CN102494078A - High-energy consumption viscoelastic silicone oil cabin vibration damper - Google Patents
High-energy consumption viscoelastic silicone oil cabin vibration damper Download PDFInfo
- Publication number
- CN102494078A CN102494078A CN2011104497768A CN201110449776A CN102494078A CN 102494078 A CN102494078 A CN 102494078A CN 2011104497768 A CN2011104497768 A CN 2011104497768A CN 201110449776 A CN201110449776 A CN 201110449776A CN 102494078 A CN102494078 A CN 102494078A
- Authority
- CN
- China
- Prior art keywords
- damping
- silicone oil
- vibration damper
- cup
- consuming
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Combined Devices Of Dampers And Springs (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a high-energy consumption viscoelastic silicone oil cabin vibration damper, which comprises an oil cylinder, silicone oil, a central shaft, a damping cup, a damping element, a support sheet for supporting the damping element and a spring for supporting the damping cup, wherein the support sheet is clamped at the reducing position of the oil cylinder; the spring is arranged between the damping cup and the bottom of the oil cylinder; the damping cup is fixedly connected with central shaft by a bolt; a damping cup oil opening is formed on the damping cup; a damping material in the damping element is a high-energy consumption viscoelastic damping material; and a tubular stiffener is inlaid in the high-energy consumption viscoelastic damping material to play a role in supporting and protecting the high-energy consumption viscoelastic damping material. According to the high-energy consumption viscoelastic silicone oil cabin vibration damper, the viscoelastic material with high energy consumption is used as the damping material, so that a vibration isolating and damping effect is improved greatly; the central shaft is separated from the damping element, so that the service life of the vibration damper is prolonged greatly; and the high-energy consumption viscoelastic silicone oil cabin vibration damper is very convenient to maintain in the later period.
Description
Technical field
The invention belongs to engineering machinery field, be specifically related to a kind of highly energy-consuming viscoelasticity silicone oil passenger cabin vibration damper.
Background technique
Engineering machinery, special vehicle are widely used in the every field of modernization construction.Because engineering machinery, the road surface that special vehicle went are different from conventional highway, the road surface rises and falls big, and structure has no rule, so it tends to cause huge irregular vibration in the process of moving.How reducing passenger cabin is a very important problem at the dynamic response that jolts under impacting, and excessive dynamic response can make the equipment generation fatigue ruption of cabin interior, reduces operator's operation quality and working efficiency, influences health of operators.
Show that for human body vertical vibration The Characteristic Study in 4Hz～8Hz frequency range, the vibrational energy transmissibility of human body is maximum, human feeling's uncomfortable degree is also just big more.And show that for the research of engineering machinery, special vehicle the vibration that irregular complex road surface produced is a continuous distributed in 0Hz～12Hz frequency range.That is to say that if passenger cabin is not carried out shock insulation, damping processing, this excitation is enough to cause the strong discomfort of human body, the harm health of operators.In addition, be in for a long time under this high vibration, passenger cabin and inner equipment thereof also produce destruction because of tired easily, thus the working life of reducing vehicle.For reducing the harm that this vibration brings, various vibration dampers usually are installed in engineering machinery, the special vehicle.
Vibration damper at present commonly used can be divided into two kinds in Passive Control vibration damper and ACTIVE CONTROL vibration damper according to its control mode.Wherein the ACTIVE CONTROL vibration damper is to regulate control force output automatically according to structural dynamic response, in theory good damping effect can be arranged, but need sensor that structural response is gathered, and is exported the control force order accordingly through processor calculating again.Therefore the ACTIVE CONTROL vibration damper has following shortcoming: the Time Delay that (1) is intrinsic; (2) energy supply problem continuously; (3) cost significantly improves.These shortcomings have seriously restricted the application of ACTIVE CONTROL vibration damper.And the Passive Control vibration damper have simple structure, cheap, need not advantages such as extra power and control system, by broad research and application.
Traditional Passive Control vibration damper all is the mode that adopts General Purpose Rubber and silicone oil to combine, yet for the low frequency range of 0Hz～12Hz, the dynamic response that employing General Purpose Rubber material may increase passenger cabin.In addition, the energy dissipation capacity of General Purpose Rubber is little, neither be fine to isolating affection.
Disclose a kind of operator cabin vibration damper like Chinese patent document CN201186673Y, adopted the ears ironware to be fixed on the frame of machinery, the supporting inner core connects operator cabin, and silicone oil is contained in the oily bowl, and the guiding disk is riveted with the tail end of supporting inner core.Cover plate, the little round nut of locking and supporting inner core are through the effectively circumferential location of locating stud.Cylindrically coiled spring is sleeved on the locating stud, and an end contacts with the counterbore groove of ears ironware, and the other end contacts with cover plate, is fixed on the supporting inner core through locking little round nut, plays the pretension compression.
And for example Chinese patent document CN201757150U discloses a kind of silicone oil vibration damper, comprise the silicone oil basin, sealing and fixing and the silicone oil basin upper end-hole that fill silicone oil rubber column, be located at the damping plate of rubber column bottom; Have the gap between the inwall of the periphery of damping plate and silicone oil basin, be provided with oil storage space between the upper-end surface of damping plate and the bottom surface of said rubber column.The central authorities of rubber column run through and are provided with central shaft, and the top of central shaft is provided with the installation shaft that is used to connect the engineering machinery driving cabin base plate, and the bottom of central shaft links to each other with damping plate.The bottom surface of rubber column is provided with annular groove.Bottom one side of silicone oil basin is provided with oil hole, and oil hole is provided with sealing bolt.Vicinity periphery wall place is provided with the tubulose reinforcer in the rubber column, and the top of tubulose reinforcer is periphery wall and fixing and the silicone oil basin upper end-hole of turnover to extend rubber column outwards.In a plurality of bound edges of the partial fixing of the outside turnover at tubulose reinforcer top and silicone oil basin upper end-hole.The flanging of the part of the outside turnover at tubulose reinforcer top and silicone oil basin upper end-hole is provided with a plurality of being used for and the bolted mounting hole of the underframe of engineering machinery.The oil hole of silicone oil basin bottom part possibly cause occurring in the silicone oil using process revealing, and has increased later maintenance work greatly.
Above-mentioned two pieces of patent documentations all are to adopt General Purpose Rubber as vibration-absorptive material, so isolating affection is not good.And vibration-absorptive material directly links to each other with central shaft, can make vibration-absorptive material be in the state of stress deformation for a long time like this, causes fatigue ruption, greatly reduces its working life.
Summary of the invention
The objective of the invention is to address the above problem, provide that a kind of isolating affection is good, the highly energy-consuming viscoelasticity silicone oil passenger cabin vibration damper of long service life, convenient later maintenance.
The technological scheme that realizes the object of the invention is: a kind of highly energy-consuming viscoelasticity silicone oil passenger cabin vibration damper comprises oil cylinder, silicone oil, central shaft, damping cup, damping member.Also comprise support plate that supports said damping member and the spring that supports said damping cup; Said support plate is stuck in the reducing place of said oil cylinder; Said spring is arranged between the bottom of said damping cup and said oil cylinder; Said damping cup is fixedly connected with said central shaft through bolt, and said damping cup is provided with damping cup hydraulic fluid port.
Damping material in the damping member adopts the highly energy-consuming visco-elastic damping material; And in the highly energy-consuming visco-elastic damping material, be embedded with the tubulose reinforcer, play the effect of an overfill protection highly energy-consuming visco-elastic damping material.
This highly energy-consuming viscoelasticity silicone oil passenger cabin vibration damper also comprises and being arranged between said central shaft and the said damping member so that the axle bed assembly that they separate; Said axle bed assembly comprises axle bed, axle bush and oil seal washer.
The good effect that the present invention has: the damping material that (1) the present invention adopts is the highly energy-consuming viscoelastic material; It has elasticity and viscosity double grading; Therefore under the vibrational excitation effect; Have the strong characteristics of energy dissipation capacity, especially outstanding for medium-high frequency zone energy dissipation behavior, thus increased separated damping effect greatly.(2) the present invention separates central shaft with damping member; Thereby make damping member when central shaft carries out vertical motion, not receive its external force; Thereby reduced the creep strain of damping member effectively, avoided the fatigue ruption of damping member, improved the working life of vibration damper greatly.(3) because the highly energy-consuming viscoelastic material can produce circumferential expansion after being squeezed, add the effect of the twice oil seal washer in the axle bed assembly, can guarantee that like this silicone oil in use can not reveal, significantly reduced the inconvenience of later maintenance.
Description of drawings
Fig. 1 is the structural representation of highly energy-consuming viscoelasticity silicone oil passenger cabin vibration damper of the present invention.
Have among the figure: oil cylinder 1, silicone oil 2, central shaft 3, damping cup 4, damping member 5, highly energy-consuming visco-elastic damping material 51, tubulose reinforcer 52, support plate 6, spring 7, axle bed assembly 8, axle bed 82, axle bush 83, oil seal washer 84, bolt 9, installation shaft 10.
Fig. 2 is the plan view of Fig. 1.
Embodiment
(embodiment 1)
The highly energy-consuming viscoelasticity silicone oil passenger cabin vibration damper of present embodiment comprises oil cylinder 1, silicone oil 2, central shaft 3, damping cup 4, damping member 5, support plate 6, spring 7, axle bed assembly 8.
Damping cup 4 is connected to one through bolt 9 and central shaft 3, and the cup end of damping cup 4 is provided with damping cup hydraulic fluid port 4-1.
Damping material in the damping member 5 adopts highly energy-consuming visco-elastic damping material 51; And in highly energy-consuming visco-elastic damping material 51, be embedded with tubulose reinforcer 52, play the effect of an overfill protection highly energy-consuming visco-elastic damping material 51.The valgus of tubulose reinforcer 52 is arranged with the mounting hole 52-1 that communicates with the mounting hole 1-1 of oil cylinder 1.Damping member 5 bottoms are provided with the storage space of silicone oil 2.
Axle bed assembly 8 is arranged between central shaft 3 and the damping member 5 so that they separate.Axle bed assembly 8 comprises axle bed 81, axle bush 82 and twice oil seal washer 83.
During concrete the use; Can the vibration damper of four to six present embodiments be connected in the passenger cabin base plate of external device (engineering machinery, special vehicle etc.) through installation shaft 10, again the mounting hole 52-1 of mounting hole 1-1 through oil cylinder 1 and tubulose reinforcer 52 with these four to six vibration dampers by on the underframe that is bolted to external device.The deadweight of external device is promptly passed on the central shaft 3 through installation shaft 10 like this, passes on the spring 7 again, and spring 7 is deformed, to support the external device deadweight.
Under the deadweight state, spring 7 produces compressive strains, the upper end of central shaft 3 will with the upper surface flush of axle bed 81, when external device bore dynamic load again, external device was with being pressed onto simultaneously on central shaft 3 and the axle bed 81.At this moment, central shaft 3 is born dynamic action jointly with damping member 5.Under reciprocal load, central shaft 3 connects damping cups 4 and in silicone oil 2, move, consumes vibrational energy, and silicone oil 2 can be through the oil storage space in the damping cup hydraulic fluid port 4-1 inflow damping member 5 at the bottom of 4 glasss in the damping cup.Simultaneously, relative movement takes place with tubulose reinforcer 52 in axle bed 81, and this just makes highly energy-consuming visco-elastic damping material 51 therebetween that reciprocal shear deformation takes place, and further consumes vibrational energy.
Owing between central shaft 3 and damping member 5, be provided with axle bed assembly 8; So just central shaft 3 and damping member 5 are separated, made central shaft 3 when vertically moving, damping member 5 does not receive its external force; The shape that still remains unchanged attitude; Greatly reduce the creep strain of damping member like this, avoided the fatigue ruption of damping member under long-time distortion effectively, increase the working life of vibration damper.But also axle bed assembly 8 also can position central shaft 3.
Because highly energy-consuming visco-elastic damping material 51 can produce circumferential expansion after being squeezed; Add the effect of the twice oil seal washer 83 in the axle bed assembly 8; Can guarantee that like this silicone oil 2 in use can not reveal; Therefore do not establish oil hole on the oil cylinder 1, only need when dispatching from the factory, to carry out the injection of a silicone oil 2, significantly reduced the inconvenience of later maintenance.
Because different engineering machinery, the residing working environment difference of special vehicle, therefore required EIAJ is also different.Rigidity, the kind of silicone oil 2 and the kind of highly energy-consuming visco-elastic damping material 51 of vibration damper medi-spring 7 that therefore can be through changing present embodiment are designed the vibration damper that meets specific service condition.The rigidity of this vibration damper medi-spring 7 is generally 40kN/m～200kN/m; Silicone oil 2 is generally selected silicone oil for use No. 500～No. 10000; The fissipation factor of highly energy-consuming visco-elastic damping material is generally 0.3～1.0.
For guaranteeing relative movement normally between central shaft 3 and the damping member 5, should coat machine oil in axle bush 82 inboards of axle bed assembly 8, to reduce the frictional force of itself and central shaft 3.For guaranteeing that silicone oil 2 do not reveal, should guarantee that damping member 5 and oil cylinder 1 fit each other, form good sealing under pressure.
Claims (3)
1. a highly energy-consuming viscoelasticity silicone oil passenger cabin vibration damper comprises oil cylinder (1), silicone oil (2), central shaft (3), damping cup (4), damping member (5); It is characterized in that: also comprise support plate (6) that supports said damping member (5) and the spring (7) that supports said damping cup (4); Said support plate (6) is stuck in the reducing place of said oil cylinder (1); Said spring (7) is arranged between the bottom of said damping cup (4) and said oil cylinder (1); Said damping cup (4) is fixedly connected with said central shaft (3) through bolt (9), and said damping cup (4) is provided with damping cup hydraulic fluid port (4-1).
2. highly energy-consuming viscoelasticity silicone oil passenger cabin vibration damper according to claim 1 is characterized in that: the damping material in the damping member (5) adopts highly energy-consuming visco-elastic damping material (51); And in highly energy-consuming visco-elastic damping material (51), be embedded with tubulose reinforcer (52), play the effect of an overfill protection highly energy-consuming visco-elastic damping material (51).
3. highly energy-consuming viscoelasticity silicone oil passenger cabin vibration damper according to claim 1 and 2 is characterized in that: also comprise being arranged between said central shaft (3) and the said damping member (5) so that the axle bed assembly (8) that they separate; Said axle bed assembly (8) comprises axle bed (81), axle bush (82) and oil seal washer (83).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104497768A CN102494078A (en) | 2011-12-28 | 2011-12-28 | High-energy consumption viscoelastic silicone oil cabin vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104497768A CN102494078A (en) | 2011-12-28 | 2011-12-28 | High-energy consumption viscoelastic silicone oil cabin vibration damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102494078A true CN102494078A (en) | 2012-06-13 |
Family
ID=46185925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104497768A Pending CN102494078A (en) | 2011-12-28 | 2011-12-28 | High-energy consumption viscoelastic silicone oil cabin vibration damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102494078A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994170A (en) * | 2014-06-06 | 2014-08-20 | 无锡圣丰减震器有限公司 | Damper using damping silicon oil |
| CN106704460A (en) * | 2017-02-20 | 2017-05-24 | 徐工集团工程机械有限公司 | Damping device and engineering vehicle |
| CN107740840A (en) * | 2017-11-20 | 2018-02-27 | 徐工集团工程机械有限公司 | Shock absorber and engineering truck |
| CN107989955A (en) * | 2017-11-30 | 2018-05-04 | 山推工程机械股份有限公司 | A kind of assemble method of silicon oil damper, bull-dozer and silicon oil damper |
| CN107989956A (en) * | 2017-11-30 | 2018-05-04 | 山推工程机械股份有限公司 | A kind of assemble method of silicon oil damper, bull-dozer and silicon oil damper |
| CN114233797A (en) * | 2021-12-22 | 2022-03-25 | 无锡市锡南减震器有限公司 | Suspension shock absorber for cab |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59117931A (en) * | 1982-12-25 | 1984-07-07 | Toyoda Gosei Co Ltd | Liquid-sealed vibration isolating device |
| JP2003113889A (en) * | 1994-11-07 | 2003-04-18 | Komatsu Ltd | Liquid-sealed suspension |
| CN1662755A (en) * | 2002-05-01 | 2005-08-31 | 株式会社富科库 | Liquid seal type fluid-filled mount |
| US20060006032A1 (en) * | 2004-07-09 | 2006-01-12 | Mike Loth | Reinforced viscoelastic system |
| CN101759938A (en) * | 2010-02-10 | 2010-06-30 | 东南大学 | Low-frequency vibrating viscous-elastic material with high power consumption |
| CN201757150U (en) * | 2010-07-20 | 2011-03-09 | 常州市东海橡胶厂有限公司 | Silicon oil shock absorber |
| CN201836287U (en) * | 2010-09-30 | 2011-05-18 | 安徽意通电力设备有限公司 | High-power hydraulic buffer |
| CN202418408U (en) * | 2011-12-28 | 2012-09-05 | 常州市东海橡胶厂有限公司 | High-energy-consumption and viscoelastic silicone-oil vibration absorber for cockpit |
-
2011
- 2011-12-28 CN CN2011104497768A patent/CN102494078A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59117931A (en) * | 1982-12-25 | 1984-07-07 | Toyoda Gosei Co Ltd | Liquid-sealed vibration isolating device |
| JP2003113889A (en) * | 1994-11-07 | 2003-04-18 | Komatsu Ltd | Liquid-sealed suspension |
| CN1662755A (en) * | 2002-05-01 | 2005-08-31 | 株式会社富科库 | Liquid seal type fluid-filled mount |
| US20060006032A1 (en) * | 2004-07-09 | 2006-01-12 | Mike Loth | Reinforced viscoelastic system |
| CN101759938A (en) * | 2010-02-10 | 2010-06-30 | 东南大学 | Low-frequency vibrating viscous-elastic material with high power consumption |
| CN201757150U (en) * | 2010-07-20 | 2011-03-09 | 常州市东海橡胶厂有限公司 | Silicon oil shock absorber |
| CN201836287U (en) * | 2010-09-30 | 2011-05-18 | 安徽意通电力设备有限公司 | High-power hydraulic buffer |
| CN202418408U (en) * | 2011-12-28 | 2012-09-05 | 常州市东海橡胶厂有限公司 | High-energy-consumption and viscoelastic silicone-oil vibration absorber for cockpit |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994170A (en) * | 2014-06-06 | 2014-08-20 | 无锡圣丰减震器有限公司 | Damper using damping silicon oil |
| CN103994170B (en) * | 2014-06-06 | 2016-05-18 | 无锡圣丰减震器有限公司 | damping silicon oil shock absorber |
| CN106704460A (en) * | 2017-02-20 | 2017-05-24 | 徐工集团工程机械有限公司 | Damping device and engineering vehicle |
| CN107740840A (en) * | 2017-11-20 | 2018-02-27 | 徐工集团工程机械有限公司 | Shock absorber and engineering truck |
| CN107740840B (en) * | 2017-11-20 | 2024-05-28 | 江苏徐工国重实验室科技有限公司 | Shock absorber and engineering vehicle |
| CN107989955A (en) * | 2017-11-30 | 2018-05-04 | 山推工程机械股份有限公司 | A kind of assemble method of silicon oil damper, bull-dozer and silicon oil damper |
| CN107989956A (en) * | 2017-11-30 | 2018-05-04 | 山推工程机械股份有限公司 | A kind of assemble method of silicon oil damper, bull-dozer and silicon oil damper |
| CN114233797A (en) * | 2021-12-22 | 2022-03-25 | 无锡市锡南减震器有限公司 | Suspension shock absorber for cab |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102494078A (en) | High-energy consumption viscoelastic silicone oil cabin vibration damper | |
| JP5016495B2 (en) | Liquid-filled mount and its assembly method | |
| CN205003016U (en) | Dynamic testing equipment split hopkinson pressure bar's multi -level buffer device | |
| CN203740816U (en) | Auxiliary damping device of elevator | |
| CN201757150U (en) | Silicon oil shock absorber | |
| CN111305632B (en) | Three-dimensional vibration isolation device with sliding inclined spring | |
| CN202418408U (en) | High-energy-consumption and viscoelastic silicone-oil vibration absorber for cockpit | |
| CN201330819Y (en) | Rubber anti-impact device | |
| CN201080983Y (en) | Rubber shock-absorbing pad | |
| CN202040258U (en) | Anti-noise decoupling membrane, decoupling hydraulic suspension and automobile | |
| CN104948632A (en) | Shock absorber | |
| CN202674137U (en) | Damper and excavator comprising damper | |
| CN101773875B (en) | Elastic supporting device of vertical shaft of disc-type separator | |
| CN204961667U (en) | Install two -way cylinder damping mechanism on car | |
| CN102963231A (en) | Auxiliary frame damping structure | |
| CN201190763Y (en) | Shock absorber | |
| CN204415120U (en) | A kind of power assembly hydraulic suspension of automobile | |
| CN207178552U (en) | Vibration-proof structure and the vehicle with the vibration-proof structure | |
| RU124340U1 (en) | Vibration Isolator | |
| CN202901153U (en) | Double fluidic room fluidic resistor type broadband rubber vibration isolator | |
| CN105060076A (en) | Lift car bottom high-efficient damping device with dual damping effects | |
| CN205130843U (en) | Buffer block assembly behind automobile body | |
| CN102900802B (en) | Dual-fluid chamber fluid-resistance broadband rubber shock isolator | |
| CN219464522U (en) | Mould that possesses damping effect | |
| CN219827563U (en) | Shock absorber structure with damping valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120613 |