CN1165256A - Steel spring air damping absorber and horizontal damping device - Google Patents
Steel spring air damping absorber and horizontal damping device Download PDFInfo
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Abstract
A vibration damper has a sealed air chamber composed of top and bottom supporting bodies and flexible bag. A damping tube communicated to atmosphere is on its wall. There are steel spring and integral connecting-rod for regulating spring length between two supporting bodies. A horizontal attenuator is installed between internal and external cylinders which are extended from top and bottom supporting bodies of vibration damper and composed of chamber with flexible bag, elastic reset part and attenuating tube. It is fixed to one of cylinders and is in touch with another via friction-reducing mechanism and regulation mechanism. The free vibration frequency in vertical and horizontal directions is 2-3.5 Hz. The damping ratio is 0.07-0.15. Its advantages are simple structure, stable performance and long service life.
Description
The present invention relates to air-damped vibration damper and horizontal damping device, particularly make the vibration damper and the horizontal damping device of air chamber with flexible pocket.
Vibration damper is widely used in fields such as aviation, boats and ships, mine, metallurgy, building, precision type instrument, Transport Machinery, and wherein pneumatic spring is a kind of of comparatively advanced person.Pneumatic spring is by upper and lower supporting mass and be connected the air chamber that flexible pocket between the upper and lower supporting mass is formed sealing, damp tube is housed on air chamber wall communicates with auxiliary chamber.The advantage of pneumatic spring is: the natural frequency of vibration is low, Yang Nida, and anti-vibration performance is good.But pneumatic spring also has shortcoming: complex structure, need special configuration compressed air gas source, complicated gas circuit and control system, thereby price height, floor space are big, and use and limited to.Produce the resonance phenomenon of substantially horizontal for equipment that needs vibration isolation and basis thereof because of the effect that often is subjected to extraneous horizontal force, this must be overcome for many strict occasions.Horizontal damping can suppress the horizontal resonance effect and the shock effect on device for vibration insutation and basis thereof effectively.The very little effective horizontal damping device of at present still unmatchful vertical vibration influence.Existing pneumatic spring has the horizontal damping effect, but damping value is less, can not satisfy the demand.
The objective of the invention is the deficiency that exists at pneumatic spring, provide a kind of have the frequency damping characteristic and pneumatic spring approaching, but structure tube list, accommodation is wider, cost is low, the steel spring air damping absorber series product that the life-span is longer.And according to same principle and the design a kind of horizontal damping device that can effectively stop horizontal impact and resonance effect is provided, with the supporting use of vibration damper, make vibration damper series product with three-dimensional damping, existing good microvibration-preventing performance again can anti-macroseism.
Purpose of the present invention can realize by following measure.
This steel spring air damping absorber has upper and lower supporting mass and is connected flexible pocket between the supporting mass, upper and lower supporting mass and the flexible pocket formation air chamber that is tightly connected, damp tube is arranged on the air chamber wall, its characteristics are to be equipped with between the upper and lower supporting mass 1 or 1 above steel spring or cluster spring and Regulation spring length and upper and lower supporting mass are connected to whole connecting rod, pass upper and lower supporting mass place at connecting rod and be provided with sealing configuration, the damp tube on the air chamber wall is an elongated air-flow path that leads to atmosphere.Flexible pocket is a cydariform or mushroom, and the neck of its straight-tube shape matches with the cylindrical surface that the supporting mass end face axial is extended, and can move axially adjusting.The pressure spring of steel spring or cluster spring or cluster spring also can be extension spring or cluster spring.The connecting rod of pressure spring passes the sealing configuration at upper and lower supporting mass place, is to leave the space that guarantees working stroke on supporting mass, and sealed cover is installed; The connecting rod of extension spring passes the supporting mass end, seal ring is installed or is coated with sealer.Ratio 〉=5 of the Kong Changyu hydraulic diameter of damp tube, the quantity of damp tube adopts more than 1 or 1, can regulate its quantity according to the damping needs.For making vibration damper have good anti-seismic performance, vibration damper be provided with bumper guard up and down between the supporting mass, be a cushion pad for pressure spring, then be the drag-line that one or two ring interlocks for extension spring.
Can realize by following measure according to the horizontal damping device that same inventive concept is designed.This horizontal damping device, vibration damper supporting mass end face up and down extends inside and outside cylinder, the horizontal damping device of between inside and outside cylinder, installing, its characteristics are that damper is fixed on the cylinder, by the side pressure antifriction mechanism, controlling mechanism is against another cylinder surface, damper by flexible pocket with the capsule seat or directly become chamber with the cylinder sealing group, flexible reposition element between two relative removable walls of chamber, have on the chamber wall and lead to another chamber or lead to outdoor damp tube, the side pressure antifriction mechanism is by the rigid support seat, rolling element is formed, the rigid support seat is fixed on the flexible pocket and is connecting rolling element, regulate the controlling mechanism of side pressure antifriction mechanism and directly be adjusting cushion block or screw pair to the position, the rolling element of side pressure antifriction mechanism also can be slide blocks, and the surface of contact of this slide blocks and cushion block is smooth to the flat surface grinding.The chamber of damper also can be that an annular flexible pocket along the circumferential direction is separated with rib, and flexible pocket and cylinder are tightly connected.Chamber can also be that annular flexible pocket and cylinder face seal connect to form, in capsule, fill elasticity porous or elongated tubular product such material, air mobile equivalent damping pipe in the filler hole plays damping function, and this annular flexible pocket also can be the flexible pipe coiled coil of closed at both ends and be fixed on the cylinder.Chamber also can be made up of cylinder, piston and elastic sealing ring, and cylinder is fixed on the cylinder, the rigid support seat of piston double as side pressure antifriction mechanism.The elastic reset member of damper for the flexible pocket made by elastic material, be contained in the spring between the chamber two relative removable walls and be filled in more than the elasticity in the chamber or the elongated tubular product such material, can select for use wherein a kind ofly, also can be their combination.Resisting medium in the chamber is air or liquid.When horizontal damping device of the present invention was used for equipment, equipment or equipment base side can be used as the inner barrel surface of supporting mass, and basic or basic case is as supporting mass outer cylinder body surface, and between is installed horizontal damping device.
Air damping vibration damper of the present invention is similar to pneumatic spring, but the working principle difference.Pneumatic spring is the closed system of a dual cavity, damp tube is located between two chambers, realize spring and damping function with pressurized air, its dynamic characteristic is main relevant with displacement, it is the function of displacement, the influence of vibration velocity is not considered usually, is the mechanical model that a spring and damper parallel connection add the dual free dimension of connecting; And steel spring air damping absorber of the present invention is the open system of a single chamber, air is only realized damping function, the dynamic characteristic of air damper is main relevant with vibration velocity, the influence of displacement can be ignored, be that damping and additional dynamic stiffness all are the functions of vibration velocity, air does not bear pressure, and load is all born by steel spring, is a single-degree-of-freedom mechanical model that air damper is in parallel with steel spring.After the present invention adopts the steel spring bearing load, cancelled used source of compressed air, auxiliary chamber, filtration and control gear and a whole set of the complicated air-channel system of pneumatic spring, both can do pressure-bearing type, can do the formula of bearing again, simple structure, cost is low, has enlarged application area, has saved daily use and maintenance expenses.Flexible pocket is worked under the microstress state, need not adopt high-strength cord, has simplified manufacturing process, has prolonged working life, the easier solution of sealing problem.Steel spring and as the air of resisting medium is not subjected to ambient temperature, humidity effect, so the stable performance of vibration damper, long service life.The damping of pneumatic spring is to exceed several times pressurized air by density than normal atmospheric to provide, the present invention is by theoretical research and experimental verification to air damper working principle and mechanical model, the pressure reduction that utilizes single chamber open system damp tube two ends is bigger than pneumatic spring, thereby the big characteristic of flow velocity, adopt many elongated damp tubes to replace single throttle orifice simultaneously, make low-density atmosphere still obtain comparatively ideal air damping characteristic; Adopt the prestressed connecting rod of adjustable flexible pocket and adjustable springs to adapt to the large deformation needs of spring, make vibration damper have the low frequency characteristic approaching with pneumatic spring.The sound ratio of rigidity of this vibration damper increases with the increase of vibration velocity, sees Figure 21, thereby has the change stiffness characteristics, can more effectively suppress resonance and shock effect.Bumper guard in the vibration damper rises when macroseism and cushions attenuation for the second time, therefore has good anti-macroseism performance again.The theoretical analysis and verification experimental verification, above-mentioned vibration damper can be selected arbitrarily in the 2-5Hz scope in the natural frequency of vibration under the working load effect, the minimum 1.5Hz that reaches, the bearing capacity 0.1-100KN of series product, Vertical direction natural frequency of vibration 2-3.5Hz under the working load, damping ratio 0.08-0.15 sees embodiment 2 and Figure 22.Can be widely used in the vibration isolation of various vibratory equipments such as blower fan, pump, compressor, forging hammer, vibrating sieve and precision equipment instrument.
Adopt the horizontal damping device of principle of uniformity and the horizontal damping device that the side pressure antifriction mechanism is formed, the advantage that still has the steel spring air damping device, can be supporting with various vibration dampers, make vibration damper have good horizontal damping characteristic and less to the influence of the dynamic characteristic of Vertical direction, the horizontal rigidity that can improve vibration damper has improved lateral stability more than 30%.Under the nominal operating condition, play and suppress substantially horizontal resonance and shock effect effect, guarantee the equipment proper functioning and eliminate the influence of vibration to environment, play buffering and attenuation during macroseism, protection equipment is avoided damaging.The three-dimensional damping steel spring air damping absorber series product that horizontal damping device and steel spring air damping absorber are formed, under the working load effect, the natural frequency of vibration vertical and substantially horizontal is 2-3.5Hz, damping ratio 0.07-0.15, premium properties with two-way vibration isolation is seen embodiment 5 and Figure 23,24.
Description of drawings:
Fig. 1 is the steel spring air damping absorber structural representation.
Fig. 2 is an extended type steel spring air damping absorber structural representation.
Fig. 3 is a mushroom flexible pocket steel spring air damping absorber structural representation.
Fig. 4 is a suspension type steel spring air damping absorber structural representation.
Fig. 5 is the horizontal damping device structural representation supporting with vibration damper
Fig. 6 is the plan view of Fig. 5.
Fig. 7 is separated into the horizontal damping device structural representation of independent little air chamber for annular flexible pocket.
Fig. 8 is the plan view of Fig. 7.
Fig. 9 is the horizontal damping device structural representation of filling elastic porous material or tubular material in the flexible pocket.
Figure 10 is the plan view of Fig. 9.
Figure 11 twines and is fixed on the cylindrical shell for flexible pipe, fills the horizontal damping device structural representation of elastic porous material or tubular material in the pipe.
Figure 12 is a cylinder piston type horizontal damping device schematic representation.
Figure 13 is the horizontal damping device schematic representation that has liquid storage tank.
Figure 14 is for adopting the side pressure antifriction mechanism schematic representation of steel ball.
Figure 15 is guide-roller type (or bearing type) side pressure antifriction mechanism schematic representation.
Figure 16 is the damper structure schematic representation of horizontal damping device and steel spring air damping absorber combination.
Figure 17 is the horizontal damping device structural representation that is arranged on pneumatic spring inside.
Figure 18 is horizontal damping device and pneumatic spring combination, is arranged on the structural representation of pneumatic spring outside.
Figure 19 is the horizontal damping device structural type schematic representation that is installed in the vibration insulating foundation.
Figure 20 is directly installed on another kind of structural type schematic representation in the vibration insulating foundation for horizontal damping device.
The experimental curve diagram that Figure 21 increases with the vibration speed end for steel spring air damping absorber sound ratio of rigidity.
Figure 22 is a kind of steel spring air damping absorber, with the vibration attenuation curve of self-vibration method actual measurement.
Figure 23 is furnished with the horizontal vibration decay curve of the cloudy Buddhist nun's vibration damper of three-dimensional damping steel spring air of horizontal air damping device with the actual measurement of self-vibration method.
Figure 24 is furnished with the vertical vibration decay curve of the three-dimensional damping steel spring air damping absorber of horizontal damping device with the actual measurement of self-vibration method.
Embodiments of the present invention is further illustrated below in conjunction with accompanying drawing.
Embodiment 1: the basic model steel spring air damping absorber, see Fig. 1.In upper and lower supporting mass (1,5) side suit flexible pocket (4).Flexible pocket is made by rubber, and also available plastics or metallic film composite material etc. have the air-locked again material of flexibility.The suit mating face will seal, and is bonding or fixing by clip (2) by seal groove.Like this, upper and lower supporting mass and flexible pocket are formed the air chamber of sealing.The damp tube (9) that leads to atmosphere, be located at and cover, quantity is one or more, different operating situation during according to use can be regulated, to reach needed damping value, damp tube is made the back with elongated metal tube or plastic tube to be changeed and mixes, also can directly processing on part, and ratio 〉=5 of positive Buddhist nun's length of tube and hydraulic diameter.Steel spring or cluster spring (6) are housed between upper and lower supporting mass, use helical compression spring, one or more groups is determined to establish in groups as required in the single spring or the inside and outside spring coupling Room, the Room.Supporting mass is provided with shrinkage pool, connecting rod (8) passes from shrinkage pool and parts such as upper and lower supporting mass, steel spring is linked to be integral body and by nut or there is the pin-and-hole of level to adjust the precompressed height of spring, shrinkage pool size on the supporting mass, the degree of depth must guarantee the activity space at vibration damper working stroke scope inside connecting rod, add sealing cover or sealing plug (7) at end face.Damage for the anti-flexible pocket that goes up, be provided with shell (1a).The bumper guard (3) that is located between the upper and lower supporting mass is the cushion pad made from rubber, plays buffer function for the second time when macroseism.The natural frequency of vibration of this vibration damper under working load is 3-5Hz, damping ratio 0.5-0.1.Be mainly used in the basic vibration isolation of various vibratory equipments such as blower fan, pump, compressor, vibrating sieve, forging hammer and precision equipment, instrument.
Embodiment 2: the extended type steel spring air damping absorber, see Fig. 2.Flexible pocket (4) increases the neck (4a) of band straight-tube shape, and it is sleeved on the axially extended cylindrical surface of supporting mass (5) (5a).Load scope at vibration damper is big, when stroke is big, can upper and lower mobile flexible pocket neck (4a), and make flexible pocket be in a kind of normal working, unlikely being drawn stretched oversizely or is compressed too shortly.Adjust behind the height fixingly, move when avoiding vibrating and leak gas with fastening hoop (2a).The natural frequency of vibration of this vibration damper is lower, and the bearing capacity of series product is 0.1-100KN, and the natural frequency of vibration is 2-3.5Hz, and damping ratio is 0.07-0.15, and dynamic and static ratio of rigidity is 1.1-1.3.Figure 22 is the self-vibration decay curve of the Vertical direction of this vibration damper actual measurement, the natural frequency of vibration is 2.53Hz, and damping ratio is 0.1, and dynamic stiffness is 1.2 with the ratio of the quiet rigidity of spring, simultaneously that the vibration damper horizontal rigidity is improved is about 20% for flexible pocket, and the vibration damper lateral stability is had certain humidification.Except that example 1 described purposes, also can be used for the precision equipment basis vibration isolation of slow-speed of revolution equipment and requirements at the higher level.
Embodiment 3: another kind of roller elongated steel spring air damping absorber, see Fig. 3.Different with example 2 is: its adopts the cluster spring (6) of series connection up and down, and pallet (10) is established in the centre, also can adopt tapered coil spring, and is young a lot of under the ratio suitable for reading of flexible pocket (4), becomes mushroom, can further reduce the rigidity of flexible pocket and vibration damper.
Embodiment 4: suspension type steel spring air damping absorber or vibration damping suspension hook, see Fig. 4.Its feature is except that the structure with example 1, example 2 same principle, and its spring (6) is an extension spring.Be fixed on the connecting rod (8) of spring one end, pass supporting mass end face prestretching spring, and between supporting mass and connecting rod, use the prestretching length of spacer (11) Regulation spring.Connecting rod passes the supporting mass end, adopts seal ring (7b) or is coated with sealer and realize sealing.Fixed derrick on the supporting mass (12), also available connecting rod (8) is directly as suspension rod.Be provided with bumper guard (3) up and down between the supporting mass, adopt wire rope to make the drag-line two ends that two rings interlock and be fixed on the supporting mass.The performance of this underslung steel spring air damping absorber is identical with routine 1-example 3 supporteds, is mainly used in pipeline elevator vibration isolation and suspension type vibration insulating foundation.
Embodiment 5: the flat damping device of steel spring air damping absorber water distribution, composition three is Buddhist nun's steel spring air damping absorber on the sunny side, sees Figure 16.Except that with example 1 to the same configuration of example 3, the structure of horizontal damping device is: flexible pocket (21) is that an annular flexible capsule (21a) along the circumferential direction is separated with rib (21b), identical with flexible pocket (4) material, being combined into one becomes a composite and flexible capsule, formation is arranged in the chamber of several sealings on the endless belt, be full of air in the chamber, air pressure is identical with chamber barometric pressure outward.Damp tube (25) is located on the rib (21b), and damp tube just has been communicated with each chamber from circumferential direction like this, then adds dust-tight filter screen (29) in the damp tube outlet port as straight-through atmosphere.Elastic recoil element (26) is a rubber-like flexible pocket (21a) self, and its elastic force should be greater than damping force.A rigid support seat (22) is all arranged on the flexible pocket of each chamber correspondence, flexible pocket with pre-processed back of metallic material and rubber system is sulfided into integral body, on this supporting base, be fixed with ball bowl (23b), the rolling element of side pressure antifriction mechanism is steel ball (23a), steel ball is contained in the ball bowl, it is loose fit, and be against cushion block (24) surface, cushion block is fixed on another cylindrical shell (1a), see Figure 14, ball bowl and cushion block adopt the wear-resisting again made of good rigidly, as metal, duroplastss etc. have good degree of finish after the shaping, when Vertical direction with horizontal tangential is little when shaking that steel ball rolls in the ball bowl, when surpassing critical value, amplitude becomes slip, and therefore little to Vertical direction and horizontal tangential influence.Evenly have an effect for making each horizontal damping device, can regulate the thickness or the additional pad of cushion block (24), also can adopt the horizontal position of the method fine setting cylindrical shell of adjustable diameter and screw adjusting, to regulate the radial position of side pressure antifriction mechanism, unlikely and cylindrical shell breaks away from or kills, and makes the precompressed amount suitable evenly.The performance of this vibration damper series product is 2-3.5Hz in the natural frequency of vibration of the sagging direct sum substantially horizontal of working load effect, minimum can be less than 2Hz, damping ratio 0.07-0.15 has the premium properties of two-way vibration isolation.Figure 23 is the horizontal free vibration decay curve of the three-dimensional damping steel spring air damping absorber actual measurement that matches with embodiment 2 of this horizontal damping device, and the natural frequency of vibration is 2.73Hz, and damping ratio is 0.08Hz.Figure 24 is the Vertical direction free vibration decay curve of its actual measurement, and the natural frequency of vibration is 2.83Hz, damping ratio 0.125.With example 2 relatively, add horizontal damping device after, it is about 25% that the dynamic stiffness of Vertical direction and damping all improve, the dynamic stiffness of substantially horizontal has improved 82%, quiet rigidity has improved about 40%.The raising of substantially horizontal rigidity has improved vibration damper lateral stability and anti-macroseism performance.Composite and flexible capsule cancellation rib (21b) and damp tube (25) in this example, and replace filling sponge body (25a) in the chamber of an annular flexible pocket (21a) and inner core (4a) portion composition, all the other are constant, and test result is approaching.The rolling element of side pressure antifriction mechanism adopts guide wheel or bearing (23c), sees Figure 15, and effect is also fine, and it is smooth during to the flat surface grinding to adopt slide blocks and cushion block (24) to be made into mutually, effective when the Vertical direction amplitude is big, when amplitude is very little then greatly to vertical dynamic stiffness influence.Air in the horizontal damping device air chamber is changed to liquid, and adjusts damp tube and elastic recoil component parameters according to the viscosity of liquid, its horizontal damping increases, and the influence to vertical stiffness simultaneously also increases.
Embodiment 6: horizontal damping device cooperates with other spring cushion, makes original spring cushion have horizontal damping, sees Fig. 5-Figure 11.With original shock-absorber shaft to extending inside and outside cylindrical shell (1a, 5a), horizontal damping device is arranged between these two cylindrical shells, and the material of flexible pocket (21) is identical with example 5 with processing method and example 1, when its elastic force deficiency, in the time of can not satisfying the elastic reset requirement, available spring increases rigidity.Flexible pocket (21) is connected sealing structure chamber with capsule seat (27), and fastening with fastening piece (28), and the capsule seat is fixed on the cylindrical shell, and it also can be a cylindrical shell self.The damp tube that is communicated with atmosphere (25) adopts elongated metal tube or moulds kind of a pipe and is fixed on the chamber wall, also can on capsule seat (27), process measure-alike or equivalent elongated hole or groove, add the oral area of expansion in its outlet port and cover filter screen (29), see Fig. 5, also damp tube can be inserted the annular pass or be interconnected anti-method better effects if.All the other structures are identical with example 5.Adopt annular flexible capsule structure, see Fig. 7-11, act on identical with effect.After vibration damper is joined this horizontal air damping device, Vertical direction dynamic stiffness and damping ratio slightly improve, dynamic and static rigidity of substantially horizontal and damping ratio improve very big, it is relevant with concrete structure to improve the width of cloth, to vertical and substantially horizontal rigidity suitable, the vibration damper of the natural frequency of vibration in the 2-3.5Hz scope under the working load effect, increase rate is suitable with example 5.Resisting medium selects for use liquid can improve damping value.
Embodiment 7: the flexible bladder type air chamber structure of the horizontal damping device of example 6 changes the cylinder piston type structure into, see Figure 12, cylinder (30) is smooth with the slip surface of piston (22a), adopt seal ring (31) sealing of elastic self-lubricating, elastic reset member (26) adopts spring, and positive Buddhist nun's pipe (25) is located on the cylinder wall, and a buffer gasket (32) is established in the bottom of cylinder, on fixed outer cylinder tube or the inner core, and the radial position of paying (30a) adjusting side pressure antifriction mechanism by spiral.Frictional damping is arranged when test result shows work, during little shaking the influence bigger, effect was better when amplitude was big.The resisting medium air is changed to liquid, and damp tube leads to liquid storage tank, and damping value improves, and sees Figure 13.
Embodiment 8: see Figure 17,18, horizontal damping device and pneumatic spring are supporting, improve the horizontal rigidity and the damping of air spring, improve the lateral stability of pneumatic spring.When the height between the upper and lower support plate of pneumatic spring is enough, horizontal damping device can be arranged on the inside of pneumatic spring, damp tube is located on the rib (21b), establish the slender pipe (33) that the 1-2 root is communicated with horizontal damping device chamber and pneumatic spring inner chamber again, make air pressure and the pneumostatic in the pneumatic spring in the horizontal damping device chamber press the maintenance balance, see Figure 17.When the pneumatic spring inner space was not enough, horizontal damping device can be arranged on the outside of pneumatic spring, sees Figure 18.
Embodiment 9: horizontal damping device (20) is directly installed in the vibration insulating foundation, with the performance that improves vibration insulating foundation substantially horizontal opposing resonance and impact, improves lateral stability.The horizontal damping device is arranged in the direction that needs horizontal damping in groups, be fixed on the vertical wall (1a) of plant bottom case (36), by side pressure anti-attrition mechanism precompressed damper, be against on basis seat, the basic case of supporting vibration damper, the vertical wall (5a) that flooring (37) stretches out perhaps installation conversely.Horizontal damping device can with vibration damper (35) be installed in side by side plant bottom case below, as Figure 19; The side direction that also can be installed between plant bottom case (36) and the basic case (37) is stayed in the seam, as Figure 20.The horizontal damping device can adopt single flexible capsule formula structure or piston cylinder operator, the side pressure antifriction mechanism adopts rolling element also can adopt slide blocks, select according to the requirement that vertical vibration is influenced size, the precompressed amount of damper is regulated with the position of the link of the thickness of regulating cushion block (24) or moving belt vertical walls (5a).
Claims (10)
1. steel spring air damping absorber, supporting mass (1,5) is up and down arranged and be connected flexible pocket (4) between the supporting mass, upper and lower supporting mass and the flexible pocket formation air chamber that is tightly connected, damp tube (9) is arranged on air chamber wall, it is characterized in that being equipped with between the upper and lower supporting mass 1 or 1 above steel spring or cluster spring (6) and Regulation spring length and upper and lower supporting mass is connected to whole connecting rod (8), pass upper and lower supporting mass place at connecting rod and be provided with sealing configuration, the damp tube on the air chamber wall is an elongated air-flow path that leads to atmosphere.
2. vibration damper according to claim 1 is characterized in that described flexible pocket (4) is that cydariform or profile are mushroom, and the neck of its straight-tube shape (4a) matches with the cylindrical surface (5a) that the supporting mass end face axial is extended, and can move axially adjusting.
3. vibration damper according to claim 1 and 2 is characterized in that steel spring or cluster spring are that pressure spring or cluster spring also can be extension spring or cluster spring.
4. vibration damper according to claim 1 and 2, it is characterized in that the connecting rod (8) of pressure spring passes the sealing configuration at upper and lower supporting mass place, be on supporting mass, to leave the space that guarantees working stroke, sealed cover is installed, the connecting rod of extension spring (8) passes the supporting mass end, seal ring is installed or is coated with sealer.
5. steel spring air damping absorber according to claim 1 and 2 is characterized in that ratio 〉=5 of the Kong Changyu hydraulic diameter of described damp tube, and the quantity of damp tube is more than 1 or 1.
6. horizontal damping device, on the vibration damper, lower support body end face extends inside and outside cylinder (1a, 5a), at inside and outside cylinder (1a, the horizontal damping device of installing 5a), it is characterized in that damper is fixed on the cylinder, by the side pressure antifriction mechanism, controlling mechanism is against another cylinder surface, damper by flexible pocket (21) with capsule seat (27) or directly become chamber with the cylinder sealing group, flexible reposition element (26) between two relative removable walls of chamber, have on the chamber wall and lead to another chamber or lead to outdoor damp tube (25), the side pressure antifriction mechanism is by rigid support seat (22), rolling element (23) is formed, the rigid support seat is fixed on the flexible pocket (21), and connecting rolling element, the controlling mechanism of regulating the radial position of side pressure antifriction mechanism is for regulating cushion block (24) or screw pair, described rolling element (23) also can be a slide blocks, and this slide blocks and cushion block (24) adopt smooth to the flat surface grinding.
7. horizontal damping device according to claim 6, it is characterized in that described chamber is that an annular flexible capsule (21a) along the circumferential direction is separated with rib (21b), flexible pocket and cylinder are tightly connected, described chamber and damp tube also can be connected with the cylinder face seal or flexible pipe (21c) coiled coil of closed at both ends and being fixed on the cylindrical shell for an annular flexible capsule (21a), fill elasticity porous or elongated tubular product such material (25a) in the chamber, described chamber also can be by cylinder (30), piston (22a) and elastic sealing ring (31) are formed, cylinder is fixed on the cylinder, the attached property supporting base of piston double as side pressure antifriction mechanism.
8. put according to claim 6 or 7 described horizontal damping shapes, it is characterized in that the extended cylinder of described damper top bearing body also can be equipment or plant bottom case (36), the extended cylinder of lower support body is basis or basic case (37).
9. according to claim 6 or 7 described horizontal male Buddhist nun's devices, it is characterized in that described elastic reset member can be one of following three kinds of materials, also can be their combination:
1) flexible pocket of making by elastic material;
2) be contained in spring between chamber two relative removable walls;
3) be filled in chamber interior elasticity porous or elongated tubular product such material.
10. according to right 8 described horizontal damping devices, its feature can be one of following three kinds of materials in described elastic reset member, also can be their combination:
1) flexible pocket of making by elastic material;
2) be contained in spring between chamber two relative removable walls;
3) be filled in chamber interior elasticity porous or elongated tubular product such material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96107605A CN1065599C (en) | 1996-05-11 | 1996-05-11 | Steel spring air damping absorber and horizontal damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96107605A CN1065599C (en) | 1996-05-11 | 1996-05-11 | Steel spring air damping absorber and horizontal damping device |
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| Publication Number | Publication Date |
|---|---|
| CN1165256A true CN1165256A (en) | 1997-11-19 |
| CN1065599C CN1065599C (en) | 2001-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN96107605A Expired - Fee Related CN1065599C (en) | 1996-05-11 | 1996-05-11 | Steel spring air damping absorber and horizontal damping device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN87214606U (en) * | 1987-10-28 | 1988-10-12 | 铁道部科学研究院机车车辆研究所 | Air-damping valve regulating its height automatically |
| SU1587260A1 (en) * | 1988-12-19 | 1990-08-23 | А. С. Жмуденко и Г. М Лют | Vibration insulator |
| EP0439272B1 (en) * | 1990-01-20 | 1996-05-29 | Sumitomo Gomu Kogyo Kabushiki Kaisha | Vibration-proofing device |
| US5712783A (en) * | 1996-04-26 | 1998-01-27 | Lord Corporation | Control method for semi-active damper |
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