CN106523582B - Tension isolation mounting - Google Patents

Tension isolation mounting Download PDF

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Publication number
CN106523582B
CN106523582B CN201611255929.4A CN201611255929A CN106523582B CN 106523582 B CN106523582 B CN 106523582B CN 201611255929 A CN201611255929 A CN 201611255929A CN 106523582 B CN106523582 B CN 106523582B
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China
Prior art keywords
bearing plate
counter
isolation mounting
substrate
damping
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Application number
CN201611255929.4A
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CN106523582A (en
Inventor
尹学军
徐建
孔祥斐
王乾安
付学智
薛松
刘兴龙
刘永强
陈常福
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QINGDAO CREATE ENVIRONMENT CONTROL TECHNOLOGY CO LTD
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QINGDAO CREATE ENVIRONMENT CONTROL TECHNOLOGY CO LTD
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Priority to CN201611255929.4A priority Critical patent/CN106523582B/en
Publication of CN106523582A publication Critical patent/CN106523582A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/022Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/08Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
    • F16F15/085Use of both rubber and metal springs

Abstract

The invention belongs to vibration control field, more particularly to a kind of tension isolation mounting, including substrate and elastic supporting element, compression of metals spring is included in the elastic supporting element, also include back-pressure flexible member, counter and connector, middle force bearing plate and outside link plate are provided with connector, substrate is provided with connecting rod or housing, the bottom of connecting rod or housing is fixedly linked with substrate, counter and its locating part are arranged at the top of connecting rod or counter is fixedly installed on case top, the back-pressure flexible member is between counter and middle force bearing plate, the supporting flexible member is between middle force bearing plate and substrate;The present invention is simple in construction, can not only bear downward pressure, additionally it is possible to bear upward pulling force, vibration isolation efficiency is high, it is stable and reliable for performance, it can be widely applied in the elastic vibration isolation foundation engineering of various ship powers, industrial apparatus for rotating or rail traffic vehicles operation, there are wide market prospects.

Description

Tension isolation mounting
Technical field
The invention belongs to vibration control field, and in particular to a kind of vibration insolation means, particularly one kind can be widely used for track The isolation mounting of the vibration isolation such as floating plate railway roadbed, equipment or Equipment Foundations.
Background technology
In recent years, with the continuous propulsion that CHINESE INDUSTRIES upgrades, various large-scale impacts or apparatus for rotating are widely used in industry In production and commercial field, for example, it is various forge equipment, pressing equipment, nuclear power turbine-generator unit etc., meanwhile, these equipment The governing problem of caused vibration and noise also increasingly obtains the concern of people in operation process.At present, shaken for control is such Dynamic and noise problem, more using vibration isolation principle, vibrating isolation system is formed using mass and flexible member, places a device in vibration isolation system On system, caused vibration during equipment operation is consumed and isolated using vibrating isolation system, so as to realize reduce noise and Reduce the influence to external environment condition.In existing vibrating isolation system, vibrating isolation system of the steel spring vibration isolator as flexible member, due to tool Have the advantages that bearing capacity is big, vibration isolation efficiency is high, stable performance, service life is long is widely used in high-grade vibration isolation occasion.
But in such vibrating isolation system, the spring in steel spring vibration isolator will not only bear downward pressure, but also pass through Upward pulling force can often be born.By taking large-scale forging equipment as an example, during work, forging and stamping work department can be after applying impact to workpiece at once Lift, the impact that now workbench is subject to can be transferred on the steel spring vibration isolator below equipment, because forging and stamping work department applies Load be not continuous action on the table, therefore after steel spring vibration isolator compressive deformation can horse back resilience, and due to existing Steel spring vibration isolator can not typically bear upward pulling force, therefore light then insufficient pressure steel spring vibration isolator produces displacement, it is heavy then When recoiling to more than its free height jumping phenomena can occur for the spring members in steel spring vibration isolator, very strong when impacting When, it is possible to occur spring members bounce amplitude it is excessive, the situation that spring members are deviate from and toppled over from position limiting structure, this Kind situation can cause steel spring vibration isolator to lose partially or completely elastic bearing ability, influence equipment normal use and operation is pacified Entirely.
Equally, short prefabricated board is floating ballast bed there is also problems, when rail vehicle enter from one end it is fashionable, due to short prefabricated The lighter in weight of plate, seesaw effect can be produced, i.e., the other end of short prefabricated board has the trend being upturned, such as can not be effective Control, then the situation of insufficient pressure occurs in the steel spring vibration isolator positioned at short prefabricated board tilting side, easily causes short prefabricated The problems such as plate is shifted or the bounce of steel spring vibration isolator elastic element is deviate from or toppled, potential safety hazard is brought to daily operation.
In addition, there is also problems, when running into Strong Breezes Over wave, ship for the steel spring isolation mounting of ship power equipment Oceangoing ship, which can produce, acutely to be rocked, and ship power equipment is also inevitably rocked together, part steel spring isolation mounting institute when serious The load born may be released completely, spring members bounce abjection or situation about toppling over easily occurred, caused vibrating isolation system Failure, or even jeopardize the safety of ship power equipment.
In summary, market there is an urgent need to provide it is a kind of can not only bear downward pressure, can also bear upward The new isolation mounting of pulling force.
The content of the invention
It is an object of the invention to solve the above problems, there is provided a kind of to bear downward pressure, and can is enough born The tension isolation mounting of upward pulling force.
Tension isolation mounting of the present invention is achieved in that including substrate and elastic supporting element the elastic bearing is first Compression of metals spring, in addition to back-pressure flexible member, counter and connector are included in part, middle force bearing plate is provided with connector And outside link plate, substrate are provided with connecting rod or housing, the bottom of connecting rod or housing is fixedly linked with substrate, counter and its spacing Part is arranged at the top of connecting rod or counter is fixedly installed on case top, and the back-pressure flexible member is located at counter and centre Between force bearing plate, the supporting flexible member is between middle force bearing plate and substrate, and back-pressure flexible member is held to centre The force direction and elastic supporting element of power plate are in opposite direction to the supporting force of middle force bearing plate.
The back-pressure flexible member includes at least one compression spring, and compression spring one end is pressed in counter, another End compresses and acted on middle force bearing plate, and compression spring is to the force direction of middle force bearing plate and elastic supporting element It is in opposite direction to the supporting force of middle force bearing plate.The concrete form of the compression spring is varied, and it can be metal spiral The complex spring that spring, metal disc spring, spring made of high polymer material and above-mentioned metal spring are formed with high polymer material, The high polymer material specifically includes the materials such as rubber, elastic polyurethane and elastoplast.Limited for convenience of to back-pressure flexible member Position, the centering limited block of back-pressure flexible member is set in counter and middle force bearing plate respectively.As a same reason, for ease of to supporting Flexible member is spacing, can also on middle force bearing plate and substrate respectively set supporting flexible member to middle limited block.
To improve the system damping of tension isolation mounting of the present invention, can also between middle force bearing plate and substrate or/and Damping unit is set between counter and middle force bearing plate.The damping unit includes fluid pressure type damping unit, viscous damping fills Put, a variety of concrete forms such as electric eddy-current damping device, magnetorheological damping device and viscoelastic damping device.It is in addition it is also possible to straight It is connected in the chamber that counter, housing and substrate are formed and damping material is set, elastic supporting element is at least partially disposed in damping material In material.
In addition, attachment structure can also be set on outside link plate or/and substrate, it is connected with facilitating with external structure.It is described Attachment structure includes connecting hole, screw, connecting pin and buckle etc..
Tension isolation mounting of the present invention, by setting up counter and back-pressure flexible member, provided using back-pressure flexible member Back-pressure active force, offset elastic supporting element resilience caused by upward pulling force, the width for avoiding elastic supporting element from beating Spend big, the situation that elastic supporting element is deviate from and toppled over from position limiting structure, so as to ensure tension isolation mounting of the present invention Not only there is good bearing capacity, but also there is good tensile capacity, its working condition is more reliable and more stable, Ke Yiyou Effect ensures by the normal use of the equipment of vibration isolation or vehicle and safe for operation, certainly, in order to which above-mentioned purpose is better achieved, typically In the case of, certain pretightning force should be applied to back-pressure flexible member in advance, the pretightning force can be supported effectively as back-pressure active force Disappear or partial offset elastic supporting element resilience caused by upward pulling force.If it is to be particularly noted that back-pressure elasticity member The back-pressure active force of part makes whole or at least most of elastic supporting element realize pretension, into born external force and the pressure of itself Condense and move into the linear change stage of direct ratio, can eliminate or partially remove mismachining tolerance and rigging error to tension of the present invention every The influence of the system frequency of vibrating device, make its system frequency excursion smaller, ensure tension vibration isolation dress of the present invention The intrinsic frequency parameter put is in reasonable controllable levels all the time, and its vibration isolating effect also will be more reliable and more stable.To realize above-mentioned mesh , generally, the precommpression stroke of back-pressure flexible member should be greater than elastic supporting element maximum compression under working condition and become The 110% of shape amount.
Tension isolation mounting of the present invention, simple in construction, it can not only bear downward pressure, additionally it is possible to bear upward Pulling force, vibration isolation efficiency is high, and anti-vibration performance is more reliable and more stable, and security performance is more preferable, can be widely applied to various ship powers In the elastic vibration isolation foundation engineering of equipment, industrial apparatus for rotating or rail traffic vehicles operation, before there is wide market application Scape.
Brief description of the drawings
Fig. 1 is one of structural representation of tension isolation mounting of the present invention.
Fig. 2 is Fig. 1 A-A sectional views.
Fig. 3 is the structural representation of embodiment two.
Fig. 4 is the two of the structural representation of tension isolation mounting of the present invention.
Fig. 5 is Fig. 4 B-B sectional views.
Fig. 6 is one of structural representation of example IV.
Fig. 7 is one of structural representation of example IV.
Fig. 8 is one of structural representation of example IV.
Fig. 9 is the structural representation in embodiment five.
Figure 10 is the three of the structural representation of tension isolation mounting of the present invention.
Figure 11 is Figure 10 upward view.
Embodiment
Embodiment one
Tension isolation mounting of the present invention as shown in Figure 1 and Figure 2, including substrate 3 and elastic supporting element 2, the elastic bearing Element is the compression of metals spring that helical steel springs are formed, and the helical steel springs set four altogether, in addition, also including back-pressure bullet Property element 8, counter 7 and connector 1, the back-pressure flexible member 8 be specially helical steel springs, back-pressure flexible member 8 and bullet Property supporting member 2 correspond and set, the connector 1 welds combination by connecting pipe 4, middle force bearing plate 6 and outside link plate 5 Form, substrate 3 is provided with connecting rod 10, and the bottom of connecting rod 10 is welded and fixed with substrate 3 to be connected, and counter 7 and its locating part 11 are set Put at the top of connecting rod 10, the locating part 11 is specially locking nut, and it is (conventional that the corresponding top of connecting rod 10 is threaded linkage section Structure, not specifically illustrated in figure) coordinate with locking nut, the back-pressure flexible member 8 is located at counter 7 and middle force bearing plate 6 Between, the supporting flexible member 2 is between middle force bearing plate 6 and substrate 3, and back-pressure flexible member 8 is to middle load The force direction and elastic supporting element 2 of plate 6 are in opposite direction to the supporting force of middle force bearing plate 6.Wherein, for save space and Security is improved, connecting rod 10 passes through from the inner ring of back-pressure flexible member 8 and elastic supporting element 2 respectively.In addition, for convenience of right Back-pressure flexible member 8 is spacing, sets the centering limited block 9 of back-pressure flexible member in counter 7 and middle force bearing plate 6 respectively.Together Sample reason, for ease of spacing to supporting flexible member 2, setting supports flexible member respectively on middle force bearing plate 6 and substrate 3 Centering limited block 12.
Tension isolation mounting of the present invention, by setting up counter and back-pressure flexible member, provided using back-pressure flexible member Back-pressure active force, avoid elastic supporting element beat amplitude it is excessive, elastic supporting element deviate from from position limiting structure and Situation about toppling over, so as to ensure that tension isolation mounting of the present invention not only has good bearing capacity, but also have well Tensile capacity, its working condition is more reliable and more stable, and normal use and fortune by the equipment of vibration isolation or vehicle can be effectively ensured Row safety.Certainly, in order to which above-mentioned purpose is better achieved, generally, back-pressure flexible member should be applied necessarily in advance Pretightning force, the pretightning force can effectively be offset as back-pressure active force or the resilience of partial offset elastic supporting element caused by On pulling force.It is to be particularly noted that if the back-pressure active force of back-pressure flexible member makes whole or at least most of elasticity branch Hold element and realize pretension, the linear change stage directly proportional to the compression displacement of itself into born external force, can eliminate or The influence of mismachining tolerance and rigging error to the system frequency of tension isolation mounting of the present invention is partially removed, consolidates its system There is frequency range smaller, ensure that the intrinsic frequency parameter of tension isolation mounting of the present invention is in reasonable controllable levels all the time, Its vibration isolating effect also will be more reliable and more stable.To achieve the above object, generally, the precommpression stroke of back-pressure flexible member It should be greater than 110% of elastic supporting element maximum compression deflection under working condition.In use, by tension isolation mounting of the present invention It is placed on and treats between vibration isolation object and basis, it may be necessary to takes anti-skidding or fixation.Certainly, this hair shown in Fig. 2 Flexible member is only provided with bright tension isolation mounting, is not provided with damping structure, can be coordinated in application with damping unit Use.
It is pointed out that in the present invention, the concrete form that can be used as the compression spring of back-pressure flexible member 8 is more It is kind various, it can be metal coil spring, metal disc spring, spring made of high polymer material and above-mentioned metal spring with it is high The complex spring that molecular material is formed, the high polymer material specifically include the materials such as rubber, elastic polyurethane and elastoplast. In addition, the elastic supporting element in the present invention, only can be made up of the compression of metals spring such as helical steel springs;Can also be by metal The complex spring of compression spring and elastomeric material composition is formed, such as the compound bullet that helical steel springs and elastic caoutchouc are formed together Spring, or complex spring for forming together of steel disc spring and elastane etc..In addition, this example is only anti-with setting four Illustrated exemplified by 8, four elastic supporting elements 2 of compression elasticity element and four connecting rods 10, in actual applications, can be according to work Journey needs to set the quantity of back-pressure flexible member 8, elastic supporting element 2 and connecting rod 10.It is middle force bearing plate 6, outer further, in Fig. 1 The contour shape of connecting plate 5 and substrate 3 is rectangle, and in actual applications, its contour shape can also be circle, rhombus, just The other shapes such as pentagon, regular hexagon, even irregular shape.Above technical scheme is all based on the technology of the present invention original The simple change of reason, is only described with word herein, all among the protection domain of application claims.Described above is equally Suitable for its also embodiment of the present invention, it is described in this together.
Tension isolation mounting of the present invention, simple in construction, it can not only bear downward pressure, additionally it is possible to bear upward Pulling force, vibration isolation efficiency is high, and anti-vibration performance is more reliable and more stable, and security performance is more preferable, can be widely applied to various ship powers In the elastic vibration isolation foundation engineering of equipment, industrial apparatus for rotating or rail traffic vehicles operation, before there is wide market application Scape.
Embodiment two
Tension isolation mounting of the present invention as shown in Figure 3, the difference with embodiment one are, coordinate with counter 7 each Two compression springs are included in group back-pressure flexible member 8, the compression spring is specially helical steel springs.In addition, connecting rod 10 from Through being connected with counter 7 in the space surrounded among multiple compression springs, two compression springs around connecting rod 10 symmetrically It is evenly arranged.In addition, in order to improve the oscillation damping and energy dissipating ability of tension isolation mounting of the present invention, middle force bearing plate 6 and substrate 3 it Between be also provided with damping unit, the damping unit is specially a viscous damping devices 13.
Compared with embodiment one, in technical scheme described in this example, because back-pressure flexible member 8 is by multiple compression spring sets Into, therefore the size of single compression spring is relatively small, its space-consuming height is smaller, advantageously reduces tension vibration isolation of the present invention The whole height of device, make product structure compacter, so as to effectively improve space availability ratio.In addition, tension described in this example every Damping unit is additionally arranged in vibrating device, therefore energy dissipation capacity is stronger.
Based on technical principle described in this example, damping unit 13, can be with addition to already mentioned viscous damping devices It is the other kinds of resistances such as fluid pressure type damping unit, electric eddy-current damping device, magnetorheological damping device and viscoelastic damping device Buddhist nun's device, as long as system damping can be effectively improved, the purpose of quick consumption vibrational energy is realized, the present invention can be applied to and worked as In.In addition, back-pressure flexible member can also include three, four or more compression springs, in the design can be according to work Journey needs to set particular number, to keep carrying uniform, it is preferred that when compression spring sets two or more than two, in connecting rod Surrounding is evenly arranged.These technical schemes are all based on the simple change of the technology of the present invention principle, are only given herein with word Bright, all among the protection domain of application claims, described above can equally be well applied to its also embodiment of the present invention, and herein one And it is described.
Embodiment three
Tension isolation mounting of the present invention as shown in Figure 4 and Figure 5, is with the difference of embodiment one, and counter 7 is one The overall rectangular slab of block, plate body middle part set the central through hole that promising connecting pipe 4 is stepped down.In addition, held in counter 7 and centre Damping unit is set between power plate 6, and the damping unit is specially four fluid pressure type damping units 14.
Compared with embodiment two, in technical scheme described in this example, damping unit is arranged on counter 7 and middle force bearing plate Between 6, it can be to put elastic supporting element 2 to reserve more spaces, fully meet under fully loaded transportation condition, elastic supporting element quantity More use demand;Further, since damping unit, this hair described in this example are provided between counter 7 and middle force bearing plate 6 The system damping of bright tension isolation mounting is bigger, and oscillation damping and energy dissipating effect is stronger, and vibration isolating effect is also more preferable.Certain damping unit In addition to it can be fluid pressure type damping unit, viscous damping devices, electric eddy-current damping device, magnetorheological damping device can also be With other a variety of concrete forms such as viscoelastic damping device.As long as system damping can be effectively improved, quick consumption vibrational energy is realized The purpose of amount, it can be applied among the present invention, all within the protection domain of application claims.
Example IV
Tension isolation mounting of the present invention as shown in Figure 6, is, back-pressure flexible member 8 is adopted with the difference of embodiment one The rubber spring formed with elastic rubber material.It is pointed out that because elastomeric material has good damping characteristic, because This, in this example, back-pressure flexible member 8 is provided in and sets damping unit between counter 7 and middle force bearing plate 6 again simultaneously.
Compared with embodiment three, in tension isolation mounting of the present invention described in this example, because elastomeric material has good resistance Damping characteristics, therefore back-pressure flexible member 8 is provided in and sets damping unit between counter 7 and middle force bearing plate 6 again simultaneously. Due to back-pressure flexible member 8 and damping unit being integrated, tension isolation mounting structure of the present invention is simpler described in this example It is single.
It is pointed out that the technical principle based on the present invention, different according to the concrete form of elastic supporting element, and For the needs of arrangement space, the quantity of connecting rod 10 can be identical with the quantity of elastic supporting element 2 and back-pressure flexible member 8, It can also differ.For example, as shown in fig. 7, elastic supporting element 2 still sets four, back-pressure flexible member 8 uses compressive resistance More preferable rubber-metal complex spring, connecting rod 10 set two, and corresponding back-pressure flexible member 8 is also provided with two;Or as schemed Shown in 8, elastic supporting element 2 is helical steel springs, sets one altogether, back-pressure flexible member 8 uses the more preferable rubber of compressive resistance Glue metal composite spring, connecting rod 10 still set four, and corresponding back-pressure flexible member 8 is also provided with four, as long as elastic bearing is first The bearing capacity of part and the counter-pressure of back-pressure flexible member meet engineering requirement, can play good technique effect, this A little technical schemes are all based on the simple change of the technology of the present invention principle, all among the protection domain of application claims.
Embodiment five
Tension isolation mounting of the present invention as shown in Figure 9, is, substrate 3 is provided with housing with the difference of embodiment one 15, bottom and the substrate 3 of housing 15 are welded and fixed integrally, and counter 7 is fixedly installed on the top of housing 15.In addition, in back-pressure Damping material 17 is set in the chamber that plate 7, housing 15 and substrate 3 are formed, and damping material described in this example is specially solid elastic Polyurethane material, elastic supporting element 2 are partially disposed in damping material.In addition, being connected for convenience with external structure, connect outside Attachment structure is additionally provided with fishplate bar 5 and substrate 3, the attachment structure is connecting hole 18.
Certainly, in the present invention, according to the different needs of engineering, connection can be set to tie on outside link plate or/and substrate Structure, the attachment structure include connecting hole, screw, connecting pin and buckle etc., are easily and reliably tied as long as can realize with outside The effect of structure connection, it can be applied in the present invention.Damping is set in the chamber that counter 7, housing 15 and substrate 3 are formed Material, in addition to it can use solids elastomeric urethane material, other solid damping materials such as elastic caoutchouc can also be used.This A little technical schemes are all based on the simple change of the technology of the present invention principle, are only described herein with word, all will in the present invention Among the protection domain asked, described above can equally be well applied to its also embodiment of the present invention, be described in this together.
In technical scheme described in this example, due to setting damping material in the chamber that is formed in counter 7, housing 15 and substrate 3 Material, and the part of elastic supporting element 2 is arranged in damping material, a kind of viscoelastic damping device is formed, therefore when elasticity branch When holding generation compression after element carries and stretching, the material realization of meeting shearing damp is consumed energy, therefore has good effectiveness in vibration suppression.Need It is noted that the height of damping material can be set as needed.
Technical scheme described in this example sets the structure of damping unit simpler, and is not take up putting elastic supporting element 2 or the space of back-pressure flexible member 8, overall compact structure is easy to implement, space availability ratio is also higher.
Embodiment six
Tension isolation mounting of the present invention as shown in Figure 10 and Figure 11, is with the difference of embodiment five, connector by Connection rods 4, middle force bearing plate 6 and the welding of outside link plate 5 combine.In addition, back-pressure flexible member 8 uses metal disc spring. In addition, setting damping material 17 in the chamber that counter 7, housing 15 and substrate 3 are formed, damping material is specific described in this example For fluid damping material, elastic supporting element 2 sets one, specially a helical steel springs, the elastic supporting element 2 altogether Part is dipped in damping material.
Compared with embodiment five, the structure of technical scheme described in this example is compacter, and space availability ratio is higher.In addition, this In the example technical scheme, elastic supporting element 2 can be not only partially submerged in fluid damping material, hindered further to improve Buddhist nun's effect, elastic supporting element 2 can also all be immersed in fluid damping material, or even back-pressure flexible member 8 can also part Or all it is immersed in fluid damping material, it is only necessary to conventional seal structure is set between connection rods 4 and counter 7, prevented Only fluid damping material is spilt.Here, be only described with word, not still further accompanying drawing, all guarantor in application claims Protect among scope.
It can be seen from above-described embodiment that tension isolation mounting of the present invention, by setting up counter and back-pressure elasticity member Part, the back-pressure active force provided using back-pressure flexible member, pulling force upward caused by elastic supporting element resilience is offset, is kept away It is excessive to exempt from the amplitude of elastic supporting element bounce, the situation that elastic supporting element is deviate from and toppled over from position limiting structure, so as to Ensure that tension isolation mounting of the present invention not only has good bearing capacity, but also there is good tensile capacity, its work State is more reliable and more stable, and normal use by the equipment of vibration isolation or vehicle and safe for operation can be effectively ensured, certainly, in order to Above-mentioned purpose is better achieved, generally, certain pretightning force, the pretension masterpiece should be applied to back-pressure flexible member in advance Pulling force upward caused by elastic supporting element resilience can be effectively offset for back-pressure active force.It is to be particularly noted that such as The back-pressure active force of fruit back-pressure flexible member makes whole or at least most of elastic supporting element realize pretension, outer into bearing In the power linear change stage directly proportional to the compression displacement of itself, it can eliminate or partially remove mismachining tolerance and rigging error pair The influence of the system frequency of tension isolation mounting of the present invention, make its system frequency excursion smaller, ensure this hair The intrinsic frequency parameter of bright tension isolation mounting is in reasonable controllable levels all the time, and its vibration isolating effect also will be more reliable and more stable. To achieve the above object, generally, the precommpression stroke of back-pressure flexible member should be greater than elastic bearing member under working condition The 110% of part maximum compression deflection.Tension isolation mounting of the present invention, simple in construction, it can not only bear downward pressure, Upward pulling force can also be born, vibration isolation efficiency is high, and anti-vibration performance is more reliable and more stable, and security performance is more preferable, can answer extensively For in various ship power equipment, industrial apparatus for rotating or the elastic vibration isolation foundation engineering of rail traffic vehicles operation, having Wide market application foreground.
In addition, embodiments of the invention are primarily to the convenient technical principle for understanding the present invention, it is not limited to above-mentioned The content that embodiment is recorded, the technology contents that above-described embodiment is recorded can also carry out cross-reference, former based on the technology of the present invention Reason, those skilled in the art can re-start combination or using similar technique to wherein to technical scheme described in above-described embodiment Some elements are simply replaced, as long as the technical principle based on the present invention, all among the protection domain of application claims.

Claims (12)

1. a kind of tension isolation mounting, including substrate and elastic supporting element, compression of metals is included in the elastic supporting element Spring, it is characterised in that also including back-pressure flexible member, counter and connector, middle force bearing plate and outer company are provided with connector Fishplate bar, substrate are provided with connecting rod or housing, and the bottom of connecting rod or housing is fixedly linked with substrate, and counter and its locating part are set At the top of connecting rod or counter is fixedly installed on case top, and the back-pressure flexible member is located at counter and middle force bearing plate Between, the elastic supporting element is between middle force bearing plate and substrate, and back-pressure flexible member is to middle force bearing plate Force direction and elastic supporting element are in opposite direction to the supporting force of middle force bearing plate;Back-pressure flexible member includes at least one Compression spring, compression spring one end are pressed in counter, and the other end, which compresses, to be acted on middle force bearing plate, and compression spring The supporting force to middle force bearing plate of force direction and elastic supporting element to middle force bearing plate is in opposite direction;Back-pressure elasticity The back-pressure active force of element makes whole or at least most of resilient support members realize pretension.
2. tension isolation mounting according to claim 1, it is characterised in that compression spring includes metal coil spring, metal The complex spring that spring made of disc spring, high polymer material and high polymer material are formed with metal.
3. tension isolation mounting according to claim 1, it is characterised in that when compression spring sets more than two, in connecting rod Surrounding is evenly arranged.
4. tension isolation mounting according to claim 1, it is characterised in that the precommpression stroke of compression spring should be greater than work Make 110% of elastic supporting element maximum compression deflection under state.
5. tension isolation mounting according to claim 1, it is characterised in that set respectively on counter and middle force bearing plate The centering limited block of back-pressure flexible member.
6. tension isolation mounting according to claim 1, it is characterised in that bullet is set respectively on middle force bearing plate and substrate The centering limited block of property supporting member.
7. tension isolation mounting according to claim 1 or 2, it is characterised in that between middle force bearing plate and substrate or/and Damping unit is set between counter and middle force bearing plate.
8. tension isolation mounting according to claim 7, it is characterised in that the damping unit includes fluid pressure type damping dress Put, viscous damping devices, electric eddy-current damping device, magnetorheological damping device and viscoelastic damping device.
9. tension isolation mounting according to claim 1, it is characterised in that in the chamber that counter, housing and substrate are formed Damping material is set, and elastic supporting element is at least partially disposed in damping material.
10. tension isolation mounting according to claim 1, it is characterised in that connection is set on outside link plate or/and substrate Structure, the attachment structure include connecting hole, screw, connecting pin and buckle.
11. tension isolation mounting according to claim 1, it is characterised in that the locating part is locking nut, accordingly Linkage section is threaded at the top of connecting rod.
12. tension isolation mounting according to claim 1, it is characterised in that the locating part is spacer pin, is connected accordingly Pin-and-hole is set on bar.
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CN106870628B (en) * 2017-03-23 2020-04-03 江苏恒泽安装工程股份有限公司 Steel structure damping shock-isolation shock absorber
CN107488962A (en) * 2017-09-27 2017-12-19 芜湖凯奥尔环保科技有限公司 A kind of plant fiber washing equipment
CN108240894B (en) * 2018-01-29 2019-12-03 西南交通大学 Track vibration-reducing experimental rig and track vibration-reducing testing equipment

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US2900162A (en) * 1955-01-17 1959-08-18 Barry Controls Inc Resilient support
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CN102839698A (en) * 2011-06-26 2012-12-26 高邮市迅达工程机械集团有限公司 Floor flange connection damping device
CN203360862U (en) * 2013-07-15 2013-12-25 慈溪市飞龙电器有限公司 Vibration attenuation structure applied in roller washing machine
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