CN104989769A - Vibration reducing mechanism - Google Patents
Vibration reducing mechanism Download PDFInfo
- Publication number
- CN104989769A CN104989769A CN201510326862.8A CN201510326862A CN104989769A CN 104989769 A CN104989769 A CN 104989769A CN 201510326862 A CN201510326862 A CN 201510326862A CN 104989769 A CN104989769 A CN 104989769A
- Authority
- CN
- China
- Prior art keywords
- piston
- piston rod
- spring
- cylinder
- damper mechanism
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3214—Constructional features of pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
- F16F9/063—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid comprising a hollow piston rod
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3235—Constructional features of cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/12—Fluid damping
Abstract
The invention discloses a vibration reducing mechanism. The vibration reducing mechanism comprises an inflation valve, a piston rod, a guide flange cover, a piston cylinder, a spring I and a spring II, wherein the piston rod is a welding structure, and is formed by welding a flange at the upper end, a steel pipe in the middle and a piston at the lower end; the flange is provided with the inflation valve; the piston moves in the piston cylinder; a damping small hole is formed in middle of the piston for communicating with the piston cylinder and an inner cavity of the piston rod; the spring II is arranged between the bottom of the piston cylinder and the piston; the guide flange cover coats the piston rod, and is fixed at the upper end of the piston cylinder; the spring I is connected between the lower part of the guide flange cover and the piston; hydraulic oil is filled in a hydraulic cylinder and the inner cavity of the piston rod; and the inner cavity of the piston rod has a certain height h. The vibration reducing mechanism can absorb the vibration through the springs in the vehicle vibration process; meanwhile, the structure of the hydraulic oil and the damping hole can prevent a cab from rebounding under the bumpy working condition; and the springs have the effects of limitation and protection to prevent excessive inclination of the cab caused by excessive elongation of the piston rod on a pavement with larger inclination.
Description
Technical field
The present invention relates to a kind of damper mechanism, specifically the support damper mechanism of a kind of operator cabin for vehicles such as engineering machinery, agricultural machinery, special mechanicals, motor and deceleration speed system.
Background technique
Along with growth in the living standard, under the develop rapidly of engineering construction, farm mechanization, people have had higher requirement to the travelling comfort of driving engineering machinery, agricultural machinery etc.In order to meet the need of market, for loader typical in engineering machinery, driver is safe and reliable, environmental-friendly and comfortable aspect requires more and more higher, especially some high end loaders, the vibration in operator cabin and criteria of noise control are very high, and the strong operator cabin of the excessive vibration of noise is that operator is unacceptable, the operating environment that simultaneously the little seismaesthesia of noise is soft both can delay fatigue, all beneficial to the physical and mental health of operator.
Main with rubber vibration isolation cushion or be directly rigidly connected in the connection damper mechanism of operator cabin, motor, reducing gear and the vehicle frame of traditional engineering machinery, agricultural machinery etc., isolating affection is poor, and the amplitude variations scope of vibration damper is little.Jolting in operator cabin can not be slowed down, so be badly in need of a kind of novel damper mechanism under complete machine obstacle detouring and bad working environments.
Summary of the invention
For above-mentioned prior art Problems existing, the invention provides a kind of damper mechanism, vehicle vibration due to motor, gear and equipment transmission in the process of work can be reduced to greatest extent, reduce the focus amplitude of operator cabin, thus reduce operator's seismaesthesia in operation and the noise of cabin interior part vibration generation, can better driving comfortability be improved in bumpy sections simultaneously.
To achieve these goals, a kind of damper mechanism of the present invention, comprises gas charging valve, piston rod, guide flange lid, piston cylinder, spring I and spring II; Described piston rod is welded structure, and by the flange of upper end, middle steel pipe and lower end piston are welded, and flange is provided with gas charging valve; Piston, at piston cylinder internal motion, has damping hole and is communicated with piston cylinder and piston rod cavity in the middle part of piston; Spring II is set bottom described piston cylinder and between piston; Described guide flange lid is enclosed within outside piston rod, is fixed on piston cylinder upper end, linking springs I between guide flange lid bottom and piston; Oil hydraulic cylinder and piston rod cavity filling liquid force feed, and make piston rod cavity have certain altitude h.
As further scheme of the present invention, pressurized air or nitrogen is filled with to piston rod cavity by gas charging valve, make two springs respectively have shrinkage allowance, hydraulic oil height h, within the scope of 5 to 10 millimeters, can better increase damping force and absorb energy when being subject to micro-shaking.
As further scheme of the present invention, the outer ring of described piston is provided with the O type circle I for sealing.The leakage of liquid can be prevented.
As further scheme of the present invention, described guide flange lid inner ring is provided with for dust-proof O type circle II.Prevent the impurity such as the dust of piston cylinder outside, rainwater from entering sealing mechanism inside.
As preferred version of the present invention, described hydraulic oil is the wear-resisting anti frozen liquid force feed with viscosity.To ensure that element is at high pressure, at a high speed, lubricated normally under the exacting terms such as low temperature, reduces wear.
As further scheme of the present invention, described flange is provided with the tapped hole for connecting operator cabin.The installation of mechanism is facilitated to connect.
As preferred version of the present invention, the material of described piston rod, guide flange lid and piston cylinder is carbon steel.
The invention of this reality is designed with two springs, vibration can be absorbed by spring in Vehicular vibration process, and the effect of spring also limited location and protection prevents from stretching out at larger tilted road surface piston rod longly causing operator cabin over-tilting, and its compact structure is safe and reliable; The structure of hydraulic oil and damping hole can prevent operator cabin from rebounding under the operating mode of jolting simultaneously, can better improve driving comfortability in bumpy sections.And the present invention can pass through elasticity coefficient and the diameter of control spring I, spring II, hydraulic pressure oil viscosity, the diameter of damping hole and quantity and chamber internal air pressure value etc. usually will adjust the coupling stiffness of this Novel damping mechanism, piston rod axial amplitude and natural frequency, support with the connection meeting variety classes vehicle and different parts.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
In figure: 1, gas charging valve, 2, piston rod, 21, flange, 22, piston, 3, bolt, 4, guide flange lid, 5, piston cylinder, 6, spring I, 7, O type circle I, 8, spring II, 9, hydraulic oil, 10, O type circle II.
Embodiment
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 1, damper mechanism of the present invention, comprises gas charging valve 1, piston rod 2, guide flange lid 4, piston cylinder 5, spring I6 and spring II 8; Piston rod 2 is welded structure, and by the flange 21 of upper end, middle steel pipe and lower end piston 22 are welded, and flange 21 is provided with gas charging valve 1; Piston 22, at piston cylinder 5 internal motion, has damping hole and is communicated with piston cylinder 5 and piston rod 2 inner chamber in the middle part of piston 22; Bottom piston cylinder 5 and between piston 22, spring II8 is set; Guide flange lid 4 is enclosed within outside piston rod 2, is fixed on piston cylinder 5 upper end, linking springs I6 between guide flange lid 4 bottom and piston 21; Oil hydraulic cylinder 5 and piston rod 2 lumen loading hydraulic oil 9, and make piston rod 2 inner chamber have certain altitude h.
Wherein hydraulic oil 9 preferably has the wear-resisting anti frozen liquid force feed of viscosity, to ensure that element is at high pressure, at a high speed, lubricated normally under the exacting terms such as low temperature, reduces wear.The material of piston rod 2, guide flange lid 4 and piston cylinder 5 is preferably carbon steel.
The present invention is designed with two springs, in Vehicular vibration process, vibration can be absorbed by spring, and Safety performance is higher, if only have a spring, if spring namely is above cancelled, likely piston rod 21 occurs because not stretching out the long accident that causes at inclination of vehicle or when jolting serious, if cancel spring below, requires that piston cavity pressure is excessive, is not easy to realize.
The present invention can prevent operator cabin from rebounding under the operating mode of jolting in the structure of hydraulic oil and damping hole, compression ratio due to liquid is less can be considered as incompressible medium, if under there is no hydraulic pressure oil condition, piston rod is subject to outer force compresses, and spring can shrink, when external force removes suddenly, also can disappear with external force at the thrust lower piston rod of spring and rise fast, rebound.Because hydraulic oil is incompressible, after being filled with hydraulic oil, piston rod is stressed to be pressed down, hydraulic oil flows into piston rod cavity by damping hole, when external force removes suddenly, because hydraulic oil is incompressible, volume can not great change, cavity of resorption just forms vacuum liquid force feed and flows into cavity of resorption from damping hole, because all there is pressure piston both sides, doing so avoids the situation that external force removes suddenly the rising suddenly under the thrust of spring of back piston bar, hydraulic oil can consume certain energy in by damping hole, thus consumes the energy of vibration.
After completing assembling according to said structure, pressurized air or nitrogen is filled with to piston rod 2 inner chamber by gas charging valve 1, two springs are made respectively to have shrinkage allowance according to the weight of different type of machines operator cabin, hydraulic oil height h is within the scope of 5 to 10 millimeters, damping hole seals by hydraulic oil, can better increase damping force absorb energy when being subject to micro-shaking.
The present invention can pass through elasticity coefficient and the diameter of control spring I6, spring II8, the viscosity of hydraulic oil 9, the diameter of damping hole and quantity and chamber internal air pressure value etc. usually will adjust the coupling stiffness of this Novel damping mechanism, piston rod 2 axial amplitude and natural frequency, support with the connection meeting variety classes vehicle and different parts.
On this external said structure basis, the present invention is also provided with the O type circle I7 for sealing in the outer ring of piston 22, can prevent the leakage of liquid.Be provided with for dust-proof O type circle II10 at guide flange lid 4 inner ring, prevent the impurity such as the dust of piston cylinder outside, rainwater from entering sealing mechanism inside.Flange 21 is provided with the tapped hole for connecting operator cabin.The installation of mechanism is facilitated to connect.
Certainly, above-described embodiment is only preferred version of the present invention, is specifically not limited thereto, and can make pointed adjustment according to actual needs on this basis, thus obtain different mode of executions.Because mode in the cards is more, just illustrate no longer one by one here.
Claims (7)
1. a damper mechanism, is characterized in that, comprises gas charging valve (1), piston rod (2), guide flange lid (4), piston cylinder (5), spring I(6) and spring II(8);
Described piston rod (2) is welded structure, and by the flange (21) of upper end, middle steel pipe and lower end piston (22) are welded, and flange (21) is provided with gas charging valve (1); Piston (22) is at piston cylinder (5) internal motion, and piston (22) middle part has damping hole and is communicated with piston cylinder (5) and piston rod (2) inner chamber;
Between described piston cylinder (5) bottom and piston (22), spring II(8 is set);
Described guide flange lid (4) is enclosed within piston rod (2) outward, is fixed on piston cylinder (5) upper end, linking springs I(6 between guide flange lid (4) bottom and piston (21));
Oil hydraulic cylinder (5) and piston rod (2) lumen loading hydraulic oil (9), and make piston rod (2) inner chamber have certain altitude h.
2. damper mechanism according to claim 1, is characterized in that, is filled with pressurized air or nitrogen by gas charging valve (1) to piston rod (2) inner chamber, makes two springs respectively have shrinkage allowance, and hydraulic oil height h is within the scope of 5 to 10 millimeters.
3. damper mechanism according to claim 1, is characterized in that, the outer ring of described piston (22) is provided with the O type circle I(7 for sealing).
4. damper mechanism according to claim 1, is characterized in that, described guide flange lid (4) inner ring is provided with for dust-proof O type circle II(10).
5. damper mechanism according to claim 1, is characterized in that, described hydraulic oil (9) is for having the wear-resisting anti frozen liquid force feed of viscosity.
6. damper mechanism according to claim 1, is characterized in that, described flange (21) is provided with the tapped hole for connecting operator cabin.
7. damper mechanism according to claim 1, is characterized in that, the material of described piston rod (2), guide flange lid (4) and piston cylinder (5) is carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510326862.8A CN104989769A (en) | 2015-06-15 | 2015-06-15 | Vibration reducing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510326862.8A CN104989769A (en) | 2015-06-15 | 2015-06-15 | Vibration reducing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104989769A true CN104989769A (en) | 2015-10-21 |
Family
ID=54301627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510326862.8A Pending CN104989769A (en) | 2015-06-15 | 2015-06-15 | Vibration reducing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104989769A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757156A (en) * | 2016-03-02 | 2016-07-13 | 北京北方车辆智能装备技术有限公司 | Damping device for launching platform |
| CN111827821A (en) * | 2020-08-07 | 2020-10-27 | 浙江圣纳智能科技有限公司 | Magnetic control type self-buffering hinge |
| CN112386031A (en) * | 2019-08-15 | 2021-02-23 | 江苏神工智能科技有限公司 | Artificial intelligence deck chair |
| CN113931968A (en) * | 2021-09-07 | 2022-01-14 | 西安航空制动科技有限公司 | Shock absorber for wheel of brake |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2217323C2 (en) * | 2001-08-08 | 2003-11-27 | Ростовский Вертолетный Производственный Комплекс - Открытое Акционерное Общество "Роствертол" | Vehicle suspension |
| CN2811665Y (en) * | 2005-05-26 | 2006-08-30 | 江苏大学 | Single-chamber oil-gas separation type oil-gas spring with nonlinear characteristics |
| CN202065403U (en) * | 2010-11-02 | 2011-12-07 | 中铁建设集团有限公司 | Suspension mass tuned vibration reducer |
| CN203335717U (en) * | 2013-07-16 | 2013-12-11 | 龙祥波 | Hydraulic double damping spring shock absorber |
| CN203809590U (en) * | 2014-01-22 | 2014-09-03 | 东莞职业技术学院 | Vibration attenuation mechanism |
| CN204900643U (en) * | 2015-06-15 | 2015-12-23 | 徐工集团工程机械股份有限公司科技分公司 | Damper |
-
2015
- 2015-06-15 CN CN201510326862.8A patent/CN104989769A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2217323C2 (en) * | 2001-08-08 | 2003-11-27 | Ростовский Вертолетный Производственный Комплекс - Открытое Акционерное Общество "Роствертол" | Vehicle suspension |
| CN2811665Y (en) * | 2005-05-26 | 2006-08-30 | 江苏大学 | Single-chamber oil-gas separation type oil-gas spring with nonlinear characteristics |
| CN202065403U (en) * | 2010-11-02 | 2011-12-07 | 中铁建设集团有限公司 | Suspension mass tuned vibration reducer |
| CN203335717U (en) * | 2013-07-16 | 2013-12-11 | 龙祥波 | Hydraulic double damping spring shock absorber |
| CN203809590U (en) * | 2014-01-22 | 2014-09-03 | 东莞职业技术学院 | Vibration attenuation mechanism |
| CN204900643U (en) * | 2015-06-15 | 2015-12-23 | 徐工集团工程机械股份有限公司科技分公司 | Damper |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757156A (en) * | 2016-03-02 | 2016-07-13 | 北京北方车辆智能装备技术有限公司 | Damping device for launching platform |
| CN112386031A (en) * | 2019-08-15 | 2021-02-23 | 江苏神工智能科技有限公司 | Artificial intelligence deck chair |
| CN111827821A (en) * | 2020-08-07 | 2020-10-27 | 浙江圣纳智能科技有限公司 | Magnetic control type self-buffering hinge |
| CN113931968A (en) * | 2021-09-07 | 2022-01-14 | 西安航空制动科技有限公司 | Shock absorber for wheel of brake |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103802626B (en) | Vehicle suspension system | |
| US8371562B2 (en) | Double path mount for cab suspension with tilting function | |
| US8317172B2 (en) | Multistage jounce bumper | |
| CN104989769A (en) | Vibration reducing mechanism | |
| CN105546026B (en) | The low frequency three-dimensional isolation quarry tipper seat designed based on magnetic force Negative stiffness spring | |
| CN102465989B (en) | Cylindrical vibration isolation device | |
| US9068616B1 (en) | Vehicle suspension system | |
| CN101786410A (en) | Suspension cushion assembly of powertrain system of automobile | |
| CN105443636A (en) | Mixed communication type oil-gas shock attenuation device | |
| CN100575190C (en) | A kind of non-rod aircraft tractor | |
| CN204284289U (en) | A kind of amplitude selects vibration damper | |
| EP2903840B1 (en) | Suspension for a wheeled vehicle | |
| CN204900643U (en) | Damper | |
| CN207241346U (en) | A kind of vehicle air suspension system | |
| CN106704442A (en) | Hydro-pneumatic spring | |
| CN206592472U (en) | Vibration absorber and engineering truck | |
| CN100543337C (en) | Anti-vibration support | |
| CN105134855A (en) | Novel oil-gas damper | |
| CN201827289U (en) | Rear overhang air cushion of automobile driving cabin | |
| KR101467420B1 (en) | Piston-cylinder unit | |
| CN201202762Y (en) | Bumper absorber with nine-shift adjustable mechanism | |
| KR101217274B1 (en) | Upper cap of shock absorber | |
| CN201763878U (en) | Single-barrel shock absorber | |
| CN108263159B (en) | Suspension system of dumper | |
| CN210661182U (en) | Electronic composite shock absorber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151021 |