CN102032307B - Controllable damp shock absorption hydraulic control system - Google Patents
Controllable damp shock absorption hydraulic control system Download PDFInfo
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- CN102032307B CN102032307B CN 200910196796 CN200910196796A CN102032307B CN 102032307 B CN102032307 B CN 102032307B CN 200910196796 CN200910196796 CN 200910196796 CN 200910196796 A CN200910196796 A CN 200910196796A CN 102032307 B CN102032307 B CN 102032307B
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Abstract
The invention relates to a controllable damp shock absorption hydraulic control system. Two ends of the liner of the hydraulic cylinder of the hydraulic control system are sealed by a first valve block and a s second valve block; one end of the piston rod is connected with a piston, and the other end passes through the second valve block; the liner of the hydraulic cylinder is divided into a first part and a second part, wherein the first part and the second part are respectively connected with a first hydraulic valve and a second hydraulic valve by the first valve block and the second valve block; the first hydraulic valve and the second hydraulic valve are respectively connected with a second solenoid valve by a first solenoid valve; the second solenoid valve is respectively communicated with a third hydraulic valve and a fourth hydraulic valve by an oil tank; the third hydraulic valve and the fourth hydraulic valve are respectively communicated with the first part and the second part. Preferably, the invention also comprises a fifth hydraulic valve, and the first hydraulic valve and the second hydraulic valve are respectively connected with the second solenoid valve by the fifth hydraulic valve. The invention has artful design, compact and simple structure, low processing and manufacturing difficulty, lower production cost, convenient maintenance, good shock absorption effect and stable operation, realizes stepless regulation of damp, has small possibility of locking and is suitable for large-scale popularization and application.
Description
Technical field
The present invention relates to automobile-used damping shock absorption control system technical field, particularly automobile-used damping shock absorption hydraulic control system technical field specifically is meant a kind of controllable damping damping hydraulic control system.
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 up of the integrating apparatus of executive component (like oil hydraulic cylinder), hydraulic control device (like fuel tank, oil pipe and oil circuit control unit), circuit signal collecting transmitter and system jointly.
Its shortcoming is: 1, system architecture somewhat complex design installing space utilization ratio is low; 2, damping is that damping is adjusted to gear-type and regulates through the fixing damping value of pipeline; 3, dampened regulation range limitation, phenomenons such as locking appear in vibration damper easily when vehicle operating high speed or heavy duty.
Therefore, a kind of damping shock absorption hydraulic control system need be provided, its compactness simple for structure, damping step-less adjustment are 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 controllable damping damping hydraulic control system is provided; Ingenious, the simple for structure compactness of this system design, low, the cost of production reduction, easy to maintenance of manufacturing difficulty realize the damping step-less adjustment, are not prone to locking phenomenon; Good damping effect, stable is suitable for large-scale promotion application.
To achieve these goals; The invention provides a kind of controllable damping damping hydraulic control system; Said oil hydraulic cylinder comprises cylinder sleeve, piston and piston rod; Said piston slidably is arranged in the said cylinder sleeve, and said piston rod one end connects said piston, it is characterized in that; Said controllable damping damping hydraulic control system also comprises, first hydrovalve, second hydrovalve, the 3rd hydrovalve, the 4th hydrovalve, first solenoid valve and second solenoid valve; Said oil hydraulic cylinder also comprises the first valve piece and the second valve piece, and said first valve piece and the said second valve piece are installed in the said cylinder sleeve of sealed at both ends of said cylinder sleeve, and the said piston rod the other end connects the said second valve piece; Said cylinder sleeve is divided into first portion and second portion along its length; The said first valve piece connects said first portion, and the said second valve piece connects said second portion, and said first portion and said second portion are communicated with said first hydrovalve and said second hydrovalve respectively through said first valve piece and the said second valve piece respectively; Said first hydrovalve and said second hydrovalve are communicated with said first solenoid valve, and said first solenoid valve is communicated with the said fuel reserve tank of said fuel reserve tank through said second solenoid valve and is communicated with said first portion and said second portion respectively through said the 3rd hydrovalve and said the 4th hydrovalve respectively.
Preferably, said the 3rd hydrovalve is integrated in the said first valve piece, and said the 4th hydrovalve is integrated in the said second valve piece.
More preferably; Said controllable damping damping hydraulic control system also comprises oil pipe; Said first solenoid valve and said second solenoid valve are installed on the outer surface of the said second valve piece; Said first hydrovalve and said second hydrovalve are integrated in the said second valve piece, and said oil pipe is positioned at outside the said cylinder sleeve, and the said first valve piece is communicated with said first hydrovalve through said oil pipe.
Preferably, said the 3rd hydrovalve and said the 4th hydrovalve are arranged on the said cylinder sleeve along said cylinder sleeve length direction at interval.
Preferably, said controllable damping damping hydraulic control system also comprises the 5th hydrovalve, and said first hydrovalve and said second hydrovalve are communicated with said second solenoid valve through said the 5th hydrovalve respectively.
More preferably, said the 5th hydrovalve is integrated in the said second valve piece.
Preferably; Said controllable damping damping hydraulic control system also comprises pressure transducer, electric controller, display unit and warning device; Said pressure transducer is communicated with said first hydrovalve and said second hydrovalve respectively, and said pressure transducer is electrically connected said display unit and said warning device respectively through said electric controller.
Preferably, said controllable damping damping hydraulic control system also comprises shell, and it is outside that said shell is socketed in said cylinder sleeve, and said fuel reserve tank is installed between said cylinder sleeve and the said shell.
More preferably, said first solenoid valve and said second solenoid valve are installed on the outer surface of said shell, and said first hydrovalve, said second hydrovalve and said the 3rd hydrovalve all are integrated on the outer surface of described shell.
Preferably; Said controllable damping damping hydraulic control system also comprises the first valve piece joint shaft bearing, clutch shaft bearing fitting seat, the second valve piece joint shaft bearing and the second Bearing Installation seat; The said first valve piece has the clutch shaft bearing hole; The said first valve piece joint shaft bearing is arranged in said clutch shaft bearing fitting seat and wears said clutch shaft bearing hole; The other end of described piston rod has second bearing hole, and the said second valve piece joint shaft bearing is arranged in the said second Bearing Installation seat and wears said second bearing hole.
The present invention has following beneficial effect:
1. the present invention carries out damping damping adjusting through the flow of controlled hydraulic system, realizes the damping step-less adjustment, is not prone to locking phenomenon, so good damping effect; Show that through test data the present invention controls damping through the mode of regulating flow can make the damping adjustment change rationally smooth and easy, equalization stable, good operation stability;
2. the present invention becomes one the fuel reserve tank of hydraulic system and the shell of oil hydraulic cylinder; Simple and compact for structure; Pipeline manufacture cost and installation connection charge between fuel reserve tank and the oil cylinder have not only been saved; Make that the manufacturing difficulty is low, cost of production reduces, and has saved valuable space for the design and installation of system;
3. 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 adaptability are strong;
4. the present invention will not only satisfy the demand of the domestic vehicle market of China; Also make China significant progress arranged at the large vehicle manufacture view; Filled up the blank of homemade large vehicle, the strong market structure of having reversed by foreign technology monopolization in the damping shock absorption system.
Description of drawings
Fig. 1 is the broken section schematic perspective view of a specific embodiment of the present invention.
Fig. 2 is the schematic perspective view of the first valve piece of specific embodiment shown in Figure 1.
Fig. 3 is the schematic perspective view of the second valve piece of specific embodiment shown in Figure 1.
Fig. 4 is the hydraulic circuit principle schematic of specific embodiment shown in Figure 1.
Fig. 5 is the sectional perspective schematic representation that the vehicle of specific embodiment shown in Figure 1 is installed.
Embodiment
In order more to be expressly understood technology contents of the present invention, the special following examples of lifting specify.
See also Fig. 1～shown in Figure 4; Controllable damping damping hydraulic control system 104 of the present invention; Comprise oil hydraulic cylinder 1 and fuel reserve tank 2; Said oil hydraulic cylinder 1 comprises cylinder sleeve 11, piston 12 and piston rod 13; Said piston 12 slidably is arranged in the said cylinder sleeve 11, and said piston rod 13 1 ends connect said piston 12, also comprises first hydrovalve 21, second hydrovalve 22, the 3rd hydrovalve 23, the 4th hydrovalve 24, first solenoid valve 31 and second solenoid valve 32; Said oil hydraulic cylinder 1 also comprises the first valve piece 14 and the second valve piece 15; The said cylinder sleeve 11 of sealed at both ends that said first valve piece 14 and the said second valve piece 15 are installed in said cylinder sleeve 11, said piston rod 13 the other ends connect the said second valve piece 15, and said cylinder sleeve 11 is divided into first portion 16 and second portion 17 along its length; The said first valve piece 14 connects said first portion 16; The said second valve piece 15 connects said second portion 17, and said first portion 16 is communicated with said first hydrovalve 21 and said second hydrovalve 22 respectively through said first valve piece 14 and the said second valve piece 15 respectively with said second portion 17, and said first hydrovalve 21 is communicated with said first solenoid valve 31 with said second hydrovalve 22; Said first solenoid valve 31 is communicated with said fuel reserve tank 2 through said second solenoid valve 32, and said fuel reserve tank 2 is communicated with said first portion 16 and said second portion 17 respectively through said the 3rd hydrovalve 23 and said the 4th hydrovalve 24 respectively.
Preferably, said the 3rd hydrovalve 23 is integrated in the said first valve piece 14, and said the 4th hydrovalve 24 is integrated in the said second valve piece 15.
In specific embodiment of the present invention; Said controllable damping damping hydraulic control system 104 also comprises oil pipe 4; Said first solenoid valve 31 is installed on the outer surface of the said second valve piece 15 with said second solenoid valve 32; Said first hydrovalve 21 is integrated in the said second valve piece 15 with said second hydrovalve 22, and said oil pipe 4 is positioned at outside the said cylinder sleeve 11, and the said first valve piece 14 is communicated with said first hydrovalve 21 through said oil pipe 4.
Preferably, said the 3rd hydrovalve 23 also can be arranged on the said cylinder sleeve 11 along said cylinder sleeve 11 length directions with said the 4th hydrovalve 24 at interval.Can realize the purpose that is communicated with said first portion 16 and said second portion 17 equally, thereby realize function of the present invention.
Preferably, said controllable damping damping hydraulic control system 104 also comprises the 5th hydrovalve 25, and said first hydrovalve 21 is communicated with said second solenoid valve 32 through said the 5th hydrovalve 25 respectively with said second hydrovalve 22.In specific embodiment of the present invention, said the 5th hydrovalve 25 is integrated in the said second valve piece 15.
In specific embodiment of the present invention; Said controllable damping damping hydraulic control system 104 also comprises pressure transducer 5, electric controller 3, display unit and warning device; Said pressure transducer 5 is communicated with said first hydrovalve 21 and said second hydrovalve 22 respectively, and said pressure transducer 5 is electrically connected said display unit and said warning device respectively through said electric controller 3.
Preferably, said controllable damping damping hydraulic control system 104 also comprises shell 18, and said shell 18 is socketed in said cylinder sleeve 11 outsides, and said fuel reserve tank 2 is installed between said cylinder sleeve 11 and the said shell 18.
More preferably, said first solenoid valve 31 is installed on the outer surface of said shell 18 with said second solenoid valve 32, and said first hydrovalve 21, said second hydrovalve 22 and said the 3rd hydrovalve 23 all are integrated on the outer surface of described shell 18.
In specific embodiment of the present invention; Said controllable damping damping hydraulic control system 104 also comprises the first valve piece joint shaft bearing, clutch shaft bearing fitting seat, the second valve piece joint shaft bearing and the second Bearing Installation seat; The said first valve piece 14 has clutch shaft bearing hole 19; The said first valve piece joint shaft bearing is arranged in said clutch shaft bearing fitting seat and wears said clutch shaft bearing hole 19; The other end of described piston rod 13 has second bearing hole 20, and the said second valve piece joint shaft bearing is arranged in the said second Bearing Installation seat and wears said second bearing hole 20.
When the other end of piston rod 13 receives from the second valve piece 15 during to the thrust of the first valve piece 14; To promote piston 12 moves to the first valve piece 14 from the second valve piece 15; This moment, the 3rd hydrovalve 23 cut out, and the 4th hydrovalve 24 is opened, and hydraulic oil gets into the oil pocket near the second valve piece 15 (being second portion 17) of oil hydraulic cylinder 1 through the 4th hydrovalve 24 from fuel reserve tank 2; Oil hydraulic cylinder 1 is stressed near the hydraulic oil in the oil pocket (being first portion 16) of the first valve piece 14 and gets into elbow 42 through the oil pipe 4 entering second valve piece 15 internal oil passages from oil outlet 41 simultaneously; Hydraulic oil in first hydrovalve, 21 stressed the opening, right compression conduit produces pressure, and hydraulic oil is passed to pressure transducer 5 with pressure; Pressure transducer 5 is transferred to electric controller 3 with pressure signal; This moment, the 5th hydrovalve 25 was in closed condition, and hydraulic oil must be regulated through first solenoid valve 31 and get back to fuel reserve tank 2 through second solenoid valve 32 then, thereby realizes the function of controllable damping damping fluid pressing system.
Otherwise, during to the tension of the second valve piece, 15 directions, will promote piston 12 and move to the second valve piece 15 by the first valve piece 14 when piston rod 13 receives from the first valve piece 14; This moment, the 4th hydrovalve 24 cut out; The 3rd hydrovalve 23 is opened, and hydraulic oil gets in the oil pocket (being first portion 16) of oil hydraulic cylinder 1 near the first valve piece 14 through the 3rd hydrovalve 23 from fuel reserve tank 2, and oil hydraulic cylinder 1 is stressed near the hydraulic oil in the oil pocket (being second portion 17) of the second valve piece 15 and gets into the oil circuit in the second valve piece 15 from oil outlet 43 simultaneously; Second hydrovalve, 22 stressed opening; Hydraulic oil gets into pipeline and produces pressure, passes to pressure transducer 5, and pressure transducer 5 is transferred to electric controller 3 with pressure signal; This moment, the 5th hydrovalve 25 cut out; Hydraulic oil must be regulated through first solenoid valve 31, gets back to fuel reserve tank 2 through second solenoid valve 32 then, thereby realizes the function of controllable damping damping fluid pressing system.
The 5th hydrovalve 25 is hydrovalves that utilize spring force to control; Effect mainly is under first solenoid valve 31 lost efficacy situation about can't work; Whole oil circuit is played a protective role; Oil can be from first solenoid valve, 31 processes, but through the 5th hydrovalve 25 (when pressure greater than after to a certain degree), thereby be unlikely to that whole system is stuck can't move.
The effect of pressure transducer 5 also is used for carrying out overload protection; It constantly surveys the pressure size of hydraulic mechanism; When pressure can proper functioning within the specific limits the time; When greater than some critical values or less than some critical values, can on display unit (like CE/operator panel), show and report to the police, thereby remind operator's system failure through warning device.
The present invention can extensive use on all kinds of large vehicles; Existing is that instance is set forth mounting type with rear-mounted large-sized articulated coach; The present invention is installed on the chassis articulated system of this type of passenger vehicle; About a controllable damping damping hydraulic control system 104 of the present invention respectively is installed; The first valve piece 14 and the second valve piece 15 are installed on back kickstand 101 and the side arm 102 through the clutch shaft bearing fitting seat and the second Bearing Installation seat respectively, and its behaviour in service is seen Fig. 5, and electric controller of the present invention is connection angle sensor 103 also; This device provides stable damping according to the resistance that travelling speed produces in the vehicle straight-line travelling; The stability that keeps vehicle driving, in turn inside diameter about controllable damping damping hydraulic control system 104 signal that will provide according to the pressure transducer 5 of angle transducer 103 and damping shock absorption device adjust the both sides damping value in good time, to guarantee the stability of vehicle driving.
To sum up; Ingenious, the simple for structure compactness of controllable damping damping hydraulic control system design of the present invention, low, the cost of production reduction, easy to maintenance of manufacturing difficulty realize the damping step-less adjustment, are not prone to locking phenomenon; Good damping effect, stable is suitable for large-scale promotion application.
In this specification, the present invention is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (9)
1. controllable damping damping hydraulic control system; Comprise oil hydraulic cylinder and fuel reserve tank; Said oil hydraulic cylinder comprises cylinder sleeve, piston and piston rod, and said piston slidably is arranged in the said cylinder sleeve, and said piston rod one end connects said piston; It is characterized in that; Said controllable damping damping hydraulic control system also comprises first hydrovalve, second hydrovalve, the 3rd hydrovalve, the 4th hydrovalve, first solenoid valve and second solenoid valve, and said oil hydraulic cylinder also comprises the first valve piece and the second valve piece, and said first valve piece and the said second valve piece are installed in the said cylinder sleeve of sealed at both ends of said cylinder sleeve; The said piston rod the other end passes the said second valve piece; Said cylinder sleeve is divided into first portion and second portion along its length, and the said first valve piece connects said first portion, and the said second valve piece connects said second portion; Said first portion and said second portion are communicated with said first hydrovalve and said second hydrovalve respectively through said first valve piece and the said second valve piece respectively; Said first hydrovalve and said second hydrovalve are communicated with said first solenoid valve, and said first solenoid valve is communicated with said fuel reserve tank through said second solenoid valve, and said fuel reserve tank is communicated with said first portion and said second portion respectively through said the 3rd hydrovalve and said the 4th hydrovalve respectively; Said controllable damping damping hydraulic control system also comprises the 5th hydrovalve, and said first hydrovalve and said second hydrovalve are communicated with said second solenoid valve through said the 5th hydrovalve respectively.
2. controllable damping damping hydraulic control system according to claim 1 is characterized in that, said the 3rd hydrovalve is integrated in the said first valve piece, and said the 4th hydrovalve is integrated in the said second valve piece.
3. controllable damping damping hydraulic control system according to claim 2; It is characterized in that; Said controllable damping damping hydraulic control system also comprises oil pipe, and said first solenoid valve and said second solenoid valve are installed on the outer surface of the said second valve piece, and said first hydrovalve and said second hydrovalve are integrated in the said second valve piece; Said oil pipe is positioned at outside the said cylinder sleeve, and the said first valve piece is communicated with said first hydrovalve through said oil pipe.
4. controllable damping damping hydraulic control system according to claim 1 is characterized in that, said the 3rd hydrovalve and said the 4th hydrovalve are arranged on the said cylinder sleeve along said cylinder sleeve length direction at interval.
5. controllable damping damping hydraulic control system according to claim 1 is characterized in that, said the 5th hydrovalve is integrated in the said second valve piece.
6. controllable damping damping hydraulic control system according to claim 1; It is characterized in that; Said controllable damping damping hydraulic control system also comprises pressure transducer, electric controller, display unit and warning device; Said pressure transducer is communicated with said first hydrovalve and said second hydrovalve respectively, and said pressure transducer is electrically connected said display unit and said warning device respectively through said electric controller.
7. controllable damping damping hydraulic control system according to claim 1; It is characterized in that; Said controllable damping damping hydraulic control system also comprises shell, and it is outside that said shell is socketed in said cylinder sleeve, and said fuel reserve tank is installed between said cylinder sleeve and the said shell.
8. controllable damping damping hydraulic control system according to claim 7; It is characterized in that; Said first solenoid valve and said second solenoid valve are installed on the outer surface of said shell, and said first hydrovalve, said second hydrovalve and said the 3rd hydrovalve all are integrated on the outer surface of described shell.
9. controllable damping damping hydraulic control system according to claim 1; It is characterized in that; Said controllable damping damping hydraulic control system also comprises the first valve piece joint shaft bearing, clutch shaft bearing fitting seat, the second valve piece joint shaft bearing and the second Bearing Installation seat; The said first valve piece has the clutch shaft bearing hole; The said first valve piece joint shaft bearing is arranged in said clutch shaft bearing fitting seat and wears said clutch shaft bearing hole, and the other end of described piston rod has second bearing hole, and the said second valve piece joint shaft bearing is arranged in the said second Bearing Installation seat and wears said second bearing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910196796 CN102032307B (en) | 2009-09-29 | 2009-09-29 | Controllable damp shock absorption hydraulic control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910196796 CN102032307B (en) | 2009-09-29 | 2009-09-29 | Controllable damp shock absorption hydraulic control system |
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| CN102032307A CN102032307A (en) | 2011-04-27 |
| CN102032307B true CN102032307B (en) | 2012-11-28 |
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| CN 200910196796 Active CN102032307B (en) | 2009-09-29 | 2009-09-29 | Controllable damp shock absorption hydraulic control system |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364152B (en) * | 2011-11-22 | 2013-03-13 | 广东机电职业技术学院 | External electromagnetic throttling valve type double-air-chamber adjustable damp shock absorber |
| CN102588496A (en) * | 2012-03-20 | 2012-07-18 | 伊卡路斯(苏州)车辆系统有限公司 | Safe locking hydraulic buffer system |
| HUE026141T2 (en) * | 2012-11-30 | 2016-05-30 | Huebner Gmbh & Co Kg | Articulated vehicle with a joint between the vehicle sections |
| CN110762269B (en) * | 2019-12-16 | 2021-08-20 | 陕西工业职业技术学院 | Mechanical hydraulic valve convenient to clean and disassemble |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4170279A (en) * | 1976-04-30 | 1979-10-09 | Societe Anonyme Potain Pioclain Materiel (P.P.M.) | Fluid flow control devices |
| CN1699781A (en) * | 2005-06-24 | 2005-11-23 | 浙江大学 | Vehicle hydraulic damper with actively adjustable damping for semiactive suspension |
| CN201002520Y (en) * | 2006-11-09 | 2008-01-09 | 宋杨 | Hydraulic energy-feeding type vibration damping suspension for vehicle |
| CN201502655U (en) * | 2009-09-29 | 2010-06-09 | 伊卡露斯(苏州)车辆系统有限公司 | Controllable damping hydraulic control system |
-
2009
- 2009-09-29 CN CN 200910196796 patent/CN102032307B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4170279A (en) * | 1976-04-30 | 1979-10-09 | Societe Anonyme Potain Pioclain Materiel (P.P.M.) | Fluid flow control devices |
| CN1699781A (en) * | 2005-06-24 | 2005-11-23 | 浙江大学 | Vehicle hydraulic damper with actively adjustable damping for semiactive suspension |
| CN201002520Y (en) * | 2006-11-09 | 2008-01-09 | 宋杨 | Hydraulic energy-feeding type vibration damping suspension for vehicle |
| CN201502655U (en) * | 2009-09-29 | 2010-06-09 | 伊卡露斯(苏州)车辆系统有限公司 | Controllable damping hydraulic control system |
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