CN105351421A - Hydro-pneumatic suspension device - Google Patents
Hydro-pneumatic suspension device Download PDFInfo
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- CN105351421A CN105351421A CN201510801402.6A CN201510801402A CN105351421A CN 105351421 A CN105351421 A CN 105351421A CN 201510801402 A CN201510801402 A CN 201510801402A CN 105351421 A CN105351421 A CN 105351421A
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Abstract
The invention discloses a hydro-pneumatic suspension device. The hydro-pneumatic suspension device comprises high-pressure gas, a piston, an oil-gas membrane, a working solution and a working cylinder. The piston and the oil-gas membrane are installed in the working cylinder. The space between the piston and the oil-gas membrane is filled with the working solution. The hydro-pneumatic suspension device is characterized in that the working cylinder is divided into a pneumatic cavity and a hydraulic cavity by the oil-gas membrane; a gas inlet pipe and a gas outlet pipe are arranged on the wall of the pneumatic cavity of the working cylinder, and the gas inlet pipe is connected with a gas storage tank. By the adoption of the hydro-pneumatic suspension device, a mine car can be higher in trafficability and higher in stability, the height of a chassis of the car can be changed, and the suspension softness can be changed under different conditions; the comprehensive capacity of the mine car can be improved, and the maneuverability of the mine car is improved.
Description
Technical field
The present invention relates to oil gas suspended device, particularly a kind of oil gas suspended device.
Background technique
Oleo-pneumatic suspension is a kind of using gas as Elastic medium, and liquid, as power transmission medium, not only has good buffer capacity, also has damping effect, and the height of also adjustable vehicle frame, is applicable to mine locomotive use simultaneously.Good oleo-pneumatic suspension can not only bear powerful impact, and can balance the impact impacted vehicle body.Automobile, under different travelling states, can make automobile more steadily, cosily travel to the adjustment of oleo-pneumatic suspension.
At present, now domestic a lot of heavy vehicle or mine locomotive still use leaf spring to hang, no matter to be the stability of operability, travelling comfort or vehicle all poor than oleo-pneumatic suspension in this suspension.And much use the mine locomotive of oleo-pneumatic suspension, it hangs mostly is all nonadjustable, its oleo-pneumatic suspension can not be in different conditions at vehicle and adjust the soft or hard of vehicle hanging, can not when vehicle be in different states, the vehicle body height of adjustment vehicle, reduce the overall performance of vehicle, vehicle is when carrying out operation, its operating speed will reduce, vehicle is when running at high speed, the center of gravity of vehicle can not be reduced, the curved ability of the mistake of vehicle and stability all can be reduced, when vehicle crosses potted road surface, the chassis of vehicle can not be raised, the passing capacity of vehicle is reduced.
Summary of the invention
For the deficiency that above-mentioned oil gas suspended device exists, the object of technology of the present invention is that providing a kind of makes the oil gas suspended device that mine car passing capacity is strong more by force, have more stability, can change the chassis height of vehicle, can change the soft or hard degree of suspension in different situations, this oleo-pneumatic suspension can improve the integration capability of mine car, improves the handling of mine car.
The present invention is achieved through the following technical solutions:
A kind of oil gas suspended device, described oleo-pneumatic suspension comprises pressurized gas, piston, oil gas barrier film, working solution, clutch release slave cylinder, described piston and oil gas barrier film are installed in clutch release slave cylinder, working solution is filled with between described piston and oil gas barrier film, it is characterized in that, clutch release slave cylinder is divided into atmospheric pressure cavity and hydraulic pressure cavity by described oil gas barrier film, and the atmospheric pressure cavity chamber wall of described clutch release slave cylinder is provided with suction tude and gas outlet, and described suction tude is connected to gas holder.
In such scheme, by being provided with the suction tude, the outlet pipe that are connected with gas holder at the atmospheric pressure cavity of clutch release slave cylinder, when vehicle is when running into protruding obstacle, gas in atmospheric pressure cavity is compressed, when vehicle runs into the hole of recessed, gas decompression in atmospheric pressure cavity, high pressure oil is back in hydraulic pressure cavity, reaches the impact effect of filtering road surface; When a mine locomotive needs are run at high speed, gas in atmospheric pressure cavity is bled off part, makes oil gas barrier film to atmospheric pressure cavity indent, to reach the height reducing vehicle body, and make the whole rigidity of oil gas suspended device stronger, increase the stability of vehicle traveling and the handling of vehicle; When ore deposit machine needs the road traveling in injustice, gas holder by the pressurized gas charge and discharge in tank in atmospheric pressure cavity, gas in atmospheric pressure cavity is increased, oleo-pneumatic suspension is made to become soft, more can filter out the vibration that Uneven road brings, and the chassis of mine car is heightened, to increase the passing ability of mine car.
A kind of oil gas suspended device, described suction tude is provided with suction valve, and described suction valve is fast open valve closing, and described suction valve is provided with control gear, the internal diameter d1=3 ~ 30mm of described suction tude, and the material of described suction tude is metal tube, preferably TA2 titanium pipe.
In such scheme, by being provided with fast open valve closing and control gear in suction tude, accurately can control the pressure in atmospheric pressure cavity delicately, the oil gas suspended device of accurate adjustment vehicle, pressurized gas are made to enter into atmospheric pressure cavity by fast open valve closing, vehicle body height is improved, whole suspension simultaneously becomes soft, improve passing ability, the diameter of suction tude is unsuitable excessive, should be convenient to install and do not take too many space, due to in the machine of ore deposit, its pressure born is large, and the material of suction tude should use the metal tube of high strength, preferably TA2 titanium pipe.
A kind of oil gas suspended device, described gas outlet is provided with outlet valve, described outlet valve is provided with control gear, described outlet valve is fast open valve closing, the relief opening of described outlet valve is provided with air-flow decompressor, the outlet of described decompressor is provided with silencing apparatus, and the internal diameter of described gas outlet is 5 ~ 40mm, and the material of described gas outlet is metal tube or rubber pipe.
In such scheme, the outlet valve that gas outlet is provided with can control the gas flow in atmospheric pressure cavity, when vehicle needs to run at high speed, can exclusive segment gas by gas outlet, vehicle body is reduced, after simultaneously gas reduces, the rigidity of whole oil gas suspended device improves, and makes the stability of vehicle and better handling; By being provided with air-flow decompressor and silencing apparatus, make the gas of discharging can not have impact to miscellaneous part, noise during less exhaust, the internal diameter of gas outlet can be large compared with the internal diameter of suction tude, pressure due to gas outlet does not have very high requirement, and therefore the material of gas outlet is that metal tube or rubber pipe can.
A kind of oil gas suspended device, described silencing apparatus is Small-Bore Jet Noise Muffler, and the material of described silencing apparatus is stainless steel.
In such scheme, this silencing apparatus is suitable for the noise that less exhaust produces very much.
A kind of oil gas suspended device, the shape of described gas holder is tubular, volume in described gas holder is more than 5 times of gas volume in clutch release slave cylinder, gas pressure intensity in described gas holder is more than 1.5 times of gas pressure intensity in clutch release slave cylinder, the material of described gas holder is stainless steel, described gas holder is connected by quick connector with suction tude, and the gas medium in described gas holder is argon gas.
In such scheme, by being provided with gas holder to the atmospheric pressure cavity tonifying Qi of clutch release slave cylinder, volume in gas holder should suitably strengthen, ensure that the gas stored is enough, gas pressure intensity in gas holder is more than 1.5 times of gas pressure intensity in clutch release slave cylinder, make the gas stored can flow to atmospheric pressure cavity sooner, the material of gas holder should be sufficient intensity and corrosion resistant stainless steel, gas in gas holder is the argon gas of inert gas, device can be made safer, longer service life, gas holder is connected by quick connector with suction tude, after gas in gas holder uses, can be quick, easy replacing gas holder.
A kind of oil gas suspended device, pressure transducer A is provided with in described atmospheric pressure cavity, pressure transducer B is provided with in described suction tude, described pressure transducer B is between gas holder and suction valve, described pressure transducer A, pressure transducer B by the pressure signal transmission that records to MCU, convert the electrical signal to digital signal by signal processing module, after described MCU receives pressure signal, pressure signal is converted to pressure value, described MCU is connected with the control mechanism of outlet valve with suction valve respectively by datawire, described MCU can send the signal of opening/closing valve to the control mechanism of suction valve and outlet valve, the control mechanism of described suction valve and outlet valve performs the order of opening/closing valve according to the signal received, the force value that described MCU presets according to different mode of suspension compares with the force value measured by pressure transducer A, if preset pressure value is greater than the force value measured by pressure transducer A, described MCU sends to the control mechanism of suction valve and opens suction valve signal, described control mechanism performs and opens suction valve order, open suction valve, pressurized gas in described gas holder enter atmospheric pressure cavity, pressure in described atmospheric pressure cavity raises, when preset pressure value equals the force value measured by pressure transducer A, described MCU sends the signal of closing suction valve to the control mechanism of suction valve, described control mechanism performs closes suction valve order, close suction valve, if preset pressure value is less than the force value measured by pressure transducer A, the control mechanism of described MCU discharge air valve sends the signal opening outlet valve, described control mechanism performs and opens outlet valve order, open outlet valve, pressurized gas in described atmospheric pressure cavity are discharged by gas outlet, when preset pressure value equals the force value measured by pressure transducer A, the control mechanism of described MCU discharge air valve sends the signal of cutting out outlet valve, described control mechanism performs closes outlet valve order, closes outlet valve, when force value measured by described pressure transducer B equals the force value measured by pressure transducer A, the mode of suspension of vehicle is automatically made normal mode, described MCU sends the command signal of throttle down to the control mechanism of suction valve and outlet valve, control mechanism fill order closes suction valve and outlet valve, if driver selects comfortable mode of suspension, described MCU sends the command signal opening valve to the control mechanism of suction valve, control mechanism fill order opens suction valve.
In such scheme, by being provided with pressure transducer in the suction tude in atmospheric pressure cavity and between gas holder and suction valve, according to the height needs on different suspension soft or hards or chassis, after MCU accepts the order of console, the order that perform is sent to each actuator, make driver promptly can control the vehicle body form of vehicle, change the state hung, can make to be hung with cirrhosis soft or soft hardening come satisfied driving demand.
A kind of oil gas suspended device, be set with atmospheric pressure value P1, P2, the P3 under comfortable, normal, motion three kinds of mode of suspension in described MCU, described atmospheric pressure value P1=1.2P2=1.44P3, driver can select mode of suspension at console.
In such scheme, by setting different mode of suspension, driver in different road conditions problems that sweetly disposition is met, can make the control of suspension more humane, more can adapt to the work of vehicle.
A kind of oil gas suspended device, be provided with signal adapter between the control mechanism of described MCU and suction valve, the control mechanism of outlet valve, described signal adapter is digital to analog converter, has analog-digital converter between pressure transducer and MCU.
In such scheme, can convert electrical signals to by the conversion of the signal of analog-digital converter the digital signal that MCU can identify, the digital signal of MCU can be converted to by digital to analog converter the electrical signal that control mechanism can identify.
The invention has the beneficial effects as follows:
1, by being provided with suction tude and the gas outlet of gas holder on the wall of atmospheric pressure cavity chamber, make, in the atmospheric pressure cavity of oleo-pneumatic suspension, there is different air pressure and tolerance, thus regulate the height on soft or hard and the chassis hung, regulate passing ability and the travelling comfort of vehicle or regulate the stability of vehicle and handling, the integration capability of mine car is provided;
2, by being provided with pressure transducer, MCU and valve control device; the gas in control atmospheric pressure cavity is made to become simple; operator only needs to select comfortable, normal or motor pattern as required; make whole suspension arrangement become active suspension, better, more fast can make a response according to different road conditions.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Mark in figure: 1 be pressurized gas, 2 be working solution, 3 be oil gas barrier film, 4 for clutch release slave cylinder, 4-1 be atmospheric pressure cavity, 4-2 be hydraulic pressure cavity, 5 is piston, 6 be suction tude, 7 be suction valve, 8 be gas outlet, 9 be outlet valve, 10 be gas holder.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
Oil gas suspended device as shown in Figure 1, comprise pressurized gas 1, working solution 2, oil gas barrier film 3, clutch release slave cylinder 4, atmospheric pressure cavity 4-1, hydraulic pressure cavity 4-2, piston 5, suction tude 6, suction valve 7, gas outlet 8, outlet valve 9, gas holder 10, described oleo-pneumatic suspension comprises pressurized gas 1, piston 5, oil gas barrier film 3, working solution 2, clutch release slave cylinder 4, described piston 5 and oil gas barrier film 3 are installed in clutch release slave cylinder 4, working solution 2 is filled with between described piston 5 and oil gas barrier film 3, clutch release slave cylinder 4 is divided into atmospheric pressure cavity 4-1 and hydraulic pressure cavity 4-2 by described oil gas barrier film 3, the atmospheric pressure cavity 4-2 chamber wall of described clutch release slave cylinder 4 is provided with suction tude 6 and gas outlet 8, described suction tude 6 is connected to gas holder 10, described suction tude 6 is provided with suction valve 7, and described suction valve 7 is fast open valve closing, and described suction valve 7 is provided with control gear, the internal diameter d1=15mm of described suction tude 6, and the material of described suction tude 6 is 420 Stainless Steel Tubes, described gas outlet 8 is provided with outlet valve 9, described outlet valve 9 is provided with control gear, described outlet valve 9 is fast open valve closing, the relief opening of described outlet valve 9 is provided with air-flow decompressor, the outlet of described decompressor is provided with silencing apparatus, the internal diameter of described gas outlet 8 is 25mm, and the material of described gas outlet 8 is rubber pipe, described silencing apparatus is Small-Bore Jet Noise Muffler, and the material of described silencing apparatus is 304 stainless steels, the shape of described gas holder 10 is tubular, volume in described gas holder 10 is 10 times of gas volume in clutch release slave cylinder 4, gas pressure intensity in described gas holder 10 is 3 times of gas pressure intensity in clutch release slave cylinder 4, the material of described gas holder 10 is 304 stainless steels, described gas holder 10 is connected by quick connector with suction tude 6, and the gas medium in described gas holder 10 is argon gas, pressure transducer A is provided with in described atmospheric pressure cavity 4-1, pressure transducer B is provided with in described suction tude 6, described pressure transducer B is between gas holder 10 and suction valve 7, described pressure transducer A, pressure transducer B by the pressure signal transmission that records to MCU, the sensor that can bear high pressure, antidetonation selected by pressure transducer, MCU selects 32 high performance processors, digital signal is converted the electrical signal to by signal processing module, after described MCU receives pressure signal, pressure signal is converted to pressure value, described MCU is connected with the control mechanism of suction valve 7 with outlet valve 9 respectively by datawire, described MCU can send the signal of opening/closing valve to suction valve 7 and the control mechanism of outlet valve 9, described suction valve 7 and the control mechanism of outlet valve 9 perform the order of opening/closing valve according to the signal received,
The force value that described MCU presets according to different mode of suspension compares with the force value measured by pressure transducer A, if preset pressure value is greater than the force value measured by pressure transducer A, described MCU sends to the control mechanism of suction valve 7 and opens suction valve 7 signal, suction valve 7 is opened in described control mechanism execution orders, open suction valve 7, pressurized gas in described gas holder 10 enter atmospheric pressure cavity 4-1, pressure in described atmospheric pressure cavity 4-1 raises, when preset pressure value equals the force value measured by pressure transducer A, described MCU sends the signal of closing suction valve 7 to the control mechanism of suction valve 7, described control mechanism performs cut out suction valve 7 and orders, close suction valve 7, if preset pressure value is less than the force value measured by pressure transducer A, the control mechanism of described MCU discharge air valve 9 sends the signal opening outlet valve 9, outlet valve 9 is opened in described control mechanism execution orders, open outlet valve 9, pressurized gas in described atmospheric pressure cavity 4-1 are discharged by gas outlet 8, when preset pressure value equals the force value measured by pressure transducer A, the control mechanism of described MCU discharge air valve 9 sends the signal of cutting out outlet valve 9, described control mechanism performs cut out outlet valve 9 and orders, and closes outlet valve 9,
When force value measured by described pressure transducer B equals the force value measured by pressure transducer A, the mode of suspension of vehicle is automatically made normal mode, described MCU sends the command signal of throttle down to suction valve 7 and the control mechanism of outlet valve 9, control mechanism fill order closes suction valve 7 and outlet valve 9, if driver selects comfortable mode of suspension, described MCU sends the command signal opening valve to the control mechanism of suction valve 7, control mechanism fill order opens suction valve 7.
Be set with in described MCU comfortable, normal, motion three kinds of mode of suspension under atmospheric pressure value P1, P2, P3, described atmospheric pressure value P1=1.2P2=1.44P3, driver can select mode of suspension at console.
The operating principle of oil gas suspended device of the present invention:
1, when mine car travels on normal road surface, speed is not fast especially, and the air pressure in oil gas suspended device is normal, now need not regulate the air pressure in the atmospheric pressure cavity 4-1 of oil gas suspended device and tolerance.
2, when mine car is when digging up mine some lade, when a large amount of ores or colliery are poured in mine car container, have powerful impact to mine car, mining point potted road surface is many, now by opening suction valve 7, make the gas in gas holder 10 enter atmospheric pressure cavity 4-1, the gas in atmospheric pressure cavity 4-1 is increased, increase the chassis height of mine car, increase the passing ability of car two, gas in atmospheric pressure cavity 4-1 increases, and is equivalent to the cushioning stroke adding vehicle, the impact effectively to vehicle during buffering lade.
When mine car is when running at high speed, in order to improve mine car stability in the process of moving and handling, opening outlet valve 9, bleeding off the partial high pressure gas in atmospheric pressure cavity 4-1, the chassis of mine car is reduced, and whole suspension stiffness is promoted, the pressurized gas bled off, through air-flow decompressor, make the air pressure of discharging reduce, avoid affecting miscellaneous part, post-decompression gas, again through silencing apparatus, reduces the noise in exhaust process, increases the comfort level of mine car working environment.
Claims (8)
1. an oil gas suspended device, described oleo-pneumatic suspension comprises pressurized gas (1), piston (5), oil gas barrier film (3), working solution (2), clutch release slave cylinder (4), described piston (5) and oil gas barrier film (3) are installed in clutch release slave cylinder (4), working solution (2) is filled with between described piston (5) and oil gas barrier film (3), it is characterized in that, clutch release slave cylinder (4) is divided into atmospheric pressure cavity (4-1) and hydraulic pressure cavity (4-2) by described oil gas barrier film (3), atmospheric pressure cavity (4-2) the chamber wall of described clutch release slave cylinder (4) is provided with suction tude (6) and gas outlet (8), described suction tude (6) is connected to gas holder (10).
2. oil gas suspended device according to claim 1, it is characterized in that, described suction tude (6) is provided with suction valve (7), described suction valve (7) is fast open valve closing, described suction valve (7) is provided with control gear, internal diameter d1=3 ~ the 30mm of described suction tude (6), the material of described suction tude (6) is metal tube.
3. oil gas suspended device according to claim 1, it is characterized in that, described gas outlet (8) is provided with outlet valve (9), described outlet valve (9) is provided with control gear, described outlet valve (9) is fast open valve closing, and the relief opening of described outlet valve (9) is provided with air-flow decompressor, and the outlet of described decompressor is provided with silencing apparatus, the internal diameter of described gas outlet (8) is 5 ~ 40mm, and the material of described gas outlet (8) is metal tube or rubber pipe.
4. oil gas suspended device according to claim 3, is characterized in that, described silencing apparatus is Small-Bore Jet Noise Muffler, and the material of described silencing apparatus is stainless steel.
5. oil gas suspended device according to claim 1, it is characterized in that, the shape of described gas holder (10) is tubular, volume in described gas holder (10) is more than 5 times of clutch release slave cylinder (4) interior gas volume, gas pressure intensity in described gas holder (10) is more than 1.5 times of clutch release slave cylinder (4) interior gas pressure intensity, the material of described gas holder (10) is stainless steel, described gas holder (10) is connected by quick connector with suction tude (6), and the gas medium in described gas holder (10) is argon gas.
6. the oil gas suspended device according to claim 1-5, it is characterized in that, pressure transducer A is provided with in described atmospheric pressure cavity (4-1), described suction tude is provided with pressure transducer B in (6), described pressure transducer B is positioned between gas holder (10) and suction valve (7), described pressure transducer A, pressure transducer B by the pressure signal transmission that records to MCU, digital signal is converted the electrical signal to by signal processing module, after described MCU receives pressure signal, pressure signal is converted to pressure value;
Described MCU is connected with the control mechanism of suction valve (7) with outlet valve (9) respectively by datawire, described MCU can send the signal of opening/closing valve to suction valve (7) and the control mechanism of outlet valve (9), described suction valve (7) performs the order of opening/closing valve with the control mechanism of outlet valve (9) according to the signal received;
The force value that described MCU presets according to different mode of suspension compares with the force value measured by pressure transducer A, if preset pressure value is greater than the force value measured by pressure transducer A, described MCU sends to the control mechanism of suction valve (7) and opens suction valve (7) signal, described control mechanism performs opens suction valve (7) order, open suction valve (7), pressurized gas in described gas holder (10) enter atmospheric pressure cavity (4-1), pressure in described atmospheric pressure cavity (4-1) raises, when preset pressure value equals the force value measured by pressure transducer A, described MCU sends the signal of closing suction valve (7) to the control mechanism of suction valve (7), described control mechanism performs closes suction valve (7) order, close suction valve (7), if preset pressure value is less than the force value measured by pressure transducer A, the control mechanism of described MCU discharge air valve (9) sends the signal opening outlet valve (9), described control mechanism performs opens outlet valve (9) order, open outlet valve (9), pressurized gas in described atmospheric pressure cavity (4-1) are discharged by gas outlet (8), when preset pressure value equals the force value measured by pressure transducer A, the control mechanism of described MCU discharge air valve (9) sends the signal of cutting out outlet valve (9), described control mechanism performs closes outlet valve (9) order, close outlet valve (9),
When force value measured by described pressure transducer B equals the force value measured by pressure transducer A, the mode of suspension of vehicle is automatically made normal mode, described MCU sends the command signal of throttle down to suction valve (7) and the control mechanism of outlet valve (9), control mechanism fill order closes suction valve (7) and outlet valve (9), if driver selects comfortable mode of suspension, described MCU sends the command signal opening valve to the control mechanism of suction valve (7), control mechanism fill order opens suction valve (7).
7. the controlling method of oil gas suspended device according to claim 6, it is characterized in that, be set with in described MCU comfortable, normal, motion three kinds of mode of suspension under atmospheric pressure value P1, P2, P3, described atmospheric pressure value P1=1.2P2=1.44P3, driver can select mode of suspension at console.
8. the controlling method of oil gas suspended device according to claim 6, it is characterized in that, signal adapter is provided with between the control mechanism of described MCU and suction valve (7), the control mechanism of outlet valve (9), described signal adapter is digital to analog converter, has analog-digital converter between pressure transducer and MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510801402.6A CN105351421A (en) | 2015-11-19 | 2015-11-19 | Hydro-pneumatic suspension device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510801402.6A CN105351421A (en) | 2015-11-19 | 2015-11-19 | Hydro-pneumatic suspension device |
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| CN105351421A true CN105351421A (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510801402.6A Pending CN105351421A (en) | 2015-11-19 | 2015-11-19 | Hydro-pneumatic suspension device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087473A (en) * | 2017-12-03 | 2018-05-29 | 中国直升机设计研究所 | A kind of gas-liquid bullet double frequency vibration isolator |
| CN109703316A (en) * | 2019-01-24 | 2019-05-03 | 中北大学 | A kind of compound quick response suspension arrangement of high, normal, basic three-level |
| CN109990036A (en) * | 2019-01-24 | 2019-07-09 | 中北大学 | A kind of compound quick response suspension control method of three-level gas-liquid |
| CN113847379A (en) * | 2021-08-31 | 2021-12-28 | 东风汽车集团股份有限公司 | Shock absorber damping adjusting system and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2926663Y (en) * | 2006-04-29 | 2007-07-25 | 杨德君 | Intelligent pneumatic spring |
| CN201090650Y (en) * | 2007-07-24 | 2008-07-23 | 比亚迪股份有限公司 | Air bag type gas spring |
| JP4305280B2 (en) * | 2004-05-25 | 2009-07-29 | トヨタ自動車株式会社 | Vehicle height adjustment device |
| CN104047987A (en) * | 2014-06-18 | 2014-09-17 | 江苏大学 | Novel hydro-pneumatic spring |
| CN104421369A (en) * | 2013-08-19 | 2015-03-18 | 北汽福田汽车股份有限公司 | Hydro-pneumatic spring and vehicle |
| CN105059075A (en) * | 2015-09-17 | 2015-11-18 | 上海海事大学 | Two-stage regulating system and method of height of car body |
| CN205190621U (en) * | 2015-11-19 | 2016-04-27 | 成都九十度工业产品设计有限公司 | Hydro -pneumatic suspension device |
-
2015
- 2015-11-19 CN CN201510801402.6A patent/CN105351421A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4305280B2 (en) * | 2004-05-25 | 2009-07-29 | トヨタ自動車株式会社 | Vehicle height adjustment device |
| CN2926663Y (en) * | 2006-04-29 | 2007-07-25 | 杨德君 | Intelligent pneumatic spring |
| CN201090650Y (en) * | 2007-07-24 | 2008-07-23 | 比亚迪股份有限公司 | Air bag type gas spring |
| CN104421369A (en) * | 2013-08-19 | 2015-03-18 | 北汽福田汽车股份有限公司 | Hydro-pneumatic spring and vehicle |
| CN104047987A (en) * | 2014-06-18 | 2014-09-17 | 江苏大学 | Novel hydro-pneumatic spring |
| CN105059075A (en) * | 2015-09-17 | 2015-11-18 | 上海海事大学 | Two-stage regulating system and method of height of car body |
| CN205190621U (en) * | 2015-11-19 | 2016-04-27 | 成都九十度工业产品设计有限公司 | Hydro -pneumatic suspension device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087473A (en) * | 2017-12-03 | 2018-05-29 | 中国直升机设计研究所 | A kind of gas-liquid bullet double frequency vibration isolator |
| CN109703316A (en) * | 2019-01-24 | 2019-05-03 | 中北大学 | A kind of compound quick response suspension arrangement of high, normal, basic three-level |
| CN109990036A (en) * | 2019-01-24 | 2019-07-09 | 中北大学 | A kind of compound quick response suspension control method of three-level gas-liquid |
| CN113847379A (en) * | 2021-08-31 | 2021-12-28 | 东风汽车集团股份有限公司 | Shock absorber damping adjusting system and method |
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