CN108775368A - Double grease chamber rigidity regulating oil gas springs - Google Patents
Double grease chamber rigidity regulating oil gas springs Download PDFInfo
- Publication number
- CN108775368A CN108775368A CN201810970336.9A CN201810970336A CN108775368A CN 108775368 A CN108775368 A CN 108775368A CN 201810970336 A CN201810970336 A CN 201810970336A CN 108775368 A CN108775368 A CN 108775368A
- Authority
- CN
- China
- Prior art keywords
- oil
- cylinder body
- piston rod
- hollow piston
- gas springs
- 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
- F16F9/06—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
- F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
- F16F9/066—Units characterised by the partition, baffle or like element
- F16F9/067—Partitions of the piston type, e.g. sliding 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
- F16F9/32—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
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3221—Constructional features of piston rods
-
- 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
Abstract
The present invention proposes a kind of double grease chamber rigidity regulating oil gas springs, belongs to hydro-pneumatic spring technical field.This double grease chamber rigidity regulating oil gas spring, including cylinder body, hollow piston rod and end cap etc., hollow piston rod is nested in the inner cavity of cylinder body, hollow piston rod can be moved back and forth along the axis direction of cylinder body, by adjusting oil nozzle, adjusting oil to the injection of adjusting oil pocket or discharge hydraulic oil, so that regulating piston is in a certain setting position, to change the volume for adjusting air cavity, so that hydro-pneumatic spring is in the rigidity of a setting.Beneficial effects of the present invention：Double grease chamber rigidity regulating oil gas springs of the present invention are assembled on vehicle, zero load is according to vehicle or are fully loaded with equal transport conditions, the driver comfort of vehicle can be significantly improved by adjusting oil nozzle injection or the rigidity of hydraulic oil adjusting hydro-pneumatic spring being discharged.
Description
Technical field
The present invention relates to hydro-pneumatic spring technical fields, more particularly to a kind of double grease chamber rigidity regulating oil gas springs.
Background technology
Hydro-pneumatic spring has excellent effectiveness in vibration suppression, it is widely used to the suspension of heavy truck, engineering truck at present
Vibration insulating system.The floating piston of hydro-pneumatic spring is isolated by hydro-pneumatic spring oil pocket with air cavity, and oil pocket stores hydraulic oil, and air cavity stores nitrogen
Gas, oil pocket hydraulic oil compress the nitrogen of air cavity, realize the function of elastic original paper.But hydro-pneumatic spring in use its just
Unadjustable change is spent, for vehicle in unloaded or fully loaded transport condition, vehicle is different to the rigidity requirement of hydro-pneumatic spring, it reduce
The driver comfort of vehicle.
Invention content
The purpose of the present invention is to provide a kind of double grease chamber rigidity regulating oil gas springs, and it is rigid to solve current hydro-pneumatic spring
Spend unadjustable technical problem.
The present invention provides a kind of double grease chamber rigidity regulating oil gas springs, and double grease chamber rigidity regulating oil gas springs include cylinder
Body and hollow piston rod, hollow piston rod are nested in inner chamber of cylinder block, and hollow piston rod can be moved back and forth along the axis direction of cylinder body,
Cylinder body right end is equipped with end cap, and hollow piston rod is set in the pilot hole of end cap, and the outer wall of hollow piston rod is provided with and cylinder
Inner chamber of cylinder block is divided into first inner chamber and second inner chamber by the main piston of intracoelomic cavity sealing, main piston, the company of being provided in main piston
The damping oil duct of logical first inner chamber, second inner chamber, be respectively arranged on cylinder body the first pump nozzle being connected to first inner chamber and with
Second pump nozzle of second inner chamber connection, hollow piston rod is interior to be opened up elastic inner cavity from its left end and adjusts inner cavity, bullet successively
Property inner cavity is provided with floating piston, and floating piston can be moved back and forth along the axis direction of hollow piston rod, and floating piston will be elastic
Inner cavity is divided into oil pocket and air cavity, and the opening being connected to oil pocket is arranged in hollow piston rod left end, adjusts inner cavity and is provided with adjusting work
Plug, regulating piston can be moved back and forth along the axis direction of hollow piston rod, and regulating piston is divided into adjusting air cavity by inner cavity is adjusted
With adjust oil pocket, adjust air cavity and be connected to air cavity, the air injection opening being connected to air cavity and oily with adjusting is also respectively provided on cylinder body
The adjusting oil nozzle of chamber connection.
Further, sealing ring is provided between end cap and cylinder body, between the pilot hole inner wall and hollow piston rod of end cap
It is provided with sealing ring.
Further, external screw thread is provided on end cap, cylinder body right end is provided with internal thread, and it is right that end cap is threadedly coupled cylinder body
End.
Further, it is provided with guide ring between the pilot hole and hollow piston rod of end cap.
Further, guide ring is provided between main piston and inner chamber of cylinder block.
Further, it is provided with guide ring between floating piston and elastic inner cavity.
Further, it is provided with guide ring between regulating piston and adjusting inner cavity.
Further, the first pump nozzle is set to the left end of cylinder body, offers the first main oil gallery inside cylinder body left end, and first
Pump nozzle is connected to first inner chamber through the first main oil gallery；Second pump nozzle is set to the right end of cylinder body, is offered inside cylinder body right end
Second main oil gallery, the second pump nozzle are connected to second inner chamber through the second main oil gallery.
Further, air injection opening, adjusting oil nozzle may be contained within the right end of hollow piston rod, be opened inside hollow piston rod right end
Equipped with air flue and oil duct is adjusted, air injection opening is connected to air cavity through air flue, and adjusting oil nozzle, oil duct connection adjusts oil pocket after the adjustment.
Further, the left end of cylinder body is provided with assembly ear, and the right end of hollow piston rod is provided with assembly ear.
Compared with prior art, double grease chamber rigidity regulating oil gas springs of the invention have the characteristics that and advantage：
Double grease chamber rigidity regulating oil gas springs of the present invention, a cylinder is multi-purpose, compact-sized, small volume, convenient for assembly
Occupied space is smaller on to vehicle；Double grease chamber rigidity regulating oil gas springs of the present invention are assembled on vehicle, according to vehicle
In the transport conditions such as unloaded or fully loaded, the rigidity of hydro-pneumatic spring can be adjusted by adjusting oil nozzle injection or discharge hydraulic oil,
Significantly improve the driver comfort of vehicle.
After the specific implementation mode of the present invention is read in conjunction with the figure, the features and advantages of the invention will become clearer.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 the is double grease chamber rigidity regulating oil gas springs sectional view in compressive state when being rigidity maximum；
Fig. 2 the is double grease chamber rigidity regulating oil gas springs sectional view in extended configuration when being rigidity maximum；
Fig. 3 the is double grease chamber rigidity regulating oil gas springs sectional view in compressive state when being rigidity minimum；
Fig. 4 the is double grease chamber rigidity regulating oil gas springs sectional view in extended configuration when being rigidity minimum；
Wherein, 1, cylinder body, 11, first inner chamber, 12, second inner chamber, 2, hollow piston rod, 21, opening, 22, oil pocket, 23,
Air cavity, 24, adjust air cavity, 25, adjust oil pocket, 3, end cap, 41, main piston, 411, damping oil duct, 42, floating piston, 43, adjust
Save piston, the 51, first pump nozzle, the 52, second pump nozzle, 53, air injection opening, 54, adjust oil nozzle, the 61, first main oil gallery, 62, the
Two main oil gallerys, 7, sealing ring, 8, guide ring, 9, assembly ear.
Specific implementation mode
As shown in Figures 1 to 4, the present embodiment provides a kind of double grease chamber rigidity regulating oil gas springs, double grease chamber rigidity can
It includes cylinder body 1 and hollow piston rod 2 to adjust hydro-pneumatic spring, and hollow piston rod 2 is nested in the inner cavity of cylinder body 1, and hollow piston rod 2 can
Axis direction along cylinder body 1 moves back and forth.The left end of cylinder body 1 is provided with assembly ear 9, and the right end of hollow piston rod 2 is provided with dress
With ear 9.The hydro-pneumatic spring of the present embodiment can be assemblied on vehicle by the assembly ear 9 at both ends.
Be provided with external screw thread on end cap 3,1 right end of cylinder body is provided with internal thread, end cap 3 be threadedly coupled 1 right end of cylinder body so that
The right end of cylinder body 1 is equipped with end cap 3.Hollow piston rod 2 is set in the pilot hole of end cap 3.It is arranged between end cap 3 and cylinder body 1
There is sealing ring 7, to realize the sealing of end cap 3 and cylinder body 1.It is provided between the pilot hole inner wall and hollow piston rod 2 of end cap 3 close
Seal 7, to realize the sealing of the pilot hole and hollow piston rod 2 of end cap 3.It is set between the pilot hole and hollow piston rod 2 of end cap 3
It is equipped with guide ring 8, the reciprocating motion of hollow piston rod 2 is oriented to by guide ring 8.The outer wall of hollow piston rod 2 is arranged
There are main piston 41, main piston 41 and 1 bore seal of cylinder body.1 inner cavity of cylinder body is divided into first inner chamber 11 and second by main piston 41
Inner cavity 12, damping oil duct 411 is provided in main piston 41, and damping oil duct 411 is connected to first inner chamber 11 and second inner chamber 12.Main work
It is provided with guide ring 8 between plug 41 and 1 inner cavity of cylinder body, the reciprocating motion of main piston 41 is oriented to by guide ring 8.
First pump nozzle 51 is set to the left end of cylinder body 1, and the first main oil gallery 61 is offered inside 1 left end of cylinder body.First note
Oil nozzle 51 is connected to first inner chamber 11 through the first main oil gallery 61.Second pump nozzle 52 is set to the right end of cylinder body 1, in 1 right end of cylinder body
Portion offers the second main oil gallery 62, and the second pump nozzle 52 is connected to second inner chamber 12 through the second main oil gallery 62.
It opens up elastic inner cavity in hollow piston rod 2 successively from its left end and adjusts inner cavity.Elastic inner cavity is provided with floating
Piston 42, floating piston 42 can be moved back and forth along the axis direction of hollow piston rod 2.It is set between floating piston 42 and elastic inner cavity
It is equipped with guide ring 8, the reciprocating motion of floating piston 42 is oriented to by guide ring 8.Floating piston 42 divides elastic inner cavity
It is divided into oil pocket 22 and air cavity 23,2 left end of hollow piston rod setting opening 21, opening 21 is connected to the oil pocket 22 of elastic inner cavity.It adjusts
Section inner cavity is provided with regulating piston 43, and regulating piston 43 can be moved back and forth along the axis direction of hollow piston rod 2.Regulating piston 43
It is provided with guide ring 8 between adjusting inner cavity, the reciprocating motion of regulating piston 43 is oriented to by guide ring 8.It adjusts and lives
Plug 43 will adjust inner cavity and be divided into adjusting air cavity 24 and adjust oil pocket 25.
Air injection opening 53 is set to 2 right end side of hollow piston rod, and it is another that adjusting oil nozzle 54 is set to 2 right end of hollow piston rod
Side.Air flue 63 is offered inside 2 right end of hollow piston rod and adjusts oil duct 64, and air injection opening 53 is connected to air cavity 23 through air flue 63, adjusts
The connection of oil duct 64 adjusts oil pocket 25 to control choke 54 after the adjustment.
Double grease chamber rigidity regulating oil gas springs of the present embodiment, through the first pump nozzle 51, the first main oil gallery 61 to main work
The first inner chamber 11 in 41 left side of plug injects hydraulic oil, and hydraulic oil can also enter the oil pocket 22 in 42 left side of floating piston through opening 21；
Through the second pump nozzle 52, the second main oil gallery 62 hydraulic oil is injected to the second inner chamber 12 on 41 right side of main piston；By the first pump nozzle
51 and second pump nozzle 52 close.To air cavity 23 and the injection nitrogen of air cavity 24 is adjusted through air injection opening 53, air flue 63；Oil nozzle after the adjustment
54, it adjusts oil duct 64 and injects hydraulic oil to the adjusting oil pocket 25 on 43 right side of regulating piston；Regulating piston 43 is in a certain setting
Position, by air injection opening 53 and adjust oil nozzle 54 close, at this time hydro-pneumatic spring be set rigidity.
Double grease chamber rigidity regulating oil gas springs of the present embodiment, during normal vibration damping use, floating piston 42
Oil pocket 22 and air cavity 23 are isolated, the effect of external force makes the hydraulic oil in first inner chamber 11 that 41 main pistons be pushed to move to right, in second
Hydraulic oil in chamber 12 flows to first inner chamber 11 from damping oil duct 411, plays a part of damping vibration attenuation effect at this time.It is same with this
When, hydraulic oil compression air cavity 23 in first inner chamber 11 and oil pocket 22 and the nitrogen in air cavity 24 is adjusted, realizes hydro-pneumatic spring
Main effectiveness in vibration suppression.According to the applying working condition of hydro-pneumatic spring, open and adjust oil nozzle 54, will adjust oil nozzle 54, adjust oil duct 64 to
The injection of oil pocket 25 or discharge hydraulic oil are adjusted, so that regulating piston 43 is in another setting position, air cavity 24 is adjusted to change
Volume, then closed oil nozzle 54 is adjusted, hydro-pneumatic spring is the rigidity of another setting at this time.
As shown in Figure 1 and Figure 2, state when double grease chamber rigidity regulating oil gas springs are rigidity maximum.It is adjusted at this point, opening
Control choke 54 adjusts in oil pocket 25 and adjusts oil nozzle 54 full of closing after hydraulic oil.Regulating piston 43, which is located at, adjusts the most left of inner cavity
End, the volume for reducing adjusting air cavity 24 and air cavity 23 increase tune in the case of 11 hydraulic oil constancy of volume of first inner chamber
The pressure of nitrogen in solar term chamber 24 and air cavity 23, increases the counterpressure of air cavity 23 and first inner chamber 11, hydro-pneumatic spring rigidity
It is maximum.
As shown in Figure 3, Figure 4, state when double grease chamber rigidity regulating oil gas springs are rigidity minimum.It is adjusted at this point, opening
Control choke 54 closes adjusting oil nozzle 54 after adjusting the full discharge of hydraulic oil of oil pocket 25.Regulating piston 43, which is located at, adjusts inner cavity most
Right end, the volume for increasing adjusting air cavity 24 and air cavity 23 reduce in the case of 11 hydraulic oil constancy of volume of first inner chamber
The pressure for adjusting nitrogen in air cavity 24 and air cavity 23, reduces the counterpressure of air cavity 23 and first inner chamber 11, hydro-pneumatic spring is rigid
Degree is minimum.
Double grease chamber rigidity regulating oil gas springs of the present embodiment, a cylinder is multi-purpose, compact-sized, small volume, convenient for dress
It is smaller to be fitted on occupied space on vehicle.Double grease chamber rigidity regulating oil gas springs of the present embodiment are assembled on vehicle, according to
Vehicle is in zero load or fully loaded equal transport conditions, can adjust hydro-pneumatic spring by adjusting the injection of oil nozzle 54 or hydraulic oil being discharged
Rigidity significantly improves the driver comfort of vehicle.
Certainly, above description is not limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made in the essential scope of the present invention should also belong to the present invention's
Protection domain.
Claims (10)
1. a kind of double grease chamber rigidity regulating oil gas springs, it is characterised in that：Double grease chamber rigidity regulating oil gas springs include cylinder
Body and hollow piston rod, hollow piston rod are nested in inner chamber of cylinder block, and hollow piston rod can be moved back and forth along the axis direction of cylinder body,
Cylinder body right end is equipped with end cap, and hollow piston rod is set in the pilot hole of end cap, and the outer wall of hollow piston rod is provided with and cylinder
Inner chamber of cylinder block is divided into first inner chamber and second inner chamber by the main piston of intracoelomic cavity sealing, main piston, the company of being provided in main piston
The damping oil duct of logical first inner chamber, second inner chamber, be respectively arranged on cylinder body the first pump nozzle being connected to first inner chamber and with
Second pump nozzle of second inner chamber connection, hollow piston rod is interior to be opened up elastic inner cavity from its left end and adjusts inner cavity, bullet successively
Property inner cavity is provided with floating piston, and floating piston can be moved back and forth along the axis direction of hollow piston rod, and floating piston will be elastic
Inner cavity is divided into oil pocket and air cavity, and the opening being connected to oil pocket is arranged in hollow piston rod left end, adjusts inner cavity and is provided with adjusting work
Plug, regulating piston can be moved back and forth along the axis direction of hollow piston rod, and regulating piston is divided into adjusting air cavity by inner cavity is adjusted
With adjust oil pocket, adjust air cavity and be connected to air cavity, the air injection opening being connected to air cavity and oily with adjusting is also respectively provided on cylinder body
The adjusting oil nozzle of chamber connection.
2. double grease chamber rigidity regulating oil gas springs according to claim 1, it is characterised in that：It is set between end cap and cylinder body
It is equipped with sealing ring, sealing ring is provided between the pilot hole inner wall and hollow piston rod of end cap.
3. double grease chamber rigidity regulating oil gas springs according to claim 1, it is characterised in that：Outer spiral shell is provided on end cap
Line, cylinder body right end are provided with internal thread, and end cap is threadedly coupled cylinder body right end.
4. double grease chamber rigidity regulating oil gas springs according to claim 1, it is characterised in that：The pilot hole of end cap and sky
It is indecisive and changeable between stopper rod and is provided with guide ring.
5. double grease chamber rigidity regulating oil gas springs according to claim 1, it is characterised in that：Main piston and inner chamber of cylinder block
Between be provided with guide ring.
6. double grease chamber rigidity regulating oil gas springs according to claim 1, it is characterised in that：In floating piston and elasticity
Guide ring is provided between chamber.
7. double grease chamber rigidity regulating oil gas springs according to claim 1, it is characterised in that：In regulating piston and adjusting
Guide ring is provided between chamber.
8. double grease chamber rigidity regulating oil gas springs according to claim 1, it is characterised in that：First pump nozzle is set to
The left end of cylinder body, the first main oil gallery is offered inside cylinder body left end, and the first pump nozzle is connected to first inner chamber through the first main oil gallery；The
Two pump nozzles are set to the right end of cylinder body, the second main oil gallery are offered inside cylinder body right end, the second pump nozzle is through the second main oil gallery
It is connected to second inner chamber.
9. double grease chamber rigidity regulating oil gas springs according to claim 1, it is characterised in that：Air injection opening adjusts oil nozzle
The right end of hollow piston rod is may be contained within, air flue is offered inside hollow piston rod right end and adjusts oil duct, air injection opening is through air flue
It is connected to air cavity, adjusting oil nozzle, oil duct connection adjusts oil pocket after the adjustment.
10. double grease chamber rigidity regulating oil gas springs according to claim 1, it is characterised in that：The left end of cylinder body is arranged
There are assembly ear, the right end of hollow piston rod to be provided with assembly ear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810970336.9A CN108775368A (en) | 2018-08-24 | 2018-08-24 | Double grease chamber rigidity regulating oil gas springs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810970336.9A CN108775368A (en) | 2018-08-24 | 2018-08-24 | Double grease chamber rigidity regulating oil gas springs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108775368A true CN108775368A (en) | 2018-11-09 |
Family
ID=64028830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810970336.9A Pending CN108775368A (en) | 2018-08-24 | 2018-08-24 | Double grease chamber rigidity regulating oil gas springs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108775368A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109837807A (en) * | 2019-01-21 | 2019-06-04 | 株洲时代新材料科技股份有限公司 | A kind of track floating plate vibration isolator |
| CN110017349A (en) * | 2019-03-15 | 2019-07-16 | 江苏大学 | A kind of automobile-used rigidity controllable magnetic rheology damper and rigidity regulate and control method |
| RU194004U1 (en) * | 2019-07-30 | 2019-11-22 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный архитектурно-строительный университет" | Two-pipe hydropneumatic shock absorber |
| CN111472732A (en) * | 2020-05-06 | 2020-07-31 | 库尔勒金沙石油机械制造有限责任公司 | Rotary wheel type nozzle sleeve |
| CN111692263A (en) * | 2020-06-11 | 2020-09-22 | 南京航空航天大学 | Buffer folding and unfolding integrated anti-crash buffer for oil-gas type undercarriage |
| CN112413029A (en) * | 2020-10-13 | 2021-02-26 | 南京航空航天大学 | Buffering and collecting integrated crushing energy-absorbing type undercarriage crash-resistant buffer |
| RU208894U1 (en) * | 2021-04-16 | 2022-01-20 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный архитектурно-строительный университет" | Pneumohydraulic shock absorber |
| CN114261417A (en) * | 2021-12-01 | 2022-04-01 | 株洲时代新材料科技股份有限公司 | Variable-stiffness torsion bar of gas-liquid composite connecting rod structure and design method thereof |
| IT202100008516A1 (en) * | 2021-04-06 | 2022-10-06 | Umbria Kinetics Srl | SHOCK ABSORBER FOR WHEEL VEHICLES. |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3613677A1 (en) * | 1986-04-23 | 1987-10-29 | Hemscheidt Maschf Hermann | Shock and vibration damping system |
| DE4234217A1 (en) * | 1992-10-10 | 1994-04-14 | Hemscheidt Maschf Hermann | Hydropneumatic spring assembly for vehicle - uses force of spring to supplement hydraulic and pneumatic forces acting on piston |
| CN1836205A (en) * | 2003-08-12 | 2006-09-20 | 格雷姆·K·罗伯逊 | Shock absorber assembly |
| EP2019228A2 (en) * | 2007-07-27 | 2009-01-28 | Manuel Carcaré Gimeno | Oil-hydraulic suspension cylinder |
| CN202914612U (en) * | 2012-10-23 | 2013-05-01 | 长春孔辉汽车科技有限公司 | Push rod type variable rigidity adjustable oil gas spring |
| CN103775554A (en) * | 2012-10-23 | 2014-05-07 | 长春孔辉汽车科技有限公司 | Double-air-bag rigidity stepless adjustable oil-gas spring |
| CN104613123A (en) * | 2014-11-28 | 2015-05-13 | 江苏大学 | Two-stage pressure type hydro-pneumatic spring and working method |
| CN208669920U (en) * | 2018-08-24 | 2019-03-29 | 山东万通液压股份有限公司 | Double grease chamber rigidity regulating oil gas springs |
-
2018
- 2018-08-24 CN CN201810970336.9A patent/CN108775368A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3613677A1 (en) * | 1986-04-23 | 1987-10-29 | Hemscheidt Maschf Hermann | Shock and vibration damping system |
| DE4234217A1 (en) * | 1992-10-10 | 1994-04-14 | Hemscheidt Maschf Hermann | Hydropneumatic spring assembly for vehicle - uses force of spring to supplement hydraulic and pneumatic forces acting on piston |
| CN1836205A (en) * | 2003-08-12 | 2006-09-20 | 格雷姆·K·罗伯逊 | Shock absorber assembly |
| EP2019228A2 (en) * | 2007-07-27 | 2009-01-28 | Manuel Carcaré Gimeno | Oil-hydraulic suspension cylinder |
| CN202914612U (en) * | 2012-10-23 | 2013-05-01 | 长春孔辉汽车科技有限公司 | Push rod type variable rigidity adjustable oil gas spring |
| CN103775554A (en) * | 2012-10-23 | 2014-05-07 | 长春孔辉汽车科技有限公司 | Double-air-bag rigidity stepless adjustable oil-gas spring |
| CN104613123A (en) * | 2014-11-28 | 2015-05-13 | 江苏大学 | Two-stage pressure type hydro-pneumatic spring and working method |
| CN208669920U (en) * | 2018-08-24 | 2019-03-29 | 山东万通液压股份有限公司 | Double grease chamber rigidity regulating oil gas springs |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109837807A (en) * | 2019-01-21 | 2019-06-04 | 株洲时代新材料科技股份有限公司 | A kind of track floating plate vibration isolator |
| CN110017349A (en) * | 2019-03-15 | 2019-07-16 | 江苏大学 | A kind of automobile-used rigidity controllable magnetic rheology damper and rigidity regulate and control method |
| RU194004U1 (en) * | 2019-07-30 | 2019-11-22 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный архитектурно-строительный университет" | Two-pipe hydropneumatic shock absorber |
| CN111472732A (en) * | 2020-05-06 | 2020-07-31 | 库尔勒金沙石油机械制造有限责任公司 | Rotary wheel type nozzle sleeve |
| CN111472732B (en) * | 2020-05-06 | 2022-05-17 | 库尔勒金沙石油机械制造有限责任公司 | Rotary wheel type nozzle sleeve |
| CN111692263A (en) * | 2020-06-11 | 2020-09-22 | 南京航空航天大学 | Buffer folding and unfolding integrated anti-crash buffer for oil-gas type undercarriage |
| CN112413029A (en) * | 2020-10-13 | 2021-02-26 | 南京航空航天大学 | Buffering and collecting integrated crushing energy-absorbing type undercarriage crash-resistant buffer |
| IT202100008516A1 (en) * | 2021-04-06 | 2022-10-06 | Umbria Kinetics Srl | SHOCK ABSORBER FOR WHEEL VEHICLES. |
| EP4070974A1 (en) | 2021-04-06 | 2022-10-12 | Umbria Kinetics SRL | Shock absorber for wheeled vehicles |
| RU208894U1 (en) * | 2021-04-16 | 2022-01-20 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный архитектурно-строительный университет" | Pneumohydraulic shock absorber |
| CN114261417A (en) * | 2021-12-01 | 2022-04-01 | 株洲时代新材料科技股份有限公司 | Variable-stiffness torsion bar of gas-liquid composite connecting rod structure and design method thereof |
| CN114261417B (en) * | 2021-12-01 | 2023-01-31 | 株洲时代新材料科技股份有限公司 | Variable-rigidity torsion bar of gas-liquid composite connecting rod structure and design method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108775368A (en) | Double grease chamber rigidity regulating oil gas springs | |
| CN208669920U (en) | Double grease chamber rigidity regulating oil gas springs | |
| US11473645B2 (en) | Hydraulic shock-absorber with hydraulic stop member and adjustment device | |
| US2924304A (en) | Shock absorber with recoil cushion | |
| US8794406B2 (en) | Stiff damper | |
| US5628496A (en) | Pneumatic spring | |
| CN206802183U (en) | Adjustable damping device | |
| US11098780B2 (en) | Suspension | |
| CN107614924B (en) | Shock absorber | |
| CN107654563A (en) | Adjustable damping device | |
| EP3594528A1 (en) | Suspension | |
| US7252031B2 (en) | Cylinder apparatus | |
| CN106704442A (en) | Hydro-pneumatic spring | |
| CN201730890U (en) | No-load/full-load self-adaptive pressure compensation type hydro-pneumatic suspension cylinder | |
| CN110206843A (en) | A kind of twin-tub cylinder double chamber hydragas spring | |
| CN208669918U (en) | The double gas chamber plunger type accumulators of hydro pneumatic suspension | |
| CN108223472A (en) | A kind of rotary buffering valve | |
| CN108547826A (en) | A kind of built-in gas-liquid mixed buffering stretching type high-speed cylinder | |
| CN208885850U (en) | Hydraulic buffer | |
| CN209130104U (en) | A kind of high-mechanic damper | |
| CN108825699A (en) | The double gas chamber plunger type accumulators of hydro pneumatic suspension | |
| CN208669919U (en) | The double gas chamber piston accumulators of hydro pneumatic suspension | |
| CN108087477B (en) | Elastic floating piston | |
| CN102269196A (en) | No-/full-load self-adaptive pressure compensating type hydro-pneumatic suspension cylinder | |
| CN220488177U (en) | Adjustable truck cab shock absorber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |