the mobile gap of magnetic flow liquid, the external diameter of annular air-pocket is less than the internal diameter of clutch release slave cylinder and leave the annular air-pocket distortion and the mobile gap of magnetic flow liquid, also is provided with at least one exhaust hole on the upper end cap of clutch release slave cylinder.
Function of the present utility model is achieved in that the of the present utility model pair of vertical vibration damper of rod annular air-pocket adopts vertical installation and make load and upper damping rod is fixed, lower damping rod and pedestal are fixed, when load causes the downward vibration of upper damping rod, be fixed on N/2 annular disc and N/2+1 the annular disc acting in conjunction that is fixed on the lower damping rod on the damping rod, the annular air-pocket that is fixed between each annular disc is compressed or stretches, because being filled with the gas of certain pressure in the annular air-pocket, and annular air-pocket is made of macromolecular material, therefore, annular air-pocket will make annular air-pocket generation distortion to a certain degree when being compressed or stretch, the distortion of annular air-pocket will be pushed the magnetic flow liquid of (namely in the clutch release slave cylinder) around it, the liquid level height variation that annular air-pocket deforms and also can cause magnetic flow liquid in the clutch release slave cylinder, when the liquid level height of magnetic flow liquid in the clutch release slave cylinder changed, the air of magnetorheological liquid level top can pass in and out by the exhaust port on the upper end cap in the clutch release slave cylinder; When the electromagnet on the clutch release slave cylinder excircle is not switched on, the viscosity of the magnetic flow liquid in the clutch release slave cylinder is very low, when load causes that upper damping rod vibrates downwards, upper and lower damping rod is by each annular disc on it, make each annular air-pocket between each annular disc produce distortion and the damping force that produces when pushing the magnetic flow liquid of (that is: in the clutch release slave cylinder) around it less; After the electromagnet on the clutch release slave cylinder excircle passes into electric current, electromagnet on the clutch release slave cylinder excircle will generate an electromagnetic field, this electromagnetic field uprises the viscosity of the magnetic flow liquid in the clutch release slave cylinder, like this, when load causes that upper damping rod vibrates downwards, on, lower damping rod is by each annular disc on it, the damping force that makes each annular air-pocket between each annular disc produce distortion and produce when pushing the magnetic flow liquid of (that is: in the clutch release slave cylinder) around it is just larger, therefore, enter the size of current in the electromagnet on the clutch release slave cylinder excircle by adjustment, it is the damping force size of the of the present utility model pair of magnetorheological vertical vibration damper of rod air sac type of capable of regulating, thereby reduced the vibration of load, tell on repeats no more with above-mentioned opposite herein when load causes upwards vibrating of upper damping rod.
Compare with existing inflatable vibration damper, the of the present utility model pair of vertical vibration damper of rod annular air-pocket, because not only coming the rigidity of continuous setup air bag to carry out " active damping " by the field current size of adjusting its electromagnet, but also can adjust its bearing capacity by the quantity of annular air-pocket and annular disc in the adjustment clutch release slave cylinder, can be applicable to different vibration damping occasions and satisfy different instrument vibration damping demands, make the using scope of two magnetorheological vertical vibration dampers of rod air sac type obtain expanding.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 be Fig. 1 A to sectional view.
Fig. 3 is a kind of schematic representation of the utility model when work.
Fig. 4 is a kind of schematic representation of the utility model when using.
Fig. 5 is the utility model when working as N=4, that is: a kind of structural representation of 4 annular air-pockets and 5 annular disc is installed in the clutch release slave cylinder.
Embodiment
Describe structure of the present utility model in detail below in conjunction with accompanying drawing:
Referring to Fig. 1 and Fig. 2, this is a kind of concrete structure of the utility model (when N=2), a kind of pair of rod annular air-pocket vibration damper, it comprises the clutch release slave cylinder 5 that is made of non-magnet_conductible material, electromagnet 9, the upper damping rod 2 that is consisted of by non-magnet_conductible material and the lower damping rod 13 that is consisted of by non-magnet_conductible material, 2 annular air-pockets and 3 annular disc that consisted of by non-magnet_conductible material, wherein: clutch release slave cylinder 5 is by cylindrical shape 7 and upper end cap 4, lower end cap 15 consists of, center at upper end cap 4 is porose, sliding bearing 3 is installed in the hole, center at lower end cap 15 is porose, and seal arrangement and sliding bearing 12 are installed in the hole; Annular air-pocket 18, annular air-pocket 16, the annular disc 11 that is consisted of by non-magnet_conductible material, annular disc 10, annular disc 19 is by coaxial fixing, 2 annular air-pockets are fixed between 3 annular disc, one end of lower damping rod 13 is fixing with first annular disc 11 by the radial spoke 14 that is made of non-magnet_conductible material first, first annular disc 11 in axial spoke by being made of non-magnet_conductible material 8 and the clutch release slave cylinder 5 and the external diameter of the 3rd annular disc 19 are fixed again, the internal diameter of second annular disc 10 in the radial spoke 6 of one end of upper damping rod 2 by being made of non-magnet_conductible material and the clutch release slave cylinder 5 is fixed, the other end of upper damping rod 2 upwards stretches out in clutch release slave cylinder 5 by the sliding bearing 3 of clutch release slave cylinder 5 upper end caps 4, seal arrangement and the sliding bearing 12 of the other end of lower damping rod 13 by clutch release slave cylinder 5 lower end caps 15 stretches out downwards from clutch release slave cylinder 5 is interior, liquid level height 21 at clutch release slave cylinder 5 interior injection magnetic flow liquids 20 will exceed the 3rd annular disc 19, leave certain spacing between the liquid level 21 of clutch release slave cylinder 5 interior magnetic flow liquids 20 and the clutch release slave cylinder 5 interior upper end caps 4, electromagnet 9 is fixed on the excircle of clutch release slave cylinder 5, the internal diameter of 3 annular disc is greater than the external diameter of damping rod 2 and damping rod 13 and leave the gap that magnetic flow liquid 20 flows, the external diameter of 3 annular disc is less than the internal diameter of clutch release slave cylinder 5 and leave the gap that magnetic flow liquid 20 flows, first annular disc 11 in 3 annular disc and the external diameter of the 3rd annular disc 19 are also greater than the external diameter of annular air-pocket 18 and annular air-pocket 16, annular air-pocket 18 and annular air-pocket 16 are the rings that are made of macromolecular material, in annular air-pocket 18 and annular air-pocket 16, be filled with the gas of certain pressure, the internal diameter of annular air-pocket 18 and annular air-pocket 16 is greater than the external diameter of damping rod 2 and damping rod 13 and leave annular air-pocket 18 and gap that annular air-pocket 16 distortion and magnetic flow liquid 20 are mobile, the external diameter of annular air-pocket 18 and annular air-pocket 16 is less than the internal diameter of clutch release slave cylinder 5 and leave annular air-pocket 18 and gap that annular air-pocket 16 distortion and magnetic flow liquid 20 are mobile, also is provided with at least one exhaust hole 1 on the upper end cap 4 of clutch release slave cylinder 5.
Being connected the working state of a kind of pair of vertical vibration damper of rod annular air-pocket of the present utility model when using with Fig. 4 below in conjunction with accompanying drawing 3 is described: control power supply 23 is connected with electromagnet 9 by wire 22 and (sees for details: Fig. 3), be fixed on the upper damping rod 2 of four two vertical vibration dampers 5 of rod annular air-pocket on four pin of instrument 24 by flange disc 25, lower damping rod 13 is fixed on the pedestal by flange disc 26, and the clutch release slave cylinder 5 of four two vertical vibration dampers 5 of rod annular air-pocket is fixed on the pedestal by support 27 and (sees for details: Fig. 4);
When controlling power supply 23 less than electromagnet 9 output current on clutch release slave cylinder 5 excircles, the viscosity of the magnetic flow liquid 20 in the clutch release slave cylinder 5 is very low, when instrument 24 causes damping rod 2 vibration downwards, damping rod 2 will drive second annular disc 10 and move downward, because of the upper end of annular air-pocket 18 be adhesively fixed on the 3rd annular disc 19 below, the lower end of annular air-pocket 18 be adhesively fixed on second annular disc 10 above, the upper end of annular air-pocket 16 be adhesively fixed on second annular disc 10 below, the lower end of annular air-pocket 16 be adhesively fixed on first annular disc 11 above, so, when damping rod 2 will drive second annular disc 10 and move downward, to make annular air-pocket 18 be subject to tensile buckling and make annular air-pocket 16 be compressed distortion, the damping force that produces when making the magnetic flow liquid 20 in the extruding clutch release slave cylinder 5 after annular air-pocket 18 and annular air-pocket 16 distortion is less; Behind electromagnet 9 output currents of control power supply 23 on clutch release slave cylinder 5 excircles, electromagnet 9 on clutch release slave cylinder 5 excircles will generate an electromagnetic field, this electromagnetic field uprises the viscosity of the magnetic flow liquid 20 in the clutch release slave cylinder 5, like this, when instrument 24 causes damping rod 2 vibration downwards, the damping force that damping rod 2 produces when making annular air-pocket 18 and annular air-pocket 16 produce the higher magnetic flow liquid 20 of distortion and extruding clutch release slave cylinder 5 interior viscosity is just larger, therefore, enter the size of current in the electromagnet 9 on clutch release slave cylinder 5 excircles by adjustment, it is the damping force size of the of the present utility model pair of vertical vibration damper of rod annular air-pocket of capable of regulating, thereby the vibration of lowering apparatus 24, tell on repeats no more with above-mentioned opposite herein when instrument 24 causes upwards vibrating of damping rod 2.
Claims (5)
1. two rod annular air-pocket vibration damper, it comprises clutch release slave cylinder, electromagnet, upper and lower two damping rods, a N annular air-pocket and N+1 annular disc, it is characterized in that: described clutch release slave cylinder is cylindrical shape, upper/lower terminal at clutch release slave cylinder all is fixed with end cap, center at upper end cap is porose, sliding bearing is installed in the hole, porose at the center of lower end cap, seal arrangement and sliding bearing are installed in the hole; A described N annular air-pocket and N+1 annular disc are fixed between N+1 the annular disc N annular air-pocket by coaxial fixing, and N is even number; One end of described lower damping rod is fixed by the external diameter of the annular disc of all odd numbers in axial spoke and the clutch release slave cylinder, one end of upper damping rod is fixed by the internal diameter of all even number annular disc in radial spoke and the clutch release slave cylinder, the other end of upper damping rod stretches out in clutch release slave cylinder by the sliding bearing of the upper end cap of clutch release slave cylinder, the other end of lower damping rod stretches out in clutch release slave cylinder by seal arrangement and the sliding bearing of the lower end cap of clutch release slave cylinder, the liquid level height that injects magnetic flow liquid in clutch release slave cylinder will exceed N+1 annular disc, leave certain spacing between the upper end cap in the liquid level of magnetic flow liquid and the clutch release slave cylinder in the clutch release slave cylinder, electromagnet is fixed on the excircle of clutch release slave cylinder.
2. a kind of pair of rod annular air-pocket vibration damper as claimed in claim 1, it is characterized in that: the internal diameter of a described N+1 annular disc is greater than the external diameter of damping rod and leave the gap that magnetic flow liquid flows, the external diameter of N+1 annular disc is less than the internal diameter of clutch release slave cylinder and leave the gap that magnetic flow liquid flows, and the external diameter of the odd number annular disc in N+1 annular disc is also greater than the external diameter of even number annular disc and the external diameter of annular air-pocket.
3. a kind of pair of rod annular air-pocket vibration damper as claimed in claim 1, it is characterized in that: described annular air-pocket is the ring that is made of macromolecular material, in annular air-pocket, be filled with the gas of certain pressure, the internal diameter of annular air-pocket is greater than the external diameter of damping rod and leave the annular air-pocket distortion and gap that magnetic flow liquid flows, and the external diameter of annular air-pocket is less than the internal diameter of clutch release slave cylinder and leave the annular air-pocket distortion and the mobile gap of magnetic flow liquid.
4. a kind of pair of rod annular air-pocket vibration damper as claimed in claim 1, it is characterized in that: described clutch release slave cylinder, annular disc, spoke and damping rod are made of non-magnet_conductible material.
5. a kind of pair of rod annular air-pocket vibration damper as claimed in claim 1 is characterized in that: also be provided with at least one exhaust hole on the upper end cap of described clutch release slave cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220500249 CN202851776U (en) | 2012-09-28 | 2012-09-28 | Double-rod annular air bag vertical type absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220500249 CN202851776U (en) | 2012-09-28 | 2012-09-28 | Double-rod annular air bag vertical type absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202851776U true CN202851776U (en) | 2013-04-03 |
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ID=47982982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220500249 Expired - Fee Related CN202851776U (en) | 2012-09-28 | 2012-09-28 | Double-rod annular air bag vertical type absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202851776U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853016A (en) * | 2012-09-28 | 2013-01-02 | 谢宁 | Double-outgoing rod annular air bag vertical-type absorber |
-
2012
- 2012-09-28 CN CN 201220500249 patent/CN202851776U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853016A (en) * | 2012-09-28 | 2013-01-02 | 谢宁 | Double-outgoing rod annular air bag vertical-type absorber |
| CN102853016B (en) * | 2012-09-28 | 2014-07-16 | 谢宁 | Double-outgoing rod annular air bag vertical-type absorber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20130928 |