CN101818780B - Multi-gear damping control damping system - Google Patents
Multi-gear damping control damping system Download PDFInfo
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- CN101818780B CN101818780B CN 200910265248 CN200910265248A CN101818780B CN 101818780 B CN101818780 B CN 101818780B CN 200910265248 CN200910265248 CN 200910265248 CN 200910265248 A CN200910265248 A CN 200910265248A CN 101818780 B CN101818780 B CN 101818780B
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Abstract
The invention relates to a multi-gear damping control damping system comprising a hydraulic cylinder and an oil storage cylinder, wherein the hydraulic cylinder comprises a cylinder sleeve, a piston and a piston rod; the piston can be slidably arranged in the cylinder sleeve; two ends of the cylinder sleeve of the hydraulic cylinder are sealed by a first valve block and a second valve block; one end of the piston rod is connected with the piston; the other end of the piston rod penetrates out of the second valve block; the cylinder sleeve is divided into a first cylinder area and a second cylinder area by the piston; the first cylinder area and the second cylinder area are respectively connected with the first valve block and the second valve block; the first cylinder area is communicated with the oil storage cylinder which is respectively communicated with the second valve block through a first solenoid valve and a second solenoid valve; and the second valve block is communicated with the second cylinder area. The multi-gear damping control damping system has the advantages of ingenious design, concise and compact structure, low processing and manufacture difficulty, reduced production cost, convenient maintenance, reliable performance, normal use free from maintenance, realization of damping multi-gear regulation, favorable damping effect, stable operation, little possibility of locking phenomenon and suitability of large-scale popularization and application.
Description
Technical field
The present invention relates to vehicle damping shock absorption control system technical field, particularly vehicle specifically refers to a kind of multi-gear damping control damping system with damping shock absorption hydraulic control system technical field.
Background technique
Along with developing rapidly of China auto manufacturing, various vehicle manufacturing industry are also being advanced by leaps and bounds, but the key technology of a lot of systems is still monopolized by foreign technology, what the damping shock absorption system that uses on the present domestic vehicle generally adopted is Machinery Control System, and this machinery control shock mitigation system generally is made of jointly the integrating apparatus of executive component (such as oil hydraulic cylinder), hydraulic control device (such as fuel tank, oil pipe and oil circuit control unit), circuit signal collecting transmitter and system.
Its shortcoming is: 1, because executive component separates with hydraulic control device, must be communicated with the high and low pressure oil pipe between them, the high and low pressure oil pipe can produce relative movement and friction in the vehicle movement process, and it is serious to cause hydraulic oil to run, emit, ooze, leak; 2, fuel reserve tank peripheral hardware is owing to volatilization, leakage cause need frequent repairing; 3, the system intergration is poor, and price is higher, safeguards frequent and difficult; 4, system architecture is complicated, and the design and installation space availability ratio is low; 5, limited to by damp adjustable range, the phenomenons such as locking appear in vibration damper easily when vehicle operating high speed or heavy duty, and are not easy to recover, reset.
Therefore, need to provide a kind of multi-gear damping control damping system, its compactness simple for structure, easy for installation, low cost of manufacture, failure rate is low, normal use can realize non-maintaining, working service is convenient simultaneously, is not prone to locking phenomenon.
Summary of the invention
The objective of the invention is to have overcome above-mentioned shortcoming of the prior art, a kind of multi-gear damping control damping system is provided, ingenious, the simple for structure compactness of this system, low, the cost of production reduction, easy to maintenance of manufacturing difficulty, reliable performance, normal use can be accomplished non-maintaining, and many grades of adjustings of realization damping, good damping effect, stable is not prone to locking phenomenon, is suitable for large-scale promotion application.
To achieve these goals, multi-gear damping control damping system of the present invention, comprise oil hydraulic cylinder and oil storage cylinder, described oil hydraulic cylinder comprises cylinder sleeve, piston and piston rod, described piston slidably is arranged in the described cylinder sleeve, described piston rod one end connects described piston, its main feature is, described multi-gear damping control damping system also comprises the first solenoid valve, the second solenoid valve and first throttle valve, described oil hydraulic cylinder also comprises the first valve piece and second valve piece, described the first valve piece and described second valve piece are installed in the sealed at both ends described cylinder sleeve of described cylinder sleeve, the described piston rod the other end passes described second valve piece, described cylinder sleeve is divided into the first cylinder district and the second cylinder district by described piston along its length, described the first valve piece connects described the first cylinder district, described second valve piece connects described the second cylinder district, described the first cylinder district is communicated with described oil storage cylinder by described the first valve piece, described oil storage cylinder is communicated with described second valve piece by described the first solenoid valve and described the second solenoid valve respectively, described second valve piece is communicated with described the second cylinder district, and described the first cylinder district is communicated with described oil storage cylinder by described first throttle valve.
Preferably, described multi-gear damping control damping system also comprises the first one-way valve and the second one-way valve, described the first cylinder district is communicated with respectively described the first one-way valve and described the second one-way valve by described the first valve piece, and described the first one-way valve and described the second one-way valve are communicated with described oil storage cylinder by described first throttle valve respectively.
More preferably, described the first one-way valve, described the second one-way valve and described first throttle valve all are installed in described the first valve piece.
Preferably, described multi-gear damping control damping system also comprises the 3rd one-way valve, the 4th one-way valve, the second throttle valve and the 3rd throttle valve, described oil storage cylinder is communicated with respectively described the first solenoid valve and described the second solenoid valve by described the 3rd throttle valve and described the 4th throttle valve respectively, and described the first solenoid valve and described the second solenoid valve also connect and are communicated with described second valve piece by described the 3rd one-way valve and described the 4th one-way valve respectively afterwards.
More preferably, described the 3rd one-way valve, described the 4th one-way valve, described first segment solenoid valve, described the second solenoid valve, described the second throttle valve and described the 3rd throttle valve all are installed in the described second valve piece.
Preferably, described multi-gear damping control damping system also comprises shell, and described outer cover suit is outside at described cylinder sleeve, and described oil storage cylinder is installed between described cylinder sleeve and the described shell.
More preferably, described the first valve piece and described second valve piece also seal described shell two ends.
Preferably, described multi-gear damping control damping system also comprises the first valve piece joint shaft bearing, clutch shaft bearing fitting seat, second joint bearing and the second bearing mounting base, described the first valve piece has the clutch shaft bearing hole, described the first valve piece joint shaft bearing is arranged in described clutch shaft bearing fitting seat and wears described clutch shaft bearing hole, the other end of described piston rod has the second bearing hole, and described second joint bearing is arranged in described the second bearing mounting base and wears described the second bearing hole.
Preferably, described multi-gear damping control damping system also comprises control unit, and described control unit is electrically connected described the first solenoid valve and described the second solenoid valve.
The present invention has following beneficial effect:
1. the present invention carries out the damping adjusting by the damping of many grades of control hydraulic systems, realizes many grades of adjustings of damping, by many grades of regulative modes control dampings, can make the damping adjustment change rationally smooth and easy, equalization stable, good operation stability:
2. the present invention is as becoming one the oil storage cylinder of hydraulic system and the shell of oil hydraulic cylinder, simple and compact for structure, not only save the pipeline manufacture cost between fuel reserve tank and the oil cylinder and connection charge has been installed, and reduced cost of production, and saved valuable space for the design and installation of system; Particularly since oil storage partly realize airtight, do not had the volatilization and leak, do not need repairing, can realize non-maintaining;
3. liquid tank of the present invention bears in addition the function of pressure, and then makes two chambeies of common vibration damper change three chambeies into owing between shell and cylinder sleeve, the function of oil storage is arranged not only, has realized the multi-control damping in three chambeies; The front and back connecting tube of also having saved two chamber vibration dampers simultaneously;
4. the present invention is because form structure is compact, installing space is flexible, can be suitable for various in, large vehicle, but also can adjust according to the design requirement of different vehicle, applied widely, practicability and strong adaptability;
5. the present invention will not only satisfy the demand of the domestic vehicle market of China, also so that there has been significant progress in China at the large vehicle manufacture view, filled up domestic large vehicle in the blank of multistage control damping shock absorption system, the strong market structure of having reversed by foreign technology monopolization.
Description of drawings
Fig. 1 is the broken section schematic perspective view of a specific embodiment of the present invention.
Fig. 2 is the hydraulic circuit principle system diagram of specific embodiment shown in Figure 1.
Fig. 3 is the schematic perspective view of the first valve piece of specific embodiment shown in Figure 1.
Fig. 4 is the schematic perspective view of the second valve piece of specific embodiment shown in Figure 1.
Fig. 5 is another schematic perspective view of second valve piece shown in Figure 4.
Fig. 6 is the schematic perspective view of specific embodiment shown in Figure 1.
Embodiment
In order more clearly to understand technology contents of the present invention, describe in detail especially exemplified by following examples.
See also Fig. 1～shown in Figure 6, multi-gear damping control damping system of the present invention comprises oil hydraulic cylinder 1 and oil storage cylinder 4, described oil hydraulic cylinder 1 comprises cylinder sleeve 11, piston 15 and piston rod 16, described piston 15 slidably is arranged in the described cylinder sleeve 11, described piston rod 16 1 ends connect described piston 15, described multi-gear damping control damping system also comprises the first solenoid valve 9 and the second solenoid valve 10, described oil hydraulic cylinder 1 also comprises the first valve piece 2 and second valve piece 3, described the first valve piece 2 and described second valve piece 3 are installed in the sealed at both ends described cylinder sleeve 11 of described cylinder sleeve 11, described piston rod 16 the other ends pass described second valve piece 3, described cylinder sleeve 11 is divided into the first cylinder district 17 and the second cylinder district 18 by described piston 15 along its length, described the first valve piece 2 connects described the first cylinder district 17, described second valve piece 3 connects described the second cylinder district 18, described the first cylinder district 17 is communicated with described oil storage cylinder 4 by described the first valve piece 2, described oil storage cylinder 4 is communicated with described second valve piece 3 by described the first solenoid valve 9 and described the second solenoid valve 10 respectively, and described second valve piece 3 is communicated with described the second cylinder district 18.
Preferably, described multi-gear damping control damping system also comprises the first one-way valve 5, the second one-way valve 6 and first throttle valve 12, described the first cylinder district 17 is communicated with respectively described the first one-way valve 5 and described the second one-way valve 6 by described the first valve piece 2, and described the first one-way valve 5 and described the second one-way valve 6 are communicated with described oil storage cylinder 4 by described first throttle valve 12 respectively.In specific embodiments of the invention, described the first one-way valve 5, described the second one-way valve 6 and described first throttle valve 12 all are installed in described the first valve piece 2.
Preferably, described multi-gear damping control damping system also comprises the 3rd one-way valve 7, the 4th one-way valve 8, the second throttle valve 13 and the 3rd throttle valve 14, described oil storage cylinder 4 is communicated with respectively described the first solenoid valve 9 and described the second solenoid valve 10 by described the 3rd throttle valve 13 and described the 4th throttle valve 14 respectively, and described the first solenoid valve 9 and described the second solenoid valve 10 also connect rear respectively by described the 3rd one-way valve 7 and the described second valve piece 3 of described the 4th one-way valve 8 connections.In specific embodiments of the invention, described the 3rd one-way valve 7, described the 4th one-way valve 8, described first segment solenoid valve 9, described the second solenoid valve 10, described the second throttle valve 13 and described the 3rd throttle valve 14 all are installed in the described second valve piece 3.
Preferably, described multi-gear damping control damping system also comprises shell 19, and described shell 19 is sleeved on described cylinder sleeve 11 outsides, and described oil storage cylinder 4 is installed between described cylinder sleeve 11 and the described shell 19.In specific embodiments of the invention, described the first valve piece 2 and described second valve piece 3 also seal described shell 19 two ends.
In specific embodiments of the invention, described multi-gear damping control damping system also comprises the first valve piece joint shaft bearing, clutch shaft bearing fitting seat, second joint bearing and the second bearing mounting base, described the first valve piece 2 has clutch shaft bearing hole 20, described the first valve piece joint shaft bearing is arranged in described clutch shaft bearing fitting seat and wears described clutch shaft bearing hole 20, the other end of described piston rod 16 has the second bearing hole 21, and described second joint bearing is arranged in described the second bearing mounting base and wears described the second bearing hole 21.
Preferably, described multi-gear damping control damping system also comprises control unit, and described control unit is electrically connected described the first solenoid valve 9 and described the second solenoid valve 10.
The present invention by described piston 15 along described cylinder sleeve 11 length directions, two chambeies (i.e. the first cylinder district 17 and the second cylinder district 18) that described cylinder sleeve 11 intervals are arranged to change.In addition described oil storage cylinder 4, thus realize three chamber functions of the present invention.The present invention is rationally integrated with each parts, has saved the parts such as oil pipe, has reduced cost of production.
When the other end of piston rod 16 is subject to thrust from from second valve piece 3 to the first valve piece 2, pushing piston 15 is moved to described the first valve piece 2 from described second valve piece 3, this moment, described the second one-way valve 6 was closed, described the first one-way valve 5 is opened, hydraulic oil enters described oil storage cylinder 4 through described first throttle valve 12 with hydraulic oil by described the first one-way valve 5 from the described first cylinder district 17 of oil hydraulic cylinder 1, described the 3rd one-way valve 7 is closed simultaneously, described the 4th one-way valve 8 is opened, hydraulic oil, and enters in the described second cylinder district 18 of close described second valve piece 3 of oil hydraulic cylinder 1 by described the 4th one-way valve 8 behind the interflow through described the first solenoid valve 9 and the second solenoid valves 10 by described the second throttle valve 13 and the 3rd throttle valve 14 again.
When described the first solenoid valve 9 and described the second solenoid valve 10 were opened simultaneously, described multi-gear damping control damping system provided first grade of damping; Close when described the first solenoid valve 9, when described the second solenoid valve 10 was opened, described multi-gear damping control damping system provided the second gear damping; Open when described the first solenoid valve 9, when described the second solenoid valve 10 cut out, described multi-gear damping control damping system provided the third gear damping; When described the first solenoid valve 9 and described the second solenoid valve 10 were closed simultaneously, described multi-gear damping control damping system provided the fourth speed damping, and damping this moment can be considered as infinity.
The size of first grade of damping, second gear damping, third gear damping depends on the size that described first throttle valve 12, the second throttle valve 13, the 3rd throttle valve 14 bores are selected.
Otherwise, when the other end of piston rod 16 is subject to doing the time spent from the first valve piece 2 to the pulling force of second valve piece 3, to spur piston 15 moves to described second valve piece 3 from described the first valve piece 2, this moment, described the 4th one-way valve 8 was closed, described the 3rd one-way valve 7 is opened, hydraulic oil passes through described the 3rd one-way valve 7 through described the first solenoid valve 9 and described the second solenoid valves 10 from the described second cylinder district 18 of oil hydraulic cylinder 1, through described the second throttle valve 13 and the 3rd throttle valve 14 hydraulic oil is entered described oil storage cylinder 4 respectively again, described the first one-way valve 5 is closed simultaneously, described the second one-way valve 6 is opened, and hydraulic oil enters by described first throttle valve 12 in the described second cylinder district 17 of close described the first valve piece 2 of oil hydraulic cylinder 1.
Equally, when described the first solenoid valve 9 and described the second solenoid valve 10 were opened simultaneously, described multi-gear damping control damping system provided first grade of damping; Close when described the first solenoid valve 9, when described the second solenoid valve 10 was opened, described multi-gear damping control damping system provided the second gear damping; Open when described the first solenoid valve 9, when described the second solenoid valve 10 cut out, described multi-gear damping control damping system provided the third gear damping; When described the first solenoid valve 9 and described the second solenoid valve 10 were closed simultaneously, described multi-gear damping control damping system provided the fourth speed damping, and damping this moment can be considered as infinity.
Same, the size of first grade of damping, second gear damping, third gear damping also depends on the size that described first throttle valve 12, the second throttle valve 13, the 3rd throttle valve 14 bores are selected.
The present invention can extensive use on all kinds of large vehicles, now set forth mounting type take the engine postpositioned large-sized articulated coach as example, the present invention is installed on the chassis hinging system of this type of passenger vehicle, the left and right multi-gear damping control damping system of the present invention of respectively installing, described the first valve piece 2 and described piston rod 16 are installed on rear kickstand and the front kickstand by clutch shaft bearing fitting seat and the second bearing mounting base respectively.In chassis hinging system, there is electric controller to link to each other with the second solenoid valve 10 with the first solenoid valve 9 of the present invention, when travelling, turn inside diameter can according to the angle signal of angle transducer transmission, decide the Push And Release of described the first solenoid valve 9 and the second solenoid valve 10; In the vehicle straight-line travelling, also can decide according to travelling speed the Push And Release of described the first solenoid valve 9 and the second solenoid valve 10; In vehicle backing, also can decide according to the angle signal of angle transducer transmission the Push And Release of described the first solenoid valve 9 and the second solenoid valve 10, because the different shelves damping that the various combination of described the first solenoid valve 9 and the Push And Release of the second solenoid valve 10 produces, and then the stability of maintenance Vehicle Driving Cycle, and smoothness.
To sum up, multi-gear damping control damping system design of the present invention compactness ingenious, simple for structure, low, the cost of production reduction, easy to maintenance of manufacturing difficulty, reliable performance, normal use can be accomplished non-maintaining, and many grades of adjustings of realization damping, good damping effect, stable, be not prone to locking phenomenon, be suitable for large-scale promotion application.
In this specification, the present invention is described with reference to its specific embodiment.But, still can make various modifications and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, the above only is specific embodiments of the invention and the know-why used, anyly changes based on the equivalence on the technical solution of the present invention basis, all belongs within the protection domain of the present invention.
Claims (9)
1. multi-gear damping control damping system, comprise oil hydraulic cylinder and oil storage cylinder, described oil hydraulic cylinder comprises cylinder sleeve, piston and piston rod, described piston slidably is arranged in the described cylinder sleeve, described piston rod one end connects described piston, it is characterized in that, described multi-gear damping control damping system also comprises the first solenoid valve, the second solenoid valve and first throttle valve, described oil hydraulic cylinder also comprises the first valve piece and second valve piece, described the first valve piece and described second valve piece are installed in the sealed at both ends described cylinder sleeve of described cylinder sleeve, the described piston rod the other end passes described second valve piece, described cylinder sleeve is divided into the first cylinder district and the second cylinder district by described piston along its length, described the first valve piece connects described the first cylinder district, described second valve piece connects described the second cylinder district, described the first cylinder district is communicated with described oil storage cylinder by described the first valve piece, described oil storage cylinder is communicated with described second valve piece by described the first solenoid valve and described the second solenoid valve respectively, described second valve piece is communicated with described the second cylinder district, and described the first cylinder district is communicated with described oil storage cylinder by described first throttle valve.
2. multi-gear damping control damping system according to claim 1, it is characterized in that, described multi-gear damping control damping system also comprises the first one-way valve and the second one-way valve, described the first cylinder district is communicated with respectively described the first one-way valve and described the second one-way valve by described the first valve piece, and described the first one-way valve and described the second one-way valve are communicated with described oil storage cylinder by described first throttle valve respectively.
3. multi-gear damping control damping system according to claim 2 is characterized in that, described the first one-way valve, described the second one-way valve and described first throttle valve all are installed in described the first valve piece.
4. multi-gear damping control damping system according to claim 1, it is characterized in that, described multi-gear damping control damping system also comprises the 3rd one-way valve, the 4th one-way valve, the second throttle valve and the 3rd throttle valve, described oil storage cylinder is communicated with respectively described the first solenoid valve and described the second solenoid valve by described the 3rd throttle valve and described the 4th throttle valve respectively, and described the first solenoid valve and described the second solenoid valve also connect and are communicated with described second valve piece by described the 3rd one-way valve and described the 4th one-way valve respectively afterwards.
5. multi-gear damping control damping system according to claim 4, it is characterized in that described the 3rd one-way valve, described the 4th one-way valve, described first segment solenoid valve, described the second solenoid valve, described the second throttle valve and described the 3rd throttle valve all are installed in the described second valve piece.
6. multi-gear damping control damping system according to claim 1 is characterized in that, described multi-gear damping control damping system also comprises shell, and described outer cover suit is outside at described cylinder sleeve, and described oil storage cylinder is installed between described cylinder sleeve and the described shell.
7. multi-gear damping control damping system according to claim 6 is characterized in that, described the first valve piece and described second valve piece also seal described shell two ends.
8. multi-gear damping control damping system according to claim 1, it is characterized in that, described multi-gear damping control damping system also comprises the first valve piece joint shaft bearing, clutch shaft bearing fitting seat, second joint bearing and the second bearing mounting base, described the first valve piece has the clutch shaft bearing hole, described the first valve piece joint shaft bearing is arranged in described clutch shaft bearing fitting seat and wears described clutch shaft bearing hole, the other end of described piston rod has the second bearing hole, and described second joint bearing is arranged in described the second bearing mounting base and wears described the second bearing hole.
9. multi-gear damping control damping system according to claim 1 is characterized in that, described multi-gear damping control damping system also comprises control unit, and described control unit is electrically connected described the first solenoid valve and described the second solenoid valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910265248 CN101818780B (en) | 2009-12-18 | 2009-12-18 | Multi-gear damping control damping system |
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| CN 200910265248 CN101818780B (en) | 2009-12-18 | 2009-12-18 | Multi-gear damping control damping system |
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| CN101818780A CN101818780A (en) | 2010-09-01 |
| CN101818780B true CN101818780B (en) | 2013-05-29 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102152719B (en) * | 2011-02-15 | 2012-09-19 | 伊卡路斯(苏州)车辆系统有限公司 | Damping control buffering system with high integration |
| CN102278406B (en) * | 2011-06-20 | 2013-06-26 | 芜湖弘祥汽车减振器工业有限公司 | Absorber for adjusting damping force |
| WO2013122039A1 (en) * | 2012-02-16 | 2013-08-22 | 株式会社コスメック | Cylinder device having power assist mechanism |
| CN103032409B (en) * | 2012-12-27 | 2015-04-15 | 广州市阿盖特科技有限公司 | Flexible buffer device for dredger harrow pipe |
| CN104019080A (en) * | 2014-06-23 | 2014-09-03 | 柳州柳工液压件有限公司 | Oil supplement cylinder |
| CN104329406B (en) * | 2014-10-16 | 2016-05-04 | 伊卡路斯(苏州)车辆系统有限公司 | Realize the rotating hydraulic bjuffer of vehicle safety and method thereof based on articulated system |
| CN104455165B (en) * | 2014-10-27 | 2016-08-24 | 伊卡路斯(苏州)车辆系统有限公司 | Hinging system for hinged chassis |
| CN108443396A (en) * | 2018-01-15 | 2018-08-24 | 广东工业大学 | A kind of wind turbine TMD dampers damping device and its installation method |
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| CN2622478Y (en) * | 2003-06-09 | 2004-06-30 | 江苏大学 | Damping adjustable vibration-damper |
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